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1237 lines
35 KiB
C++
1237 lines
35 KiB
C++
#include "bookpage.hpp"
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#include "MyGUI_FontManager.h"
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#include "MyGUI_RenderItem.h"
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#include "MyGUI_RenderManager.h"
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#include "MyGUI_TextureUtility.h"
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#include "MyGUI_FactoryManager.h"
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#include <platform/stdint.h>
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#include <boost/function.hpp>
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#include <boost/shared_ptr.hpp>
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#include <boost/make_shared.hpp>
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#include <components/misc/utf8stream.hpp>
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namespace MWGui
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{
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struct TypesetBookImpl;
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struct PageDisplay;
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struct BookPageImpl;
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static bool ucsSpace (int codePoint);
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static bool ucsLineBreak (int codePoint);
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static bool ucsBreakingSpace (int codePoint);
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struct BookTypesetter::Style { virtual ~Style () {} };
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struct TypesetBookImpl : TypesetBook
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{
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typedef std::vector <uint8_t> Content;
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typedef std::list <Content> Contents;
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typedef Utf8Stream::Point Utf8Point;
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typedef std::pair <Utf8Point, Utf8Point> Range;
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struct StyleImpl : BookTypesetter::Style
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{
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MyGUI::IFont* mFont;
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MyGUI::Colour mHotColour;
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MyGUI::Colour mActiveColour;
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MyGUI::Colour mNormalColour;
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InteractiveId mInteractiveId;
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bool match (MyGUI::IFont* tstFont, MyGUI::Colour tstHotColour, MyGUI::Colour tstActiveColour,
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MyGUI::Colour tstNormalColour, intptr_t tstInteractiveId)
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{
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return (mFont == tstFont) &&
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partal_match (tstHotColour, tstActiveColour, tstNormalColour, tstInteractiveId);
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}
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bool match (char const * tstFont, MyGUI::Colour tstHotColour, MyGUI::Colour tstActiveColour,
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MyGUI::Colour tstNormalColour, intptr_t tstInteractiveId)
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{
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return (mFont->getResourceName () == tstFont) &&
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partal_match (tstHotColour, tstActiveColour, tstNormalColour, tstInteractiveId);
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}
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bool partal_match (MyGUI::Colour tstHotColour, MyGUI::Colour tstActiveColour,
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MyGUI::Colour tstNormalColour, intptr_t tstInteractiveId)
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{
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return
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(mHotColour == tstHotColour ) &&
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(mActiveColour == tstActiveColour ) &&
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(mNormalColour == tstNormalColour ) &&
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(mInteractiveId == tstInteractiveId ) ;
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}
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};
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typedef std::list <StyleImpl> Styles;
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struct Run
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{
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StyleImpl* mStyle;
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Range mRange;
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int mLeft, mRight;
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int mPrintableChars;
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};
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typedef std::vector <Run> Runs;
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struct Line
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{
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Runs mRuns;
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MyGUI::IntRect mRect;
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};
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typedef std::vector <Line> Lines;
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struct Section
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{
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Lines mLines;
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MyGUI::IntRect mRect;
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};
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typedef std::vector <Section> Sections;
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typedef std::pair <int, int> Page;
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typedef std::vector <Page> Pages;
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Pages mPages;
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Sections mSections;
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Contents mContents;
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Styles mStyles;
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MyGUI::IntRect mRect;
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virtual ~TypesetBookImpl () {}
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Range addContent (BookTypesetter::Utf8Span text)
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{
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Contents::iterator i = mContents.insert (mContents.end (), Content (text.first, text.second));
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if (i->size () == 0)
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return Range (Utf8Point (NULL), Utf8Point (NULL));
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Utf8Point begin = &i->front ();
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Utf8Point end = &i->front () + i->size ();
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return Range (begin, end);
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}
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size_t pageCount () const { return mPages.size (); }
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std::pair <unsigned int, unsigned int> getSize () const
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{
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return std::make_pair (mRect.width (), mRect.height ());
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}
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template <typename Visitor>
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void visitRuns (int top, int bottom, MyGUI::IFont* Font, Visitor const & visitor) const
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{
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for (Sections::const_iterator i = mSections.begin (); i != mSections.end (); ++i)
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{
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if (top >= mRect.bottom || bottom <= i->mRect.top)
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continue;
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for (Lines::const_iterator j = i->mLines.begin (); j != i->mLines.end (); ++j)
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{
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if (top >= j->mRect.bottom || bottom <= j->mRect.top)
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continue;
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for (Runs::const_iterator k = j->mRuns.begin (); k != j->mRuns.end (); ++k)
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if (!Font || k->mStyle->mFont == Font)
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visitor (*i, *j, *k);
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}
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}
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}
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template <typename Visitor>
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void visitRuns (int top, int bottom, Visitor const & visitor) const
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{
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visitRuns (top, bottom, NULL, visitor);
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}
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StyleImpl * hitTest (int left, int top) const
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{
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for (Sections::const_iterator i = mSections.begin (); i != mSections.end (); ++i)
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{
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if (top < i->mRect.top || top >= i->mRect.bottom)
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continue;
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int left1 = left - i->mRect.left;
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for (Lines::const_iterator j = i->mLines.begin (); j != i->mLines.end (); ++j)
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{
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if (top < j->mRect.top || top >= j->mRect.bottom)
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continue;
