![[tokkee]](http://tokkee.org/images/avatar.png){kind=avatar}
diff --git a/src/nodepath.cpp b/src/nodepath.cpp
index 46f1095ac8ea34ddcafc53f50c6585980d4ade21..f9f6f169132f4205cb5eff0fb7f52b61ff2acbe8 100644 (file)
--- a/src/nodepath.cpp
+++ b/src/nodepath.cpp
case SCULPT_PROFILE_ELLIPTIC:
return sqrt(1 - x*x);
}
+
+ return 1;
}
double
@@ -2507,6 +2509,146 @@ void sp_nodepath_select_rect(Inkscape::NodePath::Path *nodepath, NR::Rect const
}
+void
+nodepath_grow_selection_linearly (Inkscape::NodePath::Path *nodepath, Inkscape::NodePath::Node *n, int grow)
+{
+ g_assert (n);
+ g_assert (nodepath);
+ g_assert (n->subpath->nodepath == nodepath);
+
+ if (g_list_length (nodepath->selected) == 0) {
+ if (grow > 0) {
+ sp_nodepath_node_select(n, TRUE, TRUE);
+ }
+ return;
+ }
+
+ if (g_list_length (nodepath->selected) == 1) {
+ if (grow < 0) {
+ sp_nodepath_deselect (nodepath);
+ return;
+ }
+ }
+
+ double n_sel_range = 0, p_sel_range = 0;
+ Inkscape::NodePath::Node *farthest_n_node = n;
+ Inkscape::NodePath::Node *farthest_p_node = n;
+
+ // Calculate ranges
+ {
+ double n_range = 0, p_range = 0;
+ bool n_going = true, p_going = true;
+ Inkscape::NodePath::Node *n_node = n;
+ Inkscape::NodePath::Node *p_node = n;
+ do {
+ // Do one step in both directions from n, until reaching the end of subpath or bumping into each other
+ if (n_node && n_going)
+ n_node = n_node->n.other;
+ if (n_node == NULL) {
+ n_going = false;
+ } else {
+ n_range += bezier_length (n_node->p.other->pos, n_node->p.other->n.pos, n_node->p.pos, n_node->pos);
+ if (n_node->selected) {
+ n_sel_range = n_range;
+ farthest_n_node = n_node;
+ }
+ if (n_node == p_node) {
+ n_going = false;
+ p_going = false;
+ }
+ }
+ if (p_node && p_going)
+ p_node = p_node->p.other;
+ if (p_node == NULL) {
+ p_going = false;
+ } else {
+ p_range += bezier_length (p_node->n.other->pos, p_node->n.other->p.pos, p_node->n.pos, p_node->pos);
+ if (p_node->selected) {
+ p_sel_range = p_range;
+ farthest_p_node = p_node;
+ }
+ if (p_node == n_node) {
+ n_going = false;
+ p_going = false;
+ }
+ }
+ } while (n_going || p_going);
+ }
+
+ if (grow > 0) {
+ if (n_sel_range < p_sel_range && farthest_n_node && farthest_n_node->n.other && !(farthest_n_node->n.other->selected)) {
+ sp_nodepath_node_select(farthest_n_node->n.other, TRUE, TRUE);
+ } else if (farthest_p_node && farthest_p_node->p.other && !(farthest_p_node->p.other->selected)) {
+ sp_nodepath_node_select(farthest_p_node->p.other, TRUE, TRUE);
+ }
+ } else {
+ if (n_sel_range > p_sel_range && farthest_n_node && farthest_n_node->selected) {
+ sp_nodepath_node_select(farthest_n_node, TRUE, FALSE);
+ } else if (farthest_p_node && farthest_p_node->selected) {
+ sp_nodepath_node_select(farthest_p_node, TRUE, FALSE);
+ }
+ }
+}
+
+void
+nodepath_grow_selection_spatially (Inkscape::NodePath::Path *nodepath, Inkscape::NodePath::Node *n, int grow)
+{
+ g_assert (n);
+ g_assert (nodepath);
+ g_assert (n->subpath->nodepath == nodepath);
+
+ if (g_list_length (nodepath->selected) == 0) {
+ if (grow > 0) {
+ sp_nodepath_node_select(n, TRUE, TRUE);
+ }
+ return;
+ }
+
