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;
}
/**
Handles all keyboard and mouse input for meshs.
*/
static gint
sp_mesh_context_root_handler(SPEventContext *event_context, GdkEvent *event)
{
// static int count = 0;
// std::cout << "sp_mesh_context_root_handler: " << count++ << std::endl;
static bool dragging;
SPDesktop *desktop = event_context->desktop;
Inkscape::Selection *selection = sp_desktop_selection (desktop);
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
SPMeshContext *rc = SP_MESH_CONTEXT(event_context);
event_context->tolerance = prefs->getIntLimited("/options/dragtolerance/value", 0, 0, 100);
double const nudge = prefs->getDoubleLimited("/options/nudgedistance/value", 2, 0, 1000, "px"); // in px
GrDrag *drag = event_context->_grdrag;
g_assert (drag);
gint ret = FALSE;
switch (event->type) {
case GDK_2BUTTON_PRESS:
#ifdef DEBUG_MESH
std::cout << "sp_mesh_context_root_handler: GDK_2BUTTON_PRESS" << std::endl;
#endif
// Double click:
// If over a mesh line, divide mesh row/column
// If not over a line, create new gradients for selected objects.
if ( event->button.button == 1 ) {
// Are we over a mesh line?
bool over_line = false;
SPCtrlCurve *line = NULL;
if (drag->lines) {
for (GSList *l = drag->lines; (l != NULL) && (!over_line); l = l->next) {
line = (SPCtrlCurve*) l->data;
over_line |= sp_mesh_context_is_over_line (rc, (SPItem*) line, Geom::Point(event->motion.x, event->motion.y));
}
}
if (over_line) {
// We take the first item in selection, because with doubleclick, the first click
// always resets selection to the single object under cursor
sp_mesh_context_split_near_point(rc, SP_ITEM(selection->itemList()->data), rc->mousepoint_doc, event->button.time);
} else {
// Create a new gradient with default coordinates.
for (GSList const* i = selection->itemList(); i != NULL; i = i->next) {
SPItem *item = SP_ITEM(i->data);
SPGradientType new_type = SP_GRADIENT_TYPE_MESH;
Inkscape::PaintTarget fsmode = (prefs->getInt("/tools/gradient/newfillorstroke", 1) != 0) ? Inkscape::FOR_FILL : Inkscape::FOR_STROKE;
#ifdef DEBUG_MESH
std::cout << "sp_mesh_context_root_handler: creating new mesh on: " << (fsmode == Inkscape::FOR_FILL ? "Fill" : "Stroke") << std::endl;
#endif
SPGradient *vector = sp_gradient_vector_for_object(sp_desktop_document(desktop), desktop, item, fsmode);
SPGradient *priv = sp_item_set_gradient(item, vector, new_type, fsmode);
sp_gradient_reset_to_userspace(priv, item);
}
DocumentUndo::done(sp_desktop_document (desktop), SP_VERB_CONTEXT_MESH,
_("Create default mesh"));
}
ret = TRUE;
}
break;
case GDK_BUTTON_PRESS:
#ifdef DEBUG_MESH
std::cout << "sp_mesh_context_root_handler: GDK_BUTTON_PRESS" << std::endl;
#endif
// Button down
// If Shift key down: do rubber band selection
// Else set origin for drag. A drag creates a new gradient if one does not exist
if ( event->button.button == 1 && !event_context->space_panning ) {
Geom::Point button_w(event->button.x, event->button.y);
// save drag origin
event_context->xp = (gint) button_w[Geom::X];
event_context->yp = (gint) button_w[Geom::Y];
event_context->within_tolerance = true;
dragging = true;
Geom::Point button_dt = desktop->w2d(button_w);
if (event->button.state & GDK_SHIFT_MASK) {
Inkscape::Rubberband::get(desktop)->start(desktop, button_dt);
} else {
// remember clicked item, disregarding groups, honoring Alt; do nothing with Crtl to
// enable Ctrl+doubleclick of exactly the selected item(s)
if (!(event->button.state & GDK_CONTROL_MASK))
event_context->item_to_select = sp_event_context_find_item (desktop, button_w, event->button.state & GDK_MOD1_MASK, TRUE);
