# TkTeXCad
# (C) Copyright 2001 Hilmar Straube; dieses Programm untersteht der GPL.
# Keinerlei Garantie auf was auch immer, was mit diesem Programm zu tun hat.

from Tkinter import *
import tkSimpleDialog
import tkFileDialog
import tkMessageBox

import traceback # PrettyPrint TB
import math
import sys # Traceback, exit

import pickle # Datei speichern/laden

try:
	import Image # EPS-Unterstützung
	import ImageTk
	FPIL = 1
except ImportError:
	FPIL = 0

from internat import *
from config import *
from globalpars import *
from picels import *

class diameter: # Sucht einen passenden Durchmesser zu gegebenem
	def getd(self, d, as):
		index = 0
		if as:
			pd = POSSIBLEDIAMETERSAS
		else:
			pd = POSSIBLEDIAMETERS
		while pd[index] < d:
			index += 1
			if index >= len(pd) - 1:
				return pd[index]
			
		if index == 0: # index - 1 gibt Ärger!
			return pd[0]
		if abs(pd[index] - d) < abs(pd[index - 1] - d):
			return pd[index]
		else:
			return pd[index - 1]

diameterer = diameter()

class angle: # Klasse zum Bestimmen eines besten LaTeX-Paares zu einem gegebenen Winkel
	def __init__(self, set):
		self.erg = []
		for dxdy in set:
			if dxdy != (0, 1):
				m = dxdy[1]/float(dxdy[0])
				alpha = math.atan(m)
				self.erg.append([alpha, dxdy])
			else:
				self.erg.append([math.pi/2, dxdy])
	def getdxdy(self, alpha): # Winkel im Bereich [0; pi/2]
		dev = -1
		index = -1
		z = 0
		for el in self.erg:
			aktudev = abs(el[0] - alpha)
			if aktudev < dev or index == -1:
				index = z
				dev = aktudev
			z += 1
		return self.erg[index]

angler = angle(POSSIBLEDXDY) # Für allg. Benutzung
vecangler = angle(VECDXDY) # Für Pfeile

class mainwindow: # Benutzeroberfläche
	def __init__(self, picc):
		self.root = Tk() # Hauptfenster

		self.selected = [] # Nix angewählt
		self.parts = pcs() # Noch keine Teilbilder
		self.tkclass = IntVar() # Für die Auswahl der blockerten
		self.tkclass.set(-1)
		self.tkchangeclass = IntVar() # ... und unblockierten Teilbilder in picmenu
		self.tkchangeclass.set(0)
		
		self.root.title(PROGNAME)
		helperwin = Toplevel(self.root)
		helperwin.transient(self.root)
		helperwin.protocol('WM_DELETE_WINDOW', self.donothing)
		self.helperwin = helperwin
		helperwin.title(CHANGEWINTITLE[LANG])
		self.changeframe = Frame(helperwin) # Frame für weitere Operationen
		self.changeframe.pack(fill = BOTH, expand = 1) # Ist hier nur, damit es zerstört werden kann. Das eigentlich wichtige wird in .editwin getan.
		Label(self.changeframe, text = STATUSNOSELECTION[LANG]).pack()

		# Widgets basteln

		self.yscrollbar = Scrollbar(self.root, orient = VERTICAL)
		self.xscrollbar = Scrollbar(self.root, orient = HORIZONTAL)
		
		self.canvas = Canvas(self.root, xscrollcommand = self.xscrollbar.set, yscrollcommand = self.yscrollbar.set, borderwidth = 1, relief = RIDGE, width = CANVASWIDTH, height = CANVASHEIGHT, background = CANVASBG)
		
		self.yscrollbar['command'] = self.canvas.yview
		self.xscrollbar['command'] = self.canvas.xview

		self.statusframe = Frame(self.root, borderwidth = 1, relief = SUNKEN)
		self.statuslabel = Label(self.statusframe)
		self.statusframe.grid(row = 2, column = 0, columnspan = 2, sticky = E + W)
		self.statuslabel.pack(side = LEFT)

		# Anzeigen

		self.canvas.grid(row = 0, column = 0, sticky = N + E + S + W)
		self.yscrollbar.grid(row = 0, column = 1, sticky = N + S)
		self.xscrollbar.grid(row = 1, column = 0, sticky = W + E)
		self.root.rowconfigure(0, weight = 1)
		self.root.columnconfigure(0, weight = 1)

		filemenu = Menu()
		filemenu.add_command(label = MENUFILELOAD[LANG], command = self.filemenu_load)
		filemenu.add_command(label = MENUFILEINSERT[LANG], command = self.filemenu_import)
		filemenu.add_command(label = MENUFILESAVE[LANG], command = self.filemenu_save)
		filemenu.add_command(label = MENUTEXEXPORT[LANG], command = self.filemenu_export)
		filemenu.add_separator()
		filemenu.add_command(label = MENUQUIT[LANG], command = self.filemenu_quit)

		self.root.bind("<Control-l>", self.filemenu_load)
		self.root.bind("<Control-s>", self.filemenu_save)
		self.root.bind("<Control-i>", self.filemenu_import)
		self.root.bind("<Control-x>", self.filemenu_export)
		self.root.bind("<Control-q>", self.filemenu_quit)

