Dogcows Code - chaz/openbox/blob - src/actions.cc

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2
   3 #include "config.h"
   4
   5 #include "actions.hh"
   6 #include "openbox.hh"
   7 #include "client.hh"
   8 #include "frame.hh"
   9 #include "screen.hh"
  10 #include "python.hh"
  11 #include "bindings.hh"
  12 #include "otk/display.hh"
  13
  14 #include <cstdio>
  15 #include <algorithm>
  16
  17 namespace ob {
  18
  19 const int Actions::BUTTONS;
  20
  21 Actions::Actions()
  22   : _button(0),
  23     _dragging(false)
  24 {
  25   for (int i=0; i<BUTTONS; ++i)
  26     _posqueue[i] = new ButtonPressAction();
  27 }
  28
  29
  30 Actions::~Actions()
  31 {
  32   for (int i=0; i<BUTTONS; ++i)
  33     delete _posqueue[i];
  34 }
  35
  36
  37 void Actions::insertPress(const XButtonEvent &e)
  38 {
  39   ButtonPressAction *a = _posqueue[BUTTONS - 1];
  40   // rm'd the last one, shift them all down one
  41   for (int i = BUTTONS-1; i > 0; --i) {
  42     _posqueue[i] = _posqueue[i-1];
  43   }
  44   _posqueue[0] = a;
  45   a->button = e.button;
  46   a->pos = otk::Point(e.x_root, e.y_root);
  47
  48   Client *c = openbox->findClient(e.window);
  49   if (c) a->clientarea = c->area();
  50 }
  51
  52 void Actions::removePress(const XButtonEvent &e)
  53 {
  54   int i;
  55   ButtonPressAction *a = 0;
  56   for (i=0; i<BUTTONS-1; ++i)
  57     if (_posqueue[i]->button == e.button) {
  58       a = _posqueue[i];
  59       break;
  60     }
  61   if (a) { // found one, remove it and shift the rest up one
  62     for (; i < BUTTONS-1; ++i)
  63       _posqueue[i] = _posqueue[i+1];
  64     _posqueue[BUTTONS-1] = a;
  65   }
  66   _posqueue[BUTTONS-1]->button = 0;
  67 }
  68
  69 void Actions::buttonPressHandler(const XButtonEvent &e)
  70 {
  71   otk::EventHandler::buttonPressHandler(e);
  72   insertPress(e);
  73
  74   MouseContext::MC context;
  75   EventHandler *h = openbox->findHandler(e.window);
  76   Frame *f = dynamic_cast<Frame*>(h);
  77   if (f)
  78     context= f->mouseContext(e.window);
  79   else if (dynamic_cast<Client*>(h))
  80     context = MouseContext::Window;
  81   else if (dynamic_cast<Screen*>(h))
  82     context = MouseContext::Root;
  83   else
  84     return; // not a valid mouse context
  85
  86   // run the PRESS python hook
  87   // kill off the Button1Mask etc, only want the modifiers
  88   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
  89                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
  90   int screen;
  91   Client *c = openbox->findClient(e.window);
  92   if (c)
  93     screen = c->screen();
  94   else
  95     screen = otk::display->findScreen(e.root)->screen();
  96   MouseData data(screen, c, e.time, state, e.button, context,
  97                  MouseAction::Press);
  98   openbox->bindings()->fireButton(&data);
  99
 100   if (_button) return; // won't count toward CLICK events
 101
 102   _button = e.button;
 103
 104   if (context == MouseContext::Window) {
 105     /*
 106       Because of how events are grabbed on the client window, we can't get
 107       ButtonRelease events, so instead we simply manufacture them here, so that
 108       clicks/doubleclicks etc still work.
