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virtualx-engine/scene/gui/color_picker.cpp
Juan Linietsky 118eed485e ObjectTypeDB was renamed to ClassDB. Types are meant to be more generic to Variant. 
All usages of "type" to refer to classes were renamed to "class"
ClassDB has been exposed to GDScript.
OBJ_TYPE() macro is now GDCLASS()
2017-01-02 23:03:46 -03:00

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/*************************************************************************/
/* color_picker.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* */
/* 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 "scene/gui/separator.h"
#include "scene/main/viewport.h"
#include "os/os.h"
#include "os/input.h"
#include "os/keyboard.h"
void ColorPicker::_notification(int p_what) {
switch(p_what) {
case NOTIFICATION_THEME_CHANGED: {
uv_edit->set_texture(get_icon("color_main"));
w_edit->set_texture(get_icon("color_hue"));
sample->set_texture(get_icon("color_sample"));
_update_controls();
} break;
case NOTIFICATION_ENTER_TREE: {
btn_pick->set_icon(get_icon("screen_picker", "ColorPicker"));
uv_edit->get_child(0)->cast_to<Control>()->update();
w_edit->get_child(0)->cast_to<Control>()->update();
_update_color();
}
}
}
void ColorPicker::set_focus_on_line_edit() {
c_text->grab_focus();
c_text->select();
}
void ColorPicker::_update_controls() {
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_color(const Color& p_color) {
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;
uv_edit->get_child(0)->cast_to<Control>()->update();
w_edit->get_child(0)->cast_to<Control>()->update();
_update_color();
}
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;
for(int i=0;i<4;i++) {
color.components[i] = scroll[i]->get_val()/(raw_mode_enabled?1.0:255.0);
}
set_color(color);
_update_text_value();
emit_signal("color_changed",color);
}
void ColorPicker::_html_entered(const String& p_html) {
if (updating)
return;
color = Color::html(p_html);
if (!is_inside_tree())
return;
set_color(color);
emit_signal("color_changed",color);
}
void ColorPicker::_update_color() {
updating=true;
for(int i=0;i<4;i++) {
scroll[i]->set_max(255);
scroll[i]->set_step(0.01);
if (raw_mode_enabled) {
if (i == 3)
scroll[i]->set_max(1);
scroll[i]->set_val(color.components[i]);
} else {
scroll[i]->set_val(color.components[i] * 255);
}
}
_update_text_value();
sample->update();
updating=false;
}
void ColorPicker::_update_presets()
{
Size2 size=bt_add_preset->get_size();
preset->set_custom_minimum_size(Size2(size.width*presets.size(),size.height));
DVector<uint8_t> img;
img.resize(size.x*presets.size()*size.y*3);
{
DVector<uint8_t>::Write w=img.write();
for (int y=0;y<size.y;y++) {
for (int x=0;x<size.x*presets.size();x++) {
int ofs = (y*(size.x*presets.size())+x)*3;
w[ofs+0]=uint8_t(CLAMP(presets[(int)x/size.x].r*255.0,0,255));
w[ofs+1]=uint8_t(CLAMP(presets[(int)x/size.x].g*255.0,0,255));
w[ofs+2]=uint8_t(CLAMP(presets[(int)x/size.x].b*255.0,0,255));
}
}
}
Image i(size.x*presets.size(),size.y, false, Image::FORMAT_RGB8,img);
Ref<ImageTexture> t;
t.instance();
t->create_from_image(i);
preset->set_texture(t);
}
void ColorPicker::_text_type_toggled()
{
if (!get_tree()->is_editor_hint())
return;
text_is_constructor = !text_is_constructor;
if (text_is_constructor) {
text_type->set_text("");
text_type->set_icon(get_icon("Script", "EditorIcons"));
} else {
text_type->set_text("#");
text_type->set_icon(NULL);
}
_update_color();
}
Color ColorPicker::get_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);
}
_update_presets();
if (presets.size()==10)
bt_add_preset->hide();
}
void ColorPicker::set_raw_mode(bool p_enabled) {