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int left2 = left1 - j->mRect.left;
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for (Runs::const_iterator k = j->mRuns.begin (); k != j->mRuns.end (); ++k)
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{
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if (left2 < k->mLeft || left2 >= k->mRight)
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continue;
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return k->mStyle;
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}
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}
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}
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return nullptr;
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}
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MyGUI::IFont* affectedFont (StyleImpl* style)
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{
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for (Styles::iterator i = mStyles.begin (); i != mStyles.end (); ++i)
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if (&*i == style)
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return i->mFont;
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return NULL;
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}
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struct Typesetter;
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};
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struct TypesetBookImpl::Typesetter : BookTypesetter
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{
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typedef TypesetBookImpl Book;
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typedef boost::shared_ptr <Book> BookPtr;
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int mPageWidth;
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int mPageHeight;
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BookPtr mBook;
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Section * mSection;
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Line * mLine;
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Run * mRun;
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std::vector <Alignment> mSectionAlignment;
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Book::Content const * mCurrentContent;
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Alignment mCurrentAlignment;
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Typesetter (size_t width, size_t height) :
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mPageWidth (width), mPageHeight(height),
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mSection (NULL), mLine (NULL), mRun (NULL),
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mCurrentAlignment (AlignLeft),
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mCurrentContent (NULL)
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{
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mBook = boost::make_shared <Book> ();
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}
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virtual ~Typesetter ()
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{
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}
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Style * createStyle (char const * fontName, Colour fontColour)
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{
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if (strcmp(fontName, "") == 0)
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return createStyle(MyGUI::FontManager::getInstance().getDefaultFont().c_str(), fontColour);
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for (Styles::iterator i = mBook->mStyles.begin (); i != mBook->mStyles.end (); ++i)
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if (i->match (fontName, fontColour, fontColour, fontColour, 0))
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return &*i;
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StyleImpl & style = *mBook->mStyles.insert (mBook->mStyles.end (), StyleImpl ());
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style.mFont = MyGUI::FontManager::getInstance().getByName(fontName);
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style.mHotColour = fontColour;
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style.mActiveColour = fontColour;
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style.mNormalColour = fontColour;
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style.mInteractiveId = 0;
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return &style;
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}
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Style* createHotStyle (Style* baseStyle, Colour normalColour, Colour hoverColour, Colour activeColour, InteractiveId id, bool unique)
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{
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StyleImpl* BaseStyle = dynamic_cast <StyleImpl*> (baseStyle);
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if (!unique)
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for (Styles::iterator i = mBook->mStyles.begin (); i != mBook->mStyles.end (); ++i)
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if (i->match (BaseStyle->mFont, hoverColour, activeColour, normalColour, id))
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return &*i;
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StyleImpl & style = *mBook->mStyles.insert (mBook->mStyles.end (), StyleImpl ());
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style.mFont = BaseStyle->mFont;
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style.mHotColour = hoverColour;
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style.mActiveColour = activeColour;
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style.mNormalColour = normalColour;
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style.mInteractiveId = id;
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return &style;
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}
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void write (Style * style, Utf8Span text)
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{
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Range range = mBook->addContent (text);
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writeImpl (dynamic_cast <StyleImpl*> (style), range.first, range.second);
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}
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intptr_t addContent (Utf8Span text, bool select)
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{
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Contents::iterator i = mBook->mContents.insert (mBook->mContents.end (), Content (text.first, text.second));
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if (select)
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mCurrentContent = &(*i);
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return reinterpret_cast <intptr_t> (&(*i));
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}
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void selectContent (intptr_t contentHandle)
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{
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mCurrentContent = reinterpret_cast <Content const *> (contentHandle);
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}
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void write (Style * style, size_t begin, size_t end)
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{
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assert (mCurrentContent != NULL);
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assert (end <= mCurrentContent->size ());
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assert (begin <= mCurrentContent->size ());
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Utf8Point begin_ = &mCurrentContent->front () + begin;
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Utf8Point end_ = &mCurrentContent->front () + end ;
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writeImpl (dynamic_cast <StyleImpl*> (style), begin_, end_);
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}
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void lineBreak (float margin)
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{
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assert (margin == 0); //TODO: figure out proper behavior here...
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mRun = NULL;
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mLine = NULL;
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}
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void sectionBreak (float margin)
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{
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if (mBook->mSections.size () > 0)
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{
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mRun = NULL;
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mLine = NULL;
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mSection = NULL;
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if (mBook->mRect.bottom < (mBook->mSections.back ().mRect.bottom + margin))
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mBook->mRect.bottom = (mBook->mSections.back ().mRect.bottom + margin);
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}
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}
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void setSectionAlignment (Alignment sectionAlignment)
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{
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if (mSection != NULL)
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mSectionAlignment.back () = sectionAlignment;
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mCurrentAlignment = sectionAlignment;
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}
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TypesetBook::Ptr complete ()
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{
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int curPageStart = 0;
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int curPageStop = 0;
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std::vector <Alignment>::iterator sa = mSectionAlignment.begin ();
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for (Sections::iterator i = mBook->mSections.begin (); i != mBook->mSections.end (); ++i, ++sa)
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{
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// apply alignment to individual lines...
