A couple of minor bug fixes and cleanups

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@4574 a592a061-630c-0410-9148-cb99ea01b6c8

src/ChangeLog

@@ -1,3 +1,12 @@
+2002-07-09  John Levon  <moz@compsoc.man.ac.uk>
+
+	* lengthcommon.h: whitespace
+ 
+	* lyxfunc.C: update scrollbar after goto paragraph 
+
+	* lyxtext.h: factor out page break drawing, and fix it so
+	  page break/added space paints as selected nicely
+ 
 2002-07-09  John Levon  <moz@compsoc.man.ac.uk>
 
 	* BufferView_pimpl.C: add FIXMEs, clean up a little

src/frontends/ChangeLog

@@ -1,3 +1,9 @@
+2002-07-09  John Levon  <moz@compsoc.man.ac.uk>
+
+	* Painter.C:
+	* Painter.h: make frame/background painting optional
+	  for rectText
+ 
 2002-07-05  Angus Leeming  <leeming@lyx.org>
 
 	* lyx_gui.h (hexname): new function.

src/frontends/Painter.C

@@ -67,9 +67,15 @@ Painter & Painter::rectText(int x, int baseline,
 
 	font_metrics::rectText(str, font, width, ascent, descent);
  
+	if (frame != LColor::none) {
 		rectangle(x, baseline - ascent, width, ascent + descent, frame);
+	}
+ 
+	if (back != LColor::none) {
 		fillRectangle(x + 1, baseline - ascent + 1, width - 1, 
 			      ascent + descent - 1, back);
+	}
+ 
 	text(x + 3, baseline, str, font);
 	return *this;
 }

src/frontends/Painter.h

@@ -151,12 +151,17 @@ public:
 	virtual Painter & text(int x, int y,
 		char c, LyXFont const & f) = 0;
 
-	/// draw a string and enclose it inside a rectangle
+	/**
+	 * Draw a string and enclose it inside a rectangle. If
+	 * back color is specified, the background is cleared with
+	 * the given color. If frame is specified, a thin frame is drawn
+	 * around the text with the given color.
+	 */
 	Painter & rectText(int x, int baseline,
 		string const & string,
 		LyXFont const & font,
-		LColor::color back,
+		LColor::color back = LColor::none,
-		LColor::color frame);
+		LColor::color frame = LColor::none);
 
 	/// draw a string and enclose it inside a button frame
 	Painter & buttonText(int x,

src/frontends/screen.h

@@ -110,7 +110,7 @@ public:
 	 * @param bv the bufferview
 	 * @return true if a change was necessary
 	 *
-	 * Scrolls the screen so that the cursor is visible,
+	 * Scrolls the screen so that the cursor is visible
 	 */
 	virtual bool fitCursor(LyXText *, BufferView *);
 

src/frontends/xforms/ChangeLog

@@ -1,3 +1,7 @@
+2002-07-09  John Levon  <moz@compsoc.man.ac.uk>
+
+	* xscreen.C: add const
+ 
 2002-07-09  Angus Leeming  <leeming@lyx.org>
 
 	* xformsImage.C (scale): use boost::tie.

src/frontends/xforms/xscreen.C

@@ -206,7 +206,7 @@ void XScreen::draw(LyXText * text, BufferView * bv, unsigned int y)
 	if (cursor_visible_) hideCursor();
 
 	int const old_first = text->first_y;
-	bool internal = (text == bv->text);
+	bool const internal = (text == bv->text);
 	text->first_y = y;
 
 	// is any optimization possible?

src/lyxfunc.C

@@ -1393,11 +1393,11 @@ string const LyXFunc::dispatch(kb_action action, string argument)
 			owner->view()->buffer(bufferlist.loadLyXFile(s));
 		}
 
-		// Set the cursor
 		owner->view()->setCursorFromRow(row);
 
-		// Recenter screen
 		owner->view()->center();
+		// see BufferView_pimpl::center() 
+		owner->view()->updateScrollbar();
 	}
 	break;
 
@@ -1427,8 +1427,9 @@ string const LyXFunc::dispatch(kb_action action, string argument)
 		owner->view()->setState();
 		owner->showState();
 
-		// Recenter screen
 		owner->view()->center();
+		// see BufferView_pimpl::center() 
+		owner->view()->updateScrollbar();
 	}
 	break;
 

src/lyxtext.h

@@ -589,6 +589,9 @@ private:
 	/// paint appendix marker
 	void paintRowAppendix(DrawRowParams & p);
 
