static void sp_dropper_context_init(SPDropperContext *dc)
{
SPEventContext *event_context = SP_EVENT_CONTEXT(dc);
event_context->cursor_shape = cursor_dropper_xpm;
event_context->hot_x = 7;
event_context->hot_y = 7;
}
static void sp_box3d_context_dispose(GObject *object)
{
Box3DContext *bc = SP_BOX3D_CONTEXT(object);
SPEventContext *ec = SP_EVENT_CONTEXT(object);
ec->enableGrDrag(false);
delete (bc->_vpdrag);
bc->_vpdrag = NULL;
bc->sel_changed_connection.disconnect();
bc->sel_changed_connection.~connection();
delete ec->shape_editor;
ec->shape_editor = NULL;
/* fixme: This is necessary because we do not grab */
if (bc->item) {
sp_box3d_finish(bc);
}
if (bc->_message_context) {
delete bc->_message_context;
}
G_OBJECT_CLASS(parent_class)->dispose(object);
}
static void
spdc_pen_finish_segment (SPPenContext *pc, NRPointF *p, guint state)
{
SPDrawContext *dc;
dc = SP_DRAW_CONTEXT (pc);
if (!sp_curve_empty (dc->red_curve)) {
SPCurve *curve;
SPCanvasItem *cshape;
sp_curve_append_continuous (dc->green_curve, dc->red_curve, 0.0625);
curve = sp_curve_copy (dc->red_curve);
/* fixme: */
cshape = sp_canvas_bpath_new (SP_DT_SKETCH (SP_EVENT_CONTEXT (dc)->desktop), curve);
sp_curve_unref (curve);
sp_canvas_bpath_set_stroke (SP_CANVAS_BPATH (cshape), dc->green_color, 1.0, SP_STROKE_LINEJOIN_MITER, SP_STROKE_LINECAP_BUTT);
dc->green_bpaths = g_slist_prepend (dc->green_bpaths, cshape);
dc->p[0] = dc->p[3];
dc->p[1] = dc->p[4];
dc->npoints = 2;
sp_curve_reset (dc->red_curve);
}
}
static void
sp_gradient_context_add_stop_near_point (SPGradientContext *rc, SPItem *item, Geom::Point mouse_p, guint32 /*etime*/)
{
// item is the selected item. mouse_p the location in doc coordinates of where to add the stop
SPEventContext *ec = SP_EVENT_CONTEXT(rc);
SPDesktop *desktop = SP_EVENT_CONTEXT (rc)->desktop;
double tolerance = (double) ec->tolerance;
ec->get_drag()->addStopNearPoint (item, mouse_p, tolerance/desktop->current_zoom());
sp_document_done (sp_desktop_document (desktop), SP_VERB_CONTEXT_GRADIENT,
_("Add gradient stop"));
ec->get_drag()->updateDraggers();
}
static bool
sp_select_context_abort(SPEventContext *event_context)
{
SPDesktop *desktop = event_context->desktop;
SPSelectContext *sc = SP_SELECT_CONTEXT(event_context);
Inkscape::SelTrans *seltrans = sc->_seltrans;
if (sc->dragging) {
if (sc->moved) { // cancel dragging an object
seltrans->ungrab();
sc->moved = FALSE;
sc->dragging = FALSE;
sp_event_context_discard_delayed_snap_event(event_context);
drag_escaped = 1;
if (sc->item) {
// only undo if the item is still valid
if (SP_OBJECT_DOCUMENT( SP_OBJECT(sc->item))) {
sp_document_undo(sp_desktop_document(desktop));
}
sp_object_unref( SP_OBJECT(sc->item), NULL);
} else if (sc->button_press_ctrl) {
// NOTE: This is a workaround to a bug.