if (raw_mode_enabled==p_enabled)
return;
raw_mode_enabled=p_enabled;
if (btn_mode->is_pressed()!=p_enabled)
btn_mode->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::_update_text_value() {
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);
} else {
c_text->set_text(color.to_html(edit_alpha && color.a<1));
}
}
void ColorPicker::_sample_draw() {
sample->draw_rect(Rect2(Point2(),Size2(256,20)),color);
}
void ColorPicker::_hsv_draw(int p_wich,Control* c)
{
if (!c)
return;
if (p_wich==0) {
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);
Color 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_wich==1) {
int y=c->get_size().y-c->get_size().y*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 InputEvent &ev) {
if (ev.type == InputEvent::MOUSE_BUTTON) {
const InputEventMouseButton &bev = ev.mouse_button;
if (bev.pressed && bev.button_index==BUTTON_LEFT) {
changing_color = true;
float x = CLAMP((float)bev.x,0,256);
float y = CLAMP((float)bev.y,0,256);
s=x/256;
v=1.0-y/256.0;
color.set_hsv(h,s,v,color.a);
last_hsv = color;
set_color(color);
_update_color();
emit_signal("color_changed", color);
} else {
changing_color = false;
}
} else if (ev.type == InputEvent::MOUSE_MOTION) {
const InputEventMouse &bev = ev.mouse_motion;
if (!changing_color)
return;
float x = CLAMP((float)bev.x,0,256);
float y = CLAMP((float)bev.y,0,256);
s=x/256;
v=1.0-y/256.0;
color.set_hsv(h,s,v,color.a);
last_hsv = color;
set_color(color);
_update_color();
emit_signal("color_changed", color);
}
}
void ColorPicker::_w_input(const InputEvent &ev) {
if (ev.type == InputEvent::MOUSE_BUTTON) {
const InputEventMouseButton &bev = ev.mouse_button;
if (bev.pressed && bev.button_index==BUTTON_LEFT) {
changing_color = true;
h=1-((float)bev.y)/256.0;
} else {
changing_color = false;
}
color.set_hsv(h,s,v,color.a);
last_hsv = color;
set_color(color);
_update_color();
emit_signal("color_changed", color);
} else if (ev.type == InputEvent::MOUSE_MOTION) {
const InputEventMouse &bev = ev.mouse_motion;
if (!changing_color)
return;
float y = CLAMP((float)bev.y,0,256);
h=1.0-y/256.0;
color.set_hsv(h,s,v,color.a);
last_hsv = color;
set_color(color);
_update_color();
emit_signal("color_changed", color);
}
}
void ColorPicker::_preset_input(const InputEvent &ev) {
if (ev.type == InputEvent::MOUSE_BUTTON) {
const InputEventMouseButton &bev = ev.mouse_button;
if (bev.pressed && bev.button_index==BUTTON_LEFT) {
int index = bev.x/(preset->get_size().x/presets.size());
set_color(presets[index]);
} else if (bev.pressed && bev.button_index==BUTTON_RIGHT) {
int index = bev.x/(preset->get_size().x/presets.size());
presets.erase(presets[index]);
_update_presets();
bt_add_preset->show();
}
_update_color();
emit_signal("color_changed", color);
} else if (ev.type == InputEvent::MOUSE_MOTION) {
const InputEventMouse &mev = ev.mouse_motion;
int index = mev.x * presets.size();
if( preset->get_size().x != 0 ) {
index /= preset->get_size().x;
}
if (index<0 || index >= presets.size())
return;
preset->set_tooltip("Color: #"+presets[index].to_html(presets[index].a<1)+"\n"
"LMB: Set color\n"
"RMB: Remove preset");
}
}
void ColorPicker::_screen_input(const InputEvent &ev)
{
if (ev.type==InputEvent::MOUSE_BUTTON) {
const InputEventMouseButton &bev = ev.mouse_button;
if (bev.button_index==BUTTON_LEFT&&!bev.pressed) {
emit_signal("color_changed", color);
screen->hide();
}
} else if (ev.type==InputEvent::MOUSE_MOTION) {
const InputEventMouse &mev = ev.mouse_motion;
Viewport *r=get_tree()->get_root();
if (!r->get_visible_rect().has_point(Point2(mev.global_x,mev.global_y)))
return;
Image img =r->get_screen_capture();
