99 lines
3.4 KiB
C++
99 lines
3.4 KiB
C++
// Copyright (c) Microsoft Corporation.
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// Licensed under the MIT license.
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//
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// TitlebarControl.xaml.cpp
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// Implementation of the TitlebarControl class
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//
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#include "pch.h"
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#include "TitlebarControl.h"
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#include "TitlebarControl.g.cpp"
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namespace winrt::TerminalApp::implementation
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{
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TitlebarControl::TitlebarControl(uint64_t handle) :
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_window{ reinterpret_cast<HWND>(handle) }
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{
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InitializeComponent();
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// Register our event handlers on the MMC buttons.
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MinMaxCloseControl().MinimizeClick({ this, &TitlebarControl::Minimize_Click });
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MinMaxCloseControl().MaximizeClick({ this, &TitlebarControl::Maximize_Click });
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MinMaxCloseControl().CloseClick({ this, &TitlebarControl::Close_Click });
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}
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Windows::UI::Xaml::UIElement TitlebarControl::Content()
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{
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return ContentRoot().Children().Size() > 0 ? ContentRoot().Children().GetAt(0) : nullptr;
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}
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void TitlebarControl::Content(Windows::UI::Xaml::UIElement content)
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{
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ContentRoot().Children().Clear();
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ContentRoot().Children().Append(content);
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}
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void TitlebarControl::Root_SizeChanged(const IInspectable& sender,
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const Windows::UI::Xaml::SizeChangedEventArgs& e)
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{
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const auto windowWidth = ActualWidth();
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const auto minMaxCloseWidth = MinMaxCloseControl().ActualWidth();
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const auto dragBarMinWidth = DragBar().MinWidth();
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const auto maxWidth = windowWidth - minMaxCloseWidth - dragBarMinWidth;
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// Only set our MaxWidth if it's greater than 0. Setting it to a
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// negative value will cause a crash.
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if (maxWidth >= 0)
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{
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ContentRoot().MaxWidth(maxWidth);
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}
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}
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void TitlebarControl::_OnMaximizeOrRestore(byte flag)
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{
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POINT point1 = {};
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::GetCursorPos(&point1);
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const LPARAM lParam = MAKELPARAM(point1.x, point1.y);
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WINDOWPLACEMENT placement = { sizeof(placement) };
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::GetWindowPlacement(_window, &placement);
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if (placement.showCmd == SW_SHOWNORMAL)
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{
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::PostMessage(_window, WM_SYSCOMMAND, SC_MAXIMIZE | flag, lParam);
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}
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else if (placement.showCmd == SW_SHOWMAXIMIZED)
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{
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::PostMessage(_window, WM_SYSCOMMAND, SC_RESTORE | flag, lParam);
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}
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}
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void TitlebarControl::Maximize_Click(winrt::Windows::Foundation::IInspectable const& sender, winrt::Windows::UI::Xaml::RoutedEventArgs const& e)
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{
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_OnMaximizeOrRestore(HTMAXBUTTON);
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}
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void TitlebarControl::DragBar_DoubleTapped(winrt::Windows::Foundation::IInspectable const& sender, winrt::Windows::UI::Xaml::Input::DoubleTappedRoutedEventArgs const& e)
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{
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_OnMaximizeOrRestore(HTCAPTION);
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}
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void TitlebarControl::Minimize_Click(winrt::Windows::Foundation::IInspectable const& sender, winrt::Windows::UI::Xaml::RoutedEventArgs const& e)
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{
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if (_window)
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{
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::PostMessage(_window, WM_SYSCOMMAND, SC_MINIMIZE | HTMINBUTTON, 0);
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}
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}
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void TitlebarControl::Close_Click(winrt::Windows::Foundation::IInspectable const& sender, winrt::Windows::UI::Xaml::RoutedEventArgs const& e)
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{
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::PostQuitMessage(0);
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}
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void TitlebarControl::SetWindowVisualState(WindowVisualState visualState)
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{
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MinMaxCloseControl().SetWindowVisualState(visualState);
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}
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}
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