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XiteWin.py
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XiteWin.py
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# -*- coding: utf-8 -*-
from __future__ import with_statement
import os, sys, unittest
import ctypes
from ctypes import wintypes
from ctypes import c_int, c_ulong, c_char_p, c_wchar_p, c_ushort
user32=ctypes.windll.user32
gdi32=ctypes.windll.gdi32
kernel32=ctypes.windll.kernel32
from MessageNumbers import msgs, sgsm
import XiteMenu
scintillaDirectory = ".."
scintillaIncludeDirectory = os.path.join(scintillaDirectory, "include")
sys.path.append(scintillaIncludeDirectory)
import Face
scintillaBinDirectory = os.path.join(scintillaDirectory, "bin")
os.environ['PATH'] = os.environ['PATH'] + ";" + scintillaBinDirectory
#print(os.environ['PATH'])
WFUNC = ctypes.WINFUNCTYPE(c_int, c_int, c_int, c_int, c_int)
WS_CHILD = 0x40000000
WS_CLIPCHILDREN = 0x2000000
WS_OVERLAPPEDWINDOW = 0xcf0000
WS_VISIBLE = 0x10000000
WS_HSCROLL = 0x100000
WS_VSCROLL = 0x200000
WA_INACTIVE = 0
MF_POPUP = 16
MF_SEPARATOR = 0x800
IDYES = 6
OFN_HIDEREADONLY = 4
MB_OK = 0
MB_YESNOCANCEL = 3
MF_CHECKED = 8
MF_UNCHECKED = 0
SW_SHOW = 5
PM_REMOVE = 1
VK_SHIFT = 16
VK_CONTROL = 17
VK_MENU = 18
class OPENFILENAME(ctypes.Structure):
_fields_ = (("lStructSize", c_int),
("hwndOwner", c_int),
("hInstance", c_int),
("lpstrFilter", c_wchar_p),
("lpstrCustomFilter", c_char_p),
("nMaxCustFilter", c_int),
("nFilterIndex", c_int),
("lpstrFile", c_wchar_p),
("nMaxFile", c_int),
("lpstrFileTitle", c_wchar_p),
("nMaxFileTitle", c_int),
("lpstrInitialDir", c_wchar_p),
("lpstrTitle", c_wchar_p),
("flags", c_int),
("nFileOffset", c_ushort),
("nFileExtension", c_ushort),
("lpstrDefExt", c_char_p),
("lCustData", c_int),
("lpfnHook", c_char_p),
("lpTemplateName", c_char_p),
("pvReserved", c_char_p),
("dwReserved", c_int),
("flagsEx", c_int))
def __init__(self, win, title):
ctypes.Structure.__init__(self)
self.lStructSize = ctypes.sizeof(OPENFILENAME)
self.nMaxFile = 1024
self.hwndOwner = win
self.lpstrTitle = title
self.Flags = OFN_HIDEREADONLY
trace = False
#~ trace = True
def WindowSize(w):
rc = ctypes.wintypes.RECT()
user32.GetClientRect(w, ctypes.byref(rc))
return rc.right - rc.left, rc.bottom - rc.top
def IsKeyDown(key):
return (user32.GetKeyState(key) & 0x8000) != 0
def KeyTranslate(w):
tr = { 9: "Tab", 0xD:"Enter", 0x1B: "Esc" }
if w in tr:
return tr[w]
elif ord("A") <= w <= ord("Z"):
return chr(w)
elif 0x70 <= w <= 0x7b:
return "F" + str(w-0x70+1)
else:
return "Unknown_" + hex(w)
class WNDCLASS(ctypes.Structure):
_fields_= (\
('style', c_int),
('lpfnWndProc', WFUNC),
('cls_extra', c_int),
('wnd_extra', c_int),
('hInst', c_int),
('hIcon', c_int),
('hCursor', c_int),
('hbrBackground', c_int),
('menu_name', c_wchar_p),
('lpzClassName', c_wchar_p),
)
class XTEXTRANGE(ctypes.Structure):
_fields_= (\
('cpMin', c_int),
('cpMax', c_int),
('lpstrText', c_char_p),
)
class TEXTRANGE(ctypes.Structure):
_fields_= (\
('cpMin', c_int),
('cpMax', c_int),
('lpstrText', ctypes.POINTER(ctypes.c_char)),
)
class FINDTEXT(ctypes.Structure):
_fields_= (\
('cpMin', c_int),
('cpMax', c_int),
('lpstrText', c_char_p),
('cpMinText', c_int),
('cpMaxText', c_int),
)
hinst = ctypes.windll.kernel32.GetModuleHandleW(0)
def RegisterClass(name, func, background = 0):
