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Merge 9b1890e48a into 70a69d6ae3

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rchicoli 2021-07-13 22:53:32 +02:00 committed by GitHub
parent 70a69d6ae3 9b1890e48a
commit 606563e810
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 5 deletions
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15
main.go
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@ -3,8 +3,8 @@
package ui package ui
import ( import (
"runtime"
"errors" "errors"
"runtime"
"sync" "sync"
"unsafe" "unsafe"
) )
@ -42,6 +42,11 @@ func Main(f func()) error {
return nil return nil
} }
// Uninit calls C.uiUninit to uninitialize all allocated objects
func Uninit() {
C.uiUninit()
}
// Quit queues a return from Main. It does not exit the program. // Quit queues a return from Main. It does not exit the program.
// It also does not immediately cause Main to return; Main will // It also does not immediately cause Main to return; Main will
// return when it next can. Quit must be called from the GUI thread. // return when it next can. Quit must be called from the GUI thread.
@ -52,9 +57,9 @@ func Quit() {
// These prevent the passing of Go functions into C land. // These prevent the passing of Go functions into C land.
// TODO make an actual sparse list instead of this monotonic map thingy // TODO make an actual sparse list instead of this monotonic map thingy
var ( var (
qmmap = make(map[uintptr]func()) qmmap = make(map[uintptr]func())
qmcurrent = uintptr(0) qmcurrent = uintptr(0)
qmlock sync.Mutex qmlock sync.Mutex
) )
// QueueMain queues f to be executed on the GUI thread when // QueueMain queues f to be executed on the GUI thread when
@ -64,11 +69,11 @@ var (
// primary purpose is to allow communication between other // primary purpose is to allow communication between other
// goroutines and the GUI thread. Calling QueueMain after Quit // goroutines and the GUI thread. Calling QueueMain after Quit
// has been called results in undefined behavior. // has been called results in undefined behavior.
// //
// If you start a goroutine in f, it also cannot call package ui // If you start a goroutine in f, it also cannot call package ui
// functions. So for instance, the following will result in // functions. So for instance, the following will result in
// undefined behavior: // undefined behavior:
// //
// ui.QueueMain(func() { // ui.QueueMain(func() {
// go ui.MsgBox(...) // go ui.MsgBox(...)
// }) // })