// FbCommands.cc for Fluxbox
// Copyright (c) 2003 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 "FbCommands.hh"
#include "fluxbox.hh"
#include "Screen.hh"
#include "CommandDialog.hh"
#include "Workspace.hh"
#include "Window.hh"
#include "Keys.hh"

#include "FbTk/Theme.hh"
#include "FbTk/Menu.hh"

#include <sys/types.h>
#include <unistd.h>

#include <fstream>
#include <iostream>

#ifdef HAVE_CSTDLIB
  #include <cstdlib>
#else
  #include <stdlib.h>
#endif


#ifdef HAVE_CONFIG_H
#include "config.h"
#endif // HAVE_CONFIG_H

#if defined(__EMX__) && defined(HAVE_PROCESS_H)
#include <process.h> // for P_NOWAIT
#endif // __EMX__

using namespace std;

namespace {

void showMenu(const BScreen &screen, FbTk::Menu &menu) {

    // special case for root menu
    if (&menu == &screen.getRootmenu()) {
        Fluxbox* fb = Fluxbox::instance();
        if(fb->menuTimestampsChanged()) {
            // we dont show the menu here because fluxbox
            // will bring up the rootmenu after the timed
            // reread of the menu
            fb->rereadMenu(true);
            return;
        }
    }
    
    Window root_ret; // not used
    Window window_ret; // not used

    int rx = 0, ry = 0;
    int wx, wy; // not used
    unsigned int mask; // not used

    XQueryPointer(menu.fbwindow().display(),
                  screen.rootWindow().window(), &root_ret, &window_ret,
                  &rx, &ry, &wx, &wy, &mask);

    int borderw = menu.fbwindow().borderWidth();
    int head = screen.getHead(rx, ry);

    pair<int, int> m = 
        screen.clampToHead(head,
                           rx - menu.width() / 2, 
                           ry - menu.titleWindow().height() / 2,
                           menu.width() + 2*borderw,
                           menu.height() + 2*borderw);

    menu.move(m.first, m.second);
    menu.setScreen(screen.getHeadX(head),
                   screen.getHeadY(head),
                   screen.getHeadWidth(head),
                   screen.getHeadHeight(head));
    
    menu.show();
    menu.grabInputFocus();
}

}

namespace FbCommands {

ExecuteCmd::ExecuteCmd(const std::string &cmd, int screen_num):m_cmd(cmd), m_screen_num(screen_num) {

}

void ExecuteCmd::execute() {
#ifndef __EMX__
    if (! fork()) {
        std::string displaystring("DISPLAY=");
        displaystring += DisplayString(FbTk::App::instance()->display());
        char intbuff[64];
        int screen_num = m_screen_num;
        if (screen_num < 0) {
            if (Fluxbox::instance()->mouseScreen() == 0)
                screen_num = 0;
            else
                screen_num = Fluxbox::instance()->mouseScreen()->screenNumber();
        }

        sprintf(intbuff, "%d", screen_num);

        // remove last number of display and add screen num
        displaystring.erase(displaystring.size()-1);
        displaystring += intbuff;
        setsid();
        putenv(const_cast<char *>(displaystring.c_str()));
        execl("/bin/sh", "/bin/sh", "-c", m_cmd.c_str(), 0);
        exit(0);
    }
#else //   __EMX__
    spawnlp(P_NOWAIT, "cmd.exe", "cmd.exe", "/c", m_cmd.c_str(), 0);
#endif // !__EMX__

}

ExportCmd::ExportCmd(const std::string& name, const std::string& value) :
    m_name(name), m_value(value) { 
}

void ExportCmd::execute() {
// TODO: we need to analyze this a bit more
#if defined sgi && ! defined GCC
    putenv((m_name + "=" + m_value).c_str());
#else
    setenv(m_name.c_str(), m_value.c_str(), 1);
#endif
}


void ExitFluxboxCmd::execute() {
    Fluxbox::instance()->shutdown();
}

void SaveResources::execute() {
    Fluxbox::instance()->save_rc();
}

RestartFluxboxCmd::RestartFluxboxCmd(const std::string &cmd):m_cmd(cmd){
}

void RestartFluxboxCmd::execute() {
    if (m_cmd.empty())
        Fluxbox::instance()->restart();
    else
        Fluxbox::instance()->restart(m_cmd.c_str());
}

void ReconfigureFluxboxCmd::execute() {
    Fluxbox::instance()->reconfigure();
}


void ReloadStyleCmd::execute() {
    SetStyleCmd cmd(Fluxbox::instance()->getStyleFilename());
    cmd.execute();
}

