FRect has now got a scaleBy() method

ChangeLog

@@ -1,3 +1,7 @@
+2019-08-11  Markus Gans  <guru.mail@muenster.de>
+	* FRect has now got a scaleBy() method
+	* Convert drawBorder() to a non-member function using FRect
+
 2019-08-10  Markus Gans  <guru.mail@muenster.de>
 	* Pitch and duration of system speaker can now be changed 
 	  on OpenBSD

examples/7segment.cpp

@@ -27,6 +27,7 @@
 
 namespace fc = finalcut::fc;
 using finalcut::FColorPair;
+using finalcut::FRect;
 using finalcut::FPoint;
 using finalcut::FSize;
 
@@ -199,7 +200,7 @@ void SegmentView::draw()
 
   FDialog::draw();
   setColor(fc::LightGray, fc::Black);
-  FWidget::drawBorder(3, 6, 40, 11);
+  finalcut::drawBorder(this, FRect(FPoint(3, 6), FPoint(40, 11)));
 
   for (auto&& ch : Input.getText().toUpper())
   {

examples/mouse.cpp

@@ -23,9 +23,10 @@
 #include <final/final.h>
 
 namespace fc = finalcut::fc;
+using finalcut::FColorPair;
+using finalcut::FRect;
 using finalcut::FPoint;
 using finalcut::FSize;
-using finalcut::FColorPair;
 
 
 //----------------------------------------------------------------------
@@ -129,7 +130,7 @@ void ColorChooser::onMouseDown (finalcut::FMouseEvent* ev)
 void ColorChooser::draw()
 {
   setColor();
-  finalcut::FWidget::drawBorder (1, 2, 8, 11);
+  finalcut::drawBorder (this, FRect(FPoint(1, 2), FSize(8, 10)));
 
   for (FColor c = 0; c < 16; c++)
   {
@@ -243,7 +244,7 @@ void Brushes::draw()
 {
   int pos;
   setColor();
-  finalcut::FWidget::drawBorder (1, 2, 8, 4);
+  finalcut::drawBorder (this, FRect(FPoint(1, 2), FSize(8, 3)));
   print() << FPoint(2, 3)
           << FColorPair(fg_color, bg_color) << "   "
           << finalcut::FString(3, fc::MediumShade);

src/fdialog.cpp

@@ -913,39 +913,38 @@ void FDialog::initCloseMenuItem (FMenu* menu)
 //----------------------------------------------------------------------
 void FDialog::drawBorder()
 {
-  int x1 = 1
-    , x2 = 1 + int(getWidth()) - 1
-    , y1 = 2
-    , y2 = 1 + int(getHeight()) - 1;
-
   if ( (getMoveSizeWidget() == this || ! resize_click_pos.isOrigin() )
     && ! isZoomed() )
     setColor (wc.dialog_resize_fg, getBackgroundColor());
   else
     setColor();
 
-  if ( isNewFont() )
+  if ( isNewFont() )  // Draw a newfont U-shaped frame
   {
-    for (int y = y1; y < y2; y++)
+    FRect r(FPoint(1, 1), getSize());
+
+    for (int y = r.getY1() + 1; y < r.getY2(); y++)
     {
-      print() << FPoint(x1, y)  // Border left ⎸
+      print() << FPoint(r.getX1(), y)
-              << fc::NF_border_line_left;
+              << fc::NF_border_line_left        // border left ⎸
-      print() << FPoint(x2, y)  // Border right⎹
+              << FPoint(r.getX2(), y)
-              << fc::NF_rev_border_line_right;
+              << fc::NF_rev_border_line_right;  // border right⎹
     }
 
-    print() << FPoint(x1, y2)  // Lower left corner border ⎣
+    print() << r.getLowerLeftPos()  // lower left corner border ⎣
             << fc::NF_border_corner_lower_left;
 
-    for (std::size_t x = 1; x < getWidth() - 1; x++)  // low line _
+    for (int x = r.getX1() + 1; x < r.getX2(); x++)
-      print (fc::NF_border_line_bottom);
+      print (fc::NF_border_line_bottom);  // low line _
 
