/usr/share/pyshared/visual/filedialog.py is in python-visual 1:5.12-1.6build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 | from visual import *
import os
from time import clock
def save_file(file_extensions=None, x=100, y=100, title="Save", mode='w', maxfiles=20):
if maxfiles < 5: maxfiles = 5
if mode[0] != 'w':
raise ValueError, "To save a file, mode must start with 'w'."
if file_extensions is not None:
if isinstance(file_extensions, (list,tuple)):
raise ValueError, "Only one file extension can be specified."
file_extensions = [file_extensions]
return filedialog(file_extensions=file_extensions,
x=x, y=y, title=title, mode=mode, maxfiles=maxfiles)
def get_file(file_extensions=None, x=100, y=100, title="Open", mode='rU', maxfiles=20):
if maxfiles < 5: maxfiles = 5
if mode[0] != 'r' and mode != 'U':
raise ValueError, "To read a file, mode must start with 'r'."
if file_extensions is not None:
if not isinstance(file_extensions, (list,tuple)):
file_extensions = [file_extensions]
return filedialog(file_extensions=file_extensions,
x=x, y=y, title=title, mode=mode, maxfiles=maxfiles)
def filedialog(file_extensions=None, x=100, y=100, title="Open", mode='rU', maxfiles=20):
# file_extensions is a list of types (reading) or a 1-element list (writing)
writing = not (mode[0] == 'r' or mode == 'U')
filecolor = color.black
dircolor = (0,0.5,0.5)
selectcolor = (.7,1,1)
inactivecolor = (0.8,0.8,0.8)
activecolor = (0.6,0.6,0.6)
winwidth = 300
hitem = 20 # pixel height of each menu listing
ctrls = 20 # button area
hcanvas = hitem*(maxfiles+3)+ctrls # approx height without title bar
currentdisplay = display.get_selected()
menus = display(background=color.white, foreground=color.black, exit=0, range=100,
x=x, y=y, title=title, fov=0.001,
# allow 30 pixels for title bar
width=winwidth, height=30+hcanvas+ctrls)
if menus.width >= hcanvas+ctrls:
hmenu = 200.*hitem/menus.width
ytop = 100.*hcanvas/menus.width-2*hmenu
ybottom = ytop-maxfiles*hmenu
ytopscroll = 100.*(hcanvas+ctrls)/menus.width
ybottomscroll = -ytopscroll
xmax = 100.
xmin = -xmax
scroll_edge = 87.
okaypos = (20,ybottom-1.2*hmenu,0.1)
cancelpos = (60,ybottom-1.2*hmenu,0.1)
okaysize = (35,1.1*hmenu,0.1)
else:
hmenu = 200.*hitem/hcanvas
ytop = 100.-2*hmenu
ybottom = ytop-maxfiles*hmenu
ytopscroll = 100.
