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->win = e.window;
  46   a->button = e.button;
  47   a->pos = otk::Point(e.x_root, e.y_root);
  48
  49   Client *c = openbox->findClient(e.window);
  50   if (c) a->clientarea = c->area();
  51 }
  52
  53 void Actions::removePress(const XButtonEvent &e)
  54 {
  55   int i;
  56   ButtonPressAction *a = 0;
  57   for (i=0; i<BUTTONS-1; ++i)
  58     if (_posqueue[i]->button == e.button) {
  59       a = _posqueue[i];
  60       break;
  61     }
  62   if (a) { // found one, remove it and shift the rest up one
  63     for (; i < BUTTONS-1; ++i)
  64       _posqueue[i] = _posqueue[i+1];
  65     _posqueue[BUTTONS-1] = a;
  66   }
  67   _posqueue[BUTTONS-1]->button = 0;
  68 }
  69
  70 void Actions::buttonPressHandler(const XButtonEvent &e)
  71 {
  72   otk::EventHandler::buttonPressHandler(e);
  73   insertPress(e);
  74
  75   printf("press queue %u pressed %u\n", _button, e.button);
  76
  77   MouseContext::MC context;
  78   EventHandler *h = openbox->findHandler(e.window);
  79   Frame *f = dynamic_cast<Frame*>(h);
  80   if (f)
  81     context= f->mouseContext(e.window);
  82   else if (dynamic_cast<Client*>(h))
  83     context = MouseContext::Window;
  84   else if (dynamic_cast<Screen*>(h))
  85     context = MouseContext::Root;
  86   else
  87     return; // not a valid mouse context
  88
  89   if (_button) {
  90     unsigned int mask;
  91     switch(_button) {
  92     case Button1: mask = Button1Mask; break;
  93     case Button2: mask = Button2Mask; break;
  94     case Button3: mask = Button3Mask; break;
  95     case Button4: mask = Button4Mask; break;
  96     case Button5: mask = Button5Mask; break;
  97     default: assert(false); return; // unhandled button
  98     }
  99     // was the button released but we didnt get the event? (pointergrabs cause
 100     // this)
 101     if (!(e.state & mask))
 102       _button = 0;
 103   }
 104
 105   // run the PRESS python hook
 106   // kill off the Button1Mask etc, only want the modifiers
 107   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 108                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 109   int screen;
 110   Client *c = openbox->findClient(e.window);
 111   if (c)
 112     screen = c->screen();
 113   else
 114     screen = otk::display->findScreen(e.root)->screen();
 115   MouseData data(screen, c, e.time, state, e.button, context,
 116                  MouseAction::Press);
 117   openbox->bindings()->fireButton(&data);
 118
 119   if (_button) return; // won't count toward CLICK events
 120
 121   _button = e.button;
 122
 123   if (context == MouseContext::Window) {
 124     /*
 125       Because of how events are grabbed on the client window, we can't get
 126       ButtonRelease events, so instead we simply manufacture them here, so that
 127       clicks/doubleclicks etc still work.
 128     */
 129     //XButtonEvent ev = e;
 130     //ev.type = ButtonRelease;
 131     buttonReleaseHandler(e);
 132   }
 133 }
 134
 135
 136 void Actions::buttonReleaseHandler(const XButtonEvent &e)
 137 {
 138   otk::EventHandler::buttonReleaseHandler(e);
 139   //removePress(e);
 140
 141   MouseContext::MC context;
 142   EventHandler *h = openbox->findHandler(e.window);
 143   Frame *f = dynamic_cast<Frame*>(h);
 144   if (f)
 145     context= f->mouseContext(e.window);
 146   else if (dynamic_cast<Client*>(h))
 147     context = MouseContext::Window;
 148   else if (dynamic_cast<Screen*>(h))
 149     context = MouseContext::Root;
 150   else
 151     return; // not a valid mouse context
 152
 153   // run the RELEASE python hook
 154   // kill off the Button1Mask etc, only want the modifiers
 155   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 156                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 157   int screen;
 158   Client *c = openbox->findClient(e.window);
 159   if (c)
 160     screen = c->screen();
 161   else
 162     screen = otk::display->findScreen(e.root)->screen();
 163   MouseData data(screen, c, e.time, state, e.button, context,
 164                  MouseAction::Release);
 165   openbox->bindings()->fireButton(&data);
 166
 167   // not for the button we're watching?