// When the ctrl key is held, sc->item is not defined
// so in this case (only), we skip the object doc check
sp_document_undo(sp_desktop_document(desktop));
}
sc->item = NULL;
SP_EVENT_CONTEXT(sc)->desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Move canceled."));
return true;
}
} else {
if (Inkscape::Rubberband::get(desktop)->is_started()) {
Inkscape::Rubberband::get(desktop)->stop();
rb_escaped = 1;
SP_EVENT_CONTEXT(sc)->defaultMessageContext()->clear();
SP_EVENT_CONTEXT(sc)->desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Selection canceled."));
return true;
}
}
return false;
}
/**
\brief Callback that processes the "changed" signal on the selection;
destroys old and creates new knotholder
*/
void
sp_spiral_context_selection_changed(Inkscape::Selection *selection, gpointer data)
{
SPSpiralContext *sc = SP_SPIRAL_CONTEXT(data);
SPEventContext *ec = SP_EVENT_CONTEXT(sc);
ec->shape_editor->unset_item(SH_KNOTHOLDER);
SPItem *item = selection->singleItem();
ec->shape_editor->set_item(item, SH_KNOTHOLDER);
}
static bool
sp_gradient_context_is_over_line (SPGradientContext *rc, SPItem *item, Geom::Point event_p)
{
SPDesktop *desktop = SP_EVENT_CONTEXT (rc)->desktop;
//Translate mouse point into proper coord system
rc->mousepoint_doc = desktop->w2d(event_p);
SPCtrlLine* line = SP_CTRLLINE(item);
Geom::Point nearest = snap_vector_midpoint (rc->mousepoint_doc, line->s, line->e, 0);
double dist_screen = Geom::L2 (rc->mousepoint_doc - nearest) * desktop->current_zoom();
double tolerance = (double) SP_EVENT_CONTEXT(rc)->tolerance;
bool close = (dist_screen < tolerance);
return close;
}
static void
sp_zoom_context_init (SPZoomContext * zoom_context)
{
SPEventContext * event_context;
event_context = SP_EVENT_CONTEXT (zoom_context);
event_context->cursor_shape = cursor_zoom_xpm;
event_context->hot_x = 6;
event_context->hot_y = 6;
}
static gint
pencil_handle_key_press(SPPencilContext *const pc, guint const keyval, guint const state)
{
gint ret = FALSE;
switch (keyval) {
case GDK_Up:
case GDK_Down:
case GDK_KP_Up:
case GDK_KP_Down:
// Prevent the zoom field from activation.
if (!mod_ctrl_only(state)) {
ret = TRUE;
}
break;
case GDK_Escape:
if (pc->npoints != 0) {
// if drawing, cancel, otherwise pass it up for deselecting
if (pc->state != SP_PENCIL_CONTEXT_IDLE) {
pencil_cancel (pc);
ret = TRUE;
}
}
break;
case GDK_z:
case GDK_Z:
if (mod_ctrl_only(state) && pc->npoints != 0) {
// if drawing, cancel, otherwise pass it up for undo
if (pc->state != SP_PENCIL_CONTEXT_IDLE) {
pencil_cancel (pc);
ret = TRUE;
}
}
break;
case GDK_g:
case GDK_G:
if (mod_shift_only(state)) {
sp_selection_to_guides(SP_EVENT_CONTEXT(pc)->desktop);
ret = true;
}
break;
case GDK_Alt_L:
case GDK_Alt_R:
case GDK_Meta_L:
case GDK_Meta_R:
if (pc->state == SP_PENCIL_CONTEXT_IDLE) {
pc->desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("<b>Sketch mode</b>: holding <b>Alt</b> interpolates between sketched paths. Release <b>Alt</b> to finalize."));
}
break;
default:
break;
}
return ret;
}
/**
\brief Callback that processes the "changed" signal on the selection;
destroys old and creates new knotholder
*/
static void sp_box3d_context_selection_changed(Inkscape::Selection *selection, gpointer data)
{
Box3DContext *bc = SP_BOX3D_CONTEXT(data);
SPEventContext *ec = SP_EVENT_CONTEXT(bc);
ec->shape_editor->unset_item(SH_KNOTHOLDER);
SPItem *item = selection->singleItem();
ec->shape_editor->set_item(item, SH_KNOTHOLDER);
if (selection->perspList().size() == 1) {
// selecting a single box changes the current perspective
ec->desktop->doc()->setCurrentPersp3D(selection->perspList().front());
}
}
static void sp_gradient_context_init(SPGradientContext *gr_context)
{
SPEventContext *event_context = SP_EVENT_CONTEXT(gr_context);
gr_context->cursor_addnode = false;
event_context->cursor_shape = cursor_gradient_xpm;
event_context->hot_x = 4;
event_context->hot_y = 4;
event_context->xp = 0;
event_context->yp = 0;
event_context->tolerance = 6;
event_context->within_tolerance = false;
event_context->item_to_select = NULL;
}
static void
fit_and_split (SPDrawContext * dc)
{
NRPointF b[4];
gdouble tolerance;
g_assert (dc->npoints > 1);
