void GraphEdit::_notification(int p_what) {
if (p_what == NOTIFICATION_ENTER_TREE || p_what == NOTIFICATION_THEME_CHANGED) {
port_grab_distance_horizontal = get_constant("port_grab_distance_horizontal");
port_grab_distance_vertical = get_constant("port_grab_distance_vertical");
}
if (p_what == NOTIFICATION_READY) {
Size2 hmin = h_scroll->get_combined_minimum_size();
Size2 vmin = v_scroll->get_combined_minimum_size();
v_scroll->set_anchor_and_margin(MARGIN_LEFT, ANCHOR_END, -vmin.width);
v_scroll->set_anchor_and_margin(MARGIN_RIGHT, ANCHOR_END, 0);
v_scroll->set_anchor_and_margin(MARGIN_TOP, ANCHOR_BEGIN, 0);
v_scroll->set_anchor_and_margin(MARGIN_BOTTOM, ANCHOR_END, 0);
h_scroll->set_anchor_and_margin(MARGIN_LEFT, ANCHOR_BEGIN, 0);
h_scroll->set_anchor_and_margin(MARGIN_RIGHT, ANCHOR_END, 0);
h_scroll->set_anchor_and_margin(MARGIN_TOP, ANCHOR_END, -hmin.height);
h_scroll->set_anchor_and_margin(MARGIN_BOTTOM, ANCHOR_END, 0);
zoom_minus->set_icon(get_icon("minus"));
zoom_reset->set_icon(get_icon("reset"));
zoom_plus->set_icon(get_icon("more"));
snap_button->set_icon(get_icon("snap"));
}
if (p_what == NOTIFICATION_DRAW) {
draw_style_box(get_stylebox("bg"), Rect2(Point2(), get_size()));
if (is_using_snap()) {
//draw grid
int snap = get_snap();
Vector2 offset = get_scroll_ofs() / zoom;
Size2 size = get_size() / zoom;
Point2i from = (offset / float(snap)).floor();
Point2i len = (size / float(snap)).floor() + Vector2(1, 1);
Color grid_minor = get_color("grid_minor");
Color grid_major = get_color("grid_major");
for (int i = from.x; i < from.x + len.x; i++) {
Color color;
if (ABS(i) % 10 == 0)
color = grid_major;
else
color = grid_minor;
float base_ofs = i * snap * zoom - offset.x * zoom;
draw_line(Vector2(base_ofs, 0), Vector2(base_ofs, get_size().height), color);
}
for (int i = from.y; i < from.y + len.y; i++) {
Color color;
if (ABS(i) % 10 == 0)
color = grid_major;
else
color = grid_minor;
float base_ofs = i * snap * zoom - offset.y * zoom;
draw_line(Vector2(0, base_ofs), Vector2(get_size().width, base_ofs), color);
}
}
}
if (p_what == NOTIFICATION_RESIZED) {
_update_scroll();
top_layer->update();
}
}
void GraphEdit::_gui_input(const Ref<InputEvent> &p_ev) {
Ref<InputEventMouseMotion> mm = p_ev;
if (mm.is_valid() && (mm->get_button_mask() & BUTTON_MASK_MIDDLE || (mm->get_button_mask() & BUTTON_MASK_LEFT && Input::get_singleton()->is_key_pressed(KEY_SPACE)))) {
h_scroll->set_value(h_scroll->get_value() - mm->get_relative().x);
v_scroll->set_value(v_scroll->get_value() - mm->get_relative().y);
}
if (mm.is_valid() && dragging) {
just_selected = true;
// TODO: Remove local mouse pos hack if/when InputEventMouseMotion is fixed to support floats
//drag_accum+=Vector2(mm->get_relative().x,mm->get_relative().y);
drag_accum = get_local_mouse_position() - drag_origin;
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
if (gn && gn->is_selected()) {
Vector2 pos = (gn->get_drag_from() * zoom + drag_accum) / zoom;
if (is_using_snap()) {
int snap = get_snap();
pos = pos.snapped(Vector2(snap, snap));
}
gn->set_offset(pos);
}
}
}
if (mm.is_valid() && box_selecting) {
box_selecting_to = get_local_mouse_position();
box_selecting_rect = Rect2(MIN(box_selecting_from.x, box_selecting_to.x),
MIN(box_selecting_from.y, box_selecting_to.y),
ABS(box_selecting_from.x - box_selecting_to.x),
ABS(box_selecting_from.y - box_selecting_to.y));
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
if (!gn)
continue;
Rect2 r = gn->get_rect();
r.size *= zoom;
bool in_box = r.intersects(box_selecting_rect);
if (in_box)
gn->set_selected(box_selection_mode_aditive);
