1 /* Copyright (C) 2004 Red Hat, Inc.
3 This library is free software; you can redistribute it and/or
4 modify it under the terms of the GNU Library General Public License as
5 published by the Free Software Foundation; either version 2 of the
6 License, or (at your option) any later version.
8 This library is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 Library General Public License for more details.
13 You should have received a copy of the GNU Library General Public
14 License along with the Gnome Library; see the file COPYING.LIB. If not,
15 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
16 Boston, MA 02111-1307, USA.
21 #include "eggfindbar.h"
23 #include <glib/gi18n.h>
24 #include <gtk/gtkhbox.h>
25 #include <gtk/gtkentry.h>
26 #include <gtk/gtkcheckbutton.h>
27 #include <gtk/gtkvseparator.h>
28 #include <gtk/gtkstock.h>
29 #include <gtk/gtklabel.h>
30 #include <gdk/gdkkeysyms.h>
31 #include <gtk/gtkbindings.h>
35 typedef struct _EggFindBarPrivate EggFindBarPrivate;
36 struct _EggFindBarPrivate
40 GtkWidget *close_button;
41 GtkWidget *find_entry;
42 GtkWidget *next_button;
43 GtkWidget *previous_button;
44 GtkWidget *case_button;
45 guint case_sensitive : 1;
48 #define EGG_FIND_BAR_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EGG_TYPE_FIND_BAR, EggFindBarPrivate))
58 static void egg_find_bar_finalize (GObject *object);
59 static void egg_find_bar_get_property (GObject *object,
63 static void egg_find_bar_set_property (GObject *object,
67 static void egg_find_bar_size_request (GtkWidget *widget,
68 GtkRequisition *requisition);
69 static void egg_find_bar_size_allocate (GtkWidget *widget,
70 GtkAllocation *allocation);
72 G_DEFINE_TYPE (EggFindBar, egg_find_bar, GTK_TYPE_BIN);
82 static guint find_bar_signals[LAST_SIGNAL] = { 0 };
85 egg_find_bar_class_init (EggFindBarClass *klass)
87 GObjectClass *object_class;
88 GtkWidgetClass *widget_class;
89 GtkBinClass *bin_class;
90 GtkBindingSet *binding_set;
92 object_class = (GObjectClass *)klass;
93 widget_class = (GtkWidgetClass *)klass;
94 bin_class = (GtkBinClass *)klass;
96 object_class->set_property = egg_find_bar_set_property;
97 object_class->get_property = egg_find_bar_get_property;
99 object_class->finalize = egg_find_bar_finalize;
101 widget_class->size_request = egg_find_bar_size_request;
102 widget_class->size_allocate = egg_find_bar_size_allocate;
104 find_bar_signals[NEXT] =
105 g_signal_new ("next",
106 G_OBJECT_CLASS_TYPE (object_class),
110 g_cclosure_marshal_VOID__VOID,
112 find_bar_signals[PREVIOUS] =
113 g_signal_new ("previous",
114 G_OBJECT_CLASS_TYPE (object_class),
118 g_cclosure_marshal_VOID__VOID,
120 find_bar_signals[CLOSE] =
121 g_signal_new ("close",
122 G_OBJECT_CLASS_TYPE (object_class),
123 G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
126 g_cclosure_marshal_VOID__VOID,
130 * EggFindBar:search_string:
132 * The current string to search for. NULL or empty string
133 * both mean no current string.
136 g_object_class_install_property (object_class,
138 g_param_spec_string ("search_string",
140 _("The name of the string to be found"),
145 * EggFindBar:case_sensitive:
147 * TRUE for a case sensitive search.
