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);
242 egg_find_bar_emit_next (find_bar);
246 entry_changed_callback (GtkEntry *entry,
249 EggFindBar *find_bar = EGG_FIND_BAR (data);
252 /* paranoid strdup because set_search_string() sets
255 text = g_strdup (gtk_entry_get_text (entry));
257 egg_find_bar_set_search_string (find_bar, text);
263 egg_find_bar_init (EggFindBar *find_bar)
265 EggFindBarPrivate *priv;
267 GtkWidget *separator;
269 GtkWidget *image_back;
270 GtkWidget *image_forward;
273 priv = EGG_FIND_BAR_GET_PRIVATE (find_bar);
274 find_bar->private_data = priv;
276 priv->search_string = NULL;
279 gtk_widget_push_composite_child ();
280 priv->hbox = gtk_hbox_new (FALSE, 6);
281 gtk_container_set_border_width (GTK_CONTAINER (priv->hbox), 3);
283 label = gtk_label_new_with_mnemonic (_("F_ind:"));
284 separator = gtk_vseparator_new ();
286 priv->close_button = gtk_button_new ();
287 gtk_button_set_relief (GTK_BUTTON (priv->close_button),
289 image = gtk_image_new_from_stock (GTK_STOCK_CLOSE,
290 GTK_ICON_SIZE_SMALL_TOOLBAR);
291 gtk_container_add (GTK_CONTAINER (priv->close_button), image);
293 priv->find_entry = gtk_entry_new ();
294 gtk_label_set_mnemonic_widget (GTK_LABEL (label), priv->find_entry);
296 priv->previous_button = gtk_button_new_with_mnemonic (_("_Previous"));
297 priv->next_button = gtk_button_new_with_mnemonic (_("_Next"));
299 image_back = gtk_image_new_from_stock (GTK_STOCK_GO_BACK,
300 GTK_ICON_SIZE_BUTTON);
301 image_forward = gtk_image_new_from_stock (GTK_STOCK_GO_FORWARD,
302 GTK_ICON_SIZE_BUTTON);
304 gtk_button_set_image (GTK_BUTTON (priv->previous_button),
306 gtk_button_set_image (GTK_BUTTON (priv->next_button),
309 priv->case_button = gtk_check_button_new_with_mnemonic (_("C_ase Sensitive"));
313 GtkWidget *button_label;
314 /* This hack doesn't work because GtkCheckButton doesn't pass the
315 * larger size allocation to the label, it always gives the label
316 * its exact request. If you un-ifdef this, set the box back
317 * on case_button to TRUE, TRUE below
319 button_label = gtk_bin_get_child (GTK_BIN (priv->case_button));
320 gtk_label_set_ellipsize (GTK_LABEL (button_label),
321 PANGO_ELLIPSIZE_END);
325 gtk_box_pack_start (GTK_BOX (priv->hbox),
326 priv->close_button, FALSE, FALSE, 0);
327 gtk_box_pack_start (GTK_BOX (priv->hbox),
328 label, FALSE, FALSE, 0);
329 gtk_box_pack_start (GTK_BOX (priv->hbox),
330 priv->find_entry, FALSE, FALSE, 0);
331 gtk_box_pack_start (GTK_BOX (priv->hbox),
332 priv->previous_button, FALSE, FALSE, 0);
333 gtk_box_pack_start (GTK_BOX (priv->hbox),
334 priv->next_button, FALSE, FALSE, 0);
335 gtk_box_pack_start (GTK_BOX (priv->hbox),
336 separator, FALSE, FALSE, 0);
337 gtk_box_pack_start (GTK_BOX (priv->hbox),
338 priv->case_button, FALSE, FALSE, 0);
340 gtk_container_add (GTK_CONTAINER (find_bar), priv->hbox);
342 gtk_widget_show (priv->hbox);
343 gtk_widget_show (priv->close_button);
344 gtk_widget_show (priv->find_entry);
345 gtk_widget_show (priv->previous_button);
346 gtk_widget_show (priv->next_button);
347 gtk_widget_show (separator);
348 gtk_widget_show (label);
349 gtk_widget_show (image);
350 gtk_widget_show (image_back);
351 gtk_widget_show (image_forward);
353 gtk_widget_pop_composite_child ();
355 gtk_widget_show_all (priv->hbox);
357 g_signal_connect (priv->close_button, "clicked",
358 G_CALLBACK (close_clicked_callback),
