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Initial cut at implementing a new color chooser

Browse Source 
This is a partial implementation of
https://live.gnome.org/GnomeOS/Design/Whiteboards/ColorSelection
The new color editor has not been implemented yet.
This commit is contained in:
Matthias Clasen 2012-01-29 10:42:34 -05:00
parent e2bde55277
commit 3b6e316e74
13 changed files with 1975 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
gtk/Makefile.am
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@ -217,6 +217,9 @@ gtk_public_h_sources = \
gtkcolorbutton.h \
gtkcolorsel.h \
gtkcolorseldialog.h \
gtkcolorchooser.h \
gtkcolorchooserwidget.h \
gtkcolorchooserdialog.h \
gtkcombobox.h \
gtkcomboboxtext.h \
gtkcontainer.h \
@ -410,6 +413,9 @@ gtk_private_h_sources = \
gtkbuilderprivate.h \
gtkbuttonprivate.h \
gtkcellareaboxcontextprivate.h \
gtkcolorswatch.h \
gtkcoloreditor.h \
gtkcolorchooserprivate.h \
gtkcontainerprivate.h \
gtkcsscomputedvaluesprivate.h \
gtkcsscustompropertyprivate.h \
@ -592,6 +598,11 @@ gtk_base_c_sources = \
gtkcolorbutton.c \
gtkcolorsel.c \
gtkcolorseldialog.c \
gtkcoloreditor.c \
gtkcolorswatch.c \
gtkcolorchooser.c \
gtkcolorchooserwidget.c \
gtkcolorchooserdialog.c \
gtkcombobox.c \
gtkcomboboxtext.c \
gtkcontainer.c \
@ -1562,10 +1573,12 @@ EXTRA_DIST += \
gtktypebuiltins.h.template \
gtkprivatetypebuiltins.c.template \
gtkprivatetypebuiltins.h.template \
org.gtk.Settings.FileChooser.gschema.xml
org.gtk.Settings.FileChooser.gschema.xml \
org.gtk.Settings.ColorChooser.gschema.xml
gsettings_SCHEMAS = \
org.gtk.Settings.FileChooser.gschema.xml
org.gtk.Settings.FileChooser.gschema.xml \
org.gtk.Settings.ColorChooser.gschema.xml
@GSETTINGS_RULES@

110
gtk/gtkcolorchooser.c Normal file
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@ -0,0 +1,110 @@
/* GTK - The GIMP Toolkit
*
* Copyright (C) 2012, Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include "gtkcolorchooser.h"
#include "gtkcolorchooserprivate.h"
#include "gtkintl.h"
#include "gtktypebuiltins.h"
#include "gtkprivate.h"
enum
{
COLOR_ACTIVATED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL];
G_DEFINE_INTERFACE (GtkColorChooser, gtk_color_chooser, G_TYPE_OBJECT);
static void
gtk_color_chooser_default_init (GtkColorChooserInterface *iface)
{
g_object_interface_install_property (iface,
g_param_spec_boxed ("color",
P_("Color"),
P_("Current color, as a GdkRGBA"),
GDK_TYPE_RGBA,
GTK_PARAM_READWRITE));
/**
* GtkColorChooser::color-activated:
* @self: the object which received the signal
* @color: the color
*
* Emitted when a color is activated from the color chooser.
* This usually happens when the user clicks a color swatch,
* or a color is selected and the user presses one of the keys
* Space, Shift+Space, Return or Enter.
*/
signals[COLOR_ACTIVATED] =
g_signal_new ("color-activated",
GTK_TYPE_COLOR_CHOOSER,
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkColorChooserInterface, color_activated),
NULL, NULL,
NULL,
G_TYPE_NONE,
1, G_TYPE_STRING);
}
/**
* gtk_color_chooser_get_color:
* @chooser: a #GtkColorChooser
* @color: return location for the color
*
* Gets the currently-selected color.
*/
void
gtk_color_chooser_get_color (GtkColorChooser *chooser,
GdkRGBA *color)
{
g_return_if_fail (GTK_IS_COLOR_CHOOSER (chooser));
GTK_COLOR_CHOOSER_GET_IFACE (chooser)->get_color (chooser, color);
}
/**
* gtk_color_chooser_set_color:
* @chooser: a #GtkColorChooser
* @color: the new color
*
* Sets the currently-selected color.
*/
void
gtk_color_chooser_set_color (GtkColorChooser *chooser,
const GdkRGBA *color)
{
g_return_if_fail (GTK_IS_COLOR_CHOOSER (chooser));
g_return_if_fail (color != NULL);
GTK_COLOR_CHOOSER_GET_IFACE (chooser)->set_color (chooser, color);
}
void
_gtk_color_chooser_color_activated (GtkColorChooser *chooser,
const GdkRGBA *color)
{
g_return_if_fail (GTK_IS_COLOR_CHOOSER (chooser));
g_signal_emit (chooser, signals[COLOR_ACTIVATED], 0, color);
}

67
gtk/gtkcolorchooser.h Normal file
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@ -0,0 +1,67 @@
/* GTK - The GIMP Toolkit
*
* Copyright (C) 2012 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#ifndef __GTK_COLOR_CHOOSER_H__
#define __GTK_COLOR_CHOOSER_H__
#include <gtk/gtkwidget.h>
G_BEGIN_DECLS
#define GTK_TYPE_COLOR_CHOOSER (gtk_color_chooser_get_type ())
#define GTK_COLOR_CHOOSER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_COLOR_CHOOSER, GtkColorChooser))
#define GTK_IS_COLOR_CHOOSER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_COLOR_CHOOSER))
#define GTK_COLOR_CHOOSER_GET_IFACE(inst) (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GTK_TYPE_COLOR_CHOOSER, GtkColorChooserInterface))
typedef struct _GtkColorChooser GtkColorChooser;
typedef struct _GtkColorChooserInterface GtkColorChooserInterface;
struct _GtkColorChooserInterface
{
GTypeInterface base_interface;
/* Methods */
void (* get_color) (GtkColorChooser *chooser,
GdkRGBA *color);
void (* set_color) (GtkColorChooser *chooser,
const GdkRGBA *color);
/* Signals */
void (* color_activated) (GtkColorChooser *chooser,
const GdkRGBA *color);
/* Padding */
gpointer padding[12];
};
GType gtk_color_chooser_get_type (void) G_GNUC_CONST;
void gtk_color_chooser_get_color (GtkColorChooser *chooser,
GdkRGBA *color);
void gtk_color_chooser_set_color (GtkColorChooser *chooser,
const GdkRGBA *color);
G_END_DECLS
#endif /* __GTK_COLOR_CHOOSER_H__ */

217
gtk/gtkcolorchooserdialog.c Normal file
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@ -0,0 +1,217 @@
/* GTK - The GIMP Toolkit
* Copyright (C) 2012 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include "gtkdialog.h"
#include "gtkstock.h"
#include "gtkbox.h"
#include "gtkintl.h"
#include "gtkcolorchooserprivate.h"
