Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//
// mxToolKit (c) 1999 by Mete Ciragan
//
// file: mxScrollbar.cpp
// implementation: Win32 API
// last modified: Mar 18 1999, Mete Ciragan
// copyright: The programs and associated files contained in this
// distribution were developed by Mete Ciragan. The programs
// are not in the public domain, but they are freely
// distributable without licensing fees. These programs are
// provided without guarantee or warrantee expressed or
// implied.
//
#include "mxtk/mxScrollbar.h"
#include <windows.h>
#include <commctrl.h>
class mxScrollbar_i
{
public:
int dummy;
};
mxScrollbar::mxScrollbar (mxWindow *parent, int x, int y, int w, int h, int id, int style)
: mxWidget (parent, x, y, w, h)
{
if (!parent)
return;
DWORD dwStyle = WS_CHILD | WS_VISIBLE;
HWND hwndParent = (HWND) ((mxWidget *) parent)->getHandle ();
if (style == Horizontal)
dwStyle = WS_CHILD | WS_VISIBLE | SBS_HORZ | SBS_RIGHTALIGN;
else if (style == Vertical)
dwStyle = WS_CHILD | WS_VISIBLE | SBS_VERT | SBS_RIGHTALIGN; // WS_VSCROLL;
void *handle = (void *) CreateWindowEx (0, "SCROLLBAR", "", dwStyle,
x, y, w, h, hwndParent,
(HMENU) id, (HINSTANCE) GetModuleHandle (NULL), NULL);
SendMessage ((HWND) handle, WM_SETFONT, (WPARAM) (HFONT) GetStockObject (ANSI_VAR_FONT), MAKELPARAM (TRUE, 0));
SetWindowLong ((HWND) handle, GWL_USERDATA, (LONG) this);
setHandle (handle);
setType (MX_SCROLLBAR);
setParent (parent);
setId (id);
}
mxScrollbar::~mxScrollbar ()
{
}
void
mxScrollbar::setValue (int ivalue)
{
SetScrollPos( (HWND) getHandle (), SB_CTL, ivalue, FALSE );
}
void
mxScrollbar::setRange (int min, int max )
{
SCROLLINFO si = { sizeof( SCROLLINFO ), SIF_RANGE, min, max, 0, 0, 0 };
SetScrollInfo( (HWND) getHandle (), SB_CTL, &si, TRUE );
}
void
mxScrollbar::setPagesize (int size)
{
SCROLLINFO si = { sizeof( SCROLLINFO ), SIF_PAGE, 0, 0, (UINT)size, 0, 0 };
SetScrollInfo( (HWND) getHandle (), SB_CTL, &si, TRUE );
}
int
mxScrollbar::getValue () const
{
// SCROLLINFO si = { sizeof( SCROLLINFO ), SIF_POS | SIF_TRACKPOS, 0, 0, 0, 0, 0 };
// GetScrollInfo( (HWND) getHandle (), SB_CTL, &si );
// return si.nPos;
return GetScrollPos( (HWND) getHandle (), SB_CTL );
}
int
mxScrollbar::getMinValue () const
{
SCROLLINFO si = { sizeof( SCROLLINFO ), SIF_RANGE, 0, 0, 0, 0, 0 };
GetScrollInfo( (HWND) getHandle (), SB_CTL, &si );
return si.nMin;
}
int
mxScrollbar::getMaxValue () const
{
SCROLLINFO si = { sizeof( SCROLLINFO ), SIF_RANGE, 0, 0, 0, 0, 0 };
GetScrollInfo( (HWND) getHandle (), SB_CTL, &si );
return si.nMax;
}
int
mxScrollbar::getPagesize () const
{
SCROLLINFO si = { sizeof( SCROLLINFO ), SIF_PAGE, 0, 0, 0, 0, 0 };
GetScrollInfo( (HWND) getHandle (), SB_CTL, &si );
return si.nPage;
}