palette_editor_widget.h

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#ifndef YAZE_APP_GUI_WIDGETS_PALETTE_EDITOR_WIDGET_H
#define YAZE_APP_GUI_WIDGETS_PALETTE_EDITOR_WIDGET_H
 
#include <functional>
#include <map>
#include <vector>
 
#include "app/gfx/core/bitmap.h"
#include "app/gfx/types/snes_palette.h"
#include "app/rom.h"
#include "imgui/imgui.h"
 
namespace yaze {
namespace gui {
 
class PaletteEditorWidget {
 public:
  PaletteEditorWidget() = default;
 
  void Initialize(Rom *rom);
 
  // Embedded drawing function, like the old PaletteEditorWidget
  void Draw();
 
  // Modal dialogs from the more feature-rich PaletteWidget
  void ShowPaletteEditor(gfx::SnesPalette &palette,
                         const std::string &title = "Palette Editor");
  void ShowROMPaletteManager();
  void ShowColorAnalysis(const gfx::Bitmap &bitmap,
                         const std::string &title = "Color Analysis");
 
  bool ApplyROMPalette(gfx::Bitmap *bitmap, int group_index, int palette_index);
  const gfx::SnesPalette *GetSelectedROMPalette() const;
  void SavePaletteBackup(const gfx::SnesPalette &palette);
  bool RestorePaletteBackup(gfx::SnesPalette &palette);
 
  // Callback when palette is modified
  void SetOnPaletteChanged(std::function<void(int palette_id)> callback) {
    on_palette_changed_ = callback;
  }
 
  // Get/Set current editing palette
  int GetCurrentPaletteId() const { return current_palette_id_; }
  void SetCurrentPaletteId(int id) { current_palette_id_ = id; }
 
  bool IsROMLoaded() const { return rom_ != nullptr; }
  int GetCurrentGroupIndex() const { return current_group_index_; }
  void DrawROMPaletteSelector();
 
 private:
  void DrawPaletteGrid(gfx::SnesPalette &palette, int cols = 15);
  void DrawColorEditControls(gfx::SnesColor &color, int color_index);
  void DrawPaletteAnalysis(const gfx::SnesPalette &palette);
  void LoadROMPalettes();
 
  // For embedded view
  void DrawPaletteSelector();
  void DrawColorPicker();
 
  Rom *rom_ = nullptr;
  std::vector<gfx::SnesPalette> rom_palette_groups_;
  std::vector<std::string> palette_group_names_;
  gfx::SnesPalette backup_palette_;
 
  int current_group_index_ = 0;
  int current_palette_index_ = 0;  // used by ROM palette selector
  bool rom_palettes_loaded_ = false;
  bool show_color_analysis_ = false;
  bool show_rom_manager_ = false;
 
  // State for embedded editor
  int current_palette_id_ = 0;
  int selected_color_index_ = -1;
  ImVec4 editing_color_{0, 0, 0, 1};
 
  // Callback for palette changes
  std::function<void(int palette_id)> on_palette_changed_;
 
  // Color editing state
  int editing_color_index_ = -1;
  ImVec4 temp_color_ = ImVec4(0, 0, 0, 1);
};
 
}  // namespace gui
}  // namespace yaze
 
#endif  // YAZE_APP_GUI_WIDGETS_PALETTE_EDITOR_WIDGET_H