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

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2
   3 #ifdef HAVE_CONFIG_H
   4 # include "../config.h"
   5 #endif
   6
   7 #include "actions.hh"
   8 #include "openbox.hh"
   9 #include "client.hh"
  10 #include "frame.hh"
  11 #include "screen.hh"
  12 #include "python.hh"
  13 #include "bindings.hh"
  14 #include "otk/display.hh"
  15
  16 #include <stdio.h>
  17 #include <algorithm>
  18
  19 namespace ob {
  20
  21 const int Actions::BUTTONS;
  22
  23 Actions::Actions()
  24   : _button(0),
  25     _dragging(false)
  26 {
  27   for (int i=0; i<BUTTONS; ++i)
  28     _posqueue[i] = new ButtonPressAction();
  29 }
  30
  31
  32 Actions::~Actions()
  33 {
  34   for (int i=0; i<BUTTONS; ++i)
  35     delete _posqueue[i];
  36 }
  37
  38
  39 void Actions::insertPress(const XButtonEvent &e)
  40 {
  41   ButtonPressAction *a = _posqueue[BUTTONS - 1];
  42   // rm'd the last one, shift them all down one
  43   for (int i = BUTTONS-1; i > 0; --i) {
  44     _posqueue[i] = _posqueue[i-1];
  45   }
  46   _posqueue[0] = a;
  47   a->button = e.button;
  48   a->pos = otk::Point(e.x_root, e.y_root);
  49
  50   Client *c = openbox->findClient(e.window);
  51   if (c) a->clientarea = c->area();
  52 }
  53
  54 void Actions::removePress(const XButtonEvent &e)
  55 {
  56   int i;
  57   ButtonPressAction *a = 0;
  58   for (i=0; i<BUTTONS-1; ++i)
  59     if (_posqueue[i]->button == e.button) {
  60       a = _posqueue[i];
  61       break;
  62     }
  63   if (a) { // found one, remove it and shift the rest up one
  64     for (; i < BUTTONS-1; ++i)
  65       _posqueue[i] = _posqueue[i+1];
  66     _posqueue[BUTTONS-1] = a;
  67   }
  68   _posqueue[BUTTONS-1]->button = 0;
  69 }
  70
  71 void Actions::buttonPressHandler(const XButtonEvent &e)
  72 {
  73   otk::EventHandler::buttonPressHandler(e);
  74   insertPress(e);
  75
  76   MouseContext::MC context;
  77   EventHandler *h = openbox->findHandler(e.window);
  78   Frame *f = dynamic_cast<Frame*>(h);
  79   if (f)
  80     context= f->mouseContext(e.window);
  81   else if (dynamic_cast<Client*>(h))
  82     context = MouseContext::Window;
  83   else if (dynamic_cast<Screen*>(h))
  84     context = MouseContext::Root;
  85   else
  86     return; // not a valid mouse context
  87
  88   // run the PRESS python hook
  89   // kill off the Button1Mask etc, only want the modifiers
  90   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
  91                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
  92   int screen;
  93   Client *c = openbox->findClient(e.window);
  94   if (c)
  95     screen = c->screen();
  96   else
  97     screen = otk::display->findScreen(e.root)->screen();
  98   MouseData data(screen, c, e.time, state, e.button, context,
  99                  MouseAction::Press);
 100   openbox->bindings()->fireButton(&data);
 101
 102   if (_button) return; // won't count toward CLICK events
 103
 104   _button = e.button;
 105
 106   if (context == MouseContext::Window) {
 107     /*
 108       Because of how events are grabbed on the client window, we can't get
 109       ButtonRelease events, so instead we simply manufacture them here, so that
 110       clicks/doubleclicks etc still work.
