//@doc SECEditView
//@mfunc Internal handler.
//@rdesc void
//@parm BOOL bActivate
//@parm CView* pActivateView
//@parm CView* pDeactiveView
void SECEditView::OnActivateView(BOOL bActivate, CView* pActivateView, CView* pDeactiveView)
{
static BOOL bFirstTime = TRUE;
if (bFirstTime)
{
MakeCursorVisible();
bFirstTime = FALSE;
}
CView::OnActivateView(bActivate, pActivateView, pDeactiveView);
}
VOID
ExtendSelection(
IN PCONSOLE_INFORMATION Console,
IN COORD CursorPosition
)
/*++
This routine extends a selection region.
--*/
{
SMALL_RECT OldSelectionRect;
HRGN OldRegion,NewRegion,CombineRegion;
COORD FontSize;
if (CursorPosition.X < 0) {
CursorPosition.X = 0;
} else if (CursorPosition.X >= Console->CurrentScreenBuffer->ScreenBufferSize.X) {
CursorPosition.X = Console->CurrentScreenBuffer->ScreenBufferSize.X-1;
}
if (CursorPosition.Y < 0) {
CursorPosition.Y = 0;
} else if (CursorPosition.Y >= Console->CurrentScreenBuffer->ScreenBufferSize.Y) {
CursorPosition.Y = Console->CurrentScreenBuffer->ScreenBufferSize.Y-1;
}
if (!(Console->SelectionFlags & CONSOLE_SELECTION_NOT_EMPTY)) {
if (Console->CurrentScreenBuffer->Flags & CONSOLE_TEXTMODE_BUFFER) {
// scroll if necessary to make cursor visible.
MakeCursorVisible(Console->CurrentScreenBuffer,CursorPosition);
ASSERT(!(Console->SelectionFlags & CONSOLE_MOUSE_SELECTION));
//
// if the selection rect hasn't actually been started,
// the selection cursor is still blinking. turn it off.
//
ConsoleHideCursor(Console->CurrentScreenBuffer);
}
Console->SelectionFlags |= CONSOLE_SELECTION_NOT_EMPTY;
Console->SelectionRect.Left =Console->SelectionRect.Right = Console->SelectionAnchor.X;
Console->SelectionRect.Top = Console->SelectionRect.Bottom = Console->SelectionAnchor.Y;
// invert the cursor corner
if (Console->CurrentScreenBuffer->Flags & CONSOLE_TEXTMODE_BUFFER) {
MyInvert(Console,&Console->SelectionRect);
}
} else {
if (Console->CurrentScreenBuffer->Flags & CONSOLE_TEXTMODE_BUFFER) {
// scroll if necessary to make cursor visible.
MakeCursorVisible(Console->CurrentScreenBuffer,CursorPosition);
}
}
//
// update selection rect
//
OldSelectionRect = Console->SelectionRect;
if (CursorPosition.X <= Console->SelectionAnchor.X) {
Console->SelectionRect.Left = CursorPosition.X;
Console->SelectionRect.Right = Console->SelectionAnchor.X;
} else if (CursorPosition.X > Console->SelectionAnchor.X) {
Console->SelectionRect.Right = CursorPosition.X;
Console->SelectionRect.Left = Console->SelectionAnchor.X;
}
if (CursorPosition.Y <= Console->SelectionAnchor.Y) {
Console->SelectionRect.Top = CursorPosition.Y;
Console->SelectionRect.Bottom = Console->SelectionAnchor.Y;
} else if (CursorPosition.Y > Console->SelectionAnchor.Y) {
Console->SelectionRect.Bottom = CursorPosition.Y;
Console->SelectionRect.Top = Console->SelectionAnchor.Y;
}
//
// change inverted selection
//
if (Console->CurrentScreenBuffer->Flags & CONSOLE_TEXTMODE_BUFFER) {
FontSize = Console->CurrentScreenBuffer->BufferInfo.TextInfo.FontSize;
} else {
FontSize.X = 1;
FontSize.Y = 1;
}
CombineRegion = CreateRectRgn(0,0,0,0);
OldRegion = CreateRectRgn((OldSelectionRect.Left-Console->CurrentScreenBuffer->Window.Left)*FontSize.X,
(OldSelectionRect.Top-Console->CurrentScreenBuffer->Window.Top)*FontSize.Y,
(OldSelectionRect.Right-Console->CurrentScreenBuffer->Window.Left+1)*FontSize.X,
(OldSelectionRect.Bottom-Console->CurrentScreenBuffer->Window.Top+1)*FontSize.Y
);
NewRegion = CreateRectRgn((Console->SelectionRect.Left-Console->CurrentScreenBuffer->Window.Left)*FontSize.X,
(Console->SelectionRect.Top-Console->CurrentScreenBuffer->Window.Top)*FontSize.Y,
(Console->SelectionRect.Right-Console->CurrentScreenBuffer->Window.Left+1)*FontSize.X,
(Console->SelectionRect.Bottom-Console->CurrentScreenBuffer->Window.Top+1)*FontSize.Y
);
CombineRgn(CombineRegion,OldRegion,NewRegion,RGN_XOR);
InvertRgn(Console->hDC,CombineRegion);
DeleteObject(OldRegion);
DeleteObject(NewRegion);
DeleteObject(CombineRegion);
}
