| 1 | |
| 2 | from wxPython.wx import * |
| 3 | from wxPython.ogl import * |
| 4 | |
| 5 | import images |
| 6 | |
| 7 | #---------------------------------------------------------------------- |
| 8 | # This creates some pens and brushes that the OGL library uses. |
| 9 | |
| 10 | wxOGLInitialize() |
| 11 | |
| 12 | #---------------------------------------------------------------------- |
| 13 | |
| 14 | class DiamondShape(wxPolygonShape): |
| 15 | def __init__(self, w=0.0, h=0.0): |
| 16 | wxPolygonShape.__init__(self) |
| 17 | if w == 0.0: |
| 18 | w = 60.0 |
| 19 | if h == 0.0: |
| 20 | h = 60.0 |
| 21 | |
| 22 | ## Either wxRealPoints or 2-tuples of floats works. |
| 23 | |
| 24 | #points = [ wxRealPoint(0.0, -h/2.0), |
| 25 | # wxRealPoint(w/2.0, 0.0), |
| 26 | # wxRealPoint(0.0, h/2.0), |
| 27 | # wxRealPoint(-w/2.0, 0.0), |
| 28 | # ] |
| 29 | points = [ (0.0, -h/2.0), |
| 30 | (w/2.0, 0.0), |
| 31 | (0.0, h/2.0), |
| 32 | (-w/2.0, 0.0), |
| 33 | ] |
| 34 | |
| 35 | self.Create(points) |
| 36 | |
| 37 | |
| 38 | #---------------------------------------------------------------------- |
| 39 | |
| 40 | class RoundedRectangleShape(wxRectangleShape): |
| 41 | def __init__(self, w=0.0, h=0.0): |
| 42 | wxRectangleShape.__init__(self, w, h) |
| 43 | self.SetCornerRadius(-0.3) |
| 44 | |
| 45 | |
| 46 | #---------------------------------------------------------------------- |
| 47 | |
| 48 | class DividedShape(wxDividedShape): |
| 49 | def __init__(self, width, height, canvas): |
| 50 | wxDividedShape.__init__(self, width, height) |
| 51 | |
| 52 | region1 = wxShapeRegion() |
| 53 | region1.SetText('wxDividedShape') |
| 54 | region1.SetProportions(0.0, 0.2) |
| 55 | region1.SetFormatMode(FORMAT_CENTRE_HORIZ) |
| 56 | self.AddRegion(region1) |
| 57 | |
| 58 | region2 = wxShapeRegion() |
| 59 | region2.SetText('This is Region number two.') |
| 60 | region2.SetProportions(0.0, 0.3) |
| 61 | region2.SetFormatMode(FORMAT_CENTRE_HORIZ|FORMAT_CENTRE_VERT) |
| 62 | self.AddRegion(region2) |
| 63 | |
| 64 | region3 = wxShapeRegion() |
| 65 | region3.SetText('Region 3\nwith embedded\nline breaks') |
| 66 | region3.SetProportions(0.0, 0.5) |
| 67 | region3.SetFormatMode(FORMAT_NONE) |
| 68 | self.AddRegion(region3) |
| 69 | |
| 70 | self.SetRegionSizes() |
| 71 | self.ReformatRegions(canvas) |
| 72 | |
| 73 | |
| 74 | def ReformatRegions(self, canvas=None): |
| 75 | rnum = 0 |
| 76 | if canvas is None: |
| 77 | canvas = self.GetCanvas() |
| 78 | dc = wxClientDC(canvas) # used for measuring |
| 79 | for region in self.GetRegions(): |
| 80 | text = region.GetText() |
| 81 | self.FormatText(dc, text, rnum) |
| 82 | rnum += 1 |
| 83 | |
| 84 | |
| 85 | def OnSizingEndDragLeft(self, pt, x, y, keys, attch): |
| 86 | self.base_OnSizingEndDragLeft(pt, x, y, keys, attch) |
| 87 | self.SetRegionSizes() |
| 88 | self.ReformatRegions() |
| 89 | self.GetCanvas().Refresh() |
| 90 | |
| 91 | |
| 92 | #---------------------------------------------------------------------- |
| 93 | |
| 94 | class MyEvtHandler(wxShapeEvtHandler): |
| 95 | def __init__(self, log, frame): |
| 96 | wxShapeEvtHandler.__init__(self) |
| 97 | self.log = log |
| 98 | self.statbarFrame = frame |
| 99 | |
| 100 | def UpdateStatusBar(self, shape): |
| 101 | x,y = shape.GetX(), shape.GetY() |
