mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-12-02 09:02:32 +00:00
a24fb0ff6a
Adjusting the size of the parent (container) view to the views it contains will be useful for automatic layout and knowing how large the view is for scrolling. New tests added so testing both with and without the option is still possible.
527 lines
12 KiB
C
527 lines
12 KiB
C
/*
|
|
view.c
|
|
|
|
console view object
|
|
|
|
Copyright (C) 2003 Bill Currie
|
|
|
|
Author: Bill Currie <bill@taniwha.org>
|
|
Date: 2003/5/5
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to:
|
|
|
|
Free Software Foundation, Inc.
|
|
59 Temple Place - Suite 330
|
|
Boston, MA 02111-1307, USA
|
|
|
|
*/
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
#ifdef HAVE_STRING_H
|
|
# include <string.h>
|
|
#endif
|
|
#ifdef HAVE_STRINGS_H
|
|
# include <strings.h>
|
|
#endif
|
|
#include <stdlib.h>
|
|
|
|
#include "QF/cexpr.h"
|
|
#include "QF/mathlib.h"
|
|
#include "QF/ui/view.h"
|
|
|
|
static exprenum_t grav_t_enum;
|
|
exprtype_t grav_t_type = {
|
|
.name = "grav_t",
|
|
.size = sizeof (grav_t),
|
|
.data = &grav_t_enum,
|
|
.get_string = cexpr_enum_get_string,
|
|
};
|
|
static grav_t grav_t_values[] = {
|
|
grav_center,
|
|
grav_north,
|
|
grav_northeast,
|
|
grav_east,
|
|
grav_southeast,
|
|
grav_south,
|
|
grav_southwest,
|
|
grav_west,
|
|
grav_northwest,
|
|
};
|
|
static exprsym_t grav_t_symbols[] = {
|
|
{ "center", &grav_t_type, grav_t_values + grav_center },
|
|
{ "north", &grav_t_type, grav_t_values + grav_north },
|
|
{ "northeast", &grav_t_type, grav_t_values + grav_northeast },
|
|
{ "east", &grav_t_type, grav_t_values + grav_east },
|
|
{ "southeast", &grav_t_type, grav_t_values + grav_southeast },
|
|
{ "south", &grav_t_type, grav_t_values + grav_south },
|
|
{ "southwest", &grav_t_type, grav_t_values + grav_southwest },
|
|
{ "west", &grav_t_type, grav_t_values + grav_west },
|
|
{ "northwest", &grav_t_type, grav_t_values + grav_northwest },
|
|
{}
|
|
};
|
|
static exprtab_t grav_t_symtab = {
|
|
grav_t_symbols,
|
|
};
|
|
static exprenum_t grav_t_enum = {
|
|
&grav_t_type,
|
|
&grav_t_symtab,
|
|
};
|
|
|
|
static void
|
|
setgeometry (view_t *view)
|
|
{
|
|
int i;
|
|
view_t *par = view->parent;
|
|
|
|
if (!par) {
|
|
view->xabs = view->xrel = view->xpos;
|
|
view->yabs = view->yrel = view->ypos;
|
|
if (view->setgeometry)
|
|
view->setgeometry (view);
|
|
for (i = 0; i < view->num_children; i++)
|
|
setgeometry (view->children[i]);
|
|
return;
|
|
}
|
|
|
|
switch (view->gravity) {
|
|
case grav_center:
|
|
view->xrel = view->xpos + (par->xlen - view->xlen) / 2;
|
|
view->yrel = view->ypos + (par->ylen - view->ylen) / 2;
|
|
break;
|
|
case grav_north:
|
|
view->xrel = view->xpos + (par->xlen - view->xlen) / 2;
|
|
view->yrel = view->ypos;
|
|
break;
|
|
case grav_northeast:
|
|
view->xrel = par->xlen - view->xpos - view->xlen;
|
|
view->yrel = view->ypos;
|
|
break;
|
|
case grav_east:
|
|
view->xrel = par->xlen - view->xpos - view->xlen;
|
|
view->yrel = view->ypos + (par->ylen - view->ylen) / 2;
|
|
break;
|
|
case grav_southeast:
|
|
view->xrel = par->xlen - view->xpos - view->xlen;
|
|
view->yrel = par->ylen - view->ypos - view->ylen;
|
|
break;
|
|
case grav_south:
|
|
view->xrel = view->xpos + (par->xlen - view->xlen) / 2;
|
|
view->yrel = par->ylen - view->ypos - view->ylen;
|
|
break;
