2 * (GLABELS) Label and Business Card Creation program for GNOME
4 * prop_fill.c: fill properties widget module
6 * Copyright (C) 2001-2002 Jim Evins <evins@snaught.com>.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #include "prop_fill.h"
29 #define RED(x) ( ((x)>>24) & 0xff )
30 #define GREEN(x) ( ((x)>>16) & 0xff )
31 #define BLUE(x) ( ((x)>>8) & 0xff )
32 #define ALPHA(x) ( (x) & 0xff )
34 /*===========================================*/
36 /*===========================================*/
43 typedef void (*glPropFillSignal) (GtkObject * object, gpointer data);
45 /*===========================================*/
47 /*===========================================*/
49 static GtkContainerClass *parent_class;
51 static gint prop_fill_signals[LAST_SIGNAL] = { 0 };
53 /*===========================================*/
54 /* Local function prototypes */
55 /*===========================================*/
57 static void gl_prop_fill_class_init (glPropFillClass * class);
58 static void gl_prop_fill_init (glPropFill * fill);
59 static void gl_prop_fill_destroy (GtkObject * object);
60 static void gl_prop_fill_construct (glPropFill * fill, gchar * label);
61 static void changed_cb (glPropFill * fill);
63 /*================================================================*/
64 /* Boilerplate Object stuff. */
65 /*================================================================*/
67 gl_prop_fill_get_type (void)
69 static guint prop_fill_type = 0;
71 if (!prop_fill_type) {
72 GtkTypeInfo prop_fill_info = {
75 sizeof (glPropFillClass),
76 (GtkClassInitFunc) gl_prop_fill_class_init,
77 (GtkObjectInitFunc) gl_prop_fill_init,
83 gtk_type_unique (gtk_vbox_get_type (), &prop_fill_info);
86 return prop_fill_type;
90 gl_prop_fill_class_init (glPropFillClass * class)
92 GtkObjectClass *object_class;
93 GtkWidgetClass *widget_class;
95 object_class = (GtkObjectClass *) class;
96 widget_class = (GtkWidgetClass *) class;
98 parent_class = gtk_type_class (gtk_vbox_get_type ());
100 object_class->destroy = gl_prop_fill_destroy;
102 prop_fill_signals[CHANGED] =
103 gtk_signal_new ("changed", GTK_RUN_LAST, object_class->type,
104 GTK_SIGNAL_OFFSET (glPropFillClass, changed),
105 gtk_signal_default_marshaller, GTK_TYPE_NONE, 0);
106 gtk_object_class_add_signals (object_class, prop_fill_signals,
109 class->changed = NULL;
113 gl_prop_fill_init (glPropFill * fill)
115 fill->color_picker = NULL;
119 gl_prop_fill_destroy (GtkObject * object)
122 glPropFillClass *class;
124 g_return_if_fail (object != NULL);
125 g_return_if_fail (GL_IS_PROP_FILL (object));
127 fill = GL_PROP_FILL (object);
128 class = GL_PROP_FILL_CLASS (GTK_OBJECT (fill)->klass);
130 GTK_OBJECT_CLASS (parent_class)->destroy (object);
134 gl_prop_fill_new (gchar * label)
138 fill = gtk_type_new (gl_prop_fill_get_type ());
140 gl_prop_fill_construct (fill, label);
142 return GTK_WIDGET (fill);
145 /*============================================================*/
146 /* Construct composite widget. */
147 /*============================================================*/
149 gl_prop_fill_construct (glPropFill * fill,
152 GtkWidget *wvbox, *wframe, *wtable, *wlabel;
154 wvbox = GTK_WIDGET (fill);
156 wframe = gtk_frame_new (label);
157 gtk_box_pack_start (GTK_BOX (wvbox), wframe, FALSE, FALSE, 0);
159 wtable = gtk_table_new (1, 3, TRUE);
160 gtk_container_set_border_width (GTK_CONTAINER (wtable), 10);
161 gtk_table_set_row_spacings (GTK_TABLE (wtable), 5);
162 gtk_table_set_col_spacings (GTK_TABLE (wtable), 5);
163 gtk_container_add (GTK_CONTAINER (wframe), wtable);
165 /* Fill Color Label */
166 wlabel = gtk_label_new (_("Color:"));
167 gtk_misc_set_alignment (GTK_MISC (wlabel), 0, 0.5);
168 gtk_label_set_justify (GTK_LABEL (wlabel), GTK_JUSTIFY_RIGHT);
169 gtk_table_attach_defaults (GTK_TABLE (wtable), wlabel, 0, 1, 0, 1);
171 /* Fill Color picker widget */
172 fill->color_picker = gnome_color_picker_new ();
173 gtk_signal_connect_object (GTK_OBJECT (fill->color_picker), "color_set",
174 GTK_SIGNAL_FUNC (changed_cb),
176 gtk_table_attach_defaults (GTK_TABLE (wtable), fill->color_picker, 1, 3,
181 /*--------------------------------------------------------------------------*/
182 /* PRIVATE. Callback for when any control in the widget has changed. */
183 /*--------------------------------------------------------------------------*/
185 changed_cb (glPropFill * fill)
187 /* Emit our "changed" signal */
188 gtk_signal_emit (GTK_OBJECT (fill), prop_fill_signals[CHANGED]);
191 /*====================================================================*/
192 /* query values from controls. */
193 /*====================================================================*/
195 gl_prop_fill_get_params (glPropFill * fill,
200 gnome_color_picker_get_i8 (GNOME_COLOR_PICKER (fill->color_picker),
202 *color = GNOME_CANVAS_COLOR_A (r, g, b, a);
205 /*====================================================================*/
206 /* fill in values and ranges for controls. */
207 /*====================================================================*/
209 gl_prop_fill_set_params (glPropFill * fill,
212 gnome_color_picker_set_i8 (GNOME_COLOR_PICKER (fill->color_picker),
213 RED (color), GREEN (color), BLUE (color),