winnc.c

lgui_0.3.0.rar

	}
	else{//DOWN BUTTON NOT PRESSED
		//left & top bound
		SelectObject(hDC,hPenBright);
		winMoveToEx(hDC,rcDownButton.right-1,rcDownButton.top,&point);
		winLineTo(hDC,rcDownButton.left,rcDownButton.top);
		winLineTo(hDC,rcDownButton.left,rcDownButton.bottom-1);
		//Center
		for(y=rcDownButton.top+2;y<=rcDownButton.bottom-2;y++){
			winMoveToEx(hDC,rcDownButton.left+2,y,&point);
			winLineTo(hDC,rcDownButton.right-2,y);
		}
		//left & top bright bound
		SelectObject(hDC,hPenGray);
		winMoveToEx(hDC,rcDownButton.right-2,rcDownButton.top+1,&point);
		winLineTo(hDC,rcDownButton.left+1,rcDownButton.top+1);
		winLineTo(hDC,rcDownButton.left+1,rcDownButton.bottom-2);
		//right & bottom dark bound
		SelectObject(hDC,hPenDark);
		winMoveToEx(hDC,rcDownButton.left+1,rcDownButton.bottom-1,&point);
		winLineTo(hDC,rcDownButton.right-1,rcDownButton.bottom-1);
		winLineTo(hDC,rcDownButton.right-1,rcDownButton.top+1);
		//bottom & right black bound
		SelectObject(hDC,hPenBlack);
		winMoveToEx(hDC,rcDownButton.left,rcDownButton.bottom,&point);
		winLineTo(hDC,rcDownButton.right,rcDownButton.bottom);
		winLineTo(hDC,rcDownButton.right,rcDownButton.top);
		//the triangle
		winMoveToEx(hDC,rcDownButton.left+4,rcDownButton.top+6,&point);
		winLineTo(hDC,rcDownButton.left+8,rcDownButton.top+6);
		winMoveToEx(hDC,rcDownButton.left+5,rcDownButton.top+7,&point);
		winLineTo(hDC,rcDownButton.left+7,rcDownButton.top+7);
		winSetPixel(hDC,rcDownButton.left+6,rcDownButton.top+8,RGB_SYSTEMBLACK);
		//
	}

	//2.up arrow
	if((dwStyle & SS_UPLEFT_PRESSDOWN)!=0){//UP BUTTON PRESSED
		winFillRectangle(hDC,rcUpButton.left,rcUpButton.top,rcUpButton.right,rcUpButton.bottom,
			RGB_SYSTEMBRIGHT,RGB_SYSTEMDARK);
		//Draw the triangle
		SelectObject(hDC,hPenBlack);
		winMoveToEx(hDC,rcUpButton.left+5,rcUpButton.top+9,&point);
		winLineTo(hDC,rcUpButton.left+9,rcUpButton.top+9);
		winMoveToEx(hDC,rcUpButton.left+6,rcUpButton.top+8,&point);
		winLineTo(hDC,rcUpButton.left+8,rcUpButton.top+8);
		winSetPixel(hDC,rcUpButton.left+7,rcUpButton.top+7,RGB_SYSTEMBLACK);


