winnc.c

lgui_0.3.0.rar

	if(!(pWin->pVCurState->iClickPos))
		return;

	wndGetVScrollBarRect(hWnd,&rc);

	iBarWidth	=rc.right - rc.left + 1;
	iBarHeight	=rc.bottom - rc.top + 1;
	iArrowHeight=GetSystemMetrics(SM_CYVSCROLL);

	pScrollInfo=pWin->pVScroll;
	pCurState = pWin->pVCurState;

	iTotalBarHeight = iBarHeight- 2 * iArrowHeight;
	iSliderBarHeight = pCurState->iSliderBarLen;
	iPos = pCurState->iSliderBarVal;

	//DownButton
	SetRect(&rcDownButton,rc.left,rc.bottom-iArrowHeight,rc.right,rc.bottom);
	//UpButton
	SetRect(&rcUpButton,rc.left,rc.bottom-2*iArrowHeight,rc.right,rc.bottom-iArrowHeight);
	//TotalBar
	SetRect(&rcTotalBar,rc.left,rc.top,rc.right,rc.bottom-2*iArrowHeight);
	//SliderBar
	SetRect(&rcSliderBar,rc.left,rc.top+iPos,rc.right,rc.top+iPos+iSliderBarHeight);

	if((y - rcSliderBar.top) > pCurState->iClickPos){//move down
		if(rcSliderBar.bottom == rcTotalBar.bottom - 1){//already reach bottom
			pScrollInfo->nPos = pScrollInfo->nMax - pScrollInfo->nPage + 1;
			pCurState->iSliderBarVal = iTotalBarHeight - iSliderBarHeight - 1;
			scrInvalidateRect(hWnd,&rcTotalBar,true);
		}
		else{
			if((y + iSliderBarHeight - pCurState->iClickPos)>=rcTotalBar.bottom){
				pScrollInfo->nPos=pScrollInfo->nMax - pScrollInfo->nPage + 1 ;
				pCurState->iSliderBarVal = iTotalBarHeight - iSliderBarHeight - 1;
				scrInvalidateRect(hWnd,&rcTotalBar,true);
			}
			else{
				iPos = y - rcTotalBar.top - pCurState->iClickPos;
				pCurState->iSliderBarVal = iPos;
				pScrollInfo->nPos = iPos * (pScrollInfo->nMax - pScrollInfo->nMin + 1)/iTotalBarHeight;
				scrInvalidateRect(hWnd,&rcTotalBar,true);
			}
		}
		iRetMsg=SB_THUMBTRACK;
		if(IsControl(hWnd)){
			SendMessage(hWnd,LMSG_VSCROLL,(WPARAM)iRetMsg,(LPARAM)NULL);
		}
		else{
			SendNotifyMessage(hWnd,LMSG_VSCROLL,(WPARAM)iRetMsg,(LPARAM)NULL);
		}
	}
	else{//move up
		if(rcSliderBar.top == rcTotalBar.top)

			return;
		else{
			if(y - rcTotalBar.top<= pCurState->iClickPos){
				pScrollInfo->nPos=pScrollInfo->nMin;
				pCurState->iSliderBarVal = 0;
				scrInvalidateRect(hWnd,&rcTotalBar,true);
			}
			else{
				iPos = y - rcTotalBar.top - pCurState->iClickPos;
				pCurState->iSliderBarVal = iPos;
				pScrollInfo->nPos = iPos * (pScrollInfo->nMax - pScrollInfo->nMin + 1)/iTotalBarHeight + pScrollInfo->nMin;
				scrInvalidateRect(hWnd,&rcTotalBar,true);
			}
			iRetMsg=SB_THUMBTRACK;
			if(IsControl(hWnd)){
				SendMessage(hWnd,LMSG_VSCROLL,(WPARAM)iRetMsg,(LPARAM)NULL);
			}
			else{
				SendNotifyMessage(hWnd,LMSG_VSCROLL,(WPARAM)iRetMsg,(LPARAM)NULL);
			}
		}
	}
}



//hscroll penmove procedure
void 
HScrollBarPenMoveProc(
	HWND hWnd,
	int x, 
	int y
)
{
	int iArrowWidth,iBarWidth,iBarHeight,iSliderBarWidth,iPos,iTotalBarWidth;
	RECT rc,rcRightButton,rcLeftButton,rcTotalBar,rcSliderBar;
	LPSCROLLCURSTATE pCurState;
	LPSCROLLINFO pScrollInfo;
	unsigned long iRetMsg;
	PWindowsTree pWin;

	pWin=(PWindowsTree)hWnd;

	if(!ScrollBarIsEnable(pWin->pHScroll))
		return;

	if(!(pWin->pHCurState->iClickPos))
		return;
	wndGetHScrollBarRect(hWnd,&rc);

	iBarWidth	=rc.right - rc.left + 1;
	iBarHeight	=rc.bottom - rc.top + 1;
	iArrowWidth=GetSystemMetrics(SM_CXHSCROLL);

	pScrollInfo=pWin->pHScroll;
	pCurState = pWin->pHCurState;

	iTotalBarWidth = iBarWidth- 2 * iArrowWidth;
	iSliderBarWidth = pCurState->iSliderBarLen;
	iPos = pCurState->iSliderBarVal;

