def viewer(imgdir, kind=Toplevel, cols=None):
"""
измененная версия, выполняет размещение с использованием кнопок
фиксированного размера
"""
win = kind()
win.title('Viewer: ' + imgdir)
thumbs = makeThumbs(imgdir)
if not cols:
cols = int(math.ceil(math.sqrt(
len(thumbs)))) # фиксированное или N x N
savephotos = []
while thumbs:
thumbsrow, thumbs = thumbs[:cols], thumbs[cols:]
row = Frame(win)
row.pack(fill=BOTH)
for (imgfile, imgobj) in thumbsrow:
size = max(imgobj.size) # ширина, высота
photo = PhotoImage(imgobj)
link = Button(row, image=photo)
handler = lambda savefile=imgfile: ViewOne(imgdir, savefile)
link.config(command=handler, width=size, height=size)
link.pack(side=LEFT, expand=YES)
savephotos.append(photo)
Button(win, text='Quit', command=win.quit, bg='beige').pack(fill=X)
return win, savephotos
def viewer(imgdir, kind=Toplevel, numcols=None, height=300, width=300):
"""
use fixed-size buttons, scrollable canvas;
sets scrollable (full) size, and places thumbs at absolute x,y
coordinates in canvas; caveat: assumes all thumbs are same size
"""
win = kind()
win.title('Simple viewer: ' + imgdir)
quit = Button(win, text='Quit', command=win.quit, bg='beige')
quit.pack(side=BOTTOM, fill=X)
canvas = Canvas(win, borderwidth=0)
vbar = Scrollbar(win)
hbar = Scrollbar(win, orient='horizontal')
vbar.pack(side=RIGHT, fill=Y) # pack canvas after bars
hbar.pack(side=BOTTOM, fill=X) # so clipped first
canvas.pack(side=TOP, fill=BOTH, expand=YES)
vbar.config(command=canvas.yview) # call on scroll move
hbar.config(command=canvas.xview)
canvas.config(yscrollcommand=vbar.set) # call on canvas move
canvas.config(xscrollcommand=hbar.set)
canvas.config(height=height, width=width) # init viewable area size
# changes if user resizes
thumbs = makeThumbs(imgdir) # [(imgfile, imgobj)]
numthumbs = len(thumbs)
if not numcols:
numcols = int(math.ceil(math.sqrt(numthumbs))) # fixed or N x N
numrows = int(math.ceil(numthumbs / numcols)) # 3.x true div
linksize = max(thumbs[0][1].size) # (width, height)
fullsize = (
0,
0, # upper left X,Y
(linksize * numcols),
(linksize * numrows)) # lower right X,Y
canvas.config(scrollregion=fullsize) # scrollable area size
rowpos = 0
savephotos = []
while thumbs:
thumbsrow, thumbs = thumbs[:numcols], thumbs[numcols:]
colpos = 0
for (imgfile, imgobj) in thumbsrow:
photo = PhotoImage(imgobj)
link = Button(canvas, image=photo)
handler = lambda savefile=imgfile: ViewOne(imgdir, savefile)
link.config(command=handler, width=linksize, height=linksize)
link.pack(side=LEFT, expand=YES)
canvas.create_window(colpos,
rowpos,
anchor=NW,
window=link,
width=linksize,
height=linksize)
colpos += linksize
savephotos.append(photo)
rowpos += linksize
return win, savephotos
def viewer(imgdir, kind=Toplevel, cols=None):
"""
custom version that uses gridding
"""
win = kind()
win.title('Viewer: ' + imgdir)
thumbs = makeThumbs(imgdir)
if not cols:
cols = int(math.ceil(math.sqrt(len(thumbs)))) # fixed or N x N
rownum = 0
savephotos = []
while thumbs:
thumbsrow, thumbs = thumbs[:cols], thumbs[cols:]
colnum = 0
for (imgfile, imgobj) in thumbsrow:
photo = PhotoImage(imgobj)
link = Button(win, image=photo)
handler = lambda savefile=imgfile: ViewOne(imgdir, savefile)
link.config(command=handler)
link.grid(row=rownum, column=colnum)
savephotos.append(photo)
colnum += 1
rownum += 1
Button(win, text='Quit', command=win.quit).grid(columnspan=cols, stick=EW)
return win, savephotos
def viewer(imgdir, kind=Toplevel, cols=None):
"""
измененная версия, размещает миниатюры по сетке
"""
