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diff --git a/src/list_window.c b/src/list_window.c
index af8abc9d4c07874b10077448618d05ac63401ae2..bf0f45aa18dd2019e6a634bf805859d31188570b 100644 (file)
--- a/src/list_window.c
+++ b/src/list_window.c
-/*
- * $Id$
- *
- * (c) 2004 by Kalle Wallin <kaw@linux.se>
- *
+/* ncmpc (Ncurses MPD Client)
+ * (c) 2004-2009 The Music Player Daemon Project
+ * Project homepage: http://musicpd.org
+
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
+
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
#include "list_window.h"
#include "config.h"
#include "options.h"
-#include "support.h"
+#include "charset.h"
+#include "match.h"
#include "command.h"
#include "colors.h"
+#include "screen.h"
+#include "i18n.h"
+#include <assert.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
extern void screen_bell(void);
-list_window_t *
+struct list_window *
list_window_init(WINDOW *w, unsigned width, unsigned height)
{
- list_window_t *lw;
+ struct list_window *lw;
lw = g_malloc0(sizeof(list_window_t));
lw->w = w;
lw->cols = width;
lw->rows = height;
- lw->clear = 1;
+ lw->visual_selection = false;
return lw;
}
-list_window_t *
-list_window_free(list_window_t *lw)
+void
+list_window_free(struct list_window *lw)
{
if (lw) {
memset(lw, 0, sizeof(list_window_t));
g_free(lw);
}
-
- return NULL;
}
void
-list_window_reset(list_window_t *lw)
+list_window_reset(struct list_window *lw)
{
lw->selected = 0;
+ lw->selected_start = 0;
+ lw->selected_end = 0;
+ lw->visual_selection = false;
+ lw->visual_base = 0;
lw->xoffset = 0;
lw->start = 0;
- lw->clear = 1;
}
void
-list_window_check_selected(list_window_t *lw, unsigned length)
+list_window_check_selected(struct list_window *lw, unsigned length)
{
- while (lw->start > 0 && lw->start + lw->rows > length)
- lw->start--;
+ if (lw->start + lw->rows > length) {
+ if (length > lw->rows)
+ lw->start = length - lw->rows;
+ else
+ lw->start = 0;
+ }
- while (lw->selected < lw->start)
- lw->selected++;
+ if (lw->selected < lw->start)
+ lw->selected = lw->start;
- while (lw->selected > 0 && length > 0 && lw->selected >= length)
- lw->selected--;
+ if (length == 0)
+ lw->selected = 0;
+ else if (lw->selected >= length)
+ lw->selected = length - 1;
+
+ if(lw->visual_selection)
+ {
+ if(lw->visual_base > lw->selected_end)
+ lw->selected_end = lw->selected;
+ if(lw->visual_base < lw->selected_start)
+ lw->selected_start = lw->selected;
+ }
+ else
+ {
+ lw->selected_start = lw->selected;
+ lw->selected_end = lw->selected;
+ }
}
void
-list_window_set_selected(list_window_t *lw, unsigned n)
+list_window_center(struct list_window *lw, unsigned rows, unsigned n)
{
- lw->selected = n;
+ if (n > lw->rows / 2)
+ lw->start = n - lw->rows / 2;
+ else
+ lw->start = 0;
+
+ if (lw->start + lw->rows > rows) {
+ if (lw->rows < rows)
+ lw->start = rows - lw->rows;
+ else
+ lw->start = 0;
+ }
}
void
-list_window_next(list_window_t *lw, unsigned length)
+list_window_set_selected(struct list_window *lw, unsigned n)
+{
+ lw->selected = n;
+ if(lw->visual_selection)
+ {
+ if(n >= lw->visual_base)
+ lw->selected_end = n;
+ if(n <= lw->visual_base)
+ lw->selected_start = n;
+ }
+ else
+ {
+ lw->selected_start = n;
+ lw->selected_end = n;
+ }
+}
+
+static void
+list_window_next(struct list_window *lw, unsigned length)
{
if (lw->selected + 1 < length)
- lw->selected++;
+ list_window_set_selected(lw, lw->selected + 1);