-    print() << FPoint(x2, y2)  // Lower right corner border ⎦
+    // lower right corner border ⎦
-            << fc::NF_rev_border_corner_lower_right;
+    print (fc::NF_rev_border_corner_lower_right);
   }
   else
   {
-    FWidget::drawBorder(x1, y1, x2, y2);
+    FRect box(FPoint(1, 2), getSize());
+    box.scaleBy(0, -1);
+    finalcut::drawBorder(this, box);
   }
 }
 

src/flistbox.cpp

@@ -816,7 +816,11 @@ void FListBox::draw()
     setReverse(true);
 
   if ( isNewFont() )
-    drawBorder (1, 1, int(getWidth()) - 1, int(getHeight()));
+  {
+    FRect box(FPoint(1, 1), getSize());
+    box.scaleBy(-1, 0);
+    finalcut::drawBorder (this, box);
+  }
   else
     drawBorder();
 
@@ -836,16 +840,7 @@ void FListBox::draw()
   if ( isMonochron() )
     setReverse(false);
 
-  if ( ! hbar->isShown() && isHorizontallyScrollable() )
+  drawScrollbars();
-    hbar->show();
-  else
-    vbar->redraw();
-
-  if ( ! vbar->isShown() && isVerticallyScrollable() )
-    vbar->show();
-  else
-    hbar->redraw();
-
   drawList();
 
   if ( flags.focus && getStatusBar() )
@@ -861,6 +856,21 @@ void FListBox::draw()
   }
 }
 
+//----------------------------------------------------------------------
+void FListBox::drawScrollbars()
+{
+  if ( ! hbar->isShown() && isHorizontallyScrollable() )
+    hbar->show();
+  else
+    vbar->redraw();
+
+  if ( ! vbar->isShown() && isVerticallyScrollable() )
+    vbar->show();
+  else
+    hbar->redraw();
+}
+
+
 //----------------------------------------------------------------------
 void FListBox::drawHeadline()
 {

src/flistview.cpp

@@ -1476,7 +1476,11 @@ void FListView::draw()
     setReverse(true);
 
   if ( isNewFont() )
-    drawBorder (1, 1, int(getWidth()) - 1, int(getHeight()));
+  {
+    FRect box(FPoint(1, 1), getSize());
+    box.scaleBy(-1, 0);
+    finalcut::drawBorder (this, box);
+  }
   else
     drawBorder();
 
@@ -1496,16 +1500,7 @@ void FListView::draw()
   if ( isMonochron() )
     setReverse(false);
 
-  if ( ! hbar->isShown() && isHorizontallyScrollable() )
+  drawScrollbars();
-    hbar->show();
-  else
-    vbar->redraw();
-
-  if ( ! vbar->isShown() && isVerticallyScrollable() )
-    vbar->show();
-  else
-    hbar->redraw();
-
   drawList();
 
   if ( flags.focus && getStatusBar() )
@@ -1521,6 +1516,20 @@ void FListView::draw()
   }
 }
 
+//----------------------------------------------------------------------
+void FListView::drawScrollbars()
+{
+  if ( ! hbar->isShown() && isHorizontallyScrollable() )
+    hbar->show();
+  else
+    vbar->redraw();
+
+  if ( ! vbar->isShown() && isVerticallyScrollable() )
+    vbar->show();
+  else
+    hbar->redraw();
+}
+
 //----------------------------------------------------------------------
 void FListView::drawHeadlines()
 {

src/frect.cpp

@@ -171,10 +171,10 @@ void FRect::setHeight (std::size_t h)
 }
 
 //----------------------------------------------------------------------
-void FRect::setSize (std::size_t w, std::size_t h)
+void FRect::setSize (std::size_t width, std::size_t height)
 {
-  X2 = X1 + int(w) - 1;
+  X2 = X1 + int(width) - 1;
-  Y2 = Y1 + int(h) - 1;
+  Y2 = Y1 + int(height) - 1;
 }
 
 //----------------------------------------------------------------------
@@ -244,6 +244,20 @@ void FRect::move (const FPoint& d)
   Y2 = Y2 + d.getY();
 }
 
