r5410 - trunk/eda/fped

werner at docs.openmoko.org werner at docs.openmoko.org
Sat Aug 8 21:44:17 CEST 2009


Author: werner
Date: 2009-08-08 21:44:17 +0200 (Sat, 08 Aug 2009)
New Revision: 5410

Added:
   trunk/eda/fped/gui_tool.c
   trunk/eda/fped/gui_tool.h
Removed:
   trunk/eda/fped/gui_tools.c
   trunk/eda/fped/gui_tools.h
Modified:
   trunk/eda/fped/Makefile
   trunk/eda/fped/gui.c
   trunk/eda/fped/gui_canvas.c
   trunk/eda/fped/gui_frame.c
   trunk/eda/fped/gui_meas.c
   trunk/eda/fped/inst.c
Log:
- for consistency, renamed gui_tools to gui_tool



Modified: trunk/eda/fped/Makefile
===================================================================
--- trunk/eda/fped/Makefile	2009-08-08 19:35:16 UTC (rev 5409)
+++ trunk/eda/fped/Makefile	2009-08-08 19:44:17 UTC (rev 5410)
@@ -14,7 +14,7 @@
        unparse.o dump.o meas.o \
        cpp.o lex.yy.o y.tab.o \
        gui.o gui_util.o gui_style.o gui_inst.o gui_status.o gui_canvas.o \
-       gui_tools.o gui_over.o gui_meas.o gui_frame.o
+       gui_tool.o gui_over.o gui_meas.o gui_frame.o
 
 XPMS = point.xpm delete.xpm vec.xpm frame.xpm frame_locked.xpm frame_ready.xpm \
        line.xpm rect.xpm pad.xpm circ.xpm meas.xpm meas_x.xpm meas_y.xpm
@@ -95,7 +95,7 @@
 y.tab.o:	y.tab.c
 		$(CC) -c $(CFLAGS) $(SLOPPY) y.tab.c
 
-gui_tools.o:	$(XPMS:%=icons/%)
+gui_tool.o:	$(XPMS:%=icons/%)
 
 # ----- Dependencies ----------------------------------------------------------
 

Modified: trunk/eda/fped/gui.c
===================================================================
--- trunk/eda/fped/gui.c	2009-08-08 19:35:16 UTC (rev 5409)
+++ trunk/eda/fped/gui.c	2009-08-08 19:44:17 UTC (rev 5410)
@@ -20,7 +20,7 @@
 #include "gui_style.h"
 #include "gui_status.h"
 #include "gui_canvas.h"
-#include "gui_tools.h"
+#include "gui_tool.h"
 #include "gui_frame.h"
 #include "gui.h"
 

Modified: trunk/eda/fped/gui_canvas.c
===================================================================
--- trunk/eda/fped/gui_canvas.c	2009-08-08 19:35:16 UTC (rev 5409)
+++ trunk/eda/fped/gui_canvas.c	2009-08-08 19:44:17 UTC (rev 5410)
@@ -22,7 +22,7 @@
 #include "gui_inst.h"
 #include "gui_style.h"
 #include "gui_status.h"
-#include "gui_tools.h"
+#include "gui_tool.h"
 #include "gui.h"
 #include "gui_canvas.h"
 

Modified: trunk/eda/fped/gui_frame.c
===================================================================
--- trunk/eda/fped/gui_frame.c	2009-08-08 19:35:16 UTC (rev 5409)
+++ trunk/eda/fped/gui_frame.c	2009-08-08 19:44:17 UTC (rev 5410)
@@ -23,7 +23,7 @@
 #include "gui_util.h"
 #include "gui_style.h"
 #include "gui_status.h"
-#include "gui_tools.h"
+#include "gui_tool.h"
 #include "gui.h"
 #include "gui_frame.h"
 

Modified: trunk/eda/fped/gui_meas.c
===================================================================
--- trunk/eda/fped/gui_meas.c	2009-08-08 19:35:16 UTC (rev 5409)
+++ trunk/eda/fped/gui_meas.c	2009-08-08 19:44:17 UTC (rev 5410)
@@ -14,7 +14,7 @@
 #include "util.h"
 #include "meas.h"
 #include "gui_canvas.h"
-#include "gui_tools.h"
+#include "gui_tool.h"
 #include "gui_meas.h"
 
