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egi_btn.c
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/*----------------------- egi_btn.c ------------------------------
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2 as
published by the Free Software Foundation.
egi btn type ebox functions
Midas Zhou
----------------------------------------------------------------*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "egi_color.h"
#include "egi.h"
#include "egi_btn.h"
#include "egi_debug.h"
#include "egi_symbol.h"
#include "egi_timer.h"
/*-------------------------------------
button ebox self_defined methods
--------------------------------------*/
static EGI_METHOD btnbox_method=
{
.activate=egi_btnbox_activate,
.refresh=egi_btnbox_refresh,
.decorate=NULL,
.sleep=NULL,
.free=NULL, /* to see egi_ebox_free() in egi.c */
};
static void egi_btn_touch_effect(EGI_EBOX *ebox, EGI_TOUCH_DATA *touch_data);
/*-----------------------------------------------------------------------------
Dynamically create btn_data struct
id: id number of the button
shape: shape of the button
icon: symbol page for the icon
icon_code: code of the symbol
font: symbol page for the ebox->tag font
return:
poiter OK
NULL fail
-----------------------------------------------------------------------------*/
EGI_DATA_BTN *egi_btndata_new(int id, enum egi_btn_type shape,
EGI_SYMPAGE *icon, int icon_code,
EGI_SYMPAGE *font )
{
/* malloc a egi_data_btn struct */
EGI_PDEBUG(DBG_BTN,"egi_btndata_new(): malloc data_btn ...\n");
EGI_DATA_BTN *data_btn=malloc(sizeof(EGI_DATA_BTN));
if(data_btn==NULL)
{
printf("egi_btndata_new(): fail to malloc egi_data_btn.\n");
return NULL;
}
/* clear data */
memset(data_btn,0,sizeof(EGI_DATA_BTN));
/* assign struct number */
data_btn->id=id;
data_btn->shape=shape;
data_btn->icon=icon;
data_btn->icon_code=icon_code;
data_btn->font=font;
data_btn->opaque=255; //-1; 255 100% forecolor /*, <0, No alpha effect */
data_btn->touch_effect=egi_btn_touch_effect;
//data_btn->font_color=0; /* black as default */
return data_btn;
}
/*-----------------------------------------------------------------------------
Dynamically create a new btnbox
return:
poiter OK
NULL fail
-----------------------------------------------------------------------------*/
EGI_EBOX * egi_btnbox_new( char *tag, /* or NULL to ignore */
EGI_DATA_BTN *egi_data,
bool movable,
int x0, int y0,
int width, int height, /* for frame drawing and prmcolor filled_rectangle */
int frame,
int prmcolor /* applys only if prmcolor>=0 and egi_data->icon != NULL */
)
{
EGI_EBOX *ebox;
/* 0. check egi_data */
if(egi_data==NULL)
{
printf("egi_btnbox_new(): egi_data is NULL. \n");
return NULL;
}
/* 1. create a new common ebox */
EGI_PDEBUG(DBG_BTN,"egi_btnbox_new(): start to egi_ebox_new(type_btn)...\n");
ebox=egi_ebox_new(type_btn);// egi_data NOT allocated in egi_ebox_new()!!!
if(ebox==NULL)
{
printf("egi_btnbox_new(): fail to execute egi_ebox_new(type_btn). \n");
return NULL;
}
/* 2. default method assigned in egi_ebox_new() */
/* 3. btn ebox object method */
EGI_PDEBUG(DBG_BTN,"egi_btnbox_new(): assign defined mehtod ebox->method=methd...\n");
ebox->method=btnbox_method;
/* 4. fill in elements for concept ebox */
//strncpy(ebox->tag,tag,EGI_TAG_LENGTH); /* addtion EGI_TAG_LENGTH+1 for end token here */
egi_ebox_settag(ebox,tag);
ebox->egi_data=egi_data; /* ----- assign egi data here !!!!! */
ebox->movable=movable;
ebox->x0=x0; ebox->y0=y0;
ebox->width=width; ebox->height=height;
ebox->frame=frame; ebox->prmcolor=prmcolor;
/* 5. pointer default */
ebox->bkimg=NULL;
return ebox;
}
/*-----------------------------------------------------------------------
activate a button type ebox:
1. get icon symbol information
2. malloc bkimg and store bkimg.
3. refresh the btnbox
4. set status, ebox as active, and botton assume to be released.
TODO:
1. if ebox size changes(enlarged), how to deal with bkimg!!??
Return:
0 OK
<0 fails!
------------------------------------------------------------------------*/
int egi_btnbox_activate(EGI_EBOX *ebox)
{
int icon_code;
int symheight;
int symwidth;
/* check data */
if( ebox == NULL)
{
printf("egi_btnbox_activate(): ebox is NULL!\n");
return -1;
}
EGI_DATA_BTN *data_btn=(EGI_DATA_BTN *)(ebox->egi_data);
if( data_btn == NULL)
{
printf("egi_btnbox_activate(): data_btn is NULL!\n");
return -1;
}
/* 1. confirm ebox type */
if(ebox->type != type_btn)
{
printf("egi_btnbox_activate(): Not button type ebox!\n");
return -1;
}
/* 2. activate(or wake up) a sleeping ebox
* not necessary to adjust ebox size and allocate bkimg memory for a sleeping ebox
* TODO: test, If PAGE wallpaper has changed ?????
*/
if(ebox->status==status_sleep)
{
ebox->status=status_active; /* reset status before refresh !! */
ebox->need_refresh=true;
if(egi_btnbox_refresh(ebox)!=0) /* refresh the graphic display */
{
ebox->status=status_sleep;
EGI_PDEBUG(DBG_TXT,"Fail to wake up sleeping ebox '%s'!\n",ebox->tag);
return -3;
}
EGI_PDEBUG(DBG_TXT,"Wake up a sleeping '%s' ebox.\n",ebox->tag);
return 0;
}
/* only if it has an icon, get symheight and symwidth */
if(data_btn->icon != NULL)
{
icon_code=( (data_btn->icon_code)<<16 )>>16; /* as SYM_SUB_COLOR+CODE */
/* check icon_code */
if(icon_code<0 || icon_code > data_btn->icon->maxnum) {
printf("%s: icon code is invalid! reset icon to NULL \n", __func__);
data_btn->icon=NULL;
}
else {
//int bkcolor=data_btn->icon->bkcolor;
symheight=data_btn->icon->symheight;
symwidth=data_btn->icon->symwidth[icon_code];
/* use bigger size for ebox height and width !!! */
if(symheight > ebox->height || symwidth > ebox->width )
{
ebox->height=symheight;
ebox->width=symwidth;
}
}
}
/* else if no icon, use prime shape and size */
/* origin(left top), for btn H&W x0,y0 is same as ebox */
int x0=ebox->x0;
int y0=ebox->y0;
/* 2. verify btn data if necessary. --No need here*/
if( ebox->height==0 || ebox->width==0)
{
printf("egi_btnbox_activate(): height or width is 0 in ebox '%s'!\n",ebox->tag);
return -1;
}
if(ebox->movable) /* only if ebox is movale , TODO: or prmcolor<0 */
{
/* 3. malloc bkimg for the icon, not ebox, so use symwidth and symheight */
if(egi_alloc_bkimg(ebox, ebox->height, ebox->width)==NULL)
{
printf("egi_btnbox_activate(): fail to egi_alloc_bkimg()!\n");
return -2;
}
/* 4. update bkimg box */
ebox->bkbox.startxy.x=x0;
ebox->bkbox.startxy.y=y0;
ebox->bkbox.endxy.x=x0+ebox->width-1;
ebox->bkbox.endxy.y=y0+ebox->height-1;
#if 0 /* DEBUG */
EGI_PDEBUG(DBG_BTN," button activating... fb_cpyto_buf: startxy(%d,%d) endxy(%d,%d)\n",ebox->bkbox.startxy.x,ebox->bkbox.startxy.y,
ebox->bkbox.endxy.x, ebox->bkbox.endxy.y);
#endif
/* 5. store bk image which will be restored when this ebox position/size changes
* when bkbox is NOT totally out of the FB BOX
*/
if( !box_outbox(&ebox->bkbox, &gv_fb_box) ) {
if( fb_cpyto_buf(&gv_fb_dev, ebox->bkbox.startxy.x, ebox->bkbox.startxy.y,
ebox->bkbox.endxy.x, ebox->bkbox.endxy.y, ebox->bkimg) <0) {
return -3;
}
ebox->bkimg_valid=true;
}
else
ebox->bkimg_valid=false;
} /* end of movable codes */
/* 6. set button status */
data_btn->status=released_hold;
/*** In case _hide() is called just before _activate()!