	//RightButton
	SetRect(&rcRightButton,rc.right-iArrowWidth,rc.top,rc.right,rc.bottom);
	//LeftButton
	SetRect(&rcLeftButton,rc.right-2*iArrowWidth,rc.top,rc.right-iArrowWidth,rc.bottom);
	//TotalBar
	SetRect(&rcTotalBar,rc.left,rc.top,rc.right-2*iArrowWidth,rc.bottom);
	//SliderBar
	SetRect(&rcSliderBar,rc.left+iPos,rc.top,rc.left+iPos+iSliderBarWidth,rc.bottom);


	if((x - rcSliderBar.left) > pCurState->iClickPos){
		if(rcSliderBar.right == rcTotalBar.right - 1){
			pScrollInfo->nPos=pScrollInfo->nMax - pScrollInfo->nPage;
			pCurState->iSliderBarVal = iTotalBarWidth - iSliderBarWidth - 1;
			scrInvalidateRect(hWnd,&rcTotalBar,true);
		}
		else{
			if((x + iSliderBarWidth - pCurState->iClickPos)>=rcTotalBar.right){
				pScrollInfo->nPos=pScrollInfo->nMax - pScrollInfo->nPage;
				pCurState->iSliderBarVal = iTotalBarWidth - iSliderBarWidth - 1;
				scrInvalidateRect(hWnd,&rcTotalBar,true);
			}
			else{
				iPos = x -rcTotalBar.left - pCurState->iClickPos;
				pCurState->iSliderBarVal = iPos;
				pScrollInfo->nPos = iPos * (pScrollInfo->nMax - pScrollInfo->nMin + 1)/iTotalBarWidth;

				scrInvalidateRect(hWnd,&rcTotalBar,true);
			}
		}
		iRetMsg=SB_THUMBTRACK;
		if(IsControl(hWnd)){
			SendMessage(hWnd,LMSG_VSCROLL,(WPARAM)iRetMsg,(LPARAM)NULL);
		}
		else{
			SendNotifyMessage(hWnd,LMSG_HSCROLL,(WPARAM)iRetMsg,(LPARAM)NULL);
		}
	}
	else{//move left
		if(rcSliderBar.left == rcTotalBar.left)
			return;
		else{
			if(x - rcTotalBar.left<= pCurState->iClickPos){
				pScrollInfo->nPos=pScrollInfo->nMin;
				pCurState->iSliderBarVal = 0;
				scrInvalidateRect(hWnd,&rcTotalBar,true);
			}
			else{
				iPos = x -rcTotalBar.left - pCurState->iClickPos;
				pCurState->iSliderBarVal = iPos;
				pScrollInfo->nPos = iPos * (pScrollInfo->nMax - pScrollInfo->nMin + 1)/iTotalBarWidth + pScrollInfo->nMin;
				scrInvalidateRect(hWnd,&rcTotalBar,true);
			}
			iRetMsg=SB_THUMBTRACK;
			if(IsControl(hWnd)){
				SendMessage(hWnd,LMSG_VSCROLL,(WPARAM)iRetMsg,(LPARAM)NULL);
			}
			else{
				SendNotifyMessage(hWnd,LMSG_HSCROLL,(WPARAM)iRetMsg,(LPARAM)NULL);
			}
		}
	}
}


BOOL 
wndDrawNCFrame(
	HWND hWnd,
	HDC hDC
)
{
	PWindowsTree pWin;
	BOOL bHScroll,bVScroll;
	RECT rcVBar,rcHBar,rcCorner;
	LPSCROLLCURSTATE pCurState;
	pWin=(PWindowsTree)hWnd;
	if(!pWin)
		return false;
	if(pWin->dwStyle & WS_VSCROLL)
		bVScroll = true;
	else
		bVScroll = false;
	if(pWin->dwStyle & WS_HSCROLL)
		bHScroll = true;
	else
		bHScroll = false;
	//draw bound
	wndDrawNCArea(hWnd, hDC);
	 //draw vert scroll
	 if(bVScroll){
		pCurState = pWin->pVCurState;
		wndGetVScrollBarRect(hWnd,&rcVBar);
		ScreenToWindowRect(hWnd,&rcVBar);
		wndDrawVScrollBar(&rcVBar,hDC,pWin->pVScroll->dwStatus,pCurState);
	}
	if(bHScroll){
		pCurState = pWin->pHCurState;
		wndGetHScrollBarRect(hWnd,&rcHBar);
		ScreenToWindowRect(hWnd,&rcHBar);
		wndDrawHScrollBar(&rcHBar,hDC,pWin->pHScroll->dwStatus,pCurState);
	}
	if(bVScroll && bHScroll){
		SetRect(&rcCorner,rcHBar.right,rcVBar.bottom,rcVBar.right,rcHBar.bottom);
		//draw right bottom corner box
		winFillRectangle(hDC,
			rcCorner.left+1,rcCorner.top,rcCorner.right,rcCorner.bottom,
			RGB_SYSTEMHIBRIGHT,RGB_SYSTEMHIBRIGHT);
	}

