Mercurial > cpython-lru_cache-weakref
annotate Lib/idlelib/ScrolledList.py @ 54294:dba767bc3155 legacy-trunk
remove mention of old ctypes version
| author | Benjamin Peterson <benjamin@python.org> |
|---|---|
| date | Sat, 23 May 2009 20:59:09 +0000 |
| parents | b53604fad54b |
| children |
| rev | line source |
|---|---|
|
47183
b53604fad54b
Tkinter rename reversal: remove tkinter package, adapt imports and docs.
Georg Brandl <georg@python.org>
parents:
47101
diff
changeset
|
1 from Tkinter import * |
| 13975 | 2 |
| 3 class ScrolledList: | |
|
18564
aa34436145d0
py-cvs-rel2_1 (rev 1.5) merge - whitespace normalization
Kurt B. Kaiser <kbk@shore.net>
parents:
13975
diff
changeset
|
4 |
| 13975 | 5 default = "(None)" |
| 6 | |
| 7 def __init__(self, master, **options): | |
| 8 # Create top frame, with scrollbar and listbox | |
| 9 self.master = master | |
| 10 self.frame = frame = Frame(master) | |
| 11 self.frame.pack(fill="both", expand=1) | |
| 12 self.vbar = vbar = Scrollbar(frame, name="vbar") | |
| 13 self.vbar.pack(side="right", fill="y") | |
| 14 self.listbox = listbox = Listbox(frame, exportselection=0, | |
| 15 background="white") | |
| 16 if options: | |
| 17 listbox.configure(options) | |
| 18 listbox.pack(expand=1, fill="both") | |
| 19 # Tie listbox and scrollbar together | |
| 20 vbar["command"] = listbox.yview | |
| 21 listbox["yscrollcommand"] = vbar.set | |
| 22 # Bind events to the list box | |
| 23 listbox.bind("<ButtonRelease-1>", self.click_event) | |
| 24 listbox.bind("<Double-ButtonRelease-1>", self.double_click_event) | |
| 25 listbox.bind("<ButtonPress-3>", self.popup_event) | |
| 26 listbox.bind("<Key-Up>", self.up_event) | |
| 27 listbox.bind("<Key-Down>", self.down_event) | |
| 28 # Mark as empty | |
| 29 self.clear() | |
| 30 | |
| 31 def close(self): | |
| 32 self.frame.destroy() | |
| 33 | |
| 34 def clear(self): | |
| 35 self.listbox.delete(0, "end") | |
| 36 self.empty = 1 | |
| 37 self.listbox.insert("end", self.default) | |
| 38 | |
| 39 def append(self, item): | |
| 40 if self.empty: | |
| 41 self.listbox.delete(0, "end") | |
| 42 self.empty = 0 | |
| 43 self.listbox.insert("end", str(item)) | |
| 44 | |
| 45 def get(self, index): | |
| 46 return self.listbox.get(index) | |
| 47 | |
| 48 def click_event(self, event): | |
| 49 self.listbox.activate("@%d,%d" % (event.x, event.y)) | |
| 50 index = self.listbox.index("active") | |
| 51 self.select(index) | |
| 52 self.on_select(index) | |
| 53 return "break" | |
| 54 | |
| 55 def double_click_event(self, event): | |
| 56 index = self.listbox.index("active") | |
| 57 self.select(index) | |
| 58 self.on_double(index) | |
| 59 return "break" | |
| 60 | |
| 61 menu = None | |
| 62 | |
| 63 def popup_event(self, event): | |
| 64 if not self.menu: | |
| 65 self.make_menu() | |
| 66 menu = self.menu | |
| 67 self.listbox.activate("@%d,%d" % (event.x, event.y)) | |
| 68 index = self.listbox.index("active") | |
| 69 self.select(index) | |
| 70 menu.tk_popup(event.x_root, event.y_root) | |
| 71 | |
| 72 def make_menu(self): | |
| 73 menu = Menu(self.listbox, tearoff=0) | |
| 74 self.menu = menu | |
| 75 self.fill_menu() | |
| 76 | |
| 77 def up_event(self, event): | |
| 78 index = self.listbox.index("active") | |
| 79 if self.listbox.selection_includes(index): | |
| 80 index = index - 1 | |
| 81 else: | |
| 82 index = self.listbox.size() - 1 | |
| 83 if index < 0: | |
| 84 self.listbox.bell() | |
| 85 else: | |
| 86 self.select(index) | |
| 87 self.on_select(index) | |
| 88 return "break" | |
| 89 | |
| 90 def down_event(self, event): | |
| 91 index = self.listbox.index("active") | |
| 92 if self.listbox.selection_includes(index): | |
| 93 index = index + 1 | |
| 94 else: | |
| 95 index = 0 | |
| 96 if index >= self.listbox.size(): | |
| 97 self.listbox.bell() | |
| 98 else: | |
| 99 self.select(index) | |
| 100 self.on_select(index) | |
| 101 return "break" | |
| 102 | |
| 103 def select(self, index): | |
| 104 self.listbox.focus_set() | |
| 105 self.listbox.activate(index) | |
| 106 self.listbox.selection_clear(0, "end") | |
| 107 self.listbox.selection_set(index) | |
| 108 self.listbox.see(index) | |
| 109 | |
| 110 # Methods to override for specific actions | |
| 111 | |
| 112 def fill_menu(self): | |
| 113 pass | |
| 114 | |
| 115 def on_select(self, index): | |
| 116 pass | |
| 117 | |
| 118 def on_double(self, index): | |
| 119 pass | |
| 120 | |
| 121 | |
| 122 def test(): | |
| 123 root = Tk() | |
| 124 root.protocol("WM_DELETE_WINDOW", root.destroy) | |
| 125 class MyScrolledList(ScrolledList): | |
| 126 def fill_menu(self): self.menu.add_command(label="pass") | |
| 127 def on_select(self, index): print "select", self.get(index) | |
| 128 def on_double(self, index): print "double", self.get(index) | |
| 129 s = MyScrolledList(root) | |
| 130 for i in range(30): | |
| 131 s.append("item %02d" % i) | |
| 132 return root | |
| 133 | |
| 134 def main(): | |
| 135 root = test() | |
| 136 root.mainloop() | |
| 137 | |
| 138 if __name__ == '__main__': | |
| 139 main() |