ref: master
src/ui.c
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#include <assert.h> #include <stdio.h> #include "ui.h" #include "queue.h" #include "status.h" int tickit_init(struct seamus_frontend *s) { Tickit *t = tickit_new_stdtty(); TickitWindow *root = tickit_get_rootwin(t); if (!root) { log_error("Cannot create TickitTerm - %d\n", strerror(errno)); return 1; } s->t = t; TickitWindow *main_window = tickit_window_new(root, (TickitRect){ .top = 2, .left = 2, .lines = tickit_window_lines(root) - 6, .cols = tickit_window_cols(root) - 2 }, 0); TickitWindow *status_window = tickit_window_new(root, (TickitRect){ .top = tickit_window_lines(root) - 5 + 2, .left = 2, .lines = 5, .cols = tickit_window_cols(root) - 2 }, 0); s->scrolling_pen = tickit_pen_new_attrs( TICKIT_PEN_BG, 3, TICKIT_PEN_FG, 0, 0 ); s->playing_pen = tickit_pen_new_attrs( TICKIT_PEN_BOLD, 1, 0 ); s->main_window = main_window; s->status_window = status_window; return 0; } int tickit_start(struct seamus_frontend *s) { TickitWindow *root = tickit_get_rootwin(s->t); TickitTerm *tt = tickit_get_term(s->t); tickit_window_bind_event(s->status_window, TICKIT_WINDOW_ON_EXPOSE, 0, &render_status_window, s); tickit_window_bind_event(s->main_window, TICKIT_WINDOW_ON_EXPOSE, 0, &render_main_window, s); tickit_window_bind_event(root, TICKIT_WINDOW_ON_EXPOSE, 0, &render_root, s); tickit_term_bind_event(tt, TICKIT_TERM_ON_KEY, 0, &on_key_event, s); // Kick initial update event tickit_watch_timer_after_msec(s->t, 1000, 0, &update_status, s); //tickit_watch_timer_after_msec(s->t, 1000, 0, &update_main_window, s); tickit_run(s->t); } static int on_key_event(TickitTerm *tt, TickitEventFlags flags, void *_info, void *data) { TickitKeyEventInfo *info = _info; struct seamus_frontend *seamus = (struct seamus_frontend*) data; const char *key_pressed = info->str; // TODO: Replace those with enums if (strcmp(key_pressed, "q") == 0) { tickit_window_close(seamus->main_window); tickit_window_close(seamus->status_window); tickit_stop(seamus->t); } else if (strcmp(key_pressed, "j") == 0) { log_info("Scroll down"); update_scroll_position(seamus, +1); } else if (strcmp(key_pressed, "k") == 0) { log_info("Scroll up"); update_scroll_position(seamus, -1); } else if (strcmp(key_pressed, "Enter") == 0) { log_info("Pressed enter"); toggle_playing_status(seamus); } else { log_info("Pressed something else %s", key_pressed); } return 1; } static int toggle_playing_status(struct seamus_frontend *seamus) { log_info("Current position %d", seamus->scroll_position); struct seamus_song song = seamus->queue[seamus->scroll_position]; log_info("Current song on queue %d - %s", song.song_id, song.title); if (mpd_run_play_id(seamus->conn, song.song_id)) { log_info("Requested to play song"); } else { log_info("Failed to play song"); } fetch_current_status(seamus); tickit_window_expose(seamus->main_window, NULL); } static int update_scroll_position(struct seamus_frontend *seamus, int direction) { log_info("Current position %d, direction: %d, length: %d", seamus->scroll_position, direction, seamus->status->length); if (seamus->scroll_position == 0 && direction == -1) { return 0; } // Can't go further than whats queued // TODO: This will cause problems when dealing with the library // scrolling if (seamus->scroll_position == seamus->status->length - 1 && direction == 1) { return 0; } seamus->scroll_position += direction; // TODO: Deal with the current window focused tickit_window_scroll(seamus->main_window, direction, 0); } static int update_status(Tickit *t, TickitEventFlags flags, void *_info, void *data) { struct seamus_frontend *seamus = (struct seamus_frontend*) data; tickit_window_expose(seamus->status_window, NULL); tickit_watch_timer_after_msec(t, 1000, 0, &update_status, data); return 0; } static int update_main_window(Tickit *t, TickitEventFlags flags, void *_info, void *data) { struct seamus_frontend *seamus = (struct seamus_frontend*) data; tickit_window_expose(seamus->main_window, NULL); tickit_watch_timer_after_msec(t, 1000, 0, &update_main_window, data); return 0; } static int render_root(TickitWindow *win, TickitEventFlags flags, void *_info, void *data) { TickitExposeEventInfo *info = _info; TickitRenderBuffer *render_buffer = info->rb; struct seamus_frontend *seamus = (struct seamus_frontend*) data; int right = tickit_window_cols(win) - 1; int bottom = tickit_window_lines(win) - 1; tickit_renderbuffer_eraserect(render_buffer, &(TickitRect){ .top = 0, .left = 0, .lines = bottom + 1, .cols = right + 1, }); return 1; } static int render_status_window(TickitWindow *win, TickitEventFlags flags, void *_info, void *data) { TickitExposeEventInfo *info = _info; TickitRenderBuffer *render_buffer = info->rb; struct seamus_frontend *seamus = (struct seamus_frontend*) data; tickit_renderbuffer_eraserect(render_buffer, &info->rect); int r = fetch_current_status(seamus); if (r != 0) { log_fatal("We had some trouble"); tickit_renderbuffer_goto(render_buffer, 0, 0); { tickit_renderbuffer_savepen(render_buffer); TickitPen *pen = tickit_pen_new_attrs( TICKIT_PEN_FG, 1, TICKIT_PEN_BOLD, 1, 0); tickit_renderbuffer_setpen(render_buffer, pen); tickit_renderbuffer_text(render_buffer, "We had some error fetching the status"); tickit_renderbuffer_restore(render_buffer); } } else { tickit_renderbuffer_goto(render_buffer, 0, 0); { tickit_renderbuffer_savepen(render_buffer); TickitPen *pen = tickit_pen_new_attrs( TICKIT_PEN_FG, 4, TICKIT_PEN_BOLD, 1, 0); tickit_renderbuffer_setpen(render_buffer, pen); tickit_renderbuffer_text(render_buffer, seamus->status->description); tickit_renderbuffer_restore(render_buffer); } } return 1; } static int render_main_window(TickitWindow *win, TickitEventFlags flags, void *_info, void *data) { log_info("Rendering the main window"); TickitExposeEventInfo *info = _info; TickitRenderBuffer *render_buffer = info->rb; struct seamus_frontend *seamus = (struct seamus_frontend*) data; tickit_renderbuffer_eraserect(render_buffer, &info->rect); tickit_renderbuffer_goto(render_buffer, 0, 0); { tickit_renderbuffer_savepen(render_buffer); TickitPen *pen = tickit_pen_new_attrs( TICKIT_PEN_FG, 0, TICKIT_PEN_BG, 6, TICKIT_PEN_BOLD, 1, 0); tickit_renderbuffer_setpen(render_buffer, pen); tickit_renderbuffer_text(render_buffer, "Hello, welcome to seamus"); tickit_renderbuffer_restore(render_buffer); } if (seamus->status->length == 0) { tickit_renderbuffer_goto(render_buffer, 4, 0); tickit_renderbuffer_text(render_buffer, "No songs queued."); } else { log_info("There are items on queue"); if (seamus->status->version != seamus->version) { log_info( "The current rendered version is %d and there's a new one %d", seamus->version, seamus->status->version ); // Update the current version rendered seamus->version = seamus->status->version; int max_window_size = tickit_window_lines(seamus->main_window); fetch_current_queue(seamus, max_window_size); } log_info("Rendering queue again"); render_queue(seamus, render_buffer); } return 1; } static int render_queue(struct seamus_frontend *seamus, TickitRenderBuffer *render_buffer) { log_info("Rendering the queue"); for (size_t i = 0; i < seamus->queue_size; ++i) { struct seamus_song *song = &seamus->queue[i]; if (song == NULL) { log_info("Nothing to see here..."); } else { int left_padding = 0; char *song_str = malloc( sizeof(char) * (strlen(song->artist) + strlen(song->title) + 6)); sprintf(song_str, "%s - %s", song->artist, song->title); if (seamus->status->current_song_id == song->song_id) { left_padding = 2; } tickit_renderbuffer_goto(render_buffer, 4 + i, left_padding); if (seamus->status->current_song_id == song->song_id && seamus->scroll_position == i) { tickit_renderbuffer_savepen(render_buffer); TickitPen *scrolling_playing_pen = tickit_pen_clone(seamus->scrolling_pen); tickit_pen_copy_attr(scrolling_playing_pen, seamus->playing_pen, TICKIT_PEN_BOLD); tickit_renderbuffer_setpen(render_buffer, scrolling_playing_pen); tickit_renderbuffer_text(render_buffer, song_str); tickit_renderbuffer_restore(render_buffer); } else if (seamus->status->current_song_id == song->song_id) { tickit_renderbuffer_savepen(render_buffer); tickit_renderbuffer_setpen(render_buffer, seamus->playing_pen); tickit_renderbuffer_text(render_buffer, song_str); tickit_renderbuffer_restore(render_buffer); } else if (seamus->scroll_position == i) { tickit_renderbuffer_savepen(render_buffer); tickit_renderbuffer_setpen(render_buffer, seamus->scrolling_pen); tickit_renderbuffer_text(render_buffer, song_str); tickit_renderbuffer_restore(render_buffer); } else { tickit_renderbuffer_text(render_buffer, song_str); } // if (seamus->status->current_song_id == song->song_id) { // tickit_renderbuffer_goto(render_buffer, 4 + i, 2); // { // tickit_renderbuffer_savepen(render_buffer); // tickit_renderbuffer_setpen(render_buffer, seamus->playing_pen); // tickit_renderbuffer_text(render_buffer, song_str); // tickit_renderbuffer_restore(render_buffer); // } // } else { // tickit_renderbuffer_goto(render_buffer, 4 + i, 0); // tickit_renderbuffer_text(render_buffer, song_str); // } free(song_str); } } } int tickit_finish(struct seamus_frontend *s) { TickitWindow *root = tickit_get_rootwin(s->t); tickit_window_close(root); tickit_unref(s->t); return 0; } |