 111     */
 112     //XButtonEvent ev = e;
 113     //ev.type = ButtonRelease;
 114     buttonReleaseHandler(e);
 115   }
 116 }
 117
 118
 119 void Actions::buttonReleaseHandler(const XButtonEvent &e)
 120 {
 121   otk::EventHandler::buttonReleaseHandler(e);
 122   removePress(e);
 123
 124   MouseContext::MC context;
 125   EventHandler *h = openbox->findHandler(e.window);
 126   Frame *f = dynamic_cast<Frame*>(h);
 127   if (f)
 128     context= f->mouseContext(e.window);
 129   else if (dynamic_cast<Client*>(h))
 130     context = MouseContext::Window;
 131   else if (dynamic_cast<Screen*>(h))
 132     context = MouseContext::Root;
 133   else
 134     return; // not a valid mouse context
 135
 136   // run the RELEASE python hook
 137   // kill off the Button1Mask etc, only want the modifiers
 138   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 139                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 140   int screen;
 141   Client *c = openbox->findClient(e.window);
 142   if (c)
 143     screen = c->screen();
 144   else
 145     screen = otk::display->findScreen(e.root)->screen();
 146   MouseData data(screen, c, e.time, state, e.button, context,
 147                  MouseAction::Release);
 148   openbox->bindings()->fireButton(&data);
 149
 150   // not for the button we're watching?
 151   if (_button != e.button) return;
 152
 153   _button = 0;
 154   _dragging = false;
 155
 156   // find the area of the window
 157   XWindowAttributes attr;
 158   if (!XGetWindowAttributes(**otk::display, e.window, &attr)) return;
 159
 160   // if not on the window any more, it isnt a CLICK
 161   if (!(e.same_screen && e.x >= 0 && e.y >= 0 &&
 162         e.x < attr.width && e.y < attr.height))
 163     return;
 164
 165   // run the CLICK python hook
 166   data.action = MouseAction::Click;
 167   openbox->bindings()->fireButton(&data);
 168
 169
 170   // XXX: dont load this every time!!@*
 171   long dblclick;
 172   if (!python_get_long("DOUBLE_CLICK_DELAY", &dblclick))
 173     dblclick = 300;
 174
 175   if (e.time - _release.time < (unsigned)dblclick &&
 176       _release.win == e.window && _release.button == e.button) {
 177
 178     // run the DOUBLECLICK python hook
 179     data.action = MouseAction::DoubleClick;
 180     openbox->bindings()->fireButton(&data);
 181
 182     // reset so you cant triple click for 2 doubleclicks
 183     _release.win = 0;
 184     _release.button = 0;
 185     _release.time = 0;
 186   } else {
 187     // save the button release, might be part of a double click
 188     _release.win = e.window;
 189     _release.button = e.button;
 190     _release.time = e.time;
 191   }
 192 }
 193
 194
 195 void Actions::enterHandler(const XCrossingEvent &e)
 196 {
 197   otk::EventHandler::enterHandler(e);
 198
 199   // run the ENTER python hook
 200   int screen;
 201   Client *c = openbox->findClient(e.window);
 202   if (c)
 203     screen = c->screen();
 204   else
 205     screen = otk::display->findScreen(e.root)->screen();
 206   EventData data(screen, c, EventAction::EnterWindow, e.state);
 207   openbox->bindings()->fireEvent(&data);
 208 }
 209
 210
 211 void Actions::leaveHandler(const XCrossingEvent &e)
 212 {
 213   otk::EventHandler::leaveHandler(e);
 214
 215   // run the LEAVE python hook
 216   int screen;
 217   Client *c = openbox->findClient(e.window);
 218   if (c)
 219     screen = c->screen();
 220   else
 221     screen = otk::display->findScreen(e.root)->screen();
 222   EventData data(screen, c, EventAction::LeaveWindow, e.state);
 223   openbox->bindings()->fireEvent(&data);
 224 }
 225
 226
 227 void Actions::keyPressHandler(const XKeyEvent &e)
 228 {
 229   otk::EventHandler::keyPressHandler(e);
 230
 231   // kill off the Button1Mask etc, only want the modifiers
 232   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 233                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 234   openbox->bindings()->
 235     fireKey(otk::display->findScreen(e.root)->screen(),
 236             state, e.keycode, e.time, KeyAction::Press);
 237 }
 238
 239
 240 void Actions::keyReleaseHandler(const XKeyEvent &e)
 241 {
 242   otk::EventHandler::keyReleaseHandler(e);
 243
 244   // kill off the Button1Mask etc, only want the modifiers
 245   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 246                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 247
 248   // remove from the state the mask of the modifier being released, if it is
 249   // a modifier key being released (this is a little ugly..)
