Patch #5374 - Updated text editor plugin from Jonathan Gordon.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9963 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dave Chapman
parent
fa5caa0b5b
commit
4c3ada4428
1 changed files with 188 additions and 128 deletions
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@ -50,121 +50,156 @@
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#define TEXT_EDITOR_CANCEL BUTTON_POWER
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#define TEXT_EDITOR_ITEM_MENU BUTTON_PLAY
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#elif CONFIG_KEYPAD == GIGABEAT_PAD
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#else
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#error TEXT_EDITOR: Unsupported keypad
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#endif
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#define MAX_LINE_LEN 128
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#if PLUGIN_BUFFER_SIZE > 0x45000
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#define MAX_LINES 2048
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#define MAX_CHARS 0x40000 /* 128 kiB */
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#else
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#define MAX_LINES 128
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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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struct LineStruct {
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char line[MAX_LINE_LEN];
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int prev; /* index to prev item, or -1 */
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int next; /* index to next item, or -1 */
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};
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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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struct LineStruct lines[MAX_LINES];
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int line_count = 0;
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int first = -1, last = -1;
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int indicies[MAX_LINES];
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/**************************** stuff for the linked lists ***************/
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int build_indicies(void)
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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 i=0, index = first;
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struct LineStruct *line;
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if (first==-1)
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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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while (i<line_count)
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{
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indicies[i++] = index;
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DEBUGF("%d,",index);
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line = &lines[index];
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index = line->next;
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}
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DEBUGF("\n");
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return 1;
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}
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int find_first_free(int start)
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{
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int i;
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if ((start <0) || (start >=MAX_LINES))
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start = 0;
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i = start;
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do
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{
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if (lines[i].line[0] == '\0')
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return i;
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i = (i+1)%MAX_LINES;
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} while (i!=start);
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return -1;
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}
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int add_line(char *line, int idx_after_me)
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{
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struct LineStruct *temp;
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int next;
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int this_idx = find_first_free(idx_after_me);
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if ((line_count >= MAX_LINES) || (this_idx == -1))
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return -1;
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DEBUGF("line:%s ,idx_after_me=%d\n",line,idx_after_me);
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if (idx_after_me == -1) /* add as the first item */
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{
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rb->strcpy(lines[this_idx].line,line);
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lines[this_idx].prev = -1;
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if (first != -1)
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lines[first].prev = this_idx;
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lines[this_idx].next = first;
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first = this_idx;
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if (last == idx_after_me)
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last = this_idx;
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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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return 1;
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}
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temp = &lines[idx_after_me];
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next = lines[idx_after_me].next;
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temp->next = this_idx;
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rb->strcpy(lines[this_idx].line,line);
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temp = &lines[this_idx];
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temp->next = next;
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temp->prev = idx_after_me;
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if (last == idx_after_me)
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last = this_idx;
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if (first == -1)
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first = this_idx;
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line_count ++;
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return this_idx;
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}
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void del_line(int line)
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{
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int idx_prev, idx_next;
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idx_prev = (&lines[line])->prev;
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idx_next = (&lines[line])->next;
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lines[line].line[0] = '\0';
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lines[idx_prev].next = idx_next;
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lines[idx_next].prev = idx_prev;
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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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rb->strcpy(buf,lines[indicies[selected_item]].line);
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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[1024];
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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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@ -173,34 +208,37 @@ void save_changes(int overwrite)
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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,1024);
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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)
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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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rb->lcd_clear_display();
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build_indicies();
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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\n",lines[indicies[i]].line);
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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)
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void setup_lists(struct gui_synclist *lists, int sel)
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{
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build_indicies();
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rb->gui_synclist_init(lists,list_get_name_cb,0);
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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, 0);
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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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@ -219,7 +257,6 @@ int do_item_menu(int cur_sel, char* copy_buffer)
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{ "Insert Below", NULL },
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{ "", NULL },
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{ "Cat To Above",NULL },
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/* { "Split Line",NULL }, */
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{ "", NULL },
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{ "Save", NULL },
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};
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@ -229,12 +266,12 @@ int do_item_menu(int cur_sel, char* copy_buffer)
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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,lines[indicies[cur_sel]].line);
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del_line(indicies[cur_sel]);
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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,lines[indicies[cur_sel]].line);
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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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@ -244,7 +281,7 @@ int do_item_menu(int cur_sel, char* copy_buffer)
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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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add_line(copy_buffer,lines[indicies[cur_sel]].prev);
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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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@ -252,7 +289,7 @@ int do_item_menu(int cur_sel, char* copy_buffer)
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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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add_line(copy_buffer,indicies[cur_sel]);
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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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@ -263,13 +300,10 @@ int do_item_menu(int cur_sel, char* copy_buffer)
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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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rb->strcat(lines[indicies[cur_sel-1]].line,lines[indicies[cur_sel]].line);
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del_line(indicies[cur_sel]);
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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: // split line */
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case 7: /* save */
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ret = MENU_RET_SAVE;
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break;
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@ -284,19 +318,32 @@ int do_item_menu(int cur_sel, char* copy_buffer)
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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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char temp_line[MAX_LINE_LEN];
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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, last_button = BUTTON_NONE;
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bool changed = false;
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int cur_sel;
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char copy_buffer[MAX_LINE_LEN]; copy_buffer[0]='\0';
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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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@ -306,7 +353,7 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
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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 (add_line(temp_line,last) < 0)
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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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@ -315,16 +362,30 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
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}
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rb->close(fd);
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}
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else filename[0] = '\0';
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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);
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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->button_get(true);
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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 TEXT_EDITOR_SELECT:
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@ -333,15 +394,15 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
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if (last_button != TEXT_EDITOR_SELECT_PRE)
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break;
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#endif
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char buf[MAX_LINE_LEN];buf[0]='\0';
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if (line_count)
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rb->strcpy(buf,lines[indicies[cur_sel]].line);
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if (!rb->kbd_input(buf,MAX_LINE_LEN))
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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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rb->strcpy(lines[indicies[cur_sel]].line,buf);
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else { add_line(buf, first); setup_lists(&lists); }
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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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@ -353,10 +414,9 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
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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,lines[indicies[cur_sel]].line);
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del_line(indicies[cur_sel]);
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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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setup_lists(&lists);
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break;
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#endif
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#ifdef TEXT_EDITOR_ITEM_MENU
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|
|
@ -381,7 +441,6 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
|
|||
break;
|
||||
case MENU_RET_UPDATE:
|
||||
changed = true;
|
||||
setup_lists(&lists);
|
||||
break;
|
||||
case MENU_RET_NO_UPDATE:
|
||||
break;
|
||||
|
|
@ -441,7 +500,8 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
|
|||
break;
|
||||
}
|
||||
last_button = button;
|
||||
rb->gui_synclist_set_nb_items(&lists,line_count);
|
||||
}
|
||||
|
||||
rb->global_settings->statusbar = prev_show_statusbar;
|
||||
return PLUGIN_OK;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue