more bugfixes

include/Mw/LowLevel/Wayland.h

@@ -493,8 +493,6 @@ void MwLLWaylandClipboardRead(wl_clipboard_device_context_t* ctx, int clipboard_
 /* Flush Wayland events */
 void MwLLWaylandFlush(MwLL handle);
 
-void MwLLWaylandCascadeChildren(MwLL handle);
-
 /* Standard procedure before event callbacks in Wayland  */
 #define WAYLAND_EVENT_OP_START(self)
 

src/backend/wayland/interfaces.c

@@ -600,7 +600,6 @@ static void pointer_motion(void* data, struct wl_pointer* wl_pointer, MwU32 time
 
 			MwLLDispatch(currentlyHeldWidgets[i], move, &p);
 		}
-		MwLLWaylandCascadeChildren(self);
 	}
 	if(self->wayland.backbuffer.surface) {
 		wl_pointer_set_cursor(self->wayland.pointer, self->wayland.pointer_serial, self->wayland.cursor.surface, 0, 0);

src/backend/wayland/wayland.c

@@ -923,7 +923,11 @@ static void draw_child(MwLL handle, MwLL child) {
 	cairo_t*	 selected_cairo;
 	MwLL		 topmost_parent = handle;
 
-	while(topmost_parent->wayland.parent) topmost_parent = topmost_parent->wayland.parent;
+	if(topmost_parent->wayland.type != MwLL_WAYLAND_POPUP) {
+		while(topmost_parent->wayland.parent) {
+			topmost_parent = topmost_parent->wayland.parent;
+		}
+	}
 
 	wl_surface_commit(child->wayland.framebuffer.surface);
 
@@ -937,6 +941,8 @@ static void draw_child(MwLL handle, MwLL child) {
 
 	cairo_paint(c);
 
+	// printf("%d %d\n", child->wayland.x, child->wayland.y);
+
 	cairo_set_source_surface(handle->wayland.cairo.front_cairo_back, cs, child->wayland.x, child->wayland.y);
 	cairo_paint(handle->wayland.cairo.front_cairo_back);
 
@@ -955,10 +961,6 @@ static void draw_children(MwLL handle) {
 	handle->wayland.events_pending = MwFALSE;
 }
 
-static void cascade_child(MwLL handle, MwLL child) {
-	child->wayland.do_cascading_draw = 10;
-}
-
 static void frontbuffer_draw(MwLL handle) {
 	cairo_t*	 c;
 	cairo_surface_t* cs;
@@ -973,17 +975,13 @@ static void frontbuffer_draw(MwLL handle) {
 
 	cairo_paint(c);
 
-	cairo_set_source_surface(handle->wayland.cairo.front_cairo, cs, handle->wayland.x, handle->wayland.y);
+	cairo_set_source_surface(handle->wayland.cairo.front_cairo, cs, 0, 0);
 	cairo_paint(handle->wayland.cairo.front_cairo);
 
 	cairo_destroy(c);
 	cairo_surface_destroy(cs);
 }
 
-void MwLLWaylandCascadeChildren(MwLL handle) {
-	handle->wayland.do_cascading_draw = 1;
-}
-
 static MwLL MwLLCreateImpl(MwLL parent, int x, int y, int width, int height) {
 	MwLL r;
 	r = malloc(sizeof(*r));
@@ -1072,7 +1070,6 @@ static void MwLLGetXYWHImpl(MwLL handle, int* x, int* y, unsigned int* w, unsign
 }
 
 static void MwLLSetXYImpl(MwLL handle, int x, int y) {
-
 	MwLLWaylandRegionInvalidate(handle);
 
 	if(handle->wayland.type != MwLL_WAYLAND_TOPLEVEL) {
@@ -1085,8 +1082,13 @@ static void MwLLSetXYImpl(MwLL handle, int x, int y) {
 		/* toplevels cannot be moved */
 		break;
 	case MwLL_WAYLAND_SUBLEVEL:
+	{
 		/* sublevels are drawn according to their own x/y */
+		MwLL topmost_parent = handle;
+		while(topmost_parent->wayland.parent) topmost_parent = topmost_parent->wayland.parent;
+		MwLLForceRender(topmost_parent);
 		break;
+	}
 	case MwLL_WAYLAND_POPUP:
 		xdg_positioner_set_anchor_rect(handle->wayland.popup->xdg_positioner, handle->wayland.parent->wayland.x, handle->wayland.parent->wayland.y, handle->wayland.ww, handle->wayland.wh);
 		xdg_positioner_set_offset(handle->wayland.popup->xdg_positioner, x, y);
@@ -1322,7 +1324,9 @@ static void MwLLEndDrawImpl(MwLL handle) {
 		}
 		MwLLWaylandBufferUpdate(handle, &handle->wayland.framebuffer);
 
-		MwLLWaylandCascadeChildren(handle);
+		if(handle->wayland.type != MwLL_WAYLAND_SUBLEVEL) {
+			handle->wayland.do_cascading_draw = 1;
+		}
 	}
 }
 
@@ -1556,7 +1560,6 @@ static void MwLLSetIconImpl(MwLL handle, MwLLPixmap pixmap) {
 }
 
 static void MwLLForceRenderImpl(MwLL handle) {
-
 	if(!handle->wayland.configured) {
 		return;
 	}
@@ -1564,9 +1567,6 @@ static void MwLLForceRenderImpl(MwLL handle) {
 	wl_surface_damage(handle->wayland.framebuffer.surface, 0, 0, handle->wayland.ww, handle->wayland.wh);
 
 	handle->wayland.force_render = MwTRUE;
-	if(handle->wayland.parent) {
-		handle->wayland.parent->wayland.force_render = MwTRUE;
-	}
 }
 
 static void MwLLSetCursorImpl(MwLL handle, MwCursor* image, MwCursor* mask) {