mozilla
/
pjs
зеркало из https://github.com/mozilla/pjs.git
1
0
Форкнуть 0
Код Задачи Пакеты Проекты Релизы Вики Активность

Implement tab scrolling. Patch by Desmond Elliott <d.elliott@sms.ed.ac.uk>. r=smorgan sr=pink b=319777

This commit is contained in:
stridey%gmail.com 2006-10-05 07:30:07 +00:00
Родитель b55eae7ed6
Коммит b5ef219e1b
6 изменённых файлов: 228 добавлений и 126 удалений
Показать статистику Скачать Patch файл Скачать Diff файл Показать все файлы Свернуть все файлы

69
camino/Camino.xcode/project.pbxproj
Просмотреть файл

@ -4648,7 +4648,6 @@
E010866D06BCA2E500BD5DE0,
E010866E06BCA2E500BD5DE0,
E010866F06BCA2E500BD5DE0,
3FF71AE00710A6800081B5D7,
0382B4DA07303CCA00A0228A,
82CE28970736615300B4DE07,
82CE28980736615300B4DE07,
@ -4723,6 +4722,8 @@
DE09CD7A0ACB97C5008A8D9C,
DE09CD7B0ACB97C5008A8D9C,
DE09CD7C0ACB97C5008A8D9C,
DE1BDD260AD4E13000F0C7BD,
DE1BDD270AD4E13000F0C7BD,
);
isa = PBXResourcesBuildPhase;
runOnlyForDeploymentPostprocessing = 0;
@ -8567,7 +8568,6 @@
E010867406BCA2E500BD5DE0,
E010867506BCA2E500BD5DE0,
E010867606BCA2E500BD5DE0,
3FF71AE10710A6800081B5D7,
0382B4DB07303CCA00A0228A,
82CE28840736615300B4DE07,
82CE28850736615300B4DE07,
@ -8646,6 +8646,8 @@
DE09CD750ACB97C5008A8D9C,
DE09CD760ACB97C5008A8D9C,
DE09CD770ACB97C5008A8D9C,
DE1BDD240AD4E13000F0C7BD,
DE1BDD250AD4E13000F0C7BD,
);
isa = PBXResourcesBuildPhase;
runOnlyForDeploymentPostprocessing = 0;
@ -12437,26 +12439,6 @@
settings = {
};
};
3FF71ADF0710A67F0081B5D7 = {
isa = PBXFileReference;
lastKnownFileType = image.tiff;
name = tab_overflow.tif;
path = resources/images/chrome/tab_overflow.tif;
refType = 2;
sourceTree = SOURCE_ROOT;
};
3FF71AE00710A6800081B5D7 = {
fileRef = 3FF71ADF0710A67F0081B5D7;
isa = PBXBuildFile;
settings = {
};
};
3FF71AE10710A6800081B5D7 = {
fileRef = 3FF71ADF0710A67F0081B5D7;
isa = PBXBuildFile;
settings = {
};
};
3FFE23520847CB0D00D6CAFC = {
fileEncoding = 30;
isa = PBXFileReference;
@ -14108,6 +14090,46 @@
settings = {
};
};
DE1BDD220AD4E13000F0C7BD = {
isa = PBXFileReference;
lastKnownFileType = image.tiff;
name = tab_scroll_button_left.tif;
path = resources/images/chrome/tab_scroll_button_left.tif;
refType = 2;
sourceTree = SOURCE_ROOT;
};
DE1BDD230AD4E13000F0C7BD = {
isa = PBXFileReference;
lastKnownFileType = image.tiff;
name = tab_scroll_button_right.tif;
path = resources/images/chrome/tab_scroll_button_right.tif;
refType = 2;
sourceTree = SOURCE_ROOT;
};
DE1BDD240AD4E13000F0C7BD = {
fileRef = DE1BDD220AD4E13000F0C7BD;
isa = PBXBuildFile;
settings = {
};
};
DE1BDD250AD4E13000F0C7BD = {
fileRef = DE1BDD230AD4E13000F0C7BD;
isa = PBXBuildFile;
settings = {
};
};
DE1BDD260AD4E13000F0C7BD = {
fileRef = DE1BDD220AD4E13000F0C7BD;
isa = PBXBuildFile;
settings = {
};
};
DE1BDD270AD4E13000F0C7BD = {
fileRef = DE1BDD230AD4E13000F0C7BD;
isa = PBXBuildFile;
settings = {
};
};
DE74F7470AB25E7D00FD1D5B = {
fileEncoding = 30;
isa = PBXFileReference;
@ -15003,7 +15025,8 @@
3FF08F1206E7D3C2001C9B19,
3FF08F1306E7D3C2001C9B19,
3FF08F1406E7D3C2001C9B19,
3FF71ADF0710A67F0081B5D7,
DE1BDD220AD4E13000F0C7BD,
DE1BDD230AD4E13000F0C7BD,
E091C0D006225EA3007D9E8F,
F540BD1A029ED15301026D5D,
F540BD1C029ED17901026D5D,