win = kind()
win.title('Viewer: ' + imgdir)
thumbs = makeThumbs(imgdir)
if not cols:
cols = int(math.ceil(math.sqrt(
len(thumbs)))) # фиксированное или N x N
rownum = 0
savephotos = []
while thumbs:
thumbsrow, thumbs = thumbs[:cols], thumbs[cols:]
colnum = 0
for (imgfile, imgobj) in thumbsrow:
photo = PhotoImage(imgobj)
link = Button(win, image=photo)
handler = lambda savefile=imgfile: ViewOne(imgdir, savefile)
link.config(command=handler)
link.grid(row=rownum, column=colnum)
savephotos.append(photo)
colnum += 1
rownum += 1
Button(win, text='Quit', command=win.quit).grid(columnspan=cols, stick=EW)
return win, savephotos
def viewer(imgdir, kind=Toplevel, cols=None):
"""
custom version that uses gridding
"""
win = kind()
win.title('Viewer: ' + imgdir)
thumbs = makeThumbs(imgdir)
if not cols:
cols = int(math.ceil(math.sqrt(len(thumbs)))) # fixed or N x N
rownum = 0
savephotos = []
while thumbs:
thumbsrow, thumbs = thumbs[:cols], thumbs[cols:]
colnum = 0
for (imgfile, imgobj) in thumbsrow:
photo = PhotoImage(imgobj)
link = Button(win, image=photo)
handler = lambda savefile=imgfile: ViewOne(imgdir, savefile)
link.config(command=handler)
link.grid(row=rownum, column=colnum)
savephotos.append(photo)
colnum += 1
rownum += 1
Button(win, text='Quit', command=win.quit).grid(columnspan=cols, stick=EW)
return win, savephotos
def viewer(imgdir, kind=Toplevel, cols=None):
"""
custom version that lays out with fixed-size buttons
"""
win = kind()
win.title('Viewer: ' + imgdir)
thumbs = makeThumbs(imgdir)
if not cols:
cols = int(math.ceil(math.sqrt(len(thumbs)))) # fixed or N x N
savephotos = []
while thumbs:
thumbsrow, thumbs = thumbs[:cols], thumbs[cols:]
row = Frame(win)
row.pack(fill=BOTH)
for (imgfile, imgobj) in thumbsrow:
size = max(imgobj.size) # width, height
photo = PhotoImage(imgobj)
link = Button(row, image=photo)
handler = lambda savefile=imgfile: ViewOne(imgdir, savefile)
link.config(command=handler, width=size, height=size)
link.pack(side=LEFT, expand=YES)
savephotos.append(photo)
Button(win, text='Quit', command=win.quit, bg='beige').pack(fill=X)
return win, savephotos
def viewer(imgdir, kind=Toplevel, cols=None):
"""
custom version that lays out with fixed-size buttons
"""
win = kind()
win.title('Viewer: ' + imgdir)
thumbs = makeThumbs(imgdir)
if not cols:
cols = int(math.ceil(math.sqrt(len(thumbs)))) # fixed or N x N
savephotos = []
while thumbs:
thumbsrow, thumbs = thumbs[:cols], thumbs[cols:]
row = Frame(win)
row.pack(fill=BOTH)
for (imgfile, imgobj) in thumbsrow:
size = max(imgobj.size) # width, height
photo = PhotoImage(imgobj)
link = Button(row, image=photo)
handler = lambda savefile=imgfile: ViewOne(imgdir, savefile)
link.config(command=handler, width=size, height=size)
link.pack(side=LEFT, expand=YES)
savephotos.append(photo)
Button(win, text='Quit', command=win.quit, bg='beige').pack(fill=X)
return win, savephotos
def viewer(imgdir, kind=Toplevel, numcols=None, height=300, width=300):
"""
использует кнопки фиксированного размера и холст с возможностью прокрутки;
определяет размер области прокрутки (всего холста) и располагает
миниатюры по абсолютным координатам x,y холста; предупреждение:
предполагается, что все миниатюры имеют одинаковые размеры
:param imgdir:
:param kind:
:param numcols:
:param height:
:param width:
:return:
"""
win = kind()
win.title('Simple viewer: ' + imgdir)
quit = Button(win, text='Quit', command=win.quit, bg='beige')
quit.pack(side=BOTTOM, fill=X)
canvas = Canvas(win, borderwidth=0)
vbar = Scrollbar(win)
hbar = Scrollbar(win, orient='horizontal')