else
gn->set_selected(previus_selected.find(gn) != NULL);
}
top_layer->update();
}
Ref<InputEventMouseButton> b = p_ev;
if (b.is_valid()) {
if (b->get_button_index() == BUTTON_RIGHT && b->is_pressed()) {
if (box_selecting) {
box_selecting = false;
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
if (!gn)
continue;
gn->set_selected(previus_selected.find(gn) != NULL);
}
top_layer->update();
} else {
if (connecting) {
connecting = false;
top_layer->update();
} else {
emit_signal("popup_request", b->get_global_position());
}
}
}
if (b->get_button_index() == BUTTON_LEFT && !b->is_pressed() && dragging) {
if (!just_selected && drag_accum == Vector2() && Input::get_singleton()->is_key_pressed(KEY_CONTROL)) {
//deselect current node
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
if (gn) {
Rect2 r = gn->get_rect();
r.size *= zoom;
if (r.has_point(get_local_mouse_position()))
gn->set_selected(false);
}
}
}
if (drag_accum != Vector2()) {
emit_signal("_begin_node_move");
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
if (gn && gn->is_selected())
gn->set_drag(false);
}
emit_signal("_end_node_move");
}
dragging = false;
top_layer->update();
update();
connections_layer->update();
}
if (b->get_button_index() == BUTTON_LEFT && b->is_pressed()) {
GraphNode *gn = NULL;
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *gn_selected = Object::cast_to<GraphNode>(get_child(i));
if (gn_selected) {
if (gn_selected->is_resizing())
continue;
if (gn_selected->has_point(gn_selected->get_local_mouse_position())) {
gn = gn_selected;
break;
}
}
}
if (gn) {
if (_filter_input(b->get_position()))
return;
dragging = true;
drag_accum = Vector2();
drag_origin = get_local_mouse_position();
just_selected = !gn->is_selected();
if (!gn->is_selected() && !Input::get_singleton()->is_key_pressed(KEY_CONTROL)) {
for (int i = 0; i < get_child_count(); i++) {
GraphNode *o_gn = Object::cast_to<GraphNode>(get_child(i));
if (o_gn)
o_gn->set_selected(o_gn == gn);
}
}
gn->set_selected(true);
for (int i = 0; i < get_child_count(); i++) {
GraphNode *o_gn = Object::cast_to<GraphNode>(get_child(i));
if (!o_gn)
continue;
if (o_gn->is_selected())
o_gn->set_drag(true);
}
} else {
if (_filter_input(b->get_position()))
return;
if (Input::get_singleton()->is_key_pressed(KEY_SPACE))
return;
box_selecting = true;
box_selecting_from = get_local_mouse_position();
if (b->get_control()) {
box_selection_mode_aditive = true;
previus_selected.clear();
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *gn2 = Object::cast_to<GraphNode>(get_child(i));
if (!gn2 || !gn2->is_selected())
continue;
previus_selected.push_back(gn2);
}
} else if (b->get_shift()) {
box_selection_mode_aditive = false;
previus_selected.clear();
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *gn2 = Object::cast_to<GraphNode>(get_child(i));
if (!gn2 || !gn2->is_selected())
continue;
previus_selected.push_back(gn2);
}
} else {
box_selection_mode_aditive = true;
previus_selected.clear();
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *gn2 = Object::cast_to<GraphNode>(get_child(i));
if (!gn2)
continue;
gn2->set_selected(false);
}
}
}
}
if (b->get_button_index() == BUTTON_LEFT && !b->is_pressed() && box_selecting) {
box_selecting = false;
previus_selected.clear();
top_layer->update();
}
if (b->get_button_index() == BUTTON_WHEEL_UP && b->is_pressed()) {
//too difficult to get right
//set_zoom(zoom*ZOOM_SCALE);
}
if (b->get_button_index() == BUTTON_WHEEL_DOWN && b->is_pressed()) {
//too difficult to get right
//set_zoom(zoom/ZOOM_SCALE);
}