 

Copied: trunk/eda/fped/gui_tool.c (from rev 5407, trunk/eda/fped/gui_tools.c)
===================================================================
--- trunk/eda/fped/gui_tool.c	                        (rev 0)
+++ trunk/eda/fped/gui_tool.c	2009-08-08 19:44:17 UTC (rev 5410)
@@ -0,0 +1,959 @@
+/*
+ * 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/point.xpm"
+#include "icons/delete.xpm"
+#include "icons/rect.xpm"
+#include "icons/vec.xpm"
+
+
+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 */
+	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;
+	vec->samples = NULL;
+	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)
+{
+	struct obj *obj, **walk;
+
+	obj = alloc_type(struct obj);
+	obj->type = type;
+	obj->frame = active_frame;
+	obj->base = inst_get_vec(base);
+	obj->next = NULL;
+	obj->lineno = 0;
+	for (walk = &active_frame->objs; *walk; walk = &(*walk)->next);
+	*walk = 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 click_delete(struct coord pos)
+{
+	inst_deselect();
+	inst_select(pos);
+	if (selected_inst) {
+		tool_dehover();
+		inst_delete(selected_inst);
+	}
+	change_world();
+	tool_reset();
+}
+
+
+static struct tool_ops delete_ops = {
+	.click		= click_delete,
+};
+
+
+/* ----- vec --------------------------------------------------------------- */
+
+
+static struct coord gridify(struct coord base, struct coord pos)
+{
+	struct coord new;
+	unit_type unit = mm_to_units(0.1);
+
+	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 =");
+	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(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.rect.end, inst->base), pos), pos, i);
+}
+
+
+struct pix_buf *gui_hover_vec(struct inst *self)
+{
+	return hover_common(gc_vec[mode_hover],
+	    self->u.rect.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);
+	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 -------------------------------------------------------------- */
+
+
+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("?");
+	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,
+};
+
+
+/* ----- 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 1:
+		from = pos;
+		if (inst->obj->u.arc.start != inst->obj->u.arc.end)
+			break;
+		/* fall through */
+	case 2:
+		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 == 2) {
+		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 vec *vec, int i)
+{
+	struct obj *obj = inst->obj;
+	int is_circle;
+
+	is_circle = obj->u.arc.start == obj->u.arc.end;
+	switch (i) {
+	case 0:
+		obj->base = vec;
+		break;
+	case 1:
+		obj->u.arc.start = vec;
+		if (!is_circle)
+			break;
+		/* fall through */
+	case 2:
+		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 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 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();
+	return 1;
+}
+
+
+static struct tool_ops frame_ops = {
+	.tool_selected	= tool_selected_frame,
+	.drag_new	= NULL,
+	.end_new	= end_new_frame,
+};
+
+
+/* ----- moving references ------------------------------------------------- */
+
+
+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;
+}
+
+
+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(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;
+}
+
+
+void tool_hover(struct coord pos)
+{
+	struct inst *curr;
+
+	if (active_ops && active_ops->find_point)
+		curr = active_ops->find_point(pos);
+	else
+		curr = inst_find_point(pos);
+	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;
+		}
+	}
+	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);
+	}
+}
+
+
+int tool_consider_drag(struct coord pos)
+{
+	struct inst *curr;
+
+	assert(!drag.new);
+	assert(!drag.anchors_n);
+	last_canvas_pos = translate(pos);
+	if (active_ops && active_ops->click) {
+		active_ops->click(pos);
+		return 0;
+	}
+	if (active_ops && active_ops->find_point)
+		curr = active_ops->find_point(pos);
+	else
+		curr = inst_find_point(pos);
+	if (!curr)
+		return 0;
+	tool_dehover();
+	if (active_ops) {
+		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;
+		} else {
+			/* object is created without dragging */
+			if (active_ops->end_new(curr, NULL)) {
+				tool_cancel_drag();
+				return -1;
+			}
+			return 0;
+		}
+	}
+	if (!may_move(curr))
+		return 0;
+	drag.inst = selected_inst;
+	drag.new = NULL;
+	over_begin(drag_save_and_draw, NULL, pos);
+	return 1;
+}
+
+
+void tool_drag(struct coord to)
+{
+	last_canvas_pos = translate(to);
+	over_move(to);
+}
+
+
+void tool_cancel_drag(void)
+{
+	over_end();
+	tool_dehover();
+	tool_reset();
+	drag.new = NULL;
+	active_ops = NULL;
+	drag.anchors_n = 0;
+}
+
+
+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 (ops->find_point)
+		end = ops->find_point(to);
+	else
+		end = inst_find_point(to);
+	if (!end)
+		return 0;
+	if (state.new)
+		return ops->end_new(state.new, end);
+	if (!may_move_to(&state, end))
+		return 0;
+	if (!inst_do_move_to(drag.inst, inst_get_vec(end), state.anchor_i))
+		do_move_to(&state, end);
+	return 1;
+}
+
+
+void tool_redraw(void)
+{
+	over_reset();
+	if (!drag.new && !drag.anchors_n)
+		return;
+	tool_hover(last_canvas_pos);
+	over_begin(drag_save_and_draw, NULL,
+	    canvas_to_coord(last_canvas_pos.x, last_canvas_pos.y));
+}
+
+
+/* ----- 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(TOOL_UNSELECTED);
+		gtk_widget_modify_bg(active_tool, GTK_STATE_NORMAL, &col);
+		active_tool = NULL;
+	}
+	col = get_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();
+	tool_select(ev_point, NULL);
+}
+
+
+static gboolean tool_button_press_event(GtkWidget *widget,
+    GdkEventButton *event, gpointer data)
+{
+	tool_select(widget, data);
+	return TRUE;
+}
+
+
+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)
+{
+	GtkWidget *image, *evbox;	
+	GtkToolItem *item;
+	GtkToolItem *last = NULL;
+
+	if (last_evbox)
+		last = GTK_TOOL_ITEM(gtk_widget_get_ancestor(last_evbox,
+		    GTK_TYPE_TOOL_ITEM));
+
+/*
+ * gtk_radio_tool_button_new_from_widget is *huge*. we try to do things in a
+ * more compact way.
+ */
+#if 0
+	if (last)
+		item = gtk_radio_tool_button_new_from_widget(
+		    GTK_RADIO_TOOL_BUTTON(last));
+	else
+		item = gtk_radio_tool_button_new(NULL);
+	gtk_tool_button_set_icon_widget(GTK_TOOL_BUTTON(item), image);
+#else
+	evbox = gtk_event_box_new();
+	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);
+
+	item = gtk_tool_item_new();
+	gtk_container_add(GTK_CONTAINER(item), evbox);
+
+	gtk_container_set_border_width(GTK_CONTAINER(item), 0);
+#endif
+
+	gtk_toolbar_insert(GTK_TOOLBAR(bar), item, -1);
+
+	return evbox;
+}
+
+
+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;
+	GtkWidget *last;
+
+	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, NULL, NULL);
+	last = tool_button(bar, drawable, xpm_delete, ev_point, &delete_ops);
+	tool_separator(bar);
+	last = tool_button(bar, drawable, xpm_vec, last, &vec_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);
+	tool_separator(bar);
+	last = tool_button(bar, drawable, xpm_meas, last, &meas_ops);
+	last = tool_button(bar, drawable, xpm_meas_x, last, &meas_ops_x);
+	last = tool_button(bar, drawable, xpm_meas_y, last, &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);
+
+	tool_reset();
+
+	return bar;
+}

