mirror of
https://github.com/aseprite/aseprite.git
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156 lines
4.0 KiB
C++
156 lines
4.0 KiB
C++
/* ASE - Allegro Sprite Editor
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* Copyright (C) 2001-2011 David Capello
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include "commands/command.h"
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#include "commands/params.h"
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#include "gui/hook.h"
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#include "gui/menu.h"
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#include "gui/message.h"
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#include "gui/widget.h"
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#include "modules/gui.h"
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#include "ui_context.h"
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struct MenuItem
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{
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Command *m_command;
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Params *m_params;
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MenuItem(Command *command, Params* params)
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: m_command(command)
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, m_params(params ? params->clone(): NULL)
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{
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}
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~MenuItem()
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{
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delete m_params;
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}
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};
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static int menuitem_type();
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static bool menuitem_msg_proc(JWidget widget, Message* msg);
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/**
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* A widget that represent a menu item of the application.
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*
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* It's like a jmenuitem, but it has a extra properties: the name of
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* the command to be executed when it's clicked (also that command is
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* used to check the availability of the command).
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*
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* @see jmenuitem_new
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*/
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JWidget menuitem_new(const char* text, Command* command, Params* params)
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{
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JWidget widget = jmenuitem_new(text);
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MenuItem* menuitem = new MenuItem(command, params);
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jwidget_add_hook(widget,
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menuitem_type(),
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menuitem_msg_proc,
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menuitem);
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return widget;
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}
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Command* menuitem_get_command(JWidget widget)
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{
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MenuItem* menuitem = reinterpret_cast<MenuItem*>(jwidget_get_data(widget, menuitem_type()));
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return menuitem->m_command;
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}
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Params* menuitem_get_params(JWidget widget)
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{
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MenuItem* menuitem = reinterpret_cast<MenuItem*>(jwidget_get_data(widget, menuitem_type()));
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return menuitem->m_params;
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}
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static int menuitem_type()
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{
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static int type = 0;
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if (!type)
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type = ji_register_widget_type();
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return type;
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}
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static bool menuitem_msg_proc(JWidget widget, Message* msg)
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{
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switch (msg->type) {
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case JM_DESTROY: {
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MenuItem* menuitem = reinterpret_cast<MenuItem*>(jwidget_get_data(widget, menuitem_type()));
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delete menuitem;
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break;
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}
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case JM_OPEN: {
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MenuItem* menuitem = reinterpret_cast<MenuItem*>(jwidget_get_data(widget, menuitem_type()));
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UIContext* context = UIContext::instance();
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if (menuitem->m_command) {
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if (menuitem->m_params)
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menuitem->m_command->loadParams(menuitem->m_params);
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widget->setEnabled(menuitem->m_command->isEnabled(context));
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widget->setSelected(menuitem->m_command->isChecked(context));
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}
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break;
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}
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case JM_CLOSE:
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// disable the menu (the keyboard shortcuts are processed by "manager_msg_proc")
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widget->setEnabled(false);
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break;
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case JM_SIGNAL:
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if (msg->signal.num == JI_SIGNAL_MENUITEM_SELECT) {
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MenuItem* menuitem = reinterpret_cast<MenuItem*>(jwidget_get_data(widget, menuitem_type()));
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UIContext* context = UIContext::instance();
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if (menuitem->m_command) {
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if (menuitem->m_params)
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menuitem->m_command->loadParams(menuitem->m_params);
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if (menuitem->m_command->isEnabled(context)) {
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context->executeCommand(menuitem->m_command);
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return true;
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}
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}
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}
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break;
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default:
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if (msg->type == jm_open_menuitem()) {
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// Update the context flags after opening the menuitem's
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// submenu to update the "enabled" flag of each command
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// correctly.
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Context* context = UIContext::instance();
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context->updateFlags();
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}
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break;
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}
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return false;
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}
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