NTSTATUS NTAPI
ConDrvSetConsoleScreenBufferSize(IN PCONSOLE Console,
IN PTEXTMODE_SCREEN_BUFFER Buffer,
IN PCOORD Size)
{
NTSTATUS Status;
if (Console == NULL || Buffer == NULL || Size == NULL)
return STATUS_INVALID_PARAMETER;
/* Validity check */
ASSERT(Console == Buffer->Header.Console);
Status = ConioResizeBuffer(Console, Buffer, *Size);
if (NT_SUCCESS(Status)) TermResizeTerminal(Console);
return Status;
}
VOID
ConSrvApplyUserSettings(IN PCONSOLE Console,
IN PCONSOLE_INFO ConsoleInfo)
{
PCONSOLE_SCREEN_BUFFER ActiveBuffer = Console->ActiveBuffer;
/*
* Apply terminal-edition settings:
* - QuickEdit and Insert modes,
* - history settings.
*/
Console->QuickEdit = ConsoleInfo->QuickEdit;
Console->InsertMode = ConsoleInfo->InsertMode;
/*
* Apply foreground and background colors for both screen and popup
* and copy the new palette.
*/
if (GetType(ActiveBuffer) == TEXTMODE_BUFFER)
{
PTEXTMODE_SCREEN_BUFFER Buffer = (PTEXTMODE_SCREEN_BUFFER)ActiveBuffer;
Buffer->ScreenDefaultAttrib = ConsoleInfo->ScreenAttrib;
Buffer->PopupDefaultAttrib = ConsoleInfo->PopupAttrib;
}
else // if (Console->ActiveBuffer->Header.Type == GRAPHICS_BUFFER)
{
}
// FIXME: Possible buffer overflow if s_colors is bigger than pConInfo->Colors.
memcpy(Console->Colors, ConsoleInfo->Colors, sizeof(s_Colors));
// TODO: Really update the screen attributes as FillConsoleOutputAttribute does.
/* Apply cursor size */
ActiveBuffer->CursorInfo.bVisible = (ConsoleInfo->CursorSize != 0);
ActiveBuffer->CursorInfo.dwSize = min(max(ConsoleInfo->CursorSize, 0), 100);
if (GetType(ActiveBuffer) == TEXTMODE_BUFFER)
{
PTEXTMODE_SCREEN_BUFFER Buffer = (PTEXTMODE_SCREEN_BUFFER)ActiveBuffer;
COORD BufSize;
/* Resize its active screen-buffer */
BufSize = ConsoleInfo->ScreenBufferSize;
if (Console->FixedSize)
{
/*
* The console is in fixed-size mode, so we cannot resize anything
* at the moment. However, keep those settings somewhere so that
* we can try to set them up when we will be allowed to do so.
*/
if (ConsoleInfo->ConsoleSize.X != Buffer->OldViewSize.X ||
ConsoleInfo->ConsoleSize.Y != Buffer->OldViewSize.Y)
{
Buffer->OldViewSize = ConsoleInfo->ConsoleSize;
}
/* Buffer size is not allowed to be smaller than the view size */
if (BufSize.X >= Buffer->OldViewSize.X && BufSize.Y >= Buffer->OldViewSize.Y)
{
if (BufSize.X != Buffer->OldScreenBufferSize.X ||
BufSize.Y != Buffer->OldScreenBufferSize.Y)
{
/*
* The console is in fixed-size mode, so we cannot resize anything
* at the moment. However, keep those settings somewhere so that
* we can try to set them up when we will be allowed to do so.
*/
Buffer->OldScreenBufferSize = BufSize;
}
}
}
else
{
BOOL SizeChanged = FALSE;
/* Resize the console */
if (ConsoleInfo->ConsoleSize.X != Buffer->ViewSize.X ||
ConsoleInfo->ConsoleSize.Y != Buffer->ViewSize.Y)
{
Buffer->ViewSize = ConsoleInfo->ConsoleSize;
SizeChanged = TRUE;
}
/* Resize the screen-buffer */
if (BufSize.X != Buffer->ScreenBufferSize.X ||
BufSize.Y != Buffer->ScreenBufferSize.Y)
{
if (NT_SUCCESS(ConioResizeBuffer(Console, Buffer, BufSize)))
SizeChanged = TRUE;
}
if (SizeChanged) ConioResizeTerminal(Console);
}
}
else // if (GetType(ActiveBuffer) == GRAPHICS_BUFFER)
{
PGRAPHICS_SCREEN_BUFFER Buffer = (PGRAPHICS_SCREEN_BUFFER)ActiveBuffer;
/*
* In any case we do NOT modify the size of the graphics screen-buffer.
* We just allow resizing the view only if the new size is smaller
* than the older one.
*/
if (Console->FixedSize)
{
/*
* The console is in fixed-size mode, so we cannot resize anything
* at the moment. However, keep those settings somewhere so that
* we can try to set them up when we will be allowed to do so.
*/
if (ConsoleInfo->ConsoleSize.X <= Buffer->ViewSize.X ||
ConsoleInfo->ConsoleSize.Y <= Buffer->ViewSize.Y)
{
Buffer->OldViewSize = ConsoleInfo->ConsoleSize;
}
}
else
{
/* Resize the view if its size is bigger than the specified size */
if (ConsoleInfo->ConsoleSize.X <= Buffer->ViewSize.X ||
ConsoleInfo->ConsoleSize.Y <= Buffer->ViewSize.Y)
{
Buffer->ViewSize = ConsoleInfo->ConsoleSize;
// SizeChanged = TRUE;
}
}
}
}