 168   if (_button != e.button) return;
 169
 170   _button = 0;
 171   _dragging = false;
 172
 173   // find the area of the window
 174   XWindowAttributes attr;
 175   if (!XGetWindowAttributes(**otk::display, e.window, &attr)) return;
 176
 177   // if not on the window any more, it isnt a CLICK
 178   if (!(e.same_screen && e.x >= 0 && e.y >= 0 &&
 179         e.x < attr.width && e.y < attr.height))
 180     return;
 181
 182   // run the CLICK python hook
 183   data.action = MouseAction::Click;
 184   openbox->bindings()->fireButton(&data);
 185
 186   long dblclick = openbox->screen(screen)->config().double_click_delay;
 187   if (e.time - _release.time < (unsigned)dblclick &&
 188       _release.win == e.window && _release.button == e.button) {
 189
 190     // run the DOUBLECLICK python hook
 191     data.action = MouseAction::DoubleClick;
 192     openbox->bindings()->fireButton(&data);
 193
 194     // reset so you cant triple click for 2 doubleclicks
 195     _release.win = 0;
 196     _release.button = 0;
 197     _release.time = 0;
 198   } else {
 199     // save the button release, might be part of a double click
 200     _release.win = e.window;
 201     _release.button = e.button;
 202     _release.time = e.time;
 203   }
 204 }
 205
 206
 207 void Actions::enterHandler(const XCrossingEvent &e)
 208 {
 209   otk::EventHandler::enterHandler(e);
 210
 211   // run the ENTER python hook
 212   int screen;
 213   Client *c = openbox->findClient(e.window);
 214   if (c)
 215     screen = c->screen();
 216   else
 217     screen = otk::display->findScreen(e.root)->screen();
 218   EventData data(screen, c, EventAction::EnterWindow, e.state);
 219   openbox->bindings()->fireEvent(&data);
 220 }
 221
 222
 223 void Actions::leaveHandler(const XCrossingEvent &e)
 224 {
 225   otk::EventHandler::leaveHandler(e);
 226
 227   // run the LEAVE python hook
 228   int screen;
 229   Client *c = openbox->findClient(e.window);
 230   if (c)
 231     screen = c->screen();
 232   else
 233     screen = otk::display->findScreen(e.root)->screen();
 234   EventData data(screen, c, EventAction::LeaveWindow, e.state);
 235   openbox->bindings()->fireEvent(&data);
 236 }
 237
 238
 239 void Actions::keyPressHandler(const XKeyEvent &e)
 240 {
 241   otk::EventHandler::keyPressHandler(e);
 242
 243   // kill off the Button1Mask etc, only want the modifiers
 244   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 245                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 246
 247   // add to the state the mask of the modifier being pressed, if it is
 248   // a modifier key being pressed (this is a little ugly..)
 249   const XModifierKeymap *map = otk::display->modifierMap();
 250   const int mask_table[] = {
 251     ShiftMask, LockMask, ControlMask, Mod1Mask,
 252     Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
 253   };
 254   KeyCode *kp = map->modifiermap;
 255   for (int i = 0, n = sizeof(mask_table)/sizeof(mask_table[0]); i < n; ++i) {
 256     for (int k = 0; k < map->max_keypermod; ++k) {
 257       if (*kp == e.keycode) { // found the keycode
 258         state |= mask_table[i]; // add the mask for it
 259         i = n; // cause the first loop to break;
 260         break; // get outta here!
 261       }
 262       ++kp;
 263     }
 264   }
 265
 266   openbox->bindings()->
 267     fireKey(otk::display->findScreen(e.root)->screen(),
 268             state, e.keycode, e.time, KeyAction::Press);
 269 }
 270
 271
 272 void Actions::keyReleaseHandler(const XKeyEvent &e)
 273 {
 274   otk::EventHandler::keyReleaseHandler(e);
 275
 276   // kill off the Button1Mask etc, only want the modifiers
 277   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 278                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 279
 280   // remove from the state the mask of the modifier being released, if it is
 281   // a modifier key being released (this is a little ugly..)
