1258 lines
50 KiB
C++
1258 lines
50 KiB
C++
// Copyright (c) Microsoft Corporation.
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// Licensed under the MIT license.
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#include "pch.h"
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#include "App.h"
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#include <shellapi.h>
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#include <filesystem>
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#include <winrt/Microsoft.UI.Xaml.XamlTypeInfo.h>
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#include <winrt/Windows.ApplicationModel.Resources.h>
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#include "App.g.cpp"
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using namespace winrt::Windows::ApplicationModel::DataTransfer;
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using namespace winrt::Windows::UI::Xaml;
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using namespace winrt::Windows::UI::Text;
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using namespace winrt::Windows::UI::Core;
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using namespace winrt::Windows::System;
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using namespace winrt::Microsoft::Terminal;
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using namespace winrt::Microsoft::Terminal::Settings;
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using namespace winrt::Microsoft::Terminal::TerminalControl;
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using namespace ::TerminalApp;
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// Note: Generate GUID using TlgGuid.exe tool
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TRACELOGGING_DEFINE_PROVIDER(
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g_hTerminalAppProvider,
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"Microsoft.Windows.Terminal.App",
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// {24a1622f-7da7-5c77-3303-d850bd1ab2ed}
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(0x24a1622f, 0x7da7, 0x5c77, 0x33, 0x03, 0xd8, 0x50, 0xbd, 0x1a, 0xb2, 0xed),
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TraceLoggingOptionMicrosoftTelemetry());
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namespace winrt
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{
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namespace MUX = Microsoft::UI::Xaml;
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using IInspectable = Windows::Foundation::IInspectable;
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}
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namespace winrt::TerminalApp::implementation
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{
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App::App() :
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App(winrt::TerminalApp::XamlMetaDataProvider())
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{
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}
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App::App(Windows::UI::Xaml::Markup::IXamlMetadataProvider const& parentProvider) :
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base_type(parentProvider),
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_settings{},
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_tabs{},
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_loadedInitialSettings{ false },
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_settingsLoadedResult{ S_OK },
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_dialogLock{}
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{
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// For your own sanity, it's better to do setup outside the ctor.
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// If you do any setup in the ctor that ends up throwing an exception,
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// then it might look like App just failed to activate, which will
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// cause you to chase down the rabbit hole of "why is App not
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// registered?" when it definitely is.
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}
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// Method Description:
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// - Build the UI for the terminal app. Before this method is called, it
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// should not be assumed that the TerminalApp is usable. The Settings
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// should be loaded before this is called, either with LoadSettings or
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// GetLaunchDimensions (which will call LoadSettings)
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// Arguments:
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// - <none>
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// Return Value:
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// - <none>
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void App::Create()
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{
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// Assert that we've already loaded our settings. We have to do
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// this as a MTA, before the app is Create()'d
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WINRT_ASSERT(_loadedInitialSettings);
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TraceLoggingRegister(g_hTerminalAppProvider);
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_Create();
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}
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App::~App()
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{
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TraceLoggingUnregister(g_hTerminalAppProvider);
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}
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// Method Description:
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// - Create all of the initial UI elements of the Terminal app.
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// * Creates the tab bar, initially hidden.
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// * Creates the tab content area, which is where we'll display the tabs/panes.
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// * Initializes the first terminal control, using the default profile,
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// and adds it to our list of tabs.
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void App::_Create()
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{
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_tabView = MUX::Controls::TabView{};
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_tabView.SelectionChanged({ this, &App::_OnTabSelectionChanged });
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_tabView.TabClosing({ this, &App::_OnTabClosing });
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_tabView.Items().VectorChanged({ this, &App::_OnTabItemsChanged });
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_root = Controls::Grid{};
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_tabRow = Controls::Grid{};
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_tabRow.Name(L"Tab Row");
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_tabContent = Controls::Grid{};
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_tabContent.Name(L"Tab Content");
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// Set up two columns in the tabs row - one for the tabs themselves, and
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// another for the settings button.
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auto tabsColDef = Controls::ColumnDefinition();
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auto newTabBtnColDef = Controls::ColumnDefinition();
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newTabBtnColDef.Width(GridLengthHelper::Auto());
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_tabRow.ColumnDefinitions().Append(tabsColDef);
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_tabRow.ColumnDefinitions().Append(newTabBtnColDef);
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// Set up two rows - one for the tabs, the other for the tab content,
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// the terminal panes.
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auto tabBarRowDef = Controls::RowDefinition();
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tabBarRowDef.Height(GridLengthHelper::Auto());
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_root.RowDefinitions().Append(tabBarRowDef);
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_root.RowDefinitions().Append(Controls::RowDefinition{});
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if (_settings->GlobalSettings().GetShowTabsInTitlebar() == false)
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{
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_root.Children().Append(_tabRow);
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Controls::Grid::SetRow(_tabRow, 0);
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}
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_root.Children().Append(_tabContent);
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Controls::Grid::SetRow(_tabContent, 1);
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Controls::Grid::SetColumn(_tabView, 0);
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// Create the new tab button.
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_newTabButton = Controls::SplitButton{};
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Controls::SymbolIcon newTabIco{};
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newTabIco.Symbol(Controls::Symbol::Add);
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_newTabButton.Content(newTabIco);
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Controls::Grid::SetRow(_newTabButton, 0);
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Controls::Grid::SetColumn(_newTabButton, 1);
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_newTabButton.VerticalAlignment(VerticalAlignment::Stretch);
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_newTabButton.HorizontalAlignment(HorizontalAlignment::Left);
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// When the new tab button is clicked, open the default profile
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_newTabButton.Click([this](auto&&, auto&&) {
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this->_OpenNewTab(std::nullopt);
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});
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// Populate the new tab button's flyout with entries for each profile
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_CreateNewTabFlyout();
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_tabRow.Children().Append(_tabView);
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_tabRow.Children().Append(_newTabButton);
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_tabContent.VerticalAlignment(VerticalAlignment::Stretch);
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_tabContent.HorizontalAlignment(HorizontalAlignment::Stretch);
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// Here, we're doing the equivalent of defining the _tabRow as the
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// following: <Grid Background="{ThemeResource
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// ApplicationPageBackgroundThemeBrush}"> We need to set the Background
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// to that ThemeResource, so it'll be colored appropriately regardless
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// of what theme the user has selected.
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// We're looking up the Style we've defined in App.xaml, and applying it
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// here. A ResourceDictionary is a Map<IInspectable, IInspectable>, so
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// you'll need to try_as to get the type we actually want.
