diff options
Diffstat (limited to 'plugins/MirandaG15/LCDFramework/src/CLCDLabel.cpp')
| -rw-r--r-- | plugins/MirandaG15/LCDFramework/src/CLCDLabel.cpp | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/plugins/MirandaG15/LCDFramework/src/CLCDLabel.cpp b/plugins/MirandaG15/LCDFramework/src/CLCDLabel.cpp new file mode 100644 index 0000000000..6451f76665 --- /dev/null +++ b/plugins/MirandaG15/LCDFramework/src/CLCDLabel.cpp @@ -0,0 +1,228 @@ +#include "stdafx.h"
+#include "CLCDGfx.h"
+#include "CLCDObject.h"
+#include "CLCDTextObject.h"
+#include "CLCDLabel.h"
+#include "math.h"
+
+//************************************************************************
+// constructor
+//************************************************************************
+CLCDLabel::CLCDLabel()
+{
+ m_strText = _T("");
+ m_bCutOff = true;
+}
+
+//************************************************************************
+// destructor
+//************************************************************************
+CLCDLabel::~CLCDLabel()
+{
+}
+
+//************************************************************************
+// initializes the label
+//************************************************************************
+bool CLCDLabel::Initialize()
+{
+ if(!CLCDTextObject::Initialize())
+ return false;
+
+ return true;
+}
+
+//************************************************************************
+// deinitializes the label
+//************************************************************************
+bool CLCDLabel::Shutdown()
+{
+ if(!CLCDTextObject::Shutdown())
+ return false;
+
+ return true;
+}
+
+//************************************************************************
+// updates the label
+//************************************************************************
+bool CLCDLabel::Update()
+{
+ if(!CLCDTextObject::Update())
+ return false;
+
+ return true;
+}
+
+//************************************************************************
+// draws the label
+//************************************************************************
+bool CLCDLabel::Draw(CLCDGfx *pGfx)
+{
+ if(!CLCDTextObject::Draw(pGfx))
+ return false;
+
+ SelectObject(pGfx->GetHDC(),m_hFont);
+
+ int iTop = (int)(GetHeight()-(m_vLines.size()*m_iFontHeight))/2;///2;//()/2;
+ RECT rBoundary = {0,iTop,GetWidth(), GetHeight()-iTop};
+
+ vector<tstring>::iterator iter = m_vLines.begin();
+ while(!m_vLines.empty() && iter != m_vLines.end())
+ {
+ DrawTextEx(pGfx->GetHDC(), (LPTSTR)(*iter).c_str(), (*iter).length(), &rBoundary, m_iTextFormat, &m_dtp);
+ rBoundary.top += m_iFontHeight;
+ iter++;
+ }
+ return true;
+}
+
+//************************************************************************
+// sets the label's text
+//************************************************************************
+void CLCDLabel::SetText(tstring strText)
+{
+ m_strText = strText;
+
+ UpdateCutOffIndex();
+}
+
+//************************************************************************
+// called when the labels font has changed
+//************************************************************************
+void CLCDLabel::OnFontChanged()
+{
+ UpdateCutOffIndex();
+}
+
+//************************************************************************
+// called when the labels size has changed
+//************************************************************************
+void CLCDLabel::OnSizeChanged(SIZE OldSize)
+{
+ if(GetWidth() == OldSize.cx && GetHeight() == OldSize.cy)
