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 "widgetbase.hh"
   9 #include "openbox.hh"
  10 #include "client.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.setPoint(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   // run the PRESS python hook
  77   WidgetBase *w = dynamic_cast<WidgetBase*>
  78     (openbox->findHandler(e.window));
  79   if (!w) return;
  80
  81   // kill off the Button1Mask etc, only want the modifiers
  82   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
  83                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
  84   int screen;
  85   Client *c = openbox->findClient(e.window);
  86   if (c)
  87     screen = c->screen();
  88   else
  89     screen = otk::display->findScreen(e.root)->screen();
  90   MouseData data(screen, c, e.time, state, e.button, w->mcontext(),
  91                  MouseAction::Press);
  92   openbox->bindings()->fireButton(&data);
  93
  94   if (_button) return; // won't count toward CLICK events
  95
  96   _button = e.button;
  97
  98   if (w->mcontext() == MouseContext::Window) {
  99     /*
 100       Because of how events are grabbed on the client window, we can't get
 101       ButtonRelease events, so instead we simply manufacture them here, so that
 102       clicks/doubleclicks etc still work.
 103     */
 104     //XButtonEvent ev = e;
 105     //ev.type = ButtonRelease;
 106     buttonReleaseHandler(e);
 107   }
 108 }
 109
 110
 111 void Actions::buttonReleaseHandler(const XButtonEvent &e)
 112 {
 113   otk::EventHandler::buttonReleaseHandler(e);
 114   removePress(e);
 115
 116   WidgetBase *w = dynamic_cast<WidgetBase*>
 117     (openbox->findHandler(e.window));
 118   if (!w) return;
 119
 120   // not for the button we're watching?
 121   if (_button != e.button) return;
 122
 123   _button = 0;
 124   _dragging = false;
 125
 126   // find the area of the window
 127   XWindowAttributes attr;
 128   if (!XGetWindowAttributes(**otk::display, e.window, &attr)) return;
 129
 130   // if not on the window any more, it isnt a CLICK
 131   if (!(e.same_screen && e.x >= 0 && e.y >= 0 &&
 132         e.x < attr.width && e.y < attr.height))
 133     return;
 134
 135   // run the CLICK 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, w->mcontext(),
 146                  MouseAction::Click);
 147   openbox->bindings()->fireButton(&data);
 148
 149
 150   // XXX: dont load this every time!!@*
 151   long dblclick;
 152   if (!python_get_long("double_click_delay", &dblclick))
 153     dblclick = 300;
 154
 155   if (e.time - _release.time < (unsigned)dblclick &&
 156       _release.win == e.window && _release.button == e.button) {
 157
 158     // run the DOUBLECLICK python hook
 159     data.action = MouseAction::DoubleClick;
 160     openbox->bindings()->fireButton(&data);
 161
 162     // reset so you cant triple click for 2 doubleclicks
 163     _release.win = 0;
 164     _release.button = 0;
 165     _release.time = 0;
 166   } else {
 167     // save the button release, might be part of a double click
 168     _release.win = e.window;
 169     _release.button = e.button;
 170     _release.time = e.time;
 171   }
 172 }
 173
 174
 175 void Actions::enterHandler(const XCrossingEvent &e)
 176 {
 177   otk::EventHandler::enterHandler(e);
 178
 179   // run the ENTER python hook
 180   int screen;
 181   Client *c = openbox->findClient(e.window);
 182   if (c)
 183     screen = c->screen();
 184   else
 185     screen = otk::display->findScreen(e.root)->screen();
 186   EventData data(screen, c, EventAction::EnterWindow, e.state);
 187   openbox->bindings()->fireEvent(&data);
 188 }
 189
 190
 191 void Actions::leaveHandler(const XCrossingEvent &e)
 192 {
 193   otk::EventHandler::leaveHandler(e);
 194
 195   // run the LEAVE 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::LeaveWindow, e.state);
 203   openbox->bindings()->fireEvent(&data);
 204 }
 205
 206
 207 void Actions::keyPressHandler(const XKeyEvent &e)
 208 {
 209   otk::EventHandler::keyPressHandler(e);
 210
 211   // kill off the Button1Mask etc, only want the modifiers
 212   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 213                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 214   openbox->bindings()->
 215     fireKey(otk::display->findScreen(e.root)->screen(),
 216             state, e.keycode, e.time, KeyAction::Press);
 217 }
 218
 219
 220 void Actions::keyReleaseHandler(const XKeyEvent &e)
 221 {
 222   otk::EventHandler::keyReleaseHandler(e);
 223
 224   // kill off the Button1Mask etc, only want the modifiers
 225   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 226                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 227
 228   // remove from the state the mask of the modifier being released, if it is
 229   // a modifier key being released (XXX this is a little ugly..)