 109     */
 110     //XButtonEvent ev = e;
 111     //ev.type = ButtonRelease;
 112     buttonReleaseHandler(e);
 113   }
 114 }
 115
 116
 117 void Actions::buttonReleaseHandler(const XButtonEvent &e)
 118 {
 119   otk::EventHandler::buttonReleaseHandler(e);
 120   removePress(e);
 121
 122   MouseContext::MC context;
 123   EventHandler *h = openbox->findHandler(e.window);
 124   Frame *f = dynamic_cast<Frame*>(h);
 125   if (f)
 126     context= f->mouseContext(e.window);
 127   else if (dynamic_cast<Client*>(h))
 128     context = MouseContext::Window;
 129   else if (dynamic_cast<Screen*>(h))
 130     context = MouseContext::Root;
 131   else
 132     return; // not a valid mouse context
 133
 134   // run the RELEASE python hook
 135   // kill off the Button1Mask etc, only want the modifiers
 136   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 137                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 138   int screen;
 139   Client *c = openbox->findClient(e.window);
 140   if (c)
 141     screen = c->screen();
 142   else
 143     screen = otk::display->findScreen(e.root)->screen();
 144   MouseData data(screen, c, e.time, state, e.button, context,
 145                  MouseAction::Release);
 146   openbox->bindings()->fireButton(&data);
 147
 148   // not for the button we're watching?
 149   if (_button != e.button) return;
 150
 151   _button = 0;
 152   _dragging = false;
 153
 154   // find the area of the window
 155   XWindowAttributes attr;
 156   if (!XGetWindowAttributes(**otk::display, e.window, &attr)) return;
 157
 158   // if not on the window any more, it isnt a CLICK
 159   if (!(e.same_screen && e.x >= 0 && e.y >= 0 &&
 160         e.x < attr.width && e.y < attr.height))
 161     return;
 162
 163   // run the CLICK python hook
 164   data.action = MouseAction::Click;
 165   openbox->bindings()->fireButton(&data);
 166
 167
 168   // XXX: dont load this every time!!@*
 169   long dblclick;
 170   if (!python_get_long("DOUBLE_CLICK_DELAY", &dblclick))
 171     dblclick = 300;
 172
 173   if (e.time - _release.time < (unsigned)dblclick &&
 174       _release.win == e.window && _release.button == e.button) {
 175
 176     // run the DOUBLECLICK python hook
 177     data.action = MouseAction::DoubleClick;
 178     openbox->bindings()->fireButton(&data);
 179
 180     // reset so you cant triple click for 2 doubleclicks
 181     _release.win = 0;
 182     _release.button = 0;
 183     _release.time = 0;
 184   } else {
 185     // save the button release, might be part of a double click
 186     _release.win = e.window;
 187     _release.button = e.button;
 188     _release.time = e.time;
 189   }
 190 }
 191
 192
 193 void Actions::enterHandler(const XCrossingEvent &e)
 194 {
 195   otk::EventHandler::enterHandler(e);
 196
 197   // run the ENTER python hook
 198   int screen;
 199   Client *c = openbox->findClient(e.window);
 200   if (c)
 201     screen = c->screen();
 202   else
 203     screen = otk::display->findScreen(e.root)->screen();
 204   EventData data(screen, c, EventAction::EnterWindow, e.state);
 205   openbox->bindings()->fireEvent(&data);
 206 }
 207
 208
 209 void Actions::leaveHandler(const XCrossingEvent &e)
 210 {
 211   otk::EventHandler::leaveHandler(e);
 212
 213   // run the LEAVE python hook
 214   int screen;
 215   Client *c = openbox->findClient(e.window);
 216   if (c)
 217     screen = c->screen();
 218   else
 219     screen = otk::display->findScreen(e.root)->screen();
 220   EventData data(screen, c, EventAction::LeaveWindow, e.state);
 221   openbox->bindings()->fireEvent(&data);
 222 }
 223
 224
 225 void Actions::keyPressHandler(const XKeyEvent &e)
 226 {
 227   otk::EventHandler::keyPressHandler(e);
 228
 229   // kill off the Button1Mask etc, only want the modifiers
 230   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 231                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 232   openbox->bindings()->
 233     fireKey(otk::display->findScreen(e.root)->screen(),
 234             state, e.keycode, e.time, KeyAction::Press);
 235 }
 236
 237
 238 void Actions::keyReleaseHandler(const XKeyEvent &e)
 239 {
 240   otk::EventHandler::keyReleaseHandler(e);
 241
 242   // kill off the Button1Mask etc, only want the modifiers
 243   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 244                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 245
 246   // remove from the state the mask of the modifier being released, if it is
 247   // a modifier key being released (this is a little ugly..)
