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618 lines
16 KiB
Python
618 lines
16 KiB
Python
import W
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import Wkeys
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import struct
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import string
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import types
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import re
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from Carbon import Qd, Icn, Fm, QuickDraw
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from Carbon.QuickDraw import hilitetransfermode
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nullid = '\0\0'
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closedid = struct.pack('h', 468)
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openid = struct.pack('h', 469)
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closedsolidid = struct.pack('h', 470)
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opensolidid = struct.pack('h', 471)
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arrows = (nullid, closedid, openid, closedsolidid, opensolidid)
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has_ctlcharsRE = re.compile(r'[\000-\037\177-\377]')
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def ctlcharsREsearch(str):
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if has_ctlcharsRE.search(str) is None:
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return -1
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return 1
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def double_repr(key, value, truncvalue = 0,
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type = type, StringType = types.StringType,
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has_ctlchars = ctlcharsREsearch, _repr = repr, str = str):
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if type(key) == StringType and has_ctlchars(key) < 0:
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key = str(key)
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else:
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key = _repr(key)
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if key == '__builtins__':
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value = "<" + type(value).__name__ + " '__builtin__'>"
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elif key == '__return__':
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# bleh, when returning from a class codeblock we get infinite recursion in repr.
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# Use safe repr instead.
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import repr
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value = repr.repr(value)
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else:
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try:
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value = _repr(value)
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'' + value # test to see if it is a string, in case a __repr__ method is buggy
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except:
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value = '\xa5\xa5\xa5 exception in repr()'
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if truncvalue:
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return key + '\t' + value[:255]
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return key + '\t' + value
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def truncString(s, maxwid):
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if maxwid < 1:
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return 1, ""
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strlen = len(s)
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strwid = Qd.TextWidth(s, 0, strlen);
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if strwid <= maxwid:
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return 0, s
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Qd.TextFace(QuickDraw.condense)
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strwid = Qd.TextWidth(s, 0, strlen)
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ellipsis = Qd.StringWidth('\xc9')
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if strwid <= maxwid:
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Qd.TextFace(0)
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return 1, s
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if strwid < 1:
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Qd.TextFace(0)
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return 1, ""
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mid = int(strlen * maxwid / strwid)
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while 1:
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if mid <= 0:
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mid = 0
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break
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strwid = Qd.TextWidth(s, 0, mid) + ellipsis
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strwid2 = Qd.TextWidth(s, 0, mid + 1) + ellipsis
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if strwid <= maxwid and maxwid <= strwid2:
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if maxwid == strwid2:
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mid += 1
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break
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if strwid > maxwid:
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mid -= 1
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if mid <= 0:
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mid = 0
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break
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elif strwid2 < maxwid:
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mid += 1
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Qd.TextFace(0)
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return 1, s[:mid] + '\xc9'
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def drawTextCell(text, cellRect, ascent, theList):
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l, t, r, b = cellRect
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cellwidth = r - l
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Qd.MoveTo(int(l + 2), int(t + ascent))
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condense, text = truncString(text, cellwidth - 3)
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if condense:
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Qd.TextFace(QuickDraw.condense)
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Qd.DrawText(text, 0, len(text))
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Qd.TextFace(0)
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PICTWIDTH = 16
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class BrowserWidget(W.CustomList):
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def __init__(self, possize, object = None, col = 100, closechildren = 0):
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W.List.__init__(self, possize, callback = self.listhit)
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self.object = (None,)
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self.indent = 16
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self.lastmaxindent = 0
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self.closechildren = closechildren
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self.children = []
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self.mincol = 64
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self.setcolumn(col)
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self.bind('return', self.openselection)
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self.bind('enter', self.openselection)
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if object is not None:
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self.set(object)
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def set(self, object):
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if self.object[0] is not object:
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self.object = object,
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self[:] = self.unpack(object, 0)
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elif self._parentwindow is not None and self._parentwindow.wid:
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self.update()
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def unpack(self, object, indent):
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return unpack_object(object, indent)
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def update(self):
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# for now...
