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qframelesswindow.go
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qframelesswindow.go
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package qframelesswindow
import (
"fmt"
"runtime"
"time"
"github.com/akiyosi/qt/core"
"github.com/akiyosi/qt/gui"
"github.com/akiyosi/qt/svg"
"github.com/akiyosi/qt/widgets"
)
type Edge int
const (
None Edge = 0x0
Left Edge = 0x1
Top Edge = 0x2
Right Edge = 0x4
Bottom Edge = 0x8
TopLeft Edge = 0x10
TopRight Edge = 0x20
BottomLeft Edge = 0x40
BottomRight Edge = 0x80
)
type RGB struct {
R uint16
G uint16
B uint16
}
type QToolButtonForNotDarwin struct {
f *QFramelessWindow
Widget *widgets.QWidget
IconBtn *svg.QSvgWidget
isHover bool
}
type FramelessConfig struct {
IsBorderless bool
Alpha float64
ApplyBlurEffect bool
}
type QFramelessWindow struct {
widgets.QMainWindow
hwnd uintptr
IsBorderless bool
WindowColor *RGB
WindowColorAlpha float64
ApplyBlurEffect bool
Widget *widgets.QWidget
Layout *widgets.QVBoxLayout
Content *widgets.QWidget
WindowWidget *widgets.QFrame
WindowVLayout *widgets.QVBoxLayout
borderSize int
windowgap int
minimumWidth int
minimumHeight int
TitleBar *widgets.QWidget
TitleBarLayout *widgets.QHBoxLayout
// TitleLabel *widgets.QLabel
TitleIconLabel *widgets.QLabel
TitleStringLabel *widgets.QLabel
TitleLabel *widgets.QWidget
TitleBarBtnWidget *widgets.QWidget
TitleBarBtnLayout *widgets.QHBoxLayout
TitleColor *RGB
TitleBarMousePos *core.QPoint
IsTitlebarHidden bool
IsTitleBarPressed bool
IsTitleIconShown bool
// for windows, linux
IconMinimize *QToolButtonForNotDarwin
IconMaximize *QToolButtonForNotDarwin
IconRestore *QToolButtonForNotDarwin
IconClose *QToolButtonForNotDarwin
isCursorChanged bool
isDragStart bool
isLeftButtonPressed bool
dragPos *core.QPoint
hoverEdge Edge
Position *core.QPoint
MousePos [2]int
borderless bool
}
func CreateQFramelessWindow(a ...interface{}) *QFramelessWindow {
alpha := 1.0
isBorderless := false
applyBlurEffect := false
for _, vITF := range a {
switch v := vITF.(type) {
case float64:
if v >= 0.0 && v <= 1.0 {
alpha = v
}
case bool:
isBorderless = v
case FramelessConfig:
c := vITF.(FramelessConfig)
isBorderless = c.IsBorderless
alpha = c.Alpha
applyBlurEffect = c.ApplyBlurEffect
default:
}
}
if applyBlurEffect && runtime.GOOS == "darwin" {
isBorderless = true
alpha = 0.9
}
if applyBlurEffect && runtime.GOOS == "windows" {
isBorderless = true
}
f := NewQFramelessWindow(nil, 0)
f.WindowColor = &RGB{255, 255, 255}
f.WindowColorAlpha = alpha
f.IsBorderless = isBorderless
f.ApplyBlurEffect = applyBlurEffect
f.Widget = widgets.NewQWidget(nil, 0)
f.Widget.SetStyleSheet(" * { background-color: rgba(0, 0, 0, 0.0); }")
f.SetCentralWidget(f.Widget)
f.SetupUI(f.Widget)
f.SetupMinimumSize(400, 300)
// if isBorderless is false, then we return normal qmainwindow
if !f.IsBorderless {
f.HideTitlebar()
return f
}
if f.IsTitlebarHidden {
f.TitleBar.Hide()
}
f.SetupWindowFlags()
f.SetupAttributes()
if f.IsBorderless {
f.SetupNativeEvent()
}
if f.ApplyBlurEffect {
f.SetBlurEffectForWin(uintptr(f.WinId()))
}
f.SetupWindowActions()
f.SetupTitleBarActions()
f.ShowButtons()
return f
}
