mix 0.2.1

mix - a rust ui library cooked up in half a day! (expect extra salt)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134

use crate::platform::Cx;
use crate::platform::event::Event;
use crate::platform::window::WindowId;
use crate::platform::area::Area;
use crate::platform::pass::{PassId, PassClearColor};
use crate::draw::Cx2d;
use crate::draw::draw_list_2d::DrawList2d;
use crate::draw::quad::DrawQuad;
use crate::draw::math::Vec2;
use crate::widgets::widget::{Widget, DrawStep, WidgetRef};
use crate::widgets::view::View;
use crate::widgets::theme::Theme;

pub struct Window {
    pub title: String,
    pub window_id: WindowId,
    pub pass_id: PassId,
    pub draw_list: DrawList2d,
    pub area: Area,
    pub draw_bg: DrawQuad,
    pub content: WidgetRef,
    pub theme: Theme,
    pub size: Vec2,
}

impl Window {
    pub fn new(cx: &mut Cx, title: &str) -> Self {
        let theme = Theme::default();

        // Create window
        let window_id = cx.create_window(title, 800, 600);

        // Create pass
        let pass_id = cx.create_pass();
        if let Some(pass) = cx.passes.get_mut(&pass_id) {
            pass.set_window_parent(window_id);
            pass.set_clear_color(PassClearColor::new(
                theme.background_color.r,
                theme.background_color.g,
                theme.background_color.b,
                1.0,
            ));
        }

        // Create main draw list
        let draw_list = DrawList2d::new(cx);

        // Create content view
        let content = View::new(cx);

        Self {
            title: title.to_string(),
            window_id,
            pass_id,
            draw_list,
            area: cx.create_area(),
            draw_bg: DrawQuad::new()
                .with_color(theme.background_color),
            content: WidgetRef::new(content),
            theme,
            size: Vec2::new(800.0, 600.0),
        }
    }

    pub fn with_size(mut self, width: f32, height: f32) -> Self {
        self.size = Vec2::new(width, height);
        self
    }

    pub fn with_theme(mut self, theme: Theme) -> Self {
        let bg_color = theme.background_color;
        self.theme = theme;
        self.draw_bg = self.draw_bg.with_color(bg_color);
        self
    }

    pub fn with_content<W: Widget + 'static>(mut self, content: W) -> Self {
        self.content = WidgetRef::new(content);
        self
    }

    pub fn set_title(&mut self, title: &str) {
        self.title = title.to_string();
        // Update window title in platform
    }
}

impl Widget for Window {
    fn handle_event(&mut self, cx: &mut Cx, event: &Event) {
        // Handle window-specific events
        match event {
            Event::WindowResize { window_id, width, height, .. } => {
                if *window_id == self.window_id {
                    self.size = Vec2::new(*width, *height);
                }
            },
            _ => {}
        }

        // Pass events to content
        self.content.handle_event(cx, event);
    }

    fn draw(&mut self, cx: &mut Cx2d) -> DrawStep {
        // Begin drawing
        self.draw_list.begin(cx);

        // Draw background
        let rect = crate::draw::rect::Rect::new(0.0, 0.0, self.size.x, self.size.y);
        self.draw_bg.draw(cx, self.draw_list.id(), &rect);

        // Create a turtle for the content
        cx.begin_sized_turtle(self.size, crate::draw::layout::Layout::vertical());

        // Draw content
        let draw_step = self.content.draw(cx);

        // End turtle
        cx.end_turtle();

        // End drawing
        self.draw_list.end(cx);

        // Set the main draw list for the pass
        if let Some(pass) = cx.passes.get_mut(&self.pass_id) {
            pass.set_main_draw_list(self.draw_list.id());
        }

        draw_step
    }
}