diff options
Diffstat (limited to 'gnome-2-26/libempathy-gtk/empathy-chat-text-view.c')
| -rw-r--r-- | gnome-2-26/libempathy-gtk/empathy-chat-text-view.c | 1365 |
1 files changed, 0 insertions, 1365 deletions
diff --git a/gnome-2-26/libempathy-gtk/empathy-chat-text-view.c b/gnome-2-26/libempathy-gtk/empathy-chat-text-view.c deleted file mode 100644 index f15d076ff..000000000 --- a/gnome-2-26/libempathy-gtk/empathy-chat-text-view.c +++ /dev/null @@ -1,1365 +0,0 @@ -/* -*- 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., 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> - * 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/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-text-view.h" -#include "empathy-chat.h" -#include "empathy-conf.h" -#include "empathy-ui-utils.h" -#include "empathy-smiley-manager.h" - -#define DEBUG_FLAG EMPATHY_DEBUG_CHAT -#include <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, EmpathyChatTextView) - -typedef struct { - GtkTextBuffer *buffer; - guint scroll_timeout; - GTimer *scroll_time; - GtkTextMark *find_mark_previous; - GtkTextMark *find_mark_next; - gboolean find_wrapped; - gboolean find_last_direction; - EmpathyContact *last_contact; - time_t last_timestamp; - gboolean allow_scrolling; - guint notify_system_fonts_id; - EmpathySmileyManager *smiley_manager; - gboolean only_if_date; -} EmpathyChatTextViewPriv; - -static void chat_text_view_iface_init (EmpathyChatViewIface *iface); - -G_DEFINE_TYPE_WITH_CODE (EmpathyChatTextView, empathy_chat_text_view, - GTK_TYPE_TEXT_VIEW, - G_IMPLEMENT_INTERFACE (EMPATHY_TYPE_CHAT_VIEW, - chat_text_view_iface_init)); - -enum { - PROP_0, - PROP_LAST_CONTACT, - PROP_ONLY_IF_DATE -}; - -static gboolean -chat_text_view_url_event_cb (GtkTextTag *tag, - GObject *object, - GdkEvent *event, - GtkTextIter *iter, - EmpathyChatTextView *view) -{ - EmpathyChatTextViewPriv *priv; - GtkTextIter start, end; - gchar *str; - - priv = GET_PRIV (view); - - /* If the link is being selected, don't do anything. */ - gtk_text_buffer_get_selection_bounds (priv->buffer, &start, &end); - if (gtk_text_iter_get_offset (&start) != gtk_text_iter_get_offset (&end)) { - return FALSE; - } - - if (event->type == GDK_BUTTON_RELEASE && event->button.button == 1) { - start = end = *iter; - - if (gtk_text_iter_backward_to_tag_toggle (&start, tag) && - gtk_text_iter_forward_to_tag_toggle (&end, tag)) { - str = gtk_text_buffer_get_text (priv->buffer, - &start, - &end, - FALSE); - - empathy_url_show (GTK_WIDGET (view), str); - g_free (str); - } - } - - return FALSE; -} - -static gboolean -chat_text_view_event_cb (EmpathyChatTextView *view, - GdkEventMotion *event, - GtkTextTag *tag) -{ - static GdkCursor *hand = NULL; - static GdkCursor *beam = NULL; - GtkTextWindowType type; - GtkTextIter iter; - GdkWindow *win; - gint x, y, buf_x, buf_y; - - type = gtk_text_view_get_window_type (GTK_TEXT_VIEW (view), - event->window); - - if (type != GTK_TEXT_WINDOW_TEXT) { - return FALSE; - } - - /* Get where the pointer really is. */ - win = gtk_text_view_get_window (GTK_TEXT_VIEW (view), type); - if (!win) { - return FALSE; - } - - gdk_window_get_pointer (win, &x, &y, NULL); - - /* Get the iter where the cursor is at */ - gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view), type, - x, y, - &buf_x, &buf_y); - - gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), - &iter, - buf_x, buf_y); - - if (gtk_text_iter_has_tag (&iter, tag)) { - if (!hand) { - hand = gdk_cursor_new (GDK_HAND2); - beam = gdk_cursor_new (GDK_XTERM); - } - gdk_window_set_cursor (win, hand); - } else { - if (!beam) { - beam = gdk_cursor_new (GDK_XTERM); - } - gdk_window_set_cursor (win, beam); - } - - return FALSE; -} - -static void -chat_text_view_create_tags (EmpathyChatTextView *view) -{ - EmpathyChatTextViewPriv *priv = GET_PRIV (view); - GtkTextTag *tag; - - gtk_text_buffer_create_tag (priv->buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_CUT, NULL); - gtk_text_buffer_create_tag (priv->buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_HIGHLIGHT, NULL); - gtk_text_buffer_create_tag (priv->buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_SPACING, NULL); - gtk_text_buffer_create_tag (priv->buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_TIME, NULL); - gtk_text_buffer_create_tag (priv->buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_ACTION, NULL); - gtk_text_buffer_create_tag (priv->buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_BODY, NULL); - gtk_text_buffer_create_tag (priv->buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_EVENT, NULL); - - tag = gtk_text_buffer_create_tag (priv->buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_LINK, NULL); - g_signal_connect (tag, "event", - G_CALLBACK (chat_text_view_url_event_cb), - view); - - g_signal_connect (view, "motion-notify-event", - G_CALLBACK (chat_text_view_event_cb), - tag); -} - -static void -chat_text_view_system_font_update (EmpathyChatTextView *view) -{ - PangoFontDescription *font_description = NULL; - gchar *font_name; - - if (empathy_conf_get_string (empathy_conf_get (), - "/desktop/gnome/interface/document_font_name", - &font_name) && font_name) { - font_description = pango_font_description_from_string (font_name); - g_free (font_name); - } else { - font_description = NULL; - } - - gtk_widget_modify_font (GTK_WIDGET (view), font_description); - - if (font_description) { - pango_font_description_free (font_description); - } -} - -static void -chat_text_view_notify_system_font_cb (EmpathyConf *conf, - const gchar *key, - gpointer user_data) -{ - EmpathyChatTextView *view = user_data; - - chat_text_view_system_font_update (view); -} - -static void -chat_text_view_clear_view_cb (GtkMenuItem *menuitem, EmpathyChatTextView *view) -{ - empathy_chat_view_clear (EMPATHY_CHAT_VIEW (view)); -} - -static void -chat_text_view_open_address_cb (GtkMenuItem *menuitem, const gchar *url) -{ - empathy_url_show (GTK_WIDGET (menuitem), url); -} - -static void -chat_text_view_copy_address_cb (GtkMenuItem *menuitem, const gchar *url) -{ - GtkClipboard *clipboard; - - clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD); - gtk_clipboard_set_text (clipboard, url, -1); - - clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY); - gtk_clipboard_set_text (clipboard, url, -1); -} - -static void -chat_text_view_populate_popup (EmpathyChatTextView *view, - GtkMenu *menu, - gpointer user_data) -{ - EmpathyChatTextViewPriv *priv; - GtkTextTagTable *table; - GtkTextTag *tag; - gint x, y; - GtkTextIter iter, start, end; - GtkWidget *item; - gchar *str = NULL; - - priv = GET_PRIV (view); - - /* Clear menu item */ - if (gtk_text_buffer_get_char_count (priv->buffer) > 0) { - item = gtk_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_text_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, EMPATHY_CHAT_TEXT_VIEW_TAG_LINK); - - gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y); - - gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view), - GTK_TEXT_WINDOW_WIDGET, - x, y, - &x, &y); - - gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), &iter, x, y); - - start = end = iter; - - if (gtk_text_iter_backward_to_tag_toggle (&start, tag) && - gtk_text_iter_forward_to_tag_toggle (&end, tag)) { - str = gtk_text_buffer_get_text (priv->buffer, - &start, &end, FALSE); - } - - if (EMP_STR_EMPTY (str)) { - g_free (str); - return; - } - - /* NOTE: Set data just to get the string freed when not needed. */ - g_object_set_data_full (G_OBJECT (menu), - "url", str, - (GDestroyNotify) g_free); - - item = gtk_menu_item_new (); - gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item); - gtk_widget_show (item); - - item = gtk_menu_item_new_with_mnemonic (_("_Copy Link Address")); - g_signal_connect (item, - "activate", - G_CALLBACK (chat_text_view_copy_address_cb), - str); - gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item); - gtk_widget_show (item); - - item = gtk_menu_item_new_with_mnemonic (_("_Open Link")); - g_signal_connect (item, - "activate", - G_CALLBACK (chat_text_view_open_address_cb), - str); - gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item); - gtk_widget_show (item); -} - -static gboolean -chat_text_view_is_scrolled_down (EmpathyChatTextView *view) -{ - GtkWidget *sw; - - sw = gtk_widget_get_parent (GTK_WIDGET (view)); - if (GTK_IS_SCROLLED_WINDOW (sw)) { - GtkAdjustment *vadj; - - 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_text_view_maybe_trim_buffer (EmpathyChatTextView *view) -{ - EmpathyChatTextViewPriv *priv; - GtkTextIter top, bottom; - gint line; - gint remove; - GtkTextTagTable *table; - GtkTextTag *tag; - - priv = GET_PRIV (view); - - gtk_text_buffer_get_end_iter (priv->buffer, &bottom); - line = gtk_text_iter_get_line (&bottom); - if (line < MAX_LINES) { - return; - } - - remove = line - MAX_LINES; - gtk_text_buffer_get_start_iter (priv->buffer, &top); - - bottom = top; - if (!gtk_text_iter_forward_lines (&bottom, remove)) { - return; - } - - /* Track backwords to a place where we can safely cut, we don't do it in - * the middle of a tag. - */ - table = gtk_text_buffer_get_tag_table (priv->buffer); - tag = gtk_text_tag_table_lookup (table, EMPATHY_CHAT_TEXT_VIEW_TAG_CUT); - if (!tag) { - return; - } - - if (!gtk_text_iter_forward_to_tag_toggle (&bottom, tag)) { - return; - } - - if (!gtk_text_iter_equal (&top, &bottom)) { - gtk_text_buffer_delete (priv->buffer, &top, &bottom); - } -} - -static void -chat_text_view_append_timestamp (EmpathyChatTextView *view, - time_t timestamp, - gboolean show_date) -{ - EmpathyChatTextViewPriv *priv = GET_PRIV (view); - GtkTextIter iter; - gchar *tmp; - GString *str; - - str = g_string_new ("- "); - - /* Append date if needed */ - if (show_date) { - GDate *date; - gchar buf[256]; - - date = g_date_new (); - g_date_set_time_t (date, timestamp); - /* Translators: timestamp displayed between conversations in - * chat windows (strftime format string) */ - g_date_strftime (buf, 256, _("%A %B %d %Y"), date); - g_string_append (str, buf); - g_string_append (str, ", "); - g_date_free (date); - } - - /* Append time */ - tmp = empathy_time_to_string_local (timestamp, EMPATHY_TIME_FORMAT_DISPLAY_SHORT); - g_string_append (str, tmp); - g_free (tmp); - - g_string_append (str, " -\n"); - - /* Insert the string in the buffer */ - empathy_chat_text_view_append_spacing (view); - gtk_text_buffer_get_end_iter (priv->buffer, &iter); - gtk_text_buffer_insert_with_tags_by_name (priv->buffer, - &iter, - str->str, -1, - EMPATHY_CHAT_TEXT_VIEW_TAG_TIME, - NULL); - - priv->last_timestamp = timestamp; - - g_string_free (str, TRUE); -} - -static void -chat_text_maybe_append_date_and_time (EmpathyChatTextView *view, - time_t timestamp) -{ - EmpathyChatTextViewPriv *priv = GET_PRIV (view); - GDate *date, *last_date; - gboolean append_date = FALSE; - gboolean append_time = FALSE; - - /* Get the date from last message */ - last_date = g_date_new (); - g_date_set_time_t (last_date, priv->last_timestamp); - - /* Get the date of the message we are appending */ - date = g_date_new (); - g_date_set_time_t (date, timestamp); - - /* If last message was from another day we append date and time */ - if (g_date_compare (date, last_date) > 0) { - append_date = TRUE; - append_time = TRUE; - } - - g_date_free (last_date); - g_date_free (date); - - /* If last message is 'old' append the time */ - if (timestamp - priv->last_timestamp >= TIMESTAMP_INTERVAL) { - append_time = TRUE; - } - - if (append_date || (!priv->only_if_date && append_time)) { - chat_text_view_append_timestamp (view, timestamp, append_date); - } -} - -static void -chat_text_view_size_allocate (GtkWidget *widget, - GtkAllocation *alloc) -{ - gboolean down; - - down = chat_text_view_is_scrolled_down (EMPATHY_CHAT_TEXT_VIEW (widget)); - - GTK_WIDGET_CLASS (empathy_chat_text_view_parent_class)->size_allocate (widget, alloc); - - if (down) { - GtkAdjustment *adj; - - adj = GTK_TEXT_VIEW (widget)->vadjustment; - gtk_adjustment_set_value (adj, adj->upper - adj->page_size); - } -} - -static gboolean -chat_text_view_drag_motion (GtkWidget *widget, - GdkDragContext *context, - gint x, - gint y, - guint time) -{ - /* Don't handle drag motion, since we don't want the view to scroll as - * the result of dragging something across it. */ - - return FALSE; -} - -static void -chat_text_view_get_property (GObject *object, - guint param_id, - GValue *value, - GParamSpec *pspec) -{ - EmpathyChatTextViewPriv *priv = GET_PRIV (object); - - switch (param_id) { - case PROP_LAST_CONTACT: - g_value_set_object (value, priv->last_contact); - break; - case PROP_ONLY_IF_DATE: - g_value_set_boolean (value, priv->only_if_date); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); - break; - }; -} - -static void -chat_text_view_set_property (GObject *object, - guint param_id, - const GValue *value, - GParamSpec *pspec) -{ - EmpathyChatTextViewPriv *priv = GET_PRIV (object); - - switch (param_id) { - case PROP_ONLY_IF_DATE: - priv->only_if_date = g_value_get_boolean (value); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); - break; - }; -} - -static void -chat_text_view_finalize (GObject *object) -{ - EmpathyChatTextView *view; - EmpathyChatTextViewPriv *priv; - - view = EMPATHY_CHAT_TEXT_VIEW (object); - priv = GET_PRIV (view); - - DEBUG ("%p", object); - - empathy_conf_notify_remove (empathy_conf_get (), priv->notify_system_fonts_id); - - if (priv->last_contact) { - g_object_unref (priv->last_contact); - } - if (priv->scroll_time) { - g_timer_destroy (priv->scroll_time); - } - if (priv->scroll_timeout) { - g_source_remove (priv->scroll_timeout); - } - - G_OBJECT_CLASS (empathy_chat_text_view_parent_class)->finalize (object); -} - -static void -empathy_chat_text_view_class_init (EmpathyChatTextViewClass *klass) -{ - GObjectClass *object_class = G_OBJECT_CLASS (klass); - GtkWidgetClass *widget_class = GTK_WIDGET_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; - - g_object_class_install_property (object_class, - PROP_LAST_CONTACT, - g_param_spec_object ("last-contact", - "Last contact", - "The sender of the last received message", - EMPATHY_TYPE_CONTACT, - G_PARAM_READABLE)); - g_object_class_install_property (object_class, - PROP_ONLY_IF_DATE, - g_param_spec_boolean ("only-if-date", - "Only if date", - "Display timestamp only if the date changes", - FALSE, - G_PARAM_READWRITE)); - - - g_type_class_add_private (object_class, sizeof (EmpathyChatTextViewPriv)); -} - -static void -empathy_chat_text_view_init (EmpathyChatTextView *view) -{ - EmpathyChatTextViewPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (view, - EMPATHY_TYPE_CHAT_TEXT_VIEW, EmpathyChatTextViewPriv); - - view->priv = priv; - priv->buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)); - priv->last_timestamp = 0; - priv->allow_scrolling = TRUE; - priv->smiley_manager = empathy_smiley_manager_dup_singleton (); - - g_object_set (view, - "wrap-mode", GTK_WRAP_WORD_CHAR, - "editable", FALSE, - "cursor-visible", FALSE, - NULL); - - priv->notify_system_fonts_id = - empathy_conf_notify_add (empathy_conf_get (), - "/desktop/gnome/interface/document_font_name", - chat_text_view_notify_system_font_cb, - view); - chat_text_view_system_font_update (view); - chat_text_view_create_tags (view); - - g_signal_connect (view, - "populate-popup", - G_CALLBACK (chat_text_view_populate_popup), - NULL); -} - -/* Code stolen from pidgin/gtkimhtml.c */ -static gboolean -chat_text_view_scroll_cb (EmpathyChatTextView *view) -{ - EmpathyChatTextViewPriv *priv; - GtkAdjustment *adj; - gdouble max_val; - - priv = GET_PRIV (view); - adj = GTK_TEXT_VIEW (view)->vadjustment; - max_val = 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; -} - -static void -chat_text_view_scroll_down (EmpathyChatView *view) -{ - EmpathyChatTextViewPriv *priv = GET_PRIV (view); - - g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view)); - - if (!priv->allow_scrolling) { - return; - } - - DEBUG ("Scrolling down"); - - if (priv->scroll_time) { - g_timer_reset (priv->scroll_time); - } else { - priv->scroll_time = g_timer_new(); - } - if (!priv->scroll_timeout) { - priv->scroll_timeout = g_timeout_add (SCROLL_DELAY, - (GSourceFunc) chat_text_view_scroll_cb, - view); - } -} - -static void -chat_text_view_append_message (EmpathyChatView *view, - EmpathyMessage *msg) -{ - EmpathyChatTextView *text_view = EMPATHY_CHAT_TEXT_VIEW (view); - EmpathyChatTextViewPriv *priv = GET_PRIV (text_view); - gboolean bottom; - time_t timestamp; - - g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view)); - g_return_if_fail (EMPATHY_IS_MESSAGE (msg)); - - if (!empathy_message_get_body (msg)) { - return; - } - - bottom = chat_text_view_is_scrolled_down (text_view); - - chat_text_view_maybe_trim_buffer (EMPATHY_CHAT_TEXT_VIEW (view)); - - timestamp = empathy_message_get_timestamp (msg); - chat_text_maybe_append_date_and_time (text_view, timestamp); - if (EMPATHY_CHAT_TEXT_VIEW_GET_CLASS (view)->append_message) { - EMPATHY_CHAT_TEXT_VIEW_GET_CLASS (view)->append_message (text_view, - msg); - } - - if (bottom) { - chat_text_view_scroll_down (view); - } - - if (priv->last_contact) { - g_object_unref (priv->last_contact); - } - priv->last_contact = g_object_ref (empathy_message_get_sender (msg)); - g_object_notify (G_OBJECT (view), "last-contact"); -} - -static void -chat_text_view_append_event (EmpathyChatView *view, - const gchar *str) -{ - EmpathyChatTextView *text_view = EMPATHY_CHAT_TEXT_VIEW (view); - EmpathyChatTextViewPriv *priv = GET_PRIV (text_view); - gboolean bottom; - GtkTextIter iter; - gchar *msg; - - - g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view)); - g_return_if_fail (!EMP_STR_EMPTY (str)); - - bottom = chat_text_view_is_scrolled_down (text_view); - chat_text_view_maybe_trim_buffer (EMPATHY_CHAT_TEXT_VIEW (view)); - chat_text_maybe_append_date_and_time (text_view, - empathy_time_get_current ()); - - gtk_text_buffer_get_end_iter (priv->buffer, &iter); - msg = g_strdup_printf (" - %s\n", str); - gtk_text_buffer_insert_with_tags_by_name (priv->buffer, &iter, - msg, -1, - EMPATHY_CHAT_TEXT_VIEW_TAG_EVENT, - NULL); - g_free (msg); - - if (bottom) { - chat_text_view_scroll_down (view); - } - - if (priv->last_contact) { - g_object_unref (priv->last_contact); - priv->last_contact = NULL; - g_object_notify (G_OBJECT (view), "last-contact"); - } -} - -static void -chat_text_view_scroll (EmpathyChatView *view, - gboolean allow_scrolling) -{ - EmpathyChatTextViewPriv *priv = GET_PRIV (view); - - g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view)); - - DEBUG ("Scrolling %s", allow_scrolling ? "enabled" : "disabled"); - - priv->allow_scrolling = allow_scrolling; - if (allow_scrolling) { - empathy_chat_view_scroll_down (view); - } -} - -static gboolean -chat_text_view_get_has_selection (EmpathyChatView *view) -{ - GtkTextBuffer *buffer; - - g_return_val_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view), FALSE); - - buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)); - - return gtk_text_buffer_get_has_selection (buffer); -} - -static void -chat_text_view_clear (EmpathyChatView *view) -{ - GtkTextBuffer *buffer; - EmpathyChatTextViewPriv *priv; - - g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view)); - - buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)); - gtk_text_buffer_set_text (buffer, "", -1); - - /* We set these back to the initial values so we get - * timestamps when clearing the window to know when - * conversations start. - */ - priv = GET_PRIV (view); - - priv->last_timestamp = 0; -} - -static gboolean -chat_text_view_find_previous (EmpathyChatView *view, - const gchar *search_criteria, - gboolean new_search) -{ - 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 (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 = chat_text_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; -} - -static gboolean -chat_text_view_find_next (EmpathyChatView *view, - const gchar *search_criteria, - gboolean new_search) -{ - 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 (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 = chat_text_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; -} - -static void -chat_text_view_find_abilities (EmpathyChatView *view, - const gchar *search_criteria, - gboolean *can_do_previous, - gboolean *can_do_next) -{ - EmpathyChatTextViewPriv *priv; - GtkTextBuffer *buffer; - GtkTextIter iter_at_mark; - GtkTextIter iter_match_start; - GtkTextIter iter_match_end; - - g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view)); - g_return_if_fail (search_criteria != NULL); - g_return_if_fail (can_do_previous != NULL && can_do_next != NULL); - - priv = GET_PRIV (view); - - buffer = priv->buffer; - - if (can_do_previous) { - if (priv->find_mark_previous) { - gtk_text_buffer_get_iter_at_mark (buffer, - &iter_at_mark, - priv->find_mark_previous); - } else { - gtk_text_buffer_get_start_iter (buffer, &iter_at_mark); - } - - *can_do_previous = empathy_text_iter_backward_search (&iter_at_mark, - search_criteria, - &iter_match_start, - &iter_match_end, - NULL); - } - - if (can_do_next) { - if (priv->find_mark_next) { - gtk_text_buffer_get_iter_at_mark (buffer, - &iter_at_mark, - priv->find_mark_next); - } else { - gtk_text_buffer_get_start_iter (buffer, &iter_at_mark); - } - - *can_do_next = empathy_text_iter_forward_search (&iter_at_mark, - search_criteria, - &iter_match_start, - &iter_match_end, - NULL); - } -} - -static void -chat_text_view_highlight (EmpathyChatView *view, - const gchar *text) -{ - GtkTextBuffer *buffer; - GtkTextIter iter; - GtkTextIter iter_start; - GtkTextIter iter_end; - GtkTextIter iter_match_start; - GtkTextIter iter_match_end; - gboolean found; - - g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view)); - - buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)); - - gtk_text_buffer_get_start_iter (buffer, &iter); - - gtk_text_buffer_get_bounds (buffer, &iter_start, &iter_end); - gtk_text_buffer_remove_tag_by_name (buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_HIGHLIGHT, - &iter_start, - &iter_end); - - if (EMP_STR_EMPTY (text)) { - return; - } - - while (1) { - found = empathy_text_iter_forward_search (&iter, - text, - &iter_match_start, - &iter_match_end, - NULL); - - if (!found) { - break; - } - - gtk_text_buffer_apply_tag_by_name (buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_HIGHLIGHT, - &iter_match_start, - &iter_match_end); - - iter = iter_match_end; - gtk_text_iter_forward_char (&iter); - } -} - -static void -chat_text_view_copy_clipboard (EmpathyChatView *view) -{ - GtkTextBuffer *buffer; - GtkClipboard *clipboard; - - 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); - - gtk_text_buffer_copy_clipboard (buffer, clipboard); -} - -static void -chat_text_view_iface_init (EmpathyChatViewIface *iface) -{ - iface->append_message = chat_text_view_append_message; - iface->append_event = chat_text_view_append_event; - iface->scroll = chat_text_view_scroll; - iface->scroll_down = chat_text_view_scroll_down; - iface->get_has_selection = chat_text_view_get_has_selection; - iface->clear = chat_text_view_clear; - iface->find_previous = chat_text_view_find_previous; - iface->find_next = chat_text_view_find_next; - iface->find_abilities = chat_text_view_find_abilities; - iface->highlight = chat_text_view_highlight; - iface->copy_clipboard = chat_text_view_copy_clipboard; -} - -EmpathyContact * -empathy_chat_text_view_get_last_contact (EmpathyChatTextView *view) -{ - EmpathyChatTextViewPriv *priv = GET_PRIV (view); - - g_return_val_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view), NULL); - - return priv->last_contact; -} - -void -empathy_chat_text_view_set_only_if_date (EmpathyChatTextView *view, - gboolean only_if_date) -{ - EmpathyChatTextViewPriv *priv = GET_PRIV (view); - - g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view)); - - if (only_if_date != priv->only_if_date) { - priv->only_if_date = only_if_date; - g_object_notify (G_OBJECT (view), "only-if-date"); - } -} - -static void -chat_text_view_insert_text_with_emoticons (EmpathyChatTextView *view, - GtkTextIter *iter, - const gchar *str) -{ - EmpathyChatTextViewPriv *priv = GET_PRIV (view); - gboolean use_smileys = FALSE; - GSList *smileys, *l; - - empathy_conf_get_bool (empathy_conf_get (), - EMPATHY_PREFS_CHAT_SHOW_SMILEYS, - &use_smileys); - - if (!use_smileys) { - gtk_text_buffer_insert (priv->buffer, iter, str, -1); - return; - } - - smileys = empathy_smiley_manager_parse (priv->smiley_manager, str); - for (l = smileys; l; l = l->next) { - EmpathySmiley *smiley; - - smiley = l->data; - if (smiley->pixbuf) { - gtk_text_buffer_insert_pixbuf (priv->buffer, iter, smiley->pixbuf); - } else { - gtk_text_buffer_insert (priv->buffer, iter, smiley->str, -1); - } - empathy_smiley_free (smiley); - } - g_slist_free (smileys); -} - -void -empathy_chat_text_view_append_body (EmpathyChatTextView *view, - const gchar *body, - const gchar *tag) -{ - EmpathyChatTextViewPriv *priv = GET_PRIV (view); - GtkTextIter start_iter, end_iter; - GtkTextMark *mark; - GtkTextIter iter; - GRegex *uri_regex; - GMatchInfo *match_info; - gboolean match; - gint last = 0; - gint s = 0, e = 0; - gchar *tmp; - - priv = GET_PRIV (view); - - gtk_text_buffer_get_end_iter (priv->buffer, &start_iter); - mark = gtk_text_buffer_create_mark (priv->buffer, NULL, &start_iter, TRUE); - - uri_regex = empathy_uri_regex_dup_singleton (); - for (match = g_regex_match (uri_regex, body, 0, &match_info); match; - match = g_match_info_next (match_info, NULL)) { - if (!g_match_info_fetch_pos (match_info, 0, &s, &e)) - continue; - - if (s > last) { - tmp = empathy_substring (body, last, s); - - gtk_text_buffer_get_end_iter (priv->buffer, &iter); - chat_text_view_insert_text_with_emoticons (view, - &iter, - tmp); - g_free (tmp); - } - - tmp = empathy_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, - EMPATHY_CHAT_TEXT_VIEW_TAG_LINK, - NULL); - - g_free (tmp); - last = e; - } - g_match_info_free (match_info); - g_regex_unref (uri_regex); - - if (last < strlen (body)) { - gtk_text_buffer_get_end_iter (priv->buffer, &iter); - chat_text_view_insert_text_with_emoticons (view, - &iter, - body + last); - } - - 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); -} - -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; -} - |