1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- */
4 * (GLABELS) Label and Business Card Creation program for GNOME
6 * view_barcode.c: GLabels label barcode object view
8 * Copyright (C) 2001-2007 Jim Evins <evins@snaught.com>.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 #include "view-barcode.h"
28 #include <glib/gi18n.h>
29 #include <glib/gmem.h>
32 #include "object-editor.h"
35 #include "pixmaps/cursor_barcode.xbm"
36 #include "pixmaps/cursor_barcode_mask.xbm"
40 /*========================================================*/
41 /* Private macros and constants. */
42 /*========================================================*/
44 /*========================================================*/
46 /*========================================================*/
48 struct _glViewBarcodePrivate {
49 int place_holder; /* Place holder for future private data. */
52 /*========================================================*/
53 /* Private globals. */
54 /*========================================================*/
57 /*========================================================*/
58 /* Private function prototypes. */
59 /*========================================================*/
61 static void gl_view_barcode_finalize (GObject *object);
63 static GtkWidget *construct_properties_editor (glViewObject *view_object);
65 static void update_object_from_editor_cb (glObjectEditor *editor,
66 glLabelObject *object);
68 static void update_editor_from_object_cb (glLabelObject *object,
69 glObjectEditor *editor);
71 static void update_editor_from_move_cb (glLabelObject *object,
74 glObjectEditor *editor);
76 static gboolean object_at (glViewObject *view_object,
84 /*****************************************************************************/
85 /* Boilerplate object stuff. */
86 /*****************************************************************************/
87 G_DEFINE_TYPE (glViewBarcode, gl_view_barcode, GL_TYPE_VIEW_OBJECT);
91 gl_view_barcode_class_init (glViewBarcodeClass *class)
93 GObjectClass *object_class = G_OBJECT_CLASS (class);
94 glViewObjectClass *view_object_class = GL_VIEW_OBJECT_CLASS (class);
96 gl_debug (DEBUG_VIEW, "START");
98 gl_view_barcode_parent_class = g_type_class_peek_parent (class);
100 object_class->finalize = gl_view_barcode_finalize;
102 view_object_class->construct_editor = construct_properties_editor;
103 view_object_class->object_at = object_at;
105 gl_debug (DEBUG_VIEW, "END");
109 gl_view_barcode_init (glViewBarcode *view_barcode)
111 gl_debug (DEBUG_VIEW, "START");
113 view_barcode->priv = g_new0 (glViewBarcodePrivate, 1);
115 gl_debug (DEBUG_VIEW, "END");
119 gl_view_barcode_finalize (GObject *object)
121 glViewBarcode *view_barcode = GL_VIEW_BARCODE (object);
123 gl_debug (DEBUG_VIEW, "START");
125 g_return_if_fail (object && GL_IS_VIEW_BARCODE (object));
127 g_free (view_barcode->priv);
129 G_OBJECT_CLASS (gl_view_barcode_parent_class)->finalize (object);
131 gl_debug (DEBUG_VIEW, "END");
134 /*****************************************************************************/
135 /* NEW barcode object view. */
136 /*****************************************************************************/
138 gl_view_barcode_new (glLabelBarcode *object,
141 glViewBarcode *view_barcode;
143 gl_debug (DEBUG_VIEW, "START");
145 g_return_val_if_fail (object && GL_IS_LABEL_BARCODE (object), NULL);
146 g_return_val_if_fail (view && GL_IS_VIEW (view), NULL);
148 view_barcode = g_object_new (gl_view_barcode_get_type(), NULL);
150 gl_view_object_set_object (GL_VIEW_OBJECT(view_barcode),
151 GL_LABEL_OBJECT(object),
152 GL_VIEW_OBJECT_HANDLES_BOX);
153 gl_view_object_set_view (GL_VIEW_OBJECT(view_barcode), view);
155 gl_debug (DEBUG_VIEW, "END");
157 return GL_VIEW_OBJECT (view_barcode);
