Discussion :

[alizeL]

Bonjour,
J'essaye de créer une interface graphique que GUIDE de Matlab.
Pour l'instant mon exemple est une simple addition. On rentre les deux facteurs par un textedit et en appuyant sur un bouton on obtient le résultat.
Je souhaite récupérer les facteurs et le résultat en sortie.
En suivant l'exemple donné dans la foire aux questions j'ai ce code :

Code :

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function varargout = myadder(varargin)
% MYADDER MATLAB code for myadder.fig
%      MYADDER, by itself, creates a new MYADDER or raises the existing
%      singleton*.
%
%      H = MYADDER returns the handle to a new MYADDER or the handle to
%      the existing singleton*.
%
%      MYADDER('CALLBACK',hObject,eventData,handles,...) calls the local
%      function named CALLBACK in MYADDER.M with the given input arguments.
%
%      MYADDER('Property','Value',...) creates a new MYADDER or raises the
%      existing singleton*.  Starting from the left, property value pairs are
%      applied to the GUI before myadder_OpeningFcn gets called.  An
%      unrecognized property name or invalid value makes property application
%      stop.  All inputs are passed to myadder_OpeningFcn via varargin.
%
%      *See GUI Options on GUIDE's Tools menu.  Choose "GUI allows only one
%      instance to run (singleton)".
%
% See also: GUIDE, GUIDATA, GUIHANDLES
 
% Edit the above text to modify the response to help myadder
 
% Last Modified by GUIDE v2.5 22-Jun-2017 15:35:59
 
% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name',       mfilename, ...
                   'gui_Singleton',  gui_Singleton, ...
                   'gui_OpeningFcn', @myadder_OpeningFcn, ...
                   'gui_OutputFcn',  @myadder_OutputFcn, ...
                   'gui_LayoutFcn',  [] , ...
                   'gui_Callback',   []);
if nargin && ischar(varargin{1})
    gui_State.gui_Callback = str2func(varargin{1});
end
 
if nargout
    [varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});
else
    gui_mainfcn(gui_State, varargin{:});
end
% End initialization code - DO NOT EDIT
 
 
% --- Executes just before myadder is made visible.
function myadder_OpeningFcn(hObject, eventdata, handles, varargin)
% This function has no output args, see OutputFcn.
% hObject    handle to figure
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
% varargin   command line arguments to myadder (see VARARGIN)
 
% Choose default command line output for myadder
handles.output = hObject;
 
% Update handles structure
guidata(hObject, handles);
 
% UIWAIT makes myadder wait for user response (see UIRESUME)
 uiwait(handles.figure1);
 
 
% --- Outputs from this function are returned to the command line.
function varargout = myadder_OutputFcn(hObject, eventdata, handles) 
% varargout  cell array for returning output args (see VARARGOUT);
% hObject    handle to figure
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
 
% Get default command line output from handles structure
varargout{1} = handles;
 
 
 
 
function Input1_Callback(hObject, eventdata, handles)
% hObject    handle to Input1 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
input = str2num(get(hObject, 'String'));
 
if (isempty(input))
    set(hObject, 'String', '0');
end
 
% Hints: get(hObject,'String') returns contents of Input1 as text
%        str2double(get(hObject,'String')) returns contents of Input1 as a double
 
 
% --- Executes during object creation, after setting all properties.
function Input1_CreateFcn(hObject, eventdata, handles)
% hObject    handle to Input1 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called
 
% Hint: edit controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end
 
 
 
function Input2_Callback(hObject, eventdata, handles)
% hObject    handle to Input2 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
input = str2num(get(hObject, 'String'));
 
if (isempty(input))
    set(hObject, 'String', '0');
end
 
% Hints: get(hObject,'String') returns contents of Input2 as text
%        str2double(get(hObject,'String')) returns contents of Input2 as a double
 
 
% --- Executes during object creation, after setting all properties.
function Input2_CreateFcn(hObject, eventdata, handles)
% hObject    handle to Input2 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called
 
% Hint: edit controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end
 
 
% --- Executes on button press in add.
function add_Callback(hObject, eventdata, handles)
% hObject    handle to add (see GCBO)
 
a = get(handles.Input1, 'String');
b = get(handles.Input2, 'String');
 
total = str2num(a) + str2num(b);
 
 
c=num2str(total);
 
set(handles.answer,'String', c);
 
 
 
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

Mais quand je le fais tourner, aucunes sorties n'est renvoyées et je ne comprends pas pourquoi.
Quelqu'un peut m'aider?
Merci d'avance !

