diff options
Diffstat (limited to 'tp-account-widgets/tpaw-live-search.c')
| -rw-r--r-- | tp-account-widgets/tpaw-live-search.c | 699 |
1 files changed, 0 insertions, 699 deletions
diff --git a/tp-account-widgets/tpaw-live-search.c b/tp-account-widgets/tpaw-live-search.c deleted file mode 100644 index 99d87f224..000000000 --- a/tp-account-widgets/tpaw-live-search.c +++ /dev/null @@ -1,699 +0,0 @@ -/* - * Copyright (C) 2010 Collabora Ltd. - * Copyright (C) 2007-2010 Nokia Corporation. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * - * Authors: Felix Kaser <felix.kaser@collabora.co.uk> - * Xavier Claessens <xavier.claessens@collabora.co.uk> - * Claudio Saavedra <csaavedra@igalia.com> - */ - -#include "config.h" -#include "tpaw-live-search.h" - -#include "tpaw-utils.h" - -G_DEFINE_TYPE (TpawLiveSearch, tpaw_live_search, GTK_TYPE_HBOX) - -struct _TpawLiveSearchPriv -{ - GtkWidget *search_entry; - GtkWidget *hook_widget; - - GPtrArray *stripped_words; -}; - -enum -{ - PROP_0, - PROP_HOOK_WIDGET, - PROP_TEXT -}; - -enum -{ - ACTIVATE, - KEYNAV, - LAST_SIGNAL -}; - -static guint signals[LAST_SIGNAL]; - -static void live_search_hook_widget_destroy_cb (GtkWidget *object, - gpointer user_data); - -/** - * stripped_char: - * - * Returns a stripped version of @ch, removing any case, accentuation - * mark, or any special mark on it. - **/ -static gunichar -stripped_char (gunichar ch) -{ - gunichar retval = 0; - GUnicodeType utype; - - utype = g_unichar_type (ch); - - switch (utype) - { - case G_UNICODE_CONTROL: - case G_UNICODE_FORMAT: - case G_UNICODE_UNASSIGNED: - case G_UNICODE_NON_SPACING_MARK: - case G_UNICODE_COMBINING_MARK: - case G_UNICODE_ENCLOSING_MARK: - /* Ignore those */ - break; - case G_UNICODE_PRIVATE_USE: - case G_UNICODE_SURROGATE: - case G_UNICODE_LOWERCASE_LETTER: - case G_UNICODE_MODIFIER_LETTER: - case G_UNICODE_OTHER_LETTER: - case G_UNICODE_TITLECASE_LETTER: - case G_UNICODE_UPPERCASE_LETTER: - case G_UNICODE_DECIMAL_NUMBER: - case G_UNICODE_LETTER_NUMBER: - case G_UNICODE_OTHER_NUMBER: - case G_UNICODE_CONNECT_PUNCTUATION: - case G_UNICODE_DASH_PUNCTUATION: - case G_UNICODE_CLOSE_PUNCTUATION: - case G_UNICODE_FINAL_PUNCTUATION: - case G_UNICODE_INITIAL_PUNCTUATION: - case G_UNICODE_OTHER_PUNCTUATION: - case G_UNICODE_OPEN_PUNCTUATION: - case G_UNICODE_CURRENCY_SYMBOL: - case G_UNICODE_MODIFIER_SYMBOL: - case G_UNICODE_MATH_SYMBOL: - case G_UNICODE_OTHER_SYMBOL: - case G_UNICODE_LINE_SEPARATOR: - case G_UNICODE_PARAGRAPH_SEPARATOR: - case G_UNICODE_SPACE_SEPARATOR: - default: - ch = g_unichar_tolower (ch); - g_unichar_fully_decompose (ch, FALSE, &retval, 1); - } - - return retval; -} - -static void -append_word (GPtrArray **word_array, - GString **word) -{ - if (*word != NULL) - { - if (*word_array == NULL) - *word_array = g_ptr_array_new_with_free_func (g_free); - g_ptr_array_add (*word_array, g_string_free (*word, FALSE)); - *word = NULL; - } -} - -GPtrArray * -tpaw_live_search_strip_utf8_string (const gchar *string) -{ - GPtrArray *word_array = NULL; - GString *word = NULL; - const gchar *p; - - if (TPAW_STR_EMPTY (string)) - return NULL; - - for (p = string; *p != '\0'; p = g_utf8_next_char (p)) - { - gunichar sc; - - /* Make the char lower-case, remove its accentuation marks, and ignore it - * if it is just unicode marks */ - sc = stripped_char (g_utf8_get_char (p)); - if (sc == 0) - continue; - - /* If it is not alpha-num, it is separator between words */ - if (!g_unichar_isalnum (sc)) - { - append_word (&word_array, &word); - continue; - } - - /* It is alpha-num, append this char to current word, or start new word */ - if (word == NULL) - word = g_string_new (NULL); - g_string_append_unichar (word, sc); - } - - append_word (&word_array, &word); - - return word_array; -} - -static gboolean -live_search_match_prefix (const gchar *string, - const gchar *prefix) -{ - const gchar *p; - const gchar *prefix_p; - gboolean next_word = FALSE; - - if (prefix == NULL || prefix[0] == 0) - return TRUE; - - if (TPAW_STR_EMPTY (string)) - return FALSE; - - prefix_p = prefix; - for (p = string; *p != '\0'; p = g_utf8_next_char (p)) - { - gunichar sc; - - /* Make the char lower-case, remove its accentuation marks, and ignore it - * if it is just unicode marks */ - sc = stripped_char (g_utf8_get_char (p)); - if (sc == 0) - continue; - - /* If we want to go to next word, ignore alpha-num chars */ - if (next_word && g_unichar_isalnum (sc)) - continue; - next_word = FALSE; - - /* Ignore word separators */ - if (!g_unichar_isalnum (sc)) - continue; - - /* If this char does not match prefix_p, go to next word and start again - * from the beginning of prefix */ - if (sc != g_utf8_get_char (prefix_p)) - { - next_word = TRUE; - prefix_p = prefix; - continue; - } - - /* prefix_p match, verify to next char. If this was the last of prefix, - * it means it completely machted and we are done. */ - prefix_p = g_utf8_next_char (prefix_p); - if (*prefix_p == '\0') - return TRUE; - } - - return FALSE; -} - -gboolean -tpaw_live_search_match_words (const gchar *string, - GPtrArray *words) -{ - guint i; - - if (words == NULL) - return TRUE; - - for (i = 0; i < words->len; i++) - if (!live_search_match_prefix (string, g_ptr_array_index (words, i))) - return FALSE; - - return TRUE; -} - -static gboolean -fire_key_navigation_sig (TpawLiveSearch *self, - GdkEventKey *event) -{ - gboolean ret; - - g_signal_emit (self, signals[KEYNAV], 0, event, &ret); - return ret; -} - -static gboolean -live_search_entry_key_pressed_cb (GtkEntry *entry, - GdkEventKey *event, - gpointer user_data) -{ - TpawLiveSearch *self = TPAW_LIVE_SEARCH (user_data); - - /* if esc key pressed, hide the search */ - if (event->keyval == GDK_KEY_Escape) - { - gtk_widget_hide (GTK_WIDGET (self)); - return TRUE; - } - - /* emit key navigation signal, so other widgets can respond to it properly */ - if (event->keyval == GDK_KEY_Up || event->keyval == GDK_KEY_Down - || event->keyval == GDK_KEY_Page_Up || event->keyval == GDK_KEY_Page_Down - || event->keyval == GDK_KEY_Menu) - { - return fire_key_navigation_sig (self, event); - } - - if (event->keyval == GDK_KEY_Home || event->keyval == GDK_KEY_End || - event->keyval == GDK_KEY_space) - { - /* If the live search is visible, the entry should catch the Home/End - * and space events */ - if (!gtk_widget_get_visible (GTK_WIDGET (self))) - { - return fire_key_navigation_sig (self, event); - } - } - - return FALSE; -} - -static void -live_search_text_changed (GtkEntry *entry, - gpointer user_data) -{ - TpawLiveSearch *self = TPAW_LIVE_SEARCH (user_data); - const gchar *text; - - text = gtk_entry_get_text (entry); - - if (TPAW_STR_EMPTY (text)) - gtk_widget_hide (GTK_WIDGET (self)); - else - gtk_widget_show (GTK_WIDGET (self)); - - if (self->priv->stripped_words != NULL) - g_ptr_array_unref (self->priv->stripped_words); - - self->priv->stripped_words = tpaw_live_search_strip_utf8_string (text); - - g_object_notify (G_OBJECT (self), "text"); -} - -static void -live_search_close_pressed (GtkEntry *entry, - GtkEntryIconPosition icon_pos, - GdkEvent *event, - gpointer user_data) -{ - TpawLiveSearch *self = TPAW_LIVE_SEARCH (user_data); - - gtk_widget_hide (GTK_WIDGET (self)); -} - -static gboolean -live_search_key_press_event_cb (GtkWidget *widget, - GdkEventKey *event, - gpointer user_data) -{ - TpawLiveSearch *self = TPAW_LIVE_SEARCH (user_data); - GdkEvent *new_event; - gboolean ret; - - /* dont forward this event