360 g_signal_connect (priv->find_entry, "changed",
361 G_CALLBACK (entry_changed_callback),
363 g_signal_connect (priv->find_entry, "activate",
364 G_CALLBACK (entry_activate_callback),
366 g_signal_connect (priv->next_button, "clicked",
367 G_CALLBACK (next_clicked_callback),
369 g_signal_connect (priv->previous_button, "clicked",
370 G_CALLBACK (previous_clicked_callback),
372 g_signal_connect (priv->case_button, "toggled",
373 G_CALLBACK (case_sensitive_toggled_callback),
378 egg_find_bar_finalize (GObject *object)
380 EggFindBar *find_bar = EGG_FIND_BAR (object);
381 EggFindBarPrivate *priv = (EggFindBarPrivate *)find_bar->private_data;
383 g_free (priv->search_string);
385 G_OBJECT_CLASS (egg_find_bar_parent_class)->finalize (object);
389 egg_find_bar_set_property (GObject *object,
394 EggFindBar *find_bar = EGG_FIND_BAR (object);
398 case PROP_SEARCH_STRING:
399 egg_find_bar_set_search_string (find_bar, g_value_get_string (value));
401 case PROP_CASE_SENSITIVE:
402 egg_find_bar_set_case_sensitive (find_bar, g_value_get_boolean (value));
405 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
411 egg_find_bar_get_property (GObject *object,
416 EggFindBar *find_bar = EGG_FIND_BAR (object);
417 EggFindBarPrivate *priv = (EggFindBarPrivate *)find_bar->private_data;
421 case PROP_SEARCH_STRING:
422 g_value_set_string (value, priv->search_string);
424 case PROP_CASE_SENSITIVE:
425 g_value_set_boolean (value, priv->case_sensitive);
428 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
434 egg_find_bar_size_request (GtkWidget *widget,
435 GtkRequisition *requisition)
437 GtkBin *bin = GTK_BIN (widget);
438 GtkRequisition child_requisition;
439 if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
441 gtk_widget_size_request (bin->child, &child_requisition);
443 *requisition = child_requisition;
447 requisition->width = 0;
448 requisition->height = 0;
453 egg_find_bar_size_allocate (GtkWidget *widget,
454 GtkAllocation *allocation)
456 GtkBin *bin = GTK_BIN (widget);
458 widget->allocation = *allocation;
460 if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
461 gtk_widget_size_allocate (bin->child, allocation);
467 * Creates a new #EggFindBar.
469 * Returns: a newly created #EggFindBar
474 egg_find_bar_new (void)
476 EggFindBar *find_bar;
478 find_bar = g_object_new (EGG_TYPE_FIND_BAR, NULL);
480 return GTK_WIDGET (find_bar);
484 * egg_find_bar_set_search_string:
486 * Sets the string that should be found/highlighted in the document.
487 * Empty string is converted to NULL.
492 egg_find_bar_set_search_string (EggFindBar *find_bar,
493 const char *search_string)
495 EggFindBarPrivate *priv;
497 g_return_if_fail (EGG_IS_FIND_BAR (find_bar));
499 priv = (EggFindBarPrivate *)find_bar->private_data;
501 g_object_freeze_notify (G_OBJECT (find_bar));
503 if (priv->search_string != search_string)
507 old = priv->search_string;
509 if (search_string && *search_string == '\0')
510 search_string = NULL;
512 /* Only update if the string has changed; setting the entry
513 * will emit changed on the entry which will re-enter
514 * this function, but we'll handle that fine with this
517 if ((old && search_string == NULL) ||
518 (old == NULL && search_string) ||
519 (old && search_string &&
520 strcmp (old, search_string) != 0))
522 priv->search_string = g_strdup (search_string);
525 gtk_entry_set_text (GTK_ENTRY (priv->find_entry),
526 priv->search_string ?
