godot/scene/gui/color_picker.cpp
2020-10-01 03:17:33 -04:00

1013 lines
31 KiB
C++

/*************************************************************************/
/* color_picker.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 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 "color_picker.h"
#include "core/input/input.h"
#include "core/os/keyboard.h"
#include "core/os/os.h"
#ifdef TOOLS_ENABLED
#include "editor/editor_scale.h"
#include "editor/editor_settings.h"
#endif
#include "scene/main/window.h"
void ColorPicker::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_THEME_CHANGED: {
btn_pick->set_icon(get_theme_icon("screen_picker", "ColorPicker"));
bt_add_preset->set_icon(get_theme_icon("add_preset"));
_update_controls();
} break;
case NOTIFICATION_ENTER_TREE: {
btn_pick->set_icon(get_theme_icon("screen_picker", "ColorPicker"));
bt_add_preset->set_icon(get_theme_icon("add_preset"));
_update_color();
#ifdef TOOLS_ENABLED
if (Engine::get_singleton()->is_editor_hint()) {
PackedColorArray saved_presets = EditorSettings::get_singleton()->get_project_metadata("color_picker", "presets", PackedColorArray());
for (int i = 0; i < saved_presets.size(); i++) {
add_preset(saved_presets[i]);
}
}
#endif
} break;
case NOTIFICATION_PARENTED: {
for (int i = 0; i < 4; i++) {
set_margin((Margin)i, get_margin((Margin)i) + get_theme_constant("margin"));
}
} break;
case NOTIFICATION_VISIBILITY_CHANGED: {
Popup *p = Object::cast_to<Popup>(get_parent());
if (p) {
p->set_size(Size2(get_combined_minimum_size().width + get_theme_constant("margin") * 2, get_combined_minimum_size().height + get_theme_constant("margin") * 2));
}
} break;
case NOTIFICATION_WM_CLOSE_REQUEST: {
if (screen != nullptr && screen->is_visible()) {
screen->hide();
}
} break;
}
}
void ColorPicker::set_focus_on_line_edit() {
c_text->call_deferred("grab_focus");
}
void ColorPicker::_update_controls() {
const char *rgb[3] = { "R", "G", "B" };
const char *hsv[3] = { "H", "S", "V" };
if (hsv_mode_enabled) {
for (int i = 0; i < 3; i++) {
labels[i]->set_text(hsv[i]);
}
} else {
for (int i = 0; i < 3; i++) {
labels[i]->set_text(rgb[i]);
}
}
if (hsv_mode_enabled) {
set_raw_mode(false);
btn_raw->set_disabled(true);
} else if (raw_mode_enabled) {
set_hsv_mode(false);
btn_hsv->set_disabled(true);
} else {
btn_raw->set_disabled(false);
btn_hsv->set_disabled(false);
}
if (edit_alpha) {
values[3]->show();
scroll[3]->show();
labels[3]->show();
} else {
values[3]->hide();
scroll[3]->hide();
labels[3]->hide();
}
}
void ColorPicker::_set_pick_color(const Color &p_color, bool p_update_sliders) {
color = p_color;
if (color != last_hsv) {
h = color.get_h();
s = color.get_s();
v = color.get_v();
last_hsv = color;
}
if (!is_inside_tree()) {
return;
}
_update_color(p_update_sliders);
}
void ColorPicker::set_pick_color(const Color &p_color) {
_set_pick_color(p_color, true); //because setters can't have more arguments
}
void ColorPicker::set_edit_alpha(bool p_show) {
edit_alpha = p_show;
_update_controls();
if (!is_inside_tree()) {
return;
}
_update_color();
sample->update();
}
bool ColorPicker::is_editing_alpha() const {
return edit_alpha;
}
void ColorPicker::_value_changed(double) {
if (updating) {
return;
}
if (hsv_mode_enabled) {
color.set_hsv(scroll[0]->get_value() / 360.0,
scroll[1]->get_value() / 100.0,
scroll[2]->get_value() / 100.0,
scroll[3]->get_value() / 255.0);
} else {
for (int i = 0; i < 4; i++) {
color.components[i] = scroll[i]->get_value() / (raw_mode_enabled ? 1.0 : 255.0);
}
}
_set_pick_color(color, false);
emit_signal("color_changed", color);
