initial commit

src/date_format_page.h

@@ -0,0 +1,40 @@
+#pragma once
+
+#include "page.h"
+#include "text_cache.h"
+#include <SDL3_ttf/SDL_ttf.h>
+#include <string>
+#include <vector>
+
+class DateFormatPage : public Page {
+public:
+    void onPush(AppState& state) override;
+    void onResume(AppState& state) override;
+    void onPause(AppState& state) override;
+    void onPop(AppState& state) override;
+    void handleEvent(const SDL_Event& event) override;
+    void update(float dt) override;
+    void render(SDL_Renderer* renderer) override;
+
+private:
+    void createFonts();
+    void destroyFonts();
+    void destroyTextures();
+
+    AppState* state_ = nullptr;
+    std::string currentFormat_; // saved strftime pattern
+    int selectedIndex_ = 0;
+    std::string statusMessage_;
+
+    TTF_Font* fontTitle_ = nullptr;
+    TTF_Font* fontHeader_ = nullptr;
+    TTF_Font* fontBody_ = nullptr;
+    TTF_Font* fontSmall_ = nullptr;
+
+    CachedText titleText_;
+    CachedText currentText_;
+    CachedText statusText_;
+    CachedText hintText_;
+    std::vector<CachedText> nameRows_;
+    std::vector<CachedText> sampleRows_;
+};