mirror of
https://gitlab.gnome.org/GNOME/gtk.git
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50ab749f4b
2000-02-02 Damon Chaplin <damon@karuna.freeserve.co.uk>
* gdk/tmpl/*.sgml: ran make templates.
* gdk/gdk-docs.sgml: rearranged sections.
* gdk/tmpl/events.sgml: documented.
* gdk/tmpl/general.sgml: documented.
* gdk/tmpl/rgb.sgml: fixed a few '@' -> '#'.
* gdk/gdk-sections.txt: rearranged a few bits, including moving
GdkWChar and related functions from the input method section to the
font section, and GdkCapStyle etc. from Drawing Primitives to GCs.
* gdk/tmpl/images.sgml: documented.
* gdk/tmpl/drawing.sgml: updated.
* gdk/tmpl/regions.sgml: updated.
* gdk/tmpl/input_contexts.sgml: documented.
* gdk/tmpl/input_methods.sgml: documented.
* gdk/tmpl/selections.sgml: changed xref to a link since Jade says
a xref to a RefEntry is not supported.
244 lines
8.1 KiB
Plaintext
244 lines
8.1 KiB
Plaintext
<!-- ##### SECTION Title ##### -->
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Input Contexts
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<!-- ##### SECTION Short_Description ##### -->
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internationalized text input properties.
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<!-- ##### SECTION Long_Description ##### -->
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<para>
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A #GdkIC input context is used for each user interface element which supports
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internationalized text input. See the
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<link linkend="gdk-Input-Methods">Input Methods</link> section for an overview
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of how internationalized text input works in GTK+.
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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 GdkIC ##### -->
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<para>
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The #GdkIC struct is an opaque structure representing an input context
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for use with the global <link linkend="gdk-Input-Methods">Input Method</link>.
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</para>
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<!-- ##### FUNCTION gdk_ic_new ##### -->
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<para>
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Creates a new #GdkIC using the given attributes.
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</para>
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@attr: a #GdkICAttr struct containing attributes to use for the input context.
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@mask: a #GdkICAttributesType mask specifying which of the attributes in @attr
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are set.
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@Returns: a new #GdkIC.
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<!-- ##### FUNCTION gdk_ic_destroy ##### -->
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<para>
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Destroys the input context.
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</para>
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@ic: a #GdkIC.
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<!-- ##### FUNCTION gdk_ic_get_events ##### -->
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<para>
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Returns the mask of events that the input method needs to function properly.
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This is typically called in a widget's realize method after creating the
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#GdkIC. The returned event mask is then combined with the widget's
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own event mask and applied using gdk_window_set_events().
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</para>
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@ic: a #GdkIC.
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@Returns: the mask of events that the input method needs to function
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properly.
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<!-- ##### FUNCTION gdk_ic_get_style ##### -->
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<para>
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Returns the pre-edit and status style of the #GdkIC.
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</para>
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@ic: a #GdkIC.
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@Returns: the pre-edit and status style of the #GdkIC.
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<!-- ##### FUNCTION gdk_ic_get_attr ##### -->
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<para>
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Gets attributes of a #GdkIC.
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</para>
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@ic: a #GdkIC.
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@attr: a #GdkICAttr struct to contain the returned attributes.
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@mask: a #GdkICAttributesType mask specifying which attributes to get.
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@Returns: a #GdkICAttributesType mask specifying which of the attributes
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were not retrieved succesfully.
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<!-- ##### FUNCTION gdk_ic_set_attr ##### -->
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<para>
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Sets attributes of the #GdkIC.
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</para>
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<para>
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Note that the GDK_IC_STYLE and GDK_IC_CLIENT_WINDOW attributes can only be set
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when creating the #GdkIC, and the GDK_IC_FILTER_EVENTS attribute is read-only.
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</para>
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@ic: a #GdkIC.
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@attr: a #GdkICAttr struct containing attributes to use for the input context.
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@mask: a #GdkICAttributesType mask specifying which of the attributes in @attr
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are set.
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@Returns: a #GdkICAttributesType mask indicating which of the attributes
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were not set successfully.
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<!-- ##### STRUCT GdkICAttr ##### -->
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<para>
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The #GdkICAttr struct is used when getting and setting attributes of the
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input context. It is used together with a #GdkICAttributesType mask which
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specifies which of the fields are being set or returned.
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</para>
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@style: the pre-edit and status style. This attribute is required when
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creating the #GdkIC, and cannot be changed.
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@client_window: the #GdkWindow in which the input method will display its
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pre-edit and status areas or create subwindows.
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The preedit_area and status_area attributes are specified relative to this
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window. This attribute is required when creating the #GdkIC, and cannot be
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changed.
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@focus_window: the #GdkWindow which is to be used when editing text.
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gdk_im_begin() sets this attribute before starting the text input process,
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so it is normally not necessary to set it elsewhere.
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@filter_events: the mask of events that the input method requires.
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See the gdk_ic_get_events() function. This attribute is read-only and is
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never changed.
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@spot_location: the position of the insertion cursor, for use with the
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%GDK_IM_PREEDIT_POSITION style. The y coordinate specifies the baseline of
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the text.
