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libs-gui/Source/NSTextBlock.m
Sebastian Reitenbach 6d5a0cc236 A bunch of format string fixes and some casts to force formats 
No objections from Fred Kiefer ;)



git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@38569 72102866-910b-0410-8b05-ffd578937521
2015-05-26 17:15:16 +00:00

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/* NSTextBlock.m
Copyright (C) 2008 Free Software Foundation, Inc.
Author: H. Nikolaus Schaller
Date: 2007
Author: Fred Kiefer <fredkiefer@gmx.de>
Date: January 2008
This file is part of the GNUstep GUI Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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 GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; see the file COPYING.LIB.
If not, see <http://www.gnu.org/licenses/> or write to the
Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#import <Foundation/NSCoder.h>
#import <Foundation/NSException.h>
#import <Foundation/NSString.h>
#import "AppKit/NSColor.h"
#import "AppKit/NSGraphics.h"
#import "AppKit/NSTextTable.h"
#import "GSGuiPrivate.h"
@implementation NSTextBlock
- (id) init
{
// FIXME
return self;
}
- (void) dealloc
{
RELEASE(_backgroundColor);
RELEASE(_borderColorForEdge[NSMinXEdge]);
RELEASE(_borderColorForEdge[NSMinYEdge]);
RELEASE(_borderColorForEdge[NSMaxXEdge]);
RELEASE(_borderColorForEdge[NSMaxYEdge]);
[super dealloc];
}
- (NSColor *) backgroundColor
{
return _backgroundColor;
}
- (void) setBackgroundColor: (NSColor *)color
{
ASSIGN(_backgroundColor, color);
}
- (NSColor *) borderColorForEdge: (NSRectEdge)edge
{
return _borderColorForEdge[edge];
}
- (void) setBorderColor: (NSColor *)color forEdge: (NSRectEdge)edge
{
if (edge >= sizeof(_borderColorForEdge) / sizeof(_borderColorForEdge[0]))
[NSException raise: NSInvalidArgumentException
format: @"invalid edge %lu", (unsigned long) edge];
ASSIGN(_borderColorForEdge[edge], color);
}
- (void) setBorderColor: (NSColor *)color
{
ASSIGN(_borderColorForEdge[NSMinXEdge], color);
ASSIGN(_borderColorForEdge[NSMinYEdge], color);
ASSIGN(_borderColorForEdge[NSMaxXEdge], color);
ASSIGN(_borderColorForEdge[NSMaxYEdge], color);
}
- (CGFloat) contentWidth
{
return [self valueForDimension: NSTextBlockWidth];
}
- (NSTextBlockValueType) contentWidthValueType
{
return [self valueTypeForDimension: NSTextBlockWidth];
}
- (void) setContentWidth: (CGFloat)val type: (NSTextBlockValueType)type
{
[self setValue: val type: type forDimension: NSTextBlockWidth];
}
- (NSTextBlockVerticalAlignment) verticalAlignment
{
return _verticalAlignment;
}
- (void) setVerticalAlignment: (NSTextBlockVerticalAlignment)alignment
{
_verticalAlignment = alignment;
}
- (CGFloat) valueForDimension: (NSTextBlockDimension)dimension
{
if (dimension >= sizeof(_valueType) / sizeof(_valueType[0]))
[NSException raise: NSInvalidArgumentException
format: @"invalid dimension %d", dimension];
return _value[dimension];
}
- (NSTextBlockValueType) valueTypeForDimension: (NSTextBlockDimension)dimension
{
if (dimension >= sizeof(_valueType) / sizeof(_valueType[0]))
[NSException raise: NSInvalidArgumentException
format: @"invalid dimension %d", dimension];
return _valueType[dimension];
}
- (CGFloat) _scaledValue: (NSTextBlockDimension)dimension : (NSSize)size
{
if (_valueType[dimension] == NSTextBlockAbsoluteValueType)
{
return _value[dimension];
}
else
{
// specified in percent
switch(dimension)
{
case NSTextBlockWidth:
case NSTextBlockMinimumWidth:
case NSTextBlockMaximumWidth:
return _value[dimension] * size.width;
case NSTextBlockHeight:
case NSTextBlockMinimumHeight:
case NSTextBlockMaximumHeight:
return _value[dimension] * size.height;
}
}
return 0.0;
}
- (void) setValue: (CGFloat)val
type: (NSTextBlockValueType)type
forDimension: (NSTextBlockDimension)dimension
{
if (dimension >= sizeof(_valueType) / sizeof(_valueType[0]))