* Do not display for a hidden ebox */
if( ebox->status==status_hidden )
goto BTN_ACTIVATE_END;
/* Set ebox status */
ebox->status=status_active; /* If not, you can not refresh */
/* 7. set need_refresh */
ebox->need_refresh=true;
/* 8. refresh btn ebox */
if( egi_btnbox_refresh(ebox) != 0)
return -4;
BTN_ACTIVATE_END:
EGI_PDEBUG(DBG_BTN,"egi_btnbox_activate(): a '%s' ebox is activated.\n",ebox->tag);
return 0;
}
/*-----------------------------------------------------------------------
refresh a button type ebox:
1.refresh button ebox according to updated parameters:
--- position x0,y0, offx,offy
--- symbol page, symbol code ...etc.
... ...
2. restore bkimg and store bkimg.
3. drawing the icon
4. take actions according to btn_status (released, pressed).
TODO:
1. if ebox size changes(enlarged), how to deal with bkimg!!??
Return:
1 need_refresh=false
0 OK
<0 fails!
------------------------------------------------------------------------*/
int egi_btnbox_refresh(EGI_EBOX *ebox)
{
int i;
int bkcolor=SYM_FONT_DEFAULT_TRANSPCOLOR;
int symheight;
int symwidth;
int icon_code=0; /* 0, first ICON */;
uint16_t sym_subcolor=0; /* symbol substitute color, 0 as no subcolor */
/* check data */
if( ebox == NULL)
{
printf("egi_btnbox_refresh(): ebox is NULL!\n");
return -1;
}
/* confirm ebox type */
if(ebox->type != type_btn)
{
printf("egi_btnbox_refresh(): Not button type ebox!\n");
return -1;
}
/* check the ebox status */
if( ebox->status != status_active && ebox->status != status_hidden )
{
EGI_PDEBUG(DBG_TXT,"Ebox '%s' is not active/hidden! refresh action is ignored! \n",ebox->tag);
return -2;
}
/* only if need_refresh is true */
if(!ebox->need_refresh)
{
EGI_PDEBUG(DBG_BTN,"egi_btnbox_refresh(): need_refresh=false, abort refresh.\n");
return 1;
}
if(ebox->movable && ebox->bkimg_valid) /* only if ebox is movable and bkimg valid */
{
/* 2. restore bk image use old bkbox data, before refresh */
#if 0 /* DEBUG */
EGI_PDEBUG(DBG_BTN,"button refresh... fb_cpyfrom_buf: startxy(%d,%d) endxy(%d,%d)\n",ebox->bkbox.startxy.x,ebox->bkbox.startxy.y,
ebox->bkbox.endxy.x,ebox->bkbox.endxy.y);
#endif
/* Check wheather PAGE bkimg changed or not,
* If changed, do NOT copy old ebox->bkimg to FB, as PAGE bkimg is already the new one!
*/
if( ebox->container==NULL || ebox->container->page_update !=true )
{
if( fb_cpyfrom_buf(&gv_fb_dev, ebox->bkbox.startxy.x, ebox->bkbox.startxy.y,
ebox->bkbox.endxy.x, ebox->bkbox.endxy.y, ebox->bkimg) < 0)
{
printf("%s: Fail to call fb_cpyfrom_buf!\n", __func__);
return -3;
}
}
} /* end of movable codes before update data */
/* 3. ---------- get updated data ------- */
EGI_DATA_BTN *data_btn=(EGI_DATA_BTN *)(ebox->egi_data);
if( data_btn == NULL)
{
printf("%s: data_btn is NULL!\n", __func__);
return -1;
}
/* only if it has an icon */
if(data_btn->icon != NULL)
{
icon_code=( (data_btn->icon_code)<<16 )>>16; /* as SYM_SUB_COLOR + CODE */
/* check icon_code */
if(icon_code<0 || icon_code > data_btn->icon->maxnum) {
printf("%s: icon code is invalid! reset icon to NULL \n", __func__);
data_btn->icon=NULL;
}
else {
sym_subcolor = (data_btn->icon_code)>>16;
bkcolor=data_btn->icon->bkcolor;
symheight=data_btn->icon->symheight;
symwidth=data_btn->icon->symwidth[icon_code];
/* use bigger size for ebox height and width !!! */
