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-rw-r--r--helix-view/src/commands.rs28
-rw-r--r--helix-view/src/view.rs10
2 files changed, 19 insertions, 19 deletions
diff --git a/helix-view/src/commands.rs b/helix-view/src/commands.rs
index 9ebdb4c4..19853c37 100644
--- a/helix-view/src/commands.rs
+++ b/helix-view/src/commands.rs
@@ -13,7 +13,7 @@ use crate::view::View;
/// state (usually by creating and applying a transaction).
pub type Command = fn(view: &mut View, count: usize);
-const PADDING: u16 = 5;
+const PADDING: usize = 5;
pub fn move_char_left(view: &mut View, count: usize) {
// TODO: use a transaction
@@ -137,8 +137,8 @@ pub fn move_file_end(view: &mut View, _count: usize) {
pub fn check_cursor_in_view(view: &mut View) -> bool {
let cursor = view.state.selection().cursor();
- let line = view.state.doc().char_to_line(cursor) as u16;
- let document_end = view.first_line + view.size.1.saturating_sub(1);
+ let line = view.state.doc().char_to_line(cursor);
+ let document_end = view.first_line + view.size.1.saturating_sub(1) as usize;
if (line > document_end.saturating_sub(PADDING)) | (line < view.first_line + PADDING) {
return false;
@@ -147,28 +147,28 @@ pub fn check_cursor_in_view(view: &mut View) -> bool {
}
pub fn page_up(view: &mut View, _count: usize) {
- let text = &view.state.doc;
- view.first_line = view.first_line.saturating_sub(view.size.1);
- let pos = text.line_to_char(view.last_line() as usize);
+ view.first_line = view.first_line.saturating_sub(view.size.1 as usize);
if !check_cursor_in_view(view) {
- let text = &view.state.doc;
+ let text = view.state.doc();
let pos = text.line_to_char(view.last_line().saturating_sub(PADDING as usize));
view.state.selection = Selection::single(pos, pos);
}
}
pub fn page_down(view: &mut View, _count: usize) {
- let text = &view.state.doc;
- view.first_line += view.size.1 + PADDING;
- if view.first_line < view.state.doc().len_lines() as u16 {
+ view.first_line += view.size.1 as usize + PADDING;
+
+ if view.first_line < view.state.doc().len_lines() {
+ let text = view.state.doc();
let pos = text.line_to_char(view.first_line as usize);
view.state.selection = Selection::single(pos, pos);
}
}
pub fn half_page_up(view: &mut View, _count: usize) {
- view.first_line = view.first_line.saturating_sub(view.size.1 / 2);
+ view.first_line = view.first_line.saturating_sub(view.size.1 as usize / 2);
+
if !check_cursor_in_view(view) {
let text = &view.state.doc;
let pos = text.line_to_char(view.last_line() - PADDING as usize);
@@ -178,11 +178,11 @@ pub fn half_page_up(view: &mut View, _count: usize) {
pub fn half_page_down(view: &mut View, _count: usize) {
let lines = view.state.doc().len_lines();
- if view.first_line < lines.saturating_sub(view.size.1 as usize) as u16 {
- view.first_line += view.size.1 / 2;
+ if view.first_line < lines.saturating_sub(view.size.1 as usize) {
+ view.first_line += view.size.1 as usize / 2;
}
if !check_cursor_in_view(view) {
- let text = &view.state.doc;
+ let text = view.state.doc();
let pos = text.line_to_char(view.first_line as usize);
view.state.selection = Selection::single(pos, pos);
}
diff --git a/helix-view/src/view.rs b/helix-view/src/view.rs
index 6ef5ee6f..887c45a2 100644
--- a/helix-view/src/view.rs
+++ b/helix-view/src/view.rs
@@ -11,7 +11,7 @@ use tui::layout::Rect;
pub struct View {
pub state: State,
- pub first_line: u16,
+ pub first_line: usize,
pub size: (u16, u16),
pub theme: Theme, // TODO: share one instance
}
@@ -33,10 +33,10 @@ impl View {
pub fn ensure_cursor_in_view(&mut self) {
let cursor = self.state.selection().cursor();
- let line = self.state.doc().char_to_line(cursor) as u16;
- let document_end = self.first_line + self.size.1.saturating_sub(1);
+ let line = self.state.doc().char_to_line(cursor);
+ let document_end = self.first_line + (self.size.1 as usize).saturating_sub(1);
- let padding = 5u16;
+ let padding = 5usize;
// TODO: side scroll
@@ -54,7 +54,7 @@ impl View {
pub fn last_line(&self) -> usize {
let viewport = Rect::new(6, 0, self.size.0, self.size.1 - 1); // - 1 for statusline
std::cmp::min(
- (self.first_line + viewport.height) as usize,
+ self.first_line + (viewport.height as usize),
self.state.doc().len_lines() - 1,
)
}