[NSException raise: NSInvalidArgumentException
format: @"invalid dimension %d", dimension];
_value[dimension] = val;
_valueType[dimension] = type;
}
- (CGFloat) widthForLayer: (NSTextBlockLayer)layer edge: (NSRectEdge)edge
{
if (layer >= sizeof(_width) / sizeof(_width[0]))
[NSException raise: NSInvalidArgumentException
format: @"invalid layer %d", layer];
if (edge >= sizeof(_width[0]) / sizeof(_width[0][0]))
[NSException raise: NSInvalidArgumentException
format: @"invalid edge %lu", (unsigned long) edge];
return _width[layer][edge];
}
- (NSTextBlockValueType) widthValueTypeForLayer: (NSTextBlockLayer)layer
edge: (NSRectEdge)edge
{
if (layer >= sizeof(_width) / sizeof(_width[0]))
[NSException raise: NSInvalidArgumentException
format: @"invalid layer %d", layer];
if (edge >= sizeof(_width[0]) / sizeof(_width[0][0]))
[NSException raise: NSInvalidArgumentException
format: @"invalid edge %lu", (unsigned long) edge];
return _widthType[layer][edge];
}
- (void) setWidth: (CGFloat)val
type: (NSTextBlockValueType)type
forLayer: (NSTextBlockLayer)layer
edge: (NSRectEdge)edge
{
if (layer >= sizeof(_width) / sizeof(_width[0]))
[NSException raise: NSInvalidArgumentException
format: @"invalid layer %d", layer];
if (edge >= sizeof(_width[0]) / sizeof(_width[0][0]))
[NSException raise: NSInvalidArgumentException
format: @"invalid edge %lu", (unsigned long) edge];
_width[layer][edge] = val;
_widthType[layer][edge] = type;
}
- (void) setWidth: (CGFloat)val
type: (NSTextBlockValueType)type
forLayer: (NSTextBlockLayer)layer
{
if (layer >= sizeof(_width) / sizeof(_width[0]))
[NSException raise: NSInvalidArgumentException
format: @"invalid layer %d", layer];
_width[layer][NSMinXEdge] = val;
_widthType[layer][NSMinXEdge] = type;
_width[layer][NSMinYEdge] = val;
_widthType[layer][NSMinYEdge] = type;
_width[layer][NSMaxXEdge] = val;
_widthType[layer][NSMaxXEdge] = type;
_width[layer][NSMaxYEdge] = val;
_widthType[layer][NSMaxYEdge] = type;
}
- (CGFloat) _scaledWidthValue: (NSTextBlockLayer) layer : (NSRectEdge) edge : (NSSize) size
{
if (_widthType[layer][edge] == NSTextBlockAbsoluteValueType)
{
// absolute
return _width[layer][edge];
}
else
{
// specified in percent
switch(edge)
{
case NSMinXEdge:
case NSMaxXEdge:
return _widthType[layer][edge]*size.width;
case NSMinYEdge:
case NSMaxYEdge:
return _widthType[layer][edge]*size.height;
}
}
return 0.0;
}
- (NSRect) boundsRectForContentRect: (NSRect)cont
inRect: (NSRect)rect
textContainer: (NSTextContainer *)container
characterRange: (NSRange)range
{
CGFloat minx = [self _scaledWidthValue: NSTextBlockPadding : NSMinXEdge: rect.size]
+ [self _scaledWidthValue: NSTextBlockBorder : NSMinXEdge : rect.size]
+ [self _scaledWidthValue: NSTextBlockMargin : NSMinXEdge : rect.size];
CGFloat maxx = [self _scaledWidthValue: NSTextBlockPadding: NSMaxXEdge: rect.size]
+ [self _scaledWidthValue: NSTextBlockBorder : NSMaxXEdge : rect.size]
+ [self _scaledWidthValue: NSTextBlockMargin : NSMaxXEdge : rect.size];
CGFloat miny= [self _scaledWidthValue: NSTextBlockPadding : NSMinYEdge: rect.size]
+ [self _scaledWidthValue: NSTextBlockBorder : NSMinYEdge : rect.size]
+ [self _scaledWidthValue: NSTextBlockMargin : NSMinYEdge : rect.size];
CGFloat maxy = [self _scaledWidthValue: NSTextBlockPadding: NSMaxYEdge: rect.size]
+ [self _scaledWidthValue: NSTextBlockBorder : NSMaxYEdge : rect.size]
+ [self _scaledWidthValue: NSTextBlockMargin : NSMaxYEdge : rect.size];
cont.origin.x -= minx;
cont.size.width += minx + maxx;
cont.origin.y -= miny;
cont.size.height += miny + maxy;
return cont;
}
/**
* POINT is the point in NSTextContainer where the TextBlock should be laid out.
* RECT is the bounding rect (e.g. the rect of the container or the rect of the
* outer table cell)
* what are we doing with CONT? Do we limit to width of container?