func (f *QFramelessWindow) RestoreFramelessState(state core.QByteArray_ITF, version int) {
f.RestoreState(state, version)
if !f.IsBorderless {
return
}
if runtime.GOOS == "darwin" {
return
}
switch f.WindowState() {
case core.Qt__WindowMaximized:
f.IconMaximize.Widget.SetVisible(false)
f.IconRestore.Widget.SetVisible(true)
default:
f.IconMaximize.Widget.SetVisible(true)
f.IconRestore.Widget.SetVisible(false)
}
f.Layout.SetContentsMargins(0, 0, 0, 0)
f.IconRestore.SetStyle(nil)
}
func (f *QFramelessWindow) SetupMinimumSize(w int, h int) {
f.SetMinimumSize2(w, h)
f.Widget.SetMinimumSize2(w, h)
f.WindowWidget.SetMinimumSize2(w, h)
f.minimumWidth = w
f.minimumHeight = h
}
func (f *QFramelessWindow) BorderSize() int {
return f.borderSize
}
func (f *QFramelessWindow) SetupBorderSize(size int) {
f.borderSize = size
}
func (f *QFramelessWindow) WindowGap() int {
return f.windowgap
}
func (f *QFramelessWindow) SetupWindowGap(size int) {
f.windowgap = size
}
func (f *QFramelessWindow) SetupUI(widget *widgets.QWidget) {
if f.IsBorderless {
f.InstallEventFilter(f)
}
widget.SetSizePolicy2(widgets.QSizePolicy__Expanding|widgets.QSizePolicy__Maximum, widgets.QSizePolicy__Expanding|widgets.QSizePolicy__Maximum)
f.Layout = widgets.NewQVBoxLayout2(widget)
f.Layout.SetSpacing(0)
f.Layout.SetContentsMargins(0, 0, 0, 0)
f.WindowWidget = widgets.NewQFrame(widget, 0)
f.WindowWidget.SetObjectName("QFramelessWidget")
f.WindowWidget.SetSizePolicy2(widgets.QSizePolicy__Expanding|widgets.QSizePolicy__Maximum, widgets.QSizePolicy__Expanding|widgets.QSizePolicy__Maximum)
f.Layout.AddWidget(f.WindowWidget, 0, 0)
if !f.IsBorderless {
return
}
// create window content
f.Content = widgets.NewQWidget(f.WindowWidget, 0)
// windowVLayout is the following structure layout
// +-----------+
// | |
// +-----------+
// | |
// +-----------+
// | |
// +-----------+
f.WindowVLayout = widgets.NewQVBoxLayout2(f.WindowWidget)
f.WindowVLayout.SetContentsMargins(0, 0, 0, 0)
f.WindowVLayout.SetSpacing(0)
f.newTitlebar()
// Set widget to layout
f.WindowVLayout.AddWidget(f.TitleBar, 0, 0)
f.WindowVLayout.AddWidget(f.Content, 0, 0)
f.WindowWidget.SetLayout(f.WindowVLayout)
}
func (f *QFramelessWindow) newTitlebar() {
// create titlebar widget
f.TitleBar = widgets.NewQWidget(f.WindowWidget, 0)
f.TitleBar.SetObjectName("titleBar")
f.TitleBar.SetSizePolicy2(widgets.QSizePolicy__Expanding, widgets.QSizePolicy__Fixed)
// titleBarLayout is the following structure layout
// +--+--+--+--+
// | | | | |
// +--+--+--+--+
f.TitleBarLayout = widgets.NewQHBoxLayout2(f.TitleBar)
f.TitleBarLayout.SetContentsMargins(0, 0, 0, 0)
f.TitleBarBtnWidget = widgets.NewQWidget(nil, 0)
f.TitleBarBtnLayout = widgets.NewQHBoxLayout2(nil)
f.TitleBarBtnLayout.SetContentsMargins(0, 0, 0, 0)
f.TitleBarBtnLayout.SetSpacing(0)
f.TitleBarBtnWidget.SetLayout(f.TitleBarBtnLayout)
// f.TitleLabel = widgets.NewQLabel(nil, 0)
// f.TitleLabel.SetObjectName("TitleLabel")
// f.TitleLabel.SetAlignment(core.Qt__AlignCenter)
f.TitleLabel = widgets.NewQWidget(nil, 0)
titleLabelLayout := widgets.NewQHBoxLayout2(nil)
titleLabelLayout.SetContentsMargins(0, 0, 0, 0)
titleLabelLayout.SetSpacing(int(float64(f.borderSize) * 2.5))
