static void
pencil_cancel (SPPencilContext *const pc)
{
if (pc->grab) {
/* Release grab now */
sp_canvas_item_ungrab(pc->grab, 0);
pc->grab = NULL;
}
pc->is_drawing = false;
pc->state = SP_PENCIL_CONTEXT_IDLE;
pc->red_curve->reset();
sp_canvas_bpath_set_bpath(SP_CANVAS_BPATH(pc->red_bpath), NULL);
while (pc->green_bpaths) {
gtk_object_destroy(GTK_OBJECT(pc->green_bpaths->data));
pc->green_bpaths = g_slist_remove(pc->green_bpaths, pc->green_bpaths->data);
}
pc->green_curve->reset();
if (pc->green_anchor) {
pc->green_anchor = sp_draw_anchor_destroy(pc->green_anchor);
}
pc->_message_context->clear();
pc->_message_context->flash(Inkscape::NORMAL_MESSAGE, _("Drawing cancelled"));
sp_canvas_end_forced_full_redraws(pc->desktop->canvas);
}
void ZoomTool::finish() {
this->enableGrDrag(false);
if (this->grabbed) {
sp_canvas_item_ungrab(this->grabbed, GDK_CURRENT_TIME);
this->grabbed = NULL;
}
}
static gint
sp_star_context_root_handler (SPEventContext * event_context, GdkEvent * event)
{
static gboolean dragging;
SPStarContext * sc;
gint ret;
SPDesktop * desktop;
desktop = event_context->desktop;
sc = SP_STAR_CONTEXT (event_context);
ret = FALSE;
switch (event->type) {
case GDK_BUTTON_PRESS:
if (event->button.button == 1) {
NRPointF fp;
dragging = TRUE;
/* Position center */
sp_desktop_w2d_xy_point (event_context->desktop, &fp, event->button.x, event->button.y);
sc->center.x = fp.x;
sc->center.y = fp.y;
/* Snap center to nearest magnetic point */
sp_desktop_free_snap (event_context->desktop, &sc->center);
sp_canvas_item_grab (SP_CANVAS_ITEM (desktop->acetate),
GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_BUTTON_PRESS_MASK,
NULL, event->button.time);
ret = TRUE;
}
break;
case GDK_MOTION_NOTIFY:
if (dragging && (event->motion.state & GDK_BUTTON1_MASK)) {
NRPointF p;
sp_desktop_w2d_xy_point (event_context->desktop, &p, event->motion.x, event->motion.y);
sp_star_drag (sc, p.x, p.y, event->motion.state);
ret = TRUE;
}
break;
case GDK_BUTTON_RELEASE:
if (event->button.button == 1) {
dragging = FALSE;
sp_star_finish (sc);
ret = TRUE;
sp_canvas_item_ungrab (SP_CANVAS_ITEM (desktop->acetate), event->button.time);
}
break;
default:
break;
}
if (!ret) {
if (((SPEventContextClass *) parent_class)->root_handler)
ret = ((SPEventContextClass *) parent_class)->root_handler (event_context, event);
}
return ret;
}
static void
sp_zoom_context_finish (SPEventContext *ec)
{
SPZoomContext *zc = SP_ZOOM_CONTEXT(ec);
ec->enableGrDrag(false);
if (zc->grabbed) {
sp_canvas_item_ungrab(zc->grabbed, GDK_CURRENT_TIME);
zc->grabbed = NULL;
}
}
static void sp_box3d_context_finish(SPEventContext *ec)
{
Box3DContext *bc = SP_BOX3D_CONTEXT(ec);
SPDesktop *desktop = ec->desktop;
sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate), GDK_CURRENT_TIME);
sp_box3d_finish(bc);
bc->sel_changed_connection.disconnect();
// sp_repr_remove_listener_by_data(cc->active_shape_repr, cc);
if (((SPEventContextClass *) parent_class)->finish) {
((SPEventContextClass *) parent_class)->finish(ec);
}
}
static void
sp_draw_context_finish (SPEventContext *ec)
{
SPDrawContext *dc;
dc = SP_DRAW_CONTEXT (ec);
if (dc->grab) {
sp_canvas_item_ungrab (dc->grab, GDK_CURRENT_TIME);
}
if (dc->selection) {
sp_signal_disconnect_by_data (dc->selection, dc);
dc->selection = NULL;
}
spdc_free_colors (dc);
}
static void
sp_select_context_dispose(GObject *object)
{
SPSelectContext *sc = SP_SELECT_CONTEXT(object);
SPEventContext * ec = SP_EVENT_CONTEXT (object);
ec->enableGrDrag(false);
if (sc->grabbed) {
sp_canvas_item_ungrab(sc->grabbed, GDK_CURRENT_TIME);
sc->grabbed = NULL;
}
delete sc->_seltrans;
sc->_seltrans = NULL;
delete sc->_describer;
sc->_describer = NULL;
G_OBJECT_CLASS(parent_class)->dispose(object);
}
static void
sp_draw_context_dispose (GObject *object)
{
SPDrawContext *dc;
dc = SP_DRAW_CONTEXT (object);
if (dc->grab) {
sp_canvas_item_ungrab (dc->grab, GDK_CURRENT_TIME);
dc->grab = NULL;
}
if (dc->selection) {
sp_signal_disconnect_by_data (dc->selection, dc);
dc->selection = NULL;
}
spdc_free_colors (dc);
G_OBJECT_CLASS (draw_parent_class)->dispose (object);
}
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;
}
static gint
sp_select_context_item_handler(SPEventContext *event_context, SPItem *item, GdkEvent *event)
{
gint ret = FALSE;
SPDesktop *desktop = event_context->desktop;
SPSelectContext *sc = SP_SELECT_CONTEXT(event_context);
Inkscape::SelTrans *seltrans = sc->_seltrans;
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
tolerance = prefs->getIntLimited("/options/dragtolerance/value", 0, 0, 100);
// 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_BUTTON_PRESS:
if (event->button.button == 1 && !event_context->space_panning) {
/* Left mousebutton */
// save drag origin
xp = (gint) event->button.x;
yp = (gint) event->button.y;
within_tolerance = true;
// 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;
if (event->button.state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK | GDK_MOD1_MASK)) {
