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@@ -1,1767 +1,1767 b'' | |||||
1 | # -*- coding: iso-8859-1 -*- |
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1 | # -*- coding: iso-8859-1 -*- | |
2 |
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2 | |||
3 | import curses, fcntl, signal, struct, tty, textwrap, inspect |
|
3 | import curses, fcntl, signal, struct, tty, textwrap, inspect | |
4 |
|
4 | |||
5 | from IPython.core import ipapi |
|
5 | from IPython.core import ipapi | |
6 |
|
6 | |||
7 | import astyle, ipipe |
|
7 | import astyle, ipipe | |
8 |
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8 | |||
9 |
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9 | |||
10 | # Python 2.3 compatibility |
|
10 | # Python 2.3 compatibility | |
11 | try: |
|
11 | try: | |
12 | set |
|
12 | set | |
13 | except NameError: |
|
13 | except NameError: | |
14 | import sets |
|
14 | import sets | |
15 | set = sets.Set |
|
15 | set = sets.Set | |
16 |
|
16 | |||
17 | # Python 2.3 compatibility |
|
17 | # Python 2.3 compatibility | |
18 | try: |
|
18 | try: | |
19 | sorted |
|
19 | sorted | |
20 | except NameError: |
|
20 | except NameError: | |
21 | from ipipe import sorted |
|
21 | from ipipe import sorted | |
22 |
|
22 | |||
23 |
|
23 | |||
24 | class UnassignedKeyError(Exception): |
|
24 | class UnassignedKeyError(Exception): | |
25 | """ |
|
25 | """ | |
26 | Exception that is used for reporting unassigned keys. |
|
26 | Exception that is used for reporting unassigned keys. | |
27 | """ |
|
27 | """ | |
28 |
|
28 | |||
29 |
|
29 | |||
30 | class UnknownCommandError(Exception): |
|
30 | class UnknownCommandError(Exception): | |
31 | """ |
|
31 | """ | |
32 | Exception that is used for reporting unknown commands (this should never |
|
32 | Exception that is used for reporting unknown commands (this should never | |
33 | happen). |
|
33 | happen). | |
34 | """ |
|
34 | """ | |
35 |
|
35 | |||
36 |
|
36 | |||
37 | class CommandError(Exception): |
|
37 | class CommandError(Exception): | |
38 | """ |
|
38 | """ | |
39 | Exception that is used for reporting that a command can't be executed. |
|
39 | Exception that is used for reporting that a command can't be executed. | |
40 | """ |
|
40 | """ | |
41 |
|
41 | |||
42 |
|
42 | |||
43 | class Keymap(dict): |
|
43 | class Keymap(dict): | |
44 | """ |
|
44 | """ | |
45 | Stores mapping of keys to commands. |
|
45 | Stores mapping of keys to commands. | |
46 | """ |
|
46 | """ | |
47 | def __init__(self): |
|
47 | def __init__(self): | |
48 | self._keymap = {} |
|
48 | self._keymap = {} | |
49 |
|
49 | |||
50 | def __setitem__(self, key, command): |
|
50 | def __setitem__(self, key, command): | |
51 | if isinstance(key, str): |
|
51 | if isinstance(key, str): | |
52 | for c in key: |
|
52 | for c in key: | |
53 | dict.__setitem__(self, ord(c), command) |
|
53 | dict.__setitem__(self, ord(c), command) | |
54 | else: |
|
54 | else: | |
55 | dict.__setitem__(self, key, command) |
|
55 | dict.__setitem__(self, key, command) | |
56 |
|
56 | |||
57 | def __getitem__(self, key): |
|
57 | def __getitem__(self, key): | |
58 | if isinstance(key, str): |
|
58 | if isinstance(key, str): | |
59 | key = ord(key) |
|
59 | key = ord(key) | |
60 | return dict.__getitem__(self, key) |
|
60 | return dict.__getitem__(self, key) | |
61 |
|
61 | |||
62 | def __detitem__(self, key): |
|
62 | def __detitem__(self, key): | |
63 | if isinstance(key, str): |
|
63 | if isinstance(key, str): | |
64 | key = ord(key) |
|
64 | key = ord(key) | |
65 | dict.__detitem__(self, key) |
|
65 | dict.__detitem__(self, key) | |
66 |
|
66 | |||
67 | def register(self, command, *keys): |
|
67 | def register(self, command, *keys): | |
68 | for key in keys: |
|
68 | for key in keys: | |
69 | self[key] = command |
|
69 | self[key] = command | |
70 |
|
70 | |||
71 | def get(self, key, default=None): |
|
71 | def get(self, key, default=None): | |
72 | if isinstance(key, str): |
|
72 | if isinstance(key, str): | |
73 | key = ord(key) |
|
73 | key = ord(key) | |
74 | return dict.get(self, key, default) |
|
74 | return dict.get(self, key, default) | |
75 |
|
75 | |||
76 | def findkey(self, command, default=ipipe.noitem): |
|
76 | def findkey(self, command, default=ipipe.noitem): | |
77 | for (key, commandcandidate) in self.iteritems(): |
|
77 | for (key, commandcandidate) in self.iteritems(): | |
78 | if commandcandidate == command: |
|
78 | if commandcandidate == command: | |
79 | return key |
|
79 | return key | |
80 | if default is ipipe.noitem: |
|
80 | if default is ipipe.noitem: | |
81 | raise KeyError(command) |
|
81 | raise KeyError(command) | |
82 | return default |
|
82 | return default | |
83 |
|
83 | |||
84 |
|
84 | |||
85 | class _BrowserCachedItem(object): |
|
85 | class _BrowserCachedItem(object): | |
86 | # This is used internally by ``ibrowse`` to store a item together with its |
|
86 | # This is used internally by ``ibrowse`` to store a item together with its | |
87 | # marked status. |
|
87 | # marked status. | |
88 | __slots__ = ("item", "marked") |
|
88 | __slots__ = ("item", "marked") | |
89 |
|
89 | |||
90 | def __init__(self, item): |
|
90 | def __init__(self, item): | |
91 | self.item = item |
|
91 | self.item = item | |
92 | self.marked = False |
|
92 | self.marked = False | |
93 |
|
93 | |||
94 |
|
94 | |||
95 | class _BrowserHelp(object): |
|
95 | class _BrowserHelp(object): | |
96 | style_header = astyle.Style.fromstr("yellow:black:bold") |
|
96 | style_header = astyle.Style.fromstr("yellow:black:bold") | |
97 | # This is used internally by ``ibrowse`` for displaying the help screen. |
|
97 | # This is used internally by ``ibrowse`` for displaying the help screen. | |
98 | def __init__(self, browser): |
|
98 | def __init__(self, browser): | |
99 | self.browser = browser |
|
99 | self.browser = browser | |
100 |
|
100 | |||
101 | def __xrepr__(self, mode): |
|
101 | def __xrepr__(self, mode): | |
102 | yield (-1, True) |
|
102 | yield (-1, True) | |
103 | if mode == "header" or mode == "footer": |
|
103 | if mode == "header" or mode == "footer": | |
104 | yield (astyle.style_default, "ibrowse help screen") |
|
104 | yield (astyle.style_default, "ibrowse help screen") | |
105 | else: |
|
105 | else: | |
106 | yield (astyle.style_default, repr(self)) |
|
106 | yield (astyle.style_default, repr(self)) | |
107 |
|
107 | |||
108 | def __iter__(self): |
|
108 | def __iter__(self): | |
109 | # Get reverse key mapping |
|
109 | # Get reverse key mapping | |
110 | allkeys = {} |
|
110 | allkeys = {} | |
111 | for (key, cmd) in self.browser.keymap.iteritems(): |
|
111 | for (key, cmd) in self.browser.keymap.iteritems(): | |
112 | allkeys.setdefault(cmd, []).append(key) |
|
112 | allkeys.setdefault(cmd, []).append(key) | |
113 |
|
113 | |||
114 | fields = ("key", "description") |
|
114 | fields = ("key", "description") | |
115 |
|
115 | |||
116 | commands = [] |
|
116 | commands = [] | |
117 | for name in dir(self.browser): |
|
117 | for name in dir(self.browser): | |
118 | if name.startswith("cmd_"): |
|
118 | if name.startswith("cmd_"): | |
119 | command = getattr(self.browser, name) |
|
119 | command = getattr(self.browser, name) | |
120 | commands.append((inspect.getsourcelines(command)[-1], name[4:], command)) |
|
120 | commands.append((inspect.getsourcelines(command)[-1], name[4:], command)) | |
121 | commands.sort() |
|
121 | commands.sort() | |
122 | commands = [(c[1], c[2]) for c in commands] |
|
122 | commands = [(c[1], c[2]) for c in commands] | |
123 | for (i, (name, command)) in enumerate(commands): |
|
123 | for (i, (name, command)) in enumerate(commands): | |
124 | if i: |
|
124 | if i: | |
125 | yield ipipe.Fields(fields, key="", description="") |
|
125 | yield ipipe.Fields(fields, key="", description="") | |
126 |
|
126 | |||
127 | description = command.__doc__ |
|
127 | description = command.__doc__ | |
128 | if description is None: |
|
128 | if description is None: | |
129 | lines = [] |
|
129 | lines = [] | |
130 | else: |
|
130 | else: | |
131 | lines = [l.strip() for l in description.splitlines() if l.strip()] |
|
131 | lines = [l.strip() for l in description.splitlines() if l.strip()] | |
132 | description = "\n".join(lines) |
|
132 | description = "\n".join(lines) | |
133 | lines = textwrap.wrap(description, 60) |
|
133 | lines = textwrap.wrap(description, 60) | |
134 | keys = allkeys.get(name, []) |
|
134 | keys = allkeys.get(name, []) | |
135 |
|
135 | |||
136 | yield ipipe.Fields(fields, key="", description=astyle.Text((self.style_header, name))) |
|
136 | yield ipipe.Fields(fields, key="", description=astyle.Text((self.style_header, name))) | |
137 | for i in xrange(max(len(keys), len(lines))): |
|
137 | for i in xrange(max(len(keys), len(lines))): | |
138 | try: |
|
138 | try: | |
139 | key = self.browser.keylabel(keys[i]) |
|
139 | key = self.browser.keylabel(keys[i]) | |
140 | except IndexError: |
|
140 | except IndexError: | |
141 | key = "" |
|
141 | key = "" | |
142 | try: |
|
142 | try: | |
143 | line = lines[i] |
|
143 | line = lines[i] | |
144 | except IndexError: |
|
144 | except IndexError: | |
145 | line = "" |
|
145 | line = "" | |
146 | yield ipipe.Fields(fields, key=key, description=line) |
|
146 | yield ipipe.Fields(fields, key=key, description=line) | |
147 |
|
147 | |||
148 |
|
148 | |||
149 | class _BrowserLevel(object): |
|
149 | class _BrowserLevel(object): | |
150 | # This is used internally to store the state (iterator, fetch items, |
|
150 | # This is used internally to store the state (iterator, fetch items, | |
151 | # position of cursor and screen, etc.) of one browser level |
|
151 | # position of cursor and screen, etc.) of one browser level | |
152 | # An ``ibrowse`` object keeps multiple ``_BrowserLevel`` objects in |
|
152 | # An ``ibrowse`` object keeps multiple ``_BrowserLevel`` objects in | |
153 | # a stack. |
|
153 | # a stack. | |
154 | def __init__(self, browser, input, mainsizey, *attrs): |
|
154 | def __init__(self, browser, input, mainsizey, *attrs): | |
155 | self.browser = browser |
|
155 | self.browser = browser | |
156 | self.input = input |
|
156 | self.input = input | |
157 | self.header = [x for x in ipipe.xrepr(input, "header") if not isinstance(x[0], int)] |
|
157 | self.header = [x for x in ipipe.xrepr(input, "header") if not isinstance(x[0], int)] | |
158 | # iterator for the input |
|
158 | # iterator for the input | |
159 | self.iterator = ipipe.xiter(input) |
|
159 | self.iterator = ipipe.xiter(input) | |
160 |
|
160 | |||
161 | # is the iterator exhausted? |
|
161 | # is the iterator exhausted? | |
162 | self.exhausted = False |
|
162 | self.exhausted = False | |
163 |
|
163 | |||
164 | # attributes to be display (autodetected if empty) |
|
164 | # attributes to be display (autodetected if empty) | |
165 | self.attrs = attrs |
|
165 | self.attrs = attrs | |
166 |
|
166 | |||
167 | # fetched items (+ marked flag) |
|
167 | # fetched items (+ marked flag) | |
168 | self.items = ipipe.deque() |
|
168 | self.items = ipipe.deque() | |
169 |
|
169 | |||
170 | # Number of marked objects |
|
170 | # Number of marked objects | |
171 | self.marked = 0 |
|
171 | self.marked = 0 | |
172 |
|
172 | |||
173 | # Vertical cursor position |
|
173 | # Vertical cursor position | |
174 | self.cury = 0 |
|
174 | self.cury = 0 | |
175 |
|
175 | |||
176 | # Horizontal cursor position |
|
176 | # Horizontal cursor position | |
177 | self.curx = 0 |
|
177 | self.curx = 0 | |
178 |
|
178 | |||
179 | # Index of first data column |
|
179 | # Index of first data column | |
180 | self.datastartx = 0 |
|
180 | self.datastartx = 0 | |
181 |
|
181 | |||
182 | # Index of first data line |
|
182 | # Index of first data line | |
183 | self.datastarty = 0 |
|
183 | self.datastarty = 0 | |
184 |
|
184 | |||
185 | # height of the data display area |
|
185 | # height of the data display area | |
186 | self.mainsizey = mainsizey |
|
186 | self.mainsizey = mainsizey | |
187 |
|
187 | |||
188 | # width of the data display area (changes when scrolling) |
|
188 | # width of the data display area (changes when scrolling) | |
189 | self.mainsizex = 0 |
|
189 | self.mainsizex = 0 | |
190 |
|
190 | |||
191 | # Size of row number (changes when scrolling) |
|
191 | # Size of row number (changes when scrolling) | |
192 | self.numbersizex = 0 |
|
192 | self.numbersizex = 0 | |
193 |
|
193 | |||
194 | # Attributes to display (in this order) |
|
194 | # Attributes to display (in this order) | |
195 | self.displayattrs = [] |
|
195 | self.displayattrs = [] | |
196 |
|
196 | |||
197 | # index and attribute under the cursor |
|
197 | # index and attribute under the cursor | |
198 | self.displayattr = (None, ipipe.noitem) |
|
198 | self.displayattr = (None, ipipe.noitem) | |
199 |
|
199 | |||
200 | # Maps attributes to column widths |
|
200 | # Maps attributes to column widths | |
201 | self.colwidths = {} |
|
201 | self.colwidths = {} | |
202 |
|
202 | |||
203 | # Set of hidden attributes |
|
203 | # Set of hidden attributes | |
204 | self.hiddenattrs = set() |
|
204 | self.hiddenattrs = set() | |
205 |
|
205 | |||
206 | # This takes care of all the caches etc. |
|
206 | # This takes care of all the caches etc. | |
207 | self.moveto(0, 0, refresh=True) |
|
207 | self.moveto(0, 0, refresh=True) | |
208 |
|
208 | |||
209 | def fetch(self, count): |
|
209 | def fetch(self, count): | |
210 | # Try to fill ``self.items`` with at least ``count`` objects. |
|
210 | # Try to fill ``self.items`` with at least ``count`` objects. | |
211 | have = len(self.items) |
|
211 | have = len(self.items) | |
212 | while not self.exhausted and have < count: |
|
212 | while not self.exhausted and have < count: | |
213 | try: |
|
213 | try: | |
214 | item = self.iterator.next() |
|
214 | item = self.iterator.next() | |
215 | except StopIteration: |
|
215 | except StopIteration: | |
216 | self.exhausted = True |
|
216 | self.exhausted = True | |
217 | break |
|
217 | break | |
218 | except (KeyboardInterrupt, SystemExit): |
|
218 | except (KeyboardInterrupt, SystemExit): | |
219 | raise |
|
219 | raise | |
220 | except Exception, exc: |
|
220 | except Exception, exc: | |
221 | have += 1 |
|
221 | have += 1 | |
222 | self.items.append(_BrowserCachedItem(exc)) |
|
222 | self.items.append(_BrowserCachedItem(exc)) | |
223 | self.exhausted = True |
|
223 | self.exhausted = True | |
224 | break |
|
224 | break | |
225 | else: |
|
225 | else: | |
226 | have += 1 |
|
226 | have += 1 | |
227 | self.items.append(_BrowserCachedItem(item)) |
|
227 | self.items.append(_BrowserCachedItem(item)) | |
228 |
|
228 | |||
229 | def calcdisplayattrs(self): |
|
229 | def calcdisplayattrs(self): | |
230 | # Calculate which attributes are available from the objects that are |
|
230 | # Calculate which attributes are available from the objects that are | |
231 | # currently visible on screen (and store it in ``self.displayattrs``) |
|
231 | # currently visible on screen (and store it in ``self.displayattrs``) | |
232 |
|
232 | |||
233 | attrs = set() |
|
233 | attrs = set() | |
234 | self.displayattrs = [] |
|
234 | self.displayattrs = [] | |
235 | if self.attrs: |
|
235 | if self.attrs: | |
236 | # If the browser object specifies a fixed list of attributes, |
|
236 | # If the browser object specifies a fixed list of attributes, | |
237 | # simply use it (removing hidden attributes). |
|
237 | # simply use it (removing hidden attributes). | |
238 | for attr in self.attrs: |
|
238 | for attr in self.attrs: | |
239 | attr = ipipe.upgradexattr(attr) |
|
239 | attr = ipipe.upgradexattr(attr) | |
240 | if attr not in attrs and attr not in self.hiddenattrs: |
|
240 | if attr not in attrs and attr not in self.hiddenattrs: | |
241 | self.displayattrs.append(attr) |
|
241 | self.displayattrs.append(attr) | |
242 | attrs.add(attr) |
|
242 | attrs.add(attr) | |
243 | else: |
|
243 | else: | |
244 | endy = min(self.datastarty+self.mainsizey, len(self.items)) |
