/* -*- 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 <libmissioncontrol/mc-account.h>
#include <libempathy/gossip-utils.h>
#include <libempathy/gossip-debug.h>
#include <libempathy/gossip-conf.h>
#include "gossip-chat-view.h"
#include "gossip-chat.h"
#include "gossip-preferences.h"
#include "gossip-theme-manager.h"
#include "gossip-ui-utils.h"
#define DEBUG_DOMAIN "ChatView"
/* Number of seconds between timestamps when using normal mode, 5 minutes. */
#define TIMESTAMP_INTERVAL 300
#define MAX_LINES 800
#define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GOSSIP_TYPE_CHAT_VIEW, GossipChatViewPriv))
typedef enum {
BLOCK_TYPE_NONE,
BLOCK_TYPE_SELF,
BLOCK_TYPE_OTHER,
BLOCK_TYPE_EVENT,
BLOCK_TYPE_TIME,
BLOCK_TYPE_INVITE
} BlockType;
struct _GossipChatViewPriv {
GtkTextBuffer *buffer;
gboolean irc_style;
time_t last_timestamp;
BlockType last_block_type;
gboolean allow_scrolling;
gboolean is_group_chat;
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.
*/
GossipContact *last_contact;
guint notify_system_fonts_id;
guint notify_show_avatars_id;
};
typedef struct {
GossipSmiley smiley;
const gchar *pattern;
} GossipSmileyPattern;
static const GossipSmileyPattern smileys[] = {
/* Forward smileys. */
{ GOSSIP_SMILEY_NORMAL, ":)" },
{ GOSSIP_SMILEY_WINK, ";)" },
{ GOSSIP_SMILEY_WINK, ";-)" },
{ GOSSIP_SMILEY_BIGEYE, "=)" },
{ GOSSIP_SMILEY_NOSE, ":-)" },
{ GOSSIP_SMILEY_CRY, ":'(" },
{ GOSSIP_SMILEY_SAD, ":(" },
{ GOSSIP_SMILEY_SAD, ":-(" },
{ GOSSIP_SMILEY_SCEPTICAL, ":/" },
{ GOSSIP_SMILEY_SCEPTICAL, ":\\" },
{ GOSSIP_SMILEY_BIGSMILE, ":D" },
{ GOSSIP_SMILEY_BIGSMILE, ":-D" },
{ GOSSIP_SMILEY_INDIFFERENT, ":|" },
{ GOSSIP_SMILEY_TOUNGE, ":p" },
{ GOSSIP_SMILEY_TOUNGE, ":-p" },
{ GOSSIP_SMILEY_TOUNGE, ":P" },
{ GOSSIP_SMILEY_TOUNGE, ":-P" },
{ GOSSIP_SMILEY_TOUNGE, ";p" },
{ GOSSIP_SMILEY_TOUNGE, ";-p" },
{ GOSSIP_SMILEY_TOUNGE, ";P" },
{ GOSSIP_SMILEY_TOUNGE, ";-P" },
{ GOSSIP_SMILEY_SHOCKED, ":o" },
{ GOSSIP_SMILEY_SHOCKED, ":-o" },
{ GOSSIP_SMILEY_SHOCKED, ":O" },
{ GOSSIP_SMILEY_SHOCKED, ":-O" },
{ GOSSIP_SMILEY_COOL, "8)" },
{ GOSSIP_SMILEY_COOL, "B)" },
{ GOSSIP_SMILEY_SORRY, "*|" },
{ GOSSIP_SMILEY_KISS, ":*" },
{ GOSSIP_SMILEY_SHUTUP, ":#" },
{ GOSSIP_SMILEY_SHUTUP, ":-#" },
{ GOSSIP_SMILEY_YAWN, "|O" },
{ GOSSIP_SMILEY_CONFUSED, ":S" },
{ GOSSIP_SMILEY_CONFUSED, ":s" },
{ GOSSIP_SMILEY_ANGEL, "<)" },
{ GOSSIP_SMILEY_OOOH, ":x" },
{ GOSSIP_SMILEY_LOOKAWAY, "*)" },
{ GOSSIP_SMILEY_LOOKAWAY, "*-)" },
{ GOSSIP_SMILEY_BLUSH, "*S" },
{ GOSSIP_SMILEY_BLUSH, "*s" },
{ GOSSIP_SMILEY_BLUSH, "*$" },
{ GOSSIP_SMILEY_COOLBIGSMILE, "8D" },
{ GOSSIP_SMILEY_ANGRY, ":@" },
{ GOSSIP_SMILEY_BOSS, "@)" },
{ GOSSIP_SMILEY_MONKEY, "#)" },
{ GOSSIP_SMILEY_SILLY, "O)" },
{ GOSSIP_SMILEY_SICK, "+o(" },
/* Backward smileys. */
{ GOSSIP_SMILEY_NORMAL, "(:" },
{ GOSSIP_SMILEY_WINK, "(;" },
{ GOSSIP_SMILEY_WINK, "(-;" },
{ GOSSIP_SMILEY_BIGEYE, "(=" },
{ GOSSIP_SMILEY_NOSE, "(-:" },
{ GOSSIP_SMILEY_CRY, ")':" },
{ GOSSIP_SMILEY_SAD, "):" },
{ GOSSIP_SMILEY_SAD, ")-:" },
{ GOSSIP_SMILEY_SCEPTICAL, "/:" },
{ GOSSIP_SMILEY_SCEPTICAL, "//:" },
{ GOSSIP_SMILEY_INDIFFERENT, "|:" },
{ GOSSIP_SMILEY_TOUNGE, "d:" },
{ GOSSIP_SMILEY_TOUNGE, "d-:" },
{ GOSSIP_SMILEY_TOUNGE, "d;" },
{ GOSSIP_SMILEY_TOUNGE, "d-;" },
{ GOSSIP_SMILEY_SHOCKED, "o:" },
{ GOSSIP_SMILEY_SHOCKED, "O:" },
{ GOSSIP_SMILEY_COOL, "(8" },
{ GOSSIP_SMILEY_COOL, "(B" },
{ GOSSIP_SMILEY_SORRY, "|*" },
