Dogcows Code - chaz/openbox/blob - otk/eventdispatcher.cc

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2
   3 #ifdef HAVE_CONFIG_H
   4 # include "../config.h"
   5 #endif
   6
   7 #include "eventdispatcher.hh"
   8 #include "display.hh"
   9 #include <iostream>
  10
  11 namespace otk {
  12
  13 OtkEventDispatcher::OtkEventDispatcher()
  14   : _fallback(0), _master(0)
  15 {
  16 }
  17
  18 OtkEventDispatcher::~OtkEventDispatcher()
  19 {
  20 }
  21
  22 void OtkEventDispatcher::clearAllHandlers(void)
  23 {
  24   _map.clear();
  25 }
  26
  27 void OtkEventDispatcher::registerHandler(Window id, OtkEventHandler *handler)
  28 {
  29   _map.insert(std::pair<Window, OtkEventHandler*>(id, handler));
  30 }
  31
  32 void OtkEventDispatcher::clearHandler(Window id)
  33 {
  34   _map.erase(id);
  35 }
  36
  37 void OtkEventDispatcher::dispatchEvents(void)
  38 {
  39   XEvent e;
  40   OtkEventHandler *handler;
  41   OtkEventMap::iterator it;
  42
  43   while (XPending(OBDisplay::display)) {
  44     XNextEvent(OBDisplay::display, &e);
  45
  46 #if 0
  47     printf("Event %d window %lx\n", e.type, e.xany.window);
  48 #endif
  49
  50     // these ConfigureRequests require some special attention
  51     if (e.type == ConfigureRequest) {
  52       // find the actual window! e.xany.window is the parent window
  53       it = _map.find(e.xconfigurerequest.window);
  54
  55       if (it != _map.end())
  56         it->second->handle(e);
  57       else {
  58         // unhandled configure requests must be used to configure the window
  59         // directly
  60         XWindowChanges xwc;
  61
  62         xwc.x = e.xconfigurerequest.x;
  63         xwc.y = e.xconfigurerequest.y;
  64         xwc.width = e.xconfigurerequest.width;
  65         xwc.height = e.xconfigurerequest.height;
  66         xwc.border_width = e.xconfigurerequest.border_width;
  67         xwc.sibling = e.xconfigurerequest.above;
  68         xwc.stack_mode = e.xconfigurerequest.detail;
  69
  70         XConfigureWindow(otk::OBDisplay::display, e.xconfigurerequest.window,
  71                          e.xconfigurerequest.value_mask, &xwc);
  72       }
  73     } else {
  74       // normal events
  75
  76       it = _map.find(e.xany.window);
  77
  78       if (it != _map.end())
  79         handler = it->second;
  80       else
  81         handler = _fallback;
  82
  83       if (handler)
  84         handler->handle(e);
  85     }
  86
  87     if (_master)
  88       _master->handle(e);
  89   }
  90 }
  91
  92 OtkEventHandler *OtkEventDispatcher::findHandler(Window win)
  93 {
  94   OtkEventMap::iterator it = _map.find(win);
  95   if (it != _map.end())
  96     return it->second;
  97   return 0;
  98 }
  99
 100 }