Difference between revisions of "AppKit"

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The GNUstep GUI Library is a library of objects useful for writing graphical applications. For example, it includes classes for drawing and manipulating graphics objects on the screen: windows, menus, buttons, sliders, text fields, and events. There are also many peripheral classes that offer operating-system-independent interfaces to images, cursors, colors, fonts, pasteboards, printing. There are also workspace support classes such as data links, open/save panels, context-dependent help, spell checking.
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{{Dynamic List}}
  
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It provides functionality that aims to implement the `AppKit' portion of the [[OpenStep]] standard. However the implementation has been written to take advantage of GNUstep enhancements wherever possible.
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The GNUstep GUI Library is a library of objects useful for writing graphical applications. For example, it includes classes for drawing and manipulating graphics objects on the screen: [[NSWindow|windows]], [[NSMenu|menus]], [[NSButton|buttons]], [[NSSlider|sliders]], [[NSTextField|text fields]], and [[NSEvent|events]]. There are also many classes that offer operating-system-independent interfaces to [[NSImage|images]], [[NSCursor|cursors]], [[NSColor|colors]], [[NSFont|fonts]], [[NSPasteboard|pasteboards]], printing. There are also workspace support classes such as data links, open/save panels, context-dependent help, spell checking.
  
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The GNUstep GUI Library is divided into a front and back-end. The front-end contains the majority of implementation, but leaves out the low-level drawing and event code. Different back-ends will make GNUstep available on various platforms. The default GNU back-end currently runs on top of the X Window System and uses only Xlib calls for graphics. Another backend uses a Display Postscript Server for graphics. Much work will be saved by this clean separation between front and back-end, because it allows different platforms to share the large amount of front-end code. Documentation for how the individual backends work is coverered in a separate document.
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It provides functionality that aims to implement the `AppKit' portion of the [[Cocoa]] API (formerly [[OpenStep]] standard) however the implementation has been written to take advantage of GNUstep enhancements wherever possible.
 +
 
 +
The GNUstep GUI Library is divided into a front and back-end. The front-end contains the majority of the implementation, but leaves out the low-level drawing and event code. Different back-ends will make GNUstep available on various platforms. The default GNU back-end currently runs on top of the X Window System and uses only Xlib calls for graphics. Another backend uses a Display Postscript Server for graphics. Much work will be saved by this clean separation between front and back-end, because it allows different platforms to share the large amount of front-end code. Documentation for how the individual backends work is covered in a separate document.
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You can find the automatically generated API documentation [http://www.gnustep.org/resources/documentation/Developer/Gui/Reference/index.html here].
 +
 
