terminal/src/cascadia/TerminalSettingsModel/ActionAndArgs.cpp
2021-10-13 08:12:16 -05:00

395 lines
20 KiB
C++

#include "pch.h"
#include "AllShortcutActions.h"
#include "ActionArgs.h"
#include "ActionAndArgs.h"
#include "ActionAndArgs.g.cpp"
#include "JsonUtils.h"
#include "HashUtils.h"
#include <LibraryResources.h>
static constexpr std::string_view AdjustFontSizeKey{ "adjustFontSize" };
static constexpr std::string_view CloseOtherTabsKey{ "closeOtherTabs" };
static constexpr std::string_view ClosePaneKey{ "closePane" };
static constexpr std::string_view CloseTabKey{ "closeTab" };
static constexpr std::string_view CloseTabsAfterKey{ "closeTabsAfter" };
static constexpr std::string_view CloseWindowKey{ "closeWindow" };
static constexpr std::string_view CopyTextKey{ "copy" };
static constexpr std::string_view DuplicateTabKey{ "duplicateTab" };
static constexpr std::string_view ExecuteCommandlineKey{ "wt" };
static constexpr std::string_view FindKey{ "find" };
static constexpr std::string_view MoveFocusKey{ "moveFocus" };
static constexpr std::string_view MovePaneKey{ "movePane" };
static constexpr std::string_view SwapPaneKey{ "swapPane" };
static constexpr std::string_view NewTabKey{ "newTab" };
static constexpr std::string_view NextTabKey{ "nextTab" };
static constexpr std::string_view OpenNewTabDropdownKey{ "openNewTabDropdown" };
static constexpr std::string_view OpenSettingsKey{ "openSettings" };
static constexpr std::string_view OpenTabColorPickerKey{ "openTabColorPicker" };
static constexpr std::string_view PasteTextKey{ "paste" };
static constexpr std::string_view PrevTabKey{ "prevTab" };
static constexpr std::string_view RenameTabKey{ "renameTab" };
static constexpr std::string_view OpenTabRenamerKey{ "openTabRenamer" };
static constexpr std::string_view ResetFontSizeKey{ "resetFontSize" };
static constexpr std::string_view ResizePaneKey{ "resizePane" };
static constexpr std::string_view ScrollDownKey{ "scrollDown" };
static constexpr std::string_view ScrollDownPageKey{ "scrollDownPage" };
static constexpr std::string_view ScrollUpKey{ "scrollUp" };
static constexpr std::string_view ScrollUpPageKey{ "scrollUpPage" };
static constexpr std::string_view ScrollToTopKey{ "scrollToTop" };
static constexpr std::string_view ScrollToBottomKey{ "scrollToBottom" };
static constexpr std::string_view SendInputKey{ "sendInput" };
static constexpr std::string_view SetColorSchemeKey{ "setColorScheme" };
static constexpr std::string_view SetTabColorKey{ "setTabColor" };
static constexpr std::string_view SplitPaneKey{ "splitPane" };
static constexpr std::string_view SwitchToTabKey{ "switchToTab" };
static constexpr std::string_view TabSearchKey{ "tabSearch" };
static constexpr std::string_view ToggleAlwaysOnTopKey{ "toggleAlwaysOnTop" };
static constexpr std::string_view ToggleCommandPaletteKey{ "commandPalette" };
static constexpr std::string_view ToggleFocusModeKey{ "toggleFocusMode" };
static constexpr std::string_view ToggleFullscreenKey{ "toggleFullscreen" };
static constexpr std::string_view TogglePaneZoomKey{ "togglePaneZoom" };
static constexpr std::string_view ToggleSplitOrientationKey{ "toggleSplitOrientation" };
static constexpr std::string_view LegacyToggleRetroEffectKey{ "toggleRetroEffect" };
static constexpr std::string_view ToggleShaderEffectsKey{ "toggleShaderEffects" };
static constexpr std::string_view MoveTabKey{ "moveTab" };
static constexpr std::string_view BreakIntoDebuggerKey{ "breakIntoDebugger" };
static constexpr std::string_view FindMatchKey{ "findMatch" };
static constexpr std::string_view TogglePaneReadOnlyKey{ "toggleReadOnlyMode" };
static constexpr std::string_view NewWindowKey{ "newWindow" };
static constexpr std::string_view IdentifyWindowKey{ "identifyWindow" };
static constexpr std::string_view IdentifyWindowsKey{ "identifyWindows" };
static constexpr std::string_view RenameWindowKey{ "renameWindow" };
static constexpr std::string_view OpenWindowRenamerKey{ "openWindowRenamer" };
static constexpr std::string_view GlobalSummonKey{ "globalSummon" };
static constexpr std::string_view QuakeModeKey{ "quakeMode" };
static constexpr std::string_view FocusPaneKey{ "focusPane" };
static constexpr std::string_view OpenSystemMenuKey{ "openSystemMenu" };
static constexpr std::string_view ClearBufferKey{ "clearBuffer" };
static constexpr std::string_view MultipleActionsKey{ "multipleActions" };
static constexpr std::string_view QuitKey{ "quit" };
static constexpr std::string_view HacktionKey{ "hacktion" };
static constexpr std::string_view ActionKey{ "action" };
// This key is reserved to remove a keybinding, instead of mapping it to an action.
