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| author | Bruno Coudoin <bcoudoin@src.gnome.org> | 2007-05-24 20:49:36 (GMT) |
|---|---|---|
| committer | Bruno Coudoin <bcoudoin@src.gnome.org> | 2007-05-24 20:49:36 (GMT) |
| commit | eb9b606a58d931052b78cdf37fb343468c1a41fc (patch) | |
| tree | 8fbdbf510a1a8708aeb5f06e76b67e83ddec2f86 /libccc/0.0.4/doc/reference/html/ccc-Focus-Handling.html | |
| parent | e8e96543da66584fb1e5f6e3ebf92c5ab39d9700 (diff) | |
tagging libccc-0.0.4
svn path=/tags/git-migration-vendor/; revision=2668
Diffstat (limited to 'libccc/0.0.4/doc/reference/html/ccc-Focus-Handling.html')
| -rw-r--r-- | libccc/0.0.4/doc/reference/html/ccc-Focus-Handling.html | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/libccc/0.0.4/doc/reference/html/ccc-Focus-Handling.html b/libccc/0.0.4/doc/reference/html/ccc-Focus-Handling.html new file mode 100644 index 0000000..cdea5bb --- /dev/null +++ b/libccc/0.0.4/doc/reference/html/ccc-Focus-Handling.html @@ -0,0 +1,79 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> +<title>Focus Handling</title> +<meta name="generator" content="DocBook XSL Stylesheets V1.71.0"> +<link rel="start" href="index.html" title="libccc Reference Manual"> +<link rel="up" href="ccc-Internals.html" title="Part II. Internals"> +<link rel="prev" href="ccc-Event-Handling.html" title="Event Handling"> +<link rel="next" href="ccc-Focus-Handling-The-focus-Signal.html" title="The focus signal"> +<meta name="generator" content="GTK-Doc V1.8 (XML mode)"> +<link rel="stylesheet" href="style.css" type="text/css"> +<link rel="part" href="ccc-Working-with-the-Canvas.html" title="Part I. Working with the Canvas"> +<link rel="chapter" href="ccc-Known-Bugs.html" title="Known Bugs"> +<link rel="chapter" href="ccc-Writing-custom-canvas-items.html" title="Writing custom canvas items"> +<link rel="part" href="ccc-Internals.html" title="Part II. Internals"> +<link rel="chapter" href="ccc-Bounds-Handling.html" title="Bounds Handling"> +<link rel="chapter" href="ccc-Event-Handling.html" title="Event Handling"> +<link rel="chapter" href="ccc-Focus-Handling.html" title="Focus Handling"> +<link rel="chapter" href="ccc-Zoom-and-Scroll.html" title="Zooming and Scrolling"> +<link rel="chapter" href="ccc-Known-Bugs.html" title="Known Bugs"> +<link rel="part" href="ccc-API-Reference.html" title="Part III. API Reference"> +<link rel="chapter" href="ccc-Object-Hierarchy.html" title="Object Hierarchy"> +<link rel="chapter" href="ccc-Fundamentals.html" title="Fundamentals"> +<link rel="chapter" href="ccc-Canvas-Items.html" title="Canvas Items"> +<link rel="chapter" href="ccc-View-Elements.html" title="View Elements"> +</head> +<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> +<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"><tr valign="middle"> +<td><a accesskey="p" href="ccc-Event-Handling.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td> +<td><a accesskey="u" href="ccc-Internals.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td> +<td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td> +<th width="100%" align="center">libccc Reference Manual</th> +<td><a accesskey="n" href="ccc-Focus-Handling-The-focus-Signal.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td> +</tr></table> +<div class="chapter" lang="en"> +<div class="titlepage"><div><div><h2 class="title"> +<a name="ccc-Focus-Handling"></a>Focus Handling</h2></div></div></div> +<div class="toc"><dl> +<dt><span class="sect1"><a href="ccc-Focus-Handling.html#ccc-Focus-Handling-Introduction">Introduction</a></span></dt> +<dt><span class="sect1"><a href="ccc-Focus-Handling-The-focus-Signal.html">The focus signal</a></span></dt> +<dd><dl> +<dt><span class="sect2"><a href="ccc-Focus-Handling-The-focus-Signal.html#ccc-Focus-handling-The-Beginning">The Beginning</a></span></dt> +<dt><span class="sect2"><a href="ccc-Focus-Handling-The-focus-Signal.html#ccc-Focus-Handling-The-Sequel">The Sequel</a></span></dt> +<dt><span class="sect2"><a href="ccc-Focus-Handling-The-focus-Signal.html#ccc-Focus-Handling-The-Final">The Final</a></span></dt> +</dl></dd> +</dl></div> +<p> + This chapter describes the implementation of focus handling in the canvas, + which is used for the criawips presentation application. + </p> +<div class="sect1" lang="en"> +<div class="titlepage"><div><div><h2 class="title" style="clear: both"> +<a name="ccc-Focus-Handling-Introduction"></a>Introduction</h2></div></div></div> +<p> + The focus is a meta-information, which is correctly called 'the focused + item'. The focused item is the one which receives keyboard events. The + focus can be moved by using the keys up, down, left, right, tab and + shift-tab (usually also available with ctrl if the keys are used for + other things - like text editing). + </p> +<p> + The focus is view-dependent, there may even be views (like the tree or + pixbuf renderers) which don't have a focus at all. This make the focus + implementation slightly harder than GnomeCanvas' focus handling has been. + </p> +<p> + The focus list (which is the list starting with the focused item and then + mentioning all its parents up to the root of the view - which might not + always be the root of the model) is very important as we need to know + which items already were focused and which were not. As we cannot store + the focused elements in the model - which was possible with the + GnomeCanvas - we need to store it in the view. So the view needs to take + care about the focus list. + </p> +</div> +</div> +</body> +</html> |