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authorChristian Persch <chpe@cvs.gnome.org>2005-08-28 21:51:13 +0800
committerChristian Persch <chpe@src.gnome.org>2005-08-28 21:51:13 +0800
commited45c4e754387009f261f46565da823837095f5b (patch)
tree3688f1b4d6ce89d336d5f86da6f2dffdddbe2044 /src
parent9acbc44f12e4db912061ac42a0099c1439a530c8 (diff)
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Fix pointer grab lockup when gecko pops up a dialogue.
2005-08-28 Christian Persch <chpe@cvs.gnome.org> * src/ephy-notebook.c: (drag_stop), (grab_broken_event_cb), (grab_notify_cb), (toplevel_motion_notify_cb), (toplevel_button_release_cb), (drag_start), (motion_notify_cb), (move_tab_to_another_notebook), (button_release_cb), (button_press_cb): Fix pointer grab lockup when gecko pops up a dialogue.
Diffstat (limited to 'src')
-rw-r--r--src/ephy-notebook.c297
1 files changed, 210 insertions, 87 deletions
diff --git a/src/ephy-notebook.c b/src/ephy-notebook.c
index d2ec4691b..3f2c0d49b 100644
--- a/src/ephy-notebook.c
+++ b/src/ephy-notebook.c
@@ -69,6 +69,10 @@ struct _EphyNotebookPrivate
GtkTooltips *title_tips;
guint tabs_vis_notifier_id;
gulong motion_notify_handler_id;
+ gulong grab_notify_handler_id;
+ gulong toplevel_grab_broken_handler_id;
+ gulong toplevel_motion_notify_handler_id;
+ gulong toplevel_button_release_handler_id;
int x_start;
int y_start;
@@ -84,6 +88,8 @@ static void move_tab_to_another_notebook (EphyNotebook *src,
EphyNotebook *dest,
GdkEventMotion *event,
int dest_position);
+static void move_tab (EphyNotebook *notebook,
+ int dest_position);
/* Local variables */
static GdkCursor *cursor = NULL;
@@ -436,42 +442,213 @@ ephy_notebook_move_tab (EphyNotebook *src,
}
static void
-drag_start (EphyNotebook *notebook,
- guint32 time)
+drag_stop (EphyNotebook *notebook,
+ guint32 time)
{
- notebook->priv->drag_in_progress = TRUE;
+ EphyNotebookPrivate *priv = notebook->priv;
+ GtkWidget *widget = GTK_WIDGET (notebook);
+ GtkWidget *toplevel, *child;
- /* get a new cursor, if necessary */
- /* FIXME multi-head */
- if (!cursor) cursor = gdk_cursor_new (GDK_FLEUR);
+ if (priv->drag_in_progress)
+ {
+ LOG ("Drag Stop");
- /* grab the pointer */
- gtk_grab_add (GTK_WIDGET (notebook));
- /* FIXME multi-head */
- if (!gdk_pointer_is_grabbed ())
+ toplevel = gtk_widget_get_toplevel (widget);
+ g_return_if_fail (GTK_WIDGET_TOPLEVEL (toplevel));
+
+ child = gtk_bin_get_child (GTK_BIN (toplevel));
+ g_return_if_fail (child != NULL);
+
+ /* disconnect the signals before ungrabbing! */
+ if (priv->toplevel_grab_broken_handler_id != 0)
+ {
+ g_signal_handler_disconnect (toplevel,
+ priv->toplevel_grab_broken_handler_id);
+ priv->toplevel_grab_broken_handler_id = 0;
+ }
+ if (priv->grab_notify_handler_id != 0)
+ {
+ g_signal_handler_disconnect (notebook,
+ priv->grab_notify_handler_id);
+ priv->grab_notify_handler_id = 0;
+ }
+ if (priv->toplevel_motion_notify_handler_id != 0)
+ {
+ g_signal_handler_disconnect (toplevel,
+ priv->toplevel_motion_notify_handler_id);
+ priv->toplevel_motion_notify_handler_id = 0;
+ }
+ if (priv->toplevel_button_release_handler_id != 0)
+ {
+ g_signal_handler_disconnect (toplevel,
+ priv->toplevel_button_release_handler_id);
+ priv->toplevel_button_release_handler_id = 0;
+ }
+
+ /* ungrab the pointer if it's grabbed */
+ /* FIXME multihead */
+ if (gdk_pointer_is_grabbed ())
+ {
+ gdk_pointer_ungrab (time);
+ }
+
+ gtk_grab_remove (toplevel);
+
+ g_signal_emit (G_OBJECT (notebook), signals[TABS_REORDERED], 0);
+ }
+
+ if (priv->motion_notify_handler_id != 0)
{
- gdk_pointer_grab (GTK_WIDGET (notebook)->window,
- FALSE,
- GDK_BUTTON1_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
- NULL, cursor, time);
