+++ /dev/null
-/* $Id$ $Revision$ */
-/* vim:set shiftwidth=4 ts=8: */
-
-/**********************************************************
-* This software is part of the graphviz package *
-* http://www.graphviz.org/ *
-* *
-* Copyright (c) 1994-2004 AT&T Corp. *
-* and is licensed under the *
-* Common Public License, Version 1.0 *
-* by AT&T Corp. *
-* *
-* Information and Software Systems Research *
-* AT&T Research, Florham Park NJ *
-**********************************************************/
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <stdio.h>
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#ifdef HAVE_STRING_H
-#include <string.h>
-#endif
-
-#include "const.h"
-#include "types.h"
-#include "macros.h"
-
-#include "gvc.h"
-
-extern void emit_graph(GVC_t * gvc, graph_t * g);
-
-//#if !defined(X_DISPLAY_MISSING) && !defined(DISABLE_GVRENDER) && defined(HAVE_CAIRO)
-#if 0
-
-#include <cairo.h>
-
-#ifdef CAIRO_HAS_XLIB_SURFACE
-#include <cairo-xlib.h>
-
-#define PANFACTOR 10
-#define ZOOMFACTOR 1.1
-#define EPSILON .0001
-
-#define ARRAY_SIZE(A) (sizeof(A)/sizeof(A[0]))
-
-typedef int (*key_callback_t) (gvrender_job_t * job);
-
-typedef struct key_binding {
- char *key;
- int is_alias;
- KeyCode keycode;
- key_callback_t callback;
-} key_binding_t;
-
-/* callbacks */
-static int quit_cb(gvrender_job_t * job);
-static int left_cb(gvrender_job_t * job);
-static int right_cb(gvrender_job_t * job);
-static int up_cb(gvrender_job_t * job);
-static int down_cb(gvrender_job_t * job);
-static int zoom_in_cb(gvrender_job_t * job);
-static int zoom_out_cb(gvrender_job_t * job);
-static int toggle_fit_cb(gvrender_job_t * job);
-
-static key_binding_t key_binding[] = {
- /* Keysym, Alias, Keycode, callback */
- {"Q", 0, 0, quit_cb},
- {"Left", 0, 0, left_cb},
- {"KP_Left", 0, 0, left_cb},
- {"Right", 0, 0, right_cb},
- {"KP_Right", 0, 0, right_cb},
- {"Up", 0, 0, up_cb},
- {"KP_Up", 0, 0, up_cb},
- {"Down", 0, 0, down_cb},
- {"KP_Down", 0, 0, down_cb},
- {"plus", 0, 0, zoom_in_cb},
- {"KP_Add", 0, 0, zoom_in_cb},
- {"minus", 0, 0, zoom_out_cb},
- {"KP_Subtract", 0, 0, zoom_out_cb},
- {"F", 0, 0, toggle_fit_cb},
-};
-
-static Visual *find_argb_visual(Display * dpy, int scr)
-{
- XVisualInfo *xvi;
- XVisualInfo template;
- int nvi;
- int i;
- XRenderPictFormat *format;
- Visual *visual;
-
- template.screen = scr;
- template.depth = 32;
- template.class = TrueColor;
- xvi = XGetVisualInfo(dpy,
- VisualScreenMask |
- VisualDepthMask |
- VisualClassMask, &template, &nvi);
- if (!xvi)
- return 0;
- visual = 0;
- for (i = 0; i < nvi; i++) {
- format = XRenderFindVisualFormat(dpy, xvi[i].visual);
- if (format->type == PictTypeDirect && format->direct.alphaMask) {
- visual = xvi[i].visual;
- break;
- }
- }
-
- XFree(xvi);
- return visual;
-}
-
-static void win_init(gvrender_job_t * job, int argb, const char *geometry,
- const char *base)
-{
- unsigned int i;
- XGCValues gcv;
- XSetWindowAttributes attributes;
- XWMHints *wmhints;
- XSizeHints *normalhints;
- XClassHint *classhint;
- unsigned long attributemask = 0;
- cairo_surface_t *surface;
- char *name;
- Display *dpy;
- int scr;
-
- job->surface = cairo_create();
- job->external_surface = TRUE;
-
- dpy = job->dpy;
- job->scr = scr = DefaultScreen(dpy);
-
- job->fit_mode = 0;
- job->needs_refresh = 1;
-
- if (argb && (job->visual = find_argb_visual(dpy, scr))) {
- job->cmap = XCreateColormap(dpy, RootWindow(dpy, scr),
- job->visual, AllocNone);
- attributes.override_redirect = False;
- attributes.background_pixel = 0;
- attributes.border_pixel = 0;
- attributes.colormap = job->cmap;
- attributemask = (CWBackPixel |
- CWBorderPixel | CWOverrideRedirect | CWColormap);
- job->depth = 32;
- } else {
- job->cmap = DefaultColormap(dpy, scr);
- job->visual = DefaultVisual(dpy, scr);
- attributes.background_pixel = WhitePixel(dpy, scr);
