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