Win16 cursor/icon functions are not needed any longer

[wxWidgets.git] / wxPython / demo / wxDragImage.py

diff --git a/wxPython/demo/wxDragImage.py b/wxPython/demo/wxDragImage.py
index a74a072699f6e61277abd500eef3ca577ff440a4..7ab24df8b9107650e9da5cde04498bdadebef7b6 100644 (file)
--- a/wxPython/demo/wxDragImage.py
+++ b/wxPython/demo/wxDragImage.py
@@ -47,6 +47,7 @@ class DragCanvas(wxScrolledWindow):
         self.shapes = []
         self.dragImage = None
         self.dragShape = None
         self.shapes = []
         self.dragImage = None
         self.dragShape = None

+        self.hiliteShape = None

 
         self.SetCursor(wxStockCursor(wxCURSOR_ARROW))
         self.bg_bmp = images.getBackgroundBitmap()
 
         self.SetCursor(wxStockCursor(wxCURSOR_ARROW))
         self.bg_bmp = images.getBackgroundBitmap()


@@ -55,8 +56,6 @@ class DragCanvas(wxScrolledWindow):
         # Make a shape from an image and mask.  This one will demo
         # dragging outside the window
         bmp = images.getTestStarBitmap()
         # Make a shape from an image and mask.  This one will demo
         # dragging outside the window
         bmp = images.getTestStarBitmap()

-        #mask = wxMaskColour(bmp, wxWHITE)
-        #bmp.SetMask(mask)

         shape = DragShape(bmp)
         shape.pos = wxPoint(5, 5)
         shape.fullscreen = true
         shape = DragShape(bmp)
         shape.pos = wxPoint(5, 5)
         shape.fullscreen = true


@@ -65,18 +64,19 @@ class DragCanvas(wxScrolledWindow):
 
         # Make a shape from some text
         text = "Some Text"
 
         # Make a shape from some text
         text = "Some Text"

+        bg_colour = wxColour(57, 115, 57)  # matches the bg image

         font = wxFont(15, wxROMAN, wxNORMAL, wxBOLD)
         textExtent = self.GetFullTextExtent(text, font)
         bmp = wxEmptyBitmap(textExtent[0], textExtent[1])
         dc = wxMemoryDC()
         dc.SelectObject(bmp)
         font = wxFont(15, wxROMAN, wxNORMAL, wxBOLD)
         textExtent = self.GetFullTextExtent(text, font)
         bmp = wxEmptyBitmap(textExtent[0], textExtent[1])
         dc = wxMemoryDC()
         dc.SelectObject(bmp)

+        dc.SetBackground(wxBrush(bg_colour, wxSOLID))

         dc.Clear()
         dc.SetTextForeground(wxRED)
         dc.SetFont(font)
         dc.DrawText(text, 0, 0)
         dc.SelectObject(wxNullBitmap)
         dc.Clear()
         dc.SetTextForeground(wxRED)
         dc.SetFont(font)
         dc.DrawText(text, 0, 0)
         dc.SelectObject(wxNullBitmap)

-        del dc
-        mask = wxMaskColour(bmp, wxWHITE)
+        mask = wxMaskColour(bmp, bg_colour)

         bmp.SetMask(mask)
         shape = DragShape(bmp)
         shape.pos = wxPoint(5, 100)
         bmp.SetMask(mask)
         shape = DragShape(bmp)
         shape.pos = wxPoint(5, 100)


@@ -100,8 +100,12 @@ class DragCanvas(wxScrolledWindow):
         EVT_LEFT_DOWN(self, self.OnLeftDown)
         EVT_LEFT_UP(self, self.OnLeftUp)
         EVT_MOTION(self, self.OnMotion)
         EVT_LEFT_DOWN(self, self.OnLeftDown)
         EVT_LEFT_UP(self, self.OnLeftUp)
         EVT_MOTION(self, self.OnMotion)

+        EVT_LEAVE_WINDOW(self, self.OnLeaveWindow)

 
 
 
 

+    def OnLeaveWindow(self, evt):
+        pass
+

 
     def TileBackground(self, dc):
         # tile the background bitmap
 
     def TileBackground(self, dc):
         # tile the background bitmap


@@ -139,12 +143,12 @@ class DragCanvas(wxScrolledWindow):
         dc.DestroyClippingRegion()
 
 
         dc.DestroyClippingRegion()
 
 

-
-

     def OnEraseBackground(self, evt):
         dc = evt.GetDC()
         if not dc:
             dc = wxClientDC(self)
     def OnEraseBackground(self, evt):
         dc = evt.GetDC()
         if not dc:
             dc = wxClientDC(self)

+            rect = self.GetUpdateRegion().GetBox()
+            dc.SetClippingRegion(rect.x, rect.y, rect.width, rect.height)

         self.TileBackground(dc)
 
 
         self.TileBackground(dc)
 
 


@@ -174,13 +178,13 @@ class DragCanvas(wxScrolledWindow):
         self.dragImage.EndDrag()
         self.dragImage = None
 
         self.dragImage.EndDrag()
         self.dragImage = None
 

-        # reposition and draw the shape
-        pt = evt.GetPosition()
-        newPos = wxPoint(self.dragShape.pos.x + (pt.x - self.dragStartPos.x),
-                         self.dragShape.pos.y + (pt.y - self.dragStartPos.y))
-

         dc = wxClientDC(self)
         dc = wxClientDC(self)