f.TitleLabel.SetLayout(titleLabelLayout)
f.TitleIconLabel = widgets.NewQLabel(nil, 0)
f.TitleIconLabel.SetContentsMargins(0, 2, 0, 0)
f.TitleStringLabel = widgets.NewQLabel(nil, 0)
f.TitleStringLabel.SetContentsMargins(0, 0, 0, 0)
titleLabelLayout.AddWidget(f.TitleIconLabel, 0, 0)
titleLabelLayout.AddWidget(f.TitleStringLabel, 0, 0)
titleLabelLayout.SetAlignment(f.TitleIconLabel, core.Qt__AlignCenter)
titleLabelLayout.SetAlignment(f.TitleStringLabel, core.Qt__AlignCenter)
f.TitleIconLabel.Hide()
if runtime.GOOS == "darwin" {
f.SetTitleBarButtonsForDarwin()
} else {
f.SetTitleBarButtons()
}
}
func (f *QFramelessWindow) SetupWidgetColor(red uint16, green uint16, blue uint16) {
alpha := f.WindowColorAlpha
f.WindowColor = &RGB{
R: red,
G: green,
B: blue,
}
color := f.WindowColor
// create background-color style text
style := fmt.Sprintf("background-color: rgba(%d, %d, %d, %f);", color.R, color.G, color.B, alpha)
if runtime.GOOS == "darwin" && f.WindowColorAlpha < 1.0 {
style = "background-color: rgba(0, 0, 0, 0);"
}
if runtime.GOOS == "windows" && f.ApplyBlurEffect {
style = "background-color: rgba(0, 0, 0, 0.01);"
}
// create border style text
borderSizeString := fmt.Sprintf("%d", f.borderSize*2) + "px"
borderSizeString2 := fmt.Sprintf("%d", f.borderSize*2+f.windowgap) + "px"
var roundSizeString string
if runtime.GOOS == "linux" {
roundSizeString = fmt.Sprintf("%d", f.borderSize*2) + "px"
} else {
roundSizeString = "0px"
}
if !f.IsBorderless {
roundSizeString = "0px"
}
// apply style
f.WindowWidget.SetStyleSheet(fmt.Sprintf(`
#QFramelessWidget {
border: 0px solid %s;
padding-top: %s; padding-right: %s; padding-bottom: %s; padding-left: %s;
border-radius: %s;
%s;
}`, color.Hex(), borderSizeString, borderSizeString2, borderSizeString, borderSizeString2, roundSizeString, style),
)
if f.IsBorderless {
f.SetStyleMask()
}
if f.ApplyBlurEffect {
f.SetBlurEffectForWin(uintptr(f.WinId()))
}
}
func NewQToolButtonForNotDarwin(parent widgets.QWidget_ITF) *QToolButtonForNotDarwin {
iconSize := 15
marginTB := iconSize / 6
marginLR := 1
if runtime.GOOS == "linux" {
iconSize = 18
marginLR = int(float64(iconSize) / float64(8))
} else {
marginLR = int(float64(iconSize) / float64(2.5))
}
widget := widgets.NewQWidget(parent, 0)
widget.SetSizePolicy2(widgets.QSizePolicy__Fixed, widgets.QSizePolicy__Fixed)
layout := widgets.NewQVBoxLayout2(widget)
layout.SetContentsMargins(marginLR, marginTB, marginLR, marginTB)
icon := svg.NewQSvgWidget(nil)
icon.SetFixedSize2(iconSize, iconSize)
layout.AddWidget(icon, 0, 0)
layout.SetAlignment(icon, core.Qt__AlignCenter)
return &QToolButtonForNotDarwin{
Widget: widget,
IconBtn: icon,
}
}
func (b *QToolButtonForNotDarwin) SetObjectName(name string) {
if runtime.GOOS == "darwin" {
return
}
b.IconBtn.SetObjectName(name)
}
func (b *QToolButtonForNotDarwin) Hide() {
if runtime.GOOS == "darwin" {
return
}
b.Widget.Hide()
}
func (b *QToolButtonForNotDarwin) Show() {
if runtime.GOOS == "darwin" {
return
}
b.Widget.Show()
}
func (b *QToolButtonForNotDarwin) SetStyle(color *RGB) {
var backgroundColor string
if color == nil {
backgroundColor = "background-color:none;"
} else {
hoverColor := color.Brend(b.f.WindowColor, 0.35)
backgroundColor = fmt.Sprintf("background-color: rgba(%d, %d, %d, %f);", hoverColor.R, hoverColor.G, hoverColor.B, b.f.WindowColorAlpha)
}
b.Widget.SetStyleSheet(fmt.Sprintf(`
.QWidget {
%s;
border:none;
}
`, backgroundColor))
}
func (f *QFramelessWindow) SetTitleBarButtons() {
iconSize := 15
f.TitleBarLayout.SetSpacing(1)
f.IconMinimize = NewQToolButtonForNotDarwin(nil)
f.IconMinimize.f = f
f.IconMinimize.IconBtn.SetFixedSize2(iconSize, iconSize)
f.IconMinimize.SetObjectName("IconMinimize")
f.IconMaximize = NewQToolButtonForNotDarwin(nil)
f.IconMaximize.f = f
f.IconMaximize.IconBtn.SetFixedSize2(iconSize, iconSize)
f.IconMaximize.SetObjectName("IconMaximize")
f.IconRestore = NewQToolButtonForNotDarwin(nil)
f.IconRestore.f = f
f.IconRestore.IconBtn.SetFixedSize2(iconSize, iconSize)
f.IconRestore.SetObjectName("IconRestore")
f.IconClose = NewQToolButtonForNotDarwin(nil)
f.IconClose.f = f
f.IconClose.IconBtn.SetFixedSize2(iconSize, iconSize)
f.IconClose.SetObjectName("IconClose")
f.SetIconsStyle(nil)
f.HideButtons()
dummyWidget := widgets.NewQLabel(nil, 0)
dummyWidget.SetFixedWidth(20 * 3)
f.TitleBarLayout.AddWidget(dummyWidget, 0, 0)
f.TitleBarLayout.AddWidget(f.TitleLabel, 3, 0)
f.TitleBarLayout.AddWidget(f.TitleBarBtnWidget, 0, 0)
f.TitleBarBtnLayout.AddWidget(f.IconMinimize.Widget, 0, 0)
f.TitleBarBtnLayout.AddWidget(f.IconMaximize.Widget, 0, 0)
f.TitleBarBtnLayout.AddWidget(f.IconRestore.Widget, 0, 0)
f.TitleBarBtnLayout.AddWidget(f.IconClose.Widget, 0, 0)
f.TitleBarBtnWidget.SetFixedWidth(30 * 3)
f.TitleBarLayout.SetAlignment(f.TitleBarBtnWidget, core.Qt__AlignRight)
f.TitleBarLayout.SetAlignment(f.TitleLabel, core.Qt__AlignCenter)
}
func (f *QFramelessWindow) ShowButtons() {
if runtime.GOOS == "darwin" {
return
}
f.IconMinimize.Show()
f.IconMaximize.Show()
f.IconRestore.Show()
f.IconClose.Show()
}
func (f *QFramelessWindow) HideButtons() {
if runtime.GOOS == "darwin" {
return
}
f.IconMinimize.Hide()
f.IconMaximize.Hide()
f.IconRestore.Hide()
f.IconClose.Hide()
}
func (f *QFramelessWindow) SetIconsStyle(color *RGB) {
for _, b := range []*QToolButtonForNotDarwin{
f.IconMinimize,
f.IconMaximize,
f.IconRestore,
f.IconClose,
} {
b.SetStyle(color)
}
}
func (f *QFramelessWindow) SetTitleBarButtonsForDarwin() {
f.TitleBarLayout.SetContentsMargins(5, 5, 0, 5)
// btnSizePolicy := widgets.NewQSizePolicy2(widgets.QSizePolicy__Fixed, widgets.QSizePolicy__Fixed, widgets.QSizePolicy__ToolButton)
// f.BtnMinimize = widgets.NewQToolButton(f.TitleBarBtnWidget)
// f.BtnMinimize.SetObjectName("BtnMinimize")
// f.BtnMinimize.SetSizePolicy(btnSizePolicy)
// f.BtnMaximize = widgets.NewQToolButton(f.TitleBarBtnWidget)
// f.BtnMaximize.SetObjectName("BtnMaximize")
// f.BtnMaximize.SetSizePolicy(btnSizePolicy)
// f.BtnRestore = widgets.NewQToolButton(f.TitleBarBtnWidget)
// f.BtnRestore.SetObjectName("BtnRestore")
// f.BtnRestore.SetSizePolicy(btnSizePolicy)
// f.BtnRestore.SetVisible(false)
// f.BtnClose = widgets.NewQToolButton(f.TitleBarBtnWidget)
// f.BtnClose.SetObjectName("BtnClose")
// f.BtnClose.SetSizePolicy(btnSizePolicy)
// NOTE: We use native buttons