	return true;
}

//draw bound
BOOL 
wndDrawNCArea(
	HWND hWnd, 
	HDC hDC
)
{
	PWindowsTree pWin;
	RECT rcWin;
	POINT point;
	HPEN hPenGray;
	HPEN hPenBright;
	HPEN hPenDark;
	HPEN hPenBlack;
	
	PEN penBackup;
	pWin=(PWindowsTree)hWnd;
	if(!(pWin->dwStyle & WS_BORDER) && !(pWin->dwStyle & WS_THINBORDER) && !(pWin->dwStyle & WS_THICKBORDER))
		return false;

	
	if(!GetWindowRect(hWnd,&rcWin))
		return false;
	ScreenToWindowRect(hWnd,&rcWin);

	//backup current pen
	memcpy(&penBackup,hDC->hPen,sizeof(PEN));
	
	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);

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

	if(pWin->dwStyle & WS_BORDER)
		goto okret;

	SelectObject(hDC,hPenBright);
	winMoveToEx(hDC,rcWin.left+1,rcWin.bottom-1,&point);
	winLineTo(hDC,rcWin.left+1,rcWin.top+1);
	winLineTo(hDC,rcWin.right-1,rcWin.top+1);
	SelectObject(hDC,hPenDark);
	winMoveToEx(hDC,rcWin.left+1,rcWin.bottom-1,&point);
	winLineTo(hDC,rcWin.right-1,rcWin.bottom-1);
	winLineTo(hDC,rcWin.right-1,rcWin.top+1);

	if(pWin->dwStyle & WS_THINBORDER)
		goto okret;

	SelectObject(hDC,hPenDark);
	winMoveToEx(hDC,rcWin.left+2,rcWin.bottom-4,&point);
	winLineTo(hDC,rcWin.left+2,rcWin.top+2);
	winLineTo(hDC,rcWin.right-4,rcWin.top+2);
	SelectObject(hDC,hPenBright);
	winMoveToEx(hDC,rcWin.right-2,rcWin.top+1,&point);
	winLineTo(hDC,rcWin.right-2,rcWin.bottom-2);
	SelectObject(hDC,hPenBlack);
	winMoveToEx(hDC,rcWin.left+3,rcWin.bottom-4,&point);
	winLineTo(hDC,rcWin.left+3,rcWin.top+3);
	winLineTo(hDC,rcWin.right-4,rcWin.top+3);
	SelectObject(hDC,hPenGray);
	winMoveToEx(hDC,rcWin.right-3,rcWin.top+2,&point);
	winLineTo(hDC,rcWin.right-3,rcWin.bottom-3);
	winLineTo(hDC,rcWin.left+2,rcWin.bottom-3);


okret:
	//restore pen
	memcpy(hDC->hPen,&penBackup,sizeof(PEN));

	if(IsCaption(hWnd)){
		PaintCaption(hWnd,hDC);
	}
	//destroy the hdc object
	DeleteObject(hPenBlack);
	DeleteObject(hPenGray);
	DeleteObject(hPenBright);
	DeleteObject(hPenDark);
	return true;

}

BOOL 
PaintCaption(
	HWND hWnd,
	HDC hDC
)
{
	COLORREF crTextColor;
	char pString[256];
	char *pEnvStr;
	int iLeft;
	BOOL bCloseBox;
	PWindowsTree pWin;
	int iBorder;
	RECT rcWin,rcCaption;
	HGDIOBJ  hFont;
	pWin = (PWindowsTree)hWnd;
	iBorder = wndGetBorder(hWnd);
	if(!GetWindowRect(hWnd,&rcWin))
		return;
	ScreenToWindowRect(hWnd,&rcWin);
	SetRect(&rcCaption,rcWin.left + iBorder, rcWin.top + iBorder,
		rcWin.right - iBorder, rcWin.top + iBorder + WIN_CAPTION_HEIGHT-1);
	//backup text color
	crTextColor = hDC->crTextColor;
	if(IsActive(hWnd)){
		SetTextColor(hDC,RGB_WHITE);