tolerance = SP_EVENT_CONTEXT (dc)->desktop->w2d[0] * TOLERANCE;
tolerance = tolerance * tolerance;
if (sp_bezier_fit_cubic (b, dc->p, dc->npoints, tolerance) > 0 && dc->npoints < SP_DRAW_POINTS_MAX) {
/* Fit and draw and reset state */
sp_curve_reset (dc->red_curve);
sp_curve_moveto (dc->red_curve, b[0].x, b[0].y);
sp_curve_curveto (dc->red_curve, b[1].x, b[1].y, b[2].x, b[2].y, b[3].x, b[3].y);
sp_canvas_bpath_set_bpath (SP_CANVAS_BPATH (dc->red_bpath), dc->red_curve);
} else {
SPCurve *curve;
SPCanvasItem *cshape;
/* Fit and draw and copy last point */
g_assert (!sp_curve_empty (dc->red_curve));
sp_curve_append_continuous (dc->green_curve, dc->red_curve, 0.0625);
curve = sp_curve_copy (dc->red_curve);
/* fixme: */
cshape = sp_canvas_bpath_new (SP_DT_SKETCH (SP_EVENT_CONTEXT (dc)->desktop), curve);
sp_curve_unref (curve);
sp_canvas_bpath_set_stroke (SP_CANVAS_BPATH (cshape), dc->green_color, 1.0, SP_STROKE_LINEJOIN_MITER, SP_STROKE_LINECAP_BUTT);
dc->green_bpaths = g_slist_prepend (dc->green_bpaths, cshape);
dc->p[0] = dc->p[dc->npoints - 2];
dc->p[1] = dc->p[dc->npoints - 1];
dc->npoints = 2;
}
}
static void
sp_star_context_init (SPStarContext * star_context)
{
SPEventContext * event_context;
event_context = SP_EVENT_CONTEXT (star_context);
event_context->cursor_shape = cursor_star_xpm;
event_context->hot_x = 4;
event_context->hot_y = 4;
star_context->item = NULL;
star_context->magnitude = 5;
star_context->proportion = 0.5;
}
static void
gradient_selection_changed (Inkscape::Selection *, gpointer data)
{
SPGradientContext *rc = (SPGradientContext *) data;
GrDrag *drag = rc->_grdrag;
Inkscape::Selection *selection = sp_desktop_selection(SP_EVENT_CONTEXT(rc)->desktop);
guint n_obj = g_slist_length((GSList *) selection->itemList());
if (!drag->isNonEmpty() || selection->isEmpty())
return;
guint n_tot = drag->numDraggers();
guint n_sel = drag->numSelected();
//The use of ngettext in the following code is intentional even if the English singular form would never be used
if (n_sel == 1) {
if (drag->singleSelectedDraggerNumDraggables() == 1) {
gchar * message = g_strconcat(
//TRANSLATORS: %s will be substituted with the point name (see previous messages); This is part of a compound message
_("%s selected"),
//TRANSLATORS: Mind the space in front. This is part of a compound message
ngettext(" out of %d gradient handle"," out of %d gradient handles",n_tot),
ngettext(" on %d selected object"," on %d selected objects",n_obj),NULL);
rc->_message_context->setF(Inkscape::NORMAL_MESSAGE,
message,_(gr_handle_descr[drag->singleSelectedDraggerSingleDraggableType()]), n_tot, n_obj);
} else {
gchar * message = g_strconcat(
//TRANSLATORS: This is a part of a compound message (out of two more indicating: grandint handle count & object count)
ngettext("One handle merging %d stop (drag with <b>Shift</b> to separate) selected",
"One handle merging %d stops (drag with <b>Shift</b> to separate) selected",drag->singleSelectedDraggerNumDraggables()),
ngettext(" out of %d gradient handle"," out of %d gradient handles",n_tot),
ngettext(" on %d selected object"," on %d selected objects",n_obj),NULL);
rc->_message_context->setF(Inkscape::NORMAL_MESSAGE,message,drag->singleSelectedDraggerNumDraggables(), n_tot, n_obj);
}
} else if (n_sel > 1) {
//TRANSLATORS: The plural refers to number of selected gradient handles. This is part of a compound message (part two indicates selected object count)
gchar * message = g_strconcat(ngettext("<b>%d</b> gradient handle selected out of %d","<b>%d</b> gradient handles selected out of %d",n_sel),
//TRANSLATORS: Mind the space in front. (Refers to gradient handles selected). This is part of a compound message
ngettext(" on %d selected object"," on %d selected objects",n_obj),NULL);
rc->_message_context->setF(Inkscape::NORMAL_MESSAGE,message, n_sel, n_tot, n_obj);
} else if (n_sel == 0) {
rc->_message_context->setF(Inkscape::NORMAL_MESSAGE,
//TRANSLATORS: The plural refers to number of selected objects
ngettext("<b>No</b> gradient handles selected out of %d on %d selected object",
"<b>No</b> gradient handles selected out of %d on %d selected objects",n_obj), n_tot, n_obj);
}
}
/**
* Callback to initialize SPPencilContext object.