[Jerome Briot]

Essaie ceci :

Code :

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function varargout = myadder(varargin)
% MYADDER MATLAB code for myadder.fig
%      MYADDER, by itself, creates a new MYADDER or raises the existing
%      singleton*.
%
%      H = MYADDER returns the handle to a new MYADDER or the handle to
%      the existing singleton*.
%
%      MYADDER('CALLBACK',hObject,eventData,handles,...) calls the local
%      function named CALLBACK in MYADDER.M with the given input arguments.
%
%      MYADDER('Property','Value',...) creates a new MYADDER or raises the
%      existing singleton*.  Starting from the left, property value pairs are
%      applied to the GUI before myadder_OpeningFcn gets called.  An
%      unrecognized property name or invalid value makes property application
%      stop.  All inputs are passed to myadder_OpeningFcn via varargin.
%
%      *See GUI Options on GUIDE's Tools menu.  Choose "GUI allows only one
%      instance to run (singleton)".
%
% See also: GUIDE, GUIDATA, GUIHANDLES
 
% Edit the above text to modify the response to help myadder
 
% Last Modified by GUIDE v2.5 22-Jun-2017 15:35:59
 
% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name',       mfilename, ...
                   'gui_Singleton',  gui_Singleton, ...
                   'gui_OpeningFcn', @myadder_OpeningFcn, ...
                   'gui_OutputFcn',  @myadder_OutputFcn, ...
                   'gui_LayoutFcn',  [] , ...
                   'gui_Callback',   []);
if nargin && ischar(varargin{1})
    gui_State.gui_Callback = str2func(varargin{1});
end
 
if nargout
    [varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});
else
    gui_mainfcn(gui_State, varargin{:});
end
% End initialization code - DO NOT EDIT
 
 
% --- Executes just before myadder is made visible.
function myadder_OpeningFcn(hObject, eventdata, handles, varargin)
% This function has no output args, see OutputFcn.
% hObject    handle to figure
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
% varargin   command line arguments to myadder (see VARARGIN)
 
% Choose default command line output for myadder
handles.output = hObject;
 
% Update handles structure
guidata(hObject, handles);
 
% UIWAIT makes myadder wait for user response (see UIRESUME)
 uiwait(handles.figure1);
 
 
% --- Outputs from this function are returned to the command line.
function varargout = myadder_OutputFcn(hObject, eventdata, handles) 
% varargout  cell array for returning output args (see VARARGOUT);
% hObject    handle to figure
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
 
% Get default command line output from handles structure
varargout{1} = get(handles.Input1, 'String');
varargout{2} = get(handles.Input2, 'String');
varargout{3} = handles.answer;
 
 
 
 
function Input1_Callback(hObject, eventdata, handles)
% hObject    handle to Input1 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
input = str2num(get(hObject, 'String'));
 
if (isempty(input))
    set(hObject, 'String', '0');
end
 
% Hints: get(hObject,'String') returns contents of Input1 as text
%        str2double(get(hObject,'String')) returns contents of Input1 as a double
 
 
% --- Executes during object creation, after setting all properties.
function Input1_CreateFcn(hObject, eventdata, handles)
% hObject    handle to Input1 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called
 
% Hint: edit controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end
 
 
 
function Input2_Callback(hObject, eventdata, handles)
% hObject    handle to Input2 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
input = str2num(get(hObject, 'String'));
 
if (isempty(input))
    set(hObject, 'String', '0');
end
 
% Hints: get(hObject,'String') returns contents of Input2 as text
%        str2double(get(hObject,'String')) returns contents of Input2 as a double
 
 
% --- Executes during object creation, after setting all properties.
function Input2_CreateFcn(hObject, eventdata, handles)
% hObject    handle to Input2 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called
 
% Hint: edit controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end
 
 
% --- Executes on button press in add.
function add_Callback(hObject, eventdata, handles)
% hObject    handle to add (see GCBO)
 
a = get(handles.Input1, 'String');
b = get(handles.Input2, 'String');
 
total = str2num(a) + str2num(b);
 
handles.answer = num2str(total);
 
guidata(hObject, handles)
 
 
 
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

À utiliser comme ceci :

Code :

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[a, b, c] = myadder

[alizeL]

Bonjour,
En essayant votre code j'ai cette erreur :

Code :

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Struct contents reference from a non-struct array object.

[Jerome Briot]

Peux-tu nous envoyer le fichier myadder.m et le fichier myadder.fig (mis dans une archive zip ou rar) ?

[alizeL]

Archive.zip

[Jerome Briot]

L'objet Figure est détruit avant que la fonction myadder_OutputFcn ne soit appelée.
La structure handles n'est donc plus accessible.

Je te joins une version fonctionnelle

Tu remarqueras l'ajout de la fonction figure1_CloseRequestFcn qui empêche la destruction de la structure handles.

[alizeL]

Merci beaucoup !!

[alizeL]

J'ai un autre petit problème que je ne comprends pas.

j'ai supprimé ces deux lignes du code pour mettre un bouton qui ferme l'interface.

Code :

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1
2
uiwait(handles.figure1); 
delete(handles.figure1);

Le code fonctionne mais il ne me renvoie pas les bonnes valeurs.
J'ai l'impression qu'il ne prend pas en compte les modifications des variables et reste bloqué à leur initialisation.

Code :

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function varargout = init2(varargin)
% INIT2 MATLAB code for init2.fig
%      INIT2, by itself, creates a new INIT2 or raises the existing
%      singleton*.
%
%      H = INIT2 returns the handle to a new INIT2 or the handle to
%      the existing singleton*.
%
%      INIT2('CALLBACK',hObject,eventData,handles,...) calls the local
%      function named CALLBACK in INIT2.M with the given input arguments.
%
%      INIT2('Property','Value',...) creates a new INIT2 or raises the
%      existing singleton*.  Starting from the left, property value pairs are
%      applied to the GUI before init2_OpeningFcn gets called.  An
%      unrecognized property name or invalid value makes property application
%      stop.  All inputs are passed to init2_OpeningFcn via varargin.
%
%      *See GUI Options on GUIDE's Tools menu.  Choose "GUI allows only one
%      instance to run (singleton)".
%
% See also: GUIDE, GUIDATA, GUIHANDLES
 
% Edit the above text to modify the response to help init2
 
% Last Modified by GUIDE v2.5 23-Jun-2017 09:54:43
 
% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name',       mfilename, ...
                   'gui_Singleton',  gui_Singleton, ...
                   'gui_OpeningFcn', @init2_OpeningFcn, ...
                   'gui_OutputFcn',  @init2_OutputFcn, ...
                   'gui_LayoutFcn',  [] , ...
                   'gui_Callback',   []);
if nargin && ischar(varargin{1})
    gui_State.gui_Callback = str2func(varargin{1});
end
 
if nargout
    [varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});
else
    gui_mainfcn(gui_State, varargin{:});
end
% End initialization code - DO NOT EDIT
 
 
% --- Executes just before init2 is made visible.
function init2_OpeningFcn(hObject, eventdata, handles, varargin)
% This function has no output args, see OutputFcn.
% hObject    handle to figure
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
% varargin   command line arguments to init2 (see VARARGIN)
 
% Choose default command line output for init2
handles.output = hObject;
 
handles.a = 0;
handles.b = 0;
handles.c = 6;
handles.d = 0;
handles.e = 0;
handles.f = 0;
 
% Update handles structure
guidata(hObject, handles);
 
% UIWAIT makes init2 wait for user response (see UIRESUME)
 %uiwait(handles.figure1);
 
 
% --- Outputs from this function are returned to the command line.
function varargout = init2_OutputFcn(hObject, eventdata, handles) 
% varargout  cell array for returning output args (see VARARGOUT);
% hObject    handle to figure
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
 
% Get default command line output from handles structure
varargout{1} = handles.a;
varargout{2} = handles.b;
varargout{3} = handles.c;
varargout{4} = handles.d;
varargout{5} = handles.e;
varargout{6} = handles.f;
 
%delete(handles.figure1);
 
% --- Executes on button press in autom_checkbox.
function autom_checkbox_Callback(hObject, eventdata, handles)
% hObject    handle to autom_checkbox (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
input = get(hObject,'Value');
handles.a = input;
guidata(gcbf, handles)
% handles    structure with handles and user data (see GUIDATA)
 
% Hint: get(hObject,'Value') returns toggle state of autom_checkbox
 
 
% --- Executes on button press in manual_checkbox.
function manual_checkbox_Callback(hObject, eventdata, handles)
% hObject    handle to manual_checkbox (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
input = get(hObject,'Value');
handles.b = input;
guidata(gcbf, handles)
% handles    structure with handles and user data (see GUIDATA)
 
% Hint: get(hObject,'Value') returns toggle state of manual_checkbox
 
 
 
function stimuTime_EditText_Callback(hObject, eventdata, handles)
% hObject    handle to stimuTime_EditText (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
input_stimuTime = str2num(get(hObject,'String'));
 
if (isempty(input_stimuTime) || input_stimuTime < 0)
    input_stimuTime = '0'
    set(hObject,'String','0')
end
 
handles.c = input_stimuTime;
guidata(gcbf, handles)
% handles    structure with handles and user data (see GUIDATA)
 
% Hints: get(hObject,'String') returns contents of stimuTime_EditText as text
%        str2double(get(hObject,'String')) returns contents of stimuTime_EditText as a double
 
 
% --- Executes during object creation, after setting all properties.
function stimuTime_EditText_CreateFcn(hObject, eventdata, handles)
% hObject    handle to stimuTime_EditText (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called
 