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W.SetCursor('watch')
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self.setdrawingmode(0)
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sel = self.getselectedobjects()
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fold = self.getunfoldedobjects()
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topcell = self.gettopcell()
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self[:] = self.unpack(self.object[0], 0)
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self.unfoldobjects(fold)
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self.setselectedobjects(sel)
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self.settopcell(topcell)
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self.setdrawingmode(1)
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def setcolumn(self, col):
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self.col = col
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self.colstr = struct.pack('h', col)
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if self._list:
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sel = self.getselection()
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self.setitems(self.items)
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self.setselection(sel)
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def key(self, char, event):
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if char in (Wkeys.leftarrowkey, Wkeys.rightarrowkey):
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sel = self.getselection()
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sel.reverse()
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self.setdrawingmode(0)
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for index in sel:
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self.fold(index, char == Wkeys.rightarrowkey)
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self.setdrawingmode(1)
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else:
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W.List.key(self, char, event)
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def rollover(self, (x, y), onoff):
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if onoff:
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if self.incolumn((x, y)):
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W.SetCursor('hmover')
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else:
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W.SetCursor('arrow')
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def inarrow(self, (x, y)):
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cl, ct, cr, cb = self._list.LRect((0, 0))
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l, t, r, b = self._bounds
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if (x - cl) < 16:
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cellheight = cb - ct
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index = (y - ct) / cellheight
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if index < len(self.items):
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return 1, index
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return None, None
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def incolumn(self, (x, y)):
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l, t, r, b = self._list.LRect((0, 0))
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abscol = l + self.col
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return abs(abscol - x) < 3
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def trackcolumn(self, (x, y)):
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from Carbon import Qd, QuickDraw, Evt
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self.SetPort()
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l, t, r, b = self._bounds
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bounds = l, t, r, b = l + 1, t + 1, r - 16, b - 1
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abscol = l + self.col
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mincol = l + self.mincol
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maxcol = r - 10
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diff = abscol - x
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Qd.PenPat('\000\377\000\377\000\377\000\377')
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Qd.PenMode(QuickDraw.srcXor)
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rect = abscol - 1, t, abscol, b
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Qd.PaintRect(rect)
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lastpoint = (x, y)
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newcol = -1
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#W.SetCursor('fist')
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while Evt.Button():
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Evt.WaitNextEvent(0, 1, None) # needed for OSX
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(x, y) = Evt.GetMouse()
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if (x, y) <> lastpoint:
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newcol = x + diff
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newcol = max(newcol, mincol)
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newcol = min(newcol, maxcol)
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Qd.PaintRect(rect)
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rect = newcol - 1, t, newcol, b
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Qd.PaintRect(rect)
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lastpoint = (x, y)
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Qd.PaintRect(rect)
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Qd.PenPat(Qd.GetQDGlobalsBlack())
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Qd.PenNormal()
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if newcol > 0 and newcol <> abscol:
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self.setcolumn(newcol - l)
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def click(self, point, modifiers):
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if point == (-1, -1): # gross.