*/
static void
sp_pencil_context_init(SPPencilContext *pc)
{
SPEventContext *event_context = SP_EVENT_CONTEXT(pc);
event_context->cursor_shape = cursor_pencil_xpm;
event_context->hot_x = 4;
event_context->hot_y = 4;
pc->npoints = 0;
pc->state = SP_PENCIL_CONTEXT_IDLE;
pc->req_tangent = Geom::Point(0, 0);
// since SPPencilContext is not properly constructed...
pc->sketch_interpolation = Geom::Piecewise<Geom::D2<Geom::SBasis> >();
pc->sketch_n = 0;
}
static void sp_gradient_context_dispose(GObject *object)
{
SPGradientContext *rc = SP_GRADIENT_CONTEXT(object);
SPEventContext *ec = SP_EVENT_CONTEXT(object);
ec->enableGrDrag(false);
if (rc->_message_context) {
delete rc->_message_context;
}
rc->selcon->disconnect();
delete rc->selcon;
rc->subselcon->disconnect();
delete rc->subselcon;
G_OBJECT_CLASS(parent_class)->dispose(object);
}
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_star_finish (SPStarContext * sc)
{
if (sc->item != NULL) {
SPDesktop *desktop;
SPObject *object;
desktop = SP_EVENT_CONTEXT (sc)->desktop;
object = SP_OBJECT(sc->item);
sp_shape_set_shape (SP_SHAPE (sc->item));
sp_object_invoke_write (object, NULL, SP_OBJECT_WRITE_EXT);
sp_selection_set_item (SP_DT_SELECTION (desktop), sc->item);
sp_document_done (SP_DT_DOCUMENT (desktop));
sc->item = NULL;
}
}
static void sp_box3d_context_init(Box3DContext *box3d_context)
{
SPEventContext *event_context = SP_EVENT_CONTEXT(box3d_context);
event_context->cursor_shape = SP_3DBOX_CURSOR;
event_context->xp = 0;
event_context->yp = 0;
event_context->tolerance = 0;
event_context->within_tolerance = false;
event_context->item_to_select = NULL;
box3d_context->item = NULL;
box3d_context->ctrl_dragged = false;
box3d_context->extruded = false;
box3d_context->_vpdrag = NULL;
new (&box3d_context->sel_changed_connection) sigc::connection();
}
static void
sp_spiral_finish(SPSpiralContext *sc)
{
sc->_message_context->clear();
if (sc->item != NULL) {
SPDesktop *desktop = SP_EVENT_CONTEXT(sc)->desktop;
SPSpiral *spiral = SP_SPIRAL(sc->item);
sp_shape_set_shape(SP_SHAPE(spiral));
SP_OBJECT(spiral)->updateRepr(SP_OBJECT_WRITE_EXT);
sp_canvas_end_forced_full_redraws(desktop->canvas);
sp_desktop_selection(desktop)->set(sc->item);
sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SPIRAL,
_("Create spiral"));
sc->item = NULL;
}
}
static void
sp_spiral_context_init(SPSpiralContext *spiral_context)
{
SPEventContext *event_context = SP_EVENT_CONTEXT(spiral_context);
event_context->cursor_shape = cursor_spiral_xpm;
event_context->hot_x = 4;
event_context->hot_y = 4;
event_context->xp = 0;
event_context->yp = 0;
event_context->tolerance = 0;
event_context->within_tolerance = false;
event_context->item_to_select = NULL;
spiral_context->item = NULL;
spiral_context->revo = 3.0;
spiral_context->exp = 1.0;
spiral_context->t0 = 0.0;
new (&spiral_context->sel_changed_connection) sigc::connection();
}
static void
sp_spiral_context_dispose(GObject *object)
{
SPSpiralContext *sc = SP_SPIRAL_CONTEXT(object);
SPEventContext *ec = SP_EVENT_CONTEXT(object);
ec->enableGrDrag(false);
sc->sel_changed_connection.disconnect();
sc->sel_changed_connection.~connection();
delete ec->shape_editor;
ec->shape_editor = NULL;
/* fixme: This is necessary because we do not grab */
if (sc->item) sp_spiral_finish(sc);
if (sc->_message_context) {
delete sc->_message_context;
}
G_OBJECT_CLASS(parent_class)->dispose(object);