if(symheight > ebox->height || symwidth > ebox->width )
{
ebox->height=symheight;
ebox->width=symwidth;
}
}
}
/* else if no icon, use prime shape */
/* check ebox size */
if( ebox->height==0 || ebox->width==0)
{
printf("egi_btnbox_refresh(): height or width is 0 in ebox '%s'!\n",ebox->tag);
return -1;
}
/* origin(left top) for btn H&W x0,y0 is same as ebox */
int x0=ebox->x0;
int y0=ebox->y0;
int height=ebox->height;
int width=ebox->width;
if(ebox->movable) /* only if ebox is movale, TODO: or prmcolor < 0 */
{
/* ---- 4. redefine bkimg box range, in case it changes
* check ebox height and font lines in case it changes, then adjust the height
* updata bkimg->bkbox according
*/
ebox->bkbox.startxy.x=x0;
ebox->bkbox.startxy.y=y0;
ebox->bkbox.endxy.x=x0+ebox->width-1;
ebox->bkbox.endxy.y=y0+ebox->height-1;
#if 1 /* DEBUG */
EGI_PDEBUG(DBG_BTN,"egi_btnbox_refresh(): fb_cpyto_buf: startxy(%d,%d) endxy(%d,%d)\n",ebox->bkbox.startxy.x,ebox->bkbox.startxy.y,
ebox->bkbox.endxy.x,ebox->bkbox.endxy.y);
#endif
/* ---- 5. Store bk image which will be restored when you refresh it later,
* in case ebox position/size changes.
*
* Refresh only if bkbox is NOT completely out of FB box! */
if(!box_outbox(&ebox->bkbox, &gv_fb_box)) {
if(fb_cpyto_buf(&gv_fb_dev, ebox->bkbox.startxy.x, ebox->bkbox.startxy.y,
ebox->bkbox.endxy.x, ebox->bkbox.endxy.y, ebox->bkimg) < 0)
{
printf("egi_btnbox_refresh(): fb_cpyto_buf() fails.\n");
return -4;
}
ebox->bkimg_valid=true;
}
else {
printf("'%s' bkbox out of gv_fb_box!\n",ebox->tag);
ebox->bkimg_valid=false;
}
} /* end of movable codes */
/* If status is hidden, then skip displaying codes */
if( ebox->status == status_hidden )
goto BTN_REFRESH_END;
/* ------------> DISPLAYING CODES STARTS <---------- */
/* --- 6.1 Draw shape --- */
if(ebox->prmcolor >= 0 && data_btn->icon == NULL )
{
/* set color */
fbset_color(ebox->prmcolor);
switch(data_btn->shape)
{
case btnType_square:
draw_filled_rect(&gv_fb_dev,x0,y0,x0+width-1,y0+height-1);
#if 0 /* --- draw frame --- */
if(ebox->frame >= 0) /* 0: simple type */
{
fbset_color(ebox->tag_color); /* use ebox->tag_color */
draw_rect(&gv_fb_dev,x0,y0,x0+width-1,y0+height-1);
}
#endif
break;
case btnType_circle:
draw_filled_circle(&gv_fb_dev, x0+width/2, y0+height/2,
width>height?height/2:width/2);
#if 0 /* --- draw frame --- */
if(ebox->frame == 0) /* 0: simple type */
{
fbset_color(ebox->tag_color); /* use ebox->tag_color */
draw_circle(&gv_fb_dev, x0+width/2, y0+height/2,
width>height?height/2:width/2);
}
else if(ebox->frame > 0) /* >0: width=3 circle */
{
fbset_color(ebox->tag_color); /* use ebox->tag_color */
draw_filled_annulus( &gv_fb_dev, x0+width/2, y0+height/2,
width>height ? (height/2-1):(width/2-1), 3);
}
#endif
break;
default:
printf("egi_btnbox_refresh(): shape not defined! \n");
break;
}
}
/* 6.2 Draw simple outline frames */
if( ebox->prmcolor >0 && ebox->frame >= 0 && ebox->frame < 100 ) /* >=100 for frame_img */
{
fbset_color(ebox->prmcolor);
switch(data_btn->shape)
{
case btnType_square:
if(ebox->frame >= 0) /* 0: simple type */
draw_rect(&gv_fb_dev,x0,y0,x0+width-1,y0+height-1);
break;
case btnType_circle:
if(ebox->frame == 0) /* 0: simple type */
{
draw_circle(&gv_fb_dev, x0+width/2, y0+height/2,
width>height?height/2:width/2);
}
else if(ebox->frame > 0) /* >0: width=3 circle */
{
