[pygtk] placing info from scrollbar into variable
I am trying to create a gui that consists of a
vertical scrollbar and two buttons. I want to be able
to pick a number representing degrees Fahrenheit using
the scrollbar. When I click the Convert button after
picking a number, the gui would convert the number
into degrees Celsius and print the answer to the
screen. Here is what I have written so far:
#!/usr/bin/python
import pygtk
pygtk.require('2.0')
import gtk
def scale_set_default_values(scale):
scale.set_update_policy(gtk.UPDATE_CONTINUOUS)
scale.set_digits(1)
scale.set_value_pos(gtk.POS_LEFT)
scale.set_draw_value(True)
scale.set_sensitive(True)
class Conversion_GUI:
def convert_to_celsius(self, adj):
#print "Data: ", adj.value
degC = (adj.value - 32)/1.8
return degC
def print_celsius(self, widget, data=None):
#degC = self.convert_to_celsius(adj1)
print data
def __init__(self):
self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
self.window.connect("destroy", lambda w:
gtk.main_quit())
self.window.set_title("Convert to Celsius")
self.window.set_default_size(200,240)
box1 = gtk.VBox(False, 0)
self.window.add(box1)
box2 = gtk.HBox(False, 10)
box2.set_border_width(10)
box1.pack_end(box2, True, True, 0)
box3 = gtk.HBox(False, 10)
box3.set_border_width(10)
box1.pack_end(box3, True, True, 0)
adj1 = gtk.Adjustment(32.0, 32.0, 213.0, 0.1, 1.0,
1.0)
self.vscale = gtk.VScale(adj1)
self.vscale.set_size_request(20, 300)
scale_set_default_values(self.vscale)
box1.pack_start(self.vscale, True, True, 0)
adj1.connect("value_changed",self.convert_to_celsius)
quit_button = gtk.Button("Quit")
quit_button.connect("clicked", lambda
w:gtk.main_quit())
convert_button = gtk.Button("Convert")
convert_button.connect("clicked",
self.print_celsius, data)
box3.pack_start(convert_button, True, True, 0)
box2.pack_start(quit_button, True, True, 0)
self.vscale.show()
convert_button.show()
quit_button.show()
box3.show()
box2.show()
box1.show()
self.window.show()
def main(self):
gtk.main()
return 0
if __name__ == '__main__':
convert = Conversion_GUI()
convert.main()
Basically, the scrollbar feeds information into
convert_to_celsius, which does the conversion. What I
want to do is somehow store the information generated
in convert_to_celsius in a variable and send it to
print_celsius to print out the answer after the
Convert button is pressed.
I've looked at the tutorials and the docs and couldn't
find anything, so I thought someone on this mailing
list could give me advice.
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Re: [pygtk] Updating scrolled windows
On Thu, 2006-06-22 at 17:09 -0700, N. French wrote: > I have a gtk.ScrolledWindow that I use as an interactive console (I > take entry from a gtk.Entry and display the results in a gtk.TextView > housed in a gtk.ScrolledWindow). Below is my function to write the > text to the buffer and set the ScrolledWindow's scroll bar to the end. > I want it to behave like an xterm would, new text appears at the bottom > and you scroll upwards to see old stuff. > > This basically works. My problem is it doesn't quite scroll the window > all the way to the bottom, it's always short by one line. > > Any suggestions? > > Thanks, > > Nathan French > Yeah, it doesn't always work unless you make a mark at the end of the buffer. Set the property so that any text inserted will be to the left of the mark. Then scroll_to_mark. That will scroll the text onscreen every time. -- Brian <[EMAIL PROTECTED]> ___ pygtk mailing list pygtk@daa.com.au http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
Re: [pygtk] help with scrollbar
you had lower and upper switched on the adjustment:
try:
adj1 = gtk.Adjustment(32.0, 32.0, 212.0, 0.1, 1.0,
1.0)
http://www.pygtk.org/pygtk2reference/class-gtkadjustment.html
On Fri, 23 Jun 2006 02:36:25 +0200, Christopher Spears
<[EMAIL PROTECTED]> wrote:
I have been trying to teach myself PyGTK. I decided
to create a little GUI with a scrollbar. Using the
scrollbar, I can select the temperature in degrees
Fahrenheit. By clicking on the Convert button, the
GUI displays the corresponding degrees Celsius.
