158 lines
5.1 KiB
Python
158 lines
5.1 KiB
Python
'''Define SearchDialogBase used by Search, Replace, and Grep dialogs.'''
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from tkinter import *
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class SearchDialogBase:
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'''Create most of a modal search dialog (make_frame, create_widgets).
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The wide left column contains:
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1 or 2 text entry lines (create_entries, make_entry);
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a row of standard radiobuttons (create_option_buttons);
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a row of dialog specific radiobuttons (create_other_buttons).
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The narrow right column contains command buttons
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(create_command_buttons, make_button).
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These are bound to functions that execute the command.
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Except for command buttons, this base class is not limited to
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items common to all three subclasses. Rather, it is the Find dialog
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minus the "Find Next" command and its execution function.
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The other dialogs override methods to replace and add widgets.
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'''
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title = "Search Dialog"
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icon = "Search"
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needwrapbutton = 1
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def __init__(self, root, engine):
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self.root = root
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self.engine = engine
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self.top = None
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def open(self, text, searchphrase=None):
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self.text = text
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if not self.top:
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self.create_widgets()
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else:
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self.top.deiconify()
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self.top.tkraise()
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if searchphrase:
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self.ent.delete(0,"end")
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self.ent.insert("end",searchphrase)
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self.ent.focus_set()
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self.ent.selection_range(0, "end")
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self.ent.icursor(0)
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self.top.grab_set()
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def close(self, event=None):
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if self.top:
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self.top.grab_release()
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self.top.withdraw()
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def create_widgets(self):
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top = Toplevel(self.root)
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top.bind("<Return>", self.default_command)
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top.bind("<Escape>", self.close)
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top.protocol("WM_DELETE_WINDOW", self.close)
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top.wm_title(self.title)
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top.wm_iconname(self.icon)
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self.top = top
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self.row = 0
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self.top.grid_columnconfigure(0, pad=2, weight=0)
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self.top.grid_columnconfigure(1, pad=2, minsize=100, weight=100)
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self.create_entries()
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self.create_option_buttons()
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self.create_other_buttons()
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return self.create_command_buttons()
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def make_entry(self, label, var):
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l = Label(self.top, text=label)
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l.grid(row=self.row, column=0, sticky="nw")
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e = Entry(self.top, textvariable=var, exportselection=0)
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e.grid(row=self.row, column=1, sticky="nwe")
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self.row = self.row + 1
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return e
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def make_frame(self,labeltext=None):
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if labeltext:
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l = Label(self.top, text=labeltext)
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l.grid(row=self.row, column=0, sticky="nw")
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f = Frame(self.top)
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f.grid(row=self.row, column=1, columnspan=1, sticky="nwe")
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self.row = self.row + 1
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return f
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def make_button(self, label, command, isdef=0):
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b = Button(self.buttonframe,
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text=label, command=command,
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default=isdef and "active" or "normal")
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cols,rows=self.buttonframe.grid_size()
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b.grid(pady=1,row=rows,column=0,sticky="ew")
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self.buttonframe.grid(rowspan=rows+1)
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return b
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def create_entries(self):
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self.ent = self.make_entry("Find:", self.engine.patvar)
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def create_option_buttons(self):
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f = self.make_frame("Options")
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btn = Checkbutton(f, anchor="w",
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variable=self.engine.revar,
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text="Regular expression")
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btn.pack(side="left", fill="both")
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if self.engine.isre():
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btn.select()
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btn = Checkbutton(f, anchor="w",
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variable=self.engine.casevar,
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text="Match case")
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btn.pack(side="left", fill="both")
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if self.engine.iscase():
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btn.select()
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btn = Checkbutton(f, anchor="w",
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variable=self.engine.wordvar,
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text="Whole word")
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btn.pack(side="left", fill="both")
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if self.engine.isword():
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btn.select()
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if self.needwrapbutton:
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btn = Checkbutton(f, anchor="w",
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variable=self.engine.wrapvar,
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text="Wrap around")
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btn.pack(side="left", fill="both")
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if self.engine.iswrap():
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btn.select()
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def create_other_buttons(self):
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f = self.make_frame("Direction")
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#lbl = Label(f, text="Direction: ")
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#lbl.pack(side="left")
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btn = Radiobutton(f, anchor="w",
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variable=self.engine.backvar, value=1,
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text="Up")
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btn.pack(side="left", fill="both")
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if self.engine.isback():
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btn.select()
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btn = Radiobutton(f, anchor="w",
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variable=self.engine.backvar, value=0,
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text="Down")
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btn.pack(side="left", fill="both")
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if not self.engine.isback():
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btn.select()
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def create_command_buttons(self):
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#
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# place button frame on the right
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f = self.buttonframe = Frame(self.top)
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f.grid(row=0,column=2,padx=2,pady=2,ipadx=2,ipady=2)
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b = self.make_button("close", self.close)
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b.lower()
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