Dogcows Code - chaz/openbox/blob - src/BaseDisplay.h

   1 // BaseDisplay.h for Openbox
   2 // Copyright (c) 2001 Sean 'Shaleh' Perry <shaleh@debian.org>
   3 // Copyright (c) 1997 - 2000 Brad Hughes (bhughes@tcac.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 #ifndef   __BaseDisplay_hh
  24 #define   __BaseDisplay_hh
  25
  26 #include <X11/Xlib.h>
  27 #include <X11/Xatom.h>
  28
  29 // forward declaration
  30 class BaseDisplay;
  31 class ScreenInfo;
  32
  33 #include "Timer.h"
  34 #include "Geometry.h"
  35 #include "Util.h"
  36 #include <vector>
  37 #include <list>
  38
  39 #define AttribShaded      (1l << 0)
  40 #define AttribMaxHoriz    (1l << 1)
  41 #define AttribMaxVert     (1l << 2)
  42 #define AttribOmnipresent (1l << 3)
  43 #define AttribWorkspace   (1l << 4)
  44 #define AttribStack       (1l << 5)
  45 #define AttribDecoration  (1l << 6)
  46
  47 #define StackTop          (0)
  48 #define StackNormal       (1)
  49 #define StackBottom       (2)
  50
  51 #define DecorNone         (0)
  52 #define DecorNormal       (1)
  53 #define DecorTiny         (2)
  54 #define DecorTool         (3)
  55
  56 typedef struct _openbox_hints {
  57   unsigned long flags, attrib, workspace, stack, decoration;
  58 } OpenboxHints;
  59
  60 typedef struct _openbox_attributes {
  61   unsigned long flags, attrib, workspace, stack, decoration;
  62   int premax_x, premax_y;
  63   unsigned int premax_w, premax_h;
  64 } OpenboxAttributes;
  65
  66 #define PropOpenboxHintsElements      (5)
  67 #define PropOpenboxAttributesElements (9)
  68
  69 #ifndef    __EMX__
  70 void bexec(const char *, char *);
  71 #endif // !__EMX__
  72
  73 char *bstrdup(const char *);
  74
  75 class BaseDisplay {
  76 private:
  77   struct cursor {
  78     Cursor session, move, ll_angle, lr_angle, ul_angle, ur_angle;
  79   } cursor;
  80
  81   struct shape {
  82     Bool extensions;
  83     int event_basep, error_basep;
  84   } shape;
  85
  86 #ifndef   NOCLOBBER
  87   unsigned int MaskList[8];
  88   size_t MaskListLength;
  89 #endif // NOCLOBBER
  90
  91   Atom xa_wm_colormap_windows, xa_wm_protocols, xa_wm_state,
  92     xa_wm_delete_window, xa_wm_take_focus, xa_wm_change_state,
  93     motif_wm_hints;
  94
  95   // NETAttributes
  96   Atom openbox_attributes, openbox_change_attributes, openbox_hints;
  97
  98   // NETStructureMessages
  99   Atom openbox_structure_messages, openbox_notify_startup,
 100     openbox_notify_window_add, openbox_notify_window_del,
 101     openbox_notify_window_focus, openbox_notify_current_workspace,
 102     openbox_notify_workspace_count, openbox_notify_window_raise,
 103     openbox_notify_window_lower;
 104
 105   // message_types for client -> wm messages
 106   Atom openbox_change_workspace, openbox_change_window_focus,
 107     openbox_cycle_window_focus;
 108
 109 #ifdef    NEWWMSPEC
 110
 111   // root window properties
 112   Atom net_supported, net_client_list, net_client_list_stacking,
 113     net_number_of_desktops, net_desktop_geometry, net_desktop_viewport,
 114     net_current_desktop, net_desktop_names, net_active_window, net_workarea,
 115     net_supporting_wm_check, net_virtual_roots;
 116
 117   // root window messages
 118   Atom net_close_window, net_wm_moveresize;
 119
 120   // application window properties
 121   Atom net_properties, net_wm_name, net_wm_desktop, net_wm_window_type,
 122     net_wm_state, net_wm_strut, net_wm_icon_geometry, net_wm_icon, net_wm_pid,
 123     net_wm_handled_icons;
 124
 125   // application protocols
 126   Atom net_wm_ping;
 127
 128 #endif // NEWWMSPEC
 129
 130   Bool _startup, _shutdown;
 131   Display *display;
 132
 133   typedef std::vector<ScreenInfo*> ScreenInfoList;
 134   ScreenInfoList screenInfoList;
 135
 136   typedef std::list<BTimer*> TimerList;
 137   TimerList timerList;
 138
 139   char *display_name, *application_name;
 140   unsigned int number_of_screens, server_grabs, colors_per_channel;
 141
 142
 143 protected:
 144   // pure virtual function... you must override this
 145   virtual void process_event(XEvent *) = 0;
 146
 147   // the masks of the modifiers which are ignored in button events.
