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/*
* (C)opyright 2005 Jonas WUSTRACK <doez at supinfo dot com>
* (C)opyright MMIV-MMV Anselm R. Garbe <garbeam at gmail dot com>
* See LICENSE file for license details.
*/
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "wmiiwm.h"
#include "layout.h"
#include <cext.h>
static void arrange_vsplit(Page * p);
static void init_vsplit(Page * p);
static void deinit_vsplit(Page * p);
static void manage_vsplit(Frame * f);
static void unmanage_vsplit(Frame * f);
static void resize_vsplit(Frame * f, XRectangle * new, XPoint * pt);
static Frame *select_vsplit(Frame * f, char *what);
static Layout vsplit =
{"vsplit", init_vsplit, deinit_vsplit, arrange_vsplit, manage_vsplit,
unmanage_vsplit, resize_vsplit, select_vsplit
};
void
init_layout_vsplit()
{
layouts =
(Layout **) attach_item_end((void **) layouts, &vsplit,
sizeof(Layout *));
}
static void
get_base_geometry_vsplit(void **items, unsigned int *size,
unsigned int *cols, unsigned int *rows)
{
/* float sq, dummy; */
*size = count_items((void **) items);
*cols = 1;
*rows = *size;
}
static void
arrange_vsplit(Page * p)
{
unsigned int i, ic, tw, th, rows, cols;
if (!p->managed)
return;
get_base_geometry_vsplit((void **) p->managed, &ic, &cols, &rows);
th = p->managed_rect.height / rows;
tw = p->managed_rect.width;
for (i = 0; i < rows; i++) {
if (p->managed[i]) {
XRectangle *r = (XRectangle *) p->managed[i]->aux;
r->x = p->managed_rect.x;
r->y = p->managed_rect.y + i * th;
r->width = tw;
r->height = th;
p->managed[i]->managed_rect = *r;
resize_frame(p->managed[i], &p->managed[i]->managed_rect, 0,
1);
}
}
}
static void
init_vsplit(Page * p)
{
int i;
for (i = 0; p->managed && p->managed[i]; i++)
p->managed[i]->aux = emalloc(sizeof(XRectangle));
}
static void
deinit_vsplit(Page * p)
{
int i;
for (i = 0; p->managed && p->managed[i]; i++) {
if (p->managed[i]->aux) {
free(p->managed[i]->aux);
p->managed[i]->aux = 0;
}
}
}
static void
manage_vsplit(Frame * f)
{
f->aux = emalloc(sizeof(XRectangle));
if (f->page)
arrange_vsplit(f->page);
}
static void
unmanage_vsplit(Frame * f)
{
if (f->aux) {
free(f->aux);
f->aux = 0;
}
if (f->page)
arrange_vsplit(f->page);
}
#define THRESHOLD 30
static void
drop_resize(Frame * f, XRectangle * new)
{
int diff;
unsigned int i, rows, cols, num, idx;
Page *p = f->page;
XRectangle *r;
if (!p || !p->managed)
return;
get_base_geometry_vsplit((void **) p->managed, &i, &cols, &rows);
num = index_item((void **) p->managed, f);
/* vertical resize */
if (f->managed_rect.y == new->y
&& f->managed_rect.height != new->height) {
/* south direction resize */
if (num == rows - 1)
return;
if (p->managed[num + 1]
&& (new->y + new->height > p->managed[num + 1]->managed_rect.y
+ p->managed[num + 1]->managed_rect.height - THRESHOLD))
return;
diff = new->height - ((XRectangle *) f->aux)->height;
idx = num;
if (p->managed[idx]) {
r = (XRectangle *) p->managed[idx]->aux;
r->height = new->height;
p->managed[idx]->managed_rect = *r;
resize_frame(p->managed[idx], &p->managed[idx]->managed_rect,
0, 1);
}
idx = num + 1;
if (p->managed[idx]) {
r = (XRectangle *) p->managed[idx]->aux;
r->y += diff;
r->height -= diff;
p->managed[idx]->managed_rect = *r;
resize_frame(p->managed[idx], &p->managed[idx]->managed_rect,
0, 1);
}
} else if (f->managed_rect.y != new->y) {
/* north direction resize */
if (!num)
return;
if (new->y < p->managed[num - 1]->managed_rect.y + THRESHOLD)
return;
diff = new->height - ((XRectangle *) f->aux)->height;
idx = num;
if (p->managed[idx]) {
r = (XRectangle *) p->managed[idx]->aux;
r->y -= diff;
r->height += diff;
p->managed[idx]->managed_rect = *r;
resize_frame(p->managed[idx], &p->managed[idx]->managed_rect,
0, 1);
}
idx = num - 1;
if (p->managed[idx]) {
r = (XRectangle *) p->managed[idx]->aux;
r->height -= diff;
p->managed[idx]->managed_rect = *r;
resize_frame(p->managed[idx], &p->managed[idx]->managed_rect,
0, 1);
}
}
}
static void
resize_vsplit(Frame * f, XRectangle * new, XPoint * pt)
{
if ((f->managed_rect.width == new->width)
&& (f->managed_rect.height == new->height))
drop_move(f, new, pt);
else
drop_resize(f, new);
}
static Frame *
select_vsplit(Frame * f, char *what)
{
Page *p = f->page;
int idx;
if (!strncmp(what, "prev", 5)) {
idx = index_prev_item((void **) p->managed, f);
if (idx >= 0)
return p->managed[idx];
} else if (!strncmp(what, "next", 5)) {
idx = index_next_item((void **) p->managed, f);
if (idx >= 0)
return p->managed[idx];
} else if (!strncmp(what, "zoomed", 7)) {
idx = index_item((void **) p->managed, f);
if (idx == 0 && p->managed[1])
idx = 1;
if (idx > 0)
swap((void **) &p->managed[0], (void **) &p->managed[idx]);
p->managed_stack = (Frame **)
attach_item_begin(detach_item
((void **) p->managed_stack, p->managed[0],
sizeof(Frame *)), p->managed[0],
sizeof(Frame *));
arrange_vsplit(p);
return p->managed_stack[0];
}
return 0;
}
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