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fped/gui_tool.c

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/*
* gui_tool.c - GUI, tool bar
*
* Written 2009 by Werner Almesberger
* Copyright 2009 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 <math.h>
#include <assert.h>
#include <gtk/gtk.h>
#include "util.h"
#include "inst.h"
#include "obj.h"
#include "gui_util.h"
#include "gui_style.h"
#include "gui_inst.h"
#include "gui_over.h"
#include "gui_canvas.h"
#include "gui_status.h"
#include "gui.h"
#include "gui_meas.h"
#include "gui_tool.h"
#include "icons/circ.xpm"
#include "icons/frame.xpm"
#include "icons/frame_locked.xpm"
#include "icons/frame_ready.xpm"
#include "icons/line.xpm"
#include "icons/meas.xpm"
#include "icons/meas_x.xpm"
#include "icons/meas_y.xpm"
#include "icons/pad.xpm"
#include "icons/rpad.xpm"
#include "icons/point.xpm"
#include "icons/delete.xpm"
#include "icons/delete_off.xpm"
#include "icons/rect.xpm"
#include "icons/vec.xpm"
static GtkWidget *ev_point, *ev_delete, *ev_frame;
static GtkWidget *active_tool;
static struct tool_ops *active_ops = NULL;
static struct inst *hover_inst = NULL;
static GtkWidget *frame_image, *frame_image_locked, *frame_image_ready;
static GtkWidget *delete_image[2];
static struct drag_state {
struct inst *inst; /* non-NULL if dragging an existing object */
struct inst *new; /* non-NULL if dragging a new object */
int anchors_n; /* number of anchors, 0 if no moving */
int anchor_i; /* current anchor */
struct vec **anchors[3];
} drag = {
.new = NULL,
.anchors_n = 0,
};
static struct coord last_canvas_pos;
static struct vec *new_vec(struct inst *base)
{
struct vec *vec, **walk;
vec = alloc_type(struct vec);
vec->name = NULL;
vec->base = inst_get_vec(base);
vec->next = NULL;
vec->frame = active_frame;
for (walk = &active_frame->vecs; *walk; walk = &(*walk)->next);
*walk = vec;
return vec;
}
struct obj *new_obj_unconnected(enum obj_type type, struct inst *base)
{
struct obj *obj;
obj = alloc_type(struct obj);
obj->type = type;
obj->frame = active_frame;
obj->base = inst_get_vec(base);
obj->next = NULL;
obj->lineno = 0;
return obj;
}
void connect_obj(struct frame *frame, struct obj *obj)
{
struct obj **walk;
obj->frame = frame;
for (walk = &frame->objs; *walk; walk = &(*walk)->next);
*walk = obj;
}
static struct obj *new_obj(enum obj_type type, struct inst *base)
{
struct obj *obj;
obj = new_obj_unconnected(type, base);
connect_obj(active_frame, obj);
return obj;
}
/* ----- shared functions -------------------------------------------------- */
struct pix_buf *draw_move_line_common(struct inst *inst,
struct coord end, struct coord pos, int i)
{
struct coord from, to;
struct pix_buf *buf;
from = translate(inst->base);
to = translate(end);
pos = translate(pos);
switch (i) {
case 0:
from = pos;
break;
case 1:
to = pos;
break;
default:
abort();
}
buf = save_pix_buf(DA, from.x, from.y, to.x, to.y, 1);
gdk_draw_line(DA, gc_drag, from.x, from.y, to.x, to.y);
return buf;
}
static struct pix_buf *draw_move_rect_common(struct inst *inst,
struct coord other, struct coord pos, int i)
{
struct coord min, max;
struct pix_buf *buf;
min = translate(inst->base);
max = translate(other);
pos = translate(pos);
switch (i) {
case 0:
min = pos;
break;
case 1:
max = pos;
break;
default:
abort();
}
sort_coord(&min, &max);
buf = save_pix_buf(DA, min.x, min.y, max.x, max.y, 1);
gdk_draw_rectangle(DA, gc_drag, FALSE,
min.x, min.y, max.x-min.x, max.y-min.y);
return buf;
}
static struct pix_buf *hover_common(GdkGC *gc, struct coord center, unit_type r)
{
struct pix_buf *buf;
center = translate(center);
buf = save_pix_buf(DA,
center.x-r, center.y-r, center.x+r, center.y+r, 2);
draw_circle(DA, gc, FALSE, center.x, center.y, VEC_EYE_R);
return buf;
}
/* ----- delete ------------------------------------------------------------ */
static void tool_selected_delete(void)
{
if (selected_inst) {
tool_dehover();
inst_delete(selected_inst);
change_world();
}
tool_reset();
}
static struct tool_ops delete_ops = {
.tool_selected = tool_selected_delete,
};
void tool_selected_inst(struct inst *inst)
{
set_image(ev_delete, delete_image[inst != NULL]);
}
/* ----- vec --------------------------------------------------------------- */
static struct coord gridify(struct coord base, struct coord pos)
{
struct coord new;
unit_type unit;
switch (curr_unit) {
case curr_unit_mm:
case curr_unit_auto:
unit = mm_to_units(0.1);
break;
case curr_unit_mil:
unit = mil_to_units(10);
break;
default:
abort();
}
new.x = pos.x-((pos.x-base.x) % unit);
new.y = pos.y-((pos.y-base.y) % unit);
if (new.x != base.x || new.y != base.y)
return new;
if (fabs(pos.x-base.x) > fabs(pos.y-base.y))
new.x += pos.x > base.x ? unit : -unit;
else
new.y += pos.y > base.y ? unit : -unit;
return new;
}
static struct pix_buf *drag_new_vec(struct inst *from, struct coord to)
{
struct coord pos;
struct pix_buf *buf;
pos = inst_get_point(from);
to = gridify(pos, to);
status_set_type_x("dX =");
status_set_type_y("dX =");
/* @@@ use status_set_xy */
switch (curr_unit) {
case curr_unit_mm:
case curr_unit_auto:
status_set_x("%lg mm", units_to_mm(to.x-pos.x));
status_set_y("%lg mm", units_to_mm(to.y-pos.y));
break;
case curr_unit_mil:
status_set_x("%lg mil", units_to_mil(to.x-pos.x));
status_set_y("%lg mil", units_to_mil(to.y-pos.y));
break;
default:
abort();
}
pos = translate(pos);
to = translate(to);
buf = save_pix_buf(DA, pos.x, pos.y, to.x, to.y, 1);
gdk_draw_line(DA, gc_drag, pos.x, pos.y, to.x, to.y);
return buf;
}
struct pix_buf *draw_move_vec(struct inst *inst, struct coord pos, int i)
{
return draw_move_line_common(inst,
add_vec(sub_vec(inst->u.vec.end, inst->base), pos), pos, i);
}
struct pix_buf *gui_hover_vec(struct inst *self)
{
return hover_common(gc_vec[mode_hover],
self->u.vec.end, VEC_EYE_R);
}
static int end_new_raw_vec(struct inst *from, struct coord to)
{
struct vec *vec;
struct coord pos;
vec = new_vec(from);
pos = inst_get_point(from);
to = gridify(pos, to);
switch (curr_unit) {
case curr_unit_mm:
case curr_unit_auto:
vec->x = new_num(make_mm(units_to_mm(to.x-pos.x)));
vec->y = new_num(make_mm(units_to_mm(to.y-pos.y)));
break;
case curr_unit_mil:
vec->x = new_num(make_mil(units_to_mil(to.x-pos.x)));
vec->y = new_num(make_mil(units_to_mil(to.y-pos.y)));
break;
default:
abort();
}
return 1;
}
static struct tool_ops vec_ops = {
.drag_new = drag_new_vec,
.end_new_raw = end_new_raw_vec,
};
/* ----- line -------------------------------------------------------------- */
struct pix_buf *drag_new_line(struct inst *from, struct coord to)
{
struct coord pos;
struct pix_buf *buf;
pos = translate(inst_get_point(from));
to = translate(to);
buf = save_pix_buf(DA, pos.x, pos.y, to.x, to.y, 1);
gdk_draw_line(DA, gc_drag, pos.x, pos.y, to.x, to.y);
return buf;
}
struct pix_buf *draw_move_line(struct inst *inst, struct coord pos, int i)
{
return draw_move_line_common(inst, inst->u.rect.end, pos, i);
}
static int end_new_line(struct inst *from, struct inst *to)
{
struct obj *obj;
if (from == to)
return 0;
obj = new_obj(ot_line, from);
obj->u.line.other = inst_get_vec(to);
obj->u.line.width = NULL;
return 1;
}
static struct tool_ops line_ops = {
.drag_new = drag_new_line,
.end_new = end_new_line,
};
/* ----- rect -------------------------------------------------------------- */
static struct pix_buf *drag_new_rect(struct inst *from, struct coord to)
{
struct coord pos;
struct pix_buf *buf;
pos = translate(inst_get_point(from));
to = translate(to);
sort_coord(&pos, &to);
buf = save_pix_buf(DA, pos.x, pos.y, to.x, to.y, 1);
gdk_draw_rectangle(DA, gc_drag, FALSE,
pos.x, pos.y, to.x-pos.x, to.y-pos.y);
return buf;
}
struct pix_buf *draw_move_rect(struct inst *inst, struct coord pos, int i)
{
return draw_move_rect_common(inst, inst->u.rect.end, pos, i);
}
static int end_new_rect(struct inst *from, struct inst *to)
{
struct obj *obj;
if (from == to)
return 0;
obj = new_obj(ot_rect, from);
obj->u.rect.other = inst_get_vec(to);
obj->u.rect.width = NULL;
return 1;
}
static struct tool_ops rect_ops = {
.drag_new = drag_new_rect,
.end_new = end_new_rect,
};
/* ----- pad --------------------------------------------------------------- */
static int end_new_pad(struct inst *from, struct inst *to)
{
struct obj *obj;
if (from == to)
return 0;
obj = new_obj(ot_pad, from);
obj->u.pad.other = inst_get_vec(to);
obj->u.pad.name = stralloc("?");
obj->u.pad.rounded = 0;
obj->u.pad.type = pt_normal;
return 1;
}
struct pix_buf *draw_move_pad(struct inst *inst, struct coord pos, int i)
{
return draw_move_rect_common(inst, inst->u.pad.other, pos, i);
}
static struct tool_ops pad_ops = {
.drag_new = drag_new_rect,
.end_new = end_new_pad,
};
/* ----- rounded pad ------------------------------------------------------- */
static int end_new_rpad(struct inst *from, struct inst *to)
{
struct obj *obj;
if (from == to)
return 0;
obj = new_obj(ot_pad, from);
obj->u.pad.other = inst_get_vec(to);
obj->u.pad.name = stralloc("?");