else if (options.list_wrap)
- lw->selected = 0;
+ list_window_set_selected(lw, 0);
}
-void
-list_window_previous(list_window_t *lw, unsigned length)
+static void
+list_window_previous(struct list_window *lw, unsigned length)
{
if (lw->selected > 0)
- lw->selected--;
+ list_window_set_selected(lw, lw->selected - 1);
else if (options.list_wrap)
- lw->selected = length - 1;
+ list_window_set_selected(lw, length-1);
}
-void
-list_window_first(list_window_t *lw)
+static void
+list_window_top(struct list_window *lw)
+{
+ list_window_set_selected(lw, lw->start);
+}
+
+static void
+list_window_middle(struct list_window *lw, unsigned length)
+{
+ if (length >= lw->rows)
+ list_window_set_selected(lw, lw->start + lw->rows / 2);
+ else
+ list_window_set_selected(lw, length / 2);
+}
+
+static void
+list_window_bottom(struct list_window *lw, unsigned length)
+{
+ if (length >= lw->rows)
+ list_window_set_selected(lw, lw->start + lw->rows - 1);
+ else
+ list_window_set_selected(lw, length - 1);
+}
+
+static void
+list_window_first(struct list_window *lw)
{
lw->xoffset = 0;
- lw->selected = 0;
+ list_window_set_selected(lw, 0);
}
-void
-list_window_last(list_window_t *lw, unsigned length)
+static void
+list_window_last(struct list_window *lw, unsigned length)
{
lw->xoffset = 0;
if (length > 0)
- lw->selected = length - 1;
+ list_window_set_selected(lw, length - 1);
else
- lw->selected = 0;
+ list_window_set_selected(lw, 0);
}
-void
-list_window_next_page(list_window_t *lw, unsigned length)
+static void
+list_window_next_page(struct list_window *lw, unsigned length)
{
if (lw->rows < 2)
return;
if (lw->selected + lw->rows < length)
- lw->selected += lw->rows - 1;
+ list_window_set_selected(lw, lw->selected + lw->rows - 1);
else
- return list_window_last(lw, length);
+ list_window_last(lw, length);
}
-void
-list_window_previous_page(list_window_t *lw)
+static void
+list_window_previous_page(struct list_window *lw)
{
if (lw->rows < 2)
return;
if (lw->selected > lw->rows - 1)
- lw->selected -= lw->rows - 1;
+ list_window_set_selected(lw, lw->selected - lw->rows + 1);
else
list_window_first(lw);
}
void
-list_window_paint(list_window_t *lw,
+list_window_paint(struct list_window *lw,
list_window_callback_fn_t callback,
void *callback_data)
{
unsigned i;
- int fill = options.wide_cursor;
- int show_cursor = !(lw->flags & LW_HIDE_CURSOR);
+ bool fill = options.wide_cursor;
+ bool show_cursor = !lw->hide_cursor;
if (show_cursor) {
- while (lw->selected < lw->start) {
- lw->start--;
- lw->clear=1;
- }
+ if (lw->selected < lw->start)
+ lw->start = lw->selected;
- while (lw->selected >= lw->start+lw->rows) {
- lw->start++;
- lw->clear=1;
- }
+ if (lw->selected >= lw->start + lw->rows)
+ lw->start = lw->selected - lw->rows + 1;
}
for (i = 0; i < lw->rows; i++) {
- int highlight = 0;
+ bool highlight = false;
const char *label;
label = callback(lw->start + i, &highlight, callback_data);
wmove(lw->w, i, 0);
- if( lw->clear && (!fill || !label) )
- wclrtoeol(lw->w);
if (label) {
- int selected = lw->start + i == lw->selected;
- size_t len = my_strlen(label);
+ bool selected = (lw->start + i >= lw->selected_start && lw->start + i <= lw->selected_end);
+ unsigned len = utf8_width(label);
- if( highlight )
+ if (highlight)
colors_use(lw->w, COLOR_LIST_BOLD);
else
colors_use(lw->w, COLOR_LIST);
- if( show_cursor && selected )
+ if (show_cursor && selected)
wattron(lw->w, A_REVERSE);
