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authorPřemysl Janouch <p@janouch.name>2018-10-20 11:17:04 +0200
committerPřemysl Janouch <p@janouch.name>2018-10-20 22:22:26 +0200
commit804f051d6666897bbbe4df9976e7c97969cf8eba (patch)
tree7a17dc2a323af5f6bf5ac4772ea26c4c0accd533
parent3c09a16a02cb24eb3d3b8d45d5f348f76115925c (diff)
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Implement sequential multiselect for Library tab
-rw-r--r--nncmpp.c118
1 files changed, 106 insertions, 12 deletions
diff --git a/nncmpp.c b/nncmpp.c
index e9c4faf..85a6168 100644
--- a/nncmpp.c
+++ b/nncmpp.c
@@ -35,6 +35,10 @@
XX( ODD, "odd", -1, -1, 0 ) \
XX( DIRECTORY, "directory", -1, -1, 0 ) \
XX( SELECTION, "selection", -1, -1, A_REVERSE ) \
+ /* Cyan is good with both black and white.
+ * Can't use A_REVERSE because bold'd be bright.
+ * Unfortunately ran out of B&W attributes. */ \
+ XX( MULTISELECT,"multiselect",-1, 6, 0 ) \
XX( SCROLLBAR, "scrollbar", -1, -1, 0 ) \
/* These are for debugging only */ \
XX( WARNING, "warning", 3, -1, 0 ) \
@@ -569,6 +573,7 @@ struct tab
int item_top; ///< Index of the topmost item
int item_selected; ///< Index of the selected item
+ int item_mark; ///< Multiselect second point index
};
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@@ -663,6 +668,7 @@ tab_init (struct tab *self, const char *name)
// and we'd need to filter it first to replace invalid chars with '?'
self->name_width = u8_strwidth ((uint8_t *) self->name, locale_charset ());
self->item_selected = 0;
+ self->item_mark = -1;
}
static void
@@ -671,6 +677,17 @@ tab_free (struct tab *self)
free (self->name);
}
+static struct tab_range { int from, upto; }
+tab_selection_range (struct tab *self)
+{
+ if (self->item_selected < 0 || !self->item_count)
+ return (struct tab_range) { -1, -1 };
+ if (self->item_mark < 0)
+ return (struct tab_range) { self->item_selected, self->item_selected };
+ return (struct tab_range) { MIN (self->item_selected, self->item_mark),
+ MAX (self->item_selected, self->item_mark) };
+}
+
// --- Configuration -----------------------------------------------------------
static struct config_schema g_config_settings[] =
@@ -1263,8 +1280,16 @@ app_draw_view (void)
{
int item_index = tab->item_top + row;
int row_attrs = (item_index & 1) ? APP_ATTR (ODD) : APP_ATTR (EVEN);
+
+ bool override_colors = true;
if (item_index == tab->item_selected)
row_attrs = APP_ATTR (SELECTION);
+ else if (tab->item_mark > -1 &&
+ ((item_index >= tab->item_mark && item_index <= tab->item_selected)
+ || (item_index >= tab->item_selected && item_index <= tab->item_mark)))
+ row_attrs = APP_ATTR (MULTISELECT);
+ else
+ override_colors = false;
struct row_buffer buf = row_buffer_make ();
tab->on_item_draw (item_index, &buf, view_width);
@@ -1274,7 +1299,7 @@ app_draw_view (void)
for (size_t i = 0; i < buf.chars_len; i++)
{
chtype *attrs = &buf.chars[i].attrs;
- if (item_index == tab->item_selected)
+ if (override_colors)
*attrs = (*attrs & ~(A_COLOR | A_REVERSE)) | row_attrs;
else if ((*attrs & A_COLOR) && (row_attrs & A_COLOR))
*attrs |= (row_attrs & ~A_COLOR);
@@ -1323,7 +1348,15 @@ static void
app_write_mpd_status (struct row_buffer *buf)
{
struct str_map *map = &g.playback_info;
- if (str_map_find (map, "updating_db"))
+ if (g.active_tab->item_mark > -1)
+ {
+ struct tab_range r = tab_selection_range (g.active_tab);
+ char *msg = xstrdup_printf (r.from == r.upto
+ ? "Selected %d item" : "Selected %d items", r.upto - r.from + 1);
+ row_buffer_append (buf, msg, APP_ATTR (HIGHLIGHT));
+ free (msg);
+ }
+ else if (str_map_find (map, "updating_db"))
row_buffer_append (buf, "Updating database...", APP_ATTR (NORMAL));
else
app_write_mpd_status_playlist (buf);
@@ -1521,6 +1554,7 @@ app_goto_tab (int tab_index)
XX( CHOOSE, "Choose item" ) \
XX( DELETE, "Delete item" ) \
XX( UP, "Go up a level" ) \
+ XX( MULTISELECT, "Toggle multiselect" ) \
\
XX( SCROLL_UP, "Scroll up" ) \
XX( SCROLL_DOWN, "Scroll down" ) \
@@ -1670,13 +1704,25 @@ app_process_action (enum action action)
// First let the tab try to handle this
struct tab *tab = g.active_tab;
if (tab->on_action && tab->on_action (action))
+ {
+ tab->item_mark = -1;
+ app_invalidate ();
return true;
+ }
switch (action)
{
case ACTION_NONE:
return true;
case ACTION_QUIT:
+ // It is a pseudomode, avoid surprising the user
