X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FCursor.h;h=a7111c2908d0dc57c699d768182370834d2407fd;hb=f7cfdc48a5c4ec4d9e52a39d37b76880583ec8ad;hp=178d4fed336818055d2abbad8f58331d29071d3d;hpb=481aff5aff28c0f63e331ddd8b2f2ca9c3d9c680;p=lyx.git diff --git a/src/Cursor.h b/src/Cursor.h index 178d4fed33..a7111c2908 100644 --- a/src/Cursor.h +++ b/src/Cursor.h @@ -36,19 +36,18 @@ class Encoding; /// The cursor class describes the position of a cursor within a document. - -// The public inheritance should go in favour of a suitable data member -// (or maybe private inheritance) at some point of time. class Cursor : public DocIterator { public: /// create the cursor of a BufferView explicit Cursor(BufferView & bv); + /// returns true if we made a decision + bool getStatus(FuncRequest const & cmd, FuncStatus & flag) const; /// dispatch from innermost inset upwards void dispatch(FuncRequest const & cmd); /// get the resut of the last dispatch - DispatchResult result() const; + DispatchResult const & result() const; /// add a new cursor slice void push(Inset & inset); /// add a new cursor slice, place cursor at front (move backwards) @@ -63,6 +62,8 @@ public: void leaveInset(Inset const & inset); /// sets cursor part void setCursor(DocIterator const & it); + /// sets the cursor to the normalized selection anchor + void setCursorToAnchor(); /// void setCurrentFont(); @@ -80,6 +81,10 @@ public: /// do we have a multiline selection? bool selIsMultiLine() const { return selection_ && selBegin().pit() != selEnd().pit(); } + /// + void setWordSelection(bool set) { word_selection_ = set; } + /// + bool wordSelection() { return word_selection_; } /// did we place the anchor? bool mark() const { return mark_; } /// did we place the anchor? @@ -106,7 +111,7 @@ public: */ bool selHandle(bool selecting); /// - docstring selectionAsString(bool label) const; + docstring selectionAsString(bool with_label) const; /// docstring currentState() const; @@ -193,20 +198,22 @@ public: int textTargetOffset() const; /// access to normalized selection anchor - CursorSlice anchor() const; + CursorSlice normalAnchor() const; + // FIXME: this can't be a const & and a const function because + // LFUN_TAB_* wants to move the real anchor. + /// access to real selection anchor + DocIterator & realAnchor(); /// sets anchor to cursor position void resetAnchor(); /// access to owning BufferView BufferView & bv() const; - /// access to owning Buffer - Buffer & buffer() const; /// get some interesting description of top position void info(odocstream & os) const; /// are we in math mode (2), text mode (1) or unsure (0)? int currentMode(); - /// reset cursor bottom to the beginning of the given inset + /// reset cursor bottom to the beginning of the top inset // (sort of 'chroot' environment...) - void reset(Inset &); + void reset(); /// for spellchecking void replaceWord(std::string const & replacestring); /** @@ -218,11 +225,17 @@ public: * Right Thing (even if my getStatus partner said that I can do it). * It is sort of a kludge that should be used only rarely... */ - void undispatched(); + void undispatched() const; /// the event was already dispatched - void dispatched(); - /// Set which update should be done - void updateFlags(Update::flags f); + void dispatched() const; + /// Set which screen update should be done + void screenUpdateFlags(Update::flags f) const; + /// Forces an updateBuffer() call + void forceBufferUpdate() const; + /// Removes any pending updateBuffer() call + void clearBufferUpdate() const; + /// Do we need to call updateBuffer()? + bool needBufferUpdate() const; /** * don't call update() when done * @@ -231,9 +244,9 @@ public: * not need to be re-drawn and all entries in the coord cache stay * valid (and there are no other things to put in the coord cache). * This is a fairly rare event as well and only some optimization. - * Not using noUpdate() should never be wrong. + * Not using noScreenUpdate() should never be wrong. */ - void noUpdate(); + void noScreenUpdate() const; /// fix cursor in circumstances that should never happen. /// \retval true if a fix occured. bool fixIfBroken(); @@ -267,7 +280,8 @@ public: void recordUndo(UndoKind kind = ATOMIC_UNDO) const; /// Convenience: prepare undo for the inset containing the cursor - void recordUndoInset(UndoKind kind = ATOMIC_UNDO) const; + void recordUndoInset(UndoKind kind = ATOMIC_UNDO, + Inset const * inset = 0) const; /// Convenience: prepare undo for the whole buffer void recordUndoFullDocument() const; @@ -278,19 +292,38 @@ public: /// void checkBufferStructure(); + /// hook for text input to maintain the "new born word" + void markNewWordPosition(); + + /// The position of the new born word + /// As the user is entering a word without leaving it + /// the result is not empty. When not in text mode + /// and after leaving the word the result is empty. + DocIterator newWord() const { return new_word_; } + public: - /// - BufferView * bv_; //private: - /// the anchor position - DocIterator anchor_; /// - DispatchResult disp_; + DocIterator const & beforeDispatchCursor() const { return beforeDispatchCursor_; } /// - DocIterator const & beforeDispatchCursor() { return beforeDispatchCursor_; } - + void saveBeforeDispatchPosXY(); + private: + /// validate the "new born word" position + void checkNewWordPosition(); + /// clear the "new born word" position + void clearNewWordPosition(); + +private: + /// + BufferView * bv_; + /// the anchor position + DocIterator anchor_; + /// the start of the new born word + DocIterator new_word_; + /// + mutable DispatchResult disp_; /** * The target x position of the cursor. This is used for when * we have text like : @@ -310,6 +343,8 @@ private: bool selection_; /// are we on the way to get one? bool mark_; + /// are we in word-selection mode? This is set when double clicking. + bool word_selection_; /// If true, we are behind the previous char, otherwise we are in front // of the next char. This only make a difference when we are in front // of a big inset spanning a whole row and computing coordinates for @@ -317,6 +352,10 @@ private: bool logicalpos_; /// position before dispatch started DocIterator beforeDispatchCursor_; + /// cursor screen coordinates before dispatch started + int beforeDispatchPosX_; + int beforeDispatchPosY_; + // FIXME: make them private. public: @@ -359,6 +398,8 @@ public: /// move the cursor up by sending an internal LFUN_DOWN, /// return true if fullscreen update is needed bool down(); + /// whether the cursor is either at the first or last row + bool atFirstOrLastRow(bool up); /// move up/down in a text inset, called for LFUN_UP/DOWN, /// return true if successful, updateNeeded set to true if fullscreen /// update is needed, otherwise it's not touched @@ -372,8 +413,9 @@ public: void plainInsert(MathAtom const & at); /// void niceInsert(MathAtom const & at); - /// - void niceInsert(docstring const & str, Parse::flags f = Parse::NORMAL); + /// return the number of inserted array items + int niceInsert(docstring const & str, Parse::flags f = Parse::NORMAL, + bool enter = true); /// in pixels from top of screen void setScreenPos(int x, int y);