| 1 | //! Portable slot geometry from Codewhale's `tui/ui/frame.rs`. |
| 2 | //! The conversation has no permanent header or side pane. The caller paints |
| 3 | //! pending input, composer, posture, workflow progress, metrics and work dock. |
| 4 | use crate::{Paint, Role, Theme}; |
| 5 | use ratatui::{buffer::Buffer, layout::Rect}; |
| 6 | |
| 7 | #[derive(Clone, Copy, Debug, Default, PartialEq, Eq)] |
| 8 | pub struct ShellAreas { |
| 9 | pub conversation: Rect, |
| 10 | pub pending: Rect, |
| 11 | pub composer: Rect, |
| 12 | pub posture: Rect, |
| 13 | pub workflows: Rect, |
| 14 | pub metrics: Rect, |
| 15 | pub workbar: Rect, |
| 16 | } |
| 17 | |
| 18 | #[derive(Clone, Copy, Debug)] |
| 19 | pub struct TerminalShell { |
| 20 | pub composer_rows: u16, |
| 21 | pub pending_rows: u16, |
| 22 | pub workflow_rows: u16, |
| 23 | pub workbar_rows: u16, |
| 24 | pub minimum_chat_rows: u16, |
| 25 | } |
| 26 | impl TerminalShell { |
| 27 | pub const fn new(composer_rows: u16) -> Self { |
| 28 | Self { |
| 29 | composer_rows, |
| 30 | pending_rows: 0, |
| 31 | workflow_rows: 0, |
| 32 | workbar_rows: 0, |
| 33 | minimum_chat_rows: 3, |
| 34 | } |
| 35 | } |
| 36 | pub const fn pending_rows(mut self, rows: u16) -> Self { |
| 37 | self.pending_rows = rows; |
| 38 | self |
| 39 | } |
| 40 | pub const fn workflow_rows(mut self, rows: u16) -> Self { |
| 41 | self.workflow_rows = rows; |
| 42 | self |
| 43 | } |
| 44 | pub const fn workbar_rows(mut self, rows: u16) -> Self { |
| 45 | self.workbar_rows = rows; |
| 46 | self |
| 47 | } |
| 48 | pub fn areas(&self, area: Rect) -> ShellAreas { |
| 49 | let composer = self.composer_rows.min(area.height); |
| 50 | let mut remaining = area.height.saturating_sub(composer); |
| 51 | let posture = remaining.min(1); |
| 52 | remaining = remaining.saturating_sub(posture); |
| 53 | let metrics = remaining.min(1); |
| 54 | remaining = remaining.saturating_sub(metrics); |
| 55 | let chat = remaining.min(self.minimum_chat_rows); |
| 56 | let mut auxiliary = remaining.saturating_sub(chat); |
| 57 | let dock = self.workbar_rows.min(auxiliary); |
| 58 | auxiliary = auxiliary.saturating_sub(dock); |
| 59 | let pending = self.pending_rows.min(4).min(auxiliary); |
| 60 | auxiliary = auxiliary.saturating_sub(pending); |
| 61 | let workflows = self.workflow_rows.min(auxiliary); |
| 62 | let conversation = remaining |
| 63 | .saturating_sub(dock) |
| 64 | .saturating_sub(pending) |
| 65 | .saturating_sub(workflows); |
| 66 | let mut y = area.y; |
| 67 | let mut slot = |height: u16| { |
| 68 | let rect = Rect::new(area.x, y, area.width, height); |
| 69 | y = y.saturating_add(height); |
| 70 | rect |
| 71 | }; |
| 72 | ShellAreas { |
| 73 | conversation: slot(conversation), |
| 74 | pending: slot(pending), |
| 75 | composer: slot(composer), |
| 76 | posture: slot(posture), |
| 77 | workflows: slot(workflows), |
| 78 | metrics: slot(metrics), |
| 79 | workbar: slot(dock), |
| 80 | } |
| 81 | } |
| 82 | } |
| 83 | impl Paint for TerminalShell { |
| 84 | fn paint(&self, area: Rect, buf: &mut Buffer, theme: &Theme) { |
| 85 | buf.set_style( |
| 86 | area.intersection(buf.area), |
| 87 | theme.bg(Role::Background).patch(theme.fg(Role::Foreground)), |
| 88 | ); |
| 89 | } |
| 90 | } |
| 91 |