X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ec873c943d71f0d5f13e3398557071448cda6c23..a4027e74873007e3430af3bd77019bcab76f6c04:/wxPython/demo/ScrolledWindow.py diff --git a/wxPython/demo/ScrolledWindow.py b/wxPython/demo/ScrolledWindow.py deleted file mode 100644 index d5b0728be2..0000000000 --- a/wxPython/demo/ScrolledWindow.py +++ /dev/null @@ -1,256 +0,0 @@ - -import wx -import images - -BUFFERED = 1 - -#--------------------------------------------------------------------------- - -class MyCanvas(wx.ScrolledWindow): - def __init__(self, parent, id = -1, size = wx.DefaultSize): - wx.ScrolledWindow.__init__(self, parent, id, (0, 0), size=size, style=wx.SUNKEN_BORDER) - - self.lines = [] - self.maxWidth = 1000 - self.maxHeight = 1000 - self.x = self.y = 0 - self.curLine = [] - self.drawing = False - - self.SetBackgroundColour("WHITE") - self.SetCursor(wx.StockCursor(wx.CURSOR_PENCIL)) - bmp = images.getTest2Bitmap() - mask = wx.Mask(bmp, wx.BLUE) - bmp.SetMask(mask) - self.bmp = bmp - - self.SetVirtualSize((self.maxWidth, self.maxHeight)) - self.SetScrollRate(20,20) - - if BUFFERED: - # Initialize the buffer bitmap. No real DC is needed at this point. - self.buffer = wx.EmptyBitmap(self.maxWidth, self.maxHeight) - dc = wx.BufferedDC(None, self.buffer) - dc.SetBackground(wx.Brush(self.GetBackgroundColour())) - dc.Clear() - self.DoDrawing(dc) - - self.Bind(wx.EVT_LEFT_DOWN, self.OnLeftButtonEvent) - self.Bind(wx.EVT_LEFT_UP, self.OnLeftButtonEvent) - self.Bind(wx.EVT_MOTION, self.OnLeftButtonEvent) - self.Bind(wx.EVT_PAINT, self.OnPaint) - - - def getWidth(self): - return self.maxWidth - - def getHeight(self): - return self.maxHeight - - - def OnPaint(self, event): - if BUFFERED: - # Create a buffered paint DC. It will create the real - # wx.PaintDC and then blit the bitmap to it when dc is - # deleted. Since we don't need to draw anything else - # here that's all there is to it. - dc = wx.BufferedPaintDC(self, self.buffer, wx.BUFFER_VIRTUAL_AREA) - else: - dc = wx.PaintDC(self) - self.PrepareDC(dc) - # since we're not buffering in this case, we have to - # paint the whole window, potentially very time consuming. - self.DoDrawing(dc) - - - def DoDrawing(self, dc, printing=False): - dc.BeginDrawing() - dc.SetPen(wx.Pen('RED')) - dc.DrawRectangle(5, 5, 50, 50) - - dc.SetBrush(wx.LIGHT_GREY_BRUSH) - dc.SetPen(wx.Pen('BLUE', 4)) - dc.DrawRectangle(15, 15, 50, 50) - - dc.SetFont(wx.Font(14, wx.SWISS, wx.NORMAL, wx.NORMAL)) - dc.SetTextForeground(wx.Colour(0xFF, 0x20, 0xFF)) - te = dc.GetTextExtent("Hello World") - dc.DrawText("Hello World", 60, 65) - - dc.SetPen(wx.Pen('VIOLET', 4)) - dc.DrawLine(5, 65+te[1], 60+te[0], 65+te[1]) - - lst = [(100,110), (150,110), (150,160), (100,160)] - dc.DrawLines(lst, -60) - dc.SetPen(wx.GREY_PEN) - dc.DrawPolygon(lst, 75) - dc.SetPen(wx.GREEN_PEN) - dc.DrawSpline(lst+[(100,100)]) - - dc.DrawBitmap(self.bmp, 200, 20, True) - dc.SetTextForeground(wx.Colour(0, 0xFF, 0x80)) - dc.DrawText("a bitmap", 200, 85) - -## dc.SetFont(wx.Font(14, wx.SWISS, wx.NORMAL, wx.NORMAL)) -## dc.SetTextForeground("BLACK") -## dc.DrawText("TEST this STRING", 10, 200) -## print dc.GetFullTextExtent("TEST this STRING") - - font = wx.Font(20, wx.SWISS, wx.NORMAL, wx.NORMAL) - dc.SetFont(font) - dc.SetTextForeground(wx.BLACK) - - for a in range(0, 360, 45): - dc.DrawRotatedText("Rotated text...", 300, 300, a) - - dc.SetPen(wx.TRANSPARENT_PEN) - dc.SetBrush(wx.BLUE_BRUSH) - dc.DrawRectangle(50,500, 50,50) - dc.DrawRectangle(100,500, 50,50) - - dc.SetPen(wx.Pen('RED')) - dc.DrawEllipticArc(200,500, 50,75, 0, 90) - - if not printing: - # This has troubles when used on a print preview in wxGTK, - # probably something to do with the pen styles and