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/*
* ion/mod_statusbar/draw.c
*
* Copyright (c) Tuomo Valkonen 1999-2007.
*
* See the included file LICENSE for details.
*/
#include <string.h>
#include <ioncore/common.h>
#include <ioncore/mplex.h>
#include "statusbar.h"
#include "draw.h"
static void calc_elems_x(WRectangle *g, WSBElem *elems, int nelems)
{
int x=g->x;
while(nelems>0){
elems->x=x;
if(elems->type==WSBELEM_STRETCH)
x+=elems->text_w+elems->stretch;
else
x+=elems->text_w;
nelems--;
elems++;
}
}
static void calc_elems_x_ra(WRectangle *g, WSBElem *elems, int nelems)
{
int x=g->x+g->w;
elems+=nelems-1;
while(nelems>0){
if(elems->type==WSBELEM_STRETCH)
x-=elems->text_w+elems->stretch;
else
x-=elems->text_w;
elems->x=x;
elems--;
nelems--;
}
}
void statusbar_calculate_xs(WStatusBar *sb)
{
WRectangle g;
GrBorderWidths bdw;
WMPlex *mgr=NULL;
bool right_align=FALSE;
int nleft=0, nright=0;
if(sb->brush==NULL || sb->elems==NULL)
return;
grbrush_get_border_widths(sb->brush, &bdw);
g.x=0;
g.y=0;
g.w=REGION_GEOM(sb).w;
g.h=REGION_GEOM(sb).h;
mgr=OBJ_CAST(REGION_PARENT(sb), WMPlex);
if(mgr!=NULL){
WRegion *std=NULL;
WMPlexSTDispInfo din;
din.pos=MPLEX_STDISP_TL;
mplex_get_stdisp(mgr, &std, &din);
if(std==(WRegion*)sb)
right_align=(din.pos==MPLEX_STDISP_TR || din.pos==MPLEX_STDISP_BR);
}
g.x+=bdw.left;
g.w-=bdw.left+bdw.right;
g.y+=bdw.top;
g.h-=bdw.top+bdw.bottom;
if(sb->filleridx>=0){
nleft=sb->filleridx;
nright=sb->nelems-(sb->filleridx+1);
}else if(!right_align){
nleft=sb->nelems;
nright=0;
}else{
nleft=0;
nright=sb->nelems;
}
if(nleft>0)
calc_elems_x(&g, sb->elems, nleft);
if(nright>0)
calc_elems_x_ra(&g, sb->elems+sb->nelems-nright, nright);
}
static void draw_elems(GrBrush *brush, WRectangle *g, int ty,
WSBElem *elems, int nelems, bool needfill)
{
int prevx=g->x;
int maxx=g->x+g->w;
while(nelems>0){
if(prevx<elems->x){
g->x=prevx;
g->w=elems->x-prevx;
grbrush_clear_area(brush, g);
}
if(elems->type==WSBELEM_TEXT || elems->type==WSBELEM_METER){
const char *s=(elems->text!=NULL
? elems->text
: STATUSBAR_NX_STR);
grbrush_set_attr(brush, elems->attr);
grbrush_set_attr(brush, elems->meter);
grbrush_draw_string(brush, elems->x, ty, s, strlen(s), needfill);
grbrush_unset_attr(brush, elems->meter);
grbrush_unset_attr(brush, elems->attr);
prevx=elems->x+elems->text_w;
}
elems++;
nelems--;
}
if(prevx<maxx){
g->x=prevx;
g->w=maxx-prevx;
grbrush_clear_area(brush, g);
}
}
void statusbar_draw(WStatusBar *sb, bool complete)
{
WRectangle g;
GrBorderWidths bdw;
GrFontExtents fnte;
int ty;
if(sb->brush==NULL)
return;
grbrush_get_border_widths(sb->brush, &bdw);
grbrush_get_font_extents(sb->brush, &fnte);
g.x=0;
g.y=0;
g.w=REGION_GEOM(sb).w;
g.h=REGION_GEOM(sb).h;
grbrush_begin(sb->brush, &g, (complete ? 0 : GRBRUSH_NO_CLEAR_OK));
grbrush_draw_border(sb->brush, &g);
if(sb->elems==NULL)
return;
g.x+=bdw.left;
g.w-=bdw.left+bdw.right;
g.y+=bdw.top;
g.h-=bdw.top+bdw.bottom;
ty=(g.y+fnte.baseline+(g.h-fnte.max_height)/2);
draw_elems(sb->brush, &g, ty, sb->elems, sb->nelems, TRUE);
grbrush_end(sb->brush);
}
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