+//----------------------------------------------------------------------
+void FRect::scaleBy (int dx, int dy)
+{
+  X2 += dx;
+  Y2 += dy;
+}
+
+//----------------------------------------------------------------------
+void FRect::scaleBy (const FPoint& d)
+{
+  X2 += d.getX();
+  Y2 += d.getY();
+}
+
 //----------------------------------------------------------------------
 bool FRect::contains (int x, int y) const
 {

src/fscrollview.cpp

@@ -432,7 +432,11 @@ void FScrollView::draw()
   if ( border )
   {
     if ( isNewFont() )
-      drawBorder (1, 1, int(getWidth()) - 1, int(getHeight()));
+    {
+      FRect box(FPoint(1, 1), getSize());
+      box.scaleBy(-1, 0);
+      finalcut::drawBorder (this, box);
+    }
     else
       drawBorder();
   }

src/fwidget.cpp

@@ -1419,33 +1419,6 @@ void FWidget::clearFlatBorder()
   }
 }
 
-//----------------------------------------------------------------------
-void FWidget::drawBorder (int x1, int y1, int x2, int y2)
-{
-  if ( x1 > x2 )
-    std::swap (x1, x2);
-
-  if ( y1 > y2 )
-    std::swap (y1, y2);
-
-  if ( x1 < 1 )
-    x1 = 1;
-
-  if ( y1 < 1 )
-    y1 = 1;
-
-  if ( x2 > int(getWidth()) )
-    x2 = int(getWidth());
-
-  if ( y2 > int(getHeight()) )
-    y2 = int(getHeight());
-
-  if ( isNewFont() )
-    drawNewFontBox (x1, y1, x2, y2);
-  else
-    drawBox (x1, y1, x2, y2);
-}
-
 //----------------------------------------------------------------------
 void FWidget::quit()
 {
@@ -2302,72 +2275,6 @@ void FWidget::drawBlockShadow (int x1, int y1, int x2, int y2)
     unsetInheritBackground();
 }
 
-//----------------------------------------------------------------------
-inline void FWidget::drawBox (int x1, int y1, int x2, int y2)
-{
-  // Use box-drawing characters to draw a border
-
-  print() << FPoint(x1, y1) << fc::BoxDrawingsDownAndRight;  // ┌
-
-  for (int x = x1 + 1; x < x2; x++)
-    print (fc::BoxDrawingsHorizontal);     // ─
-
-  print (fc::BoxDrawingsDownAndLeft);      // ┐
-
-  for (int y = y1 + 1; y < y2; y++)
-  {
-    print() << FPoint(x1, y)
-            << fc::BoxDrawingsVertical     // │
-            << FPoint(x2, y)
-            << fc::BoxDrawingsVertical;    // │
-  }
-
-  print() << FPoint(x1, y2) << fc::BoxDrawingsUpAndRight;  // └
-
-  for (int x = x1 + 1; x < x2; x++)
-    print (fc::BoxDrawingsHorizontal);     // ─
-
-  print (fc::BoxDrawingsUpAndLeft);        // ┘
-
-  for (int x = x1 + 1; x < x2; x++)
-  {
-    print() << FPoint(x, y1)
-            << fc::BoxDrawingsHorizontal   // ─
-            << FPoint(x, y2)
-            << fc::BoxDrawingsHorizontal;  // ─
-  }
-}
-
-//----------------------------------------------------------------------
-inline void FWidget::drawNewFontBox (int x1, int y1, int x2, int y2)
-{
-  // Use new graphical font characters to draw a border
-
-  print() << FPoint(x1, y1)
-          << fc::NF_border_corner_middle_upper_left;  // ┌
-
-  for (int x = x1 + 1; x < x2; x++)
-    print (fc::BoxDrawingsHorizontal);                // ─
-
-  print (fc::NF_border_corner_middle_upper_right);    // ┐
-
-  for (int y = y1 + 1; y <= y2; y++)
-  {
-    print() << FPoint(x1, y)
-            << fc::NF_border_line_left        // border left ⎸
-            << FPoint(x2, y)
-            << fc::NF_rev_border_line_right;  // border right⎹
-  }
-
-  print() << FPoint(x1, y2)
-          << fc::NF_border_corner_middle_lower_left;  // └
-
-  for (int x = x1 + 1; x < x2; x++)
-    print (fc::BoxDrawingsHorizontal);  // ─
-
-  print (fc::NF_border_corner_middle_lower_right);  // ┘
-}
-
 //----------------------------------------------------------------------
 void FWidget::setColorTheme()
 {
@@ -2433,4 +2340,88 @@ FKey getHotkey (const FString& text)
   return 0;
 }
 
