class SplashScreen:
root = None
win = None
img = 'images/splash-screen'
flag = 0
def __init__(self, root):
self.root = root
self.width = 500
self.height = 300
self.flag = config.preferences.show_splash
def show(self):
self.root.withdraw()
if self.flag:
img_file = os.path.join(app.config.sk_share_dir, self.img + '.png')
from sk1sdk.tkpng import load_icon
load_icon(self.root, img_file, self.img)
scrnWt = self.root.winfo_screenwidth()
scrnHt = self.root.winfo_screenheight()
winXPos = (scrnWt / 2) - (self.width / 2)
winYPos = (scrnHt / 2) - (self.height / 2)
self.win = Toplevel()
self.win.overrideredirect(1)
self.win.configure(background='black')
self.banner = Label(self.win,
image=self.img,
cursor='watch',
borderwidth=0)
self.banner.pack()
self.verlb = Label(self.win,
text='version %s' % (config.version, ),
bg='white')
self.verlb.place(x=10, y=240)
self.verlb['font'] += ' bold'
self.txtlb = Label(self.win, text='Start...', bg='white')
self.txtlb.place(x=10, y=265)
self.progress_bar = SS_ProgressBar(self.win)
self.progress_bar.pack(fill=X, side=TOP)
geom = (self.width, self.height, winXPos, winYPos)
self.win.geometry('%dx%d+%d+%d' % geom)
self.win.update()
def hide(self):
if self.flag and self.win:
self.win.withdraw()
self.win.destroy()
def set_val(self, val, txt=''):
self.progress_bar.set_val(val)
if txt: self.txtlb['text'] = txt
self.win.update()
class SplashScreen:
root = None
win = None
img = 'images/splash-screen'
flag = 0
def __init__(self, root):
self.root = root
self.width = 500
self.height = 300
self.flag = config.preferences.show_splash
def show(self):
self.root.withdraw()
if self.flag:
img_file = os.path.join(app.config.sk_share_dir, self.img + '.png')
from sk1sdk.tkpng import load_icon
load_icon(self.root, img_file, self.img)
scrnWt = self.root.winfo_screenwidth()
scrnHt = self.root.winfo_screenheight()
winXPos = (scrnWt / 2) - (self.width / 2)
winYPos = (scrnHt / 2) - (self.height / 2)
self.win = Toplevel()
self.win.overrideredirect(1)
self.win.configure(background='black')
self.banner = Label(self.win, image=self.img, cursor='watch',
borderwidth=0)
self.banner.pack()
self.verlb = Label(self.win, text='version %s' % (config.version,),
bg='white')
self.verlb.place(x=10, y=240)
self.verlb['font'] += ' bold'
self.txtlb = Label(self.win, text='Start...',
bg='white')
self.txtlb.place(x=10, y=265)
self.progress_bar = SS_ProgressBar(self.win)
self.progress_bar.pack(fill=X, side=TOP)
geom = (self.width, self.height, winXPos, winYPos)
self.win.geometry('%dx%d+%d+%d' % geom)
self.win.update()
def hide(self):
if self.flag and self.win:
self.win.withdraw()
self.win.destroy()
def set_val(self, val, txt=''):
self.progress_bar.set_val(val)
if txt: self.txtlb['text'] = txt
self.win.update()
class PypeTkPad(object):
def __init__(self, master, queue, pypeOutput):
self.queue = queue
self.pypeOutput = pypeOutput
self.master = master
self.master.title('PypePad')
self.master.geometry("%dx%d%+d%+d" % (700, 500, 0, 0))
self.master.minsize(300, 100)
self.output_file_name = None
self.BuildMainFrame()
self.UpdateOutput()
def NewCommand(self):
self.ClearAllCommand()
def OpenCommand(self):
import tkFileDialog
from Tkinter import END
openfile = tkFileDialog.askopenfile()
if not openfile:
return
for line in openfile.readlines():
self.text_input.insert(END, line)
def SaveCommand(self):
import tkFileDialog
from Tkinter import END
saveasfile = tkFileDialog.asksaveasfile()
if not saveasfile:
return
alltext = self.text_input.get("1.0", END)
saveasfile.write(alltext)
def QuitCommand(self):
self.master.quit()
def ClearInputCommand(self):
from Tkinter import END
self.text_input.delete("1.0", END)
def ClearOutputCommand(self):
from Tkinter import NORMAL, END, DISABLED
self.text_output["state"] = NORMAL
self.text_output.delete("1.0", END)
self.text_output["state"] = DISABLED
self.text_output.see(END)
self.text_output.update()
def ClearAllCommand(self):
self.ClearInputCommand()
self.ClearOutputCommand()
def OutputFileCommand(self):
import tkFileDialog
outputfilename = tkFileDialog.asksaveasfilename()
if sys.platform == 'win32' and len(outputfilename.split()) > 1:
outputfilename = '"%s"' % outputfilename
self.output_file_name = outputfilename
def AboutCommand(self):
self.OutputText('\n')
self.OutputText(
'* PypePad, Copyright (c) Luca Antiga, David Steinman. *\n')
self.OutputText('\n')
def UpdateOutput(self):
if self.pypeOutput:
text = self.pypeOutput.pop(0)
self.output_stream.write(text)
self.master.after(10, self.UpdateOutput)
def RunPype(self, arguments):
if not arguments:
return
if self.output_to_file.get() is not 'n' and self.output_file_name:
self.output_stream.output_to_file = True
self.output_stream.output_file = open(self.output_file_name,
self.output_to_file.get())
else:
self.output_stream.output_to_file = False
self.queue.append(arguments)
def GetWordUnderCursor(self):
from Tkinter import CURRENT
splitindex = self.text_input.index(CURRENT).split('.')
