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fped/inst.c
werner 661398c20a Yet more tooltips. This time, for all non-editable fields in the status area.
- gui_status.h: use macro to generate status_set_* delarations, just as we use
  a macro for their definitions
- added tooltips for all non-editable fields in the status area



git-svn-id: http://svn.openmoko.org/trunk/eda/fped@5773 99fdad57-331a-0410-800a-d7fa5415bdb3
2010-01-02 23:27:36 +00:00

1361 lines
28 KiB
C

/*
* inst.c - Instance structures
*
* Written 2009, 2010 by Werner Almesberger
* Copyright 2009, 2010 by Werner Almesberger
*
* 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.
*/
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include "util.h"
#include "coord.h"
#include "expr.h"
#include "layer.h"
#include "obj.h"
#include "delete.h"
#include "gui_util.h"
#include "gui_status.h"
#include "gui_canvas.h"
#include "gui_tool.h"
#include "gui_meas.h"
#include "gui_inst.h"
#include "gui_frame.h"
#include "gui.h"
#include "inst.h"
struct inst *selected_inst = NULL;
struct bbox active_frame_bbox;
struct pkg *pkgs, *active_pkg, *curr_pkg;
struct inst *curr_frame = NULL;
static struct pkg *prev_pkgs;
static unsigned long active_set = 0;
static struct inst_ops vec_ops;
static struct inst_ops frame_ops;
static struct inst_ops meas_ops;
#define IS_ACTIVE ((active_set & 1))
/* ----- selective visibility ---------------------------------------------- */
static int show(enum inst_prio prio)
{
switch (prio) {
case ip_vec:
case ip_frame:
return show_stuff;
case ip_meas:
return show_meas;
default:
return 1;
}
}
int bright(const struct inst *inst)
{
if (!show_bright)
return 0;
return inst->ops != &vec_ops && inst->ops != &frame_ops &&
inst->ops != &meas_ops;
}
static int show_this(const struct inst *inst)
{
if (show_all)
return 1;
if (inst->ops == &frame_ops && inst->u.frame.ref == active_frame)
return 1;
if (!inst->outer)
return active_frame == root_frame;
return inst->outer->u.frame.ref == active_frame;
}
/* ----- selection of items not on the canvas ------------------------------ */
static void *selected_outside = NULL;
static void (*outside_deselect)(void *item);
static void deselect_outside(void)
{
if (selected_outside && outside_deselect)
outside_deselect(selected_outside);
selected_outside = NULL;
}
void inst_select_outside(void *item, void (*deselect)(void *item))
{
if (item == selected_outside)
return;
deselect_outside();
inst_deselect();
selected_outside = item;
outside_deselect = deselect;
}
/* ----- check connectedness ----------------------------------------------- */
/*
* After an instantiation failure, the instances can get out of sync with the
* object tree, and attempts to select an item on the canvas can cause accesses
* to objects that aren't there anymore. So we need to check if we can still
* reach the corresponding object.
*
* Note: even this isn't bullet-proof. Theoretically, we may get a new object
* in the old place. However, this probably doesn't do any serious damage.