* what are we doing with RANGE? We don't know the layout manager
* This is the default implementation for a single-cell
* (NSTextTableBlock can handle cell span)
* raises internal inconsisteny exception if the layout manager
* (the one owning the textContainer)
* does not have a table at the given characterRange
*/
- (NSRect) rectForLayoutAtPoint: (NSPoint)point
inRect: (NSRect)rect
textContainer: (NSTextContainer *)cont
characterRange: (NSRange)range
{
NSRect r;
NSSize size = (NSSize){[self _scaledValue: NSTextBlockWidth : rect.size],
[self _scaledValue: NSTextBlockHeight : rect.size]};
// when and how do we define size by content? If size is (0, 0)?
// or is this the input to calculating size of enclosed text?
size.width = MAX(size.width, [self _scaledValue: NSTextBlockMinimumWidth : rect.size]);
// not smaller than minimum
size.height = MAX(size.height, [self _scaledValue: NSTextBlockMinimumHeight : rect.size]);
size.width = MIN(size.width, [self _scaledValue: NSTextBlockMaximumWidth : rect.size]);
// but also not larger than maximum
size.height = MIN(size.height, [self _scaledValue: NSTextBlockMaximumHeight : rect.size]);
r = (NSRect){point, size};
// who handles vertical alignment?
// limit to what is available
return NSIntersectionRect(r, rect);
}
- (void) drawBackgroundWithFrame: (NSRect)rect // this is the frame of the cell
inView: (NSView *)view
characterRange: (NSRange)range
layoutManager: (NSLayoutManager *)lm
{
CGFloat minx = [self _scaledWidthValue: NSTextBlockPadding : NSMinXEdge : rect.size];
CGFloat maxx = [self _scaledWidthValue: NSTextBlockPadding : NSMaxXEdge : rect.size];
CGFloat miny = [self _scaledWidthValue: NSTextBlockPadding : NSMinYEdge : rect.size];
CGFloat maxy = [self _scaledWidthValue: NSTextBlockPadding : NSMaxYEdge : rect.size];
// FIXME - inset from frame by margin in the first step
rect.origin.x -= minx;
rect.size.width += minx + maxx;
rect.origin.y -= miny;
rect.size.height += miny + maxy;
[_backgroundColor set];
// fill inner rect
NSRectFill(rect);
minx = [self _scaledWidthValue: NSTextBlockBorder : NSMinXEdge : rect.size];
maxx = [self _scaledWidthValue: NSTextBlockBorder : NSMaxXEdge : rect.size];
miny = [self _scaledWidthValue: NSTextBlockBorder : NSMinYEdge : rect.size];
maxy = [self _scaledWidthValue: NSTextBlockBorder : NSMaxYEdge : rect.size];
[_borderColorForEdge[NSMinXEdge] set];
NSRectFill(NSMakeRect(rect.origin.x - minx, rect.origin.y, minx, rect.size.height));
[_borderColorForEdge[NSMaxYEdge] set];
NSRectFill(NSMakeRect(rect.origin.x, rect.origin.y + rect.size.height + maxy, rect.size.width, maxy));
[_borderColorForEdge[NSMaxXEdge] set];
NSRectFill(NSMakeRect(rect.origin.x + rect.size.width, rect.origin.y, maxx, rect.size.height));
[_borderColorForEdge[NSMinYEdge] set];
NSRectFill(NSMakeRect(rect.origin.x, rect.origin.y - maxy, rect.size.width, miny));
// FIXME: how do we handle the corners of differenly sized and colored borders?
// Do we have to fill trapezoids?
}
- (id) copyWithZone: (NSZone*)zone
{
NSTextBlock *t = (NSTextBlock*)NSCopyObject(self, 0, zone);
_backgroundColor = TEST_RETAIN(_backgroundColor);
_borderColorForEdge[NSMinXEdge] =
TEST_RETAIN(_borderColorForEdge[NSMinXEdge]);
_borderColorForEdge[NSMinYEdge] =
TEST_RETAIN(_borderColorForEdge[NSMinYEdge]);
_borderColorForEdge[NSMaxXEdge] =
TEST_RETAIN(_borderColorForEdge[NSMaxXEdge]);
_borderColorForEdge[NSMaxYEdge] =
TEST_RETAIN(_borderColorForEdge[NSMaxYEdge]);
return t;
}
- (void) encodeWithCoder: (NSCoder*)aCoder
{
// FIXME
if ([aCoder allowsKeyedCoding])
{
}
else
{
}
}
- (id) initWithCoder: (NSCoder*)aDecoder
{
// FIXME
if ([aDecoder allowsKeyedCoding])
{
}
else
{
}
return self;
}
@end
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