if (!img.empty()) {
last_capture=img;
r->queue_screen_capture();
}
if (!last_capture.empty()) {
int pw = last_capture.get_format()==Image::FORMAT_RGBA8?4:3;
int ofs = (mev.global_y*last_capture.get_width()+mev.global_x)*pw;
DVector<uint8_t>::Read r = last_capture.get_data().read();
Color c( r[ofs+0]/255.0, r[ofs+1]/255.0, r[ofs+2]/255.0 );
set_color(c);
}
}
}
void ColorPicker::_add_preset_pressed() {
add_preset(color);
}
void ColorPicker::_screen_pick_pressed()
{
Viewport *r=get_tree()->get_root();
if (!screen) {
screen=memnew( Control );
r->add_child(screen);
screen->set_as_toplevel(true);
screen->set_area_as_parent_rect();
screen->connect("input_event",this,"_screen_input");
}
screen->raise();
screen->show_modal();
r->queue_screen_capture();
}
void ColorPicker::_bind_methods() {
ClassDB::bind_method(_MD("set_color","color"),&ColorPicker::set_color);
ClassDB::bind_method(_MD("get_color"),&ColorPicker::get_color);
ClassDB::bind_method(_MD("set_raw_mode","mode"),&ColorPicker::set_raw_mode);
ClassDB::bind_method(_MD("is_raw_mode"),&ColorPicker::is_raw_mode);
ClassDB::bind_method(_MD("set_edit_alpha","show"),&ColorPicker::set_edit_alpha);
ClassDB::bind_method(_MD("is_editing_alpha"),&ColorPicker::is_editing_alpha);
ClassDB::bind_method(_MD("add_preset"), &ColorPicker::add_preset);
ClassDB::bind_method(_MD("_value_changed"),&ColorPicker::_value_changed);
ClassDB::bind_method(_MD("_html_entered"),&ColorPicker::_html_entered);
ClassDB::bind_method(_MD("_text_type_toggled"),&ColorPicker::_text_type_toggled);
ClassDB::bind_method(_MD("_add_preset_pressed"), &ColorPicker::_add_preset_pressed);
ClassDB::bind_method(_MD("_screen_pick_pressed"), &ColorPicker::_screen_pick_pressed);
ClassDB::bind_method(_MD("_sample_draw"),&ColorPicker::_sample_draw);
ClassDB::bind_method(_MD("_hsv_draw"),&ColorPicker::_hsv_draw);
ClassDB::bind_method(_MD("_uv_input"),&ColorPicker::_uv_input);
ClassDB::bind_method(_MD("_w_input"),&ColorPicker::_w_input);
ClassDB::bind_method(_MD("_preset_input"),&ColorPicker::_preset_input);
ClassDB::bind_method(_MD("_screen_input"),&ColorPicker::_screen_input);
ADD_SIGNAL( MethodInfo("color_changed",PropertyInfo(Variant::COLOR,"color")));
}
ColorPicker::ColorPicker() :
BoxContainer(true) {
updating=true;
edit_alpha=true;
text_is_constructor = false;
raw_mode_enabled=false;
changing_color=false;
screen=NULL;
HBoxContainer *hb_smpl = memnew( HBoxContainer );
btn_pick = memnew( ToolButton );
btn_pick->connect("pressed",this,"_screen_pick_pressed");
sample = memnew( TextureFrame );
sample->set_h_size_flags(SIZE_EXPAND_FILL);
sample->connect("draw",this,"_sample_draw");
hb_smpl->add_child(sample);
hb_smpl->add_child(btn_pick);
add_child(hb_smpl);
HBoxContainer *hb_edit = memnew( HBoxContainer );
uv_edit= memnew ( TextureFrame );
uv_edit->set_ignore_mouse(false);
uv_edit->connect("input_event", this, "_uv_input");
Control *c= memnew( Control );
uv_edit->add_child(c);
c->set_area_as_parent_rect();
c->set_stop_mouse(false);
Vector<Variant> args=Vector<Variant>();
args.push_back(0);
args.push_back(c);
c->connect("draw",this,"_hsv_draw",args);
add_child(hb_edit);
w_edit= memnew( TextureFrame );
w_edit->set_ignore_mouse(false);
w_edit->connect("input_event", this, "_w_input");
c= memnew( Control );
w_edit->add_child(c);
c->set_area_as_parent_rect();
c->set_stop_mouse(false);
args.clear();
args.push_back(1);
args.push_back(c);
c->connect("draw",this,"_hsv_draw",args);
hb_edit->add_child(uv_edit);
hb_edit->add_child(memnew( VSeparator ));
hb_edit->add_child(w_edit);
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);
const char* lt[4] = {"R","G","B","A"};
for(int i=0;i<4;i++) {