|
244 | endy = min(self.datastarty+self.mainsizey, len(self.items)) | |
245 | for i in xrange(self.datastarty, endy): |
|
245 | for i in xrange(self.datastarty, endy): | |
246 | for attr in ipipe.xattrs(self.items[i].item, "default"): |
|
246 | for attr in ipipe.xattrs(self.items[i].item, "default"): | |
247 | if attr not in attrs and attr not in self.hiddenattrs: |
|
247 | if attr not in attrs and attr not in self.hiddenattrs: | |
248 | self.displayattrs.append(attr) |
|
248 | self.displayattrs.append(attr) | |
249 | attrs.add(attr) |
|
249 | attrs.add(attr) | |
250 |
|
250 | |||
251 | def getrow(self, i): |
|
251 | def getrow(self, i): | |
252 | # Return a dictionary with the attributes for the object |
|
252 | # Return a dictionary with the attributes for the object | |
253 | # ``self.items[i]``. Attribute names are taken from |
|
253 | # ``self.items[i]``. Attribute names are taken from | |
254 | # ``self.displayattrs`` so ``calcdisplayattrs()`` must have been |
|
254 | # ``self.displayattrs`` so ``calcdisplayattrs()`` must have been | |
255 | # called before. |
|
255 | # called before. | |
256 | row = {} |
|
256 | row = {} | |
257 | item = self.items[i].item |
|
257 | item = self.items[i].item | |
258 | for attr in self.displayattrs: |
|
258 | for attr in self.displayattrs: | |
259 | try: |
|
259 | try: | |
260 | value = attr.value(item) |
|
260 | value = attr.value(item) | |
261 | except (KeyboardInterrupt, SystemExit): |
|
261 | except (KeyboardInterrupt, SystemExit): | |
262 | raise |
|
262 | raise | |
263 | except Exception, exc: |
|
263 | except Exception, exc: | |
264 | value = exc |
|
264 | value = exc | |
265 | # only store attribute if it exists (or we got an exception) |
|
265 | # only store attribute if it exists (or we got an exception) | |
266 | if value is not ipipe.noitem: |
|
266 | if value is not ipipe.noitem: | |
267 | # remember alignment, length and colored text |
|
267 | # remember alignment, length and colored text | |
268 | row[attr] = ipipe.xformat(value, "cell", self.browser.maxattrlength) |
|
268 | row[attr] = ipipe.xformat(value, "cell", self.browser.maxattrlength) | |
269 | return row |
|
269 | return row | |
270 |
|
270 | |||
271 | def calcwidths(self): |
|
271 | def calcwidths(self): | |
272 | # Recalculate the displayed fields and their widths. |
|
272 | # Recalculate the displayed fields and their widths. | |
273 | # ``calcdisplayattrs()'' must have been called and the cache |
|
273 | # ``calcdisplayattrs()'' must have been called and the cache | |
274 | # for attributes of the objects on screen (``self.displayrows``) |
|
274 | # for attributes of the objects on screen (``self.displayrows``) | |
275 | # must have been filled. This sets ``self.colwidths`` which maps |
|
275 | # must have been filled. This sets ``self.colwidths`` which maps | |
276 | # attribute descriptors to widths. |
|
276 | # attribute descriptors to widths. | |
277 | self.colwidths = {} |
|
277 | self.colwidths = {} | |
278 | for row in self.displayrows: |
|
278 | for row in self.displayrows: | |
279 | for attr in self.displayattrs: |
|
279 | for attr in self.displayattrs: | |
280 | try: |
|
280 | try: | |
281 | length = row[attr][1] |
|
281 | length = row[attr][1] | |
282 | except KeyError: |
|
282 | except KeyError: | |
283 | length = 0 |
|
283 | length = 0 | |
284 | # always add attribute to colwidths, even if it doesn't exist |
|
284 | # always add attribute to colwidths, even if it doesn't exist | |
285 | if attr not in self.colwidths: |
|
285 | if attr not in self.colwidths: | |
286 | self.colwidths[attr] = len(attr.name()) |
|
286 | self.colwidths[attr] = len(attr.name()) | |
287 | newwidth = max(self.colwidths[attr], length) |
|
287 | newwidth = max(self.colwidths[attr], length) | |
288 | self.colwidths[attr] = newwidth |
|
288 | self.colwidths[attr] = newwidth | |
289 |
|
289 | |||
290 | # How many characters do we need to paint the largest item number? |
|
290 | # How many characters do we need to paint the largest item number? | |
291 | self.numbersizex = len(str(self.datastarty+self.mainsizey-1)) |
|
291 | self.numbersizex = len(str(self.datastarty+self.mainsizey-1)) | |
292 | # How must space have we got to display data? |
|
292 | # How must space have we got to display data? | |
293 | self.mainsizex = self.browser.scrsizex-self.numbersizex-3 |
|
293 | self.mainsizex = self.browser.scrsizex-self.numbersizex-3 | |
294 | # width of all columns |
|
294 | # width of all columns | |
295 | self.datasizex = sum(self.colwidths.itervalues()) + len(self.colwidths) |
|
295 | self.datasizex = sum(self.colwidths.itervalues()) + len(self.colwidths) | |
296 |
|
296 | |||
297 | def calcdisplayattr(self): |
|
297 | def calcdisplayattr(self): | |
298 | # Find out which attribute the cursor is on and store this |
|
298 | # Find out which attribute the cursor is on and store this | |
299 | # information in ``self.displayattr``. |
|
299 | # information in ``self.displayattr``. | |
300 | pos = 0 |
|
300 | pos = 0 | |
301 | for (i, attr) in enumerate(self.displayattrs): |
|
301 | for (i, attr) in enumerate(self.displayattrs): | |
302 | if pos+self.colwidths[attr] >= self.curx: |
|
302 | if pos+self.colwidths[attr] >= self.curx: | |
303 | self.displayattr = (i, attr) |
|
303 | self.displayattr = (i, attr) | |
304 | break |
|
304 | break | |
305 | pos += self.colwidths[attr]+1 |
|
305 | pos += self.colwidths[attr]+1 | |
306 | else: |
|
306 | else: | |
307 | self.displayattr = (None, ipipe.noitem) |
|
307 | self.displayattr = (None, ipipe.noitem) | |
308 |
|
308 | |||
309 | def moveto(self, x, y, refresh=False): |
|
309 | def moveto(self, x, y, refresh=False): | |
310 | # Move the cursor to the position ``(x,y)`` (in data coordinates, |
|
310 | # Move the cursor to the position ``(x,y)`` (in data coordinates, | |
311 | # not in screen coordinates). If ``refresh`` is true, all cached |
|
311 | # not in screen coordinates). If ``refresh`` is true, all cached | |
312 | # values will be recalculated (e.g. because the list has been |
|
312 | # values will be recalculated (e.g. because the list has been | |
313 | # resorted, so screen positions etc. are no longer valid). |
|
313 | # resorted, so screen positions etc. are no longer valid). | |
314 | olddatastarty = self.datastarty |
|
314 | olddatastarty = self.datastarty | |
315 | oldx = self.curx |
|
315 | oldx = self.curx | |
316 | oldy = self.cury |
|
316 | oldy = self.cury | |
317 | x = int(x+0.5) |
|
317 | x = int(x+0.5) | |
318 | y = int(y+0.5) |
|
318 | y = int(y+0.5) | |
319 | newx = x # remember where we wanted to move |
|
319 | newx = x # remember where we wanted to move | |
320 | newy = y # remember where we wanted to move |
|
320 | newy = y # remember where we wanted to move | |
321 |
|
321 | |||
322 | scrollbordery = min(self.browser.scrollbordery, self.mainsizey//2) |
|
322 | scrollbordery = min(self.browser.scrollbordery, self.mainsizey//2) | |
323 | scrollborderx = min(self.browser.scrollborderx, self.mainsizex//2) |
|
323 | scrollborderx = min(self.browser.scrollborderx, self.mainsizex//2) | |
324 |
|
324 | |||
325 | # Make sure that the cursor didn't leave the main area vertically |
|
325 | # Make sure that the cursor didn't leave the main area vertically | |
326 | if y < 0: |
|
326 | if y < 0: | |
327 | y = 0 |
|
327 | y = 0 | |
328 | # try to get enough items to fill the screen |
|
328 | # try to get enough items to fill the screen | |
329 | self.fetch(max(y+scrollbordery+1, self.mainsizey)) |
|
329 | self.fetch(max(y+scrollbordery+1, self.mainsizey)) | |
330 | if y >= len(self.items): |
|
330 | if y >= len(self.items): | |
331 | y = max(0, len(self.items)-1) |
|
331 | y = max(0, len(self.items)-1) | |
332 |
|
332 | |||
333 | # Make sure that the cursor stays on screen vertically |
|
333 | # Make sure that the cursor stays on screen vertically | |
334 | if y < self.datastarty+scrollbordery: |
|
334 | if y < self.datastarty+scrollbordery: | |
335 | self.datastarty = max(0, y-scrollbordery) |
|
335 | self.datastarty = max(0, y-scrollbordery) | |
336 | elif y >= self.datastarty+self.mainsizey-scrollbordery: |
|
336 | elif y >= self.datastarty+self.mainsizey-scrollbordery: | |
337 | self.datastarty = max(0, min(y-self.mainsizey+scrollbordery+1, |
|
337 | self.datastarty = max(0, min(y-self.mainsizey+scrollbordery+1, | |
338 | len(self.items)-self.mainsizey)) |
|
338 | len(self.items)-self.mainsizey)) | |
339 |
|
339 | |||
340 | if refresh: # Do we need to refresh the complete display? |
|
340 | if refresh: # Do we need to refresh the complete display? | |
341 | self.calcdisplayattrs() |
|
341 | self.calcdisplayattrs() | |
342 | endy = min(self.datastarty+self.mainsizey, len(self.items)) |
|
342 | endy = min(self.datastarty+self.mainsizey, len(self.items)) | |
343 | self.displayrows = map(self.getrow, xrange(self.datastarty, endy)) |
|
343 | self.displayrows = map(self.getrow, xrange(self.datastarty, endy)) | |
344 | self.calcwidths() |
|
344 | self.calcwidths() | |
345 | # Did we scroll vertically => update displayrows |
|
345 | # Did we scroll vertically => update displayrows | |
346 | # and various other attributes |
|
346 | # and various other attributes | |
347 | elif self.datastarty != olddatastarty: |
|
347 | elif self.datastarty != olddatastarty: | |
348 | # Recalculate which attributes we have to display |
|
348 | # Recalculate which attributes we have to display | |
349 | olddisplayattrs = self.displayattrs |
|
349 | olddisplayattrs = self.displayattrs | |
350 | self.calcdisplayattrs() |
|
350 | self.calcdisplayattrs() | |
351 | # If there are new attributes, recreate the cache |
|
351 | # If there are new attributes, recreate the cache | |
352 | if self.displayattrs != olddisplayattrs: |
|
352 | if self.displayattrs != olddisplayattrs: | |
353 | endy = min(self.datastarty+self.mainsizey, len(self.items)) |
|
353 | endy = min(self.datastarty+self.mainsizey, len(self.items)) | |
354 | self.displayrows = map(self.getrow, xrange(self.datastarty, endy)) |
|
354 | self.displayrows = map(self.getrow, xrange(self.datastarty, endy)) | |
355 | elif self.datastarty<olddatastarty: # we did scroll up |
|
355 | elif self.datastarty<olddatastarty: # we did scroll up | |
356 | # drop rows from the end |
|
356 | # drop rows from the end | |
357 | del self.displayrows[self.datastarty-olddatastarty:] |
|
357 | del self.displayrows[self.datastarty-olddatastarty:] | |
358 | # fetch new items |
|
358 | # fetch new items | |
359 | for i in xrange(min(olddatastarty, self.datastarty+self.mainsizey)-1, |
|
359 | for i in xrange(min(olddatastarty, self.datastarty+self.mainsizey)-1, | |
360 | self.datastarty-1, -1): |
|
360 | self.datastarty-1, -1): | |
361 | try: |
|
361 | try: | |
362 | row = self.getrow(i) |
|
362 | row = self.getrow(i) | |
363 | except IndexError: |
|
363 | except IndexError: | |
364 | # we didn't have enough objects to fill the screen |
|
364 | # we didn't have enough objects to fill the screen | |
365 | break |
|
365 | break | |
366 | self.displayrows.insert(0, row) |
|
366 | self.displayrows.insert(0, row) | |
367 | else: # we did scroll down |
|
367 | else: # we did scroll down | |
368 | # drop rows from the start |
|
368 | # drop rows from the start | |
369 | del self.displayrows[:self.datastarty-olddatastarty] |
|
369 | del self.displayrows[:self.datastarty-olddatastarty] | |
370 | # fetch new items |
|
370 | # fetch new items | |
371 | for i in xrange(max(olddatastarty+self.mainsizey, self.datastarty), |
|
371 | for i in xrange(max(olddatastarty+self.mainsizey, self.datastarty), | |
372 | self.datastarty+self.mainsizey): |
|
372 | self.datastarty+self.mainsizey): | |
373 | try: |
|
373 | try: | |
374 | row = self.getrow(i) |
|
374 | row = self.getrow(i) | |
375 | except IndexError: |
|
375 | except IndexError: | |
376 | # we didn't have enough objects to fill the screen |
|
376 | # we didn't have enough objects to fill the screen | |
377 | break |
|
377 | break | |
378 | self.displayrows.append(row) |
|
378 | self.displayrows.append(row) | |
379 | self.calcwidths() |
|
379 | self.calcwidths() | |
380 |
|
380 | |||
381 | # Make sure that the cursor didn't leave the data area horizontally |
|
381 | # Make sure that the cursor didn't leave the data area horizontally | |
382 | if x < 0: |
|
382 | if x < 0: | |
383 | x = 0 |
|
383 | x = 0 | |
384 | elif x >= self.datasizex: |
|
384 | elif x >= self.datasizex: | |
385 | x = max(0, self.datasizex-1) |
|
385 | x = max(0, self.datasizex-1) | |
386 |
|
386 | |||
387 | # Make sure that the cursor stays on screen horizontally |
|
387 | # Make sure that the cursor stays on screen horizontally | |
388 | if x < self.datastartx+scrollborderx: |
|
388 | if x < self.datastartx+scrollborderx: | |
389 | self.datastartx = max(0, x-scrollborderx) |
|
389 | self.datastartx = max(0, x-scrollborderx) | |
390 | elif x >= self.datastartx+self.mainsizex-scrollborderx: |
|
390 | elif x >= self.datastartx+self.mainsizex-scrollborderx: | |
391 | self.datastartx = max(0, min(x-self.mainsizex+scrollborderx+1, |
|
391 | self.datastartx = max(0, min(x-self.mainsizex+scrollborderx+1, | |
392 | self.datasizex-self.mainsizex)) |
|
392 | self.datasizex-self.mainsizex)) | |
393 |
|
393 | |||
394 | if x == oldx and y == oldy and (x != newx or y != newy): # couldn't move |
|
394 | if x == oldx and y == oldy and (x != newx or y != newy): # couldn't move | |
395 | self.browser.beep() |
|
395 | self.browser.beep() | |
396 | else: |
|
396 | else: | |
397 | self.curx = x |
|
397 | self.curx = x | |
398 | self.cury = y |
|
398 | self.cury = y | |
399 | self.calcdisplayattr() |
|
399 | self.calcdisplayattr() | |
400 |
|
400 | |||
401 | def sort(self, key, reverse=False): |
|
401 | def sort(self, key, reverse=False): | |
402 | """ |
|
402 | """ | |
403 | Sort the currently list of items using the key function ``key``. If |
|
403 | Sort the currently list of items using the key function ``key``. If | |
404 | ``reverse`` is true the sort order is reversed. |
|
404 | ``reverse`` is true the sort order is reversed. | |
405 | """ |
|
405 | """ | |
406 | curitem = self.items[self.cury] # Remember where the cursor is now |
|
406 | curitem = self.items[self.cury] # Remember where the cursor is now | |
407 |
|
407 | |||
408 | # Sort items |
|
408 | # Sort items | |
409 | def realkey(item): |
|
409 | def realkey(item): | |
410 | return key(item.item) |
|
410 | return key(item.item) | |
411 | self.items = ipipe.deque(sorted(self.items, key=realkey, reverse=reverse)) |
|
411 | self.items = ipipe.deque(sorted(self.items, key=realkey, reverse=reverse)) | |
412 |
|
412 | |||
413 | # Find out where the object under the cursor went |
|
413 | # Find out where the object under the cursor went | |
414 | cury = self.cury |
|
414 | cury = self.cury | |
415 | for (i, item) in enumerate(self.items): |
|
415 | for (i, item) in enumerate(self.items): | |
416 | if item is curitem: |
|
416 | if item is curitem: | |
417 | cury = i |
|
417 | cury = i | |
418 | break |
|
418 | break | |
419 |
|
419 | |||
420 | self.moveto(self.curx, cury, refresh=True) |
|
420 | self.moveto(self.curx, cury, refresh=True) | |
421 |
|
421 | |||
422 | def refresh(self): |
|
422 | def refresh(self): | |
423 | """ |
|
423 | """ | |
424 | Restart iterating the input. |
|
424 | Restart iterating the input. | |
425 | """ |
|
425 | """ | |
426 | self.iterator = ipipe.xiter(self.input) |
|
426 | self.iterator = ipipe.xiter(self.input) | |
427 | self.items.clear() |
|
427 | self.items.clear() | |
428 | self.exhausted = False |
|
428 | self.exhausted = False | |
429 | self.datastartx = self.datastarty = 0 |
|
429 | self.datastartx = self.datastarty = 0 | |
430 | self.moveto(0, 0, refresh=True) |
|
430 | self.moveto(0, 0, refresh=True) | |
431 |
|
431 | |||
432 | def refreshfind(self): |
|
432 | def refreshfind(self): | |
433 | """ |
|
433 | """ | |
434 | Restart iterating the input and go back to the same object as before |
|
