palette_editor.h

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#ifndef YAZE_APP_EDITOR_PALETTE_EDITOR_H
#define YAZE_APP_EDITOR_PALETTE_EDITOR_H
 
#include <deque>
#include <optional>
#include <string>
#include <vector>
 
#include "absl/status/status.h"
#include "app/editor/editor.h"
#include "app/editor/palette/palette_group_panel.h"
 
#include "app/gfx/types/snes_color.h"
#include "app/gfx/types/snes_palette.h"
#include "core/palette_catalog.h"
#include "imgui/imgui.h"
#include "rom/rom.h"
 
namespace yaze {
namespace editor {
 
namespace palette_internal {
 
struct PaletteChange {
  std::string group_name;
  size_t palette_index;
  size_t color_index;
  gfx::SnesColor original_color;
  gfx::SnesColor new_color;
};
 
class PaletteEditorHistory {
 public:
  void RecordChange(const std::string& group_name, size_t palette_index,
                    size_t color_index, const gfx::SnesColor& original_color,
                    const gfx::SnesColor& new_color) {
    if (recent_changes_.size() >= kMaxHistorySize) {
      recent_changes_.pop_front();
    }
 
    recent_changes_.push_back(
        {group_name, palette_index, color_index, original_color, new_color});
  }
 
  gfx::SnesColor RestoreOriginalColor(const std::string& group_name,
                                      size_t palette_index,
                                      size_t color_index) const {
    for (const auto& change : recent_changes_) {
      if (change.group_name == group_name &&
          change.palette_index == palette_index &&
          change.color_index == color_index) {
        return change.original_color;
      }
    }
    return gfx::SnesColor();
  }
 
  auto size() const { return recent_changes_.size(); }
 
  gfx::SnesColor& GetModifiedColor(size_t index) {
    return recent_changes_[index].new_color;
  }
  gfx::SnesColor& GetOriginalColor(size_t index) {
    return recent_changes_[index].original_color;
  }
 
  const std::deque<PaletteChange>& GetRecentChanges() const {
    return recent_changes_;
  }
 
 private:
  std::deque<PaletteChange> recent_changes_;
  static const size_t kMaxHistorySize = 50;
};
}  // namespace palette_internal
 
absl::Status DisplayPalette(gfx::SnesPalette& palette, bool loaded);
 
class PaletteEditor : public Editor {
 public:
  explicit PaletteEditor(Rom* rom = nullptr) : rom_(rom) {
    type_ = EditorType::kPalette;
    custom_palette_.push_back(gfx::SnesColor(0x7FFF));
  }
 
  void SetDependencies(const EditorDependencies& deps) override;
  void Initialize() override;
  absl::Status Load() override;
  absl::Status Update() override;
  absl::Status Cut() override { return absl::OkStatus(); }
  absl::Status Copy() override { return absl::OkStatus(); }
  absl::Status Paste() override { return absl::OkStatus(); }
  absl::Status Undo() override;
  absl::Status Redo() override;
  absl::Status Find() override { return absl::OkStatus(); }
  // Palette history lives in gfx::PaletteManager, not Editor::undo_manager_.
  bool CanUndo() const override;
  bool CanRedo() const override;
  bool CanCut() const override { return false; }
  bool CanCopy() const override { return false; }
  bool CanPaste() const override { return false; }
  absl::Status Save() override;
  absl::Status BeginSaveTransaction() override;
  void RollbackSaveTransaction() override;
  void CommitSaveTransaction() override;
 
  void set_rom(Rom* rom) { rom_ = rom; }
  Rom* rom() const { return rom_; }
 
  // Override to propagate game_data to embedded components
  void SetGameData(zelda3::GameData* game_data) override {
    Editor::SetGameData(game_data);
  }
 
  void JumpToPalette(const std::string& group_name, int palette_index);
 
  absl::Status ReloadPaletteCatalog();
  const core::PaletteCatalog* palette_catalog() const {
    return palette_catalog_ ? &*palette_catalog_ : nullptr;
  }
  const absl::Status& palette_catalog_status() const { return catalog_status_; }
 
 private:
  void DrawControlPanel();
  void DrawPaletteCatalog();
  void RefreshPaletteCatalogIfChanged();
  void DrawQuickAccessPanel();
  void DrawCustomPalettePanel();
  void RefreshPanelReferences();
  void ApplyPanelDependencies();
 
  // Category and search UI methods
  void DrawCategorizedPaletteList();
  void DrawSearchBar();
  bool PassesSearchFilter(const std::string& group_name) const;
  PaletteGroupPanel* GetPanelForGroup(const std::string& group_name);
  std::string selected_group_ = "ow_main";
 
  std::optional<core::PaletteCatalog> palette_catalog_;
  absl::Status catalog_status_;
  const project::YazeProject* catalog_project_ = nullptr;
  std::string catalog_path_;
  std::string catalog_project_file_;
  size_t catalog_session_id_ = static_cast<size_t>(-1);
  char catalog_query_[256] = {};
  int catalog_world_ = 0;
  int catalog_use_ = 0;
  bool show_catalog_ = false;
 
  // Legacy methods (for backward compatibility if needed)
  void DrawQuickAccessTab();
  void DrawCustomPalette();
  absl::Status DrawPaletteGroup(int category, bool right_side = false);
  absl::Status EditColorInPalette(gfx::SnesPalette& palette, int index);
  absl::Status ResetColorToOriginal(gfx::SnesPalette& palette, int index,
                                    const gfx::SnesPalette& originalPalette);
  void AddRecentlyUsedColor(const gfx::SnesColor& color);
  absl::Status HandleColorPopup(gfx::SnesPalette& palette, int i, int j, int n);
 
  absl::Status status_;
  gfx::SnesColor current_color_;
 
  std::vector<gfx::SnesColor> custom_palette_;
  std::vector<gfx::SnesColor> recently_used_colors_;
 
  int edit_palette_index_ = -1;
 
  ImVec4 saved_palette_[256] = {};
 
  palette_internal::PaletteEditorHistory history_;
 
  Rom* rom_;
 
  // Search filter for palette groups
  char search_buffer_[256] = "";
 
  // Panel visibility flags (legacy; superseded by WorkspaceWindowManager visibility)
  bool show_control_panel_ = true;
  // Palette panel visibility flags
  bool show_ow_main_panel_ = false;
  bool show_ow_animated_panel_ = false;
  bool show_dungeon_main_panel_ = false;
  bool show_sprite_panel_ = false;
  bool show_sprites_aux1_panel_ = false;
  bool show_sprites_aux2_panel_ = false;
  bool show_sprites_aux3_panel_ = false;
  bool show_equipment_panel_ = false;
  bool show_quick_access_ = false;
  bool show_custom_palette_ = false;
 
  // Palette Panels (formerly Cards)
  // Non-owning references refreshed through WorkspaceWindowManager before use.
  OverworldMainPalettePanel* ow_main_panel_ = nullptr;
  OverworldAnimatedPalettePanel* ow_anim_panel_ = nullptr;
  DungeonMainPalettePanel* dungeon_main_panel_ = nullptr;
  SpritePalettePanel* sprite_global_panel_ = nullptr;
  SpritesAux1PalettePanel* sprite_aux1_panel_ = nullptr;
  SpritesAux2PalettePanel* sprite_aux2_panel_ = nullptr;
  SpritesAux3PalettePanel* sprite_aux3_panel_ = nullptr;
  EquipmentPalettePanel* equipment_panel_ = nullptr;
};
 
}  // namespace editor
}  // namespace yaze
 
#endif