160 /*****************************************************************************/
161 /* Create a properties dialog for a barcode object. */
162 /*****************************************************************************/
164 construct_properties_editor (glViewObject *view_object)
167 glViewBarcode *view_bc = (glViewBarcode *)view_object;
168 glLabelObject *object;
170 gl_debug (DEBUG_VIEW, "START");
172 object = gl_view_object_get_object (GL_VIEW_OBJECT(view_bc));
175 editor = gl_object_editor_new (GL_STOCK_BARCODE, _("Barcode object properties"),
177 GL_OBJECT_EDITOR_POSITION_PAGE,
178 GL_OBJECT_EDITOR_SIZE_PAGE,
179 GL_OBJECT_EDITOR_BC_PAGE,
180 GL_OBJECT_EDITOR_DATA_PAGE,
184 update_editor_from_object_cb (object, GL_OBJECT_EDITOR(editor));
185 update_editor_from_move_cb (object, 0, 0, GL_OBJECT_EDITOR(editor));
187 /* Connect signals. */
188 g_signal_connect (G_OBJECT (editor), "changed",
189 G_CALLBACK(update_object_from_editor_cb), object);
190 g_signal_connect (G_OBJECT (object), "changed",
191 G_CALLBACK (update_editor_from_object_cb), editor);
192 g_signal_connect (G_OBJECT (object), "moved",
193 G_CALLBACK (update_editor_from_move_cb), editor);
195 gl_debug (DEBUG_VIEW, "END");
200 /*---------------------------------------------------------------------------*/
201 /* PRIVATE. editor "changed" callback. */
202 /*---------------------------------------------------------------------------*/
204 update_object_from_editor_cb (glObjectEditor *editor,
205 glLabelObject *object)
208 glTextNode *text_node;
210 gboolean text_flag, cs_flag;
211 glColorNode *color_node;
214 gl_debug (DEBUG_VIEW, "START");
216 g_signal_handlers_block_by_func (G_OBJECT(object),
217 update_editor_from_object_cb,
219 g_signal_handlers_block_by_func (G_OBJECT(object),
220 update_editor_from_move_cb,
224 gl_object_editor_get_position (editor, &x, &y);
225 gl_label_object_set_position (object, x, y);
227 gl_object_editor_get_size (editor, &w, &h);
228 gl_label_object_set_size (object, w, h);
230 text_node = gl_object_editor_get_data (editor);
231 gl_label_barcode_set_data (GL_LABEL_BARCODE(object), text_node);
232 gl_text_node_free (&text_node);
234 gl_object_editor_get_bc_style (editor, &id, &text_flag, &cs_flag, &format_digits);
235 color_node = gl_object_editor_get_bc_color (editor);
236 gl_label_barcode_set_props (GL_LABEL_BARCODE(object),
237 id, text_flag, cs_flag, format_digits);
238 gl_label_object_set_line_color (object, color_node);
239 gl_color_node_free (&color_node);
242 g_signal_handlers_unblock_by_func (G_OBJECT(object),
243 update_editor_from_object_cb,
245 g_signal_handlers_unblock_by_func (G_OBJECT(object),
246 update_editor_from_move_cb,
249 gl_debug (DEBUG_VIEW, "END");
252 /*---------------------------------------------------------------------------*/
253 /* PRIVATE. label object "changed" callback. */
254 /*---------------------------------------------------------------------------*/
256 update_editor_from_object_cb (glLabelObject *object,
257 glObjectEditor *editor)
260 glTextNode *text_node;
262 gboolean text_flag, cs_flag;
263 glColorNode *color_node;
267 gl_debug (DEBUG_VIEW, "START");
269 gl_label_object_get_size (object, &w, &h);
270 gl_object_editor_set_size (editor, w, h);
272 merge = gl_label_get_merge (GL_LABEL(object->parent));
274 gl_label_barcode_get_props (GL_LABEL_BARCODE(object),
275 &id, &text_flag, &cs_flag, &format_digits);
276 color_node = gl_label_object_get_line_color (object);
277 gl_object_editor_set_bc_style (editor, id, text_flag, cs_flag, format_digits);
278 gl_object_editor_set_bc_color (editor, (merge != NULL), color_node);
279 gl_color_node_free (&color_node);
282 text_node = gl_label_barcode_get_data (GL_LABEL_BARCODE(object));
283 gl_object_editor_set_data (editor, (merge != NULL), text_node);
284 gl_text_node_free (&text_node);
