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DND keynav support:

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2006-02-17  Matthias Clasen  <mclasen@redhat.com>

        DND keynav support:

        * gtk/gtkdnd.c (gtk_drag_update_idle): Protect against
        info->last_event being NULL.
        (gtk_drag_key_cb): Handle arrow keys to move the drag icon
        and space or enter to drop.
This commit is contained in:
Matthias Clasen 2006-02-17 16:47:29 +00:00 committed by Matthias Clasen
parent ba6a8de664
commit 94cb364cf6
3 changed files with 95 additions and 29 deletions
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9
ChangeLog
View File

@ -1,3 +1,12 @@
2006-02-17 Matthias Clasen <mclasen@redhat.com>
DND keynav support:
* gtk/gtkdnd.c (gtk_drag_update_idle): Protect against
info->last_event being NULL.
(gtk_drag_key_cb): Handle arrow keys to move the drag icon
and space or enter to drop.
2006-02-17 Matthias Clasen <mclasen@redhat.com>
* gdk/gdkregion-generic.c (gdk_region_union_with_rect):

9
ChangeLog.pre-2-10
View File

@ -1,3 +1,12 @@
2006-02-17 Matthias Clasen <mclasen@redhat.com>
DND keynav support:
* gtk/gtkdnd.c (gtk_drag_update_idle): Protect against
info->last_event being NULL.
(gtk_drag_key_cb): Handle arrow keys to move the drag icon
and space or enter to drop.
2006-02-17 Matthias Clasen <mclasen@redhat.com>
* gdk/gdkregion-generic.c (gdk_region_union_with_rect):

106
gtk/gtkdnd.c
View File

@ -3199,8 +3199,7 @@ _gtk_drag_source_handle_event (GtkWidget *widget,
info->cursor = cursor;
}
if (info->last_event)
gtk_drag_add_update_idle (info);
gtk_drag_add_update_idle (info);
}
}
break;
@ -3681,32 +3680,36 @@ gtk_drag_update_idle (gpointer data)
info->update_idle = 0;
time = gtk_drag_get_event_time (info->last_event);
gtk_drag_get_event_actions (info->last_event,
info->button,
info->possible_actions,
&action, &possible_actions);
gtk_drag_update_icon (info);
gdk_drag_find_window_for_screen (info->context,
info->icon_window ? info->icon_window->window : NULL,
info->cur_screen, info->cur_x, info->cur_y,
&dest_window, &protocol);
if (!gdk_drag_motion (info->context, dest_window, protocol,
info->cur_x, info->cur_y, action,
possible_actions,
time))
if (info->last_event)
{
gdk_event_free ((GdkEvent *)info->last_event);
info->last_event = NULL;
}
time = gtk_drag_get_event_time (info->last_event);
gtk_drag_get_event_actions (info->last_event,
info->button,
info->possible_actions,
&action, &possible_actions);
gtk_drag_update_icon (info);
gdk_drag_find_window_for_screen (info->context,
info->icon_window ? info->icon_window->window : NULL,
info->cur_screen, info->cur_x, info->cur_y,
&dest_window, &protocol);
if (!gdk_drag_motion (info->context, dest_window, protocol,
info->cur_x, info->cur_y, action,
possible_actions,
time))
{
gdk_event_free ((GdkEvent *)info->last_event);
info->last_event = NULL;
}
if (dest_window)
g_object_unref (dest_window);
if (dest_window)
g_object_unref (dest_window);
selection = gdk_drag_get_selection (info->context);
if (selection)
gtk_drag_source_check_selection (info, selection, time);
selection = gdk_drag_get_selection (info->context);
if (selection)
gtk_drag_source_check_selection (info, selection, time);
}
GDK_THREADS_LEAVE ();
@ -3886,6 +3889,9 @@ gtk_drag_motion_cb (GtkWidget *widget,
* results:
*************************************************************/
#define BIG_STEP 20
#define SMALL_STEP 1
static gint
gtk_drag_key_cb (GtkWidget *widget,
GdkEventKey *event,
@ -3894,15 +3900,48 @@ gtk_drag_key_cb (GtkWidget *widget,
GtkDragSourceInfo *info = (GtkDragSourceInfo *)data;
GdkModifierType state;
GdkWindow *root_window;
gint dx, dy;
dx = dy = 0;
state = event->state & gtk_accelerator_get_default_mod_mask ();
if (event->type == GDK_KEY_PRESS)
{
if (event->keyval == GDK_Escape)
switch (event->keyval)
{
case GDK_Escape:
gtk_drag_cancel (info, event->time);
return TRUE;
case GDK_space:
case GDK_Return:
case GDK_KP_Enter:
case GDK_KP_Space:
gtk_drag_end (info, event->time);
gtk_drag_drop (info, event->time);
return TRUE;
case GDK_Up:
case GDK_KP_Up:
dy = (state & GDK_MOD1_MASK) ? -BIG_STEP : -SMALL_STEP;
break;
case GDK_Down:
case GDK_KP_Down:
dy = (state & GDK_MOD1_MASK) ? BIG_STEP : SMALL_STEP;
break;
case GDK_Left:
case GDK_KP_Left:
dx = (state & GDK_MOD1_MASK) ? -BIG_STEP : -SMALL_STEP;
break;
case GDK_Right:
case GDK_KP_Right:
dx = (state & GDK_MOD1_MASK) ? BIG_STEP : SMALL_STEP;
break;
}
}
/* Now send a "motion" so that the modifier state is updated */
@ -3913,8 +3952,17 @@ gtk_drag_key_cb (GtkWidget *widget,
*/
root_window = gtk_widget_get_root_window (widget);
gdk_window_get_pointer (root_window, NULL, NULL, &state);
event->state = state;
if (dx != 0 || dy != 0)
{
info->cur_x += dx;
info->cur_y += dy;
gdk_display_warp_pointer (gtk_widget_get_display (widget),
gtk_widget_get_screen (widget),
info->cur_x, info->cur_y);
}
gtk_drag_update (info, info->cur_screen, info->cur_x, info->cur_y, (GdkEvent *)event);
return TRUE;