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   // run the RELEASE python hook
  60   doCallback(Action_ButtonRelease, e.window,
  61              (OBWidget::WidgetType)(w ? w->type():-1),
  62              e.state, e.button, e.x_root, e.y_root, e.time);
  63
  64   // not for the button we're watching?
  65   if (_button != e.button) return;
  66
  67   _button = 0;
  68
  69   // find the area of the window
  70   XWindowAttributes attr;
  71   if (!XGetWindowAttributes(otk::OBDisplay::display, e.window, &attr)) return;
  72
  73   // if not on the window any more, it isnt a CLICK
  74   if (!(e.same_screen && e.x >= 0 && e.y >= 0 &&
  75         e.x < attr.width && e.y < attr.height))
  76     return;
  77
  78   // run the CLICK python hook
  79   doCallback(Action_Click, e.window,
  80              (OBWidget::WidgetType)(w ? w->type():-1),
  81              e.state, e.button, e.x_root, e.y_root, e.time);
  82
  83   if (e.time - _release.time < DOUBLECLICKDELAY &&
  84       _release.win == e.window && _release.button == e.button) {
  85
  86     // run the DOUBLECLICK python hook
  87     doCallback(Action_DoubleClick, e.window,
  88                (OBWidget::WidgetType)(w ? w->type():-1),
  89                e.state, e.button, e.x_root, e.y_root, e.time);
  90
  91     // reset so you cant triple click for 2 doubleclicks
  92     _release.win = 0;
  93     _release.button = 0;
  94     _release.time = 0;
  95   } else {
  96     // save the button release, might be part of a double click
  97     _release.win = e.window;
  98     _release.button = e.button;
  99     _release.time = e.time;
 100   }
 101 }
 102
 103
 104 void OBActions::enterHandler(const XCrossingEvent &e)
 105 {
 106   OtkEventHandler::enterHandler(e);
 107
 108   OBWidget *w = dynamic_cast<OBWidget*>
 109     (Openbox::instance->findHandler(e.window));
 110
 111   // run the ENTER python hook
 112   doCallback(Action_EnterWindow, e.window,
 113              (OBWidget::WidgetType)(w ? w->type():-1), e.state, 0, 0, 0, 0);
 114 }
 115
 116
 117 void OBActions::leaveHandler(const XCrossingEvent &e)
 118 {
 119   OtkEventHandler::leaveHandler(e);
 120
 121   OBWidget *w = dynamic_cast<OBWidget*>
 122     (Openbox::instance->findHandler(e.window));
 123
 124   // run the LEAVE python hook
 125   doCallback(Action_LeaveWindow, e.window,
 126              (OBWidget::WidgetType)(w ? w->type():-1), e.state, 0, 0, 0, 0);
 127 }
 128
 129
 130 void OBActions::keyPressHandler(const XKeyEvent &e)
 131 {
 132 //  OBWidget *w = dynamic_cast<OBWidget*>
 133 //    (Openbox::instance->findHandler(e.window));
 134
 135   Openbox::instance->bindings()->fire(e.state, e.keycode, e.time);
 136 }
 137
 138
 139 void OBActions::motionHandler(const XMotionEvent &e)
 140 {
 141   if (!e.same_screen) return; // this just gets stupid
 142
 143   int x_root = e.x_root, y_root = e.y_root;
 144
 145   // compress changes to a window into a single change
 146   XEvent ce;
 147   while (XCheckTypedEvent(otk::OBDisplay::display, e.type, &ce)) {
 148     if (ce.xmotion.window != e.window) {
 149       XPutBackEvent(otk::OBDisplay::display, &ce);
 150       break;
 151     } else {
 152       x_root = e.x_root;
 153       y_root = e.y_root;
 154     }
 155   }
 156
 157
 158   OBWidget *w = dynamic_cast<OBWidget*>
 159     (Openbox::instance->findHandler(e.window));
 160
 161   // XXX: i can envision all sorts of crazy shit with this.. gestures, etc
 162   //      maybe that should all be done via python tho.. (or radial menus!)
