Dogcows Code - chaz/openbox/blob - src/actions.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 "actions.hh"
   8 #include "widget.hh"
   9 #include "openbox.hh"
  10 #include "client.hh"
  11 #include "python.hh"
  12 #include "bindings.hh"
  13 #include "otk/display.hh"
  14
  15 #include <stdio.h>
  16
  17 namespace ob {
  18
  19 const unsigned int OBActions::DOUBLECLICKDELAY = 300;
  20
  21 OBActions::OBActions()
  22   : _button(0)
  23 {
  24   // XXX: load a configuration out of somewhere
  25
  26 }
  27
  28
  29 OBActions::~OBActions()
  30 {
  31 }
  32
  33
  34 void OBActions::buttonPressHandler(const XButtonEvent &e)
  35 {
  36   OtkEventHandler::buttonPressHandler(e);
  37
  38   // run the PRESS python hook
  39   OBWidget *w = dynamic_cast<OBWidget*>
  40     (Openbox::instance->findHandler(e.window));
  41
  42   doCallback(Action_ButtonPress, e.window,
  43              (OBWidget::WidgetType)(w ? w->type():-1),
  44              e.state, e.button, e.x_root, e.y_root, e.time);
  45
  46   if (_button) return; // won't count toward CLICK events
  47
  48   _button = e.button;
  49 }
  50
  51
  52 void OBActions::buttonReleaseHandler(const XButtonEvent &e)
  53 {
  54   OtkEventHandler::buttonReleaseHandler(e);
  55
  56   OBWidget *w = dynamic_cast<OBWidget*>
  57     (Openbox::instance->findHandler(e.window));
  58
  59   // not for the button we're watching?
  60   if (_button != e.button) return;
  61
  62   _button = 0;
  63
  64   // find the area of the window
  65   XWindowAttributes attr;
  66   if (!XGetWindowAttributes(otk::OBDisplay::display, e.window, &attr)) return;
  67
  68   // if not on the window any more, it isnt a CLICK
  69   if (!(e.same_screen && e.x >= 0 && e.y >= 0 &&
  70         e.x < attr.width && e.y < attr.height))
  71     return;
  72
  73   // run the CLICK python hook
  74   doCallback(Action_Click, e.window,
  75              (OBWidget::WidgetType)(w ? w->type():-1),
  76              e.state, e.button, e.x_root, e.y_root, e.time);
  77
  78   if (e.time - _release.time < DOUBLECLICKDELAY &&
  79       _release.win == e.window && _release.button == e.button) {
  80
  81     // run the DOUBLECLICK python hook
  82     doCallback(Action_DoubleClick, e.window,
  83                (OBWidget::WidgetType)(w ? w->type():-1),
  84                e.state, e.button, e.x_root, e.y_root, e.time);
  85
  86     // reset so you cant triple click for 2 doubleclicks
  87     _release.win = 0;
  88     _release.button = 0;
  89     _release.time = 0;
  90   } else {
  91     // save the button release, might be part of a double click
  92     _release.win = e.window;
  93     _release.button = e.button;
  94     _release.time = e.time;
  95   }
  96 }
  97
  98
  99 void OBActions::enterHandler(const XCrossingEvent &e)
 100 {
 101   OtkEventHandler::enterHandler(e);
 102
 103   OBWidget *w = dynamic_cast<OBWidget*>
 104     (Openbox::instance->findHandler(e.window));
 105
 106   // run the ENTER python hook
 107   doCallback(Action_EnterWindow, e.window,
 108              (OBWidget::WidgetType)(w ? w->type():-1), e.state, 0, 0, 0, 0);
 109 }
 110
 111
 112 void OBActions::leaveHandler(const XCrossingEvent &e)
 113 {
 114   OtkEventHandler::leaveHandler(e);
 115
 116   OBWidget *w = dynamic_cast<OBWidget*>
 117     (Openbox::instance->findHandler(e.window));
 118
 119   // run the LEAVE python hook
 120   doCallback(Action_LeaveWindow, e.window,
 121              (OBWidget::WidgetType)(w ? w->type():-1), e.state, 0, 0, 0, 0);
 122 }
 123
 124
 125 void OBActions::keyPressHandler(const XKeyEvent &e)
 126 {
 127 //  OBWidget *w = dynamic_cast<OBWidget*>
 128 //    (Openbox::instance->findHandler(e.window));
 129
 130   Openbox::instance->bindings()->fire(e.state, e.keycode, e.time);
 131 }
 132
 133
 134 void OBActions::motionHandler(const XMotionEvent &e)
 135 {
 136   if (!e.same_screen) return; // this just gets stupid
 137
 138   int x_root = e.x_root, y_root = e.y_root;
 139
 140   // compress changes to a window into a single change
 141   XEvent ce;
 142   while (XCheckTypedEvent(otk::OBDisplay::display, e.type, &ce)) {
 143     if (ce.xmotion.window != e.window) {
 144       XPutBackEvent(otk::OBDisplay::display, &ce);
 145       break;
 146     } else {
 147       x_root = e.x_root;
 148       y_root = e.y_root;
 149     }
 150   }
 151
 152
 153   OBWidget *w = dynamic_cast<OBWidget*>
 154     (Openbox::instance->findHandler(e.window));
 155
 156   // XXX: i can envision all sorts of crazy shit with this.. gestures, etc
 157   //      maybe that should all be done via python tho.. (or radial menus!)
