Changed directory layout (for future use of gettext)

git-svn-id: https://svn.musicpd.org/ncmpc/trunk@1342 09075e82-0dd4-0310-85a5-a0d7c8717e4f

1 files changed, 393 insertions, 0 deletions

diff --git a/src/screen_keydef.c b/src/screen_keydef.c
new file mode 100644
index 000000000..4bda6ea21
--- /dev/null
+++ b/src/screen_keydef.c
@@ -0,0 +1,393 @@
+/* 
+ * (c) 2004 by Kalle Wallin (kaw@linux.se)
+ *
+ * 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
+ *
+ */
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <glib.h>
+#include <ncurses.h>
+
+#include "config.h"
+
+#ifdef  ENABLE_KEYDEF_SCREEN
+#include "libmpdclient.h"
+#include "options.h"
+#include "conf.h"
+#include "mpc.h"
+#include "command.h"
+#include "screen.h"
+#include "screen_utils.h"
+
+#define STATIC_ITEMS      0
+#define STATIC_SUB_ITEMS  1
+#define BUFSIZE 256
+
+#define LIST_ITEM_APPLY()   (command_list_length)
+#define LIST_ITEM_SAVE()    (LIST_ITEM_APPLY()+1)
+#define LIST_LENGTH()       (LIST_ITEM_SAVE()+1)
+
+#define LIST_ITEM_SAVE_LABEL  "===> Apply & Save key bindings  "
+#define LIST_ITEM_APPLY_LABEL "===> Apply key bindings "
+
+
+static list_window_t *lw = NULL;
+static int command_list_length = 0;
+static command_definition_t *cmds = NULL;
+
+static int subcmd = -1;
+static int subcmd_length = 0;
+static int subcmd_addpos = 0;
+
+static int
+keybindings_changed(void)
+{
+  command_definition_t *orginal_cmds = get_command_definitions();
+  size_t size = command_list_length*sizeof(command_definition_t);
+  
+  return memcmp(orginal_cmds, cmds, size);
+}
+
+static void
+apply_keys(void)
+{
+  if( keybindings_changed() )
+    {
+      command_definition_t *orginal_cmds = get_command_definitions();
+      size_t size = command_list_length*sizeof(command_definition_t);
+
+      memcpy(orginal_cmds, cmds, size);
+      screen_status_printf("You have new key bindings!");
+    }
+  else
+    screen_status_printf("Keybindings unchanged.");
+}
+
+static int
+save_keys(void)
+{
+  FILE *f;
+  char *filename;
+
+  if( check_user_conf_dir() )
+    {
+      screen_status_printf("Error: Unable to create direcory ~/.ncmpc - %s", 
+			   strerror(errno));
+      beep();
+      return -1;
+    }
+
+  filename = get_user_key_binding_filename();
+
+  if( (f=fopen(filename,"w")) == NULL )
+    {
+      screen_status_printf("Error: %s - %s", filename, strerror(errno));
+      beep();
+      g_free(filename);
+      return -1;
+    }
+  if( write_key_bindings(f) )
+    screen_status_printf("Error: %s - %s", filename, strerror(errno));
+  else
+    screen_status_printf("Wrote %s", filename);
+  
+  g_free(filename);
+  return fclose(f);
+}
+
+static void
+check_subcmd_length(void)
+{
+  subcmd_length = 0;
+  while( subcmd_length<MAX_COMMAND_KEYS && cmds[subcmd].keys[subcmd_length]>0 )
+   subcmd_length ++;
+
+  if( subcmd_length<MAX_COMMAND_KEYS )
+    {
+      subcmd_addpos = subcmd_length;
+      subcmd_length++;
+    }
+  else
+    subcmd_addpos = 0;
+  subcmd_length += STATIC_SUB_ITEMS;
+}
+
+static void
+delete_key(int cmd_index, int key_index)
+{
+  int i = key_index+1;
+
+  screen_status_printf("Delete...");
+  while( i<MAX_COMMAND_KEYS && cmds[cmd_index].keys[i] )
+    cmds[cmd_index].keys[key_index++] = cmds[cmd_index].keys[i++];
+  cmds[cmd_index].keys[key_index] = 0;
+
+  check_subcmd_length();
+  lw->clear = 1;
+  lw->repaint = 1;
+}
+
+static void
+assign_new_key(WINDOW *w, int cmd_index, int key_index)
+{
+  int key;
+  char buf[BUFSIZE];
+  command_t cmd;
+
+  snprintf(buf, BUFSIZE, "Enter new key for %s: ", cmds[cmd_index].name);
+  key = screen_getch(w, buf);
+  if( key==KEY_RESIZE )
+    screen_resize();
+  if( key==ERR )
+    {
+      screen_status_printf("Aborted!");
+      return;
+    }
+  cmd = find_key_command(key, cmds);
+  if( cmd!=CMD_NONE && cmd!= cmds[cmd_index].command )
+    {
+      screen_status_printf("Error: key %s is already used for %s", 
+			   key2str(key),
+			   get_key_command_name(cmd));
+      beep();
+      return;
+    }
+  cmds[cmd_index].keys[key_index] = key;
+  screen_status_printf("Assigned %s to %s", key2str(key),cmds[cmd_index].name);
+  check_subcmd_length();
+  lw->repaint = 1;
+}
+
+static char *
+list_callback(int index, int *highlight, void *data)
+{
+  static char buf[BUFSIZE];
+
+  if( subcmd <0 )
+    {
+      if( index<command_list_length )
