Clear selection on selected text when it is not static.

CCBUG: 153372

svn path=/trunk/KDE/kdebase/apps/konsole/; revision=941205

src/Screen.cpp

@@ -618,7 +618,7 @@ void Screen::checkSelection(int from, int to)
         return;
     int scr_TL = loc(0, history->getLines());
     //Clear entire selection if it overlaps region [from, to]
-    if ( (selBottomRight > (from+scr_TL)) && (selTopLeft < (to+scr_TL)) )
+    if ( (selBottomRight >= (from+scr_TL)) && (selTopLeft <= (to+scr_TL)) )
         clearSelection();
 }
 
@@ -661,7 +661,7 @@ void Screen::displayCharacter(unsigned short c)
     lastPos = loc(cuX,cuY);
 
     // check if selection is still valid.
-    checkSelection(cuX,cuY);
+    checkSelection(lastPos, lastPos);
 
     Character& currentChar = screenLines[cuY][cuX];
 

src/Screen.h

@@ -468,7 +468,16 @@ public:
     void writeSelectionToStream(TerminalCharacterDecoder* decoder , bool
                                 preserveLineBreaks = true) const;
 
-    /** TODO Document me */
+    /**
+     * Checks if the text between from and to is inside the current
+     * selection. If this is the case, the selection is cleared. The
+     * from and to are coordinates in the current viewable window.
+     * The loc(x,y) macro can be used to generate these values from a
+     * column,line pair.
+     *
+     * @param from The start of the area to check.
+     * @param to The end of the area to check
+     */
     void checkSelection(int from, int to);
 
     /**