Rename PySide2 to PySide6

Adapt CMake files, build scripts, tests and examples.

Task-number: PYSIDE-904
Change-Id: I845f7b006e9ad274fed5444ec4c1f9dbe176ff88
Reviewed-by: Christian Tismer <tismer@stackless.com>

1 files changed, 45 insertions, 0 deletions

diff --git a/sources/pyside6/doc/tutorials/basictutorial/widgets.rst b/sources/pyside6/doc/tutorials/basictutorial/widgets.rst
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index 000000000..d86ba2623
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+Your First QtWidgets Application
+*********************************
+
+As with any other programming framework,
+you start with the traditional "Hello World" program.
+
+Here is a simple example of a Hello World application in PySide6:
+
+.. code-block:: python
+
+    import sys
+    from PySide6.QtWidgets import QApplication, QLabel
+
+    app = QApplication(sys.argv)
+    label = QLabel("Hello World!")
+    label.show()
+    app.exec_()
+
+
+For a widget application using PySide6, you must always start by
+importing the appropriate class from the `PySide6.QtWidgets` module.
+
+After the imports, you create a `QApplication` instance. As Qt can
+receive arguments from command line, you may pass any argument to
+the QApplication object. Usually, you don't need to pass any
+arguments so you can leave it as is, or use the following approach:
+
+.. code-block:: python
+
+    app = QApplication([])
+
+After the creation of the application object, we have created a
+`QLabel` object. A `QLabel` is a widget that can present text
+(simple or rich, like html), and images:
+
+.. code-block:: python
+
+    # This HTML approach will be valid too!
+    label = QLabel("<font color=red size=40>Hello World!</font>")
+
+.. note:: After creating the label, we call `show()` on it.
+
+Finally, we call `app.exec_()` to enter the Qt main loop and start
+to execute the Qt code. In reality, it is only here where the label
+is shown, but this can be ignored for now.