diff options
Diffstat (limited to 'e-util/e-search-bar.c')
| -rw-r--r-- | e-util/e-search-bar.c | 771 |
1 files changed, 771 insertions, 0 deletions
diff --git a/e-util/e-search-bar.c b/e-util/e-search-bar.c new file mode 100644 index 0000000000..9ed0c2d1c9 --- /dev/null +++ b/e-util/e-search-bar.c @@ -0,0 +1,771 @@ +/* + * e-search-bar.c + * + * This program 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 of the License, or (at your option) version 3. + * + * This program 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 the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "e-search-bar.h" + +#include <glib/gi18n.h> +#include <gdk/gdkkeysyms.h> + +#define E_SEARCH_BAR_GET_PRIVATE(obj) \ + (G_TYPE_INSTANCE_GET_PRIVATE \ + ((obj), E_TYPE_SEARCH_BAR, ESearchBarPrivate)) + +struct _ESearchBarPrivate { + EWebView *web_view; + GtkWidget *entry; + GtkWidget *case_sensitive_button; + GtkWidget *wrapped_next_box; + GtkWidget *wrapped_prev_box; + GtkWidget *matches_label; + + gchar *active_search; + + guint rerun_search : 1; +}; + +enum { + PROP_0, + PROP_ACTIVE_SEARCH, + PROP_CASE_SENSITIVE, + PROP_TEXT, + PROP_WEB_VIEW +}; + +enum { + CHANGED, + CLEAR, + LAST_SIGNAL +}; + +static guint signals[LAST_SIGNAL]; + +G_DEFINE_TYPE ( + ESearchBar, + e_search_bar, + GTK_TYPE_HBOX) + +static void +search_bar_update_matches (ESearchBar *search_bar, + guint matches) +{ + GtkWidget *matches_label; + gchar *text; + + search_bar->priv->rerun_search = FALSE; + matches_label = search_bar->priv->matches_label; + + text = g_strdup_printf (_("Matches: %u"), matches); + gtk_label_set_text (GTK_LABEL (matches_label), text); + gtk_widget_show (matches_label); + g_free (text); +} + +static void +search_bar_update_highlights (ESearchBar *search_bar) +{ + EWebView *web_view; + gboolean visible; + + web_view = e_search_bar_get_web_view (search_bar); + + visible = gtk_widget_get_visible (GTK_WIDGET (search_bar)); + + webkit_web_view_set_highlight_text_matches ( + WEBKIT_WEB_VIEW (web_view), visible); + + e_search_bar_changed (search_bar); +} + +static void +search_bar_find (ESearchBar *search_bar, + gboolean search_forward) +{ + EWebView *web_view; + GtkWidget *widget; + gboolean case_sensitive; + gboolean new_search; + gboolean wrapped = FALSE; + gboolean success; + gchar *text; + + web_view = e_search_bar_get_web_view (search_bar); + case_sensitive = e_search_bar_get_case_sensitive (search_bar); + text = e_search_bar_get_text (search_bar); + + if (text == NULL || *text == '\0') { + e_search_bar_clear (search_bar); + g_free (text); + return; + } + + new_search = + (search_bar->priv->active_search == NULL) || + (g_strcmp0 (text, search_bar->priv->active_search) != 0); + + if (new_search) { + guint matches; + + webkit_web_view_unmark_text_matches ( + WEBKIT_WEB_VIEW (web_view)); + matches = webkit_web_view_mark_text_matches ( + WEBKIT_WEB_VIEW (web_view), + text, case_sensitive, 0); + webkit_web_view_set_highlight_text_matches ( + WEBKIT_WEB_VIEW (web_view), TRUE); + search_bar_update_matches (search_bar, matches); + } + + success = webkit_web_view_search_text ( + WEBKIT_WEB_VIEW (web_view), + text, case_sensitive, search_forward, FALSE); + + if (!success) + wrapped = webkit_web_view_search_text ( + WEBKIT_WEB_VIEW (web_view), + text, case_sensitive, search_forward, TRUE); + + g_free (search_bar->priv->active_search); + search_bar->priv->active_search = text; + + g_object_notify (G_OBJECT (search_bar), "active-search"); + + /* Update wrapped label visibility. */ + + widget = search_bar->priv->wrapped_next_box; + + if (wrapped && search_forward) + gtk_widget_show (widget); + else + gtk_widget_hide (widget); + + widget = search_bar->priv->wrapped_prev_box; + + if (wrapped && !search_forward) + gtk_widget_show (widget); + else + gtk_widget_hide (widget); +} + +static void +search_bar_changed_cb (ESearchBar *search_bar) +{ + g_object_notify (G_OBJECT (search_bar), "text"); +} + +static void +search_bar_find_next_cb (ESearchBar *search_bar) +{ + search_bar_find (search_bar, TRUE); +} + +static void +search_bar_find_previous_cb (ESearchBar *search_bar) +{ + search_bar_find (search_bar, FALSE); +} + +static void +search_bar_icon_release_cb (ESearchBar *search_bar, + GtkEntryIconPosition icon_pos, + GdkEvent *event) +{ + g_return_if_fail (icon_pos == GTK_ENTRY_ICON_SECONDARY); + + e_search_bar_clear (search_bar); + gtk_widget_grab_focus (search_bar->priv->entry); +} + +static void +search_bar_toggled_cb (ESearchBar *search_bar) +{ + g_free (search_bar->priv->active_search); + search_bar->priv->active_search = NULL; + + g_object_notify (G_OBJECT (search_bar), "active-search"); + g_object_notify (G_OBJECT (search_bar), "case-sensitive"); +} + +static void +search_bar_set_web_view (ESearchBar *search_bar, + EWebView *web_view) +{ + g_return_if_fail (E_IS_WEB_VIEW (web_view)); + g_return_if_fail (search_bar->priv->web_view == NULL); + + search_bar->priv->web_view = g_object_ref (web_view); +} + +static void +search_bar_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + switch (property_id) { + case PROP_CASE_SENSITIVE: + e_search_bar_set_case_sensitive ( + E_SEARCH_BAR (object), + g_value_get_boolean (value)); + return; + + case PROP_TEXT: + e_search_bar_set_text ( + E_SEARCH_BAR (object), + g_value_get_string (value)); + return; + + case PROP_WEB_VIEW: + search_bar_set_web_view ( + E_SEARCH_BAR (object), + g_value_get_object (value)); + return; + } + + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); +} + +static void +search_bar_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + switch (property_id) { + case PROP_ACTIVE_SEARCH: + g_value_set_boolean ( + value, e_search_bar_get_active_search ( + E_SEARCH_BAR (object))); + return; + + case PROP_CASE_SENSITIVE: + g_value_set_boolean ( + value, e_search_bar_get_case_sensitive ( + E_SEARCH_BAR (object))); + return; + + case PROP_TEXT: + g_value_take_string ( + value, e_search_bar_get_text ( + E_SEARCH_BAR (object))); + return; + + case PROP_WEB_VIEW: + g_value_set_object ( + value, e_search_bar_get_web_view ( + E_SEARCH_BAR (object))); + return; + } + + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); +} + +static void +search_bar_dispose (GObject *object) +{ + ESearchBarPrivate *priv; + + priv = E_SEARCH_BAR_GET_PRIVATE (object); + + if (priv->web_view != NULL) { + g_object_unref (priv->web_view); + priv->web_view = NULL; + } + + if (priv->entry != NULL) { + g_object_unref (priv->entry); + priv->entry = NULL; + } + + if (priv->case_sensitive_button != NULL) { + g_object_unref (priv->case_sensitive_button); + priv->case_sensitive_button = NULL; + } + + if (priv->wrapped_next_box != NULL) { + g_object_unref (priv->wrapped_next_box); + priv->wrapped_next_box = NULL; + } + + if (priv->wrapped_prev_box != NULL) { + g_object_unref (priv->wrapped_prev_box); + priv->wrapped_prev_box = NULL; + } + + if (priv->matches_label != NULL) { + g_object_unref (priv->matches_label); + priv->matches_label = NULL; + } + + /* Chain up to parent's dispose() method. */ + G_OBJECT_CLASS (e_search_bar_parent_class)->dispose (object); +} + +static void +search_bar_finalize (GObject *object) +{ + ESearchBarPrivate *priv; + + priv = E_SEARCH_BAR_GET_PRIVATE (object); + + g_free (priv->active_search); + + /* Chain up to parent's finalize() method. */ + G_OBJECT_CLASS (e_search_bar_parent_class)->finalize (object); +} + +static void +search_bar_constructed (GObject *object) +{ + ESearchBarPrivate *priv; + + priv = E_SEARCH_BAR_GET_PRIVATE (object); + + g_object_bind_property ( + object, "case-sensitive", + priv->case_sensitive_button, "active", + G_BINDING_BIDIRECTIONAL | + G_BINDING_SYNC_CREATE); + + /* Chain up to parent's constructed() method. */ + G_OBJECT_CLASS (e_search_bar_parent_class)->constructed (object); +} + +static void +search_bar_show (GtkWidget *widget) +{ + ESearchBar *search_bar; + + search_bar = E_SEARCH_BAR (widget); + + /* Chain up to parent's show() method. */ + GTK_WIDGET_CLASS (e_search_bar_parent_class)->show (widget); + + gtk_widget_grab_focus (search_bar->priv->entry); + + search_bar_update_highlights (search_bar); +} + +static void +search_bar_hide (GtkWidget *widget) +{ + ESearchBar *search_bar; + + search_bar = E_SEARCH_BAR (widget); + + /* Chain up to parent's hide() method. */ + GTK_WIDGET_CLASS (e_search_bar_parent_class)->hide (widget); + + search_bar_update_highlights (search_bar); +} + +static gboolean +search_bar_key_press_event (GtkWidget *widget, + GdkEventKey *event) +{ + GtkWidgetClass *widget_class; + + if (event->keyval == GDK_KEY_Escape) { + gtk_widget_hide (widget); + return TRUE; + } + + /* Chain up to parent's key_press_event() method. */ + widget_class = GTK_WIDGET_CLASS (e_search_bar_parent_class); + return widget_class->key_press_event (widget, event); +} + +static void +search_bar_clear (ESearchBar *search_bar) +{ + WebKitWebView *web_view; + + g_free (search_bar->priv->active_search); + search_bar->priv->active_search = NULL; + + gtk_entry_set_text (GTK_ENTRY (search_bar->priv->entry), ""); + + gtk_widget_hide (search_bar->priv->wrapped_next_box); + gtk_widget_hide (search_bar->priv->wrapped_prev_box); + gtk_widget_hide (search_bar->priv->matches_label); + + search_bar_update_highlights (search_bar); + + web_view = WEBKIT_WEB_VIEW (search_bar->priv->web_view); + webkit_web_view_unmark_text_matches (web_view); + + g_object_notify (G_OBJECT (search_bar), "active-search"); +} + +static void +e_search_bar_class_init (ESearchBarClass *class) +{ + GObjectClass *object_class; + GtkWidgetClass *widget_class; + + g_type_class_add_private (class, sizeof (ESearchBarPrivate)); + + object_class = G_OBJECT_CLASS (class); + object_class->set_property = search_bar_set_property; + object_class->get_property = search_bar_get_property; + object_class->dispose = search_bar_dispose; + object_class->finalize = search_bar_finalize; + object_class->constructed = search_bar_constructed; + + widget_class = GTK_WIDGET_CLASS (class); + widget_class->show = search_bar_show; + widget_class->hide = search_bar_hide; + widget_class->key_press_event = search_bar_key_press_event; + + class->clear = search_bar_clear; + + g_object_class_install_property ( + object_class, + PROP_ACTIVE_SEARCH, + g_param_spec_boolean ( + "active-search", + "Active Search", + NULL, + FALSE, + G_PARAM_READABLE)); + + g_object_class_install_property ( + object_class, + PROP_CASE_SENSITIVE, + g_param_spec_boolean ( + "case-sensitive", + "Case Sensitive", + NULL, + FALSE, + G_PARAM_READWRITE)); + + g_object_class_install_property ( + object_class, + PROP_TEXT, + g_param_spec_string ( + "text", + "Search Text", + NULL, + NULL, + G_PARAM_READWRITE)); + + g_object_class_install_property ( + object_class, + PROP_WEB_VIEW, + g_param_spec_object ( + "web-view", + "Web View", + NULL, + E_TYPE_WEB_VIEW, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + + signals[CHANGED] = g_signal_new ( + "changed", + G_TYPE_FROM_CLASS (class), + G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION, + G_STRUCT_OFFSET (ESearchBarClass, changed), + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); + + signals[CLEAR] = g_signal_new ( + "clear", + G_TYPE_FROM_CLASS (class), + G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION, + G_STRUCT_OFFSET (ESearchBarClass, clear), + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); +} + +static