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@ -133,22 +133,60 @@ pub fn move_file_end(view: &mut View, _count: usize) {
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view.state.mode = Mode::Normal;
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}
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pub fn check_cursor_in_view(view: &mut View) -> bool {
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let cursor = view.state.selection().cursor();
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let line = view.state.doc().char_to_line(cursor) as u16;
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let document_end = view.first_line + view.size.1.saturating_sub(1) - 1;
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let padding = 5u16;
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if (line > document_end.saturating_sub(padding)) | (line < view.first_line + padding) {
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return false;
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}
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true
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}
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pub fn page_up(view: &mut View, _count: usize) {
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let text = &view.state.doc;
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view.first_line = view.first_line.saturating_sub(view.size.1);
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view.state.selection = Selection::single(view.first_line as usize, view.first_line as usize);
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view.state.selection = Selection::single(
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text.line_to_char(view.first_line as usize),
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text.line_to_char(view.first_line as usize),
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);
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}
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pub fn page_down(view: &mut View, _count: usize) {
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let text = &view.state.doc;
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view.first_line += view.size.1;
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view.state.selection = Selection::single(view.first_line as usize, view.first_line as usize);
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view.state.selection = Selection::single(
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text.line_to_char(view.first_line as usize),
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text.line_to_char(view.first_line as usize),
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);
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}
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pub fn half_page_up(view: &mut View, _count: usize) {
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view.first_line = view.first_line.saturating_sub(view.size.1 / 2);
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if !check_cursor_in_view(view) {
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let text = &view.state.doc;
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view.state.selection = Selection::single(
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text.line_to_char(view.first_line as usize),
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text.line_to_char(view.first_line as usize),
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);
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}
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}
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pub fn half_page_down(view: &mut View, _count: usize) {
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view.first_line += view.size.1 / 2;
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if !check_cursor_in_view(view) {
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let text = &view.state.doc;
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view.state.selection = Selection::single(
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text.line_to_char(view.first_line as usize),
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text.line_to_char(view.first_line as usize),
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);
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}
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}
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// avoid select by default by having a visual mode switch that makes movements into selects
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