214 lines
10 KiB
C++
214 lines
10 KiB
C++
#include "content/views/view_command_palette.hpp"
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#include <hex/api/content_registry.hpp>
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#include <wolv/utils/guards.hpp>
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namespace hex::plugin::builtin {
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ViewCommandPalette::ViewCommandPalette() : View::Special("hex.builtin.view.command_palette.name") {
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// Add global shortcut to open the command palette
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ShortcutManager::addGlobalShortcut(CTRLCMD + SHIFT + Keys::P, "hex.builtin.view.command_palette.name", [this] {
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RequestOpenPopup::post("hex.builtin.view.command_palette.name"_lang);
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m_commandPaletteOpen = true;
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m_justOpened = true;
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});
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EventSearchBoxClicked::subscribe([this](ImGuiMouseButton button) {
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if (button == ImGuiMouseButton_Left) {
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RequestOpenPopup::post("hex.builtin.view.command_palette.name"_lang);
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m_commandPaletteOpen = true;
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m_justOpened = true;
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}
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});
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}
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void ViewCommandPalette::drawAlwaysVisibleContent() {
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// If the command palette is hidden, don't draw it
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if (!m_commandPaletteOpen) return;
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auto windowPos = ImHexApi::System::getMainWindowPosition();
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auto windowSize = ImHexApi::System::getMainWindowSize();
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ImGui::SetNextWindowPos(ImVec2(windowPos.x + windowSize.x * 0.5F, windowPos.y), ImGuiCond_Always, ImVec2(0.5F, 0.0F));
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ImGui::SetNextWindowSizeConstraints(this->getMinSize(), this->getMaxSize());
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if (ImGui::BeginPopup("hex.builtin.view.command_palette.name"_lang)) {
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ImGui::BringWindowToDisplayFront(ImGui::GetCurrentWindowRead());
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ImGui::BringWindowToFocusFront(ImGui::GetCurrentWindowRead());
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// Close the popup if the user presses ESC
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if (ImGui::IsKeyDown(ImGuiKey_Escape))
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ImGui::CloseCurrentPopup();
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const auto buttonColor = [](float alpha) {
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return ImU32(ImColor(ImGui::GetStyleColorVec4(ImGuiCol_ModalWindowDimBg) * ImVec4(1, 1, 1, alpha)));
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};
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// Draw the main input text box
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ImGui::PushItemWidth(-1);
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ImGui::PushStyleColor(ImGuiCol_FrameBg, buttonColor(0.5F));
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ImGui::PushStyleColor(ImGuiCol_FrameBgHovered, buttonColor(0.7F));
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ImGui::PushStyleColor(ImGuiCol_FrameBgActive, buttonColor(0.9F));
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ImGui::PushStyleVar(ImGuiStyleVar_FrameBorderSize, 1.0_scaled);
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ImGui::PushStyleVar(ImGuiStyleVar_FrameRounding, 4_scaled);
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if (ImGui::InputText("##command_input", m_commandBuffer)) {
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m_lastResults = this->getCommandResults(m_commandBuffer);
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}
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ImGui::SetItemKeyOwner(ImGuiKey_LeftAlt, ImGuiInputFlags_CondActive);
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ImGui::PopStyleVar(2);
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ImGui::PopStyleColor(3);
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ImGui::PopItemWidth();
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ImGui::SetItemDefaultFocus();
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if (m_moveCursorToEnd) {
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auto textState = ImGui::GetInputTextState(ImGui::GetID("##command_input"));
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if (textState != nullptr) {
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textState->Stb.cursor =
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textState->Stb.select_start =
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textState->Stb.select_end = m_commandBuffer.size();
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}
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m_moveCursorToEnd = false;
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}
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// Handle giving back focus to the input text box
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if (m_focusInputTextBox) {
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ImGui::SetKeyboardFocusHere(-1);
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ImGui::ActivateItemByID(ImGui::GetID("##command_input"));
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m_focusInputTextBox = false;
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m_moveCursorToEnd = true;
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}
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// Execute the currently selected command when pressing enter
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if (ImGui::IsItemFocused() && (ImGui::IsKeyPressed(ImGuiKey_Enter, false) || ImGui::IsKeyPressed(ImGuiKey_KeypadEnter, false))) {
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if (!m_lastResults.empty()) {
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auto &[displayResult, matchedCommand, callback] = m_lastResults.front();
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callback(matchedCommand);
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}
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ImGui::CloseCurrentPopup();
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}
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// Focus the input text box when the popup is opened
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if (m_justOpened) {
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focusInputTextBox();
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m_lastResults = this->getCommandResults("");
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m_commandBuffer.clear();
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m_justOpened = false;
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}
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ImGui::SetCursorPosY(ImGui::GetCursorPosY() + ImGui::GetStyle().FramePadding.y);
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ImGui::Separator();
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// Draw the results
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if (ImGui::BeginChild("##results", ImGui::GetContentRegionAvail(), false, ImGuiWindowFlags_AlwaysVerticalScrollbar | ImGuiWindowFlags_NavFlattened)) {
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for (const auto &[displayResult, matchedCommand, callback] : m_lastResults) {
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ImGui::PushTabStop(true);
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ON_SCOPE_EXIT { ImGui::PopTabStop(); };
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// Allow executing a command by clicking on it or selecting it with the keyboard and pressing enter