150 g_object_class_install_property (object_class,
152 g_param_spec_boolean ("case_sensitive",
154 _("TRUE for a case sensitive search"),
158 /* Style properties */
159 gtk_widget_class_install_style_property (widget_class,
160 g_param_spec_boxed ("all_matches_color",
161 _("Highlight color"),
162 _("Color of highlight for all matches"),
166 gtk_widget_class_install_style_property (widget_class,
167 g_param_spec_boxed ("current_match_color",
169 _("Color of highlight for the current match"),
173 g_type_class_add_private (object_class, sizeof (EggFindBarPrivate));
175 binding_set = gtk_binding_set_by_class (klass);
177 gtk_binding_entry_add_signal (binding_set, GDK_Escape, 0,
182 egg_find_bar_emit_next (EggFindBar *find_bar)
184 g_signal_emit (find_bar, find_bar_signals[NEXT], 0);
188 egg_find_bar_emit_previous (EggFindBar *find_bar)
190 g_signal_emit (find_bar, find_bar_signals[PREVIOUS], 0);
194 egg_find_bar_emit_close (EggFindBar *find_bar)
196 g_signal_emit (find_bar, find_bar_signals[CLOSE], 0);
200 close_clicked_callback (GtkButton *button,
203 EggFindBar *find_bar = EGG_FIND_BAR (data);
205 egg_find_bar_emit_close (find_bar);
209 next_clicked_callback (GtkButton *button,
212 EggFindBar *find_bar = EGG_FIND_BAR (data);
214 egg_find_bar_emit_next (find_bar);
218 previous_clicked_callback (GtkButton *button,
221 EggFindBar *find_bar = EGG_FIND_BAR (data);
223 egg_find_bar_emit_previous (find_bar);
227 case_sensitive_toggled_callback (GtkCheckButton *button,
230 EggFindBar *find_bar = EGG_FIND_BAR (data);
232 egg_find_bar_set_case_sensitive (find_bar,
233 gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button)));
237 entry_activate_callback (GtkEntry *entry,
240 EggFindBar *find_bar = EGG_FIND_BAR (data);
241 EggFindBarPrivate *priv = (EggFindBarPrivate *)find_bar->private_data;
243 /* We activate the "next" button here so we'll get a nice
245 gtk_widget_activate (priv->next_button);
249 entry_changed_callback (GtkEntry *entry,
252 EggFindBar *find_bar = EGG_FIND_BAR (data);
255 /* paranoid strdup because set_search_string() sets
258 text = g_strdup (gtk_entry_get_text (entry));
260 egg_find_bar_set_search_string (find_bar, text);
266 egg_find_bar_init (EggFindBar *find_bar)
268 EggFindBarPrivate *priv;
270 GtkWidget *separator;
272 GtkWidget *image_back;
273 GtkWidget *image_forward;
276 priv = EGG_FIND_BAR_GET_PRIVATE (find_bar);
277 find_bar->private_data = priv;
279 priv->search_string = NULL;
282 gtk_widget_push_composite_child ();
283 priv->hbox = gtk_hbox_new (FALSE, 6);
284 gtk_container_set_border_width (GTK_CONTAINER (priv->hbox), 3);
286 label = gtk_label_new_with_mnemonic (_("F_ind:"));
287 separator = gtk_vseparator_new ();
289 priv->close_button = gtk_button_new ();
290 gtk_button_set_relief (GTK_BUTTON (priv->close_button),
292 image = gtk_image_new_from_stock (GTK_STOCK_CLOSE,
293 GTK_ICON_SIZE_SMALL_TOOLBAR);
294 gtk_container_add (GTK_CONTAINER (priv->close_button), image);
296 priv->find_entry = gtk_entry_new ();
297 gtk_label_set_mnemonic_widget (GTK_LABEL (label), priv->find_entry);
299 priv->previous_button = gtk_button_new_with_mnemonic (_("_Previous"));
300 priv->next_button = gtk_button_new_with_mnemonic (_("_Next"));
302 image_back = gtk_image_new_from_stock (GTK_STOCK_GO_BACK,
303 GTK_ICON_SIZE_BUTTON);
304 image_forward = gtk_image_new_from_stock (GTK_STOCK_GO_FORWARD,
305 GTK_ICON_SIZE_BUTTON);
307 gtk_button_set_image (GTK_BUTTON (priv->previous_button),
309 gtk_button_set_image (GTK_BUTTON (priv->next_button),
312 priv->case_button = gtk_check_button_new_with_mnemonic (_("C_ase Sensitive"));
316 GtkWidget *button_label;
317 /* This hack doesn't work because GtkCheckButton doesn't pass the
318 * larger size allocation to the label, it always gives the label
319 * its exact request. If you un-ifdef this, set the box back
320 * on case_button to TRUE, TRUE below