- attributes.border_pixel = BlackPixel(dpy, scr);
- attributemask = (CWBackPixel | CWBorderPixel);
- job->depth = DefaultDepth(dpy, scr);
- }
-
- if (geometry) {
- int x, y;
- XParseGeometry(geometry, &x, &y, &job->width, &job->height);
- }
-
- job->win = XCreateWindow(dpy, RootWindow(dpy, scr),
- 0, 0, job->width, job->height, 0, job->depth,
- InputOutput, job->visual,
- attributemask, &attributes);
-
- name = malloc(strlen("graphviz: ") + strlen(base) + 1);
- strcpy(name, "graphviz: ");
- strcat(name, base);
-
- normalhints = XAllocSizeHints();
- normalhints->flags = 0;
- normalhints->x = 0;
- normalhints->y = 0;
- normalhints->width = job->width;
- normalhints->height = job->height;
-
- classhint = XAllocClassHint();
- classhint->res_name = "graphviz";
- classhint->res_class = "Graphviz";
-
- wmhints = XAllocWMHints();
- wmhints->flags = InputHint;
- wmhints->input = True;
-
- Xutf8SetWMProperties(dpy, job->win, name, base, 0, 0,
- normalhints, wmhints, classhint);
- XFree(wmhints);
- XFree(classhint);
- XFree(normalhints);
- free(name);
-
- job->pix =
- XCreatePixmap(dpy, job->win, job->width, job->height, job->depth);
- if (argb)
- gcv.foreground = 0;
- else
- gcv.foreground = WhitePixel(dpy, scr);
- job->gc = XCreateGC(dpy, job->pix, GCForeground, &gcv);
- XFillRectangle(dpy, job->pix, job->gc, 0, 0, job->width, job->height);
-
- for (i = 0; i < ARRAY_SIZE(key_binding); i++) {
- KeySym keysym;
- keysym = XStringToKeysym(key_binding[i].key);
- if (keysym == NoSymbol)
- fprintf(stderr, "ERROR: No keysym for \"%s\"\n",
- key_binding[i].key);
- else
- key_binding[i].keycode = XKeysymToKeycode(dpy, keysym);
- }
- surface = cairo_xlib_surface_create(dpy, job->pix, job->visual,
- CAIRO_FORMAT_ARGB32, job->cmap);
- cairo_set_target_surface(job->surface, surface);
- cairo_surface_destroy(surface);
-
- /* XXX: This probably doesn't need to be here (eventually) */
- cairo_set_rgb_color(job->surface, 1, 1, 1);
- job->event_mask = (
- ButtonPressMask
- | ButtonReleaseMask
- | PointerMotionMask
- | KeyPressMask
- | StructureNotifyMask
- | ExposureMask);
- XSelectInput(dpy, job->win, job->event_mask);
- job->wm_delete_window_atom =
- XInternAtom(dpy, "WM_DELETE_WINDOW", False);
- XSetWMProtocols(dpy, job->win, &job->wm_delete_window_atom, 1);
- XMapWindow(dpy, job->win);
-
- job->click = 0;
- job->active = 0;
-}
-
-static void win_deinit(gvrender_job_t * job)
-{
- XFreeGC(job->dpy, job->gc);
- XDestroyWindow(job->dpy, job->win);
- cairo_destroy(job->surface);
- job->external_surface = FALSE;
-}
-
-static void win_refresh(gvrender_job_t * job)
-{
- XFillRectangle(job->dpy, job->pix, job->gc, 0, 0,
- job->width, job->height);
-
- emit_graph(job->gvc, job->g);
-
- XCopyArea(job->dpy, job->pix, job->win, job->gc,
- 0, 0, job->width, job->height, 0, 0);
-}
-
-static void win_grow_pixmap(gvrender_job_t * job)
-{
- Pixmap new;
- cairo_surface_t *surface;
-
- new = XCreatePixmap(job->dpy, job->win, job->width, job->height,
- job->depth);
- XFillRectangle(job->dpy, new, job->gc, 0, 0,
- job->width, job->height);
- XCopyArea(job->dpy, job->pix, new, job->gc, 0, 0,
- job->width, job->height, 0, 0);
- XFreePixmap(job->dpy, job->pix);
- job->pix = new;
- surface = cairo_xlib_surface_create(job->dpy, job->pix, job->visual,
- CAIRO_FORMAT_ARGB32, job->cmap);
- cairo_set_target_surface(job->surface, surface);
- cairo_surface_destroy(surface);
-}
-
-static void win_handle_button_press(gvrender_job_t * job, XButtonEvent *bev)
-{
- switch (bev->button) {
- case 1: /* select / create in edit mode */
- case 2: /* pan */
- case 3: /* / delete in edit mode */
- job->click = 1;
- job->active = bev->button;
- job->needs_refresh = 1;
- break;
- case 4:
- /* scrollwheel zoom in at current mouse x,y */
- job->fit_mode = 0;
- job->focus.x += (bev->x - job->width / 2.)
