我们从Python开源项目中，提取了以下13个代码示例，用于说明如何使用gtk.DrawingArea()。
def __init__(self): gtk.DrawingArea.__init__(self) self.graph = Graph() self.openfilename = None self.set_flags(gtk.CAN_FOCUS) self.add_events(gtk.gdk.BUTTON_PRESS_MASK | gtk.gdk.BUTTON_RELEASE_MASK) self.connect("button-press-event", self.on_area_button_press) self.connect("button-release-event", self.on_area_button_release) self.add_events(gtk.gdk.POINTER_MOTION_MASK | gtk.gdk.POINTER_MOTION_HINT_MASK | gtk.gdk.BUTTON_RELEASE_MASK) self.connect("motion-notify-event", self.on_area_motion_notify) self.connect("scroll-event", self.on_area_scroll_event) self.connect("size-allocate", self.on_area_size_allocate) self.connect('key-press-event', self.on_key_press_event) self.x, self.y = 0.0, 0.0 self.zoom_ratio = 1.0 self.zoom_to_fit_on_resize = False self.animation = NoAnimation(self) self.drag_action = NullAction(self) self.presstime = None self.highlight = None
def __init__(self): gtk.DrawingArea.__init__(self) self.connect("expose-event", self.expose) self.connect("size-allocate", self.size_allocate) self._surface = None self._options = None
def __init__(self): global args super(PyApp, self).__init__() self.set_title("Lasersaur") self.resize(1220, 610) self.set_position(gtk.WIN_POS_CENTER) self.connect("destroy", gtk.main_quit) # exit with ctr-q accel_group = gtk.AccelGroup() accel_group.connect_group(ord('q'), gtk.gdk.CONTROL_MASK, gtk.ACCEL_LOCKED, gtk.main_quit) self.add_accel_group(accel_group) self.darea = gtk.DrawingArea() self.darea.connect("expose-event", self.expose) self.add(self.darea) if args.animate: self.timer = True if args.fast: glib.timeout_add(10, self.on_timer) #100fps self.inc = 8 else: glib.timeout_add(40, self.on_timer) #25fps self.inc = 4 self.todraw = self.inc self.show_all()
def __init__(self): gtk.DrawingArea.__init__(self) self.graph = Graph() self.openfilename = None self.set_flags(gtk.CAN_FOCUS) self.add_events(gtk.gdk.BUTTON_PRESS_MASK | gtk.gdk.BUTTON_RELEASE_MASK) self.connect("button-press-event", self.on_area_button_press) self.connect("button-release-event", self.on_area_button_release) self.add_events(gtk.gdk.POINTER_MOTION_MASK | gtk.gdk.POINTER_MOTION_HINT_MASK | gtk.gdk.BUTTON_RELEASE_MASK) self.connect("motion-notify-event", self.on_area_motion_notify) self.connect("scroll-event", self.on_area_scroll_event) self.connect("size-allocate", self.on_area_size_allocate) self.connect('key-press-event', self.on_key_press_event) self.last_mtime = None gobject.timeout_add(1000, self.update) self.x, self.y = 0.0, 0.0 self.zoom_ratio = 1.0 self.zoom_to_fit_on_resize = False self.animation = NoAnimation(self) self.drag_action = NullAction(self) self.presstime = None self.highlight = None
def __init__(self, graph, layout, scrollwin=None, ): gtk.DrawingArea.__init__(self) self._vg_graph = graph self._vg_layout = layout self._vg_scrollwin = scrollwin self.connect('expose-event', self.expose_event_cb) self.connect('button_press_event', self.button_press_event) self.set_events( self.get_events() | gtk.gdk.BUTTON_PRESS_MASK) self.modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color()) self.modify_fg(gtk.STATE_NORMAL, gtk.gdk.Color(green=65535)) if scrollwin != None: scrollwin.connect('destroy', self.scroll_destroy_cb)
def _setup_widgets(self): self._window = gtk.Window() self._window.hide() self._window.connect("destroy", self._quit) widget = gtk.DrawingArea() self._window.add(widget) self.lcd_display = LCDWidget(widget, g_rows, g_cols)
