Improve navigation (#29)

* offer commit only when selecting staging area
* show quickbar cmd to switch between unstaged/staged
* adjust size of focused file tree

Author: Stephan Dilly

src/app.rs

@@ -138,10 +138,17 @@ impl App {
         let left_chunks = Layout::default()
             .direction(Direction::Vertical)
             .constraints(
-                [
-                    Constraint::Percentage(50),
-                    Constraint::Percentage(50),
-                ]
+                if self.diff_target == DiffTarget::WorkingDir {
+                    [
+                        Constraint::Percentage(60),
+                        Constraint::Percentage(40),
+                    ]
+                } else {
+                    [
+                        Constraint::Percentage(40),
+                        Constraint::Percentage(60),
+                    ]
+                }
                 .as_ref(),
             )
             .split(chunks[0]);
@@ -187,6 +194,13 @@ impl App {
                         DiffTarget::WorkingDir => Focus::WorkDir,
                     })
                 }
+                keys::OPEN_COMMIT
+                    if !self.index.is_empty()
+                        && self.offer_open_commit_cmd() =>
+                {
+                    self.commit.show();
+                    NeedsUpdate::COMMANDS
+                }
                 _ => NeedsUpdate::empty(),
             };
 
@@ -295,7 +309,6 @@ impl App {
         self.index_wd.update(&status.work_dir);
 
         self.update_diff();
-        self.commit.set_stage_empty(self.index.is_empty());
         self.update_commands();
     }
 
@@ -413,6 +426,33 @@ impl App {
                 ));
             }
 
+            res.push(
+                CommandInfo::new(
+                    commands::COMMIT_OPEN,
+                    !self.index.is_empty(),
+                    self.offer_open_commit_cmd(),
+                )
+                .order(-1),
+            );
+
+            res.push(
+                CommandInfo::new(
+                    commands::SELECT_STAGING,
+                    true,
+                    self.focus == Focus::WorkDir,
+                )
+                .order(-2),
+            );
+
+            res.push(
+                CommandInfo::new(
+                    commands::SELECT_UNSTAGED,
+                    true,
+                    self.focus == Focus::Stage,
+                )
+                .order(-2),
+            );
+
             res.push(
                 CommandInfo::new(
                     commands::QUIT,
@@ -426,6 +466,11 @@ impl App {
         res
     }
 
+    fn offer_open_commit_cmd(&self) -> bool {
+        !self.commit.is_visible()
+            && self.diff_target == DiffTarget::Stage
+    }
+
     fn components(&self) -> Vec<&dyn Component> {
         vec![
             &self.msg,

src/components/commit.rs

@@ -3,7 +3,6 @@ use super::{
     DrawableComponent,
 };
 use crate::{
-    keys,
     queue::{InternalEvent, NeedsUpdate, Queue},
     strings, ui,
 };
@@ -24,7 +23,6 @@ use tui::{
 pub struct CommitComponent {
     msg: String,
     visible: bool,
-    stage_empty: bool,
     queue: Queue,
 }
 
@@ -62,11 +60,6 @@ impl Component for CommitComponent {
         out: &mut Vec<CommandInfo>,
         _force_all: bool,
     ) -> CommandBlocking {
-        out.push(CommandInfo::new(
-            commands::COMMIT_OPEN,
-            !self.stage_empty,
-            !self.visible,
-        ));
         out.push(CommandInfo::new(
             commands::COMMIT_ENTER,
             self.can_commit(),
@@ -100,13 +93,6 @@ impl Component for CommitComponent {
                 };
                 return true;
             }
-        } else if let Event::Key(e) = ev {
-            if let keys::OPEN_COMMIT = e {
-                if !self.stage_empty {
-                    self.show();
-                    return true;
-                }
-            }
         }
         false
     }
@@ -130,7 +116,6 @@ impl CommitComponent {
         Self {
             queue,
             msg: String::default(),
-            stage_empty: true,
             visible: false,
         }
     }
@@ -171,9 +156,4 @@ impl CommitComponent {
     fn can_commit(&self) -> bool {
         !self.msg.is_empty()
     }
-
-    ///
-    pub fn set_stage_empty(&mut self, empty: bool) {
-        self.stage_empty = empty;
-    }
 }

src/strings.rs

@@ -67,6 +67,18 @@ pub mod commands {
     )
     .hide_help();
     ///
+    pub static SELECT_STAGING: CommandText = CommandText::new(
+        "Focus Staging [2]",
+        "focus/select staging area",
+        CMD_GROUP_GENERAL,
+    );
+    ///
+    pub static SELECT_UNSTAGED: CommandText = CommandText::new(
+        "Focus Unstaged [1]",
+        "focus/select unstaged area",
+        CMD_GROUP_GENERAL,
+    );
+    ///
     pub static COMMIT_OPEN: CommandText = CommandText::new(
         "Commit [c]",
         "open commit view (available in non-empty stage)",