vbar.pack(side=RIGHT, fill=Y)
hbar.pack(side=BOTTOM, fill=X)
canvas.pack(side=TOP, expand=YES, fill=BOTH)
vbar.config(command=canvas.yview)
hbar.config(command=canvas.xview)
canvas.config(yscrollcommand=vbar.set)
canvas.config(xscrollcommand=hbar.set)
canvas.config(height=height, width=width)
thumbs = makeThumbs(imgdir)
numthumbs = len(thumbs)
if not numcols:
numcols = int(math.ceil(math.sqrt(numthumbs)))
numrows = int(math.ceil(numthumbs / numcols))
linksize = max(thumbs[0][1].size)
fullsize = (0, 0, # координаты верхнего левого угла
(linksize * numcols), (linksize * numrows)) # координаты нижнего правого угла
canvas.config(scrollregion=fullsize)
rowpos = 0
savephotos = []
while thumbs:
thumbsrow, thumbs = thumbs[:numcols], thumbs[numcols:]
colpos = 0
for (imgfile, imgobj) in thumbsrow:
photo = PhotoImage(imgobj)
link = Button(canvas, image=photo)
handler = lambda savefile=imgfile: ViewOne(imgdir, savefile)
link.config(command=handler, width=linksize, height=linksize)
link.pack(side=LEFT, expand=YES)
canvas.create_window(colpos, rowpos, anchor=NW, window=link, width=linksize, height=linksize)
colpos += linksize
savephotos.append(photo)
rowpos += linksize
return win, savephotos
def viewThumbs(imgdir, kind=Toplevel, numcols=None, height=400, width=500):
"""
make main or popup thumbnail buttons window;
uses fixed-size buttons, scrollable canvas;
sets scrollable (full) size, and places
thumbs at abs x,y coordinates in canvas;
no longer assumes all thumbs are same size:
gets max of all (x,y), some may be smaller;
"""
win = kind()
helptxt = '(press D to open other)'
win.title(appname + imgdir + ' ' + helptxt)
quit = Button(win, text='Quit', command=win.quit, bg='beige')
quit.pack(side=BOTTOM, fill=X)
canvas = ScrolledCanvas(win)
canvas.config(height=height, width=width) # init viewable window size
# changes if user resizes
thumbs = makeThumbs(imgdir) # [(imgfile, imgobj)]
numthumbs = len(thumbs)
if not numcols:
numcols = int(math.ceil(math.sqrt(numthumbs))) # fixed or N x N
numrows = int(math.ceil(numthumbs / float(numcols)))
# thumb=(name, obj), thumb.size=(width, height)
linksize = max([max(thumb[1].size) for thumb in thumbs])
print linksize
fullsize = (
0,
0, # upper left X,Y
(linksize * numcols),
(linksize * numrows)) # lower right X,Y
canvas.config(scrollregion=fullsize) # scrollable area size
rowpos = 0
savephotos = []
while thumbs:
thumbsrow, thumbs = thumbs[:numcols], thumbs[numcols:]
colpos = 0
for (imgfile, imgobj) in thumbsrow:
photo = PhotoImage(imgobj)
link = Button(canvas, image=photo)
handler = (lambda savefile=imgfile: ViewOne(imgdir, savefile))
link.config(command=handler, width=linksize, height=linksize)
link.pack(side=LEFT, expand=YES)
canvas.create_window(colpos,
rowpos,
anchor=NW,
window=link,
width=linksize,
height=linksize)
colpos += linksize
savephotos.append(photo)
rowpos += linksize
win.bind('<KeyPress-d>', onDirectoryOpen)
win.savephotos = savephotos
return win
def viewer(imgdir, kind=Toplevel, numcols=None, height=300, width=300):
"""
use fixed-size buttins, scrollable canvas;
sets scrollable (full) size, and places
thumbs at abs x,y coordinates in canvas;
caveat: assumes all thumbs are same size
"""
win = kind()
win.title('Simple viewer: ' + imgdir)
quit = Button(win, text='Quit', command=win.quit, bg='beige')
quit.pack(side=BOTTOM, fill=X)
canvas = Canvas(win, borderwidth=0)
vbar = Scrollbar(win)
hbar = SCrollbar(win, orient='horizontal')
vbar.pack(side=RIGHT, fill=Y) # pack canvas after bars
hbar.pack(side=BOTTOM, fill=X) # so cliiped last