- * (ZOOMFACTOR - 1.) / job->zoom;
- job->focus.y += -(bev->y - job->height / 2.)
- * (ZOOMFACTOR - 1.) / job->zoom;
- job->zoom *= ZOOMFACTOR;
- job->needs_refresh = 1;
- break;
- case 5: /* scrollwheel zoom out at current mouse x,y */
- job->fit_mode = 0;
- job->zoom /= ZOOMFACTOR;
- job->focus.x -= (bev->x - job->width / 2.)
- * (ZOOMFACTOR - 1.) / job->zoom;
- job->focus.y -= -(bev->y - job->height / 2.)
- * (ZOOMFACTOR - 1.) / job->zoom;
- job->needs_refresh = 1;
- break;
- }
- job->oldx = bev->x;
- job->oldy = bev->y;
-}
-
-static void win_handle_motion(gvrender_job_t * job, XMotionEvent *mev)
-{
- double dx = mev->x - job->oldx;
- double dy = mev->y - job->oldy;
-
- if (abs(dx) < EPSILON && abs(dy) < EPSILON) /* ignore motion events with no motion */
- return;
-
- switch (job->active) {
- case 0: /* drag with no button - */
- return;
- break;
- case 1: /* drag with button 1 - drag object */
- /* FIXME - to be implemented */
- break;
- case 2: /* drag with button 2 - pan graph */
- job->focus.x -= dx / job->zoom;
- job->focus.y -= -dy / job->zoom;
- job->needs_refresh = 1;
- break;
- case 3: /* drag with button 3 - unused */
- break;
- }
- job->oldx = mev->x;
- job->oldy = mev->y;
-}
-
-static void win_handle_button_release(gvrender_job_t *job, XButtonEvent *bev)
-{
- job->click = 0;
- job->active = 0;
-}
-
-static int win_handle_key_press(gvrender_job_t * job, XKeyEvent * kev)
-{
- unsigned int i;
-
- for (i = 0; i < ARRAY_SIZE(key_binding); i++)
- if (key_binding[i].keycode == kev->keycode)
- return (key_binding[i].callback) (job);
- return 0;
-}
-
-static void win_reconfigure_normal(gvrender_job_t * job, unsigned int width,
- unsigned int height)
-{
- int has_grown = 0;
-
- if (width > job->width || height > job->height)
- has_grown = 1;
- job->width = width;
- job->height = height;
- if (has_grown)
- win_grow_pixmap(job);
- job->needs_refresh = 1;
-}
-
-static void
-win_reconfigure_fit_mode(gvrender_job_t * job, unsigned int width,
- unsigned int height)
-{
- int dflt_width, dflt_height;
-
- dflt_width = job->width;
- dflt_height = job->height;
- job->zoom =
- MIN((double) width / (double) dflt_width,
- (double) height / (double) dflt_height);
-
- win_reconfigure_normal(job, width, height);
-}
-
-static void win_handle_configure(gvrender_job_t * job, XConfigureEvent * cev)
-{
- if (job->fit_mode)
- win_reconfigure_fit_mode(job, cev->width, cev->height);
- else
- win_reconfigure_normal(job, cev->width, cev->height);
-}
-
-static void win_handle_expose(gvrender_job_t * job, XExposeEvent * eev)
-{
- XCopyArea(job->dpy, job->pix, job->win, job->gc,
- eev->x, eev->y, eev->width, eev->height, eev->x, eev->y);
-}
-
-static void win_handle_client_message(gvrender_job_t * job, XClientMessageEvent * cmev)
-{
- if (cmev->format == 32
- && (Atom) cmev->data.l[0] == job->wm_delete_window_atom)
- exit(0);
-}
-
-static void win_handle_events(gvrender_job_t *job)
