MATLAB REAL-TIME WORKSHOP 7 - TARGET LANGUAGE COMPILER Uživatelský manuál stáhnout pdf (Strana 295)

100

101

Writing Event Handlers

7-9

function myclick(varargin)

disp('Single click function')

function my2click(varargin)

disp('Double click function')

function mymoused(varargin)

disp('You have reached the mouse down function')

disp('The X position is: ')

varargin(5)

disp('The Y position is: ')

varargin(6)

You can use the same event handler for all the events you want to monitor

using the cell array pairs. Response time will be better than using the callback

style.

For instance

h = actxcontrol('SELECTOR.SelectorCtrl.1', [0 0 200 200], f, ...

{'Click' 'allevents'; 'DblClick' 'allevents'; ...

'MouseDown' 'allevents'})

and allevents.m is

function allevents(varargin)

if (varargin{2} = -600)

disp ('Single Click Event Fired')

elseif (varargin{2} = -601)

disp ('Double Click Event Fired')

elseif (varargin{2} = -605)

disp ('Mousedown Event Fired')

end

Note MATLAB does not support event arguments passed by reference or

return values from events.

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