ybottomscroll = -ytopscroll
xmax = 100.*menus.width/(hcanvas+ctrls)
xmin = -xmax
scroll_edge = xmax-14*menus.width/hcanvas
okaypos = (20.*menus.width/hcanvas,ybottom-1.2*hmenu,0.1)
cancelpos = (60.*menus.width/hcanvas,ybottom-1.2*hmenu,0.1)
okaysize = (35.*menus.width/hcanvas,1.1*hmenu,0.1)
okay = box(pos=okaypos, size=okaysize, color=inactivecolor)
if writing:
t = 'Save'
else:
t = 'Open'
okaylabel = label(pos=okaypos, text=t, color=color.black, opacity=0, box=0)
cancel = box(pos=cancelpos, size=okaysize, color=inactivecolor)
label(pos=cancelpos, text='Cancel', color=color.black, opacity=0, box=0)
go_up = box(pos=(cancel.pos.x,ytop+hmenu,0), size=okaysize, color=inactivecolor)
go_up_arr = arrow(pos=(go_up.pos.x,go_up.pos.y-0.4*hmenu,0), axis=(0,0.9*hmenu,0),
fixedwidth=1, shaftwidth=0.3*hmenu, color=(0.9,0,0))
showdir = label(pos=(xmin+0.2*(xmax-scroll_edge),ytop+hmenu,0), text='',
color=dircolor, opacity=0, xoffset=1, box=0, line=0)
if writing:
# A bug in Visual 3 makes it necessary not to allow len(getname.text) < 1
getname = label(pos=(xmin+0.5*(xmax-scroll_edge),okay.y,0), border = 2,
text='|', box=0, xoffset=1, line=0, opacity=0)
z = 0.1
curve(pos=[(getname.x,getname.y-0.5*hmenu,z), (getname.x,getname.y+0.5*hmenu,z),
(okay.x-1.2*0.5*okay.length,getname.y+0.5*hmenu,z),
(okay.x-1.2*0.5*okay.length,getname.y-0.5*hmenu,z),
(getname.x,getname.y-0.5*hmenu,z)])
labels = []
for n in range(maxfiles):
labels.append(label(pos=(xmin+0.5*(xmax-scroll_edge),ytop-n*hmenu),
text='', opacity=0, box=0,
xoffset=1, line=0))
scrolltrack = box(pos=(0.5*(scroll_edge+xmax),0,0.02),
color=color.white, size=(xmax-scroll_edge,200,0.001), visible=0)
scrollside = curve(pos=[(scroll_edge,100,.03),(scroll_edge,-100,.03)],
color=(0.8,0.8,0.8), visible=0)
scroll = box(pos=(0.5*(scroll_edge+xmax),0,0.04), offset=vector(0,0,0),
color=inactivecolor, size=((xmax-scroll_edge+1),0,0.1), visible=0)
shade = box(pos=(0,0,0), color=(.95,.95,.95), size=(200,hmenu,0.01), visible=0)
select = box(pos=(0,0,0.01), color=selectcolor, size=(200,hmenu,0.01), visible=0)
clicktime = -1
while menus.visible:
shade.visible = 0
select.visible = 0
highlighted = None
selected = None
changedir = False
drag = False
topmenu = 0
showdir.text = os.path.split(os.getcwd())[-1]
allfiles = os.listdir(os.curdir)
files = []
for f in allfiles:
is_a_dir = os.path.isdir(f)
if is_a_dir or (file_extensions is None):
files.append([f,is_a_dir,False]) # file name, whether a directory, whether selected
else:
period = f.rfind('.')
if period:
if f[period:] in file_extensions:
files.append([f,is_a_dir,False])
Nfiles = len(files)
need_to_scroll = (Nfiles > maxfiles)
if need_to_scroll:
Nfiles = maxfiles
hscroll = (ytopscroll-ybottomscroll)*maxfiles/len(files)
if hscroll < hmenu:
hscroll = hmenu
dy = (ytopscroll-ybottomscroll-hscroll)/(len(files)-maxfiles)
scrolltrack.visible = 1
scrollside.visible = 1
scroll.y = ytopscroll-0.5*hscroll
scroll.height = hscroll
scroll.visible = 1
else:
scrolltrack.visible = 0
scrollside.visible = 0
scroll.visible = 0
for n in labels:
n.text = ''
for n, f in enumerate(files[:Nfiles]):
lcolor = filecolor
if f[1]: lcolor = dircolor
labels[n].text = f[0]
labels[n].color = lcolor
if writing:
getname.text = '|'
ending = '|'
blink = clock()
blinkon = True
while menus.visible:
rate(50)
# A bug in Visual 3 makes it necessary not to allow len(getname.text) < 1
if writing and clock()-blink > 0.5:
blink = clock()
blinkon = not blinkon
if blinkon:
ending = '|'
else:
ending = ' '
if getname.text == '':
getname.text = ending
elif getname.text == '|' or getname.text == ' ':
getname.text = ending
elif getname.text[-1] == '|' or getname.text[-1] == ' ':
getname.text = getname.text[:-1]+ending
else:
getname.text += ending
mpos = menus.mouse.pos
if writing and menus.kb.keys: # event waiting to be processed?