434 | Restart iterating the input and go back to the same object as before | |
435 | (if it can be found in the new iterator). |
|
435 | (if it can be found in the new iterator). | |
436 | """ |
|
436 | """ | |
437 | try: |
|
437 | try: | |
438 | oldobject = self.items[self.cury].item |
|
438 | oldobject = self.items[self.cury].item | |
439 | except IndexError: |
|
439 | except IndexError: | |
440 | oldobject = ipipe.noitem |
|
440 | oldobject = ipipe.noitem | |
441 | self.iterator = ipipe.xiter(self.input) |
|
441 | self.iterator = ipipe.xiter(self.input) | |
442 | self.items.clear() |
|
442 | self.items.clear() | |
443 | self.exhausted = False |
|
443 | self.exhausted = False | |
444 | while True: |
|
444 | while True: | |
445 | self.fetch(len(self.items)+1) |
|
445 | self.fetch(len(self.items)+1) | |
446 | if self.exhausted: |
|
446 | if self.exhausted: | |
447 | curses.beep() |
|
447 | curses.beep() | |
448 | self.datastartx = self.datastarty = 0 |
|
448 | self.datastartx = self.datastarty = 0 | |
449 | self.moveto(self.curx, 0, refresh=True) |
|
449 | self.moveto(self.curx, 0, refresh=True) | |
450 | break |
|
450 | break | |
451 | if self.items[-1].item == oldobject: |
|
451 | if self.items[-1].item == oldobject: | |
452 | self.datastartx = self.datastarty = 0 |
|
452 | self.datastartx = self.datastarty = 0 | |
453 | self.moveto(self.curx, len(self.items)-1, refresh=True) |
|
453 | self.moveto(self.curx, len(self.items)-1, refresh=True) | |
454 | break |
|
454 | break | |
455 |
|
455 | |||
456 |
|
456 | |||
457 | class _CommandInput(object): |
|
457 | class _CommandInput(object): | |
458 | keymap = Keymap() |
|
458 | keymap = Keymap() | |
459 | keymap.register("left", curses.KEY_LEFT) |
|
459 | keymap.register("left", curses.KEY_LEFT) | |
460 | keymap.register("right", curses.KEY_RIGHT) |
|
460 | keymap.register("right", curses.KEY_RIGHT) | |
461 | keymap.register("home", curses.KEY_HOME, "\x01") # Ctrl-A |
|
461 | keymap.register("home", curses.KEY_HOME, "\x01") # Ctrl-A | |
462 | keymap.register("end", curses.KEY_END, "\x05") # Ctrl-E |
|
462 | keymap.register("end", curses.KEY_END, "\x05") # Ctrl-E | |
463 | # FIXME: What's happening here? |
|
463 | # FIXME: What's happening here? | |
464 | keymap.register("backspace", curses.KEY_BACKSPACE, "\x08\x7f") |
|
464 | keymap.register("backspace", curses.KEY_BACKSPACE, "\x08\x7f") | |
465 | keymap.register("delete", curses.KEY_DC) |
|
465 | keymap.register("delete", curses.KEY_DC) | |
466 | keymap.register("delend", 0x0b) # Ctrl-K |
|
466 | keymap.register("delend", 0x0b) # Ctrl-K | |
467 | keymap.register("execute", "\r\n") |
|
467 | keymap.register("execute", "\r\n") | |
468 | keymap.register("up", curses.KEY_UP) |
|
468 | keymap.register("up", curses.KEY_UP) | |
469 | keymap.register("down", curses.KEY_DOWN) |
|
469 | keymap.register("down", curses.KEY_DOWN) | |
470 | keymap.register("incsearchup", curses.KEY_PPAGE) |
|
470 | keymap.register("incsearchup", curses.KEY_PPAGE) | |
471 | keymap.register("incsearchdown", curses.KEY_NPAGE) |
|
471 | keymap.register("incsearchdown", curses.KEY_NPAGE) | |
472 | keymap.register("exit", "\x18"), # Ctrl-X |
|
472 | keymap.register("exit", "\x18"), # Ctrl-X | |
473 |
|
473 | |||
474 | def __init__(self, prompt): |
|
474 | def __init__(self, prompt): | |
475 | self.prompt = prompt |
|
475 | self.prompt = prompt | |
476 | self.history = [] |
|
476 | self.history = [] | |
477 | self.maxhistory = 100 |
|
477 | self.maxhistory = 100 | |
478 | self.input = "" |
|
478 | self.input = "" | |
479 | self.curx = 0 |
|
479 | self.curx = 0 | |
480 | self.cury = -1 # blank line |
|
480 | self.cury = -1 # blank line | |
481 |
|
481 | |||
482 | def start(self): |
|
482 | def start(self): | |
483 | self.input = "" |
|
483 | self.input = "" | |
484 | self.curx = 0 |
|
484 | self.curx = 0 | |
485 | self.cury = -1 # blank line |
|
485 | self.cury = -1 # blank line | |
486 |
|
486 | |||
487 | def handlekey(self, browser, key): |
|
487 | def handlekey(self, browser, key): | |
488 | cmdname = self.keymap.get(key, None) |
|
488 | cmdname = self.keymap.get(key, None) | |
489 | if cmdname is not None: |
|
489 | if cmdname is not None: | |
490 | cmdfunc = getattr(self, "cmd_%s" % cmdname, None) |
|
490 | cmdfunc = getattr(self, "cmd_%s" % cmdname, None) | |
491 | if cmdfunc is not None: |
|
491 | if cmdfunc is not None: | |
492 | return cmdfunc(browser) |
|
492 | return cmdfunc(browser) | |
493 | curses.beep() |
|
493 | curses.beep() | |
494 | elif key != -1: |
|
494 | elif key != -1: | |
495 | try: |
|
495 | try: | |
496 | char = chr(key) |
|
496 | char = chr(key) | |
497 | except ValueError: |
|
497 | except ValueError: | |
498 | curses.beep() |
|
498 | curses.beep() | |
499 | else: |
|
499 | else: | |
500 | return self.handlechar(browser, char) |
|
500 | return self.handlechar(browser, char) | |
501 |
|
501 | |||
502 | def handlechar(self, browser, char): |
|
502 | def handlechar(self, browser, char): | |
503 | self.input = self.input[:self.curx] + char + self.input[self.curx:] |
|
503 | self.input = self.input[:self.curx] + char + self.input[self.curx:] | |
504 | self.curx += 1 |
|
504 | self.curx += 1 | |
505 | return True |
|
505 | return True | |
506 |
|
506 | |||
507 | def dohistory(self): |
|
507 | def dohistory(self): | |
508 | self.history.insert(0, self.input) |
|
508 | self.history.insert(0, self.input) | |
509 | del self.history[:-self.maxhistory] |
|
509 | del self.history[:-self.maxhistory] | |
510 |
|
510 | |||
511 | def cmd_backspace(self, browser): |
|
511 | def cmd_backspace(self, browser): | |
512 | if self.curx: |
|
512 | if self.curx: | |
513 | self.input = self.input[:self.curx-1] + self.input[self.curx:] |
|
513 | self.input = self.input[:self.curx-1] + self.input[self.curx:] | |
514 | self.curx -= 1 |
|
514 | self.curx -= 1 | |
515 | return True |
|
515 | return True | |
516 | else: |
|
516 | else: | |
517 | curses.beep() |
|
517 | curses.beep() | |
518 |
|
518 | |||
519 | def cmd_delete(self, browser): |
|
519 | def cmd_delete(self, browser): | |
520 | if self.curx<len(self.input): |
|
520 | if self.curx<len(self.input): | |
521 | self.input = self.input[:self.curx] + self.input[self.curx+1:] |
|
521 | self.input = self.input[:self.curx] + self.input[self.curx+1:] | |
522 | return True |
|
522 | return True | |
523 | else: |
|
523 | else: | |
524 | curses.beep() |
|
524 | curses.beep() | |
525 |
|
525 | |||
526 | def cmd_delend(self, browser): |
|
526 | def cmd_delend(self, browser): | |
527 | if self.curx<len(self.input): |
|
527 | if self.curx<len(self.input): | |
528 | self.input = self.input[:self.curx] |
|
528 | self.input = self.input[:self.curx] | |
529 | return True |
|
529 | return True | |
530 |
|
530 | |||
531 | def cmd_left(self, browser): |
|
531 | def cmd_left(self, browser): | |
532 | if self.curx: |
|
532 | if self.curx: | |
533 | self.curx -= 1 |
|
533 | self.curx -= 1 | |
534 | return True |
|
534 | return True | |
535 | else: |
|
535 | else: | |
536 | curses.beep() |
|
536 | curses.beep() | |
537 |
|
537 | |||
538 | def cmd_right(self, browser): |
|
538 | def cmd_right(self, browser): | |
539 | if self.curx < len(self.input): |
|
539 | if self.curx < len(self.input): | |
540 | self.curx += 1 |
|
540 | self.curx += 1 | |
541 | return True |
|
541 | return True | |
542 | else: |
|
542 | else: | |
543 | curses.beep() |
|
543 | curses.beep() | |
544 |
|
544 | |||
545 | def cmd_home(self, browser): |
|
545 | def cmd_home(self, browser): | |
546 | if self.curx: |
|
546 | if self.curx: | |
547 | self.curx = 0 |
|
547 | self.curx = 0 | |
548 | return True |
|
548 | return True | |
549 | else: |
|
549 | else: | |
550 | curses.beep() |
|
550 | curses.beep() | |
551 |
|
551 | |||
552 | def cmd_end(self, browser): |
|
552 | def cmd_end(self, browser): | |
553 | if self.curx < len(self.input): |
|
553 | if self.curx < len(self.input): | |
554 | self.curx = len(self.input) |
|
554 | self.curx = len(self.input) | |
555 | return True |
|
555 | return True | |
556 | else: |
|
556 | else: | |
557 | curses.beep() |
|
557 | curses.beep() | |
558 |
|
558 | |||
559 | def cmd_up(self, browser): |
|
559 | def cmd_up(self, browser): | |
560 | if self.cury < len(self.history)-1: |
|
560 | if self.cury < len(self.history)-1: | |
561 | self.cury += 1 |
|
561 | self.cury += 1 | |
562 | self.input = self.history[self.cury] |
|
562 | self.input = self.history[self.cury] | |
563 | self.curx = len(self.input) |
|
563 | self.curx = len(self.input) | |
564 | return True |
|
564 | return True | |
565 | else: |
|
565 | else: | |
566 | curses.beep() |
|
566 | curses.beep() | |
567 |
|
567 | |||
568 | def cmd_down(self, browser): |
|
568 | def cmd_down(self, browser): | |
569 | if self.cury >= 0: |
|
569 | if self.cury >= 0: | |
570 | self.cury -= 1 |
|
570 | self.cury -= 1 | |
571 | if self.cury>=0: |
|
571 | if self.cury>=0: | |
572 | self.input = self.history[self.cury] |
|
572 | self.input = self.history[self.cury] | |
573 | else: |
|
573 | else: | |
574 | self.input = "" |
|
574 | self.input = "" | |
575 | self.curx = len(self.input) |
|
575 | self.curx = len(self.input) | |
576 | return True |
|
576 | return True | |
577 | else: |
|
577 | else: | |
578 | curses.beep() |
|
578 | curses.beep() | |
579 |
|
579 | |||
580 | def cmd_incsearchup(self, browser): |
|
580 | def cmd_incsearchup(self, browser): | |
581 | prefix = self.input[:self.curx] |
|
581 | prefix = self.input[:self.curx] | |
582 | cury = self.cury |
|
582 | cury = self.cury | |
583 | while True: |
|
583 | while True: | |
584 | cury += 1 |
|
584 | cury += 1 | |
585 | if cury >= len(self.history): |
|
585 | if cury >= len(self.history): | |
586 | break |
|
586 | break | |
587 | if self.history[cury].startswith(prefix): |
|
587 | if self.history[cury].startswith(prefix): | |
588 | self.input = self.history[cury] |
|
588 | self.input = self.history[cury] | |
589 | self.cury = cury |
|
589 | self.cury = cury | |
590 | return True |
|
590 | return True | |
591 | curses.beep() |
|
591 | curses.beep() | |
592 |
|
592 | |||
593 | def cmd_incsearchdown(self, browser): |
|
593 | def cmd_incsearchdown(self, browser): | |
594 | prefix = self.input[:self.curx] |
|
594 | prefix = self.input[:self.curx] | |
595 | cury = self.cury |
|
595 | cury = self.cury | |
596 | while True: |
|
596 | while True: | |
597 | cury -= 1 |
|
597 | cury -= 1 | |
598 | if cury <= 0: |
|
598 | if cury <= 0: | |
599 | break |
|
599 | break | |
600 | if self.history[cury].startswith(prefix): |
|
600 | if self.history[cury].startswith(prefix): | |
601 | self.input = self.history[self.cury] |
|
601 | self.input = self.history[self.cury] | |
602 | self.cury = cury |
|
602 | self.cury = cury | |
603 | return True |
|
603 | return True | |
604 | curses.beep() |
|
604 | curses.beep() | |
605 |
|
605 | |||
606 | def cmd_exit(self, browser): |
|
606 | def cmd_exit(self, browser): | |
607 | browser.mode = "default" |
|
607 | browser.mode = "default" | |
608 | return True |
|
608 | return True | |
609 |
|
609 | |||
610 | def cmd_execute(self, browser): |
|
610 | def cmd_execute(self, browser): | |
611 | raise NotImplementedError |
|
611 | raise NotImplementedError | |
612 |
|
612 | |||
613 |
|
613 | |||
614 | class _CommandGoto(_CommandInput): |
|
614 | class _CommandGoto(_CommandInput): | |
615 | def __init__(self): |
|
615 | def __init__(self): | |
616 | _CommandInput.__init__(self, "goto object #") |
|
616 | _CommandInput.__init__(self, "goto object #") | |
617 |
|
617 | |||
618 | def handlechar(self, browser, char): |
|
618 | def handlechar(self, browser, char): | |
619 | # Only accept digits |
|
619 | # Only accept digits | |
620 | if not "0" <= char <= "9": |
|
620 | if not "0" <= char <= "9": | |
621 | curses.beep() |
|
621 | curses.beep() | |
622 | else: |
|
622 | else: | |
623 | return _CommandInput.handlechar(self, browser, char) |
|
623 | return _CommandInput.handlechar(self, browser, char) | |
624 |
|
624 | |||
625 | def cmd_execute(self, browser): |
|
625 | def cmd_execute(self, browser): | |
626 | level = browser.levels[-1] |
|
626 | level = browser.levels[-1] | |
627 | if self.input: |
|
627 | if self.input: | |
628 | self.dohistory() |
|
628 | self.dohistory() | |
629 | level.moveto(level.curx, int(self.input)) |
|
629 | level.moveto(level.curx, int(self.input)) | |
630 | browser.mode = "default" |
|
630 | browser.mode = "default" | |
631 | return True |
|
631 | return True | |
632 |
|
632 | |||
633 |
|
633 | |||
634 | class _CommandFind(_CommandInput): |
|
634 | class _CommandFind(_CommandInput): | |
635 | def __init__(self): |
|
635 | def __init__(self): | |
636 | _CommandInput.__init__(self, "find expression") |
|
636 | _CommandInput.__init__(self, "find expression") | |
637 |
|
637 | |||
638 | def cmd_execute(self, browser): |
|
638 | def cmd_execute(self, browser): | |
639 | level = browser.levels[-1] |
|
639 | level = browser.levels[-1] | |
640 | if self.input: |
|
640 | if self.input: | |
641 | self.dohistory() |
|
641 | self.dohistory() | |
642 | while True: |
|
642 | while True: | |
643 | cury = level.cury |
|
643 | cury = level.cury | |
644 | level.moveto(level.curx, cury+1) |
|
644 | level.moveto(level.curx, cury+1) | |
645 | if cury == level.cury: |
|
645 | if cury == level.cury: | |
646 | curses.beep() |
|
646 | curses.beep() | |
647 | break # hit end |
|
647 | break # hit end | |
648 | item = level.items[level.cury].item |
|
648 | item = level.items[level.cury].item | |
649 | try: |
|
649 | try: | |
650 | globals = ipipe.getglobals(None) |
|
650 | globals = ipipe.getglobals(None) | |
651 | if eval(self.input, globals, ipipe.AttrNamespace(item)): |
|
651 | if eval(self.input, globals, ipipe.AttrNamespace(item)): | |
652 | break # found something |
|
652 | break # found something | |
653 | except (KeyboardInterrupt, SystemExit): |
|
653 | except (KeyboardInterrupt, SystemExit): | |
654 | raise |
|
654 | raise | |
655 | except Exception, exc: |
|
655 | except Exception, exc: | |
656 | browser.report(exc) |
|
656 | browser.report(exc) | |
657 | curses.beep() |
|
657 | curses.beep() | |
658 | break # break on error |
|
658 | break # break on error | |
659 | browser.mode = "default" |
|
659 | browser.mode = "default" | |
660 | return True |
|
660 | return True | |
661 |
|
661 | |||
662 |
|
662 | |||
663 | class _CommandFindBackwards(_CommandInput): |
|
663 | class _CommandFindBackwards(_CommandInput): | |
664 | def __init__(self): |
|
664 | def __init__(self): | |
665 | _CommandInput.__init__(self, "find backwards expression") |
|
665 | _CommandInput.__init__(self, "find backwards expression") | |
666 |
|
666 | |||
667 | def cmd_execute(self, browser): |
|
667 | def cmd_execute(self, browser): | |
668 | level = browser.levels[-1] |
|
668 | level = browser.levels[-1] | |
669 | if self.input: |
|
669 | if self.input: | |
670 | self.dohistory() |
|
670 | self.dohistory() | |
671 | while level.cury: |
|
671 | while level.cury: | |
672 | level.moveto(level.curx, level.cury-1) |
|
672 | level.moveto(level.curx, level.cury-1) | |
673 | item = level.items[level.cury].item |
|
673 | item = level.items[level.cury].item | |
674 | try: |
|
674 | try: | |
675 | globals = ipipe.getglobals(None) |
|
675 | globals = ipipe.getglobals(None) | |
676 | if eval(self.input, globals, ipipe.AttrNamespace(item)): |
|
676 | if eval(self.input, globals, ipipe.AttrNamespace(item)): | |
677 | break # found something |
|
677 | break # found something | |
678 | except (KeyboardInterrupt, SystemExit): |
|
678 | except (KeyboardInterrupt, SystemExit): | |
679 | raise |
|
679 | raise | |
680 | except Exception, exc: |
|
680 | except Exception, exc: | |
681 | browser.report(exc) |
|
681 | browser.report(exc) | |
682 | curses.beep() |
|
682 | curses.beep() | |
683 | break # break on error |
|
683 | break # break on error | |
684 | else: |
|
684 | else: | |
685 | curses.beep() |
|
685 | curses.beep() | |
686 | browser.mode = "default" |
|
686 | browser.mode = "default" | |
