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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html> <head> <title> GTK+/Gnome Object Hierarchy </title> <meta name="GENERATOR" content= "Modular DocBook HTML Stylesheet Version 1.45"> <link rel="HOME" title="GTK+ / Gnome Application Development" href="ggad.html"> <link rel="UP" title="Appendices" href="appendices.html"> <link rel="PREVIOUS" title="Appendices" href="appendices.html"> <link rel="NEXT" title="GtkObject" href="z202.html"> </head> <body bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink= "#840084" alink="#0000FF"> <div class="NAVHEADER"> <table width="100%" border="0" bgcolor="#ffffff" cellpadding= "1" cellspacing="0"> <tr> <th colspan="4" align="center"> <font color="#000000" size="2">GTK+ / Gnome Application Development</font> </th> </tr> <tr> <td width="25%" bgcolor="#ffffff" align="left"> <a href="appendices.html"><font color="#0000ff" size= "2"><b><<< Previous</b></font></a> </td> <td width="25%" colspan="2" bgcolor="#ffffff" align= "center"> <font color="#0000ff" size="2"><b><a href="ggad.html"> <font color="#0000ff" size="2"><b> Home</b></font></a></b></font> </td> <td width="25%" bgcolor="#ffffff" align="right"> <a href="z202.html"><font color="#0000ff" size="2"><b> Next >>></b></font></a> </td> </tr> </table> </div> <div class="CHAPTER"> <h1> <a name="HIERARCHY">GTK+/Gnome Object Hierarchy</a> </h1> <div class="TOC"> <dl> <dt> <b>Table of Contents</b> </dt> <dt> <a href="hierarchy.html#Z201">Hierarchy Summary</a> </dt> <dt> <a href="z202.html"><span class="STRUCTNAME"> GtkObject</span></a> </dt> <dt> <a href="z207.html">Widgets</a> </dt> <dt> <a href="z736.html">Canvas Items</a> </dt> <dt> <a href="z781.html">Miscellaneous Objects</a> </dt> </dl> </div> <p> This appendix is a quick tour of the GTK+ and Gnome object hierarchy. It includes <span class="STRUCTNAME"> GtkObject</span> and all subclasses from both libraries, a brief description of each, and the header files the objects are found in. It also includes screen shots of widgets, to help you find the correct widget for a given task. The <tt class="APPLICATION">testgtk</tt> and <tt class= "APPLICATION">test-gnome</tt> programs that come with the GTK+ and Gnome libraries are also a good way to find widgets; many of the screenshots in this appendix are from those programs. </p> <p> The specific header file containing each object is listed; however, all GTK+ header files can be included with the <tt class="FILENAME">gtk/gtk.h</tt> convenience header. All GTK+ and Gnome headers can be included with the <tt class= "FILENAME">gnome.h</tt> header. </p> <p> Some objects are described as "abstract base classes"---this means that only the subclasses of the object can be instantiated, but all of the subclasses can be manipulated through the base class's interface. </p> <p> As a general rule, you should try to use <i class= "EMPHASIS">the most specific object possible</i>. That is, you could use <tt class="CLASSNAME">GtkWindow</tt> for your main application window, but <tt class="CLASSNAME"> GnomeApp</tt> is a better choice; you could roll your own about dialog from <tt class="CLASSNAME">GnomeDialog</tt>, but <tt class="CLASSNAME">GnomeAbout</tt> is a better choice. This maximizes UI consistency and minimizes your effort. </p> <p> Both GTK+ and Gnome come with "test" programs, called <tt class="FILENAME">testgtk</tt> and <tt class="FILENAME"> test-gnome</tt>, respectively. These programs are used to test the widgets and other features in each library. They're also an excellent source of sample code, and a good way to browse the available widgets and find the one you need. </p> <div class="SECT1"> <h1 class="SECT1"> <a name="Z201">Hierarchy Summary</a> </h1> <table border="0" bgcolor="#E0E0E0" width="100%"> <tr> <td><pre class="PROGRAMLISTING"> GtkBin | +GtkButton | +GnomeColorPicker | +GnomeFontPicker | +GnomeHRef | +GtkToggleButton | +GtkOptionMenu </pre> </td> </tr> </table> <p> This would be for GtkButton. The parent of the object (if any) is shown, then the object itself (possibly highlighted or in bold), then the <i class="EMPHASIS"> immediate</i> children of the object, if any. The second element that might be nice: some of the objects are "immature" or "unstable", which is a sort of mild warning suggesting to programmers that they may not want to use the object. It might be nice to have some sort of icon or margin text used to mark those objects. </p> <table border="0" bgcolor="#E0E0E0" width="100%"> <tr> <td><pre class="PROGRAMLISTING"> GtkObject | +GtkWidget | | | +GtkContainer | | | | | +GtkBin | | | | | | | +GtkWindow | | | | | | | | | +GnomeDialog | | | | | | | | | | | +GnomeAbout | | | | | | | | | | | +GnomeMessageBox | | | | | | | | | | | +GnomePropertyBox | | | | | | | | | | | `GnomeScores | | | | | | | | | +GnomeApp | | | | | | | | | +GtkDialog | | | | | | | | | | | +GnomeFontSelector | | | | | | | | | | | `GtkInputDialog | | | | | | | | | +GtkColorSelectionDialog | | | | | | | | | +GtkFileSelection | | | | | | | | | +GtkFontSelectionDialog | | | | | | | | | `GtkPlug | | | | | | | +GtkButton | | | | | | | | | +GnomeColorPicker | | | | | | | | | +GnomeFontPicker | | | | | | | | | +GnomeHRef | | | | | | | | | +GtkToggleButton | | | | | | | | | | | `GtkCheckButton | | | | | | | | | | | `GtkRadioButton | | | | | | | | | `GtkOptionMenu | | | | | | | +GnomeDockItem | | | | | | | +GtkAlignment | | | | | | | +GtkFrame | | | | | | | | | `GtkAspectFrame | | | | | | | +GtkItem | | | | | | | | | +GtkMenuItem | | | | | | | | | | | +GtkCheckMenuItem | | | | | | | | | | | | | `GtkRadioMenuItem | | | | | | | | | | | +GtkPixmapMenuItem | | | | | | | | | | | `GtkTearoffMenuItem | | | | | | | | | +GtkListItem | | | | | | | | | `GtkTreeItem | | | | | | | +GtkEventBox | | | | | | | +GtkHandleBox | | | | | | | +GtkScrolledWindow | | | | | | | `GtkViewport | | | | | +GtkBox | | | | | | | +GtkHBox | | | | | | | | | +GnomeAppBar | | | | | | | | | +GnomeDateEdit | | | | | | | | | +GtkCombo | | | | | | | | | | | `GnomeEntry | | | | | | | | | +GnomeFileEntry | | | | | | | | | +GnomeNumberEntry | | | | | | | | | +GnomeProcBar | | | | | | | | | `GtkStatusbar | | | | | | | +GtkVBox | | | | | | | | | +GnomeCalculator | | | | | | | | | +GnomeGuru | | | | | | | | | +GnomeIconEntry | | | | | | | | | +GnomeIconSelection | | | | | | | | | +GnomeLess | | | | | | | | | +GnomePaperSelector | | | | | | | | | +GnomePixmapEntry | | | | | | | | | +GnomeSpell | | | | | | | | | +GtkColorSelection | | | | | | | | | `GtkGammaCurve | | | | | | | `GtkButtonBox | | | | | | | +GtkHButtonBox | | | | | | | `GtkVButtonBox | | | | | +GtkLayout | | | | | | | `GnomeCanvas | | | | | | | `GnomeIconList | | | | | +GnomeDockBand | | | | | +GnomeDock | | | | | +GtkCList | | | | | | | `GtkCTree | | | | | +GtkFixed | | | | | +GtkNotebook | | | | | | | `GtkFontSelection | | | | | +GtkPaned | | | | | | | +GtkHPaned | | | | | | | `GtkVPaned | | | | | +GtkList | | | | | +GtkMenuShell | | | | | | | +GtkMenuBar | | | | | | | `GtkMenu | | | | | +GtkPacker | | | | | +GtkSocket | | | | | +GtkTable | | | | | | | `GtkTed | | | | | +GtkToolbar | | | | | `GtkTree | | | +GnomeAnimator | | | +GnomePixmap | | | | | `GnomeStock | | | +GtkMisc | | | | | +GtkLabel | | | | | | | +GtkAccelLabel | | | | | | | +GtkClock | | | | | | | `GtkTipsQuery | | | | | +GtkArrow | | | | | +GtkImage | | | | | `GtkPixmap | | | +GtkCalendar | | | +GtkDrawingArea | | | | | `GtkCurve | | | +GtkDial | | | +GtkEditable | | | | | +GtkEntry | | | | | | | `GtkSpinButton | | | | | `GtkText | | | +GtkRuler | | | | | +GtkHRuler | | | | | `GtkVRuler | | | +GtkRange | | | | | +GtkScale | | | | | | | +GtkHScale | | | | | | | `GtkVScale | | | | | `GtkScrollbar | | | | | +GtkHScrollbar | | | | | `GtkVScrollbar | | | +GtkSeparator | | | | | +GtkHSeparator | | | | | `GtkVSeparator | | | +GtkPreview | | | +GtkProgress | | | | | `GtkProgressBar | | | `ZvtTerm | +GnomeCanvasItem | | | +GnomeCanvasRE | | | | | +GnomeCanvasEllipse | | | | | `GnomeCanvasRect | | | +GnomeCanvasGroup | | | +GnomeCanvasImage | | | +GnomeCanvasLine | | | +GnomeCanvasPolygon | | | +GnomeCanvasText | | | +GnomeCanvasWidget | | | `GnomeIconTextItem | +GnomeClient | +GnomeDEntryEdit | +GnomeDockLayout | +GnomeMDIChild | | | `GnomeMDIGenericChild | +GnomeMDI | +GtkData | | | +GtkAdjustment | | | `GtkTooltips | `GtkItemFactory </pre> </td> </tr> </table> </div> </div> <div class="NAVFOOTER"> <br> <br> <table width="100%" border="0" bgcolor="#ffffff" cellpadding= "1" cellspacing="0"> <tr> <td width="25%" bgcolor="#ffffff" align="left"> <a href="appendices.html"><font color="#0000ff" size= "2"><b><<< Previous</b></font></a> </td> <td width="25%" colspan="2" bgcolor="#ffffff" align= "center"> <font color="#0000ff" size="2"><b><a href="ggad.html"> <font color="#0000ff" size="2"><b> Home</b></font></a></b></font> </td> <td width="25%" bgcolor="#ffffff" align="right"> <a href="z202.html"><font color="#0000ff" size="2"><b> Next >>></b></font></a> </td> </tr> <tr> <td colspan="2" align="left"> <font color="#000000" size="2"><b>Appendices</b></font> </td> <td colspan="2" align="right"> <font color="#000000" size="2"><b><span class= "STRUCTNAME">GtkObject</span></b></font> </td> </tr> </table> </div> </body></html>?? 快捷鍵說明
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