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windowcontrols: gtk_widget_get_root() can return NULL

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Timm Bäder 2020-10-11 12:21:54 +02:00 committed by Matthias Clasen
parent 557a363b4f
commit d9cc589339
1 changed files with 12 additions and 23 deletions
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35
gtk/gtkwindowcontrols.c
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@ -107,12 +107,12 @@ static char *
get_layout (GtkWindowControls *self)
{
GtkWidget *widget = GTK_WIDGET (self);
GtkWidget *toplevel;
GtkRoot *root;
char *layout_desc, *layout_half;
char **tokens;
toplevel = GTK_WIDGET (gtk_widget_get_root (widget));
if (!GTK_IS_WINDOW (toplevel))
root = gtk_widget_get_root (widget);
if (!root || !GTK_IS_WINDOW (root))
return NULL;
if (self->decoration_layout)
@ -221,7 +221,6 @@ static void
update_window_buttons (GtkWindowControls *self)
{
GtkWidget *widget = GTK_WIDGET (self);
GtkWidget *toplevel;
char *layout;
char **tokens;
int i;
@ -230,10 +229,11 @@ update_window_buttons (GtkWindowControls *self)
gboolean resizable;
gboolean deletable;
gboolean empty = TRUE;
GtkRoot *root;
GtkWindow *window = NULL;
toplevel = GTK_WIDGET (gtk_widget_get_root (widget));
if (!GTK_IS_WINDOW (toplevel))
root = gtk_widget_get_root (widget);
if (!root || !GTK_IS_WINDOW (root))
{
set_empty (self, TRUE);
@ -242,23 +242,12 @@ update_window_buttons (GtkWindowControls *self)
clear_controls (self);
if (GTK_IS_WINDOW (toplevel))
{
window = GTK_WINDOW (toplevel);
is_sovereign_window = !gtk_window_get_modal (window) &&
gtk_window_get_transient_for (window) == NULL;
maximized = gtk_window_is_maximized (window);
resizable = gtk_window_get_resizable (window);
deletable = gtk_window_get_deletable (window);
}
else
{
is_sovereign_window = TRUE;
maximized = FALSE;
resizable = TRUE;
deletable = TRUE;
}
window = GTK_WINDOW (root);
is_sovereign_window = !gtk_window_get_modal (window) &&
gtk_window_get_transient_for (window) == NULL;
maximized = gtk_window_is_maximized (window);
resizable = gtk_window_get_resizable (window);
deletable = gtk_window_get_deletable (window);
layout = get_layout (self);