// dummyWidget := widgets.NewQLabel(nil, 0)
// dummyWidget.SetFixedWidth(20 * 3)
f.TitleBarLayout.SetSpacing(0)
// NOTE: We use native buttons
// f.TitleBarLayout.AddWidget(f.TitleBarBtnWidget, 0, 0)
// f.TitleBarBtnLayout.AddWidget(f.BtnClose, 0, 0)
// f.TitleBarBtnLayout.AddWidget(f.BtnMinimize, 0, 0)
// f.TitleBarBtnLayout.AddWidget(f.BtnMaximize, 0, 0)
// f.TitleBarBtnLayout.AddWidget(f.BtnRestore, 0, 0)
f.TitleBarLayout.AddWidget(f.TitleLabel, 2, 0)
// f.TitleBarLayout.AddWidget(dummyWidget, 0, 0)
// f.TitleBarBtnWidget.SetFixedWidth(20 * 3)
// f.TitleBarLayout.SetAlignment(f.TitleBarBtnWidget, core.Qt__AlignLeft)
// f.TitleBarLayout.SetAlignment(f.TitleLabel, core.Qt__AlignCenter)
}
func (f *QFramelessWindow) SetupAttributes() {
if !(f.WindowColorAlpha < 1.0 || f.ApplyBlurEffect) {
return
}
f.SetAttribute(core.Qt__WA_TranslucentBackground, true)
if runtime.GOOS == "darwin" {
return
}
// f.SetAttribute(core.Qt__WA_NoSystemBackground, true)
f.SetAttribute(core.Qt__WA_Hover, true)
f.SetMouseTracking(true)
}
func (f *QFramelessWindow) SetupWindowFlags() {
defer f.SetStyleMask()
if runtime.GOOS == "darwin" {
return
}
// if runtime.GOOS == "windows" {
// f.SetWindowFlag(core.Qt__Window, true)
// } else {
// f.SetWindowFlag(core.Qt__Window, false)
// }
if f.IsBorderless || f.ApplyBlurEffect {
f.SetWindowFlag(core.Qt__FramelessWindowHint, true)
}
// f.SetWindowFlag(core.Qt__NoDropShadowWindowHint, true)
// f.SetWindowFlag(core.Qt__CustomizeWindowHint, true)
// f.SetWindowFlag(core.Qt__WindowTitleHint, false)
// if runtime.GOOS == "windows" {
// f.SetWindowFlag(core.Qt__WindowMaximizeButtonHint, true)
// }
}
func (f *QFramelessWindow) SetupTitleIcon(filename string) {
// s := 14
// f.TitleIconLabel.SetMaximumWidth(s)
// f.TitleIconLabel.SetMinimumWidth(s)
// pic := gui.NewQPixmap3(filename, "", core.Qt__AutoColor)
// pic = pic.Scaled2(s, s, core.Qt__KeepAspectRatio, core.Qt__SmoothTransformation)
// f.TitleIconLabel.SetPixmap(pic)
// f.TitleLabel.SetFixedWidth(f.TitleStringLabel.FontMetrics().BoundingRect2(f.TitleStringLabel.Text()).Width()+f.TitleIconLabel.Width())
// f.TitleIconLabel.Show()
// f.IsTitleIconShown = true
}
func (f *QFramelessWindow) SetupTitle(title string) {
if !f.IsBorderless {
f.SetWindowTitle(title)
return
}
f.TitleStringLabel.SetText(title)
f.TitleStringLabel.SetFixedWidth(f.TitleStringLabel.FontMetrics().BoundingRect2(title).Width())
f.TitleStringLabel.SetSizePolicy2(widgets.QSizePolicy__Minimum, widgets.QSizePolicy__Minimum)
if f.IsTitleIconShown {
f.TitleLabel.SetFixedWidth(f.TitleStringLabel.FontMetrics().BoundingRect2(title).Width() + f.TitleIconLabel.Width())
} else {
f.TitleLabel.SetFixedWidth(f.TitleStringLabel.FontMetrics().BoundingRect2(title).Width())
}
}
func (f *QFramelessWindow) SetupTitleColor(red uint16, green uint16, blue uint16) {
if !f.IsBorderless {
return
}
f.TitleColor = &RGB{
R: red,
G: green,
B: blue,
}
f.SetupTitleBarColor()
}
func (f *QFramelessWindow) SetupTitleBarColor() {
if !f.IsBorderless {
return
}
var color, labelColor *RGB
brendRatio := 0.0
if f.IsActiveWindow() {
color = f.TitleColor
} else {
brendRatio = 0.15
color = nil
}
labelColor = color
if labelColor == nil {