Двоичные данные
camino/resources/images/chrome/tab_scroll_button_left.tif Normal file
Просмотреть файл

Двоичный файл не отображается.

Двоичные данные
camino/resources/images/chrome/tab_scroll_button_right.tif Normal file
Просмотреть файл

Двоичный файл не отображается.

10
camino/src/browser/BrowserTabBarView.h
Просмотреть файл

@ -21,6 +21,7 @@
*
* Contributor(s):
* Geoff Beier <me@mollyandgeoff.com>
* Desmond Elliott <d.elliott@inf.ed.ac.uk>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
@ -47,8 +48,8 @@
IBOutlet BrowserTabView* mTabView;
TabButtonCell* mActiveTabButton; // active tab button, mainly useful for handling drags (STRONG)
NSButton* mOverflowButton; // button for overflow menu if we've got more tabs than space (STRONG)
NSMenu* mOverflowMenu; // menu for tab overflow (STRONG);
NSButton* mOverflowRightButton; // button to slide tabs to the left
NSButton* mOverflowLeftButton; // button to slide tabs to the right
// drag tracking
NSPoint mLastClickPoint;
@ -61,6 +62,9 @@
NSImage* mBackgroundImage;
NSImage* mButtonDividerImage;
int mLeftMostVisibleTabIndex; // Index of tab view item left-most in the tab bar
int mNumberOfVisibleTabs; // Number of tab view items drawn in the tab bar
}
// destroy the tab bar and recreate it from the tabview
@ -69,10 +73,10 @@
-(float)tabBarHeight;
-(BrowserTabViewItem*)tabViewItemAtPoint:(NSPoint)location;
-(void)windowClosed;
-(IBAction)overflowMenu:(id)sender;
-(BOOL)isVisible;
// show or hide tabs- should be called if this view will be hidden, to give it a chance to register or
// unregister tracking rects as appropriate
-(void)setVisible:(BOOL)show;
-(void)scrollTabIndexToVisible:(int)index;
@end

