161 lines
3.8 KiB
C++
161 lines
3.8 KiB
C++
// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
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#ifdef HAVE_CONFIG_H
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# include "../config.h"
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#endif
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#include "eventdispatcher.hh"
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#include "display.hh"
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#include <iostream>
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namespace otk {
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OtkEventDispatcher::OtkEventDispatcher()
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: _fallback(0), _master(0)
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{
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}
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OtkEventDispatcher::~OtkEventDispatcher()
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{
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}
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void OtkEventDispatcher::clearAllHandlers(void)
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{
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_map.clear();
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}
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void OtkEventDispatcher::registerHandler(Window id, OtkEventHandler *handler)
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{
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_map.insert(std::pair<Window, OtkEventHandler*>(id, handler));
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}
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void OtkEventDispatcher::clearHandler(Window id)
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{
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_map.erase(id);
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}
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void OtkEventDispatcher::dispatchEvents(void)
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{
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XEvent e;
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while (XPending(OBDisplay::display)) {
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XNextEvent(OBDisplay::display, &e);
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#if 0//defined(DEBUG)
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printf("Event %d window %lx\n", e.type, e.xany.window);
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#endif
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Window win;
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// pick a window
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switch (e.type) {
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case UnmapNotify:
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win = e.xunmap.window;
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break;
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case DestroyNotify:
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win = e.xdestroywindow.window;
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break;
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case ConfigureRequest:
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win = e.xconfigurerequest.window;
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break;
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default:
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win = e.xany.window;
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}
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// grab the lasttime and hack up the modifiers
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switch (e.type) {
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case ButtonPress:
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case ButtonRelease:
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_lasttime = e.xbutton.time;
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e.xbutton.state &= ~(LockMask | OBDisplay::numLockMask() |
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OBDisplay::scrollLockMask());
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break;
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case KeyPress:
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e.xkey.state &= ~(LockMask | OBDisplay::numLockMask() |
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OBDisplay::scrollLockMask());
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break;
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case MotionNotify:
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_lasttime = e.xmotion.time;
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e.xmotion.state &= ~(LockMask | OBDisplay::numLockMask() |
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OBDisplay::scrollLockMask());
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break;
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case PropertyNotify:
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_lasttime = e.xproperty.time;
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break;
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case EnterNotify:
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case LeaveNotify:
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_lasttime = e.xcrossing.time;
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break;
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}
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if (e.type == FocusIn || e.type == FocusOut)
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// any other types are not ones we're interested in
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if (e.xfocus.detail != NotifyNonlinear)
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continue;
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if (e.type == FocusOut) {
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XEvent fi;
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// send a FocusIn first if one exists
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while (XCheckTypedEvent(OBDisplay::display, FocusIn, &fi)) {
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// any other types are not ones we're interested in
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printf("found focusin\n");
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if (fi.xfocus.detail == NotifyNonlinear) {
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printf("sending focusin\n");
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dispatch(fi.xfocus.window, fi);
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break;
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}
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}
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}
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dispatch(win, e);
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}
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}
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void OtkEventDispatcher::dispatch(Window win, const XEvent &e)
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{
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OtkEventHandler *handler = 0;
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OtkEventMap::iterator it;
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// master gets everything first
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if (_master)
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_master->handle(e);
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// find handler for the chosen window
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it = _map.find(win);
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if (it != _map.end()) {
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// if we found a handler
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handler = it->second;
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} else if (e.type == ConfigureRequest) {
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// unhandled configure requests must be used to configure the window
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// directly
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XWindowChanges xwc;
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xwc.x = e.xconfigurerequest.x;
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xwc.y = e.xconfigurerequest.y;
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xwc.width = e.xconfigurerequest.width;
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xwc.height = e.xconfigurerequest.height;
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xwc.border_width = e.xconfigurerequest.border_width;
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xwc.sibling = e.xconfigurerequest.above;
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xwc.stack_mode = e.xconfigurerequest.detail;
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XConfigureWindow(otk::OBDisplay::display, e.xconfigurerequest.window,
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e.xconfigurerequest.value_mask, &xwc);
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} else {
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// grab a falback if it exists
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handler = _fallback;
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}
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if (handler)
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handler->handle(e);
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}
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OtkEventHandler *OtkEventDispatcher::findHandler(Window win)
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{
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OtkEventMap::iterator it = _map.find(win);
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if (it != _map.end())
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return it->second;
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return 0;
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}
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}
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