	}
	else{//UP BUTTON NOT PRESSED
		//left & top bound
		SelectObject(hDC,hPenBright);
		winMoveToEx(hDC,rcUpButton.right-1,rcUpButton.top,&point);
		winLineTo(hDC,rcUpButton.left,rcUpButton.top);
		winLineTo(hDC,rcUpButton.left,rcUpButton.bottom-1);
		//Center
		for(y=rcUpButton.top+2;y<=rcUpButton.bottom-2;y++){
			winMoveToEx(hDC,rcUpButton.left+2,y,&point);
			winLineTo(hDC,rcUpButton.right-2,y);
		}
		//left & top bright bound
		SelectObject(hDC,hPenGray);
		winMoveToEx(hDC,rcUpButton.right-2,rcUpButton.top+1,&point);
		winLineTo(hDC,rcUpButton.left+1,rcUpButton.top+1);
		winLineTo(hDC,rcUpButton.left+1,rcUpButton.bottom-2);
		//right & bottom dark bound
		SelectObject(hDC,hPenDark);
		winMoveToEx(hDC,rcUpButton.left+1,rcUpButton.bottom-1,&point);
		winLineTo(hDC,rcUpButton.right-1,rcUpButton.bottom-1);
		winLineTo(hDC,rcUpButton.right-1,rcUpButton.top+1);
		//bottom & right bound
		SelectObject(hDC,hPenBlack);
		winMoveToEx(hDC,rcUpButton.left,rcUpButton.bottom,&point);
		winLineTo(hDC,rcUpButton.right,rcUpButton.bottom);
		winLineTo(hDC,rcUpButton.right,rcUpButton.top);
		//the triangle
		winMoveToEx(hDC,rcUpButton.left+4,rcUpButton.top+8,&point);
		winLineTo(hDC,rcUpButton.left+8,rcUpButton.top+8);
		winMoveToEx(hDC,rcUpButton.left+5,rcUpButton.top+7,&point);
		winLineTo(hDC,rcUpButton.left+7,rcUpButton.top+7);
		winSetPixel(hDC,rcUpButton.left+6,rcUpButton.top+6,RGB_SYSTEMBLACK);
	}
	//3.bar
	
	if(ScrollBarIsEnable(((PWindowsTree)(hDC->hWnd))->pVScroll)){
		//SliderBar
		iPos = pCurState->iSliderBarVal;

		iSliderBarHeight = pCurState->iSliderBarLen;

		SetRect(&rcSliderBar,lpRect->left,lpRect->top+iPos,lpRect->right,lpRect->top+iPos+iSliderBarHeight);


		//left top
		SelectObject(hDC,hPenBright);
		winMoveToEx(hDC,rcSliderBar.right-1,rcSliderBar.top,&point);
		winLineTo(hDC,rcSliderBar.left,rcSliderBar.top);
		winLineTo(hDC,rcSliderBar.left,rcSliderBar.bottom-1);
		//center
		winFillRectangle(hDC,rcSliderBar.left+2,rcSliderBar.top+2,
			rcSliderBar.right-2,rcSliderBar.bottom-2,
			RGB_SYSTEMBRIGHT,RGB_SYSTEMBRIGHT);

		//right bottom
		SelectObject(hDC,hPenBlack);
		winMoveToEx(hDC,rcSliderBar.left,rcSliderBar.bottom,&point);
		winLineTo(hDC,rcSliderBar.right,rcSliderBar.bottom);
		winLineTo(hDC,rcSliderBar.right,rcSliderBar.top);

		//left top gray bound
		SelectObject(hDC,hPenGray);
		winMoveToEx(hDC,rcSliderBar.right-2,rcSliderBar.top+1,&point);
		winLineTo(hDC,rcSliderBar.left+1,rcSliderBar.top+1);
		winLineTo(hDC,rcSliderBar.left+1,rcSliderBar.bottom-2);

		//right bottom dark bound
		SelectObject(hDC,hPenDark);
		winMoveToEx(hDC,rcSliderBar.right-1,rcSliderBar.top+1,&point);
		winLineTo(hDC,rcSliderBar.right-1,rcSliderBar.bottom-1);
		winLineTo(hDC,rcSliderBar.left+1,rcSliderBar.bottom-1);
	}
	//restore pen
	memcpy(hDC->hPen,&penBackup,sizeof(PEN));
	
	//destroy the hdc object
	DeleteObject(hPenBlack);
	DeleteObject(hPenGray);
	DeleteObject(hPenBright);
	DeleteObject(hPenDark);
}


void 
wndDrawHScrollBar(
	LPRECT lpRect,
	HDC hDC,
	DWORD dwStyle,
	LPSCROLLCURSTATE pCurState
)
{
	int iArrowWidth,iWinWidth,iWinHeight;
	int iPos,iSliderBarWidth,iTotalBarWidth;
	RECT rcRightButton,rcLeftButton,rcTotalBar,rcSliderBar;

