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
# Tk man page browser -- currently only shows the Tcl/Tk man pages
import sys
import os
import string
import re
from Tkinter import *
from ManPage import ManPage
MANNDIRLIST = ['/depot/sundry/man/mann','/usr/local/man/mann']
MAN3DIRLIST = ['/depot/sundry/man/man3','/usr/local/man/man3']
foundmanndir = 0
for dir in MANNDIRLIST:
if os.path.exists(dir):
MANNDIR = dir
foundmanndir = 1
foundman3dir = 0
for dir in MAN3DIRLIST:
if os.path.exists(dir):
MAN3DIR = dir
foundman3dir = 1
if not foundmanndir or not foundman3dir:
sys.stderr.write('\n')
if not foundmanndir:
msg = """\
Failed to find mann directory.
Please add the correct entry to the MANNDIRLIST
at the top of %s script.""" % \
sys.argv[0]
sys.stderr.write("%s\n\n" % msg)
if not foundman3dir:
msg = """\
Failed to find man3 directory.
Please add the correct entry to the MAN3DIRLIST
at the top of %s script.""" % \
sys.argv[0]
sys.stderr.write("%s\n\n" % msg)
sys.exit(1)
del foundmanndir
del foundman3dir
def listmanpages(mandir):
files = os.listdir(mandir)
names = []
for file in files:
if file[-2:-1] == '.' and (file[-1] in 'ln123456789'):
names.append(file[:-2])
names.sort()
return names
class SelectionBox:
def __init__(self, master=None):
self.choices = []
self.frame = Frame(master, name="frame")
self.frame.pack(expand=1, fill=BOTH)
self.master = self.frame.master
self.subframe = Frame(self.frame, name="subframe")
self.subframe.pack(expand=0, fill=BOTH)
self.leftsubframe = Frame(self.subframe, name='leftsubframe')
self.leftsubframe.pack(side=LEFT, expand=1, fill=BOTH)
self.rightsubframe = Frame(self.subframe, name='rightsubframe')
self.rightsubframe.pack(side=RIGHT, expand=1, fill=BOTH)
self.chaptervar = StringVar(master)
self.chapter = Menubutton(self.rightsubframe, name='chapter',
text='Directory', relief=RAISED,
borderwidth=2)
self.chapter.pack(side=TOP)
self.chaptermenu = Menu(self.chapter, name='chaptermenu')
self.chaptermenu.add_radiobutton(label='C functions',
value=MAN3DIR,
variable=self.chaptervar,
command=self.newchapter)
self.chaptermenu.add_radiobutton(label='Tcl/Tk functions',
value=MANNDIR,
variable=self.chaptervar,
command=self.newchapter)
self.chapter['menu'] = self.chaptermenu
self.listbox = Listbox(self.rightsubframe, name='listbox',
relief=SUNKEN, borderwidth=2,
width=20, height=5)
self.listbox.pack(expand=1, fill=BOTH)
self.l1 = Button(self.leftsubframe, name='l1',
text='Display manual page named:',
command=self.entry_cb)
self.l1.pack(side=TOP)
self.entry = Entry(self.leftsubframe, name='entry',
relief=SUNKEN, borderwidth=2,
width=20)
self.entry.pack(expand=0, fill=X)
self.l2frame = Frame(self.leftsubframe, name='l2frame')
self.l2frame.pack(expand=0, fill=NONE)
self.l2 = Button(self.l2frame, name='l2',
text='Search regexp:',
command=self.search_cb)
self.l2.pack(side=LEFT)
self.casevar = BooleanVar()
self.casesense = Checkbutton(self.l2frame, name='casesense',
text='Case sensitive',
variable=self.casevar,
relief=FLAT)
self.casesense.pack(side=LEFT)
self.search = Entry(self.leftsubframe, name='search',
relief=SUNKEN, borderwidth=2,
width=20)
self.search.pack(expand=0, fill=X)
self.title = Label(self.leftsubframe, name='title',
