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Steve Kossouho
2025-07-04 19:26:39 +02:00
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0
source/10-graphical-ui/gui/__init__.py Normal file
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source/10-graphical-ui/gui/basecontrols.py Normal file
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import sys
from PySide6.QtGui import QIcon
from PySide6.QtWidgets import QApplication, QPushButton, QVBoxLayout, QMenuBar, QMenu, QAction, \
QMainWindow, QWidget
class Window(QMainWindow):
"""
Classe définissant notre fenêtre principale.
"""
def __init__(self, parent=None):
"""
Initialiser chaque nouvelle instance de notre fenêtre.
Args:
parent: Widget qui va contenir notre boîte de dialogue.
"""
super().__init__(parent=parent)
self.setWindowTitle("Ma nouvelle fenêtre")
# Create widgets
self.icon = QIcon.fromTheme("scanner")
self.basewidget = QWidget(self)
self.edit = QLineEdit("Zone de texte")
self.button = QPushButton("Appuyez ici !")
self.menubar = QMenuBar(self)
self.menu = QMenu(self.menubar, title="Élément de menu principal")
self.menuentry = QAction(QIcon.fromTheme("network-wired"), "&Action")
self.menu.addAction(self.menuentry)
self.menubar.addAction(self.menu.menuAction())
# Insérer un objet de mise en page dans notre fenêtre,
# et y ajouter nos champ de texte et bouton
self.setCentralWidget(self.basewidget)
layout = QVBoxLayout(self)
self.basewidget.setLayout(layout)
self.setMenuBar(self.menubar)
layout.addWidget(self.edit)
layout.addWidget(self.button)
self.setMinimumSize(640, 128)
# Connecter le clic du bouton à la méthode "validate_button"
self.button.clicked.connect(self.validate_button)
def validate_button(self):
"""
On définit cette méthode pour répondre au clic sur un bouton.
Il faut que l'on configure notre bouton pour que lorsqu'on clique
dessus, cette méthode soit exécutée.
"""
print(f"Vous avez saisi {self.edit.text()}")
if __name__ == "__main__":
# Créer une instance qui définit une application Qt
# Via la variable "sys.argv", qui correspond aux arguments passés en ligne de commande
# dans une liste de chaînes (ex. python programme.py arg1 arg2 arg3)
# on peut configurer le comportement de notre application...
# Également : notre application est un Singleton
application = QApplication(sys.argv)
# Ajouter notre boîte de dialogue
window = Window()
window.show()
# Lancer la boucle Qt, qui ferme le programme quand on ferme toutes les fenêtres
application.exec_()
sys.exit()

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source/10-graphical-ui/gui/basecreator.py Normal file
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import sys
from PySide6.QtCore import QFile, QObject
QObject
# Exemple avec QT Designer
if __name__ == "__main__":
# Créer une instance qui définit une application Qt
# Via la variable "sys.argv", qui correspond aux arguments en ligne de commande
# on peut configurer le comportement de notre application...
# Également : notre application est un Singleton
application = QApplication(sys.argv)
# Utiliser Qt pour ouvrir le fichier Qt Designer qu'on a créé
file = QFile("files/base-ui.ui")
file.open(QFile.ReadOnly)
# Utiliser une classe de Qt qui est capable de créer des interfaces depuis des fichiers
loader = QUiLoader()
window = loader.load(file)
file.close()
# Ici on teste que l'on a bien accès aux variables membres du fichier qu'on a chargé
window.lineEdit: QLineEdit = window.lineEdit
window.lineEdit.setText("Bonjour les amis")
# Afficher notre fenêtre chargée
window.show()
# Lancer la boucle Qt, qui ferme le programme quand on ferme toutes les fenêtres
sys.exit(application.exec_())

