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godot/scene/gui/color_picker.cpp
Juan Linietsky 1e4841dc52 drag & drop demo (GUI)
2015-03-22 12:52:47 -03:00

397 lines
9.5 KiB
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/*************************************************************************/
/* color_picker.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2014 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"
void ColorPicker::_notification(int p_what) {
switch(p_what) {
case NOTIFICATION_THEME_CHANGED: {
_update_controls();
} break;
/* case NOTIFICATION_DRAW: {
int w = get_constant("color_width");
int h = ms.height;
VisualServer::get_singleton()->canvas_item_add_rect(get_canvas_item(),Rect2(0,0,w,h),color);
} break;*/
}
}
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;
_update_color();
}
void ColorPicker::set_edit_alpha(bool p_show) {
edit_alpha=p_show;
_update_controls();
_update_color();
color_box->update();
}
bool ColorPicker::is_editing_alpha() const {
return edit_alpha;
}
void ColorPicker::_value_changed(double) {
if (updating)
return;
switch(mode) {
case MODE_RGB: {
for(int i=0;i<4;i++) {
color.components[i] = scroll[i]->get_val() / 255.0;
}
} break;
case MODE_HSV: {
color.set_hsv( CLAMP(scroll[0]->get_val()/359,0,0.9972), scroll[1]->get_val()/100, scroll[2]->get_val()/100 );
color.a=scroll[3]->get_val()/100.0;
} break;
case MODE_RAW: {
for(int i=0;i<4;i++) {
color.components[i] = scroll[i]->get_val();
}
} break;
}
html->set_text(color.to_html(edit_alpha && color.a<1));
color_box->update();
emit_signal("color_changed",color);
}
void ColorPicker::_html_entered(const String& p_html) {
if (updating)
return;
color = Color::html(p_html);
_update_color();
emit_signal("color_changed",color);
}
void ColorPicker::_update_color() {
updating=true;
switch(mode) {
case MODE_RAW: {
static const char*_lt[4]={"R","G","B","A"};
for(int i=0;i<4;i++) {
scroll[i]->set_max(255);
scroll[i]->set_step(0.01);
scroll[i]->set_val(color.components[i]);
labels[i]->set_text(_lt[i]);
}
} break;
case MODE_RGB: {
static const char*_lt[4]={"R","G","B","A"};
for(int i=0;i<4;i++) {
scroll[i]->set_max(255);
scroll[i]->set_step(1);
scroll[i]->set_val(color.components[i]*255);
labels[i]->set_text(_lt[i]);
}
} break;
case MODE_HSV: {
static const char*_lt[4]={"H","S","V","A"};
for(int i=0;i<4;i++) {
labels[i]->set_text(_lt[i]);
}
scroll[0]->set_max(359);
scroll[0]->set_step(0.01);
scroll[0]->set_val( color.get_h()*359 );
scroll[1]->set_max(100);
scroll[1]->set_step(0.01);
scroll[1]->set_val( color.get_s()*100 );
scroll[2]->set_max(100);
scroll[2]->set_step(0.01);
scroll[2]->set_val( color.get_v()*100 );
scroll[3]->set_max(100);
scroll[3]->set_step(0.01);
scroll[3]->set_val( color.a*100);
} break;
}
html->set_text(color.to_html(edit_alpha && color.a<1));
color_box->update();
updating=false;
}
Color ColorPicker::get_color() const {
return color;
}
void ColorPicker::set_mode(Mode p_mode) {
ERR_FAIL_INDEX(p_mode,3);
mode=p_mode;
if (mode_box->get_selected()!=p_mode)
mode_box->select(p_mode);
_update_controls();
_update_color();
}
ColorPicker::Mode ColorPicker::get_mode() const {
return mode;
}
void ColorPicker::_color_box_draw() {
color_box->draw_rect( Rect2( Point2(), color_box->get_size()), color);
}
void ColorPicker::_bind_methods() {
ObjectTypeDB::bind_method(_MD("set_color","color"),&ColorPicker::set_color);
ObjectTypeDB::bind_method(_MD("get_color"),&ColorPicker::get_color);
ObjectTypeDB::bind_method(_MD("set_mode","mode"),&ColorPicker::set_mode);
ObjectTypeDB::bind_method(_MD("get_mode"),&ColorPicker::get_mode);
ObjectTypeDB::bind_method(_MD("set_edit_alpha","show"),&ColorPicker::set_edit_alpha);
ObjectTypeDB::bind_method(_MD("is_editing_alpha"),&ColorPicker::is_editing_alpha);
ObjectTypeDB::bind_method(_MD("_value_changed"),&ColorPicker::_value_changed);
ObjectTypeDB::bind_method(_MD("_html_entered"),&ColorPicker::_html_entered);
ObjectTypeDB::bind_method(_MD("_color_box_draw"),&ColorPicker::_color_box_draw);
ADD_SIGNAL( MethodInfo("color_changed",PropertyInfo(Variant::COLOR,"color")));
}
ColorPicker::ColorPicker() {
//edit_alpha=false;
updating=true;
edit_alpha=true;
VBoxContainer *vbl = memnew( VBoxContainer );
add_child(vbl);
mode_box = memnew( OptionButton );
mode_box->add_item("RGB");
mode_box->add_item("HSV");
mode_box->add_item("RAW");
mode_box->connect("item_selected",this,"set_mode");
color_box=memnew( Control );
color_box->set_v_size_flags(SIZE_EXPAND_FILL);
vbl->add_child(color_box);
color_box->connect("draw",this,"_color_box_draw");
vbl->add_child(mode_box);
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 );
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 );
vbr->add_child(hhb);
html_num = memnew( Label );
hhb->add_child(html_num);
html = memnew( LineEdit );
hhb->add_child(html);
html->connect("text_entered",this,"_html_entered");
html_num->set_text("#");
html->set_h_size_flags(SIZE_EXPAND_FILL);
mode=MODE_RGB;
_update_controls();
_update_color();
updating=false;
}
/////////////////
void ColorPickerButton::_color_changed(const Color& p_color) {
update();
emit_signal("color_changed",p_color);
}
void ColorPickerButton::pressed() {
Size2 ms = Size2(350, picker->get_combined_minimum_size().height+10);
popup->set_pos(get_global_pos()-Size2(0,ms.height));
popup->set_size(ms);
popup->popup();
}
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();
}
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();
}
void ColorPickerButton::_bind_methods(){
ObjectTypeDB::bind_method(_MD("set_color","color"),&ColorPickerButton::set_color);
ObjectTypeDB::bind_method(_MD("get_color"),&ColorPickerButton::get_color);
ObjectTypeDB::bind_method(_MD("set_edit_alpha","show"),&ColorPickerButton::set_edit_alpha);
ObjectTypeDB::bind_method(_MD("is_editing_alpha"),&ColorPickerButton::is_editing_alpha);
ObjectTypeDB::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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