add layer widget
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Sources/libewol/ewol/widget/Layer.cpp
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301
Sources/libewol/ewol/widget/Layer.cpp
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/**
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*******************************************************************************
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* @file ewol/widget/Layer.cpp
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* @brief ewol layer widget system (Sources)
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* @author Edouard DUPIN
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* @date 11/04/2012
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* @par Project
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* ewol
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*
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* @par Copyright
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* Copyright 2011 Edouard DUPIN, all right reserved
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*
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* This software is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY.
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*
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* Licence summary :
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* You can modify and redistribute the sources code and binaries.
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* You can send me the bug-fix
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*
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* Term of the licence in in the file licence.txt.
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*
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*******************************************************************************
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*/
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#include <ewol/widget/Layer.h>
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#include <ewol/WidgetManager.h>
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#undef __class__
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#define __class__ "Layer"
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ewol::Layer::Layer(void)
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{
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// set contamination enable
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LockExpendContamination();
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}
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ewol::Layer::~Layer(void)
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{
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SubWidgetRemoveAll();
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}
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//!< EObject name :
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extern const char * const ewol::TYPE_EOBJECT_WIDGET_LAYER = "Layer";
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/**
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* @brief Check if the object has the specific type.
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* @note In Embended platforme, it is many time no -rtti flag, then it is not possible to use dynamic cast ==> this will replace it
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* @param[in] objectType type of the object we want to check
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* @return true if the object is compatible, otherwise false
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*/
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bool ewol::Layer::CheckObjectType(const char * const objectType)
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{
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if (NULL == objectType) {
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EWOL_ERROR("check error : \"" << ewol::TYPE_EOBJECT_WIDGET_LAYER << "\" != NULL(pointer) ");
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return false;
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}
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if (objectType == ewol::TYPE_EOBJECT_WIDGET_LAYER) {
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return true;
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} else {
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if(true == ewol::Widget::CheckObjectType(objectType)) {
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return true;
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}
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EWOL_ERROR("check error : \"" << ewol::TYPE_EOBJECT_WIDGET_LAYER << "\" != \"" << objectType << "\"");
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return false;
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}
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}
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/**
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* @brief Get the current Object type of the EObject
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* @note In Embended platforme, it is many time no -rtti flag, then it is not possible to use dynamic cast ==> this will replace it
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* @param[in] objectType type description
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* @return true if the object is compatible, otherwise false
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*/
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const char * const ewol::Layer::GetObjectType(void)
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{
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return ewol::TYPE_EOBJECT_WIDGET_LAYER;
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}
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bool ewol::Layer::CalculateSize(etkFloat_t availlableX, etkFloat_t availlableY)
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{
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//EWOL_DEBUG("Update Size");
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m_size.x = availlableX;
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m_size.y = availlableY;
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for (int32_t iii=0; iii<m_subWidget[m_currentCreateId].Size(); iii++) {
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if (NULL != m_subWidget[m_currentCreateId][iii]) {
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m_subWidget[m_currentCreateId][iii]->SetOrigin(m_origin.x, m_origin.y);
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m_subWidget[m_currentCreateId][iii]->CalculateSize(m_size.x, m_size.y);
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}
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}
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MarkToReedraw();
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return true;
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}
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bool ewol::Layer::CalculateMinSize(void)
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{
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m_userExpendX=false;
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m_userExpendY=false;
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m_minSize.x = 0.0;
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m_minSize.y = 0.0;
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for (int32_t iii=0; iii<m_subWidget[m_currentCreateId].Size(); iii++) {
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if (NULL != m_subWidget[m_currentCreateId][iii]) {
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m_subWidget[m_currentCreateId][iii]->CalculateMinSize();
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if (true == m_subWidget[m_currentCreateId][iii]->CanExpentX()) {
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m_userExpendX = true;
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}
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if (true == m_subWidget[m_currentCreateId][iii]->CanExpentY()) {
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m_userExpendY = true;
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}
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coord2D_ts tmpSize = m_subWidget[m_currentCreateId][iii]->GetMinSize();
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m_minSize.x = etk_max(tmpSize.x, m_minSize.x);
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m_minSize.y = etk_max(tmpSize.y, m_minSize.y);
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}
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}
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return true;
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}
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void ewol::Layer::SetMinSise(etkFloat_t x, etkFloat_t y)
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{
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EWOL_ERROR("Layer can not have a user Minimum size (herited from under elements)");
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}
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void ewol::Layer::SetExpendX(bool newExpend)
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{
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EWOL_ERROR("Layer can not have a user expend settings X (herited from under elements)");
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}
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bool ewol::Layer::CanExpentX(void)
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{
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if (true == m_lockExpendContamination) {
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return false;
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}
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return m_userExpendX;
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}
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void ewol::Layer::SetExpendY(bool newExpend)
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{