	HPEN hPenBlack,hPenGray,hPenBright,hPenDark;

	POINT point;
	int y;
	PEN penBackup;
	
	iWinWidth	=lpRect->right - lpRect->left + 1;
	iWinHeight	=lpRect->bottom - lpRect->top + 1;
	iArrowWidth=GetSystemMetrics(SM_CXHSCROLL);
	iTotalBarWidth = iWinWidth- 2 * iArrowWidth;

	//RightButton
	SetRect(&rcRightButton,lpRect->right-iArrowWidth,lpRect->top,lpRect->right,lpRect->bottom);
	//LeftButton
	SetRect(&rcLeftButton,lpRect->right-2*iArrowWidth,lpRect->top,lpRect->right-iArrowWidth,lpRect->bottom);
	//TotalBar
	SetRect(&rcTotalBar,lpRect->left,lpRect->top,lpRect->right-iArrowWidth,lpRect->bottom);

	hPenBlack	=CreatePen(PS_SOLID,1,RGB_SYSTEMBLACK);
	hPenGray	=CreatePen(PS_SOLID,1,RGB_SYSTEMLTGRAY);
	hPenBright	=CreatePen(PS_SOLID,1,RGB_SYSTEMBRIGHT);
	hPenDark	=CreatePen(PS_SOLID,1,RGB_SYSTEMDARK);
	
	memcpy(&penBackup,hDC->hPen,sizeof(PEN));
	
	SelectObject(hDC,hPenBlack);

	winMoveToEx(hDC,rcTotalBar.left,rcTotalBar.top,&point);
	winLineTo(hDC,rcTotalBar.right,rcTotalBar.top);

	winFillRectangle(hDC,
		rcTotalBar.left,rcTotalBar.top + 1,rcTotalBar.right,rcTotalBar.bottom,
		RGB_SYSTEMHIBRIGHT,RGB_SYSTEMHIBRIGHT);


	//1.right arrow
	if((dwStyle & SS_DOWNRIGHT_PRESSDOWN)!=0){//DOWN BUTTON PRESSED
		winFillRectangle(hDC,rcRightButton.left,rcRightButton.top,rcRightButton.right,rcRightButton.bottom,
			RGB_SYSTEMBRIGHT,RGB_SYSTEMDARK);
		//Draw the triangle
		SelectObject(hDC,hPenBlack);
		winMoveToEx(hDC,rcRightButton.left+7,rcRightButton.top+5,&point);
		winLineTo(hDC,rcRightButton.left+7,rcRightButton.top+9);
		winMoveToEx(hDC,rcRightButton.left+8,rcRightButton.top+6,&point);
		winLineTo(hDC,rcRightButton.left+8,rcRightButton.top+8);
		winSetPixel(hDC,rcRightButton.left+9,rcRightButton.top+7,RGB_SYSTEMBLACK);

	}
	else{//DOWN BUTTON NOT PRESSED
		 //left & top bound
		//printf("down right not pressed\n");
		SelectObject(hDC,hPenBright);
		winMoveToEx(hDC,rcRightButton.left,rcRightButton.bottom-1,&point);
		winLineTo(hDC,rcRightButton.left,rcRightButton.top);
		winLineTo(hDC,rcRightButton.right-1,rcRightButton.top);
		//Center
		for(y=rcRightButton.top+2;y<=rcRightButton.bottom-2;y++){
			winMoveToEx(hDC,rcRightButton.left+2,y,&point);
			winLineTo(hDC,rcRightButton.right-2,y);
		}
		//left & top bright bound
		SelectObject(hDC,hPenGray);
		winMoveToEx(hDC,rcRightButton.left+1,rcRightButton.bottom-2,&point);
		winLineTo(hDC,rcRightButton.left+1,rcRightButton.top+1);
		winLineTo(hDC,rcRightButton.right-2,rcRightButton.top+1);
		//right & bottom dark bound
		SelectObject(hDC,hPenDark);
		winMoveToEx(hDC,rcRightButton.left+1,rcRightButton.bottom-1,&point);
		winLineTo(hDC,rcRightButton.right-1,rcRightButton.bottom-1);
		winLineTo(hDC,rcRightButton.right-1,rcRightButton.top+1);
		//bottom & right black bound
		SelectObject(hDC,hPenBlack);
		winMoveToEx(hDC,rcRightButton.left,rcRightButton.bottom,&point);
		winLineTo(hDC,rcRightButton.right,rcRightButton.bottom);
		winLineTo(hDC,rcRightButton.right,rcRightButton.top);

