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rockbox/apps/plugins/databox/databox.c
Jens Arnold 04daef17a1 First part of graphics api rework. Special functions, parameter handling, pixel functions, lines and filled primitives done for black & white core, main display. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6856 a1c6a512-1295-4272-9138-f99709370657
2005-06-24 22:33:21 +00:00

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 Björn Stenberg
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "databox.h"
/* variable button definitions */
#if CONFIG_KEYPAD == IRIVER_H100_PAD
#define DBX_SELECT BUTTON_SELECT
#define DBX_STOP BUTTON_OFF
#elif CONFIG_KEYPAD == RECORDER_PAD
#define DBX_SELECT BUTTON_PLAY
#define DBX_STOP BUTTON_OFF
#elif CONFIG_KEYPAD == ONDIO_PAD
#define DBX_SELECT BUTTON_MENU
#define DBX_STOP BUTTON_OFF
#elif CONFIG_KEYPAD == PLAYER_PAD
#define DBX_SELECT BUTTON_PLAY
#define DBX_STOP BUTTON_STOP
#endif
#define MAX_TOKENS 70
/* here is a global api struct pointer. while not strictly necessary,
it's nice not to have to pass the api pointer in all function calls
in the plugin */
struct plugin_api* rb;
struct token tokenbuf[MAX_TOKENS];
struct print printing;
struct editor editor;
struct editing editing;
extern int acceptedmask;
void databox_init(void) {
#ifdef HAVE_LCD_BITMAP
printing.fontfixed = rb->font_get(FONT_SYSFIXED);
rb->lcd_setfont(FONT_SYSFIXED);
printing.font_w = printing.fontfixed->maxwidth;
printing.font_h = printing.fontfixed->height;
#endif
printing.line=0;
printing.position=0;
editor.editingmode = INVALID_MARK;
editor.token = tokenbuf;
}
#ifdef HAVE_LCD_BITMAP
void print(char *word, int invert) {
int strlen=rb->strlen(word), newpos=printing.position+strlen+1;
if(newpos*printing.font_w>LCD_WIDTH) {
printing.line++;
printing.position=0;
newpos=printing.position+strlen+1;
}
/* Fixme: the display code needs to keep the current item visible instead of
* just displaying the first items. */
if (printing.font_h*printing.line >= LCD_HEIGHT)
return;
rb->lcd_putsxy(printing.font_w*printing.position,printing.font_h*printing.line,word);
if(invert) {
rb->lcd_set_drawmode(DRMODE_COMPLEMENT);
rb->lcd_fillrect(printing.font_w*printing.position,printing.font_h*printing.line,printing.font_w*strlen,printing.font_h);
rb->lcd_set_drawmode(DRMODE_SOLID);
}
rb->lcd_update_rect(printing.font_w*printing.position,printing.font_h*printing.line,printing.font_w*strlen,printing.font_h);
printing.position=newpos;
}
#else /* HAVE_LCD_CHARCELLS */
#define MARKER_LEFT 0x81
#define MARKER_RIGHT 0x82
void print(char *word, int invert) {
int strlen = rb->strlen(word);
int newpos = printing.position + strlen + (invert ? 3 : 1);
if (newpos > 11) {
printing.line++;
printing.position = 0;
newpos = printing.position + strlen + (invert ? 3 : 1);
}
/* Fixme: the display code needs to keep the current item visible instead of
* just displaying the first items. */
if (printing.line >= 2)
return;
if (invert) {
rb->lcd_putc(printing.position, printing.line, MARKER_LEFT);
rb->lcd_puts(printing.position + 1, printing.line, word);
rb->lcd_putc(printing.position + strlen + 1, printing.line, MARKER_RIGHT);
}
else
rb->lcd_puts(printing.position, printing.line, word);
printing.position = newpos;
}
#endif
void displaytstream(struct token *token) {
int index=0;
while(token[index].kind!=TOKEN_EOF||index==editor.currentindex) {
if(editing.selecting&&index==editor.currentindex) {
print(tokentypetostring(editing.selection_candidates[editing.currentselection]),1);
}
else
print(tokentostring(&token[index]),index==editor.currentindex ? 1 : 0);