*/
static int inst_connected(const struct inst *inst)
{
const struct frame *frame;
const struct vec *vec;
const struct obj *obj;
for (frame = frames; frame; frame = frame->next) {
if (inst->ops == &vec_ops) {
for (vec = frame->vecs; vec; vec = vec->next)
if (vec == inst->vec)
return 1;
} else {
for (obj = frame->objs; obj; obj = obj->next)
if (obj == inst->obj)
return 1;
}
}
return 0;
}
/* ----- selection --------------------------------------------------------- */
static void inst_select_inst(struct inst *inst)
{
selected_inst = inst;
tool_selected_inst(inst);
gui_frame_select_inst(inst);
if (inst->ops->select)
selected_inst->ops->select(inst);
status_set_icon(get_icon_by_inst(inst));
}
static int activate_item(struct inst *inst)
{
if (!inst->outer)
return 0;
if (inst->outer->u.frame.ref->active_ref == inst->outer->obj)
return activate_item(inst->outer);
inst->outer->u.frame.ref->active_ref = inst->outer->obj;
activate_item(inst->outer);
return 1;
}
int inst_select(struct coord pos)
{
enum inst_prio prio;
const struct inst *prev;
struct inst *inst;
struct inst *first = NULL; /* first active item */
struct inst *next = NULL; /* active item after currently sel. */
struct inst *any_first = NULL; /* first item, active or inactive */
struct inst *any_same_frame = NULL; /* first item on active frame */
struct frame *frame;
int best_dist = 0; /* keep gcc happy */
int select_next;
int dist, i;
prev = selected_inst;
deselect_outside();
edit_nothing();
if (selected_inst) {
gui_frame_deselect_inst(selected_inst);
tool_selected_inst(NULL);
}
inst_deselect();
select_next = 0;
FOR_INST_PRIOS_DOWN(prio) {
if (!show(prio))
continue;
FOR_ALL_INSTS(i, prio, inst) {
if (!show_this(inst))
continue;
if (!inst->ops->distance)
continue;
if (!inst_connected(inst))
continue;
dist = inst->ops->distance(inst, pos, draw_ctx.scale);
if (dist >= 0) {
if (!any_first)
any_first = inst;
if (!any_same_frame && inst->outer &&
inst->outer->u.frame.ref == active_frame)
any_same_frame = inst;
if (!inst->active)
continue;
if (!first)
first = inst;
if (!next && select_next)
next = inst;
if (inst == prev)
select_next = 1;
if (!selected_inst || best_dist > dist) {
selected_inst = inst;
best_dist = dist;
}
}
}
}
if (select_next) {
selected_inst = next ? next : first;
goto selected;
}
if (selected_inst)
goto selected;
/* give vectors a second chance */
if (show_stuff) {
FOR_ALL_INSTS(i, ip_vec, inst) {
if (!inst->active)
continue;
if (!inst_connected(inst))
continue;
dist = gui_dist_vec_fallback(inst, pos, draw_ctx.scale);
if (dist >= 0 && (!selected_inst || best_dist > dist)) {
selected_inst = inst;
best_dist = dist;
}
}
if (selected_inst)
goto selected;
}
if (!show_all)
return 0;
if (any_same_frame) {
if (activate_item(any_same_frame))
return inst_select(pos);
}
if (any_first) {
frame = any_first->outer ? any_first->outer->u.frame.ref : NULL;
if (frame != active_frame) {
select_frame(frame);
return inst_select(pos);
}
}
return 0;
selected:
inst_select_inst(selected_inst);
return 1;
}
struct inst *inst_find_point(struct coord pos)
{
struct inst *inst, *found;
int best_dist = 0; /* keep gcc happy */
int dist, i;
found = NULL;
FOR_ALL_INSTS(i, ip_frame, inst) {
if (!inst->u.frame.active)
continue;
dist = gui_dist_frame_eye(inst, pos, draw_ctx.scale);
if (dist >= 0 && (!found || best_dist > dist)) {
found = inst;
best_dist = dist;
}
}
if (found)
return found;
FOR_ALL_INSTS(i, ip_vec, inst) {
if (!inst->active || !inst->ops->distance)
continue;
