From: ellson <devnull@localhost>
Date: Mon, 28 Feb 2005 18:38:37 +0000 (+0000)
Subject: reconnect mouse bindings
X-Git-Tag: LAST_LIBGRAPH~32^2~7858
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d6dbc90bc590e67857a939c5652172bc3b974906;p=graphviz

reconnect mouse bindings
---

diff --git a/lib/gvc/gvcint.h b/lib/gvc/gvcint.h
index 77740aad9..3a2ffb508 100644
--- a/lib/gvc/gvcint.h
+++ b/lib/gvc/gvcint.h
@@ -114,6 +114,7 @@ extern "C" {
 	pointf compscale;	/* composite device scale incl: scale, zoom, dpi, y_goes_down */
 	
 	boolean fit_mode, needs_refresh, click, active, has_grown;
+	double oldx, oldy;	/* old pointer position in pixels */
 
 	void *window;		/* display-specific data for gvrender plugin */
     };
@@ -129,6 +130,13 @@ extern "C" {
 	gvplugin_type_t *typeptr;
     };
 
+    typedef int (*gvevent_key_callback_t) (gvrender_job_t * job);
+
+    typedef struct gvevent_key_binding_s {
+	char *keystring;
+	gvevent_key_callback_t callback;
+    } gvevent_key_binding_t;
+
 #define MAXNEST 4
 
     struct GVC_s {
diff --git a/lib/gvc/gvevent.c b/lib/gvc/gvevent.c
index 67d79c6fb..152abec03 100644
--- a/lib/gvc/gvevent.c
+++ b/lib/gvc/gvevent.c
@@ -32,89 +32,27 @@
 #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;
-    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[] = {
-    {"Q", quit_cb},
-    {"Left", left_cb},
-    {"KP_Left", left_cb},
-    {"Right", right_cb},
-    {"KP_Right", right_cb},
-    {"Up", up_cb},
-    {"KP_Up", up_cb},
-    {"Down", down_cb},
-    {"KP_Down", down_cb},
-    {"plus", zoom_in_cb},
-    {"KP_Add", zoom_in_cb},
-    {"minus", zoom_out_cb},
-    {"KP_Subtract", zoom_out_cb},
-    {"F", toggle_fit_cb},
-};
-
 void gvevent_refresh(gvrender_job_t * job)
 {
     emit_graph(job->gvc, job->g);
 }
 
-#if 0
-
-void gvevent_grow_pixmap(gvrender_job_t * job)
+void gvevent_button_press(gvrender_job_t * job, int button, double x, double y)
 {
-
-    Pixmap new;
-#if 0
-    cairo_surface_t *surface;
-#endif
-
-    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;
-#if 0
-    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);
-#endif
-}
-
-void gvevent_button_press(gvrender_job_t * job, XButtonEvent *bev)
-{
-    switch (bev->button) {
+    switch (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->active = 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.)
+	job->focus.x +=  (x - job->width / 2.)
 		* (ZOOMFACTOR - 1.) / job->zoom;
-	job->focus.y += -(bev->y - job->height / 2.)
+	job->focus.y += -(y - job->height / 2.)
 		* (ZOOMFACTOR - 1.) / job->zoom;
 	job->zoom *= ZOOMFACTOR;
 	job->needs_refresh = 1;
@@ -122,21 +60,21 @@ void gvevent_button_press(gvrender_job_t * job, XButtonEvent *bev)
     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.)
+	job->focus.x -=  (x - job->width / 2.)
 		* (ZOOMFACTOR - 1.) / job->zoom;
-	job->focus.y -= -(bev->y - job->height / 2.)
+	job->focus.y -= -(y - job->height / 2.)
 		* (ZOOMFACTOR - 1.) / job->zoom;
 	job->needs_refresh = 1;
 	break;
     }
-    job->oldx = bev->x;
-    job->oldy = bev->y;
+    job->oldx = x;
+    job->oldy = y;
 }
 
-void gvevent_motion(gvrender_job_t * job, XMotionEvent *mev)
+void gvevent_motion(gvrender_job_t * job, double x, double y)
 {
-    double dx = mev->x - job->oldx;
-    double dy = mev->y - job->oldy;
+    double dx = x - job->oldx;
+    double dy = y - job->oldy;
 
     if (abs(dx) < EPSILON && abs(dy) < EPSILON)  /* ignore motion events with no motion */
 	return;
@@ -156,78 +94,16 @@ void gvevent_motion(gvrender_job_t * job, XMotionEvent *mev)
     case 3: /* drag with button 3 - unused */
 	break;
     }
-    job->oldx = mev->x;
-    job->oldy = mev->y;
+    job->oldx = x;
+    job->oldy = y;
 }
 
-void gvevent_button_release(gvrender_job_t *job, XButtonEvent *bev)
+void gvevent_button_release(gvrender_job_t *job, int button, double x, double y)
 {
     job->click = 0;
     job->active = 0;
 }
 
-int gvevent_key_press(gvrender_job_t * job, XKeyEvent * kev)
-{
-#if 0
-    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);
-#endif
-    return 0;
-}
-
-static void gvevent_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)
-	gvevent_grow_pixmap(job);
-    job->needs_refresh = 1;
-}
-
-static void gvevent_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);
-
-    gvevent_reconfigure_normal(job, width, height);
-}
-
-void gvevent_configure(gvrender_job_t * job, XConfigureEvent * cev)
-{
-    if (job->fit_mode)
-	gvevent_reconfigure_fit_mode(job, cev->width, cev->height);
-    else
-	gvevent_reconfigure_normal(job, cev->width, cev->height);
-}
-
-void gvevent_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);
-}
-
-void gvevent_client_message(gvrender_job_t * job, XClientMessageEvent * cmev)
-{
-    if (cmev->format == 32
-	&& (Atom) cmev->data.l[0] == job->wm_delete_window_atom)
-	exit(0);
-}
-#endif
-
 static int quit_cb(gvrender_job_t * job)
 {
     return 1;
@@ -297,3 +173,20 @@ static int toggle_fit_cb(gvrender_job_t * job)
     }
     return 0;
 }
+
+gvevent_key_binding_t gvevent_key_binding[] = {
+    {"Q", quit_cb},
+    {"Left", left_cb},
+    {"KP_Left", left_cb},
+    {"Right", right_cb},
+    {"KP_Right", right_cb},
+    {"Up", up_cb},
+    {"KP_Up", up_cb},
+    {"Down", down_cb},
+    {"KP_Down", down_cb},
+    {"plus", zoom_in_cb},
+    {"KP_Add", zoom_in_cb},
+    {"minus", zoom_out_cb},
+    {"KP_Subtract", zoom_out_cb},
+    {"F", toggle_fit_cb},
+};
diff --git a/lib/gvc/gvplugin_render.h b/lib/gvc/gvplugin_render.h
index 4d22e3f9f..0ac9cfcdb 100644
--- a/lib/gvc/gvplugin_render.h
+++ b/lib/gvc/gvplugin_render.h
@@ -64,6 +64,9 @@ extern "C" {
 
 /* callbacks */
     extern void gvevent_refresh(gvrender_job_t * job);
+    extern void gvevent_button_press(gvrender_job_t * job, int button, double x, double y);
+    extern void gvevent_button_release(gvrender_job_t * job, int button, double x, double y);
+    extern void gvevent_motion(gvrender_job_t * job, double x, double y);
 
 #ifdef __cplusplus
 }