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EWOL_ERROR("Sizer can not have a user expend settings Y (herited from under elements)");
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}
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bool ewol::Layer::CanExpentY(void)
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{
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if (true == m_lockExpendContamination) {
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return false;
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}
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return m_userExpendY;
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}
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void ewol::Layer::LockExpendContamination(bool lockExpend)
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{
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m_lockExpendContamination = lockExpend;
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}
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//etk::VectorType<ewol::Widget*> m_SubWidget;
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void ewol::Layer::SubWidgetRemoveAll(void)
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{
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for (int32_t iii=0; iii<m_subWidget[m_currentCreateId].Size(); iii++) {
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m_subWidget[m_currentCreateId][iii]->MarkToRemove();
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m_subWidget[m_currentCreateId][iii] = NULL;
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}
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m_subWidget[m_currentCreateId].Clear();
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}
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void ewol::Layer::SubWidgetAdd(ewol::Widget* newWidget)
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{
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if (NULL == newWidget) {
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return;
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}
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m_subWidget[m_currentCreateId].PushBack(newWidget);
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}
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void ewol::Layer::SubWidgetRemove(ewol::Widget* newWidget)
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{
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if (NULL == newWidget) {
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return;
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}
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for (int32_t iii=0; iii<m_subWidget[m_currentCreateId].Size(); iii++) {
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if (newWidget == m_subWidget[m_currentCreateId][iii]) {
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m_subWidget[m_currentCreateId][iii]->MarkToRemove();
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m_subWidget[m_currentCreateId][iii] = NULL;
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m_subWidget[m_currentCreateId].Erase(iii);
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return;
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}
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}
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}
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void ewol::Layer::SubWidgetUnLink(ewol::Widget* newWidget)
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{
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if (NULL == newWidget) {
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return;
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}
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for (int32_t iii=0; iii<m_subWidget[m_currentCreateId].Size(); iii++) {
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if (newWidget == m_subWidget[m_currentCreateId][iii]) {
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m_subWidget[m_currentCreateId][iii] = NULL;
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m_subWidget[m_currentCreateId].Erase(iii);
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return;
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}
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}
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}
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void ewol::Layer::OnDraw(void)
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{
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for (int32_t iii=0; iii<m_subWidget[m_currentDrawId].Size(); iii++) {
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if (NULL != m_subWidget[m_currentDrawId][iii]) {
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m_subWidget[m_currentDrawId][iii]->GenDraw();
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}
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}
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}
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void ewol::Layer::OnRegenerateDisplay(void)
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{
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for (int32_t iii=0; iii<m_subWidget[m_currentCreateId].Size(); iii++) {
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if (NULL != m_subWidget[m_currentCreateId][iii]) {
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m_subWidget[m_currentCreateId][iii]->OnRegenerateDisplay();
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}
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}
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}
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/**
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* @brief Get the widget at the specific windows absolute position
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* @param[in] pos gAbsolute position of the requested widget knowledge
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* @return NULL No widget found
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* @return pointer on the widget found
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*/
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ewol::Widget * ewol::Layer::GetWidgetAtPos(coord2D_ts pos)
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{
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// for all element in the sizer ...
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for (int32_t iii=0; iii<m_subWidget[m_currentCreateId].Size(); iii++) {
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if (NULL != m_subWidget[m_currentCreateId][iii]) {
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coord2D_ts tmpSize = m_subWidget[m_currentCreateId][iii]->GetSize();
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coord2D_ts tmpOrigin = m_subWidget[m_currentCreateId][iii]->GetOrigin();
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if( (tmpOrigin.x <= pos.x && tmpOrigin.x + tmpSize.x >= pos.x)
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&& (tmpOrigin.y <= pos.y && tmpOrigin.y + tmpSize.y >= pos.y) )
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{
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return m_subWidget[m_currentCreateId][iii]->GetWidgetAtPos(pos);
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}
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}
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}
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// otherwise the event go to this widget ...
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return this;
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}
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/**
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* @brief Event generated to inform a flip-flop has occured on the current widget
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* @param ---
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* @return ---
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*/
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void ewol::Layer::OnFlipFlopEvent(void)
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{
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bool needFlipFlop = m_needFlipFlop;
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// call herited classes
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ewol::Widget::OnFlipFlopEvent();
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// internal saving
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if (true == needFlipFlop) {
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m_subWidget[m_currentCreateId] = m_subWidget[m_currentDrawId];
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}
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// in every case, we propagate the flip-flop EVENT
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for(int32_t iii=0; iii<m_subWidget[m_currentDrawId].Size(); iii++) {
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if(NULL != m_subWidget[m_currentDrawId][iii]) {
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m_subWidget[m_currentDrawId][iii]->OnFlipFlopEvent();
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}
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}
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}
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/**
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* @brief Inform object that an other object is removed ...
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* @param[in] removeObject Pointer on the EObject remeved ==> the user must remove all reference on this EObject
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* @note : Sub classes must call this class
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* @return ---
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*/
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void ewol::Layer::OnObjectRemove(ewol::EObject * removeObject)
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{
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// First step call parrent :
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ewol::Widget::OnObjectRemove(removeObject);
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// second step find if in all the elements ...