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auto res = Resources();
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IInspectable key = winrt::box_value(L"BackgroundGridThemeStyle");
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if (res.HasKey(key))
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{
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IInspectable g = res.Lookup(key);
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winrt::Windows::UI::Xaml::Style style = g.try_as<winrt::Windows::UI::Xaml::Style>();
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_root.Style(style);
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_tabRow.Style(style);
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}
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// Apply the UI theme from our settings to our UI elements
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_ApplyTheme(_settings->GlobalSettings().GetRequestedTheme());
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_OpenNewTab(std::nullopt);
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_root.Loaded({ this, &App::_OnLoaded });
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}
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// Method Description:
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// - Show a ContentDialog with a single "Ok" button to dismiss. Looks up the
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// the title and text from our Resources using the provided keys.
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// - Only one dialog can be visible at a time. If another dialog is visible
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// when this is called, nothing happens.
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// Arguments:
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// - titleKey: The key to use to lookup the title text from our resources.
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// - contentKey: The key to use to lookup the content text from our resources.
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fire_and_forget App::_ShowOkDialog(const winrt::hstring& titleKey,
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const winrt::hstring& contentKey)
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{
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// DON'T release this lock in a wil::scope_exit. The scope_exit will get
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// called when we await, which is not what we want.
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std::unique_lock lock{ _dialogLock, std::try_to_lock };
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if (!lock)
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{
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// Another dialog is visible.
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return;
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}
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auto resourceLoader = Windows::ApplicationModel::Resources::ResourceLoader::GetForCurrentView();
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auto title = resourceLoader.GetString(titleKey);
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auto message = resourceLoader.GetString(contentKey);
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auto buttonText = resourceLoader.GetString(L"Ok");
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Controls::ContentDialog dialog;
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dialog.Title(winrt::box_value(title));
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dialog.Content(winrt::box_value(message));
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dialog.CloseButtonText(buttonText);
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// IMPORTANT: Add the dialog to the _root UIElement before you show it,
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// so it knows how to attach to the XAML content.
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_root.Children().Append(dialog);
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// Display the dialog.
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Controls::ContentDialogResult result = co_await dialog.ShowAsync(Controls::ContentDialogPlacement::Popup);
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// After the dialog is dismissed, the dialog lock (held by `lock`) will
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// be released so another can be shown.
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}
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// Method Description:
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// - Triggered when the application is fiished loading. If we failed to load
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// the settings, then this will display the error dialog. This is done
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// here instead of when loading the settings, because we need our UI to be
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// visible to display the dialog, and when we're loading the settings,
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// the UI might not be visible yet.
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// Arguments:
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// - <unused>
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void App::_OnLoaded(const IInspectable& /*sender*/,
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const RoutedEventArgs& /*eventArgs*/)
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{
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if (FAILED(_settingsLoadedResult))
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{
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const winrt::hstring titleKey = L"InitialJsonParseErrorTitle";
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const winrt::hstring textKey = L"InitialJsonParseErrorText";
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_ShowOkDialog(titleKey, textKey);
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}
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}
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// Method Description:
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// - Get the size in pixels of the client area we'll need to launch this
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// terminal app. This method will use the default profile's settings to do
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// this calculation, as well as the _system_ dpi scaling. See also
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// TermControl::GetProposedDimensions.
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// Arguments:
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// - <none>
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// Return Value:
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// - a point containing the requested dimensions in pixels.
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winrt::Windows::Foundation::Point App::GetLaunchDimensions(uint32_t dpi)
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{
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if (!_loadedInitialSettings)
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{
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// Load settings if we haven't already
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LoadSettings();
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}
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// Use the default profile to determine how big of a window we need.
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TerminalSettings settings = _settings->MakeSettings(std::nullopt);
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// TODO MSFT:21150597 - If the global setting "Always show tab bar" is
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// set, then we'll need to add the height of the tab bar here.
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return TermControl::GetProposedDimensions(settings, dpi);
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}
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bool App::GetShowTabsInTitlebar()
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{
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if (!_loadedInitialSettings)
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{
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// Load settings if we haven't already
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LoadSettings();
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}
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return _settings->GlobalSettings().GetShowTabsInTitlebar();
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}
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// Method Description:
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// - Builds the flyout (dropdown) attached to the new tab button, and
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// attaches it to the button. Populates the flyout with one entry per
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// Profile, displaying the profile's name. Clicking each flyout item will
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// open a new tab with that profile.
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// Below the profiles are the static menu items: settings, feedback
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void App::_CreateNewTabFlyout()
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{
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auto newTabFlyout = Controls::MenuFlyout{};
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auto keyBindings = _settings->GetKeybindings();
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const GUID defaultProfileGuid = _settings->GlobalSettings().GetDefaultProfile();
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for (int profileIndex = 0; profileIndex < _settings->GetProfiles().size(); profileIndex++)
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{
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const auto& profile = _settings->GetProfiles()[profileIndex];
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auto profileMenuItem = Controls::MenuFlyoutItem{};
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// add the keyboard shortcuts for the first 9 profiles
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if (profileIndex < 9)
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{
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// enum value for ShortcutAction::NewTabProfileX; 0==NewTabProfile0
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auto profileKeyChord = keyBindings.GetKeyBinding(static_cast<ShortcutAction>(profileIndex + static_cast<int>(ShortcutAction::NewTabProfile0)));
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// make sure we find one to display
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if (profileKeyChord)
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{
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_SetAcceleratorForMenuItem(profileMenuItem, profileKeyChord);
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}
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}
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auto profileName = profile.GetName();
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winrt::hstring hName{ profileName };
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profileMenuItem.Text(hName);
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// If there's an icon set for this profile, set it as the icon for
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// this flyout item.
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if (profile.HasIcon())
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{
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profileMenuItem.Icon(_GetIconFromProfile(profile));
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}
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if (profile.GetGuid() == defaultProfileGuid)
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{
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// Contrast the default profile with others in font weight.
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profileMenuItem.FontWeight(FontWeights::Bold());
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}
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profileMenuItem.Click([this, profileIndex](auto&&, auto&&) {
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this->_OpenNewTab({ profileIndex });
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});
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newTabFlyout.Items().Append(profileMenuItem);
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}
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// add menu separator
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auto separatorItem = Controls::MenuFlyoutSeparator{};
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newTabFlyout.Items().Append(separatorItem);
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// add static items
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{
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// Create the settings button.
