GtkColorSelection
GtkColorSelection — Deprecated widget used to select a color
Functions
Properties
guint | current-alpha | Read / Write |
GdkColor * | current-color | Read / Write |
GdkRGBA * | current-rgba | Read / Write |
gboolean | has-opacity-control | Read / Write |
gboolean | has-palette | Read / Write |
Signals
void | color-changed | Run First |
Types and Values
struct | GtkColorSelection |
struct | GtkColorSelectionClass |
Object Hierarchy
GObject ╰── GInitiallyUnowned ╰── GtkWidget ╰── GtkContainer ╰── GtkBox ╰── GtkColorSelection
Implemented Interfaces
GtkColorSelection implements AtkImplementorIface, GtkBuildable and GtkOrientable.
Includes
#include <gtk/gtk.h>
Description
The GtkColorSelection is a widget that is used to select a color. It consists of a color wheel and number of sliders and entry boxes for color parameters such as hue, saturation, value, red, green, blue, and opacity. It is found on the standard color selection dialog box GtkColorSelectionDialog.
Functions
gtk_color_selection_new ()
GtkWidget *
gtk_color_selection_new (void
);
gtk_color_selection_new
is deprecated and should not be used in newly-written code.
Creates a new GtkColorSelection.
Returns
a new GtkColorSelection
gtk_color_selection_set_has_opacity_control ()
void gtk_color_selection_set_has_opacity_control (GtkColorSelection *colorsel
,gboolean has_opacity
);
gtk_color_selection_set_has_opacity_control
is deprecated and should not be used in newly-written code.
Sets the colorsel
to use or not use opacity.
Parameters
colorsel | ||
has_opacity |
|
gtk_color_selection_get_has_opacity_control ()
gboolean
gtk_color_selection_get_has_opacity_control
(GtkColorSelection *colorsel
);
gtk_color_selection_get_has_opacity_control
is deprecated and should not be used in newly-written code.
Determines whether the colorsel has an opacity control.
Parameters
colorsel |
Returns
TRUE
if the colorsel
has an opacity control, FALSE
if it does't
gtk_color_selection_set_has_palette ()
void gtk_color_selection_set_has_palette (GtkColorSelection *colorsel
,gboolean has_palette
);
gtk_color_selection_set_has_palette
is deprecated and should not be used in newly-written code.
Shows and hides the palette based upon the value of has_palette
.
Parameters
colorsel | ||
has_palette |
|
gtk_color_selection_get_has_palette ()
gboolean
gtk_color_selection_get_has_palette (GtkColorSelection *colorsel
);
gtk_color_selection_get_has_palette
is deprecated and should not be used in newly-written code.
Determines whether the color selector has a color palette.
Parameters
colorsel |
Returns
TRUE
if the selector has a palette, FALSE
if it hasn't
gtk_color_selection_get_current_alpha ()
guint16
gtk_color_selection_get_current_alpha (GtkColorSelection *colorsel
);
gtk_color_selection_get_current_alpha
is deprecated and should not be used in newly-written code.
Returns the current alpha value.
Parameters
colorsel |
Returns
an integer between 0 and 65535
gtk_color_selection_set_current_alpha ()
void gtk_color_selection_set_current_alpha (GtkColorSelection *colorsel
,guint16 alpha
);
gtk_color_selection_set_current_alpha
is deprecated and should not be used in newly-written code.
Sets the current opacity to be alpha
.
The first time this is called, it will also set the original opacity to be alpha
too.
Parameters
colorsel | ||
alpha | an integer between 0 and 65535 |
gtk_color_selection_get_current_color ()
void gtk_color_selection_get_current_color (GtkColorSelection *colorsel
,GdkColor *color
);
gtk_color_selection_get_current_color
has been deprecated since version 3.4 and should not be used in newly-written code.
Use gtk_color_selection_get_current_rgba()
instead.
Sets color
to be the current color in the GtkColorSelection widget.
Parameters
colorsel | ||
color | a GdkColor to fill in with the current color. | [out] |
gtk_color_selection_set_current_color ()
void gtk_color_selection_set_current_color (GtkColorSelection *colorsel
,const GdkColor *color
);
gtk_color_selection_set_current_color
has been deprecated since version 3.4 and should not be used in newly-written code.
