358 lines
13 KiB
C++
358 lines
13 KiB
C++
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#include "stdafx.h"
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#include "global.h"
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#include "pbrush.h"
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#include "sprite.h"
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#include "tracker.h"
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#ifdef _DEBUG
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#undef THIS_FILE
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static char BASED_CODE THIS_FILE[] = __FILE__;
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#endif
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#include "memtrace.h"
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// FUTURE: Make these static to CTracker!
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CBitmap NEAR g_bmapDragHandle; // Handle for the drag handle bitmap.
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CBitmap NEAR g_bmapDragHandle2; // Handle for hollow drag handle bitmap.
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// These are the bitmaps arrays used for tracker borders and the dotted
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// drag rectangles.
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//
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static unsigned short bmapHorizBorder[] =
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{ 0x0F, 0x0F, 0x0F, 0x0F, 0xF0, 0xF0, 0xF0, 0xF0 };
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static unsigned short bmapVertBorder [] =
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{ 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA };
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static CBrush NEAR brushHorizBorder;
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static CBrush NEAR brushVertBorder;
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static CBitmap NEAR bitmapHorizBorder;
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static CBitmap NEAR bitmapVertBorder;
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static HCURSOR hcurArrow = NULL; // System "Select Arrow" cursor.
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static HCURSOR hcurMove = NULL; // System "Move" cursor.
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static HCURSOR hcurSizeNESW = NULL; // System sizing "NESW" cursor.
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static HCURSOR hcurSizeNS = NULL; // System sizing "NS" cursor.
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static HCURSOR hcurSizeNWSE = NULL; // System sizing "NWSE" cursor.
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static HCURSOR hcurSizeWE = NULL; // System sizing "WE" cursor.
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static HCURSOR hcurDragTool;
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// This array of hCursors is used to map tracker states (see the definition
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// of CTracker in editor.hxx) to the appropriate mouse cursor bitmaps.
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//
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static HCURSOR* mapTrackerStateToPHCursor[] =
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{
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&hcurArrow, // nil
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&hcurArrow, // predrag
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&hcurMove, // moving
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&hcurSizeNS, // resizingTop
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&hcurSizeWE, // resizingLeft
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&hcurSizeWE, // resizingRight
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&hcurSizeNS, // resizingBottom
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&hcurSizeNWSE, // resizingTopLeft
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&hcurSizeNESW, // resizingTopRight
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&hcurSizeNESW, // resizingBottomLeft
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&hcurSizeNWSE, // resizingBottomRight
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};
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HCURSOR HCursorFromTrackerState( int m )
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{
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ASSERT(m >= 0 &&
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m < sizeof (mapTrackerStateToPHCursor) / sizeof (HCURSOR*));
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return (*(mapTrackerStateToPHCursor[m]));
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}
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/* RVUV2
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*
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* This code needs to be called, just once, before we begin to use
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* trackers. In lieu of a standard initialization function into which
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* I can put this code, I am using a moduleInit variable as a kludge.
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*/
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BOOL moduleInit = FALSE; /** RVUV2 temporary! **/
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BOOL InitTrackers()
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{
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/*
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* Initialize the brushes and bitmaps needed to do repaints
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*/
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if (! bitmapHorizBorder.CreateBitmap( 8, 8, 1, 1, (LPSTR)bmapHorizBorder )
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|| ! bitmapVertBorder.CreateBitmap ( 8, 8, 1, 1, (LPSTR)bmapVertBorder )
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|| ! brushHorizBorder.CreatePatternBrush( &bitmapHorizBorder )
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|| ! brushVertBorder.CreatePatternBrush ( &bitmapVertBorder )
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|| ! g_bmapDragHandle.LoadBitmap ( IDBM_DRAGHANDLE )
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|| ! g_bmapDragHandle2.LoadBitmap( IDBM_DRAGHANDLE2 ))
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{
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// Future: Failure here should cause error in opening dialog resource!
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theApp.SetMemoryEmergency( FALSE );
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return FALSE;
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}
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hcurArrow = theApp.LoadStandardCursor( IDC_ARROW );
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hcurMove = theApp.LoadCursor( IDCUR_MOVE );
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hcurSizeNESW = theApp.LoadCursor( IDCUR_SIZENESW );
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hcurSizeNS = theApp.LoadCursor( IDCUR_SIZENS );
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hcurSizeNWSE = theApp.LoadCursor( IDCUR_SIZENWSE );
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hcurSizeWE = theApp.LoadCursor( IDCUR_SIZEWE );
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hcurDragTool = ::LoadCursor( AfxGetInstanceHandle(),
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MAKEINTRESOURCE( IDC_DRAGTOOL ));
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moduleInit = TRUE;
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return TRUE;
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}
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/***************************************************************************/
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void CTracker::CleanUpTracker()
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{
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brushHorizBorder.DeleteObject();
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brushVertBorder.DeleteObject();
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bitmapHorizBorder.DeleteObject();
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bitmapVertBorder.DeleteObject();
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g_bmapDragHandle.DeleteObject();
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g_bmapDragHandle2.DeleteObject();
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}
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/***************************************************************************/
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// NOTE: The rect passed in here is the inner-most rect of the tracker!
