2 * (GLABELS) Label and Business Card Creation program for GNOME
4 * prop_bc.c: barcode 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
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 (*glPropBCSignal) (GtkObject * object, gpointer data);
45 /*===========================================*/
47 /*===========================================*/
49 static GtkContainerClass *parent_class;
51 static gint prop_bc_signals[LAST_SIGNAL] = { 0 };
53 /*===========================================*/
54 /* Local function prototypes */
55 /*===========================================*/
57 static void gl_prop_bc_class_init (glPropBCClass * class);
58 static void gl_prop_bc_init (glPropBC * prop);
59 static void gl_prop_bc_destroy (GtkObject * object);
60 static void gl_prop_bc_construct (glPropBC * prop, gchar * label);
61 static void changed_cb (glPropBC * prop);
63 /*================================================================*/
64 /* Boilerplate Object stuff. */
65 /*================================================================*/
67 gl_prop_bc_get_type (void)
69 static guint prop_bc_type = 0;
72 GtkTypeInfo prop_bc_info = {
75 sizeof (glPropBCClass),
76 (GtkClassInitFunc) gl_prop_bc_class_init,
77 (GtkObjectInitFunc) gl_prop_bc_init,
82 prop_bc_type = gtk_type_unique (gtk_vbox_get_type (),
90 gl_prop_bc_class_init (glPropBCClass * 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_bc_destroy;
102 prop_bc_signals[CHANGED] =
103 gtk_signal_new ("changed", GTK_RUN_LAST, object_class->type,
104 GTK_SIGNAL_OFFSET (glPropBCClass, changed),
105 gtk_signal_default_marshaller, GTK_TYPE_NONE, 0);
106 gtk_object_class_add_signals (object_class, prop_bc_signals,
109 class->changed = NULL;
113 gl_prop_bc_init (glPropBC * prop)
115 prop->scale_spin = NULL;
116 prop->color_picker = NULL;
120 gl_prop_bc_destroy (GtkObject * object)
123 glPropBCClass *class;
125 g_return_if_fail (object != NULL);
126 g_return_if_fail (GL_IS_PROP_BC (object));
128 prop = GL_PROP_BC (object);
129 class = GL_PROP_BC_CLASS (GTK_OBJECT (prop)->klass);
131 GTK_OBJECT_CLASS (parent_class)->destroy (object);
135 gl_prop_bc_new (gchar * label)
139 prop = gtk_type_new (gl_prop_bc_get_type ());
141 gl_prop_bc_construct (prop, label);
143 return GTK_WIDGET (prop);
146 /*============================================================*/
147 /* Construct composite widget. */
148 /*============================================================*/
150 gl_prop_bc_construct (glPropBC * prop,
153 GtkWidget *wvbox, *wframe, *wtable, *wlabel;
156 wvbox = GTK_WIDGET (prop);
158 wframe = gtk_frame_new (label);
159 gtk_box_pack_start (GTK_BOX (wvbox), wframe, FALSE, FALSE, 0);
161 wtable = gtk_table_new (2, 3, TRUE);
162 gtk_container_set_border_width (GTK_CONTAINER (wtable), 10);
163 gtk_table_set_row_spacings (GTK_TABLE (wtable), 5);
164 gtk_table_set_col_spacings (GTK_TABLE (wtable), 5);
165 gtk_container_add (GTK_CONTAINER (wframe), wtable);
168 wlabel = gtk_label_new (_("Scale:"));
169 gtk_misc_set_alignment (GTK_MISC (wlabel), 0, 0.5);
170 gtk_label_set_justify (GTK_LABEL (wlabel), GTK_JUSTIFY_RIGHT);
171 gtk_table_attach_defaults (GTK_TABLE (wtable), wlabel, 0, 1, 0, 1);
173 adjust = gtk_adjustment_new (100.0, 50.0, 200.0, 10.0, 10.0, 10.0);
175 gtk_spin_button_new (GTK_ADJUSTMENT (adjust), 10.0, 0);
176 gtk_signal_connect_object (GTK_OBJECT (prop->scale_spin), "changed",
177 GTK_SIGNAL_FUNC (changed_cb),
179 gtk_table_attach_defaults (GTK_TABLE (wtable), prop->scale_spin, 1, 2,
182 wlabel = gtk_label_new (_("%"));
183 gtk_misc_set_alignment (GTK_MISC (wlabel), 0, 0.5);
184 gtk_label_set_justify (GTK_LABEL (wlabel), GTK_JUSTIFY_RIGHT);
185 gtk_table_attach_defaults (GTK_TABLE (wtable), wlabel, 2, 3, 0, 1);
187 /* Line Color Label */
188 wlabel = gtk_label_new (_("Color:"));
189 gtk_misc_set_alignment (GTK_MISC (wlabel), 0, 0.5);
190 gtk_label_set_justify (GTK_LABEL (wlabel), GTK_JUSTIFY_RIGHT);
191 gtk_table_attach_defaults (GTK_TABLE (wtable), wlabel, 0, 1, 1, 2);
192 /* Line Color picker widget */
193 prop->color_picker = gnome_color_picker_new ();
194 gtk_signal_connect_object (GTK_OBJECT (prop->color_picker), "color_set",
195 GTK_SIGNAL_FUNC (changed_cb),
197 gtk_table_attach_defaults (GTK_TABLE (wtable), prop->color_picker, 1, 3,
201 /*--------------------------------------------------------------------------*/
202 /* PRIVATE. Callback for when any control in the widget has changed. */
203 /*--------------------------------------------------------------------------*/
205 changed_cb (glPropBC * prop)
207 /* Emit our "changed" signal */
208 gtk_signal_emit (GTK_OBJECT (prop), prop_bc_signals[CHANGED]);
211 /*====================================================================*/
212 /* query values from controls. */
213 /*====================================================================*/
215 gl_prop_bc_get_params (glPropBC * prop,
221 /* ------- Get updated scale ------ */
223 gtk_spin_button_get_value_as_float (GTK_SPIN_BUTTON
227 /* ------- Get updated line color ------ */
228 gnome_color_picker_get_i8 (GNOME_COLOR_PICKER (prop->color_picker),
230 *color = GNOME_CANVAS_COLOR_A (r, g, b, a);
234 /*====================================================================*/
235 /* fill in values and ranges for controls. */
236 /*====================================================================*/
238 gl_prop_bc_set_params (glPropBC * prop,
243 gtk_spin_button_set_value (GTK_SPIN_BUTTON (prop->scale_spin), scale);
245 gnome_color_picker_set_i8 (GNOME_COLOR_PICKER (prop->color_picker),
246 RED (color), GREEN (color), BLUE (color),