687 | return True |
|
687 | return True | |
688 |
|
688 | |||
689 |
|
689 | |||
690 | class ibrowse(ipipe.Display): |
|
690 | class ibrowse(ipipe.Display): | |
691 | # Show this many lines from the previous screen when paging horizontally |
|
691 | # Show this many lines from the previous screen when paging horizontally | |
692 | pageoverlapx = 1 |
|
692 | pageoverlapx = 1 | |
693 |
|
693 | |||
694 | # Show this many lines from the previous screen when paging vertically |
|
694 | # Show this many lines from the previous screen when paging vertically | |
695 | pageoverlapy = 1 |
|
695 | pageoverlapy = 1 | |
696 |
|
696 | |||
697 | # Start scrolling when the cursor is less than this number of columns |
|
697 | # Start scrolling when the cursor is less than this number of columns | |
698 | # away from the left or right screen edge |
|
698 | # away from the left or right screen edge | |
699 | scrollborderx = 10 |
|
699 | scrollborderx = 10 | |
700 |
|
700 | |||
701 | # Start scrolling when the cursor is less than this number of lines |
|
701 | # Start scrolling when the cursor is less than this number of lines | |
702 | # away from the top or bottom screen edge |
|
702 | # away from the top or bottom screen edge | |
703 | scrollbordery = 5 |
|
703 | scrollbordery = 5 | |
704 |
|
704 | |||
705 | # Accelerate by this factor when scrolling horizontally |
|
705 | # Accelerate by this factor when scrolling horizontally | |
706 | acceleratex = 1.05 |
|
706 | acceleratex = 1.05 | |
707 |
|
707 | |||
708 | # Accelerate by this factor when scrolling vertically |
|
708 | # Accelerate by this factor when scrolling vertically | |
709 | acceleratey = 1.05 |
|
709 | acceleratey = 1.05 | |
710 |
|
710 | |||
711 | # The maximum horizontal scroll speed |
|
711 | # The maximum horizontal scroll speed | |
712 | # (as a factor of the screen width (i.e. 0.5 == half a screen width) |
|
712 | # (as a factor of the screen width (i.e. 0.5 == half a screen width) | |
713 | maxspeedx = 0.5 |
|
713 | maxspeedx = 0.5 | |
714 |
|
714 | |||
715 | # The maximum vertical scroll speed |
|
715 | # The maximum vertical scroll speed | |
716 | # (as a factor of the screen height (i.e. 0.5 == half a screen height) |
|
716 | # (as a factor of the screen height (i.e. 0.5 == half a screen height) | |
717 | maxspeedy = 0.5 |
|
717 | maxspeedy = 0.5 | |
718 |
|
718 | |||
719 | # The maximum number of header lines for browser level |
|
719 | # The maximum number of header lines for browser level | |
720 | # if the nesting is deeper, only the innermost levels are displayed |
|
720 | # if the nesting is deeper, only the innermost levels are displayed | |
721 | maxheaders = 5 |
|
721 | maxheaders = 5 | |
722 |
|
722 | |||
723 | # The approximate maximum length of a column entry |
|
723 | # The approximate maximum length of a column entry | |
724 | maxattrlength = 200 |
|
724 | maxattrlength = 200 | |
725 |
|
725 | |||
726 | # Styles for various parts of the GUI |
|
726 | # Styles for various parts of the GUI | |
727 | style_objheadertext = astyle.Style.fromstr("white:black:bold|reverse") |
|
727 | style_objheadertext = astyle.Style.fromstr("white:black:bold|reverse") | |
728 | style_objheadernumber = astyle.Style.fromstr("white:blue:bold|reverse") |
|
728 | style_objheadernumber = astyle.Style.fromstr("white:blue:bold|reverse") | |
729 | style_objheaderobject = astyle.Style.fromstr("white:black:reverse") |
|
729 | style_objheaderobject = astyle.Style.fromstr("white:black:reverse") | |
730 | style_colheader = astyle.Style.fromstr("blue:white:reverse") |
|
730 | style_colheader = astyle.Style.fromstr("blue:white:reverse") | |
731 | style_colheaderhere = astyle.Style.fromstr("green:black:bold|reverse") |
|
731 | style_colheaderhere = astyle.Style.fromstr("green:black:bold|reverse") | |
732 | style_colheadersep = astyle.Style.fromstr("blue:black:reverse") |
|
732 | style_colheadersep = astyle.Style.fromstr("blue:black:reverse") | |
733 | style_number = astyle.Style.fromstr("blue:white:reverse") |
|
733 | style_number = astyle.Style.fromstr("blue:white:reverse") | |
734 | style_numberhere = astyle.Style.fromstr("green:black:bold|reverse") |
|
734 | style_numberhere = astyle.Style.fromstr("green:black:bold|reverse") | |
735 | style_sep = astyle.Style.fromstr("blue:black") |
|
735 | style_sep = astyle.Style.fromstr("blue:black") | |
736 | style_data = astyle.Style.fromstr("white:black") |
|
736 | style_data = astyle.Style.fromstr("white:black") | |
737 | style_datapad = astyle.Style.fromstr("blue:black:bold") |
|
737 | style_datapad = astyle.Style.fromstr("blue:black:bold") | |
738 | style_footer = astyle.Style.fromstr("black:white") |
|
738 | style_footer = astyle.Style.fromstr("black:white") | |
739 | style_report = astyle.Style.fromstr("white:black") |
|
739 | style_report = astyle.Style.fromstr("white:black") | |
740 |
|
740 | |||
741 | # Column separator in header |
|
741 | # Column separator in header | |
742 | headersepchar = "|" |
|
742 | headersepchar = "|" | |
743 |
|
743 | |||
744 | # Character for padding data cell entries |
|
744 | # Character for padding data cell entries | |
745 | datapadchar = "." |
|
745 | datapadchar = "." | |
746 |
|
746 | |||
747 | # Column separator in data area |
|
747 | # Column separator in data area | |
748 | datasepchar = "|" |
|
748 | datasepchar = "|" | |
749 |
|
749 | |||
750 | # Character to use for "empty" cell (i.e. for non-existing attributes) |
|
750 | # Character to use for "empty" cell (i.e. for non-existing attributes) | |
751 | nodatachar = "-" |
|
751 | nodatachar = "-" | |
752 |
|
752 | |||
753 | # Prompts for modes that require keyboard input |
|
753 | # Prompts for modes that require keyboard input | |
754 | prompts = { |
|
754 | prompts = { | |
755 | "goto": _CommandGoto(), |
|
755 | "goto": _CommandGoto(), | |
756 | "find": _CommandFind(), |
|
756 | "find": _CommandFind(), | |
757 | "findbackwards": _CommandFindBackwards() |
|
757 | "findbackwards": _CommandFindBackwards() | |
758 | } |
|
758 | } | |
759 |
|
759 | |||
760 | # Maps curses key codes to "function" names |
|
760 | # Maps curses key codes to "function" names | |
761 | keymap = Keymap() |
|
761 | keymap = Keymap() | |
762 | keymap.register("quit", "q") |
|
762 | keymap.register("quit", "q") | |
763 | keymap.register("up", curses.KEY_UP) |
|
763 | keymap.register("up", curses.KEY_UP) | |
764 | keymap.register("down", curses.KEY_DOWN) |
|
764 | keymap.register("down", curses.KEY_DOWN) | |
765 | keymap.register("pageup", curses.KEY_PPAGE) |
|
765 | keymap.register("pageup", curses.KEY_PPAGE) | |
766 | keymap.register("pagedown", curses.KEY_NPAGE) |
|
766 | keymap.register("pagedown", curses.KEY_NPAGE) | |
767 | keymap.register("left", curses.KEY_LEFT) |
|
767 | keymap.register("left", curses.KEY_LEFT) | |
768 | keymap.register("right", curses.KEY_RIGHT) |
|
768 | keymap.register("right", curses.KEY_RIGHT) | |
769 | keymap.register("home", curses.KEY_HOME, "\x01") |
|
769 | keymap.register("home", curses.KEY_HOME, "\x01") | |
770 | keymap.register("end", curses.KEY_END, "\x05") |
|
770 | keymap.register("end", curses.KEY_END, "\x05") | |
771 | keymap.register("prevattr", "<\x1b") |
|
771 | keymap.register("prevattr", "<\x1b") | |
772 | keymap.register("nextattr", ">\t") |
|
772 | keymap.register("nextattr", ">\t") | |
773 | keymap.register("pick", "p") |
|
773 | keymap.register("pick", "p") | |
774 | keymap.register("pickattr", "P") |
|
774 | keymap.register("pickattr", "P") | |
775 | keymap.register("pickallattrs", "C") |
|
775 | keymap.register("pickallattrs", "C") | |
776 | keymap.register("pickmarked", "m") |
|
776 | keymap.register("pickmarked", "m") | |
777 | keymap.register("pickmarkedattr", "M") |
|
777 | keymap.register("pickmarkedattr", "M") | |
778 | keymap.register("pickinput", "i") |
|
778 | keymap.register("pickinput", "i") | |
779 | keymap.register("pickinputattr", "I") |
|
779 | keymap.register("pickinputattr", "I") | |
780 | keymap.register("hideattr", "h") |
|
780 | keymap.register("hideattr", "h") | |
781 | keymap.register("unhideattrs", "H") |
|
781 | keymap.register("unhideattrs", "H") | |
782 | keymap.register("help", "?") |
|
782 | keymap.register("help", "?") | |
783 | keymap.register("enter", "\r\n") |
|
783 | keymap.register("enter", "\r\n") | |
784 | keymap.register("enterattr", "E") |
|
784 | keymap.register("enterattr", "E") | |
785 | # FIXME: What's happening here? |
|
785 | # FIXME: What's happening here? | |
786 | keymap.register("leave", curses.KEY_BACKSPACE, "x\x08\x7f") |
|
786 | keymap.register("leave", curses.KEY_BACKSPACE, "x\x08\x7f") | |
787 | keymap.register("detail", "d") |
|
787 | keymap.register("detail", "d") | |
788 | keymap.register("detailattr", "D") |
|
788 | keymap.register("detailattr", "D") | |
789 | keymap.register("tooglemark", " ") |
|
789 | keymap.register("tooglemark", " ") | |
790 | keymap.register("markrange", "%") |
|
790 | keymap.register("markrange", "%") | |
791 | keymap.register("sortattrasc", "v") |
|
791 | keymap.register("sortattrasc", "v") | |
792 | keymap.register("sortattrdesc", "V") |
|
792 | keymap.register("sortattrdesc", "V") | |
793 | keymap.register("goto", "g") |
|
793 | keymap.register("goto", "g") | |
794 | keymap.register("find", "f") |
|
794 | keymap.register("find", "f") | |
795 | keymap.register("findbackwards", "b") |
|
795 | keymap.register("findbackwards", "b") | |
796 | keymap.register("refresh", "r") |
|
796 | keymap.register("refresh", "r") | |
797 | keymap.register("refreshfind", "R") |
|
797 | keymap.register("refreshfind", "R") | |
798 |
|
798 | |||
799 | def __init__(self, input=None, *attrs): |
|
799 | def __init__(self, input=None, *attrs): | |
800 | """ |
|
800 | """ | |
801 | Create a new browser. If ``attrs`` is not empty, it is the list |
|
801 | Create a new browser. If ``attrs`` is not empty, it is the list | |
802 | of attributes that will be displayed in the browser, otherwise |
|
802 | of attributes that will be displayed in the browser, otherwise | |
803 | these will be determined by the objects on screen. |
|
803 | these will be determined by the objects on screen. | |
804 | """ |
|
804 | """ | |
805 | ipipe.Display.__init__(self, input) |
|
805 | ipipe.Display.__init__(self, input) | |
806 |
|
806 | |||
807 | self.attrs = attrs |
|
807 | self.attrs = attrs | |
808 |
|
808 | |||
809 | # Stack of browser levels |
|
809 | # Stack of browser levels | |
810 | self.levels = [] |
|
810 | self.levels = [] | |
811 | # how many colums to scroll (Changes when accelerating) |
|
811 | # how many colums to scroll (Changes when accelerating) | |
812 | self.stepx = 1. |
|
812 | self.stepx = 1. | |
813 |
|
813 | |||
814 | # how many rows to scroll (Changes when accelerating) |
|
814 | # how many rows to scroll (Changes when accelerating) | |
815 | self.stepy = 1. |
|
815 | self.stepy = 1. | |
816 |
|
816 | |||
817 | # Beep on the edges of the data area? (Will be set to ``False`` |
|
817 | # Beep on the edges of the data area? (Will be set to ``False`` | |
818 | # once the cursor hits the edge of the screen, so we don't get |
|
818 | # once the cursor hits the edge of the screen, so we don't get | |
819 | # multiple beeps). |
|
819 | # multiple beeps). | |
820 | self._dobeep = True |
|
820 | self._dobeep = True | |
821 |
|
821 | |||
822 | # Cache for registered ``curses`` colors and styles. |
|
822 | # Cache for registered ``curses`` colors and styles. | |
823 | self._styles = {} |
|
823 | self._styles = {} | |
824 | self._colors = {} |
|
824 | self._colors = {} | |
825 | self._maxcolor = 1 |
|
825 | self._maxcolor = 1 | |
826 |
|
826 | |||
827 | # How many header lines do we want to paint (the numbers of levels |
|
827 | # How many header lines do we want to paint (the numbers of levels | |
828 | # we have, but with an upper bound) |
|
828 | # we have, but with an upper bound) | |
829 | self._headerlines = 1 |
|
829 | self._headerlines = 1 | |
830 |
|
830 | |||
831 | # Index of first header line |
|
831 | # Index of first header line | |
832 | self._firstheaderline = 0 |
|
832 | self._firstheaderline = 0 | |
833 |
|
833 | |||
834 | # curses window |
|
834 | # curses window | |
835 | self.scr = None |
|
835 | self.scr = None | |
836 | # report in the footer line (error, executed command etc.) |
|
836 | # report in the footer line (error, executed command etc.) | |
837 | self._report = None |
|
837 | self._report = None | |
838 |
|
838 | |||
839 | # value to be returned to the caller (set by commands) |
|
839 | # value to be returned to the caller (set by commands) | |
840 | self.returnvalue = None |
|
840 | self.returnvalue = None | |
841 |
|
841 | |||
842 | # The mode the browser is in |
|
842 | # The mode the browser is in | |
843 | # e.g. normal browsing or entering an argument for a command |
|
843 | # e.g. normal browsing or entering an argument for a command | |
844 | self.mode = "default" |
|
844 | self.mode = "default" | |
845 |
|
845 | |||
846 | # set by the SIGWINCH signal handler |
|
846 | # set by the SIGWINCH signal handler | |
847 | self.resized = False |
|
847 | self.resized = False | |
848 |
|
848 | |||
849 | def nextstepx(self, step): |
|
849 | def nextstepx(self, step): | |
850 | """ |
|
850 | """ | |
851 | Accelerate horizontally. |
|
851 | Accelerate horizontally. | |
852 | """ |
|
852 | """ | |
853 | return max(1., min(step*self.acceleratex, |
|
853 | return max(1., min(step*self.acceleratex, | |
854 | self.maxspeedx*self.levels[-1].mainsizex)) |
|
854 | self.maxspeedx*self.levels[-1].mainsizex)) | |
855 |
|
855 | |||
856 | def nextstepy(self, step): |
|
856 | def nextstepy(self, step): | |
857 | """ |
|
857 | """ | |
858 | Accelerate vertically. |
|
858 | Accelerate vertically. | |
859 | """ |
|
859 | """ | |
860 | return max(1., min(step*self.acceleratey, |
|
860 | return max(1., min(step*self.acceleratey, | |
861 | self.maxspeedy*self.levels[-1].mainsizey)) |
|
861 | self.maxspeedy*self.levels[-1].mainsizey)) | |
862 |
|
862 | |||
863 | def getstyle(self, style): |
|
863 | def getstyle(self, style): | |
864 | """ |
|
864 | """ | |
865 | Register the ``style`` with ``curses`` or get it from the cache, |
|
865 | Register the ``style`` with ``curses`` or get it from the cache, | |
866 | if it has been registered before. |
|
866 | if it has been registered before. | |
867 | """ |
|
867 | """ | |
868 | try: |
|
868 | try: | |
869 | return self._styles[style.fg, style.bg, style.attrs] |
|
869 | return self._styles[style.fg, style.bg, style.attrs] | |
870 | except KeyError: |
|
870 | except KeyError: | |
871 | attrs = 0 |
|
871 | attrs = 0 | |
872 | for b in astyle.A2CURSES: |
|
872 | for b in astyle.A2CURSES: | |
873 | if style.attrs & b: |
|
873 | if style.attrs & b: | |
874 | attrs |= astyle.A2CURSES[b] |
|
874 | attrs |= astyle.A2CURSES[b] | |
875 | try: |
|
875 | try: | |
876 | color = self._colors[style.fg, style.bg] |
|
876 | color = self._colors[style.fg, style.bg] | |
877 | except KeyError: |
|
877 | except KeyError: | |
878 | curses.init_pair( |
|
878 | curses.init_pair( | |
879 | self._maxcolor, |
|
879 | self._maxcolor, | |
880 | astyle.COLOR2CURSES[style.fg], |
|
880 | astyle.COLOR2CURSES[style.fg], | |
881 | astyle.COLOR2CURSES[style.bg] |
|
881 | astyle.COLOR2CURSES[style.bg] | |
882 | ) |
|
882 | ) | |
883 | color = curses.color_pair(self._maxcolor) |
|
883 | color = curses.color_pair(self._maxcolor) | |
884 | self._colors[style.fg, style.bg] = color |
|
884 | self._colors[style.fg, style.bg] = color | |
885 | self._maxcolor += 1 |
|
885 | self._maxcolor += 1 | |
886 | c = color | attrs |
|
886 | c = color | attrs | |
887 | self._styles[style.fg, style.bg, style.attrs] = c |
|
887 | self._styles[style.fg, style.bg, style.attrs] = c | |
888 | return c |
|
888 | return c | |
889 |
|
889 | |||
890 | def addstr(self, y, x, begx, endx, text, style): |
|
890 | def addstr(self, y, x, begx, endx, text, style): | |
891 | """ |
|
891 | """ | |
892 | A version of ``curses.addstr()`` that can handle ``x`` coordinates |
