//
/// Sets the XPage and YPage data members (amount by which to scroll on a page
/// scroll request) to the width and height (in XUnits and
/// YUnits) of the owner window's client area.
//
void
TScroller::SetPageSize()
{
PRECONDITION(Window);
PRECONDITION(Window->GetHandle());
if (Window && Window->GetHandle()) {
TRect clientRect;
Window->GetClientRect(clientRect);
int width = clientRect.Width();
int height = clientRect.Height();
if (width && XUnit > 0) {
XPage = std::max(1, (width+1) / XUnit - 1);
if (XTotalUnits && XTotalUnits > width) {
SetScrollPage(SB_HORZ, (width * XRange) / XTotalUnits, true);
}
else
SetScrollPage(SB_HORZ, XPage, false);
}
if (height && YUnit > 0) {
YPage = std::max(1, (height+1) / YUnit - 1);
if (YTotalUnits && YTotalUnits > height) {
SetScrollPage(SB_VERT, (height * YRange) / YTotalUnits, true);
}
else
SetScrollPage(SB_VERT, YPage, false);
}
}
}
void CDocWindow::EliminateScrollbars(bool bRedraw)
{
// Set the scroll range
SetScrollRange(SB_HORZ, 0, 0/*xSize-1*/, false);
SetScrollRange(SB_VERT, 0, 0/*ySize-1*/, false);
// Set the scroll page size
SetScrollPage(SB_HORZ, 0/*xVisible*/, false);
SetScrollPage(SB_VERT, 0/*yVisible*/, false);
// Set the scroll position
SetScrollPos(SB_HORZ, 0/*xPos*/, bRedraw);
SetScrollPos(SB_VERT, 0/*yPos*/, bRedraw);
}
void CTextWnd::SetText (const char *pszText)
{
//
// Reset the lines
//
m_asLines .RemoveAll ();
//
// Save the text
//
m_strText = pszText;
pszText = m_strText;
//
// Create the line array
//
const char *pachStart = m_strText;
const char *pachEnd = &pachStart [m_strText .GetLength ()];
m_nMaxLength = 0;
while (pachStart < pachEnd)
{
const char *pachLine = pachStart;
while (pachStart < pachEnd)
{
if (*pachStart == '\r' || *pachStart == '\n')
break;
pachStart++;
}
{
TextLine2 tl;
tl .pachStart = pachLine;
tl .nLength = pachStart - pachLine;
m_asLines .Add (tl);
if (tl .nLength > m_nMaxLength)
m_nMaxLength = tl .nLength;
}
if (pachStart < pachEnd)
{
if (pachStart + 1 < pachEnd &&
pachStart [0] == '\r' &&
pachStart [1] == '\n')
pachStart += 2;
else
pachStart++;
}
}
m_sizeTotal .cx = m_nMaxLength;
m_sizeTotal .cx *= g_sizeFixed .cx;
m_sizeTotal .cy = (int) m_asLines .GetCount ();
m_sizeTotal .cy *= g_sizeFixed .cy;
SetScrollOffset (0, 0, TRUE);
SetScrollSize (1, 1, TRUE);//Seems to fix a SB update problem on XP
SetScrollSize (m_sizeTotal);
SetScrollLine (g_sizeFixed);
SetScrollPage (m_sizeClient);
}
void EPropWnd::OnSize(UINT nType, int cx, int cy)
{
cy -= 20;
CWnd::OnSize(nType, cx, cy);
SetScrollPage();
}
void CDocWindow::SetupScrollbars(int xPos, int yPos, int xSize, int ySize, int xVisible, int yVisible, bool bRedraw)
{
// If no (x,y) position was passed in, set the position to be the center of the current page
if (xPos < 0 && yPos < 0)
{
xPos = GetScrollPos(SB_HORZ) + GetScrollPage(SB_HORZ)/2 - xVisible/2;
yPos = GetScrollPos(SB_VERT) + GetScrollPage(SB_VERT)/2 - yVisible/2;
}
// Set the scroll range
SetScrollRange(SB_HORZ, 0, xSize-1, false);
SetScrollRange(SB_VERT, 0, ySize-1, false);
// Set the scroll page size
SetScrollPage(SB_HORZ, xVisible, false);
SetScrollPage(SB_VERT, yVisible, false);
// Reset the scroll position and be sure it is valid
ResetScrollPos(SB_HORZ, xPos, bRedraw);
ResetScrollPos(SB_VERT, yPos, bRedraw);
}
void EGridCtrl::OnMouseMove( UINT nFlags, CPoint point )
{
char* pCursor = IDC_ARROW;
if( nFlags & MK_LBUTTON ) //left button is down
{
if( m_pDragColumn ) //drag column found on mouse down
{
pCursor = IDC_SIZEWE;
if( m_ButtonDownPoint.x == -1 ) //first time?
{
m_ButtonDownPoint = point;
m_nButtonDownWidth = m_pDragColumn->m_nWidth;
}
CPoint Delta = point - m_ButtonDownPoint;
m_pDragColumn->m_nWidth = m_nButtonDownWidth + Delta.x;
if( m_pDragColumn->m_nWidth<3 )
{
m_pDragColumn->m_nWidth=3;
}
RefreshColumnLefts( m_ViewportOrg.x );
SetScrollPage();
Invalidate();
}
}
else
{
m_ButtonDownPoint.x = -1;
bool bOnHeader = (0<=point.y) && (point.y<GetHeaderRowHeight());
if( bOnHeader )
{
bool bOverVerticalEdge = (GetColumn(point.x,true)!=NULL);
if( bOverVerticalEdge )
{
pCursor = IDC_SIZEWE;
}
}
}
SetCursor( LoadCursor(NULL,pCursor) );
//
//
//
// EProperty* pProperty = GetProperty( point );
//
// if( pProperty == NULL )
// {
// TRACE("NULL\n");
// }
// else
// {
// TRACE("%s 0x%08x\n",pProperty->GetName(),pProperty);
// }
}
