diff options
Diffstat (limited to 'examples/full-screen')
25 files changed, 2593 insertions, 0 deletions
diff --git a/examples/full-screen/ansi-art-and-textarea.py b/examples/full-screen/ansi-art-and-textarea.py new file mode 100755 index 0000000..c0a59fd --- /dev/null +++ b/examples/full-screen/ansi-art-and-textarea.py @@ -0,0 +1,82 @@ +#!/usr/bin/env python + +from prompt_toolkit.application import Application +from prompt_toolkit.formatted_text import ANSI, HTML +from prompt_toolkit.key_binding import KeyBindings +from prompt_toolkit.layout import HSplit, Layout, VSplit, WindowAlign +from prompt_toolkit.widgets import Dialog, Label, TextArea + + +def main(): + # Key bindings. + kb = KeyBindings() + + @kb.add("c-c") + def _(event): + "Quit when control-c is pressed." + event.app.exit() + + text_area = TextArea(text="You can type here...") + dialog_body = HSplit( + [ + Label( + HTML("Press <reverse>control-c</reverse> to quit."), + align=WindowAlign.CENTER, + ), + VSplit( + [ + Label(PROMPT_TOOLKIT_LOGO, align=WindowAlign.CENTER), + text_area, + ], + ), + ] + ) + + application = Application( + layout=Layout( + container=Dialog( + title="ANSI Art demo - Art on the left, text area on the right", + body=dialog_body, + with_background=True, + ), + focused_element=text_area, + ), + full_screen=True, + mouse_support=True, + key_bindings=kb, + ) + application.run() + + +PROMPT_TOOLKIT_LOGO = ANSI( + """ +\x1b[48;2;0;0;0m \x1b[m +\x1b[48;2;0;0;0m \x1b[48;2;0;249;0m\x1b[38;2;0;0;0m▀\x1b[48;2;0;209;0m▀\x1b[48;2;0;207;0m\x1b[38;2;6;34;6m▀\x1b[48;2;0;66;0m\x1b[38;2;30;171;30m▀\x1b[48;2;0;169;0m\x1b[38;2;51;35;51m▀\x1b[48;2;0;248;0m\x1b[38;2;49;194;49m▀\x1b[48;2;0;111;0m\x1b[38;2;25;57;25m▀\x1b[48;2;140;195;140m\x1b[38;2;3;17;3m▀\x1b[48;2;30;171;30m\x1b[38;2;0;0;0m▀\x1b[48;2;0;0;0m \x1b[m +\x1b[48;2;0;0;0m 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diff --git a/examples/full-screen/buttons.py b/examples/full-screen/buttons.py new file mode 100755 index 0000000..540194d --- /dev/null +++ b/examples/full-screen/buttons.py @@ -0,0 +1,91 @@ +#!/usr/bin/env python +""" +A simple example of a few buttons and click handlers. +""" +from prompt_toolkit.application import Application +from prompt_toolkit.application.current import get_app +from prompt_toolkit.key_binding import KeyBindings +from prompt_toolkit.key_binding.bindings.focus import focus_next, focus_previous +from prompt_toolkit.layout import HSplit, Layout, VSplit +from prompt_toolkit.styles import Style +from prompt_toolkit.widgets import Box, Button, Frame, Label, TextArea + + +# Event handlers for all the buttons. +def button1_clicked(): + text_area.text = "Button 1 clicked" + + +def button2_clicked(): + text_area.text = "Button 2 clicked" + + +def button3_clicked(): + text_area.text = "Button 3 clicked" + + +def exit_clicked(): + get_app().exit() + + +# All the widgets for the UI. +button1 = Button("Button 1", handler=button1_clicked) +button2 = Button("Button 2", handler=button2_clicked) +button3 = Button("Button 3", handler=button3_clicked) +button4 = Button("Exit", handler=exit_clicked) +text_area = TextArea(focusable=True) + + +# Combine all the widgets in a UI. +# The `Box` object ensures that padding will be inserted around the containing +# widget. It adapts automatically, unless an explicit `padding` amount is given. +root_container = Box( + HSplit( + [ + Label(text="Press `Tab` to move the focus."), + VSplit( + [ + Box( + body=HSplit([button1, button2, button3, button4], padding=1), + padding=1, + style="class:left-pane", + ), + Box(body=Frame(text_area), padding=1, style="class:right-pane"), + ] + ), + ] + ), +) + +layout = Layout(container=root_container, focused_element=button1) + + +# Key bindings. +kb = KeyBindings() +kb.add("tab")(focus_next) +kb.add("s-tab")(focus_previous) + + +# Styling. +style = Style( + [ + ("left-pane", "bg:#888800 #000000"), + ("right-pane", "bg:#00aa00 #000000"), + ("button", "#000000"), + ("button-arrow", "#000000"), + ("button focused", "bg:#ff0000"), + ("text-area focused", "bg:#ff0000"), + ] +) + + +# Build a main application object. +application = Application(layout=layout, key_bindings=kb, style=style, full_screen=True) + + +def main(): + application.run() + + +if __name__ == "__main__": + main() diff --git a/examples/full-screen/calculator.py b/examples/full-screen/calculator.py new file mode 100755 index 0000000..1cb513f --- /dev/null +++ b/examples/full-screen/calculator.py @@ -0,0 +1,95 @@ +#!/usr/bin/env python +""" +A simple example of a calculator program. +This could be used as inspiration for a REPL. +""" +from prompt_toolkit.application import Application +from prompt_toolkit.document import Document +from prompt_toolkit.key_binding import KeyBindings +from prompt_toolkit.layout.containers import HSplit, Window +from prompt_toolkit.layout.layout import Layout +from prompt_toolkit.styles import Style +from prompt_toolkit.widgets import SearchToolbar, TextArea + +help_text = """ +Type any expression (e.g. "4 + 4") followed by enter to execute. +Press Control-C to exit. +""" + + +def main(): + # The layout. + search_field = SearchToolbar() # For reverse search. + + output_field = TextArea(style="class:output-field", text=help_text) + input_field = TextArea( + height=1, + prompt=">>> ", + style="class:input-field", + multiline=False, + wrap_lines=False, + search_field=search_field, + ) + + container = HSplit( + [ + output_field, + Window(height=1, char="-", style="class:line"), + input_field, + search_field, + ] + ) + + # Attach accept handler to the input field. We do this by assigning the + # handler to the `TextArea` that we created earlier. it is also possible to + # pass it to the constructor of `TextArea`. + # NOTE: It's better to assign an `accept_handler`, rather then adding a + # custom ENTER key binding. This will automatically reset the input + # field and add the strings to the history. + def accept(buff): + # Evaluate "calculator" expression. + try: + output = f"\n\nIn: {input_field.text}\nOut: {eval(input_field.text)}" # Don't do 'eval' in real code! + except BaseException as e: + output = f"\n\n{e}" + new_text = output_field.text + output + + # Add text to output buffer. + output_field.buffer.document = Document( + text=new_text, cursor_position=len(new_text) + ) + + input_field.accept_handler = accept + + # The key bindings. + kb = KeyBindings() + + @kb.add("c-c") + @kb.add("c-q") + def _(event): + "Pressing Ctrl-Q or Ctrl-C will exit the user interface." + event.app.exit() + + # Style. + style = Style( + [ + ("output-field", "bg:#000044 #ffffff"), + ("input-field", "bg:#000000 #ffffff"), + ("line", "#004400"), + ] + ) + + # Run application. + application = Application( + layout=Layout(container, focused_element=input_field), + key_bindings=kb, + style=style, + mouse_support=True, + full_screen=True, + ) + + application.run() + + +if __name__ == "__main__": + main() diff --git a/examples/full-screen/dummy-app.py b/examples/full-screen/dummy-app.py new file mode 100755 index 0000000..7ea7506 --- /dev/null +++ b/examples/full-screen/dummy-app.py @@ -0,0 +1,8 @@ +#!/usr/bin/env python +""" +This is the most simple example possible. +""" +from prompt_toolkit import Application + +app = Application(full_screen=False) +app.run() diff --git a/examples/full-screen/full-screen-demo.py b/examples/full-screen/full-screen-demo.py new file mode 100755 index 0000000..de7379a --- /dev/null +++ b/examples/full-screen/full-screen-demo.py @@ -0,0 +1,225 @@ +#!