VUWidget
index
/home/david/Projects/Jokosher/trunk/Jokosher/VUWidget.py

#       THIS FILE IS PART OF THE JOKOSHER PROJECT AND LICENSED UNDER THE GPL. SEE
#       THE 'COPYING' FILE FOR DETAILS
#
#       VUWidget.py
#       
#       This module draws the gradient volume levels and is used by
#       MixerStrip.py to show the volume levels in Jokosher's mix view.
#
#-------------------------------------------------------------------------------

 
Modules
       
cairo
gettext
gtk
pygtk

 
Classes
       
gobject.DrawingArea(gobject.Widget)
VUWidget

 
class VUWidget(gobject.DrawingArea)
    Draws the gradient volume levels and is used by MixerStrip.py
to show the volume levels in Jokosher's mix view.
 
 
Method resolution order:
VUWidget
gobject.DrawingArea
gobject.Widget
gobject.Object
gobject.GObject
atk.ImplementorIface
gobject.GInterface
__builtin__.object

Methods defined here:
Destroy(self)
Deletes the cairo.ImageSurface and then calls the class destructor.
GenerateBackground(self)
Renders the gradient strip for the VU meter background to speed up drawing.
OnDraw(self, widget, event)
Handles the GTK paint event.
 
Parameters:
        widget -- reserved for GTK callbacks, don't use it explicitly.
        event -- reserved for GTK callbacks, don't use it explicitly.
        
Returns:
        False -- TODO
OnMouseDown(self, widget, mouse)
If the fader widget is clicked, activates it.
 
Parameters:
        widget -- reserved for GTK callbacks, don't use it explicitly.
        mouse -- reserved for GTK callbacks, don't use it explicitly.
OnMouseLeave(self, widget, mouse)
Clears the StatusBar helper message.
 
Parameters:
        widget -- reserved for GTK callbacks, don't use it explicitly.
        mouse -- reserved for GTK callbacks, don't use it explicitly.
OnMouseMove(self, widget, mouse)
Displays a helper message in the StatusBar and sets the volume
according to the position of the fader widget.
 
Parameters:
        widget -- reserved for GTK callbacks, don't use it explicitly.
        mouse -- reserved for GTK callbacks, don't use it explicitly.
OnMouseUp(self, widget, mouse)
Deactivates the fader widget.
 
Parameters:
        widget -- reserved for GTK callbacks, don't use it explicitly.
        mouse -- reserved for GTK callbacks, don't use it explicitly.
OnSizeChanged(self, obj, evt)
Toggles a redraw of the VUWidget if needed.
 
Parameters:
        obj -- reserved for Cairo callbacks, don't use it explicitly. *CHECK*
        evt --reserved for Cairo callbacks, don't use it explicitly. *CHECK*
__init__(self, mixerstrip, mainview)
Creates a new instance of VUWidget.
 
Parameters:
        mixerstrip -- TODO
        mainview -- the main Jokosher window (JokosherApp).
do_size_request(self, requisition)
TODO
 
Parameters:
        requisition -- TODO

Data and other attributes defined here:
BAR_WIDTH = 20
__gtype__ = <GType VUWidget (138585352)>
__gtype_name__ = 'VUWidget'

Methods inherited from gobject.DrawingArea:
size(...)

