Problem: Clipboard code is spread out.
Solution: Move clipboard code to its own file. (Yegappan Lakshmanan,
closes #5827)
src/channel.c \
src/charset.c \
src/cindent.c \
+ src/clipboard.c \
src/cmdexpand.c \
src/cmdhist.c \
src/crypt.c \
src/proto/channel.pro \
src/proto/charset.pro \
src/proto/cindent.pro \
+ src/proto/clipboard.pro \
src/proto/cmdexpand.pro \
src/proto/cmdhist.pro \
src/proto/crypt.pro \
$(OUTDIR)/change.o \
$(OUTDIR)/charset.o \
$(OUTDIR)/cindent.o \
+ $(OUTDIR)/clipboard.o \
$(OUTDIR)/cmdexpand.o \
$(OUTDIR)/cmdhist.o \
$(OUTDIR)/crypt.o \
change.c \
charset.c \
cindent.c \
+ clipboard.c \
cmdexpand.c \
cmdhist.c \
crypt.c \
$(OUTDIR)\change.obj \
$(OUTDIR)\charset.obj \
$(OUTDIR)\cindent.obj \
+ $(OUTDIR)\clipboard.obj \
$(OUTDIR)\cmdexpand.obj \
$(OUTDIR)\cmdhist.obj \
$(OUTDIR)\crypt.obj \
$(OUTDIR)/cindent.obj: $(OUTDIR) cindent.c $(INCL)
+$(OUTDIR)/clipboard.obj: $(OUTDIR) clipboard.c $(INCL)
+
$(OUTDIR)/cmdexpand.obj: $(OUTDIR) cmdexpand.c $(INCL)
$(OUTDIR)/cmdhist.obj: $(OUTDIR) cmdhist.c $(INCL)
proto/change.pro \
proto/charset.pro \
proto/cindent.pro \
+ proto/clipboard.pro \
proto/cmdexpand.pro \
proto/cmdhist.pro \
proto/crypt.pro \
change.c \
charset.c \
cindent.c \
+ clipboard.c \
cmdexpand.c \
cmdhist.c \
crypt.c \
change.obj \
charset.obj \
cindent.obj \
+ clipboard.obj \
cmdexpand.obj \
cmdhist.obj \
crypt.obj \
ascii.h keymap.h term.h macros.h structs.h regexp.h \
gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \
globals.h
+clipboard.obj : clipboard.c vim.h [.auto]config.h feature.h os_unix.h \
+ ascii.h keymap.h term.h macros.h structs.h regexp.h \
+ gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \
+ globals.h
cmdexpand.obj : cmdexpand.c vim.h [.auto]config.h feature.h os_unix.h \
ascii.h keymap.h term.h macros.h structs.h regexp.h \
gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \
change.c \
charset.c \
cindent.c \
+ clipboard.c \
cmdexpand.c \
cmdhist.c \
crypt.c \
objects/blob.o \
objects/blowfish.o \
objects/cindent.o \
+ objects/clipboard.o \
objects/cmdexpand.o \
objects/cmdhist.o \
objects/crypt.o \
channel.pro \
charset.pro \
cindent.pro \
+ clipboard.pro \
cmdexpand.pro \
cmdhist.pro \
crypt.pro \
objects/cindent.o: cindent.c
$(CCC) -o $@ cindent.c
+objects/clipboard.o: clipboard.c
+ $(CCC) -o $@ clipboard.c
+
objects/cmdexpand.o: cmdexpand.c
$(CCC) -o $@ cmdexpand.c
auto/osdef.h ascii.h keymap.h term.h macros.h option.h beval.h \
proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \
proto.h globals.h
+objects/clipboard.o: clipboard.c vim.h protodef.h auto/config.h feature.h os_unix.h \
+ auto/osdef.h ascii.h keymap.h term.h macros.h option.h beval.h \
+ proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \
+ proto.h globals.h
objects/cmdexpand.o: cmdexpand.c vim.h protodef.h auto/config.h feature.h \
os_unix.h auto/osdef.h ascii.h keymap.h term.h macros.h option.h beval.h \
proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \
bufwrite.c | writing a buffer to file
change.c | handling changes to text
cindent.c | C and Lisp indentation
+clipboard.c | handling the clipboard
cmdexpand.c | command-line completion
cmdhist.c | command-line history
debugger.c | vim script debugger
--- /dev/null
+/* vi:set ts=8 sts=4 sw=4 noet:
+ *
+ * VIM - Vi IMproved by Bram Moolenaar
+ *
+ * Do ":help uganda" in Vim to read copying and usage conditions.
+ * Do ":help credits" in Vim to see a list of people who contributed.
+ * See README.txt for an overview of the Vim source code.
+ */
+
+/*
+ * clipboard.c: Functions to handle the clipboard
+ */
+
+#include "vim.h"
+
+#ifdef FEAT_CYGWIN_WIN32_CLIPBOARD
+# define WIN32_LEAN_AND_MEAN
+# include <windows.h>
+# include "winclip.pro"
+#endif
+
+// Functions for copying and pasting text between applications.
+// This is always included in a GUI version, but may also be included when the
+// clipboard and mouse is available to a terminal version such as xterm.
+// Note: there are some more functions in ops.c that handle selection stuff.
+//
+// Also note that the majority of functions here deal with the X 'primary'
+// (visible - for Visual mode use) selection, and only that. There are no
+// versions of these for the 'clipboard' selection, as Visual mode has no use
+// for them.
+
+#if defined(FEAT_CLIPBOARD) || defined(PROTO)
+
+/*
+ * Selection stuff using Visual mode, for cutting and pasting text to other
+ * windows.
+ */
+
+/*
+ * Call this to initialise the clipboard. Pass it FALSE if the clipboard code
+ * is included, but the clipboard can not be used, or TRUE if the clipboard can
+ * be used. Eg unix may call this with FALSE, then call it again with TRUE if
+ * the GUI starts.
+ */
+ void
+clip_init(int can_use)
+{
+ Clipboard_T *cb;
+
+ cb = &clip_star;
+ for (;;)
+ {
+ cb->available = can_use;
+ cb->owned = FALSE;
+ cb->start.lnum = 0;
+ cb->start.col = 0;
+ cb->end.lnum = 0;
+ cb->end.col = 0;
+ cb->state = SELECT_CLEARED;
+
+ if (cb == &clip_plus)
+ break;
+ cb = &clip_plus;
+ }
+}
+
+/*
+ * Check whether the VIsual area has changed, and if so try to become the owner
+ * of the selection, and free any old converted selection we may still have
+ * lying around. If the VIsual mode has ended, make a copy of what was
+ * selected so we can still give it to others. Will probably have to make sure
+ * this is called whenever VIsual mode is ended.
+ */
+ void
+clip_update_selection(Clipboard_T *clip)
+{
+ pos_T start, end;
+
+ // If visual mode is only due to a redo command ("."), then ignore it
+ if (!redo_VIsual_busy && VIsual_active && (State & NORMAL))
+ {
+ if (LT_POS(VIsual, curwin->w_cursor))
+ {
+ start = VIsual;
+ end = curwin->w_cursor;
+ if (has_mbyte)
+ end.col += (*mb_ptr2len)(ml_get_cursor()) - 1;
+ }
+ else
+ {
+ start = curwin->w_cursor;
+ end = VIsual;
+ }
+ if (!EQUAL_POS(clip->start, start)
+ || !EQUAL_POS(clip->end, end)
+ || clip->vmode != VIsual_mode)
+ {
+ clip_clear_selection(clip);
+ clip->start = start;
+ clip->end = end;
+ clip->vmode = VIsual_mode;
+ clip_free_selection(clip);
+ clip_own_selection(clip);
+ clip_gen_set_selection(clip);
+ }
+ }
+}
+
+ static int
+clip_gen_own_selection(Clipboard_T *cbd)
+{
+#ifdef FEAT_XCLIPBOARD
+# ifdef FEAT_GUI
+ if (gui.in_use)
+ return clip_mch_own_selection(cbd);
+ else
+# endif
+ return clip_xterm_own_selection(cbd);
+#else
+ return clip_mch_own_selection(cbd);
+#endif
+}
+
+ void
+clip_own_selection(Clipboard_T *cbd)
+{
+ /*
+ * Also want to check somehow that we are reading from the keyboard rather
+ * than a mapping etc.
+ */
+#ifdef FEAT_X11
+ // Always own the selection, we might have lost it without being
+ // notified, e.g. during a ":sh" command.
+ if (cbd->available)
+ {
+ int was_owned = cbd->owned;
+
+ cbd->owned = (clip_gen_own_selection(cbd) == OK);
+ if (!was_owned && (cbd == &clip_star || cbd == &clip_plus))
+ {
+ // May have to show a different kind of highlighting for the
+ // selected area. There is no specific redraw command for this,
+ // just redraw all windows on the current buffer.
+ if (cbd->owned
+ && (get_real_state() == VISUAL
+ || get_real_state() == SELECTMODE)
+ && (cbd == &clip_star ? clip_isautosel_star()
+ : clip_isautosel_plus())
+ && HL_ATTR(HLF_V) != HL_ATTR(HLF_VNC))
+ redraw_curbuf_later(INVERTED_ALL);
+ }
+ }
+#else
+ // Only own the clipboard when we didn't own it yet.
+ if (!cbd->owned && cbd->available)
+ cbd->owned = (clip_gen_own_selection(cbd) == OK);
+#endif
+}
+
+ static void
+clip_gen_lose_selection(Clipboard_T *cbd)
+{
+#ifdef FEAT_XCLIPBOARD
+# ifdef FEAT_GUI
+ if (gui.in_use)
+ clip_mch_lose_selection(cbd);
+ else
+# endif
+ clip_xterm_lose_selection(cbd);
+#else
+ clip_mch_lose_selection(cbd);
+#endif
+}
+
+ void
+clip_lose_selection(Clipboard_T *cbd)
+{
+#ifdef FEAT_X11
+ int was_owned = cbd->owned;
+#endif
+ int visual_selection = FALSE;
+
+ if (cbd == &clip_star || cbd == &clip_plus)
+ visual_selection = TRUE;
+
+ clip_free_selection(cbd);
+ cbd->owned = FALSE;
+ if (visual_selection)
+ clip_clear_selection(cbd);
+ clip_gen_lose_selection(cbd);
+#ifdef FEAT_X11
+ if (visual_selection)
+ {
+ // May have to show a different kind of highlighting for the selected
+ // area. There is no specific redraw command for this, just redraw all
+ // windows on the current buffer.
+ if (was_owned
+ && (get_real_state() == VISUAL
+ || get_real_state() == SELECTMODE)
+ && (cbd == &clip_star ?
+ clip_isautosel_star() : clip_isautosel_plus())
+ && HL_ATTR(HLF_V) != HL_ATTR(HLF_VNC))
+ {
+ update_curbuf(INVERTED_ALL);
+ setcursor();
+ cursor_on();
+ out_flush_cursor(TRUE, FALSE);
+ }
+ }
+#endif
+}
+
+ static void
+clip_copy_selection(Clipboard_T *clip)
+{
+ if (VIsual_active && (State & NORMAL) && clip->available)
+ {
+ clip_update_selection(clip);
+ clip_free_selection(clip);
+ clip_own_selection(clip);
+ if (clip->owned)
+ clip_get_selection(clip);
+ clip_gen_set_selection(clip);
+ }
+}
+
+/*
+ * Save and restore clip_unnamed before doing possibly many changes. This
+ * prevents accessing the clipboard very often which might slow down Vim
+ * considerably.
+ */
+static int global_change_count = 0; // if set, inside a start_global_changes
+static int clipboard_needs_update = FALSE; // clipboard needs to be updated
+static int clip_did_set_selection = TRUE;
+
+/*
+ * Save clip_unnamed and reset it.
+ */
+ void
+start_global_changes(void)
+{
+ if (++global_change_count > 1)
+ return;
+ clip_unnamed_saved = clip_unnamed;
+ clipboard_needs_update = FALSE;
+
+ if (clip_did_set_selection)
+ {
+ clip_unnamed = 0;
+ clip_did_set_selection = FALSE;
+ }
+}
+
+/*
+ * Return TRUE if setting the clipboard was postponed, it already contains the
+ * right text.
+ */
+ static int
+is_clipboard_needs_update()
+{
+ return clipboard_needs_update;
+}
+
+/*
+ * Restore clip_unnamed and set the selection when needed.
+ */
+ void
+end_global_changes(void)
+{
+ if (--global_change_count > 0)
+ // recursive
+ return;
+ if (!clip_did_set_selection)
+ {
+ clip_did_set_selection = TRUE;
+ clip_unnamed = clip_unnamed_saved;
+ clip_unnamed_saved = 0;
+ if (clipboard_needs_update)
+ {
+ // only store something in the clipboard,
+ // if we have yanked anything to it
+ if (clip_unnamed & CLIP_UNNAMED)
+ {
+ clip_own_selection(&clip_star);
+ clip_gen_set_selection(&clip_star);
+ }
+ if (clip_unnamed & CLIP_UNNAMED_PLUS)
+ {
+ clip_own_selection(&clip_plus);
+ clip_gen_set_selection(&clip_plus);
+ }
+ }
+ }
+ clipboard_needs_update = FALSE;
+}
+
+/*
+ * Called when Visual mode is ended: update the selection.
+ */
+ void
+clip_auto_select(void)
+{
+ if (clip_isautosel_star())
+ clip_copy_selection(&clip_star);
+ if (clip_isautosel_plus())
+ clip_copy_selection(&clip_plus);
+}
+
+/*
+ * Return TRUE if automatic selection of Visual area is desired for the *
+ * register.
+ */
+ int
+clip_isautosel_star(void)
+{
+ return (
+#ifdef FEAT_GUI
+ gui.in_use ? (vim_strchr(p_go, GO_ASEL) != NULL) :
+#endif
+ clip_autoselect_star);
+}
+
+/*
+ * Return TRUE if automatic selection of Visual area is desired for the +
+ * register.
+ */
+ int
+clip_isautosel_plus(void)
+{
+ return (
+#ifdef FEAT_GUI
+ gui.in_use ? (vim_strchr(p_go, GO_ASELPLUS) != NULL) :
+#endif
+ clip_autoselect_plus);
+}
+
+
+/*
+ * Stuff for general mouse selection, without using Visual mode.
+ */
+
+/*
+ * Compare two screen positions ala strcmp()
+ */
+ static int
+clip_compare_pos(
+ int row1,
+ int col1,
+ int row2,
+ int col2)
+{
+ if (row1 > row2) return(1);
+ if (row1 < row2) return(-1);
+ if (col1 > col2) return(1);
+ if (col1 < col2) return(-1);
+ return(0);
+}
+
+// "how" flags for clip_invert_area()
+#define CLIP_CLEAR 1
+#define CLIP_SET 2
+#define CLIP_TOGGLE 3
+
+/*
+ * Invert or un-invert a rectangle of the screen.
+ * "invert" is true if the result is inverted.
+ */
+ static void
+clip_invert_rectangle(
+ Clipboard_T *cbd UNUSED,
+ int row_arg,
+ int col_arg,
+ int height_arg,
+ int width_arg,
+ int invert)
+{
+ int row = row_arg;
+ int col = col_arg;
+ int height = height_arg;
+ int width = width_arg;
+
+#ifdef FEAT_PROP_POPUP
+ // this goes on top of all popup windows
+ screen_zindex = CLIP_ZINDEX;
+
+ if (col < cbd->min_col)
+ {
+ width -= cbd->min_col - col;
+ col = cbd->min_col;
+ }
+ if (width > cbd->max_col - col)
+ width = cbd->max_col - col;
+ if (row < cbd->min_row)
+ {
+ height -= cbd->min_row - row;
+ row = cbd->min_row;
+ }
+ if (height > cbd->max_row - row + 1)
+ height = cbd->max_row - row + 1;
+#endif
+#ifdef FEAT_GUI
+ if (gui.in_use)
+ gui_mch_invert_rectangle(row, col, height, width);
+ else
+#endif
+ screen_draw_rectangle(row, col, height, width, invert);
+#ifdef FEAT_PROP_POPUP
+ screen_zindex = 0;
+#endif
+}
+
+/*
+ * Invert a region of the display between a starting and ending row and column
+ * Values for "how":
+ * CLIP_CLEAR: undo inversion
+ * CLIP_SET: set inversion
+ * CLIP_TOGGLE: set inversion if pos1 < pos2, undo inversion otherwise.
+ * 0: invert (GUI only).
+ */
+ static void
+clip_invert_area(
+ Clipboard_T *cbd,
+ int row1,
+ int col1,
+ int row2,
+ int col2,
+ int how)
+{
+ int invert = FALSE;
+ int max_col;
+
+#ifdef FEAT_PROP_POPUP
+ max_col = cbd->max_col - 1;
+#else
+ max_col = Columns - 1;
+#endif
+
+ if (how == CLIP_SET)
+ invert = TRUE;
+
+ // Swap the from and to positions so the from is always before
+ if (clip_compare_pos(row1, col1, row2, col2) > 0)
+ {
+ int tmp_row, tmp_col;
+
+ tmp_row = row1;
+ tmp_col = col1;
+ row1 = row2;
+ col1 = col2;
+ row2 = tmp_row;
+ col2 = tmp_col;
+ }
+ else if (how == CLIP_TOGGLE)
+ invert = TRUE;
+
+ // If all on the same line, do it the easy way
+ if (row1 == row2)
+ {
+ clip_invert_rectangle(cbd, row1, col1, 1, col2 - col1, invert);
+ }
+ else
+ {
+ // Handle a piece of the first line
+ if (col1 > 0)
+ {
+ clip_invert_rectangle(cbd, row1, col1, 1,
+ (int)Columns - col1, invert);
+ row1++;
+ }
+
+ // Handle a piece of the last line
+ if (col2 < max_col)
+ {
+ clip_invert_rectangle(cbd, row2, 0, 1, col2, invert);
+ row2--;
+ }
+
+ // Handle the rectangle that's left
+ if (row2 >= row1)
+ clip_invert_rectangle(cbd, row1, 0, row2 - row1 + 1,
+ (int)Columns, invert);
+ }
+}
+
+/*
+ * Start, continue or end a modeless selection. Used when editing the
+ * command-line, in the cmdline window and when the mouse is in a popup window.
+ */
+ void
+clip_modeless(int button, int is_click, int is_drag)
+{
+ int repeat;
+
+ repeat = ((clip_star.mode == SELECT_MODE_CHAR
+ || clip_star.mode == SELECT_MODE_LINE)
+ && (mod_mask & MOD_MASK_2CLICK))
+ || (clip_star.mode == SELECT_MODE_WORD
+ && (mod_mask & MOD_MASK_3CLICK));
+ if (is_click && button == MOUSE_RIGHT)
+ {
+ // Right mouse button: If there was no selection, start one.
+ // Otherwise extend the existing selection.
+ if (clip_star.state == SELECT_CLEARED)
+ clip_start_selection(mouse_col, mouse_row, FALSE);
+ clip_process_selection(button, mouse_col, mouse_row, repeat);
+ }
+ else if (is_click)
+ clip_start_selection(mouse_col, mouse_row, repeat);
+ else if (is_drag)
+ {
+ // Don't try extending a selection if there isn't one. Happens when
+ // button-down is in the cmdline and them moving mouse upwards.
+ if (clip_star.state != SELECT_CLEARED)
+ clip_process_selection(button, mouse_col, mouse_row, repeat);
+ }
+ else // release
+ clip_process_selection(MOUSE_RELEASE, mouse_col, mouse_row, FALSE);
+}
+
+/*
+ * Update the currently selected region by adding and/or subtracting from the
+ * beginning or end and inverting the changed area(s).
+ */
+ static void
+clip_update_modeless_selection(
+ Clipboard_T *cb,
+ int row1,
+ int col1,
+ int row2,
+ int col2)
+{
+ // See if we changed at the beginning of the selection
+ if (row1 != cb->start.lnum || col1 != (int)cb->start.col)
+ {
+ clip_invert_area(cb, row1, col1, (int)cb->start.lnum, cb->start.col,
+ CLIP_TOGGLE);
+ cb->start.lnum = row1;
+ cb->start.col = col1;
+ }
+
+ // See if we changed at the end of the selection
+ if (row2 != cb->end.lnum || col2 != (int)cb->end.col)
+ {
+ clip_invert_area(cb, (int)cb->end.lnum, cb->end.col, row2, col2,
+ CLIP_TOGGLE);
+ cb->end.lnum = row2;
+ cb->end.col = col2;
+ }
+}
+
+/*
+ * Find the starting and ending positions of the word at the given row and
+ * column. Only white-separated words are recognized here.
