ewol/Sources/libewol/ewol/widget/SizerHori.cpp

294 lines
7.1 KiB
C++

/**
*******************************************************************************
* @file ewol/widget/SizerHori.cpp
* @brief ewol horisantal sizer widget system (Sources)
* @author Edouard DUPIN
* @date 07/11/2011
* @par Project
* ewol
*
* @par Copyright
* Copyright 2011 Edouard DUPIN, all right reserved
*
* This software is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY.
*
* Licence summary :
* You can modify and redistribute the sources code and binaries.
* You can send me the bug-fix
*
* Term of the licence in in the file licence.txt.
*
*******************************************************************************
*/
#include <ewol/widget/SizerHori.h>
#include <ewol/widget/WidgetManager.h>
#undef __class__
#define __class__ "SizerHori"
ewol::SizerHori::SizerHori(void)
{
// set contamination enable
LockExpendContamination();
}
ewol::SizerHori::~SizerHori(void)
{
SubWidgetRemoveAll();
}
bool ewol::SizerHori::CalculateSize(float availlableX, float availlableY)
{
//EWOL_DEBUG("Update Size");
m_size.x = availlableX;
m_size.y = availlableY;
// calculate unExpendable Size :
float unexpendableSize=0.0;
int32_t nbWidgetFixedSize=0;
int32_t nbWidgetNotFixedSize=0;
for (int32_t iii=0; iii<m_subWidget.Size(); iii++) {
if (NULL != m_subWidget[iii]) {
Vector2D<float> tmpSize = m_subWidget[iii]->GetMinSize();
unexpendableSize += tmpSize.x;
if (false == m_subWidget[iii]->CanExpentX()) {
nbWidgetFixedSize++;
} else {
nbWidgetNotFixedSize++;
}
}
}
float sizeToAddAtEveryOne = 0;
// 2 cases : 1 or more can Expend, or all is done ...
if (0 != nbWidgetNotFixedSize) {
sizeToAddAtEveryOne = (m_size.x - unexpendableSize) / nbWidgetNotFixedSize;
if (sizeToAddAtEveryOne<0.0) {
sizeToAddAtEveryOne=0;
}
}
Vector2D<float> tmpOrigin;
tmpOrigin.x = m_origin.x;
tmpOrigin.y = m_origin.y;
for (int32_t iii=0; iii<m_subWidget.Size(); iii++) {
if (NULL != m_subWidget[iii]) {
Vector2D<float> tmpSize = m_subWidget[iii]->GetMinSize();
// Set the origin :
//EWOL_DEBUG("Set ORIGIN : " << tmpOrigin.x << "," << tmpOrigin.y << ")");
m_subWidget[iii]->SetOrigin(tmpOrigin.x, tmpOrigin.y);
// Now Update his Size his size in X and the curent sizer size in Y:
if (true == m_subWidget[iii]->CanExpentX()) {
m_subWidget[iii]->CalculateSize(tmpSize.x+sizeToAddAtEveryOne, m_size.y);
tmpOrigin.x += tmpSize.x+sizeToAddAtEveryOne;
} else {
m_subWidget[iii]->CalculateSize(tmpSize.x, m_size.y);
tmpOrigin.x += tmpSize.x;
}
}
}
MarkToRedraw();
return true;
}
bool ewol::SizerHori::CalculateMinSize(void)
{
//EWOL_DEBUG("Update minimum Size");
m_userExpend.x=false;
m_userExpend.y=false;
m_minSize.x = 0.0;
m_minSize.y = 0.0;
for (int32_t iii=0; iii<m_subWidget.Size(); iii++) {
if (NULL != m_subWidget[iii]) {
m_subWidget[iii]->CalculateMinSize();
if (true == m_subWidget[iii]->CanExpentX()) {
m_userExpend.x = true;
}
if (true == m_subWidget[iii]->CanExpentY()) {
m_userExpend.y = true;
}
Vector2D<float> tmpSize = m_subWidget[iii]->GetMinSize();
m_minSize.x += tmpSize.x;
if (tmpSize.y>m_minSize.y) {
m_minSize.y = tmpSize.y;
}
}
}
//EWOL_DEBUG("Result : expend X="<< m_userExpend.x << " Y=" << m_userExpend.y);
//EWOL_DEBUG(" minSize ("<< m_minSize.x << "," << m_minSize.y << ")");
return true;
}
void ewol::SizerHori::SetMinSize(float x, float y)
{
EWOL_ERROR("Sizer can not have a user Minimum size (herited from under elements)");
}
void ewol::SizerHori::SetExpendX(bool newExpend)
{