 250   const XModifierKeymap *map = otk::display->modifierMap();
 251   const int mask_table[] = {
 252     ShiftMask, LockMask, ControlMask, Mod1Mask,
 253     Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
 254   };
 255   KeyCode *kp = map->modifiermap;
 256   for (int i = 0, n = sizeof(mask_table)/sizeof(mask_table[0]); i < n; ++i) {
 257     for (int k = 0; k < map->max_keypermod; ++k) {
 258       if (*kp == e.keycode) { // found the keycode
 259         state &= ~mask_table[i]; // remove the mask for it
 260         i = n; // cause the first loop to break;
 261         break; // get outta here!
 262       }
 263       ++kp;
 264     }
 265   }
 266
 267   openbox->bindings()->
 268     fireKey(otk::display->findScreen(e.root)->screen(),
 269             state, e.keycode, e.time, KeyAction::Release);
 270 }
 271
 272
 273 void Actions::motionHandler(const XMotionEvent &e)
 274 {
 275   otk::EventHandler::motionHandler(e);
 276
 277   if (!e.same_screen) return; // this just gets stupid
 278
 279   MouseContext::MC context;
 280   EventHandler *h = openbox->findHandler(e.window);
 281   Frame *f = dynamic_cast<Frame*>(h);
 282   if (f)
 283     context= f->mouseContext(e.window);
 284   else if (dynamic_cast<Client*>(h))
 285     context = MouseContext::Window;
 286   else if (dynamic_cast<Screen*>(h))
 287     context = MouseContext::Root;
 288   else
 289     return; // not a valid mouse context
 290
 291   int x_root = e.x_root, y_root = e.y_root;
 292
 293   // compress changes to a window into a single change
 294   XEvent ce;
 295   while (XCheckTypedWindowEvent(**otk::display, e.window, e.type, &ce)) {
 296     x_root = e.x_root;
 297     y_root = e.y_root;
 298   }
 299
 300   if (!_dragging) {
 301     long threshold;
 302     int dx = x_root - _posqueue[0]->pos.x();
 303     int dy = y_root - _posqueue[0]->pos.y();
 304     // XXX: dont get this from python every time!
 305     if (!python_get_long("DRAG_THRESHOLD", &threshold))
 306       threshold = 0;
 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 = _posqueue[0]->button;
 319   int screen;
 320   Client *c = openbox->findClient(e.window);
 321   if (c)
 322     screen = c->screen();
 323   else
 324     screen = otk::display->findScreen(e.root)->screen();
 325   MouseData data(screen, c, e.time, state, button, context,
 326                  MouseAction::Motion, x_root, y_root,
 327                  _posqueue[0]->pos, _posqueue[0]->clientarea);
 328   openbox->bindings()->fireButton(&data);
 329 }
 330
 331 #ifdef    XKB
 332 void Actions::xkbHandler(const XkbEvent &e)
 333 {
 334   Window w;
 335   int screen;
 336
 337   otk::EventHandler::xkbHandler(e);
 338
 339   switch (((XkbAnyEvent*)&e)->xkb_type) {
 340   case XkbBellNotify:
 341     w = ((XkbBellNotifyEvent*)&e)->window;
 342     Client *c = openbox->findClient(w);
 343     if (c)
 344       screen = c->screen();
 345     else
 346       screen = openbox->focusedScreen()->number();
 347     EventData data(screen, c, EventAction::Bell, 0);
 348     openbox->bindings()->fireEvent(&data);
 349     break;
 350   }
 351 }
 352 #endif // XKB
 353
 354 }
 355