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CTracker::STATE CTracker::HitTest( const CRect& rc,
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CPoint pt,
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STATE defaultState )
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{
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/*
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* Compute position of edge (non-corner) handles
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*/
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int xMid = ((rc.right + rc.left) / 2) - (HANDLE_SIZE / 2);
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int yMid = ((rc.top + rc.bottom) / 2) - (HANDLE_SIZE / 2);
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/*
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* Now we do the actual hit-testing for each resizing handle
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*/
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if ((pt.x < rc.left) && (pt.x > rc.left - HANDLE_SIZE))
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{
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if ((pt.y < rc.top) && (pt.y > rc.top - HANDLE_SIZE))
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return(resizingTopLeft);
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else
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if ((pt.y >= rc.bottom) && (pt.y < rc.bottom + HANDLE_SIZE))
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return(resizingBottomLeft);
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else
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if ( (pt.y >= yMid) && (pt.y < yMid + HANDLE_SIZE) )
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return(resizingLeft);
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}
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else
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if ((pt.x >= rc.right) && (pt.x < rc.right + HANDLE_SIZE))
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{
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if ((pt.y < rc.top) && (pt.y > rc.top - HANDLE_SIZE))
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return(resizingTopRight);
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else
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if ((pt.y >= rc.bottom) && (pt.y < rc.bottom + HANDLE_SIZE))
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return(resizingBottomRight);
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else
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if ((pt.y >= yMid) && (pt.y < yMid + HANDLE_SIZE))
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return(resizingRight);
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}
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else
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if ( (pt.x >= xMid) && (pt.x < xMid + HANDLE_SIZE) )
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{
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if ((pt.y < rc.top) && (pt.y > rc.top - HANDLE_SIZE))
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return(resizingTop);
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else
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if ((pt.y >= rc.bottom) && (pt.y < rc.bottom + HANDLE_SIZE))
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return(resizingBottom);
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}
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return (defaultState);
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}
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/******************************************************************************/
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void CTracker::DrawBorder( CDC* dc, const CRect& trackerRect, EDGES edges )
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{
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if (! moduleInit)
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InitTrackers(); // RVUV2
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// Some precalculation for drawing the fuzzy borders
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int width = trackerRect.Width();
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int height = trackerRect.Height();
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int borderWidth = HANDLE_SIZE;
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int xLength = width - HANDLE_SIZE * 2;
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int xHeight = height - HANDLE_SIZE * 2;
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int xRight = trackerRect.left + width - HANDLE_SIZE;
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int yBottom = trackerRect.top + height - HANDLE_SIZE;
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int iOffset = 1;
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// Draw the fuzzy borders. Note that we have different bitmaps for
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// the vertical and horizontal borders.
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COLORREF windowColor = GetSysColor( COLOR_WINDOW );
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COLORREF highlightColor = GetSysColor( COLOR_HIGHLIGHT );
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dc->SetTextColor( windowColor ); // colors reversed to adjust for
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dc->SetBkColor ( highlightColor ); // patblt's reversed world view.
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CBrush* oldBrush = dc->SelectObject( &brushHorizBorder );
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if (! (edges & top))
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{
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dc->SelectObject( GetSysBrush( COLOR_APPWORKSPACE ) );
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iOffset = 0;
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}
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dc->PatBlt( trackerRect.left + HANDLE_SIZE, trackerRect.top + iOffset, xLength, borderWidth - 2 * iOffset, PATCOPY );
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dc->PatBlt( trackerRect.left + HANDLE_SIZE, yBottom + iOffset, xLength, borderWidth - 2 * iOffset, PATCOPY );
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iOffset = 1;
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// dc->SelectObject( &brushVertBorder );
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if (! (edges & left))
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{
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dc->SelectObject( GetSysBrush( COLOR_APPWORKSPACE ) );
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iOffset = 0;
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}
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dc->PatBlt( xRight + iOffset, trackerRect.top + HANDLE_SIZE, borderWidth - 2 * iOffset, xHeight, PATCOPY );
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dc->PatBlt( trackerRect.left + iOffset, trackerRect.top + HANDLE_SIZE, borderWidth - 2 * iOffset, xHeight, PATCOPY );
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dc->SelectObject( oldBrush ); // clean up
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}
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/******************************************************************************/
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void CTracker::DrawHandles( CDC* dc, const CRect& rect, EDGES edges )
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{
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/*
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* Some precalculation for tracker handles. The bitmaps are colored,
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* but the function that loads them adds the windowColor and
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* selectionColor.
