projects / OpenSPARC-T2-DV / blame
| Commit | Line | Data |
|---|---|---|
| 86530b38 AT |
1 | import sys |
| 2 | import os | |
| 3 | import re | |
| 4 | import imp | |
| 5 | from itertools import count | |
| 6 | from Tkinter import * | |
| 7 | import tkSimpleDialog | |
| 8 | import tkMessageBox | |
| 9 | ||
| 10 | import webbrowser | |
| 11 | import idlever | |
| 12 | import WindowList | |
| 13 | import SearchDialog | |
| 14 | import GrepDialog | |
| 15 | import ReplaceDialog | |
| 16 | import PyParse | |
| 17 | from configHandler import idleConf | |
| 18 | import aboutDialog, textView, configDialog | |
| 19 | ||
| 20 | # The default tab setting for a Text widget, in average-width characters. | |
| 21 | TK_TABWIDTH_DEFAULT = 8 | |
| 22 | ||
| 23 | def _find_module(fullname, path=None): | |
| 24 | """Version of imp.find_module() that handles hierarchical module names""" | |
| 25 | ||
| 26 | file = None | |
| 27 | for tgt in fullname.split('.'): | |
| 28 | if file is not None: | |
| 29 | file.close() # close intermediate files | |
| 30 | (file, filename, descr) = imp.find_module(tgt, path) | |
| 31 | if descr[2] == imp.PY_SOURCE: | |
| 32 | break # find but not load the source file | |
| 33 | module = imp.load_module(tgt, file, filename, descr) | |
| 34 | try: | |
| 35 | path = module.__path__ | |
| 36 | except AttributeError: | |
| 37 | raise ImportError, 'No source for module ' + module.__name__ | |
| 38 | return file, filename, descr | |
| 39 | ||
| 40 | class EditorWindow: | |
| 41 | from Percolator import Percolator | |
| 42 | from ColorDelegator import ColorDelegator | |
| 43 | from UndoDelegator import UndoDelegator | |
| 44 | from IOBinding import IOBinding | |
| 45 | import Bindings | |
| 46 | from Tkinter import Toplevel | |
| 47 | from MultiStatusBar import MultiStatusBar | |
| 48 | ||
| 49 | help_url = None | |
| 50 | ||
| 51 | def __init__(self, flist=None, filename=None, key=None, root=None): | |
| 52 | if EditorWindow.help_url is None: | |
| 53 | dochome = os.path.join(sys.prefix, 'Doc', 'index.html') | |
| 54 | if sys.platform.count('linux'): | |
| 55 | # look for html docs in a couple of standard places | |
| 56 | pyver = 'python-docs-' + '%s.%s.%s' % sys.version_info[:3] | |
| 57 | if os.path.isdir('/var/www/html/python/'): # "python2" rpm | |
| 58 | dochome = '/var/www/html/python/index.html' | |
| 59 | else: | |
| 60 | basepath = '/usr/share/doc/' # standard location | |
| 61 | dochome = os.path.join(basepath, pyver, | |
| 62 | 'Doc', 'index.html') | |
| 63 | elif sys.platform[:3] == 'win': | |
| 64 | chmfile = os.path.join(sys.prefix, 'Doc', | |
| 65 | 'Python%d%d.chm' % sys.version_info[:2]) | |
| 66 | if os.path.isfile(chmfile): | |
| 67 | dochome = chmfile | |
| 68 | dochome = os.path.normpath(dochome) | |
| 69 | if os.path.isfile(dochome): | |
| 70 | EditorWindow.help_url = dochome | |
| 71 | else: | |
| 72 | EditorWindow.help_url = "http://www.python.org/doc/current" | |
| 73 | currentTheme=idleConf.CurrentTheme() | |
| 74 | self.flist = flist | |
| 75 | root = root or flist.root | |
| 76 | self.root = root | |
| 77 | self.menubar = Menu(root) | |
| 78 | self.top = top = WindowList.ListedToplevel(root, menu=self.menubar) | |
| 79 | if flist: | |
| 80 | self.tkinter_vars = flist.vars | |
| 81 | #self.top.instance_dict makes flist.inversedict avalable to | |
| 82 | #configDialog.py so it can access all EditorWindow instaces | |
| 83 | self.top.instance_dict=flist.inversedict | |
| 84 | else: | |
| 85 | self.tkinter_vars = {} # keys: Tkinter event names | |
| 86 | # values: Tkinter variable instances | |
| 87 | self.recent_files_path=os.path.join(idleConf.GetUserCfgDir(), | |
| 88 | 'recent-files.lst') | |
| 89 | self.vbar = vbar = Scrollbar(top, name='vbar') | |
| 90 | self.text_frame = text_frame = Frame(top) | |
| 91 | self.width = idleConf.GetOption('main','EditorWindow','width') | |
| 92 | self.text = text = Text(text_frame, name='text', padx=5, wrap='none', | |
| 93 | foreground=idleConf.GetHighlight(currentTheme, | |
| 94 | 'normal',fgBg='fg'), | |
| 95 | background=idleConf.GetHighlight(currentTheme, | |
| 96 | 'normal',fgBg='bg'), | |
| 97 | highlightcolor=idleConf.GetHighlight(currentTheme, | |
| 98 | 'hilite',fgBg='fg'), | |
| 99 | highlightbackground=idleConf.GetHighlight(currentTheme, | |
| 100 | 'hilite',fgBg='bg'), | |
| 101 | insertbackground=idleConf.GetHighlight(currentTheme, | |
| 102 | 'cursor',fgBg='fg'), | |
| 103 | width=self.width, | |
| 104 | height=idleConf.GetOption('main','EditorWindow','height') ) | |
| 105 | self.top.focused_widget = self.text | |
| 106 | ||
| 107 | self.createmenubar() | |
| 108 | self.apply_bindings() | |
| 109 | ||
| 110 | self.top.protocol("WM_DELETE_WINDOW", self.close) | |
| 111 | self.top.bind("<<close-window>>", self.close_event) | |
| 112 | text.bind("<<cut>>", self.cut) | |
| 113 | text.bind("<<copy>>", self.copy) | |
| 114 | text.bind("<<paste>>", self.paste) | |
| 115 | text.bind("<<center-insert>>", self.center_insert_event) | |
| 116 | text.bind("<<help>>", self.help_dialog) | |
| 117 | text.bind("<<python-docs>>", self.python_docs) | |
| 118 | text.bind("<<about-idle>>", self.about_dialog) | |
| 119 | text.bind("<<open-config-dialog>>", self.config_dialog) | |
| 120 | text.bind("<<open-module>>", self.open_module) | |
| 121 | text.bind("<<do-nothing>>", lambda event: "break") | |
| 122 | text.bind("<<select-all>>", self.select_all) | |
| 123 | text.bind("<<remove-selection>>", self.remove_selection) | |
| 124 | text.bind("<<find>>", self.find_event) | |
| 125 | text.bind("<<find-again>>", self.find_again_event) | |
| 126 | text.bind("<<find-in-files>>", self.find_in_files_event) | |
| 127 | text.bind("<<find-selection>>", self.find_selection_event) | |
| 128 | text.bind("<<replace>>", self.replace_event) | |
| 129 | text.bind("<<goto-line>>", self.goto_line_event) | |
| 130 | text.bind("<3>", self.right_menu_event) | |
| 131 | text.bind("<<smart-backspace>>",self.smart_backspace_event) | |
| 132 | text.bind("<<newline-and-indent>>",self.newline_and_indent_event) | |
| 133 | text.bind("<<smart-indent>>",self.smart_indent_event) | |
| 134 | text.bind("<<indent-region>>",self.indent_region_event) | |
| 135 | text.bind("<<dedent-region>>",self.dedent_region_event) | |
| 136 | text.bind("<<comment-region>>",self.comment_region_event) | |
| 137 | text.bind("<<uncomment-region>>",self.uncomment_region_event) | |
| 138 | text.bind("<<tabify-region>>",self.tabify_region_event) | |
| 139 | text.bind("<<untabify-region>>",self.untabify_region_event) | |
| 140 | text.bind("<<toggle-tabs>>",self.toggle_tabs_event) | |
| 141 | text.bind("<<change-indentwidth>>",self.change_indentwidth_event) | |
| 142 | text.bind("<Left>", self.move_at_edge_if_selection(0)) | |
| 143 | text.bind("<Right>", self.move_at_edge_if_selection(1)) | |
| 144 | ||
| 145 | if flist: | |
| 146 | flist.inversedict[self] = key | |
| 147 | if key: | |
| 148 | flist.dict[key] = self | |
| 149 | text.bind("<<open-new-window>>", self.new_callback) | |
| 150 | text.bind("<<close-all-windows>>", self.flist.close_all_callback) | |
