/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Copyright (C) 2002-2007 Imendio AB
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Authors: Mikael Hallendal <micke@imendio.com>
* Richard Hult <richard@imendio.com>
* Martyn Russell <martyn@imendio.com>
*/
#include "config.h"
#include <sys/types.h>
#include <string.h>
#include <time.h>
#include <glib/gi18n.h>
#include <gtk/gtkbutton.h>
#include <gtk/gtkimage.h>
#include <gtk/gtkmenu.h>
#include <gtk/gtkmenuitem.h>
#include <gtk/gtkimagemenuitem.h>
#include <gtk/gtkstock.h>
#include <gtk/gtkscrolledwindow.h>
#include <gtk/gtksizegroup.h>
#include <glade/glade.h>
#include <telepathy-glib/util.h>
#include <libmissioncontrol/mc-account.h>
#include <libempathy/empathy-utils.h>
#include "empathy-chat-view.h"
#include "empathy-chat.h"
#include "empathy-conf.h"
#include "empathy-theme-manager.h"
#include "empathy-ui-utils.h"
#include "empathy-smiley-manager.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 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, EmpathyChatView)
typedef struct {
GtkTextBuffer *buffer;
EmpathyTheme *theme;
time_t last_timestamp;
gboolean allow_scrolling;
guint scroll_timeout;
GTimer *scroll_time;
GtkTextMark *find_mark_previous;
GtkTextMark *find_mark_next;
gboolean find_wrapped;
gboolean find_last_direction;
/* This is for the group chat so we know if the "other" last contact
* changed, so we know whether to insert a header or not.
*/
EmpathyContact *last_contact;
guint notify_system_fonts_id;
guint notify_show_avatars_id;
} EmpathyChatViewPriv;
static void chat_view_finalize (GObject *object);
static gboolean chat_view_drag_motion (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time);
static void chat_view_size_allocate (GtkWidget *widget,
GtkAllocation *alloc);
static void chat_view_setup_tags (EmpathyChatView *view);
static void chat_view_system_font_update (EmpathyChatView *view);
static void chat_view_notify_system_font_cb (EmpathyConf *conf,
const gchar *key,
gpointer user_data);
static void chat_view_notify_show_avatars_cb (EmpathyConf *conf,
const gchar *key,
gpointer user_data);
static void chat_view_populate_popup (EmpathyChatView *view,
GtkMenu *menu,
gpointer user_data);
static gboolean chat_view_event_cb (EmpathyChatView *view,
GdkEventMotion *event,
GtkTextTag *tag);
static gboolean chat_view_url_event_cb (GtkTextTag *tag,
GObject *object,
GdkEvent *event,
GtkTextIter *iter,
GtkTextBuffer *buffer);
static void chat_view_open_address_cb (GtkMenuItem *menuitem,
const gchar *url);
static void chat_view_copy_address_cb (GtkMenuItem *menuitem,
const gchar *url);
static void chat_view_clear_view_cb (GtkMenuItem *menuitem,
EmpathyChatView *view);
static gboolean chat_view_is_scrolled_down (EmpathyChatView *view);
static void chat_view_theme_changed_cb (EmpathyThemeManager *manager,
EmpathyChatView *view);
static void chat_view_theme_notify_cb (EmpathyTheme *theme,
GParamSpec *param,
EmpathyChatView *view);
G_DEFINE_TYPE (EmpathyChatView, empathy_chat_view, GTK_TYPE_TEXT_VIEW);
static void
empathy_chat_view_class_init (EmpathyChatViewClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
object_class->finalize = chat_view_finalize;
widget_class->size_allocate = chat_view_size_allocate;
widget_class->drag_motion = chat_view_drag_motion;
