[DEV] start rework buffer display
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243
sources/appl/Gui/TextViewer.cpp
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243
sources/appl/Gui/TextViewer.cpp
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/**
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* @author Edouard DUPIN
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*
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* @copyright 2010, Edouard DUPIN, all right reserved
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*
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* @license GPL v3 (see license file)
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*/
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#include <CodeView.h>
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#include <appl/Debug.h>
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#include <appl/global.h>
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#include <TextViewer.h>
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#include <BufferManager.h>
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#include <ColorizeManager.h>
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#include <ewol/clipBoard.h>
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#include <SearchData.h>
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#include <ewol/widget/WidgetManager.h>
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#include <ewol/renderer/EObject.h>
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#undef __class__
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#define __class__ "TextViewer"
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appl::TextViewer::TextViewer(const etk::UString& _fontName, int32_t _fontSize) :
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m_buffer(NULL),
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m_displayText(_fontName, _fontSize)
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{
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SetCanHaveFocus(true);
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RegisterMultiCast(ednMsgBufferId);
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RegisterMultiCast(ednMsgGuiCopy);
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RegisterMultiCast(ednMsgGuiPaste);
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RegisterMultiCast(ednMsgGuiCut);
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RegisterMultiCast(ednMsgGuiRedo);
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RegisterMultiCast(ednMsgGuiUndo);
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RegisterMultiCast(ednMsgGuiRm);
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RegisterMultiCast(ednMsgGuiSelect);
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RegisterMultiCast(ednMsgGuiChangeCharset);
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RegisterMultiCast(ednMsgGuiFind);
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RegisterMultiCast(ednMsgGuiReplace);
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RegisterMultiCast(ednMsgGuiGotoLine);
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SetLimitScrolling(0.2);
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ShortCutAdd("ctrl+w", ednMsgGuiRm, "Line");
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ShortCutAdd("ctrl+shift+w", ednMsgGuiRm, "Paragraph");
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ShortCutAdd("ctrl+x", ednMsgGuiCut, "STD");
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ShortCutAdd("ctrl+c", ednMsgGuiCopy, "STD");
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ShortCutAdd("ctrl+v", ednMsgGuiPaste, "STD");
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ShortCutAdd("ctrl+a", ednMsgGuiSelect, "ALL");
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ShortCutAdd("ctrl+shift+a", ednMsgGuiSelect, "NONE");
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// by default we load an example object:
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m_buffer = new appl::Buffer();
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if (m_buffer == NULL) {
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APPL_ERROR("can not create buffer ... ");
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return;
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}
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m_buffer->LoadFile("./example.txt");
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}
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appl::TextViewer::~TextViewer(void)
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{
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}
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bool appl::TextViewer::CalculateMinSize(void)
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{
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m_minSize.setValue(50,50);
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return true;
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}
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void appl::TextViewer::CalculateMaxSize(void)
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{
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m_maxSize.setX(256);
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m_maxSize.setY(256);
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}
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void appl::TextViewer::OnDraw(void)
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{
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m_displayDrawing.Draw();
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m_displayText.Draw();
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WidgetScrooled::OnDraw();
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}
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esize_t appl::TextViewer::Get(esize_t _pos, UniChar& _value, charset_te _charset) const
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{
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_value = '\0';
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if (_charset == unicode::EDN_CHARSET_UTF8) {
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char tmpVal[8];
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tmpVal[0] = m_buffer[_pos];
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tmpVal[1] = m_buffer[_pos+1];
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tmpVal[2] = m_buffer[_pos+2];
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tmpVal[3] = m_buffer[_pos+3];
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tmpVal[4] = m_buffer[_pos+4];
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tmpVal[5] = m_buffer[_pos+5];
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tmpVal[6] = m_buffer[_pos+6];
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tmpVal[7] = '\0';
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// transform ...
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}
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// TODO :: need to trancode iso ==> UNICODE ...
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_value = m_buffer[_pos];
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return _pos+1;
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}
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void appl::TextViewer::OnRegenerateDisplay(void)
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{
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if (true == NeedRedraw()) {
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// For the scrooling windows
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CalculateMaxSize();
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m_displayDrawing.Clear();
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m_displayText.Clear();
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// Reset the background :
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m_displayDrawing.SetPos(vec3(0, 0, 0));
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m_displayDrawing.SetColor(etk::Color<>(220, 220, 220, 256));
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m_displayDrawing.RectangleWidth(m_size);
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if (m_buffer == NULL) {
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m_displayText.SetTextAlignement(10, m_size.x()-20, ewol::Text::alignLeft);
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m_displayText.SetRelPos(vec3(10, 0, 0));
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etk::UString tmpString("<br/>\n"
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"<font color=\"red\">\n"
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" <b>\n"
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" edn - Editeur De N'ours\n"
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" </b>\n"
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"</font>\n"
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"<br/>\n"
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"<br/>\n"
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"<font color=\"indigo\">\n"
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" <i>\n"
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" No Buffer Availlable to display\n"
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" </i>\n"
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"</font>\n");
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m_displayText.SetPos(vec3(0.0f, m_size.y(), 0.0f) );
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m_displayText.ForceLineReturn();
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m_displayText.PrintDecorated(tmpString);
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} else {
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// real display ...
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etk::Buffer& buf = m_buffer->GetData();
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m_displayText.SetColor(etk::Color<>(0, 0, 0, 256));
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float countNbLine = 1;
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float countColomn = 0;
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vec3 tmpLetterSize = m_displayText.CalculateSize((uniChar_t)'A');
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for (int32_t iii=0; iii<buf.Size(); ++iii) {
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char c = buf.Get(iii);
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etk::UniChar myChar(c);
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if (myChar == etk::UniChar('\n')) {
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countNbLine += 1;
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countColomn = 0;
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continue;
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}
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countColomn += 1;
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m_displayText.SetPos(vec3(countColomn*tmpLetterSize.x(),
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m_size.y() - countNbLine*tmpLetterSize.y(),
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0.0f) );
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m_displayText.Print(myChar);
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//tmpLetterSize.x();
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}
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}
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// call the herited class...
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WidgetScrooled::OnRegenerateDisplay();
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}
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}
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bool appl::TextViewer::OnEventEntry(const ewol::EventEntry& _event)
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{
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if (_event.GetType() == ewol::keyEvent::keyboardChar) {
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//APPL_DEBUG("KB EVENT : \"" << UTF8_data << "\" size=" << strlen(UTF8_data) << "type=" << (int32_t)typeEvent);
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if (_event.GetStatus() == ewol::keyEvent::statusDown) {
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if (m_buffer != NULL) {
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//tmpBuffer->AddChar(_event.GetChar());
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}
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MarkToRedraw();
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}
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return true;
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}
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// move events ...
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if (_event.GetStatus() == ewol::keyEvent::statusDown) {
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if (m_buffer != NULL) {
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//tmpBuffer->cursorMove(_event.GetType());
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}
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MarkToRedraw();
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}
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return true;
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}
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void appl::TextViewer::OnEventClipboard(ewol::clipBoard::clipboardListe_te _clipboardID)
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{
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if (m_buffer != NULL) {
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//tmpBuffer->Paste(_clipboardID);
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}
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MarkToRedraw();
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}
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bool appl::TextViewer::OnEventInput(const ewol::EventInput& _event)
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{
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vec2 relativePos = RelativePosition(_event.GetPos());
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if (m_buffer != NULL) {
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}
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return true;
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}
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void appl::TextViewer::OnReceiveMessage(const ewol::EMessage& _msg)
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{
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// Force redraw of the widget
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MarkToRedraw();
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}
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void appl::TextViewer::OnGetFocus(void)
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{
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ShowKeyboard();
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APPL_INFO("Focus - In");
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}
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void appl::TextViewer::OnLostFocus(void)
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{
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HideKeyboard();
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APPL_INFO("Focus - out");
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}
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void appl::TextViewer::SetFontSize(int32_t _size)
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{
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m_displayText.SetFontSize(_size);
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SetScrollingSize(_size*3.0*1.46); // 1.46 is a magic number ...
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}
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void appl::TextViewer::SetFontName(const etk::UString& _fontName)
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{
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m_displayText.SetFontName(_fontName);
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}
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