2 * @file libsexy/sexy-icon-entry.c Entry widget
4 * @Copyright (C) 2004-2006 Christian Hammond.
5 * Some of this code is from gtkspell, Copyright (C) 2002 Evan Martin.
6 * Adapted for Claws Mail (c) 2009 Pawel Pekala and the Claws Mail team
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 3 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, see <http://www.gnu.org/licenses/>.
30 #include <glib/gi18n.h>
33 #include <gdk/gdkkeysyms.h>
39 #include "spell_entry.h"
40 #include "prefs_common.h"
44 static void claws_spell_entry_init (ClawsSpellEntry *entry);
45 static void claws_spell_entry_editable_init (GtkEditableClass *iface);
46 static void claws_spell_entry_finalize (GObject *object);
47 static void claws_spell_entry_destroy (GtkObject *object);
48 static gint claws_spell_entry_expose (GtkWidget *widget,
49 GdkEventExpose *event);
50 static gint claws_spell_entry_button_press (GtkWidget *widget,
51 GdkEventButton *event);
52 static gboolean claws_spell_entry_popup_menu (GtkWidget *widget,
53 ClawsSpellEntry *entry);
54 static void claws_spell_entry_populate_popup (ClawsSpellEntry *entry,
57 static void claws_spell_entry_changed (GtkEditable *editable,
60 struct _ClawsSpellEntryPriv
62 PangoAttrList *attr_list;
69 static GtkEntryClass *parent_class = NULL;
72 G_DEFINE_TYPE_EXTENDED(ClawsSpellEntry, claws_spell_entry, GTK_TYPE_ENTRY, 0, G_IMPLEMENT_INTERFACE(GTK_TYPE_EDITABLE, claws_spell_entry_editable_init));
75 static void claws_spell_entry_class_init(ClawsSpellEntryClass *klass)
77 GObjectClass *g_object_class;
78 GtkObjectClass *gtk_object_class;
79 GtkWidgetClass *widget_class;
81 parent_class = g_type_class_peek_parent(klass);
83 g_object_class = G_OBJECT_CLASS(klass);
84 g_object_class->finalize = claws_spell_entry_finalize;
86 gtk_object_class = GTK_OBJECT_CLASS(klass);
87 gtk_object_class->destroy = claws_spell_entry_destroy;
89 widget_class = GTK_WIDGET_CLASS(klass);
90 widget_class->expose_event = claws_spell_entry_expose;
91 widget_class->button_press_event = claws_spell_entry_button_press;
93 g_type_class_add_private(g_object_class,
94 sizeof(struct _ClawsSpellEntryPriv));
97 static void claws_spell_entry_init(ClawsSpellEntry *entry)
99 entry->gtkaspell = NULL;
101 entry->priv = g_new0(ClawsSpellEntryPriv, 1);
102 entry->priv->attr_list = pango_attr_list_new();
104 g_signal_connect(G_OBJECT(entry), "popup-menu",
105 G_CALLBACK(claws_spell_entry_popup_menu), entry);
106 g_signal_connect(G_OBJECT(entry), "populate-popup",
107 G_CALLBACK(claws_spell_entry_populate_popup), NULL);
108 g_signal_connect(G_OBJECT(entry), "changed",
109 G_CALLBACK(claws_spell_entry_changed), NULL);
112 static void claws_spell_entry_editable_init (GtkEditableClass *iface) {}
114 static void claws_spell_entry_finalize(GObject *object)
116 ClawsSpellEntry *entry = CLAWS_SPELL_ENTRY(object);
118 if (entry->priv->attr_list)
119 pango_attr_list_unref(entry->priv->attr_list);
120 if (entry->priv->words)
121 g_strfreev(entry->priv->words);
123 g_free(entry->priv->word_starts);
124 g_free(entry->priv->word_ends);
128 G_OBJECT_CLASS(parent_class)->finalize(object);
131 static void claws_spell_entry_destroy(GtkObject *object)
133 GTK_OBJECT_CLASS(parent_class)->destroy(object);
136 GtkWidget *claws_spell_entry_new(void)
138 return GTK_WIDGET( g_object_new(CLAWS_TYPE_SPELL_ENTRY, NULL) );
141 void claws_spell_entry_set_gtkaspell(ClawsSpellEntry *entry, GtkAspell *gtkaspell)
143 cm_return_if_fail(CLAWS_IS_SPELL_ENTRY(entry));
144 cm_return_if_fail(gtkaspell != NULL);
146 entry->gtkaspell = gtkaspell;
149 static gint gtk_entry_find_position (GtkEntry *entry, gint x)
152 PangoLayoutLine *line;
159 x = x + entry->scroll_offset;
161 layout = gtk_entry_get_layout(entry);
162 text = pango_layout_get_text(layout);
163 cursor_index = g_utf8_offset_to_pointer(text, entry->current_pos) - text;
165 line = pango_layout_get_lines(layout)->data;
166 pango_layout_line_x_to_index(line, x * PANGO_SCALE, &index, &trailing);
168 if (index >= cursor_index && entry->preedit_length) {
169 if (index >= cursor_index + entry->preedit_length) {
170 index -= entry->preedit_length;
172 index = cursor_index;
177 pos = g_utf8_pointer_to_offset (text, text + index);
183 static void get_word_extents_from_position(ClawsSpellEntry *entry, gint *start,
184 gint *end, guint position)
192 if (entry->priv->words == NULL)
195 text = gtk_entry_get_text(GTK_ENTRY(entry));
196 bytes_pos = (gint) (g_utf8_offset_to_pointer(text, position) - text);
198 for (i = 0; entry->priv->words[i]; i++) {
199 if (bytes_pos >= entry->priv->word_starts[i] &&
200 bytes_pos <= entry->priv->word_ends[i]) {
201 *start = entry->priv->word_starts[i];
202 *end = entry->priv->word_ends[i];
208 static gchar *get_word(ClawsSpellEntry *entry, const int start, const int end)
216 text = gtk_entry_get_text(GTK_ENTRY(entry));
217 word = g_new0(gchar, end - start + 2);
218 g_strlcpy(word, text + start, end - start + 1);
223 static void replace_word(ClawsSpellEntry *entry, const gchar *newword)
225 gint cursor, start_pos, end_pos;
226 const gchar *text = gtk_entry_get_text(GTK_ENTRY(entry));
228 start_pos = entry->gtkaspell->start_pos;
229 end_pos = entry->gtkaspell->end_pos;
231 cursor = gtk_editable_get_position(GTK_EDITABLE(entry));
232 /* is the cursor at the end? If so, restore it there */
233 if (g_utf8_strlen(text, -1) == cursor)
235 else if(cursor < entry->priv->mark_character ||
236 cursor > entry->priv->mark_character)
237 cursor = entry->priv->mark_character;
239 gtk_editable_delete_text(GTK_EDITABLE(entry), start_pos, end_pos);
240 gtk_editable_insert_text(GTK_EDITABLE(entry), newword, strlen(newword),
242 gtk_editable_set_position(GTK_EDITABLE(entry), cursor);
246 static gboolean word_misspelled(ClawsSpellEntry *entry, int start, int end)
251 word = get_word(entry, start, end);
255 ret = gtkaspell_misspelled_test(entry->gtkaspell, word);
261 static void entry_strsplit_utf8(GtkEntry *entry, gchar ***set, gint **starts, gint **ends)
264 PangoLogAttr *log_attrs;
266 gint n_attrs, n_strings, i, j;
268 layout = gtk_entry_get_layout(GTK_ENTRY(entry));
269 text = gtk_entry_get_text(GTK_ENTRY(entry));
270 pango_layout_get_log_attrs(layout, &log_attrs, &n_attrs);
272 /* Find how many words we have */
274 for (i = 0; i < n_attrs; i++)
275 if (log_attrs[i].is_word_start)
278 *set = g_new0(gchar *, n_strings + 1);
279 *starts = g_new0(gint, n_strings);
280 *ends = g_new0(gint, n_strings);
282 /* Copy out strings */
283 for (i = 0, j = 0; i < n_attrs; i++) {
284 if (log_attrs[i].is_word_start) {
288 /* Find the end of this string */
290 while (!(log_attrs[cend].is_word_end))
293 /* Copy sub-string */
294 start = g_utf8_offset_to_pointer(text, i);
295 bytes = (gint) (g_utf8_offset_to_pointer(text, cend) - start);
296 (*set)[j] = g_new0(gchar, bytes + 1);
297 (*starts)[j] = (gint) (start - text);
