mirror of
git://projects.qi-hardware.com/fped.git
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2dffbfeaa9
segfault, failure to update the screen content, and assigning of invalid references. - gui_tools.c: removed duplicate (harmless) line - inst.c: when moving a vector to a new base, we may have to reorder the list so that the assertion vectors always follow their bases is still maintained. git-svn-id: http://svn.openmoko.org/trunk/eda/fped@5713 99fdad57-331a-0410-800a-d7fa5415bdb3
1093 lines
23 KiB
C
1093 lines
23 KiB
C
/*
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* gui_tool.c - GUI, tool bar
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*
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* Written 2009 by Werner Almesberger
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* Copyright 2009 by Werner Almesberger
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <stdlib.h>
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#include <math.h>
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#include <assert.h>
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#include <gtk/gtk.h>
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#include "util.h"
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#include "inst.h"
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#include "obj.h"
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#include "gui_util.h"
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#include "gui_style.h"
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#include "gui_inst.h"
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#include "gui_over.h"
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#include "gui_canvas.h"
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#include "gui_status.h"
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#include "gui.h"
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#include "gui_meas.h"
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#include "gui_tool.h"
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#include "icons/circ.xpm"
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#include "icons/frame.xpm"
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#include "icons/frame_locked.xpm"
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#include "icons/frame_ready.xpm"
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#include "icons/line.xpm"
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#include "icons/meas.xpm"
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#include "icons/meas_x.xpm"
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#include "icons/meas_y.xpm"
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#include "icons/pad.xpm"
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#include "icons/rpad.xpm"
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#include "icons/point.xpm"
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#include "icons/delete.xpm"
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#include "icons/delete_off.xpm"
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#include "icons/rect.xpm"
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#include "icons/vec.xpm"
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static GtkWidget *ev_point, *ev_delete, *ev_frame;
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static GtkWidget *active_tool;
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static struct tool_ops *active_ops = NULL;
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static struct inst *hover_inst = NULL;
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static GtkWidget *frame_image, *frame_image_locked, *frame_image_ready;
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static GtkWidget *delete_image[2];
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static struct drag_state {
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struct inst *inst; /* non-NULL if dragging an existing object */
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struct inst *new; /* non-NULL if dragging a new object */
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int anchors_n; /* number of anchors, 0 if no moving */
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int anchor_i; /* current anchor */
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struct vec **anchors[3];
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} drag = {
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.new = NULL,
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.anchors_n = 0,
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};
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static struct coord last_canvas_pos;
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static struct vec *new_vec(struct inst *base)
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{
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struct vec *vec, **walk;
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vec = alloc_type(struct vec);
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vec->name = NULL;
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vec->base = inst_get_vec(base);
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vec->next = NULL;
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vec->frame = active_frame;
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for (walk = &active_frame->vecs; *walk; walk = &(*walk)->next);
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*walk = vec;
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return vec;
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}
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struct obj *new_obj_unconnected(enum obj_type type, struct inst *base)
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{
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struct obj *obj;
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obj = alloc_type(struct obj);
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obj->type = type;
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obj->frame = active_frame;
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obj->base = inst_get_vec(base);
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obj->next = NULL;
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obj->lineno = 0;
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return obj;
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}
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void connect_obj(struct frame *frame, struct obj *obj)
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{
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struct obj **walk;
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obj->frame = frame;
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for (walk = &frame->objs; *walk; walk = &(*walk)->next);
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*walk = obj;
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}
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static struct obj *new_obj(enum obj_type type, struct inst *base)
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{
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struct obj *obj;
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obj = new_obj_unconnected(type, base);
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connect_obj(active_frame, obj);
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return obj;
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}
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/* ----- shared functions -------------------------------------------------- */
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struct pix_buf *draw_move_line_common(struct inst *inst,
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struct coord end, struct coord pos, int i)
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{
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struct coord from, to;
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struct pix_buf *buf;
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from = translate(inst->base);
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to = translate(end);
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pos = translate(pos);
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switch (i) {
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case 0:
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from = pos;
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break;
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case 1:
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to = pos;
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break;
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default:
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abort();
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}
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buf = save_pix_buf(DA, from.x, from.y, to.x, to.y, 1);
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gdk_draw_line(DA, gc_drag, from.x, from.y, to.x, to.y);
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return buf;
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}
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static struct pix_buf *draw_move_rect_common(struct inst *inst,
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struct coord other, struct coord pos, int i)
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{
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struct coord min, max;
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struct pix_buf *buf;
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min = translate(inst->base);
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max = translate(other);
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pos = translate(pos);
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switch (i) {
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case 0:
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min = pos;
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break;
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case 1:
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max = pos;
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break;
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default:
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abort();
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}
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sort_coord(&min, &max);
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buf = save_pix_buf(DA, min.x, min.y, max.x, max.y, 1);
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gdk_draw_rectangle(DA, gc_drag, FALSE,
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min.x, min.y, max.x-min.x, max.y-min.y);
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return buf;
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}
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static struct pix_buf *hover_common(GdkGC *gc, struct coord center, unit_type r)
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{
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struct pix_buf *buf;
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center = translate(center);
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buf = save_pix_buf(DA,
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center.x-r, center.y-r, center.x+r, center.y+r, 2);
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draw_circle(DA, gc, FALSE, center.x, center.y, VEC_EYE_R);
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return buf;
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}
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/* ----- delete ------------------------------------------------------------ */
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static void tool_selected_delete(void)
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{
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if (selected_inst) {
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tool_dehover();
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inst_delete(selected_inst);
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change_world();
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}
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tool_reset();
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}
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static struct tool_ops delete_ops = {
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.tool_selected = tool_selected_delete,
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};
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void tool_selected_inst(struct inst *inst)
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{
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set_image(ev_delete, delete_image[inst != NULL]);
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}
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/* ----- vec --------------------------------------------------------------- */
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static struct coord gridify(struct coord base, struct coord pos)
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{
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struct coord new;
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unit_type unit;
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switch (curr_unit) {
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case curr_unit_mm:
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case curr_unit_auto:
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unit = mm_to_units(0.1);
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break;
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case curr_unit_mil:
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unit = mil_to_units(10);
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break;
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default:
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abort();
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}
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new.x = pos.x-((pos.x-base.x) % unit);
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new.y = pos.y-((pos.y-base.y) % unit);
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if (new.x != base.x || new.y != base.y)
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return new;
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if (fabs(pos.x-base.x) > fabs(pos.y-base.y))
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new.x += pos.x > base.x ? unit : -unit;
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else
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new.y += pos.y > base.y ? unit : -unit;
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return new;
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}
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static struct pix_buf *drag_new_vec(struct inst *from, struct coord to)
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{
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struct coord pos;
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struct pix_buf *buf;
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pos = inst_get_point(from);
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to = gridify(pos, to);
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status_set_type_x("dX =");
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status_set_type_y("dX =");
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/* @@@ use status_set_xy */
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switch (curr_unit) {
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case curr_unit_mm:
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case curr_unit_auto:
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status_set_x("%lg mm", units_to_mm(to.x-pos.x));
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status_set_y("%lg mm", units_to_mm(to.y-pos.y));
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break;
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case curr_unit_mil:
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status_set_x("%lg mil", units_to_mil(to.x-pos.x));
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status_set_y("%lg mil", units_to_mil(to.y-pos.y));
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break;
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default:
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abort();
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}
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pos = translate(pos);
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to = translate(to);
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buf = save_pix_buf(DA, pos.x, pos.y, to.x, to.y, 1);
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gdk_draw_line(DA, gc_drag, pos.x, pos.y, to.x, to.y);
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return buf;
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}
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struct pix_buf *draw_move_vec(struct inst *inst, struct coord pos, int i)
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{
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return draw_move_line_common(inst,
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add_vec(sub_vec(inst->u.vec.end, inst->base), pos), pos, i);
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}
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struct pix_buf *gui_hover_vec(struct inst *self)
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{
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return hover_common(gc_vec[mode_hover],
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self->u.vec.end, VEC_EYE_R);
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}
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static int end_new_raw_vec(struct inst *from, struct coord to)
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{
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struct vec *vec;
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struct coord pos;
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vec = new_vec(from);
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pos = inst_get_point(from);
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to = gridify(pos, to);
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switch (curr_unit) {
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case curr_unit_mm:
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case curr_unit_auto:
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vec->x = new_num(make_mm(units_to_mm(to.x-pos.x)));
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vec->y = new_num(make_mm(units_to_mm(to.y-pos.y)));
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break;
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case curr_unit_mil:
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vec->x = new_num(make_mil(units_to_mil(to.x-pos.x)));
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vec->y = new_num(make_mil(units_to_mil(to.y-pos.y)));
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break;
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default:
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abort();
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}
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return 1;
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}
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static struct tool_ops vec_ops = {
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.drag_new = drag_new_vec,
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.end_new_raw = end_new_raw_vec,
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};
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/* ----- line -------------------------------------------------------------- */
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struct pix_buf *drag_new_line(struct inst *from, struct coord to)
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{
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struct coord pos;
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struct pix_buf *buf;
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pos = translate(inst_get_point(from));
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to = translate(to);
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buf = save_pix_buf(DA, pos.x, pos.y, to.x, to.y, 1);
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gdk_draw_line(DA, gc_drag, pos.x, pos.y, to.x, to.y);
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return buf;
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}
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struct pix_buf *draw_move_line(struct inst *inst, struct coord pos, int i)
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{
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return draw_move_line_common(inst, inst->u.rect.end, pos, i);
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}
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static int end_new_line(struct inst *from, struct inst *to)
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{
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struct obj *obj;
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if (from == to)
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return 0;
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obj = new_obj(ot_line, from);
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obj->u.line.other = inst_get_vec(to);
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obj->u.line.width = NULL;
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return 1;
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}
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static struct tool_ops line_ops = {
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.drag_new = drag_new_line,
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.end_new = end_new_line,
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};
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/* ----- rect -------------------------------------------------------------- */