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source/10-graphical-ui/gui/basedialog.py Normal file
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import sys
from PySide2.QtWidgets import QDialog, QApplication
class Dialog(QDialog):
"""
Classe définissant notre fenêtre principale.
"""
def __init__(self, parent=None):
"""
Initialiser chaque nouvelle instance de notre fenêtre.
Args:
parent: Widget qui va contenir notre boîte de dialogue.
"""
super().__init__(parent=parent)
self.setWindowTitle("Ma nouvelle fenêtre")
if __name__ == "__main__":
# Créer une instance qui définit une application Qt
# Via la variable "sys.argv", qui correspond aux arguments en ligne de commande
# on peut configurer le comportement de notre application...
# Également : notre application est un Singleton
application = QApplication(sys.argv)
# Ajouter notre boîte de dialogue
dialog = Dialog()
dialog.show()
# Lancer la boucle Qt, qui ferme le programme quand on ferme toutes les fenêtres
sys.exit(application.exec_())

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source/10-graphical-ui/gui/files/base-ui.ui Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>MainWindow</class>
<widget class="QMainWindow" name="MainWindow">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>575</width>
<height>317</height>
</rect>
</property>
<property name="windowTitle">
<string>MainWindow</string>
</property>
<widget class="QWidget" name="centralwidget">
<layout class="QGridLayout" name="gridLayout">
<item row="0" column="0">
<layout class="QVBoxLayout" name="verticalLayout">
<property name="sizeConstraint">
<enum>QLayout::SetMinimumSize</enum>
</property>
<item>
<widget class="QLineEdit" name="lineEdit"/>
</item>
<item>
<widget class="QPushButton" name="pushButton">
<property name="text">
<string>PushButton</string>
</property>
</widget>
</item>
<item>
<widget class="QLineEdit" name="lineEdit_2"/>
</item>
</layout>
</item>
</layout>
</widget>
<widget class="QMenuBar" name="menubar">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>575</width>
<height>31</height>
</rect>
</property>
<widget class="QMenu" name="menuMenu_principal">
<property name="title">
<string>Menu principal</string>
</property>
<addaction name="actionAction_1"/>
<addaction name="actionAction_2"/>
<addaction name="separator"/>
<addaction name="actionAction_3"/>
</widget>
<addaction name="menuMenu_principal"/>
</widget>
<widget class="QStatusBar" name="statusbar"/>
<action name="actionAction_1">
<property name="icon">
<iconset theme="input-tablet">
<normaloff>.</normaloff>.</iconset>
</property>
<property name="text">
<string>Action 1</string>
</property>
</action>
<action name="actionAction_2">
<property name="icon">
<iconset theme="network-wired">
<normaloff>.</normaloff>.</iconset>
</property>
<property name="text">
<string>Action 2</string>
</property>
</action>
<action name="actionAction_3">
<property name="icon">
<iconset theme="scanner">
<normaloff>.</normaloff>.</iconset>
</property>
<property name="text">
<string>Action 3</string>
</property>
</action>
</widget>
<resources/>
<connections/>
</ui>

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source/10-graphical-ui/gui/files/qtcreatordemo/basewindow/form.ui Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>Window</class>
<widget class="QMainWindow" name="Window">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>800</width>
<height>600</height>
</rect>
</property>
<property name="windowTitle">
<string>Window</string>
</property>
<widget class="QWidget" name="centralwidget"/>
<widget class="QMenuBar" name="menubar"/>
<widget class="QStatusBar" name="statusbar"/>
</widget>
<resources/>
<connections/>
</ui>

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source/10-graphical-ui/gui/files/qtcreatordemo/basewindow/main.py Normal file
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# This Python file uses the following encoding: utf-8
import sys
import os
from PySide2.QtWidgets import QApplication, QMainWindow
from PySide2.QtCore import QFile
from PySide2.QtUiTools import QUiLoader
class Window(QMainWindow):
def __init__(self):
super(Window, self).__init__()
self.load_ui()
def load_ui(self):
loader = QUiLoader()
path = os.path.join(os.path.dirname(__file__), "form.ui")
ui_file = QFile(path)
ui_file.open(QFile.ReadOnly)
loader.load(ui_file, self)
ui_file.close()
if __name__ == "__main__":
app = QApplication([])
widget = Window()
widget.show()
sys.exit(app.exec_())

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source/10-graphical-ui/gui/files/qtcreatordemo/basewindow/main.pyproject Normal file
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{
"files": ["main.py", "form.ui"]
}