// if shift or ctrl was pressed, do not move objects;
// pass the event to root handler which will perform rubberband, shift-click, ctrl-click, ctrl-drag
} else {
sc->dragging = TRUE;
sc->moved = FALSE;
desktop->setCursor(SP_SELECT_D_CURSOR);
desktop->canvas->force_full_redraw_after_interruptions(5);
// remember the clicked item in sc->item:
if (sc->item) {
sp_object_unref(sc->item, NULL);
sc->item = NULL;
}
sc->item = sp_event_context_find_item (desktop,
Geom::Point(event->button.x, event->button.y), event->button.state & GDK_MOD1_MASK, FALSE);
sp_object_ref(sc->item, NULL);
rb_escaped = drag_escaped = 0;
if (sc->grabbed) {
sp_canvas_item_ungrab(sc->grabbed, event->button.time);
sc->grabbed = NULL;
}
sp_canvas_item_grab(SP_CANVAS_ITEM(desktop->drawing),
GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK | GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK |
GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK,
NULL, event->button.time);
sc->grabbed = SP_CANVAS_ITEM(desktop->drawing);
desktop->canvas->force_full_redraw_after_interruptions(5);
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_ENTER_NOTIFY:
{
if (!desktop->isWaitingCursor() && !sc->dragging) {
desktop->setCursor(SP_SELECT_CURSOR);
}
break;
}
case GDK_LEAVE_NOTIFY:
if (!desktop->isWaitingCursor() && !sc->dragging)
desktop->setCursor(event_context->cursor_shape);
break;
case GDK_KEY_PRESS:
if (get_group0_keyval (&event->key) == GDK_space) {
if (sc->dragging && sc->grabbed) {
/* stamping mode: show content mode moving */
seltrans->stamp();
ret = TRUE;
}
}
break;
default:
break;
}
if (!ret) {
if (((SPEventContextClass *) parent_class)->item_handler)
ret = ((SPEventContextClass *) parent_class)->item_handler(event_context, item, event);
}
return ret;
}
static gint sp_box3d_context_root_handler(SPEventContext *event_context, GdkEvent *event)
{
static bool dragging;
SPDesktop *desktop = event_context->desktop;
SPDocument *document = sp_desktop_document (desktop);
Inkscape::Selection *selection = sp_desktop_selection (desktop);
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
int const snaps = prefs->getInt("/options/rotationsnapsperpi/value", 12);
Box3DContext *bc = SP_BOX3D_CONTEXT(event_context);
Persp3D *cur_persp = document->getCurrentPersp3D();
event_context->tolerance = prefs->getIntLimited("/options/dragtolerance/value", 0, 0, 100);
gint ret = FALSE;
switch (event->type) {
case GDK_BUTTON_PRESS:
if ( event->button.button == 1 && !event_context->space_panning) {
Geom::Point const 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;
// remember clicked item, *not* disregarding groups (since a 3D box is a group), honoring Alt
event_context->item_to_select = sp_event_context_find_item (desktop, button_w, event->button.state & GDK_MOD1_MASK, event->button.state & GDK_CONTROL_MASK);
dragging = true;
/* */
Geom::Point button_dt(desktop->w2d(button_w));
bc->drag_origin = from_2geom(button_dt);
bc->drag_ptB = from_2geom(button_dt);
bc->drag_ptC = from_2geom(button_dt);
// This can happen after saving when the last remaining perspective was purged and must be recreated.
if (!cur_persp) {
sp_box3d_context_ensure_persp_in_defs(document);
cur_persp = document->getCurrentPersp3D();
}
/* Projective preimages of clicked point under current perspective */
bc->drag_origin_proj = cur_persp->perspective_impl->tmat.preimage (from_2geom(button_dt), 0, Proj::Z);
bc->drag_ptB_proj = bc->drag_origin_proj;
bc->drag_ptC_proj = bc->drag_origin_proj;
bc->drag_ptC_proj.normalize();
bc->drag_ptC_proj[Proj::Z] = 0.25;
/* Snap center */
SnapManager &m = desktop->namedview->snap_manager;
m.setup(desktop, true, bc->item);
m.freeSnapReturnByRef(button_dt, Inkscape::SNAPSOURCE_NODE_HANDLE);
bc->center = from_2geom(button_dt);
sp_canvas_item_grab(SP_CANVAS_ITEM(desktop->acetate),
( GDK_KEY_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK |
GDK_BUTTON_PRESS_MASK ),
NULL, event->button.time);
ret = TRUE;
}
break;
case GDK_MOTION_NOTIFY:
if ( dragging
&& ( event->motion.state & GDK_BUTTON1_MASK ) && !event_context->space_panning)
{
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 motion_dt(desktop->w2d(motion_w));
SnapManager &m = desktop->namedview->snap_manager;
m.setup(desktop, true, bc->item);
m.freeSnapReturnByRef(motion_dt, Inkscape::SNAPSOURCE_NODE_HANDLE);
bc->ctrl_dragged = event->motion.state & GDK_CONTROL_MASK;
if (event->motion.state & GDK_SHIFT_MASK && !bc->extruded && bc->item) {
// once shift is pressed, set bc->extruded
bc->extruded = true;
}
if (!bc->extruded) {
bc->drag_ptB = from_2geom(motion_dt);
bc->drag_ptC = from_2geom(motion_dt);
bc->drag_ptB_proj = cur_persp->perspective_impl->tmat.preimage (from_2geom(motion_dt), 0, Proj::Z);
bc->drag_ptC_proj = bc->drag_ptB_proj;
bc->drag_ptC_proj.normalize();
bc->drag_ptC_proj[Proj::Z] = 0.25;
} else {
// Without Ctrl, motion of the extruded corner is constrained to the
// perspective line from drag_ptB to vanishing point Y.