dist = inst->ops->distance(inst, pos, draw_ctx.scale);
if (dist >= 0 && (!found || best_dist > dist)) {
found = inst;
best_dist = dist;
}
}
return found;
}
int inst_find_point_selected(struct coord pos, struct inst **res)
{
struct vec **anchors[3];
int n, best_i, i;
struct inst *best = NULL;
struct inst *inst;
int d_min, d, j;
assert(selected_inst);
n = inst_anchors(selected_inst, anchors);
for (i = 0; i != n; i++) {
if (*anchors[i]) {
FOR_ALL_INSTS(j, ip_vec, inst) {
if (inst->vec != *anchors[i])
continue;
d = gui_dist_vec(inst, pos, draw_ctx.scale);
if (d != -1 && (!best || d < d_min)) {
best = inst;
best_i = i;
d_min = d;
}
}
} else {
FOR_ALL_INSTS(j, ip_frame, inst) {
if (inst != selected_inst->outer)
continue;
d = gui_dist_frame(inst, pos, draw_ctx.scale);
if (d != -1 && (!best || d < d_min)) {
best = inst;
best_i = i;
d_min = d;
}
}
}
}
if (!best)
return -1;
if (res)
*res = best;
return best_i;
}
struct coord inst_get_point(const struct inst *inst)
{
if (inst->ops == &vec_ops)
return inst->u.vec.end;
if (inst->ops == &frame_ops)
return inst->base;
abort();
}
struct vec *inst_get_vec(const struct inst *inst)
{
if (inst->ops == &vec_ops)
return inst->vec;
if (inst->ops == &frame_ops)
return NULL;
abort();
}
int inst_anchors(struct inst *inst, struct vec ***anchors)
{
return inst->ops->anchors ? inst->ops->anchors(inst, anchors) : 0;
}
void inst_deselect(void)
{
if (selected_inst) {
tool_selected_inst(NULL);
gui_frame_deselect_inst(selected_inst);
}
deselect_outside();
status_set_type_x(NULL, "");
status_set_type_y(NULL, "");
status_set_type_entry(NULL, "");
status_set_name(NULL, "");
status_set_x(NULL, "");
status_set_y(NULL, "");
status_set_r(NULL, "");
status_set_angle(NULL, "");
selected_inst = NULL;
edit_nothing();
refresh_pos();
status_set_icon(NULL);
}
/* ----- select instance by vector/object ---------------------------------- */
static void vec_edit(struct vec *vec);
static void obj_edit(struct obj *obj);
void inst_select_vec(struct vec *vec)
{
struct inst *inst;
int i;
if (vec->frame != active_frame)
select_frame(vec->frame);
FOR_ALL_INSTS(i, ip_vec, inst)
if (inst->vec == vec && inst->active) {
inst_deselect();
inst_select_inst(inst);
return;
}
vec_edit(vec);
}
void inst_select_obj(struct obj *obj)
{
enum inst_prio prio;
struct inst *inst;
int i;
if (obj->frame != active_frame)
select_frame(obj->frame);
FOR_INST_PRIOS_DOWN(prio)
FOR_ALL_INSTS(i, prio, inst)
if (inst->obj && inst->obj == obj && inst->active)
goto found;
obj_edit(obj);
return;
found:
inst_deselect();
inst_select_inst(inst);
}
/* ----- common status reporting ------------------------------------------- */
static void rect_status(struct coord a, struct coord b, unit_type width,
int rounded)
{
const char *tip;
struct coord d = sub_vec(b, a);
double r;
unit_type diag;
status_set_xy(d);
tip = "Angle of diagonal";
if (!d.x && !d.y)
status_set_angle(tip, "a = 0 deg");
else {
status_set_angle(tip, "a = %3.1f deg", theta(a, b));
}
if (d.x < 0)
d.x = -d.x;
if (d.y < 0)
d.y = -d.y;
diag = hypot(d.x, d.y);
if (rounded) {
/*
* Only consider the part of the diagonal that is on the pad
* surface.
*
* The circle: (x-r)^2+(y-r)^2 = r^2
* The diagonal: x = t*cos(theta), y = t*sin(theta)
*
* t is the distance from the corner of the surrounding
* rectangle to the half-circle:
*
* t = 2*r*(s+c-sqrt(2*s*c))
*
* With s = sin(theta) and c = cos(theta).
*
* Since d.x = diag*cos(theta), we don't need to calculate the
* sinus and cosinus but can use d.x and d.y directly.