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for (Lines::iterator j = i->mLines.begin (); j != i->mLines.end (); ++j)
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{
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int width = j->mRect.width ();
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int excess = mPageWidth - width;
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switch (*sa)
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{
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default:
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case AlignLeft: j->mRect.left = 0; break;
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case AlignCenter: j->mRect.left = excess/2; break;
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case AlignRight: j->mRect.left = excess; break;
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}
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j->mRect.right = j->mRect.left + width;
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}
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if (curPageStop == curPageStart)
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{
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curPageStart = i->mRect.top;
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curPageStop = i->mRect.top;
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}
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int spaceLeft = mPageHeight - (curPageStop - curPageStart);
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int sectionHeight = i->mRect.height ();
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if (sectionHeight <= mPageHeight)
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{
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if (sectionHeight > spaceLeft)
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{
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assert (curPageStart != curPageStop);
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mBook->mPages.push_back (Page (curPageStart, curPageStop));
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curPageStart = i->mRect.top;
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curPageStop = i->mRect.bottom;
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}
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else
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curPageStop = i->mRect.bottom;
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}
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else
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{
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//split section
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}
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}
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if (curPageStart != curPageStop)
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mBook->mPages.push_back (Page (curPageStart, curPageStop));
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return mBook;
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}
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void writeImpl (StyleImpl * style, Utf8Stream::Point _begin, Utf8Stream::Point _end)
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{
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int line_height = style->mFont->getDefaultHeight ();
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Utf8Stream stream (_begin, _end);
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while (!stream.eof ())
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{
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if (ucsLineBreak (stream.peek ()))
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{
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stream.consume ();
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mLine = NULL, mRun = NULL;
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continue;
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}
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int word_width = 0;
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int word_height = 0;
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int space_width = 0;
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int character_count = 0;
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Utf8Stream::Point lead = stream.current ();
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while (!stream.eof () && !ucsLineBreak (stream.peek ()) && ucsBreakingSpace (stream.peek ()))
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{
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MyGUI::GlyphInfo* gi = style->mFont->getGlyphInfo (stream.peek ());
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if (gi)
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space_width += gi->advance + gi->bearingX;
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stream.consume ();
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}
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Utf8Stream::Point origin = stream.current ();
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while (!stream.eof () && !ucsLineBreak (stream.peek ()) && !ucsBreakingSpace (stream.peek ()))
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{
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MyGUI::GlyphInfo* gi = style->mFont->getGlyphInfo (stream.peek ());
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if (gi)
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word_width += gi->advance + gi->bearingX;
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word_height = line_height;
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++character_count;
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stream.consume ();
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}
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Utf8Stream::Point extent = stream.current ();
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if (lead == extent)
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break;
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int left = mLine ? mLine->mRect.right : 0;
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if (left + space_width + word_width > mPageWidth)
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{
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mLine = NULL, mRun = NULL;
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append_run (style, origin, extent, extent - origin, word_width, mBook->mRect.bottom + word_height);
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}
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else
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{
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int top = mLine ? mLine->mRect.top : mBook->mRect.bottom;
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append_run (style, lead, extent, extent - origin, left + space_width + word_width, top + word_height);
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}
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}
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}
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void append_run (StyleImpl * style, Utf8Stream::Point begin, Utf8Stream::Point end, int pc, int right, int bottom)
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{
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if (mSection == NULL)
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{
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mBook->mSections.push_back (Section ());
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mSection = &mBook->mSections.back ();
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mSection->mRect = MyGUI::IntRect (0, mBook->mRect.bottom, 0, mBook->mRect.bottom);
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mSectionAlignment.push_back (mCurrentAlignment);
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}
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if (mLine == NULL)
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{
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mSection->mLines.push_back (Line ());
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mLine = &mSection->mLines.back ();
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mLine->mRect = MyGUI::IntRect (0, mSection->mRect.bottom, 0, mBook->mRect.bottom);
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}
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if (mBook->mRect.right < right)
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mBook->mRect.right = right;
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if (mBook->mRect.bottom < bottom)
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mBook->mRect.bottom = bottom;
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if (mSection->mRect.right < right)
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mSection->mRect.right = right;
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if (mSection->mRect.bottom < bottom)
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mSection->mRect.bottom = bottom;
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if (mLine->mRect.right < right)
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mLine->mRect.right = right;
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if (mLine->mRect.bottom < bottom)
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mLine->mRect.bottom = bottom;
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if (mRun == NULL || mRun->mStyle != style || mRun->mRange.second != begin)
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{
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int left = mRun ? mRun->mRight : mLine->mRect.left;
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mLine->mRuns.push_back (Run ());
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mRun = &mLine->mRuns.back ();
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mRun->mStyle = style;
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mRun->mLeft = left;
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mRun->mRight = right;
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mRun->mRange.first = begin;
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mRun->mRange.second = end;
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mRun->mPrintableChars = pc;
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//Run->Locale = Locale;