if (!bc->ctrl_dragged) {
/* snapping */
Box3D::PerspectiveLine pline (bc->drag_ptB, Proj::Z, document->getCurrentPersp3D());
bc->drag_ptC = pline.closest_to (from_2geom(motion_dt));
bc->drag_ptB_proj.normalize();
bc->drag_ptC_proj = cur_persp->perspective_impl->tmat.preimage (bc->drag_ptC, bc->drag_ptB_proj[Proj::X], Proj::X);
} else {
bc->drag_ptC = from_2geom(motion_dt);
bc->drag_ptB_proj.normalize();
bc->drag_ptC_proj = cur_persp->perspective_impl->tmat.preimage (from_2geom(motion_dt), bc->drag_ptB_proj[Proj::X], Proj::X);
}
m.freeSnapReturnByRef(bc->drag_ptC, Inkscape::SNAPSOURCE_NODE_HANDLE);
}
sp_box3d_drag(*bc, event->motion.state);
ret = TRUE;
} else if (!sp_event_context_knot_mouseover(bc)) {
SnapManager &m = desktop->namedview->snap_manager;
m.setup(desktop);
Geom::Point const motion_w(event->motion.x, event->motion.y);
Geom::Point motion_dt(desktop->w2d(motion_w));
m.preSnap(Inkscape::SnapCandidatePoint(motion_dt, Inkscape::SNAPSOURCE_NODE_HANDLE));
}
break;
case GDK_BUTTON_RELEASE:
event_context->xp = event_context->yp = 0;
if ( event->button.button == 1 && !event_context->space_panning) {
dragging = false;
sp_event_context_discard_delayed_snap_event(event_context);
if (!event_context->within_tolerance) {
// we've been dragging, finish the box
sp_box3d_finish(bc);
} else if (event_context->item_to_select) {
// 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
selection->clear();
}
event_context->item_to_select = NULL;
ret = TRUE;
sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate),
event->button.time);
}
break;
case GDK_KEY_PRESS:
switch (get_group0_keyval (&event->key)) {
case GDK_Up:
case GDK_Down:
case GDK_KP_Up:
case GDK_KP_Down:
// prevent the zoom field from activation
if (!MOD__CTRL_ONLY)
ret = TRUE;
break;
case GDK_bracketright:
persp3d_rotate_VP (document->getCurrentPersp3D(), Proj::X, -180/snaps, MOD__ALT);
sp_document_done(document, SP_VERB_CONTEXT_3DBOX,
_("Change perspective (angle of PLs)"));
ret = true;
break;
case GDK_bracketleft:
persp3d_rotate_VP (document->getCurrentPersp3D(), Proj::X, 180/snaps, MOD__ALT);
sp_document_done(document, SP_VERB_CONTEXT_3DBOX,
_("Change perspective (angle of PLs)"));
ret = true;
break;
case GDK_parenright:
persp3d_rotate_VP (document->getCurrentPersp3D(), Proj::Y, -180/snaps, MOD__ALT);
sp_document_done(document, SP_VERB_CONTEXT_3DBOX,
_("Change perspective (angle of PLs)"));
ret = true;
break;
case GDK_parenleft:
persp3d_rotate_VP (document->getCurrentPersp3D(), Proj::Y, 180/snaps, MOD__ALT);
sp_document_done(document, SP_VERB_CONTEXT_3DBOX,
_("Change perspective (angle of PLs)"));
ret = true;
break;
case GDK_braceright:
persp3d_rotate_VP (document->getCurrentPersp3D(), Proj::Z, -180/snaps, MOD__ALT);
sp_document_done(document, SP_VERB_CONTEXT_3DBOX,
_("Change perspective (angle of PLs)"));
ret = true;
break;
case GDK_braceleft:
persp3d_rotate_VP (document->getCurrentPersp3D(), Proj::Z, 180/snaps, MOD__ALT);
sp_document_done(document, SP_VERB_CONTEXT_3DBOX,
_("Change perspective (angle of PLs)"));
ret = true;
break;
/* TODO: what is this???
case GDK_O:
if (MOD__CTRL && MOD__SHIFT) {
Box3D::create_canvas_point(persp3d_get_VP(document()->getCurrentPersp3D(), Proj::W).affine(),
6, 0xff00ff00);
}
ret = true;
break;
*/
case GDK_g:
case GDK_G:
if (MOD__SHIFT_ONLY) {
sp_selection_to_guides(desktop);
ret = true;
}
break;
case GDK_p:
case GDK_P:
if (MOD__SHIFT_ONLY) {
if (document->getCurrentPersp3D()) {
persp3d_print_debugging_info (document->getCurrentPersp3D());
}
ret = true;
}
break;
case GDK_x:
case GDK_X:
if (MOD__ALT_ONLY) {
desktop->setToolboxFocusTo ("altx-box3d");
ret = TRUE;
}
if (MOD__SHIFT_ONLY) {
persp3d_toggle_VPs(selection->perspList(), Proj::X);
bc->_vpdrag->updateLines(); // FIXME: Shouldn't this be done automatically?
ret = true;
}
break;
case GDK_y:
case GDK_Y:
if (MOD__SHIFT_ONLY) {
persp3d_toggle_VPs(selection->perspList(), Proj::Y);
bc->_vpdrag->updateLines(); // FIXME: Shouldn't this be done automatically?
ret = true;
}
break;
case GDK_z:
case GDK_Z:
if (MOD__SHIFT_ONLY) {
persp3d_toggle_VPs(selection->perspList(), Proj::Z);
bc->_vpdrag->updateLines(); // FIXME: Shouldn't this be done automatically?
ret = true;
}
break;
case GDK_Escape:
sp_desktop_selection(desktop)->clear();
//TODO: make dragging escapable by Esc
break;
case GDK_space:
if (dragging) {
sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate),
event->button.time);
dragging = false;
sp_event_context_discard_delayed_snap_event(event_context);
if (!event_context->within_tolerance) {
// we've been dragging, finish the box
sp_box3d_finish(bc);
}
// do not return true, so that space would work switching to selector
}
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;
}
static gint sp_zoom_context_root_handler(SPEventContext *event_context, GdkEvent *event)
{
SPDesktop *desktop = event_context->desktop;
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
SPZoomContext *zc = SP_ZOOM_CONTEXT(event_context);
tolerance = prefs->getIntLimited("/options/dragtolerance/value", 0, 0, 100);
double const zoom_inc = prefs->getDoubleLimited("/options/zoomincrement/value", M_SQRT2, 1.01, 10);
gint ret = FALSE;
switch (event->type) {
case GDK_BUTTON_PRESS:
{
Geom::Point const button_w(event->button.x, event->button.y);
Geom::Point const button_dt(desktop->w2d(button_w));
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;
Inkscape::Rubberband::get(desktop)->start(desktop, button_dt);
escaped = false;
ret = TRUE;
} else if (event->button.button == 3) {
double const zoom_rel( (event->button.state & GDK_SHIFT_MASK)
? zoom_inc
: 1 / zoom_inc );
desktop->zoom_relative_keep_point(button_dt, zoom_rel);
ret = TRUE;
}
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);
zc->grabbed = SP_CANVAS_ITEM(desktop->acetate);
break;
}
case GDK_MOTION_NOTIFY:
if (event->motion.state & GDK_BUTTON1_MASK && !event_context->space_panning) {
ret = TRUE;
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;
Geom::Point const motion_w(event->motion.x, event->motion.y);
Geom::Point const motion_dt(desktop->w2d(motion_w));
Inkscape::Rubberband::get(desktop)->move(motion_dt);
gobble_motion_events(GDK_BUTTON1_MASK);
}
break;
case GDK_BUTTON_RELEASE:
{
Geom::Point const button_w(event->button.x, event->button.y);
Geom::Point const button_dt(desktop->w2d(button_w));
if ( event->button.button == 1 && !event_context->space_panning) {
Geom::OptRect const b = Inkscape::Rubberband::get(desktop)->getRectangle();
if (b && !within_tolerance) {
desktop->set_display_area(*b, 10);
} else if (!escaped) {
double const zoom_rel( (event->button.state & GDK_SHIFT_MASK)
? 1 / zoom_inc
: zoom_inc );
desktop->zoom_relative_keep_point(button_dt, zoom_rel);
}
ret = TRUE;
}
Inkscape::Rubberband::get(desktop)->stop();
if (zc->grabbed) {
sp_canvas_item_ungrab(zc->grabbed, event->button.time);
zc->grabbed = NULL;
}
xp = yp = 0;
escaped = false;
break;
}
case GDK_KEY_PRESS:
switch (get_group0_keyval (&event->key)) {
case GDK_Escape:
Inkscape::Rubberband::get(desktop)->stop();
xp = yp = 0;
escaped = true;
ret = TRUE;
break;
case GDK_Up:
case GDK_Down:
case GDK_KP_Up:
case GDK_KP_Down:
// prevent the zoom field from activation
if (!MOD__CTRL_ONLY)
ret = TRUE;
break;
case GDK_Shift_L:
case GDK_Shift_R:
event_context->cursor_shape = SP_ZOOM_OUT_CURSOR;
sp_event_context_update_cursor(event_context);
break;
default:
break;
}
break;
case GDK_KEY_RELEASE:
switch (get_group0_keyval (&event->key)) {
case GDK_Shift_L:
case GDK_Shift_R:
event_context->cursor_shape = SP_ZOOM_CURSOR;
sp_event_context_update_cursor(event_context);
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;
}
static gint
pencil_handle_button_release(SPPencilContext *const pc, GdkEventButton const &revent)
{
gint ret = FALSE;
SPEventContext *event_context = SP_EVENT_CONTEXT(pc);
if ( revent.button == 1 && pc->is_drawing && !event_context->space_panning) {
SPDesktop *const dt = pc->desktop;
pc->is_drawing = false;
/* Find desktop coordinates */
Geom::Point p = dt->w2d(Geom::Point(revent.x, revent.y));
/* Test whether we hit any anchor. */
SPDrawAnchor *anchor = spdc_test_inside(pc, Geom::Point(revent.x,
revent.y));
switch (pc->state) {
case SP_PENCIL_CONTEXT_IDLE:
/* Releasing button in idle mode means single click */
/* We have already set up start point/anchor in button_press */
if (!(revent.state & GDK_CONTROL_MASK)) {
// Ctrl+click creates a single point so only set context in ADDLINE mode when Ctrl isn't pressed
pc->state = SP_PENCIL_CONTEXT_ADDLINE;
}
ret = TRUE;
break;
case SP_PENCIL_CONTEXT_ADDLINE:
/* Finish segment now */
if (anchor) {
p = anchor->dp;
} else {
spdc_endpoint_snap(pc, p, revent.state);
}
pc->ea = anchor;
spdc_set_endpoint(pc, p);
spdc_finish_endpoint(pc);
pc->state = SP_PENCIL_CONTEXT_IDLE;
ret = TRUE;
break;
case SP_PENCIL_CONTEXT_FREEHAND:
if (revent.state & GDK_MOD1_MASK) {
/* sketch mode: interpolate the sketched path and improve the current output path with the new interpolation. don't finish sketch */
sketch_interpolate(pc);
if (pc->green_anchor) {
pc->green_anchor = sp_draw_anchor_destroy(pc->green_anchor);
}
pc->state = SP_PENCIL_CONTEXT_SKETCH;
} else {
/* Finish segment now */
/// \todo fixme: Clean up what follows (Lauris)
if (anchor) {
p = anchor->dp;
}
pc->ea = anchor;
/* Write curves to object */
dt->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Finishing freehand"));
interpolate(pc);
spdc_concat_colors_and_flush(pc, FALSE);
pc->sa = NULL;
pc->ea = NULL;
if (pc->green_anchor) {
pc->green_anchor = sp_draw_anchor_destroy(pc->green_anchor);
}
pc->state = SP_PENCIL_CONTEXT_IDLE;
// reset sketch mode too
pc->sketch_n = 0;
}
ret = TRUE;
break;
case SP_PENCIL_CONTEXT_SKETCH:
default:
break;
}
if (pc->grab) {
/* Release grab now */
sp_canvas_item_ungrab(pc->grab, revent.time);
pc->grab = NULL;
}
ret = TRUE;
}
return ret;
}
/**
* Called to handle events on knots.
*/
static int sp_knot_handler(SPCanvasItem */*item*/, GdkEvent *event, SPKnot *knot)
{
g_assert(knot != NULL);
g_assert(SP_IS_KNOT(knot));
/* Run client universal event handler, if present */
gboolean consumed = FALSE;
g_signal_emit(knot, knot_signals[EVENT], 0, event, &consumed);
if (consumed) {
return TRUE;
}
g_object_ref(knot);
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
tolerance = prefs->getIntLimited("/options/dragtolerance/value", 0, 0, 100);
switch (event->type) {
case GDK_2BUTTON_PRESS:
if (event->button.button == 1) {
g_signal_emit(knot, knot_signals[DOUBLECLICKED], 0, event->button.state);
grabbed = FALSE;
moved = FALSE;
consumed = TRUE;
}
break;
case GDK_BUTTON_PRESS:
if (event->button.button == 1 && !knot->desktop->event_context->space_panning) {
Geom::Point const p = knot->desktop->w2d(Geom::Point(event->button.x, event->button.y));
sp_knot_start_dragging(knot, p, (gint) event->button.x, (gint) event->button.y, event->button.time);
consumed = TRUE;
}
break;
case GDK_BUTTON_RELEASE:
if (event->button.button == 1 && !knot->desktop->event_context->space_panning) {
knot->pressure = 0;
if (transform_escaped) {
transform_escaped = false;
consumed = TRUE;
} else {
sp_knot_set_flag(knot, SP_KNOT_GRABBED, FALSE);
if (!nograb) {
sp_canvas_item_ungrab(knot->item, event->button.time);
}
if (moved) {
sp_knot_set_flag(knot,
SP_KNOT_DRAGGING,
FALSE);
g_signal_emit(knot,
knot_signals[UNGRABBED], 0,
event->button.state);
knot->_ungrabbed_signal.emit(knot);
} else {
g_signal_emit(knot,
knot_signals[CLICKED], 0,
event->button.state);
knot->_click_signal.emit(knot, event->button.state);
}
grabbed = FALSE;
moved = FALSE;
consumed = TRUE;
}
}
break;
case GDK_MOTION_NOTIFY:
if (grabbed && !knot->desktop->event_context->space_panning) {
consumed = TRUE;
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 (gdk_event_get_axis (event, GDK_AXIS_PRESSURE, &knot->pressure))
knot->pressure = CLAMP (knot->pressure, 0, 1);
else
knot->pressure = 0.5;
if (!moved) {
g_signal_emit(knot,
knot_signals[GRABBED], 0,
event->motion.state);
sp_knot_set_flag(knot,
SP_KNOT_DRAGGING,
TRUE);
}
Geom::Point const motion_w(event->motion.x, event->motion.y);
Geom::Point const motion_dt = knot->desktop->w2d(motion_w);
Geom::Point p = motion_dt - knot->grabbed_rel_pos;
sp_knot_request_position (knot, p, event->motion.state);
knot->desktop->scroll_to_point (motion_dt);
knot->desktop->set_coordinate_status(knot->pos); // display the coordinate of knot, not cursor - they may be different!