Copied: trunk/eda/fped/gui_tool.h (from rev 5407, trunk/eda/fped/gui_tools.h)
===================================================================
--- trunk/eda/fped/gui_tool.h	                        (rev 0)
+++ trunk/eda/fped/gui_tool.h	2009-08-08 19:44:17 UTC (rev 5410)
@@ -0,0 +1,78 @@
+/*
+ * gui_tool.h - 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.
+ */
+
+
+#ifndef GUI_TOOL_H
+#define	GUI_TOOL_H
+
+#include <gtk/gtk.h>
+
+#include "inst.h"
+
+
+struct tool_ops {
+	void (*tool_selected)(void);
+	void (*tool_deselected)(void);
+	struct inst *(*find_point)(struct coord pos);
+	void (*click)(struct coord pos);
+	void (*begin_drag_new)(struct inst *from);
+// in inst
+//	void (*begin_drag_move)struct inst *from, int anchor_i);
+	struct pix_buf *(*drag_new)(struct inst *from, struct coord to);
+	int (*end_new_raw)(struct inst *from, struct coord to);
+	int (*end_new)(struct inst *from, struct inst *to);
+};
+
+
+struct pix_buf *draw_move_vec(struct inst *inst, struct coord pos, int i);
+struct pix_buf *draw_move_line(struct inst *inst, struct coord pos, int i);
+struct pix_buf *draw_move_rect(struct inst *inst, struct coord pos, int i);
+struct pix_buf *draw_move_pad(struct inst *inst, struct coord pos, int i);
+struct pix_buf *draw_move_arc(struct inst *inst, struct coord pos, int i);
+struct pix_buf *draw_move_meas(struct inst *inst, struct coord pos, int i);
+struct pix_buf *draw_move_frame(struct inst *inst, struct coord pos, int i);
+
+struct pix_buf *gui_hover_vec(struct inst *self);
+struct pix_buf *gui_hover_frame(struct inst *self);
+
+void do_move_to_arc(struct inst *inst, struct vec *vec, int i);
+
+void tool_dehover(void);
+void tool_hover(struct coord pos);
+int tool_consider_drag(struct coord pos);
+void tool_drag(struct coord to);
+void tool_cancel_drag(void);
+int tool_end_drag(struct coord to);
+void tool_redraw(void);
+
+/*
+ * The following functions are for measurements which are now in a separate
+ * compilation unit.
+ */
+
+struct pix_buf *draw_move_line_common(struct inst *inst,
+    struct coord end, struct coord pos, int i);
+struct pix_buf *drag_new_line(struct inst *from, 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);
+
+#endif /* !GUI_TOOL_H */

