From cd19295fa6910c6f4d39089d8a862a3240b1bca4 Mon Sep 17 00:00:00 2001
From: Axel Kappel <69117984+Kl4rry@users.noreply.github.com>
Date: Thu, 18 Apr 2024 19:12:16 +0200
Subject: [PATCH] make palette multiline

---
 crates/ferrite-core/src/palette.rs            |  8 ++++
 crates/ferrite-tui/src/lib.rs                 | 16 +++++++-
 .../ferrite-tui/src/widgets/palette_widget.rs | 38 ++++++++++++-------
 3 files changed, 46 insertions(+), 16 deletions(-)

diff --git a/crates/ferrite-core/src/palette.rs b/crates/ferrite-core/src/palette.rs
index d98394b..81cbc4b 100644
--- a/crates/ferrite-core/src/palette.rs
+++ b/crates/ferrite-core/src/palette.rs
@@ -163,6 +163,14 @@ impl CommandPalette {
             None
         }
     }
+
+    pub fn height(&self) -> usize {
+        match &self.state {
+            PaletteState::Message(string) => string.lines().count(),
+            PaletteState::Error(string) => string.lines().count(),
+            _ => 1,
+        }
+    }
 }
 
 impl CommandPalette {
diff --git a/crates/ferrite-tui/src/lib.rs b/crates/ferrite-tui/src/lib.rs
index a83c2d2..e30993c 100644
--- a/crates/ferrite-tui/src/lib.rs
+++ b/crates/ferrite-tui/src/lib.rs
@@ -145,7 +145,13 @@ impl TuiApp {
                 let theme = &self.engine.themes[&self.engine.config.theme];
                 f.render_widget(BackgroundWidget::new(theme), f.size());
                 let size = f.size();
-                let editor_size = Rect::new(size.x, size.y, size.width, size.height - 1);
+                let editor_size = Rect::new(
+                    size.x,
+                    size.y,
+                    size.width,
+                    size.height
+                        .saturating_sub(self.engine.palette.height() as u16),
+                );
 
                 self.buffer_area = editor_size;
                 let current_pane = self.engine.workspace.panes.get_current_pane();
@@ -212,7 +218,13 @@ impl TuiApp {
                     );
                 }
 
-                let palette_size = Rect::new(size.left(), size.bottom() - 1, size.width, 1);
+                let palette_size = Rect::new(
+                    size.left(),
+                    size.bottom()
+                        .saturating_sub(self.engine.palette.height() as u16),
+                    size.width,
+                    (self.engine.palette.height() as u16).min(size.height),
+                );
                 f.render_stateful_widget(
                     CmdPaletteWidget::new(theme, self.engine.palette.has_focus(), size),
                     palette_size,
diff --git a/crates/ferrite-tui/src/widgets/palette_widget.rs b/crates/ferrite-tui/src/widgets/palette_widget.rs
index c676594..5f09183 100644
--- a/crates/ferrite-tui/src/widgets/palette_widget.rs
+++ b/crates/ferrite-tui/src/widgets/palette_widget.rs
@@ -69,22 +69,32 @@ impl StatefulWidget for CmdPaletteWidget<'_> {
                 }
             }
             PaletteState::Message(msg) => {
-                buf.set_stringn(
-                    area.x,
-                    area.y,
-                    msg,
-                    area.width.into(),
-                    convert_style(&self.theme.text),
-                );
+                for (i, line) in msg.lines().enumerate() {
+                    if i >= area.height.into() {
+                        break;
+                    }
+                    buf.set_stringn(
+                        area.x,
+                        area.y + i as u16,
+                        line,
+                        area.width.into(),
+                        convert_style(&self.theme.text),
+                    );
+                }
             }
             PaletteState::Error(msg) => {
-                buf.set_stringn(
-                    area.x,
-                    area.y,
-                    msg,
-                    area.width.into(),
-                    convert_style(&self.theme.error_text),
-                );
+                for (i, line) in msg.lines().enumerate() {
+                    if i >= area.height.into() {
+                        break;
+                    }
+                    buf.set_stringn(
+                        area.x,
+                        area.y + i as u16,
+                        line,
+                        area.width.into(),
+                        convert_style(&self.theme.error_text),
+                    );
+                }
             }
             PaletteState::Nothing => (),
             PaletteState::Prompt {