Dogcows Code - chaz/openbox/blob - src/XAtom.hh

   1 // XAtom.h for Openbox
   2 // Copyright (c) 2002 - 2002 Ben Janens (ben at orodu.net)
   3 //
   4 // Permission is hereby granted, free of charge, to any person obtaining a
   5 // copy of this software and associated documentation files (the "Software"),
   6 // to deal in the Software without restriction, including without limitation
   7 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 // and/or sell copies of the Software, and to permit persons to whom the
   9 // Software is furnished to do so, subject to the following conditions:
  10 //
  11 // The above copyright notice and this permission notice shall be included in
  12 // all copies or substantial portions of the Software.
  13 //
  14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  19 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  20 // DEALINGS IN THE SOFTWARE.
  21
  22 #ifndef   __XAtom_h
  23 #define   __XAtom_h
  24
  25 #include <X11/Xlib.h>
  26 #include <X11/Xatom.h>
  27 #include <vector>
  28 #include <string>
  29
  30 class Blackbox;
  31 class ScreenInfo;
  32
  33 class XAtom {
  34 public:
  35   enum Atoms {
  36     // types
  37     cardinal,
  38     window,
  39     pixmap,
  40     atom,
  41     string,
  42     utf8_string,
  43
  44 #ifdef    HAVE_GETPID
  45     blackbox_pid,
  46 #endif // HAVE_GETPID
  47
  48     // window hints
  49     wm_colormap_windows,
  50     wm_protocols,
  51     wm_state,
  52     wm_delete_window,
  53     wm_take_focus,
  54     wm_change_state,
  55     motif_wm_hints,
  56     blackbox_attributes,
  57     blackbox_change_attributes,
  58     blackbox_hints,
  59
  60     // blackbox-protocol atoms (wm -> client)
  61     blackbox_structure_messages,
  62     blackbox_notify_startup,
  63     blackbox_notify_window_add,
  64     blackbox_notify_window_del,
  65     blackbox_notify_window_focus,
  66     blackbox_notify_current_workspace,
  67     blackbox_notify_workspace_count,
  68     blackbox_notify_window_raise,
  69     blackbox_notify_window_lower,
  70     // blackbox-protocol atoms (client -> wm)
  71     blackbox_change_workspace,
  72     blackbox_change_window_focus,
  73     blackbox_cycle_window_focus,
  74
  75     // NETWM atoms
  76     // root window properties
  77     net_supported,
  78     net_client_list,
  79     net_client_list_stacking,
  80     net_number_of_desktops,
  81     net_desktop_geometry,
  82     net_desktop_viewport,
  83     net_current_desktop,
  84     net_desktop_names,
  85     net_active_window,
  86     net_workarea,
  87     net_supporting_wm_check,
  88     net_virtual_roots,
  89     // root window messages
  90     net_close_window,
  91     net_wm_moveresize,
  92     // application window properties
  93     net_properties,
  94     net_wm_name,
  95     net_wm_desktop,
  96     net_wm_window_type,
  97     net_wm_state,
  98     net_wm_strut,
  99     net_wm_icon_geometry,
 100     net_wm_icon,
 101     net_wm_pid,
 102     net_wm_handled_icons,
 103     // application protocols
 104     net_wm_ping,
 105
 106     // constant for how many atoms exist in the enumerator
 107     NUM_ATOMS
 108   };
 109
 110   enum StringType {
 111     ansi,
 112     utf8,
 113     NUM_STRING_TYPE
 114   };
 115
 116 private:
 117   typedef std::vector<Window> SupportWindows;
 118
 119   Display              *_display;
 120   // windows used to specify support for NETWM
 121   SupportWindows        _support_windows;
 122   Atom                  _atoms[NUM_ATOMS];
 123
 124   Atom create(const char *name) const;
 125
 126   void setValue(Window win, Atom atom, Atom type, unsigned char *data,
 127                 int size, int nelements, bool append) const;
 128   bool getValue(Window win, Atom atom, Atom type,
 129                 unsigned long &nelements, unsigned char **value,
 130                 int size) const;
 131
 132   // no copying!!
 133   XAtom(const XAtom &);
 134   XAtom& operator=(const XAtom&);
 135
 136 public:
 137   XAtom(Blackbox *bb);
 138   virtual ~XAtom();
 139
 140   // setup support on a screen, each screen should call this once in its
 141   // constructor.
 142   void setSupported(const ScreenInfo *screen);
 143
 144   void setValue(Window win, Atoms atom, Atoms type, unsigned long value) const;
 145   void setValue(Window win, Atoms atom, Atoms type,
 146                 unsigned long value[], int elements) const;
 147   void setValue(Window win, Atoms atom, StringType type,
 148                 const std::string &value) const;
 149
 150   // the 'value' is allocated inside the function and
 151   // delete [] value needs to be called when you are done with it.
 152   // the 'value' array returned is null terminated, and has 'nelements'
 153   // elements in it plus the null.
 154   bool getValue(Window win, Atoms atom, Atoms type,
 155                 unsigned long &nelements, unsigned long **value) const;
 156   bool getValue(Window win, Atoms atom, StringType type,
 157                 std::string &value) const;
 158
 159   void eraseValue(Window win, Atoms atom) const;
 160
 161   // temporary function!! remove when not used in blackbox.hh anymore!!
 162   inline Atom getAtom(Atoms a)
 163   { Atom ret = _atoms[a]; assert(ret != 0); return ret; }
 164 };
 165
 166 #endif // __XAtom_h