# register a window class for toplevel windows.
wc = WNDCLASS()
wc.style = 0
wc.lpfnWndProc = func
wc.cls_extra = 0
wc.wnd_extra = 0
wc.hInst = hinst
wc.hIcon = 0
wc.hCursor = 0
wc.hbrBackground = background
wc.menu_name = 0
wc.lpzClassName = name
user32.RegisterClassW(ctypes.byref(wc))
class SciCall:
def __init__(self, fn, ptr, msg):
self._fn = fn
self._ptr = ptr
self._msg = msg
def __call__(self, w=0, l=0):
return self._fn(self._ptr, self._msg, w, l)
class Scintilla:
def __init__(self, face, hwndParent, hinstance):
self.__dict__["face"] = face
self.__dict__["used"] = set()
self.__dict__["all"] = set()
# The k member is for accessing constants as a dictionary
self.__dict__["k"] = {}
for f in face.features:
self.all.add(f)
if face.features[f]["FeatureType"] == "val":
self.k[f] = int(self.face.features[f]["Value"], 0)
elif face.features[f]["FeatureType"] == "evt":
self.k["SCN_"+f] = int(self.face.features[f]["Value"], 0)
# Get the function first as that also loads the DLL
self.__dict__["_scifn"] = ctypes.windll.SciLexer.Scintilla_DirectFunction
self.__dict__["_hwnd"] = user32.CreateWindowExW(0,
"Scintilla", "Source",
WS_CHILD | WS_VSCROLL | WS_HSCROLL | WS_CLIPCHILDREN,
0, 0, 100, 100, hwndParent, 0, hinstance, 0)
self.__dict__["_sciptr"] = user32.SendMessageW(self._hwnd,
int(self.face.features["GetDirectPointer"]["Value"], 0), 0,0)
user32.ShowWindow(self._hwnd, SW_SHOW)
def __getattr__(self, name):
if name in self.face.features:
self.used.add(name)
feature = self.face.features[name]
value = int(feature["Value"], 0)
#~ print("Feature", name, feature)
if feature["FeatureType"] == "val":
self.__dict__[name] = value
return value
else:
return SciCall(self._scifn, self._sciptr, value)
elif ("Get" + name) in self.face.features:
self.used.add("Get" + name)
feature = self.face.features["Get" + name]
value = int(feature["Value"], 0)
if feature["FeatureType"] == "get" and \
not name.startswith("Get") and \
not feature["Param1Type"] and \
not feature["Param2Type"] and \
feature["ReturnType"] in ["bool", "int", "position"]:
#~ print("property", feature)
return self._scifn(self._sciptr, value, 0, 0)
elif name.startswith("SCN_") and name in self.k:
self.used.add(name)
feature = self.face.features[name[4:]]
value = int(feature["Value"], 0)
#~ print("Feature", name, feature)
if feature["FeatureType"] == "val":
return value
raise AttributeError(name)
def __setattr__(self, name, val):
if ("Set" + name) in self.face.features:
self.used.add("Set" + name)
feature = self.face.features["Set" + name]
value = int(feature["Value"], 0)
#~ print("setproperty", feature)
if feature["FeatureType"] == "set" and not name.startswith("Set"):
if feature["Param1Type"] in ["bool", "int", "position"]:
return self._scifn(self._sciptr, value, val, 0)
elif feature["Param2Type"] in ["string"]:
return self._scifn(self._sciptr, value, 0, val)
raise AttributeError(name)
raise AttributeError(name)
def getvalue(self, name):
if name in self.face.features:
feature = self.face.features[name]
if feature["FeatureType"] != "evt":
try:
return int(feature["Value"], 0)
except ValueError:
return -1
return -1
def ByteRange(self, start, end):
tr = TEXTRANGE()
tr.cpMin = start
tr.cpMax = end
length = end - start
tr.lpstrText = ctypes.create_string_buffer(length + 1)
self.GetTextRange(0, ctypes.byref(tr))
text = tr.lpstrText[:length]