labelColor = &RGB{
R: 128,
G: 128,
B: 128,
}
}
if runtime.GOOS != "darwin" {
f.TitleLabel.SetStyleSheet(fmt.Sprintf(" * { color: rgb(%d, %d, %d); }", labelColor.R, labelColor.G, labelColor.B))
f.SetupTitleBarColorForNotDarwin(
&RGB{
R: uint16((float64(f.WindowColor.R)*brendRatio + float64(labelColor.R)*(1.0-brendRatio))),
G: uint16((float64(f.WindowColor.G)*brendRatio + float64(labelColor.G)*(1.0-brendRatio))),
B: uint16((float64(f.WindowColor.B)*brendRatio + float64(labelColor.B)*(1.0-brendRatio))),
},
)
} else {
f.TitleLabel.SetStyleSheet(fmt.Sprintf(" * { color: rgb(%d, %d, %d); }", labelColor.R, labelColor.G, labelColor.B))
}
if runtime.GOOS == "linux" {
f.SetupTitleBarActions()
}
}
func (f *QFramelessWindow) SetupTitleBarColorForNotDarwin(color *RGB) {
var SvgMinimize, SvgMaximize, SvgRestore, SvgClose string
var closeColor *RGB
if runtime.GOOS == "windows" {
SvgMinimize = fmt.Sprintf(`
<svg style="width:24px;height:24px" viewBox="0 0 24 24">
<path fill="%s" d="M20,14H4V10H20" />
</svg>
`, color.Hex())
SvgMaximize = fmt.Sprintf(`
<svg style="width:24px;height:24px" viewBox="0 0 24 24">
<path fill="%s" d="M4,4H20V20H4V4M6,8V18H18V8H6Z" />
</svg>
`, color.Hex())
SvgRestore = fmt.Sprintf(`
<svg style="width:24px;height:24px" viewBox="0 0 24 24">
<path fill="%s" d="M4,8H8V4H20V16H16V20H4V8M16,8V14H18V6H10V8H16M6,12V18H14V12H6Z" />
</svg>
`, color.Hex())
SvgClose = fmt.Sprintf(`
<svg style="width:24px;height:24px" viewBox="0 0 24 24">
<path fill="%s" d="M13.46,12L19,17.54V19H17.54L12,13.46L6.46,19H5V17.54L10.54,12L5,6.46V5H6.46L12,10.54L17.54,5H19V6.46L13.46,12Z" />
</svg>
`, color.Hex())
} else {
if f.IsActiveWindow() {
closeColor = &RGB{
R: 232,
G: 96,
B: 50,
}
} else {
closeColor = color
}
SvgMinimize = fmt.Sprintf(`
<svg style="width:24px;height:24px" viewBox="0 0 24 24">
<path fill="%s" d="M17,13H7V11H17M12,2A10,10 0 0,0 2,12A10,10 0 0,0 12,22A10,10 0 0,0 22,12A10,10 0 0,0 12,2Z" />
</svg>
`, color.Hex())
SvgMaximize = fmt.Sprintf(`
<svg style="width:24px;height:24px" viewBox="0 0 24 24">
<path fill="%s" d="M12,2A10,10 0 0,0 2,12A10,10 0 0,0 12,22A10,10 0 0,0 22,12A10,10 0 0,0 12,2Z" />
<g transform="scale(0.6) translate(8,8)">
<path fill="%s" d="M19,3H5C3.89,3 3,3.89 3,5V19A2,2 0 0,0 5,21H19A2,2 0 0,0 21,19V5C21,3.89 20.1,3 19,3M19,5V19H5V5H19Z" />
</g>
</svg>
`, color.Hex(), f.WindowColor.Hex())
SvgRestore = fmt.Sprintf(`
<svg style="width:24px;height:24px" viewBox="0 0 24 24">
<path fill="%s" d="M12,2A10,10 0 0,0 2,12A10,10 0 0,0 12,22A10,10 0 0,0 22,12A10,10 0 0,0 12,2Z" />
<g transform="scale(0.6) translate(8,8)">
<path fill="%s" d="M19,3H5C3.89,3 3,3.89 3,5V19A2,2 0 0,0 5,21H19A2,2 0 0,0 21,19V5C21,3.89 20.1,3 19,3M19,5V19H5V5H19Z" />
</g>
</svg>
`, color.Hex(), f.WindowColor.Hex())
SvgClose = fmt.Sprintf(`
<svg style="width:24px;height:24px" viewBox="0 0 24 24">
<g transform="translate(0,1)">
<path fill="%s" d="M12 2C6.47 2 2 6.47 2 12s4.47 10 10 10 10-4.47 10-10S17.53 2 12 2zm5 13.59L15.59 17 12 13.41 8.41 17 7 15.59 10.59 12 7 8.41 8.41 7 12 10.59 15.59 7 17 8.41 13.41 12 17 15.59z"/><path d="M0 0h24v24H0z" fill="none"/></g></svg>
`, closeColor.Hex())
}