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W.List.click(self, point ,modifiers)
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return
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hit, index = self.inarrow(point)
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if hit:
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(key, value, arrow, indent) = self.items[index]
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self.fold(index, arrow == 1)
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elif self.incolumn(point):
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self.trackcolumn(point)
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else:
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W.List.click(self, point, modifiers)
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# for W.List.key
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def findmatch(self, tag):
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lower = string.lower
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items = self.items
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taglen = len(tag)
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match = '\377' * 100
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match_i = -1
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for i in range(len(items)):
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item = lower(str(items[i][0]))
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if tag <= item < match:
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match = item
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match_i = i
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if match_i >= 0:
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return match_i
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else:
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return len(items) - 1
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def close(self):
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if self.closechildren:
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for window in self.children:
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window.close()
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self.children = []
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W.List.close(self)
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def fold(self, index, onoff):
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(key, value, arrow, indent) = self.items[index]
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if arrow == 0 or (onoff and arrow == 2) or (not onoff and arrow == 1):
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return
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W.SetCursor('watch')
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topcell = self.gettopcell()
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if onoff:
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self[index] = (key, value, 4, indent)
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self.setdrawingmode(0)
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self[index+1:index+1] = self.unpack(value, indent + 1)
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self[index] = (key, value, 2, indent)
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else:
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self[index] = (key, value, 3, indent)
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self.setdrawingmode(0)
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count = 0
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for i in range(index + 1, len(self.items)):
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(dummy, dummy, dummy, subindent) = self.items[i]
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if subindent <= indent:
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break
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count = count + 1
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self[index+1:index+1+count] = []
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self[index] = (key, value, 1, indent)
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maxindent = self.getmaxindent()
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if maxindent <> self.lastmaxindent:
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newabsindent = self.col + (maxindent - self.lastmaxindent) * self.indent
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if newabsindent >= self.mincol:
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self.setcolumn(newabsindent)
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self.lastmaxindent = maxindent
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self.settopcell(topcell)
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self.setdrawingmode(1)
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def unfoldobjects(self, objects):
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for obj in objects:
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try:
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index = self.items.index(obj)
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except ValueError:
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pass
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else:
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self.fold(index, 1)
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def getunfoldedobjects(self):
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curindent = 0
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objects = []
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for index in range(len(self.items)):
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(key, value, arrow, indent) = self.items[index]
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if indent > curindent:
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(k, v, a, i) = self.items[index - 1]
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objects.append((k, v, 1, i))
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curindent = indent
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elif indent < curindent:
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curindent = indent
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return objects
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def listhit(self, isdbl):
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if isdbl:
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self.openselection()
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def openselection(self):
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import os
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sel = self.getselection()
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for index in sel:
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(key, value, arrow, indent) = self[index]
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if arrow:
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self.children.append(Browser(value))
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elif type(value) == types.StringType and '\0' not in value:
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editor = self._parentwindow.parent.getscript(value)
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if editor:
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editor.select()
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return
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elif os.path.exists(value) and os.path.isfile(value):
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if MacOS.GetCreatorAndType(value)[1] in ('TEXT', '\0\0\0\0'):
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W.getapplication().openscript(value)
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def itemrepr(self, (key, value, arrow, indent), str = str, double_repr = double_repr,
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arrows = arrows, pack = struct.pack):
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arrow = arrows[arrow]
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return arrow + pack('h', self.indent * indent) + self.colstr + \
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double_repr(key, value, 1)
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def getmaxindent(self, max = max):
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maxindent = 0
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for item in self.items:
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maxindent = max(maxindent, item[3])
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return maxindent
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def domenu_copy(self, *args):
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sel = self.getselectedobjects()
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selitems = []
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for key, value, dummy, dummy in sel:
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selitems.append(double_repr(key, value))
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text = string.join(selitems, '\r')
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if text:
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from Carbon import Scrap
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if hasattr(Scrap, 'PutScrap'):
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Scrap.ZeroScrap()
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Scrap.PutScrap('TEXT', text)
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else:
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Scrap.ClearCurrentScrap()
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sc = Scrap.GetCurrentScrap()
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sc.PutScrapFlavor('TEXT', 0, text)
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def listDefDraw(self, selected, cellRect, theCell,
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dataOffset, dataLen, theList):
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self.myDrawCell(0, selected, cellRect, theCell,
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dataOffset, dataLen, theList)
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def listDefHighlight(self, selected, cellRect, theCell,
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dataOffset, dataLen, theList):
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self.myDrawCell(1, selected, cellRect, theCell,
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dataOffset, dataLen, theList)
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def myDrawCell(self, onlyHilite, selected, cellRect, theCell,
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dataOffset, dataLen, theList):
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savedPort = Qd.GetPort()
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Qd.SetPort(theList.GetListPort())
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savedClip = Qd.NewRgn()
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Qd.GetClip(savedClip)
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Qd.ClipRect(cellRect)
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savedPenState = Qd.GetPenState()
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Qd.PenNormal()
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l, t, r, b = cellRect
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if not onlyHilite:
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Qd.EraseRect(cellRect)
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ascent, descent, leading, size, hm = Fm.FontMetrics()
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linefeed = ascent + descent + leading
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if dataLen >= 6:
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data = theList.LGetCell(dataLen, theCell)
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iconId, indent, tab = struct.unpack("hhh", data[:6])
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try:
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key, value = data[6:].split("\t", 1)
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except ValueError:
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# bogus data, at least don't crash.
