我们从Python开源项目中，提取了以下15个代码示例，用于说明如何使用wx.EVT_ERASE_BACKGROUND。
def BindEvents(self): self.Bind(wx.EVT_PAINT, self.OnPaint) self.Bind(wx.EVT_ERASE_BACKGROUND, lambda e: None) self.Bind(wx.EVT_RIGHT_DOWN, self.OnButtonDown) self.Bind(wx.EVT_LEFT_DOWN, self.OnButtonDown) self.Bind(wx.EVT_MIDDLE_DOWN, self.OnButtonDown) self.Bind(wx.EVT_RIGHT_UP, self.OnButtonUp) self.Bind(wx.EVT_LEFT_UP, self.OnButtonUp) self.Bind(wx.EVT_MIDDLE_UP, self.OnButtonUp) self.Bind(wx.EVT_MOUSEWHEEL, self.OnMouseWheel) self.Bind(wx.EVT_MOTION, self.OnMotion) self.Bind(wx.EVT_ENTER_WINDOW, self.OnEnter) self.Bind(wx.EVT_LEAVE_WINDOW, self.OnLeave) self.Bind(wx.EVT_CHAR, self.OnKeyDown) self.Bind(wx.EVT_KEY_UP, self.OnKeyUp) if wx.Platform == "__WXGTK__": # wxGTK requires that the window be created before you can # set its shape, so delay the call to SetWindowShape until # this event. self.Bind(wx.EVT_WINDOW_CREATE, self.OnWindowCreate) else: # On wxMSW and wxMac the window has already been created. self.Bind(wx.EVT_SIZE, self.OnSize) if _useCapture and hasattr(wx, 'EVT_MOUSE_CAPTURE_LOST'): self.Bind(wx.EVT_MOUSE_CAPTURE_LOST, self.OnMouseCaptureLost)
def __init__(self, parent, bracket): self.bracket = bracket self.oldx = None self.oldy = None self.ax = 0 self.ay = 0 self.bx = 0 self.by = 0 self.extimg = None wx.Panel.__init__(self, parent) self.x = 0 self.y = 0 self.updatebracketimg() self.Bind(wx.EVT_PAINT, self.paint) self.Bind(wx.EVT_MOUSE_EVENTS, self.mouse) self.Bind(wx.EVT_ERASE_BACKGROUND, self.none)
def __init__(self, parent): """Constructor""" wx.Panel.__init__(self, parent=parent) self.frame = parent sizer = wx.BoxSizer(wx.VERTICAL) hSizer = wx.BoxSizer(wx.HORIZONTAL) for num in range(4): label = "Button %s" % num btn = wx.Button(self, label=label) sizer.Add(btn, 0, wx.ALL, 5) hSizer.Add((1,1), 1, wx.EXPAND) hSizer.Add(sizer, 0, wx.TOP, 100) hSizer.Add((1,1), 0, wx.ALL, 75) self.SetSizer(hSizer) self.Bind(wx.EVT_ERASE_BACKGROUND, self.OnEraseBackground)
def __init__(self, parent): glcanvas.GLCanvas.__init__(self, parent, -1) self.init = False self.context = glcanvas.GLContext(self) # <== this was missing when I wrote the book in 2015... # initial mouse position self.lastx = self.x = 30 self.lasty = self.y = 30 self.size = None self.Bind(wx.EVT_ERASE_BACKGROUND, self.OnEraseBackground) self.Bind(wx.EVT_SIZE, self.OnSize) self.Bind(wx.EVT_PAINT, self.OnPaint) self.Bind(wx.EVT_LEFT_DOWN, self.OnMouseDown) self.Bind(wx.EVT_LEFT_UP, self.OnMouseUp) self.Bind(wx.EVT_MOTION, self.OnMouseMotion)
def OnEraseBackground(self, event): """ Handles the ``wx.EVT_ERASE_BACKGROUND`` event for :class:`ImageContainerBase`. :param `event`: a :class:`EraseEvent` event to be processed. :note: This method is intentionally empty to reduce flicker. """ pass
def OnEraseBackground(self, event): """ Handles the ``wx.EVT_ERASE_BACKGROUND`` event for :class:`ImageContainer`. :param `event`: a :class:`EraseEvent` event to be processed. """ ImageContainerBase.OnEraseBackground(self, event)
def __init__(self, parent): attribs = (glcanvas.WX_GL_RGBA, glcanvas.WX_GL_DOUBLEBUFFER, glcanvas.WX_GL_DEPTH_SIZE, 24) glcanvas.GLCanvas.__init__(self, parent, -1, attribList = attribs) self.context = glcanvas.GLContext(self) self.parent = parent #Camera state variables self.size = self.GetClientSize() #self.camera = MouseSphericalCamera(self.size.x, self.size.y) self.camera = MousePolarCamera(self.size.width, self.size.height) #Main state variables self.MousePos = [0, 0] self.bbox = BBox3D() #Face mesh variables and manipulation variables self.mesh = None self.meshCentroid = None self.displayMeshFaces = True self.displayMeshEdges = False self.displayMeshVertices = True self.displayVertexNormals = False self.displayFaceNormals = False self.useLighting = True self.useTexture = False self.GLinitialized = False #GL-related events wx.EVT_ERASE_BACKGROUND(self, self.processEraseBackgroundEvent) wx.EVT_SIZE(self, self.processSizeEvent) wx.EVT_PAINT(self, self.processPaintEvent) #Mouse Events wx.EVT_LEFT_DOWN(self, self.MouseDown) wx.EVT_LEFT_UP(self, self.MouseUp) wx.EVT_RIGHT_DOWN(self, self.MouseDown) wx.EVT_RIGHT_UP(self, self.MouseUp) wx.EVT_MIDDLE_DOWN(self, self.MouseDown) wx.EVT_MIDDLE_UP(self, self.MouseUp) wx.EVT_MOTION(self, self.MouseMotion)