f.IconMinimize.IconBtn.Load2(core.NewQByteArray2(SvgMinimize, len(SvgMinimize)))
f.IconMaximize.IconBtn.Load2(core.NewQByteArray2(SvgMaximize, len(SvgMaximize)))
f.IconRestore.IconBtn.Load2(core.NewQByteArray2(SvgRestore, len(SvgRestore)))
f.IconClose.IconBtn.Load2(core.NewQByteArray2(SvgClose, len(SvgClose)))
if !f.IsMaximized() {
f.IconRestore.Widget.SetVisible(false)
}
}
func (f *QFramelessWindow) SetupContent(layout widgets.QLayout_ITF) {
if f.Content != nil {
f.Content.SetLayout(layout)
} else {
f.WindowWidget.SetLayout(layout)
}
}
func (f *QFramelessWindow) UpdateWidget() {
f.Widget.Update()
f.Update()
}
func (f *QFramelessWindow) SetupWindowActions() {
// Ref: https://stackoverflow.com/questions/5752408/qt-resize-borderless-widget/37507341#37507341
f.ConnectEventFilter(func(watched *core.QObject, event *core.QEvent) bool {
return f.QFramelessDefaultEventFilter(watched, event)
})
}
func (f *QFramelessWindow) QFramelessDefaultEventFilter(watched *core.QObject, event *core.QEvent) bool {
if f.IsBorderless {
switch event.Type() {
case core.QEvent__ActivationChange:
f.SetupTitleBarColor()
case core.QEvent__Resize:
if runtime.GOOS == "darwin" {
f.SetStyleMask()
}
case core.QEvent__WindowStateChange:
if runtime.GOOS == "darwin" {
e := gui.NewQWindowStateChangeEventFromPointer(core.PointerFromQEvent(event))
if e.OldState() == core.Qt__WindowFullScreen {
f.SetStyleMask()
f.ShowTitlebar()
f.ActivateWindow()
}
if f.WindowState() == core.Qt__WindowFullScreen {
f.SetStyleMask()
f.HideTitlebar()
}
}
if runtime.GOOS == "windows" {
// It is a workaround for https://github.com/akiyosi/goneovim/issues/91#issuecomment-587041657
// e := gui.NewQWindowStateChangeEventFromPointer(core.PointerFromQEvent(event))
// if e.OldState() == core.Qt__WindowMinimized {
if f.WindowState() == core.Qt__WindowMinimized {
go func() {
time.Sleep(300 * time.Millisecond)
frameRect := f.WindowWidget.FrameGeometry()
left := 0
top := 0
right := frameRect.Width()
bottom := frameRect.Height()
topLeftPoint := core.NewQPoint2(left, top)
rightBottomPoint := core.NewQPoint2(right, bottom)
f.WindowWidget.SetGeometry(
core.NewQRect2(
topLeftPoint,
rightBottomPoint,
),
)
frameRect = f.WindowWidget.FrameGeometry()
rect := f.FrameGeometry()
frameWidth := frameRect.Width() - rect.Width()
frameHeight := frameRect.Height() - rect.Height()
left = rect.Left() - frameWidth/2
top = rect.Top()
right = rect.Right() + frameWidth/2
bottom = rect.Bottom() + frameHeight
topLeftPoint = core.NewQPoint2(left, top)
rightBottomPoint = core.NewQPoint2(right, bottom)
f.SetGeometry(
core.NewQRect2(
topLeftPoint,
rightBottomPoint,
),
)
}()
}
}
case core.QEvent__HoverMove:
e := gui.NewQMouseEventFromPointer(core.PointerFromQEvent(event))
if runtime.GOOS == "darwin" {
f.showButtonsInDarwin(e.GlobalPos(), f.FrameGeometry())
}
if runtime.GOOS == "windows" {
f.showTitlebarInWindows(e.GlobalPos(), f.FrameGeometry())
}
f.updateCursorShape(e.GlobalPos())
case core.QEvent__Leave:
if runtime.GOOS == "darwin" {
return f.Widget.EventFilter(watched, event)
}
cursor := gui.NewQCursor()
cursor.SetShape(core.Qt__ArrowCursor)
f.SetCursor(cursor)
case core.QEvent__MouseMove:
if runtime.GOOS == "darwin" {
