void ColorRampEdit::_input_event(const InputEvent& p_event) {
if (p_event.type==InputEvent::KEY && p_event.key.pressed && p_event.key.scancode==KEY_DELETE && grabbed!=-1) {
points.remove(grabbed);
grabbed=-1;
grabbing=false;
update();
emit_signal("ramp_changed");
accept_event();
}
//Show color picker on double click.
if (p_event.type==InputEvent::MOUSE_BUTTON && p_event.mouse_button.button_index==1 && p_event.mouse_button.doubleclick && p_event.mouse_button.pressed) {
grabbed=_get_point_from_pos(p_event.mouse_button.x);
_show_color_picker();
accept_event();
}
//Delete point on right click
if (p_event.type==InputEvent::MOUSE_BUTTON && p_event.mouse_button.button_index==2 && p_event.mouse_button.pressed) {
grabbed=_get_point_from_pos(p_event.mouse_button.x);
if(grabbed != -1)
{
points.remove(grabbed);
grabbed=-1;
grabbing=false;
update();
emit_signal("ramp_changed");
accept_event();
}
}
//Hold alt key to duplicate selected color
if (p_event.type==InputEvent::MOUSE_BUTTON && p_event.mouse_button.button_index==1 && p_event.mouse_button.pressed && p_event.key.mod.alt ) {
int x = p_event.mouse_button.x;
grabbed=_get_point_from_pos(x);
if( grabbed != -1 ) {
int total_w = get_size().width-get_size().height-3;
ColorRamp::Point newPoint = points[grabbed];
newPoint.offset=CLAMP(x/float(total_w),0,1);
points.push_back(newPoint);
points.sort();
for(int i=0;i<points.size();++i) {
if (points[i].offset==newPoint.offset) {
grabbed=i;
break;
}
}
emit_signal("ramp_changed");
update();
}
}
if (p_event.type==InputEvent::MOUSE_BUTTON && p_event.mouse_button.button_index==1 && p_event.mouse_button.pressed) {
update();
int x = p_event.mouse_button.x;
int total_w = get_size().width-get_size().height-3;
//Check if color selector was clicked.
if (x>total_w+3) {
_show_color_picker();
return;
}
grabbing=true;
grabbed=_get_point_from_pos(x);
//grab or select
if (grabbed!=-1) {
return;
}
//insert
ColorRamp::Point newPoint;
newPoint.offset=CLAMP(x/float(total_w),0,1);
ColorRamp::Point prev;
ColorRamp::Point next;
int pos=-1;
for(int i=0;i<points.size();i++) {
if (points[i].offset<newPoint.offset)
pos=i;
}
if (pos==-1) {
prev.color=Color(0,0,0);
prev.offset=0;
if (points.size()) {
next=points[0];
} else {
next.color=Color(1,1,1);
next.offset=1.0;
}
} else {
if (pos==points.size()-1) {
next.color=Color(1,1,1);
next.offset=1.0;
} else {
next=points[pos+1];
}
prev=points[pos];
}
newPoint.color=prev.color.linear_interpolate(next.color,(newPoint.offset-prev.offset)/(next.offset-prev.offset));
points.push_back(newPoint);
points.sort();
for(int i=0;i<points.size();i++) {
if (points[i].offset==newPoint.offset) {
grabbed=i;
break;
}
}
emit_signal("ramp_changed");
}
if (p_event.type==InputEvent::MOUSE_BUTTON && p_event.mouse_button.button_index==1 && !p_event.mouse_button.pressed) {
if (grabbing) {
grabbing=false;
emit_signal("ramp_changed");
}
update();
}
if (p_event.type==InputEvent::MOUSE_MOTION && grabbing) {
int total_w = get_size().width-get_size().height-3;
int x = p_event.mouse_motion.x;
float newofs = CLAMP(x/float(total_w),0,1);
//Snap to nearest point if holding shift
if (p_event.key.mod.shift) {
float snap_treshhold = 0.03;
float smallest_ofs = snap_treshhold;
bool founded = false;
int nearest_point;
for(int i=0;i<points.size();++i) {
if (i != grabbed) {
float temp_ofs = ABS(points[i].offset - newofs);
if (temp_ofs < smallest_ofs) {
smallest_ofs = temp_ofs;
nearest_point = i;
if (founded)
break;
founded = true;
}
}
}
if (founded) {
if (points[nearest_point].offset < newofs)
newofs = points[nearest_point].offset+0.00001;
else
newofs = points[nearest_point].offset-0.00001;
newofs = CLAMP(newofs,0,1);
}
}
bool valid=true;
for(int i=0;i<points.size();i++) {
if (points[i].offset==newofs && i!=grabbed) {
valid=false;
}
}
if (!valid)
return;
points[grabbed].offset=newofs;
points.sort();
for(int i=0;i<points.size();i++) {
if (points[i].offset==newofs) {
grabbed=i;
break;
}
}
emit_signal("ramp_changed");
update();
}
}
void GradientEdit::_gui_input(const Ref<InputEvent> &p_event) {
Ref<InputEventKey> k = p_event;
if (k.is_valid() && k->is_pressed() && k->get_scancode() == KEY_DELETE && grabbed != -1) {
points.remove(grabbed);
grabbed = -1;
grabbing = false;
update();
emit_signal("ramp_changed");
accept_event();
}
Ref<InputEventMouseButton> mb = p_event;
//Show color picker on double click.
