2008-09-16  Pavel Kostyuchenko <ShprotX@gmail.com>

        * gladeui/glade-app.c:
          Creating toplevel widget through unified glade-palette interface.
          Removed error message when pasting non-toplevel widgets without
          a parent.

        * gladeui/glade-command.h: A new function for getting depth of command recursion

        * gladeui/glade-command.c:
          A new function for getting depth of command recursion.
          A return value of glade_command_set_property_execute function is valid
          and is respected by glade_command_set_properties_list.
          indicate success/failure of their execution.
          Glade-command can be unified to null.
          Setting property command is always executed as a group, so if there is
          any recursive command, they will be added to that group.
          Removed parentless widget message level lowered from critical to
          message.
          Widget is treated as toplevel only if it has no parent.
          Removed an assertion from glade_command_create that doesn't allow
          creation of non-GtkWindow parentless widgets

        * gladeui/glade-editor-property.c:
          Object selection dialog will be optionally filled by parentless
          non-GtkWindow widgets only
          Unparenting root widgets before setting another property to them

        * gladeui/glade-inspector.c:
          Popup for clicking even on empty part of widget list

        * gladeui/glade-palette.h:
          A unified function for creating root widgets

        * gladeui/glade-palette.c:
          A unified function for creating root widgets
          A new button for creating root widgets

        * gladeui/glade-placeholder.[ch]:
          glade_placeholder_get_project has been made public for using in
          glade-popup

        * gladeui/glade-popup.c:
          A new function glade_popup_simple_pop for creating a context menu on
          an empty space of glade-inspector
          New context menu items for adding widgets

        * gladeui/glade-popup.h:
          A new function glade_popup_simple_pop for creating a context menu on
          an empty space of glade-inspector

        * gladeui/glade-project.c:
          Unifying command even if there's redo items.
          Unifying atomic commands only.
          Unifying to null

        * gladeui/glade-property-class.[ch]:
          A new field for making properties that points to parentless widgets

        * gladeui/glade-property.h:
          Added a return value to glade_property_set* functions to indicate
          success/failure that is used in glade-command

        * gladeui/glade-property.c:
          Ignoring parentless_widget properties while duplicating properties.
          Additional check while adding/removing property reference
          Added a return value to glade_property_set* functions to indicate
          success/failure that is used in glade-command.
          Determining that property is changed using glade-proproperty method
          instead of direct comparing GValue.
          Loading properties through glade-widget-adaptor interface instead of
          getting them directly.
          remove_object method now unsets referencing property instead of
          setting it.
          Removed dummy duplicated setting of property while unsetting
          referencing property.

        * gladeui/glade-property.h:
          Added a return value to glade_property_set* functions to indicate
          success/failure that is used in glade-command.

        * gladeui/glade-widget.c:
          Removed setting widget properties to template/default values while
          building a new object, because they will be set later in constructor.
          Reloading properties after duplicating a widget.
          A new function for removing parent reference, that was made by setting
          parentless_widget property to the widget.
          Saving and loading parentless_widget properties while rebuilding,
          because they cannot be duplicated.
          Corrected destroying of an old widget while rebuilding. Seems like
          it's not fully correct still.

        * gladeui/glade-widget.h:
          A new function for removing parent reference, that was made by setting
          parentless_widget property to the widget.

        * gladeui/glade-xml-utils.h:
          A new tag "parentless-widget" as a property attribute

        * plugins/gtk+/glade-gtk.c, plugins/gtk+/gtk+.xml.in:
          Removed an old hack for "image" property of GtkMessageDialog.
          A new implementation of "image" property using parentless_widget
          kind of property.
          Added an ability of working with parentless widgets using
          "remove parent" and "add parent" items of context menu


svn path=/trunk/; revision=1908