+++ /dev/null
-/* -*- 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 <micke@imendio.com>
- * Richard Hult <richard@imendio.com>
- * Martyn Russell <martyn@imendio.com>
- * Xavier Claessens <xclaesse@gmail.com>
- */
-
-#include "config.h"
-
-#include <sys/types.h>
-#include <string.h>
-#include <time.h>
-
-#include <glib/gi18n-lib.h>
-#include <gtk/gtk.h>
-
-#include <telepathy-glib/util.h>
-
-#include <libempathy/empathy-gsettings.h>
-#include <libempathy/empathy-utils.h>
-
-#include "empathy-chat-text-view.h"
-#include "empathy-chat.h"
-#include "empathy-ui-utils.h"
-#include "empathy-smiley-manager.h"
-#include "empathy-string-parser.h"
-
-#define DEBUG_FLAG EMPATHY_DEBUG_CHAT
-#include <libempathy/empathy-debug.h>
-
-/* Number of seconds between timestamps when using normal mode, 5 minutes. */
-#define TIMESTAMP_INTERVAL (5 * G_TIME_SPAN_MINUTE)
-
-#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;
- gint64 last_timestamp;
- gboolean allow_scrolling;
- guint notify_system_fonts_id;
- GSettings *gsettings_desktop;
- GSettings *gsettings_chat;
- 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_device_position (win, event->device, &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)
-{
- EmpathyChatTextViewPriv *priv = GET_PRIV (view);
- PangoFontDescription *font_description = NULL;
- gchar *font_name;
-
- font_name = g_settings_get_string (priv->gsettings_desktop,
- EMPATHY_PREFS_DESKTOP_INTERFACE_DOCUMENT_FONT_NAME);
-
- if (font_name != NULL) {
- font_description = pango_font_description_from_string (font_name);
- g_free (font_name);
- } else {
- font_description = NULL;
- }
-
- gtk_widget_override_font (GTK_WIDGET (view), font_description);
-
- if (font_description) {
- pango_font_description_free (font_description);
- }
-}
-
-static void
-chat_text_view_notify_system_font_cb (GSettings *gsettings,
- const gchar *key,
- EmpathyChatTextView *self)
-{
- chat_text_view_system_font_update (self);
-}
-
-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_append (GTK_MENU_SHELL (menu), item);
- gtk_widget_show (item);
-
- item = gtk_image_menu_item_new_from_stock (GTK_STOCK_CLEAR, NULL);
- gtk_menu_shell_append (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);
-
- gdk_window_get_device_position (gtk_widget_get_window (GTK_WIDGET (view)),
- gdk_device_manager_get_client_pointer (gdk_display_get_device_manager (
- gtk_widget_get_display (GTK_WIDGET (view)))), &x, &y, NULL);
-
- 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)
-{
- GtkAdjustment *vadj;
- gdouble value;
- gdouble upper;
- gdouble page_size;
-
- vadj = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (view));
- 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,
- gint64 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) {
- /* Translators: timestamp displayed between conversations in
- * chat windows (strftime format string) */
- tmp = empathy_time_to_string_local (timestamp, _("%A %B %d %Y"));
- g_string_append (str, tmp);
- g_string_append (str, ", ");
- g_free (tmp);
- }
-
- /* 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);
-
- g_string_free (str, TRUE);
-}
-
-static void
-chat_text_maybe_append_date_and_time (EmpathyChatTextView *view,
- gint64 timestamp)
-{
- EmpathyChatTextViewPriv *priv = GET_PRIV (view);
- GDateTime *date, *last_date;
- gboolean append_date = FALSE;
- gboolean append_time = FALSE;
- GTimeSpan delta;
-
- /* Get the date from last message */
- last_date = g_date_time_new_from_unix_utc (priv->last_timestamp);
-
- /* Get the date of the message we are appending */
- date = g_date_time_new_from_unix_utc (timestamp);
-
- delta = g_date_time_difference (date, last_date);
- /* If last message was from another day we append date and time */
- if (delta >= G_TIME_SPAN_DAY) {
- append_date = TRUE;
- append_time = TRUE;
- }
-
- g_date_time_unref (last_date);
- g_date_time_unref (date);
-
- /* If last message is 'old' append the time */
- if (delta >= 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_scrollable_get_vadjustment (GTK_SCROLLABLE (widget));
- 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);
-
- g_object_unref (priv->gsettings_chat);
- g_object_unref (priv->gsettings_desktop);
-
- 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->gsettings_chat = g_settings_new (EMPATHY_PREFS_CHAT_SCHEMA);
-
- priv->gsettings_desktop = g_settings_new (
- EMPATHY_PREFS_DESKTOP_INTERFACE_SCHEMA);
- g_signal_connect (priv->gsettings_desktop,
- "changed::" EMPATHY_PREFS_DESKTOP_INTERFACE_DOCUMENT_FONT_NAME,
- G_CALLBACK (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);
-}
-
-static void
-chat_text_view_scroll_stop (EmpathyChatTextView *view)
-{
- EmpathyChatTextViewPriv *priv = GET_PRIV (view);
-
- g_timer_destroy (priv->scroll_time);
- priv->scroll_time = NULL;
-
- g_source_remove (priv->scroll_timeout);
- priv->scroll_timeout = 0;
-}
-
-/* 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_scrollable_get_vadjustment (GTK_SCROLLABLE (view));
- 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);
- chat_text_view_scroll_stop (view);
- 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,
- gboolean should_highlight)
-{
- EmpathyChatTextView *text_view = EMPATHY_CHAT_TEXT_VIEW (view);
- EmpathyChatTextViewPriv *priv = GET_PRIV (text_view);
- gboolean bottom;
- gint64 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,
- should_highlight);
- }
-
- 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");
-
- priv->last_timestamp = timestamp;
-}
-
-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 match_case,
- 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);
- }
-
- if (match_case) {
- *can_do_previous = gtk_text_iter_backward_search (&iter_at_mark,
- search_criteria,
- 0,
- &iter_match_start,
- &iter_match_end,
- NULL);
- } else {
- *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);
- }
-
- if (match_case) {
- *can_do_next = gtk_text_iter_forward_search (&iter_at_mark,
- search_criteria,
- 0,
- &iter_match_start,
- &iter_match_end,
- NULL);
- } else {
- *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)
-{
- 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) {
- if (match_case) {
- found = gtk_text_iter_forward_search (&iter,
- text,
- 0,
- &iter_match_start,
- &iter_match_end,
- NULL);
- } else {
- 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;
-}
-
-gint64
-empathy_chat_text_view_get_last_timestamp (EmpathyChatTextView *view)
-{
- EmpathyChatTextViewPriv *priv = GET_PRIV (view);
-
- g_return_val_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view), 0);
-
- return priv->last_timestamp;
-}
-
-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 */
- use_smileys = g_settings_get_boolean (priv->gsettings_chat,
- EMPATHY_PREFS_CHAT_SHOW_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;
-}
-
projects / empathy.git / commitdiff