better alpha blending

include/Mw/Draw.h

@@ -184,6 +184,12 @@ MWDECL unsigned char* MWAPI MwPixmapGetRaw(MwLLPixmap pixmap);
  */
 MWDECL void MWAPI MwPixmapGetSize(MwLLPixmap pixmap, MwRect* rect);
 
+/*!
+ * @brief Destroys the pixmap
+ * @param pixmap Pixmap
+ */
+MWDECL void MWAPI MwDestroyPixmap(MwLLPixmap pixmap);
+
 /*!
  * @brief Creates a pixmap from XPM data
  * @param handle Widget

include/Mw/LowLevel.h

@@ -34,7 +34,7 @@ enum MwLLBackends {
 };
 
 struct _MwLLCommon {
-	void*  user;
+	void*  internal;
 	int    copy_buffer;
 	int    type;
 	int    coordinate_type;
@@ -58,7 +58,8 @@ struct _MwLLCommonPixmap {
 	int	       width;
 	int	       height;
 	unsigned char* raw;
-	void*	       user;
+	unsigned char* before_blend;
+	void*	       internal;
 };
 
 #ifdef USE_DBUS

include/Mw/TypeDefs.h

@@ -99,11 +99,14 @@ struct _MwWidget {
 	int	prop_event;
 	int	held;
 
-	void* internal;
+	void*	      internal;
-	void* opaque;
+	void*	      opaque;
-	void* user;
+	void*	      user;
-	void (*draw_inject)(MwWidget handle);
+	MwHandler     draw_inject;
-	void (*destroy_inject)(MwWidget handle);
+	MwHandler     destroy_inject;
+	MwHandlerProp prop_inject_pixmap; /* this is for pixmap; do not use */
+
+	MwLLPixmap* pixmaps;
 
 	MwIntegerKeyValue*     integer;
 	MwTextKeyValue*	       text;

src/backend/cairo.c

@@ -46,10 +46,12 @@ MwLLPixmap MwLLCairoCreatePixmap(struct _MwLLCairo handle, unsigned char* data,
 	if(width >= INT16_MAX) width = INT16_MAX;
 	if(height >= INT16_MAX) height = INT16_MAX;
 
-	r->common.width	 = width;
+	r->common.width	       = width;
-	r->common.height = height;
+	r->common.height       = height;
-	r->common.raw	 = malloc(4 * width * height);
+	r->common.raw	       = malloc(4 * width * height);
+	r->common.before_blend = malloc(4 * width * height);
 	memcpy(r->common.raw, data, 4 * width * height);
+	memcpy(r->common.before_blend, data, 4 * width * height);
 
 	r->wayland.cs = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
 
@@ -80,6 +82,7 @@ void MwLLCairoPixmapUpdate(MwLLPixmap r) {
 
 void MwLLCairoDestroyPixmap(MwLLPixmap pixmap) {
 	cairo_surface_destroy(pixmap->wayland.cs);
+	free(pixmap->common.before_blend);
 	free(pixmap->common.raw);
 	free(pixmap);
 }

src/backend/cocoa.m

@@ -64,7 +64,7 @@ static inline NSPoint localPointFlip(NSPoint point, NSView* view) {
 
 /* Recursively dispatch a key event to a widget and its children */
 static void recursive_dispatch_key(MwLL handle, int* k) {
-	MwWidget h = (MwWidget)handle->common.user;
+	MwWidget h = (MwWidget)handle->common.intenral;
 	MwLLDispatch(handle, key, k);
 	if(h) {
 		int i;
@@ -78,7 +78,7 @@ static void recursive_dispatch_key(MwLL handle, int* k) {
 };
 /* Recursively dispatch a key released event to a widget and its children */
 static void recursive_dispatch_key_released(MwLL handle, int* k) {
-	MwWidget h = (MwWidget)handle->common.user;
+	MwWidget h = (MwWidget)handle->common.intenral;
 	MwLLDispatch(handle, key_released, k);
 	if(h) {
 		int i;
@@ -637,7 +637,7 @@ static void recursive_dispatch_key_released(MwLL handle, int* k) {
 	[topmost_parent->cocoa.real->view setNeedsDisplay:true];
 	MwLLDispatch(topmost_parent, draw, NULL);
 
-	h = (MwWidget)topmost_parent->common.user;
+	h = (MwWidget)topmost_parent->common.intenral;
 	if(h) {
 		int i;
 		for(i = 0; i < arrlen(h->children); i++) {

src/backend/gdi.c

@@ -665,6 +665,14 @@ static MwLLPixmap MwLLCreatePixmapImpl(MwLL handle, unsigned char* data, int wid
 
 	memcpy(r->common.raw, data, 4 * width * height);
 
+	r->common.before_blend = malloc(width * height * 4);
+	if(!r->common.before_blend) {
+		printf("Out Of Memory\n");
+		return NULL;
+	}
+
+	memcpy(r->common.before_blend, data, 4 * width * height);
+
 	r->common.width	 = width;
 	r->common.height = height;
 
@@ -740,6 +748,7 @@ static void MwLLPixmapUpdateImpl(MwLLPixmap r) {
 }
 
 static void MwLLDestroyPixmapImpl(MwLLPixmap pixmap) {
+	free(pixmap->common.before_blend);
 	free(pixmap->common.raw);
 	DeleteObject(pixmap->gdi.hMask);
 	DeleteObject(pixmap->gdi.hMask2);

src/backend/wayland/interfaces.c

@@ -23,7 +23,7 @@ static MwBool hit_detect(MwLL child, MwLL* _topmost_parent, MwPoint* _point, MwP
 
 /* Recursively dispatch a key event to a widget and its children */
 static void recursive_dispatch_key(MwLL handle, int* k) {
-	MwWidget h = (MwWidget)handle->common.user;
+	MwWidget h = (MwWidget)handle->common.intenral;
 	MwLLDispatch(handle, key, k);
 	if(h) {
 		int i;
@@ -37,7 +37,7 @@ static void recursive_dispatch_key(MwLL handle, int* k) {
 };
 /* Recursively dispatch a key released event to a widget and its children */
 static void recursive_dispatch_key_released(MwLL handle, int* k) {
-	MwWidget h = (MwWidget)handle->common.user;
+	MwWidget h = (MwWidget)handle->common.intenral;
 	MwLLDispatch(handle, key_released, k);
 	if(h) {
 		int i;
@@ -52,7 +52,7 @@ static void recursive_dispatch_key_released(MwLL handle, int* k) {
 
 /* Recursively dispatch a move event to a widget and its children */
 static void recursive_dispatch_move(MwLL handle, MwMouse* p) {
-	MwWidget h = (MwWidget)handle->common.user;
+	MwWidget h = (MwWidget)handle->common.intenral;
 	if(h) {
 		int i;
 		for(i = 0; i < arrlen(h->children); i++) {
@@ -165,8 +165,8 @@ static void wl_data_device_leave(void*			data,
 static MwBool motion_cursor_change(MwLL self, wl_clipboard_device_context_t* ctx) {
 	if(self->wayland.type == MwLL_WAYLAND_TOPLEVEL && self->wayland.accepts_dnd) {
 		return MwTRUE;
-	} else if(self->common.user) {
+	} else if(self->common.intenral) {
-		MwWidget w = self->common.user;
+		MwWidget w = self->common.intenral;
 		int	 i, n;
 		for(i = 0; i < arrlen(w->children); i++) {
 			if(w->children[i]->lowlevel->wayland.type == MwLL_WAYLAND_SUBLEVEL) {
@@ -190,8 +190,8 @@ static MwBool motion_cursor_change(MwLL self, wl_clipboard_device_context_t* ctx
 static void clipboard_dispatch(MwLL self, char* buf) {
 	if(self->wayland.type == MwLL_WAYLAND_TOPLEVEL && self->wayland.accepts_dnd) {
 		MwLLDispatch(self, drag_and_drop, buf);
-	} else if(self->common.user) {
+	} else if(self->common.intenral) {
-		MwWidget w = self->common.user;
+		MwWidget w = self->common.intenral;
 		int	 i, n;
 		for(i = 0; i < arrlen(w->children); i++) {
 			if(w->children[i]->lowlevel->wayland.type == MwLL_WAYLAND_SUBLEVEL) {
@@ -722,7 +722,7 @@ static void pointer_motion(void* data, struct wl_pointer* wl_pointer, MwU32 time
 };
 
 static void recursive_dispatch_mouse_down(MwLL handle, MwMouse* p) {
-	MwWidget h = (MwWidget)handle->common.user;
+	MwWidget h = (MwWidget)handle->common.intenral;
 	MwLLDispatch(handle, down, p);
 	if(h) {
 		int i;
@@ -735,7 +735,7 @@ static void recursive_dispatch_mouse_down(MwLL handle, MwMouse* p) {
 	}
 };
 static void recursive_dispatch_mouse_up(MwLL handle, MwMouse* p) {
-	MwWidget h = (MwWidget)handle->common.user;
+	MwWidget h = (MwWidget)handle->common.intenral;
 	MwLLDispatch(handle, up, p);
 	if(h) {
 		int i;
@@ -793,8 +793,8 @@ static void mouse_dispatch(MwLL self, MwMouse p, MwU32 state) {
 		break;
 	}
 
