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import pygtk
pygtk.require( '2.0' )
import gtk
import Config
from Util.Profiler import TP
from Edit.MainWindow import CONTEXT
class TuneInterfaceParasite:
def __init__( self, noteDB, owner, note ):
self.parasite = self
self.noteDB = noteDB
self.owner = owner
self.note = note
def attach( self ):
return self
def destroy( self ):
return
def updateParameter( self, parameter, value ):
return
class TuneInterface( gtk.EventBox ):
DRAG_BLOCK = -1 # block other drag events
DRAG_SELECT = 1
DRAG_DESELECT = 2
DRAG_MOVE = 3
def __init__( self, noteDB, owner ):
gtk.EventBox.__init__( self )
self.noteDB = noteDB
self.owner = owner
self.drawingArea = gtk.DrawingArea()
self.drawingAreaDirty = False # is the drawingArea waiting to draw?
self.add( self.drawingArea )
self.dirtyRectToAdd = gtk.gdk.Rectangle() # used by the invalidate_rect function
self.selectedIds = []
self.displayedPage = -1
self.alloced = False
self.width = self.baseWidth = self.height = -1
self.waitingForAlloc = True
self.scrollTo = -1
self.clickX = -1
self.set_size_request( self.width, self.height )
self.pageSpacing = Config.PAGE_THUMBNAIL_WIDTH + Config.PAGE_THUMBNAIL_PADDING_MUL2
self.pageOffset = Config.PAGE_THUMBNAIL_PADDING + Config.PAGE_THUMBNAIL_PADDING_DIV2
self.dragMode = None
self.dropAt = -1
self.add_events(gtk.gdk.POINTER_MOTION_MASK|gtk.gdk.POINTER_MOTION_HINT_MASK)
self.connect( "size-allocate", self.size_allocated )
self.drawingArea.connect( "expose-event", self.draw )
self.connect( "button-press-event", self.handleButtonPress )
self.connect( "button-release-event", self.handleButtonRelease )
self.connect( "motion-notify-event", self.handleMotion )
def size_allocated( self, widget, allocation ):
if not self.alloced:
self.baseWidth = allocation.width
self.baseHeight = allocation.height
self.alloced = True
self.width = allocation.width
self.height = allocation.height
self.drawingArea.set_size_request( self.width, self.height )
self.pageY = (self.height-Config.PAGE_THUMBNAIL_HEIGHT)//2
if self.scrollTo >= 0:
self.owner.scrollTune( self.scrollTo )
self.scrollTo = -1
self.waitingForAlloc = False
def updateSize( self ):
if not self.alloced: return
width = self.noteDB.getPageCount()*(Config.PAGE_THUMBNAIL_WIDTH + Config.PAGE_THUMBNAIL_PADDING_MUL2) + Config.PAGE_THUMBNAIL_PADDING_MUL2
self.waitingForAlloc = True
self.set_size_request( max( self.baseWidth, width), -1 )
def handleButtonPress( self, widget, event ):
ind = int(event.x-self.pageOffset)//self.pageSpacing
if ind >= self.noteDB.getPageCount():
if self.dragMode != self.DRAG_MOVE:
self.dragMode = self.DRAG_BLOCK
return
if ind < 0: ind = 0
self.clickX = event.x
id = self.noteDB.getPageByIndex( ind )
if event.state & gtk.gdk.BUTTON2_MASK:
# bring up properties or something
return
if event.type == gtk.gdk._3BUTTON_PRESS: # triple click -> select all
self.selectAll()
self.owner.displayPage( id )
elif event.type == gtk.gdk._2BUTTON_PRESS: # double click -> exclusive select
self.selectPage( id )
self.owner.displayPage( id )
else:
if Config.ModKeys.ctrlDown:
if id in self.selectedIds: # ctrl click, selected page -> remove page from selection
if self.deselectPage( id ):
self.dragMode = self.DRAG_DESELECT
else:
self.dragMode = self.DRAG_SELECT # special case, they clicked on the last selected page and it wasn't deselected
else: # ctrl click, unselected page -> add page to selection (but don't display it)
self.selectPage( id, False )
self.dragMode = self.DRAG_SELECT
elif id in self.selectedIds: # click, selected page -> display this page but don't change the selection
self.owner.displayPage( id )
else: # click, unselected page -> exclusive select
self.selectPage( id )
self.owner.displayPage( id )
self.owner.setContext( CONTEXT.PAGE )
def handleButtonRelease( self, widget, event ):
if self.dragMode == self.DRAG_MOVE \
and event.button == 1:
self.invalidate_rect( 0, 0, self.width, self.height ) # drop head
if self.dropAt > 0: after = self.noteDB.getPageByIndex( self.dropAt-1 )
else: after = False
self.noteDB.movePages( self.selectedIds, after )
self.dropAt = -1
self.dragMode = None
def handleMotion( self, widget, event ):
if event.is_hint:
x, y, state = self.window.get_pointer()
event.x = float(x)
event.y = float(y)
event.state = state
if event.state & gtk.gdk.BUTTON1_MASK: # clicking
if Config.ModKeys.ctrlDown and (self.dragMode == None or self.dragMode == self.DRAG_MOVE):
self.dropAt = -1
self.dragMode = self.DRAG_SELECT
if self.dragMode == self.DRAG_SELECT: # select on drag
ind = int(event.x-self.pageOffset)//self.pageSpacing
if ind < self.noteDB.getPageCount(): self.selectPage( self.noteDB.getPageByIndex(ind), False )
elif self.dragMode == self.DRAG_DESELECT: # deselect on drag
ind = int(event.x-self.pageOffset)//self.pageSpacing
if ind < self.noteDB.getPageCount(): self.deselectPage( self.noteDB.getPageByIndex(ind) )
elif self.dragMode == None and abs(self.clickX-event.x) > 20: # drag and drop