HBoxContainer *hbc = memnew( HBoxContainer );
labels[i]=memnew( Label(lt[i]) );
hbc->add_child(labels[i]);
scroll[i]=memnew( HSlider );
hbc->add_child(scroll[i]);
values[i]=memnew( SpinBox );
scroll[i]->share(values[i]);
hbc->add_child(values[i]);
scroll[i]->set_min(0);
scroll[i]->set_page(0);
scroll[i]->set_h_size_flags(SIZE_EXPAND_FILL);
scroll[i]->connect("value_changed",this,"_value_changed");
vbr->add_child(hbc);
}
HBoxContainer *hhb = memnew( HBoxContainer );
btn_mode = memnew( CheckButton );
btn_mode->set_text("RAW Mode");
btn_mode->connect("toggled", this, "set_raw_mode");
hhb->add_child(btn_mode);
vbr->add_child(hhb);
text_type = memnew( Button );
text_type->set_flat(true);
text_type->connect("pressed", this, "_text_type_toggled");
hhb->add_child(text_type);
c_text = memnew( LineEdit );
hhb->add_child(c_text);
c_text->connect("text_entered",this,"_html_entered");
text_type->set_text("#");
c_text->set_h_size_flags(SIZE_EXPAND_FILL);
_update_controls();
//_update_color();
updating=false;
set_color(Color(1,1,1));
HBoxContainer *bbc = memnew( HBoxContainer );
add_child(bbc);
preset = memnew( TextureFrame );
bbc->add_child(preset);
preset->set_ignore_mouse(false);
preset->connect("input_event", this, "_preset_input");
bt_add_preset = memnew ( Button );
bt_add_preset->set_icon(get_icon("add_preset"));
bt_add_preset->set_tooltip("Add current color as a preset");
bt_add_preset->connect("pressed", this, "_add_preset_pressed");
bbc->add_child(bt_add_preset);
}
/////////////////
void ColorPickerButton::_color_changed(const Color& p_color) {
update();
emit_signal("color_changed",p_color);
}
void ColorPickerButton::pressed() {
Size2 ms = Size2(300, picker->get_combined_minimum_size().height+10);
popup->set_pos(get_global_pos()-Size2(0,ms.height));
popup->set_size(ms);
popup->popup();
picker->set_focus_on_line_edit();
}
void ColorPickerButton::_notification(int p_what) {
if (p_what==NOTIFICATION_DRAW) {
Ref<StyleBox> normal = get_stylebox("normal" );
draw_rect(Rect2(normal->get_offset(),get_size()-normal->get_minimum_size()),picker->get_color());
}
}
void ColorPickerButton::set_color(const Color& p_color){
picker->set_color(p_color);
update();
emit_signal("color_changed",p_color);
}
Color ColorPickerButton::get_color() const{
return picker->get_color();
}
void ColorPickerButton::set_edit_alpha(bool p_show) {
picker->set_edit_alpha(p_show);
}
bool ColorPickerButton::is_editing_alpha() const{
return picker->is_editing_alpha();
}
ColorPicker *ColorPickerButton::get_picker() {
return picker;
}
void ColorPickerButton::_bind_methods(){
ClassDB::bind_method(_MD("set_color","color"),&ColorPickerButton::set_color);
ClassDB::bind_method(_MD("get_color"),&ColorPickerButton::get_color);
ClassDB::bind_method(_MD("get_picker:ColorPicker"),&ColorPickerButton::get_picker);
ClassDB::bind_method(_MD("set_edit_alpha","show"),&ColorPickerButton::set_edit_alpha);
ClassDB::bind_method(_MD("is_editing_alpha"),&ColorPickerButton::is_editing_alpha);
ClassDB::bind_method(_MD("_color_changed"),&ColorPickerButton::_color_changed);
ADD_SIGNAL( MethodInfo("color_changed",PropertyInfo(Variant::COLOR,"color")));
ADD_PROPERTY( PropertyInfo(Variant::COLOR,"color"),_SCS("set_color"),_SCS("get_color") );
ADD_PROPERTY( PropertyInfo(Variant::BOOL,"edit_alpha"),_SCS("set_edit_alpha"),_SCS("is_editing_alpha") );
}
ColorPickerButton::ColorPickerButton() {
popup = memnew( PopupPanel );
picker = memnew( ColorPicker );
popup->add_child(picker);
popup->set_child_rect(picker);
picker->connect("color_changed",this,"_color_changed");
add_child(popup);
}
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