ref: ea413b4a62be9993e4b63bf237f0b1d482f4aafa
dir: /sys/src/cmd/abaco/rows.c/
#include <u.h>
#include <libc.h>
#include <draw.h>
#include <memdraw.h>
#include <thread.h>
#include <cursor.h>
#include <mouse.h>
#include <keyboard.h>
#include <frame.h>
#include <plumb.h>
#include <html.h>
#include "dat.h"
#include "fns.h"
void
rowinit(Row *row, Rectangle r)
{
Rectangle r1;
Text *t;
draw(screen, r, display->white, nil, ZP);
row->r = r;
row->col = nil;
row->ncol = 0;
r1 = r;
r1.max.y = r1.min.y + font->height;
t = &row->tag;
textinit(t, screen, r1, font, tagcols);
t->what = Rowtag;
t->row = row;
t->w = nil;
t->col = nil;
r1.min.y = r1.max.y;
r1.max.y += Border;
draw(screen, r1, display->black, nil, ZP);
textinsert(t, 0, L"Newcol Google Exit ", 19);
textsetselect(t, t->rs.nr, t->rs.nr);
}
Column*
rowadd(Row *row, Column *c, int x)
{
Rectangle r, r1;
Column *d;
int i;
d = nil;
r = row->r;
r.min.y = row->tag.r.max.y+Border;
if(x<r.min.x && row->ncol>0){ /*steal 40% of last column by default */
d = row->col[row->ncol-1];
x = d->r.min.x + 3*Dx(d->r)/5;
}
/* look for column we'll land on */
for(i=0; i<row->ncol; i++){
d = row->col[i];
if(x < d->r.max.x)
break;
}
if(row->ncol > 0){
if(i < row->ncol)
i++; /* new column will go after d */
r = d->r;
if(Dx(r) < 100)
return nil;
draw(screen, r, display->white, nil, ZP);
r1 = r;
r1.max.x = min(x, r.max.x-50);
if(Dx(r1) < 50)
r1.max.x = r1.min.x+50;
colresize(d, r1);
r1.min.x = r1.max.x;
r1.max.x = r1.min.x+Border;
draw(screen, r1, display->black, nil, ZP);
r.min.x = r1.max.x;
}
if(c == nil){
c = emalloc(sizeof(Column));
colinit(c, r);
}else
colresize(c, r);
c->row = row;
c->tag.row = row;
row->col = realloc(row->col, (row->ncol+1)*sizeof(Column*));
memmove(row->col+i+1, row->col+i, (row->ncol-i)*sizeof(Column*));
row->col[i] = c;
row->ncol++;
clearmouse();
return c;
}
void
rowresize(Row *row, Rectangle r)
{
int i, dx, odx;
Rectangle r1, r2;
Column *c;
dx = Dx(r);
odx = Dx(row->r);
row->r = r;
r1 = r;
r1.max.y = r1.min.y + font->height;
textresize(&row->tag, screen, r1);
r1.min.y = r1.max.y;
r1.max.y += Border;
draw(screen, r1, display->black, nil, ZP);
r.min.y = r1.max.y;
r1 = r;
r1.max.x = r1.min.x;
for(i=0; i<row->ncol; i++){
c = row->col[i];
r1.min.x = r1.max.x;
if(i == row->ncol-1)
r1.max.x = r.max.x;
else
r1.max.x = r1.min.x+Dx(c->r)*dx/odx;
if(i > 0){
r2 = r1;
r2.max.x = r2.min.x+Border;
draw(screen, r2, display->black, nil, ZP);
r1.min.x = r2.max.x;
}
colresize(c, r1);
}
}
void
rowdragcol(Row *row, Column *c, int)
{
Rectangle r;
int i, b, x;
Point p, op;
Column *d;
clearmouse();
setcursor(mousectl, &boxcursor);
b = mouse->buttons;
op = mouse->xy;
while(mouse->buttons == b)
readmouse(mousectl);
setcursor(mousectl, nil);
if(mouse->buttons){
while(mouse->buttons)
readmouse(mousectl);
return;
}
for(i=0; i<row->ncol; i++)
if(row->col[i] == c)
goto Found;
error("can't find column");
Found:
if(i == 0)
return;
p = mouse->xy;
if((abs(p.x-op.x)<5 && abs(p.y-op.y)<5))
return;
if((i>0 && p.x<row->col[i-1]->r.min.x) || (i<row->ncol-1 && p.x>c->r.max.x)){
/* shuffle */
x = c->r.min.x;
rowclose(row, c, FALSE);
if(rowadd(row, c, p.x) == nil) /* whoops! */
if(rowadd(row, c, x) == nil) /* WHOOPS! */
if(rowadd(row, c, -1)==nil){ /* shit! */
rowclose(row, c, TRUE);
return;
}
colmousebut(c);
return;
}
d = row->col[i-1];
if(p.x < d->r.min.x+80+Scrollsize)
p.x = d->r.min.x+80+Scrollsize;
if(p.x > c->r.max.x-80-Scrollsize)
p.x = c->r.max.x-80-Scrollsize;
r = d->r;
r.max.x = c->r.max.x;
draw(screen, r, display->white, nil, ZP);
r.max.x = p.x;
colresize(d, r);
r = c->r;
r.min.x = p.x;
r.max.x = r.min.x;
r.max.x += Border;
draw(screen, r, display->black, nil, ZP);
r.min.x = r.max.x;
r.max.x = c->r.max.x;
colresize(c, r);
colmousebut(c);
}
void
rowclose(Row *row, Column *c, int dofree)
{
Rectangle r;
int i;
for(i=0; i<row->ncol; i++)
if(row->col[i] == c)
goto Found;
error("can't find column");
Found:
r = c->r;
if(dofree)
colcloseall(c);
memmove(row->col+i, row->col+i+1, (row->ncol-i)*sizeof(Column*));
row->ncol--;
row->col = realloc(row->col, row->ncol*sizeof(Column*));
if(row->ncol == 0){
draw(screen, r, display->white, nil, ZP);
return;
}
if(i == row->ncol){ /* extend last column right */
c = row->col[i-1];
r.min.x = c->r.min.x;
r.max.x = row->r.max.x;
}else{ /* extend next window left */
c = row->col[i];
r.max.x = c->r.max.x;
}
draw(screen, r, display->white, nil, ZP);
colresize(c, r);
}
Column*
rowwhichcol(Row *row, Point p)
{
int i;
Column *c;
for(i=0; i<row->ncol; i++){
c = row->col[i];
if(ptinrect(p, c->r))
return c;
}
return nil;
}
Text*
rowwhich(Row *row, Point p, Rune r, int key)
{
Column *c;
if(ptinrect(p, row->tag.all))
return &row->tag;
c = rowwhichcol(row, p);
if(c)
return colwhich(c, p, r, key);
return nil;
}