g_type_class_add_private (object_class, sizeof (EmpathyChatViewPriv));
}
static void
empathy_chat_view_init (EmpathyChatView *view)
{
gboolean show_avatars;
EmpathyChatViewPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (view,
EMPATHY_TYPE_CHAT_VIEW, EmpathyChatViewPriv);
view->priv = priv;
priv->buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
priv->last_timestamp = 0;
priv->allow_scrolling = TRUE;
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_view_notify_system_font_cb,
view);
chat_view_system_font_update (view);
priv->notify_show_avatars_id =
empathy_conf_notify_add (empathy_conf_get (),
EMPATHY_PREFS_UI_SHOW_AVATARS,
chat_view_notify_show_avatars_cb,
view);
chat_view_setup_tags (view);
empathy_theme_manager_apply_saved (empathy_theme_manager_get (), view);
show_avatars = FALSE;
empathy_conf_get_bool (empathy_conf_get (),
EMPATHY_PREFS_UI_SHOW_AVATARS,
&show_avatars);
empathy_theme_set_show_avatars (priv->theme, show_avatars);
g_signal_connect (view,
"populate-popup",
G_CALLBACK (chat_view_populate_popup),
NULL);
g_signal_connect_object (empathy_theme_manager_get (),
"theme-changed",
G_CALLBACK (chat_view_theme_changed_cb),
view,
0);
}
static void
chat_view_finalize (GObject *object)
{
EmpathyChatView *view;
EmpathyChatViewPriv *priv;
view = EMPATHY_CHAT_VIEW (object);
priv = GET_PRIV (view);
DEBUG ("finalize: %p", object);
empathy_conf_notify_remove (empathy_conf_get (), priv->notify_system_fonts_id);
empathy_conf_notify_remove (empathy_conf_get (), priv->notify_show_avatars_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);
}
if (priv->theme) {
g_signal_handlers_disconnect_by_func (priv->theme,
chat_view_theme_notify_cb,
view);
g_object_unref (priv->theme);
}
G_OBJECT_CLASS (empathy_chat_view_parent_class)->finalize (object);
}
static gboolean
chat_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_view_size_allocate (GtkWidget *widget,
GtkAllocation *alloc)
{
gboolean down;
down = chat_view_is_scrolled_down (EMPATHY_CHAT_VIEW (widget));
GTK_WIDGET_CLASS (empathy_chat_view_parent_class)->size_allocate (widget, alloc);
if (down) {
GtkAdjustment *adj;
adj = GTK_TEXT_VIEW (widget)->vadjustment;
gtk_adjustment_set_value (adj, adj->upper - adj->page_size);
}
}
static void
chat_view_setup_tags (EmpathyChatView *view)
{
EmpathyChatViewPriv *priv;
GtkTextTag *tag;
priv = GET_PRIV (view);
gtk_text_buffer_create_tag (priv->buffer,
"cut",
NULL);
/* FIXME: Move to the theme and come up with something that looks a bit
* nicer.
*/
gtk_text_buffer_create_tag (priv->buffer,
"highlight",
"background", "yellow",
NULL);
tag = gtk_text_buffer_create_tag (priv->buffer,
"link",
NULL);
g_signal_connect (tag,
"event",
G_CALLBACK (chat_view_url_event_cb),
priv->buffer);
g_signal_connect (view,
"motion-notify-event",
G_CALLBACK (chat_view_event_cb),
tag);
}
static void
chat_view_system_font_update (EmpathyChatView *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_view_notify_system_font_cb (EmpathyConf *conf,
const gchar *key,
gpointer user_data)
{
EmpathyChatView *view;
EmpathyChatViewPriv *priv;
gboolean show_avatars = FALSE;
view = user_data;
priv = GET_PRIV (view);
chat_view_system_font_update (view);
/* Ugly, again, to adjust the vertical position of the nick... Will fix
* this when reworking the theme manager so that view register
* themselves with it instead of the other way around.
