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GailMisc

GailMisc — GailMisc is a set of utility functions which may be useful to implementors of Atk interfaces for custom widgets.

Description

GailMisc is a set of utility function which are used in the implemementation of Atk interfaces for GTK+ widgets. They may be useful to implementors of Atk interfaces for custom widgets.

Functions

gail_misc_add_attribute ()

AtkAttributeSet *
gail_misc_add_attribute (AtkAttributeSet *attrib_set,
                         AtkTextAttribute attr,
                         gchar *value);

Creates an AtkAttribute from attr and value , and adds it to attrib_set .

Parameters

attrib_set

The AtkAttributeSet to add the attribute to

 

attr

The AtkTextAttrribute which identifies the attribute to be added

 

value

The attribute value

 

Returns

A pointer to the new AtkAttributeSet.


gail_misc_layout_get_run_attributes ()

AtkAttributeSet *
gail_misc_layout_get_run_attributes (AtkAttributeSet *attrib_set,
                                     PangoLayout *layout,
                                     const gchar *text,
                                     gint offset,
                                     gint *start_offset,
                                     gint *end_offset);

Adds the attributes for the run starting at offset to the specified attribute set.

Parameters

attrib_set

The AtkAttributeSet to add the attribute to

 

layout

The PangoLayout from which the attributes will be obtained

 

text

The text

 

offset

The offset at which the attributes are required

 

start_offset

The start offset of the current run

 

end_offset

The end offset of the current run

 

Returns

A pointer to the AtkAttributeSet.


gail_misc_get_default_attributes ()

AtkAttributeSet *
gail_misc_get_default_attributes (AtkAttributeSet *attrib_set,
                                  PangoLayout *layout,
                                  GtkWidget *widget);

Adds the default attributes to the specified attribute set.

Parameters

attrib_set

The AtkAttributeSet to add the attribute to

 

layout

The PangoLayout from which the attributes will be obtained

 

widget

The GtkWidget for which the default attributes are required.

 

Returns

A pointer to the AtkAttributeSet.


gail_misc_get_extents_from_pango_rectangle ()

void
gail_misc_get_extents_from_pango_rectangle
                               (GtkWidget *widget,
                                PangoRectangle *char_rect,
                                gint x_layout,
                                gint y_layout,
                                gint *x,
                                gint *y,
                                gint *width,
                                gint *height,
                                AtkCoordType coords);

Gets the extents of char_rect in device coordinates, relative to either top-level window or screen coordinates as specified by coords .

Parameters

widget

The widget that contains the PangoLayout, that contains the PangoRectangle

 

char_rect

The PangoRectangle from which to calculate extents

 

x_layout

The x-offset at which the widget displays the PangoLayout that contains the PangoRectangle, relative to widget

 

y_layout

The y-offset at which the widget displays the PangoLayout that contains the PangoRectangle, relative to widget

 

x

The x-position of the PangoRectangle relative to coords

 

y

The y-position of the PangoRectangle relative to coords

 

width

The width of the PangoRectangle

 

height

The height of the PangoRectangle

 

coords

An AtkCoordType enumeration

 

gail_misc_get_index_at_point_in_layout ()

gint
gail_misc_get_index_at_point_in_layout
                               (GtkWidget *widget,
                                PangoLayout *layout,
                                gint x_layout,
                                gint y_layout,
                                gint x,
                                gint y,
                                AtkCoordType coords);

Gets the byte offset at the specified x and y in a PangoLayout.

Parameters

widget

A GtkWidget

 

layout

The PangoLayout from which to get the index at the specified point.

 

x_layout

The x-offset at which the widget displays the PangoLayout, relative to widget

 

y_layout

The y-offset at which the widget displays the PangoLayout, relative to widget

 

x

The x-coordinate relative to coords at which to calculate the index

 

y

The y-coordinate relative to coords at which to calculate the index

 

coords

An AtkCoordType enumeration

 

Returns

the byte offset at the specified x and y in a PangoLayout


gail_misc_get_origins ()

void
gail_misc_get_origins (GtkWidget *widget,
                       gint *x_window,
                       gint *y_window,
                       gint *x_toplevel,
                       gint *y_toplevel);

Gets the origin of the widget window, and the origin of the widgets top-level window.

Parameters

widget

a GtkWidget

 

x_window

the x-origin of the widget->window

 

y_window

the y-origin of the widget->window

 

x_toplevel

the x-origin of the toplevel window for widget->window

 

y_toplevel

the y-origin of the toplevel window for widget->window

 

gail_misc_buffer_get_run_attributes ()

AtkAttributeSet *
gail_misc_buffer_get_run_attributes (GtkTextBuffer *buffer,
                                     gint offset,
                                     gint *start_offset,
                                     gint *end_offset);

Creates an AtkAttributeSet which contains the attributes for the run starting at offset.

Parameters

buffer

The GtkTextBuffer for which the attributes will be obtained

 

offset

The offset at which the attributes are required

 

start_offset

The start offset of the current run

 

end_offset

The end offset of the current run

 

Returns

A pointer to the AtkAttributeSet.

Types and Values

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