}
void ColorPicker::_html_entered(const String &p_html) {
if (updating || text_is_constructor || !c_text->is_visible()) {
return;
}
float last_alpha = color.a;
color = Color::html(p_html);
if (!is_editing_alpha()) {
color.a = last_alpha;
}
if (!is_inside_tree()) {
return;
}
set_pick_color(color);
emit_signal("color_changed", color);
}
void ColorPicker::_update_color(bool p_update_sliders) {
updating = true;
if (p_update_sliders) {
if (hsv_mode_enabled) {
for (int i = 0; i < 4; i++) {
scroll[i]->set_step(1.0);
}
scroll[0]->set_max(359);
scroll[0]->set_value(h * 360.0);
scroll[1]->set_max(100);
scroll[1]->set_value(s * 100.0);
scroll[2]->set_max(100);
scroll[2]->set_value(v * 100.0);
scroll[3]->set_max(255);
scroll[3]->set_value(color.components[3] * 255.0);
} else {
for (int i = 0; i < 4; i++) {
if (raw_mode_enabled) {
scroll[i]->set_step(0.01);
scroll[i]->set_max(100);
if (i == 3) {
scroll[i]->set_max(1);
}
scroll[i]->set_value(color.components[i]);
} else {
scroll[i]->set_step(1);
const float byte_value = color.components[i] * 255.0;
scroll[i]->set_max(next_power_of_2(MAX(255, byte_value)) - 1);
scroll[i]->set_value(byte_value);
}
}
}
}
_update_text_value();
sample->update();
uv_edit->update();
w_edit->update();
updating = false;
}
void ColorPicker::_update_presets() {
return;
//presets should be shown using buttons or something else, this method is not a good idea
presets_per_row = 10;
Size2 size = bt_add_preset->get_size();
Size2 preset_size = Size2(MIN(size.width * presets.size(), presets_per_row * size.width), size.height * (Math::ceil((float)presets.size() / presets_per_row)));
preset->set_custom_minimum_size(preset_size);
preset_container->set_custom_minimum_size(preset_size);
preset->draw_rect(Rect2(Point2(), preset_size), Color(1, 1, 1, 0));
for (int i = 0; i < presets.size(); i++) {
int x = (i % presets_per_row) * size.width;
int y = (Math::floor((float)i / presets_per_row)) * size.height;
preset->draw_rect(Rect2(Point2(x, y), size), presets[i]);
}
_notification(NOTIFICATION_VISIBILITY_CHANGED);
}
void ColorPicker::_text_type_toggled() {
text_is_constructor = !text_is_constructor;
if (text_is_constructor) {
text_type->set_text("");
text_type->set_icon(get_theme_icon("Script", "EditorIcons"));
c_text->set_editable(false);
} else {
text_type->set_text("#");
text_type->set_icon(nullptr);
c_text->set_editable(true);
}
_update_color();
}
Color ColorPicker::get_pick_color() const {
return color;
}
void ColorPicker::add_preset(const Color &p_color) {
if (presets.find(p_color)) {
presets.move_to_back(presets.find(p_color));
} else {
presets.push_back(p_color);
}
preset->update();
#ifdef TOOLS_ENABLED
if (Engine::get_singleton()->is_editor_hint()) {
PackedColorArray arr_to_save = get_presets();
EditorSettings::get_singleton()->set_project_metadata("color_picker", "presets", arr_to_save);
}
#endif
}
void ColorPicker::erase_preset(const Color &p_color) {
if (presets.find(p_color)) {
presets.erase(presets.find(p_color));
preset->update();
#ifdef TOOLS_ENABLED
if (Engine::get_singleton()->is_editor_hint()) {
PackedColorArray arr_to_save = get_presets();
EditorSettings::get_singleton()->set_project_metadata("color_picker", "presets", arr_to_save);
}
#endif
}
}
PackedColorArray ColorPicker::get_presets() const {
PackedColorArray arr;
arr.resize(presets.size());
for (int i = 0; i < presets.size(); i++) {
arr.set(i, presets[i]);
}
return arr;
}
void ColorPicker::set_hsv_mode(bool p_enabled) {
if (hsv_mode_enabled == p_enabled || raw_mode_enabled) {
return;
}
hsv_mode_enabled = p_enabled;