		# Menu bauen
		newmenu = Menu()
		newmenu.add_command(label = MENUCIRCLE[LANG], command = self.newcircle)
		newmenu.add_command(label = MENUCIRCLEAS[LANG], command = self.newcircleas)
		newmenu.add_command(label = MENULINE[LANG], command = self.newline)
		newmenu.add_command(label = MENUVECTOR[LANG], command = self.newvec)
		newmenu.add_command(label = MENUOVAL[LANG], command = self.newoval)
		newmenu.add_command(label = MENUBEZIER[LANG], command = self.newbezier)
		newmenu.add_command(label = MENUBB[LANG], command = self.newbb)
		newmenu.add_command(label = MENUEPS[LANG], command = self.neweps)
		newmenu.add_separator()
		newmenu.add_command(label = MENUSIMPLETEXT[LANG], command = self.newsimpletext)
		newmenu.add_command(label = MENUSHORTSTACK[LANG], command = self.newshortstack)
		newmenu.add_command(label = MENUTEXTBOX[LANG], command = self.newtextbox)

		self.root.bind("k", self.newcircle)
		self.root.bind("K", self.newcircleas)
		self.root.bind("l", self.newline)
		self.root.bind("L", self.newvec)
		self.root.bind("o", self.newoval)
		self.root.bind("q", self.newbezier)
		self.root.bind("B", self.newbb)
		self.root.bind("e", self.neweps)
		
		self.root.bind("t", self.newsimpletext)
		self.root.bind("a", self.newshortstack)
		self.root.bind("b", self.newtextbox)

		faktmenu = Menu()
		self.tkfakt = IntVar()
		self.tkfakt.set(FAKT)
		for fakt in FAKTS:
			faktmenu.add_radiobutton(label = `fakt` + MENUSCALELABEL[LANG], variable = self.tkfakt, value = fakt, command = self.faktmenu_change)
		faktmenu.add_separator()
		self.tkfGrid = IntVar()
		self.tkfGrid.set(1)
		faktmenu.add_checkbutton(label = MENUSHOWGRID[LANG], variable = self.tkfGrid, command = self.faktmenu_gridf)
		faktmenu.add_command(label = MENUCHANGEGRID[LANG], command = self.faktmenu_grid)
		self.root.bind("<Control-g>", self.faktmenu_gridfkey)
		self.root.bind("<Control-Shift-G>", self.faktmenu_grid)

		selmenu = Menu()
		selmenu.add_command(label = MENUSELECT[LANG], command = self.getuids)
		selmenu.add_command(label = MENUDESELECT[LANG], command = self.clearselect)
		selmenu.add_command(label = MENUDEL[LANG], command = self.delselected)
		self.root.bind("<space>", self.getuids)
		self.root.bind("<Escape>", self.clearselect)
		self.root.bind("<Delete>", self.delselected)

		clipmenu = Menu()
		clipmenu.add_command(label = CLIPCOPY[LANG], command = self.clip_copy)
		clipmenu.add_command(label = CLIPCUT[LANG], command = self.clip_cut)
		clipmenu.add_command(label = CLIPPASTE[LANG], command = self.clip_paste)
		self.root.bind("<Control-c>", self.clip_copy)
		self.root.bind("<Control-x>", self.clip_cut)
		self.root.bind("<Control-v>", self.clip_paste)

		# Passt nirgendwo sonst
		self.root.bind('<Control-a>', self.picmenu_adjustdxdy)

		self.picmenu = Menu(postcommand = self.updatepicmenu, tearoff = 0) # Abreißen gibt bei diesem Menü heftig Ärger
       		self.viewpicture(picc)

		# Funktionsweise des Callbackwaldes:
		# die new...-Funktionen erstellen das gefragte Objekt und stellen Fest, ob
		# ein, zwei oder drei Punkte gefordert sind (mousinputdepth).
		# Daraufhin rufen sie eine Funktion auf, die einen (ebenfalls leeren) putter darum erstellt.
		# Der erste Klick füllt in clickcb diese Putterstruktur.
		# Sind mehr Punkte nötig, werden die Mausbewegungen in motion abgefangen und das picel über
		# seines putters minfo-Routine über die Position der Maus informiert.
		# Nach dieser Information wird die Anzeige aufgefrischt.
		# Bei Tiefe 3 wird dann noch clickcb2 ausgeführt, der motion so ändert, dass minfo2 aufgerufen wird.
		# Sind alle Informationen aufgerufen, folgt done und ein self.update().

		menu = Menu(self.root)
		self.root["menu"] = menu
		menu.add_cascade(label = MENUCLASSES[LANG], menu = self.picmenu)
		menu.add_cascade(label = MENUFILE[LANG], menu = filemenu)
		menu.add_cascade(label = MENUNEW[LANG], menu = newmenu)
		menu.add_cascade(label = MENUDISPLAY[LANG], menu = faktmenu)
		menu.add_cascade(label = MENUELEM[LANG], menu = selmenu)
		menu.add_cascade(label = MENUCLIP[LANG], menu = clipmenu)

