1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 2012 Red Hat, Inc.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18 #include "config.h"
19
20 #include "gtkdialog.h"
21 #include "gtkdialogprivate.h"
22 #include "gtkbutton.h"
23 #include "gtkbox.h"
24 #include "gtkprivate.h"
25 #include "gtkintl.h"
26 #include "gtksettings.h"
27
28 #include "gtkcolorchooserprivate.h"
29 #include "gtkcolorchooserdialog.h"
30 #include "gtkcolorchooserwidget.h"
31
32 /**
33 * SECTION:gtkcolorchooserdialog
34 * @Short_description: A dialog for choosing colors
35 * @Title: GtkColorChooserDialog
36 * @See_also: #GtkColorChooser, #GtkDialog
37 *
38 * The #GtkColorChooserDialog widget is a dialog for choosing
39 * a color. It implements the #GtkColorChooser interface.
40 *
41 * Since: 3.4
42 */
43
44 struct _GtkColorChooserDialogPrivate
45 {
46 GtkWidget *chooser;
47 };
48
49 enum
50 {
51 PROP_ZERO,
52 PROP_RGBA,
53 PROP_USE_ALPHA,
54 PROP_SHOW_EDITOR
55 };
56
57 static void gtk_color_chooser_dialog_iface_init (GtkColorChooserInterface *iface);
58
G_DEFINE_TYPE_WITH_CODE(GtkColorChooserDialog,gtk_color_chooser_dialog,GTK_TYPE_DIALOG,G_ADD_PRIVATE (GtkColorChooserDialog)G_IMPLEMENT_INTERFACE (GTK_TYPE_COLOR_CHOOSER,gtk_color_chooser_dialog_iface_init))59 G_DEFINE_TYPE_WITH_CODE (GtkColorChooserDialog, gtk_color_chooser_dialog, GTK_TYPE_DIALOG,
60 G_ADD_PRIVATE (GtkColorChooserDialog)
61 G_IMPLEMENT_INTERFACE (GTK_TYPE_COLOR_CHOOSER,
62 gtk_color_chooser_dialog_iface_init))
63
64 static void
65 propagate_notify (GObject *o,
66 GParamSpec *pspec,
67 GtkColorChooserDialog *cc)
68 {
69 g_object_notify (G_OBJECT (cc), pspec->name);
70 }
71
72 static void
save_color(GtkColorChooserDialog * dialog)73 save_color (GtkColorChooserDialog *dialog)
74 {
75 GdkRGBA color;
76
77 /* This causes the color chooser widget to save the
78 * selected and custom colors to GSettings.
79 */
80 gtk_color_chooser_get_rgba (GTK_COLOR_CHOOSER (dialog), &color);
81 gtk_color_chooser_set_rgba (GTK_COLOR_CHOOSER (dialog), &color);
82 }
83
84 static void
color_activated_cb(GtkColorChooser * chooser,GdkRGBA * color,GtkDialog * dialog)85 color_activated_cb (GtkColorChooser *chooser,
86 GdkRGBA *color,
87 GtkDialog *dialog)
88 {
89 save_color (GTK_COLOR_CHOOSER_DIALOG (dialog));
90 gtk_dialog_response (dialog, GTK_RESPONSE_OK);
91 }
92
93 static void
gtk_color_chooser_dialog_response(GtkDialog * dialog,gint response_id,gpointer user_data)94 gtk_color_chooser_dialog_response (GtkDialog *dialog,
95 gint response_id,
96 gpointer user_data)
97 {
98 if (response_id == GTK_RESPONSE_OK)
99 save_color (GTK_COLOR_CHOOSER_DIALOG (dialog));
100 }
101
102 static void
gtk_color_chooser_dialog_init(GtkColorChooserDialog * cc)103 gtk_color_chooser_dialog_init (GtkColorChooserDialog *cc)
104 {
105 cc->priv = gtk_color_chooser_dialog_get_instance_private (cc);
106
107 gtk_widget_init_template (GTK_WIDGET (cc));
108 gtk_dialog_set_use_header_bar_from_setting (GTK_DIALOG (cc));
109
110 G_GNUC_BEGIN_IGNORE_DEPRECATIONS
111 gtk_dialog_set_alternative_button_order (GTK_DIALOG (cc),
112 GTK_RESPONSE_OK,
113 GTK_RESPONSE_CANCEL,
114 -1);
115 G_GNUC_END_IGNORE_DEPRECATIONS
116
117 g_signal_connect (cc, "response",
118 G_CALLBACK (gtk_color_chooser_dialog_response), NULL);
119 }
120
121 static void
gtk_color_chooser_dialog_unmap(GtkWidget * widget)122 gtk_color_chooser_dialog_unmap (GtkWidget *widget)
123 {
124 GTK_WIDGET_CLASS (gtk_color_chooser_dialog_parent_class)->unmap (widget);
125
126 /* We never want the dialog to come up with the editor,
127 * even if it was showing the editor the last time it was used.