|
|
case grav_southwest:
|
|
view->xrel = view->xpos;
|
|
view->yrel = par->ylen - view->ypos - view->ylen;
|
|
break;
|
|
case grav_west:
|
|
view->xrel = view->xpos;
|
|
view->yrel = view->ypos + (par->ylen - view->ylen) / 2;
|
|
break;
|
|
case grav_northwest:
|
|
view->xrel = view->xpos;
|
|
view->yrel = view->ypos;
|
|
break;
|
|
case grav_flow:
|
|
break;
|
|
}
|
|
view->xabs = par->xabs + view->xrel;
|
|
view->yabs = par->yabs + view->yrel;
|
|
if (view->setgeometry)
|
|
view->setgeometry (view);
|
|
for (i = 0; i < view->num_children; i++)
|
|
setgeometry (view->children[i]);
|
|
}
|
|
|
|
VISIBLE view_t *
|
|
view_new_data (int xp, int yp, int xl, int yl, grav_t grav, void *data)
|
|
{
|
|
view_t *view = calloc (1, sizeof (view_t));
|
|
view->xpos = xp;
|
|
view->ypos = yp;
|
|
view->xlen = xl;
|
|
view->ylen = yl;
|
|
view->gravity = grav;
|
|
view->visible = 1;
|
|
view->draw = view_draw;
|
|
view->data = data;
|
|
setgeometry (view);
|
|
return view;
|
|
}
|
|
|
|
VISIBLE view_t *
|
|
view_new (int xp, int yp, int xl, int yl, grav_t grav)
|
|
{
|
|
return view_new_data (xp, yp, xl, yl, grav, 0);
|
|
}
|
|
|
|
VISIBLE void
|
|
view_insert (view_t *par, view_t *view, int pos)
|
|
{
|
|
view->parent = par;
|
|
if (pos < 0)
|
|
pos = par->num_children + 1 + pos;
|
|
if (pos < 0)
|
|
pos = 0;
|
|
if (pos > par->num_children)
|
|
pos = par->num_children;
|
|
if (par->num_children == par->max_children) {
|
|
par->max_children += 8;
|
|
par->children = realloc (par->children,
|
|
par->max_children * sizeof (view_t *));
|
|
memset (par->children + par->num_children, 0,
|
|
(par->max_children - par->num_children) * sizeof (view_t *));
|
|
}
|
|
memmove (par->children + pos + 1, par->children + pos,
|
|
(par->num_children - pos) * sizeof (view_t *));
|
|
par->num_children++;
|
|
par->children[pos] = view;
|
|
setgeometry (view);
|
|
}
|
|
|
|
VISIBLE void
|
|
view_add (view_t *par, view_t *view)
|
|
{
|
|
view_insert (par, view, -1);
|
|
}
|
|
|
|
VISIBLE void
|
|
view_remove (view_t *par, view_t *view)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < par->num_children; i++) {
|
|
if (par->children[i] == view) {
|
|
memmove (par->children + i, par->children + i + 1,
|
|
(par->num_children - i - 1) * sizeof (view_t *));
|
|
par->children [--par->num_children] = 0;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
VISIBLE void
|
|
view_delete (view_t *view)
|
|
{
|
|
if (view->parent)
|
|
view_remove (view->parent, view);
|
|
while (view->num_children)
|
|
view_delete (view->children[0]);
|
|
free (view->children);
|
|
free (view);
|
|
}
|
|
|
|
VISIBLE void
|
|
view_draw (view_t *view)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < view->num_children; i++) {
|
|
view_t *v = view->children[i];
|
|
if (v->visible && v->draw)
|
|
v->draw (v);
|
|
}
|
|
}
|
|
|
|
static void
|
|
_resize (view_t *view, int xl, int yl)
|
|
{
|
|
int i, xd, yd;
|
|
|
|
xd = xl - view->xlen;
|
|
yd = yl - view->ylen;
|
|
view->xlen = xl;
|
|
view->ylen = yl;
|
|
for (i = 0; i < view->num_children; i++) {
|
|
view_t *v = view->children[i];
|
|
|
|
if (v->resize_x && v->resize_y) {
|
|
_resize (v, v->xlen + xd, v->ylen + yd);
|
|
} else if (v->resize_x) {
|
|
_resize (v, v->xlen + xd, v->ylen);
|
|
} else if (v->resize_y) {
|
|
_resize (v, v->xlen, v->ylen + yd);
|
|
}
|
|
}
|
|
}
|
|
|
|
VISIBLE void
|