| 151 | text.bind("<<open-class-browser>>", self.open_class_browser) | |
| 152 | text.bind("<<open-path-browser>>", self.open_path_browser) | |
| 153 | ||
| 154 | self.set_status_bar() | |
| 155 | vbar['command'] = text.yview | |
| 156 | vbar.pack(side=RIGHT, fill=Y) | |
| 157 | text['yscrollcommand'] = vbar.set | |
| 158 | fontWeight='normal' | |
| 159 | if idleConf.GetOption('main','EditorWindow','font-bold',type='bool'): | |
| 160 | fontWeight='bold' | |
| 161 | text.config(font=(idleConf.GetOption('main','EditorWindow','font'), | |
| 162 | idleConf.GetOption('main','EditorWindow','font-size'), | |
| 163 | fontWeight)) | |
| 164 | text_frame.pack(side=LEFT, fill=BOTH, expand=1) | |
| 165 | text.pack(side=TOP, fill=BOTH, expand=1) | |
| 166 | text.focus_set() | |
| 167 | ||
| 168 | self.per = per = self.Percolator(text) | |
| 169 | if self.ispythonsource(filename): | |
| 170 | self.color = color = self.ColorDelegator() | |
| 171 | per.insertfilter(color) | |
| 172 | else: | |
| 173 | self.color = None | |
| 174 | ||
| 175 | self.undo = undo = self.UndoDelegator() | |
| 176 | per.insertfilter(undo) | |
| 177 | text.undo_block_start = undo.undo_block_start | |
| 178 | text.undo_block_stop = undo.undo_block_stop | |
| 179 | undo.set_saved_change_hook(self.saved_change_hook) | |
| 180 | ||
| 181 | # IOBinding implements file I/O and printing functionality | |
| 182 | self.io = io = self.IOBinding(self) | |
| 183 | io.set_filename_change_hook(self.filename_change_hook) | |
| 184 | ||
| 185 | # Create the recent files submenu | |
| 186 | self.recent_files_menu = Menu(self.menubar) | |
| 187 | self.menudict['file'].insert_cascade(3, label='Recent Files', | |
| 188 | underline=0, | |
| 189 | menu=self.recent_files_menu) | |
| 190 | self.update_recent_files_list() | |
| 191 | ||
| 192 | if filename: | |
| 193 | if os.path.exists(filename) and not os.path.isdir(filename): | |
| 194 | io.loadfile(filename) | |
| 195 | else: | |
| 196 | io.set_filename(filename) | |
| 197 | self.saved_change_hook() | |
| 198 | ||
| 199 | self.load_extensions() | |
| 200 | ||
| 201 | menu = self.menudict.get('windows') | |
| 202 | if menu: | |
| 203 | end = menu.index("end") | |
| 204 | if end is None: | |
| 205 | end = -1 | |
| 206 | if end >= 0: | |
| 207 | menu.add_separator() | |
| 208 | end = end + 1 | |
| 209 | self.wmenu_end = end | |
| 210 | WindowList.register_callback(self.postwindowsmenu) | |
| 211 | ||
| 212 | # Some abstractions so IDLE extensions are cross-IDE | |
| 213 | self.askyesno = tkMessageBox.askyesno | |
| 214 | self.askinteger = tkSimpleDialog.askinteger | |
| 215 | self.showerror = tkMessageBox.showerror | |
| 216 | ||
| 217 | if self.extensions.has_key('AutoIndent'): | |
| 218 | self.extensions['AutoIndent'].set_indentation_params( | |
| 219 | self.ispythonsource(filename)) | |
| 220 | ||
| 221 | def new_callback(self, event): | |
| 222 | dirname, basename = self.io.defaultfilename() | |
| 223 | self.flist.new(dirname) | |
| 224 | return "break" | |
| 225 | ||
| 226 | def set_status_bar(self): | |
| 227 | self.status_bar = self.MultiStatusBar(self.top) | |
| 228 | self.status_bar.set_label('column', 'Col: ?', side=RIGHT) | |
| 229 | self.status_bar.set_label('line', 'Ln: ?', side=RIGHT) | |
| 230 | self.status_bar.pack(side=BOTTOM, fill=X) | |
| 231 | self.text.bind('<KeyRelease>', self.set_line_and_column) | |
| 232 | self.text.bind('<ButtonRelease>', self.set_line_and_column) | |
| 233 | self.text.after_idle(self.set_line_and_column) | |
| 234 | ||
| 235 | def set_line_and_column(self, event=None): | |
| 236 | line, column = self.text.index(INSERT).split('.') | |
| 237 | self.status_bar.set_label('column', 'Col: %s' % column) | |
| 238 | self.status_bar.set_label('line', 'Ln: %s' % line) | |
| 239 | ||
| 240 | menu_specs = [ | |
| 241 | ("file", "_File"), | |
| 242 | ("edit", "_Edit"), | |
| 243 | ("format", "F_ormat"), | |
| 244 | ("run", "_Run"), | |
| 245 | ("options", "_Options"), | |
| 246 | ("windows", "_Windows"), | |
| 247 | ("help", "_Help"), | |
| 248 | ] | |
| 249 | ||
| 250 | def createmenubar(self): | |
| 251 | mbar = self.menubar | |
| 252 | self.menudict = menudict = {} | |
| 253 | for name, label in self.menu_specs: | |
| 254 | underline, label = prepstr(label) | |
| 255 | menudict[name] = menu = Menu(mbar, name=name) | |
| 256 | mbar.add_cascade(label=label, menu=menu, underline=underline) | |
| 257 | self.fill_menus() | |
| 258 | self.base_helpmenu_length = self.menudict['help'].index(END) | |
| 259 | self.reset_help_menu_entries() | |
| 260 | ||
| 261 | def postwindowsmenu(self): | |
| 262 | # Only called when Windows menu exists | |
| 263 | menu = self.menudict['windows'] | |
| 264 | end = menu.index("end") | |
| 265 | if end is None: | |
| 266 | end = -1 | |
| 267 | if end > self.wmenu_end: | |
| 268 | menu.delete(self.wmenu_end+1, end) | |
| 269 | WindowList.add_windows_to_menu(menu) | |
| 270 | ||
| 271 | rmenu = None | |
| 272 | ||
| 273 | def right_menu_event(self, event): | |
| 274 | self.text.tag_remove("sel", "1.0", "end") | |
| 275 | self.text.mark_set("insert", "@%d,%d" % (event.x, event.y)) | |
| 276 | if not self.rmenu: | |
| 277 | self.make_rmenu() | |
| 278 | rmenu = self.rmenu | |
| 279 | self.event = event | |
| 280 | iswin = sys.platform[:3] == 'win' | |
| 281 | if iswin: | |
| 282 | self.text.config(cursor="arrow") | |
| 283 | rmenu.tk_popup(event.x_root, event.y_root) | |
| 284 | if iswin: | |
| 285 | self.text.config(cursor="ibeam") | |
| 286 | ||
| 287 | rmenu_specs = [ | |
| 288 | # ("Label", "<<virtual-event>>"), ... | |
| 289 | ("Close", "<<close-window>>"), # Example | |
| 290 | ] | |
| 291 | ||
| 292 | def make_rmenu(self): | |
| 293 | rmenu = Menu(self.text, tearoff=0) | |
| 294 | for label, eventname in self.rmenu_specs: | |
| 295 | def command(text=self.text, eventname=eventname): | |
| 296 | text.event_generate(eventname) | |
| 297 | rmenu.add_command(label=label, command=command) | |
| 298 | self.rmenu = rmenu | |
| 299 | ||
| 300 | def about_dialog(self, event=None): | |
| 301 | aboutDialog.AboutDialog(self.top,'About IDLE') | |
| 302 | ||
| 303 | def config_dialog(self, event=None): | |
| 304 | configDialog.ConfigDialog(self.top,'Settings') | |
| 305 | ||
| 306 | def help_dialog(self, event=None): | |
| 307 | fn=os.path.join(os.path.abspath(os.path.dirname(__file__)),'help.txt') | |
| 308 | textView.TextViewer(self.top,'Help',fn) | |
| 309 | ||
| 310 | def python_docs(self, event=None): | |
| 311 | if sys.platform[:3] == 'win': | |
| 312 | os.startfile(self.help_url) | |
| 313 | else: | |
| 314 | webbrowser.open(self.help_url) | |
| 315 | return "break" | |
| 316 | ||
| 317 | def cut(self,event): | |
| 318 | self.text.event_generate("<<Cut>>") | |
| 319 | return "break" | |
| 320 | ||
| 321 | def copy(self,event): | |
| 322 | self.text.event_generate("<<Copy>>") | |
| 323 | return "break" | |
| 324 | ||
| 325 | def paste(self,event): | |
| 326 | self.text.event_generate("<<Paste>>") | |
| 327 | return "break" | |
| 328 | ||
| 329 | def select_all(self, event=None): | |
| 330 | self.text.tag_add("sel", "1.0", "end-1c") | |
