Transfer metrics and screen related methods from Text to TextMetrics.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@19994 a592a061-630c-0410-9148-cb99ea01b6c8

src/Text.cpp

@@ -810,7 +810,6 @@ void Text::rejectChanges(BufferParams const & bparams)
 }
 
 
-// Delete from cursor up to the end of the current or next word.
 void Text::deleteWordForward(Cursor & cur)
 {
 	BOOST_ASSERT(this == cur.text());
@@ -827,7 +826,6 @@ void Text::deleteWordForward(Cursor & cur)
 }
 
 
-// Delete from cursor to start of current or prior word.
 void Text::deleteWordBackward(Cursor & cur)
 {
 	BOOST_ASSERT(this == cur.text());
@@ -845,27 +843,6 @@ void Text::deleteWordBackward(Cursor & cur)
 
 
 // Kill to end of line.
-void Text::deleteLineForward(Cursor & cur)
-{
-	BOOST_ASSERT(this == cur.text());
-	if (cur.lastpos() == 0) {
-		// Paragraph is empty, so we just go to the right
-		cursorRight(cur);
-	} else {
-		cur.resetAnchor();
-		cur.selection() = true; // to avoid deletion
-		cursorEnd(cur);
-		cur.setSelection();
-		// What is this test for ??? (JMarc)
-		if (!cur.selection())
-			deleteWordForward(cur);
-		else
-			cutSelection(cur, true, false);
-		checkBufferStructure(cur.buffer(), cur);
-	}
-}
-
-
 void Text::changeCase(Cursor & cur, Text::TextCase action)
 {
 	BOOST_ASSERT(this == cur.text());

src/Text.h

@@ -191,17 +191,15 @@ public:
 	bool cursorLeftOneWord(Cursor & cur);
 	///
 	bool cursorRightOneWord(Cursor & cur);
+	/// Delete from cursor up to the end of the current or next word.
+	void deleteWordForward(Cursor & cur);
+	/// Delete from cursor to start of current or prior word.
+	void deleteWordBackward(Cursor & cur);
 	///
 	bool cursorUpParagraph(Cursor & cur);
 	///
 	bool cursorDownParagraph(Cursor & cur);
 	///
-	/// FIXME: move to TextMetrics.
-	bool cursorHome(Cursor & cur);
-	///
-	/// FIXME: move to TextMetrics.
-	bool cursorEnd(Cursor & cur);
-	///
 	bool cursorTop(Cursor & cur);
 	///
 	bool cursorBottom(Cursor & cur);
@@ -331,13 +329,6 @@ private:
 	bool backspacePos0(Cursor & cur);
 	/// handle the case where bibitems were deleted
 	bool handleBibitems(Cursor & cur);
-
-	///
-	void deleteWordForward(Cursor & cur);
-	///
-	void deleteWordBackward(Cursor & cur);
-	///
-	void deleteLineForward(Cursor & cur);
 	///
 	void charInserted();
 	/// set 'number' font property

src/Text2.cpp

@@ -465,40 +465,6 @@ void Text::setFont(Buffer const & buffer, CursorSlice const & begin,
 }
 
 
-// the cursor set functions have a special mechanism. When they
-// realize you left an empty paragraph, they will delete it.
-
-bool Text::cursorHome(Cursor & cur)
-{
-	BOOST_ASSERT(this == cur.text());
-	ParagraphMetrics const & pm = cur.bv().parMetrics(this, cur.pit());
-	Row const & row = pm.getRow(cur.pos(),cur.boundary());
-	return setCursor(cur, cur.pit(), row.pos());
-}
-
-
-bool Text::cursorEnd(Cursor & cur)
-{
-	BOOST_ASSERT(this == cur.text());
-	// if not on the last row of the par, put the cursor before
-	// the final space exept if I have a spanning inset or one string
-	// is so long that we force a break.
-	pos_type end = cur.textRow().endpos();
-	if (end == 0)
-		// empty text, end-1 is no valid position
-		return false;
-	bool boundary = false;
-	if (end != cur.lastpos()) {
-		if (!cur.paragraph().isLineSeparator(end-1)
-		    && !cur.paragraph().isNewline(end-1))
-			boundary = true;
-		else
-			--end;
-	}
-	return setCursor(cur, cur.pit(), end, true, boundary);
-}
-
-
 bool Text::cursorTop(Cursor & cur)
 {
 	BOOST_ASSERT(this == cur.text());

src/Text3.cpp

@@ -398,7 +398,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 		if (cur.selection()) {
 			cutSelection(cur, true, false);
 		} else
-			deleteLineForward(cur);
+			tm.deleteLineForward(cur);
 		finishChange(cur, false);
 		break;
 