252
camino/src/browser/BrowserTabBarView.mm
Просмотреть файл

@ -22,6 +22,7 @@
* Contributor(s):
* Geoff Beier <me@mollyandgeoff.com>
* Aaron Schulman <aschulm@gmail.com>
* Desmond Elliott <d.elliott@inf.ed.ac.uk>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
@ -55,20 +56,25 @@
-(TabButtonCell*)buttonAtPoint:(NSPoint)clickPoint;
-(void)registerTabButtonsForTracking;
-(void)unregisterTabButtonsForTracking;
-(void)initOverflowMenu;
-(void)initOverflow;
-(NSRect)tabsRect;
-(BOOL)isMouseInside;
-(NSString*)view:(NSView*)view stringForToolTip:(NSToolTipTag)tag point:(NSPoint)point userData:(void*)userData;
-(NSButton*)newScrollButton:(NSButton*)button;
-(void)setLeftMostVisibleTabIndex:(int)index;
-(NSButton*)scrollButtonAtPoint:(NSPoint)clickPoint;
-(BOOL)tabIndexIsVisible:(int)index;
-(void)drawButtons;
@end
static const float kTabBarDefaultHeight = 22.0;
static const float kTabBottomPad = 4.0;
@implementation BrowserTabBarView
static const int kTabBarMargin = 5; // left/right margin for tab bar
static const int kTabBarMarginWhenOverflowTabs = 16; // left margin for tab bar when overflowing
static const float kMinTabWidth = 100.0; // the smallest tabs that will be drawn
static const float kMaxTabWidth = 175.0; // the widest tabs that will be drawn
@ -83,7 +89,6 @@ static const int kOverflowButtonMargin = 1;
self = [super initWithFrame:frame];
if (self) {
mActiveTabButton = nil;
mOverflowButton = nil;
mOverflowTabs = NO;
// initialize to YES so that awakeFromNib: will set the right size; awakeFromNib uses setVisible which
// will only be effective if visibility changes. initializing to YES causes the right thing to happen even
@ -113,8 +118,8 @@ static const int kOverflowButtonMargin = 1;
{
[mTrackingCells release];
[mActiveTabButton release];
[mOverflowButton release];
[mOverflowMenu release];
[mOverflowRightButton release];
[mOverflowLeftButton release];
[mBackgroundImage release];
[mButtonDividerImage release];
@ -146,14 +151,18 @@ static const int kOverflowButtonMargin = 1;
if (NSIntersectsRect(tabButtonFrame, rect) && NSMaxX(tabButtonFrame) <= NSMaxX(tabsRect))
[tabButton drawWithFrame:tabButtonFrame inView:self];
// draw the first divider.
if ((prevButton == nil) && ([tab tabState] != NSSelectedTab))
[mButtonDividerImage compositeToPoint:NSMakePoint(tabButtonFrame.origin.x - [mButtonDividerImage size].width, tabButtonFrame.origin.y)
operation:NSCompositeSourceOver];
prevButton = tabButton;
tab = nextTab;
}
// The button divider image should only be drawn if the left most visible tab is not selected.
if ([mTabView indexOfTabViewItem:[mTabView selectedTabViewItem]] != mLeftMostVisibleTabIndex) {
if (mOverflowTabs)
[mButtonDividerImage compositeToPoint:NSMakePoint(kTabBarMarginWhenOverflowTabs - [mButtonDividerImage size].width, 0) operation:NSCompositeSourceOver];
else
[mButtonDividerImage compositeToPoint:NSMakePoint(kTabBarMargin - [mButtonDividerImage size].width, 0) operation:NSCompositeSourceOver];
}
if (mDragOverBar && !mDragDestButton)
[self drawTabBarBackgroundHiliteRectInRect:rect];
}
@ -178,11 +187,12 @@ static const int kOverflowButtonMargin = 1;
{
NSPoint clickPoint = [self convertPoint:[theEvent locationInWindow] fromView:nil];
TabButtonCell *clickedTabButton = [self buttonAtPoint:clickPoint];
NSButton *clickedScrollButton = [self scrollButtonAtPoint:clickPoint];
mLastClickPoint = clickPoint;
if (clickedTabButton && ![clickedTabButton willTrackMouse:theEvent inRect:[clickedTabButton frame] ofView:self])
[[[clickedTabButton tabViewItem] tabItemContentsView] mouseDown:theEvent];
else if (!clickedTabButton && [theEvent clickCount] == 2)
else if (!clickedTabButton && !clickedScrollButton && [theEvent clickCount] == 2)