*/
r = (d.x > d.y ? d.y : d.x)/2;
diag -= 2*r*(d.x+d.y-sqrt(2*d.x*d.y))/diag;
}
set_with_units(status_set_r, "d = ", diag, "Length of diagonal");
if (width != -1) {
tip = "Line width";
status_set_type_entry(tip, "width =");
set_with_units(status_set_name, "", width, tip);
}
}
/* ----- helper functions for instance creation ---------------------------- */
static void update_bbox(struct bbox *bbox, struct coord coord)
{
if (bbox->min.x > coord.x)
bbox->min.x = coord.x;
if (bbox->max.x < coord.x)
bbox->max.x = coord.x;
if (bbox->min.y > coord.y)
bbox->min.y = coord.y;
if (bbox->max.y < coord.y)
bbox->max.y = coord.y;
}
static void propagate_bbox(const struct inst *inst)
{
struct inst *frame =
curr_frame ? curr_frame : curr_pkg->insts[ip_frame];
update_bbox(&frame->bbox, inst->bbox.min);
update_bbox(&frame->bbox, inst->bbox.max);
}
static void grow_bbox_by_width(struct bbox *bbox, unit_type width)
{
bbox->min.x -= width/2;
bbox->min.y -= width/2;
bbox->max.x += width/2;
bbox->max.y += width/2;
}
static struct inst *add_inst(const struct inst_ops *ops, enum inst_prio prio,
struct coord base)
{
struct inst *inst;
inst = alloc_type(struct inst);
inst->ops = ops;
inst->prio = prio;
inst->vec = NULL;
inst->obj = NULL;
inst->base = inst->bbox.min = inst->bbox.max = base;
inst->outer = curr_frame;
inst->active = IS_ACTIVE;
inst->next = NULL;
*curr_pkg->next_inst[prio] = inst;
curr_pkg->next_inst[prio] = &inst->next;
return inst;
}
/* ----- vec --------------------------------------------------------------- */
static int validate_vec_name(const char *s, void *ctx)
{
struct vec *vec = ctx;
const struct vec *walk;
if (!is_id(s))
return 0;
for (walk = vec->frame->vecs; walk; walk = walk->next)
if (walk->name && !strcmp(walk->name, s))
return 0;
return 1;
}
static void vec_edit(struct vec *vec)
{
edit_x(&vec->x);
edit_y(&vec->y);
edit_unique_null(&vec->name, validate_vec_name, vec);
}
static void vec_op_select(struct inst *self)
{
const char *tip;
tip = "Vector reference (name)";
status_set_type_entry(tip, "ref =");
status_set_name(tip, "%s", self->vec->name ? self->vec->name : "");
rect_status(self->base, self->u.vec.end, -1, 0);
vec_edit(self->vec);
}
/*
* @@@ The logic of gui_find_point_vec isn't great. Instead of selecting a
* point and then filtering, we should filter the candidates, so that a point
* that's close end eligible can win against one that's closer but not
* eligible.
*/
static struct inst *find_point_vec(struct inst *self, struct coord pos)
{
struct inst *inst;
const struct vec *vec;
inst = inst_find_point(pos);
if (!inst)
return NULL;
if (inst->ops == &frame_ops)
return inst;
for (vec = inst->vec; vec; vec = vec->base)
if (vec == self->vec)
return NULL;
return inst;
}
static int vec_op_anchors(struct inst *inst, struct vec ***anchors)
{
anchors[0] = &inst->vec->base;
return 1;
}
/*
* When instantiating and when dumping, we assume that bases appear in the
* frame->vecs list before vectors using them. A move may change this order.
* We therefore have to sort the list after the move.
*
* Since the list is already ordered, cleaning it up is just O(n).
*/
static void do_move_to_vec(struct inst *inst, struct inst *to, int i)
{
struct vec *to_vec = inst_get_vec(to);
struct vec *vec = inst->vec;
struct frame *frame = vec->frame;
struct vec *v, **anchor, **walk;
assert(!i);
vec->base = to_vec;
/*
* Mark the vector that's being rebased and all vectors that
* (recursively) depend on it.
*
* We're mainly interested in the range between the vector being moved
* and the new base. If the vector follows the base, the list is
* already in the correct order and nothing needs moving.
*/
for (v = frame->vecs; v != vec; v = v->next)
v->mark = 0;
vec->mark = 1;
for (v = vec->next; v && v != to_vec; v = v->next)
v->mark = v->base ? v->base->mark : 0;
if (!v)
return;
/*
* All the marked vectors appearing on the list before the new base
* are moved after the new base, preserving their order.
*
* Start at frame->vecs, not "vec", so that we move the the vector
* being rebased as well.
