de93c63834
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10836 a1c6a512-1295-4272-9138-f99709370657
453 lines
12 KiB
C
453 lines
12 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2006 Jonathan Gordon
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "plugin.h"
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#include "action.h"
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#if PLUGIN_BUFFER_SIZE > 0x45000
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#define MAX_CHARS 0x40000 /* 128 kiB */
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#else
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#define MAX_CHARS 0x6000 /* 24 kiB */
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#endif
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#define MAX_LINE_LEN 2048
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PLUGIN_HEADER
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static struct plugin_api* rb;
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static char buffer[MAX_CHARS];
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static char eol[3];
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static int char_count = 0;
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static int line_count = 0;
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static int last_action_line = 0;
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static int last_char_index = 0;
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#define ACTION_INSERT 0
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#define ACTION_GET 1
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#define ACTION_REMOVE 2
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#define ACTION_UPDATE 3
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#define ACTION_CONCAT 4
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int _do_action(int action, char* str, int line);
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#ifndef HAVE_ADJUSTABLE_CPU_FREQ
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#define do_action _do_action
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#else
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int do_action(int action, char* str, int line)
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{
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int r;
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rb->cpu_boost(1);
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r = _do_action(action,str,line);
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rb->cpu_boost(0);
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return r;
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}
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#endif
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int _do_action(int action, char* str, int line)
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{
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int len;
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int i=0,c=0;
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if (line>=last_action_line)
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{
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i = last_action_line;
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c = last_char_index;
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}
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while (i<line && i<line_count)
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{
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c += rb->strlen(&buffer[c])+1;
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i++;
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}
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switch (action)
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{
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case ACTION_INSERT:
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len = rb->strlen(str)+1;
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if ( char_count+ len > MAX_CHARS )
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return 0;
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rb->memmove(&buffer[c+len],&buffer[c],char_count);
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rb->strcpy(&buffer[c],str);
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char_count += len;
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line_count++;
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break;
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case ACTION_GET:
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if (line > line_count)
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return 0;
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last_action_line = i;
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last_char_index = c;
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return c;
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break;
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case ACTION_REMOVE:
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if (line > line_count)
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return 0;
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len = rb->strlen(&buffer[c])+1;
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rb->memmove(&buffer[c],&buffer[c+len],char_count);
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char_count -= len;
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line_count--;
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break;
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case ACTION_UPDATE:
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if (line > line_count)
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return 0;
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len = rb->strlen(&buffer[c])+1;
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rb->memmove(&buffer[c+rb->strlen(str)+1],&buffer[c+len],char_count);
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rb->strcpy(&buffer[c],str);
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char_count += rb->strlen(str)+1-len;
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break;
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case ACTION_CONCAT:
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if (line > line_count)
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return 0;
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rb->memmove(&buffer[c-1],&buffer[c],char_count);
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break;
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default:
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return 0;
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}
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last_action_line = i;
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last_char_index = c;
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return 1;
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}
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char *list_get_name_cb(int selected_item,void* data,char* buf)
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{
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char *b = &buffer[do_action(ACTION_GET,0,selected_item)];
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(void)data;
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if (rb->strlen(b) >= MAX_PATH)
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{
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char t = b[MAX_PATH-10];
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b[MAX_PATH-10] = '\0';
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rb->snprintf(buf,MAX_PATH,"%s ...\0",b);
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b[MAX_PATH-10] = t;
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}
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else rb->strcpy(buf,b);
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return buf;
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}
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char filename[MAX_PATH];
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int get_eol_string(char* fn)
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{
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int fd=-1;
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char t;
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if (!fn)
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return 0;
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else if (!fn[0])
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return 0;
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fd = rb->PREFIX(open(fn,O_RDONLY));
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if (fd<0)
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return 0;
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eol[0] = '\0';
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while (!eol[0])
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{
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if (!rb->read(fd,&t,1))
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{
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rb->strcpy(eol,"\n");
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return 0;
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}
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if (t == '\r')
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{
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if (rb->read(fd,&t,1) && t=='\n')
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rb->strcpy(eol,"\r\n");
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else rb->strcpy(eol,"\r");
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}
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else if (t == '\n')
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{
