+// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
+
+#include "config.h"
+
#include "eventdispatcher.hh"
#include "display.hh"
+
+#include <cstdio>
#include <iostream>
namespace otk {
-OtkEventDispatcher::OtkEventDispatcher()
- : _fallback(0)
+EventDispatcher::EventDispatcher()
+ : _fallback(0), _master(0)
{
}
-OtkEventDispatcher::~OtkEventDispatcher()
+EventDispatcher::~EventDispatcher()
{
}
-void OtkEventDispatcher::clearAllHandlers(void)
+void EventDispatcher::clearAllHandlers(void)
{
_map.clear();
}
-void OtkEventDispatcher::registerHandler(Window id, OtkEventHandler *handler)
+void EventDispatcher::registerHandler(Window id, EventHandler *handler)
{
- _map.insert(std::pair<Window, OtkEventHandler*>(id, handler));
+ _map.insert(std::pair<Window, EventHandler*>(id, handler));
}
-void OtkEventDispatcher::clearHandler(Window id)
+void EventDispatcher::clearHandler(Window id)
{
_map.erase(id);
}
-void OtkEventDispatcher::dispatchEvents(void)
+void EventDispatcher::dispatchEvents(bool remote)
{
XEvent e;
- OtkEventHandler *handler;
- OtkEventMap::iterator it;
- while (XPending(OBDisplay::display)) {
- XNextEvent(OBDisplay::display, &e);
- it = _map.find(e.xany.window);
+ while (true) {
+ /*
+ There are slightly different event retrieval semantics here for local (or
+ high bandwidth) versus remote (or low bandwidth) connections to the
+ display/Xserver.
+ */
+ if (remote) {
+ if (!XPending(**display))
+ return;
+ } else {
+ /*
+ This XSync allows for far more compression of events, which makes
+ things like Motion events perform far far better. Since it also means
+ network traffic for every event instead of every X events (where X is
+ the number retrieved at a time), it probably should not be used for
+ setups where Openbox is running on a remote/low bandwidth
+ display/Xserver.
+ */
+ XSync(**display, false);
+ if (!XEventsQueued(**display, QueuedAlready))
+ return;
+ }
+ XNextEvent(**display, &e);
+
+#if 0//defined(DEBUG)
+ printf("Event %d window %lx\n", e.type, e.xany.window);
+#endif
+
+ if (e.type == FocusIn || e.type == FocusOut) {
+ // focus events are a beast all their own.. yuk, hate, etc.
+ dispatchFocus(e);
+ } else {
+ Window win;
+
+ // pick a window
+ switch (e.type) {
+ case UnmapNotify:
+ win = e.xunmap.window;
+ break;
+ case DestroyNotify:
+ win = e.xdestroywindow.window;
+ break;
+ case ConfigureRequest:
+ win = e.xconfigurerequest.window;
+ break;
+ default:
+ win = e.xany.window;
+ }
+
+ // grab the lasttime and hack up the modifiers
+ switch (e.type) {
+ case ButtonPress:
+ case ButtonRelease:
+ _lasttime = e.xbutton.time;
+ e.xbutton.state &= ~(LockMask | display->numLockMask() |
+ display->scrollLockMask());
+ break;
+ case KeyPress:
+ e.xkey.state &= ~(LockMask | display->numLockMask() |
+ display->scrollLockMask());
+ break;
+ case MotionNotify:
+ _lasttime = e.xmotion.time;
+ e.xmotion.state &= ~(LockMask | display->numLockMask() |
+ display->scrollLockMask());
+ break;
+ case PropertyNotify:
+ _lasttime = e.xproperty.time;
+ break;
+ case EnterNotify:
+ case LeaveNotify:
+ _lasttime = e.xcrossing.time;
+ if (e.xcrossing.mode != NotifyNormal)
+ continue; // skip me!
+ break;
+ }
+
+ dispatch(win, e);
+ }
+ }
+}
+
+void EventDispatcher::dispatchFocus(const XEvent &e)
+{
+// printf("focus %s detail %d -> 0x%lx\n",
+// (e.xfocus.type == FocusIn ? "IN" : "OUT"),
+// e.xfocus.detail, e.xfocus.window);
+ // ignore focus changes from grabs
+ if (e.xfocus.mode == NotifyGrab) //|| e.xfocus.mode == NotifyUngrab ||
+ // From Metacity, from WindowMaker, ignore all funky pointer root events
+ // its commented out cuz I don't think we need this at all. If problems
+ // arise we can look into it
+ //e.xfocus.detail > NotifyNonlinearVirtual)
+ return;
+
+ if (e.type == FocusIn) {
+ //printf("Got FocusIn!\n");
+
+ // send a FocusIn to whatever was just focused
+ dispatch(e.xfocus.window, e);
+ //printf("Sent FocusIn 0x%lx\n", e.xfocus.window);
- if (it == _map.end())
- handler = _fallback;
- else
- handler = it->second;
+ } else if (e.type == FocusOut) {
+ //printf("Got FocusOut!\n");
- if (handler)
- handler->handle(e);
+ // FocusOut events just make us look for FocusIn events. They are ignored
+ // otherwise.
+ XEvent fi;
+ if (XCheckTypedEvent(**display, FocusIn, &fi)) {
+ //printf("Found FocusIn\n");
+ dispatchFocus(fi);
+ // dont unfocus the window we just focused!
+ if (fi.xfocus.window == e.xfocus.window)
+ return;
+ }
+
+ dispatch(e.xfocus.window, e);
+ //printf("Sent FocusOut 0x%lx\n", e.xfocus.window);
+ }
+}
+
+void EventDispatcher::dispatch(Window win, const XEvent &e)
+{
+ EventHandler *handler = 0;
+ EventMap::iterator it;
+
+ // master gets everything first
+ if (_master)
+ _master->handle(e);
+
+ // find handler for the chosen window
+ it = _map.find(win);
+
+ if (it != _map.end()) {
+ // if we found a handler
+ handler = it->second;
+ } else if (e.type == ConfigureRequest) {
+ // unhandled configure requests must be used to configure the window
+ // directly
+ XWindowChanges xwc;
+
+ xwc.x = e.xconfigurerequest.x;
+ xwc.y = e.xconfigurerequest.y;
+ xwc.width = e.xconfigurerequest.width;
+ xwc.height = e.xconfigurerequest.height;
+ xwc.border_width = e.xconfigurerequest.border_width;
+ xwc.sibling = e.xconfigurerequest.above;
+ xwc.stack_mode = e.xconfigurerequest.detail;
+
+#ifdef DEBUG
+ printf("Proxying configure event for 0x%lx\n", e.xconfigurerequest.window);
+#endif
+
+ // we are not to be held responsible if someone sends us an invalid
+ // request!
+ display->setIgnoreErrors(true);
+ XConfigureWindow(**display, e.xconfigurerequest.window,
+ e.xconfigurerequest.value_mask, &xwc);
+ display->setIgnoreErrors(false);
+ } else {
+ // grab a falback if it exists
+ handler = _fallback;
}
+
+ if (handler)
+ handler->handle(e);
+}
+
+EventHandler *EventDispatcher::findHandler(Window win)
+{
+ EventMap::iterator it = _map.find(win);
+ if (it != _map.end())
+ return it->second;
+ return 0;
}
}
projects / chaz / openbox / blobdiff