-        self.dragShape.pos = newPos
+        if self.hiliteShape:
+            self.hiliteShape.Draw(dc)
+            self.hiliteShape = None
+
+        # reposition and draw the shape
+        self.dragShape.pos = self.dragShape.pos + evt.GetPosition() - self.dragStartPos

         self.dragShape.shown = true
         self.dragShape.Draw(dc)
         self.dragShape = None
         self.dragShape.shown = true
         self.dragShape.Draw(dc)
         self.dragShape = None


@@ -194,13 +198,19 @@ class DragCanvas(wxScrolledWindow):
         if self.dragShape and not self.dragImage:
 
             # only start the drag after having moved a couple pixels
         if self.dragShape and not self.dragImage:
 
             # only start the drag after having moved a couple pixels

-            tolerance = 4
+            tolerance = 2

             pt = evt.GetPosition()
             dx = abs(pt.x - self.dragStartPos.x)
             dy = abs(pt.y - self.dragStartPos.y)
             if dx <= tolerance and dy <= tolerance:
                 return
 
             pt = evt.GetPosition()
             dx = abs(pt.x - self.dragStartPos.x)
             dy = abs(pt.y - self.dragStartPos.y)
             if dx <= tolerance and dy <= tolerance:
                 return
 

+            # erase the shape since it will be drawn independently now
+            dc = wxClientDC(self)
+            self.dragShape.shown = false
+            self.EraseShape(self.dragShape, dc)
+
+

             if self.dragShape.text:
                 self.dragImage = wxDragString(self.dragShape.text,
                                               wxStockCursor(wxCURSOR_HAND))
             if self.dragShape.text:
                 self.dragImage = wxDragString(self.dragShape.text,
                                               wxStockCursor(wxCURSOR_HAND))


@@ -208,40 +218,54 @@ class DragCanvas(wxScrolledWindow):
                 self.dragImage = wxDragImage(self.dragShape.bmp,
                                              wxStockCursor(wxCURSOR_HAND))
 
                 self.dragImage = wxDragImage(self.dragShape.bmp,
                                              wxStockCursor(wxCURSOR_HAND))
 

-            newPos = wxPoint(self.dragShape.pos.x + (pt.x - self.dragStartPos.x),
-                             self.dragShape.pos.y + (pt.y - self.dragStartPos.y))
+            hotspot = self.dragStartPos - self.dragShape.pos
+            self.dragImage.BeginDrag(hotspot, self, self.dragShape.fullscreen)

 
 

-            if self.dragShape.fullscreen:
-                newPos = self.ClientToScreen(newPos)
-                self.dragImage.BeginDrag((0,0), self, true)
-            else:
-                self.dragImage.BeginDrag((0,0), self)
+            self.dragImage.Move(pt)
+            self.dragImage.Show()

 
 
 
 

-            # erase the shape since it will be drawn independently now
-            dc = wxClientDC(self)
-            self.dragShape.shown = false
-            self.EraseShape(self.dragShape, dc)
+        # if we have shape and image then move it, posibly highlighting another shape.
+        elif self.dragShape and self.dragImage:
+            onShape = self.FindShape(evt.GetPosition())
+            unhiliteOld = false
+            hiliteNew = false

 
 

-            self.dragImage.Move(newPos)
-            self.dragImage.Show()
+            # figure out what to hilite and what to unhilite
+            if self.hiliteShape:
+                if onShape is None or self.hiliteShape is not onShape:
+                    unhiliteOld = true

 
 

+            if onShape and onShape is not self.hiliteShape and onShape.shown:
+                hiliteNew = TRUE

 
 

-        # if we have shape and image then move it.
-        elif self.dragShape and self.dragImage:
-            pt = evt.GetPosition()
-            newPos = wxPoint(self.dragShape.pos.x + (pt.x - self.dragStartPos.x),
-                             self.dragShape.pos.y + (pt.y - self.dragStartPos.y))
-            if self.dragShape.fullscreen:
-                newPos = self.ClientToScreen(newPos)
+            # if needed, hide the drag image so we can update the window
+            if unhiliteOld or hiliteNew:
+                self.dragImage.Hide()
+
+            if unhiliteOld:
+                dc = wxClientDC(self)
+                self.hiliteShape.Draw(dc)
+                self.hiliteShape = None
+
+            if hiliteNew:
+                dc = wxClientDC(self)
+                self.hiliteShape = onShape
+                self.hiliteShape.Draw(dc, wxINVERT)

 
 

-            self.dragImage.Move(newPos)
+            # now move it and show it again if needed
+            self.dragImage.Move(evt.GetPosition())
+            if unhiliteOld or hiliteNew:
+                self.dragImage.Show()

 
 
 #----------------------------------------------------------------------
 
 def runTest(frame, nb, log):
 
 
 #----------------------------------------------------------------------
 
 def runTest(frame, nb, log):

-    win = DragCanvas(nb, -1)
+    win = wxPanel(nb, -1)
+    canvas = DragCanvas(win, -1)
+    def onSize(evt, panel=win, canvas=canvas): canvas.SetSize(panel.GetSize())
+    EVT_SIZE(win, onSize)

     return win
 
 #----------------------------------------------------------------------
     return win
 
 #----------------------------------------------------------------------