322 button_label = gtk_bin_get_child (GTK_BIN (priv->case_button));
323 gtk_label_set_ellipsize (GTK_LABEL (button_label),
324 PANGO_ELLIPSIZE_END);
328 gtk_box_pack_start (GTK_BOX (priv->hbox),
329 priv->close_button, FALSE, FALSE, 0);
330 gtk_box_pack_start (GTK_BOX (priv->hbox),
331 label, FALSE, FALSE, 0);
332 gtk_box_pack_start (GTK_BOX (priv->hbox),
333 priv->find_entry, FALSE, FALSE, 0);
334 gtk_box_pack_start (GTK_BOX (priv->hbox),
335 priv->previous_button, FALSE, FALSE, 0);
336 gtk_box_pack_start (GTK_BOX (priv->hbox),
337 priv->next_button, FALSE, FALSE, 0);
338 gtk_box_pack_start (GTK_BOX (priv->hbox),
339 separator, FALSE, FALSE, 0);
340 gtk_box_pack_start (GTK_BOX (priv->hbox),
341 priv->case_button, FALSE, FALSE, 0);
343 gtk_container_add (GTK_CONTAINER (find_bar), priv->hbox);
345 gtk_widget_show (priv->hbox);
346 gtk_widget_show (priv->close_button);
347 gtk_widget_show (priv->find_entry);
348 gtk_widget_show (priv->previous_button);
349 gtk_widget_show (priv->next_button);
350 gtk_widget_show (separator);
351 gtk_widget_show (label);
352 gtk_widget_show (image);
353 gtk_widget_show (image_back);
354 gtk_widget_show (image_forward);
356 gtk_widget_pop_composite_child ();
358 gtk_widget_show_all (priv->hbox);
360 g_signal_connect (priv->close_button, "clicked",
361 G_CALLBACK (close_clicked_callback),
363 g_signal_connect (priv->find_entry, "changed",
364 G_CALLBACK (entry_changed_callback),
366 g_signal_connect (priv->find_entry, "activate",
367 G_CALLBACK (entry_activate_callback),
369 g_signal_connect (priv->next_button, "clicked",
370 G_CALLBACK (next_clicked_callback),
372 g_signal_connect (priv->previous_button, "clicked",
373 G_CALLBACK (previous_clicked_callback),
375 g_signal_connect (priv->case_button, "toggled",
376 G_CALLBACK (case_sensitive_toggled_callback),
381 egg_find_bar_finalize (GObject *object)
383 EggFindBar *find_bar = EGG_FIND_BAR (object);
384 EggFindBarPrivate *priv = (EggFindBarPrivate *)find_bar->private_data;
386 g_free (priv->search_string);
388 G_OBJECT_CLASS (egg_find_bar_parent_class)->finalize (object);
392 egg_find_bar_set_property (GObject *object,
397 EggFindBar *find_bar = EGG_FIND_BAR (object);
401 case PROP_SEARCH_STRING:
402 egg_find_bar_set_search_string (find_bar, g_value_get_string (value));
404 case PROP_CASE_SENSITIVE:
405 egg_find_bar_set_case_sensitive (find_bar, g_value_get_boolean (value));
408 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
414 egg_find_bar_get_property (GObject *object,
419 EggFindBar *find_bar = EGG_FIND_BAR (object);
420 EggFindBarPrivate *priv = (EggFindBarPrivate *)find_bar->private_data;
424 case PROP_SEARCH_STRING:
425 g_value_set_string (value, priv->search_string);
427 case PROP_CASE_SENSITIVE:
428 g_value_set_boolean (value, priv->case_sensitive);
431 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
437 egg_find_bar_size_request (GtkWidget *widget,
438 GtkRequisition *requisition)
440 GtkBin *bin = GTK_BIN (widget);
441 GtkRequisition child_requisition;
442 if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
444 gtk_widget_size_request (bin->child, &child_requisition);
446 *requisition = child_requisition;
450 requisition->width = 0;
451 requisition->height = 0;
456 egg_find_bar_size_allocate (GtkWidget *widget,
457 GtkAllocation *allocation)
459 GtkBin *bin = GTK_BIN (widget);
461 widget->allocation = *allocation;
463 if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
464 gtk_widget_size_allocate (bin->child, allocation);
470 * Creates a new #EggFindBar.
472 * Returns: a newly created #EggFindBar
477 egg_find_bar_new (void)
479 EggFindBar *find_bar;
481 find_bar = g_object_new (EGG_TYPE_FIND_BAR, NULL);
483 return GTK_WIDGET (find_bar);
487 * egg_find_bar_set_search_string:
489 * Sets the string that should be found/highlighted in the document.
490 * Empty string is converted to NULL.
