class SimpleEditor(Frame): # see PyEdit for more def __init__(self, parent=None, file=None): super().__init__(parent) #Frame.__init__(self, parent) self.pack() frm = Frame(self) frm.pack(fill=X) Button(frm, text='Save', command=self.onSave).pack(side=LEFT) Button(frm, text='Cut', command=self.onCut).pack(side=LEFT) Button(frm, text='Paste', command=self.onPaste).pack(side=LEFT) Button(frm, text='Find', command=self.onFind).pack(side=LEFT) Quitter(frm).pack(side=LEFT) self.st = ScrolledText(self, file=file) self.st.text.config(font=('courier', 9, 'normal')) def onSave(self): filename = asksaveasfilename() if filename: alltext = self.st.gettext() # first through last open(filename, 'w').write(alltext) # store text in file def onCut(self): text = self.st.text.get(SEL_FIRST, SEL_LAST) # error if no select self.st.text.delete(SEL_FIRST, SEL_LAST) # should wrap in try self.clipboard_clear() self.clipboard_append(text) def onPaste(self): # add clipboard text try: text = self.selection_get(selection='CLIPBOARD') self.st.text.insert(INSERT, text) except TclError: pass # not to be pasted def onFind(self): target = askstring('SimpleEditor', 'Search String?') if target: where = self.st.text.search(target, INSERT, END) # from insert cursor if where: # returns an index print(where) pastit = where + ('+%dc' % len(target)) # index past target #self.st.text.tag_remove(SEL, '1.0', END) # remove selection self.st.text.tag_add(SEL, where, pastit) # select found target self.st.text.mark_set(INSERT, pastit) # set insert mark self.st.text.see(INSERT) # scroll display self.st.text.focus() # select text widget
class SimpleEditor(Frame): # see PyEdit for more def __init__(self, parent=None, file=None): Frame.__init__(self, parent) self.pack() frm = Frame(self) frm.pack(fill=X) Button(frm, text='Save', command=self.onSave).pack(side=LEFT) Button(frm, text='Cut', command=self.onCut).pack(side=LEFT) Button(frm, text='Paste', command=self.onPaste).pack(side=LEFT) Button(frm, text='Find', command=self.onFind).pack(side=LEFT) Quitter(frm).pack(side=LEFT) self.st = ScrolledText(self, file=file) self.st.text.config(font=('courier', 9, 'normal')) def onSave(self): filename = asksaveasfilename() if filename: alltext = self.st.gettext() # first through last open(filename, 'w').write(alltext) # store text in file def onCut(self): text = self.st.text.get(SEL_FIRST, SEL_LAST) # error if no select self.st.text.delete(SEL_FIRST, SEL_LAST) # should wrap in try self.clipboard_clear() self.clipboard_append(text) def onPaste(self): # add clipboard text try: text = self.selection_get(selection='CLIPBOARD') self.st.text.insert(INSERT, text) except TclError: pass # not to be pasted def onFind(self): target = askstring('SimpleEditor', 'Search String?') if target: where = self.st.text.search(target, INSERT, END) # from insert cursor if where: # returns an index print(where) pastit = where + ('+%dc' % len(target)) # index past target #self.st.text.tag_remove(SEL, '1.0', END) # remove selection self.st.text.tag_add(SEL, where, pastit) # select found target self.st.text.mark_set(INSERT, pastit) # set insert mark self.st.text.see(INSERT) # scroll display self.st.text.focus() # select text widget