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 Actions::Actions()
  20   : _dragging(false)
  21 {
  22 }
  23
  24
  25 Actions::~Actions()
  26 {
  27 }
  28
  29
  30 void Actions::buttonPressHandler(const XButtonEvent &e)
  31 {
  32   otk::EventHandler::buttonPressHandler(e);
  33
  34   MouseContext::MC context;
  35   EventHandler *h = openbox->findHandler(e.window);
  36   Frame *f = dynamic_cast<Frame*>(h);
  37   if (f)
  38     context= f->mouseContext(e.window);
  39   else if (dynamic_cast<Client*>(h))
  40     context = MouseContext::Window;
  41   else if (dynamic_cast<Screen*>(h))
  42     context = MouseContext::Root;
  43   else
  44     return; // not a valid mouse context
  45
  46   if (_press.button) {
  47     unsigned int mask;
  48     switch(_press.button) {
  49     case Button1: mask = Button1Mask; break;
  50     case Button2: mask = Button2Mask; break;
  51     case Button3: mask = Button3Mask; break;
  52     case Button4: mask = Button4Mask; break;
  53     case Button5: mask = Button5Mask; break;
  54     default: mask = 0; // on other buttons we have to assume its not pressed...
  55     }
  56     // was the button released but we didnt get the event? (pointergrabs cause
  57     // this)
  58     if (!(e.state & mask))
  59       _press.button = 0;
  60   }
  61
  62   // run the PRESS python hook
  63   // kill off the Button1Mask etc, only want the modifiers
  64   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
  65                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
  66   int screen;
  67   Client *c = openbox->findClient(e.window);
  68   if (c)
  69     screen = c->screen();
  70   else
  71     screen = otk::display->findScreen(e.root)->screen();
  72   MouseData data(screen, c, e.time, state, e.button, context,
  73                  MouseAction::Press);
  74   openbox->bindings()->fireButton(&data);
  75
  76   if (_press.button) return; // won't count toward CLICK events
  77
  78   _press.win = e.window;
  79   _press.button = e.button;
  80   _press.pos = otk::Point(e.x_root, e.y_root);
  81   if (c)
  82     _press.clientarea = c->area();
  83
  84   printf("press queue %u pressed %u\n", _press.button, e.button);
  85
  86   if (context == MouseContext::Window) {
  87     /*
  88       Because of how events are grabbed on the client window, we can't get
  89       ButtonRelease events, so instead we simply manufacture them here, so that
  90       clicks/doubleclicks etc still work.
  91     */
  92     //XButtonEvent ev = e;
  93     //ev.type = ButtonRelease;
  94     buttonReleaseHandler(e);
  95   }
  96 }
  97
  98
  99 void Actions::buttonReleaseHandler(const XButtonEvent &e)
 100 {
 101   otk::EventHandler::buttonReleaseHandler(e);
 102
 103   MouseContext::MC context;
 104   EventHandler *h = openbox->findHandler(e.window);
 105   Frame *f = dynamic_cast<Frame*>(h);
 106   if (f)
 107     context= f->mouseContext(e.window);
 108   else if (dynamic_cast<Client*>(h))
 109     context = MouseContext::Window;
 110   else if (dynamic_cast<Screen*>(h))
 111     context = MouseContext::Root;
 112   else
 113     return; // not a valid mouse context
 114
 115   // run the RELEASE python hook
 116   // kill off the Button1Mask etc, only want the modifiers
 117   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 118                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 119   int screen;
 120   Client *c = openbox->findClient(e.window);
 121   if (c)
 122     screen = c->screen();
 123   else
 124     screen = otk::display->findScreen(e.root)->screen();
 125   MouseData data(screen, c, e.time, state, e.button, context,
 126                  MouseAction::Release);
 127   openbox->bindings()->fireButton(&data);
 128
 129   // not for the button we're watching?