+ */
+#define CHAR_CLASS(c) (c <= ' ' ? ' ' : vim_iswordc(c))
+
+ static void
+clip_get_word_boundaries(Clipboard_T *cb, int row, int col)
+{
+ int start_class;
+ int temp_col;
+ char_u *p;
+ int mboff;
+
+ if (row >= screen_Rows || col >= screen_Columns || ScreenLines == NULL)
+ return;
+
+ p = ScreenLines + LineOffset[row];
+ // Correct for starting in the right halve of a double-wide char
+ if (enc_dbcs != 0)
+ col -= dbcs_screen_head_off(p, p + col);
+ else if (enc_utf8 && p[col] == 0)
+ --col;
+ start_class = CHAR_CLASS(p[col]);
+
+ temp_col = col;
+ for ( ; temp_col > 0; temp_col--)
+ if (enc_dbcs != 0
+ && (mboff = dbcs_screen_head_off(p, p + temp_col - 1)) > 0)
+ temp_col -= mboff;
+ else if (CHAR_CLASS(p[temp_col - 1]) != start_class
+ && !(enc_utf8 && p[temp_col - 1] == 0))
+ break;
+ cb->word_start_col = temp_col;
+
+ temp_col = col;
+ for ( ; temp_col < screen_Columns; temp_col++)
+ if (enc_dbcs != 0 && dbcs_ptr2cells(p + temp_col) == 2)
+ ++temp_col;
+ else if (CHAR_CLASS(p[temp_col]) != start_class
+ && !(enc_utf8 && p[temp_col] == 0))
+ break;
+ cb->word_end_col = temp_col;
+}
+
+/*
+ * Find the column position for the last non-whitespace character on the given
+ * line at or before start_col.
+ */
+ static int
+clip_get_line_end(Clipboard_T *cbd UNUSED, int row)
+{
+ int i;
+
+ if (row >= screen_Rows || ScreenLines == NULL)
+ return 0;
+ for (i =
+#ifdef FEAT_PROP_POPUP
+ cbd->max_col;
+#else
+ screen_Columns;
+#endif
+ i > 0; i--)
+ if (ScreenLines[LineOffset[row] + i - 1] != ' ')
+ break;
+ return i;
+}
+
+/*
+ * Start the selection
+ */
+ void
+clip_start_selection(int col, int row, int repeated_click)
+{
+ Clipboard_T *cb = &clip_star;
+#ifdef FEAT_PROP_POPUP
+ win_T *wp;
+ int row_cp = row;
+ int col_cp = col;
+
+ wp = mouse_find_win(&row_cp, &col_cp, FIND_POPUP);
+ if (wp != NULL && WIN_IS_POPUP(wp)
+ && popup_is_in_scrollbar(wp, row_cp, col_cp))
+ // click or double click in scrollbar does not start a selection
+ return;
+#endif
+
+ if (cb->state == SELECT_DONE)
+ clip_clear_selection(cb);
+
+ row = check_row(row);
+ col = check_col(col);
+ col = mb_fix_col(col, row);
+
+ cb->start.lnum = row;
+ cb->start.col = col;
+ cb->end = cb->start;
+ cb->origin_row = (short_u)cb->start.lnum;
+ cb->state = SELECT_IN_PROGRESS;
+#ifdef FEAT_PROP_POPUP
+ if (wp != NULL && WIN_IS_POPUP(wp))
+ {
+ // Click in a popup window restricts selection to that window,
+ // excluding the border.
+ cb->min_col = wp->w_wincol + wp->w_popup_border[3];
+ cb->max_col = wp->w_wincol + popup_width(wp)
+ - wp->w_popup_border[1] - wp->w_has_scrollbar;
+ if (cb->max_col > screen_Columns)
+ cb->max_col = screen_Columns;
+ cb->min_row = wp->w_winrow + wp->w_popup_border[0];
+ cb->max_row = wp->w_winrow + popup_height(wp) - 1
+ - wp->w_popup_border[2];
+ }
+ else
+ {
+ cb->min_col = 0;
+ cb->max_col = screen_Columns;
+ cb->min_row = 0;
+ cb->max_row = screen_Rows;
+ }
+#endif
+
+ if (repeated_click)
+ {
+ if (++cb->mode > SELECT_MODE_LINE)
+ cb->mode = SELECT_MODE_CHAR;
+ }
+ else
+ cb->mode = SELECT_MODE_CHAR;
+
+#ifdef FEAT_GUI
+ // clear the cursor until the selection is made
+ if (gui.in_use)
+ gui_undraw_cursor();
+#endif
+
+ switch (cb->mode)
+ {
+ case SELECT_MODE_CHAR:
+ cb->origin_start_col = cb->start.col;
+ cb->word_end_col = clip_get_line_end(cb, (int)cb->start.lnum);
+ break;
+
+ case SELECT_MODE_WORD:
+ clip_get_word_boundaries(cb, (int)cb->start.lnum, cb->start.col);
+ cb->origin_start_col = cb->word_start_col;
+ cb->origin_end_col = cb->word_end_col;
+
+ clip_invert_area(cb, (int)cb->start.lnum, cb->word_start_col,
+ (int)cb->end.lnum, cb->word_end_col, CLIP_SET);
+ cb->start.col = cb->word_start_col;
+ cb->end.col = cb->word_end_col;
+ break;
+
+ case SELECT_MODE_LINE:
+ clip_invert_area(cb, (int)cb->start.lnum, 0, (int)cb->start.lnum,
+ (int)Columns, CLIP_SET);
+ cb->start.col = 0;
+ cb->end.col = Columns;
+ break;
+ }
+
+ cb->prev = cb->start;
+
+#ifdef DEBUG_SELECTION
+ printf("Selection started at (%ld,%d)\n", cb->start.lnum, cb->start.col);
+#endif
+}
+
+/*
+ * Continue processing the selection
+ */
+ void
+clip_process_selection(
+ int button,
+ int col,
+ int row,
+ int_u repeated_click)
+{
+ Clipboard_T *cb = &clip_star;
+ int diff;
+ int slen = 1; // cursor shape width
+
+ if (button == MOUSE_RELEASE)
+ {
+ if (cb->state != SELECT_IN_PROGRESS)
+ return;
+
+ // Check to make sure we have something selected
+ if (cb->start.lnum == cb->end.lnum && cb->start.col == cb->end.col)
+ {
+#ifdef FEAT_GUI
+ if (gui.in_use)
+ gui_update_cursor(FALSE, FALSE);
+#endif
+ cb->state = SELECT_CLEARED;
+ return;
+ }
+
+#ifdef DEBUG_SELECTION
+ printf("Selection ended: (%ld,%d) to (%ld,%d)\n", cb->start.lnum,
+ cb->start.col, cb->end.lnum, cb->end.col);
+#endif
+ if (clip_isautosel_star()
+ || (
+#ifdef FEAT_GUI
+ gui.in_use ? (vim_strchr(p_go, GO_ASELML) != NULL) :
+#endif
+ clip_autoselectml))
+ clip_copy_modeless_selection(FALSE);
+#ifdef FEAT_GUI
+ if (gui.in_use)
+ gui_update_cursor(FALSE, FALSE);
+#endif
+
+ cb->state = SELECT_DONE;
+ return;
+ }
+
+ row = check_row(row);
+ col = check_col(col);
+ col = mb_fix_col(col, row);
+
+ if (col == (int)cb->prev.col && row == cb->prev.lnum && !repeated_click)
+ return;
+
+ /*
+ * When extending the selection with the right mouse button, swap the
+ * start and end if the position is before half the selection
+ */
+ if (cb->state == SELECT_DONE && button == MOUSE_RIGHT)
+ {
+ /*
+ * If the click is before the start, or the click is inside the
+ * selection and the start is the closest side, set the origin to the
+ * end of the selection.
+ */
+ if (clip_compare_pos(row, col, (int)cb->start.lnum, cb->start.col) < 0
+ || (clip_compare_pos(row, col,
+ (int)cb->end.lnum, cb->end.col) < 0
+ && (((cb->start.lnum == cb->end.lnum
+ && cb->end.col - col > col - cb->start.col))
+ || ((diff = (cb->end.lnum - row) -
+ (row - cb->start.lnum)) > 0
+ || (diff == 0 && col < (int)(cb->start.col +
+ cb->end.col) / 2)))))
+ {
+ cb->origin_row = (short_u)cb->end.lnum;
+ cb->origin_start_col = cb->end.col - 1;
+ cb->origin_end_col = cb->end.col;
+ }
+ else
+ {
+ cb->origin_row = (short_u)cb->start.lnum;
+ cb->origin_start_col = cb->start.col;
+ cb->origin_end_col = cb->start.col;
+ }
+ if (cb->mode == SELECT_MODE_WORD && !repeated_click)
+ cb->mode = SELECT_MODE_CHAR;
+ }
+
+ // set state, for when using the right mouse button
+ cb->state = SELECT_IN_PROGRESS;
+
+#ifdef DEBUG_SELECTION
+ printf("Selection extending to (%d,%d)\n", row, col);
+#endif
+
+ if (repeated_click && ++cb->mode > SELECT_MODE_LINE)
+ cb->mode = SELECT_MODE_CHAR;
+
+ switch (cb->mode)
+ {
+ case SELECT_MODE_CHAR:
+ // If we're on a different line, find where the line ends
+ if (row != cb->prev.lnum)
+ cb->word_end_col = clip_get_line_end(cb, row);
+
+ // See if we are before or after the origin of the selection
+ if (clip_compare_pos(row, col, cb->origin_row,
+ cb->origin_start_col) >= 0)
+ {
+ if (col >= (int)cb->word_end_col)
+ clip_update_modeless_selection(cb, cb->origin_row,
+ cb->origin_start_col, row, (int)Columns);
+ else
+ {
+ if (has_mbyte && mb_lefthalve(row, col))
+ slen = 2;
+ clip_update_modeless_selection(cb, cb->origin_row,
+ cb->origin_start_col, row, col + slen);
+ }
+ }
+ else
+ {
+ if (has_mbyte
+ && mb_lefthalve(cb->origin_row, cb->origin_start_col))
+ slen = 2;
+ if (col >= (int)cb->word_end_col)
+ clip_update_modeless_selection(cb, row, cb->word_end_col,
+ cb->origin_row, cb->origin_start_col + slen);
+ else
+ clip_update_modeless_selection(cb, row, col,
+ cb->origin_row, cb->origin_start_col + slen);
+ }
+ break;
+
+ case SELECT_MODE_WORD:
+ // If we are still within the same word, do nothing
+ if (row == cb->prev.lnum && col >= (int)cb->word_start_col
+ && col < (int)cb->word_end_col && !repeated_click)
+ return;
+
+ // Get new word boundaries
+ clip_get_word_boundaries(cb, row, col);
+
+ // Handle being after the origin point of selection
+ if (clip_compare_pos(row, col, cb->origin_row,
+ cb->origin_start_col) >= 0)
+ clip_update_modeless_selection(cb, cb->origin_row,
+ cb->origin_start_col, row, cb->word_end_col);
+ else
+ clip_update_modeless_selection(cb, row, cb->word_start_col,
+ cb->origin_row, cb->origin_end_col);
+ break;
+
+ case SELECT_MODE_LINE:
+ if (row == cb->prev.lnum && !repeated_click)
+ return;
+
+ if (clip_compare_pos(row, col, cb->origin_row,
+ cb->origin_start_col) >= 0)
+ clip_update_modeless_selection(cb, cb->origin_row, 0, row,
+ (int)Columns);
+ else
+ clip_update_modeless_selection(cb, row, 0, cb->origin_row,
+ (int)Columns);
+ break;
+ }
+
+ cb->prev.lnum = row;
+ cb->prev.col = col;
+
+#ifdef DEBUG_SELECTION
+ printf("Selection is: (%ld,%d) to (%ld,%d)\n", cb->start.lnum,
+ cb->start.col, cb->end.lnum, cb->end.col);
+#endif
+}
+
+# if defined(FEAT_GUI) || defined(PROTO)
+/*
+ * Redraw part of the selection if character at "row,col" is inside of it.
+ * Only used for the GUI.
+ */
+ void
+clip_may_redraw_selection(int row, int col, int len)
+{
+ int start = col;
+ int end = col + len;
+
+ if (clip_star.state != SELECT_CLEARED
+ && row >= clip_star.start.lnum
+ && row <= clip_star.end.lnum)
+ {
+ if (row == clip_star.start.lnum && start < (int)clip_star.start.col)
+ start = clip_star.start.col;
+ if (row == clip_star.end.lnum && end > (int)clip_star.end.col)
+ end = clip_star.end.col;
+ if (end > start)
+ clip_invert_area(&clip_star, row, start, row, end, 0);
+ }
+}
+# endif
+
+/*
+ * Called from outside to clear selected region from the display
+ */
+ void
+clip_clear_selection(Clipboard_T *cbd)
+{
+
+ if (cbd->state == SELECT_CLEARED)
+ return;
+
+ clip_invert_area(cbd, (int)cbd->start.lnum, cbd->start.col,
+ (int)cbd->end.lnum, cbd->end.col, CLIP_CLEAR);
+ cbd->state = SELECT_CLEARED;
+}
+
+/*
+ * Clear the selection if any lines from "row1" to "row2" are inside of it.
+ */
+ void
+clip_may_clear_selection(int row1, int row2)
+{
+ if (clip_star.state == SELECT_DONE
+ && row2 >= clip_star.start.lnum
+ && row1 <= clip_star.end.lnum)
+ clip_clear_selection(&clip_star);
+}
+
+/*
+ * Called before the screen is scrolled up or down. Adjusts the line numbers
+ * of the selection. Call with big number when clearing the screen.
+ */
+ void
+clip_scroll_selection(
+ int rows) // negative for scroll down
+{
+ int lnum;
+
+ if (clip_star.state == SELECT_CLEARED)
+ return;
+
+ lnum = clip_star.start.lnum - rows;
+ if (lnum <= 0)
+ clip_star.start.lnum = 0;
+ else if (lnum >= screen_Rows) // scrolled off of the screen
+ clip_star.state = SELECT_CLEARED;
+ else
+ clip_star.start.lnum = lnum;
+
+ lnum = clip_star.end.lnum - rows;
+ if (lnum < 0) // scrolled off of the screen
+ clip_star.state = SELECT_CLEARED;
+ else if (lnum >= screen_Rows)
+ clip_star.end.lnum = screen_Rows - 1;
+ else
+ clip_star.end.lnum = lnum;
+}
+
+/*
+ * Copy the currently selected area into the '*' register so it will be
+ * available for pasting.
+ * When "both" is TRUE also copy to the '+' register.
+ */
+ void
+clip_copy_modeless_selection(int both UNUSED)
+{
+ char_u *buffer;
+ char_u *bufp;
+ int row;
+ int start_col;
+ int end_col;
+ int line_end_col;
+ int add_newline_flag = FALSE;
+ int len;
+ char_u *p;
+ int row1 = clip_star.start.lnum;
+ int col1 = clip_star.start.col;
+ int row2 = clip_star.end.lnum;
+ int col2 = clip_star.end.col;
+
+ // Can't use ScreenLines unless initialized
+ if (ScreenLines == NULL)
+ return;
+
+ /*
+ * Make sure row1 <= row2, and if row1 == row2 that col1 <= col2.
+ */
+ if (row1 > row2)
+ {
+ row = row1; row1 = row2; row2 = row;
+ row = col1; col1 = col2; col2 = row;
+ }
+ else if (row1 == row2 && col1 > col2)
+ {
+ row = col1; col1 = col2; col2 = row;
+ }
+#ifdef FEAT_PROP_POPUP
+ if (col1 < clip_star.min_col)
+ col1 = clip_star.min_col;
+ if (col2 > clip_star.max_col)
+ col2 = clip_star.max_col;
+ if (row1 > clip_star.max_row || row2 < clip_star.min_row)
+ return;
+ if (row1 < clip_star.min_row)
+ row1 = clip_star.min_row;
+ if (row2 > clip_star.max_row)
+ row2 = clip_star.max_row;
+#endif
+ // correct starting point for being on right halve of double-wide char
+ p = ScreenLines + LineOffset[row1];
+ if (enc_dbcs != 0)
+ col1 -= (*mb_head_off)(p, p + col1);
+ else if (enc_utf8 && p[col1] == 0)
+ --col1;
+
+ // Create a temporary buffer for storing the text
+ len = (row2 - row1 + 1) * Columns + 1;
+ if (enc_dbcs != 0)
+ len *= 2; // max. 2 bytes per display cell
+ else if (enc_utf8)
+ len *= MB_MAXBYTES;
+ buffer = alloc(len);
+ if (buffer == NULL) // out of memory
+ return;
+
+ // Process each row in the selection
+ for (bufp = buffer, row = row1; row <= row2; row++)
+ {
+ if (row == row1)
+ start_col = col1;
+ else
+#ifdef FEAT_PROP_POPUP
+ start_col = clip_star.min_col;
+#else
+ start_col = 0;
+#endif
+
+ if (row == row2)
+ end_col = col2;
+ else
+#ifdef FEAT_PROP_POPUP
+ end_col = clip_star.max_col;
+#else
+ end_col = Columns;
+#endif
+
+ line_end_col = clip_get_line_end(&clip_star, row);
+
+ // See if we need to nuke some trailing whitespace
+ if (end_col >=
+#ifdef FEAT_PROP_POPUP
+ clip_star.max_col
+#else
+ Columns
+#endif
+ && (row < row2 || end_col > line_end_col))
+ {
+ // Get rid of trailing whitespace
+ end_col = line_end_col;
+ if (end_col < start_col)
+ end_col = start_col;
+
+ // If the last line extended to the end, add an extra newline
+ if (row == row2)
+ add_newline_flag = TRUE;
+ }
+
+ // If after the first row, we need to always add a newline
+ if (row > row1 && !LineWraps[row - 1])
+ *bufp++ = NL;
+
+ // Safetey check for in case resizing went wrong
+ if (row < screen_Rows && end_col <= screen_Columns)
+ {
+ if (enc_dbcs != 0)
+ {
+ int i;
+
+ p = ScreenLines + LineOffset[row];
+ for (i = start_col; i < end_col; ++i)
+ if (enc_dbcs == DBCS_JPNU && p[i] == 0x8e)
+ {
+ // single-width double-byte char
+ *bufp++ = 0x8e;
+ *bufp++ = ScreenLines2[LineOffset[row] + i];
+ }
+ else
+ {
+ *bufp++ = p[i];
+ if (MB_BYTE2LEN(p[i]) == 2)
+ *bufp++ = p[++i];
+ }
+ }
+ else if (enc_utf8)
+ {
+ int off;
+ int i;
+ int ci;
+
+ off = LineOffset[row];
+ for (i = start_col; i < end_col; ++i)
+ {
+ // The base character is either in ScreenLinesUC[] or
+ // ScreenLines[].
+ if (ScreenLinesUC[off + i] == 0)
+ *bufp++ = ScreenLines[off + i];
+ else
+ {
+ bufp += utf_char2bytes(ScreenLinesUC[off + i], bufp);
+ for (ci = 0; ci < Screen_mco; ++ci)
+ {
+ // Add a composing character.
+ if (ScreenLinesC[ci][off + i] == 0)
+ break;
+ bufp += utf_char2bytes(ScreenLinesC[ci][off + i],
+ bufp);
+ }
+ }
+ // Skip right halve of double-wide character.
+ if (ScreenLines[off + i + 1] == 0)
+ ++i;
+ }
+ }
+ else
+ {
+ STRNCPY(bufp, ScreenLines + LineOffset[row] + start_col,
+ end_col - start_col);
+ bufp += end_col - start_col;
+ }
+ }
+ }
+
+ // Add a newline at the end if the selection ended there
+ if (add_newline_flag)
+ *bufp++ = NL;
+
+ // First cleanup any old selection and become the owner.
+ clip_free_selection(&clip_star);
+ clip_own_selection(&clip_star);
+
+ // Yank the text into the '*' register.
+ clip_yank_selection(MCHAR, buffer, (long)(bufp - buffer), &clip_star);
+
+ // Make the register contents available to the outside world.