{ GOSSIP_SMILEY_KISS, "*:" },
{ GOSSIP_SMILEY_SHUTUP, "#:" },
{ GOSSIP_SMILEY_SHUTUP, "#-:" },
{ GOSSIP_SMILEY_YAWN, "O|" },
{ GOSSIP_SMILEY_CONFUSED, "S:" },
{ GOSSIP_SMILEY_CONFUSED, "s:" },
{ GOSSIP_SMILEY_ANGEL, "(>" },
{ GOSSIP_SMILEY_OOOH, "x:" },
{ GOSSIP_SMILEY_LOOKAWAY, "(*" },
{ GOSSIP_SMILEY_LOOKAWAY, "(-*" },
{ GOSSIP_SMILEY_BLUSH, "S*" },
{ GOSSIP_SMILEY_BLUSH, "s*" },
{ GOSSIP_SMILEY_BLUSH, "$*" },
{ GOSSIP_SMILEY_ANGRY, "@:" },
{ GOSSIP_SMILEY_BOSS, "(@" },
{ GOSSIP_SMILEY_MONKEY, "#)" },
{ GOSSIP_SMILEY_SILLY, "(O" },
{ GOSSIP_SMILEY_SICK, ")o+" }
};
static void gossip_chat_view_class_init (GossipChatViewClass *klass);
static void gossip_chat_view_init (GossipChatView *view);
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 (GossipChatView *view);
static void chat_view_system_font_update (GossipChatView *view);
static void chat_view_notify_system_font_cb (GossipConf *conf,
const gchar *key,
gpointer user_data);
static void chat_view_notify_show_avatars_cb (GossipConf *conf,
const gchar *key,
gpointer user_data);
static void chat_view_populate_popup (GossipChatView *view,
GtkMenu *menu,
gpointer user_data);
static gboolean chat_view_event_cb (GossipChatView *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,
GossipChatView *view);
static void chat_view_insert_text_with_emoticons (GtkTextBuffer *buf,
GtkTextIter *iter,
const gchar *str);
static gboolean chat_view_is_scrolled_down (GossipChatView *view);
static void chat_view_theme_changed_cb (GossipThemeManager *manager,
GossipChatView *view);
static void chat_view_maybe_append_date_and_time (GossipChatView *view,
GossipMessage *msg);
static void chat_view_append_spacing (GossipChatView *view);
static void chat_view_append_text (GossipChatView *view,
const gchar *body,
const gchar *tag);
static void chat_view_maybe_append_fancy_header (GossipChatView *view,
GossipMessage *msg);
static void chat_view_append_irc_action (GossipChatView *view,
GossipMessage *msg);
static void chat_view_append_fancy_action (GossipChatView *view,
GossipMessage *msg);
static void chat_view_append_irc_message (GossipChatView *view,
GossipMessage *msg);
static void chat_view_append_fancy_message (GossipChatView *view,
GossipMessage *msg);
G_DEFINE_TYPE (GossipChatView, gossip_chat_view, GTK_TYPE_TEXT_VIEW);
static void
gossip_chat_view_class_init (GossipChatViewClass *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 (GossipChatViewPriv));
}
static void
gossip_chat_view_init (GossipChatView *view)
{
GossipChatViewPriv *priv;
gboolean show_avatars;
priv = GET_PRIV (view);
priv->buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
priv->last_block_type = BLOCK_TYPE_NONE;
priv->last_timestamp = 0;
priv->allow_scrolling = TRUE;
priv->is_group_chat = FALSE;
g_object_set (view,
"wrap-mode", GTK_WRAP_WORD_CHAR,
"editable", FALSE,
"cursor-visible", FALSE,
NULL);
priv->notify_system_fonts_id =
gossip_conf_notify_add (gossip_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 =
gossip_conf_notify_add (gossip_conf_get (),
GOSSIP_PREFS_UI_SHOW_AVATARS,
chat_view_notify_show_avatars_cb,
view);
chat_view_setup_tags (view);
gossip_theme_manager_apply_saved (gossip_theme_manager_get (), view);
show_avatars = FALSE;
gossip_conf_get_bool (gossip_conf_get (),
GOSSIP_PREFS_UI_SHOW_AVATARS,
&show_avatars);
gossip_theme_manager_update_show_avatars (gossip_theme_manager_get (),
view, show_avatars);
g_signal_connect (view,