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auto settingsItem = Controls::MenuFlyoutItem{};
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settingsItem.Text(L"Settings");
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Controls::SymbolIcon ico{};
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ico.Symbol(Controls::Symbol::Setting);
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settingsItem.Icon(ico);
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settingsItem.Click({ this, &App::_SettingsButtonOnClick });
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newTabFlyout.Items().Append(settingsItem);
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auto settingsKeyChord = keyBindings.GetKeyBinding(ShortcutAction::OpenSettings);
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if (settingsKeyChord)
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{
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_SetAcceleratorForMenuItem(settingsItem, settingsKeyChord);
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}
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// Create the feedback button.
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auto feedbackFlyout = Controls::MenuFlyoutItem{};
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feedbackFlyout.Text(L"Feedback");
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Controls::FontIcon feedbackIco{};
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feedbackIco.Glyph(L"\xE939");
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feedbackIco.FontFamily(Media::FontFamily{ L"Segoe MDL2 Assets" });
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feedbackFlyout.Icon(feedbackIco);
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feedbackFlyout.Click({ this, &App::_FeedbackButtonOnClick });
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newTabFlyout.Items().Append(feedbackFlyout);
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}
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_newTabButton.Flyout(newTabFlyout);
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}
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// Function Description:
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// - Called when the settings button is clicked. ShellExecutes the settings
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// file, as to open it in the default editor for .json files. Does this in
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// a background thread, as to not hang/crash the UI thread.
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fire_and_forget LaunchSettings()
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{
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// This will switch the execution of the function to a background (not
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// UI) thread. This is IMPORTANT, because the Windows.Storage API's
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// (used for retrieving the path to the file) will crash on the UI
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// thread, because the main thread is a STA.
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co_await winrt::resume_background();
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const auto settingsPath = CascadiaSettings::GetSettingsPath();
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ShellExecute(nullptr, L"open", settingsPath.c_str(), nullptr, nullptr, SW_SHOW);
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}
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// Method Description:
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// - Called when the settings button is clicked. Launches a background
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// thread to open the settings file in the default JSON editor.
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// Arguments:
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// - <none>
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// Return Value:
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// - <none>
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void App::_SettingsButtonOnClick(const IInspectable&,
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const RoutedEventArgs&)
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{
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LaunchSettings();
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}
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// Method Description:
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// - Called when the feedback button is clicked. Launches github in your
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// default browser, navigated to the "issues" page of the Terminal repo.
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void App::_FeedbackButtonOnClick(const IInspectable&,
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const RoutedEventArgs&)
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{
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winrt::Windows::System::Launcher::LaunchUriAsync({ L"https://github.com/microsoft/Terminal/issues" });
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}
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// Method Description:
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// - Register our event handlers with the given keybindings object. This
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// should be done regardless of what the events are actually bound to -
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// this simply ensures the AppKeyBindings object will call us correctly
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// for each event.
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// Arguments:
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// - bindings: A AppKeyBindings object to wire up with our event handlers
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void App::_HookupKeyBindings(TerminalApp::AppKeyBindings bindings) noexcept
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{
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// Hook up the KeyBinding object's events to our handlers.
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// They should all be hooked up here, regardless of whether or not
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// there's an actual keychord for them.
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bindings.NewTab([this]() { _OpenNewTab(std::nullopt); });
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bindings.CloseTab([this]() { _CloseFocusedTab(); });
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bindings.NewTabWithProfile([this](const auto index) { _OpenNewTab({ index }); });
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bindings.ScrollUp([this]() { _Scroll(-1); });
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bindings.ScrollDown([this]() { _Scroll(1); });
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bindings.NextTab([this]() { _SelectNextTab(true); });
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bindings.PrevTab([this]() { _SelectNextTab(false); });
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bindings.SplitVertical([this]() { _SplitVertical(std::nullopt); });
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bindings.SplitHorizontal([this]() { _SplitHorizontal(std::nullopt); });
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bindings.ScrollUpPage([this]() { _ScrollPage(-1); });
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bindings.ScrollDownPage([this]() { _ScrollPage(1); });
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bindings.SwitchToTab([this](const auto index) { _SelectTab({ index }); });
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bindings.OpenSettings([this]() { _OpenSettings(); });
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}
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// Method Description:
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// - Attempt to load the settings. If we fail for any reason, returns an error.
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// Arguments:
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// - saveOnLoad: If true, after loading the settings, we should re-write
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// them to the file, to make sure the schema is updated. See
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// `CascadiaSettings::LoadAll` for details.
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// Return Value:
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// - S_OK if we successfully parsed the settings, otherwise an appropriate HRESULT.
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[[nodiscard]] HRESULT App::_TryLoadSettings(const bool saveOnLoad) noexcept
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{
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HRESULT hr = E_FAIL;
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try
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{
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auto newSettings = CascadiaSettings::LoadAll(saveOnLoad);
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_settings = std::move(newSettings);
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hr = S_OK;
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}
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catch (const winrt::hresult_error& e)
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{
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hr = e.code();
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LOG_HR(hr);
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}
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catch (...)
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{
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hr = wil::ResultFromCaughtException();
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LOG_HR(hr);
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}
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return hr;
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}
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// Method Description:
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// - Initialized our settings. See CascadiaSettings for more details.
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// Additionally hooks up our callbacks for keybinding events to the
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// keybindings object.
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// NOTE: This must be called from a MTA if we're running as a packaged
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// application. The Windows.Storage APIs require a MTA. If this isn't
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// happening during startup, it'll need to happen on a background thread.
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void App::LoadSettings()
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{
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// Attempt to load the settings.
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// If it fails,
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// - use Default settings,
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// - don't persist them (LoadAll won't save them in this case).
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// - _settingsLoadedResult will be set to an error, indicating that
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// we should display the loading error.
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// * We can't display the error now, because we might not have a
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// UI yet. We'll display the error in _OnLoaded.
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_settingsLoadedResult = _TryLoadSettings(true);
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if (FAILED(_settingsLoadedResult))
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{
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_settings = std::make_unique<CascadiaSettings>();
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_settings->CreateDefaults();
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}
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_HookupKeyBindings(_settings->GetKeybindings());
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_loadedInitialSettings = true;
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// Register for directory change notification.