298 (*ends)[j] = (gint) (start - text + bytes);
299 g_utf8_strncpy((*set)[j], start, cend - i);
301 /* Move on to the next word */
309 static void insert_misspelled_marker(ClawsSpellEntry *entry, guint start, guint end)
311 guint16 red = (guint16) (((gdouble)((prefs_common.misspelled_col &
312 0xff0000) >> 16) / 255.0) * 65535.0);
313 guint16 green = (guint16) (((gdouble)((prefs_common.misspelled_col &
314 0x00ff00) >> 8) / 255.0) * 65535.0);
315 guint16 blue = (guint16) (((gdouble) (prefs_common.misspelled_col &
316 0x0000ff) / 255.0) * 65535.0);
317 PangoAttribute *fcolor, *ucolor, *unline;
319 if(prefs_common.misspelled_col != 0) {
320 fcolor = pango_attr_foreground_new(red, green, blue);
321 fcolor->start_index = start;
322 fcolor->end_index = end;
324 pango_attr_list_insert(entry->priv->attr_list, fcolor);
326 ucolor = pango_attr_underline_color_new (65535, 0, 0);
327 unline = pango_attr_underline_new (PANGO_UNDERLINE_ERROR);
329 ucolor->start_index = start;
330 unline->start_index = start;
332 ucolor->end_index = end;
333 unline->end_index = end;
335 pango_attr_list_insert (entry->priv->attr_list, ucolor);
336 pango_attr_list_insert (entry->priv->attr_list, unline);
340 static gboolean check_word(ClawsSpellEntry *entry, int start, int end)
342 GtkAspell *gtkaspell = entry->gtkaspell;
343 PangoAttrIterator *it;
346 gchar *text = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, -1);
349 /* Check to see if we've got any attributes at this position.
350 * If so, free them, since we'll readd it if the word is misspelled */
351 it = pango_attr_list_get_iterator(entry->priv->attr_list);
355 pango_attr_iterator_range(it, &s, &e);
357 GSList *attrs = pango_attr_iterator_get_attrs(it);
358 g_slist_foreach(attrs, (GFunc) pango_attribute_destroy, NULL);
361 } while (pango_attr_iterator_next(it));
362 pango_attr_iterator_destroy(it);
364 if ((misspelled = word_misspelled(entry, start, end))) {
365 insert_misspelled_marker(entry, start, end);
367 word = get_word(entry, start, end);
368 strncpy(gtkaspell->theword, (gchar *)word, GTKASPELLWORDSIZE - 1);
369 gtkaspell->theword[GTKASPELLWORDSIZE - 1] = 0;
370 gtkaspell->start_pos = g_utf8_pointer_to_offset(text, (text+start));
371 gtkaspell->end_pos = g_utf8_pointer_to_offset(text, (text+end));
372 gtkaspell_free_suggestions_list(gtkaspell);
381 void claws_spell_entry_recheck_all(ClawsSpellEntry *entry)
387 cm_return_if_fail(CLAWS_IS_SPELL_ENTRY(entry));
388 cm_return_if_fail(entry->gtkaspell != NULL);
390 if (entry->priv->words == NULL)
393 /* Remove all existing pango attributes. These will get readded as we check */
394 pango_attr_list_unref(entry->priv->attr_list);
395 entry->priv->attr_list = pango_attr_list_new();
397 /* Loop through words */
398 for (i = 0; entry->priv->words[i]; i++) {
399 length = strlen(entry->priv->words[i]);
402 check_word(entry, entry->priv->word_starts[i], entry->priv->word_ends[i]);
405 layout = gtk_entry_get_layout(GTK_ENTRY(entry));
406 pango_layout_set_attributes(layout, entry->priv->attr_list);
408 if (GTK_WIDGET_REALIZED(GTK_WIDGET(entry))) {
409 rect.x = 0; rect.y = 0;
410 rect.width = GTK_WIDGET(entry)->allocation.width;
411 rect.height = GTK_WIDGET(entry)->allocation.height;
412 gdk_window_invalidate_rect(GTK_WIDGET(entry)->window, &rect, TRUE);
416 static gint claws_spell_entry_expose(GtkWidget *widget, GdkEventExpose *event)
418 ClawsSpellEntry *entry = CLAWS_SPELL_ENTRY(widget);
