terminal/src/cascadia/TerminalApp/MinMaxCloseControl.cpp
2021-11-24 22:22:14 +01:00

99 lines
3.7 KiB
C++

// Copyright (c) Microsoft Corporation.
// Licensed under the MIT license.
//
// MinMaxCloseControl.xaml.cpp
// Implementation of the MinMaxCloseControl class
//
#include "pch.h"
#include "MinMaxCloseControl.h"
#include "MinMaxCloseControl.g.cpp"
#include <LibraryResources.h>
using namespace winrt::Windows::UI::Xaml;
namespace winrt::TerminalApp::implementation
{
MinMaxCloseControl::MinMaxCloseControl()
{
InitializeComponent();
}
// These event handlers simply forward each buttons click events up to the
// events we've exposed.
void MinMaxCloseControl::_MinimizeClick(winrt::Windows::Foundation::IInspectable const& /*sender*/,
RoutedEventArgs const& e)
{
_MinimizeClickHandlers(*this, e);
}
void MinMaxCloseControl::_MaximizeClick(winrt::Windows::Foundation::IInspectable const& /*sender*/,
RoutedEventArgs const& e)
{
_MaximizeClickHandlers(*this, e);
}
void MinMaxCloseControl::_CloseClick(winrt::Windows::Foundation::IInspectable const& /*sender*/,
RoutedEventArgs const& e)
{
_CloseClickHandlers(*this, e);
}
void MinMaxCloseControl::SetWindowVisualState(WindowVisualState visualState)
{
// Look up the heights we should use for the caption buttons from our
// XAML resources. "CaptionButtonHeightWindowed" and
// "CaptionButtonHeightMaximized" define the size we should use for the
// caption buttons height for the windowed and maximized states,
// respectively.
//
// use C++11 magic statics to make sure we only do this once.
static auto heights = [this]() {
const auto res = Resources();
const auto windowedHeightKey = winrt::box_value(L"CaptionButtonHeightWindowed");
const auto maximizedHeightKey = winrt::box_value(L"CaptionButtonHeightMaximized");
auto windowedHeight = 0.0;
auto maximizedHeight = 0.0;
if (res.HasKey(windowedHeightKey))
{
const auto valFromResources = res.Lookup(windowedHeightKey);
windowedHeight = winrt::unbox_value_or<double>(valFromResources, 0.0);
}
if (res.HasKey(maximizedHeightKey))
{
const auto valFromResources = res.Lookup(maximizedHeightKey);
maximizedHeight = winrt::unbox_value_or<double>(valFromResources, 0.0);
}
return std::tuple<double, double>{ windowedHeight, maximizedHeight };
}();
static const auto windowedHeight = std::get<0>(heights);
static const auto maximizedHeight = std::get<1>(heights);
switch (visualState)
{
case WindowVisualState::WindowVisualStateMaximized:
VisualStateManager::GoToState(MaximizeButton(), L"WindowStateMaximized", false);
MinimizeButton().Height(maximizedHeight);
MaximizeButton().Height(maximizedHeight);
CloseButton().Height(maximizedHeight);
MaximizeToolTip().Text(RS_(L"WindowRestoreDownButtonToolTip"));
break;
case WindowVisualState::WindowVisualStateNormal:
case WindowVisualState::WindowVisualStateIconified:
default:
VisualStateManager::GoToState(MaximizeButton(), L"WindowStateNormal", false);
MinimizeButton().Height(windowedHeight);
MaximizeButton().Height(windowedHeight);
CloseButton().Height(windowedHeight);
MaximizeToolTip().Text(RS_(L"WindowMaximizeButtonToolTip"));
break;
}
}
}