if (event->motion.state & GDK_BUTTON1_MASK)
gobble_motion_events(GDK_BUTTON1_MASK);
moved = TRUE;
}
break;
case GDK_ENTER_NOTIFY:
sp_knot_set_flag(knot, SP_KNOT_MOUSEOVER, TRUE);
sp_knot_set_flag(knot, SP_KNOT_GRABBED, FALSE);
if (knot->tip) {
knot->desktop->event_context->defaultMessageContext()->set(Inkscape::NORMAL_MESSAGE, knot->tip);
}
grabbed = FALSE;
moved = FALSE;
consumed = TRUE;
break;
case GDK_LEAVE_NOTIFY:
sp_knot_set_flag(knot, SP_KNOT_MOUSEOVER, FALSE);
sp_knot_set_flag(knot, SP_KNOT_GRABBED, FALSE);
if (knot->tip) {
knot->desktop->event_context->defaultMessageContext()->clear();
}
grabbed = FALSE;
moved = FALSE;
consumed = TRUE;
break;
case GDK_KEY_PRESS: // keybindings for knot
switch (get_group0_keyval(&event->key)) {
case GDK_Escape:
sp_knot_set_flag(knot, SP_KNOT_GRABBED, FALSE);
if (!nograb) {
sp_canvas_item_ungrab(knot->item, event->button.time);
}
if (moved) {
sp_knot_set_flag(knot,
SP_KNOT_DRAGGING,
FALSE);
g_signal_emit(knot,
knot_signals[UNGRABBED], 0,
event->button.state);
sp_document_undo(sp_desktop_document(knot->desktop));
knot->desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Node or handle drag canceled."));
transform_escaped = true;
consumed = TRUE;
}
grabbed = FALSE;
moved = FALSE;
break;
default:
consumed = FALSE;
break;
}
break;
default:
break;
}
g_object_unref(knot);
return consumed;
}
static gint
sp_spiral_context_root_handler(SPEventContext *event_context, GdkEvent *event)
{
static gboolean dragging;
SPDesktop *desktop = event_context->desktop;
Inkscape::Selection *selection = sp_desktop_selection (desktop);
SPSpiralContext *sc = SP_SPIRAL_CONTEXT(event_context);
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
event_context->tolerance = prefs->getIntLimited("/options/dragtolerance/value", 0, 0, 100);
gint ret = FALSE;
switch (event->type) {
case GDK_BUTTON_PRESS:
if (event->button.button == 1 && !event_context->space_panning) {
dragging = TRUE;
sc->center = Inkscape::setup_for_drag_start(desktop, event_context, event);
SnapManager &m = desktop->namedview->snap_manager;
m.setup(desktop);
Geom::Point pt2g = to_2geom(sc->center);
m.freeSnapReturnByRef(Inkscape::SnapPreferences::SNAPPOINT_NODE, pt2g);
sc->center = from_2geom(pt2g);
sp_canvas_item_grab(SP_CANVAS_ITEM(desktop->acetate),
( GDK_KEY_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_POINTER_MOTION_MASK |
GDK_POINTER_MOTION_HINT_MASK |
GDK_BUTTON_PRESS_MASK ),
NULL, event->button.time);
ret = TRUE;
}
break;
case GDK_MOTION_NOTIFY:
if (dragging && (event->motion.state & GDK_BUTTON1_MASK) && !event_context->space_panning) {
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 motion_dt(event_context->desktop->w2d(motion_w));
SnapManager &m = desktop->namedview->snap_manager;
m.setup(desktop, true, sc->item);
m.freeSnapReturnByRef(Inkscape::SnapPreferences::SNAPPOINT_NODE, motion_dt);
sp_spiral_drag(sc, from_2geom(motion_dt), event->motion.state);
gobble_motion_events(GDK_BUTTON1_MASK);
ret = TRUE;
}
break;
case GDK_BUTTON_RELEASE:
event_context->xp = event_context->yp = 0;
if (event->button.button == 1 && !event_context->space_panning) {
dragging = FALSE;
if (!event_context->within_tolerance) {
// we've been dragging, finish the spiral
sp_spiral_finish(sc);
} else if (event_context->item_to_select) {
// 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
selection->clear();
}
event_context->item_to_select = NULL;
ret = TRUE;
sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate), event->button.time);
}
break;
case GDK_KEY_PRESS:
switch (get_group0_keyval(&event->key)) {
case GDK_Alt_R:
case GDK_Control_L:
case GDK_Control_R:
case GDK_Shift_L:
case GDK_Shift_R:
case GDK_Meta_L: // Meta is when you press Shift+Alt (at least on my machine)
case GDK_Meta_R:
sp_event_show_modifier_tip(event_context->defaultMessageContext(), event,
_("<b>Ctrl</b>: snap angle"),
NULL,
_("<b>Alt</b>: lock spiral radius"));
break;
case GDK_Up:
case GDK_Down:
case GDK_KP_Up:
case GDK_KP_Down:
// prevent the zoom field from activation
if (!MOD__CTRL_ONLY)
ret = TRUE;
break;
case GDK_x:
case GDK_X:
if (MOD__ALT_ONLY) {
desktop->setToolboxFocusTo ("altx-spiral");
ret = TRUE;
}
break;
case GDK_Escape:
sp_desktop_selection(desktop)->clear();
//TODO: make dragging escapable by Esc
break;
case GDK_space:
if (dragging) {
sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate),
event->button.time);
dragging = false;
if (!event_context->within_tolerance) {
// we've been dragging, finish the rect
sp_spiral_finish(sc);
}
// do not return true, so that space would work switching to selector
}
break;
default:
break;
}
break;
case GDK_KEY_RELEASE:
switch (get_group0_keyval(&event->key)) {
case GDK_Alt_L:
case GDK_Alt_R:
case GDK_Control_L:
case GDK_Control_R:
case GDK_Shift_L:
case GDK_Shift_R:
case GDK_Meta_L: // Meta is when you press Shift+Alt
case GDK_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;
}
gint
sp_pencil_context_root_handler (SPEventContext *ec, GdkEvent *event)
{
SPDrawContext *dc;
SPPencilContext *pc;
SPDesktop *dt;
NRPointF p;
gint ret;
SPDrawAnchor *anchor;
NRPointF fp;
dc = SP_DRAW_CONTEXT (ec);
pc = SP_PENCIL_CONTEXT (ec);
dt = ec->desktop;
ret = FALSE;
switch (event->type) {
case GDK_BUTTON_PRESS:
if (event->button.button == 1) {
NRPointF fp;
#if 0
/* Grab mouse, so release will not pass unnoticed */
dc->grab = SP_CANVAS_ITEM (dt->acetate);
sp_canvas_item_grab (dc->grab, SPDC_EVENT_MASK, NULL, event->button.time);
#endif
/* Find desktop coordinates */
sp_desktop_w2d_xy_point (dt, &fp, event->button.x, event->button.y);
p.x = fp.x;
p.y = fp.y;
/* Test, whether we hit any anchor */
anchor = test_inside (dc, event->button.x, event->button.y);
switch (pc->state) {
case SP_PENCIL_CONTEXT_ADDLINE:
/* Current segment will be finished with release */
ret = TRUE;
break;
default:
/* Set first point of sequence */
if (anchor) {
p = anchor->dp;
}
dc->sa = anchor;
spdc_set_startpoint (pc, &p, event->button.state);
ret = TRUE;
break;
}
}
break;
case GDK_MOTION_NOTIFY:
#if 1
if ((event->motion.state & GDK_BUTTON1_MASK) && !dc->grab) {
/* Grab mouse, so release will not pass unnoticed */
dc->grab = SP_CANVAS_ITEM (dt->acetate);
sp_canvas_item_grab (dc->grab, SPDC_EVENT_MASK, NULL, event->button.time);
}
#endif
/* Find desktop coordinates */
sp_desktop_w2d_xy_point (dt, &fp, event->motion.x, event->motion.y);
p.x = fp.x;
p.y = fp.y;
/* Test, whether we hit any anchor */
anchor = test_inside (dc, event->button.x, event->button.y);
switch (pc->state) {
case SP_PENCIL_CONTEXT_ADDLINE:
/* Set red endpoint */
if (anchor) {
p = anchor->dp;
}
spdc_set_endpoint (pc, &p, event->motion.state);
ret = TRUE;
break;
default:
/* We may be idle or already freehand */
if (event->motion.state & GDK_BUTTON1_MASK) {
pc->state = SP_PENCIL_CONTEXT_FREEHAND;
if (!dc->sa && !dc->green_anchor) {
/* Create green anchor */
dc->green_anchor = sp_draw_anchor_new (dc, dc->green_curve, TRUE, dc->p[0].x, dc->p[0].y);
}
/* fixme: I am not sure, whether we want to snap to anchors in middle of freehand (Lauris) */
if (anchor) {
p = anchor->dp;
} else {
sp_desktop_free_snap (dt, &p);
}
spdc_add_freehand_point (pc, &p, event->motion.state);
ret = TRUE;
}
break;
}
break;
case GDK_BUTTON_RELEASE:
if (event->button.button == 1) {
NRPointF fp;
/* Find desktop coordinates */
sp_desktop_w2d_xy_point (dt, &fp, event->motion.x, event->motion.y);
p.x = fp.x;
p.y = fp.y;
/* Test, whether we hit any anchor */
anchor = test_inside (dc, event->button.x, event->button.y);
switch (pc->state) {
case SP_PENCIL_CONTEXT_IDLE:
/* Releasing button in idle mode means single click */
/* We have already set up start point/anchor in button_press */
pc->state = SP_PENCIL_CONTEXT_ADDLINE;
ret = TRUE;
break;
case SP_PENCIL_CONTEXT_ADDLINE:
/* Finish segment now */
if (anchor) {
p = anchor->dp;
}
dc->ea = anchor;
spdc_finish_endpoint (pc, &p, !anchor, event->button.state);
pc->state = SP_PENCIL_CONTEXT_IDLE;
ret = TRUE;
break;
case SP_PENCIL_CONTEXT_FREEHAND:
/* Finish segment now */
/* fixme: Clean up what follows (Lauris) */
if (anchor) {
p = anchor->dp;
}
dc->ea = anchor;
/* Write curves to object */
g_print ("Finishing freehand\n");
spdc_concat_colors_and_flush (dc, FALSE);
dc->sa = NULL;
dc->ea = NULL;
if (dc->green_anchor) {
dc->green_anchor = sp_draw_anchor_destroy (dc->green_anchor);
}
pc->state = SP_PENCIL_CONTEXT_IDLE;
ret = TRUE;
break;
default:
break;
}
#if 1
if (dc->grab) {
/* Release grab now */
sp_canvas_item_ungrab (dc->grab, event->button.time);
dc->grab = NULL;
}
#endif
dc->grab = NULL;
ret = TRUE;
}
break;
default:
break;
}
if (!ret) {
if (((SPEventContextClass *) pencil_parent_class)->root_handler)
ret = ((SPEventContextClass *) pencil_parent_class)->root_handler (ec, event);
}
return ret;
}
bool ZoomTool::root_handler(GdkEvent* event) {
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
tolerance = prefs->getIntLimited("/options/dragtolerance/value", 0, 0, 100);
double const zoom_inc = prefs->getDoubleLimited("/options/zoomincrement/value", M_SQRT2, 1.01, 10);
bool ret = false;
switch (event->type) {
case GDK_BUTTON_PRESS:
{
Geom::Point const button_w(event->button.x, event->button.y);
Geom::Point const button_dt(desktop->w2d(button_w));
if (event->button.button == 1 && !this->space_panning) {
// save drag origin
xp = (gint) event->button.x;
yp = (gint) event->button.y;
within_tolerance = true;
Inkscape::Rubberband::get(desktop)->start(desktop, button_dt);
escaped = false;
ret = true;
} else if (event->button.button == 3) {
double const zoom_rel( (event->button.state & GDK_SHIFT_MASK)
? zoom_inc
: 1 / zoom_inc );
desktop->zoom_relative_keep_point(button_dt, zoom_rel);
ret = true;
}
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);
this->grabbed = SP_CANVAS_ITEM(desktop->acetate);
break;
}
case GDK_MOTION_NOTIFY:
if ((event->motion.state & GDK_BUTTON1_MASK) && !this->space_panning) {
ret = true;
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;
Geom::Point const motion_w(event->motion.x, event->motion.y);
Geom::Point const motion_dt(desktop->w2d(motion_w));
Inkscape::Rubberband::get(desktop)->move(motion_dt);
gobble_motion_events(GDK_BUTTON1_MASK);
}
break;
case GDK_BUTTON_RELEASE:
{
Geom::Point const button_w(event->button.x, event->button.y);
Geom::Point const button_dt(desktop->w2d(button_w));
if ( event->button.button == 1 && !this->space_panning) {
Geom::OptRect const b = Inkscape::Rubberband::get(desktop)->getRectangle();
if (b && !within_tolerance) {
desktop->set_display_area(*b, 10);
} else if (!escaped) {
double const zoom_rel( (event->button.state & GDK_SHIFT_MASK)
? 1 / zoom_inc
: zoom_inc );
desktop->zoom_relative_keep_point(button_dt, zoom_rel);
}
ret = true;
}
Inkscape::Rubberband::get(desktop)->stop();
if (this->grabbed) {
sp_canvas_item_ungrab(this->grabbed, event->button.time);
this->grabbed = NULL;
}
xp = yp = 0;
escaped = false;
break;
}
case GDK_KEY_PRESS:
switch (get_group0_keyval (&event->key)) {
case GDK_KEY_Escape:
if (!Inkscape::Rubberband::get(desktop)->is_started()) {
Inkscape::SelectionHelper::selectNone(desktop);
}
Inkscape::Rubberband::get(desktop)->stop();
xp = yp = 0;
escaped = true;
ret = true;
break;
case GDK_KEY_Up:
case GDK_KEY_Down:
case GDK_KEY_KP_Up:
case GDK_KEY_KP_Down:
// prevent the zoom field from activation
if (!MOD__CTRL_ONLY(event))
ret = true;
break;
case GDK_KEY_Shift_L:
case GDK_KEY_Shift_R:
this->cursor_shape = cursor_zoom_out_xpm;
this->sp_event_context_update_cursor();
break;
case GDK_KEY_Delete:
case GDK_KEY_KP_Delete:
case GDK_KEY_BackSpace:
ret = this->deleteSelectedDrag(MOD__CTRL_ONLY(event));
break;
default:
break;
}
break;
case GDK_KEY_RELEASE:
switch (get_group0_keyval (&event->key)) {
case GDK_KEY_Shift_L:
case GDK_KEY_Shift_R:
this->cursor_shape = cursor_zoom_xpm;
this->sp_event_context_update_cursor();
break;
default:
break;
}
break;
default:
break;
}
if (!ret) {
ret = ToolBase::root_handler(event);
}
return ret;
}
gint
sp_pen_context_root_handler (SPEventContext *ec, GdkEvent *event)
{
SPDrawContext *dc;
SPPenContext *pc;
SPDesktop *dt;
NRPointF p;
gint ret;
SPDrawAnchor *anchor;
NRPointF fp;
dc = SP_DRAW_CONTEXT (ec);
pc = SP_PEN_CONTEXT (ec);
dt = ec->desktop;
ret = FALSE;
switch (event->type) {
case GDK_BUTTON_PRESS:
if (event->button.button == 1) {
#if 0
/* Grab mouse, so release will not pass unnoticed */
dc->grab = SP_CANVAS_ITEM (dt->acetate);
sp_canvas_item_grab (dc->grab, SPDC_EVENT_MASK, NULL, event->button.time);
#endif
/* Find desktop coordinates */
sp_desktop_w2d_xy_point (dt, &fp, event->button.x, event->button.y);
p.x = fp.x;
p.y = fp.y;
/* Test, whether we hit any anchor */
anchor = test_inside (dc, event->button.x, event->button.y);
switch (pc->mode) {
case SP_PEN_CONTEXT_MODE_CLICK:
/* In click mode we add point on release */
switch (pc->state) {
case SP_PEN_CONTEXT_POINT:
case SP_PEN_CONTEXT_CONTROL:
case SP_PEN_CONTEXT_CLOSE:
break;
case SP_PEN_CONTEXT_STOP:
/* This is allowed, if we just cancelled curve */
pc->state = SP_PEN_CONTEXT_POINT;
break;
default:
break;
}
break;
case SP_PEN_CONTEXT_MODE_DRAG:
switch (pc->state) {
case SP_PEN_CONTEXT_STOP:
/* This is allowed, if we just cancelled curve */
case SP_PEN_CONTEXT_POINT:
if (dc->npoints == 0) {
/* Set start anchor */
dc->sa = anchor;
if (anchor) {
/* Adjust point to anchor if needed */
p = anchor->dp;
} else {
/* Create green anchor */
dc->green_anchor = sp_draw_anchor_new (dc, dc->green_curve, TRUE, p.x, p.y);
}
spdc_pen_set_point (pc, &p, event->motion.state);
} else {
/* Set end anchor */
dc->ea = anchor;
spdc_pen_set_point (pc, &p, event->motion.state);
if (dc->green_anchor && dc->green_anchor->active) {
pc->state = SP_PEN_CONTEXT_CLOSE;
ret = TRUE;
break;
}
}
pc->state = SP_PEN_CONTEXT_CONTROL;
ret = TRUE;
break;
case SP_PEN_CONTEXT_CONTROL:
g_warning ("Button down in CONTROL state");
break;
case SP_PEN_CONTEXT_CLOSE:
g_warning ("Button down in CLOSE state");
break;
default:
break;
}
break;
default:
break;
}
}
break;
case GDK_MOTION_NOTIFY:
#if 1
if ((event->motion.state & GDK_BUTTON1_MASK) && !dc->grab) {
/* Grab mouse, so release will not pass unnoticed */
dc->grab = SP_CANVAS_ITEM (dt->acetate);
sp_canvas_item_grab (dc->grab, SPDC_EVENT_MASK, NULL, event->button.time);
}
#endif
/* Find desktop coordinates */
sp_desktop_w2d_xy_point (dt, &fp, event->motion.x, event->motion.y);
p.x = fp.x;
p.y = fp.y;
/* Test, whether we hit any anchor */
anchor = test_inside (dc, event->button.x, event->button.y);
if (!anchor) {
