ylscrollwidget.h

滑动控件的使用哈,只是测试用, 一起共享受一下资源是!

#ifndef __YLSCROLLWIDGET_H__
#define __YLSCROLLWIDGET_H__

#include "AEECLSID_YLSCROLLWIDGET_bid.h"

#include "AEEScrollWidget.h"
#include "AEEWModel.h"
#include "DecoratorWidget.h"
#include "Border.h"
#include "ScrollWidget.h"
#include "wutil.h"

typedef struct YLScrollbarWidget {
	ScrollbarWidget base;
   RGBVAL			rgbArrow; //箭头颜色；颜色渐变时表示箭头的结束颜色

	RGBVAL			rgbStartBlank; //颜色渐变时空白处的起始颜色
	RGBVAL			rgbStartHandle;//颜色渐变时滑块的起始颜色
   RGBVAL			rgbStartArrow; //颜色渐变时箭头的起始颜色
   uint8          nGradientStyle:1;//颜色渐变类型--水平渐变

   uint8          nReserve1;//字节对齐
   uint8          nReserve2;//字节对齐
   uint8          nReserve3;//字节对齐
} YLScrollbarWidget;

static __inline IDecorator *YLSCROLLBARWIDGET_TO_IDECORATOR(YLScrollbarWidget *me) {
   return (IDecorator *)me;
}

static __inline IWidget *YLSCROLLBARWIDGET_TO_IWIDGET(YLScrollbarWidget *me) {
   return (IWidget *)me;
}

int      YLScrollbarWidget_New           (IDecorator **ppo, IShell *piShell, IModule *piModule);
void     YLScrollbarWidget_Ctor          (YLScrollbarWidget *me, AEEVTBL(IDecorator) *pvt, 
                                          IShell *piShell, IModule *piModule, PFNHANDLER pfnDefHandler);
boolean  YLScrollbarWidget_HandleEvent   (IDecorator *po, AEEEvent evt, uint16 wParam, uint32 dwParam);
void     YLScrollbarWidget_Draw          (IDecorator *po, ICanvas *piCanvas, int x, int y);
void     YLScrollbarWidget_SetExtent     (IDecorator *po, WExtent *pe);
void     YLScrollbarWidget_GetExtent     (IDecorator *po, WExtent *pe);
uint32   YLScrollbarWidget_Release       (IDecorator *po);


/////////////////////////////////////////////////////////////////
// Utility functions

int IWidget_WrapInYLScrollbar(IWidget **ppioChild, IShell *piShell, IModule *piModule);



#endif