self.SetBackgroundColour(wxWHITE)
self.lines = []
self.x = self.y = 0
- self.SetCursor(wxStockCursor(wxCURSOR_PENCIL))
+ self.SetMode("Draw")
EVT_LEFT_DOWN(self, self.OnLeftDown)
EVT_LEFT_UP(self, self.OnLeftUp)
EVT_PAINT(self, self.OnPaint)
+ def SetMode(self, mode):
+ self.mode = mode
+ if self.mode == "Draw":
+ self.SetCursor(wxStockCursor(wxCURSOR_PENCIL))
+ else:
+ self.SetCursor(wxSTANDARD_CURSOR)
+
+
def OnPaint(self, event):
dc = wxPaintDC(self)
self.DrawSavedLines(dc)
def OnLeftDown(self, event):
- if event.ControlDown():
+ if self.mode == "Drag":
self.StartDragOpperation()
- else:
+ elif self.mode == "Draw":
self.curLine = []
self.x, self.y = event.GetPositionTuple()
self.CaptureMouse()
+ else:
+ wxBell()
+ self.log.write("unknown mode!\n")
def OnLeftUp(self, event):
self.Refresh()
def OnMotion(self, event):
- if event.Dragging() and not event.ControlDown():
+ if event.Dragging() and not self.mode == "Drag":
dc = wxClientDC(self)
dc.BeginDrawing()
dc.SetPen(wxPen(wxBLUE, 3))
dropSource = wxDropSource(self)
dropSource.SetData(data)
self.log.WriteText("Begining DragDrop\n")
- result = dropSource.DoDragDrop()
+ result = dropSource.DoDragDrop(wxDrag_AllowMove)
self.log.WriteText("DragDrop completed: %d\n" % result)
-
+ if result == wxDragMove:
+ self.lines = []
+ self.Refresh()
#----------------------------------------------------------------------
self.dv = window
# specify the type of data we will accept
- self.data = wxCustomDataObject(wxCustomDataFormat("DoodleLines"))
+ self.df = wxCustomDataFormat("DoodleLines")
+ self.data = wxCustomDataObject(self.df)
self.SetDataObject(self.data)
# some virtual methods that track the progress of the drag
def OnEnter(self, x, y, d):
self.log.WriteText("OnEnter: %d, %d, %d\n" % (x, y, d))
- return wxDragCopy
+ return d
+
def OnLeave(self):
self.log.WriteText("OnLeave\n")
+
def OnDrop(self, x, y):
self.log.WriteText("OnDrop: %d %d\n" % (x, y))
- return true
- #def OnDragOver(self, x, y, d):
- # self.log.WriteText("OnDragOver: %d, %d, %d\n" % (x, y, d))
- # return wxDragCopy
+ return True
+ def OnDragOver(self, x, y, d):
+ #self.log.WriteText("OnDragOver: %d, %d, %d\n" % (x, y, d))
- # Called when OnDrop returns true. We need to get the data and
+ # The value returned here tells the source what kind of visual
+ # feedback to give. For example, if wxDragCopy is returned then
+ # only the copy cursor will be shown, even if the source allows
+ # moves. You can use the passed in (x,y) to determine what kind
+ # of feedback to give. In this case we return the suggested value
+ # which is based on whether the Ctrl key is pressed.
+ return d
+
+
+
+ # Called when OnDrop returns True. We need to get the data and
# do something with it.
def OnData(self, x, y, d):
self.log.WriteText("OnData: %d, %d, %d\n" % (x, y, d))
- # copy the data from the drag source to out data object
+ # copy the data from the drag source to our data object
if self.GetData():
# convert it back to a list of lines and give it to the viewer
linesdata = self.data.GetData()
lines = cPickle.loads(linesdata)
self.dv.SetLines(lines)
- return d
+ return d # what is returned signals the source what to do
+ # with the original data (move, copy, etc.) In this
+ # case we just return the suggested value given to us.
self.SetDropTarget(dt)
EVT_PAINT(self, self.OnPaint)
+
def SetLines(self, lines):
self.lines = lines
self.Refresh()
def __init__(self, parent, log):
wxPanel.__init__(self, parent, -1)
- self.SetFont(wxFont(10, wxSWISS, wxNORMAL, wxBOLD, false))
+ self.SetFont(wxFont(10, wxSWISS, wxNORMAL, wxBOLD, False))
- sizer = wxBoxSizer(wxHORIZONTAL)
- text = wxStaticText(self, -1,
+ # Make the controls
+ text1 = wxStaticText(self, -1,
"Draw a little picture in this window\n"
- "then Ctrl-Drag it to the lower \n"
- "window or to another application\n"
- "that accepts BMP's as a drop target.\n\n"
- "The lower window is accepting a\n"
- "custom data type that is a pickled\n"
- "Python list of lines data.")
