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#if defined(Hiro_Application)
namespace hiro {
auto pApplication::exit() -> void {
quit();
::exit(EXIT_SUCCESS);
}
auto pApplication::modal() -> bool {
return Application::state().modal > 0;
}
auto pApplication::run() -> void {
if(Application::state().onMain) {
while(!Application::state().quit) {
Application::doMain();
processEvents();
}
} else {
QApplication::exec();
}
}
auto pApplication::pendingEvents() -> bool {
return QApplication::hasPendingEvents();
}
auto pApplication::processEvents() -> void {
while(pendingEvents()) QApplication::processEvents();
}
auto pApplication::quit() -> void {
QApplication::quit();
qtApplication = nullptr; //note: deleting QApplication will crash libQtGui
if(state().display) {
if(state().screenSaverXDG && state().screenSaverWindow) {
//this needs to run synchronously, so that XUnmapWindow() won't happen before xdg-screensaver is finished
execute("xdg-screensaver", "resume", string{"0x", hex(state().screenSaverWindow)});
XUnmapWindow(state().display, state().screenSaverWindow);
state().screenSaverWindow = 0;
}
XCloseDisplay(state().display);
state().display = nullptr;
}
}
auto pApplication::setScreenSaver(bool screenSaver) -> void {
#if defined(DISPLAY_XORG)
if(state().screenSaverXDG && state().screenSaverWindow) {
//when invoking this command on Linux under Xfce, the follow message is written to the terminal:
//"org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files"
//to silence this message, stdout and stderr are redirected to /dev/null while invoking this command.
auto fd = open("/dev/null", O_NONBLOCK);
auto fo = dup(STDOUT_FILENO);
auto fe = dup(STDERR_FILENO);
dup2(fd, STDOUT_FILENO);
dup2(fd, STDERR_FILENO);
invoke("xdg-screensaver", screenSaver ? "resume" : "suspend", string{"0x", hex(state().screenSaverWindow)});
dup2(fo, STDOUT_FILENO);
dup2(fe, STDERR_FILENO);
close(fd);
close(fo);
close(fe);
}
#endif
}
auto pApplication::state() -> State& {
static State state;
return state;
}
//this is sadly necessary for things like determining window frame geometry
//obviously, it is used as sparingly as possible
auto pApplication::synchronize() -> void {
for(auto n : range(8)) {
#if HIRO_QT==4 && defined(DISPLAY_XORG)
QApplication::syncX();
#elif HIRO_QT==5
QApplication::sync();
#endif
Application::processEvents();
usleep(2000);
}
}
auto pApplication::initialize() -> void {
#if HIRO_QT==5 && defined(PLATFORM_BSD)
setenv("QTCOMPOSE", "/usr/local/lib/X11/locale/", 0);
#endif
#if defined(DISPLAY_XORG)
XInitThreads();
state().display = XOpenDisplay(nullptr);
state().screenSaverXDG = (bool)execute("xdg-screensaver", "--version").output.find("xdg-screensaver");
if(state().screenSaverXDG) {
auto screen = DefaultScreen(state().display);
auto rootWindow = RootWindow(state().display, screen);
XSetWindowAttributes attributes{};
attributes.background_pixel = BlackPixel(state().display, screen);
attributes.border_pixel = 0;
attributes.override_redirect = true;
state().screenSaverWindow = XCreateWindow(state().display, rootWindow,
0, 0, 1, 1, 0, DefaultDepth(state().display, screen),
InputOutput, DefaultVisual(state().display, screen),
CWBackPixel | CWBorderPixel | CWOverrideRedirect, &attributes
);
XStoreName(state().display, state().screenSaverWindow, "hiro-screen-saver-window");
XFlush(state().display);
}
#endif
static auto name = Application::state().name ? Application::state().name : string{"hiro"};
//QApplication stores references to argc;
//and will access them after pApplication::initialize() returns
static int argc = 1;
static char* argv[] = {name.get(), nullptr};
static char** argvp = argv;
qtApplication = new QApplication(argc, argvp);
pKeyboard::initialize();
}
}
#endif
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