/usr/bin/env python +""" +""" +from pygments.lexers.html import HtmlLexer + +from prompt_toolkit.application import Application +from prompt_toolkit.application.current import get_app +from prompt_toolkit.completion import WordCompleter +from prompt_toolkit.key_binding import KeyBindings +from prompt_toolkit.key_binding.bindings.focus import focus_next, focus_previous +from prompt_toolkit.layout.containers import Float, HSplit, VSplit +from prompt_toolkit.layout.dimension import D +from prompt_toolkit.layout.layout import Layout +from prompt_toolkit.layout.menus import CompletionsMenu +from prompt_toolkit.lexers import PygmentsLexer +from prompt_toolkit.styles import Style +from prompt_toolkit.widgets import ( + Box, + Button, + Checkbox, + Dialog, + Frame, + Label, + MenuContainer, + MenuItem, + ProgressBar, + RadioList, + TextArea, +) + + +def accept_yes(): + get_app().exit(result=True) + + +def accept_no(): + get_app().exit(result=False) + + +def do_exit(): + get_app().exit(result=False) + + +yes_button = Button(text="Yes", handler=accept_yes) +no_button = Button(text="No", handler=accept_no) +textfield = TextArea(lexer=PygmentsLexer(HtmlLexer)) +checkbox1 = Checkbox(text="Checkbox") +checkbox2 = Checkbox(text="Checkbox") + +radios = RadioList( + values=[ + ("Red", "red"), + ("Green", "green"), + ("Blue", "blue"), + ("Orange", "orange"), + ("Yellow", "yellow"), + ("Purple", "Purple"), + ("Brown", "Brown"), + ] +) + +animal_completer = WordCompleter( + [ + "alligator", + "ant", + "ape", + "bat", + "bear", + "beaver", + "bee", + "bison", + "butterfly", + "cat", + "chicken", + "crocodile", + "dinosaur", + "dog", + "dolphin", + "dove", + "duck", + "eagle", + "elephant", + "fish", + "goat", + "gorilla", + "kangaroo", + "leopard", + "lion", + "mouse", + "rabbit", + "rat", + "snake", + "spider", + "turkey", + "turtle", + ], + ignore_case=True, +) + +root_container = HSplit( + [ + VSplit( + [ + Frame(body=Label(text="Left frame\ncontent")), + Dialog(title="The custom window", body=Label("hello\ntest")), + textfield, + ], + height=D(), + ), + VSplit( + [ + Frame(body=ProgressBar(), title="Progress bar"), + Frame( + title="Checkbox list", + body=HSplit([checkbox1, checkbox2]), + ), + Frame(title="Radio list", body=radios), + ], + padding=1, + ), + Box( + body=VSplit([yes_button, no_button], align="CENTER", padding=3), + style="class:button-bar", + height=3, + ), + ] +) + +root_container = MenuContainer( + body=root_container, + menu_items=[ + MenuItem( + "File", + children=[ + MenuItem("New"), + MenuItem( + "Open", + children=[ + MenuItem("From file..."), + MenuItem("From URL..."), + MenuItem( + "Something else..", + children=[ + MenuItem("A"), + MenuItem("B"), + MenuItem("C"), + MenuItem("D"), + MenuItem("E"), + ], + ), + ], + ), + MenuItem("Save"), + MenuItem("Save as..."), + MenuItem("-", disabled=True), + MenuItem("Exit", handler=do_exit), + ], + ), + MenuItem( + "Edit", + children=[ + MenuItem("Undo"), + MenuItem("Cut"), + MenuItem("Copy"), + MenuItem("Paste"), + MenuItem("Delete"), + MenuItem("-", disabled=True), + MenuItem("Find"), + MenuItem("Find next"), + MenuItem("Replace"), + MenuItem("Go To"), + MenuItem("Select All"), + MenuItem("Time/Date"), + ], + ), + MenuItem("View", children=[MenuItem("Status Bar")]), + MenuItem("Info", children=[MenuItem("About")]), + ], + floats=[ + Float( + xcursor=True, + ycursor=True, + content=CompletionsMenu(max_height=16, scroll_offset=1), + ), + ], +) + +# Global key bindings. +bindings = KeyBindings() +bindings.add("tab")(focus_next) +bindings.add("s-tab")(focus_previous) + + +style = Style.from_dict( + { + "window.border": "#888888", + "shadow": "bg:#222222", + "menu-bar": "bg:#aaaaaa #888888", + "menu-bar.selected-item": "bg:#ffffff #000000", + "menu": "bg:#888888 #ffffff", + "menu.border": "#aaaaaa", + "window.border shadow": "#444444", + "focused button": "bg:#880000 #ffffff noinherit", + # Styling for Dialog widgets. + "button-bar": "bg:#aaaaff", + } +) + + +application = Application( + layout=Layout(root_container, focused_element=yes_button), + key_bindings=bindings, + style=style, + mouse_support=True, + full_screen=True, +) + + +def run(): + result = application.run() + print("You said: %r" % result) + + +if __name__ == "__main__": + run() diff --git a/examples/full-screen/hello-world.py b/examples/full-screen/hello-world.py new file mode 100755 index 0000000..b818018 --- /dev/null +++ b/examples/full-screen/hello-world.py @@ -0,0 +1,43 @@ +#!/usr/bin/env python +""" +A simple example of a a text area displaying "Hello World!". +""" +from prompt_toolkit.application import Application +from prompt_toolkit.key_binding import KeyBindings +from prompt_toolkit.layout import Layout +from prompt_toolkit.widgets import Box, Frame, TextArea + +# Layout for displaying hello world. +# (The frame creates the border, the box takes care of the margin/padding.) +root_container = Box( + Frame( + TextArea( + text="Hello world!\nPress control-c to quit.", + width=40, + height=10, + ) + ), +) +layout = Layout(container=root_container) + + +# Key bindings. +kb = KeyBindings() + + +@kb.add("c-c") +def _(event): + "Quit when control-c is pressed." + event.app.exit() + + +# Build a main application object. +application = Application(layout=layout, key_bindings=kb, full_screen=True) + + +def main(): + application.run() + + +if __name__ == "__main__": + main() diff --git a/examples/full-screen/no-layout.py b/examples/full-screen/no-layout.py new file mode 100644 index 0000000..be5c6f8 --- /dev/null +++ b/examples/full-screen/no-layout.py @@ -0,0 +1,7 @@ +#!/usr/bin/env python +""" +An empty full screen application without layout. +""" +from prompt_toolkit import Application + +Application(full_screen=True).run() diff --git a/examples/full-screen/pager.py b/examples/full-screen/pager.py new file mode 100755 index 0000000..799c834 --- /dev/null +++ b/examples/full-screen/pager.py @@ -0,0 +1,111 @@ +#!/usr/bin/env python +""" +A simple application that shows a Pager application. +""" +from pygments.lexers.python import PythonLexer + +from prompt_toolkit.application import Application +from prompt_toolkit.key_binding import KeyBindings +from prompt_toolkit.layout.containers import HSplit, Window +from prompt_toolkit.layout.controls import FormattedTextControl +from prompt_toolkit.layout.dimension import LayoutDimension as D +from prompt_toolkit.layout.layout import Layout +from prompt_toolkit.lexers import PygmentsLexer +from prompt_toolkit.styles import Style +from prompt_toolkit.widgets import SearchToolbar, TextArea + +# Create one text buffer for the main content. + +_pager_py_path = __file__ + + +with open(_pager_py_path, "rb") as f: + text = f.read().decode("utf-8") + + +def get_statusbar_text(): + return [ + ("class:status", _pager_py_path + " - "), + ( + "class:status.position", + "{}:{}".format( + text_area.document.cursor_position_row + 1, + text_area.document.cursor_position_col + 1, + ), + ), + ("class:status", " - Press "), + ("class:status.key", "Ctrl-C"), + ("class:status", " to exit, "), + ("class:status.key", "/"), + ("class:status", " for searching."), + ] + + +search_field = SearchToolbar( + text_if_not_searching=[("class:not-searching", "Press '/' to start searching.")] +) + + +text_area = TextArea( + text=text, + read_only=True, + scrollbar=True, + line_numbers=True, + search_field=search_field, + lexer=PygmentsLexer(PythonLexer), +) + + +root_container = HSplit( + [ + # The top toolbar. + Window( + content=FormattedTextControl(get_statusbar_text), + height=D.exact(1), + style="class:status", + ), + # The main content. + text_area, + search_field, + ] +) + + +# Key bindings. +bindings = KeyBindings() + + +@bindings.add("c-c") +@bindings.add("q") +def _(event): + "Quit." + event.app.exit() + + +style = Style.from_dict( + { + "status": "reverse", + "status.position": "#aaaa00", + "status.key": "#ffaa00", + "not-searching": "#888888", + } +) + + +# create application. +application = Application( + layout=Layout(root_container, focused_element=text_area), + key_bindings=bindings, + enable_page_navigation_bindings=True, + mouse_support=True, + style=style, + full_screen=True, +) + + +def run(): + application.run() + + +if __name__ == "__main__": + run() diff --git a/examples/full-screen/scrollable-panes/simple-example.py b/examples/full-screen/scrollable-panes/simple-example.py new file mode 100644 index 0000000..a94274f --- /dev/null +++ b/examples/full-screen/scrollable-panes/simple-example.py @@ -0,0 +1,45 @@ +#!