#include "gtkcolorchooserdialog.h"
#include "gtkcolorchooserwidget.h"
struct _GtkColorChooserDialogPrivate
{
GtkWidget *color_chooser;
GtkWidget *select_button;
GtkWidget *cancel_button;
};
enum
{
PROP_ZERO,
PROP_COLOR
};
static void gtk_color_chooser_dialog_iface_init (GtkColorChooserInterface *iface);
G_DEFINE_TYPE_WITH_CODE (GtkColorChooserDialog, gtk_color_chooser_dialog, GTK_TYPE_DIALOG,
G_IMPLEMENT_INTERFACE (GTK_TYPE_COLOR_CHOOSER,
gtk_color_chooser_dialog_iface_init))
static void
propagate_notify (GObject *o,
GParamSpec *pspec,
GtkColorChooserDialog *cc)
{
g_object_notify (G_OBJECT (cc), "color");
}
static void
color_activated_cb (GtkColorChooser *chooser,
GdkRGBA *color,
GtkDialog *dialog)
{
gtk_dialog_response (dialog, GTK_RESPONSE_OK);
}
static void
gtk_color_chooser_dialog_init (GtkColorChooserDialog *cc)
{
GtkColorChooserDialogPrivate *priv;
GtkDialog *dialog = GTK_DIALOG (cc);
GtkWidget *action_area, *content_area;
cc->priv = G_TYPE_INSTANCE_GET_PRIVATE (cc,
GTK_TYPE_COLOR_CHOOSER_DIALOG,
GtkColorChooserDialogPrivate);
priv = cc->priv;
content_area = gtk_dialog_get_content_area (dialog);
action_area = gtk_dialog_get_action_area (dialog);
gtk_container_set_border_width (GTK_CONTAINER (dialog), 5);
gtk_box_set_spacing (GTK_BOX (content_area), 2); /* 2 * 5 + 2 = 12 */
gtk_container_set_border_width (GTK_CONTAINER (action_area), 5);
gtk_box_set_spacing (GTK_BOX (action_area), 6);
gtk_widget_push_composite_child ();
gtk_window_set_resizable (GTK_WINDOW (cc), FALSE);
/* Create the content area */
priv->color_chooser = gtk_color_chooser_widget_new ();
gtk_container_set_border_width (GTK_CONTAINER (priv->color_chooser), 5);
gtk_widget_show (priv->color_chooser);
gtk_box_pack_start (GTK_BOX (content_area),
priv->color_chooser, TRUE, TRUE, 0);
g_signal_connect (priv->color_chooser, "notify::color",
G_CALLBACK (propagate_notify), cc);
g_signal_connect (priv->color_chooser, "color-activated",
G_CALLBACK (color_activated_cb), cc);
/* Create the action area */
priv->cancel_button = gtk_dialog_add_button (dialog,
GTK_STOCK_CANCEL,
GTK_RESPONSE_CANCEL);
priv->select_button = gtk_dialog_add_button (dialog,
_("_Select"),
GTK_RESPONSE_OK);
gtk_widget_grab_default (priv->select_button);
gtk_dialog_set_alternative_button_order (dialog,
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
gtk_window_set_title (GTK_WINDOW (cc), _("Select a Color"));
gtk_widget_pop_composite_child ();
}
static void
gtk_color_chooser_dialog_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkColorChooser *cc = GTK_COLOR_CHOOSER (object);
switch (prop_id)
{
case PROP_COLOR:
{
GdkRGBA color;
gtk_color_chooser_get_color (cc, &color);
g_value_set_boxed (value, &color);
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_color_chooser_dialog_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkColorChooser *cc = GTK_COLOR_CHOOSER (object);
switch (prop_id)
{
case PROP_COLOR:
gtk_color_chooser_set_color (cc, g_value_get_boxed (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_color_chooser_dialog_class_init (GtkColorChooserDialogClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
object_class->get_property = gtk_color_chooser_dialog_get_property;
object_class->set_property = gtk_color_chooser_dialog_set_property;
g_object_class_override_property (object_class, PROP_COLOR, "color");
g_type_class_add_private (class, sizeof (GtkColorChooserDialogPrivate));
}
static void
gtk_color_chooser_dialog_get_color (GtkColorChooser *chooser,
GdkRGBA *color)
{
GtkColorChooserDialog *cc = GTK_COLOR_CHOOSER_DIALOG (chooser);
gtk_color_chooser_get_color (GTK_COLOR_CHOOSER (cc->priv->color_chooser), color);
}
static void
gtk_color_chooser_dialog_set_color (GtkColorChooser *chooser,
const GdkRGBA *color)
{
GtkColorChooserDialog *cc = GTK_COLOR_CHOOSER_DIALOG (chooser);
gtk_color_chooser_set_color (GTK_COLOR_CHOOSER (cc->priv->color_chooser), color);
}
static void
gtk_color_chooser_dialog_iface_init (GtkColorChooserInterface *iface)
{
iface->get_color = gtk_color_chooser_dialog_get_color;
iface->set_color = gtk_color_chooser_dialog_set_color;
}
GtkWidget *
gtk_color_chooser_dialog_new (const gchar *title,
GtkWindow *parent)
{
GtkColorChooserDialog *dialog;
dialog = g_object_new (GTK_TYPE_COLOR_CHOOSER_DIALOG,
"title", title,
"transient-for", parent,
NULL);
return GTK_WIDGET (dialog);
}

68
gtk/gtkcolorchooserdialog.h Normal file
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@ -0,0 +1,68 @@
/* GTK - The GIMP Toolkit
* Copyright (C) 2012 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#ifndef __GTK_COLOR_CHOOSER_DIALOG_H__
#define __GTK_COLOR_CHOOSER_DIALOG_H__
#include <gtk/gtkdialog.h>
G_BEGIN_DECLS
#define GTK_TYPE_COLOR_CHOOSER_DIALOG (gtk_color_chooser_dialog_get_type ())
#define GTK_COLOR_CHOOSER_DIALOG(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_COLOR_CHOOSER_DIALOG, GtkColorChooserDialog))
#define GTK_COLOR_CHOOSER_DIALOG_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_COLOR_CHOOSER_DIALOG, GtkColorChooserDialogClass))
#define GTK_IS_COLOR_CHOOSER_DIALOG(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_COLOR_CHOOSER_DIALOG))
#define GTK_IS_COLOR_CHOOSER_DIALOG_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_COLOR_CHOOSER_DIALOG))
#define GTK_COLOR_CHOOSER_DIALOG_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_COLOR_CHOOSER_DIALOG, GtkColorChooserDialogClass))
typedef struct _GtkColorChooserDialog GtkColorChooserDialog;
typedef struct _GtkColorChooserDialogPrivate GtkColorChooserDialogPrivate;
typedef struct _GtkColorChooserDialogClass GtkColorChooserDialogClass;
struct _GtkColorChooserDialog
{
GtkDialog parent_instance;
/*< private >*/
GtkColorChooserDialogPrivate *priv;
};
