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// App.cc
// Copyright (c) 2002 Henrik Kinnunen (fluxgen at linuxmail.org)
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#include "App.hh"
#include "EventManager.hh"
#include <cassert>
#include <string>
namespace FbTk {
App *App::s_app = 0;
App *App::instance() {
if (s_app == 0)
throw std::string("You must create an instance of FbTk::App first!");
return s_app;
}
App::App(const char *displayname):m_done(false), m_display(0) {
if (s_app != 0)
throw std::string("Can't create more than one instance of FbTk::App");
s_app = this;
// this allows the use of std::string.c_str(), which returns
// a blank string, rather than a null string, so we make them equivalent
if (displayname != 0 && displayname[0] == '\0')
displayname = 0;
m_display = XOpenDisplay(displayname);
}
App::~App() {
if (m_display != 0) {
XCloseDisplay(m_display);
m_display = 0;
}
s_app = 0;
}
void App::sync(bool discard) {
XSync(display(), discard);
}
void App::eventLoop() {
XEvent ev;
while (!m_done) {
XNextEvent(display(), &ev);
EventManager::instance()->handleEvent(ev);
}
}
void App::end() {
m_done = true; //end loop in App::eventLoop
}
}; // end namespace FbTk
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