419 GtkEntry *gtk_entry = GTK_ENTRY(widget);
422 if (entry->gtkaspell != NULL) {
423 layout = gtk_entry_get_layout(gtk_entry);
424 pango_layout_set_attributes(layout, entry->priv->attr_list);
427 return GTK_WIDGET_CLASS(parent_class)->expose_event (widget, event);
430 static gint claws_spell_entry_button_press(GtkWidget *widget, GdkEventButton *event)
432 ClawsSpellEntry *entry = CLAWS_SPELL_ENTRY(widget);
433 GtkEntry *gtk_entry = GTK_ENTRY(widget);
436 pos = gtk_entry_find_position(gtk_entry, event->x);
437 entry->priv->mark_character = pos;
439 return GTK_WIDGET_CLASS(parent_class)->button_press_event (widget, event);
442 static gboolean claws_spell_entry_popup_menu(GtkWidget *widget, ClawsSpellEntry *entry)
444 entry->priv->mark_character = gtk_editable_get_position (GTK_EDITABLE (entry));
448 static void set_position(gpointer data, gint pos)
450 gtk_editable_set_position(GTK_EDITABLE(data), pos);
453 static gboolean find_misspelled_cb(gpointer data, gboolean forward)
455 ClawsSpellEntry *entry = (ClawsSpellEntry *)data;
456 GtkAspell *gtkaspell = entry->gtkaspell;
457 gboolean misspelled = FALSE;
458 gint cursor, minpos, maxpos, i, words_len = 0;
462 if (entry->priv->words == NULL)
465 gtkaspell->orig_pos = gtk_editable_get_position(GTK_EDITABLE(entry));
466 text = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, -1);
467 cursor = g_utf8_offset_to_pointer(text, gtkaspell->orig_pos) - text;
469 if (gtk_editable_get_selection_bounds(GTK_EDITABLE(entry), &start, &end)) {
470 minpos = g_utf8_offset_to_pointer(text, start) - text;
471 maxpos = g_utf8_offset_to_pointer(text, end) - text;
473 minpos = forward ? cursor : 0;
474 maxpos = forward ? strlen(text)-1 : cursor;
478 while(entry->priv->words[words_len])
482 for(i=0; i < words_len; i++)
483 if (entry->priv->word_ends[i] > minpos &&
484 (misspelled = check_word(entry,
485 entry->priv->word_starts[i],
486 entry->priv->word_ends[i])))
489 for(i=words_len-1; i >= 0; i--)
490 if (entry->priv->word_starts[i] < maxpos &&
491 (misspelled = check_word(entry,
492 entry->priv->word_starts[i],
493 entry->priv->word_ends[i])))
500 static gboolean check_word_cb(gpointer data)
502 ClawsSpellEntry *entry = (ClawsSpellEntry *)data;
505 get_word_extents_from_position(entry, &start, &end, entry->priv->mark_character);
506 return check_word(entry, start, end);
509 static void replace_word_cb(gpointer data, const gchar *newword)
511 replace_word((ClawsSpellEntry *) data, newword);
514 static void set_menu_pos(GtkMenu *menu, gint *x, gint *y,
515 gboolean *push_in, gpointer data)
517 ClawsSpellEntry *entry = (ClawsSpellEntry *) data;
518 GtkAspell *gtkaspell = entry->gtkaspell;
519 gint pango_offset, win_x, win_y, scr_x, scr_y, text_index, entry_x;
521 GtkRequisition subject_rq;
522 PangoLayout *layout = gtk_entry_get_layout(GTK_ENTRY(entry));
523 PangoLayoutLine *line = pango_layout_get_lines(layout)->data;
525 gtk_widget_get_child_requisition(GTK_WIDGET(entry), &subject_rq);
527 /* screen -> compose window coords */
528 gdk_window_get_origin(GTK_WIDGET(gtkaspell->parent_window)->window,
531 /* compose window -> subject entry coords */
532 gtk_widget_translate_coordinates(GTK_WIDGET(entry),
533 gtkaspell->parent_window, 0, 0, &win_x, &win_y);
535 text = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, -1);
536 text_index = g_utf8_offset_to_pointer(text, gtkaspell->end_pos) - text;
539 pango_offset = gtk_entry_text_index_to_layout_index(GTK_ENTRY(entry),
