Reduce flicker in the demo when image is dragged out of the frame

[wxWidgets.git] / wxPython / demo / wxStyledTextCtrl_1.py

diff --git a/wxPython/demo/wxStyledTextCtrl_1.py b/wxPython/demo/wxStyledTextCtrl_1.py
index 76aba88b50cb9b6e72eca5ed589f533feaaee95f..4cbdddfecba8a7624f03a3beed39e72ccdcda6b1 100644 (file)
--- a/wxPython/demo/wxStyledTextCtrl_1.py
+++ b/wxPython/demo/wxStyledTextCtrl_1.py
@@ -4,6 +4,9 @@ from wxPython.stc import *
 
 #----------------------------------------------------------------------
 
+debug = 1
+
+
 demoText = """\
 
 This editor is provided by a class named wxStyledTextCtrl.  As
@@ -36,7 +39,7 @@ if wxPlatform == '__WXMSW__':
     face1 = 'Arial'
     face2 = 'Times New Roman'
     face3 = 'Courier New'
-    pb = 6
+    pb = 10
 else:
     face1 = 'Helvetica'
     face2 = 'Times'
@@ -52,9 +55,48 @@ class MySTC(wxStyledTextCtrl):
         wxStyledTextCtrl.__init__(self, parent, ID)
         self.log = log
 
+        EVT_STC_DO_DROP(self, ID, self.OnDoDrop)
+        EVT_STC_DRAG_OVER(self, ID, self.OnDragOver)
+        EVT_STC_START_DRAG(self, ID, self.OnStartDrag)
         EVT_STC_MODIFIED(self, ID, self.OnModified)
 
 
+    def OnStartDrag(self, evt):
+        self.log.write("OnStartDrag: %d, %s\n"
+                       % (evt.GetDragAllowMove(), evt.GetDragText()))
+
+        if debug and evt.GetPosition() < 250:
+            evt.SetDragAllowMove(false)     # you can prevent moving of text (only copy)
+            evt.SetDragText("DRAGGED TEXT") # you can change what is dragged
+            #evt.SetDragText("")             # or prevent the drag with empty text
+
+
+    def OnDragOver(self, evt):
+        self.log.write("OnDragOver: x,y=(%d, %d)  pos: %d  DragResult: %d\n"
+                       % (evt.GetX(), evt.GetY(), evt.GetPosition(), evt.GetDragResult()))
+
+        if debug and evt.GetPosition() < 250:
+            evt.SetDragResult(wxDragNone)   # prevent dropping at the begining of the buffer
+
+
+    def OnDoDrop(self, evt):
+        self.log.write("OnDoDrop: x,y=(%d, %d)  pos: %d  DragResult: %d\n"
+                       "\ttext: %s\n"
+                       % (evt.GetX(), evt.GetY(), evt.GetPosition(), evt.GetDragResult(),
+                          evt.GetDragText()))
+
+        if debug and evt.GetPosition() < 500:
+            evt.SetDragText("DROPPED TEXT")  # Can change text if needed
+            ##evt.SetDragResult(wxDragNone)  # Can also change the drag operation, but it
+                                             # is probably better to do it in OnDragOver so
+                                             # there is visual feedback
+
+            ##evt.SetPosition(25)            # Can also change position, but I'm not sure why
+                                             # you would want to...
+
+
+
+
     def OnModified(self, evt):
         self.log.write("""OnModified
         Mod type:     %s
@@ -65,7 +107,8 @@ class MySTC(wxStyledTextCtrl):
                                   evt.GetPosition(),
                                   evt.GetLinesAdded(),
                                   evt.GetLength(),
-                                  evt.GetText() ))
+                                  repr(evt.GetText()) ))
+
 
     def transModType(self, modType):
         st = ""
@@ -93,6 +136,7 @@ class MySTC(wxStyledTextCtrl):
 
 
 
+
 #----------------------------------------------------------------------
 
 _USE_PANEL = 1
@@ -109,18 +153,33 @@ def runTest(frame, nb, log):
         p.SetSizer(s)
         p.SetAutoLayout(true)
 
+
+##     ed.SetBufferedDraw(false)
+##     ed.StyleClearAll()
     ed.SetText(demoText)
+    if wxUSE_UNICODE:
+        import codecs
+        decode = codecs.lookup("utf-8")[1]
+
+        ed.GotoPos(ed.GetLength())
+        ed.AddText("\n\nwxStyledTextCtrl can also do Unicode:\n")
+        unitext, l = decode('\xd0\x9f\xd0\xb8\xd1\x82\xd0\xbe\xd0\xbd - '
+                            '\xd0\xbb\xd1\x83\xd1\x87\xd1\x88\xd0\xb8\xd0\xb9 '
+                            '\xd1\x8f\xd0\xb7\xd1\x8b\xd0\xba \xd0\xbf\xd1\x80\xd0\xbe\xd0\xb3\xd1\x80\xd0\xb0\xd0\xbc\xd0\xbc\xd0\xb8\xd1\x80\xd0\xbe\xd0\xb2\xd0\xb0\xd0\xbd\xd0\xb8\xd1\x8f!\n\n')
+        ed.AddText('\tRussian: ')
+        ed.AddText(unitext)
+        ed.GotoPos(0)
+
     ed.EmptyUndoBuffer()
 
     # make some styles
-    ed.StyleSetSpec(wxSTC_STYLE_DEFAULT, "size:%d,face:%s" % (pb+2, face3))
-    ed.StyleSetSpec(1, "size:%d,bold,face:%s,fore:#0000FF" % (pb+3, face1))
-    ed.StyleSetSpec(2, "face:%s,italic,fore:#FF0000,size:%d" % (face2, pb+2))
-    ed.StyleSetSpec(3, "face:%s,bold,size:%d" % (face2, pb+3))
-    ed.StyleSetSpec(4, "face:%s,size:%d" % (face1, pb))
-
+    ed.StyleSetSpec(wxSTC_STYLE_DEFAULT, "size:%d,face:%s" % (pb, face3))
+    ed.StyleSetSpec(1, "size:%d,bold,face:%s,fore:#0000FF" % (pb+2, face1))
+    ed.StyleSetSpec(2, "face:%s,italic,fore:#FF0000,size:%d" % (face2, pb))
+    ed.StyleSetSpec(3, "face:%s,bold,size:%d" % (face2, pb+2))
+    ed.StyleSetSpec(4, "face:%s,size:%d" % (face1, pb-1))
 
-    # now set some text to those styles...  Normally this would be
+    # Now set some text to those styles...  Normally this would be
     # done in an event handler that happens when text needs displayed.
     ed.StartStyling(98, 0xff)
     ed.SetStyling(6, 1)  # set style for 6 characters using style 1
@@ -167,8 +226,9 @@ def runTest(frame, nb, log):
     ed.SetStyling(10, wxSTC_INDIC1_MASK)
     ed.SetStyling(10, wxSTC_INDIC2_MASK | wxSTC_INDIC1_MASK)
 
+
     # some test stuff...
-    if 1:
+    if debug:
         print "GetTextLength(): ", ed.GetTextLength(), len(ed.GetText())
         print "GetText(): ", repr(ed.GetText())
         print
@@ -204,12 +264,16 @@ be helpful.
 
 
 
-if __name__ == '__main__':
-    import sys
-    app = wxPySimpleApp()
-    frame = wxFrame(None, -1, "Tester...", size=(640, 480))
-    win = runTest(frame, frame, sys.stdout)
-    frame.Show(true)
-    app.MainLoop()
+## if __name__ == '__main__':
+##     import sys
+##     app = wxPySimpleApp()
+##     frame = wxFrame(None, -1, "Tester...", size=(640, 480))
+##     win = runTest(frame, frame, sys.stdout)
+##     frame.Show(true)
+##     app.MainLoop()
+
 
+if __name__ == '__main__':
+    import run
+    run.main(['', 'wxStyledTextCtrl_1'])