text='(none)')
self.title.pack(side=BOTTOM)
self.text = ManPage(self.frame, name='text',
relief=SUNKEN, borderwidth=2,
wrap=NONE, width=72,
selectbackground='pink')
self.text.pack(expand=1, fill=BOTH)
self.entry.bind('<Return>', self.entry_cb)
self.search.bind('<Return>', self.search_cb)
self.listbox.bind('<Double-1>', self.listbox_cb)
self.entry.bind('<Tab>', self.entry_tab)
self.search.bind('<Tab>', self.search_tab)
self.text.bind('<Tab>', self.text_tab)
self.entry.focus_set()
self.chaptervar.set(MANNDIR)
self.newchapter()
def newchapter(self):
mandir = self.chaptervar.get()
self.choices = []
self.addlist(listmanpages(mandir))
def addchoice(self, choice):
if choice not in self.choices:
self.choices.append(choice)
self.choices.sort()
self.update()
def addlist(self, list):
self.choices[len(self.choices):] = list
self.choices.sort()
self.update()
def entry_cb(self, *e):
self.update()
def listbox_cb(self, e):
selection = self.listbox.curselection()
if selection and len(selection) == 1:
name = self.listbox.get(selection[0])
self.show_page(name)
def search_cb(self, *e):
self.search_string(self.search.get())
def entry_tab(self, e):
self.search.focus_set()
def search_tab(self, e):
self.entry.focus_set()
def text_tab(self, e):
self.entry.focus_set()
def updatelist(self):
key = self.entry.get()
ok = filter(lambda name, key=key, n=len(key): name[:n]==key,
self.choices)
if not ok:
self.frame.bell()
self.listbox.delete(0, AtEnd())
exactmatch = 0
for item in ok:
if item == key: exactmatch = 1
self.listbox.insert(AtEnd(), item)
if exactmatch:
return key
n = self.listbox.size()
if n == 1:
return self.listbox.get(0)
# Else return None, meaning not a unique selection
def update(self):
name = self.updatelist()
if name:
self.show_page(name)
self.entry.delete(0, AtEnd())
self.updatelist()
def show_page(self, name):
file = '%s/%s.?' % (self.chaptervar.get(), name)
fp = os.popen('nroff -man %s | ul -i' % file, 'r')
self.text.kill()
self.title['text'] = name
self.text.parsefile(fp)
def search_string(self, search):
if not search:
self.frame.bell()
print 'Empty search string'
return
if not self.casevar.get():
map = re.IGNORECASE
else:
map = None
try:
if map:
prog = re.compile(search, map)
else:
prog = re.compile(search)
except re.error, msg:
self.frame.bell()
print 'Regex error:', msg
return
here = self.text.index(AtInsert())
lineno = string.atoi(here[:string.find(here, '.')])
end = self.text.index(AtEnd())
endlineno = string.atoi(end[:string.find(end, '.')])
wraplineno = lineno
found = 0
while 1:
lineno = lineno + 1
if lineno > endlineno:
if wraplineno <= 0:
break
endlineno = wraplineno
lineno = 0
wraplineno = 0
line = self.text.get('%d.0 linestart' % lineno,
'%d.0 lineend' % lineno)
i = prog.search(line)
if i >= 0:
found = 1
n = max(1, len(prog.group(0)))
try:
self.text.tag_remove('sel',
AtSelFirst(),
AtSelLast())
except TclError:
pass
self.text.tag_add('sel',
'%d.%d' % (lineno, i),
'%d.%d' % (lineno, i+n))
self.text.mark_set(AtInsert(),
'%d.%d' % (lineno, i))
self.text.yview_pickplace(AtInsert())
break
if not found:
self.frame.bell()
def main():
root = Tk()
sb = SelectionBox(root)
if sys.argv[1:]:
sb.show_page(sys.argv[1])
root.minsize(1, 1)
root.mainloop()
main()