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Qt frameless window written in Go

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qt go frameless borderless windows macos aerosnap

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goqtframelesswindow's Issues

Bad instruction in MacOS

When launch the application, I got the following error.

__debug_bin(59399,0xd10c5c0) malloc: *** error for object 0x14a61710: pointer being freed was not allocated
__debug_bin(59399,0xd10c5c0) malloc: *** set a breakpoint in malloc_error_break to debug
Stopped at: 0x7fff70b99766
=>no source available
Command failed: bad instruction
(dlv) bt
 0  0x00007fff70b99766 in ???
    at ?:-1
 1  0x00007fff70b996b5 in ???
    at ?:-1
 2  0x00007fff70ca8077 in ???
    at ?:-1
 3  0x00007fff70ca7e38 in ???
    at ?:-1
 4  0x000000000abebf19 in ???
    at ?:-1
 5  0x000000000abeca0d in ???
    at ?:-1
 6  0x000000000ab88a2e in ???
    at ?:-1
 7  0x00000000056adf4a in ???
    at ?:-1
 8  0x00000000055e5f71 in C._cgo_2e293618a95b_Cfunc_QWidget_EventDefault
    at /tmp/go-build/cgo-gcc-prolog:116824
 9  0x000000000406bb50 in runtime.asmcgocall
    at /Users/akiyosi/.goenv/versions/1.11.4/src/runtime/asm_amd64.s:637
10  0x0000000000000000 in ???
    at ?:-1
11  0x0000000004ae04ba in github.com/therecipe/qt/widgets._Cfunc_QWidget_EventDefault
    at _cgo_gotypes.go:101876
12  0x0000000004f202be in github.com/therecipe/qt/widgets.(*QWidget).EventDefault.func1
    at /Users/akiyosi/go/src/github.com/therecipe/qt/widgets/widgets.go:103272
13  0x0000000004dca412 in github.com/therecipe/qt/widgets.(*QWidget).EventDefault
    at /Users/akiyosi/go/src/github.com/therecipe/qt/widgets/widgets.go:103272
14  0x0000000004dc9f80 in github.com/therecipe/qt/widgets.callbackQWidget_Event
    at /Users/akiyosi/go/src/github.com/therecipe/qt/widgets/widgets.go:103238
15  0x0000000004b3c0fa in github.com/therecipe/qt/widgets._cgoexpwrap_2e293618a95b_callbackQWidget_Event
    at _cgo_gotypes.go:129462
16  0x000000000406a6bb in runtime.call32
    at /Users/akiyosi/.goenv/versions/1.11.4/src/runtime/asm_amd64.s:522
17  0x000000000400d21b in runtime.cgocallbackg1
    at /Users/akiyosi/.goenv/versions/1.11.4/src/runtime/cgocall.go:313
18  0x000000000400cfe9 in runtime.cgocallbackg
    at /Users/akiyosi/.goenv/versions/1.11.4/src/runtime/cgocall.go:191
19  0x000000000406bc8b in runtime.cgocallback_gofunc
    at /Users/akiyosi/.goenv/versions/1.11.4/src/runtime/asm_amd64.s:775
20  0x000000000406bb22 in runtime.asmcgocall
    at /Users/akiyosi/.goenv/versions/1.11.4/src/runtime/asm_amd64.s:622
21  0x000000000400cee2 in runtime.cgocall
    at /Users/akiyosi/.goenv/versions/1.11.4/src/runtime/cgocall.go:131
22  0x000000000513e975 in github.com/akiyosi/goqtframelesswindow._Cfunc_QFramelessWindowd04616_SetVisibleDefault
    at _cgo_gotypes.go:957
23  0x000000000514df14 in github.com/akiyosi/goqtframelesswindow.(*QFramelessWindow).SetVisibleDefault.func1
    at /Users/akiyosi/go/src/github.com/akiyosi/goqtframelesswindow/moc.go:1218
24  0x0000000005148f45 in github.com/akiyosi/goqtframelesswindow.(*QFramelessWindow).SetVisibleDefault
    at /Users/akiyosi/go/src/github.com/akiyosi/goqtframelesswindow/moc.go:1218
25  0x0000000005148ea8 in github.com/akiyosi/goqtframelesswindow.callbackQFramelessWindowd04616_SetVisible
    at /Users/akiyosi/go/src/github.com/akiyosi/goqtframelesswindow/moc.go:1212
26  0x0000000005141ab4 in github.com/akiyosi/goqtframelesswindow._cgoexpwrap_675b43108fee_callbackQFramelessWindowd04616_SetVisible
    at _cgo_gotypes.go:2354
27  0x000000000406a6bb in runtime.call32
    at /Users/akiyosi/.goenv/versions/1.11.4/src/runtime/asm_amd64.s:522
28  0x000000000400d21b in runtime.cgocallbackg1
    at /Users/akiyosi/.goenv/versions/1.11.4/src/runtime/cgocall.go:313
29  0x000000000400cfe9 in runtime.cgocallbackg
    at /Users/akiyosi/.goenv/versions/1.11.4/src/runtime/cgocall.go:191
30  0x000000000406bc8b in runtime.cgocallback_gofunc
    at /Users/akiyosi/.goenv/versions/1.11.4/src/runtime/asm_amd64.s:775
31  0x000000000406bb22 in runtime.asmcgocall
    at /Users/akiyosi/.goenv/versions/1.11.4/src/runtime/asm_amd64.s:622
32  0x000000000400cee2 in runtime.cgocall
    at /Users/akiyosi/.goenv/versions/1.11.4/src/runtime/cgocall.go:131
33  0x0000000004aeaa01 in github.com/therecipe/qt/widgets._Cfunc_QWidget_Show
    at _cgo_gotypes.go:105055
34  0x0000000004f2a16b in github.com/therecipe/qt/widgets.(*QWidget).Show.func1
    at /Users/akiyosi/go/src/github.com/therecipe/qt/widgets/widgets.go:106011
35  0x0000000004ddde7d in github.com/therecipe/qt/widgets.(*QWidget).Show
    at /Users/akiyosi/go/src/github.com/therecipe/qt/widgets/widgets.go:106011

Window resizing feature is broken on Windows with Qt 5.13

Window resizing feature is broken.
Probably not broken up to 5.12.3.
See therecipe/qt#938

A problem with windows being completely transparent and We get th log "It does not make sense to draw an image when [NSGraphicsContext currentContext] is nil"

I am confronted with a perplexing problem, and I document it here as it is.

My environment

MacOS 10.13.6 High Sierra

Problem

I had no problems when I used Qt5.13.0 previously, but when I installed Qt5.12.9, I had an issue where apps with frameless windows would only show buttons and the windows would be completely transparent.
Initially I decided it was a Qt5.12 system issue and reinstalled Qt5.13.2. But the event is not resolved.

The following screenshot shows a frameless window in the browser's foreground when the problem is reproduced. (It does indeed exist.)

In this case, the following messages are printed in the log

2020-09-22 13:12:25.280 main[91040:1256095] It does not make sense to draw an image when [NSGraphicsContext currentContext] is nil.  This is a prog
ramming error. Break on void _NSWarnForDrawingImageWithNoCurrentContext(void) to debug.  This will be logged only once.  This may break in the futu
re.

Tracking down this issue, I found that the window was unintentionally completely transparent due to the NSWindowStyleMaskFullSizeContentView and the Window's background color being clearColor. Also, the same binary does not seem to have the problem on MacOS 10.14 systems.

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