138 lines
2.8 KiB
C++
138 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: mxSlider.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/mxSlider.h"
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#include <windows.h>
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#include <commctrl.h>
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class mxSlider_i
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{
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public:
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int dummy;
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};
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mxSlider::mxSlider (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 | TBS_HORZ;
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else if (style == Vertical)
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dwStyle = WS_CHILD | WS_VISIBLE | TBS_VERT;
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void *handle = (void *) CreateWindowEx (0, TRACKBAR_CLASS, "", 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_SLIDER);
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setParent (parent);
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setId (id);
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}
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mxSlider::~mxSlider ()
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{
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}
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void
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mxSlider::setValue (float value)
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{
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int ivalue = (int)((((value - m_min) / (m_max - m_min)) * m_ticks) + 0.5);
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SendMessage ((HWND) getHandle (), TBM_SETPOS, (WPARAM) true, (LPARAM) ivalue);
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}
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void
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mxSlider::setRange (float min, float max, int ticks)
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{
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m_min = min;
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m_max = max;
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m_ticks = ticks;
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SendMessage ((HWND) getHandle (), TBM_SETRANGE, (WPARAM) true, (LPARAM) MAKELONG(0, ticks));
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}
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void
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mxSlider::setSteps (int line, int page)
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{
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SendMessage ((HWND) getHandle (), TBM_SETLINESIZE, 0, (LPARAM) line);
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SendMessage ((HWND) getHandle (), TBM_SETPAGESIZE, 0, (LPARAM) page);
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}
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float
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mxSlider::getValue () const
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{
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int ivalue = SendMessage ((HWND) getHandle (), TBM_GETPOS, 0, 0L);
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return (ivalue / (float)m_ticks) * (m_max - m_min) + m_min;
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}
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float
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mxSlider::getTrackValue ( int ivalue ) const
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{
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return (ivalue / (float)m_ticks) * (m_max - m_min) + m_min;
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}
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float
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mxSlider::getMinValue () const
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{
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return m_min;
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// return (int) SendMessage ((HWND) getHandle (), TBM_GETRANGEMIN, 0, 0L);
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}
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float
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mxSlider::getMaxValue () const
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{
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return m_max;
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// return (int) SendMessage ((HWND) getHandle (), TBM_GETRANGEMAX, 0, 0L);
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}
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int
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mxSlider::getLineStep () const
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{
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return (int) SendMessage ((HWND) getHandle (), TBM_GETLINESIZE, 0, 0L);
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}
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int
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mxSlider::getPageStep () const
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{
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return (int) SendMessage ((HWND) getHandle (), TBM_GETPAGESIZE, 0, 0L);
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}
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