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working colors in vim mode

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filipriec
2025-08-03 22:08:52 +02:00
parent 4146d0820b
commit 3d4435bac5
1 changed files with 30 additions and 36 deletions
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66
canvas/src/canvas/gui.rs
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@@ -265,7 +265,7 @@ fn apply_highlighting<'a, T: CanvasTheme>(
}
}
/// Apply characterwise highlighting - DIRECTION-AWARE VERSION
/// Apply characterwise highlighting - PROPER VIM-LIKE VERSION
#[cfg(feature = "gui")]
fn apply_characterwise_highlighting<'a, T: CanvasTheme>(
text: &'a str,
@@ -281,16 +281,19 @@ fn apply_characterwise_highlighting<'a, T: CanvasTheme>(
let start_field = min(anchor_field, *current_field_idx);
let end_field = max(anchor_field, *current_field_idx);
// Vim-like styling:
// - Selected text: contrasting color + background (like vim visual selection)
// - All other text: normal color (no special colors for active fields, etc.)
let highlight_style = Style::default()
.fg(theme.highlight())
.bg(theme.highlight_bg())
.fg(theme.highlight()) // ✅ Contrasting text color for selected text
.bg(theme.highlight_bg()) // ✅ Background for selected text
.add_modifier(Modifier::BOLD);
let normal_style_in_highlight = Style::default().fg(theme.highlight());
let normal_style_outside = Style::default().fg(theme.fg());
let normal_style = Style::default().fg(theme.fg()); // ✅ Normal text color everywhere else
if field_index >= start_field && field_index <= end_field {
if start_field == end_field {
// Single field selection - same as before
// Single field selection
let (start_char, end_char) = if anchor_field == *current_field_idx {
(min(anchor_char, current_cursor_pos), max(anchor_char, current_cursor_pos))
} else if anchor_field < *current_field_idx {
@@ -310,72 +313,64 @@ fn apply_characterwise_highlighting<'a, T: CanvasTheme>(
let after: String = text.chars().skip(clamped_end + 1).collect();
Line::from(vec![
Span::styled(before, normal_style_in_highlight),
Span::styled(highlighted, highlight_style),
Span::styled(after, normal_style_in_highlight),
Span::styled(before, normal_style), // Normal text color
Span::styled(highlighted, highlight_style), // Contrasting color + background
Span::styled(after, normal_style), // Normal text color
])
} else {
// Multi-field selection - think in terms of anchor→current direction
// Multi-field selection
if field_index == anchor_field {
// Anchor field: highlight from anchor position toward the selection
if anchor_field < *current_field_idx {
// Downward selection: highlight from anchor to end of field
let clamped_start = anchor_char.min(text_len);
let before: String = text.chars().take(clamped_start).collect();
let highlighted: String = text.chars().skip(clamped_start).collect();
Line::from(vec![
Span::styled(before, normal_style_in_highlight),
Span::styled(before, normal_style),
Span::styled(highlighted, highlight_style),
])
} else {
// Upward selection: highlight from start of field to anchor
let clamped_end = anchor_char.min(text_len);
let highlighted: String = text.chars().take(clamped_end + 1).collect();
let after: String = text.chars().skip(clamped_end + 1).collect();
Line::from(vec![
Span::styled(highlighted, highlight_style),
Span::styled(after, normal_style_in_highlight),
Span::styled(after, normal_style),
])
}
} else if field_index == *current_field_idx {
// Current field: highlight toward the cursor position
if anchor_field < *current_field_idx {
// Downward selection: highlight from start of field to cursor
let clamped_end = current_cursor_pos.min(text_len);
let highlighted: String = text.chars().take(clamped_end + 1).collect();
let after: String = text.chars().skip(clamped_end + 1).collect();
Line::from(vec![
Span::styled(highlighted, highlight_style),
Span::styled(after, normal_style_in_highlight),
Span::styled(after, normal_style),
])
} else {
// Upward selection: highlight from cursor to end of field
let clamped_start = current_cursor_pos.min(text_len);
let before: String = text.chars().take(clamped_start).collect();
let highlighted: String = text.chars().skip(clamped_start).collect();
Line::from(vec![
Span::styled(before, normal_style_in_highlight),
Span::styled(before, normal_style),
Span::styled(highlighted, highlight_style),
])
}
} else {
// Middle field between anchor and current: highlight entire field
// Middle field: highlight entire field
Line::from(Span::styled(text, highlight_style))
}
}
} else {
Line::from(Span::styled(
text,
if is_active { normal_style_in_highlight } else { normal_style_outside }
))
// Outside selection: always normal text color (no special active field color)
Line::from(Span::styled(text, normal_style))
}
}
/// Apply linewise highlighting - VISUALLY DISTINCT VERSION
/// Apply linewise highlighting - PROPER VIM-LIKE VERSION
#[cfg(feature = "gui")]
fn apply_linewise_highlighting<'a, T: CanvasTheme>(
text: &'a str,
@@ -388,23 +383,22 @@ fn apply_linewise_highlighting<'a, T: CanvasTheme>(
let start_field = min(*anchor_line, *current_field_idx);
let end_field = max(*anchor_line, *current_field_idx);
// Use the SAME style as characterwise highlighting
// Vim-like styling:
// - Selected lines: contrasting text color + background
// - All other lines: normal text color (no special active field color)
let highlight_style = Style::default()
.fg(theme.highlight())
.bg(theme.highlight_bg())
.fg(theme.highlight()) // ✅ Contrasting text color for selected text
.bg(theme.highlight_bg()) // ✅ Background for selected text
.add_modifier(Modifier::BOLD);
let normal_style_in_highlight = Style::default().fg(theme.highlight());
let normal_style_outside = Style::default().fg(theme.fg());
let normal_style = Style::default().fg(theme.fg()); // ✅ Normal text color everywhere else
if field_index >= start_field && field_index <= end_field {
// ALWAYS highlight entire line - no markers, just full line highlighting
// Selected line: contrasting text color + background
Line::from(Span::styled(text, highlight_style))
} else {
Line::from(Span::styled(
text,
if is_active { normal_style_in_highlight } else { normal_style_outside }
))
// Normal line: normal text color (no special active field color)
Line::from(Span::styled(text, normal_style))
}
}