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Drawable: queue up invalidate() calls, because GTK can't invalidate from inside draw()

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This is analogous to wrapper_widget_queue_draw().
This commit is contained in:
Julian Winkler 2025-02-10 18:11:21 +01:00
parent 4e29b6af1d
commit 87b254156d
1 changed files with 8 additions and 1 deletions
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9
src/api-impl-jni/graphics/android_graphics_drawable_Drawable.c
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@ -88,8 +88,15 @@ JNIEXPORT jlong JNICALL Java_android_graphics_drawable_Drawable_native_1construc
return _INTPTR(paintable);
}
static guint queue_invalidate_contents(GdkPaintable *paintable)
{
gdk_paintable_invalidate_contents(paintable);
return G_SOURCE_REMOVE;
}
JNIEXPORT void JNICALL Java_android_graphics_drawable_Drawable_native_1invalidate(JNIEnv *env, jobject this, jlong paintable_ptr) {
gdk_paintable_invalidate_contents(GDK_PAINTABLE(_PTR(paintable_ptr)));
// GTK doesn't allow invalidating a paintable while it's being drawn, so we need to queue it up
g_idle_add_full(G_PRIORITY_HIGH_IDLE + 20, G_SOURCE_FUNC(queue_invalidate_contents), GDK_PAINTABLE(_PTR(paintable_ptr)), NULL);
}
JNIEXPORT void JNICALL Java_android_graphics_drawable_Drawable_native_1draw(JNIEnv *env, jobject this, jlong paintable_ptr, jlong snapshot_ptr, jint width, jint height) {