if (btn_hsv->is_pressed() != p_enabled) {
btn_hsv->set_pressed(p_enabled);
}
if (!is_inside_tree()) {
return;
}
_update_controls();
_update_color();
}
bool ColorPicker::is_hsv_mode() const {
return hsv_mode_enabled;
}
void ColorPicker::set_raw_mode(bool p_enabled) {
if (raw_mode_enabled == p_enabled || hsv_mode_enabled) {
return;
}
raw_mode_enabled = p_enabled;
if (btn_raw->is_pressed() != p_enabled) {
btn_raw->set_pressed(p_enabled);
}
if (!is_inside_tree()) {
return;
}
_update_controls();
_update_color();
}
bool ColorPicker::is_raw_mode() const {
return raw_mode_enabled;
}
void ColorPicker::set_deferred_mode(bool p_enabled) {
deferred_mode_enabled = p_enabled;
}
bool ColorPicker::is_deferred_mode() const {
return deferred_mode_enabled;
}
void ColorPicker::_update_text_value() {
bool visible = true;
if (text_is_constructor) {
String t = "Color(" + String::num(color.r) + ", " + String::num(color.g) + ", " + String::num(color.b);
if (edit_alpha && color.a < 1) {
t += ", " + String::num(color.a) + ")";
} else {
t += ")";
}
c_text->set_text(t);
}
if (color.r > 1 || color.g > 1 || color.b > 1 || color.r < 0 || color.g < 0 || color.b < 0) {
visible = false;
} else if (!text_is_constructor) {
c_text->set_text(color.to_html(edit_alpha && color.a < 1));
}
text_type->set_visible(visible);
c_text->set_visible(visible);
}
void ColorPicker::_sample_draw() {
const Rect2 r = Rect2(Point2(), Size2(uv_edit->get_size().width, sample->get_size().height * 0.95));
if (color.a < 1.0) {
sample->draw_texture_rect(get_theme_icon("preset_bg", "ColorPicker"), r, true);
}
sample->draw_rect(r, color);
if (color.r > 1 || color.g > 1 || color.b > 1) {
// Draw an indicator to denote that the color is "overbright" and can't be displayed accurately in the preview
sample->draw_texture(get_theme_icon("overbright_indicator", "ColorPicker"), Point2());
}
}
void ColorPicker::_hsv_draw(int p_which, Control *c) {
if (!c) {
return;
}
if (p_which == 0) {
Vector<Point2> points;
points.push_back(Vector2());
points.push_back(Vector2(c->get_size().x, 0));
points.push_back(c->get_size());
points.push_back(Vector2(0, c->get_size().y));
Vector<Color> colors;
colors.push_back(Color(1, 1, 1, 1));
colors.push_back(Color(1, 1, 1, 1));
colors.push_back(Color(0, 0, 0, 1));
colors.push_back(Color(0, 0, 0, 1));
c->draw_polygon(points, colors);
Vector<Color> colors2;
Color col = color;
col.set_hsv(h, 1, 1);
col.a = 0;
colors2.push_back(col);
col.a = 1;
colors2.push_back(col);
col.set_hsv(h, 1, 0);
colors2.push_back(col);
col.a = 0;
colors2.push_back(col);
c->draw_polygon(points, colors2);
int x = CLAMP(c->get_size().x * s, 0, c->get_size().x);
int y = CLAMP(c->get_size().y - c->get_size().y * v, 0, c->get_size().y);
col = color;
col.a = 1;
c->draw_line(Point2(x, 0), Point2(x, c->get_size().y), col.inverted());
c->draw_line(Point2(0, y), Point2(c->get_size().x, y), col.inverted());
c->draw_line(Point2(x, y), Point2(x, y), Color(1, 1, 1), 2);
} else if (p_which == 1) {
Ref<Texture2D> hue = get_theme_icon("color_hue", "ColorPicker");
c->draw_texture_rect(hue, Rect2(Point2(), c->get_size()));
int y = c->get_size().y - c->get_size().y * (1.0 - h);
Color col = Color();
col.set_hsv(h, 1, 1);
c->draw_line(Point2(0, y), Point2(c->get_size().x, y), col.inverted());
}
}
void ColorPicker::_uv_input(const Ref<InputEvent> &p_event) {
Ref<InputEventMouseButton> bev = p_event;
if (bev.is_valid()) {
if (bev->is_pressed() && bev->get_button_index() == BUTTON_LEFT) {
changing_color = true;
float x = CLAMP((float)bev->get_position().x, 0, uv_edit->get_size().width);
