138 lines
3.2 KiB
C++
138 lines
3.2 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), _focus(None)
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{
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_focus_e.xfocus.mode = NotifyNormal;
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_focus_e.xfocus.detail = NotifyNonlinear;
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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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OtkEventMap::iterator it;
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XEvent e;
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Window focus = _focus;
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Window unfocus = None;
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while (XPending(OBDisplay::display)) {
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XNextEvent(OBDisplay::display, &e);
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#if 0
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printf("Event %d window %lx\n", e.type, e.xany.window);
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#endif
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// these ConfigureRequests require some special attention
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if (e.type == ConfigureRequest) {
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// find the actual window! e.xany.window is the parent window
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it = _map.find(e.xconfigurerequest.window);
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if (it != _map.end())
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it->second->handle(e);
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else {
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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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}
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// madly compress all focus events
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} else if (e.type == FocusIn) {
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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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if (e.xfocus.window != focus) {
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unfocus = focus;
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focus = e.xfocus.window;
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}
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}
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} else if (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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if (e.xfocus.window == focus) {
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unfocus = focus;
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focus = None;
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}
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}
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} else {
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// normal events
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dispatch(e);
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}
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}
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if (focus != _focus) {
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_focus_e.xfocus.type = FocusIn;
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_focus_e.xfocus.window = focus;
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dispatch(_focus_e);
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_focus = focus;
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}
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if (unfocus != None) {
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_focus_e.xfocus.type = FocusOut;
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_focus_e.xfocus.window = unfocus;
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dispatch(_focus_e);
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}
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}
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void OtkEventDispatcher::dispatch(const XEvent &e) {
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OtkEventHandler *handler;
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OtkEventMap::iterator it;
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it = _map.find(e.xany.window);
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if (it != _map.end())
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handler = it->second;
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else
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handler = _fallback;
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if (handler)
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handler->handle(e);
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if (_master)
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_master->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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