static constexpr std::string_view UnboundKey{ "unbound" };
#define KEY_TO_ACTION_PAIR(action) { action##Key, ShortcutAction::action },
#define ACTION_TO_KEY_PAIR(action) { ShortcutAction::action, action##Key },
#define ACTION_TO_SERIALIZERS_PAIR(action) { ShortcutAction::action, { action##Args::FromJson, action##Args::ToJson } },
namespace winrt::Microsoft::Terminal::Settings::Model::implementation
{
using namespace ::Microsoft::Terminal::Settings::Model;
// Specifically use a map here over an unordered_map. We want to be able to
// iterate over these entries in-order when we're serializing the keybindings.
// HERE BE DRAGONS:
// These are string_views that are being used as keys. These string_views are
// just pointers to other strings. This could be dangerous, if the map outlived
// the actual strings being pointed to. However, since both these strings and
// the map are all const for the lifetime of the app, we have nothing to worry
// about here.
const std::map<std::string_view, ShortcutAction, std::less<>> ActionAndArgs::ActionKeyNamesMap{
#define ON_ALL_ACTIONS(action) KEY_TO_ACTION_PAIR(action)
ALL_SHORTCUT_ACTIONS
#undef ON_ALL_ACTIONS
};
static const std::map<ShortcutAction, std::string_view, std::less<>> ActionToStringMap{
#define ON_ALL_ACTIONS(action) ACTION_TO_KEY_PAIR(action)
ALL_SHORTCUT_ACTIONS
#undef ON_ALL_ACTIONS
};
using ParseResult = std::tuple<IActionArgs, std::vector<SettingsLoadWarnings>>;
using ParseActionFunction = std::function<ParseResult(const Json::Value&)>;
using SerializeActionFunction = std::function<Json::Value(IActionArgs)>;
// This is a map of ShortcutAction->{function<IActionArgs(Json::Value)>, function<Json::Value(IActionArgs)>. It holds
// a set of (de)serializer functions that can be used to (de)serialize an IActionArgs
// from json. Each type of IActionArgs that can accept arbitrary args should be
// placed into this map, with the corresponding deserializer function as the
// value.
static const std::unordered_map<ShortcutAction, std::pair<ParseActionFunction, SerializeActionFunction>> argSerializerMap{
// These are special cases.
// - QuakeMode: deserializes into a GlobalSummon, so we don't need a serializer
// - Invalid: has no args
{ ShortcutAction::QuakeMode, { GlobalSummonArgs::QuakeModeFromJson, nullptr } },
{ ShortcutAction::Invalid, { nullptr, nullptr } },
#define ON_ALL_ACTIONS_WITH_ARGS(action) ACTION_TO_SERIALIZERS_PAIR(action)
ALL_SHORTCUT_ACTIONS_WITH_ARGS
#undef ON_ALL_ACTIONS_WITH_ARGS
};
ActionAndArgs::ActionAndArgs(ShortcutAction action)
{
// Find the deserializer
const auto deserializersIter = argSerializerMap.find(action);
if (deserializersIter != argSerializerMap.end())
{
auto pfn = deserializersIter->second.first;
if (pfn)
{
// Call the deserializer on an empty JSON object.
