libui/GTK: start adding submenu support. cleanup still has to be done. use uiMenuAppendCheckItem() for checkable items.

src/libui_sdl/libui/unix/menu.c

@@ -10,6 +10,7 @@ static gboolean hasAbout = FALSE;
 struct uiMenu {
 	char *name;
 	GArray *items;					// []*uiMenuItem
+	gboolean ischild;
 };
 
 struct uiMenuItem {
@@ -21,6 +22,7 @@ struct uiMenuItem {
 	gboolean disabled;
 	gboolean checked;
 	GHashTable *windows;			// map[GtkMenuItem]*menuItemWindow
+	uiMenu *popupchild;
 };
 
 struct menuItemWindow {
@@ -35,6 +37,7 @@ enum {
 	typePreferences,
 	typeAbout,
 	typeSeparator,
+	typeSubmenu,
 };
 
 // we do NOT want programmatic updates to raise an ::activated signal
@@ -179,6 +182,33 @@ static uiMenuItem *newItem(uiMenu *m, int type, const char *name)
 	}
 
 	item->windows = g_hash_table_new(g_direct_hash, g_direct_equal);
+	item->popupchild = NULL;
+
+	return item;
+}
+
+uiMenuItem *uiMenuAppendSubmenu(uiMenu *m, uiMenu* child)
+{
+	uiMenuItem *item;
+
+	if (menusFinalized)
+		userbug("You cannot create a new menu item after menus have been finalized.");
+
+	item = uiNew(uiMenuItem);
+
+	g_array_append_val(m->items, item);
+
+	item->type = typeSubmenu;
+	item->name = child->name;
+
+	uiMenuItemOnClicked(item, defaultOnClicked, NULL);
+
+    // checkme
+	item->gtype = GTK_TYPE_MENU_ITEM;
+
+	item->windows = g_hash_table_new(g_direct_hash, g_direct_equal);
+	item->popupchild = child;
+	child->ischild = TRUE;
 
 	return item;
 }
@@ -240,6 +270,7 @@ uiMenu *uiNewMenu(const char *name)
 
 	m->name = g_strdup(name);
 	m->items = g_array_new(FALSE, TRUE, sizeof (uiMenuItem *));
+	m->ischild = FALSE;
 
 	return m;
 }
@@ -260,10 +291,24 @@ static void appendMenuItem(GtkMenuShell *submenu, uiMenuItem *item, uiWindow *w)
 			singleSetChecked(GTK_CHECK_MENU_ITEM(menuitem), item->checked, signal);
 	}
 	gtk_menu_shell_append(submenu, menuitem);
+	
 	ww = uiNew(struct menuItemWindow);
 	ww->w = w;
 	ww->signal = signal;
 	g_hash_table_insert(item->windows, menuitem, ww);
+	
+	if (item->popupchild != NULL)
+	{
+	    int j;
+	    uiMenu* m;
+	    GtkWidget *submenu;
+	    
+	    m = item->popupchild;
+		submenu = gtk_menu_new();
+		gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
+		for (j = 0; j < m->items->len; j++)
+			appendMenuItem(GTK_MENU_SHELL(submenu), g_array_index(m->items, uiMenuItem *, j), w);
+	}
 }
 
 GtkWidget *makeMenubar(uiWindow *w)
@@ -281,6 +326,7 @@ GtkWidget *makeMenubar(uiWindow *w)
 	if (menus != NULL)
 		for (i = 0; i < menus->len; i++) {
 			m = g_array_index(menus, uiMenu *, i);
+			if (m->ischild) continue;
 			menuitem = gtk_menu_item_new_with_label(m->name);
 			submenu = gtk_menu_new();
 			gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);

src/libui_sdl/main.cpp

@@ -594,7 +594,7 @@ void SetupScreenRects(int width, int height)
 
     switch (ScreenRotation)
     {
-    case 1: // 90<EFBFBD>
+    case 1: // 90\B0
         {
             uiDrawMatrixTranslate(&TopScreenTrans, -TopScreenRect.X, -TopScreenRect.Y);
             uiDrawMatrixRotate(&TopScreenTrans, 0, 0, M_PI/2.0f);
@@ -612,7 +612,7 @@ void SetupScreenRects(int width, int height)
         }
         break;
 
-    case 2: // 180<EFBFBD>
+    case 2: // 180\B0
         {
             uiDrawMatrixTranslate(&TopScreenTrans, -TopScreenRect.X, -TopScreenRect.Y);
             uiDrawMatrixRotate(&TopScreenTrans, 0, 0, M_PI);
@@ -624,7 +624,7 @@ void SetupScreenRects(int width, int height)
         }
         break;
 