draw_filled_annulus( &gv_fb_dev, x0+width/2, y0+height/2,
width>height ? (height/2-1):(width/2-1), 3);
}
break;
default:
break;
}
}
/* 7. draw the button symbol if it has an icon */
if(data_btn->icon != NULL)
{
/* if icon_code = SUB_COLOR + CODE */
if( sym_subcolor > 0 ) /* sym_subcolor may be 0xF.., so it should be unsigned ..*/
{
/* extract SUB_COLOR and CODE for symbol */
//printf("egi_btnbox_refresh(): icon_code=SYM_SUB_COLOR + CODE. \n");
symbol_writeFB( &gv_fb_dev,data_btn->icon, sym_subcolor, bkcolor,
x0, y0, icon_code, data_btn->opaque );
}
/* else icon_code = CODE only, sym_subcolor==0 BLACk is NOT applicable !!! */
else {
symbol_writeFB( &gv_fb_dev,data_btn->icon, SYM_NOSUB_COLOR, bkcolor,
x0, y0, icon_code, data_btn->opaque );
}
}
/* 8. decorate functoins */
if(ebox->decorate)
ebox->decorate(ebox);
/* 9. draw ebox->tag on the button if necessary */
/* 9.1 check whether sympg is set */
if(data_btn->font == NULL) {
/* do nothing */
printf("%s: ebox '%s' data_btn->font is NULL, fail to put tag on button.\n",__func__, ebox->tag);
}
else if(data_btn->showtag==true)
{
/* 9.2 get length of tag */
int taglen=0;
taglen=strlen(ebox->tag);
// while( ebox->tag[taglen] )
// {
// taglen++;
// }
//printf("egi_btnbox_refresh(): length of ebox->tag:'%s' is %d (chars).\n", ebox->tag, taglen);
/* only if tag has content */
if(taglen>0)
{
int strwidth=0; /* total number of pixels of all char in ebox->tag */
// int symheight=data_btn->icon->symheight; already above assigned.
int shx=0, shy=0; /* shift x,y to fit the tag just in middle of ebox shape */
/* WARNIGN: Do not mess up with sympg icon! sympy font is right here! */
int *wdata=data_btn->font->symwidth; /*symwidth data */
int fontheight=data_btn->font->symheight;
for(i=0;i<taglen;i++)
{
/* only if in code range */
if( (ebox->tag[i]) <= (data_btn->font->maxnum) )
strwidth += wdata[ (unsigned int)ebox->tag[i] ];
}
shx = (ebox->width - strwidth)/2;
shx = shx>0 ? shx:0;
shy = (ebox->height - fontheight)/2;
shy = shy>0 ? shy:0;
/*
use following COLOR:
#define SYM_NOSUB_COLOR -1 --- no substitute color defined for a symbol or font
#define SYM_NOTRANSP_COLOR -1 --- no transparent color defined for a symbol or font
48void symbol_string_writeFB(FBDEV *fb_dev, const EGI_SYMPAGE *sym_page, \
int fontcolor, int transpcolor, int x0, int y0, const char* str)
*/
//symbol_string_writeFB(&gv_fb_dev, data_btn->font, SYM_NOSUB_COLOR, 1,
//symbol_string_writeFB(&gv_fb_dev, data_btn->font, data_btn->font_color, 1,
/* !!!! tag_color shall NOT be the same as symbol bkcolor, OR it will NOT display */
symbol_string_writeFB(&gv_fb_dev, data_btn->font, ebox->tag_color, 1,
ebox->x0+shx, ebox->y0+shy, ebox->tag, -1);
} /* endif: taglen>0 */
}/* endif: data_btn->font != NULL */
BTN_REFRESH_END:
/* 10. finally, reset need_refresh */
ebox->need_refresh=false;
return 0;
}
/*-----------------------------------------------------------------------
Refresh a group of button type ebox with three for() sessions, the purpose is
to restore/save bkimgs together and avoid interfering with each other.
FOR() PART-1: restor original bkimg to fb.
FOR() PART-2: save bkimg for updated position.
FOR() PART-3: refresh all other elements for each ebox.
@ebox_group: a group of ebox
@num: number eboxes int the group
Return:
1 need_refresh=false
0 OK
<0 fails!
