mirror of https://github.com/python/cpython
Extension to wed that handles styles, fonts and sizes
This commit is contained in:
Jack Jansen
parent
8ae8e4f963
commit
782405fb78
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@ -0,0 +1,627 @@
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# A minimal text editor.
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#
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# To be done:
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# - Functionality: find, etc.
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from Menu import DrawMenuBar
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from FrameWork import *
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import Win
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import Qd
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import Res
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import Fm
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import waste
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import WASTEconst
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import Scrap
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import os
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import macfs
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UNDOLABELS = [ # Indexed by WEGetUndoInfo() value
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None, "", "typing", "Cut", "Paste", "Clear", "Drag", "Style"]
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# Style and size menu. Note that style order is important (tied to bit values)
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STYLES = [
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("Bold", "B"), ("Italic", "I"), ("Underline", "U"), ("Outline", "O"),
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("Shadow", ""), ("Condensed", ""), ("Extended", "")
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]
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SIZES = [ 9, 10, 12, 14, 18, 24]
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BIGREGION=Qd.NewRgn()
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Qd.SetRectRgn(BIGREGION, -16000, -16000, 16000, 16000)
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class WasteWindow(ScrolledWindow):
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def open(self, path, name, data):
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self.path = path
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self.name = name
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r = windowbounds(400, 400)
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w = Win.NewWindow(r, name, 1, 0, -1, 1, 0x55555555)
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self.wid = w
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vr = 0, 0, r[2]-r[0]-15, r[3]-r[1]-15
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dr = (0, 0, 10240, 0)
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Qd.SetPort(w)
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Qd.TextFont(4)
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Qd.TextSize(9)
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flags = WASTEconst.weDoAutoScroll | WASTEconst.weDoOutlineHilite | \
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WASTEconst.weDoMonoStyled | WASTEconst.weDoUndo
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self.ted = waste.WENew(dr, vr, flags)
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style, soup = self.getstylesoup()
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self.ted.WEInsert(data, style, soup)
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self.ted.WESetSelection(0,0)
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self.ted.WECalText()
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self.ted.WEResetModCount()
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w.DrawGrowIcon()
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self.scrollbars()
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self.do_postopen()
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self.do_activate(1, None)
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def getstylesoup(self):
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if not self.path:
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return None, None
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oldrf = Res.CurResFile()
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try:
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rf = Res.OpenResFile(self.path)
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except Res.Error:
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return None, None
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try:
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hstyle = Res.Get1Resource('styl', 128)
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hstyle.DetachResource()
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except Res.Error:
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hstyle = None
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try:
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hsoup = Res.Get1Resource('SOUP', 128)
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hsoup.DetachResource()
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except Res.Error:
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hsoup = None
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Res.CloseResFile(rf)
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Res.UseResFile(oldrf)
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return hstyle, hsoup
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def do_idle(self, event):
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(what, message, when, where, modifiers) = event
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Qd.SetPort(self.wid)
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self.ted.WEIdle()
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if self.ted.WEAdjustCursor(where, BIGREGION):
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return
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Qd.SetCursor(Qd.qd.arrow)
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def getscrollbarvalues(self):
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dr = self.ted.WEGetDestRect()
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vr = self.ted.WEGetViewRect()
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vx = self.scalebarvalue(dr[0], dr[2], vr[0], vr[2])
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vy = self.scalebarvalue(dr[1], dr[3], vr[1], vr[3])
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return vx, vy
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def scrollbar_callback(self, which, what, value):
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if which == 'y':
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if what == 'set':
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height = self.ted.WEGetHeight(0, 0x3fffffff)
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cur = self.getscrollbarvalues()[1]
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delta = (cur-value)*height/32767
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if what == '-':
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topline_off,dummy = self.ted.WEGetOffset((1,1))
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topline_num = self.ted.WEOffsetToLine(topline_off)
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delta = self.ted.WEGetHeight(topline_num, topline_num+1)
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elif what == '--':
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delta = (self.ted.WEGetViewRect()[3]-10)
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if delta <= 0:
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delta = 10 # Random value
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elif what == '+':
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# XXXX Wrong: should be bottom line size
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topline_off,dummy = self.ted.WEGetOffset((1,1))
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topline_num = self.ted.WEOffsetToLine(topline_off)
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delta = -self.ted.WEGetHeight(topline_num, topline_num+1)
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elif what == '++':
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delta = -(self.ted.WEGetViewRect()[3]-10)
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if delta >= 0:
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delta = -10
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self.ted.WEScroll(0, delta)
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else:
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if what == 'set':
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return # XXXX
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vr = self.ted.WEGetViewRect()
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winwidth = vr[2]-vr[0]
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if what == '-':
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delta = winwidth/10
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elif what == '--':
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delta = winwidth/2
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elif what == '+':
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delta = -winwidth/10
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elif what == '++':
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delta = -winwidth/2
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self.ted.WEScroll(delta, 0)
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# Pin the scroll
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l, t, r, b = self.ted.WEGetDestRect()
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vl, vt, vr, vb = self.ted.WEGetViewRect()
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if t > 0 or l > 0:
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dx = dy = 0
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if t > 0: dy = -t
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if l > 0: dx = -l
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self.ted.WEScroll(dx, dy)
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elif b < vb:
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self.ted.WEScroll(0, b-vb)
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def do_activate(self, onoff, evt):
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Qd.SetPort(self.wid)
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ScrolledWindow.do_activate(self, onoff, evt)
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if onoff:
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self.ted.WEActivate()
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self.parent.active = self
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self.parent.updatemenubar()
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else:
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self.ted.WEDeactivate()
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def do_update(self, wid, event):
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region = wid.GetWindowPort().visRgn
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if Qd.EmptyRgn(region):
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return
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Qd.EraseRgn(region)
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self.ted.WEUpdate(region)
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self.updatescrollbars()
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def do_postresize(self, width, height, window):
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l, t, r, b = self.ted.WEGetViewRect()
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vr = (l, t, l+width-15, t+height-15)
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self.ted.WESetViewRect(vr)
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Win.InvalRect(vr)
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ScrolledWindow.do_postresize(self, width, height, window)
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def do_contentclick(self, local, modifiers, evt):
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(what, message, when, where, modifiers) = evt
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self.ted.WEClick(local, modifiers, when)
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self.updatescrollbars()
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self.parent.updatemenubar()
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def do_char(self, ch, event):
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self.ted.WESelView()
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(what, message, when, where, modifiers) = event
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self.ted.WEKey(ord(ch), modifiers)
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self.updatescrollbars()
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self.parent.updatemenubar()
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def close(self):
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if self.ted.WEGetModCount():
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save = EasyDialogs.AskYesNoCancel('Save window "%s" before closing?'%self.name, 1)
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if save > 0:
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self.menu_save()
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elif save < 0:
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return
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if self.parent.active == self:
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self.parent.active = None
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self.parent.updatemenubar()
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del self.ted
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self.do_postclose()
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def menu_save(self):
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if not self.path:
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self.menu_save_as()
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return # Will call us recursively
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#
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# First save data
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#
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dhandle = self.ted.WEGetText()
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data = dhandle.data
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fp = open(self.path, 'wb') # NOTE: wb, because data has CR for end-of-line
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fp.write(data)
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if data[-1] <> '\r': fp.write('\r')
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fp.close()
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#
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# Now save style and soup
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#
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oldresfile = Res.CurResFile()
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try:
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rf = Res.OpenResFile(self.path)
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except Res.Error:
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Res.CreateResFile(self.path)
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rf = Res.OpenResFile(self.path)
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styles = Res.Resource('')
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soup = Res.Resource('')
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self.ted.WECopyRange(0, 0x3fffffff, None, styles, soup)
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styles.AddResource('styl', 128, '')
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soup.AddResource('SOUP', 128, '')
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Res.CloseResFile(rf)
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Res.UseResFile(oldresfile)
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self.ted.WEResetModCount()
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def menu_save_as(self):
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fss, ok = macfs.StandardPutFile('Save as:')
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if not ok: return
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self.path = fss.as_pathname()
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self.name = os.path.split(self.path)[-1]
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self.wid.SetWTitle(self.name)
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self.menu_save()
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def menu_cut(self):
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self.ted.WESelView()
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self.ted.WECut()
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Scrap.ZeroScrap()
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self.ted.WECut()
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self.updatescrollbars()
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self.parent.updatemenubar()
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def menu_copy(self):
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Scrap.ZeroScrap()
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self.ted.WECopy()
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self.updatescrollbars()
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self.parent.updatemenubar()
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def menu_paste(self):
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self.ted.WESelView()
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self.ted.WEPaste()
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self.updatescrollbars()
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self.parent.updatemenubar()
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def menu_clear(self):
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self.ted.WESelView()
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self.ted.WEDelete()
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self.updatescrollbars()
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self.parent.updatemenubar()