+ return;
+ UpdateCutOffIndex();
+}
+
+//************************************************************************
+// sets the wordwrap mode
+//************************************************************************
+void CLCDLabel::SetWordWrap(bool bEnable)
+{
+ m_bWordWrap = bEnable;
+}
+
+//************************************************************************
+// updates the cutoff index
+//************************************************************************
+void CLCDLabel::UpdateCutOffIndex()
+{
+ int iLen = m_strText.length();
+
+ m_vLines.clear();
+
+ if(iLen <= 0)
+ {
+ m_strCutOff = _T("");
+ m_iCutOffIndex = 0;
+ return;
+ }
+ // variables
+
+ HDC hDC = CreateCompatibleDC(NULL);
+ SelectObject(hDC, m_hFont);
+
+ if(NULL == hDC)
+ return;
+
+ int iWidth = GetWidth();
+ SIZE sizeChar = {0, 0};
+ SIZE sizeLine = {0, 0};
+ SIZE sizeWord = {0,0};
+ SIZE sizeCutOff = {0, 0};
+
+ int iAvailableLines = GetHeight()/m_iFontHeight;
+ // unitialized or too small labels need to be handled
+ if(iAvailableLines <= 0)
+ iAvailableLines = 1;
+
+ // process wordwrapping
+ int i = 0;
+ if(m_bWordWrap && GetWidth() > 0)
+ {
+ int *piExtents = new int[m_strText.length()];
+ TCHAR *szString = (TCHAR*)m_strText.c_str();
+ int iMaxChars = 0;
+ tstring::size_type pos = 0;
+
+ while(i<iLen && m_vLines.size() < iAvailableLines)
+ {
+ GetTextExtentExPoint(hDC,szString+i,m_strText.length()-i,GetWidth(),&iMaxChars,piExtents,&sizeLine);
+
+ // filter out spaces or line breaks at the beginning of a new line
+ if(m_strText[i] == '\n' || m_strText[i] == ' ')
+ i++;
+
+ pos = m_strText.find(_T("\n"),i);
+ // check for linebreaks
+ if(pos != tstring::npos && pos != i && pos >= i && pos != i+iMaxChars)
+ iMaxChars = 1 + pos - i;
+ // if the string doesnt fit, try to wrap the last word to the next line
+ else if(iMaxChars < iLen - i || sizeLine.cx >= GetWidth())
+ {
+ // find the last space in the line ( substract -1 from offset to ignore spaces as last chars )
+ pos = m_strText.rfind(_T(" "),i + iMaxChars -1 );
+ if(pos != tstring::npos && pos != i && pos >= i & pos != i+iMaxChars)
+ iMaxChars = 1 + pos - i;
+ }
+
+ if(m_vLines.size() == iAvailableLines-1)
+ iMaxChars = iLen - i;
+
+ m_vLines.push_back(m_strText.substr(i,iMaxChars));
+ i += iMaxChars;
+ }
+ free(piExtents);
+ }
+ else
+ m_vLines.push_back(m_strText);
+
+ // calculate the cutoff position
+
+ GetTextExtentPoint(hDC,_T("..."),3,&sizeCutOff);
+
+ int *piWidths = new int[(*--m_vLines.end()).length()];
+ int iMaxChars = 0;
+
+ GetTextExtentExPoint(hDC,(*--m_vLines.end()).c_str(),(*--m_vLines.end()).length(),iWidth,&iMaxChars,piWidths,&sizeLine);
+
+ if(iMaxChars < (*--m_vLines.end()).length())
+ {
+ for(iMaxChars--;iMaxChars>0;iMaxChars--)
+ {
+ if(piWidths[iMaxChars] + sizeCutOff.cx <= iWidth)
+ break;
+ }
+ (*--m_vLines.end()) = (*--m_vLines.end()).substr(0,iMaxChars) + _T("...");
+ }
+ free(piWidths);
+
+ DeleteObject(hDC);
+
+ //if(GetWidth() == 0)
+ m_iLineCount = 1;
+ //else
+ // m_iLineCount = ceil((double)(sizeLine.cx + sizeCutOff.cx)/GetWidth());
+
+ //if(m_iLineCount > GetHeight()/m_iFontHeight)
+ // m_iLineCount = GetHeight()/m_iFontHeight;
+}
+
+//************************************************************************
+// sets the cutoff mode
+//************************************************************************
+void CLCDLabel::SetCutOff(bool bEnable)
+{
+ m_bCutOff = bEnable;
+}
\ No newline at end of file |