to the entry, else the event is consumed by the - * entry and does not close the window */ - if (!gtk_widget_get_visible (GTK_WIDGET (self)) && - event->keyval == GDK_KEY_Escape) - return FALSE; - - /* do not show the search if CTRL and/or ALT are pressed with a key - * this is needed, because otherwise the CTRL + F accel would not work, - * because the entry consumes it */ - if (event->state & (GDK_MOD1_MASK | GDK_CONTROL_MASK) || - event->keyval == GDK_KEY_Control_L || - event->keyval == GDK_KEY_Control_R) - return FALSE; - - /* dont forward the up/down and Page Up/Down arrow keys to the entry, - * they are needed for navigation in the treeview and are not needed in - * the search entry */ - if (event->keyval == GDK_KEY_Up || event->keyval == GDK_KEY_Down || - event->keyval == GDK_KEY_Page_Up || event->keyval == GDK_KEY_Page_Down || - event->keyval == GDK_KEY_Menu) - return FALSE; - - if (event->keyval == GDK_KEY_Home || event->keyval == GDK_KEY_End || - event->keyval == GDK_KEY_space) - { - /* Home/End and space keys have to be forwarded to the entry only if - * the live search is visible (to move the cursor inside the entry). */ - if (!gtk_widget_get_visible (GTK_WIDGET (self))) - return FALSE; - } - - /* Don't forward shift keys events as focusing the search entry would - * cancel an in-progress editing on a cell renderer (like when renaming a - * group). There is no point focusing it anyway as we don't display the - * search entry when only a shift key is pressed. */ - if (event->keyval == GDK_KEY_Shift_L || - event->keyval == GDK_KEY_Shift_R) - return FALSE; - - /* realize the widget if it is not realized yet */ - gtk_widget_realize (self->priv->search_entry); - if (!gtk_widget_has_focus (self->priv->search_entry)) - { - gtk_widget_grab_focus (self->priv->search_entry); - gtk_editable_set_position (GTK_EDITABLE (self->priv->search_entry), -1); - } - - /* forward the event to the search entry */ - new_event = gdk_event_copy ((GdkEvent *) event); - ret = gtk_widget_event (self->priv->search_entry, new_event); - gdk_event_free (new_event); - - return ret; -} - -static void -live_search_entry_activate_cb (GtkEntry *entry, - TpawLiveSearch *self) -{ - g_signal_emit (self, signals[ACTIVATE], 0); -} - -static void -live_search_release_hook_widget (TpawLiveSearch *self) -{ - /* remove old handlers if old source was not null */ - if (self->priv->hook_widget != NULL) - { - g_signal_handlers_disconnect_by_func (self->priv->hook_widget, - live_search_key_press_event_cb, self); - g_signal_handlers_disconnect_by_func (self->priv->hook_widget, - live_search_hook_widget_destroy_cb, self); - g_object_unref (self->priv->hook_widget); - self->priv->hook_widget = NULL; - } -} - -static void -live_search_hook_widget_destroy_cb (GtkWidget *object, - gpointer user_data) -{ - TpawLiveSearch *self = TPAW_LIVE_SEARCH (user_data); - - /* unref the hook widget and hide search */ - gtk_widget_hide (GTK_WIDGET (self)); - live_search_release_hook_widget (self); -} - -static void -live_search_dispose (GObject *obj) -{ - TpawLiveSearch *self = TPAW_LIVE_SEARCH (obj); - - live_search_release_hook_widget (self); - - if (G_OBJECT_CLASS (tpaw_live_search_parent_class)->dispose != NULL) - G_OBJECT_CLASS (tpaw_live_search_parent_class)->dispose (obj); -} - -static void -live_search_finalize (GObject *obj) -{ - TpawLiveSearch *self = TPAW_LIVE_SEARCH (obj); - - if (self->priv->stripped_words != NULL) - g_ptr_array_unref (self->priv->stripped_words); - - if (G_OBJECT_CLASS (tpaw_live_search_parent_class)->finalize != NULL) - G_OBJECT_CLASS (tpaw_live_search_parent_class)->finalize (obj); -} - -static void -live_search_get_property (GObject *object, - guint param_id, - GValue *value, - GParamSpec *pspec) -{ - TpawLiveSearch *self = TPAW_LIVE_SEARCH (object); - - switch (param_id) - { - case PROP_HOOK_WIDGET: - g_value_set_object (value, tpaw_live_search_get_hook_widget (self)); - break; - case PROP_TEXT: - g_value_set_string (value, tpaw_live_search_get_text (self)); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); - break; - } -} - -static void -live_search_set_property (GObject *object, - guint param_id, - const GValue *value, - GParamSpec *pspec) -{ - TpawLiveSearch *self = TPAW_LIVE_SEARCH (object); - - switch (param_id) { - case PROP_HOOK_WIDGET: - tpaw_live_search_set_hook_widget (self, g_value_get_object (value)); - break; - case PROP_TEXT: - tpaw_live_search_set_text (self, g_value_get_string (value)); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); - break; - }; -} - -static void -live_search_unmap (GtkWidget *widget) -{ - TpawLiveSearch *self = TPAW_LIVE_SEARCH (widget); - - GTK_WIDGET_CLASS (tpaw_live_search_parent_class)->unmap (widget); - - /* unmap can happen if a parent gets hidden, in that case we want to hide - * the live search as well, so when it gets mapped again, the live search - * won't be shown. */ - gtk_widget_hide (widget); - - gtk_entry_set_text (GTK_ENTRY (self->priv->search_entry), ""); - - if (self->priv->hook_widget != NULL) - gtk_widget_grab_focus (self->priv->hook_widget); -} - -static void -live_search_show (GtkWidget *widget) -{ - TpawLiveSearch *self = TPAW_LIVE_SEARCH (widget); - - if (!gtk_widget_has_focus (self->priv->search_entry)) - gtk_widget_grab_focus (self->priv->search_entry); - - GTK_WIDGET_CLASS (tpaw_live_search_parent_class)->show (widget); -} - -static void -live_search_grab_focus (GtkWidget *widget) -{ - TpawLiveSearch *self = TPAW_LIVE_SEARCH (widget); - - if (!gtk_widget_has_focus (self->priv->search_entry)) - { - gtk_widget_grab_focus (self->priv->search_entry); - gtk_editable_set_position (GTK_EDITABLE (self->priv->search_entry), -1); - } -} - -static void -tpaw_live_search_class_init (TpawLiveSearchClass *klass) -{ - GObjectClass *object_class = (GObjectClass *) klass; - GtkWidgetClass *widget_class = (GtkWidgetClass *) klass; - GParamSpec *param_spec; - - object_class->finalize = live_search_finalize; - object_class->dispose = live_search_dispose; - object_class->get_property = live_search_get_property; - object_class->set_property = live_search_set_property; - - widget_class->unmap = live_search_unmap; - widget_class->show = live_search_show; - widget_class->grab_focus = live_search_grab_focus; - - signals[ACTIVATE] = g_signal_new ("activate", - G_TYPE_FROM_CLASS (object_class), - G_SIGNAL_RUN_LAST, - 0, - NULL, NULL, - g_cclosure_marshal_generic, - G_TYPE_NONE, 0); - - signals[KEYNAV] = g_signal_new ("key-navigation", - G_TYPE_FROM_CLASS (object_class), - G_SIGNAL_RUN_LAST, - 0, - g_signal_accumulator_true_handled, NULL, - g_cclosure_marshal_generic, - G_TYPE_BOOLEAN, 1, GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE); - - param_spec = g_param_spec_object ("hook-widget", "Live Search Hook Widget", - "The live search catches key-press-events on this widget", - GTK_TYPE_WIDGET, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); - g_object_class_install_property (object_class, PROP_HOOK_WIDGET, - param_spec); - - param_spec = g_param_spec_string ("text", "Live Search Text", - "The text of the live search entry", - "", G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); - g_object_class_install_property (object_class, PROP_TEXT, param_spec); - - g_type_class_add_private (klass, sizeof (TpawLiveSearchPriv)); -} - -static void -tpaw_live_search_init (TpawLiveSearch *self) -{ - self->priv = G_TYPE_INSTANCE_GET_PRIVATE ((self), TPAW_TYPE_LIVE_SEARCH, - TpawLiveSearchPriv); - - gtk_widget_set_no_show_all (GTK_WIDGET (self), TRUE); - - self->priv->search_entry = gtk_entry_new (); - gtk_entry_set_icon_from_stock (GTK_ENTRY (self->priv->search_entry), - GTK_ENTRY_ICON_SECONDARY, GTK_STOCK_CLOSE); - gtk_entry_set_icon_activatable (GTK_ENTRY (self->priv->search_entry), - GTK_ENTRY_ICON_SECONDARY, TRUE); - gtk_entry_set_icon_sensitive (GTK_ENTRY (self->priv->search_entry), - GTK_ENTRY_ICON_SECONDARY, TRUE); - gtk_widget_show (self->priv->search_entry); - - gtk_box_pack_start (GTK_BOX (self), self->priv->search_entry, TRUE, TRUE, 0); - - g_signal_connect (self->priv->search_entry, "icon_release", - G_CALLBACK (live_search_close_pressed), self); - g_signal_connect (self->priv->search_entry, "changed", - G_CALLBACK (live_search_text_changed), self); - g_signal_connect (self->priv->search_entry, "key-press-event", - G_CALLBACK (live_search_entry_key_pressed_cb), self); - g_signal_connect (self->priv->search_entry, "activate", - G_CALLBACK (live_search_entry_activate_cb), self); - - self->priv->hook_widget = NULL; -} - -GtkWidget * -tpaw_live_search_new (GtkWidget *hook) -{ - g_return_val_if_fail (hook == NULL || GTK_IS_WIDGET (hook), NULL); - - return g_object_new (TPAW_TYPE_LIVE_SEARCH, - "hook-widget", hook, - NULL); -} - -/* public methods */ - -GtkWidget * -tpaw_live_search_get_hook_widget (TpawLiveSearch *self) -{ - g_return_val_if_fail (TPAW_IS_LIVE_SEARCH (self), NULL); - - return self->priv->hook_widget; -} - -void -tpaw_live_search_set_hook_widget (TpawLiveSearch *self, - GtkWidget *hook) -{ - g_return_if_fail (TPAW_IS_LIVE_SEARCH (self)); - g_return_if_fail (hook == NULL || GTK_IS_WIDGET (hook)); - - /* release the actual widget */ - live_search_release_hook_widget (self); - - /* connect handlers if new source is not null */ - if (hook != NULL) - { - self->priv->hook_widget = g_object_ref (hook); - g_signal_connect (self->priv->hook_widget, "key-press-event", - G_CALLBACK (live_search_key_press_event_cb), - self); - g_signal_connect (self->priv->hook_widget, "destroy", - G_CALLBACK (live_search_hook_widget_destroy_cb), - self); - } -} - -const gchar * -tpaw_live_search_get_text (TpawLiveSearch *self) -{ - g_return_val_if_fail (TPAW_IS_LIVE_SEARCH (self), NULL); - - return gtk_entry_get_text (GTK_ENTRY (self->priv->search_entry)); -} - -void -tpaw_live_search_set_text (TpawLiveSearch *self, - const gchar *text) -{ - g_return_if_fail (TPAW_IS_LIVE_SEARCH (self)); - g_return_if_fail (text != NULL); - - gtk_entry_set_text (GTK_ENTRY (self->priv->search_entry), text); -} - -/** - * tpaw_live_search_match: - * @self: a #TpawLiveSearch - * @string: a string where to search, must be valid UTF-8. - * - * Search if one of the words in @string string starts with the current text - * of @self. - * - * Searching for "aba" in "Abasto" will match, searching in "Moraba" will not, - * and searching in "A tool (abacus)" will do. - * - * The match is not case-sensitive, and regardless of the accentuation marks. - * - * Returns: %TRUE if a match is found, %FALSE otherwise. - * - **/ -gboolean -tpaw_live_search_match (TpawLiveSearch *self, - const gchar *string) -{ - g_return_val_if_fail (TPAW_IS_LIVE_SEARCH (self), FALSE); - - return tpaw_live_search_match_words (string, self->priv->stripped_words); -} - -gboolean -tpaw_live_search_match_string (const gchar *string, - const gchar *prefix) -{ - GPtrArray *words; - gboolean match; - - words = tpaw_live_search_strip_utf8_string (prefix); - match = tpaw_live_search_match_words (string, words); - if (words != NULL) - g_ptr_array_unref (words); - - return match; -} - -GPtrArray * -tpaw_live_search_get_words (TpawLiveSearch *self) -{ - return self->priv->stripped_words; -} |