LOCAL void ZoomBox_OnLButtonDown(HWND hWnd, BOOL fDoubleClick, int x, int y, UINT keyFlags)
/***********************************************************************/
{
RECT rWin;
HWND hOwner;
if ( fCapture )
return;
SetCapture( hWnd ); fCapture = TRUE;
hOldFocus= GetFocus();
SetFocus(hWnd);
fMarquee = EnableMarquee(FALSE);
if (!IsOnImage(hWnd, x, y))
return;
StartPoint.x = x;
StartPoint.y = y;
fSelection = NO;
if ( hOwner = GetZoomOwner(hWnd) )
{
GetClientRect(hOwner, &rWin);
lAspectY = rWin.bottom - rWin.top ;
lAspectX = rWin.right - rWin.left ;
}
else
{
lAspectY = 1L;
lAspectX = 1L;
}
}
LOCAL void ZoomBox_OnKeyUp(HWND hWnd, UINT vk, BOOL fDown, int cRepeat, UINT flags)
/***********************************************************************/
{
if ( vk != VK_ESCAPE )
return;
if ( !fCapture )
return;
ReleaseCapture(); fCapture = FALSE;
if (fSelection)
EndSelection( hWnd, NULL, &SelectRect, SL_BOX | SL_NOLIMIT, YES );
SetFocus(hOldFocus);
EnableMarquee(fMarquee);
}
LOCAL void ZoomBox_OnLButtonUp(HWND hWnd, int x, int y, UINT keyFlags)
/***********************************************************************/
{
BOOL fGotaRect;
LPDISPLAY lpMyDisplay;
RECT ClientRect;
HWND hOwner;
if ( !fCapture )
return;
ReleaseCapture(); fCapture = FALSE;
if (fSelection)
{
EndSelection( hWnd, NULL, &SelectRect, SL_BOX|SL_NOLIMIT, YES );
if (abs(SelectRect.right-SelectRect.left) <= SMALL_MOVEMENT &&
abs(SelectRect.bottom-SelectRect.top) <= SMALL_MOVEMENT)
fGotaRect = NO;
else
fGotaRect = YES;
}
else
{
fGotaRect = NO;
SelectRect.left = SelectRect.right = StartPoint.x;
SelectRect.top = SelectRect.bottom = StartPoint.y;
Display2File( hWnd, (LPINT)&SelectRect.left, (LPINT)&SelectRect.top );
Display2File( hWnd, (LPINT)&SelectRect.right, (LPINT)&SelectRect.bottom );
}
// clip to file rect
lpMyDisplay = GetDisplayPtr(hWnd);
ClientRect = lpMyDisplay->FileRect;
AstralIntersectRect( &SelectRect, &SelectRect, &ClientRect );
SetFocus(hOldFocus);
EnableMarquee(fMarquee);
hOwner = GetZoomOwner(hWnd);
if (!hOwner)
return;
if (IsIconic(hOwner))
return;
SaveLastView(hOwner);
if ( fGotaRect )
ViewRect(hOwner, &SelectRect, NO);
else
{
Zoom( hOwner, SelectRect.left, SelectRect.top,
( SHIFT ? -100 : ( CONTROL ? +100 : 0 ) ), YES,NO);
}
}
static void ScrollEnd( HWND hWnd )
/************************************************************************/
{
if ( !bScrolling )
return;
if ( lpProc )
{ // Call the display hook and turn it back on
lpProc->DisplayHookProc( hWnd, Window.hDC, NULL );
SetDisplayHook( hWnd, lpProc );
lpProc = NULL;
}
EnableMarquee( YES );
SetupRulers(hWnd);
ZoomMainViewChanged( hWnd );
bScrolling = NO;
}
static void ScrollStart( HWND hWnd )
/************************************************************************/
{
if ( bScrolling )
return;
// Rely on the fact that we always get an SB_ENDSCROLL when done
if ( hWnd == GetActiveDoc() )
DisplayBrush(0, 0, 0, OFF);
if ( lpProc = GetDisplayHook(hWnd) )
{ // Call the display hook and turn it off
lpProc->DisplayHookProc( hWnd, Window.hDC, NULL );
SetDisplayHook( hWnd, NULL );
}
EnableMarquee( NO );
RemoveMarquee();
AstralUpdateWindow( hWnd );
bScrolling = YES;
}
