X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FBufferView.h;h=f1897cb96449ddb3c9cdeaba07afe070a80b0c92;hb=fc2658eff011adb08192cf897416698c34aab268;hp=3f68b00cfd6b8eaccc2babd4b6189b477f178bdd;hpb=a43e822c98fdd7d0c69cdcf8913dcf840e59c97b;p=lyx.git diff --git a/src/BufferView.h b/src/BufferView.h index 3f68b00cfd..f1897cb964 100644 --- a/src/BufferView.h +++ b/src/BufferView.h @@ -15,39 +15,39 @@ #ifndef BUFFER_VIEW_H #define BUFFER_VIEW_H -#include "CoordCache.h" -#include "Cursor.h" -#include "MetricsInfo.h" -#include "TextMetrics.h" #include "update_flags.h" +#include "support/strfwd.h" #include "support/types.h" -#include -#include -#include - -#include -#include - - 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 Cursor; -class Text; +class Inset; +class Menu; class ParIterator; class ParagraphMetrics; -class ViewMetricsInfo; +class Point; +class Text; +class TextMetrics; + +enum CursorStatus { + CUR_INSIDE, + CUR_ABOVE, + CUR_BELOW +}; /// Scrollbar Parameters. struct ScrollbarParameters @@ -79,11 +79,11 @@ struct ScrollbarParameters * \sa Buffer * \sa CoordCache */ -class BufferView : boost::noncopyable { +class BufferView { public: /// BufferView(Buffer & buffer); - + /// ~BufferView(); /// return the buffer being viewed. @@ -96,7 +96,7 @@ 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) @@ -105,6 +105,10 @@ public: void updateScrollbar(); /// return the Scrollbar Parameters. ScrollbarParameters const & scrollbarParameters() const; + /// \return Tool tip for the given position. + docstring toolTip(int x, int y) const; + /// \return the context menu for the given position. + docstring contextMenu(int x, int y) const; /// Save the current position as bookmark. /// if idx == 0, save to temp_bookmark @@ -126,10 +130,16 @@ public: /// set the cursor based on the given TeX source row. void setCursorFromRow(int row); - /// center the document view around the cursor. - void center(); - /// scroll document by the given number of lines of default height. - void scroll(int lines); + /// Ensure the cursor is visible. + /// This method will automatically scroll and update the BufferView and updated + /// if needed. + void showCursor(); + /// 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. @@ -140,14 +150,15 @@ public: /// return the pixel height of the document view. int workHeight() const; + /// 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. - /// \return the Update::flags for further metrics update. - Update::flags dispatch(FuncRequest const & argument); + /// \return true if the function has been processed. + bool dispatch(FuncRequest const & argument); /// request an X11 selection. /// \return the selected string. @@ -161,12 +172,13 @@ public: /// 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. Cursor & cursor(); /// access to full cursor. @@ -179,7 +191,7 @@ public: bool checkDepm(Cursor & cur, Cursor & old); /// sets cursor. /// This is used when handling LFUN_MOUSE_PRESS. - bool mouseSetCursor(Cursor & cur); + bool mouseSetCursor(Cursor & cur, bool select = false); /// sets the selection. /* When \c backwards == false, set anchor @@ -190,14 +202,8 @@ public: void putSelectionAt(DocIterator const & cur, int length, bool backwards); - /// return the internal \c ViewMetricsInfo. - /// This is used specifically by the \c Workrea. - /// \sa WorkArea - /// \sa ViewMetricsInfo - ViewMetricsInfo const & viewMetricsInfo(); /// update the internal \c ViewMetricsInfo. - /// \param singlepar indicates wether - void updateMetrics(bool singlepar = false); + void updateMetrics(); /// TextMetrics const & textMetrics(Text const * t) const; @@ -206,47 +212,59 @@ public: 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; - - /// This signal is emitted when some inset dialogs needs to be shown. - boost::signal showInsetDialog; + void showDialog(std::string const & name, std::string const & data, + Inset * inset = 0); /// This signal is emitted when some dialogs needs to be updated. - boost::signal updateDialog; + void updateDialog(std::string const & name, std::string const & data); - /// This signal is emitted when the layout at the cursor is changed. - boost::signal layoutChanged; + /// + void setGuiDelegate(frontend::GuiBufferViewDelegate *); -private: /// - bool multiParSel(); + docstring contentsOfPlaintextFile(support::FileName const & f); + // Insert plain text file (if filename is empty, prompt for one) + void insertPlaintextFile(support::FileName const & f, bool asParagraph); + /// + void insertLyXFile(support::FileName const & f); + +private: + /// noncopyable + BufferView(BufferView const &); + void operator=(BufferView const &); + + // 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(); /// Search recursively for the the innermost inset that covers (x, y) position. /// \retval 0 if no inset is found. @@ -254,57 +272,27 @@ private: Text const & text, //< The Text where we start searching. int x, //< x-coordinate on screen int y //< y-coordinate on screen - ); + ) const; /// int width_; /// int height_; /// - ScrollbarParameters scrollbarParameters_; - - /// - 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_; - /// - Cursor cursor_; - /// - bool multiparsel_cache_; - /// - pit_type anchor_ref_; - /// - int offset_ref_; - /// - void updateOffsetRef(); - /// - bool need_centering_; - - /// keyboard mapping object. - boost::scoped_ptr const intl_; + struct Private; + Private * const d; +}; - /// last visited inset (kept to send setMouseHover(false) ) - Inset * last_inset_; +/// some space for drawing the 'nested' markers (in pixel) +inline int nestMargin() { return 15; } - /// A map from a Text 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