line = self.text_input.get(splitindex[0] + ".0",
splitindex[0] + ".end")
wordstart = line.rfind(' ', 0, int(splitindex[1]) - 1) + 1
wordend = line.find(' ', int(splitindex[1]))
if wordend == -1:
wordend = len(line)
word = line[wordstart:wordend]
return word
def GetWordIndex(self):
startindex = self.text_input.index("insert-1c wordstart")
endindex = self.text_input.index("insert-1c wordend")
if self.text_input.get(startindex +
'-1c') == '-' and self.text_input.get(
startindex + '-2c') == '-':
startindex = self.text_input.index("insert-1c wordstart -2c")
elif self.text_input.get(startindex +
'-1c') == '-' and self.text_input.get(
startindex + '-2c') == ' ':
startindex = self.text_input.index("insert-1c wordstart -1c")
self.wordIndex[0] = startindex
self.wordIndex[1] = endindex
word = self.text_input.get(self.wordIndex[0], self.wordIndex[1])
return word
def GetLogicalLine(self, physicallineid):
indexes, lines = self.GetLogicalLines()
return lines[indexes[physicallineid]]
def GetLogicalLineRange(self, physicallinefirstid, physicallinelastid):
indexes, lines = self.GetLogicalLines()
return lines[indexes[physicallinefirstid]:indexes[physicallinelastid] +
1]
def GetAllLogicalLines(self):
return self.GetLogicalLines()[1]
def GetLogicalLines(self):
from Tkinter import END
physicallines = self.text_input.get("1.0", END).split('\n')
lines = []
indexes = [0] * len(physicallines)
lineid = 0
previousline = ""
join = 0
for line in physicallines:
if line.startswith('#'):
if join:
indexes[lineid] = indexes[lineid - 1]
elif join:
if line.endswith('\\'):
lines[-1] = lines[-1] + " " + line[:-1]
join = 1
else:
lines[-1] = lines[-1] + " " + line
join = 0
indexes[lineid] = indexes[lineid - 1]
else:
if line.endswith('\\'):
join = 1
lines.append(line[:-1])
else:
lines.append(line)
join = 0
if lineid > 0:
indexes[lineid] = indexes[lineid - 1] + 1
lineid += 1
return indexes, lines
def GetLineUnderCursor(self):
from Tkinter import INSERT
currentlineid = int(self.text_input.index(INSERT).split('.')[0]) - 1
return self.GetLogicalLine(currentlineid)
def RunAllCommand(self):
lines = self.GetAllLogicalLines()
for line in lines:
if line and line.strip():
self.RunPype(line)
def RunLineCommand(self):
line = self.GetLineUnderCursor()
if line and line.strip():
self.RunPype(line)
def RunSelectionCommand(self):
from Tkinter import TclError, SEL_FIRST, SEL_LAST
try:
firstlineid = int(
self.text_input.index(SEL_FIRST).split('.')[0]) - 1
lastlineid = int(self.text_input.index(SEL_LAST).split('.')[0]) - 1
lines = self.GetLogicalLineRange(firstlineid, lastlineid)
for line in lines:
self.RunPype(line)
except TclError:
pass
def GetSuggestionsList(self, word):
list = []
try:
exec('import vmtkscripts')
except ImportError:
return None
if word.startswith('--'):
list = ['--pipe', '--help']
elif word.startswith('-'):
optionlist = []
scriptindex = self.text_input.search('vmtk',
self.wordIndex[0],
backwards=1)
moduleName = self.text_input.get(scriptindex,
scriptindex + ' wordend')
try:
exec('import ' + moduleName)
exec('scriptObjectClassName = ' + moduleName + '.' +
moduleName)
exec('scriptObject = ' + moduleName + '.' +
scriptObjectClassName + '()')
members = scriptObject.InputMembers + scriptObject.OutputMembers
for member in members:
optionlist.append('-' + member.OptionName)
exec(
'list = [option for option in optionlist if option.count(word)]'
)
except:
return list
else:
exec(
'list = [scriptname for scriptname in vmtkscripts.__all__ if scriptname.count(word) ]'
)
return list
def FillSuggestionsList(self, word):
from Tkinter import END
self.suggestionslist.delete(0, END)
suggestions = self.GetSuggestionsList(word)
for suggestion in suggestions:
self.suggestionslist.insert(END, suggestion)
def ReplaceTextCommand(self, word):
self.text_input.delete(self.wordIndex[0], self.wordIndex[1])
self.text_input.insert(self.wordIndex[0], word)
self.text_input.focus_set()
def ShowHelpCommand(self):
word = self.GetWordUnderCursor()
self.OutputText(word)
if word:
self.RunPype(word + ' --help')
else:
self.OutputText('Enter your vmtk Pype above and Run.\n')
def AutoCompleteCommand(self):
word = self.GetWordIndex()
self.suggestionswindow.withdraw()
if word:
self.FillSuggestionsList(word)
self.suggestionswindow.geometry(
"%dx%d%+d%+d" % (400, 150, self.text_output.winfo_rootx(),
self.text_output.winfo_rooty()))
self.suggestionswindow.deiconify()
self.suggestionswindow.lift()
def InsertScriptName(self, scriptname):
from Tkinter import INSERT
self.text_input.insert(INSERT, scriptname + ' ')
def InsertFileName(self):
from Tkinter import INSERT
import tkFileDialog
openfilename = tkFileDialog.askopenfilename()
if not openfilename:
return
if len(openfilename.split()) > 1:
openfilename = '"%s"' % openfilename
self.text_input.insert(INSERT, openfilename + ' ')
def KeyPressHandler(self, event):
if event.keysym == "Tab":
self.AutoCompleteCommand()
self.suggestionslist.focus_set()
self.suggestionslist.selection_set(0)
return "break"
else:
self.text_input.focus_set()
def TopKeyPressHandler(self, event):
from Tkinter import ACTIVE, INSERT
if event.keysym in ['Down', 'Up']:
self.suggestionslist.focus_set()
elif event.keysym == "Return":
word = self.suggestionslist.get(ACTIVE)
self.ReplaceTextCommand(word)
self.suggestionswindow.withdraw()
self.text_input.focus_set()
elif len(event.keysym) == 1:
self.suggestionswindow.withdraw()
self.text_input.insert(INSERT, event.keysym)
self.text_input.focus_set()
else:
self.suggestionswindow.withdraw()
self.text_input.focus_set()
def NewHandler(self, event):
self.NewCommand()
def OpenHandler(self, event):
self.OpenCommand()
def SaveHandler(self, event):
self.SaveCommand()
def InsertFileNameHandler(self, event):
self.InsertFileName()
return "break"
def QuitHandler(self, event):
self.QuitCommand()
def ShowHelpHandler(self, event):
self.ShowHelpCommand()
def RunKeyboardHandler(self, event):
from Tkinter import SEL_FIRST, TclError
try:
self.text_input.index(SEL_FIRST)
self.RunSelectionCommand()
except TclError:
self.RunLineCommand()
return "break"
def RunAllHandler(self, event):
self.RunAllCommand()
def PopupHandler(self, event):
try:
self.popupmenu.tk_popup(event.x_root, event.y_root, 0)
finally:
self.popupmenu.grab_release()
def OutputText(self, text):
from Tkinter import NORMAL, END, DISABLED
self.text_output["state"] = NORMAL
self.text_output.insert(END, text)
self.text_output["state"] = DISABLED
def BuildScriptMenu(self, parentmenu, modulename):
from Tkinter import Menu
menu = Menu(parentmenu, bd=1, activeborderwidth=0)
try:
exec('import ' + modulename)
except ImportError:
return None
scriptnames = []
exec('scriptnames = [scriptname for scriptname in ' + modulename +
'.__all__]')
menulength = 20
for i in range(len(scriptnames) / menulength + 1):
subscriptnames = scriptnames[i * menulength:(i + 1) * menulength]
if not subscriptnames:
break