obj->u.pad.rounded = 1;
obj->u.pad.type = pt_normal;
return 1;
}
struct pix_buf *draw_move_rpad(struct inst *inst, struct coord pos, int i)
{
return draw_move_rect_common(inst, inst->u.pad.other, pos, i);
}
static struct tool_ops rpad_ops = {
.drag_new = drag_new_rect,
.end_new = end_new_rpad,
};
/* ----- circ -------------------------------------------------------------- */
static struct pix_buf *drag_new_circ(struct inst *from, struct coord to)
{
struct coord pos;
struct pix_buf *buf;
double r;
pos = translate(inst_get_point(from));
to = translate(to);
r = hypot(to.x-pos.x, to.y-pos.y);
buf = save_pix_buf(DA, pos.x-r, pos.y-r, pos.x+r, pos.y+r, 1);
draw_circle(DA, gc_drag, FALSE, pos.x, pos.y, r);
return buf;
}
static int end_new_circ(struct inst *from, struct inst *to)
{
struct obj *obj;
if (from == to)
return 0;
obj = new_obj(ot_arc, from);
obj->u.arc.start = inst_get_vec(to);
obj->u.arc.end = inst_get_vec(to);
obj->u.arc.width = NULL;
return 1;
}
struct pix_buf *draw_move_arc(struct inst *inst, struct coord pos, int i)
{
struct coord c, from, to, end;
double r, r_save, a1, a2;
struct pix_buf *buf;
c = translate(inst->base);
from =
translate(rotate_r(inst->base, inst->u.arc.r, inst->u.arc.a1));
to =
translate(rotate_r(inst->base, inst->u.arc.r, inst->u.arc.a2));
pos = translate(pos);
switch (i) {
case 0:
c = pos;
break;
case 2:
from = pos;
break;
case 1:
to = pos;
break;
default:
abort();
}
r = hypot(from.x-c.x, from.y-c.y);
/*
* the screen coordinate system is reversed with y growing downward,
* so we have to negate the angles.
*/
a1 = -theta(c, from);
a2 = -theta(c, to);
if (a2 < a1)
a2 += 360.0;
if (i != 2)
r_save = r;
else {
r_save = hypot(to.x-c.x, to.y-c.y);
if (r > r_save)
r_save = r;
}
buf = save_pix_buf(DA,
c.x-r_save, c.y-r_save, c.x+r_save, c.y+r_save, 1);
draw_arc(DA, gc_drag, FALSE, c.x, c.y, r, a1, a2);
if (i == 1) {
end = rotate_r(c, r_save, -a2);
gdk_draw_line(DA, gc_drag, c.x, c.y, end.x, end.y);
}
return buf;
}
void do_move_to_arc(struct inst *inst, struct inst *to, int i)
{
struct vec *vec = inst_get_vec(to);
struct obj *obj = inst->obj;
switch (i) {
case 0:
obj->base = vec;
break;
case 2:
obj->u.arc.start = vec;
break;
case 1:
obj->u.arc.end = vec;
break;
default:
abort();
}
}
static struct tool_ops circ_ops = {
.drag_new = drag_new_circ,
.end_new = end_new_circ,
};
/* ----- frame helper ------------------------------------------------------ */
static int is_parent_of(const struct frame *p, const struct frame *c)
{
const struct obj *obj;
if (p == c)
return 1;
for (obj = p->objs; obj; obj = obj->next)
if (obj->type == ot_frame)
if (is_parent_of(obj->u.frame.ref, c))
return 1;
return 0;
}
/* ----- frame cache ------------------------------------------------------- */
static struct frame *locked_frame = NULL;
static void set_frame_image(GtkWidget *image)
{
set_image(ev_frame, image);
}
void tool_frame_update(void)
{
set_frame_image(!locked_frame ? frame_image :
is_parent_of(locked_frame, active_frame) ?