+//----------------------------------------------------------------------
+inline void drawBox (FWidget* w, const FRect& r)
+{
+  // Use box-drawing characters to draw a border
+
+  w->print() << r.getUpperLeftPos() << fc::BoxDrawingsDownAndRight;  // ┌
+
+  for (int x = r.getX1() + 1; x < r.getX2(); x++)
+    w->print (fc::BoxDrawingsHorizontal);     // ─
+
+  w->print (fc::BoxDrawingsDownAndLeft);      // ┐
+
+  for (int y = r.getY1() + 1; y < r.getY2(); y++)
+  {
+    w->print() << FPoint(r.getX1(), y)
+               << fc::BoxDrawingsVertical     // │
+               << FPoint(r.getX2(), y)
+               << fc::BoxDrawingsVertical;    // │
+  }
+
+  w->print() << r.getLowerLeftPos() << fc::BoxDrawingsUpAndRight;  // └
+
+  for (int x = r.getX1() + 1; x < r.getX2(); x++)
+    w->print (fc::BoxDrawingsHorizontal);     // ─
+
+  w->print (fc::BoxDrawingsUpAndLeft);        // ┘
+}
+
+//----------------------------------------------------------------------
+inline void drawNewFontBox (FWidget* w, const FRect& r)
+{
+  // Use new graphical font characters to draw a border
+
+  w->print() << r.getUpperLeftPos()
+             << fc::NF_border_corner_middle_upper_left;  // ┌
+  for (int x = r.getX1() + 1; x < r.getX2(); x++)
+    w->print (fc::BoxDrawingsHorizontal);                // ─
+
+  w->print (fc::NF_border_corner_middle_upper_right);    // ┐
+
+  for (int y = r.getY1() + 1; y < r.getY2(); y++)
+  {
+    w->print() << FPoint(r.getX1(), y)
+               << fc::NF_border_line_left        // border left ⎸
+               << FPoint(r.getX2(), y)
+               << fc::NF_rev_border_line_right;  // border right⎹
+  }
+
+  w->print() << r.getLowerLeftPos()
+             << fc::NF_border_corner_middle_lower_left;  // └
+
+  for (int x = r.getX1() + 1; x < r.getX2(); x++)
+    w->print (fc::BoxDrawingsHorizontal);  // ─
+
+  w->print (fc::NF_border_corner_middle_lower_right);  // ┘
+}
+
+//----------------------------------------------------------------------
+void drawBorder (FWidget* w, FRect r)
+{
+  if ( r.x1_ref() > r.x2_ref() )
+    std::swap (r.x1_ref(), r.x2_ref());
+
+  if ( r.y1_ref() > r.y2_ref() )
+    std::swap (r.y1_ref(), r.y2_ref());
+
+  if ( r.x1_ref() < 1 )
+    r.x1_ref() = 1;
+
+  if ( r.y1_ref() < 1 )
+    r.y1_ref() = 1;
+
+  if ( r.x2_ref() > int(w->getWidth()) )
+    r.x2_ref() = int(w->getWidth());
+
+  if ( r.y2_ref() > int(w->getHeight()) )
+    r.y2_ref() = int(w->getHeight());
+
+  if ( w->isNewFont() )
+    drawNewFontBox (w, r);
+  else
+    drawBox (w, r);
+}
+
 }  // namespace finalcut

src/fwindow.cpp

@@ -247,36 +247,32 @@ bool FWindow::isWindowHidden() const
 //----------------------------------------------------------------------
 void FWindow::drawBorder()
 {
-  if ( isNewFont() )
+  if ( isNewFont() )  // Draw a newfont outer frame
   {
-    int x1 = 1
+    FRect r(FPoint(1, 1), getSize());
-      , x2 = 1 + int(getWidth()) - 1
+    print() << r.getUpperLeftPos()
-      , y1 = 1
+            << fc::NF_border_corner_upper_left;    // ⎡
-      , y2 = 1 + int(getHeight()) - 1;
+    for (int x = r.getX1() + 1; x < r.getX2(); x++)
-
-    print() << FPoint(x1, y1) << fc::NF_border_corner_upper_left;  // ⎡
-
-    for (int x = x1 + 1; x < x2; x++)
       print (fc::NF_border_line_upper);            // ¯
 
     print (fc::NF_rev_border_corner_upper_right);  // ⎤
 
-    for (int y = y1 + 1; y < y2; y++)
+    for (int y = r.getY1() + 1; y < r.getY2(); y++)
     {
-      print() << FPoint(x1, y)  // border left ⎸
+      print() << FPoint(r.getX1(), y)
-              << fc::NF_border_line_left
+              << fc::NF_border_line_left        // border left ⎸
-              << FPoint(x2, y)  // border right⎹
+              << FPoint(r.getX2(), y)
-              << fc::NF_rev_border_line_right;
+              << fc::NF_rev_border_line_right;  // border right⎹
     }
 