submenu = Menu(menu, bd=1, activeborderwidth=0)
menu.add_cascade(label=subscriptnames[0] + "...", menu=submenu)
for scriptname in subscriptnames:
callback = CallbackShim(self.InsertScriptName, scriptname)
submenu.add_command(label=scriptname, command=callback)
return menu
def BuildMainFrame(self):
from Tkinter import Menu, IntVar, StringVar, Toplevel, Listbox, Frame, PanedWindow, Text, Scrollbar, Entry
from Tkinter import X, N, S, W, E, VERTICAL, TOP, END, DISABLED, RAISED
menu = Menu(self.master, activeborderwidth=0, bd=0)
self.master.config(menu=menu)
filemenu = Menu(menu, tearoff=0, bd=1, activeborderwidth=0)
menu.add_cascade(label="File", underline=0, menu=filemenu)
filemenu.add_command(label="New",
accelerator='Ctrl+N',
command=self.NewCommand)
filemenu.add_command(label="Open...",
accelerator='Ctrl+O',
command=self.OpenCommand)
filemenu.add_command(label="Save as...",
accelerator='Ctrl+S',
command=self.SaveCommand)
filemenu.add_separator()
filemenu.add_command(label="Quit",
accelerator='Ctrl+Q',
command=self.QuitCommand)
self.log_on = IntVar()
self.log_on.set(1)
self.output_to_file = StringVar()
self.output_to_file.set('n')
scriptmenu = Menu(menu, tearoff=0, bd=1, activeborderwidth=0)
modulenames = ['vmtkscripts']
for modulename in modulenames:
scriptsubmenu = self.BuildScriptMenu(menu, modulename)
if scriptsubmenu:
scriptmenu.add_cascade(label=modulename, menu=scriptsubmenu)
editmenu = Menu(menu, tearoff=0, bd=1, activeborderwidth=0)
menu.add_cascade(label="Edit", underline=0, menu=editmenu)
editmenu.add_cascade(label="Insert script", menu=scriptmenu)
editmenu.add_command(label="Insert file name",
accelerator='Ctrl+F',
command=self.InsertFileName)
editmenu.add_separator()
editmenu.add_command(label="Clear input",
command=self.ClearInputCommand)
editmenu.add_command(label="Clear output",
command=self.ClearOutputCommand)
editmenu.add_command(label="Clear all", command=self.ClearAllCommand)
editmenu.add_separator()
editmenu.add_checkbutton(label="Log", variable=self.log_on)
editmenu.add_separator()
editmenu.add_radiobutton(label="No output to file",
variable=self.output_to_file,
value='n')
editmenu.add_radiobutton(label="Write output to file",
variable=self.output_to_file,
value='w')
editmenu.add_radiobutton(label="Append output to file",
variable=self.output_to_file,
value='a')
editmenu.add_command(label="Output file...",
command=self.OutputFileCommand)
runmenu = Menu(menu, tearoff=0, bd=1, activeborderwidth=0)
menu.add_cascade(label="Run", underline=0, menu=runmenu)
runmenu.add_command(label="Run all", command=self.RunAllCommand)
runmenu.add_command(label="Run current line",
command=self.RunLineCommand)
runmenu.add_command(label="Run selection",
command=self.RunSelectionCommand)
helpmenu = Menu(menu, tearoff=0, bd=1, activeborderwidth=0)
menu.add_cascade(label="Help", underline=0, menu=helpmenu)
helpmenu.add_command(label="Help",
underline=0,
accelerator='F1',
command=self.ShowHelpCommand)
helpmenu.add_command(label="About",
underline=0,
command=self.AboutCommand)
self.master.bind("<Control-KeyPress-q>", self.QuitHandler)
self.master.bind("<Control-KeyPress-n>", self.NewHandler)
self.master.bind("<Control-KeyPress-o>", self.OpenHandler)
self.master.bind("<Control-KeyPress-s>", self.SaveHandler)
self.master.bind("<Control-KeyPress-f>", self.InsertFileNameHandler)
self.master.bind("<KeyPress-F1>", self.ShowHelpHandler)
self.master.bind("<KeyPress>", self.KeyPressHandler)
self.wordIndex = ['1.0', '1.0']
self.suggestionswindow = Toplevel(bg='#ffffff',
bd=0,
height=50,
width=600,
highlightthickness=0,
takefocus=True)
self.suggestionswindow.overrideredirect(1)
self.suggestionslist = Listbox(self.suggestionswindow,
bg='#ffffff',
bd=1,
fg='#336699',
activestyle='none',
highlightthickness=0,
height=9)
self.suggestionslist.insert(END, "foo")
self.suggestionslist.pack(side=TOP, fill=X)
self.suggestionswindow.bind("<KeyPress>", self.TopKeyPressHandler)
self.suggestionswindow.withdraw()
self.master.rowconfigure(0, weight=1)
self.master.columnconfigure(0, weight=1)
content = Frame(self.master, bd=0, padx=2, pady=2)
content.grid(row=0, column=0, sticky=N + S + W + E)
content.rowconfigure(0, weight=1, minsize=50)
content.rowconfigure(1, weight=0)
content.columnconfigure(0, weight=1)
panes = PanedWindow(content,
orient=VERTICAL,
bd=1,
sashwidth=8,
sashpad=0,
sashrelief=RAISED,
showhandle=True)
panes.grid(row=0, column=0, sticky=N + S + W + E)
frame1 = Frame(panes, bd=0)
frame1.grid(row=0, column=0, sticky=N + S + W + E)
frame1.columnconfigure(0, weight=1)
frame1.columnconfigure(1, weight=0)
frame1.rowconfigure(0, weight=1)
panes.add(frame1, height=300, minsize=20)
frame2 = Frame(panes, bd=0)
frame2.grid(row=1, column=0, sticky=N + S + W + E)
frame2.columnconfigure(0, weight=1)
frame2.columnconfigure(1, weight=0)
frame2.rowconfigure(0, weight=1)
panes.add(frame2, minsize=20)
self.text_input = Text(frame1,
bg='#ffffff',
bd=1,
highlightthickness=0)
self.text_input.bind("<KeyPress>", self.KeyPressHandler)
self.text_input.bind("<Button-3>", self.PopupHandler)
self.text_input.bind("<Control-Return>", self.RunKeyboardHandler)
self.input_scrollbar = Scrollbar(frame1,
orient=VERTICAL,
command=self.text_input.yview)
self.text_input["yscrollcommand"] = self.input_scrollbar.set
self.text_output = Text(frame2,
state=DISABLED,
bd=1,
bg='#ffffff',
highlightthickness=0)
self.output_scrollbar = Scrollbar(frame2,
orient=VERTICAL,
command=self.text_output.yview)
self.text_output["yscrollcommand"] = self.output_scrollbar.set
self.text_entry = Entry(content,
bd=1,
bg='#ffffff',
state=DISABLED,
highlightthickness=0)
self.text_input.focus_set()
self.text_input.grid(row=0, column=0, sticky=N + S + W + E)
self.input_scrollbar.grid(row=0, column=1, sticky=N + S + W + E)
self.text_output.grid(row=0, column=0, sticky=N + S + W + E)
self.output_scrollbar.grid(row=0, column=1, sticky=N + S + W + E)
self.text_entry.grid(row=1, column=0, sticky=N + S + W + E)
self.popupmenu = Menu(self.text_input, tearoff=1, bd=0)
self.popupmenu.add_command(label="Context help",
command=self.ShowHelpCommand)
self.popupmenu.add_cascade(label="Insert script", menu=scriptmenu)
self.popupmenu.add_command(label="Insert file name...",
command=self.InsertFileName)
self.popupmenu.add_separator()
self.popupmenu.add_command(label="Run all", command=self.RunAllCommand)
self.popupmenu.add_command(label="Run current line",
command=self.RunLineCommand)
self.popupmenu.add_command(label="Run selection",
command=self.RunSelectionCommand)
self.output_stream = TkPadOutputStream(self.text_output)
self.input_stream = TkPadInputStream(self.text_entry,
self.output_stream)
class KeyboardEntry:
"""Mixin class that can be used to add the ability to type values for
widget. When the cursor enters the widget the focus is set to the widget
and the widget that had the focus previousy is saved in .lastFocus.
When the cursor leaves the widget focus is restored to self.lastFocus.
key_cb(event) is called upon KeyRelease events. If this is the first keytroke
an undecorated window is created next to the cursor and handleKeyStroke(event)
is called. This method should be subclassed to modify the way the string is
typed in (see thumbwheel.py for an example of handling numbers only).
When the Return key is pressed, the entry window is destroyed and if the
typed striong is not empty self.callSet(self.typedValue) is called.
If the cursor moves out of the widget before Rrturn is pressed the value
in the entry window is discarded and the entry window is destroyed.
"""
def __init__(self, widgets, callSet):
# callSet is a function taking one argument (string) which will be
# when the Returnm key is hit (if the typed string is not empty)
# widgets is a list of Tkinter wigets for which <Enter>, <Leave>
# <Return> and <KeyRelease> are handled. These widgets has to exist
# before thsi constructor can be called
assert callable(callSet)
self.callSet = callSet
for w in widgets:
w.bind("<Enter>", self.enter_cb)
w.bind("<Leave>", self.leave_cb)
w.bind("<Return>", self.return_cb)
w.bind("<KeyRelease>", self.key_cb)
self.typedValue = '' # string accumulating valuescharacters typed
self.lastFocus = None # widget to which the focus will be restored
# when the mouse leaves the widget
self.topEntry = None # top level for typing values
self.typedValueTK = None #Tk label used as entry for value
def key_cb(self, event=None):
# call back function for keyboard events (except for Return)
# handle numbers to set value
key = event.keysym
if key == 'Return': return
#print 'Key:', key
if len(self.typedValue) == 0 and self.topEntry is None:
# create Tk label showing typed value
x = event.x
y = event.y
#print 'create entry'
self.topEntry = Toplevel()
self.topEntry.overrideredirect(1)
w = event.widget
if event.x >= 0:
self.topEntry.geometry('+%d+%d' %
(w.winfo_rootx() + event.x + 10,
w.winfo_rooty() + event.y))
else:
self.topEntry.geometry('+%d+%d' %
(w.winfo_rootx() + 10, w.winfo_rooty()))
self.typedValueTK = Label(master=self.topEntry,
text='',
relief='sunken',
bg='yellow')
self.typedValueTK.pack()
self.handleKeyStroke(event)
def leave_cb(self, event=None):
# make sure widget gets keyboard events
# print 'leave', event.widget
if self.topEntry:
self.typedValueTK.destroy()
self.topEntry.destroy()
self.topEntry = None
self.typedValue = ''
if self.lastFocus:
#print 'restoring focus'
if widgetsOnBackWindowsCanGrabFocus is False:
lActiveWindow = self.lastFocus.focus_get()
if lActiveWindow is not None \
and ( lActiveWindow.winfo_toplevel() != self.lastFocus.winfo_toplevel() ):
return
self.lastFocus.focus_set()
self.lastFocus = None
event.widget.config(cursor='')
def enter_cb(self, event=None):
# make sure widget gets keyboard events
#print 'enter', event.widget
if widgetsOnBackWindowsCanGrabFocus is False:
lActiveWindow = event.widget.focus_get()
if lActiveWindow is not None \
and ( lActiveWindow.winfo_toplevel() != event.widget.winfo_toplevel() ):
return
if self.lastFocus is None:
#print 'setting focus'
self.lastFocus = self.focus_lastfor()
event.widget.focus_set()
event.widget.config(cursor='xterm')
def return_cb(self, event):
# return should destroy the topEntry
#print "return_cb"
if self.typedValueTK is not None:
self.typedValueTK.destroy()
if self.topEntry is not None:
self.topEntry.destroy()
self.topEntry = None
if len(self.typedValue):
#print 'setting to', self.type(self.typedValue)
self.callSet(self.typedValue)
self.typedValue = ''
## TO BE SUBCLASSED
def handleKeyStroke(self, event):
# by default we handle delete character keys
key = event.keysym
if key == 'BackSpace' or key == 'Delete':
self.typedValue = self.typedValue[:-1]
self.typedValueTK.configure(text=self.typedValue)
class Tooltips:
tooltip_delay = 100
def __init__(self):
self.descriptions = {}
self.balloon = None
self.balloon_label = None
self.last_widget = ''
self.after_id = None
self.root = None
def AddDescription(self, widget, description):
self.descriptions[widget._w] = description
if widget._w == self.last_widget:
self.balloon_label['text'] = description
def RemoveDescription(self, widget):
if type(widget) == InstanceType:
widget = widget._w
if self.descriptions.has_key(widget):
del self.descriptions[widget]
def GetDescription(self, widget):
if type(widget) == InstanceType:
widget = widget._w
if self.descriptions.has_key(widget):
return self.descriptions[widget]
return ''
def create_balloon(self, root):
self.root = root
self.balloon = Toplevel(self.root)
self.balloon.withdraw()
self.balloon.overrideredirect(1)
self.balloon["relief"] = 'flat'
label = TLabel(self.balloon, text='Tooltip', style='Tooltips')
label.pack(ipadx=2, ipady=2)
self.balloon_label = label
def popup_balloon(self, widget_name, x, y, text):
self.last_widget = widget_name
self.balloon.withdraw()
self.balloon_label['text'] = text
width = self.balloon_label.winfo_reqwidth()
height = self.balloon_label.winfo_reqheight()
screenwidth = self.root.winfo_screenwidth()
screenheight = self.root.winfo_screenheight()
x = self.root.winfo_pointerx()
y = self.root.winfo_pointery() + 20
if screenwidth < (x + width):
x = x - width
if screenheight < (y + height):
y = y - height - 25
self.balloon.geometry('%+d%+d' % (x, y))
self.balloon.update()
self.balloon.deiconify()
self.balloon.tkraise()
def popup_delayed(self, widget_name, x, y, text, *args):
self.after_id = None
self.popup_balloon(widget_name, x, y, text)
def enter_widget(self, event):
widget_name = event.widget
text = self.GetDescription(widget_name)
if text:
x = event.x
y = event.y
if self.after_id:
print 'after_id in enter'
self.root.after_cancel(self.after_id)
self.after_id = self.root.after(self.tooltip_delay,
self.popup_delayed, widget_name, x,
y, text)
def leave_widget(self, event):
global last_widget, after_id
if self.after_id is not None:
self.root.after_cancel(self.after_id)
self.after_id = None
self.last_widget = ''
last_widget = ''
self.balloon.withdraw()
button_press = leave_widget
def destroy_widget(self, event):
self.RemoveDescription(event.widget)
class PypeTkPad(object):
def __init__(self, master, queue, pypeOutput):
self.queue = queue