struct _GtkColorChooserDialogClass
{
GtkDialogClass parent_class;
/* Padding for future expansion */
void (*_gtk_reserved1) (void);
void (*_gtk_reserved2) (void);
void (*_gtk_reserved3) (void);
void (*_gtk_reserved4) (void);
};
GType gtk_color_chooser_dialog_get_type (void) G_GNUC_CONST;
GtkWidget * gtk_color_chooser_dialog_new (const gchar *title,
GtkWindow *parent);
G_END_DECLS
#endif /* __GTK_COLOR_CHOOSER_DIALOG_H__ */

32
gtk/gtkcolorchooserprivate.h Normal file
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@ -0,0 +1,32 @@
/*
* Copyright (C) 2012 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GTK_COLOR_CHOOSER_PRIVATE_H__
#define __GTK_COLOR_CHOOSER_PRIVATE_H__
#include "gtkcolorchooser.h"
G_BEGIN_DECLS
void _gtk_color_chooser_color_activated (GtkColorChooser *chooser,
const GdkRGBA *color);
G_END_DECLS
#endif /* ! __GTK_COLOR_CHOOSER_PRIVATE_H__ */

482
gtk/gtkcolorchooserwidget.c Normal file
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@ -0,0 +1,482 @@
/* GTK - The GIMP Toolkit
*
* Copyright (C) 2012 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include "gtkcolorchooserprivate.h"
#include "gtkcolorchooserwidget.h"
#include "gtkcoloreditor.h"
#include "gtkcolorswatch.h"
#include "gtkbox.h"
#include "gtkgrid.h"
#include "gtkhsv.h"
#include "gtklabel.h"
#include "gtkorientable.h"
#include "gtkintl.h"
struct _GtkColorChooserWidgetPrivate
{
GtkWidget *palette;
GtkWidget *editor;
GtkWidget *colors;
GtkWidget *grays;
GtkWidget *custom;
GtkColorSwatch *current;
GSettings *settings;
};
enum
{
PROP_ZERO,
PROP_COLOR
};
static void gtk_color_chooser_widget_iface_init (GtkColorChooserInterface *iface);
G_DEFINE_TYPE_WITH_CODE (GtkColorChooserWidget, gtk_color_chooser_widget, GTK_TYPE_BOX,
G_IMPLEMENT_INTERFACE (GTK_TYPE_COLOR_CHOOSER,
gtk_color_chooser_widget_iface_init))
static void
select_swatch (GtkColorChooserWidget *cc,
GtkColorSwatch *swatch)
{
if (cc->priv->current == swatch)
return;
if (cc->priv->current != NULL)
gtk_color_swatch_set_selected (cc->priv->current, FALSE);
gtk_color_swatch_set_selected (swatch, TRUE);
cc->priv->current = swatch;
g_object_notify (G_OBJECT (cc), "color");
}
static void add_custom (GtkColorChooserWidget *cc, GtkColorSwatch *swatch);
static void save_custom (GtkColorChooserWidget *cc);
static void
button_activate (GtkColorSwatch *swatch,
GtkColorChooserWidget *cc)
{
add_custom (cc, swatch);
}
static void
swatch_activate (GtkColorSwatch *swatch,
GtkColorChooserWidget *cc)
{
GdkRGBA color;
gtk_color_swatch_get_color (swatch, &color);
_gtk_color_chooser_color_activated (GTK_COLOR_CHOOSER (cc), &color);
}
static void
swatch_customize (GtkColorSwatch *swatch,
GtkColorChooserWidget *cc)
{
GdkRGBA color;
gtk_color_swatch_get_color (swatch, &color);
gtk_color_chooser_set_color (GTK_COLOR_CHOOSER (cc->priv->editor), &color);
gtk_widget_hide (cc->priv->palette);
gtk_widget_show (cc->priv->editor);
g_print ("TODO: customize color\n");
}
static void
swatch_selected (GtkColorSwatch *swatch,
GParamSpec *pspec,
GtkColorChooserWidget *cc)
{
select_swatch (cc, swatch);
}
static void
connect_swatch_signals (GtkWidget *p, gpointer data)
{
g_signal_connect (p, "activate", G_CALLBACK (swatch_activate), data);
g_signal_connect (p, "customize", G_CALLBACK (swatch_customize), data);
g_signal_connect (p, "notify::selected", G_CALLBACK (swatch_selected), data);
}
static void
connect_button_signals (GtkWidget *p, gpointer data)
{
g_signal_connect (p, "activate", G_CALLBACK (button_activate), data);
}
static void
connect_custom_signals (GtkWidget *p, gpointer data)
{
connect_swatch_signals (p, data);
g_signal_connect_swapped (p, "notify::color", G_CALLBACK (save_custom), data);
}
static void
save_custom (GtkColorChooserWidget *cc)
{
GVariantBuilder builder;
GVariant *variant;
GdkRGBA color;
GList *children, *l;
g_variant_builder_init (&builder, G_VARIANT_TYPE ("a(dddd)"));
children = gtk_container_get_children (GTK_CONTAINER (cc->priv->custom));
for (l = children; l; l = l->next)
{
if (gtk_color_swatch_get_color (GTK_COLOR_SWATCH (l->data), &color))
{
g_variant_builder_add (&builder, "(dddd)",
color.red, color.green, color.blue, color.alpha);
}
}
g_list_free (children);
variant = g_variant_builder_end (&builder);
g_settings_set_value (cc->priv->settings, "custom-colors", variant);
}
static void
add_custom (GtkColorChooserWidget *cc, GtkColorSwatch *swatch)
{
GList *children;
gint n_children;
GdkRGBA color;
GtkWidget *p;
children = gtk_container_get_children (GTK_CONTAINER (cc->priv->custom));
n_children = g_list_length (children);
g_list_free (children);
if (n_children >= 9)
{
gtk_widget_error_bell (GTK_WIDGET (cc));
return;
}
gtk_color_swatch_set_corner_radii (GTK_COLOR_SWATCH (swatch), 10, 1, 1, 10);
color.red = g_random_double_range (0, 1);
color.green = g_random_double_range (0, 1);
color.blue = g_random_double_range (0, 1);
color.alpha = 1.0;
p = gtk_color_swatch_new ();
gtk_color_swatch_set_color (GTK_COLOR_SWATCH (p), &color);
gtk_color_swatch_set_can_drop (GTK_COLOR_SWATCH (p), TRUE);
connect_custom_signals (p, cc);
if (n_children == 1)
gtk_color_swatch_set_corner_radii (GTK_COLOR_SWATCH (p), 1, 10, 10, 1);
else
gtk_color_swatch_set_corner_radii (GTK_COLOR_SWATCH (p), 1, 1, 1, 1);
gtk_grid_insert_next_to (GTK_GRID (cc->priv->custom), GTK_WIDGET (swatch), GTK_POS_RIGHT);
gtk_grid_attach (GTK_GRID (cc->priv->custom), p, 1, 0, 1, 1);
gtk_widget_show (p);
save_custom (cc);
}
static void
gtk_color_chooser_widget_init (GtkColorChooserWidget *cc)
{
GtkWidget *grid;
GtkWidget *p;
GtkWidget *label;
gint i;
GdkRGBA color, color1, color2;
gdouble h, s, v;
GVariant *variant;
GVariantIter iter;
gboolean selected;
const gchar *default_palette[9] = {
"red",
"orange",
"yellow",
"green",
"blue",
"purple",