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if (ImGui::Selectable(displayResult.c_str(), false, ImGuiSelectableFlags_DontClosePopups)) {
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callback(matchedCommand);
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break;
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}
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if (ImGui::IsItemFocused() && (ImGui::IsKeyDown(ImGuiKey_Enter) || ImGui::IsKeyDown(ImGuiKey_KeypadEnter))) {
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callback(matchedCommand);
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break;
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}
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}
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}
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ImGui::EndChild();
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ImGui::EndPopup();
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} else {
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m_commandPaletteOpen = false;
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}
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}
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std::vector<ViewCommandPalette::CommandResult> ViewCommandPalette::getCommandResults(const std::string &input) {
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constexpr static auto MatchCommand = [](const std::string &currCommand, const std::string &commandToMatch) -> std::pair<MatchType, std::string_view> {
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// Check if the current input matches a command
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// NoMatch means that the input doesn't match the command
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// PartialMatch means that the input partially matches the command but is not a perfect match
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// PerfectMatch means that the input perfectly matches the command
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if (currCommand.empty()) {
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return { MatchType::InfoMatch, "" };
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} else if (currCommand.size() <= commandToMatch.size()) {
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if (commandToMatch.starts_with(currCommand))
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return { MatchType::PartialMatch, currCommand };
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else
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return { MatchType::NoMatch, {} };
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} else {
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if (currCommand.starts_with(commandToMatch))
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return { MatchType::PerfectMatch, currCommand.substr(commandToMatch.length()) };
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else
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return { MatchType::NoMatch, {} };
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}
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};
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std::vector<CommandResult> results;
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// Loop over every registered command and check if the input matches it
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for (const auto &[type, command, unlocalizedDescription, displayCallback, executeCallback] : ContentRegistry::CommandPaletteCommands::impl::getEntries()) {
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auto AutoComplete = [this, currCommand = command](auto) {
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this->focusInputTextBox();
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m_commandBuffer = currCommand + " ";
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m_lastResults = this->getCommandResults(currCommand);
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};
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if (type == ContentRegistry::CommandPaletteCommands::Type::SymbolCommand) {
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// Handle symbol commands
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// These commands are used by entering a single symbol and then any input
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if (auto [match, value] = MatchCommand(input, command); match != MatchType::NoMatch) {
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if (match != MatchType::PerfectMatch) {
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results.push_back({ command + " (" + Lang(unlocalizedDescription) + ")", "", AutoComplete });
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} else {
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auto matchedCommand = wolv::util::trim(input.substr(command.length()));
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results.push_back({ displayCallback(matchedCommand), matchedCommand, executeCallback });
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}
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}
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} else if (type == ContentRegistry::CommandPaletteCommands::Type::KeywordCommand) {
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// Handle keyword commands
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// These commands are used by entering a keyword followed by a space and then any input
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if (auto [match, value] = MatchCommand(input, command + " "); match != MatchType::NoMatch) {
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if (match != MatchType::PerfectMatch) {
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results.push_back({ command + " (" + Lang(unlocalizedDescription) + ")", "", AutoComplete });
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} else {
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auto matchedCommand = wolv::util::trim(input.substr(command.length() + 1));
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results.push_back({ displayCallback(matchedCommand), matchedCommand, executeCallback });
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}
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}
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}
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}
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// WHen a command has been identified, show the query results for that command
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for (const auto &handler : ContentRegistry::CommandPaletteCommands::impl::getHandlers()) {
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const auto &[type, command, queryCallback, displayCallback] = handler;
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auto processedInput = input;
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if (processedInput.starts_with(command))
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processedInput = wolv::util::trim(processedInput.substr(command.length()));
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for (const auto &[description, callback] : queryCallback(processedInput)) {
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if (type == ContentRegistry::CommandPaletteCommands::Type::SymbolCommand) {
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if (auto [match, value] = MatchCommand(input, command); match != MatchType::NoMatch) {
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results.push_back({ hex::format("{} ({})", command, description), "", callback });
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}
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} else if (type == ContentRegistry::CommandPaletteCommands::Type::KeywordCommand) {
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if (auto [match, value] = MatchCommand(input, command + " "); match != MatchType::NoMatch) {
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results.push_back({ hex::format("{} ({})", command, description), "", callback });
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}
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}
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}
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}
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return results;
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}
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} |