// guiLoop runs the main GUI thread event loop in C++ land.
func guiLoop() {
runtime.LockOSThread()
guiLoopRef = tref.Ref()
C.newGuiApplication()
C.idleTimerInit(&hookWaiting)
guiLoopReady.Unlock()
C.applicationExec()
}
// guiLoop runs the main GUI thread event loop in C++ land.
func guiLoop() {
// This is not an option in Init to avoid forcing people to patch
// and recompile an application just so it runs on Ubuntu Touch.
deskfile := os.Getenv("DESKTOP_FILE_HINT")
cdeskfile := (*C.char)(nil)
if deskfile != "" {
os.Setenv("DESKTOP_FILE_HINT", "")
cdeskfile = C.CString("--desktop_file_hint=" + deskfile)
}
runtime.LockOSThread()
guiLoopRef = tref.Ref()
C.newGuiApplication(cdeskfile)
C.idleTimerInit(&hookWaiting)
guiLoopReady.Unlock()
C.applicationExec()
}
// Run runs the main QML event loop, runs f, and then terminates the
// event loop once f returns.
//
// Most functions from the qml package block until Run is called.
//
// The Run function must necessarily be called from the same goroutine as
// the main function or the application may fail when running on Mac OS.
func Run(f func() error) error {
if cdata.Ref() != guiMainRef {
panic("Run must be called on the initial goroutine so apps are portable to Mac OS")
}
if !atomic.CompareAndSwapInt32(&initialized, 0, 1) {
panic("qml.Run called more than once")
}
C.newGuiApplication()
C.idleTimerInit((*C.int32_t)(&guiIdleRun))
done := make(chan error, 1)
go func() {
RunMain(func() {}) // Block until the event loop is running.
done <- f()
C.applicationExit()
}()
C.applicationExec()
return <-done
}