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}
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else
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{
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mRun->mRight = right;
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mRun->mRange.second = end;
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mRun->mPrintableChars += pc;
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}
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}
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};
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BookTypesetter::Ptr BookTypesetter::create (int pageWidth, int pageHeight)
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{
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return boost::make_shared <TypesetBookImpl::Typesetter> (pageWidth, pageHeight);
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}
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namespace
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{
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struct RenderXform
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{
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public:
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float clipTop;
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float clipLeft;
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float clipRight;
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float clipBottom;
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float absoluteLeft;
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float absoluteTop;
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float leftOffset;
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float topOffset;
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float pixScaleX;
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float pixScaleY;
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float hOffset;
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float vOffset;
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RenderXform (MyGUI::ICroppedRectangle* croppedParent, MyGUI::RenderTargetInfo const & renderTargetInfo)
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{
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clipTop = croppedParent->_getMarginTop ();
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clipLeft = croppedParent->_getMarginLeft ();
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clipRight = croppedParent->getWidth () - croppedParent->_getMarginRight ();
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clipBottom = croppedParent->getHeight () - croppedParent->_getMarginBottom ();
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absoluteLeft = croppedParent->getAbsoluteLeft();
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absoluteTop = croppedParent->getAbsoluteTop();
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leftOffset = renderTargetInfo.leftOffset;
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topOffset = renderTargetInfo.topOffset;
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|
|
pixScaleX = renderTargetInfo.pixScaleX;
|
|
pixScaleY = renderTargetInfo.pixScaleY;
|
|
hOffset = renderTargetInfo.hOffset;
|
|
vOffset = renderTargetInfo.vOffset;
|
|
}
|
|
|
|
bool clip (MyGUI::FloatRect & vr, MyGUI::FloatRect & tr)
|
|
{
|
|
if (vr.bottom <= clipTop || vr.right <= clipLeft ||
|
|
vr.left >= clipRight || vr.top >= clipBottom )
|
|
return false;
|
|
|
|
if (vr.top < clipTop)
|
|
{
|
|
tr.top += tr.height () * (clipTop - vr.top) / vr.height ();
|
|
vr.top = clipTop;
|
|
}
|
|
|
|
if (vr.left < clipLeft)
|
|
{
|
|
tr.left += tr.width () * (clipLeft - vr.left) / vr.width ();
|
|
vr.left = clipLeft;
|
|
}
|
|
|
|
if (vr.right > clipRight)
|
|
{
|
|
tr.right -= tr.width () * (vr.right - clipRight) / vr.width ();
|
|
vr.right = clipRight;
|
|
}
|
|
|
|
if (vr.bottom > clipBottom)
|
|
{
|
|
tr.bottom -= tr.height () * (vr.bottom - clipBottom) / vr.height ();
|
|
vr.bottom = clipBottom;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
MyGUI::FloatPoint operator () (MyGUI::FloatPoint pt)
|
|
{
|
|
pt.left = absoluteLeft - leftOffset + pt.left;
|
|
pt.top = absoluteTop - topOffset + pt.top;
|
|
|
|
pt.left = +(((pixScaleX * pt.left + hOffset) * 2.0f) - 1.0f);
|
|
pt.top = -(((pixScaleY * pt.top + vOffset) * 2.0f) - 1.0f);
|
|
|
|
return pt;
|
|
}
|
|
};
|
|
|
|
struct GlyphStream
|
|
{
|
|
float mZ;
|
|
uint32_t mC;
|
|
MyGUI::IFont* mFont;
|
|
MyGUI::FloatPoint mOrigin;
|
|
MyGUI::FloatPoint mCursor;
|
|
MyGUI::Vertex* mVertices;
|
|
RenderXform mRenderXform;
|
|
MyGUI::VertexColourType mVertexColourType;
|
|
|
|
GlyphStream (MyGUI::IFont* font, float left, float top, float Z,
|
|
MyGUI::Vertex* vertices, RenderXform const & renderXform) :
|
|
mZ(Z), mOrigin (left, top),
|
|
mFont (font), mVertices (vertices),
|
|
mRenderXform (renderXform)
|
|
{
|
|
mVertexColourType = MyGUI::RenderManager::getInstance().getVertexFormat();
|
|
}
|
|
|
|
~GlyphStream ()
|
|
{
|
|
}
|
|
|
|
MyGUI::Vertex* end () const { return mVertices; }
|
|
|
|
void reset (float left, float top, MyGUI::Colour colour)
|
|
{
|
|
mC = MyGUI::texture_utility::toColourARGB(colour) | 0xFF000000;
|
|
