This splash screen OK button might be exiting without causing a GTK panic
Signed-off-by: Jeff Carr <jcarr@wit.com>
This commit is contained in:
parent
eb9ddc3d5b
commit
287dff1a08
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@ -10,7 +10,6 @@ import _ "github.com/andlabs/ui/winmanifest"
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var mainwin *ui.Window
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var hbox *ui.Box
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var vbox *ui.Box
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var newgroup *ui.Group
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func makeSplashPage() ui.Control {
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hbox = ui.NewHorizontalBox()
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@ -43,8 +42,48 @@ func makeSplashPage() ui.Control {
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return hbox
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}
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func showSplash() {
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splashWin := ui.NewWindow("Splash Screen", 640, 480, false)
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splashWin.OnClosing(func(*ui.Window) bool {
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ui.Quit()
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return true
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})
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ui.OnShouldQuit(func() bool {
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splashWin.Destroy()
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return true
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})
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tab := ui.NewTab()
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splashWin.SetChild(tab)
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splashWin.SetMargined(true)
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hbox := ui.NewHorizontalBox()
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hbox.SetPadded(true)
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group := ui.NewGroup("Numbers")
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group.SetMargined(true)
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hbox.Append(group, true)
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vbox = ui.NewVerticalBox()
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vbox.SetPadded(true)
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group.SetChild(vbox)
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okButton := ui.NewButton("OK")
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okButton.OnClicked(func(*ui.Button) {
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log.Println("OK. Closing window.")
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splashWin.Destroy()
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ui.Quit()
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})
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vbox.Append(okButton, false)
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tab.Append("WIT Splash", hbox)
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tab.SetMargined(0, true)
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splashWin.Show()
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}
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func setupUI() {
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mainwin = ui.NewWindow("gui-example1", 300, 200, false)
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mainwin := ui.NewWindow("gui-example1", 300, 200, false)
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mainwin.OnClosing(func(*ui.Window) bool {
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ui.Quit()
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return true
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@ -65,29 +104,35 @@ func setupUI() {
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}
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func main() {
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go ui.Main(setupUI)
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ui.Main(showSplash)
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ui.Main(setupUI)
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// locks up GTK after a while (50 times)
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time.Sleep(1000 * time.Millisecond)
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count := 0
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for {
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time.Sleep(300 * time.Millisecond)
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log.Println("sleep")
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if (newgroup == nil) {
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name := "Test " + fmt.Sprintf("%d", count)
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log.Println("name=",name)
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newgroup = ui.NewGroup(name)
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newgroup.SetMargined(true)
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hbox.Append(newgroup, false)
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// newgroup = append(newgroup, group)
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count += 1
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} else {
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hbox.Delete(1)
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// newgroup.Delete()
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// can't destroy when there is a parent
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newgroup.Destroy()
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newgroup = nil
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}
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var newgroup *ui.Group
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name := "Test " + fmt.Sprintf("%d", count)
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log.Println("name=",name)
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newgroup = ui.NewGroup(name)
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newgroup.SetMargined(true)
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hbox.Append(newgroup, false)
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// display the splash screen info
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log.Println("sleep for 3")
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time.Sleep(3000 * time.Millisecond)
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hbox.Delete(1)
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// newgroup.Delete()
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// can't destroy when there is a parent
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newgroup.Destroy()
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newgroup = nil
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// wait forever here
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for {
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log.Println("sleep for 3 forever here")
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time.Sleep(3000 * time.Millisecond)
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}
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}
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@ -0,0 +1,2 @@
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run:
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go run *.go
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@ -0,0 +1,35 @@
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2019/05/17 10:59:15 name= Test 128
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2019/05/17 10:59:15 sleep
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2019/05/17 10:59:15 sleep
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2019/05/17 10:59:15 name= Test 129
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2019/05/17 10:59:16 sleep
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fatal error: unexpected signal during runtime execution
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[signal SIGSEGV: segmentation violation code=0x1 addr=0x7f8c000000b8 pc=0x7f8cbfb2f8e5]
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runtime stack:
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runtime.throw(0x50c4b8, 0x2a)
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/usr/lib/go-1.11/src/runtime/panic.go:608 +0x72
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runtime.sigpanic()
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/usr/lib/go-1.11/src/runtime/signal_unix.go:374 +0x2f2
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goroutine 19 [syscall]:
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runtime.cgocall(0x4b5490, 0xc00004df78, 0xc0000ac048)
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/usr/lib/go-1.11/src/runtime/cgocall.go:128 +0x5e fp=0xc00004df48 sp=0xc00004df10 pc=0x41688e
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github.com/andlabs/ui._Cfunc_uiMain()
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_cgo_gotypes.go:2518 +0x41 fp=0xc00004df78 sp=0xc00004df48 pc=0x4a9711
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github.com/andlabs/ui.Main(0x50d890, 0xc00003a701, 0xc0000842c0)
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/home/jcarr/go/src/github.com/andlabs/ui/main.go:41 +0xfd fp=0xc00004dfc8 sp=0xc00004df78 pc=0x4ad6cd
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runtime.goexit()
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/usr/lib/go-1.11/src/runtime/asm_amd64.s:1333 +0x1 fp=0xc00004dfd0 sp=0xc00004dfc8 pc=0x466461
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created by main.main
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/home/jcarr/go/src/git.wit.com/wit/cloud-control-panel/example-splash/main.go:68 +0x53
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goroutine 1 [sleep, locked to thread]:
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time.Sleep(0x11e1a300)
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/usr/lib/go-1.11/src/runtime/time.go:105 +0x14f
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main.main()
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/home/jcarr/go/src/git.wit.com/wit/cloud-control-panel/example-splash/main.go:74 +0x74
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exit status 2
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make: *** [Makefile:2: run] Error 1
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jcarr@librem15:~/go/src/git.wit.com/wit/cloud-control-panel/example-splash$ git diff
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@ -0,0 +1,93 @@
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package main
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import "time"
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import "log"
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import "fmt"
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import "github.com/andlabs/ui"
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import _ "github.com/andlabs/ui/winmanifest"
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var mainwin *ui.Window
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var hbox *ui.Box
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var vbox *ui.Box
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var newgroup *ui.Group
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func makeSplashPage() ui.Control {
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hbox = ui.NewHorizontalBox()
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hbox.SetPadded(true)
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group := ui.NewGroup("Numbers")
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group.SetMargined(true)
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hbox.Append(group, true)
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vbox = ui.NewVerticalBox()
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vbox.SetPadded(true)
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group.SetChild(vbox)
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spinbox := ui.NewSpinbox(47, 100)
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slider := ui.NewSlider(21, 100)
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pbar := ui.NewProgressBar()
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spinbox.OnChanged(func(*ui.Spinbox) {
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slider.SetValue(spinbox.Value())
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pbar.SetValue(spinbox.Value())
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})
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slider.OnChanged(func(*ui.Slider) {
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spinbox.SetValue(slider.Value())
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pbar.SetValue(slider.Value())
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})
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vbox.Append(spinbox, false)
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vbox.Append(slider, false)
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vbox.Append(pbar, false)
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return hbox
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}
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func setupUI() {
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mainwin = ui.NewWindow("gui-example1", 300, 200, false)
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mainwin.OnClosing(func(*ui.Window) bool {
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ui.Quit()
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return true
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})
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ui.OnShouldQuit(func() bool {
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mainwin.Destroy()
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return true
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})
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tab := ui.NewTab()
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mainwin.SetChild(tab)
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mainwin.SetMargined(true)
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tab.Append("WIT Splash", makeSplashPage())
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tab.SetMargined(0, true)
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mainwin.Show()
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}
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func main() {
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go ui.Main(setupUI)
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// locks up GTK after a while (50 times)
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time.Sleep(1000 * time.Millisecond)
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count := 0
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for {
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time.Sleep(300 * time.Millisecond)
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log.Println("sleep")
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if (newgroup == nil) {
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name := "Test " + fmt.Sprintf("%d", count)
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log.Println("name=",name)
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newgroup = ui.NewGroup(name)
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newgroup.SetMargined(true)
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hbox.Append(newgroup, false)
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// newgroup = append(newgroup, group)
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count += 1
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} else {
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hbox.Delete(1)
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// newgroup.Delete()
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// can't destroy when there is a parent
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newgroup.Destroy()
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newgroup = nil
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}
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}
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}
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