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/* MoveMatrix.m
*
* Copyright (C) 1993-2015 by Cenon GmbH
* Author: Georg Fleischmann
*
* Created: 1993-05-17
* Modified: 2015-11-30 (-mouseDown, dont shuffle cells if -matrixShouldShuffleCells returns NO)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the Cenon Public License as
* published by Cenon GmbH. Among other things, the
* License requires that the copyright notices and this notice
* be preserved on all copies.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the Cenon Public License for more details.
*
* You should have received a copy of the Cenon Public License along
* with this program; see the file LICENSE. If not, write to Cenon.
*
* Cenon GmbH, Schwabstr. 45, 72108 Rottenburg a.N., Germany
* eMail: info@Cenon.com
* http://www.Cenon.de
*/
#include <AppKit/AppKit.h>
#include <VHFShared/vhfCompatibility.h>
#include "FlippedView.h"
#include "MoveCell.h"
#include "MoveMatrix.h"
@implementation MoveMatrix
- (id)initCellClass:aCellClass
{ NSRect scrollRect, matrixRect;
NSSize interCellSpacing = {0.0, 0.0}, newCellSize;
scrollRect = [[[self superview] superview] frame]; // get the scrollView's dimensions
matrixRect.size = [NSScrollView contentSizeForFrameSize:(scrollRect.size)
hasHorizontalScroller:NO hasVerticalScroller:YES
borderType:NSBezelBorder];
//[self setMode:NSListModeMatrix]; // prepare a matrix to the right state
// Wenn dieser Status gesetzt ist, kommt das trackMouse nicht mehr in der LayerCell an
// Andererseits funktioniert dann das Move nicht mehr ganz so gut
[self setCellClass:aCellClass];
[self renewRows:0 columns:1];
[self setIntercellSpacing:interCellSpacing]; // we don't want any space between the matrix's cells
newCellSize = [self cellSize]; // resize the matrix's cells and size the
newCellSize.width = NSWidth(matrixRect); // matrix to contain them
[self setCellSize:newCellSize];
[self sizeToCells];
[self setAutosizesCells:YES];
[self setAutoscroll:YES];
return self;
}
- (void)calcCellSize
{
if ( [self numberOfRows] > 0 )
{ id cell = [self cellAtRow:0 column:0];
NSSize size = [cell cellSize];
NSRect frame = [[self superview] frame];
if ( frame.size.width )
{ size.width = frame.size.width;
[self setCellSize:size];
}
}
}
/* Traegt automatisch in die neue Cell sich selbst als MoveMatrix ein
*/
- (NSCell *)makeCellAtRow:(int)row column:(int)col;
{ MoveCell *newCell = (MoveCell*)[super makeCellAtRow:row column:col];
if ( [newCell respondsToSelector:@selector(setMatrix:)] )
[newCell setMatrix:self];
else
NSLog(@"MoveMatrix (makeCellAt::): Cell does not respond to setMatrix");
return newCell;
}
/*
* Timers used to automatically scroll when the mouse is
* outside the drawing view and not moving.
*/
#define startTimer(inTimerLoop) if (!inTimerLoop) { [NSEvent startPeriodicEventsAfterDelay:0.1 withPeriod:0.01]; inTimerLoop=YES; }
#define stopTimer(inTimerLoop) if (inTimerLoop) { [NSEvent stopPeriodicEvents]; inTimerLoop=NO; }
#define MOVE_MASK NSLeftMouseUpMask|NSLeftMouseDraggedMask
extern NSEvent *periodicEventWithLocationSetToPoint(NSEvent *oldEvent, NSPoint point);
- (void)mouseDown:(NSEvent *)theEvent
{ NSPoint mouseDownLocation, mouseUpLocation, mouseLocation;
NSInteger row, column, newRow;
NSRect visibleRect, cellCacheBounds, cellFrame;
float dy;
NSEvent *event;
BOOL scrolled = NO, inTimerLoop = NO;
if ( ! ([theEvent modifierFlags] & NSControlKeyMask) )
{ if ( [theEvent clickCount] == 1 ) // we only handle single click here to avoid issues
[super mouseDown:theEvent];
//else // double click is making trouble (see commetn in IPLayerCell.m -trackMouse)
// NSLog(@"Double click");
return;
}
/* shuffle Cell */
/* prepare the cell and matrix cache windows */
[self setupCache];
/* find the cell that got clicked on and select it */