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rb->strcpy(eol,"\n");
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}
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}
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rb->close(fd);
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return 1;
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}
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void save_changes(int overwrite)
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{
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int fd;
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int i;
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if (!filename[0] || !overwrite)
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{
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rb->strcpy(filename,"/");
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rb->kbd_input(filename,MAX_PATH);
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}
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fd = rb->open(filename,O_WRONLY|O_CREAT);
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if (fd < 0)
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{
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rb->splash(HZ*2,1,"Changes NOT saved");
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return;
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}
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if (!overwrite)
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/* current directory may have changed */
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rb->reload_directory();
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rb->lcd_clear_display();
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#ifdef HAVE_ADJUSTABLE_CPU_FREQ
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rb->cpu_boost(1);
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#endif
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for (i=0;i<line_count;i++)
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{
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rb->fdprintf(fd,"%s%s",&buffer[do_action(ACTION_GET,0,i)],eol);
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}
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#ifdef HAVE_ADJUSTABLE_CPU_FREQ
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rb->cpu_boost(0);
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#endif
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rb->close(fd);
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}
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void setup_lists(struct gui_synclist *lists, int sel)
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{
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rb->gui_synclist_init(lists,list_get_name_cb,0, false, 1);
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rb->gui_synclist_set_icon_callback(lists,NULL);
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rb->gui_synclist_set_nb_items(lists,line_count);
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rb->gui_synclist_limit_scroll(lists,true);
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rb->gui_synclist_select_item(lists, sel);
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rb->gui_synclist_draw(lists);
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}
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enum {
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MENU_RET_SAVE = -1,
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MENU_RET_NO_UPDATE,
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MENU_RET_UPDATE,
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};
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int do_item_menu(int cur_sel, char* copy_buffer)
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{
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int m, ret = 0;
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static const struct menu_item items[] = {
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{ "Cut", NULL },
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{ "Copy", NULL },
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{ "", NULL },
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{ "Insert Above", NULL },
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{ "Insert Below", NULL },
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{ "", NULL },
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{ "Cat To Above",NULL },
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{ "", NULL },
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{ "Save", NULL },
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};
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m = rb->menu_init(items, sizeof(items) / sizeof(*items),
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NULL, NULL, NULL, NULL);
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switch (rb->menu_show(m))
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{
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case 0: /* cut */
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rb->strcpy(copy_buffer,&buffer[do_action(ACTION_GET,0,cur_sel)]);
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do_action(ACTION_REMOVE,0,cur_sel);
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ret = MENU_RET_UPDATE;
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break;
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case 1: /* copy */
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rb->strcpy(copy_buffer,&buffer[do_action(ACTION_GET,0,cur_sel)]);
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ret = MENU_RET_NO_UPDATE;
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break;
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case 2: /* blank */
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ret = MENU_RET_NO_UPDATE;
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break;
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case 3: /* insert above */
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if (!rb->kbd_input(copy_buffer,MAX_LINE_LEN))
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{
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do_action(ACTION_INSERT,copy_buffer,cur_sel);
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copy_buffer[0]='\0';
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ret = MENU_RET_UPDATE;
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}
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break;
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case 4: /* insert below */
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if (!rb->kbd_input(copy_buffer,MAX_LINE_LEN))
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{
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do_action(ACTION_INSERT,copy_buffer,cur_sel+1);
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copy_buffer[0]='\0';
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ret = MENU_RET_UPDATE;
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}
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break;
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case 5: /* blank */
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ret = MENU_RET_NO_UPDATE;
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break;
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case 6: /* cat to above */
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if (cur_sel>0)
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{
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do_action(ACTION_CONCAT,0,cur_sel);
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ret = MENU_RET_UPDATE;
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}
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break;
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case 7: /* save */
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ret = MENU_RET_SAVE;
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break;
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default:
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ret = MENU_RET_NO_UPDATE;
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break;
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}
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rb->menu_exit(m);
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return ret;
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}
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/* this is the plugin entry point */
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enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
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{
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int fd;
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static char temp_line[MAX_LINE_LEN];
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struct gui_synclist lists;
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bool exit = false;
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int button;
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bool changed = false;
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int cur_sel=0;
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static char copy_buffer[MAX_LINE_LEN];
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bool prev_show_statusbar;
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rb = api;
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copy_buffer[0]='\0';
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prev_show_statusbar = rb->global_settings->statusbar;
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rb->global_settings->statusbar = false;
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#ifdef HAVE_ADJUSTABLE_CPU_FREQ
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rb->cpu_boost(1);
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#endif
