A event filter for watching for focus events on a parent object. Usually QObjects must subclass and override methods like focusOutEvent to handle focus events. Using this class as an event filter avoids the need to subclass objects and the focus events can be directly caught using the emitted signals.
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#include <qgsfocuswatcher.h>
A event filter for watching for focus events on a parent object. Usually QObjects must subclass and override methods like focusOutEvent to handle focus events. Using this class as an event filter avoids the need to subclass objects and the focus events can be directly caught using the emitted signals.
- Since
- QGIS 2.16
Definition at line 33 of file qgsfocuswatcher.h.
◆ QgsFocusWatcher()
| QgsFocusWatcher::QgsFocusWatcher |
( |
QObject * |
parent | ) |
|
|
explicit |
Constructor for QgsFocusWatcher.
- Parameters
-
| parent | parent widget to catch focus events for. This class will automatically be installed as an event filter for parent. |
Definition at line 19 of file qgsfocuswatcher.cpp.
◆ eventFilter()
| bool QgsFocusWatcher::eventFilter |
( |
QObject * |
obj, |
|
|
QEvent * |
event |
|
) |
| |
|
override |
◆ focusChanged
| void QgsFocusWatcher::focusChanged |
( |
bool |
focused | ) |
|
|
signal |
Emitted when parent object's focus changes.
- Parameters
-
| focused | true if object gained focus, false if object lost focus |
◆ focusIn
| void QgsFocusWatcher::focusIn |
( |
| ) |
|
|
signal |
Emitted when parent object gains focus.
◆ focusOut
| void QgsFocusWatcher::focusOut |
( |
| ) |
|
|
signal |
Emitted when parent object loses focus.
The documentation for this class was generated from the following files:
