godot/editor/editor_spin_slider.cpp
2018-05-21 20:59:54 -03:00

346 lines
11 KiB
C++

/*************************************************************************/
/* editor_spin_slider.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "editor_spin_slider.h"
#include "editor_scale.h"
#include "os/input.h"
String EditorSpinSlider::get_text_value() const {
int zeros = Math::step_decimals(get_step());
return String::num(get_value(), zeros);
}
void EditorSpinSlider::_gui_input(const Ref<InputEvent> &p_event) {
Ref<InputEventMouseButton> mb = p_event;
if (mb.is_valid() && mb->get_button_index() == BUTTON_LEFT) {
if (mb->is_pressed()) {
if (updown_offset != -1 && mb->get_position().x > updown_offset) {
//there is an updown, so use it.
if (mb->get_position().y < get_size().height / 2) {
set_value(get_value() + get_step());
} else {
set_value(get_value() - get_step());
}
return;
} else {
grabbing_spinner_attempt = true;
grabbing_spinner = false;
grabbing_spinner_mouse_pos = Input::get_singleton()->get_mouse_position();
}
} else {
if (grabbing_spinner_attempt) {
if (grabbing_spinner) {
Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_VISIBLE);
Input::get_singleton()->warp_mouse_position(grabbing_spinner_mouse_pos);
update();
} else {
Rect2 gr = get_global_rect();
value_input->set_text(get_text_value());
value_input->set_position(gr.position);
value_input->set_size(gr.size);
value_input->call_deferred("show_modal");
value_input->call_deferred("grab_focus");
value_input->call_deferred("select_all");
}
grabbing_spinner = false;
grabbing_spinner_attempt = false;
}
}
}
Ref<InputEventMouseMotion> mm = p_event;
if (mm.is_valid()) {
if (grabbing_spinner_attempt) {
if (!grabbing_spinner) {
Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_CAPTURED);
grabbing_spinner = true;
}
double v = get_value();
double diff_x = mm->get_relative().x;
diff_x = Math::pow(ABS(diff_x), 1.8) * SGN(diff_x);
diff_x *= 0.1;
v += diff_x * get_step();
set_value(v);
} else if (updown_offset != -1) {
bool new_hover = (mm->get_position().x > updown_offset);
if (new_hover != hover_updown) {
hover_updown = new_hover;
update();
}
}
}
Ref<InputEventKey> k = p_event;
if (k.is_valid() && k->is_pressed() && k->is_action("ui_accept")) {
Rect2 gr = get_global_rect();
value_input->set_text(get_text_value());
value_input->set_position(gr.position);
value_input->set_size(gr.size);
value_input->call_deferred("show_modal");
value_input->call_deferred("grab_focus");
value_input->call_deferred("select_all");
}
}
void EditorSpinSlider::_value_input_closed() {
set_value(value_input->get_text().to_double());
}
void EditorSpinSlider::_value_input_entered(const String &p_text) {
set_value(p_text.to_double());
value_input->hide();
}
void EditorSpinSlider::_grabber_gui_input(const Ref<InputEvent> &p_event) {
Ref<InputEventMouseButton> mb = p_event;
if (mb.is_valid() && mb->get_button_index() == BUTTON_LEFT) {
if (mb->is_pressed()) {
grabbing_grabber = true;
grabbing_ratio = get_as_ratio();
grabbing_from = grabber->get_transform().xform(mb->get_position()).x;
} else {
grabbing_grabber = false;
}
}
Ref<InputEventMouseMotion> mm = p_event;
if (mm.is_valid() && grabbing_grabber) {
float grabbing_ofs = (grabber->get_transform().xform(mm->get_position()).x - grabbing_from) / float(grabber_range);
set_as_ratio(grabbing_ratio + grabbing_ofs);
update();
}
}
void EditorSpinSlider::_notification(int p_what) {
if (p_what == MainLoop::NOTIFICATION_WM_FOCUS_OUT || p_what == MainLoop::NOTIFICATION_WM_FOCUS_OUT) {
if (grabbing_spinner) {
Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_VISIBLE);
grabbing_spinner = false;
grabbing_spinner_attempt = false;
}
}
if (p_what == NOTIFICATION_DRAW) {
updown_offset = -1;
Ref<StyleBox> sb = get_stylebox("normal", "LineEdit");
draw_style_box(sb, Rect2(Vector2(), get_size()));
Ref<Font> font = get_font("font", "LineEdit");
int avail_width = get_size().width - sb->get_minimum_size().width;
avail_width -= font->get_string_size(label).width;
Ref<Texture> updown = get_icon("updown", "SpinBox");
if (get_step() == 1) {
avail_width -= updown->get_width();
}
if (has_focus()) {
Ref<StyleBox> focus = get_stylebox("focus", "LineEdit");
draw_style_box(focus, Rect2(Vector2(), get_size()));
}
String numstr = get_text_value();
int vofs = (get_size().height - font->get_height()) / 2 + font->get_ascent();
