Move half page (#143)

* Add console shortcuts

* Add support for proportional page movements

2 files changed, 20 insertions, 10 deletions

diff --git a/src/commands/cursor_move.rs b/src/commands/cursor_move.rs
index 5d9430f..60d4fd5 100644
--- a/src/commands/cursor_move.rs
+++ b/src/commands/cursor_move.rs
@@ -54,7 +54,7 @@ pub fn cursor_move(context: &mut AppContext, new_index: usize) {
     }
 }
 
-pub fn up(context: &mut AppContext, u: usize) -> JoshutoResult<()> {
+pub fn up(context: &mut AppContext, u: usize) -> JoshutoResult {
     let movement = match context.tab_context_ref().curr_tab_ref().curr_list_ref() {
         Some(curr_list) => curr_list
             .get_index()
@@ -68,7 +68,7 @@ pub fn up(context: &mut AppContext, u: usize) -> JoshutoResult<()> {
     Ok(())
 }
 
-pub fn down(context: &mut AppContext, u: usize) -> JoshutoResult<()> {
+pub fn down(context: &mut AppContext, u: usize) -> JoshutoResult {
     let movement = match context.tab_context_ref().curr_tab_ref().curr_list_ref() {
         Some(curr_list) => curr_list.get_index().map(|idx| idx + u),
         None => None,
@@ -79,7 +79,7 @@ pub fn down(context: &mut AppContext, u: usize) -> JoshutoResult<()> {
     Ok(())
 }
 
-pub fn home(context: &mut AppContext) -> JoshutoResult<()> {
+pub fn home(context: &mut AppContext) -> JoshutoResult {
     let movement: Option<usize> = match context.tab_context_ref().curr_tab_ref().curr_list_ref() {
         Some(curr_list) => {
             let len = curr_list.len();
@@ -98,7 +98,7 @@ pub fn home(context: &mut AppContext) -> JoshutoResult<()> {
     Ok(())
 }
 
-pub fn end(context: &mut AppContext) -> JoshutoResult<()> {
+pub fn end(context: &mut AppContext) -> JoshutoResult {
     let movement: Option<usize> = match context.tab_context_ref().curr_tab_ref().curr_list_ref() {
         Some(curr_list) => {
             let len = curr_list.len();
@@ -135,8 +135,13 @@ fn get_page_size(context: &AppContext, backend: &TuiBackend) -> Option<usize> {
     }
 }
 
-pub fn page_up(context: &mut AppContext, backend: &mut TuiBackend) -> JoshutoResult<()> {
-    let page_size = get_page_size(context, backend).unwrap_or(10);
+pub fn page_up(
+    context: &mut AppContext,
+    backend: &mut TuiBackend,
+    proportion: f64,
+) -> JoshutoResult {
+    let page_size = get_page_size(context, backend).unwrap_or(10) as f64 * proportion;
+    let page_size = page_size as usize;
 
     let movement = match context.tab_context_ref().curr_tab_ref().curr_list_ref() {
         Some(curr_list) => {
@@ -153,8 +158,13 @@ pub fn page_up(context: &mut AppContext, backend: &mut TuiBackend) -> JoshutoRes
     Ok(())
 }
 
-pub fn page_down(context: &mut AppContext, backend: &mut TuiBackend) -> JoshutoResult<()> {
-    let page_size = get_page_size(context, backend).unwrap_or(10);
+pub fn page_down(
+    context: &mut AppContext,
+    backend: &mut TuiBackend,
+    proportion: f64,
+) -> JoshutoResult {
+    let page_size = get_page_size(context, backend).unwrap_or(10) as f64 * proportion;
+    let page_size = page_size as usize;
 
     let movement = match context.tab_context_ref().curr_tab_ref().curr_list_ref() {
         Some(curr_list) => {
diff --git a/src/commands/help.rs b/src/commands/help.rs
index d47a0f4..3c073bb 100644
--- a/src/commands/help.rs
+++ b/src/commands/help.rs
@@ -54,8 +54,8 @@ pub fn help_loop(
                                     Command::CursorMoveDown(_) => move_offset(&mut offset, 1),
                                     Command::CursorMoveHome => offset = 0,
                                     Command::CursorMoveEnd => offset = 255,
-                                    Command::CursorMovePageUp => move_offset(&mut offset, -10),
-                                    Command::CursorMovePageDown => move_offset(&mut offset, 10),
+                                    Command::CursorMovePageUp(_) => move_offset(&mut offset, -10),
+                                    Command::CursorMovePageDown(_) => move_offset(&mut offset, 10),
                                     Command::CloseTab | Command::Help => break,
                                     _ => (),
                                 }