| 102 | width, height = shape.GetBoundingBoxMax() |
| 103 | self.statbarFrame.SetStatusText("Pos: (%d,%d) Size: (%d, %d)" % |
| 104 | (x, y, width, height)) |
| 105 | |
| 106 | |
| 107 | def OnLeftClick(self, x, y, keys = 0, attachment = 0): |
| 108 | shape = self.GetShape() |
| 109 | print shape.__class__, shape.GetClassName() |
| 110 | canvas = shape.GetCanvas() |
| 111 | dc = wxClientDC(canvas) |
| 112 | canvas.PrepareDC(dc) |
| 113 | |
| 114 | if shape.Selected(): |
| 115 | shape.Select(False, dc) |
| 116 | canvas.Redraw(dc) |
| 117 | else: |
| 118 | redraw = False |
| 119 | shapeList = canvas.GetDiagram().GetShapeList() |
| 120 | toUnselect = [] |
| 121 | for s in shapeList: |
| 122 | if s.Selected(): |
| 123 | # If we unselect it now then some of the objects in |
| 124 | # shapeList will become invalid (the control points are |
| 125 | # shapes too!) and bad things will happen... |
| 126 | toUnselect.append(s) |
| 127 | |
| 128 | shape.Select(True, dc) |
| 129 | |
| 130 | if toUnselect: |
| 131 | for s in toUnselect: |
| 132 | s.Select(False, dc) |
| 133 | canvas.Redraw(dc) |
| 134 | |
| 135 | self.UpdateStatusBar(shape) |
| 136 | |
| 137 | |
| 138 | def OnEndDragLeft(self, x, y, keys = 0, attachment = 0): |
| 139 | shape = self.GetShape() |
| 140 | self.base_OnEndDragLeft(x, y, keys, attachment) |
| 141 | if not shape.Selected(): |
| 142 | self.OnLeftClick(x, y, keys, attachment) |
| 143 | self.UpdateStatusBar(shape) |
| 144 | |
| 145 | |
| 146 | def OnSizingEndDragLeft(self, pt, x, y, keys, attch): |
| 147 | self.base_OnSizingEndDragLeft(pt, x, y, keys, attch) |
| 148 | self.UpdateStatusBar(self.GetShape()) |
| 149 | |
| 150 | |
| 151 | def OnMovePost(self, dc, x, y, oldX, oldY, display): |
| 152 | self.base_OnMovePost(dc, x, y, oldX, oldY, display) |
| 153 | self.UpdateStatusBar(self.GetShape()) |
| 154 | |
| 155 | |
| 156 | def OnRightClick(self, *dontcare): |
| 157 | self.log.WriteText("%s\n" % self.GetShape()) |
| 158 | |
| 159 | |
| 160 | #---------------------------------------------------------------------- |
| 161 | |
| 162 | class TestWindow(wxShapeCanvas): |
| 163 | def __init__(self, parent, log, frame): |
| 164 | wxShapeCanvas.__init__(self, parent) |
| 165 | |
| 166 | maxWidth = 1000 |
| 167 | maxHeight = 1000 |
| 168 | self.SetScrollbars(20, 20, maxWidth/20, maxHeight/20) |
| 169 | |
| 170 | self.log = log |
| 171 | self.frame = frame |
| 172 | self.SetBackgroundColour("LIGHT BLUE") #wxWHITE) |
| 173 | self.diagram = wxDiagram() |
| 174 | self.SetDiagram(self.diagram) |
| 175 | self.diagram.SetCanvas(self) |
| 176 | self.shapes = [] |
| 177 | self.save_gdi = [] |
| 178 | |
| 179 | rRectBrush = wxBrush("MEDIUM TURQUOISE", wxSOLID) |
| 180 | dsBrush = wxBrush("WHEAT", wxSOLID) |
| 181 | |
| 182 | self.MyAddShape(wxCircleShape(80), 100, 100, wxPen(wxBLUE, 3), wxGREEN_BRUSH, "Circle") |
| 183 | self.MyAddShape(wxRectangleShape(85, 50), 305, 60, wxBLACK_PEN, wxLIGHT_GREY_BRUSH, "Rectangle") |
| 184 | ds = self.MyAddShape(DividedShape(140, 150, self), 495, 145, wxBLACK_PEN, dsBrush, '') |
| 185 | self.MyAddShape(DiamondShape(90, 90), 345, 235, wxPen(wxBLUE, 3, wxDOT), wxRED_BRUSH, "Polygon") |
| 186 | self.MyAddShape(RoundedRectangleShape(95,70), 140, 255, wxPen(wxRED, 2), rRectBrush, "Rounded Rect") |
| 187 | |