 248   const XModifierKeymap *map = otk::display->modifierMap();
 249   const int mask_table[] = {
 250     ShiftMask, LockMask, ControlMask, Mod1Mask,
 251     Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
 252   };
 253   KeyCode *kp = map->modifiermap;
 254   for (int i = 0, n = sizeof(mask_table)/sizeof(mask_table[0]); i < n; ++i) {
 255     for (int k = 0; k < map->max_keypermod; ++k) {
 256       if (*kp == e.keycode) { // found the keycode
 257         state &= ~mask_table[i]; // remove the mask for it
 258         i = n; // cause the first loop to break;
 259         break; // get outta here!
 260       }
 261       ++kp;
 262     }
 263   }
 264
 265   openbox->bindings()->
 266     fireKey(otk::display->findScreen(e.root)->screen(),
 267             state, e.keycode, e.time, KeyAction::Release);
 268 }
 269
 270
 271 void Actions::motionHandler(const XMotionEvent &e)
 272 {
 273   otk::EventHandler::motionHandler(e);
 274
 275   if (!e.same_screen) return; // this just gets stupid
 276
 277   MouseContext::MC context;
 278   EventHandler *h = openbox->findHandler(e.window);
 279   Frame *f = dynamic_cast<Frame*>(h);
 280   if (f)
 281     context= f->mouseContext(e.window);
 282   else if (dynamic_cast<Client*>(h))
 283     context = MouseContext::Window;
 284   else if (dynamic_cast<Screen*>(h))
 285     context = MouseContext::Root;
 286   else
 287     return; // not a valid mouse context
 288
 289   int x_root = e.x_root, y_root = e.y_root;
 290
 291   // compress changes to a window into a single change
 292   XEvent ce;
 293   while (XCheckTypedWindowEvent(**otk::display, e.window, e.type, &ce)) {
 294     x_root = e.x_root;
 295     y_root = e.y_root;
 296   }
 297
 298   if (!_dragging) {
 299     long threshold;
 300     int dx = x_root - _posqueue[0]->pos.x();
 301     int dy = y_root - _posqueue[0]->pos.y();
 302     // XXX: dont get this from python every time!
 303     if (!python_get_long("DRAG_THRESHOLD", &threshold))
 304       threshold = 0;
 305     if (!(std::abs(dx) >= threshold || std::abs(dy) >= threshold))
 306       return; // not at the threshold yet
 307   }
 308   _dragging = true; // in a drag now
 309
 310   // check if the movement is more than the threshold
 311
 312   // run the MOTION python hook
 313   // kill off the Button1Mask etc, only want the modifiers
 314   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 315                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 316   unsigned int button = _posqueue[0]->button;
 317   int screen;
 318   Client *c = openbox->findClient(e.window);
 319   if (c)
 320     screen = c->screen();
 321   else
 322     screen = otk::display->findScreen(e.root)->screen();
 323   MouseData data(screen, c, e.time, state, button, context,
 324                  MouseAction::Motion, x_root, y_root,
 325                  _posqueue[0]->pos, _posqueue[0]->clientarea);
 326   openbox->bindings()->fireButton(&data);
 327 }
 328
 329 #ifdef    XKB
 330 void Actions::xkbHandler(const XkbEvent &e)
 331 {
 332   Window w;
 333   int screen;
 334
 335   otk::EventHandler::xkbHandler(e);
 336
 337   switch (((XkbAnyEvent*)&e)->xkb_type) {
 338   case XkbBellNotify:
 339     w = ((XkbBellNotifyEvent*)&e)->window;
 340     Client *c = openbox->findClient(w);
 341     if (c)
 342       screen = c->screen();
 343     else
 344       screen = openbox->focusedScreen()->number();
 345     EventData data(screen, c, EventAction::Bell, 0);
 346     openbox->bindings()->fireEvent(&data);
 347     break;
 348   }
 349 }
 350 #endif // XKB
 351
 352 }
 353