"populate-popup",
G_CALLBACK (chat_view_populate_popup),
NULL);
g_signal_connect_object (gossip_theme_manager_get (),
"theme-changed",
G_CALLBACK (chat_view_theme_changed_cb),
view,
0);
}
static void
chat_view_finalize (GObject *object)
{
GossipChatView *view;
GossipChatViewPriv *priv;
view = GOSSIP_CHAT_VIEW (object);
priv = GET_PRIV (view);
gossip_debug (DEBUG_DOMAIN, "finalize: %p", object);
gossip_conf_notify_remove (gossip_conf_get (), priv->notify_system_fonts_id);
gossip_conf_notify_remove (gossip_conf_get (), priv->notify_show_avatars_id);
if (priv->last_contact) {
g_object_unref (priv->last_contact);
}
G_OBJECT_CLASS (gossip_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 (GOSSIP_CHAT_VIEW (widget));
GTK_WIDGET_CLASS (gossip_chat_view_parent_class)->size_allocate (widget, alloc);
if (down) {
gossip_chat_view_scroll_down (GOSSIP_CHAT_VIEW (widget));
}
}
static void
chat_view_setup_tags (GossipChatView *view)
{
GossipChatViewPriv *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 (GossipChatView *view)
{
PangoFontDescription *font_description = NULL;
gchar *font_name;
if (gossip_conf_get_string (gossip_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 (GossipConf *conf,
const gchar *key,
gpointer user_data)
{
GossipChatView *view;
gboolean show_avatars = FALSE;
view = user_data;
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.
*/
gossip_conf_get_bool (conf,
GOSSIP_PREFS_UI_SHOW_AVATARS,
&show_avatars);
gossip_theme_manager_update_show_avatars (gossip_theme_manager_get (),
view, show_avatars);
}
static void
chat_view_notify_show_avatars_cb (GossipConf *conf,
const gchar *key,
gpointer user_data)
{
GossipChatView *view;
GossipChatViewPriv *priv;
gboolean show_avatars = FALSE;
view = user_data;
priv = GET_PRIV (view);
gossip_conf_get_bool (conf, key, &show_avatars);
gossip_theme_manager_update_show_avatars (gossip_theme_manager_get (),
view, show_avatars);
}
static void
chat_view_populate_popup (GossipChatView *view,
GtkMenu *menu,
gpointer user_data)
{
GossipChatViewPriv *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 (GossipChatView *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);
gossip_url_show (str);
g_free (str);
}
}
return FALSE;
}
static void
chat_view_open_address_cb (GtkMenuItem *menuitem, const gchar *url)
{
gossip_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, GossipChatView *view)
{
gossip_chat_view_clear (view);
}
static void
chat_view_insert_text_with_emoticons (GtkTextBuffer *buf,
GtkTextIter *iter,
const gchar *str)
{
const gchar *p;
gunichar c, prev_c;
gint i;
gint match;
gint submatch;
gboolean use_smileys = FALSE;
gossip_conf_get_bool (gossip_conf_get (),
GOSSIP_PREFS_CHAT_SHOW_SMILEYS,
&use_smileys);
if (!use_smileys) {
gtk_text_buffer_insert (buf, iter, str, -1);
return;
}
while (*str) {
gint smileys_index[G_N_ELEMENTS (smileys)];
GdkPixbuf *pixbuf;
gint len;
const gchar *start;
memset (smileys_index, 0, sizeof (smileys_index));
match = -1;
submatch = -1;
p = str;
prev_c = 0;
while (*p) {
c = g_utf8_get_char (p);
if (match != -1 && g_unichar_isspace (c)) {
break;
} else {
match = -1;
}
if (submatch != -1 || prev_c == 0 || g_unichar_isspace (prev_c)) {
submatch = -1;
for (i = 0; i < G_N_ELEMENTS (smileys); i++) {
/* Only try to match if we already have
* a beginning match for the pattern, or
* if it's the first character in the
* pattern, if it's not in the middle of
* a word.
