/**
Returns the topmost non-layer group from the descendants of group which is at point
p, or NULL if none. Recurses into layers but not into groups.
*/
SPItem*
find_group_at_point(unsigned int dkey, SPGroup *group, Geom::Point const p)
{
SPItem *seen = NULL;
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
gdouble delta = prefs->getDouble("/options/cursortolerance/value", 1.0);
for (SPObject *o = sp_object_first_child(SP_OBJECT(group)) ; o != NULL ; o = SP_OBJECT_NEXT(o) ) {
if (!SP_IS_ITEM(o)) continue;
if (SP_IS_GROUP(o) && SP_GROUP(o)->effectiveLayerMode(dkey) == SPGroup::LAYER) {
SPItem *newseen = find_group_at_point(dkey, SP_GROUP(o), p);
if (newseen) {
seen = newseen;
}
}
if (SP_IS_GROUP(o) && SP_GROUP(o)->effectiveLayerMode(dkey) != SPGroup::LAYER ) {
SPItem *child = SP_ITEM(o);
NRArenaItem *arenaitem = sp_item_get_arenaitem(child, dkey);
// seen remembers the last (topmost) of groups pickable at this point
if (arenaitem && nr_arena_item_invoke_pick(arenaitem, p, delta, 1) != NULL) {
seen = child;
}
}
}
return seen;
}
void
sp_select_context_up_one_layer(SPDesktop *desktop)
{
/* Click in empty place, go up one level -- but don't leave a layer to root.
*
* (Rationale: we don't usually allow users to go to the root, since that
* detracts from the layer metaphor: objects at the root level can in front
* of or behind layers. Whereas it's fine to go to the root if editing
* a document that has no layers (e.g. a non-Inkscape document).)
*
* Once we support editing SVG "islands" (e.g. <svg> embedded in an xhtml
* document), we might consider further restricting the below to disallow
* leaving a layer to go to a non-layer.
*/
SPObject *const current_layer = desktop->currentLayer();
if (current_layer) {
SPObject *const parent = SP_OBJECT_PARENT(current_layer);
if ( parent
&& ( SP_OBJECT_PARENT(parent)
|| !( SP_IS_GROUP(current_layer)
&& ( SPGroup::LAYER
== SP_GROUP(current_layer)->layerMode() ) ) ) )
{
desktop->setCurrentLayer(parent);
if (SP_IS_GROUP(current_layer) && SPGroup::LAYER != SP_GROUP(current_layer)->layerMode())
sp_desktop_selection(desktop)->set(current_layer);
}
}
}
void
SPLPEItem::apply_to_clippath(SPItem *item)
{
SPClipPath *clipPath = item->clip_ref->getObject();
if(clipPath) {
SPObject * clip_data = clipPath->firstChild();
SPCurve * clip_curve = NULL;
if (SP_IS_PATH(clip_data)) {
clip_curve = SP_PATH(clip_data)->get_original_curve();
} else if(SP_IS_SHAPE(clip_data)) {
clip_curve = SP_SHAPE(clip_data)->getCurve();
} else if(SP_IS_GROUP(clip_data)) {
apply_to_clip_or_mask_group(SP_ITEM(clip_data), item);
return;
}
if(clip_curve) {
bool success = false;
if(SP_IS_GROUP(this)){
clip_curve->transform(i2anc_affine(SP_GROUP(item), SP_GROUP(this)));
success = this->performPathEffect(clip_curve);
clip_curve->transform(i2anc_affine(SP_GROUP(item), SP_GROUP(this)).inverse());
} else {
success = this->performPathEffect(clip_curve);
}
Inkscape::XML::Node *reprClip = clip_data->getRepr();
if (success) {
gchar *str = sp_svg_write_path(clip_curve->get_pathvector());
reprClip->setAttribute("d", str);
g_free(str);
} else {
// LPE was unsuccesfull. Read the old 'd'-attribute.
if (gchar const * value = reprClip->attribute("d")) {
Geom::PathVector pv = sp_svg_read_pathv(value);
SPCurve *oldcurve = new SPCurve(pv);
if (oldcurve) {
SP_SHAPE(clip_data)->setCurve(oldcurve, TRUE);
oldcurve->unref();
}
}
}
clip_curve->unref();
}
}
if(SP_IS_GROUP(item)){
GSList const *item_list = sp_item_group_item_list(SP_GROUP(item));
for ( GSList const *iter = item_list; iter; iter = iter->next ) {
SPObject *subitem = static_cast<SPObject *>(iter->data);
apply_to_clippath(SP_ITEM(subitem));
}
}
}
GSList *sp_document_partial_items_in_box(SPDocument *document, unsigned int dkey, Geom::Rect const &box)
{
g_return_val_if_fail(document != NULL, NULL);
g_return_val_if_fail(document->priv != NULL, NULL);
return find_items_in_area(NULL, SP_GROUP(document->root), dkey, box, overlaps);
}
/**
Returns the bottommost item from the list which is at the point, or NULL if none.