-	if(self->common.user) {
+	if(self->common.intenral) {
-		MwWidget w = self->common.user;
+		MwWidget w = self->common.intenral;
 		int	 i, n;
 		for(i = 0; i < arrlen(w->children); i++) {
 			if(w->children[i]->lowlevel->wayland.type == MwLL_WAYLAND_SUBLEVEL) {
@@ -963,8 +963,8 @@ static void keyboard_leave(void*	       data,
 };
 
 void MwLLRecursiveKeyDispatch(MwLL self, int* k, MwBool down) {
-	if(self->common.user) {
+	if(self->common.intenral) {
-		MwWidget w = self->common.user;
+		MwWidget w = self->common.intenral;
 		int	 i, n;
 		for(i = 0; i < arrlen(w->children); i++) {
 			if(w->children[i]->lowlevel->wayland.type == MwLL_WAYLAND_SUBLEVEL) {

src/backend/wayland/wayland.c

@@ -14,8 +14,8 @@ MwBool MwWaylandVulkan = MwFALSE;
 MwBool MwWaylandCairoOnly = MwFALSE;
 
 void MwLLWaylandChildrenIterate(MwLL handle, void (*func)(MwLL handle, MwLL child)) {
-	if(handle->common.user) {
+	if(handle->common.intenral) {
-		MwWidget w = handle->common.user;
+		MwWidget w = handle->common.intenral;
 		int	 i;
 		for(i = 0; i < arrlen(w->children); i++) {
 			if(w->children[i]->lowlevel->wayland.type == MwLL_WAYLAND_SUBLEVEL) {
@@ -30,7 +30,7 @@ static int event_loop(MwLL handle);
 
 /* Recursively dispatch a resize event to a widget and its children */
 static void recursive_dispatch_resize(MwLL handle) {
-	MwWidget h = (MwWidget)handle->common.user;
+	MwWidget h = (MwWidget)handle->common.intenral;
 	if(h) {
 		int i;
 		for(i = 0; i < arrlen(h->children); i++) {
@@ -45,7 +45,7 @@ static void recursive_dispatch_resize(MwLL handle) {
 static void recursive_render(MwLL handle) {
 	int i;
 
-	for(i = 0; i < arrlen(((MwWidget)handle->common.user)->children); i++) recursive_render(((MwWidget)handle->common.user)->children[i]->lowlevel);
+	for(i = 0; i < arrlen(((MwWidget)handle->common.intenral)->children); i++) recursive_render(((MwWidget)handle->common.intenral)->children[i]->lowlevel);
 
 	MwLLForceRender(handle);
 }
@@ -512,7 +512,7 @@ static void setup_popup(MwLL r, int x, int y, MwLL parent) {
 	r->wayland.popup = malloc(sizeof(struct _MwLLWaylandPopup));
 
 	if(parent) {
-		MwWidget p = parent->common.user;
+		MwWidget p = parent->common.intenral;
 		while(topmost_parent->wayland.parent) {
 			topmost_parent = topmost_parent->wayland.parent;
 		}
@@ -1944,11 +1944,11 @@ static void MwLLRaiseImpl(MwLL handle) {
 		MwLL topmost_parent = handle;
 		int  children_num;
 		while(topmost_parent->wayland.parent) topmost_parent = topmost_parent->wayland.parent;
-		children_num = arrlen(((MwWidget)topmost_parent->common.user)->children);
+		children_num = arrlen(((MwWidget)topmost_parent->common.intenral)->children);
 
 		if(children_num > 1) {
 			printf("%d\n", children_num);
-			MwWidget last_child = ((MwWidget)topmost_parent->common.user)->children[children_num - 1];
+			MwWidget last_child = ((MwWidget)topmost_parent->common.intenral)->children[children_num - 1];
 			wl_subsurface_place_above(handle->wayland.sublevel->subsurface, last_child->lowlevel->wayland.framebuffer.surface);
 		}
 		}*/

src/backend/x11.c

@@ -1097,6 +1097,9 @@ static MwLLPixmap MwLLCreatePixmapImpl(MwLL handle, unsigned char* data, int wid
 	r->common.raw = malloc(4 * width * height);
 	memcpy(r->common.raw, data, 4 * width * height);
 