I have made a lot of progress, but for some reason,
the thumb on the scrollbar will not move when I click
and drag it. I asked for help on the Python tutor
mailing list, but there are not a lot of PyGTK experts
on that list. I have looked over the docs and the
tutorial, too. Can someone help me out?
#!/usr/bin/python
import pygtk
pygtk.require('2.0')
import gtk
def convert_to_celsius(widget,data):
degC = (data - 32)/1.8
print "Degrees Celsius: %.2f" % degC
def scale_set_default_values(scale):
scale.set_update_policy(gtk.UPDATE_CONTINUOUS)
scale.set_digits(1)
scale.set_value_pos(gtk.POS_LEFT)
scale.set_draw_value(True)
scale.set_sensitive(True)
class Conversion_GUI:
def __init__(self):
self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
self.window.connect("destroy", lambda w:
gtk.main_quit())
self.window.set_title("Convert to Celsius")
self.window.set_default_size(200,240)
box1 = gtk.VBox(False, 0)
self.window.add(box1)
box2 = gtk.HBox(False, 10)
box2.set_border_width(10)
box1.pack_end(box2, True, True, 0)
box3 = gtk.HBox(False, 10)
box3.set_border_width(10)
box1.pack_end(box3, True, True, 0)
adj1 = gtk.Adjustment(32.0, 212.0, 32.0, 0.1, 1.0,
1.0)
self.vscale = gtk.VScale(adj1)
self.vscale.set_size_request(20, 300)
scale_set_default_values(self.vscale)
box1.pack_start(self.vscale, True, True, 0)
quit_button = gtk.Button("Quit")
quit_button.connect("clicked", lambda
w:gtk.main_quit())
convert_button = gtk.Button("Convert")
convert_button.connect("clicked",
convert_to_celsius, self.vscale.get_value())
box3.pack_start(convert_button, True, True, 0)
box2.pack_start(quit_button, True, True, 0)
self.vscale.show()
convert_button.show()
quit_button.show()
box3.show()
box2.show()
box1.show()
self.window.show()
def main(self):
gtk.main()
return 0
if __name__ == '__main__':
convert = Conversion_GUI()
convert.main()
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[pygtk] help with scrollbar
I have been trying to teach myself PyGTK. I decided
to create a little GUI with a scrollbar. Using the
scrollbar, I can select the temperature in degrees
Fahrenheit. By clicking on the Convert button, the
GUI displays the corresponding degrees Celsius.
I have made a lot of progress, but for some reason,
the thumb on the scrollbar will not move when I click
and drag it. I asked for help on the Python tutor
mailing list, but there are not a lot of PyGTK experts
on that list. I have looked over the docs and the
tutorial, too. Can someone help me out?