+ clip_gen_set_selection(&clip_star);
+
+#ifdef FEAT_X11
+ if (both)
+ {
+ // Do the same for the '+' register.
+ clip_free_selection(&clip_plus);
+ clip_own_selection(&clip_plus);
+ clip_yank_selection(MCHAR, buffer, (long)(bufp - buffer), &clip_plus);
+ clip_gen_set_selection(&clip_plus);
+ }
+#endif
+ vim_free(buffer);
+}
+
+ void
+clip_gen_set_selection(Clipboard_T *cbd)
+{
+ if (!clip_did_set_selection)
+ {
+ // Updating postponed, so that accessing the system clipboard won't
+ // hang Vim when accessing it many times (e.g. on a :g command).
+ if ((cbd == &clip_plus && (clip_unnamed_saved & CLIP_UNNAMED_PLUS))
+ || (cbd == &clip_star && (clip_unnamed_saved & CLIP_UNNAMED)))
+ {
+ clipboard_needs_update = TRUE;
+ return;
+ }
+ }
+#ifdef FEAT_XCLIPBOARD
+# ifdef FEAT_GUI
+ if (gui.in_use)
+ clip_mch_set_selection(cbd);
+ else
+# endif
+ clip_xterm_set_selection(cbd);
+#else
+ clip_mch_set_selection(cbd);
+#endif
+}
+
+ static void
+clip_gen_request_selection(Clipboard_T *cbd)
+{
+#ifdef FEAT_XCLIPBOARD
+# ifdef FEAT_GUI
+ if (gui.in_use)
+ clip_mch_request_selection(cbd);
+ else
+# endif
+ clip_xterm_request_selection(cbd);
+#else
+ clip_mch_request_selection(cbd);
+#endif
+}
+
+#if (defined(FEAT_X11) && defined(FEAT_XCLIPBOARD) && defined(USE_SYSTEM)) \
+ || defined(PROTO)
+ static int
+clip_x11_owner_exists(Clipboard_T *cbd)
+{
+ return XGetSelectionOwner(X_DISPLAY, cbd->sel_atom) != None;
+}
+#endif
+
+#if (defined(FEAT_X11) && defined(USE_SYSTEM)) || defined(PROTO)
+ int
+clip_gen_owner_exists(Clipboard_T *cbd UNUSED)
+{
+#ifdef FEAT_XCLIPBOARD
+# ifdef FEAT_GUI_GTK
+ if (gui.in_use)
+ return clip_gtk_owner_exists(cbd);
+ else
+# endif
+ return clip_x11_owner_exists(cbd);
+#else
+ return TRUE;
+#endif
+}
+#endif
+
+/*
+ * Extract the items in the 'clipboard' option and set global values.
+ * Return an error message or NULL for success.
+ */
+ char *
+check_clipboard_option(void)
+{
+ int new_unnamed = 0;
+ int new_autoselect_star = FALSE;
+ int new_autoselect_plus = FALSE;
+ int new_autoselectml = FALSE;
+ int new_html = FALSE;
+ regprog_T *new_exclude_prog = NULL;
+ char *errmsg = NULL;
+ char_u *p;
+
+ for (p = p_cb; *p != NUL; )
+ {
+ if (STRNCMP(p, "unnamed", 7) == 0 && (p[7] == ',' || p[7] == NUL))
+ {
+ new_unnamed |= CLIP_UNNAMED;
+ p += 7;
+ }
+ else if (STRNCMP(p, "unnamedplus", 11) == 0
+ && (p[11] == ',' || p[11] == NUL))
+ {
+ new_unnamed |= CLIP_UNNAMED_PLUS;
+ p += 11;
+ }
+ else if (STRNCMP(p, "autoselect", 10) == 0
+ && (p[10] == ',' || p[10] == NUL))
+ {
+ new_autoselect_star = TRUE;
+ p += 10;
+ }
+ else if (STRNCMP(p, "autoselectplus", 14) == 0
+ && (p[14] == ',' || p[14] == NUL))
+ {
+ new_autoselect_plus = TRUE;
+ p += 14;
+ }
+ else if (STRNCMP(p, "autoselectml", 12) == 0
+ && (p[12] == ',' || p[12] == NUL))
+ {
+ new_autoselectml = TRUE;
+ p += 12;
+ }
+ else if (STRNCMP(p, "html", 4) == 0 && (p[4] == ',' || p[4] == NUL))
+ {
+ new_html = TRUE;
+ p += 4;
+ }
+ else if (STRNCMP(p, "exclude:", 8) == 0 && new_exclude_prog == NULL)
+ {
+ p += 8;
+ new_exclude_prog = vim_regcomp(p, RE_MAGIC);
+ if (new_exclude_prog == NULL)
+ errmsg = e_invarg;
+ break;
+ }
+ else
+ {
+ errmsg = e_invarg;
+ break;
+ }
+ if (*p == ',')
+ ++p;
+ }
+ if (errmsg == NULL)
+ {
+ clip_unnamed = new_unnamed;
+ clip_autoselect_star = new_autoselect_star;
+ clip_autoselect_plus = new_autoselect_plus;
+ clip_autoselectml = new_autoselectml;
+ clip_html = new_html;
+ vim_regfree(clip_exclude_prog);
+ clip_exclude_prog = new_exclude_prog;
+#ifdef FEAT_GUI_GTK
+ if (gui.in_use)
+ {
+ gui_gtk_set_selection_targets();
+ gui_gtk_set_dnd_targets();
+ }
+#endif
+ }
+ else
+ vim_regfree(new_exclude_prog);
+
+ return errmsg;
+}
+
+/*
+ * Stuff for the X clipboard. Shared between VMS and Unix.
+ */
+
+#if defined(FEAT_XCLIPBOARD) || defined(FEAT_GUI_X11) || defined(PROTO)
+# include <X11/Xatom.h>
+# include <X11/Intrinsic.h>
+
+/*
+ * Open the application context (if it hasn't been opened yet).
+ * Used for Motif and Athena GUI and the xterm clipboard.
+ */
+ void
+open_app_context(void)
+{
+ if (app_context == NULL)
+ {
+ XtToolkitInitialize();
+ app_context = XtCreateApplicationContext();
+ }
+}
+
+static Atom vim_atom; // Vim's own special selection format
+static Atom vimenc_atom; // Vim's extended selection format
+static Atom utf8_atom;
+static Atom compound_text_atom;
+static Atom text_atom;
+static Atom targets_atom;
+static Atom timestamp_atom; // Used to get a timestamp
+
+ void
+x11_setup_atoms(Display *dpy)
+{
+ vim_atom = XInternAtom(dpy, VIM_ATOM_NAME, False);
+ vimenc_atom = XInternAtom(dpy, VIMENC_ATOM_NAME,False);
+ utf8_atom = XInternAtom(dpy, "UTF8_STRING", False);
+ compound_text_atom = XInternAtom(dpy, "COMPOUND_TEXT", False);
+ text_atom = XInternAtom(dpy, "TEXT", False);
+ targets_atom = XInternAtom(dpy, "TARGETS", False);
+ clip_star.sel_atom = XA_PRIMARY;
+ clip_plus.sel_atom = XInternAtom(dpy, "CLIPBOARD", False);
+ timestamp_atom = XInternAtom(dpy, "TIMESTAMP", False);
+}
+
+/*
+ * X Selection stuff, for cutting and pasting text to other windows.
+ */
+
+ static Boolean
+clip_x11_convert_selection_cb(
+ Widget w UNUSED,
+ Atom *sel_atom,
+ Atom *target,
+ Atom *type,
+ XtPointer *value,
+ long_u *length,
+ int *format)
+{
+ static char_u *save_result = NULL;
+ static long_u save_length = 0;
+ char_u *string;
+ int motion_type;
+ Clipboard_T *cbd;
+ int i;
+
+ if (*sel_atom == clip_plus.sel_atom)
+ cbd = &clip_plus;
+ else
+ cbd = &clip_star;
+
+ if (!cbd->owned)
+ return False; // Shouldn't ever happen
+
+ // requestor wants to know what target types we support
+ if (*target == targets_atom)
+ {
+ static Atom array[7];
+
+ *value = (XtPointer)array;
+ i = 0;
+ array[i++] = targets_atom;
+ array[i++] = vimenc_atom;
+ array[i++] = vim_atom;
+ if (enc_utf8)
+ array[i++] = utf8_atom;
+ array[i++] = XA_STRING;
+ array[i++] = text_atom;
+ array[i++] = compound_text_atom;
+
+ *type = XA_ATOM;
+ // This used to be: *format = sizeof(Atom) * 8; but that caused
+ // crashes on 64 bit machines. (Peter Derr)
+ *format = 32;
+ *length = i;
+ return True;
+ }
+
+ if ( *target != XA_STRING
+ && *target != vimenc_atom
+ && (*target != utf8_atom || !enc_utf8)
+ && *target != vim_atom
+ && *target != text_atom
+ && *target != compound_text_atom)
+ return False;
+
+ clip_get_selection(cbd);
+ motion_type = clip_convert_selection(&string, length, cbd);
+ if (motion_type < 0)
+ return False;
+
+ // For our own format, the first byte contains the motion type
+ if (*target == vim_atom)
+ (*length)++;
+
+ // Our own format with encoding: motion 'encoding' NUL text
+ if (*target == vimenc_atom)
+ *length += STRLEN(p_enc) + 2;
+
+ if (save_length < *length || save_length / 2 >= *length)
+ *value = XtRealloc((char *)save_result, (Cardinal)*length + 1);
+ else
+ *value = save_result;
+ if (*value == NULL)
+ {
+ vim_free(string);
+ return False;
+ }
+ save_result = (char_u *)*value;
+ save_length = *length;
+
+ if (*target == XA_STRING || (*target == utf8_atom && enc_utf8))
+ {
+ mch_memmove(save_result, string, (size_t)(*length));
+ *type = *target;
+ }
+ else if (*target == compound_text_atom || *target == text_atom)
+ {
+ XTextProperty text_prop;
+ char *string_nt = (char *)save_result;
+ int conv_result;
+
+ // create NUL terminated string which XmbTextListToTextProperty wants
+ mch_memmove(string_nt, string, (size_t)*length);
+ string_nt[*length] = NUL;
+ conv_result = XmbTextListToTextProperty(X_DISPLAY, (char **)&string_nt,
+ 1, XCompoundTextStyle, &text_prop);
+ if (conv_result != Success)
+ {
+ vim_free(string);
+ return False;
+ }
+ *value = (XtPointer)(text_prop.value); // from plain text
+ *length = text_prop.nitems;
+ *type = compound_text_atom;
+ XtFree((char *)save_result);
+ save_result = (char_u *)*value;
+ save_length = *length;
+ }
+ else if (*target == vimenc_atom)
+ {
+ int l = STRLEN(p_enc);
+
+ save_result[0] = motion_type;
+ STRCPY(save_result + 1, p_enc);
+ mch_memmove(save_result + l + 2, string, (size_t)(*length - l - 2));
+ *type = vimenc_atom;
+ }
+ else
+ {
+ save_result[0] = motion_type;
+ mch_memmove(save_result + 1, string, (size_t)(*length - 1));
+ *type = vim_atom;
+ }
+ *format = 8; // 8 bits per char
+ vim_free(string);
+ return True;
+}
+
+ static void
+clip_x11_lose_ownership_cb(Widget w UNUSED, Atom *sel_atom)
+{
+ if (*sel_atom == clip_plus.sel_atom)
+ clip_lose_selection(&clip_plus);
+ else
+ clip_lose_selection(&clip_star);
+}
+
+ static void
+clip_x11_notify_cb(Widget w UNUSED, Atom *sel_atom UNUSED, Atom *target UNUSED)
+{
+ // To prevent automatically freeing the selection value.
+}
+
+/*
+ * Property callback to get a timestamp for XtOwnSelection.
+ */
+ static void
+clip_x11_timestamp_cb(
+ Widget w,
+ XtPointer n UNUSED,
+ XEvent *event,
+ Boolean *cont UNUSED)
+{
+ Atom actual_type;
+ int format;
+ unsigned long nitems, bytes_after;
+ unsigned char *prop=NULL;
+ XPropertyEvent *xproperty=&event->xproperty;
+
+ // Must be a property notify, state can't be Delete (True), has to be
+ // one of the supported selection types.
+ if (event->type != PropertyNotify || xproperty->state
+ || (xproperty->atom != clip_star.sel_atom
+ && xproperty->atom != clip_plus.sel_atom))
+ return;
+
+ if (XGetWindowProperty(xproperty->display, xproperty->window,
+ xproperty->atom, 0, 0, False, timestamp_atom, &actual_type, &format,
+ &nitems, &bytes_after, &prop))
+ return;
+
+ if (prop)
+ XFree(prop);
+
+ // Make sure the property type is "TIMESTAMP" and it's 32 bits.
+ if (actual_type != timestamp_atom || format != 32)
+ return;
+
+ // Get the selection, using the event timestamp.
+ if (XtOwnSelection(w, xproperty->atom, xproperty->time,
+ clip_x11_convert_selection_cb, clip_x11_lose_ownership_cb,
+ clip_x11_notify_cb) == OK)
+ {
+ // Set the "owned" flag now, there may have been a call to
+ // lose_ownership_cb in between.
+ if (xproperty->atom == clip_plus.sel_atom)
+ clip_plus.owned = TRUE;
+ else
+ clip_star.owned = TRUE;
+ }
+}
+
+ void
+x11_setup_selection(Widget w)
+{
+ XtAddEventHandler(w, PropertyChangeMask, False,
+ /*(XtEventHandler)*/clip_x11_timestamp_cb, (XtPointer)NULL);
+}
+
+ static void
+clip_x11_request_selection_cb(
+ Widget w UNUSED,
+ XtPointer success,
+ Atom *sel_atom,
+ Atom *type,
+ XtPointer value,
+ long_u *length,
+ int *format)
+{
+ int motion_type = MAUTO;
+ long_u len;
+ char_u *p;
+ char **text_list = NULL;
+ Clipboard_T *cbd;
+ char_u *tmpbuf = NULL;
+
+ if (*sel_atom == clip_plus.sel_atom)
+ cbd = &clip_plus;
+ else
+ cbd = &clip_star;
+
+ if (value == NULL || *length == 0)
+ {
+ clip_free_selection(cbd); // nothing received, clear register
+ *(int *)success = FALSE;
+ return;
+ }
+ p = (char_u *)value;
+ len = *length;
+ if (*type == vim_atom)
+ {
+ motion_type = *p++;
+ len--;
+ }
+
+ else if (*type == vimenc_atom)
+ {
+ char_u *enc;
+ vimconv_T conv;
+ int convlen;
+
+ motion_type = *p++;
+ --len;
+
+ enc = p;
+ p += STRLEN(p) + 1;
+ len -= p - enc;
+
+ // If the encoding of the text is different from 'encoding', attempt
+ // converting it.
+ conv.vc_type = CONV_NONE;
+ convert_setup(&conv, enc, p_enc);
+ if (conv.vc_type != CONV_NONE)
+ {
+ convlen = len; // Need to use an int here.
+ tmpbuf = string_convert(&conv, p, &convlen);
+ len = convlen;
+ if (tmpbuf != NULL)
+ p = tmpbuf;
+ convert_setup(&conv, NULL, NULL);
+ }
+ }
+
+ else if (*type == compound_text_atom
+ || *type == utf8_atom
+ || (enc_dbcs != 0 && *type == text_atom))
+ {
+ XTextProperty text_prop;
+ int n_text = 0;
+ int status;
+
+ text_prop.value = (unsigned char *)value;
+ text_prop.encoding = *type;
+ text_prop.format = *format;
+ text_prop.nitems = len;
+#if defined(X_HAVE_UTF8_STRING)
+ if (*type == utf8_atom)
+ status = Xutf8TextPropertyToTextList(X_DISPLAY, &text_prop,
+ &text_list, &n_text);
+ else
+#endif
+ status = XmbTextPropertyToTextList(X_DISPLAY, &text_prop,
+ &text_list, &n_text);
+ if (status != Success || n_text < 1)
+ {
+ *(int *)success = FALSE;
+ return;
+ }
+ p = (char_u *)text_list[0];
+ len = STRLEN(p);
+ }
+ clip_yank_selection(motion_type, p, (long)len, cbd);
+
+ if (text_list != NULL)
+ XFreeStringList(text_list);
+ vim_free(tmpbuf);
+ XtFree((char *)value);
+ *(int *)success = TRUE;
+}
+
+ void
+clip_x11_request_selection(
+ Widget myShell,
+ Display *dpy,
+ Clipboard_T *cbd)
+{
+ XEvent event;
+ Atom type;
+ static int success;
+ int i;
+ time_t start_time;
+ int timed_out = FALSE;
+
+ for (i = 0; i < 6; i++)
+ {
+ switch (i)
+ {
+ case 0: type = vimenc_atom; break;
+ case 1: type = vim_atom; break;
+ case 2: type = utf8_atom; break;
+ case 3: type = compound_text_atom; break;
+ case 4: type = text_atom; break;
+ default: type = XA_STRING;
+ }
+ if (type == utf8_atom
+# if defined(X_HAVE_UTF8_STRING)
+ && !enc_utf8
+# endif
+ )
+ // Only request utf-8 when 'encoding' is utf8 and
+ // Xutf8TextPropertyToTextList is available.
+ continue;
+ success = MAYBE;
+ XtGetSelectionValue(myShell, cbd->sel_atom, type,
+ clip_x11_request_selection_cb, (XtPointer)&success, CurrentTime);
+
+ // Make sure the request for the selection goes out before waiting for
+ // a response.
+ XFlush(dpy);
+
+ /*
+ * Wait for result of selection request, otherwise if we type more
+ * characters, then they will appear before the one that requested the
+ * paste! Don't worry, we will catch up with any other events later.
+ */
+ start_time = time(NULL);
+ while (success == MAYBE)
+ {
+ if (XCheckTypedEvent(dpy, PropertyNotify, &event)
+ || XCheckTypedEvent(dpy, SelectionNotify, &event)
+ || XCheckTypedEvent(dpy, SelectionRequest, &event))
+ {
+ // This is where clip_x11_request_selection_cb() should be
+ // called. It may actually happen a bit later, so we loop
+ // until "success" changes.
+ // We may get a SelectionRequest here and if we don't handle
+ // it we hang. KDE klipper does this, for example.
+ // We need to handle a PropertyNotify for large selections.
+ XtDispatchEvent(&event);
+ continue;
+ }
+
+ // Time out after 2 to 3 seconds to avoid that we hang when the
+ // other process doesn't respond. Note that the SelectionNotify
+ // event may still come later when the selection owner comes back
+ // to life and the text gets inserted unexpectedly. Don't know
+ // why that happens or how to avoid that :-(.
+ if (time(NULL) > start_time + 2)
+ {
+ timed_out = TRUE;
+ break;
+ }
+
+ // Do we need this? Probably not.
+ XSync(dpy, False);
+
+ // Wait for 1 msec to avoid that we eat up all CPU time.
+ ui_delay(1L, TRUE);
+ }
+
+ if (success == TRUE)
+ return;
+
+ // don't do a retry with another type after timing out, otherwise we
+ // hang for 15 seconds.
+ if (timed_out)
+ break;
+ }
+
+ // Final fallback position - use the X CUT_BUFFER0 store
+ yank_cut_buffer0(dpy, cbd);
+}
+
+ void
+clip_x11_lose_selection(Widget myShell, Clipboard_T *cbd)
+{
+ XtDisownSelection(myShell, cbd->sel_atom,
+ XtLastTimestampProcessed(XtDisplay(myShell)));
+}
+
+ int
+clip_x11_own_selection(Widget myShell, Clipboard_T *cbd)
+{
+ // When using the GUI we have proper timestamps, use the one of the last
+ // event. When in the console we don't get events (the terminal gets
+ // them), Get the time by a zero-length append, clip_x11_timestamp_cb will
+ // be called with the current timestamp.
+#ifdef FEAT_GUI
+ if (gui.in_use)
+ {
+ if (XtOwnSelection(myShell, cbd->sel_atom,
+ XtLastTimestampProcessed(XtDisplay(myShell)),
+ clip_x11_convert_selection_cb, clip_x11_lose_ownership_cb,
+ clip_x11_notify_cb) == False)
+ return FAIL;
+ }
+ else
+#endif
+ {
+ if (!XChangeProperty(XtDisplay(myShell), XtWindow(myShell),
+ cbd->sel_atom, timestamp_atom, 32, PropModeAppend, NULL, 0))
+ return FAIL;
+ }
+ // Flush is required in a terminal as nothing else is doing it.