+	r->common.before_blend = malloc(4 * width * height);
+	memcpy(r->common.before_blend, data, 4 * width * height);
+
 	XGetWindowAttributes(handle->x11.display, handle->x11.window, &attr);
 
 	r->common.width	 = width;
@@ -1152,6 +1155,7 @@ static void MwLLPixmapUpdateImpl(MwLLPixmap r) {
 }
 
 static void MwLLDestroyPixmapImpl(MwLLPixmap pixmap) {
+	free(pixmap->common.before_blend);
 	free(pixmap->common.raw);
 	XDestroyImage(pixmap->x11.image);
 	XDestroyImage(pixmap->x11.mask);

src/core.c

@@ -30,11 +30,17 @@
 		} \
 	}
 
+#define PROP(handle, key) \
+	{ \
+		MwDispatch3((handle), prop_change, (key)); \
+		if((handle)->prop_inject_pixmap != NULL) handle->prop_inject_pixmap((handle), (key)); \
+	}
+
 static void MWAPI     MwVaListApply_Internal(MwWidget handle, va_list va, int only_early);
 static MwWidget MWAPI MwCreateWidget_Internal(MwClass widget_class, const char* name, MwWidget parent, int x, int y, unsigned int width, unsigned int height, int do_prop, va_list prop);
 
 static void lldrawhandler(MwLL handle, void* data) {
-	MwWidget h = (MwWidget)handle->common.user;
+	MwWidget h = (MwWidget)handle->common.internal;
 #ifdef PERIODIC
 	MwWidget top;
 #endif
@@ -67,7 +73,7 @@ static void lldrawhandler(MwLL handle, void* data) {
 }
 
 static void lluphandler(MwLL handle, void* data) {
-	MwWidget h = (MwWidget)handle->common.user;
+	MwWidget h = (MwWidget)handle->common.internal;
 	MwMouse* p = data;
 	int	 n;
 	if((n = MwGetInteger(h, MwNdisabled)) != MwDEFAULT && n) return;
@@ -82,7 +88,7 @@ static void lluphandler(MwLL handle, void* data) {
 }
 
 static void lldownhandler(MwLL handle, void* data) {
-	MwWidget h = (MwWidget)handle->common.user;
+	MwWidget h = (MwWidget)handle->common.internal;
 	MwMouse* p = data;
 	int	 n;
 	if((n = MwGetInteger(h, MwNdisabled)) != MwDEFAULT && n) return;
@@ -96,7 +102,7 @@ static void lldownhandler(MwLL handle, void* data) {
 }
 
 static void llresizehandler(MwLL handle, void* data) {
-	MwWidget h = (MwWidget)handle->common.user;
+	MwWidget h = (MwWidget)handle->common.internal;
 #ifdef RESIZE_ON_TICK
 	MwWidget top;
 #endif
@@ -129,7 +135,7 @@ static void llresizehandler(MwLL handle, void* data) {
 }
 
 static void llclosehandler(MwLL handle, void* data) {
-	MwWidget h = (MwWidget)handle->common.user;
+	MwWidget h = (MwWidget)handle->common.internal;
 	int	 n;
 
 	(void)data;
@@ -147,7 +153,7 @@ static void llclosehandler(MwLL handle, void* data) {
 }
 
 static void llmovehandler(MwLL handle, void* data) {
-	MwWidget h = (MwWidget)handle->common.user;
+	MwWidget h = (MwWidget)handle->common.internal;
 	MwPoint* p = data;
 
 	h->mouse_point.x = p->x;
@@ -158,7 +164,7 @@ static void llmovehandler(MwLL handle, void* data) {
 }
 
 static void llkeyhandler(MwLL handle, void* data) {
-	MwWidget h   = (MwWidget)handle->common.user;
+	MwWidget h   = (MwWidget)handle->common.internal;
 	int	 key = *(int*)data;
 	int	 n;
 	if((n = MwGetInteger(h, MwNdisabled)) != MwDEFAULT && n) return;
@@ -168,7 +174,7 @@ static void llkeyhandler(MwLL handle, void* data) {
 }
 
 static void llkeyrelhandler(MwLL handle, void* data) {
-	MwWidget h = (MwWidget)handle->common.user;
+	MwWidget h = (MwWidget)handle->common.internal;
 	int	 n;
 	if((n = MwGetInteger(h, MwNdisabled)) != MwDEFAULT && n) return;
 