*/
anchor = &to_vec->next;
walk = &frame->vecs;
while (*walk != to_vec) {
v = *walk;
if (!v->mark)
walk = &v->next;
else {
*walk = v->next;
v->next = *anchor;
*anchor = v;
anchor = &v->next;
}
}
}
static struct inst_ops vec_ops = {
.draw = gui_draw_vec,
.hover = gui_hover_vec,
.distance = gui_dist_vec,
.select = vec_op_select,
.find_point = find_point_vec,
.anchors = vec_op_anchors,
.draw_move = draw_move_vec,
.do_move_to = do_move_to_vec,
};
int inst_vec(struct vec *vec, struct coord base)
{
struct inst *inst;
inst = add_inst(&vec_ops, ip_vec, base);
inst->vec = vec;
inst->u.vec.end = vec->pos;
update_bbox(&inst->bbox, vec->pos);
propagate_bbox(inst);
return 1;
}
/* ----- line -------------------------------------------------------------- */
static void obj_line_edit(struct obj *obj)
{
edit_expr(&obj->u.line.width);
}
static void line_op_select(struct inst *self)
{
rect_status(self->bbox.min, self->bbox.max, self->u.rect.width, 0);
obj_line_edit(self->obj);
}
static int line_op_anchors(struct inst *inst, struct vec ***anchors)
{
struct obj *obj = inst->obj;
anchors[0] = &obj->base;
anchors[1] = &obj->u.rect.other;
return 2;
}
static struct inst_ops line_ops = {
.draw = gui_draw_line,
.distance = gui_dist_line,
.select = line_op_select,
.anchors = line_op_anchors,
.draw_move = draw_move_line,
};
int inst_line(struct obj *obj, struct coord a, struct coord b, unit_type width)
{
struct inst *inst;
inst = add_inst(&line_ops, ip_line, a);
inst->obj = obj;
inst->u.rect.end = b;
inst->u.rect.width = width;
update_bbox(&inst->bbox, b);
grow_bbox_by_width(&inst->bbox, width);
propagate_bbox(inst);
return 1;
}
/* ----- rect -------------------------------------------------------------- */
static void obj_rect_edit(struct obj *obj)
{
edit_expr(&obj->u.rect.width);
}
static void rect_op_select(struct inst *self)
{
rect_status(self->bbox.min, self->bbox.max, self->u.rect.width, 0);
obj_rect_edit(self->obj);
}
static struct inst_ops rect_ops = {
.draw = gui_draw_rect,
.distance = gui_dist_rect,
.select = rect_op_select,
.anchors = line_op_anchors,
.draw_move = draw_move_rect,
};
int inst_rect(struct obj *obj, struct coord a, struct coord b, unit_type width)
{
struct inst *inst;
inst = add_inst(&rect_ops, ip_rect, a);
inst->obj = obj;
inst->u.rect.end = b;
inst->u.rect.width = width;
update_bbox(&inst->bbox, b);
grow_bbox_by_width(&inst->bbox, width);
propagate_bbox(inst);
return 1;
}
/* ----- pad / rpad -------------------------------------------------------- */
static int validate_pad_name(const char *s, void *ctx)
{
char *tmp;
status_begin_reporting();
tmp = expand(s, NULL);
if (!tmp)
return 0;
free(tmp);
return 1;
}
static void obj_pad_edit(struct obj *obj)
{
edit_pad_type(&obj->u.pad.type);
edit_name(&obj->u.pad.name, validate_pad_name, NULL);
}
static void pad_op_select(struct inst *self)
{
status_set_type_entry("Pad name", "label =");
status_set_name("Pad name (actual)", "%s", self->u.pad.name);
rect_status(self->base, self->u.pad.other, -1, 0);
obj_pad_edit(self->obj);
}
static int pad_op_anchors(struct inst *inst, struct vec ***anchors)
{
struct obj *obj = inst->obj;
anchors[0] = &obj->base;
anchors[1] = &obj->u.pad.other;
return 2;
}
static struct inst_ops pad_ops = {
.draw = gui_draw_pad,
.distance = gui_dist_pad,
.select = pad_op_select,
.anchors = pad_op_anchors,
.draw_move = draw_move_pad,
};
static void rpad_op_select(struct inst *self)
{
status_set_type_entry("Pad name", "label =");
status_set_name("Pad name (actual)", "%s", self->u.pad.name);
rect_status(self->base, self->u.pad.other, -1, 1);
obj_pad_edit(self->obj);
}
static struct inst_ops rpad_ops = {
.draw = gui_draw_rpad,
.distance = gui_dist_pad, /* @@@ */
.select = rpad_op_select,
.anchors = pad_op_anchors,
.draw_move = draw_move_rpad,
};
int inst_pad(struct obj *obj, const char *name, struct coord a, struct coord b)
{
struct inst *inst;
inst = add_inst(obj->u.pad.rounded ? &rpad_ops : &pad_ops,
obj->u.pad.type == pt_normal || obj->u.pad.type == pt_bare ?