"brown",
"darkgray",
"gray"
};
cc->priv = G_TYPE_INSTANCE_GET_PRIVATE (cc, GTK_TYPE_COLOR_CHOOSER_WIDGET, GtkColorChooserWidgetPrivate);
gtk_orientable_set_orientation (GTK_ORIENTABLE (cc), GTK_ORIENTATION_VERTICAL);
cc->priv->palette = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_container_add (GTK_CONTAINER (cc), cc->priv->palette);
cc->priv->colors = grid = gtk_grid_new ();
g_object_set (grid, "margin", 12, NULL);
gtk_widget_set_margin_bottom (grid, 12);
gtk_grid_set_row_spacing (GTK_GRID (grid), 2);
gtk_grid_set_column_spacing (GTK_GRID (grid), 4);
gtk_container_add (GTK_CONTAINER (cc->priv->palette), grid);
for (i = 0; i < 9; i++)
{
gdk_rgba_parse (&color, default_palette[i]);
gtk_rgb_to_hsv (color.red, color.green, color.blue, &h, &s, &v);
gtk_hsv_to_rgb (h, s / 2, (v + 1) / 2, &color1.red, &color1.green, &color1.blue);
color1.alpha = color.alpha;
gtk_hsv_to_rgb (h, s, v * 3 / 4, &color2.red, &color2.green, &color2.blue);
color2.alpha = color.alpha;
p = gtk_color_swatch_new ();
connect_swatch_signals (p, cc);
gtk_color_swatch_set_corner_radii (GTK_COLOR_SWATCH (p), 10, 10, 1, 1);
gtk_color_swatch_set_color (GTK_COLOR_SWATCH (p), &color1);
gtk_grid_attach (GTK_GRID (grid), p, i, 0, 1, 1);
p = gtk_color_swatch_new ();
connect_swatch_signals (p, cc);
gtk_color_swatch_set_corner_radii (GTK_COLOR_SWATCH (p), 1, 1, 1, 1);
gtk_color_swatch_set_color (GTK_COLOR_SWATCH (p), &color);
gtk_grid_attach (GTK_GRID (grid), p, i, 1, 1, 1);
p = gtk_color_swatch_new ();
connect_swatch_signals (p, cc);
gtk_color_swatch_set_corner_radii (GTK_COLOR_SWATCH (p), 1, 1, 10, 10);
gtk_color_swatch_set_color (GTK_COLOR_SWATCH (p), &color2);
gtk_grid_attach (GTK_GRID (grid), p, i, 2, 1, 1);
}
cc->priv->grays = grid = gtk_grid_new ();
g_object_set (grid, "margin", 12, "margin-top", 0, NULL);
gtk_grid_set_column_spacing (GTK_GRID (grid), 4);
gtk_container_add (GTK_CONTAINER (cc->priv->palette), grid);
for (i = 0; i < 9; i++)
{
color.red = color.green = color.blue = i / 8.0;
color.alpha = 1.0;
p = gtk_color_swatch_new ();
connect_swatch_signals (p, cc);
if (i == 0)
gtk_color_swatch_set_corner_radii (GTK_COLOR_SWATCH (p), 10, 1, 1, 10);
else if (i == 8)
gtk_color_swatch_set_corner_radii (GTK_COLOR_SWATCH (p), 1, 10, 10, 1);
else
gtk_color_swatch_set_corner_radii (GTK_COLOR_SWATCH (p), 1, 1, 1, 1);
gtk_color_swatch_set_color (GTK_COLOR_SWATCH (p), &color);
gtk_grid_attach (GTK_GRID (grid), p, i, 0, 1, 1);
}
label = gtk_label_new (_("Custom color"));
gtk_widget_set_halign (label, GTK_ALIGN_START);
gtk_container_add (GTK_CONTAINER (cc->priv->palette), label);
g_object_set (grid, "margin", 12, "margin-top", 0, NULL);
cc->priv->custom = grid = gtk_grid_new ();
g_object_set (grid, "margin", 12, "margin-top", 0, NULL);
gtk_grid_set_column_spacing (GTK_GRID (grid), 4);
gtk_container_add (GTK_CONTAINER (cc->priv->palette), grid);
p = gtk_color_swatch_new ();
gtk_color_swatch_set_corner_radii (GTK_COLOR_SWATCH (p), 10, 10, 10, 10);
connect_button_signals (p, cc);
gtk_color_swatch_set_icon (GTK_COLOR_SWATCH (p), "list-add-symbolic");
gtk_grid_attach (GTK_GRID (grid), p, 0, 0, 1, 1);
cc->priv->settings = g_settings_new_with_path ("org.gtk.Settings.ColorChooser",
"/org/gtk/settings/color-chooser/");
variant = g_settings_get_value (cc->priv->settings, "custom-colors");
g_variant_iter_init (&iter, variant);
i = 0;
while (g_variant_iter_loop (&iter, "(dddd)", &color.red, &color.green, &color.blue, &color.alpha))
{
i++;
p = gtk_color_swatch_new ();
gtk_color_swatch_set_corner_radii (GTK_COLOR_SWATCH (p), 1, 1, 1, 1);
gtk_color_swatch_set_color (GTK_COLOR_SWATCH (p), &color);
gtk_color_swatch_set_can_drop (GTK_COLOR_SWATCH (p), TRUE);
connect_custom_signals (p, cc);
gtk_grid_attach (GTK_GRID (grid), p, i, 0, 1, 1);
if (i == 8)
break;
}
if (i > 0)
gtk_color_swatch_set_corner_radii (GTK_COLOR_SWATCH (p), 1, 10, 10, 1);
g_variant_unref (variant);
cc->priv->editor = gtk_color_editor_new ();
gtk_container_add (GTK_CONTAINER (cc), cc->priv->editor);
g_settings_get (cc->priv->settings, "selected-color", "(bdddd)",
&selected,
&color.red, &color.green, &color.blue, &color.alpha);
if (selected)
gtk_color_chooser_set_color (GTK_COLOR_CHOOSER (cc), &color);
gtk_widget_show_all (GTK_WIDGET (cc));
gtk_widget_hide (GTK_WIDGET (cc->priv->editor));
gtk_widget_hide (GTK_WIDGET (cc));
gtk_widget_set_no_show_all (cc->priv->palette, TRUE);
gtk_widget_set_no_show_all (cc->priv->editor, TRUE);
}
static void
gtk_color_chooser_widget_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkColorChooser *cc = GTK_COLOR_CHOOSER (object);
switch (prop_id)
{
case PROP_COLOR:
{
GdkRGBA color;
gtk_color_chooser_get_color (cc, &color);
g_value_set_boxed (value, &color);
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_color_chooser_widget_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkColorChooserWidget *cc = GTK_COLOR_CHOOSER_WIDGET (object);
switch (prop_id)
{
case PROP_COLOR:
gtk_color_chooser_set_color (GTK_COLOR_CHOOSER (cc),
g_value_get_boxed (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_color_chooser_widget_finalize (GObject *object)
{
GtkColorChooserWidget *cc = GTK_COLOR_CHOOSER_WIDGET (object);
g_object_unref (cc->priv->settings);
G_OBJECT_CLASS (gtk_color_chooser_widget_parent_class)->finalize (object);
}
static void
gtk_color_chooser_widget_class_init (GtkColorChooserWidgetClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
object_class->get_property = gtk_color_chooser_widget_get_property;
object_class->set_property = gtk_color_chooser_widget_set_property;
object_class->finalize = gtk_color_chooser_widget_finalize;
g_object_class_override_property (object_class, PROP_COLOR, "color");
g_type_class_add_private (object_class, sizeof (GtkColorChooserWidgetPrivate));
