edn/sources/appl/TextPluginMultiLineTab.cpp

96 lines
2.6 KiB
C++

/**
* @author Edouard DUPIN
*
* @copyright 2010, Edouard DUPIN, all right reserved
*
* @license GPL v3 (see license file)
*/
#include <appl/TextPluginMultiLineTab.h>
#include <ewol/context/clipBoard.h>
#include <appl/Gui/TextViewer.h>
#undef __class__
#define __class__ "TextPluginMultiLineTab"
appl::TextPluginMultiLineTab::TextPluginMultiLineTab(void) {
m_activateOnEventEntry = true;
}
bool appl::TextPluginMultiLineTab::onEventEntry(appl::TextViewer& _textDrawer,
const ewol::event::Entry& _event) {
if (isEnable() == false) {
return false;
}
if (_event.getType() != ewol::key::keyboardChar) {
return false;
}
//APPL_DEBUG("KB EVENT : \"" << UTF8_data << "\" size=" << strlen(UTF8_data) << "type=" << (int32_t)typeEvent);
if (_event.getStatus() != ewol::key::statusDown) {
return false;
}
char32_t localValue = _event.getChar();
if (localValue != u32char::Tabulation) {
return false;
}
if (_textDrawer.hasTextSelected() == false) {
return false;
}
appl::Buffer::Iterator itStart = _textDrawer.selectStart();
appl::Buffer::Iterator itStop = _textDrawer.selectStop();
// get the compleate section of the buffer :
itStart = _textDrawer.getStartLine(itStart);
itStop = _textDrawer.getEndLine(itStop);
// copy the curent data in a classicle string:
std::string data;
_textDrawer.copy(data, itStart, itStop);
// TODO : Change this ...
bool m_useTabs = true;
int32_t m_tabDist = 4;
if (true == _event.getSpecialKey().getShift() ) {
// un-indent
data.insert(0, 1, u32char::Return);
for (int32_t iii=1; iii<data.size(); ++iii) {
if (data[iii-1] != u32char::Return) {
continue;
}
if(data[iii] == u32char::Tabulation) {
data.erase(iii, 1);
} else if(data[iii] == u32char::Space) {
for (int32_t jjj=0; jjj<m_tabDist && jjj+iii<data.size() ; jjj++) {
if(data[iii] == u32char::Space) {
data.erase(iii, 1);
} else if(data[iii] == u32char::Tabulation) {
data.erase(iii, 1);
break;
} else {
break;
}
}
}
}
data.erase(0, 1);
} else {
// indent
data.insert(0, 1, u32char::Return);
for (int32_t iii=1; iii<data.size(); iii++) {
if (data[iii-1] != u32char::Return) {
continue;
}
if (true == _event.getSpecialKey().getCtrl() ) {
data.insert(iii, 1, u32char::Space);
} else if (true == m_useTabs) {
data.insert(iii, 1, u32char::Tabulation);
} else {
data.insert(iii, m_tabDist, u32char::Space);
}
}
data.erase(0, 1);
}
// Real replace of DATA :
_textDrawer.replace(data, itStart, itStop);
_textDrawer.select(itStart, itStart+data.size());
return true;
}