		//Draw the triangle
		SelectObject(hDC,hPenBlack);
		winMoveToEx(hDC,rcRightButton.left+6,rcRightButton.top+4,&point);
		winLineTo(hDC,rcRightButton.left+6,rcRightButton.top+8);
		winMoveToEx(hDC,rcRightButton.left+7,rcRightButton.top+5,&point);
		winLineTo(hDC,rcRightButton.left+7,rcRightButton.top+7);
		winSetPixel(hDC,rcRightButton.left+8,rcRightButton.top+6,RGB_SYSTEMBLACK);
	}

	//2.left arrow
	if((dwStyle & SS_UPLEFT_PRESSDOWN)!=0){//UP BUTTON PRESSED
		winFillRectangle(hDC,rcLeftButton.left,rcLeftButton.top,rcLeftButton.right,rcLeftButton.bottom,
			RGB_SYSTEMBRIGHT,RGB_SYSTEMDARK);
		//Draw the triangle
		SelectObject(hDC,hPenBlack);
		winMoveToEx(hDC,rcLeftButton.left+8,rcLeftButton.top+5,&point);
		winLineTo(hDC,rcLeftButton.left+8,rcLeftButton.top+9);
		winMoveToEx(hDC,rcLeftButton.left+7,rcLeftButton.top+6,&point);
		winLineTo(hDC,rcLeftButton.left+7,rcLeftButton.top+8);
		winSetPixel(hDC,rcLeftButton.left+6,rcLeftButton.top+7,RGB_SYSTEMBLACK);
	}
	else{//Left BUTTON NOT PRESSED
		//left & top bound
		SelectObject(hDC,hPenBright);
		winMoveToEx(hDC,rcLeftButton.left,rcLeftButton.bottom-1,&point);
		winLineTo(hDC,rcLeftButton.left,rcLeftButton.top);
		winLineTo(hDC,rcLeftButton.right-1,rcLeftButton.top);
		//Center
		for(y=rcLeftButton.top+2;y<=rcLeftButton.bottom-2;y++){
			winMoveToEx(hDC,rcLeftButton.left+2,y,&point);
			winLineTo(hDC,rcLeftButton.right-2,y);
		}
		//left & top bright bound

		SelectObject(hDC,hPenGray);
		winMoveToEx(hDC,rcLeftButton.left+1,rcLeftButton.bottom-1,&point);
		winLineTo(hDC,rcLeftButton.left+1,rcLeftButton.top+1);
		winLineTo(hDC,rcLeftButton.right-1,rcLeftButton.top+1);
		//right & bottom dark bound
		SelectObject(hDC,hPenDark);
		winMoveToEx(hDC,rcLeftButton.left+1,rcLeftButton.bottom-1,&point);
		winLineTo(hDC,rcLeftButton.right-1,rcLeftButton.bottom-1);
		winLineTo(hDC,rcLeftButton.right-1,rcLeftButton.top+1);
		//bottom & right bound
		SelectObject(hDC,hPenBlack);
		winMoveToEx(hDC,rcLeftButton.left,rcLeftButton.bottom,&point);
		winLineTo(hDC,rcLeftButton.right,rcLeftButton.bottom);
		winLineTo(hDC,rcLeftButton.right,rcLeftButton.top);
		//the triangle
		winMoveToEx(hDC,rcLeftButton.left+7,rcLeftButton.top+4,&point);
		winLineTo(hDC,rcLeftButton.left+7,rcLeftButton.top+8);
		winMoveToEx(hDC,rcLeftButton.left+6,rcLeftButton.top+5,&point);
		winLineTo(hDC,rcLeftButton.left+6,rcLeftButton.top+7);
		winSetPixel(hDC,rcLeftButton.left+5,rcLeftButton.top+6,RGB_SYSTEMBLACK);