*/
if (((smileys_index[i] == 0 && (prev_c == 0 || g_unichar_isspace (prev_c))) ||
smileys_index[i] > 0) &&
smileys[i].pattern[smileys_index[i]] == c) {
submatch = i;
smileys_index[i]++;
if (!smileys[i].pattern[smileys_index[i]]) {
match = i;
}
} else {
smileys_index[i] = 0;
}
}
}
prev_c = c;
p = g_utf8_next_char (p);
}
if (match == -1) {
gtk_text_buffer_insert (buf, iter, str, -1);
return;
}
start = p - strlen (smileys[match].pattern);
if (start > str) {
len = start - str;
gtk_text_buffer_insert (buf, iter, str, len);
}
pixbuf = gossip_chat_view_get_smiley_image (smileys[match].smiley);
gtk_text_buffer_insert_pixbuf (buf, iter, pixbuf);
gtk_text_buffer_insert (buf, iter, " ", 1);
str = g_utf8_find_next_char (p, NULL);
}
}
static gboolean
chat_view_is_scrolled_down (GossipChatView *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 (GossipChatView *view)
{
GossipChatViewPriv *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_maybe_append_date_and_time (GossipChatView *view,
GossipMessage *msg)
{
GossipChatViewPriv *priv;
const gchar *tag;
time_t timestamp;
GDate *date, *last_date;
GtkTextIter iter;
gboolean append_date, append_time;
GString *str;
priv = GET_PRIV (view);
if (priv->irc_style) {
tag = "irc-time";
} else {
tag = "fancy-time";
}
if (priv->last_block_type == BLOCK_TYPE_TIME) {
return;
}
str = g_string_new (NULL);
timestamp = 0;
if (msg) {
timestamp = gossip_message_get_timestamp (msg);
}
if (timestamp <= 0) {
timestamp = gossip_time_get_current ();
}
date = g_date_new ();
g_date_set_time (date, timestamp);
last_date = g_date_new ();
g_date_set_time (last_date, priv->last_timestamp);
append_date = FALSE;
append_time = FALSE;
if (g_date_compare (date, last_date) > 0) {
append_date = TRUE;
append_time = TRUE;
}
if (priv->last_timestamp + TIMESTAMP_INTERVAL < timestamp) {
append_time = TRUE;
}
if (append_time || append_date) {
chat_view_append_spacing (view);
g_string_append (str, "- ");
}
if (append_date) {
gchar buf[256];
g_date_strftime (buf, 256, _("%A %d %B %Y"), date);
g_string_append (str, buf);
if (append_time) {
g_string_append (str, ", ");
}
}
g_date_free (date);
g_date_free (last_date);
if (append_time) {
gchar *tmp;
tmp = gossip_time_to_string_local (timestamp, GOSSIP_TIME_FORMAT_DISPLAY_SHORT);
g_string_append (str, tmp);
g_free (tmp);
}
if (append_time || append_date) {
g_string_append (str, " -\n");
gtk_text_buffer_get_end_iter (priv->buffer, &iter);
gtk_text_buffer_insert_with_tags_by_name (priv->buffer,
&iter,
str->str, -1,
tag,
NULL);
priv->last_block_type = BLOCK_TYPE_TIME;
priv->last_timestamp = timestamp;
}
g_string_free (str, TRUE);
}
static void
chat_view_append_spacing (GossipChatView *view)
{
GossipChatViewPriv *priv;
const gchar *tag;
GtkTextIter iter;
priv = GET_PRIV (view);
if (priv->irc_style) {
tag = "irc-spacing";
} else {
tag = "fancy-spacing";
}
gtk_text_buffer_get_end_iter (priv->buffer, &iter);
gtk_text_buffer_insert_with_tags_by_name (priv->buffer,
&iter,
"\n",
-1,
"cut",
tag,
NULL);
}
static void
chat_view_append_text (GossipChatView *view,
const gchar *body,
const gchar *tag)
{
GossipChatViewPriv *priv;
GtkTextIter start_iter, end_iter;
GtkTextMark *mark;
GtkTextIter iter;
gint num_matches, i;
GArray *start, *end;
const gchar *link_tag;
priv = GET_PRIV (view);
if (priv->irc_style) {
link_tag = "irc-link";
} else {
link_tag = "fancy-link";
}
gtk_text_buffer_get_end_iter (priv->buffer, &start_iter);
mark = gtk_text_buffer_create_mark (priv->buffer, NULL, &start_iter, TRUE);
start = g_array_new (FALSE, FALSE, sizeof (gint));
end = g_array_new (FALSE, FALSE, sizeof (gint));
num_matches = gossip_regex_match (GOSSIP_REGEX_ALL, body, start, end);
if (num_matches == 0) {
gtk_text_buffer_get_end_iter (priv->buffer, &iter);
chat_view_insert_text_with_emoticons (priv->buffer, &iter, body);
} else {
gint last = 0;
gint s = 0, e = 0;
gchar *tmp;
for (i = 0; i < num_matches; i++) {
s = g_array_index (start, gint, i);
