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2010-02-17
, 20:13
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Posts: 3,319 |
Thanked: 5,610 times |
Joined on Aug 2008
@ Finland
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#22
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Originally Posted by noobmonkey
self.connect(self.myButton, QtCore.SIGNAL("clicked()"), self.clickFoo)
[*]Can someone explain simply how i get a button to call a function please? - i understand the "def part" - created a function, but really can't figure out how to simply call it from the button... is there any easy guide?
(obviously the exact object names will differ, but you get the idea)
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Blogging about mobile linux - The Penguin Moves!
Maintainer of PyQt (see introduction and docs), AppWatch, QuickBrownFox, etc
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2010-02-17
, 20:15
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Posts: 3,203 |
Thanked: 1,391 times |
Joined on Nov 2009
@ Worthing, England
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#23
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Originally Posted by attila77
meh ok maybe i needed more, as that doesnt explain where the function name is that i am calling..... which is where i am getting confused....
self.connect(self.myButton, QtCore.SIGNAL("clicked()"), self.clickFoo)
(obviously the exact object names will differ, but you get the idea)
That starts a signal...?!(i think?)
I then need to figure out how to catch that and run a function?! lol
or is that the self.clickFoo part? (if the function is not part of the same class is it just clickFoo? )
(Or is it just me being confuzzled?)
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2010-02-17
, 20:20
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Posts: 3,428 |
Thanked: 2,856 times |
Joined on Jul 2008
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#24
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Originally Posted by noobmonkey
Yes to the last.. I guess my tutorial wasn't clear enough.. this is exactly what it is demonstrating.
meh ok maybe i needed more, as that doesnt explain where the function name is that i am calling..... which is where i am getting confused....
That starts a signal...?!(i think?)
I then need to figure out how to catch that and run a function?! lol
or is that the self.clickFoo part? (if the function is not part of the same class is it just clickFoo? )
(Or is it just me being confuzzled?)
That last part in his signal: self.clickFoo() < the function name is clickFoo().
If you use "self." that means within the same class as you are connecting the signal too. So you'll create def clickFoo: within the QT class for the main window.
If you want to call functions from other places.. you would pass the appropriate object to the function call in the self.clickFoo() part. If it's a global function, just "clickFoo()", etc.
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2010-02-17
, 20:23
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Posts: 3,203 |
Thanked: 1,391 times |
Joined on Nov 2009
@ Worthing, England
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#25
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Originally Posted by fatalsaint
Ahaaaaaaaaa!!!!
Yes to the last.. I guess my tutorial wasn't clear enough.. this is exactly what it is demonstrating.
That last part in his signal: self.clickFoo() < the function name is clickFoo().
If you use "self." that means within the same class as you are connecting the signal too. So you'll create def clickFoo: within the QT class for the main window.
If you want to call functions from other places.. you would pass the appropriate object to the function call in the self.clickFoo() part. If it's a global function, just "clickFoo()", etc.
Superb, will finish my commenting so it is a bit tidier! - then give it a go!
Thank you so much for your help
(Would thank by donating towards your N900 - but no way near payday! hehe)
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2010-02-17
, 21:58
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Posts: 3,203 |
Thanked: 1,391 times |
Joined on Nov 2009
@ Worthing, England
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#26
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ok well tried it....
my class is
class Ui_MainWindow(object):
The error is:
Attribute error: 'UI_MainWindow' object has no attribute 'connect'
Button call in class, sub function, def setupUi(self, MainWindow):
self.connect(self.pushButton, QtCore.SIGNAL("clicked()"), self.updateTab1)
Function in Class:
def updateTab1(self, MainWindow):
my class is
class Ui_MainWindow(object):
The error is:
Attribute error: 'UI_MainWindow' object has no attribute 'connect'
Button call in class, sub function, def setupUi(self, MainWindow):
self.connect(self.pushButton, QtCore.SIGNAL("clicked()"), self.updateTab1)
Function in Class:
def updateTab1(self, MainWindow):
__________________
----------- Follow me on Twitter here
----------- My Photography Website and Blog is here
----------- Author of the N900 Health Check Application ----------- New Version in Extras Devel (Dec 2010 - 2.9.10)
----------- Are you on the N900 World Map? - http://pininthemap.com/maemo - masterpin: shotgun
----------- What apps do you want to see on the n900 or in MeeGo in the future? -
----------- Follow me on Twitter here
----------- My Photography Website and Blog is here
----------- Author of the N900 Health Check Application ----------- New Version in Extras Devel (Dec 2010 - 2.9.10)
----------- Are you on the N900 World Map? - http://pininthemap.com/maemo - masterpin: shotgun
----------- What apps do you want to see on the n900 or in MeeGo in the future? -
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2010-02-17
, 21:59
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Posts: 3,428 |
Thanked: 2,856 times |
Joined on Jul 2008
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#27
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Originally Posted by noobmonkey
If you do it that way You might need self.ui.btnName.connect....