/usr/bin/env python +""" +A simple example of a scrollable pane. +""" +from prompt_toolkit.application import Application +from prompt_toolkit.application.current import get_app +from prompt_toolkit.key_binding import KeyBindings +from prompt_toolkit.key_binding.bindings.focus import focus_next, focus_previous +from prompt_toolkit.layout import Dimension, HSplit, Layout, ScrollablePane +from prompt_toolkit.widgets import Frame, TextArea + + +def main(): + # Create a big layout of many text areas, then wrap them in a `ScrollablePane`. + root_container = Frame( + ScrollablePane( + HSplit( + [ + Frame(TextArea(text=f"label-{i}"), width=Dimension()) + for i in range(20) + ] + ) + ) + # ScrollablePane(HSplit([TextArea(text=f"label-{i}") for i in range(20)])) + ) + + layout = Layout(container=root_container) + + # Key bindings. + kb = KeyBindings() + + @kb.add("c-c") + def exit(event) -> None: + get_app().exit() + + kb.add("tab")(focus_next) + kb.add("s-tab")(focus_previous) + + # Create and run application. + application = Application(layout=layout, key_bindings=kb, full_screen=True) + application.run() + + +if __name__ == "__main__": + main() diff --git a/examples/full-screen/scrollable-panes/with-completion-menu.py b/examples/full-screen/scrollable-panes/with-completion-menu.py new file mode 100644 index 0000000..fba8d17 --- /dev/null +++ b/examples/full-screen/scrollable-panes/with-completion-menu.py @@ -0,0 +1,120 @@ +#!/usr/bin/env python +""" +A simple example of a scrollable pane. +""" +from prompt_toolkit.application import Application +from prompt_toolkit.application.current import get_app +from prompt_toolkit.completion import WordCompleter +from prompt_toolkit.key_binding import KeyBindings +from prompt_toolkit.key_binding.bindings.focus import focus_next, focus_previous +from prompt_toolkit.layout import ( + CompletionsMenu, + Float, + FloatContainer, + HSplit, + Layout, + ScrollablePane, + VSplit, +) +from prompt_toolkit.widgets import Frame, Label, TextArea + + +def main(): + # Create a big layout of many text areas, then wrap them in a `ScrollablePane`. + root_container = VSplit( + [ + Label("<left column>"), + HSplit( + [ + Label("ScrollContainer Demo"), + Frame( + ScrollablePane( + HSplit( + [ + Frame( + TextArea( + text=f"label-{i}", + completer=animal_completer, + ) + ) + for i in range(20) + ] + ) + ), + ), + ] + ), + ] + ) + + root_container = FloatContainer( + root_container, + floats=[ + Float( + xcursor=True, + ycursor=True, + content=CompletionsMenu(max_height=16, scroll_offset=1), + ), + ], + ) + + layout = Layout(container=root_container) + + # Key bindings. + kb = KeyBindings() + + @kb.add("c-c") + def exit(event) -> None: + get_app().exit() + + kb.add("tab")(focus_next) + kb.add("s-tab")(focus_previous) + + # Create and run application. + application = Application( + layout=layout, key_bindings=kb, full_screen=True, mouse_support=True + ) + application.run() + + +animal_completer = WordCompleter( + [ + "alligator", + "ant", + "ape", + "bat", + "bear", + "beaver", + "bee", + "bison", + "butterfly", + "cat", + "chicken", + "crocodile", + "dinosaur", + "dog", + "dolphin", + "dove", + "duck", + "eagle", + "elephant", + "fish", + "goat", + "gorilla", + "kangaroo", + "leopard", + "lion", + "mouse", + "rabbit", + "rat", + "snake", + "spider", + "turkey", + "turtle", + ], + ignore_case=True, +) + + +if __name__ == "__main__": + main() diff --git a/examples/full-screen/simple-demos/alignment.py b/examples/full-screen/simple-demos/alignment.py new file mode 100755 index 0000000..b20b43d --- /dev/null +++ b/examples/full-screen/simple-demos/alignment.py @@ -0,0 +1,60 @@ +#!/usr/bin/env python +""" +Demo of the different Window alignment options. +""" +from prompt_toolkit.application import Application +from prompt_toolkit.key_binding import KeyBindings +from prompt_toolkit.layout.containers import HSplit, Window, WindowAlign +from prompt_toolkit.layout.controls import FormattedTextControl +from prompt_toolkit.layout.layout import Layout + +LIPSUM = """Lorem ipsum dolor sit amet, consectetur adipiscing elit. Maecenas +quis interdum enim. Nam viverra, mauris et blandit malesuada, ante est bibendum +mauris, ac dignissim dui tellus quis ligula. Aenean condimentum leo at +dignissim placerat. In vel dictum ex, vulputate accumsan mi. Donec ut quam +placerat massa tempor elementum. Sed tristique mauris ac suscipit euismod. Ut +tempus vehicula augue non venenatis. Mauris aliquam velit turpis, nec congue +risus aliquam sit amet. Pellentesque blandit scelerisque felis, faucibus +consequat ante. Curabitur tempor tortor a imperdiet tincidunt. Nam sed justo +sit amet odio bibendum congue. Quisque varius ligula nec ligula gravida, sed +convallis augue faucibus. Nunc ornare pharetra bibendum. Praesent blandit ex +quis sodales maximus.""" + +# 1. The layout + +left_text = '\nLeft aligned text. - (Press "q" to quit)\n\n' + LIPSUM +center_text = "Centered text.\n\n" + LIPSUM +right_text = "Right aligned text.\n\n" + LIPSUM + + +body = HSplit( + [ + Window(FormattedTextControl(left_text), align=WindowAlign.LEFT), + Window(height=1, char="-"), + Window(FormattedTextControl(center_text), align=WindowAlign.CENTER), + Window(height=1, char="-"), + Window(FormattedTextControl(right_text), align=WindowAlign.RIGHT), + ] +) + + +# 2. Key bindings +kb = KeyBindings() + + +@kb.add("q") +def _(event): + "Quit application." + event.app.exit() + + +# 3. The `Application` +application = Application(layout=Layout(body), key_bindings=kb, full_screen=True) + + +def run(): + application.run() + + +if __name__ == "__main__": + run() diff --git a/examples/full-screen/simple-demos/autocompletion.py b/examples/full-screen/simple-demos/autocompletion.py new file mode 100755 index 0000000..bcbb594 --- /dev/null +++ b/examples/full-screen/simple-demos/autocompletion.py @@ -0,0 +1,100 @@ +#!/usr/bin/env python +""" +An example of a BufferControl in a full screen layout that offers auto +completion. + +Important is to make sure that there is a `CompletionsMenu` in the layout, +otherwise the completions won't be visible. +""" +from prompt_toolkit.application import Application +from prompt_toolkit.buffer import Buffer +from prompt_toolkit.completion import WordCompleter +from prompt_toolkit.key_binding import KeyBindings +from prompt_toolkit.layout.containers import Float, FloatContainer, HSplit, Window +from prompt_toolkit.layout.controls import BufferControl, FormattedTextControl +from prompt_toolkit.layout.layout import Layout +from prompt_toolkit.layout.menus import CompletionsMenu + +# The completer. +animal_completer = WordCompleter( + [ + "alligator", + "ant", + "ape", + "bat", + "bear", + "beaver", + "bee", + "bison", + "butterfly", + "cat", + "chicken", + "crocodile", + "dinosaur", + "dog", + "dolphin", + "dove", + "duck", + "eagle", + "elephant", + "fish", + "goat", + "gorilla", + "kangaroo", + "leopard", + "lion", + "mouse", + "rabbit", + "rat", + "snake", + "spider", + "turkey", + "turtle", + ], + ignore_case=True, +) + + +# The layout +buff = Buffer(completer=animal_completer, complete_while_typing=True) + +body = FloatContainer( + content=HSplit( + [ + Window( + FormattedTextControl('Press "q" to quit.'), height=1, style="reverse" + ), + Window(BufferControl(buffer=buff)), + ] + ), + floats=[ + Float( + xcursor=True, + ycursor=True, + content=CompletionsMenu(max_height=16, scroll_offset=1), + ) + ], +) + + +# Key bindings +kb = KeyBindings() + + +@kb.add("q") +@kb.add("c-c") +def _(event): + "Quit application." + event.app.exit() + + +# The `Application` +application = Application(layout=Layout(body), key_bindings=kb, full_screen=True) + + +def run(): + application.run() + + +if __name__ == "__main__": + run() diff --git a/examples/full-screen/simple-demos/colorcolumn.py b/examples/full-screen/simple-demos/colorcolumn.py new file mode 100755 index 0000000..054aa44 --- /dev/null +++ b/examples/full-screen/simple-demos/colorcolumn.py @@ -0,0 +1,63 @@ +#!