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for(int32_t iii=m_subWidget[m_currentCreateId].Size()-1; iii>=0; iii--) {
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if(m_subWidget[m_currentCreateId][iii] == removeObject) {
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EWOL_DEBUG("Remove sizer sub Element [" << iii << "] ==> destroyed object");
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m_subWidget[m_currentCreateId][iii] = NULL;
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m_subWidget[m_currentCreateId].Erase(iii);
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m_needFlipFlop = true;
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}
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}
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}
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103
Sources/libewol/ewol/widget/Layer.h
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103
Sources/libewol/ewol/widget/Layer.h
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@ -0,0 +1,103 @@
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/**
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*******************************************************************************
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* @file ewol/widget/Layer.h
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* @brief ewol layer widget system (Header)
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* @author Edouard DUPIN
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* @date 11/04/2012
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* @par Project
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* ewol
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*
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* @par Copyright
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* Copyright 2011 Edouard DUPIN, all right reserved
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*
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* This software is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY.
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*
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* Licence summary :
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* You can modify and redistribute the sources code and binaries.
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* You can send me the bug-fix
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*
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* Term of the licence in in the file licence.txt.
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*
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*******************************************************************************
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*/
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#ifndef __EWOL_LAYER_H__
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#define __EWOL_LAYER_H__
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#include <etk/Types.h>
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#include <ewol/Debug.h>
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#include <ewol/Widget.h>
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namespace ewol {
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class Layer :public ewol::Widget
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{
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public:
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Layer(void);
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virtual ~Layer(void);
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/**
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* @brief Check if the object has the specific type.
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* @note In Embended platforme, it is many time no -rtti flag, then it is not possible to use dynamic cast ==> this will replace it
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* @param[in] objectType type of the object we want to check
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* @return true if the object is compatible, otherwise false
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*/
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virtual bool CheckObjectType(const char * const objectType);
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/**
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* @brief Get the current Object type of the EObject
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* @note In Embended platforme, it is many time no -rtti flag, then it is not possible to use dynamic cast ==> this will replace it
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* @param[in] objectType type description
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* @return true if the object is compatible, otherwise false
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*/
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virtual const char * const GetObjectType(void);
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public:
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virtual bool CalculateSize(etkFloat_t availlableX, etkFloat_t availlableY); // this generate the current size ...
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virtual bool CalculateMinSize(void); //update the min Size ... and the expend parameters for the sizer
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virtual void SetMinSise(etkFloat_t x=-1, etkFloat_t y=-1);
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virtual void SetExpendX(bool newExpend=false);
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virtual bool CanExpentX(void);
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virtual void SetExpendY(bool newExpend=false);
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virtual bool CanExpentY(void);
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void LockExpendContamination(bool lockExpend=false);
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private:
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bool m_lockExpendContamination;
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etk::VectorType<ewol::Widget*> m_subWidget[NB_BOUBLE_BUFFER];
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public:
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virtual void SubWidgetRemoveAll(void);
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virtual void SubWidgetAdd(ewol::Widget* newWidget);
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virtual void SubWidgetRemove(ewol::Widget* newWidget);
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virtual void SubWidgetUnLink(ewol::Widget* newWidget);
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protected:
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virtual void OnDraw(void);
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public:
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virtual void OnRegenerateDisplay(void);
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public:
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/**
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* @brief Get the widget at the specific windows absolute position
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* @param[in] pos gAbsolute position of the requested widget knowledge
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* @return NULL No widget found
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* @return pointer on the widget found
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*/
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virtual ewol::Widget * GetWidgetAtPos(coord2D_ts pos);
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/**
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* @brief Event generated to inform a flip-flop has occured on the current widget
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* @param ---
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* @return ---
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*/
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virtual void OnFlipFlopEvent(void);
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/**
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* @brief Inform object that an other object is removed ...
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* @param[in] removeObject Pointer on the EObject remeved ==> the user must remove all reference on this EObject
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* @note : Sub classes must call this class
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* @return ---
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*/
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virtual void OnObjectRemove(ewol::EObject * removeObject);
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};
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extern const char * const TYPE_EOBJECT_WIDGET_LAYER;
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};
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#define EWOL_CAST_WIDGET_LAYER(curentPointer) EWOL_CAST(ewol::TYPE_EOBJECT_WIDGET_LAYER,ewol::Layer,curentPointer)
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#endif
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@ -36,6 +36,7 @@ FILE_LIST = ewol/ewol.cpp \
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ewol/widget/Joystick.cpp \
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ewol/widget/Label.cpp \
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ewol/widget/List.cpp \
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ewol/widget/Layer.cpp \
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ewol/widget/Menu.cpp \
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ewol/widget/PopUp.cpp \
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ewol/widget/Scene.cpp \
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