X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FBufferView.h;h=11efee42987ed6c784e400b1d845fcdf60c51cde;hb=09df753df4c24470617c64d25eae6df2db85dfed;hp=bceaf1f82fd92d4d6bdffc091c312130802d6bd6;hpb=5554e9ee284f11fb0b02587ff2775c0502db7cd4;p=lyx.git diff --git a/src/BufferView.h b/src/BufferView.h index bceaf1f82f..11efee4298 100644 --- a/src/BufferView.h +++ b/src/BufferView.h @@ -15,17 +15,13 @@ #ifndef BUFFER_VIEW_H #define BUFFER_VIEW_H -#include "coordcache.h" -#include "cursor.h" -#include "metricsinfo.h" -#include "TextMetrics.h" -#include "UpdateFlags.h" +#include "Dimension.h" +#include "update_flags.h" +#include "support/strfwd.h" #include "support/types.h" -#include -#include -#include +#include #include #include @@ -35,18 +31,30 @@ namespace lyx { namespace support { class FileName; } +namespace frontend { class Painter; } +namespace frontend { class GuiBufferViewDelegate; } + class Buffer; class Change; +class CoordCache; +class Cursor; class DocIterator; class FuncRequest; class FuncStatus; class Intl; -class LCursor; -class LyXText; +class Inset; class ParIterator; class ParagraphMetrics; +class Text; +class TextMetrics; class ViewMetricsInfo; +enum CursorStatus { + CUR_INSIDE, + CUR_ABOVE, + CUR_BELOW +}; + /// Scrollbar Parameters. struct ScrollbarParameters { @@ -72,29 +80,21 @@ struct ScrollbarParameters * is a sliding window of the entire document rendering. * It is the official interface between the LyX core and * the frontend WorkArea. - * + * * \sa WorkArea * \sa Buffer * \sa CoordCache */ class BufferView : boost::noncopyable { public: - BufferView(); - + /// + BufferView(Buffer & buffer); + /// ~BufferView(); - /// set the buffer we are viewing. - /// \todo FIXME: eventually, we will create a new BufferView - /// when switching Buffers, so this method should go. - void setBuffer(Buffer * b); /// return the buffer being viewed. - Buffer * buffer() const; - - /// resize the BufferView. - void resize(); - - /// load a buffer into the view. - bool loadLyXFile(support::FileName const & name, bool tolastfiles = true); + Buffer & buffer(); + Buffer const & buffer() const; /// perform pending metrics updates. /** \c Update::FitCursor means first to do a FitCursor, and to @@ -102,7 +102,7 @@ public: * \c Update::Force means to force an update in any case. * \retval true if a screen redraw is needed */ - bool update(Update::flags flags = Update::FitCursor | Update::Force); + void processUpdateFlags(Update::flags flags); /// move the screen to fit the cursor. /// Only to be called with good y coordinates (after a bv::metrics) @@ -113,24 +113,19 @@ public: ScrollbarParameters const & scrollbarParameters() const; /// Save the current position as bookmark. - /// if persistent=false, save to temp_bookmark - void saveBookmark(bool persistent); - /// goto a specified position, try par_id first, and then par_pit - /// return the par_pit and par_id of the new paragraph - boost::tuple moveToPosition( - pit_type par_pit, ///< Paragraph pit, used when par_id is zero or invalid. - int par_id, ///< Paragraph ID, \sa Paragraph - pos_type par_pos ///< Position in the \c Paragraph + /// if idx == 0, save to temp_bookmark + void saveBookmark(unsigned int idx); + /// goto a specified position, try top_id first, and then bottom_pit. + /// \return true if success + bool moveToPosition( + pit_type bottom_pit, ///< Paragraph pit, used when par_id is zero or invalid. + pos_type bottom_pos, ///< Paragraph pit, used when par_id is zero or invalid. + int top_id, ///< Paragraph ID, \sa Paragraph + pos_type top_pos ///< Position in the \c Paragraph ); /// return the current change at the cursor. Change const getCurrentChange() const; - /// return the lyxtext we are using. - LyXText * getLyXText(); - - /// return the lyxtext we are using. - LyXText const * getLyXText() const; - /// move cursor to the named label. void gotoLabel(docstring const & label); @@ -139,8 +134,12 @@ public: /// center the document view around the cursor. void center(); - /// scroll document by the given number of lines of default height. - void scroll(int lines); + /// scroll down document by the given number of pixels. + void scrollDown(int pixels); + /// scroll up document by the given number of pixels. + void scrollUp(int pixels); + /// scroll document by the given number of pixels. + void scroll(int pixels); /// Scroll the view by a number of pixels. void scrollDocView(int pixels); /// Set the cursor position based on the scrollbar one. @@ -151,13 +150,14 @@ public: /// return the pixel height of the document view. int workHeight() const; - /// switch between primary and secondary keymaps for RTL entry. - void switchKeyMap(); + /// translate and insert a character, using the correct keymap. + void translateAndInsert(char_type c, Text * t, Cursor & cur); /// return true for events that will handle. FuncStatus getStatus(FuncRequest const & cmd); /// execute the given function. - bool dispatch(FuncRequest const & argument); + /// \return the Update::flags for further metrics update. + Update::flags dispatch(FuncRequest const & argument); /// request an X11 selection. /// \return the selected string. @@ -165,32 +165,32 @@ public: /// clear the X11 