[[NSNotificationCenter defaultCenter] postNotificationName:kTabBarBackgroundDoubleClickedNotification
object:mTabView];
}
@ -210,6 +220,16 @@ static const int kOverflowButtonMargin = 1;
}*/
}
// Returns the scroll button at the specified point, if there is one.
-(NSButton*)scrollButtonAtPoint:(NSPoint)clickPoint
{
if (NSPointInRect(clickPoint, [mOverflowLeftButton frame]))
return mOverflowLeftButton;
if (NSPointInRect(clickPoint, [mOverflowRightButton frame]))
return mOverflowRightButton;
return nil;
}
// returns the tab at the specified point
-(TabButtonCell*)buttonAtPoint:(NSPoint)clickPoint
{
@ -419,112 +439,160 @@ static const int kOverflowButtonMargin = 1;
return (button) ? [button tabViewItem] : nil;
}
// sets the tab buttons to the largest kMinTabWidth <= size <= kMaxTabWidth where they all fit
// and calculates the frame for each.
-(void)layoutButtons
{
const int numTabs = [mTabView numberOfTabViewItems];
float tabWidth = kMaxTabWidth;
// calculate the largest tabs that would fit... [self tabsRect] may not be correct until mOverflowTabs is set here.
float maxWidth = floor((NSWidth([self bounds]) - (2*kTabBarMargin))/numTabs);
// if tabs will overflow, leave space for the button
if (maxWidth < kMinTabWidth) {
mOverflowTabs = YES;
NSRect tabsRect = [self tabsRect];
for (int i = 1; i < numTabs; i++) {
maxWidth = floor(NSWidth(tabsRect)/(numTabs - i));
if (maxWidth >= kMinTabWidth) break;
}
// because the specific tabs which overflow may change, empty the menu and rebuild it as tabs are laid out
[self initOverflowMenu];
} else {
int numberOfTabs = [mTabView numberOfTabViewItems];
mOverflowTabs = NO;
float widthOfTabBar = NSWidth([self tabsRect]);
float widthOfATab = widthOfTabBar / numberOfTabs;
int xCoord;
if (widthOfATab < kMinTabWidth) {
mOverflowTabs = YES;
widthOfTabBar = NSWidth([self tabsRect]);
mNumberOfVisibleTabs = (int)floor(widthOfTabBar / kMinTabWidth);
if (mNumberOfVisibleTabs + mLeftMostVisibleTabIndex > numberOfTabs) {
[self setLeftMostVisibleTabIndex:(numberOfTabs - mNumberOfVisibleTabs)];
}
// if our tabs are currently larger than that, shrink them to the larger of kMinTabWidth or maxWidth
if (tabWidth > maxWidth)
tabWidth = (maxWidth > kMinTabWidth ? maxWidth : kMinTabWidth);
// resize and position the tab buttons
int xCoord = kTabBarMargin;
NSArray *tabItems = [mTabView tabViewItems];
NSEnumerator *tabEnumerator = [tabItems objectEnumerator];
BrowserTabViewItem *tab = nil;
TabButtonCell *prevTabButton = nil;
while ((tab = [tabEnumerator nextObject])) {
TabButtonCell *tabButtonCell = [tab tabButtonCell];
NSSize buttonSize = [tabButtonCell size];
buttonSize.width = tabWidth;
buttonSize.height = kTabBarDefaultHeight;
NSPoint buttonOrigin = NSMakePoint(xCoord,0);
[tabButtonCell setFrame:NSMakeRect(buttonOrigin.x,buttonOrigin.y,buttonSize.width,buttonSize.height)];
// tell the button whether it needs to draw the right side dividing line
if ([tab tabState] == NSSelectedTab) {
[tabButtonCell setDrawDivider:NO];
[prevTabButton setDrawDivider:NO];
} else {
[tabButtonCell setDrawDivider:YES];
widthOfATab = widthOfTabBar / mNumberOfVisibleTabs;
xCoord = kTabBarMarginWhenOverflowTabs;
[self initOverflow];
}
// If the tab ran off the edge, suppress its close button, make sure the divider is drawn, and add it to the menu
if (buttonOrigin.x + buttonSize.width > NSMaxX([self tabsRect])) {
else {
mLeftMostVisibleTabIndex = 0;
mNumberOfVisibleTabs = numberOfTabs;
widthOfATab = (widthOfATab > kMaxTabWidth ? kMaxTabWidth : widthOfATab);
xCoord = kTabBarMargin;
[mOverflowLeftButton removeFromSuperview];
[mOverflowRightButton removeFromSuperview];
}
// Lay out the tabs, giving off-screen tabs a width of 0.
NSSize buttonSize = NSMakeSize(widthOfATab, kTabBarDefaultHeight);
NSRect overflowTabRect = NSMakeRect(xCoord, 0, 0, 0);