		# Ist gerade kein Menü vorhanden, soll ein linker Mausklick das Bearbeitungsfenster öffnen
		self.canvas.bind("<Button-1>", self.editwin)
		self.frameuid = None
		self.griduids = []
		
	def filemenu_load(self, event = None):
		self.changeframe.destroy()
		ft = [(FTLABEL[LANG], "*.pic")]
		filename = tkFileDialog.askopenfilename(title = LOADTITLE[LANG], filetypes = ft)
		if filename == '':
			return
		try:
			f = open(filename)
			self.parts = pickle.load(f)

			for picclass in self.parts.pictures: # Für alle Putter, die gerade geladen werden diese Information bereit stellen.
				for putter in picclass.putters:
					putter.notifyunpickle(self)
					
			f.close()
			self.viewpicture(self.parts.pictures[0])
			self.changeframe.destroy()
			self.update()
		except:
			tkMessageBox.showerror(title = PROGNAME, message = LOADERROR[LANG] + `sys.exc_info()[0]`)
			traceback.print_tb(sys.exc_info()[2])
	def filemenu_save(self, event = None):
		ft = [(FTLABEL[LANG], "*.pic")]
		filename = tkFileDialog.asksaveasfilename(title = SAVETITLE[LANG], filetypes = ft, defaultextension = '.pic')
		if filename == '':
			return
		try:
			f = open(filename, "w")
			for pc in self.parts.pictures: # Unpickelbare tk-Variablen vernichten
				pc.untk()
				pickle.dump(self.parts, f)
			for picclass in self.parts.pictures: # Für alle Putter, die gerade geladen werden: diese Information bereit stellen.
				for putter in picclass.putters:
					putter.notifypickle(self)

			f.close()
		except:
			tkMessageBox.showerror(title = PROGNAME, message = SAVEERROR[LANG] + `sys.exc_info()[0]`)
			traceback.print_tb(sys.exc_info()[2])
	def filemenu_import(self, event = None): # fast wie load
		self.changeframe.destroy()
		ft = [(FTLABEL[LANG], "*.pic")]
		filename = tkFileDialog.askopenfilename(title = INSERTTITLE[LANG], filetypes = ft)
		if filename == '':
			return
		try:
			f = open(filename)
			newparts = pickle.load(f)
			f.close()
			for newname in newparts.names:
				if newname in self.parts.names:
					self.status(STATUSNAMECOL[LANG])
					return
			# Keine Überschneidungen
			for picclass in newparts.pictures: # Für alle Putter, die gerade geladen werden: diese Information bereit stellen.
				for putter in picclass.putters:
					putter.notifypickle(self)
			self.parts.pictures += newparts.pictures
			self.parts.names += newparts.names
		except:
			tkMessageBox.showerror(title = PROGNAME, message = LOADERROR[LANG] + `sys.exc_info()[0]`)
			traceback.print_tb(sys.exc_info()[2])		
	def filemenu_export(self, event = None):
		z = 0
		for z in range(len(self.parts.names)):
			f = open(self.parts.names[z] + SUFFIX, 'w')
			f.write(self.parts.pictures[z].dumptex())
	def filemenu_quit(self, event = None):
		self.root.destroy()
	def faktmenu_change(self, event = None):
		global fakt
		fakt = self.tkfakt.get()
		notifyfaktchange(fakt)
		self.update()
	def faktmenu_gridf(self, event = None):
		global FGRID
		FGRID = self.tkfGrid.get()
		self.update()
	def faktmenu_gridfkey(self, event = None):
		self.tkfGrid.set(not self.tkfGrid.get())
		self.faktmenu_gridf()
	def faktmenu_grid(self, event = None):
		global GRID
		g = tkSimpleDialog.askfloat(PROGNAME, LABELNEWGRID[LANG], minvalue = 0.0000001)
		if g != None:
			GRID = g
			self.update()
	def picmenu_addmenus(self, menu, block): # Hängt an menu Radiobuttons an, möglicherweise enthaltende blockiert, oder auch nicht.
		if block:
			blocks = self.parts.pictures[0].getallblocks(self.pic.pc) + [self.pic.pc]
		for z in range(len(self.parts.pictures)):
			sf = self.parts.names[z]
			if block:
				if self.parts.pictures[z] in blocks:
					menu.add_radiobutton(label = sf, state = DISABLED, variable = self.tkclass, value = z)
				else:
					menu.add_radiobutton(label = sf, state = NORMAL, variable = self.tkclass, value = z)
			else:
				menu.add_radiobutton(label = sf, variable = self.tkchangeclass, value = z, command = self.picmenu_changepc)
	def updatepicmenu(self):
		self.picmenu.delete(0, 99999) # Das ist unschön!

		self.picmenu.add_command(label = MENUNEWPICCLASS[LANG], command = self.createpic)
		self.picmenu.add_separator()

		self.picmenu_addmenus(self.picmenu, 1)
		changemenu = Menu()
		self.picmenu_addmenus(changemenu, 0)
		       
		self.picmenu.add_separator()

		self.picmenu.add_command(label = MENUNEWINSTANCE[LANG], command = self.picmenu_newpicture)
		self.picmenu.add_command(label = MENUDELCLASS[LANG], command = self.picmenu_delpc)
		self.picmenu.add_command(label = MENUSIZECHANGE[LANG], command = self.picmenu_changesize)
		self.picmenu.add_command(label = MENUADJUSTDXDY[LANG], command = self.picmenu_adjustdxdy)

		self.picmenu.add_cascade(label = MENUCHANGECLASS[LANG], menu = changemenu)
	def picmenu_getclass(self, nr = 0): # Liest tkclass aus und gibt Fehlermeldung und None bzw. Klasse
		blocks = rootpc.getallblocks(self.pic.pc) + [self.pic.pc]
		classnr = self.tkclass.get()
		if classnr == -1:
			self.status(STATUSNOCLASSEL[LANG])
			return None
		elif self.parts.pictures[classnr] in blocks:
			self.status(STATUSBLOCKED[LANG])
			return None
		else:
			if nr: # Nutzer der Klasse wählt, ob er Nummer oder Instanz braucht
				return classnr
			else:
				return self.parts.pictures[classnr]
	def picmenu_newpicture(self, event = None):
		picclass = self.picmenu_getclass()
		if picclass == None:
			return
		self.pendingpicel = picture(picclass, 1.0, self.pic.pc)
		self.mouseinputdepth = self.pendingpicel.clickdepth
		self.newpicel()
	def picmenu_delpc(self, event = None):
		nr = self.picmenu_getclass(nr = 1)
		if nr == None:
			return
		picclass = self.parts.pictures[nr]
		if picclass == None:
			return
		
