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authorLeo Tenenbaum <pommicket@gmail.com>2018-08-20 21:12:06 -0400
committerLeo Tenenbaum <pommicket@gmail.com>2018-08-20 21:12:06 -0400
commit63e87c2d0c9d263f14c77b68f85c67d46ece82a9 (patch)
tree6260365cbf7d24f37d27669e8538227fcb72e243 /gtk+-mingw/share/gtk-doc/html/gtk3/gtk-migrating-theme-GtkStyleContext-engines.html
parenta4460f6d9453bbd7e584937686449cef3e19f052 (diff)
Removed gtk+ docsHEADmaster
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-<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
-<html>
-<head>
-<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
-<title>Migrating theme engines</title>
-<meta name="generator" content="DocBook XSL Stylesheets V1.76.1">
-<link rel="home" href="index.html" title="GTK+ 3 Reference Manual">
-<link rel="up" href="gtk-migrating-GtkStyleContext.html" title="Theming changes">
-<link rel="prev" href="gtk-migrating-GtkStyleContext.html" title="Theming changes">
-<link rel="next" href="gtk-migrating-GtkStyleContext-parser-extensions.html" title="Extending the CSS parser">
-<meta name="generator" content="GTK-Doc V1.18.1 (XML mode)">
-<link rel="stylesheet" href="style.css" type="text/css">
-</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="gtk-migrating-GtkStyleContext.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td>
-<td><a accesskey="u" href="gtk-migrating-GtkStyleContext.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">GTK+ 3 Reference Manual</th>
-<td><a accesskey="n" href="gtk-migrating-GtkStyleContext-parser-extensions.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td>
-</tr></table>
-<div class="section">
-<div class="titlepage"><div><div><h2 class="title" style="clear: both">
-<a name="gtk-migrating-theme-GtkStyleContext-engines"></a>Migrating theme engines</h2></div></div></div>
-<p>
- Migrating a <a class="link" href="GtkStyle.html" title="GtkStyle"><span class="type">GtkStyle</span></a> based engine to a <a class="link" href="GtkThemingEngine.html" title="GtkThemingEngine"><span class="type">GtkThemingEngine</span></a> based one
- should be straightforward for most of the vfuncs. Besides a cleanup
- in the available paint methods and a simplification in the passed
- arguments (in favor of <a class="link" href="GtkStyleContext.html" title="GtkStyleContext"><span class="type">GtkStyleContext</span></a> containing all the information),
- the available render methods resemble those of <a class="link" href="GtkStyle.html" title="GtkStyle"><span class="type">GtkStyle</span></a> quite
- evidently. Notable differences include:
- </p>
-<div class="orderedlist"><ol class="orderedlist" type="1">
-<li class="listitem">
- All variations of <a class="link" href="GtkStyle.html#gtk-paint-box" title="gtk_paint_box ()"><code class="function">gtk_paint_box()</code></a>, <a class="link" href="GtkStyle.html#gtk-paint-flat-box" title="gtk_paint_flat_box ()"><code class="function">gtk_paint_flat_box()</code></a>,
- <a class="link" href="GtkStyle.html#gtk-paint-shadow" title="gtk_paint_shadow ()"><code class="function">gtk_paint_shadow()</code></a>, <a class="link" href="GtkStyle.html#gtk-paint-box-gap" title="gtk_paint_box_gap ()"><code class="function">gtk_paint_box_gap()</code></a> and <a class="link" href="GtkStyle.html#gtk-paint-shadow-gap" title="gtk_paint_shadow_gap ()"><code class="function">gtk_paint_shadow_gap()</code></a>
- are replaced by <a class="link" href="GtkStyleContext.html#gtk-render-background" title="gtk_render_background ()"><code class="function">gtk_render_background()</code></a>, <a class="link" href="GtkStyleContext.html#gtk-render-frame" title="gtk_render_frame ()"><code class="function">gtk_render_frame()</code></a> and
- <a class="link" href="GtkStyleContext.html#gtk-render-frame-gap" title="gtk_render_frame_gap ()"><code class="function">gtk_render_frame_gap()</code></a>. The first function renders frameless
- backgrounds and the last two render frames in various forms.