frame_image_locked : frame_image_ready);
}
void tool_frame_deleted(const struct frame *frame)
{
if (frame == locked_frame) {
locked_frame = NULL;
set_frame_image(frame_image);
}
}
static void tool_selected_frame(void)
{
if (active_frame != root_frame) {
locked_frame = active_frame;
set_frame_image(frame_image_locked);
}
}
/* ----- frame ------------------------------------------------------------- */
struct pix_buf *draw_move_frame(struct inst *inst, struct coord pos, int i)
{
struct pix_buf *buf;
int r = FRAME_EYE_R2;
pos = translate(pos);
buf = save_pix_buf(DA, pos.x-r, pos.y-r, pos.x+r, pos.y+r, 1);
draw_arc(DA, gc_drag, FALSE, pos.x, pos.y, r, 0, 360);
return buf;
}
struct pix_buf *gui_hover_frame(struct inst *self)
{
return hover_common(gc_frame[mode_hover],
self->base, FRAME_EYE_R2);
}
static int end_new_frame(struct inst *from, struct inst *to)
{
struct obj *obj;
if (!locked_frame || is_parent_of(locked_frame, active_frame))
return 0;
obj = new_obj(ot_frame, from);
obj->u.frame.ref = locked_frame;
obj->u.frame.lineno = 0;
if (!locked_frame->active_ref)
locked_frame->active_ref = obj;
locked_frame = NULL;
tool_frame_update();
tool_reset();
return 1;
}
static struct tool_ops frame_ops = {
.tool_selected = tool_selected_frame,
.drag_new = NULL,
.end_new = end_new_frame,
};
/* ----- moving references ------------------------------------------------- */
#if 0
static int may_move(struct inst *curr)
{
if (!selected_inst)
return 0;
if (drag.anchors_n)
return 0; /* already moving something else */
drag.anchors_n = inst_anchors(selected_inst, drag.anchors);
for (drag.anchor_i = 0; drag.anchor_i != drag.anchors_n;
drag.anchor_i++)
if (*drag.anchors[drag.anchor_i] == inst_get_vec(curr))
return 1;
drag.anchors_n = 0;
return 0;
}
#endif
static int would_be_equal(const struct drag_state *state,
int a, int b, struct inst *curr)
{
const struct vec *va;
const struct vec *vb;
va = a == state->anchor_i ? inst_get_vec(curr) : *state->anchors[a];
vb = b == state->anchor_i ? inst_get_vec(curr) : *state->anchors[b];
return va == vb;
}
static int may_move_to(const struct drag_state *state, struct inst *curr)
{
assert(drag.inst);
assert(state->anchors_n);
switch (state->anchors_n) {
case 3:
if (would_be_equal(state, 0, 2, curr))
return 0;
/* fall through */
case 2:
if (would_be_equal(state, 0, 1, curr))
return 0;
/* fall through */
case 1:
return 1;
default:
abort();
}
}
static void do_move_to(struct drag_state *state, struct inst *curr)
{
assert(state->inst->ops->find_point || may_move_to(state, curr));
*state->anchors[state->anchor_i] = inst_get_vec(curr);
}
/* ----- hover ------------------------------------------------------------- */
static struct pix_buf *hover_save_and_draw(void *user)
{
return inst_hover(hover_inst);
}
void tool_dehover(void)
{
if (!hover_inst)
return;
over_leave();
hover_inst = NULL;
}
/*
* When hovering, we have to consider the following states:
*
* selected (selected_inst != NULL)
* | dragging new (drag.new != NULL)
* | | dragging existing (drag.anchors_n != 0)
* | | | tool selected (active_ops)
* | | | |
* Y N N N highlight if inst_find_point_selected else don't
* Y N N Y highlight if inst_find_point_selected else fall over to tool
* - Y N - highlight if inst_find_point / active_ops->find_point else don't
* - N Y - highlight if may_move_to else don't
* - Y Y - invalid state
* N N N Y highlight if inst_find_point / active_ops->find_point else don't
