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// WorkspaceMenu.cc for Fluxbox
// Copyright (c) 2004 Henrik Kinnunen (fluxgen at users.sourceforge.net)
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.

// $Id$

#include "WorkspaceMenu.hh"

#include "Screen.hh"
#include "fluxbox.hh"
#include "Workspace.hh"
#include "WorkspaceCmd.hh"
#include "MenuCreator.hh"


#include "FbTk/I18n.hh"
#include "FbTk/SimpleCommand.hh"
#include "FbTk/RefCount.hh"
#include "FbTk/MenuItem.hh"
#include "FbTk/MultiButtonMenuItem.hh"

#include <typeinfo>

WorkspaceMenu::WorkspaceMenu(BScreen &screen):
   FbMenu(screen.menuTheme(), 
           screen.imageControl(), 
           *screen.layerManager().
           getLayer(Fluxbox::instance()->getMenuLayer())) {


    init(screen);
}

void WorkspaceMenu::update(FbTk::Subject *subj) {
    if (subj != 0 && typeid(*subj) == typeid(BScreen::ScreenSubject)) {
        BScreen::ScreenSubject &screen_subj = *static_cast<BScreen::ScreenSubject *>(subj);
        BScreen &screen = screen_subj.screen();
        if (subj == &screen.currentWorkspaceSig()) {
            FbTk::MenuItem *item = 0;
            for (unsigned int i = 2; i < numberOfItems(); ++i) {
                item = find(i);
                if (item && item->isSelected()) {
                    setItemSelected(i, false);
                    FbTk::Menu::update(i);
                    break;
                }
            }
            setItemSelected(screen.currentWorkspace()->workspaceID() + 2, true);
            FbTk::Menu::update(screen.currentWorkspace()->workspaceID() + 2);
        } else if (subj == &screen.workspaceCountSig() || 
                   subj == &screen.workspaceNamesSig()) {
            while (numberOfItems() != 3) {
                remove(2);
            }
            // for each workspace add workspace name and it's menu
            // to our workspace menu
            for (size_t workspace = 0; workspace < screen.getCount(); 
                 ++workspace) {
                Workspace *wkspc = screen.getWorkspace(workspace);
                wkspc->menu().setInternalMenu();
                FbTk::MultiButtonMenuItem* mb_menu = new FbTk::MultiButtonMenuItem(5, 
                                                                                   wkspc->name().c_str(),
                                                                                   &wkspc->menu());
                FbTk::RefCount<FbTk::Command> jump_cmd(new JumpToWorkspaceCmd(wkspc->workspaceID()));
                mb_menu->setCommand(2, jump_cmd);
                insert(mb_menu);
            }

            FbTk::Menu::update(-1);
        }
    } else {
        FbTk::Menu::update(subj);
    }
}

void WorkspaceMenu::init(BScreen &screen) {
    screen.currentWorkspaceSig().attach(this);
    screen.workspaceCountSig().attach(this);
    screen.workspaceNamesSig().attach(this);
    using namespace FbTk;
    _FB_USES_NLS;

    removeAll();

    setLabel(_FBTEXT(Workspace, MenuTitle, "Workspaces", "Title of main workspace menu"));
    RefCount<Command> new_workspace(new SimpleCommand<BScreen, int>(screen, &BScreen::addWorkspace));
    RefCount<Command> remove_last(new SimpleCommand<BScreen, int>(screen, &BScreen::removeLastWorkspace));
    insert(_FBTEXT(Workspace, NewWorkspace, "New Workspace", "Add a new workspace"), 
           new_workspace);
    insert(_FBTEXT(Workspace, RemoveLast, "Remove Last", "Remove the last workspace"), 
           remove_last);
    // for each workspace add workspace name and it's menu to our workspace menu
    for (size_t workspace = 0; workspace < screen.getCount(); ++workspace) {
        Workspace *wkspc = screen.getWorkspace(workspace);
        wkspc->menu().setInternalMenu();
        FbTk::MultiButtonMenuItem* mb_menu = new FbTk::MultiButtonMenuItem(5, 
                                                                           wkspc->name().c_str(),
                                                                           &wkspc->menu());
        FbTk::RefCount<FbTk::Command> jump_cmd(new JumpToWorkspaceCmd(wkspc->workspaceID()));
        mb_menu->setCommand(2, jump_cmd);
        insert(mb_menu);
    }
    setItemSelected(screen.currentWorkspace()->workspaceID() + 2, true);

    insert(_FBTEXT(Menu, Icons, "Icons", "Iconic windows menu title"),
           MenuCreator::createMenuType("iconmenu", screen.screenNumber()));
    FbMenu::update();
}