Methods inherited from gobject.Widget:
activate(...)
add_accelerator(...)
add_events(...)
add_mnemonic_label(...)
can_activate_accel(...)
child_focus(...)
child_notify(...)
class_path(...)
create_pango_context(...)
create_pango_layout(...)
destroy(...)
drag_begin(...)
drag_check_threshold(...)
drag_dest_add_image_targets(...)
drag_dest_add_text_targets(...)
drag_dest_add_uri_targets(...)
drag_dest_find_target(...)
drag_dest_get_target_list(...)
drag_dest_get_track_motion(...)
drag_dest_set(...)
drag_dest_set_proxy(...)
drag_dest_set_target_list(...)
drag_dest_set_track_motion(...)
drag_dest_unset(...)
drag_get_data(...)
drag_highlight(...)
drag_source_add_image_targets(...)
drag_source_add_text_targets(...)
drag_source_add_uri_targets(...)
drag_source_get_target_list(...)
drag_source_set(...)
drag_source_set_icon(...)
drag_source_set_icon_name(...)
drag_source_set_icon_pixbuf(...)
drag_source_set_icon_stock(...)
drag_source_set_target_list(...)
drag_source_unset(...)
drag_unhighlight(...)
draw(...)
ensure_style(...)
event(...)
freeze_child_notify(...)
get_accessible(...)
get_action(...)
get_allocation(...)
get_ancestor(...)
get_child_requisition(...)
get_child_visible(...)
get_clipboard(...)
get_colormap(...)
get_composite_name(...)
get_direction(...)
get_display(...)
get_events(...)
get_extension_events(...)
get_modifier_style(...)
get_name(...)
get_no_show_all(...)
get_pango_context(...)
get_parent(...)
get_parent_window(...)
get_pointer(...)
get_root_window(...)
get_screen(...)
get_settings(...)
get_size_request(...)
get_style(...)
get_toplevel(...)
get_visual(...)
grab_add(...)
grab_default(...)
grab_focus(...)
grab_remove(...)
has_screen(...)
hide(...)
hide_all(...)
hide_on_delete(...)
input_shape_combine_mask(...)
intersect(...)
is_ancestor(...)
is_composited(...)
is_focus(...)
list_mnemonic_labels(...)
map(...)
menu_get_for_attach_widget(...)
mnemonic_activate(...)
modify_base(...)
modify_bg(...)
modify_fg(...)
modify_font(...)
modify_style(...)
modify_text(...)
path(...)
queue_clear(...)
queue_clear_area(...)
queue_draw(...)
queue_draw_area(...)
queue_resize(...)
queue_resize_no_redraw(...)
rc_get_style(...)
realize(...)
region_intersect(...)
remove_accelerator(...)
remove_mnemonic_label(...)
render_icon(...)
reparent(...)
reset_rc_styles(...)
reset_shapes(...)
selection_add_target(...)
selection_add_targets(...)
selection_clear_targets(...)
selection_convert(...)
selection_owner_set(...)
selection_remove_all(...)
send_expose(...)
set_accel_path(...)
set_app_paintable(...)
set_child_visible(...)
set_colormap(...)
set_composite_name(...)
set_direction(...)
set_double_buffered(...)
set_events(...)
set_extension_events(...)
set_name(...)
set_no_show_all(...)
set_parent(...)
set_parent_window(...)
set_redraw_on_allocate(...)
set_scroll_adjustments(...)
set_sensitive(...)
set_size_request(...)
set_state(...)
set_style(...)
set_uposition(...)
set_usize(...)
shape_combine_mask(...)
show(...)
show_all(...)
show_now(...)
size_allocate(...)
size_request(...)
style_get_property(...)
thaw_child_notify(...)
translate_coordinates(...)
unmap(...)
unparent(...)
unrealize(...)

