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GOPalette

GOPalette

Signals

void activate Run Last
void automatic-activate Run Last
void custom-activate Run Last

Types and Values

struct GOPalette

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GtkWidget
            ╰── GtkContainer
                ╰── GtkMenuShell
                    ╰── GtkMenu
                        ╰── GOPalette

Implemented Interfaces

GOPalette implements AtkImplementorIface and GtkBuildable.

Description

Functions

GOPaletteSwatchRenderCallback ()

void
(*GOPaletteSwatchRenderCallback) (cairo_t *cr,
                                  GdkRectangle const *area,
                                  int index,
                                  gpointer data);


GOPaletteSwatchTooltipCallback ()

const char *
(*GOPaletteSwatchTooltipCallback) (int index,
                                   gpointer data);

Returns


go_palette_get_n_swatches ()

int
go_palette_get_n_swatches (GOPalette *palette);

A convenience function.

Parameters

palette

a GOPalette

 

Returns

the number of palette items.


go_palette_get_user_data ()

gpointer
go_palette_get_user_data (GOPalette *palette);

Parameters

palette

a GOPalette

 

Returns

a pointer to user data given to go_palette_new function.

[transfer none]


go_palette_new ()

GtkWidget *
go_palette_new (int n_swatches,
                double swatch_width,
                int n_columns,
                GOPaletteSwatchRenderCallback swatch_render,
                GOPaletteSwatchTooltipCallback get_tooltip,
                gpointer data,
                GDestroyNotify destroy);

Parameters

n_swatches

number of palette items

 

swatch_width

swatch width as multiple of swatch height

 

n_columns

number of columns for displaying palette items

 

swatch_render

a user function used for swatch rendering.

[scope notified]

data

user data for use by swatch render function

 

destroy

a function to destroy user data on widget finalization.

[scope async]

Returns

a new GOPalette object.


go_palette_show_automatic ()

void
go_palette_show_automatic (GOPalette *palette,
                           int index,
                           char const *label);

Adds an automatic button to palette .

Parameters

palette

a GOPalette

 

index

index to use on automatic item activation

 

label

if not NULL, replace automatic button label

 

go_palette_show_custom ()

void
go_palette_show_custom (GOPalette *palette,
                        char const *label);

Adds a custom button to bottom of palette . An activation of custom button will cause an emition of "custom_activate" signal.

Parameters

palette

a GOPalette

 

label

if not NULL, replaces custom button label

 

go_palette_swatch_new ()

GtkWidget *
go_palette_swatch_new (GOPalette *palette,
                       int index);

Parameters

palette

a GOPalette

 

index

default index

 

Returns

a new GtkDrawingArea which will be rendered like a palette swatch. index can be changed later by changing swatch "index" data.

[transfer full]

Types and Values

struct GOPalette

struct GOPalette;

Signal Details

The “activate” signal

void
user_function (GOPalette *gopalette,
               gint       arg1,
               gpointer   user_data)

Parameters

gopalette

the object which received the signal.

 

user_data

user data set when the signal handler was connected.

 

Flags: Run Last


The “automatic-activate” signal

void
user_function (GOPalette *gopalette,
               gint       arg1,
               gpointer   user_data)

Parameters

gopalette

the object which received the signal.

 

user_data

user data set when the signal handler was connected.

 

Flags: Run Last


The “custom-activate” signal

void
user_function (GOPalette *gopalette,
               gpointer   user_data)

Parameters

gopalette

the object which received the signal.

 

user_data

user data set when the signal handler was connected.

 

Flags: Run Last

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