527 priv->search_string :
530 g_object_notify (G_OBJECT (find_bar),
535 g_object_thaw_notify (G_OBJECT (find_bar));
540 * egg_find_bar_get_search_string:
542 * Gets the string that should be found/highlighted in the document.
544 * Returns: the string
549 egg_find_bar_get_search_string (EggFindBar *find_bar)
551 EggFindBarPrivate *priv;
553 g_return_val_if_fail (EGG_IS_FIND_BAR (find_bar), NULL);
555 priv = (EggFindBarPrivate *)find_bar->private_data;
557 return priv->search_string;
561 * egg_find_bar_set_case_sensitive:
563 * Sets whether the search is case sensitive
568 egg_find_bar_set_case_sensitive (EggFindBar *find_bar,
569 gboolean case_sensitive)
571 EggFindBarPrivate *priv;
573 g_return_if_fail (EGG_IS_FIND_BAR (find_bar));
575 priv = (EggFindBarPrivate *)find_bar->private_data;
577 g_object_freeze_notify (G_OBJECT (find_bar));
579 case_sensitive = case_sensitive != FALSE;
581 if (priv->case_sensitive != case_sensitive)
583 priv->case_sensitive = case_sensitive;
585 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->case_button),
586 priv->case_sensitive);
588 g_object_notify (G_OBJECT (find_bar),
592 g_object_thaw_notify (G_OBJECT (find_bar));
596 * egg_find_bar_get_case_sensitive:
598 * Gets whether the search is case sensitive
600 * Returns: TRUE if it's case sensitive
605 egg_find_bar_get_case_sensitive (EggFindBar *find_bar)
607 EggFindBarPrivate *priv;
609 g_return_val_if_fail (EGG_IS_FIND_BAR (find_bar), FALSE);
611 priv = (EggFindBarPrivate *)find_bar->private_data;
613 return priv->case_sensitive;
617 get_style_color (EggFindBar *find_bar,
618 const char *style_prop_name,
621 GdkColor *style_color;
623 gtk_widget_ensure_style (GTK_WIDGET (find_bar));
624 gtk_widget_style_get (GTK_WIDGET (find_bar),
625 "color", &style_color, NULL);
628 *color = *style_color;
629 gdk_color_free (style_color);
634 * egg_find_bar_get_all_matches_color:
636 * Gets the color to use to highlight all the
642 egg_find_bar_get_all_matches_color (EggFindBar *find_bar,
645 GdkColor found_color = { 0, 0, 0, 0x0f0f };
647 get_style_color (find_bar, "all_matches_color", &found_color);
649 *color = found_color;
653 * egg_find_bar_get_current_match_color:
655 * Gets the color to use to highlight the match
656 * we're currently on.
661 egg_find_bar_get_current_match_color (EggFindBar *find_bar,
664 GdkColor found_color = { 0, 0, 0, 0xffff };
666 get_style_color (find_bar, "current_match_color", &found_color);
668 *color = found_color;
672 * egg_find_bar_grab_focus:
674 * Focuses the text entry in the find bar; currently GTK+ doesn't have
675 * a way to make this work on gtk_widget_grab_focus(find_bar).
680 egg_find_bar_grab_focus (EggFindBar *find_bar)
682 EggFindBarPrivate *priv;
684 g_return_if_fail (EGG_IS_FIND_BAR (find_bar));
686 priv = (EggFindBarPrivate *)find_bar->private_data;
688 gtk_widget_grab_focus (priv->find_entry);