aldrin.sequencer.SequencerView

Package aldrin :: Module sequencer :: Class SequencerView

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Type SequencerView

object --+                
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    Object --+            
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    EvtHandler --+        
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            Window --+    
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                Canvas --+
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                        SequencerView

Sequence viewer class.

Method Summary
	`__init__(self, rootwindow, args, *kwds)` Initialization.
	`delete_at_cursor(self)` Deletes pattern at cursor.
	`deselect(self)` Deselects the current selection.
	`DrawBuffer(self)` Overriding a `Canvas` method that paints onto an offscreen buffer.
	`get_endrow(self)` Get the last visible row.
(zzub.Metaplugin, int)	`get_pattern_at(self, track, row)` Gets the pattern and machine given a sequencer track and row.
	`insert_at_cursor(self, index)` Inserts a space at cursor.
	`jump_to_pattern(self, metaplugin, index)` Views a pattern in the pattern view.
	`on_context_menu(self, event)` Callback that constructs and displays the popup menu
	`on_focus(self, event)`
	`on_key_down(self, event)` Callback that responds to key stroke in sequence view.
	`on_left_down(self, event)` Callback that responds to left click down in sequence view.
	`on_left_up(self, event)` Callback that responds to left click up in sequence view.
	`on_motion(self, event)` Callback that responds to mouse motion in sequence view.
	`on_mousewheel(self, event)` Callback that responds to mousewheeling in sequencer.
	`on_popup_add_track(self, event)` Callback that handles track addition via the popup menu
	`on_popup_copy(self, event)` Copies the current selection into the clipboard
	`on_popup_cut(self, event)`
	`on_popup_delete(self, event)`
	`on_popup_delete_track(self, event)` Callback that handles track deletion via the popup menu
	`on_popup_paste(self, event)`
	`onPostPaint(self, dc)` Overriding a `Canvas` method that is called after painting is completed.
(int, int)	`pos_to_track_row(self, (x, y))` Converts pixel coordinate to a track and row.
	`selection_range(self)`
	`set_cursor_pos(self, track, row)` Updates the cursor position to a track and row.
	`show_machine_dialog(self)`
(int, int)	`track_row_to_pos(self, (x, y))` Converts track and row to a pixel coordinate.
	`unpack_clipboard_data(self, d)` Unpacks clipboard data
	`update(self)` Updates the view after a lot of data has changed.
	`update_position(self, event)` Updates the position.
Inherited from Canvas
	`Blit(self, dc)` Performs the blit of the buffer contents on-screen.
	`GetBoundingRect(self)` Returns a tuple that contains the co-ordinates of the top-left and bottom-right corners of the canvas.
	`MakeNewBuffer(self)`
	`onEraseBackground(self, event)`
	`onPaint(self, event)` Renders the off-screen buffer on-screen.
	`onSize(self, event)` Perform actual redraw to off-screen buffer only when the size of the canvas has changed.
	`ReDraw(self, args, *kargs)` Explicitly tells the canvas to redraw it's contents.
	`Refresh(self)`
Inherited from object
	`__delattr__(...)` x.__delattr__('name') <==> del x.name
	`__getattribute__(...)` x.__getattribute__('name') <==> x.name
	`__hash__(x)` x.__hash__() <==> hash(x)
	`__new__(T, S, ...)` T.__new__(S, ...) -> a new object with type S, a subtype of T
	`__reduce__(...)` helper for pickle
	`__reduce_ex__(...)` helper for pickle
	`__setattr__(...)` x.__setattr__('name', value) <==> x.name = value
	`__str__(x)` x.__str__() <==> str(x)

Class Variable Summary
`str`	`CLIPBOARD_SEQUENCER` = `'SEQUENCERDATA'`
Inherited from Canvas
`bool`	`doublebuffered` = `True`

Instance Method Details

init(self, rootwindow, *args, **kwds)
(Constructor)

Initialization.

Overrides:: aldrin.canvas.Canvas.__init__

delete_at_cursor(self)

Deletes pattern at cursor.

deselect(self)

Deselects the current selection.

DrawBuffer(self)

Overriding a Canvas method that paints onto an offscreen buffer. Draws the pattern view graphics.

Overrides:: aldrin.canvas.Canvas.DrawBuffer

get_endrow(self)

Get the last visible row.

get_pattern_at(self, track, row)

Gets the pattern and machine given a sequencer track and row.

Parameters:: track - Track index.
(type=int); row - Row index.
(type=int)

Returns:: Tuple containing machine and pattern index.
(type=(zzub.Metaplugin, int))

insert_at_cursor(self, index=-1)

Inserts a space at cursor.

jump_to_pattern(self, metaplugin, index=0)

Views a pattern in the pattern view.

Parameters:: metaplugin - Machine.
(type=zzub.Metaplugin); index - Pattern index.
(type=int)

on_context_menu(self, event)

Callback that constructs and displays the popup menu

Parameters:: event - Menu event.
(type=wx.CommandEvent)

on_key_down(self, event)

Callback that responds to key stroke in sequence view.

Parameters:: event - Key event
(type=wx.KeyEvent)

on_left_down(self, event)

Callback that responds to left click down in sequence view.

Parameters:: event - Mouse event
(type=wx.MouseEvent)

on_left_up(self, event)

Callback that responds to left click up in sequence view.

Parameters:: event - Mouse event
(type=wx.MouseEvent)

on_motion(self, event)

Callback that responds to mouse motion in sequence view.

Parameters:: event - Mouse event
(type=wx.MouseEvent)

on_mousewheel(self, event)

Callback that responds to mousewheeling in sequencer.

Parameters:: event - Mouse event
(type=wx.MouseEvent)

on_popup_add_track(self, event)

Callback that handles track addition via the popup menu

Parameters:: event - Menu event.
(type=wx.CommandEvent)

on_popup_copy(self, event=None)

Copies the current selection into the clipboard

on_popup_delete_track(self, event)

Callback that handles track deletion via the popup menu

Parameters:: event - Menu event.
(type=wx.CommandEvent)

onPostPaint(self, dc)

Overriding a Canvas method that is called after painting is completed. Draws an XOR play cursor over the pattern view.

Parameters:: dc - wx device context.
(type=wx.PaintDC)

Overrides:: aldrin.canvas.Canvas.onPostPaint

pos_to_track_row(self, (x, y))

Converts pixel coordinate to a track and row.

Parameters:: x - Pixel coordinate.
(type=int); y - Pixel coordinate.
(type=int)

Returns:: Tuple containing track and row index.
(type=(int, int))

set_cursor_pos(self, track, row)

Updates the cursor position to a track and row.

Parameters:: track - Pattern index.
(type=int); row - Row index.
(type=int)

track_row_to_pos(self, (x, y))

Converts track and row to a pixel coordinate.

Parameters:: x - Track index.
(type=int); y - Row index.
(type=int)

Returns:: Pixel coordinate.
(type=(int, int))

unpack_clipboard_data(self, d)

Unpacks clipboard data

Parameters:: d - Data that is to be unpacked.
(type=unicode)

update(self)

Updates the view after a lot of data has changed. This will also reset selection.

update_position(self, event)

Updates the position.

Class Variable Details

CLIPBOARD_SEQUENCER

Type:: str
Value:: 'SEQUENCERDATA'

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