| 188 | bmp = images.getTest2Bitmap() |
| 189 | mask = wxMaskColour(bmp, wxBLUE) |
| 190 | bmp.SetMask(mask) |
| 191 | |
| 192 | s = wxBitmapShape() |
| 193 | s.SetBitmap(bmp) |
| 194 | self.MyAddShape(s, 225, 150, None, None, "Bitmap") |
| 195 | |
| 196 | dc = wxClientDC(self) |
| 197 | self.PrepareDC(dc) |
| 198 | for x in range(len(self.shapes)): |
| 199 | fromShape = self.shapes[x] |
| 200 | if x+1 == len(self.shapes): |
| 201 | toShape = self.shapes[0] |
| 202 | else: |
| 203 | toShape = self.shapes[x+1] |
| 204 | line = wxLineShape() |
| 205 | line.SetCanvas(self) |
| 206 | line.SetPen(wxBLACK_PEN) |
| 207 | line.SetBrush(wxBLACK_BRUSH) |
| 208 | line.AddArrow(ARROW_ARROW) |
| 209 | line.MakeLineControlPoints(2) |
| 210 | fromShape.AddLine(line, toShape) |
| 211 | self.diagram.AddShape(line) |
| 212 | line.Show(True) |
| 213 | |
| 214 | # for some reason, the shapes have to be moved for the line to show up... |
| 215 | fromShape.Move(dc, fromShape.GetX(), fromShape.GetY()) |
| 216 | |
| 217 | EVT_WINDOW_DESTROY(self, self.OnDestroy) |
| 218 | |
| 219 | |
| 220 | def MyAddShape(self, shape, x, y, pen, brush, text): |
| 221 | shape.SetDraggable(True, True) |
| 222 | shape.SetCanvas(self) |
| 223 | shape.SetX(x) |
| 224 | shape.SetY(y) |
| 225 | if pen: shape.SetPen(pen) |
| 226 | if brush: shape.SetBrush(brush) |
| 227 | if text: shape.AddText(text) |
| 228 | #shape.SetShadowMode(SHADOW_RIGHT) |
| 229 | self.diagram.AddShape(shape) |
| 230 | shape.Show(True) |
| 231 | |
| 232 | evthandler = MyEvtHandler(self.log, self.frame) |
| 233 | evthandler.SetShape(shape) |
| 234 | evthandler.SetPreviousHandler(shape.GetEventHandler()) |
| 235 | shape.SetEventHandler(evthandler) |
| 236 | |
| 237 | self.shapes.append(shape) |
| 238 | return shape |
| 239 | |
| 240 | |
| 241 | def OnDestroy(self, evt): |
| 242 | # Do some cleanup |
| 243 | for shape in self.diagram.GetShapeList(): |
| 244 | if shape.GetParent() == None: |
| 245 | shape.SetCanvas(None) |
| 246 | shape.Destroy() |
| 247 | self.diagram.Destroy() |
| 248 | |
| 249 | |
| 250 | def OnBeginDragLeft(self, x, y, keys): |
| 251 | self.log.write("OnBeginDragLeft: %s, %s, %s\n" % (x, y, keys)) |
| 252 | |
| 253 | def OnEndDragLeft(self, x, y, keys): |
| 254 | self.log.write("OnEndDragLeft: %s, %s, %s\n" % (x, y, keys)) |
| 255 | |
| 256 | |
| 257 | #---------------------------------------------------------------------- |
| 258 | |
| 259 | def runTest(frame, nb, log): |
| 260 | win = TestWindow(nb, log, frame) |
| 261 | return win |
| 262 | |
| 263 | #---------------------------------------------------------------------- |
| 264 | |
| 265 | class __Cleanup: |
| 266 | cleanup = wxOGLCleanUp |
| 267 | def __del__(self): |
| 268 | self.cleanup() |
| 269 | |
| 270 | # when this module gets cleaned up then wxOGLCleanUp() will get called |
| 271 | __cu = __Cleanup() |
| 272 | |
| 273 | |
| 274 | |
| 275 | |
| 276 | |
| 277 | |
| 278 | |
| 279 | |
| 280 | overview = """\ |
| 281 | The Object Graphics Library is a library supporting the creation and |
| 282 | manipulation of simple and complex graphic images on a canvas. |
| 283 | |
| 284 | """ |
| 285 | |
| 286 | |
| 287 | |
| 288 | if __name__ == '__main__': |
| 289 | import sys,os |
| 290 | import run |
| 291 | run.main(['', os.path.basename(sys.argv[0])]) |
| 292 | |