 230   const XModifierKeymap *map = otk::display->modifierMap();
 231   const int mask_table[] = {
 232     ShiftMask, LockMask, ControlMask, Mod1Mask,
 233     Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
 234   };
 235   KeyCode *kp = map->modifiermap;
 236   for (int i = 0, n = sizeof(mask_table)/sizeof(mask_table[0]); i < n; ++i) {
 237     for (int k = 0; k < map->max_keypermod; ++k) {
 238       if (*kp == e.keycode) { // found the keycode
 239         state &= ~mask_table[i]; // remove the mask for it
 240         i = n; // cause the first loop to break;
 241         break; // get outta here!
 242       }
 243       ++kp;
 244     }
 245   }
 246
 247   openbox->bindings()->
 248     fireKey(otk::display->findScreen(e.root)->screen(),
 249             state, e.keycode, e.time, KeyAction::Release);
 250 }
 251
 252
 253 void Actions::motionHandler(const XMotionEvent &e)
 254 {
 255   otk::EventHandler::motionHandler(e);
 256
 257   if (!e.same_screen) return; // this just gets stupid
 258
 259   int x_root = e.x_root, y_root = e.y_root;
 260
 261   // compress changes to a window into a single change
 262   XEvent ce;
 263   while (XCheckTypedEvent(**otk::display, e.type, &ce)) {
 264     if (ce.xmotion.window != e.window) {
 265       XPutBackEvent(**otk::display, &ce);
 266       break;
 267     } else {
 268       x_root = e.x_root;
 269       y_root = e.y_root;
 270     }
 271   }
 272
 273   WidgetBase *w = dynamic_cast<WidgetBase*>
 274     (openbox->findHandler(e.window));
 275   if (!w) return;
 276
 277   if (!_dragging) {
 278     long threshold;
 279     int dx = x_root - _posqueue[0]->pos.x();
 280     int dy = y_root - _posqueue[0]->pos.y();
 281     // XXX: dont get this from python every time!
 282     if (!python_get_long("drag_threshold", &threshold))
 283       threshold = 0;
 284     if (!(std::abs(dx) >= threshold || std::abs(dy) >= threshold))
 285       return; // not at the threshold yet
 286   }
 287   _dragging = true; // in a drag now
 288
 289   // check if the movement is more than the threshold
 290
 291   // run the MOTION python hook
 292   // kill off the Button1Mask etc, only want the modifiers
 293   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 294                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 295   unsigned int button = _posqueue[0]->button;
 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   MouseData data(screen, c, e.time, state, button, w->mcontext(),
 303                  MouseAction::Motion, x_root, y_root,
 304                  _posqueue[0]->pos, _posqueue[0]->clientarea);
 305   openbox->bindings()->fireButton(&data);
 306 }
 307
 308 #ifdef    XKB
 309 void Actions::xkbHandler(const XkbEvent &e)
 310 {
 311   Window w;
 312   int screen;
 313
 314   otk::EventHandler::xkbHandler(e);
 315
 316   switch (((XkbAnyEvent*)&e)->xkb_type) {
 317   case XkbBellNotify:
 318     w = ((XkbBellNotifyEvent*)&e)->window;
 319     Client *c = openbox->findClient(w);
 320     if (c)
 321       screen = c->screen();
 322     else
 323       screen = openbox->focusedScreen()->number();
 324     EventData data(screen, c, EventAction::Bell, 0);
 325     openbox->bindings()->fireEvent(&data);
 326     break;
 327   }
 328 }
 329 #endif // XKB
 330
 331 }
 332