self.dragMode = self.DRAG_MOVE
if self.dragMode == self.DRAG_MOVE:
self.dropAt = int(event.x-self.pageOffset+Config.PAGE_THUMBNAIL_WIDTH_DIV2)//self.pageSpacing
c = self.noteDB.getPageCount()
if self.dropAt > c: self.dropAt = c
self.invalidate_rect( 0, 0, self.width, self.height )
else: # hovering
ind = int(event.x-self.pageOffset)//self.pageSpacing
if 0 <= ind < self.noteDB.getPageCount():
id = self.noteDB.getPageByIndex(ind)
if id != self.displayedPage:
self.owner.predrawPage( id )
def displayPage( self, id, scroll ):
if self.displayedPage == id: return -1
self.displayedPage = id
if id not in self.selectedIds:
self.selectPage( id )
ind = self.noteDB.getPageIndex( id )
startX = self.pageOffset + ind*self.pageSpacing
stopX = startX + self.pageSpacing
self.invalidate_rect( 0, 0, self.width, self.height )
if scroll > startX: scroll = startX
elif scroll + self.baseWidth < stopX:
scroll = stopX - self.baseWidth
if self.waitingForAlloc:
self.scrollTo = scroll
return -1
else:
scroll = stopX - self.baseWidth
return scroll
def selectPage( self, id, exclusive = True ):
if exclusive: self.selectedIds = []
if id in self.selectedIds: return False # no change
ind = self.noteDB.getPageIndex( id )
l = len(self.selectedIds)
i = 0 # in case len(self.selectedIds) == 0
while i < l:
if self.noteDB.getPageIndex( self.selectedIds[i] ) > ind: break
i += 1
self.selectedIds.insert( i, id )
self.invalidate_rect( 0, 0, self.width, self.height )
return True # page added to selection
def deselectPage( self, id, force = False ):
if not id in self.selectedIds: return False # page isn't selected
if not force:
if len(self.selectedIds) <= 1: return False # don't deselect the last page
if self.displayedPage == id:
i = self.selectedIds.index(id)
if i == 0: self.owner.displayPage( self.selectedIds[1] )
else: self.owner.displayPage( self.selectedIds[i-1] )
self.selectedIds.remove( id )
self.invalidate_rect( 0, 0, self.width, self.height )
return True # page removed from the selection
def selectAll( self ):
self.selectedIds = self.noteDB.getTune()[:]
self.invalidate_rect( 0, 0, self.width, self.height )
def clearSelection( self ):
self.selectedIds = []
self.invalidate_rect( 0, 0, self.width, self.height )
def getSelectedIds( self ):
return self.selectedIds
def getLastSelected( self ):
return self.selectedIds[-1]
#=======================================================
# NoteDB notifications
def notifyPageAdd( self, id, at ):
self.selectPage( id )
self.updateSize()
def notifyPageDelete( self, which, safe ):
for id in self.selectedIds:
if id in which: self.deselectPage( id, True )
self.updateSize()
def notifyPageDuplicate( self, new, at ):
self.clearSelection()
for k in new.keys():
self.selectPage( new[k], False )
self.updateSize()
def notifyPageMove( self, which, low, high ):
self.invalidate_rect( 0, 0, self.width, self.height )
#=======================================================
# Drawing
def draw( self, drawingArea, event ):
startX = event.area.x
startY = event.area.y
stopX = event.area.x + event.area.width
stopY = event.area.y + event.area.height
context = drawingArea.window.cairo_create()
context.set_antialias(0) # I don't know what to set this to to turn it off, and it doesn't seem to work anyway!?
context.set_line_width( 2 )
context.move_to( 0, 0 )
context.rel_line_to( self.width, 0 )
context.rel_line_to( 0, self.height )
context.rel_line_to( -self.width, 0 )
context.close_path()
#draw background
context.set_source_rgb( 0.75, 0.05, 0.0 )
context.fill_preserve()
# draw pages
x = Config.PAGE_THUMBNAIL_PADDING_MUL2 # double padding on first page!
l = len(self.selectedIds)
j = 0
for pageId in self.noteDB.getTune():
if pageId == self.displayedPage: # displayed page border
context.set_source_rgb( 1.0, 1.0, 1.0 )
if j<l and self.selectedIds[j] == pageId: j += 1
elif j<l and self.selectedIds[j] == pageId: # selected page border
context.set_source_rgb( 0.05, 0.75, 0.8 )
j += 1
else: # normal border
context.set_source_rgb( 0.05, 0.75, 0.0 )
context.move_to( x, self.pageY )
context.rel_line_to( Config.PAGE_THUMBNAIL_WIDTH, 0 )
context.rel_line_to( 0, Config.PAGE_THUMBNAIL_HEIGHT )
context.rel_line_to( -Config.PAGE_THUMBNAIL_WIDTH, 0 )
context.close_path()
context.stroke()
x += self.pageSpacing
# draw drop marker
if self.dropAt >= 0:
context.set_line_width( Config.PAGE_THUMBNAIL_PADDING )
context.set_source_rgb( 0.0, 0.0, 0.0 )
context.move_to( Config.PAGE_THUMBNAIL_PADDING + self.pageSpacing*self.dropAt, self.pageY - 4 )
context.rel_line_to( 0, Config.PAGE_THUMBNAIL_HEIGHT + 8 )
context.stroke()
def invalidate_rect( self, x, y, width, height ):
if self.alloced == False: return
self.dirtyRectToAdd.x = x
self.dirtyRectToAdd.y = y
self.dirtyRectToAdd.width = width
self.dirtyRectToAdd.height = height
self.drawingArea.window.invalidate_rect( self.dirtyRectToAdd, True )
self.drawingAreaDirty = True
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