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   MouseContext::MC context;
  76   EventHandler *h = openbox->findHandler(e.window);
  77   Frame *f = dynamic_cast<Frame*>(h);
  78   if (f)
  79     context= f->mouseContext(e.window);
  80   else if (dynamic_cast<Client*>(h))
  81     context = MouseContext::Window;
  82   else if (dynamic_cast<Screen*>(h))
  83     context = MouseContext::Root;
  84   else
  85     return; // not a valid mouse context
  86
  87   // run the PRESS python hook
  88   // kill off the Button1Mask etc, only want the modifiers
  89   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
  90                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
  91   int screen;
  92   Client *c = openbox->findClient(e.window);
  93   if (c)
  94     screen = c->screen();
  95   else
  96     screen = otk::display->findScreen(e.root)->screen();
  97   MouseData data(screen, c, e.time, state, e.button, context,
  98                  MouseAction::Press);
  99   openbox->bindings()->fireButton(&data);
 100
 101   if (_button) return; // won't count toward CLICK events
 102
 103   _button = e.button;
 104
 105   if (context == MouseContext::Window) {
 106     /*
 107       Because of how events are grabbed on the client window, we can't get
 108       ButtonRelease events, so instead we simply manufacture them here, so that
 109       clicks/doubleclicks etc still work.
 110     */
 111     //XButtonEvent ev = e;
 112     //ev.type = ButtonRelease;
 113     buttonReleaseHandler(e);
 114   }
 115 }
 116
 117
 118 void Actions::buttonReleaseHandler(const XButtonEvent &e)
 119 {
 120   otk::EventHandler::buttonReleaseHandler(e);
 121   removePress(e);
 122
 123   MouseContext::MC context;
 124   EventHandler *h = openbox->findHandler(e.window);
 125   Frame *f = dynamic_cast<Frame*>(h);
 126   if (f)
 127     context= f->mouseContext(e.window);
 128   else if (dynamic_cast<Client*>(h))
 129     context = MouseContext::Window;
 130   else if (dynamic_cast<Screen*>(h))
 131     context = MouseContext::Root;
 132   else
 133     return; // not a valid mouse context
 134
 135   // run the RELEASE python hook
 136   // kill off the Button1Mask etc, only want the modifiers
 137   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 138                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 139   int screen;
 140   Client *c = openbox->findClient(e.window);
 141   if (c)
 142     screen = c->screen();
 143   else
 144     screen = otk::display->findScreen(e.root)->screen();
 145   MouseData data(screen, c, e.time, state, e.button, context,
 146                  MouseAction::Release);
 147   openbox->bindings()->fireButton(&data);
 148
 149   // not for the button we're watching?
 150   if (_button != e.button) return;
 151
 152   _button = 0;
 153   _dragging = false;
 154
 155   // find the area of the window
 156   XWindowAttributes attr;
 157   if (!XGetWindowAttributes(**otk::display, e.window, &attr)) return;
 158
 159   // if not on the window any more, it isnt a CLICK
 160   if (!(e.same_screen && e.x >= 0 && e.y >= 0 &&
 161         e.x < attr.width && e.y < attr.height))
 162     return;
 163
 164   // run the CLICK python hook
 165   data.action = MouseAction::Click;
 166   openbox->bindings()->fireButton(&data);
 167
 168
 169   // XXX: dont load this every time!!@*
 170   long dblclick;
 171   if (!python_get_long("DOUBLE_CLICK_DELAY", &dblclick))
 172     dblclick = 300;
 173
 174   if (e.time - _release.time < (unsigned)dblclick &&
 175       _release.win == e.window && _release.button == e.button) {
 176
 177     // run the DOUBLECLICK python hook
 178     data.action = MouseAction::DoubleClick;
 179     openbox->bindings()->fireButton(&data);
 180
 181     // reset so you cant triple click for 2 doubleclicks
 182     _release.win = 0;
 183     _release.button = 0;
 184     _release.time = 0;
 185   } else {
 186     // save the button release, might be part of a double click
 187     _release.win = e.window;
 188     _release.button = e.button;
 189     _release.time = e.time;
 190   }
 191 }
 192
 193
 194 void Actions::enterHandler(const XCrossingEvent &e)
 195 {
 196   otk::EventHandler::enterHandler(e);
 197
 198   // run the ENTER python hook
 199   int screen;
 200   Client *c = openbox->findClient(e.window);
 201   if (c)
 202     screen = c->screen();
