app: add support to hidden minimize and maximize buttons on macos and …

app/os.go

@@ -45,6 +45,12 @@ type Config struct {
 	CustomRenderer bool
 	// Decorated reports whether window decorations are provided automatically.
 	Decorated bool
+
+	// HiddenMinimizeButton hide the window's minimize button (only works for windows and macOS)
+	HiddenMinimizeButton bool
+	// HiddenMaximizeButton hide the window's maximize button (only works for windows and macOS)
+	HiddenMaximizeButton bool
+
 	// Focused reports whether has the keyboard focus.
 	Focused bool
 	// decoHeight is the height of the fallback decoration for platforms such
@@ -176,6 +182,8 @@ type context interface {
 // driver is the interface for the platform implementation
 // of a window.
 type driver interface {
+	// DriverName get driver anme
+	DriverName() string
 	// Event blocks until an event is available and returns it.
 	Event() event.Event
 	// Invalidate requests a FrameEvent.

app/os_android.go

@@ -679,6 +679,10 @@ func (w *window) processEvent(e event.Event) bool {
 	return true
 }
 
+func (w *window) DriverName() string {
+	return "android"
+}
+
 func (w *window) Event() event.Event {
 	return w.loop.Event()
 }

app/os_ios.go

@@ -375,6 +375,10 @@ func (w *window) ProcessEvent(e event.Event) {
 	w.loop.FlushEvents()
 }
 
+func (w *window) DriverName() string {
+	return "ios"
+}
+
 func (w *window) Event() event.Event {
 	return w.loop.Event()
 }

app/os_js.go

@@ -372,6 +372,10 @@ func (w *window) processEvent(e event.Event) bool {
 	return true
 }
 
+func (w *window) DriverName() string {
+	return "js"
+}
+
 func (w *window) Event() event.Event {
 	for {
 		evt, ok := w.w.nextEvent()

app/os_macos.go

@@ -469,8 +469,11 @@ func (w *window) Configure(options []Option) {
 	C.setWindowTitleVisibility(window, titleVis)
 	C.setWindowStyleMask(window, mask)
 	C.setWindowStandardButtonHidden(window, C.NSWindowCloseButton, barTrans)
-	C.setWindowStandardButtonHidden(window, C.NSWindowMiniaturizeButton, barTrans)
-	C.setWindowStandardButtonHidden(window, C.NSWindowZoomButton, barTrans)
+	// no decorated or hide minimize and maximize buttons
+	w.config.HiddenMinimizeButton = cnf.HiddenMinimizeButton
+	w.config.HiddenMaximizeButton = cnf.HiddenMaximizeButton
+	C.setWindowStandardButtonHidden(window, C.NSWindowMiniaturizeButton, toInt(!cnf.Decorated || cnf.HiddenMinimizeButton))
+	C.setWindowStandardButtonHidden(window, C.NSWindowZoomButton, toInt(!cnf.Decorated || cnf.HiddenMaximizeButton))
 	// When toggling the titlebar, the layer doesn't update its frame
 	// until the next resize. Force it.
 	C.resetLayerFrame(w.view)
@@ -835,6 +838,10 @@ func (w *window) ProcessEvent(e event.Event) {
 	w.loop.FlushEvents()
 }
 
+func (w *window) DriverName() string {
+	return "macos"
+}
+
 func (w *window) Event() event.Event {
 	return w.loop.Event()
 }
@@ -1041,6 +1048,14 @@ func convertMods(mods C.NSUInteger) key.Modifiers {
 	return kmods
 }
 
+// toInt golang bool to C.int
+func toInt(v bool) C.int {
+	if v {
+		return C.int(C.YES)
+	}
+	return C.int(C.NO)
+}
+
 func (AppKitViewEvent) implementsViewEvent() {}
 func (AppKitViewEvent) ImplementsEvent()     {}
 func (a AppKitViewEvent) Valid() bool {

app/os_wayland.go

@@ -1393,6 +1393,10 @@ func (w *window) ProcessEvent(e event.Event) {
 	w.w.ProcessEvent(e)
 }
 
+func (w *window) DriverName() string {
+	return "wayland"
+}
+
 func (w *window) Event() event.Event {
 	for {
 		evt, ok := w.w.nextEvent()

app/os_windows.go

@@ -606,6 +606,10 @@ func (w *window) ProcessEvent(e event.Event) {
 	w.loop.FlushEvents()
 }
 
+func (w *window) DriverName() string {
+	return "windows"
+}
+
 func (w *window) Event() event.Event {
 	return w.loop.Event()
 }
@@ -747,6 +751,16 @@ func (w *window) Configure(options []Option) {
 		swpStyle |= windows.SWP_NOMOVE | windows.SWP_NOSIZE
 		showMode = windows.SW_SHOWMAXIMIZED
 	}
+	if w.config.HiddenMinimizeButton {
+		style &^= windows.WS_MINIMIZEBOX
+	} else {
+		style |= windows.WS_MINIMIZEBOX
+	}
+	if w.config.HiddenMaximizeButton {
+		style &^= windows.WS_MAXIMIZEBOX
+	} else {
+		style |= windows.WS_MAXIMIZEBOX
+	}
 	windows.SetWindowLong(w.hwnd, windows.GWL_STYLE, style)
 	windows.SetWindowPos(w.hwnd, 0, x, y, width, height, swpStyle)
 	windows.ShowWindow(w.hwnd, showMode)

app/os_x11.go

@@ -383,6 +383,10 @@ func (w *x11Window) ProcessEvent(e event.Event) {
 	w.w.ProcessEvent(e)
 }
 
+func (w *x11Window) DriverName() string {
+	return "x11"
+}
+
 func (w *x11Window) shutdown(err error) {
 	w.ProcessEvent(X11ViewEvent{})
 	w.ProcessEvent(DestroyEvent{Err: err})

app/window.go

@@ -272,6 +272,14 @@ func (w *Window) updateState() {
 	w.updateAnimation()
 }
 
+// DriverName get driver name
+func (w *Window) DriverName() string {
+	if w.driver == nil {
+		return ""
+	}
+	return w.driver.DriverName()
+}
+
 // Invalidate the window such that a [FrameEvent] will be generated immediately.
 // If the window is inactive, an unspecified event is sent instead.
 //
@@ -970,6 +978,20 @@ func Decorated(enabled bool) Option {
 	}
 }
 
+// HiddenMinimizeButton controls whether show minimize button on macos and windows
+func HiddenMinimizeButton(hidden bool) Option {
+	return func(_ unit.Metric, cnf *Config) {
+		cnf.HiddenMinimizeButton = hidden
+	}
+}
+
+// HiddenMaximizeButton controls whether show maximize button on macos and windows
+func HiddenMaximizeButton(hidden bool) Option {
+	return func(_ unit.Metric, cnf *Config) {
+		cnf.HiddenMaximizeButton = hidden
+	}
+}
+
 // flushEvent is sent to detect when the user program
 // has completed processing of all prior events. Its an
 // [io/event.Event] but only for internal use.