ip_pad_copper : ip_pad_special, a);
inst->obj = obj;
inst->u.pad.name = stralloc(name);
inst->u.pad.other = b;
inst->u.pad.layers = pad_type_to_layers(obj->u.pad.type);
update_bbox(&inst->bbox, b);
propagate_bbox(inst);
return 1;
}
/* ----- arc --------------------------------------------------------------- */
static void obj_arc_edit(struct obj *obj)
{
edit_expr(&obj->u.arc.width);
}
static void arc_op_select(struct inst *self)
{
const char *tip;
status_set_xy(self->base);
status_set_angle("Angle", "a = %3.1f deg",
self->u.arc.a1 == self->u.arc.a2 ? 360 :
self->u.arc.a2-self->u.arc.a1);
set_with_units(status_set_r, "r = ", self->u.arc.r, "Radius");
tip = "Line width";
status_set_type_entry(tip, "width =");
set_with_units(status_set_name, "", self->u.arc.width, tip);
obj_arc_edit(self->obj);
}
static int arc_op_anchors(struct inst *inst, struct vec ***anchors)
{
struct obj *obj = inst->obj;
/*
* Put end point first so that this is what we grab if dragging a
* circle (thereby turning it into an arc).
*/
anchors[0] = &obj->base;
anchors[1] = &obj->u.arc.end;
anchors[2] = &obj->u.arc.start;
return 3;
}
static struct inst_ops arc_ops = {
.draw = gui_draw_arc,
.distance = gui_dist_arc,
.select = arc_op_select,
.anchors = arc_op_anchors,
.draw_move = draw_move_arc,
.do_move_to = do_move_to_arc,
};
int inst_arc(struct obj *obj, struct coord center, struct coord start,
struct coord end, unit_type width)
{
struct inst *inst;
double r, a1, a2;
a1 = theta(center, start);
a2 = theta(center, end);
inst = add_inst(&arc_ops,
fmod(a1, 360) == fmod(a2, 360) ? ip_circ : ip_arc, center);
inst->obj = obj;
r = hypot(start.x-center.x, start.y-center.y);
inst->u.arc.r = r;
inst->u.arc.a1 = a1;
inst->u.arc.a2 = a2;
inst->u.arc.width = width;
inst->bbox.min.x = center.x-r;
inst->bbox.max.x = center.x+r;
inst->bbox.min.y = center.y-r;
inst->bbox.max.y = center.y+r;
grow_bbox_by_width(&inst->bbox, width);
propagate_bbox(inst);
return 1;
}
/* ----- measurement ------------------------------------------------------- */
static void obj_meas_edit(struct obj *obj)
{
edit_expr(&obj->u.meas.offset);
}
static void meas_op_select(struct inst *self)
{
const char *tip;
rect_status(self->bbox.min, self->bbox.max, -1, 0);
tip = "Measurement line offset";
status_set_type_entry(tip, "offset =");
set_with_units(status_set_name, "", self->u.meas.offset, tip);
obj_meas_edit(self->obj);
}
static int meas_op_anchors(struct inst *inst, struct vec ***anchors)
{
struct obj *obj = inst->obj;
anchors[0] = &obj->base;
anchors[1] = &obj->u.meas.high;
return 2;
}
static struct inst_ops meas_ops = {
.draw = gui_draw_meas,
.distance = gui_dist_meas,
.select = meas_op_select,
.anchors = meas_op_anchors,
.begin_drag_move= begin_drag_move_meas,
.find_point = find_point_meas_move,
.draw_move = draw_move_meas,
.end_drag_move = end_drag_move_meas,
.do_move_to = do_move_to_meas,
};
static struct inst *find_meas_hint(const struct obj *obj)
{
struct inst *inst;
for (inst = curr_pkg->insts[ip_meas]; inst; inst = inst->next)
if (inst->obj == obj)
break;
return inst;
}
int inst_meas(struct obj *obj, struct coord from, struct coord to)