float y = CLAMP((float)bev->get_position().y, 0, uv_edit->get_size().height);
s = x / uv_edit->get_size().width;
v = 1.0 - y / uv_edit->get_size().height;
color.set_hsv(h, s, v, color.a);
last_hsv = color;
set_pick_color(color);
_update_color();
if (!deferred_mode_enabled) {
emit_signal("color_changed", color);
}
} else if (deferred_mode_enabled && !bev->is_pressed() && bev->get_button_index() == BUTTON_LEFT) {
emit_signal("color_changed", color);
changing_color = false;
} else {
changing_color = false;
}
}
Ref<InputEventMouseMotion> mev = p_event;
if (mev.is_valid()) {
if (!changing_color) {
return;
}
float x = CLAMP((float)mev->get_position().x, 0, uv_edit->get_size().width);
float y = CLAMP((float)mev->get_position().y, 0, uv_edit->get_size().height);
s = x / uv_edit->get_size().width;
v = 1.0 - y / uv_edit->get_size().height;
color.set_hsv(h, s, v, color.a);
last_hsv = color;
set_pick_color(color);
_update_color();
if (!deferred_mode_enabled) {
emit_signal("color_changed", color);
}
}
}
void ColorPicker::_w_input(const Ref<InputEvent> &p_event) {
Ref<InputEventMouseButton> bev = p_event;
if (bev.is_valid()) {
if (bev->is_pressed() && bev->get_button_index() == BUTTON_LEFT) {
changing_color = true;
float y = CLAMP((float)bev->get_position().y, 0, w_edit->get_size().height);
h = y / w_edit->get_size().height;
} else {
changing_color = false;
}
color.set_hsv(h, s, v, color.a);
last_hsv = color;
set_pick_color(color);
_update_color();
if (!deferred_mode_enabled) {
emit_signal("color_changed", color);
} else if (!bev->is_pressed() && bev->get_button_index() == BUTTON_LEFT) {
emit_signal("color_changed", color);
}
}
Ref<InputEventMouseMotion> mev = p_event;
if (mev.is_valid()) {
if (!changing_color) {
return;
}
float y = CLAMP((float)mev->get_position().y, 0, w_edit->get_size().height);
h = y / w_edit->get_size().height;
color.set_hsv(h, s, v, color.a);
last_hsv = color;
set_pick_color(color);
_update_color();
if (!deferred_mode_enabled) {
emit_signal("color_changed", color);
}
}
}
void ColorPicker::_preset_input(const Ref<InputEvent> &p_event) {
Ref<InputEventMouseButton> bev = p_event;
if (bev.is_valid()) {
int index = 0;
if (bev->is_pressed() && bev->get_button_index() == BUTTON_LEFT) {
for (int i = 0; i < presets.size(); i++) {
int x = (i % presets_per_row) * bt_add_preset->get_size().x;
int y = (Math::floor((float)i / presets_per_row)) * bt_add_preset->get_size().y;
if (bev->get_position().x > x && bev->get_position().x < x + preset->get_size().x && bev->get_position().y > y && bev->get_position().y < y + preset->get_size().y) {
index = i;
}
}
set_pick_color(presets[index]);
_update_color();
emit_signal("color_changed", color);
} else if (bev->is_pressed() && bev->get_button_index() == BUTTON_RIGHT && presets_enabled) {
index = bev->get_position().x / (preset->get_size().x / presets.size());
Color clicked_preset = presets[index];
erase_preset(clicked_preset);
emit_signal("preset_removed", clicked_preset);
bt_add_preset->show();
}
}
Ref<InputEventMouseMotion> mev = p_event;
if (mev.is_valid()) {
int index = mev->get_position().x * presets.size();
if (preset->get_size().x != 0) {
index /= preset->get_size().x;
}
if (index < 0 || index >= presets.size()) {
return;
}
preset->set_tooltip(vformat(RTR("Color: #%s\nLMB: Set color\nRMB: Remove preset"), presets[index].to_html(presets[index].a < 1)));
}
}
void ColorPicker::_screen_input(const Ref<InputEvent> &p_event) {
Ref<InputEventMouseButton> bev = p_event;
if (bev.is_valid() && bev->get_button_index() == BUTTON_LEFT && !bev->is_pressed()) {