Deleted: trunk/eda/fped/gui_tools.c
===================================================================
--- trunk/eda/fped/gui_tools.c	2009-08-08 19:35:16 UTC (rev 5409)
+++ trunk/eda/fped/gui_tools.c	2009-08-08 19:44:17 UTC (rev 5410)
@@ -1,959 +0,0 @@
-/*
- * gui_tools.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_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/meas_x.xpm"
-#include "icons/meas_y.xpm"
-#include "icons/pad.xpm"
-#include "icons/point.xpm"
-#include "icons/delete.xpm"
-#include "icons/rect.xpm"
-#include "icons/vec.xpm"
-
-
-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 */
-	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;
-	vec->samples = NULL;
-	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)
-{
-	struct obj *obj, **walk;
-
-	obj = alloc_type(struct obj);
-	obj->type = type;
-	obj->frame = active_frame;
-	obj->base = inst_get_vec(base);
-	obj->next = NULL;
-	obj->lineno = 0;
-	for (walk = &active_frame->objs; *walk; walk = &(*walk)->next);
-	*walk = 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 click_delete(struct coord pos)
-{
-	inst_deselect();
-	inst_select(pos);
-	if (selected_inst) {
-		tool_dehover();
-		inst_delete(selected_inst);
-	}
-	change_world();
-	tool_reset();
-}
-
-
-static struct tool_ops delete_ops = {
-	.click		= click_delete,
-};
-
-
-/* ----- vec --------------------------------------------------------------- */
-
-
-static struct coord gridify(struct coord base, struct coord pos)
-{
-	struct coord new;
-	unit_type unit = mm_to_units(0.1);
-
-	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 =");
-	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(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.rect.end, inst->base), pos), pos, i);
-}
-
-
-struct pix_buf *gui_hover_vec(struct inst *self)
-{
-	return hover_common(gc_vec[mode_hover],
-	    self->u.rect.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);
-	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 -------------------------------------------------------------- */
-
-
-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("?");
-	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,
-};
-
-
-/* ----- 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 1:
-		from = pos;
-		if (inst->obj->u.arc.start != inst->obj->u.arc.end)
-			break;
-		/* fall through */
-	case 2:
-		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 == 2) {
-		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 vec *vec, int i)
-{
-	struct obj *obj = inst->obj;
-	int is_circle;
-
-	is_circle = obj->u.arc.start == obj->u.arc.end;
-	switch (i) {
-	case 0:
-		obj->base = vec;
-		break;
-	case 1:
-		obj->u.arc.start = vec;
-		if (!is_circle)
-			break;
-		/* fall through */
-	case 2:
-		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 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 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();
-	return 1;
-}
-
-
-static struct tool_ops frame_ops = {
-	.tool_selected	= tool_selected_frame,
-	.drag_new	= NULL,
-	.end_new	= end_new_frame,
-};
-
-
-/* ----- moving references ------------------------------------------------- */
-
-
-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;
-}
-
-
-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(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;
-}
-
-
-void tool_hover(struct coord pos)
-{
-	struct inst *curr;
-
-	if (active_ops && active_ops->find_point)
-		curr = active_ops->find_point(pos);
-	else
-		curr = inst_find_point(pos);
-	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;
-		}
-	}
-	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);