MyGUI::texture_utility::convertColour(mC, mVertexColourType);
|
|
|
|
mCursor.left = mOrigin.left + left;
|
|
mCursor.top = mOrigin.top + top;
|
|
}
|
|
|
|
void emitGlyph (wchar_t ch)
|
|
{
|
|
MyGUI::GlyphInfo* gi = mFont->getGlyphInfo (ch);
|
|
|
|
if (!gi)
|
|
return;
|
|
|
|
MyGUI::FloatRect vr;
|
|
|
|
vr.left = mCursor.left + gi->bearingX;
|
|
vr.top = mCursor.top + gi->bearingY;
|
|
vr.right = vr.left + gi->width;
|
|
vr.bottom = vr.top + gi->height;
|
|
|
|
MyGUI::FloatRect tr = gi->uvRect;
|
|
|
|
if (mRenderXform.clip (vr, tr))
|
|
quad (vr, tr);
|
|
|
|
mCursor.left += gi->bearingX + gi->advance;
|
|
}
|
|
|
|
void emitSpace (wchar_t ch)
|
|
{
|
|
MyGUI::GlyphInfo* gi = mFont->getGlyphInfo (ch);
|
|
|
|
if (gi)
|
|
mCursor.left += gi->bearingX + gi->advance;
|
|
}
|
|
|
|
private:
|
|
|
|
void quad (const MyGUI::FloatRect& vr, const MyGUI::FloatRect& tr)
|
|
{
|
|
vertex (vr.left, vr.top, tr.left, tr.top);
|
|
vertex (vr.right, vr.top, tr.right, tr.top);
|
|
vertex (vr.left, vr.bottom, tr.left, tr.bottom);
|
|
vertex (vr.right, vr.top, tr.right, tr.top);
|
|
vertex (vr.left, vr.bottom, tr.left, tr.bottom);
|
|
vertex (vr.right, vr.bottom, tr.right, tr.bottom);
|
|
}
|
|
|
|
void vertex (float x, float y, float u, float v)
|
|
{
|
|
MyGUI::FloatPoint pt = mRenderXform (MyGUI::FloatPoint (x, y));
|
|
|
|
mVertices->x = pt.left;
|
|
mVertices->y = pt.top ;
|
|
mVertices->z = mZ;
|
|
mVertices->u = u;
|
|
mVertices->v = v;
|
|
mVertices->colour = mC;
|
|
|
|
++mVertices;
|
|
}
|
|
};
|
|
}
|
|
|
|
class PageDisplay : public MyGUI::ISubWidgetText
|
|
{
|
|
MYGUI_RTTI_DERIVED(PageDisplay)
|
|
protected:
|
|
|
|
typedef TypesetBookImpl::Section Section;
|
|
typedef TypesetBookImpl::Line Line;
|
|
typedef TypesetBookImpl::Run Run;
|
|
|
|
struct TextFormat : ISubWidget
|
|
{
|
|
typedef MyGUI::IFont* Id;
|
|
|
|
Id mFont;
|
|
int mCountVertex;
|
|
MyGUI::ITexture* mTexture;
|
|
MyGUI::RenderItem* mRenderItem;
|
|
PageDisplay * mDisplay;
|
|
|
|
TextFormat (MyGUI::IFont* id, PageDisplay * display) :
|
|
mFont (id),
|
|
mTexture (NULL),
|
|
mRenderItem (NULL),
|
|
mDisplay (display),
|
|
mCountVertex (0)
|
|
{
|
|
}
|
|
|
|
void createDrawItem (MyGUI::ILayerNode* node)
|
|
{
|
|
assert (mRenderItem == NULL);
|
|
|
|
if (mTexture != NULL)
|
|
{
|
|
mRenderItem = node->addToRenderItem(mTexture, false, false);
|
|
mRenderItem->addDrawItem(this, mCountVertex);
|
|
}
|
|
}
|
|
|
|
void destroyDrawItem (MyGUI::ILayerNode* node)
|
|
{
|
|
assert (mTexture != NULL ? mRenderItem != NULL : mRenderItem == NULL);
|
|
|
|
if (mTexture != NULL)
|
|
{
|
|
mRenderItem->removeDrawItem (this);
|
|
mRenderItem = NULL;
|
|
}
|
|
}
|
|
|
|
void doRender() { mDisplay->doRender (*this); }
|
|
|
|
// this isn't really a sub-widget, its just a "drawitem" which
|
|
// should have its own interface
|
|
void createDrawItem(MyGUI::ITexture* _texture, MyGUI::ILayerNode* _node) {}
|
|
void destroyDrawItem() {};
|
|
};
|
|
|
|
public:
|
|
|
|
typedef TypesetBookImpl::StyleImpl Style;
|
|
typedef std::map <TextFormat::Id, TextFormat*> ActiveTextFormats;
|
|
|
|
int mViewTop;
|
|
int mViewBottom;
|
|
|
|
Style* mFocusItem;
|
|
bool mItemActive;
|
|
MyGUI::MouseButton mLastDown;
|
|
boost::function <void (intptr_t)> mLinkClicked;
|
|
|
|
|
|
boost::shared_ptr <TypesetBookImpl> mBook;
|
|
size_t mPage;
|
|
|
|
MyGUI::ILayerNode* mNode;
|
|
ActiveTextFormats mActiveTextFormats;
|
|
|
|
PageDisplay ()
|
|
{
|
|
mPage = -1;
|
|
}
|
|
|
|
void dirtyFocusItem ()
|
|
{
|
|
if (mFocusItem != 0)
|
|
{
|
|
MyGUI::IFont* Font = mBook->affectedFont (mFocusItem);
|
|
|
|
ActiveTextFormats::iterator i = mActiveTextFormats.find (Font);
|
|
|
|
mNode->outOfDate (i->second->mRenderItem);
|
|
}
|
|
}
|
|
|
|
void onMouseLostFocus ()
|
|
{
|
|
if (!mBook)
|
|
return;
|
|
|
|
dirtyFocusItem ();
|
|
|
|
mFocusItem = 0;
|
|
mItemActive = false;
|
|
}
|
|
|
|
void onMouseMove (int left, int top)
|
|
{
|
|
if (!mBook)
|
|
return;
|
|
|
|
left -= mCroppedParent->getAbsoluteLeft ();
|
|
top -= mCroppedParent->getAbsoluteTop ();
|
|
|
|
Style * Hit = mBook->hitTest (left, mViewTop + top);
|
|
|
|
if (mLastDown == MyGUI::MouseButton::None)
|
|
{
|
|
if (Hit != mFocusItem)
|
|
{
|
|
dirtyFocusItem ();
|
|
|
|
mFocusItem = Hit;
|
|
mItemActive = false;
|
|
|
|
dirtyFocusItem ();
|
|
}
|
|
}
|
|
else
|
|
if (mFocusItem != 0)
|
|
{
|
|
bool newItemActive = Hit == mFocusItem;
|
|
|
|
if (newItemActive != mItemActive)
|
|
{
|
|
mItemActive = newItemActive;
|
|
|
|
dirtyFocusItem ();
|
|
}
|
|
}
|
|
}
|
|
|
|
void onMouseButtonPressed (int left, int top, MyGUI::MouseButton id)
|
|
{
|
|
if (!mBook)
|
|
return;
|
|
|
|
left -= mCroppedParent->getAbsoluteLeft ();
|
|
top -= mCroppedParent->getAbsoluteTop ();
|
|
|
|
if (mLastDown == MyGUI::MouseButton::None)
|
|
{
|
|
mFocusItem = mBook->hitTest (left, mViewTop + top);
|
|
mItemActive = true;
|
|
|
|
dirtyFocusItem ();
|
|
|
|
mLastDown = id;
|
|
}
|
|
}
|
|
|
|
void onMouseButtonReleased(int left, int top, MyGUI::MouseButton id)
|
|
{
|
|
if (!mBook)
|
|
return;
|
|
|
|
left -= mCroppedParent->getAbsoluteLeft ();
|
|
top -= mCroppedParent->getAbsoluteTop ();
|
|
|
|
if (mLastDown == id)
|
|
{
|
|
Style * mItem = mBook->hitTest (left, mViewTop + top);
|
|
|
|
bool clicked = mFocusItem == mItem;
|
|
|
|
mItemActive = false;
|