+ if (g_list_length (nodepath->selected) == 1) {
+ if (grow < 0) {
+ sp_nodepath_deselect (nodepath);
+ return;
+ }
+ }
+
+ Inkscape::NodePath::Node *farthest_selected = NULL;
+ double farthest_dist = 0;
+
+ Inkscape::NodePath::Node *closest_unselected = NULL;
+ double closest_dist = NR_HUGE;
+
+ for (GList *spl = nodepath->subpaths; spl != NULL; spl = spl->next) {
+ Inkscape::NodePath::SubPath *subpath = (Inkscape::NodePath::SubPath *) spl->data;
+ for (GList *nl = subpath->nodes; nl != NULL; nl = nl->next) {
+ Inkscape::NodePath::Node *node = (Inkscape::NodePath::Node *) nl->data;
+ if (node == n)
+ continue;
+ if (node->selected) {
+ if (NR::L2(node->pos - n->pos) > farthest_dist) {
+ farthest_dist = NR::L2(node->pos - n->pos);
+ farthest_selected = node;
+ }
+ } else {
+ if (NR::L2(node->pos - n->pos) < closest_dist) {
+ closest_dist = NR::L2(node->pos - n->pos);
+ closest_unselected = node;
+ }
+ }
+ }
+ }
+
+ if (grow > 0) {
+ if (closest_unselected) {
+ sp_nodepath_node_select(closest_unselected, TRUE, TRUE);
+ }
+ } else {
+ if (farthest_selected) {
+ sp_nodepath_node_select(farthest_selected, TRUE, FALSE);
+ }
+ }
+}
+
+
/**
\brief Saves all nodes' and handles' current positions in their origin members
*/
/**
* Node event callback.
*/
-static gboolean node_event(SPKnot *knot, GdkEvent *event,Inkscape::NodePath::Node *n)
+static gboolean node_event(SPKnot *knot, GdkEvent *event, Inkscape::NodePath::Node *n)
{
gboolean ret = FALSE;
switch (event->type) {
@@ -2702,6 +2844,20 @@ static gboolean node_event(SPKnot *knot, GdkEvent *event,Inkscape::NodePath::Nod
ret = TRUE;
}
break;
+ case GDK_Page_Up:
+ if (event->key.state & GDK_CONTROL_MASK) {
+ nodepath_grow_selection_spatially (n->subpath->nodepath, n, +1);
+ } else {
+ nodepath_grow_selection_linearly (n->subpath->nodepath, n, +1);
+ }
+ break;
+ case GDK_Page_Down:
+ if (event->key.state & GDK_CONTROL_MASK) {
+ nodepath_grow_selection_spatially (n->subpath->nodepath, n, -1);
+ } else {
+ nodepath_grow_selection_linearly (n->subpath->nodepath, n, -1);
+ }
+ break;
default:
break;
}
if ((n->n.other && n->n.other->code == NR_LINETO) || fabs(yn) + fabs(xn) < 1e-6) {
if (n->n.other) { // if there is the next point
if (L2(n->n.other->p.pos - n->n.other->pos) < 1e-6) // and the next point has no handle either
- yn = n->n.other->pos[NR::Y] - n->origin[NR::Y]; // use origin because otherwise the direction will change as you drag
- xn = n->n.other->pos[NR::X] - n->origin[NR::X];
+ yn = n->n.other->origin[NR::Y] - n->origin[NR::Y]; // use origin because otherwise the direction will change as you drag
+ xn = n->n.other->origin[NR::X] - n->origin[NR::X];
}
}
if (xn < 0) { xn = -xn; yn = -yn; } // limit the angle to between 0 and pi
if (n->code == NR_LINETO || fabs(yp) + fabs(xp) < 1e-6) {
if (n->p.other) {
if (L2(n->p.other->n.pos - n->p.other->pos) < 1e-6)
- yp = n->p.other->pos[NR::Y] - n->origin[NR::Y];
- xp = n->p.other->pos[NR::X] - n->origin[NR::X];
+ yp = n->p.other->origin[NR::Y] - n->origin[NR::Y];
+ xp = n->p.other->origin[NR::X] - n->origin[NR::X];
}
}
if (xp < 0) { xp = -xp; yp = -yp; } // limit the angle to between 0 and pi