def __init__(self,parent,id,title): wx.Frame.__init__(self,parent,id,title,size=(475,600)) self.parent = parent self.initialize() # Exit exit_button = wx.Button(self, label="Exit", pos=(240+75,550)) exit_button.Bind(wx.EVT_BUTTON, self.onClose) # robot = "/home/pi/Desktop/GoBox/Troubleshooting_GUI/dex.png" # png = wx.Image(robot, wx.BITMAP_TYPE_ANY).ConvertToBitmap() # wx.StaticBitmap(self, -1, png, (0, 0), (png.GetWidth()-320, png.GetHeight()-20)) # self.Bind(wx.EVT_ERASE_BACKGROUND, self.OnEraseBackground) # Sets background picture #----------------------------------------------------------------------
def __init__(self, parent, size): wx.Panel.__init__(self, parent, size=size) self.Bind(wx.EVT_LEFT_DOWN, self.OnLeftDown) self.Bind(wx.EVT_LEFT_UP, self.OnLeftUp) self.Bind(wx.EVT_MOTION, self.OnMotion) self.Bind(wx.EVT_ERASE_BACKGROUND, self.OnEraseBackground) self.Bind(wx.EVT_PAINT, self.OnPaint) self.Bind(wx.EVT_SIZE, self.OnResize) self.ThumbPosition = 0. # -1 <= ThumbPosition <= 1 self.ThumbScrollingStartPos = None
def __init__(self, parent, window, items=[]): """ Constructor @param parent: Parent wx.Window of DebugVariableText @param window: Reference to the Debug Variable Panel @param items: List of DebugVariableItem displayed by Viewer """ DebugVariableViewer.__init__(self, window, items) wx.Panel.__init__(self, parent) # Set panel background colour self.SetBackgroundColour(wx.WHITE) # Define panel drop target self.SetDropTarget(DebugVariableTextDropTarget(self, window)) # Bind events self.Bind(wx.EVT_LEFT_DOWN, self.OnLeftDown) self.Bind(wx.EVT_LEFT_UP, self.OnLeftUp) self.Bind(wx.EVT_LEFT_DCLICK, self.OnLeftDClick) self.Bind(wx.EVT_ENTER_WINDOW, self.OnEnter) self.Bind(wx.EVT_LEAVE_WINDOW, self.OnLeave) self.Bind(wx.EVT_SIZE, self.OnResize) self.Bind(wx.EVT_ERASE_BACKGROUND, self.OnEraseBackground) self.Bind(wx.EVT_PAINT, self.OnPaint) # Define panel min size for parent sizer layout self.SetMinSize(wx.Size(0, 25)) # Add buttons to Viewer for bitmap, callback in [("force", self.OnForceButton), ("release", self.OnReleaseButton), ("delete_graph", self.OnCloseButton)]: self.Buttons.append(GraphButton(0, 0, bitmap, callback))
def __init__( self, parent, camera, socketclient ): wx.Panel.__init__( self, parent, id=wx.ID_ANY, style=wx.SIMPLE_BORDER ) self.Camera = camera self.SocketClient = socketclient self.Bind( wx.EVT_PAINT, self.OnPaint ) self.Bind( wx.EVT_ERASE_BACKGROUND, self.OnEraseBackground ) self.SetSize( CAMERA_SIZE )
def __init__(self, parent, id=wx.ID_ANY, pos=wx.DefaultPosition, size=wx.DefaultSize, style=0, agwStyle=0, name="ImageContainer"): """ Default class constructor. :param `parent`: parent window. Must not be ``None``; :param `id`: window identifier. A value of -1 indicates a default value; :param `pos`: the control position. A value of (-1, -1) indicates a default position, chosen by either the windowing system or wxPython, depending on platform; :param `size`: the control size. A value of (-1, -1) indicates a default size, chosen by either the windowing system or wxPython, depending on platform; :param `style`: the underlying :class:`Panel` window style; :param `agwStyle`: the AGW-specific window style. This can be a combination of the following bits: =========================== =========== ================================================== Window Styles Hex Value Description =========================== =========== ================================================== ``INB_BOTTOM`` 0x1 Place labels below the page area. Available only for :class:`FlatImageBook`. ``INB_LEFT`` 0x2 Place labels on the left side. Available only for :class:`FlatImageBook`. ``INB_RIGHT`` 0x4 Place labels on the right side. ``INB_TOP`` 0x8 Place labels above the page area. ``INB_BORDER`` 0x10 Draws a border around :class:`LabelBook` or :class:`FlatImageBook`. ``INB_SHOW_ONLY_TEXT`` 0x20 Shows only text labels and no images. Available only for :class:`LabelBook`. ``INB_SHOW_ONLY_IMAGES`` 0x40 Shows only tab images and no label texts. Available only for :class:`LabelBook`. ``INB_FIT_BUTTON`` 0x80 Displays a pin button to show/hide the book control. ``INB_DRAW_SHADOW`` 0x100 Draw shadows below the book tabs. Available only for :class:`LabelBook`. ``INB_USE_PIN_BUTTON`` 0x200 Displays a pin button to show/hide the book control. ``INB_GRADIENT_BACKGROUND`` 0x400 Draws a gradient shading on the tabs background. Available only for :class:`LabelBook`. ``INB_WEB_HILITE`` 0x800 On mouse hovering, tabs behave like html hyperlinks. Available only for :class:`LabelBook`. ``INB_NO_RESIZE`` 0x1000 Don't allow resizing of the tab area. ``INB_FIT_LABELTEXT`` 0x2000 Will fit the tab area to the longest text (or text+image if you have images) in all the tabs. ``INB_BOLD_TAB_SELECTION`` 0x4000 Show the selected tab text using a bold font. =========================== =========== ================================================== :param `name`: the window name. """ ImageContainerBase.__init__(self, parent, id, pos, size, style, agwStyle, name) self.Bind(wx.EVT_PAINT, self.OnPaint) self.Bind(wx.EVT_SIZE, self.OnSize) self.Bind(wx.EVT_LEFT_DOWN, self.OnMouseLeftDown) self.Bind(wx.EVT_LEFT_UP, self.OnMouseLeftUp) self.Bind(wx.EVT_ERASE_BACKGROUND, self.OnEraseBackground) self.Bind(wx.EVT_MOTION, self.OnMouseMove) self.Bind(wx.EVT_LEAVE_WINDOW, self.OnMouseLeaveWindow)
def __init__(self, parent, title): """Create the pydicom image example's main frame window.""" wx.Frame.__init__(self, parent, id=-1, title="", pos=wx.DefaultPosition, size=wx.Size(w=1024, h=768), style=wx.DEFAULT_FRAME_STYLE | wx.SUNKEN_BORDER | wx.CLIP_CHILDREN) # -------------------------------------------------------- # Set up the menubar. # -------------------------------------------------------- self.mainmenu = wx.MenuBar() # Make the 'File' menu. menu = wx.Menu() item = menu.Append(wx.ID_ANY, '&Open', 'Open file for editing') self.Bind(wx.EVT_MENU, self.OnFileOpen, item) item = menu.Append(wx.ID_ANY, 'E&xit', 'Exit Program') self.Bind(wx.EVT_MENU, self.OnFileExit, item) self.mainmenu.Append(menu, '&File') # Attach the menu bar to the window. self.SetMenuBar(self.mainmenu) # -------------------------------------------------------- # Set up the main splitter window. # -------------------------------------------------------- self.mainSplitter = wx.SplitterWindow(self, style=wx.NO_3D | wx.SP_3D) self.mainSplitter.SetMinimumPaneSize(1) # ------------------------------------------------------------- # Create the folderTreeView on the left. # ------------------------------------------------------------- self.dsTreeView = wx.TreeCtrl(self.mainSplitter, style=wx.TR_LINES_AT_ROOT | wx.TR_HAS_BUTTONS) # -------------------------------------------------------- # Create the ImageView on the right pane. # -------------------------------------------------------- self.imView = wx.Panel(self.mainSplitter, style=wx.VSCROLL | wx.HSCROLL | wx.CLIP_CHILDREN) self.imView.Bind(wx.EVT_PAINT, self.OnPaint) self.imView.Bind(wx.EVT_ERASE_BACKGROUND, self.OnEraseBackground) self.imView.Bind(wx.EVT_SIZE, self.OnSize) # -------------------------------------------------------- # Install the splitter panes. # -------------------------------------------------------- self.mainSplitter.SplitVertically(self.dsTreeView, self.imView) self.mainSplitter.SetSashPosition(300, True) # -------------------------------------------------------- # Initialize some values # -------------------------------------------------------- self.dcmdsRoot = False self.foldersRoot = False self.loadCentered = True self.bitmap = None self.Show(True)
