CustomTabArt.h

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#pragma once
 
#include <wx/aui/auibook.h>
#include <wx/aui/tabart.h>
#include <wx/bitmap.h>
#include <wx/event.h>
 
namespace EmberForge {
 
// Custom event types for tab bar buttons
wxDECLARE_EVENT(EVT_TAB_ART_ADD_BUTTON, wxCommandEvent);
wxDECLARE_EVENT(EVT_TAB_ART_MENU_BUTTON, wxCommandEvent);
 
// Button identifiers for hit testing
enum class TabBarButton { None = 0, AddTab = 1, Menu = 2 };

class CustomTabArt : public wxAuiFlatTabArt {
  public:
    CustomTabArt();
    virtual ~CustomTabArt() = default;
 
    wxAuiTabArt *Clone() override;

    int GetIndentSize() override;

    int GetBestTabCtrlSize(wxWindow *wnd, const wxAuiNotebookPageArray &pages, const wxSize &requiredBmpSize) override;

    void UpdateAccentColor();
 
    int DrawPageTab(wxDC &dc, wxWindow *wnd, wxAuiNotebookPage &page, const wxRect &rect) override;

    void LoadButtonIcons();

    void DrawTabBarButtons(wxDC &dc, wxWindow *wnd, const wxRect &rect);

    TabBarButton ButtonHitTest(int x, int y) const;

    int GetButtonAreaWidth() const;

    void SetHoveredButton(TabBarButton button);

    void SetPressedButton(TabBarButton button);

    bool AreButtonsEnabled() const { return m_buttonsEnabled; }

    void SetButtonsEnabled(bool enabled) { m_buttonsEnabled = enabled; }
 
  private:
    wxColour m_accentColor;
 
    // Button icons (normal, hovered, pressed states)
    wxBitmap m_plusNormal, m_plusHovered, m_plusPressed;
    wxBitmap m_menuNormal, m_menuHovered, m_menuPressed;
 
    // Button rectangles for hit testing (updated during drawing)
    wxRect m_plusButtonRect;
    wxRect m_menuButtonRect;
 
    // Button states
    TabBarButton m_hoveredButton;
    TabBarButton m_pressedButton;
 
    // Whether buttons are enabled
    bool m_buttonsEnabled;
    bool m_iconsLoaded;
 
    // Button dimensions
    static const int BUTTON_SIZE = 20;
    static const int BUTTON_SPACING = 4;
    static const int BUTTON_MARGIN = 8;
};
 
} // namespace EmberForge