mouseDownLocation = [self convertPoint:[theEvent locationInWindow] fromView:nil];
[self getRow:&row column:&column forPoint:mouseDownLocation];
activeCell = [[self cellAtRow:row column:column] retain];
[self selectCell:activeCell];
cellFrame = [self cellFrameAtRow:row column:column];
/* do whatever's required for a single-click */
[self sendAction];
/* draw a "well" in place of the selected cell (see -drawRect:) */
[self display];
/* copy what's currently visible into the matrix cache */
#if defined(GNUSTEP_BASE_VERSION)
[matrixCache lockFocus];
visibleRect = [self convertRect:[self visibleRect] toView:nil];
PScomposite(NSMinX(visibleRect), NSMinY(visibleRect), NSWidth(visibleRect), NSHeight(visibleRect), [[self window] gState], 0.0, 0.0, NSCompositeCopy);
[matrixCache unlockFocus];
#elif defined(__APPLE__)
[matrixCache release]; matrixCache = nil;
//matrixCache = [[NSImage alloc] initWithData:[self dataWithPDFInsideRect:[self visibleRect]]];
visibleRect = [self convertRect:[self visibleRect] toView:nil];
[[self window] cacheImageInRect:visibleRect];
#else
[matrixCache lockFocus];
visibleRect = [self convertRect:[self visibleRect] toView:nil];
PScomposite(NSMinX(visibleRect), NSMinY(visibleRect), NSWidth(visibleRect), NSHeight(visibleRect), [[self window] gState], 0.0, NSHeight(visibleRect), NSCompositeCopy);
[matrixCache unlockFocus];
#endif
/* debug: draw cache into document view */
/*{ NSRect bRect = [self bounds];
[[[NSApp currentDocument] documentView] lockFocus];
[matrixCache compositeToPoint:NSZeroPoint
fromRect:NSMakeRect(0.0, 0.0, bRect.size.width, bRect.size.height)
operation:NSCompositeCopy];
[[[NSApp currentDocument] documentView] unlockFocus];
[[[NSApp currentDocument] window] flushWindow];
}*/
PSWait();
/* image the cell into its cache */
[cellCache lockFocus];
cellCacheBounds.origin = NSZeroPoint;
cellCacheBounds.size = [cellCache size];
[activeCell drawWithFrame:cellCacheBounds inView:[NSView focusView]];
[cellCache unlockFocus];
/* save the mouse's location relative to the cell's origin */
dy = mouseDownLocation.y - cellFrame.origin.y;
/* from now on we'll be drawing into ourself */
[self lockFocus];
event = theEvent;
while ([event type] != NSLeftMouseUp)
{
/* erase the active cell using the image in the matrix cache */
visibleRect = [self visibleRect];
#ifdef GNUSTEP_BASE_VERSION
/* origin y of cellFrame is upper/left, composite origin is lower/left on GNUstep */
/*[matrixCache compositeToPoint:NSMakePoint(NSMinX(cellFrame), NSMinY(cellFrame))
fromRect:NSMakeRect(0.0, NSHeight(visibleRect) - NSMinY(cellFrame) +
NSMinY(visibleRect) - NSHeight(cellFrame),
NSWidth(cellFrame), NSHeight(cellFrame))
operation:NSCompositeCopy];*/
/* there is something wrong with the composit on GNUstep, the obove doesn't work */
[matrixCache compositeToPoint:NSMakePoint(NSMinX(cellFrame), NSMaxY(visibleRect))
fromRect:NSMakeRect(0.0, 0.0, NSWidth(cellFrame), NSHeight(visibleRect))
operation:NSCompositeCopy];
#else
[[self window] restoreCachedImage];
/*if ( NSAppKitVersionNumber >= NSAppKitVersionNumber10_6 ) // 10.6: composite = deprecated, drawAtPoint doesn't flip, drawRect >= 10.6
[matrixCache drawInRect:[self visibleRect] fromRect:NSZeroRect
operation:NSCompositeCopy fraction:1.0 respectFlipped:YES hints:nil]; // >= 10.6
else // <= 10.5
[matrixCache compositeToPoint:NSMakePoint(NSMinX(cellFrame), NSMaxY(cellFrame))
fromRect:NSMakeRect(0.0, NSHeight(visibleRect) - NSMinY(cellFrame) +
NSMinY(visibleRect) - NSHeight(cellFrame),
NSWidth(cellFrame), NSHeight(cellFrame))
operation:NSCompositeCopy];*/
#endif
/* move the active cell */
mouseLocation = [self convertPoint:[event locationInWindow] fromView:nil];
cellFrame.origin.y = mouseLocation.y - dy;
/* constrain the cell's location to our bounds */
if (NSMinY(cellFrame) < NSMinX([self bounds]) )
cellFrame.origin.y = NSMinX([self bounds]);
