X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/619d593006885e1b99ac77b0c8014871386d4d66..b4eecebd423df0c6efe86d7658cd3df818d67ed8:/wxPython/demo/PseudoDC.py?ds=sidebyside diff --git a/wxPython/demo/PseudoDC.py b/wxPython/demo/PseudoDC.py index a871b25d01..dff489a31e 100644 --- a/wxPython/demo/PseudoDC.py +++ b/wxPython/demo/PseudoDC.py @@ -5,12 +5,12 @@ import random #--------------------------------------------------------------------------- -W = 1000 -H = 1000 +W = 2000 +H = 2000 SW = 150 SH = 150 -SHAPE_COUNT = 100 -MOVING_COUNT = 10 +SHAPE_COUNT = 2500 +hitradius = 5 #--------------------------------------------------------------------------- @@ -65,66 +65,59 @@ class MyCanvas(wx.ScrolledWindow): self.Bind(wx.EVT_PAINT, self.OnPaint) self.Bind(wx.EVT_ERASE_BACKGROUND, lambda x:None) + self.Bind(wx.EVT_MOUSE_EVENTS, self.OnMouse) - # use timer to move one of the objects around - self.timer = wx.Timer() - self.timer.SetOwner(self) - self.Bind(wx.EVT_TIMER, self.OnTimer) - self.timer.Start(50) - self.movingids = random.sample(self.objids, MOVING_COUNT) - self.velocitydict = {} - for id in self.movingids: - vx = random.randint(1,5) * random.choice([-1,1]) - vy = random.randint(1,5) * random.choice([-1,1]) - self.velocitydict[id] = (vx,vy) - - def OnTimer(self, event): - # get the current position - xv, yv = self.GetViewStart() - dx, dy = self.GetScrollPixelsPerUnit() - x, y = (xv * dx, yv * dy) - w, h = self.GetClientSizeTuple() - clip = wx.Rect(x,y,w,h) - refreshed = False - for id in self.movingids: - r = self.pdc.GetIdBounds(id) - # get new object position - (vx,vy) = self.velocitydict[id] - x = r.x + vx - y = r.y + vy - # check for bounce - if x < 0: - x = -x - vx = -vx - if x >= W: - x = W - (x - W) - vx = -vx - if y < 0: - y = -y - vy = -vy - if y >= H: - y = H - (y - H) - vy = -vy - self.velocitydict[id] = (vx,vy) - # get change - dx = x - r.x - dy = y - r.y - # translate the object - self.pdc.TranslateId(id, dx, dy) - # redraw - r.x -= 20 - if dx < 0: - r.x = x - r.y -= 20 - if dy < 0: - r.y = y - r.width += abs(dx) + 40 - r.height += abs(dy) + 40 - if r.Intersects(clip): - r.x -= clip.x - r.y -= clip.y - refreshed = True + # vars for handling mouse clicks + self.dragid = -1 + self.lastpos = (0,0) + + def ConvertEventCoords(self, event): + xView, yView = self.GetViewStart() + xDelta, yDelta = self.GetScrollPixelsPerUnit() + return (event.GetX() + (xView * xDelta), + event.GetY() + (yView * yDelta)) + + def OffsetRect(self, r): + xView, yView = self.GetViewStart() + xDelta, yDelta = self.GetScrollPixelsPerUnit() + r.OffsetXY(-(xView*xDelta),-(yView*yDelta)) + + def OnMouse(self, event): + global hitradius + if event.LeftDown(): + x,y = self.ConvertEventCoords(event) + #l = self.pdc.FindObjectsByBBox(x, y) + l = self.pdc.FindObjects(x, y, hitradius) + for id in l: + if not self.pdc.GetIdGreyedOut(id): + self.dragid = id + self.lastpos = (event.GetX(),event.GetY()) + break + elif event.RightDown(): + x,y = self.ConvertEventCoords(event) + #l = self.pdc.FindObjectsByBBox(x, y) + l = self.pdc.FindObjects(x, y, hitradius) + if l: + self.pdc.SetIdGreyedOut(l[0], not self.pdc.GetIdGreyedOut(l[0])) + r = self.pdc.GetIdBounds(l[0]) + r.Inflate(4,4) + self.OffsetRect(r) self.RefreshRect(r, False) + elif event.Dragging() or event.LeftUp(): + if self.dragid != -1: + x,y = self.lastpos + dx = event.GetX() - x + dy = event.GetY() - y + r = self.pdc.GetIdBounds(self.dragid) + self.pdc.TranslateId(self.dragid, dx, dy) + r2 = self.pdc.GetIdBounds(self.dragid) + r = r.Union(r2) + r.Inflate(4,4) + self.OffsetRect(r) + self.RefreshRect(r, False) + self.lastpos = (event.GetX(),event.GetY()) + if event.LeftUp(): + self.dragid = -1 def RandomPen(self): c = random.choice(colours) @@ -150,12 +143,12 @@ class MyCanvas(wx.ScrolledWindow): # wx.PaintDC and then blit the bitmap to it when dc is # deleted. dc = wx.BufferedPaintDC(self) + # use PrepateDC to set position correctly + self.PrepareDC(dc) # we need to clear the dc BEFORE calling PrepareDC bg = wx.Brush(self.GetBackgroundColour()) dc.SetBackground(bg) dc.Clear() - # use PrepateDC to set position correctly - self.PrepareDC(dc) # create a clipping rect from our position and size # and the Update Region xv, yv = self.GetViewStart() @@ -179,26 +172,35 @@ class MyCanvas(wx.ScrolledWindow): if choice in (0,1): x = random.randint(0, W) y = random.randint(0, H) - dc.SetPen(self.RandomPen()) + pen = self.RandomPen() + dc.SetPen(pen) dc.DrawPoint(x,y) - dc.SetIdBounds(id,wx.Rect(x,y,1,1)) + r = wx.Rect(x,y,1,1) + r.Inflate(pen.GetWidth(),pen.GetWidth()) + dc.SetIdBounds(id,r) elif choice in (2,3): x1 = random.randint(0, W-SW) y1 = random.randint(0, H-SH) x2 = random.randint(x1, x1+SW) y2 = random.randint(y1, y1+SH) - dc.SetPen(self.RandomPen()) + pen = self.RandomPen() + dc.SetPen(pen) dc.DrawLine(x1,y1,x2,y2) - dc.SetIdBounds(id,wx.Rect(x1,y1,x2-x1,y2-y1)) + r = wx.Rect(x1,y1,x2-x1,y2-y1) + r.Inflate(pen.GetWidth(),pen.GetWidth()) + dc.SetIdBounds(id,r) elif choice in (4,5): w = random.randint(10, SW) h = random.randint(10, SH) x = random.randint(0, W - w) y = random.randint(0, H - h) - dc.SetPen(self.RandomPen()) + pen = self.RandomPen() + dc.SetPen(pen) dc.SetBrush(self.RandomBrush()) dc.DrawRectangle(x,y,w,h) - dc.SetIdBounds(id,wx.Rect(x,y,w,h)) + r = wx.Rect(x,y,w,h) + r.Inflate(pen.GetWidth(),pen.GetWidth()) + dc.SetIdBounds(id,r) self.objids.append(id) elif choice == 6: Np = 8 # number of characters in text @@ -210,10 +212,13 @@ class MyCanvas(wx.ScrolledWindow): w,h = self.GetFullTextExtent(word)[0:2] x = random.randint(0, W-w) y = random.randint(0, H-h) + dc.SetFont(self.GetFont()) dc.SetTextForeground(self.RandomColor()) dc.SetTextBackground(self.RandomColor()) dc.DrawText(word, x, y) - dc.SetIdBounds(id,wx.Rect(x,y,w,h)) + r = wx.Rect(x,y,w,h) + r.Inflate(2,2) + dc.SetIdBounds(id, r) self.objids.append(id) elif choice == 7: Np = 8 # number of points per polygon @@ -232,10 +237,13 @@ class MyCanvas(wx.ScrolledWindow): poly.append(wx.Point(x,y)) x = random.randint(0, W-SW) y = random.randint(0, H-SH) - dc.SetPen(self.RandomPen()) + pen = self.RandomPen() + dc.SetPen(pen) dc.SetBrush(self.RandomBrush()) dc.DrawPolygon(poly, x,y) - dc.SetIdBounds(id,wx.Rect(minx+x,miny+y,maxx-minx+x,maxy-miny+y)) + r = wx.Rect(minx+x,miny+y,maxx-minx,maxy-miny) + r.Inflate(pen.GetWidth(),pen.GetWidth()) + dc.SetIdBounds(id,r) self.objids.append(id) elif choice == 8: w,h = self.bmp.GetSize() @@ -246,15 +254,42 @@ class MyCanvas(wx.ScrolledWindow): self.objids.append(id) dc.EndDrawing() - def ShutdownDemo(self): - self.timer.Stop() - del self.timer +class ControlPanel(wx.Panel): + def __init__(self, parent, id, pos=wx.DefaultPosition, + size=wx.DefaultSize, style = wx.TAB_TRAVERSAL): + wx.Panel.__init__(self,parent,id,pos,size,style) + lbl = wx.StaticText(self, wx.ID_ANY, "Hit Test Radius: ") + lbl2 = wx.StaticText(self, wx.ID_ANY, "Left Click to drag, Right Click to enable/disable") + sc = wx.SpinCtrl(self, wx.ID_ANY, "5") + sc.SetRange(0,100) + global hitradius + sc.SetValue(hitradius) + self.sc = sc + sz = wx.BoxSizer(wx.HORIZONTAL) + sz.Add(lbl,0,wx.EXPAND) + sz.Add(sc,0) + sz.Add(lbl2,0,wx.LEFT,5) + sz.Add((10,10),1,wx.EXPAND) + self.SetSizerAndFit(sz) + sc.Bind(wx.EVT_SPINCTRL,self.OnChange) + sc.Bind(wx.EVT_TEXT,self.OnChange) + + def OnChange(self, event): + global hitradius + hitradius = self.sc.GetValue() + #--------------------------------------------------------------------------- def runTest(frame, nb, log): - win = MyCanvas(nb, wx.ID_ANY, log) - return win + pnl = wx.Panel(nb, wx.ID_ANY,size=(200,30)) + pnl2 = ControlPanel(pnl,wx.ID_ANY) + win = MyCanvas(pnl, wx.ID_ANY, log) + sz = wx.BoxSizer(wx.VERTICAL) + sz.Add(pnl2,0,wx.EXPAND|wx.ALL,5) + sz.Add(win,1,wx.EXPAND) + pnl.SetSizerAndFit(sz) + return pnl #---------------------------------------------------------------------------