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*/
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int x = rect.left + rect.Width() - HANDLE_SIZE;
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int y = rect.top + rect.Height() - HANDLE_SIZE;
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int xMid = rect.left + (((rect.Width() + 1) / 2) - (HANDLE_SIZE / 2));
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int yMid = rect.top + (((rect.Height() + 1) / 2) - (HANDLE_SIZE / 2));
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BOOL bTopLeft = (edges & top ) && (edges & left );
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BOOL bTopRight = (edges & top ) && (edges & right);
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BOOL bBottomLeft = (edges & bottom) && (edges & left );
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BOOL bBottomRight = (edges & bottom) && (edges & right);
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/*
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* Choose a solid resizing handle if this is the currently selected
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* control, otherwise choose a hollow tracker handle.
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*/
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CDC tempDC;
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if (!tempDC.CreateCompatibleDC(dc))
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{
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theApp.SetGdiEmergency();
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return;
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}
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/*
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* Draw the eight resizing handles.
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*/
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dc->SetTextColor( GetSysColor( COLOR_HIGHLIGHT ) );
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dc->SetBkColor ( GetSysColor( COLOR_WINDOW ) );
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for (int i = 0; i < 2; i += 1)
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{
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CBitmap* pOldBitmap = tempDC.SelectObject( i? &g_bmapDragHandle2
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: &g_bmapDragHandle );
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if (bTopLeft)
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dc->BitBlt(rect.left, rect.top, HANDLE_SIZE, HANDLE_SIZE,
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&tempDC, 0, 0, SRCCOPY);
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if (edges & top)
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dc->BitBlt(xMid, rect.top, HANDLE_SIZE, HANDLE_SIZE,
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&tempDC, 0, 0, SRCCOPY);
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if (bTopRight)
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dc->BitBlt(x, rect.top, HANDLE_SIZE, HANDLE_SIZE,
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&tempDC, 0, 0, SRCCOPY);
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if (edges & right)
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dc->BitBlt(x, yMid, HANDLE_SIZE, HANDLE_SIZE,
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&tempDC, 0, 0, SRCCOPY);
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if (bBottomRight)
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dc->BitBlt(x, y, HANDLE_SIZE, HANDLE_SIZE,
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&tempDC, 0, 0, SRCCOPY);
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if (edges & bottom)
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dc->BitBlt(xMid, y, HANDLE_SIZE, HANDLE_SIZE,
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&tempDC, 0, 0, SRCCOPY);
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if (bBottomLeft)
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dc->BitBlt(rect.left, y, HANDLE_SIZE, HANDLE_SIZE,
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&tempDC, 0, 0, SRCCOPY);
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if (edges & left)
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dc->BitBlt(rect.left, yMid, HANDLE_SIZE, HANDLE_SIZE,
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&tempDC, 0, 0, SRCCOPY);
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edges = (EDGES)~(int)edges;
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bTopLeft = !bTopLeft;
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bTopRight = !bTopRight;
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bBottomLeft = !bBottomLeft;
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bBottomRight = !bBottomRight;
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tempDC.SelectObject(pOldBitmap);
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}
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}
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/******************************************************************************/
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void CTracker::DrawBorderRgn( CDC* pdc, const CRect& trackerRect, CRgn *pcRgnPoly)
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{
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int ixOffset, iyOffset;
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if (! moduleInit)
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{
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InitTrackers(); // RVUV2
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}
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COLORREF windowColor = GetSysColor( COLOR_WINDOW );
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COLORREF highlightColor = GetSysColor( COLOR_HIGHLIGHT );
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pdc->SetTextColor( windowColor ); // colors reversed to adjust for
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pdc->SetBkColor ( highlightColor ); // patblt's reversed world view.
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ixOffset = trackerRect.left + CTracker::HANDLE_SIZE + 1;
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iyOffset = trackerRect.top + CTracker::HANDLE_SIZE + 1;
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// offset bitmap in the imgwnd from selection boundary
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if (pcRgnPoly != NULL
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&& pcRgnPoly->GetSafeHandle() != NULL)
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{
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pcRgnPoly->OffsetRgn( ixOffset, iyOffset );
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pdc->FrameRgn( pcRgnPoly, &brushVertBorder, 1, 1 );
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pcRgnPoly->OffsetRgn( -ixOffset, -iyOffset );
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}
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}
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/******************************************************************************/
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void CTracker::DrawHandlesRgn( CDC* dc, const CRect& rect, EDGES edges, CRgn *pcRgnPoly)
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{
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/*
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* Some precalculation for tracker handles. The bitmaps are colored,
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* but the function that loads them adds the windowColor and
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* selectionColor.
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*/
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}
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/******************************************************************************/
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CTracker::STATE CTracker::HitTestRgn( const CRect& rc, CPoint pt,
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STATE defaultState, CRgn *pcRgnPoly)
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{
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// if (pcRgnPoly->PtInRegion(pt) != FALSE)
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return (defaultState);
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}
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/******************************************************************************/
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