495 egg_find_bar_set_search_string (EggFindBar *find_bar,
496 const char *search_string)
498 EggFindBarPrivate *priv;
500 g_return_if_fail (EGG_IS_FIND_BAR (find_bar));
502 priv = (EggFindBarPrivate *)find_bar->private_data;
504 g_object_freeze_notify (G_OBJECT (find_bar));
506 if (priv->search_string != search_string)
510 old = priv->search_string;
512 if (search_string && *search_string == '\0')
513 search_string = NULL;
515 /* Only update if the string has changed; setting the entry
516 * will emit changed on the entry which will re-enter
517 * this function, but we'll handle that fine with this
520 if ((old && search_string == NULL) ||
521 (old == NULL && search_string) ||
522 (old && search_string &&
523 strcmp (old, search_string) != 0))
525 priv->search_string = g_strdup (search_string);
528 gtk_entry_set_text (GTK_ENTRY (priv->find_entry),
529 priv->search_string ?
530 priv->search_string :
533 g_object_notify (G_OBJECT (find_bar),
538 g_object_thaw_notify (G_OBJECT (find_bar));
543 * egg_find_bar_get_search_string:
545 * Gets the string that should be found/highlighted in the document.
547 * Returns: the string
552 egg_find_bar_get_search_string (EggFindBar *find_bar)
554 EggFindBarPrivate *priv;
556 g_return_val_if_fail (EGG_IS_FIND_BAR (find_bar), NULL);
558 priv = (EggFindBarPrivate *)find_bar->private_data;
560 return priv->search_string;
564 * egg_find_bar_set_case_sensitive:
566 * Sets whether the search is case sensitive
571 egg_find_bar_set_case_sensitive (EggFindBar *find_bar,
572 gboolean case_sensitive)
574 EggFindBarPrivate *priv;
576 g_return_if_fail (EGG_IS_FIND_BAR (find_bar));
578 priv = (EggFindBarPrivate *)find_bar->private_data;
580 g_object_freeze_notify (G_OBJECT (find_bar));
582 case_sensitive = case_sensitive != FALSE;
584 if (priv->case_sensitive != case_sensitive)
586 priv->case_sensitive = case_sensitive;
588 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->case_button),
589 priv->case_sensitive);
591 g_object_notify (G_OBJECT (find_bar),
595 g_object_thaw_notify (G_OBJECT (find_bar));
599 * egg_find_bar_get_case_sensitive:
601 * Gets whether the search is case sensitive
603 * Returns: TRUE if it's case sensitive
608 egg_find_bar_get_case_sensitive (EggFindBar *find_bar)
610 EggFindBarPrivate *priv;
612 g_return_val_if_fail (EGG_IS_FIND_BAR (find_bar), FALSE);
614 priv = (EggFindBarPrivate *)find_bar->private_data;
616 return priv->case_sensitive;
620 get_style_color (EggFindBar *find_bar,
621 const char *style_prop_name,
624 GdkColor *style_color;
626 gtk_widget_ensure_style (GTK_WIDGET (find_bar));
627 gtk_widget_style_get (GTK_WIDGET (find_bar),
628 "color", &style_color, NULL);
631 *color = *style_color;
632 gdk_color_free (style_color);
637 * egg_find_bar_get_all_matches_color:
639 * Gets the color to use to highlight all the
645 egg_find_bar_get_all_matches_color (EggFindBar *find_bar,
648 GdkColor found_color = { 0, 0, 0, 0x0f0f };
650 get_style_color (find_bar, "all_matches_color", &found_color);
652 *color = found_color;
656 * egg_find_bar_get_current_match_color:
658 * Gets the color to use to highlight the match
659 * we're currently on.
664 egg_find_bar_get_current_match_color (EggFindBar *find_bar,
667 GdkColor found_color = { 0, 0, 0, 0xffff };
669 get_style_color (find_bar, "current_match_color", &found_color);
671 *color = found_color;
675 * egg_find_bar_grab_focus:
677 * Focuses the text entry in the find bar; currently GTK+ doesn't have
678 * a way to make this work on gtk_widget_grab_focus(find_bar).
683 egg_find_bar_grab_focus (EggFindBar *find_bar)
685 EggFindBarPrivate *priv;
687 g_return_if_fail (EGG_IS_FIND_BAR (find_bar));
689 priv = (EggFindBarPrivate *)find_bar->private_data;
691 gtk_widget_grab_focus (priv->find_entry);