* N N N N don't highlight
*/
static struct inst *get_hover_inst(struct coord pos)
{
struct inst *inst;
int i;
if (drag.new) {
if (active_ops->find_point)
return active_ops->find_point(pos);
return inst_find_point(pos);
}
if (drag.anchors_n) {
if (drag.inst->ops->find_point)
return drag.inst->ops->find_point(drag.inst, pos);
inst = inst_find_point(pos);
if (!inst)
return NULL;
return may_move_to(&drag, inst) ? inst : NULL;
}
if (selected_inst) {
i = inst_find_point_selected(pos, &inst);
if (i != -1)
return inst;
}
if (!active_ops)
return NULL;
if (active_ops->find_point)
return active_ops->find_point(pos);
return inst_find_point(pos);
}
void tool_hover(struct coord pos)
{
struct inst *curr = NULL;
curr = get_hover_inst(pos);
#if 0
if ((drag.new && curr == drag.new) || (drag.inst && curr == drag.inst))
return;
if (curr && !active_ops) {
if (drag.anchors_n) {
if (!may_move_to(&drag, curr))
curr = NULL;
} else {
if (!may_move(curr))
curr = NULL;
drag.anchors_n = 0;
}
}
got:
#endif
if (curr == hover_inst)
return;
if (hover_inst) {
over_leave();
hover_inst = NULL;
}
if (!curr)
return;
hover_inst = curr;
over_enter(hover_save_and_draw, NULL);
}
/* ----- mouse actions ----------------------------------------------------- */
static struct pix_buf *drag_save_and_draw(void *user, struct coord to)
{
if (drag.new) {
assert(active_ops);
return active_ops->drag_new(drag.new, to);
} else {
return inst_draw_move(drag.inst, to, drag.anchor_i);
}
}
/*
* When considering dragging, we have the following states:
*
* selected (selected_inst != NULL)
* | tool selected (active_ops)
* | |
* N N don't
* Y - if we could drag, drag_new/end_new, else fall over to tool
* N Y else single-click creation, else drag_new/end_new
*/
int tool_consider_drag(struct coord pos)
{
struct inst *curr;
assert(!drag.new);
assert(!drag.anchors_n);
last_canvas_pos = translate(pos);
if (!selected_inst && !active_ops)
return 0;
if (selected_inst) {
drag.anchor_i = inst_find_point_selected(pos, NULL);
if (drag.anchor_i != -1) {
tool_dehover();
drag.inst = selected_inst;
drag.new = NULL;
drag.anchors_n =
inst_anchors(selected_inst, drag.anchors);
over_begin(drag_save_and_draw, NULL, pos);
inst_begin_drag_move(selected_inst, drag.anchor_i);
return 1;
}
}
if (!active_ops)
return 0;
curr = get_hover_inst(pos);
if (!curr)
return 0;
tool_dehover();
if (active_ops->drag_new) {
if (active_ops->begin_drag_new)
active_ops->begin_drag_new(curr);
drag.inst = NULL;
drag.new = curr;
over_begin(drag_save_and_draw, NULL, pos);
return 1;
}
/* object is created without dragging */
if (active_ops->end_new(curr, NULL))
return -1;
return 0;
}
void tool_drag(struct coord to)
{
last_canvas_pos = translate(to);
over_move(to);
}
void tool_cancel_drag(void)
{
if (drag.anchors_n && drag.inst->ops->end_drag_move)
drag.inst->ops->end_drag_move();
drag.new = NULL;
active_ops = NULL;
drag.anchors_n = 0;
over_end();
tool_dehover();
tool_reset();
}
int tool_end_drag(struct coord to)
{
struct drag_state state = drag;
struct inst *end;
struct tool_ops *ops = active_ops;
tool_cancel_drag();
if (state.new && ops->end_new_raw)
return ops->end_new_raw(state.new, to);
if (state.new && ops->find_point)
end = ops->find_point(to);
else {
if (state.inst && state.inst->ops->find_point)
end = state.inst->ops->find_point(state.inst, to);
else
end = inst_find_point(to);
}
if (!end) {
if (state.new && ops->cancel_drag_new)
ops->cancel_drag_new();
return 0;
}
