fix bug 1919 (table cells won't accept normal text pastes)

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@10416 a592a061-630c-0410-9148-cb99ea01b6c8

src/ChangeLog

@@ -1,8 +1,16 @@
+2005-09-06  Jürgen Spitzmüller  <j.spitzmueller@gmx.de>
+
+	* CutAndPaste.[Ch]: new methods dirtyTabularStack and 
+	tabularStackDirty to work around bug 1919 (tabular needs
+	to know whether its own cell paste buffer or the one of 
+	texted is newer.
+	* CutAndPaste.C: mark tabular_stack_ clean after copy.
+
 2005-08-26  Georg Baum  <Georg.Baum@post.rwth-aachen.de>
 
 	* text2.C (cursorEnd): check for empty text (fixes bug 1998)
 
-2005-08-19  Lars Gullik Bjønnes  <larsbj@gullik.net>
+2005-08-19  Lars Gullik Bjønnes  <larsbj@gullik.net>
 
 	* CutAndPaste.C (eraseSelectionHelper): fix bug 1920
 	use old deleteion algorithm when changetracking is on.

src/CutAndPaste.C

@@ -68,6 +68,11 @@ typedef limited_stack<pair<ParagraphList, textclass_type> > CutStack;
 
 CutStack theCuts(10);
 
+// store whether the tabular stack is newer than the normal copy stack
+// FIXME: this is a workaround for bug 1919. Should be removed for 1.5, 
+// when we (hopefully) have a one-for-all paste mechanism.
+bool dirty_tabular_stack_;
+
 class resetOwnerAndChanges : public std::unary_function<Paragraph, void> {
 public:
 	void operator()(Paragraph & p) const {
@@ -531,6 +536,9 @@ void cutSelection(LCursor & cur, bool doclear, bool realcut)
 		// need a valid cursor. (Lgb)
 		cur.clearSelection();
 		updateCounters(cur.buffer());
+
+		// tell tabular that a recent copy happened
+		dirtyTabularStack(false);
 	}
 
 	if (cur.inMathed()) {
@@ -581,6 +589,8 @@ void copySelection(LCursor & cur)
 		pars.back().insert(0, grabSelection(cur), LyXFont());
 		theCuts.push(make_pair(pars, bp.textclass));
 	}
+	// tell tabular that a recent copy happened
+	dirtyTabularStack(false);
 }
 
 
@@ -779,5 +789,17 @@ string grabSelection(LCursor & cur)
 }
 
 
+void dirtyTabularStack(bool b)
+{
+	dirty_tabular_stack_ = b;
+}
+
+
+bool tabularStackDirty()
+{
+	return dirty_tabular_stack_;
+}
+
+
 } // namespace cap
 } // namespace lyx

src/CutAndPaste.h

@@ -81,6 +81,17 @@ void selDel(LCursor & cur);
 void selClearOrDel(LCursor & cur);
 /// pastes n-th element of cut buffer
 void selPaste(LCursor & cur, size_t n);
+
+/** Tabular has its own paste stack for multiple cells
+ *  but it needs to know whether there is a more recent 
+ *  ordinary paste. Therefore which one is newer.
+ */
+//FIXME: this is a workaround for bug 1919. Replace this by
+//an all-for-one-paste mechanism in 1.5
+/// store whether tabular or ordinary paste stack is newer
+void dirtyTabularStack(bool b);
+/// is the tabular paste stack newer than the ordinary one?
+bool tabularStackDirty();
 } // namespace cap
 } // namespce lyx
 

src/insets/ChangeLog

@@ -1,3 +1,8 @@
+2005-09-06  Jürgen Spitzmüller  <j.spitzmueller@gmx.de>
+
+	* insettabular.C: mark tabular_stack_ (of CutAndPaste) dirty
+	after copying several cells (works around bug 1919).
+
 2005-09-05  Michael Gerz  <michael.gerz@teststep.org>
 
 	* insetcharstyle.C (metrics,draw): consider inset label for

src/insets/insettabular.C

@@ -16,6 +16,7 @@
 #include "bufferparams.h"
 #include "BufferView.h"
 #include "cursor.h"
+#include "CutAndPaste.h"
 #include "coordcache.h"
 #include "debug.h"
 #include "dispatchresult.h"
@@ -45,6 +46,8 @@
 #include <iostream>
 #include <limits>
 
+using lyx::cap::tabularStackDirty;
+
 using lyx::graphics::PreviewLoader;
 
 using lyx::support::ltrim;
@@ -719,7 +722,7 @@ void InsetTabular::doDispatch(LCursor & cur, FuncRequest & cmd)
 	}
 
 	case LFUN_PASTE:
-		if (hasPasteBuffer()) {
+		if (hasPasteBuffer() && tabularStackDirty()) {
 			recordUndo(cur, Undo::INSERT);
 			pasteSelection(cur);
 			break;
@@ -1719,6 +1722,11 @@ bool InsetTabular::copySelection(LCursor & cur)
 	OutputParams const runparams;
 	paste_tabular->plaintext(cur.buffer(), os, runparams, 0, true, '\t');
 	cur.bv().stuffClipboard(os.str());
+	// mark tabular stack dirty
+	// FIXME: this is a workaround for bug 1919. Should be removed for 1.5, 
+	// when we (hopefully) have a one-for-all paste mechanism.
+	lyx::cap::dirtyTabularStack(true);
+
 	return true;
 }