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Box selection for GraphNodes

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This commit is contained in:
Mariano Javier Suligoy 2015-07-24 21:59:48 -03:00
parent 2a43778793
commit bdde79a3f4
2 changed files with 90 additions and 8 deletions
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91
scene/gui/graph_edit.cpp
View file

@ -169,7 +169,6 @@ void GraphEdit::remove_child_notify(Node *p_child) {
void GraphEdit::_notification(int p_what) {
if (p_what==NOTIFICATION_READY) {
Size2 size = top_layer->get_size();
Size2 hmin = h_scroll->get_combined_minimum_size();
Size2 vmin = v_scroll->get_combined_minimum_size();
@ -488,7 +487,8 @@ void GraphEdit::_top_layer_draw() {
connections.erase(to_erase.front()->get());
to_erase.pop_front();
}
//draw connections
if (box_selecting)
top_layer->draw_rect(box_selecting_rect,Color(0.7,0.7,1.0,0.3));
}
void GraphEdit::_input_event(const InputEvent& p_ev) {
@ -509,13 +509,51 @@ void GraphEdit::_input_event(const InputEvent& p_ev) {
}
}
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;
bool in_box = gn->get_rect().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)
{
emit_signal("popup_request", Vector2(b.global_x, b.global_y));
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 {
emit_signal("popup_request", Vector2(b.global_x, b.global_y));
}
}
if (b.button_index==BUTTON_LEFT && !b.pressed && dragging) {
@ -584,16 +622,50 @@ void GraphEdit::_input_event(const InputEvent& p_ev) {
}
} else {
for(int i=get_child_count()-1;i>=0;i--) {
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)
continue;
GraphNode *gn=get_child(i)->cast_to<GraphNode>();
if (!gn || !gn->is_selected())
continue;
gn->set_selected(false);
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();
}
}
}
@ -678,6 +750,9 @@ GraphEdit::GraphEdit() {
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");
}

7
scene/gui/graph_edit.h
View file

@ -53,6 +53,13 @@ private:
bool just_selected;
Vector2 drag_accum;
bool box_selecting;
bool box_selection_mode_aditive;
Point2 box_selecting_from;
Point2 box_selecting_to;
Rect2 box_selecting_rect;
List<GraphNode*> previus_selected;
bool right_disconnects;
bool updating;
List<Connection> connections;