canvas.pack(side=TOP, fill=BOTH, expand=YES)
vbar.config(command=canvas.yview) # call on scroll move
hbar.config(command=canvas.xview)
canvas.config(yscrollcommand=vbar.set) # call on canvas move
canvas.config(xscrollcommand=hbar.set)
canvas.config(height=height, width=width) # init viewable area size
# changes if user resizes
thumbs = makeThumbs(imgdir) # [(imgfile, imgobj])
numthumbs = len(thumbs)
if not numcols:
numcols = int(math.ceil(math.sqrt(numthumbs))) # fixed or N x N
numrows = int(math.ceil(numthumbs / float(numcols)))
linksize = max(thumbs[0][1].size) # (width, height)
fullsize = (0, 0, # upper left x,y
(linksize * numcols), (linksize * numrows)) # lower right x,y
canvas.config(scrollregion=fullsize)
rowpos = 0
savephotos = []
while thumbs:
thumbsrow, thumbs = thumbs[:numcols], thumbs[numcols:]
colpos = 0
for (imgfile, imgobj) in thumbsrow:
photo = PhotoImage(imgobj)
link = Button(canvas, image=photo)
handler = lambda savefile=imgfile: ViewOne(imgdir, savefile)
link.config(command=handler, width=linksize, height=linksize)
link.pack(side=LEFT, expand=YES)
canvas.create_window(colpos, rowpos, anchor=NW,
window=link, width=linksize, height=linksize)
colpos += linksize
savephotos.append(photo)
rowpos += linksize
return win, savephotos
def viewThumbs(imgdir, kind=Toplevel, numcols=None, height=400, width=500):
"""
构造一个缩略图窗口，当kind=Tk时是主窗体，默认则是一个非模态窗口
使用固定大小的button在canvas上布局
make main or pop-up thumbnail buttons window;
uses fixed-size buttons, scrollable canvas;
sets scrollable (full) size, and places
thumbs at abs x,y coordinates in canvas;
no longer assumes all thumbs are same size:
gets max of all (x,y), some may be smaller;
"""
win = kind()
helptxt = '(press D to open other)'
win.title(appname + imgdir + ' ' + helptxt)
quit = Button(win, text='Quit', command=win.quit, bg='beige')
quit.pack(side=BOTTOM, fill=X)
canvas = ScrolledCanvas(win) #构造并布局一个可滚动的画布
canvas.config(height=height, width=width) # init viewable window size
# changes if user resizes
thumbs = makeThumbs(imgdir) # [(imgfile, imgobj)] #制造缩略图
numthumbs = len(thumbs)
if not numcols: #不指定显示列数的话
numcols = int(math.ceil(math.sqrt(numthumbs))) # fixed or N x N #将窗口显示弄为N x N，得到列数
numrows = int(math.ceil(numthumbs / numcols)) # 3.x true div #根据指定的列数确定行数
# max w|h: thumb=(name, obj), thumb.size=(width, height) #这里thumbs列表里的项是thumb=(name, obj)
linksize = max(max(thumb[1].size) for thumb in thumbs) #所以取thumb[1]得到图片，再获取所有图片中
trace(linksize) #最大的长或宽，以此来确定所有按钮的大小
fullsize = (0, 0, # upper left X,Y
(linksize * numcols), (linksize * numrows) ) # lower right X,Y #得到画布的总大小
canvas.config(scrollregion=fullsize) # scrollable area size
rowpos = 0
savephotos = []
while thumbs:
thumbsrow, thumbs = thumbs[:numcols], thumbs[numcols:] #获取每一行的缩略图和剩下的缩略图
colpos = 0
for (imgfile, imgobj) in thumbsrow: #一行一行地放按钮
photo = PhotoImage(imgobj)
link = Button(canvas, image=photo)
def handler(savefile=imgfile): #按钮的回调，lambda也可以（需要用默认参数
ViewOne(imgdir, savefile) #保证回调传入的参数正确）
link.config(command=handler, width=linksize, height=linksize)
#link.pack(side=LEFT, expand=YES) #这个不用也行吧= =
canvas.create_window(colpos, rowpos, anchor=NW, #画布上生成一个窗口区域来包含控件
window=link, width=linksize, height=linksize)
colpos += linksize
savephotos.append(photo)
rowpos += linksize
win.bind('<KeyPress-d>', onDirectoryOpen) #绑定按键d打开文件夹事件
win.savephotos = savephotos #保持对象引用
return win
def viewer(imgdir, kind=Toplevel, numcols=None, height=300, width=300):
win = kind()
win.title('Simple viewer: ' + imgdir)