self.pypeOutput = pypeOutput
self.master = master
self.master.title('PypePad')
self.master.geometry("%dx%d%+d%+d" % (700, 500, 0, 0))
self.master.minsize(300, 100)
self.output_file_name = None
self.BuildMainFrame()
self.UpdateOutput()
def NewCommand(self):
self.ClearAllCommand()
def OpenCommand(self):
import tkFileDialog
from Tkinter import END
openfile = tkFileDialog.askopenfile()
if not openfile:
return
for line in openfile.readlines():
self.text_input.insert(END,line)
def SaveCommand(self):
import tkFileDialog
from Tkinter import END
saveasfile = tkFileDialog.asksaveasfile()
if not saveasfile:
return
alltext = self.text_input.get("1.0",END)
saveasfile.write(alltext)
def QuitCommand(self):
self.master.quit()
def ClearInputCommand(self):
from Tkinter import END
self.text_input.delete("1.0",END)
def ClearOutputCommand(self):
from Tkinter import NORMAL, END, DISABLED
self.text_output["state"] = NORMAL
self.text_output.delete("1.0",END)
self.text_output["state"] = DISABLED
self.text_output.see(END)
self.text_output.update()
def ClearAllCommand(self):
self.ClearInputCommand()
self.ClearOutputCommand()
def OutputFileCommand(self):
import tkFileDialog
outputfilename = tkFileDialog.asksaveasfilename()
if sys.platform == 'win32' and len(outputfilename.split()) > 1:
outputfilename = '"%s"' % outputfilename
self.output_file_name = outputfilename
def AboutCommand(self):
self.OutputText('\n')
self.OutputText('* PypePad, Copyright (c) Luca Antiga, David Steinman. *\n')
self.OutputText('\n')
def UpdateOutput(self):
if self.pypeOutput:
text = self.pypeOutput.pop(0)
self.output_stream.write(text)
self.master.after(10,self.UpdateOutput)
def RunPype(self,arguments):
if not arguments:
return
if self.output_to_file.get() is not 'n' and self.output_file_name:
self.output_stream.output_to_file = True
self.output_stream.output_file = open(self.output_file_name,self.output_to_file.get())
else:
self.output_stream.output_to_file = False
self.queue.append(arguments)
def GetWordUnderCursor(self):
from Tkinter import CURRENT
splitindex = self.text_input.index(CURRENT).split('.')
line = self.text_input.get(splitindex[0]+".0",splitindex[0]+".end")
wordstart = line.rfind(' ',0,int(splitindex[1])-1)+1
wordend = line.find(' ',int(splitindex[1]))
if wordend == -1:
wordend = len(line)
word = line[wordstart:wordend]
return word
def GetWordIndex(self):
startindex = self.text_input.index("insert-1c wordstart")
endindex = self.text_input.index("insert-1c wordend")
if self.text_input.get(startindex+'-1c') == '-' and self.text_input.get(startindex+'-2c') == '-':
startindex = self.text_input.index("insert-1c wordstart -2c")
elif self.text_input.get(startindex+'-1c') == '-' and self.text_input.get(startindex+'-2c') == ' ':
startindex = self.text_input.index("insert-1c wordstart -1c")
self.wordIndex[0] = startindex
self.wordIndex[1] = endindex
word = self.text_input.get(self.wordIndex[0],self.wordIndex[1])
return word
def GetLogicalLine(self,physicallineid):
indexes, lines = self.GetLogicalLines()
return lines[indexes[physicallineid]]
def GetLogicalLineRange(self,physicallinefirstid,physicallinelastid):
indexes, lines = self.GetLogicalLines()
return lines[indexes[physicallinefirstid]:indexes[physicallinelastid]+1]
def GetAllLogicalLines(self):
return self.GetLogicalLines()[1]
def GetLogicalLines(self):
from Tkinter import END
physicallines = self.text_input.get("1.0",END).split('\n')
lines = []
indexes = [0] * len(physicallines)
lineid = 0
previousline = ""
join = 0
for line in physicallines:
if line.startswith('#'):
if join:
indexes[lineid] = indexes[lineid-1]
elif join:
if line.endswith('\\'):
lines[-1] = lines[-1] + " " + line[:-1]
join = 1
else:
lines[-1] = lines[-1] + " " + line
join = 0
indexes[lineid] = indexes[lineid-1]
else:
if line.endswith('\\'):
join = 1
lines.append(line[:-1])
else:
lines.append(line)
join = 0
if lineid > 0:
indexes[lineid] = indexes[lineid-1]+1
lineid += 1
return indexes, lines
def GetLineUnderCursor(self):
from Tkinter import INSERT
currentlineid = int(self.text_input.index(INSERT).split('.')[0]) - 1
return self.GetLogicalLine(currentlineid)
def RunAllCommand(self):
lines = self.GetAllLogicalLines()
for line in lines:
if line and line.strip():
self.RunPype(line)
def RunLineCommand(self):
line = self.GetLineUnderCursor()
if line and line.strip():
self.RunPype(line)
def RunSelectionCommand(self):
from Tkinter import TclError, SEL_FIRST, SEL_LAST
try:
firstlineid = int(self.text_input.index(SEL_FIRST).split('.')[0]) - 1
lastlineid = int(self.text_input.index(SEL_LAST).split('.')[0]) - 1
lines = self.GetLogicalLineRange(firstlineid,lastlineid)
for line in lines:
self.RunPype(line)
except TclError:
pass
def GetSuggestionsList(self,word):
list = []
try:
exec('import vmtkscripts')
except ImportError:
return None
if word.startswith('--'):
list = ['--pipe','--help']
elif word.startswith('-'):
optionlist = []
scriptindex = self.text_input.search('vmtk',self.wordIndex[0],backwards=1)
moduleName = self.text_input.get( scriptindex,scriptindex+' wordend' )
try:
exec('import '+moduleName)
exec('scriptObjectClassName = '+moduleName+'.'+moduleName)
exec ('scriptObject = '+moduleName+'.'+scriptObjectClassName +'()')
members = scriptObject.InputMembers + scriptObject.OutputMembers
for member in members:
optionlist.append('-'+member.OptionName)
exec('list = [option for option in optionlist if option.count(word)]')
except:
return list
else:
exec('list = [scriptname for scriptname in vmtkscripts.__all__ if scriptname.count(word) ]')
return list
def FillSuggestionsList(self,word):
from Tkinter import END
self.suggestionslist.delete(0,END)
suggestions = self.GetSuggestionsList(word)
for suggestion in suggestions:
self.suggestionslist.insert(END,suggestion)
def ReplaceTextCommand(self,word):
self.text_input.delete(self.wordIndex[0],self.wordIndex[1])
self.text_input.insert(self.wordIndex[0],word)
self.text_input.focus_set()
def ShowHelpCommand(self):
word = self.GetWordUnderCursor()
self.OutputText(word)
if word:
self.RunPype(word+' --help')
else:
self.OutputText('Enter your vmtk Pype above and Run.\n')
def AutoCompleteCommand(self):
word = self.GetWordIndex()
self.suggestionswindow.withdraw()
if word:
self.FillSuggestionsList(word)
