Allow different custom window title styles.

ui/platform/mac/ui_window_title_mac.h

@@ -12,6 +12,10 @@
 #include <QtCore/QRect>
 #include <QtCore/QPoint>
 
+namespace style {
+struct WindowTitle;
+} // namespace style
+
 namespace Ui {
 
 class PlainShadow;
@@ -23,6 +27,7 @@ public:
 	TitleWidget(not_null<RpWidget*> parent, int height);
 
 	void setText(const QString &text);
+	void setStyle(const style::WindowTitle &st);
 	[[nodiscard]] QString text() const;
 
 protected:
@@ -35,6 +40,7 @@ private:
 
 	void init(int height);
 
+	not_null<const style::WindowTitle*> _st;
 	object_ptr<Ui::PlainShadow> _shadow;
 	QString _text;
 	QFont _font;

ui/platform/mac/ui_window_title_mac.mm

@@ -21,6 +21,7 @@ namespace Platform {
 
 TitleWidget::TitleWidget(not_null<RpWidget*> parent, int height)
 : RpWidget(parent)
+, _st(&st::defaultWindowTitle)
 , _shadow(this, st::titleShadow) {
 	init(height);
 }
@@ -32,6 +33,11 @@ void TitleWidget::setText(const QString &text) {
 	}
 }
 
+void TitleWidget::setStyle(const style::WindowTitle &st) {
+	_st = &st;
+	update();
+}
+
 QString TitleWidget::text() const {
 	return _text;
 }
@@ -45,7 +51,7 @@ void TitleWidget::init(int height) {
 
 	window()->widthValue(
 	) | rpl::start_with_next([=](int width) {
-		setGeometry(0, 0, width, st::titleHeight);
+		setGeometry(0, 0, width, height);
 	}, lifetime());
 
 	const auto families = QStringList{
@@ -70,10 +76,10 @@ void TitleWidget::paintEvent(QPaintEvent *e) {
 	QPainter p(this);
 
 	const auto active = isActiveWindow();
-	p.fillRect(rect(), active ? st::titleBgActive : st::titleBg);
+	p.fillRect(rect(), active ? _st->bgActive : _st->bg);
 
 	p.setFont(_font);
-	p.setPen(active ? st::titleFgActive : st::titleFg);
+	p.setPen(active ? _st->fgActive : _st->fg);
 	p.drawText(rect(), _text, style::al_center);
 }
 

ui/platform/ui_platform_window.h

@@ -6,6 +6,10 @@
 //
 #pragma once
 
+namespace style {
+struct WindowTitle;
+} // namespace style
+
 namespace Ui {
 
 class RpWidget;
@@ -16,6 +20,7 @@ class BasicWindowHelper {
 public:
 	[[nodiscard]] virtual not_null<RpWidget*> body() = 0;
 	virtual void setTitle(const QString &title) = 0;
+	virtual void setTitleStyle(const style::WindowTitle &st) = 0;
 	virtual void setMinimumSize(QSize size) = 0;
 	virtual void setFixedSize(QSize size) = 0;
 	virtual void setGeometry(QRect rect) = 0;

ui/platform/win/ui_window_shadow_win.cpp

@@ -545,7 +545,7 @@ LRESULT WindowShadow::windowCallback(
 
 	case WM_NCHITTEST: {
 		if (!_resizeEnabled) {
-			return HTTRANSPARENT;
+			return HTNOWHERE;
 		}
 		const auto xPos = GET_X_LPARAM(lParam);
 		const auto yPos = GET_Y_LPARAM(lParam);

ui/platform/win/ui_window_title_win.cpp

@@ -21,9 +21,10 @@ namespace Platform {
 
 TitleWidget::TitleWidget(not_null<RpWidget*> parent)
 : RpWidget(parent)
-, _minimize(this, st::titleButtonMinimize)
+, _st(&st::defaultWindowTitle)
-, _maximizeRestore(this, st::titleButtonMaximize)
+, _minimize(this, _st->minimize)
-, _close(this, st::titleButtonClose)
+, _maximizeRestore(this, _st->maximize)
+, _close(this, _st->close)
 , _shadow(this, st::titleShadow)
 , _maximizedState(parent->windowState() & Qt::WindowMaximized)
 , _activeState(parent->isActiveWindow()) {
@@ -34,6 +35,13 @@ void TitleWidget::setText(const QString &text) {
 	window()->setWindowTitle(text);
 }
 