quit = Button(win, text='Quit', command=win.quit, bg='beige')
quit.pack(side=BOTTOM, fill=X)
canvas = Canvas(win, borderwidth=0)
vbar = Scrollbar(win)
hbar = Scrollbar(win, orient='horizontal')
vbar.pack(side=RIGHT, fill=Y)
hbar.pack(side=BOTTOM, fill=X)
canvas.pack(side=TOP, fill=BOTH, expand=YES)
vbar.config(command=canvas.yview)
hbar.config(command=canvas.xview)
canvas.config(yscrollcommand=vbar.set)
canvas.config(xscrollcommand=hbar.set)
canvas.config(height=height, width=width)
thumbs = makeThumbs(imgdir)
numthumbs = len(thumbs)
if not numcols:
numcols = int(math.ceil(math.sqrt(numthumbs)))
numrows = int(math.ceil(numthumbs / numcols))
linksize = max(thumbs[0][1].size)
fullsize = (0, 0, (linksize * numcols), (linksize * numrows))
canvas.config(scrollregion=fullsize)
rowpos = 0
savephotos = []
while thumbs:
thumbsrow, thumbs = thumbs[:numcols], thumbs[numcols:]
colpos = 0
for (imgfile, imgobj) in thumbsrow:
photo = PhotoImage(imgobj)
link = Button(canvas, image=photo)
handler = lambda savefile=imgfile: ViewOne(imgdir, savefile)
link.config(command=handler, width=linksize, height=linksize)
link.pack(side=LEFT, expand=YES)
canvas.create_window(colpos,
rowpos,
anchor=NW,
window=link,
width=linksize,
height=linksize)
colpos += linksize
savephotos.append(photo)
rowpos += linksize
return win, savephotos
def viewThumbs(imgdir, kind=Toplevel, numcols=None, height=400, width=500):
"""
make main or pop-up thumbnail buttons window;
uses fixed-size buttons, scrollable canvas;
sets scrollable (full) size, and places
thumbs at abs x,y coordinates in canvas;
no longer assumes all thumbs are same size:
gets max of all (x,y), some may be smaller;
"""
win = kind()
helptxt = '(press D to open other)'
win.title(appname + imgdir + ' ' + helptxt)
quit = Button(win, text='Quit', command=win.quit, bg='beige')
quit.pack(side=BOTTOM, fill=X)
canvas = ScrolledCanvas(win)
canvas.config(height=height, width=width) # init viewable window size
# changes if user resizes
thumbs = makeThumbs(imgdir) # [(imgfile, imgobj)]
numthumbs = len(thumbs)
if not numcols:
numcols = int(math.ceil(math.sqrt(numthumbs))) # fixed or N x N
numrows = int(math.ceil(numthumbs / numcols)) # 3.x true div
# max w|h: thumb=(name, obj), thumb.size=(width, height)
linksize = max(max(thumb[1].size) for thumb in thumbs)
trace(linksize)
fullsize = (0, 0, # upper left X,Y
(linksize * numcols), (linksize * numrows) ) # lower right X,Y
canvas.config(scrollregion=fullsize) # scrollable area size
rowpos = 0
savephotos = []
while thumbs:
thumbsrow, thumbs = thumbs[:numcols], thumbs[numcols:]
colpos = 0
for (imgfile, imgobj) in thumbsrow:
photo = PhotoImage(imgobj)
link = Button(canvas, image=photo)
def handler(savefile=imgfile):
ViewOne(imgdir, savefile)
link.config(command=handler, width=linksize, height=linksize)
link.pack(side=LEFT, expand=YES)
canvas.create_window(colpos, rowpos, anchor=NW,
window=link, width=linksize, height=linksize)
colpos += linksize
savephotos.append(photo)
rowpos += linksize
win.bind('<KeyPress-d>', onDirectoryOpen)
win.savephotos = savephotos
return win
def viewer(imgdir, kind=Toplevel, numcols=None, height=300, width=300):
win = kind()
win.title('Simple viewer:' + imgdir)
quit = Button(win, text='Quit', command=win.quit, bg='beige')
quit.pack(side=BOTTOM, fill=X)
canvas = Canvas(win, borderwidth=0)
vbar = Scrollbar(win)
hbar = Scrollbar(win, orient='horizontal')
vbar.pack(side=RIGHT, fill=Y)
hbar.pack(side=BOTTOM, fill=X)
canvas.pack(side=TOP, fill=BOTH, expand=YES)
vbar.config(command=canvas.yview)
hbar.config(command=canvas.xview)
