4 * This file is part of LyX, the document processor.
5 * Licence details can be found in the file COPYING.
7 * \author Alfredo Braustein
8 * \author Lars Gullik Bjønnes
10 * \author Jürgen Vigna
12 * Full author contact details are available in file CREDITS.
18 #include "support/types.h"
20 #include <boost/utility.hpp>
43 * A buffer view encapsulates a view onto a particular
44 * buffer, and allows access to operate upon it. A view
45 * is a sliding window of the entire document rendering.
47 * Eventually we will allow several views onto a single
48 * buffer, but not yet.
50 class BufferView : boost::noncopyable {
53 * Create a view with the given owner main window,
54 * of the given dimensions.
56 BufferView(LyXView * owner, int x, int y, int w, int h);
60 /// set the buffer we are viewing
61 void buffer(Buffer * b);
62 /// return the buffer being viewed
63 Buffer * buffer() const;
65 /// return the painter object for drawing onto the view
66 Painter & painter() const;
67 /// return the screen object for handling re-drawing
68 LyXScreen & screen() const;
69 /// return the owning main view
70 LyXView * owner() const;
72 /// return the visible top y
75 /// set the visible top y
78 /// resize event has happened
81 /// reload the contained buffer
83 /// create a new buffer based on template
84 bool newFile(std::string const & fname, std::string const & tname,
86 /// load a buffer into the view
87 bool loadLyXFile(std::string const & name, bool tolastfiles = true);
89 /// fit the user cursor within the visible view
91 /// perform pending painting updates
93 /// reset the scrollbar to reflect current view position
94 void updateScrollbar();
96 void redoCurrentBuffer();
99 bool available() const;
101 /// Save the current position as bookmark i
102 void savePosition(unsigned int i);
103 /// Restore the position from bookmark i
104 void restorePosition(unsigned int i);
105 /// does the given bookmark have a saved position ?
106 bool isSavedPosition(unsigned int i);
108 /// return the current change at the cursor
109 Change const getCurrentChange();
111 /// return the lyxtext we are using
112 LyXText * getLyXText() const;
114 /// return the current encoding at the cursor
115 Encoding const * getEncoding() const;
117 /// return the parent language of the given inset
118 Language const * getParentLanguage(InsetOld * inset) const;
120 /// replace the currently selected word
121 void replaceWord(std::string const & replacestring);
122 /// simple replacing. Use the font of the first selected character
123 void replaceSelectionWithString(std::string const & str);
125 /// move cursor to the named label
126 void gotoLabel(std::string const & label);
128 /// get the stored error list
129 ErrorList const & getErrorList() const;
130 /// show the error list to the user
131 void showErrorList(std::string const &) const;
132 /// set the cursor based on the given TeX source row
133 void setCursorFromRow(int row);
135 /// Inserts a lyx file at cursor position. return false if it fails
136 bool insertLyXFile(std::string const & file);
139 bool fitLockedInsetCursor(int x, int y, int asc, int desc);
141 /// hide the cursor if it is visible
144 /// center the document view around the cursor
146 /// scroll document by the given number of lines of default height
147 void scroll(int lines);
148 /// Scroll the view by a number of pixels
149 void scrollDocView(int);
151 /// return the pixel width of the document view
152 int workWidth() const;
153 /// return the pixel height of the document view
154 int workHeight() const;
156 /// switch between primary and secondary keymaps for RTL entry
160 bool ChangeRefsIfUnique(std::string const & from, std::string const & to);
162 /// get the contents of the window system clipboard
163 std::string const getClipboard() const;
164 /// fill the window system clipboard
165 void stuffClipboard(std::string const &) const;
166 /// tell the window system we have a selection
167 void haveSelection(bool sel);
169 /// execute the given function
170 bool dispatch(FuncRequest const & argument);
172 /// clear the X selection
175 /// access to full cursor
177 /// access to full cursor
178 LCursor const & cursor() const;
180 LyXText * text() const;
182 void setCursor(ParIterator const & par, lyx::pos_type pos);
184 void putSelectionAt(PosIterator const & cur, int length, bool backwards);
190 friend struct BufferView::Pimpl;
195 #endif // BUFFERVIEW_H