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/*
* inst.h - Instance structures
*
* Written 2009, 2010, 2012 by Werner Almesberger
* Copyright 2009, 2010, 2012 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.
*/
#ifndef INST_H
#define INST_H
#include <stdint.h>
#include <stdio.h>
#include "coord.h"
#include "obj.h"
#include "meas.h"
enum mode {
mode_inactive, /* on inactive frame */
mode_active, /* on active frame */
mode_selected, /* item is selected */
mode_hover, /* hovering over item's contact area */
mode_n /* number of modes */
};
struct bbox {
struct coord min;
struct coord max;
};
enum inst_prio {
ip_frame, /* frames have their own selection */
ip_pad_copper, /* pads also accept clicks inside; pads with copper */
ip_pad_special, /* pads with only solder paste or mask, on top */
ip_hole, /* holes in pads must be on top to be seen */
ip_circ, /* circles don't overlap easily */
ip_arc, /* arcs are like circles, just shorter */
ip_rect, /* rectangles have plenty of sides */
ip_meas, /* mesurements are like lines but set a bit apart */
ip_line, /* lines are easly overlapped by other things */
ip_vec, /* vectors only have the end point */
ip_n, /* number of priorities */
};
struct inst;
struct inst_ops {
void (*debug)(struct inst *self);
void (*save)(FILE *file, struct inst *self);
void (*draw)(struct inst *self);
struct pix_buf *(*hover)(struct inst *self);
unit_type (*distance)(struct inst *self, struct coord pos,
unit_type scale);
void (*select)(struct inst *self);
void (*begin_drag_move)(struct inst *from, int i);
struct inst *(*find_point)(struct inst *self, struct coord pos);
struct pix_buf *(*draw_move)(struct inst *inst,
struct coord pos, int i);
void (*end_drag_move)(void);
/* arcs and measurements need this special override */
void (*do_move_to)(struct inst *inst, struct inst *to, int i);
};
struct inst {
const struct inst_ops *ops;
enum inst_prio prio; /* currently only used for icon selection */
struct coord base;
struct bbox bbox;
struct vec *vec; /* NULL if not vector */
struct obj *obj; /* NULL if not object */
struct inst *outer; /* frame containing this item */
int active;
union {
struct {
int highlighted; /* for measurements */
struct coord end;
} vec;
struct {
struct frame *ref;
int active;
} frame;
const char *name;
struct {
unit_type width;
struct coord end;
} rect;
struct {
char *name;
struct coord other;
layer_type layers; /* bit-set of layers */
struct inst *hole; /* through-hole or NULL */
} pad;
struct {
struct coord other;
layer_type layers; /* bit-set of layers (mech only) */
struct inst *pad; /* through-hole pad of NULL */
} hole;
struct {
unit_type r;
double a1, a2;
unit_type width;
} arc;
struct {
struct coord end;
double offset;
int valid; /* only set if references exist */
} meas;
} u;
struct inst *next;
};
struct pkg {
const char *name; /* NULL if global package */
struct inst *insts[ip_n];
struct inst **next_inst[ip_n];
struct bbox bbox; /* bbox only of items in this package */
struct sample **samples;
int n_samples;
struct pkg *next;
};
extern struct inst *selected_inst;
extern struct pkg *pkgs; /* list of packages */
extern struct pkg *active_pkg; /* package selected in GUI */
extern struct pkg *curr_pkg; /* package currently being instantiated */
extern struct pkg *reachable_pkg; /* package reachable with active vars */
extern struct bbox active_frame_bbox;
/*
* frame being instantiated - we need to export this one for meas.c, so that
* measurements can update the root frame's bounding box.
*/
extern struct inst *frame_instantiating;
/*
* @@@ Note that we over-generalize a bit here: the only item that ever ends up
* in the global package is currently the root frame. However, we may later
* allow other items shared by all packages be there as well.
*/
#define FOR_INST_PRIOS_UP(prio) \
for (prio = 0; prio != ip_n; prio++)
#define FOR_INST_PRIOS_DOWN(prio) \
for (prio = ip_n-1; prio != (enum inst_prio) -1; prio--)
#define FOR_PKG_INSTS(pkg, prio, inst) \
for (inst = (pkg) ? (pkg)->insts[prio] : NULL; inst; inst = inst->next)
#define FOR_ALL_INSTS(i, prio, inst) \
for (i = 0; i != 2; i++) \
FOR_PKG_INSTS(i ? active_pkg : pkgs, prio, inst)
int bright(const struct inst *inst);
void inst_select_outside(void *item, void (*deselect)(void *item));
int inst_select(struct coord pos);
void inst_deselect(void);
void inst_select_vec(struct vec *vec);
void inst_select_obj(struct obj *obj);
struct inst *inst_find_point(struct coord pos);
int inst_find_point_selected(struct coord pos, struct inst **res);
struct coord inst_get_point(const struct inst *inst);
int inst_anchors(struct inst *inst, struct vec ***anchors);
struct vec *inst_get_vec(const struct inst *inst);
int inst_vec(struct vec *vec, struct coord base);
int inst_line(struct obj *obj, struct coord a, struct coord b, unit_type width);
int inst_rect(struct obj *obj, struct coord a, struct coord b, unit_type width);
int inst_pad(struct obj *obj, const char *name, struct coord a, struct coord b);
int inst_hole(struct obj *obj, struct coord a, struct coord b);
int inst_arc(struct obj *obj, struct coord center, struct coord start,
struct coord stop, unit_type width);
struct inst *find_meas_hint(const struct obj *obj);
int inst_meas(struct obj *obj, struct coord from, struct coord to);
void inst_meas_hint(struct obj *obj, unit_type offset);
void inst_begin_active(int active);
void inst_end_active(void);
void inst_begin_frame(struct obj *obj, struct frame *frame,
struct coord base, int active, int is_active_frame);
void inst_end_frame(const struct frame *frame);
void inst_select_pkg(const char *name, int active);
struct bbox inst_get_bbox(const struct pkg *pkg);
void inst_start(void);
void inst_commit(void);
void inst_revert(void);
void inst_draw(void);
void inst_highlight_vecs(int (*pick)(struct inst *inst, void *user),
void *user);
struct inst *inst_find_vec(struct coord pos,
int (*pick)(struct inst *inst, void *user), void *user);
struct inst *insts_ip_vec(void);
struct pix_buf *inst_draw_move(struct inst *inst, struct coord pos, int i);
int inst_do_move_to(struct inst *inst, struct inst *to, int i);
struct pix_buf *inst_hover(struct inst *inst);
void inst_begin_drag_move(struct inst *inst, int i);
void inst_delete(struct inst *inst);
#endif /* !INST_H */
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