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// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
#ifdef HAVE_CONFIG_H
# include "../config.h"
#endif
#include "eventdispatcher.hh"
#include "display.hh"
#include <iostream>
namespace otk {
OtkEventDispatcher::OtkEventDispatcher()
: _fallback(0), _master(0), _focus(None)
{
_focus_e.xfocus.mode = NotifyNormal;
_focus_e.xfocus.detail = NotifyNonlinear;
}
OtkEventDispatcher::~OtkEventDispatcher()
{
}
void OtkEventDispatcher::clearAllHandlers(void)
{
_map.clear();
}
void OtkEventDispatcher::registerHandler(Window id, OtkEventHandler *handler)
{
_map.insert(std::pair<Window, OtkEventHandler*>(id, handler));
}
void OtkEventDispatcher::clearHandler(Window id)
{
_map.erase(id);
}
void OtkEventDispatcher::dispatchEvents(void)
{
OtkEventMap::iterator it;
XEvent e;
Window focus = _focus;
Window unfocus = None;
while (XPending(OBDisplay::display)) {
XNextEvent(OBDisplay::display, &e);
#if 0
printf("Event %d window %lx\n", e.type, e.xany.window);
#endif
// these ConfigureRequests require some special attention
if (e.type == ConfigureRequest) {
// find the actual window! e.xany.window is the parent window
it = _map.find(e.xconfigurerequest.window);
if (it != _map.end())
it->second->handle(e);
else {
// 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;
XConfigureWindow(otk::OBDisplay::display, e.xconfigurerequest.window,
e.xconfigurerequest.value_mask, &xwc);
}
// madly compress all focus events
} else if (e.type == FocusIn) {
// any other types are not ones we're interested in
if (e.xfocus.detail == NotifyNonlinear) {
if (e.xfocus.window != focus) {
if (focus)
unfocus = focus;
focus = e.xfocus.window;
printf("FocusIn focus=%lx unfocus=%lx\n", focus, unfocus);
}
}
} else if (e.type == FocusOut) {
// any other types are not ones we're interested in
if (e.xfocus.detail == NotifyNonlinear) {
if (e.xfocus.window == focus) {
unfocus = focus;
focus = None;
printf("FocusIn focus=%lx unfocus=%lx\n", focus, unfocus);
}
}
} else {
// normal events
dispatch(e);
}
}
if (focus != _focus) {
_focus_e.xfocus.type = FocusIn;
_focus_e.xfocus.window = focus;
dispatch(_focus_e);
_focus = focus;
}
if (unfocus != None) {
_focus_e.xfocus.type = FocusOut;
_focus_e.xfocus.window = unfocus;
dispatch(_focus_e);
}
}
void OtkEventDispatcher::dispatch(const XEvent &e) {
OtkEventHandler *handler;
OtkEventMap::iterator it;
it = _map.find(e.xany.window);
if (it != _map.end())
handler = it->second;
else
handler = _fallback;
if (handler)
handler->handle(e);
if (_master)
_master->handle(e);
}
OtkEventHandler *OtkEventDispatcher::findHandler(Window win)
{
OtkEventMap::iterator it = _map.find(win);
if (it != _map.end())
return it->second;
return 0;
}
}
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