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_RegisterSettingsChange();
|
|
}
|
|
|
|
// Method Description:
|
|
// - Registers for changes to the settings folder and upon a updated settings
|
|
// profile calls _ReloadSettings().
|
|
// Arguments:
|
|
// - <none>
|
|
// Return Value:
|
|
// - <none>
|
|
void App::_RegisterSettingsChange()
|
|
{
|
|
// Make sure this hstring has a stack-local reference. If we don't it
|
|
// might get cleaned up before we parse the path.
|
|
const auto localPathCopy = CascadiaSettings::GetSettingsPath();
|
|
|
|
// Getting the containing folder.
|
|
std::filesystem::path fileParser = localPathCopy.c_str();
|
|
const auto folder = fileParser.parent_path();
|
|
|
|
_reader.create(folder.c_str(),
|
|
false,
|
|
wil::FolderChangeEvents::All,
|
|
[this](wil::FolderChangeEvent event, PCWSTR fileModified) {
|
|
// We want file modifications, AND when files are renamed to be
|
|
// profiles.json. This second case will oftentimes happen with text
|
|
// editors, who will write a temp file, then rename it to be the
|
|
// actual file you wrote. So listen for that too.
|
|
if (!(event == wil::FolderChangeEvent::Modified ||
|
|
event == wil::FolderChangeEvent::RenameNewName))
|
|
{
|
|
return;
|
|
}
|
|
|
|
const auto localPathCopy = CascadiaSettings::GetSettingsPath();
|
|
std::filesystem::path settingsParser = localPathCopy.c_str();
|
|
std::filesystem::path modifiedParser = fileModified;
|
|
|
|
// Getting basename (filename.ext)
|
|
const auto settingsBasename = settingsParser.filename();
|
|
const auto modifiedBasename = modifiedParser.filename();
|
|
|
|
if (settingsBasename == modifiedBasename)
|
|
{
|
|
this->_ReloadSettings();
|
|
}
|
|
});
|
|
}
|
|
|
|
// Method Description:
|
|
// - Reloads the settings from the profile.json.
|
|
void App::_ReloadSettings()
|
|
{
|
|
// Attempt to load our settings.
|
|
// If it fails,
|
|
// - don't change the settings (and don't actually apply the new settings)
|
|
// - don't persist them.
|
|
// - display a loading error
|
|
_settingsLoadedResult = _TryLoadSettings(false);
|
|
|
|
if (FAILED(_settingsLoadedResult))
|
|
{
|
|
_root.Dispatcher().RunAsync(CoreDispatcherPriority::Normal, [this]() {
|
|
const winrt::hstring titleKey = L"ReloadJsonParseErrorTitle";
|
|
const winrt::hstring textKey = L"ReloadJsonParseErrorText";
|
|
_ShowOkDialog(titleKey, textKey);
|
|
});
|
|
|
|
return;
|
|
}
|
|
|
|
// Here, we successfully reloaded the settings, and created a new
|
|
// TerminalSettings object.
|
|
|
|
// Re-wire the keybindings to their handlers, as we'll have created a
|
|
// new AppKeyBindings object.
|
|
_HookupKeyBindings(_settings->GetKeybindings());
|
|
|
|
// Refresh UI elements
|
|
|
|
auto profiles = _settings->GetProfiles();
|
|
for (auto& profile : profiles)
|
|
{
|
|
const GUID profileGuid = profile.GetGuid();
|
|
TerminalSettings settings = _settings->MakeSettings(profileGuid);
|
|
|
|
for (auto& tab : _tabs)
|
|
{
|
|
// Attempt to reload the settings of any panes with this profile
|
|
tab->UpdateSettings(settings, profileGuid);
|
|
}
|
|
}
|
|
|
|
// Update the icon of the tab for the currently focused profile in that tab.
|
|
for (auto& tab : _tabs)
|
|
{
|
|
_UpdateTabIcon(tab);
|
|
}
|
|
|
|
_root.Dispatcher().RunAsync(CoreDispatcherPriority::Normal, [this]() {
|
|
// Refresh the UI theme
|
|
_ApplyTheme(_settings->GlobalSettings().GetRequestedTheme());
|
|
|
|
// repopulate the new tab button's flyout with entries for each
|
|
// profile, which might have changed
|
|
_CreateNewTabFlyout();
|
|
});
|
|
}
|
|
|
|
// Method Description:
|
|
// - Get the icon of the currently focused terminal control, and set its
|
|
// tab's icon to that icon.
|
|
// Arguments:
|
|
// - tab: the Tab to update the title for.
|
|
void App::_UpdateTabIcon(std::shared_ptr<Tab> tab)
|
|
{
|
|
const auto lastFocusedProfileOpt = tab->GetFocusedProfile();
|
|
if (lastFocusedProfileOpt.has_value())
|
|
{
|
|
const auto lastFocusedProfile = lastFocusedProfileOpt.value();
|
|
|
|
auto tabViewItem = tab->GetTabViewItem();
|
|
tabViewItem.Dispatcher().RunAsync(CoreDispatcherPriority::Normal, [this, lastFocusedProfile, tabViewItem]() {
|
|
// _GetIconFromProfile has to run on the main thread
|
|
const auto* const matchingProfile = _settings->FindProfile(lastFocusedProfile);
|
|
if (matchingProfile)
|
|
{
|
|
tabViewItem.Icon(App::_GetIconFromProfile(*matchingProfile));
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
// Method Description:
|
|
// - Get the title of the currently focused terminal control, and set it's
|
|
// tab's text to that text. If this tab is the focused tab, then also
|
|
// bubble this title to any listeners of our TitleChanged event.
|
|
// Arguments:
|
|
// - tab: the Tab to update the title for.
|
|
void App::_UpdateTitle(std::shared_ptr<Tab> tab)
|
|
{
|
|
auto newTabTitle = tab->GetFocusedTitle();
|
|
|
|
// TODO #608: If the settings don't want the terminal's text in the
|
|
// tab, then display something else.
|
|
tab->SetTabText(newTabTitle);
|
|
if (_settings->GlobalSettings().GetShowTitleInTitlebar() &&
|
|
tab->IsFocused())
|
|
{
|
|
_titleChangeHandlers(newTabTitle);
|
|
}
|
|
}
|
|
|
|
// Method Description:
|
|
// - Update the current theme of the application. This will manually update
|
|
// all of the elements in our UI to match the given theme.
|
|
// Arguments:
|
|
// - newTheme: The ElementTheme to apply to our elements.
|
|
void App::_ApplyTheme(const Windows::UI::Xaml::ElementTheme& newTheme)
|
|
{
|
|
_root.RequestedTheme(newTheme);
|
|
_tabRow.RequestedTheme(newTheme);
|
|
}
|
|
|
|
UIElement App::GetRoot() noexcept
|
|
{
|
|
return _root;
|
|
}
|
|
|
|
UIElement App::GetTabs() noexcept
|
|
{
|
|
return _tabRow;
|
|
}
|
|
|
|
void App::_SetFocusedTabIndex(int tabIndex)
|
|
{
|
|
// GH#1117: This is a workaround because _tabView.SelectedIndex(tabIndex)
|
|
// sometimes set focus to an incorrect tab after removing some tabs
|
|
auto tab = _tabs.at(tabIndex);
|
|
_tabView.Dispatcher().RunAsync(CoreDispatcherPriority::Normal, [tab, this]() {
|
|
auto tabViewItem = tab->GetTabViewItem();
|
|
_tabView.SelectedItem(tabViewItem);
|
|
});
|
|
}
|
|
|
|
// Method Description:
|
|
// - Handle changes in tab layout.
|
|
void App::_UpdateTabView()
|
|
{
|
|
// Show tabs when there's more than 1, or the user has chosen to always
|
|
// show the tab bar.
|
|
const bool isVisible = _settings->GlobalSettings().GetShowTabsInTitlebar() ||
|
|
(_tabs.size() > 1) ||
|
|
_settings->GlobalSettings().GetAlwaysShowTabs();
|
|
|
|
// collapse/show the tabs themselves
|
|
_tabView.Visibility(isVisible ? Visibility::Visible : Visibility::Collapsed);
|
|
|
|
// collapse/show the row that the tabs are in.
|
|
// NaN is the special value XAML uses for "Auto" sizing.
|
|
_tabRow.Height(isVisible ? NAN : 0);
|
|
}
|
|
|
|
// Method Description:
|
|
// - Open a new tab. This will create the TerminalControl hosting the
|
|
// terminal, and add a new Tab to our list of tabs. The method can
|
|
// optionally be provided a profile index, which will be used to create
|
|
// a tab using the profile in that index.
|
|
// If no index is provided, the default profile will be used.
|
|
// Arguments:
|
|
// - profileIndex: an optional index into the list of profiles to use to
|
|
// initialize this tab up with.
|
|
void App::_OpenNewTab(std::optional<int> profileIndex)
|
|
{
|
|
GUID profileGuid;
|
|
|
|
if (profileIndex)
|
|
{
|
|
const auto realIndex = profileIndex.value();
|
|
const auto profiles = _settings->GetProfiles();
|
|
|
|
// If we don't have that many profiles, then do nothing.
|
|
if (realIndex >= profiles.size())
|
|
{
|
|
return;
|
|
}
|
|
|
|
const auto& selectedProfile = profiles[realIndex];
|
|
profileGuid = selectedProfile.GetGuid();
|
|
}
|
|
else
|
|
{
|
|
// Getting Guid for default profile
|
|
const auto globalSettings = _settings->GlobalSettings();
|
|
profileGuid = globalSettings.GetDefaultProfile();
|
|
}
|
|
|
|
TerminalSettings settings = _settings->MakeSettings(profileGuid);
|
|
_CreateNewTabFromSettings(profileGuid, settings);
|
|
|
|
const int tabCount = static_cast<int>(_tabs.size());
|
|
TraceLoggingWrite(
|
|
g_hTerminalAppProvider, // handle to TerminalApp tracelogging provider
|
|
"TabInformation",
|
|
TraceLoggingDescription("Event emitted upon new tab creation in TerminalApp"),
|
|
TraceLoggingInt32(tabCount, "TabCount", "Count of tabs curently opened in TerminalApp"),
|
|
TraceLoggingKeyword(MICROSOFT_KEYWORD_MEASURES),
|
|
TelemetryPrivacyDataTag(PDT_ProductAndServicePerformance));
|
|
}
|
|
|
|
// Function Description:
|
|
// - Copies and processes the text data from the Windows Clipboard.
|
|
// Does some of this in a background thread, as to not hang/crash the UI thread.
|
|
// Arguments:
|
|
// - eventArgs: the PasteFromClipboard event sent from the TermControl
|
|
fire_and_forget PasteFromClipboard(PasteFromClipboardEventArgs eventArgs)
|
|
{
|
|
const DataPackageView data = Clipboard::GetContent();
|
|
|
|
// This will switch the execution of the function to a background (not
|
|
// UI) thread. This is IMPORTANT, because the getting the clipboard data
|
|
// will crash on the UI thread, because the main thread is a STA.
|
|
co_await winrt::resume_background();
|
|
|
|
hstring text = L"";
|
|
if (data.Contains(StandardDataFormats::Text()))
|
|
{
|
|
text = co_await data.GetTextAsync();
|
|
}
|
|
eventArgs.HandleClipboardData(text);
|
|
}
|
|
|
|
// Method Description:
|
|
// - Connects event handlers to the TermControl for events that we want to
|
|
// handle. This includes:
|
|
// * the Copy and Paste events, for setting and retrieving clipboard data
|
|
// on the right thread
|
|
// * the TitleChanged event, for changing the text of the tab
|
|
// * the GotFocus event, for changing the title/icon in the tab when a new
|
|
// control is focused
|
|
// Arguments:
|
|
// - term: The newly created TermControl to connect the events for
|
|
// - hostingTab: The Tab that's hosting this TermControl instance
|
|
void App::_RegisterTerminalEvents(TermControl term, std::shared_ptr<Tab> hostingTab)
|
|
{
|
|
// Add an event handler when the terminal's selection wants to be copied.
|
|
// When the text buffer data is retrieved, we'll copy the data into the Clipboard
|
|
term.CopyToClipboard({ this, &App::_CopyToClipboardHandler });
|
|
|
|
// Add an event handler when the terminal wants to paste data from the Clipboard.
|
|
term.PasteFromClipboard({ this, &App::_PasteFromClipboardHandler });
|
|
|
|
// Don't capture a strong ref to the tab. If the tab is removed as this
|
|
// is called, we don't really care anymore about handling the event.
|
|
std::weak_ptr<Tab> weakTabPtr = hostingTab;
|
|
term.TitleChanged([this, weakTabPtr](auto newTitle) {
|
|
auto tab = weakTabPtr.lock();
|
|
if (!tab)
|
|
{
|
|
return;
|
|
}
|
|
// The title of the control changed, but not necessarily the title
|
|
// of the tab. Get the title of the focused pane of the tab, and set
|
|
// the tab's text to the focused panes' text.