index++;
}
}
void buildchoices(int mask) {
int i;
for(i=0;i<20;i++)
editing.selection_candidates[i]=-1;
i=0;
if(editing.selecting&&
editing.old_token.kind!=TOKEN_EOF &&
editing.old_token.kind!=TOKEN_INVALID) {
editing.selection_candidates[i++]=TOKEN_EDIT;
}
if((mask&ACCEPT_EOF)&&editor.valid)
editing.selection_candidates[i++]=TOKEN_EOF;
if(mask&ACCEPT_NOT)
editing.selection_candidates[i++]=TOKEN_NOT;
if(mask&ACCEPT_BOOLOP) {
editing.selection_candidates[i++]=TOKEN_AND;
editing.selection_candidates[i++]=TOKEN_OR;
}
if(mask&ACCEPT_NUMOP) {
editing.selection_candidates[i++]=TOKEN_GT;
editing.selection_candidates[i++]=TOKEN_GTE;
editing.selection_candidates[i++]=TOKEN_LT;
editing.selection_candidates[i++]=TOKEN_LTE;
editing.selection_candidates[i++]=TOKEN_NE;
editing.selection_candidates[i++]=TOKEN_EQ;
}
if(mask&ACCEPT_STROP) {
editing.selection_candidates[i++]=TOKEN_CONTAINS;
editing.selection_candidates[i++]=TOKEN_EQUALS;
editing.selection_candidates[i++]=TOKEN_STARTSWITH;
editing.selection_candidates[i++]=TOKEN_ENDSWITH;
}
if(mask&ACCEPT_LPAREN) {
editing.selection_candidates[i++]=TOKEN_LPAREN;
}
if(mask&ACCEPT_RPAREN) {
editing.selection_candidates[i++]=TOKEN_RPAREN;
}
if(mask&ACCEPT_NUMARG) {
editing.selection_candidates[i++]=TOKEN_NUM;
editing.selection_candidates[i++]=TOKEN_YEAR;
editing.selection_candidates[i++]=TOKEN_RATING;
editing.selection_candidates[i++]=TOKEN_PLAYCOUNT;
editing.selection_candidates[i++]=TOKEN_AUTORATING;
editing.selection_candidates[i++]=TOKEN_TRACKNUM;
editing.selection_candidates[i++]=TOKEN_PLAYTIME;
editing.selection_candidates[i++]=TOKEN_SAMPLERATE;
editing.selection_candidates[i++]=TOKEN_BITRATE;
}
if(mask&ACCEPT_STRARG) {
editing.selection_candidates[i++]=TOKEN_STRING;
editing.selection_candidates[i++]=TOKEN_TITLE;
editing.selection_candidates[i++]=TOKEN_ARTIST;
editing.selection_candidates[i++]=TOKEN_ALBUM;
editing.selection_candidates[i++]=TOKEN_GENRE;
editing.selection_candidates[i++]=TOKEN_FILENAME;
}
editing.selectionmax=i;
}
/* returns tokencount or 0 if error */
int readtstream(char *filename,struct token *token,int max) {
int tokencount=0;
int filelen,i;
int fd;
rb->memset(token,0,max*sizeof(struct token));
fd=rb->open(filename,O_RDONLY);
if(fd>=0) {
filelen=rb->filesize(fd);
if(filelen>0) {
if(filelen % sizeof(struct token)) {
rb->splash(HZ*2,true,"Filesize not a multiple of sizeof(struct token)");
rb->close(fd);
return 0;
}
tokencount=(filelen/sizeof(struct token))-1;
for(i=0;i<tokencount&&i<max;i++) {
rb->read(fd,&token[i],sizeof(struct token));
token[i].intvalue=BE32(token[i].intvalue);
}
}
rb->close(fd);
}
return tokencount;
}
int writetstream(char *filename,struct token *token) {
int fd,i;
fd=rb->open(filename,O_WRONLY|O_CREAT|O_TRUNC);
if(fd<0)
return 0;
i=0;
while(token[i].kind!=TOKEN_EOF) {
token[i].intvalue=BE32(token[i].intvalue);
rb->write(fd,&token[i++],sizeof(struct token));
}
token[i].intvalue=BE32(token[i].intvalue);
rb->write(fd,&token[i++],sizeof(struct token));
rb->close(fd);
return i;
}
/* this is the plugin entry point */
enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
{
int button,done=0,abort=0;
char filename[100],buf[100];
/* this macro should be called as the first thing you do in the plugin.
it test that the api version and model the plugin was compiled for
matches the machine it is running on */
TEST_PLUGIN_API(api);
/* if you don't use the parameter, you can do like
this to avoid the compiler warning about it */
(void)parameter;
/* if you are using a global api pointer, don't forget to copy it!