}
static void
gtk_color_chooser_widget_get_color (GtkColorChooser *chooser,
GdkRGBA *color)
{
GtkColorChooserWidget *cc = GTK_COLOR_CHOOSER_WIDGET (chooser);
if (gtk_widget_get_visible (cc->priv->editor))
gtk_color_chooser_get_color (GTK_COLOR_CHOOSER (cc->priv->editor), color);
else if (cc->priv->current)
gtk_color_swatch_get_color (cc->priv->current, color);
else
{
color->red = 1.0;
color->green = 1.0;
color->blue = 1.0;
color->alpha = 1.0;
}
}
static void
gtk_color_chooser_widget_set_color (GtkColorChooser *chooser,
const GdkRGBA *color)
{
GtkColorChooserWidget *cc = GTK_COLOR_CHOOSER_WIDGET (chooser);
GList *children, *l;
GtkColorSwatch *swatch;
GdkRGBA c;
GtkWidget *grids[3];
gint i;
grids[0] = cc->priv->colors;
grids[1] = cc->priv->grays;
grids[2] = cc->priv->custom;
for (i = 0; i < 3; i++)
{
children = gtk_container_get_children (GTK_CONTAINER (grids[i]));
for (l = children; l; l = l->next)
{
swatch = l->data;
gtk_color_swatch_get_color (swatch, &c);
if (gdk_rgba_equal (color, &c))
{
select_swatch (cc, swatch);
g_list_free (children);
return;
}
}
g_list_free (children);
}
/* FIXME: add new custom color */
}
static void
gtk_color_chooser_widget_iface_init (GtkColorChooserInterface *iface)
{
iface->get_color = gtk_color_chooser_widget_get_color;
iface->set_color = gtk_color_chooser_widget_set_color;
}
GtkWidget *
gtk_color_chooser_widget_new (void)
{
return g_object_new (GTK_TYPE_COLOR_CHOOSER_WIDGET, NULL);
}

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/* GTK - The GIMP Toolkit
* Copyright (C) 2012 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#ifndef __GTK_COLOR_CHOOSER_WIDGET_H__
#define __GTK_COLOR_CHOOSER_WIDGET_H__
#include <gtk/gtkbox.h>
G_BEGIN_DECLS
#define GTK_TYPE_COLOR_CHOOSER_WIDGET (gtk_color_chooser_widget_get_type ())
#define GTK_COLOR_CHOOSER_WIDGET(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_COLOR_CHOOSER_WIDGET, GtkColorChooserWidget))
#define GTK_COLOR_CHOOSER_WIDGET_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_COLOR_CHOOSER_WIDGET, GtkColorChooserWidgetClass))
#define GTK_IS_COLOR_CHOOSER_WIDGET(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_COLOR_CHOOSER_WIDGET))
#define GTK_IS_COLOR_CHOOSER_WIDGET_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_COLOR_CHOOSER_WIDGET))
#define GTK_COLOR_CHOOSER_WIDGET_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_COLOR_CHOOSER_WIDGET, GtkColorChooserWidgetClass))
typedef struct _GtkColorChooserWidget GtkColorChooserWidget;
typedef struct _GtkColorChooserWidgetPrivate GtkColorChooserWidgetPrivate;
typedef struct _GtkColorChooserWidgetClass GtkColorChooserWidgetClass;
struct _GtkColorChooserWidget
{
GtkBox parent_instance;
/*< private >*/
GtkColorChooserWidgetPrivate *priv;
};
struct _GtkColorChooserWidgetClass
{
GtkBoxClass parent_class;
/* Padding for future expansion */
void (*_gtk_reserved1) (void);
void (*_gtk_reserved2) (void);
void (*_gtk_reserved3) (void);
void (*_gtk_reserved4) (void);
void (*_gtk_reserved5) (void);
void (*_gtk_reserved6) (void);
void (*_gtk_reserved7) (void);
void (*_gtk_reserved8) (void);
};
GType gtk_color_chooser_widget_get_type (void) G_GNUC_CONST;
GtkWidget * gtk_color_chooser_widget_new (void);
G_END_DECLS
#endif /* __GTK_COLOR_CHOOSER_WIDGET_H__ */

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/* GTK - The GIMP Toolkit
* Copyright (C) 2012 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include "gtkintl.h"
#include "gtkcolorchooserprivate.h"
#include "gtkcoloreditor.h"
#include "gtkhsv.h"
struct _GtkColorEditorPrivate
{
GtkWidget *hsv;
GdkRGBA color;
};
enum
{
PROP_ZERO,
PROP_COLOR
};
static void gtk_color_editor_iface_init (GtkColorChooserInterface *iface);
G_DEFINE_TYPE_WITH_CODE (GtkColorEditor, gtk_color_editor, GTK_TYPE_BOX,
G_IMPLEMENT_INTERFACE (GTK_TYPE_COLOR_CHOOSER,
gtk_color_editor_iface_init))
static void
hsv_changed (GtkHSV *hsv,
GtkColorEditor *editor)
{
gdouble h, s, v;
gtk_hsv_get_color (hsv, &h, &s, &v);
gtk_hsv_to_rgb (h, s, v,
&editor->priv->color.red,
&editor->priv->color.green,
&editor->priv->color.blue);
editor->priv->color.alpha = 1;
}
static void
gtk_color_editor_init (GtkColorEditor *editor)
{
GtkWidget *hsv;
editor->priv = G_TYPE_INSTANCE_GET_PRIVATE (editor,
GTK_TYPE_COLOR_EDITOR,
GtkColorEditorPrivate);
gtk_widget_push_composite_child ();
editor->priv->hsv = hsv = gtk_hsv_new ();
gtk_hsv_set_metrics (GTK_HSV (hsv), 300, 20);
g_signal_connect (hsv, "changed", G_CALLBACK (hsv_changed), editor);
gtk_widget_show (hsv);
gtk_container_add (GTK_CONTAINER (editor), hsv);
gtk_widget_pop_composite_child ();
}
static void
gtk_color_editor_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkColorChooser *cc = GTK_COLOR_CHOOSER (object);
switch (prop_id)
{
case PROP_COLOR:
{
GdkRGBA color;
gtk_color_chooser_get_color (cc, &color);
g_value_set_boxed (value, &color);
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_color_editor_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkColorChooser *cc = GTK_COLOR_CHOOSER (object);
switch (prop_id)
{
case PROP_COLOR:
gtk_color_chooser_set_color (cc, g_value_get_boxed (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_color_editor_class_init (GtkColorEditorClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
object_class->get_property = gtk_color_editor_get_property;
object_class->set_property = gtk_color_editor_set_property;
g_object_class_override_property (object_class, PROP_COLOR, "color");
g_type_class_add_private (class, sizeof (GtkColorEditorPrivate));
}
static void
gtk_color_editor_get_color (GtkColorChooser *chooser,
GdkRGBA *color)
{
GtkColorEditor *editor = GTK_COLOR_EDITOR (chooser);
color->red = editor->priv->color.red;
color->green = editor->priv->color.green;