canvas.config(yscrollcommand=vbar.set, xscrollcommand=hbar.set)
canvas.config(height=height, width=width)
thumbs = makeThumbs(imgdir)
numthumbs = len(thumbs)
if not numcols:
numcols = int(math.ceil(math.sqrt(numthumbs)))
numrows = int(math.ceil(numthumbs/numcols))
linksize = max(thumbs[0][1].size)
fullsize = (0, 0,
(linksize * numcols), (linksize * numrows))
canvas.config(scrollregion=fullsize)
rowpos = 0
savephotos = []
while thumbs:
thumbsrow, thumbs = thumbs[:numcols], thumbs[numcols:]
colpos = 0
for (imgfile, imgobj) in thumbsrow:
photo = PhotoImage(imgobj)
link = Button(canvas, image=photo)
handler = lambda savefile=imgfile: ViewOne(imgdir, savefile)
link.config(command=handler, width=linksize, height=linksize)
link.pack()
canvas.create_window(colpos, rowpos, anchor=NW,
window=link, width=linksize, height=linksize)
colpos += linksize
savephotos.append(photo)
rowpos += linksize
return win, savephotos
def viewer(imgdir, kind=Toplevel, cols=None):
win = kind()
win.title('Viewer: ' + imgdir)
thumbs = makeThumbs(imgdir)
if not cols:
cols = math.ceil(math.sqrt(len(thumbs)))
savephotos = []
while thumbs:
thumbsrow, thumbs = thumbs[:cols], thumbs[cols:]
row = Frame(win)
row.pack(fill=BOTH)
for (imgfile, imgobj) in thumbsrow:
size = max(imgobj.size)
photo = PhotoImage(imgobj)
handler = lambda savefile=imgfile: ViewOne(imgdir,savefile)
link = Button(row, image=photo)
link.config(command=handler, width=size, height=size)
link.pack(side=LEFT, expand=YES)
savephotos.append(photo)
Button(win, text='Quit', command=win.quit()).pack(side=TOP, fill=X)
return win, savephotos
def viewer(imgdir, kind=Toplevel, cols=None):
win = kind()
win.title("Viewer: " + imgdir)
thumbs = makeThumbs(imgdir)
if not cols:
cols = math.ceil(math.sqrt(len(thumbs)))
savephotos = []
while thumbs:
thumbsrow, thumbs = thumbs[:cols], thumbs[cols:]
row = Frame(win)
row.pack(fill=BOTH)
for (imgfile, imgobj) in thumbsrow:
size = max(imgobj.size)
photo = PhotoImage(imgobj)
handler = lambda savefile=imgfile: ViewOne(imgdir, savefile)
link = Button(row, image=photo)
link.config(command=handler, width=size, height=size)
link.pack(side=LEFT, expand=YES)
savephotos.append(photo)
Button(win, text="Quit", command=win.quit()).pack(side=TOP, fill=X)
return win, savephotos
def viewThumbs(imgdir, kind=Toplevel, numcols=None, height=400, width=500):
win = kind()
helptxt = '(press D to open other)'
win.title(appname + imgdir + ' ' + helptxt)
quit = Button(win, text='Quit', command=win.quit, bg='beige')
quit.pack(side=BOTTOM, fill=X)
canvas = ScrolledCanvas(win)
canvas.config(height=height, width=width)
thumbs = makeThumbs(imgdir)
numthumbs = len(thumbs)
if not numcols:
numcols = int(math.ceil(math.sqrt(numthumbs)))
numrows = int(math.ceil(numthumbs / numcols))
linksize = max(max(thumb[1].size) for thumb in thumbs)
trace(linksize)
fullsize = (0, 0, linksize * numcols, linksize * numrows)
canvas.config(scrollregion=fullsize)
rowpos = 0
savephotos = []
while thumbs:
thumbsrow, thumbs = thumbs[:numcols], thumbs[numcols:]
colpos = 0
for (imgfile, imgobj) in thumbsrow:
photo = PhotoImage(imgobj)
link = Button(canvas, image=photo)
def handler(savefile=imgfile):
ViewOne(imgdir, savefile)
link.config(command=handler, width=linksize, height=linksize)
link.pack(side=LEFT, expand=YES)
canvas.create_window(colpos, rowpos, anchor=NW,
window=link, width=linksize, height=linksize)
colpos += linksize
savephotos.append(photo)
rowpos += linksize
win.bind('<KeyPress-d>', onDirectoryOpen)
win.savephotos = savephotos
return win
