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mirror of git://projects.qi-hardware.com/fped.git synced 2024-06-26 04:37:38 +03:00

- GUI: added creation and moving of vectors, measurements, and frame references

git-svn-id: http://svn.openmoko.org/trunk/eda/fped@5389 99fdad57-331a-0410-800a-d7fa5415bdb3
This commit is contained in:
werner 2009-08-05 14:44:36 +00:00
parent cdcd2f36b3
commit 5d989a3e28
11 changed files with 419 additions and 72 deletions

View File

@ -16,7 +16,7 @@ OBJS = fped.o expr.o coord.o obj.o delete.o inst.o util.o error.o \
gui.o gui_util.o gui_style.o gui_inst.o gui_status.o gui_canvas.o \
gui_tools.o
XPMS = point.xpm vec.xpm frame.xpm \
XPMS = point.xpm vec.xpm frame.xpm frame_locked.xpm frame_ready.xpm \
line.xpm rect.xpm pad.xpm circ.xpm meas.xpm
CFLAGS_GTK = `pkg-config --cflags gtk+-2.0`

13
expr.c
View File

@ -384,6 +384,19 @@ fail:
}
/* ----- make a number -----------------------------------------------------*/
struct expr *new_num(struct num num)
{
struct expr *expr;
expr = new_op(op_num);
expr->u.num = num;
return expr;
}
/* ----- expression-only parser -------------------------------------------- */

12
expr.h
View File

@ -81,6 +81,17 @@ static inline struct num make_num(double n)
}
static inline struct num make_mm(double mm)
{
struct num res;
res.type = nt_mm;
res.exponent = 1;
res.n = mm;
return res;
}
static inline struct num make_mil(double mil)
{
struct num res;
@ -114,6 +125,7 @@ struct num eval_num(const struct expr *expr, const struct frame *frame);
/* if frame == NULL, we only check the syntax without expanding */
char *expand(const char *name, const struct frame *frame);
struct expr *new_num(struct num num);
struct expr *parse_expr(const char *s);
void free_expr(struct expr *expr);

2
gui.c
View File

@ -503,6 +503,7 @@ static void select_frame(struct frame *frame)
if (active_frame)
label_in_box_bg(active_frame->label, COLOR_FRAME_UNSELECTED);
active_frame = frame;
tool_frame_update();
change_world();
}
@ -648,7 +649,6 @@ static void make_center_area(GtkWidget *vbox)
void change_world(void)
{
tool_reset();
inst_deselect();
status_begin_reporting();
instantiate();

View File

@ -154,6 +154,7 @@ static gboolean button_press_event(GtkWidget *widget, GdkEventButton *event,
{
struct coord pos = canvas_to_coord(&ctx, event->x, event->y);
const struct inst *prev;
int res;
switch (event->button) {
case 1:
@ -162,7 +163,15 @@ static gboolean button_press_event(GtkWidget *widget, GdkEventButton *event,
tool_cancel_drag(&ctx);
dragging = 0;
}
if (tool_consider_drag(&ctx, pos)) {
res = tool_consider_drag(&ctx, pos);
/* tool doesn't do drag */
if (res < 0) {
change_world();
inst_deselect();
break;
}
if (res) {
inst_deselect();
dragging = 1;
drag_escaped = 0;
drag_start = pos;
@ -292,8 +301,10 @@ static gboolean key_press_event(GtkWidget *widget, GdkEventKey *event,
case GDK_BackSpace:
case GDK_Delete:
case GDK_KP_Delete:
if (selected_inst && inst_delete(selected_inst))
if (selected_inst && inst_delete(selected_inst)) {
tool_frame_update();
change_world();
}
break;
case 'u':
if (undelete())