*/
empathy_conf_get_bool (conf,
EMPATHY_PREFS_UI_SHOW_AVATARS,
&show_avatars);
empathy_theme_set_show_avatars (priv->theme, show_avatars);
}
static void
chat_view_notify_show_avatars_cb (EmpathyConf *conf,
const gchar *key,
gpointer user_data)
{
EmpathyChatView *view;
EmpathyChatViewPriv *priv;
gboolean show_avatars = FALSE;
view = user_data;
priv = GET_PRIV (view);
empathy_conf_get_bool (conf, key, &show_avatars);
empathy_theme_set_show_avatars (priv->theme, show_avatars);
}
static void
chat_view_populate_popup (EmpathyChatView *view,
GtkMenu *menu,
gpointer user_data)
{
EmpathyChatViewPriv *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_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 (item,
"activate",
G_CALLBACK (chat_view_clear_view_cb),
view);
}
/* Link context menu items */
table = gtk_text_buffer_get_tag_table (priv->buffer);
tag = gtk_text_tag_table_lookup (table, "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 (G_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_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_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_view_open_address_cb),
str);
gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
gtk_widget_show (item);
}
static gboolean
chat_view_event_cb (EmpathyChatView *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 gboolean
chat_view_url_event_cb (GtkTextTag *tag,
GObject *object,
GdkEvent *event,
GtkTextIter *iter,
GtkTextBuffer *buffer)
{
GtkTextIter start, end;
gchar *str;
/* If the link is being selected, don't do anything. */
gtk_text_buffer_get_selection_bounds (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 (buffer,
&start,
&end,
FALSE);
empathy_url_show (str);
g_free (str);
}
}
return FALSE;
}
static void
chat_view_open_address_cb (GtkMenuItem *menuitem, const gchar *url)
{
empathy_url_show (url);
}
static void
chat_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_view_clear_view_cb (GtkMenuItem *menuitem, EmpathyChatView *view)
{
empathy_chat_view_clear (view);
}
static gboolean
chat_view_is_scrolled_down (EmpathyChatView *view)
{
GtkWidget *sw;
sw = gtk_widget_get_parent (GTK_WIDGET (view));
if (GTK_IS_SCROLLED_WINDOW (sw)) {
GtkAdjustment *vadj;
vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (sw));
if (vadj->value + vadj->page_size / 2 < vadj->upper - vadj->page_size) {
return FALSE;
}
}
return TRUE;
}
static void
chat_view_maybe_trim_buffer (EmpathyChatView *view)
{
EmpathyChatViewPriv *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, "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_view_theme_changed_cb (EmpathyThemeManager *manager,
EmpathyChatView *view)
{
EmpathyChatViewPriv *priv;
gboolean show_avatars = FALSE;
priv = GET_PRIV (view);
empathy_theme_manager_apply_saved (manager, view);
/* Needed for now to update the "rise" property of the names to get it
* vertically centered.
*/
empathy_conf_get_bool (empathy_conf_get (),
EMPATHY_PREFS_UI_SHOW_AVATARS,
&show_avatars);
empathy_theme_set_show_avatars (priv->theme, show_avatars);
}
/* Pads a pixbuf to the specified size, by centering it in a larger transparent
* pixbuf. Returns a new ref.
*/
static GdkPixbuf *
chat_view_pad_to_size (GdkPixbuf *pixbuf,
gint width,
gint height,
gint extra_padding_right)
{
gint src_width, src_height;
GdkPixbuf *padded;
gint x_offset, y_offset;
src_width = gdk_pixbuf_get_width (pixbuf);
src_height = gdk_pixbuf_get_height (pixbuf);
x_offset = (width - src_width) / 2;
y_offset = (height - src_height) / 2;
padded = gdk_pixbuf_new (gdk_pixbuf_get_colorspace (pixbuf),