*/
SPItem*
sp_document_item_from_list_at_point_bottom(unsigned int dkey, SPGroup *group, GSList const *list,
Geom::Point const p, bool take_insensitive)
{
g_return_val_if_fail(group, NULL);
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
gdouble delta = prefs->getDouble("/options/cursortolerance/value", 1.0);
for (SPObject *o = sp_object_first_child(SP_OBJECT(group)) ; o != NULL ; o = SP_OBJECT_NEXT(o) ) {
if (!SP_IS_ITEM(o)) continue;
SPItem *item = SP_ITEM(o);
NRArenaItem *arenaitem = sp_item_get_arenaitem(item, dkey);
if (arenaitem && nr_arena_item_invoke_pick(arenaitem, p, delta, 1) != NULL
&& (take_insensitive || item->isVisibleAndUnlocked(dkey))) {
if (g_slist_find((GSList *) list, item) != NULL)
return item;
}
if (SP_IS_GROUP(o)) {
SPItem *found = sp_document_item_from_list_at_point_bottom(dkey, SP_GROUP(o), list, p, take_insensitive);
if (found)
return found;
}
}
return NULL;
}
static void
sp_lpe_item_create_original_path_recursive(SPLPEItem *lpeitem)
{
g_return_if_fail(lpeitem != NULL);
SPMask * mask = lpeitem->mask_ref->getObject();
if(mask)
{
sp_lpe_item_create_original_path_recursive(SP_LPE_ITEM(mask->firstChild()));
}
SPClipPath * clipPath = lpeitem->clip_ref->getObject();
if(clipPath)
{
sp_lpe_item_create_original_path_recursive(SP_LPE_ITEM(clipPath->firstChild()));
}
if (SP_IS_GROUP(lpeitem)) {
GSList const *item_list = sp_item_group_item_list(SP_GROUP(lpeitem));
for ( GSList const *iter = item_list; iter; iter = iter->next ) {
SPObject *subitem = static_cast<SPObject *>(iter->data);
if (SP_IS_LPE_ITEM(subitem)) {
sp_lpe_item_create_original_path_recursive(SP_LPE_ITEM(subitem));
}
}
}
else if (SP_IS_PATH(lpeitem)) {
Inkscape::XML::Node *pathrepr = lpeitem->getRepr();
if ( !pathrepr->attribute("inkscape:original-d") ) {
pathrepr->setAttribute("inkscape:original-d", pathrepr->attribute("d"));
}
}
}
SPItem*
sp_document_group_at_point(SPDocument *document, unsigned int key, Geom::Point const p)
{
g_return_val_if_fail(document != NULL, NULL);
g_return_val_if_fail(document->priv != NULL, NULL);
return find_group_at_point(key, SP_GROUP(document->root), p);
}
SPItem *
sp_document_item_at_point(SPDocument *document, unsigned const key, Geom::Point const p,
gboolean const into_groups, SPItem *upto)
{
g_return_val_if_fail(document != NULL, NULL);
g_return_val_if_fail(document->priv != NULL, NULL);
return find_item_at_point(key, SP_GROUP(document->root), p, into_groups, false, upto);
}
/**
Returns true if an item is among the descendants of group (recursively).
*/
bool item_is_in_group(SPItem *item, SPGroup *group)
{
for (SPObject *o = sp_object_first_child(SP_OBJECT(group)) ; o != NULL ; o = SP_OBJECT_NEXT(o) ) {
if (!SP_IS_ITEM(o)) continue;
if (SP_ITEM(o) == item)
return true;
if (SP_IS_GROUP(o))
if (item_is_in_group(item, SP_GROUP(o)))
return true;
}
return false;
}
static void
sp_anchor_link_remove(GtkMenuItem */*menuitem*/, SPAnchor *anchor)
{
GSList *children;
g_return_if_fail(anchor != NULL);
g_return_if_fail(SP_IS_ANCHOR(anchor));
children = NULL;
sp_item_group_ungroup(SP_GROUP(anchor), &children);
g_slist_free(children);
}
static GSList *find_items_in_area(GSList *s, SPGroup *group, unsigned int dkey, Geom::Rect const &area,
bool (*test)(Geom::Rect const &, Geom::Rect const &), bool take_insensitive = false)
{
g_return_val_if_fail(SP_IS_GROUP(group), s);
for (SPObject *o = sp_object_first_child(SP_OBJECT(group)) ; o != NULL ; o = SP_OBJECT_NEXT(o) ) {
if (!SP_IS_ITEM(o)) {
continue;
}
if (SP_IS_GROUP(o) && SP_GROUP(o)->effectiveLayerMode(dkey) == SPGroup::LAYER ) {
s = find_items_in_area(s, SP_GROUP(o), dkey, area, test);
} else {
SPItem *child = SP_ITEM(o);
Geom::OptRect box = sp_item_bbox_desktop(child);
if ( box && test(area, *box) && (take_insensitive || child->isVisibleAndUnlocked(dkey))) {
s = g_slist_append(s, child);
}
}
}
return s;
}
static bool try_get_intersect_point_with_item_recursive(Geom::PathVector& conn_pv, SPItem* item,
const Geom::Affine& item_transform, double& intersect_pos) {
double initial_pos = intersect_pos;
// if this is a group...