EWOL_ERROR("Sizer can not have a user expend settings X (herited from under elements)");
}
bool ewol::SizerHori::CanExpentX(void)
{
if (true == m_lockExpendContamination) {
return false;
}
return m_userExpend.x;
}
void ewol::SizerHori::SetExpendY(bool newExpend)
{
EWOL_ERROR("Sizer can not have a user expend settings Y (herited from under elements)");
}
bool ewol::SizerHori::CanExpentY(void)
{
if (true == m_lockExpendContamination) {
return false;
}
return m_userExpend.y;
}
void ewol::SizerHori::LockExpendContamination(bool lockExpend)
{
m_lockExpendContamination = lockExpend;
}
//etk::Vector<ewol::Widget*> m_subWidget[m_currentCreateId];
void ewol::SizerHori::SubWidgetRemoveAll(void)
{
for (int32_t iii=0; iii<m_subWidget.Size(); iii++) {
if (NULL != m_subWidget[iii]) {
delete(m_subWidget[iii]);
m_subWidget[iii] = NULL;
}
}
m_subWidget.Clear();
}
void ewol::SizerHori::SubWidgetAdd(ewol::Widget* newWidget)
{
if (NULL == newWidget) {
return;
}
m_subWidget.PushBack(newWidget);
}
void ewol::SizerHori::SubWidgetRemove(ewol::Widget* newWidget)
{
if (NULL == newWidget) {
return;
}
for (int32_t iii=0; iii<m_subWidget.Size(); iii++) {
if (newWidget == m_subWidget[iii]) {
if (NULL != m_subWidget[iii]) {
delete(m_subWidget[iii]);
m_subWidget[iii] = NULL;
}
m_subWidget.Erase(iii);
return;
}
}
}
void ewol::SizerHori::SubWidgetUnLink(ewol::Widget* newWidget)
{
if (NULL == newWidget) {
return;
}
for (int32_t iii=0; iii<m_subWidget.Size(); iii++) {
if (newWidget == m_subWidget[iii]) {
m_subWidget[iii] = NULL;
m_subWidget.Erase(iii);
return;
}
}
}
void ewol::SizerHori::OnDraw(DrawProperty& displayProp)
{
for (int32_t iii=0; iii<m_subWidget.Size(); iii++) {
if (NULL != m_subWidget[iii]) {
m_subWidget[iii]->GenDraw(displayProp);
}
}
}
void ewol::SizerHori::OnRegenerateDisplay(void)
{
for (int32_t iii=0; iii<m_subWidget.Size(); iii++) {
if (NULL != m_subWidget[iii]) {
m_subWidget[iii]->OnRegenerateDisplay();
}
}
}
/**
* @brief Get the widget at the specific windows absolute position
* @param[in] pos gAbsolute position of the requested widget knowledge
* @return NULL No widget found
* @return pointer on the widget found
*/
ewol::Widget * ewol::SizerHori::GetWidgetAtPos(Vector2D<float> pos)
{
if (true == IsHide()) {
return NULL;
}
// for all element in the sizer ...
for (int32_t iii=0; iii<m_subWidget.Size(); iii++) {
if (NULL != m_subWidget[iii]) {
Vector2D<float> tmpSize = m_subWidget[iii]->GetSize();
Vector2D<float> tmpOrigin = m_subWidget[iii]->GetOrigin();
if( (tmpOrigin.x <= pos.x && tmpOrigin.x + tmpSize.x >= pos.x)
&& (tmpOrigin.y <= pos.y && tmpOrigin.y + tmpSize.y >= pos.y) )
{
ewol::Widget * tmpWidget = m_subWidget[iii]->GetWidgetAtPos(pos);
if (NULL != tmpWidget) {
return tmpWidget;
}
// stop searching
break;
}
}
}
// TODO : Check if we have a mover, otherwire return NULL;
return NULL;
//return this;
}
/**
* @brief Inform object that an other object is removed ...
* @param[in] removeObject Pointer on the EObject remeved ==> the user must remove all reference on this EObject
* @note : Sub classes must call this class
* @return ---
*/
void ewol::SizerHori::OnObjectRemove(ewol::EObject * removeObject)
{
// First step call parrent :
ewol::Widget::OnObjectRemove(removeObject);
// second step find if in all the elements ...
for(int32_t iii=m_subWidget.Size()-1; iii>=0; iii--) {
if(m_subWidget[iii] == removeObject) {
EWOL_DEBUG("Remove sizer sub Element [" << iii << "] ==> destroyed object");
m_subWidget[iii] = NULL;
m_subWidget.Erase(iii);
}
}
}