- </li>
-<li class="listitem">
-<a class="link" href="GtkStyle.html#gtk-paint-resize-grip" title="gtk_paint_resize_grip ()"><code class="function">gtk_paint_resize_grip()</code></a> has been subsumed by <a class="link" href="GtkStyleContext.html#gtk-render-handle" title="gtk_render_handle ()"><code class="function">gtk_render_handle()</code></a>
- with a <a class="link" href="GtkStyleContext.html#GTK-STYLE-CLASS-GRIP:CAPS" title="GTK_STYLE_CLASS_GRIP"><span class="type">GTK_STYLE_CLASS_GRIP</span></a> class set in the style context.
- </li>
-<li class="listitem">
-<a class="link" href="GtkStyle.html#gtk-paint-spinner" title="gtk_paint_spinner ()"><code class="function">gtk_paint_spinner()</code></a> disappears in favor of <a class="link" href="GtkStyleContext.html#gtk-render-activity" title="gtk_render_activity ()"><code class="function">gtk_render_activity()</code></a>
- with a <a class="link" href="GtkStyleContext.html#GTK-STYLE-CLASS-SPINNER:CAPS" title="GTK_STYLE_CLASS_SPINNER"><span class="type">GTK_STYLE_CLASS_SPINNER</span></a> class set in the style context.
- </li>
-</ol></div>
-<p>
- The list of available render methods is:
- </p>
-<table border="0" summary="Simple list" class="simplelist">
-<tr><td>
- <a class="link" href="GtkStyleContext.html#gtk-render-background" title="gtk_render_background ()"><code class="function">gtk_render_background()</code></a>: Renders a widget/area background.
- </td></tr>
-<tr><td>
- <a class="link" href="GtkStyleContext.html#gtk-render-frame" title="gtk_render_frame ()"><code class="function">gtk_render_frame()</code></a>: Renders a frame border around the given rectangle.
- Usually the detail of the border depends on the theme information,
- plus the current widget state.
- </td></tr>
-<tr><td>
- <a class="link" href="GtkStyleContext.html#gtk-render-frame-gap" title="gtk_render_frame_gap ()"><code class="function">gtk_render_frame_gap()</code></a>: Renders a frame border with a gap on one side.
- </td></tr>
-<tr><td>
- <a class="link" href="GtkStyleContext.html#gtk-render-layout" title="gtk_render_layout ()"><code class="function">gtk_render_layout()</code></a>: Renders a <a href="/home/mclasen/gnome/share/gtk-doc/html/pango/pango-Layout-Objects.html#PangoLayout"><span class="type">PangoLayout</span></a>.
- </td></tr>
-<tr><td>
- <a class="link" href="GtkStyleContext.html#gtk-render-handle" title="gtk_render_handle ()"><code class="function">gtk_render_handle()</code></a>: Renders all kind of handles and resize grips,
- depending on the style class.
- </td></tr>
-<tr><td>
- <a class="link" href="GtkStyleContext.html#gtk-render-check" title="gtk_render_check ()"><code class="function">gtk_render_check()</code></a>: Render checkboxes.
- </td></tr>
-<tr><td>
- <a class="link" href="GtkStyleContext.html#gtk-render-option" title="gtk_render_option ()"><code class="function">gtk_render_option()</code></a>: Render radiobuttons.
- </td></tr>
-<tr><td>
- <a class="link" href="GtkStyleContext.html#gtk-render-arrow" title="gtk_render_arrow ()"><code class="function">gtk_render_arrow()</code></a>: Renders an arrow pointing to a direction.
- </td></tr>
-<tr><td>
- <a class="link" href="GtkStyleContext.html#gtk-render-expander" title="gtk_render_expander ()"><code class="function">gtk_render_expander()</code></a>: Renders an expander indicator, such as in
- <a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a>.