// This ensures that we have a valid ActionArgs
std::vector<Microsoft::Terminal::Settings::Model::SettingsLoadWarnings> parseWarnings;
std::tie(_Args, parseWarnings) = pfn({});
}
// if an arg parser was registered, but failed,
// return the invalid ActionAndArgs we started with.
if (pfn && _Args == nullptr)
{
return;
}
}
// Either...
// (1) we don't have a deserializer, so it's ok for _Args to be null, or
// (2) we had one AND it worked, so _Args is set up properly
_Action = action;
}
// Function Description:
// - Attempts to match a string to a ShortcutAction. If there's no match, then
// returns ShortcutAction::Invalid
// Arguments:
// - actionString: the string to match to a ShortcutAction
// Return Value:
// - The ShortcutAction corresponding to the given string, if a match exists.
static ShortcutAction GetActionFromString(const std::string_view actionString)
{
// Try matching the command to one we have. If we can't find the
// action name in our list of names, let's just unbind that key.
const auto found = ActionAndArgs::ActionKeyNamesMap.find(actionString);
return found != ActionAndArgs::ActionKeyNamesMap.end() ? found->second : ShortcutAction::Invalid;
}
// Method Description:
// - Deserialize an ActionAndArgs from the provided json object or string `json`.
// * If json is a string, we'll attempt to treat it as an action name,
// without arguments.
// * If json is an object, we'll attempt to retrieve the action name from
// its "action" property, and we'll use that name to fine a deserializer
// to precess the rest of the arguments in the json object.
// - If the action name is null or "unbound", or we don't understand the
// action name, or we failed to parse the arguments to this action, we'll
// return null. This should indicate to the caller that the action should
// be unbound.
// - If there were any warnings while parsing arguments for the action,
// they'll be appended to the warnings parameter.
// Arguments:
// - json: The Json::Value to attempt to parse as an ActionAndArgs
// - warnings: If there were any warnings during parsing, they'll be
// appended to this vector.
// Return Value:
// - a deserialized ActionAndArgs corresponding to the values in json, or
// an "invalid" action if we failed to deserialize an action.
winrt::com_ptr<ActionAndArgs> ActionAndArgs::FromJson(const Json::Value& json,
std::vector<SettingsLoadWarnings>& warnings)
{
// Invalid is our placeholder that the action was not parsed.
ShortcutAction action = ShortcutAction::Invalid;
// Actions can be serialized in two styles:
// "action": "switchToTab0",
// "action": { "action": "switchToTab", "index": 0 },
// NOTE: For keybindings, the "action" param is actually "command"
// 1. In the first case, the json is a string, that's the
// action name. There are no provided args, so we'll pass
// Json::Value::null to the parse function.
// 2. In the second case, the json is an object. We'll use the
// "action" in that object as the action name. We'll then pass
// the json object to the arg parser, for further parsing.
auto argsVal = Json::Value::null;
// Only try to parse the action if it's actually a string value.
// `null` will not pass this check.
if (json.isString())
{
auto commandString = json.asString();
action = GetActionFromString(commandString);
}
else if (json.isObject())
{
if (const auto actionString{ JsonUtils::GetValueForKey<std::optional<std::string>>(json, ActionKey) })
{
action = GetActionFromString(*actionString);
argsVal = json;
}
}
// Some keybindings can accept other arbitrary arguments. If it
// does, we'll try to deserialize any "args" that were provided with
// the binding.
