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Functions
| GtkWidget * | gtk_color_button_new () |
| GtkWidget * | gtk_color_button_new_with_color () |
| void | gtk_color_button_set_color () |
| void | gtk_color_button_get_color () |
| void | gtk_color_button_set_alpha () |
| guint16 | gtk_color_button_get_alpha () |
| void | gtk_color_button_set_use_alpha () |
| gboolean | gtk_color_button_get_use_alpha () |
| void | gtk_color_button_set_title () |
| const gchar * | gtk_color_button_get_title () |
Object Hierarchy
GObject ╰── GInitiallyUnowned ╰── GtkObject ╰── GtkWidget ╰── GtkContainer ╰── GtkBin ╰── GtkButton ╰── GtkColorButton
Implemented Interfaces
GtkColorButton implements AtkImplementorIface, GtkBuildable and GtkActivatable.
Description
The GtkColorButton is a button which displays the currently selected color an allows to open a color selection dialog to change the color. It is suitable widget for selecting a color in a preference dialog.
Functions
gtk_color_button_new ()
GtkWidget *
gtk_color_button_new (void);
Creates a new color button. This returns a widget in the form of a small button containing a swatch representing the current selected color. When the button is clicked, a color-selection dialog will open, allowing the user to select a color. The swatch will be updated to reflect the new color when the user finishes.
Since 2.4
gtk_color_button_new_with_color ()
GtkWidget *
gtk_color_button_new_with_color (const GdkColor *color);
Creates a new color button.
Since 2.4
gtk_color_button_set_color ()
void gtk_color_button_set_color (GtkColorButton *color_button,const GdkColor *color);
Sets the current color to be color
.
Since 2.4
gtk_color_button_get_color ()
void gtk_color_button_get_color (GtkColorButton *color_button,GdkColor *color);
Sets color
to be the current color in the GtkColorButton widget.
Since 2.4
gtk_color_button_set_alpha ()
void gtk_color_button_set_alpha (GtkColorButton *color_button,guint16 alpha);
Sets the current opacity to be alpha
.
Since 2.4
gtk_color_button_get_alpha ()
guint16
gtk_color_button_get_alpha (GtkColorButton *color_button);
Returns the current alpha value.
Since 2.4
gtk_color_button_set_use_alpha ()
void gtk_color_button_set_use_alpha (GtkColorButton *color_button,gboolean use_alpha);
Sets whether or not the color button should use the alpha channel.
Since 2.4
gtk_color_button_get_use_alpha ()
gboolean
gtk_color_button_get_use_alpha (GtkColorButton *color_button);
Does the color selection dialog use the alpha channel?
Since 2.4
gtk_color_button_set_title ()
void gtk_color_button_set_title (GtkColorButton *color_button,const gchar *title);
Sets the title for the color selection dialog.
Since 2.4
gtk_color_button_get_title ()
const gchar *
gtk_color_button_get_title (GtkColorButton *color_button);
Gets the title of the color selection dialog.
Since 2.4
Property Details
The “alpha” property
“alpha” guint
The selected opacity value (0 fully transparent, 65535 fully opaque).
Flags: Read / Write
Allowed values: <= 65535
Default value: 65535
Since 2.4
The “title” property
“title” gchar *
The title of the color selection dialog
Flags: Read / Write
Default value: "Pick a Color"
Since 2.4
Signal Details
The “color-set” signal
void user_function (GtkColorButton *widget, gpointer user_data)
The ::color-set signal is emitted when the user selects a color.
When handling this signal, use gtk_color_button_get_color() and
gtk_color_button_get_alpha() to find out which color was just selected.
Note that this signal is only emitted when the user changes the color. If you need to react to programmatic color changes as well, use the notify::color 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