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134 lines
2.8 KiB
134 lines
2.8 KiB
// |
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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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