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console: kill DisplayState->opaque

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It's broken by design.  There can be multiple DisplayChangeListener
instances, so they simply can't store state in the (single) DisplayState
struct.  Try 'qemu -display gtk -vnc :0', watch it crash & burn.

With DisplayChangeListenerOps having a more sane interface now we can
simply use the DisplayChangeListener pointer to get access to our
private data instead.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann
2013-02-28 11:34:31 +01:00
parent 7c20b4a374
commit 21ef45d712
4 changed files with 20 additions and 25 deletions
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include/ui/console.h
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@@ -193,7 +193,6 @@ struct DisplayChangeListener {
struct DisplayState {
struct DisplaySurface *surface;
void *opaque;
struct QEMUTimer *gui_timer;
bool have_gfx;
bool have_text;