[Kst] extragear/graphics/kst/kst

Barth Netterfield netterfield at astro.utoronto.ca
Fri Feb 3 22:02:37 CET 2006


SVN commit 505429 by netterfield:

Revert patch.



 M  +29 -80    ksttoplevelview.cpp  
 M  +0 -1      ksttoplevelview.h  


--- trunk/extragear/graphics/kst/kst/ksttoplevelview.cpp #505428:505429
@@ -37,7 +37,6 @@
 #include "kstaccessibility.h"
 #include "kstdoc.h"
 #include "kstgfxmousehandler.h"
-#include "kstmath.h"
 #include "kstplotgroup.h"
 #include "kstsettings.h"
 #include "ksttimers.h"
@@ -781,80 +780,12 @@
 }
 
 
-QPoint KstTopLevelView::handlePoint(bool shift, const QPoint& ptFixed, const QPoint& pos, double aspect) {
-  QPoint ptMoved = pos;
-  
-  if (shift) {
-    double absAspect = fabs(aspect);
-    if (absAspect < 500.0 && (double(abs((pos.y() - ptFixed.y())/(pos.x() - ptFixed.x()))) < aspect || 
-        absAspect < 0.1)) {
-      ptMoved = QPoint(pos.x(), ptFixed.y() + int(aspect*(pos.x() - ptFixed.x())));
-    } else {
-      ptMoved = QPoint(ptFixed.x() + int((pos.y() - ptFixed.y())/aspect), pos.y());
-    }
-  }
-  
-  //
-  // ensure that the point we just moved is contained by its parent...
-  //
-  QRect parentRect = _pressTarget->_parent->_geom;
-  if (parentRect.contains(ptFixed) && !parentRect.contains(ptMoved)) {
-    double gradient;
-    bool found = false;
-    int x;
-    int y;
-    
-    if (!found && ptMoved.x() < parentRect.left()) {
-      gradient = double(ptMoved.y() - ptFixed.y())/double(ptMoved.x() - ptFixed.x());
-      x = parentRect.left();
-      y = ptFixed.y() + d2i(double(x - ptFixed.x()) * gradient);
-      if (y >= parentRect.top() && y <= parentRect.bottom()) {
-        found = true;
-      }
-    }
-    if (!found && ptMoved.x() > parentRect.right()) {
-      gradient = double(ptMoved.y() - ptFixed.y())/double(ptMoved.x() - ptFixed.x());
-      x = parentRect.right();
-      y = ptFixed.y() + d2i(double(x - ptFixed.x()) * gradient);
-      if (y >= parentRect.top() && y <= parentRect.bottom()) {
-        found = true;
-      }
-    }
-    if (!found && ptMoved.y() < parentRect.top()) {
-      gradient = double(ptMoved.x() - ptFixed.x())/double(ptMoved.y() - ptFixed.y());
-      y = parentRect.top();
-      x = ptFixed.x() + d2i(double(y - ptFixed.y()) * gradient);
-      if (x >= parentRect.left() && x <= parentRect.right()) {
-        found = true;
-      }
-    }
-    if (!found && ptMoved.y() > parentRect.bottom()) {
-      gradient = double(ptMoved.x() - ptFixed.x())/double(ptMoved.y() - ptFixed.y());
-      y = parentRect.bottom();
-      x = ptFixed.x() + d2i(double(y - ptFixed.y()) * gradient);
-      if (x >= parentRect.left() && x <= parentRect.right()) {
-        found = true;
-      }
-    }
-
-    if (found) {
-      ptMoved.setX(x);
-      ptMoved.setY(y);
-    }
-  } 
-
-  return ptMoved;
-}
-
-
 void KstTopLevelView::pressMoveLayoutModeEndPoint(const QPoint& pos, bool shift) {
   // FIXME: remove this!!  Should not know about any specific type
   // for now we only know how to deal with lines 
   if (KstViewLinePtr line = kst_cast<KstViewLine>(_pressTarget)) {
     const QRect old(_prevBand);
-    QPoint ptFixed;
     double aspect;
-    
     if (line->to().x() != line->from().x()) {
       aspect = double(line->to().y() - line->from().y()) / double(line->to().x() - line->from().x());
     } else {
@@ -864,22 +795,40 @@
         aspect = 1.0E300;  
       }
     }
-        
+    QPoint fromPoint, toPoint;
     if (_pressDirection & UP) {
-      // UP means we are on the "from" point
-      ptFixed = line->to();
-      _prevBand.setTopLeft(handlePoint(shift, ptFixed, pos, aspect));
-      _prevBand.setBottomRight(ptFixed);
+      // UP means we are on the start endpoint
+      toPoint = line->to();
+      if (shift) {
+        double absAspect = fabs(aspect);
+        if (absAspect < 500 && (double(abs((pos.y() - toPoint.y())/(pos.x() - toPoint.x()))) < aspect || absAspect < 0.1)) {
+          fromPoint = QPoint(pos.x(), toPoint.y() + int(aspect*(pos.x() - toPoint.x())));
+        } else {
+          fromPoint = QPoint(toPoint.x() + int((pos.y() - toPoint.y())/aspect), pos.y());
+        }
+      } else {
+        fromPoint = pos;
+      }
     } else if (_pressDirection & DOWN) {
-      // DOWN means we are on the "to" point
-      ptFixed = line->from();
-      _prevBand.setTopLeft(ptFixed);
-      _prevBand.setBottomRight(handlePoint(shift, ptFixed, pos, aspect));
+      // DOWN means we are on the end endpoint
+      fromPoint = line->from();
+      if (shift) {
+        double absAspect = fabs(aspect);
+        if (absAspect < 500 && (double(abs((pos.y() - toPoint.y())/(pos.x() - toPoint.x()))) < aspect || absAspect < 0.1)) {
+          toPoint = QPoint(pos.x(), fromPoint.y() + int(aspect*(pos.x() - fromPoint.x())));
+        } else {
+          toPoint = QPoint(fromPoint.x() + int((pos.y() - fromPoint.y())/aspect), pos.y());
+        }
+      } else {
+        toPoint = pos;
+      }
     } else {
-      assert(false);
-      return;
+      abort();
     }
 
+    _prevBand.setTopLeft(fromPoint);
+    _prevBand.setBottomRight(toPoint);
+
     if (old != _prevBand) {
       KstPainter p;
       p.begin(_w);
--- trunk/extragear/graphics/kst/kst/ksttoplevelview.h #505428:505429
@@ -98,7 +98,6 @@
     void pressMove(const QPoint& pos, bool shift = false);
     void pressMoveLayoutMode(const QPoint& pos, bool shift = false);
     // helpers for pressMoveLayoutMode
-    QPoint handlePoint(bool shift, const QPoint& ptFixed, const QPoint& pos, double aspect);
     void pressMoveLayoutModeMove(const QPoint& pos, bool shift = false);
     void pressMoveLayoutModeResize(const QPoint& pos, bool shift = false);
     void pressMoveLayoutModeSelect(const QPoint& pos, bool shift = false);


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