wxdragon-sys 0.9.16

#include <wx/wxprec.h>
#include <wx/wx.h>
#include "wx/combobox.h"
#include "wx/window.h"
#include "wx/string.h"
#include "wx/arrstr.h"
#include "wx/defs.h" // For wxNOT_FOUND
#include "../include/wxdragon.h"
#include "wxd_utils.h"

extern "C" {

WXD_EXPORTED wxd_ComboBox_t*
wxd_ComboBox_Create(wxd_Window_t* parent, wxd_Id id,
                    const char* value, // Initial value for text field
                    wxd_Point pos, wxd_Size size, wxd_Style_t style)
{
    wxWindow* parentWin = (wxWindow*)parent;
    if (!parentWin)
        return nullptr;

    wxString wxValue = wxString::FromUTF8(value ? value : "");
    wxComboBox* combo = new wxComboBox(parentWin, id, wxValue, wxd_cpp_utils::to_wx(pos),
                                       wxd_cpp_utils::to_wx(size), 0, nullptr, style);
    return (wxd_ComboBox_t*)combo;
}

WXD_EXPORTED void
wxd_ComboBox_Append(wxd_ComboBox_t* combo, const char* item)
{
    wxComboBox* cb = (wxComboBox*)combo;
    if (cb && item) {
        cb->Append(wxString::FromUTF8(item));
    }
}

WXD_EXPORTED void
wxd_ComboBox_Insert(wxd_ComboBox_t* combo, const char* item, unsigned int pos)
{
    wxComboBox* cb = (wxComboBox*)combo;
    if (cb && item) {
        cb->Insert(wxString::FromUTF8(item), pos);
    }
}

WXD_EXPORTED void
wxd_ComboBox_Clear(wxd_ComboBox_t* combo)
{
    wxComboBox* cb = (wxComboBox*)combo;
    if (cb) {
        cb->Clear(); // Clears list items
        // cb->SetValue(""); // Optionally clear text field too?
        // Standard Clear() only clears the list.
    }
}

WXD_EXPORTED int
wxd_ComboBox_GetSelection(wxd_ComboBox_t* combo)
{
    wxComboBox* cb = (wxComboBox*)combo;
    if (!cb)
        return wxNOT_FOUND;
    return cb->GetSelection(); // Returns wxNOT_FOUND (-1) if nothing selected
}

WXD_EXPORTED int
wxd_ComboBox_GetStringSelection(wxd_ComboBox_t* combo, char* buffer, size_t buffer_len)
{
    if (!combo)
        return -1;
    wxComboBox* cb = (wxComboBox*)combo;
    wxString selection = cb->GetStringSelection();
    return (int)wxd_cpp_utils::copy_wxstring_to_buffer(selection, buffer, buffer_len);
}

WXD_EXPORTED void
wxd_ComboBox_SetSelection(wxd_ComboBox_t* combo, int index)
{
    wxComboBox* cb = (wxComboBox*)combo;
    if (cb) {
        // SetSelection also updates the text field to the selected string
        cb->SetSelection(index);
    }
}

WXD_EXPORTED int
wxd_ComboBox_GetString(wxd_ComboBox_t* combo, int index, char* buffer, size_t buffer_len)
{
    if (!combo)
        return -1;
    wxComboBox* cb = (wxComboBox*)combo;
    if (index < 0 || (unsigned int)index >= cb->GetCount())
        return -1;

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

WXD_EXPORTED unsigned int
wxd_ComboBox_GetCount(wxd_ComboBox_t* combo)
{
    wxComboBox* cb = (wxComboBox*)combo;
    if (!cb)
        return 0;
    return cb->GetCount();
}

WXD_EXPORTED void
wxd_ComboBox_SetValue(wxd_ComboBox_t* combo, const char* value)
{
    wxComboBox* cb = (wxComboBox*)combo;
    if (cb) {
        cb->SetValue(wxString::FromUTF8(value ? value : ""));
    }
}

WXD_EXPORTED int
wxd_ComboBox_GetValue(wxd_ComboBox_t* combo, char* buffer, size_t buffer_len)
{
    if (!combo)
        return -1;
    wxComboBox* cb = (wxComboBox*)combo;
    wxString value = cb->GetValue();
    return (int)wxd_cpp_utils::copy_wxstring_to_buffer(value, buffer, buffer_len);
}

// Text Selection Functions (inherited from wxTextEntry)
WXD_EXPORTED void
wxd_ComboBox_GetTextSelection(wxd_ComboBox_t* combo, wxd_Long_t* from, wxd_Long_t* to)
{
    if (!combo || !from || !to)
        return;
    wxComboBox* cb = (wxComboBox*)combo;
    long wx_from, wx_to;
    cb->GetSelection(&wx_from, &wx_to);
    *from = static_cast<wxd_Long_t>(wx_from);
    *to = static_cast<wxd_Long_t>(wx_to);
}

WXD_EXPORTED void
wxd_ComboBox_SetTextSelection(wxd_ComboBox_t* combo, wxd_Long_t from, wxd_Long_t to)
{
    if (!combo)
        return;
    wxComboBox* cb = (wxComboBox*)combo;
    cb->SetSelection(static_cast<long>(from), static_cast<long>(to));
}

WXD_EXPORTED wxd_Long_t
wxd_ComboBox_GetInsertionPoint(wxd_ComboBox_t* combo)
{
    if (!combo)
        return 0;
    wxComboBox* cb = (wxComboBox*)combo;
    return static_cast<wxd_Long_t>(cb->GetInsertionPoint());
}

WXD_EXPORTED void
wxd_ComboBox_SetInsertionPoint(wxd_ComboBox_t* combo, wxd_Long_t pos)
{
    if (!combo)
        return;
    wxComboBox* cb = (wxComboBox*)combo;
    cb->SetInsertionPoint(static_cast<long>(pos));
}

WXD_EXPORTED wxd_Long_t
wxd_ComboBox_GetLastPosition(wxd_ComboBox_t* combo)
{
    if (!combo)
        return 0;
    wxComboBox* cb = (wxComboBox*)combo;
    return static_cast<wxd_Long_t>(cb->GetLastPosition());
}

// Destroy handled by parent window

} // extern "C"