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def menu_undo(self):
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self.ted.WEUndo()
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self.updatescrollbars()
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self.parent.updatemenubar()
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def menu_setfont(self, font):
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font = Fm.GetFNum(font)
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self.mysetstyle(WASTEconst.weDoFont, (font, 0, 0, (0,0,0)))
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self.parent.updatemenubar()
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def menu_modface(self, face):
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self.mysetstyle(WASTEconst.weDoFace|WASTEconst.weDoToggleFace,
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(0, face, 0, (0,0,0)))
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def menu_setface(self, face):
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self.mysetstyle(WASTEconst.weDoFace|WASTEconst.weDoReplaceFace,
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(0, face, 0, (0,0,0)))
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def menu_setsize(self, size):
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self.mysetstyle(WASTEconst.weDoSize, (0, 0, size, (0,0,0)))
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def menu_incsize(self, size):
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self.mysetstyle(WASTEconst.weDoAddSize, (0, 0, size, (0,0,0)))
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def mysetstyle(self, which, how):
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self.ted.WESelView()
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self.ted.WESetStyle(which, how)
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self.parent.updatemenubar()
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def have_selection(self):
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start, stop = self.ted.WEGetSelection()
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return start < stop
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def can_paste(self):
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return self.ted.WECanPaste()
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def can_undo(self):
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which, redo = self.ted.WEGetUndoInfo()
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which = UNDOLABELS[which]
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if which == None: return None
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if redo:
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return "Redo "+which
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else:
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return "Undo "+which
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def getruninfo(self):
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all = (WASTEconst.weDoFont | WASTEconst.weDoFace | WASTEconst.weDoSize)
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dummy, mode, (font, face, size, color) = self.ted.WEContinuousStyle(all)
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if not (mode & WASTEconst.weDoFont):
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font = None
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else:
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font = Fm.GetFontName(font)
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if not (mode & WASTEconst.weDoFace): fact = None
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if not (mode & WASTEconst.weDoSize): size = None
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return font, face, size
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class Wed(Application):
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def __init__(self):
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Application.__init__(self)
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self.num = 0
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self.active = None
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self.updatemenubar()
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def makeusermenus(self):
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self.filemenu = m = Menu(self.menubar, "File")
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self.newitem = MenuItem(m, "New window", "N", self.open)
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self.openitem = MenuItem(m, "Open...", "O", self.openfile)
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self.closeitem = MenuItem(m, "Close", "W", self.closewin)
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m.addseparator()
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self.saveitem = MenuItem(m, "Save", "S", self.save)
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self.saveasitem = MenuItem(m, "Save as...", "", self.saveas)
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m.addseparator()
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self.quititem = MenuItem(m, "Quit", "Q", self.quit)
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self.editmenu = m = Menu(self.menubar, "Edit")
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self.undoitem = MenuItem(m, "Undo", "Z", self.undo)
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self.cutitem = MenuItem(m, "Cut", "X", self.cut)
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self.copyitem = MenuItem(m, "Copy", "C", self.copy)
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self.pasteitem = MenuItem(m, "Paste", "V", self.paste)
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self.clearitem = MenuItem(m, "Clear", "", self.clear)
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self.makefontmenu()
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# Groups of items enabled together:
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self.windowgroup = [self.closeitem, self.saveitem, self.saveasitem,
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self.editmenu, self.fontmenu, self.facemenu, self.sizemenu]
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self.focusgroup = [self.cutitem, self.copyitem, self.clearitem]
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self.windowgroup_on = -1
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self.focusgroup_on = -1
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self.pastegroup_on = -1
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self.undo_label = "never"
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self.ffs_values = ()
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def makefontmenu(self):
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self.fontmenu = Menu(self.menubar, "Font")
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self.fontnames = getfontnames()
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self.fontitems = []
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for n in self.fontnames:
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m = MenuItem(self.fontmenu, n, "", self.selfont)
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self.fontitems.append(m)
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self.facemenu = Menu(self.menubar, "Style")
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self.faceitems = []
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for n, shortcut in STYLES:
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m = MenuItem(self.facemenu, n, shortcut, self.selface)
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self.faceitems.append(m)
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self.facemenu.addseparator()
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self.faceitem_normal = MenuItem(self.facemenu, "Normal", "N",
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self.selfacenormal)
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self.sizemenu = Menu(self.menubar, "Size")
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self.sizeitems = []
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for n in SIZES:
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m = MenuItem(self.sizemenu, `n`, "", self.selsize)
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self.sizeitems.append(m)
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self.sizemenu.addseparator()
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self.sizeitem_bigger = MenuItem(self.sizemenu, "Bigger", "+",
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self.selsizebigger)
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self.sizeitem_smaller = MenuItem(self.sizemenu, "Smaller", "-",
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self.selsizesmaller)
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def selfont(self, id, item, *rest):
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if self.active:
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font = self.fontnames[item-1]
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self.active.menu_setfont(font)
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else:
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EasyDialogs.Message("No active window?")