def __init__(self, node, *args, **kwargs): gtk.DrawingArea.__init__(self, *args, **kwargs) self.node = node self.timeoutID = gobject.timeout_add(5000, self.timeout) self.comms = {} self.incomingComms = {} # poison the node with our GUI hooks self.node._protocol.__gui = self self.node._protocol.__realSendRPC = self.node._protocol.sendRPC self.node._protocol.sendRPC = self.__guiSendRPC self.node._protocol.__realDatagramReceived = self.node._protocol.datagramReceived self.node._protocol.datagramReceived = self.__guiDatagramReceived self.msgCounter = 0 self.printMsgCount = False
def __init__(self): """initialise video widget""" #print "VideoWidget.__init__" gtk.DrawingArea.__init__(self) self.connect('realize', self.on_realize)
def __init__(self, display=True): import pygst import gst if display: self.window = gtk.Window(gtk.WINDOW_TOPLEVEL) self.window.set_title("Video-Player") self.window.set_default_size(500, 400) self.window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DIALOG) self.window.connect('delete-event', lambda _: reactor.stop()) self.movie_window = gtk.DrawingArea() self.window.add(self.movie_window) self.window.show_all() self.player = gst.Pipeline("player") self.appsrc = gst.element_factory_make("appsrc", "source") self.appsrc.connect("enough-data", self.on_enough_data) self.appsrc.connect("need-data", self.on_need_data) self.appsrc.set_property("max-bytes", 10000) if display: self.decodebin = gst.element_factory_make("decodebin2", "decodebin") self.decodebin.connect("new-decoded-pad", self.on_decoded_pad) self.player.add(self.appsrc, self.decodebin) gst.element_link_many(self.appsrc, self.decodebin) else: sink = gst.element_factory_make("filesink", "filesink") sink.set_property("location", "/tmp/hls-player.ts") self.player.add(self.appsrc, sink) gst.element_link_many(self.appsrc, sink) bus = self.player.get_bus() bus.add_signal_watch() bus.enable_sync_message_emission() bus.connect("message", self.on_message) bus.connect("sync-message::element", self.on_sync_message) self._playing = False self._need_data = False self._cb = None
def __init__(self): gtk.DrawingArea.__init__(self) self.set_double_buffered(False) self.add_events( gtk.gdk.BUTTON_PRESS_MASK| gtk.gdk.BUTTON_RELEASE_MASK| gtk.gdk.BUTTON1_MOTION_MASK| gtk.gdk.BUTTON2_MOTION_MASK| gtk.gdk.BUTTON3_MOTION_MASK| gtk.gdk.SCROLL_MASK| gtk.gdk.KEY_PRESS_MASK| gtk.gdk.KEY_RELEASE_MASK) # foregorund, background self.fg = (0, 0, 0) self.bg = (0, 0, 0) # list of layers self.layers = [] # visible are used for speedup as list self.visible = None # canvas bindings self.bindings = {} # last item which had some event self.current_item = None # cairo context self.cr = None # cached cairo image surfaces using filenames/images as keys self.cache_filenames = {} self.cache_images = {} # connect event callbacks gtk.DrawingArea.connect(self, 'configure-event', self.drawingarea_configure_event_cb) gtk.DrawingArea.connect(self, 'expose-event', self.drawingarea_expose_event_cb) gtk.DrawingArea.connect(self, 'button-press-event', self.drawingarea_button_press_event_cb) gtk.DrawingArea.connect(self, 'button-release-event', self.drawingarea_button_release_event_cb) gtk.DrawingArea.connect(self, 'motion-notify-event', self.drawingarea_motion_notify_event_cb) gtk.DrawingArea.connect(self, 'scroll-event', self.drawingarea_scroll_event_cb)