{
struct inst *inst;
struct coord a1, b1;
inst = find_meas_hint(obj);
assert(inst);
inst->base = from;
inst->u.meas.end = to;
/* @@@ we still need to consider the text size as well */
update_bbox(&inst->bbox, from);
update_bbox(&inst->bbox, to);
project_meas(inst, &a1, &b1);
update_bbox(&inst->bbox, a1);
update_bbox(&inst->bbox, b1);
propagate_bbox(inst);
return 1;
}
void inst_meas_hint(struct obj *obj, unit_type offset)
{
static const struct coord zero = { 0, 0 };
struct inst *inst;
inst = find_meas_hint(obj);
if (inst)
return;
inst = add_inst(&meas_ops, ip_meas, zero);
inst->obj = obj;
inst->u.meas.offset = offset;
inst->active = 1; /* measurements are always active */
}
/* ----- direct editing of objects ----------------------------------------- */
static void obj_edit(struct obj *obj)
{
switch (obj->type) {
case ot_frame:
break;
case ot_line:
obj_line_edit(obj);
break;
case ot_rect:
obj_rect_edit(obj);
break;
case ot_arc:
obj_arc_edit(obj);
break;
case ot_pad:
obj_pad_edit(obj);
break;
case ot_meas:
obj_meas_edit(obj);
break;
default:
abort();
}
}
/* ----- active instance --------------------------------------------------- */
void inst_begin_active(int active)
{
active_set = (active_set << 1) | active;
}
void inst_end_active(void)
{
active_set >>= 1;
}
/* ----- frame ------------------------------------------------------------- */
static void frame_op_select(struct inst *self)
{
const char *tip;
tip = "Frame name";
rect_status(self->bbox.min, self->bbox.max, -1, 0);
status_set_type_entry(tip, "name =");
status_set_name(tip, "%s", self->u.frame.ref->name);
}
static int frame_op_anchors(struct inst *inst, struct vec ***anchors)
{
anchors[0] = &inst->obj->base;
return 1;
}
static struct inst_ops frame_ops = {
.draw = gui_draw_frame,
.hover = gui_hover_frame,
.distance = gui_dist_frame,
.select = frame_op_select,
.anchors = frame_op_anchors,
.draw_move = draw_move_frame,
};
void inst_begin_frame(struct obj *obj, struct frame *frame,
struct coord base, int active, int is_active_frame)
{
struct inst *inst;
inst = add_inst(&frame_ops, ip_frame, base);
inst->obj = obj;
inst->u.frame.ref = frame;
inst->u.frame.active = is_active_frame;
inst->active = active;
curr_frame = inst;
}
void inst_end_frame(const struct frame *frame)
{
struct inst *inst = curr_frame;
curr_frame = curr_frame->outer;
if (curr_frame)
propagate_bbox(inst);
if (inst->u.frame.active && frame == active_frame)
active_frame_bbox = inst->bbox;
}
/* ----- package ----------------------------------------------------------- */
void inst_select_pkg(const char *name)
{
struct pkg **pkg;
enum inst_prio prio;
name = name ? unique(name) : NULL;
for (pkg = &pkgs; *pkg; pkg = &(*pkg)->next)
if ((*pkg)->name == name)
break;
if (!*pkg) {
*pkg = zalloc_type(struct pkg);
(*pkg)->name = name;
FOR_INST_PRIOS_UP(prio)
(*pkg)->next_inst[prio] = &(*pkg)->insts[prio];
(*pkg)->samples =
zalloc_size(sizeof(struct sample *)*n_samples);
(*pkg)->n_samples = n_samples;
}
curr_pkg = *pkg;
}
/* ----- misc. ------------------------------------------------------------- */
struct bbox inst_get_bbox(void)