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if (parameter)
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{
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rb->strcpy(filename,(char*)parameter);
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if (!get_eol_string(filename))
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{
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rb->strcpy(eol,"\n");
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}
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fd = rb->open(filename,O_RDONLY);
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if (fd<0)
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{
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rb->splash(HZ*2,true,"Couldnt open file: %s",(char*)parameter);
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return PLUGIN_ERROR;
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}
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/* read in the file */
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while (rb->read_line(fd,temp_line,MAX_LINE_LEN))
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{
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if (!do_action(ACTION_INSERT,temp_line,line_count))
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{
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rb->splash(HZ*2,true,"Error reading file: %s",(char*)parameter);
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rb->close(fd);
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return PLUGIN_ERROR;
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}
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}
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rb->close(fd);
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}
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else
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{
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filename[0] = '\0';
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rb->strcpy(eol,"\n");
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}
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#ifdef HAVE_ADJUSTABLE_CPU_FREQ
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rb->cpu_boost(0);
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#endif
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/* now dump it in the list */
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setup_lists(&lists,0);
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rb->lcd_update();
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while (!exit)
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{
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#ifdef HAVE_ADJUSTABLE_CPU_FREQ
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rb->cpu_boost(1);
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#endif
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rb->gui_synclist_draw(&lists);
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cur_sel = rb->gui_synclist_get_sel_pos(&lists);
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button = rb->get_action(CONTEXT_LIST,TIMEOUT_BLOCK);
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if (rb->gui_synclist_do_button(&lists,button))
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continue;
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#ifdef HAVE_ADJUSTABLE_CPU_FREQ
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rb->cpu_boost(0);
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#endif
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switch (button)
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{
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case ACTION_STD_OK:
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{
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if (line_count)
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rb->strcpy(temp_line,&buffer[do_action(ACTION_GET,0,cur_sel)]);
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if (!rb->kbd_input(temp_line,MAX_LINE_LEN))
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{
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if (line_count)
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{
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do_action(ACTION_UPDATE,temp_line,cur_sel);
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}
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else do_action(ACTION_INSERT,temp_line,cur_sel);
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changed = true;
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}
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}
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break;
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#ifdef TEXT_EDITOR_DELETE
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case TEXT_EDITOR_DELETE:
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#ifdef TEXT_EDITOR_DELETE_PRE
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if (last_button != TEXT_EDITOR_DELETE_PRE)
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break;
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#endif
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if (!line_count) break;
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rb->strcpy(copy_buffer,&buffer[do_action(ACTION_GET,0,cur_sel)]);
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do_action(ACTION_REMOVE,0,cur_sel);
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changed = true;
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break;
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#endif
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case ACTION_STD_MENU:
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{ /* do the item menu */
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switch (do_item_menu(cur_sel, copy_buffer))
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{
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case MENU_RET_SAVE:
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save_changes(1);
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changed = false;
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break;
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case MENU_RET_UPDATE:
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changed = true;
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break;
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case MENU_RET_NO_UPDATE:
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break;
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}
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}
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break;
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case ACTION_STD_CANCEL:
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if (changed)
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{
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int m;
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int result;
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static const struct menu_item items[] = {
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{ "Return", NULL },
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{ " ", NULL },
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{ "Save Changes", NULL },
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{ "Save As...", NULL },
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{ " ", NULL },
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{ "Save and Exit", NULL },
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{ "Ignore Changes and Exit", NULL },
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};
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m = rb->menu_init(items, sizeof(items) / sizeof(*items),
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NULL, NULL, NULL, NULL);
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result=rb->menu_show(m);
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switch (result)
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{
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case 0:
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break;
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case 2: //save to disk
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save_changes(1);
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changed = 0;
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break;
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case 3:
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save_changes(0);
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changed = 0;
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break;
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case 5:
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save_changes(1);
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exit=1;
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break;
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case 6:
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exit=1;
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break;
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}
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rb->menu_exit(m);
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}
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else exit=1;
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break;
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}
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rb->gui_synclist_set_nb_items(&lists,line_count);
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}
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rb->global_settings->statusbar = prev_show_statusbar;
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return PLUGIN_OK;
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}
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