IActionArgs args{ nullptr };
std::vector<Microsoft::Terminal::Settings::Model::SettingsLoadWarnings> parseWarnings;
const auto deserializersIter = argSerializerMap.find(action);
if (deserializersIter != argSerializerMap.end())
{
auto pfn = deserializersIter->second.first;
if (pfn)
{
std::tie(args, parseWarnings) = pfn(argsVal);
}
warnings.insert(warnings.end(), parseWarnings.begin(), parseWarnings.end());
// if an arg parser was registered, but failed, bail
if (pfn && args == nullptr)
{
return make_self<ActionAndArgs>();
}
}
// Something like
// { name: "foo", action: "unbound" }
// will _remove_ the "foo" command, by returning an "invalid" action here.
return make_self<ActionAndArgs>(action, args);
}
Json::Value ActionAndArgs::ToJson(const Model::ActionAndArgs& val)
{
if (val)
{
// Search for the ShortcutAction
const auto shortcutActionIter{ ActionToStringMap.find(val.Action()) };
if (shortcutActionIter == ActionToStringMap.end())
{
// Couldn't find the ShortcutAction,
// return... "command": "unbound"
return static_cast<std::string>(UnboundKey);
}
if (!val.Args())
{
// No args to serialize,
// output something like... "command": "copy"
return static_cast<std::string>(shortcutActionIter->second);
}
else
{
// Serialize any set args,
// output something like... "command": { "action": "copy", "singleLine": false }
Json::Value result{ Json::ValueType::objectValue };
// Set the action args, if any
const auto actionArgSerializerIter{ argSerializerMap.find(val.Action()) };
if (actionArgSerializerIter != argSerializerMap.end())
{
auto pfn{ actionArgSerializerIter->second.second };
if (pfn)
{
result = pfn(val.Args());
}
}
// Set the "action" part
result[static_cast<std::string>(ActionKey)] = static_cast<std::string>(shortcutActionIter->second);
return result;
}
}
// "command": "unbound"
return static_cast<std::string>(UnboundKey);
}
com_ptr<ActionAndArgs> ActionAndArgs::Copy() const
{
auto copy{ winrt::make_self<ActionAndArgs>() };
copy->_Action = _Action;
copy->_Args = _Args ? _Args.Copy() : IActionArgs{ nullptr };
return copy;
}
winrt::hstring ActionAndArgs::GenerateName() const
{
// Use a magic static to initialize this map, because we won't be able
// to load the resources at _init_, only at runtime.
static const auto GeneratedActionNames = []() {
return std::unordered_map<ShortcutAction, winrt::hstring>{
{ ShortcutAction::AdjustFontSize, RS_(L"AdjustFontSizeCommandKey") },
{ ShortcutAction::CloseOtherTabs, L"" }, // Intentionally omitted, must be generated by GenerateName
{ ShortcutAction::ClosePane, RS_(L"ClosePaneCommandKey") },
{ ShortcutAction::CloseTab, L"" }, // Intentionally omitted, must be generated by GenerateName
{ ShortcutAction::CloseTabsAfter, L"" }, // Intentionally omitted, must be generated by GenerateName
{ ShortcutAction::CloseWindow, RS_(L"CloseWindowCommandKey") },
{ ShortcutAction::CopyText, RS_(L"CopyTextCommandKey") },
{ ShortcutAction::DuplicateTab, RS_(L"DuplicateTabCommandKey") },
{ ShortcutAction::ExecuteCommandline, RS_(L"ExecuteCommandlineCommandKey") },
{ ShortcutAction::Find, RS_(L"FindCommandKey") },
{ ShortcutAction::Invalid, L"" },
{ ShortcutAction::MoveFocus, RS_(L"MoveFocusCommandKey") },
{ ShortcutAction::MovePane, RS_(L"MovePaneCommandKey") },
{ ShortcutAction::SwapPane, RS_(L"SwapPaneCommandKey") },
{ ShortcutAction::NewTab, RS_(L"NewTabCommandKey") },
{ ShortcutAction::NextTab, RS_(L"NextTabCommandKey") },
