backend-infra-engineer: Pre-0.2.2 2024 Q4 snapshot

src/app/editor/system/command_manager.cc

@@ -0,0 +1,143 @@
+#include "command_manager.h"
+
+#include <fstream>
+
+#include "imgui/imgui.h"
+
+namespace yaze {
+namespace app {
+namespace editor {
+
+ImGuiKey MapKeyToImGuiKey(char key) {
+  switch (key) {
+    case 'A':
+      return ImGuiKey_A;
+    case 'B':
+      return ImGuiKey_B;
+    case 'C':
+      return ImGuiKey_C;
+    case 'D':
+      return ImGuiKey_D;
+    case 'E':
+      return ImGuiKey_E;
+    case 'F':
+      return ImGuiKey_F;
+    case 'G':
+      return ImGuiKey_G;
+    case 'H':
+      return ImGuiKey_H;
+    case 'I':
+      return ImGuiKey_I;
+    case 'J':
+      return ImGuiKey_J;
+    case 'K':
+      return ImGuiKey_K;
+    case 'L':
+      return ImGuiKey_L;
+    case 'M':
+      return ImGuiKey_M;
+    case 'N':
+      return ImGuiKey_N;
+    case 'O':
+      return ImGuiKey_O;
+    case 'P':
+      return ImGuiKey_P;
+    case 'Q':
+      return ImGuiKey_Q;
+    case 'R':
+      return ImGuiKey_R;
+    case 'S':
+      return ImGuiKey_S;
+    case 'T':
+      return ImGuiKey_T;
+    case 'U':
+      return ImGuiKey_U;
+    case 'V':
+      return ImGuiKey_V;
+    case 'W':
+      return ImGuiKey_W;
+    case 'X':
+      return ImGuiKey_X;
+    case 'Y':
+      return ImGuiKey_Y;
+    case 'Z':
+      return ImGuiKey_Z;
+    case '/':
+      return ImGuiKey_Slash;
+    case '-':
+      return ImGuiKey_Minus;
+    default:
+      return ImGuiKey_COUNT;
+  }
+}
+
+// When the player presses Space, a popup will appear fixed to the bottom of the
+// ImGui window with a list of the available key commands which can be used.
+void CommandManager::ShowWhichKey() {
+  if (ImGui::IsKeyPressed(ImGuiKey_Space)) {
+    ImGui::OpenPopup("WhichKey");
+  }
+
+  ImGui::SetNextWindowPos(ImVec2(0, ImGui::GetIO().DisplaySize.y - 100),
+                          ImGuiCond_Always);
+  ImGui::SetNextWindowSize(ImVec2(ImGui::GetIO().DisplaySize.x, 100),
+                           ImGuiCond_Always);
+  if (ImGui::BeginPopup("WhichKey")) {
+    // ESC to close the popup
+    if (ImGui::IsKeyPressed(ImGuiKey_Escape)) {
+      ImGui::CloseCurrentPopup();
+    }
+
+    const ImVec4 colors[] = {
+        ImVec4(0.8f, 0.2f, 0.2f, 1.0f),  // Soft Red
+        ImVec4(0.2f, 0.8f, 0.2f, 1.0f),  // Soft Green
+        ImVec4(0.2f, 0.2f, 0.8f, 1.0f),  // Soft Blue
+        ImVec4(0.8f, 0.8f, 0.2f, 1.0f),  // Soft Yellow
+        ImVec4(0.8f, 0.2f, 0.8f, 1.0f),  // Soft Magenta
+        ImVec4(0.2f, 0.8f, 0.8f, 1.0f)   // Soft Cyan
+    };
+    const int numColors = sizeof(colors) / sizeof(colors[0]);
+    int colorIndex = 0;
+
+    if (ImGui::BeginTable("CommandsTable", commands_.size(),
+                          ImGuiTableFlags_SizingStretchProp)) {
+      for (const auto &[shortcut, info] : commands_) {
+        ImGui::TableNextColumn();
+        ImGui::TextColored(colors[colorIndex], "%c: %s",
+                           info.command_info.mnemonic,
+                           info.command_info.name.c_str());
+        colorIndex = (colorIndex + 1) % numColors;
+      }
+      ImGui::EndTable();
+    }
+    ImGui::EndPopup();
+  }
+}
+
+void CommandManager::SaveKeybindings(const std::string &filepath) {
+  std::ofstream out(filepath);
+  if (out.is_open()) {
+    for (const auto &[shortcut, info] : commands_) {
+      out << shortcut << " " << info.command_info.mnemonic << " "
+          << info.command_info.name << " " << info.command_info.desc << "\n";
+    }
+    out.close();
+  }
+}
+
+void CommandManager::LoadKeybindings(const std::string &filepath) {
+  std::ifstream in(filepath);
+  if (in.is_open()) {
+    commands_.clear();
+    std::string shortcut, name, desc;
+    char mnemonic;
+    while (in >> shortcut >> mnemonic >> name >> desc) {
+      commands_[shortcut].command_info = {nullptr, mnemonic, name, desc};
+    }
+    in.close();
+  }
+}
+
+}  // namespace editor
+}  // namespace app
+}  // namespace yaze