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ProfileViewModel.cpp
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ProfileViewModel.cpp
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// Copyright (c) Microsoft Corporation.
// Licensed under the MIT license.
#include "pch.h"
#include "ProfileViewModel.h"
#include "ProfileViewModel.g.cpp"
#include "EnumEntry.h"
#include "Appearances.h"
#include <LibraryResources.h>
#include "../WinRTUtils/inc/Utils.h"
#include "../../renderer/base/FontCache.h"
#include "SegoeFluentIconList.h"
using namespace winrt::Windows::UI::Text;
using namespace winrt::Windows::UI::Xaml;
using namespace winrt::Windows::UI::Xaml::Controls;
using namespace winrt::Windows::UI::Xaml::Data;
using namespace winrt::Windows::UI::Xaml::Navigation;
using namespace winrt::Windows::Foundation;
using namespace winrt::Windows::Foundation::Collections;
using namespace winrt::Microsoft::Terminal::Settings::Model;
namespace winrt::Microsoft::Terminal::Settings::Editor::implementation
{
static Editor::Font fontObjectForDWriteFont(IDWriteFontFamily* family, const wchar_t* locale);
Windows::Foundation::Collections::IObservableVector<Editor::Font> ProfileViewModel::_MonospaceFontList{ nullptr };
Windows::Foundation::Collections::IObservableVector<Editor::Font> ProfileViewModel::_FontList{ nullptr };
Windows::Foundation::Collections::IVector<IInspectable> ProfileViewModel::_BuiltInIcons{ nullptr };
static constexpr std::wstring_view HideIconValue{ L"none" };
ProfileViewModel::ProfileViewModel(const Model::Profile& profile, const Model::CascadiaSettings& appSettings) :
_profile{ profile },
_defaultAppearanceViewModel{ winrt::make<implementation::AppearanceViewModel>(profile.DefaultAppearance().try_as<AppearanceConfig>()) },
_originalProfileGuid{ profile.Guid() },
_appSettings{ appSettings },
_unfocusedAppearanceViewModel{ nullptr }
{
INITIALIZE_BINDABLE_ENUM_SETTING(AntiAliasingMode, TextAntialiasingMode, winrt::Microsoft::Terminal::Control::TextAntialiasingMode, L"Profile_AntialiasingMode", L"Content");
INITIALIZE_BINDABLE_ENUM_SETTING_REVERSE_ORDER(CloseOnExitMode, CloseOnExitMode, winrt::Microsoft::Terminal::Settings::Model::CloseOnExitMode, L"Profile_CloseOnExit", L"Content");
INITIALIZE_BINDABLE_ENUM_SETTING(ScrollState, ScrollbarState, winrt::Microsoft::Terminal::Control::ScrollbarState, L"Profile_ScrollbarVisibility", L"Content");
// set up IconTypes
_IconTypes = winrt::single_threaded_vector<IInspectable>();
_IconTypes.Append(make<EnumEntry>(RS_(L"Profile_IconTypeNone"), box_value(IconType::None)));
_IconTypes.Append(make<EnumEntry>(RS_(L"Profile_IconTypeFontIcon"), box_value(IconType::FontIcon)));
_IconTypes.Append(make<EnumEntry>(RS_(L"Profile_IconTypeEmoji"), box_value(IconType::Emoji)));
_IconTypes.Append(make<EnumEntry>(RS_(L"Profile_IconTypeImage"), box_value(IconType::Image)));
_DeduceCurrentIconType();
// Add a property changed handler to our own property changed event.
// This propagates changes from the settings model to anybody listening to our
// unique view model members.
