diff options
Diffstat (limited to 'shell/ev-page-action-widget.c')
| -rw-r--r-- | shell/ev-page-action-widget.c | 308 |
1 files changed, 308 insertions, 0 deletions
diff --git a/shell/ev-page-action-widget.c b/shell/ev-page-action-widget.c new file mode 100644 index 0000000..5cd1054 --- /dev/null +++ b/shell/ev-page-action-widget.c @@ -0,0 +1,308 @@ +/* + * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + +#include "config.h" + +#include "ev-page-action.h" +#include "ev-page-cache.h" +#include "ev-window.h" +#include "ev-document-links.h" +#include "ev-page-action-widget.h" +#include "ev-marshal.h" + +#include <glib/gi18n.h> +#include <gtk/gtkentry.h> +#include <gtk/gtktoolitem.h> +#include <gtk/gtklabel.h> +#include <gtk/gtkhbox.h> +#include <string.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 +}; + +static guint widget_signals[WIDGET_N_SIGNALS] = {0, }; + +G_DEFINE_TYPE (EvPageActionWidget, ev_page_action_widget, GTK_TYPE_TOOL_ITEM) + +static void +ev_page_action_widget_init (EvPageActionWidget *action_widget) +{ + return; +} + +void +ev_page_action_widget_set_page_cache (EvPageActionWidget *action_widget, + EvPageCache *page_cache) +{ + if (action_widget->page_cache != NULL) { + g_object_remove_weak_pointer (G_OBJECT (action_widget->page_cache), + (gpointer *)&action_widget->page_cache); + action_widget->page_cache = NULL; + } + + if (page_cache != NULL) { + action_widget->page_cache = page_cache; + g_object_add_weak_pointer (G_OBJECT (page_cache), + (gpointer *)&action_widget->page_cache); + } +} + +static void +ev_page_action_widget_finalize (GObject *object) +{ + EvPageActionWidget *action_widget = EV_PAGE_ACTION_WIDGET (object); + + ev_page_action_widget_set_page_cache (action_widget, NULL); +} + +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 (EvPageActionClass, 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_model (EvPageActionWidget *proxy, GtkTreeModel *model) +{ + GtkTreeModel *filter_model; + + if (model != NULL) { + /* Magik */ + GtkEntryCompletion *completion; + GtkCellRenderer *renderer; + + 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); + g_object_unref (model); + } +} |