X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FBufferView.h;h=ad725f2121861a598cc5c724758c4bc214035302;hb=96d9e748cf25dc704edba7fe07efd3d9ea274f11;hp=31b6e94fc484d70f451592857780e07cabc7c6b9;hpb=1db691c2f501c07c38ffaa69cd1af18e1f77f4dc;p=lyx.git diff --git a/src/BufferView.h b/src/BufferView.h index 31b6e94fc4..ad725f2121 100644 --- a/src/BufferView.h +++ b/src/BufferView.h @@ -15,7 +15,9 @@ #ifndef BUFFER_VIEW_H #define BUFFER_VIEW_H +#include "CoordCache.h" #include "DocumentClassPtr.h" +#include "TexRow.h" #include "update_flags.h" #include "support/strfwd.h" @@ -25,26 +27,27 @@ namespace lyx { namespace support { class FileName; } +namespace frontend { struct CaretGeometry; } namespace frontend { class Painter; } namespace frontend { class GuiBufferViewDelegate; } class Buffer; class Change; -class CoordCache; class Cursor; class CursorSlice; +class Dimension; class DispatchResult; class DocIterator; -class DocumentClass; class FuncRequest; class FuncStatus; class Intl; class Inset; -class PainterInfo; -class ParIterator; +class InsetMathNest; +class Length; +class MathData; +class MathRow; class ParagraphMetrics; class Point; -class TexRow; class Text; class TextMetrics; @@ -57,15 +60,15 @@ enum CursorStatus { /// Scrollbar Parameters. struct ScrollbarParameters { + // These parameters are normalized against the screen geometry and pixel + // coordinates. Position 0 corresponds to the top the the screen. ScrollbarParameters() - : min(0), max(0), position(0), single_step(1), page_step(1) + : min(0), max(0), single_step(1), page_step(1) {} /// Minimum scrollbar position in pixels. int min; /// Maximum scrollbar position in pixels. int max; - /// Current position in the document in pixels. - int position; /// Line-scroll amount in pixels. int single_step; /// Page-scroll amount in pixels. @@ -98,11 +101,32 @@ public: /// void setFullScreen(bool full_screen) { full_screen_ = full_screen; } + /// default value for the margins + int defaultMargin() const; /// right margin int rightMargin() const; - /// left margin int leftMargin() const; + /// top margin + int topMargin() const; + /// bottom margin + int bottomMargin() const; + + docstring const & searchRequestCache() const; + void setSearchRequestCache(docstring const & text); + + /// return the on-screen size of this length + /* + * This is a wrapper around Length::inPixels that uses the + * bufferview width as width and the EM value of the default + * document font. + */ + int inPixels(Length const & len) const; + + /** Return the number of pixels equivalent to \c pix pixels at + * 100dpi and 100% zoom. + */ + int zoomedPixels(int pix) const; /// \return true if the BufferView is at the top of the document. bool isTopScreen() const; @@ -110,11 +134,12 @@ public: /// \return true if the BufferView is at the bottom of the document. bool isBottomScreen() const; - /// perform pending metrics updates. - /** \c Update::FitCursor means first to do a FitCursor, and to + /// Add \p flags to current update flags and trigger an update. + /* If this method is invoked several times before the update + * actually takes place, the effect is cumulative. + * \c Update::FitCursor means first to do a FitCursor, and to * force an update if screen position changes. * \c Update::Force means to force an update in any case. - * \retval true if a screen redraw is needed */ void processUpdateFlags(Update::flags flags); @@ -125,21 +150,25 @@ public: // Returns the amount of horizontal scrolling applied to the // top-level row where the cursor lies int horizScrollOffset() const; + // Returns the amount of horizontal scrolling applied to the + // row of text starting at (pit, pos) + int horizScrollOffset(Text const * text, + pit_type pit, pos_type pos) const; - // Points to the top-level row where the cursor lies (during draw). - CursorSlice const & currentRowSlice() const; - - // Points to the top-level row where the cursor lied at last draw event. - CursorSlice const & lastRowSlice() const; - - /// reset the scrollbar to reflect current view position. - void updateScrollbar(); + /// reset the scrollbar parameters to reflect current view position. + void updateScrollbarParameters(); /// 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. std::string contextMenu(int x, int y) const; + /// \return the math inset with a context menu for the given position + Inset const * mathContextMenu(InsetMathNest const * inset, + CoordCache::Insets const & inset_cache, int x, int y) const; + /// \return the clickable math inset for the given position + Inset const * clickableMathInset(InsetMathNest const * inset, + CoordCache::Insets const & inset_cache, int x, int y) const; /// Save the current position as bookmark. /// if idx == 0, save to temp_bookmark @@ -159,9 +188,9 @@ public: void gotoLabel(docstring const & label); /// set the cursor based on the given TeX source row. - void setCursorFromRow(int row); - /// - void setCursorFromRow(int row, TexRow const & texrow); + bool setCursorFromRow(int row); + /// set the cursor based on the given start and end TextEntries. + bool setCursorFromEntries(TexRow::TextEntry start, TexRow::TextEntry end); /// set cursor to the given inset. Return true if found. bool