else if (NSMaxY(cellFrame) > NSMaxY([self bounds]))
cellFrame.origin.y = NSHeight([self bounds]) - NSHeight(cellFrame);
/* make sure the cell will be entirely visible in its new location (if
* we're in a scrollView, it may not be)
*/
if (!NSContainsRect(visibleRect, cellFrame) && [self isAutoscroll])
{
/* the cell won't be entirely visible, so scroll, dood, scroll, but
* don't display on-screen yet
*/
[[self window] disableFlushWindow];
[self scrollRectToVisible:cellFrame];
[[self window] enableFlushWindow];
/* copy the new image to the matrix cache */
[matrixCache lockFocus];
//visibleRect = [self convertRect:[self visibleRect] fromView:[self superview]];
//visibleRect = [self convertRect:visibleRect toView:nil];
visibleRect = [self convertRect:[self visibleRect] toView:nil];
#ifdef GNUSTEP_BASE_VERSION
PScomposite(NSMinX(visibleRect), NSMinY(visibleRect), NSWidth(visibleRect), NSHeight(visibleRect),
[[self window] gState], 0.0, 0.0, NSCompositeCopy);
#else
[[self window] cacheImageInRect:visibleRect];
// FIXME: this is a NOP on Apple
//PScomposite(NSMinX(visibleRect), NSMinY(visibleRect), NSWidth(visibleRect), NSHeight(visibleRect),
// [[self window] gState], 0.0, NSHeight(visibleRect), NSCompositeCopy);
#endif
[matrixCache unlockFocus];
/* note that we scrolled and start generating timer events for autoscrolling */
scrolled = YES;
startTimer(inTimerLoop);
}
else
stopTimer(inTimerLoop);
/* composite the active cell's image on top of ourself */
if ( NSAppKitVersionNumber >= NSAppKitVersionNumber10_6 ) // 10.6: composite = deprecated, drawAtPoint doesn't flip, drawRect >= 10.6
{ NSRect srcRect = NSMakeRect(0.0, 0.0, NSWidth(cellFrame), NSHeight(cellFrame));
NSRect dstRect = NSMakeRect(NSMinX(cellFrame), NSMinY(cellFrame), NSWidth(cellFrame), NSHeight(cellFrame));
[cellCache drawInRect:dstRect fromRect:srcRect operation:NSCompositeCopy fraction:1.0 respectFlipped:YES hints:nil]; // >= 10.6
/*[cellCache drawAtPoint:NSMakePoint(cellFrame.origin.x, NSMaxY(cellFrame))
fromRect:NSMakeRect(0.0, 0.0, NSWidth(cellFrame), NSHeight(cellFrame))
operation:NSCompositeCopy fraction:1.0];*/
}
else // <= 10.5
[cellCache compositeToPoint:NSMakePoint(cellFrame.origin.x, NSMaxY(cellFrame))
fromRect:NSMakeRect(0.0, 0.0, NSWidth(cellFrame), NSHeight(cellFrame))
operation:NSCompositeCopy];
/* now show what we've done */
[[self window] flushWindow];
if (scrolled) // if we autoscrolled, flush any lingering
{ PSWait(); // window server events to make the scrolling
scrolled = NO; // smooth
}
/* save the current mouse location, just in case we need it again */
mouseLocation = [event locationInWindow];
/* no mouse moved available, then take mouseMoved, mouseUp, or timer */
if (![[self window] nextEventMatchingMask:MOVE_MASK untilDate:[NSDate date]
inMode:NSEventTrackingRunLoopMode dequeue:NO])
event = [[self window] nextEventMatchingMask:MOVE_MASK | NSPeriodicMask];
else
event = [[self window] nextEventMatchingMask:MOVE_MASK];
if ([event type] == NSPeriodic)
event = periodicEventWithLocationSetToPoint(event, mouseLocation);
}
stopTimer(inTimerLoop);
[self unlockFocus];
/* find the cell under the mouse's location */
mouseUpLocation = [event locationInWindow];
mouseUpLocation = [self convertPoint:mouseUpLocation fromView:nil];
if (![self getRow:&newRow column:&column forPoint:mouseUpLocation])
[self getRow:&newRow column:&column forPoint:(cellFrame.origin)];
/* we need to shuffle cells if the active cell's going to a new location */
if ( ![[self cellAtRow:row column:0] dependant] && ![[self cellAtRow:newRow column:0] dependant] )
{
if ( !((delegate && [delegate respondsToSelector:@selector(matrixShouldShuffleCells)])
&& ![delegate matrixShouldShuffleCells]) ) // no shuffle
{
[self shuffleCell:row to:newRow];
if ( [[self cellAtRow:(row<newRow)?row:row+1 column:0] dependant] )
