Mercurial > hg > toolkit / file diff

--- a/ui/win32/menu.c	Wed Dec 31 10:34:29 2025 +0100
+++ b/ui/win32/menu.c	Wed Dec 31 11:06:54 2025 +0100
@@ -28,6 +28,8 @@
 
 #include "menu.h"
 
+#include <cx/array_list.h>
+
 static ui_menu_add_f createMenuItem[] = {
     /* UI_MENU                 */ ui_add_menu,
     /* UI_MENU_ITEM            */ ui_add_menu_item,
@@ -164,8 +166,94 @@
     menu_stateitem_update(i->obj);
 }
 
+static void menu_radioitem_clicked(UiObject *obj, uint64_t id, UiStateMenuItem *item) {
+    UiInteger *i = item->var->value; // UiVar is always not NULL for radio items
+    ui_set(i, item->index+1);
+
+    UiEvent event;
+    event.obj = obj;
+    event.window = obj->window;
+    event.document = obj->ctx->document;
+    event.eventdata = i;
+    event.eventdatatype = UI_EVENT_DATA_INTEGER_VALUE;
+    event.intval = item->state;
+    event.set = ui_get_setop();
+
+    if (item->onchange) {
+        item->onchange(&event, item->userdata);
+    }
+
+    event.intval = (int)ui_get(i);
+    ui_notify_evt(i->observers, &event);
+}
+
 void ui_add_menu_radioitem(HMENU parent, int pos, UiMenuItemI *item, UiObject *obj) {
+    uint64_t id = ++obj->ctx->command_id_counter;
 
+    UiMenuRadioItem *i = (UiMenuRadioItem*)item;
+    AppendMenu(parent, MF_STRING, id, i->label);
+
+    UiVar *var = uic_widget_var(obj->ctx, obj->ctx, NULL, i->varname, UI_VAR_INTEGER);
+    if (!var) {
+        return; // radio item without var is useless
+    }
+
+    UiInteger *v = var->value;
+    CxList *group = v->obj;
+    if (!group) {
+        // first radio button in this group
+        group = cxArrayListCreate(obj->ctx->allocator, sizeof(UiStateMenuItem), 4);
+        v->obj = group;
+        v->get = ui_radioitem_get;
+        v->set = ui_radioitem_set;
+    }
+
+    UiStateMenuItem sitem = { 0 };
+    sitem.obj = obj;
+    sitem.menu = parent;
+    sitem.id = id;
+    sitem.onchange = i->callback;
+    sitem.userdata = i->userdata;
+    sitem.var = var;
+    sitem.index = (int)cxListSize(group);
+    cxListAdd(group, &sitem);
+
+    if (v->value == sitem.index+1) {
+        sitem.state = 1;
+        menu_stateitem_update(&sitem);
+    }
+
+
+    UiStateMenuItem *sitem_ptr = cxListAt(group, sitem.index);
+    // register command id
+    UiCommand cmd;
+    cmd.callback = (ui_command_func)menu_radioitem_clicked;
+    cmd.userdata = sitem_ptr;
+    cxMapPut(obj->ctx->command_map, id, &cmd);
+}
+
+int64_t ui_radioitem_get(UiInteger *i) {
+    return i->value;
+}
+
+void ui_radioitem_set(UiInteger *i, int64_t value) {
+    CxList *group = i->obj;
+    // de-select all items
+    CxIterator it = cxListIterator(group);
+    cx_foreach(UiStateMenuItem *, item, it) {
+        if (item->state) {
+            item->state = FALSE;
+            menu_stateitem_update(item);
+        }
+    }
+
+    if (value > 0) {
+        UiStateMenuItem *item = cxListAt(group, value-1);
+        if (item) {
+            item->state = TRUE;
+            menu_stateitem_update(item);
+        }
+    }
 }
 
 void ui_add_menu_list(HMENU parent, int pos, UiMenuItemI *item, UiObject *obj) {