/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* * Copyright (C) 2002-2007 Imendio AB * Copyright (C) 2008 Collabora Ltd. * * 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 of the * License, 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 St, Fifth Floor, * Boston, MA 02110-1301 USA * * Authors: Mikael Hallendal * Richard Hult * Martyn Russell * Xavier Claessens */ #include "config.h" #include #include #include #include #include #include #include #include "empathy-chat-text-view.h" #include "empathy-chat.h" #include "empathy-conf.h" #include "empathy-ui-utils.h" #include "empathy-smiley-manager.h" #define DEBUG_FLAG EMPATHY_DEBUG_CHAT #include /* Number of seconds between timestamps when using normal mode, 5 minutes. */ #define TIMESTAMP_INTERVAL 300 #define MAX_LINES 800 #define MAX_SCROLL_TIME 0.4 /* seconds */ #define SCROLL_DELAY 33 /* milliseconds */ #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyChatTextView) typedef struct { GtkTextBuffer *buffer; guint scroll_timeout; GTimer *scroll_time; GtkTextMark *find_mark_previous; GtkTextMark *find_mark_next; gboolean find_wrapped; gboolean find_last_direction; EmpathyContact *last_contact; time_t last_timestamp; gboolean allow_scrolling; guint notify_system_fonts_id; EmpathySmileyManager *smiley_manager; gboolean only_if_date; } EmpathyChatTextViewPriv; static void chat_text_view_iface_init (EmpathyChatViewIface *iface); static void chat_text_view_copy_clipboard (EmpathyChatView *view); G_DEFINE_TYPE_WITH_CODE (EmpathyChatTextView, empathy_chat_text_view, GTK_TYPE_TEXT_VIEW, G_IMPLEMENT_INTERFACE (EMPATHY_TYPE_CHAT_VIEW, chat_text_view_iface_init)); enum { PROP_0, PROP_LAST_CONTACT, PROP_ONLY_IF_DATE }; static gboolean chat_text_view_url_event_cb (GtkTextTag *tag, GObject *object, GdkEvent *event, GtkTextIter *iter, EmpathyChatTextView *view) { EmpathyChatTextViewPriv *priv; GtkTextIter start, end; gchar *str; priv = GET_PRIV (view); /* If the link is being selected, don't do anything. */ gtk_text_buffer_get_selection_bounds (priv->buffer, &start, &end); if (gtk_text_iter_get_offset (&start) != gtk_text_iter_get_offset (&end)) { return FALSE; } if (event->type == GDK_BUTTON_RELEASE && event->button.button == 1) { start = end = *iter; if (gtk_text_iter_backward_to_tag_toggle (&start, tag) && gtk_text_iter_forward_to_tag_toggle (&end, tag)) { str = gtk_text_buffer_get_text (priv->buffer, &start, &end, FALSE); empathy_url_show (GTK_WIDGET (view), str); g_free (str); } } return FALSE; } static gboolean chat_text_view_event_cb (EmpathyChatTextView *view, GdkEventMotion *event, GtkTextTag *tag) { static GdkCursor *hand = NULL; static GdkCursor *beam = NULL; GtkTextWindowType type; GtkTextIter iter; GdkWindow *win; gint x, y, buf_x, buf_y; type = gtk_text_view_get_window_type (GTK_TEXT_VIEW (view), event->window); if (type != GTK_TEXT_WINDOW_TEXT) { return FALSE; } /* Get where the pointer really is. */ win = gtk_text_view_get_window (GTK_TEXT_VIEW (view), type); if (!win) { return FALSE; } gdk_window_get_pointer (win, &x, &y, NULL); /* Get the iter where the cursor is at */ gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view), type, x, y, &buf_x, &buf_y); gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), &iter, buf_x, buf_y); if (gtk_text_iter_has_tag (&iter, tag)) { if (!hand) { hand = gdk_cursor_new (GDK_HAND2); beam = gdk_cursor_new (GDK_XTERM); } gdk_window_set_cursor (win, hand); } else { if (!beam) { beam = gdk_cursor_new (GDK_XTERM); } gdk_window_set_cursor (win, beam); } return FALSE; } static void chat_text_view_create_tags (EmpathyChatTextView *view) { EmpathyChatTextViewPriv *priv = GET_PRIV (view); GtkTextTag *tag; gtk_text_buffer_create_tag (priv->buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_CUT, NULL); gtk_text_buffer_create_tag (priv->buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_HIGHLIGHT, NULL); gtk_text_buffer_create_tag (priv->buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_SPACING, NULL); gtk_text_buffer_create_tag (priv->buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_TIME, NULL); gtk_text_buffer_create_tag (priv->buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_ACTION, NULL); gtk_text_buffer_create_tag (priv->buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_BODY, NULL); gtk_text_buffer_create_tag (priv->buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_EVENT, NULL); tag = gtk_text_buffer_create_tag (priv->buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_LINK, NULL); g_signal_connect (tag, "event", G_CALLBACK (chat_text_view_url_event_cb), view); g_signal_connect (view, "motion-notify-event", G_CALLBACK (chat_text_view_event_cb), tag); } static void chat_text_view_system_font_update (EmpathyChatTextView *view) { PangoFontDescription *font_description = NULL; gchar *font_name; if (empathy_conf_get_string (empathy_conf_get (), "/desktop/gnome/interface/document_font_name", &font_name) && font_name) { font_description = pango_font_description_from_string (font_name); g_free (font_name); } else { font_description = NULL; } gtk_widget_modify_font (GTK_WIDGET (view), font_description); if (font_description) { pango_font_description_free (font_description); } } static void chat_text_view_notify_system_font_cb (EmpathyConf *conf, const gchar *key, gpointer user_data) { EmpathyChatTextView *view = user_data; chat_text_view_system_font_update (view); } static void chat_text_view_open_address_cb (GtkMenuItem *menuitem, const gchar *url) { empathy_url_show (GTK_WIDGET (menuitem), url); } static void chat_text_view_copy_address_cb (GtkMenuItem *menuitem, const gchar *url) { GtkClipboard *clipboard; clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD); gtk_clipboard_set_text (clipboard, url, -1); clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY); gtk_clipboard_set_text (clipboard, url, -1); } static void chat_text_view_populate_popup (EmpathyChatTextView *view, GtkMenu *menu, gpointer user_data) { EmpathyChatTextViewPriv *priv; GtkTextTagTable *table; GtkTextTag *tag; gint x, y; GtkTextIter iter, start, end; GtkWidget *item; gchar *str = NULL; priv = GET_PRIV (view); /* Clear menu item */ if (gtk_text_buffer_get_char_count (priv->buffer) > 0) { item = gtk_separator_menu_item_new (); gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item); gtk_widget_show (item); item = gtk_image_menu_item_new_from_stock (GTK_STOCK_CLEAR, NULL); gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item); gtk_widget_show (item); g_signal_connect_swapped (item, "activate", G_CALLBACK (empathy_chat_view_clear), view); } /* Link context menu items */ table = gtk_text_buffer_get_tag_table (priv->buffer); tag = gtk_text_tag_table_lookup (table, EMPATHY_CHAT_TEXT_VIEW_TAG_LINK); gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y); gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view), GTK_TEXT_WINDOW_WIDGET, x, y, &x, &y); gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), &iter, x, y); start = end = iter; if (gtk_text_iter_backward_to_tag_toggle (&start, tag) && gtk_text_iter_forward_to_tag_toggle (&end, tag)) { str = gtk_text_buffer_get_text (priv->buffer, &start, &end, FALSE); } if (EMP_STR_EMPTY (str)) { g_free (str); return; } /* NOTE: Set data just to get the string freed when not needed. */ g_object_set_data_full (G_OBJECT (menu), "url", str, (GDestroyNotify) g_free); item = gtk_separator_menu_item_new (); gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item); gtk_widget_show (item); item = gtk_menu_item_new_with_mnemonic (_("_Copy Link Address")); g_signal_connect (item, "activate", G_CALLBACK (chat_text_view_copy_address_cb), str); gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item); gtk_widget_show (item); item = gtk_menu_item_new_with_mnemonic (_("_Open Link")); g_signal_connect (item, "activate", G_CALLBACK (chat_text_view_open_address_cb), str); gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item); gtk_widget_show (item); } static gboolean chat_text_view_is_scrolled_down (EmpathyChatTextView *view) { GtkWidget *sw; sw = gtk_widget_get_parent (GTK_WIDGET (view)); if (GTK_IS_SCROLLED_WINDOW (sw)) { GtkAdjustment *vadj; gdouble value; gdouble upper; gdouble page_size; vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (sw)); value = gtk_adjustment_get_value (vadj); upper = gtk_adjustment_get_upper (vadj); page_size = gtk_adjustment_get_page_size (vadj); if (value < upper - page_size) { return