+ if (tab->item_mark > -1)
+ {
+ tab->item_mark = -1;
+ app_invalidate ();
+ return true;
+ }
+
app_quit ();
return true;
case ACTION_REDRAW:
@@ -1691,6 +1737,18 @@ app_process_action (enum action action)
default:
return false;
+ case ACTION_MULTISELECT:
+ if (!tab->can_multiselect
+ || !tab->item_count || tab->item_selected < 0)
+ return false;
+
+ app_invalidate ();
+ if (tab->item_mark > -1)
+ tab->item_mark = -1;
+ else
+ tab->item_mark = tab->item_selected;
+ return true;
+
case ACTION_LAST_TAB:
if (!g.last_tab)
return false;
@@ -1943,6 +2001,7 @@ g_normal_defaults[] =
{ "Enter", ACTION_CHOOSE },
{ "Delete", ACTION_DELETE },
{ "Backspace", ACTION_UP },
+ { "v", ACTION_MULTISELECT },
{ "a", ACTION_MPD_ADD },
{ "r", ACTION_MPD_REPLACE },
{ ":", ACTION_MPD_COMMAND },
@@ -2187,6 +2246,7 @@ current_tab_init (void)
{
struct tab *super = &g_current_tab;
tab_init (super, "Current");
+ // TODO: implement multiselect, set can_multiselect to true
super->on_action = current_tab_on_action;
super->on_item_draw = current_tab_on_item_draw;
return super;
@@ -2412,6 +2472,9 @@ library_tab_on_data (const struct mpd_response *response,
(int (*) (const void *, const void *)) library_tab_compare);
g_library_tab.super.item_count = items->len;
+ // XXX: this unmarks even if just the database updates
+ g_library_tab.super.item_mark = -1;
+
// Don't force the selection visible when there's no need to touch it
if (g_library_tab.super.item_selected >= (int) items->len)
app_move_selection (0);
@@ -2433,21 +2496,36 @@ library_tab_reload (const char *new_path)
}
static bool
-library_tab_on_action (enum action action)
+library_tab_is_range_playable (struct tab_range range)
{
- struct tab *self = g.active_tab;
- if (self->item_selected < 0 || !self->item_count)
- return false;
+ for (int i = range.from; i <= range.upto; i++)
+ {
+ struct library_tab_item x =
+ library_tab_resolve (g_library_tab.items.vector[i]);
+ if (x.type == LIBRARY_DIR || x.type == LIBRARY_FILE)
+ return true;
+ }
+ return false;
+}
+static bool
+library_tab_on_action (enum action action)
+{
struct mpd_client *c = &g.client;
- if (c->state != MPD_CONNECTED)
+ struct tab_range range = tab_selection_range (&g_library_tab.super);
+ if (range.from < 0 || c->state != MPD_CONNECTED)
return false;
struct library_tab_item x =
- library_tab_resolve (g_library_tab.items.vector[self->item_selected]);
+ library_tab_resolve (g_library_tab.items.vector[range.from]);
+
switch (action)
{
case ACTION_CHOOSE:
+ // I can't think of a reasonable way of handling that
+ if (range.from != range.upto)
+ break;
+
switch (x.type)
{
case LIBRARY_ROOT:
@@ -2468,26 +2546,41 @@ library_tab_on_action (enum action action)
return parent != NULL;
}
case ACTION_MPD_REPLACE:
- if (x.type != LIBRARY_DIR && x.type != LIBRARY_FILE)
+ if (!library_tab_is_range_playable (range))
break;
// Clears the playlist (which stops playback), add what user wanted
// to replace it with, and eventually restore playback;
// I can't think of a reliable alternative that omits the "play"
mpd_client_list_begin (c);
+
mpd_client_send_command (c, "clear", NULL);
- mpd_client_send_command (c, "add", x.path, NULL);
+ for (int i = range.from; i <= range.upto; i++)
+ {
+ struct library_tab_item x =
+ library_tab_resolve (g_library_tab.items.vector[i]);
+ if (x.type == LIBRARY_DIR || x.type == LIBRARY_FILE)
+ mpd_client_send_command (c, "add", x.path, NULL);
+ }
if (g.state == PLAYER_PLAYING)
mpd_client_send_command (c, "play", NULL);
+
mpd_client_list_end (c);
mpd_client_add_task (c, mpd_on_simple_response, NULL);
mpd_client_idle (c, 0);
return true;
case ACTION_MPD_ADD:
- if (x.type != LIBRARY_DIR && x.type != LIBRARY_FILE)
+ if (!library_tab_is_range_playable (range))
break;
- return MPD_SIMPLE ("add", x.path);
+ for (int i = range.from; i <= range.upto; i++)
+ {
+ struct library_tab_item x =
+ library_tab_resolve (g_library_tab.items.vector[i]);
+ if (x.type == LIBRARY_DIR || x.type == LIBRARY_FILE)
+ MPD_SIMPLE ("add", x.path);
+ }
+ return true;
default:
break;
}
@@ -2502,6 +2595,7 @@ library_tab_init (void)
struct tab *super = &g_library_tab.super;
tab_init (super, "Library");
+ super->can_multiselect = true;
super->on_action = library_tab_on_action;
super->on_item_draw = library_tab_on_item_draw;
return super;