|
|
_UpdateTitle(tab);
|
|
});
|
|
|
|
term.GetControl().GotFocus([this, weakTabPtr](auto&&, auto&&) {
|
|
auto tab = weakTabPtr.lock();
|
|
if (!tab)
|
|
{
|
|
return;
|
|
}
|
|
// Update the focus of the tab's panes
|
|
tab->UpdateFocus();
|
|
|
|
// Possibly update the title of the tab, window to match the newly
|
|
// focused pane.
|
|
_UpdateTitle(tab);
|
|
|
|
// Possibly update the icon of the tab.
|
|
_UpdateTabIcon(tab);
|
|
});
|
|
}
|
|
|
|
// Method Description:
|
|
// - Creates a new tab with the given settings. If the tab bar is not being
|
|
// currently displayed, it will be shown.
|
|
// Arguments:
|
|
// - settings: the TerminalSettings object to use to create the TerminalControl with.
|
|
void App::_CreateNewTabFromSettings(GUID profileGuid, TerminalSettings settings)
|
|
{
|
|
// Initialize the new tab
|
|
TermControl term{ settings };
|
|
|
|
// Add the new tab to the list of our tabs.
|
|
auto newTab = _tabs.emplace_back(std::make_shared<Tab>(profileGuid, term));
|
|
|
|
// Hookup our event handlers to the new terminal
|
|
_RegisterTerminalEvents(term, newTab);
|
|
|
|
auto tabViewItem = newTab->GetTabViewItem();
|
|
_tabView.Items().Append(tabViewItem);
|
|
|
|
const auto* const profile = _settings->FindProfile(profileGuid);
|
|
|
|
// Set this profile's tab to the icon the user specified
|
|
if (profile != nullptr && profile->HasIcon())
|
|
{
|
|
tabViewItem.Icon(_GetIconFromProfile(*profile));
|
|
}
|
|
|
|
tabViewItem.PointerPressed({ this, &App::_OnTabClick });
|
|
|
|
// When the tab is closed, remove it from our list of tabs.
|
|
newTab->Closed([tabViewItem, this]() {
|
|
_tabView.Dispatcher().RunAsync(CoreDispatcherPriority::Normal, [tabViewItem, this]() {
|
|
_RemoveTabViewItem(tabViewItem);
|
|
});
|
|
});
|
|
|
|
// This is one way to set the tab's selected background color.
|
|
// tabViewItem.Resources().Insert(winrt::box_value(L"TabViewItemHeaderBackgroundSelected"), a Brush?);
|
|
|
|
// This kicks off TabView::SelectionChanged, in response to which we'll attach the terminal's
|
|
// Xaml control to the Xaml root.
|
|
_tabView.SelectedItem(tabViewItem);
|
|
}
|
|
|
|
// Method Description:
|
|
// - Returns the index in our list of tabs of the currently focused tab. If
|
|
// no tab is currently selected, returns -1.
|
|
// Return Value:
|
|
// - the index of the currently focused tab if there is one, else -1
|
|
int App::_GetFocusedTabIndex() const
|
|
{
|
|
// GH#1117: This is a workaround because _tabView.SelectedIndex()
|
|
// sometimes return incorrect result after removing some tabs
|
|
uint32_t focusedIndex;
|
|
if (_tabView.Items().IndexOf(_tabView.SelectedItem(), focusedIndex))
|
|
{
|
|
return focusedIndex;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
void App::_OpenSettings()
|
|
{
|
|
LaunchSettings();
|
|
}
|
|
|
|
// Method Description:
|
|
// - Close the currently focused tab. Focus will move to the left, if possible.
|
|
void App::_CloseFocusedTab()
|
|
{
|
|
int focusedTabIndex = _GetFocusedTabIndex();
|
|
std::shared_ptr<Tab> focusedTab{ _tabs[focusedTabIndex] };
|
|
_RemoveTabViewItem(focusedTab->GetTabViewItem());
|
|
}
|
|
|
|
// Method Description:
|
|
// - Move the viewport of the terminal of the currently focused tab up or
|
|
// down a number of lines. Negative values of `delta` will move the
|
|
// view up, and positive values will move the viewport down.
|
|
// Arguments:
|
|
// - delta: a number of lines to move the viewport relative to the current viewport.
|
|
void App::_Scroll(int delta)
|
|
{
|
|
int focusedTabIndex = _GetFocusedTabIndex();
|
|
_tabs[focusedTabIndex]->Scroll(delta);
|
|
}
|
|
|
|
// Method Description:
|
|
// - Move the viewport of the terminal of the currently focused tab up or
|
|
// down a page. The page length will be dependent on the terminal view height.
|
|
// Negative values of `delta` will move the view up by one page, and positive values
|
|
// will move the viewport down by one page.
|
|
// Arguments:
|
|
// - delta: The direction to move the view relative to the current viewport(it
|
|
// is clamped between -1 and 1)
|
|
void App::_ScrollPage(int delta)
|
|
{
|
|
delta = std::clamp(delta, -1, 1);
|
|
const auto focusedTabIndex = _GetFocusedTabIndex();
|
|
const auto control = _GetFocusedControl();
|
|
const auto termHeight = control.GetViewHeight();
|
|
_tabs[focusedTabIndex]->Scroll(termHeight * delta);
|
|
}
|
|
|
|
// Method Description:
|
|
// - Copy text from the focused terminal to the Windows Clipboard
|
|
// Arguments:
|
|
// - trimTrailingWhitespace: enable removing any whitespace from copied selection
|
|
// and get text to appear on separate lines.
|
|
void App::_CopyText(const bool trimTrailingWhitespace)
|
|
{
|
|
const auto control = _GetFocusedControl();
|
|
control.CopySelectionToClipboard(trimTrailingWhitespace);
|
|
}
|
|
|
|
// Method Description:
|
|
// - Sets focus to the tab to the right or left the currently selected tab.
|
|
void App::_SelectNextTab(const bool bMoveRight)
|
|
{
|
|
int focusedTabIndex = _GetFocusedTabIndex();
|
|
auto tabCount = _tabs.size();
|
|
// Wraparound math. By adding tabCount and then calculating modulo tabCount,
|
|
// we clamp the values to the range [0, tabCount) while still supporting moving
|
|
// leftward from 0 to tabCount - 1.
|
|
_SetFocusedTabIndex(
|
|
static_cast<int>((tabCount + focusedTabIndex + (bMoveRight ? 1 : -1)) % tabCount));
|
|
}
|
|
|
|
// Method Description:
|
|
// - Sets focus to the desired tab.
|
|
void App::_SelectTab(const int tabIndex)
|
|
{
|
|
if (tabIndex >= 0 && tabIndex < _tabs.size())
|
|
{
|
|
_SetFocusedTabIndex(tabIndex);
|
|
}
|
|
}
|
|
|
|
// Method Description:
|
|
// - Responds to the TabView control's Selection Changed event (to move a
|
|
// new terminal control into focus.)
|
|
// Arguments:
|
|
// - sender: the control that originated this event
|
|
// - eventArgs: the event's constituent arguments
|
|
void App::_OnTabSelectionChanged(const IInspectable& sender, const Controls::SelectionChangedEventArgs& eventArgs)
|
|
{
|
|
auto tabView = sender.as<MUX::Controls::TabView>();
|
|
auto selectedIndex = tabView.SelectedIndex();
|
|
|
|
// Unfocus all the tabs.
|
|
for (auto tab : _tabs)
|
|
{
|
|
tab->SetFocused(false);
|
|
}
|
|
|
|
if (selectedIndex >= 0)
|
|
{
|
|
try
|
|
{
|
|
auto tab = _tabs.at(selectedIndex);
|
|
|
|
_tabContent.Children().Clear();
|
|
_tabContent.Children().Append(tab->GetRootElement());
|
|
|
|
tab->SetFocused(true);
|
|
_titleChangeHandlers(GetTitle());
|
|
}
|
|
CATCH_LOG();
|
|
}
|
|
}
|
|
|
|
// Method Description:
|
|
// - Responds to the TabView control's Tab Closing event by removing
|
|
// the indicated tab from the set and focusing another one.
|
|
// The event is cancelled so App maintains control over the
|
|
// items in the tabview.
|
|
// Arguments:
|
|
// - sender: the control that originated this event
|
|
// - eventArgs: the event's constituent arguments
|
|
void App::_OnTabClosing(const IInspectable& sender, const MUX::Controls::TabViewTabClosingEventArgs& eventArgs)
|
|
{
|
|
const auto tabViewItem = eventArgs.Item();
|
|
_RemoveTabViewItem(tabViewItem);
|
|
|
|
// If we don't cancel the event, the TabView will remove the item itself.
|
|
eventArgs.Cancel(true);
|
|
}
|
|
|
|
// Method Description:
|
|
// - Responds to changes in the TabView's item list by changing the tabview's
|
|
// visibility.
|
|
// Arguments:
|
|
// - sender: the control that originated this event
|
|
// - eventArgs: the event's constituent arguments
|
|
void App::_OnTabItemsChanged(const IInspectable& sender, const Windows::Foundation::Collections::IVectorChangedEventArgs& eventArgs)
|
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{
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_UpdateTabView();
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}
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// Method Description:
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// - Gets the title of the currently focused terminal control. If there
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// isn't a control selected for any reason, returns "Windows Terminal"
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// Arguments:
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// - <none>
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// Return Value:
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// - the title of the focused control if there is one, else "Windows Terminal"
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hstring App::GetTitle()
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{
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if (_settings->GlobalSettings().GetShowTitleInTitlebar())
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{
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auto selectedIndex = _tabView.SelectedIndex();
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if (selectedIndex >= 0)
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{
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try
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{
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if (auto focusedControl{ _GetFocusedControl() })
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{
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return focusedControl.Title();
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}
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}
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CATCH_LOG();
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}
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}
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return { L"Windows Terminal" };
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}
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// Method Description:
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// - Additional responses to clicking on a TabView's item. Currently, just remove tab with middle click
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// Arguments:
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// - sender: the control that originated this event (TabViewItem)
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// - eventArgs: the event's constituent arguments
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void App::_OnTabClick(const IInspectable& sender, const Windows::UI::Xaml::Input::PointerRoutedEventArgs& eventArgs)
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{
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if (eventArgs.GetCurrentPoint(_root).Properties().IsMiddleButtonPressed())
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{
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_RemoveTabViewItem(sender);
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eventArgs.Handled(true);
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}
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}
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// Method Description:
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// - Removes the tab (both TerminalControl and XAML)
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// Arguments:
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// - tabViewItem: the TabViewItem in the TabView that is being removed.
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void App::_RemoveTabViewItem(const IInspectable& tabViewItem)
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{
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// To close the window here, we need to close the hosting window.
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if (_tabs.size() == 1)
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{
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_lastTabClosedHandlers();
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}
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uint32_t tabIndexFromControl = 0;
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_tabView.Items().IndexOf(tabViewItem, tabIndexFromControl);
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auto focusedTabIndex = _GetFocusedTabIndex();
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// Removing the tab from the collection will destroy its control and disconnect its connection.
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_tabs.erase(_tabs.begin() + tabIndexFromControl);
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_tabView.Items().RemoveAt(tabIndexFromControl);
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if (tabIndexFromControl == focusedTabIndex)
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{
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if (focusedTabIndex >= _tabs.size())
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{
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focusedTabIndex = _tabs.size() - 1;
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}
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if (focusedTabIndex < 0)
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{
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focusedTabIndex = 0;
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}
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_SelectTab(focusedTabIndex);
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}
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}
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// Method Description:
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// - Gets a colored IconElement for the profile in question. If the profile
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// has an `icon` set in the settings, this will return an icon with that
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// image in it. Otherwise it will return a nullptr-initialized
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// IconElement.
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// Arguments:
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// - profile: the profile to get the icon from
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// Return Value:
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// - an IconElement for the profile's icon, if it has one.
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Controls::IconElement App::_GetIconFromProfile(const Profile& profile)
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{
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if (profile.HasIcon())
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{
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auto path = profile.GetIconPath();
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winrt::hstring iconPath{ path };
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winrt::Windows::Foundation::Uri iconUri{ iconPath };
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Controls::BitmapIconSource iconSource;
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// Make sure to set this to false, so we keep the RGB data of the
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// image. Otherwise, the icon will be white for all the
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// non-transparent pixels in the image.