|
|
|
dirtyFocusItem ();
|
|
|
|
mLastDown = MyGUI::MouseButton::None;
|
|
|
|
if (clicked && mLinkClicked && mItem && mItem->mInteractiveId != 0)
|
|
mLinkClicked (mItem->mInteractiveId);
|
|
}
|
|
}
|
|
|
|
void showPage (TypesetBook::Ptr book, size_t newPage)
|
|
{
|
|
boost::shared_ptr <TypesetBookImpl> newBook = boost::dynamic_pointer_cast <TypesetBookImpl> (book);
|
|
|
|
if (mBook != newBook)
|
|
{
|
|
mFocusItem = nullptr;
|
|
mItemActive = 0;
|
|
|
|
for (ActiveTextFormats::iterator i = mActiveTextFormats.begin (); i != mActiveTextFormats.end (); ++i)
|
|
{
|
|
if (mNode != NULL)
|
|
i->second->destroyDrawItem (mNode);
|
|
delete i->second;
|
|
}
|
|
|
|
mActiveTextFormats.clear ();
|
|
|
|
if (newBook != NULL)
|
|
{
|
|
createActiveFormats (newBook);
|
|
|
|
mBook = newBook;
|
|
mPage = newPage;
|
|
|
|
if (newPage < mBook->mPages.size ())
|
|
{
|
|
mViewTop = mBook->mPages [newPage].first;
|
|
mViewBottom = mBook->mPages [newPage].second;
|
|
}
|
|
else
|
|
{
|
|
mViewTop = 0;
|
|
mViewBottom = 0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
mBook.reset ();
|
|
mPage = -1;
|
|
mViewTop = 0;
|
|
mViewBottom = 0;
|
|
}
|
|
}
|
|
else
|
|
if (mBook && mPage != newPage)
|
|
{
|
|
if (mNode != NULL)
|
|
for (ActiveTextFormats::iterator i = mActiveTextFormats.begin (); i != mActiveTextFormats.end (); ++i)
|
|
mNode->outOfDate(i->second->mRenderItem);
|
|
|
|
mPage = newPage;
|
|
|
|
if (newPage < mBook->mPages.size ())
|
|
{
|
|
mViewTop = mBook->mPages [newPage].first;
|
|
mViewBottom = mBook->mPages [newPage].second;
|
|
}
|
|
else
|
|
{
|
|
mViewTop = 0;
|
|
mViewBottom = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
struct CreateActiveFormat
|
|
{
|
|
PageDisplay * this_;
|
|
|
|
CreateActiveFormat (PageDisplay * this_) : this_ (this_) {}
|
|
|
|
void operator () (Section const & section, Line const & line, Run const & run) const
|
|
{
|
|
MyGUI::IFont* Font = run.mStyle->mFont;
|
|
|
|
ActiveTextFormats::iterator j = this_->mActiveTextFormats.find (Font);
|
|
|
|
if (j == this_->mActiveTextFormats.end ())
|
|
{
|
|
TextFormat * textFormat = new TextFormat (Font, this_);
|
|
|
|
textFormat->mTexture = Font->getTextureFont ();
|
|
|
|
j = this_->mActiveTextFormats.insert (std::make_pair (Font, textFormat)).first;
|
|
}
|
|
|
|
j->second->mCountVertex += run.mPrintableChars * 6;
|
|
}
|
|
};
|
|
|
|
void createActiveFormats (boost::shared_ptr <TypesetBookImpl> newBook)
|
|
{
|
|
newBook->visitRuns (0, 0x7FFFFFFF, CreateActiveFormat (this));
|
|
|
|
if (mNode != NULL)
|
|
for (ActiveTextFormats::iterator i = mActiveTextFormats.begin (); i != mActiveTextFormats.end (); ++i)
|
|
i->second->createDrawItem (mNode);
|
|
}
|
|
|
|
void setVisible (bool newVisible)
|
|
{
|
|
if (mVisible == newVisible)
|
|
return;
|
|
|
|
mVisible = newVisible;
|
|
|
|
if (mVisible)
|
|
{
|
|
// reset input state
|
|
mLastDown = MyGUI::MouseButton::None;
|
|
mFocusItem = nullptr;
|
|
mItemActive = 0;
|
|
}
|
|
|
|
if (nullptr != mNode)
|
|
{
|
|
for (ActiveTextFormats::iterator i = mActiveTextFormats.begin (); i != mActiveTextFormats.end (); ++i)
|
|
mNode->outOfDate(i->second->mRenderItem);
|
|
}
|
|
}
|
|
|
|
void createDrawItem(MyGUI::ITexture* texture, MyGUI::ILayerNode* node)
|
|
{
|
|
//test ();
|
|
|
|
mNode = node;
|
|
|
|
for (ActiveTextFormats::iterator i = mActiveTextFormats.begin (); i != mActiveTextFormats.end (); ++i)
|
|
i->second->createDrawItem (node);
|
|
}
|
|
|
|
struct RenderRun
|
|
{
|
|
PageDisplay * this_;
|
|
GlyphStream &glyphStream;
|
|
|
|
RenderRun (PageDisplay * this_, GlyphStream &glyphStream) :
|
|
this_(this_), glyphStream (glyphStream)
|
|
{
|
|
}
|
|
|
|
void operator () (Section const & section, Line const & line, Run const & run) const
|
|
{
|
|
bool isActive = run.mStyle->mInteractiveId && (run.mStyle == this_->mFocusItem);
|
|
|
|
MyGUI::Colour colour = isActive ? (this_->mItemActive ? run.mStyle->mActiveColour: run.mStyle->mHotColour) : run.mStyle->mNormalColour;
|
|
|
|
glyphStream.reset (section.mRect.left + line.mRect.left + run.mLeft, line.mRect.top, colour);
|
|
|
|
Utf8Stream stream (run.mRange);
|
|
|
|
while (!stream.eof ())
|
|
{
|
|
Utf8Stream::UnicodeChar code_point = stream.consume ();
|
|
|
|
if (!ucsSpace (code_point))
|
|
glyphStream.emitGlyph (code_point);
|
|
else
|
|
glyphStream.emitSpace (code_point);
|
|
}
|
|
}
|
|
};
|
|
|
|
/*
|
|
queue up rendering operations for this text format
|
|
*/
|
|
void doRender(TextFormat & textFormat)
|
|
{
|
|
if (!mVisible)
|
|
return;
|
|
|
|
MyGUI::Vertex* vertices = textFormat.mRenderItem->getCurrentVertexBuffer();
|
|
|
|
RenderXform renderXform (mCroppedParent, textFormat.mRenderItem->getRenderTarget()->getInfo());
|
|
|
|
GlyphStream glyphStream (textFormat.mFont, mCoord.left, mCoord.top-mViewTop,
|
|
-1 /*mNode->getNodeDepth()*/, vertices, renderXform);
|
|
|
|
int visit_top = (std::max) (mViewTop, mViewTop + int (renderXform.clipTop ));
|
|
int visit_bottom = (std::min) (mViewBottom, mViewTop + int (renderXform.clipBottom));
|
|
|
|
mBook->visitRuns (visit_top, visit_bottom, textFormat.mFont, RenderRun (this, glyphStream));
|
|
|
|
textFormat.mRenderItem->setLastVertexCount(glyphStream.end () - vertices);
|
|
}
|
|
|
|
// ISubWidget should not necessarily be a drawitem
|
|
// in this case, it is not...