if (b->get_button_index() == BUTTON_WHEEL_UP && !Input::get_singleton()->is_key_pressed(KEY_SHIFT)) {
v_scroll->set_value(v_scroll->get_value() - v_scroll->get_page() * b->get_factor() / 8);
}
if (b->get_button_index() == BUTTON_WHEEL_DOWN && !Input::get_singleton()->is_key_pressed(KEY_SHIFT)) {
v_scroll->set_value(v_scroll->get_value() + v_scroll->get_page() * b->get_factor() / 8);
}
if (b->get_button_index() == BUTTON_WHEEL_RIGHT || (b->get_button_index() == BUTTON_WHEEL_DOWN && Input::get_singleton()->is_key_pressed(KEY_SHIFT))) {
h_scroll->set_value(h_scroll->get_value() + h_scroll->get_page() * b->get_factor() / 8);
}
if (b->get_button_index() == BUTTON_WHEEL_LEFT || (b->get_button_index() == BUTTON_WHEEL_UP && Input::get_singleton()->is_key_pressed(KEY_SHIFT))) {
h_scroll->set_value(h_scroll->get_value() - h_scroll->get_page() * b->get_factor() / 8);
}
}
Ref<InputEventKey> k = p_ev;
if (k.is_valid() && k->get_scancode() == KEY_D && k->is_pressed() && k->get_command()) {
emit_signal("duplicate_nodes_request");
accept_event();
}
if (k.is_valid() && k->get_scancode() == KEY_DELETE && k->is_pressed()) {
emit_signal("delete_nodes_request");
accept_event();
}
Ref<InputEventMagnifyGesture> magnify_gesture = p_ev;
if (magnify_gesture.is_valid()) {
set_zoom_custom(zoom * magnify_gesture->get_factor(), magnify_gesture->get_position());
}
Ref<InputEventPanGesture> pan_gesture = p_ev;
if (pan_gesture.is_valid()) {
h_scroll->set_value(h_scroll->get_value() + h_scroll->get_page() * pan_gesture->get_delta().x / 8);
v_scroll->set_value(v_scroll->get_value() + v_scroll->get_page() * pan_gesture->get_delta().y / 8);
}
}
void GraphEdit::_gui_input(const InputEvent &p_ev) {
if (p_ev.type == InputEvent::MOUSE_MOTION && (p_ev.mouse_motion.button_mask & BUTTON_MASK_MIDDLE || (p_ev.mouse_motion.button_mask & BUTTON_MASK_LEFT && Input::get_singleton()->is_key_pressed(KEY_SPACE)))) {
h_scroll->set_value(h_scroll->get_value() - p_ev.mouse_motion.relative_x);
v_scroll->set_value(v_scroll->get_value() - p_ev.mouse_motion.relative_y);
}
if (p_ev.type == InputEvent::MOUSE_MOTION && dragging) {
just_selected = true;
// TODO: Remove local mouse pos hack if/when InputEventMouseMotion is fixed to support floats
//drag_accum+=Vector2(p_ev.mouse_motion.relative_x,p_ev.mouse_motion.relative_y);
drag_accum = get_local_mouse_pos() - drag_origin;
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *gn = get_child(i)->cast_to<GraphNode>();
if (gn && gn->is_selected()) {
Vector2 pos = (gn->get_drag_from() * zoom + drag_accum) / zoom;
if (is_using_snap()) {
int snap = get_snap();
pos = pos.snapped(Vector2(snap, snap));
}
gn->set_offset(pos);
}
}
}
if (p_ev.type == InputEvent::MOUSE_MOTION && box_selecting) {
box_selecting_to = get_local_mouse_pos();
box_selecting_rect = Rect2(MIN(box_selecting_from.x, box_selecting_to.x),
MIN(box_selecting_from.y, box_selecting_to.y),
ABS(box_selecting_from.x - box_selecting_to.x),
ABS(box_selecting_from.y - box_selecting_to.y));
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *gn = get_child(i)->cast_to<GraphNode>();
if (!gn)
continue;
Rect2 r = gn->get_rect();
r.size *= zoom;
bool in_box = r.intersects(box_selecting_rect);
if (in_box)
gn->set_selected(box_selection_mode_aditive);
else
gn->set_selected(previus_selected.find(gn) != NULL);
}
top_layer->update();
}
if (p_ev.type == InputEvent::MOUSE_BUTTON) {
const InputEventMouseButton &b = p_ev.mouse_button;
if (b.button_index == BUTTON_RIGHT && b.pressed) {
if (box_selecting) {
box_selecting = false;
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *gn = get_child(i)->cast_to<GraphNode>();