------------------------------------------------------------------------*/
void egi_btngroup_refresh(EGI_EBOX **ebox_group, int num)
{
int n;
int i;
int bkcolor=SYM_FONT_DEFAULT_TRANSPCOLOR;
int symheight;
int symwidth;
int icon_code=0; /* 0, first ICON */;
uint16_t sym_subcolor=0; /* symbol substitute color, 0 as no subcolor */
EGI_EBOX *ebox;
EGI_DATA_BTN *data_btn;
int x0,y0;
int height,width;
/* FOR() PART-1: restor original bkimg to fb */
for(n=0;n<num;n++) {
ebox=ebox_group[n];
/* check data */
if( ebox == NULL)
{
printf("egi_btngroup_refresh(): ebox_group[%d] is NULL!\n",n);
continue; //return -1;
}
/* confirm ebox type */
if(ebox->type != type_btn)
{
printf("egi_btngroup_refresh(): ebox_group[%d] is Not a button type ebox!\n",n);
continue; //return -1;
}
/* check the ebox status */
if( ebox->status != status_active )
{
EGI_PDEBUG(DBG_BTN,"ebox '%s' is not active! refresh action is ignored! \n",ebox->tag);
continue; //return -2;
}
/* only if need_refresh is true */
if(!ebox->need_refresh)
{
EGI_PDEBUG(DBG_BTN,"egi_btngroup_refresh(): ebox '%s' need_refresh=false, abort refresh.\n",
ebox->tag);
continue; //return 1;
}
if(ebox->movable && ebox->bkimg_valid) /* only if ebox is movale and bkimg is valid*/
{
/* 2. restore bk image use old bkbox data, before refresh */
#if 0 /* DEBUG */
EGI_PDEBUG(DBG_BTN,"button refresh... fb_cpyfrom_buf: startxy(%d,%d) endxy(%d,%d)\n",ebox->bkbox.startxy.x,ebox->bkbox.startxy.y,
ebox->bkbox.endxy.x,ebox->bkbox.endxy.y);
#endif
if( fb_cpyfrom_buf(&gv_fb_dev, ebox->bkbox.startxy.x, ebox->bkbox.startxy.y,
ebox->bkbox.endxy.x, ebox->bkbox.endxy.y, ebox->bkimg) < 0)
{
printf("egi_btngroup_refresh(): fail to cpyfrom buf for ebox '%s'.\n",ebox->tag);
continue; //return -3;
}
} /* end of movable codes */
} /* end FOR() PART-1 */
/* FOR() PART-2: save bkimg for updated position */
for(n=0;n<num;n++) {
ebox=ebox_group[n];
/* 3. get updated data */
data_btn=(EGI_DATA_BTN *)(ebox->egi_data);
if( data_btn == NULL)
{
printf("egi_btngroup_refresh(): data_btn is NULL!\n");
continue; //return -1;
}
/* only if it has an icon */
if(data_btn->icon != NULL)
{
icon_code=( (data_btn->icon_code)<<16 )>>16; /* as SYM_SUB_COLOR + CODE */
// sym_subcolor = (data_btn->icon_code)>>16;
// bkcolor=data_btn->icon->bkcolor;
symheight=data_btn->icon->symheight;
symwidth=data_btn->icon->symwidth[icon_code];
/* use bigger size for ebox height and width !!! */
if(symheight > ebox->height || symwidth > ebox->width )
{
ebox->height=symheight;
ebox->width=symwidth;
}
}
/* else if no icon, use prime shape */
/* check ebox size */
if( ebox->height==0 || ebox->width==0)
{
printf("egi_btngroup_refresh(): height or width is 0 in ebox '%s'!\n",ebox->tag);
continue; //return -1;
}
/* origin(left top) for btn H&W x0,y0 is same as ebox */
x0=ebox->x0;
y0=ebox->y0;
if(ebox->movable) /* only if ebox is movale */
{
/* ---- 4. redefine bkimg box range, in case it changes */
/* check ebox height and font lines in case it changes, then adjust the height */
/* updata bkimg->bkbox according */
ebox->bkbox.startxy.x=x0;
ebox->bkbox.startxy.y=y0;
ebox->bkbox.endxy.x=x0+ebox->width-1;
ebox->bkbox.endxy.y=y0+ebox->height-1;
#if 1 /* DEBUG */
EGI_PDEBUG(DBG_BTN,"fb_cpyto_buf: startxy(%d,%d) endxy(%d,%d)\n",ebox->bkbox.startxy.x,ebox->bkbox.startxy.y,
ebox->bkbox.endxy.x,ebox->bkbox.endxy.y);
#endif
/* ---- 5. store bk image which will be restored when you refresh it later,
* ebox position/size changes */