+ g_signal_handler_disconnect (notebook,
+ priv->motion_notify_handler_id);
+ priv->motion_notify_handler_id = 0;
}
+
+ priv->drag_in_progress = FALSE;
+}
+
+static gboolean
+grab_broken_event_cb (GtkWidget *widget,
+ GdkEventGrabBroken *event,
+ EphyNotebook *notebook)
+{
+ LOG ("Grab Broken [%p]", notebook);
+
+ drag_stop (notebook, GDK_CURRENT_TIME /* FIXME? */);
+
+ return FALSE;
}
static void
-drag_stop (EphyNotebook *notebook)
+grab_notify_cb (GtkWidget *widget,
+ gboolean was_grabbed,
+ EphyNotebook *notebook)
{
- if (notebook->priv->drag_in_progress)
+ LOG ("Grab Notify [%p, was-grabbed:%s]", notebook, was_grabbed ? "t" : "f");
+
+ drag_stop (notebook, GDK_CURRENT_TIME /* FIXME? */);
+}
+
+static gboolean
+toplevel_motion_notify_cb (GtkWidget *toplevel,
+ GdkEventMotion *event,
+ EphyNotebook *notebook)
+{
+ EphyNotebook *dest = NULL;
+ int page_num, result;
+
+ result = find_notebook_and_tab_at_pos ((gint)event->x_root,
+ (gint)event->y_root,
+ &dest, &page_num);
+
+ if (result != NOT_IN_APP_WINDOWS)
{
- g_signal_emit (G_OBJECT (notebook), signals[TABS_REORDERED], 0);
+ if (dest != notebook)
+ {
+ move_tab_to_another_notebook (notebook, dest,
+ event, page_num);
+ }
+ else
+ {
+ g_assert (page_num >= -1);
+ move_tab (notebook, page_num);
+ }
}
- notebook->priv->drag_in_progress = FALSE;
- if (notebook->priv->motion_notify_handler_id != 0)
+ return FALSE;
+}
+
+static gboolean
+toplevel_button_release_cb (GtkWidget *toplevel,
+ GdkEventButton *event,
+ EphyNotebook *notebook)
+{
+#ifndef KEEP_TAB_IN_SAME_TOPLEVEL
+ EphyNotebookPrivate *priv = notebook->priv;
+
+ if (priv->drag_in_progress)
{
- g_signal_handler_disconnect (G_OBJECT (notebook),
- notebook->priv->motion_notify_handler_id);
- notebook->priv->motion_notify_handler_id = 0;
+ gint cur_page_num;
+ GtkWidget *cur_page;
+
+ cur_page_num =
+ gtk_notebook_get_current_page (GTK_NOTEBOOK (notebook));
+ cur_page = gtk_notebook_get_nth_page (GTK_NOTEBOOK (notebook),
+ cur_page_num);
+
+ if (!is_in_notebook_window (notebook, event->x_root, event->y_root)
+ && gtk_notebook_get_n_pages (GTK_NOTEBOOK (notebook)) > 1)
+ {
+ /* Tab was detached */
+ g_signal_emit (G_OBJECT (notebook),
+ signals[TAB_DETACHED], 0, cur_page);
+ }
}
+#endif
+
+ /* This must be called even if a drag isn't happening */
+ drag_stop (notebook, event->time);
+
+ return FALSE;
+}
+
+static gboolean
+drag_start (EphyNotebook *notebook,
+ guint32 time)
+{
+ EphyNotebookPrivate *priv = notebook->priv;
+ GtkWidget *widget = GTK_WIDGET (notebook);
+ GtkWidget *toplevel, *child;
+
+ /* FIXME multihead */
+ if (priv->drag_in_progress || gdk_pointer_is_grabbed ()) return FALSE;
+
+ LOG ("Drag Start");
+
+ priv->drag_in_progress = TRUE;
+
+ /* get a new cursor, if necessary */
+ /* FIXME multi-head */
+ if (!cursor) cursor = gdk_cursor_new (GDK_FLEUR);
+
+ toplevel = gtk_widget_get_toplevel (widget);
+ g_return_val_if_fail (GTK_WIDGET_TOPLEVEL (toplevel), FALSE);
+
+ child = gtk_bin_get_child (GTK_BIN (toplevel));
+ g_return_val_if_fail (child != NULL, FALSE);
+
+ /* grab the pointer */
+ gtk_grab_add (toplevel);
+
+ /* FIXME multi-head */
+ if (gdk_pointer_grab (toplevel->window,
+ FALSE,
+ GDK_BUTTON1_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
+ NULL, cursor, time) != GDK_GRAB_SUCCESS)
+ {
+ drag_stop (notebook, time);
+ return FALSE;
+ }
+
+ g_return_val_if_fail (priv->toplevel_grab_broken_handler_id == 0, FALSE);
+ g_return_val_if_fail (priv->toplevel_motion_notify_handler_id == 0, FALSE);
+ g_return_val_if_fail (priv->toplevel_button_release_handler_id == 0, FALSE);
+ g_return_val_if_fail (priv->grab_notify_handler_id == 0, FALSE);
+
+ priv->toplevel_grab_broken_handler_id =
