Add inset clearpage and cleardoublepage, from Urgas

* src/insets/insetert.C
	* src/text3.C
	* src/lfuns.h
	* src/factory.C
	* src/tex2lyx/text.C
	* src/text.C
	* src/LyXAction.C: add and handle LFUN_CLEARPAGE_INSET and LFUN_CLEARDOUBLEPAGE_INSET
	* src/insets/insetpagebreak.h/C: extend InsetPageBreak
	* lib/lyx2lyx/lyx_1_5.py: file format change
	* lib/ui/stdmenus.ui: add menu items


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@16037 a592a061-630c-0410-9148-cb99ea01b6c8

lib/lyx2lyx/lyx_1_5.py

@@ -603,6 +603,45 @@ def revert_esint(document):
     if (use_esint == 2):
         document.preamble.append('\\usepackage{esint}')
 
+def revert_clearpage(document):
+    " clearpage -> ERT"
+    i = 0
+    while 1:
+        i = find_token(document.body, "\\clearpage", i)
+        if i == -1:
+            break
+        document.body[i:i+1] =  ['\\begin_inset ERT',
+                                'status collapsed',
+                                '',
+                                '\\begin_layout %s' % document.default_layout,
+                                '',
+                                '',
+                                '\\backslash',
+                                'clearpage',
+                                '\\end_layout',
+                                '',
+                                '\\end_inset']
+    i = i + 1
+	
+def revert_cleardoublepage(document):
+    " cleardoublepage -> ERT"
+    i = 0
+    while 1:
+        i = find_token(document.body, "\\cleardoublepage", i)
+        if i == -1:
+            break
+        document.body[i:i+1] =  ['\\begin_inset ERT',
+                                'status collapsed',
+                                '',
+                                '\\begin_layout %s' % document.default_layout,
+                                '',
+                                '',
+                                '\\backslash',
+                                'cleardoublepage',
+                                '\\end_layout',
+                                '',
+                                '\\end_inset']
+    i = i + 1
 
 ##
 # Conversion hub
@@ -619,7 +658,8 @@ convert = [[246, []],
            [253, []],
            [254, [convert_esint]]]
 
-revert =  [[253, [revert_esint]],
+revert =  [[254, [revert_clearpage, revert_cleardoublepage]],
+           [253, [revert_esint]],
            [252, [revert_nomenclature, revert_printnomenclature]],
            [251, [revert_commandparams]],
            [250, [revert_cs_label]],

lib/ui/stdmenus.ui

@@ -334,6 +334,8 @@ Menuset
 		Item "Ligature Break|k" "ligature-break-insert"
 		Item "Line Break|B" "break-line"
 		Item "Page Break|a" "pagebreak-insert"
+		Item "Clear Page" "clearpage-insert"
+		Item "Clear Double Page" "cleardoublepage-insert"
 	End
 
 	Menu "insert_math"

src/LyXAction.C

@@ -369,6 +369,8 @@ void LyXAction::init()
 		{ LFUN_TOOLBAR_TOGGLE_STATE, "", NoBuffer },
 		{ LFUN_NOMENCL_INSERT, "nomencl-insert", Noop },
 		{ LFUN_NOMENCL_PRINT, "nomencl-print", Noop },
+		{ LFUN_CLEARPAGE_INSERT, "clearpage-insert", Noop },
+		{ LFUN_CLEARDOUBLEPAGE_INSERT, "cleardoublepage-insert", Noop },
 
 		{ LFUN_NOACTION, "", Noop }
 	};

src/factory.C

@@ -88,6 +88,12 @@ InsetBase * createInset(BufferView * bv, FuncRequest const & cmd)
 	case LFUN_PAGEBREAK_INSERT:
 		return new InsetPagebreak;
 
+	case LFUN_CLEARPAGE_INSERT:
+		return new InsetClearPage;
+
+	case LFUN_CLEARDOUBLEPAGE_INSERT:
+		return new InsetClearDoublePage;
+
 	case LFUN_CHARSTYLE_INSERT: {
 		string s = cmd.getArg(0);
 		LyXTextClass tclass = params.getLyXTextClass();

src/insets/insetert.C

@@ -322,6 +322,8 @@ bool InsetERT::getStatus(LCursor & cur, FuncRequest const & cmd,
 		case LFUN_BIBITEM_INSERT:
 		case LFUN_LINE_INSERT:
 		case LFUN_PAGEBREAK_INSERT:
+		case LFUN_CLEARPAGE_INSERT:
+		case LFUN_CLEARDOUBLEPAGE_INSERT:
 		case LFUN_LANGUAGE:
 		case LFUN_LAYOUT:
 		case LFUN_LAYOUT_PARAGRAPH:

src/insets/insetpagebreak.C

@@ -38,7 +38,7 @@ void InsetPagebreak::read(Buffer const &, LyXLex &)
 
 void InsetPagebreak::write(Buffer const &, ostream & os) const
 {
-	os << "\n\\newpage\n";
+	os << "\n" << getCmdName() << '\n';
 }
 
 
@@ -53,7 +53,7 @@ void InsetPagebreak::metrics(MetricsInfo & mi, Dimension & dim) const
 
 void InsetPagebreak::draw(PainterInfo & pi, int x, int y) const
 {
-	static docstring const label = _("Page Break");
+	docstring const label = _(insetLabel());
 