text += b"\0" * (length - len(text))
return text
def StyledTextRange(self, start, end):
tr = TEXTRANGE()
tr.cpMin = start
tr.cpMax = end
length = 2 * (end - start)
tr.lpstrText = ctypes.create_string_buffer(length + 2)
self.GetStyledText(0, ctypes.byref(tr))
styledText = tr.lpstrText[:length]
styledText += b"\0" * (length - len(styledText))
return styledText
def FindBytes(self, start, end, s, flags):
ft = FINDTEXT()
ft.cpMin = start
ft.cpMax = end
ft.lpstrText = s
ft.cpMinText = 0
ft.cpMaxText = 0
pos = self.FindText(flags, ctypes.byref(ft))
#~ print(start, end, ft.cpMinText, ft.cpMaxText)
return pos
def Contents(self):
return self.ByteRange(0, self.Length)
def SizeTo(self, width, height):
user32.SetWindowPos(self._hwnd, 0, 0, 0, width, height, 0)
def FocusOn(self):
user32.SetFocus(self._hwnd)
class XiteWin():
def __init__(self, test=""):
self.face = Face.Face()
self.face.ReadFromFile(os.path.join(scintillaIncludeDirectory, "Scintilla.iface"))
self.titleDirty = True
self.fullPath = ""
self.test = test
self.appName = "xite"
self.cmds = {}
self.windowName = "XiteWindow"
self.wfunc = WFUNC(self.WndProc)
RegisterClass(self.windowName, self.wfunc)
user32.CreateWindowExW(0, self.windowName, self.appName, \
WS_VISIBLE | WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN, \
0, 0, 500, 700, 0, 0, hinst, 0)
args = sys.argv[1:]
self.SetMenus()
if args:
self.GrabFile(args[0])
self.ed.FocusOn()
self.ed.GotoPos(self.ed.Length)
print(self.test)
if self.test:
for k in self.cmds:
if self.cmds[k] == "Test":
user32.PostMessageW(self.win, msgs["WM_COMMAND"], k, 0)
def OnSize(self):
width, height = WindowSize(self.win)
self.ed.SizeTo(width, height)
user32.InvalidateRect(self.win, 0, 0)
def OnCreate(self, hwnd):
self.win = hwnd
self.ed = Scintilla(self.face, hwnd, hinst)
self.ed.FocusOn()
def Invalidate(self):
user32.InvalidateRect(self.win, 0, 0)
def WndProc(self, h, m, w, l):
ms = sgsm.get(m, "XXX")
if trace:
print("%s %s %s %s" % (hex(h)[2:],ms,w,l))
if ms == "WM_CLOSE":
user32.PostQuitMessage(0)
elif ms == "WM_CREATE":
self.OnCreate(h)
return 0
elif ms == "WM_SIZE":
# Work out size
if w != 1:
self.OnSize()
return 0
elif ms == "WM_COMMAND":
cmdCode = w & 0xffff
if cmdCode in self.cmds:
self.Command(self.cmds[cmdCode])
return 0
elif ms == "WM_ACTIVATE":
if w != WA_INACTIVE:
self.ed.FocusOn()
return 0
else:
return user32.DefWindowProcW(h, m, w, l)
return 0
def Command(self, name):
name = name.replace(" ", "")
method = "Cmd" + name
cmd = None
try:
cmd = getattr(self, method)
except AttributeError:
return
if cmd:
cmd()
def KeyDown(self, w, prefix = ""):
keyName = prefix
if IsKeyDown(VK_CONTROL):
keyName += "<control>"
if IsKeyDown(VK_SHIFT):
keyName += "<shift>"
keyName += KeyTranslate(w)
if trace:
print("Key:", keyName)
if keyName in self.keys:
method = "Cmd" + self.keys[keyName]
getattr(self, method)()
return True
#~ print("UKey:", keyName)
return False
def Accelerator(self, msg):
ms = sgsm.get(msg.message, "XXX")
if ms == "WM_KEYDOWN":
return self.KeyDown(msg.wParam)
elif ms == "WM_SYSKEYDOWN":
return self.KeyDown(msg.wParam, "<alt>")
return False
def AppLoop(self):
msg = ctypes.wintypes.MSG()
lpmsg = ctypes.byref(msg)
while user32.GetMessageW(lpmsg, 0, 0, 0):
if trace and msg.message != msgs["WM_TIMER"]:
print('mm', hex(msg.hWnd)[2:],sgsm.get(msg.message, "XXX"))
if not self.Accelerator(msg):
user32.TranslateMessage(lpmsg)