the scaling - # it does... - y = 20 - - for style in [wx.DOT, wx.LONG_DASH, wx.SHORT_DASH, wx.DOT_DASH, wx.USER_DASH]: - pen = wx.Pen("DARK ORCHID", 1, style) - if style == wx.USER_DASH: - pen.SetCap(wx.CAP_BUTT) - pen.SetDashes([1,2]) - pen.SetColour("RED") - dc.SetPen(pen) - dc.DrawLine(300,y, 400,y) - y = y + 10 - - dc.SetBrush(wx.TRANSPARENT_BRUSH) - dc.SetPen(wx.Pen(wx.Colour(0xFF, 0x20, 0xFF), 1, wx.SOLID)) - dc.DrawRectangle(450,50, 100,100) - old_pen = dc.GetPen() - new_pen = wx.Pen("BLACK", 5) - dc.SetPen(new_pen) - dc.DrawRectangle(470,70, 60,60) - dc.SetPen(old_pen) - dc.DrawRectangle(490,90, 20,20) - - dc.GradientFillLinear((20, 260, 50, 50), - "red", "blue") - dc.GradientFillConcentric((20, 325, 50, 50), - "red", "blue", (25,25)) - self.DrawSavedLines(dc) - dc.EndDrawing() - - - def DrawSavedLines(self, dc): - dc.SetPen(wx.Pen('MEDIUM FOREST GREEN', 4)) - - for line in self.lines: - for coords in line: - apply(dc.DrawLine, coords) - - - def SetXY(self, event): - self.x, self.y = self.ConvertEventCoords(event) - - def ConvertEventCoords(self, event): - newpos = self.CalcUnscrolledPosition(event.GetX(), event.GetY()) - return newpos - - def OnLeftButtonEvent(self, event): - if event.LeftDown(): - self.SetFocus() - self.SetXY(event) - self.curLine = [] - self.CaptureMouse() - self.drawing = True - - elif event.Dragging() and self.drawing: - if BUFFERED: - # If doing buffered drawing we'll just update the - # buffer here and then refresh that portion of the - # window, then that portion of the buffer will be - # redrawn in the EVT_PAINT handler. - dc = wx.BufferedDC(None, self.buffer) - else: - # otherwise we'll draw directly to a wx.ClientDC - dc = wx.ClientDC(self) - self.PrepareDC(dc) - - dc.SetPen(wx.Pen('MEDIUM FOREST GREEN', 4)) - coords = (self.x, self.y) + self.ConvertEventCoords(event) - self.curLine.append(coords) - dc.DrawLine(*coords) - self.SetXY(event) - - if BUFFERED: - # figure out what part of the window to refresh - x1,y1, x2,y2 = dc.GetBoundingBox() - x1,y1 = self.CalcScrolledPosition(x1, y1) - x2,y2 = self.CalcScrolledPosition(x2, y2) - # make a rectangle - rect = wx.Rect() - rect.SetTopLeft((x1,y1)) - rect.SetBottomRight((x2,y2)) - rect.Inflate(2,2) - # refresh it - self.RefreshRect(rect) - - elif event.LeftUp() and self.drawing: - self.lines.append(self.curLine) - self.curLine = [] - self.ReleaseMouse() - self.drawing = False - - -## This is an example of what to do for the EVT_MOUSEWHEEL event, -## but since wx.ScrolledWindow does this already it's not -## necessary to do it ourselves. You would need to add an event table -## entry to __init__() to direct wheelmouse events to this handler. - -## wheelScroll = 0 -## def OnWheel(self, evt): -## delta = evt.GetWheelDelta() -## rot = evt.GetWheelRotation() -## linesPer = evt.GetLinesPerAction() -## print delta, rot, linesPer -## ws = self.wheelScroll -## ws = ws + rot -## lines = ws / delta -## ws = ws - lines * delta -## self.wheelScroll = ws -## if lines != 0: -## lines = lines * linesPer -## vsx, vsy = self.GetViewStart() -## scrollTo = vsy - lines -## self.Scroll(-1, scrollTo) - -#--------------------------------------------------------------------------- - -def runTest(frame, nb, log): - win = MyCanvas(nb) - return win - -#--------------------------------------------------------------------------- - - - -overview = """ - - -The wx.ScrolledWindow class manages scrolling for its client area, transforming the -coordinates according to the scrollbar positions, and setting the scroll positions, -thumb sizes and ranges according to the area in view. - - -""" - - -if __name__ == '__main__': - import sys,os - import run - run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:]) -