@@ -176,7 +182,7 @@ static void llkeyrelhandler(MwLL handle, void* data) {
 }
 
 static void llfocusinhandler(MwLL handle, void* data) {
-	MwWidget h = (MwWidget)handle->common.user;
+	MwWidget h = (MwWidget)handle->common.internal;
 	int	 n;
 	if((n = MwGetInteger(h, MwNdisabled)) != MwDEFAULT && n) return;
 
@@ -184,7 +190,7 @@ static void llfocusinhandler(MwLL handle, void* data) {
 }
 
 static void llfocusouthandler(MwLL handle, void* data) {
-	MwWidget h = (MwWidget)handle->common.user;
+	MwWidget h = (MwWidget)handle->common.internal;
 	int	 n;
 	if((n = MwGetInteger(h, MwNdisabled)) != MwDEFAULT && n) return;
 
@@ -192,7 +198,7 @@ static void llfocusouthandler(MwLL handle, void* data) {
 }
 
 static void llclipboardhandler(MwLL handle, void* data) {
-	MwWidget h = (MwWidget)handle->common.user;
+	MwWidget h = (MwWidget)handle->common.internal;
 	int	 n;
 	if((n = MwGetInteger(h, MwNdisabled)) != MwDEFAULT && n) return;
 
@@ -201,7 +207,7 @@ static void llclipboardhandler(MwLL handle, void* data) {
 }
 
 static void lldraganddrophandler(MwLL handle, void* data) {
-	MwWidget h = (MwWidget)handle->common.user;
+	MwWidget h = (MwWidget)handle->common.internal;
 	int	 n;
 	if((n = MwGetInteger(h, MwNdisabled)) != MwDEFAULT && n) return;
 
@@ -222,7 +228,7 @@ static void lldraganddrophandler(MwLL handle, void* data) {
 #define IsFirstVisible(handle) ((handle)->widget_class != NULL && ((handle)->parent == NULL || (handle)->parent->widget_class == NULL))
 
 static void lldarkthemehandler(MwLL handle, void* data) {
-	MwWidget h   = (MwWidget)handle->common.user;
+	MwWidget h   = (MwWidget)handle->common.internal;
 	int*	 ptr = data;
 	int	 s;
 
@@ -260,16 +266,18 @@ static MwWidget MwCreateWidget_Internal(MwClass widget_class, const char* name,
 	} else {
 		h->lowlevel = NULL;
 	}
-	h->widget_class	  = widget_class;
+	h->widget_class	      = widget_class;
-	h->pressed	  = 0;
+	h->pressed	      = 0;
-	h->close	  = 0;
+	h->close	      = 0;
-	h->destroy_queue  = NULL;
+	h->destroy_queue      = NULL;
-	h->prop_event	  = 1;
+	h->prop_event	      = 1;
-	h->draw_inject	  = NULL;
+	h->draw_inject	      = NULL;
-	h->destroy_inject = NULL;
+	h->destroy_inject     = NULL;
-	h->tick_list	  = NULL;
+	h->prop_inject_pixmap = NULL;
-	h->destroyed	  = 0;
+	h->pixmaps	      = NULL;
-	h->bgcolor	  = NULL;
+	h->tick_list	      = NULL;
+	h->destroyed	      = 0;
+	h->bgcolor	      = NULL;
 
 	h->berserk   = 0;
 	h->last_tick = MwTimeGetTick();
@@ -288,7 +296,7 @@ static MwWidget MwCreateWidget_Internal(MwClass widget_class, const char* name,
 	if(parent == NULL) h->top_step = 1;
 
 	if(h->lowlevel != NULL) {
-		h->lowlevel->common.user		   = h;
+		h->lowlevel->common.internal		   = h;
 		h->lowlevel->common.handler->draw	   = lldrawhandler;
 		h->lowlevel->common.handler->up		   = lluphandler;
 		h->lowlevel->common.handler->down	   = lldownhandler;
@@ -456,6 +464,9 @@ void MwFreeWidget(MwWidget handle) {
 	arrfree(handle->destroy_queue);
 	arrfree(handle->tick_list);
 