Data and other attributes inherited from gobject.Widget:
allocation = <attribute 'allocation' of 'gtk.Widget' objects>
do_button_press_event = <built-in method do_button_press_event of GObjectMeta object>
do_button_release_event = <built-in method do_button_release_event of GObjectMeta object>
do_can_activate_accel = <built-in method do_can_activate_accel of GObjectMeta object>
do_client_event = <built-in method do_client_event of GObjectMeta object>
do_composited_changed = <built-in method do_composited_changed of GObjectMeta object>
do_configure_event = <built-in method do_configure_event of GObjectMeta object>
do_delete_event = <built-in method do_delete_event of GObjectMeta object>
do_destroy_event = <built-in method do_destroy_event of GObjectMeta object>
do_direction_changed = <built-in method do_direction_changed of GObjectMeta object>
do_drag_begin = <built-in method do_drag_begin of GObjectMeta object>
do_drag_data_delete = <built-in method do_drag_data_delete of GObjectMeta object>
do_drag_data_get = <built-in method do_drag_data_get of GObjectMeta object>
do_drag_data_received = <built-in method do_drag_data_received of GObjectMeta object>
do_drag_drop = <built-in method do_drag_drop of GObjectMeta object>
do_drag_end = <built-in method do_drag_end of GObjectMeta object>
do_drag_leave = <built-in method do_drag_leave of GObjectMeta object>
do_drag_motion = <built-in method do_drag_motion of GObjectMeta object>
do_enter_notify_event = <built-in method do_enter_notify_event of GObjectMeta object>
do_event = <built-in method do_event of GObjectMeta object>
do_expose_event = <built-in method do_expose_event of GObjectMeta object>
do_focus = <built-in method do_focus of GObjectMeta object>
do_focus_in_event = <built-in method do_focus_in_event of GObjectMeta object>
do_focus_out_event = <built-in method do_focus_out_event of GObjectMeta object>
do_get_accessible = <built-in method do_get_accessible of GObjectMeta object>
do_grab_broken_event = <built-in method do_grab_broken_event of GObjectMeta object>
do_grab_focus = <built-in method do_grab_focus of GObjectMeta object>
do_grab_notify = <built-in method do_grab_notify of GObjectMeta object>
do_hide = <built-in method do_hide of GObjectMeta object>
do_hide_all = <built-in method do_hide_all of GObjectMeta object>
do_hierarchy_changed = <built-in method do_hierarchy_changed of GObjectMeta object>
do_key_press_event = <built-in method do_key_press_event of GObjectMeta object>
do_key_release_event = <built-in method do_key_release_event of GObjectMeta object>
do_leave_notify_event = <built-in method do_leave_notify_event of GObjectMeta object>
do_map = <built-in method do_map of GObjectMeta object>
do_map_event = <built-in method do_map_event of GObjectMeta object>
do_mnemonic_activate = <built-in method do_mnemonic_activate of GObjectMeta object>
do_motion_notify_event = <built-in method do_motion_notify_event of GObjectMeta object>
do_no_expose_event = <built-in method do_no_expose_event of GObjectMeta object>
do_parent_set = <built-in method do_parent_set of GObjectMeta object>
do_popup_menu = <built-in method do_popup_menu of GObjectMeta object>
do_property_notify_event = <built-in method do_property_notify_event of GObjectMeta object>
do_proximity_in_event = <built-in method do_proximity_in_event of GObjectMeta object>
do_proximity_out_event = <built-in method do_proximity_out_event of GObjectMeta object>
do_realize = <built-in method do_realize of GObjectMeta object>
do_screen_changed = <built-in method do_screen_changed of GObjectMeta object>
do_scroll_event = <built-in method do_scroll_event of GObjectMeta object>
do_selection_clear_event = <built-in method do_selection_clear_event of GObjectMeta object>
do_selection_get = <built-in method do_selection_get of GObjectMeta object>
do_selection_notify_event = <built-in method do_selection_notify_event of GObjectMeta object>
do_selection_received = <built-in method do_selection_received of GObjectMeta object>
do_selection_request_event = <built-in method do_selection_request_event of GObjectMeta object>
do_show = <built-in method do_show of GObjectMeta object>
do_show_all = <built-in method do_show_all of GObjectMeta object>
do_show_help = <built-in method do_show_help of GObjectMeta object>
do_size_allocate = <built-in method do_size_allocate of GObjectMeta object>
do_state_changed = <built-in method do_state_changed of GObjectMeta object>
do_style_set = <built-in method do_style_set of GObjectMeta object>
do_unmap = <built-in method do_unmap of GObjectMeta object>
do_unmap_event = <built-in method do_unmap_event of GObjectMeta object>
do_unrealize = <built-in method do_unrealize of GObjectMeta object>
do_visibility_notify_event = <built-in method do_visibility_notify_event of GObjectMeta object>
do_window_state_event = <built-in method do_window_state_event of GObjectMeta object>
get_activate_signal = <built-in method get_activate_signal of GObjectMeta object>
name = <attribute 'name' of 'gtk.Widget' objects>
parent = <attribute 'parent' of 'gtk.Widget' objects>
saved_state = <attribute 'saved_state' of 'gtk.Widget' objects>
set_activate_signal = <built-in method set_activate_signal of GObjectMeta object>
set_set_scroll_adjustments_signal = <built-in method set_set_scroll_adjustments_signal of GObjectMeta object>
state = <attribute 'state' of 'gtk.Widget' objects>
style = <attribute 'style' of 'gtk.Widget' objects>
window = <attribute 'window' of 'gtk.Widget' objects>

Methods inherited from gobject.Object:
flags(...)
remove_data(...)
remove_no_notify(...)
set_flags(...)
unset_flags(...)

Data and other attributes inherited from gobject.Object:
do_destroy = <built-in method do_destroy of GObjectMeta object>

Methods inherited from gobject.GObject:
__cmp__(...)
x.__cmp__(y) <==> cmp(x,y)
__gobject_init__(...)
__hash__(...)
x.__hash__() <==> hash(x)
__repr__(...)
x.__repr__() <==> repr(x)
chain(...)
connect(...)
connect_after(...)
connect_object(...)
connect_object_after(...)
disconnect(...)
disconnect_by_func(...)
emit(...)
emit_stop_by_name(...)
freeze_notify(...)
get_data(...)
get_property(...)
handler_block(...)
handler_block_by_func(...)
handler_disconnect(...)
handler_is_connected(...)
handler_unblock(...)
handler_unblock_by_func(...)
notify(...)
set_data(...)
set_property(...)
stop_emission(...)
thaw_notify(...)

Data and other attributes inherited from gobject.GObject:
__dict__ = <dictproxy object>
__gdoc__ = 'Object VUWidget\n\n\n\tDraws the gradient volume lev...ointer\n\nSignals from GObject:\n notify (GParam)\n\n'
__grefcount__ = <attribute '__grefcount__' of 'gobject.GObject' objects>
__new__ = <built-in method __new__ of GObjectMeta object>
T.__new__(S, ...) -> a new object with type S, a subtype of T
props = <gobject.GProps object>

Methods inherited from atk.ImplementorIface:
ref_accessible(...)