| 331 | self.text.mark_set("insert", "1.0") | |
| 332 | self.text.see("insert") | |
| 333 | return "break" | |
| 334 | ||
| 335 | def remove_selection(self, event=None): | |
| 336 | self.text.tag_remove("sel", "1.0", "end") | |
| 337 | self.text.see("insert") | |
| 338 | ||
| 339 | def move_at_edge_if_selection(self, edge_index): | |
| 340 | """Cursor move begins at start or end of selection | |
| 341 | ||
| 342 | When a left/right cursor key is pressed create and return to Tkinter a | |
| 343 | function which causes a cursor move from the associated edge of the | |
| 344 | selection. | |
| 345 | ||
| 346 | """ | |
| 347 | self_text_index = self.text.index | |
| 348 | self_text_mark_set = self.text.mark_set | |
| 349 | edges_table = ("sel.first+1c", "sel.last-1c") | |
| 350 | def move_at_edge(event): | |
| 351 | if (event.state & 5) == 0: # no shift(==1) or control(==4) pressed | |
| 352 | try: | |
| 353 | self_text_index("sel.first") | |
| 354 | self_text_mark_set("insert", edges_table[edge_index]) | |
| 355 | except TclError: | |
| 356 | pass | |
| 357 | return move_at_edge | |
| 358 | ||
| 359 | def find_event(self, event): | |
| 360 | SearchDialog.find(self.text) | |
| 361 | return "break" | |
| 362 | ||
| 363 | def find_again_event(self, event): | |
| 364 | SearchDialog.find_again(self.text) | |
| 365 | return "break" | |
| 366 | ||
| 367 | def find_selection_event(self, event): | |
| 368 | SearchDialog.find_selection(self.text) | |
| 369 | return "break" | |
| 370 | ||
| 371 | def find_in_files_event(self, event): | |
| 372 | GrepDialog.grep(self.text, self.io, self.flist) | |
| 373 | return "break" | |
| 374 | ||
| 375 | def replace_event(self, event): | |
| 376 | ReplaceDialog.replace(self.text) | |
| 377 | return "break" | |
| 378 | ||
| 379 | def goto_line_event(self, event): | |
| 380 | text = self.text | |
| 381 | lineno = tkSimpleDialog.askinteger("Goto", | |
| 382 | "Go to line number:",parent=text) | |
| 383 | if lineno is None: | |
| 384 | return "break" | |
| 385 | if lineno <= 0: | |
| 386 | text.bell() | |
| 387 | return "break" | |
| 388 | text.mark_set("insert", "%d.0" % lineno) | |
| 389 | text.see("insert") | |
| 390 | ||
| 391 | def open_module(self, event=None): | |
| 392 | # XXX Shouldn't this be in IOBinding or in FileList? | |
| 393 | try: | |
| 394 | name = self.text.get("sel.first", "sel.last") | |
| 395 | except TclError: | |
| 396 | name = "" | |
| 397 | else: | |
| 398 | name = name.strip() | |
| 399 | name = tkSimpleDialog.askstring("Module", | |
| 400 | "Enter the name of a Python module\n" | |
| 401 | "to search on sys.path and open:", | |
| 402 | parent=self.text, initialvalue=name) | |
| 403 | if name: | |
| 404 | name = name.strip() | |
| 405 | if not name: | |
| 406 | return | |
| 407 | # XXX Ought to insert current file's directory in front of path | |
| 408 | try: | |
| 409 | (f, file, (suffix, mode, type)) = _find_module(name) | |
| 410 | except (NameError, ImportError), msg: | |
| 411 | tkMessageBox.showerror("Import error", str(msg), parent=self.text) | |
| 412 | return | |
| 413 | if type != imp.PY_SOURCE: | |
| 414 | tkMessageBox.showerror("Unsupported type", | |
| 415 | "%s is not a source module" % name, parent=self.text) | |
| 416 | return | |
| 417 | if f: | |
| 418 | f.close() | |
| 419 | if self.flist: | |
| 420 | self.flist.open(file) | |
| 421 | else: | |
| 422 | self.io.loadfile(file) | |
| 423 | ||
| 424 | def open_class_browser(self, event=None): | |
| 425 | filename = self.io.filename | |
| 426 | if not filename: | |
| 427 | tkMessageBox.showerror( | |
| 428 | "No filename", | |
| 429 | "This buffer has no associated filename", | |
| 430 | master=self.text) | |
| 431 | self.text.focus_set() | |
| 432 | return None | |
| 433 | head, tail = os.path.split(filename) | |
| 434 | base, ext = os.path.splitext(tail) | |
| 435 | import ClassBrowser | |
| 436 | ClassBrowser.ClassBrowser(self.flist, base, [head]) | |
| 437 | ||
| 438 | def open_path_browser(self, event=None): | |
| 439 | import PathBrowser | |
| 440 | PathBrowser.PathBrowser(self.flist) | |
| 441 | ||
| 442 | def gotoline(self, lineno): | |
| 443 | if lineno is not None and lineno > 0: | |
| 444 | self.text.mark_set("insert", "%d.0" % lineno) | |
| 445 | self.text.tag_remove("sel", "1.0", "end") | |
| 446 | self.text.tag_add("sel", "insert", "insert +1l") | |
| 447 | self.center() | |
| 448 | ||
| 449 | def ispythonsource(self, filename): | |
| 450 | if not filename: | |
| 451 | return True | |
| 452 | base, ext = os.path.splitext(os.path.basename(filename)) | |
| 453 | if os.path.normcase(ext) in (".py", ".pyw"): | |
| 454 | return True | |
| 455 | try: | |
| 456 | f = open(filename) | |
| 457 | line = f.readline() | |
| 458 | f.close() | |
| 459 | except IOError: | |
| 460 | return False | |
| 461 | return line.startswith('#!') and line.find('python') >= 0 | |
| 462 | ||
| 463 | def close_hook(self): | |
| 464 | if self.flist: | |
| 465 | self.flist.close_edit(self) | |
| 466 | ||
| 467 | def set_close_hook(self, close_hook): | |
| 468 | self.close_hook = close_hook | |
| 469 | ||
| 470 | def filename_change_hook(self): | |
| 471 | if self.flist: | |
| 472 | self.flist.filename_changed_edit(self) | |
| 473 | self.saved_change_hook() | |
| 474 | self.top.update_windowlist_registry(self) | |
| 475 | if self.ispythonsource(self.io.filename): | |
| 476 | self.addcolorizer() | |
| 477 | else: | |
| 478 | self.rmcolorizer() | |
| 479 | ||
| 480 | def addcolorizer(self): | |
| 481 | if self.color: | |
| 482 | return | |
| 483 | self.per.removefilter(self.undo) | |
| 484 | self.color = self.ColorDelegator() | |
| 485 | self.per.insertfilter(self.color) | |
| 486 | self.per.insertfilter(self.undo) | |
| 487 | ||
| 488 | def rmcolorizer(self): | |
| 489 | if not self.color: | |
| 490 | return | |
| 491 | self.per.removefilter(self.undo) | |
| 492 | self.per.removefilter(self.color) | |
| 493 | self.color = None | |
| 494 | self.per.insertfilter(self.undo) | |
| 495 | ||
| 496 | def ResetColorizer(self): | |
| 497 | "Update the colour theme if it is changed" | |
| 498 | # Called from configDialog.py | |
| 499 | if self.color: | |
| 500 | self.color = self.ColorDelegator() | |
| 501 | self.per.insertfilter(self.color) | |
| 502 | theme = idleConf.GetOption('main','Theme','name') | |
| 503 | self.text.config(idleConf.GetHighlight(theme, "normal")) | |
| 504 | ||
| 505 | def ResetFont(self): | |
| 506 | "Update the text widgets' font if it is changed" | |
| 507 | # Called from configDialog.py | |
| 508 | fontWeight='normal' | |
| 509 | if idleConf.GetOption('main','EditorWindow','font-bold',type='bool'): | |
| 510 | fontWeight='bold' | |
| 511 | self.text.config(font=(idleConf.GetOption('main','EditorWindow','font'), | |
| 512 | idleConf.GetOption('main','EditorWindow','font-size'), | |
| 513 | fontWeight)) | |
| 514 | ||
| 515 | def ResetKeybindings(self): | |
| 516 | "Update the keybindings if they are changed" | |
| 517 | # Called from configDialog.py | |
| 518 | self.Bindings.default_keydefs=idleConf.GetCurrentKeySet() | |