FALSE; } } return TRUE; } static void chat_text_view_maybe_trim_buffer (EmpathyChatTextView *view) { EmpathyChatTextViewPriv *priv; GtkTextIter top, bottom; gint line; gint remove_; GtkTextTagTable *table; GtkTextTag *tag; priv = GET_PRIV (view); gtk_text_buffer_get_end_iter (priv->buffer, &bottom); line = gtk_text_iter_get_line (&bottom); if (line < MAX_LINES) { return; } remove_ = line - MAX_LINES; gtk_text_buffer_get_start_iter (priv->buffer, &top); bottom = top; if (!gtk_text_iter_forward_lines (&bottom, remove_)) { return; } /* Track backwords to a place where we can safely cut, we don't do it in * the middle of a tag. */ table = gtk_text_buffer_get_tag_table (priv->buffer); tag = gtk_text_tag_table_lookup (table, EMPATHY_CHAT_TEXT_VIEW_TAG_CUT); if (!tag) { return; } if (!gtk_text_iter_forward_to_tag_toggle (&bottom, tag)) { return; } if (!gtk_text_iter_equal (&top, &bottom)) { gtk_text_buffer_delete (priv->buffer, &top, &bottom); } } static void chat_text_view_append_timestamp (EmpathyChatTextView *view, time_t timestamp, gboolean show_date) { EmpathyChatTextViewPriv *priv = GET_PRIV (view); GtkTextIter iter; gchar *tmp; GString *str; str = g_string_new ("- "); /* Append date if needed */ if (show_date) { GDate *date; gchar buf[256]; date = g_date_new (); g_date_set_time_t (date, timestamp); /* Translators: timestamp displayed between conversations in * chat windows (strftime format string) */ g_date_strftime (buf, 256, _("%A %B %d %Y"), date); g_string_append (str, buf); g_string_append (str, ", "); g_date_free (date); } /* Append time */ tmp = empathy_time_to_string_local (timestamp, EMPATHY_TIME_FORMAT_DISPLAY_SHORT); g_string_append (str, tmp); g_free (tmp); g_string_append (str, " -\n"); /* Insert the string in the buffer */ empathy_chat_text_view_append_spacing (view); gtk_text_buffer_get_end_iter (priv->buffer, &iter); gtk_text_buffer_insert_with_tags_by_name (priv->buffer, &iter, str->str, -1, EMPATHY_CHAT_TEXT_VIEW_TAG_TIME, NULL); priv->last_timestamp = timestamp; g_string_free (str, TRUE); } static void chat_text_maybe_append_date_and_time (EmpathyChatTextView *view, time_t timestamp) { EmpathyChatTextViewPriv *priv = GET_PRIV (view); GDate *date, *last_date; gboolean append_date = FALSE; gboolean append_time = FALSE; /* Get the date from last message */ last_date = g_date_new (); g_date_set_time_t (last_date, priv->last_timestamp); /* Get the date of the message we are appending */ date = g_date_new (); g_date_set_time_t (date, timestamp); /* If last message was from another day we append date and time */ if (g_date_compare (date, last_date) > 0) { append_date = TRUE; append_time = TRUE; } g_date_free (last_date); g_date_free (date); /* If last message is 'old' append the time */ if (timestamp - priv->last_timestamp >= TIMESTAMP_INTERVAL) { append_time = TRUE; } if (append_date || (!priv->only_if_date && append_time)) { chat_text_view_append_timestamp (view, timestamp, append_date); } } static void chat_text_view_size_allocate (GtkWidget *widget, GtkAllocation *alloc) { gboolean down; down = chat_text_view_is_scrolled_down (EMPATHY_CHAT_TEXT_VIEW (widget)); GTK_WIDGET_CLASS (empathy_chat_text_view_parent_class)->size_allocate (widget, alloc); if (down) { GtkAdjustment *adj; adj = GTK_TEXT_VIEW (widget)->vadjustment; gtk_adjustment_set_value (adj, gtk_adjustment_get_upper (adj) - gtk_adjustment_get_page_size (adj)); } } static gboolean chat_text_view_drag_motion (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time_) { /* Don't handle drag motion, since we don't want the view to scroll as * the result of dragging something across it. */ return FALSE; } static void chat_text_view_get_property (GObject *object, guint param_id, GValue *value, GParamSpec *pspec) { EmpathyChatTextViewPriv *priv = GET_PRIV (object); switch (param_id) { case PROP_LAST_CONTACT: g_value_set_object (value, priv->last_contact); break; case PROP_ONLY_IF_DATE: g_value_set_boolean (value, priv->only_if_date); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); break; }; } static void chat_text_view_set_property (GObject *object, guint param_id, const GValue *value, GParamSpec *pspec) { EmpathyChatTextViewPriv *priv = GET_PRIV (object); switch (param_id) { case