-	}
-}
-
-
-int tool_consider_drag(struct coord pos)
-{
-	struct inst *curr;
-
-	assert(!drag.new);
-	assert(!drag.anchors_n);
-	last_canvas_pos = translate(pos);
-	if (active_ops && active_ops->click) {
-		active_ops->click(pos);
-		return 0;
-	}
-	if (active_ops && active_ops->find_point)
-		curr = active_ops->find_point(pos);
-	else
-		curr = inst_find_point(pos);
-	if (!curr)
-		return 0;
-	tool_dehover();
-	if (active_ops) {
-		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;
-		} else {
-			/* object is created without dragging */
-			if (active_ops->end_new(curr, NULL)) {
-				tool_cancel_drag();
-				return -1;
-			}
-			return 0;
-		}
-	}
-	if (!may_move(curr))
-		return 0;
-	drag.inst = selected_inst;
-	drag.new = NULL;
-	over_begin(drag_save_and_draw, NULL, pos);
-	return 1;
-}
-
-
-void tool_drag(struct coord to)
-{
-	last_canvas_pos = translate(to);
-	over_move(to);
-}
-
-
-void tool_cancel_drag(void)
-{
-	over_end();
-	tool_dehover();
-	tool_reset();
-	drag.new = NULL;
-	active_ops = NULL;
-	drag.anchors_n = 0;
-}
-
-
-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 (ops->find_point)
-		end = ops->find_point(to);
-	else
-		end = inst_find_point(to);
-	if (!end)
-		return 0;
-	if (state.new)
-		return ops->end_new(state.new, end);
-	if (!may_move_to(&state, end))
-		return 0;
-	if (!inst_do_move_to(drag.inst, inst_get_vec(end), state.anchor_i))
-		do_move_to(&state, end);
-	return 1;
-}
-
-
-void tool_redraw(void)
-{
-	over_reset();
-	if (!drag.new && !drag.anchors_n)
-		return;
-	tool_hover(last_canvas_pos);
-	over_begin(drag_save_and_draw, NULL,
-	    canvas_to_coord(last_canvas_pos.x, last_canvas_pos.y));
-}
-
-
-/* ----- 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(TOOL_UNSELECTED);
-		gtk_widget_modify_bg(active_tool, GTK_STATE_NORMAL, &col);
-		active_tool = NULL;
-	}
-	col = get_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();
-	tool_select(ev_point, NULL);
-}
-
-
-static gboolean tool_button_press_event(GtkWidget *widget,
-    GdkEventButton *event, gpointer data)
-{
-	tool_select(widget, data);
-	return TRUE;
-}
-
-
-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)
-{
-	GtkWidget *image, *evbox;	
-	GtkToolItem *item;
-	GtkToolItem *last = NULL;
-
-	if (last_evbox)
-		last = GTK_TOOL_ITEM(gtk_widget_get_ancestor(last_evbox,
-		    GTK_TYPE_TOOL_ITEM));
-
-/*
- * gtk_radio_tool_button_new_from_widget is *huge*. we try to do things in a
- * more compact way.
- */
-#if 0
-	if (last)
-		item = gtk_radio_tool_button_new_from_widget(
-		    GTK_RADIO_TOOL_BUTTON(last));
-	else
-		item = gtk_radio_tool_button_new(NULL);
-	gtk_tool_button_set_icon_widget(GTK_TOOL_BUTTON(item), image);
-#else
-	evbox = gtk_event_box_new();
-	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);
-
-	item = gtk_tool_item_new();
-	gtk_container_add(GTK_CONTAINER(item), evbox);
-
-	gtk_container_set_border_width(GTK_CONTAINER(item), 0);
-#endif
-
-	gtk_toolbar_insert(GTK_TOOLBAR(bar), item, -1);
-
-	return evbox;
-}
-
-
-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;
-	GtkWidget *last;
-
-	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, NULL, NULL);
-	last = tool_button(bar, drawable, xpm_delete, ev_point, &delete_ops);
-	tool_separator(bar);
-	last = tool_button(bar, drawable, xpm_vec, last, &vec_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);
-	tool_separator(bar);
-	last = tool_button(bar, drawable, xpm_meas, last, &meas_ops);
-	last = tool_button(bar, drawable, xpm_meas_x, last, &meas_ops_x);
-	last = tool_button(bar, drawable, xpm_meas_y, last, &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);
-
-	tool_reset();
-
-	return bar;
-}