/usr/bin/env python +""" +Colorcolumn example. +""" +from prompt_toolkit.application import Application +from prompt_toolkit.buffer import Buffer +from prompt_toolkit.key_binding import KeyBindings +from prompt_toolkit.layout.containers import ColorColumn, HSplit, Window +from prompt_toolkit.layout.controls import BufferControl, FormattedTextControl +from prompt_toolkit.layout.layout import Layout + +LIPSUM = """ +Lorem ipsum dolor sit amet, consectetur adipiscing elit. Maecenas +quis interdum enim. Nam viverra, mauris et blandit malesuada, ante est bibendum +mauris, ac dignissim dui tellus quis ligula. Aenean condimentum leo at +dignissim placerat. In vel dictum ex, vulputate accumsan mi. Donec ut quam +placerat massa tempor elementum. Sed tristique mauris ac suscipit euismod. Ut +tempus vehicula augue non venenatis. Mauris aliquam velit turpis, nec congue +risus aliquam sit amet. Pellentesque blandit scelerisque felis, faucibus +consequat ante. Curabitur tempor tortor a imperdiet tincidunt. Nam sed justo +sit amet odio bibendum congue. Quisque varius ligula nec ligula gravida, sed +convallis augue faucibus. Nunc ornare pharetra bibendum. Praesent blandit ex +quis sodales maximus.""" + +# Create text buffers. +buff = Buffer() +buff.text = LIPSUM + +# 1. The layout +color_columns = [ + ColorColumn(50), + ColorColumn(80, style="bg:#ff0000"), + ColorColumn(10, style="bg:#ff0000"), +] + +body = HSplit( + [ + Window(FormattedTextControl('Press "q" to quit.'), height=1, style="reverse"), + Window(BufferControl(buffer=buff), colorcolumns=color_columns), + ] +) + + +# 2. Key bindings +kb = KeyBindings() + + +@kb.add("q") +def _(event): + "Quit application." + event.app.exit() + + +# 3. The `Application` +application = Application(layout=Layout(body), key_bindings=kb, full_screen=True) + + +def run(): + application.run() + + +if __name__ == "__main__": + run() diff --git a/examples/full-screen/simple-demos/cursorcolumn-cursorline.py b/examples/full-screen/simple-demos/cursorcolumn-cursorline.py new file mode 100755 index 0000000..505b3ee --- /dev/null +++ b/examples/full-screen/simple-demos/cursorcolumn-cursorline.py @@ -0,0 +1,59 @@ +#!/usr/bin/env python +""" +Cursorcolumn / cursorline example. +""" +from prompt_toolkit.application import Application +from prompt_toolkit.buffer import Buffer +from prompt_toolkit.key_binding import KeyBindings +from prompt_toolkit.layout.containers import HSplit, Window +from prompt_toolkit.layout.controls import BufferControl, FormattedTextControl +from prompt_toolkit.layout.layout import Layout + +LIPSUM = """ +Lorem ipsum dolor sit amet, consectetur adipiscing elit. Maecenas +quis interdum enim. Nam viverra, mauris et blandit malesuada, ante est bibendum +mauris, ac dignissim dui tellus quis ligula. Aenean condimentum leo at +dignissim placerat. In vel dictum ex, vulputate accumsan mi. Donec ut quam +placerat massa tempor elementum. Sed tristique mauris ac suscipit euismod. Ut +tempus vehicula augue non venenatis. Mauris aliquam velit turpis, nec congue +risus aliquam sit amet. Pellentesque blandit scelerisque felis, faucibus +consequat ante. Curabitur tempor tortor a imperdiet tincidunt. Nam sed justo +sit amet odio bibendum congue. Quisque varius ligula nec ligula gravida, sed +convallis augue faucibus. Nunc ornare pharetra bibendum. Praesent blandit ex +quis sodales maximus.""" + +# Create text buffers. Cursorcolumn/cursorline are mostly combined with an +# (editable) text buffers, where the user can move the cursor. + +buff = Buffer() +buff.text = LIPSUM + +# 1. The layout +body = HSplit( + [ + Window(FormattedTextControl('Press "q" to quit.'), height=1, style="reverse"), + Window(BufferControl(buffer=buff), cursorcolumn=True, cursorline=True), + ] +) + + +# 2. Key bindings +kb = KeyBindings() + + +@kb.add("q") +def _(event): + "Quit application." + event.app.exit() + + +# 3. The `Application` +application = Application(layout=Layout(body), key_bindings=kb, full_screen=True) + + +def run(): + application.run() + + +if __name__ == "__main__": + run() diff --git a/examples/full-screen/simple-demos/float-transparency.py b/examples/full-screen/simple-demos/float-transparency.py new file mode 100755 index 0000000..4dc38fc --- /dev/null +++ b/examples/full-screen/simple-demos/float-transparency.py @@ -0,0 +1,87 @@ +#!/usr/bin/env python +""" +Example of the 'transparency' attribute of `Window' when used in a Float. +""" +from prompt_toolkit.application import Application +from prompt_toolkit.formatted_text import HTML +from prompt_toolkit.key_binding import KeyBindings +from prompt_toolkit.layout.containers import Float, FloatContainer, Window +from prompt_toolkit.layout.controls import FormattedTextControl +from prompt_toolkit.layout.layout import Layout +from prompt_toolkit.widgets import Frame + +LIPSUM = " ".join( + ( + """Lorem ipsum dolor sit amet, consectetur adipiscing elit. +Maecenas quis interdum enim. Nam viverra, mauris et blandit malesuada, ante est +bibendum mauris, ac dignissim dui tellus quis ligula. Aenean condimentum leo at +dignissim placerat. In vel dictum ex, vulputate accumsan mi. Donec ut quam +placerat massa tempor elementum. Sed tristique mauris ac suscipit euismod. Ut +tempus vehicula augue non venenatis. Mauris aliquam velit turpis, nec congue +risus aliquam sit amet. Pellentesque blandit scelerisque felis, faucibus +consequat ante. Curabitur tempor tortor a imperdiet tincidunt. Nam sed justo +sit amet odio bibendum congue. Quisque varius ligula nec ligula gravida, sed +convallis augue faucibus. Nunc ornare pharetra bibendum. Praesent blandit ex +quis sodales maximus. """ + * 100 + ).split() +) + + +# 1. The layout +left_text = HTML("<reverse>transparent=False</reverse>\n") +right_text = HTML("<reverse>transparent=True</reverse>") +quit_text = "Press 'q' to quit." + + +body = FloatContainer( + content=Window(FormattedTextControl(LIPSUM), wrap_lines=True), + floats=[ + # Important note: Wrapping the floating objects in a 'Frame' is + # only required for drawing the border around the + # floating text. We do it here to make the layout more + # obvious. + # Left float. + Float( + Frame(Window(FormattedTextControl(left_text), width=20, height=4)), + transparent=False, + left=0, + ), + # Right float. + Float( + Frame(Window(FormattedTextControl(right_text), width=20, height=4)), + transparent=True, + right=0, + ), + # Quit text. + Float( + Frame( + Window(FormattedTextControl(quit_text), width=18, height=1), + style="bg:#ff44ff #ffffff", + ), + top=1, + ), + ], +) + + +# 2. Key bindings +kb = KeyBindings() + + +@kb.add("q") +def _(event): + "Quit application." + event.app.exit() + + +# 3. The `Application` +application = Application(layout=Layout(body), key_bindings=kb, full_screen=True) + + +def run(): + application.run() + + +if __name__ == "__main__": + run() diff --git a/examples/full-screen/simple-demos/floats.py b/examples/full-screen/simple-demos/floats.py new file mode 100755 index 0000000..0d45be9 --- /dev/null +++ b/examples/full-screen/simple-demos/floats.py @@ -0,0 +1,116 @@ +#!/usr/bin/env python +""" +Horizontal split example. +""" +from prompt_toolkit.application import Application +from prompt_toolkit.key_binding import KeyBindings +from prompt_toolkit.layout.containers import Float, FloatContainer, Window +from prompt_toolkit.layout.controls import FormattedTextControl +from prompt_toolkit.layout.layout import Layout +from prompt_toolkit.widgets import Frame + +LIPSUM = " ".join( + ( + """Lorem ipsum dolor sit amet, consectetur adipiscing elit. +Maecenas quis interdum enim. Nam viverra, mauris et blandit malesuada, ante est +bibendum mauris, ac dignissim dui tellus quis ligula. Aenean condimentum leo at +dignissim placerat. In vel dictum ex, vulputate accumsan mi. Donec ut quam +placerat massa tempor elementum. Sed tristique mauris ac suscipit euismod. Ut +tempus vehicula augue non venenatis. Mauris aliquam velit turpis, nec congue +risus aliquam sit amet. Pellentesque blandit scelerisque felis, faucibus +consequat ante. Curabitur tempor tortor a imperdiet tincidunt. Nam sed justo +sit amet odio bibendum congue. Quisque varius ligula nec ligula gravida, sed +convallis augue faucibus. Nunc ornare pharetra bibendum. Praesent blandit ex +quis sodales maximus. """ + * 100 + ).split() +) + + +# 1. The layout +left_text = "Floating\nleft" +right_text = "Floating\nright" +top_text = "Floating\ntop" +bottom_text = "Floating\nbottom" +center_text = "Floating\ncenter" +quit_text = "Press 'q' to quit." + + +body = FloatContainer( + content=Window(FormattedTextControl(LIPSUM), wrap_lines=True), + floats=[ + # Important note: Wrapping the floating objects in a 'Frame' is + # only required for drawing the border around the + # floating text. We do it here to make the layout more + # obvious. + # Left float. + Float( + Frame( + Window(FormattedTextControl(left_text), width=10, height=2), + style="bg:#44ffff #ffffff", + ), + left=0, + ), + # Right