SetStyleCmd::SetStyleCmd(const std::string &filename):m_filename(filename) {

}

void SetStyleCmd::execute() {
    Fluxbox::instance()->saveStyleFilename(m_filename.c_str());
    Fluxbox::instance()->save_rc();
    FbTk::ThemeManager::instance().load(m_filename);
}

void ShowRootMenuCmd::execute() {
    BScreen *screen = Fluxbox::instance()->mouseScreen();
    if (screen == 0)
        return;

    ::showMenu(*screen, screen->getRootmenu());
}

void ShowWorkspaceMenuCmd::execute() {
    BScreen *screen = Fluxbox::instance()->mouseScreen();
    if (screen == 0)
        return;

    ::showMenu(*screen, screen->getWorkspacemenu());
}



SetWorkspaceNameCmd::SetWorkspaceNameCmd(const std::string &name, int spaceid):
    m_name(name), m_workspace(spaceid) { }

void SetWorkspaceNameCmd::execute() {
    BScreen *screen = Fluxbox::instance()->mouseScreen();
    if (screen == 0) {
        screen = Fluxbox::instance()->keyScreen();
        if (screen == 0)
            return;
    }

    if (m_workspace < 0) {
        screen->currentWorkspace()->setName(m_name);
    } else {
        Workspace *space = screen->getWorkspace(m_workspace);
        if (space == 0)
            return;
        space->setName(m_name);
    }

    screen->updateWorkspaceNamesAtom();
    Fluxbox::instance()->save_rc();
}

void WorkspaceNameDialogCmd::execute() {

    BScreen *screen = Fluxbox::instance()->mouseScreen();
    if (screen == 0)
        return;

    CommandDialog *win = new CommandDialog(*screen, "Set Workspace Name:", "SetWorkspaceName ");
    win->setText(screen->currentWorkspace()->name());
    win->show();
}

void CommandDialogCmd::execute() {
    BScreen *screen = Fluxbox::instance()->mouseScreen();
    if (screen == 0)
        return;

    FbTk::FbWindow *win = new CommandDialog(*screen, "Fluxbox Command");
    win->show();
}

    
SetResourceValueCmd::SetResourceValueCmd(const std::string &resname, 
                                         const std::string &value):
    m_resname(resname),
    m_value(value) {

}

void SetResourceValueCmd::execute() {
    BScreen *screen = Fluxbox::instance()->mouseScreen();
    if (screen == 0)
        return;
    screen->resourceManager().setResourceValue(m_resname, m_value);
    Fluxbox::instance()->save_rc();
}

void SetResourceValueDialogCmd::execute() {
    BScreen *screen = Fluxbox::instance()->mouseScreen();
    if (screen == 0)
        return;

    FbTk::FbWindow *win = new CommandDialog(*screen,  "Type resource name and the value", "SetResourceValue ");
    win->show();
};

BindKeyCmd::BindKeyCmd(const std::string &keybind):m_keybind(keybind) { }

void BindKeyCmd::execute() {
    if (Fluxbox::instance()->keys() != 0) {
        if (Fluxbox::instance()->keys()->addBinding(m_keybind)) {
            ofstream ofile(Fluxbox::instance()->keys()->filename().c_str(), ios::app);
            if (!ofile)
                return;            
            ofile<<m_keybind<<endl;
        }
    }
}

DeiconifyCmd::DeiconifyCmd(const Mode mode, 
                           const Destination dest) : m_mode(mode), m_dest(dest) { }

void DeiconifyCmd::execute() {
    BScreen *screen = Fluxbox::instance()->mouseScreen();
    if (screen == 0)
        return;

    BScreen::Icons::reverse_iterator it= screen->getIconList().rbegin();
    BScreen::Icons::reverse_iterator itend= screen->getIconList().rend();
    unsigned int workspace_num= screen->currentWorkspaceID();
    unsigned int old_workspace_num;

    const bool change_ws= m_dest == ORIGIN;

    switch(m_mode) {
        
    case ALL:
    case ALLWORKSPACE:
        for(; it != itend; it++) {
            old_workspace_num= (*it)->workspaceNumber();
            if (m_mode == ALL || old_workspace_num == workspace_num) {
                if (m_dest == ORIGIN || m_dest == ORIGINQUIET)
                    screen->sendToWorkspace(old_workspace_num, (*it), change_ws);
                else
                    (*it)->deiconify(false);
            }
        }
        break;

    case LAST:
    case LASTWORKSPACE:
    default:
        for (; it != itend; it++) {
            old_workspace_num= (*it)->workspaceNumber();
            if(m_mode == LAST || old_workspace_num == workspace_num) {
                if ((m_dest == ORIGIN || m_dest == ORIGINQUIET) && 
                    m_mode != LASTWORKSPACE)
                    screen->sendToWorkspace(old_workspace_num, (*it), change_ws);
                else
                    (*it)->deiconify(false);
                break;
            }
        }
        break;
    };
}
    
}; // end namespace FbCommands