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static struct pix_buf *drag_new_rect(struct inst *from, struct coord to)
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{
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struct coord pos;
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struct pix_buf *buf;
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pos = translate(inst_get_point(from));
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to = translate(to);
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sort_coord(&pos, &to);
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buf = save_pix_buf(DA, pos.x, pos.y, to.x, to.y, 1);
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gdk_draw_rectangle(DA, gc_drag, FALSE,
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pos.x, pos.y, to.x-pos.x, to.y-pos.y);
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return buf;
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}
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struct pix_buf *draw_move_rect(struct inst *inst, struct coord pos, int i)
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{
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return draw_move_rect_common(inst, inst->u.rect.end, pos, i);
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}
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static int end_new_rect(struct inst *from, struct inst *to)
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{
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struct obj *obj;
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if (from == to)
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return 0;
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obj = new_obj(ot_rect, from);
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obj->u.rect.other = inst_get_vec(to);
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obj->u.rect.width = NULL;
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return 1;
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}
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static struct tool_ops rect_ops = {
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.drag_new = drag_new_rect,
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.end_new = end_new_rect,
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};
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/* ----- pad --------------------------------------------------------------- */
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static int end_new_pad(struct inst *from, struct inst *to)
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{
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struct obj *obj;
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if (from == to)
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return 0;
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obj = new_obj(ot_pad, from);
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obj->u.pad.other = inst_get_vec(to);
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obj->u.pad.name = stralloc("?");
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obj->u.pad.rounded = 0;
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obj->u.pad.type = pt_normal;
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return 1;
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}
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struct pix_buf *draw_move_pad(struct inst *inst, struct coord pos, int i)
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{
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return draw_move_rect_common(inst, inst->u.pad.other, pos, i);
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}
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static struct tool_ops pad_ops = {
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.drag_new = drag_new_rect,
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.end_new = end_new_pad,
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};
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/* ----- rounded pad ------------------------------------------------------- */
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static int end_new_rpad(struct inst *from, struct inst *to)
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{
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struct obj *obj;
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if (from == to)
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return 0;
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obj = new_obj(ot_pad, from);
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obj->u.pad.other = inst_get_vec(to);
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obj->u.pad.name = stralloc("?");
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obj->u.pad.rounded = 1;
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return 1;
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}
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struct pix_buf *draw_move_rpad(struct inst *inst, struct coord pos, int i)
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{
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return draw_move_rect_common(inst, inst->u.pad.other, pos, i);
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}
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static struct tool_ops rpad_ops = {
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.drag_new = drag_new_rect,
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.end_new = end_new_rpad,
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};
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/* ----- circ -------------------------------------------------------------- */
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static struct pix_buf *drag_new_circ(struct inst *from, struct coord to)
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{
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struct coord pos;
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struct pix_buf *buf;
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double r;
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pos = translate(inst_get_point(from));
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to = translate(to);
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r = hypot(to.x-pos.x, to.y-pos.y);
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buf = save_pix_buf(DA, pos.x-r, pos.y-r, pos.x+r, pos.y+r, 1);
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draw_circle(DA, gc_drag, FALSE, pos.x, pos.y, r);
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return buf;
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}
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static int end_new_circ(struct inst *from, struct inst *to)
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{
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struct obj *obj;
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if (from == to)
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return 0;
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obj = new_obj(ot_arc, from);
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obj->u.arc.start = inst_get_vec(to);
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obj->u.arc.end = inst_get_vec(to);
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obj->u.arc.width = NULL;
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return 1;
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}
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struct pix_buf *draw_move_arc(struct inst *inst, struct coord pos, int i)
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{
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struct coord c, from, to, end;
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double r, r_save, a1, a2;
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struct pix_buf *buf;
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c = translate(inst->base);
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from =
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translate(rotate_r(inst->base, inst->u.arc.r, inst->u.arc.a1));
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to =
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translate(rotate_r(inst->base, inst->u.arc.r, inst->u.arc.a2));
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pos = translate(pos);
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switch (i) {
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case 0:
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c = pos;
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break;
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case 2:
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from = pos;
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break;
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case 1:
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to = pos;
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break;
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default:
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abort();
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}
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r = hypot(from.x-c.x, from.y-c.y);
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/*
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* the screen coordinate system is reversed with y growing downward,
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* so we have to negate the angles.
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*/
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a1 = -theta(c, from);
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a2 = -theta(c, to);
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if (a2 < a1)
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a2 += 360.0;
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if (i != 2)
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r_save = r;
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else {
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r_save = hypot(to.x-c.x, to.y-c.y);
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if (r > r_save)
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r_save = r;
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}
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buf = save_pix_buf(DA,
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c.x-r_save, c.y-r_save, c.x+r_save, c.y+r_save, 1);
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draw_arc(DA, gc_drag, FALSE, c.x, c.y, r, a1, a2);
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if (i == 1) {
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end = rotate_r(c, r_save, -a2);
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gdk_draw_line(DA, gc_drag, c.x, c.y, end.x, end.y);
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}
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return buf;
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}
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|
|
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]);
|
|
}
|