BOOL Ctl_CreateBrushes( )
/************************************************************************/
{
WORD Pattern[16];
HBITMAP hBitmap;
int i;
Ctl_hShadowBrush = CreateSolidBrush( Ctl_GetBtnShadowColor() );
Ctl_hButtonBrush = CreateSolidBrush( Ctl_GetBtnFaceColor() );
for ( i=0; i<16; i+=2 )
Pattern[i] = 0xAAAA;
for ( i=1; i<16; i+=2 )
Pattern[i] = 0x5555;
hBitmap = CreateBitmap( 16, 16, 1, 1, (LPTR)Pattern );
Ctl_hHilightBrush = CreatePatternBrush( hBitmap );
DeleteObject( hBitmap );
Ctl_hShadowPen = CreatePen( PS_SOLID, 1, Ctl_GetBtnShadowColor());
Ctl_hButtonPen = CreatePen( PS_SOLID, 1, Ctl_GetBtnFaceColor());
return(TRUE);
}
LOCAL void Slider_DrawBackground (HWND hWindow, HDC hDC, LPSLIDERINFO lpInfo)
/***********************************************************************/
{
RECT rClient;
HBRUSH hBrush;
RECT rSlider = lpInfo->rPosRange;
GetClientRect (hWindow,&rClient);
// Ctl_EraseBackground( hWindow, hDC, &rClient, CTLCOLOR_BTN);
// this makes the slider background color always light gray
hBrush = (HBRUSH)GetStockObject (LTGRAY_BRUSH);
FillRect (hDC, &rClient, hBrush);
if (lpInfo->lStyle & SS_HORZSLIDER)
{
rSlider.top = (rClient.bottom / 2) - (lpInfo->GrooveThickness / 2);
rSlider.bottom = rSlider.top + lpInfo->GrooveThickness;
}
else
{
rSlider.left = (rClient.right / 2) - (lpInfo->GrooveThickness / 2);
rSlider.right = rSlider.left + lpInfo->GrooveThickness;
}
InflateRect (&rSlider,1,1);
Ctl_DrawBevel (hDC, Ctl_GetBtnShadowColor(),
Ctl_GetBtnHilightColor(),
rSlider,1,DB_IN|DB_RECT);
InflateRect (&rSlider,-1,-1);
if (lpInfo->lStyle & SS_RIGHTTOLEFT)
hBrush = CreateSolidBrush (RGB(0, 0, 0));
else
hBrush = CreateSolidBrush (RGB(255, 0, 0));
FillRect (hDC,&rSlider,hBrush);
DeleteObject (hBrush);
if (lpInfo->lStyle & SS_HORZSLIDER)
rSlider.left = lpInfo->ptPosition.x;
else
rSlider.top = lpInfo->ptPosition.y;
if (lpInfo->lStyle & SS_RIGHTTOLEFT)
hBrush = CreateSolidBrush (RGB(255, 0, 0));
else
hBrush = CreateSolidBrush (RGB(0, 0, 0));
FillRect (hDC,&rSlider,hBrush);
DeleteObject (hBrush);
}
LOCAL void Slider_DrawTicks (HWND hWindow, HDC hDC, LPSLIDERINFO lpInfo)
/***********************************************************************/
{
HPEN hPen;
HPEN hOldPen;
int i;
POINT ptTick;
int Offset;
int Length;
hPen = CreatePen (PS_SOLID,1,Ctl_GetBtnShadowColor());
hOldPen = (HPEN)SelectObject (hDC,hPen);
if ((lpInfo->lStyle & SS_HORZSLIDER) ?
(lpInfo->lStyle & SS_TICKSBOTTOM) :
(lpInfo->lStyle & SS_TICKSRIGHT))
Offset = lpInfo->GrooveThickness / 2 + 3;
else
Offset = - lpInfo->GrooveThickness / 2 - 3;
if (lpInfo->lStyle & SS_HORZSLIDER)
{
Length = lpInfo->ThumbHeight / 2;
if (!(lpInfo->lStyle & SS_TICKSBOTTOM))
Length = -Length;
}
else
{
Length = lpInfo->ThumbWidth / 2;
if (!(lpInfo->lStyle & SS_TICKSRIGHT))
Length = -Length;
}
if (lpInfo->BigTickInc)
{
if (lpInfo->lStyle & SS_HORZSLIDER)
{
for (i=lpInfo->Min; i<=lpInfo->Max; i+=lpInfo->BigTickInc)
{
Slider_PointFromValue (hWindow,i,&ptTick,lpInfo);
MoveToEx (hDC,ptTick.x,ptTick.y + Offset, NULL);
LineTo (hDC,ptTick.x,ptTick.y + Offset + Length);
}
}
else
{
for (i=lpInfo->Min; i<=lpInfo->Max; i+=lpInfo->BigTickInc)
{
Slider_PointFromValue (hWindow,i,&ptTick,lpInfo);
MoveToEx (hDC,ptTick.x + Offset,ptTick.y, NULL);
LineTo (hDC,ptTick.x + Offset + Length,ptTick.y);
}
}
}
Length /= 2;
if (lpInfo->SmallTickInc)
{
if (lpInfo->lStyle & SS_HORZSLIDER)
{
for (i=lpInfo->Min; i<=lpInfo->Max; i+=lpInfo->SmallTickInc)
{
Slider_PointFromValue (hWindow,i,&ptTick,lpInfo);
MoveToEx (hDC,ptTick.x,ptTick.y + Offset, NULL);
LineTo (hDC,ptTick.x,ptTick.y + Offset + Length);
}
}
else
{
for (i=lpInfo->Min; i<=lpInfo->Max; i+=lpInfo->SmallTickInc)
{
Slider_PointFromValue (hWindow,i,&ptTick,lpInfo);
MoveToEx (hDC,ptTick.x + Offset,ptTick.y, NULL);
LineTo (hDC,ptTick.x + Offset + Length,ptTick.y);
}
}
}
SelectObject (hDC,hOldPen);
DeleteObject (hPen);
}