 203   else
 204     screen = otk::display->findScreen(e.root)->screen();
 205   EventData data(screen, c, EventAction::EnterWindow, e.state);
 206   openbox->bindings()->fireEvent(&data);
 207 }
 208
 209
 210 void Actions::leaveHandler(const XCrossingEvent &e)
 211 {
 212   otk::EventHandler::leaveHandler(e);
 213
 214   // run the LEAVE python hook
 215   int screen;
 216   Client *c = openbox->findClient(e.window);
 217   if (c)
 218     screen = c->screen();
 219   else
 220     screen = otk::display->findScreen(e.root)->screen();
 221   EventData data(screen, c, EventAction::LeaveWindow, e.state);
 222   openbox->bindings()->fireEvent(&data);
 223 }
 224
 225
 226 void Actions::keyPressHandler(const XKeyEvent &e)
 227 {
 228   otk::EventHandler::keyPressHandler(e);
 229
 230   // kill off the Button1Mask etc, only want the modifiers
 231   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 232                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 233   openbox->bindings()->
 234     fireKey(otk::display->findScreen(e.root)->screen(),
 235             state, e.keycode, e.time, KeyAction::Press);
 236 }
 237
 238
 239 void Actions::keyReleaseHandler(const XKeyEvent &e)
 240 {
 241   otk::EventHandler::keyReleaseHandler(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   // remove from the state the mask of the modifier being released, if it is
 248   // a modifier key being released (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]; // remove 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::Release);
 269 }
 270
 271
 272 void Actions::motionHandler(const XMotionEvent &e)
 273 {
 274   otk::EventHandler::motionHandler(e);
 275
 276   if (!e.same_screen) return; // this just gets stupid
 277
 278   if (e.window != _posqueue[0]->win) return;
 279
 280   MouseContext::MC context;
 281   EventHandler *h = openbox->findHandler(e.window);
 282   Frame *f = dynamic_cast<Frame*>(h);
 283   if (f)
 284     context= f->mouseContext(e.window);
 285   else if (dynamic_cast<Client*>(h))
 286     context = MouseContext::Window;
 287   else if (dynamic_cast<Screen*>(h))
 288     context = MouseContext::Root;
 289   else
 290     return; // not a valid mouse context
 291
 292   int x_root = e.x_root, y_root = e.y_root;
 293
 294   // compress changes to a window into a single change
 295   XEvent ce;
 296   while (XCheckTypedWindowEvent(**otk::display, e.window, e.type, &ce)) {
 297     x_root = e.x_root;
 298     y_root = e.y_root;
 299   }
 300
 301   if (!_dragging) {
 302     long threshold;
 303     int dx = x_root - _posqueue[0]->pos.x();
 304     int dy = y_root - _posqueue[0]->pos.y();
 305     // XXX: dont get this from python every time!
 306     if (!python_get_long("DRAG_THRESHOLD", &threshold))
 307       threshold = 0;
 308     if (!(std::abs(dx) >= threshold || std::abs(dy) >= threshold))
 309       return; // not at the threshold yet
 310   }
 311   _dragging = true; // in a drag now
 312
 313   // check if the movement is more than the threshold
 314
 315   // run the MOTION python hook
 316   // kill off the Button1Mask etc, only want the modifiers
 317   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 318                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 319   unsigned int button = _posqueue[0]->button;
 320   int screen;
 321   Client *c = openbox->findClient(e.window);
 322   if (c)
 323     screen = c->screen();
 324   else
 325     screen = otk::display->findScreen(e.root)->screen();
 326   MouseData data(screen, c, e.time, state, button, context,
 327                  MouseAction::Motion, x_root, y_root,
 328                  _posqueue[0]->pos, _posqueue[0]->clientarea);
 329   openbox->bindings()->fireButton(&data);
 330 }
 331
 332 #ifdef    XKB
 333 void Actions::xkbHandler(const XkbEvent &e)
 334 {
 335   Window w;
 336   int screen;
 337
 338   otk::EventHandler::xkbHandler(e);
 339
 340   switch (((XkbAnyEvent*)&e)->xkb_type) {
 341   case XkbBellNotify:
 342     w = ((XkbBellNotifyEvent*)&e)->window;
 343     Client *c = openbox->findClient(w);
 344     if (c)
 345       screen = c->screen();
 346     else
 347       screen = openbox->focusedScreen()->number();
 348     EventData data(screen, c, EventAction::Bell, 0);
 349     openbox->bindings()->fireEvent(&data);
 350     break;
 351   }
 352 }
 353 #endif // XKB
 354
 355 }
 356