emit_signal("color_changed", color);
screen->hide();
}
Ref<InputEventMouseMotion> mev = p_event;
if (mev.is_valid()) {
Viewport *r = get_tree()->get_root();
if (!r->get_visible_rect().has_point(Point2(mev->get_global_position().x, mev->get_global_position().y))) {
return;
}
Ref<Image> img = r->get_texture()->get_data();
if (img.is_valid() && !img->empty()) {
Vector2 ofs = mev->get_global_position() - r->get_visible_rect().get_position();
Color c = img->get_pixel(ofs.x, r->get_visible_rect().size.height - ofs.y);
set_pick_color(c);
}
}
}
void ColorPicker::_add_preset_pressed() {
add_preset(color);
emit_signal("preset_added", color);
}
void ColorPicker::_screen_pick_pressed() {
Viewport *r = get_tree()->get_root();
if (!screen) {
screen = memnew(Control);
r->add_child(screen);
screen->set_as_top_level(true);
screen->set_anchors_and_margins_preset(Control::PRESET_WIDE);
screen->set_default_cursor_shape(CURSOR_POINTING_HAND);
screen->connect("gui_input", callable_mp(this, &ColorPicker::_screen_input));
// It immediately toggles off in the first press otherwise.
screen->call_deferred("connect", "hide", Callable(btn_pick, "set_pressed"), varray(false));
}
screen->raise();
#ifndef _MSC_VER
#warning show modal no longer works, needs to be converted to a popup
#endif
//screen->show_modal();
}
void ColorPicker::_focus_enter() {
bool has_ctext_focus = c_text->has_focus();
if (has_ctext_focus) {
c_text->select_all();
} else {
c_text->select(0, 0);
}
for (int i = 0; i < 4; i++) {
if (values[i]->get_line_edit()->has_focus() && !has_ctext_focus) {
values[i]->get_line_edit()->select_all();
} else {
values[i]->get_line_edit()->select(0, 0);
}
}
}
void ColorPicker::_focus_exit() {
for (int i = 0; i < 4; i++) {
if (!values[i]->get_line_edit()->get_menu()->is_visible()) {
values[i]->get_line_edit()->select(0, 0);
}
}
c_text->select(0, 0);
}
void ColorPicker::_html_focus_exit() {
if (c_text->get_menu()->is_visible()) {
return;
}
_html_entered(c_text->get_text());
_focus_exit();
}
void ColorPicker::set_presets_enabled(bool p_enabled) {
presets_enabled = p_enabled;
if (!p_enabled) {
bt_add_preset->set_disabled(true);
bt_add_preset->set_focus_mode(FOCUS_NONE);
} else {
bt_add_preset->set_disabled(false);
bt_add_preset->set_focus_mode(FOCUS_ALL);
}
}
bool ColorPicker::are_presets_enabled() const {
return presets_enabled;
}
void ColorPicker::set_presets_visible(bool p_visible) {
presets_visible = p_visible;
preset_separator->set_visible(p_visible);
preset_container->set_visible(p_visible);
preset_container2->set_visible(p_visible);
}
bool ColorPicker::are_presets_visible() const {
return presets_visible;
}
void ColorPicker::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_pick_color", "color"), &ColorPicker::set_pick_color);
ClassDB::bind_method(D_METHOD("get_pick_color"), &ColorPicker::get_pick_color);
ClassDB::bind_method(D_METHOD("set_hsv_mode"), &ColorPicker::set_hsv_mode);
ClassDB::bind_method(D_METHOD("is_hsv_mode"), &ColorPicker::is_hsv_mode);
ClassDB::bind_method(D_METHOD("set_raw_mode"), &ColorPicker::set_raw_mode);
ClassDB::bind_method(D_METHOD("is_raw_mode"), &ColorPicker::is_raw_mode);
ClassDB::bind_method(D_METHOD("set_deferred_mode", "mode"), &ColorPicker::set_deferred_mode);
ClassDB::bind_method(D_METHOD("is_deferred_mode"), &ColorPicker::is_deferred_mode);
ClassDB::bind_method(D_METHOD("set_edit_alpha", "show"), &ColorPicker::set_edit_alpha);
ClassDB::bind_method(D_METHOD("is_editing_alpha"), &ColorPicker::is_editing_alpha);