if (SP_IS_GROUP(item)) {
SPGroup* group = SP_GROUP(item);
// consider all first-order children
double child_pos = 0.0;
std::vector<SPItem*> g = sp_item_group_item_list(group);
for (std::vector<SPItem*>::const_iterator i = g.begin();i!=g.end();i++) {
SPItem* child_item = *i;
try_get_intersect_point_with_item_recursive(conn_pv, child_item,
item_transform * child_item->transform, child_pos);
if (intersect_pos < child_pos)
intersect_pos = child_pos;
}
return intersect_pos != initial_pos;
}
// if this is not a shape, nothing to be done
if (!SP_IS_SHAPE(item)) return false;
// make sure it has an associated curve
SPCurve* item_curve = SP_SHAPE(item)->getCurve();
if (!item_curve) return false;
// apply transformations (up to common ancestor)
item_curve->transform(item_transform);
const Geom::PathVector& curve_pv = item_curve->get_pathvector();
Geom::CrossingSet cross = crossings(conn_pv, curve_pv);
// iterate over all Crossings
//TODO: check correctness of the following code: inner loop uses loop variable
// with a name identical to the loop variable of the outer loop. Then rename.
for (Geom::CrossingSet::const_iterator i = cross.begin(); i != cross.end(); ++i) {
const Geom::Crossings& cr = *i;
for (Geom::Crossings::const_iterator i = cr.begin(); i != cr.end(); ++i) {
const Geom::Crossing& cr_pt = *i;
if ( intersect_pos < cr_pt.ta)
intersect_pos = cr_pt.ta;
}
}
item_curve->unref();
return intersect_pos != initial_pos;
}
/**
Returns the topmost (in z-order) item from the descendants of group (recursively) which
is at the point p, or NULL if none. Honors into_groups on whether to recurse into
non-layer groups or not. Honors take_insensitive on whether to return insensitive
items. If upto != NULL, then if item upto is encountered (at any level), stops searching
upwards in z-order and returns what it has found so far (i.e. the found item is
guaranteed to be lower than upto).
*/
SPItem*
find_item_at_point(unsigned int dkey, SPGroup *group, Geom::Point const p, gboolean into_groups, bool take_insensitive = false, SPItem *upto = NULL)
{
SPItem *seen = NULL, *newseen = NULL;
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
gdouble delta = prefs->getDouble("/options/cursortolerance/value", 1.0);
for (SPObject *o = sp_object_first_child(SP_OBJECT(group)) ; o != NULL ; o = SP_OBJECT_NEXT(o) ) {
if (!SP_IS_ITEM(o)) continue;
if (upto && SP_ITEM(o) == upto)
break;
if (SP_IS_GROUP(o) && (SP_GROUP(o)->effectiveLayerMode(dkey) == SPGroup::LAYER || into_groups)) {
// if nothing found yet, recurse into the group
newseen = find_item_at_point(dkey, SP_GROUP(o), p, into_groups, take_insensitive, upto);
if (newseen) {
seen = newseen;
newseen = NULL;
}
if (item_is_in_group(upto, SP_GROUP(o)))
break;
} else {
SPItem *child = SP_ITEM(o);
NRArenaItem *arenaitem = sp_item_get_arenaitem(child, dkey);
// seen remembers the last (topmost) of items pickable at this point
if (arenaitem && nr_arena_item_invoke_pick(arenaitem, p, delta, 1) != NULL
&& (take_insensitive || child->isVisibleAndUnlocked(dkey))) {
seen = child;
}
}
}
return seen;
}
static bool try_get_intersect_point_with_item_recursive(Geom::PathVector& conn_pv, SPItem* item,
const Geom::Matrix& item_transform, double& intersect_pos) {
double initial_pos = intersect_pos;
// if this is a group...
if (SP_IS_GROUP(item)) {
SPGroup* group = SP_GROUP(item);
// consider all first-order children
double child_pos = 0.0;
for (GSList const* i = sp_item_group_item_list(group); i != NULL; i = i->next) {
SPItem* child_item = SP_ITEM(i->data);
try_get_intersect_point_with_item_recursive(conn_pv, child_item,
item_transform * child_item->transform, child_pos);
if (intersect_pos < child_pos)
intersect_pos = child_pos;
}
return intersect_pos != initial_pos;
}
// if this is not a shape, nothing to be done
if (!SP_IS_SHAPE(item)) return false;
// make sure it has an associated curve
SPCurve* item_curve = sp_shape_get_curve(SP_SHAPE(item));
if (!item_curve) return false;
// apply transformations (up to common ancestor)
item_curve->transform(item_transform);
const Geom::PathVector& curve_pv = item_curve->get_pathvector();
Geom::CrossingSet cross = crossings(conn_pv, curve_pv);
// iterate over all Crossings
for (Geom::CrossingSet::const_iterator i = cross.begin(); i != cross.end(); i++) {
const Geom::Crossings& cr = *i;
for (Geom::Crossings::const_iterator i = cr.begin(); i != cr.end(); i++) {
const Geom::Crossing& cr_pt = *i;
if ( intersect_pos < cr_pt.ta)
intersect_pos = cr_pt.ta;
}
}
item_curve->unref();
return intersect_pos != initial_pos;
}
void
SPConnEndPair::getAttachedItems(SPItem *h2attItem[2]) const {
for (unsigned h = 0; h < 2; ++h) {
h2attItem[h] = this->_connEnd[h]->ref.getObject();
// Deal with the case of the attached object being an empty group.
