Implement clipboard

This commit is contained in:
Jeremy Penner 2020-08-02 13:09:05 -04:00
parent 43a66bebeb
commit d4a7f6fbc9
3 changed files with 38 additions and 16 deletions

View file

@ -61,6 +61,9 @@ K_END = 261
K_PGUP = 262
K_PGDN = 263
def K_CTRL(ch):
return chr(ord(ch.upper()) - ord('@'))
def StrKey(ch):
if type(ch) == str:
return ord(ch)

View file

@ -189,7 +189,7 @@ class Synt(Typeable):
return cls()
def WithParent(self, syntParent):
assert self.syntParent == None
assert self.syntParent == None or syntParent == None
self.syntParent = syntParent
return self
@ -344,7 +344,7 @@ class SyntBlock(Synt):
with pcur.Indent(2 if pcur.pwHoriz != None else 0):
pcur.EndLine()
def OnInsertNewLine(syntAfter, psel):
self.InsertLineAfter(syntAfter)
self.InsertLineAt(0)
psel.Inc(pcur.Reset().Project().pwVert)
PwButtonHidden(pcur.pwVert, "[insert new line]", None, OnInsertNewLine, pcur.dxindent)
for syntLine in self.rgsynt:
@ -355,29 +355,34 @@ class SyntBlock(Synt):
def StypeForChild(self, syntChild):
return StypeStmt()
def InsertLineAfter(self, syntAfter):
def InsertLineAt(self, isynt, syntStmt = None):
if syntStmt == None:
syntStmt = SyntHole()
if syntAfter == None:
self.rgsynt.insert(0, syntStmt)
else:
self.rgsynt.insert(self.rgsynt.index(syntAfter) + 1, syntStmt)
syntStmt.syntParent = self
syntStmt = syntStmt.WithParent(self)
self.rgsynt.insert(isynt, syntStmt)
return syntStmt
def RemoveLine(self, synt):
def RemoveLine(self, synt, psel):
psel.syntClipboard = synt.WithParent(None)
self.rgsynt.remove(synt)
def HandleKey(self, pwKey, pov, psel, key):
if ansi.FEnter(key):
self.InsertLineAfter(pwKey.pwChild.Value())
isyntInsert = self.rgsynt.index(pwKey.pwChild.Value()) + 1
self.InsertLineAt(isyntInsert)
clevelVert = psel.CLevelChild(pwKey.PwParent())
pwVert = psel.PwSelected(pov.PwProjected(), clevelVert - 1)
psel.Inc(pwVert)
return True
elif key == ansi.K_DEL and pwKey.pwChild.RgpwChild()[0] == psel.PwSelected(pwKey):
self.RemoveLine(pwKey.pwChild.Value())
return True
elif (key == ansi.K_DEL or key == ansi.K_CTRL('x')) and pwKey.pwChild.RgpwChild()[0] == psel.PwSelected(pwKey):
self.RemoveLine(pwKey.pwChild.Value(), psel)
elif key == ansi.K_CTRL('c') and pwKey.pwChild.RgpwChild()[0] == psel.PwSelected(pwKey):
psel.syntClipboard = synt.DeepClone().WithParent(None)
elif key == ansi.K_CTRL('v') and psel.syntClipboard:
isyntInsert = self.rgsynt.index(pwKey.pwChild.Value())
self.InsertLineAt(isyntInsert, psel.syntClipboard.DeepClone())
else:
return False
return True
def Eval(self, env):
for synt in self.rgsynt:
@ -860,6 +865,7 @@ class Psel(TPrs):
assert len(pw.RgpwChild()) == 0 #leaf
self.rgo_ipw = self.Rgo_ipwFromPw(pw)
self.ksel = ksel
self.syntClipboard = None
def Rgo_ipwFromPw(self, pw):
rgo_ipw = []

View file

@ -84,6 +84,9 @@ class TPrs(object):
def UpgradeFrom(self, versionOld):
pass
def DeepClone(self):
return Odb.DeepClone(self)
def __getattr__(self, key):
stPersistent = "no persistent yet"
if key != "_persistent":
@ -163,6 +166,16 @@ class Odb(object):
cls.rgtprsToInit = None
return tprs
@classmethod
def DeepClone(cls, tprs):
cls.rgtprsToInit = []
clone = cPickle.loads(cPickle.dumps(tprs))
for tprsToInit in cls.rgtprsToInit:
with tprsToInit.SetTransiently():
tprsToInit.InitTransient()
cls.rgtprsToInit = None
return clone
clsList = list
clsDict = dict
clsSet = set