float. + Float( + Frame( + Window(FormattedTextControl(right_text), width=10, height=2), + style="bg:#44ffff #ffffff", + ), + right=0, + ), + # Bottom float. + Float( + Frame( + Window(FormattedTextControl(bottom_text), width=10, height=2), + style="bg:#44ffff #ffffff", + ), + bottom=0, + ), + # Top float. + Float( + Frame( + Window(FormattedTextControl(top_text), width=10, height=2), + style="bg:#44ffff #ffffff", + ), + top=0, + ), + # Center float. + Float( + Frame( + Window(FormattedTextControl(center_text), width=10, height=2), + style="bg:#44ffff #ffffff", + ) + ), + # Quit text. + Float( + Frame( + Window(FormattedTextControl(quit_text), width=18, height=1), + style="bg:#ff44ff #ffffff", + ), + top=6, + ), + ], +) + + +# 2. Key bindings +kb = KeyBindings() + + +@kb.add("q") +def _(event): + "Quit application." + event.app.exit() + + +# 3. The `Application` +application = Application(layout=Layout(body), key_bindings=kb, full_screen=True) + + +def run(): + application.run() + + +if __name__ == "__main__": + run() diff --git a/examples/full-screen/simple-demos/focus.py b/examples/full-screen/simple-demos/focus.py new file mode 100755 index 0000000..9fe9b8f --- /dev/null +++ b/examples/full-screen/simple-demos/focus.py @@ -0,0 +1,98 @@ +#!/usr/bin/env python +""" +Demonstration of how to programmatically focus a certain widget. +""" +from prompt_toolkit.application import Application +from prompt_toolkit.buffer import Buffer +from prompt_toolkit.document import Document +from prompt_toolkit.key_binding import KeyBindings +from prompt_toolkit.layout.containers import HSplit, VSplit, Window +from prompt_toolkit.layout.controls import BufferControl, FormattedTextControl +from prompt_toolkit.layout.layout import Layout + +# 1. The layout +top_text = ( + "Focus example.\n" + "[q] Quit [a] Focus left top [b] Right top [c] Left bottom [d] Right bottom." +) + +LIPSUM = """Lorem ipsum dolor sit amet, consectetur adipiscing elit. +Maecenas quis interdum enim. Nam viverra, mauris et blandit malesuada, ante est +bibendum mauris, ac dignissim dui tellus quis ligula. Aenean condimentum leo at +dignissim placerat. In vel dictum ex, vulputate accumsan mi. Donec ut quam +placerat massa tempor elementum. Sed tristique mauris ac suscipit euismod. Ut +tempus vehicula augue non venenatis. Mauris aliquam velit turpis, nec congue +risus aliquam sit amet. Pellentesque blandit scelerisque felis, faucibus +consequat ante. Curabitur tempor tortor a imperdiet tincidunt. Nam sed justo +sit amet odio bibendum congue. Quisque varius ligula nec ligula gravida, sed +convallis augue faucibus. Nunc ornare pharetra bibendum. Praesent blandit ex +quis sodales maximus. """ + + +left_top = Window(BufferControl(Buffer(document=Document(LIPSUM)))) +left_bottom = Window(BufferControl(Buffer(document=Document(LIPSUM)))) +right_top = Window(BufferControl(Buffer(document=Document(LIPSUM)))) +right_bottom = Window(BufferControl(Buffer(document=Document(LIPSUM)))) + + +body = HSplit( + [ + Window(FormattedTextControl(top_text), height=2, style="reverse"), + Window(height=1, char="-"), # Horizontal line in the middle. + VSplit([left_top, Window(width=1, char="|"), right_top]), + Window(height=1, char="-"), # Horizontal line in the middle. + VSplit([left_bottom, Window(width=1, char="|"), right_bottom]), + ] +) + + +# 2. Key bindings +kb = KeyBindings() + + +@kb.add("q") +def _(event): + "Quit application." + event.app.exit() + + +@kb.add("a") +def _(event): + event.app.layout.focus(left_top) + + +@kb.add("b") +def _(event): + event.app.layout.focus(right_top) + + +@kb.add("c") +def _(event): + event.app.layout.focus(left_bottom) + + +@kb.add("d") +def _(event): + event.app.layout.focus(right_bottom) + + +@kb.add("tab") +def _(event): + event.app.layout.focus_next() + + +@kb.add("s-tab") +def _(event): + event.app.layout.focus_previous() + + +# 3. The `Application` +application = Application(layout=Layout(body), key_bindings=kb, full_screen=True) + + +def run(): + application.run() + + +if __name__ == "__main__": + run() diff --git a/examples/full-screen/simple-demos/horizontal-align.py b/examples/full-screen/simple-demos/horizontal-align.py new file mode 100755 index 0000000..bb0de12 --- /dev/null +++ b/examples/full-screen/simple-demos/horizontal-align.py @@ -0,0 +1,208 @@ +#!/usr/bin/env python +""" +Horizontal align demo with HSplit. +""" +from prompt_toolkit.application import Application +from prompt_toolkit.formatted_text import HTML +from prompt_toolkit.key_binding import KeyBindings +from prompt_toolkit.layout.containers import ( + HorizontalAlign, + HSplit, + VerticalAlign, + VSplit, + Window, + WindowAlign, +) +from prompt_toolkit.layout.controls import FormattedTextControl +from prompt_toolkit.layout.layout import Layout +from prompt_toolkit.widgets import Frame + +TITLE = HTML( + """ <u>HSplit HorizontalAlign</u> example. + Press <b>'q'</b> to quit.""" +) + +LIPSUM = """\ +Lorem ipsum dolor +sit amet, consectetur +adipiscing elit. +Maecenas quis +interdum enim.""" + + +# 1. The layout +body = HSplit( + [ + Frame( + Window(FormattedTextControl(TITLE), height=2), style="bg:#88ff88 #000000" + ), + HSplit( + [ + # Left alignment. + VSplit( + [ + Window( + FormattedTextControl(HTML("<u>LEFT</u>")), + width=10, + ignore_content_width=True, + style="bg:#ff3333 ansiblack", + align=WindowAlign.CENTER, + ), + VSplit( + [ + Window( + FormattedTextControl(LIPSUM), + height=4, + style="bg:#444488", + ), + Window( + FormattedTextControl(LIPSUM), + height=4, + style="bg:#444488", + ), + Window( + FormattedTextControl(LIPSUM), + height=4, + style="bg:#444488", + ), + ], + padding=1, + padding_style="bg:#888888", + align=HorizontalAlign.LEFT, + height=5, + padding_char="|", + ), + ] + ), + # Center alignment. + VSplit( + [ + Window( + FormattedTextControl(HTML("<u>CENTER</u>")), + width=10, + ignore_content_width=True, + style="bg:#ff3333 ansiblack", + align=WindowAlign.CENTER, + ), + VSplit( + [ + Window( + FormattedTextControl(LIPSUM), + height=4, + style="bg:#444488", + ), + Window( + FormattedTextControl(LIPSUM), + height=4, + style="bg:#444488", + ), + Window( + FormattedTextControl(LIPSUM), + height=4, + style="bg:#444488", + ), + ], + padding=1, + padding_style="bg:#888888", + align=HorizontalAlign.CENTER, + height=5, + padding_char="|", + ), + ] + ), + # Right alignment. + VSplit( + [ + Window( + FormattedTextControl(HTML("<u>RIGHT</u>")), + width=10, + ignore_content_width=True, + style="bg:#ff3333 ansiblack", + align=WindowAlign.CENTER, + ), + VSplit( + [ + Window( + FormattedTextControl(LIPSUM), + height=4, + style="bg:#444488", + ), + Window( + FormattedTextControl(LIPSUM), + height=4, + style="bg:#444488", + ), + Window( + FormattedTextControl(LIPSUM), + height=4, + style="bg:#444488", + ), + ], + padding=1, + padding_style="bg:#888888", + align=HorizontalAlign.RIGHT, + height=5, + padding_char="|", + ), + ] + ), + # Justify + VSplit( + [ + Window( + FormattedTextControl(HTML("<u>JUSTIFY</u>")), + width=10, + ignore_content_width=True, + style="bg:#ff3333 ansiblack", + align=WindowAlign.CENTER, + ), + VSplit( + [ + Window( + FormattedTextControl(LIPSUM), style="bg:#444488" + ), + Window( + FormattedTextControl(LIPSUM), style="bg:#444488" + ), + Window( + FormattedTextControl(LIPSUM), style="bg:#444488" + ), + ], + padding=1, + padding_style="bg:#888888", + align=HorizontalAlign.JUSTIFY, + height=5, + padding_char="|", + ), + ] + ), + ], + padding=1, + padding_style="bg:#ff3333 #ffffff", + padding_char=".", + align=VerticalAlign.TOP, + ), + ] +) + + +# 2. Key bindings +kb = KeyBindings() + + +@kb.add("q") +def _(event): + "Quit application." + event.app.exit() + + +# 3. The `Application` +application = Application(layout=Layout(body), key_bindings=kb, full_screen=True) + + +def run(): + application.run() + + +if __name__ == "__main__": + run() diff --git a/examples/full-screen/simple-demos/horizontal-split.py b/examples/full-screen/simple-demos/horizontal-split.py new file mode 100755 index 0000000..0427e67 --- /dev/null +++ b/examples/full-screen/simple-demos/horizontal-split.py @@ -0,0 +1,44 @@ +#!