PropertyChanged([this](auto&&, const PropertyChangedEventArgs& args) {
const auto viewModelProperty{ args.PropertyName() };
if (viewModelProperty == L"IsBaseLayer")
{
// we _always_ want to show the background image settings in base layer
_NotifyChanges(L"BackgroundImageSettingsVisible");
}
else if (viewModelProperty == L"StartingDirectory")
{
// notify listener that all starting directory related values might have changed
// NOTE: this is similar to what is done with BackgroundImagePath above
_NotifyChanges(L"UseParentProcessDirectory", L"UseCustomStartingDirectory");
}
else if (viewModelProperty == L"AntialiasingMode")
{
_NotifyChanges(L"CurrentAntiAliasingMode");
}
else if (viewModelProperty == L"CloseOnExit")
{
_NotifyChanges(L"CurrentCloseOnExitMode");
}
else if (viewModelProperty == L"BellStyle")
{
_NotifyChanges(L"IsBellStyleFlagSet");
}
else if (viewModelProperty == L"ScrollState")
{
_NotifyChanges(L"CurrentScrollState");
}
else if (viewModelProperty == L"Icon")
{
_DeduceCurrentIconType();
_NotifyChanges(L"LocalizedIcon");
}
else if (viewModelProperty == L"CurrentIconType")
{
_NotifyChanges(L"UsingNoIcon", L"UsingBuiltInIcon", L"UsingEmojiIcon", L"UsingImageIcon");
}
else if (viewModelProperty == L"CurrentBuiltInIcon")
{
Icon(unbox_value<hstring>(_CurrentBuiltInIcon.as<Editor::EnumEntry>().EnumValue()));
}
else if (viewModelProperty == L"CurrentEmojiIcon")
{
Icon(CurrentEmojiIcon());
}
});
// Do the same for the starting directory
if (!StartingDirectory().empty())
{
_lastStartingDirectoryPath = StartingDirectory();
}
// generate the font list, if we don't have one
if (!_FontList || !_MonospaceFontList)
{
UpdateFontList();
}
if (!_BuiltInIcons)
{
_UpdateBuiltInIcons();
}
_DeduceCurrentBuiltInIcon();
if (profile.HasUnfocusedAppearance())
{
_unfocusedAppearanceViewModel = winrt::make<implementation::AppearanceViewModel>(profile.UnfocusedAppearance().try_as<AppearanceConfig>());
}
_defaultAppearanceViewModel.IsDefault(true);
}
void ProfileViewModel::_UpdateBuiltInIcons()
{
_BuiltInIcons = single_threaded_vector<IInspectable>();
for (auto& [val, name] : s_SegoeFluentIcons)
{
_BuiltInIcons.Append(make<EnumEntry>(hstring{ name }, box_value(val)));
}
}
void ProfileViewModel::_DeduceCurrentIconType()
{
const auto& profileIcon = _profile.Icon();
if (profileIcon == HideIconValue)
{
CurrentIconType(_IconTypes.GetAt(0));
}
else if (L"\uE700" <= profileIcon && profileIcon <= L"\uF8B3")
{
CurrentIconType(_IconTypes.GetAt(1));
_DeduceCurrentBuiltInIcon();
}
else if (profileIcon.size() <= 2)
{
// We already did a range check for MDL2 Assets in the previous one,
// so if we're out of that range but still short, assume we're an emoji
CurrentIconType(_IconTypes.GetAt(2));
}
else
{
CurrentIconType(_IconTypes.GetAt(3));
}
}
void ProfileViewModel::_DeduceCurrentBuiltInIcon()
{
if (!_BuiltInIcons)
{
_UpdateBuiltInIcons();
}
const auto& profileIcon = Icon();
for (uint32_t i = 0; i < _BuiltInIcons.Size(); i++)
{
const auto& builtIn = _BuiltInIcons.GetAt(i);
if (profileIcon == unbox_value<hstring>(builtIn.as<Editor::EnumEntry>().EnumValue()))
{
_CurrentBuiltInIcon = builtIn;
return;
}
}
_CurrentBuiltInIcon = _BuiltInIcons.GetAt(0);
}
Model::TerminalSettings ProfileViewModel::TermSettings() const
{
return Model::TerminalSettings::CreateForPreview(_appSettings, _profile);
