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   // run the RELEASE python hook
 121   // kill off the Button1Mask etc, only want the modifiers
 122   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 123                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 124   int screen;
 125   Client *c = openbox->findClient(e.window);
 126   if (c)
 127     screen = c->screen();
 128   else
 129     screen = otk::display->findScreen(e.root)->screen();
 130   MouseData data(screen, c, e.time, state, e.button, w->mcontext(),
 131                  MouseAction::Release);
 132   openbox->bindings()->fireButton(&data);
 133
 134   // not for the button we're watching?
 135   if (_button != e.button) return;
 136
 137   _button = 0;
 138   _dragging = false;
 139
 140   // find the area of the window
 141   XWindowAttributes attr;
 142   if (!XGetWindowAttributes(**otk::display, e.window, &attr)) return;
 143
 144   // if not on the window any more, it isnt a CLICK
 145   if (!(e.same_screen && e.x >= 0 && e.y >= 0 &&
 146         e.x < attr.width && e.y < attr.height))
 147     return;
 148
 149   // run the CLICK python hook
 150   data.action = MouseAction::Click;
 151   openbox->bindings()->fireButton(&data);
 152
 153
 154   // XXX: dont load this every time!!@*
 155   long dblclick;
 156   if (!python_get_long("double_click_delay", &dblclick))
 157     dblclick = 300;
 158
 159   if (e.time - _release.time < (unsigned)dblclick &&
 160       _release.win == e.window && _release.button == e.button) {
 161
 162     // run the DOUBLECLICK python hook
 163     data.action = MouseAction::DoubleClick;
 164     openbox->bindings()->fireButton(&data);
 165
 166     // reset so you cant triple click for 2 doubleclicks
 167     _release.win = 0;
 168     _release.button = 0;
 169     _release.time = 0;
 170   } else {
 171     // save the button release, might be part of a double click
 172     _release.win = e.window;
 173     _release.button = e.button;
 174     _release.time = e.time;
 175   }
 176 }
 177
 178
 179 void Actions::enterHandler(const XCrossingEvent &e)
 180 {
 181   otk::EventHandler::enterHandler(e);
 182
 183   // run the ENTER python hook
 184   int screen;
 185   Client *c = openbox->findClient(e.window);
 186   if (c)
 187     screen = c->screen();
 188   else
 189     screen = otk::display->findScreen(e.root)->screen();
 190   EventData data(screen, c, EventAction::EnterWindow, e.state);
 191   openbox->bindings()->fireEvent(&data);
 192 }
 193
 194
 195 void Actions::leaveHandler(const XCrossingEvent &e)
 196 {
 197   otk::EventHandler::leaveHandler(e);
 198
 199   // run the LEAVE 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::LeaveWindow, e.state);
 207   openbox->bindings()->fireEvent(&data);
 208 }
 209
 210
 211 void Actions::keyPressHandler(const XKeyEvent &e)
 212 {
 213   otk::EventHandler::keyPressHandler(e);
 214
 215   // kill off the Button1Mask etc, only want the modifiers
 216   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 217                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 218   openbox->bindings()->
 219     fireKey(otk::display->findScreen(e.root)->screen(),
 220             state, e.keycode, e.time, KeyAction::Press);
 221 }
 222
 223
 224 void Actions::keyReleaseHandler(const XKeyEvent &e)
 225 {
 226   otk::EventHandler::keyReleaseHandler(e);
 227
 228   // kill off the Button1Mask etc, only want the modifiers
 229   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 230                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 231
 232   // remove from the state the mask of the modifier being released, if it is
 233   // a modifier key being released (XXX this is a little ugly..)
 234   const XModifierKeymap *map = otk::display->modifierMap();
 235   const int mask_table[] = {
 236     ShiftMask, LockMask, ControlMask, Mod1Mask,
 237     Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
 238   };
 239   KeyCode *kp = map->modifiermap;
 240   for (int i = 0, n = sizeof(mask_table)/sizeof(mask_table[0]); i < n; ++i) {
 241     for (int k = 0; k < map->max_keypermod; ++k) {
 242       if (*kp == e.keycode) { // found the keycode
 243         state &= ~mask_table[i]; // remove the mask for it
 244         i = n; // cause the first loop to break;
 245         break; // get outta here!
 246       }
 247       ++kp;
 248     }
 249   }
 250
 251   openbox->bindings()->
 252     fireKey(otk::display->findScreen(e.root)->screen(),
 253             state, e.keycode, e.time, KeyAction::Release);
 254 }
 255
 256
 257 void Actions::motionHandler(const XMotionEvent &e)
 258 {
 259   otk::EventHandler::motionHandler(e);
 260
 261   if (!e.same_screen) return; // this just gets stupid
 262
 263   int x_root = e.x_root, y_root = e.y_root;
 264
 265   // compress changes to a window into a single change
 266   XEvent ce;
 267   while (XCheckTypedEvent(**otk::display, e.type, &ce)) {
 268     if (ce.xmotion.window != e.window) {
 269       XPutBackEvent(**otk::display, &ce);
 270       break;
 271     } else {
 272       x_root = e.x_root;
 273       y_root = e.y_root;
 274     }
 275   }
 276
 277   WidgetBase *w = dynamic_cast<WidgetBase*>
 278     (openbox->findHandler(e.window));
 279   if (!w) return;
 280
 281   if (!_dragging) {
 282     long threshold;
 283     int dx = x_root - _posqueue[0]->pos.x();
 284     int dy = y_root - _posqueue[0]->pos.y();
 285     // XXX: dont get this from python every time!
 286     if (!python_get_long("drag_threshold", &threshold))
 287       threshold = 0;
 288     if (!(std::abs(dx) >= threshold || std::abs(dy) >= threshold))
 289       return; // not at the threshold yet
 290   }
 291   _dragging = true; // in a drag now
 292
 293   // check if the movement is more than the threshold
 294
 295   // run the MOTION python hook
 296   // kill off the Button1Mask etc, only want the modifiers
 297   unsigned int state = e.state & (ControlMask | ShiftMask | Mod1Mask |
 298                                   Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
 299   unsigned int button = _posqueue[0]->button;
 300   int screen;
 301   Client *c = openbox->findClient(e.window);
 302   if (c)
 303     screen = c->screen();
 304   else
 305     screen = otk::display->findScreen(e.root)->screen();
 306   MouseData data(screen, c, e.time, state, button, w->mcontext(),
 307                  MouseAction::Motion, x_root, y_root,
 308                  _posqueue[0]->pos, _posqueue[0]->clientarea);
 309   openbox->bindings()->fireButton(&data);
 310 }
 311
 312 #ifdef    XKB
 313 void Actions::xkbHandler(const XkbEvent &e)
 314 {
 315   Window w;
 316   int screen;
 317
 318   otk::EventHandler::xkbHandler(e);
 319
 320   switch (((XkbAnyEvent*)&e)->xkb_type) {
 321   case XkbBellNotify:
 322     w = ((XkbBellNotifyEvent*)&e)->window;
 323     Client *c = openbox->findClient(w);
 324     if (c)
 325       screen = c->screen();
 326     else
 327       screen = openbox->focusedScreen()->number();
 328     EventData data(screen, c, EventAction::Bell, 0);
 329     openbox->bindings()->fireEvent(&data);
 330     break;
 331   }
 332 }
 333 #endif // XKB
 334
 335 }
 336