Src/DasherCore/DashIntfScreenMsgs.cpp

   1 #include "DashIntfScreenMsgs.h"
   2 #include "ScreenGameModule.h"
   3
   4 using namespace Dasher;
   5
   6 CDashIntfScreenMsgs::CDashIntfScreenMsgs(CSettingsStore *pSettingsStore, CFileUtils* fileUtils)
   7         : CDashIntfSettings(pSettingsStore, fileUtils) {
   8 }
   9
  10 void CDashIntfScreenMsgs::Message(const string &strText, bool bInterrupt) {
  11   //Just store the messages for Redraw...
  12   CDasherScreen::Label *lab = GetView()->Screen()->MakeLabel(strText,GetLongParameter(LP_MESSAGE_FONTSIZE));
  13   if (bInterrupt) {
  14     m_dqModalMessages.push_back(pair<CDasherScreen::Label*,bool>(lab,false));
  15     if (CInputFilter *fil=GetActiveInputMethod()) fil->pause();
  16   }
  17   else
  18     m_dqAsyncMessages.push_back(pair<CDasherScreen::Label*,unsigned long>(lab, 0));
  19 }
  20
  21 bool CDashIntfScreenMsgs::FinishRender(unsigned long ulTime) {
  22   bool bMsgsChanged=false;
  23   //Finally any messages - newest that will fit at bottom, proceeding upwards.
  24   // Firstly clear any non-modal messages that have been onscreen for long enough
  25   while (!m_dqAsyncMessages.empty() && m_dqAsyncMessages.front().second && ulTime-m_dqAsyncMessages.front().second>GetLongParameter(LP_MESSAGE_TIME)) {
  26     delete m_dqAsyncMessages.front().first; //the Label
  27     m_dqAsyncMessages.pop_front(); // => stop displaying it
  28     bMsgsChanged=true;
  29   }
  30   CDasherScreen * const pScreen(GetView()->Screen());
  31   if (!m_dqAsyncMessages.empty() || !m_dqModalMessages.empty()) {
  32     screenint iY = pScreen->GetHeight();
  33     const screenint iMinY((iY*3)/4), iSW(pScreen->GetWidth());
  34     //still messages to display...first find out longest-ago N that will fit
  35     for (deque<pair<CDasherScreen::Label*, unsigned long> >::iterator it = m_dqAsyncMessages.begin(); it!=m_dqAsyncMessages.end() && iY>iMinY; it++) {
  36       if (it->second==0) {
  37         //reached a not-yet-displayed asynchronous message
  38         if (!m_dqModalMessages.empty()) break; //don't start displaying anything while there are modal msgs
  39         it->second = ulTime; //display message for first time
  40         bMsgsChanged=true;
  41       }
  42       iY-=pScreen->TextSize(it->first, GetLongParameter(LP_MESSAGE_FONTSIZE)).second;
  43     }
  44     if (!m_dqModalMessages.empty()) {
  45       bool bDisp(m_dqModalMessages.front().second != 0); //displaying anything atm?
  46       for (deque<pair<CDasherScreen::Label*,unsigned long> >::iterator it=m_dqModalMessages.begin(); it!=m_dqModalMessages.end() && iY>iMinY; it++) {
  47         if (bDisp) {
  48           if (it->second==0) break; //don't start displaying more until previous dismissed
  49         } else {
  50           DASHER_ASSERT(it->second==0);
  51           it->second = ulTime;
  52           bMsgsChanged = true;
  53         }
  54         iY-=pScreen->TextSize(it->first, GetLongParameter(LP_MESSAGE_FONTSIZE)).second;
  55       }
  56     }
  57     //Now render messages proceeding downwards - non-modal first, then oldest first
  58     bool bModal(false);
  59     for (deque<pair<CDasherScreen::Label*, unsigned long> >::const_iterator it = m_dqAsyncMessages.begin(); it != m_dqAsyncMessages.end(); it++) {
  60       if (it->second==0) continue;
  61       pair<screenint,screenint> textDims = pScreen->TextSize(it->first, GetLongParameter(LP_MESSAGE_FONTSIZE));
  62       //black (5) rectangle:
  63       pScreen->DrawRectangle((iSW - textDims.first)/2, iY, (iSW+textDims.first)/2, iY+textDims.second, 5, -1, -1);
  64       //white (0) text for non-modal, yellow (111) for modal
  65       pScreen->DrawString(it->first, (iSW-textDims.first)/2, iY, GetLongParameter(LP_MESSAGE_FONTSIZE), bModal ? 111 : 0);
  66       iY+=textDims.second;
  67     }
  68     bModal=true;
  69     for (deque<pair<CDasherScreen::Label*, unsigned long> >::const_iterator it = m_dqModalMessages.begin(); it != m_dqModalMessages.end(); it++) {
  70       if (it->second==0) continue;
  71       pair<screenint,screenint> textDims = pScreen->TextSize(it->first, GetLongParameter(LP_MESSAGE_FONTSIZE));
  72       //black (5) rectangle:
  73       pScreen->DrawRectangle((iSW - textDims.first)/2, iY, (iSW+textDims.first)/2, iY+textDims.second, 5, -1, -1);
  74       //white (0) text for non-modal, yellow (111) for modal
  75       pScreen->DrawString(it->first, (iSW-textDims.first)/2, iY, GetLongParameter(LP_MESSAGE_FONTSIZE), bModal ? 111 : 0);
  76       iY+=textDims.second;
  77     }
  78   }
  79   return bMsgsChanged;
  80 }
  81
  82 void CDashIntfScreenMsgs::ChangeScreen(CDasherScreen *pNewScreen) {
  83   CDasherInterfaceBase::ChangeScreen(pNewScreen);
  84   for (deque<pair<CDasherScreen::Label*,unsigned long> >::iterator it=m_dqAsyncMessages.begin(); ; it++) {
  85     if (it==m_dqAsyncMessages.end()) it = m_dqModalMessages.begin();
  86     if (it==m_dqModalMessages.end()) break;
  87     const CDasherScreen::Label *pOldLabel(it->first);
  88     it->first = pNewScreen->MakeLabel(pOldLabel->m_strText, pOldLabel->m_iWrapSize);
  89     delete pOldLabel;
  90   }
  91 }
  92
  93 void CDashIntfScreenMsgs::onUnpause(unsigned long lTime) {
  94   while (!m_dqModalMessages.empty()) {
  95     if (m_dqModalMessages.front().second) {
  96       //Message has been displayed; delete it
  97       delete m_dqModalMessages.front().first; //the label
  98       m_dqModalMessages.pop_front();
  99     } else {
 100       //there are more, not-yet displayed, modal messages!
 101       //These should be after any that were displayed (which have now been erased),
 102       // so do not unpause; next frame will render more messages instead.
 103       GetActiveInputMethod()->pause();
 104       return;
 105     }
 106   }
 107   CDasherInterfaceBase::onUnpause(lTime);
 108 }
 109
 110 CGameModule *CDashIntfScreenMsgs::CreateGameModule() {
 111   return new CScreenGameModule(this, this, GetView(), m_pDasherModel);
 112 }