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[Qemu-devel] [PATCH for-2.3 1/1] gtk: do not call gtk_widget_get_window
From: |
Hervé Poussineau |
Subject: |
[Qemu-devel] [PATCH for-2.3 1/1] gtk: do not call gtk_widget_get_window if drawing area is not initialized |
Date: |
Tue, 24 Mar 2015 20:08:48 +0100 |
This prevents gtk_widget_get_window to return a NULL pointer.
Signed-off-by: Hervé Poussineau <address@hidden>
---
ui/gtk.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/ui/gtk.c b/ui/gtk.c
index 29bdc19..d6e01c2 100644
--- a/ui/gtk.c
+++ b/ui/gtk.c
@@ -294,6 +294,10 @@ static void gd_update_cursor(VirtualConsole *vc)
return;
}
+ if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
+ return;
+ }
+
window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
gdk_window_set_cursor(window, s->null_cursor);
@@ -458,6 +462,10 @@ static void gd_update(DisplayChangeListener *dcl,
trace_gd_update(vc->label, x, y, w, h);
+ if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
+ return;
+ }
+
if (vc->gfx.convert) {
pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
NULL, vc->gfx.convert,
@@ -540,6 +548,10 @@ static void gd_cursor_define(DisplayChangeListener *dcl,
GdkPixbuf *pixbuf;
GdkCursor *cursor;
+ if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
+ return;
+ }
+
pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
GDK_COLORSPACE_RGB, true, 8,
c->width, c->height, c->width * 4,
--
1.7.10.4