if (!gn)
continue;
gn->set_selected(previus_selected.find(gn) != NULL);
}
top_layer->update();
} else {
if (connecting) {
connecting = false;
top_layer->update();
} else {
emit_signal("popup_request", Vector2(b.global_x, b.global_y));
}
}
}
if (b.button_index == BUTTON_LEFT && !b.pressed && dragging) {
if (!just_selected && drag_accum == Vector2() && Input::get_singleton()->is_key_pressed(KEY_CONTROL)) {
//deselect current node
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *gn = get_child(i)->cast_to<GraphNode>();
if (gn) {
Rect2 r = gn->get_rect();
r.size *= zoom;
if (r.has_point(get_local_mouse_pos()))
gn->set_selected(false);
}
}
}
if (drag_accum != Vector2()) {
emit_signal("_begin_node_move");
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *gn = get_child(i)->cast_to<GraphNode>();
if (gn && gn->is_selected())
gn->set_drag(false);
}
emit_signal("_end_node_move");
}
dragging = false;
top_layer->update();
update();
connections_layer->update();
}
if (b.button_index == BUTTON_LEFT && b.pressed) {
GraphNode *gn = NULL;
GraphNode *gn_selected = NULL;
for (int i = get_child_count() - 1; i >= 0; i--) {
gn_selected = get_child(i)->cast_to<GraphNode>();
if (gn_selected) {
if (gn_selected->is_resizing())
continue;
Rect2 r = gn_selected->get_rect();
r.size *= zoom;
if (r.has_point(get_local_mouse_pos()))
gn = gn_selected;
break;
}
}
if (gn) {
if (_filter_input(Vector2(b.x, b.y)))
return;
dragging = true;
drag_accum = Vector2();
drag_origin = get_local_mouse_pos();
just_selected = !gn->is_selected();
if (!gn->is_selected() && !Input::get_singleton()->is_key_pressed(KEY_CONTROL)) {
for (int i = 0; i < get_child_count(); i++) {
GraphNode *o_gn = get_child(i)->cast_to<GraphNode>();
if (o_gn)
o_gn->set_selected(o_gn == gn);
}
}
gn->set_selected(true);
for (int i = 0; i < get_child_count(); i++) {
GraphNode *o_gn = get_child(i)->cast_to<GraphNode>();
if (!o_gn)
continue;
if (o_gn->is_selected())
o_gn->set_drag(true);
}
} else {
if (_filter_input(Vector2(b.x, b.y)))
return;
if (Input::get_singleton()->is_key_pressed(KEY_SPACE))
return;
box_selecting = true;
box_selecting_from = get_local_mouse_pos();
if (b.mod.control) {
box_selection_mode_aditive = true;
previus_selected.clear();
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *gn = get_child(i)->cast_to<GraphNode>();
if (!gn || !gn->is_selected())
continue;
previus_selected.push_back(gn);
}
} else if (b.mod.shift) {
box_selection_mode_aditive = false;
previus_selected.clear();
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *gn = get_child(i)->cast_to<GraphNode>();
if (!gn || !gn->is_selected())
continue;
previus_selected.push_back(gn);
}
} else {
box_selection_mode_aditive = true;
previus_selected.clear();
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *gn = get_child(i)->cast_to<GraphNode>();
if (!gn)
continue;
gn->set_selected(false);
}
}
}
}
if (b.button_index == BUTTON_LEFT && !b.pressed && box_selecting) {
box_selecting = false;
previus_selected.clear();
top_layer->update();
}
if (b.button_index == BUTTON_WHEEL_UP && b.pressed) {
//too difficult to get right
//set_zoom(zoom*ZOOM_SCALE);
}
if (b.button_index == BUTTON_WHEEL_DOWN && b.pressed) {
//too difficult to get right
//set_zoom(zoom/ZOOM_SCALE);
}
}
if (p_ev.type == InputEvent::KEY && p_ev.key.scancode == KEY_D && p_ev.key.pressed && p_ev.key.mod.command) {
emit_signal("duplicate_nodes_request");
accept_event();
}
if (p_ev.type == InputEvent::KEY && p_ev.key.scancode == KEY_DELETE && p_ev.key.pressed) {
emit_signal("delete_nodes_request");
accept_event();
}
}