+ XFlush(XtDisplay(myShell));
+ return OK;
+}
+
+/*
+ * Send the current selection to the clipboard. Do nothing for X because we
+ * will fill in the selection only when requested by another app.
+ */
+ void
+clip_x11_set_selection(Clipboard_T *cbd UNUSED)
+{
+}
+
+#endif
+
+#if defined(FEAT_XCLIPBOARD) || defined(FEAT_GUI_X11) \
+ || defined(FEAT_GUI_GTK) || defined(PROTO)
+/*
+ * Get the contents of the X CUT_BUFFER0 and put it in "cbd".
+ */
+ void
+yank_cut_buffer0(Display *dpy, Clipboard_T *cbd)
+{
+ int nbytes = 0;
+ char_u *buffer = (char_u *)XFetchBuffer(dpy, &nbytes, 0);
+
+ if (nbytes > 0)
+ {
+ int done = FALSE;
+
+ // CUT_BUFFER0 is supposed to be always latin1. Convert to 'enc' when
+ // using a multi-byte encoding. Conversion between two 8-bit
+ // character sets usually fails and the text might actually be in
+ // 'enc' anyway.
+ if (has_mbyte)
+ {
+ char_u *conv_buf;
+ vimconv_T vc;
+
+ vc.vc_type = CONV_NONE;
+ if (convert_setup(&vc, (char_u *)"latin1", p_enc) == OK)
+ {
+ conv_buf = string_convert(&vc, buffer, &nbytes);
+ if (conv_buf != NULL)
+ {
+ clip_yank_selection(MCHAR, conv_buf, (long)nbytes, cbd);
+ vim_free(conv_buf);
+ done = TRUE;
+ }
+ convert_setup(&vc, NULL, NULL);
+ }
+ }
+ if (!done) // use the text without conversion
+ clip_yank_selection(MCHAR, buffer, (long)nbytes, cbd);
+ XFree((void *)buffer);
+ if (p_verbose > 0)
+ {
+ verbose_enter();
+ verb_msg(_("Used CUT_BUFFER0 instead of empty selection"));
+ verbose_leave();
+ }
+ }
+}
+#endif
+
+/*
+ * SELECTION / PRIMARY ('*')
+ *
+ * Text selection stuff that uses the GUI selection register '*'. When using a
+ * GUI this may be text from another window, otherwise it is the last text we
+ * had highlighted with VIsual mode. With mouse support, clicking the middle
+ * button performs the paste, otherwise you will need to do <"*p>. "
+ * If not under X, it is synonymous with the clipboard register '+'.
+ *
+ * X CLIPBOARD ('+')
+ *
+ * Text selection stuff that uses the GUI clipboard register '+'.
+ * Under X, this matches the standard cut/paste buffer CLIPBOARD selection.
+ * It will be used for unnamed cut/pasting is 'clipboard' contains "unnamed",
+ * otherwise you will need to do <"+p>. "
+ * If not under X, it is synonymous with the selection register '*'.
+ */
+
+/*
+ * Routine to export any final X selection we had to the environment
+ * so that the text is still available after Vim has exited. X selections
+ * only exist while the owning application exists, so we write to the
+ * permanent (while X runs) store CUT_BUFFER0.
+ * Dump the CLIPBOARD selection if we own it (it's logically the more
+ * 'permanent' of the two), otherwise the PRIMARY one.
+ * For now, use a hard-coded sanity limit of 1Mb of data.
+ */
+#if (defined(FEAT_X11) && defined(FEAT_CLIPBOARD)) || defined(PROTO)
+ void
+x11_export_final_selection(void)
+{
+ Display *dpy;
+ char_u *str = NULL;
+ long_u len = 0;
+ int motion_type = -1;
+
+# ifdef FEAT_GUI
+ if (gui.in_use)
+ dpy = X_DISPLAY;
+ else
+# endif
+# ifdef FEAT_XCLIPBOARD
+ dpy = xterm_dpy;
+# else
+ return;
+# endif
+
+ // Get selection to export
+ if (clip_plus.owned)
+ motion_type = clip_convert_selection(&str, &len, &clip_plus);
+ else if (clip_star.owned)
+ motion_type = clip_convert_selection(&str, &len, &clip_star);
+
+ // Check it's OK
+ if (dpy != NULL && str != NULL && motion_type >= 0
+ && len < 1024*1024 && len > 0)
+ {
+ int ok = TRUE;
+
+ // The CUT_BUFFER0 is supposed to always contain latin1. Convert from
+ // 'enc' when it is a multi-byte encoding. When 'enc' is an 8-bit
+ // encoding conversion usually doesn't work, so keep the text as-is.
+ if (has_mbyte)
+ {
+ vimconv_T vc;
+
+ vc.vc_type = CONV_NONE;
+ if (convert_setup(&vc, p_enc, (char_u *)"latin1") == OK)
+ {
+ int intlen = len;
+ char_u *conv_str;
+
+ vc.vc_fail = TRUE;
+ conv_str = string_convert(&vc, str, &intlen);
+ len = intlen;
+ if (conv_str != NULL)
+ {
+ vim_free(str);
+ str = conv_str;
+ }
+ else
+ {
+ ok = FALSE;
+ }
+ convert_setup(&vc, NULL, NULL);
+ }
+ else
+ {
+ ok = FALSE;
+ }
+ }
+
+ // Do not store the string if conversion failed. Better to use any
+ // other selection than garbled text.
+ if (ok)
+ {
+ XStoreBuffer(dpy, (char *)str, (int)len, 0);
+ XFlush(dpy);
+ }
+ }
+
+ vim_free(str);
+}
+#endif
+
+ void
+clip_free_selection(Clipboard_T *cbd)
+{
+ yankreg_T *y_ptr = get_y_current();
+
+ if (cbd == &clip_plus)
+ set_y_current(get_y_register(PLUS_REGISTER));
+ else
+ set_y_current(get_y_register(STAR_REGISTER));
+ free_yank_all();
+ get_y_current()->y_size = 0;
+ set_y_current(y_ptr);
+}
+
+/*
+ * Get the selected text and put it in register '*' or '+'.
+ */
+ void
+clip_get_selection(Clipboard_T *cbd)
+{
+ yankreg_T *old_y_previous, *old_y_current;
+ pos_T old_cursor;
+ pos_T old_visual;
+ int old_visual_mode;
+ colnr_T old_curswant;
+ int old_set_curswant;
+ pos_T old_op_start, old_op_end;
+ oparg_T oa;
+ cmdarg_T ca;
+
+ if (cbd->owned)
+ {
+ if ((cbd == &clip_plus
+ && get_y_register(PLUS_REGISTER)->y_array != NULL)
+ || (cbd == &clip_star
+ && get_y_register(STAR_REGISTER)->y_array != NULL))
+ return;
+
+ // Get the text between clip_star.start & clip_star.end
+ old_y_previous = get_y_previous();
+ old_y_current = get_y_current();
+ old_cursor = curwin->w_cursor;
+ old_curswant = curwin->w_curswant;
+ old_set_curswant = curwin->w_set_curswant;
+ old_op_start = curbuf->b_op_start;
+ old_op_end = curbuf->b_op_end;
+ old_visual = VIsual;
+ old_visual_mode = VIsual_mode;
+ clear_oparg(&oa);
+ oa.regname = (cbd == &clip_plus ? '+' : '*');
+ oa.op_type = OP_YANK;
+ vim_memset(&ca, 0, sizeof(ca));
+ ca.oap = &oa;
+ ca.cmdchar = 'y';
+ ca.count1 = 1;
+ ca.retval = CA_NO_ADJ_OP_END;
+ do_pending_operator(&ca, 0, TRUE);
+ set_y_previous(old_y_previous);
+ set_y_current(old_y_current);
+ curwin->w_cursor = old_cursor;
+ changed_cline_bef_curs(); // need to update w_virtcol et al
+ curwin->w_curswant = old_curswant;
+ curwin->w_set_curswant = old_set_curswant;
+ curbuf->b_op_start = old_op_start;
+ curbuf->b_op_end = old_op_end;
+ VIsual = old_visual;
+ VIsual_mode = old_visual_mode;
+ }
+ else if (!is_clipboard_needs_update())
+ {
+ clip_free_selection(cbd);
+
+ // Try to get selected text from another window
+ clip_gen_request_selection(cbd);
+ }
+}
+
+/*
+ * Convert from the GUI selection string into the '*'/'+' register.
+ */
+ void
+clip_yank_selection(
+ int type,
+ char_u *str,
+ long len,
+ Clipboard_T *cbd)
+{
+ yankreg_T *y_ptr;
+
+ if (cbd == &clip_plus)
+ y_ptr = get_y_register(PLUS_REGISTER);
+ else
+ y_ptr = get_y_register(STAR_REGISTER);
+
+ clip_free_selection(cbd);
+
+ str_to_reg(y_ptr, type, str, len, 0L, FALSE);
+}
+
+/*
+ * Convert the '*'/'+' register into a GUI selection string returned in *str
+ * with length *len.
+ * Returns the motion type, or -1 for failure.
+ */
+ int
+clip_convert_selection(char_u **str, long_u *len, Clipboard_T *cbd)
+{
+ char_u *p;
+ int lnum;
+ int i, j;
+ int_u eolsize;
+ yankreg_T *y_ptr;
+
+ if (cbd == &clip_plus)
+ y_ptr = get_y_register(PLUS_REGISTER);
+ else
+ y_ptr = get_y_register(STAR_REGISTER);
+
+# ifdef USE_CRNL
+ eolsize = 2;
+# else
+ eolsize = 1;
+# endif
+
+ *str = NULL;
+ *len = 0;
+ if (y_ptr->y_array == NULL)
+ return -1;
+
+ for (i = 0; i < y_ptr->y_size; i++)
+ *len += (long_u)STRLEN(y_ptr->y_array[i]) + eolsize;
+
+ // Don't want newline character at end of last line if we're in MCHAR mode.
+ if (y_ptr->y_type == MCHAR && *len >= eolsize)
+ *len -= eolsize;
+
+ p = *str = alloc(*len + 1); // add one to avoid zero
+ if (p == NULL)
+ return -1;
+ lnum = 0;
+ for (i = 0, j = 0; i < (int)*len; i++, j++)
+ {
+ if (y_ptr->y_array[lnum][j] == '\n')
+ p[i] = NUL;
+ else if (y_ptr->y_array[lnum][j] == NUL)
+ {
+# ifdef USE_CRNL
+ p[i++] = '\r';
+# endif
+ p[i] = '\n';
+ lnum++;
+ j = -1;
+ }
+ else
+ p[i] = y_ptr->y_array[lnum][j];
+ }
+ return y_ptr->y_type;
+}
+
+/*
+ * When "regname" is a clipboard register, obtain the selection. If it's not
+ * available return zero, otherwise return "regname".
+ */
+ int
+may_get_selection(int regname)
+{
+ if (regname == '*')
+ {
+ if (!clip_star.available)
+ regname = 0;
+ else
+ clip_get_selection(&clip_star);
+ }
+ else if (regname == '+')
+ {
+ if (!clip_plus.available)
+ regname = 0;
+ else
+ clip_get_selection(&clip_plus);
+ }
+ return regname;
+}
+
+/*
+ * If we have written to a clipboard register, send the text to the clipboard.
+ */
+ void
+may_set_selection(void)
+{
+ if ((get_y_current() == get_y_register(STAR_REGISTER))
+ && clip_star.available)
+ {
+ clip_own_selection(&clip_star);
+ clip_gen_set_selection(&clip_star);
+ }
+ else if ((get_y_current() == get_y_register(PLUS_REGISTER))
+ && clip_plus.available)
+ {
+ clip_own_selection(&clip_plus);
+ clip_gen_set_selection(&clip_plus);
+ }
+}
+
+/*
+ * Adjust the register name pointed to with "rp" for the clipboard being
+ * used always and the clipboard being available.
+ */
+ void
+adjust_clip_reg(int *rp)
+{
+ // If no reg. specified, and "unnamed" or "unnamedplus" is in 'clipboard',
+ // use '*' or '+' reg, respectively. "unnamedplus" prevails.
+ if (*rp == 0 && (clip_unnamed != 0 || clip_unnamed_saved != 0))
+ {
+ if (clip_unnamed != 0)
+ *rp = ((clip_unnamed & CLIP_UNNAMED_PLUS) && clip_plus.available)
+ ? '+' : '*';
+ else
+ *rp = ((clip_unnamed_saved & CLIP_UNNAMED_PLUS)
+ && clip_plus.available) ? '+' : '*';
+ }
+ if (!clip_star.available && *rp == '*')
+ *rp = 0;
+ if (!clip_plus.available && *rp == '+')
+ *rp = 0;
+}
+
+#endif // FEAT_CLIPBOARD
return did_change;
}
-#if defined(FEAT_CLIPBOARD) || defined(PROTO)
-/*
- * SELECTION / PRIMARY ('*')
- *
- * Text selection stuff that uses the GUI selection register '*'. When using a
- * GUI this may be text from another window, otherwise it is the last text we
- * had highlighted with VIsual mode. With mouse support, clicking the middle
- * button performs the paste, otherwise you will need to do <"*p>. "
- * If not under X, it is synonymous with the clipboard register '+'.
- *
- * X CLIPBOARD ('+')
- *
- * Text selection stuff that uses the GUI clipboard register '+'.
- * Under X, this matches the standard cut/paste buffer CLIPBOARD selection.
- * It will be used for unnamed cut/pasting is 'clipboard' contains "unnamed",
- * otherwise you will need to do <"+p>. "
- * If not under X, it is synonymous with the selection register '*'.
- */
-
-/*
- * Routine to export any final X selection we had to the environment
- * so that the text is still available after Vim has exited. X selections
- * only exist while the owning application exists, so we write to the
- * permanent (while X runs) store CUT_BUFFER0.
- * Dump the CLIPBOARD selection if we own it (it's logically the more
- * 'permanent' of the two), otherwise the PRIMARY one.
- * For now, use a hard-coded sanity limit of 1Mb of data.
- */
-#if (defined(FEAT_X11) && defined(FEAT_CLIPBOARD)) || defined(PROTO)
- void
-x11_export_final_selection(void)
-{
- Display *dpy;
- char_u *str = NULL;
- long_u len = 0;
- int motion_type = -1;
-
-# ifdef FEAT_GUI
- if (gui.in_use)
- dpy = X_DISPLAY;
- else
-# endif
-# ifdef FEAT_XCLIPBOARD
- dpy = xterm_dpy;
-# else
- return;
-# endif
-
- // Get selection to export
- if (clip_plus.owned)
- motion_type = clip_convert_selection(&str, &len, &clip_plus);
- else if (clip_star.owned)
- motion_type = clip_convert_selection(&str, &len, &clip_star);
-
- // Check it's OK
- if (dpy != NULL && str != NULL && motion_type >= 0
- && len < 1024*1024 && len > 0)
- {
- int ok = TRUE;
-
- // The CUT_BUFFER0 is supposed to always contain latin1. Convert from
- // 'enc' when it is a multi-byte encoding. When 'enc' is an 8-bit
- // encoding conversion usually doesn't work, so keep the text as-is.
- if (has_mbyte)
- {
- vimconv_T vc;
-
- vc.vc_type = CONV_NONE;
- if (convert_setup(&vc, p_enc, (char_u *)"latin1") == OK)
- {
- int intlen = len;
- char_u *conv_str;
-
- vc.vc_fail = TRUE;
- conv_str = string_convert(&vc, str, &intlen);
- len = intlen;
- if (conv_str != NULL)
- {
- vim_free(str);
- str = conv_str;
- }
- else
- {
- ok = FALSE;
- }
- convert_setup(&vc, NULL, NULL);
- }
- else
- {
- ok = FALSE;
- }
- }
-
- // Do not store the string if conversion failed. Better to use any
- // other selection than garbled text.
- if (ok)
- {
- XStoreBuffer(dpy, (char *)str, (int)len, 0);
- XFlush(dpy);
- }
- }
-
- vim_free(str);
-}
-#endif
-#endif // FEAT_CLIPBOARD || PROTO
-
void
clear_oparg(oparg_T *oap)
{
# include "change.pro"
# include "charset.pro"
# include "cindent.pro"
+# include "clipboard.pro"
# include "cmdexpand.pro"
# include "cmdhist.pro"
# include "if_cscope.pro"
--- /dev/null
+/* clipboard.c */
+void clip_init(int can_use);
+void clip_update_selection(Clipboard_T *clip);
+void clip_own_selection(Clipboard_T *cbd);
+void clip_lose_selection(Clipboard_T *cbd);
+void start_global_changes(void);
+void end_global_changes(void);
+void clip_auto_select(void);
+int clip_isautosel_star(void);
+int clip_isautosel_plus(void);
+void clip_modeless(int button, int is_click, int is_drag);
+void clip_start_selection(int col, int row, int repeated_click);
+void clip_process_selection(int button, int col, int row, int_u repeated_click);
+void clip_may_redraw_selection(int row, int col, int len);
+void clip_clear_selection(Clipboard_T *cbd);
+void clip_may_clear_selection(int row1, int row2);
+void clip_scroll_selection(int rows);
+void clip_copy_modeless_selection(int both);
+void clip_gen_set_selection(Clipboard_T *cbd);
+int clip_gen_owner_exists(Clipboard_T *cbd);
+char *check_clipboard_option(void);
+void open_app_context(void);
+void x11_setup_atoms(Display *dpy);
+void x11_setup_selection(Widget w);
+void clip_x11_request_selection(Widget myShell, Display *dpy, Clipboard_T *cbd);
+void clip_x11_lose_selection(Widget myShell, Clipboard_T *cbd);
+int clip_x11_own_selection(Widget myShell, Clipboard_T *cbd);
+void clip_x11_set_selection(Clipboard_T *cbd);
+void yank_cut_buffer0(Display *dpy, Clipboard_T *cbd);
+void x11_export_final_selection(void);
+void clip_free_selection(Clipboard_T *cbd);
+void clip_get_selection(Clipboard_T *cbd);
+void clip_yank_selection(int type, char_u *str, long len, Clipboard_T *cbd);
+int clip_convert_selection(char_u **str, long_u *len, Clipboard_T *cbd);
+int may_get_selection(int regname);
+void may_set_selection(void);
+void adjust_clip_reg(int *rp);
+/* vim: set ft=c : */
int paragraph_start(linenr_T lnum);
void block_prep(oparg_T *oap, struct block_def *bdp, linenr_T lnum, int is_del);
void op_addsub(oparg_T *oap, linenr_T Prenum1, int g_cmd);
-void x11_export_final_selection(void);
void clear_oparg(oparg_T *oap);
void cursor_pos_info(dict_T *dict);
void do_pending_operator(cmdarg_T *cap, int old_col, int gui_yank);
/* register.c */
yankreg_T *get_y_regs(void);
+yankreg_T *get_y_register(int reg);
yankreg_T *get_y_current(void);
yankreg_T *get_y_previous(void);
+void set_y_current(yankreg_T *yreg);
void set_y_previous(yankreg_T *yreg);
int get_expr_register(void);
void set_expr_line(char_u *new_line);
char_u *get_expr_line(void);
int valid_yank_reg(int regname, int writing);
int get_yank_register(int regname, int writing);
-int may_get_selection(int regname);
void *get_register(int name, int copy);
void put_register(int name, void *reg);
void free_register(void *reg);
int insert_reg(int regname, int literally_arg);
int get_spec_reg(int regname, char_u **argp, int *allocated, int errmsg);
int cmdline_paste_reg(int regname, int literally_arg, int remcr);
-void adjust_clip_reg(int *rp);
void shift_delete_registers(void);
void yank_do_autocmd(oparg_T *oap, yankreg_T *reg);
void init_yank(void);
void clear_registers(void);
+void free_yank_all(void);
int op_yank(oparg_T *oap, int deleting, int mess);
void do_put(int regname, int dir, long count, int flags);
int get_register_name(int num);
void ex_display(exarg_T *eap);
-void clip_free_selection(Clipboard_T *cbd);
-void clip_get_selection(Clipboard_T *cbd);
-void clip_yank_selection(int type, char_u *str, long len, Clipboard_T *cbd);
-int clip_convert_selection(char_u **str, long_u *len, Clipboard_T *cbd);
void dnd_yank_drag_data(char_u *str, long len);
char_u get_reg_type(int regname, long *reglen);
char_u *get_reg_contents(int regname, int flags);
void write_reg_contents(int name, char_u *str, int maxlen, int must_append);
void write_reg_contents_lst(int name, char_u **strings, int maxlen, int must_append, int yank_type, long block_len);
void write_reg_contents_ex(int name, char_u *str, int maxlen, int must_append, int yank_type, long block_len);
+void str_to_reg(yankreg_T *y_ptr, int yank_type, char_u *str, long len, long blocklen, int str_list);
/* vim: set ft=c : */
int ui_get_winpos(int *x, int *y, varnumber_T timeout);
void ui_breakcheck(void);
void ui_breakcheck_force(int force);
-void clip_init(int can_use);
-void clip_update_selection(Clipboard_T *clip);
-void clip_own_selection(Clipboard_T *cbd);
-void clip_lose_selection(Clipboard_T *cbd);
-void start_global_changes(void);
-int is_clipboard_needs_update(void);
-void end_global_changes(void);
-void clip_auto_select(void);
-int clip_isautosel_star(void);
-int clip_isautosel_plus(void);
-void clip_modeless(int button, int is_click, int is_drag);
-void clip_start_selection(int col, int row, int repeated_click);
-void clip_process_selection(int button, int col, int row, int_u repeated_click);
-void clip_may_redraw_selection(int row, int col, int len);
-void clip_clear_selection(Clipboard_T *cbd);
-void clip_may_clear_selection(int row1, int row2);
-void clip_scroll_selection(int rows);
-void clip_copy_modeless_selection(int both);
-void clip_gen_set_selection(Clipboard_T *cbd);
-void clip_gen_request_selection(Clipboard_T *cbd);
-int clip_gen_owner_exists(Clipboard_T *cbd);
-char *check_clipboard_option(void);
int vim_is_input_buf_full(void);
int vim_is_input_buf_empty(void);
int vim_free_in_input_buf(void);
void ui_cursor_shape(void);
int check_col(int col);
int check_row(int row);
-void open_app_context(void);
-void x11_setup_atoms(Display *dpy);
-void x11_setup_selection(Widget w);
-void clip_x11_request_selection(Widget myShell, Display *dpy, Clipboard_T *cbd);
-void clip_x11_lose_selection(Widget myShell, Clipboard_T *cbd);
-int clip_x11_own_selection(Widget myShell, Clipboard_T *cbd);
-void clip_x11_set_selection(Clipboard_T *cbd);
-void yank_cut_buffer0(Display *dpy, Clipboard_T *cbd);
void ui_focus_change(int in_focus);
void im_save_status(long *psave);
/* vim: set ft=c : */
static void put_reedit_in_typebuf(int silent);
static int put_in_typebuf(char_u *s, int esc, int colon,
int silent);
-static void free_yank_all(void);
static int yank_copy_line(struct block_def *bd, long y_idx);
#ifdef FEAT_CLIPBOARD
static void copy_yank_reg(yankreg_T *reg);
-static void may_set_selection(void);
#endif
static void dis_msg(char_u *p, int skip_esc);
-#if defined(FEAT_CLIPBOARD) || defined(FEAT_EVAL)
-static void str_to_reg(yankreg_T *y_ptr, int yank_type, char_u *str, long len, long blocklen, int str_list);
-#endif
yankreg_T *
get_y_regs(void)
return y_regs;
}
+ yankreg_T *
+get_y_register(int reg)
+{
+ return &y_regs[reg];
+}
+
yankreg_T *
get_y_current(void)
{
return y_previous;
}
+ void
+set_y_current(yankreg_T *yreg)
+{
+ y_current = yreg;
+}
+
void
set_y_previous(yankreg_T *yreg)
{
return ret;
}
-#if defined(FEAT_CLIPBOARD) || defined(PROTO)
-/*
- * When "regname" is a clipboard register, obtain the selection. If it's not
- * available return zero, otherwise return "regname".