int i = 0;
for (i; i < mLeftMostVisibleTabIndex; i++) {
TabButtonCell *tabButtonCell = [(BrowserTabViewItem*)[mTabView tabViewItemAtIndex:i] tabButtonCell];
[tabButtonCell setFrame:overflowTabRect];
[tabButtonCell hideCloseButton];
// push the tab off the edge of the view to keep it from grabbing clicks if there is an area
// between the overflow menu and the last tab which is within tabsRect due to rounding
[tabButtonCell setFrame:NSMakeRect(NSMaxX([self bounds]),buttonOrigin.y,buttonSize.width,buttonSize.height)];
// if the tab prior to the overflow is not selected, it must draw a divider
if([[prevTabButton tabViewItem] tabState] != NSSelectedTab) [prevTabButton setDrawDivider:YES];
[mOverflowMenu addItem:[tab menuItem]];
[tabButtonCell setDrawDivider:NO];
}
prevTabButton = tabButtonCell;
xCoord += (int)tabWidth;
for (i; i < mLeftMostVisibleTabIndex + mNumberOfVisibleTabs; i++) {
TabButtonCell *tabButtonCell = [(BrowserTabViewItem*)[mTabView tabViewItemAtIndex:i] tabButtonCell];
[tabButtonCell setFrame:NSMakeRect(xCoord, 0, buttonSize.width, buttonSize.height)];
[tabButtonCell setDrawDivider:YES];
xCoord += (int)widthOfATab;
}
// if tabs overflowed, position and display the overflow button
if (mOverflowTabs) {
[mOverflowButton setFrame:NSMakeRect(NSMaxX([self tabsRect]) + kOverflowButtonMargin,
([self tabBarHeight] - kOverflowButtonHeight)/2,kOverflowButtonWidth,kOverflowButtonHeight)];
[self addSubview:mOverflowButton];
} else {
[mOverflowButton removeFromSuperview];
for (i; i < numberOfTabs; i++) {
TabButtonCell *tabButtonCell = [(BrowserTabViewItem*)[mTabView tabViewItemAtIndex:i] tabButtonCell];
[tabButtonCell setFrame:overflowTabRect];
[tabButtonCell hideCloseButton];
[tabButtonCell setDrawDivider:NO];
}
BrowserTabViewItem* selectedTab = (BrowserTabViewItem*)[mTabView selectedTabViewItem];
if (selectedTab) {
[[selectedTab tabButtonCell] setDrawDivider:NO];
int selectedTabIndex = [mTabView indexOfTabViewItem:selectedTab];
if (selectedTabIndex > 0 && [self tabIndexIsVisible:selectedTabIndex])
[[(BrowserTabViewItem*)[mTabView tabViewItemAtIndex:(selectedTabIndex - 1)] tabButtonCell] setDrawDivider:NO];
}
[self setNeedsDisplay:YES];
}
-(void)initOverflowMenu
// Determines whether or not the specified tab index is in the currently visible
// tab bar.
-(BOOL)tabIndexIsVisible:(int)tabIndex
{
if (!mOverflowButton) {
// if it hasn't been created yet, create an NSPopUpButton and retain a strong reference
mOverflowButton = [[NSButton alloc] initWithFrame:NSMakeRect(0, 0, kOverflowButtonWidth, kOverflowButtonHeight)];
[mOverflowButton setImage:[NSImage imageNamed:@"tab_overflow"]];
[mOverflowButton setImagePosition:NSImageOnly];
[mOverflowButton setBezelStyle:NSShadowlessSquareBezelStyle];
[mOverflowButton setBordered:NO];
[[mOverflowButton cell] setHighlightsBy:NSNoCellMask];
[mOverflowButton setTarget:self];
[mOverflowButton setAction:@selector(overflowMenu:)];
[(NSButtonCell *)[mOverflowButton cell] sendActionOn:NSLeftMouseDownMask];
}
if (!mOverflowMenu) {
// create an empty NSMenu for later use and retain a strong reference
mOverflowMenu = [[NSMenu alloc] init];
[mOverflowMenu addItemWithTitle:@"" action:NULL keyEquivalent:@""];
return (mLeftMostVisibleTabIndex <= tabIndex && tabIndex < mNumberOfVisibleTabs + mLeftMostVisibleTabIndex);
}
// remove any items on the menu other than the dummy item
[mOverflowMenu removeItemsFromIndex:1];
// A helper method that returns an NSButton which will allow the sliding of tabs
// when clicked.
-(NSButton*)newScrollButton
{
NSButton* button = [[NSButton alloc] initWithFrame:NSMakeRect(0, 0, kOverflowButtonWidth, kOverflowButtonHeight)];
[button setImagePosition:NSImageOnly];
[button setBezelStyle:NSShadowlessSquareBezelStyle];
