Implement block-cursor for overwrite mode. (#80378)

Implement block-cursor for overwrite mode. (#80378)

2007-06-12  Yevgen Muntyan  <muntyan@tamu.edu>

        * gtk/gtkentry.c (gtk_entry_expose), (gtk_entry_toggle_overwrite),
        (gtk_entry_draw_cursor):
        * gtk/gtkstyle.c (_gtk_widget_get_cursor_gc),
        (_gtk_widget_get_cursor_color):
        * gtk/gtkstyle.h:
        * gtk/gtktextdisplay.c (gtk_text_renderer_prepare_run),
        (gtk_text_renderer_draw_shape), (text_renderer_set_state),
        (render_para):
        * gtk/gtktextlayout.c (gtk_text_layout_set_overwrite_mode),
        (gtk_text_layout_invalidate_cache), (get_block_cursor),
        (add_cursor), (gtk_text_layout_get_line_display),
        (_gtk_text_layout_get_block_cursor):
        * gtk/gtktextlayout.h:
        * gtk/gtktextutil.c (layout_get_char_width),
        (_gtk_text_util_get_block_cursor_location):
        * gtk/gtktextutil.h:
        * gtk/gtktextview.c (gtk_text_view_set_editable),
        (gtk_text_view_toggle_overwrite), (gtk_text_view_set_overwrite),
        (gtk_text_view_ensure_layout), (text_window_invalidate_cursors):
        Implement block-cursor for overwrite mode.  (#80378)

svn path=/trunk/; revision=18108