- */
- int
-may_get_selection(int regname)
-{
- if (regname == '*')
- {
- if (!clip_star.available)
- regname = 0;
- else
- clip_get_selection(&clip_star);
- }
- else if (regname == '+')
- {
- if (!clip_plus.available)
- regname = 0;
- else
- clip_get_selection(&clip_plus);
- }
- return regname;
-}
-#endif
-
/*
* Obtain the contents of a "normal" register. The register is made empty.
* The returned pointer has allocated memory, use put_register() later.
return OK;
}
-#if defined(FEAT_CLIPBOARD) || defined(PROTO)
-/*
- * Adjust the register name pointed to with "rp" for the clipboard being
- * used always and the clipboard being available.
- */
- void
-adjust_clip_reg(int *rp)
-{
- // If no reg. specified, and "unnamed" or "unnamedplus" is in 'clipboard',
- // use '*' or '+' reg, respectively. "unnamedplus" prevails.
- if (*rp == 0 && (clip_unnamed != 0 || clip_unnamed_saved != 0))
- {
- if (clip_unnamed != 0)
- *rp = ((clip_unnamed & CLIP_UNNAMED_PLUS) && clip_plus.available)
- ? '+' : '*';
- else
- *rp = ((clip_unnamed_saved & CLIP_UNNAMED_PLUS)
- && clip_plus.available) ? '+' : '*';
- }
- if (!clip_star.available && *rp == '*')
- *rp = 0;
- if (!clip_plus.available && *rp == '+')
- *rp = 0;
-}
-#endif
-
/*
* Shift the delete registers: "9 is cleared, "8 becomes "9, etc.
*/
}
}
- static void
+ void
free_yank_all(void)
{
free_yank(y_current->y_size);
ui_breakcheck();
}
-#if defined(FEAT_CLIPBOARD) || defined(PROTO)
- void
-clip_free_selection(Clipboard_T *cbd)
-{
- yankreg_T *y_ptr = y_current;
-
- if (cbd == &clip_plus)
- y_current = &y_regs[PLUS_REGISTER];
- else
- y_current = &y_regs[STAR_REGISTER];
- free_yank_all();
- y_current->y_size = 0;
- y_current = y_ptr;
-}
-
-/*
- * Get the selected text and put it in register '*' or '+'.
- */
- void
-clip_get_selection(Clipboard_T *cbd)
-{
- yankreg_T *old_y_previous, *old_y_current;
- pos_T old_cursor;
- pos_T old_visual;
- int old_visual_mode;
- colnr_T old_curswant;
- int old_set_curswant;
- pos_T old_op_start, old_op_end;
- oparg_T oa;
- cmdarg_T ca;
-
- if (cbd->owned)
- {
- if ((cbd == &clip_plus && y_regs[PLUS_REGISTER].y_array != NULL)
- || (cbd == &clip_star && y_regs[STAR_REGISTER].y_array != NULL))
- return;
-
- // Get the text between clip_star.start & clip_star.end
- old_y_previous = y_previous;
- old_y_current = y_current;
- old_cursor = curwin->w_cursor;
- old_curswant = curwin->w_curswant;
- old_set_curswant = curwin->w_set_curswant;
- old_op_start = curbuf->b_op_start;
- old_op_end = curbuf->b_op_end;
- old_visual = VIsual;
- old_visual_mode = VIsual_mode;
- clear_oparg(&oa);
- oa.regname = (cbd == &clip_plus ? '+' : '*');
- oa.op_type = OP_YANK;
- vim_memset(&ca, 0, sizeof(ca));
- ca.oap = &oa;
- ca.cmdchar = 'y';
- ca.count1 = 1;
- ca.retval = CA_NO_ADJ_OP_END;
- do_pending_operator(&ca, 0, TRUE);
- y_previous = old_y_previous;
- y_current = old_y_current;
- curwin->w_cursor = old_cursor;
- changed_cline_bef_curs(); // need to update w_virtcol et al
- curwin->w_curswant = old_curswant;
- curwin->w_set_curswant = old_set_curswant;
- curbuf->b_op_start = old_op_start;
- curbuf->b_op_end = old_op_end;
- VIsual = old_visual;
- VIsual_mode = old_visual_mode;
- }
- else if (!is_clipboard_needs_update())
- {
- clip_free_selection(cbd);
-
- // Try to get selected text from another window
- clip_gen_request_selection(cbd);
- }
-}
-
-/*
- * Convert from the GUI selection string into the '*'/'+' register.
- */
- void
-clip_yank_selection(
- int type,
- char_u *str,
- long len,
- Clipboard_T *cbd)
-{
- yankreg_T *y_ptr;
-
- if (cbd == &clip_plus)
- y_ptr = &y_regs[PLUS_REGISTER];
- else
- y_ptr = &y_regs[STAR_REGISTER];
-
- clip_free_selection(cbd);
-
- str_to_reg(y_ptr, type, str, len, 0L, FALSE);
-}
-
-/*
- * Convert the '*'/'+' register into a GUI selection string returned in *str
- * with length *len.
- * Returns the motion type, or -1 for failure.
- */
- int
-clip_convert_selection(char_u **str, long_u *len, Clipboard_T *cbd)
-{
- char_u *p;
- int lnum;
- int i, j;
- int_u eolsize;
- yankreg_T *y_ptr;
-
- if (cbd == &clip_plus)
- y_ptr = &y_regs[PLUS_REGISTER];
- else
- y_ptr = &y_regs[STAR_REGISTER];
-
-# ifdef USE_CRNL
- eolsize = 2;
-# else
- eolsize = 1;
-# endif
-
- *str = NULL;
- *len = 0;
- if (y_ptr->y_array == NULL)
- return -1;
-
- for (i = 0; i < y_ptr->y_size; i++)
- *len += (long_u)STRLEN(y_ptr->y_array[i]) + eolsize;
-
- // Don't want newline character at end of last line if we're in MCHAR mode.
- if (y_ptr->y_type == MCHAR && *len >= eolsize)
- *len -= eolsize;
-
- p = *str = alloc(*len + 1); // add one to avoid zero
- if (p == NULL)
- return -1;
- lnum = 0;
- for (i = 0, j = 0; i < (int)*len; i++, j++)
- {
- if (y_ptr->y_array[lnum][j] == '\n')
- p[i] = NUL;
- else if (y_ptr->y_array[lnum][j] == NUL)
- {
-# ifdef USE_CRNL
- p[i++] = '\r';
-# endif
- p[i] = '\n';
- lnum++;
- j = -1;
- }
- else
- p[i] = y_ptr->y_array[lnum][j];
- }
- return y_ptr->y_type;
-}
-
-
-/*
- * If we have written to a clipboard register, send the text to the clipboard.
- */
- static void
-may_set_selection(void)
-{
- if (y_current == &(y_regs[STAR_REGISTER]) && clip_star.available)
- {
- clip_own_selection(&clip_star);
- clip_gen_set_selection(&clip_star);
- }
- else if (y_current == &(y_regs[PLUS_REGISTER]) && clip_plus.available)
- {
- clip_own_selection(&clip_plus);
- clip_gen_set_selection(&clip_plus);
- }
-}
-
-#endif // FEAT_CLIPBOARD || PROTO
-
-
#if defined(FEAT_DND) || defined(PROTO)
/*
* Replace the contents of the '~' register with str.
* Put a string into a register. When the register is not empty, the string
* is appended.
*/
- static void
+ void
str_to_reg(
yankreg_T *y_ptr, // pointer to yank register
int yank_type, // MCHAR, MLINE, MBLOCK, MAUTO
* 1. Keyboard input stuff, and a bit of windowing stuff. These are called
* before the machine specific stuff (mch_*) so that we can call the GUI
* stuff instead if the GUI is running.
- * 2. Clipboard stuff.
- * 3. Input buffer stuff.
+ * 2. Input buffer stuff.
*/
#include "vim.h"
-#ifdef FEAT_CYGWIN_WIN32_CLIPBOARD
-# define WIN32_LEAN_AND_MEAN
-# include <windows.h>
-# include "winclip.pro"
-#endif
-
void
ui_write(char_u *s, int len)
{
}
//////////////////////////////////////////////////////////////////////////////
-// Functions for copying and pasting text between applications.
-// This is always included in a GUI version, but may also be included when the
-// clipboard and mouse is available to a terminal version such as xterm.
-// Note: there are some more functions in ops.c that handle selection stuff.
+// Functions that handle the input buffer.
+// This is used for any GUI version, and the unix terminal version.
//
-// Also note that the majority of functions here deal with the X 'primary'
-// (visible - for Visual mode use) selection, and only that. There are no
-// versions of these for the 'clipboard' selection, as Visual mode has no use
-// for them.
-
-#if defined(FEAT_CLIPBOARD) || defined(PROTO)
-
-static void clip_gen_lose_selection(Clipboard_T *cbd);
-static int clip_gen_own_selection(Clipboard_T *cbd);
-#if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD) && defined(USE_SYSTEM)
-static int clip_x11_owner_exists(Clipboard_T *cbd);
-#endif
+// For Unix, the input characters are buffered to be able to check for a
+// CTRL-C. This should be done with signals, but I don't know how to do that
+// in a portable way for a tty in RAW mode.
+//
+// For the client-server code in the console the received keys are put in the
+// input buffer.
-/*
- * Selection stuff using Visual mode, for cutting and pasting text to other
- * windows.
- */
+#if defined(USE_INPUT_BUF) || defined(PROTO)
/*
- * Call this to initialise the clipboard. Pass it FALSE if the clipboard code
- * is included, but the clipboard can not be used, or TRUE if the clipboard can
- * be used. Eg unix may call this with FALSE, then call it again with TRUE if
- * the GUI starts.
+ * Internal typeahead buffer. Includes extra space for long key code
+ * descriptions which would otherwise overflow. The buffer is considered full
+ * when only this extra space (or part of it) remains.
*/
- void
-clip_init(int can_use)
-{
- Clipboard_T *cb;
+#if defined(FEAT_JOB_CHANNEL) || defined(FEAT_CLIENTSERVER)
+ /*
+ * NetBeans stuffs debugger commands into the input buffer.
+ * This requires a larger buffer...
+ * (Madsen) Go with this for remote input as well ...
+ */
+# define INBUFLEN 4096
+#else
+# define INBUFLEN 250
+#endif
- cb = &clip_star;
- for (;;)
- {
- cb->available = can_use;
- cb->owned = FALSE;
- cb->start.lnum = 0;
- cb->start.col = 0;
- cb->end.lnum = 0;
- cb->end.col = 0;
- cb->state = SELECT_CLEARED;
-
- if (cb == &clip_plus)
- break;
- cb = &clip_plus;
- }
-}
+static char_u inbuf[INBUFLEN + MAX_KEY_CODE_LEN];
+static int inbufcount = 0; // number of chars in inbuf[]
/*
- * Check whether the VIsual area has changed, and if so try to become the owner
- * of the selection, and free any old converted selection we may still have
- * lying around. If the VIsual mode has ended, make a copy of what was
- * selected so we can still give it to others. Will probably have to make sure
- * this is called whenever VIsual mode is ended.
+ * vim_is_input_buf_full(), vim_is_input_buf_empty(), add_to_input_buf(), and
+ * trash_input_buf() are functions for manipulating the input buffer. These
+ * are used by the gui_* calls when a GUI is used to handle keyboard input.
*/
- void
-clip_update_selection(Clipboard_T *clip)
-{
- pos_T start, end;
- // If visual mode is only due to a redo command ("."), then ignore it
- if (!redo_VIsual_busy && VIsual_active && (State & NORMAL))
- {
- if (LT_POS(VIsual, curwin->w_cursor))
- {
- start = VIsual;
- end = curwin->w_cursor;
- if (has_mbyte)
- end.col += (*mb_ptr2len)(ml_get_cursor()) - 1;
- }
- else
- {
- start = curwin->w_cursor;
- end = VIsual;
- }
- if (!EQUAL_POS(clip->start, start)
- || !EQUAL_POS(clip->end, end)
- || clip->vmode != VIsual_mode)
- {
- clip_clear_selection(clip);
- clip->start = start;
- clip->end = end;
- clip->vmode = VIsual_mode;
- clip_free_selection(clip);
- clip_own_selection(clip);
- clip_gen_set_selection(clip);
- }
- }
+ int
+vim_is_input_buf_full(void)
+{
+ return (inbufcount >= INBUFLEN);
}
- void
-clip_own_selection(Clipboard_T *cbd)
+ int
+vim_is_input_buf_empty(void)
{
- /*
- * Also want to check somehow that we are reading from the keyboard rather
- * than a mapping etc.
- */
-#ifdef FEAT_X11
- // Always own the selection, we might have lost it without being
- // notified, e.g. during a ":sh" command.
- if (cbd->available)
- {
- int was_owned = cbd->owned;
-
- cbd->owned = (clip_gen_own_selection(cbd) == OK);
- if (!was_owned && (cbd == &clip_star || cbd == &clip_plus))
- {
- // May have to show a different kind of highlighting for the
- // selected area. There is no specific redraw command for this,
- // just redraw all windows on the current buffer.
- if (cbd->owned
- && (get_real_state() == VISUAL
- || get_real_state() == SELECTMODE)
- && (cbd == &clip_star ? clip_isautosel_star()
- : clip_isautosel_plus())
- && HL_ATTR(HLF_V) != HL_ATTR(HLF_VNC))
- redraw_curbuf_later(INVERTED_ALL);
- }
- }
-#else
- // Only own the clipboard when we didn't own it yet.
- if (!cbd->owned && cbd->available)
- cbd->owned = (clip_gen_own_selection(cbd) == OK);
-#endif
+ return (inbufcount == 0);
}
- void
-clip_lose_selection(Clipboard_T *cbd)
+#if defined(FEAT_OLE) || defined(PROTO)
+ int
+vim_free_in_input_buf(void)
{
-#ifdef FEAT_X11
- int was_owned = cbd->owned;
-#endif
- int visual_selection = FALSE;
-
- if (cbd == &clip_star || cbd == &clip_plus)
- visual_selection = TRUE;
-
- clip_free_selection(cbd);
- cbd->owned = FALSE;
- if (visual_selection)
- clip_clear_selection(cbd);
- clip_gen_lose_selection(cbd);
-#ifdef FEAT_X11
- if (visual_selection)
- {
- // May have to show a different kind of highlighting for the selected
- // area. There is no specific redraw command for this, just redraw all
- // windows on the current buffer.
- if (was_owned
- && (get_real_state() == VISUAL
- || get_real_state() == SELECTMODE)
- && (cbd == &clip_star ?
- clip_isautosel_star() : clip_isautosel_plus())
- && HL_ATTR(HLF_V) != HL_ATTR(HLF_VNC))
- {
- update_curbuf(INVERTED_ALL);
- setcursor();
- cursor_on();
- out_flush_cursor(TRUE, FALSE);
- }
- }
-#endif
+ return (INBUFLEN - inbufcount);
}
+#endif
- static void
-clip_copy_selection(Clipboard_T *clip)
+#if defined(FEAT_GUI_GTK) || defined(PROTO)
+ int
+vim_used_in_input_buf(void)
{
- if (VIsual_active && (State & NORMAL) && clip->available)
- {
- clip_update_selection(clip);
- clip_free_selection(clip);
- clip_own_selection(clip);
- if (clip->owned)
- clip_get_selection(clip);
- clip_gen_set_selection(clip);
- }
+ return inbufcount;
}
+#endif
/*
- * Save and restore clip_unnamed before doing possibly many changes. This
- * prevents accessing the clipboard very often which might slow down Vim
- * considerably.
- */
-static int global_change_count = 0; // if set, inside a start_global_changes
-static int clipboard_needs_update = FALSE; // clipboard needs to be updated
-static int clip_did_set_selection = TRUE;
-
-/*
- * Save clip_unnamed and reset it.
+ * Return the current contents of the input buffer and make it empty.
+ * The returned pointer must be passed to set_input_buf() later.
*/
- void
-start_global_changes(void)
+ char_u *
+get_input_buf(void)
{
- if (++global_change_count > 1)
- return;
- clip_unnamed_saved = clip_unnamed;
- clipboard_needs_update = FALSE;
+ garray_T *gap;
- if (clip_did_set_selection)
+ // We use a growarray to store the data pointer and the length.
+ gap = ALLOC_ONE(garray_T);
+ if (gap != NULL)
{
- clip_unnamed = 0;
- clip_did_set_selection = FALSE;
+ // Add one to avoid a zero size.