return f.Widget.EventFilter(watched, event)
}
e := gui.NewQMouseEventFromPointer(core.PointerFromQEvent(event))
f.mouseMove(e)
case core.QEvent__MouseButtonPress:
if runtime.GOOS == "darwin" {
return f.Widget.EventFilter(watched, event)
}
e := gui.NewQMouseEventFromPointer(core.PointerFromQEvent(event))
f.mouseButtonPressed(e)
case core.QEvent__MouseButtonRelease:
if runtime.GOOS == "darwin" {
return f.Widget.EventFilter(watched, event)
}
f.isDragStart = false
f.isLeftButtonPressed = false
f.hoverEdge = None
default:
}
}
return f.Widget.EventFilter(watched, event)
}
func (f *QFramelessWindow) showTitlebarInWindows(pos *core.QPoint, rect *core.QRect) {
if !f.IsTitlebarHidden {
return
}
rectShowingButtons := core.NewQRect4(
rect.TopLeft().X(),
rect.TopLeft().Y()+5,
rect.Width(),
30,
)
if rectShowingButtons.Contains(pos, true) {
f.TitleBar.Show()
} else {
f.TitleBar.Hide()
}
}
func (f *QFramelessWindow) showButtonsInDarwin(pos *core.QPoint, rect *core.QRect) {
if !f.IsTitlebarHidden {
return
}
if f.WindowState() == core.Qt__WindowFullScreen {
f.SetNSWindowStyleMask(
true,
f.WindowColor.R, f.WindowColor.G, f.WindowColor.B,
float32(f.WindowColorAlpha),
f.WindowState() == core.Qt__WindowFullScreen,
)
return
}
rectShowingButtons := core.NewQRect4(
rect.TopLeft().X(),
rect.TopLeft().Y()+5,
rect.Width(),
30,
)
if rectShowingButtons.Contains(pos, true) {
f.SetNSWindowStyleMask(
true,
f.WindowColor.R, f.WindowColor.G, f.WindowColor.B,
float32(f.WindowColorAlpha),
f.WindowState() == core.Qt__WindowFullScreen,
)
} else {
f.SetNSWindowStyleMask(
false,
f.WindowColor.R, f.WindowColor.G, f.WindowColor.B,
float32(f.WindowColorAlpha),
f.WindowState() == core.Qt__WindowFullScreen,
)
}
}
func (f *QFramelessWindow) mouseMove(e *gui.QMouseEvent) {
// https://stackoverflow.com/questions/5752408/qt-resize-borderless-widget/37507341
if f.isLeftButtonPressed {
if f.hoverEdge != None {
X := e.GlobalPos().X()
Y := e.GlobalPos().Y()
if f.MousePos[0] == X && f.MousePos[1] == Y {
return
}
f.MousePos[0] = X
f.MousePos[1] = Y
var left, top, right, bottom int
var topLeftPoint, rightBottomPoint *core.QPoint
if runtime.GOOS == "windows" {
// Use tricky workaround only on Windows due to the following issues
// https://github.com/therecipe/qt/issues/938
frameRect := f.WindowWidget.FrameGeometry()
rect := f.FrameGeometry()
frameWidth := frameRect.Width() - rect.Width()
frameHeight := frameRect.Height() - rect.Height()
left = rect.Left() - frameWidth/2
top = rect.Top()
right = rect.Right() + frameWidth/2
bottom = rect.Bottom() + frameHeight
} else {
rect := f.FrameGeometry()
left = rect.Left()
top = rect.Top()
right = rect.Right()
bottom = rect.Bottom()
}
switch f.hoverEdge {
case Top:
top = Y
case Bottom:
bottom = Y
case Left:
left = X
case Right:
right = X
case TopLeft:
top = Y
left = X
case TopRight:
top = Y
right = X
case BottomLeft:
bottom = Y
left = X
case BottomRight:
bottom = Y
right = X
default:
}
topLeftPoint = core.NewQPoint2(left, top)
rightBottomPoint = core.NewQPoint2(right, bottom)
rect := core.NewQRect2(topLeftPoint, rightBottomPoint)
// minimum size
minimumWidth := f.minimumWidth
minimumHeight := f.minimumHeight
if rect.Width() <= minimumWidth {