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 AvailableAtoms {
  36     // string type
  37     utf8_string,
  38
  39 #ifdef    HAVE_GETPID
  40     blackbox_pid,
  41 #endif // HAVE_GETPID
  42
  43     // window hints
  44     wm_colormap_windows,
  45     wm_protocols,
  46     wm_state,
  47     wm_delete_window,
  48     wm_take_focus,
  49     wm_change_state,
  50     motif_wm_hints,
  51     blackbox_attributes,
  52     blackbox_change_attributes,
  53     blackbox_hints,
  54
  55     // blackbox-protocol atoms (wm -> client)
  56     blackbox_structure_messages,
  57     blackbox_notify_startup,
  58     blackbox_notify_window_add,
  59     blackbox_notify_window_del,
  60     blackbox_notify_window_focus,
  61     blackbox_notify_current_workspace,
  62     blackbox_notify_workspace_count,
  63     blackbox_notify_window_raise,
  64     blackbox_notify_window_lower,
  65     // blackbox-protocol atoms (client -> wm)
  66     blackbox_change_workspace,
  67     blackbox_change_window_focus,
  68     blackbox_cycle_window_focus,
  69
  70     // NETWM atoms
  71     // root window properties
  72     net_supported,
  73     net_client_list,
  74     net_client_list_stacking,
  75     net_number_of_desktops,
  76     net_desktop_geometry,
  77     net_desktop_viewport,
  78     net_current_desktop,
  79     net_desktop_names,
  80     net_active_window,
  81     net_workarea,
  82     net_supporting_wm_check,
  83     net_virtual_roots,
  84     // root window messages
  85     net_close_window,
  86     net_wm_moveresize,
  87     // application window properties
  88     net_properties,
  89     net_wm_name,
  90     net_wm_desktop,
  91     net_wm_window_type,
  92     net_wm_state,
  93     net_wm_strut,
  94     net_wm_icon_geometry,
  95     net_wm_icon,
  96     net_wm_pid,
  97     net_wm_handled_icons,
  98     // application protocols
  99     net_wm_ping,
 100
 101     // constant for how many atoms exist in the enumerator
 102     NUM_ATOMS
 103   };
 104
 105   enum AtomType {
 106     Type_Cardinal,
 107     Type_Atom,
 108     Type_Window,
 109     Type_Pixmap
 110   };
 111
 112   enum StringType {
 113     Type_String,
 114     Type_Utf8,
 115   };
 116
 117 private:
 118   typedef std::vector<Window> SupportWindows;
 119
 120   Display              *_display;
 121   // windows used to specify support for NETWM
 122   SupportWindows        _support_windows;
 123   Atom                  _atoms[NUM_ATOMS];
 124
 125   Atom create(const char *name) const;
 126
 127   void setValue(Window win, AvailableAtoms atom, Atom type, unsigned char *data,
 128                 int size, int nelements, bool append) const;
 129   bool getValue(Window win, AvailableAtoms atom, Atom type,
 130                 unsigned long *nelements, unsigned char **value,
 131                 int size) const;
 132
 133   // no copying!!
 134   XAtom(const XAtom &);
 135   XAtom& operator=(const XAtom&);
 136
 137 public:
 138   XAtom(Blackbox *bb);
 139   virtual ~XAtom();
 140
 141   // setup support on a screen, each screen should call this once in its
 142   // constructor.
 143   void setSupported(const ScreenInfo *screen);
 144
 145   void setValue(Window win, AvailableAtoms atom, AtomType type,
 146                 unsigned long value) const;
 147   void setValue(Window win, AvailableAtoms atom, StringType type,
 148                 const std::string &value) const;
 149
 150   void addValue(Window win, AvailableAtoms atom, AtomType type,
 151                 unsigned long value) const;
 152   void addValue(Window win, AvailableAtoms atom, StringType type,
 153                 const std::string &value) const;
 154
 155   // the 'value' is allocated inside the function and
 156   // delete [] value needs to be called when you are done with it.
 157   // the 'value' array returned is null terminated, and has 'nelements'
 158   // elements in it plus the null.
 159   bool getValue(Window win, AvailableAtoms atom, AtomType type,
 160                 unsigned long *nelements, unsigned long **value) const;
 161   bool getValue(Window win, AvailableAtoms atom, StringType type,
 162                 std::string &value) const;
 163
 164   void eraseValue(Window win, AvailableAtoms atom) const;
 165
 166   // temporary function!! remove when not used in blackbox.hh anymore!!
 167   inline Atom getAtom(AvailableAtoms a)
 168   { Atom ret = _atoms[a]; assert(ret != 0); return ret; }
 169 };
 170
 171 #endif // __XAtom_h