|
|
void doRender() { }
|
|
|
|
void _updateView ()
|
|
{
|
|
}
|
|
|
|
void _correctView()
|
|
{
|
|
_checkMargin ();
|
|
|
|
if (mNode != NULL)
|
|
for (ActiveTextFormats::iterator i = mActiveTextFormats.begin (); i != mActiveTextFormats.end (); ++i)
|
|
mNode->outOfDate (i->second->mRenderItem);
|
|
|
|
}
|
|
|
|
void destroyDrawItem()
|
|
{
|
|
for (ActiveTextFormats::iterator i = mActiveTextFormats.begin (); i != mActiveTextFormats.end (); ++i)
|
|
i->second->destroyDrawItem (mNode);
|
|
|
|
mNode = NULL;
|
|
}
|
|
};
|
|
|
|
|
|
class BookPageImpl : public BookPage
|
|
{
|
|
MYGUI_RTTI_DERIVED(BookPage)
|
|
public:
|
|
|
|
|
|
void showPage (TypesetBook::Ptr book, size_t page)
|
|
{
|
|
if (PageDisplay* pd = dynamic_cast <PageDisplay*> (getSubWidgetText ()))
|
|
pd->showPage (book, page);
|
|
else
|
|
throw std::runtime_error ("The main sub-widget for a BookPage must be a PageDisplay.");
|
|
}
|
|
|
|
void adviseLinkClicked (boost::function <void (InteractiveId)> linkClicked)
|
|
{
|
|
if (PageDisplay* pd = dynamic_cast <PageDisplay*> (getSubWidgetText ()))
|
|
{
|
|
pd->mLinkClicked = linkClicked;
|
|
}
|
|
}
|
|
|
|
void unadviseLinkClicked ()
|
|
{
|
|
if (PageDisplay* pd = dynamic_cast <PageDisplay*> (getSubWidgetText ()))
|
|
{
|
|
pd->mLinkClicked = boost::function <void (InteractiveId)> ();
|
|
}
|
|
}
|
|
|
|
protected:
|
|
void onMouseLostFocus(Widget* _new)
|
|
{
|
|
if (PageDisplay* pd = dynamic_cast <PageDisplay*> (getSubWidgetText ()))
|
|
{
|
|
pd->onMouseLostFocus ();
|
|
}
|
|
else
|
|
Widget::onMouseLostFocus (_new);
|
|
}
|
|
|
|
void onMouseMove(int left, int top)
|
|
{
|
|
if (PageDisplay* pd = dynamic_cast <PageDisplay*> (getSubWidgetText ()))
|
|
{
|
|
pd->onMouseMove (left, top);
|
|
}
|
|
else
|
|
Widget::onMouseMove (left, top);
|
|
}
|
|
|
|
void onMouseButtonPressed (int left, int top, MyGUI::MouseButton id)
|
|
{
|
|
if (PageDisplay* pd = dynamic_cast <PageDisplay*> (getSubWidgetText ()))
|
|
{
|
|
pd->onMouseButtonPressed (left, top, id);
|
|
}
|
|
else
|
|
Widget::onMouseButtonPressed (left, top, id);
|
|
}
|
|
|
|
void onMouseButtonReleased(int left, int top, MyGUI::MouseButton id)
|
|
{
|
|
if (PageDisplay* pd = dynamic_cast <PageDisplay*> (getSubWidgetText ()))
|
|
{
|
|
pd->onMouseButtonReleased (left, top, id);
|
|
}
|
|
else
|
|
Widget::onMouseButtonReleased (left, top, id);
|
|
}
|
|
};
|
|
|
|
void BookPage::registerMyGUIComponents ()
|
|
{
|
|
MyGUI::FactoryManager & factory = MyGUI::FactoryManager::getInstance();
|
|
|
|
factory.registerFactory<BookPageImpl>("Widget");
|
|
factory.registerFactory<PageDisplay>("BasisSkin");
|
|
}
|
|
|
|
static bool ucsLineBreak (int codePoint)
|
|
{
|
|
return codePoint == '\n';
|
|
}
|
|
|
|
static bool ucsSpace (int codePoint)
|
|
{
|
|
switch (codePoint)
|
|
{
|
|
case 0x0020: // SPACE
|
|
case 0x00A0: // NO-BREAK SPACE
|
|
case 0x1680: // OGHAM SPACE MARK
|
|
case 0x180E: // MONGOLIAN VOWEL SEPARATOR
|
|
case 0x2000: // EN QUAD
|
|
case 0x2001: // EM QUAD
|
|
case 0x2002: // EN SPACE
|
|
case 0x2003: // EM SPACE
|
|
case 0x2004: // THREE-PER-EM SPACE
|
|
case 0x2005: // FOUR-PER-EM SPACE
|
|
case 0x2006: // SIX-PER-EM SPACE
|
|
case 0x2007: // FIGURE SPACE
|
|
case 0x2008: // PUNCTUATION SPACE
|
|
case 0x2009: // THIN SPACE
|
|
case 0x200A: // HAIR SPACE
|
|
case 0x200B: // ZERO WIDTH SPACE
|
|
case 0x202F: // NARROW NO-BREAK SPACE
|
|
case 0x205F: // MEDIUM MATHEMATICAL SPACE
|
|
case 0x3000: // IDEOGRAPHIC SPACE
|
|
case 0xFEFF: // ZERO WIDTH NO-BREAK SPACE
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
static bool ucsBreakingSpace (int codePoint)
|
|
{
|
|
switch (codePoint)
|
|
{
|
|
case 0x0020: // SPACE
|
|
//case 0x00A0: // NO-BREAK SPACE
|
|
case 0x1680: // OGHAM SPACE MARK
|
|
case 0x180E: // MONGOLIAN VOWEL SEPARATOR
|
|
case 0x2000: // EN QUAD
|
|
case 0x2001: // EM QUAD
|
|
case 0x2002: // EN SPACE
|
|
case 0x2003: // EM SPACE
|
|
case 0x2004: // THREE-PER-EM SPACE
|
|
case 0x2005: // FOUR-PER-EM SPACE
|
|
case 0x2006: // SIX-PER-EM SPACE
|
|
case 0x2007: // FIGURE SPACE
|
|
case 0x2008: // PUNCTUATION SPACE
|
|
case 0x2009: // THIN SPACE
|
|
case 0x200A: // HAIR SPACE
|
|
case 0x200B: // ZERO WIDTH SPACE
|
|
case 0x202F: // NARROW NO-BREAK SPACE
|
|
case 0x205F: // MEDIUM MATHEMATICAL SPACE
|
|
case 0x3000: // IDEOGRAPHIC SPACE
|
|
//case 0xFEFF: // ZERO WIDTH NO-BREAK SPACE
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
}
|