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/* MiscTabActionCell.m
*
* By Bill Edney, Sean Hill, Mark Onyschuk, and Art Isbell
* Copyright (C) 1996. Use governed by the MiscKit license.
*/
#import "MiscTabActionCell.h"
#import <AppKit/AppKit.h>
#import "MiscDrawTab.h" // pswrap that draws tab ends.
@implementation MiscTabActionCell
// Methods Overridden From the Superclass
- initTextCell:(NSString *)aString
// Initializes a new instance of the receiver.
{
[super initTextCell:aString];
// finish the initialization process
[self finishInitializing];
return self;
}
- (id)initWithCoder:(NSCoder *)coder
// Performs additional intialization of the receiver after decoding
{
// do the superclass' awake method
self = [super initWithCoder:coder];
// finish the initializing process
[self finishInitializing];
return self;
}
- (void)setFont:(NSFont *)fontObj
// Sets the receiver's font to <fontObj> and fetches font info used
// during the receiver's display.
{
float lineHeight, ascender, descender;
// Do the superclass' init method
[super setFont:fontObj];
// Grab the font information for the contents of the cell
ascender = [fontObj ascender];
descender = [fontObj descender];
lineHeight = [fontObj capHeight];
// Set tabHeight to match that in EOF IB's StackView. This results in a
// height of 17 for Helvetica 12.
tabHeight = lineHeight - descender + 5.0;
// Set tabBezierImageWidth to provide reasonable scaling behavior.
tabBezierImageWidth = tabHeight * 14.0 / 17.0;
}
- (void)drawInteriorWithFrame:(NSRect)cellFrame inView:controlView
// Draws the receiver inside <cellFrame> in view <controlView>.
{
float halfImageWidth = tabBezierImageWidth / 2.0;
NSPoint leftImageOrigin,
rightImageOrigin;
float unselectedGray;
NSRect textFrame,
lowerBezelFrame;
NSArray *controlCellList;
int indx,
intImageWidth = (int)(tabBezierImageWidth + 0.5);
// if there are no contents, then punt...
if (![self stringValue]) {
return;
}
if([NSWindow defaultDepthLimit]<=NSBestDepth(NSCalibratedWhiteColorSpace, 2, 2, YES, NULL))
unselectedGray = NSDarkGray;
else
unselectedGray = 0.5;
// if <controlView> is not a kind of Matrix (i.e. in IB)
if (![controlView isKindOfClass:[NSMatrix class]]) {
[super drawInteriorWithFrame:cellFrame inView:controlView];
return;
}
if ([controlView drawsBackground]) {
[[controlView backgroundColor] set];
NSRectFill(cellFrame);
}
// fetch information about ourselves in our Matrix
controlCellList = [controlView cells];
indx = [controlCellList indexOfObject:self];
// set up the lowerBezelFrame that will be used for drawing the bezel
// at our bottom
lowerBezelFrame = NSMakeRect(NSMinX(cellFrame) + halfImageWidth, NSMaxY(cellFrame)-1.0, NSWidth(cellFrame), 1.0);
// set textFrame to cellFrame
textFrame = cellFrame;
// set up the leftImageOrigin
leftImageOrigin.x = NSMinX(cellFrame);
leftImageOrigin.y = NSMaxY(cellFrame);
// if indx is 0 (we are the first cell)
if (indx == 0) {
// if we are selected
if ([self isSelected]) {
// Draw selected left tab bezier at leftImageOrigin.
Misc_drawLeftTabBezier((int)leftImageOrigin.x, (int)leftImageOrigin.y,
intImageWidth, (int)tabHeight, NSWhite, NSLightGray);
} else {
// Otherwise, draw left tab bezier at leftImageOrigin.
Misc_drawLeftTabBezier((int)leftImageOrigin.x, (int)leftImageOrigin.y,
intImageWidth, (int)tabHeight, NSLightGray,
unselectedGray);
// subtract a half tabBezierImageWidth from lowerBezelFrame's x
lowerBezelFrame.origin.x -= halfImageWidth;
}
// add a tabBezierImageWidth to textFrame's x
textFrame.origin.x += tabBezierImageWidth;
// subtract a tabBezierImageWidth plus half tabBezierImageWidth minus 1.0
// from textFrame's width
textFrame.size.width -= tabBezierImageWidth + halfImageWidth - 1.0;
} else {
// subtract a half tabBezierImageWidth from leftImageOrigin's x
leftImageOrigin.x -= halfImageWidth;
// if the cell to left of us is selected
if ([[controlCellList objectAtIndex:indx - 1] isSelected]) {
// Draw left tab bezier at leftImageOrigin.
Misc_drawLeftTabBezier((int)leftImageOrigin.x, (int)leftImageOrigin.y,
intImageWidth, (int)tabHeight, NSLightGray,
unselectedGray);
// Draw selected right tab bezier at leftImageOrigin.
Misc_drawRightTabBezier((int)leftImageOrigin.x, (int)leftImageOrigin.y,
intImageWidth, (int)tabHeight, NSBlack, NSLightGray);
} else if ([self isSelected]) {
// otherwise, if we are selected
// Draw right tab bezier at leftImageOrigin.
// composite tabEndImage to leftImageOrigin
Misc_drawRightTabBezier((int)leftImageOrigin.x, (int)leftImageOrigin.y,
intImageWidth, (int)tabHeight, NSBlack, unselectedGray);
// Draw selected left tab bezier at leftImageOrigin.