}
static void sp_gradient_drag(SPGradientContext &rc, Geom::Point const pt, guint /*state*/, guint32 etime)
{
SPDesktop *desktop = SP_EVENT_CONTEXT(&rc)->desktop;
Inkscape::Selection *selection = sp_desktop_selection(desktop);
SPDocument *document = sp_desktop_document(desktop);
SPEventContext *ec = SP_EVENT_CONTEXT(&rc);
if (!selection->isEmpty()) {
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
int type = prefs->getInt("/tools/gradient/newgradient", 1);
int fill_or_stroke = prefs->getInt("/tools/gradient/newfillorstroke", 1);
SPGradient *vector;
if (ec->item_to_select) {
// pick color from the object where drag started
vector = sp_gradient_vector_for_object(document, desktop, ec->item_to_select, fill_or_stroke);
} else {
// Starting from empty space:
// Sort items so that the topmost comes last
GSList *items = g_slist_copy ((GSList *) selection->itemList());
items = g_slist_sort(items, (GCompareFunc) sp_item_repr_compare_position);
// take topmost
vector = sp_gradient_vector_for_object(document, desktop, SP_ITEM(g_slist_last(items)->data), fill_or_stroke);
g_slist_free (items);
}
// HACK: reset fill-opacity - that 0.75 is annoying; BUT remove this when we have an opacity slider for all tabs
SPCSSAttr *css = sp_repr_css_attr_new();
sp_repr_css_set_property(css, "fill-opacity", "1.0");
for (GSList const *i = selection->itemList(); i != NULL; i = i->next) {
//FIXME: see above
sp_repr_css_change_recursive(SP_OBJECT_REPR(i->data), css, "style");
sp_item_set_gradient(SP_ITEM(i->data), vector, (SPGradientType) type, fill_or_stroke);
if (type == SP_GRADIENT_TYPE_LINEAR) {
sp_item_gradient_set_coords (SP_ITEM(i->data), POINT_LG_BEGIN, 0, rc.origin, fill_or_stroke, true, false);
sp_item_gradient_set_coords (SP_ITEM(i->data), POINT_LG_END, 0, pt, fill_or_stroke, true, false);
} else if (type == SP_GRADIENT_TYPE_RADIAL) {
sp_item_gradient_set_coords (SP_ITEM(i->data), POINT_RG_CENTER, 0, rc.origin, fill_or_stroke, true, false);
sp_item_gradient_set_coords (SP_ITEM(i->data), POINT_RG_R1, 0, pt, fill_or_stroke, true, false);
}
SP_OBJECT (i->data)->requestModified(SP_OBJECT_MODIFIED_FLAG);
}
if (ec->_grdrag) {
ec->_grdrag->updateDraggers();
// prevent regenerating draggers by selection modified signal, which sometimes
// comes too late and thus destroys the knot which we will now grab:
ec->_grdrag->local_change = true;
// give the grab out-of-bounds values of xp/yp because we're already dragging
// and therefore are already out of tolerance
ec->_grdrag->grabKnot (SP_ITEM(selection->itemList()->data),
type == SP_GRADIENT_TYPE_LINEAR? POINT_LG_END : POINT_RG_R1,
-1, // ignore number (though it is always 1)
fill_or_stroke, 99999, 99999, etime);
}
// We did an undoable action, but sp_document_done will be called by the knot when released
// status text; we do not track coords because this branch is run once, not all the time
// during drag
int n_objects = g_slist_length((GSList *) selection->itemList());
rc._message_context->setF(Inkscape::NORMAL_MESSAGE,
ngettext("<b>Gradient</b> for %d object; with <b>Ctrl</b> to snap angle",
"<b>Gradient</b> for %d objects; with <b>Ctrl</b> to snap angle", n_objects),
n_objects);
} else {
sp_desktop_message_stack(desktop)->flash(Inkscape::WARNING_MESSAGE, _("Select <b>objects</b> on which to create gradient."));
}
}
static void sp_box3d_drag(Box3DContext &bc, guint /*state*/)
{