% Hint: edit controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end
 
 
 
function PauseTime_EditText_Callback(hObject, eventdata, handles)
% hObject    handle to PauseTime_EditText (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
input_pauseTime = str2num(get(hObject,'String'));
 
if (isempty(input_pauseTime) || input_pauseTime < 0)
    input_pauseTime = '0'
    set(hObject,'String','0')
end
 
handles.d = input_pauseTime;
guidata(gcbf, handles)
% handles    structure with handles and user data (see GUIDATA)
 
% Hints: get(hObject,'String') returns contents of PauseTime_EditText as text
%        str2double(get(hObject,'String')) returns contents of PauseTime_EditText as a double
 
 
% --- Executes during object creation, after setting all properties.
function PauseTime_EditText_CreateFcn(hObject, eventdata, handles)
% hObject    handle to PauseTime_EditText (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called
 
% Hint: edit controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end
 
 
 
function repetition_EditText_Callback(hObject, eventdata, handles)
% hObject    handle to repetition_EditText (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
input_repet = str2num(get(hObject,'String'));
 
if (isempty(input_repet) || input_repet < 0)
    input_repet = '0'
    set(hObject,'String','0')
end
 
handles.e = input_repet;
 
guidata(gcbf, handles)
% handles    structure with handles and user data (see GUIDATA)
 
% Hints: get(hObject,'String') returns contents of repetition_EditText as text
%        str2double(get(hObject,'String')) returns contents of repetition_EditText as a double
 
 
% --- Executes during object creation, after setting all properties.
function repetition_EditText_CreateFcn(hObject, eventdata, handles)
% hObject    handle to repetition_EditText (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called
 
% Hint: edit controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end
 
 
% --- Executes on button press in Finish_PushButtom.
function Finish_PushButtom_Callback(hObject, eventdata, handles)
% hObject    handle to Finish_PushButtom (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
close;
% handles    structure with handles and user data (see GUIDATA)
 
 
% --- Executes on slider movement.
function CurrentSlider_Callback(hObject, eventdata, handles)
% hObject    handle to CurrentSlider (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
sliderValue = get(handles.CurrentSlider,'Value');
set(handles.currentValue_EditText,'String',num2str(sliderValue));
guidata(hObject,handles);
% handles    structure with handles and user data (see GUIDATA)
 
% Hints: get(hObject,'Value') returns position of slider
%        get(hObject,'Min') and get(hObject,'Max') to determine range of slider
 
 
% --- Executes during object creation, after setting all properties.
function CurrentSlider_CreateFcn(hObject, eventdata, handles)
% hObject    handle to CurrentSlider (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called
 
% Hint: slider controls usually have a light gray background.
if isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor',[.9 .9 .9]);
end
 
 
 
function currentValue_EditText_Callback(hObject, eventdata, handles)
% hObject    handle to currentValue_EditText (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
sliderValue = get(handles.currentValue_EditText,'String');
sliderValue = str2num(sliderValue);
if (isempty(sliderValue) || sliderValue<0 || sliderValue > 2)
    set(handles.CurrentSlider,'Value',0);
    set(handles.currentValue_EditText,'String','0');
else
    set(handles.CurrentSlider,'Value',sliderValue);
end
 
handles.f = sliderValue;
 
guidata(gcbf, handles)
% handles    structure with handles and user data (see GUIDATA)
 
% Hints: get(hObject,'String') returns contents of currentValue_EditText as text
%        str2double(get(hObject,'String')) returns contents of currentValue_EditText as a double
 
 
% --- Executes during object creation, after setting all properties.
function currentValue_EditText_CreateFcn(hObject, eventdata, handles)
% hObject    handle to currentValue_EditText (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called
 
% Hint: edit controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end
 
% --- Executes when user attempts to close figure1.
function figure1_CloseRequestFcn(hObject, eventdata, handles)
% hObject    handle to figure1 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
 
% Hint: delete(hObject) closes the figure
uiresume(handles.figure1);

[Jerome Briot]

Si tu enlèves l'appel à uiwait, la fonction init2_OutputFcn est exécutée dès la création de l'interface.

[alizeL]

C'est vrai. Sauf que quand je la met ça me refait l'erreur

Code :

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Struct contents reference from a non-struct array object.

[Jerome Briot]

Encore une fois, il nous faut les deux fichiers (.m et .fig) pour pouvoir faire des tests.

[alizeL]

Pardon

Archive 2.zip

[Jerome Briot]

Dans la fonction Finish_PushButtom_Callback, remplace close par ceci :

Code :

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uiresume(handles.figure1);

[alizeL]

Ca marche !
Merci beaucoup !!