		blocks = self.parts.pictures[0].getallblocks(self.parts.pictures[nr]) # Klassen bestimmen, in deren Instanzen die Klasse enthalten ist.
		if blocks != [] or nr == 0: # Löschbar ist er nur, wenn nirgendwo Instanzen lungern und es nicht das Hauptbild ist.
			self.status(STATUSDELCLASSREJECT[LANG])
			return
		del self.parts[nr]
	def picmenu_changepc(self, event = None):
		pc = self.parts.pictures[self.tkchangeclass.get()]
		self.viewpicture(pc)
		self.changeframe.destroy()
		self.update()
	def picmenu_changesize(self, event = None): # Fenster zur Größenänderung
		sc = sizechanger(self.root, self.pic.pc.xsize, self.pic.pc.ysize, self.pic.pc.name, self.parts.names, self.picmenu_sccb)
	def picmenu_sccb(self, xs, ys, name):
		self.pic.pc.xsize = xs
		self.pic.pc.ysize = ys
		
		self.parts.changename(self.pic.pc.name, name) # in parts und pc ändern
		
		self.canvas.delete(self.frameuid)
		self.frameuid = self.canvas.create_rectangle(0, fakt * self.pic.pc.ysize, fakt * self.pic.pc.xsize, 0, fill = None, outline = PICFRAMECOL)
		self.update()
	def picmenu_adjustdxdy(self, event = None):
		self.pic.pc.adjustdxdy()
		self.update()
	# ENDE picmenu
	def clip_copy(self, event = None):
			#def createpicwork(self, newpicclass, action):
		# action: 0: Instanz einfügen; action 1: Einzelelemente lassen; action 2: Einzelemente nur verschwinden lassen
		self.clipboard = pictureclass(0, 0, CLIPBOARDNAME)
		self.createpicwork(self.clipboard, 1)
		self.update()
	def clip_cut(self, event = None):
		self.clipboard = pictureclass(0, 0, CLIPBOARDNAME)
		self.createpicwork(self.clipboard, 2)
		self.update()
	def clip_paste(self, event = None):
		self.pendingpicel = picture(self.clipboard, 1.0, self.pic.pc)
		self.mouseinputdepth = self.pendingpicel.clickdepth
		self.newpicel() # done kümmert sich um die Auflösung in Einzelelemente
	# ENDE clip
	def viewpicture(self, picc):
		self.tkclass.set(-1) # Danach ist die angeklickte Klasse mgl. blockiert
		try:
			self.pic.undraw(self.canvas)
		except AttributeError:
			pass # Falls pic noch nicht existiert
		self.pic = picture(picc, 1.0, None)
	def donothing(self): # Um das Nebenfenster zu erhalten
		pass
	def drawgrid(self):
		self.griduids = []
		xanz = int(self.pic.pc.xsize / GRID)
		yanz = int(self.pic.pc.ysize / GRID)
		if xanz != 0:
			xstep = self.pic.pc.xsize / float(xanz)
		if yanz != 0:
			ystep = self.pic.pc.ysize / float(yanz)
		for z in range(xanz):
			self.griduids.append(self.canvas.create_line(fakt * (z * xstep),
								    fakt * (self.pic.pc.ysize - 0),
								    fakt * (z * xstep),
								    0, # fakt * (ysize - ysize)
								    fill = GRIDCOL))
		for z in range(yanz):
			self.griduids.append(self.canvas.create_line(0,
								     fakt * (self.pic.pc.ysize - z * ystep),
								     fakt * self.pic.pc.xsize,
								     fakt * (self.pic.pc.ysize - z * ystep),
								     fill = GRIDCOL))
		for uid in self.griduids:
			self.canvas.lower(uid)
	def undrawgrid(self):
		for uid in self.griduids:
			self.canvas.delete(uid)
	def update(self):
		# Rahmen und Netz und Bild entfernen (falls vorhanden)
		if self.frameuid != None:
			self.canvas.delete(self.frameuid)
		self.undrawgrid()
		self.pic.undraw(self.canvas)

		if FGRID:
			self.drawgrid()
		self.frameuid = self.canvas.create_rectangle(0, fakt * self.pic.pc.ysize, fakt * self.pic.pc.xsize, 0, fill = None, outline = PICFRAMECOL) # Rahmen
		