 282   const XModifierKeymap *map = otk::display->modifierMap();
 283   const int mask_table[] = {
 284     ShiftMask, LockMask, ControlMask, Mod1Mask,
 285     Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
 286   };
 287   KeyCode *kp = map->modifiermap;
 288   for (int i = 0, n = sizeof(mask_table)/sizeof(mask_table[0]); i < n; ++i) {
 289     for (int k = 0; k < map->max_keypermod; ++k) {
 290       if (*kp == e.keycode) { // found the keycode
 291         state &= ~mask_table[i]; // remove the mask for it
 292         i = n; // cause the first loop to break;
 293         break; // get outta here!
 294       }
 295       ++kp;
 296     }
 297   }
 298
 299   openbox->bindings()->
 300     fireKey(otk::display->findScreen(e.root)->screen(),
 301             state, e.keycode, e.time, KeyAction::Release);
 302 }
 303
 304
 305 void Actions::motionHandler(const XMotionEvent &e)
 306 {
 307   otk::EventHandler::motionHandler(e);
 308
 309   if (!e.same_screen) return; // this just gets stupid
 310
 311   if (e.window != _posqueue[0]->win) return;
 312
 313   MouseContext::MC context;
 314   EventHandler *h = openbox->findHandler(e.window);
 315   Frame *f = dynamic_cast<Frame*>(h);
 316   if (f)
 317     context= f->mouseContext(e.window);
 318   else if (dynamic_cast<Client*>(h))
 319     context = MouseContext::Window;
 320   else if (dynamic_cast<Screen*>(h))
 321     context = MouseContext::Root;
 322   else
 323     return; // not a valid mouse context
 324
 325   int x_root = e.x_root, y_root = e.y_root;
 326
 327   // compress changes to a window into a single change
 328   XEvent ce;
 329   while (XCheckTypedWindowEvent(**otk::display, e.window, e.type, &ce)) {
 330     x_root = e.x_root;
 331     y_root = e.y_root;
 332   }
 333
 334   int screen;
 335   Client *c = openbox->findClient(e.window);
 336   if (c)
 337     screen = c->screen();
 338   else
 339     screen = otk::display->findScreen(e.root)->screen();
 340
 341   if (!_dragging) {
 342     int dx = x_root - _posqueue[0]->pos.x();
 343     int dy = y_root - _posqueue[0]->pos.y();
 344     long threshold = openbox->screen(screen)->config().drag_threshold;
 345     if (!(std::abs(dx) >= threshold || std::abs(dy) >= threshold))
 346       return; // not at the threshold yet
 347   }
 348   _dragging = true; // in a drag now
 349
 350   // check if the movement is more than the threshold
 351
 352   // run the MOTION python hook
 353   // kill off the Button1Mask etc, only want the modifiers
 354   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 355                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 356   unsigned int button = _posqueue[0]->button;
 357   MouseData data(screen, c, e.time, state, button, context,
 358                  MouseAction::Motion, x_root, y_root,
 359                  _posqueue[0]->pos, _posqueue[0]->clientarea);
 360   openbox->bindings()->fireButton(&data);
 361 }
 362
 363 #ifdef    XKB
 364 void Actions::xkbHandler(const XkbEvent &e)
 365 {
 366   Window w;
 367   int screen;
 368
 369   otk::EventHandler::xkbHandler(e);
 370
 371   switch (((XkbAnyEvent*)&e)->xkb_type) {
 372   case XkbBellNotify:
 373     w = ((XkbBellNotifyEvent*)&e)->window;
 374     Client *c = openbox->findClient(w);
 375     if (c)
 376       screen = c->screen();
 377     else
 378       screen = openbox->focusedScreen()->number();
 379     EventData data(screen, c, EventAction::Bell, 0);
 380     openbox->bindings()->fireEvent(&data);
 381     break;
 382   }
 383 }
 384 #endif // XKB
 385
 386 }
 387