View File

@ -12,6 +12,7 @@
#include <stdlib.h>
#include <math.h>
#include <assert.h>
#include <gtk/gtk.h>
@ -21,11 +22,15 @@
#include "gui_util.h"
#include "gui_style.h"
#include "gui_inst.h"
#include "gui_status.h"
#include "gui.h"
#include "gui_tools.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/pad.xpm"
@ -38,19 +43,25 @@
struct tool_ops {
void (*tool_selected)(void);
struct pix_buf *(*drag_new)(struct draw_ctx *ctx, struct inst *from,
struct coord to);
int (*end_new_raw)(struct draw_ctx *ctx, struct inst *from,
struct coord to);
int (*end_new)(struct draw_ctx *ctx, struct inst *from,
struct inst *to);
};
static GtkWidget *ev_point;
static GtkWidget *ev_point, *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 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 */
@ -62,10 +73,21 @@ static struct drag_state {
static struct pix_buf *pix_buf;
static struct tool_ops vec_ops;
static struct tool_ops frame_ops;
static struct tool_ops pad_ops;
static struct tool_ops meas_ops;
static struct vec *new_vec(struct inst *base)
{
struct vec *vec, **walk;
vec = alloc_type(struct vec);
vec->name = NULL;
vec->base = inst_get_ref(base);
vec->n_refs = 0;
vec->next = NULL;
vec->frame = active_frame;
for (walk = &active_frame->vecs; *walk; walk = &(*walk)->next);
*walk = vec;
return vec;
}
static struct obj *new_obj(enum obj_type type, struct inst *base)
@ -74,6 +96,7 @@ static struct obj *new_obj(enum obj_type type, struct inst *base)
obj = alloc_type(struct obj);
obj->type = type;
obj->frame = active_frame;
obj->base = inst_get_ref(base);
obj->next = NULL;
obj->lineno = 0;
@ -83,6 +106,120 @@ static struct obj *new_obj(enum obj_type type, struct inst *base)
}
/* ----- shared functions -------------------------------------------------- */
static struct pix_buf *draw_move_line_common(struct inst *inst,
struct coord end, struct draw_ctx *ctx, struct coord pos, int i)
{
struct coord from, to;
struct pix_buf *buf;
from = translate(ctx, inst->base);
to = translate(ctx, end);
pos = translate(ctx, 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 draw_ctx *ctx, struct coord pos, int i)
{
struct coord min, max;
struct pix_buf *buf;
min = translate(ctx, inst->base);
max = translate(ctx, other);
pos = translate(ctx, 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;
}
/* ----- vec --------------------------------------------------------------- */
static void gridify(struct coord base, struct coord *pos)
{
pos->x -= fmod(pos->x-base.x, mm_to_units(0.1));
pos->y -= fmod(pos->y-base.y, mm_to_units(0.1));
}
static struct pix_buf *drag_new_vec(struct draw_ctx *ctx,
struct inst *from, struct coord to)
{
struct coord pos;
struct pix_buf *buf;
pos = inst_get_point(from);
gridify(pos, &to);
status_set_type_x("dX =");
status_set_type_y("dX =");
status_set_x("%lg mm", units_to_mm(to.x-pos.x));
status_set_y("%lg mm", units_to_mm(to.y-pos.y));
pos = translate(ctx, pos);
to = translate(ctx, 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 draw_ctx *ctx,
struct coord pos, int i)
{
return draw_move_line_common(inst,
add_vec(sub_vec(inst->u.rect.end, inst->base), pos), ctx, pos, i);
}
static int end_new_raw_vec(struct draw_ctx *ctx,
struct inst *from, struct coord to)
{
struct vec *vec;
struct coord pos;
vec = new_vec(from);
pos = inst_get_point(from);
gridify(pos, &to);
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)));
return 1;
}
static struct tool_ops vec_ops = {
.drag_new = drag_new_vec,
.end_new_raw = end_new_raw_vec,
};
/* ----- line -------------------------------------------------------------- */
@ -103,25 +240,7 @@ static struct pix_buf *drag_new_line(struct draw_ctx *ctx,
struct pix_buf *draw_move_line(struct inst *inst, struct draw_ctx *ctx,
struct coord pos, int i)
{
struct coord from, to;
struct pix_buf *buf;
from = translate(ctx, inst->base);
to = translate(ctx, inst->u.rect.end);
pos = translate(ctx, 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;
return draw_move_line_common(inst, inst->u.rect.end, ctx, pos, i);
}
@ -164,33 +283,6 @@ static struct pix_buf *drag_new_rect(struct draw_ctx *ctx,
}
static struct pix_buf *draw_move_rect_common(struct inst *inst,
struct coord other, struct draw_ctx *ctx, struct coord pos, int i)
{
struct coord min, max;
struct pix_buf *buf;
min = translate(ctx, inst->base);
max = translate(ctx, other);
pos = translate(ctx, 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;
}
struct pix_buf *draw_move_rect(struct inst *inst, struct draw_ctx *ctx,
struct coord pos, int i)
{
@ -365,6 +457,138 @@ static struct tool_ops circ_ops = {
};
/* ----- meas -------------------------------------------------------------- */
struct pix_buf *draw_move_meas(struct inst *inst, struct draw_ctx *ctx,
struct coord pos, int i)
{
return draw_move_line_common(inst, inst->u.meas.end, ctx, pos, i);
}
static int end_new_meas(struct draw_ctx *ctx,
struct inst *from, struct inst *to)
{
struct obj *obj;
if (from == to)
return 0;
obj = new_obj(ot_meas, from);
obj->u.meas.other = inst_get_ref(to);
obj->u.meas.offset = parse_expr("0mm");
return 1;