 	LyXFont font;
 	font.setColor(LColor::pagebreak);
@@ -80,7 +80,7 @@ void InsetPagebreak::draw(PainterInfo & pi, int x, int y) const
 int InsetPagebreak::latex(Buffer const &, odocstream & os,
 			  OutputParams const &) const
 {
-	os << "\\newpage{}";
+	os << from_ascii(getCmdName()) << "{}";
 	return 0;
 }
 

src/insets/insetpagebreak.h

@@ -20,7 +20,6 @@ namespace lyx {
 
 class InsetPagebreak : public InsetOld {
 public:
-
 	InsetPagebreak() {}
 
 	InsetBase::Code lyxCode() const { return InsetBase::LINE_CODE; }
@@ -29,7 +28,7 @@ public:
 
 	void draw(PainterInfo & pi, int x, int y) const;
 
-	int latex(Buffer const &, odocstream &,
+	virtual int latex(Buffer const &, odocstream &,
 		  OutputParams const &) const;
 
 	int plaintext(Buffer const &, odocstream &,
@@ -40,11 +39,16 @@ public:
 
 	void read(Buffer const &, LyXLex & lex);
 
-	void write(Buffer const & buf, std::ostream & os) const;
+	virtual void write(Buffer const & buf, std::ostream & os) const;
 	/// We don't need \begin_inset and \end_inset
 	bool directWrite() const { return true; }
 
 	bool display() const { return true; }
+
+	virtual std::string insetLabel() const { return "Page Break"; }
+
+	virtual std::string getCmdName() const { return "\\newpage"; }
+
 private:
 	virtual std::auto_ptr<InsetBase> doClone() const
 	{
@@ -53,6 +57,37 @@ private:
 };
 
 
+class InsetClearPage : public InsetPagebreak {
+public:
+	InsetClearPage() {}
+
+	std::string insetLabel() const { return "Clear Page"; }
+	
+	std::string getCmdName() const { return "\\clearpage"; }
+
+private:
+	virtual std::auto_ptr<InsetBase> doClone() const
+	{
+		return std::auto_ptr<InsetBase>(new InsetClearPage);
+	}
+};
+
+
+class InsetClearDoublePage : public InsetPagebreak {
+public:
+	InsetClearDoublePage() {}
+
+	std::string insetLabel() const { return "Clear Double Page"; }
+	
+	std::string getCmdName() const { return "\\cleardoublepage"; }
+
+private:
+	virtual std::auto_ptr<InsetBase> doClone() const
+	{
+		return std::auto_ptr<InsetBase>(new InsetClearDoublePage);
+	}
+};
+
 } // namespace lyx
 
 #endif // INSET_NEWLINE_H

src/lfuns.h

@@ -377,6 +377,9 @@ enum kb_action {
 	LFUN_TOOLBAR_TOGGLE_STATE,       // bpeng 20061101
 	LFUN_NOMENCL_INSERT,			 // Ugras
 	LFUN_NOMENCL_PRINT,			     // Ugras
+	LFUN_CLEARPAGE_INSERT,           // Ugras 20061125
+	//290
+	LFUN_CLEARDOUBLEPAGE_INSERT,     // ugras 20061125
 
 	LFUN_LASTACTION                  // end of the table
 };

src/tex2lyx/text.C

@@ -2216,10 +2216,12 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
 				skip_braces(p);
 		}
 
-		else if (t.cs() == "newpage") {
+		else if (t.cs() == "newpage" ||
+			 t.cs() == "clearpage" ||
+			 t.cs() == "cleardoublepage") {
 			context.check_layout(os);
-			// FIXME: what about \\clearpage and \\pagebreak?
+			// FIXME: what about \\pagebreak?
-			os << "\n\\newpage\n";
+			os << "\n\\" << t.cs() << "\n";
 			skip_braces(p); // eat {}
 		}
 

src/text.C

@@ -316,6 +316,10 @@ void readParToken(Buffer const & buf, Paragraph & par, LyXLex & lex,
 		par.insertInset(par.size(), new InsetLine, font, change);
 	} else if (token == "\\newpage") {
 		par.insertInset(par.size(), new InsetPagebreak, font, change);
+	} else if (token == "\\clearpage") {
+		par.insertInset(par.size(), new InsetClearPage, font, change);
+	} else if (token == "\\cleardoublepage") {
+		par.insertInset(par.size(), new InsetClearDoublePage, font, change);
 	} else if (token == "\\change_unchanged") {
 		change = Change(Change::UNCHANGED);
 	} else if (token == "\\change_inserted") {

src/text3.C

@@ -1187,6 +1187,8 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 	case LFUN_HFILL_INSERT:
 	case LFUN_LINE_INSERT:
 	case LFUN_PAGEBREAK_INSERT:
+	case LFUN_CLEARPAGE_INSERT:
+	case LFUN_CLEARDOUBLEPAGE_INSERT:
 		// do nothing fancy
 		doInsertInset(cur, this, cmd, false, false);
 		cur.posRight();
@@ -1804,6 +1806,8 @@ bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
 	case LFUN_SELF_INSERT:
 	case LFUN_LINE_INSERT:
 	case LFUN_PAGEBREAK_INSERT:
+	case LFUN_CLEARPAGE_INSERT:
+	case LFUN_CLEARDOUBLEPAGE_INSERT:
 	case LFUN_MATH_DISPLAY:
 	case LFUN_MATH_IMPORT_SELECTION:
 	case LFUN_MATH_MODE: