void OpPush::DragPointerMove( DocCoord PointerPos, ClickModifiers ClickMods, Spread *, BOOL bSolidDrag)
{
DocView* pDocView = DocView::GetSelected();
ENSURE( pDocView != NULL, "OpPush::DragPointerMove - DocView was NULL" );
if (pDocView==NULL)
return;
// Declare a few WorkCoords we will need
WorkCoord ScrollOffsets;
WorkCoord Change;
WorkCoord MoveClick = pDocView->GetClickWorkCoord();
// How Much has it changed
Change.x = AnchorPoint.x - MoveClick.x;
Change.y = AnchorPoint.y - MoveClick.y;
// Find the Scroll Offsets and change them
ScrollOffsets = pDocView->GetScrollOffsets();
ScrollOffsets.x += Change.x;
ScrollOffsets.y += Change.y;
// Make sure the ScrollOffsets are valid and then set them
if ( ScrollOffsets.x < 0 ) ScrollOffsets.x = 0;
if ( ScrollOffsets.y > 0 ) ScrollOffsets.y = 0;
pDocView->SetScrollOffsets( ScrollOffsets, TRUE );
}
/********************************************************************************************
> BOOL MakeBitmapFilter::FindCentreInsertionPosition(Spread** Spread, DocCoord* Position)
Author: Will_Cowling (Xara Group Ltd) <*****@*****.**> (from Simon)
Created: 12/6/96
Inputs: -
Outputs: Spread: The spread to place the clipboard objects on
Position:The centre of the view (Spread coords)
Purpose: Finds the centre insertion position for clipboard objects
********************************************************************************************/
BOOL MakeBitmapFilter::FindCentreInsertionPosition(Spread** Spread, DocCoord* Position)
{
// ---------------------------------------------------------------------------------
// Find out which spread is in the centre of the view
// this is the spread that the pasted objects will be placed on
// Obtain the current DocView
DocView* CurDocView = DocView::GetCurrent();
ENSURE(CurDocView != NULL, "The current DocView is NULL");
if (CurDocView == NULL)
return FALSE; // No DocView
// Get the view rect
WorkRect WrkViewRect = CurDocView->GetViewRect();
if (WrkViewRect.IsEmpty() || (!WrkViewRect.IsValid()) )
return FALSE; // Defensive
// Determine the centre of the view
WorkCoord WrkCentreOfView;
WrkCentreOfView.x = WrkViewRect.lox + (WrkViewRect.Width()/2);
WrkCentreOfView.y = WrkViewRect.loy + (WrkViewRect.Height()/2);
// FindEnclosing spread requires an OilCoord
OilCoord OilCentreOfView = WrkCentreOfView.ToOil(CurDocView->GetScrollOffsets());
// Find out which spread to insert the pasteboard objects onto
(*Spread) = CurDocView->FindEnclosingSpread(OilCentreOfView);
if ((*Spread) == NULL)
return FALSE; // There is no spread
// Phew
// ---------------------------------------------------------------------------------
// Now lets find the spread coordinate of the centre of the view
DocRect DocViewRect = CurDocView->GetDocViewRect(*Spread);
if ( DocViewRect.IsEmpty() || (!DocViewRect.IsValid()) )
{
ERROR3("DocViewRect is invalid");
return FALSE; // Defensive
}
// Find the centre of the DocViewRect
DocCoord DocCentreOfView;
DocCentreOfView.x = DocViewRect.lox + (DocViewRect.Width()/2);
DocCentreOfView.y = DocViewRect.loy + (DocViewRect.Height()/2);
// --------------------------------------------------------------------------------
// Now convert from DocCoords to spread coords
DocRect PhysSpreadRect = (*Spread)->GetPasteboardRect();
(*Position).x = DocCentreOfView.x - PhysSpreadRect.lo.x;
(*Position).y = DocCentreOfView.y - PhysSpreadRect.lo.y;
return TRUE;
}