self.suggestionswindow.geometry("%dx%d%+d%+d" % (400, 150, self.text_output.winfo_rootx(),self.text_output.winfo_rooty()))
self.suggestionswindow.deiconify()
self.suggestionswindow.lift()
def InsertScriptName(self,scriptname):
from Tkinter import INSERT
self.text_input.insert(INSERT,scriptname+' ')
def InsertFileName(self):
from Tkinter import INSERT
import tkFileDialog
openfilename = tkFileDialog.askopenfilename()
if not openfilename:
return
if len(openfilename.split()) > 1:
openfilename = '"%s"' % openfilename
self.text_input.insert(INSERT,openfilename+' ')
def KeyPressHandler(self,event):
if event.keysym == "Tab" :
self.AutoCompleteCommand()
self.suggestionslist.focus_set()
self.suggestionslist.selection_set(0)
return "break"
else:
self.text_input.focus_set()
def TopKeyPressHandler(self,event):
from Tkinter import ACTIVE, INSERT
if event.keysym in ['Down','Up'] :
self.suggestionslist.focus_set()
elif event.keysym == "Return":
word = self.suggestionslist.get(ACTIVE)
self.ReplaceTextCommand(word)
self.suggestionswindow.withdraw()
self.text_input.focus_set()
elif len(event.keysym) == 1 :
self.suggestionswindow.withdraw()
self.text_input.insert(INSERT,event.keysym)
self.text_input.focus_set()
else :
self.suggestionswindow.withdraw()
self.text_input.focus_set()
def NewHandler(self,event):
self.NewCommand()
def OpenHandler(self,event):
self.OpenCommand()
def SaveHandler(self,event):
self.SaveCommand()
def InsertFileNameHandler(self,event):
self.InsertFileName()
return "break"
def QuitHandler(self,event):
self.QuitCommand()
def ShowHelpHandler(self,event):
self.ShowHelpCommand()
def RunKeyboardHandler(self,event):
from Tkinter import SEL_FIRST, TclError
try:
self.text_input.index(SEL_FIRST)
self.RunSelectionCommand()
except TclError:
self.RunLineCommand()
return "break"
def RunAllHandler(self,event):
self.RunAllCommand()
def PopupHandler(self,event):
try:
self.popupmenu.tk_popup(event.x_root, event.y_root, 0)
finally:
self.popupmenu.grab_release()
def OutputText(self,text):
from Tkinter import NORMAL, END, DISABLED
self.text_output["state"] = NORMAL
self.text_output.insert(END,text)
self.text_output["state"] = DISABLED
def BuildScriptMenu(self,parentmenu,modulename):
from Tkinter import Menu
menu = Menu(parentmenu,bd=1,activeborderwidth=0)
try:
exec('import '+ modulename)
except ImportError:
return None
scriptnames = []
exec ('scriptnames = [scriptname for scriptname in '+modulename+'.__all__]')
menulength = 20
for i in range(len(scriptnames)/menulength+1):
subscriptnames = scriptnames[i*menulength:(i+1)*menulength]
if not subscriptnames:
break
submenu = Menu(menu,bd=1,activeborderwidth=0)
menu.add_cascade(label=subscriptnames[0]+"...",menu=submenu)
for scriptname in subscriptnames:
callback = CallbackShim(self.InsertScriptName,scriptname)
submenu.add_command(label=scriptname,command=callback)
return menu
def BuildMainFrame(self):
from Tkinter import Menu, IntVar, StringVar, Toplevel, Listbox, Frame, PanedWindow, Text, Scrollbar, Entry
from Tkinter import X, N, S, W, E, VERTICAL, TOP, END, DISABLED, RAISED
menu = Menu(self.master,activeborderwidth=0,bd=0)
self.master.config(menu=menu)
filemenu = Menu(menu,tearoff=0,bd=1,activeborderwidth=0)
menu.add_cascade(label="File", underline=0, menu=filemenu)
filemenu.add_command(label="New", accelerator='Ctrl+N',command=self.NewCommand)
filemenu.add_command(label="Open...",accelerator='Ctrl+O', command=self.OpenCommand)
filemenu.add_command(label="Save as...",accelerator='Ctrl+S', command=self.SaveCommand)
filemenu.add_separator()
filemenu.add_command(label="Quit",accelerator='Ctrl+Q', command=self.QuitCommand)
self.log_on = IntVar()
self.log_on.set(1)
self.output_to_file = StringVar()
self.output_to_file.set('n')
scriptmenu = Menu(menu,tearoff=0,bd=1,activeborderwidth=0)
modulenames = ['vmtkscripts']
for modulename in modulenames:
scriptsubmenu = self.BuildScriptMenu(menu,modulename)
if scriptsubmenu:
scriptmenu.add_cascade(label=modulename,menu=scriptsubmenu)
editmenu = Menu(menu,tearoff=0,bd=1,activeborderwidth=0)
menu.add_cascade(label="Edit",underline=0, menu=editmenu)
editmenu.add_cascade(label="Insert script",menu=scriptmenu)
editmenu.add_command(label="Insert file name", accelerator='Ctrl+F',command=self.InsertFileName)
editmenu.add_separator()
editmenu.add_command(label="Clear input", command=self.ClearInputCommand)
editmenu.add_command(label="Clear output", command=self.ClearOutputCommand)
editmenu.add_command(label="Clear all", command=self.ClearAllCommand)
editmenu.add_separator()
editmenu.add_checkbutton(label="Log", variable=self.log_on)
editmenu.add_separator()
editmenu.add_radiobutton(label="No output to file", variable=self.output_to_file,value='n')
editmenu.add_radiobutton(label="Write output to file", variable=self.output_to_file,value='w')
editmenu.add_radiobutton(label="Append output to file", variable=self.output_to_file,value='a')
editmenu.add_command(label="Output file...", command=self.OutputFileCommand)
runmenu = Menu(menu,tearoff=0,bd=1,activeborderwidth=0)
menu.add_cascade(label="Run", underline=0, menu=runmenu)
runmenu.add_command(label="Run all", command=self.RunAllCommand)
runmenu.add_command(label="Run current line", command=self.RunLineCommand)
runmenu.add_command(label="Run selection", command=self.RunSelectionCommand)
helpmenu = Menu(menu,tearoff=0,bd=1,activeborderwidth=0)
menu.add_cascade(label="Help", underline=0, menu=helpmenu)
helpmenu.add_command(label="Help", underline=0, accelerator='F1',command=self.ShowHelpCommand)
helpmenu.add_command(label="About", underline=0, command=self.AboutCommand)
self.master.bind("<Control-KeyPress-q>", self.QuitHandler)
self.master.bind("<Control-KeyPress-n>", self.NewHandler)
self.master.bind("<Control-KeyPress-o>", self.OpenHandler)
self.master.bind("<Control-KeyPress-s>", self.SaveHandler)
self.master.bind("<Control-KeyPress-f>", self.InsertFileNameHandler)
self.master.bind("<KeyPress-F1>", self.ShowHelpHandler)
self.master.bind("<KeyPress>", self.KeyPressHandler)
self.wordIndex = ['1.0','1.0']
self.suggestionswindow = Toplevel(bg='#ffffff',bd=0,height=50,width=600,highlightthickness=0,takefocus=True)
self.suggestionswindow.overrideredirect(1)