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indent = 0
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tab = 0
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iconId = 0
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key = ""
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value = data[6:]
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if iconId:
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try:
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theIcon = Icn.GetCIcon(iconId)
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except Icn.Error:
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pass
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else:
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rect = (0, 0, 16, 16)
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rect = Qd.OffsetRect(rect, l, t)
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rect = Qd.OffsetRect(rect, 0, (theList.cellSize[1] - (rect[3] - rect[1])) / 2)
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Icn.PlotCIcon(rect, theIcon)
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if len(key) >= 0:
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cl, ct, cr, cb = cellRect
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vl, vt, vr, vb = self._viewbounds
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cl = vl + PICTWIDTH + indent
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cr = vl + tab
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if cr > vr:
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cr = vr
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if cl < cr:
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drawTextCell(key, (cl, ct, cr, cb), ascent, theList)
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cl = vl + tab
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cr = vr
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if cl < cr:
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drawTextCell(value, (cl, ct, cr, cb), ascent, theList)
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#elif dataLen != 0:
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# drawTextCell("???", 3, cellRect, ascent, theList)
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else:
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return # we have bogus data
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# draw nice dotted line
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l, t, r, b = cellRect
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l = self._viewbounds[0] + tab
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r = l + 1;
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if not (theList.cellSize[1] & 0x01) or (t & 0x01):
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myPat = "\xff\x00\xff\x00\xff\x00\xff\x00"
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else:
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myPat = "\x00\xff\x00\xff\x00\xff\x00\xff"
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Qd.PenPat(myPat)
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Qd.PenMode(QuickDraw.srcCopy)
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Qd.PaintRect((l, t, r, b))
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Qd.PenNormal()
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if selected or onlyHilite:
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l, t, r, b = cellRect
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l = self._viewbounds[0] + PICTWIDTH
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r = self._viewbounds[2]
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Qd.PenMode(hilitetransfermode)
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Qd.PaintRect((l, t, r, b))
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# restore graphics environment
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Qd.SetPort(savedPort)
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Qd.SetClip(savedClip)
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Qd.DisposeRgn(savedClip)
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Qd.SetPenState(savedPenState)
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class Browser:
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def __init__(self, object = None, title = None, closechildren = 0):
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if hasattr(object, '__name__'):
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name = object.__name__
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else:
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name = ''
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if title is None:
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title = 'Object browser'
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if name:
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title = title + ': ' + name
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self.w = w = W.Window((300, 400), title, minsize = (100, 100))
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w.info = W.TextBox((18, 8, -70, 15))
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w.updatebutton = W.BevelButton((-64, 4, 50, 16), 'Update', self.update)
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w.browser = BrowserWidget((-1, 24, 1, -14), None)
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w.bind('cmdu', w.updatebutton.push)
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w.open()
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self.set(object, name)
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def close(self):
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if self.w.wid:
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self.w.close()
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def set(self, object, name = ''):
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W.SetCursor('watch')
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tp = type(object).__name__
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try:
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length = len(object)
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except:
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length = -1
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if not name and hasattr(object, '__name__'):
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name = object.__name__
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if name:
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info = name + ': ' + tp
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else:
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info = tp
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if length >= 0:
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if length == 1:
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info = info + ' (%d element)' % length
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else:
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info = info + ' (%d elements)' % length
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self.w.info.set(info)
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self.w.browser.set(object)
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def update(self):
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self.w.browser.update()
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SIMPLE_TYPES = (
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type(None),
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int,
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long,
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float,
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complex,
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str,
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unicode,
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)
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def get_ivars(obj):
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"""Return a list the names of all (potential) instance variables."""