+ gap->ga_data = alloc(inbufcount + 1);
+ if (gap->ga_data != NULL)
+ mch_memmove(gap->ga_data, inbuf, (size_t)inbufcount);
+ gap->ga_len = inbufcount;
}
+ trash_input_buf();
+ return (char_u *)gap;
}
/*
- * Return TRUE if setting the clipboard was postponed, it already contains the
- * right text.
- */
- int
-is_clipboard_needs_update()
-{
- return clipboard_needs_update;
-}
-
-/*
- * Restore clip_unnamed and set the selection when needed.
+ * Restore the input buffer with a pointer returned from get_input_buf().
+ * The allocated memory is freed, this only works once!
*/
void
-end_global_changes(void)
+set_input_buf(char_u *p)
{
- if (--global_change_count > 0)
- // recursive
- return;
- if (!clip_did_set_selection)
+ garray_T *gap = (garray_T *)p;
+
+ if (gap != NULL)
{
- clip_did_set_selection = TRUE;
- clip_unnamed = clip_unnamed_saved;
- clip_unnamed_saved = 0;
- if (clipboard_needs_update)
+ if (gap->ga_data != NULL)
{
- // only store something in the clipboard,
- // if we have yanked anything to it
- if (clip_unnamed & CLIP_UNNAMED)
- {
- clip_own_selection(&clip_star);
- clip_gen_set_selection(&clip_star);
- }
- if (clip_unnamed & CLIP_UNNAMED_PLUS)
- {
- clip_own_selection(&clip_plus);
- clip_gen_set_selection(&clip_plus);
- }
+ mch_memmove(inbuf, gap->ga_data, gap->ga_len);
+ inbufcount = gap->ga_len;
+ vim_free(gap->ga_data);
}
+ vim_free(gap);
}
- clipboard_needs_update = FALSE;
}
/*
- * Called when Visual mode is ended: update the selection.
+ * Add the given bytes to the input buffer
+ * Special keys start with CSI. A real CSI must have been translated to
+ * CSI KS_EXTRA KE_CSI. K_SPECIAL doesn't require translation.
*/
void
-clip_auto_select(void)
+add_to_input_buf(char_u *s, int len)
{
- if (clip_isautosel_star())
- clip_copy_selection(&clip_star);
- if (clip_isautosel_plus())
- clip_copy_selection(&clip_plus);
-}
+ if (inbufcount + len > INBUFLEN + MAX_KEY_CODE_LEN)
+ return; // Shouldn't ever happen!
-/*
- * Return TRUE if automatic selection of Visual area is desired for the *
- * register.
- */
- int
-clip_isautosel_star(void)
-{
- return (
-#ifdef FEAT_GUI
- gui.in_use ? (vim_strchr(p_go, GO_ASEL) != NULL) :
-#endif
- clip_autoselect_star);
+ while (len--)
+ inbuf[inbufcount++] = *s++;
}
/*
- * Return TRUE if automatic selection of Visual area is desired for the +
- * register.
+ * Add "str[len]" to the input buffer while escaping CSI bytes.
*/
- int
-clip_isautosel_plus(void)
+ void
+add_to_input_buf_csi(char_u *str, int len)
{
- return (
-#ifdef FEAT_GUI
- gui.in_use ? (vim_strchr(p_go, GO_ASELPLUS) != NULL) :
-#endif
- clip_autoselect_plus);
-}
-
-
-/*
- * Stuff for general mouse selection, without using Visual mode.
- */
-
-static void clip_invert_area(Clipboard_T *, int, int, int, int, int how);
-static void clip_invert_rectangle(Clipboard_T *, int row, int col, int height, int width, int invert);
-static void clip_get_word_boundaries(Clipboard_T *, int, int);
-static int clip_get_line_end(Clipboard_T *, int);
-static void clip_update_modeless_selection(Clipboard_T *, int, int, int, int);
+ int i;
+ char_u buf[2];
-// "how" flags for clip_invert_area()
-#define CLIP_CLEAR 1
-#define CLIP_SET 2
-#define CLIP_TOGGLE 3
+ for (i = 0; i < len; ++i)
+ {
+ add_to_input_buf(str + i, 1);
+ if (str[i] == CSI)
+ {
+ // Turn CSI into K_CSI.
+ buf[0] = KS_EXTRA;
+ buf[1] = (int)KE_CSI;
+ add_to_input_buf(buf, 2);
+ }
+ }
+}
/*
- * Start, continue or end a modeless selection. Used when editing the
- * command-line, in the cmdline window and when the mouse is in a popup window.
+ * Remove everything from the input buffer. Called when ^C is found.
*/
void
-clip_modeless(int button, int is_click, int is_drag)
+trash_input_buf(void)
{
- int repeat;
-
- repeat = ((clip_star.mode == SELECT_MODE_CHAR
- || clip_star.mode == SELECT_MODE_LINE)
- && (mod_mask & MOD_MASK_2CLICK))
- || (clip_star.mode == SELECT_MODE_WORD
- && (mod_mask & MOD_MASK_3CLICK));
- if (is_click && button == MOUSE_RIGHT)
- {
- // Right mouse button: If there was no selection, start one.
- // Otherwise extend the existing selection.
- if (clip_star.state == SELECT_CLEARED)
- clip_start_selection(mouse_col, mouse_row, FALSE);
- clip_process_selection(button, mouse_col, mouse_row, repeat);
- }
- else if (is_click)
- clip_start_selection(mouse_col, mouse_row, repeat);
- else if (is_drag)
- {
- // Don't try extending a selection if there isn't one. Happens when
- // button-down is in the cmdline and then moving mouse upwards.
- if (clip_star.state != SELECT_CLEARED)
- clip_process_selection(button, mouse_col, mouse_row, repeat);
- }
- else // release
- clip_process_selection(MOUSE_RELEASE, mouse_col, mouse_row, FALSE);
+ inbufcount = 0;
}
/*
- * Compare two screen positions ala strcmp()
+ * Read as much data from the input buffer as possible up to maxlen, and store
+ * it in buf.
*/
- static int
-clip_compare_pos(
- int row1,
- int col1,
- int row2,
- int col2)
+ int
+read_from_input_buf(char_u *buf, long maxlen)
{
- if (row1 > row2) return(1);
- if (row1 < row2) return(-1);
- if (col1 > col2) return(1);
- if (col1 < col2) return(-1);
- return(0);
+ if (inbufcount == 0) // if the buffer is empty, fill it
+ fill_input_buf(TRUE);
+ if (maxlen > inbufcount)
+ maxlen = inbufcount;
+ mch_memmove(buf, inbuf, (size_t)maxlen);
+ inbufcount -= maxlen;
+ if (inbufcount)
+ mch_memmove(inbuf, inbuf + maxlen, (size_t)inbufcount);
+ return (int)maxlen;
}
-/*
- * Start the selection
- */
void
-clip_start_selection(int col, int row, int repeated_click)
+fill_input_buf(int exit_on_error UNUSED)
{
- Clipboard_T *cb = &clip_star;
-#ifdef FEAT_PROP_POPUP
- win_T *wp;
- int row_cp = row;
- int col_cp = col;
-
- wp = mouse_find_win(&row_cp, &col_cp, FIND_POPUP);
- if (wp != NULL && WIN_IS_POPUP(wp)
- && popup_is_in_scrollbar(wp, row_cp, col_cp))
- // click or double click in scrollbar does not start a selection
- return;
+#if defined(UNIX) || defined(VMS) || defined(MACOS_X)
+ int len;
+ int try;
+ static int did_read_something = FALSE;
+ static char_u *rest = NULL; // unconverted rest of previous read
+ static int restlen = 0;
+ int unconverted;
#endif
- if (cb->state == SELECT_DONE)
- clip_clear_selection(cb);
-
- row = check_row(row);
- col = check_col(col);
- col = mb_fix_col(col, row);
-
- cb->start.lnum = row;
- cb->start.col = col;
- cb->end = cb->start;
- cb->origin_row = (short_u)cb->start.lnum;
- cb->state = SELECT_IN_PROGRESS;
-#ifdef FEAT_PROP_POPUP
- if (wp != NULL && WIN_IS_POPUP(wp))
- {
- // Click in a popup window restricts selection to that window,
- // excluding the border.
- cb->min_col = wp->w_wincol + wp->w_popup_border[3];
- cb->max_col = wp->w_wincol + popup_width(wp)
- - wp->w_popup_border[1] - wp->w_has_scrollbar;
- if (cb->max_col > screen_Columns)
- cb->max_col = screen_Columns;
- cb->min_row = wp->w_winrow + wp->w_popup_border[0];
- cb->max_row = wp->w_winrow + popup_height(wp) - 1
- - wp->w_popup_border[2];
- }
- else
+#ifdef FEAT_GUI
+ if (gui.in_use
+# ifdef NO_CONSOLE_INPUT
+ // Don't use the GUI input when the window hasn't been opened yet.
+ // We get here from ui_inchar() when we should try reading from stdin.
+ && !no_console_input()
+# endif
+ )
{
- cb->min_col = 0;
- cb->max_col = screen_Columns;
- cb->min_row = 0;
- cb->max_row = screen_Rows;
+ gui_mch_update();
+ return;
}
#endif
+#if defined(UNIX) || defined(VMS) || defined(MACOS_X)
+ if (vim_is_input_buf_full())
+ return;
+ /*
+ * Fill_input_buf() is only called when we really need a character.
+ * If we can't get any, but there is some in the buffer, just return.
+ * If we can't get any, and there isn't any in the buffer, we give up and
+ * exit Vim.
+ */
+# ifdef __BEOS__
+ /*
+ * On the BeBox version (for now), all input is secretly performed within
+ * beos_select() which is called from RealWaitForChar().
+ */
+ while (!vim_is_input_buf_full() && RealWaitForChar(read_cmd_fd, 0, NULL))
+ ;
+ len = inbufcount;
+ inbufcount = 0;
+# else
- if (repeated_click)
+ if (rest != NULL)
{
- if (++cb->mode > SELECT_MODE_LINE)
- cb->mode = SELECT_MODE_CHAR;
+ // Use remainder of previous call, starts with an invalid character
+ // that may become valid when reading more.
+ if (restlen > INBUFLEN - inbufcount)
+ unconverted = INBUFLEN - inbufcount;
+ else
+ unconverted = restlen;
+ mch_memmove(inbuf + inbufcount, rest, unconverted);
+ if (unconverted == restlen)
+ VIM_CLEAR(rest);
+ else
+ {
+ restlen -= unconverted;
+ mch_memmove(rest, rest + unconverted, restlen);
+ }
+ inbufcount += unconverted;
}
else
- cb->mode = SELECT_MODE_CHAR;
-
-#ifdef FEAT_GUI
- // clear the cursor until the selection is made
- if (gui.in_use)
- gui_undraw_cursor();
-#endif
-
- switch (cb->mode)
- {
- case SELECT_MODE_CHAR:
- cb->origin_start_col = cb->start.col;
- cb->word_end_col = clip_get_line_end(cb, (int)cb->start.lnum);
- break;
-
- case SELECT_MODE_WORD:
- clip_get_word_boundaries(cb, (int)cb->start.lnum, cb->start.col);
- cb->origin_start_col = cb->word_start_col;
- cb->origin_end_col = cb->word_end_col;
-
- clip_invert_area(cb, (int)cb->start.lnum, cb->word_start_col,
- (int)cb->end.lnum, cb->word_end_col, CLIP_SET);
- cb->start.col = cb->word_start_col;
- cb->end.col = cb->word_end_col;
- break;
-
- case SELECT_MODE_LINE:
- clip_invert_area(cb, (int)cb->start.lnum, 0, (int)cb->start.lnum,
- (int)Columns, CLIP_SET);
- cb->start.col = 0;
- cb->end.col = Columns;
- break;
- }
-
- cb->prev = cb->start;
-
-#ifdef DEBUG_SELECTION
- printf("Selection started at (%ld,%d)\n", cb->start.lnum, cb->start.col);
-#endif
-}
-
-/*
- * Continue processing the selection
- */
- void
-clip_process_selection(
- int button,
- int col,
- int row,
- int_u repeated_click)
-{
- Clipboard_T *cb = &clip_star;
- int diff;
- int slen = 1; // cursor shape width
-
- if (button == MOUSE_RELEASE)
- {
- if (cb->state != SELECT_IN_PROGRESS)
- return;
-
- // Check to make sure we have something selected
- if (cb->start.lnum == cb->end.lnum && cb->start.col == cb->end.col)
- {
-#ifdef FEAT_GUI
- if (gui.in_use)
- gui_update_cursor(FALSE, FALSE);
-#endif
- cb->state = SELECT_CLEARED;
- return;
- }
-
-#ifdef DEBUG_SELECTION
- printf("Selection ended: (%ld,%d) to (%ld,%d)\n", cb->start.lnum,
- cb->start.col, cb->end.lnum, cb->end.col);
-#endif
- if (clip_isautosel_star()
- || (
-#ifdef FEAT_GUI
- gui.in_use ? (vim_strchr(p_go, GO_ASELML) != NULL) :
-#endif
- clip_autoselectml))
- clip_copy_modeless_selection(FALSE);
-#ifdef FEAT_GUI
- if (gui.in_use)
- gui_update_cursor(FALSE, FALSE);
-#endif
-
- cb->state = SELECT_DONE;
- return;
- }
-
- row = check_row(row);
- col = check_col(col);
- col = mb_fix_col(col, row);
-
- if (col == (int)cb->prev.col && row == cb->prev.lnum && !repeated_click)
- return;
-
- /*
- * When extending the selection with the right mouse button, swap the
- * start and end if the position is before half the selection
- */
- if (cb->state == SELECT_DONE && button == MOUSE_RIGHT)
- {
- /*
- * If the click is before the start, or the click is inside the
- * selection and the start is the closest side, set the origin to the
- * end of the selection.
- */
- if (clip_compare_pos(row, col, (int)cb->start.lnum, cb->start.col) < 0
- || (clip_compare_pos(row, col,
- (int)cb->end.lnum, cb->end.col) < 0
- && (((cb->start.lnum == cb->end.lnum
- && cb->end.col - col > col - cb->start.col))
- || ((diff = (cb->end.lnum - row) -
- (row - cb->start.lnum)) > 0
- || (diff == 0 && col < (int)(cb->start.col +
- cb->end.col) / 2)))))
- {
- cb->origin_row = (short_u)cb->end.lnum;
- cb->origin_start_col = cb->end.col - 1;
- cb->origin_end_col = cb->end.col;
- }
- else
- {
- cb->origin_row = (short_u)cb->start.lnum;
- cb->origin_start_col = cb->start.col;
- cb->origin_end_col = cb->start.col;
- }
- if (cb->mode == SELECT_MODE_WORD && !repeated_click)
- cb->mode = SELECT_MODE_CHAR;
- }
-
- // set state, for when using the right mouse button
- cb->state = SELECT_IN_PROGRESS;
-
-#ifdef DEBUG_SELECTION
- printf("Selection extending to (%d,%d)\n", row, col);
-#endif
-
- if (repeated_click && ++cb->mode > SELECT_MODE_LINE)
- cb->mode = SELECT_MODE_CHAR;
-
- switch (cb->mode)
- {
- case SELECT_MODE_CHAR:
- // If we're on a different line, find where the line ends
- if (row != cb->prev.lnum)
- cb->word_end_col = clip_get_line_end(cb, row);
-
- // See if we are before or after the origin of the selection
- if (clip_compare_pos(row, col, cb->origin_row,
- cb->origin_start_col) >= 0)
- {
- if (col >= (int)cb->word_end_col)
- clip_update_modeless_selection(cb, cb->origin_row,
- cb->origin_start_col, row, (int)Columns);
- else
- {
- if (has_mbyte && mb_lefthalve(row, col))
- slen = 2;
- clip_update_modeless_selection(cb, cb->origin_row,
- cb->origin_start_col, row, col + slen);
- }
- }
- else
- {
- if (has_mbyte
- && mb_lefthalve(cb->origin_row, cb->origin_start_col))
- slen = 2;
- if (col >= (int)cb->word_end_col)
- clip_update_modeless_selection(cb, row, cb->word_end_col,
- cb->origin_row, cb->origin_start_col + slen);
- else
- clip_update_modeless_selection(cb, row, col,
- cb->origin_row, cb->origin_start_col + slen);
- }
- break;
-
- case SELECT_MODE_WORD:
- // If we are still within the same word, do nothing
- if (row == cb->prev.lnum && col >= (int)cb->word_start_col
- && col < (int)cb->word_end_col && !repeated_click)
- return;
-
- // Get new word boundaries
- clip_get_word_boundaries(cb, row, col);
-
- // Handle being after the origin point of selection
- if (clip_compare_pos(row, col, cb->origin_row,
- cb->origin_start_col) >= 0)
- clip_update_modeless_selection(cb, cb->origin_row,
- cb->origin_start_col, row, cb->word_end_col);
- else
- clip_update_modeless_selection(cb, row, cb->word_start_col,
- cb->origin_row, cb->origin_end_col);
- break;
-
- case SELECT_MODE_LINE:
- if (row == cb->prev.lnum && !repeated_click)
- return;
-
- if (clip_compare_pos(row, col, cb->origin_row,
- cb->origin_start_col) >= 0)
- clip_update_modeless_selection(cb, cb->origin_row, 0, row,
- (int)Columns);
- else
- clip_update_modeless_selection(cb, row, 0, cb->origin_row,
- (int)Columns);
- break;
- }
-
- cb->prev.lnum = row;
- cb->prev.col = col;
-
-#ifdef DEBUG_SELECTION
- printf("Selection is: (%ld,%d) to (%ld,%d)\n", cb->start.lnum,
- cb->start.col, cb->end.lnum, cb->end.col);
-#endif
-}
-
-# if defined(FEAT_GUI) || defined(PROTO)
-/*
- * Redraw part of the selection if character at "row,col" is inside of it.
- * Only used for the GUI.
- */
- void
-clip_may_redraw_selection(int row, int col, int len)
-{
- int start = col;
- int end = col + len;
-
- if (clip_star.state != SELECT_CLEARED
- && row >= clip_star.start.lnum
- && row <= clip_star.end.lnum)
- {
- if (row == clip_star.start.lnum && start < (int)clip_star.start.col)
- start = clip_star.start.col;
- if (row == clip_star.end.lnum && end > (int)clip_star.end.col)
- end = clip_star.end.col;
- if (end > start)
- clip_invert_area(&clip_star, row, start, row, end, 0);
- }
-}
-# endif
-
-/*
- * Called from outside to clear selected region from the display
- */
- void
-clip_clear_selection(Clipboard_T *cbd)
-{
-
- if (cbd->state == SELECT_CLEARED)
- return;
-
- clip_invert_area(cbd, (int)cbd->start.lnum, cbd->start.col,
- (int)cbd->end.lnum, cbd->end.col, CLIP_CLEAR);
- cbd->state = SELECT_CLEARED;
-}
-
-/*
- * Clear the selection if any lines from "row1" to "row2" are inside of it.
- */
- void
-clip_may_clear_selection(int row1, int row2)
-{
- if (clip_star.state == SELECT_DONE
- && row2 >= clip_star.start.lnum
- && row1 <= clip_star.end.lnum)
- clip_clear_selection(&clip_star);
-}
-
-/*
- * Called before the screen is scrolled up or down. Adjusts the line numbers
- * of the selection. Call with big number when clearing the screen.
- */
- void
-clip_scroll_selection(
- int rows) // negative for scroll down
-{
- int lnum;
-
- if (clip_star.state == SELECT_CLEARED)
- return;
-
- lnum = clip_star.start.lnum - rows;
- if (lnum <= 0)
- clip_star.start.lnum = 0;
- else if (lnum >= screen_Rows) // scrolled off of the screen
- clip_star.state = SELECT_CLEARED;
- else
- clip_star.start.lnum = lnum;
-
- lnum = clip_star.end.lnum - rows;
- if (lnum < 0) // scrolled off of the screen
- clip_star.state = SELECT_CLEARED;
- else if (lnum >= screen_Rows)
- clip_star.end.lnum = screen_Rows - 1;
- else
- clip_star.end.lnum = lnum;
-}
-
-/*
- * Invert a region of the display between a starting and ending row and column
- * Values for "how":
- * CLIP_CLEAR: undo inversion
- * CLIP_SET: set inversion
- * CLIP_TOGGLE: set inversion if pos1 < pos2, undo inversion otherwise.
- * 0: invert (GUI only).
