forked from AuroraMiddleware/gtk
b56118cf13
Wed Nov 21 15:57:29 2001 Owen Taylor <otaylor@redhat.com>
* gtk/gtk-sections.txt: Updates
* gtk/tmpl/gtkstock.sgml: Close end tags.
* gtk/gtk.types: Remove interface types which gtk-doc
can't handle currently.
* gtk/tmpl/gtknotebook.sgml: Fix some garbage in file.
* gdk/tmpl/x_interaction.sgml: Fix SGML errors.
* gdk/gdk-overrides.txt gdk/gdk-sections.txt: Updates.
169 lines
4.1 KiB
Plaintext
169 lines
4.1 KiB
Plaintext
<!-- ##### SECTION Title ##### -->
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GtkFixed
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<!-- ##### SECTION Short_Description ##### -->
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a container which allows you to position widgets at fixed coordinates
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<!-- ##### SECTION Long_Description ##### -->
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<para>
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The #GtkFixed widget is a container which can place child widgets at fixed
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positions and with fixed sizes, given in pixels. #GtkFixed performs no
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automatic layout management.
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</para>
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<para>
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For most applications, you should not use this container! It keeps
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you from having to learn about the other GTK+ containers, but it
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results in broken applications.
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With #GtkFixed, the following things will result in truncated text,
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overlapping widgets, and other display bugs:
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<itemizedlist>
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<listitem>
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<para>Themes, which may change widget sizes.
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</para>
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</listitem>
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<listitem>
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<para>Fonts other than the one you used to write the app will of
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course change the size of widgets containing text; keep in mind that
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users may use a larger font because of difficulty reading the default,
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or they may be using Windows or the framebuffer port of GTK+, where
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different fonts are available.
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</para>
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</listitem>
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<listitem>
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<para>
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Translation of text into other languages changes its size. Also,
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display of non-English text will use a different font in many cases.
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</para>
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</listitem>
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</itemizedlist>
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</para>
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<para>
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In addition, the fixed widget can't properly be mirrored in
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right-to-left languages such as Hebrew and Arabic. i.e. normally GTK+
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will flip the interface to put labels to the right of the thing they
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label, but it can't do that with #GtkFixed. So your application will
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not be usable in right-to-left languages.
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</para>
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<para>
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Finally, fixed positioning makes it kind of annoying to add/remove GUI
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elements, since you have to reposition all the other elements. This is
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a long-term maintenance problem for your application.
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</para>
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<para>
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If you know none of these things are an issue for your application,
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and prefer the simplicity of #GtkFixed, by all means use the
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widget. But you should be aware of the tradeoffs.
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</para>
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<!-- ##### SECTION See_Also ##### -->
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<para>
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</para>
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<!-- ##### STRUCT GtkFixed ##### -->
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<para>
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The #GtkFixed-struct struct contains the following fields.
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(These fields should be considered read-only. They should never be set by
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an application.)
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<informaltable pgwide=1 frame="none" role="struct">
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<tgroup cols="2"><colspec colwidth="2*"><colspec colwidth="8*">
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<tbody>
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<row>
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<entry>#GList *children;</entry>
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<entry>a list of #GtkFixedChild elements, containing the child widgets and
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their positions.</entry>
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</row>
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</tbody></tgroup></informaltable>
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</para>
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<!-- ##### STRUCT GtkFixedChild ##### -->
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<para>
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The #GtkFixedChild-struct struct contains the following fields.
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(These fields should be considered read-only. They should never be set by
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an application.)
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<informaltable pgwide=1 frame="none" role="struct">
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<tgroup cols="2"><colspec colwidth="2*"><colspec colwidth="8*">
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<tbody>
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<row>
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<entry>#GtkWidget *widget;</entry>
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<entry>the child #GtkWidget.</entry>
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</row>
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<row>
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<entry>#gint16 x;</entry>
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<entry>the horizontal position of the widget within the #GtkFixed
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container.</entry>
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</row>
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<row>
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<entry>#gint16 y;</entry>
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<entry>the vertical position of the widget within the #GtkFixed
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container.</entry>
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</row>
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</tbody></tgroup></informaltable>
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</para>
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@widget:
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@x:
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@y:
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<!-- ##### FUNCTION gtk_fixed_new ##### -->
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<para>
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Creates a new #GtkFixed.
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</para>
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@Returns: a new #GtkFixed.
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<!-- ##### FUNCTION gtk_fixed_put ##### -->
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<para>
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Adds a widget to a #GtkFixed container at the given position.
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</para>
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@fixed: a #GtkFixed.
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@widget: the widget to add.
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@x: the horizontal position to place the widget at.
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@y: the vertical position to place the widget at.
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<!-- ##### FUNCTION gtk_fixed_move ##### -->
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<para>
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Moves a child of a #GtkFixed container to the given position.
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</para>
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@fixed: a #GtkFixed.
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@widget: the child widget.
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@x: the horizontal position to move the widget to.
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@y: the vertical position to move the widget to.
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<!-- ##### FUNCTION gtk_fixed_get_has_window ##### -->
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<para>
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</para>
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@fixed:
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@Returns:
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<!-- ##### FUNCTION gtk_fixed_set_has_window ##### -->
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<para>
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</para>
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@fixed:
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@has_window:
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