ClassDB::bind_method(D_METHOD("set_presets_enabled", "enabled"), &ColorPicker::set_presets_enabled);
ClassDB::bind_method(D_METHOD("are_presets_enabled"), &ColorPicker::are_presets_enabled);
ClassDB::bind_method(D_METHOD("set_presets_visible", "visible"), &ColorPicker::set_presets_visible);
ClassDB::bind_method(D_METHOD("are_presets_visible"), &ColorPicker::are_presets_visible);
ClassDB::bind_method(D_METHOD("add_preset", "color"), &ColorPicker::add_preset);
ClassDB::bind_method(D_METHOD("erase_preset", "color"), &ColorPicker::erase_preset);
ClassDB::bind_method(D_METHOD("get_presets"), &ColorPicker::get_presets);
ADD_PROPERTY(PropertyInfo(Variant::COLOR, "color"), "set_pick_color", "get_pick_color");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "edit_alpha"), "set_edit_alpha", "is_editing_alpha");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "hsv_mode"), "set_hsv_mode", "is_hsv_mode");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "raw_mode"), "set_raw_mode", "is_raw_mode");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "deferred_mode"), "set_deferred_mode", "is_deferred_mode");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "presets_enabled"), "set_presets_enabled", "are_presets_enabled");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "presets_visible"), "set_presets_visible", "are_presets_visible");
ADD_SIGNAL(MethodInfo("color_changed", PropertyInfo(Variant::COLOR, "color")));
ADD_SIGNAL(MethodInfo("preset_added", PropertyInfo(Variant::COLOR, "color")));
ADD_SIGNAL(MethodInfo("preset_removed", PropertyInfo(Variant::COLOR, "color")));
}
ColorPicker::ColorPicker() :
BoxContainer(true) {
updating = true;
edit_alpha = true;
text_is_constructor = false;
hsv_mode_enabled = false;
raw_mode_enabled = false;
deferred_mode_enabled = false;
changing_color = false;
presets_enabled = true;
presets_visible = true;
screen = nullptr;
HBoxContainer *hb_edit = memnew(HBoxContainer);
add_child(hb_edit);
hb_edit->set_v_size_flags(SIZE_EXPAND_FILL);
uv_edit = memnew(Control);
hb_edit->add_child(uv_edit);
uv_edit->connect("gui_input", callable_mp(this, &ColorPicker::_uv_input));
uv_edit->set_mouse_filter(MOUSE_FILTER_PASS);
uv_edit->set_h_size_flags(SIZE_EXPAND_FILL);
uv_edit->set_v_size_flags(SIZE_EXPAND_FILL);
uv_edit->set_custom_minimum_size(Size2(get_theme_constant("sv_width"), get_theme_constant("sv_height")));
uv_edit->connect("draw", callable_mp(this, &ColorPicker::_hsv_draw), make_binds(0, uv_edit));
w_edit = memnew(Control);
hb_edit->add_child(w_edit);
w_edit->set_custom_minimum_size(Size2(get_theme_constant("h_width"), 0));
w_edit->set_h_size_flags(SIZE_FILL);
w_edit->set_v_size_flags(SIZE_EXPAND_FILL);
w_edit->connect("gui_input", callable_mp(this, &ColorPicker::_w_input));
w_edit->connect("draw", callable_mp(this, &ColorPicker::_hsv_draw), make_binds(1, w_edit));
HBoxContainer *hb_smpl = memnew(HBoxContainer);
add_child(hb_smpl);
sample = memnew(TextureRect);
hb_smpl->add_child(sample);
sample->set_h_size_flags(SIZE_EXPAND_FILL);
sample->connect("draw", callable_mp(this, &ColorPicker::_sample_draw));
btn_pick = memnew(Button);
btn_pick->set_flat(true);
hb_smpl->add_child(btn_pick);
btn_pick->set_toggle_mode(true);
btn_pick->set_tooltip(TTR("Pick a color from the editor window."));
btn_pick->connect("pressed", callable_mp(this, &ColorPicker::_screen_pick_pressed));
VBoxContainer *vbl = memnew(VBoxContainer);
add_child(vbl);
add_child(memnew(HSeparator));
VBoxContainer *vbr = memnew(VBoxContainer);
add_child(vbr);
vbr->set_h_size_flags(SIZE_EXPAND_FILL);
for (int i = 0; i < 4; i++) {