if(!box_outbox(&ebox->bkbox, &gv_fb_box)) { /* If bkbox NOT totally out of FB box */
if(fb_cpyto_buf(&gv_fb_dev, ebox->bkbox.startxy.x, ebox->bkbox.startxy.y,
ebox->bkbox.endxy.x, ebox->bkbox.endxy.y, ebox->bkimg) < 0)
{
printf("egi_btngroup_refresh(): fb_cpyto_buf() fails.\n");
continue; //return -4;
}
ebox->bkimg_valid=true;
}
else /* if bkbox is outof FB box */
ebox->bkimg_valid=false;
} /* end of movable codes */
} /* end FOR() PART -2 */
/* FOR() PART-3: refresh all other elements for each ebox */
for(n=0;n<num;n++) {
ebox=ebox_group[n];
/* origin(left top) for btn H&W x0,y0 is same as ebox */
x0=ebox->x0;
y0=ebox->y0;
/* get updated data */
data_btn=(EGI_DATA_BTN *)(ebox->egi_data);
if( data_btn == NULL)
{
printf("egi_btngroup_refresh(): data_btn is NULL!\n");
continue; //return -1;
}
if(data_btn->icon != NULL)
{
icon_code=( (data_btn->icon_code)<<16 )>>16; /* as SYM_SUB_COLOR + CODE */
sym_subcolor = (data_btn->icon_code)>>16;
bkcolor=data_btn->icon->bkcolor;
// symheight=data_btn->icon->symheight;
// symwidth=data_btn->icon->symwidth[icon_code];
}
/* ---- 6. set color and drawing shape ----- */
if(ebox->prmcolor >= 0 && data_btn->icon == NULL )
{
height=ebox->height;
width=ebox->width;
/* set color */
fbset_color(ebox->prmcolor);
switch(data_btn->shape)
{
case btnType_square:
draw_filled_rect(&gv_fb_dev,x0,y0,x0+width-1,y0+height-1);
/* --- draw frame --- */
if(ebox->frame >= 0) /* 0: simple type */
{
fbset_color(ebox->tag_color); /* use ebox->tag_color */
draw_rect(&gv_fb_dev,x0,y0,x0+width-1,y0+height-1);
}
break;
case btnType_circle:
draw_filled_circle(&gv_fb_dev, x0+width/2, y0+height/2,
width>height?height/2:width/2);
/* --- draw frame --- */
if(ebox->frame == 0) /* 0: simple type */
{
fbset_color(ebox->tag_color); /* use ebox->tag_color */
draw_circle(&gv_fb_dev, x0+width/2, y0+height/2,
width>height?height/2:width/2);
}
else if(ebox->frame > 0) /* >0: width=3 circle */
{
fbset_color(ebox->tag_color); /* use ebox->tag_color */
draw_filled_annulus( &gv_fb_dev, x0+width/2, y0+height/2,
width>height ? (height/2-1):(width/2-1), 3);
}
break;
default:
printf("egi_btngroup_refresh(): shape not defined! \n");
break;
}
}
/* 7. draw the button symbol if it has an icon */
if(data_btn->icon != NULL)
{
/* if icon_code = SUB_COLOR + CODE */
if( sym_subcolor > 0 ) /* sym_subcolor may be 0xF.., so it should be unsigned ..*/
{
/* extract SUB_COLOR and CODE for symbol */
//printf("egi_btnbox_refresh(): icon_code=SYM_SUB_COLOR + CODE. \n");
symbol_writeFB( &gv_fb_dev,data_btn->icon, sym_subcolor, bkcolor,
x0, y0, icon_code, data_btn->opaque );
}
/* else icon_code = CODE only, sym_subcolor==0 BLACk is NOT applicable !!! */
else {
symbol_writeFB( &gv_fb_dev,data_btn->icon, SYM_NOSUB_COLOR, bkcolor,
x0, y0, icon_code, data_btn->opaque );
}
}
/* 8. decorate functoins */
if(ebox->decorate)
ebox->decorate(ebox);
/* 9. draw ebox->tag on the button if necessary */
/* 9.1 check whether sympg is set */
if(data_btn->font == NULL) {
//printf("egi_btnbox_refresh(): data_btn->font is NULL, fail to put tag on button.\n");
}
else if(data_btn->showtag==true)
{
/* 9.2 get length of tag */
int taglen=0;
while( ebox->tag[taglen] )
{
taglen++;
}
//printf("egi_btnbox_refresh(): length of ebox->tag:'%s' is %d (chars).\n", ebox->tag, taglen);
/* only if tag has content */
if(taglen>0)
{
#if 0
int strwidth=0; /* total number of pixels of all char in ebox->tag */
// int symheight=data_btn->icon->symheight; already above assigned.
