--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/gtk/menu.c Sun Jan 21 16:30:18 2024 +0100
@@ -0,0 +1,474 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2017 Olaf Wintermann. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <inttypes.h>
+#include <stdarg.h>
+
+#include "menu.h"
+#include "toolkit.h"
+#include "../common/context.h"
+#include "../common/menu.h"
+#include "../ui/properties.h"
+#include "../ui/window.h"
+#include "container.h"
+
+#include <cx/linked_list.h>
+#include <cx/array_list.h>
+
+
+static ui_menu_add_f createMenuItem[] = {
+ /* UI_MENU */ add_menu_widget,
+ /* UI_MENU_SUBMENU */ add_menu_widget,
+ /* UI_MENU_ITEM */ add_menuitem_widget,
+ /* UI_MENU_STOCK_ITEM */ add_menuitem_st_widget,
+ /* UI_MENU_CHECK_ITEM */ add_checkitem_widget,
+ /* UI_MENU_CHECK_ITEM_NV */ add_checkitemnv_widget,
+ /* UI_MENU_ITEM_LIST */ add_menuitem_list_widget,
+ /* UI_MENU_ITEM_LIST_NV */ NULL, // TODO
+ /* UI_MENU_SEPARATOR */ add_menuseparator_widget
+};
+
+// private menu functions
+GtkWidget *ui_create_menubar(UiObject *obj) {
+ UiMenu *menus_begin = uic_get_menu_list();
+ if(menus_begin == NULL) {
+ return NULL;
+ }
+
+ GtkWidget *mb = gtk_menu_bar_new();
+
+ UiMenu *ls = menus_begin;
+ while(ls) {
+ UiMenu *menu = ls;
+ add_menu_widget(mb, 0, &menu->item, obj);
+
+ ls = (UiMenu*)ls->item.next;
+ }
+
+ return mb;
+}
+
+void add_menu_widget(GtkWidget *parent, int i, UiMenuItemI *item, UiObject *obj) {
+ UiMenu *menu = (UiMenu*)item;
+
+ GtkWidget *menu_widget = gtk_menu_new();
+ GtkWidget *menu_item = gtk_menu_item_new_with_mnemonic(menu->label);
+ gtk_menu_item_set_submenu(GTK_MENU_ITEM(menu_item), menu_widget);
+
+ UiMenuItemI *it = menu->items_begin;
+ int index = 0;
+ while(it) {
+ createMenuItem[it->type](menu_widget, index, it, obj);
+
+ it = it->next;
+ index++;
+ }
+
+ gtk_menu_shell_append(GTK_MENU_SHELL(parent), menu_item);
+}
+
+void add_menuitem_widget(GtkWidget *parent, int index, UiMenuItemI *item, UiObject *obj) {
+ UiMenuItem *i = (UiMenuItem*)item;
+
+ //GtkWidget *widget = gtk_menu_item_new_with_label(i->title);
+ GtkWidget *widget = gtk_menu_item_new_with_mnemonic(i->label);
+
+ if(i->callback != NULL) {
+ UiEventData *event = malloc(sizeof(UiEventData));
+ event->obj = obj;
+ event->userdata = i->userdata;
+ event->callback = i->callback;
+ event->value = 0;
+
+ g_signal_connect(
+ widget,
+ "activate",
+ G_CALLBACK(ui_menu_event_wrapper),
+ event);
+ g_signal_connect(
+ widget,
+ "destroy",
+ G_CALLBACK(ui_destroy_userdata),
+ event);
+ }
+
+ gtk_menu_shell_append(GTK_MENU_SHELL(parent), widget);
+
+ if(i->groups) {
+ uic_add_group_widget(obj->ctx, widget, (ui_enablefunc)ui_set_enabled, i->groups);
+ }
+}
+
+void add_menuitem_st_widget(
+ GtkWidget *parent,
+ int index,
+ UiMenuItemI *item,
+ UiObject *obj)
+{
+ UiStMenuItem *i = (UiStMenuItem*)item;
+
+ GtkWidget *widget = gtk_image_menu_item_new_from_stock(i->stockid, obj->ctx->accel_group);
+
+ if(i->callback != NULL) {
+ UiEventData *event = malloc(sizeof(UiEventData));
+ event->obj = obj;
+ event->userdata = i->userdata;
+ event->callback = i->callback;
+ event->value = 0;
+
+ g_signal_connect(
+ widget,
+ "activate",
+ G_CALLBACK(ui_menu_event_wrapper),
+ event);
+ g_signal_connect(
+ widget,
+ "destroy",
+ G_CALLBACK(ui_destroy_userdata),
+ event);
+ }
+
+ gtk_menu_shell_append(GTK_MENU_SHELL(parent), widget);
+
+ if(i->groups) {
+ uic_add_group_widget(obj->ctx, widget, (ui_enablefunc)ui_set_enabled, i->groups);
+ }
+}
+
+void add_menuseparator_widget(
+ GtkWidget *parent,
+ int index,
+ UiMenuItemI *item,
+ UiObject *obj)
+{
+ gtk_menu_shell_append(
+ GTK_MENU_SHELL(parent),
+ gtk_separator_menu_item_new());
+}
+
+void add_checkitem_widget(GtkWidget *p, int index, UiMenuItemI *item, UiObject *obj) {
+ UiCheckItem *ci = (UiCheckItem*)item;
+ GtkWidget *widget = gtk_check_menu_item_new_with_mnemonic(ci->label);
+ gtk_menu_shell_append(GTK_MENU_SHELL(p), widget);
+
+ if(ci->callback) {
+ UiEventData *event = malloc(sizeof(UiEventData));
+ event->obj = obj;
+ event->userdata = ci->userdata;
+ event->callback = ci->callback;
+ event->value = 0;
+
+ g_signal_connect(
+ widget,
+ "toggled",
+ G_CALLBACK(ui_menu_event_toggled),
+ event);
+ g_signal_connect(
+ widget,
+ "destroy",
+ G_CALLBACK(ui_destroy_userdata),
+ event);
+ }
+}
+
+void add_checkitemnv_widget(GtkWidget *p, int index, UiMenuItemI *item, UiObject *obj) {
+ UiCheckItemNV *ci = (UiCheckItemNV*)item;
+ GtkWidget *widget = gtk_check_menu_item_new_with_mnemonic(ci->label);
+ gtk_menu_shell_append(GTK_MENU_SHELL(p), widget);
+
+ UiVar *var = uic_create_var(obj->ctx, ci->varname, UI_VAR_INTEGER);
+ if(var) {
+ UiInteger *value = var->value;
+ value->obj = widget;
+ value->get = ui_checkitem_get;
+ value->set = ui_checkitem_set;
+ value = 0;
+ } else {
+ // TODO: error
+ }
+}
+
+void add_menuitem_list_widget(GtkWidget *p, int index, UiMenuItemI *item, UiObject *obj) {
+ UiMenuItemList *il = (UiMenuItemList*)item;
+ const CxAllocator *a = obj->ctx->allocator;
+
+ UiActiveMenuItemList *ls = cxMalloc(
+ a,
+ sizeof(UiActiveMenuItemList));
+
+ ls->object = obj;
+ ls->menu = GTK_MENU_SHELL(p);
+ ls->index = index;
+ 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);
+}
+
+
+void ui_update_menuitem_list(UiEvent *event, UiActiveMenuItemList *list) {
+ // remove old items
+ if(list->oldcount > 0) {
+ int i = 0;
+ GList *mi = gtk_container_get_children(GTK_CONTAINER(list->menu));
+ while(mi) {
+ if(i >= list->index && i < list->index + list->oldcount) {
+ //gtk_container_remove(GTK_CONTAINER(list->menu), mi->data);
+ gtk_widget_destroy(mi->data);
+ }
+ mi = mi->next;
+ i++;
+ }
+ }
+
+ char *str = ui_list_first(list->list);
+ if(str) {
+ GtkWidget *widget = gtk_separator_menu_item_new();
+ gtk_menu_shell_insert(list->menu, widget, list->index);
+ gtk_widget_show(widget);
+ }
+ int i = 1;
+ while(str) {
+ GtkWidget *widget = gtk_menu_item_new_with_label(str);
+ gtk_menu_shell_insert(list->menu, widget, list->index + i);
+ gtk_widget_show(widget);
+
+ if(list->callback) {
+ // TODO: use mempool
+ UiEventData *event = malloc(sizeof(UiEventData));
+ event->obj = list->object;
+ event->userdata = list->userdata;
+ event->callback = list->callback;
+ event->value = i - 1;
+
+ g_signal_connect(
+ widget,
+ "activate",
+ G_CALLBACK(ui_menu_event_wrapper),
+ event);
+ g_signal_connect(
+ widget,
+ "destroy",
+ G_CALLBACK(ui_destroy_userdata),
+ event);
+ }
+
+ str = ui_list_next(list->list);
+ i++;
+ }
+
+ list->oldcount = i;
+}
+
+void ui_menu_event_wrapper(GtkMenuItem *item, UiEventData *event) {
+ UiEvent evt;
+ evt.obj = event->obj;
+ evt.window = event->obj->window;
+ evt.document = event->obj->ctx->document;
+ evt.eventdata = NULL;
+ evt.intval = event->value;
+ event->callback(&evt, event->userdata);
+}
+
+void ui_menu_event_toggled(GtkCheckMenuItem *ci, UiEventData *event) {
+ UiEvent evt;
+ evt.obj = event->obj;
+ evt.window = event->obj->window;
+ evt.document = event->obj->ctx->document;
+ evt.eventdata = NULL;
+ evt.intval = gtk_check_menu_item_get_active(ci);
+ event->callback(&evt, event->userdata);
+}
+
+int64_t ui_checkitem_get(UiInteger *i) {
+ int state = gtk_check_menu_item_get_active(i->obj);
+ i->value = state;
+ return state;
+}
+
+void ui_checkitem_set(UiInteger *i, int64_t value) {