if (mb.is_valid() && mb->get_button_index() == 1 && mb->is_doubleclick() && mb->is_pressed()) {
grabbed = _get_point_from_pos(mb->get_position().x);
_show_color_picker();
accept_event();
}
//Delete point on right click
if (mb.is_valid() && mb->get_button_index() == 2 && mb->is_pressed()) {
grabbed = _get_point_from_pos(mb->get_position().x);
if (grabbed != -1) {
points.remove(grabbed);
grabbed = -1;
grabbing = false;
update();
emit_signal("ramp_changed");
accept_event();
}
}
//Hold alt key to duplicate selected color
if (mb.is_valid() && mb->get_button_index() == 1 && mb->is_pressed() && mb->get_alt()) {
int x = mb->get_position().x;
grabbed = _get_point_from_pos(x);
if (grabbed != -1) {
int total_w = get_size().width - get_size().height - 3;
Gradient::Point newPoint = points[grabbed];
newPoint.offset = CLAMP(x / float(total_w), 0, 1);
points.push_back(newPoint);
points.sort();
for (int i = 0; i < points.size(); ++i) {
if (points[i].offset == newPoint.offset) {
grabbed = i;
break;
}
}
emit_signal("ramp_changed");
update();
}
}
if (mb.is_valid() && mb->get_button_index() == 1 && mb->is_pressed()) {
update();
int x = mb->get_position().x;
int total_w = get_size().width - get_size().height - 3;
//Check if color selector was clicked.
if (x > total_w + 3) {
_show_color_picker();
return;
}
grabbing = true;
grabbed = _get_point_from_pos(x);
//grab or select
if (grabbed != -1) {
return;
}
//insert
Gradient::Point newPoint;
newPoint.offset = CLAMP(x / float(total_w), 0, 1);
Gradient::Point prev;
Gradient::Point next;
int pos = -1;
for (int i = 0; i < points.size(); i++) {
if (points[i].offset < newPoint.offset)
pos = i;
}
if (pos == -1) {
prev.color = Color(0, 0, 0);
prev.offset = 0;
if (points.size()) {
next = points[0];
} else {
next.color = Color(1, 1, 1);
next.offset = 1.0;
}
} else {
if (pos == points.size() - 1) {
next.color = Color(1, 1, 1);
next.offset = 1.0;
} else {
next = points[pos + 1];
}
prev = points[pos];
}
newPoint.color = prev.color.linear_interpolate(next.color, (newPoint.offset - prev.offset) / (next.offset - prev.offset));
points.push_back(newPoint);
points.sort();
for (int i = 0; i < points.size(); i++) {
if (points[i].offset == newPoint.offset) {
grabbed = i;
break;
}
}
emit_signal("ramp_changed");
}
if (mb.is_valid() && mb->get_button_index() == 1 && !mb->is_pressed()) {
if (grabbing) {
grabbing = false;
emit_signal("ramp_changed");
}
update();
}
Ref<InputEventMouseMotion> mm = p_event;
if (mm.is_valid() && grabbing) {
int total_w = get_size().width - get_size().height - 3;
int x = mm->get_position().x;
float newofs = CLAMP(x / float(total_w), 0, 1);
//Snap to nearest point if holding shift
if (mm->get_shift()) {
float snap_treshhold = 0.03;
float smallest_ofs = snap_treshhold;
bool founded = false;
int nearest_point;
for (int i = 0; i < points.size(); ++i) {
if (i != grabbed) {
float temp_ofs = ABS(points[i].offset - newofs);
if (temp_ofs < smallest_ofs) {
smallest_ofs = temp_ofs;
nearest_point = i;
if (founded)
break;
founded = true;
}
}
}
if (founded) {
if (points[nearest_point].offset < newofs)
newofs = points[nearest_point].offset + 0.00001;
else
newofs = points[nearest_point].offset - 0.00001;
newofs = CLAMP(newofs, 0, 1);
}
}
bool valid = true;
for (int i = 0; i < points.size(); i++) {
if (points[i].offset == newofs && i != grabbed) {
valid = false;
}
}
if (!valid)
return;
points[grabbed].offset = newofs;
points.sort();
for (int i = 0; i < points.size(); i++) {
if (points[i].offset == newofs) {
grabbed = i;
break;
}
}
emit_signal("ramp_changed");
update();
}
}
