src/ScreenHandler.h

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2 // -- ScreenHandler.h --
   3 // Copyright (c) 2001 - 2003 Jason 'vanRijn' Kasper <vR at movingparts dot net>
   4 //
   5 // Permission is hereby granted, free of charge, to any person obtaining a
   6 // copy of this software and associated documentation files (the "Software"),
   7 // to deal in the Software without restriction, including without limitation
   8 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9 // and/or sell copies of the Software, and to permit persons to whom the
  10 // Software is furnished to do so, subject to the following conditions:
  11 //
  12 // The above copyright notice and this permission notice shall be included in
  13 // all copies or substantial portions of the Software.
  14 //
  15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21 // DEALINGS IN THE SOFTWARE.
  22
  23 // E_O_H_VR
  24
  25 #ifndef  SCREENHANDLER_HH
  26 #define  SCREENHANDLER_HH
  27
  28 extern "C" {
  29   #include <X11/Xlib.h>
  30 }
  31
  32 #include <list>
  33 #include <iostream>
  34 #include <string>
  35
  36 #include "KeyClient.h"
  37 #include "WindowlistMenu.h"
  38 #include "KeyGrabber.h"
  39 #include "Config.h"
  40 #include "keytree.hh"
  41 #include "Netclient.h"
  42 #include "window.hh"
  43
  44 // the blackbox library
  45 #include <Display.hh>
  46 #include <EventHandler.hh>
  47 #include <Netwm.hh>
  48
  49 class KeyClient;
  50 class WindowlistMenu;
  51 class keytree;
  52
  53 class ScreenHandler : public bt::EventHandler
  54 {
  55
  56 public:
  57   ScreenHandler (KeyClient * _k, unsigned int number);
  58   ~ScreenHandler () ;
  59   inline unsigned int getScreenNumber() const { return _screenNumber; }
  60   inline Window getRootWindow() const { return _screenInfo.rootWindow(); }
  61   inline KeyClient & getKeyClient() const { return * _keyClient; }
  62   inline bool isManaged() const { return _managed; }
  63   inline const bt::ScreenInfo & getScreenInfo() { return _screenInfo; }
  64   inline int screenNumber() const { return _screenNumber; }
  65
  66   void initialize();
  67   void grabKey(const KeyCode keyCode, const int modifierMask) const;
  68   void ungrabKey(const KeyCode keyCode, const int modifierMask) const;
  69
  70   const XWindow *lastActiveWindow() const;
  71
  72 private:
  73   friend class WindowlistMenu;
  74   bool _managed;
  75   bool _debug;
  76   bool _grabbed; // used for keygrab toggle function
  77   bool _cycling; // used for window cycling
  78   bool _raise_while_cycling;
  79   bool _show_cycle_menu;
  80   bool _honor_modifiers;
  81   std::string _menu_text_justify;
  82   unsigned int _workspace_columns;
  83   unsigned int _workspace_rows;
  84
  85   unsigned int _screenNumber;
  86   KeyClient * _keyClient;
  87   bt::Netwm * _netwm;
  88   Netclient * _netclient;
  89   Config * _config;
  90   Display * _display;
  91   Window _root;
  92   KeyGrabber * _keyGrabber;
  93   keytree * _keybindings;
  94   int _numlockMask;
  95   int _scrolllockMask;
  96   std::string _wm_name;
  97   WindowlistMenu * _windowmenu;
  98
  99
 100   unsigned int _num_desktops;
 101   unsigned int _active_desktop;
 102
 103   const bt::ScreenInfo & _screenInfo;
 104
 105   bool careAboutWindow(Window window) const ;
 106   XWindow * findWindow(Window window) const ;
 107   void p(void);
 108
 109   void keyPressEvent (const XKeyEvent * const e) ;
 110   void keyReleaseEvent (const XKeyEvent * const e) ;
 111   void propertyNotifyEvent(const XPropertyEvent * const e);
 112   void updateNumDesktops();
 113   void updateActiveDesktop();
 114   void updateActiveWindow();
 115   void updateClientList();
 116   void updateClientListStacking();
 117
 118   WindowList & _clients;
 119   WindowList::iterator & _active;
 120   WindowList::iterator _last_active;
 121
 122   bool nothingIsPressed(void) const;
 123   bool findSupportingWM();
 124
 125   void cycleWindow(unsigned int state, const bool forward, const int increment,
 126                    const bool allscreens = false,
 127                    const bool alldesktops = false,
 128                    const bool sameclass = false,
 129                    const std::string &classname = "");
 130   WindowList getCycleWindowList(unsigned int state, const bool forward, const int increment,
 131                    const bool allscreens = false,
 132                    const bool alldesktops = false,
 133                    const bool sameclass = false,
 134                    const std::string &classname = "");
 135   void cycleWorkspace(const bool forward, const int increment,
 136                       const bool loop = true) const;
 137   void changeWorkspace(const int num) const;
 138   void changeWorkspaceVert(const int num) const;
 139   void changeWorkspaceHorz(const int num) const;
 140
 141   void execCommand(const std::string &cmd) const;
 142
 143 };
 144 #endif