+ i->value = value;
+ gtk_check_menu_item_set_active(i->obj, value);
+}
+
+
+/*
+ * widget menu functions
+ */
+
+static gboolean ui_button_press_event(GtkWidget *widget, GdkEvent *event, GtkMenu *menu) {
+ if(event->type == GDK_BUTTON_PRESS) {
+ GdkEventButton *e = (GdkEventButton*)event;
+ if(e->button == 3) {
+ gtk_widget_show_all(GTK_WIDGET(menu));
+ ui_contextmenu_popup(menu);
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+UIMENU ui_contextmenu(UiObject *obj) {
+ UiContainer *ct = uic_get_current_container(obj);
+ return ui_contextmenu_w(obj, ct->current);
+}
+
+UIMENU ui_contextmenu_w(UiObject *obj, UIWIDGET widget) {
+ UiContainer *ct = uic_get_current_container(obj);
+
+ GtkMenu *menu = GTK_MENU(gtk_menu_new());
+ g_signal_connect(widget, "button-press-event", (GCallback) ui_button_press_event, menu);
+
+ ct->menu = menu;
+ return menu;
+}
+
+void ui_contextmenu_popup(UIMENU menu) {
+#if GTK_MAJOR_VERSION >= 3 && GTK_MINOR_VERSION >= 16
+ gtk_menu_popup_at_pointer(menu, NULL);
+#else
+ gtk_menu_popup(menu, NULL, NULL, 0, 0, 0, gtk_get_current_event_time());
+#endif
+}
+
+void ui_widget_menuitem(UiObject *obj, char *label, ui_callback f, void *userdata) {
+ ui_widget_menuitem_gr(obj, label, f, userdata, -1);
+}
+
+void ui_widget_menuitem_gr(UiObject *obj, char *label, ui_callback f, void *userdata, ...) {
+ UiContainer *ct = uic_get_current_container(obj);
+ if(!ct->menu) {
+ return;
+ }
+
+ // add groups
+ CxList *groups = NULL;
+ va_list ap;
+ va_start(ap, userdata);
+ int group;
+ while((group = va_arg(ap, int)) != -1) {
+ if(!groups) {
+ groups = cxArrayListCreate(cxDefaultAllocator, NULL, sizeof(int), 16);
+ }
+ cxListAdd(groups, &group);
+ }
+ va_end(ap);
+
+ // create menuitem
+ GtkWidget *widget = gtk_menu_item_new_with_mnemonic(label);
+ gtk_widget_show(widget);
+
+ if(f) {
+ UiEventData *event = malloc(sizeof(UiEventData));
+ event->obj = obj;
+ event->userdata = userdata;
+ event->callback = f;
+ event->value = 0;
+
+ g_signal_connect(
+ widget,
+ "activate",
+ G_CALLBACK(ui_menu_event_wrapper),
+ event);
+ g_signal_connect(
+ widget,
+ "destroy",
+ G_CALLBACK(ui_destroy_userdata),
+ event);
+ }
+
+ gtk_menu_shell_append(GTK_MENU_SHELL(ct->menu), widget);
+
+ if(groups) {
+ uic_add_group_widget(obj->ctx, widget, (ui_enablefunc)ui_set_enabled, groups);
+ cxListDestroy(groups);
+ }
+}
+
+void ui_widget_menuitem_st(UiObject *obj, char *stockid, ui_callback f, void *userdata) {
+ ui_widget_menuitem_stgr(obj, stockid, f, userdata, -1);
+}
+
+void ui_widget_menuitem_stgr(UiObject *obj, char *stockid, ui_callback f, void *userdata, ...) {
+ UiContainer *ct = uic_get_current_container(obj);
+ if(!ct->menu) {
+ return;
+ }
+
+ // add groups
+ CxList *groups = NULL;
+ va_list ap;
+ va_start(ap, userdata);
+ int group;
+ while((group = va_arg(ap, int)) != -1) {
+ if(!groups) {
+ groups = cxArrayListCreate(cxDefaultAllocator, NULL, sizeof(int), 16);
+ }
+ cxListAdd(groups, &group);
+ }
+ va_end(ap);
+
+ // create menuitem
+ GtkWidget *widget = gtk_image_menu_item_new_from_stock(stockid, obj->ctx->accel_group);
+ gtk_widget_show(widget);
+
+ if(f) {
+ UiEventData *event = malloc(sizeof(UiEventData));
+ event->obj = obj;
+ event->userdata = userdata;
+ event->callback = f;
+ event->value = 0;
+
+ g_signal_connect(
+ widget,
+ "activate",
+ G_CALLBACK(ui_menu_event_wrapper),
+ event);
+ g_signal_connect(
+ widget,
+ "destroy",
+ G_CALLBACK(ui_destroy_userdata),
+ event);
+ }
+
+ gtk_menu_shell_append(GTK_MENU_SHELL(ct->menu), widget);
+
+ if(groups) {
+ uic_add_group_widget(obj->ctx, widget, (ui_enablefunc)ui_set_enabled, groups);
+ cxListDestroy(groups);
+ }
+}