e = g_array_index (end, gint, i);
if (s > last) {
tmp = gossip_substring (body, last, s);
gtk_text_buffer_get_end_iter (priv->buffer, &iter);
chat_view_insert_text_with_emoticons (priv->buffer,
&iter,
tmp);
g_free (tmp);
}
tmp = gossip_substring (body, s, e);
gtk_text_buffer_get_end_iter (priv->buffer, &iter);
gtk_text_buffer_insert_with_tags_by_name (priv->buffer,
&iter,
tmp,
-1,
link_tag,
"link",
NULL);
g_free (tmp);
last = e;
}
if (e < strlen (body)) {
tmp = gossip_substring (body, e, strlen (body));
gtk_text_buffer_get_end_iter (priv->buffer, &iter);
chat_view_insert_text_with_emoticons (priv->buffer,
&iter,
tmp);
g_free (tmp);
}
}
g_array_free (start, TRUE);
g_array_free (end, TRUE);
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, &end_iter);
gtk_text_buffer_apply_tag_by_name (priv->buffer,
tag,
&start_iter,
&end_iter);
gtk_text_buffer_delete_mark (priv->buffer, mark);
}
static void
chat_view_maybe_append_fancy_header (GossipChatView *view,
GossipMessage *msg)
{
GossipChatViewPriv *priv;
GossipContact *sender;
GossipContact *my_contact;
const gchar *name;
gboolean header;
GtkTextIter iter;
gchar *tmp;
const gchar *tag;
const gchar *avatar_tag;
const gchar *line_top_tag;
const gchar *line_bottom_tag;
gboolean from_self;
GdkPixbuf *avatar;
priv = GET_PRIV (view);
sender = gossip_message_get_sender (msg);
my_contact = gossip_get_own_contact_from_contact (sender);
name = gossip_contact_get_name (sender);
from_self = gossip_contact_equal (sender, my_contact);
gossip_debug (DEBUG_DOMAIN, "Maybe add fancy header");
if (from_self) {
tag = "fancy-header-self";
line_top_tag = "fancy-line-top-self";
line_bottom_tag = "fancy-line-bottom-self";
} else {
tag = "fancy-header-other";
line_top_tag = "fancy-line-top-other";
line_bottom_tag = "fancy-line-bottom-other";
}
header = FALSE;
/* Only insert a header if the previously inserted block is not the same
* as this one. This catches all the different cases:
*/
if (priv->last_block_type != BLOCK_TYPE_SELF &&
priv->last_block_type != BLOCK_TYPE_OTHER) {
header = TRUE;
}
else if (from_self && priv->last_block_type == BLOCK_TYPE_OTHER) {
header = TRUE;
}
else if (!from_self && priv->last_block_type == BLOCK_TYPE_SELF) {
header = TRUE;
}
else if (!from_self &&
(!priv->last_contact ||
!gossip_contact_equal (sender, priv->last_contact))) {
header = TRUE;
}
if (!header) {
return;
}
chat_view_append_spacing (view);
gtk_text_buffer_get_end_iter (priv->buffer, &iter);
gtk_text_buffer_insert_with_tags_by_name (priv->buffer,
&iter,
"\n",
-1,
line_top_tag,
NULL);
avatar = gossip_pixbuf_avatar_from_contact_scaled (sender, 32, 32);
if (avatar) {
GtkTextIter start;
gtk_text_buffer_get_end_iter (priv->buffer, &iter);
gtk_text_buffer_insert_pixbuf (priv->buffer, &iter, avatar);
gtk_text_buffer_get_end_iter (priv->buffer, &iter);
start = iter;
gtk_text_iter_backward_char (&start);
if (from_self) {
gtk_text_buffer_apply_tag_by_name (priv->buffer,
"fancy-avatar-self",
&start, &iter);
avatar_tag = "fancy-header-self-avatar";
} else {
gtk_text_buffer_apply_tag_by_name (priv->buffer,
"fancy-avatar-other",
&start, &iter);
avatar_tag = "fancy-header-other-avatar";
}
g_object_unref (avatar);
} else {
avatar_tag = NULL;
}
tmp = g_strdup_printf ("%s\n", name);
gtk_text_buffer_get_end_iter (priv->buffer, &iter);
gtk_text_buffer_insert_with_tags_by_name (priv->buffer,
&iter,
tmp,
-1,
tag,
avatar_tag,
NULL);
g_free (tmp);
gtk_text_buffer_get_end_iter (priv->buffer, &iter);
gtk_text_buffer_insert_with_tags_by_name (priv->buffer,
&iter,
"\n",
-1,
line_bottom_tag,
NULL);
}
static void
chat_view_append_irc_action (GossipChatView *view,
GossipMessage *msg)
{
GossipChatViewPriv *priv;
GossipContact *my_contact;
GossipContact *sender;
const gchar *name;
GtkTextIter iter;
const gchar *body;
gchar *tmp;
const gchar *tag;
priv = GET_PRIV (view);
gossip_debug (DEBUG_DOMAIN, "Add IRC action");
sender = gossip_message_get_sender (msg);
my_contact = gossip_get_own_contact_from_contact (sender);
name = gossip_contact_get_name (sender);
/* Skip the "/me ". */
if (gossip_contact_equal (sender, my_contact)) {
tag = "irc-action-self";
} else {
tag = "irc-action-other";
}
if (priv->last_block_type != BLOCK_TYPE_SELF &&
priv->last_block_type != BLOCK_TYPE_OTHER) {
chat_view_append_spacing (view);
}
gtk_text_buffer_get_end_iter (priv->buffer, &iter);
tmp = g_strdup_printf (" * %s ", name);
gtk_text_buffer_insert_with_tags_by_name (priv->buffer,
&iter,
tmp,
-1,
"cut",
tag,
NULL);
g_free (tmp);
body = gossip_message_get_body (msg);
chat_view_append_text (view, body, tag);
}
static void
chat_view_append_fancy_action (GossipChatView *view,
GossipMessage *msg)
{
GossipChatViewPriv *priv;
GossipContact *sender;
GossipContact *my_contact;
const gchar *name;
const gchar *body;
GtkTextIter iter;
gchar *tmp;
const gchar *tag;
const gchar *line_tag;
priv = GET_PRIV (view);
gossip_debug (DEBUG_DOMAIN, "Add fancy action");
sender = gossip_message_get_sender (msg);
my_contact = gossip_get_own_contact_from_contact (sender);
name = gossip_contact_get_name (sender);
if (gossip_contact_equal (sender, my_contact)) {
tag = "fancy-action-self";
line_tag = "fancy-line-self";
} else {
tag = "fancy-action-other";
line_tag = "fancy-line-other";
}
tmp = g_strdup_printf (" * %s ", name);
gtk_text_buffer_get_end_iter (priv->buffer, &iter);
gtk_text_buffer_insert_with_tags_by_name (priv->buffer,
&iter,
tmp,
-1,
tag,
NULL);
g_free (tmp);
body = gossip_message_get_body (msg);
chat_view_append_text (view, body, tag);
}
static void
chat_view_append_irc_message (GossipChatView *view,
GossipMessage *msg)
{
GossipChatViewPriv *priv;
GossipContact *sender;
GossipContact *my_contact;
const gchar *name;
const gchar *body;
const gchar *nick_tag;
const gchar *body_tag;
GtkTextIter iter;
gchar *tmp;
priv = GET_PRIV (view);
gossip_debug (DEBUG_DOMAIN, "Add IRC message");
body = gossip_message_get_body (msg);
sender = gossip_message_get_sender (msg);
my_contact = gossip_get_own_contact_from_contact (sender);
name = gossip_contact_get_name (sender);
if (gossip_contact_equal (sender, my_contact)) {
nick_tag = "irc-nick-self";
body_tag = "irc-body-self";
} else {
if (gossip_chat_should_highlight_nick (msg)) {
nick_tag = "irc-nick-highlight";
} else {
nick_tag = "irc-nick-other";
}
body_tag = "irc-body-other";
}
if (priv->last_block_type != BLOCK_TYPE_SELF &&
priv->last_block_type != BLOCK_TYPE_OTHER) {
chat_view_append_spacing (view);
}
gtk_text_buffer_get_end_iter (priv->buffer, &iter);
/* The nickname. */
tmp = g_strdup_printf ("%s: ", name);
gtk_text_buffer_insert_with_tags_by_name (priv->buffer,
&iter,
tmp,
-1,
"cut",
nick_tag,
NULL);
g_free (tmp);
/* The text body. */
chat_view_append_text (view, body, body_tag);
}
static void
chat_view_append_fancy_message (GossipChatView *view,
GossipMessage *msg)
{
GossipChatViewPriv *priv;
GossipContact *sender;
GossipContact *my_contact;
const gchar *body;
const gchar *tag;
priv = GET_PRIV (view);
sender = gossip_message_get_sender (msg);
my_contact = gossip_get_own_contact_from_contact (sender);
if (gossip_contact_equal (sender, my_contact)) {
tag = "fancy-body-self";
} else {
tag = "fancy-body-other";
/* FIXME: Might want to support nick highlighting here... */
}
body = gossip_message_get_body (msg);
chat_view_append_text (view, body, tag);
}
static void
chat_view_theme_changed_cb (GossipThemeManager *manager,
GossipChatView *view)
{
GossipChatViewPriv *priv;
gboolean show_avatars = FALSE;
gboolean theme_rooms = FALSE;
priv = GET_PRIV (view);
priv->last_block_type = BLOCK_TYPE_NONE;
gossip_conf_get_bool (gossip_conf_get (),
GOSSIP_PREFS_CHAT_THEME_CHAT_ROOM,
&theme_rooms);
if (!theme_rooms && priv->is_group_chat) {
gossip_theme_manager_apply (manager, view, NULL);
} else {
gossip_theme_manager_apply_saved (manager, view);
}
/* Needed for now to update the "rise" property of the names to get it
* vertically centered.
