Check if button is pressed in QGIS 3 module
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There is a plugin I wrote for QGIS and I added some buttons there.
From main launch Python script I need to check is specific button is clicked and according to that do some stuff.
I saw a default condition in main script:
def run(self):
if self.first_start == True:
self.first_start = False
self.dlg = frame_builderDialog()
self.dlg.show()
result = self.dlg.exec_()
if result:
pass
'or do something'
In this case I can catch event if I had an "OKCancel" button. But I have another simple buttons. I tried to catch them using something like
result_btn = self.dlg.pushButton.clicked
where pushButton is one of the buttons taken from script with dialog, but nothing were returned.
What should be done here?
qgis pyqgis qt pyqt5
edited 16 hours ago
Vince
14.8k32849
asked 18 hours ago
Pavel PereverzevPavel Pereverzev
491211
add a comment |
There is a plugin I wrote for QGIS and I added some buttons there.
From main launch Python script I need to check is specific button is clicked and according to that do some stuff.
I saw a default condition in main script:
def run(self):
if self.first_start == True:
self.first_start = False
self.dlg = frame_builderDialog()
self.dlg.show()
result = self.dlg.exec_()
if result:
pass
'or do something'
In this case I can catch event if I had an "OKCancel" button. But I have another simple buttons. I tried to catch them using something like
result_btn = self.dlg.pushButton.clicked
where pushButton is one of the buttons taken from script with dialog, but nothing were returned.
What should be done here?
qgis pyqgis qt pyqt5
edited 16 hours ago
Vince
14.8k32849
asked 18 hours ago
Pavel PereverzevPavel Pereverzev
491211
add a comment |
There is a plugin I wrote for QGIS and I added some buttons there.
From main launch Python script I need to check is specific button is clicked and according to that do some stuff.
I saw a default condition in main script:
def run(self):
if self.first_start == True:
self.first_start = False
self.dlg = frame_builderDialog()
self.dlg.show()
result = self.dlg.exec_()
if result:
pass
'or do something'
In this case I can catch event if I had an "OKCancel" button. But I have another simple buttons. I tried to catch them using something like
result_btn = self.dlg.pushButton.clicked
where pushButton is one of the buttons taken from script with dialog, but nothing were returned.
What should be done here?
qgis pyqgis qt pyqt5
edited 16 hours ago
Vince
14.8k32849
asked 18 hours ago
Pavel PereverzevPavel Pereverzev
491211
There is a plugin I wrote for QGIS and I added some buttons there.
From main launch Python script I need to check is specific button is clicked and according to that do some stuff.
I saw a default condition in main script:
def run(self):
if self.first_start == True:
self.first_start = False
self.dlg = frame_builderDialog()
self.dlg.show()
result = self.dlg.exec_()
if result:
pass
'or do something'
In this case I can catch event if I had an "OKCancel" button. But I have another simple buttons. I tried to catch them using something like
result_btn = self.dlg.pushButton.clicked
where pushButton is one of the buttons taken from script with dialog, but nothing were returned.
What should be done here?
qgis pyqgis qt pyqt5
qgis pyqgis qt pyqt5
edited 16 hours ago
Vince
14.8k32849
asked 18 hours ago
Pavel PereverzevPavel Pereverzev
491211
edited 16 hours ago
Vince
14.8k32849
asked 18 hours ago
Pavel PereverzevPavel Pereverzev
491211
edited 16 hours ago
Vince
14.8k32849
edited 16 hours ago
Vince
14.8k32849
edited 16 hours ago
Vince
14.8k32849
14.8k32849
asked 18 hours ago
Pavel PereverzevPavel Pereverzev
491211
asked 18 hours ago
Pavel PereverzevPavel Pereverzev
491211
asked 18 hours ago
Pavel PereverzevPavel Pereverzev
491211
491211
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
In python you have "events" and "events handler". when an event occurs they usually (not always...) generate a signal that can be caught by the event handler.
for example :
curLayer.selectionChanged.connect(self.test)
the event is selectionChanged and the event handler is the function handling the signal received (in that case the handler should be a function (written by you) called test (or any other naming ofc).
your snippet :
result_btn = self.dlg.pushButton.clicked
Is meaningless (imho ...)
So ... in your case u should try an
self.dlg.pushButton.clicked.connect(self.my_event_handler)
And write an my_event_handler function of course.
answered 17 hours ago
snaileatersnaileater
1,629613
add a comment |
You could connect the pushButton to a function so that when it is clicked, it will do something:
result_btn = self.dlg.pushButton.clicked.connect(self.someFunction)
answered 17 hours ago
JosephJoseph
58.7k7101206
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
In python you have "events" and "events handler". when an event occurs they usually (not always...) generate a signal that can be caught by the event handler.
for example :
curLayer.selectionChanged.connect(self.test)
the event is selectionChanged and the event handler is the function handling the signal received (in that case the handler should be a function (written by you) called test (or any other naming ofc).
your snippet :
result_btn = self.dlg.pushButton.clicked
Is meaningless (imho ...)
So ... in your case u should try an
self.dlg.pushButton.clicked.connect(self.my_event_handler)
And write an my_event_handler function of course.
answered 17 hours ago
snaileatersnaileater
1,629613
add a comment |
In python you have "events" and "events handler". when an event occurs they usually (not always...) generate a signal that can be caught by the event handler.
for example :
curLayer.selectionChanged.connect(self.test)
the event is selectionChanged and the event handler is the function handling the signal received (in that case the handler should be a function (written by you) called test (or any other naming ofc).
your snippet :
result_btn = self.dlg.pushButton.clicked
Is meaningless (imho ...)
So ... in your case u should try an
self.dlg.pushButton.clicked.connect(self.my_event_handler)
And write an my_event_handler function of course.
answered 17 hours ago
snaileatersnaileater
1,629613
add a comment |
In python you have "events" and "events handler". when an event occurs they usually (not always...) generate a signal that can be caught by the event handler.
for example :
curLayer.selectionChanged.connect(self.test)
the event is selectionChanged and the event handler is the function handling the signal received (in that case the handler should be a function (written by you) called test (or any other naming ofc).
your snippet :
result_btn = self.dlg.pushButton.clicked
Is meaningless (imho ...)
So ... in your case u should try an
self.dlg.pushButton.clicked.connect(self.my_event_handler)
And write an my_event_handler function of course.
answered 17 hours ago
snaileatersnaileater
1,629613
In python you have "events" and "events handler". when an event occurs they usually (not always...) generate a signal that can be caught by the event handler.
for example :
curLayer.selectionChanged.connect(self.test)
the event is selectionChanged and the event handler is the function handling the signal received (in that case the handler should be a function (written by you) called test (or any other naming ofc).
your snippet :
result_btn = self.dlg.pushButton.clicked
Is meaningless (imho ...)
So ... in your case u should try an
self.dlg.pushButton.clicked.connect(self.my_event_handler)
And write an my_event_handler function of course.
answered 17 hours ago
snaileatersnaileater
1,629613
edited 15 hours ago
answered 17 hours ago
snaileatersnaileater
1,629613
answered 17 hours ago
snaileatersnaileater
1,629613
answered 17 hours ago
snaileatersnaileater
1,629613
1,629613
add a comment |
add a comment |
You could connect the pushButton to a function so that when it is clicked, it will do something:
result_btn = self.dlg.pushButton.clicked.connect(self.someFunction)
answered 17 hours ago
JosephJoseph
58.7k7101206
add a comment |
You could connect the pushButton to a function so that when it is clicked, it will do something:
result_btn = self.dlg.pushButton.clicked.connect(self.someFunction)
answered 17 hours ago
JosephJoseph
58.7k7101206
add a comment |
You could connect the pushButton to a function so that when it is clicked, it will do something:
result_btn = self.dlg.pushButton.clicked.connect(self.someFunction)
answered 17 hours ago
JosephJoseph
58.7k7101206
You could connect the pushButton to a function so that when it is clicked, it will do something:
result_btn = self.dlg.pushButton.clicked.connect(self.someFunction)
answered 17 hours ago
JosephJoseph
58.7k7101206
answered 17 hours ago
JosephJoseph
58.7k7101206
answered 17 hours ago
JosephJoseph
58.7k7101206
answered 17 hours ago
JosephJoseph
58.7k7101206
58.7k7101206
add a comment |
add a comment |
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