128 */
129 g_object_set (widget, "show-editor", FALSE, NULL);
130 }
131
132 static void
gtk_color_chooser_dialog_get_property(GObject * object,guint prop_id,GValue * value,GParamSpec * pspec)133 gtk_color_chooser_dialog_get_property (GObject *object,
134 guint prop_id,
135 GValue *value,
136 GParamSpec *pspec)
137 {
138 GtkColorChooserDialog *cd = GTK_COLOR_CHOOSER_DIALOG (object);
139 GtkColorChooser *cc = GTK_COLOR_CHOOSER (object);
140
141 switch (prop_id)
142 {
143 case PROP_RGBA:
144 {
145 GdkRGBA color;
146
147 gtk_color_chooser_get_rgba (cc, &color);
148 g_value_set_boxed (value, &color);
149 }
150 break;
151 case PROP_USE_ALPHA:
152 g_value_set_boolean (value, gtk_color_chooser_get_use_alpha (GTK_COLOR_CHOOSER (cd->priv->chooser)));
153 break;
154 case PROP_SHOW_EDITOR:
155 {
156 gboolean show_editor;
157 g_object_get (cd->priv->chooser, "show-editor", &show_editor, NULL);
158 g_value_set_boolean (value, show_editor);
159 }
160 break;
161 default:
162 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
163 break;
164 }
165 }
166
167 static void
gtk_color_chooser_dialog_set_property(GObject * object,guint prop_id,const GValue * value,GParamSpec * pspec)168 gtk_color_chooser_dialog_set_property (GObject *object,
169 guint prop_id,
170 const GValue *value,
171 GParamSpec *pspec)
172 {
173 GtkColorChooserDialog *cd = GTK_COLOR_CHOOSER_DIALOG (object);
174 GtkColorChooser *cc = GTK_COLOR_CHOOSER (object);
175
176 switch (prop_id)
177 {
178 case PROP_RGBA:
179 gtk_color_chooser_set_rgba (cc, g_value_get_boxed (value));
180 break;
181 case PROP_USE_ALPHA:
182 if (gtk_color_chooser_get_use_alpha (GTK_COLOR_CHOOSER (cd->priv->chooser)) != g_value_get_boolean (value))
183 {
184 gtk_color_chooser_set_use_alpha (GTK_COLOR_CHOOSER (cd->priv->chooser), g_value_get_boolean (value));
185 g_object_notify_by_pspec (object, pspec);
186 }
187 break;
188 case PROP_SHOW_EDITOR:
189 g_object_set (cd->priv->chooser,
190 "show-editor", g_value_get_boolean (value),
191 NULL);
192 break;
193 default:
194 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
195 break;
196 }
197 }
198
199 static void
gtk_color_chooser_dialog_class_init(GtkColorChooserDialogClass * class)200 gtk_color_chooser_dialog_class_init (GtkColorChooserDialogClass *class)
201 {
202 GObjectClass *object_class = G_OBJECT_CLASS (class);
203 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
204
205 object_class->get_property = gtk_color_chooser_dialog_get_property;
206 object_class->set_property = gtk_color_chooser_dialog_set_property;
207
208 widget_class->unmap = gtk_color_chooser_dialog_unmap;
209
210 g_object_class_override_property (object_class, PROP_RGBA, "rgba");
211 g_object_class_override_property (object_class, PROP_USE_ALPHA, "use-alpha");
212 g_object_class_install_property (object_class, PROP_SHOW_EDITOR,