Deleted: trunk/eda/fped/gui_tools.h
===================================================================
--- trunk/eda/fped/gui_tools.h	2009-08-08 19:35:16 UTC (rev 5409)
+++ trunk/eda/fped/gui_tools.h	2009-08-08 19:44:17 UTC (rev 5410)
@@ -1,78 +0,0 @@
-/*
- * gui_tools.h - 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.
- */
-
-
-#ifndef GUI_TOOLS_H
-#define	GUI_TOOLS_H
-
-#include <gtk/gtk.h>
-
-#include "inst.h"
-
-
-struct tool_ops {
-	void (*tool_selected)(void);
-	void (*tool_deselected)(void);
-	struct inst *(*find_point)(struct coord pos);
-	void (*click)(struct coord pos);
-	void (*begin_drag_new)(struct inst *from);
-// in inst
-//	void (*begin_drag_move)struct inst *from, int anchor_i);
-	struct pix_buf *(*drag_new)(struct inst *from, struct coord to);
-	int (*end_new_raw)(struct inst *from, struct coord to);
-	int (*end_new)(struct inst *from, struct inst *to);
-};
-
-
-struct pix_buf *draw_move_vec(struct inst *inst, struct coord pos, int i);
-struct pix_buf *draw_move_line(struct inst *inst, struct coord pos, int i);
-struct pix_buf *draw_move_rect(struct inst *inst, struct coord pos, int i);
-struct pix_buf *draw_move_pad(struct inst *inst, struct coord pos, int i);
-struct pix_buf *draw_move_arc(struct inst *inst, struct coord pos, int i);
-struct pix_buf *draw_move_meas(struct inst *inst, struct coord pos, int i);
-struct pix_buf *draw_move_frame(struct inst *inst, struct coord pos, int i);
-
-struct pix_buf *gui_hover_vec(struct inst *self);
-struct pix_buf *gui_hover_frame(struct inst *self);
-
-void do_move_to_arc(struct inst *inst, struct vec *vec, int i);
-
-void tool_dehover(void);
-void tool_hover(struct coord pos);
-int tool_consider_drag(struct coord pos);
-void tool_drag(struct coord to);
-void tool_cancel_drag(void);
-int tool_end_drag(struct coord to);
-void tool_redraw(void);
-
-/*
- * The following functions are for measurements which are now in a separate
- * compilation unit.
- */
-
-struct pix_buf *draw_move_line_common(struct inst *inst,
-    struct coord end, struct coord pos, int i);
-struct pix_buf *drag_new_line(struct inst *from, 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);
-
-#endif /* !GUI_TOOLS_H */

Modified: trunk/eda/fped/inst.c
===================================================================
--- trunk/eda/fped/inst.c	2009-08-08 19:35:16 UTC (rev 5409)
+++ trunk/eda/fped/inst.c	2009-08-08 19:44:17 UTC (rev 5410)
@@ -22,7 +22,7 @@
 #include "delete.h"
 #include "gui_util.h"
 #include "gui_status.h"
-#include "gui_tools.h"
+#include "gui_tool.h"
 #include "gui_inst.h"
 #include "inst.h"
 




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