129 lines
3.3 KiB
C++
129 lines
3.3 KiB
C++
/**
|
|
* @author Edouard DUPIN
|
|
*
|
|
* @copyright 2011, Edouard DUPIN, all right reserved
|
|
*
|
|
* @license APACHE v2.0 (see license file)
|
|
*/
|
|
|
|
#include <ewol/widget/Slider.h>
|
|
|
|
#include <ewol/widget/Manager.h>
|
|
|
|
#undef __class__
|
|
#define __class__ "Slider"
|
|
|
|
const int32_t dotRadius = 6;
|
|
|
|
ewol::widget::Slider::Slider() :
|
|
signalChange(*this, "change"),
|
|
m_value(*this, "value", 0.0f, "Value of the Slider"),
|
|
m_min(*this, "min", 0.0f, "Minium value"),
|
|
m_max(*this, "max", 10.0f, "Maximum value"),
|
|
m_step(*this, "step", 1.0f, "Step size") {
|
|
addObjectType("ewol::widget::Slider");
|
|
|
|
m_textColorFg = etk::color::black;
|
|
|
|
m_textColorBg = etk::color::black;
|
|
m_textColorBg.setA(0x3F);
|
|
setCanHaveFocus(true);
|
|
// Limit event at 1:
|
|
setMouseLimit(1);
|
|
}
|
|
|
|
void ewol::widget::Slider::init() {
|
|
ewol::Widget::init();
|
|
}
|
|
|
|
ewol::widget::Slider::~Slider() {
|
|
|
|
}
|
|
|
|
void ewol::widget::Slider::calculateMinMaxSize() {
|
|
vec2 minTmp = m_userMinSize->getPixel();
|
|
m_minSize.setValue(std::max(minTmp.x(), 40.0f),
|
|
std::max(minTmp.y(), dotRadius*2.0f) );
|
|
markToRedraw();
|
|
}
|
|
|
|
void ewol::widget::Slider::onDraw() {
|
|
m_draw.draw();
|
|
}
|
|
|
|
void ewol::widget::Slider::onRegenerateDisplay() {
|
|
if (needRedraw() == false) {
|
|
return;
|
|
}
|
|
// clean the object list ...
|
|
m_draw.clear();
|
|
m_draw.setColor(m_textColorFg);
|
|
// draw a line :
|
|
m_draw.setThickness(1);
|
|
m_draw.setPos(vec3(dotRadius, m_size.y()/2, 0) );
|
|
m_draw.lineTo(vec3(m_size.x()-dotRadius, m_size.y()/2, 0) );
|
|
m_draw.setThickness(0);
|
|
|
|
etk::Color<> borderDot = m_textColorFg;
|
|
borderDot.setA(borderDot.a()/2);
|
|
m_draw.setPos(vec3(4+((m_value-m_min)/(m_max-m_min))*(m_size.x()-2*dotRadius), m_size.y()/2, 0) );
|
|
m_draw.setColorBg(borderDot);
|
|
m_draw.circle(dotRadius);
|
|
m_draw.setColorBg(m_textColorFg);
|
|
m_draw.circle(dotRadius/1.6);
|
|
}
|
|
|
|
bool ewol::widget::Slider::onEventInput(const ewol::event::Input& _event) {
|
|
vec2 relativePos = relativePosition(_event.getPos());
|
|
//EWOL_DEBUG("Event on Slider ..." << _event);
|
|
if (1 == _event.getId()) {
|
|
if( gale::key::status_single == _event.getStatus()
|
|
|| gale::key::status_move == _event.getStatus()) {
|
|
// get the new position :
|
|
EWOL_VERBOSE("Event on Slider (" << relativePos.x() << "," << relativePos.y() << ")");
|
|
float oldValue = m_value.get();
|
|
updateValue(m_min + (float)(relativePos.x() - dotRadius) / (m_size.x()-2*dotRadius) * (m_max-m_min));
|
|
if (oldValue != m_value) {
|
|
EWOL_VERBOSE(" new value : " << m_value << " in [" << m_min << ".." << m_max << "]");
|
|
signalChange.emit(m_value);
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void ewol::widget::Slider::updateValue(float _newValue) {
|
|
_newValue = std::max(std::min(_newValue, m_max.get()), m_min.get());
|
|
if (m_step.get() == 0.0f) {
|
|
m_value = _newValue;
|
|
} else {
|
|
float basicVal = (int64_t)(_newValue / m_step.get());
|
|
m_value = basicVal * m_step.get();
|
|
}
|
|
markToRedraw();
|
|
}
|
|
|
|
// TODO : Review this really bad things ...
|
|
void ewol::widget::Slider::onPropertyChangeValue(const eproperty::Ref& _paramPointer) {
|
|
ewol::Widget::onPropertyChangeValue(_paramPointer);
|
|
if (_paramPointer == m_value) {
|
|
updateValue(m_value.get());
|
|
return;
|
|
}
|
|
if (_paramPointer == m_min) {
|
|
updateValue(m_value.get());
|
|
return;
|
|
}
|
|
if (_paramPointer == m_max) {
|
|
updateValue(m_value.get());
|
|
return;
|
|
}
|
|
if (_paramPointer == m_step) {
|
|
updateValue(m_value.get());
|
|
return;
|
|
}
|
|
}
|
|
|
|
|