 148   int NumLockMask, ScrollLockMask;
 149
 150
 151 public:
 152   BaseDisplay(const char *, char * = 0);
 153   virtual ~BaseDisplay();
 154
 155   inline const Atom &getWMChangeStateAtom() const
 156     { return xa_wm_change_state; }
 157   inline const Atom &getWMStateAtom() const
 158     { return xa_wm_state; }
 159   inline const Atom &getWMDeleteAtom() const
 160     { return xa_wm_delete_window; }
 161   inline const Atom &getWMProtocolsAtom() const
 162     { return xa_wm_protocols; }
 163   inline const Atom &getWMTakeFocusAtom() const
 164     { return xa_wm_take_focus; }
 165   inline const Atom &getWMColormapAtom() const
 166     { return xa_wm_colormap_windows; }
 167   inline const Atom &getMotifWMHintsAtom() const
 168     { return motif_wm_hints; }
 169
 170   // this atom is for normal app->WM hints about decorations, stacking,
 171   // starting workspace etc...
 172   inline const Atom &getOpenboxHintsAtom() const
 173     { return openbox_hints;}
 174
 175   // these atoms are for normal app->WM interaction beyond the scope of the
 176   // ICCCM...
 177   inline const Atom &getOpenboxAttributesAtom() const
 178     { return openbox_attributes; }
 179   inline const Atom &getOpenboxChangeAttributesAtom() const
 180     { return openbox_change_attributes; }
 181
 182   // these atoms are for window->WM interaction, with more control and
 183   // information on window "structure"... common examples are
 184   // notifying apps when windows are raised/lowered... when the user changes
 185   // workspaces... i.e. "pager talk"
 186   inline const Atom &getOpenboxStructureMessagesAtom() const
 187     { return openbox_structure_messages; }
 188
 189   // *Notify* portions of the NETStructureMessages protocol
 190   inline const Atom &getOpenboxNotifyStartupAtom() const
 191     { return openbox_notify_startup; }
 192   inline const Atom &getOpenboxNotifyWindowAddAtom() const
 193     { return openbox_notify_window_add; }
 194   inline const Atom &getOpenboxNotifyWindowDelAtom() const
 195     { return openbox_notify_window_del; }
 196   inline const Atom &getOpenboxNotifyWindowFocusAtom() const
 197     { return openbox_notify_window_focus; }
 198   inline const Atom &getOpenboxNotifyCurrentWorkspaceAtom() const
 199     { return openbox_notify_current_workspace; }
 200   inline const Atom &getOpenboxNotifyWorkspaceCountAtom() const
 201     { return openbox_notify_workspace_count; }
 202   inline const Atom &getOpenboxNotifyWindowRaiseAtom() const
 203     { return openbox_notify_window_raise; }
 204   inline const Atom &getOpenboxNotifyWindowLowerAtom() const
 205     { return openbox_notify_window_lower; }
 206
 207   // atoms to change that request changes to the desktop environment during
 208   // runtime... these messages can be sent by any client... as the sending
 209   // client window id is not included in the ClientMessage event...
 210   inline const Atom &getOpenboxChangeWorkspaceAtom() const
 211     { return openbox_change_workspace; }
 212   inline const Atom &getOpenboxChangeWindowFocusAtom() const
 213     { return openbox_change_window_focus; }
 214   inline const Atom &getOpenboxCycleWindowFocusAtom() const
 215     { return openbox_cycle_window_focus; }
 216
 217 #ifdef    NEWWMSPEC
 218
 219   // root window properties
 220   inline const Atom &getNETSupportedAtom() const
 221     { return net_supported; }
 222   inline const Atom &getNETClientListAtom() const
 223     { return net_client_list; }
 224   inline const Atom &getNETClientListStackingAtom() const
 225     { return net_client_list_stacking; }
 226   inline const Atom &getNETNumberOfDesktopsAtom() const
 227     { return net_number_of_desktops; }
 228   inline const Atom &getNETDesktopGeometryAtom() const
 229     { return net_desktop_geometry; }
 230   inline const Atom &getNETDesktopViewportAtom() const
 231     { return net_desktop_viewport; }
 232   inline const Atom &getNETCurrentDesktopAtom() const
 233     { return net_current_desktop; }
 234   inline const Atom &getNETDesktopNamesAtom() const
 235     { return net_desktop_names; }
 236   inline const Atom &getNETActiveWindowAtom() const
 237     { return net_active_window; }
 238   inline const Atom &getNETWorkareaAtom() const
 239     { return net_workarea; }
 240   inline const Atom &getNETSupportingWMCheckAtom() const
 241     { return net_supporting_wm_check; }
 242   inline const Atom &getNETVirtualRootsAtom() const