HBoxContainer *hbc = memnew(HBoxContainer);
labels[i] = memnew(Label());
labels[i]->set_custom_minimum_size(Size2(get_theme_constant("label_width"), 0));
labels[i]->set_v_size_flags(SIZE_SHRINK_CENTER);
hbc->add_child(labels[i]);
scroll[i] = memnew(HSlider);
scroll[i]->set_v_size_flags(SIZE_SHRINK_CENTER);
scroll[i]->set_focus_mode(FOCUS_NONE);
hbc->add_child(scroll[i]);
values[i] = memnew(SpinBox);
scroll[i]->share(values[i]);
hbc->add_child(values[i]);
values[i]->get_line_edit()->connect("focus_entered", callable_mp(this, &ColorPicker::_focus_enter));
values[i]->get_line_edit()->connect("focus_exited", callable_mp(this, &ColorPicker::_focus_exit));
scroll[i]->set_min(0);
scroll[i]->set_page(0);
scroll[i]->set_h_size_flags(SIZE_EXPAND_FILL);
scroll[i]->connect("value_changed", callable_mp(this, &ColorPicker::_value_changed));
vbr->add_child(hbc);
}
labels[3]->set_text("A");
HBoxContainer *hhb = memnew(HBoxContainer);
vbr->add_child(hhb);
btn_hsv = memnew(CheckButton);
hhb->add_child(btn_hsv);
btn_hsv->set_text(TTR("HSV"));
btn_hsv->connect("toggled", callable_mp(this, &ColorPicker::set_hsv_mode));
btn_raw = memnew(CheckButton);
hhb->add_child(btn_raw);
btn_raw->set_text(TTR("Raw"));
btn_raw->connect("toggled", callable_mp(this, &ColorPicker::set_raw_mode));
text_type = memnew(Button);
hhb->add_child(text_type);
text_type->set_text("#");
text_type->set_tooltip(TTR("Switch between hexadecimal and code values."));
if (Engine::get_singleton()->is_editor_hint()) {
#ifdef TOOLS_ENABLED
text_type->set_custom_minimum_size(Size2(28 * EDSCALE, 0)); // Adjust for the width of the "Script" icon.
#endif
text_type->connect("pressed", callable_mp(this, &ColorPicker::_text_type_toggled));
} else {
text_type->set_flat(true);
text_type->set_mouse_filter(MOUSE_FILTER_IGNORE);
}
c_text = memnew(LineEdit);
hhb->add_child(c_text);
c_text->set_h_size_flags(SIZE_EXPAND_FILL);
c_text->connect("text_entered", callable_mp(this, &ColorPicker::_html_entered));
c_text->connect("focus_entered", callable_mp(this, &ColorPicker::_focus_enter));
c_text->connect("focus_exited", callable_mp(this, &ColorPicker::_html_focus_exit));
_update_controls();
updating = false;
set_pick_color(Color(1, 1, 1));
preset_separator = memnew(HSeparator);
add_child(preset_separator);
preset_container = memnew(HBoxContainer);
preset_container->set_h_size_flags(SIZE_EXPAND_FILL);
add_child(preset_container);
preset = memnew(TextureRect);
preset_container->add_child(preset);
preset->connect("gui_input", callable_mp(this, &ColorPicker::_preset_input));
preset->connect("draw", callable_mp(this, &ColorPicker::_update_presets));
preset_container2 = memnew(HBoxContainer);
preset_container2->set_h_size_flags(SIZE_EXPAND_FILL);
add_child(preset_container2);
bt_add_preset = memnew(Button);
preset_container2->add_child(bt_add_preset);
bt_add_preset->set_tooltip(TTR("Add current color as a preset."));
bt_add_preset->connect("pressed", callable_mp(this, &ColorPicker::_add_preset_pressed));
}
/////////////////
void ColorPickerButton::_color_changed(const Color &p_color) {
color = p_color;
update();
emit_signal("color_changed", color);
}
void ColorPickerButton::_modal_closed() {
emit_signal("popup_closed");
set_pressed(false);
}
void ColorPickerButton::pressed() {
_update_picker();
popup->set_as_minsize();
Rect2i usable_rect = popup->get_usable_parent_rect();
//let's try different positions to see which one we can use
Rect2i cp_rect(Point2i(), popup->get_size());
for (int i = 0; i < 4; i++) {
if (i > 1) {
cp_rect.position.y = get_screen_position().y - cp_rect.size.y;