//waddnstr(lw->w, label, lw->cols);
waddstr(lw->w, label);
- if( fill && len<lw->cols )
+ if (fill && len < lw->cols)
whline(lw->w, ' ', lw->cols-len);
- if( selected )
+ if (selected)
wattroff(lw->w, A_REVERSE);
- }
- }
- lw->clear=0;
+ if (!fill && len < lw->cols)
+ wclrtoeol(lw->w);
+ } else
+ wclrtoeol(lw->w);
+ }
}
-int
-list_window_find(list_window_t *lw,
+bool
+list_window_find(struct list_window *lw,
list_window_callback_fn_t callback,
void *callback_data,
const char *str,
- int wrap)
+ bool wrap,
+ bool bell_on_wrap)
{
- int h;
+ bool h;
unsigned i = lw->selected + 1;
const char *label;
- while (wrap || i == lw->selected + 1) {
+ do {
while ((label = callback(i,&h,callback_data))) {
- if (str && label && strcasestr(label, str)) {
+ if (str && label && match_line(label, str)) {
lw->selected = i;
- return 0;
+ if(!lw->visual_selection || i > lw->selected_end)
+ lw->selected_end = i;
+ if(!lw->visual_selection || i < lw->selected_start)
+ lw->selected_start = i;
+ return true;
}
if (wrap && i == lw->selected)
- return 1;
+ return false;
i++;
}
if (wrap) {
if (i == 0) /* empty list */
return 1;
i=0; /* first item */
- screen_bell();
+ if (bell_on_wrap) {
+ screen_bell();
+ }
}
- }
+ } while (wrap);
- return 1;
+ return false;
}
-int
-list_window_rfind(list_window_t *lw,
+bool
+list_window_rfind(struct list_window *lw,
list_window_callback_fn_t callback,
void *callback_data,
const char *str,
- int wrap,
+ bool wrap,
+ bool bell_on_wrap,
unsigned rows)
{
- int h;
+ bool h;
int i = lw->selected - 1;
const char *label;
if (rows == 0)
- return 1;
+ return false;
- while (wrap || i == (int)lw->selected - 1) {
+ do {
while (i >= 0 && (label = callback(i,&h,callback_data))) {
- if( str && label && strcasestr(label, str) ) {
+ if( str && label && match_line(label, str) ) {
lw->selected = i;
- return 0;
+ if(!lw->visual_selection || i > (int)lw->selected_end)
+ lw->selected_end = i;
+ if(!lw->visual_selection || i < (int)lw->selected_start)
+ lw->selected_start = i;
+ return true;
}
if (wrap && i == (int)lw->selected)
- return 1;
+ return false;
i--;
}
if (wrap) {
i = rows - 1; /* last item */
- screen_bell();
+ if (bell_on_wrap) {
+ screen_bell();
+ }
+ }
+ } while (wrap);
+
+ return false;
+}
+
+bool
+list_window_jump(struct list_window *lw,
+ list_window_callback_fn_t callback,
+ void *callback_data,
+ const char *str)
+{
+ bool h;
+ unsigned i = 0;
+ const char *label;
+
+ while ((label = callback(i,&h,callback_data))) {
+ if (label && label[0] != '[')
+ {
+ if (str && label && g_ascii_strncasecmp(label, str, strlen(str)) == 0) {
+ lw->selected = i;
+ if(!lw->visual_selection || i > lw->selected_end)
+ lw->selected_end = i;
+ if(!lw->visual_selection || i < lw->selected_start)
+ lw->selected_start = i;
+ return true;
+ }
}
+ else if (str && label && g_ascii_strncasecmp(label+1, str, strlen(str)) == 0) {
+ lw->selected = i;
+ if(!lw->visual_selection || i > lw->selected_end)
+ lw->selected_end = i;
+ if(!lw->visual_selection || i < lw->selected_start)
+ lw->selected_start = i;
+ return true;
+ }
+ i++;
}
- return 1;
+ return false;
}
/* perform basic list window commands (movement) */
-int
-list_window_cmd(list_window_t *lw, unsigned rows, command_t cmd)
+bool
+list_window_cmd(struct list_window *lw, unsigned rows, command_t cmd)
{
switch (cmd) {
case CMD_LIST_PREVIOUS:
list_window_previous(lw, rows);
- lw->repaint=1;
break;
case CMD_LIST_NEXT:
list_window_next(lw, rows);
- lw->repaint=1;
+ break;
+ case CMD_LIST_TOP:
+ list_window_top(lw);
+ break;
+ case CMD_LIST_MIDDLE:
+ list_window_middle(lw,rows);
+ break;
+ case CMD_LIST_BOTTOM:
+ list_window_bottom(lw,rows);
break;
case CMD_LIST_FIRST:
list_window_first(lw);
- lw->repaint = 1;
break;
case CMD_LIST_LAST:
list_window_last(lw, rows);
- lw->repaint = 1;
break;
case CMD_LIST_NEXT_PAGE:
list_window_next_page(lw, rows);
- lw->repaint = 1;
break;
case CMD_LIST_PREVIOUS_PAGE:
list_window_previous_page(lw);
- lw->repaint = 1;
+ break;
+ case CMD_LIST_VISUAL_SELECT:
+ if(lw->visual_selection)
+ {
+ screen_status_printf(_("Visual selection disabled"));
+ lw->visual_selection = false;
+ list_window_set_selected(lw, lw->selected);
+ }
+ else
+ {
+ screen_status_printf(_("Visual selection enabled"));
+ lw->visual_base = lw->selected;
+ lw->visual_selection = true;
+ }
break;
default:
- return 0;
+ return false;
}
- return 1;
+ return true;
}
-list_window_state_t *
-list_window_init_state(void)
+bool
+list_window_scroll_cmd(struct list_window *lw, unsigned rows, command_t cmd)
{
- return g_malloc0(sizeof(list_window_state_t));
-}
+ switch (cmd) {
+ case CMD_LIST_PREVIOUS:
+ if (lw->start > 0)
+ lw->start--;
+ break;
-list_window_state_t *
-list_window_free_state(list_window_state_t *state)
-{
- if( state )
- {
- if( state->list )
- {
- GList *list = state->list;
- while( list )
- {
- g_free(list->data);
- list->data = NULL;
- list = list->next;
- }
- g_list_free(state->list);
- state->list = NULL;
+ case CMD_LIST_NEXT:
+ if (lw->start + lw->rows < rows)
+ lw->start++;
+ break;
+
+ case CMD_LIST_FIRST:
+ lw->start = 0;
+ break;
+
+ case CMD_LIST_LAST:
+ if (rows > lw->rows)
+ lw->start = rows - lw->rows;
+ else
+ lw->start = 0;
+ break;
+
+ case CMD_LIST_NEXT_PAGE:
+ lw->start += lw->rows - 1;
+ if (lw->start + lw->rows > rows) {
+ if (rows > lw->rows)
+ lw->start = rows - lw->rows;
+ else
+ lw->start = 0;
+ }
+ break;
+
+ case CMD_LIST_PREVIOUS_PAGE:
+ if (lw->start > lw->rows)
+ lw->start -= lw->rows;
+ else
+ lw->start = 0;
+ break;
+
+ default:
+ return false;
}
- g_free(state);
- }
- return NULL;
-}
-void
-list_window_push_state(list_window_state_t *state, list_window_t *lw)
-{
- if( state )
- {
- list_window_t *tmp = g_malloc(sizeof(list_window_t));
- memcpy(tmp, lw, sizeof(list_window_t));
- state->list = g_list_prepend(state->list, (gpointer) tmp);
- list_window_reset(lw);
- }
+ return true;
}
+#ifdef HAVE_GETMOUSE
bool
-list_window_pop_state(list_window_state_t *state, list_window_t *lw)
+list_window_mouse(struct list_window *lw, unsigned rows,
+ unsigned long bstate, int y)
{
- if( state && state->list )
- {
- list_window_t *tmp = state->list->data;
-
- memcpy(lw, tmp, sizeof(list_window_t));
- g_free(tmp);
- state->list->data = NULL;
- state->list = g_list_delete_link(state->list, state->list);
- }
-
- // return TRUE if there are still states in the list
- return (state && state->list) ? TRUE : FALSE;
+ assert(lw != NULL);
+
+ /* if the even occured above the list window move up */
+ if (y < 0) {
+ if (bstate & BUTTON3_CLICKED)
+ list_window_first(lw);
+ else
+ list_window_previous_page(lw);
+ return true;
+ }
+
+ /* if the even occured below the list window move down */
+ if ((unsigned)y >= rows) {
+ if (bstate & BUTTON3_CLICKED)
+ list_window_last(lw, rows);
+ else
+ list_window_next_page(lw, rows);
+ return true;
+ }
+
+ return false;
}
+#endif