287 gl_debug (DEBUG_VIEW, "END");
290 /*---------------------------------------------------------------------------*/
291 /* PRIVATE. label object "moved" callback. */
292 /*---------------------------------------------------------------------------*/
294 update_editor_from_move_cb (glLabelObject *object,
297 glObjectEditor *editor)
301 gl_debug (DEBUG_VIEW, "START");
303 gl_label_object_get_position (object, &x, &y);
304 gl_object_editor_set_position (editor, x, y);
306 gl_debug (DEBUG_VIEW, "END");
309 /*****************************************************************************/
310 /* Is object at (x,y)? */
311 /*****************************************************************************/
313 object_at (glViewObject *view_object,
318 glLabelObject *object;
321 object = gl_view_object_get_object (view_object);
323 gl_label_object_get_size (object, &w, &h);
325 cairo_rectangle (cr, 0.0, 0.0, w, h);
327 if (cairo_in_fill (cr, x, y))
336 /*****************************************************************************/
337 /* Return apropos cursor for create object mode. */
338 /*****************************************************************************/
340 gl_view_barcode_get_create_cursor (void)
342 GdkCursor *cursor = NULL;
343 GdkPixmap *pixmap_data, *pixmap_mask;
344 GdkColor fg = { 0, 0, 0, 0 };
345 GdkColor bg = { 0, 65535, 65535, 65535 };
347 gl_debug (DEBUG_VIEW, "START");
349 pixmap_data = gdk_bitmap_create_from_data (NULL,
350 (gchar *)cursor_barcode_bits,
351 cursor_barcode_width,
352 cursor_barcode_height);
353 pixmap_mask = gdk_bitmap_create_from_data (NULL,
354 (gchar *)cursor_barcode_mask_bits,
355 cursor_barcode_mask_width,
356 cursor_barcode_mask_height);
357 cursor = gdk_cursor_new_from_pixmap (pixmap_data, pixmap_mask, &fg,
358 &bg, cursor_barcode_x_hot,
359 cursor_barcode_y_hot);
361 gl_debug (DEBUG_VIEW, "END");
366 /*****************************************************************************/
367 /* Object creation handler: button press event. */
368 /*****************************************************************************/
370 gl_view_barcode_create_button_press_event (glView *view,
375 glTextNode *text_node;
376 glColorNode *line_color_node;
378 gl_view_unselect_all (view);
380 line_color_node = gl_color_node_new_default ();
382 object = gl_label_barcode_new (view->label);
383 gl_label_object_set_position (GL_LABEL_OBJECT(object), x, y);
384 text_node = gl_text_node_new_from_text ("123456789");
385 gl_label_barcode_set_data (GL_LABEL_BARCODE(object), text_node);
386 line_color_node->color = gl_color_set_opacity (gl_view_get_default_line_color(view), 0.5);
387 gl_label_object_set_line_color (GL_LABEL_OBJECT(object),
390 gl_color_node_free (&line_color_node);
392 view->create_object = GL_LABEL_OBJECT (object);
397 /*****************************************************************************/
398 /* Object creation handler: motion event. */
399 /*****************************************************************************/
401 gl_view_barcode_create_motion_event (glView *view,
405 gl_label_object_set_position (GL_LABEL_OBJECT(view->create_object), x, y);
408 /*****************************************************************************/
409 /* Object creation handler: button relesase event. */
410 /*****************************************************************************/
412 gl_view_barcode_create_button_release_event (glView *view,
416 glColorNode *line_color_node;
418 line_color_node = gl_color_node_new_default ();
420 gl_label_object_set_position (GL_LABEL_OBJECT(view->create_object), x, y);
421 line_color_node->color = gl_view_get_default_line_color(view);
422 gl_label_object_set_line_color (GL_LABEL_OBJECT(view->create_object), line_color_node);
423 gl_color_node_free (&line_color_node);