fix for -O3

include/Mw/Core.h

@@ -246,13 +246,6 @@ MWDECL void MwSetErrorHandler(MwErrorHandler handler, void* user_data);
  */
 MWDECL void MwDispatchError(int code, const char* message);
 
-/*!
- * @brief Gets the before_step of widget
- * @param handle Widget
- * @param jmpbuf jmp_buf
- */
-MWDECL void MwGetBeforeStep(MwWidget handle, jmp_buf* jmpbuf);
-
 /*!
  * @brief Forcefully makes widget render
  * @param handle Widget

include/Mw/LowLevel/Wayland.h

@@ -434,7 +434,7 @@ struct _MwLLWayland {
 	}* wl_protocol_map;
 
 	MwBool has_decorations;
-	char   title[255];
+	char   title[256];
 
 	struct xkb_context* xkb_context;
 	struct xkb_keymap*  xkb_keymap;

include/Mw/MachDep.h

@@ -9,7 +9,6 @@
 #include <string.h>
 #include <stdio.h>
 #include <stdarg.h>
-#include <setjmp.h>
 #include <sys/types.h>
 #include <assert.h>
 #include <math.h>

include/Mw/TypeDefs.h

@@ -35,6 +35,7 @@ typedef void* MwWidget;
 #endif
 typedef void (*MwHandler)(MwWidget handle);
 typedef int (*MwHandlerWithStatus)(MwWidget handle);
+typedef void (*MwHandlerProps)(MwWidget handle, const char** key);
 typedef void (*MwHandlerProp)(MwWidget handle, const char* key);
 typedef void (*MwHandlerChildrenProp)(MwWidget handle, MwWidget child, const char* key);
 typedef void (*MwHandlerKey)(MwWidget handle, int key);
@@ -85,7 +86,6 @@ struct _MwWidget {
 	int	pressed;
 	MwPoint mouse_point;
 	int	close;
-	jmp_buf before_step;
 	int	prop_event;
 
 	void* internal;
@@ -228,10 +228,10 @@ struct _MwClass {
 	MwHandler		   children_update;
 	MwHandlerChildrenProp	   children_prop_change;
 	MwHandlerClipboardReceived clipboard;
+	MwHandlerProps		   props_change;
 	void*			   reserved1;
 	void*			   reserved2;
 	void*			   reserved3;
-	void*			   reserved4;
 };
 
 #endif

src/core.c

@@ -340,8 +340,8 @@ static void MwFreeWidget(MwWidget handle) {
 	}
 
 	handle->destroyed = 0;
-	MwDispatch(handle, destroy);
 	if(handle->destroy_inject != NULL) handle->destroy_inject(handle);
+	MwDispatch(handle, destroy);
 
 	for(i = 0; i < arrlen(handle->children); i++) {
 		MwFreeWidget(handle->children[i]);
@@ -392,6 +392,8 @@ static void destroy_children(MwWidget handle) {
 }
 
 void MwDestroyWidget(MwWidget handle) {
+	if(handle->destroyed) return;
+
 	if(handle->parent != NULL) {
 		int i;
 		for(i = 0; i < arrlen(handle->parent->destroy_queue); i++) {
@@ -457,7 +459,6 @@ static void MwAfterStep(MwWidget handle) {
 int MwStep(MwWidget handle) {
 	int	  i;
 	MwWidget* widgets = NULL;
-	if(setjmp(handle->before_step)) return 0;
 	for(i = 0; i < arrlen(handle->children); i++) {
 		arrput(widgets, handle->children[i]);
 	}
@@ -859,10 +860,6 @@ void MwDispatchError(int code, const char* message) {
 	}
 }
 
-void MwGetBeforeStep(MwWidget handle, jmp_buf* jmpbuf) {
-	memcpy(jmpbuf, &handle->before_step, sizeof(*jmpbuf));
-}
-
 void MwForceRender(MwWidget handle) {
 	MwLLForceRender(handle->lowlevel);
 }

src/widget/submenu.c

@@ -102,7 +102,6 @@ static void draw(MwWidget handle) {
 
 static void click(MwWidget handle) {
 	MwWidget w = handle;
-	jmp_buf	 jmp;
 	MwMenu	 menu = handle->internal;
 
 	if(arrlen(menu->sub) > 0) {
@@ -152,7 +151,6 @@ static void click(MwWidget handle) {
 					MwForceRender(handle);
 				} else if(strcmp(menu->sub[i]->name, "----") != 0 && arrlen(menu->sub[i]->sub) == 0) {
 					while(w->parent->widget_class == MwSubMenuClass) w = w->parent;
-					MwGetBeforeStep(w, &jmp);
 
 					MwDestroyWidget(w);
 					((MwMenu)w->internal)->wsub = NULL;