user32.DispatchMessageW(lpmsg)
def DoEvents(self):
msg = ctypes.wintypes.MSG()
lpmsg = ctypes.byref(msg)
cont = True
while cont:
cont = user32.PeekMessageW(lpmsg, 0, 0, 0, PM_REMOVE)
if cont:
if not self.Accelerator(msg):
user32.TranslateMessage(lpmsg)
user32.DispatchMessageW(lpmsg)
def SetTitle(self, changePath):
if changePath or self.titleDirty != self.ed.Modify:
self.titleDirty = self.ed.Modify
self.title = self.fullPath
if self.titleDirty:
self.title += " * "
else:
self.title += " - "
self.title += self.appName
if self.win:
user32.SetWindowTextW(self.win, self.title)
def Open(self):
ofx = OPENFILENAME(self.win, "Open File")
opath = "\0" * 1024
ofx.lpstrFile = opath
filters = ["Python (.py;.pyw)|*.py;*.pyw|All|*.*"]
filterText = "\0".join([f.replace("|", "\0") for f in filters])+"\0\0"
ofx.lpstrFilter = filterText
if ctypes.windll.comdlg32.GetOpenFileNameW(ctypes.byref(ofx)):
absPath = opath.replace("\0", "")
self.GrabFile(absPath)
self.ed.FocusOn()
self.ed.LexerLanguage = "python"
self.ed.Lexer = self.ed.SCLEX_PYTHON
self.ed.SetKeyWords(0, "class def else for if import print return while")
for style in [k for k in self.ed.k if k.startswith("SCE_P_")]:
self.ed.StyleSetFont(self.ed.k[style], "Verdana")
if "COMMENT" in style:
self.ed.StyleSetFore(self.ed.k[style], 127 * 256)
self.ed.StyleSetFont(self.ed.k[style], "Comic Sans MS")
elif "OPERATOR" in style:
print(style, self.ed.k[style])
self.ed.StyleSetBold(self.ed.k[style], 1)
self.ed.StyleSetFore(self.ed.k[style], 127 * 256 * 256)
elif "WORD" in style:
print(style, self.ed.k[style])
self.ed.StyleSetItalic(self.ed.k[style], 255)
self.ed.StyleSetFore(self.ed.k[style], 255 * 256 * 256)
else:
self.ed.StyleSetFore(self.ed.k[style], 0)
def SaveAs(self):
ofx = OPENFILENAME(self.win, "Save File")
opath = "\0" * 1024
ofx.lpstrFile = opath
if ctypes.windll.comdlg32.GetSaveFileNameW(ctypes.byref(ofx)):
self.fullPath = opath.replace("\0", "")
self.Save()
self.SetTitle(1)
self.ed.FocusOn()
def SetMenus(self):
ui = XiteMenu.MenuStructure
self.cmds = {}
self.keys = {}
cmdId = 0
self.menuBar = user32.CreateMenu()
for name, contents in ui:
cmdId += 1
menu = user32.CreateMenu()
for item in contents:
text, key = item
cmdText = text.replace("&", "")
cmdText = cmdText.replace("...", "")
cmdText = cmdText.replace(" ", "")
cmdId += 1
if key:
keyText = key.replace("<control>", "Ctrl+")
keyText = keyText.replace("<shift>", "Shift+")
text += "\t" + keyText
if text == "-":
user32.AppendMenuW(menu, MF_SEPARATOR, cmdId, text)
else:
user32.AppendMenuW(menu, 0, cmdId, text)
self.cmds[cmdId] = cmdText
self.keys[key] = cmdText
#~ print(cmdId, item)
user32.AppendMenuW(self.menuBar, MF_POPUP, menu, name)
user32.SetMenu(self.win, self.menuBar)
self.CheckMenuItem("Wrap", True)
user32.ShowWindow(self.win, SW_SHOW)
def CheckMenuItem(self, name, val):
#~ print(name, val)
if self.cmds:
for k,v in self.cmds.items():
if v == name:
#~ print(name, k)
user32.CheckMenuItem(user32.GetMenu(self.win), \
k, [MF_UNCHECKED, MF_CHECKED][val])
def Exit(self):
sys.exit(0)
def DisplayMessage(self, msg, ask):
return IDYES == user32.MessageBoxW(self.win, \
msg, self.appName, [MB_OK, MB_YESNOCANCEL][ask])
def NewDocument(self):
self.ed.ClearAll()
self.ed.EmptyUndoBuffer()
self.ed.SetSavePoint()
def SaveIfUnsure(self):
if self.ed.Modify:
msg = "Save changes to \"" + self.fullPath + "\"?"
