From de7ab93aec17962792c2e7e5c4cf5cef3ae6a4a3 Mon Sep 17 00:00:00 2001 From: Přemysl Janouch Date: Sun, 2 Oct 2016 04:09:54 +0200 Subject: React to mouse clicks on player controls --- nncmpp.c | 112 +++++++++++++++++++++++++++++++++++++++++++++++++++++++-------- 1 file changed, 98 insertions(+), 14 deletions(-) diff --git a/nncmpp.c b/nncmpp.c index 9628861..336807a 100644 --- a/nncmpp.c +++ b/nncmpp.c @@ -217,14 +217,20 @@ static struct app_context struct tab *tabs; ///< All tabs struct tab *active_tab; ///< Active tab + // Emulated widgets: + + int top_height; ///< Height of the top part + + int controls_offset; ///< Offset to player controls or -1 + int gauge_offset; ///< Offset to the gauge or -1 + int gauge_width; ///< Width of the gauge, if present + // Terminal: termo_t *tk; ///< termo handle struct poller_timer tk_timer; ///< termo timeout timer bool locale_is_utf8; ///< The locale is Unicode - int list_offset; ///< Height of the top part - struct attrs attrs[ATTRIBUTE_COUNT]; } g_ctx; @@ -707,7 +713,7 @@ app_write_utf8 (const char *str, chtype attrs, int n) static void app_next_row (chtype attrs) { - mvwhline (stdscr, g_ctx.list_offset++, 0, ' ' | attrs, COLS); + mvwhline (stdscr, g_ctx.top_height++, 0, ' ' | attrs, COLS); } // We typically write here to a single buffer serving the entire line @@ -790,6 +796,9 @@ app_write_time (struct row_buffer *buf, int seconds, chtype attrs) static void app_write_gauge (struct row_buffer *buf, float ratio, int width) { + if (ratio < 0) ratio = 0; + if (ratio > 1) ratio = 1; + // Always compute it in exactly eight times the resolution, // because sometimes Unicode is even useful int len_left = ratio * width * 8 + 0.5; @@ -871,6 +880,8 @@ app_redraw_status (void) if (!stopped && g_ctx.song_elapsed >= 0 && g_ctx.song_duration >= 1 && remaining > 0) { + g_ctx.gauge_offset = buf.total_width; + g_ctx.gauge_width = remaining; app_write_gauge (&buf, (float) g_ctx.song_elapsed / g_ctx.song_duration, remaining); } @@ -882,6 +893,7 @@ app_redraw_status (void) row_buffer_append (&buf, volume, a_normal); free (volume); } + g_ctx.controls_offset = g_ctx.top_height; app_flush_buffer (&buf, a_normal); } @@ -889,7 +901,11 @@ static void app_redraw_top (void) { // TODO: when it changes from the previous value, fix the selection - g_ctx.list_offset = 0; + g_ctx.top_height = 0; + + g_ctx.controls_offset = -1; + g_ctx.gauge_offset = -1; + g_ctx.gauge_width = 0; attrset (0); switch (g_ctx.client.state) @@ -928,12 +944,12 @@ app_redraw_top (void) static void app_redraw_view (void) { - move (g_ctx.list_offset, 0); + move (g_ctx.top_height, 0); clrtobot (); // TODO: display a scrollbar on the right side struct tab *tab = g_ctx.active_tab; - int to_show = MIN (LINES - g_ctx.list_offset, + int to_show = MIN (LINES - g_ctx.top_height, (int) tab->item_count - tab->item_top); for (int row_index = 0; row_index < to_show; row_index++) { @@ -1024,7 +1040,7 @@ app_one_item_down (void) if (tab->item_selected + 1 >= (int) tab->item_count) return false; - int n_visible = LINES - g_ctx.list_offset; + int n_visible = LINES - g_ctx.top_height; if (++tab->item_selected >= tab->item_top + n_visible) app_scroll_down (1); @@ -1049,7 +1065,7 @@ app_process_resize (void) if (tab->item_selected < 0) return; - int n_visible = LINES - g_ctx.list_offset; + int n_visible = LINES - g_ctx.top_height; if (n_visible < 0) return; @@ -1070,6 +1086,11 @@ enum user_action