X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f6bcfd974ef26faf6f91a62cac09827e09463fd1..71aba8333cc915afff9e740c944f7fa7247abacb:/wxPython/demo/CustomDragAndDrop.py?ds=sidebyside diff --git a/wxPython/demo/CustomDragAndDrop.py b/wxPython/demo/CustomDragAndDrop.py index eb33d57f3d..3fb49e5d02 100644 --- a/wxPython/demo/CustomDragAndDrop.py +++ b/wxPython/demo/CustomDragAndDrop.py @@ -13,7 +13,7 @@ class DoodlePad(wxWindow): 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) @@ -22,6 +22,14 @@ class DoodlePad(wxWindow): 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) @@ -36,12 +44,15 @@ class DoodlePad(wxWindow): 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): @@ -54,7 +65,7 @@ class DoodlePad(wxWindow): 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)) @@ -96,9 +107,11 @@ class DoodlePad(wxWindow): 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() #---------------------------------------------------------------------- @@ -111,36 +124,50 @@ class DoodleDropTarget(wxPyDropTarget): 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. @@ -156,6 +183,7 @@ class DoodleViewer(wxWindow): self.SetDropTarget(dt) EVT_PAINT(self, self.OnPaint) + def SetLines(self, lines): self.lines = lines self.Refresh() @@ -178,28 +206,61 @@ class CustomDnDPanel(wxPanel): 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()) #---------------------------------------------------------------------- @@ -209,12 +270,12 @@ class TestPanel(wxPanel): 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)) @@ -230,7 +291,8 @@ class TestPanel(wxPanel): #---------------------------------------------------------------------- def runTest(frame, nb, log): - win = TestPanel(nb, log) + #win = TestPanel(nb, log) + win = CustomDnDPanel(nb, log) return win @@ -242,8 +304,9 @@ if __name__ == '__main__': 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)) @@ -254,7 +317,7 @@ if __name__ == '__main__': frame.SetMenuBar(mb) EVT_MENU(frame, 6543, self.MakeFrame) panel = TestPanel(frame, DummyLog()) - frame.Show(true) + frame.Show(True) self.SetTopWindow(frame) @@ -265,21 +328,20 @@ if __name__ == '__main__': #---------------------------------------------------------------------- +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. + +""" - - - - - -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. -""" -