otherwise you will get lovely "I04: IllInstr" errors... :-) */
rb = api;
/* now go ahead and have fun! */
rb->splash(HZ*2, true, "Databox! Enter filename ^.^");
databox_init();
filename[0] = '\0';
if(rb->kbd_input(filename, sizeof filename)) {
rb->splash(HZ*2, true, "Cancelled...");
return PLUGIN_OK;
}
/* add / in front if omitted */
if(filename[0]!='/') {
rb->strncpy(buf+1,filename,sizeof(filename)-1);
buf[0]='/';
rb->strcpy(filename,buf);
}
/* add extension if omitted */
if(rb->strncasecmp(filename+rb->strlen(filename)-4,".rsp",4)) {
rb->strcat(filename,".rsp");
}
editor.currentindex=editor.tokencount
=readtstream(filename,editor.token,MAX_TOKENS);
editing.currentselection=0;
editing.selecting=0;
if(editor.currentindex==0) {
editor.valid=check_tokenstream(editor.token,editor.editingmode);
check_accepted(editor.token,editor.currentindex);
editing.selecting=1;
buildchoices(acceptedmask);
rb->memset(&editing.old_token,0,sizeof(struct token));
}
do {
#ifdef HAVE_LCD_BITMAP
rb->lcd_setfont(FONT_SYSFIXED);
#endif
rb->lcd_clear_display();
printing.line=0;
printing.position=0;
displaytstream(editor.token);
editor.valid=check_tokenstream(editor.token,editor.editingmode);
check_accepted(editor.token,editor.currentindex);
#ifdef HAVE_LCD_BITMAP
rb->lcd_update();
#endif
button = rb->button_get(true);
switch (button) {
case BUTTON_LEFT:
#ifdef BUTTON_DOWN
case BUTTON_DOWN:
#endif
if (editing.selecting)
editing.currentselection = (editing.currentselection +
editing.selectionmax-1) % editing.selectionmax;
else
editor.currentindex = (editor.currentindex + editor.tokencount)
% (editor.tokencount+1);
break;
case BUTTON_RIGHT:
#ifdef BUTTON_UP
case BUTTON_UP:
#endif
if (editing.selecting)
editing.currentselection = (editing.currentselection+1)
% editing.selectionmax;
else
editor.currentindex = (editor.currentindex+1)
% (editor.tokencount+1);
break;
case DBX_SELECT:
if(editing.selecting) {
buildtoken(editing.selection_candidates[editing.currentselection],
&editor.token[editor.currentindex]);
editing.selecting=0;
if(editor.token[editor.currentindex].kind==TOKEN_EOF)
done=1;
else if(editor.currentindex==editor.tokencount) {
editor.tokencount++;
editor.currentindex++;
editor.valid=check_tokenstream(editor.token,editor.editingmode);
check_accepted(editor.token,editor.currentindex);
editing.selecting=1;
editing.currentselection=0;
buildchoices(acceptedmask);
rb->memcpy(&editing.old_token,&editor.token[editor.currentindex],
sizeof(struct token));
}
}
else {
editing.selecting=1;
editing.currentselection=0;
buildchoices(acceptedmask);
rb->memcpy(&editing.old_token,&editor.token[editor.currentindex],
sizeof(struct token));
}
break;
case DBX_STOP:
if(editing.selecting) {
rb->memcpy(&editor.token[editor.currentindex],&editing.old_token,
sizeof(struct token));
editing.selecting=0;
}
else
abort=1;
break;
default:
if (rb->default_event_handler(button) == SYS_USB_CONNECTED) {
#ifdef HAVE_LCD_BITMAP
rb->lcd_setfont(FONT_UI);
#endif
return PLUGIN_USB_CONNECTED;
}
break;
}
} while (!done&&!abort);
#ifdef HAVE_LCD_BITMAP
rb->lcd_setfont(FONT_UI);
#endif
if(abort)
return PLUGIN_OK;
if(editor.valid&&editor.tokencount>0) {
if(writetstream(filename,editor.token)) {
rb->splash(HZ*2,true,"Wrote file succesfully ^.^");
return PLUGIN_OK;
}
else {
rb->splash(HZ*2,true,"Error while writing file :(");
return PLUGIN_ERROR;
}
}
else {
rb->splash(HZ*2,true,"Search query invalid, not saving.");
return PLUGIN_OK;
}
}
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