136 lines
		
	
	
	
		
			3.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			136 lines
		
	
	
	
		
			3.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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| This file is part of Telegram Desktop,
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| the official desktop application for the Telegram messaging service.
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| 
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| For license and copyright information please follow this link:
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| https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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| */
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| #include "platform/win/window_title_win.h"
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| 
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| #include "ui/widgets/buttons.h"
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| #include "ui/widgets/shadow.h"
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| #include "styles/style_window.h"
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| 
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| #include <QtGui/QWindow>
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| 
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| namespace Platform {
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| 
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| TitleWidget::TitleWidget(QWidget *parent)
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| : Window::TitleWidget(parent)
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| , _st(st::defaultWindowTitle)
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| , _minimize(this, _st.minimize)
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| , _maximizeRestore(this, _st.maximize)
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| , _close(this, _st.close)
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| , _shadow(this, st::titleShadow)
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| , _maximizedState(parent->window()->windowState() & Qt::WindowMaximized) {
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| 	_minimize->setClickedCallback([=] {
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| 		window()->setWindowState(
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| 			window()->windowState() | Qt::WindowMinimized);
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| 		_minimize->clearState();
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| 	});
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| 	_minimize->setPointerCursor(false);
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| 	_maximizeRestore->setClickedCallback([=] {
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| 		window()->setWindowState(_maximizedState
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| 			? Qt::WindowNoState
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| 			: Qt::WindowMaximized);
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| 		_maximizeRestore->clearState();
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| 	});
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| 	_maximizeRestore->setPointerCursor(false);
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| 	_close->setClickedCallback([=] {
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| 		window()->close();
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| 		_close->clearState();
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| 	});
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| 	_close->setPointerCursor(false);
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| 
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| 	setAttribute(Qt::WA_OpaquePaintEvent);
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| 	resize(width(), _st.height);
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| }
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| 
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| void TitleWidget::init() {
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| 	connect(
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| 		window()->windowHandle(),
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| 		&QWindow::windowStateChanged,
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| 		this,
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| 		[=](Qt::WindowState state) { windowStateChanged(state); });
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| 	_maximizedState = (window()->windowState() & Qt::WindowMaximized);
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| 	_activeState = isActiveWindow();
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| 	updateButtonsState();
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| }
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| 
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| void TitleWidget::paintEvent(QPaintEvent *e) {
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| 	auto active = isActiveWindow();
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| 	if (_activeState != active) {
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| 		_activeState = active;
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| 		updateButtonsState();
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| 	}
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| 	Painter(this).fillRect(rect(), active ? _st.bgActive : _st.bg);
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| }
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| 
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| void TitleWidget::updateControlsPosition() {
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| 	auto right = 0;
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| 	_close->moveToRight(right, 0); right += _close->width();
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| 	_maximizeRestore->moveToRight(right, 0); right += _maximizeRestore->width();
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| 	_minimize->moveToRight(right, 0);
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| }
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| 
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| void TitleWidget::resizeEvent(QResizeEvent *e) {
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| 	updateControlsPosition();
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| 	_shadow->setGeometry(0, height() - st::lineWidth, width(), st::lineWidth);
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| }
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| 
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| void TitleWidget::windowStateChanged(Qt::WindowState state) {
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| 	if (state == Qt::WindowMinimized) {
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| 		return;
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| 	}
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| 
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| 	const auto maximized = (state == Qt::WindowMaximized);
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| 	if (_maximizedState != maximized) {
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| 		_maximizedState = maximized;
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| 		updateButtonsState();
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| 	}
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| }
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| 
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| void TitleWidget::updateButtonsState() {
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| 	_minimize->setIconOverride(_activeState
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| 		? &_st.minimizeIconActive
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| 		: nullptr,
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| 		_activeState
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| 		? &_st.minimizeIconActiveOver
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| 		: nullptr);
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| 	if (_maximizedState) {
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| 		_maximizeRestore->setIconOverride(
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| 			_activeState
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| 			? &_st.restoreIconActive : &_st.restoreIcon,
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| 			_activeState
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| 			? &_st.restoreIconActiveOver
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| 			: &_st.restoreIconOver);
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| 	} else {
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| 		_maximizeRestore->setIconOverride(_activeState
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| 			? &_st.maximizeIconActive
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| 			: nullptr,
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| 			_activeState
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| 			? &_st.maximizeIconActiveOver
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| 			: nullptr);
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| 	}
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| 	_close->setIconOverride(_activeState
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| 		? &_st.closeIconActive
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| 		: nullptr,
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| 		_activeState
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| 		? &_st.closeIconActiveOver
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| 		: nullptr);
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| }
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| 
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| Window::HitTestResult TitleWidget::hitTest(const QPoint &p) const {
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| 	if (false
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| 		|| (_minimize->geometry().contains(p))
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| 		|| (_maximizeRestore->geometry().contains(p))
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| 		|| (_close->geometry().contains(p))
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| 	) {
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| 		return Window::HitTestResult::SysButton;
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| 	} else if (rect().contains(p)) {
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| 		return Window::HitTestResult::Caption;
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| 	}
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| 	return Window::HitTestResult::None;
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| }
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| 
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| } // namespace Platform
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