+	while(arrlen(handle->pixmaps) > 0) MwDestroyPixmap(handle->pixmaps[0]);
+	arrfree(handle->pixmaps);
+
 	arrfree(handle->draw_queue);
 	arrfree(handle->resize_queue);
 
@@ -628,6 +639,20 @@ static void force_render_all(MwWidget handle) {
 	if(handle->lowlevel != NULL) MwForceRender(handle);
 }
 
+static void notify_all_bgfg_prop(MwWidget handle) {
+	int i;
+
+	for(i = 0; i < arrlen(handle->children); i++) {
+		notify_all_bgfg_prop(handle->children[i]);
+	}
+
+	PROP(handle, MwNbackground);
+	PROP(handle, MwNforeground);
+	PROP(handle, MwNsubBackground);
+	PROP(handle, MwNsubForeground);
+	MwForceRender(handle);
+}
+
 void MwSetInteger(MwWidget handle, const char* key, int n) {
 	int xy;
 	int wh = 0;
@@ -653,7 +678,7 @@ void MwSetInteger(MwWidget handle, const char* key, int n) {
 		MwDispatch3(handle, props_change, keys);
 		arrfree(keys);
 
-		MwDispatch3(handle, prop_change, key);
+		PROP(handle, key);
 	}
 
 	if(handle->parent != NULL && handle->parent->prop_event) {
@@ -663,7 +688,7 @@ void MwSetInteger(MwWidget handle, const char* key, int n) {
 	if(strcmp(key, MwNforceInverted) == 0) {
 		MwForceRender(handle);
 	}
-	if(strcmp(key, MwNmodernLook) == 0 || strcmp(key, MwNdarkTheme) == 0 || strcmp(key, MwNbitmapFont) == 0) {
+	if(strcmp(key, MwNmodernLook) == 0 || strcmp(key, MwNbitmapFont) == 0) {
 		force_render_all(handle);
 	}
 
@@ -677,6 +702,8 @@ void MwSetInteger(MwWidget handle, const char* key, int n) {
 		}
 
 		if(h->lowlevel != NULL) MwLLSetDarkTheme(h->lowlevel, n);
+
+		notify_all_bgfg_prop(handle);
 	}
 
 	if(strcmp(key, MwNacceptsDnD) == 0 && n) {
@@ -706,7 +733,7 @@ void MwSetText(MwWidget handle, const char* key, const char* value) {
 		MwDispatch3(handle, props_change, keys);
 		arrfree(keys);
 
-		MwDispatch3(handle, prop_change, key);
+		PROP(handle, key);
 	}
 
 	if(handle->parent != NULL && handle->parent->prop_event) {
@@ -738,7 +765,7 @@ void MwSetVoid(MwWidget handle, const char* key, void* value) {
 		MwDispatch3(handle, props_change, keys);
 		arrfree(keys);
 
-		MwDispatch3(handle, prop_change, key);
+		PROP(handle, key);
 	}
 
 	if(handle->parent != NULL && handle->parent->prop_event) {
@@ -918,8 +945,8 @@ static void MwVaListApply_Internal(MwWidget handle, va_list va, int only_early)
 	if(x != MwDEFAULT && y != MwDEFAULT) {
 		MwLLSetXY(handle->lowlevel, x, y);
 		if(handle->prop_event) {
-			MwDispatch3(handle, prop_change, MwNx);
+			PROP(handle, MwNx);
-			MwDispatch3(handle, prop_change, MwNy);
+			PROP(handle, MwNy);
 		}
 	} else {
 		if(x != MwDEFAULT) {
@@ -931,8 +958,8 @@ static void MwVaListApply_Internal(MwWidget handle, va_list va, int only_early)
 	if(w != MwDEFAULT && h != MwDEFAULT) {
 		MwLLSetWH(handle->lowlevel, w, h);
 		if(handle->prop_event) {
-			MwDispatch3(handle, prop_change, MwNwidth);
+			PROP(handle, MwNwidth);
-			MwDispatch3(handle, prop_change, MwNheight);
+			PROP(handle, MwNheight);
 		}
 	} else {
 		if(w != MwDEFAULT) {
@@ -947,7 +974,7 @@ static void MwVaListApply_Internal(MwWidget handle, va_list va, int only_early)
 
 	if(handle->prop_event) {
 		for(i = 0; keys[i] != NULL; i++) {
-			MwDispatch3(handle, prop_change, keys[i]);
+			PROP(handle, keys[i]);
 		}
 
