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GskCanavas: draw default content when custom View calls super.onDraw()

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This commit is contained in:
Julian Winkler
2024-05-25 19:58:55 +02:00
committed by Mis012
parent 6575fef58e
commit 6f02565920
9 changed files with 54 additions and 8 deletions
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17
src/api-impl-jni/widgets/WrapperWidget.c
View File

@@ -94,23 +94,30 @@ void wrapper_widget_allocate(GtkWidget *widget, int width, int height, int basel
gtk_widget_size_allocate(wrapper->background, &allocation, baseline);
}
void wrapper_widget_draw_children(WrapperWidget *wrapper, GdkSnapshot *snapshot)
{
GtkWidget *widget = &wrapper->parent_instance;
GtkWidget *child = gtk_widget_get_first_child(widget);
while (child) {
gtk_widget_snapshot_child(widget, child, snapshot);
child = gtk_widget_get_next_sibling(child);
}
}
static void wrapper_widget_snapshot(GtkWidget *widget, GdkSnapshot *snapshot)
{
WrapperWidget *wrapper = WRAPPER_WIDGET(widget);
if (wrapper->real_height > 0 && wrapper->real_width > 0) {
gtk_snapshot_push_clip(snapshot, &GRAPHENE_RECT_INIT(0, 0, wrapper->real_width, wrapper->real_height));
}
GtkWidget *child = gtk_widget_get_first_child(widget);
while (child) {
gtk_widget_snapshot_child(widget, child, snapshot);
child = gtk_widget_get_next_sibling(child);
}
if (wrapper->draw_method) {
JNIEnv *env = get_jni_env();
_SET_LONG_FIELD(wrapper->canvas, "snapshot", _INTPTR(snapshot));
(*env)->CallVoidMethod(env, wrapper->jobj, wrapper->draw_method, wrapper->canvas);
if ((*env)->ExceptionCheck(env))
(*env)->ExceptionDescribe(env);
} else {
wrapper_widget_draw_children(wrapper, snapshot);
}
if (wrapper->real_height > 0 && wrapper->real_width > 0) {
gtk_snapshot_pop(snapshot);