}
// Method Description:
// - Updates the lists of fonts and sorts them alphabetically
void ProfileViewModel::UpdateFontList() noexcept
try
{
// initialize font list
std::vector<Editor::Font> fontList;
std::vector<Editor::Font> monospaceFontList;
// get the font collection; subscribe to updates
wil::com_ptr<IDWriteFactory> factory;
THROW_IF_FAILED(DWriteCreateFactory(DWRITE_FACTORY_TYPE_SHARED, __uuidof(factory), reinterpret_cast<::IUnknown**>(factory.addressof())));
wil::com_ptr<IDWriteFontCollection> fontCollection;
THROW_IF_FAILED(factory->GetSystemFontCollection(fontCollection.addressof(), TRUE));
wchar_t localeName[LOCALE_NAME_MAX_LENGTH];
if (!GetUserDefaultLocaleName(&localeName[0], LOCALE_NAME_MAX_LENGTH))
{
memcpy(&localeName[0], L"en-US", 12);
}
for (UINT32 i = 0; i < fontCollection->GetFontFamilyCount(); ++i)
{
try
{
// get the font family
com_ptr<IDWriteFontFamily> fontFamily;
THROW_IF_FAILED(fontCollection->GetFontFamily(i, fontFamily.put()));
// construct a font entry for tracking
if (const auto fontEntry{ fontObjectForDWriteFont(fontFamily.get(), &localeName[0]) })
{
// check if the font is monospaced
try
{
com_ptr<IDWriteFont> font;
THROW_IF_FAILED(fontFamily->GetFirstMatchingFont(DWRITE_FONT_WEIGHT::DWRITE_FONT_WEIGHT_NORMAL,
DWRITE_FONT_STRETCH::DWRITE_FONT_STRETCH_NORMAL,
DWRITE_FONT_STYLE::DWRITE_FONT_STYLE_NORMAL,
font.put()));
// add the font name to our list of monospace fonts
const auto castedFont{ font.try_as<IDWriteFont1>() };
if (castedFont && castedFont->IsMonospacedFont())
{
monospaceFontList.emplace_back(fontEntry);
}
}
CATCH_LOG();
// add the font name to our list of all fonts
fontList.emplace_back(std::move(fontEntry));
}
}
CATCH_LOG();
}
const auto comparator = [&](const Editor::Font& lhs, const Editor::Font& rhs) {
const auto a = lhs.LocalizedName();
const auto b = rhs.LocalizedName();
return til::compare_linguistic_insensitive(a, b) < 0;
};
// sort and save the lists
std::sort(begin(fontList), end(fontList), comparator);
_FontList = single_threaded_observable_vector<Editor::Font>(std::move(fontList));
std::sort(begin(monospaceFontList), end(monospaceFontList), comparator);
_MonospaceFontList = single_threaded_observable_vector<Editor::Font>(std::move(monospaceFontList));
}
CATCH_LOG();
static winrt::hstring getLocalizedStringByIndex(IDWriteLocalizedStrings* strings, UINT32 index)
{
UINT32 length = 0;
THROW_IF_FAILED(strings->GetStringLength(index, &length));
winrt::impl::hstring_builder builder{ length };
THROW_IF_FAILED(strings->GetString(index, builder.data(), length + 1));
return builder.to_hstring();
}
static UINT32 getLocalizedStringIndex(IDWriteLocalizedStrings* strings, const wchar_t* locale, UINT32 fallback)
{
UINT32 index;
BOOL exists;
if (FAILED(strings->FindLocaleName(locale, &index, &exists)) || !exists)
{
index = fallback;
}
return index;
}
static Editor::Font fontObjectForDWriteFont(IDWriteFontFamily* family, const wchar_t* locale)
{
wil::com_ptr<IDWriteLocalizedStrings> familyNames;
THROW_IF_FAILED(family->GetFamilyNames(familyNames.addressof()));
// If en-us is missing we fall back to whatever is at index 0.
const auto ci = getLocalizedStringIndex(familyNames.get(), L"en-US", 0);
// If our locale is missing we fall back to en-us.
const auto li = getLocalizedStringIndex(familyNames.get(), locale, ci);
auto canonical = getLocalizedStringByIndex(familyNames.get(), ci);
// If the canonical/localized indices are the same, there's no need to get the other string.
auto localized = ci == li ? canonical : getLocalizedStringByIndex(familyNames.get(), li);
return make<Font>(std::move(canonical), std::move(localized));
}
winrt::guid ProfileViewModel::OriginalProfileGuid() const noexcept
{
return _originalProfileGuid;
}
bool ProfileViewModel::CanDeleteProfile() const
{
return !IsBaseLayer();
}
Editor::AppearanceViewModel ProfileViewModel::DefaultAppearance()
{
return _defaultAppearanceViewModel;
}
bool ProfileViewModel::HasUnfocusedAppearance()
{
return _profile.HasUnfocusedAppearance();
}
bool ProfileViewModel::EditableUnfocusedAppearance() const noexcept
{
return Feature_EditableUnfocusedAppearance::IsEnabled();
}
bool ProfileViewModel::ShowUnfocusedAppearance()
{
return EditableUnfocusedAppearance() && HasUnfocusedAppearance();
}
void ProfileViewModel::CreateUnfocusedAppearance()
{
_profile.CreateUnfocusedAppearance();
_unfocusedAppearanceViewModel = winrt::make<implementation::AppearanceViewModel>(_profile.UnfocusedAppearance().try_as<AppearanceConfig>());
_unfocusedAppearanceViewModel.SchemesList(DefaultAppearance().SchemesList());
_NotifyChanges(L"UnfocusedAppearance", L"HasUnfocusedAppearance", L"ShowUnfocusedAppearance");
}
void ProfileViewModel::DeleteUnfocusedAppearance()
{
_profile.DeleteUnfocusedAppearance();
_unfocusedAppearanceViewModel = nullptr;
_NotifyChanges(L"UnfocusedAppearance", L"HasUnfocusedAppearance", L"ShowUnfocusedAppearance");
}
Editor::AppearanceViewModel ProfileViewModel::UnfocusedAppearance()
{
return _unfocusedAppearanceViewModel;
}
bool ProfileViewModel::ShowMarksAvailable() const noexcept
{
return Feature_ScrollbarMarks::IsEnabled();
}
bool ProfileViewModel::AutoMarkPromptsAvailable() const noexcept
{
return Feature_ScrollbarMarks::IsEnabled();
}
bool ProfileViewModel::RepositionCursorWithMouseAvailable() const noexcept
{
return Feature_ScrollbarMarks::IsEnabled();
}
bool ProfileViewModel::UseParentProcessDirectory()
{
return StartingDirectory().empty();
}
// This function simply returns the opposite of UseParentProcessDirectory.
// We bind the 'IsEnabled' parameters of the textbox and browse button
// to this because it needs to be the reverse of UseParentProcessDirectory
// but we don't want to create a whole new converter for inverting a boolean
bool ProfileViewModel::UseCustomStartingDirectory()
{
return !UseParentProcessDirectory();
}
void ProfileViewModel::UseParentProcessDirectory(const bool useParent)
{
if (useParent)
{
// Stash the current value of StartingDirectory. If the user
// checks and un-checks the "Use parent process directory" button, we want
// the path that we display in the text box to remain unchanged.
//
// Only stash this value if it's not empty
if (!StartingDirectory().empty())
{
_lastStartingDirectoryPath = StartingDirectory();
}
StartingDirectory(L"");
}
else
{
// Restore the path we had previously cached as long as it wasn't empty
// If it was empty, set the starting directory to %USERPROFILE%
// (we need to set it to something non-empty otherwise we will automatically
// disable the text box)
if (_lastStartingDirectoryPath.empty())
{
StartingDirectory(L"%USERPROFILE%");
}
else
{
StartingDirectory(_lastStartingDirectoryPath);
}
}
}
winrt::hstring ProfileViewModel::LocalizedIcon() const
{
if (_currentIconType && unbox_value<IconType>(_currentIconType.as<Editor::EnumEntry>().EnumValue()) == IconType::None)
{
return RS_(L"Profile_IconTypeNone");
}
return Icon();
}
void ProfileViewModel::CurrentIconType(const Windows::Foundation::IInspectable& value)
{
if (_currentIconType != value)
{
// Switching from...
if (_currentIconType && unbox_value<IconType>(_currentIconType.as<Editor::EnumEntry>().EnumValue()) == IconType::Image)
{
// Stash the current value of Icon. If the user
// switches out of then back to IconType::Image, we want
// the path that we display in the text box to remain unchanged.
_lastIconPath = Icon();
}
// Set the member here instead of after setting Icon() below!
// We have an Icon property changed handler defined for when we discard changes.
// Inadvertently, that means that we call this setter again.
// Setting the member here means that we early exit at the beginning of the function
// because _currentIconType == value.
_currentIconType = value;
// Switched to...
switch (unbox_value<IconType>(value.as<Editor::EnumEntry>().EnumValue()))
{
case IconType::None:
{
Icon(HideIconValue);
break;
}
case IconType::Image:
{
if (!_lastIconPath.empty())
{
// Conversely, if we switch to Image,
// retrieve that saved value and apply it
Icon(_lastIconPath);
_NotifyChanges(L"Icon");
}
break;
}
case IconType::FontIcon:
{
if (_CurrentBuiltInIcon)
{
Icon(unbox_value<hstring>(_CurrentBuiltInIcon.as<Editor::EnumEntry>().EnumValue()));
}
break;
}
case IconType::Emoji:
{
CurrentEmojiIcon({});
}
}
_NotifyChanges(L"CurrentIconType");
}
};
bool ProfileViewModel::UsingNoIcon() const
{
return _currentIconType == _IconTypes.GetAt(0);
}
bool ProfileViewModel::UsingBuiltInIcon() const
{
return _currentIconType == _IconTypes.GetAt(1);
}
bool ProfileViewModel::UsingEmojiIcon() const
{
return _currentIconType == _IconTypes.GetAt(2);
}
bool ProfileViewModel::UsingImageIcon() const
{
return _currentIconType == _IconTypes.GetAt(3);
}
bool ProfileViewModel::IsBellStyleFlagSet(const uint32_t flag)
{
return (WI_EnumValue(BellStyle()) & flag) == flag;
}
void ProfileViewModel::SetBellStyleAudible(winrt::Windows::Foundation::IReference<bool> on)
{
auto currentStyle = BellStyle();
WI_UpdateFlag(currentStyle, Model::BellStyle::Audible, winrt::unbox_value<bool>(on));
BellStyle(currentStyle);
}
void ProfileViewModel::SetBellStyleWindow(winrt::Windows::Foundation::IReference<bool> on)
{
auto currentStyle = BellStyle();
WI_UpdateFlag(currentStyle, Model::BellStyle::Window, winrt::unbox_value<bool>(on));
BellStyle(currentStyle);
}
void ProfileViewModel::SetBellStyleTaskbar(winrt::Windows::Foundation::IReference<bool> on)
{
auto currentStyle = BellStyle();
WI_UpdateFlag(currentStyle, Model::BellStyle::Taskbar, winrt::unbox_value<bool>(on));
BellStyle(currentStyle);
}
void ProfileViewModel::DeleteProfile()
{
auto deleteProfileArgs{ winrt::make_self<DeleteProfileEventArgs>(Guid()) };
DeleteProfileRequested.raise(*this, *deleteProfileArgs);
}
void ProfileViewModel::SetupAppearances(Windows::Foundation::Collections::IObservableVector<Editor::ColorSchemeViewModel> schemesList)
{
DefaultAppearance().SchemesList(schemesList);
if (UnfocusedAppearance())
{
UnfocusedAppearance().SchemesList(schemesList);
}
}
}