SPDesktop *desktop = SP_EVENT_CONTEXT(&bc)->desktop;
if (!bc.item) {
if (Inkscape::have_viable_layer(desktop, bc._message_context) == false) {
return;
}
/* Create object */
Inkscape::XML::Document *xml_doc = sp_document_repr_doc(SP_EVENT_CONTEXT_DOCUMENT(&bc));
Inkscape::XML::Node *repr = xml_doc->createElement("svg:g");
repr->setAttribute("sodipodi:type", "inkscape:box3d");
/* Set style */
sp_desktop_apply_style_tool (desktop, repr, "/tools/shapes/3dbox", false);
bc.item = (SPItem *) desktop->currentLayer()->appendChildRepr(repr);
Inkscape::GC::release(repr);
Inkscape::XML::Node *repr_side;
// TODO: Incorporate this in box3d-side.cpp!
for (int i = 0; i < 6; ++i) {
repr_side = xml_doc->createElement("svg:path");
repr_side->setAttribute("sodipodi:type", "inkscape:box3dside");
repr->addChild(repr_side, NULL);
Box3DSide *side = SP_BOX3D_SIDE(inkscape_active_document()->getObjectByRepr (repr_side));
guint desc = Box3D::int_to_face(i);
Box3D::Axis plane = (Box3D::Axis) (desc & 0x7);
plane = (Box3D::is_plane(plane) ? plane : Box3D::orth_plane_or_axis(plane));
side->dir1 = Box3D::extract_first_axis_direction(plane);
side->dir2 = Box3D::extract_second_axis_direction(plane);
side->front_or_rear = (Box3D::FrontOrRear) (desc & 0x8);
/* Set style */
box3d_side_apply_style(side);
SP_OBJECT(side)->updateRepr(); // calls box3d_side_write() and updates, e.g., the axes string description
}
box3d_set_z_orders(SP_BOX3D(bc.item));
bc.item->updateRepr();
// TODO: It would be nice to show the VPs during dragging, but since there is no selection
// at this point (only after finishing the box), we must do this "manually"
/* bc._vpdrag->updateDraggers(); */
desktop->canvas->force_full_redraw_after_interruptions(5);
}
g_assert(bc.item);
SPBox3D *box = SP_BOX3D(bc.item);
box->orig_corner0 = bc.drag_origin_proj;
box->orig_corner7 = bc.drag_ptC_proj;
box3d_check_for_swapped_coords(box);
/* we need to call this from here (instead of from box3d_position_set(), for example)
because z-order setting must not interfere with display updates during undo/redo */
box3d_set_z_orders (box);
box3d_position_set(box);
// status text
bc._message_context->setF(Inkscape::NORMAL_MESSAGE, "%s", _("<b>3D Box</b>; with <b>Shift</b> to extrude along the Z axis"));
}
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;
}
static void sp_zoom_context_init (SPZoomContext *zoom_context)
{
SPEventContext *event_context = SP_EVENT_CONTEXT(zoom_context);
event_context->cursor_shape = SP_ZOOM_CURSOR;
}
static void
sp_star_drag (SPStarContext * sc, double x, double y, guint state)
{
SPStar *star;
SPDesktop * desktop;
NRPointF p0, p1;
gdouble sides, dx, dy, r1, arg1;
GString * xs, * ys;
gchar status[80];
NRPointF fp;
desktop = SP_EVENT_CONTEXT (sc)->desktop;
if (!sc->item) {
SPRepr * repr, * style;
SPCSSAttr * css;
/* Create object */
repr = sp_repr_new ("polygon");
sp_repr_set_attr (repr, "sodipodi:type", "star");
/* Set style */
style = inkscape_get_repr (INKSCAPE, "tools.shapes.star");
if (style) {
css = sp_repr_css_attr_inherited (style, "style");
sp_repr_css_set (repr, css, "style");
sp_repr_css_attr_unref (css);
}
sc->item = (SPItem *) sp_document_add_repr (SP_DT_DOCUMENT (desktop), repr);
sp_repr_unref (repr);
}
/* This is bit ugly, but so we are */
/* if (state & GDK_CONTROL_MASK) { */
/* } else if (state & GDK_SHIFT_MASK) { */
/* Free movement for corner point */