| 519 | keydefs = self.Bindings.default_keydefs | |
| 520 | for event, keylist in keydefs.items(): | |
| 521 | self.text.event_delete(event) | |
| 522 | self.apply_bindings() | |
| 523 | #update menu accelerators | |
| 524 | menuEventDict={} | |
| 525 | for menu in self.Bindings.menudefs: | |
| 526 | menuEventDict[menu[0]]={} | |
| 527 | for item in menu[1]: | |
| 528 | if item: | |
| 529 | menuEventDict[menu[0]][prepstr(item[0])[1]]=item[1] | |
| 530 | for menubarItem in self.menudict.keys(): | |
| 531 | menu=self.menudict[menubarItem] | |
| 532 | end=menu.index(END)+1 | |
| 533 | for index in range(0,end): | |
| 534 | if menu.type(index)=='command': | |
| 535 | accel=menu.entrycget(index,'accelerator') | |
| 536 | if accel: | |
| 537 | itemName=menu.entrycget(index,'label') | |
| 538 | event='' | |
| 539 | if menuEventDict.has_key(menubarItem): | |
| 540 | if menuEventDict[menubarItem].has_key(itemName): | |
| 541 | event=menuEventDict[menubarItem][itemName] | |
| 542 | if event: | |
| 543 | accel=get_accelerator(keydefs, event) | |
| 544 | menu.entryconfig(index,accelerator=accel) | |
| 545 | ||
| 546 | def reset_help_menu_entries(self): | |
| 547 | "Update the additional help entries on the Help menu" | |
| 548 | help_list = idleConf.GetAllExtraHelpSourcesList() | |
| 549 | helpmenu = self.menudict['help'] | |
| 550 | # first delete the extra help entries, if any | |
| 551 | helpmenu_length = helpmenu.index(END) | |
| 552 | if helpmenu_length > self.base_helpmenu_length: | |
| 553 | helpmenu.delete((self.base_helpmenu_length + 1), helpmenu_length) | |
| 554 | # then rebuild them | |
| 555 | if help_list: | |
| 556 | helpmenu.add_separator() | |
| 557 | for entry in help_list: | |
| 558 | cmd = self.__extra_help_callback(entry[1]) | |
| 559 | helpmenu.add_command(label=entry[0], command=cmd) | |
| 560 | # and update the menu dictionary | |
| 561 | self.menudict['help'] = helpmenu | |
| 562 | ||
| 563 | def __extra_help_callback(self, helpfile): | |
| 564 | "Create a callback with the helpfile value frozen at definition time" | |
| 565 | def display_extra_help(helpfile=helpfile): | |
| 566 | if not (helpfile.startswith('www') or helpfile.startswith('http')): | |
| 567 | url = os.path.normpath(helpfile) | |
| 568 | if sys.platform[:3] == 'win': | |
| 569 | os.startfile(helpfile) | |
| 570 | else: | |
| 571 | webbrowser.open(helpfile) | |
| 572 | return display_extra_help | |
| 573 | ||
| 574 | def update_recent_files_list(self, new_file=None): | |
| 575 | "Load and update the recent files list and menus" | |
| 576 | rf_list = [] | |
| 577 | if os.path.exists(self.recent_files_path): | |
| 578 | rf_list_file = open(self.recent_files_path,'r') | |
| 579 | try: | |
| 580 | rf_list = rf_list_file.readlines() | |
| 581 | finally: | |
| 582 | rf_list_file.close() | |
| 583 | if new_file: | |
| 584 | new_file = os.path.abspath(new_file) + '\n' | |
| 585 | if new_file in rf_list: | |
| 586 | rf_list.remove(new_file) # move to top | |
| 587 | rf_list.insert(0, new_file) | |
| 588 | # clean and save the recent files list | |
| 589 | bad_paths = [] | |
| 590 | for path in rf_list: | |
| 591 | if '\0' in path or not os.path.exists(path[0:-1]): | |
| 592 | bad_paths.append(path) | |
| 593 | rf_list = [path for path in rf_list if path not in bad_paths] | |
| 594 | ulchars = "1234567890ABCDEFGHIJK" | |
| 595 | rf_list = rf_list[0:len(ulchars)] | |
| 596 | rf_file = open(self.recent_files_path, 'w') | |
| 597 | try: | |
| 598 | rf_file.writelines(rf_list) | |
| 599 | finally: | |
| 600 | rf_file.close() | |
| 601 | # for each edit window instance, construct the recent files menu | |
| 602 | for instance in self.top.instance_dict.keys(): | |
| 603 | menu = instance.recent_files_menu | |
| 604 | menu.delete(1, END) # clear, and rebuild: | |
| 605 | for i, file in zip(count(), rf_list): | |
| 606 | file_name = file[0:-1] # zap \n | |
| 607 | callback = instance.__recent_file_callback(file_name) | |
| 608 | menu.add_command(label=ulchars[i] + " " + file_name, | |
| 609 | command=callback, | |
| 610 | underline=0) | |
| 611 | ||
| 612 | def __recent_file_callback(self, file_name): | |
| 613 | def open_recent_file(fn_closure=file_name): | |
| 614 | self.io.open(editFile=fn_closure) | |
| 615 | return open_recent_file | |
| 616 | ||
| 617 | def saved_change_hook(self): | |
| 618 | short = self.short_title() | |
| 619 | long = self.long_title() | |
| 620 | if short and long: | |
| 621 | title = short + " - " + long | |
| 622 | elif short: | |
| 623 | title = short | |
| 624 | elif long: | |
| 625 | title = long | |
| 626 | else: | |
| 627 | title = "Untitled" | |
| 628 | icon = short or long or title | |
| 629 | if not self.get_saved(): | |
| 630 | title = "*%s*" % title | |
| 631 | icon = "*%s" % icon | |
| 632 | self.top.wm_title(title) | |
| 633 | self.top.wm_iconname(icon) | |
| 634 | ||
| 635 | def get_saved(self): | |
| 636 | return self.undo.get_saved() | |
| 637 | ||
| 638 | def set_saved(self, flag): | |
| 639 | self.undo.set_saved(flag) | |
| 640 | ||
| 641 | def reset_undo(self): | |
| 642 | self.undo.reset_undo() | |
| 643 | ||
| 644 | def short_title(self): | |
| 645 | filename = self.io.filename | |
| 646 | if filename: | |
| 647 | filename = os.path.basename(filename) | |
| 648 | return filename | |
| 649 | ||
| 650 | def long_title(self): | |
| 651 | return self.io.filename or "" | |
| 652 | ||
| 653 | def center_insert_event(self, event): | |
| 654 | self.center() | |
| 655 | ||
| 656 | def center(self, mark="insert"): | |
| 657 | text = self.text | |
| 658 | top, bot = self.getwindowlines() | |
| 659 | lineno = self.getlineno(mark) | |
| 660 | height = bot - top | |
| 661 | newtop = max(1, lineno - height//2) | |
| 662 | text.yview(float(newtop)) | |
| 663 | ||
| 664 | def getwindowlines(self): | |
| 665 | text = self.text | |
| 666 | top = self.getlineno("@0,0") | |
| 667 | bot = self.getlineno("@0,65535") | |
| 668 | if top == bot and text.winfo_height() == 1: | |
| 669 | # Geometry manager hasn't run yet | |
| 670 | height = int(text['height']) | |
| 671 | bot = top + height - 1 | |
| 672 | return top, bot | |
| 673 | ||
| 674 | def getlineno(self, mark="insert"): | |
| 675 | text = self.text | |
| 676 | return int(float(text.index(mark))) | |
| 677 | ||
| 678 | def get_geometry(self): | |
| 679 | "Return (width, height, x, y)" | |
| 680 | geom = self.top.wm_geometry() | |
| 681 | m = re.match(r"(\d+)x(\d+)\+(-?\d+)\+(-?\d+)", geom) | |
| 682 | tuple = (map(int, m.groups())) | |
| 683 | return tuple | |
| 684 | ||
| 685 | def close_event(self, event): | |
| 686 | self.close() | |
| 687 | ||
| 688 | def maybesave(self): | |
| 689 | if self.io: | |
| 690 | if not self.get_saved(): | |
| 691 | if self.top.state()!='normal': | |
| 692 | self.top.deiconify() | |
| 693 | self.top.lower() | |
| 694 | self.top.lift() | |
| 695 | return self.io.maybesave() | |
| 696 | ||
| 697 | def close(self): | |
| 698 | reply = self.maybesave() | |
| 699 | if reply != "cancel": | |
| 700 | self._close() | |
| 701 | return reply | |
| 702 | ||
| 703 | def _close(self): | |
| 704 | if self.io.filename: | |
