Adding upstream version 3.0.43.upstream/3.0.43

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 44 insertions, 0 deletions

diff --git a/examples/prompts/autocorrection.py b/examples/prompts/autocorrection.py
new file mode 100755
index 0000000..6378132
--- /dev/null
+++ b/examples/prompts/autocorrection.py
@@ -0,0 +1,44 @@
+#!/usr/bin/env python
+"""
+Example of implementing auto correction while typing.
+
+The word "impotr" will be corrected when the user types a space afterwards.
+"""
+from prompt_toolkit import prompt
+from prompt_toolkit.key_binding import KeyBindings
+
+# Database of words to be replaced by typing.
+corrections = {
+    "impotr": "import",
+    "wolrd": "world",
+}
+
+
+def main():
+    # We start with a `KeyBindings` for our extra key bindings.
+    bindings = KeyBindings()
+
+    # We add a custom key binding to space.
+    @bindings.add(" ")
+    def _(event):
+        """
+        When space is pressed, we check the word before the cursor, and
+        autocorrect that.
+        """
+        b = event.app.current_buffer
+        w = b.document.get_word_before_cursor()
+
+        if w is not None:
+            if w in corrections:
+                b.delete_before_cursor(count=len(w))
+                b.insert_text(corrections[w])
+
+        b.insert_text(" ")
+
+    # Read input.
+    text = prompt("Say something: ", key_bindings=bindings)
+    print("You said: %s" % text)
+
+
+if __name__ == "__main__":
+    main()