		self.pic.draw(0, 0, self.pic.pc.ysize, self.canvas) # Bild		
		self.canvas['scrollregion'] = self.canvas.bbox(ALL) # Scrollleisten einstellen
		self.selected = [] # mgl. Auswahl angezeigt löschen, Anzeige ist schon weg (Bilder auflösen könnte Ärger geben beim weiter halten)
	def status(self, text):
		self.statuslabel['text'] = text
	def editwin(self, event): # Dem Mausklick nächste Uid suchen, putter holen und aufrufen
		x = event.widget.canvasx(event.x)
		y = event.widget.canvasy(event.y)
		if FGRID: # Das Netz stört bei find-closest
			self.undrawgrid()
		uid = event.widget.find_closest(x, y)[0]
		if FGRID:
			self.drawgrid()
		putter = self.pic.getputter(uid)
		# Putter == 0: Rahmen wurde angeklickt:
		if putter == 0:
			return
		self.editwin2(putter)
	def editwin2(self, putter): # wird von putter und done (Objekt erzeugt) aufgerufen
		self.changeframe.destroy()
		self.changeframe = Frame(self.helperwin)
		self.changeframe.pack(fill = BOTH, expand = 1)
		putter.change(self.changeframe, self)
	def bindings(self, done, cancel):
		self.canvas.bind("<Motion>", self.motion)
		self.canvas.bind("<Button-1>", done)
		self.canvas.bind("<Button-3>", cancel)
		self.movecb_uids = []
	def unbind(self):
		self.canvas.bind("<Button-1>", self.editwin) # Zurückbinden
		self.canvas.unbind("<Motion>")
		self.canvas.unbind("<Button-3>")
	def motion(self, event):
		self.pendingputter.undraw(self.canvas)
		x = round(self.canvas.canvasx(event.x) / float(fakt * GRID)) * GRID
		y = self.pic.pc.ysize - round(self.canvas.canvasy(event.y) / float(fakt * GRID)) * GRID
		if self.motionmode == 0:
			self.pendingputter.x = x
			self.pendingputter.y = y
		elif self.motionmode == 1:
			self.pendingputter.minfo(x, y) # Information übertragen
		elif self.motionmode == 2:
			self.pendingputter.minfo2(x, y) # Falls drei Mausklicks nötig sein sollten ...
		self.pendingputter.draw(0, 0, self.pic.pc.ysize, self.canvas) # neu zeichnen
	def cancel(self, event):
		self.unbind()
		self.status(STATUSCANCEL[LANG])
		self.pendingputter.undraw(self.canvas)
		del self.pendingpicel
		del self.pendingputter
	def done(self, event):
		if self.mouseinputdepth == 1:
			self.pendingputter.x = round(self.canvas.canvasx(event.x) / float(fakt * GRID)) * GRID
			self.pendingputter.y = self.pic.pc.ysize - round(self.canvas.canvasy(event.y) / float(fakt * GRID)) * GRID		
		self.unbind()
		self.status(STATUSDONE[LANG])

		self.pic.putters.append(self.pendingputter) # Erstelltes Objekt einfügen sowie hiesige Referenz entfernen

		if not(self.pendingputter.pe.__class__ == picture and self.pendingputter.pe.pc.name == CLIPBOARDNAME):
			self.editwin2(self.pendingputter) # Auflöser!

		self.pendingputter.notifydone(self) # Benachrichtigung schicken

		del self.pendingpicel
		del self.pendingputter

		self.update() # UIDs auffrischen
	def clickcb(self, event):
		# Putter mit richtigen Anfangskoordinaten versorgen
		self.pendingputter.x = round(self.canvas.canvasx(event.x) / float(fakt * GRID)) * GRID
		self.pendingputter.y = self.pic.pc.ysize - round(self.canvas.canvasy(event.y) / float(fakt * GRID)) * GRID
		self.status(STATUSPOINT2[LANG])
		if self.mouseinputdepth == 2:
			self.bindings(self.done, self.cancel) # done, cancel und motion aktivieren
		elif self.mouseinputdepth == 3:
			self.bindings(self.clickcb2, self.cancel)
		elif self.mouseinputdepth == 200:
			self.bindings(self.getuids2, self.cancel)
		self.motionmode = 1
	def clickcb2(self, event):
		self.status(STATUSPOINT3[LANG])
		if self.mouseinputdepth == 3:
			self.bindings(self.done, self.cancel)
		self.motionmode = 2
	def newpicel(self, event = None):
		self.pendingputter = multiputter(0, 0, 0, 0, 1, self.pendingpicel)
		self.status(STATUSPOINT1[LANG])
		self.motionmode = 0
		if self.mouseinputdepth > 1:
			self.bindings(self.clickcb, self.cancel)
		else:
			self.bindings(self.done, self.cancel)
	def newline(self, event = None):
		self.pendingpicel = line(1, 1, 1, 0)
		self.mouseinputdepth = self.pendingpicel.clickdepth
		self.newpicel()
	def newvec(self, event = None):
		self.pendingpicel = line(1, 1, 1, 1)
		self.mouseinputdepth = self.pendingpicel.clickdepth
		self.newpicel()
	def newcircleas(self, event = None):
		self.pendingpicel = circle(1, 1)
		self.mouseinputdepth = self.pendingpicel.clickdepth
		self.newpicel()
	def newcircle(self, event = None):
		self.pendingpicel = circle(1, 0)
		self.mouseinputdepth = self.pendingpicel.clickdepth
		self.newpicel()
	def newoval(self, event = None):
		self.pendingpicel = oval(3, 2)
		self.mouseinputdepth = self.pendingpicel.clickdepth
		self.newpicel()
	def newbezier(self, event = None):
		self.pendingpicel = bezier(0, 0, 1, 1, 2, 1)
		self.mouseinputdepth = self.pendingpicel.clickdepth
		self.newpicel()
	def newbb(self, event = None):
		self.pendingpicel = bb(2, 2)
		self.mouseinputdepth = self.pendingpicel.clickdepth
		self.newpicel()
	def neweps(self, event = None):
		self.pendingpicel = eps()
		ft = [(FTLABEL[LANG], "*.eps")]
		filename = tkFileDialog.askopenfilename(title = EPSLOADTITLE[LANG], filetypes = ft)
		if FPIL:
			if not self.pendingpicel.loadfile(filename, self):
				del self.pendingpicel
				return
		else:
			self.pendingpicel.filename = filename
		self.mouseinputdepth = self.pendingpicel.clickdepth
		self.newpicel()		
	def newsimpletext(self, event = None):
		self.pendingpicel = simpletext(INITIALSIMPLETEXT[LANG])
		self.mouseinputdepth = self.pendingpicel.clickdepth
		self.newpicel()
	def newshortstack(self, event = None):
		self.pendingpicel = shortstack(1, INITIALSHORTSTACK[LANG])
		self.mouseinputdepth = self.pendingpicel.clickdepth
		self.newpicel()
	def newtextbox(self, event = None):
		self.pendingpicel = textbox(0, 0, 1, 1, DEFAULTDASHLEN, '')
		self.mouseinputdepth = self.pendingpicel.clickdepth
		self.newpicel()
	def getuids(self, event = None):
		self.pendingpicel = textbox(0, 0, 1, 1, 0, INITIALTEXTBOX[LANG])
		self.mouseinputdepth = 200
		self.newpicel()
		# Unschön (200): Teilt den Nachfolgenden Prozeduren mit, dass hier eigentlich nur die Anzeigeroutinen der Textbox benutzt werden, aber nur deren Koordinaten interessieren. Damit werden dann in einer veränderten Version von done die richtigen Koordinaten gesichert.
	def getuids2(self, event): # Genau hierhin. self.pendingpicel dürfte nun die gewünschten Daten enthalten
		self.update() # Eine einfache undraw-Routine scheitert daran, dass fill unterschiedliche Werte anfangs hat.
		# Koordinaten ausrechnen
		self.pendingputter.undraw(self.canvas) # Die uids löschen, die zum gezogenen Rahmen gehören, später wird er auch gelöscht.
		x = fakt * self.pendingputter.x
		y = fakt * (self.pic.pc.ysize - self.pendingputter.y)
		x2 = fakt * self.pendingpicel.dx + x
		y2 = fakt * (self.pic.pc.ysize - (self.pendingputter.y + self.pendingpicel.dy))
		uids = self.canvas.find_overlapping(x, y, x2, y2)
		uids = list(uids) # find liefert tupel

		putters = []
		for uid in uids:
			for putter in self.pic.putters:
				if uid in putter.uids and putter not in putters:
					putters.append(putter)
		self.selected = putters

		self.status(`len(putters)` + STATUSXELSSELECTED[LANG])

		# Hilfsrechteck nun endgültig löschen
		
		del self.pendingpicel
		del self.pendingputter

		self.unbind()
		self.select()
	def select(self): # Auswahl anzeigen
		for putter in self.selected:
			putter.mark(self.canvas)
	def clearselect(self, event = None): # Auswahl löschen
		self.selected = []
		self.status(STATUSDESELECT[LANG])
		self.update()
	def delselected(self, event = None, update = 1): # AusGEWÄHLTE löschen
		for putter in self.selected:
			putter.undraw(self.canvas)
			index = self.pic.putters.index(putter)
			del self.pic.putters[index]
		if update:
			self.status(STATUSELSDELETED[LANG])
			self.update()
	def createpic(self):
		if self.selected != []:
			# Namen abfragen und überprüfen
			name = tkSimpleDialog.askstring(PROGNAME, LABELNEWCLASSNAME[LANG])
			if name == None or not(self.parts.newname(name)) or name == "":
				self.status(STATUSINVALIDNAME[LANG])
				return
			pc = pictureclass(0, 0, name)
			self.createpicwork(pc, 0)
			self.update()
			self.parts.append(pc)
			self.status(STATUSNEWCLASS[LANG])
		else:
			self.status(STATUSNOSELECTION[LANG])
	def createpicwork(self, newpicclass, action):
		# action: 0: Instanz einfügen; action 1: Einzelelemente lassen; action 2: Einzelemente nur verschwinden lassen
		if self.selected != []:
			x1, y1, x2, y2 = plboundingbox(self.selected)
 			dx = x2 - x1
 			dy = y2 - y1

			newpicclass.xsize, newpicclass.ysize = dx, dy

			# Alle putter bewegen
			for putter in self.selected:
				putter.x -= x1
				putter.y -= y1
			# Neue Bildklasse damit füllen
			if action != 1: 
				newpicclass.putters = self.selected
			else: # Für Kopieren brauchen wir eine hier und eine Unabhängige in der Zwischenablage
				for el in self.selected:
					elcopy = el.copy()
					el.x += x1
					el.y += y1
					newpicclass.putters.append(elcopy)
			self.pic.undraw(self.canvas) # alle Canvasitems entfernen (Referenz könnte verschwinden)
			if action != 1:
				self.delselected(update = 0) # ... jetzt
			if action == 0:
				self.pic.putters.append( # Anstelle dessen kommte nur ein putter für das neu erstellte Objekt der neuen Klasse
					multiputter(x1, y1, 0, 0, 1, picture(newpicclass, 1.0, self.pic.pc))
					)
			self.changeframe.destroy()
	
class multiputter: # Steht für einen multiput-Befehl
	def dumptex(self):
		if self.pe.__class__ in [textbox, bb]: # Dieser macht das selbst, da LaTeX nicht mit negativen Höhen und Breiten rechnet.
			return self.pe.dumptex(self.x, self.y, self.dx, self.dy, self.n)
		else:
			if self.n != 1:
				sf = '\\multiput' + `(self.x, self.y)` + `(self.dx, self.dy)` + '{' + `self.n` + '}{'
			else:
				sf = '\\put' + `(self.x, self.y)` + '{'

			sf += self.pe.dumptex() + '}'
			return sf
	def __init__(self, x, y, dx, dy, n, pe):
		"dx, dy - jew. Verschiebung beim n-ten Anzeigen"
		self.x = x
		self.y = y
		self.pe = pe
		self.dx = dx
		self.dy = dy
		self.n = n
		self.multiput = 1
		self.uids = []
	def mark(self, canvas):
		for uid in self.uids:
			type = canvas.type(uid)
			if type in ['arc', 'oval']:
				canvas.itemconfigure(uid, outline = SELECTCOL)
			elif type == 'image':
				pass
			else:
				canvas.itemconfigure(uid, fill = SELECTCOL)
	def draw(self, x, y, maxy, canvas, scale = 1): # Element mehrfach zeichnen
		# Ist firstcall gesetzt, werden x- und y-Position nicht skaliert, aber scale übergeben.
		# Für den ersten Aufruf aus einem picture
		self.uids = []
		for z in range(self.n):
			self.uids += self.pe.draw(
				scale * (self.x + z * self.dx + x),
				scale * (self.y + z * self.dy + y),
				scale * maxy, canvas, scale)
		return self.uids
	def undraw(self, canvas):
		self.pe.undrawhook()
		for uid in self.uids:
			canvas.delete(uid)
		self.uids = []
	def minfo(self, x, y): # Leitet nur weiter
		self.pe.minfo(self.x, self.y, x, y)
	def minfo2(self, x, y):
		self.pe.minfo2(self.x, self.y, x, y)
	def dxdy(self): # Liefert Abmessungen des multiput in LaTeX-Koordinaten
		x1, y1, x2, y2 = self.pe.dxdy(self.x, self.y)
		if self.dx > 0:
			x2 += (self.n - 1) * self.dx
		else:
			x1 += (self.n - 1) * self.dx
		if self.dy > 0:
			y2 += (self.n - 1) * self.dy
		else:
			y1 += (self.n - 1) * self.dy
		return x1, y1, x2, y2
	# moveput, click2 und click3 nutzen vom mainwindow die Routinen in motionmode 0 bis 2
	def click2(self):
		self.pe.savestate()
		p = self.tkparent
		p.motionmode = 1
		p.pendingputter = self
		p.bindings(self.done, self.c23cancel)
	def click3(self):
		self.pe.savestate()
		p = self.tkparent
		p.motionmode = 2
		p.pendingputter = self
		p.bindings(self.done, self.c23cancel)
	def c23cancel(self, event):
		self.pe.cancel()
		self.cancel()
	def moveput(self):
		p = self.tkparent
		p.motionmode = 0
		self.cancelx = self.x
		self.cancely = self.y
		p.bindings(self.done, self.mpcancel)
		p.pendingputter = self
	def mpcancel(self, event):
		self.x = self.cancelx
		self.y = self.cancely
		self.cancel()
	def cancel(self):
		self.tkparent.status(STATUSCANCEL[LANG])
		del self.tkparent.pendingputter
		self.tkparent.unbind()
		self.tkparent.update()
	def done(self, event):
		self.tkparent.status(STATUSDONE[LANG])
		del self.tkparent.pendingputter
		self.tkparent.unbind()		
	def capply(self, event): # Eingegebene Felder lesen und fehlerprüfen
		try:
			self.dx = self.tkdx.get()
		except ValueError:
			self.tkdx.set(self.dx)
		try:
			self.dy = self.tkdy.get()
		except ValueError:
			self.tkdy.set(self.dy)
		try:
			if self.tkn.get() < 1:
				raise ValueError
			self.n = self.tkn.get()
			if self.n == 1:
				self.tkBMultiAuf['state'] = DISABLED
			else:
				self.tkBMultiAuf['state'] = NORMAL
		except ValueError:
			self.tkn.set(self.n)
		self.tkcallredraw()
	def change(self, frame, parent):
		# Multifelder anzeigen
		self.tkframe = frame # Speichern für die Auflösebefehle
		self.tkparent = parent
		self.tkcallredraw = parent.update
		Label(frame, text = '\[multi]put').grid(row = 0, column = 0, columnspan = 2)
		Label(frame, text = MULTIDX[LANG]).grid(row = 1, column = 0)
		Label(frame, text = MULTIDY[LANG]).grid(row = 2, column = 0)
		Label(frame, text = MULTIN[LANG]).grid(row = 3, column = 0)

		self.tkdx = DoubleVar()
		self.tkdy = DoubleVar()
		self.tkn = IntVar()
		self.tkdx.set(self.dx)
		self.tkdy.set(self.dy)
		self.tkn.set(self.n)
		e1 = Entry(frame, textvariable = self.tkdx)
		e1.grid(sticky = W + E, row = 1, column = 1)
		e2 = Entry(frame, textvariable = self.tkdy)
		e2.grid(sticky = W + E, row = 2, column = 1)
		e3 = Entry(frame, textvariable = self.tkn)
		e3.grid(sticky = W + E, row = 3, column = 1)
		e1.bind("<Return>", self.capply)
		e2.bind("<Return>", self.capply)
		e3.bind("<Return>", self.capply)