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def selface(self, id, item, *rest):
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if self.active:
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face = (1<<(item-1))
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self.active.menu_modface(face)
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else:
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EasyDialogs.Message("No active window?")
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def selfacenormal(self, *rest):
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if self.active:
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self.active.menu_setface(0)
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else:
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EasyDialogs.Message("No active window?")
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def selsize(self, id, item, *rest):
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if self.active:
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size = SIZES[item-1]
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self.active.menu_setsize(size)
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else:
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EasyDialogs.Message("No active window?")
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def selsizebigger(self, *rest):
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if self.active:
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self.active.menu_incsize(2)
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else:
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EasyDialogs.Message("No active window?")
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def selsizesmaller(self, *rest):
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if self.active:
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self.active.menu_incsize(-2)
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else:
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EasyDialogs.Message("No active window?")
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def updatemenubar(self):
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changed = 0
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on = (self.active <> None)
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if on <> self.windowgroup_on:
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for m in self.windowgroup:
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m.enable(on)
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self.windowgroup_on = on
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changed = 1
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if on:
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# only if we have an edit menu
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on = self.active.have_selection()
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if on <> self.focusgroup_on:
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for m in self.focusgroup:
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m.enable(on)
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self.focusgroup_on = on
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changed = 1
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on = self.active.can_paste()
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if on <> self.pastegroup_on:
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self.pasteitem.enable(on)
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self.pastegroup_on = on
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changed = 1
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on = self.active.can_undo()
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if on <> self.undo_label:
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if on:
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self.undoitem.enable(1)
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self.undoitem.settext(on)
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self.undo_label = on
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else:
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self.undoitem.settext("Nothing to undo")
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self.undoitem.enable(0)
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changed = 1
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if self.updatefontmenus():
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changed = 1
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if changed:
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DrawMenuBar()
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def updatefontmenus(self):
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info = self.active.getruninfo()
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if info == self.ffs_values:
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return 0
|
||||
# Remove old checkmarks
|
||||
if self.ffs_values == ():
|
||||
self.ffs_values = (None, None, None)
|
||||
font, face, size = self.ffs_values
|
||||
if font <> None:
|
||||
fnum = self.fontnames.index(font)
|
||||
self.fontitems[fnum].check(0)
|
||||
if face <> None:
|
||||
for i in range(len(self.faceitems)):
|
||||
if face & (1<<i):
|
||||
self.faceitems[i].check(0)
|
||||
if size <> None:
|
||||
for i in range(len(self.sizeitems)):
|
||||
if SIZES[i] == size:
|
||||
self.sizeitems[i].check(0)
|
||||
|
||||
self.ffs_values = info
|
||||
# Set new checkmarks
|
||||
font, face, size = self.ffs_values
|
||||
if font <> None:
|
||||
fnum = self.fontnames.index(font)
|
||||
self.fontitems[fnum].check(1)
|
||||
if face <> None:
|
||||
for i in range(len(self.faceitems)):
|
||||
if face & (1<<i):
|
||||
self.faceitems[i].check(1)
|
||||
if size <> None:
|
||||
for i in range(len(self.sizeitems)):
|
||||
if SIZES[i] == size:
|
||||
self.sizeitems[i].check(1)
|
||||
# Set outline/normal for sizes
|
||||
if font:
|
||||
exists = getfontsizes(font, SIZES)
|
||||
for i in range(len(self.sizeitems)):
|
||||
if exists[i]:
|
||||
self.sizeitems[i].setstyle(0)
|
||||
else:
|
||||
self.sizeitems[i].setstyle(8)
|
||||
|
||||
#
|
||||
# Apple menu
|
||||
#
|
||||
|
||||
def do_about(self, id, item, window, event):
|
||||
EasyDialogs.Message("A simple single-font text editor based on WASTE")
|
||||
|
||||
#
|
||||
# File menu
|
||||
#
|
||||
|
||||
def open(self, *args):
|
||||
self._open(0)
|
||||
|
||||
def openfile(self, *args):
|
||||
self._open(1)
|
||||
|
||||
def _open(self, askfile):
|
||||
if askfile:
|
||||
fss, ok = macfs.StandardGetFile('TEXT')
|
||||
if not ok:
|
||||
return
|
||||
path = fss.as_pathname()
|
||||
name = os.path.split(path)[-1]
|
||||
try:
|
||||
fp = open(path, 'rb') # NOTE binary, we need cr as end-of-line
|
||||
data = fp.read()
|
||||
fp.close()
|
||||
except IOError, arg:
|
||||
EasyDialogs.Message("IOERROR: "+`arg`)
|
||||
return
|
||||
else:
|
||||
path = None
|
||||
name = "Untitled %d"%self.num
|
||||
data = ''
|
||||
w = WasteWindow(self)
|
||||
w.open(path, name, data)
|
||||
self.num = self.num + 1
|
||||
|
||||
def closewin(self, *args):
|
||||
if self.active:
|
||||
self.active.close()
|
||||
else:
|
||||
EasyDialogs.Message("No active window?")
|
||||
|
||||
def save(self, *args):
|
||||
if self.active:
|
||||
self.active.menu_save()
|
||||
else:
|
||||
EasyDialogs.Message("No active window?")
|
||||
|
||||
def saveas(self, *args):
|
||||
if self.active:
|
||||
self.active.menu_save_as()
|
||||
else:
|
||||
EasyDialogs.Message("No active window?")
|
||||
|
||||
|
||||
def quit(self, *args):
|
||||
for w in self._windows.values():
|
||||
w.close()
|
||||
if self._windows:
|
||||
return
|
||||
raise self
|
||||
|
||||
#
|
||||
# Edit menu
|
||||
#
|
||||
|
||||
def undo(self, *args):
|
||||
if self.active:
|
||||
self.active.menu_undo()
|
||||
else:
|
||||
EasyDialogs.Message("No active window?")
|
||||
|
||||
def cut(self, *args):
|
||||
if self.active:
|
||||
self.active.menu_cut()
|
||||
else:
|
||||
EasyDialogs.Message("No active window?")
|
||||
|
||||
def copy(self, *args):
|
||||
if self.active:
|
||||
self.active.menu_copy()
|
||||
else:
|
||||
EasyDialogs.Message("No active window?")
|
||||
|
||||
def paste(self, *args):
|
||||
if self.active:
|
||||
self.active.menu_paste()
|
||||
else:
|
||||
EasyDialogs.Message("No active window?")
|
||||
|
||||
def clear(self, *args):
|
||||
if self.active:
|
||||
self.active.menu_clear()
|
||||
else:
|
||||
EasyDialogs.Message("No active window?")
|
||||
|
||||
#
|
||||
# Other stuff
|
||||
#
|
||||
|
||||
def idle(self, event):
|
||||
if self.active:
|
||||
self.active.do_idle(event)
|
||||
|
||||
def getfontnames():
|
||||
names = []
|
||||
for i in range(256):
|
||||
n = Fm.GetFontName(i)
|
||||
if n: names.append(n)
|
||||
return names
|
||||
|
||||
def getfontsizes(name, sizes):
|
||||
exist = []
|
||||
num = Fm.GetFNum(name)
|
||||
for sz in sizes:
|
||||
if Fm.RealFont(num, sz):
|
||||
exist.append(1)
|
||||
else:
|
||||
exist.append(0)
|
||||
return exist
|
||||
|
||||
def main():
|
||||
App = Wed()
|
||||
App.mainloop()
|
||||
|
||||
if __name__ == '__main__':
|
||||
main()
|
||||
|
||||
Loading…
Reference in New Issue