GraphEdit::GraphEdit() {
set_focus_mode(FOCUS_ALL);
top_layer=NULL;
top_layer=memnew(GraphEditFilter(this));
add_child(top_layer);
top_layer->set_stop_mouse(false);
top_layer->set_area_as_parent_rect();
top_layer->connect("draw",this,"_top_layer_draw");
top_layer->set_stop_mouse(false);
top_layer->connect("input_event",this,"_top_layer_input");
h_scroll = memnew(HScrollBar);
h_scroll->set_name("_h_scroll");
top_layer->add_child(h_scroll);
v_scroll = memnew(VScrollBar);
v_scroll->set_name("_v_scroll");
top_layer->add_child(v_scroll);
updating=false;
connecting=false;
right_disconnects=false;
box_selecting = false;
dragging = false;
h_scroll->connect("value_changed", this,"_scroll_moved");
v_scroll->connect("value_changed", this,"_scroll_moved");
}
GraphEdit::GraphEdit() {
set_focus_mode(FOCUS_ALL);
awaiting_scroll_offset_update = false;
top_layer = NULL;
top_layer = memnew(GraphEditFilter(this));
add_child(top_layer);
top_layer->set_mouse_filter(MOUSE_FILTER_PASS);
top_layer->set_anchors_and_margins_preset(Control::PRESET_WIDE);
top_layer->connect("draw", this, "_top_layer_draw");
top_layer->set_mouse_filter(MOUSE_FILTER_PASS);
top_layer->connect("gui_input", this, "_top_layer_input");
connections_layer = memnew(Control);
add_child(connections_layer);
connections_layer->connect("draw", this, "_connections_layer_draw");
connections_layer->set_name("CLAYER");
connections_layer->set_disable_visibility_clip(true); // so it can draw freely and be offset
connections_layer->set_mouse_filter(MOUSE_FILTER_IGNORE);
h_scroll = memnew(HScrollBar);
h_scroll->set_name("_h_scroll");
top_layer->add_child(h_scroll);
v_scroll = memnew(VScrollBar);
v_scroll->set_name("_v_scroll");
top_layer->add_child(v_scroll);
updating = false;
connecting = false;
right_disconnects = false;
box_selecting = false;
dragging = false;
//set large minmax so it can scroll even if not resized yet
h_scroll->set_min(-10000);
h_scroll->set_max(10000);
v_scroll->set_min(-10000);
v_scroll->set_max(10000);
h_scroll->connect("value_changed", this, "_scroll_moved");
v_scroll->connect("value_changed", this, "_scroll_moved");
zoom = 1;
zoom_hb = memnew(HBoxContainer);
top_layer->add_child(zoom_hb);
zoom_hb->set_position(Vector2(10, 10));
zoom_minus = memnew(ToolButton);
zoom_hb->add_child(zoom_minus);
zoom_minus->set_tooltip(RTR("Zoom Out"));
zoom_minus->connect("pressed", this, "_zoom_minus");
zoom_minus->set_focus_mode(FOCUS_NONE);
zoom_reset = memnew(ToolButton);
zoom_hb->add_child(zoom_reset);
zoom_reset->set_tooltip(RTR("Zoom Reset"));
zoom_reset->connect("pressed", this, "_zoom_reset");
zoom_reset->set_focus_mode(FOCUS_NONE);
zoom_plus = memnew(ToolButton);
zoom_hb->add_child(zoom_plus);
zoom_plus->set_tooltip(RTR("Zoom In"));
zoom_plus->connect("pressed", this, "_zoom_plus");
zoom_plus->set_focus_mode(FOCUS_NONE);
snap_button = memnew(ToolButton);
snap_button->set_toggle_mode(true);
snap_button->set_tooltip(RTR("Enable snap and show grid."));
snap_button->connect("pressed", this, "_snap_toggled");
snap_button->set_pressed(true);
snap_button->set_focus_mode(FOCUS_NONE);
zoom_hb->add_child(snap_button);
snap_amount = memnew(SpinBox);
snap_amount->set_min(5);
snap_amount->set_max(100);
snap_amount->set_step(1);
snap_amount->set_value(20);
snap_amount->connect("value_changed", this, "_snap_value_changed");
zoom_hb->add_child(snap_amount);
setting_scroll_ofs = false;
just_disconnected = false;
set_clip_contents(true);
}