color->blue = editor->priv->color.blue;
color->alpha = editor->priv->color.alpha;
}
static void
gtk_color_editor_set_color (GtkColorChooser *chooser,
const GdkRGBA *color)
{
GtkColorEditor *editor = GTK_COLOR_EDITOR (chooser);
gdouble h, s, v;
editor->priv->color.red = color->red;
editor->priv->color.green = color->green;
editor->priv->color.blue = color->blue;
editor->priv->color.alpha = color->alpha;
gtk_rgb_to_hsv (color->red, color->green, color->blue, &h, &s, &v);
gtk_hsv_set_color (GTK_HSV (editor->priv->hsv), h, s, v);
g_object_notify (G_OBJECT (editor), "color");
}
static void
gtk_color_editor_iface_init (GtkColorChooserInterface *iface)
{
iface->get_color = gtk_color_editor_get_color;
iface->set_color = gtk_color_editor_set_color;
}
GtkWidget *
gtk_color_editor_new (void)
{
return (GtkWidget *) g_object_new (GTK_TYPE_COLOR_EDITOR, NULL);
}

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/* GTK - The GIMP Toolkit
* Copyright (C) 2012 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#ifndef __GTK_COLOR_EDITOR_H__
#define __GTK_COLOR_EDITOR_H__
#include <gtk/gtkbox.h>
G_BEGIN_DECLS
#define GTK_TYPE_COLOR_EDITOR (gtk_color_editor_get_type ())
#define GTK_COLOR_EDITOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_COLOR_EDITOR, GtkColorEditor))
#define GTK_COLOR_EDITOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_COLOR_EDITOR, GtkColorEditorClass))
#define GTK_IS_COLOR_EDITOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_COLOR_EDITOR))
#define GTK_IS_COLOR_EDITOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_COLOR_EDITOR))
#define GTK_COLOR_EDITOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_COLOR_EDITOR, GtkColorEditorClass))
typedef struct _GtkColorEditor GtkColorEditor;
typedef struct _GtkColorEditorClass GtkColorEditorClass;
typedef struct _GtkColorEditorPrivate GtkColorEditorPrivate;
struct _GtkColorEditor
{
GtkBox parent_instance;
GtkColorEditorPrivate *priv;
};
struct _GtkColorEditorClass
{
GtkBoxClass parent_class;
/* Padding for future expansion */
void (*_gtk_reserved1) (void);
void (*_gtk_reserved2) (void);
void (*_gtk_reserved3) (void);
void (*_gtk_reserved4) (void);
};
GType gtk_color_editor_get_type (void) G_GNUC_CONST;
GtkWidget * gtk_color_editor_new (void);
G_END_DECLS
#endif /* __GTK_COLOR_EDITOR_H__ */

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/* GTK - The GIMP Toolkit
* Copyright (C) 2012 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include "gtkcolorswatch.h"
#include "gtkroundedboxprivate.h"
#include "gtkdnd.h"
#include "gtkicontheme.h"
#include "gtkprivate.h"
#include "gtkintl.h"
struct _GtkColorSwatchPrivate
{
GdkRGBA color;
gdouble radius[4];
gchar *icon;
guint selected : 1;
guint has_color : 1;
guint can_drop : 1;
guint contains_pointer : 1;
};
enum
{
PROP_ZERO,
PROP_COLOR,
PROP_SELECTED
};
enum
{
ACTIVATE,
CUSTOMIZE,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL];
G_DEFINE_TYPE (GtkColorSwatch, gtk_color_swatch, GTK_TYPE_DRAWING_AREA)
static void
gtk_color_swatch_init (GtkColorSwatch *swatch)
{
swatch->priv = G_TYPE_INSTANCE_GET_PRIVATE (swatch,
GTK_TYPE_COLOR_SWATCH,
GtkColorSwatchPrivate);
gtk_widget_set_can_focus (GTK_WIDGET (swatch), TRUE);
gtk_widget_set_events (GTK_WIDGET (swatch), GDK_BUTTON_PRESS_MASK
| GDK_BUTTON_RELEASE_MASK
| GDK_EXPOSURE_MASK
| GDK_ENTER_NOTIFY_MASK
| GDK_LEAVE_NOTIFY_MASK);
}
static void
swatch_finalize (GObject *object)
{
GtkColorSwatch *swatch = GTK_COLOR_SWATCH (object);
g_free (swatch->priv->icon);
G_OBJECT_CLASS (gtk_color_swatch_parent_class)->finalize (object);
}
#define INTENSITY(r, g, b) ((r) * 0.30 + (g) * 0.59 + (b) * 0.11)
static gboolean
swatch_draw (GtkWidget *widget,
cairo_t *cr)
{
GtkColorSwatch *swatch = (GtkColorSwatch*)widget;
GtkRoundedBox box;
gint i;
gdouble width, height;
GtkStyleContext *context;
GtkStateFlags state;
GdkRGBA bg;
context = gtk_widget_get_style_context (widget);
state = gtk_widget_get_state_flags (widget);
width = gtk_widget_get_allocated_width (widget);
height = gtk_widget_get_allocated_height (widget);
gtk_style_context_save (context);
cairo_save (cr);
gtk_style_context_set_state (context, state);
_gtk_rounded_box_init_rect (&box, 0, 0, width, height);
for (i = 0; i < 4; i++)
box.corner[i].horizontal = box.corner[i].vertical = swatch->priv->radius[i];
_gtk_rounded_box_path (&box, cr);
if (swatch->priv->has_color)
{
gdk_cairo_set_source_rgba (cr, &swatch->priv->color);
cairo_fill_preserve (cr);
}
cairo_set_source_rgb (cr, 0.4, 0.4, 0.4);
cairo_set_line_width (cr, 1);
cairo_stroke (cr);
if (gtk_widget_has_visible_focus (widget))
{
cairo_set_line_width (cr, 2);
if (swatch->priv->has_color && INTENSITY (swatch->priv->color.red, swatch->priv->color.green, swatch->priv->color.blue) < 0.5)
cairo_set_source_rgba (cr, 1., 1., 1., 0.4);
else
cairo_set_source_rgba (cr, 0., 0., 0., 0.4);
_gtk_rounded_box_shrink (&box, 3, 3, 3, 3);
_gtk_rounded_box_path (&box, cr);
cairo_stroke (cr);
}
if (swatch->priv->icon)
{
GdkPixbuf *pixbuf;
GtkIconTheme *theme;
theme = gtk_icon_theme_get_default ();
pixbuf = gtk_icon_theme_load_icon (theme, "list-add-symbolic", 16,
GTK_ICON_LOOKUP_GENERIC_FALLBACK
| GTK_ICON_LOOKUP_USE_BUILTIN,
NULL);
gtk_render_icon (context, cr, pixbuf,
(width - gdk_pixbuf_get_width (pixbuf)) / 2,
(height - gdk_pixbuf_get_height (pixbuf)) / 2);
g_object_unref (pixbuf);
}
else if (swatch->priv->selected)
{
gtk_style_context_get_background_color (context, state, &bg);
cairo_new_sub_path (cr);
cairo_arc (cr, width / 2, height / 2, 10, 0, 2 * G_PI);
cairo_close_path (cr);
gdk_cairo_set_source_rgba (cr, &bg);
cairo_fill_preserve (cr);
if (INTENSITY (swatch->priv->color.red, swatch->priv->color.green, swatch->priv->color.blue) > 0.5)