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# __mro__ recipe from Guido
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slots = {}
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# old-style C objects
|
|
if hasattr(obj, "__members__"):
|
|
for name in obj.__members__:
|
|
slots[name] = None
|
|
if hasattr(obj, "__methods__"):
|
|
for name in obj.__methods__:
|
|
slots[name] = None
|
|
# generic type
|
|
if hasattr(obj, "__dict__"):
|
|
slots.update(obj.__dict__)
|
|
cls = type(obj)
|
|
if hasattr(cls, "__mro__"):
|
|
# new-style class, use descriptors
|
|
for base in cls.__mro__:
|
|
for name, value in base.__dict__.items():
|
|
# XXX using callable() is a heuristic which isn't 100%
|
|
# foolproof.
|
|
if hasattr(value, "__get__") and not callable(value):
|
|
slots[name] = None
|
|
if "__dict__" in slots:
|
|
del slots["__dict__"]
|
|
slots = slots.keys()
|
|
slots.sort()
|
|
return slots
|
|
|
|
def unpack_object(object, indent = 0):
|
|
tp = type(object)
|
|
if isinstance(object, SIMPLE_TYPES) and object is not None:
|
|
raise TypeError, "can't browse simple type: %s" % tp.__name__
|
|
elif isinstance(object, dict):
|
|
return unpack_dict(object, indent)
|
|
elif isinstance(object, (tuple, list)):
|
|
return unpack_sequence(object, indent)
|
|
elif isinstance(object, types.ModuleType):
|
|
return unpack_dict(object.__dict__, indent)
|
|
else:
|
|
return unpack_other(object, indent)
|
|
|
|
def unpack_sequence(seq, indent = 0):
|
|
return [(i, v, not isinstance(v, SIMPLE_TYPES), indent)
|
|
for i, v in enumerate(seq)]
|
|
|
|
def unpack_dict(dict, indent = 0):
|
|
items = dict.items()
|
|
return pack_items(items, indent)
|
|
|
|
def unpack_instance(inst, indent = 0):
|
|
if hasattr(inst, '__pybrowse_unpack__'):
|
|
return unpack_object(inst.__pybrowse_unpack__(), indent)
|
|
else:
|
|
items = [('__class__', inst.__class__)] + inst.__dict__.items()
|
|
return pack_items(items, indent)
|
|
|
|
def unpack_class(clss, indent = 0):
|
|
items = [('__bases__', clss.__bases__), ('__name__', clss.__name__)] + clss.__dict__.items()
|
|
return pack_items(items, indent)
|
|
|
|
def unpack_other(object, indent = 0):
|
|
attrs = get_ivars(object)
|
|
items = []
|
|
for attr in attrs:
|
|
try:
|
|
value = getattr(object, attr)
|
|
except:
|
|
pass
|
|
else:
|
|
items.append((attr, value))
|
|
return pack_items(items, indent)
|
|
|
|
def pack_items(items, indent = 0):
|
|
items = [(k, v, not isinstance(v, SIMPLE_TYPES), indent)
|
|
for k, v in items]
|
|
return tuple_caselesssort(items)
|
|
|
|
def caselesssort(alist):
|
|
"""Return a sorted copy of a list. If there are only strings in the list,
|
|
it will not consider case"""
|
|
|
|
try:
|
|
# turn ['FOO', 'aaBc', 'ABcD'] into [('foo', 'FOO'), ('aabc', 'aaBc'), ('abcd', 'ABcD')], if possible
|
|
tupledlist = map(lambda item, lower = string.lower: (lower(item), item), alist)
|
|
except TypeError:
|
|
# at least one element in alist is not a string, proceed the normal way...
|
|
alist = alist[:]
|
|
alist.sort()
|
|
return alist
|
|
else:
|
|
tupledlist.sort()
|
|
# turn [('aabc', 'aaBc'), ('abcd', 'ABcD'), ('foo', 'FOO')] into ['aaBc', 'ABcD', 'FOO']
|
|
return map(lambda x: x[1], tupledlist)
|
|
|
|
def tuple_caselesssort(items):
|
|
try:
|
|
tupledlist = map(lambda tuple, lower = string.lower: (lower(tuple[0]), tuple), items)
|
|
except (AttributeError, TypeError):
|
|
items = items[:]
|
|
items.sort()
|
|
return items
|
|
else:
|
|
tupledlist.sort()
|
|
return map(lambda (low, tuple): tuple, tupledlist)
|
|
|