		# Punktfelder nach picel anzeigen
		Button(frame, text = MULTISETROOT[LANG], command = self.moveput).grid(row = 4, columnspan = 2, sticky = E + W)
		if self.pe.clickdepth > 1:
			Button(frame, text = MULTISETP2[LANG], command = self.click2).grid(row = 5, columnspan = 2, sticky = E + W)
		if self.pe.clickdepth > 2:
			Button(frame, text = MULTISETP3[LANG], command = self.click3).grid(row = 6, columnspan = 2, sticky = E + W)

		self.tkBMultiAuf = Button(frame, text = MULTIUNMULTI[LANG], state = [NORMAL, DISABLED][self.n == 1], command = self.cbMultiAuf)
		self.tkBMultiAuf.grid(row = 7, column = 0, sticky = E + W)
		if self.pe.__class__ == picture:
			Button(frame, text = MULTIUNPIC[LANG], command = self.cbPicAuf).grid(row = 7, column = 1, sticky = E + W)
		# picel auffordern, sein Konfigurationsfenster anzuzeigen
		peframe = Frame(frame, width = 100, height = 100, borderwidth = 2, relief = RIDGE)
		peframe.grid(sticky = N + S + W + E, columnspan = 2)

		self.pe.change(peframe, self.tkcallredraw)
	def copy(self):
		return multiputter(self.x, self.y, self.dx, self.dy, self.n, self.pe.copy())
	def cbMultiAuf(self): # Multiputter in viele putter auflösen
		# Referenz zum enthaltenden Bild holen
		putters = self.tkparent.pic.pc.putters # pic ist eigentlich nicht nötig
		# Neue Putter für n - 1 erstellen und sich selbst zurückstufen
		for z in range(1, self.n):			
			pecopy = self.pe.copy()
			newputter = multiputter(self.x + z * self.dx, self.y + z * self.dy, 0, 0, 1, pecopy)
			putters.append(newputter)
		self.dx = 0
		self.dy = 0
		self.n = 1
		# Änderungen anzeigen
		self.tkparent.update()
		self.tkframe.destroy()
	def cbPicAuf(self):
		self.undraw(self.tkparent.canvas)
		# Referenz zum enthaltenden Bild holen
		putters = self.tkparent.pic.pc.putters # pic ist eigentlich nicht nötig

		# Alle Bildelemente aus Klasse duplizieren und direkt in die enthaltende Klasse einfügen
		for z in range(self.n):
			for putter in self.pe.pc.putters:
				pecopy = putter.pe.copy()
				pecopy.doscale(self.pe.scale)
				newputter = multiputter(self.pe.scale * (putter.x + self.dx * z) + self.x,
							self.pe.scale * (putter.y + self.dy * z) + self.y,
							self.pe.scale * putter.dx,
							self.pe.scale * putter.dy,
							putter.n, pecopy)
				putters.append(newputter)
		del putters[putters.index(self)] # Die Instanz entfernt den letzten Bezug auf sich selbst.
		# Änderungen anzeigen
		self.tkparent.update()
		if self.__dict__.has_key("tkframe"):
			self.tkframe.destroy()
	def notifydone(self, parent):
		self.tkparent = parent
		if self.pe.__class__ == picture and self.pe.pc.name == CLIPBOARDNAME:
			self.cbPicAuf()
	def notifyunpickle(self, parent): # Dies wird für jedes frisch entpickelte Element aufgerufen.
		if self.pe.__class__ == eps:
			self.pe.loadfile(self.pe.filename, parent)
	def notifypickle(self, parent): # Dies wird für jedes frisch gepickelte Element aufgerufen.
		if self.pe.__class__ == eps:
			self.pe.loadfile(self.pe.filename, parent)
			parent.update()

class sizechanger: # Ändert dazu noch den Namen
	def __init__(self, root, sizex, sizey, name, names, changedcb):
		# Alte Werte; names: Liste der benutzten Namen; changedcb(x, y, name)
		self.sizex = sizex
		self.sizey = sizey
		self.name = name
		self.names = names
		self.changedcb = changedcb

		# Fenster erstellen
		self.tl = Toplevel(root)
		
		self.tkx = DoubleVar()
		self.tky = DoubleVar()
		self.tkname = StringVar()
		self.tkx.set(sizex)
		self.tky.set(sizey)
		self.tkname.set(name)
		Label(self.tl, text = SIZECHANGEX[LANG]).grid(row = 0, column = 0)
		Label(self.tl, text = SIZECHANGEY[LANG]).grid(row = 1, column = 0)
		Label(self.tl, text = SIZECHANGENAME[LANG]).grid(row = 2, column = 0)
		Entry(self.tl, textvariable = self.tkx).grid(row = 0, column = 1, sticky = E + W)
		Entry(self.tl, textvariable = self.tky).grid(row = 1, column = 1, sticky = E + W)
		Entry(self.tl, textvariable = self.tkname).grid(row = 2, column = 1, sticky = E + W)		
		Button(self.tl, command = self.apply, text = SIZECHANGEOK[LANG], state = ACTIVE).grid(row = 3, column = 0, columnspan = 2)
		self.tl.bind("<Return>", self.apply)
	def apply(self, event = None):
		xgot, ygot, namegot = self.tkx.get(), self.tky.get(), self.tkname.get()
		if xgot < 0:
			xgot = self.sizex
		if ygot < 0:
			ygot = self.sizey
		if namegot in self.names:
			namegot = self.name
		self.changedcb(xgot, ygot, namegot)
		self.tl.destroy()

rootpc = pictureclass(NEWPIC[0], NEWPIC[1], NEWPIC[2])

win = mainwindow(rootpc)
win.parts.append(rootpc)

win.update()

win.status(PROGNAME)

win.root.mainloop()