setCursorFromInset(Inset const *); @@ -176,13 +205,13 @@ public: /// This method will automatically scroll and update the BufferView /// (metrics+drawing) if needed. /// \param recenter Whether the cursor should be centered on screen - void showCursor(DocIterator const & dit, bool recenter, + /// \param force If true, disregard current position + void showCursor(DocIterator const & dit, bool recenter, bool force, bool update); /// Scroll to the cursor. - void scrollToCursor(); - /// Scroll to the cursor. /// \param recenter Whether the cursor should be centered on screen - bool scrollToCursor(DocIterator const & dit, bool recenter); + /// \param force If true, disregard current position + bool scrollToCursor(DocIterator const & dit, bool recenter, bool force); /// scroll down document by the given number of pixels. int scrollDown(int pixels); /// scroll up document by the given number of pixels. @@ -202,7 +231,7 @@ public: /// return the inline completion postfix. docstring const & inlineCompletion() const; /// return the number of unique characters in the inline completion. - size_t const & inlineCompletionUniqueChars() const; + size_t inlineCompletionUniqueChars() const; /// return the position in the buffer of the inline completion postfix. DocIterator const & inlineCompletionPos() const; /// make sure inline completion position is OK @@ -222,7 +251,7 @@ public: /// request an X11 selection. /// \return the selected string. - docstring const requestSelection(); + docstring requestSelection(); /// clear the X11 selection. void clearSelection(); @@ -234,9 +263,6 @@ public: /// \sa WorkArea void mouseEventDispatch(FuncRequest const & ev); - /// access to anchor. - pit_type anchor_ref() const; - /// CursorStatus cursorStatus(DocIterator const & dit) const; /// access to full cursor. @@ -244,8 +270,10 @@ public: /// access to full cursor. Cursor const & cursor() const; /// sets cursor. - /// This will also open all relevant collapsable insets. + /// This will also open all relevant collapsible insets. void setCursor(DocIterator const &); + /// set the selection up to dit. + void setCursorSelectionTo(DocIterator const & dit); /// Check deleteEmptyParagraphMechanism and update metrics if needed. /// \retval true if an update was needed. bool checkDepm(Cursor & cur, Cursor & old); @@ -268,6 +296,10 @@ public: /// update the internal \c ViewMetricsInfo. void updateMetrics(); + // this is the "nodraw" drawing stage: only set the positions of the + // insets in metrics cache. + void updatePosCache(); + /// TextMetrics const & textMetrics(Text const * t) const; TextMetrics & textMetrics(Text const * t); @@ -279,18 +311,26 @@ public: /// CoordCache const & coordCache() const; + /// + MathRow const & mathRow(MathData const * cell) const; + /// + void setMathRow(MathData const * cell, MathRow const & mrow); + /// Point getPos(DocIterator const & dit) const; /// is the paragraph of the cursor visible ? bool paragraphVisible(DocIterator const & dit) const; - /// is the cursor currently visible in the view - bool cursorInView(Point const & p, int h) const; - /// get the position and height of the cursor - void cursorPosAndHeight(Point & p, int & h) const; - + /// is the caret currently visible in the view + bool caretInView() const; + /// get the position and height of the caret + void caretPosAndDim(Point & p, Dimension & dim) const; + /// compute the shape of the caret + void buildCaretGeometry(bool complet); + /// the shape of the caret + frontend::CaretGeometry const & caretGeometry() const; /// - void draw(frontend::Painter & pain); + void draw(frontend::Painter & pain, bool paint_caret); /// get this view's keyboard map handler. Intl & getIntl(); @@ -309,7 +349,7 @@ public: /// This signal is emitted when some dialog needs to be shown with /// some data. void showDialog(std::string const & name, std::string const & data, - Inset * inset = 0); + Inset * inset = nullptr); /// This signal is emitted when some dialogs needs to be updated. void updateDialog(std::string const & name, std::string const & data); @@ -322,7 +362,7 @@ public: // 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); + void insertLyXFile(support::FileName const & f, bool const ignorelang = false); /// save temporary bookmark for jump back navigation void bookmarkEditPosition(); /// Find and return the inset associated with given dialog name. @@ -335,6 +375,8 @@ public: bool clickableInset() const; /// void makeDocumentClass(); + /// Are we currently performing a selection with the mouse? + bool mouseSelecting() const; private: /// noncopyable @@ -346,13 +388,15 @@ private: /// Update current paragraph metrics. /// \return true if no further update is needed. bool singleParUpdate(); + /// do the work for the public updateMetrics() + void updateMetrics(Update::flags & update_flags); // Set the row on which the cursor lives. void setCurrentRowSlice(CursorSlice const & rowSlice); // Check whether the row where the cursor lives needs to be scrolled. // Update the drawing strategy if needed. - void checkCursorScrollOffset(PainterInfo & pi); + void checkCursorScrollOffset(); /// The minimal size of the document that is visible. Used /// when it is allowed to scroll below the document.