USER_ACTION_QUIT, USER_ACTION_REDRAW, + USER_ACTION_MPD_PREVIOUS, + USER_ACTION_MPD_TOGGLE, + USER_ACTION_MPD_STOP, + USER_ACTION_MPD_NEXT, + USER_ACTION_GOTO_ITEM_PREVIOUS, USER_ACTION_GOTO_ITEM_NEXT, USER_ACTION_GOTO_PAGE_PREVIOUS, @@ -1080,9 +1101,19 @@ enum user_action // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +#define MPD_SIMPLE(...) \ +{ \ + if (c->state != MPD_CONNECTED) \ + break; \ + mpd_client_send_command (c, __VA_ARGS__, NULL); \ + mpd_client_add_task (c, NULL, NULL); \ + mpd_client_idle (c, 0); \ +} + static bool app_process_user_action (enum user_action action) { + struct mpd_client *c = &g_ctx.client; switch (action) { case USER_ACTION_QUIT: @@ -1092,6 +1123,29 @@ app_process_user_action (enum user_action action) app_redraw (); return true; +// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + + case USER_ACTION_MPD_PREVIOUS: + MPD_SIMPLE ("previous") + return true; + case USER_ACTION_MPD_TOGGLE: + if (g_ctx.state == PLAYER_PLAYING) MPD_SIMPLE ("pause", "1") + else if (g_ctx.state == PLAYER_PAUSED) MPD_SIMPLE ("pause", "0") + else MPD_SIMPLE ("play") + return true; + case USER_ACTION_MPD_STOP: + MPD_SIMPLE ("stop") + return true; + case USER_ACTION_MPD_NEXT: + MPD_SIMPLE ("next") + return true; + + // TODO: relative seeks +#if 0 + MPD_SIMPLE (forward, "seekcur", "+10", NULL) + MPD_SIMPLE (backward, "seekcur", "-10", NULL) +#endif + // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - case USER_ACTION_GOTO_ITEM_PREVIOUS: @@ -1102,11 +1156,11 @@ app_process_user_action (enum user_action action) return true; case USER_ACTION_GOTO_PAGE_PREVIOUS: - app_scroll_up (LINES - (int) g_ctx.list_offset); + app_scroll_up (LINES - (int) g_ctx.top_height); app_redraw_view (); return true; case USER_ACTION_GOTO_PAGE_NEXT: - app_scroll_down (LINES - (int) g_ctx.list_offset); + app_scroll_down (LINES - (int) g_ctx.top_height); app_redraw_view (); return true; @@ -1205,11 +1259,41 @@ app_process_key (termo_key_t *event) static void app_process_left_mouse_click (int line, int column) { - if (line < g_ctx.list_offset - 1) + if (line == g_ctx.controls_offset) { - // TODO: emulate some GUI widgets; this is going to be wild + // XXX: there could be a push_widget(buf, text, attrs, handler) + // function to help with this but it might not be worth it + enum user_action action = USER_ACTION_NONE; + if (column >= 0 && column <= 1) action = USER_ACTION_MPD_PREVIOUS; + if (column >= 3 && column <= 4) action = USER_ACTION_MPD_TOGGLE; + if (column >= 6 && column <= 7) action = USER_ACTION_MPD_STOP; + if (column >= 9 && column <= 10) action = USER_ACTION_MPD_NEXT; + if (action) + { + app_process_user_action (action); + return; + } + + int gauge_offset = column - g_ctx.gauge_offset; + if (g_ctx.gauge_offset >= 0 + && gauge_offset >= 0 && gauge_offset < g_ctx.gauge_width) + { + float position = (float) gauge_offset / g_ctx.gauge_width; + struct mpd_client *c = &g_ctx.client; + if (c->state == MPD_CONNECTED && g_ctx.song_duration >= 1) + { + char *where = xstrdup_printf + ("%f", position * g_ctx.song_duration); + mpd_client_send_command (c, "seekcur", where, NULL); + free (where); + + mpd_client_add_task (c, NULL, NULL); + mpd_client_idle (c, 0); + } + return; + } } - else if (line == g_ctx.list_offset - 1) + else if (line == g_ctx.top_height - 1) { struct tab *winner = NULL; int indent = strlen (APP_TITLE); @@ -1230,7 +1314,7 @@ app_process_left_mouse_click (int line, int column) else { struct tab *tab = g_ctx.active_tab; - int row_index = line - g_ctx.list_offset; + int row_index = line - g_ctx.top_height; if (row_index >= (int) tab->item_count - tab->item_top) return; -- cgit v1.2.3-70-g09d2