vmap/libs/gtkutil/menu.cpp
2020-11-17 12:16:16 +01:00

275 lines
8.9 KiB
C++

/*
Copyright (C) 2001-2006, William Joseph.
All Rights Reserved.
This file is part of GtkRadiant.
GtkRadiant is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
GtkRadiant is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "menu.h"
#include <ctype.h>
#include <gtk/gtk.h>
#include <uilib/uilib.h>
#include <debugging/debugging.h>
#include "generic/callback.h"
#include "accelerator.h"
#include "closure.h"
#include "container.h"
#include "pointer.h"
void menu_add_item(ui::Menu menu, ui::MenuItem item)
{
menu.add(item);
}
ui::MenuItem menu_separator(ui::Menu menu)
{
auto menu_item = ui::MenuItem::from(gtk_menu_item_new());
menu.add(menu_item);
gtk_widget_set_sensitive(menu_item, FALSE);
menu_item.show();
return menu_item;
}
ui::TearoffMenuItem menu_tearoff(ui::Menu menu)
{
auto menu_item = ui::TearoffMenuItem::from(gtk_tearoff_menu_item_new());
menu.add(menu_item);
// gtk_widget_set_sensitive(menu_item, FALSE); -- controls whether menu is detachable
menu_item.show();
return menu_item;
}
ui::MenuItem new_sub_menu_item_with_mnemonic(const char *mnemonic)
{
auto item = ui::MenuItem(mnemonic, true);
item.show();
auto sub_menu = ui::Menu(ui::New);
gtk_menu_item_set_submenu(item, sub_menu);
return item;
}
ui::Menu create_sub_menu_with_mnemonic(ui::MenuShell parent, const char *mnemonic)
{
auto item = new_sub_menu_item_with_mnemonic(mnemonic);
parent.add(item);
return ui::Menu::from(gtk_menu_item_get_submenu(item));
}
ui::Menu create_sub_menu_with_mnemonic(ui::MenuBar bar, const char *mnemonic)
{
return create_sub_menu_with_mnemonic(ui::MenuShell::from(bar._handle), mnemonic);
}
ui::Menu create_sub_menu_with_mnemonic(ui::Menu parent, const char *mnemonic)
{
return create_sub_menu_with_mnemonic(ui::MenuShell::from(parent._handle), mnemonic);
}
void activate_closure_callback(ui::Widget widget, gpointer data)
{
(*reinterpret_cast<Callback<void()> *>( data ))();
}
guint menu_item_connect_callback(ui::MenuItem item, const Callback<void()> &callback)
{
#if 1
return g_signal_connect_swapped(G_OBJECT(item), "activate", G_CALLBACK(callback.getThunk()),
callback.getEnvironment());
#else
return g_signal_connect_closure( G_OBJECT( item ), "activate", create_cclosure( G_CALLBACK( activate_closure_callback ), callback ), FALSE );
#endif
}
guint check_menu_item_connect_callback(ui::CheckMenuItem item, const Callback<void()> &callback)
{
#if 1
guint handler = g_signal_connect_swapped(G_OBJECT(item), "toggled", G_CALLBACK(callback.getThunk()),
callback.getEnvironment());
#else
guint handler = g_signal_connect_closure( G_OBJECT( item ), "toggled", create_cclosure( G_CALLBACK( activate_closure_callback ), callback ), TRUE );
#endif
g_object_set_data(G_OBJECT(item), "handler", gint_to_pointer(handler));
return handler;
}
ui::MenuItem new_menu_item_with_mnemonic(const char *mnemonic, const Callback<void()> &callback)
{
auto item = ui::MenuItem(mnemonic, true);
item.show();
menu_item_connect_callback(item, callback);
return item;
}
ui::MenuItem create_menu_item_with_mnemonic(ui::Menu menu, const char *mnemonic, const Callback<void()> &callback)
{
auto item = new_menu_item_with_mnemonic(mnemonic, callback);
menu.add(item);
return item;
}
ui::CheckMenuItem new_check_menu_item_with_mnemonic(const char *mnemonic, const Callback<void()> &callback)
{
auto item = ui::CheckMenuItem::from(gtk_check_menu_item_new_with_mnemonic(mnemonic));
item.show();
check_menu_item_connect_callback(item, callback);
return item;
}
ui::CheckMenuItem
create_check_menu_item_with_mnemonic(ui::Menu menu, const char *mnemonic, const Callback<void()> &callback)
{
auto item = new_check_menu_item_with_mnemonic(mnemonic, callback);
menu.add(item);
return item;
}
ui::RadioMenuItem
new_radio_menu_item_with_mnemonic(GSList **group, const char *mnemonic, const Callback<void()> &callback)
{
auto item = ui::RadioMenuItem::from(gtk_radio_menu_item_new_with_mnemonic(*group, mnemonic));
if (*group == 0) {
gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(item), TRUE);
}
*group = gtk_radio_menu_item_get_group(item);
item.show();
check_menu_item_connect_callback(item, callback);
return item;
}
ui::RadioMenuItem create_radio_menu_item_with_mnemonic(ui::Menu menu, GSList **group, const char *mnemonic,
const Callback<void()> &callback)
{
auto item = new_radio_menu_item_with_mnemonic(group, mnemonic, callback);
menu.add(item);
return item;
}
void check_menu_item_set_active_no_signal(ui::CheckMenuItem item, gboolean active)
{
guint handler_id = gpointer_to_int(g_object_get_data(G_OBJECT(item), "handler"));
g_signal_handler_block(G_OBJECT(item), handler_id);
gtk_check_menu_item_set_active(item, active);
g_signal_handler_unblock(G_OBJECT(item), handler_id);
}
void radio_menu_item_set_active_no_signal(ui::RadioMenuItem item, gboolean active)
{
{
for (GSList *l = gtk_radio_menu_item_get_group(item); l != 0; l = g_slist_next(l)) {
g_signal_handler_block(G_OBJECT(l->data), gpointer_to_int(g_object_get_data(G_OBJECT(l->data), "handler")));
}
}
gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(item), active);
{
for (GSList *l = gtk_radio_menu_item_get_group(item); l != 0; l = g_slist_next(l)) {
g_signal_handler_unblock(G_OBJECT(l->data),
gpointer_to_int(g_object_get_data(G_OBJECT(l->data), "handler")));
}
}
}
void menu_item_set_accelerator(ui::MenuItem item, GClosure *closure)
{
GtkAccelLabel *accel_label = GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(item)));
gtk_accel_label_set_accel_closure(accel_label, closure);
}
void accelerator_name(const Accelerator &accelerator, GString *gstring)
{
gboolean had_mod = FALSE;
if (accelerator.modifiers & GDK_SHIFT_MASK) {
g_string_append(gstring, "Shift");
had_mod = TRUE;
}
if (accelerator.modifiers & GDK_CONTROL_MASK) {
if (had_mod) {
g_string_append(gstring, "+");
}
g_string_append(gstring, "Ctrl");
had_mod = TRUE;
}
if (accelerator.modifiers & GDK_MOD1_MASK) {
if (had_mod) {
g_string_append(gstring, "+");
}
g_string_append(gstring, "Alt");
had_mod = TRUE;
}
if (had_mod) {
g_string_append(gstring, "+");
}
if (accelerator.key < 0x80 || (accelerator.key > 0x80 && accelerator.key <= 0xff)) {
switch (accelerator.key) {
case ' ':
g_string_append(gstring, "Space");
break;
case '\\':
g_string_append(gstring, "Backslash");
break;
default:
g_string_append_c(gstring, gchar(toupper(accelerator.key)));
break;
}
} else {
gchar *tmp;
tmp = gtk_accelerator_name(accelerator.key, (GdkModifierType) 0);
if (tmp[0] != 0 && tmp[1] == 0) {
tmp[0] = gchar(toupper(tmp[0]));
}
g_string_append(gstring, tmp);
g_free(tmp);
}
}
void menu_item_add_accelerator(ui::MenuItem item, Accelerator accelerator)
{
if (accelerator.key != 0 && gtk_accelerator_valid(accelerator.key, accelerator.modifiers)) {
GClosure *closure = global_accel_group_find(accelerator);
ASSERT_NOTNULL(closure);
menu_item_set_accelerator(item, closure);
}
}
ui::MenuItem create_menu_item_with_mnemonic(ui::Menu menu, const char *mnemonic, const Command &command)
{
auto item = create_menu_item_with_mnemonic(menu, mnemonic, command.m_callback);
menu_item_add_accelerator(item, command.m_accelerator);
return item;
}
void check_menu_item_set_active_callback(void *it, bool enabled)
{
auto item = ui::CheckMenuItem::from(it);
check_menu_item_set_active_no_signal(item, enabled);
}
ui::CheckMenuItem create_check_menu_item_with_mnemonic(ui::Menu menu, const char *mnemonic, const Toggle &toggle)
{
auto item = create_check_menu_item_with_mnemonic(menu, mnemonic, toggle.m_command.m_callback);
menu_item_add_accelerator(item, toggle.m_command.m_accelerator);
toggle.m_exportCallback(PointerCaller<void, void(bool), check_menu_item_set_active_callback>(item._handle));
return item;
}