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[v2, windows] Apply suggested window size during DPI changed event (#1131)

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* [v2, windows] Apply suggested window size during DPI changed event

This adjusts the window size if the window is moved from one
monitor to another with a different DPI scaling

* [v2, windows] Do not block processing of messages during frameless drag/resize

* [v2, windows] Bump winc

Improves the HiDPI handling by using newer APIs if available

* [v2, windows] Constrain frameless maximize to MaxWidth/MaxHeight
This commit is contained in:
stffabi 2022-02-07 21:56:01 +01:00 committed by GitHub
parent 3d02a314b9
commit 7bc51725c0
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 35 additions and 5 deletions
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2
v2/go.mod
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@ -27,7 +27,7 @@ require (
github.com/leaanthony/idgen v1.0.0
github.com/leaanthony/slicer v1.5.0
github.com/leaanthony/typescriptify-golang-structs v0.1.7
github.com/leaanthony/winc v0.0.0-20220202120322-32d63aaf77de
github.com/leaanthony/winc v0.0.0-20220207200219-3173d94f373e
github.com/leaanthony/winicon v1.0.0
github.com/matryer/is v1.4.0
github.com/olekukonko/tablewriter v0.0.4

4
v2/go.sum
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@ -128,8 +128,8 @@ github.com/leaanthony/slicer v1.5.0 h1:aHYTN8xbCCLxJmkNKiLB6tgcMARl4eWmH9/F+S/0H
github.com/leaanthony/slicer v1.5.0/go.mod h1:FwrApmf8gOrpzEWM2J/9Lh79tyq8KTX5AzRtwV7m4AY=
github.com/leaanthony/typescriptify-golang-structs v0.1.7 h1:yoznzWzyxkO/iWdlpq+aPcuJ5Y/hpjq/lmgMFmpjwl0=
github.com/leaanthony/typescriptify-golang-structs v0.1.7/go.mod h1:cWtOkiVhMF77e6phAXUcfNwYmMwCJ67Sij24lfvi9Js=
github.com/leaanthony/winc v0.0.0-20220202120322-32d63aaf77de h1:6z+HQCLE8m0cH4N8TauSdjmAJ1Su/aATTkCQyxGU55M=
github.com/leaanthony/winc v0.0.0-20220202120322-32d63aaf77de/go.mod h1:OPfk8SNMAKRcSv8Vw1QL0yupmwcRtJyXZUgtMoaHUGc=
github.com/leaanthony/winc v0.0.0-20220207200219-3173d94f373e h1:YYlAGeMoLcIPyXQMch6bMbTWBfhhyCSavlKs6an9Wik=
github.com/leaanthony/winc v0.0.0-20220207200219-3173d94f373e/go.mod h1:OPfk8SNMAKRcSv8Vw1QL0yupmwcRtJyXZUgtMoaHUGc=
github.com/leaanthony/winicon v1.0.0 h1:ZNt5U5dY71oEoKZ97UVwJRT4e+5xo5o/ieKuHuk8NqQ=
github.com/leaanthony/winicon v1.0.0/go.mod h1:en5xhijl92aphrJdmRPlh4NI1L6wq3gEm0LpXAPghjU=
github.com/leodido/go-urn v1.2.0 h1:hpXL4XnriNwQ/ABnpepYM/1vCLWNDfUNts8dX3xTG6Y=

6
v2/internal/frontend/desktop/windows/frontend.go
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@ -473,7 +473,8 @@ func (f *Frontend) startDrag() error {
if !w32.ReleaseCapture() {
return fmt.Errorf("unable to release mouse capture")
}
w32.SendMessage(f.mainWindow.Handle(), w32.WM_NCLBUTTONDOWN, w32.HTCAPTION, 0)
// Use PostMessage because we don't want to block the caller until dragging has been finished.
w32.PostMessage(f.mainWindow.Handle(), w32.WM_NCLBUTTONDOWN, w32.HTCAPTION, 0)
return nil
}
@ -481,7 +482,8 @@ func (f *Frontend) startResize(border uintptr) error {
if !w32.ReleaseCapture() {
return fmt.Errorf("unable to release mouse capture")
}
w32.SendMessage(f.mainWindow.Handle(), w32.WM_NCLBUTTONDOWN, border, 0)
// Use PostMessage because we don't want to block the caller until resizing has been finished.
w32.PostMessage(f.mainWindow.Handle(), w32.WM_NCLBUTTONDOWN, border, 0)
return nil
}

28
v2/internal/frontend/desktop/windows/window.go
View File

@ -98,6 +98,17 @@ func (w *Window) WndProc(msg uint32, wparam, lparam uintptr) uintptr {
if w.notifyParentWindowPositionChanged != nil {
w.notifyParentWindowPositionChanged()
}
// TODO move WM_DPICHANGED handling into winc
case 0x02E0: //w32.WM_DPICHANGED
newWindowSize := (*w32.RECT)(unsafe.Pointer(lparam))
w32.SetWindowPos(w.Handle(),
uintptr(0),
int(newWindowSize.Left),
int(newWindowSize.Top),
int(newWindowSize.Right-newWindowSize.Left),
int(newWindowSize.Bottom-newWindowSize.Top),
w32.SWP_NOZORDER|w32.SWP_NOACTIVATE)
}
if w.frontendOptions.Frameless {
@ -130,6 +141,23 @@ func (w *Window) WndProc(msg uint32, wparam, lparam uintptr) uintptr {
if w32.GetMonitorInfo(monitor, &monitorInfo) {
rgrc := (*w32.RECT)(unsafe.Pointer(lparam))
*rgrc = monitorInfo.RcWork
maxWidth := w.frontendOptions.MaxWidth
maxHeight := w.frontendOptions.MaxHeight
if maxWidth > 0 || maxHeight > 0 {
var dpiX, dpiY uint
w32.GetDPIForMonitor(monitor, w32.MDT_EFFECTIVE_DPI, &dpiX, &dpiY)
maxWidth := int32(winc.ScaleWithDPI(maxWidth, dpiX))
if maxWidth > 0 && rgrc.Right-rgrc.Left > maxWidth {
rgrc.Right = rgrc.Left + maxWidth
}
maxHeight := int32(winc.ScaleWithDPI(maxHeight, dpiY))
if maxHeight > 0 && rgrc.Bottom-rgrc.Top > maxHeight {
rgrc.Bottom = rgrc.Top + maxHeight
}
}
}
}