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GTK: thread-safe refresh. doesn't freeze randomly anymore.

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This commit is contained in:
StapleButter
2017-09-19 16:53:02 +02:00
parent 4db1a51fa4
commit edd33187b6
4 changed files with 24 additions and 5 deletions
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17
src/libui_sdl/libui/unix/area.c
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@ -1,6 +1,8 @@
// 4 september 2015
#include "uipriv_unix.h"
extern GThread* gtkthread;
// notes:
// - G_DECLARE_DERIVABLE/FINAL_INTERFACE() requires glib 2.44 and that's starting with debian stretch (testing) (GTK+ 3.18) and ubuntu 15.04 (GTK+ 3.14) - debian jessie has 2.42 (GTK+ 3.14)
#define areaWidgetType (areaWidget_get_type())
@ -387,7 +389,7 @@ static int areaKeyEvent(uiArea *a, int up, GdkEventKey *e)
ke.Key = 0;
ke.ExtKey = 0;
ke.Modifier = 0;
printf("keypress: %08X\n", e->hardware_keycode-8);
state = translateModifiers(e->state, e->window);
ke.Modifiers = toModifiers(state);
@ -501,9 +503,20 @@ void uiAreaSetSize(uiArea *a, int width, int height)
gtk_widget_queue_resize(a->areaWidget);
}
gboolean _threadsaferefresh(gpointer data)
{
uiArea* a = (uiArea*)data;
gtk_widget_queue_draw(a->areaWidget);
return FALSE;
}
void uiAreaQueueRedrawAll(uiArea *a)
{
gtk_widget_queue_draw(a->areaWidget);
// TODO: figure out how we could generalize the "thread-safe function call" mechanism
if (g_thread_self() != gtkthread)
g_idle_add(_threadsaferefresh, a);
else
gtk_widget_queue_draw(a->areaWidget);
}
void uiAreaScrollTo(uiArea *a, double x, double y, double width, double height)