diff options
Diffstat (limited to 'vendor/vstsdk2.4/vstgui.sf/vstgui/cscrollview.h')
| -rw-r--r-- | vendor/vstsdk2.4/vstgui.sf/vstgui/cscrollview.h | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/vendor/vstsdk2.4/vstgui.sf/vstgui/cscrollview.h b/vendor/vstsdk2.4/vstgui.sf/vstgui/cscrollview.h new file mode 100644 index 0000000..f5f85cd --- /dev/null +++ b/vendor/vstsdk2.4/vstgui.sf/vstgui/cscrollview.h @@ -0,0 +1,179 @@ +//----------------------------------------------------------------------------- +// VST Plug-Ins SDK +// VSTGUI: Graphical User Interface Framework for VST plugins : +// +// CScrollView written 2004 by Arne Scheffler +// +//----------------------------------------------------------------------------- +// VSTGUI LICENSE +// © 2003, Steinberg Media Technologies, All Rights Reserved +//----------------------------------------------------------------------------- +// Redistribution and use in source and binary forms, with or without modification, +// are permitted provided that the following conditions are met: +// +// * Redistributions of source code must retain the above copyright notice, +// this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above copyright notice, +// this list of conditions and the following disclaimer in the documentation +// and/or other materials provided with the distribution. +// * Neither the name of the Steinberg Media Technologies nor the names of its +// contributors may be used to endorse or promote products derived from this +// software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +// IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, +// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE +// OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED +// OF THE POSSIBILITY OF SUCH DAMAGE. +//----------------------------------------------------------------------------- + +#ifndef __cscrollview__ +#define __cscrollview__ + +#ifndef __vstgui__ +#include "vstgui.h" +#endif + +BEGIN_NAMESPACE_VSTGUI + +class CScrollbar; +class CScrollContainer; + +//----------------------------------------------------------------------------- +class CScrollView : public CViewContainer, CControlListener +//! a scrollable view +//----------------------------------------------------------------------------- +{ +public: + CScrollView (const CRect &size, const CRect &containerSize, CFrame* pParent, long style, long scrollbarWidth = 16, CBitmap* pBackground = 0); + virtual ~CScrollView (); + + // style + enum { + kHorizontalScrollbar = 1 << 1, ///< add a horizontal scrollbar + kVerticalScrollbar = 1 << 2 ///< add a vertical scrollbar + }; + + virtual void setContainerSize (const CRect& cs); ///< set the virtual size of this container + virtual void addView (CView *pView); + virtual void drawBackgroundRect (CDrawContext *pContext, CRect& _updateRect); + virtual bool onWheel (CDrawContext *pContext, const CPoint &where, const CMouseWheelAxis axis, float distance); + virtual void valueChanged (CDrawContext *pContext, CControl *pControl); + + virtual CScrollbar* getVerticalScrollbar () const { return vsb; } + virtual CScrollbar* getHorizontalScrollbar () const { return hsb; } + + CLASS_METHODS(CScrollView, CViewContainer) +//----------------------------------------------------------------------------- +protected: + CScrollContainer* sc; + CScrollbar* vsb; + CScrollbar* hsb; + + CRect containerSize; + long style; + +private: + enum { + kHSBTag, + kVSBTag, + }; +}; + +//----------------------------------------------------------------------------- +class CScrollContainer : public CViewContainer +//----------------------------------------------------------------------------- +{ +public: + CScrollContainer (const CRect &size, const CRect &containerSize, CFrame *pParent, CBitmap *pBackground = 0); + virtual ~CScrollContainer (); + + void setScrollOffset (CPoint offset, bool withRedraw = false); + void getScrollOffset (CPoint& off) const { off = offset; } + + CRect getContainerSize () const { return containerSize; } + void setContainerSize (const CRect& cs); + + virtual void redrawRect (CDrawContext* context, const CRect& rect); + virtual bool isDirty () const; + + CLASS_METHODS(CScrollContainer, CViewContainer) +//----------------------------------------------------------------------------- +protected: + CRect containerSize; + CPoint offset; +}; + +//----------------------------------------------------------------------------- +class IScrollbarDrawer +//----------------------------------------------------------------------------- +{ +public: + virtual void drawScrollbarBackground (CDrawContext* pContext, const CRect& size, long style, CScrollbar* bar) = 0; + virtual void drawScrollbarScroller (CDrawContext* pContext, const CRect& size, long style, CScrollbar* bar) = 0; +}; + +//----------------------------------------------------------------------------- +class CScrollbar : public CControl +//! a scrollbar control +//----------------------------------------------------------------------------- +{ +public: + CScrollbar (const CRect& size, CControlListener* listener, long tag, long style, const CRect& scrollSize); + virtual ~CScrollbar (); + + enum { + kHorizontal, + kVertical, + }; + + virtual void setDrawer (IScrollbarDrawer* d) { drawer = d; } + virtual void setScrollSize (const CRect& ssize); + virtual void setStep (float newStep) { stepValue = newStep; } + + CRect& getScrollSize (CRect& rect) const { rect = scrollSize; return rect; } + float getStep () const { return stepValue; } + + virtual void setFrameColor (const CColor& color) { frameColor = color; } + virtual void setScrollerColor (const CColor& color) { scrollerColor = color; } + virtual void setBackgroundColor (const CColor& color) { backgroundColor = color; } + + CColor getFrameColor () const { return frameColor; } + CColor getScrollerColor () const { return scrollerColor; } + CColor getBackgroundColor () const { return backgroundColor; } + + virtual void draw (CDrawContext* pContext); + virtual void mouse (CDrawContext* pContext, CPoint& where, long buttons = -1); + virtual bool onWheel (CDrawContext *pContext, const CPoint &where, float distance); + + CLASS_METHODS(CScrollbar, CControl) +//----------------------------------------------------------------------------- +protected: + void drawBackground (CDrawContext* pContext); + void drawScroller (CDrawContext* pContext, const CRect& size); + + void calculateScrollerLength (); + CRect getScrollerRect (); + + long style; + CRect scrollSize; + CRect scrollerArea; + + float stepValue; + CCoord scrollerLength; + + CColor frameColor; + CColor scrollerColor; + CColor backgroundColor; + + IScrollbarDrawer* drawer; +}; + +END_NAMESPACE_VSTGUI + +#endif |