ewol/ewol/widget/List.cpp

250 lines
7.0 KiB
C++

/**
* @author Edouard DUPIN
*
* @copyright 2011, Edouard DUPIN, all right reserved
*
* @license APACHE v2.0 (see license file)
*/
#include <ewol/widget/List.h>
#include <ewol/compositing/Drawing.h>
#include <ewol/compositing/Text.h>
#include <ewol/widget/Manager.h>
#undef __class__
#define __class__ "List"
ewol::widget::List::List() {
addObjectType("ewol::widget::List");
m_paddingSizeX = 2;
#ifdef __TARGET_OS__Android
m_paddingSizeY = 10;
#else
m_paddingSizeY = 2;
#endif
m_nbVisibleRaw = 0;
propertyCanFocus.setDirectCheck(true);
}
ewol::widget::List::~List() {
//clean all the object
for (size_t iii=0; iii<m_listOObject.size(); iii++) {
delete(m_listOObject[iii]);
m_listOObject[iii] = nullptr;
}
m_listOObject.clear();
}
void ewol::widget::List::setRawVisible(int32_t _id) {
EWOL_DEBUG("Set Raw visible : " << _id);
if (_id<0) {
return;
}
if (_id == m_displayStartRaw) {
// nothing to do ...
return;
}
if (_id < m_displayStartRaw) {
m_displayStartRaw = _id-2;
} else {
if (m_displayStartRaw + m_nbVisibleRaw < _id) {
m_displayStartRaw = _id - m_nbVisibleRaw + 2;
}
}
if (m_displayStartRaw > (int32_t)getNuberOfRaw()) {
m_displayStartRaw = getNuberOfRaw()-2;
}
if (m_displayStartRaw<0) {
m_displayStartRaw = 0;
}
EWOL_DEBUG("Set start raw : " << m_displayStartRaw);
markToRedraw();
}
void ewol::widget::List::calculateMinMaxSize() {
/*int32_t fontId = getDefaultFontId();
int32_t minWidth = ewol::getWidth(fontId, m_label);
int32_t minHeight = ewol::getHeight(fontId);
m_minSize.x = 3+minWidth;
m_minSize.y = 3+minHeight;
*/
m_minSize.setValue(200, 150);
}
void ewol::widget::List::addOObject(ewol::Compositing* _newObject, int32_t _pos) {
if (nullptr == _newObject) {
EWOL_ERROR("Try to add an empty object in the Widget generic display system");
return;
}
if (_pos < 0 || (size_t)_pos >= m_listOObject.size() ) {
m_listOObject.push_back(_newObject);
} else {
m_listOObject.insert(m_listOObject.begin()+_pos, _newObject);
}
}
void ewol::widget::List::clearOObjectList() {
for (size_t iii=0; iii<m_listOObject.size(); iii++) {
delete(m_listOObject[iii]);
m_listOObject[iii] = nullptr;
}
m_listOObject.clear();
}
void ewol::widget::List::onDraw() {
for (size_t iii=0; iii<m_listOObject.size(); iii++) {
if (nullptr != m_listOObject[iii]) {
m_listOObject[iii]->draw();
}
}
WidgetScrolled::onDraw();
}
void ewol::widget::List::onRegenerateDisplay() {
if (true == needRedraw()) {
// clean the object list ...
clearOObjectList();
//EWOL_DEBUG("OnRegenerateDisplay(" << m_size.x << "," << m_size.y << ")");
int32_t tmpOriginX = 0;
int32_t tmpOriginY = 0;
/*
if (true == m_userFill.x) {
tmpOriginX = 0;
}
if (true == m_userFill.y) {
tmpOriginY = 0;
}*/
tmpOriginX += m_paddingSizeX;
tmpOriginY += m_paddingSizeY;
// TODO : remove this ...
int32_t minHeight = 25;
uint32_t nbColomn = getNuberOfColomn();
int32_t nbRaw = getNuberOfRaw();
// For the scrooling windows
m_maxSize = ivec2(m_size.x(),
(minHeight + 2*m_paddingSizeY) * nbRaw );
std::vector<int32_t> listSizeColomn;
ewol::compositing::Drawing * BGOObjects = new ewol::compositing::Drawing();
etk::Color<> basicBG = getBasicBG();
BGOObjects->setColor(basicBG);
BGOObjects->setPos(vec3(0, 0, 0) );
BGOObjects->rectangleWidth(vec3(m_size.x(), m_size.y(), 0) );
int32_t startRaw = m_originScrooled.y() / (minHeight + 2*m_paddingSizeY);
if (startRaw >= nbRaw-1 ) {
startRaw = nbRaw - 1;
}
if (startRaw<0) {
startRaw = 0;
}
// We display only compleate lines ...
