avoiding crash for pure modifier events

[wxWidgets.git] / include / wx / msw / slider.h

diff --git a/include/wx/msw/slider.h b/include/wx/msw/slider.h
index 95cf43b5f6b615717d374869c8ec1dc059ddd13a..019bc233da1f017223d002c405c166e3c6859cf9 100644 (file)
--- a/include/wx/msw/slider.h
+++ b/include/wx/msw/slider.h
@@ -1,30 +1,136 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        slider.h
-// Purpose:     wxSlider header, includes slider class headers as appropriate
+// Name:        wx/msw/slider.h
+// Purpose:     wxSlider class implementation using trackbar control
 // Author:      Julian Smart
 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
-// Licence:    wxWindows licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifndef _SLIDER_H_
-#define _SLIDER_H_
-
-#ifdef __GNUG__
-#pragma interface "slider.h"
-#endif
-
-#ifdef __WIN95__
-#include "wx/msw/slider95.h"
-#define wxSlider wxSlider95
-#define sm_classwxSlider sm_classwxSlider95
-#else
-#include "wx/msw/slidrmsw.h"
-#define wxSlider wxSliderMSW
-#define sm_classwxSlider sm_classwxSliderMSW
-#endif
-
-#endif
-    // _SLIDER_H_
+#ifndef _WX_SLIDER_H_
+#define _WX_SLIDER_H_
+
+class WXDLLIMPEXP_FWD_CORE wxSubwindows;
+
+// Slider
+class WXDLLIMPEXP_CORE wxSlider : public wxSliderBase
+{
+public:
+    wxSlider() { Init(); }
+
+    wxSlider(wxWindow *parent,
+             wxWindowID id,
+             int value,
+             int minValue,
+             int maxValue,
+             const wxPoint& pos = wxDefaultPosition,
+             const wxSize& size = wxDefaultSize,
+             long style = wxSL_HORIZONTAL,
+             const wxValidator& validator = wxDefaultValidator,
+             const wxString& name = wxSliderNameStr)
+    {
+        Init();
+
+        (void)Create(parent, id, value, minValue, maxValue,
+                     pos, size, style, validator, name);
+    }
+
+    bool Create(wxWindow *parent,
+                wxWindowID id,
+                int value,
+                int minValue, int maxValue,
+                const wxPoint& pos = wxDefaultPosition,
+                const wxSize& size = wxDefaultSize,
+                long style = wxSL_HORIZONTAL,
+                const wxValidator& validator = wxDefaultValidator,
+                const wxString& name = wxSliderNameStr);
+
+    virtual ~wxSlider();
+
+    // slider methods
+    virtual int GetValue() const;
+    virtual void SetValue(int);
+
+    void SetRange(int minValue, int maxValue);
+
+    int GetMin() const { return m_rangeMin; }
+    int GetMax() const { return m_rangeMax; }
+
+    // Win32-specific slider methods
+    void SetTickFreq(int n, int pos);
+    int GetTickFreq() const { return m_tickFreq; }
+    void SetPageSize(int pageSize);
+    int GetPageSize() const;
+    void ClearSel();
+    void ClearTicks();
+    void SetLineSize(int lineSize);
+    int GetLineSize() const;
+    int GetSelEnd() const;
+    int GetSelStart() const;
+    void SetSelection(int minPos, int maxPos);
+    void SetThumbLength(int len);
+    int GetThumbLength() const;
+    void SetTick(int tickPos);
+
+    // implementation only from now on
+    WXHWND GetStaticMin() const;
+    WXHWND GetStaticMax() const;
+    WXHWND GetEditValue() const;
+    virtual bool ContainsHWND(WXHWND hWnd) const;
+
+    // we should let background show through the slider (and its labels)
+    virtual bool HasTransparentBackground() { return true; }
+
+    // returns true if the platform should explicitly apply a theme border
+    virtual bool CanApplyThemeBorder() const { return false; }
+
+    void Command(wxCommandEvent& event);
+    virtual bool MSWOnScroll(int orientation, WXWORD wParam,
+                             WXWORD pos, WXHWND control);
+
+    virtual bool Show(bool show = true);
+    virtual bool Enable(bool show = true);
+    virtual bool SetFont(const wxFont& font);
+
+    virtual WXDWORD MSWGetStyle(long flags, WXDWORD *exstyle = NULL) const;
+
+protected:
+    // common part of all ctors
+    void Init();
+
+    // format an integer value as string
+    static wxString Format(int n) { return wxString::Format(_T("%d"), n); }
+
+    // get the boundig box for the slider and possible labels
+    wxRect GetBoundingBox() const;
+
+    // get the height and, if the pointer is not NULL, width of our labels
+    int GetLabelsSize(int *width = NULL) const;
+
+
+    // overridden base class virtuals
+    virtual void DoGetPosition(int *x, int *y) const;
+    virtual void DoGetSize(int *width, int *height) const;
+    virtual void DoMoveWindow(int x, int y, int width, int height);
+    virtual wxSize DoGetBestSize() const;
+
+    // the labels windows, if any
+    wxSubwindows  *m_labels;
+
+    int           m_rangeMin;
+    int           m_rangeMax;
+    int           m_pageSize;
+    int           m_lineSize;
+    int           m_tickFreq;
+
+    // flag needed to detect whether we're getting THUMBRELEASE event because
+    // of dragging the thumb or scrolling the mouse wheel
+    bool m_isDragging;
+
+    DECLARE_DYNAMIC_CLASS_NO_COPY(wxSlider)
+};
+
+#endif // _WX_SLIDER_H_
+