*/
gossip_conf_get_bool (gossip_conf_get (),
GOSSIP_PREFS_UI_SHOW_AVATARS,
&show_avatars);
gossip_theme_manager_update_show_avatars (manager, view, show_avatars);
}
GossipChatView *
gossip_chat_view_new (void)
{
return g_object_new (GOSSIP_TYPE_CHAT_VIEW, NULL);
}
/* The name is optional, if NULL, the sender for msg is used. */
void
gossip_chat_view_append_message (GossipChatView *view,
GossipMessage *msg)
{
GossipChatViewPriv *priv;
GossipContact *sender;
const gchar *body;
gboolean scroll_down;
g_return_if_fail (GOSSIP_IS_CHAT_VIEW (view));
g_return_if_fail (GOSSIP_IS_MESSAGE (msg));
priv = GET_PRIV (view);
body = gossip_message_get_body (msg);
if (!body) {
return;
}
scroll_down = chat_view_is_scrolled_down (view);
chat_view_maybe_trim_buffer (view);
chat_view_maybe_append_date_and_time (view, msg);
sender = gossip_message_get_sender (msg);
if (!priv->irc_style) {
chat_view_maybe_append_fancy_header (view, msg);
}
if (gossip_message_get_type (msg) == GOSSIP_MESSAGE_TYPE_ACTION) {
if (priv->irc_style) {
chat_view_append_irc_action (view, msg);
} else {
chat_view_append_fancy_action (view, msg);
}
} else {
if (priv->irc_style) {
chat_view_append_irc_message (view, msg);
} else {
chat_view_append_fancy_message (view, msg);
}
}
priv->last_block_type = BLOCK_TYPE_SELF;
/* Reset the last inserted contact, since it was from self. */
if (priv->last_contact) {
g_object_unref (priv->last_contact);
priv->last_contact = NULL;
}
if (scroll_down) {
gossip_chat_view_scroll_down (view);
}
}
void
gossip_chat_view_append_event (GossipChatView *view,
const gchar *str)
{
GossipChatViewPriv *priv;
gboolean bottom;
GtkTextIter iter;
gchar *msg;
const gchar *tag;
g_return_if_fail (GOSSIP_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);
if (priv->irc_style) {
tag = "irc-event";
msg = g_strdup_printf (" - %s\n", str);
} else {
tag = "fancy-event";
msg = g_strdup_printf (" - %s\n", str);
}
if (priv->last_block_type != BLOCK_TYPE_EVENT) {
/* Comment out for now. */
/*chat_view_append_spacing (view);*/
}
chat_view_maybe_append_date_and_time (view, NULL);
gtk_text_buffer_get_end_iter (priv->buffer, &iter);
gtk_text_buffer_insert_with_tags_by_name (priv->buffer, &iter,
msg, -1,
tag,
NULL);
g_free (msg);
if (bottom) {
gossip_chat_view_scroll_down (view);
}
priv->last_block_type = BLOCK_TYPE_EVENT;
}
void
gossip_chat_view_append_button (GossipChatView *view,
const gchar *message,
GtkWidget *button1,
GtkWidget *button2)
{
GossipChatViewPriv *priv;
GtkTextChildAnchor *anchor;
GtkTextIter iter;
gboolean bottom;
const gchar *tag;
g_return_if_fail (GOSSIP_IS_CHAT_VIEW (view));
g_return_if_fail (button1 != NULL);
priv = GET_PRIV (view);
if (priv->irc_style) {
tag = "irc-invite";
} else {
tag = "fancy-invite";
}
bottom = chat_view_is_scrolled_down (view);
chat_view_maybe_append_date_and_time (view, NULL);
if (message) {
chat_view_append_text (view, message, tag);
}
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) {
gossip_chat_view_scroll_down (view);
}
priv->last_block_type = BLOCK_TYPE_INVITE;
}
void
gossip_chat_view_scroll (GossipChatView *view,
gboolean allow_scrolling)
{
GossipChatViewPriv *priv;
g_return_if_fail (GOSSIP_IS_CHAT_VIEW (view));
priv = GET_PRIV (view);
priv->allow_scrolling = allow_scrolling;
gossip_debug (DEBUG_DOMAIN, "Scrolling %s",
allow_scrolling ? "enabled" : "disabled");
}
void
gossip_chat_view_scroll_down (GossipChatView *view)
{
GossipChatViewPriv *priv;
GtkTextBuffer *buffer;
GtkTextIter iter;
GtkTextMark *mark;
g_return_if_fail (GOSSIP_IS_CHAT_VIEW (view));
priv = GET_PRIV (view);
if (!priv->allow_scrolling) {
return;
}
gossip_debug (DEBUG_DOMAIN, "Scrolling down");
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
gtk_text_buffer_get_end_iter (buffer, &iter);
mark = gtk_text_buffer_create_mark (buffer,
NULL,
&iter,
FALSE);
gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view),
mark,
0.0,
FALSE,
0,
0);
gtk_text_buffer_delete_mark (buffer, mark);
}
gboolean
gossip_chat_view_get_selection_bounds (GossipChatView *view,
GtkTextIter *start,
GtkTextIter *end)
{
GtkTextBuffer *buffer;
g_return_val_if_fail (GOSSIP_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
gossip_chat_view_clear (GossipChatView *view)
{
GtkTextBuffer *buffer;
GossipChatViewPriv *priv;
g_return_if_fail (GOSSIP_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_block_type = BLOCK_TYPE_NONE;
priv->last_timestamp = 0;
}
