change event to event_handler

1 files changed, 335 insertions, 0 deletions

diff --git a/src/event_handler/handler.rs b/src/event_handler/handler.rs
new file mode 100644
index 0000000..f34a5f2
--- /dev/null
+++ b/src/event_handler/handler.rs
@@ -0,0 +1,335 @@
+use crate::{
+    app::{App, AppResult, SelectedTab},
+    connection::VolumeStatus,
+    ui::InputMode,
+};
+use crossterm::event::{KeyCode, KeyEvent, KeyModifiers, MouseEvent, MouseEventKind};
+use std::time::Duration;
+
+use super::{new_pl_keys, pl_append_keys, pl_rename_keys, search_keys};
+
+pub fn handle_key_events(key_event: KeyEvent, app: &mut App) -> AppResult<()> {
+    // searching, playlist renaming, playlist appending
+    if app.inputmode == InputMode::Editing {
+        search_keys::handle_search_keys(key_event, app)?;
+    } else if app.inputmode == InputMode::PlaylistRename {
+        pl_rename_keys::handle_pl_rename_keys(key_event, app)?;
+    } else if app.inputmode == InputMode::NewPlaylist {
+        new_pl_keys::handle_new_pl_keys(key_event, app)?;
+    } else if app.playlist_popup {
+        pl_append_keys::hande_pl_append_keys(key_event, app)?;
+    } else {
+        // General KeyMaps
+        match key_event.code {
+            // Quit
+            KeyCode::Char('q') => app.quit(),
+            KeyCode::Char('c') | KeyCode::Char('C') => {
+                if key_event.modifiers == KeyModifiers::CONTROL {
+                    app.quit();
+                } else {
+                    app.conn.conn.clear()?;
+                    app.conn.update_status();
+                    app.queue_list.list.clear();
+                    app.queue_list.reset_index();
+                }
+            }
+
+            // Playback controls
+            // Toggle Pause
+            KeyCode::Char('p') => {
+                app.conn.toggle_pause();
+                app.conn.update_status();
+            }
+
+            // Pause
+            KeyCode::Char('s') => {
+                app.conn.pause();
+                app.conn.update_status();
+            }
+
+            // Toggle rpeat
+            KeyCode::Char('r') => {
+                app.conn.toggle_repeat();
+                app.conn.update_status();
+            }
+
+            // Toggle random
+            KeyCode::Char('z') => {
+                app.conn.toggle_random();
+                app.conn.update_status();
+            }
+
+            // Dmenu prompt
+            KeyCode::Char('D') => {
+                app.conn.play_dmenu()?;
+                app.conn.update_status();
+            }
+
+            // add to queue
+            KeyCode::Char('a') => app.playlist_popup = true,
+
+            // Fast forward
+            KeyCode::Char('f') => {
+                if !app.queue_list.list.is_empty() {
+                    let status = app.conn.conn.status().unwrap_or_default();
+                    let place = status.song.unwrap_or_default().pos;
+                    let (pos, _) = status.time.unwrap_or_default();
+                    let pos = Duration::from_secs(pos.as_secs().wrapping_add(2));
+                    app.conn.conn.seek(place, pos)?;
+                    app.conn.update_status();
+                }
+            }
+
+            // backward
+            KeyCode::Char('b') => {
+                if !app.queue_list.list.is_empty() {
+                    let status = app.conn.conn.status().unwrap_or_default();
+                    let place = status.song.unwrap_or_default().pos;
+                    let (pos, _) = status.time.unwrap_or_default();
+                    let pos = Duration::from_secs(pos.as_secs().wrapping_sub(2));
+                    app.conn.conn.seek(place, pos)?;
+                    app.conn.update_status();
+                }
+            }
+
+            // Cycle through tabs
+            KeyCode::Tab => {
+                app.cycle_tabls();
+            }
+
+            // Directory browser tab
+            KeyCode::Char('1') => {
+                app.selected_tab = SelectedTab::Queue;
+            }
+
+            // Playing queue tab
+            KeyCode::Char('2') => {
+                app.selected_tab = SelectedTab::DirectoryBrowser;
+            }
+
+            // Playlists tab
+            KeyCode::Char('3') => {
+                app.selected_tab = SelectedTab::Playlists;
+            }
+
+            // Play next song
+            KeyCode::Char('>') => {
+                if !app.queue_list.list.is_empty() {
+                    app.conn.conn.next()?;
+                    app.update_queue();
+                    app.conn.update_status();
+                }
+            }
+
+            // Play previous song
+            KeyCode::Char('<') => {
+                if !app.queue_list.list.is_empty() {
+                    app.conn.conn.prev()?;
+                    app.update_queue();
+                    app.conn.update_status();
+                }
+            }
+
+            // Volume controls
+            KeyCode::Char('=') | KeyCode::Char('+') => {
+                app.conn.inc_volume(2);
+                app.conn.update_status();
+            }
+
+            KeyCode::Char('-') => {
+                app.conn.dec_volume(2);
+                app.conn.update_status();
+            }
+
+            // Toggle Mute
+            KeyCode::Char('m') => {
+                match app.conn.volume_status {
+                    VolumeStatus::Muted(v) => {
+                        app.conn.conn.volume(v)?;
+                        app.conn.volume_status = VolumeStatus::Unmuted;
+                    }
+                    VolumeStatus::Unmuted => {
+                        let current_volume = app.conn.status.volume;
+                        app.conn.conn.volume(0)?;
+                        app.conn.volume_status = VolumeStatus::Muted(current_volume);
+                    }
+                }
+                app.conn.update_status();
+            }
+
+            // Update MPD database
+            KeyCode::Char('U') => {
+                app.conn.conn.rescan()?;
+                app.should_update_song_list = true;
+            }
+
+            // Search for songs
+            KeyCode::Char('/') => {
+                if app.inputmode == InputMode::Normal {
+                    app.inputmode = InputMode::Editing;
+                } else {
+                    app.inputmode = InputMode::Normal;
