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发表于 2010-3-22 09:49:22
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按钮控件主体(控件类实现过程):
/*============================================================================*/
#define BS_PRESSED (1<<0)
/*============================================================================*/
//按钮风格
#define BS_NULL (0<<0)
#define BS_IMG (1<<1)
/*============================================================================*/
static int PaintButton(HDC hdc,HWND hwnd)
{
WINDOW *pBN;
GUI_COLOR fr_color,bk_color,bd_color;
COORD x,y;
////
if(hdc==0) return 0;
if(hwnd==0) return 0;
pBN =HWND2WND(hwnd);
fr_color =pBN->FrColor;
bk_color =pBN->BkColor;
bd_color =pBN->BdColor;
x=0;
y=0;
if(WindowStyle(hwnd,BS_NULL))
{
FillRaisedRectangle(hdc,x,y,pBN->Rect.dx,pBN->Rect.dy,bk_color);
DrawImage(hdc,x,y,pBN->hImage);
Label(hdc,x,y,pBN->Rect.dx,pBN->Rect.dy,fr_color,RGB_TRANS,RGB_TRANS,CENTER,pBN->Caption);
}
////
if(WindowStyle(hwnd,BS_IMG))
{
IMG_BUTTON_DATA *btn_data;
////
btn_data =(void*)GetWindowPrivateData(hwnd);
DrawImage(hdc,x,y,btn_data->hImg);
}
////
if(WindowStatus(hwnd,WS_FOCUS))
{
//如果是焦点窗口
DotRectangle(hdc,x+3,y+3,pBN->Rect.dx-6,pBN->Rect.dy-6,fr_color);
}
}
/*============================================================================*/
static int PaintPressedButton(HDC hdc,HWND hwnd)
{
WINDOW *pBN;
GUI_COLOR fr_color,bk_color,bd_color;
COORD x,y;
////
if(hdc==0) return 0;
if(hwnd==0) return 0;
pBN =HWND2WND(hwnd);
fr_color =pBN->FrColor;
bk_color =pBN->BkColor;
bd_color =pBN->BdColor;
//x =pBN->Rect.x;
//y =pBN->Rect.y;
x=0;
y=0;
if(WindowStyle(hwnd,BS_NULL))
{
FillSunkRectangle(hdc,x,y,pBN->Rect.dx,pBN->Rect.dy,AlphaBlendColor((RGB(0,0,0)),bk_color,96));
Label(hdc,x+3,y+3,pBN->Rect.dx-3,pBN->Rect.dy-3,fr_color,RGB_TRANS,RGB_TRANS,CENTER,pBN->Caption);
}
////
if(WindowStyle(hwnd,BS_IMG))
{
IMG_BUTTON_DATA *btn_data;
////
btn_data =(void*)GetWindowPrivateData(hwnd);
DrawImage(hdc,x,y,btn_data->hPressedImg);
}
}
/*============================================================================*/
static int ButtonDraw(HDC hdc,HWND hwnd)
{
if(WindowStatus(hwnd,BS_PRESSED))
{
PaintPressedButton(hdc,hwnd);
}
else
{
PaintButton(hdc,hwnd);
}
InvalidateRect(hwnd,0,0);
// DebugPrintf("%s -> OnDraw!\n",pBN->Caption);
}
/*============================================================================*/
static int ButtonRelease(HWND hwnd)
{
WINDOW *pWin;
////
if(hwnd==0) return 0;
pWin=HWND2WND(hwnd);
#if GUI_DBG_EN
DebugPrintf("ButtonRelease => '%s' - %08XH\n",pWin->Caption,pWin);
#endif
//发送MSG_CLOSE所有子窗口.
pWin=HWND2WND(pWin->hChild);
while(pWin)
{
SendMessage(WND2HWND(pWin),MSG_CLOSE,0,0);
pWin=pWin->Next;
}
MemFree((void*)hwnd);
return 1;
}
/*============================================================================*/
static U32 ButtonProc(HWND hwnd,U32 msg,WPARAM wParam,LPARAM lParam)
{
HDC hdc;
////
switch(msg)
{
case MSG_CREATE:
break;
////
case MSG_LBUTTONDOWN:
// DebugPrintf("'%s' -> MSG_LBUTTONDOWN - %d,%d\n",pBN->Caption,wParam>>16,wParam&0xffff);
if(!WindowStatus(hwnd,BS_PRESSED))
{
SetWindowStatus(hwnd,BS_PRESSED);
InvalidateRect(hwnd,0,0);
UpdateWindow(hwnd);
KillFocus(GetFocus(hwnd));
}
if(WindowStyle(hwnd,WS_NCCHILD))
{
SendMessageToParent(hwnd,MSG_SYSCOMMAND,(BN_CLICKED<<16)|GetWindowID(hwnd),hwnd);
}
else
{
SendMessageToParent(hwnd,MSG_COMMAND,(BN_CLICKED<<16)|GetWindowID(hwnd),hwnd);
}
break;
////////
case MSG_KILLFOCUS:
// DebugPrintf("'%s' -> MSG_KILLFOCUS\n",pBN->Caption);
break;
////////
case MSG_SETFOCUS:
// DebugPrintf("'%s' -> MSG_SETFOCUS\n",pBN->Caption);
break;
////////
case MSG_LBUTTONUP:
ClrWindowStatus(hwnd,BS_PRESSED);
// DebugPrintf("'%s' -> MSG_LBUTTONUP - %d,%d\n",pBN->Caption,wParam>>16,wParam&0xffff);
InvalidateRect(hwnd,0,0);
UpdateWindow(hwnd);
if(WindowStyle(hwnd,WS_NCCHILD))
{
SendMessageToParent(hwnd,MSG_SYSCOMMAND,(BN_UP<<16)|GetWindowID(hwnd),hwnd);
}
else
{
SendMessageToParent(hwnd,MSG_COMMAND,(BN_UP<<16)|GetWindowID(hwnd),hwnd);
}
break;
///////
case BM_SETIMAGE:
if(WindowStyle(hwnd,BS_IMG))
{
IMG_BUTTON_DATA *btn;
/////
btn=(void*)GetWindowPrivateData(hwnd);
if(btn)
{
btn->hImg =(HANDLE)wParam;
btn->hPressedImg =(HANDLE)lParam;
}
}
break;
////
case BM_GETIMAGE:
break;
////
case MSG_PAINT:
// DebugPrintf("'%s' -> MSG_PAINT\n",pBN->Caption);
hdc =BeginPaint(hwnd);
if(hdc==0) break;
ButtonDraw(hdc,hwnd);
EndPaint(hwnd,hdc);
break;
////////
case MSG_DESTROY:
ButtonRelease(hwnd);
break;
///////////
default:
return DefaultWindowProc(hwnd,msg,wParam,lParam);
break;
}
return MSG_NULL;
}
/*============================================================================*/
/*============================================================================*/
static WNDCLASS wnd_class;
void RegisButtonClass(void)
{
////
wnd_class.ClassName ="button";
wnd_class.Type =WIN_TYPE_WIDGET;
wnd_class.Style =0;
wnd_class.Proc =ButtonProc;
RegisterWindowClass(&wnd_class);
}
/*============================================================================*/ |
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