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ImHex/source/views/view_command_palette.cpp

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#include "views/view_command_palette.hpp"
#include <cstring>
namespace hex {
ViewCommandPalette::ViewCommandPalette() : View("hex.view.command_palette.name") {
this->m_commandBuffer.resize(1024, 0x00);
}
ViewCommandPalette::~ViewCommandPalette() {
}
void ViewCommandPalette::drawContent() {
if (!this->m_commandPaletteOpen) return;
ImGui::SetNextWindowPos(ImVec2(SharedData::windowPos.x + SharedData::windowSize.x * 0.5F, SharedData::windowPos.y), ImGuiCond_Always, ImVec2(0.5F,0.0F));
if (ImGui::BeginPopup("hex.view.command_palette.name"_lang)) {
if (ImGui::IsKeyDown(ImGui::GetKeyIndex(ImGuiKey_Escape)))
ImGui::CloseCurrentPopup();
ImGui::PushItemWidth(-1);
if (ImGui::InputText("##command_input", this->m_commandBuffer.data(), this->m_commandBuffer.size(), ImGuiInputTextFlags_CallbackEdit | ImGuiInputTextFlags_EnterReturnsTrue,
[](ImGuiInputTextCallbackData *callbackData) -> int {
auto _this = static_cast<ViewCommandPalette*>(callbackData->UserData);
_this->m_lastResults = _this->getCommandResults(callbackData->Buf);
return 0;
}, this)) {
if (!this->m_lastResults.empty()) {
auto &[displayResult, matchedCommand, callback] = this->m_lastResults.front();
callback(matchedCommand);
}
ImGui::CloseCurrentPopup();
}
ImGui::PopItemWidth();
if (this->m_justOpened) {
focusInputTextBox();
this->m_lastResults = this->getCommandResults("");
std::memset(this->m_commandBuffer.data(), 0x00, this->m_commandBuffer.size());
this->m_justOpened = false;
}
if (this->m_focusInputTextBox) {
ImGui::SetKeyboardFocusHere(0);
this->m_focusInputTextBox = false;
}
ImGui::Separator();
for (const auto &[displayResult, matchedCommand, callback] : this->m_lastResults) {
if (ImGui::Selectable(displayResult.c_str(), false, ImGuiSelectableFlags_DontClosePopups))
callback(matchedCommand);
}
ImGui::EndPopup();
} else {
this->m_commandPaletteOpen = false;
}
}
void ViewCommandPalette::drawMenu() {
}
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bool ViewCommandPalette::handleShortcut(bool keys[512], bool ctrl, bool shift, bool alt) {
if (ctrl && shift && keys['P']) {
View::doLater([this] {
ImGui::OpenPopup("hex.view.command_palette.name"_lang);
this->m_commandPaletteOpen = true;
this->m_justOpened = true;
});
return true;
}
return false;
}
std::vector<ViewCommandPalette::CommandResult> ViewCommandPalette::getCommandResults(const std::string &input) {
constexpr auto MatchCommand = [](const std::string &currCommand, const std::string &commandToMatch) -> std::pair<MatchType, std::string_view> {
if (currCommand.empty()) {
return { MatchType::InfoMatch, "" };
}
else if (currCommand.size() <= commandToMatch.size()) {
if (commandToMatch.starts_with(currCommand))
return { MatchType::PartialMatch, currCommand };
else
return { MatchType::NoMatch, { } };
}
else {
if (currCommand.starts_with(commandToMatch))
return { MatchType::PerfectMatch, currCommand.substr(commandToMatch.length()) };
else
return { MatchType::NoMatch, { } };
}
};
std::vector<CommandResult> results;
for (const auto &[type, command, unlocalizedDescription, displayCallback, executeCallback] : ContentRegistry::CommandPaletteCommands::getEntries()) {
auto AutoComplete = [this, &currCommand = command](auto) {
focusInputTextBox();
std::strncpy(this->m_commandBuffer.data(), currCommand.data(), this->m_commandBuffer.size());
this->m_lastResults = this->getCommandResults(currCommand);
};
if (type == ContentRegistry::CommandPaletteCommands::Type::SymbolCommand) {
if (auto [match, value] = MatchCommand(input, command); match != MatchType::NoMatch) {
if (match != MatchType::PerfectMatch)
results.push_back({ command + " (" + LangEntry(unlocalizedDescription) + ")", "", AutoComplete });
else {
auto matchedCommand = input.substr(command.length());
results.push_back({ displayCallback(matchedCommand), matchedCommand, executeCallback });
}
}
} else if (type == ContentRegistry::CommandPaletteCommands::Type::KeywordCommand) {
if (auto [match, value] = MatchCommand(input, command + " "); match != MatchType::NoMatch) {
if (match != MatchType::PerfectMatch)
results.push_back({ command + " (" + LangEntry(unlocalizedDescription) + ")", "", AutoComplete });
else {
auto matchedCommand = input.substr(command.length() + 1);
results.push_back({ displayCallback(matchedCommand), matchedCommand, executeCallback });
}
}
}
}
return results;
}
}