ok well tried it....
my class is
class Ui_MainWindow(object):
The error is:
Attribute error: 'UI_MainWindow' object has no attribute 'connect'
Button call in class, sub function, def setupUi(self, MainWindow):
self.connect(self.pushButton, QtCore.SIGNAL("clicked()"), self.updateTab1)
Function in Class:
def updateTab1(self, MainWindow):
Do it like I do it in my tutorial
Code:
QtCore.QObject.connect(self.ui.btnAdd, QtCore.SIGNAL('clicked()'), self.doAdd)
Code:
self.ui = Ui_MainWindow()
Wait - looking at your code - are you using pyuic4 or did you write your own qt interface in the code?
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Last edited by fatalsaint; 2010-02-17 at 22:02.
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2010-02-17
, 22:05
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Posts: 3,203 |
Thanked: 1,391 times |
Joined on Nov 2009
@ Worthing, England
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#28
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Originally Posted by fatalsaint
Lol woulda helped if i had spelt the button name correctly - missed the _hw part!
If you do it that way You might need self.ui.btnName.connect....
Do it like I do it in my tutorial
ETA: Also self.pushButton I don't think is going to work.. do you have a line similar to:Code:QtCore.QObject.connect(self.ui.btnAdd, QtCore.SIGNAL('clicked()'), self.doAdd)
Then you need to use self.ui.pushButton...Code:self.ui = Ui_MainWindow()
Wait - looking at your code - are you using pyuic4 or did you write your own qt interface in the code?
And yes finally, your qtcore bit worked!! - well i hope it did.... I picked the one thing to try that wasn't going to change - the GPS location! lol....
Will try the accellerometer stuff now!
P.s. have i told you i love you recently?
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----------- Author of the N900 Health Check Application ----------- New Version in Extras Devel (Dec 2010 - 2.9.10)
----------- Are you on the N900 World Map? - http://pininthemap.com/maemo - masterpin: shotgun
----------- What apps do you want to see on the n900 or in MeeGo in the future? -
----------- Follow me on Twitter here
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----------- Author of the N900 Health Check Application ----------- New Version in Extras Devel (Dec 2010 - 2.9.10)
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2010-02-17
, 22:06
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Posts: 3,203 |
Thanked: 1,391 times |
Joined on Nov 2009
@ Worthing, England
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#29
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Originally Posted by fatalsaint
ickle bit of both
If you do it that way You might need self.ui.btnName.connect....
Wait - looking at your code - are you using pyuic4 or did you write your own qt interface in the code?
__________________
----------- Follow me on Twitter here
----------- My Photography Website and Blog is here
----------- Author of the N900 Health Check Application ----------- New Version in Extras Devel (Dec 2010 - 2.9.10)
----------- Are you on the N900 World Map? - http://pininthemap.com/maemo - masterpin: shotgun
----------- What apps do you want to see on the n900 or in MeeGo in the future? -
----------- Follow me on Twitter here
----------- My Photography Website and Blog is here
----------- Author of the N900 Health Check Application ----------- New Version in Extras Devel (Dec 2010 - 2.9.10)
----------- Are you on the N900 World Map? - http://pininthemap.com/maemo - masterpin: shotgun
----------- What apps do you want to see on the n900 or in MeeGo in the future? -
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2010-02-17
, 22:08
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Posts: 3,428 |
Thanked: 2,856 times |
Joined on Jul 2008
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#30
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Originally Posted by noobmonkey
Ew. Note to noobmonkey: If you use pyuic4 to convert a ui.. don't modify that code directly. That gets ugly and messy and then you can't modify it again with QT Designer.
ickle bit of both
It's just bad mojo.
Have a separate class in your main .py file that calls the UI class and put everything into that. So much cleaner.. and then you can open/edit/save/convert your UI all day long and never have to change a lick of code.
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| Tags |
| code, health check, n900, python |
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i got a function working 15 mins ago! - and i'm now commenting my work, so once that is done, i'm goi ng to try and split it into more functions
----------- Follow me on Twitter here
----------- My Photography Website and Blog is here
----------- Author of the N900 Health Check Application ----------- New Version in Extras Devel (Dec 2010 - 2.9.10)
----------- Are you on the N900 World Map? - http://pininthemap.com/maemo - masterpin: shotgun
----------- What apps do you want to see on the n900 or in MeeGo in the future? -