TRUE, /* alpha */
gdk_pixbuf_get_bits_per_sample (pixbuf),
width + extra_padding_right,
height);
gdk_pixbuf_fill (padded, 0);
gdk_pixbuf_copy_area (pixbuf,
0, /* source coords */
0,
src_width,
src_height,
padded,
x_offset, /* dest coords */
y_offset);
return padded;
}
typedef struct {
GdkPixbuf *pixbuf;
gchar *token;
} AvatarData;
static void
chat_view_avatar_cache_data_free (gpointer ptr)
{
AvatarData *data = ptr;
g_object_unref (data->pixbuf);
g_free (data->token);
g_slice_free (AvatarData, data);
}
GdkPixbuf *
empathy_chat_view_get_avatar_pixbuf_with_cache (EmpathyContact *contact)
{
AvatarData *data;
EmpathyAvatar *avatar;
GdkPixbuf *tmp_pixbuf;
GdkPixbuf *pixbuf = NULL;
/* Check if avatar is in cache and if it's up to date */
avatar = empathy_contact_get_avatar (contact);
data = g_object_get_data (G_OBJECT (contact), "chat-view-avatar-cache");
if (data) {
if (avatar && !tp_strdiff (avatar->token, data->token)) {
/* We have the avatar in cache */
return data->pixbuf;
}
}
/* Avatar not in cache, create pixbuf */
tmp_pixbuf = empathy_pixbuf_avatar_from_contact_scaled (contact, 32, 32);
if (tmp_pixbuf) {
pixbuf = chat_view_pad_to_size (tmp_pixbuf, 32, 32, 6);
g_object_unref (tmp_pixbuf);
}
if (!pixbuf) {
return NULL;
}
/* Insert new pixbuf in cache */
data = g_slice_new0 (AvatarData);
data->token = g_strdup (avatar->token);
data->pixbuf = pixbuf;
g_object_set_data_full (G_OBJECT (contact), "chat-view-avatar-cache",
data, chat_view_avatar_cache_data_free);
return data->pixbuf;
}
EmpathyChatView *
empathy_chat_view_new (void)
{
return g_object_new (EMPATHY_TYPE_CHAT_VIEW, NULL);
}
/* Code stolen from pidgin/gtkimhtml.c */
static gboolean
chat_view_scroll_cb (EmpathyChatView *view)
{
EmpathyChatViewPriv *priv;
GtkAdjustment *adj;
gdouble max_val;
priv = GET_PRIV (view);
adj = GTK_TEXT_VIEW (view)->vadjustment;
max_val = adj->upper - adj->page_size;
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;
}
void
empathy_chat_view_scroll_down (EmpathyChatView *view)
{
EmpathyChatViewPriv *priv;
g_return_if_fail (EMPATHY_IS_CHAT_VIEW (view));
priv = GET_PRIV (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_view_scroll_cb,
view);
}
}
void
empathy_chat_view_append_message (EmpathyChatView *view,
EmpathyMessage *msg)
{
EmpathyChatViewPriv *priv = GET_PRIV (view);
gboolean bottom;
g_return_if_fail (EMPATHY_IS_CHAT_VIEW (view));
g_return_if_fail (EMPATHY_IS_MESSAGE (msg));
if (!empathy_message_get_body (msg)) {
return;
}
bottom = chat_view_is_scrolled_down (view);
chat_view_maybe_trim_buffer (view);
empathy_theme_append_message (priv->theme, view, msg);
if (bottom) {
empathy_chat_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));
}
void
empathy_chat_view_append_event (EmpathyChatView *view,
const gchar *str)
{
EmpathyChatViewPriv *priv;
gboolean bottom;
g_return_if_fail (EMPATHY_IS_CHAT_VIEW (view));
g_return_if_fail (!G_STR_EMPTY (str));
priv = GET_PRIV (view);
bottom = chat_view_is_scrolled_down (view);
chat_view_maybe_trim_buffer (view);
empathy_theme_append_event (priv->theme, view, str);
if (bottom) {
empathy_chat_view_scroll_down (view);
}
if (priv->last_contact) {
g_object_unref (priv->last_contact);
priv->last_contact = NULL;
}
}
void
empathy_chat_view_append_button (EmpathyChatView *view,
const gchar *message,
GtkWidget *button1,
GtkWidget *button2)
{
EmpathyChatViewPriv *priv;
GtkTextChildAnchor *anchor;
GtkTextIter iter;
gboolean bottom;
const gchar *tag;
g_return_if_fail (EMPATHY_IS_CHAT_VIEW (view));
g_return_if_fail (button1 != NULL);