+void TitleWidget::setStyle(const style::WindowTitle &st) {
+	_st = &st;
+	setGeometry(0, 0, window()->width(), _st->height);
+	updateButtonsState();
+	update();
+}
+
 not_null<RpWidget*> TitleWidget::window() const {
 	return static_cast<RpWidget*>(parentWidget());
 }
@@ -66,7 +74,7 @@ void TitleWidget::init() {
 
 	window()->widthValue(
 	) | rpl::start_with_next([=](int width) {
-		setGeometry(0, 0, width, st::titleHeight);
+		setGeometry(0, 0, width, _st->height);
 	}, lifetime());
 
 	window()->createWinId();
@@ -84,7 +92,7 @@ void TitleWidget::paintEvent(QPaintEvent *e) {
 		_activeState = active;
 		updateButtonsState();
 	}
-	QPainter(this).fillRect(e->rect(), active ? st::titleBgActive : st::titleBg);
+	QPainter(this).fillRect(e->rect(), active ? _st->bgActive : _st->bg);
 }
 
 void TitleWidget::updateControlsPosition() {
@@ -120,35 +128,35 @@ void TitleWidget::handleWindowStateChanged(Qt::WindowState state) {
 
 void TitleWidget::updateButtonsState() {
 	const auto minimize = _activeState
-		? &st::titleButtonMinimizeIconActive
+		? &_st->minimizeIconActive
-		: nullptr;
+		: &_st->minimize.icon;
 	const auto minimizeOver = _activeState
-		? &st::titleButtonMinimizeIconActiveOver
+		? &_st->minimizeIconActiveOver
-		: nullptr;
+		: &_st->minimize.iconOver;
 	_minimize->setIconOverride(minimize, minimizeOver);
 	if (_maximizedState) {
 		const auto restore = _activeState
-			? &st::titleButtonRestoreIconActive
+			? &_st->restoreIconActive
-			: &st::titleButtonRestoreIcon;
+			: &_st->restoreIcon;
 		const auto restoreOver = _activeState
-			? &st::titleButtonRestoreIconActiveOver
+			? &_st->restoreIconActiveOver
-			: &st::titleButtonRestoreIconOver;
+			: &_st->restoreIconOver;
 		_maximizeRestore->setIconOverride(restore, restoreOver);
 	} else {
 		const auto maximize = _activeState
-			? &st::titleButtonMaximizeIconActive
+			? &_st->maximizeIconActive
-			: nullptr;
+			: &_st->maximize.icon;
 		const auto maximizeOver = _activeState
-			? &st::titleButtonMaximizeIconActiveOver
+			? &_st->maximizeIconActiveOver
-			: nullptr;
+			: &_st->maximize.iconOver;
 		_maximizeRestore->setIconOverride(maximize, maximizeOver);
 	}
 	const auto close = _activeState
-		? &st::titleButtonCloseIconActive
+		? &_st->closeIconActive
-		: nullptr;
+		: &_st->close.icon;
 	const auto closeOver = _activeState
-		? &st::titleButtonCloseIconActiveOver
+		? &_st->closeIconActiveOver
-		: nullptr;
+		: &_st->close.iconOver;
 	_close->setIconOverride(close, closeOver);
 }
 

ui/platform/win/ui_window_title_win.h

@@ -12,6 +12,10 @@
 #include <QtCore/QRect>
 #include <QtCore/QPoint>
 
+namespace style {
+struct WindowTitle;
+} // namespace style
+
 namespace Ui {
 
 class IconButton;
@@ -39,6 +43,7 @@ public:
 	explicit TitleWidget(not_null<RpWidget*> parent);
 
 	void setText(const QString &text);
+	void setStyle(const style::WindowTitle &st);
 	[[nodiscard]] HitTestResult hitTest(QPoint point) const;
 	void setResizeEnabled(bool enabled);
 
@@ -55,6 +60,8 @@ private:
 	void updateButtonsState();
 	void updateControlsPosition();
 
+	not_null<const style::WindowTitle*> _st;
+
 	object_ptr<Ui::IconButton> _minimize;
 	object_ptr<Ui::IconButton> _maximizeRestore;
 	object_ptr<Ui::IconButton> _close;

ui/platform/win/ui_window_win.cpp

@@ -99,6 +99,10 @@ void WindowHelper::setTitle(const QString &title) {
 	_window->setWindowTitle(title);
 }
 
+void WindowHelper::setTitleStyle(const style::WindowTitle &st) {
+	_title->setStyle(st);
+}
+
 void WindowHelper::setMinimumSize(QSize size) {
 	_window->setMinimumSize(size.width(), _title->height() + size.height());
 }

ui/platform/win/ui_window_win.h

@@ -23,6 +23,7 @@ public:
 
 	not_null<RpWidget*> body() override;
 	void setTitle(const QString &title) override;
+	void setTitleStyle(const style::WindowTitle &st) override;
 	void setMinimumSize(QSize size) override;
 	void setFixedSize(QSize size) override;
 	void setGeometry(QRect rect) override;

ui/widgets/widgets.style

@@ -523,6 +523,27 @@ PassportScanRow {
 	restore: RoundButton;
 }
 
+WindowTitle {
+	height: pixels;
+	bg: color;
+	bgActive: color;
+	fg: color;
+	fgActive: color;
+	minimize: IconButton;
+	minimizeIconActive: icon;
+	minimizeIconActiveOver: icon;
+	maximize: IconButton;
+	maximizeIconActive: icon;
+	maximizeIconActiveOver: icon;
+	restoreIcon: icon;
+	restoreIconOver: icon;
+	restoreIconActive: icon;
+	restoreIconActiveOver: icon;
+	close: IconButton;
+	closeIconActive: icon;
+	closeIconActiveOver: icon;
+}
+
 defaultLabelSimple: LabelSimple {
 	font: normalFont;
 	maxWidth: 0px;
@@ -1164,11 +1185,22 @@ backButton: IconButton(defaultIconButton) {
 
 // Windows specific title
 
-titleHeight: 21px;
+windowTitleButton: IconButton {
-titleButtonMinimize: IconButton {
 	width: 24px;
 	height: 21px;
+	iconPosition: point(0px, 0px);
+}
+windowTitleButtonClose: IconButton(windowTitleButton) {
+	width: 25px;
+}
 
