|  | OpenCV
    3.4.9
    Open Source Computer Vision | 
This class represents a keyboard event. More...
#include <opencv2/viz/types.hpp>
| Public Types | |
| enum | { NONE = 0, ALT = 1, CTRL = 2, SHIFT = 4 } | 
| enum | Action { KEY_UP = 0, KEY_DOWN = 1 } | 
| Public Member Functions | |
| KeyboardEvent (Action action, const String &symbol, unsigned char code, int modifiers) | |
| Constructs a KeyboardEvent.  More... | |
| Public Attributes | |
| Action | action | 
| unsigned char | code | 
| int | modifiers | 
| String | symbol | 
This class represents a keyboard event.
| cv::viz::KeyboardEvent::KeyboardEvent | ( | Action | action, | 
| const String & | symbol, | ||
| unsigned char | code, | ||
| int | modifiers | ||
| ) | 
Constructs a KeyboardEvent.
| action | Signals if key is pressed or released. | 
| symbol | Name of the key. | 
| code | Code of the key. | 
| modifiers | Signals if alt, ctrl or shift are pressed or their combination. | 
| Action cv::viz::KeyboardEvent::action | 
| unsigned char cv::viz::KeyboardEvent::code | 
| int cv::viz::KeyboardEvent::modifiers | 
| String cv::viz::KeyboardEvent::symbol | 
 1.8.13
 1.8.13