priv = GET_PRIV (view);
tag = "invite";
bottom = chat_view_is_scrolled_down (view);
empathy_theme_append_timestamp (priv->theme, view, NULL, TRUE, TRUE);
if (message) {
empathy_theme_append_text (priv->theme, view, message, tag, NULL);
}
gtk_text_buffer_get_end_iter (priv->buffer, &iter);
anchor = gtk_text_buffer_create_child_anchor (priv->buffer, &iter);
gtk_text_view_add_child_at_anchor (GTK_TEXT_VIEW (view), button1, anchor);
gtk_widget_show (button1);
gtk_text_buffer_insert_with_tags_by_name (priv->buffer,
&iter,
" ",
1,
tag,
NULL);
if (button2) {
gtk_text_buffer_get_end_iter (priv->buffer, &iter);
anchor = gtk_text_buffer_create_child_anchor (priv->buffer, &iter);
gtk_text_view_add_child_at_anchor (GTK_TEXT_VIEW (view), button2, anchor);
gtk_widget_show (button2);
gtk_text_buffer_insert_with_tags_by_name (priv->buffer,
&iter,
" ",
1,
tag,
NULL);
}
gtk_text_buffer_get_end_iter (priv->buffer, &iter);
gtk_text_buffer_insert_with_tags_by_name (priv->buffer,
&iter,
"\n\n",
2,
tag,
NULL);
if (bottom) {
empathy_chat_view_scroll_down (view);
}
if (priv->last_contact) {
g_object_unref (priv->last_contact);
priv->last_contact = NULL;
}
}
void
empathy_chat_view_scroll (EmpathyChatView *view,
gboolean allow_scrolling)
{
EmpathyChatViewPriv *priv = GET_PRIV (view);
g_return_if_fail (EMPATHY_IS_CHAT_VIEW (view));
DEBUG ("Scrolling %s", allow_scrolling ? "enabled" : "disabled");
priv->allow_scrolling = allow_scrolling;
if (allow_scrolling) {
empathy_chat_view_scroll_down (view);
}
}
gboolean
empathy_chat_view_get_selection_bounds (EmpathyChatView *view,
GtkTextIter *start,
GtkTextIter *end)
{
GtkTextBuffer *buffer;
g_return_val_if_fail (EMPATHY_IS_CHAT_VIEW (view), FALSE);
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
return gtk_text_buffer_get_selection_bounds (buffer, start, end);
}
void
empathy_chat_view_clear (EmpathyChatView *view)
{
GtkTextBuffer *buffer;
EmpathyChatViewPriv *priv;
g_return_if_fail (EMPATHY_IS_CHAT_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;
}
gboolean
empathy_chat_view_find_previous (EmpathyChatView *view,
const gchar *search_criteria,
gboolean new_search)
{
EmpathyChatViewPriv *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_VIEW (view), FALSE);
g_return_val_if_fail (search_criteria != NULL, FALSE);
priv = GET_PRIV (view);
buffer = priv->buffer;
if (G_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 (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;
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 = empathy_chat_view_find_previous (view,
search_criteria,
FALSE);
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;
}
gboolean
empathy_chat_view_find_next (EmpathyChatView *view,
const gchar *search_criteria,
gboolean new_search)
{
EmpathyChatViewPriv *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_VIEW (view), FALSE);
g_return_val_if_fail (search_criteria != NULL, FALSE);
priv = GET_PRIV (view);
buffer = priv->buffer;
if (G_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 (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;
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 = empathy_chat_view_find_next (view,
search_criteria,
FALSE);
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;
}
void
empathy_chat_view_find_abilities (EmpathyChatView *view,
const gchar *search_criteria,
gboolean *can_do_previous,
gboolean *can_do_next)
{
EmpathyChatViewPriv *priv;
GtkTextBuffer *buffer;
GtkTextIter iter_at_mark;
GtkTextIter iter_match_start;
GtkTextIter iter_match_end;
g_return_if_fail (EMPATHY_IS_CHAT_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);
}
}
void
empathy_chat_view_highlight (EmpathyChatView *view,
const gchar *text)
{
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_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, "highlight",
&iter_start,
&iter_end);
if (G_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, "highlight",
&iter_match_start,
&iter_match_end);
iter = iter_match_end;
gtk_text_iter_forward_char (&iter);
}
}
void
empathy_chat_view_copy_clipboard (EmpathyChatView *view)
{
GtkTextBuffer *buffer;
GtkClipboard *clipboard;
g_return_if_fail (EMPATHY_IS_CHAT_VIEW (view));
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
gtk_text_buffer_copy_clipboard (buffer, clipboard);
}
EmpathyTheme *
empathy_chat_view_get_theme (EmpathyChatView *view)
{
EmpathyChatViewPriv *priv;
g_return_val_if_fail (EMPATHY_IS_CHAT_VIEW (view), NULL);
priv = GET_PRIV (view);
return priv->theme;
}
static void
chat_view_theme_notify_cb (EmpathyTheme *theme,
GParamSpec *param,
EmpathyChatView *view)
{
empathy_theme_update_view (theme, view);
}
void
empathy_chat_view_set_theme (EmpathyChatView *view, EmpathyTheme *theme)
{
EmpathyChatViewPriv *priv;
g_return_if_fail (EMPATHY_IS_CHAT_VIEW (view));
g_return_if_fail (EMPATHY_IS_THEME (theme));
priv = GET_PRIV (view);
if (priv->theme) {
g_signal_handlers_disconnect_by_func (priv->theme,
chat_view_theme_notify_cb,
view);
g_object_unref (priv->theme);
}
priv->theme = g_object_ref (theme);
empathy_theme_update_view (theme, view);
g_signal_connect (priv->theme, "notify",
G_CALLBACK (chat_view_theme_notify_cb),
view);
/* FIXME: Redraw all messages using the new theme */
}
void
empathy_chat_view_set_margin (EmpathyChatView *view,
gint margin)
{
EmpathyChatViewPriv *priv;
g_return_if_fail (EMPATHY_IS_CHAT_VIEW (view));
priv = GET_PRIV (view);
g_object_set (view,
"left-margin", margin,
"right-margin", margin,
NULL);
}
GtkWidget *
empathy_chat_view_get_smiley_menu (GCallback callback,
gpointer user_data)
{
EmpathySmileyManager *smiley_manager;
GSList *smileys, *l;
GtkWidget *menu;
gint x = 0;
gint y = 0;
g_return_val_if_fail (callback != NULL, NULL);
menu = gtk_menu_new ();
smiley_manager = empathy_smiley_manager_new ();
smileys = empathy_smiley_manager_get_all (smiley_manager);
for (l = smileys; l; l = l->next) {
EmpathySmiley *smiley;
GtkWidget *item;
GtkWidget *image;
smiley = l->data;
image = gtk_image_new_from_pixbuf (smiley->pixbuf);
item = gtk_image_menu_item_new_with_label ("");
gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
gtk_menu_attach (GTK_MENU (menu), item,
x, x + 1, y, y + 1);
gtk_widget_set_tooltip_text (item, smiley->str);
g_object_set_data (G_OBJECT (item), "smiley_text", smiley->str);
g_signal_connect (item, "activate", callback, user_data);
if (x > 3) {
y++;
x = 0;
} else {
x++;
}
}
g_object_unref (smiley_manager);
gtk_widget_show_all (menu);
return menu;
}
time_t
empathy_chat_view_get_last_timestamp (EmpathyChatView *view)
{
EmpathyChatViewPriv *priv;
g_return_val_if_fail (EMPATHY_IS_CHAT_VIEW (view), 0);
priv = GET_PRIV (view);
return priv->last_timestamp;
}
void
empathy_chat_view_set_last_timestamp (EmpathyChatView *view,
time_t timestamp)
{
EmpathyChatViewPriv *priv;
g_return_if_fail (EMPATHY_IS_CHAT_VIEW (view));
priv = GET_PRIV (view);
priv->last_timestamp = timestamp;
}
EmpathyContact *
empathy_chat_view_get_last_contact (EmpathyChatView *view)
{
EmpathyChatViewPriv *priv;
g_return_val_if_fail (EMPATHY_IS_CHAT_VIEW (view), NULL);
priv = GET_PRIV (view);
return priv->last_contact;
}