I trying to get a check box to work on a gui
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I have created a gui for a robot maze. I have a check box, when its checked i want it to show the bath of the robot when its not I dont want it to show the path. This is the function I a have written for it but it doesn't do what I need it to do.
createRandomMaze
figure;
first_button = uicontrol('style', 'pushbutton');
set(first_button, 'units', 'normalized', 'position', [0.2,0.7, 0.2, 0.2])
set(first_button, 'string', 'turn left')
set(first_button, 'callback', @turnLeft)
second_button = uicontrol('style', 'pushbutton');
set(second_button, 'units', 'normalized', 'position', [0.4, 0.7, 0.2, 0.2])
set(second_button, 'string', 'step')
set(second_button, 'callback', @step)
third_button = uicontrol('style', 'pushbutton');
set(third_button, 'units', 'normalized', 'position', [0.6, 0.7, 0.2, 0.2])
set(third_button, 'string', 'turn right')
set(third_button, 'callback', @turnRight)
fourth_button = uicontrol('style', 'pushbutton');
set(fourth_button, 'units', 'normalized', 'position', [0.2, 0.5, 0.2, 0.2])
set(fourth_button, 'string', 'left')
set(fourth_button, 'callback', @stepLeft)
fifth_button = uicontrol('style', 'pushbutton');
set(fifth_button, 'units', 'normalized', 'position', [0.4, 0.5, 0.2, 0.2])
set(fifth_button, 'string', 'back')
set(fifth_button, 'callback', @stepBack)
sixth_button = uicontrol('style', 'pushbutton');
set(sixth_button, 'units', 'normalized', 'position', [0.6, 0.5, 0.2, 0.2])
set(sixth_button, 'string', 'right')
set(sixth_button, 'callback',@stepRight)
seventh_button = uicontrol ('style','checkbox');
set(seventh_button, 'units', 'normalized', 'position', [0.2, 0.3, 0.2, 0.2])
set(seventh_button, 'string', 'History')
set(seventh_button, 'callback', @toggleHistory)
eighth_button = uicontrol ('style', 'edit');
set(eighth_button, 'units', 'normalized', 'position', [0.4, 0.37, 0.2, 0.05])
set(eighth_button, 'string', '2')
ninth_button = uicontrol('style','pushbutton');
set(ninth_button, 'units', 'normalized', 'position', [0.6, 0.3, 0.2, 0.2])
set(ninth_button, 'string', 'Run!')
set(ninth_button, 'callback', @Run)
ninth_button.Callback = 'number_of_steps = str2num(eighth_button.String); walk(number_of_steps)';
function toggleHistory(sender, eventdata)
if sender.Value == 1
disp showHistory
else
disp hideHistory
end
end
function Run(sender, eventdata)
step_input = (['eighth_button', 'string']);
if ~strcmp(step_input, ' ');
number_of_steps = str2num(step_input);
walk(number_of_steps);
end
end
function turnRight
turnLeft();
turnLeft();
turnLeft();
end
function stepLeft
turnLeft();
step();
turnRight();
end
function stepRight
turnRight();
step();
turnRight();
end
function stepBack
turnLeft();
turnLeft();
step();
turnRight();
end
function turnLeft
turnRight();
turnRight();
turnRight();
step
end
function step
step();
end
function steps_made_successfully = walk(number_of_steps)
steps_made_successfully = 0;
for i=1:number_of_steps
if is_clear()steps_made_successfully = steps_made_successfully + 1;
move_forward();
else
break;
end
end
end
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回答(1 个)
Image Analyst
2022-12-2
As I check or uncheck the box (badly called "seventh_button") it does display the words according to the value of the checkbox:
showHistory
hideHistory
showHistory
hideHistory
showHistory
hideHistory
so I'm not sure what you're asking. It seems to do what you told it to do.
2 个评论
Image Analyst
2022-12-2
You need to get the handle to the line when you plot it.
plotHandle = plot(x, y);
Then call
delete(plotHandle)
when you want to erase the line. Then when the box is checked call plot again.
另请参阅
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