| 705 | self.update_recent_files_list(new_file=self.io.filename) | |
| 706 | WindowList.unregister_callback(self.postwindowsmenu) | |
| 707 | if self.close_hook: | |
| 708 | self.close_hook() | |
| 709 | self.flist = None | |
| 710 | colorizing = 0 | |
| 711 | self.unload_extensions() | |
| 712 | self.io.close(); self.io = None | |
| 713 | self.undo = None # XXX | |
| 714 | if self.color: | |
| 715 | colorizing = self.color.colorizing | |
| 716 | doh = colorizing and self.top | |
| 717 | self.color.close(doh) # Cancel colorization | |
| 718 | self.text = None | |
| 719 | self.tkinter_vars = None | |
| 720 | self.per.close(); self.per = None | |
| 721 | if not colorizing: | |
| 722 | self.top.destroy() | |
| 723 | ||
| 724 | def load_extensions(self): | |
| 725 | self.extensions = {} | |
| 726 | self.load_standard_extensions() | |
| 727 | ||
| 728 | def unload_extensions(self): | |
| 729 | for ins in self.extensions.values(): | |
| 730 | if hasattr(ins, "close"): | |
| 731 | ins.close() | |
| 732 | self.extensions = {} | |
| 733 | ||
| 734 | def load_standard_extensions(self): | |
| 735 | for name in self.get_standard_extension_names(): | |
| 736 | try: | |
| 737 | self.load_extension(name) | |
| 738 | except: | |
| 739 | print "Failed to load extension", repr(name) | |
| 740 | import traceback | |
| 741 | traceback.print_exc() | |
| 742 | ||
| 743 | def get_standard_extension_names(self): | |
| 744 | return idleConf.GetExtensions(editor_only=True) | |
| 745 | ||
| 746 | def load_extension(self, name): | |
| 747 | try: | |
| 748 | mod = __import__(name, globals(), locals(), []) | |
| 749 | except ImportError: | |
| 750 | print "\nFailed to import extension: ", name | |
| 751 | return None | |
| 752 | cls = getattr(mod, name) | |
| 753 | keydefs = idleConf.GetExtensionBindings(name) | |
| 754 | if hasattr(cls, "menudefs"): | |
| 755 | self.fill_menus(cls.menudefs, keydefs) | |
| 756 | ins = cls(self) | |
| 757 | self.extensions[name] = ins | |
| 758 | if keydefs: | |
| 759 | self.apply_bindings(keydefs) | |
| 760 | for vevent in keydefs.keys(): | |
| 761 | methodname = vevent.replace("-", "_") | |
| 762 | while methodname[:1] == '<': | |
| 763 | methodname = methodname[1:] | |
| 764 | while methodname[-1:] == '>': | |
| 765 | methodname = methodname[:-1] | |
| 766 | methodname = methodname + "_event" | |
| 767 | if hasattr(ins, methodname): | |
| 768 | self.text.bind(vevent, getattr(ins, methodname)) | |
| 769 | return ins | |
| 770 | ||
| 771 | def apply_bindings(self, keydefs=None): | |
| 772 | if keydefs is None: | |
| 773 | keydefs = self.Bindings.default_keydefs | |
| 774 | text = self.text | |
| 775 | text.keydefs = keydefs | |
| 776 | for event, keylist in keydefs.items(): | |
| 777 | if keylist: | |
| 778 | text.event_add(event, *keylist) | |
| 779 | ||
| 780 | def fill_menus(self, menudefs=None, keydefs=None): | |
| 781 | """Add appropriate entries to the menus and submenus | |
| 782 | ||
| 783 | Menus that are absent or None in self.menudict are ignored. | |
| 784 | """ | |
| 785 | if menudefs is None: | |
| 786 | menudefs = self.Bindings.menudefs | |
| 787 | if keydefs is None: | |
| 788 | keydefs = self.Bindings.default_keydefs | |
| 789 | menudict = self.menudict | |
| 790 | text = self.text | |
| 791 | for mname, entrylist in menudefs: | |
| 792 | menu = menudict.get(mname) | |
| 793 | if not menu: | |
| 794 | continue | |
| 795 | for entry in entrylist: | |
| 796 | if not entry: | |
| 797 | menu.add_separator() | |
| 798 | else: | |
| 799 | label, eventname = entry | |
| 800 | checkbutton = (label[:1] == '!') | |
| 801 | if checkbutton: | |
| 802 | label = label[1:] | |
| 803 | underline, label = prepstr(label) | |
| 804 | accelerator = get_accelerator(keydefs, eventname) | |
| 805 | def command(text=text, eventname=eventname): | |
| 806 | text.event_generate(eventname) | |
| 807 | if checkbutton: | |
| 808 | var = self.get_var_obj(eventname, BooleanVar) | |
| 809 | menu.add_checkbutton(label=label, underline=underline, | |
| 810 | command=command, accelerator=accelerator, | |
| 811 | variable=var) | |
| 812 | else: | |
| 813 | menu.add_command(label=label, underline=underline, | |
| 814 | command=command, | |
| 815 | accelerator=accelerator) | |
| 816 | ||
| 817 | def getvar(self, name): | |
| 818 | var = self.get_var_obj(name) | |
| 819 | if var: | |
| 820 | value = var.get() | |
| 821 | return value | |
| 822 | else: | |
| 823 | raise NameError, name | |
| 824 | ||
| 825 | def setvar(self, name, value, vartype=None): | |
| 826 | var = self.get_var_obj(name, vartype) | |
| 827 | if var: | |
| 828 | var.set(value) | |
| 829 | else: | |
| 830 | raise NameError, name | |
| 831 | ||
| 832 | def get_var_obj(self, name, vartype=None): | |
| 833 | var = self.tkinter_vars.get(name) | |
| 834 | if not var and vartype: | |
| 835 | # create a Tkinter variable object with self.text as master: | |
| 836 | self.tkinter_vars[name] = var = vartype(self.text) | |
| 837 | return var | |
| 838 | ||
| 839 | # Tk implementations of "virtual text methods" -- each platform | |
| 840 | # reusing IDLE's support code needs to define these for its GUI's | |
| 841 | # flavor of widget. | |
| 842 | ||
| 843 | # Is character at text_index in a Python string? Return 0 for | |
| 844 | # "guaranteed no", true for anything else. This info is expensive | |
| 845 | # to compute ab initio, but is probably already known by the | |
| 846 | # platform's colorizer. | |
| 847 | ||
| 848 | def is_char_in_string(self, text_index): | |
| 849 | if self.color: | |
| 850 | # Return true iff colorizer hasn't (re)gotten this far | |
| 851 | # yet, or the character is tagged as being in a string | |
| 852 | return self.text.tag_prevrange("TODO", text_index) or \ | |
| 853 | "STRING" in self.text.tag_names(text_index) | |
| 854 | else: | |
| 855 | # The colorizer is missing: assume the worst | |
| 856 | return 1 | |
| 857 | ||
| 858 | # If a selection is defined in the text widget, return (start, | |
| 859 | # end) as Tkinter text indices, otherwise return (None, None) | |
| 860 | def get_selection_indices(self): | |
| 861 | try: | |
| 862 | first = self.text.index("sel.first") | |
| 863 | last = self.text.index("sel.last") | |
| 864 | return first, last | |
| 865 | except TclError: | |
| 866 | return None, None | |
| 867 | ||
| 868 | # Return the text widget's current view of what a tab stop means | |
| 869 | # (equivalent width in spaces). | |
| 870 | ||
| 871 | def get_tabwidth(self): | |
| 872 | current = self.text['tabs'] or TK_TABWIDTH_DEFAULT | |
| 873 | return int(current) | |
| 874 | ||
| 875 | # Set the text widget's current view of what a tab stop means. | |
| 876 | ||
| 877 | def set_tabwidth(self, newtabwidth): | |
| 878 | text = self.text | |
| 879 | if self.get_tabwidth() != newtabwidth: | |
| 880 | pixels = text.tk.call("font", "measure", text["font"], | |
| 881 | "-displayof", text.master, | |
| 882 | "n" * newtabwidth) | |
| 883 | text.configure(tabs=pixels) | |
| 884 | ||
| 885 | ### begin autoindent code ### | |
| 886 | ||
| 887 | # usetabs true -> literal tab characters are used by indent and | |
| 888 | # dedent cmds, possibly mixed with spaces if | |
| 889 | # indentwidth is not a multiple of tabwidth | |
| 890 | # false -> tab characters are converted to spaces by indent | |
| 891 | # and dedent cmds, and ditto TAB keystrokes | |
| 892 | # indentwidth is the number of characters per logical indent level. | |
| 893 | # tabwidth is the display width of a literal tab character. | |
| 894 | # CAUTION: telling Tk to use anything other than its default | |
| 895 | # tab setting causes it to use an entirely different tabbing algorithm, | |
| 896 | # treating tab stops as fixed distances from the left margin. | |
| 897 | # Nobody expects this, so for now tabwidth should never be changed. | |
| 898 | usetabs = 0 | |
| 899 | indentwidth = 4 | |
| 900 | tabwidth = 8 # for IDLE use, must remain 8 until Tk is fixed | |
| 901 | ||
| 902 | # If context_use_ps1 is true, parsing searches back for a ps1 line; | |
| 903 | # else searches for a popular (if, def, ...) Python stmt. | |
| 904 | context_use_ps1 = 0 | |
| 905 | ||
| 906 | # When searching backwards for a reliable place to begin parsing, | |
| 907 | # first start num_context_lines[0] lines back, then | |
| 908 | # num_context_lines[1] lines back if that didn't work, and so on. | |
| 909 | # The last value should be huge (larger than the # of lines in a | |
| 910 | # conceivable file). | |
| 911 | # Making the initial values larger slows things down more often. | |
| 912 | num_context_lines = 50, 500, 5000000 | |
| 913 | ||
| 914 | def config(self, **options): | |
| 915 | for key, value in options.items(): | |
| 916 | if key == 'usetabs': | |
| 917 | self.usetabs = value | |
| 918 | elif key == 'indentwidth': | |
| 919 | self.indentwidth = value | |
| 920 | elif key == 'tabwidth': | |
| 921 | self.tabwidth = value | |
| 922 | elif key == 'context_use_ps1': | |
| 923 | self.context_use_ps1 = value | |
| 924 | else: | |
| 925 | raise KeyError, "bad option name: %r" % (key,) | |
| 926 | ||
| 927 | # If ispythonsource and guess are true, guess a good value for | |
| 928 | # indentwidth based on file content (if possible), and if | |
| 929 | # indentwidth != tabwidth set usetabs false. | |
| 930 | # In any case, adjust the Text widget's view of what a tab | |
| 931 | # character means. | |
| 932 | ||
| 933 | def set_indentation_params(self, ispythonsource, guess=1): | |
| 934 | if guess and ispythonsource: | |
| 935 | i = self.guess_indent() | |
| 936 | if 2 <= i <= 8: | |
| 937 | self.indentwidth = i | |
| 938 | if self.indentwidth != self.tabwidth: | |
| 939 | self.usetabs = 0 | |
| 940 | ||
| 941 | self.set_tabwidth(self.tabwidth) | |
| 942 | ||
| 943 | def smart_backspace_event(self, event): | |
| 944 | text = self.text | |
| 945 | first, last = self.get_selection_indices() | |
| 946 | if first and last: | |
| 947 | text.delete(first, last) | |
| 948 | text.mark_set("insert", first) | |
| 949 | return "break" | |
| 950 | # Delete whitespace left, until hitting a real char or closest | |
| 951 | # preceding virtual tab stop. | |
| 952 | chars = text.get("insert linestart", "insert") | |
| 953 | if chars == '': | |
| 954 | if text.compare("insert", ">", "1.0"): | |
| 955 | # easy: delete preceding newline | |
| 956 | text.delete("insert-1c") | |
| 957 | else: | |
| 958 | text.bell() # at start of buffer | |
| 959 | return "break" | |
| 960 | if chars[-1] not in " \t": | |
| 961 | # easy: delete preceding real char | |
| 962 | text.delete("insert-1c") | |
| 963 | return "break" | |
| 964 | # Ick. It may require *inserting* spaces if we back up over a | |
| 965 | # tab character! This is written to be clear, not fast. | |
| 966 | tabwidth = self.tabwidth | |
| 967 | have = len(chars.expandtabs(tabwidth)) | |
| 968 | assert have > 0 | |
| 969 | want = ((have - 1) // self.indentwidth) * self.indentwidth | |
| 970 | # Debug prompt is multilined.... | |
| 971 | last_line_of_prompt = sys.ps1.split('\n')[-1] | |
| 972 | ncharsdeleted = 0 | |
| 973 | while 1: | |
| 974 | if chars == last_line_of_prompt: | |
| 975 | break | |
| 976 | chars = chars[:-1] | |
| 977 | ncharsdeleted = ncharsdeleted + 1 | |
| 978 | have = len(chars.expandtabs(tabwidth)) | |
| 979 | if have <= want or chars[-1] not in " \t": | |
| 980 | break | |
| 981 | text.undo_block_start() | |
| 982 | text.delete("insert-%dc" % ncharsdeleted, "insert") | |
| 983 | if have < want: | |
| 984 | text.insert("insert", ' ' * (want - have)) | |
| 985 | text.undo_block_stop() | |
| 986 | return "break" | |
| 987 | ||
| 988 | def smart_indent_event(self, event): | |
| 989 | # if intraline selection: | |
| 990 | # delete it | |
| 991 | # elif multiline selection: | |
| 992 | # do indent-region & return | |
| 993 | # indent one level | |
| 994 | text = self.text | |
| 995 | first, last = self.get_selection_indices() | |
| 996 | text.undo_block_start() | |
| 997 | try: | |
| 998 | if first and last: | |
| 999 | if index2line(first) != index2line(last): | |
| 1000 | return self.indent_region_event(event) | |
| 1001 | text.delete(first, last) | |
| 1002 | text.mark_set("insert", first) | |
| 1003 | prefix = text.get("insert linestart", "insert") | |
| 1004 | raw, effective = classifyws(prefix, self.tabwidth) | |
| 1005 | if raw == len(prefix): | |
| 1006 | # only whitespace to the left | |
| 1007 | self.reindent_to(effective + self.indentwidth) | |
| 1008 | else: | |
| 1009 | if self.usetabs: | |
| 1010 | pad = '\t' | |
| 1011 | else: | |
| 1012 | effective = len(prefix.expandtabs(self.tabwidth)) | |
| 1013 | n = self.indentwidth | |
| 1014 | pad = ' ' * (n - effective % n) | |
| 1015 | text.insert("insert", pad) | |
| 1016 | text.see("insert") | |
| 1017 | return "break" | |
| 1018 | finally: | |
| 1019 | text.undo_block_stop() | |
| 1020 | ||
| 1021 | def newline_and_indent_event(self, event): | |
| 1022 | text = self.text | |
| 1023 | first, last = self.get_selection_indices() | |
| 1024 | text.undo_block_start() | |
| 1025 | try: | |
| 1026 | if first and last: | |
| 1027 | text.delete(first, last) | |
| 1028 | text.mark_set("insert", first) | |
| 1029 | line = text.get("insert linestart", "insert") | |
| 1030 | i, n = 0, len(line) | |
| 1031 | while i < n and line[i] in " \t": | |
| 1032 | i = i+1 | |
| 1033 | if i == n: | |
| 1034 | # the cursor is in or at leading indentation in a continuation | |
| 1035 | # line; just inject an empty line at the start | |
| 1036 | text.insert("insert linestart", '\n') | |
| 1037 | return "break" | |
| 1038 | indent = line[:i] | |
| 1039 | # strip whitespace before insert point unless it's in the prompt | |
| 1040 | i = 0 | |
| 1041 | last_line_of_prompt = sys.ps1.split('\n')[-1] | |
| 1042 | while line and line[-1] in " \t" and line != last_line_of_prompt: | |
| 1043 | line = line[:-1] | |
| 1044 | i = i+1 | |
| 1045 | if i: | |
| 1046 | text.delete("insert - %d chars" % i, "insert") | |
| 1047 | # strip whitespace after insert point | |
| 1048 | while text.get("insert") in " \t": | |
| 1049 | text.delete("insert") | |
| 1050 | # start new line | |
| 1051 | text.insert("insert", '\n') | |
| 1052 | ||