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@line_spacing: the line spacing to be used in the pre-edit and status areas
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when displaying multi-line text.
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@cursor: the cursor to use in the input method's windows.
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If this attribute isn't set it is determined by the input method.
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@preedit_fontset: the font to use for the pre-edit area.
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If this attribute isn't set it is determined by the input method.
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@preedit_area: the area in which the input method will display pre-editing
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data, used for the %GDK_IM_PREEDIT_POSITION and %GDK_IM_PREEDIT_AREA styles.
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@preedit_area_needed: the area that the input method requests for displaying
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pre-editing data, used for the %GDK_IM_PREEDIT_POSITION and
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%GDK_IM_PREEDIT_AREA styles.
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@preedit_foreground: the foreground color to use for the pre-edit area.
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This color must already be allocated in the preedit_colormap.
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If this attribute isn't set it is determined by the input method.
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@preedit_background: the background color to use for the pre-edit area.
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This color must already be allocated in the preedit_colormap.
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If this attribute isn't set it is determined by the input method.
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@preedit_pixmap: the background pixmap to use for the pre-edit area.
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If this attribute isn't set it is determined by the input method.
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@preedit_colormap: the colormap the input method should use to allocate colors.
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The default value is the colormap of client_window.
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@status_fontset: the font to use for the status area.
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If this attribute isn't set it is determined by the input method.
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@status_area: the are that the input method will display status information in.
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This is used for the %GDK_IM_STATUS_AREA style.
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@status_area_needed: the size that the input method requests for displaying
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status information, for the %GDK_IM_STATUS_AREA style.
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@status_foreground: the foreground color to use for the status area.
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This color must already be allocated in the status_colormap.
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If this attribute isn't set it is determined by the input method.
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@status_background: the background color to use for the status area.
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This color must already be allocated in the status_colormap.
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If this attribute isn't set it is determined by the input method.
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@status_pixmap: the background pixmap to use for the status area.
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If this attribute isn't set it is determined by the input method.
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@status_colormap: the colormap the input method should use to allocate colors.
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The default value is the colormap of client_window.
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<!-- ##### ENUM GdkICAttributesType ##### -->
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<para>
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The #GdkICAttributesType contains a set of bit-flags which are used to
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specify which of the attributes in a #GdkICAttr are being set or returned.
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</para>
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<para>
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It also contains several combinations of the flags which specify required
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attributes for the various styles:
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<variablelist>
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<varlistentry>
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<term>%GDK_IC_ALL_REQ:</term>
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<listitem><para>
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the set of attributes required for all styles.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>%GDK_IC_PREEDIT_AREA_REQ:</term>
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<listitem><para>
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the set of additional attributes required for the
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%GDK_IM_PREEDIT_AREA pre-edit style.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>%GDK_IC_PREEDIT_POSITION_REQ:</term>
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<listitem><para>
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the set of additional attributes required for the
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%GDK_IM_PREEDIT_POSITION pre-edit style.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>%GDK_IC_STATUS_AREA_REQ:</term>
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<listitem><para>
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the set of additional attributes required for the
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%GDK_IM_STATUS_AREA status style.
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</para></listitem>
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</varlistentry>
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</variablelist>
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</para>
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@GDK_IC_STYLE:
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@GDK_IC_CLIENT_WINDOW:
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@GDK_IC_FOCUS_WINDOW:
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@GDK_IC_FILTER_EVENTS:
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@GDK_IC_SPOT_LOCATION:
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@GDK_IC_LINE_SPACING:
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@GDK_IC_CURSOR:
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@GDK_IC_PREEDIT_FONTSET:
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@GDK_IC_PREEDIT_AREA:
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@GDK_IC_PREEDIT_AREA_NEEDED:
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@GDK_IC_PREEDIT_FOREGROUND:
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@GDK_IC_PREEDIT_BACKGROUND:
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@GDK_IC_PREEDIT_PIXMAP:
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@GDK_IC_PREEDIT_COLORMAP:
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@GDK_IC_STATUS_FONTSET:
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@GDK_IC_STATUS_AREA:
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@GDK_IC_STATUS_AREA_NEEDED:
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@GDK_IC_STATUS_FOREGROUND:
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@GDK_IC_STATUS_BACKGROUND:
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@GDK_IC_STATUS_PIXMAP:
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@GDK_IC_STATUS_COLORMAP:
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@GDK_IC_ALL_REQ:
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@GDK_IC_PREEDIT_AREA_REQ:
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@GDK_IC_PREEDIT_POSITION_REQ:
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@GDK_IC_STATUS_AREA_REQ:
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<!-- ##### FUNCTION gdk_ic_attr_new ##### -->
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<para>
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Creates a new #GdkICAttr struct, with all fields set to 0.
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The #GdkICAttr struct should be freed with gdk_ic_attr_destroy() when no
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longer needed.
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</para>
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@Returns: a new #GdkICAttr struct.
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<!-- ##### FUNCTION gdk_ic_attr_destroy ##### -->
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<para>
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Destroys the given #GdkICAttr struct, freeing the allocated memory.
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</para>
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@attr: a #GdkICAttr struct.
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