793 lines
27 KiB
Rust
793 lines
27 KiB
Rust
// examples/canvas-cursor-auto.rs
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//! Demonstrates automatic cursor management with the canvas library
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//!
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//! This example REQUIRES the `cursor-style` feature to compile.
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//!
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//! Run with:
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//! cargo run --example canvas_cursor_auto --features "gui,cursor-style"
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//!
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//! This will fail without cursor-style:
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//! cargo run --example canvas-cursor-auto --features "gui"
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// REQUIRE cursor-style feature - example won't compile without it
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#[cfg(not(feature = "cursor-style"))]
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compile_error!(
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"This example requires the 'cursor-style' feature. \
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Run with: cargo run --example canvas-cursor-auto --features \"gui,cursor-style\""
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);
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use std::io;
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use crossterm::{
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event::{
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self, DisableMouseCapture, EnableMouseCapture, Event, KeyCode, KeyModifiers,
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},
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execute,
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terminal::{
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disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen,
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},
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};
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use ratatui::{
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backend::{Backend, CrosstermBackend},
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layout::{Constraint, Direction, Layout},
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style::{Color, Style},
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text::{Line, Span},
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widgets::{Block, Borders, Paragraph},
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Frame, Terminal,
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};
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use canvas::{
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canvas::{
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gui::render_canvas_default,
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modes::{AppMode, ModeManager, HighlightState},
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CursorManager, // This import only exists when cursor-style feature is enabled
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},
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DataProvider, FormEditor,
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};
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// Enhanced FormEditor that demonstrates automatic cursor management
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struct AutoCursorFormEditor<D: DataProvider> {
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editor: FormEditor<D>,
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has_unsaved_changes: bool,
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debug_message: String,
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command_buffer: String, // For multi-key vim commands like "gg"
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}
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impl<D: DataProvider> AutoCursorFormEditor<D> {
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fn new(data_provider: D) -> Self {
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Self {
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editor: FormEditor::new(data_provider),
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has_unsaved_changes: false,
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debug_message: "🎯 Automatic Cursor Demo - cursor-style feature enabled!".to_string(),
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command_buffer: String::new(),
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}
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}
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// === COMMAND BUFFER HANDLING ===
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fn clear_command_buffer(&mut self) {
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self.command_buffer.clear();
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}
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fn add_to_command_buffer(&mut self, ch: char) {
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self.command_buffer.push(ch);
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}
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fn get_command_buffer(&self) -> &str {
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&self.command_buffer
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}
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fn has_pending_command(&self) -> bool {
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!self.command_buffer.is_empty()
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}
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// === VISUAL/HIGHLIGHT MODE SUPPORT ===
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fn enter_visual_mode(&mut self) {
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// Use the library method instead of manual state setting
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self.editor.enter_highlight_mode();
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self.debug_message = "🔥 VISUAL MODE - Cursor: Blinking Block █".to_string();
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}
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fn enter_visual_line_mode(&mut self) {
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// Use the library method instead of manual state setting
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self.editor.enter_highlight_line_mode();
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self.debug_message = "🔥 VISUAL LINE MODE - Cursor: Blinking Block █".to_string();
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}
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fn exit_visual_mode(&mut self) {
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// Use the library method
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self.editor.exit_highlight_mode();
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self.debug_message = "🔒 NORMAL MODE - Cursor: Steady Block █".to_string();
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}
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fn update_visual_selection(&mut self) {
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if self.editor.is_highlight_mode() {
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use canvas::canvas::state::SelectionState;
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match self.editor.selection_state() {
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SelectionState::Characterwise { anchor } => {
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self.debug_message = format!(
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"🎯 Visual selection: anchor=({},{}) current=({},{}) - Cursor: Blinking Block █",
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anchor.0, anchor.1,
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self.editor.current_field(),
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self.editor.cursor_position()
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);
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}
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SelectionState::Linewise { anchor_field } => {
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self.debug_message = format!(
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"🎯 Visual LINE selection: anchor={} current={} - Cursor: Blinking Block █",
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anchor_field,
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self.editor.current_field()
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);
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}
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_ => {}
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}
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}
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}
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// === ENHANCED MOVEMENT WITH VISUAL UPDATES ===
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fn move_left(&mut self) {
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self.editor.move_left();
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self.update_visual_selection();
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}
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fn move_right(&mut self) {
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self.editor.move_right();
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self.update_visual_selection();
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}
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fn move_up(&mut self) {
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self.editor.move_up();
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self.update_visual_selection();
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}
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fn move_down(&mut self) {
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self.editor.move_down();
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self.update_visual_selection();
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}
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fn move_word_next(&mut self) {
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self.editor.move_word_next();
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self.update_visual_selection();
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}
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fn move_word_prev(&mut self) {
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self.editor.move_word_prev();
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self.update_visual_selection();
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}
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fn move_word_end(&mut self) {
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self.editor.move_word_end();
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self.update_visual_selection();
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}
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fn move_word_end_prev(&mut self) {
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self.editor.move_word_end_prev();
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self.update_visual_selection();
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}
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fn move_line_start(&mut self) {
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self.editor.move_line_start();
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self.update_visual_selection();
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}
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fn move_line_end(&mut self) {
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self.editor.move_line_end();
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self.update_visual_selection();
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}
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fn move_first_line(&mut self) {
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self.editor.move_first_line();
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self.update_visual_selection();
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}
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fn move_last_line(&mut self) {
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self.editor.move_last_line();
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self.update_visual_selection();
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}
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fn prev_field(&mut self) {
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self.editor.prev_field();
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self.update_visual_selection();
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}
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fn next_field(&mut self) {
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self.editor.next_field();
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self.update_visual_selection();
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}
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// === DELETE OPERATIONS ===
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fn delete_backward(&mut self) -> anyhow::Result<()> {
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let result = self.editor.delete_backward();
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if result.is_ok() {
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self.has_unsaved_changes = true;
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self.debug_message = "⌫ Deleted character backward".to_string();
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}
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Ok(result?)
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}
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fn delete_forward(&mut self) -> anyhow::Result<()> {
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let result = self.editor.delete_forward();
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if result.is_ok() {
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self.has_unsaved_changes = true;
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self.debug_message = "⌦ Deleted character forward".to_string();
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}
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Ok(result?)
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}
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// === MODE TRANSITIONS WITH AUTOMATIC CURSOR MANAGEMENT ===
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fn enter_edit_mode(&mut self) {
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self.editor.enter_edit_mode(); // 🎯 Library automatically sets cursor to bar |
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self.debug_message = "✏️ INSERT MODE - Cursor: Steady Bar |".to_string();
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}
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fn enter_append_mode(&mut self) {
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self.editor.enter_append_mode(); // 🎯 Library automatically positions cursor and sets mode
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self.debug_message = "✏️ INSERT (append) - Cursor: Steady Bar |".to_string();
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}
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fn exit_edit_mode(&mut self) {
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self.editor.exit_edit_mode(); // 🎯 Library automatically sets cursor to block █
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self.exit_visual_mode();
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self.debug_message = "🔒 NORMAL MODE - Cursor: Steady Block █".to_string();
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}
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fn insert_char(&mut self, ch: char) -> anyhow::Result<()> {
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let result = self.editor.insert_char(ch);
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if result.is_ok() {
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self.has_unsaved_changes = true;
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}
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Ok(result?)
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}
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// === MANUAL CURSOR OVERRIDE DEMONSTRATION ===
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/// Demonstrate manual cursor control (for advanced users)
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fn demo_manual_cursor_control(&mut self) -> std::io::Result<()> {
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// Users can still manually control cursor if needed
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CursorManager::update_for_mode(AppMode::Command)?;
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self.debug_message = "🔧 Manual override: Command cursor _".to_string();
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Ok(())
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}
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fn restore_automatic_cursor(&mut self) -> std::io::Result<()> {
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// Restore automatic cursor based on current mode
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CursorManager::update_for_mode(self.editor.mode())?;
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self.debug_message = "🎯 Restored automatic cursor management".to_string();
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Ok(())
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}
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// === DELEGATE TO ORIGINAL EDITOR ===
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fn current_field(&self) -> usize {
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self.editor.current_field()
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}
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fn cursor_position(&self) -> usize {
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self.editor.cursor_position()
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}
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fn mode(&self) -> AppMode {
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self.editor.mode()
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}
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fn current_text(&self) -> &str {
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self.editor.current_text()
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}
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fn data_provider(&self) -> &D {
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self.editor.data_provider()
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}
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fn ui_state(&self) -> &canvas::EditorState {
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self.editor.ui_state()
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}
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fn set_mode(&mut self, mode: AppMode) {
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self.editor.set_mode(mode); // 🎯 Library automatically updates cursor
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if mode != AppMode::Highlight {
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self.exit_visual_mode();
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}
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}
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// === STATUS AND DEBUG ===
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fn set_debug_message(&mut self, msg: String) {
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self.debug_message = msg;
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}
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fn debug_message(&self) -> &str {
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&self.debug_message
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}
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fn has_unsaved_changes(&self) -> bool {
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self.has_unsaved_changes
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}
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}
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// Demo form data with interesting text for cursor demonstration
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struct CursorDemoData {
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fields: Vec<(String, String)>,
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}
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impl CursorDemoData {
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fn new() -> Self {
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Self {
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fields: vec![
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("👤 Name".to_string(), "John-Paul McDonald".to_string()),
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("📧 Email".to_string(), "user@example-domain.com".to_string()),
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("📱 Phone".to_string(), "+1 (555) 123-4567".to_string()),
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("🏠 Address".to_string(), "123 Main St, Apt 4B".to_string()),
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("🏷️ Tags".to_string(), "urgent,important,follow-up".to_string()),
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("📝 Notes".to_string(), "Watch the cursor change! Normal=█ Insert=| Visual=blinking█".to_string()),
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("🎯 Cursor Demo".to_string(), "Press 'i' for insert, 'v' for visual, 'Esc' for normal".to_string()),
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],
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}
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}
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}
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impl DataProvider for CursorDemoData {
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fn field_count(&self) -> usize {
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self.fields.len()
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}
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fn field_name(&self, index: usize) -> &str {
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&self.fields[index].0
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}
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fn field_value(&self, index: usize) -> &str {
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&self.fields[index].1
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}
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fn set_field_value(&mut self, index: usize, value: String) {
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self.fields[index].1 = value;
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}
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fn supports_suggestions(&self, _field_index: usize) -> bool {
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false
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}
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fn display_value(&self, _index: usize) -> Option<&str> {
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None
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}
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}
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/// Automatic cursor management demonstration
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/// Features the CursorManager directly to show it's working
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fn handle_key_press(
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key: KeyCode,
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modifiers: KeyModifiers,
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editor: &mut AutoCursorFormEditor<CursorDemoData>,
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) -> anyhow::Result<bool> {
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let mode = editor.mode();
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// Quit handling
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if (key == KeyCode::Char('q') && modifiers.contains(KeyModifiers::CONTROL))
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|| (key == KeyCode::Char('c') && modifiers.contains(KeyModifiers::CONTROL))
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|| key == KeyCode::F(10)
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{
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return Ok(false);
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}
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match (mode, key, modifiers) {
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// === MODE TRANSITIONS WITH AUTOMATIC CURSOR MANAGEMENT ===
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(AppMode::ReadOnly, KeyCode::Char('i'), _) => {
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editor.enter_edit_mode(); // 🎯 Automatic: cursor becomes bar |
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editor.clear_command_buffer();
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}
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(AppMode::ReadOnly, KeyCode::Char('a'), _) => {
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editor.enter_append_mode();
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editor.set_debug_message("✏️ INSERT (append) - Cursor: Steady Bar |".to_string());
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editor.clear_command_buffer();
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}
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(AppMode::ReadOnly, KeyCode::Char('A'), _) => {
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editor.move_line_end();
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editor.enter_edit_mode(); // 🎯 Automatic: cursor becomes bar |
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editor.set_debug_message("✏️ INSERT (end of line) - Cursor: Steady Bar |".to_string());
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editor.clear_command_buffer();
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}
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(AppMode::ReadOnly, KeyCode::Char('o'), _) => {
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editor.move_line_end();
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editor.enter_edit_mode(); // 🎯 Automatic: cursor becomes bar |
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editor.set_debug_message("✏️ INSERT (open line) - Cursor: Steady Bar |".to_string());
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editor.clear_command_buffer();
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}
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// From Normal Mode: Enter visual modes
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(AppMode::ReadOnly, KeyCode::Char('v'), _) => {
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editor.enter_visual_mode();
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editor.clear_command_buffer();
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}
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(AppMode::ReadOnly, KeyCode::Char('V'), _) => {
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editor.enter_visual_line_mode();
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editor.clear_command_buffer();
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}
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// From Visual Mode: Switch between visual modes or exit
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(AppMode::Highlight, KeyCode::Char('v'), _) => {
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use canvas::canvas::state::SelectionState;
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match editor.editor.selection_state() {
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SelectionState::Characterwise { .. } => {
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// Already in characterwise mode, exit visual mode (vim behavior)
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editor.exit_visual_mode();
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editor.set_debug_message("🔒 Exited visual mode".to_string());
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}
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_ => {
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// Switch from linewise to characterwise mode
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editor.editor.enter_highlight_mode();
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editor.update_visual_selection();
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editor.set_debug_message("🔥 Switched to VISUAL mode".to_string());
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}
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}
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editor.clear_command_buffer();
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}
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(AppMode::Highlight, KeyCode::Char('V'), _) => {
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use canvas::canvas::state::SelectionState;
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match editor.editor.selection_state() {
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SelectionState::Linewise { .. } => {
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// Already in linewise mode, exit visual mode (vim behavior)
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editor.exit_visual_mode();
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editor.set_debug_message("🔒 Exited visual mode".to_string());
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}
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_ => {
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// Switch from characterwise to linewise mode
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editor.editor.enter_highlight_line_mode();
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editor.update_visual_selection();
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editor.set_debug_message("🔥 Switched to VISUAL LINE mode".to_string());
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}
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}
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editor.clear_command_buffer();
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}
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// Escape: Exit any mode back to normal
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(_, KeyCode::Esc, _) => {
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match mode {
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AppMode::Edit => {
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editor.exit_edit_mode(); // Exit insert mode
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}
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AppMode::Highlight => {
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editor.exit_visual_mode(); // Exit visual mode
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}
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_ => {
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// Already in normal mode, just clear command buffer
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editor.clear_command_buffer();
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}
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}
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}
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// === CURSOR MANAGEMENT DEMONSTRATION ===
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(AppMode::ReadOnly, KeyCode::F(1), _) => {
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editor.demo_manual_cursor_control()?;
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}
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(AppMode::ReadOnly, KeyCode::F(2), _) => {
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editor.restore_automatic_cursor()?;
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}
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// === MOVEMENT: VIM-STYLE NAVIGATION ===
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// Basic movement (hjkl and arrows)
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(AppMode::ReadOnly | AppMode::Highlight, KeyCode::Char('h'), _)
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| (AppMode::ReadOnly | AppMode::Highlight, KeyCode::Left, _) => {
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editor.move_left();
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editor.set_debug_message("← left".to_string());
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editor.clear_command_buffer();
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}
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(AppMode::ReadOnly | AppMode::Highlight, KeyCode::Char('l'), _)
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| (AppMode::ReadOnly | AppMode::Highlight, KeyCode::Right, _) => {
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editor.move_right();
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editor.set_debug_message("→ right".to_string());
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editor.clear_command_buffer();
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}
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(AppMode::ReadOnly | AppMode::Highlight, KeyCode::Char('j'), _)
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| (AppMode::ReadOnly | AppMode::Highlight, KeyCode::Down, _) => {
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editor.move_down();
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editor.set_debug_message("↓ next field".to_string());
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editor.clear_command_buffer();
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}
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(AppMode::ReadOnly | AppMode::Highlight, KeyCode::Char('k'), _)
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| (AppMode::ReadOnly | AppMode::Highlight, KeyCode::Up, _) => {
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editor.move_up();
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editor.set_debug_message("↑ previous field".to_string());
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editor.clear_command_buffer();
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}
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// Word movement
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(AppMode::ReadOnly | AppMode::Highlight, KeyCode::Char('w'), _) => {
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editor.move_word_next();
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editor.set_debug_message("w: next word start".to_string());
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editor.clear_command_buffer();
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}
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(AppMode::ReadOnly | AppMode::Highlight, KeyCode::Char('b'), _) => {
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editor.move_word_prev();
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editor.set_debug_message("b: previous word start".to_string());
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editor.clear_command_buffer();
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}
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(AppMode::ReadOnly | AppMode::Highlight, KeyCode::Char('e'), _) => {
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editor.move_word_end();
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editor.set_debug_message("e: word end".to_string());
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editor.clear_command_buffer();
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}
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// Line movement
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(AppMode::ReadOnly | AppMode::Highlight, KeyCode::Char('0'), _)
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| (AppMode::ReadOnly | AppMode::Highlight, KeyCode::Home, _) => {
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editor.move_line_start();
|
|
editor.set_debug_message("0: line start".to_string());
|
|
}
|
|
(AppMode::ReadOnly | AppMode::Highlight, KeyCode::Char('$'), _)
|
|
| (AppMode::ReadOnly | AppMode::Highlight, KeyCode::End, _) => {
|
|
editor.move_line_end();
|
|
editor.set_debug_message("$: line end".to_string());
|
|
}
|
|
|
|
// Field/document movement
|
|
(AppMode::ReadOnly | AppMode::Highlight, KeyCode::Char('g'), _) => {
|
|
if editor.get_command_buffer() == "g" {
|
|
editor.move_first_line();
|
|
editor.set_debug_message("gg: first field".to_string());
|
|
editor.clear_command_buffer();
|
|
} else {
|
|
editor.clear_command_buffer();
|
|
editor.add_to_command_buffer('g');
|
|
editor.set_debug_message("g".to_string());
|
|
}
|
|
}
|
|
(AppMode::ReadOnly | AppMode::Highlight, KeyCode::Char('G'), _) => {
|
|
editor.move_last_line();
|
|
editor.set_debug_message("G: last field".to_string());
|
|
editor.clear_command_buffer();
|
|
}
|
|
|
|
// === EDIT MODE MOVEMENT ===
|
|
(AppMode::Edit, KeyCode::Left, m) if m.contains(KeyModifiers::CONTROL) => {
|
|
editor.move_word_prev();
|
|
editor.set_debug_message("Ctrl+← word back".to_string());
|
|
}
|
|
(AppMode::Edit, KeyCode::Right, m) if m.contains(KeyModifiers::CONTROL) => {
|
|
editor.move_word_next();
|
|
editor.set_debug_message("Ctrl+→ word forward".to_string());
|
|
}
|
|
(AppMode::Edit, KeyCode::Left, _) => {
|
|
editor.move_left();
|
|
}
|
|
(AppMode::Edit, KeyCode::Right, _) => {
|
|
editor.move_right();
|
|
}
|
|
(AppMode::Edit, KeyCode::Up, _) => {
|
|
editor.move_up();
|
|
}
|
|
(AppMode::Edit, KeyCode::Down, _) => {
|
|
editor.move_down();
|
|
}
|
|
(AppMode::Edit, KeyCode::Home, _) => {
|
|
editor.move_line_start();
|
|
}
|
|
(AppMode::Edit, KeyCode::End, _) => {
|
|
editor.move_line_end();
|
|
}
|
|
|
|
// === DELETE OPERATIONS ===
|
|
(AppMode::Edit, KeyCode::Backspace, _) => {
|
|
editor.delete_backward()?;
|
|
}
|
|
(AppMode::Edit, KeyCode::Delete, _) => {
|
|
editor.delete_forward()?;
|
|
}
|
|
|
|
// Delete operations in normal mode (vim x)
|
|
(AppMode::ReadOnly, KeyCode::Char('x'), _) => {
|
|
editor.delete_forward()?;
|
|
editor.set_debug_message("x: deleted character".to_string());
|
|
}
|
|
(AppMode::ReadOnly, KeyCode::Char('X'), _) => {
|
|
editor.delete_backward()?;
|
|
editor.set_debug_message("X: deleted character backward".to_string());
|
|
}
|
|
|
|
// === TAB NAVIGATION ===
|
|
(_, KeyCode::Tab, _) => {
|
|
editor.next_field();
|
|
editor.set_debug_message("Tab: next field".to_string());
|
|
}
|
|
(_, KeyCode::BackTab, _) => {
|
|
editor.prev_field();
|
|
editor.set_debug_message("Shift+Tab: previous field".to_string());
|
|
}
|
|
|
|
// === CHARACTER INPUT ===
|
|
(AppMode::Edit, KeyCode::Char(c), m) if !m.contains(KeyModifiers::CONTROL) => {
|
|
editor.insert_char(c)?;
|
|
}
|
|
|
|
// === DEBUG/INFO COMMANDS ===
|
|
(AppMode::ReadOnly, KeyCode::Char('?'), _) => {
|
|
editor.set_debug_message(format!(
|
|
"Field {}/{}, Pos {}, Mode: {:?} - Cursor managed automatically!",
|
|
editor.current_field() + 1,
|
|
editor.data_provider().field_count(),
|
|
editor.cursor_position(),
|
|
editor.mode()
|
|
));
|
|
}
|
|
|
|
_ => {
|
|
if editor.has_pending_command() {
|
|
editor.clear_command_buffer();
|
|
editor.set_debug_message("Invalid command sequence".to_string());
|
|
} else {
|
|
editor.set_debug_message(format!(
|
|
"Unhandled: {:?} + {:?} in {:?} mode",
|
|
key, modifiers, mode
|
|
));
|
|
}
|
|
}
|
|
}
|
|
|
|
Ok(true)
|
|
}
|
|
|
|
fn run_app<B: Backend>(
|
|
terminal: &mut Terminal<B>,
|
|
mut editor: AutoCursorFormEditor<CursorDemoData>,
|
|
) -> io::Result<()> {
|
|
loop {
|
|
terminal.draw(|f| ui(f, &editor))?;
|
|
|
|
if let Event::Key(key) = event::read()? {
|
|
match handle_key_press(key.code, key.modifiers, &mut editor) {
|
|
Ok(should_continue) => {
|
|
if !should_continue {
|
|
break;
|
|
}
|
|
}
|
|
Err(e) => {
|
|
editor.set_debug_message(format!("Error: {}", e));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
fn ui(f: &mut Frame, editor: &AutoCursorFormEditor<CursorDemoData>) {
|
|
let chunks = Layout::default()
|
|
.direction(Direction::Vertical)
|
|
.constraints([Constraint::Min(8), Constraint::Length(10)])
|
|
.split(f.area());
|
|
|
|
render_enhanced_canvas(f, chunks[0], editor);
|
|
render_status_and_help(f, chunks[1], editor);
|
|
}
|
|
|
|
fn render_enhanced_canvas(
|
|
f: &mut Frame,
|
|
area: ratatui::layout::Rect,
|
|
editor: &AutoCursorFormEditor<CursorDemoData>,
|
|
) {
|
|
render_canvas_default(f, area, &editor.editor);
|
|
}
|
|
|
|
fn render_status_and_help(
|
|
f: &mut Frame,
|
|
area: ratatui::layout::Rect,
|
|
editor: &AutoCursorFormEditor<CursorDemoData>,
|
|
) {
|
|
let chunks = Layout::default()
|
|
.direction(Direction::Vertical)
|
|
.constraints([Constraint::Length(3), Constraint::Length(7)])
|
|
.split(area);
|
|
|
|
// Status bar with cursor information - FIXED VERSION
|
|
let mode_text = match editor.mode() {
|
|
AppMode::Edit => "INSERT | (bar cursor)",
|
|
AppMode::ReadOnly => "NORMAL █ (block cursor)",
|
|
AppMode::Highlight => {
|
|
// Use library selection state instead of editor.highlight_state()
|
|
use canvas::canvas::state::SelectionState;
|
|
match editor.editor.selection_state() {
|
|
SelectionState::Characterwise { .. } => "VISUAL █ (blinking block)",
|
|
SelectionState::Linewise { .. } => "VISUAL LINE █ (blinking block)",
|
|
_ => "VISUAL █ (blinking block)",
|
|
}
|
|
},
|
|
_ => "NORMAL █ (block cursor)",
|
|
};
|
|
|
|
let status_text = if editor.has_pending_command() {
|
|
format!("-- {} -- {} [{}]", mode_text, editor.debug_message(), editor.get_command_buffer())
|
|
} else if editor.has_unsaved_changes() {
|
|
format!("-- {} -- [Modified] {}", mode_text, editor.debug_message())
|
|
} else {
|
|
format!("-- {} -- {}", mode_text, editor.debug_message())
|
|
};
|
|
|
|
let status = Paragraph::new(Line::from(Span::raw(status_text)))
|
|
.block(Block::default().borders(Borders::ALL).title("🎯 Automatic Cursor Status"));
|
|
|
|
f.render_widget(status, chunks[0]);
|
|
|
|
// Enhanced help text (no changes needed here)
|
|
let help_text = match editor.mode() {
|
|
AppMode::ReadOnly => {
|
|
if editor.has_pending_command() {
|
|
match editor.get_command_buffer() {
|
|
"g" => "Press 'g' again for first field, or any other key to cancel",
|
|
_ => "Pending command... (Esc to cancel)"
|
|
}
|
|
} else {
|
|
"🎯 CURSOR-STYLE DEMO: Normal █ | Insert | | Visual blinking█\n\
|
|
Normal: hjkl/arrows=move, w/b/e=words, 0/$=line, gg/G=first/last\n\
|
|
i/a/A=insert, v/b=visual, x/X=delete, ?=info\n\
|
|
F1=demo manual cursor, F2=restore automatic"
|
|
}
|
|
}
|
|
AppMode::Edit => {
|
|
"🎯 INSERT MODE - Cursor: | (bar)\n\
|
|
arrows=move, Ctrl+arrows=words, Backspace/Del=delete\n\
|
|
Esc=normal, Tab/Shift+Tab=fields"
|
|
}
|
|
AppMode::Highlight => {
|
|
"🎯 VISUAL MODE - Cursor: █ (blinking block)\n\
|
|
hjkl/arrows=extend selection, w/b/e=word selection\n\
|
|
Esc=normal"
|
|
}
|
|
_ => "🎯 Watch the cursor change automatically!"
|
|
};
|
|
|
|
let help = Paragraph::new(help_text)
|
|
.block(Block::default().borders(Borders::ALL).title("🚀 Automatic Cursor Management"))
|
|
.style(Style::default().fg(Color::Gray));
|
|
|
|
f.render_widget(help, chunks[1]);
|
|
}
|
|
|
|
fn main() -> Result<(), Box<dyn std::error::Error>> {
|
|
// Print feature status
|
|
println!("🎯 Canvas Cursor Auto Demo");
|
|
println!("✅ cursor-style feature: ENABLED");
|
|
println!("🚀 Automatic cursor management: ACTIVE");
|
|
println!("📖 Watch your terminal cursor change based on mode!");
|
|
println!();
|
|
|
|
enable_raw_mode()?;
|
|
let mut stdout = io::stdout();
|
|
execute!(stdout, EnterAlternateScreen, EnableMouseCapture)?;
|
|
let backend = CrosstermBackend::new(stdout);
|
|
let mut terminal = Terminal::new(backend)?;
|
|
|
|
let data = CursorDemoData::new();
|
|
let mut editor = AutoCursorFormEditor::new(data);
|
|
|
|
// Initialize with normal mode - library automatically sets block cursor
|
|
editor.set_mode(AppMode::ReadOnly);
|
|
|
|
// Demonstrate that CursorManager is available and working
|
|
CursorManager::update_for_mode(AppMode::ReadOnly)?;
|
|
|
|
let res = run_app(&mut terminal, editor);
|
|
|
|
// Library automatically resets cursor on FormEditor::drop()
|
|
// But we can also manually reset if needed
|
|
CursorManager::reset()?;
|
|
|
|
disable_raw_mode()?;
|
|
execute!(
|
|
terminal.backend_mut(),
|
|
LeaveAlternateScreen,
|
|
DisableMouseCapture
|
|
)?;
|
|
terminal.show_cursor()?;
|
|
|
|
if let Err(err) = res {
|
|
println!("{:?}", err);
|
|
}
|
|
|
|
println!("🎯 Cursor automatically reset to default!");
|
|
Ok(())
|
|
}
|