s = menus.kb.getkey() # get keyboard info; make sure string length never 0
if s == '\n':
shade.visible = 0
select.visible = 0
ret = finish_save(getname.text, file_extensions, mode, menus, labels, currentdisplay)
if ret:
return ret
if highlighted: shade.visible = 1
if selected: select.visible = 1
elif len(s) == 1 and s != '|':
if getname.text == '': # should never happen
getname.text = s+ending
elif getname.text[-1] == ending:
getname.text = getname.text[:-1]+s+ending
else:
getname.text = getname.text+s+ending # add new character
elif s == 'backspace' or s == 'delete':
if getname.text == '': # should never happen
getname.text = ending
elif getname.text[-1] == ending:
getname.text = getname.text[:-2]+ending # erase character
else:
if len(getname.text) <= 1: # should never happen
getname.text = ending
else:
getname.text = getname.text[:-1]+ending # erase character
elif s == 'shift+delete' or s == 'shift+backspace':
getname.text = ending # erase all text
if menus.mouse.events:
m = menus.mouse.getevent()
mpos = m.pos
nmenu = int((ytop+0.5*hmenu-mpos.y)/hmenu)
if mpos.y > ytop+0.5*hmenu: nmenu = -1
if drag and m.release == 'left':
drag = False
elif need_to_scroll and m.pick == scroll:
scroll.color = dircolor
scroll.offset = scroll.y-mpos.y
drag = True
elif m.click == 'left':
# Check for clicking go up or open or cancel
if m.pick == go_up or m.pick == go_up_arr:
os.chdir('../')
changedir = True
break
if m.pick == cancel:
return finish_get(None, mode, menus, currentdisplay)
elif m.pick == okay:
if writing and getname.text != '|':
shade.visible = 0
select.visible = 0
ret = finish_save(getname.text, file_extensions, mode, menus, labels, currentdisplay)
if ret:
return ret
if highlighted: shade.visible = 1
if selected: select.visible = 1
if selected is not None:
filename, is_a_dir, s = files[selected]
if is_a_dir:
os.chdir(filename)
changedir = True
break
elif not writing:
return finish_get(filename, mode, menus, currentdisplay)
# Handle doubleclick on a name
clicktime = clock()-clicktime
if topmenu+nmenu == selected and clicktime < 0.5:
filename, is_a_dir, s = files[selected]
if is_a_dir:
os.chdir(filename)
changedir = True
break
else:
if writing:
getname.text = filename+'|'
else:
return finish_get(filename, mode, menus, currentdisplay)
# Handle singleclick on a name
if (0 <= nmenu <= Nfiles-1):
select.y = ytop-nmenu*hmenu
select.visible = 1
if selected:
files[selected][2] = False
selected = topmenu+nmenu
files[selected][2] = True
if writing:
if files[selected][1]:
okaylabel.text = 'Open'
else:
okaylabel.text = 'Save'
clicktime = clock()
elif selected:
select.visible = 0
files[selected][2] = False
selected = 0
if writing:
okaylabel.text = 'Save'
if drag:
newy = mpos.y+scroll.offset
if newy+0.5*hscroll >= ytopscroll:
scroll.y = ytopscroll-0.5*hscroll
scroll.offset = scroll.y-mpos.y
elif newy-0.5*hscroll <= ybottomscroll:
scroll.y = ybottomscroll+0.5*hscroll
scroll.offset = scroll.y-mpos.y
else:
scroll.y = newy
newtopmenu = int((ytopscroll-0.5*hscroll-scroll.y)/dy)
if newtopmenu != topmenu:
topmenu = newtopmenu
select.visible = 0
for n, lab in enumerate(labels):
lab.text = files[n+topmenu][0]