if (state.new)
return ops->end_new(state.new, end);
/* if we got the point from find_point, it's authoritative */
if (!state.inst->ops->find_point && !may_move_to(&state, end))
return 0;
if (!inst_do_move_to(state.inst, end, state.anchor_i))
do_move_to(&state, end);
return 1;
}
void tool_redraw(void)
{
struct coord pos;
over_reset();
hover_inst = NULL;
if (!drag.new && !drag.anchors_n)
return;
pos = canvas_to_coord(last_canvas_pos.x, last_canvas_pos.y);
tool_hover(pos);
over_begin(drag_save_and_draw, NULL, pos);
}
/* ----- tool bar creation ------------------------------------------------- */
static void tool_select(GtkWidget *evbox, struct tool_ops *ops)
{
GdkColor col;
if (active_tool) {
if (active_ops && active_ops->tool_deselected)
active_ops->tool_deselected();
col = get_color(COLOR_TOOL_UNSELECTED);
gtk_widget_modify_bg(active_tool, GTK_STATE_NORMAL, &col);
active_tool = NULL;
}
col = get_color(COLOR_TOOL_SELECTED);
gtk_widget_modify_bg(evbox, GTK_STATE_NORMAL, &col);
active_tool = evbox;
active_ops = ops;
if (ops && ops->tool_selected)
ops->tool_selected();
}
void tool_reset(void)
{
over_reset();
hover_inst = NULL;
tool_select(ev_point, NULL);
}
static gboolean tool_button_press_event(GtkWidget *widget,
GdkEventButton *event, gpointer data)
{
switch (event->button) {
case 1:
tool_select(widget, data);
break;
}
return TRUE;
}
static void tool_separator(GtkWidget *bar)
{
GtkToolItem *item;
item = gtk_separator_tool_item_new();
gtk_separator_tool_item_set_draw(GTK_SEPARATOR_TOOL_ITEM(item), FALSE);
gtk_toolbar_insert(GTK_TOOLBAR(bar), item, -1);
}
GtkWidget *gui_setup_tools(GdkDrawable *drawable)
{
GtkWidget *bar;
bar = gtk_toolbar_new();
gtk_toolbar_set_style(GTK_TOOLBAR(bar), GTK_TOOLBAR_ICONS);
gtk_toolbar_set_orientation(GTK_TOOLBAR(bar),
GTK_ORIENTATION_VERTICAL);
ev_point = tool_button(bar, drawable, xpm_point,
tool_button_press_event, NULL);
ev_delete = tool_button(bar, drawable, NULL,
tool_button_press_event, &delete_ops);
tool_separator(bar);
tool_button(bar, drawable, xpm_vec,
tool_button_press_event, &vec_ops);
ev_frame = tool_button(bar, drawable, NULL,
tool_button_press_event, &frame_ops);
tool_button(bar, drawable, xpm_pad,
tool_button_press_event, &pad_ops);
tool_button(bar, drawable, xpm_rpad,
tool_button_press_event, &rpad_ops);
tool_button(bar, drawable, xpm_line,
tool_button_press_event, &line_ops);
tool_button(bar, drawable, xpm_rect,
tool_button_press_event, &rect_ops);
tool_button(bar, drawable, xpm_circ,
tool_button_press_event, &circ_ops);
tool_separator(bar);
tool_button(bar, drawable, xpm_meas,
tool_button_press_event, &tool_meas_ops);
tool_button(bar, drawable, xpm_meas_x,
tool_button_press_event, &tool_meas_ops_x);
tool_button(bar, drawable, xpm_meas_y,
tool_button_press_event, &tool_meas_ops_y);
frame_image = gtk_widget_ref(make_image(drawable, xpm_frame));
frame_image_locked =
gtk_widget_ref(make_image(drawable, xpm_frame_locked));
frame_image_ready =
gtk_widget_ref(make_image(drawable, xpm_frame_ready));
set_frame_image(frame_image);
delete_image[0] = gtk_widget_ref(make_image(drawable, xpm_delete_off));
delete_image[1] = gtk_widget_ref(make_image(drawable, xpm_delete));
set_image(ev_delete, delete_image[0]);
tool_reset();
return bar;
}
void gui_cleanup_tools(void)
{
g_object_unref(frame_image);
g_object_unref(frame_image_locked);
g_object_unref(frame_image_ready);
g_object_unref(delete_image[0]);
g_object_unref(delete_image[1]);
}