// A group containing no items does not have a valid bbox, so
// causes problems for the auto-routing code. Also, since such a
// group no longer has an onscreen representation and can only be
// selected through the XML editor, it makes sense just to detach
// connectors from them.
if (SP_IS_GROUP(h2attItem[h])) {
if (SP_GROUP(h2attItem[h])->group->getItemCount() == 0) {
// This group is empty, so detach.
sp_conn_end_detach(_path, h);
h2attItem[h] = NULL;
}
}
}
}
/**
* Given a Geom::Rect that may, for example, correspond to the bbox of an object,
* this function fits the canvas to that rect by resizing the canvas
* and translating the document root into position.
*/
void SPDocument::fitToRect(Geom::Rect const &rect)
{
double const w = rect.width();
double const h = rect.height();
double const old_height = sp_document_height(this);
SPUnit const &px(sp_unit_get_by_id(SP_UNIT_PX));
sp_document_set_width(this, w, &px);
sp_document_set_height(this, h, &px);
Geom::Translate const tr(Geom::Point(0, (old_height - h))
- to_2geom(rect.min()));
SP_GROUP(root)->translateChildItems(tr);
SPNamedView *nv = sp_document_namedview(this, 0);
if(nv) {
Geom::Translate tr2(-rect.min());
nv->translateGuides(tr2);
// update the viewport so the drawing appears to stay where it was
nv->scrollAllDesktops(-tr2[0], tr2[1], false);
}
}
static gint
sp_select_context_root_handler(SPEventContext *event_context, GdkEvent *event)
{
SPItem *item = NULL;
SPItem *item_at_point = NULL, *group_at_point = NULL, *item_in_group = NULL;
gint ret = FALSE;
SPDesktop *desktop = event_context->desktop;
SPSelectContext *sc = SP_SELECT_CONTEXT(event_context);
Inkscape::SelTrans *seltrans = sc->_seltrans;
Inkscape::Selection *selection = sp_desktop_selection(desktop);
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
// make sure we still have valid objects to move around
if (sc->item && SP_OBJECT_DOCUMENT( SP_OBJECT(sc->item))==NULL) {
sp_select_context_abort(event_context);
}
switch (event->type) {
case GDK_2BUTTON_PRESS:
if (event->button.button == 1) {
if (!selection->isEmpty()) {
SPItem *clicked_item = (SPItem *) selection->itemList()->data;
if (SP_IS_GROUP(clicked_item) && !SP_IS_BOX3D(clicked_item)) { // enter group if it's not a 3D box
desktop->setCurrentLayer(reinterpret_cast<SPObject *>(clicked_item));
sp_desktop_selection(desktop)->clear();
sc->dragging = false;
sp_event_context_discard_delayed_snap_event(event_context);
desktop->canvas->end_forced_full_redraws();
} else { // switch tool
Geom::Point const button_pt(event->button.x, event->button.y);
Geom::Point const p(desktop->w2d(button_pt));
tools_switch_by_item (desktop, clicked_item, p);
}
} else {
sp_select_context_up_one_layer(desktop);
}
ret = TRUE;
}
break;
case GDK_BUTTON_PRESS:
if (event->button.button == 1 && !event_context->space_panning) {
// save drag origin
xp = (gint) event->button.x;
yp = (gint) event->button.y;
within_tolerance = true;
Geom::Point const button_pt(event->button.x, event->button.y);
Geom::Point const p(desktop->w2d(button_pt));
if (event->button.state & GDK_MOD1_MASK)
Inkscape::Rubberband::get(desktop)->setMode(RUBBERBAND_MODE_TOUCHPATH);
Inkscape::Rubberband::get(desktop)->start(desktop, p);
if (sc->grabbed) {
sp_canvas_item_ungrab(sc->grabbed, event->button.time);
sc->grabbed = NULL;
}
sp_canvas_item_grab(SP_CANVAS_ITEM(desktop->acetate),
GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK,
NULL, event->button.time);
sc->grabbed = SP_CANVAS_ITEM(desktop->acetate);
// remember what modifiers were on before button press
sc->button_press_shift = (event->button.state & GDK_SHIFT_MASK) ? true : false;
sc->button_press_ctrl = (event->button.state & GDK_CONTROL_MASK) ? true : false;
sc->button_press_alt = (event->button.state & GDK_MOD1_MASK) ? true : false;
sc->moved = FALSE;
rb_escaped = drag_escaped = 0;
ret = TRUE;
} else if (event->button.button == 3) {
// right click; do not eat it so that right-click menu can appear, but cancel dragging & rubberband
sp_select_context_abort(event_context);
}
break;
case GDK_MOTION_NOTIFY:
tolerance = prefs->getIntLimited("/options/dragtolerance/value", 0, 0, 100);
