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gtk: handle switch_surface(NULL) properly 

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2015-02-27 14:36:09 +01:00
parent f2a581010c
commit f98f43eab0
1 changed files with 21 additions and 5 deletions
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26
ui/gtk.c
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@ -363,6 +363,9 @@ static void gd_update_geometry_hints(VirtualConsole *vc)
GtkWindow *geo_window;
if (vc->type == GD_VC_GFX) {
if (!vc->gfx.ds) {
return;
}
if (s->free_scale) {
geo.min_width = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
@ -574,22 +577,28 @@ static void gd_switch(DisplayChangeListener *dcl,
VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
bool resized = true;
trace_gd_switch(vc->label, surface_width(surface), surface_height(surface));
trace_gd_switch(vc->label,
surface ? surface_width(surface) : 0,
surface ? surface_height(surface) : 0);
if (vc->gfx.surface) {
cairo_surface_destroy(vc->gfx.surface);
vc->gfx.surface = NULL;
}
if (vc->gfx.convert) {
pixman_image_unref(vc->gfx.convert);
vc->gfx.convert = NULL;
}
if (vc->gfx.ds &&
if (vc->gfx.ds && surface &&
surface_width(vc->gfx.ds) == surface_width(surface) &&
surface_height(vc->gfx.ds) == surface_height(surface)) {
resized = false;
}
vc->gfx.ds = surface;
if (vc->gfx.convert) {
pixman_image_unref(vc->gfx.convert);
vc->gfx.convert = NULL;
if (!surface) {
return;
}
if (surface->format == PIXMAN_x8r8g8b8) {
@ -690,6 +699,9 @@ static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
if (!gtk_widget_get_realized(widget)) {
return FALSE;
}
if (!vc->gfx.ds) {
return FALSE;
}
fbw = surface_width(vc->gfx.ds);
fbh = surface_height(vc->gfx.ds);
@ -771,6 +783,10 @@ static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
int fbh, fbw;
int ww, wh;
if (!vc->gfx.ds) {
return TRUE;
}
fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;