BOOL NativePrefsDlg::InitDialog ()
{
ERROR2IF ( mpParams == NULL, FALSE,
"NativePrefsDlg::InitDialog called after duff initialisation?!" );
//First, do we have a selection?
Application *pApp = GetApplication();
ERROR2IF(pApp == NULL, FALSE,"NativePrefsDlg::InitDialog - no application!");
SelRange *pRange = pApp->FindSelection();
ERROR2IF(pRange == NULL, FALSE,"NativePrefsDlg::InitDialog - no selection range!");
DocRect ClipRect = pRange->GetBoundingRect();
BOOL fThereIsASelection=!ClipRect.IsEmpty();
//Now, is there a selection?
if (fThereIsASelection)
{
// Yes. So ungrey both the buttons for selecting the nodes to export.
EnableGadget(_R(IDC_NATIVEOPTS_SELECT), TRUE);
EnableGadget(_R(IDC_NATIVEOPTS_DRAWING), TRUE);
//Now, which of those buttons should be selected?
switch ( mpParams->GetExportSel () )
{
case SELECTION:
// Choose the export pair of buttons.
SetLongGadgetValue(_R(IDC_NATIVEOPTS_SELECT), FALSE);
SetLongGadgetValue(_R(IDC_NATIVEOPTS_DRAWING), TRUE);
break;
default:
case DRAWING:
// Choose the export pair of buttons.
SetLongGadgetValue(_R(IDC_NATIVEOPTS_SELECT), TRUE);
SetLongGadgetValue(_R(IDC_NATIVEOPTS_DRAWING), FALSE);
break;
}
}
else
{
//No. So grey the SELECTION button and ungrey
//the DRAWING button
EnableGadget(_R(IDC_NATIVEOPTS_SELECT), FALSE);
EnableGadget(_R(IDC_NATIVEOPTS_DRAWING), TRUE);
// And we must select the DRAWING button for the export area controls.
SetLongGadgetValue(_R(IDC_NATIVEOPTS_SELECT), TRUE);
SetLongGadgetValue(_R(IDC_NATIVEOPTS_DRAWING), FALSE);
}
return TRUE;
}
BOOL OpNudge::IsNudgeOK(BOOL dx,BOOL dy)
{
// Get the selection
SelRange* pSel = GetApplication()->FindSelection();
ERROR2IF(pSel == NULL,FALSE,"Awooga, NULL sel range");
// Find out the bounding rectangle of the selection
DocRect BoundingRect = pSel->GetBoundingRect();
// Find out the Pasteboard rect
DocRect PasteRect;
Spread* pSpread = pOurDoc->GetSelectedSpread();
if (pSpread==NULL)
PasteRect = BoundingRect;
else
{
// Try to make the pasteboard grow if necessary to include the new object position
// This is very quick if the pasteboard is large enough already.
pSpread->ExpandPasteboardToInclude(BoundingRect);
// And re-read the bounding rectangle of the selection, as the pasteboard resize may have
// caused the origin of our entire coordinate space to have moved! Argh!
BoundingRect = pSel->GetBoundingRect();
// BoundingRect.Translate(dx,dy);
// This is in Document Coords, so we need to convert it
PasteRect = pSpread->GetPasteboardRect();
pSpread->DocCoordToSpreadCoord(&PasteRect);
}
// Assume the nudge will be OK.
BOOL NudgeOK = TRUE;
if (PasteRect.ContainsRect(BoundingRect))
{
// Untranslated bounds fit inside pasteboard rect, so we must complain if the bounds
// do not fit *after* translation
// Translate the bounds by the nudge values
BoundingRect.Translate(dx,dy);
// Do the translated bounds still fit entirely in the pasteboard rect?
NudgeOK = PasteRect.ContainsRect(BoundingRect);
}
else
{
// The original bounds overlap the pasteboard rect, so we must complain if the user
// nudges the bounds completely out of sight
if (PasteRect.IsIntersectedWith(BoundingRect))
{
// The original bounds intersect with the pasteboard rect
BoundingRect.Translate(dx,dy);
// Only allow the nudge if the translated bounds still overlap with the spread.
NudgeOK = PasteRect.IsIntersectedWith(BoundingRect);
}
}
// If the nudge is OK, we may need to scroll the DocView?
/* Jim, 12/9/96 - removed this because we don't want to scroll to show opn nudges
if (NudgeOK)
{
DocCoord Coord(0,0);
// If nudging left or right, pick the min or max X coord
if (dx != 0)
{
if (dx < 0)
Coord.x = BoundingRect.lox;
else
Coord.x = BoundingRect.hix;
}
// If nudging up or down, pick the max or min Y coord
if (dy != 0)
{
if (dy < 0)
Coord.y = BoundingRect.loy;
else
Coord.y = BoundingRect.hiy;
}
// If we have picked a coord, ensure that this coord is visible in the selected spread
// of the selected DocView
if (Coord != DocCoord(0,0))
{
DocView* pDocView = DocView::GetSelected();
if (pDocView != NULL)
pDocView->ScrollToShow(&Coord);
}
}
*/
return NudgeOK;
}