 158   // run the simple MOTION python hook for now...
 159   doCallback(Action_MouseMotion, e.window,
 160              (OBWidget::WidgetType)(w ? w->type():-1),
 161              e.state, (unsigned)-1, x_root, y_root, e.time);
 162 }
 163
 164 void OBActions::mapRequestHandler(const XMapRequestEvent &e)
 165 {
 166   doCallback(Action_NewWindow, e.window, (OBWidget::WidgetType)-1,
 167              0, 0, 0, 0, 0);
 168 }
 169
 170 void OBActions::unmapHandler(const XUnmapEvent &e)
 171 {
 172   (void)e;
 173   doCallback(Action_CloseWindow, e.window, (OBWidget::WidgetType)-1,
 174              0, 0, 0, 0, 0);
 175 }
 176
 177 void OBActions::destroyHandler(const XDestroyWindowEvent &e)
 178 {
 179   (void)e;
 180   doCallback(Action_CloseWindow, e.window, (OBWidget::WidgetType)-1,
 181              0, 0, 0, 0, 0);
 182 }
 183
 184 void OBActions::doCallback(ActionType action, Window window,
 185                            OBWidget::WidgetType type, unsigned int state,
 186                            unsigned int button, int xroot, int yroot,
 187                            Time time)
 188 {
 189   std::pair<CallbackMap::iterator, CallbackMap::iterator> it_pair =
 190     _callbacks.equal_range(action);
 191
 192   CallbackMap::iterator it;
 193   for (it = it_pair.first; it != it_pair.second; ++it)
 194     python_callback(it->second, action, window, type, state,
 195                     button, xroot, yroot, time);
 196 }
 197
 198 bool OBActions::registerCallback(ActionType action, PyObject *func,
 199                                  bool atfront)
 200 {
 201   if (action < 0 || action >= OBActions::NUM_ACTIONS ||
 202       action == OBActions::Action_KeyPress) {
 203     return false;
 204   }
 205   if (!func)
 206     return false;
 207
 208   std::pair<CallbackMap::iterator, CallbackMap::iterator> it_pair =
 209     _callbacks.equal_range(action);
 210
 211   CallbackMap::iterator it;
 212   for (it = it_pair.first; it != it_pair.second; ++it)
 213     if (it->second == func)
 214       break;
 215   if (it == it_pair.second) // not already in there
 216     if (atfront)
 217       _callbacks.insert(_callbacks.begin(), CallbackMapPair(action, func));
 218     else
 219       _callbacks.insert(CallbackMapPair(action, func));
 220   Py_INCREF(func);
 221   return true;
 222 }
 223
 224 bool OBActions::unregisterCallback(ActionType action, PyObject *func)
 225 {
 226   if (action < 0 || action >= OBActions::NUM_ACTIONS ||
 227       action == OBActions::Action_KeyPress) {
 228     return false;
 229   }
 230   if (!func)
 231     return false;
 232
 233   std::pair<CallbackMap::iterator, CallbackMap::iterator> it_pair =
 234     _callbacks.equal_range(action);
 235
 236   CallbackMap::iterator it;
 237   for (it = it_pair.first; it != it_pair.second; ++it)
 238     if (it->second == func)
 239       break;
 240   if (it != it_pair.second) { // its been registered before
 241     Py_DECREF(func);
 242     _callbacks.erase(it);
 243   }
 244   return true;
 245 }
 246
 247 bool OBActions::unregisterAllCallbacks(ActionType action)
 248 {
 249   if (action < 0 || action >= OBActions::NUM_ACTIONS ||
 250       action == OBActions::Action_KeyPress) {
 251     return false;
 252   }
 253
 254   while (!_callbacks.empty()) {
 255     CallbackMap::iterator it = _callbacks.begin();
 256     Py_DECREF(it->second);
 257     _callbacks.erase(it);
 258   }
 259   return true;
 260 }
 261
 262 }