if (event->motion.state & GDK_BUTTON1_MASK && !event_context->space_panning) {
Geom::Point const motion_pt(event->motion.x, event->motion.y);
Geom::Point const p(desktop->w2d(motion_pt));
if ( within_tolerance
&& ( abs( (gint) event->motion.x - xp ) < tolerance )
&& ( abs( (gint) event->motion.y - yp ) < tolerance ) ) {
break; // do not drag if we're within tolerance from origin
}
// Once the user has moved farther than tolerance from the original location
// (indicating they intend to move the object, not click), then always process the
// motion notify coordinates as given (no snapping back to origin)
within_tolerance = false;
if (sc->button_press_ctrl || (sc->button_press_alt && !sc->button_press_shift && !selection->isEmpty())) {
// if it's not click and ctrl or alt was pressed (the latter with some selection
// but not with shift) we want to drag rather than rubberband
sc->dragging = TRUE;
desktop->setCursor(SP_SELECT_D_CURSOR);
desktop->canvas->force_full_redraw_after_interruptions(5);
}
if (sc->dragging) {
/* User has dragged fast, so we get events on root (lauris)*/
// not only that; we will end up here when ctrl-dragging as well
// and also when we started within tolerance, but trespassed tolerance outside of item
Inkscape::Rubberband::get(desktop)->stop();
SP_EVENT_CONTEXT(sc)->defaultMessageContext()->clear();
item_at_point = desktop->item_at_point(Geom::Point(event->button.x, event->button.y), FALSE);
if (!item_at_point) // if no item at this point, try at the click point (bug 1012200)
item_at_point = desktop->item_at_point(Geom::Point(xp, yp), FALSE);
if (item_at_point || sc->moved || sc->button_press_alt) {
// drag only if starting from an item, or if something is already grabbed, or if alt-dragging
if (!sc->moved) {
item_in_group = desktop->item_at_point(Geom::Point(event->button.x, event->button.y), TRUE);
group_at_point = desktop->group_at_point(Geom::Point(event->button.x, event->button.y));
if (SP_IS_LAYER(selection->single()))
group_at_point = SP_GROUP(selection->single());
// group-at-point is meant to be topmost item if it's a group,
// not topmost group of all items at point
if (group_at_point != item_in_group &&
!(group_at_point && item_at_point &&
group_at_point->isAncestorOf(item_at_point)))
group_at_point = NULL;
// if neither a group nor an item (possibly in a group) at point are selected, set selection to the item at point
if ((!item_in_group || !selection->includes(item_in_group)) &&
(!group_at_point || !selection->includes(group_at_point))
&& !sc->button_press_alt) {
// select what is under cursor
if (!seltrans->isEmpty()) {
seltrans->resetState();
}
// when simply ctrl-dragging, we don't want to go into groups
if (item_at_point && !selection->includes(item_at_point))
selection->set(item_at_point);
} // otherwise, do not change selection so that dragging selected-within-group items, as well as alt-dragging, is possible
seltrans->grab(p, -1, -1, FALSE, TRUE);
sc->moved = TRUE;
}
if (!seltrans->isEmpty())
seltrans->moveTo(p, event->button.state);
desktop->scroll_to_point(p);
gobble_motion_events(GDK_BUTTON1_MASK);
ret = TRUE;
} else {
sc->dragging = FALSE;
sp_event_context_discard_delayed_snap_event(event_context);
desktop->canvas->end_forced_full_redraws();
}
} else {
if (Inkscape::Rubberband::get(desktop)->is_started()) {
Inkscape::Rubberband::get(desktop)->move(p);
if (Inkscape::Rubberband::get(desktop)->getMode() == RUBBERBAND_MODE_TOUCHPATH) {
event_context->defaultMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Draw over</b> objects to select them; release <b>Alt</b> to switch to rubberband selection"));
} else {
event_context->defaultMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag around</b> objects to select them; press <b>Alt</b> to switch to touch selection"));
}
gobble_motion_events(GDK_BUTTON1_MASK);
}
}
}
break;
case GDK_BUTTON_RELEASE:
xp = yp = 0;
if ((event->button.button == 1) && (sc->grabbed) && !event_context->space_panning) {
if (sc->dragging) {
if (sc->moved) {
// item has been moved
seltrans->ungrab();
sc->moved = FALSE;
} else if (sc->item && !drag_escaped) {
// item has not been moved -> simply a click, do selecting