void +e_search_bar_init (ESearchBar *search_bar) +{ + GtkWidget *label; + GtkWidget *widget; + GtkWidget *container; + + search_bar->priv = E_SEARCH_BAR_GET_PRIVATE (search_bar); + + gtk_box_set_spacing (GTK_BOX (search_bar), 12); + + container = GTK_WIDGET (search_bar); + + widget = gtk_hbox_new (FALSE, 1); + gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0); + gtk_widget_show (widget); + + container = widget; + + widget = gtk_button_new (); + gtk_button_set_image ( + GTK_BUTTON (widget), gtk_image_new_from_stock ( + GTK_STOCK_CLOSE, GTK_ICON_SIZE_MENU)); + gtk_button_set_relief (GTK_BUTTON (widget), GTK_RELIEF_NONE); + gtk_widget_set_tooltip_text (widget, _("Close the find bar")); + gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0); + gtk_widget_show (widget); + + g_signal_connect_swapped ( + widget, "clicked", + G_CALLBACK (gtk_widget_hide), search_bar); + + widget = gtk_label_new_with_mnemonic (_("Fin_d:")); + gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 3); + gtk_widget_show (widget); + + label = widget; + + widget = gtk_entry_new (); + gtk_entry_set_icon_from_stock ( + GTK_ENTRY (widget), GTK_ENTRY_ICON_SECONDARY, + GTK_STOCK_CLEAR); + gtk_entry_set_icon_tooltip_text ( + GTK_ENTRY (widget), GTK_ENTRY_ICON_SECONDARY, + _("Clear the search")); + gtk_label_set_mnemonic_widget (GTK_LABEL (label), widget); + gtk_widget_set_size_request (widget, 200, -1); + gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0); + search_bar->priv->entry = g_object_ref (widget); + gtk_widget_show (widget); + + g_object_bind_property ( + search_bar, "active-search", + widget, "secondary-icon-sensitive", + G_BINDING_SYNC_CREATE); + + g_signal_connect_swapped ( + widget, "activate", + G_CALLBACK (search_bar_find_next_cb), search_bar); + + g_signal_connect_swapped ( + widget, "changed", + G_CALLBACK (search_bar_changed_cb), search_bar); + + g_signal_connect_swapped ( + widget, "icon-release", + G_CALLBACK (search_bar_icon_release_cb), search_bar); + + widget = gtk_button_new_with_mnemonic (_("_Previous")); + gtk_button_set_image ( + GTK_BUTTON (widget), gtk_image_new_from_stock ( + GTK_STOCK_GO_BACK, GTK_ICON_SIZE_MENU)); + gtk_button_set_relief (GTK_BUTTON (widget), GTK_RELIEF_NONE); + gtk_widget_set_tooltip_text ( + widget, _("Find the previous occurrence of the phrase")); + gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0); + gtk_widget_show (widget); + + g_object_bind_property ( + search_bar, "active-search", + widget, "sensitive", + G_BINDING_SYNC_CREATE); + + g_signal_connect_swapped ( + widget, "clicked", + G_CALLBACK (search_bar_find_previous_cb), search_bar); + + widget = gtk_button_new_with_mnemonic (_("_Next")); + gtk_button_set_image ( + GTK_BUTTON (widget), gtk_image_new_from_stock ( + GTK_STOCK_GO_FORWARD, GTK_ICON_SIZE_MENU)); + gtk_button_set_relief (GTK_BUTTON (widget), GTK_RELIEF_NONE); + gtk_widget_set_tooltip_text ( + widget, _("Find the next occurrence of the phrase")); + gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0); + gtk_widget_show (widget); + + g_object_bind_property ( + search_bar, "active-search", + widget, "sensitive", + G_BINDING_SYNC_CREATE); + + g_signal_connect_swapped ( + widget, "clicked", + G_CALLBACK (search_bar_find_next_cb), search_bar); + + widget = gtk_check_button_new_with_mnemonic (_("Mat_ch case")); + gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0); + search_bar->priv->case_sensitive_button = g_object_ref (widget); + gtk_widget_show (widget); + + g_signal_connect_swapped ( + widget, "toggled", + G_CALLBACK (search_bar_toggled_cb), search_bar); + + g_signal_connect_swapped ( + widget, "toggled", + G_CALLBACK (search_bar_find_next_cb), search_bar); + + container = GTK_WIDGET (search_bar); + + widget = gtk_hbox_new (FALSE, 6); + gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0); + search_bar->priv->wrapped_next_box = g_object_ref (widget); + gtk_widget_hide (widget); + + container = widget; + + widget = gtk_image_new_from_icon_name ( + "wrapped", GTK_ICON_SIZE_MENU); + gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0); + gtk_widget_show (widget); + + widget = gtk_label_new ( + _("Reached bottom of page, continued from top")); + gtk_label_set_ellipsize ( + GTK_LABEL (widget), PANGO_ELLIPSIZE_END); + gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.5); + gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0); + gtk_widget_show (widget); + + container = GTK_WIDGET (search_bar); + + widget = gtk_hbox_new (FALSE, 6); + gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0); + search_bar->priv->wrapped_prev_box = g_object_ref (widget); + gtk_widget_hide (widget); + + container = widget; + + widget = gtk_image_new_from_icon_name ( + "wrapped", GTK_ICON_SIZE_MENU); + gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0); + gtk_widget_show (widget); + + widget = gtk_label_new ( + _("Reached top of page, continued from bottom")); + gtk_label_set_ellipsize ( + GTK_LABEL (widget), PANGO_ELLIPSIZE_END); + gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.5); + gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0); + gtk_widget_show (widget); + + container = GTK_WIDGET (search_bar); + + widget = gtk_label_new (NULL); + gtk_box_pack_end (GTK_BOX (container), widget, FALSE, FALSE, 12); + search_bar->priv->matches_label = g_object_ref (widget); + gtk_widget_show (widget); +} + +GtkWidget * +e_search_bar_new (EWebView *web_view) +{ + g_return_val_if_fail (E_IS_WEB_VIEW (web_view), NULL); + + return g_object_new ( + E_TYPE_SEARCH_BAR, "web-view", web_view, NULL); +} + +void +e_search_bar_clear (ESearchBar *search_bar) +{ + g_return_if_fail (E_IS_SEARCH_BAR (search_bar)); + + g_signal_emit (search_bar, signals[CLEAR], 0); +} + +void +e_search_bar_changed (ESearchBar *search_bar) +{ + g_return_if_fail (E_IS_SEARCH_BAR (search_bar)); + + g_signal_emit (search_bar, signals[CHANGED], 0); +} + +EWebView * +e_search_bar_get_web_view (ESearchBar *search_bar) +{ + g_return_val_if_fail (E_IS_SEARCH_BAR (search_bar), NULL); + + return search_bar->priv->web_view; +} + +gboolean +e_search_bar_get_active_search (ESearchBar *search_bar) +{ + g_return_val_if_fail (E_IS_SEARCH_BAR (search_bar), FALSE); + + return (search_bar->priv->active_search != NULL); +} + +gboolean +e_search_bar_get_case_sensitive (ESearchBar *search_bar) +{ + GtkToggleButton *button; + + g_return_val_if_fail (E_IS_SEARCH_BAR (search_bar), FALSE); + + button = GTK_TOGGLE_BUTTON (search_bar->priv->case_sensitive_button); + + return gtk_toggle_button_get_active (button); +} + +void +e_search_bar_set_case_sensitive (ESearchBar *search_bar, + gboolean case_sensitive) +{ + GtkToggleButton *button; + + g_return_if_fail (E_IS_SEARCH_BAR (search_bar)); + + button = GTK_TOGGLE_BUTTON (search_bar->priv->case_sensitive_button); + + gtk_toggle_button_set_active (button, case_sensitive); + + g_object_notify (G_OBJECT (search_bar), "case-sensitive"); +} + +gchar * +e_search_bar_get_text (ESearchBar *search_bar) +{ + GtkEntry *entry; + const gchar *text; + + g_return_val_if_fail (E_IS_SEARCH_BAR (search_bar), NULL); + + entry = GTK_ENTRY (search_bar->priv->entry); + text = gtk_entry_get_text (entry); + + return g_strstrip (g_strdup (text)); +} + +void +e_search_bar_set_text (ESearchBar *search_bar, + const gchar *text) +{ + GtkEntry *entry; + + g_return_if_fail (E_IS_SEARCH_BAR (search_bar)); + + entry = GTK_ENTRY (search_bar->priv->entry); + + if (text == NULL) + text = ""; + + /* This will trigger a "notify::text" signal. */ + gtk_entry_set_text (entry, text); +} |