- sizer.Add(text, 1, wxALL, 10)
-
- insizer = wxBoxSizer(wxVERTICAL)
- insizer.Add(DoodlePad(self, log), 1, wxEXPAND|wxALL, 5)
- insizer.Add(DoodleViewer(self, log), 1, wxEXPAND|wxALL, 5)
-
- sizer.Add(insizer, 1, wxEXPAND)
- self.SetAutoLayout(true)
+ "then switch the mode below and drag the\n"
+ "picture to the lower window or to another\n"
+ "application that accepts BMP's as a drop\n"
+ "target.\n"
+ )
+
+ rb1 = wxRadioButton(self, -1, "Draw", style=wxRB_GROUP)
+ rb1.SetValue(True)
+ rb2 = wxRadioButton(self, -1, "Drag")
+ rb2.SetValue(False)
+
+ text2 = wxStaticText(self, -1,
+ "The lower window is accepting a\n"
+ "custom data type that is a pickled\n"
+ "Python list of lines data.")
+
+ self.pad = DoodlePad(self, log)
+ view = DoodleViewer(self, log)
+
+ # put them in sizers
+ sizer = wxBoxSizer(wxHORIZONTAL)
+ box = wxBoxSizer(wxVERTICAL)
+ rbox = wxBoxSizer(wxHORIZONTAL)
+
+ rbox.Add(rb1)
+ rbox.Add(rb2)
+ box.Add(text1, 0, wxALL, 10)
+ box.Add(rbox, 0, wxALIGN_CENTER)
+ box.Add(10,90)
+ box.Add(text2, 0, wxALL, 10)
+
+ sizer.Add(box)
+
+ dndsizer = wxBoxSizer(wxVERTICAL)
+ dndsizer.Add(self.pad, 1, wxEXPAND|wxALL, 5)
+ dndsizer.Add(view, 1, wxEXPAND|wxALL, 5)
+
+ sizer.Add(dndsizer, 1, wxEXPAND)
+
+ self.SetAutoLayout(True)
self.SetSizer(sizer)
+ # Events
+ EVT_RADIOBUTTON(self, rb1.GetId(), self.OnRadioButton)
+ EVT_RADIOBUTTON(self, rb2.GetId(), self.OnRadioButton)
+
+ def OnRadioButton(self, evt):
+ rb = self.FindWindowById(evt.GetId())
+ self.pad.SetMode(rb.GetLabel())
#----------------------------------------------------------------------
def __init__(self, parent, log):
wxPanel.__init__(self, parent, -1)
- self.SetAutoLayout(true)
+ self.SetAutoLayout(True)
sizer = wxBoxSizer(wxVERTICAL)
msg = "Custom Drag-And-Drop"
text = wxStaticText(self, -1, "", style=wxALIGN_CENTRE)
- text.SetFont(wxFont(24, wxSWISS, wxNORMAL, wxBOLD, false))
+ text.SetFont(wxFont(24, wxSWISS, wxNORMAL, wxBOLD, False))
text.SetLabel(msg)
w,h = text.GetTextExtent(msg)
text.SetSize(wxSize(w,h+1))
#----------------------------------------------------------------------
def runTest(frame, nb, log):
- win = TestPanel(nb, log)
+ #win = TestPanel(nb, log)
+ win = CustomDnDPanel(nb, log)
return win
class TestApp(wxApp):
def OnInit(self):
+ wxInitAllImageHandlers()
self.MakeFrame()
- return true
+ return True
def MakeFrame(self, event=None):
frame = wxFrame(None, -1, "Custom Drag and Drop", size=(550,400))
frame.SetMenuBar(mb)
EVT_MENU(frame, 6543, self.MakeFrame)
panel = TestPanel(frame, DummyLog())
- frame.Show(true)
+ frame.Show(True)
self.SetTopWindow(frame)
#----------------------------------------------------------------------
+overview = """<html><body>
+This demo shows Drag and Drop using a custom data type and a custom
+data object. A type called "DoodleLines" is created and a Python
+Pickle of a list is actually transfered in the drag and drop
+opperation.
+A second data object is also created containing a bitmap of the image
+and is made available to any drop target that accepts bitmaps, such as
+MS Word.
+The two data objects are combined in a wxDataObjectComposite and the
+rest is handled by the framework.
+</body></html>
+"""
-
-
-
-
-
-overview = """\
-This demo shows Drag and Drop using a custom data type and a custom data object. A type called "DoodleLines" is created and a Python Pickle of a list is actually transfered in the drag and drop opperation.
-
-A second data object is also created containing a bitmap of the image and is made available to any drop target that accepts bitmaps, such as MS Word.
-
-The two data objects are combined in a wxDataObjectComposite and the rest is handled by the framework.
-"""
-
projects / wxWidgets.git / blobdiff