}
static struct tool_ops meas_ops = {
.drag_new = NULL,
.end_new = end_new_meas,
};
/* ----- 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 remove_child(GtkWidget *widget, gpointer data)
{
gtk_container_remove(GTK_CONTAINER(data), widget);
}
static void set_frame_image(GtkWidget *image)
{
gtk_container_foreach(GTK_CONTAINER(ev_frame), remove_child, ev_frame);
gtk_container_add(GTK_CONTAINER(ev_frame), image);
gtk_widget_show_all(ev_frame);
}
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 draw_ctx *ctx,
struct coord pos, int i)
{
struct pix_buf *buf;
int r = FRAME_EYE_R2;
pos = translate(ctx, 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;
}
static int end_new_frame(struct draw_ctx *ctx,
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;
locked_frame = NULL;
tool_frame_update();
return 1;
}
static struct tool_ops frame_ops = {
.tool_selected = tool_selected_frame,
.drag_new = NULL,
.end_new = end_new_frame,
};
/* ----- moving references ------------------------------------------------- */
@ -398,7 +622,7 @@ static int would_be_equal(const struct drag_state *state,
static int may_move_to(const struct drag_state *state, struct inst *curr)
{
assert(selected_inst);
assert(drag.inst);
assert(state->anchors_n);
switch (state->anchors_n) {
case 3:
@ -478,10 +702,24 @@ int tool_consider_drag(struct draw_ctx *ctx, struct coord pos)
return 0;
pix_buf = NULL;
if (active_ops) {
drag.new = curr;
return 1;
if (active_ops->drag_new) {
drag.inst = NULL;
drag.new = curr;
return 1;
} else {
/* object is created without dragging */
if (active_ops->end_new(ctx, curr, NULL)) {
tool_cancel_drag(ctx);
return -1;
}
return 0;
}
}
return may_move(curr);
if (!may_move(curr))
return 0;
drag.inst = selected_inst;
drag.new = NULL;
return 1;
}
@ -491,7 +729,7 @@ void tool_drag(struct draw_ctx *ctx, struct coord to)
restore_pix_buf(pix_buf);
tool_hover(ctx, to);
pix_buf = drag.new ? active_ops->drag_new(ctx, drag.new, to) :
inst_draw_move(selected_inst, ctx, to, drag.anchor_i);
inst_draw_move(drag.inst, ctx, to, drag.anchor_i);
}
@ -514,6 +752,8 @@ int tool_end_drag(struct draw_ctx *ctx, struct coord to)
struct tool_ops *ops = active_ops;
tool_cancel_drag(ctx);
if (state.new && ops->end_new_raw)
return ops->end_new_raw(ctx, state.new, to);
end = inst_find_point(ctx, to);
if (!end)
return 0;
@ -521,7 +761,7 @@ int tool_end_drag(struct draw_ctx *ctx, struct coord to)
return ops->end_new(ctx, state.new, end);
if (!may_move_to(&state, end))
return 0;
if (!inst_do_move_to(selected_inst, inst_get_vec(end), state.anchor_i))
if (!inst_do_move_to(drag.inst, inst_get_vec(end), state.anchor_i))
do_move_to(&state, end);
return 1;
}
@ -543,6 +783,8 @@ static void tool_select(GtkWidget *evbox, struct tool_ops *ops)
gtk_widget_modify_bg(evbox, GTK_STATE_NORMAL, &col);
active_tool = evbox;
active_ops = ops;
if (ops && ops->tool_selected)
ops->tool_selected();
}
@ -560,10 +802,21 @@ static gboolean tool_button_press_event(GtkWidget *widget,
}
static GtkWidget *make_image(GdkDrawable *drawable, char **xpm)
{
GdkPixmap *pixmap;
GtkWidget *image;
pixmap = gdk_pixmap_create_from_xpm_d(drawable, NULL, NULL, xpm);
image = gtk_image_new_from_pixmap(pixmap, NULL);
gtk_misc_set_padding(GTK_MISC(image), 1, 1);
return image;
}
static GtkWidget *tool_button(GtkWidget *bar, GdkDrawable *drawable,
char **xpm, GtkWidget *last_evbox, struct tool_ops *ops)
{
GdkPixmap *pixmap;
GtkWidget *image, *evbox;
GtkToolItem *item;
GtkToolItem *last = NULL;
@ -571,8 +824,6 @@ static GtkWidget *tool_button(GtkWidget *bar, GdkDrawable *drawable,
if (last_evbox)
last = GTK_TOOL_ITEM(gtk_widget_get_ancestor(last_evbox,
GTK_TYPE_TOOL_ITEM));
pixmap = gdk_pixmap_create_from_xpm_d(drawable, NULL, NULL, xpm);
image = gtk_image_new_from_pixmap(pixmap, NULL);
/*
* gtk_radio_tool_button_new_from_widget is *huge*. we try to do things in a
@ -587,8 +838,10 @@ static GtkWidget *tool_button(GtkWidget *bar, GdkDrawable *drawable,
gtk_tool_button_set_icon_widget(GTK_TOOL_BUTTON(item), image);
#else
evbox = gtk_event_box_new();
gtk_misc_set_padding(GTK_MISC(image), 1, 1);
gtk_container_add(GTK_CONTAINER(evbox), image);
if (xpm) {
image = make_image(drawable, xpm);
gtk_container_add(GTK_CONTAINER(evbox), image);
}
g_signal_connect(G_OBJECT(evbox), "button_press_event",
G_CALLBACK(tool_button_press_event), ops);
@ -616,13 +869,21 @@ GtkWidget *gui_setup_tools(GdkDrawable *drawable)
ev_point = tool_button(bar, drawable, xpm_point, NULL, NULL);
last = tool_button(bar, drawable, xpm_vec, ev_point, &vec_ops);
last = tool_button(bar, drawable, xpm_frame, last, &frame_ops);
ev_frame = tool_button(bar, drawable, NULL, last, &frame_ops);
last = ev_frame;
last = tool_button(bar, drawable, xpm_pad, last, &pad_ops);
last = tool_button(bar, drawable, xpm_line, last, &line_ops);
last = tool_button(bar, drawable, xpm_rect, last, &rect_ops);
last = tool_button(bar, drawable, xpm_circ, last, &circ_ops);
last = tool_button(bar, drawable, xpm_meas, last, &meas_ops);
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);
tool_reset();
return bar;