Use gtk_color_selection_set_current_rgba()
instead.
Sets the current color to be color
.
The first time this is called, it will also set the original color to be color
too.
Parameters
colorsel | ||
color | a GdkColor to set the current color with |
gtk_color_selection_get_previous_alpha ()
guint16
gtk_color_selection_get_previous_alpha
(GtkColorSelection *colorsel
);
gtk_color_selection_get_previous_alpha
is deprecated and should not be used in newly-written code.
Returns the previous alpha value.
Parameters
colorsel |
Returns
an integer between 0 and 65535
gtk_color_selection_set_previous_alpha ()
void gtk_color_selection_set_previous_alpha (GtkColorSelection *colorsel
,guint16 alpha
);
gtk_color_selection_set_previous_alpha
is deprecated and should not be used in newly-written code.
Sets the “previous” alpha to be alpha
.
This function should be called with some hesitations, as it might seem confusing to have that alpha change.
Parameters
colorsel | ||
alpha | an integer between 0 and 65535 |
gtk_color_selection_get_previous_color ()
void gtk_color_selection_get_previous_color (GtkColorSelection *colorsel
,GdkColor *color
);
gtk_color_selection_get_previous_color
has been deprecated since version 3.4 and should not be used in newly-written code.
Use gtk_color_selection_get_previous_rgba()
instead.
Fills color
in with the original color value.
Parameters
colorsel | ||
color | a GdkColor to fill in with the original color value. | [out] |
gtk_color_selection_set_previous_color ()
void gtk_color_selection_set_previous_color (GtkColorSelection *colorsel
,const GdkColor *color
);
gtk_color_selection_set_previous_color
has been deprecated since version 3.4 and should not be used in newly-written code.
Use gtk_color_selection_set_previous_rgba()
instead.
Sets the “previous” color to be color
.
This function should be called with some hesitations, as it might seem confusing to have that color change. Calling gtk_color_selection_set_current_color()
will also set this color the first time it is called.
Parameters
colorsel | ||
color | a GdkColor to set the previous color with |
gtk_color_selection_get_current_rgba ()
void gtk_color_selection_get_current_rgba (GtkColorSelection *colorsel
,GdkRGBA *rgba
);
gtk_color_selection_get_current_rgba
is deprecated and should not be used in newly-written code.
Sets rgba
to be the current color in the GtkColorSelection widget.
Parameters
colorsel | ||
rgba | a GdkRGBA to fill in with the current color. | [out] |
Since: 3.0
gtk_color_selection_set_current_rgba ()
void gtk_color_selection_set_current_rgba (GtkColorSelection *colorsel
,const GdkRGBA *rgba
);
gtk_color_selection_set_current_rgba
is deprecated and should not be used in newly-written code.
Sets the current color to be rgba
.
The first time this is called, it will also set the original color to be rgba
too.
Parameters
colorsel | ||
rgba | A GdkRGBA to set the current color with |
Since: 3.0
gtk_color_selection_get_previous_rgba ()
void gtk_color_selection_get_previous_rgba (GtkColorSelection *colorsel
,GdkRGBA *rgba
);
gtk_color_selection_get_previous_rgba
is deprecated and should not be used in newly-written code.
Fills rgba
in with the original color value.
Parameters
colorsel | ||
rgba | a GdkRGBA to fill in with the original color value. | [out] |
Since: 3.0
gtk_color_selection_set_previous_rgba ()
void gtk_color_selection_set_previous_rgba (GtkColorSelection *colorsel
,const GdkRGBA *rgba
);
gtk_color_selection_set_previous_rgba
is deprecated and should not be used in newly-written code.
Sets the “previous” color to be rgba
.
This function should be called with some hesitations, as it might seem confusing to have that color change. Calling gtk_color_selection_set_current_rgba()
will also set this color the first time it is called.
Parameters
colorsel | ||
rgba | a GdkRGBA to set the previous color with |
Since: 3.0
gtk_color_selection_is_adjusting ()
gboolean
gtk_color_selection_is_adjusting (GtkColorSelection *colorsel
);
gtk_color_selection_is_adjusting
is deprecated and should not be used in newly-written code.
Gets the current state of the colorsel
.
