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