|
892 | A version of ``curses.addstr()`` that can handle ``x`` coordinates | |
893 | that are outside the screen. |
|
893 | that are outside the screen. | |
894 | """ |
|
894 | """ | |
895 | text2 = text[max(0, begx-x):max(0, endx-x)] |
|
895 | text2 = text[max(0, begx-x):max(0, endx-x)] | |
896 | if text2: |
|
896 | if text2: | |
897 | self.scr.addstr(y, max(x, begx), text2, self.getstyle(style)) |
|
897 | self.scr.addstr(y, max(x, begx), text2, self.getstyle(style)) | |
898 | return len(text) |
|
898 | return len(text) | |
899 |
|
899 | |||
900 | def addchr(self, y, x, begx, endx, c, l, style): |
|
900 | def addchr(self, y, x, begx, endx, c, l, style): | |
901 | x0 = max(x, begx) |
|
901 | x0 = max(x, begx) | |
902 | x1 = min(x+l, endx) |
|
902 | x1 = min(x+l, endx) | |
903 | if x1>x0: |
|
903 | if x1>x0: | |
904 | self.scr.addstr(y, x0, c*(x1-x0), self.getstyle(style)) |
|
904 | self.scr.addstr(y, x0, c*(x1-x0), self.getstyle(style)) | |
905 | return l |
|
905 | return l | |
906 |
|
906 | |||
907 | def _calcheaderlines(self, levels): |
|
907 | def _calcheaderlines(self, levels): | |
908 | # Calculate how many headerlines do we have to display, if we have |
|
908 | # Calculate how many headerlines do we have to display, if we have | |
909 | # ``levels`` browser levels |
|
909 | # ``levels`` browser levels | |
910 | if levels is None: |
|
910 | if levels is None: | |
911 | levels = len(self.levels) |
|
911 | levels = len(self.levels) | |
912 | self._headerlines = min(self.maxheaders, levels) |
|
912 | self._headerlines = min(self.maxheaders, levels) | |
913 | self._firstheaderline = levels-self._headerlines |
|
913 | self._firstheaderline = levels-self._headerlines | |
914 |
|
914 | |||
915 | def getstylehere(self, style): |
|
915 | def getstylehere(self, style): | |
916 | """ |
|
916 | """ | |
917 | Return a style for displaying the original style ``style`` |
|
917 | Return a style for displaying the original style ``style`` | |
918 | in the row the cursor is on. |
|
918 | in the row the cursor is on. | |
919 | """ |
|
919 | """ | |
920 | return astyle.Style(style.fg, astyle.COLOR_BLUE, style.attrs | astyle.A_BOLD) |
|
920 | return astyle.Style(style.fg, astyle.COLOR_BLUE, style.attrs | astyle.A_BOLD) | |
921 |
|
921 | |||
922 | def report(self, msg): |
|
922 | def report(self, msg): | |
923 | """ |
|
923 | """ | |
924 | Store the message ``msg`` for display below the footer line. This |
|
924 | Store the message ``msg`` for display below the footer line. This | |
925 | will be displayed as soon as the screen is redrawn. |
|
925 | will be displayed as soon as the screen is redrawn. | |
926 | """ |
|
926 | """ | |
927 | self._report = msg |
|
927 | self._report = msg | |
928 |
|
928 | |||
929 | def enter(self, item, *attrs): |
|
929 | def enter(self, item, *attrs): | |
930 | """ |
|
930 | """ | |
931 | Enter the object ``item``. If ``attrs`` is specified, it will be used |
|
931 | Enter the object ``item``. If ``attrs`` is specified, it will be used | |
932 | as a fixed list of attributes to display. |
|
932 | as a fixed list of attributes to display. | |
933 | """ |
|
933 | """ | |
934 | if self.levels and item is self.levels[-1].input: |
|
934 | if self.levels and item is self.levels[-1].input: | |
935 | curses.beep() |
|
935 | curses.beep() | |
936 | self.report(CommandError("Recursion on input object")) |
|
936 | self.report(CommandError("Recursion on input object")) | |
937 | else: |
|
937 | else: | |
938 | oldlevels = len(self.levels) |
|
938 | oldlevels = len(self.levels) | |
939 | self._calcheaderlines(oldlevels+1) |
|
939 | self._calcheaderlines(oldlevels+1) | |
940 | try: |
|
940 | try: | |
941 | level = _BrowserLevel( |
|
941 | level = _BrowserLevel( | |
942 | self, |
|
942 | self, | |
943 | item, |
|
943 | item, | |
944 | self.scrsizey-1-self._headerlines-2, |
|
944 | self.scrsizey-1-self._headerlines-2, | |
945 | *attrs |
|
945 | *attrs | |
946 | ) |
|
946 | ) | |
947 | except (KeyboardInterrupt, SystemExit): |
|
947 | except (KeyboardInterrupt, SystemExit): | |
948 | raise |
|
948 | raise | |
949 | except Exception, exc: |
|
949 | except Exception, exc: | |
950 | if not self.levels: |
|
950 | if not self.levels: | |
951 | raise |
|
951 | raise | |
952 | self._calcheaderlines(oldlevels) |
|
952 | self._calcheaderlines(oldlevels) | |
953 | curses.beep() |
|
953 | curses.beep() | |
954 | self.report(exc) |
|
954 | self.report(exc) | |
955 | else: |
|
955 | else: | |
956 | self.levels.append(level) |
|
956 | self.levels.append(level) | |
957 |
|
957 | |||
958 | def startkeyboardinput(self, mode): |
|
958 | def startkeyboardinput(self, mode): | |
959 | """ |
|
959 | """ | |
960 | Enter mode ``mode``, which requires keyboard input. |
|
960 | Enter mode ``mode``, which requires keyboard input. | |
961 | """ |
|
961 | """ | |
962 | self.mode = mode |
|
962 | self.mode = mode | |
963 | self.prompts[mode].start() |
|
963 | self.prompts[mode].start() | |
964 |
|
964 | |||
965 | def keylabel(self, keycode): |
|
965 | def keylabel(self, keycode): | |
966 | """ |
|
966 | """ | |
967 | Return a pretty name for the ``curses`` key ``keycode`` (used in the |
|
967 | Return a pretty name for the ``curses`` key ``keycode`` (used in the | |
968 | help screen and in reports about unassigned keys). |
|
968 | help screen and in reports about unassigned keys). | |
969 | """ |
|
969 | """ | |
970 | if keycode <= 0xff: |
|
970 | if keycode <= 0xff: | |
971 | specialsnames = { |
|
971 | specialsnames = { | |
972 | ord("\n"): "RETURN", |
|
972 | ord("\n"): "RETURN", | |
973 | ord(" "): "SPACE", |
|
973 | ord(" "): "SPACE", | |
974 | ord("\t"): "TAB", |
|
974 | ord("\t"): "TAB", | |
975 | ord("\x7f"): "DELETE", |
|
975 | ord("\x7f"): "DELETE", | |
976 | ord("\x08"): "BACKSPACE", |
|
976 | ord("\x08"): "BACKSPACE", | |
977 | } |
|
977 | } | |
978 | if keycode in specialsnames: |
|
978 | if keycode in specialsnames: | |
979 | return specialsnames[keycode] |
|
979 | return specialsnames[keycode] | |
980 | elif 0x00 < keycode < 0x20: |
|
980 | elif 0x00 < keycode < 0x20: | |
981 | return "CTRL-%s" % chr(keycode + 64) |
|
981 | return "CTRL-%s" % chr(keycode + 64) | |
982 | return repr(chr(keycode)) |
|
982 | return repr(chr(keycode)) | |
983 | for name in dir(curses): |
|
983 | for name in dir(curses): | |
984 | if name.startswith("KEY_") and getattr(curses, name) == keycode: |
|
984 | if name.startswith("KEY_") and getattr(curses, name) == keycode: | |
985 | return name |
|
985 | return name | |
986 | return str(keycode) |
|
986 | return str(keycode) | |
987 |
|
987 | |||
988 | def beep(self, force=False): |
|
988 | def beep(self, force=False): | |
989 | if force or self._dobeep: |
|
989 | if force or self._dobeep: | |
990 | curses.beep() |
|
990 | curses.beep() | |
991 | # don't beep again (as long as the same key is pressed) |
|
991 | # don't beep again (as long as the same key is pressed) | |
992 | self._dobeep = False |
|
992 | self._dobeep = False | |
993 |
|
993 | |||
994 | def cmd_up(self): |
|
994 | def cmd_up(self): | |
995 | """ |
|
995 | """ | |
996 | Move the cursor to the previous row. |
|
996 | Move the cursor to the previous row. | |
997 | """ |
|
997 | """ | |
998 | level = self.levels[-1] |
|
998 | level = self.levels[-1] | |
999 | self.report("up") |
|
999 | self.report("up") | |
1000 | level.moveto(level.curx, level.cury-self.stepy) |
|
1000 | level.moveto(level.curx, level.cury-self.stepy) | |
1001 |
|
1001 | |||
1002 | def cmd_down(self): |
|
1002 | def cmd_down(self): | |
1003 | """ |
|
1003 | """ | |
1004 | Move the cursor to the next row. |
|
1004 | Move the cursor to the next row. | |
1005 | """ |
|
1005 | """ | |
1006 | level = self.levels[-1] |
|
1006 | level = self.levels[-1] | |
1007 | self.report("down") |
|
1007 | self.report("down") | |
1008 | level.moveto(level.curx, level.cury+self.stepy) |
|
1008 | level.moveto(level.curx, level.cury+self.stepy) | |
1009 |
|
1009 | |||
1010 | def cmd_pageup(self): |
|
1010 | def cmd_pageup(self): | |
1011 | """ |
|
1011 | """ | |
1012 | Move the cursor up one page. |
|
1012 | Move the cursor up one page. | |
1013 | """ |
|
1013 | """ | |
1014 | level = self.levels[-1] |
|
1014 | level = self.levels[-1] | |
1015 | self.report("page up") |
|
1015 | self.report("page up") | |
1016 | level.moveto(level.curx, level.cury-level.mainsizey+self.pageoverlapy) |
|
1016 | level.moveto(level.curx, level.cury-level.mainsizey+self.pageoverlapy) | |
1017 |
|
1017 | |||
1018 | def cmd_pagedown(self): |
|
1018 | def cmd_pagedown(self): | |
1019 | """ |
|
1019 | """ | |
1020 | Move the cursor down one page. |
|
1020 | Move the cursor down one page. | |
1021 | """ |
|
1021 | """ | |
1022 | level = self.levels[-1] |
|
1022 | level = self.levels[-1] | |
1023 | self.report("page down") |
|
1023 | self.report("page down") | |
1024 | level.moveto(level.curx, level.cury+level.mainsizey-self.pageoverlapy) |
|
1024 | level.moveto(level.curx, level.cury+level.mainsizey-self.pageoverlapy) | |
1025 |
|
1025 | |||
1026 | def cmd_left(self): |
|
1026 | def cmd_left(self): | |
1027 | """ |
|
1027 | """ | |
1028 | Move the cursor left. |
|
1028 | Move the cursor left. | |
1029 | """ |
|
1029 | """ | |
1030 | level = self.levels[-1] |
|
1030 | level = self.levels[-1] | |
1031 | self.report("left") |
|
1031 | self.report("left") | |
1032 | level.moveto(level.curx-self.stepx, level.cury) |
|
1032 | level.moveto(level.curx-self.stepx, level.cury) | |
1033 |
|
1033 | |||
1034 | def cmd_right(self): |
|
1034 | def cmd_right(self): | |
1035 | """ |
|
1035 | """ | |
1036 | Move the cursor right. |
|
1036 | Move the cursor right. | |
1037 | """ |
|
1037 | """ | |
1038 | level = self.levels[-1] |
|
1038 | level = self.levels[-1] | |
1039 | self.report("right") |
|
1039 | self.report("right") | |
1040 | level.moveto(level.curx+self.stepx, level.cury) |
|
1040 | level.moveto(level.curx+self.stepx, level.cury) | |
1041 |
|
1041 | |||
1042 | def cmd_home(self): |
|
1042 | def cmd_home(self): | |
1043 | """ |
|
1043 | """ | |
1044 | Move the cursor to the first column. |
|
1044 | Move the cursor to the first column. | |
1045 | """ |
|
1045 | """ | |
1046 | level = self.levels[-1] |
|
1046 | level = self.levels[-1] | |
1047 | self.report("home") |
|
1047 | self.report("home") | |
1048 | level.moveto(0, level.cury) |
|
1048 | level.moveto(0, level.cury) | |
1049 |
|
1049 | |||
1050 | def cmd_end(self): |
|
1050 | def cmd_end(self): | |
1051 | """ |
|
1051 | """ | |
1052 | Move the cursor to the last column. |
|
1052 | Move the cursor to the last column. | |
1053 | """ |
|
1053 | """ | |
1054 | level = self.levels[-1] |
|
1054 | level = self.levels[-1] | |
1055 | self.report("end") |
|
1055 | self.report("end") | |
1056 | level.moveto(level.datasizex+level.mainsizey-self.pageoverlapx, level.cury) |
|
1056 | level.moveto(level.datasizex+level.mainsizey-self.pageoverlapx, level.cury) | |
1057 |
|
1057 | |||
1058 | def cmd_prevattr(self): |
|
1058 | def cmd_prevattr(self): | |
1059 | """ |
|
1059 | """ | |
1060 | Move the cursor one attribute column to the left. |
|
1060 | Move the cursor one attribute column to the left. | |
1061 | """ |
|
1061 | """ | |
1062 | level = self.levels[-1] |
|
1062 | level = self.levels[-1] | |
1063 | if level.displayattr[0] is None or level.displayattr[0] == 0: |
|
1063 | if level.displayattr[0] is None or level.displayattr[0] == 0: | |
1064 | self.beep() |
|
1064 | self.beep() | |
1065 | else: |
|
1065 | else: | |
1066 | self.report("prevattr") |
|
1066 | self.report("prevattr") | |
1067 | pos = 0 |
|
1067 | pos = 0 | |
1068 | for (i, attrname) in enumerate(level.displayattrs): |
|
1068 | for (i, attrname) in enumerate(level.displayattrs): | |
1069 | if i == level.displayattr[0]-1: |
|
1069 | if i == level.displayattr[0]-1: | |
1070 | break |
|
1070 | break | |
1071 | pos += level.colwidths[attrname] + 1 |
|
1071 | pos += level.colwidths[attrname] + 1 | |
1072 | level.moveto(pos, level.cury) |
|
1072 | level.moveto(pos, level.cury) | |
1073 |
|
1073 | |||
1074 | def cmd_nextattr(self): |
|
1074 | def cmd_nextattr(self): | |
1075 | """ |
|
1075 | """ | |
1076 | Move the cursor one attribute column to the right. |
|
1076 | Move the cursor one attribute column to the right. | |
1077 | """ |
|
1077 | """ | |
1078 | level = self.levels[-1] |
|
1078 | level = self.levels[-1] | |
1079 | if level.displayattr[0] is None or level.displayattr[0] == len(level.displayattrs)-1: |
|
1079 | if level.displayattr[0] is None or level.displayattr[0] == len(level.displayattrs)-1: | |
1080 | self.beep() |
|
1080 | self.beep() | |
1081 | else: |
|
1081 | else: | |
1082 | self.report("nextattr") |
|
1082 | self.report("nextattr") | |
1083 | pos = 0 |
|
1083 | pos = 0 | |
1084 | for (i, attrname) in enumerate(level.displayattrs): |
|
1084 | for (i, attrname) in enumerate(level.displayattrs): | |
1085 | if i == level.displayattr[0]+1: |
|
1085 | if i == level.displayattr[0]+1: | |
1086 | break |
|
1086 | break | |
1087 | pos += level.colwidths[attrname] + 1 |
|
1087 | pos += level.colwidths[attrname] + 1 | |
1088 | level.moveto(pos, level.cury) |
|
1088 | level.moveto(pos, level.cury) | |
1089 |
|
1089 | |||
1090 | def cmd_pick(self): |
|
1090 | def cmd_pick(self): | |
1091 | """ |
|
1091 | """ | |
1092 | 'Pick' the object under the cursor (i.e. the row the cursor is on). |
|
1092 | 'Pick' the object under the cursor (i.e. the row the cursor is on). | |
1093 | This leaves the browser and returns the picked object to the caller. |
|
1093 | This leaves the browser and returns the picked object to the caller. | |
1094 | (In IPython this object will be available as the ``_`` variable.) |
|
1094 | (In IPython this object will be available as the ``_`` variable.) | |
1095 | """ |
|
1095 | """ | |
1096 | level = self.levels[-1] |
|
1096 | level = self.levels[-1] | |
1097 | self.returnvalue = level.items[level.cury].item |
|
1097 | self.returnvalue = level.items[level.cury].item | |
1098 | return True |
|
1098 | return True | |
1099 |
|
1099 | |||
1100 | def cmd_pickattr(self): |
|
1100 | def cmd_pickattr(self): | |
1101 | """ |
|
1101 | """ | |
1102 | 'Pick' the attribute under the cursor (i.e. the row/column the |
|
1102 | 'Pick' the attribute under the cursor (i.e. the row/column the | |
1103 | cursor is on). |
|
1103 | cursor is on). | |
1104 | """ |
|
1104 | """ | |
1105 | level = self.levels[-1] |
|
1105 | level = self.levels[-1] | |
1106 | attr = level.displayattr[1] |
|
1106 | attr = level.displayattr[1] | |
1107 | if attr is ipipe.noitem: |
|
1107 | if attr is ipipe.noitem: | |
1108 | curses.beep() |
|
1108 | curses.beep() | |
1109 | self.report(CommandError("no column under cursor")) |
|
1109 | self.report(CommandError("no column under cursor")) | |
1110 | return |
|
1110 | return | |
1111 | value = attr.value(level.items[level.cury].item) |
|
1111 | value = attr.value(level.items[level.cury].item) | |
1112 | if value is ipipe.noitem: |
|
1112 | if value is ipipe.noitem: | |
1113 | curses.beep() |
|
1113 | curses.beep() | |
1114 | self.report(AttributeError(attr.name())) |
|
1114 | self.report(AttributeError(attr.name())) | |
1115 | else: |
|
1115 | else: | |
1116 | self.returnvalue = value |
|
1116 | self.returnvalue = value | |
1117 | return True |
|
1117 | return True | |
1118 |
|
1118 | |||
1119 | def cmd_pickallattrs(self): |
|
1119 | def cmd_pickallattrs(self): | |
1120 | """ |
|
1120 | """ | |
1121 | Pick' the complete column under the cursor (i.e. the attribute under |
|
1121 | Pick' the complete column under the cursor (i.e. the attribute under | |
1122 | the cursor) from all currently fetched objects. These attributes |
|
1122 | the cursor) from all currently fetched objects. These attributes | |
1123 | will be returned as a list. |
|
1123 | will be returned as a list. | |
1124 | """ |
|
1124 | """ | |
1125 | level = self.levels[-1] |
|
1125 | level = self.levels[-1] | |
1126 | attr = level.displayattr[1] |
