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 //#include <stdio.h>
  38 #include <stdio.h>
  39 void OtkEventDispatcher::dispatchEvents(void)
  40 {
  41   XEvent e;
  42   OtkEventHandler *handler;
  43   OtkEventMap::iterator it;
  44
  45   while (XPending(OBDisplay::display)) {
  46     XNextEvent(OBDisplay::display, &e);
  47
  48 #if defined(DEBUG) && 0
  49     printf("Event %d window %lx\n", e.type, e.xany.window);
  50 #endif
  51
  52     // these ConfigureRequests require some special attention
  53     if (e.type == ConfigureRequest) {
  54       // find the actual window! e.xany.window is the parent window
  55       it = _map.find(e.xconfigurerequest.window);
  56
  57       if (it != _map.end())
  58         it->second->handle(e);
  59       else {
  60         // unhandled configure requests must be used to configure the window
  61         // directly
  62         XWindowChanges xwc;
  63
  64         xwc.x = e.xconfigurerequest.x;
  65         xwc.y = e.xconfigurerequest.y;
  66         xwc.width = e.xconfigurerequest.width;
  67         xwc.height = e.xconfigurerequest.height;
  68         xwc.border_width = e.xconfigurerequest.border_width;
  69         xwc.sibling = e.xconfigurerequest.above;
  70         xwc.stack_mode = e.xconfigurerequest.detail;
  71
  72         XConfigureWindow(otk::OBDisplay::display, e.xconfigurerequest.window,
  73                          e.xconfigurerequest.value_mask, &xwc);
  74       }
  75     } else {
  76       // normal events
  77
  78       it = _map.find(e.xany.window);
  79
  80       if (it != _map.end())
  81         handler = it->second;
  82       else
  83         handler = _fallback;
  84
  85       if (handler)
  86         handler->handle(e);
  87     }
  88
  89     if (_master)
  90       _master->handle(e);
  91   }
  92 }
  93
  94 }