 		MwDispatch3(handle, props_change, keys);

src/dialog/colorpicker.c

@@ -220,7 +220,7 @@ static void MWAPI color_picker_tick(MwWidget handle, void* user,
 }
 
 static void color_picker_destroy(color_picker_t* picker) {
-	MwLLDestroyPixmap(picker->color_picker_pixmap);
+	MwDestroyPixmap(picker->color_picker_pixmap);
 	free(picker);
 }
 

src/dialog/filechooser.c

@@ -43,12 +43,12 @@ static void destroy(MwWidget handle) {
 	for(i = 0; i < arrlen(fc->entries); i++) MwDirectoryFreeEntry(fc->entries[i]);
 	arrfree(fc->entries);
 
-	MwLLDestroyPixmap(fc->dir);
+	MwDestroyPixmap(fc->dir);
-	MwLLDestroyPixmap(fc->file);
+	MwDestroyPixmap(fc->file);
-	MwLLDestroyPixmap(fc->back);
+	MwDestroyPixmap(fc->back);
-	MwLLDestroyPixmap(fc->forward);
+	MwDestroyPixmap(fc->forward);
-	MwLLDestroyPixmap(fc->up);
+	MwDestroyPixmap(fc->up);
-	MwLLDestroyPixmap(fc->computer);
+	MwDestroyPixmap(fc->computer);
 	free(handle->opaque);
 }
 

src/dialog/messagebox.c

@@ -21,7 +21,7 @@ static void spawn_button(MwWidget handle, int x, int y, int id, const char* text
 static void messagebox_destroy_inject(MwWidget handle) {
 	void* px;
 
-	if((px = MwGetVoid(handle, MwNpixmap)) != NULL) MwLLDestroyPixmap(px);
+	if((px = MwGetVoid(handle, MwNpixmap)) != NULL) MwDestroyPixmap(px);
 }
 
 static void MWAPI messagebox_close(MwWidget handle, void* user, void* call) {

src/draw.c

@@ -953,29 +953,43 @@ MwLLPixmap MwLoadImage(MwWidget handle, const char* path) {
 	return px;
 }
 
+static void pixmap_prop(MwWidget handle, const char* prop) {
+	if(strcmp(prop, MwNbackground) == 0 || strcmp(prop, MwNsubBackground) == 0) {
+		int i;
+
+		for(i = 0; i < arrlen(handle->pixmaps); i++) MwPixmapReloadRaw(handle->pixmaps[i], NULL);
+	}
+}
+
 MwLLPixmap MwLoadRaw(MwWidget handle, unsigned char* rgb, int width, int height) {
 	MwLLPixmap px = MwLLCreatePixmap(handle->lowlevel, rgb, width, height);
 
-	px->common.user = handle;
+	px->common.internal = handle;
 	MwPixmapReloadRaw(px, rgb);
 
+	handle->prop_inject_pixmap = pixmap_prop;
+
+	arrput(handle->pixmaps, px);
+
 	return px;
 }
 
 void MwPixmapReloadRaw(MwLLPixmap px, unsigned char* rgb) {
 	int	  i;
-	MwWidget  handle = px->common.user;
+	MwWidget  handle = px->common.internal;
 	MwLLColor base	 = handle->bgcolor == NULL ? MwParseColor(handle, MwGetText(handle, MwNbackground)) : handle->bgcolor;
 
+	if(rgb != NULL) memcpy(px->common.before_blend, rgb, px->common.width * px->common.height * 4);
+
 	memset(px->common.raw, 0, px->common.width * px->common.height * 4);
 	for(i = 0; i < px->common.width * px->common.height; i++) {
-		unsigned char* pin  = &rgb[i * 4];
+		unsigned char* pin  = &px->common.before_blend[i * 4];
 		unsigned char* pout = &px->common.raw[i * 4];
 		double	       a    = pin[3];
 
 		a /= 255;
 		if(a != 0) {
-#if 1
+#if 0
 			a = 1;
 #endif
 			pout[0] = (unsigned char)(pin[0] * a);
@@ -1003,6 +1017,22 @@ void MwPixmapGetSize(MwLLPixmap pixmap, MwRect* rect) {
 	rect->height = pixmap->common.height;
 }
 
+void MwDestroyPixmap(MwLLPixmap pixmap) {
+	int	 i;
+	MwWidget handle = pixmap->common.internal;
+
+	for(i = 0; i < arrlen(handle->pixmaps); i++) {
+		if(handle->pixmaps[i] == pixmap) {
+			arrdel(handle->pixmaps, i);
+			break;
+		}
+	}
+
+	if(arrlen(handle->pixmaps) == 0) handle->prop_inject_pixmap = NULL;
+
+	MwLLDestroyPixmap(pixmap);
+}
+
 void MwColorGet(MwLLColor color, int* red, int* green, int* blue) {
 	*red   = color->common.red;
 	*green = color->common.green;

src/text/ft2.c

@@ -93,7 +93,7 @@ static int ft2_MwDrawText(MwWidget handle, MwFLFont ttf, MwPoint* point, const c
 	r.height = th;
 
 	MwLLDrawPixmap(handle->lowlevel, &r, p);
-	MwLLDestroyPixmap(p);
+	MwDestroyPixmap(p);
 	free(px);
 
 	return 0;

src/text/gdi.c

@@ -103,7 +103,7 @@ static int GDI_MwDrawText(MwWidget handle, MwFLFont ttf, MwPoint* point, const c
 	r.height = th;
 
 	MwLLDrawPixmap(handle->lowlevel, &r, p);
-	MwLLDestroyPixmap(p);
+	MwDestroyPixmap(p);
 	free(px);
 
 	DeleteObject(hbm);

src/text/stbtt.c

@@ -80,7 +80,7 @@ static int stbtt_MwDrawText(MwWidget handle, MwFLFont ttf, MwPoint* point, const
 	r.height = th;
 
 	MwLLDrawPixmap(handle->lowlevel, &r, p);
-	MwLLDestroyPixmap(p);
+	MwDestroyPixmap(p);
 	free(px);
 
 	return 0;

src/text/text.c

@@ -330,7 +330,7 @@ static void bitmap_MwDrawText(MwWidget handle, MwPoint* point, const char* text,
 	r.height = th;
 
 	MwLLDrawPixmap(handle->lowlevel, &r, p);
-	MwLLDestroyPixmap(p);
+	MwDestroyPixmap(p);
 	free(px);
 }
 

src/widget/calendar.c

@@ -191,7 +191,7 @@ static void draw(MwWidget handle) {
 	r2.x	  = (r.width - r2.width) / 2;
 	r2.y	  = r2.y + gh * 2;
 	MwLLDrawPixmap(handle->lowlevel, &r2, px);
-	MwLLDestroyPixmap(px);
+	MwDestroyPixmap(px);
 
 	px	  = blit(handle, months[MwGetInteger(handle, MwNmonth)], cb, ct, gh);
 	r2	  = r3;
@@ -200,7 +200,7 @@ static void draw(MwWidget handle) {
 	r2.x	  = (r.width - r2.width) / 2;
 	r2.y	  = r2.y + h - gh * 2 - r2.height;
 	MwLLDrawPixmap(handle->lowlevel, &r2, px);
-	MwLLDestroyPixmap(px);
+	MwDestroyPixmap(px);
 
 	MwStringPrintIntoBuffer(buf, 5, "%d", MwGetInteger(handle, MwNyear));
 
@@ -211,7 +211,7 @@ static void draw(MwWidget handle) {
 	r2.x	  = (r.width - r2.width) / 2;
 	r2.y	  = r2.y + h + gh * 6;
 	MwLLDrawPixmap(handle->lowlevel, &r2, px);
-	MwLLDestroyPixmap(px);
+	MwDestroyPixmap(px);
 
 	MwLLFreeColor(cf);
 	MwLLFreeColor(ct);

src/widget/label.c

@@ -309,7 +309,7 @@ static void draw_seven_segment(MwWidget handle) {
 
 	free(raw);
 
-	MwLLDestroyPixmap(px);
+	MwDestroyPixmap(px);
 }
 
 static void draw_normal(MwWidget handle) {

src/widget/opengl.c

@@ -617,7 +617,7 @@ static void frontbuffer_resize(MwWidget handle) {
 			free(o->frontbuffer_data);
 		}
 		if(o->frontbuffer) {
-			MwLLDestroyPixmap(o->frontbuffer);
+			MwDestroyPixmap(o->frontbuffer);
 		}
 		if(o->gbm_surface) {
 			o->gbm_surface_destroy(o->gbm_surface);