 163   // run the simple MOTION python hook for now...
 164   doCallback(Action_MouseMotion, e.window,
 165              (OBWidget::WidgetType)(w ? w->type():-1),
 166              e.state, (unsigned)-1, e.x_root, e.y_root, e.time);
 167 }
 168
 169 void OBActions::mapRequestHandler(const XMapRequestEvent &e)
 170 {
 171   doCallback(Action_NewWindow, e.window, (OBWidget::WidgetType)-1,
 172              0, 0, 0, 0, 0);
 173 }
 174
 175 void OBActions::unmapHandler(const XUnmapEvent &e)
 176 {
 177   (void)e;
 178   doCallback(Action_CloseWindow, e.window, (OBWidget::WidgetType)-1,
 179              0, 0, 0, 0, 0);
 180 }
 181
 182 void OBActions::destroyHandler(const XDestroyWindowEvent &e)
 183 {
 184   (void)e;
 185   doCallback(Action_CloseWindow, e.window, (OBWidget::WidgetType)-1,
 186              0, 0, 0, 0, 0);
 187 }
 188
 189 void OBActions::doCallback(ActionType action, Window window,
 190                            OBWidget::WidgetType type, unsigned int state,
 191                            unsigned int button, int xroot, int yroot,
 192                            Time time)
 193 {
 194   std::pair<CallbackMap::iterator, CallbackMap::iterator> it_pair =
 195     _callbacks.equal_range(action);
 196
 197   CallbackMap::iterator it;
 198   for (it = it_pair.first; it != it_pair.second; ++it)
 199     python_callback(it->second, action, window, type, state,
 200                     button, xroot, yroot, time);
 201 }
 202
 203 bool OBActions::registerCallback(ActionType action, PyObject *func,
 204                                  bool atfront)
 205 {
 206   if (action < 0 || action >= OBActions::NUM_ACTIONS ||
 207       action == OBActions::Action_KeyPress) {
 208     return false;
 209   }
 210   if (!func)
 211     return false;
 212
 213   std::pair<CallbackMap::iterator, CallbackMap::iterator> it_pair =
 214     _callbacks.equal_range(action);
 215
 216   CallbackMap::iterator it;
 217   for (it = it_pair.first; it != it_pair.second; ++it)
 218     if (it->second == func)
 219       break;
 220   if (it == it_pair.second) // not already in there
 221     if (atfront)
 222       _callbacks.insert(_callbacks.begin(), CallbackMapPair(action, func));
 223     else
 224       _callbacks.insert(CallbackMapPair(action, func));
 225   Py_INCREF(func);
 226   return true;
 227 }
 228
 229 bool OBActions::unregisterCallback(ActionType action, PyObject *func)
 230 {
 231   if (action < 0 || action >= OBActions::NUM_ACTIONS ||
 232       action == OBActions::Action_KeyPress) {
 233     return false;
 234   }
 235   if (!func)
 236     return false;
 237
 238   std::pair<CallbackMap::iterator, CallbackMap::iterator> it_pair =
 239     _callbacks.equal_range(action);
 240
 241   CallbackMap::iterator it;
 242   for (it = it_pair.first; it != it_pair.second; ++it)
 243     if (it->second == func)
 244       break;
 245   if (it != it_pair.second) { // its been registered before
 246     Py_DECREF(func);
 247     _callbacks.erase(it);
 248   }
 249   return true;
 250 }
 251
 252 bool OBActions::unregisterAllCallbacks(ActionType action)
 253 {
 254   if (action < 0 || action >= OBActions::NUM_ACTIONS ||
 255       action == OBActions::Action_KeyPress) {
 256     return false;
 257   }
 258
 259   while (!_callbacks.empty()) {
 260     CallbackMap::iterator it = _callbacks.begin();
 261     Py_DECREF(it->second);
 262     _callbacks.erase(it);
 263   }
 264   return true;
 265 }
 266
 267 }