/* Snap only if not hitting anchor */
spdc_endpoint_snap (dc, &p, event->motion.state);
}
switch (pc->mode) {
case SP_PEN_CONTEXT_MODE_CLICK:
switch (pc->state) {
case SP_PEN_CONTEXT_POINT:
if (dc->npoints != 0) {
/* Only set point, if we are already appending */
/* fixme: Snapping */
spdc_pen_set_point (pc, &p, event->motion.state);
ret = TRUE;
}
break;
case SP_PEN_CONTEXT_CONTROL:
case SP_PEN_CONTEXT_CLOSE:
/* Placing controls is last operation in CLOSE state */
/* fixme: Snapping */
spdc_pen_set_ctrl (pc, &p, event->motion.state);
ret = TRUE;
break;
case SP_PEN_CONTEXT_STOP:
/* This is perfectly valid */
break;
default:
break;
}
break;
case SP_PEN_CONTEXT_MODE_DRAG:
switch (pc->state) {
case SP_PEN_CONTEXT_POINT:
if (dc->npoints > 0) {
/* Only set point, if we are already appending */
/* fixme: Snapping */
spdc_pen_set_point (pc, &p, event->motion.state);
ret = TRUE;
}
break;
case SP_PEN_CONTEXT_CONTROL:
case SP_PEN_CONTEXT_CLOSE:
/* Placing controls is last operation in CLOSE state */
/* fixme: Snapping */
spdc_pen_set_ctrl (pc, &p, event->motion.state);
ret = TRUE;
break;
case SP_PEN_CONTEXT_STOP:
/* This is perfectly valid */
break;
default:
break;
}
break;
default:
break;
}
break;
case GDK_BUTTON_RELEASE:
if (event->button.button == 1) {
/* Find desktop coordinates */
sp_desktop_w2d_xy_point (dt, &fp, event->motion.x, event->motion.y);
p.x = fp.x;
p.y = fp.y;
/* Test, whether we hit any anchor */
anchor = test_inside (dc, event->button.x, event->button.y);
switch (pc->mode) {
case SP_PEN_CONTEXT_MODE_CLICK:
switch (pc->state) {
case SP_PEN_CONTEXT_POINT:
if (dc->npoints == 0) {
/* Start new thread only with button release */
if (anchor) {
p = anchor->dp;
}
dc->sa = anchor;
spdc_pen_set_point (pc, &p, event->motion.state);
} else {
/* Set end anchor here */
dc->ea = anchor;
}
pc->state = SP_PEN_CONTEXT_CONTROL;
ret = TRUE;
break;
case SP_PEN_CONTEXT_CONTROL:
/* End current segment */
spdc_pen_finish_segment (pc, &p, event->button.state);
pc->state = SP_PEN_CONTEXT_POINT;
ret = TRUE;
break;
case SP_PEN_CONTEXT_CLOSE:
/* End current segment */
spdc_pen_finish_segment (pc, &p, event->button.state);
spdc_pen_finish (pc, TRUE);
pc->state = SP_PEN_CONTEXT_POINT;
ret = TRUE;
break;
case SP_PEN_CONTEXT_STOP:
/* This is allowed, if we just cancelled curve */
pc->state = SP_PEN_CONTEXT_POINT;
ret = TRUE;
break;
default:
break;
}
break;
case SP_PEN_CONTEXT_MODE_DRAG:
switch (pc->state) {
case SP_PEN_CONTEXT_POINT:
case SP_PEN_CONTEXT_CONTROL:
spdc_pen_finish_segment (pc, &p, event->button.state);
break;
case SP_PEN_CONTEXT_CLOSE:
spdc_pen_finish_segment (pc, &p, event->button.state);
spdc_pen_finish (pc, TRUE);
break;
case SP_PEN_CONTEXT_STOP:
/* This is allowed, if we just cancelled curve */
break;
default:
break;
}
pc->state = SP_PEN_CONTEXT_POINT;
ret = TRUE;
break;
default:
break;
}
#if 1
if (dc->grab) {
/* Release grab now */
sp_canvas_item_ungrab (dc->grab, event->button.time);
dc->grab = NULL;
}
#endif
ret = TRUE;
}
break;
case GDK_2BUTTON_PRESS:
spdc_pen_finish (pc, FALSE);
ret = TRUE;
break;
case GDK_KEY_PRESS:
/* fixme: */
switch (event->key.keyval) {
case GDK_Return:
spdc_pen_finish (pc, FALSE);
ret = TRUE;
break;
case GDK_Escape:
pc->state = SP_PEN_CONTEXT_STOP;
spdc_reset_colors (dc);
sp_canvas_item_hide (pc->c0);
sp_canvas_item_hide (pc->c1);
sp_canvas_item_hide (pc->cl0);
sp_canvas_item_hide (pc->cl1);
ret = TRUE;
break;
case GDK_BackSpace:
if (sp_curve_is_empty (dc->green_curve)) {
/* Same as cancel */
pc->state = SP_PEN_CONTEXT_STOP;
spdc_reset_colors (dc);
sp_canvas_item_hide (pc->c0);
sp_canvas_item_hide (pc->c1);
sp_canvas_item_hide (pc->cl0);
sp_canvas_item_hide (pc->cl1);
ret = TRUE;
break;
} else {
NRPointF pt;
ArtBpath *p;
gint e;
/* Reset red curve */
sp_curve_reset (dc->red_curve);
/* Destroy topmost green bpath */
gtk_object_destroy (GTK_OBJECT (dc->green_bpaths->data));
dc->green_bpaths = g_slist_remove (dc->green_bpaths, dc->green_bpaths->data);
/* Get last segment */
p = SP_CURVE_BPATH (dc->green_curve);
e = SP_CURVE_LENGTH (dc->green_curve);
if (e < 2) {
g_warning ("Green curve length is %d", e);
break;
}
dc->p[0].x = p[e - 2].x3;
dc->p[0].y = p[e - 2].y3;
dc->p[1].x = p[e - 1].x1;
dc->p[1].y = p[e - 1].y1;
if (dc->npoints < 4) {
pt.x = p[e - 1].x3;
pt.y = p[e - 1].y3;
} else {
pt.x = dc->p[3].x;
pt.y = dc->p[3].y;
}
dc->npoints = 2;
sp_curve_backspace (dc->green_curve);
sp_canvas_item_hide (pc->c0);
sp_canvas_item_hide (pc->c1);
sp_canvas_item_hide (pc->cl0);
sp_canvas_item_hide (pc->cl1);
pc->state = SP_PEN_CONTEXT_POINT;
spdc_pen_set_point (pc, &pt, event->motion.state);
ret = TRUE;
}
break;
default:
break;
}
break;
default:
break;
}
if (!ret) {
if (((SPEventContextClass *) pen_parent_class)->root_handler)
return ((SPEventContextClass *) pen_parent_class)->root_handler (ec, event);
}
return ret;
}