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== Features ==
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* User interface elements: table views, browsers, matrices, scroll views, ...
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* Graphics: WYSIWYG, Postscript-like graphics, Bezier paths, image handling with multiple representations, graphical contexts
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* [[Color|Color management]]: calibrated vs. device colors, CMYK, RGB, HSB, gray and named color representations, alpha transparency
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* [[Text]] system features: rich text format, text attachments, layout manager, typesetter, rules, paragraph styles, font management, [[Spell checking|spell checking]]
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* [[Document architecture|Document management]]
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* [[Printing|Printing features]]: print operations, print panel and page layout
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* Help manager
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* [[Pasteboard|Pasteboard]] (a.k.a. clip board) services
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* [[Spelling|Spell checker]]
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* [[Workspace|Workspace]] bindings for applications
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* [[Drag and drop]] operations
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* [[Service|Services]] shared among applications
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* [[XIB]] WYSIWIG GUI definition language – To be implemented
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== Notes and Snippets ==
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{| border="0" cellpadding="2"
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! Class Reference        !! Protocol Reference
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|-
 +
|
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* [[NSActionCell]]
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* [[NSAffineTransform]]
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* [[NSAlert]]
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* [[NSApplication]]
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* [[NSBezierPath]]
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* [[NSBitmapImageRep]]
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* [[NSBox]]
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* [[NSBrowser]]
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* [[NSBrowserCell]]
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* [[NSButton]]
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* [[NSButtonCell]]
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* [[NSCachedImageRep]]
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* [[NSCell]]
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* [[NSClipView]]
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* [[NSColor]]
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* [[NSColorList]]
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* [[NSColorPanel]]
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* [[NSColorPicker]]
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* [[NSColorWell]]
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* [[NSComboBox]]
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* [[NSComboBoxCell]]
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* [[NSControl]]
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* [[NSCursor]]
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* [[NSCustomImageRep]]
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* [[NSDataLink]]
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* [[NSDataLinkManager]]
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* [[NSDataLinkPanel]]
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* [[NSDocument]]
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* [[NSDocumentController]]
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* [[NSDrawer]]
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* [[NSDrawerDelegate]]
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* [[NSEPSImageRep]]
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* [[NSEvent]]
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* [[NSFileWrapper]]
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* [[NSFont]]
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* [[NSFontManager]]
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* [[NSFontPanel]]
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* [[NSForm]]
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* [[NSFormCell]]
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* [[NSGraphicsContext]]
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* [[NSHelpManager]]
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* [[NSHelpPanel]]
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* [[NSImage]]
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* [[NSImageCell]]
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* [[NSImageRep]]
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* [[NSImageView]]
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* [[NSInputManager]]
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* [[NSInputServer]]
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* [[NSLayoutManager]]
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* [[NSMatrix]]
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* [[NSMenu]]
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* [[NSMenuItem]]
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* [[NSMenuItemCell]]
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* [[NSMenuView]]
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* [[NSMovie]]
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* [[NSMovieView]]
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* [[NSMutableParagraphStyle]]
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* [[NSNib]]
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* [[NSNibConnector]]
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* [[NSNibControlConnector]]
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* [[NSNibOutletConnector]]
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* [[NSOpenGLContext]]
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* [[NSOpenGLPixelFormat]]
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* [[NSOpenGLView]]
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* [[NSOpenPanel]]
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* [[NSOutlineView]]
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* [[NSPageLayout]]
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* [[NSPanel]]
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* [[NSParagraphStyle]]
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* [[NSPasteboard]]
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* [[NSPopUpButton]]
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* [[NSPopUpButtonCell]]
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* [[NSPrintInfo]]
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* [[NSPrintOperation]]
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* [[NSPrintPanel]]
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* [[NSPrinter]]
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* [[NSProgressIndicator]]
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* [[NSResponder]]
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* [[NSRulerMarker]]
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* [[NSRulerView]]
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* [[NSSavePanel]]
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* [[NSScreen]]
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* [[NSScrollView]]
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* [[NSScroller]]
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* [[NSSearchField]]
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* [[NSSearchFieldCell]]
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* [[NSSecureTextField]]
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* [[NSSecureTextFieldCell]]
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* [[NSSelection]]
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* [[NSSlider]]
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* [[NSSliderCell]]
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* [[NSSound]]
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* [[NSSpellChecker]]
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* [[NSSpellServer]]
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* [[NSSplitView]]
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* [[NSStepper]]
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* [[NSStepperCell]]
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* [[NSTabView]]
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* [[NSTabViewItem]]
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* [[NSTableColumn]]
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* [[NSTableHeaderCell]]
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* [[NSTableHeaderView]]
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* [[NSTableView]]
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* [[NSText]]
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* [[NSTextAttachment]]
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* [[NSTextAttachmentCell]]
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* [[NSTextContainer]]
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* [[NSTextField]]
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* [[NSTextFieldCell]]
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* [[NSTextStorage]]
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* [[NSTextTab]]
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* [[NSTextView]]
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* [[NSToolbar]]
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* [[NSToolbarItem]]
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* [[NSView]]
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* [[NSWindow]]
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* [[NSWindowController]]
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* [[NSWorkspace]]
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| valign="top" |
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* [[NSChangeSpelling]]
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* [[NSColorPickingCustom]]
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* [[NSColorPickingDefault]]
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* [[NSDraggingInfo]]
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* [[NSIgnoreMisspelledWords]]
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* [[NSInputServerMouseTracker]]
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* [[NSInputServiceProvider]]
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* [[NSMenuItem]]
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* [[NSMenuValidation]]
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* [[NSMenuView]]
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* [[NSTextAttachmentCell]]
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* [[NSTextInput]]
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* [[NSUserInterfaceValidations]]
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* [[NSValidatedUserInterfaceItem]]
 +
 
 +
|}
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 +
 
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[[Category:Frameworks]]

Latest revision as of 20:20, 19 September 2012

Dynamic List
This is a list which is constantly changing and may never be considered complete.

The GNUstep GUI Library is a library of objects useful for writing graphical applications. For example, it includes classes for drawing and manipulating graphics objects on the screen: windows, menus, buttons, sliders, text fields, and events. There are also many classes that offer operating-system-independent interfaces to images, cursors, colors, fonts, pasteboards, printing. There are also workspace support classes such as data links, open/save panels, context-dependent help, spell checking.

It provides functionality that aims to implement the `AppKit' portion of the Cocoa API (formerly OpenStep standard) however the implementation has been written to take advantage of GNUstep enhancements wherever possible.

The GNUstep GUI Library is divided into a front and back-end. The front-end contains the majority of the implementation, but leaves out the low-level drawing and event code. Different back-ends will make GNUstep available on various platforms. The default GNU back-end currently runs on top of the X Window System and uses only Xlib calls for graphics. Another backend uses a Display Postscript Server for graphics. Much work will be saved by this clean separation between front and back-end, because it allows different platforms to share the large amount of front-end code. Documentation for how the individual backends work is covered in a separate document.

You can find the automatically generated API documentation here.

Features

  • User interface elements: table views, browsers, matrices, scroll views, ...
  • Graphics: WYSIWYG, Postscript-like graphics, Bezier paths, image handling with multiple representations, graphical contexts
  • Color management: calibrated vs. device colors, CMYK, RGB, HSB, gray and named color representations, alpha transparency
  • Text system features: rich text format, text attachments, layout manager, typesetter, rules, paragraph styles, font management, spell checking
  • Document management
  • Printing features: print operations, print panel and page layout
  • Help manager
  • Pasteboard (a.k.a. clip board) services
  • Spell checker
  • Workspace bindings for applications
  • Drag and drop operations
  • Services shared among applications
  • XIB WYSIWIG GUI definition language – To be implemented

Notes and Snippets

Class Reference Protocol Reference
Retrieved from "https://mediawiki.gnustep.org/index.php?title=AppKit&oldid=6449"