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Functions
Object Hierarchy
GObject ╰── GInitiallyUnowned ╰── GtkWidget ╰── GtkContainer ╰── GtkBin ╰── GtkButton ╰── GtkFontButton
Implemented Interfaces
GtkFontButton implements AtkImplementorIface, GtkBuildable, GtkActionable, GtkActivatable and GtkFontChooser.
Description
The GtkFontButton is a button which displays the currently selected font an allows to open a font chooser dialog to change the font. It is suitable widget for selecting a font in a preference dialog.
Functions
gtk_font_button_new ()
GtkWidget *
gtk_font_button_new (void
);
Creates a new font picker widget.
Since 2.4
gtk_font_button_new_with_font ()
GtkWidget *
gtk_font_button_new_with_font (const gchar *fontname
);
Creates a new font picker widget.
Since 2.4
gtk_font_button_set_font_name ()
gboolean gtk_font_button_set_font_name (GtkFontButton *font_button
,const gchar *fontname
);
Sets or updates the currently-displayed font in font picker dialog.
Since 2.4
gtk_font_button_get_font_name ()
const gchar *
gtk_font_button_get_font_name (GtkFontButton *font_button
);
Retrieves the name of the currently selected font. This name includes
style and size information as well. If you want to render something
with the font, use this string with pango_font_description_from_string()
.
If you’re interested in peeking certain values (family name,
style, size, weight) just query these properties from the
PangoFontDescription object.
Since 2.4
gtk_font_button_set_show_style ()
void gtk_font_button_set_show_style (GtkFontButton *font_button
,gboolean show_style
);
If show_style
is TRUE
, the font style will be displayed along with name of the selected font.
Since 2.4
gtk_font_button_get_show_style ()
gboolean
gtk_font_button_get_show_style (GtkFontButton *font_button
);
Returns whether the name of the font style will be shown in the label.
Since 2.4
gtk_font_button_set_show_size ()
void gtk_font_button_set_show_size (GtkFontButton *font_button
,gboolean show_size
);
If show_size
is TRUE
, the font size will be displayed along with the name of the selected font.
Since 2.4
gtk_font_button_get_show_size ()
gboolean
gtk_font_button_get_show_size (GtkFontButton *font_button
);
Returns whether the font size will be shown in the label.
Since 2.4
gtk_font_button_set_use_font ()
void gtk_font_button_set_use_font (GtkFontButton *font_button
,gboolean use_font
);
If use_font
is TRUE
, the font name will be written using the selected font.
Since 2.4
gtk_font_button_get_use_font ()
gboolean
gtk_font_button_get_use_font (GtkFontButton *font_button
);
Returns whether the selected font is used in the label.
Since 2.4
gtk_font_button_set_use_size ()
void gtk_font_button_set_use_size (GtkFontButton *font_button
,gboolean use_size
);
If use_size
is TRUE
, the font name will be written using the selected size.
Since 2.4
gtk_font_button_get_use_size ()
gboolean
gtk_font_button_get_use_size (GtkFontButton *font_button
);
Returns whether the selected size is used in the label.
Since 2.4
gtk_font_button_set_title ()
void gtk_font_button_set_title (GtkFontButton *font_button
,const gchar *title
);
Sets the title for the font chooser dialog.
Since 2.4
gtk_font_button_get_title ()
const gchar *
gtk_font_button_get_title (GtkFontButton *font_button
);
Retrieves the title of the font chooser dialog.
Since 2.4
Property Details
The “font-name”
property
“font-name” gchar *
The name of the currently selected font.
Flags: Read / Write
Default value: "Sans 12"
Since 2.4
The “show-size”
property
“show-size” gboolean
If this property is set to TRUE
, the selected font size will be shown
in the label. For a more WYSIWYG way to show the selected size, see the
::use-size property.
Flags: Read / Write
Default value: TRUE
Since 2.4
The “show-style”
property
“show-style” gboolean
If this property is set to TRUE
, the name of the selected font style
will be shown in the label. For a more WYSIWYG way to show the selected
style, see the ::use-font property.
Flags: Read / Write
Default value: TRUE
Since 2.4
The “title”
property
“title” gchar *
The title of the font chooser dialog.
Flags: Read / Write
Default value: "Pick a Font"
Since 2.4
The “use-font”
property
“use-font” gboolean
If this property is set to TRUE
, the label will be drawn
in the selected font.
Flags: Read / Write
Default value: FALSE
Since 2.4
Signal Details
The “font-set”
signal
void user_function (GtkFontButton *widget, gpointer user_data)
The ::font-set signal is emitted when the user selects a font.
When handling this signal, use gtk_font_button_get_font_name()
to find out which font was just selected.
Note that this signal is only emitted when the user changes the font. If you need to react to programmatic font changes as well, use the notify::font-name signal.
Parameters
widget |
the object which received the signal. |
|
user_data |
user data set when the signal handler was connected. |
Flags: Run First
Since 2.4