View File

@ -19,6 +19,8 @@
#include "inst.h"
struct pix_buf *draw_move_vec(struct inst *inst, struct draw_ctx *ctx,
struct coord pos, int i);
struct pix_buf *draw_move_line(struct inst *inst, struct draw_ctx *ctx,
struct coord pos, int i);
struct pix_buf *draw_move_rect(struct inst *inst, struct draw_ctx *ctx,
@ -27,6 +29,10 @@ struct pix_buf *draw_move_pad(struct inst *inst, struct draw_ctx *ctx,
struct coord pos, int i);
struct pix_buf *draw_move_arc(struct inst *inst, struct draw_ctx *ctx,
struct coord pos, int i);
struct pix_buf *draw_move_meas(struct inst *inst, struct draw_ctx *ctx,
struct coord pos, int i);
struct pix_buf *draw_move_frame(struct inst *inst, struct draw_ctx *ctx,
struct coord pos, int i);
void do_move_to_arc(struct inst *inst, struct vec *vec, int i);
@ -37,6 +43,13 @@ void tool_drag(struct draw_ctx *ctx, struct coord to);
void tool_cancel_drag(struct draw_ctx *ctx);
int tool_end_drag(struct draw_ctx *ctx, struct coord to);
/*
* Cache the frame and track it.
*/
void tool_frame_update(void);
void tool_frame_deleted(const struct frame *frame);
void tool_reset(void);
GtkWidget *gui_setup_tools(GdkDrawable *drawable);

