/* * Copyright (C) 2003, 2004 Marco Pesenti Gritti * Copyright (C) 2003, 2004 Christian Persch * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * */ #include "config.h" #include <string.h> #include <glib/gi18n.h> #include <gtk/gtk.h> #include <atril-document.h> #include "ev-page-action.h" #include "ev-page-action-widget.h" /* Widget we pass back */ static void ev_page_action_widget_init (EvPageActionWidget *action_widget); static void ev_page_action_widget_class_init (EvPageActionWidgetClass *action_widget); enum { WIDGET_ACTIVATE_LINK, WIDGET_N_SIGNALS }; struct _EvPageActionWidget { GtkToolItem parent; EvDocument *document; EvDocumentModel *doc_model; GtkWidget *entry; GtkWidget *label; guint signal_id; GtkTreeModel *filter_model; GtkTreeModel *model; }; static guint widget_signals[WIDGET_N_SIGNALS] = {0, }; G_DEFINE_TYPE (EvPageActionWidget, ev_page_action_widget, GTK_TYPE_TOOL_ITEM) static void update_pages_label (EvPageActionWidget *action_widget, gint page) { char *label_text; gint n_pages; n_pages = ev_document_get_n_pages (action_widget->document); if (ev_document_has_text_page_labels (action_widget->document)) { label_text = g_strdup_printf (_("(%d of %d)"), page + 1, n_pages); } else { label_text = g_strdup_printf (_("of %d"), n_pages); } gtk_label_set_text (GTK_LABEL (action_widget->label), label_text); g_free (label_text); } static void ev_page_action_widget_set_current_page (EvPageActionWidget *action_widget, gint page) { if (page >= 0) { gchar *page_label; gtk_entry_set_width_chars (GTK_ENTRY (action_widget->entry), CLAMP (ev_document_get_max_label_len (action_widget->document), 6, 12)); page_label = ev_document_get_page_label (action_widget->document, page); gtk_entry_set_text (GTK_ENTRY (action_widget->entry), page_label); gtk_editable_set_position (GTK_EDITABLE (action_widget->entry), -1); g_free (page_label); } else { gtk_entry_set_text (GTK_ENTRY (action_widget->entry), ""); } update_pages_label (action_widget, page); } static void page_changed_cb (EvDocumentModel *model, gint old_page, gint new_page, EvPageActionWidget *action_widget) { ev_page_action_widget_set_current_page (action_widget, new_page); } static gboolean page_scroll_cb (EvPageActionWidget *action_widget, GdkEventScroll *event) { EvDocumentModel *model = action_widget->doc_model; gint pageno; pageno = ev_document_model_get_page (model); if ((event->direction == GDK_SCROLL_DOWN) && (pageno < ev_document_get_n_pages (action_widget->document) - 1)) pageno++; if ((event->direction == GDK_SCROLL_UP) && (pageno > 0)) pageno--; ev_document_model_set_page (model, pageno); return TRUE; } static void activate_cb (EvPageActionWidget *action_widget) { EvDocumentModel *model; const char *text; EvLinkDest *link_dest; EvLinkAction *link_action; EvLink *link; gchar *link_text; gint current_page; model = action_widget->doc_model; current_page = ev_document_model_get_page (model); text = gtk_entry_get_text (GTK_ENTRY (action_widget->entry)); link_dest = ev_link_dest_new_page_label (text); link_action = ev_link_action_new_dest (link_dest); link_text = g_strdup_printf ("Page: %s", text); link = ev_link_new (link_text, link_action); g_signal_emit (action_widget, widget_signals[WIDGET_ACTIVATE_LINK], 0, link); g_object_unref (link); g_free (link_text); if (current_page == ev_document_model_get_page (model)) ev_page_action_widget_set_current_page (action_widget, current_page); } static void ev_page_action_widget_init (EvPageActionWidget *action_widget) { GtkWidget *hbox; AtkObject *obj; hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0); gtk_box_set_spacing (GTK_BOX (hbox), 6); action_widget->entry = gtk_entry_new (); gtk_widget_add_events (action_widget->entry, GDK_BUTTON_MOTION_MASK); gtk_entry_set_width_chars (GTK_ENTRY (action_widget->entry), 5); gtk_entry_set_text (GTK_ENTRY (action_widget->entry), ""); g_signal_connect_swapped (action_widget->entry, "scroll-event", G_CALLBACK (page_scroll_cb), action_widget); g_signal_connect_swapped (action_widget->entry, "activate", G_CALLBACK (activate_cb), action_widget); obj = gtk_widget_get_accessible (action_widget->entry); atk_object_set_name (obj, "page-label-entry"); gtk_box_pack_start (GTK_BOX (hbox), action_widget->entry, FALSE, FALSE, 0); gtk_widget_show (action_widget->entry); action_widget->label = gtk_label_new (NULL); gtk_label_set_width_chars (GTK_LABEL (action_widget->label), 14); #if GTK_CHECK_VERSION (3, 16, 0) gtk_label_set_xalign (GTK_LABEL (action_widget->label), 0.0); #else gtk_misc_set_alignment (GTK_MISC (action_widget->label), 0.0, 0.5); #endif gtk_box_pack_start (GTK_BOX (hbox), action_widget->label, FALSE, FALSE, 0); gtk_widget_show (action_widget->label); gtk_container_set_border_width (GTK_CONTAINER (action_widget), 6); gtk_container_add (GTK_CONTAINER (action_widget), hbox); gtk_widget_show (hbox); gtk_widget_show (GTK_WIDGET (action_widget)); } static void ev_page_action_widget_document_changed_cb (EvDocumentModel *model, GParamSpec *pspec, EvPageActionWidget *action_widget) { EvDocument *document = ev_document_model_get_document (model); g_object_ref (document); if (action_widget->document) g_object_unref (action_widget->document); action_widget->document = document; if (action_widget->signal_id > 0) { g_signal_handler_disconnect (action_widget->doc_model, action_widget->signal_id); action_widget->signal_id = 0; } action_widget->signal_id = g_signal_connect_object (action_widget->doc_model, "page-changed", G_CALLBACK (page_changed_cb), action_widget, 0); ev_page_action_widget_set_current_page (action_widget, ev_document_model_get_page (model)); } void ev_page_action_widget_set_model (EvPageActionWidget *action_widget, EvDocumentModel *model) { if (action_widget->doc_model) { g_object_remove_weak_pointer (G_OBJECT (action_widget->doc_model), (gpointer)&action_widget->doc_model); } action_widget->doc_model = model; g_object_add_weak_pointer (G_OBJECT (model), (gpointer)&action_widget->doc_model); g_signal_connect (model, "notify::document", G_CALLBACK (ev_page_action_widget_document_changed_cb), action_widget); } static void ev_page_action_widget_finalize (GObject *object) { EvPageActionWidget *action_widget = EV_PAGE_ACTION_WIDGET (object); if (action_widget->doc_model != NULL) { if (action_widget->signal_id > 0) { if (g_signal_handler_is_connected(action_widget->doc_model, action_widget->signal_id)) g_signal_handler_disconnect (action_widget->doc_model, action_widget->signal_id); action_widget->signal_id = 0; } g_object_remove_weak_pointer (G_OBJECT (action_widget->doc_model), (gpointer)&action_widget->doc_model); action_widget->doc_model = NULL; } if (action_widget->document) { g_object_unref (action_widget->document); action_widget->document = NULL; } G_OBJECT_CLASS (ev_page_action_widget_parent_class)->finalize (object); } static void ev_page_action_widget_class_init (EvPageActionWidgetClass *class) { GObjectClass *object_class = G_OBJECT_CLASS (class); object_class->finalize = ev_page_action_widget_finalize; widget_signals[WIDGET_ACTIVATE_LINK] = g_signal_new ("activate_link", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (EvPageActionWidgetClass, activate_link), NULL, NULL, g_cclosure_marshal_VOID__OBJECT, G_TYPE_NONE, 1, G_TYPE_OBJECT); } static gboolean match_selected_cb (GtkEntryCompletion *completion, GtkTreeModel *filter_model, GtkTreeIter *filter_iter, EvPageActionWidget *proxy) { EvLink *link; GtkTreeIter *iter; gtk_tree_model_get (filter_model, filter_iter, 0, &iter, -1); gtk_tree_model_get (proxy->model, iter, EV_DOCUMENT_LINKS_COLUMN_LINK, &link, -1); g_signal_emit (proxy, widget_signals[WIDGET_ACTIVATE_LINK], 0, link); if (link) g_object_unref (link); gtk_tree_iter_free (iter); return TRUE; } static void display_completion_text (GtkCellLayout *cell_layout, GtkCellRenderer *renderer, GtkTreeModel *filter_model, GtkTreeIter *filter_iter, EvPageActionWidget *proxy) { EvLink *link; GtkTreeIter *iter; gtk_tree_model_get (filter_model, filter_iter, 0, &iter, -1); gtk_tree_model_get (proxy->model, iter, EV_DOCUMENT_LINKS_COLUMN_LINK, &link, -1); g_object_set (renderer, "text", ev_link_get_title (link), NULL); if (link) g_object_unref (link); gtk_tree_iter_free (iter); } static gboolean match_completion (GtkEntryCompletion *completion, const gchar *key, GtkTreeIter *filter_iter, EvPageActionWidget *proxy) { EvLink *link; GtkTreeIter *iter; const gchar *text = NULL; gtk_tree_model_get (gtk_entry_completion_get_model (completion), filter_iter, 0, &iter, -1); gtk_tree_model_get (proxy->model, iter, EV_DOCUMENT_LINKS_COLUMN_LINK, &link, -1); if (link) { text = ev_link_get_title (link); g_object_unref (link); } gtk_tree_iter_free (iter); if (text && key) { gchar *normalized_text; gchar *normalized_key; gchar *case_normalized_text; gchar *case_normalized_key; gboolean retval = FALSE; normalized_text = g_utf8_normalize (text, -1, G_NORMALIZE_ALL); normalized_key = g_utf8_normalize (key, -1, G_NORMALIZE_ALL); case_normalized_text = g_utf8_casefold (normalized_text, -1); case_normalized_key = g_utf8_casefold (normalized_key, -1); if (strstr (case_normalized_text, case_normalized_key)) retval = TRUE; g_free (normalized_text); g_free (normalized_key); g_free (case_normalized_text); g_free (case_normalized_key); return retval; } return FALSE; } /* user data to set on the widget. */ #define EPA_FILTER_MODEL_DATA "epa-filter-model" static gboolean build_new_tree_cb (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data) { GtkTreeModel *filter_model = GTK_TREE_MODEL (data); EvLink *link; EvLinkAction *action; EvLinkActionType type; gtk_tree_model_get (model, iter, EV_DOCUMENT_LINKS_COLUMN_LINK, &link, -1); if (!link) return FALSE; action = ev_link_get_action (link); if (!action) { g_object_unref (link); return FALSE; } type = ev_link_action_get_action_type (action); if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) { GtkTreeIter filter_iter; gtk_list_store_append (GTK_LIST_STORE (filter_model), &filter_iter); gtk_list_store_set (GTK_LIST_STORE (filter_model), &filter_iter, 0, iter, -1); } g_object_unref (link); return FALSE; } static GtkTreeModel * get_filter_model_from_model (GtkTreeModel *model) { GtkTreeModel *filter_model; filter_model = (GtkTreeModel *) g_object_get_data (G_OBJECT (model), EPA_FILTER_MODEL_DATA); if (filter_model == NULL) { filter_model = (GtkTreeModel *) gtk_list_store_new (1, GTK_TYPE_TREE_ITER); gtk_tree_model_foreach (model, build_new_tree_cb, filter_model); g_object_set_data_full (G_OBJECT (model), EPA_FILTER_MODEL_DATA, filter_model, g_object_unref); } return filter_model; } void ev_page_action_widget_update_links_model (EvPageActionWidget *proxy, GtkTreeModel *model) { GtkTreeModel *filter_model; GtkEntryCompletion *completion; GtkCellRenderer *renderer; if (!model) return; /* Magik */ proxy->model = model; filter_model = get_filter_model_from_model (model); completion = gtk_entry_completion_new (); g_object_set (G_OBJECT (completion), "popup-set-width", FALSE, "model", filter_model, NULL); g_signal_connect (completion, "match-selected", G_CALLBACK (match_selected_cb), proxy); gtk_entry_completion_set_match_func (completion, (GtkEntryCompletionMatchFunc) match_completion, proxy, NULL); /* Set up the layout */ renderer = (GtkCellRenderer *) g_object_new (GTK_TYPE_CELL_RENDERER_TEXT, "ellipsize", PANGO_ELLIPSIZE_END, "width_chars", 30, NULL); gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (completion), renderer, TRUE); gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (completion), renderer, (GtkCellLayoutDataFunc) display_completion_text, proxy, NULL); gtk_entry_set_completion (GTK_ENTRY (proxy->entry), completion); g_object_unref (completion); } void ev_page_action_widget_grab_focus (EvPageActionWidget *proxy) { gtk_widget_grab_focus (proxy->entry); }