if files[n+topmenu][2]:
select.y = ytop-n*hmenu
select.visible = 1
elif files[n+topmenu][1]:
lab.color = dircolor
else:
lab.color = filecolor
else:
if need_to_scroll:
if menus.mouse.pick == scroll:
scroll.color = activecolor
else:
scroll.color = inactivecolor
if menus.mouse.pick == go_up or menus.mouse.pick == go_up_arr:
go_up.color = activecolor
else:
go_up.color = inactivecolor
if menus.mouse.pick == cancel:
cancel.color = activecolor
else:
cancel.color = inactivecolor
if menus.mouse.pick == okay:
okay.color = activecolor
else:
okay.color = inactivecolor
if need_to_scroll and mpos.x >= scroll_edge:
shade.visible = 0
highlighted = None
else:
nmenu = int((ytop+0.5*hmenu-mpos.y)/hmenu)
if mpos.y > ytop+0.5*hmenu: nmenu = -1
if mpos.y < ytop+0.5*hmenu-hmenu*Nfiles: nmenu = -1
if (0 <= nmenu <= Nfiles):
shade.y = ytop-nmenu*hmenu
shade.visible = 1
highlighted = nmenu
else:
shade.visible = 0
highlighted = None
if changedir: continue
break
currentdisplay.select()
return None
def finish_get(filename, mode, menus, currentdisplay):
menus.visible = 0
del menus
currentdisplay.select()
if filename is None:
return None
return open(str(filename), mode)
def finish_save(filename, file_extensions, mode, menus, labels, currentdisplay):
if filename == '':
return None
if filename[-1] == '|' or filename[-1] == ' ':
filename = filename[:-1]
if filename == '':
return None
t = filename.split(".")
ext = ''
if len(t) > 0:
ext = '.'+t[-1]
elif t[0] == '':
return None
if file_extensions is not None:
if ext != file_extensions[0]:
filename += file_extensions[0]
try:
fd = open(str(filename), 'r') # see whether file already exists
except:
menus.visible = 0
del menus
currentdisplay.select()
return open(str(filename), mode)
fd.close()
for a in labels:
a.visible = 0
inactivecolor = (0.8,0.8,0.8)
activecolor = (0.6,0.6,0.6)
templabel = label(pos=(0,15,0.3), text="%s already exists" % filename, box=0, opacity=0)
overwrite = box(pos=(-30,-5,0.4), size=(50,15,.1), color=inactivecolor)
overlabel = label(pos=overwrite.pos, text="Overwrite", box=0, opacity=0)
cancel = box(pos=(30,-5,0.4), size=(50,15,.1), color=inactivecolor)
cancellabel = label(pos=cancel.pos, text="Cancel", box=0, opacity=0)
while menus.visible:
rate(50)
if menus.mouse.events:
m = menus.mouse.getevent()
if m.click == 'left':
if m.pick == overwrite:
menus.visible = 0
del menus
currentdisplay.select()
return open(str(filename), mode)
if m.pick == cancel:
templabel.visible = 0
overwrite.visible = 0
overlabel.visible = 0
cancel.visible = 0
cancellabel.visible = 0
del templabel
del overwrite
del overlabel
del cancel
del cancellabel
for a in labels:
a.visible = 1
return None
if menus.mouse.pick == overwrite:
overwrite.color = activecolor
else:
overwrite.color = inactivecolor
if menus.mouse.pick == cancel:
cancel.color = activecolor
else:
cancel.color = inactivecolor
return None
# Test routines
##fd = save_file('.txt')
##if fd is None:
## print 'Canceled'
##else:
## print fd.name
## fd.write("This is a test\nIt is only a test")
## fd.close()
##fd = get_file()
##if fd is None:
## print "Canceled"
##else:
## print fd.name
## data = fd.read()
## print data
|