-{
- int done;
- XEvent xev;
-
- while (1) {
- if (!XPending(job->dpy) && job->needs_refresh) {
- win_refresh(job);
- job->needs_refresh = 0;
- }
-
- XNextEvent(job->dpy, &xev);
-
- switch (xev.xany.type) {
- case ButtonPress:
- win_handle_button_press(job, &xev.xbutton);
- break;
- case MotionNotify:
- win_handle_motion(job, &xev.xmotion);
- break;
- case ButtonRelease:
- win_handle_button_release(job, &xev.xbutton);
- break;
- case KeyPress:
- done = win_handle_key_press(job, &xev.xkey);
- if (done)
- return;
- break;
- case ConfigureNotify:
- win_handle_configure(job, &xev.xconfigure);
- break;
- case Expose:
- win_handle_expose(job, &xev.xexpose);
- break;
- case ClientMessage:
- win_handle_client_message(job, &xev.xclient);
- break;
- }
- }
-}
-
-static int quit_cb(gvrender_job_t * job)
-{
- return 1;
-}
-
-static int left_cb(gvrender_job_t * job)
-{
- job->fit_mode = 0;
- job->focus.x += PANFACTOR / job->zoom;
- job->needs_refresh = 1;
- return 0;
-}
-
-static int right_cb(gvrender_job_t * job)
-{
- job->fit_mode = 0;
- job->focus.x -= PANFACTOR / job->zoom;
- job->needs_refresh = 1;
- return 0;
-}
-
-static int up_cb(gvrender_job_t * job)
-{
- job->fit_mode = 0;
- job->focus.y += -(PANFACTOR / job->zoom);
- job->needs_refresh = 1;
- return 0;
-}
-
-static int down_cb(gvrender_job_t * job)
-{
- job->fit_mode = 0;
- job->focus.y -= -(PANFACTOR / job->zoom);
- job->needs_refresh = 1;
- return 0;
-}
-
-static int zoom_in_cb(gvrender_job_t * job)
-{
- job->fit_mode = 0;
- job->zoom *= ZOOMFACTOR;
- job->needs_refresh = 1;
- return 0;
-}
-
-static int zoom_out_cb(gvrender_job_t * job)
-{
- job->fit_mode = 0;
- job->zoom /= ZOOMFACTOR;
- job->needs_refresh = 1;
- return 0;
-}
-
-static int toggle_fit_cb(gvrender_job_t * job)
-{
- job->fit_mode = !job->fit_mode;
- if (job->fit_mode) {
- int dflt_width, dflt_height;
- dflt_width = job->width;
- dflt_height = job->height;
- job->zoom =
- MIN((double) job->width / (double) dflt_width,
- (double) job->height / (double) dflt_height);
- job->focus.x = 0.0;
- job->focus.y = 0.0;
- job->needs_refresh = 1;
- }
- return 0;
-}
-#endif /* CAIRO_HAS_XLIB_SURFACE */
-#endif /* X_DISPLAY_MISSING */
-
-void gvemit_graph(GVC_t * gvc, graph_t * g)
-{
- gvrender_job_t *job = gvc->job;
- int flags = gvc->job->flags;
-
- if (flags & GVRENDER_X11_EVENTS) {
-//#ifdef CAIRO_HAS_XLIB_SURFACE
-#if 0
-
- const char *display=NULL;
- int argb=0;
- const char *geometry=NULL;
-
- job->dpy = XOpenDisplay(display);
- if (job->dpy == NULL) {
- fprintf(stderr, "Failed to open display: %s\n",
- XDisplayName(display));
- return;
- }
-
- win_init(job, argb, geometry, gvc->layout_type);
-
- win_handle_events(job);
-
- win_deinit(job);
-
- XCloseDisplay(job->dpy);
-#else
- fprintf(stderr,"No X11 support available\n");
-#endif
- }
- else {
- emit_graph(job->gvc, job->g);
- }
-}
projects / graphviz / commitdiff