if (!selection->isEmpty()) {
if (event->button.state & GDK_SHIFT_MASK) {
// with shift, toggle selection
seltrans->resetState();
selection->toggle(sc->item);
} else {
SPObject* single = selection->single();
// without shift, increase state (i.e. toggle scale/rotation handles)
if (selection->includes(sc->item)) {
seltrans->increaseState();
} else if (SP_IS_LAYER(single) && single->isAncestorOf(sc->item)) {
seltrans->increaseState();
} else {
seltrans->resetState();
selection->set(sc->item);
}
}
} else { // simple or shift click, no previous selection
seltrans->resetState();
selection->set(sc->item);
}
}
sc->dragging = FALSE;
desktop->setCursor(SP_SELECT_CURSOR);
sp_event_context_discard_delayed_snap_event(event_context);
desktop->canvas->end_forced_full_redraws();
if (sc->item) {
sp_object_unref( SP_OBJECT(sc->item), NULL);
}
sc->item = NULL;
} else {
Inkscape::Rubberband *r = Inkscape::Rubberband::get(desktop);
if (r->is_started() && !within_tolerance) {
// this was a rubberband drag
GSList *items = NULL;
if (r->getMode() == RUBBERBAND_MODE_RECT) {
Geom::OptRect const b = r->getRectangle();
items = sp_document_items_in_box(sp_desktop_document(desktop), desktop->dkey, *b);
} else if (r->getMode() == RUBBERBAND_MODE_TOUCHPATH) {
items = sp_document_items_at_points(sp_desktop_document(desktop), desktop->dkey, r->getPoints());
}
seltrans->resetState();
r->stop();
SP_EVENT_CONTEXT(sc)->defaultMessageContext()->clear();
if (event->button.state & GDK_SHIFT_MASK) {
// with shift, add to selection
selection->addList (items);
} else {
// without shift, simply select anew
selection->setList (items);
}
g_slist_free (items);
} else { // it was just a click, or a too small rubberband
r->stop();
if (sc->button_press_shift && !rb_escaped && !drag_escaped) {
// this was a shift+click or alt+shift+click, select what was clicked upon
sc->button_press_shift = false;
if (sc->button_press_ctrl) {
// go into groups, honoring Alt
item = sp_event_context_find_item (desktop,
Geom::Point(event->button.x, event->button.y), event->button.state & GDK_MOD1_MASK, TRUE);
sc->button_press_ctrl = FALSE;
} else {
// don't go into groups, honoring Alt
item = sp_event_context_find_item (desktop,
Geom::Point(event->button.x, event->button.y), event->button.state & GDK_MOD1_MASK, FALSE);
}
if (item) {
selection->toggle(item);
item = NULL;
}
} else if ((sc->button_press_ctrl || sc->button_press_alt) && !rb_escaped && !drag_escaped) { // ctrl+click, alt+click
item = sp_event_context_find_item (desktop,
Geom::Point(event->button.x, event->button.y), sc->button_press_alt, sc->button_press_ctrl);
sc->button_press_ctrl = FALSE;
sc->button_press_alt = FALSE;
if (item) {
if (selection->includes(item)) {
seltrans->increaseState();
} else {
seltrans->resetState();
selection->set(item);
}
item = NULL;
}
} else { // click without shift, simply deselect, unless with Alt or something was cancelled
if (!selection->isEmpty()) {
if (!(rb_escaped) && !(drag_escaped) && !(event->button.state & GDK_MOD1_MASK))
selection->clear();
rb_escaped = 0;
ret = TRUE;
}
}
}
ret = TRUE;
}
if (sc->grabbed) {
sp_canvas_item_ungrab(sc->grabbed, event->button.time);
sc->grabbed = NULL;
}
desktop->updateNow();
}
if (event->button.button == 1) {
Inkscape::Rubberband::get(desktop)->stop(); // might have been started in another tool!
}
sc->button_press_shift = false;
sc->button_press_ctrl = false;
sc->button_press_alt = false;
break;
case GDK_KEY_PRESS: // keybindings for select context
{
{
guint keyval = get_group0_keyval(&event->key);
bool alt = ( MOD__ALT
|| (keyval == GDK_Alt_L)
|| (keyval == GDK_Alt_R)
|| (keyval == GDK_Meta_L)
|| (keyval == GDK_Meta_R));
if (!key_is_a_modifier (keyval)) {
event_context->defaultMessageContext()->clear();
} else if (sc->grabbed || seltrans->isGrabbed()) {
if (Inkscape::Rubberband::get(desktop)->is_started()) {
// if Alt then change cursor to moving cursor:
if (alt) {
Inkscape::Rubberband::get(desktop)->setMode(RUBBERBAND_MODE_TOUCHPATH);
}
} else {
// do not change the statusbar text when mousekey is down to move or transform the object,
// because the statusbar text is already updated somewhere else.
