Create the screenplay library

This is a library that helps out with visualizing GTK scenes
This commit is contained in:
Savanni D'Gerinel 2023-03-21 09:44:52 -04:00
parent db80f47e8b
commit 44171393ef
3 changed files with 833 additions and 0 deletions

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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
[[package]]
name = "winapi-x86_64-pc-windows-gnu"
version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
[[package]]
name = "winnow"
version = "0.3.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "23d020b441f92996c80d94ae9166e8501e59c7bb56121189dc9eab3bd8216966"
dependencies = [
"memchr",
]

10
screenplay/Cargo.toml Normal file
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@ -0,0 +1,10 @@
[package]
name = "screenplay"
version = "0.1.0"
edition = "2021"
license = "GPL-3.0-only"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
gtk = { version = "0.5", package = "gtk4" }

116
screenplay/src/lib.rs Normal file
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/*
Copyright 2023, Savanni D'Gerinel <savanni@luminescent-dreams.com>
This file is part of Screenplay.
Screenplay is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
Screenplay is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with Lumeto. If not, see <https://www.gnu.org/licenses/>.
*/
use gtk::prelude::*;
#[derive(Clone, Debug)]
pub enum Action {
SelectPage(usize),
Deselect,
}
#[derive(Clone, Debug)]
pub struct Error;
#[derive(Clone)]
pub struct Screen {
pub title: String,
pub widget: gtk::Widget,
pub adjustments: Vec<gtk::Widget>,
}
#[derive(Clone)]
pub struct Screenplay {
frame: gtk::Frame,
screens: Vec<Screen>,
}
impl Screenplay {
pub fn new(gtk_app: &gtk::Application, screens: Vec<Screen>) -> Result<Self, Error> {
let window = gtk::ApplicationWindow::new(gtk_app);
window.show();
let (sender, receiver) = gtk::glib::MainContext::channel(gtk::glib::PRIORITY_DEFAULT);
let layout = gtk::Box::builder()
.orientation(gtk::Orientation::Horizontal)
.build();
window.set_child(Some(&layout));
let listbox = gtk::ListBox::builder()
.activate_on_single_click(true)
.show_separators(true)
.focusable(false)
.build();
let frame = gtk::Frame::builder()
.height_request(500)
.width_request(500)
.build();
layout.append(&listbox);
layout.append(&frame);
listbox.connect_row_activated(move |_, row| {
match row.index() {
-1 => sender.send(Action::Deselect),
idx => sender.send(Action::SelectPage(idx as usize)),
}
.unwrap()
});
screens.iter().for_each(|Screen { title, .. }| {
listbox.append(
&gtk::ListBoxRow::builder()
.child(&gtk::Label::new(Some(title.as_ref())))
.build(),
);
});
let storybook = Self { frame, screens };
{
let mut storybook = storybook.clone();
receiver.attach(None, move |message| storybook.process_action(message));
}
Ok(storybook)
}
fn process_action(&mut self, message: Action) -> Continue {
let nothing: Option<&gtk::Widget> = None;
match message {
Action::SelectPage(index) => match self.screens.get(index) {
Some(Screen {
widget,
adjustments,
..
}) => {
let b = gtk::Box::new(gtk::Orientation::Vertical, 0);
let control_box = gtk::Box::new(gtk::Orientation::Vertical, 0);
b.append(widget);
b.append(&control_box);
adjustments
.iter()
.for_each(|control| control_box.append(control));
self.frame.set_child(Some(&b));
}
None => self.frame.set_child(nothing),
},
Action::Deselect => self.frame.set_child(nothing),
}
Continue(true)
}
}