|
view_resize (view_t *view, int xl, int yl)
|
|
{
|
|
_resize (view, xl, yl);
|
|
setgeometry (view);
|
|
}
|
|
|
|
VISIBLE void
|
|
view_move (view_t *view, int xp, int yp)
|
|
{
|
|
view->xpos = xp;
|
|
view->ypos = yp;
|
|
setgeometry (view);
|
|
}
|
|
|
|
VISIBLE void
|
|
view_setgeometry (view_t *view, int xp, int yp, int xl, int yl)
|
|
{
|
|
view->xpos = xp;
|
|
view->ypos = yp;
|
|
_resize (view, xl, yl);
|
|
setgeometry (view);
|
|
}
|
|
|
|
VISIBLE void
|
|
view_setgravity (view_t *view, grav_t grav)
|
|
{
|
|
view->gravity = grav;
|
|
setgeometry (view);
|
|
}
|
|
|
|
typedef struct flowline_s {
|
|
struct flowline_s *next;
|
|
int first_child;
|
|
int child_count;
|
|
int cursor;
|
|
int height;
|
|
} flowline_t;
|
|
|
|
#define NEXT_LINE(line, child_index) \
|
|
do { \
|
|
line->next = alloca (sizeof (flowline_t)); \
|
|
memset (line->next, 0, sizeof (flowline_t)); \
|
|
line = line->next; \
|
|
line->first_child = child_index; \
|
|
} while (0)
|
|
|
|
static void
|
|
flow_right (view_t *view, void (*set_rows) (view_t *, flowline_t *))
|
|
{
|
|
flowline_t flowline = {};
|
|
flowline_t *line = &flowline;
|
|
for (int i = 0; i < view->num_children; i++) {
|
|
view_t *child = view->children[i];
|
|
if (line->cursor && line->cursor + child->xlen > view->xlen) {
|
|
NEXT_LINE(line, i);
|
|
}
|
|
child->xpos = line->cursor;
|
|
if (child->xpos || !child->bol_suppress) {
|
|
line->cursor += child->xlen;
|
|
}
|
|
line->height = max (child->ylen, line->height);
|
|
line->child_count++;
|
|
}
|
|
set_rows (view, &flowline);
|
|
}
|
|
|
|
static void
|
|
flow_left (view_t *view, void (*set_rows) (view_t *, flowline_t *))
|
|
{
|
|
flowline_t flowline = {};
|
|
flowline_t *line = &flowline;
|
|
line->cursor = view->xlen;
|
|
for (int i = 0; i < view->num_children; i++) {
|
|
view_t *child = view->children[i];
|
|
if (line->cursor < view->xlen && line->cursor - child->xlen < 0) {
|
|
NEXT_LINE(line, i);
|
|
line->cursor = view->xlen;
|
|
}
|
|
if (child->xpos < view->xlen || !child->bol_suppress) {
|
|
line->cursor -= child->xlen;
|
|
}
|
|
child->xpos = line->cursor;
|
|
line->height = max (child->ylen, line->height);
|
|
line->child_count++;
|
|
}
|
|
set_rows (view, &flowline);
|
|
}
|
|
|
|
static void
|
|
flow_down (view_t *view, void (*set_rows) (view_t *, flowline_t *))
|
|
{
|
|
flowline_t flowline = {};
|
|
flowline_t *line = &flowline;
|
|
for (int i = 0; i < view->num_children; i++) {
|
|
view_t *child = view->children[i];
|
|
if (line->cursor && line->cursor + child->ylen > view->ylen) {
|
|
NEXT_LINE(line, i);
|
|
}
|
|
child->ypos = line->cursor;
|
|
if (child->ypos || !child->bol_suppress) {
|
|
line->cursor += child->ylen;
|
|
}
|
|
line->height = max (child->xlen, line->height);
|
|
line->child_count++;
|
|
}
|
|
set_rows (view, &flowline);
|
|
}
|
|
|
|
static void
|
|
flow_up (view_t *view, void (*set_rows) (view_t *, flowline_t *))
|
|
{
|
|
flowline_t flowline = {};
|
|
flowline_t *line = &flowline;
|
|
line->cursor = view->ylen;
|
|
for (int i = 0; i < view->num_children; i++) {
|
|
view_t *child = view->children[i];
|
|
if (line->cursor < view->ylen && line->cursor - child->ylen < 0) {
|
|
NEXT_LINE(line, i);
|
|
line->cursor = view->ylen;
|
|
}
|
|
if (child->ypos < view->ylen || !child->bol_suppress) {
|
|
line->cursor -= child->ylen;
|
|
}
|
|
child->ypos = line->cursor;