+                }
+            }
+
+            // Add or Remove from Current Playlist
+            KeyCode::Char(' ') => {
+                app.handle_add_or_remove_from_current_playlist()?;
+            }
+            _ => {}
+        }
+
+        // Tab specific keymaps
+        match app.selected_tab {
+            SelectedTab::Queue => {
+                match key_event.code {
+                    // Go Up
+                    KeyCode::Char('j') | KeyCode::Down => app.queue_list.next(),
+
+                    // Go down
+                    KeyCode::Char('k') | KeyCode::Up => app.queue_list.prev(),
+
+                    // Next directory
+                    KeyCode::Enter | KeyCode::Char('l') | KeyCode::Right => {
+                        app.conn.conn.switch(app.queue_list.index as u32)?;
+                        app.conn.update_status();
+                    }
+
+                    // Delete highlighted song from the queue
+                    KeyCode::Char('d') => {
+                        if app.queue_list.index >= app.queue_list.list.len()
+                            && app.queue_list.index != 0
+                        {
+                            app.queue_list.index -= 1;
+                        }
+
+                        app.conn.conn.delete(app.queue_list.index as u32)?;
+
+                        if app.queue_list.index >= app.queue_list.list.len().saturating_sub(1)
+                            && app.queue_list.index != 0
+                        {
+                            app.queue_list.index -= 1;
+                        }
+
+                        app.conn.update_status();
+                        app.update_queue();
+                    }
+
+                    // Swap highlighted song with next one
+                    KeyCode::Char('J') => {
+                        let current: u32 = app.queue_list.index as u32;
+                        let next: u32 = if (current + 1) as usize == app.queue_list.list.len() {
+                            app.queue_list.index as u32
+                        } else {
+                            app.queue_list.index += 1;
+                            current + 1
+                        };
+                        app.conn.conn.swap(current, next)?;
+                        app.update_queue();
+                        app.conn.update_status();
+                    }
+
+                    // Swap highlighted song with previous one
+                    KeyCode::Char('K') => {
+                        let current: u32 = app.queue_list.index as u32;
+                        let prev: u32 = if current == 0 {
+                            app.queue_list.index as u32
+                        } else {
+                            app.queue_list.index -= 1;
+                            current - 1
+                        };
+                        app.conn.conn.swap(current, prev)?;
+                        app.update_queue();
+                        app.conn.update_status();
+                    }
+
+                    // go to top of list
+                    KeyCode::Char('g') => app.queue_list.index = 0,
+
+                    // go to bottom of list
+                    KeyCode::Char('G') => app.queue_list.index = app.queue_list.list.len() - 1,
+
+                    _ => {}
+                }
+            }
+
+            SelectedTab::DirectoryBrowser => {
+                match key_event.code {
+                    // Go Up
+                    KeyCode::Char('j') | KeyCode::Down => app.browser.next(),
+
+                    // Go down
+                    KeyCode::Char('k') | KeyCode::Up => app.browser.prev(),
+
+                    // Next directory
+                    KeyCode::Enter | KeyCode::Char('l') | KeyCode::Right => {
+                        // app.update_queue();
+                        app.handle_enter()?;
+                        app.conn.update_status();
+                    }
+
+                    // head back to previous directory
+                    KeyCode::Char('h') | KeyCode::Left => {
+                        app.browser.handle_go_back(&mut app.conn)?
+                    }
+
+                    // go to top of list
+                    KeyCode::Char('g') => app.browser.selected = 0,
+
+                    // go to bottom of list
+                    KeyCode::Char('G') => app.browser.selected = app.browser.filetree.len() - 1,
+
+                    _ => {}
+                }
+            }
+
+            SelectedTab::Playlists => {
+                match key_event.code {
+                    // Go Up
+                    KeyCode::Char('j') | KeyCode::Down => app.pl_list.next(),
+
+                    // Go down
+                    KeyCode::Char('k') | KeyCode::Up => app.pl_list.prev(),
+
+                    // go to top of list
+                    KeyCode::Char('g') => app.pl_list.index = 0,
+
+                    // go to bottom of list
+                    KeyCode::Char('G') => app.pl_list.index = app.pl_list.list.len() - 1,
+
+                    // Playlist Rename
+                    KeyCode::Char('R') => {
+                        app.inputmode = InputMode::PlaylistRename;
+                    }
+
+                    // add to current playlist
+                    KeyCode::Enter | KeyCode::Char('l') | KeyCode::Right | KeyCode::Char(' ') => {
+                        // app.update_queue();
+                        if !app.pl_list.list.is_empty() {
+                            app.conn
+                                .load_playlist(app.pl_list.list.get(app.pl_list.index).unwrap())?;
+                            app.conn.update_status();
+                        }
+                    }
+                    _ => {}
+                }
+            }
+        }
+    }
+    Ok(())
+}
+
+pub fn handle_mouse_events(mouse_event: MouseEvent, app: &mut App) -> AppResult<()> {
+    match mouse_event.kind {
+        MouseEventKind::ScrollUp => app.handle_scroll_up(),
+        MouseEventKind::ScrollDown => app.handle_scroll_down(),
+        MouseEventKind::Down(button) => {
+            let (x, y) = (mouse_event.column, mouse_event.row);
+            if button == crossterm::event::MouseButton::Left {
+                app.handle_mouse_left_click(x, y)?;
+            }
+        }
+        _ => {}
+    }
+    Ok(())
+}