-    case 3: // 270<EFBFBD>
+    case 3: // 270\B0
         {
             uiDrawMatrixTranslate(&TopScreenTrans, -TopScreenRect.X, -TopScreenRect.Y);
             uiDrawMatrixRotate(&TopScreenTrans, 0, 0, -M_PI/2.0f);
@@ -1057,7 +1057,7 @@ int main(int argc, char** argv)
         {
             char name[32];
             sprintf(name, "%d", kScreenRot[i]*90);
-            MenuItem_ScreenRot[i] = uiMenuAppendItem(submenu, name);
+            MenuItem_ScreenRot[i] = uiMenuAppendCheckItem(submenu, name);
             uiMenuItemOnClicked(MenuItem_ScreenRot[i], OnSetScreenRotation, (void*)&kScreenRot[i]);
         }
 
@@ -1071,7 +1071,7 @@ int main(int argc, char** argv)
         {
             char name[32];
             sprintf(name, "%d pixels", kScreenGap[i]);
-            MenuItem_ScreenGap[i] = uiMenuAppendItem(submenu, name);
+            MenuItem_ScreenGap[i] = uiMenuAppendCheckItem(submenu, name);
             uiMenuItemOnClicked(MenuItem_ScreenGap[i], OnSetScreenGap, (void*)&kScreenGap[i]);
         }
 
@@ -1080,11 +1080,11 @@ int main(int argc, char** argv)
     {
         uiMenu* submenu = uiNewMenu("Screen layout");
 
-        MenuItem_ScreenLayout[0] = uiMenuAppendItem(submenu, "Natural");
+        MenuItem_ScreenLayout[0] = uiMenuAppendCheckItem(submenu, "Natural");
         uiMenuItemOnClicked(MenuItem_ScreenLayout[0], OnSetScreenLayout, (void*)&kScreenLayout[0]);
-        MenuItem_ScreenLayout[1] = uiMenuAppendItem(submenu, "Vertical");
+        MenuItem_ScreenLayout[1] = uiMenuAppendCheckItem(submenu, "Vertical");
         uiMenuItemOnClicked(MenuItem_ScreenLayout[1], OnSetScreenLayout, (void*)&kScreenLayout[1]);
-        MenuItem_ScreenLayout[2] = uiMenuAppendItem(submenu, "Horizontal");
+        MenuItem_ScreenLayout[2] = uiMenuAppendCheckItem(submenu, "Horizontal");
         uiMenuItemOnClicked(MenuItem_ScreenLayout[2], OnSetScreenLayout, (void*)&kScreenLayout[2]);
 
         uiMenuAppendSubmenu(menu, submenu);
@@ -1092,13 +1092,13 @@ int main(int argc, char** argv)
     {
         uiMenu* submenu = uiNewMenu("Screen sizing");
 
-        MenuItem_ScreenSizing[0] = uiMenuAppendItem(submenu, "Even");
+        MenuItem_ScreenSizing[0] = uiMenuAppendCheckItem(submenu, "Even");
         uiMenuItemOnClicked(MenuItem_ScreenSizing[0], OnSetScreenSizing, (void*)&kScreenSizing[0]);
-        MenuItem_ScreenSizing[1] = uiMenuAppendItem(submenu, "Emphasize top");
+        MenuItem_ScreenSizing[1] = uiMenuAppendCheckItem(submenu, "Emphasize top");
         uiMenuItemOnClicked(MenuItem_ScreenSizing[1], OnSetScreenSizing, (void*)&kScreenSizing[1]);
-        MenuItem_ScreenSizing[2] = uiMenuAppendItem(submenu, "Emphasize bottom");
+        MenuItem_ScreenSizing[2] = uiMenuAppendCheckItem(submenu, "Emphasize bottom");
         uiMenuItemOnClicked(MenuItem_ScreenSizing[2], OnSetScreenSizing, (void*)&kScreenSizing[2]);
-        MenuItem_ScreenSizing[3] = uiMenuAppendItem(submenu, "Auto");
+        MenuItem_ScreenSizing[3] = uiMenuAppendCheckItem(submenu, "Auto");
         uiMenuItemOnClicked(MenuItem_ScreenSizing[3], OnSetScreenSizing, (void*)&kScreenSizing[3]);
 
         uiMenuAppendSubmenu(menu, submenu);