Parameters
colorsel |
Returns
TRUE
if the user is currently dragging a color around, and FALSE
if the selection has stopped
gtk_color_selection_palette_from_string ()
gboolean gtk_color_selection_palette_from_string (const gchar *str
,GdkColor **colors
,gint *n_colors
);
gtk_color_selection_palette_from_string
is deprecated and should not be used in newly-written code.
Parses a color palette string; the string is a colon-separated list of color names readable by gdk_color_parse()
.
Parameters
str | a string encoding a color palette | |
colors | return location for allocated array of GdkColor. | [out][array length=n_colors] |
n_colors | return location for length of array |
Returns
TRUE
if a palette was successfully parsed
gtk_color_selection_palette_to_string ()
gchar * gtk_color_selection_palette_to_string (const GdkColor *colors
,gint n_colors
);
gtk_color_selection_palette_to_string
is deprecated and should not be used in newly-written code.
Encodes a palette as a string, useful for persistent storage.
Parameters
colors | an array of colors. | [array length=n_colors] |
n_colors | length of the array |
Returns
allocated string encoding the palette
GtkColorSelectionChangePaletteFunc ()
void (*GtkColorSelectionChangePaletteFunc) (const GdkColor *colors
,gint n_colors
);
GtkColorSelectionChangePaletteFunc
has been deprecated since version 3.4 and should not be used in newly-written code.
Parameters
colors | Array of colors. | [array length=n_colors] |
n_colors | Number of colors in the array |
gtk_color_selection_set_change_palette_with_screen_hook ()
GtkColorSelectionChangePaletteWithScreenFunc
gtk_color_selection_set_change_palette_with_screen_hook
(GtkColorSelectionChangePaletteWithScreenFunc func
);
gtk_color_selection_set_change_palette_with_screen_hook
is deprecated and should not be used in newly-written code.
Installs a global function to be called whenever the user tries to modify the palette in a color selection.
This function should save the new palette contents, and update the “gtk-color-palette” GtkSettings property so all GtkColorSelection widgets will be modified.
[skip]
Parameters
func | a function to call when the custom palette needs saving |
Returns
the previous change palette hook (that was replaced)
Since: 2.2
GtkColorSelectionChangePaletteWithScreenFunc ()
void (*GtkColorSelectionChangePaletteWithScreenFunc) (GdkScreen *screen
,const GdkColor *colors
,gint n_colors
);
GtkColorSelectionChangePaletteWithScreenFunc
has been deprecated since version 3.4 and should not be used in newly-written code.
Parameters
colors | Array of colors. | [array length=n_colors] |
n_colors | Number of colors in the array |
Since: 2.2
Types and Values
struct GtkColorSelection
struct GtkColorSelection;
struct GtkColorSelectionClass
struct GtkColorSelectionClass { GtkBoxClass parent_class; void (*color_changed) (GtkColorSelection *color_selection); };
Members
|
Property Details
The “current-alpha”
property
“current-alpha” guint
The current opacity value (0 fully transparent, 65535 fully opaque).
Owner: GtkColorSelection
Flags: Read / Write
Allowed values: <= 65535
Default value: 65535
The “current-color”
property
“current-color” GdkColor *
The current GdkColor color.
GtkColorSelection:current-color
has been deprecated since version 3.4 and should not be used in newly-written code.
Use “current-rgba” instead.
Owner: GtkColorSelection
Flags: Read / Write
The “current-rgba”
property
“current-rgba” GdkRGBA *
The current RGBA color.
Owner: GtkColorSelection
Flags: Read / Write
Since: 3.0
The “has-opacity-control”
property
“has-opacity-control” gboolean
Whether the color selector should allow setting opacity.
Owner: GtkColorSelection
Flags: Read / Write
Default value: FALSE
The “has-palette”
property
“has-palette” gboolean
Whether a palette should be used.
Owner: GtkColorSelection
Flags: Read / Write
Default value: FALSE
Signal Details
The “color-changed”
signal
void user_function (GtkColorSelection *colorselection, gpointer user_data)
This signal is emitted when the color changes in the GtkColorSelection according to its update policy.
Parameters
colorselection | the object which received the signal. | |
user_data | user data set when the signal handler was connected. |
Flags: Run First
© 2005–2020 The GNOME Project
Licensed under the GNU Lesser General Public License version 2.1 or later.
https://developer.gnome.org/gtk3/3.24/GtkColorSelection.html