+defaultWindowTitle: WindowTitle {
+	height: 21px;
+	bg: titleBg;
+	bgActive: titleBgActive;
+	fg: titleFg;
+	fgActive: titleFgActive;
+	minimize: IconButton(windowTitleButton) {
 		icon: icon {
 			{ size(24px, 21px), titleButtonBg },
 			{ "title_button_minimize", titleButtonFg, point(4px, 4px) },
@@ -1177,17 +1209,16 @@ titleButtonMinimize: IconButton {
 			{ size(24px, 21px), titleButtonBgOver },
 			{ "title_button_minimize", titleButtonFgOver, point(4px, 4px) },
 		};
-	iconPosition: point(0px, 0px);
 	}
-titleButtonMinimizeIconActive: icon {
+	minimizeIconActive: icon {
 		{ size(24px, 21px), titleButtonBgActive },
 		{ "title_button_minimize", titleButtonFgActive, point(4px, 4px) },
 	};
-titleButtonMinimizeIconActiveOver: icon {
+	minimizeIconActiveOver: icon {
 		{ size(24px, 21px), titleButtonBgActiveOver },
 		{ "title_button_minimize", titleButtonFgActiveOver, point(4px, 4px) },
 	};
-titleButtonMaximize: IconButton(titleButtonMinimize) {
+	maximize: IconButton(windowTitleButton) {
 		icon: icon {
 			{ size(24px, 21px), titleButtonBg },
 			{ "title_button_maximize", titleButtonFg, point(4px, 4px) },
@@ -1197,33 +1228,31 @@ titleButtonMaximize: IconButton(titleButtonMinimize) {
 			{ "title_button_maximize", titleButtonFgOver, point(4px, 4px) },
 		};
 	}
-titleButtonMaximizeIconActive: icon {
+	maximizeIconActive: icon {
 		{ size(24px, 21px), titleButtonBgActive },
 		{ "title_button_maximize", titleButtonFgActive, point(4px, 4px) },
 	};
-titleButtonMaximizeIconActiveOver: icon {
+	maximizeIconActiveOver: icon {
 		{ size(24px, 21px), titleButtonBgActiveOver },
 		{ "title_button_maximize", titleButtonFgActiveOver, point(4px, 4px) },
 	};
-titleButtonRestoreIcon: icon {
+	restoreIcon: icon {
 		{ size(24px, 21px), titleButtonBg },
 		{ "title_button_restore", titleButtonFg, point(4px, 4px) },
 	};
-titleButtonRestoreIconOver: icon {
+	restoreIconOver: icon {
 		{ size(24px, 21px), titleButtonBgOver },
 		{ "title_button_restore", titleButtonFgOver, point(4px, 4px) },
 	};
-titleButtonRestoreIconActive: icon {
+	restoreIconActive: icon {
 		{ size(24px, 21px), titleButtonBgActive },
 		{ "title_button_restore", titleButtonFgActive, point(4px, 4px) },
 	};
-titleButtonRestoreIconActiveOver: icon {
+	restoreIconActiveOver: icon {
 		{ size(24px, 21px), titleButtonBgActiveOver },
 		{ "title_button_restore", titleButtonFgActiveOver, point(4px, 4px) },
 	};
-titleButtonClose: IconButton(titleButtonMinimize) {
+	close: IconButton(windowTitleButtonClose) {
-	width: 25px;
-
 		icon: icon {
 			{ size(25px, 21px), titleButtonCloseBg },
 			{ "title_button_close", titleButtonCloseFg, point(5px, 4px) },
@@ -1233,14 +1262,15 @@ titleButtonClose: IconButton(titleButtonMinimize) {
 			{ "title_button_close", titleButtonCloseFgOver, point(5px, 4px) },
 		};
 	}
-titleButtonCloseIconActive: icon {
+	closeIconActive: icon {
 		{ size(25px, 21px), titleButtonCloseBgActive },
 		{ "title_button_close", titleButtonCloseFgActive, point(5px, 4px) },
 	};
-titleButtonCloseIconActiveOver: icon {
+	closeIconActiveOver: icon {
 		{ size(25px, 21px), titleButtonCloseBgActiveOver },
 		{ "title_button_close", titleButtonCloseFgActiveOver, point(5px, 4px) },
 	};
+}
 
 windowShadow: icon {{ "window_shadow", windowShadowFg }};
 windowShadowShift: 1px;

ui/widgets/window.cpp

@@ -34,6 +34,12 @@ void Window::setTitle(const QString &title) {
 	}
 }
 
+void Window::setTitleStyle(const style::WindowTitle &st) {
+	if (_helper) {
+		_helper->setTitleStyle(st);
+	}
+}
+
 void Window::setMinimumSize(QSize size) {
 	if (_helper) {
 		_helper->setMinimumSize(size);

ui/widgets/window.h

@@ -8,6 +8,10 @@
 
 #include "ui/rp_widget.h"
 
+namespace style {
+struct WindowTitle;
+} // namespace style
+
 namespace Ui {
 namespace Platform {
 class BasicWindowHelper;
@@ -22,6 +26,7 @@ public:
 	[[nodiscard]] not_null<const RpWidget*> body() const;
 
 	void setTitle(const QString &title);
+	void setTitleStyle(const style::WindowTitle &st);
 	void setMinimumSize(QSize size);
 	void setFixedSize(QSize size);
 	void setGeometry(QRect rect);