/usr/share/pyshared/visual/filedialog.py is in python-visual 1:5.12-1.3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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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
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