541 pango_layout_line_index_to_x(line, pango_offset, TRUE, &entry_x);
543 *x = scr_x + win_x + PANGO_PIXELS(entry_x) + 8;
544 *y = scr_y + win_y + subject_rq.height;
547 void claws_spell_entry_context_set(ClawsSpellEntry *entry)
549 cm_return_if_fail(CLAWS_IS_SPELL_ENTRY(entry));
550 cm_return_if_fail(entry->gtkaspell != NULL);
552 entry->gtkaspell->ctx.set_position = set_position;
553 entry->gtkaspell->ctx.set_menu_pos = set_menu_pos;
554 entry->gtkaspell->ctx.find_misspelled = find_misspelled_cb;
555 entry->gtkaspell->ctx.check_word = check_word_cb;
556 entry->gtkaspell->ctx.replace_word = replace_word_cb;
557 entry->gtkaspell->ctx.data = (gpointer) entry;
560 static void claws_spell_entry_populate_popup(ClawsSpellEntry *entry, GtkMenu *menu,
563 GtkAspell *gtkaspell = entry->gtkaspell;
567 if (gtkaspell == NULL)
570 get_word_extents_from_position(entry, &start, &end, entry->priv->mark_character);
572 if ((word = get_word(entry, start, end)) != NULL) {
573 strncpy(gtkaspell->theword, word, GTKASPELLWORDSIZE - 1);
577 gtkaspell->misspelled = word_misspelled(entry, start, end);
579 claws_spell_entry_context_set(entry);
580 gtkaspell_make_context_menu(menu, gtkaspell);
583 static void claws_spell_entry_changed(GtkEditable *editable, gpointer data)
585 ClawsSpellEntry *entry = CLAWS_SPELL_ENTRY(editable);
587 if (entry->gtkaspell == NULL)
590 if (entry->priv->words) {
591 g_strfreev(entry->priv->words);
592 g_free(entry->priv->word_starts);
593 g_free(entry->priv->word_ends);
595 entry_strsplit_utf8(GTK_ENTRY(entry), &entry->priv->words,
596 &entry->priv->word_starts, &entry->priv->word_ends);
597 if(entry->gtkaspell->check_while_typing == TRUE)
598 claws_spell_entry_recheck_all(entry);
601 static void continue_check(gpointer *data)
603 ClawsSpellEntry *entry = (ClawsSpellEntry *)data;
604 GtkAspell *gtkaspell = entry->gtkaspell;
605 gint pos = gtk_editable_get_position(GTK_EDITABLE(entry));
607 if (gtkaspell->misspelled && pos < gtkaspell->end_check_pos)
608 gtkaspell->misspelled = gtkaspell_check_next_prev(gtkaspell, TRUE);
610 gtkaspell->continue_check = NULL;
613 void claws_spell_entry_check_all(ClawsSpellEntry *entry)
618 cm_return_if_fail(CLAWS_IS_SPELL_ENTRY(entry));
619 cm_return_if_fail(entry->gtkaspell != NULL);
621 if (!gtk_editable_get_selection_bounds(GTK_EDITABLE(entry), &start, &end)) {
622 text = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, -1);
625 end = g_utf8_strlen(text, -1) - 1;
630 gtk_editable_set_position(GTK_EDITABLE(entry), start);
631 entry->gtkaspell->continue_check = continue_check;
632 entry->gtkaspell->end_check_pos = end;
634 claws_spell_entry_context_set(entry);
635 entry->gtkaspell->misspelled =
636 gtkaspell_check_next_prev(entry->gtkaspell, TRUE);
639 void claws_spell_entry_check_backwards(ClawsSpellEntry *entry)
641 cm_return_if_fail(CLAWS_IS_SPELL_ENTRY(entry));
642 cm_return_if_fail(entry->gtkaspell != NULL);
644 entry->gtkaspell->continue_check = NULL;
645 claws_spell_entry_context_set(entry);
646 gtkaspell_check_next_prev(entry->gtkaspell, FALSE);
649 void claws_spell_entry_check_forwards_go(ClawsSpellEntry *entry)
651 cm_return_if_fail(CLAWS_IS_SPELL_ENTRY(entry));
652 cm_return_if_fail(entry->gtkaspell != NULL);
654 entry->gtkaspell->continue_check = NULL;
655 claws_spell_entry_context_set(entry);
656 gtkaspell_check_next_prev(entry->gtkaspell, TRUE);
659 #endif /* USE_ENCHANT */