	}
	if(ScrollBarIsEnable(((PWindowsTree)(hDC->hWnd))->pHScroll)){
		//SliderBar
		iPos = pCurState->iSliderBarVal;

		iSliderBarWidth = pCurState->iSliderBarLen;

		SetRect(&rcSliderBar,lpRect->left+iPos,lpRect->top,lpRect->left+iPos+iSliderBarWidth,lpRect->bottom);

		//3.bar
		//left top
		SelectObject(hDC,hPenBright);
		winMoveToEx(hDC,rcSliderBar.left,rcSliderBar.bottom-1,&point);
		winLineTo(hDC,rcSliderBar.left,rcSliderBar.top);
		winLineTo(hDC,rcSliderBar.right-1,rcSliderBar.top);
		//center
		winFillRectangle(hDC,rcSliderBar.left+2,rcSliderBar.top+2,
			rcSliderBar.right-2,rcSliderBar.bottom-2,
			RGB_SYSTEMBRIGHT,RGB_SYSTEMBRIGHT);

		//right bottom
		SelectObject(hDC,hPenBlack);
		winMoveToEx(hDC,rcSliderBar.left,rcSliderBar.bottom,&point);
		winLineTo(hDC,rcSliderBar.right,rcSliderBar.bottom);
		winLineTo(hDC,rcSliderBar.right,rcSliderBar.top);

		//left top gray bound
		SelectObject(hDC,hPenGray);
		winMoveToEx(hDC,rcSliderBar.left+1,rcSliderBar.bottom-2,&point);
		winLineTo(hDC,rcSliderBar.left+1,rcSliderBar.top+1);
		winLineTo(hDC,rcSliderBar.right-1,rcSliderBar.top+1);

		//right bottom dark bound
		SelectObject(hDC,hPenDark);
		winMoveToEx(hDC,rcSliderBar.left+1,rcSliderBar.bottom-1,&point);
		winLineTo(hDC,rcSliderBar.right-1,rcSliderBar.bottom-1);
		winLineTo(hDC,rcSliderBar.right-1,rcSliderBar.top+1);
	}
	
	//restore pen
	memcpy(hDC->hPen,&penBackup,sizeof(PEN));
	//destroy the hdc object
	DeleteObject(hPenBlack);
	DeleteObject(hPenGray);
	DeleteObject(hPenBright);
	DeleteObject(hPenDark);
}


//=======================================ScrollBar===========================================

BOOL 
wndGetVScrollBarRect(
	HWND hWnd,
	LPRECT lpRect
)
{
	PWindowsTree pWin;
	RECT rcWin;
	int iWidth,iHeight;
	int iBorder;
	int iCaption;
	pWin=(PWindowsTree)hWnd;


	if(!pWin)
		return false;
	if(!(pWin->dwStyle & WS_VSCROLL)){
		SetRect(lpRect,0,0,0,0);
		return false;
	}
	iBorder=wndGetBorder(hWnd);
	GetWindowRect(hWnd,&rcWin);
	if(IsCaption(hWnd))
		iCaption = WIN_CAPTION_HEIGHT;
	else
		iCaption = 0;

	iWidth=GetSystemMetrics(SM_CXVSCROLL);
	iHeight=GetSystemMetrics(SM_CYHSCROLL);
	if(pWin->dwStyle & WS_HSCROLL){
		SetRect(lpRect,rcWin.right+1-iWidth-iBorder,rcWin.top+iBorder+iCaption+1,
			rcWin.right-iBorder,rcWin.bottom-iBorder-iHeight);
	}
	else{
		SetRect(lpRect,rcWin.right+1-iWidth-iBorder,rcWin.top+iBorder+iCaption+1,
			rcWin.right-iBorder,rcWin.bottom-iBorder);
	}			 	
	
	return true;
}


BOOL 
wndGetHScrollBarRect(
	HWND hWnd,
	LPRECT lpRect
)
{
	PWindowsTree pWin;
	RECT rcWin;
	int iWidth,iHeight;
	int iBorder;
	int iCaption;
	pWin=(PWindowsTree)hWnd;

	if(!pWin)
		return false;
	if(!(pWin->dwStyle & WS_HSCROLL)){
		SetRect(lpRect,0,0,0,0);
		return false;
	}
	GetWindowRect(hWnd,&rcWin);
	iBorder=wndGetBorder(hWnd);

	if(IsCaption(hWnd))
		iCaption = WIN_CAPTION_HEIGHT;
	else
		iCaption = 0;
		
	iWidth=GetSystemMetrics(SM_CXVSCROLL);
	iHeight=GetSystemMetrics(SM_CYHSCROLL);
	if(pWin->dwStyle & WS_VSCROLL){
		SetRect(lpRect,rcWin.left+iBorder,rcWin.bottom+1-iHeight,
			rcWin.right-iBorder-iWidth,rcWin.bottom-iBorder);
	}
	else{
		SetRect(lpRect,rcWin.left+iBorder,rcWin.bottom+1-iHeight,
			rcWin.right-iBorder,rcWin.bottom-iBorder);
	}
	return true;
}


static void 
CalVScrollCurState(
	LPRECT lpRect,
	LPSCROLLINFO pScrollInfo,
	LPSCROLLCURSTATE pCurState
)
{
	RECT rcTotalBar;
	int iWinHeight, iArrowHeight,iTotalBarHeight,iSliderBarHeight, iPos;

	iWinHeight	=lpRect->bottom - lpRect->top + 1;
	iArrowHeight=GetSystemMetrics(SM_CYVSCROLL);
	//TotalBar
	SetRect(&rcTotalBar,lpRect->left,lpRect->top,lpRect->right,lpRect->bottom-2*iArrowHeight);
	//height of total bar
	iTotalBarHeight = iWinHeight- 2 * iArrowHeight;

	if(pScrollInfo->nMax - pScrollInfo->nMin + 1 <= pScrollInfo->nPage)
		iSliderBarHeight = iTotalBarHeight - 1;
	else{
		iSliderBarHeight = iTotalBarHeight * pScrollInfo->nPage / (pScrollInfo->nMax - pScrollInfo->nMin + 1);
		if(iSliderBarHeight<MIN_SLIDERBAR_LENGTH)
			iSliderBarHeight=MIN_SLIDERBAR_LENGTH;
	}
	pCurState->iSliderBarLen = iSliderBarHeight;


	iPos = (pScrollInfo->nPos - pScrollInfo->nMin) * iTotalBarHeight/(pScrollInfo->nMax - pScrollInfo->nMin + 1);
	if(iPos < 0)
		iPos = 0;
	if((rcTotalBar.bottom - iPos)< iSliderBarHeight)
		iPos=rcTotalBar.bottom - iSliderBarHeight;

	pCurState->iSliderBarVal = iPos;
}

static void 
CalHScrollCurState(
	LPRECT lpRect,
	LPSCROLLINFO pScrollInfo,
	LPSCROLLCURSTATE pCurState
)
{
	RECT rcTotalBar;
	int iWinWidth,iArrowWidth,iTotalBarWidth,iSliderBarWidth, iPos;

	iWinWidth = lpRect->right - lpRect->left + 1;
	iArrowWidth = GetSystemMetrics(SM_CXHSCROLL);
	SetRect(&rcTotalBar,lpRect->left,lpRect->top,lpRect->right-2*iArrowWidth,lpRect->bottom);


	iTotalBarWidth = iWinWidth - 2* iArrowWidth;

	if(pScrollInfo->nMax - pScrollInfo->nMin + 1 <= pScrollInfo->nPage)
		iSliderBarWidth = iTotalBarWidth - 1;
	else{
		iSliderBarWidth = iTotalBarWidth * pScrollInfo->nPage / (pScrollInfo->nMax - pScrollInfo->nMin + 1);