| 1053 | # adjust indentation for continuations and block | |
| 1054 | # open/close first need to find the last stmt | |
| 1055 | lno = index2line(text.index('insert')) | |
| 1056 | y = PyParse.Parser(self.indentwidth, self.tabwidth) | |
| 1057 | for context in self.num_context_lines: | |
| 1058 | startat = max(lno - context, 1) | |
| 1059 | startatindex = repr(startat) + ".0" | |
| 1060 | rawtext = text.get(startatindex, "insert") | |
| 1061 | y.set_str(rawtext) | |
| 1062 | bod = y.find_good_parse_start( | |
| 1063 | self.context_use_ps1, | |
| 1064 | self._build_char_in_string_func(startatindex)) | |
| 1065 | if bod is not None or startat == 1: | |
| 1066 | break | |
| 1067 | y.set_lo(bod or 0) | |
| 1068 | c = y.get_continuation_type() | |
| 1069 | if c != PyParse.C_NONE: | |
| 1070 | # The current stmt hasn't ended yet. | |
| 1071 | if c == PyParse.C_STRING: | |
| 1072 | # inside a string; just mimic the current indent | |
| 1073 | text.insert("insert", indent) | |
| 1074 | elif c == PyParse.C_BRACKET: | |
| 1075 | # line up with the first (if any) element of the | |
| 1076 | # last open bracket structure; else indent one | |
| 1077 | # level beyond the indent of the line with the | |
| 1078 | # last open bracket | |
| 1079 | self.reindent_to(y.compute_bracket_indent()) | |
| 1080 | elif c == PyParse.C_BACKSLASH: | |
| 1081 | # if more than one line in this stmt already, just | |
| 1082 | # mimic the current indent; else if initial line | |
| 1083 | # has a start on an assignment stmt, indent to | |
| 1084 | # beyond leftmost =; else to beyond first chunk of | |
| 1085 | # non-whitespace on initial line | |
| 1086 | if y.get_num_lines_in_stmt() > 1: | |
| 1087 | text.insert("insert", indent) | |
| 1088 | else: | |
| 1089 | self.reindent_to(y.compute_backslash_indent()) | |
| 1090 | else: | |
| 1091 | assert 0, "bogus continuation type %r" % (c,) | |
| 1092 | return "break" | |
| 1093 | ||
| 1094 | # This line starts a brand new stmt; indent relative to | |
| 1095 | # indentation of initial line of closest preceding | |
| 1096 | # interesting stmt. | |
| 1097 | indent = y.get_base_indent_string() | |
| 1098 | text.insert("insert", indent) | |
| 1099 | if y.is_block_opener(): | |
| 1100 | self.smart_indent_event(event) | |
| 1101 | elif indent and y.is_block_closer(): | |
| 1102 | self.smart_backspace_event(event) | |
| 1103 | return "break" | |
| 1104 | finally: | |
| 1105 | text.see("insert") | |
| 1106 | text.undo_block_stop() | |
| 1107 | ||
| 1108 | # Our editwin provides a is_char_in_string function that works | |
| 1109 | # with a Tk text index, but PyParse only knows about offsets into | |
| 1110 | # a string. This builds a function for PyParse that accepts an | |
| 1111 | # offset. | |
| 1112 | ||
| 1113 | def _build_char_in_string_func(self, startindex): | |
| 1114 | def inner(offset, _startindex=startindex, | |
| 1115 | _icis=self.is_char_in_string): | |
| 1116 | return _icis(_startindex + "+%dc" % offset) | |
| 1117 | return inner | |
| 1118 | ||
| 1119 | def indent_region_event(self, event): | |
| 1120 | head, tail, chars, lines = self.get_region() | |
| 1121 | for pos in range(len(lines)): | |
| 1122 | line = lines[pos] | |
| 1123 | if line: | |
| 1124 | raw, effective = classifyws(line, self.tabwidth) | |
| 1125 | effective = effective + self.indentwidth | |
| 1126 | lines[pos] = self._make_blanks(effective) + line[raw:] | |
| 1127 | self.set_region(head, tail, chars, lines) | |
| 1128 | return "break" | |
| 1129 | ||
| 1130 | def dedent_region_event(self, event): | |
| 1131 | head, tail, chars, lines = self.get_region() | |
| 1132 | for pos in range(len(lines)): | |
| 1133 | line = lines[pos] | |
| 1134 | if line: | |
| 1135 | raw, effective = classifyws(line, self.tabwidth) | |
| 1136 | effective = max(effective - self.indentwidth, 0) | |
| 1137 | lines[pos] = self._make_blanks(effective) + line[raw:] | |
| 1138 | self.set_region(head, tail, chars, lines) | |
| 1139 | return "break" | |
| 1140 | ||
| 1141 | def comment_region_event(self, event): | |
| 1142 | head, tail, chars, lines = self.get_region() | |
| 1143 | for pos in range(len(lines) - 1): | |
| 1144 | line = lines[pos] | |
| 1145 | lines[pos] = '##' + line | |
| 1146 | self.set_region(head, tail, chars, lines) | |
| 1147 | ||
| 1148 | def uncomment_region_event(self, event): | |
| 1149 | head, tail, chars, lines = self.get_region() | |
| 1150 | for pos in range(len(lines)): | |
| 1151 | line = lines[pos] | |
| 1152 | if not line: | |
| 1153 | continue | |
| 1154 | if line[:2] == '##': | |
| 1155 | line = line[2:] | |
| 1156 | elif line[:1] == '#': | |
| 1157 | line = line[1:] | |
| 1158 | lines[pos] = line | |
| 1159 | self.set_region(head, tail, chars, lines) | |
| 1160 | ||
| 1161 | def tabify_region_event(self, event): | |
| 1162 | head, tail, chars, lines = self.get_region() | |
| 1163 | tabwidth = self._asktabwidth() | |
| 1164 | for pos in range(len(lines)): | |
| 1165 | line = lines[pos] | |
| 1166 | if line: | |
| 1167 | raw, effective = classifyws(line, tabwidth) | |
| 1168 | ntabs, nspaces = divmod(effective, tabwidth) | |
| 1169 | lines[pos] = '\t' * ntabs + ' ' * nspaces + line[raw:] | |
| 1170 | self.set_region(head, tail, chars, lines) | |
| 1171 | ||
| 1172 | def untabify_region_event(self, event): | |
| 1173 | head, tail, chars, lines = self.get_region() | |
| 1174 | tabwidth = self._asktabwidth() | |
| 1175 | for pos in range(len(lines)): | |
| 1176 | lines[pos] = lines[pos].expandtabs(tabwidth) | |
| 1177 | self.set_region(head, tail, chars, lines) | |
| 1178 | ||
| 1179 | def toggle_tabs_event(self, event): | |
| 1180 | if self.askyesno( | |
| 1181 | "Toggle tabs", | |
| 1182 | "Turn tabs " + ("on", "off")[self.usetabs] + "?", | |
| 1183 | parent=self.text): | |
| 1184 | self.usetabs = not self.usetabs | |
| 1185 | return "break" | |
| 1186 | ||
| 1187 | # XXX this isn't bound to anything -- see class tabwidth comments | |
| 1188 | def change_tabwidth_event(self, event): | |
| 1189 | new = self._asktabwidth() | |
| 1190 | if new != self.tabwidth: | |
| 1191 | self.tabwidth = new | |
| 1192 | self.set_indentation_params(0, guess=0) | |
| 1193 | return "break" | |
| 1194 | ||
| 1195 | def change_indentwidth_event(self, event): | |
| 1196 | new = self.askinteger( | |
| 1197 | "Indent width", | |
| 1198 | "New indent width (2-16)", | |
| 1199 | parent=self.text, | |
| 1200 | initialvalue=self.indentwidth, | |
| 1201 | minvalue=2, | |
| 1202 | maxvalue=16) | |
| 1203 | if new and new != self.indentwidth: | |
| 1204 | self.indentwidth = new | |
| 1205 | return "break" | |
| 1206 | ||
| 1207 | def get_region(self): | |
| 1208 | text = self.text | |
| 1209 | first, last = self.get_selection_indices() | |
| 1210 | if first and last: | |
| 1211 | head = text.index(first + " linestart") | |
| 1212 | tail = text.index(last + "-1c lineend +1c") | |
| 1213 | else: | |
| 1214 | head = text.index("insert linestart") | |
| 1215 | tail = text.index("insert lineend +1c") | |
| 1216 | chars = text.get(head, tail) | |
| 1217 | lines = chars.split("\n") | |
| 1218 | return head, tail, chars, lines | |