self.suggestionslist = Listbox(self.suggestionswindow,bg='#ffffff',bd=1,fg='#336699',activestyle='none',highlightthickness=0,height=9)
self.suggestionslist.insert(END,"foo")
self.suggestionslist.pack(side=TOP,fill=X)
self.suggestionswindow.bind("<KeyPress>", self.TopKeyPressHandler)
self.suggestionswindow.withdraw()
self.master.rowconfigure(0,weight=1)
self.master.columnconfigure(0,weight=1)
content = Frame(self.master,bd=0,padx=2,pady=2)
content.grid(row=0,column=0,sticky=N+S+W+E)
content.rowconfigure(0,weight=1,minsize=50)
content.rowconfigure(1,weight=0)
content.columnconfigure(0,weight=1)
panes = PanedWindow(content,orient=VERTICAL,bd=1,sashwidth=8,sashpad=0,sashrelief=RAISED,showhandle=True)
panes.grid(row=0,column=0,sticky=N+S+W+E)
frame1 = Frame(panes,bd=0)
frame1.grid(row=0,column=0,sticky=N+S+W+E)
frame1.columnconfigure(0,weight=1)
frame1.columnconfigure(1,weight=0)
frame1.rowconfigure(0,weight=1)
panes.add(frame1,height=300,minsize=20)
frame2 = Frame(panes,bd=0)
frame2.grid(row=1,column=0,sticky=N+S+W+E)
frame2.columnconfigure(0,weight=1)
frame2.columnconfigure(1,weight=0)
frame2.rowconfigure(0,weight=1)
panes.add(frame2,minsize=20)
self.text_input = Text(frame1, bg='#ffffff',bd=1,highlightthickness=0)
self.text_input.bind("<KeyPress>", self.KeyPressHandler)
self.text_input.bind("<Button-3>", self.PopupHandler)
self.text_input.bind("<Control-Return>", self.RunKeyboardHandler)
self.input_scrollbar = Scrollbar(frame1,orient=VERTICAL,command=self.text_input.yview)
self.text_input["yscrollcommand"] = self.input_scrollbar.set
self.text_output = Text(frame2,state=DISABLED,bd=1,bg='#ffffff',highlightthickness=0)
self.output_scrollbar = Scrollbar(frame2,orient=VERTICAL,command=self.text_output.yview)
self.text_output["yscrollcommand"] = self.output_scrollbar.set
self.text_entry = Entry(content,bd=1,bg='#ffffff',state=DISABLED,highlightthickness=0)
self.text_input.focus_set()
self.text_input.grid(row=0,column=0,sticky=N+S+W+E)
self.input_scrollbar.grid(row=0,column=1,sticky=N+S+W+E)
self.text_output.grid(row=0,column=0,sticky=N+S+W+E)
self.output_scrollbar.grid(row=0,column=1,sticky=N+S+W+E)
self.text_entry.grid(row=1,column=0,sticky=N+S+W+E)
self.popupmenu = Menu(self.text_input, tearoff=1, bd=0)
self.popupmenu.add_command(label="Context help", command=self.ShowHelpCommand)
self.popupmenu.add_cascade(label="Insert script",menu=scriptmenu)
self.popupmenu.add_command(label="Insert file name...", command=self.InsertFileName)
self.popupmenu.add_separator()
self.popupmenu.add_command(label="Run all", command=self.RunAllCommand)
self.popupmenu.add_command(label="Run current line", command=self.RunLineCommand)
self.popupmenu.add_command(label="Run selection", command=self.RunSelectionCommand)
self.output_stream = TkPadOutputStream(self.text_output)
self.input_stream = TkPadInputStream(self.text_entry,self.output_stream)
epics['write_amp'] = cs_checkbox(lf_results, 1, 1, '', False)
epics['amp'] = 'FKC00V'
epics['write_tau'] = cs_checkbox(lf_results, 3, 1, '', False)
epics['tau'] = 'FKC01V'
epics['write_tswa'] = cs_checkbox(lf_results, 5, 1, '', False)
epics['tswa'] = 'FKC02V'
class pv:
fill = PV('CUMZR:MBcurrent')
curt = PV('TOPUPCC:rdCurCS')
ampl = PV(epics['amp'])
tau = PV(epics['tau'])
tswa = PV(epics['tswa'])
popup = Toplevel(bg='')
popup.overrideredirect(True)
popup.withdraw()
popupstr, popuplab = cp_label(popup, '',
label_conf={'bg':'black', 'fg':'green',
'font':'Mono 15'},
pack_conf={'side':'right'})
def b2click(event, text):
# get epics var name
text = epics[text]
# create popup displaying epics name
popupstr.set(text)
popup.update()
w, h = popuplab.winfo_width() + 15, popuplab.winfo_height()
x, y = root.winfo_pointerx(), root.winfo_pointery()
class Tooltips:
tooltip_delay = 100
def __init__(self):
self.descriptions = {}
self.balloon = None
self.balloon_label = None
self.last_widget = ''
self.after_id = None
self.root = None
def AddDescription(self, widget, description):
self.descriptions[widget._w] = description
if widget._w == self.last_widget:
self.balloon_label['text'] = description
def RemoveDescription(self, widget):
if type(widget) == InstanceType:
widget = widget._w
if self.descriptions.has_key(widget):
del self.descriptions[widget]
def GetDescription(self, widget):
if type(widget) == InstanceType:
widget = widget._w
if self.descriptions.has_key(widget):
return self.descriptions[widget]
return ''
def create_balloon(self, root):
self.root = root
self.balloon = Toplevel(self.root)
self.balloon.withdraw()
self.balloon.overrideredirect(1)
self.balloon["relief"] = 'flat'
label = TLabel(self.balloon, text='Tooltip', style='Tooltips')
label.pack(ipadx=2, ipady=2)
self.balloon_label = label
def popup_balloon(self, widget_name, x, y, text):
self.last_widget = widget_name
self.balloon.withdraw()
self.balloon_label['text'] = text
width = self.balloon_label.winfo_reqwidth()
height = self.balloon_label.winfo_reqheight()
screenwidth = self.root.winfo_screenwidth()
screenheight = self.root.winfo_screenheight()
x = self.root.winfo_pointerx()
y = self.root.winfo_pointery() + 20
if screenwidth < (x + width):
x = x - width
if screenheight < (y + height):
y = y - height - 25
self.balloon.geometry('%+d%+d' % (x, y))
self.balloon.update()
self.balloon.deiconify()
self.balloon.tkraise()
def popup_delayed(self, widget_name, x, y, text, *args):
self.after_id = None
self.popup_balloon(widget_name, x, y, text)
def enter_widget(self, event):
widget_name = event.widget
text = self.GetDescription(widget_name)
if text:
x = event.x;y = event.y
if self.after_id:
print 'after_id in enter'
self.root.after_cancel(self.after_id)
self.after_id = self.root.after(self.tooltip_delay, self.popup_delayed, widget_name, x, y, text)
def leave_widget(self, event):
global last_widget, after_id
if self.after_id is not None:
self.root.after_cancel(self.after_id)
self.after_id = None
self.last_widget = ''
last_widget = ''
self.balloon.withdraw()
button_press = leave_widget
def destroy_widget(self, event):
self.RemoveDescription(event.widget)
class KeyboardEntry:
"""Mixin class that can be used to add the ability to type values for
widget. When the cursor enters the widget the focus is set to the widget
and the widget that had the focus previousy is saved in .lastFocus.