{
return pkgs->insts[ip_frame]->bbox;
}
static void cleanup_inst(enum inst_prio prio, const struct inst *inst)
{
switch (prio) {
case ip_pad_copper:
case ip_pad_special:
free(inst->u.pad.name);
break;
default:
break;
}
}
static void free_pkgs(struct pkg *pkg)
{
enum inst_prio prio;
struct pkg *next_pkg;
struct inst *inst, *next;
while (pkg) {
next_pkg = pkg->next;
FOR_INST_PRIOS_UP(prio)
for (inst = pkg->insts[prio]; inst; inst = next) {
next = inst->next;
cleanup_inst(prio, inst);
free(inst);
}
reset_samples(pkg->samples, pkg->n_samples);
free(pkg->samples);
free(pkg);
pkg = next_pkg;
}
}
void inst_start(void)
{
static struct bbox bbox_zero = { { 0, 0 }, { 0, 0 }};
active_frame_bbox = bbox_zero;
prev_pkgs = pkgs;
pkgs = NULL;
inst_select_pkg(NULL);
curr_pkg = pkgs;
curr_frame = NULL;
}
void inst_commit(void)
{
struct pkg *pkg;
if (active_pkg) {
for (pkg = pkgs; pkg && pkg->name != active_pkg->name;
pkg = pkg->next);
active_pkg = pkg;
}
if (!active_pkg)
active_pkg = pkgs->next;
free_pkgs(prev_pkgs);
}
void inst_revert(void)
{
free_pkgs(pkgs);
pkgs = prev_pkgs;
}
void inst_draw(void)
{
enum inst_prio prio;
struct inst *inst;
int i;
FOR_INST_PRIOS_UP(prio)
FOR_ALL_INSTS(i, prio, inst)
if (show_this(inst))
if (show(prio) && !inst->active &&
inst->ops->draw)
inst->ops->draw(inst);
FOR_INST_PRIOS_UP(prio)
FOR_ALL_INSTS(i, prio, inst)
if (show(prio) && prio != ip_frame && inst->active &&
inst != selected_inst && inst->ops->draw)
inst->ops->draw(inst);
if (show_stuff)
FOR_ALL_INSTS(i, ip_frame, inst)
if (inst->active && inst != selected_inst &&
inst->ops->draw)
inst->ops->draw(inst);
if (selected_inst && selected_inst->ops->draw)
selected_inst->ops->draw(selected_inst);
}
void inst_highlight_vecs(int (*pick)(struct inst *inst, void *user), void *user)
{
struct inst *inst;
int i;
FOR_ALL_INSTS(i, ip_vec, inst) {
inst->u.vec.highlighted = pick(inst, user);
if (inst->u.vec.highlighted)
gui_highlight_vec(inst);
}
}
struct inst *inst_find_vec(struct coord pos,
int (*pick)(struct inst *inst, void *user), void *user)
{
struct inst *inst, *found;
int best_dist = 0; /* keep gcc happy */
int dist, i;
found = NULL;
FOR_ALL_INSTS(i, ip_vec, inst) {
if (!inst->ops->distance)
continue;
dist = inst->ops->distance(inst, pos, draw_ctx.scale);
if (dist < 0 || (found && best_dist <= dist))
continue;
if (!pick(inst, user))
continue;
found = inst;
best_dist = dist;
}
return found;
}
struct inst *insts_ip_vec(void)
{
return active_pkg->insts[ip_vec];
}
struct pix_buf *inst_draw_move(struct inst *inst, struct coord pos, int i)
{
return inst->ops->draw_move(inst, pos, i);
}
int inst_do_move_to(struct inst *inst, struct inst *to, int i)
{
if (!inst->ops->do_move_to)
return 0;
inst->ops->do_move_to(inst, to, i);
return 1;
}
struct pix_buf *inst_hover(struct inst *inst)
{
if (!inst->ops->hover)
return NULL;
return inst->ops->hover(inst);
}
void inst_begin_drag_move(struct inst *inst, int i)
{
if (inst->ops->begin_drag_move)
inst->ops->begin_drag_move(inst, i);
}
void inst_delete(struct inst *inst)
{
if (inst->ops == &vec_ops)
delete_vec(inst->vec);
else
delete_obj(inst->obj);
}