{ ShortcutAction::OpenNewTabDropdown, RS_(L"OpenNewTabDropdownCommandKey") },
{ ShortcutAction::OpenSettings, RS_(L"OpenSettingsUICommandKey") },
{ ShortcutAction::OpenTabColorPicker, RS_(L"OpenTabColorPickerCommandKey") },
{ ShortcutAction::PasteText, RS_(L"PasteTextCommandKey") },
{ ShortcutAction::PrevTab, RS_(L"PrevTabCommandKey") },
{ ShortcutAction::RenameTab, RS_(L"ResetTabNameCommandKey") },
{ ShortcutAction::OpenTabRenamer, RS_(L"OpenTabRenamerCommandKey") },
{ ShortcutAction::ResetFontSize, RS_(L"ResetFontSizeCommandKey") },
{ ShortcutAction::ResizePane, RS_(L"ResizePaneCommandKey") },
{ ShortcutAction::ScrollDown, RS_(L"ScrollDownCommandKey") },
{ ShortcutAction::ScrollDownPage, RS_(L"ScrollDownPageCommandKey") },
{ ShortcutAction::ScrollUp, RS_(L"ScrollUpCommandKey") },
{ ShortcutAction::ScrollUpPage, RS_(L"ScrollUpPageCommandKey") },
{ ShortcutAction::ScrollToTop, RS_(L"ScrollToTopCommandKey") },
{ ShortcutAction::ScrollToBottom, RS_(L"ScrollToBottomCommandKey") },
{ ShortcutAction::SendInput, L"" },
{ ShortcutAction::SetColorScheme, L"" },
{ ShortcutAction::SetTabColor, RS_(L"ResetTabColorCommandKey") },
{ ShortcutAction::SplitPane, RS_(L"SplitPaneCommandKey") },
{ ShortcutAction::SwitchToTab, RS_(L"SwitchToTabCommandKey") },
{ ShortcutAction::TabSearch, RS_(L"TabSearchCommandKey") },
{ ShortcutAction::ToggleAlwaysOnTop, RS_(L"ToggleAlwaysOnTopCommandKey") },
{ ShortcutAction::ToggleCommandPalette, L"" },
{ ShortcutAction::ToggleFocusMode, RS_(L"ToggleFocusModeCommandKey") },
{ ShortcutAction::ToggleFullscreen, RS_(L"ToggleFullscreenCommandKey") },
{ ShortcutAction::TogglePaneZoom, RS_(L"TogglePaneZoomCommandKey") },
{ ShortcutAction::ToggleSplitOrientation, RS_(L"ToggleSplitOrientationCommandKey") },
{ ShortcutAction::ToggleShaderEffects, RS_(L"ToggleShaderEffectsCommandKey") },
{ ShortcutAction::MoveTab, L"" }, // Intentionally omitted, must be generated by GenerateName
{ ShortcutAction::BreakIntoDebugger, RS_(L"BreakIntoDebuggerCommandKey") },
{ ShortcutAction::FindMatch, L"" }, // Intentionally omitted, must be generated by GenerateName
{ ShortcutAction::TogglePaneReadOnly, RS_(L"TogglePaneReadOnlyCommandKey") },
{ ShortcutAction::NewWindow, RS_(L"NewWindowCommandKey") },
{ ShortcutAction::IdentifyWindow, RS_(L"IdentifyWindowCommandKey") },
{ ShortcutAction::IdentifyWindows, RS_(L"IdentifyWindowsCommandKey") },
{ ShortcutAction::RenameWindow, RS_(L"ResetWindowNameCommandKey") },
{ ShortcutAction::OpenWindowRenamer, RS_(L"OpenWindowRenamerCommandKey") },
{ ShortcutAction::GlobalSummon, L"" }, // Intentionally omitted, must be generated by GenerateName
{ ShortcutAction::QuakeMode, RS_(L"QuakeModeCommandKey") },
{ ShortcutAction::FocusPane, L"" }, // Intentionally omitted, must be generated by GenerateName
{ ShortcutAction::OpenSystemMenu, RS_(L"OpenSystemMenuCommandKey") },
{ ShortcutAction::ClearBuffer, L"" }, // Intentionally omitted, must be generated by GenerateName
{ ShortcutAction::MultipleActions, L"" }, // Intentionally omitted, must be generated by GenerateName
{ ShortcutAction::Quit, RS_(L"QuitCommandKey") },
{ ShortcutAction::Hacktion, L"Hacktion!" },
};
}();
if (_Args)
{
auto nameFromArgs = _Args.GenerateName();
if (!nameFromArgs.empty())
{
return nameFromArgs;
}
}
const auto found = GeneratedActionNames.find(_Action);
return found != GeneratedActionNames.end() ? found->second : L"";
}
}