When the cursor leaves the widget focus is restored to self.lastFocus.
key_cb(event) is called upon KeyRelease events. If this is the first keytroke
an undecorated window is created next to the cursor and handleKeyStroke(event)
is called. This method should be subclassed to modify the way the string is
typed in (see thumbwheel.py for an example of handling numbers only).
When the Return key is pressed, the entry window is destroyed and if the
typed striong is not empty self.callSet(self.typedValue) is called.
If the cursor moves out of the widget before Rrturn is pressed the value
in the entry window is discarded and the entry window is destroyed.
"""
def __init__(self, widgets, callSet):
# callSet is a function taking one argument (string) which will be
# when the Returnm key is hit (if the typed string is not empty)
# widgets is a list of Tkinter wigets for which <Enter>, <Leave>
# <Return> and <KeyRelease> are handled. These widgets has to exist
# before thsi constructor can be called
assert callable(callSet)
self.callSet = callSet
for w in widgets:
w.bind("<Enter>", self.enter_cb)
w.bind("<Leave>", self.leave_cb)
w.bind("<Return>", self.return_cb)
w.bind("<KeyRelease>", self.key_cb)
self.typedValue = '' # string accumulating valuescharacters typed
self.lastFocus = None # widget to which the focus will be restored
# when the mouse leaves the widget
self.topEntry = None # top level for typing values
self.typedValueTK = None #Tk label used as entry for value
def key_cb(self, event=None):
# call back function for keyboard events (except for Return)
# handle numbers to set value
key = event.keysym
if key=='Return': return
#print 'Key:', key
if len(self.typedValue)==0 and self.topEntry is None:
# create Tk label showing typed value
x = event.x
y = event.y
#print 'create entry'
self.topEntry = Toplevel()
self.topEntry.overrideredirect(1)
w = event.widget
if event.x >= 0:
self.topEntry.geometry('+%d+%d'%(w.winfo_rootx() + event.x+10,
w.winfo_rooty() + event.y))
else:
self.topEntry.geometry('+%d+%d'%(w.winfo_rootx() +10,
w.winfo_rooty() ))
self.typedValueTK = Label(
master=self.topEntry, text='', relief='sunken', bg='yellow')
self.typedValueTK.pack()
self.handleKeyStroke(event)
def leave_cb(self, event=None):
# make sure widget gets keyboard events
# print 'leave', event.widget
if self.topEntry:
self.typedValueTK.destroy()
self.topEntry.destroy()
self.topEntry = None
self.typedValue = ''
if self.lastFocus:
#print 'restoring focus'
if widgetsOnBackWindowsCanGrabFocus is False:
lActiveWindow = self.lastFocus.focus_get()
if lActiveWindow is not None \
and ( lActiveWindow.winfo_toplevel() != self.lastFocus.winfo_toplevel() ):
return
self.lastFocus.focus_set()
self.lastFocus = None
event.widget.config(cursor='')
def enter_cb(self, event=None):
# make sure widget gets keyboard events
#print 'enter', event.widget
if widgetsOnBackWindowsCanGrabFocus is False:
lActiveWindow = event.widget.focus_get()
if lActiveWindow is not None \
and ( lActiveWindow.winfo_toplevel() != event.widget.winfo_toplevel() ):
return
if self.lastFocus is None:
#print 'setting focus'
self.lastFocus = self.focus_lastfor()
event.widget.focus_set()
event.widget.config(cursor='xterm')
def return_cb(self, event):
# return should destroy the topEntry
#print "return_cb"
if self.typedValueTK is not None:
self.typedValueTK.destroy()
if self.topEntry is not None:
self.topEntry.destroy()
self.topEntry = None
if len(self.typedValue):
#print 'setting to', self.type(self.typedValue)
self.callSet(self.typedValue)
self.typedValue = ''
## TO BE SUBCLASSED
def handleKeyStroke(self, event):
# by default we handle delete character keys
key = event.keysym
if key=='BackSpace' or key=='Delete':
self.typedValue = self.typedValue[:-1]
self.typedValueTK.configure(text=self.typedValue)
class Tooltips:
def __init__(self):
self.descriptions = {}
self.balloon = None
self.balloon_label = None
self.last_widget = ''
self.after_id = None
def AddDescription(self, widget, description):
self.descriptions[widget._w] = description
if widget._w == self.last_widget:
self.balloon_label['text'] = description
def RemoveDescription(self, widget):
if type(widget) == InstanceType:
widget = widget._w
if self.descriptions.has_key(widget):
del self.descriptions[widget]
def GetDescription(self, widget):
if type(widget) == InstanceType:
widget = widget._w
if self.descriptions.has_key(widget):
return self.descriptions[widget]
return ''
def create_balloon(self, root):
self.root = root
self.balloon = Toplevel(self.root, name = 'tooltips')
self.balloon.withdraw()
self.balloon.overrideredirect(1)
label = Label(self.balloon, name = 'label', text = 'Tooltip')
label.pack()
self.balloon_label = label
def popup_balloon(self, widget_name, x, y, text):
self.last_widget = widget_name
self.balloon.withdraw()
self.balloon_label['text'] = text
x = x - self.balloon_label.winfo_reqwidth() / 2
self.balloon.geometry('%+d%+d' % (x, y))
self.balloon.update()
self.balloon.deiconify()
self.balloon.tkraise()
def popup_delayed(self, widget_name, x, y, text, *args):
self.after_id = None
self.popup_balloon(widget_name, x, y, text)
def enter_widget(self, widget_name):
text = self.GetDescription(widget_name)
if text:
widget = self.root.nametowidget(widget_name)
x = widget.winfo_rootx() + widget.winfo_width() / 2
y = widget.winfo_rooty() + widget.winfo_height()
#y = y + height
#x = x + width / 2
if self.after_id:
print 'after_id in enter'
self.root.after_cancel(self.after_id)
self.after_id = self.root.after(config.preferences.tooltip_delay,
self.popup_delayed,
widget_name, x, y, text)
def leave_widget(self, widget_name):
global last_widget, after_id
if self.after_id is not None:
self.root.after_cancel(self.after_id)
self.after_id = None
self.last_widget = ''
last_widget = ''
self.balloon.withdraw()
button_press = leave_widget
def destroy_widget(self, event):
self.RemoveDescription(event.widget)