@@ -516,13 +516,13 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 	case LFUN_LINE_BEGIN:
 	case LFUN_LINE_BEGIN_SELECT:
 		needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
-		needsUpdate |= cursorHome(cur);
+		needsUpdate |= tm.cursorHome(cur);
 		break;
 
 	case LFUN_LINE_END:
 	case LFUN_LINE_END_SELECT:
 		needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
-		needsUpdate |= cursorEnd(cur);
+		needsUpdate |= tm.cursorEnd(cur);
 		break;
 
 	case LFUN_WORD_FORWARD:
@@ -959,9 +959,9 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 
 	case LFUN_MOUSE_TRIPLE:
 		if (cmd.button() == mouse_button::button1) {
-			cursorHome(cur);
+			tm.cursorHome(cur);
 			cur.resetAnchor();
-			cursorEnd(cur);
+			tm.cursorEnd(cur);
 			cur.setSelection();
 			bv->cursor() = cur;
 		}

src/TextMetrics.cpp

@@ -20,11 +20,13 @@
 #include "TextMetrics.h"
 
 #include "Buffer.h"
+#include "buffer_funcs.h"
 #include "BufferParams.h"
 #include "BufferView.h"
 #include "bufferview_funcs.h"
 #include "Color.h"
 #include "CoordCache.h"
+#include "CutAndPaste.h"
 #include "debug.h"
 #include "FontIterator.h"
 #include "FuncRequest.h"
@@ -1400,6 +1402,61 @@ void TextMetrics::cursorNext(Cursor & cur)
 }
 
 
+// the cursor set functions have a special mechanism. When they
+// realize you left an empty paragraph, they will delete it.
+
+bool TextMetrics::cursorHome(Cursor & cur)
+{
+	BOOST_ASSERT(text_ == cur.text());
+	ParagraphMetrics const & pm = par_metrics_[cur.pit()];
+	Row const & row = pm.getRow(cur.pos(),cur.boundary());
+	return text_->setCursor(cur, cur.pit(), row.pos());
+}
+
+
+bool TextMetrics::cursorEnd(Cursor & cur)
+{
+	BOOST_ASSERT(text_ == cur.text());
+	// if not on the last row of the par, put the cursor before
+	// the final space exept if I have a spanning inset or one string
+	// is so long that we force a break.
+	pos_type end = cur.textRow().endpos();
+	if (end == 0)
+		// empty text, end-1 is no valid position
+		return false;
+	bool boundary = false;
+	if (end != cur.lastpos()) {
+		if (!cur.paragraph().isLineSeparator(end-1)
+		    && !cur.paragraph().isNewline(end-1))
+			boundary = true;
+		else
+			--end;
+	}
+	return text_->setCursor(cur, cur.pit(), end, true, boundary);
+}
+
+
+void TextMetrics::deleteLineForward(Cursor & cur)
+{
+	BOOST_ASSERT(text_ == cur.text());
+	if (cur.lastpos() == 0) {
+		// Paragraph is empty, so we just go to the right
+		text_->cursorRight(cur);
+	} else {
+		cur.resetAnchor();
+		cur.selection() = true; // to avoid deletion
+		cursorEnd(cur);
+		cur.setSelection();
+		// What is this test for ??? (JMarc)
+		if (!cur.selection())
+			text_->deleteWordForward(cur);
+		else
+			cap::cutSelection(cur, true, false);
+		checkBufferStructure(cur.buffer(), cur);
+	}
+}
+
+
 int TextMetrics::leftMargin(int max_width, pit_type pit) const
 {
 	BOOST_ASSERT(pit >= 0);

src/TextMetrics.h

@@ -174,6 +174,12 @@ public:
 	void cursorPrevious(Cursor & cur);
 	///
 	void cursorNext(Cursor & cur);
+	///
+	bool cursorHome(Cursor & cur);
+	///
+	bool cursorEnd(Cursor & cur);
+	///
+	void deleteLineForward(Cursor & cur);
 
 	/// Returns an inset if inset was hit, or 0 if not.
 	/// \warning This method is not recursive! It will return the