break;
}
} else {
sp_event_show_modifier_tip (event_context->defaultMessageContext(), event,
_("<b>Ctrl</b>: click to select in groups; drag to move hor/vert"),
_("<b>Shift</b>: click to toggle select; drag for rubberband selection"),
_("<b>Alt</b>: click to select under; drag to move selected or select by touch"));
// if Alt and nonempty selection, show moving cursor ("move selected"):
if (alt && !selection->isEmpty() && !desktop->isWaitingCursor()) {
desktop->setCursor(SP_SELECT_D_CURSOR);
}
//*/
break;
}
}
gdouble const nudge = prefs->getDoubleLimited("/options/nudgedistance/value", 2, 0, 1000); // in px
gdouble const offset = prefs->getDoubleLimited("/options/defaultscale/value", 2, 0, 1000);
int const snaps = prefs->getInt("/options/rotationsnapsperpi/value", 12);
switch (get_group0_keyval (&event->key)) {
case GDK_Left: // move selection left
case GDK_KP_Left:
case GDK_KP_4:
if (!MOD__CTRL) { // not ctrl
gint mul = 1 + gobble_key_events(
get_group0_keyval(&event->key), 0); // with any mask
if (MOD__ALT) { // alt
if (MOD__SHIFT) sp_selection_move_screen(desktop, mul*-10, 0); // shift
else sp_selection_move_screen(desktop, mul*-1, 0); // no shift
}
else { // no alt
if (MOD__SHIFT) sp_selection_move(desktop, mul*-10*nudge, 0); // shift
else sp_selection_move(desktop, mul*-nudge, 0); // no shift
}
ret = TRUE;
}
break;
case GDK_Up: // move selection up
case GDK_KP_Up:
case GDK_KP_8:
if (!MOD__CTRL) { // not ctrl
gint mul = 1 + gobble_key_events(
get_group0_keyval(&event->key), 0); // with any mask
if (MOD__ALT) { // alt
if (MOD__SHIFT) sp_selection_move_screen(desktop, 0, mul*10); // shift
else sp_selection_move_screen(desktop, 0, mul*1); // no shift
}
else { // no alt
if (MOD__SHIFT) sp_selection_move(desktop, 0, mul*10*nudge); // shift
else sp_selection_move(desktop, 0, mul*nudge); // no shift
}
ret = TRUE;
}
break;
case GDK_Right: // move selection right
case GDK_KP_Right:
case GDK_KP_6:
if (!MOD__CTRL) { // not ctrl
gint mul = 1 + gobble_key_events(
get_group0_keyval(&event->key), 0); // with any mask
if (MOD__ALT) { // alt
if (MOD__SHIFT) sp_selection_move_screen(desktop, mul*10, 0); // shift
else sp_selection_move_screen(desktop, mul*1, 0); // no shift
}
else { // no alt
if (MOD__SHIFT) sp_selection_move(desktop, mul*10*nudge, 0); // shift
else sp_selection_move(desktop, mul*nudge, 0); // no shift
}
ret = TRUE;
}
break;
case GDK_Down: // move selection down
case GDK_KP_Down:
case GDK_KP_2:
if (!MOD__CTRL) { // not ctrl
gint mul = 1 + gobble_key_events(
get_group0_keyval(&event->key), 0); // with any mask
if (MOD__ALT) { // alt
if (MOD__SHIFT) sp_selection_move_screen(desktop, 0, mul*-10); // shift
else sp_selection_move_screen(desktop, 0, mul*-1); // no shift
}
else { // no alt
if (MOD__SHIFT) sp_selection_move(desktop, 0, mul*-10*nudge); // shift
else sp_selection_move(desktop, 0, mul*-nudge); // no shift
}
ret = TRUE;
}
break;
case GDK_Escape:
if (!sp_select_context_abort(event_context))
selection->clear();
ret = TRUE;
break;
case GDK_a:
case GDK_A:
if (MOD__CTRL_ONLY) {
sp_edit_select_all(desktop);
ret = TRUE;
}
break;
case GDK_space:
/* stamping mode: show outline mode moving */
/* FIXME: Is next condition ok? (lauris) */
if (sc->dragging && sc->grabbed) {
seltrans->stamp();
ret = TRUE;
}
break;
case GDK_x:
case GDK_X:
if (MOD__ALT_ONLY) {
desktop->setToolboxFocusTo ("altx");
ret = TRUE;
}
break;
case GDK_bracketleft:
if (MOD__ALT) {
gint mul = 1 + gobble_key_events(
get_group0_keyval(&event->key), 0); // with any mask
sp_selection_rotate_screen(selection, mul*1);
} else if (MOD__CTRL) {
sp_selection_rotate(selection, 90);
} else if (snaps) {
sp_selection_rotate(selection, 180.0/snaps);
}
ret = TRUE;
break;
case GDK_bracketright:
if (MOD__ALT) {
gint mul = 1 + gobble_key_events(
get_group0_keyval(&event->key), 0); // with any mask
sp_selection_rotate_screen(selection, -1*mul);
} else if (MOD__CTRL) {
sp_selection_rotate(selection, -90);
} else if (snaps) {
sp_selection_rotate(selection, -180.0/snaps);
}
ret = TRUE;
break;
case GDK_less:
case GDK_comma:
if (MOD__ALT) {
gint mul = 1 + gobble_key_events(
get_group0_keyval(&event->key), 0); // with any mask
sp_selection_scale_screen(selection, -2*mul);
} else if (MOD__CTRL) {
sp_selection_scale_times(selection, 0.5);
} else {
gint mul = 1 + gobble_key_events(
get_group0_keyval(&event->key), 0); // with any mask
sp_selection_scale(selection, -offset*mul);
}
ret = TRUE;
break;
case GDK_greater:
case GDK_period:
if (MOD__ALT) {
gint mul = 1 + gobble_key_events(
get_group0_keyval(&event->key), 0); // with any mask
sp_selection_scale_screen(selection, 2*mul);
} else if (MOD__CTRL) {
sp_selection_scale_times(selection, 2);
} else {
gint mul = 1 + gobble_key_events(
get_group0_keyval(&event->key), 0); // with any mask
sp_selection_scale(selection, offset*mul);
}
ret = TRUE;
break;
case GDK_Return:
if (MOD__CTRL_ONLY) {
if (selection->singleItem()) {
SPItem *clicked_item = selection->singleItem();
if ( SP_IS_GROUP(clicked_item) ||
SP_IS_BOX3D(clicked_item)) { // enter group or a 3D box
desktop->setCurrentLayer(reinterpret_cast<SPObject *>(clicked_item));
sp_desktop_selection(desktop)->clear();
} else {
SP_EVENT_CONTEXT(sc)->desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Selected object is not a group. Cannot enter."));
}
}
ret = TRUE;
}
break;
case GDK_BackSpace:
if (MOD__CTRL_ONLY) {
sp_select_context_up_one_layer(desktop);
ret = TRUE;
}
break;
case GDK_s:
case GDK_S:
if (MOD__SHIFT_ONLY) {
if (!selection->isEmpty()) {
seltrans->increaseState();
}
ret = TRUE;
}
break;
case GDK_g:
case GDK_G:
if (MOD__SHIFT_ONLY) {
sp_selection_to_guides(desktop);
ret = true;
}
break;
default:
break;
}
break;
}
case GDK_KEY_RELEASE:
{
guint keyval = get_group0_keyval(&event->key);
if (key_is_a_modifier (keyval))
event_context->defaultMessageContext()->clear();
bool alt = ( MOD__ALT
|| (keyval == GDK_Alt_L)
|| (keyval == GDK_Alt_R)
|| (keyval == GDK_Meta_L)
|| (keyval == GDK_Meta_R));
if (Inkscape::Rubberband::get(desktop)->is_started()) {
// if Alt then change cursor to moving cursor:
if (alt) {
Inkscape::Rubberband::get(desktop)->setMode(RUBBERBAND_MODE_RECT);
}
}
}
// set cursor to default.
if (!desktop->isWaitingCursor()) {
desktop->setCursor(event_context->cursor_shape);
}
break;
default:
break;
}
if (!ret) {
if (((SPEventContextClass *) parent_class)->root_handler)
ret = ((SPEventContextClass *) parent_class)->root_handler(event_context, event);
}
return ret;
}
bool
sp_item_list_to_curves(const GSList *items, GSList **selected, GSList **to_select, bool skip_all_lpeitems)
{
bool did = false;
for (;
items != NULL;
items = items->next) {
SPItem *item = SP_ITEM(items->data);
SPDocument *document = item->document;
if ( skip_all_lpeitems &&
SP_IS_LPE_ITEM(item) &&
!SP_IS_GROUP(item) ) // also convert objects in an SPGroup when skip_all_lpeitems is set.
{
continue;
}
if (SP_IS_PATH(item) && !SP_PATH(item)->original_curve) {
continue; // already a path, and no path effect
}
if (SP_IS_BOX3D(item)) {
// convert 3D box to ordinary group of paths; replace the old element in 'selected' with the new group
Inkscape::XML::Node *repr = SP_OBJECT_REPR(box3d_convert_to_group(SP_BOX3D(item)));
if (repr) {
*to_select = g_slist_prepend (*to_select, repr);
did = true;
*selected = g_slist_remove (*selected, item);
}
continue;
}
if (SP_IS_GROUP(item)) {
sp_lpe_item_remove_all_path_effects(SP_LPE_ITEM(item), true);
GSList *item_list = sp_item_group_item_list(SP_GROUP(item));
GSList *item_to_select = NULL;
GSList *item_selected = NULL;
if (sp_item_list_to_curves(item_list, &item_selected, &item_to_select))
did = true;
g_slist_free(item_list);
g_slist_free(item_to_select);
g_slist_free(item_selected);
continue;
}
Inkscape::XML::Node *repr = sp_selected_item_to_curved_repr(item, 0);
if (!repr)
continue;
did = true;
*selected = g_slist_remove (*selected, item);
// remember the position of the item
gint pos = SP_OBJECT_REPR(item)->position();
// remember parent
Inkscape::XML::Node *parent = SP_OBJECT_REPR(item)->parent();
// remember id
char const *id = SP_OBJECT_REPR(item)->attribute("id");
// remember title
gchar *title = item->title();
// remember description
gchar *desc = item->desc();
// It's going to resurrect, so we delete without notifying listeners.
SP_OBJECT(item)->deleteObject(false);
// restore id
repr->setAttribute("id", id);
// add the new repr to the parent
parent->appendChild(repr);
SPObject* newObj = document->getObjectByRepr(repr);
if (title && newObj) {
newObj->setTitle(title);
g_free(title);
}
if (desc && newObj) {
newObj->setDesc(desc);
g_free(desc);
}
// move to the saved position
repr->setPosition(pos > 0 ? pos : 0);
/* Buglet: We don't re-add the (new version of the) object to the selection of any other
* desktops where it was previously selected. */
*to_select = g_slist_prepend (*to_select, repr);
Inkscape::GC::release(repr);
}
return did;
}