| 1219 | ||
| 1220 | def set_region(self, head, tail, chars, lines): | |
| 1221 | text = self.text | |
| 1222 | newchars = "\n".join(lines) | |
| 1223 | if newchars == chars: | |
| 1224 | text.bell() | |
| 1225 | return | |
| 1226 | text.tag_remove("sel", "1.0", "end") | |
| 1227 | text.mark_set("insert", head) | |
| 1228 | text.undo_block_start() | |
| 1229 | text.delete(head, tail) | |
| 1230 | text.insert(head, newchars) | |
| 1231 | text.undo_block_stop() | |
| 1232 | text.tag_add("sel", head, "insert") | |
| 1233 | ||
| 1234 | # Make string that displays as n leading blanks. | |
| 1235 | ||
| 1236 | def _make_blanks(self, n): | |
| 1237 | if self.usetabs: | |
| 1238 | ntabs, nspaces = divmod(n, self.tabwidth) | |
| 1239 | return '\t' * ntabs + ' ' * nspaces | |
| 1240 | else: | |
| 1241 | return ' ' * n | |
| 1242 | ||
| 1243 | # Delete from beginning of line to insert point, then reinsert | |
| 1244 | # column logical (meaning use tabs if appropriate) spaces. | |
| 1245 | ||
| 1246 | def reindent_to(self, column): | |
| 1247 | text = self.text | |
| 1248 | text.undo_block_start() | |
| 1249 | if text.compare("insert linestart", "!=", "insert"): | |
| 1250 | text.delete("insert linestart", "insert") | |
| 1251 | if column: | |
| 1252 | text.insert("insert", self._make_blanks(column)) | |
| 1253 | text.undo_block_stop() | |
| 1254 | ||
| 1255 | def _asktabwidth(self): | |
| 1256 | return self.askinteger( | |
| 1257 | "Tab width", | |
| 1258 | "Spaces per tab? (2-16)", | |
| 1259 | parent=self.text, | |
| 1260 | initialvalue=self.indentwidth, | |
| 1261 | minvalue=2, | |
| 1262 | maxvalue=16) or self.tabwidth | |
| 1263 | ||
| 1264 | # Guess indentwidth from text content. | |
| 1265 | # Return guessed indentwidth. This should not be believed unless | |
| 1266 | # it's in a reasonable range (e.g., it will be 0 if no indented | |
| 1267 | # blocks are found). | |
| 1268 | ||
| 1269 | def guess_indent(self): | |
| 1270 | opener, indented = IndentSearcher(self.text, self.tabwidth).run() | |
| 1271 | if opener and indented: | |
| 1272 | raw, indentsmall = classifyws(opener, self.tabwidth) | |
| 1273 | raw, indentlarge = classifyws(indented, self.tabwidth) | |
| 1274 | else: | |
| 1275 | indentsmall = indentlarge = 0 | |
| 1276 | return indentlarge - indentsmall | |
| 1277 | ||
| 1278 | # "line.col" -> line, as an int | |
| 1279 | def index2line(index): | |
| 1280 | return int(float(index)) | |
| 1281 | ||
| 1282 | # Look at the leading whitespace in s. | |
| 1283 | # Return pair (# of leading ws characters, | |
| 1284 | # effective # of leading blanks after expanding | |
| 1285 | # tabs to width tabwidth) | |
| 1286 | ||
| 1287 | def classifyws(s, tabwidth): | |
| 1288 | raw = effective = 0 | |
| 1289 | for ch in s: | |
| 1290 | if ch == ' ': | |
| 1291 | raw = raw + 1 | |
| 1292 | effective = effective + 1 | |
| 1293 | elif ch == '\t': | |
| 1294 | raw = raw + 1 | |
| 1295 | effective = (effective // tabwidth + 1) * tabwidth | |
| 1296 | else: | |
| 1297 | break | |
| 1298 | return raw, effective | |
| 1299 | ||
| 1300 | import tokenize | |
| 1301 | _tokenize = tokenize | |
| 1302 | del tokenize | |
| 1303 | ||
| 1304 | class IndentSearcher: | |
| 1305 | ||
| 1306 | # .run() chews over the Text widget, looking for a block opener | |
| 1307 | # and the stmt following it. Returns a pair, | |
| 1308 | # (line containing block opener, line containing stmt) | |
| 1309 | # Either or both may be None. | |
| 1310 | ||
| 1311 | def __init__(self, text, tabwidth): | |
| 1312 | self.text = text | |
| 1313 | self.tabwidth = tabwidth | |
| 1314 | self.i = self.finished = 0 | |
| 1315 | self.blkopenline = self.indentedline = None | |
| 1316 | ||
| 1317 | def readline(self): | |
| 1318 | if self.finished: | |
| 1319 | return "" | |
| 1320 | i = self.i = self.i + 1 | |
| 1321 | mark = repr(i) + ".0" | |
| 1322 | if self.text.compare(mark, ">=", "end"): | |
| 1323 | return "" | |
| 1324 | return self.text.get(mark, mark + " lineend+1c") | |
| 1325 | ||
| 1326 | def tokeneater(self, type, token, start, end, line, | |
| 1327 | INDENT=_tokenize.INDENT, | |
| 1328 | NAME=_tokenize.NAME, | |
| 1329 | OPENERS=('class', 'def', 'for', 'if', 'try', 'while')): | |
| 1330 | if self.finished: | |
| 1331 | pass | |
| 1332 | elif type == NAME and token in OPENERS: | |
| 1333 | self.blkopenline = line | |
| 1334 | elif type == INDENT and self.blkopenline: | |
| 1335 | self.indentedline = line | |
| 1336 | self.finished = 1 | |
| 1337 | ||
| 1338 | def run(self): | |
| 1339 | save_tabsize = _tokenize.tabsize | |
| 1340 | _tokenize.tabsize = self.tabwidth | |
| 1341 | try: | |
| 1342 | try: | |
| 1343 | _tokenize.tokenize(self.readline, self.tokeneater) | |
| 1344 | except _tokenize.TokenError: | |
| 1345 | # since we cut off the tokenizer early, we can trigger | |
| 1346 | # spurious errors | |
| 1347 | pass | |
| 1348 | finally: | |
| 1349 | _tokenize.tabsize = save_tabsize | |
| 1350 | return self.blkopenline, self.indentedline | |
| 1351 | ||
| 1352 | ### end autoindent code ### | |
| 1353 | ||
| 1354 | def prepstr(s): | |
| 1355 | # Helper to extract the underscore from a string, e.g. | |
| 1356 | # prepstr("Co_py") returns (2, "Copy"). | |
| 1357 | i = s.find('_') | |
| 1358 | if i >= 0: | |
| 1359 | s = s[:i] + s[i+1:] | |
| 1360 | return i, s | |
| 1361 | ||
| 1362 | ||
| 1363 | keynames = { | |
| 1364 | 'bracketleft': '[', | |
| 1365 | 'bracketright': ']', | |
| 1366 | 'slash': '/', | |
| 1367 | } | |
| 1368 | ||
| 1369 | def get_accelerator(keydefs, eventname): | |
| 1370 | keylist = keydefs.get(eventname) | |
| 1371 | if not keylist: | |
| 1372 | return "" | |
| 1373 | s = keylist[0] | |
| 1374 | s = re.sub(r"-[a-z]\b", lambda m: m.group().upper(), s) | |
| 1375 | s = re.sub(r"\b\w+\b", lambda m: keynames.get(m.group(), m.group()), s) | |
| 1376 | s = re.sub("Key-", "", s) | |
| 1377 | s = re.sub("Cancel","Ctrl-Break",s) # dscherer@cmu.edu | |
| 1378 | s = re.sub("Control-", "Ctrl-", s) | |
| 1379 | s = re.sub("-", "+", s) | |
| 1380 | s = re.sub("><", " ", s) | |
| 1381 | s = re.sub("<", "", s) | |
| 1382 | s = re.sub(">", "", s) | |
| 1383 | return s | |
| 1384 | ||
| 1385 | ||
| 1386 | def fixwordbreaks(root): | |
| 1387 | # Make sure that Tk's double-click and next/previous word | |
| 1388 | # operations use our definition of a word (i.e. an identifier) | |
| 1389 | tk = root.tk | |
| 1390 | tk.call('tcl_wordBreakAfter', 'a b', 0) # make sure word.tcl is loaded | |
| 1391 | tk.call('set', 'tcl_wordchars', '[a-zA-Z0-9_]') | |
| 1392 | tk.call('set', 'tcl_nonwordchars', '[^a-zA-Z0-9_]') | |
| 1393 | ||
| 1394 | ||
| 1395 | def test(): | |
| 1396 | root = Tk() | |
| 1397 | fixwordbreaks(root) | |
| 1398 | root.withdraw() | |
| 1399 | if sys.argv[1:]: | |
| 1400 | filename = sys.argv[1] | |
| 1401 | else: | |
| 1402 | filename = None | |
| 1403 | edit = EditorWindow(root=root, filename=filename) | |
| 1404 | edit.set_close_hook(root.quit) | |
| 1405 | root.mainloop() | |
| 1406 | root.destroy() | |
| 1407 | ||
| 1408 | if __name__ == '__main__': | |
| 1409 | test() |