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@ -7,8 +7,10 @@ A4
Single
-2
1200 2
6 3750 3225 5775 4200
2 1 0 10 12 7 50 -1 -1 0.000 0 0 -1 0 0 3
3900 4125 3900 3525 5700 3525
4 0 12 50 -1 22 42 0.0000 4 135 450 3750 3375 FRAME\001
-6
2 2 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 5
3600 2400 6000 2400 6000 4800 3600 4800 3600 2400
2 1 0 10 12 7 50 -1 -1 0.000 0 0 -1 0 0 3
3900 4275 3900 3675 5700 3675
4 0 12 50 -1 22 42 0.0000 4 135 450 3750 3525 FRAME\001

17
icons/frame_locked.fig Normal file
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@ -0,0 +1,17 @@
#FIG 3.2 Produced by xfig version 3.2.5a
Landscape
Center
Inches
A4
100.00
Single
-2
1200 2
6 3750 3225 5775 4200
2 1 0 10 12 7 50 -1 -1 0.000 0 0 -1 0 0 3
3900 4125 3900 3525 5700 3525
4 0 12 50 -1 22 42 0.0000 4 135 450 3750 3375 FRAME\001
-6
1 3 0 0 0 0 50 -1 20 0.000 1 0.0000 5400 4200 375 375 5400 4200 5775 4200
2 2 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 5
3600 2400 6000 2400 6000 4800 3600 4800 3600 2400

15
icons/frame_ready.fig Normal file
View File

@ -0,0 +1,15 @@
#FIG 3.2 Produced by xfig version 3.2.5a
Landscape
Center
Inches
A4
100.00
Single
-2
1200 2
1 3 0 0 0 12 50 -1 20 0.000 1 0.0000 5400 4200 375 375 5400 4200 5775 4200
2 2 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 5
3600 2400 6000 2400 6000 4800 3600 4800 3600 2400
2 1 0 10 12 7 50 -1 -1 0.000 0 0 -1 0 0 3
3900 4125 3900 3525 5700 3525
4 0 12 50 -1 22 42 0.0000 4 135 450 3750 3375 FRAME\001

7
inst.c
View File

@ -185,7 +185,7 @@ struct inst *inst_find_point(const struct draw_ctx *ctx, struct coord pos)
found = NULL;
for (inst = insts[ip_frame]; inst; inst = inst->next) {
if (!inst->active)
if (!inst->u.frame.active)
continue;
dist = gui_dist_frame_eye(inst, pos, ctx->scale);
if (dist >= 0 && (!found || best_dist > dist)) {
@ -385,6 +385,7 @@ static struct inst_ops vec_ops = {
.distance = gui_dist_vec,
.select = vec_op_select,
.anchors = vec_op_anchors,
.draw_move = draw_move_vec,
};
@ -671,6 +672,7 @@ static struct inst_ops meas_ops = {
.distance = gui_dist_meas,
.select = meas_op_select,
.anchors = meas_op_anchors,
.draw_move = draw_move_meas,
};
@ -726,7 +728,7 @@ static void frame_op_select(struct inst *self)
static int frame_op_anchors(struct inst *inst, struct vec ***anchors)
{
anchors[0] = &inst->vec->base;
anchors[0] = &inst->obj->base;
return 1;
}
@ -738,6 +740,7 @@ static struct inst_ops frame_ops = {
.distance = gui_dist_frame,
.select = frame_op_select,
.anchors = frame_op_anchors,
.draw_move = draw_move_frame,
};