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authorChristopher James Lahey <clahey@ximian.com>2002-04-18 03:38:27 +0800
committerChris Lahey <clahey@src.gnome.org>2002-04-18 03:38:27 +0800
commit822505f93b2211eb209c7644156858b7bc83ef50 (patch)
tree1774e96e25912dc7e16296370e4b96bb3c9652ba /widgets
parentea772d632da26ac497b11463ae2a870ecabfbb67 (diff)
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If there is a grabbed_item, send all events to it.
2002-04-17 Christopher James Lahey <clahey@ximian.com> * gal/widgets/e-canvas.c (emit_event): If there is a grabbed_item, send all events to it. svn path=/trunk/; revision=16492
Diffstat (limited to 'widgets')
-rw-r--r--widgets/misc/e-canvas.c42
1 files changed, 20 insertions, 22 deletions
diff --git a/widgets/misc/e-canvas.c b/widgets/misc/e-canvas.c
index 50443a4364..594591f011 100644
--- a/widgets/misc/e-canvas.c
+++ b/widgets/misc/e-canvas.c
@@ -51,6 +51,8 @@ static int emit_event (GnomeCanvas *canvas, GdkEvent *event);
static GnomeCanvasClass *parent_class = NULL;
+#define d(x)
+
enum {
REFLOW,
LAST_SIGNAL
@@ -163,17 +165,6 @@ e_canvas_new ()
}
-/* Returns whether the item is an inferior of or is equal to the parent. */
-static int
-is_descendant (GnomeCanvasItem *item, GnomeCanvasItem *parent)
-{
- for (; item; item = item->parent)
- if (item == parent)
- return TRUE;
-
- return FALSE;
-}
-
/* Emits an event for an item in the canvas, be it the current item, grabbed
* item, or focused item, as appropriate.
*/
@@ -186,10 +177,18 @@ emit_event (GnomeCanvas *canvas, GdkEvent *event)
GnomeCanvasItem *parent;
guint mask;
- /* Perform checks for grabbed items */
+ /* Choose where we send the event */
- if (canvas->grabbed_item && !is_descendant (canvas->current_item, canvas->grabbed_item))
- return FALSE;
+ item = canvas->current_item;
+
+ if (canvas->focused_item
+ && ((event->type == GDK_KEY_PRESS) || (event->type == GDK_KEY_RELEASE) || (event->type == GDK_FOCUS_CHANGE)))
+ item = canvas->focused_item;
+
+ if (canvas->grabbed_item)
+ item = canvas->grabbed_item;
+
+ /* Perform checks for grabbed items */
if (canvas->grabbed_item) {
switch (event->type) {
@@ -260,14 +259,6 @@ emit_event (GnomeCanvas *canvas, GdkEvent *event)
break;
}
- /* Choose where we send the event */
-
- item = canvas->current_item;
-
- if (canvas->focused_item
- && ((event->type == GDK_KEY_PRESS) || (event->type == GDK_KEY_RELEASE) || (event->type == GDK_FOCUS_CHANGE)))
- item = canvas->focused_item;
-
/* The event is propagated up the hierarchy (for if someone connected to
* a group instead of a leaf event), and emission is stopped if a
* handler returns TRUE, just like for GtkWidget events.
@@ -368,6 +359,7 @@ pick_current_item (GnomeCanvas *canvas, GdkEvent *event)
| GDK_BUTTON3_MASK
| GDK_BUTTON4_MASK
| GDK_BUTTON5_MASK);
+ d(g_print ("%s:%d: button_down = %s\n", __FUNCTION__, __LINE__, button_down ? "TRUE" : "FALSE"));
if (!button_down)
canvas->left_grabbed_item = FALSE;
@@ -506,6 +498,12 @@ e_canvas_button (GtkWidget *widget, GdkEventButton *event)
canvas = GNOME_CANVAS (widget);
+ d(g_print ("button %d, event type %d, grabbed=%p, current=%p\n",
+ event->button,
+ event->type,
+ canvas->grabbed_item,
+ canvas->current_item));
+
/* dispatch normally regardless of the event's window if an item has
has a pointer grab in effect */
if (!canvas->grabbed_item && event->window != canvas->layout.bin_window)