if (!selection->isEmpty()) {
SnapManager &m = desktop->namedview->snap_manager;
m.setup(desktop);
m.freeSnapReturnByRef(button_dt, Inkscape::SNAPSOURCE_NODE_HANDLE);
m.unSetup();
}
rc->origin = button_dt;
}
ret = TRUE;
}
break;
case GDK_MOTION_NOTIFY:
// Mouse move
if ( dragging
&& ( event->motion.state & GDK_BUTTON1_MASK ) && !event_context->space_panning )
{
#ifdef DEBUG_MESH
std::cout << "sp_mesh_context_root_handler: GDK_MOTION_NOTIFY: Dragging" << std::endl;
#endif
if ( event_context->within_tolerance
&& ( abs( (gint) event->motion.x - event_context->xp ) < event_context->tolerance )
&& ( abs( (gint) event->motion.y - event_context->yp ) < event_context->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 draw, not click), then always process the
// motion notify coordinates as given (no snapping back to origin)
event_context->within_tolerance = false;
Geom::Point const motion_w(event->motion.x,
event->motion.y);
Geom::Point const motion_dt = event_context->desktop->w2d(motion_w);
if (Inkscape::Rubberband::get(desktop)->is_started()) {
Inkscape::Rubberband::get(desktop)->move(motion_dt);
event_context->defaultMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Draw around</b> handles to select them"));
} else {
// Create new gradient with coordinates determined by drag.
sp_mesh_drag(*rc, motion_dt, event->motion.state, event->motion.time);
}
gobble_motion_events(GDK_BUTTON1_MASK);
ret = TRUE;
} else {
// Not dragging
// Do snapping
if (!drag->mouseOver() && !selection->isEmpty()) {
SnapManager &m = desktop->namedview->snap_manager;
m.setup(desktop);
Geom::Point const motion_w(event->motion.x, event->motion.y);
Geom::Point const motion_dt = event_context->desktop->w2d(motion_w);
m.preSnap(Inkscape::SnapCandidatePoint(motion_dt, Inkscape::SNAPSOURCE_OTHER_HANDLE));
m.unSetup();
}
// Highlight corner node corresponding to side or tensor node
if( drag->mouseOver() ) {
// MESH FIXME: Light up corresponding corner node corresponding to node we are over.
// See "pathflash" in ui/tools/node-tool.cpp for ideas.
// Use desktop->add_temporary_canvasitem( SPCanvasItem, milliseconds );
}
// Change cursor shape if over line
bool over_line = false;
if (drag->lines) {
for (GSList *l = drag->lines; l != NULL; l = l->next) {
over_line |= sp_mesh_context_is_over_line (rc, (SPItem*) l->data, Geom::Point(event->motion.x, event->motion.y));
}
}
if (rc->cursor_addnode && !over_line) {
event_context->cursor_shape = cursor_gradient_xpm;
sp_event_context_update_cursor(event_context);
rc->cursor_addnode = false;
} else if (!rc->cursor_addnode && over_line) {
event_context->cursor_shape = cursor_gradient_add_xpm;
sp_event_context_update_cursor(event_context);
rc->cursor_addnode = true;
}
}
break;
case GDK_BUTTON_RELEASE:
#ifdef DEBUG_MESH
std::cout << "sp_mesh_context_root_handler: GDK_BUTTON_RELEASE" << std::endl;
#endif
event_context->xp = event_context->yp = 0;
if ( event->button.button == 1 && !event_context->space_panning ) {
// Check if over line
bool over_line = false;
SPCtrlLine *line = NULL;
if (drag->lines) {
for (GSList *l = drag->lines; (l != NULL) && (!over_line); l = l->next) {
line = (SPCtrlLine*) l->data;
over_line = sp_mesh_context_is_over_line (rc, (SPItem*) line, Geom::Point(event->motion.x, event->motion.y));
if (over_line)
break;
}
}
if ( (event->button.state & GDK_CONTROL_MASK) && (event->button.state & GDK_MOD1_MASK ) ) {
if (over_line && line) {
sp_mesh_context_split_near_point(rc, line->item, rc->mousepoint_doc, 0);
ret = TRUE;
}
} else {
dragging = false;
// unless clicked with Ctrl (to enable Ctrl+doubleclick).