/* WARNIGN: Do not mess up with sympg icon! sympy font is right here! */
int *wdata=data_btn->font->symwidth; /*symwidth data */
for(i=0;i<taglen;i++)
{
/* only if in code range */
if( (ebox->tag[i]) <= (data_btn->font->maxnum) )
strwidth += wdata[ (unsigned int)ebox->tag[i] ];
}
#endif
int strwidth=symbol_string_pixlen(ebox->tag, data_btn->font);
int shx=0, shy=0; /* shift x,y to fit the tag just in middle of ebox shape */
int fontheight=data_btn->font->symheight;
shx = (ebox->width - strwidth)/2;
shx = shx>0 ? shx:0;
shy = (ebox->height - fontheight)/2;
shy = shy>0 ? shy:0;
/*
use following COLOR:
#define SYM_NOSUB_COLOR -1 --- no substitute color defined for a symbol or font
#define SYM_NOTRANSP_COLOR -1 --- no transparent color defined for a symbol or font
48void symbol_string_writeFB(FBDEV *fb_dev, const EGI_SYMPAGE *sym_page, \
int fontcolor, int transpcolor, int x0, int y0, const char* str)
*/
//symbol_string_writeFB(&gv_fb_dev, data_btn->font, SYM_NOSUB_COLOR, 1,
//symbol_string_writeFB(&gv_fb_dev, data_btn->font, data_btn->font_color, 1,
symbol_string_writeFB(&gv_fb_dev, data_btn->font, ebox->tag_color, 1,
ebox->x0+shx, ebox->y0+shy, ebox->tag, -1);
} /* endif: taglen>0 */
}/* endif: data_btn->font != NULL */
/* 10. finally, reset need_refresh */
ebox->need_refresh=false;
} /* end FOR() PART -3 */
}
/*----------------------------------------
Put a button ebox to disappear from FB.
1. Restore bkimg to erase image of itself.
2. Reset status
Return
0 OK
<0 fail
-----------------------------------------*/
int egi_btnbox_hide(EGI_EBOX *ebox)
{
if( ebox==NULL ) {
printf("%s: ebox is NULL or type error, fail to make it hidden.\n",__func__);
return -1;
}
if( ebox->movable && ebox->bkimg !=NULL ) { /* only for movable ebox, it holds bkimg. */
/* restore bkimg */
if(fb_cpyfrom_buf(&gv_fb_dev, ebox->bkbox.startxy.x, ebox->bkbox.startxy.y,
ebox->bkbox.endxy.x, ebox->bkbox.endxy.y, ebox->bkimg) <0 )
{
printf("%s: Fail to restor bkimg for a '%s' ebox.\n", __func__, ebox->tag);
return -1;
}
}
/* reset status */
ebox->status=status_hidden;
EGI_PDEBUG(DBG_BTN,"A '%s' ebox is put to hide.\n",ebox->tag);
return 0;
}
/*----------------------------------------
Bring a hidden ebox back to active by set
status to status_active.
Return
0 OK
<0 fail
-----------------------------------------*/
int egi_btnbox_unhide(EGI_EBOX *ebox)
{
if(ebox==NULL) {
printf("%s: ebox is NULL, fail to make it hidden.\n",__func__);
return -1;
}
/* reset status */
ebox->status=status_active;
EGI_PDEBUG(DBG_TXT,"Unhide a '%s' ebox and set status as active.\n",ebox->tag);
return 0;
}
/*-------------------------------------------------
release struct egi_btn_data
--------------------------------------------------*/
void egi_free_data_btn(EGI_DATA_BTN *data_btn)