sp_desktop_dt2root_xy_point (desktop, &fp, sc->center.x, sc->center.y);
p0.x = fp.x;
p0.y = fp.y;
sp_desktop_dt2root_xy_point (desktop, &fp, x, y);
p1.x = fp.x;
p1.y = fp.y;
sp_desktop_free_snap (desktop, &p1);
star = SP_STAR(sc->item);
sides = (gdouble) sc->magnitude;
dx = p1.x - p0.x;
dy = p1.y - p0.y;
r1 = hypot (dx, dy);
arg1 = atan2 (dy, dx);
#if 0
sp_star_set (star, sc->magnitude, p0.x, p0.y, r1, r1 * (sides-2.0)/sides, arg1, arg1 + M_PI/sides);
#else
sp_star_position_set (star, sc->magnitude, p0.x, p0.y, r1, r1 * sc->proportion, arg1, arg1 + M_PI / sides);
#endif
/* status text */
xs = SP_PT_TO_METRIC_STRING (fabs(p0.x), SP_DEFAULT_METRIC);
ys = SP_PT_TO_METRIC_STRING (fabs(p0.y), SP_DEFAULT_METRIC);
sprintf (status, "Draw star at (%s,%s)", xs->str, ys->str);
sp_view_set_status (SP_VIEW (desktop), status, FALSE);
g_string_free (xs, FALSE);
g_string_free (ys, FALSE);
}
static gint
pencil_handle_motion_notify(SPPencilContext *const pc, GdkEventMotion const &mevent)
{
if ((mevent.state & GDK_CONTROL_MASK) && (mevent.state & GDK_BUTTON1_MASK)) {
// mouse was accidentally moved during Ctrl+click;
// ignore the motion and create a single point
pc->is_drawing = false;
return TRUE;
}
gint ret = FALSE;
SPDesktop *const dt = pc->desktop;
SPEventContext *event_context = SP_EVENT_CONTEXT(pc);
if (event_context->space_panning || mevent.state & GDK_BUTTON2_MASK || mevent.state & GDK_BUTTON3_MASK) {
// allow scrolling
return FALSE;
}
if ( ( mevent.state & GDK_BUTTON1_MASK ) && !pc->grab && pc->is_drawing) {
/* Grab mouse, so release will not pass unnoticed */
pc->grab = SP_CANVAS_ITEM(dt->acetate);
sp_canvas_item_grab(pc->grab, ( GDK_KEY_PRESS_MASK | GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_POINTER_MOTION_MASK ),
NULL, mevent.time);
}
/* Find desktop coordinates */
Geom::Point p = dt->w2d(Geom::Point(mevent.x, mevent.y));
/* Test whether we hit any anchor. */
SPDrawAnchor *anchor = spdc_test_inside(pc, Geom::Point(mevent.x, mevent.y));
if (pencil_within_tolerance) {
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
gint const tolerance = prefs->getIntLimited("/options/dragtolerance/value", 0, 0, 100);
if ( Geom::LInfty( Geom::Point(mevent.x,mevent.y) - pencil_drag_origin_w ) < tolerance ) {
return FALSE; // 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)
pencil_within_tolerance = false;
switch (pc->state) {
case SP_PENCIL_CONTEXT_ADDLINE:
/* Set red endpoint */
if (anchor) {
p = anchor->dp;
} else {
Geom::Point ptnr(p);
spdc_endpoint_snap(pc, ptnr, mevent.state);
p = ptnr;
}
spdc_set_endpoint(pc, p);
ret = TRUE;
break;
default:
/* We may be idle or already freehand */
if ( mevent.state & GDK_BUTTON1_MASK && pc->is_drawing ) {
pc->state = SP_PENCIL_CONTEXT_FREEHAND;
if ( !pc->sa && !pc->green_anchor ) {
/* Create green anchor */
pc->green_anchor = sp_draw_anchor_new(pc, pc->green_curve, TRUE, pc->p[0]);
}
/** \todo
* fixme: I am not sure whether we want to snap to anchors
* in middle of freehand (Lauris)
*/
SnapManager &m = dt->namedview->snap_manager;
if (anchor) {
p = anchor->dp;
} else if ((mevent.state & GDK_SHIFT_MASK) == 0) {
m.setup(dt);
Inkscape::SnappedPoint const s = m.freeSnap(Inkscape::SnapPreferences::SNAPPOINT_NODE, p);
if (s.getSnapped()) {
s.getPoint(p);
pc->prev_snap_was_succesful = true;
} else {
pc->prev_snap_was_succesful = false;
}
}
if ( pc->npoints != 0) { // buttonpress may have happened before we entered draw context!