- */
- static void
-clip_invert_area(
- Clipboard_T *cbd,
- int row1,
- int col1,
- int row2,
- int col2,
- int how)
-{
- int invert = FALSE;
- int max_col;
-
-#ifdef FEAT_PROP_POPUP
- max_col = cbd->max_col - 1;
-#else
- max_col = Columns - 1;
-#endif
-
- if (how == CLIP_SET)
- invert = TRUE;
-
- // Swap the from and to positions so the from is always before
- if (clip_compare_pos(row1, col1, row2, col2) > 0)
- {
- int tmp_row, tmp_col;
-
- tmp_row = row1;
- tmp_col = col1;
- row1 = row2;
- col1 = col2;
- row2 = tmp_row;
- col2 = tmp_col;
- }
- else if (how == CLIP_TOGGLE)
- invert = TRUE;
-
- // If all on the same line, do it the easy way
- if (row1 == row2)
- {
- clip_invert_rectangle(cbd, row1, col1, 1, col2 - col1, invert);
- }
- else
- {
- // Handle a piece of the first line
- if (col1 > 0)
- {
- clip_invert_rectangle(cbd, row1, col1, 1,
- (int)Columns - col1, invert);
- row1++;
- }
-
- // Handle a piece of the last line
- if (col2 < max_col)
- {
- clip_invert_rectangle(cbd, row2, 0, 1, col2, invert);
- row2--;
- }
-
- // Handle the rectangle that's left
- if (row2 >= row1)
- clip_invert_rectangle(cbd, row1, 0, row2 - row1 + 1,
- (int)Columns, invert);
- }
-}
-
-/*
- * Invert or un-invert a rectangle of the screen.
- * "invert" is true if the result is inverted.
- */
- static void
-clip_invert_rectangle(
- Clipboard_T *cbd UNUSED,
- int row_arg,
- int col_arg,
- int height_arg,
- int width_arg,
- int invert)
-{
- int row = row_arg;
- int col = col_arg;
- int height = height_arg;
- int width = width_arg;
-
-#ifdef FEAT_PROP_POPUP
- // this goes on top of all popup windows
- screen_zindex = CLIP_ZINDEX;
-
- if (col < cbd->min_col)
- {
- width -= cbd->min_col - col;
- col = cbd->min_col;
- }
- if (width > cbd->max_col - col)
- width = cbd->max_col - col;
- if (row < cbd->min_row)
- {
- height -= cbd->min_row - row;
- row = cbd->min_row;
- }
- if (height > cbd->max_row - row + 1)
- height = cbd->max_row - row + 1;
-#endif
-#ifdef FEAT_GUI
- if (gui.in_use)
- gui_mch_invert_rectangle(row, col, height, width);
- else
-#endif
- screen_draw_rectangle(row, col, height, width, invert);
-#ifdef FEAT_PROP_POPUP
- screen_zindex = 0;
-#endif
-}
-
-/*
- * Copy the currently selected area into the '*' register so it will be
- * available for pasting.
- * When "both" is TRUE also copy to the '+' register.
- */
- void
-clip_copy_modeless_selection(int both UNUSED)
-{
- char_u *buffer;
- char_u *bufp;
- int row;
- int start_col;
- int end_col;
- int line_end_col;
- int add_newline_flag = FALSE;
- int len;
- char_u *p;
- int row1 = clip_star.start.lnum;
- int col1 = clip_star.start.col;
- int row2 = clip_star.end.lnum;
- int col2 = clip_star.end.col;
-
- // Can't use ScreenLines unless initialized
- if (ScreenLines == NULL)
- return;
-
- /*
- * Make sure row1 <= row2, and if row1 == row2 that col1 <= col2.
- */
- if (row1 > row2)
- {
- row = row1; row1 = row2; row2 = row;
- row = col1; col1 = col2; col2 = row;
- }
- else if (row1 == row2 && col1 > col2)
- {
- row = col1; col1 = col2; col2 = row;
- }
-#ifdef FEAT_PROP_POPUP
- if (col1 < clip_star.min_col)
- col1 = clip_star.min_col;
- if (col2 > clip_star.max_col)
- col2 = clip_star.max_col;
- if (row1 > clip_star.max_row || row2 < clip_star.min_row)
- return;
- if (row1 < clip_star.min_row)
- row1 = clip_star.min_row;
- if (row2 > clip_star.max_row)
- row2 = clip_star.max_row;
-#endif
- // correct starting point for being on right halve of double-wide char
- p = ScreenLines + LineOffset[row1];
- if (enc_dbcs != 0)
- col1 -= (*mb_head_off)(p, p + col1);
- else if (enc_utf8 && p[col1] == 0)
- --col1;
-
- // Create a temporary buffer for storing the text
- len = (row2 - row1 + 1) * Columns + 1;
- if (enc_dbcs != 0)
- len *= 2; // max. 2 bytes per display cell
- else if (enc_utf8)
- len *= MB_MAXBYTES;
- buffer = alloc(len);
- if (buffer == NULL) // out of memory
- return;
-
- // Process each row in the selection
- for (bufp = buffer, row = row1; row <= row2; row++)
- {
- if (row == row1)
- start_col = col1;
- else
-#ifdef FEAT_PROP_POPUP
- start_col = clip_star.min_col;
-#else
- start_col = 0;
-#endif
-
- if (row == row2)
- end_col = col2;
- else
-#ifdef FEAT_PROP_POPUP
- end_col = clip_star.max_col;
-#else
- end_col = Columns;
-#endif
-
- line_end_col = clip_get_line_end(&clip_star, row);
-
- // See if we need to nuke some trailing whitespace
- if (end_col >=
-#ifdef FEAT_PROP_POPUP
- clip_star.max_col
-#else
- Columns
-#endif
- && (row < row2 || end_col > line_end_col))
- {
- // Get rid of trailing whitespace
- end_col = line_end_col;
- if (end_col < start_col)
- end_col = start_col;
-
- // If the last line extended to the end, add an extra newline
- if (row == row2)
- add_newline_flag = TRUE;
- }
-
- // If after the first row, we need to always add a newline
- if (row > row1 && !LineWraps[row - 1])
- *bufp++ = NL;
-
- // Safetey check for in case resizing went wrong
- if (row < screen_Rows && end_col <= screen_Columns)
- {
- if (enc_dbcs != 0)
- {
- int i;
-
- p = ScreenLines + LineOffset[row];
- for (i = start_col; i < end_col; ++i)
- if (enc_dbcs == DBCS_JPNU && p[i] == 0x8e)
- {
- // single-width double-byte char
- *bufp++ = 0x8e;
- *bufp++ = ScreenLines2[LineOffset[row] + i];
- }
- else
- {
- *bufp++ = p[i];
- if (MB_BYTE2LEN(p[i]) == 2)
- *bufp++ = p[++i];
- }
- }
- else if (enc_utf8)
- {
- int off;
- int i;
- int ci;
-
- off = LineOffset[row];
- for (i = start_col; i < end_col; ++i)
- {
- // The base character is either in ScreenLinesUC[] or
- // ScreenLines[].
- if (ScreenLinesUC[off + i] == 0)
- *bufp++ = ScreenLines[off + i];
- else
- {
- bufp += utf_char2bytes(ScreenLinesUC[off + i], bufp);
- for (ci = 0; ci < Screen_mco; ++ci)
- {
- // Add a composing character.
- if (ScreenLinesC[ci][off + i] == 0)
- break;
- bufp += utf_char2bytes(ScreenLinesC[ci][off + i],
- bufp);
- }
- }
- // Skip right halve of double-wide character.
- if (ScreenLines[off + i + 1] == 0)
- ++i;
- }
- }
- else
- {
- STRNCPY(bufp, ScreenLines + LineOffset[row] + start_col,
- end_col - start_col);
- bufp += end_col - start_col;
- }
- }
- }
-
- // Add a newline at the end if the selection ended there
- if (add_newline_flag)
- *bufp++ = NL;
-
- // First cleanup any old selection and become the owner.
- clip_free_selection(&clip_star);
- clip_own_selection(&clip_star);
-
- // Yank the text into the '*' register.
- clip_yank_selection(MCHAR, buffer, (long)(bufp - buffer), &clip_star);
-
- // Make the register contents available to the outside world.
- clip_gen_set_selection(&clip_star);
-
-#ifdef FEAT_X11
- if (both)
- {
- // Do the same for the '+' register.
- clip_free_selection(&clip_plus);
- clip_own_selection(&clip_plus);
- clip_yank_selection(MCHAR, buffer, (long)(bufp - buffer), &clip_plus);
- clip_gen_set_selection(&clip_plus);
- }
-#endif
- vim_free(buffer);
-}
-
-/*
- * Find the starting and ending positions of the word at the given row and
- * column. Only white-separated words are recognized here.
- */
-#define CHAR_CLASS(c) (c <= ' ' ? ' ' : vim_iswordc(c))
-
- static void
-clip_get_word_boundaries(Clipboard_T *cb, int row, int col)
-{
- int start_class;
- int temp_col;
- char_u *p;
- int mboff;
-
- if (row >= screen_Rows || col >= screen_Columns || ScreenLines == NULL)
- return;
-
- p = ScreenLines + LineOffset[row];
- // Correct for starting in the right halve of a double-wide char
- if (enc_dbcs != 0)
- col -= dbcs_screen_head_off(p, p + col);
- else if (enc_utf8 && p[col] == 0)
- --col;
- start_class = CHAR_CLASS(p[col]);
-
- temp_col = col;
- for ( ; temp_col > 0; temp_col--)
- if (enc_dbcs != 0
- && (mboff = dbcs_screen_head_off(p, p + temp_col - 1)) > 0)
- temp_col -= mboff;
- else if (CHAR_CLASS(p[temp_col - 1]) != start_class
- && !(enc_utf8 && p[temp_col - 1] == 0))
- break;
- cb->word_start_col = temp_col;
-
- temp_col = col;
- for ( ; temp_col < screen_Columns; temp_col++)
- if (enc_dbcs != 0 && dbcs_ptr2cells(p + temp_col) == 2)
- ++temp_col;
- else if (CHAR_CLASS(p[temp_col]) != start_class
- && !(enc_utf8 && p[temp_col] == 0))
- break;
- cb->word_end_col = temp_col;
-}
-
-/*
- * Find the column position for the last non-whitespace character on the given
- * line at or before start_col.
- */
- static int
-clip_get_line_end(Clipboard_T *cbd UNUSED, int row)
-{
- int i;
-
- if (row >= screen_Rows || ScreenLines == NULL)
- return 0;
- for (i =
-#ifdef FEAT_PROP_POPUP
- cbd->max_col;
-#else
- screen_Columns;
-#endif
- i > 0; i--)
- if (ScreenLines[LineOffset[row] + i - 1] != ' ')
- break;
- return i;
-}
-
-/*
- * Update the currently selected region by adding and/or subtracting from the
- * beginning or end and inverting the changed area(s).
- */
- static void
-clip_update_modeless_selection(
- Clipboard_T *cb,
- int row1,
- int col1,
- int row2,
- int col2)
-{
- // See if we changed at the beginning of the selection
- if (row1 != cb->start.lnum || col1 != (int)cb->start.col)
- {
- clip_invert_area(cb, row1, col1, (int)cb->start.lnum, cb->start.col,
- CLIP_TOGGLE);
- cb->start.lnum = row1;
- cb->start.col = col1;
- }
-
- // See if we changed at the end of the selection
- if (row2 != cb->end.lnum || col2 != (int)cb->end.col)
- {
- clip_invert_area(cb, (int)cb->end.lnum, cb->end.col, row2, col2,
- CLIP_TOGGLE);
- cb->end.lnum = row2;
- cb->end.col = col2;
- }
-}
-
- static int
-clip_gen_own_selection(Clipboard_T *cbd)
-{
-#ifdef FEAT_XCLIPBOARD
-# ifdef FEAT_GUI
- if (gui.in_use)
- return clip_mch_own_selection(cbd);
- else
-# endif
- return clip_xterm_own_selection(cbd);
-#else
- return clip_mch_own_selection(cbd);
-#endif
-}
-
- static void
-clip_gen_lose_selection(Clipboard_T *cbd)
-{
-#ifdef FEAT_XCLIPBOARD
-# ifdef FEAT_GUI
- if (gui.in_use)
- clip_mch_lose_selection(cbd);
- else
-# endif
- clip_xterm_lose_selection(cbd);
-#else
- clip_mch_lose_selection(cbd);
-#endif
-}
-
- void
-clip_gen_set_selection(Clipboard_T *cbd)
-{
- if (!clip_did_set_selection)
- {
- // Updating postponed, so that accessing the system clipboard won't
- // hang Vim when accessing it many times (e.g. on a :g command).
- if ((cbd == &clip_plus && (clip_unnamed_saved & CLIP_UNNAMED_PLUS))
- || (cbd == &clip_star && (clip_unnamed_saved & CLIP_UNNAMED)))
- {
- clipboard_needs_update = TRUE;
- return;
- }
- }
-#ifdef FEAT_XCLIPBOARD
-# ifdef FEAT_GUI
- if (gui.in_use)
- clip_mch_set_selection(cbd);
- else
-# endif
- clip_xterm_set_selection(cbd);
-#else
- clip_mch_set_selection(cbd);
-#endif
-}
-
- void
-clip_gen_request_selection(Clipboard_T *cbd)
-{
-#ifdef FEAT_XCLIPBOARD
-# ifdef FEAT_GUI
- if (gui.in_use)
- clip_mch_request_selection(cbd);
- else
-# endif
- clip_xterm_request_selection(cbd);
-#else
- clip_mch_request_selection(cbd);
-#endif
-}
-
-#if (defined(FEAT_X11) && defined(USE_SYSTEM)) || defined(PROTO)
- int
-clip_gen_owner_exists(Clipboard_T *cbd UNUSED)
-{
-#ifdef FEAT_XCLIPBOARD
-# ifdef FEAT_GUI_GTK
- if (gui.in_use)
- return clip_gtk_owner_exists(cbd);
- else
-# endif
- return clip_x11_owner_exists(cbd);
-#else
- return TRUE;
-#endif
-}
-#endif
-
-/*
- * Extract the items in the 'clipboard' option and set global values.
- * Return an error message or NULL for success.
- */
- char *
-check_clipboard_option(void)
-{
- int new_unnamed = 0;
- int new_autoselect_star = FALSE;
- int new_autoselect_plus = FALSE;
- int new_autoselectml = FALSE;
- int new_html = FALSE;
- regprog_T *new_exclude_prog = NULL;
- char *errmsg = NULL;
- char_u *p;
-
- for (p = p_cb; *p != NUL; )
- {
- if (STRNCMP(p, "unnamed", 7) == 0 && (p[7] == ',' || p[7] == NUL))
- {
- new_unnamed |= CLIP_UNNAMED;
- p += 7;
- }
- else if (STRNCMP(p, "unnamedplus", 11) == 0
- && (p[11] == ',' || p[11] == NUL))
- {
- new_unnamed |= CLIP_UNNAMED_PLUS;
- p += 11;
- }
- else if (STRNCMP(p, "autoselect", 10) == 0
- && (p[10] == ',' || p[10] == NUL))
- {
- new_autoselect_star = TRUE;
- p += 10;
- }
- else if (STRNCMP(p, "autoselectplus", 14) == 0
- && (p[14] == ',' || p[14] == NUL))
- {
- new_autoselect_plus = TRUE;
- p += 14;
- }
- else if (STRNCMP(p, "autoselectml", 12) == 0
- && (p[12] == ',' || p[12] == NUL))
- {
- new_autoselectml = TRUE;
- p += 12;
- }
- else if (STRNCMP(p, "html", 4) == 0 && (p[4] == ',' || p[4] == NUL))
- {
- new_html = TRUE;
- p += 4;
- }
- else if (STRNCMP(p, "exclude:", 8) == 0 && new_exclude_prog == NULL)
- {
- p += 8;
- new_exclude_prog = vim_regcomp(p, RE_MAGIC);
- if (new_exclude_prog == NULL)
- errmsg = e_invarg;
- break;
- }
- else
- {
- errmsg = e_invarg;
- break;
- }
- if (*p == ',')
- ++p;
- }
- if (errmsg == NULL)
- {
- clip_unnamed = new_unnamed;
- clip_autoselect_star = new_autoselect_star;
- clip_autoselect_plus = new_autoselect_plus;
- clip_autoselectml = new_autoselectml;
- clip_html = new_html;
- vim_regfree(clip_exclude_prog);
- clip_exclude_prog = new_exclude_prog;
-#ifdef FEAT_GUI_GTK
- if (gui.in_use)
- {
- gui_gtk_set_selection_targets();
- gui_gtk_set_dnd_targets();
- }
-#endif
- }
- else
- vim_regfree(new_exclude_prog);
-
- return errmsg;
-}
-
-#endif // FEAT_CLIPBOARD
-
-//////////////////////////////////////////////////////////////////////////////
-// Functions that handle the input buffer.
-// This is used for any GUI version, and the unix terminal version.
-//
-// For Unix, the input characters are buffered to be able to check for a
-// CTRL-C. This should be done with signals, but I don't know how to do that
-// in a portable way for a tty in RAW mode.
-//
-// For the client-server code in the console the received keys are put in the
-// input buffer.
-
-#if defined(USE_INPUT_BUF) || defined(PROTO)
-
-/*
- * Internal typeahead buffer. Includes extra space for long key code
- * descriptions which would otherwise overflow. The buffer is considered full
- * when only this extra space (or part of it) remains.
- */
-#if defined(FEAT_JOB_CHANNEL) || defined(FEAT_CLIENTSERVER)
- /*
- * NetBeans stuffs debugger commands into the input buffer.
- * This requires a larger buffer...
- * (Madsen) Go with this for remote input as well ...
- */
-# define INBUFLEN 4096
-#else
-# define INBUFLEN 250
-#endif
-
-static char_u inbuf[INBUFLEN + MAX_KEY_CODE_LEN];
-static int inbufcount = 0; // number of chars in inbuf[]
-
-/*
- * vim_is_input_buf_full(), vim_is_input_buf_empty(), add_to_input_buf(), and
- * trash_input_buf() are functions for manipulating the input buffer. These
- * are used by the gui_* calls when a GUI is used to handle keyboard input.
- */
-
- int
-vim_is_input_buf_full(void)
-{
- return (inbufcount >= INBUFLEN);
-}
-
- int
-vim_is_input_buf_empty(void)
-{
- return (inbufcount == 0);
-}
-
-#if defined(FEAT_OLE) || defined(PROTO)
- int
-vim_free_in_input_buf(void)
-{
- return (INBUFLEN - inbufcount);
-}
-#endif
-
-#if defined(FEAT_GUI_GTK) || defined(PROTO)
- int
-vim_used_in_input_buf(void)
-{
- return inbufcount;
-}
-#endif
-
-/*
- * Return the current contents of the input buffer and make it empty.
- * The returned pointer must be passed to set_input_buf() later.
- */
- char_u *
-get_input_buf(void)
-{
- garray_T *gap;
-
- // We use a growarray to store the data pointer and the length.
- gap = ALLOC_ONE(garray_T);
- if (gap != NULL)
- {
- // Add one to avoid a zero size.
- gap->ga_data = alloc(inbufcount + 1);
- if (gap->ga_data != NULL)
- mch_memmove(gap->ga_data, inbuf, (size_t)inbufcount);
- gap->ga_len = inbufcount;
- }
- trash_input_buf();
- return (char_u *)gap;
-}
-
-/*
- * Restore the input buffer with a pointer returned from get_input_buf().
- * The allocated memory is freed, this only works once!
- */
- void
-set_input_buf(char_u *p)
-{
- garray_T *gap = (garray_T *)p;
-
- if (gap != NULL)
- {
- if (gap->ga_data != NULL)
- {
- mch_memmove(inbuf, gap->ga_data, gap->ga_len);
- inbufcount = gap->ga_len;
- vim_free(gap->ga_data);
- }
- vim_free(gap);
- }
-}
-
-/*
- * Add the given bytes to the input buffer
- * Special keys start with CSI. A real CSI must have been translated to
- * CSI KS_EXTRA KE_CSI. K_SPECIAL doesn't require translation.
- */
- void
-add_to_input_buf(char_u *s, int len)
-{
- if (inbufcount + len > INBUFLEN + MAX_KEY_CODE_LEN)
- return; // Shouldn't ever happen!
-
- while (len--)
- inbuf[inbufcount++] = *s++;
-}
-
-/*
- * Add "str[len]" to the input buffer while escaping CSI bytes.