gboolean
gossip_chat_view_find_previous (GossipChatView *view,
const gchar *search_criteria,
gboolean new_search)
{
GossipChatViewPriv *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 (GOSSIP_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 = gossip_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 = gossip_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
gossip_chat_view_find_next (GossipChatView *view,
const gchar *search_criteria,
gboolean new_search)
{
GossipChatViewPriv *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 (GOSSIP_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 = gossip_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 = gossip_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
gossip_chat_view_find_abilities (GossipChatView *view,
const gchar *search_criteria,
gboolean *can_do_previous,
gboolean *can_do_next)
{
GossipChatViewPriv *priv;
GtkTextBuffer *buffer;
GtkTextIter iter_at_mark;
GtkTextIter iter_match_start;
GtkTextIter iter_match_end;
g_return_if_fail (GOSSIP_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 = gossip_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 = gossip_text_iter_forward_search (&iter_at_mark,
search_criteria,
&iter_match_start,
&iter_match_end,
NULL);
}
}
void
gossip_chat_view_highlight (GossipChatView *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 (GOSSIP_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 = gossip_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
gossip_chat_view_copy_clipboard (GossipChatView *view)
{
GtkTextBuffer *buffer;
GtkClipboard *clipboard;
g_return_if_fail (GOSSIP_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);
}
gboolean
gossip_chat_view_get_irc_style (GossipChatView *view)
{
GossipChatViewPriv *priv;
g_return_val_if_fail (GOSSIP_IS_CHAT_VIEW (view), FALSE);
priv = GET_PRIV (view);
return priv->irc_style;
}
void
gossip_chat_view_set_irc_style (GossipChatView *view,
gboolean irc_style)
{
GossipChatViewPriv *priv;
g_return_if_fail (GOSSIP_IS_CHAT_VIEW (view));
priv = GET_PRIV (view);
priv->irc_style = irc_style;
}
void
gossip_chat_view_set_margin (GossipChatView *view,
gint margin)
{
GossipChatViewPriv *priv;
g_return_if_fail (GOSSIP_IS_CHAT_VIEW (view));
priv = GET_PRIV (view);
g_object_set (view,
"left-margin", margin,
"right-margin", margin,
NULL);
}
GdkPixbuf *
gossip_chat_view_get_smiley_image (GossipSmiley smiley)
{
static GdkPixbuf *pixbufs[GOSSIP_SMILEY_COUNT];
static gboolean inited = FALSE;
if (!inited) {
gint i;
for (i = 0; i < GOSSIP_SMILEY_COUNT; i++) {
pixbufs[i] = gossip_pixbuf_from_smiley (i, GTK_ICON_SIZE_MENU);
}
inited = TRUE;
}
return pixbufs[smiley];
}
const gchar *
gossip_chat_view_get_smiley_text (GossipSmiley smiley)
{
gint i;
for (i = 0; i < G_N_ELEMENTS (smileys); i++) {
if (smileys[i].smiley != smiley) {
continue;
}
return smileys[i].pattern;
}
return NULL;
}
GtkWidget *
gossip_chat_view_get_smiley_menu (GCallback callback,
gpointer user_data,
GtkTooltips *tooltips)
{
GtkWidget *menu;
gint x;
gint y;
gint i;
g_return_val_if_fail (callback != NULL, NULL);
menu = gtk_menu_new ();
for (i = 0, x = 0, y = 0; i < GOSSIP_SMILEY_COUNT; i++) {
GtkWidget *item;
GtkWidget *image;
GdkPixbuf *pixbuf;
const gchar *smiley_text;
pixbuf = gossip_chat_view_get_smiley_image (i);
if (!pixbuf) {
continue;
}
image = gtk_image_new_from_pixbuf (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);
smiley_text = gossip_chat_view_get_smiley_text (i);
gtk_tooltips_set_tip (tooltips,
item,
smiley_text,
NULL);
g_object_set_data (G_OBJECT (item), "smiley_text", (gpointer) smiley_text);
g_signal_connect (item, "activate", callback, user_data);
if (x > 3) {
y++;
x = 0;
} else {
x++;
}
}
gtk_widget_show_all (menu);
return menu;
}
/* FIXME: Do we really need this? Better to do it internally only at setup time,
* we will never change it on the fly.
*/
void
gossip_chat_view_set_is_group_chat (GossipChatView *view,
gboolean is_group_chat)
{
GossipChatViewPriv *priv;
gboolean theme_rooms = FALSE;
g_return_if_fail (GOSSIP_IS_CHAT_VIEW (view));
priv = GET_PRIV (view);
priv->is_group_chat = is_group_chat;
gossip_conf_get_bool (gossip_conf_get (),
GOSSIP_PREFS_CHAT_THEME_CHAT_ROOM,
&theme_rooms);
if (!theme_rooms && is_group_chat) {
gossip_theme_manager_apply (gossip_theme_manager_get (),
view,
NULL);
} else {
gossip_theme_manager_apply_saved (gossip_theme_manager_get (),
view);
}
}