if (!(pc->prev_snap_was_succesful && m.snapprefs.getSnapPostponedGlobally())) {
// When snapping is enabled but temporarily on hold because the mouse is moving
// fast, then we don't want to add nodes off-grid
spdc_add_freehand_point(pc, p, mevent.state);
ret = TRUE;
}
}
if (anchor && !pc->anchor_statusbar) {
pc->_message_context->set(Inkscape::NORMAL_MESSAGE, _("<b>Release</b> here to close and finish the path."));
pc->anchor_statusbar = true;
} else if (!anchor && pc->anchor_statusbar) {
pc->_message_context->clear();
pc->anchor_statusbar = false;
} else if (!anchor) {
pc->_message_context->set(Inkscape::NORMAL_MESSAGE, _("Drawing a freehand path"));
}
} else {
if (anchor && !pc->anchor_statusbar) {
pc->_message_context->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to continue the path from this point."));
pc->anchor_statusbar = true;
} else if (!anchor && pc->anchor_statusbar) {
pc->_message_context->clear();
pc->anchor_statusbar = false;
}
}
break;
}
return ret;
}
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
pencil_handle_button_press(SPPencilContext *const pc, GdkEventButton const &bevent)
{
gint ret = FALSE;
SPEventContext *event_context = SP_EVENT_CONTEXT(pc);
if ( bevent.button == 1 && !event_context->space_panning) {
SPDrawContext *dc = SP_DRAW_CONTEXT (pc);
SPDesktop *desktop = SP_EVENT_CONTEXT_DESKTOP(dc);
Inkscape::Selection *selection = sp_desktop_selection(desktop);
if (Inkscape::have_viable_layer(desktop, dc->_message_context) == false) {
return TRUE;
}
Geom::Point const button_w(bevent.x, bevent.y);
/* Find desktop coordinates */
Geom::Point p = pc->desktop->w2d(button_w);
/* Test whether we hit any anchor. */
SPDrawAnchor *anchor = spdc_test_inside(pc, button_w);
pencil_drag_origin_w = Geom::Point(bevent.x,bevent.y);
pencil_within_tolerance = true;
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 (bevent.state & GDK_CONTROL_MASK) {
spdc_create_single_dot(event_context, p, "/tools/freehand/pencil", bevent.state);
ret = true;
break;
}
if (anchor) {
p = anchor->dp;
desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Continuing selected path"));
} else {
if (!(bevent.state & GDK_SHIFT_MASK)) {
// This is the first click of a new curve; deselect item so that
// this curve is not combined with it (unless it is drawn from its
// anchor, which is handled by the sibling branch above)
selection->clear();
desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Creating new path"));
SnapManager &m = desktop->namedview->snap_manager;
m.setup(desktop);
Inkscape::SnappedPoint const s = m.freeSnap(Inkscape::SnapPreferences::SNAPPOINT_NODE, p);
if (s.getSnapped()) {
s.getPoint(p);
pc->prev_snap_was_succesful = true;
} else {
pc->prev_snap_was_succesful = false;
}
} else if (selection->singleItem() && SP_IS_PATH(selection->singleItem())) {
desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Appending to selected path"));
}
}
pc->sa = anchor;
spdc_set_startpoint(pc, p);
ret = TRUE;
break;
}
pc->is_drawing = true;
}
return ret;
}
