diff options
Diffstat (limited to 'uitask.go')
| -rw-r--r-- | uitask.go | 27 |
1 files changed, 11 insertions, 16 deletions
@@ -36,19 +36,14 @@ var Ready = make(chan struct{}) // Do not pulse Stop more than once. var Stop = make(chan struct{}) -// This function is a simple helper functionn that basically pushes the effect of a function call for later. This allows the selected safe Window methods to be safe. -// TODO make sure this acts sanely if called from uitask itself -func touitask(f func()) { - done := make(chan struct{}) - defer close(done) - go func() { // to avoid locking uitask itself - done2 := make(chan struct{}) // make the chain uitask <- f <- uitask to avoid deadlocks - defer close(done2) - uitask <- func() { - f() - done2 <- struct{}{} - } - done <- <-done2 - }() - <-done -} +// uitask is an object of a type implemented by each uitask_***.go that does everything that needs to be communicated to the main thread. +type _uitask struct{} +var uitask = _uitask{} + +// and the required methods are: +var xuitask interface { + // creates a window + // TODO whether this waits for the window creation to finish is implementation defined? + createWindow(*Window, Control, bool) +} = uitask +// compilation will fail if uitask doesn't have all these methods |