+	/// paint page break marker. Returns its height.
+	int paintPageBreak(string const & label, int y, DrawRowParams & p);
+ 
 	/// paint env depth bar
 	void paintRowDepthBar(DrawRowParams & p);
 

src/text.C

@@ -3308,9 +3308,7 @@ int LyXText::drawLengthMarker(DrawRowParams & p, string const & prefix,
 
 	p.pain->rectText(leftx + 2 * arrow_size + 5,
 			 start + ((end - start) / 2) + d,
-			 str, font,
+			 str, font);
-			 backgroundColor(),
-			 backgroundColor());
 
 	// top arrow
 	p.pain->line(leftx, ty1, midx, ty2, LColor::added_space);
@@ -3327,6 +3325,30 @@ int LyXText::drawLengthMarker(DrawRowParams & p, string const & prefix,
 }
 
 
+int LyXText::paintPageBreak(string const & label, int y, DrawRowParams & p)
+{
+	LyXFont pb_font;
+	pb_font.setColor(LColor::pagebreak).decSize();
+
+	int w = 0;
+	int a = 0;
+	int d = 0;
+	font_metrics::rectText(label, pb_font, w, a, d);
+
+	int const text_start = p.xo + ((p.width - w) / 2);
+	int const text_end = text_start + w;
+ 
+	p.pain->rectText(text_start, y + d, label, pb_font);
+ 
+	p.pain->line(p.xo, y, text_start, y,
+		LColor::pagebreak, Painter::line_onoffdash);
+	p.pain->line(text_end, y, p.xo + p.width, y,
+		LColor::pagebreak, Painter::line_onoffdash);
+
+	return 3 * defaultHeight();
+}
+ 
+
 void LyXText::paintFirstRow(DrawRowParams & p)
 {
 	Paragraph * par = p.row->par();
@@ -3345,22 +3367,8 @@ void LyXText::paintFirstRow(DrawRowParams & p)
 
 	// draw a top pagebreak
 	if (parparams.pagebreakTop()) {
-		int const y = p.yo + y_top + 2*defaultHeight();
+		y_top += paintPageBreak(_("Page Break (top)"),
-		p.pain->line(p.xo, y, p.xo + p.width, y,
+			p.yo + y_top + 2 * defaultHeight(), p);
-			LColor::pagebreak, Painter::line_onoffdash);
-
-		int w = 0;
-		int a = 0;
-		int d = 0;
-
-		LyXFont pb_font;
-		pb_font.setColor(LColor::pagebreak).decSize();
-		font_metrics::rectText(_("Page Break (top)"), pb_font, w, a, d);
-		p.pain->rectText((p.width - w)/2, y + d,
-			      _("Page Break (top)"), pb_font,
-			      backgroundColor(),
-			      backgroundColor());
-		y_top += 3 * defaultHeight();
 	}
 
 	// draw the additional space if needed:
@@ -3523,22 +3531,8 @@ void LyXText::paintLastRow(DrawRowParams & p)
 
 	// draw a bottom pagebreak
 	if (parparams.pagebreakBottom()) {
-		LyXFont pb_font;
+		y_bottom -= paintPageBreak(_("Page Break (bottom)"),
-		pb_font.setColor(LColor::pagebreak).decSize();
+			p.yo + y_bottom - 2 * defaultHeight(), p);
-		int const y = p.yo + y_bottom - 2 * defaultHeight();
-
-		p.pain->line(p.xo, y, p.xo + p.width, y, LColor::pagebreak,
-			     Painter::line_onoffdash);
-
-		int w = 0;
-		int a = 0;
-		int d = 0;
-		font_metrics::rectText(_("Page Break (bottom)"), pb_font, w, a, d);
-		p.pain->rectText((ww - w) / 2, y + d,
-			_("Page Break (bottom)"),
-			pb_font, backgroundColor(), backgroundColor());
-
-		y_bottom -= 3 * defaultHeight();
 	}
 
 	// draw the additional space if needed:
@@ -3612,6 +3606,7 @@ void LyXText::paintLastRow(DrawRowParams & p)
 	}
 }
  
+
 void LyXText::paintRowText(DrawRowParams & p)
 {
 	Paragraph * par = p.row->par();