//EWOL_DEBUG("Request drawing list : " << startRaw << "-->" << (startRaw+displayableRaw) << " in " << nbRaw << "raws ; start display : " << m_originScrooled.y << " == > " << tmpOriginY << " line size=" << minHeight + 2*m_paddingSizeY );
/*clipping_ts drawClipping;
drawClipping.x = 0;
drawClipping.y = 0;
drawClipping.w = m_size.x - (2*m_paddingSizeX);
drawClipping.h = m_size.y;
*/
// remove all the positions :
m_lineSize.clear();
int32_t displayPositionY = m_size.y();
int32_t displayPositionX = 0;
ivec2 tmpRegister(startRaw, displayPositionY);
// add the default position raw :
m_lineSize.push_back(tmpRegister);
for (size_t jjj=0; jjj<nbColomn && displayPositionX < m_size.x() ; jjj++) {
int32_t sizeColom = 0;
displayPositionY = m_size.y();
m_nbVisibleRaw = 0;
for (int32_t iii=startRaw; iii<nbRaw && displayPositionY >= 0; iii++) {
m_nbVisibleRaw++;
std::string myTextToWrite;
etk::Color<> fg;
etk::Color<> bg;
getElement(jjj, iii, myTextToWrite, fg, bg);
ewol::compositing::Text * tmpText = new ewol::compositing::Text();
if (nullptr != tmpText) {
// get font size :
int32_t tmpFontHeight = tmpText->calculateSize(char32_t('A')).y();
displayPositionY-=(tmpFontHeight+m_paddingSizeY);
BGOObjects->setColor(bg);
BGOObjects->setPos(vec3(displayPositionX, displayPositionY, 0) );
BGOObjects->rectangleWidth(vec3(m_size.x()-displayPositionX, tmpFontHeight+2*m_paddingSizeY, 0));
// get the maximum size of the colomn :
vec3 textSize = tmpText->calculateSize(myTextToWrite);
sizeColom = std::max(sizeColom, (int32_t)textSize.x());
tmpText->setColor(fg);
tmpText->setPos(vec3(tmpOriginX + displayPositionX, displayPositionY, 0) );
tmpText->print(myTextToWrite);
addOObject(tmpText);
// madding move ...
displayPositionY -= m_paddingSizeY;
// add the raw position to remember it ...
tmpRegister.setX(tmpRegister.x()+1);
tmpRegister.setY(displayPositionY);
m_lineSize.push_back(tmpRegister);
//EWOL_DEBUG("List indexation:" << tmpRegister);
}
}
displayPositionX += sizeColom;
tmpOriginX += m_paddingSizeX*2*2;
}
//m_lineSize.push_back(tmpOriginY);
addOObject(BGOObjects, 0);
// call the herited class...
WidgetScrolled::onRegenerateDisplay();
}
}
bool ewol::widget::List::onEventInput(const ewol::event::Input& _event) {
vec2 relativePos = relativePosition(_event.getPos());
if (true == WidgetScrolled::onEventInput(_event)) {
keepFocus();
// nothing to do ... done on upper widet ...
return true;
}
// parse all the loged row position to find the good one...
int32_t rawID = -1;
for (size_t iii=0; iii<m_lineSize.size()-1; iii++) {
if( relativePos.y()<m_lineSize[iii].y()
&& relativePos.y() >= m_lineSize[iii+1].y() ) {
// we find the raw :
rawID = m_lineSize[iii].x();
break;
}
}
//EWOL_DEBUG("List event : idInput=" << IdInput << " typeEvent=" << typeEvent << " raw=" << rawID << " pos=" << pos << "");
bool isUsed = onItemEvent(_event.getId(), _event.getStatus(), 0, rawID, _event.getPos().x(), _event.getPos().y());
if (true == isUsed) {
// TODO : this generate bugs ... I did not understand why ..
//std::shared_ptr<ewol::Widget>Manager::focusKeep(this);
}
return isUsed;
}
void ewol::widget::List::onGetFocus() {
EWOL_DEBUG("Ewol::List get focus");
}
void ewol::widget::List::onLostFocus() {
EWOL_DEBUG("Ewol::List Lost focus");
}