- */
- void
-add_to_input_buf_csi(char_u *str, int len)
-{
- int i;
- char_u buf[2];
-
- for (i = 0; i < len; ++i)
- {
- add_to_input_buf(str + i, 1);
- if (str[i] == CSI)
- {
- // Turn CSI into K_CSI.
- buf[0] = KS_EXTRA;
- buf[1] = (int)KE_CSI;
- add_to_input_buf(buf, 2);
- }
- }
-}
-
-/*
- * Remove everything from the input buffer. Called when ^C is found.
- */
- void
-trash_input_buf(void)
-{
- inbufcount = 0;
-}
-
-/*
- * Read as much data from the input buffer as possible up to maxlen, and store
- * it in buf.
- */
- int
-read_from_input_buf(char_u *buf, long maxlen)
-{
- if (inbufcount == 0) // if the buffer is empty, fill it
- fill_input_buf(TRUE);
- if (maxlen > inbufcount)
- maxlen = inbufcount;
- mch_memmove(buf, inbuf, (size_t)maxlen);
- inbufcount -= maxlen;
- if (inbufcount)
- mch_memmove(inbuf, inbuf + maxlen, (size_t)inbufcount);
- return (int)maxlen;
-}
-
- void
-fill_input_buf(int exit_on_error UNUSED)
-{
-#if defined(UNIX) || defined(VMS) || defined(MACOS_X)
- int len;
- int try;
- static int did_read_something = FALSE;
- static char_u *rest = NULL; // unconverted rest of previous read
- static int restlen = 0;
- int unconverted;
-#endif
-
-#ifdef FEAT_GUI
- if (gui.in_use
-# ifdef NO_CONSOLE_INPUT
- // Don't use the GUI input when the window hasn't been opened yet.
- // We get here from ui_inchar() when we should try reading from stdin.
- && !no_console_input()
-# endif
- )
- {
- gui_mch_update();
- return;
- }
-#endif
-#if defined(UNIX) || defined(VMS) || defined(MACOS_X)
- if (vim_is_input_buf_full())
- return;
- /*
- * Fill_input_buf() is only called when we really need a character.
- * If we can't get any, but there is some in the buffer, just return.
- * If we can't get any, and there isn't any in the buffer, we give up and
- * exit Vim.
- */
-# ifdef __BEOS__
- /*
- * On the BeBox version (for now), all input is secretly performed within
- * beos_select() which is called from RealWaitForChar().
- */
- while (!vim_is_input_buf_full() && RealWaitForChar(read_cmd_fd, 0, NULL))
- ;
- len = inbufcount;
- inbufcount = 0;
-# else
-
- if (rest != NULL)
- {
- // Use remainder of previous call, starts with an invalid character
- // that may become valid when reading more.
- if (restlen > INBUFLEN - inbufcount)
- unconverted = INBUFLEN - inbufcount;
- else
- unconverted = restlen;
- mch_memmove(inbuf + inbufcount, rest, unconverted);
- if (unconverted == restlen)
- VIM_CLEAR(rest);
- else
- {
- restlen -= unconverted;
- mch_memmove(rest, rest + unconverted, restlen);
- }
- inbufcount += unconverted;
- }
- else
- unconverted = 0;
+ unconverted = 0;
len = 0; // to avoid gcc warning
for (try = 0; try < 100; ++try)
return row;
}
-/*
- * Stuff for the X clipboard. Shared between VMS and Unix.
- */
-
-#if defined(FEAT_XCLIPBOARD) || defined(FEAT_GUI_X11) || defined(PROTO)
-# include <X11/Xatom.h>
-# include <X11/Intrinsic.h>
-
-/*
- * Open the application context (if it hasn't been opened yet).
- * Used for Motif and Athena GUI and the xterm clipboard.
- */
- void
-open_app_context(void)
-{
- if (app_context == NULL)
- {
- XtToolkitInitialize();
- app_context = XtCreateApplicationContext();
- }
-}
-
-static Atom vim_atom; // Vim's own special selection format
-static Atom vimenc_atom; // Vim's extended selection format
-static Atom utf8_atom;
-static Atom compound_text_atom;
-static Atom text_atom;
-static Atom targets_atom;
-static Atom timestamp_atom; // Used to get a timestamp
-
- void
-x11_setup_atoms(Display *dpy)
-{
- vim_atom = XInternAtom(dpy, VIM_ATOM_NAME, False);
- vimenc_atom = XInternAtom(dpy, VIMENC_ATOM_NAME,False);
- utf8_atom = XInternAtom(dpy, "UTF8_STRING", False);
- compound_text_atom = XInternAtom(dpy, "COMPOUND_TEXT", False);
- text_atom = XInternAtom(dpy, "TEXT", False);
- targets_atom = XInternAtom(dpy, "TARGETS", False);
- clip_star.sel_atom = XA_PRIMARY;
- clip_plus.sel_atom = XInternAtom(dpy, "CLIPBOARD", False);
- timestamp_atom = XInternAtom(dpy, "TIMESTAMP", False);
-}
-
-/*
- * X Selection stuff, for cutting and pasting text to other windows.
- */
-
-static Boolean clip_x11_convert_selection_cb(Widget w, Atom *sel_atom, Atom *target, Atom *type, XtPointer *value, long_u *length, int *format);
-static void clip_x11_lose_ownership_cb(Widget w, Atom *sel_atom);
-static void clip_x11_notify_cb(Widget w, Atom *sel_atom, Atom *target);
-
-/*
- * Property callback to get a timestamp for XtOwnSelection.
- */
- static void
-clip_x11_timestamp_cb(
- Widget w,
- XtPointer n UNUSED,
- XEvent *event,
- Boolean *cont UNUSED)
-{
- Atom actual_type;
- int format;
- unsigned long nitems, bytes_after;
- unsigned char *prop=NULL;
- XPropertyEvent *xproperty=&event->xproperty;
-
- // Must be a property notify, state can't be Delete (True), has to be
- // one of the supported selection types.
- if (event->type != PropertyNotify || xproperty->state
- || (xproperty->atom != clip_star.sel_atom
- && xproperty->atom != clip_plus.sel_atom))
- return;
-
- if (XGetWindowProperty(xproperty->display, xproperty->window,
- xproperty->atom, 0, 0, False, timestamp_atom, &actual_type, &format,
- &nitems, &bytes_after, &prop))
- return;
-
- if (prop)
- XFree(prop);
-
- // Make sure the property type is "TIMESTAMP" and it's 32 bits.
- if (actual_type != timestamp_atom || format != 32)
- return;
-
- // Get the selection, using the event timestamp.
- if (XtOwnSelection(w, xproperty->atom, xproperty->time,
- clip_x11_convert_selection_cb, clip_x11_lose_ownership_cb,
- clip_x11_notify_cb) == OK)
- {
- // Set the "owned" flag now, there may have been a call to
- // lose_ownership_cb in between.
- if (xproperty->atom == clip_plus.sel_atom)
- clip_plus.owned = TRUE;
- else
- clip_star.owned = TRUE;
- }
-}
-
- void
-x11_setup_selection(Widget w)
-{
- XtAddEventHandler(w, PropertyChangeMask, False,
- /*(XtEventHandler)*/clip_x11_timestamp_cb, (XtPointer)NULL);
-}
-
- static void
-clip_x11_request_selection_cb(
- Widget w UNUSED,
- XtPointer success,
- Atom *sel_atom,
- Atom *type,
- XtPointer value,
- long_u *length,
- int *format)
-{
- int motion_type = MAUTO;
- long_u len;
- char_u *p;
- char **text_list = NULL;
- Clipboard_T *cbd;
- char_u *tmpbuf = NULL;
-
- if (*sel_atom == clip_plus.sel_atom)
- cbd = &clip_plus;
- else
- cbd = &clip_star;
-
- if (value == NULL || *length == 0)
- {
- clip_free_selection(cbd); // nothing received, clear register
- *(int *)success = FALSE;
- return;
- }
- p = (char_u *)value;
- len = *length;
- if (*type == vim_atom)
- {
- motion_type = *p++;
- len--;
- }
-
- else if (*type == vimenc_atom)
- {
- char_u *enc;
- vimconv_T conv;
- int convlen;
-
- motion_type = *p++;
- --len;
-
- enc = p;
- p += STRLEN(p) + 1;
- len -= p - enc;
-
- // If the encoding of the text is different from 'encoding', attempt
- // converting it.
- conv.vc_type = CONV_NONE;
- convert_setup(&conv, enc, p_enc);
- if (conv.vc_type != CONV_NONE)
- {
- convlen = len; // Need to use an int here.
- tmpbuf = string_convert(&conv, p, &convlen);
- len = convlen;
- if (tmpbuf != NULL)
- p = tmpbuf;
- convert_setup(&conv, NULL, NULL);
- }
- }
-
- else if (*type == compound_text_atom
- || *type == utf8_atom
- || (enc_dbcs != 0 && *type == text_atom))
- {
- XTextProperty text_prop;
- int n_text = 0;
- int status;
-
- text_prop.value = (unsigned char *)value;
- text_prop.encoding = *type;
- text_prop.format = *format;
- text_prop.nitems = len;
-#if defined(X_HAVE_UTF8_STRING)
- if (*type == utf8_atom)
- status = Xutf8TextPropertyToTextList(X_DISPLAY, &text_prop,
- &text_list, &n_text);
- else
-#endif
- status = XmbTextPropertyToTextList(X_DISPLAY, &text_prop,
- &text_list, &n_text);
- if (status != Success || n_text < 1)
- {
- *(int *)success = FALSE;
- return;
- }
- p = (char_u *)text_list[0];
- len = STRLEN(p);
- }
- clip_yank_selection(motion_type, p, (long)len, cbd);
-
- if (text_list != NULL)
- XFreeStringList(text_list);
- vim_free(tmpbuf);
- XtFree((char *)value);
- *(int *)success = TRUE;
-}
-
- void
-clip_x11_request_selection(
- Widget myShell,
- Display *dpy,
- Clipboard_T *cbd)
-{
- XEvent event;
- Atom type;
- static int success;
- int i;
- time_t start_time;
- int timed_out = FALSE;
-
- for (i = 0; i < 6; i++)
- {
- switch (i)
- {
- case 0: type = vimenc_atom; break;
- case 1: type = vim_atom; break;
- case 2: type = utf8_atom; break;
- case 3: type = compound_text_atom; break;
- case 4: type = text_atom; break;
- default: type = XA_STRING;
- }
- if (type == utf8_atom
-# if defined(X_HAVE_UTF8_STRING)
- && !enc_utf8
-# endif
- )
- // Only request utf-8 when 'encoding' is utf8 and
- // Xutf8TextPropertyToTextList is available.
- continue;
- success = MAYBE;
- XtGetSelectionValue(myShell, cbd->sel_atom, type,
- clip_x11_request_selection_cb, (XtPointer)&success, CurrentTime);
-
- // Make sure the request for the selection goes out before waiting for
- // a response.
- XFlush(dpy);
-
- /*
- * Wait for result of selection request, otherwise if we type more
- * characters, then they will appear before the one that requested the
- * paste! Don't worry, we will catch up with any other events later.
- */
- start_time = time(NULL);
- while (success == MAYBE)
- {
- if (XCheckTypedEvent(dpy, PropertyNotify, &event)
- || XCheckTypedEvent(dpy, SelectionNotify, &event)
- || XCheckTypedEvent(dpy, SelectionRequest, &event))
- {
- // This is where clip_x11_request_selection_cb() should be
- // called. It may actually happen a bit later, so we loop
- // until "success" changes.
- // We may get a SelectionRequest here and if we don't handle
- // it we hang. KDE klipper does this, for example.
- // We need to handle a PropertyNotify for large selections.
- XtDispatchEvent(&event);
- continue;
- }
-
- // Time out after 2 to 3 seconds to avoid that we hang when the
- // other process doesn't respond. Note that the SelectionNotify
- // event may still come later when the selection owner comes back
- // to life and the text gets inserted unexpectedly. Don't know
- // why that happens or how to avoid that :-(.
- if (time(NULL) > start_time + 2)
- {
- timed_out = TRUE;
- break;
- }
-
- // Do we need this? Probably not.
- XSync(dpy, False);
-
- // Wait for 1 msec to avoid that we eat up all CPU time.
- ui_delay(1L, TRUE);
- }
-
- if (success == TRUE)
- return;
-
- // don't do a retry with another type after timing out, otherwise we
- // hang for 15 seconds.
- if (timed_out)
- break;
- }
-
- // Final fallback position - use the X CUT_BUFFER0 store
- yank_cut_buffer0(dpy, cbd);
-}
-
- static Boolean
-clip_x11_convert_selection_cb(
- Widget w UNUSED,
- Atom *sel_atom,
- Atom *target,
- Atom *type,
- XtPointer *value,
- long_u *length,
- int *format)
-{
- static char_u *save_result = NULL;
- static long_u save_length = 0;
- char_u *string;
- int motion_type;
- Clipboard_T *cbd;
- int i;
-
- if (*sel_atom == clip_plus.sel_atom)
- cbd = &clip_plus;
- else
- cbd = &clip_star;
-
- if (!cbd->owned)
- return False; // Shouldn't ever happen
-
- // requestor wants to know what target types we support
- if (*target == targets_atom)
- {
- static Atom array[7];
-
- *value = (XtPointer)array;
- i = 0;
- array[i++] = targets_atom;
- array[i++] = vimenc_atom;
- array[i++] = vim_atom;
- if (enc_utf8)
- array[i++] = utf8_atom;
- array[i++] = XA_STRING;
- array[i++] = text_atom;
- array[i++] = compound_text_atom;
-
- *type = XA_ATOM;
- // This used to be: *format = sizeof(Atom) * 8; but that caused
- // crashes on 64 bit machines. (Peter Derr)
- *format = 32;
- *length = i;
- return True;
- }
-
- if ( *target != XA_STRING
- && *target != vimenc_atom
- && (*target != utf8_atom || !enc_utf8)
- && *target != vim_atom
- && *target != text_atom
- && *target != compound_text_atom)
- return False;
-
- clip_get_selection(cbd);
- motion_type = clip_convert_selection(&string, length, cbd);
- if (motion_type < 0)
- return False;
-
- // For our own format, the first byte contains the motion type
- if (*target == vim_atom)
- (*length)++;
-
- // Our own format with encoding: motion 'encoding' NUL text
- if (*target == vimenc_atom)
- *length += STRLEN(p_enc) + 2;
-
- if (save_length < *length || save_length / 2 >= *length)
- *value = XtRealloc((char *)save_result, (Cardinal)*length + 1);
- else
- *value = save_result;
- if (*value == NULL)
- {
- vim_free(string);
- return False;
- }
- save_result = (char_u *)*value;
- save_length = *length;
-
- if (*target == XA_STRING || (*target == utf8_atom && enc_utf8))
- {
- mch_memmove(save_result, string, (size_t)(*length));
- *type = *target;
- }
- else if (*target == compound_text_atom || *target == text_atom)
- {
- XTextProperty text_prop;
- char *string_nt = (char *)save_result;
- int conv_result;
-
- // create NUL terminated string which XmbTextListToTextProperty wants
- mch_memmove(string_nt, string, (size_t)*length);
- string_nt[*length] = NUL;
- conv_result = XmbTextListToTextProperty(X_DISPLAY, (char **)&string_nt,
- 1, XCompoundTextStyle, &text_prop);
- if (conv_result != Success)
- {
- vim_free(string);
- return False;
- }
- *value = (XtPointer)(text_prop.value); // from plain text
- *length = text_prop.nitems;
- *type = compound_text_atom;
- XtFree((char *)save_result);
- save_result = (char_u *)*value;
- save_length = *length;
- }
- else if (*target == vimenc_atom)
- {
- int l = STRLEN(p_enc);
-
- save_result[0] = motion_type;
- STRCPY(save_result + 1, p_enc);
- mch_memmove(save_result + l + 2, string, (size_t)(*length - l - 2));
- *type = vimenc_atom;
- }
- else
- {
- save_result[0] = motion_type;
- mch_memmove(save_result + 1, string, (size_t)(*length - 1));
- *type = vim_atom;
- }
- *format = 8; // 8 bits per char
- vim_free(string);
- return True;
-}
-
- static void
-clip_x11_lose_ownership_cb(Widget w UNUSED, Atom *sel_atom)
-{
- if (*sel_atom == clip_plus.sel_atom)
- clip_lose_selection(&clip_plus);
- else
- clip_lose_selection(&clip_star);
-}
-
- void
-clip_x11_lose_selection(Widget myShell, Clipboard_T *cbd)
-{
- XtDisownSelection(myShell, cbd->sel_atom,
- XtLastTimestampProcessed(XtDisplay(myShell)));
-}
-
- static void
-clip_x11_notify_cb(Widget w UNUSED, Atom *sel_atom UNUSED, Atom *target UNUSED)
-{
- // To prevent automatically freeing the selection value.
-}
-
- int
-clip_x11_own_selection(Widget myShell, Clipboard_T *cbd)
-{
- // When using the GUI we have proper timestamps, use the one of the last
- // event. When in the console we don't get events (the terminal gets
- // them), Get the time by a zero-length append, clip_x11_timestamp_cb will
- // be called with the current timestamp.
-#ifdef FEAT_GUI
- if (gui.in_use)
- {
- if (XtOwnSelection(myShell, cbd->sel_atom,
- XtLastTimestampProcessed(XtDisplay(myShell)),
- clip_x11_convert_selection_cb, clip_x11_lose_ownership_cb,
- clip_x11_notify_cb) == False)
- return FAIL;
- }
- else
-#endif
- {
- if (!XChangeProperty(XtDisplay(myShell), XtWindow(myShell),
- cbd->sel_atom, timestamp_atom, 32, PropModeAppend, NULL, 0))
- return FAIL;
- }
- // Flush is required in a terminal as nothing else is doing it.
- XFlush(XtDisplay(myShell));
- return OK;
-}
-
-/*
- * Send the current selection to the clipboard. Do nothing for X because we
- * will fill in the selection only when requested by another app.
- */
- void
-clip_x11_set_selection(Clipboard_T *cbd UNUSED)
-{
-}
-
-#if (defined(FEAT_X11) && defined(FEAT_XCLIPBOARD) && defined(USE_SYSTEM)) \
- || defined(PROTO)
- static int
-clip_x11_owner_exists(Clipboard_T *cbd)
-{
- return XGetSelectionOwner(X_DISPLAY, cbd->sel_atom) != None;
-}
-#endif
-#endif
-
-#if defined(FEAT_XCLIPBOARD) || defined(FEAT_GUI_X11) \
- || defined(FEAT_GUI_GTK) || defined(PROTO)
-/*
- * Get the contents of the X CUT_BUFFER0 and put it in "cbd".
- */
- void
-yank_cut_buffer0(Display *dpy, Clipboard_T *cbd)
-{
- int nbytes = 0;
- char_u *buffer = (char_u *)XFetchBuffer(dpy, &nbytes, 0);
-
- if (nbytes > 0)
- {
- int done = FALSE;
-
- // CUT_BUFFER0 is supposed to be always latin1. Convert to 'enc' when
- // using a multi-byte encoding. Conversion between two 8-bit
- // character sets usually fails and the text might actually be in
- // 'enc' anyway.
- if (has_mbyte)
- {
- char_u *conv_buf;
- vimconv_T vc;
-
- vc.vc_type = CONV_NONE;
- if (convert_setup(&vc, (char_u *)"latin1", p_enc) == OK)
- {
- conv_buf = string_convert(&vc, buffer, &nbytes);
- if (conv_buf != NULL)
- {
- clip_yank_selection(MCHAR, conv_buf, (long)nbytes, cbd);
- vim_free(conv_buf);
- done = TRUE;
- }
- convert_setup(&vc, NULL, NULL);
- }
- }
- if (!done) // use the text without conversion
- clip_yank_selection(MCHAR, buffer, (long)nbytes, cbd);
- XFree((void *)buffer);
- if (p_verbose > 0)
- {
- verbose_enter();
- verb_msg(_("Used CUT_BUFFER0 instead of empty selection"));
- verbose_leave();
- }
- }
-}
-#endif
-
#if defined(FEAT_GUI) || defined(MSWIN) || defined(PROTO)
/*
* Called when focus changed. Used for the GUI or for systems where this can
static int included_patches[] =
{ /* Add new patch number below this line */
+/**/
+ 443,
/**/
442,
/**/
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