PROP_ONLY_IF_DATE: priv->only_if_date = g_value_get_boolean (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); break; }; } static void chat_text_view_finalize (GObject *object) { EmpathyChatTextView *view; EmpathyChatTextViewPriv *priv; view = EMPATHY_CHAT_TEXT_VIEW (object); priv = GET_PRIV (view); DEBUG ("%p", object); empathy_conf_notify_remove (empathy_conf_get (), priv->notify_system_fonts_id); if (priv->last_contact) { g_object_unref (priv->last_contact); } if (priv->scroll_time) { g_timer_destroy (priv->scroll_time); } if (priv->scroll_timeout) { g_source_remove (priv->scroll_timeout); } g_object_unref (priv->smiley_manager); G_OBJECT_CLASS (empathy_chat_text_view_parent_class)->finalize (object); } static void text_view_copy_clipboard (GtkTextView *text_view) { chat_text_view_copy_clipboard (EMPATHY_CHAT_VIEW (text_view)); } static void empathy_chat_text_view_class_init (EmpathyChatTextViewClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); GtkTextViewClass *text_view_class = GTK_TEXT_VIEW_CLASS (klass); object_class->finalize = chat_text_view_finalize; object_class->get_property = chat_text_view_get_property; object_class->set_property = chat_text_view_set_property; widget_class->size_allocate = chat_text_view_size_allocate; widget_class->drag_motion = chat_text_view_drag_motion; text_view_class->copy_clipboard = text_view_copy_clipboard; g_object_class_install_property (object_class, PROP_LAST_CONTACT, g_param_spec_object ("last-contact", "Last contact", "The sender of the last received message", EMPATHY_TYPE_CONTACT, G_PARAM_READABLE)); g_object_class_install_property (object_class, PROP_ONLY_IF_DATE, g_param_spec_boolean ("only-if-date", "Only if date", "Display timestamp only if the date changes", FALSE, G_PARAM_READWRITE)); g_type_class_add_private (object_class, sizeof (EmpathyChatTextViewPriv)); } static void empathy_chat_text_view_init (EmpathyChatTextView *view) { EmpathyChatTextViewPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (view, EMPATHY_TYPE_CHAT_TEXT_VIEW, EmpathyChatTextViewPriv); view->priv = priv; priv->buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)); priv->last_timestamp = 0; priv->allow_scrolling = TRUE; priv->smiley_manager = empathy_smiley_manager_dup_singleton (); g_object_set (view, "wrap-mode", GTK_WRAP_WORD_CHAR, "editable", FALSE, "cursor-visible", FALSE, NULL); priv->notify_system_fonts_id = empathy_conf_notify_add (empathy_conf_get (), "/desktop/gnome/interface/document_font_name", chat_text_view_notify_system_font_cb, view); chat_text_view_system_font_update (view); chat_text_view_create_tags (view); g_signal_connect (view, "populate-popup", G_CALLBACK (chat_text_view_populate_popup), NULL); } /* Code stolen from pidgin/gtkimhtml.c */ static gboolean chat_text_view_scroll_cb (EmpathyChatTextView *view) { EmpathyChatTextViewPriv *priv; GtkAdjustment *adj; gdouble max_val; priv = GET_PRIV (view); adj = GTK_TEXT_VIEW (view)->vadjustment; max_val = gtk_adjustment_get_upper (adj) - gtk_adjustment_get_page_size (adj); g_return_val_if_fail (priv->scroll_time != NULL, FALSE); if (g_timer_elapsed (priv->scroll_time, NULL) > MAX_SCROLL_TIME) { /* time's up. jump to the end and kill the timer */ gtk_adjustment_set_value (adj, max_val); g_timer_destroy (priv->scroll_time); priv->scroll_time = NULL; priv->scroll_timeout = 0; return FALSE; } /* scroll by 1/3rd the remaining distance */ gtk_adjustment_set_value (adj, gtk_adjustment_get_value (adj) + ((max_val - gtk_adjustment_get_value (adj)) / 3)); return TRUE; } static void chat_text_view_scroll_down (EmpathyChatView *view) { EmpathyChatTextViewPriv *priv = GET_PRIV (view); g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view)); if (!priv->allow_scrolling) { return; } DEBUG ("Scrolling down"); if (priv->scroll_time) { g_timer_reset (priv->scroll_time); } else { priv->scroll_time = g_timer_new (); } if (!priv->scroll_timeout) { priv->scroll_timeout = g_timeout_add (SCROLL_DELAY, (GSourceFunc) chat_text_view_scroll_cb, view); } } static void chat_text_view_append_message (EmpathyChatView *view, EmpathyMessage *msg) { EmpathyChatTextView *text_view = EMPATHY_CHAT_TEXT_VIEW (view); EmpathyChatTextViewPriv *priv = GET_PRIV (text_view); gboolean