[button setButtonType:NSToggleButton];
[button setBordered:NO];
[button setTarget:self];
[[button cell] setContinuous:YES];
[button setPeriodicDelay:0.4 interval:0.15];
return button;
}
- (IBAction)overflowMenu:(id)sender
// Allocate the left scroll button and the right scroll button using a helper
-(void)initOverflow
{
NSPopUpButtonCell* popupCell = [[[NSPopUpButtonCell alloc] initTextCell:@"" pullsDown:YES] autorelease];
[popupCell setMenu:mOverflowMenu];
[popupCell trackMouse:[NSApp currentEvent] inRect:[sender bounds] ofView:sender untilMouseUp:YES];
if (!mOverflowLeftButton) {
mOverflowLeftButton = [self newScrollButton];
[mOverflowLeftButton setImage:[NSImage imageNamed:@"tab_scroll_button_left"]];
[mOverflowLeftButton setAction:@selector(scrollLeft:)];
}
if (!mOverflowRightButton) {
mOverflowRightButton = [self newScrollButton];
[mOverflowRightButton setImage:[NSImage imageNamed:@"tab_scroll_button_right"]];
[mOverflowRightButton setAction:@selector(scrollRight:)];
}
[self drawButtons];
}
-(void)drawButtons {
// Add the overflow buttons to the tab bar view.
[mOverflowLeftButton setFrame:NSMakeRect(0, ([self tabBarHeight] - kOverflowButtonHeight) / 2, kOverflowButtonWidth, kOverflowButtonHeight)];
[mOverflowLeftButton setEnabled:(mLeftMostVisibleTabIndex != 0)];
[self addSubview:mOverflowLeftButton];
[mOverflowRightButton setFrame:NSMakeRect(NSMaxX([self tabsRect]), ([self tabBarHeight] - kOverflowButtonHeight) / 2, kOverflowButtonWidth, kOverflowButtonHeight)];
[mOverflowRightButton setEnabled:(mLeftMostVisibleTabIndex + mNumberOfVisibleTabs != [mTabView numberOfTabViewItems])];
[self addSubview:mOverflowRightButton];
}
// When a user clicks on mOverflowLeftButton this method is called to slide the
// tabs one place to the right, if possible.
-(IBAction)scrollLeft:(id)aSender
{
if (mLeftMostVisibleTabIndex > 0)
[self setLeftMostVisibleTabIndex:(mLeftMostVisibleTabIndex - 1)];
}
// When a user clicks on mOverflowRightButton this method is called to slide the
// tabs one place to the left, if possible.
-(IBAction)scrollRight:(id)aSender
{
if ((mLeftMostVisibleTabIndex + mNumberOfVisibleTabs) < [mTabView numberOfTabViewItems])
[self setLeftMostVisibleTabIndex:(mLeftMostVisibleTabIndex + 1)];
}
// Sets the left most visible tab index depending on the the relationship between
// index and mLeftMostVisibleTabIndex.
-(void)scrollTabIndexToVisible:(int)index
{
if (index < mLeftMostVisibleTabIndex)
[self setLeftMostVisibleTabIndex:index];
else if (index >= mLeftMostVisibleTabIndex + mNumberOfVisibleTabs)
[self setLeftMostVisibleTabIndex:(index - mNumberOfVisibleTabs + 1)];
}
// Sets the left most visible tab index to the value specified and rebuilds the
// tab bar. Should not be called before performing necessary sanity checks.
-(void)setLeftMostVisibleTabIndex:(int)index
{
if (index != mLeftMostVisibleTabIndex) {
mLeftMostVisibleTabIndex = index;
[self rebuildTabBar];
}
}
// returns an NSRect of the area where tab widgets may be drawn
-(NSRect)tabsRect
{
NSRect rect = [self bounds];
NSRect rect = [self frame];
if (mOverflowTabs) {
rect.origin.x += kTabBarMarginWhenOverflowTabs;
rect.size.width -= 2 * kTabBarMarginWhenOverflowTabs;
}
else {
rect.origin.x += kTabBarMargin;
rect.size.width -= 2 * kTabBarMargin + (mOverflowTabs ? kOverflowButtonWidth : 0.0);
rect.size.width -= 2 * kTabBarMargin;
}
return rect;
}

7
camino/src/browser/BrowserTabView.mm
Просмотреть файл

@ -523,4 +523,11 @@ NSString* const kTabBarBackgroundDoubleClickedNotification = @"kTabBarBackground
[self setJumpbackTab:nil];
}
// Tabs should be scrolled into view when selected.
-(void)selectTabViewItem:(NSTabViewItem*)item
{
[mTabBar scrollTabIndexToVisible:[self indexOfTabViewItem:item]];
[super selectTabViewItem:item];
}
@end