Is it possible to override non-virtual slots in Qt?
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I would like to run some of my code when the resizeColumnsToContents slot gets called. However the resizeColumnToContents slot is not virtual. Is there any other way to achieve this?
If the slot was virtual this is what I would like to do:
class DerivedTableView : public QTableView
{
public:
void resizeColumnsToContents()
{
printf("The user wants to resize the columnsn");
QTableView::resizeColumnsToContents();
}
};
c++ qt oop
asked Nov 21 at 8:37
katrasnikj
8282818
add a comment |
up vote
0
down vote
favorite
I would like to run some of my code when the resizeColumnsToContents slot gets called. However the resizeColumnToContents slot is not virtual. Is there any other way to achieve this?
If the slot was virtual this is what I would like to do:
class DerivedTableView : public QTableView
{
public:
void resizeColumnsToContents()
{
printf("The user wants to resize the columnsn");
QTableView::resizeColumnsToContents();
}
};
c++ qt oop
asked Nov 21 at 8:37
katrasnikj
8282818
7
You cannot override non virtual function. Who callsresizeColumnsToContentsslot? It's connected to a signal, right? To which one? You can implement your own slot (function) and connect the same signal to that very slot instead.
– vahancho
Nov 21 at 8:40
Ah, great idea. I'll try that. Thank you.
– katrasnikj
Nov 21 at 8:50
1
Ok, I found thatQHeaderView::sectionHandleDoubleClickedsignal calls this slot. Fortunately it is accessible and I can use to connect to my slot. Awesome, thank you.
– katrasnikj
Nov 21 at 9:02
Well you can actually override a non-virtual function as long as you don't call it on a motherclass type pointer, but in your case this is not relevant.
– ymoreau
Nov 21 at 11:16
add a comment |
up vote
0
down vote
favorite
up vote
0
down vote
favorite
I would like to run some of my code when the resizeColumnsToContents slot gets called. However the resizeColumnToContents slot is not virtual. Is there any other way to achieve this?
If the slot was virtual this is what I would like to do:
class DerivedTableView : public QTableView
{
public:
void resizeColumnsToContents()
{
printf("The user wants to resize the columnsn");
QTableView::resizeColumnsToContents();
}
};
c++ qt oop
asked Nov 21 at 8:37
katrasnikj
8282818
I would like to run some of my code when the resizeColumnsToContents slot gets called. However the resizeColumnToContents slot is not virtual. Is there any other way to achieve this?
If the slot was virtual this is what I would like to do:
class DerivedTableView : public QTableView
{
public:
void resizeColumnsToContents()
{
printf("The user wants to resize the columnsn");
QTableView::resizeColumnsToContents();
}
};
c++ qt oop
c++ qt oop
asked Nov 21 at 8:37
katrasnikj
8282818
asked Nov 21 at 8:37
katrasnikj
8282818
asked Nov 21 at 8:37
katrasnikj
8282818
asked Nov 21 at 8:37
katrasnikj
8282818
asked Nov 21 at 8:37
katrasnikj
8282818
8282818
7
You cannot override non virtual function. Who callsresizeColumnsToContentsslot? It's connected to a signal, right? To which one? You can implement your own slot (function) and connect the same signal to that very slot instead.
– vahancho
Nov 21 at 8:40
Ah, great idea. I'll try that. Thank you.
– katrasnikj
Nov 21 at 8:50
1
Ok, I found thatQHeaderView::sectionHandleDoubleClickedsignal calls this slot. Fortunately it is accessible and I can use to connect to my slot. Awesome, thank you.
– katrasnikj
Nov 21 at 9:02
Well you can actually override a non-virtual function as long as you don't call it on a motherclass type pointer, but in your case this is not relevant.
– ymoreau
Nov 21 at 11:16
add a comment |
7
You cannot override non virtual function. Who callsresizeColumnsToContentsslot? It's connected to a signal, right? To which one? You can implement your own slot (function) and connect the same signal to that very slot instead.
– vahancho
Nov 21 at 8:40
Ah, great idea. I'll try that. Thank you.
– katrasnikj
Nov 21 at 8:50
1
Ok, I found thatQHeaderView::sectionHandleDoubleClickedsignal calls this slot. Fortunately it is accessible and I can use to connect to my slot. Awesome, thank you.
– katrasnikj
Nov 21 at 9:02
Well you can actually override a non-virtual function as long as you don't call it on a motherclass type pointer, but in your case this is not relevant.
– ymoreau
Nov 21 at 11:16
7
7
You cannot override non virtual function. Who calls
resizeColumnsToContents slot? It's connected to a signal, right? To which one? You can implement your own slot (function) and connect the same signal to that very slot instead.– vahancho
Nov 21 at 8:40
You cannot override non virtual function. Who calls
resizeColumnsToContents slot? It's connected to a signal, right? To which one? You can implement your own slot (function) and connect the same signal to that very slot instead.– vahancho
Nov 21 at 8:40
Ah, great idea. I'll try that. Thank you.
– katrasnikj
Nov 21 at 8:50
Ah, great idea. I'll try that. Thank you.
– katrasnikj
Nov 21 at 8:50
1
1
Ok, I found that
QHeaderView::sectionHandleDoubleClicked signal calls this slot. Fortunately it is accessible and I can use to connect to my slot. Awesome, thank you.– katrasnikj
Nov 21 at 9:02
Ok, I found that
QHeaderView::sectionHandleDoubleClicked signal calls this slot. Fortunately it is accessible and I can use to connect to my slot. Awesome, thank you.– katrasnikj
Nov 21 at 9:02
Well you can actually override a non-virtual function as long as you don't call it on a motherclass type pointer, but in your case this is not relevant.
– ymoreau
Nov 21 at 11:16
Well you can actually override a non-virtual function as long as you don't call it on a motherclass type pointer, but in your case this is not relevant.
– ymoreau
Nov 21 at 11:16
add a comment |
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7
You cannot override non virtual function. Who calls
resizeColumnsToContentsslot? It's connected to a signal, right? To which one? You can implement your own slot (function) and connect the same signal to that very slot instead.– vahancho
Nov 21 at 8:40
Ah, great idea. I'll try that. Thank you.
– katrasnikj
Nov 21 at 8:50
1
Ok, I found that
QHeaderView::sectionHandleDoubleClickedsignal calls this slot. Fortunately it is accessible and I can use to connect to my slot. Awesome, thank you.– katrasnikj
Nov 21 at 9:02
Well you can actually override a non-virtual function as long as you don't call it on a motherclass type pointer, but in your case this is not relevant.
– ymoreau
Nov 21 at 11:16