Color fc = get_color("font_color", "LineEdit");
int label_ofs = sb->get_offset().x + avail_width;
draw_string(font, Vector2(label_ofs, vofs), label, fc * Color(1, 1, 1, 0.5));
draw_string(font, Vector2(sb->get_offset().x, vofs), numstr, fc, avail_width);
if (get_step() == 1) {
Ref<Texture> updown = get_icon("updown", "SpinBox");
int updown_vofs = (get_size().height - updown->get_height()) / 2;
updown_offset = get_size().width - sb->get_margin(MARGIN_RIGHT) - updown->get_width();
Color c(1, 1, 1);
if (hover_updown) {
c *= Color(1.2, 1.2, 1.2);
}
draw_texture(updown, Vector2(updown_offset, updown_vofs), c);
if (grabber->is_visible()) {
grabber->hide();
}
} else if (!hide_slider) {
int grabber_w = 4 * EDSCALE;
int width = get_size().width - sb->get_minimum_size().width - grabber_w;
int ofs = sb->get_offset().x;
int svofs = (get_size().height + vofs) / 2 - 1;
Color c = fc;
c.a = 0.2;
draw_rect(Rect2(ofs, svofs + 1, width, 2 * EDSCALE), c);
int gofs = get_as_ratio() * width;
c.a = 0.9;
Rect2 grabber_rect = Rect2(ofs + gofs, svofs + 1, grabber_w, 2 * EDSCALE);
draw_rect(grabber_rect, c);
bool display_grabber = (mouse_over_spin || mouse_over_grabber) && !grabbing_spinner;
if (grabber->is_visible() != display_grabber) {
if (display_grabber) {
grabber->show();
} else {
grabber->hide();
}
}
if (display_grabber) {
Ref<Texture> grabber_tex;
if (mouse_over_grabber) {
grabber_tex = get_icon("grabber_highlight", "HSlider");
} else {
grabber_tex = get_icon("grabber", "HSlider");
}
if (grabber->get_texture() != grabber_tex) {
grabber->set_texture(grabber_tex);
}
grabber->set_size(Size2(0, 0));
grabber->set_position(get_global_position() + grabber_rect.position + grabber_rect.size * 0.5 - grabber->get_size() * 0.5);
grabber_range = width;
}
}
}
if (p_what == NOTIFICATION_MOUSE_ENTER) {
mouse_over_spin = true;
update();
}
if (p_what == NOTIFICATION_MOUSE_EXIT) {
mouse_over_spin = false;
update();
}
}
Size2 EditorSpinSlider::get_minimum_size() const {
Ref<StyleBox> sb = get_stylebox("normal", "LineEdit");
Ref<Font> font = get_font("font", "LineEdit");
Size2 ms = sb->get_minimum_size();
ms.height += font->get_height();
return ms;
}
void EditorSpinSlider::set_hide_slider(bool p_hide) {
hide_slider = p_hide;
update();
}
bool EditorSpinSlider::is_hiding_slider() const {
return hide_slider;
}
void EditorSpinSlider::set_label(const String &p_label) {
label = p_label;
update();
}
String EditorSpinSlider::get_label() const {
return label;
}
void EditorSpinSlider::_grabber_mouse_entered() {
mouse_over_grabber = true;
update();
}
void EditorSpinSlider::_grabber_mouse_exited() {
mouse_over_grabber = false;
update();
}
void EditorSpinSlider::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_label", "label"), &EditorSpinSlider::set_label);
ClassDB::bind_method(D_METHOD("get_label"), &EditorSpinSlider::get_label);
ClassDB::bind_method(D_METHOD("_gui_input"), &EditorSpinSlider::_gui_input);
ClassDB::bind_method(D_METHOD("_grabber_mouse_entered"), &EditorSpinSlider::_grabber_mouse_entered);
ClassDB::bind_method(D_METHOD("_grabber_mouse_exited"), &EditorSpinSlider::_grabber_mouse_exited);
ClassDB::bind_method(D_METHOD("_grabber_gui_input"), &EditorSpinSlider::_grabber_gui_input);
ClassDB::bind_method(D_METHOD("_value_input_closed"), &EditorSpinSlider::_value_input_closed);
ClassDB::bind_method(D_METHOD("_value_input_entered"), &EditorSpinSlider::_value_input_entered);
ADD_PROPERTY(PropertyInfo(Variant::STRING, "label"), "set_label", "get_label");
}
EditorSpinSlider::EditorSpinSlider() {
grabbing_spinner_attempt = false;
grabbing_spinner = false;
set_focus_mode(FOCUS_ALL);
updown_offset = -1;
hover_updown = false;
grabber = memnew(TextureRect);
add_child(grabber);
grabber->hide();
grabber->set_as_toplevel(true);
grabber->set_mouse_filter(MOUSE_FILTER_STOP);
grabber->connect("mouse_entered", this, "_grabber_mouse_entered");
grabber->connect("mouse_exited", this, "_grabber_mouse_exited");
grabber->connect("gui_input", this, "_grabber_gui_input");
mouse_over_spin = false;
mouse_over_grabber = false;
grabbing_grabber = false;
grabber_range = 1;
value_input = memnew(LineEdit);
add_child(value_input);
value_input->set_as_toplevel(true);
value_input->hide();
value_input->connect("modal_closed", this, "_value_input_closed");
value_input->connect("text_entered", this, "_value_input_entered");
hide_slider = false;
}