|
|
line->height = max (child->xlen, line->height);
|
|
line->child_count++;
|
|
}
|
|
set_rows (view, &flowline);
|
|
}
|
|
|
|
static void
|
|
flow_view_height (view_t *view, flowline_t *flowlines)
|
|
{
|
|
if (view->flow_size) {
|
|
view->ylen = 0;
|
|
for (flowline_t *line = flowlines; line; line = line->next) {
|
|
view->ylen += line->height;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
flow_view_width (view_t *view, flowline_t *flowlines)
|
|
{
|
|
if (view->flow_size) {
|
|
view->xlen = 0;
|
|
for (flowline_t *line = flowlines; line; line = line->next) {
|
|
view->xlen += line->height;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
set_rows_down (view_t *view, flowline_t *flowlines)
|
|
{
|
|
flow_view_height (view, flowlines);
|
|
|
|
int cursor = 0;
|
|
for (flowline_t *line = flowlines; line; line = line->next) {
|
|
cursor += line->height;
|
|
for (int i = 0; i < line->child_count; i++) {
|
|
view_t *child = view->children[line->first_child + i];
|
|
|
|
child->xrel = child->xpos;
|
|
child->yrel = cursor + child->ypos - child->ylen;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
set_rows_up (view_t *view, flowline_t *flowlines)
|
|
{
|
|
flow_view_height (view, flowlines);
|
|
|
|
int cursor = view->ylen;
|
|
for (flowline_t *line = flowlines; line; line = line->next) {
|
|
for (int i = 0; i < line->child_count; i++) {
|
|
view_t *child = view->children[line->first_child + i];
|
|
|
|
child->xrel = child->xpos;
|
|
child->yrel = cursor + child->ypos - child->ylen;
|
|
}
|
|
cursor -= line->height;
|
|
}
|
|
}
|
|
|
|
static void
|
|
set_columns_right (view_t *view, flowline_t *flowlines)
|
|
{
|
|
flow_view_width (view, flowlines);
|
|
|
|
int cursor = 0;
|
|
for (flowline_t *line = flowlines; line; line = line->next) {
|
|
for (int i = 0; i < line->child_count; i++) {
|
|
view_t *child = view->children[line->first_child + i];
|
|
|
|
child->xrel = cursor + child->xpos;
|
|
child->yrel = child->ypos;
|
|
}
|
|
cursor += line->height;
|
|
}
|
|
}
|
|
|
|
static void
|
|
set_columns_left (view_t *view, flowline_t *flowlines)
|
|
{
|
|
flow_view_width (view, flowlines);
|
|
|
|
int cursor = view->xlen;
|
|
for (flowline_t *line = flowlines; line; line = line->next) {
|
|
cursor -= line->height;
|
|
for (int i = 0; i < line->child_count; i++) {
|
|
view_t *child = view->children[line->first_child + i];
|
|
|
|
child->xrel = cursor + child->xpos;
|
|
child->yrel = child->ypos;
|
|
}
|
|
}
|
|
}
|
|
|
|
VISIBLE void
|
|
view_flow_right_down (view_t *view)
|
|
{
|
|
flow_right (view, set_rows_down);
|
|
}
|
|
|
|
VISIBLE void
|
|
view_flow_right_up (view_t *view)
|
|
{
|
|
flow_right (view, set_rows_up);
|
|
}
|
|
|
|
VISIBLE void
|
|
view_flow_left_down (view_t *view)
|
|
{
|
|
flow_left (view, set_rows_down);
|
|
}
|
|
|
|
VISIBLE void
|
|
view_flow_left_up (view_t *view)
|
|
{
|
|
flow_left (view, set_rows_up);
|
|
}
|
|
|
|
VISIBLE void
|
|
view_flow_down_right (view_t *view)
|
|
{
|
|
flow_down (view, set_columns_right);
|
|
}
|
|
|
|
VISIBLE void
|
|
view_flow_up_right (view_t *view)
|
|
{
|
|
flow_up (view, set_columns_right);
|
|
}
|
|
|
|
VISIBLE void
|
|
view_flow_down_left (view_t *view)
|
|
{
|
|
flow_down (view, set_columns_left);
|
|
}
|
|
|
|
VISIBLE void
|
|
view_flow_up_left (view_t *view)
|
|
{
|
|
flow_up (view, set_columns_left);
|
|
}
|