|
1126 | attr = level.displayattr[1] | |
1127 | if attr is ipipe.noitem: |
|
1127 | if attr is ipipe.noitem: | |
1128 | curses.beep() |
|
1128 | curses.beep() | |
1129 | self.report(CommandError("no column under cursor")) |
|
1129 | self.report(CommandError("no column under cursor")) | |
1130 | return |
|
1130 | return | |
1131 | result = [] |
|
1131 | result = [] | |
1132 | for cache in level.items: |
|
1132 | for cache in level.items: | |
1133 | value = attr.value(cache.item) |
|
1133 | value = attr.value(cache.item) | |
1134 | if value is not ipipe.noitem: |
|
1134 | if value is not ipipe.noitem: | |
1135 | result.append(value) |
|
1135 | result.append(value) | |
1136 | self.returnvalue = result |
|
1136 | self.returnvalue = result | |
1137 | return True |
|
1137 | return True | |
1138 |
|
1138 | |||
1139 | def cmd_pickmarked(self): |
|
1139 | def cmd_pickmarked(self): | |
1140 | """ |
|
1140 | """ | |
1141 | 'Pick' marked objects. Marked objects will be returned as a list. |
|
1141 | 'Pick' marked objects. Marked objects will be returned as a list. | |
1142 | """ |
|
1142 | """ | |
1143 | level = self.levels[-1] |
|
1143 | level = self.levels[-1] | |
1144 | self.returnvalue = [cache.item for cache in level.items if cache.marked] |
|
1144 | self.returnvalue = [cache.item for cache in level.items if cache.marked] | |
1145 | return True |
|
1145 | return True | |
1146 |
|
1146 | |||
1147 | def cmd_pickmarkedattr(self): |
|
1147 | def cmd_pickmarkedattr(self): | |
1148 | """ |
|
1148 | """ | |
1149 | 'Pick' the attribute under the cursor from all marked objects |
|
1149 | 'Pick' the attribute under the cursor from all marked objects | |
1150 | (This returns a list). |
|
1150 | (This returns a list). | |
1151 | """ |
|
1151 | """ | |
1152 |
|
1152 | |||
1153 | level = self.levels[-1] |
|
1153 | level = self.levels[-1] | |
1154 | attr = level.displayattr[1] |
|
1154 | attr = level.displayattr[1] | |
1155 | if attr is ipipe.noitem: |
|
1155 | if attr is ipipe.noitem: | |
1156 | curses.beep() |
|
1156 | curses.beep() | |
1157 | self.report(CommandError("no column under cursor")) |
|
1157 | self.report(CommandError("no column under cursor")) | |
1158 | return |
|
1158 | return | |
1159 | result = [] |
|
1159 | result = [] | |
1160 | for cache in level.items: |
|
1160 | for cache in level.items: | |
1161 | if cache.marked: |
|
1161 | if cache.marked: | |
1162 | value = attr.value(cache.item) |
|
1162 | value = attr.value(cache.item) | |
1163 | if value is not ipipe.noitem: |
|
1163 | if value is not ipipe.noitem: | |
1164 | result.append(value) |
|
1164 | result.append(value) | |
1165 | self.returnvalue = result |
|
1165 | self.returnvalue = result | |
1166 | return True |
|
1166 | return True | |
1167 |
|
1167 | |||
1168 | def cmd_pickinput(self): |
|
1168 | def cmd_pickinput(self): | |
1169 | """ |
|
1169 | """ | |
1170 | Use the object under the cursor (i.e. the row the cursor is on) as |
|
1170 | Use the object under the cursor (i.e. the row the cursor is on) as | |
1171 | the next input line. This leaves the browser and puts the picked object |
|
1171 | the next input line. This leaves the browser and puts the picked object | |
1172 | in the input. |
|
1172 | in the input. | |
1173 | """ |
|
1173 | """ | |
1174 | level = self.levels[-1] |
|
1174 | level = self.levels[-1] | |
1175 | value = level.items[level.cury].item |
|
1175 | value = level.items[level.cury].item | |
1176 | self.returnvalue = None |
|
1176 | self.returnvalue = None | |
1177 | api = ipapi.get() |
|
1177 | api = ipapi.get() | |
1178 | api.set_next_input(str(value)) |
|
1178 | api.set_next_input(str(value)) | |
1179 | return True |
|
1179 | return True | |
1180 |
|
1180 | |||
1181 | def cmd_pickinputattr(self): |
|
1181 | def cmd_pickinputattr(self): | |
1182 | """ |
|
1182 | """ | |
1183 | Use the attribute under the cursor i.e. the row/column the cursor is on) |
|
1183 | Use the attribute under the cursor i.e. the row/column the cursor is on) | |
1184 | as the next input line. This leaves the browser and puts the picked |
|
1184 | as the next input line. This leaves the browser and puts the picked | |
1185 | object in the input. |
|
1185 | object in the input. | |
1186 | """ |
|
1186 | """ | |
1187 | level = self.levels[-1] |
|
1187 | level = self.levels[-1] | |
1188 | attr = level.displayattr[1] |
|
1188 | attr = level.displayattr[1] | |
1189 | if attr is ipipe.noitem: |
|
1189 | if attr is ipipe.noitem: | |
1190 | curses.beep() |
|
1190 | curses.beep() | |
1191 | self.report(CommandError("no column under cursor")) |
|
1191 | self.report(CommandError("no column under cursor")) | |
1192 | return |
|
1192 | return | |
1193 | value = attr.value(level.items[level.cury].item) |
|
1193 | value = attr.value(level.items[level.cury].item) | |
1194 | if value is ipipe.noitem: |
|
1194 | if value is ipipe.noitem: | |
1195 | curses.beep() |
|
1195 | curses.beep() | |
1196 | self.report(AttributeError(attr.name())) |
|
1196 | self.report(AttributeError(attr.name())) | |
1197 | self.returnvalue = None |
|
1197 | self.returnvalue = None | |
1198 | api = ipapi.get() |
|
1198 | api = ipapi.get() | |
1199 | api.set_next_input(str(value)) |
|
1199 | api.set_next_input(str(value)) | |
1200 | return True |
|
1200 | return True | |
1201 |
|
1201 | |||
1202 | def cmd_markrange(self): |
|
1202 | def cmd_markrange(self): | |
1203 | """ |
|
1203 | """ | |
1204 | Mark all objects from the last marked object before the current cursor |
|
1204 | Mark all objects from the last marked object before the current cursor | |
1205 | position to the cursor position. |
|
1205 | position to the cursor position. | |
1206 | """ |
|
1206 | """ | |
1207 | level = self.levels[-1] |
|
1207 | level = self.levels[-1] | |
1208 | self.report("markrange") |
|
1208 | self.report("markrange") | |
1209 | start = None |
|
1209 | start = None | |
1210 | if level.items: |
|
1210 | if level.items: | |
1211 | for i in xrange(level.cury, -1, -1): |
|
1211 | for i in xrange(level.cury, -1, -1): | |
1212 | if level.items[i].marked: |
|
1212 | if level.items[i].marked: | |
1213 | start = i |
|
1213 | start = i | |
1214 | break |
|
1214 | break | |
1215 | if start is None: |
|
1215 | if start is None: | |
1216 | self.report(CommandError("no mark before cursor")) |
|
1216 | self.report(CommandError("no mark before cursor")) | |
1217 | curses.beep() |
|
1217 | curses.beep() | |
1218 | else: |
|
1218 | else: | |
1219 | for i in xrange(start, level.cury+1): |
|
1219 | for i in xrange(start, level.cury+1): | |
1220 | cache = level.items[i] |
|
1220 | cache = level.items[i] | |
1221 | if not cache.marked: |
|
1221 | if not cache.marked: | |
1222 | cache.marked = True |
|
1222 | cache.marked = True | |
1223 | level.marked += 1 |
|
1223 | level.marked += 1 | |
1224 |
|
1224 | |||
1225 | def cmd_enter(self): |
|
1225 | def cmd_enter(self): | |
1226 | """ |
|
1226 | """ | |
1227 | Enter the object under the cursor. (what this mean depends on the object |
|
1227 | Enter the object under the cursor. (what this mean depends on the object | |
1228 | itself (i.e. how it implements iteration). This opens a new browser 'level'. |
|
1228 | itself (i.e. how it implements iteration). This opens a new browser 'level'. | |
1229 | """ |
|
1229 | """ | |
1230 | level = self.levels[-1] |
|
1230 | level = self.levels[-1] | |
1231 | try: |
|
1231 | try: | |
1232 | item = level.items[level.cury].item |
|
1232 | item = level.items[level.cury].item | |
1233 | except IndexError: |
|
1233 | except IndexError: | |
1234 | self.report(CommandError("No object")) |
|
1234 | self.report(CommandError("No object")) | |
1235 | curses.beep() |
|
1235 | curses.beep() | |
1236 | else: |
|
1236 | else: | |
1237 | self.report("entering object...") |
|
1237 | self.report("entering object...") | |
1238 | self.enter(item) |
|
1238 | self.enter(item) | |
1239 |
|
1239 | |||
1240 | def cmd_leave(self): |
|
1240 | def cmd_leave(self): | |
1241 | """ |
|
1241 | """ | |
1242 | Leave the current browser level and go back to the previous one. |
|
1242 | Leave the current browser level and go back to the previous one. | |
1243 | """ |
|
1243 | """ | |
1244 | self.report("leave") |
|
1244 | self.report("leave") | |
1245 | if len(self.levels) > 1: |
|
1245 | if len(self.levels) > 1: | |
1246 | self._calcheaderlines(len(self.levels)-1) |
|
1246 | self._calcheaderlines(len(self.levels)-1) | |
1247 | self.levels.pop(-1) |
|
1247 | self.levels.pop(-1) | |
1248 | else: |
|
1248 | else: | |
1249 | self.report(CommandError("This is the last level")) |
|
1249 | self.report(CommandError("This is the last level")) | |
1250 | curses.beep() |
|
1250 | curses.beep() | |
1251 |
|
1251 | |||
1252 | def cmd_enterattr(self): |
|
1252 | def cmd_enterattr(self): | |
1253 | """ |
|
1253 | """ | |
1254 | Enter the attribute under the cursor. |
|
1254 | Enter the attribute under the cursor. | |
1255 | """ |
|
1255 | """ | |
1256 | level = self.levels[-1] |
|
1256 | level = self.levels[-1] | |
1257 | attr = level.displayattr[1] |
|
1257 | attr = level.displayattr[1] | |
1258 | if attr is ipipe.noitem: |
|
1258 | if attr is ipipe.noitem: | |
1259 | curses.beep() |
|
1259 | curses.beep() | |
1260 | self.report(CommandError("no column under cursor")) |
|
1260 | self.report(CommandError("no column under cursor")) | |
1261 | return |
|
1261 | return | |
1262 | try: |
|
1262 | try: | |
1263 | item = level.items[level.cury].item |
|
1263 | item = level.items[level.cury].item | |
1264 | except IndexError: |
|
1264 | except IndexError: | |
1265 | self.report(CommandError("No object")) |
|
1265 | self.report(CommandError("No object")) | |
1266 | curses.beep() |
|
1266 | curses.beep() | |
1267 | else: |
|
1267 | else: | |
1268 | value = attr.value(item) |
|
1268 | value = attr.value(item) | |
1269 | name = attr.name() |
|
1269 | name = attr.name() | |
1270 | if value is ipipe.noitem: |
|
1270 | if value is ipipe.noitem: | |
1271 | self.report(AttributeError(name)) |
|
1271 | self.report(AttributeError(name)) | |
1272 | else: |
|
1272 | else: | |
1273 | self.report("entering object attribute %s..." % name) |
|
1273 | self.report("entering object attribute %s..." % name) | |
1274 | self.enter(value) |
|
1274 | self.enter(value) | |
1275 |
|
1275 | |||
1276 | def cmd_detail(self): |
|
1276 | def cmd_detail(self): | |
1277 | """ |
|
1277 | """ | |
1278 | Show a detail view of the object under the cursor. This shows the |
|
1278 | Show a detail view of the object under the cursor. This shows the | |
1279 | name, type, doc string and value of the object attributes (and it |
|
1279 | name, type, doc string and value of the object attributes (and it | |
1280 | might show more attributes than in the list view, depending on |
|
1280 | might show more attributes than in the list view, depending on | |
1281 | the object). |
|
1281 | the object). | |
1282 | """ |
|
1282 | """ | |
1283 | level = self.levels[-1] |
|
1283 | level = self.levels[-1] | |
1284 | try: |
|
1284 | try: | |
1285 | item = level.items[level.cury].item |
|
1285 | item = level.items[level.cury].item | |
1286 | except IndexError: |
|
1286 | except IndexError: | |
1287 | self.report(CommandError("No object")) |
|
1287 | self.report(CommandError("No object")) | |
1288 | curses.beep() |
|
1288 | curses.beep() | |
1289 | else: |
|
1289 | else: | |
1290 | self.report("entering detail view for object...") |
|
1290 | self.report("entering detail view for object...") | |
1291 | attrs = [ipipe.AttributeDetail(item, attr) for attr in ipipe.xattrs(item, "detail")] |
|
1291 | attrs = [ipipe.AttributeDetail(item, attr) for attr in ipipe.xattrs(item, "detail")] | |
1292 | self.enter(attrs) |
|
1292 | self.enter(attrs) | |
1293 |
|
1293 | |||
1294 | def cmd_detailattr(self): |
|
1294 | def cmd_detailattr(self): | |
1295 | """ |
|
1295 | """ | |
1296 | Show a detail view of the attribute under the cursor. |
|
1296 | Show a detail view of the attribute under the cursor. | |
1297 | """ |
|
1297 | """ | |
1298 | level = self.levels[-1] |
|
1298 | level = self.levels[-1] | |
1299 | attr = level.displayattr[1] |
|
1299 | attr = level.displayattr[1] | |
1300 | if attr is ipipe.noitem: |
|
1300 | if attr is ipipe.noitem: | |
1301 | curses.beep() |
|
1301 | curses.beep() | |
1302 | self.report(CommandError("no attribute")) |
|
1302 | self.report(CommandError("no attribute")) | |
1303 | return |
|
1303 | return | |
1304 | try: |
|
1304 | try: | |
1305 | item = level.items[level.cury].item |
|
1305 | item = level.items[level.cury].item | |
1306 | except IndexError: |
|
1306 | except IndexError: | |
1307 | self.report(CommandError("No object")) |
|
1307 | self.report(CommandError("No object")) | |
1308 | curses.beep() |
|
1308 | curses.beep() | |
1309 | else: |
|
1309 | else: | |
1310 | try: |
|
1310 | try: | |
1311 | item = attr.value(item) |
|
1311 | item = attr.value(item) | |
1312 | except (KeyboardInterrupt, SystemExit): |
|
1312 | except (KeyboardInterrupt, SystemExit): | |
1313 | raise |
|
1313 | raise | |
1314 | except Exception, exc: |
|
1314 | except Exception, exc: | |
1315 | self.report(exc) |
|
1315 | self.report(exc) | |
1316 | else: |
|
1316 | else: | |
1317 | self.report("entering detail view for attribute %s..." % attr.name()) |
|
1317 | self.report("entering detail view for attribute %s..." % attr.name()) | |
1318 | attrs = [ipipe.AttributeDetail(item, attr) for attr in ipipe.xattrs(item, "detail")] |
|
1318 | attrs = [ipipe.AttributeDetail(item, attr) for attr in ipipe.xattrs(item, "detail")] | |
1319 | self.enter(attrs) |
|
1319 | self.enter(attrs) | |
1320 |
|
1320 | |||
1321 | def cmd_tooglemark(self): |
|
1321 | def cmd_tooglemark(self): | |
1322 | """ |
|
1322 | """ | |
1323 | Mark/unmark the object under the cursor. Marked objects have a '!' |
|
1323 | Mark/unmark the object under the cursor. Marked objects have a '!' | |
1324 | after the row number). |
|
1324 | after the row number). | |
1325 | """ |
|
1325 | """ | |
1326 | level = self.levels[-1] |
|
1326 | level = self.levels[-1] | |
1327 | self.report("toggle mark") |
|
1327 | self.report("toggle mark") | |
1328 | try: |
|
1328 | try: | |
1329 | item = level.items[level.cury] |
|
1329 | item = level.items[level.cury] | |
1330 | except IndexError: # no items? |
|
1330 | except IndexError: # no items? | |
1331 | pass |
|
1331 | pass | |
1332 | else: |
|
1332 | else: | |
1333 | if item.marked: |
|
1333 | if item.marked: | |
1334 | item.marked = False |
|
1334 | item.marked = False | |
1335 | level.marked -= 1 |
|
1335 | level.marked -= 1 | |
1336 | else: |
|
1336 | else: | |
1337 | item.marked = True |
|
1337 | item.marked = True | |
1338 | level.marked += 1 |
|
1338 | level.marked += 1 | |
1339 |
|
1339 | |||
1340 | def cmd_sortattrasc(self): |
|
1340 | def cmd_sortattrasc(self): | |
1341 | """ |
|
1341 | """ | |
1342 | Sort the objects (in ascending order) using the attribute under |
|
1342 | Sort the objects (in ascending order) using the attribute under | |
1343 | the cursor as the sort key. |
|
1343 | the cursor as the sort key. | |
1344 | """ |
|
1344 | """ | |
1345 | level = self.levels[-1] |
|
1345 | level = self.levels[-1] | |
1346 | attr = level.displayattr[1] |
|
1346 | attr = level.displayattr[1] | |
1347 | if attr is ipipe.noitem: |
|
1347 | if attr is ipipe.noitem: | |
1348 | curses.beep() |
|
1348 | curses.beep() | |
1349 | self.report(CommandError("no column under cursor")) |
|
1349 | self.report(CommandError("no column under cursor")) | |
1350 | return |
|
1350 | return | |
1351 | self.report("sort by %s (ascending)" % attr.name()) |
|
1351 | self.report("sort by %s (ascending)" % attr.name()) | |
1352 | def key(item): |
|
1352 | def key(item): | |
1353 | try: |
|
1353 | try: | |
1354 | return attr.value(item) |
|
1354 | return attr.value(item) | |
1355 | except (KeyboardInterrupt, SystemExit): |
|
1355 | except (KeyboardInterrupt, SystemExit): | |
1356 | raise |
|
1356 | raise | |
1357 | except Exception: |