/usr/bin/env python +""" +Horizontal split example. +""" +from prompt_toolkit.application import Application +from prompt_toolkit.key_binding import KeyBindings +from prompt_toolkit.layout.containers import HSplit, Window +from prompt_toolkit.layout.controls import FormattedTextControl +from prompt_toolkit.layout.layout import Layout + +# 1. The layout +left_text = "\nVertical-split example. Press 'q' to quit.\n\n(top pane.)" +right_text = "\n(bottom pane.)" + + +body = HSplit( + [ + Window(FormattedTextControl(left_text)), + Window(height=1, char="-"), # Horizontal line in the middle. + Window(FormattedTextControl(right_text)), + ] +) + + +# 2. Key bindings +kb = KeyBindings() + + +@kb.add("q") +def _(event): + "Quit application." + event.app.exit() + + +# 3. The `Application` +application = Application(layout=Layout(body), key_bindings=kb, full_screen=True) + + +def run(): + application.run() + + +if __name__ == "__main__": + run() diff --git a/examples/full-screen/simple-demos/line-prefixes.py b/examples/full-screen/simple-demos/line-prefixes.py new file mode 100755 index 0000000..b52cb48 --- /dev/null +++ b/examples/full-screen/simple-demos/line-prefixes.py @@ -0,0 +1,110 @@ +#!/usr/bin/env python +""" +An example of a BufferControl in a full screen layout that offers auto +completion. + +Important is to make sure that there is a `CompletionsMenu` in the layout, +otherwise the completions won't be visible. +""" +from prompt_toolkit.application import Application +from prompt_toolkit.buffer import Buffer +from prompt_toolkit.filters import Condition +from prompt_toolkit.formatted_text import HTML +from prompt_toolkit.key_binding import KeyBindings +from prompt_toolkit.layout.containers import Float, FloatContainer, HSplit, Window +from prompt_toolkit.layout.controls import BufferControl, FormattedTextControl +from prompt_toolkit.layout.layout import Layout +from prompt_toolkit.layout.menus import CompletionsMenu + +LIPSUM = """ +Lorem ipsum dolor sit amet, consectetur adipiscing elit. Maecenas +quis interdum enim. Nam viverra, mauris et blandit malesuada, ante est bibendum +mauris, ac dignissim dui tellus quis ligula. Aenean condimentum leo at +dignissim placerat. In vel dictum ex, vulputate accumsan mi. Donec ut quam +placerat massa tempor elementum. Sed tristique mauris ac suscipit euismod. Ut +tempus vehicula augue non venenatis. Mauris aliquam velit turpis, nec congue +risus aliquam sit amet. Pellentesque blandit scelerisque felis, faucibus +consequat ante. Curabitur tempor tortor a imperdiet tincidunt. Nam sed justo +sit amet odio bibendum congue. Quisque varius ligula nec ligula gravida, sed +convallis augue faucibus. Nunc ornare pharetra bibendum. Praesent blandit ex +quis sodales maximus.""" + + +def get_line_prefix(lineno, wrap_count): + if wrap_count == 0: + return HTML('[%s] <style bg="orange" fg="black">--></style> ') % lineno + + text = str(lineno) + "-" + "*" * (lineno // 2) + ": " + return HTML('[%s.%s] <style bg="ansigreen" fg="ansiblack">%s</style>') % ( + lineno, + wrap_count, + text, + ) + + +# Global wrap lines flag. +wrap_lines = True + + +# The layout +buff = Buffer(complete_while_typing=True) +buff.text = LIPSUM + + +body = FloatContainer( + content=HSplit( + [ + Window( + FormattedTextControl( + 'Press "q" to quit. Press "w" to enable/disable wrapping.' + ), + height=1, + style="reverse", + ), + Window( + BufferControl(buffer=buff), + get_line_prefix=get_line_prefix, + wrap_lines=Condition(lambda: wrap_lines), + ), + ] + ), + floats=[ + Float( + xcursor=True, + ycursor=True, + content=CompletionsMenu(max_height=16, scroll_offset=1), + ) + ], +) + + +# Key bindings +kb = KeyBindings() + + +@kb.add("q") +@kb.add("c-c") +def _(event): + "Quit application." + event.app.exit() + + +@kb.add("w") +def _(event): + "Disable/enable wrapping." + global wrap_lines + wrap_lines = not wrap_lines + + +# The `Application` +application = Application( + layout=Layout(body), key_bindings=kb, full_screen=True, mouse_support=True +) + + +def run(): + application.run() + + +if __name__ == "__main__": + run() diff --git a/examples/full-screen/simple-demos/margins.py b/examples/full-screen/simple-demos/margins.py new file mode 100755 index 0000000..467492d --- /dev/null +++ b/examples/full-screen/simple-demos/margins.py @@ -0,0 +1,71 @@ +#!/usr/bin/env python +""" +Example of Window margins. + +This is mainly used for displaying line numbers and scroll bars, but it could +be used to display any other kind of information as well. +""" +from prompt_toolkit.application import Application +from prompt_toolkit.buffer import Buffer +from prompt_toolkit.key_binding import KeyBindings +from prompt_toolkit.layout.containers import HSplit, Window +from prompt_toolkit.layout.controls import BufferControl, FormattedTextControl +from prompt_toolkit.layout.layout import Layout +from prompt_toolkit.layout.margins import NumberedMargin, ScrollbarMargin + +LIPSUM = ( + """ +Lorem ipsum dolor sit amet, consectetur adipiscing elit. Maecenas +quis interdum enim. Nam viverra, mauris et blandit malesuada, ante est bibendum +mauris, ac dignissim dui tellus quis ligula. Aenean condimentum leo at +dignissim placerat. In vel dictum ex, vulputate accumsan mi. Donec ut quam +placerat massa tempor elementum. Sed tristique mauris ac suscipit euismod. Ut +tempus vehicula augue non venenatis. Mauris aliquam velit turpis, nec congue +risus aliquam sit amet. Pellentesque blandit scelerisque felis, faucibus +consequat ante. Curabitur tempor tortor a imperdiet tincidunt. Nam sed justo +sit amet odio bibendum congue. Quisque varius ligula nec ligula gravida, sed +convallis augue faucibus. Nunc ornare pharetra bibendum. Praesent blandit ex +quis sodales maximus.""" + * 40 +) + +# Create text buffers. The margins will update if you scroll up or down. + +buff = Buffer() +buff.text = LIPSUM + +# 1. The layout +body = HSplit( + [ + Window(FormattedTextControl('Press "q" to quit.'), height=1, style="reverse"), + Window( + BufferControl(buffer=buff), + # Add margins. + left_margins=[NumberedMargin(), ScrollbarMargin()], + right_margins=[ScrollbarMargin(), ScrollbarMargin()], + ), + ] +) + + +# 2. Key bindings +kb = KeyBindings() + + +@kb.add("q") +@kb.add("c-c") +def _(event): + "Quit application." + event.app.exit() + + +# 3. The `Application` +application = Application(layout=Layout(body), key_bindings=kb, full_screen=True) + + +def run(): + application.run() + + +if __name__ == "__main__": + run() diff --git a/examples/full-screen/simple-demos/vertical-align.py b/examples/full-screen/simple-demos/vertical-align.py new file mode 100755 index 0000000..1475d71 --- /dev/null +++ b/examples/full-screen/simple-demos/vertical-align.py @@ -0,0 +1,167 @@ +#!/usr/bin/env python +""" +Vertical align demo with VSplit. +""" +from prompt_toolkit.application import Application +from prompt_toolkit.formatted_text import HTML +from prompt_toolkit.key_binding import KeyBindings +from prompt_toolkit.layout.containers import ( + HSplit, + VerticalAlign, + VSplit, + Window, + WindowAlign, +) +from prompt_toolkit.layout.controls import FormattedTextControl +from prompt_toolkit.layout.layout import Layout +from prompt_toolkit.widgets import Frame + +TITLE = HTML( + """ <u>VSplit VerticalAlign</u> example. + Press <b>'q'</b> to quit.""" +) + +LIPSUM = """ +Lorem ipsum dolor sit amet, consectetur adipiscing elit. Maecenas +quis interdum enim. Nam viverra, mauris et blandit malesuada, ante est bibendum +mauris, ac dignissim dui tellus quis ligula. Aenean condimentum leo at +dignissim placerat.""" + +# 1. The layout +body = HSplit( + [ + Frame( + Window(FormattedTextControl(TITLE), height=2), style="bg:#88ff88 #000000" + ), + VSplit( + [ + Window( + FormattedTextControl(HTML(" <u>VerticalAlign.TOP</u>")), + height=4, + ignore_content_width=True, + style="bg:#ff3333 #000000 bold", + align=WindowAlign.CENTER, + ), + Window( + FormattedTextControl(HTML(" <u>VerticalAlign.CENTER</u>")), + height=4, + ignore_content_width=True, + style="bg:#ff3333 #000000 bold", + align=WindowAlign.CENTER, + ), + Window( + FormattedTextControl(HTML(" <u>VerticalAlign.BOTTOM</u>")), + height=4, + ignore_content_width=True, + style="bg:#ff3333 #000000 bold", + align=WindowAlign.CENTER, + ), + Window( + FormattedTextControl(HTML(" <u>VerticalAlign.JUSTIFY</u>")), + height=4, + ignore_content_width=True, + style="bg:#ff3333 #000000 bold", + align=WindowAlign.CENTER, + ), + ], + height=1, + padding=1, + padding_style="bg:#ff3333", + ), + VSplit( + [ + # Top alignment. + HSplit( + [ + Window( + FormattedTextControl(LIPSUM), height=4, style="bg:#444488" + ), + Window( + FormattedTextControl(LIPSUM), height=4, style="bg:#444488" + ), + Window( + FormattedTextControl(LIPSUM), height=4, style="bg:#444488" + ), + ], + padding=1, + padding_style="bg:#888888", + align=VerticalAlign.TOP, + padding_char="~", + ), + # Center alignment. + HSplit( + [ + Window( + FormattedTextControl(LIPSUM), height=4, style="bg:#444488" + ), + Window( + FormattedTextControl(LIPSUM), height=4, style="bg:#444488" + ), + Window( + FormattedTextControl(LIPSUM), height=4, style="bg:#444488" + ), + ], + padding=1, + padding_style="bg:#888888", + align=VerticalAlign.CENTER, + padding_char="~", + ), + # Bottom alignment. + HSplit( + [ + Window( + FormattedTextControl(LIPSUM), height=4, style="bg:#444488" + ), + Window( + FormattedTextControl(LIPSUM), height=4, style="bg:#444488" + ), + Window( + FormattedTextControl(LIPSUM), height=4, style="bg:#444488" + ), + ], + padding=1, + padding_style="bg:#888888", + align=VerticalAlign.BOTTOM, + padding_char="~", + ), + # Justify + HSplit( + [ + Window(FormattedTextControl(LIPSUM), style="bg:#444488"), + Window(FormattedTextControl(LIPSUM), style="bg:#444488"), + Window(FormattedTextControl(LIPSUM), style="bg:#444488"), + ], + padding=1, + padding_style="bg:#888888", + align=VerticalAlign.JUSTIFY, + padding_char="~", + ), + ], + padding=1, + padding_style="bg:#ff3333 #ffffff", + padding_char=".", + ), + ] +) + + +# 2. Key bindings +kb = KeyBindings() + + +@kb.add("q") +def _(event): + "Quit application." + event.app.exit() + + +# 3. The `Application` +application = Application(layout=Layout(body), key_bindings=kb, full_screen=True) + + +def run(): + application.run() + + +if __name__ == "__main__": + run() diff --git a/examples/full-screen/simple-demos/vertical-split.py b/examples/full-screen/simple-demos/vertical-split.py new file mode 100755 index 0000000..b48d106 --- /dev/null +++ b/examples/full-screen/simple-demos/vertical-split.py @@ -0,0 +1,44 @@ +#!/usr/bin/env python +""" +Vertical split example. +""" +from prompt_toolkit.application import Application +from prompt_toolkit.key_binding import KeyBindings +from prompt_toolkit.layout.containers import VSplit, Window +from prompt_toolkit.layout.controls import FormattedTextControl +from prompt_toolkit.layout.layout import Layout + +# 1. The layout +left_text = "\nVertical-split example. Press 'q' to quit.\n\n(left pane.)" +right_text = "\n(right pane.)" + + +body = VSplit( + [ + Window(FormattedTextControl(left_text)), + Window(width=1, char="|"), # Vertical line in the middle. + Window(FormattedTextControl(right_text)), + ] +) + + +# 2. Key bindings +kb = KeyBindings() + + +@kb.add("q") +def _(event): + "Quit application." + event.app.exit() + + +# 3. The `Application` +application = Application(layout=Layout(body), key_bindings=kb, full_screen=True) + + +def run(): + application.run() + + +if __name__ == "__main__": + run() diff --git a/examples/full-screen/split-screen.py b/examples/full-screen/split-screen.py new file mode 100755 index 0000000..af5403e --- /dev/null +++ b/examples/full-screen/split-screen.py @@ -0,0 +1,156 @@ +#!/usr/bin/env python +""" +Simple example of a full screen application with a vertical split. + +This will show a window on the left for user input. When the user types, the +reversed input is shown on the right. Pressing Ctrl-Q will quit the application. +""" +from prompt_toolkit.application import Application +from prompt_toolkit.buffer import Buffer +from prompt_toolkit.key_binding import KeyBindings +from prompt_toolkit.layout.containers import HSplit, VSplit, Window, WindowAlign +from prompt_toolkit.layout.controls import BufferControl, FormattedTextControl +from prompt_toolkit.layout.layout import Layout + +# 3. Create the buffers +# ------------------ + +left_buffer = Buffer() +right_buffer = Buffer() + +# 1. First we create the layout +# -------------------------- + +left_window = Window(BufferControl(buffer=left_buffer)) +right_window = Window(BufferControl(buffer=right_buffer)) + + +body = VSplit( + [ + left_window, + # A vertical line in the middle. We explicitly specify the width, to make + # sure that the layout engine will not try to divide the whole width by + # three for all these windows. + Window(width=1, char="|", style="class:line"), + # Display the Result buffer on the right. + right_window, + ] +) + +# As a demonstration. Let's add a title bar to the top, displaying "Hello world". + +# somewhere, because usually the default key bindings include searching. (Press +# Ctrl-R.) It would be really annoying if the search key bindings are handled, +# but the user doesn't see any feedback. We will add the search toolbar to the +# bottom by using an HSplit. + + +def get_titlebar_text(): + return [ + ("class:title", " Hello world "), + ("class:title", " (Press [Ctrl-Q] to quit.)"), + ] + + +root_container = HSplit( + [ + # The titlebar. + Window( + height=1, + content=FormattedTextControl(get_titlebar_text), + align=WindowAlign.CENTER, + ), + # Horizontal separator. + Window(height=1, char="-", style="class:line"), + # The 'body', like defined above. + body, + ] +) + + +# 2. Adding key bindings +# -------------------- + +# As a demonstration, we will add just a ControlQ key binding to exit the +# application. Key bindings are registered in a +# `prompt_toolkit.key_bindings.registry.Registry` instance. We use the +# `load_default_key_bindings` utility function to create a registry that +# already contains the default key bindings. + +kb = KeyBindings() + +# Now add the Ctrl-Q binding. We have to pass `eager=True` here. The reason is +# that there is another key *sequence* that starts with Ctrl-Q as well. Yes, a +# key binding is linked to a sequence of keys, not necessarily one key. So, +# what happens if there is a key binding for the letter 'a' and a key binding +# for 'ab'. When 'a' has been pressed, nothing will happen yet. Because the +# next key could be a 'b', but it could as well be anything else. If it's a 'c' +# for instance, we'll handle the key binding for 'a' and then look for a key +# binding for 'c'. So, when there's a common prefix in a key binding sequence, +# prompt-toolkit will wait calling a handler, until we have enough information. + +# Now, There is an Emacs key binding for the [Ctrl-Q Any] sequence by default. +# Pressing Ctrl-Q followed by any other key will do a quoted insert. So to be +# sure that we won't wait for that key binding to match, but instead execute +# Ctrl-Q immediately, we can pass eager=True. (Don't make a habit of adding +# `eager=True` to all key bindings, but do it when it conflicts with another +# existing key binding, and you definitely want to override that behavior. + + +@kb.add("c-c", eager=True) +@kb.add("c-q", eager=True) +def _(event): + """ + Pressing Ctrl-Q or Ctrl-C will exit the user interface. + + Setting a return value means: quit the event loop that drives the user + interface and return this value from the `Application.run()` call. + + Note that Ctrl-Q does not work on all terminals. Sometimes it requires + executing `stty -ixon`. + """ + event.app.exit() + + +# Now we add an event handler that captures change events to the buffer on the +# left. If the text changes over there, we'll update the buffer on the right. + + +def default_buffer_changed(_): + """ + When the buffer on the left changes, update the buffer on + the right. We just reverse the text. + """ + right_buffer.text = left_buffer.text[::-1] + + +left_buffer.on_text_changed += default_buffer_changed + + +# 3. Creating an `Application` instance +# ---------------------------------- + +# This glues everything together. + +application = Application( + layout=Layout(root_container, focused_element=left_window), + key_bindings=kb, + # Let's add mouse support! + mouse_support=True, + # Using an alternate screen buffer means as much as: "run full screen". + # It switches the terminal to an alternate screen. + full_screen=True, +) + + +# 4. Run the application +# ------------------- + + +def run(): + # Run the interface. (This runs the event loop until Ctrl-Q is pressed.) + application.run() + + +if __name__ == "__main__": + run() diff --git a/examples/full-screen/text-editor.py b/examples/full-screen/text-editor.py new file mode 100755 index 0000000..9c0a414 --- /dev/null +++ b/examples/full-screen/text-editor.py @@ -0,0 +1,383 @@ +#!