selection. void clearSelection(); - /// resize method helper for \c WorkArea + /// resize the BufferView. /// \sa WorkArea - /// \sa resise - void workAreaResize(int width, int height); + void resize(int width, int height); /// dispatch method helper for \c WorkArea /// \sa WorkArea - /// \retval true if a redraw is needed - bool workAreaDispatch(FuncRequest const & ev); + void mouseEventDispatch(FuncRequest const & ev); /// access to anchor. pit_type anchor_ref() const; + /// + CursorStatus cursorStatus(DocIterator const & dit) const; /// access to full cursor. - LCursor & cursor(); + Cursor & cursor(); /// access to full cursor. - LCursor const & cursor() const; + Cursor const & cursor() const; /// sets cursor. /// This will also open all relevant collapsable insets. void setCursor(DocIterator const &); /// Check deleteEmptyParagraphMechanism and update metrics if needed. /// \retval true if an update was needed. - bool checkDepm(LCursor & cur, LCursor & old); + bool checkDepm(Cursor & cur, Cursor & old); /// sets cursor. /// This is used when handling LFUN_MOUSE_PRESS. - bool mouseSetCursor(LCursor & cur); + bool mouseSetCursor(Cursor & cur, bool select = false); /// sets the selection. /* When \c backwards == false, set anchor @@ -211,94 +211,97 @@ public: void updateMetrics(bool singlepar = false); /// - TextMetrics const & textMetrics(LyXText const * t) const; - TextMetrics & textMetrics(LyXText const * t); + TextMetrics const & textMetrics(Text const * t) const; + TextMetrics & textMetrics(Text const * t); /// - ParagraphMetrics const & parMetrics(LyXText const *, pit_type) const; + ParagraphMetrics const & parMetrics(Text const *, pit_type) const; /// - CoordCache & coordCache() { - return coord_cache_; - } + CoordCache & coordCache(); /// - CoordCache const & coordCache() const { - return coord_cache_; - } + CoordCache const & coordCache() const; + + /// + Point getPos(DocIterator const & dit, bool boundary) const; + + + /// + void draw(frontend::Painter & pain); + /// get this view's keyboard map handler. - Intl & getIntl() { return *intl_.get(); } + Intl & getIntl(); /// - Intl const & getIntl() const { return *intl_.get(); } + Intl const & getIntl() const; + // + // Messages to the GUI + // /// This signal is emitted when some message shows up. - boost::signal message; + void message(docstring const & msg); /// This signal is emitted when some dialog needs to be shown. - boost::signal showDialog; + void showDialog(std::string const & name); /// This signal is emitted when some dialog needs to be shown with /// some data. - boost::signal showDialogWithData; + void showDialogWithData(std::string const & name, std::string const & data); /// This signal is emitted when some inset dialogs needs to be shown. - boost::signal showInsetDialog; + void showInsetDialog(std::string const & name, std::string const & data, + Inset * inset); /// This signal is emitted when some dialogs needs to be updated. - boost::signal updateDialog; + void updateDialog(std::string const & name, std::string const & data); + + /// + void setGuiDelegate(frontend::GuiBufferViewDelegate *); - /// This signal is emitted when the layout at the cursor is changed. - boost::signal layoutChanged; + /// + docstring contentsOfPlaintextFile(std::string const & f, bool asParagraph); + // Insert plain text file (if filename is empty, prompt for one) + void insertPlaintextFile(std::string const & fileName, bool asParagraph); private: + // the position relative to (0, baseline) of outermost paragraph + Point coordOffset(DocIterator const & dit, bool boundary) const; + /// Update current paragraph metrics. + /// \return true if no further update is needed. + bool singleParUpdate(); /// bool multiParSel(); + + /// Search recursively for the the innermost inset that covers (x, y) position. + /// \retval 0 if no inset is found. + Inset const * getCoveringInset( + Text const & text, //< The Text where we start searching. + int x, //< x-coordinate on screen + int y //< y-coordinate on screen + ); + /// int width_; /// int height_; /// - ScrollbarParameters scrollbarParameters_; + Buffer & buffer_; - /// - ViewMetricsInfo metrics_info_; - /// - CoordCache coord_cache_; - /// - Buffer * buffer_; - - /// Estimated average par height for scrollbar. - int wh_; /// void menuInsertLyXFile(std::string const & filen); - /// this is used to handle XSelection events in the right manner. - struct { - CursorSlice cursor; - CursorSlice anchor; - bool set; - } xsel_cache_; - /// - LCursor cursor_; - /// - bool multiparsel_cache_; - /// - pit_type anchor_ref_; - /// - int offset_ref_; + void updateOffsetRef(); - /// keyboard mapping object. - boost::scoped_ptr const intl_; + struct Private; + Private * const d; +}; - /// last visited inset (kept to send setMouseHover(false) ) - InsetBase * last_inset_; +/// some space for drawing the 'nested' markers (in pixel) +inline int nestMargin() { return 15; } - /// A map from a LyXText to the associated text metrics - typedef std::map TextMetricsCache; - mutable TextMetricsCache text_metrics_; -}; +/// margin for changebar +inline int changebarMargin() { return 12; } +/// right margin +inline int rightMargin() { return 10; } } // namespace lyx