 130   if (_press.button != e.button) return;
 131
 132   _press.button = 0;
 133   _dragging = false;
 134
 135   // find the area of the window
 136   XWindowAttributes attr;
 137   if (!XGetWindowAttributes(**otk::display, e.window, &attr)) return;
 138
 139   // if not on the window any more, it isnt a CLICK
 140   if (!(e.same_screen && e.x >= 0 && e.y >= 0 &&
 141         e.x < attr.width && e.y < attr.height))
 142     return;
 143
 144   // run the CLICK python hook
 145   data.action = MouseAction::Click;
 146   openbox->bindings()->fireButton(&data);
 147
 148   long dblclick = openbox->screen(screen)->config().double_click_delay;
 149   if (e.time - _release.time < (unsigned)dblclick &&
 150       _release.win == e.window && _release.button == e.button) {
 151
 152     // run the DOUBLECLICK python hook
 153     data.action = MouseAction::DoubleClick;
 154     openbox->bindings()->fireButton(&data);
 155
 156     // reset so you cant triple click for 2 doubleclicks
 157     _release.win = 0;
 158     _release.button = 0;
 159     _release.time = 0;
 160   } else {
 161     // save the button release, might be part of a double click
 162     _release.win = e.window;
 163     _release.button = e.button;
 164     _release.time = e.time;
 165   }
 166 }
 167
 168
 169 void Actions::enterHandler(const XCrossingEvent &e)
 170 {
 171   otk::EventHandler::enterHandler(e);
 172
 173   // run the ENTER python hook
 174   int screen;
 175   Client *c = openbox->findClient(e.window);
 176   if (c)
 177     screen = c->screen();
 178   else
 179     screen = otk::display->findScreen(e.root)->screen();
 180   EventData data(screen, c, EventAction::EnterWindow, e.state);
 181   openbox->bindings()->fireEvent(&data);
 182 }
 183
 184
 185 void Actions::leaveHandler(const XCrossingEvent &e)
 186 {
 187   otk::EventHandler::leaveHandler(e);
 188
 189   // run the LEAVE python hook
 190   int screen;
 191   Client *c = openbox->findClient(e.window);
 192   if (c)
 193     screen = c->screen();
 194   else
 195     screen = otk::display->findScreen(e.root)->screen();
 196   EventData data(screen, c, EventAction::LeaveWindow, e.state);
 197   openbox->bindings()->fireEvent(&data);
 198 }
 199
 200
 201 void Actions::keyPressHandler(const XKeyEvent &e)
 202 {
 203   otk::EventHandler::keyPressHandler(e);
 204
 205   // kill off the Button1Mask etc, only want the modifiers
 206   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 207                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 208
 209   // add to the state the mask of the modifier being pressed, if it is
 210   // a modifier key being pressed (this is a little ugly..)
 211   const XModifierKeymap *map = otk::display->modifierMap();
 212   const int mask_table[] = {
 213     ShiftMask, LockMask, ControlMask, Mod1Mask,
 214     Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
 215   };
 216   KeyCode *kp = map->modifiermap;
 217   for (int i = 0, n = sizeof(mask_table)/sizeof(mask_table[0]); i < n; ++i) {
 218     for (int k = 0; k < map->max_keypermod; ++k) {
 219       if (*kp == e.keycode) { // found the keycode
 220         state |= mask_table[i]; // add the mask for it
 221         i = n; // cause the first loop to break;
 222         break; // get outta here!
 223       }
 224       ++kp;
 225     }
 226   }
 227
 228   openbox->bindings()->
 229     fireKey(otk::display->findScreen(e.root)->screen(),
 230             state, e.keycode, e.time, KeyAction::Press);
 231 }
 232
 233
 234 void Actions::keyReleaseHandler(const XKeyEvent &e)
 235 {
 236   otk::EventHandler::keyReleaseHandler(e);
 237
 238   // kill off the Button1Mask etc, only want the modifiers
 239   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 240                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 241
 242   // remove from the state the mask of the modifier being released, if it is
 243   // a modifier key being released (this is a little ugly..)
 244   const XModifierKeymap *map = otk::display->modifierMap();
 245   const int mask_table[] = {
 246     ShiftMask, LockMask, ControlMask, Mod1Mask,
 247     Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
 248   };
 249   KeyCode *kp = map->modifiermap;
 250   for (int i = 0, n = sizeof(mask_table)/sizeof(mask_table[0]); i < n; ++i) {
 251     for (int k = 0; k < map->max_keypermod; ++k) {
 252       if (*kp == e.keycode) { // found the keycode
 253         state &= ~mask_table[i]; // remove the mask for it
 254         i = n; // cause the first loop to break;
 255         break; // get outta here!
 256       }
 257       ++kp;
 258     }
 259   }
 260
 261   openbox->bindings()->
 262     fireKey(otk::display->findScreen(e.root)->screen(),
 263             state, e.keycode, e.time, KeyAction::Release);
 264 }
 265
 266
 267 void Actions::motionHandler(const XMotionEvent &e)
 268 {
 269   otk::EventHandler::motionHandler(e);
 270
 271   if (!e.same_screen) return; // this just gets stupid
 272
 273   if (e.window != _press.win) return;
 274
 275   MouseContext::MC context;
 276   EventHandler *h = openbox->findHandler(e.window);
 277   Frame *f = dynamic_cast<Frame*>(h);
 278   if (f)
 279     context= f->mouseContext(e.window);
 280   else if (dynamic_cast<Client*>(h))
 281     context = MouseContext::Window;
 282   else if (dynamic_cast<Screen*>(h))
 283     context = MouseContext::Root;
 284   else
 285     return; // not a valid mouse context
 286
 287   int x_root = e.x_root, y_root = e.y_root;
 288
 289   // compress changes to a window into a single change
 290   XEvent ce;
 291   while (XCheckTypedWindowEvent(**otk::display, e.window, e.type, &ce)) {
 292     x_root = e.x_root;
 293     y_root = e.y_root;
 294   }
 295
 296   int screen;
 297   Client *c = openbox->findClient(e.window);
 298   if (c)
 299     screen = c->screen();
 300   else
 301     screen = otk::display->findScreen(e.root)->screen();
 302
 303   if (!_dragging) {
 304     int dx = x_root - _press.pos.x();
 305     int dy = y_root - _press.pos.y();
 306     long threshold = openbox->screen(screen)->config().drag_threshold;
 307     if (!(std::abs(dx) >= threshold || std::abs(dy) >= threshold))
 308       return; // not at the threshold yet
 309   }
 310   _dragging = true; // in a drag now
 311
 312   // check if the movement is more than the threshold
 313
 314   // run the MOTION python hook
 315   // kill off the Button1Mask etc, only want the modifiers
 316   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 317                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 318   unsigned int button = _press.button;
 319   MouseData data(screen, c, e.time, state, button, context,
 320                  MouseAction::Motion, x_root, y_root,
 321                  _press.pos, _press.clientarea);
 322   openbox->bindings()->fireButton(&data);
 323 }
 324
 325 #ifdef    XKB
 326 void Actions::xkbHandler(const XkbEvent &e)
 327 {
 328   Window w;
 329   int screen;
 330
 331   otk::EventHandler::xkbHandler(e);
 332
 333   switch (((XkbAnyEvent*)&e)->xkb_type) {
 334   case XkbBellNotify:
 335     w = ((XkbBellNotifyEvent*)&e)->window;
 336     Client *c = openbox->findClient(w);
 337     if (c)
 338       screen = c->screen();
 339     else
 340       screen = openbox->focusedScreen()->number();
 341     EventData data(screen, c, EventAction::Bell, 0);
 342     openbox->bindings()->fireEvent(&data);
 343     break;
 344   }
 345 }
 346 #endif // XKB
 347
 348 }
 349