} else {
cp_rect.position.y = get_screen_position().y + get_size().height;
}
if (i & 1) {
cp_rect.position.x = get_screen_position().x;
} else {
cp_rect.position.x = get_screen_position().x - MAX(0, (cp_rect.size.x - get_size().x));
}
if (usable_rect.encloses(cp_rect)) {
break;
}
}
popup->set_position(cp_rect.position);
popup->popup();
picker->set_focus_on_line_edit();
}
void ColorPickerButton::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_DRAW: {
const Ref<StyleBox> normal = get_theme_stylebox("normal");
const Rect2 r = Rect2(normal->get_offset(), get_size() - normal->get_minimum_size());
draw_texture_rect(Control::get_theme_icon("bg", "ColorPickerButton"), r, true);
draw_rect(r, color);
if (color.r > 1 || color.g > 1 || color.b > 1) {
// Draw an indicator to denote that the color is "overbright" and can't be displayed accurately in the preview
draw_texture(Control::get_theme_icon("overbright_indicator", "ColorPicker"), normal->get_offset());
}
} break;
case NOTIFICATION_WM_CLOSE_REQUEST: {
if (popup) {
popup->hide();
}
} break;
}
if (p_what == NOTIFICATION_VISIBILITY_CHANGED) {
if (popup && !is_visible_in_tree()) {
popup->hide();
}
}
}
void ColorPickerButton::set_pick_color(const Color &p_color) {
color = p_color;
if (picker) {
picker->set_pick_color(p_color);
}
update();
}
Color ColorPickerButton::get_pick_color() const {
return color;
}
void ColorPickerButton::set_edit_alpha(bool p_show) {
edit_alpha = p_show;
if (picker) {
picker->set_edit_alpha(p_show);
}
}
bool ColorPickerButton::is_editing_alpha() const {
return edit_alpha;
}
ColorPicker *ColorPickerButton::get_picker() {
_update_picker();
return picker;
}
PopupPanel *ColorPickerButton::get_popup() {
_update_picker();
return popup;
}
void ColorPickerButton::_update_picker() {
if (!picker) {
popup = memnew(PopupPanel);
popup->set_wrap_controls(true);
picker = memnew(ColorPicker);
picker->set_anchors_and_margins_preset(PRESET_WIDE);
popup->add_child(picker);
add_child(popup);
picker->connect("color_changed", callable_mp(this, &ColorPickerButton::_color_changed));
popup->connect("about_to_popup", callable_mp((BaseButton *)this, &BaseButton::set_pressed), varray(true));
popup->connect("popup_hide", callable_mp(this, &ColorPickerButton::_modal_closed));
picker->set_pick_color(color);
picker->set_edit_alpha(edit_alpha);
emit_signal("picker_created");
}
}
void ColorPickerButton::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_pick_color", "color"), &ColorPickerButton::set_pick_color);
ClassDB::bind_method(D_METHOD("get_pick_color"), &ColorPickerButton::get_pick_color);
ClassDB::bind_method(D_METHOD("get_picker"), &ColorPickerButton::get_picker);
ClassDB::bind_method(D_METHOD("get_popup"), &ColorPickerButton::get_popup);
ClassDB::bind_method(D_METHOD("set_edit_alpha", "show"), &ColorPickerButton::set_edit_alpha);
ClassDB::bind_method(D_METHOD("is_editing_alpha"), &ColorPickerButton::is_editing_alpha);
ADD_SIGNAL(MethodInfo("color_changed", PropertyInfo(Variant::COLOR, "color")));
ADD_SIGNAL(MethodInfo("popup_closed"));
ADD_SIGNAL(MethodInfo("picker_created"));
ADD_PROPERTY(PropertyInfo(Variant::COLOR, "color"), "set_pick_color", "get_pick_color");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "edit_alpha"), "set_edit_alpha", "is_editing_alpha");
}
ColorPickerButton::ColorPickerButton() {
// Initialization is now done deferred,
// this improves performance in the inspector as the color picker
// can be expensive to initialize.
picker = nullptr;
popup = nullptr;
edit_alpha = true;
set_toggle_mode(true);
}