 243     { return net_virtual_roots; }
 244
 245   // root window messages
 246   inline const Atom &getNETCloseWindowAtom() const
 247     { return net_close_window; }
 248   inline const Atom &getNETWMMoveResizeAtom() const
 249     { return net_wm_moveresize; }
 250
 251   // application window properties
 252   inline const Atom &getNETPropertiesAtom() const
 253     { return net_properties; }
 254   inline const Atom &getNETWMNameAtom() const
 255     { return net_wm_name; }
 256   inline const Atom &getNETWMDesktopAtom() const
 257     { return net_wm_desktop; }
 258   inline const Atom &getNETWMWindowTypeAtom() const
 259     { return net_wm_window_type; }
 260   inline const Atom &getNETWMStateAtom() const
 261     { return net_wm_state; }
 262   inline const Atom &getNETWMStrutAtom() const
 263     { return net_wm_strut; }
 264   inline const Atom &getNETWMIconGeometryAtom() const
 265     { return net_wm_icon_geometry; }
 266   inline const Atom &getNETWMIconAtom() const
 267     { return net_wm_icon; }
 268   inline const Atom &getNETWMPidAtom() const
 269     { return net_wm_pid; }
 270   inline const Atom &getNETWMHandledIconsAtom() const
 271     { return net_wm_handled_icons; }
 272
 273   // application protocols
 274   inline const Atom &getNETWMPingAtom() const
 275     { return net_wm_ping; }
 276
 277 #endif // NEWWMSPEC
 278
 279   inline ScreenInfo *getScreenInfo(unsigned int s) {
 280     ASSERT(s < screenInfoList.size());
 281     return screenInfoList[s];
 282   }
 283
 284   inline const Bool &hasShapeExtensions() const
 285     { return shape.extensions; }
 286   inline const Bool &doShutdown() const
 287     { return _shutdown; }
 288   inline const Bool &isStartup() const
 289     { return _startup; }
 290
 291   inline const Cursor &getSessionCursor() const
 292     { return cursor.session; }
 293   inline const Cursor &getMoveCursor() const
 294     { return cursor.move; }
 295   inline const Cursor &getLowerLeftAngleCursor() const
 296     { return cursor.ll_angle; }
 297   inline const Cursor &getLowerRightAngleCursor() const
 298     { return cursor.lr_angle; }
 299   inline const Cursor &getUpperLeftAngleCursor() const
 300     { return cursor.ul_angle; }
 301   inline const Cursor &getUpperRightAngleCursor() const
 302     { return cursor.ur_angle; }
 303
 304   inline Display *getXDisplay() { return display; }
 305
 306   inline const char *getXDisplayName() const
 307     { return (const char *) display_name; }
 308   inline const char *getApplicationName() const
 309     { return (const char *) application_name; }
 310
 311   inline const unsigned int getNumberOfScreens() const
 312     { return number_of_screens; }
 313   inline const int &getShapeEventBase() const
 314     { return shape.event_basep; }
 315
 316   inline void shutdown() { _shutdown = True; }
 317   inline void run() { _startup = _shutdown = False; }
 318
 319   const Bool validateWindow(Window);
 320
 321   void grabButton(unsigned int, unsigned int, Window, Bool, unsigned int, int,
 322       int, Window, Cursor) const;
 323   void ungrabButton(unsigned int button, unsigned int modifiers,
 324       Window grab_window) const;
 325
 326   void grab();
 327   void ungrab();
 328   void eventLoop();
 329   void addTimer(BTimer *);
 330   void removeTimer(BTimer *);
 331
 332   // another pure virtual... this is used to handle signals that BaseDisplay
 333   // doesn't understand itself
 334   virtual Bool handleSignal(int) = 0;
 335 };
 336
 337
 338 class ScreenInfo {
 339 private:
 340   BaseDisplay &basedisplay;
 341   Visual *visual;
 342   Window root_window;
 343   Colormap colormap;
 344
 345   int depth, screen_number;
 346   Size m_size;
 347
 348
 349 public:
 350   ScreenInfo(BaseDisplay &, int);
 351
 352   inline BaseDisplay &getBaseDisplay() { return basedisplay; }
 353
 354   inline Visual *getVisual() const { return visual; }
 355   inline const Window &getRootWindow() const { return root_window; }
 356   inline const Colormap &getColormap() const { return colormap; }
 357
 358   inline const int &getDepth() const { return depth; }
 359   inline const int &getScreenNumber() const { return screen_number; }
 360
 361 //  inline const unsigned int &getWidth() const { return width; }
 362 //  inline const unsigned int &getHeight() const { return height; }
 363   inline const Size &size() const { return m_size; }
 364 };
 365
 366
 367 #endif // __BaseDisplay_hh