/usr/bin/env python +""" +A simple example of a Notepad-like text editor. +""" +import datetime +from asyncio import Future, ensure_future + +from prompt_toolkit.application import Application +from prompt_toolkit.application.current import get_app +from prompt_toolkit.completion import PathCompleter +from prompt_toolkit.filters import Condition +from prompt_toolkit.key_binding import KeyBindings +from prompt_toolkit.layout.containers import ( + ConditionalContainer, + Float, + HSplit, + VSplit, + Window, + WindowAlign, +) +from prompt_toolkit.layout.controls import FormattedTextControl +from prompt_toolkit.layout.dimension import D +from prompt_toolkit.layout.layout import Layout +from prompt_toolkit.layout.menus import CompletionsMenu +from prompt_toolkit.lexers import DynamicLexer, PygmentsLexer +from prompt_toolkit.search import start_search +from prompt_toolkit.styles import Style +from prompt_toolkit.widgets import ( + Button, + Dialog, + Label, + MenuContainer, + MenuItem, + SearchToolbar, + TextArea, +) + + +class ApplicationState: + """ + Application state. + + For the simplicity, we store this as a global, but better would be to + instantiate this as an object and pass at around. + """ + + show_status_bar = True + current_path = None + + +def get_statusbar_text(): + return " Press Ctrl-C to open menu. " + + +def get_statusbar_right_text(): + return " {}:{} ".format( + text_field.document.cursor_position_row + 1, + text_field.document.cursor_position_col + 1, + ) + + +search_toolbar = SearchToolbar() +text_field = TextArea( + lexer=DynamicLexer( + lambda: PygmentsLexer.from_filename( + ApplicationState.current_path or ".txt", sync_from_start=False + ) + ), + scrollbar=True, + line_numbers=True, + search_field=search_toolbar, +) + + +class TextInputDialog: + def __init__(self, title="", label_text="", completer=None): + self.future = Future() + + def accept_text(buf): + get_app().layout.focus(ok_button) + buf.complete_state = None + return True + + def accept(): + self.future.set_result(self.text_area.text) + + def cancel(): + self.future.set_result(None) + + self.text_area = TextArea( + completer=completer, + multiline=False, + width=D(preferred=40), + accept_handler=accept_text, + ) + + ok_button = Button(text="OK", handler=accept) + cancel_button = Button(text="Cancel", handler=cancel) + + self.dialog = Dialog( + title=title, + body=HSplit([Label(text=label_text), self.text_area]), + buttons=[ok_button, cancel_button], + width=D(preferred=80), + modal=True, + ) + + def __pt_container__(self): + return self.dialog + + +class MessageDialog: + def __init__(self, title, text): + self.future = Future() + + def set_done(): + self.future.set_result(None) + + ok_button = Button(text="OK", handler=(lambda: set_done())) + + self.dialog = Dialog( + title=title, + body=HSplit([Label(text=text)]), + buttons=[ok_button], + width=D(preferred=80), + modal=True, + ) + + def __pt_container__(self): + return self.dialog + + +body = HSplit( + [ + text_field, + search_toolbar, + ConditionalContainer( + content=VSplit( + [ + Window( + FormattedTextControl(get_statusbar_text), style="class:status" + ), + Window( + FormattedTextControl(get_statusbar_right_text), + style="class:status.right", + width=9, + align=WindowAlign.RIGHT, + ), + ], + height=1, + ), + filter=Condition(lambda: ApplicationState.show_status_bar), + ), + ] +) + + +# Global key bindings. +bindings = KeyBindings() + + +@bindings.add("c-c") +def _(event): + "Focus menu." + event.app.layout.focus(root_container.window) + + +# +# Handlers for menu items. +# + + +def do_open_file(): + async def coroutine(): + open_dialog = TextInputDialog( + title="Open file", + label_text="Enter the path of a file:", + completer=PathCompleter(), + ) + + path = await show_dialog_as_float(open_dialog) + ApplicationState.current_path = path + + if path is not None: + try: + with open(path, "rb") as f: + text_field.text = f.read().decode("utf-8", errors="ignore") + except OSError as e: + show_message("Error", f"{e}") + + ensure_future(coroutine()) + + +def do_about(): + show_message("About", "Text editor demo.\nCreated by Jonathan Slenders.") + + +def show_message(title, text): + async def coroutine(): + dialog = MessageDialog(title, text) + await show_dialog_as_float(dialog) + + ensure_future(coroutine()) + + +async def show_dialog_as_float(dialog): + "Coroutine." + float_ = Float(content=dialog) + root_container.floats.insert(0, float_) + + app = get_app() + + focused_before = app.layout.current_window + app.layout.focus(dialog) + result = await dialog.future + app.layout.focus(focused_before) + + if float_ in root_container.floats: + root_container.floats.remove(float_) + + return result + + +def do_new_file(): + text_field.text = "" + + +def do_exit(): + get_app().exit() + + +def do_time_date(): + text = datetime.datetime.now().isoformat() + text_field.buffer.insert_text(text) + + +def do_go_to(): + async def coroutine(): + dialog = TextInputDialog(title="Go to line", label_text="Line number:") + + line_number = await show_dialog_as_float(dialog) + + try: + line_number = int(line_number) + except ValueError: + show_message("Invalid line number") + else: + text_field.buffer.cursor_position = ( + text_field.buffer.document.translate_row_col_to_index( + line_number - 1, 0 + ) + ) + + ensure_future(coroutine()) + + +def do_undo(): + text_field.buffer.undo() + + +def do_cut(): + data = text_field.buffer.cut_selection() + get_app().clipboard.set_data(data) + + +def do_copy(): + data = text_field.buffer.copy_selection() + get_app().clipboard.set_data(data) + + +def do_delete(): + text_field.buffer.cut_selection() + + +def do_find(): + start_search(text_field.control) + + +def do_find_next(): + search_state = get_app().current_search_state + + cursor_position = text_field.buffer.get_search_position( + search_state, include_current_position=False + ) + text_field.buffer.cursor_position = cursor_position + + +def do_paste(): + text_field.buffer.paste_clipboard_data(get_app().clipboard.get_data()) + + +def do_select_all(): + text_field.buffer.cursor_position = 0 + text_field.buffer.start_selection() + text_field.buffer.cursor_position = len(text_field.buffer.text) + + +def do_status_bar(): + ApplicationState.show_status_bar = not ApplicationState.show_status_bar + + +# +# The menu container. +# + + +root_container = MenuContainer( + body=body, + menu_items=[ + MenuItem( + "File", + children=[ + MenuItem("New...", handler=do_new_file), + MenuItem("Open...", handler=do_open_file), + MenuItem("Save"), + MenuItem("Save as..."), + MenuItem("-", disabled=True), + MenuItem("Exit", handler=do_exit), + ], + ), + MenuItem( + "Edit", + children=[ + MenuItem("Undo", handler=do_undo), + MenuItem("Cut", handler=do_cut), + MenuItem("Copy", handler=do_copy), + MenuItem("Paste", handler=do_paste), + MenuItem("Delete", handler=do_delete), + MenuItem("-", disabled=True), + MenuItem("Find", handler=do_find), + MenuItem("Find next", handler=do_find_next), + MenuItem("Replace"), + MenuItem("Go To", handler=do_go_to), + MenuItem("Select All", handler=do_select_all), + MenuItem("Time/Date", handler=do_time_date), + ], + ), + MenuItem( + "View", + children=[MenuItem("Status Bar", handler=do_status_bar)], + ), + MenuItem( + "Info", + children=[MenuItem("About", handler=do_about)], + ), + ], + floats=[ + Float( + xcursor=True, + ycursor=True, + content=CompletionsMenu(max_height=16, scroll_offset=1), + ), + ], + key_bindings=bindings, +) + + +style = Style.from_dict( + { + "status": "reverse", + "shadow": "bg:#440044", + } +) + + +layout = Layout(root_container, focused_element=text_field) + + +application = Application( + layout=layout, + enable_page_navigation_bindings=True, + style=style, + mouse_support=True, + full_screen=True, +) + + +def run(): + application.run() + + +if __name__ == "__main__": + run() |