#!/usr/bin/python
import pygtk
pygtk.require('2.0')
import gtk
def convert_to_celsius(widget,data):
degC = (data - 32)/1.8
print "Degrees Celsius: %.2f" % degC
def scale_set_default_values(scale):
scale.set_update_policy(gtk.UPDATE_CONTINUOUS)
scale.set_digits(1)
scale.set_value_pos(gtk.POS_LEFT)
scale.set_draw_value(True)
scale.set_sensitive(True)
class Conversion_GUI:
def __init__(self):
self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
self.window.connect("destroy", lambda w:
gtk.main_quit())
self.window.set_title("Convert to Celsius")
self.window.set_default_size(200,240)
box1 = gtk.VBox(False, 0)
self.window.add(box1)
box2 = gtk.HBox(False, 10)
box2.set_border_width(10)
box1.pack_end(box2, True, True, 0)
box3 = gtk.HBox(False, 10)
box3.set_border_width(10)
box1.pack_end(box3, True, True, 0)
adj1 = gtk.Adjustment(32.0, 212.0, 32.0, 0.1, 1.0,
1.0)
self.vscale = gtk.VScale(adj1)
self.vscale.set_size_request(20, 300)
scale_set_default_values(self.vscale)
box1.pack_start(self.vscale, True, True, 0)
quit_button = gtk.Button("Quit")
quit_button.connect("clicked", lambda
w:gtk.main_quit())
convert_button = gtk.Button("Convert")
convert_button.connect("clicked",
convert_to_celsius, self.vscale.get_value())
box3.pack_start(convert_button, True, True, 0)
box2.pack_start(quit_button, True, True, 0)
self.vscale.show()
convert_button.show()
quit_button.show()
box3.show()
box2.show()
box1.show()
self.window.show()
def main(self):
gtk.main()
return 0
if __name__ == '__main__':
convert = Conversion_GUI()
convert.main()
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Re: [pygtk] Updating scrolled windows
Probably not the most insightfull reply, but using a TreeView and catching
the 'row-changed' on the underlying tree-model and subsequently using
TreeView.scroll_to_cell(path) is working nicely on our logger-display. I
think we had trouble with trying to scroll *before* the scroll-bar had had
time to update itself though, presumably something similar may be
happening in your code.
regards
Reidar
our code, GPL'ed:
https://dev.scicraft.org/trac/browser/scicraft-ng/trunk/system/logger.py?format=txt
On Fri, 23 Jun 2006 02:09:35 +0200, N. French <[EMAIL PROTECTED]> wrote:
I have a gtk.ScrolledWindow that I use as an interactive console (I
take entry from a gtk.Entry and display the results in a gtk.TextView
housed in a gtk.ScrolledWindow). Below is my function to write the
text to the buffer and set the ScrolledWindow's scroll bar to the end.
I want it to behave like an xterm would, new text appears at the bottom
and you scroll upwards to see old stuff.
This basically works. My problem is it doesn't quite scroll the window
all the way to the bottom, it's always short by one line.
Any suggestions?
Thanks,
Nathan French
--
def dump_text(self, text):
"""The interface into the scrolling command history window."""
#sys.stderr.write( '** %s' % text)
i = self.dump.get_iter_at_offset(-1)
self.dump.insert(i, text)
self.dumpscroll.emit('scroll-child', gtk.SCROLL_END, False) # this
doesn't work right
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pygtk mailing list pygtk@daa.com.au
http://www.daa.com.au/mailman/listinfo/pygtk
Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
[pygtk] Updating scrolled windows
I have a gtk.ScrolledWindow that I use as an interactive console (I
take entry from a gtk.Entry and display the results in a gtk.TextView
housed in a gtk.ScrolledWindow). Below is my function to write the
text to the buffer and set the ScrolledWindow's scroll bar to the end.
I want it to behave like an xterm would, new text appears at the bottom
and you scroll upwards to see old stuff.
This basically works. My problem is it doesn't quite scroll the window
all the way to the bottom, it's always short by one line.
Any suggestions?
Thanks,
Nathan French
--
def dump_text(self, text):
"""The interface into the scrolling command history window."""
#sys.stderr.write( '** %s' % text)
i = self.dump.get_iter_at_offset(-1)
self.dump.insert(i, text)
self.dumpscroll.emit('scroll-child', gtk.SCROLL_END, False) # this
doesn't work right
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[pygtk] Panel applets gconf
Hi, I am writing a panel applet in python. Now I want to store and retrieve some persistence data. In the C panel applets I have seen people using panel_applet_gconf_get_list, panel_applet_gconf_get_string, etc. Unfortunately, I couldn't find them in gnome-python, so I started to implement them myself (most are trivial extensions by adding a few lines to applets.def, panel_applet_gconf_get_list and panel_applet_gconf_set_list are a bit harder). However, before I continue this effort, perhaps there is another way to accomplish the same more easily and better without using these panel_applet_gconf functions. Moreover the panel_applet_gconf_* functions are poorly documented (well of I can read the source !-). On the other hand, perhaps other people are interested in my effort. Cheers, Hans. signature.asc Description: This is a digitally signed message part ___ pygtk mailing list pygtk@daa.com.au http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