cairo_set_source_rgba (cr, 0., 0., 0., 0.4);
else
cairo_set_source_rgba (cr, 1., 1., 1., 0.4);
cairo_set_line_width (cr, 2);
cairo_stroke (cr);
gtk_style_context_set_state (context, state | GTK_STATE_FLAG_ACTIVE);
gtk_render_check (context, cr, width / 2 - 5, height / 2 - 5, 10, 10);
}
cairo_restore (cr);
gtk_style_context_restore (context);
return FALSE;
}
static void
drag_set_color_icon (GdkDragContext *context,
const GdkRGBA *color)
{
cairo_surface_t *surface;
cairo_t *cr;
surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, 48, 32);
cr = cairo_create (surface);
gdk_cairo_set_source_rgba (cr, color);
cairo_paint (cr);
cairo_surface_set_device_offset (surface, -2, -2);
gtk_drag_set_icon_surface (context, surface);
cairo_destroy (cr);
cairo_surface_destroy (surface);
}
static void
swatch_drag_begin (GtkWidget *widget,
GdkDragContext *context)
{
GtkColorSwatch *swatch = GTK_COLOR_SWATCH (widget);
GdkRGBA color;
gtk_color_swatch_get_color (swatch, &color);
drag_set_color_icon (context, &color);
}
static void
swatch_drag_data_get (GtkWidget *widget,
GdkDragContext *context,
GtkSelectionData *selection_data,
guint info,
guint time)
{
GtkColorSwatch *swatch = GTK_COLOR_SWATCH (widget);
guint16 vals[4];
GdkRGBA color;
gtk_color_swatch_get_color (swatch, &color);
vals[0] = color.red * 0xffff;
vals[1] = color.green * 0xffff;
vals[2] = color.blue * 0xffff;
vals[3] = color.alpha * 0xffff;
gtk_selection_data_set (selection_data,
gdk_atom_intern_static_string ("application/x-color"),
16, (guchar *)vals, 8);
}
static void
swatch_drag_data_received (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
GtkSelectionData *selection_data,
guint info,
guint time)
{
gint length;
guint16 *vals;
GdkRGBA color;
length = gtk_selection_data_get_length (selection_data);
if (length < 0)
return;
/* We accept drops with the wrong format, since the KDE color
* chooser incorrectly drops application/x-color with format 8.
*/
if (length != 8)
{
g_warning ("Received invalid color data\n");
return;
}
vals = (guint16 *) gtk_selection_data_get_data (selection_data);
color.red = (gdouble)vals[0] / 0xffff;
color.green = (gdouble)vals[1] / 0xffff;
color.blue = (gdouble)vals[2] / 0xffff;
color.alpha = (gdouble)vals[3] / 0xffff;
gtk_color_swatch_set_color (GTK_COLOR_SWATCH (widget), &color);
}
static void
swatch_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkColorSwatch *swatch = GTK_COLOR_SWATCH (object);
GdkRGBA color;
switch (prop_id)
{
case PROP_COLOR:
gtk_color_swatch_get_color (swatch, &color);
g_value_set_boxed (value, &color);
break;
case PROP_SELECTED:
g_value_set_boolean (value, swatch->priv->selected);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
swatch_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkColorSwatch *swatch = GTK_COLOR_SWATCH (object);
switch (prop_id)
{
case PROP_COLOR:
gtk_color_swatch_set_color (swatch, g_value_get_boxed (value));
break;
case PROP_SELECTED:
gtk_color_swatch_set_selected (swatch, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
swatch_get_preferred_width (GtkWidget *widget,
gint *min,
gint *nat)
{
*min = *nat = 48;
}
static void
swatch_get_preferred_height (GtkWidget *widget,
gint *min,
gint *nat)
{
*min = *nat = 32;
}
static gboolean
swatch_key_press (GtkWidget *widget,
GdkEventKey *event)
{
GtkColorSwatch *swatch = GTK_COLOR_SWATCH (widget);
if (event->keyval == GDK_KEY_space ||
event->keyval == GDK_KEY_Return ||
event->keyval == GDK_KEY_ISO_Enter||
event->keyval == GDK_KEY_KP_Enter ||
event->keyval == GDK_KEY_KP_Space)
{
if (swatch->priv->has_color && !swatch->priv->selected)
gtk_color_swatch_set_selected (swatch, TRUE);
else
g_signal_emit (swatch, signals[ACTIVATE], 0);
return TRUE;
}
return FALSE;
}
static gboolean
swatch_enter (GtkWidget *widget,
GdkEventCrossing *event)
{
GtkColorSwatch *swatch = GTK_COLOR_SWATCH (widget);
swatch->priv->contains_pointer = TRUE;
return FALSE;
}
static gboolean
swatch_leave (GtkWidget *widget,
GdkEventCrossing *event)
{
GtkColorSwatch *swatch = GTK_COLOR_SWATCH (widget);
swatch->priv->contains_pointer = FALSE;
return FALSE;
}
static gboolean
swatch_button_press (GtkWidget *widget,
GdkEventButton *event)
{
GtkColorSwatch *swatch = GTK_COLOR_SWATCH (widget);
gtk_widget_grab_focus (GTK_WIDGET (swatch));
if (gdk_event_triggers_context_menu ((GdkEvent *) event))
{
g_signal_emit (swatch, signals[CUSTOMIZE], 0);
return TRUE;
}
else if (event->button == GDK_BUTTON_PRIMARY &&
swatch->priv->selected)
{
g_signal_emit (swatch, signals[ACTIVATE], 0);
return TRUE;
}
return FALSE;
}
static gboolean
swatch_button_release (GtkWidget *widget,
GdkEventButton *event)
{
GtkColorSwatch *swatch = GTK_COLOR_SWATCH (widget);
gtk_widget_grab_focus (GTK_WIDGET (swatch));
if (event->button == GDK_BUTTON_PRIMARY &&
swatch->priv->contains_pointer)
{
if (!swatch->priv->has_color)
{
g_signal_emit (swatch, signals[ACTIVATE], 0);
return TRUE;
}
else if (!swatch->priv->selected)
{
gtk_color_swatch_set_selected (swatch, TRUE);
return TRUE;
}
}
return FALSE;
}
static void
gtk_color_swatch_class_init (GtkColorSwatchClass *class)
{
GtkWidgetClass *widget_class = (GtkWidgetClass *)class;
GObjectClass *object_class = (GObjectClass *)class;
object_class->get_property = swatch_get_property;
object_class->set_property = swatch_set_property;
object_class->finalize = swatch_finalize;
widget_class->get_preferred_width = swatch_get_preferred_width;
widget_class->get_preferred_height = swatch_get_preferred_height;
widget_class->draw = swatch_draw;
widget_class->drag_begin = swatch_drag_begin;
widget_class->drag_data_get = swatch_drag_data_get;
widget_class->drag_data_received = swatch_drag_data_received;
widget_class->key_press_event = swatch_key_press;
widget_class->button_press_event = swatch_button_press;