print(msg)
decision = self.DisplayMessage(msg, True)
if decision:
self.CmdSave()
return decision
return True
def New(self):
if self.SaveIfUnsure():
self.fullPath = ""
self.overrideMode = None
self.NewDocument()
self.SetTitle(1)
self.Invalidate()
def CheckMenus(self):
pass
def MoveSelection(self, caret, anchor=-1):
if anchor == -1:
anchor = caret
self.ed.SetSelectionStart(caret)
self.ed.SetSelectionEnd(anchor)
self.ed.ScrollCaret()
self.Invalidate()
def GrabFile(self, name):
self.fullPath = name
self.overrideMode = None
self.NewDocument()
fsr = open(name, "rb")
data = fsr.read()
fsr.close()
self.ed.AddText(len(data), data)
self.ed.EmptyUndoBuffer()
self.MoveSelection(0)
self.SetTitle(1)
def Save(self):
fos = open(self.fullPath, "wb")
blockSize = 1024
length = self.ed.Length
i = 0
while i < length:
grabSize = length - i
if grabSize > blockSize:
grabSize = blockSize
#~ print(i, grabSize, length)
data = self.ed.ByteRange(i, i + grabSize)
fos.write(data)
i += grabSize
fos.close()
self.ed.SetSavePoint()
self.SetTitle(0)
# Command handlers are called by menu actions
def CmdNew(self):
self.New()
def CmdOpen(self):
self.Open()
def CmdSave(self):
if (self.fullPath == None) or (len(self.fullPath) == 0):
self.SaveAs()
else:
self.Save()
def CmdSaveAs(self):
self.SaveAs()
def CmdTest(self):
runner = unittest.TextTestRunner()
if self.test:
tests = unittest.defaultTestLoader.loadTestsFromName(self.test)
else:
tests = unittest.defaultTestLoader.loadTestsFromName("simpleTests")
results = runner.run(tests)
#~ print(results)
if self.test:
user32.PostQuitMessage(0)
def CmdExercised(self):
print()
unused = sorted(self.ed.all.difference(self.ed.used))
print("Unused", len(unused))
print()
print("\n".join(unused))
print()
print("Used", len(self.ed.used))
print()
print("\n".join(sorted(self.ed.used)))
def Uncalled(self):
print()
unused = sorted(self.ed.all.difference(self.ed.used))
uu = {}
for u in unused:
v = self.ed.getvalue(u)
if v > 2000:
uu[v] = u
#~ for x in sorted(uu.keys())[150:]:
return uu
def CmdExit(self):
self.Exit()
def CmdUndo(self):
self.ed.Undo()
def CmdRedo(self):
self.ed.Redo()
def CmdCut(self):
self.ed.Cut()
def CmdCopy(self):
self.ed.Copy()
def CmdPaste(self):
self.ed.Paste()
def CmdDelete(self):
self.ed.Clear()
xiteFrame = None
def main(test):
global xiteFrame
xiteFrame = XiteWin(test)
xiteFrame.AppLoop()
#~ xiteFrame.CmdExercised()
return xiteFrame.Uncalled()