213 g_param_spec_boolean ("show-editor", P_("Show editor"), P_("Show editor"),
214 FALSE, GTK_PARAM_READWRITE));
215
216 /* Bind class to template
217 */
218 gtk_widget_class_set_template_from_resource (widget_class,
219 "/org/gtk/libgtk/ui/gtkcolorchooserdialog.ui");
220 gtk_widget_class_bind_template_child_private (widget_class, GtkColorChooserDialog, chooser);
221 gtk_widget_class_bind_template_callback (widget_class, propagate_notify);
222 gtk_widget_class_bind_template_callback (widget_class, color_activated_cb);
223 }
224
225 static void
gtk_color_chooser_dialog_get_rgba(GtkColorChooser * chooser,GdkRGBA * color)226 gtk_color_chooser_dialog_get_rgba (GtkColorChooser *chooser,
227 GdkRGBA *color)
228 {
229 GtkColorChooserDialog *cc = GTK_COLOR_CHOOSER_DIALOG (chooser);
230
231 gtk_color_chooser_get_rgba (GTK_COLOR_CHOOSER (cc->priv->chooser), color);
232 }
233
234 static void
gtk_color_chooser_dialog_set_rgba(GtkColorChooser * chooser,const GdkRGBA * color)235 gtk_color_chooser_dialog_set_rgba (GtkColorChooser *chooser,
236 const GdkRGBA *color)
237 {
238 GtkColorChooserDialog *cc = GTK_COLOR_CHOOSER_DIALOG (chooser);
239
240 gtk_color_chooser_set_rgba (GTK_COLOR_CHOOSER (cc->priv->chooser), color);
241 }
242
243 static void
gtk_color_chooser_dialog_add_palette(GtkColorChooser * chooser,GtkOrientation orientation,gint colors_per_line,gint n_colors,GdkRGBA * colors)244 gtk_color_chooser_dialog_add_palette (GtkColorChooser *chooser,
245 GtkOrientation orientation,
246 gint colors_per_line,
247 gint n_colors,
248 GdkRGBA *colors)
249 {
250 GtkColorChooserDialog *cc = GTK_COLOR_CHOOSER_DIALOG (chooser);
251
252 gtk_color_chooser_add_palette (GTK_COLOR_CHOOSER (cc->priv->chooser),
253 orientation, colors_per_line, n_colors, colors);
254 }
255
256 static void
gtk_color_chooser_dialog_iface_init(GtkColorChooserInterface * iface)257 gtk_color_chooser_dialog_iface_init (GtkColorChooserInterface *iface)
258 {
259 iface->get_rgba = gtk_color_chooser_dialog_get_rgba;
260 iface->set_rgba = gtk_color_chooser_dialog_set_rgba;
261 iface->add_palette = gtk_color_chooser_dialog_add_palette;
262 }
263
264 /**
265 * gtk_color_chooser_dialog_new:
266 * @title: (allow-none): Title of the dialog, or %NULL
267 * @parent: (allow-none): Transient parent of the dialog, or %NULL
268 *
269 * Creates a new #GtkColorChooserDialog.
270 *
271 * Returns: a new #GtkColorChooserDialog
272 *
273 * Since: 3.4
274 */
275 GtkWidget *
gtk_color_chooser_dialog_new(const gchar * title,GtkWindow * parent)276 gtk_color_chooser_dialog_new (const gchar *title,
277 GtkWindow *parent)
278 {
279 GtkColorChooserDialog *dialog;
280
281 dialog = g_object_new (GTK_TYPE_COLOR_CHOOSER_DIALOG,
282 "title", title,
283 "transient-for", parent,
284 NULL);
285
286 return GTK_WIDGET (dialog);
287 }
288