widget_class->button_release_event = swatch_button_release;
widget_class->enter_notify_event = swatch_enter;
widget_class->leave_notify_event = swatch_leave;
signals[ACTIVATE] =
g_signal_new ("activate",
GTK_TYPE_COLOR_SWATCH,
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkColorSwatchClass, activate),
NULL, NULL, NULL, G_TYPE_NONE, 0);
signals[CUSTOMIZE] =
g_signal_new ("customize",
GTK_TYPE_COLOR_SWATCH,
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkColorSwatchClass, customize),
NULL, NULL, NULL, G_TYPE_NONE, 0);
g_object_class_install_property (object_class, PROP_COLOR,
g_param_spec_boxed ("color", P_("Color"), P_("Color"),
GDK_TYPE_RGBA, GTK_PARAM_READWRITE));
g_object_class_install_property (object_class, PROP_SELECTED,
g_param_spec_boolean ("selected", P_("Selected"), P_("Selected"),
FALSE, GTK_PARAM_READWRITE));
g_type_class_add_private (object_class, sizeof (GtkColorSwatchPrivate));
}
/* Public API {{{1 */
GtkWidget *
gtk_color_swatch_new (void)
{
return (GtkWidget *) g_object_new (GTK_TYPE_COLOR_SWATCH, NULL);
}
void
gtk_color_swatch_set_color (GtkColorSwatch *swatch,
const GdkRGBA *color)
{
static const GtkTargetEntry targets[] = {
{ "application/x-color", 0 }
};
if (!swatch->priv->has_color)
gtk_drag_source_set (GTK_WIDGET (swatch),
GDK_BUTTON1_MASK | GDK_BUTTON3_MASK,
targets, 1,
GDK_ACTION_COPY | GDK_ACTION_MOVE);
swatch->priv->has_color = TRUE;
swatch->priv->color.red = color->red;
swatch->priv->color.green = color->green;
swatch->priv->color.blue = color->blue;
swatch->priv->color.alpha = color->alpha;
gtk_widget_queue_draw (GTK_WIDGET (swatch));
g_object_notify (G_OBJECT (swatch), "color");
}
gboolean
gtk_color_swatch_get_color (GtkColorSwatch *swatch,
GdkRGBA *color)
{
if (swatch->priv->has_color)
{
color->red = swatch->priv->color.red;
color->green = swatch->priv->color.green;
color->blue = swatch->priv->color.blue;
color->alpha = swatch->priv->color.alpha;
return TRUE;
}
else
{
color->red = 1.0;
color->green = 1.0;
color->blue = 1.0;
color->alpha = 1.0;
return FALSE;
}
}
void
gtk_color_swatch_set_corner_radii (GtkColorSwatch *swatch,
gdouble top_left,
gdouble top_right,
gdouble bottom_right,
gdouble bottom_left)
{
swatch->priv->radius[0] = top_left;
swatch->priv->radius[1] = top_right;
swatch->priv->radius[2] = bottom_right;
swatch->priv->radius[3] = bottom_left;
gtk_widget_queue_draw (GTK_WIDGET (swatch));
}
void
gtk_color_swatch_set_selected (GtkColorSwatch *swatch,
gboolean selected)
{
if (swatch->priv->selected != selected)
{
swatch->priv->selected = selected;
gtk_widget_queue_draw (GTK_WIDGET (swatch));
g_object_notify (G_OBJECT (swatch), "selected");
}
}
void
gtk_color_swatch_set_icon (GtkColorSwatch *swatch,
const gchar *icon)
{
swatch->priv->icon = g_strdup (icon);
gtk_widget_queue_draw (GTK_WIDGET (swatch));
}
void
gtk_color_swatch_set_can_drop (GtkColorSwatch *swatch,
gboolean can_drop)
{
static const GtkTargetEntry targets[] = {
{ "application/x-color", 0 }
};
if (!swatch->priv->can_drop)
gtk_drag_dest_set (GTK_WIDGET (swatch),
GTK_DEST_DEFAULT_HIGHLIGHT |
GTK_DEST_DEFAULT_MOTION |
GTK_DEST_DEFAULT_DROP,
targets, 1,
GDK_ACTION_COPY);
swatch->priv->can_drop = can_drop;
}
/* vim:set foldmethod=marker: */

88
gtk/gtkcolorswatch.h Normal file
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@ -0,0 +1,88 @@
/* GTK - The GIMP Toolkit
* Copyright (C) 2012 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#ifndef __GTK_COLOR_SWATCH_H__
#define __GTK_COLOR_SWATCH_H__
#include <gtk/gtkdrawingarea.h>
G_BEGIN_DECLS
#define GTK_TYPE_COLOR_SWATCH (gtk_color_swatch_get_type ())
#define GTK_COLOR_SWATCH(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_COLOR_SWATCH, GtkColorSwatch))
#define GTK_COLOR_SWATCH_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_COLOR_SWATCH, GtkColorSwatchClass))
#define GTK_IS_COLOR_SWATCH(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_COLOR_SWATCH))
#define GTK_IS_COLOR_SWATCH_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_COLOR_SWATCH))
#define GTK_COLOR_SWATCH_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_COLOR_SWATCH, GtkColorSwatchClass))
typedef struct _GtkColorSwatch GtkColorSwatch;
typedef struct _GtkColorSwatchClass GtkColorSwatchClass;
typedef struct _GtkColorSwatchPrivate GtkColorSwatchPrivate;
struct _GtkColorSwatch
{
GtkDrawingArea parent;
/*< private >*/
GtkColorSwatchPrivate *priv;
};
struct _GtkColorSwatchClass
{
GtkDrawingAreaClass parent_class;
void ( * activate) (GtkColorSwatch *swatch);
void ( * customize) (GtkColorSwatch *swatch);
/* Padding for future expansion */
void (*_gtk_reserved1) (void);
void (*_gtk_reserved2) (void);
void (*_gtk_reserved3) (void);
void (*_gtk_reserved4) (void);
};
GType gtk_color_swatch_get_type (void) G_GNUC_CONST;
GtkWidget * gtk_color_swatch_new (void);
void gtk_color_swatch_set_corner_radii (GtkColorSwatch *swatch,
gdouble top_left,
gdouble top_right,
gdouble bottom_right,
gdouble bottom_left);
void gtk_color_swatch_set_color (GtkColorSwatch *swatch,
const GdkRGBA *color);
gboolean gtk_color_swatch_get_color (GtkColorSwatch *swatch,
GdkRGBA *color);
void gtk_color_swatch_set_selected (GtkColorSwatch *swatch,
gboolean selected);
void gtk_color_swatch_set_can_drop (GtkColorSwatch *swatch,
gboolean can_drop);
void gtk_color_swatch_set_icon (GtkColorSwatch *swatch,
const gchar *icon);
G_END_DECLS
#endif /* __GTK_COLOR_SWATCH_H__ */

13
gtk/org.gtk.Settings.ColorChooser.gschema.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<schemalist>
<schema id='org.gtk.Settings.ColorChooser'>
<key name='custom-colors' type='a(dddd)'>
<default>[]</default>
</key>
<key name='selected-color' type='(bdddd)'>
<default>(false,1.0,1.0,1.0,1.0)</default>
</key>
</schema>
</schemalist>