python - How to get current value from PyQt comboBox -


i using pyqt designer , converting using pyuic4.
ui file has combobox looks this:

    self.combobox = qtgui.qcombobox(self.groupbox_3)     self.combobox.setgeometry(qtcore.qrect(20, 30, 81, 22))     self.combobox.setobjectname(_fromutf8("combobox"))     self.combobox.additem(_fromutf8(""))     self.combobox.additem(_fromutf8(""))     self.combobox.additem(_fromutf8(""))     self.combobox.additem(_fromutf8(""))     self.combobox.additem(_fromutf8(""))     self.combobox.additem(_fromutf8(""))     self.combobox.additem(_fromutf8(""))     self.combobox.additem(_fromutf8(""))     self.combobox.additem(_fromutf8(""))     self.combobox.additem(_fromutf8(""))     self.combobox.additem(_fromutf8(""))     self.combobox.additem(_fromutf8(""))

so can see, text put in combo box doesnt show in part of code, show in gui.

usually when have user selection, radio button, can check:

if self.rankle.ischecked():

i can similar things input text. trying logic combobox, want self.combobox.gettext() , return string user has selected. tried doing items on http://pyqt.sourceforge.net/docs/pyqt4/qcombobox.html cant work.

for example, code:

self.combobox.activated()

returns error message: 

typeerror: native qt signal not callable

i have tried use itemdata() still receive error:

typeerror: qcombobox.itemdata(int, int role=qt.userrole): not enough arguments

i doing inside of callback, first this: 

self.analyzebutton.clicked.connect(self._analyzedata)

then inside function _analyzedata trying text of current combobox item.

so, possible?

thanks

well, errors, aren't pretty self-explanatory ? :-)

from documentation linked :

void activated (int)

this default overload of signal.this signal sent when user chooses item in combobox. item's index passed. note signal sent when choice not changed. if need know when choice changes, use signal currentindexchanged().

as qt signal cannot directly called: can emitted, , can create slot called when happens.

qvariant qcombobox.itemdata (self, int index, int role = qt.userrole)

returns data given role in given index in combobox, or qvariant.invalid if there no data role.

see setitemdata().

the role parameter has default value can omit it, have give index.

glad found solution anyway !


Comments

Post a Comment

Popular posts from this blog

Why does Ruby on Rails generate add a blank line to the end of a file? -

running rails generate controller foo home results in: class foocontroller < application controller def home end end (there's nothing on line in actual file, blank line) is there purpose blank line? it's common use newline indicate end of line, last line. many editors (like vi, use) add in newline silently. consensus text files (especially in unix world) should end in newline, , there have been problems historically if wasn't present. why should text files end newline? the tool used count lines in file "wc" counts newlines in file, without trailing newline show 3 instead of 4. it improves readability of templates used in generator. consider: https://github.com/rails/rails/blob/master/railties/lib/rails/generators/rails/controller/templates/controller.rb to remove trailing newline, template have last line of: end<% end -%> instead of: end <% end -%> that seems less readable me. the discussion below refers
Read more

keyboard - Smiles and long press feature in Android -

i've created android keyboard. how add features inserting smilies, , using long keypresses display symbols? to create long-press behavior allows select several options pop-up menu, follow guide (specifically pop-up menu section): http://developer.android.com/guide/topics/ui/menus.html smileys (also known emoticons) combination of keys, understood programs , parsed same way. have do, when clicks smiley face on keyboard, simulate pressing of key combination matching emoticon. example, when clicks smiley, should simulate key presses ':' , ')' :). here's list of emoticons: http://en.wikipedia.org/wiki/list_of_emoticons
Read more

node.js - Bad Request - node js ajax post -

i'm using express 3.0 , node v0.11.0. have button submits form , i'm using ajax post data json object node server. client code is: $('#contact').submit(function(e) { console.log('submit called'); var formdata = json.stringify($('form').serializeobject()); console.log(formdata); $.ajax({ url: "http://localhost:3000/savedata/", type: "post", datatype: 'json', data: {objectdata: formdata}, contenttype: "application/json", complete: function() { console.log('process complete'); }, success: function(data) { console.log('process sucess'); }, error: function() { console.log('process error'); }, }); return false; }); then on server: var express = require('express'); var app = express(); app.set('views', __dirname + '/views'); app.set('view engine', 'jade'); app.use(express.bodyparser());
Read more