diff options
Diffstat (limited to 'libgnomecanvas/gnome-canvas-rich-text.c')
| -rw-r--r-- | libgnomecanvas/gnome-canvas-rich-text.c | 206 |
1 files changed, 102 insertions, 104 deletions
diff --git a/libgnomecanvas/gnome-canvas-rich-text.c b/libgnomecanvas/gnome-canvas-rich-text.c index 28bb2c50b6..b8fbae962d 100644 --- a/libgnomecanvas/gnome-canvas-rich-text.c +++ b/libgnomecanvas/gnome-canvas-rich-text.c @@ -38,14 +38,14 @@ struct _GnomeCanvasRichTextPrivate { GtkTextLayout *layout; GtkTextBuffer *buffer; - char *text; + gchar *text; /* Position at anchor */ - double x, y; + gdouble x, y; /* Dimensions */ - double width, height; + gdouble width, height; /* Top-left canvas coordinates for text */ - int cx, cy; + gint cx, cy; gboolean cursor_visible; gboolean cursor_blink; @@ -56,12 +56,12 @@ struct _GnomeCanvasRichTextPrivate { GtkJustification justification; GtkTextDirection direction; GtkAnchorType anchor; - int pixels_above_lines; - int pixels_below_lines; - int pixels_inside_wrap; - int left_margin; - int right_margin; - int indent; + gint pixels_above_lines; + gint pixels_below_lines; + gint pixels_inside_wrap; + gint left_margin; + gint right_margin; + gint indent; guint preblink_timeout; guint blink_timeout; @@ -73,7 +73,7 @@ struct _GnomeCanvasRichTextPrivate { gboolean just_selected_element; - int clicks; + gint clicks; guint click_timeout; }; @@ -115,35 +115,35 @@ static void gnome_canvas_rich_text_set_property(GObject *object, guint property_ const GValue *value, GParamSpec *pspec); static void gnome_canvas_rich_text_get_property(GObject *object, guint property_id, GValue *value, GParamSpec *pspec); -static void gnome_canvas_rich_text_update(GnomeCanvasItem *item, double *affine, - ArtSVP *clip_path, int flags); +static void gnome_canvas_rich_text_update(GnomeCanvasItem *item, gdouble *affine, + ArtSVP *clip_path, gint flags); static void gnome_canvas_rich_text_realize(GnomeCanvasItem *item); static void gnome_canvas_rich_text_unrealize(GnomeCanvasItem *item); -static double gnome_canvas_rich_text_point(GnomeCanvasItem *item, - double x, double y, - int cx, int cy, +static gdouble gnome_canvas_rich_text_point(GnomeCanvasItem *item, + gdouble x, gdouble y, + gint cx, gint cy, GnomeCanvasItem **actual_item); -static void gnome_canvas_rich_text_draw(GnomeCanvasItem *item, +static void gnome_canvas_rich_text_draw(GnomeCanvasItem *item, GdkDrawable *drawable, - int x, int y, int width, int height); + gint x, gint y, gint width, gint height); static void gnome_canvas_rich_text_render(GnomeCanvasItem *item, GnomeCanvasBuf *buf); -static gint gnome_canvas_rich_text_event(GnomeCanvasItem *item, +static gint gnome_canvas_rich_text_event(GnomeCanvasItem *item, GdkEvent *event); -static void gnome_canvas_rich_text_get_bounds(GnomeCanvasItem *text, double *px1, double *py1, - double *px2, double *py2); +static void gnome_canvas_rich_text_get_bounds(GnomeCanvasItem *text, + gdouble *px1, gdouble *py1, + gdouble *px2, gdouble *py2); static void gnome_canvas_rich_text_ensure_layout(GnomeCanvasRichText *text); static void gnome_canvas_rich_text_destroy_layout(GnomeCanvasRichText *text); -static void gnome_canvas_rich_text_start_cursor_blink(GnomeCanvasRichText *text, gboolean delay); +static void gnome_canvas_rich_text_start_cursor_blink(GnomeCanvasRichText *text, + gboolean delay); static void gnome_canvas_rich_text_stop_cursor_blink(GnomeCanvasRichText *text); static void gnome_canvas_rich_text_move_cursor(GnomeCanvasRichText *text, GtkMovementStep step, gint count, gboolean extend_selection); - - static GtkTextBuffer *get_buffer(GnomeCanvasRichText *text); static gint blink_cb(gpointer data); @@ -170,8 +170,9 @@ gnome_canvas_rich_text_get_type(void) NULL /* value_table */ }; - rich_text_type = g_type_register_static (GNOME_TYPE_CANVAS_ITEM, "GnomeCanvasRichText", - &object_info, 0); + rich_text_type = g_type_register_static ( + GNOME_TYPE_CANVAS_ITEM, "GnomeCanvasRichText", + &object_info, 0); } return rich_text_type; @@ -197,7 +198,7 @@ gnome_canvas_rich_text_class_init(GnomeCanvasRichTextClass *klass) GObjectClass *gobject_class = G_OBJECT_CLASS(klass); GtkObjectClass *object_class = GTK_OBJECT_CLASS(klass); GnomeCanvasItemClass *item_class = GNOME_CANVAS_ITEM_CLASS(klass); - + parent_class = g_type_class_peek_parent (klass); gobject_class->set_property = gnome_canvas_rich_text_set_property; @@ -417,7 +418,7 @@ gnome_canvas_rich_text_init(GnomeCanvasRichText *text) text->_priv->justification = GTK_JUSTIFY_LEFT; text->_priv->direction = gtk_widget_get_default_direction(); text->_priv->anchor = GTK_ANCHOR_NW; - + text->_priv->blink_timeout = 0; text->_priv->preblink_timeout = 0; @@ -506,7 +507,7 @@ gnome_canvas_rich_text_set_property (GObject *object, guint property_id, text->_priv->wrap_mode = g_value_get_enum (value); if (text->_priv->layout) { - text->_priv->layout->default_style->wrap_mode = + text->_priv->layout->default_style->wrap_mode = text->_priv->wrap_mode; gtk_text_layout_default_style_changed(text->_priv->layout); } @@ -534,7 +535,7 @@ gnome_canvas_rich_text_set_property (GObject *object, guint property_id, break; case PROP_PIXELS_ABOVE_LINES: text->_priv->pixels_above_lines = g_value_get_int (value); - + if (text->_priv->layout) { text->_priv->layout->default_style->pixels_above_lines = text->_priv->pixels_above_lines; @@ -543,7 +544,7 @@ gnome_canvas_rich_text_set_property (GObject *object, guint property_id, break; case PROP_PIXELS_BELOW_LINES: text->_priv->pixels_below_lines = g_value_get_int (value); - + if (text->_priv->layout) { text->_priv->layout->default_style->pixels_below_lines = text->_priv->pixels_below_lines; @@ -552,7 +553,7 @@ gnome_canvas_rich_text_set_property (GObject *object, guint property_id, break; case PROP_PIXELS_INSIDE_WRAP: text->_priv->pixels_inside_wrap = g_value_get_int (value); - + if (text->_priv->layout) { text->_priv->layout->default_style->pixels_inside_wrap = text->_priv->pixels_inside_wrap; @@ -561,7 +562,7 @@ gnome_canvas_rich_text_set_property (GObject *object, guint property_id, break; case PROP_LEFT_MARGIN: text->_priv->left_margin = g_value_get_int (value); - + if (text->_priv->layout) { text->_priv->layout->default_style->left_margin = text->_priv->left_margin; @@ -570,7 +571,7 @@ gnome_canvas_rich_text_set_property (GObject *object, guint property_id, break; case PROP_RIGHT_MARGIN: text->_priv->right_margin = g_value_get_int (value); - + if (text->_priv->layout) { text->_priv->layout->default_style->right_margin = text->_priv->right_margin; @@ -579,13 +580,13 @@ gnome_canvas_rich_text_set_property (GObject *object, guint property_id, break; case PROP_INDENT: text->_priv->pixels_above_lines = g_value_get_int (value); - + if (text->_priv->layout) { text->_priv->layout->default_style->indent = text->_priv->indent; gtk_text_layout_default_style_changed(text->_priv->layout); } break; - + default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); break; @@ -724,7 +725,7 @@ gnome_canvas_rich_text_move_cursor(GnomeCanvasRichText *text, GtkTextIter insert, newplace; gtk_text_buffer_get_iter_at_mark( - get_buffer(text), &insert, + get_buffer(text), &insert, gtk_text_buffer_get_mark(get_buffer(text), "insert")); newplace = insert; @@ -747,7 +748,7 @@ gnome_canvas_rich_text_move_cursor(GnomeCanvasRichText *text, gnome_canvas_rich_text_move_iter_by_lines( text, &newplace, count); gtk_text_layout_move_iter_to_x( - text->_priv->layout, &newplace, + text->_priv->layout, &newplace, gnome_canvas_rich_text_get_cursor_x_position(text)); break; case GTK_MOVEMENT_DISPLAY_LINE_ENDS: @@ -759,7 +760,7 @@ gnome_canvas_rich_text_move_cursor(GnomeCanvasRichText *text, gnome_canvas_rich_text_move_iter_by_lines( text, &newplace, ++count); } - + if (count != 0) { gtk_text_layout_move_iter_to_line_end( text->_priv->layout, &newplace, count); @@ -842,7 +843,7 @@ gnome_canvas_rich_text_delete_from_cursor(GnomeCanvasRichText *text, /* Special case: If the user wants to delete a character and there is a selection, then delete the selection and return */ if (type == GTK_DELETE_CHARS) { - if (gtk_text_buffer_delete_selection(get_buffer(text), TRUE, + if (gtk_text_buffer_delete_selection(get_buffer(text), TRUE, text->_priv->editable)) return; } @@ -915,15 +916,15 @@ selection_motion_event_handler(GnomeCanvasRichText *text, GdkEvent *event, { GtkTextIter newplace; GtkTextMark *mark; - double newx, newy; + gdouble newx, newy; /* We only want to handle motion events... */ if (event->type != GDK_MOTION_NOTIFY) return FALSE; - newx = (event->motion.x - text->_priv->x) * + newx = (event->motion.x - text->_priv->x) * GNOME_CANVAS_ITEM(text)->canvas->pixels_per_unit; - newy = (event->motion.y - text->_priv->y) * + newy = (event->motion.y - text->_priv->y) * GNOME_CANVAS_ITEM(text)->canvas->pixels_per_unit; gtk_text_layout_get_iter_at_pixel(text->_priv->layout, &newplace, newx, newy); @@ -979,9 +980,9 @@ gnome_canvas_rich_text_emit_tag_changed(GnomeCanvasRichText *text, { g_signal_emit(G_OBJECT(text), signals[TAG_CHANGED], 0, tag); } /* gnome_canvas_rich_text_emit_tag_changed */ - + static gint -gnome_canvas_rich_text_key_press_event(GnomeCanvasItem *item, +gnome_canvas_rich_text_key_press_event(GnomeCanvasItem *item, GdkEventKey *event) { GnomeCanvasRichText *text = GNOME_CANVAS_RICH_TEXT(item); @@ -1018,7 +1019,7 @@ gnome_canvas_rich_text_key_press_event(GnomeCanvasItem *item, case GDK_Right: if (event->state & GDK_CONTROL_MASK) { gnome_canvas_rich_text_move_cursor( - text, GTK_MOVEMENT_WORDS, 1, + text, GTK_MOVEMENT_WORDS, 1, extend_selection); handled = TRUE; } @@ -1211,12 +1212,12 @@ gnome_canvas_rich_text_key_press_event(GnomeCanvasItem *item, } gnome_canvas_rich_text_start_cursor_blink(text, TRUE); - + return TRUE; } /* gnome_canvas_rich_text_key_press_event */ static gint -gnome_canvas_rich_text_key_release_event(GnomeCanvasItem *item, +gnome_canvas_rich_text_key_release_event(GnomeCanvasItem *item, GdkEventKey *event) { return FALSE; @@ -1240,11 +1241,11 @@ gnome_canvas_rich_text_button_press_event(GnomeCanvasItem *item, GnomeCanvasRichText *text = GNOME_CANVAS_RICH_TEXT(item); GtkTextIter iter; GdkEventType event_type; - double newx, newy; + gdouble newx, newy; newx = (event->x - text->_priv->x) * item->canvas->pixels_per_unit; newy = (event->y - text->_priv->y) * item->canvas->pixels_per_unit; - + gtk_text_layout_get_iter_at_pixel(text->_priv->layout, &iter, newx, newy); /* The canvas doesn't give us double- or triple-click events, so @@ -1289,7 +1290,7 @@ gnome_canvas_rich_text_button_press_event(GnomeCanvasItem *item, #if 0 printf("double-click\n"); #endif - + gnome_canvas_rich_text_end_selection_drag(text, event); start = iter; @@ -1298,7 +1299,7 @@ gnome_canvas_rich_text_button_press_event(GnomeCanvasItem *item, if (gtk_text_iter_inside_word(&start)) { if (!gtk_text_iter_starts_word(&start)) gtk_text_iter_backward_word_start(&start); - + if (!gtk_text_iter_ends_word(&end)) gtk_text_iter_forward_word_end(&end); } @@ -1360,7 +1361,7 @@ gnome_canvas_rich_text_button_press_event(GnomeCanvasItem *item, gtk_clipboard_get (GDK_SELECTION_PRIMARY), &iter, text->_priv->editable); } - + return FALSE; } /* gnome_canvas_rich_text_button_press_event */ @@ -1369,11 +1370,11 @@ gnome_canvas_rich_text_button_release_event(GnomeCanvasItem *item, GdkEventButton *event) { GnomeCanvasRichText *text = GNOME_CANVAS_RICH_TEXT(item); - double newx, newy; + gdouble newx, newy; newx = (event->x - text->_priv->x) * item->canvas->pixels_per_unit; newy = (event->y - text->_priv->y) * item->canvas->pixels_per_unit; - + if (event->button == 1) { if (text->_priv->drag_start_x >= 0) { text->_priv->drag_start_x = -1; @@ -1433,7 +1434,7 @@ static gboolean get_event_coordinates(GdkEvent *event, gint *x, gint *y) { g_return_val_if_fail(event, FALSE); - + switch (event->type) { case GDK_MOTION_NOTIFY: *x = event->motion.x; @@ -1453,12 +1454,12 @@ get_event_coordinates(GdkEvent *event, gint *x, gint *y) } /* get_event_coordinates */ static void -emit_event_on_tags(GnomeCanvasRichText *text, GdkEvent *event, +emit_event_on_tags(GnomeCanvasRichText *text, GdkEvent *event, GtkTextIter *iter) { GSList *tags; GSList *i; - + tags = gtk_text_iter_get_tags(iter); i = tags; @@ -1469,7 +1470,7 @@ emit_event_on_tags(GnomeCanvasRichText *text, GdkEvent *event, /* The cursor has been moved to within this tag. Emit the tag_changed signal */ - if (event->type == GDK_BUTTON_RELEASE || + if (event->type == GDK_BUTTON_RELEASE || event->type == GDK_KEY_PRESS || event->type == GDK_KEY_RELEASE) { gnome_canvas_rich_text_emit_tag_changed( @@ -1486,7 +1487,7 @@ static gint gnome_canvas_rich_text_event(GnomeCanvasItem *item, GdkEvent *event) { GnomeCanvasRichText *text = GNOME_CANVAS_RICH_TEXT(item); - int x, y; + gint x, y; if (get_event_coordinates(event, &x, &y)) { GtkTextIter iter; @@ -1549,7 +1550,7 @@ gnome_canvas_rich_text_event(GnomeCanvasItem *item, GdkEvent *event) /** * gnome_canvas_rich_text_cut_clipboard: * @text: a #GnomeCanvasRichText. - * + * * Copies the currently selected @text to clipboard, then deletes said text * if it's editable. **/ @@ -1564,7 +1565,6 @@ gnome_canvas_rich_text_cut_clipboard(GnomeCanvasRichText *text) text->_priv->editable); } /* gnome_canvas_rich_text_cut_clipboard */ - /** * gnome_canvas_rich_text_copy_clipboard: * @text: a #GnomeCanvasRichText. @@ -1581,7 +1581,6 @@ gnome_canvas_rich_text_copy_clipboard(GnomeCanvasRichText *text) gtk_clipboard_get (GDK_SELECTION_PRIMARY)); } /* gnome_canvas_rich_text_cut_clipboard */ - /** * gnome_canvas_rich_text_paste_clipboard: * @text: a #GnomeCanvasRichText. @@ -1721,12 +1720,12 @@ scale_fonts(GtkTextTag *tag, gpointer data) #endif g_object_set( - G_OBJECT(tag), "scale", + G_OBJECT(tag), "scale", text->_priv->layout->default_style->font_scale, NULL); } /* scale_fonts */ static void -changed_handler(GtkTextLayout *layout, gint start_y, +changed_handler(GtkTextLayout *layout, gint start_y, gint old_height, gint new_height, gpointer data) { GnomeCanvasRichText *text = GNOME_CANVAS_RICH_TEXT(data); @@ -1735,11 +1734,11 @@ changed_handler(GtkTextLayout *layout, gint start_y, printf("Layout %p is being changed.\n", text->_priv->layout); #endif - if (text->_priv->layout->default_style->font_scale != + if (text->_priv->layout->default_style->font_scale != GNOME_CANVAS_ITEM(text)->canvas->pixels_per_unit) { GtkTextTagTable *tag_table; - text->_priv->layout->default_style->font_scale = + text->_priv->layout->default_style->font_scale = GNOME_CANVAS_ITEM(text)->canvas->pixels_per_unit; tag_table = gtk_text_buffer_get_tag_table(get_buffer(text)); @@ -1749,7 +1748,7 @@ changed_handler(GtkTextLayout *layout, gint start_y, } if (text->_priv->grow_height) { - int width, height; + gint width, height; gtk_text_layout_get_size(text->_priv->layout, &width, &height); @@ -1762,16 +1761,15 @@ changed_handler(GtkTextLayout *layout, gint start_y, g_idle_add(request_update, text); } /* changed_handler */ - /** * gnome_canvas_rich_text_set_buffer: * @text: a #GnomeCanvasRichText. * @buffer: a #GtkTextBuffer. * - * Sets the buffer field of the @text to @buffer. - **/ + * Sets the buffer field of the @text to @buffer. + **/ void -gnome_canvas_rich_text_set_buffer(GnomeCanvasRichText *text, +gnome_canvas_rich_text_set_buffer(GnomeCanvasRichText *text, GtkTextBuffer *buffer) { g_return_if_fail(GNOME_IS_CANVAS_RICH_TEXT(text)); @@ -1810,7 +1808,6 @@ get_buffer(GnomeCanvasRichText *text) return text->_priv->buffer; } /* get_buffer */ - /** * gnome_canvas_rich_text_get_buffer: * @text: a #GnomeCanvasRichText. @@ -1828,7 +1825,6 @@ gnome_canvas_rich_text_get_buffer(GnomeCanvasRichText *text) return get_buffer(text); } /* gnome_canvas_rich_text_get_buffer */ - /** * gnome_canvas_rich_text_get_iter_location: * @text: a #GnomeCanvasRichText. @@ -1848,7 +1844,6 @@ gnome_canvas_rich_text_get_iter_location (GnomeCanvasRichText *text, gtk_text_layout_get_iter_location (text->_priv->layout, iter, location); } - /** * gnome_canvas_rich_text_get_iter_at_location: * @text: a #GnomeCanvasRichText. @@ -1856,8 +1851,8 @@ gnome_canvas_rich_text_get_iter_location (GnomeCanvasRichText *text, * @x: x position, in buffer coordinates. * @y: y position, in buffer coordinates. * - * Retrieves the iterator at the buffer coordinates x and y. - **/ + * Retrieves the iterator at the buffer coordinates x and y. + **/ void gnome_canvas_rich_text_get_iter_at_location (GnomeCanvasRichText *text, GtkTextIter *iter, @@ -1874,7 +1869,6 @@ gnome_canvas_rich_text_get_iter_at_location (GnomeCanvasRichText *text, y); } - static void gnome_canvas_rich_text_set_attributes_from_style(GnomeCanvasRichText *text, GtkTextAttributes *values, @@ -1882,7 +1876,7 @@ gnome_canvas_rich_text_set_attributes_from_style(GnomeCanvasRichText *text, { values->appearance.bg_color = style->base[GTK_STATE_NORMAL]; values->appearance.fg_color = style->fg[GTK_STATE_NORMAL]; - + if (values->font) pango_font_description_free (values->font); @@ -1974,9 +1968,9 @@ gnome_canvas_rich_text_destroy_layout(GnomeCanvasRichText *text) } /* gnome_canvas_rich_text_destroy_layout */ static void -adjust_for_anchors(GnomeCanvasRichText *text, double *ax, double *ay) +adjust_for_anchors(GnomeCanvasRichText *text, gdouble *ax, gdouble *ay) { - double x, y; + gdouble x, y; x = text->_priv->x; y = text->_priv->y; @@ -2033,13 +2027,13 @@ adjust_for_anchors(GnomeCanvasRichText *text, double *ax, double *ay) } /* adjust_for_anchors */ static void -get_bounds(GnomeCanvasRichText *text, double *px1, double *py1, - double *px2, double *py2) +get_bounds(GnomeCanvasRichText *text, gdouble *px1, gdouble *py1, + gdouble *px2, gdouble *py2) { GnomeCanvasItem *item = GNOME_CANVAS_ITEM(text); - double x, y; - double x1, x2, y1, y2; - int cx1, cx2, cy1, cy2; + gdouble x, y; + gdouble x1, x2, y1, y2; + gint cx1, cx2, cy1, cy2; adjust_for_anchors(text, &x, &y); @@ -2059,19 +2053,23 @@ get_bounds(GnomeCanvasRichText *text, double *px1, double *py1, *py2 = cy2; } /* get_bounds */ -static void gnome_canvas_rich_text_get_bounds(GnomeCanvasItem *item, double *px1, double *py1, - double *px2, double *py2) +static void +gnome_canvas_rich_text_get_bounds (GnomeCanvasItem *item, + gdouble *px1, + gdouble *py1, + gdouble *px2, + gdouble *py2) { GnomeCanvasRichText *text = GNOME_CANVAS_RICH_TEXT(item); get_bounds (text, px1, py1, px2, py2); } static void -gnome_canvas_rich_text_update(GnomeCanvasItem *item, double *affine, - ArtSVP *clip_path, int flags) +gnome_canvas_rich_text_update(GnomeCanvasItem *item, gdouble *affine, + ArtSVP *clip_path, gint flags) { GnomeCanvasRichText *text = GNOME_CANVAS_RICH_TEXT(item); - double x1, y1, x2, y2; + gdouble x1, y1, x2, y2; GtkTextIter start; (* GNOME_CANVAS_ITEM_CLASS(parent_class)->update)( @@ -2086,15 +2084,15 @@ gnome_canvas_rich_text_update(GnomeCanvasItem *item, double *affine, gnome_canvas_update_bbox(item, x1, y1, x2, y2); } /* gnome_canvas_rich_text_update */ - + static double -gnome_canvas_rich_text_point(GnomeCanvasItem *item, double x, double y, - int cx, int cy, GnomeCanvasItem **actual_item) +gnome_canvas_rich_text_point(GnomeCanvasItem *item, gdouble x, gdouble y, + gint cx, gint cy, GnomeCanvasItem **actual_item) { GnomeCanvasRichText *text = GNOME_CANVAS_RICH_TEXT(item); - double ax, ay; - double x1, x2, y1, y2; - double dx, dy; + gdouble ax, ay; + gdouble x1, x2, y1, y2; + gdouble dx, dy; *actual_item = item; @@ -2129,14 +2127,14 @@ gnome_canvas_rich_text_point(GnomeCanvasItem *item, double x, double y, static void gnome_canvas_rich_text_draw(GnomeCanvasItem *item, GdkDrawable *drawable, - int x, int y, int width, int height) + gint x, gint y, gint width, gint height) { GnomeCanvasRichText *text = GNOME_CANVAS_RICH_TEXT(item); GtkStyle *style; GtkWidget *widget; - double i2w[6], w2c[6], i2c[6]; - double ax, ay; - int x1, y1, x2, y2; + gdouble i2w[6], w2c[6], i2c[6]; + gdouble ax, ay; + gint x1, y1, x2, y2; ArtPoint i1, i2; ArtPoint c1, c2; @@ -2182,9 +2180,9 @@ gnome_canvas_rich_text_render(GnomeCanvasItem *item, GnomeCanvasBuf *buf) #if 0 static GtkTextTag * -gnome_canvas_rich_text_add_tag(GnomeCanvasRichText *text, char *tag_name, - int start_offset, int end_offset, - const char *first_property_name, ...) +gnome_canvas_rich_text_add_tag(GnomeCanvasRichText *text, gchar *tag_name, + gint start_offset, gint end_offset, + const gchar *first_property_name, ...) { GtkTextTag *tag; GtkTextIter start, end; |