Mercurial > hg > toolkit / file diff

--- a/ui/motif/menu.c	Tue Apr 01 11:53:10 2014 +0200
+++ b/ui/motif/menu.c	Tue Apr 01 13:47:29 2014 +0200
@@ -136,6 +136,21 @@
     cm->items = ucx_list_append(cm->items, item);
 }
 
+void ui_menuitem_list(UiList *items, ui_callback f, void *userdata) {
+    if(!current) {
+        return;
+    }
+    
+    UiMenuItemList *item = malloc(sizeof(UiMenuItemList));
+    item->item.add_to = (ui_menu_add_f)add_menuitem_list_widget;
+    item->callback = f;
+    item->userdata = userdata;
+    item->list = items;
+    
+    UiMenu *cm = current->data;
+    cm->items = ucx_list_append(cm->items, item);
+}
+
 
 // private menu functions
 void ui_create_menubar(UiObject *obj) {
@@ -204,6 +219,7 @@
         event->obj = obj;
         event->user_data = mi->userdata;
         event->callback = mi->callback;
+        event->value = 0;
         XtAddCallback(
                 mitem,
                 XmNactivateCallback,
@@ -292,8 +308,104 @@
     } else {
         // TODO: error
     }
+    
+    return 1;
+}
+
+int add_menuitem_list_widget(
+        Widget parent,
+        int i,
+        UiMenuItemI *item,
+        UiObject *obj)
+{
+    UiMenuItemList *il = (UiMenuItemList*)item;
+    UcxMempool *mp = obj->ctx->mempool;
+    
+    UiActiveMenuItemList *ls = ucx_mempool_malloc(
+            mp,
+            sizeof(UiActiveMenuItemList));
+    
+    ls->object = obj;
+    ls->menu = parent;
+    ls->index = i;
+    ls->oldcount = 0;
+    ls->list = il->list;
+    ls->callback = il->callback;
+    ls->userdata = il->userdata;
+    
+    ls->list->observers = ui_add_observer(
+            ls->list->observers,
+            (ui_callback)ui_update_menuitem_list,
+            ls);
+    
+    ui_update_menuitem_list(NULL, ls);
+    
+    return 0;
 }
 
+void ui_update_menuitem_list(UiEvent *event, UiActiveMenuItemList *list) {
+    Arg args[4];
+    
+    // remove old items
+    if(list->oldcount > 0) {
+        Widget *children;
+        int nc;
+        
+        XtVaGetValues(
+                list->menu,
+                XmNchildren,
+                &children,
+                XmNnumChildren,
+                &nc,
+                NULL);
+        
+        for(int i=0;i<list->oldcount;i++) {
+            XtDestroyWidget(children[list->index + i]);
+        }
+    }
+    
+    char *str = ui_list_first(list->list);
+    if(str) {
+        // add separator
+        XtSetArg(args[0], XmNpositionIndex, list->index);
+        Widget s = XmCreateSeparatorGadget (list->menu, "menu_separator", args, 1);
+        XtManageChild(s);
+    }
+    int i = 1;
+    while(str) {
+        XmString label = XmStringCreateLocalized(str);
+        XtSetArg(args[0], XmNlabelString, label);
+        XtSetArg(args[1], XmNpositionIndex, list->index + i);
+
+        Widget mitem = XtCreateManagedWidget(
+                "menubutton",
+                xmPushButtonWidgetClass,
+                list->menu,
+                args,
+                2);
+        XmStringFree(label);
+        
+        if(list->callback) {
+            // TODO: use mempool
+            UiEventData *event = malloc(sizeof(UiEventData));
+            event->obj = list->object;
+            event->user_data = list->userdata;
+            event->callback = list->callback;
+            event->value = i - 1;
+
+            XtAddCallback(
+                mitem,
+                XmNactivateCallback,
+                (XtCallbackProc)ui_push_button_callback,
+                event);
+        }
+        
+        str = ui_list_next(list->list);
+        i++;
+    }
+    
+    list->oldcount = i;
+}
 
 void ui_menu_event_wrapper(Widget widget, XtPointer udata, XtPointer cdata) {
     UiEventData *event = udata;