if (event->button.state & GDK_CONTROL_MASK) {
ret = TRUE;
break;
}
if (!event_context->within_tolerance) {
// we've been dragging, either do nothing (grdrag handles that),
// or rubberband-select if we have rubberband
Inkscape::Rubberband *r = Inkscape::Rubberband::get(desktop);
if (r->is_started() && !event_context->within_tolerance) {
// this was a rubberband drag
if (r->getMode() == RUBBERBAND_MODE_RECT) {
Geom::OptRect const b = r->getRectangle();
drag->selectRect(*b);
}
}
} else if (event_context->item_to_select) {
if (over_line && line) {
// Clicked on an existing mesh line, don't change selection. This stops
// possible change in selection during a double click with overlapping objects
}
else {
// no dragging, select clicked item if any
if (event->button.state & GDK_SHIFT_MASK) {
selection->toggle(event_context->item_to_select);
} else {
selection->set(event_context->item_to_select);
}
}
} else {
// click in an empty space; do the same as Esc
if (drag->selected) {
drag->deselectAll();
} else {
selection->clear();
}
}
event_context->item_to_select = NULL;
ret = TRUE;
}
Inkscape::Rubberband::get(desktop)->stop();
}
break;
case GDK_KEY_PRESS:
#ifdef DEBUG_MESH
std::cout << "sp_mesh_context_root_handler: GDK_KEY_PRESS" << std::endl;
#endif
// FIXME: tip
switch (get_group0_keyval (&event->key)) {
case GDK_KEY_Alt_L:
case GDK_KEY_Alt_R:
case GDK_KEY_Control_L:
case GDK_KEY_Control_R:
case GDK_KEY_Shift_L:
case GDK_KEY_Shift_R:
case GDK_KEY_Meta_L: // Meta is when you press Shift+Alt (at least on my machine)
case GDK_KEY_Meta_R:
sp_event_show_modifier_tip (event_context->defaultMessageContext(), event,
_("FIXME<b>Ctrl</b>: snap mesh angle"),
_("FIXME<b>Shift</b>: draw mesh around the starting point"),
NULL);
break;
case GDK_KEY_A:
case GDK_KEY_a:
if (MOD__CTRL_ONLY && drag->isNonEmpty()) {
drag->selectAll();
ret = TRUE;
}
break;
case GDK_KEY_Escape:
if (drag->selected) {
drag->deselectAll();
} else {
selection->clear();
}
ret = TRUE;
//TODO: make dragging escapable by Esc
break;
case GDK_KEY_Left: // move handle left
case GDK_KEY_KP_Left:
case GDK_KEY_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) drag->selected_move_screen(mul*-10, 0); // shift
else drag->selected_move_screen(mul*-1, 0); // no shift
}
else { // no alt
if (MOD__SHIFT) drag->selected_move(mul*-10*nudge, 0); // shift
else drag->selected_move(mul*-nudge, 0); // no shift
}
ret = TRUE;
}
break;
case GDK_KEY_Up: // move handle up
case GDK_KEY_KP_Up:
case GDK_KEY_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) drag->selected_move_screen(0, mul*10); // shift
else drag->selected_move_screen(0, mul*1); // no shift
}
else { // no alt
if (MOD__SHIFT) drag->selected_move(0, mul*10*nudge); // shift
else drag->selected_move(0, mul*nudge); // no shift
}
ret = TRUE;
}
break;
case GDK_KEY_Right: // move handle right
case GDK_KEY_KP_Right:
case GDK_KEY_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) drag->selected_move_screen(mul*10, 0); // shift