|
1357 | except Exception: | |
1358 | return None |
|
1358 | return None | |
1359 | level.sort(key) |
|
1359 | level.sort(key) | |
1360 |
|
1360 | |||
1361 | def cmd_sortattrdesc(self): |
|
1361 | def cmd_sortattrdesc(self): | |
1362 | """ |
|
1362 | """ | |
1363 | Sort the objects (in descending order) using the attribute under |
|
1363 | Sort the objects (in descending order) using the attribute under | |
1364 | the cursor as the sort key. |
|
1364 | the cursor as the sort key. | |
1365 | """ |
|
1365 | """ | |
1366 | level = self.levels[-1] |
|
1366 | level = self.levels[-1] | |
1367 | attr = level.displayattr[1] |
|
1367 | attr = level.displayattr[1] | |
1368 | if attr is ipipe.noitem: |
|
1368 | if attr is ipipe.noitem: | |
1369 | curses.beep() |
|
1369 | curses.beep() | |
1370 | self.report(CommandError("no column under cursor")) |
|
1370 | self.report(CommandError("no column under cursor")) | |
1371 | return |
|
1371 | return | |
1372 | self.report("sort by %s (descending)" % attr.name()) |
|
1372 | self.report("sort by %s (descending)" % attr.name()) | |
1373 | def key(item): |
|
1373 | def key(item): | |
1374 | try: |
|
1374 | try: | |
1375 | return attr.value(item) |
|
1375 | return attr.value(item) | |
1376 | except (KeyboardInterrupt, SystemExit): |
|
1376 | except (KeyboardInterrupt, SystemExit): | |
1377 | raise |
|
1377 | raise | |
1378 | except Exception: |
|
1378 | except Exception: | |
1379 | return None |
|
1379 | return None | |
1380 | level.sort(key, reverse=True) |
|
1380 | level.sort(key, reverse=True) | |
1381 |
|
1381 | |||
1382 | def cmd_hideattr(self): |
|
1382 | def cmd_hideattr(self): | |
1383 | """ |
|
1383 | """ | |
1384 | Hide the attribute under the cursor. |
|
1384 | Hide the attribute under the cursor. | |
1385 | """ |
|
1385 | """ | |
1386 | level = self.levels[-1] |
|
1386 | level = self.levels[-1] | |
1387 | if level.displayattr[0] is None: |
|
1387 | if level.displayattr[0] is None: | |
1388 | self.beep() |
|
1388 | self.beep() | |
1389 | else: |
|
1389 | else: | |
1390 | self.report("hideattr") |
|
1390 | self.report("hideattr") | |
1391 | level.hiddenattrs.add(level.displayattr[1]) |
|
1391 | level.hiddenattrs.add(level.displayattr[1]) | |
1392 | level.moveto(level.curx, level.cury, refresh=True) |
|
1392 | level.moveto(level.curx, level.cury, refresh=True) | |
1393 |
|
1393 | |||
1394 | def cmd_unhideattrs(self): |
|
1394 | def cmd_unhideattrs(self): | |
1395 | """ |
|
1395 | """ | |
1396 | Make all attributes visible again. |
|
1396 | Make all attributes visible again. | |
1397 | """ |
|
1397 | """ | |
1398 | level = self.levels[-1] |
|
1398 | level = self.levels[-1] | |
1399 | self.report("unhideattrs") |
|
1399 | self.report("unhideattrs") | |
1400 | level.hiddenattrs.clear() |
|
1400 | level.hiddenattrs.clear() | |
1401 | level.moveto(level.curx, level.cury, refresh=True) |
|
1401 | level.moveto(level.curx, level.cury, refresh=True) | |
1402 |
|
1402 | |||
1403 | def cmd_goto(self): |
|
1403 | def cmd_goto(self): | |
1404 | """ |
|
1404 | """ | |
1405 | Jump to a row. The row number can be entered at the |
|
1405 | Jump to a row. The row number can be entered at the | |
1406 | bottom of the screen. |
|
1406 | bottom of the screen. | |
1407 | """ |
|
1407 | """ | |
1408 | self.startkeyboardinput("goto") |
|
1408 | self.startkeyboardinput("goto") | |
1409 |
|
1409 | |||
1410 | def cmd_find(self): |
|
1410 | def cmd_find(self): | |
1411 | """ |
|
1411 | """ | |
1412 | Search forward for a row. The search condition can be entered at the |
|
1412 | Search forward for a row. The search condition can be entered at the | |
1413 | bottom of the screen. |
|
1413 | bottom of the screen. | |
1414 | """ |
|
1414 | """ | |
1415 | self.startkeyboardinput("find") |
|
1415 | self.startkeyboardinput("find") | |
1416 |
|
1416 | |||
1417 | def cmd_findbackwards(self): |
|
1417 | def cmd_findbackwards(self): | |
1418 | """ |
|
1418 | """ | |
1419 | Search backward for a row. The search condition can be entered at the |
|
1419 | Search backward for a row. The search condition can be entered at the | |
1420 | bottom of the screen. |
|
1420 | bottom of the screen. | |
1421 | """ |
|
1421 | """ | |
1422 | self.startkeyboardinput("findbackwards") |
|
1422 | self.startkeyboardinput("findbackwards") | |
1423 |
|
1423 | |||
1424 | def cmd_refresh(self): |
|
1424 | def cmd_refresh(self): | |
1425 | """ |
|
1425 | """ | |
1426 | Refreshes the display by restarting the iterator. |
|
1426 | Refreshes the display by restarting the iterator. | |
1427 | """ |
|
1427 | """ | |
1428 | level = self.levels[-1] |
|
1428 | level = self.levels[-1] | |
1429 | self.report("refresh") |
|
1429 | self.report("refresh") | |
1430 | level.refresh() |
|
1430 | level.refresh() | |
1431 |
|
1431 | |||
1432 | def cmd_refreshfind(self): |
|
1432 | def cmd_refreshfind(self): | |
1433 | """ |
|
1433 | """ | |
1434 | Refreshes the display by restarting the iterator and goes back to the |
|
1434 | Refreshes the display by restarting the iterator and goes back to the | |
1435 | same object the cursor was on before restarting (if this object can't be |
|
1435 | same object the cursor was on before restarting (if this object can't be | |
1436 | found the cursor jumps back to the first object). |
|
1436 | found the cursor jumps back to the first object). | |
1437 | """ |
|
1437 | """ | |
1438 | level = self.levels[-1] |
|
1438 | level = self.levels[-1] | |
1439 | self.report("refreshfind") |
|
1439 | self.report("refreshfind") | |
1440 | level.refreshfind() |
|
1440 | level.refreshfind() | |
1441 |
|
1441 | |||
1442 | def cmd_help(self): |
|
1442 | def cmd_help(self): | |
1443 | """ |
|
1443 | """ | |
1444 | Opens the help screen as a new browser level, describing keyboard |
|
1444 | Opens the help screen as a new browser level, describing keyboard | |
1445 | shortcuts. |
|
1445 | shortcuts. | |
1446 | """ |
|
1446 | """ | |
1447 | for level in self.levels: |
|
1447 | for level in self.levels: | |
1448 | if isinstance(level.input, _BrowserHelp): |
|
1448 | if isinstance(level.input, _BrowserHelp): | |
1449 | curses.beep() |
|
1449 | curses.beep() | |
1450 | self.report(CommandError("help already active")) |
|
1450 | self.report(CommandError("help already active")) | |
1451 | return |
|
1451 | return | |
1452 |
|
1452 | |||
1453 | self.enter(_BrowserHelp(self)) |
|
1453 | self.enter(_BrowserHelp(self)) | |
1454 |
|
1454 | |||
1455 | def cmd_quit(self): |
|
1455 | def cmd_quit(self): | |
1456 | """ |
|
1456 | """ | |
1457 | Quit the browser and return to the IPython prompt. |
|
1457 | Quit the browser and return to the IPython prompt. | |
1458 | """ |
|
1458 | """ | |
1459 | self.returnvalue = None |
|
1459 | self.returnvalue = None | |
1460 | return True |
|
1460 | return True | |
1461 |
|
1461 | |||
1462 | def sigwinchhandler(self, signal, frame): |
|
1462 | def sigwinchhandler(self, signal, frame): | |
1463 | self.resized = True |
|
1463 | self.resized = True | |
1464 |
|
1464 | |||
1465 | def _dodisplay(self, scr): |
|
1465 | def _dodisplay(self, scr): | |
1466 | """ |
|
1466 | """ | |
1467 | This method is the workhorse of the browser. It handles screen |
|
1467 | This method is the workhorse of the browser. It handles screen | |
1468 | drawing and the keyboard. |
|
1468 | drawing and the keyboard. | |
1469 | """ |
|
1469 | """ | |
1470 | self.scr = scr |
|
1470 | self.scr = scr | |
1471 | curses.halfdelay(1) |
|
1471 | curses.halfdelay(1) | |
1472 | footery = 2 |
|
1472 | footery = 2 | |
1473 |
|
1473 | |||
1474 | keys = [] |
|
1474 | keys = [] | |
1475 | for cmd in ("quit", "help"): |
|
1475 | for cmd in ("quit", "help"): | |
1476 | key = self.keymap.findkey(cmd, None) |
|
1476 | key = self.keymap.findkey(cmd, None) | |
1477 | if key is not None: |
|
1477 | if key is not None: | |
1478 | keys.append("%s=%s" % (self.keylabel(key), cmd)) |
|
1478 | keys.append("%s=%s" % (self.keylabel(key), cmd)) | |
1479 | helpmsg = " | %s" % " ".join(keys) |
|
1479 | helpmsg = " | %s" % " ".join(keys) | |
1480 |
|
1480 | |||
1481 | scr.clear() |
|
1481 | scr.clear() | |
1482 | msg = "Fetching first batch of objects..." |
|
1482 | msg = "Fetching first batch of objects..." | |
1483 | (self.scrsizey, self.scrsizex) = scr.getmaxyx() |
|
1483 | (self.scrsizey, self.scrsizex) = scr.getmaxyx() | |
1484 | scr.addstr(self.scrsizey//2, (self.scrsizex-len(msg))//2, msg) |
|
1484 | scr.addstr(self.scrsizey//2, (self.scrsizex-len(msg))//2, msg) | |
1485 | scr.refresh() |
|
1485 | scr.refresh() | |
1486 |
|
1486 | |||
1487 | lastc = -1 |
|
1487 | lastc = -1 | |
1488 |
|
1488 | |||
1489 | self.levels = [] |
|
1489 | self.levels = [] | |
1490 | # enter the first level |
|
1490 | # enter the first level | |
1491 | self.enter(self.input, *self.attrs) |
|
1491 | self.enter(self.input, *self.attrs) | |
1492 |
|
1492 | |||
1493 | self._calcheaderlines(None) |
|
1493 | self._calcheaderlines(None) | |
1494 |
|
1494 | |||
1495 | while True: |
|
1495 | while True: | |
1496 | level = self.levels[-1] |
|
1496 | level = self.levels[-1] | |
1497 | (self.scrsizey, self.scrsizex) = scr.getmaxyx() |
|
1497 | (self.scrsizey, self.scrsizex) = scr.getmaxyx() | |
1498 | level.mainsizey = self.scrsizey-1-self._headerlines-footery |
|
1498 | level.mainsizey = self.scrsizey-1-self._headerlines-footery | |
1499 |
|
1499 | |||
1500 | # Paint object header |
|
1500 | # Paint object header | |
1501 | for i in xrange(self._firstheaderline, self._firstheaderline+self._headerlines): |
|
1501 | for i in xrange(self._firstheaderline, self._firstheaderline+self._headerlines): | |
1502 | lv = self.levels[i] |
|
1502 | lv = self.levels[i] | |
1503 | posx = 0 |
|
1503 | posx = 0 | |
1504 | posy = i-self._firstheaderline |
|
1504 | posy = i-self._firstheaderline | |
1505 | endx = self.scrsizex |
|
1505 | endx = self.scrsizex | |
1506 | if i: # not the first level |
|
1506 | if i: # not the first level | |
1507 | msg = " (%d/%d" % (self.levels[i-1].cury, len(self.levels[i-1].items)) |
|
1507 | msg = " (%d/%d" % (self.levels[i-1].cury, len(self.levels[i-1].items)) | |
1508 | if not self.levels[i-1].exhausted: |
|
1508 | if not self.levels[i-1].exhausted: | |
1509 | msg += "+" |
|
1509 | msg += "+" | |
1510 | msg += ") " |
|
1510 | msg += ") " | |
1511 | endx -= len(msg)+1 |
|
1511 | endx -= len(msg)+1 | |
1512 | posx += self.addstr(posy, posx, 0, endx, " ibrowse #%d: " % i, self.style_objheadertext) |
|
1512 | posx += self.addstr(posy, posx, 0, endx, " ibrowse #%d: " % i, self.style_objheadertext) | |
1513 | for (style, text) in lv.header: |
|
1513 | for (style, text) in lv.header: | |
1514 | posx += self.addstr(posy, posx, 0, endx, text, self.style_objheaderobject) |
|
1514 | posx += self.addstr(posy, posx, 0, endx, text, self.style_objheaderobject) | |
1515 | if posx >= endx: |
|
1515 | if posx >= endx: | |
1516 | break |
|
1516 | break | |
1517 | if i: |
|
1517 | if i: | |
1518 | posx += self.addstr(posy, posx, 0, self.scrsizex, msg, self.style_objheadernumber) |
|
1518 | posx += self.addstr(posy, posx, 0, self.scrsizex, msg, self.style_objheadernumber) | |
1519 | posx += self.addchr(posy, posx, 0, self.scrsizex, " ", self.scrsizex-posx, self.style_objheadernumber) |
|
1519 | posx += self.addchr(posy, posx, 0, self.scrsizex, " ", self.scrsizex-posx, self.style_objheadernumber) | |
1520 |
|
1520 | |||
1521 | if not level.items: |
|
1521 | if not level.items: | |
1522 | self.addchr(self._headerlines, 0, 0, self.scrsizex, " ", self.scrsizex, self.style_colheader) |
|
1522 | self.addchr(self._headerlines, 0, 0, self.scrsizex, " ", self.scrsizex, self.style_colheader) | |
1523 | self.addstr(self._headerlines+1, 0, 0, self.scrsizex, " <empty>", astyle.style_error) |
|
1523 | self.addstr(self._headerlines+1, 0, 0, self.scrsizex, " <empty>", astyle.style_error) | |
1524 | scr.clrtobot() |
|
1524 | scr.clrtobot() | |
1525 | else: |
|
1525 | else: | |
1526 | # Paint column headers |
|
1526 | # Paint column headers | |
1527 | scr.move(self._headerlines, 0) |
|
1527 | scr.move(self._headerlines, 0) | |
1528 | scr.addstr(" %*s " % (level.numbersizex, "#"), self.getstyle(self.style_colheader)) |
|
1528 | scr.addstr(" %*s " % (level.numbersizex, "#"), self.getstyle(self.style_colheader)) | |
1529 | scr.addstr(self.headersepchar, self.getstyle(self.style_colheadersep)) |
|
1529 | scr.addstr(self.headersepchar, self.getstyle(self.style_colheadersep)) | |
1530 | begx = level.numbersizex+3 |
|
1530 | begx = level.numbersizex+3 | |
1531 | posx = begx-level.datastartx |
|
1531 | posx = begx-level.datastartx | |
1532 | for attr in level.displayattrs: |
|
1532 | for attr in level.displayattrs: | |
1533 | attrname = attr.name() |
|
1533 | attrname = attr.name() | |
1534 | cwidth = level.colwidths[attr] |
|
1534 | cwidth = level.colwidths[attr] | |
1535 | header = attrname.ljust(cwidth) |
|
1535 | header = attrname.ljust(cwidth) | |
1536 | if attr is level.displayattr[1]: |
|
1536 | if attr is level.displayattr[1]: | |
1537 | style = self.style_colheaderhere |
|
1537 | style = self.style_colheaderhere | |
1538 | else: |
|
1538 | else: | |
1539 | style = self.style_colheader |
|
1539 | style = self.style_colheader | |
1540 | posx += self.addstr(self._headerlines, posx, begx, self.scrsizex, header, style) |
|
1540 | posx += self.addstr(self._headerlines, posx, begx, self.scrsizex, header, style) | |
1541 | posx += self.addstr(self._headerlines, posx, begx, self.scrsizex, self.headersepchar, self.style_colheadersep) |
|
1541 | posx += self.addstr(self._headerlines, posx, begx, self.scrsizex, self.headersepchar, self.style_colheadersep) | |
1542 | if posx >= self.scrsizex: |
|
1542 | if posx >= self.scrsizex: | |
1543 | break |
|
1543 | break | |
1544 | else: |
|
1544 | else: | |
1545 | scr.addstr(" "*(self.scrsizex-posx), self.getstyle(self.style_colheader)) |
|
1545 | scr.addstr(" "*(self.scrsizex-posx), self.getstyle(self.style_colheader)) | |
1546 |
|
1546 | |||
1547 | # Paint rows |
|
1547 | # Paint rows | |
1548 | posy = self._headerlines+1+level.datastarty |
|
1548 | posy = self._headerlines+1+level.datastarty | |
1549 | for i in xrange(level.datastarty, min(level.datastarty+level.mainsizey, len(level.items))): |
|
1549 | for i in xrange(level.datastarty, min(level.datastarty+level.mainsizey, len(level.items))): | |
1550 | cache = level.items[i] |
|
1550 | cache = level.items[i] | |
1551 | if i == level.cury: |
|
1551 | if i == level.cury: | |
1552 | style = self.style_numberhere |
|
1552 | style = self.style_numberhere | |
1553 | else: |
|
1553 | else: | |
1554 | style = self.style_number |
|
1554 | style = self.style_number | |
1555 |
|
1555 | |||
1556 | posy = self._headerlines+1+i-level.datastarty |
|
1556 | posy = self._headerlines+1+i-level.datastarty | |
1557 | posx = begx-level.datastartx |
|
1557 | posx = begx-level.datastartx | |
1558 |
|
1558 | |||
1559 | scr.move(posy, 0) |
|
1559 | scr.move(posy, 0) | |
1560 | scr.addstr(" %*d%s" % (level.numbersizex, i, " !"[cache.marked]), self.getstyle(style)) |
|
1560 | scr.addstr(" %*d%s" % (level.numbersizex, i, " !"[cache.marked]), self.getstyle(style)) | |
1561 | scr.addstr(self.headersepchar, self.getstyle(self.style_sep)) |
|
1561 | scr.addstr(self.headersepchar, self.getstyle(self.style_sep)) | |
1562 |
|
1562 | |||
1563 | for attrname in level.displayattrs: |
|
1563 | for attrname in level.displayattrs: | |
1564 | cwidth = level.colwidths[attrname] |
|
1564 | cwidth = level.colwidths[attrname] | |
1565 | try: |
|
1565 | try: | |
1566 | (align, length, parts) = level.displayrows[i-level.datastarty][attrname] |
|
1566 | (align, length, parts) = level.displayrows[i-level.datastarty][attrname] | |
1567 | except KeyError: |
|
1567 | except KeyError: | |
1568 | align = 2 |
|
1568 | align = 2 | |
1569 | style = astyle.style_nodata |
|
1569 | style = astyle.style_nodata | |
1570 | if i == level.cury: |
|
1570 | if i == level.cury: | |
1571 | style = self.getstylehere(style) |
|