+	return cmds[index].name;
+      else if( index==LIST_ITEM_APPLY() )
+	return LIST_ITEM_APPLY_LABEL;
+      else if( index==LIST_ITEM_SAVE() )
+	return LIST_ITEM_SAVE_LABEL;
+    }
+  else
+  {
+    if( index== 0 )
+      return "[..]";
+    index--;
+    if( index<MAX_COMMAND_KEYS && cmds[subcmd].keys[index]>0 )
+      {
+	snprintf(buf, 
+		 BUFSIZE, "%d. %-20s   (%d) ", 
+		 index+1, 
+		 key2str(cmds[subcmd].keys[index]),
+		 cmds[subcmd].keys[index]);
+	return buf;
+      } 
+    else if ( index==subcmd_addpos )
+      {
+	snprintf(buf, BUFSIZE, "%d. Add new key ", index+1 );
+	return buf;
+      }
+  }
+  
+  return NULL;
+}
+
+static void 
+keydef_init(WINDOW *w, int cols, int rows)
+{
+  lw = list_window_init(w, cols, rows);
+}
+
+static void
+keydef_resize(int cols, int rows)
+{
+  lw->cols = cols;
+  lw->rows = rows;
+}
+
+static void 
+keydef_exit(void)
+{
+  list_window_free(lw);
+  if( cmds )
+    g_free(cmds);
+  cmds = NULL;
+  lw = NULL;
+}
+
+static void 
+keydef_open(screen_t *screen, mpd_client_t *c)
+{
+  if( cmds == NULL )
+    {
+      command_definition_t *current_cmds = get_command_definitions();
+      size_t cmds_size;
+
+      command_list_length = 0;
+      while( current_cmds[command_list_length].name )
+	command_list_length++;
+
+      cmds_size = (command_list_length+1)*sizeof(command_definition_t);
+      cmds = g_malloc0(cmds_size);
+      memcpy(cmds, current_cmds, cmds_size);
+      command_list_length += STATIC_ITEMS;
+      screen_status_printf("Welcome to the key editor!");
+    }
+
+  subcmd = -1;
+  list_window_check_selected(lw, LIST_LENGTH());  
+}
+
+static void 
+keydef_close(void)
+{
+  if( cmds && !keybindings_changed() )
+    {
+      g_free(cmds);
+      cmds = NULL;
+    }
+  else
+    screen_status_printf("Note: Did you forget to \'Apply\' your changes?");
+}
+
+static char *
+keydef_title(void)
+{
+  static char buf[BUFSIZE];
+
+  if( subcmd<0 )
+    return (TOP_HEADER_PREFIX "Edit key bindings");
+  
+  snprintf(buf, BUFSIZE, 
+	   TOP_HEADER_PREFIX "Edit keys for %s", 
+	   cmds[subcmd].name);
+  return buf;
+}
+
+static void 
+keydef_paint(screen_t *screen, mpd_client_t *c)
+{
+  lw->clear = 1;
+  list_window_paint(lw, list_callback, NULL);
+  wrefresh(lw->w);
+}
+
+static void 
+keydef_update(screen_t *screen, mpd_client_t *c)
+{  
+  if( lw->repaint )
+    {
+      list_window_paint(lw, list_callback, NULL);
+      wrefresh(lw->w);
+      lw->repaint = 0;
+    }
+}
+
+static int 
+keydef_cmd(screen_t *screen, mpd_client_t *c, command_t cmd)
+{
+  int length = LIST_LENGTH();
+
+  if( subcmd>=0 )
+    length = subcmd_length;
+
+  switch(cmd)
+    {
+    case CMD_PLAY:
+      if( subcmd<0 )
+	{
+	  if( lw->selected == LIST_ITEM_APPLY() )
+	    apply_keys();
+	  else if( lw->selected == LIST_ITEM_SAVE() )
+	    {
+	      apply_keys();
+	      save_keys();
+	    }
+	  else
+	    {
+	      subcmd = lw->selected;
+	      lw->selected=0;
+	      check_subcmd_length();
+	    }
+	}
+      else
+	{
+	  if( lw->selected == 0 ) /* up */
+	    {
+	      lw->selected = subcmd;
+	      subcmd = -1;
+	    }
+	  else
+	    assign_new_key(screen->status_window.w, 
+			   subcmd,
+			   lw->selected-STATIC_SUB_ITEMS);
+	}
+      lw->repaint = 1;
+      lw->clear = 1;
+      return 1;
+    case CMD_DELETE:
+      if( subcmd>=0 && lw->selected-STATIC_SUB_ITEMS>=0 )
+	delete_key(subcmd, lw->selected-STATIC_SUB_ITEMS);
+      return 1;
+      break;
+    case CMD_LIST_FIND:
+    case CMD_LIST_RFIND:
+    case CMD_LIST_FIND_NEXT:
+    case CMD_LIST_RFIND_NEXT:
+      return screen_find(screen, c, 
+			 lw,  length,
+			 cmd, list_callback);
+
+    default:
+      break;
+    }
+
+  return list_window_cmd(lw, length, cmd);
+}
+
+static list_window_t *
+keydef_lw(void)
+{
+  return lw;
+}
+
+screen_functions_t *
+get_screen_keydef(void)
+{
+  static screen_functions_t functions;
+
+  memset(&functions, 0, sizeof(screen_functions_t));
+  functions.init   = keydef_init;
+  functions.exit   = keydef_exit;
+  functions.open   = keydef_open;
+  functions.close  = keydef_close;
+  functions.resize = keydef_resize;
+  functions.paint  = keydef_paint;
+  functions.update = keydef_update;
+  functions.cmd    = keydef_cmd;
+  functions.get_lw = keydef_lw;
+  functions.get_title = keydef_title;
+
+  return &functions;
+}
+
+
+#endif