Misc_drawLeftTabBezier((int)leftImageOrigin.x, (int)leftImageOrigin.y,
intImageWidth, (int)tabHeight, NSWhite, NSLightGray);
} else {
// Draw left tab bezier at leftImageOrigin.
Misc_drawLeftTabBezier((int)leftImageOrigin.x, (int)leftImageOrigin.y,
intImageWidth, (int)tabHeight, NSLightGray,
unselectedGray);
// Draw right tab bezier at leftImageOrigin.
Misc_drawRightTabBezier((int)leftImageOrigin.x, (int)leftImageOrigin.y,
intImageWidth, (int)tabHeight, NSBlack, unselectedGray);
// subtract a half tabBezierImageWidth from lowerBezelFrame's x
lowerBezelFrame.origin.x -= tabBezierImageWidth;
// add 1.0 to lowerBezelFrame's width
lowerBezelFrame.size.width += 1.0;
}
// add a half tabBezierImageWidth to textFrame's x
textFrame.origin.x += halfImageWidth;
// subtract a tabBezierImageWidth minus 1.0 from textFrame's width
textFrame.size.width -= tabBezierImageWidth - 1.0;
}
// if indx is less than controlCellList's count minus 1 then we're
// not the last cell, and...
if (indx < [controlCellList count] - 1) {
// draw the cell to the right of us
[controlView drawCell:[controlCellList objectAtIndex:indx + 1]];
} else {
// set up the rightImageOrigin
rightImageOrigin.x = NSMinX(cellFrame) + NSWidth(cellFrame)
- tabBezierImageWidth;
rightImageOrigin.y = NSMinY(cellFrame) + NSHeight(cellFrame);
// if we are selected
if ([self isSelected]) {
// Draw selected right tab bezier at rightImageOrigin.
Misc_drawRightTabBezier((int)rightImageOrigin.x,
(int)rightImageOrigin.y, intImageWidth,
(int)tabHeight, NSBlack, NSLightGray);
} else {
// Draw right tab bezier at rightImageOrigin.
Misc_drawRightTabBezier((int)rightImageOrigin.x,
(int)rightImageOrigin.y, intImageWidth,
(int)tabHeight, NSBlack, unselectedGray);
}
// subtract a tabBezierImageWidth from textFrame's width
textFrame.size.width -= halfImageWidth;
// add a half tabBezierImageWidth to lowerBezelFrame's width
lowerBezelFrame.size.width += halfImageWidth;
}
// erase the cell
// if we are selected
if ([self isSelected]) {
// set our drawing color to NX_LTGRAY
PSsetgray(NSLightGray);
} else {
PSsetgray(unselectedGray);
}
textFrame.size.height = tabHeight;
textFrame.origin.y = NSMaxY(cellFrame) - tabHeight;
// fill in textFrame
NSRectFill(textFrame);
// now draw the upper bezel
// set our drawing color to NSWhite
// if we are selected
if ([self isSelected]) {
PSsetgray(NSWhite);
} else {
PSsetgray(NSLightGray);
}
// set textFrame's height to 1.0
textFrame.size.height = 1.0;
// fill in textFrame
NSRectFill(textFrame);
// now draw the text
// If we are enabled, draw NSBlack, else draw NSLightGray
if ([self isEnabled])
PSsetgray(NSBlack);
else
PSsetgray(NSLightGray);
// draw the cell's contents
if ([[NSDPSContext currentContext] isDrawingToScreen] && [[self font] screenFont])
[[[self font] screenFont] set];
else
[[self font] set];
// The offsets were empirically set by emulating the StackView used in the
// EOF IB's File Window.
PSmoveto(NSMinX(textFrame) + 3.0, NSMinY(textFrame) + tabHeight - 4.0);
PSshow([[self stringValue] cString]);
// if we are not selected
if (![self isSelected]) {
// draw the lower bezel
// set our drawing color to NX_WHITE
PSsetgray(NSWhite);
// fill in lowerBezelFrame
NSRectFill(lowerBezelFrame);
}
}
- (void)highlight:(BOOL)flag withFrame:(NSRect)cellFrame inView:(NSView *)aView
{
[super highlight:flag withFrame:cellFrame inView:aView];
[self drawInteriorWithFrame:cellFrame inView:aView];
}
- (NSSize)cellSizeForBounds:(NSRect)aRect
{
NSSize theSize;
theSize.height = tabHeight;
theSize.width = (2*tabBezierImageWidth+
[[self font] widthOfString:[self stringValue]]);
return theSize;
}
- (BOOL)trackMouse:(NSEvent *)theEvent
inRect:(NSRect)cellFrame
ofView:(NSView *)controlView
untilMouseUp:(BOOL)flag
{
BOOL boolValue = [super trackMouse:(NSEvent *)theEvent
inRect:(NSRect)cellFrame
ofView:controlView
untilMouseUp:(BOOL)flag];
[controlView display];
if ([theEvent type] == NSLeftMouseUp)
{
[self setState:![self state]];
}
return boolValue;
}
- (BOOL)startTrackingAt:(NSPoint)startPoint inView:aView
{
[aView sendAction];
return NO;
}
// Other Instance Methods
- (void)finishInitializing
{
[self setFont:[self font]];
}
// Accessor Methods
- (BOOL)isSelected
{
return ([self isHighlighted] || [self state]);
}
@endThese are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.