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