else drag->selected_move_screen(mul*1, 0); // no shift
}
else { // no alt
if (MOD__SHIFT) drag->selected_move(mul*10*nudge, 0); // shift
else drag->selected_move(mul*nudge, 0); // no shift
}
ret = TRUE;
}
break;
case GDK_KEY_Down: // move handle down
case GDK_KEY_KP_Down:
case GDK_KEY_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) drag->selected_move_screen(0, mul*-10); // shift
else drag->selected_move_screen(0, mul*-1); // no shift
}
else { // no alt
if (MOD__SHIFT) drag->selected_move(0, mul*-10*nudge); // shift
else drag->selected_move(0, mul*-nudge); // no shift
}
ret = TRUE;
}
break;
case GDK_KEY_Insert:
case GDK_KEY_KP_Insert:
// with any modifiers:
//sp_gradient_context_add_stops_between_selected_stops (rc);
std::cout << "Inserting stops between selected stops not implemented yet" << std::endl;
ret = TRUE;
break;
case GDK_KEY_Delete:
case GDK_KEY_KP_Delete:
case GDK_KEY_BackSpace:
if ( drag->selected ) {
std::cout << "Deleting mesh stops not implemented yet" << std::endl;
ret = TRUE;
}
break;
// Mesh Operations --------------------------------------------
case GDK_KEY_b: // Toggle mesh side between lineto and curveto.
case GDK_KEY_B:
if (MOD__ALT && drag->isNonEmpty() && drag->hasSelection()) {
sp_mesh_context_corner_operation ( rc, MG_CORNER_SIDE_TOGGLE );
ret = TRUE;
}
break;
case GDK_KEY_c: // Convert mesh side from generic Bezier to Bezier approximating arc,
case GDK_KEY_C: // preserving handle direction.
if (MOD__ALT && drag->isNonEmpty() && drag->hasSelection()) {
sp_mesh_context_corner_operation ( rc, MG_CORNER_SIDE_ARC );
ret = TRUE;
}
break;
case GDK_KEY_g: // Toggle mesh tensor points on/off
case GDK_KEY_G:
if (MOD__ALT && drag->isNonEmpty() && drag->hasSelection()) {
sp_mesh_context_corner_operation ( rc, MG_CORNER_TENSOR_TOGGLE );
ret = TRUE;
}
break;
case GDK_KEY_j: // Smooth corner color
case GDK_KEY_J:
if (MOD__ALT && drag->isNonEmpty() && drag->hasSelection()) {
sp_mesh_context_corner_operation ( rc, MG_CORNER_COLOR_SMOOTH );
ret = TRUE;
}
break;
case GDK_KEY_k: // Pick corner color
case GDK_KEY_K:
if (MOD__ALT && drag->isNonEmpty() && drag->hasSelection()) {
sp_mesh_context_corner_operation ( rc, MG_CORNER_COLOR_PICK );
ret = TRUE;
}
break;
default:
break;
}
break;
case GDK_KEY_RELEASE:
#ifdef DEBUG_MESH
std::cout << "sp_mesh_context_root_handler: GDK_KEY_RELEASE" << std::endl;
#endif
switch (get_group0_keyval (&event->key)) {
case GDK_KEY_Alt_L:
case GDK_KEY_Alt_R:
case GDK_KEY_Control_L:
case GDK_KEY_Control_R:
case GDK_KEY_Shift_L:
case GDK_KEY_Shift_R:
case GDK_KEY_Meta_L: // Meta is when you press Shift+Alt
case GDK_KEY_Meta_R:
event_context->defaultMessageContext()->clear();
break;
default:
break;
}
break;
default:
break;
}
if (!ret) {
if (((SPEventContextClass *) parent_class)->root_handler) {
ret = ((SPEventContextClass *) parent_class)->root_handler(event_context, event);
}
}
return ret;
}