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source/10-graphical-ui/gui/files/qtcreatordemo/basewindow/main.pyproject.user Normal file
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source/10-graphical-ui/gui/fileselector.py Normal file
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"""
Example code to select file using a file dialog.
Needs a Qt Application object and then a File dialog object.
The `getOpenFileName()` method on the file dialog object opens
a dialog for loading a single file. It returns a tuple, containing
the selected file name (str) and the filter (str).
If no file was selected (cancelled), you get empty strings in the tuple.
"""
from PySide6.QtWidgets import QFileDialog, QApplication
application = QApplication()
# You don't need application.exec() here because the method blocks the python script execution.
dialog = QFileDialog(directory="/home/steve", caption="Sélectionnez un fichier", filter="Text files (*.txt);; All files (*.*)")
selection: tuple[str, str] = dialog.getOpenFileName()
print(selection)
with open("/home/steve/Code/training/python/beginner/documentation/12-logging.md", "r") as file:
lines = file.readlines()
print(lines)

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source/10-graphical-ui/gui/menucontrols.py Normal file
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import sys
from PySide2.QtGui import QIcon
from PySide2.QtWidgets import QApplication, QLineEdit, QPushButton, QVBoxLayout, QAction, \
QMainWindow, QWidget
class Dialog(QMainWindow):
"""
Classe définissant notre fenêtre principale.
"""
def __init__(self, parent=None):
"""
Initialiser chaque nouvelle instance de notre fenêtre.
Args:
parent: Widget qui va contenir notre boîte de dialogue.
"""
super().__init__(parent=parent)
# Changer le titre de la fenêtre et changer la position et taille
self.setWindowTitle("Ma nouvelle fenêtre")
self.setGeometry(50, 50, 640, 480)
# Définir l'icône pour la fenêtre
self.setWindowIcon(QIcon.fromTheme("exit"))
# On crée manuellement des contrôles dans notre fenêtre et des menus
self.edit = QLineEdit("Zone de texte")
self.button = QPushButton("Appuyez ici !")
self.menuentry1 = QAction(QIcon.fromTheme("exit"), "&Fin")
self.menuentry2 = QAction(QIcon.fromTheme("sleep"), "&Dodo")
self.filemenu = self.menuBar().addMenu("&File")
self.filemenu.addAction(self.menuentry1)
self.filemenu.addSeparator()
self.filemenu.addAction(self.menuentry2)
# Insérer un objet de mise en page dans notre fenêtre,
# et y ajouter nos champ de texte et bouton
frame = QWidget()
layout = QVBoxLayout()
layout.addWidget(self.edit)
layout.addWidget(self.button)
# Ajouter la mise en page au widget
frame.setLayout(layout)
# Définir le widget comme le contenu de la fenêtre
self.setCentralWidget(frame)
# Connecter le clic du bouton à la méthode "validate_button"
self.button.clicked.connect(self.button_clicked)
# Connecter la validation du menu1 à la même méthode
self.menuentry1.triggered.connect(self.button_clicked)
# Connecter la modification du champ de texte à une méthode
self.edit.textEdited.connect(self.text_modified)
def button_clicked(self):
"""
On définit cette méthode pour répondre au clic sur un bouton.
Il faut que l'on configure notre bouton pour que lorsqu'on clique
dessus, cette méthode soit exécutée.
"""
print(f"Vous avez saisi {self.edit.text()}")
def text_modified(self):
"""
On définit cette méthode pour répondre à la modification du champ texte.
Cette méthode n'est pas spécifique à Qt, c'est juste qu'on peut lier
des événements de contrôles Qt à des fonctions arbitraires. Et on
va lier l'édition du champ de texte à cette méthode-ci.
"""
print(f"{self.edit.text()}")
if __name__ == "__main__":
# Créer une instance qui définit une application Qt
# Via la variable "sys.argv", qui correspond aux arguments en ligne de commande
# on peut configurer le comportement de notre application...
# Également : notre application est un Singleton
application = QApplication(sys.argv)
# Ajouter notre boîte de dialogue
dialog = Dialog()
dialog.show()
# Lancer la boucle Qt, qui ferme le programme quand on ferme toutes les fenêtres
sys.exit(application.exec_())