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iconSource.ShowAsMonochrome(false);
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iconSource.UriSource(iconUri);
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Controls::IconSourceElement elem;
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elem.IconSource(iconSource);
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return elem;
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}
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else
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{
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return { nullptr };
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}
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}
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winrt::Microsoft::Terminal::TerminalControl::TermControl App::_GetFocusedControl()
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{
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int focusedTabIndex = _GetFocusedTabIndex();
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auto focusedTab = _tabs[focusedTabIndex];
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return focusedTab->GetFocusedTerminalControl();
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}
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// Method Description:
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// - Vertically split the focused pane, and place the given TermControl into
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// the newly created pane.
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// Arguments:
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// - profile: The profile GUID to associate with the newly created pane. If
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// this is nullopt, use the default profile.
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void App::_SplitVertical(const std::optional<GUID>& profileGuid)
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{
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_SplitPane(Pane::SplitState::Vertical, profileGuid);
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}
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// Method Description:
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|
// - Horizontally split the focused pane and place the given TermControl
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|
// into the newly created pane.
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// Arguments:
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|
// - profile: The profile GUID to associate with the newly created pane. If
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// this is nullopt, use the default profile.
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void App::_SplitHorizontal(const std::optional<GUID>& profileGuid)
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{
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_SplitPane(Pane::SplitState::Horizontal, profileGuid);
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}
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// Method Description:
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|
// - Split the focused pane either horizontally or vertically, and place the
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// given TermControl into the newly created pane.
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|
// - If splitType == SplitState::None, this method does nothing.
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// Arguments:
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|
// - splitType: one value from the Pane::SplitState enum, indicating how the
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// new pane should be split from its parent.
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// - profile: The profile GUID to associate with the newly created pane. If
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// this is nullopt, use the default profile.
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void App::_SplitPane(const Pane::SplitState splitType, const std::optional<GUID>& profileGuid)
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|
{
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// Do nothing if we're requesting no split.
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|
if (splitType == Pane::SplitState::None)
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|
{
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|
return;
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|
}
|
|
|
|
const auto realGuid = profileGuid ? profileGuid.value() :
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|
_settings->GlobalSettings().GetDefaultProfile();
|
|
const auto controlSettings = _settings->MakeSettings(realGuid);
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|
TermControl newControl{ controlSettings };
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|
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const int focusedTabIndex = _GetFocusedTabIndex();
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auto focusedTab = _tabs[focusedTabIndex];
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// Hookup our event handlers to the new terminal
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|
_RegisterTerminalEvents(newControl, focusedTab);
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return splitType == Pane::SplitState::Horizontal ? focusedTab->AddHorizontalSplit(realGuid, newControl) :
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focusedTab->AddVerticalSplit(realGuid, newControl);
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}
|
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// Method Description:
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// - Place `copiedData` into the clipboard as text. Triggered when a
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// terminal control raises it's CopyToClipboard event.
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|
// Arguments:
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|
// - copiedData: the new string content to place on the clipboard.
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void App::_CopyToClipboardHandler(const winrt::hstring& copiedData)
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|
{
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_root.Dispatcher().RunAsync(CoreDispatcherPriority::High, [copiedData]() {
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DataPackage dataPack = DataPackage();
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|
dataPack.RequestedOperation(DataPackageOperation::Copy);
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|
dataPack.SetText(copiedData);
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Clipboard::SetContent(dataPack);
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// TODO: MSFT 20642290 and 20642291
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|
// rtf copy and html copy
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|
});
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|
}
|
|
|
|
// Method Description:
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|
// - Fires an async event to get data from the clipboard, and paste it to
|
|
// the terminal. Triggered when the Terminal Control requests clipboard
|
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// data with it's PasteFromClipboard event.
|
|
// Arguments:
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|
// - eventArgs: the PasteFromClipboard event sent from the TermControl
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|
void App::_PasteFromClipboardHandler(const IInspectable& /*sender*/,
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|
const PasteFromClipboardEventArgs& eventArgs)
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|
{
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|
_root.Dispatcher().RunAsync(CoreDispatcherPriority::High, [eventArgs]() {
|
|
PasteFromClipboard(eventArgs);
|
|
});
|
|
}
|
|
|
|
// Method Description:
|
|
// - Takes a MenuFlyoutItem and a corresponding KeyChord value and creates the accelerator for UI display.
|
|
// Takes into account a special case for an error condition for a comma
|
|
// Arguments:
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|
// - MenuFlyoutItem that will be displayed, and a KeyChord to map an accelerator
|
|
void App::_SetAcceleratorForMenuItem(Windows::UI::Xaml::Controls::MenuFlyoutItem& menuItem, const winrt::Microsoft::Terminal::Settings::KeyChord& keyChord)
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|
{
|
|
// work around https://github.com/microsoft/microsoft-ui-xaml/issues/708 in case of VK_OEM_COMMA
|
|
if (keyChord.Vkey() != VK_OEM_COMMA)
|
|
{
|
|
// use the XAML shortcut to give us the automatic capabilities
|
|
auto menuShortcut = Windows::UI::Xaml::Input::KeyboardAccelerator{};
|
|
|
|
// TODO: Modify this when https://github.com/microsoft/terminal/issues/877 is resolved
|
|
menuShortcut.Key(static_cast<Windows::System::VirtualKey>(keyChord.Vkey()));
|
|
|
|
// inspect the modifiers from the KeyChord and set the flags int he XAML value
|
|
auto modifiers = AppKeyBindings::ConvertVKModifiers(keyChord.Modifiers());
|
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|
|
// add the modifiers to the shortcut
|
|
menuShortcut.Modifiers(modifiers);
|
|
|
|
// add to the menu
|
|
menuItem.KeyboardAccelerators().Append(menuShortcut);
|
|
}
|
|
else // we've got a comma, so need to just use the alternate method
|
|
{
|
|
// extract the modifier and key to a nice format
|
|
auto overrideString = AppKeyBindings::FormatOverrideShortcutText(keyChord.Modifiers());
|
|
menuItem.KeyboardAcceleratorTextOverride(overrideString + L" ,");
|
|
}
|
|
}
|
|
|
|
// -------------------------------- WinRT Events ---------------------------------
|
|
// Winrt events need a method for adding a callback to the event and removing the callback.
|
|
// These macros will define them both for you.
|
|
DEFINE_EVENT(App, TitleChanged, _titleChangeHandlers, TerminalControl::TitleChangedEventArgs);
|
|
DEFINE_EVENT(App, LastTabClosed, _lastTabClosedHandlers, winrt::TerminalApp::LastTabClosedEventArgs);
|
|
}
|