- </td></tr>
-<tr><td>
- <a class="link" href="GtkStyleContext.html#gtk-render-focus" title="gtk_render_focus ()"><code class="function">gtk_render_focus()</code></a>: Renders the indication that a widget has the
- keyboard focus.
- </td></tr>
-<tr><td>
- <a class="link" href="GtkStyleContext.html#gtk-render-line" title="gtk_render_line ()"><code class="function">gtk_render_line()</code></a>: Renders a line from one coordinate to another.
- </td></tr>
-<tr><td>
- <a class="link" href="GtkStyleContext.html#gtk-render-slider" title="gtk_render_slider ()"><code class="function">gtk_render_slider()</code></a>: Renders a slider, such as in <a class="link" href="GtkScale.html" title="GtkScale"><span class="type">GtkScale</span></a>.
- </td></tr>
-<tr><td>
- <a class="link" href="GtkStyleContext.html#gtk-render-extension" title="gtk_render_extension ()"><code class="function">gtk_render_extension()</code></a>: Renders an extension that protrudes from
- a UI element, such as a notebook tab.
- </td></tr>
-<tr><td>
- <a class="link" href="GtkStyleContext.html#gtk-render-activity" title="gtk_render_activity ()"><code class="function">gtk_render_activity()</code></a>: Renders an area displaying activity, be it
- a progressbar or a spinner.
- </td></tr>
-<tr><td>
- <a class="link" href="GtkStyleContext.html#gtk-render-icon-pixbuf" title="gtk_render_icon_pixbuf ()"><code class="function">gtk_render_icon_pixbuf()</code></a>: Renders an icon into a <a href="http://library.gnome.org/devel/gdk-pixbuf/unstable/gdk-pixbuf-The-GdkPixbuf-Structure.html#GdkPixbuf"><span class="type">GdkPixbuf</span></a>.
- </td></tr>
-</table>
-<p>
- One of the main differences to <span class="type">GtkStyle-based</span> engines is that the
- rendered widget is totally isolated from the theme engine, all style
- information is meant to be retrieved from the <a class="link" href="GtkThemingEngine.html" title="GtkThemingEngine"><span class="type">GtkThemingEngine</span></a> API,
- or from the <a class="link" href="gtk3-GtkWidgetPath.html#GtkWidgetPath" title="GtkWidgetPath"><span class="type">GtkWidgetPath</span></a> obtained from <a class="link" href="GtkThemingEngine.html#gtk-theming-engine-get-path" title="gtk_theming_engine_get_path ()"><code class="function">gtk_theming_engine_get_path()</code></a>,
- which fully represents the rendered widget's hierarchy from a styling
- point of view.
- </p>
-<p>
- The detail string available in <span class="type">GtkStyle-based</span> engines has been
- replaced by widget regions and style classes. Regions are a way for
- complex widgets to associate different styles with different areas,
- such as even and odd rows in a treeview. Style classes allow sharing
- of style information between widgets, regardless of their type.
- Regions and style classes can be used in style sheets to associate
- styles, and them engines can also access them. There are several
- predefined classes and regions such as <a class="link" href="GtkStyleContext.html#GTK-STYLE-CLASS-BUTTON:CAPS" title="GTK_STYLE_CLASS_BUTTON"><code class="literal">GTK_STYLE_CLASS_BUTTON</code></a> or
- <a class="link" href="GtkStyleContext.html#GTK-STYLE-REGION-TAB:CAPS" title="GTK_STYLE_REGION_TAB"><code class="literal">GTK_STYLE_REGION_TAB</code></a> in <code class="filename">gtkstylecontext.h</code>,
- although custom widgets may define their own, which themes may
- attempt to handle.
- </p>
-</div>
-<div class="footer">
-<hr>
- Generated by GTK-Doc V1.18.1</div>
-</body>
-</html> \ No newline at end of file