Modify framebuffer and NGA framebuffer to read screen size from board model dtb file. Optimise memory usuage of frame buffer
Add example minigui application with hooks to profiler (which writes results to S:\). Modified NGA framebuffer to run its own dfc queue at high priority
#! /usr/bin/env python
# A Python function that generates dialog boxes with a text message,
# optional bitmap, and any number of buttons.
# Cf. Ousterhout, Tcl and the Tk Toolkit, Figs. 27.2-3, pp. 269-270.
from Tkinter import *
mainWidget = None
def dialog(master, title, text, bitmap, default, *args):
# 1. Create the top-level window and divide it into top
# and bottom parts.
w = Toplevel(master, {'class': 'Dialog'})
w.title(title)
w.iconname('Dialog')
top = Frame(w, {'relief': 'raised', 'bd': 1,
Pack: {'side': 'top', 'fill': 'both'}})
bot = Frame(w, {'relief': 'raised', 'bd': 1,
Pack: {'side': 'bottom', 'fill': 'both'}})
# 2. Fill the top part with the bitmap and message.
msg = Message(top,
{'width': '3i',
'text': text,
'font': '-Adobe-Times-Medium-R-Normal-*-180-*',
Pack: {'side': 'right', 'expand': 1,
'fill': 'both',
'padx': '3m', 'pady': '3m'}})
if bitmap:
bm = Label(top, {'bitmap': bitmap,
Pack: {'side': 'left',
'padx': '3m', 'pady': '3m'}})
# 3. Create a row of buttons at the bottom of the dialog.
buttons = []
i = 0
for but in args:
b = Button(bot, {'text': but,
'command': ('set', 'button', i)})
buttons.append(b)
if i == default:
bd = Frame(bot, {'relief': 'sunken', 'bd': 1,
Pack: {'side': 'left', 'expand': 1,
'padx': '3m', 'pady': '2m'}})
b.lift()
b.pack ({'in': bd, 'side': 'left',
'padx': '2m', 'pady': '2m',
'ipadx': '2m', 'ipady': '1m'})
else:
b.pack ({'side': 'left', 'expand': 1,
'padx': '3m', 'pady': '3m',
'ipady': '2m', 'ipady': '1m'})
i = i+1
# 4. Set up a binding for <Return>, if there's a default,
# set a grab, and claim the focus too.
if default >= 0:
w.bind('<Return>',
lambda e, b=buttons[default], i=default:
(b.flash(),
b.setvar('button', i)))
oldFocus = w.tk.call('focus') # XXX
w.grab_set()
w.focus()
# 5. Wait for the user to respond, then restore the focus
# and return the index of the selected button.
w.waitvar('button')
w.destroy()
w.tk.call('focus', oldFocus) # XXX
return w.getint(w.getvar('button'))
def strdialog(master, title, text, bitmap, default, *args):
# 1. Create the top-level window and divide it into top
# and bottom parts.
w = Toplevel(master, {'class': 'Dialog'})
w.title(title)
w.iconname('Dialog')
top = Frame(w, {'relief': 'raised', 'bd': 1,
Pack: {'side': 'top', 'fill': 'both'}})
if args:
bot = Frame(w, {'relief': 'raised', 'bd': 1,
Pack: {'side': 'bottom', 'fill': 'both'}})
# 2. Fill the top part with the bitmap, message and input field.
if bitmap:
bm = Label(top, {'bitmap': bitmap,
Pack: {'side': 'left',
'padx': '3m', 'pady': '3m'}})
msg = Message(top,
{'width': '3i',
'text': text,
'font': '-Adobe-Times-Medium-R-Normal-*-180-*',
Pack: {'side': 'left',
'fill': 'both',
'padx': '3m', 'pady': '3m'}})
field = Entry(top,
{'relief':'sunken',
Pack:{'side':'left',
'fill':'x',
'expand':1,
'padx':'3m', 'pady':'3m'}})
# 3. Create a row of buttons at the bottom of the dialog.
buttons = []
i = 0
for but in args:
b = Button(bot, {'text': but,
'command': ('set', 'button', i)})
buttons.append(b)
if i == default:
bd = Frame(bot, {'relief': 'sunken', 'bd': 1,
Pack: {'side': 'left', 'expand': 1,
'padx': '3m', 'pady': '2m'}})
b.lift()
b.pack ({'in': bd, 'side': 'left',
'padx': '2m', 'pady': '2m',
'ipadx': '2m', 'ipady': '1m'})
else:
b.pack ({'side': 'left', 'expand': 1,
'padx': '3m', 'pady': '3m',
'ipady': '2m', 'ipady': '1m'})
i = i+1
# 4. Set up a binding for <Return>, if there's a default,
# set a grab, and claim the focus too.
if not args:
w.bind('<Return>', lambda arg, top=top: top.setvar('button', 0))
field.bind('<Return>', lambda arg, top=top: top.setvar('button', 0))
elif default >= 0:
w.bind('<Return>',
lambda e, b=buttons[default], i=default:
(b.flash(),
b.setvar('button', i)))
field.bind('<Return>',
lambda e, b=buttons[default], i=default:
(b.flash(),
b.setvar('button', i)))
oldFocus = w.tk.call('focus') # XXX
w.grab_set()
field.focus()
# 5. Wait for the user to respond, then restore the focus
# and return the index of the selected button.
w.waitvar('button')
v = field.get()
w.destroy()
w.tk.call('focus', oldFocus) # XXX
if args:
return v, w.getint(w.getvar('button'))
else:
return v
def message(str):
i = dialog(mainWidget, 'Message', str, '', 0, 'OK')
def askyn(str):
i = dialog(mainWidget, 'Question', str, '', 0, 'No', 'Yes')
return i
def askync(str):
i = dialog(mainWidget, 'Question', str, '', 0, 'Cancel', 'No', 'Yes')
return i-1
def askstr(str):
i = strdialog(mainWidget, 'Question', str, '', 0)
return i
def askfile(str): # XXXX For now...
i = strdialog(mainWidget, 'Question', str, '', 0)
return i
# The rest is the test program.
def _go():
i = dialog(mainWidget,
'Not Responding',
"The file server isn't responding right now; "
"I'll keep trying.",
'',
-1,
'OK')
print 'pressed button', i
i = dialog(mainWidget,
'File Modified',
'File "tcl.h" has been modified since '
'the last time it was saved. '
'Do you want to save it before exiting the application?',
'warning',
0,
'Save File',
'Discard Changes',
'Return To Editor')
print 'pressed button', i
print message('Test of message')
print askyn('Test of yes/no')
print askync('Test of yes/no/cancel')
print askstr('Type a string:')
print strdialog(mainWidget, 'Question', 'Another string:', '',
0, 'Save', 'Save as text')
def _test():
global mainWidget
mainWidget = Frame()
Pack.config(mainWidget)
start = Button(mainWidget,
{'text': 'Press Here To Start', 'command': _go})
start.pack()
endit = Button(mainWidget,
{'text': 'Exit',
'command': 'exit',
Pack: {'fill' : 'both'}})
mainWidget.mainloop()
if __name__ == '__main__':
_test()