2 * (GLABELS) Label and Business Card Creation program for GNOME
4 * wdgt_bc_props.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
25 #include "wdgt-bc-props.h"
30 #define RED(x) ( ((x)>>24) & 0xff )
31 #define GREEN(x) ( ((x)>>16) & 0xff )
32 #define BLUE(x) ( ((x)>>8) & 0xff )
33 #define ALPHA(x) ( (x) & 0xff )
35 /*===========================================*/
37 /*===========================================*/
44 typedef void (*glWdgtBCPropsSignal) (GObject * object, gpointer data);
46 /*===========================================*/
48 /*===========================================*/
50 static GtkContainerClass *parent_class;
52 static gint wdgt_bc_props_signals[LAST_SIGNAL] = { 0 };
54 /*===========================================*/
55 /* Local function prototypes */
56 /*===========================================*/
58 static void gl_wdgt_bc_props_class_init (glWdgtBCPropsClass * class);
59 static void gl_wdgt_bc_props_instance_init (glWdgtBCProps * prop);
60 static void gl_wdgt_bc_props_finalize (GObject * object);
61 static void gl_wdgt_bc_props_construct (glWdgtBCProps * prop, gchar * label);
62 static void changed_cb (glWdgtBCProps * prop);
64 /*================================================================*/
65 /* Boilerplate Object stuff. */
66 /*================================================================*/
68 gl_wdgt_bc_props_get_type (void)
70 static guint wdgt_bc_props_type = 0;
72 if (!wdgt_bc_props_type) {
73 GTypeInfo wdgt_bc_props_info = {
74 sizeof (glWdgtBCPropsClass),
77 (GClassInitFunc) gl_wdgt_bc_props_class_init,
80 sizeof (glWdgtBCProps),
82 (GInstanceInitFunc) gl_wdgt_bc_props_instance_init,
86 g_type_register_static (gtk_vbox_get_type (),
87 "glWdgtBCProps", &wdgt_bc_props_info, 0);
90 return wdgt_bc_props_type;
94 gl_wdgt_bc_props_class_init (glWdgtBCPropsClass * class)
96 GObjectClass *object_class;
98 object_class = (GObjectClass *) class;
100 parent_class = gtk_type_class (gtk_vbox_get_type ());
102 object_class->finalize = gl_wdgt_bc_props_finalize;
104 wdgt_bc_props_signals[CHANGED] =
105 g_signal_new ("changed",
106 G_OBJECT_CLASS_TYPE(object_class),
108 G_STRUCT_OFFSET (glWdgtBCPropsClass, changed),
110 gl_marshal_VOID__VOID,
116 gl_wdgt_bc_props_instance_init (glWdgtBCProps * prop)
118 prop->scale_spin = NULL;
119 prop->color_picker = NULL;
123 gl_wdgt_bc_props_finalize (GObject * object)
126 glWdgtBCPropsClass *class;
128 g_return_if_fail (object != NULL);
129 g_return_if_fail (GL_IS_WDGT_BC_PROPS (object));
131 prop = GL_WDGT_BC_PROPS (object);
133 G_OBJECT_CLASS (parent_class)->finalize (object);
137 gl_wdgt_bc_props_new (gchar * label)
141 prop = g_object_new (gl_wdgt_bc_props_get_type (), NULL);
143 gl_wdgt_bc_props_construct (prop, label);
145 return GTK_WIDGET (prop);
148 /*============================================================*/
149 /* Construct composite widget. */
150 /*============================================================*/
152 gl_wdgt_bc_props_construct (glWdgtBCProps * prop,
155 GtkWidget *wvbox, *wframe, *wtable, *wlabel;
158 wvbox = GTK_WIDGET (prop);
160 wframe = gtk_frame_new (label);
161 gtk_box_pack_start (GTK_BOX (wvbox), wframe, FALSE, FALSE, 0);
163 wtable = gtk_table_new (2, 3, TRUE);
164 gtk_container_set_border_width (GTK_CONTAINER (wtable), 10);
165 gtk_table_set_row_spacings (GTK_TABLE (wtable), 5);
166 gtk_table_set_col_spacings (GTK_TABLE (wtable), 5);
167 gtk_container_add (GTK_CONTAINER (wframe), wtable);
170 wlabel = gtk_label_new (_("Scale:"));
171 gtk_misc_set_alignment (GTK_MISC (wlabel), 0, 0.5);
172 gtk_label_set_justify (GTK_LABEL (wlabel), GTK_JUSTIFY_RIGHT);
173 gtk_table_attach_defaults (GTK_TABLE (wtable), wlabel, 0, 1, 0, 1);
175 adjust = gtk_adjustment_new (100.0, 50.0, 200.0, 10.0, 10.0, 10.0);
177 gtk_spin_button_new (GTK_ADJUSTMENT (adjust), 10.0, 0);
178 g_signal_connect_swapped (G_OBJECT (prop->scale_spin), "changed",
179 G_CALLBACK (changed_cb),
181 gtk_table_attach_defaults (GTK_TABLE (wtable), prop->scale_spin, 1, 2,
184 wlabel = gtk_label_new (_("%"));
185 gtk_misc_set_alignment (GTK_MISC (wlabel), 0, 0.5);
186 gtk_label_set_justify (GTK_LABEL (wlabel), GTK_JUSTIFY_RIGHT);
187 gtk_table_attach_defaults (GTK_TABLE (wtable), wlabel, 2, 3, 0, 1);
189 /* Line Color Label */
190 wlabel = gtk_label_new (_("Color:"));
191 gtk_misc_set_alignment (GTK_MISC (wlabel), 0, 0.5);
192 gtk_label_set_justify (GTK_LABEL (wlabel), GTK_JUSTIFY_RIGHT);
193 gtk_table_attach_defaults (GTK_TABLE (wtable), wlabel, 0, 1, 1, 2);
194 /* Line Color picker widget */
195 prop->color_picker = gnome_color_picker_new ();
196 g_signal_connect_swapped (G_OBJECT (prop->color_picker), "color_set",
197 G_CALLBACK (changed_cb),
199 gtk_table_attach_defaults (GTK_TABLE (wtable), prop->color_picker, 1, 3,
203 /*--------------------------------------------------------------------------*/
204 /* PRIVATE. Callback for when any control in the widget has changed. */
205 /*--------------------------------------------------------------------------*/
207 changed_cb (glWdgtBCProps * prop)
209 /* Emit our "changed" signal */
210 g_signal_emit (G_OBJECT (prop), wdgt_bc_props_signals[CHANGED], 0);
213 /*====================================================================*/
214 /* query values from controls. */
215 /*====================================================================*/
217 gl_wdgt_bc_props_get_params (glWdgtBCProps * prop,
223 /* ------- Get updated scale ------ */
225 gtk_spin_button_get_value (GTK_SPIN_BUTTON(prop->scale_spin));
228 /* ------- Get updated line color ------ */
229 gnome_color_picker_get_i8 (GNOME_COLOR_PICKER (prop->color_picker),
231 *color = GNOME_CANVAS_COLOR_A (r, g, b, a);
235 /*====================================================================*/
236 /* fill in values and ranges for controls. */
237 /*====================================================================*/
239 gl_wdgt_bc_props_set_params (glWdgtBCProps * prop,
244 gtk_spin_button_set_value (GTK_SPIN_BUTTON (prop->scale_spin), scale);
246 gnome_color_picker_set_i8 (GNOME_COLOR_PICKER (prop->color_picker),
247 RED (color), GREEN (color), BLUE (color),