+ g_signal_connect (toplevel, "grab-broken-event",
+ G_CALLBACK (grab_broken_event_cb), notebook);
+ priv->toplevel_motion_notify_handler_id =
+ g_signal_connect (toplevel, "motion-notify-event",
+ G_CALLBACK (toplevel_motion_notify_cb), notebook);
+ priv->toplevel_button_release_handler_id =
+ g_signal_connect (toplevel, "button-release-event",
+ G_CALLBACK (toplevel_button_release_cb), notebook);
+ priv->grab_notify_handler_id =
+ g_signal_connect (notebook, "grab-notify",
+ G_CALLBACK (grab_notify_cb), notebook);
+
+ return TRUE;
}
/* this function is only called during dnd, we don't need to emit TABS_REORDERED
@@ -502,42 +679,21 @@ motion_notify_cb (EphyNotebook *notebook,
GdkEventMotion *event,
gpointer data)
{
- EphyNotebook *dest;
- gint page_num;
- gint result;
+ EphyNotebookPrivate *priv = notebook->priv;
- if (notebook->priv->drag_in_progress == FALSE)
+ if (priv->drag_in_progress == FALSE)
{
if (gtk_drag_check_threshold (GTK_WIDGET (notebook),
notebook->priv->x_start,
notebook->priv->y_start,
event->x_root, event->y_root))
{
- drag_start (notebook, event->time);
- return TRUE;
+ return drag_start (notebook, event->time);
}
return FALSE;
}
- result = find_notebook_and_tab_at_pos ((gint)event->x_root,
- (gint)event->y_root,
- &dest, &page_num);
-
- if (result != NOT_IN_APP_WINDOWS)
- {
- if (dest != notebook)
- {
- move_tab_to_another_notebook (notebook, dest,
- event, page_num);
- }
- else
- {
- g_assert (page_num >= -1);
- move_tab (notebook, page_num);
- }
- }
-
return FALSE;
}
@@ -566,13 +722,8 @@ move_tab_to_another_notebook (EphyNotebook *src,
tab = EPHY_TAB (gtk_notebook_get_nth_page (GTK_NOTEBOOK (src), cur_page));
/* stop drag in origin window */
- /* ungrab the pointer if it's grabbed */
- drag_stop (src);
- if (gdk_pointer_is_grabbed ())
- {
- gdk_pointer_ungrab (event->time);
- }
- gtk_grab_remove (GTK_WIDGET (src));
+ */
+ drag_stop (src, event->time);
ephy_notebook_move_tab (src, dest, tab, dest_position);
@@ -593,36 +744,8 @@ button_release_cb (EphyNotebook *notebook,
GdkEventButton *event,
gpointer data)
{
- if (notebook->priv->drag_in_progress)
- {
- gint cur_page_num;
- GtkWidget *cur_page;
-
- cur_page_num =
- gtk_notebook_get_current_page (GTK_NOTEBOOK (notebook));
- cur_page = gtk_notebook_get_nth_page (GTK_NOTEBOOK (notebook),
- cur_page_num);
-
-#ifndef KEEP_TAB_IN_SAME_TOPLEVEL
- if (!is_in_notebook_window (notebook, event->x_root, event->y_root)
- && gtk_notebook_get_n_pages (GTK_NOTEBOOK (notebook)) > 1)
- {
- /* Tab was detached */
- g_signal_emit (G_OBJECT (notebook),
- signals[TAB_DETACHED], 0, cur_page);
- }
-#endif
-
- /* ungrab the pointer if it's grabbed */
- if (gdk_pointer_is_grabbed ())
- {
- gdk_pointer_ungrab (event->time);
- }
- gtk_grab_remove (GTK_WIDGET (notebook));
- }
-
/* This must be called even if a drag isn't happening */
- drag_stop (notebook);
+ drag_stop (notebook, event->time);
return FALSE;
}
@@ -632,6 +755,7 @@ button_press_cb (EphyNotebook *notebook,
GdkEventButton *event,
gpointer data)
{
+ EphyNotebookPrivate *priv = notebook->priv;
int tab_clicked;
if (!notebook->priv->dnd_enabled) return FALSE;
@@ -647,11 +771,10 @@ button_press_cb (EphyNotebook *notebook,
if ((event->button == 1) && (event->type == GDK_BUTTON_PRESS)
&& (tab_clicked >= 0))
{
- notebook->priv->x_start = event->x_root;
- notebook->priv->y_start = event->y_root;
- notebook->priv->motion_notify_handler_id =
- g_signal_connect (G_OBJECT (notebook),
- "motion-notify-event",
+ priv->x_start = event->x_root;
+ priv->y_start = event->y_root;
+ priv->motion_notify_handler_id =
+ g_signal_connect (notebook, "motion-notify-event",
G_CALLBACK (motion_notify_cb), NULL);
}
else if (GDK_BUTTON_PRESS == event->type && 3 == event->button)