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linux: lazy call XInitThreads #75

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linux: lazy call XInitThreads #75

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19 changes: 12 additions & 7 deletions dlgs_linux.go
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Original file line number Diff line number Diff line change
Expand Up @@ -12,16 +12,21 @@ package dialog
// return gtk_file_chooser_dialog_new(title, parent, action, "Cancel", GTK_RESPONSE_CANCEL, acceptText, GTK_RESPONSE_ACCEPT, NULL);
// }
import "C"
import "unsafe"
import (
"sync"
"unsafe"
)

var initSuccess bool

func init() {
C.XInitThreads()
initSuccess = (C.gtk_init_check(nil, nil) == C.TRUE)
}
var (
initSuccess bool
once sync.Once
)

func checkStatus() {
once.Do(func() {
C.XInitThreads()
initSuccess = (C.gtk_init_check(nil, nil) == C.TRUE)
})
if !initSuccess {
panic("gtk initialisation failed; presumably no X server is available")
}
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