bottom; time_t timestamp; g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view)); g_return_if_fail (EMPATHY_IS_MESSAGE (msg)); if (!empathy_message_get_body (msg)) { return; } bottom = chat_text_view_is_scrolled_down (text_view); chat_text_view_maybe_trim_buffer (EMPATHY_CHAT_TEXT_VIEW (view)); timestamp = empathy_message_get_timestamp (msg); chat_text_maybe_append_date_and_time (text_view, timestamp); if (EMPATHY_CHAT_TEXT_VIEW_GET_CLASS (view)->append_message) { EMPATHY_CHAT_TEXT_VIEW_GET_CLASS (view)->append_message (text_view, msg); } if (bottom) { chat_text_view_scroll_down (view); } if (priv->last_contact) { g_object_unref (priv->last_contact); } priv->last_contact = g_object_ref (empathy_message_get_sender (msg)); g_object_notify (G_OBJECT (view), "last-contact"); } static void chat_text_view_append_event (EmpathyChatView *view, const gchar *str) { EmpathyChatTextView *text_view = EMPATHY_CHAT_TEXT_VIEW (view); EmpathyChatTextViewPriv *priv = GET_PRIV (text_view); gboolean bottom; GtkTextIter iter; gchar *msg; g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view)); g_return_if_fail (!EMP_STR_EMPTY (str)); bottom = chat_text_view_is_scrolled_down (text_view); chat_text_view_maybe_trim_buffer (EMPATHY_CHAT_TEXT_VIEW (view)); chat_text_maybe_append_date_and_time (text_view, empathy_time_get_current ()); gtk_text_buffer_get_end_iter (priv->buffer, &iter); msg = g_strdup_printf (" - %s\n", str); gtk_text_buffer_insert_with_tags_by_name (priv->buffer, &iter, msg, -1, EMPATHY_CHAT_TEXT_VIEW_TAG_EVENT, NULL); g_free (msg); if (bottom) { chat_text_view_scroll_down (view); } if (priv->last_contact) { g_object_unref (priv->last_contact); priv->last_contact = NULL; g_object_notify (G_OBJECT (view), "last-contact"); } } static void chat_text_view_scroll (EmpathyChatView *view, gboolean allow_scrolling) { EmpathyChatTextViewPriv *priv = GET_PRIV (view); g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view)); DEBUG ("Scrolling %s", allow_scrolling ? "enabled" : "disabled"); priv->allow_scrolling = allow_scrolling; if (allow_scrolling) { empathy_chat_view_scroll_down (view); } } static gboolean chat_text_view_get_has_selection (EmpathyChatView *view) { GtkTextBuffer *buffer; g_return_val_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view), FALSE); buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)); return gtk_text_buffer_get_has_selection (buffer); } static void chat_text_view_clear (EmpathyChatView *view) { GtkTextBuffer *buffer; EmpathyChatTextViewPriv *priv; g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view)); buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)); gtk_text_buffer_set_text (buffer, "", -1); /* We set these back to the initial values so we get * timestamps when clearing the window to know when * conversations start. */ priv = GET_PRIV (view); priv->last_timestamp = 0; if (priv->last_contact) { g_object_unref (priv->last_contact); priv->last_contact = NULL; } } static gboolean chat_text_view_find_previous (EmpathyChatView *view, const gchar *search_criteria, gboolean new_search, gboolean match_case) { EmpathyChatTextViewPriv *priv; GtkTextBuffer *buffer; GtkTextIter iter_at_mark; GtkTextIter iter_match_start; GtkTextIter iter_match_end; gboolean found; gboolean from_start = FALSE; g_return_val_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view), FALSE); g_return_val_if_fail (search_criteria != NULL, FALSE); priv = GET_PRIV (view); buffer = priv->buffer; if (EMP_STR_EMPTY (search_criteria)) { if (priv->find_mark_previous) { gtk_text_buffer_get_start_iter (buffer, &iter_at_mark); gtk_text_buffer_move_mark (buffer, priv->find_mark_previous, &iter_at_mark); gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view), priv->find_mark_previous, 0.0, TRUE, 0.0, 0.0); gtk_text_buffer_select_range (buffer, &iter_at_mark, &iter_at_mark); } return FALSE; } if (new_search) { from_start = TRUE; } if (!new_search && priv->find_mark_previous) { gtk_text_buffer_get_iter_at_mark (buffer, &iter_at_mark, priv->find_mark_previous); } else { gtk_text_buffer_get_end_iter (buffer, &iter_at_mark); from_start = TRUE; } priv->find_last_direction = FALSE; /* Use the standard GTK+ method for case sensitive searches. It can't do * case insensitive searches (see bug #61852), so keep the custom method * around for case insensitive searches. */ if (match_case) { found = gtk_text_iter_backward_search (&iter_at_mark, search_criteria, 0, /* no text search flags, we want exact matches */ &iter_match_start, &iter_match_end, NULL); } else { found = empathy_text_iter_backward_search (&iter_at_mark, search_criteria, &iter_match_start, &iter_match_end, NULL); } if (!found) { gboolean result = FALSE; if (from_start) { return result; } /* Here we wrap around. */ if (!new_search && !priv->find_wrapped) { priv->find_wrapped = TRUE; result = chat_text_view_find_previous (view, search_criteria, FALSE, match_case); priv->find_wrapped = FALSE; } return result; } /* Set new mark and show on screen */ if (!priv->find_mark_previous) { priv->find_mark_previous = gtk_text_buffer_create_mark (buffer, NULL, &iter_match_start, TRUE); } else { gtk_text_buffer_move_mark (buffer, priv->find_mark_previous, &iter_match_start); } if (!priv->find_mark_next) { priv->find_mark_next = gtk_text_buffer_create_mark (buffer, NULL, &iter_match_end, TRUE); } else { gtk_text_buffer_move_mark (buffer, priv->find_mark_next, &iter_match_end); } gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view), priv->find_mark_previous, 0.0, TRUE, 0.5, 0.5); gtk_text_buffer_move_mark_by_name (buffer, "selection_bound", &iter_match_start); gtk_text_buffer_move_mark_by_name (buffer, "insert", &iter_match_end); return TRUE; } static gboolean chat_text_view_find_next (EmpathyChatView *view, const gchar *search_criteria, gboolean new_search, gboolean match_case) { EmpathyChatTextViewPriv *priv; GtkTextBuffer *buffer; GtkTextIter iter_at_mark; GtkTextIter iter_match_start; GtkTextIter iter_match_end; gboolean found; gboolean from_start = FALSE; g_return_val_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view), FALSE); g_return_val_if_fail (search_criteria != NULL, FALSE); priv = GET_PRIV (view); buffer = priv->buffer; if (EMP_STR_EMPTY (search_criteria)) { if (priv->find_mark_next) { gtk_text_buffer_get_start_iter (buffer, &iter_at_mark); gtk_text_buffer_move_mark (buffer, priv->find_mark_next, &iter_at_mark); gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view), priv->find_mark_next, 0.0, TRUE, 0.0, 0.0); gtk_text_buffer_select_range (buffer, &iter_at_mark, &iter_at_mark); } return FALSE; } if (new_search) { from_start = TRUE; } if (!new_search && priv->find_mark_next) { gtk_text_buffer_get_iter_at_mark (buffer, &iter_at_mark, priv->find_mark_next); } else { gtk_text_buffer_get_start_iter (buffer, &iter_at_mark); from_start = TRUE; } priv->find_last_direction = TRUE; /* Use the standard GTK+ method for case sensitive searches. It can't do * case insensitive searches (see bug #61852), so keep the custom method * around for case insensitive searches. */ if (match_case) { found = gtk_text_iter_forward_search (&iter_at_mark, search_criteria, 0, &iter_match_start, &iter_match_end, NULL); } else { found = empathy_text_iter_forward_search (&iter_at_mark, search_criteria, &iter_match_start, &iter_match_end, NULL); } if (!found) { gboolean result = FALSE; if (from_start) { return result; } /* Here we wrap around. */ if (!new_search && !priv->find_wrapped) { priv->find_wrapped = TRUE; result = chat_text_view_find_next (view, search_criteria, FALSE, match_case); priv->find_wrapped = FALSE; } return result; } /* Set new mark and show on screen */ if (!priv->find_mark_next) { priv->find_mark_next = gtk_text_buffer_create_mark (buffer, NULL, &iter_match_end, TRUE); } else { gtk_text_buffer_move_mark (buffer, priv->find_mark_next, &iter_match_end); } if (!priv->find_mark_previous) { priv->find_mark_previous = gtk_text_buffer_create_mark (buffer, NULL, &iter_match_start, TRUE); } else { gtk_text_buffer_move_mark (buffer, priv->find_mark_previous, &iter_match_start); } gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view), priv->find_mark_next, 0.0, TRUE, 0.5, 0.5); gtk_text_buffer_move_mark_by_name (buffer, "selection_bound", &iter_match_start); gtk_text_buffer_move_mark_by_name (buffer, "insert", &iter_match_end); return TRUE; } static void chat_text_view_find_abilities (EmpathyChatView *view, const gchar *search_criteria, gboolean *can_do_previous, gboolean *can_do_next) { EmpathyChatTextViewPriv *priv; GtkTextBuffer *buffer; GtkTextIter iter_at_mark; GtkTextIter iter_match_start; GtkTextIter iter_match_end; g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view)); g_return_if_fail (search_criteria != NULL); g_return_if_fail (can_do_previous != NULL && can_do_next != NULL); priv = GET_PRIV (view); buffer = priv->buffer; if (can_do_previous) { if (priv->find_mark_previous) { gtk_text_buffer_get_iter_at_mark (buffer, &iter_at_mark, priv->find_mark_previous); } else { gtk_text_buffer_get_start_iter (buffer, &iter_at_mark); } *can_do_previous = empathy_text_iter_backward_search (&iter_at_mark, search_criteria, &iter_match_start, &iter_match_end, NULL); } if (can_do_next) { if (priv->find_mark_next) { gtk_text_buffer_get_iter_at_mark (buffer, &iter_at_mark, priv->find_mark_next); } else { gtk_text_buffer_get_start_iter (buffer, &iter_at_mark); } *can_do_next = empathy_text_iter_forward_search (&iter_at_mark, search_criteria, &iter_match_start, &iter_match_end, NULL); } } static void chat_text_view_highlight (EmpathyChatView *view, const gchar *text, gboolean match_case) { // TODO: do something useful with the match_case var GtkTextBuffer *buffer; GtkTextIter iter; GtkTextIter iter_start; GtkTextIter iter_end; GtkTextIter iter_match_start; GtkTextIter iter_match_end; gboolean found; g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view)); buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)); gtk_text_buffer_get_start_iter (buffer, &iter); gtk_text_buffer_get_bounds (buffer, &iter_start, &iter_end); gtk_text_buffer_remove_tag_by_name (buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_HIGHLIGHT, &iter_start, &iter_end); if (EMP_STR_EMPTY (text)) { return; } while (1) { found = empathy_text_iter_forward_search (&iter, text, &iter_match_start, &iter_match_end, NULL); if (!found) { break; } gtk_text_buffer_apply_tag_by_name (buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_HIGHLIGHT, &iter_match_start, &iter_match_end); iter = iter_match_end; } } static void chat_text_view_copy_clipboard (EmpathyChatView *view) { GtkTextBuffer *buffer; GtkTextIter start, iter, end; GtkClipboard *clipboard; GdkPixbuf *pixbuf; gunichar c; GtkTextChildAnchor *anchor = NULL; GString *str; GList *list; gboolean ignore_newlines = FALSE; g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view)); buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)); clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD); if (!gtk_text_buffer_get_selection_bounds (buffer, &start, &end)) return; str = g_string_new (""); for (iter = start; !gtk_text_iter_equal (&iter, &end); gtk_text_iter_forward_char (&iter)) { c = gtk_text_iter_get_char (&iter); /* 0xFFFC is the 'object replacement' unicode character, * it indicates the presence of a pixbuf or a widget. */ if (c == 0xFFFC) { ignore_newlines = FALSE; if ((pixbuf = gtk_text_iter_get_pixbuf (&iter))) { gchar *text; text = g_object_get_data (G_OBJECT(pixbuf), "smiley_str"); if (text) str = g_string_append (str, text); } else if ((anchor = gtk_text_iter_get_child_anchor (&iter))) { gchar *text; list = gtk_text_child_anchor_get_widgets (anchor); if (list) { text = g_object_get_data (G_OBJECT(list->data), "str_obj"); if (text) str = g_string_append (str, text); } g_list_free (list); } } else if (c == '\n') { if (!ignore_newlines) { ignore_newlines = TRUE; str = g_string_append_unichar (str, c); } } else { ignore_newlines = FALSE; str = g_string_append_unichar (str, c); } } gtk_clipboard_set_text (clipboard, str->str, str->len); g_string_free (str, TRUE); } static void chat_text_view_iface_init (EmpathyChatViewIface *iface) { iface->append_message = chat_text_view_append_message; iface->append_event = chat_text_view_append_event; iface->scroll = chat_text_view_scroll; iface->scroll_down = chat_text_view_scroll_down; iface->get_has_selection = chat_text_view_get_has_selection; iface->clear = chat_text_view_clear; iface->find_previous = chat_text_view_find_previous; iface->find_next = chat_text_view_find_next; iface->find_abilities = chat_text_view_find_abilities; iface->highlight = chat_text_view_highlight; iface->copy_clipboard = chat_text_view_copy_clipboard; } EmpathyContact * empathy_chat_text_view_get_last_contact (EmpathyChatTextView *view) { EmpathyChatTextViewPriv *priv = GET_PRIV (view); g_return_val_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view), NULL); return priv->last_contact; } void empathy_chat_text_view_set_only_if_date (EmpathyChatTextView *view, gboolean only_if_date) { EmpathyChatTextViewPriv *priv = GET_PRIV (view); g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view)); if (only_if_date != priv->only_if_date) { priv->only_if_date = only_if_date; g_object_notify (G_OBJECT (view), "only-if-date"); } } static void chat_text_view_replace_link (const gchar *text, gssize len, gpointer match_data, gpointer user_data) { GtkTextBuffer *buffer = GTK_TEXT_BUFFER (user_data); GtkTextIter iter; gtk_text_buffer_get_end_iter (buffer, &iter); gtk_text_buffer_insert_with_tags_by_name (buffer, &iter, text, len, EMPATHY_CHAT_TEXT_VIEW_TAG_LINK, NULL); } static void chat_text_view_replace_smiley (const gchar *text, gssize len, gpointer match_data, gpointer user_data) { EmpathySmileyHit *hit = match_data; GtkTextBuffer *buffer = GTK_TEXT_BUFFER (user_data); GtkTextIter iter; gtk_text_buffer_get_end_iter (buffer, &iter); gtk_text_buffer_insert_pixbuf (buffer, &iter, hit->pixbuf); } static void chat_text_view_replace_verbatim (const gchar *text, gssize len, gpointer match_data, gpointer user_data) { GtkTextBuffer *buffer = GTK_TEXT_BUFFER (user_data); GtkTextIter iter; gtk_text_buffer_get_end_iter (buffer, &iter); gtk_text_buffer_insert (buffer, &iter, text, len); } static EmpathyStringParser string_parsers[] = { {empathy_string_match_link, chat_text_view_replace_link}, {empathy_string_match_all, chat_text_view_replace_verbatim}, {NULL, NULL} }; static EmpathyStringParser string_parsers_with_smiley[] = { {empathy_string_match_link, chat_text_view_replace_link}, {empathy_string_match_smiley, chat_text_view_replace_smiley}, {empathy_string_match_all, chat_text_view_replace_verbatim}, {NULL, NULL} }; void empathy_chat_text_view_append_body (EmpathyChatTextView *view, const gchar *body, const gchar *tag) { EmpathyChatTextViewPriv *priv = GET_PRIV (view); EmpathyStringParser *parsers; gboolean use_smileys; GtkTextIter start_iter; GtkTextIter iter; GtkTextMark *mark; /* Check if we have to parse smileys */ empathy_conf_get_bool (empathy_conf_get (), EMPATHY_PREFS_CHAT_SHOW_SMILEYS, &use_smileys); if (use_smileys) parsers = string_parsers_with_smiley; else parsers = string_parsers; /* Create a mark at the place we'll start inserting */ gtk_text_buffer_get_end_iter (priv->buffer, &start_iter); mark = gtk_text_buffer_create_mark (priv->buffer, NULL, &start_iter, TRUE); /* Parse text for links/smileys and insert in the buffer */ empathy_string_parser_substr (body, -1, parsers, priv->buffer); /* Insert a newline after the text inserted */ gtk_text_buffer_get_end_iter (priv->buffer, &iter); gtk_text_buffer_insert (priv->buffer, &iter, "\n", 1); /* Apply the style to the inserted text. */ gtk_text_buffer_get_iter_at_mark (priv->buffer, &start_iter, mark); gtk_text_buffer_get_end_iter (priv->buffer, &iter); gtk_text_buffer_apply_tag_by_name (priv->buffer, tag, &start_iter, &iter); gtk_text_buffer_delete_mark (priv->buffer, mark); } void empathy_chat_text_view_append_spacing (EmpathyChatTextView *view) { EmpathyChatTextViewPriv *priv = GET_PRIV (view); GtkTextIter iter; gtk_text_buffer_get_end_iter (priv->buffer, &iter); gtk_text_buffer_insert_with_tags_by_name (priv->buffer, &iter, "\n", -1, EMPATHY_CHAT_TEXT_VIEW_TAG_CUT, EMPATHY_CHAT_TEXT_VIEW_TAG_SPACING, NULL); } GtkTextTag * empathy_chat_text_view_tag_set (EmpathyChatTextView *view, const gchar *tag_name, const gchar *first_property_name, ...) { EmpathyChatTextViewPriv *priv = GET_PRIV (view); GtkTextTag *tag; GtkTextTagTable *table; va_list list; g_return_val_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view), NULL); g_return_val_if_fail (tag_name != NULL, NULL); table = gtk_text_buffer_get_tag_table (priv->buffer); tag = gtk_text_tag_table_lookup (table, tag_name); if (tag && first_property_name) { va_start (list, first_property_name); g_object_set_valist (G_OBJECT (tag), first_property_name, list); va_end (list); } return tag; }