1571 | style = self.getstylehere(style) | |
1572 | padstyle = self.style_datapad |
|
1572 | padstyle = self.style_datapad | |
1573 | sepstyle = self.style_sep |
|
1573 | sepstyle = self.style_sep | |
1574 | if i == level.cury: |
|
1574 | if i == level.cury: | |
1575 | padstyle = self.getstylehere(padstyle) |
|
1575 | padstyle = self.getstylehere(padstyle) | |
1576 | sepstyle = self.getstylehere(sepstyle) |
|
1576 | sepstyle = self.getstylehere(sepstyle) | |
1577 | if align == 2: |
|
1577 | if align == 2: | |
1578 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.nodatachar, cwidth, style) |
|
1578 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.nodatachar, cwidth, style) | |
1579 | else: |
|
1579 | else: | |
1580 | if align == 1: |
|
1580 | if align == 1: | |
1581 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.datapadchar, cwidth-length, padstyle) |
|
1581 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.datapadchar, cwidth-length, padstyle) | |
1582 | elif align == 0: |
|
1582 | elif align == 0: | |
1583 | pad1 = (cwidth-length)//2 |
|
1583 | pad1 = (cwidth-length)//2 | |
1584 | pad2 = cwidth-length-len(pad1) |
|
1584 | pad2 = cwidth-length-len(pad1) | |
1585 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.datapadchar, pad1, padstyle) |
|
1585 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.datapadchar, pad1, padstyle) | |
1586 | for (style, text) in parts: |
|
1586 | for (style, text) in parts: | |
1587 | if i == level.cury: |
|
1587 | if i == level.cury: | |
1588 | style = self.getstylehere(style) |
|
1588 | style = self.getstylehere(style) | |
1589 | posx += self.addstr(posy, posx, begx, self.scrsizex, text, style) |
|
1589 | posx += self.addstr(posy, posx, begx, self.scrsizex, text, style) | |
1590 | if posx >= self.scrsizex: |
|
1590 | if posx >= self.scrsizex: | |
1591 | break |
|
1591 | break | |
1592 | if align == -1: |
|
1592 | if align == -1: | |
1593 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.datapadchar, cwidth-length, padstyle) |
|
1593 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.datapadchar, cwidth-length, padstyle) | |
1594 | elif align == 0: |
|
1594 | elif align == 0: | |
1595 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.datapadchar, pad2, padstyle) |
|
1595 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.datapadchar, pad2, padstyle) | |
1596 | posx += self.addstr(posy, posx, begx, self.scrsizex, self.datasepchar, sepstyle) |
|
1596 | posx += self.addstr(posy, posx, begx, self.scrsizex, self.datasepchar, sepstyle) | |
1597 | else: |
|
1597 | else: | |
1598 | scr.clrtoeol() |
|
1598 | scr.clrtoeol() | |
1599 |
|
1599 | |||
1600 | # Add blank row headers for the rest of the screen |
|
1600 | # Add blank row headers for the rest of the screen | |
1601 | for posy in xrange(posy+1, self.scrsizey-2): |
|
1601 | for posy in xrange(posy+1, self.scrsizey-2): | |
1602 | scr.addstr(posy, 0, " " * (level.numbersizex+2), self.getstyle(self.style_colheader)) |
|
1602 | scr.addstr(posy, 0, " " * (level.numbersizex+2), self.getstyle(self.style_colheader)) | |
1603 | scr.clrtoeol() |
|
1603 | scr.clrtoeol() | |
1604 |
|
1604 | |||
1605 | posy = self.scrsizey-footery |
|
1605 | posy = self.scrsizey-footery | |
1606 | # Display footer |
|
1606 | # Display footer | |
1607 | scr.addstr(posy, 0, " "*self.scrsizex, self.getstyle(self.style_footer)) |
|
1607 | scr.addstr(posy, 0, " "*self.scrsizex, self.getstyle(self.style_footer)) | |
1608 |
|
1608 | |||
1609 | if level.exhausted: |
|
1609 | if level.exhausted: | |
1610 | flag = "" |
|
1610 | flag = "" | |
1611 | else: |
|
1611 | else: | |
1612 | flag = "+" |
|
1612 | flag = "+" | |
1613 |
|
1613 | |||
1614 | endx = self.scrsizex-len(helpmsg)-1 |
|
1614 | endx = self.scrsizex-len(helpmsg)-1 | |
1615 | scr.addstr(posy, endx, helpmsg, self.getstyle(self.style_footer)) |
|
1615 | scr.addstr(posy, endx, helpmsg, self.getstyle(self.style_footer)) | |
1616 |
|
1616 | |||
1617 | posx = 0 |
|
1617 | posx = 0 | |
1618 | msg = " %d%s objects (%d marked): " % (len(level.items), flag, level.marked) |
|
1618 | msg = " %d%s objects (%d marked): " % (len(level.items), flag, level.marked) | |
1619 | posx += self.addstr(posy, posx, 0, endx, msg, self.style_footer) |
|
1619 | posx += self.addstr(posy, posx, 0, endx, msg, self.style_footer) | |
1620 | try: |
|
1620 | try: | |
1621 | item = level.items[level.cury].item |
|
1621 | item = level.items[level.cury].item | |
1622 | except IndexError: # empty |
|
1622 | except IndexError: # empty | |
1623 | pass |
|
1623 | pass | |
1624 | else: |
|
1624 | else: | |
1625 | for (nostyle, text) in ipipe.xrepr(item, "footer"): |
|
1625 | for (nostyle, text) in ipipe.xrepr(item, "footer"): | |
1626 | if not isinstance(nostyle, int): |
|
1626 | if not isinstance(nostyle, int): | |
1627 | posx += self.addstr(posy, posx, 0, endx, text, self.style_footer) |
|
1627 | posx += self.addstr(posy, posx, 0, endx, text, self.style_footer) | |
1628 | if posx >= endx: |
|
1628 | if posx >= endx: | |
1629 | break |
|
1629 | break | |
1630 |
|
1630 | |||
1631 | attrstyle = [(astyle.style_default, "no attribute")] |
|
1631 | attrstyle = [(astyle.style_default, "no attribute")] | |
1632 | attr = level.displayattr[1] |
|
1632 | attr = level.displayattr[1] | |
1633 | if attr is not ipipe.noitem and not isinstance(attr, ipipe.SelfDescriptor): |
|
1633 | if attr is not ipipe.noitem and not isinstance(attr, ipipe.SelfDescriptor): | |
1634 | posx += self.addstr(posy, posx, 0, endx, " | ", self.style_footer) |
|
1634 | posx += self.addstr(posy, posx, 0, endx, " | ", self.style_footer) | |
1635 | posx += self.addstr(posy, posx, 0, endx, attr.name(), self.style_footer) |
|
1635 | posx += self.addstr(posy, posx, 0, endx, attr.name(), self.style_footer) | |
1636 | posx += self.addstr(posy, posx, 0, endx, ": ", self.style_footer) |
|
1636 | posx += self.addstr(posy, posx, 0, endx, ": ", self.style_footer) | |
1637 | try: |
|
1637 | try: | |
1638 | value = attr.value(item) |
|
1638 | value = attr.value(item) | |
1639 | except (SystemExit, KeyboardInterrupt): |
|
1639 | except (SystemExit, KeyboardInterrupt): | |
1640 | raise |
|
1640 | raise | |
1641 | except Exception, exc: |
|
1641 | except Exception, exc: | |
1642 | value = exc |
|
1642 | value = exc | |
1643 | if value is not ipipe.noitem: |
|
1643 | if value is not ipipe.noitem: | |
1644 | attrstyle = ipipe.xrepr(value, "footer") |
|
1644 | attrstyle = ipipe.xrepr(value, "footer") | |
1645 | for (nostyle, text) in attrstyle: |
|
1645 | for (nostyle, text) in attrstyle: | |
1646 | if not isinstance(nostyle, int): |
|
1646 | if not isinstance(nostyle, int): | |
1647 | posx += self.addstr(posy, posx, 0, endx, text, self.style_footer) |
|
1647 | posx += self.addstr(posy, posx, 0, endx, text, self.style_footer) | |
1648 | if posx >= endx: |
|
1648 | if posx >= endx: | |
1649 | break |
|
1649 | break | |
1650 |
|
1650 | |||
1651 | try: |
|
1651 | try: | |
1652 | # Display input prompt |
|
1652 | # Display input prompt | |
1653 | if self.mode in self.prompts: |
|
1653 | if self.mode in self.prompts: | |
1654 | history = self.prompts[self.mode] |
|
1654 | history = self.prompts[self.mode] | |
1655 | posx = 0 |
|
1655 | posx = 0 | |
1656 | posy = self.scrsizey-1 |
|
1656 | posy = self.scrsizey-1 | |
1657 | posx += self.addstr(posy, posx, 0, endx, history.prompt, astyle.style_default) |
|
1657 | posx += self.addstr(posy, posx, 0, endx, history.prompt, astyle.style_default) | |
1658 | posx += self.addstr(posy, posx, 0, endx, " [", astyle.style_default) |
|
1658 | posx += self.addstr(posy, posx, 0, endx, " [", astyle.style_default) | |
1659 | if history.cury==-1: |
|
1659 | if history.cury==-1: | |
1660 | text = "new" |
|
1660 | text = "new" | |
1661 | else: |
|
1661 | else: | |
1662 | text = str(history.cury+1) |
|
1662 | text = str(history.cury+1) | |
1663 | posx += self.addstr(posy, posx, 0, endx, text, astyle.style_type_number) |
|
1663 | posx += self.addstr(posy, posx, 0, endx, text, astyle.style_type_number) | |
1664 | if history.history: |
|
1664 | if history.history: | |
1665 | posx += self.addstr(posy, posx, 0, endx, "/", astyle.style_default) |
|
1665 | posx += self.addstr(posy, posx, 0, endx, "/", astyle.style_default) | |
1666 | posx += self.addstr(posy, posx, 0, endx, str(len(history.history)), astyle.style_type_number) |
|
1666 | posx += self.addstr(posy, posx, 0, endx, str(len(history.history)), astyle.style_type_number) | |
1667 | posx += self.addstr(posy, posx, 0, endx, "]: ", astyle.style_default) |
|
1667 | posx += self.addstr(posy, posx, 0, endx, "]: ", astyle.style_default) | |
1668 | inputstartx = posx |
|
1668 | inputstartx = posx | |
1669 | posx += self.addstr(posy, posx, 0, endx, history.input, astyle.style_default) |
|
1669 | posx += self.addstr(posy, posx, 0, endx, history.input, astyle.style_default) | |
1670 | # Display report |
|
1670 | # Display report | |
1671 | else: |
|
1671 | else: | |
1672 | if self._report is not None: |
|
1672 | if self._report is not None: | |
1673 | if isinstance(self._report, Exception): |
|
1673 | if isinstance(self._report, Exception): | |
1674 | style = self.getstyle(astyle.style_error) |
|
1674 | style = self.getstyle(astyle.style_error) | |
1675 | if self._report.__class__.__module__ == "exceptions": |
|
1675 | if self._report.__class__.__module__ == "exceptions": | |
1676 | msg = "%s: %s" % \ |
|
1676 | msg = "%s: %s" % \ | |
1677 | (self._report.__class__.__name__, self._report) |
|
1677 | (self._report.__class__.__name__, self._report) | |
1678 | else: |
|
1678 | else: | |
1679 | msg = "%s.%s: %s" % \ |
|
1679 | msg = "%s.%s: %s" % \ | |
1680 | (self._report.__class__.__module__, |
|
1680 | (self._report.__class__.__module__, | |
1681 | self._report.__class__.__name__, self._report) |
|
1681 | self._report.__class__.__name__, self._report) | |
1682 | else: |
|
1682 | else: | |
1683 | style = self.getstyle(self.style_report) |
|
1683 | style = self.getstyle(self.style_report) | |
1684 | msg = self._report |
|
1684 | msg = self._report | |
1685 | scr.addstr(self.scrsizey-1, 0, msg[:self.scrsizex], style) |
|
1685 | scr.addstr(self.scrsizey-1, 0, msg[:self.scrsizex], style) | |
1686 | self._report = None |
|
1686 | self._report = None | |
1687 | else: |
|
1687 | else: | |
1688 | scr.move(self.scrsizey-1, 0) |
|
1688 | scr.move(self.scrsizey-1, 0) | |
1689 | except curses.error: |
|
1689 | except curses.error: | |
1690 | # Protect against errors from writing to the last line |
|
1690 | # Protect against errors from writing to the last line | |
1691 | pass |
|
1691 | pass | |
1692 | scr.clrtoeol() |
|
1692 | scr.clrtoeol() | |
1693 |
|
1693 | |||
1694 | # Position cursor |
|
1694 | # Position cursor | |
1695 | if self.mode in self.prompts: |
|
1695 | if self.mode in self.prompts: | |
1696 | history = self.prompts[self.mode] |
|
1696 | history = self.prompts[self.mode] | |
1697 | scr.move(self.scrsizey-1, inputstartx+history.curx) |
|
1697 | scr.move(self.scrsizey-1, inputstartx+history.curx) | |
1698 | else: |
|
1698 | else: | |
1699 | scr.move( |
|
1699 | scr.move( | |
1700 | 1+self._headerlines+level.cury-level.datastarty, |
|
1700 | 1+self._headerlines+level.cury-level.datastarty, | |
1701 | level.numbersizex+3+level.curx-level.datastartx |
|
1701 | level.numbersizex+3+level.curx-level.datastartx | |
1702 | ) |
|
1702 | ) | |
1703 | scr.refresh() |
|
1703 | scr.refresh() | |
1704 |
|
1704 | |||
1705 | # Check keyboard |
|
1705 | # Check keyboard | |
1706 | while True: |
|
1706 | while True: | |
1707 | c = scr.getch() |
|
1707 | c = scr.getch() | |
1708 | if self.resized: |
|
1708 | if self.resized: | |
1709 | size = fcntl.ioctl(0, tty.TIOCGWINSZ, "12345678") |
|
1709 | size = fcntl.ioctl(0, tty.TIOCGWINSZ, "12345678") | |
1710 | size = struct.unpack("4H", size) |
|
1710 | size = struct.unpack("4H", size) | |
1711 | oldsize = scr.getmaxyx() |
|
1711 | oldsize = scr.getmaxyx() | |
1712 | scr.erase() |
|
1712 | scr.erase() | |
1713 | curses.resize_term(size[0], size[1]) |
|
1713 | curses.resize_term(size[0], size[1]) | |
1714 | newsize = scr.getmaxyx() |
|
1714 | newsize = scr.getmaxyx() | |
1715 | scr.erase() |
|
1715 | scr.erase() | |
1716 | for l in self.levels: |
|
1716 | for l in self.levels: | |
1717 | l.mainsizey += newsize[0]-oldsize[0] |
|
1717 | l.mainsizey += newsize[0]-oldsize[0] | |
1718 | l.moveto(l.curx, l.cury, refresh=True) |
|
1718 | l.moveto(l.curx, l.cury, refresh=True) | |
1719 | scr.refresh() |
|
1719 | scr.refresh() | |
1720 | self.resized = False |
|
1720 | self.resized = False | |
1721 | break # Redisplay |
|
1721 | break # Redisplay | |
1722 | if self.mode in self.prompts: |
|
1722 | if self.mode in self.prompts: | |
1723 | if self.prompts[self.mode].handlekey(self, c): |
|
1723 | if self.prompts[self.mode].handlekey(self, c): | |
1724 | break # Redisplay |
|
1724 | break # Redisplay | |
1725 | else: |
|
1725 | else: | |
1726 | # if no key is pressed slow down and beep again |
|
1726 | # if no key is pressed slow down and beep again | |
1727 | if c == -1: |
|
1727 | if c == -1: | |
1728 | self.stepx = 1. |
|
1728 | self.stepx = 1. | |
1729 | self.stepy = 1. |
|
1729 | self.stepy = 1. | |
1730 | self._dobeep = True |
|
1730 | self._dobeep = True | |
1731 | else: |
|
1731 | else: | |
1732 | # if a different key was pressed slow down and beep too |
|
1732 | # if a different key was pressed slow down and beep too | |
1733 | if c != lastc: |
|
1733 | if c != lastc: | |
1734 | lastc = c |
|
1734 | lastc = c | |
1735 | self.stepx = 1. |
|
1735 | self.stepx = 1. | |
1736 | self.stepy = 1. |
|
1736 | self.stepy = 1. | |
1737 | self._dobeep = True |
|
1737 | self._dobeep = True | |
1738 | cmdname = self.keymap.get(c, None) |
|
1738 | cmdname = self.keymap.get(c, None) | |
1739 | if cmdname is None: |
|
1739 | if cmdname is None: | |
1740 | self.report( |
|
1740 | self.report( | |
1741 | UnassignedKeyError("Unassigned key %s" % |
|
1741 | UnassignedKeyError("Unassigned key %s" % | |
1742 | self.keylabel(c))) |
|
1742 | self.keylabel(c))) | |
1743 | else: |
|
1743 | else: | |
1744 | cmdfunc = getattr(self, "cmd_%s" % cmdname, None) |
|
1744 | cmdfunc = getattr(self, "cmd_%s" % cmdname, None) | |
1745 | if cmdfunc is None: |
|
1745 | if cmdfunc is None: | |
1746 | self.report( |
|
1746 | self.report( | |
1747 | UnknownCommandError("Unknown command %r" % |
|
1747 | UnknownCommandError("Unknown command %r" % | |
1748 | (cmdname,))) |
|
1748 | (cmdname,))) | |
1749 | elif cmdfunc(): |
|
1749 | elif cmdfunc(): | |
1750 | returnvalue = self.returnvalue |
|
1750 | returnvalue = self.returnvalue | |
1751 | self.returnvalue = None |
|
1751 | self.returnvalue = None | |
1752 | return returnvalue |
|
1752 | return returnvalue | |
1753 | self.stepx = self.nextstepx(self.stepx) |
|
1753 | self.stepx = self.nextstepx(self.stepx) | |
1754 | self.stepy = self.nextstepy(self.stepy) |
|
1754 | self.stepy = self.nextstepy(self.stepy) | |
1755 | curses.flushinp() # get rid of type ahead |
|
1755 | curses.flushinp() # get rid of type ahead | |
1756 | break # Redisplay |
|
1756 | break # Redisplay | |
1757 | self.scr = None |
|
1757 | self.scr = None | |
1758 |
|
1758 | |||
1759 | def display(self): |
|
1759 | def display(self): | |
1760 | if hasattr(curses, "resize_term"): |
|
1760 | if hasattr(curses, "resize_term") and hasattr(signal, 'SIGWINCH'): | |
1761 | oldhandler = signal.signal(signal.SIGWINCH, self.sigwinchhandler) |
|
1761 | oldhandler = signal.signal(signal.SIGWINCH, self.sigwinchhandler) | |
1762 | try: |
|
1762 | try: | |
1763 | return curses.wrapper(self._dodisplay) |
|
1763 | return curses.wrapper(self._dodisplay) | |
1764 | finally: |
|
1764 | finally: | |
1765 | signal.signal(signal.SIGWINCH, oldhandler) |
|
1765 | signal.signal(signal.SIGWINCH, oldhandler) | |
1766 | else: |
|
1766 | else: | |
1767 | return curses.wrapper(self._dodisplay) |
|
1767 | return curses.wrapper(self._dodisplay) |
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