コード例 #1
0
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();
	}
}
コード例 #2
0
ファイル: gradient_edit.cpp プロジェクト: Bonfi96/godot
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();
	}
}