		winFillRectangle(hDC,rcCaption.left,rcCaption.top,
			rcCaption.right, rcCaption.bottom, WIN_CAPTION_ACTIVE_COLOR, WIN_CAPTION_ACTIVE_COLOR);
	}
	else{
		SetTextColor(hDC,RGB_BLACK);

		winFillRectangle(hDC,rcCaption.left,rcCaption.top,
			rcCaption.right, rcCaption.bottom, WIN_CAPTION_DISACTIVE_COLOR, WIN_CAPTION_DISACTIVE_COLOR);
	}

	hFont = GetStockObject(FONT_12_12);
	SelectObject(hDC,hFont);
	DeleteObject(hFont);
	//draw caption text
	winDrawText(hDC,pWin->lpszCaption,strlen(pWin->lpszCaption),&rcCaption,DT_LEFT|DT_VCENTER);
	//restore text color
	SetTextColor(hDC,crTextColor);
	//CLOSE BOX
	if(IsCloseBox(hWnd))
		bCloseBox = true;
	else
		bCloseBox = false;
	if(bCloseBox){
		pEnvStr=getenv("LGUI_HOME");
		if(!pEnvStr){
			printerror("Env variable LGUI_HOME is Null!");
			return false;
		}
		strcpy(pString,pEnvStr);
		strcat(pString,"/pics/sys/");
		if(IsCloseBoxPressed(hWnd))
			strcat(pString,WIN_CLOSEBOX_FILESPEC_1);
		else
			strcat(pString,WIN_CLOSEBOX_FILESPEC_0);

		winShowBitmapWithTrColor(hDC,rcCaption.right - WIN_CLOSEBOX_WIDTH,iBorder,
			pString,RGB_BLACK);
	}
	//OK BOX
	if(IsOkButton(hWnd)){
		pEnvStr=getenv("LGUI_HOME");
		if(!pEnvStr){
			printerror("Env variable LGUI_HOME is Null!");
			return false;
		}
		strcpy(pString,pEnvStr);
		strcat(pString,"/pics/sys/");
		if(IsOkButtonPressed(hWnd))
			strcat(pString, WIN_OKBUTTON_FILESPEC_1);
		else
			strcat(pString, WIN_OKBUTTON_FILESPEC_0);
			
		iLeft = rcCaption.right - WIN_OKBUTTON_WIDTH;
		if(bCloseBox)
			iLeft -= WIN_CLOSEBOX_WIDTH;
		winShowBitmapWithTrColor(hDC,iLeft,iBorder,pString,RGB_BLACK);
	}

	return true;
}




void 
wndDrawVScrollBar(
	LPRECT lpRect,
	HDC hDC,
	DWORD dwStyle,
	LPSCROLLCURSTATE pCurState
)
{
	int iArrowHeight,iWinWidth,iWinHeight;
	int iPos,iSliderBarHeight,iTotalBarHeight;
	RECT rcDownButton,rcUpButton,rcTotalBar,rcSliderBar;

	HPEN hPenBlack,hPenGray,hPenBright,hPenDark;

	PEN penBackup;
	
	POINT point;
	int y;

	iWinWidth	=lpRect->right - lpRect->left + 1;
	iWinHeight	=lpRect->bottom - lpRect->top + 1;
	iArrowHeight=GetSystemMetrics(SM_CYVSCROLL);
	iTotalBarHeight = iWinHeight- 2 * iArrowHeight;

	//DownButton
	SetRect(&rcDownButton,lpRect->left,lpRect->bottom-iArrowHeight,lpRect->right,lpRect->bottom);
	//UpButton
	SetRect(&rcUpButton,lpRect->left,lpRect->bottom-2*iArrowHeight,lpRect->right,lpRect->bottom-iArrowHeight);
	//TotalBar
	SetRect(&rcTotalBar,lpRect->left,lpRect->top,lpRect->right,lpRect->bottom-iArrowHeight);

	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));

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

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

	
	//1.down arrow
	if((dwStyle & SS_DOWNRIGHT_PRESSDOWN)!=0){//DOWN BUTTON PRESSED
		winFillRectangle(hDC,rcDownButton.left,rcDownButton.top,rcDownButton.right,rcDownButton.bottom,
			RGB_SYSTEMBRIGHT,RGB_SYSTEMDARK);
		//Draw the triangle
		SelectObject(hDC,hPenBlack);
		winMoveToEx(hDC,rcDownButton.left+4,rcDownButton.top+7,&point);
		winLineTo(hDC,rcDownButton.left+8,rcDownButton.top+7);
		winMoveToEx(hDC,rcDownButton.left+5,rcDownButton.top+8,&point);
		winLineTo(hDC,rcDownButton.left+7,rcDownButton.top+8);
		winSetPixel(hDC,rcDownButton.left+6,rcDownButton.top+9,RGB_SYSTEMBLACK);