combobox.cpp

Go to the documentation of this file.

#include "stdafx.h"
#include "../stdafx.h"
#include "combobox.h"

Combobox::Combobox()
{

}

Combobox::Combobox(int ID)
{
    this->ID = ID;
}

Combobox::Combobox(int X, int Y, int HEIGHT, int WIDTH, WCHAR* TEXT)
{
    this->create(X, Y, HEIGHT, WIDTH, TEXT);
}

Combobox::~Combobox()
{
    this->remove();
}

HWND Combobox::create(int X, int Y, int HEIGHT, int WIDTH, WCHAR* TEXT)
{
    if (this->chWnd)
    {
        return this->chWnd;
    }
    this->chWnd = CreateWindowExW(NULL, TEXT("COMBOBOX"), TEXT(""),
        WS_CHILD | WS_VISIBLE | CBS_DROPDOWNLIST | CBS_AUTOHSCROLL,
        X, Y, WIDTH, 30,
        this->hWnd, (HMENU)this->ID, this->hInst, NULL);

    this->addItem(TEXT);

    HFONT hfont = CreateFont(HEIGHT, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, TEXT("Arial"));
    SendMessage(this->chWnd, WM_SETFONT, (WPARAM)hfont, 0);

    return this->chWnd;
}

void Combobox::addItem(WCHAR* item)
{
    WCHAR buf[100];
    memset(&buf, 0, sizeof(buf));
    wcscpy_s(buf, sizeof(buf) / sizeof(WCHAR), (WCHAR*)item);
    SendMessage(this->chWnd, (UINT)CB_ADDSTRING, (WPARAM)0, (LPARAM)buf);
    SendMessage(this->chWnd, CB_SETCURSEL, (WPARAM)0, (LPARAM)0);
}

int Combobox::getCurrentItem()
{
    return ComboBox_GetCurSel(this->chWnd);
}

HWND Combobox::getHWND()
{
    return this->chWnd;
}

void Combobox::remove()
{
    DestroyWindow(GetDlgItem(this->hWnd, this->ID));
    this->chWnd = NULL;
}