[self shuffleCell:(row<newRow)?row:row+1 to:(row<newRow)?newRow:newRow+1];
}
}
/* make sure the active cell's visible if we're autoscrolling */
if ([self isAutoscroll])
[self scrollCellToVisibleAtRow:newRow column:0];
/* no longer dragging the cell */
[activeCell release];
activeCell = 0;
/* size to cells after all this shuffling and turn autodisplay back on */
[self sizeToCells];
[self display];
}
- (void)shuffleCell:(int)row to:(int)newRow
{ NSCell *tmpCell;
int r = row, nr = newRow;
int selectedRow = [self selectedRow];
if (newRow != row)
{
activeCell = [[self cellAtRow:row column:0] retain];
if (newRow > row)
{
if (selectedRow <= newRow) // adjust selected row if before
selectedRow--; // new active cell location
while (row++ < newRow) // push all cells above the active
{ tmpCell = [self cellAtRow:row column:0]; // cell's new location up one row
[self putCell:tmpCell atRow:row-1 column:0]; // so that we fill the vacant spot
[tmpCell setTag:row-1];
}
[self putCell:activeCell atRow:newRow column:0]; // now place the active cell
[(NSCell*)activeCell setTag:newRow]; // in its new home
}
else if (newRow < row)
{
if (selectedRow >= newRow) // adjust selected row if after
selectedRow++; // new active cell location
while (row-- > newRow) // push all cells below the active
{ tmpCell = [self cellAtRow:row column:0]; // cell's new location down one
[self putCell:tmpCell atRow:row+1 column:0]; // row so that we fill
[tmpCell setTag:row+1]; // the vacant spot
}
[self putCell:activeCell atRow:newRow column:0]; // now place the active cell
[(NSCell*)activeCell setTag:newRow]; // in its new home
}
if ([activeCell state]) // if the active cell is selected,
selectedRow = newRow; // note its new row
[self selectCellAtRow:selectedRow column:0];
activeCell = nil; // no longer dragging the cell
if (delegate && [delegate respondsToSelector:@selector(matrixDidShuffleCellFrom:to:)])
[delegate matrixDidShuffleCellFrom:r to:nr];
}
else
activeCell = nil;
}
- (void)drawRect:(NSRect)rect;
{ NSInteger row, col;
NSRect cellBorder;
NSRectEdge sides[] = {NSMinXEdge, NSMinYEdge, NSMaxXEdge, NSMaxYEdge, NSMinXEdge, NSMinYEdge};
//CGFloat grays[] = {NSDarkGray, NSDarkGray, NSWhite, NSWhite, NSBlack, NSBlack}; // OpenStep
CGFloat grays[] = {NSLightGray, NSLightGray, NSWhite, NSWhite, NSLightGray, NSLightGray}; // Apple
/* do the regular drawing */
[super drawRect:rect];
/* draw a "well" if the user's dragging a cell */
if (activeCell)
{
/* get the cell's frame */
[self getRow:&row column:&col ofCell:activeCell];
cellBorder = [self cellFrameAtRow:row column:col];
/* draw the well */
//NSDrawGroove(cellBorder, cellBorder);
cellBorder = NSDrawTiledRects(cellBorder, cellBorder, sides, grays, 4);
//[[NSColor colorWithDeviceWhite:0.17 alpha:1.0] set];
[[NSColor controlBackgroundColor] set];
NSRectFill(cellBorder);
}
}
- (void)setupCache
{ NSRect visibleRect;
/* create the matrix cache window */
visibleRect = [self visibleRect];
matrixCache = [self sizeCache:matrixCache to:(visibleRect.size)];
/* create the cell cache window */
cellCache = [self sizeCache:cellCache to:[self cellSize]];
}
- (NSImage*)sizeCache:(NSImage*)cache to:(NSSize)newSize
{
/* This is a workaround for [NSImage setSize:] on GNUstep. */
#ifdef GNUSTEP_BASE_VERSION
if (cache)
{ [cache release];
cache = nil;
}
#endif
if (!cache)
cache = [[FlippedImage alloc] initWithSize:newSize];
/* make sure the cache window's the right size */
else
{ NSSize size = [cache size];
if (size.width != newSize.width || size.height != newSize.height)
[cache setSize:newSize];
}
return cache;
}
- (void)setDelegate:(id)anObject
{
delegate = anObject;
}
- delegate
{
return delegate;
}
- (void)dealloc
{
[matrixCache release];
[cellCache release];
[super dealloc];
}
@end
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