wxdragon-sys 0.4.1

#include "../include/wxdragon.h"
#include "wxd_utils.h"
#include <wx/wx.h>
#include <wx/bmpcbox.h> // Include header for wxBitmapComboBox
#include <wx/bitmap.h> // For wxBitmap
#include <wx/arrstr.h> // For GetStrings

extern "C" {

WXD_EXPORTED wxd_BitmapComboBox_t* wxd_BitmapComboBox_Create(
    wxd_Window_t* parent,
    wxd_Id id,
    const char* value, 
    wxd_Point pos,
    wxd_Size size,
    wxd_Style_t style
) {
    wxWindow* parentWin = (wxWindow*)parent;
    if (!parentWin) return nullptr;

    wxString wxValue = wxString::FromUTF8(value ? value : "");
    // wxBitmapComboBox needs an empty wxArrayString initially.
    wxBitmapComboBox* combo = new wxBitmapComboBox(
        parentWin, 
        id, 
        wxValue, 
        wxd_cpp_utils::to_wx(pos),
        wxd_cpp_utils::to_wx(size),
        wxArrayString(), // Empty choices initially
        style
    );
    return (wxd_BitmapComboBox_t*)combo;
}

WXD_EXPORTED void wxd_BitmapComboBox_Append(
    wxd_BitmapComboBox_t* self, 
    const char* item, 
    wxd_Bitmap_t* bitmap // Can be NULL
) {
    wxBitmapComboBox* cb = (wxBitmapComboBox*)self;
    if (!cb) return;
    wxString wxItem = wxString::FromUTF8(item ? item : "");
    wxBitmap* wxBmp = (wxBitmap*)bitmap;
    
    if (wxBmp && wxBmp->IsOk()) {
        cb->Append(wxItem, *wxBmp);
    } else {
        // Append without bitmap if bitmap is null or invalid
        cb->Append(wxItem);
        // Alternatively, use wxNullBitmap explicitly:
        // cb->Append(wxItem, wxNullBitmap);
    }
}

WXD_EXPORTED void wxd_BitmapComboBox_Clear(wxd_BitmapComboBox_t* self) {
    wxBitmapComboBox* cb = (wxBitmapComboBox*)self;
    if (cb) {
        cb->Clear(); 
        // cb->SetValue(""); // Optionally clear text field?
    }
}

WXD_EXPORTED int wxd_BitmapComboBox_GetSelection(wxd_BitmapComboBox_t* self) {
    wxBitmapComboBox* cb = (wxBitmapComboBox*)self;
    if (!cb) return wxNOT_FOUND;
    return cb->GetSelection(); 
}

WXD_EXPORTED void wxd_BitmapComboBox_SetSelection(wxd_BitmapComboBox_t* self, int index) {
    wxBitmapComboBox* cb = (wxBitmapComboBox*)self;
    if (cb) {
        cb->SetSelection(index);
    }
}

WXD_EXPORTED int wxd_BitmapComboBox_GetString(wxd_BitmapComboBox_t* self, int index, char* buffer, int buffer_len) {
    wxBitmapComboBox* cb = (wxBitmapComboBox*)self;
    if (!cb) return 0;
    if (index < 0 || (unsigned int)index >= cb->GetCount()) {
        if (buffer && buffer_len > 0) buffer[0] = '\0';
        return 0;
    }

    wxString item = cb->GetString((unsigned int)index);
    size_t needed_len_no_null = wxd_cpp_utils::copy_wxstring_to_buffer(item, buffer, (size_t)buffer_len);
    return (int)(needed_len_no_null + 1);
}

WXD_EXPORTED unsigned int wxd_BitmapComboBox_GetCount(wxd_BitmapComboBox_t* self) {
    wxBitmapComboBox* cb = (wxBitmapComboBox*)self;
    if (!cb) return 0;
    return cb->GetCount();
}

WXD_EXPORTED void wxd_BitmapComboBox_SetValue(wxd_BitmapComboBox_t* self, const char* value) {
    wxBitmapComboBox* cb = (wxBitmapComboBox*)self;
    if (cb) {
        cb->SetValue(wxString::FromUTF8(value ? value : ""));
    }
}

WXD_EXPORTED int wxd_BitmapComboBox_GetValue(wxd_BitmapComboBox_t* self, char* buffer, int buffer_len) {
    wxBitmapComboBox* cb = (wxBitmapComboBox*)self;
    if (!cb) {
         if (buffer && buffer_len > 0) buffer[0] = '\0';
         return 0; 
    }
    
    wxString value = cb->GetValue();
    size_t needed_len_no_null = wxd_cpp_utils::copy_wxstring_to_buffer(value, buffer, (size_t)buffer_len);
    return (int)(needed_len_no_null + 1);
}

WXD_EXPORTED wxd_Bitmap_t* wxd_BitmapComboBox_GetItemBitmap(wxd_BitmapComboBox_t* self, unsigned int n) {
    wxBitmapComboBox* cb = (wxBitmapComboBox*)self;
    if (!cb || n >= cb->GetCount()) return nullptr;
    // GetItemBitmap returns a copy of the bitmap
    wxBitmap bmp = cb->GetItemBitmap(n);
    if (!bmp.IsOk()) return nullptr;
    // Create a new wxBitmap on the heap to return a stable pointer
    return (wxd_Bitmap_t*)new wxBitmap(bmp);
}

WXD_EXPORTED void wxd_BitmapComboBox_SetItemBitmap(wxd_BitmapComboBox_t* self, unsigned int n, wxd_Bitmap_t* bitmap) {
    wxBitmapComboBox* cb = (wxBitmapComboBox*)self;
    if (!cb || n >= cb->GetCount()) return;
    wxBitmap* wxBmp = (wxBitmap*)bitmap;
    // Use wxNullBitmap if the provided bitmap pointer is null or invalid
    cb->SetItemBitmap(n, (wxBmp && wxBmp->IsOk()) ? *wxBmp : wxNullBitmap);
}

// Destroy handled by parent window

} // extern "C"