1 | n/a | from tkinter import TclError |
---|
2 | n/a | |
---|
3 | n/a | from idlelib import searchengine |
---|
4 | n/a | from idlelib.searchbase import SearchDialogBase |
---|
5 | n/a | |
---|
6 | n/a | def _setup(text): |
---|
7 | n/a | "Create or find the singleton SearchDialog instance." |
---|
8 | n/a | root = text._root() |
---|
9 | n/a | engine = searchengine.get(root) |
---|
10 | n/a | if not hasattr(engine, "_searchdialog"): |
---|
11 | n/a | engine._searchdialog = SearchDialog(root, engine) |
---|
12 | n/a | return engine._searchdialog |
---|
13 | n/a | |
---|
14 | n/a | def find(text): |
---|
15 | n/a | "Handle the editor edit menu item and corresponding event." |
---|
16 | n/a | pat = text.get("sel.first", "sel.last") |
---|
17 | n/a | return _setup(text).open(text, pat) # Open is inherited from SDBase. |
---|
18 | n/a | |
---|
19 | n/a | def find_again(text): |
---|
20 | n/a | "Handle the editor edit menu item and corresponding event." |
---|
21 | n/a | return _setup(text).find_again(text) |
---|
22 | n/a | |
---|
23 | n/a | def find_selection(text): |
---|
24 | n/a | "Handle the editor edit menu item and corresponding event." |
---|
25 | n/a | return _setup(text).find_selection(text) |
---|
26 | n/a | |
---|
27 | n/a | |
---|
28 | n/a | class SearchDialog(SearchDialogBase): |
---|
29 | n/a | |
---|
30 | n/a | def create_widgets(self): |
---|
31 | n/a | SearchDialogBase.create_widgets(self) |
---|
32 | n/a | self.make_button("Find Next", self.default_command, 1) |
---|
33 | n/a | |
---|
34 | n/a | def default_command(self, event=None): |
---|
35 | n/a | if not self.engine.getprog(): |
---|
36 | n/a | return |
---|
37 | n/a | self.find_again(self.text) |
---|
38 | n/a | |
---|
39 | n/a | def find_again(self, text): |
---|
40 | n/a | if not self.engine.getpat(): |
---|
41 | n/a | self.open(text) |
---|
42 | n/a | return False |
---|
43 | n/a | if not self.engine.getprog(): |
---|
44 | n/a | return False |
---|
45 | n/a | res = self.engine.search_text(text) |
---|
46 | n/a | if res: |
---|
47 | n/a | line, m = res |
---|
48 | n/a | i, j = m.span() |
---|
49 | n/a | first = "%d.%d" % (line, i) |
---|
50 | n/a | last = "%d.%d" % (line, j) |
---|
51 | n/a | try: |
---|
52 | n/a | selfirst = text.index("sel.first") |
---|
53 | n/a | sellast = text.index("sel.last") |
---|
54 | n/a | if selfirst == first and sellast == last: |
---|
55 | n/a | self.bell() |
---|
56 | n/a | return False |
---|
57 | n/a | except TclError: |
---|
58 | n/a | pass |
---|
59 | n/a | text.tag_remove("sel", "1.0", "end") |
---|
60 | n/a | text.tag_add("sel", first, last) |
---|
61 | n/a | text.mark_set("insert", self.engine.isback() and first or last) |
---|
62 | n/a | text.see("insert") |
---|
63 | n/a | return True |
---|
64 | n/a | else: |
---|
65 | n/a | self.bell() |
---|
66 | n/a | return False |
---|
67 | n/a | |
---|
68 | n/a | def find_selection(self, text): |
---|
69 | n/a | pat = text.get("sel.first", "sel.last") |
---|
70 | n/a | if pat: |
---|
71 | n/a | self.engine.setcookedpat(pat) |
---|
72 | n/a | return self.find_again(text) |
---|
73 | n/a | |
---|
74 | n/a | |
---|
75 | n/a | def _search_dialog(parent): # htest # |
---|
76 | n/a | "Display search test box." |
---|
77 | n/a | from tkinter import Toplevel, Text |
---|
78 | n/a | from tkinter.ttk import Button |
---|
79 | n/a | |
---|
80 | n/a | box = Toplevel(parent) |
---|
81 | n/a | box.title("Test SearchDialog") |
---|
82 | n/a | x, y = map(int, parent.geometry().split('+')[1:]) |
---|
83 | n/a | box.geometry("+%d+%d" % (x, y + 175)) |
---|
84 | n/a | text = Text(box, inactiveselectbackground='gray') |
---|
85 | n/a | text.pack() |
---|
86 | n/a | text.insert("insert","This is a sample string.\n"*5) |
---|
87 | n/a | |
---|
88 | n/a | def show_find(): |
---|
89 | n/a | text.tag_add('sel', '1.0', 'end') |
---|
90 | n/a | _setup(text).open(text) |
---|
91 | n/a | text.tag_remove('sel', '1.0', 'end') |
---|
92 | n/a | |
---|
93 | n/a | button = Button(box, text="Search (selection ignored)", command=show_find) |
---|
94 | n/a | button.pack() |
---|
95 | n/a | |
---|
96 | n/a | if __name__ == '__main__': |
---|
97 | n/a | import unittest |
---|
98 | n/a | unittest.main('idlelib.idle_test.test_search', |
---|
99 | n/a | verbosity=2, exit=False) |
---|
100 | n/a | |
---|
101 | n/a | from idlelib.idle_test.htest import run |
---|
102 | n/a | run(_search_dialog) |
---|