-    print() << FPoint(x1, y2)  // lower left corner border ⎣
+    print() << r.getLowerLeftPos()  // lower left corner border ⎣
             << fc::NF_border_corner_lower_left;
 
-    for (std::size_t x = 2; x < getWidth(); x++)  // low line _
+    for (int x = r.getX1() + 1; x < r.getX2(); x++)
-      print (fc::NF_border_line_bottom);
+      print (fc::NF_border_line_bottom);  // low line _
 
-    print() << FPoint(x2, y2)  // lower right corner border ⎦
+    // lower right corner border ⎦
-            << fc::NF_rev_border_corner_lower_right;
+    print (fc::NF_rev_border_corner_lower_right);
   }
   else
   {

src/include/final/flistbox.h

@@ -268,6 +268,7 @@ class FListBox : public FWidget
                                       , fc::orientation
                                       , FListBoxCallback );
     void                draw() override;
+    void                drawScrollbars();
     void                drawHeadline();
     void                drawList();
     void                drawListLine (int, listBoxItems::iterator, bool);

src/include/final/flistview.h

@@ -394,6 +394,7 @@ class FListView : public FWidget
                                         , std::size_t
                                         , std::size_t );
     void                 draw() override;
+    void                 drawScrollbars();
     void                 drawHeadlines();
     void                 drawList();
     void                 drawListLine (const FListViewItem*, bool, bool);

src/include/final/frect.h

@@ -128,6 +128,8 @@ class FRect
     // Methods
     void                move (int, int);
     void                move (const FPoint&);
+    void                scaleBy (int, int);
+    void                scaleBy (const FPoint&);
     bool                contains (int, int) const;
     bool                contains (const FPoint&) const;
     bool                contains (const FRect&) const;

src/include/final/fwidget.h

@@ -339,7 +339,6 @@ class FWidget : public FVTerm, public FObject
     void                clearShadow();
     void                drawFlatBorder();
     void                clearFlatBorder();
-    virtual void        drawBorder (int, int, int, int);
     virtual void        drawBorder();
     static void         quit();
 
@@ -431,8 +430,6 @@ class FWidget : public FVTerm, public FObject
     void                drawChildren();
     void                drawTransparentShadow (int, int, int, int);
     void                drawBlockShadow (int, int, int, int);
-    void                drawBox (int, int, int, int);
-    void                drawNewFontBox (int, int, int, int);
     static void         setColorTheme();
 
     // Data Members
@@ -523,6 +520,13 @@ class FWidget : public FVTerm, public FObject
 
 #pragma pack(pop)
 
+// non-member function forward declarations
+//----------------------------------------------------------------------
+char* createBlankArray (std::size_t);
+void  destroyBlankArray (char[]);
+FKey  getHotkey (const FString&);
+void  drawBorder (FWidget*, FRect);
+
 // FWidget inline functions
 //----------------------------------------------------------------------
 inline const char* FWidget::getClassName() const
@@ -937,7 +941,9 @@ inline void FWidget::print (const FPoint& pos)
 
 //----------------------------------------------------------------------
 inline void FWidget::drawBorder()
-{ drawBorder (1, 1, int(getWidth()), int(getHeight())); }
+{
+  finalcut::drawBorder (this, FRect(FPoint(1, 1), getSize()));
+}
 
 //----------------------------------------------------------------------
 inline void FWidget::processDestroy()
@@ -1005,12 +1011,6 @@ const wchar_t CHECKED_RADIO_BUTTON[4] =
   '\0'
 };
 
-// non-member function forward declarations
-//----------------------------------------------------------------------
-char* createBlankArray (std::size_t);
-void destroyBlankArray (char[]);
-FKey getHotkey (const FString&);
-
 }  // namespace finalcut
 
 #endif  // FWIDGET_H

test/frect-test.cpp

@@ -56,6 +56,7 @@ class FRectTest : public CPPUNIT_NS::TestFixture
     void subtractionTest();
     void referenceTest();
     void moveTest();
+    void scaleTest();
     void containsTest();
     void overlapTest();
     void intersectTest();
@@ -79,6 +80,7 @@ class FRectTest : public CPPUNIT_NS::TestFixture
     CPPUNIT_TEST (subtractionTest);
     CPPUNIT_TEST (referenceTest);
     CPPUNIT_TEST (moveTest);
+    CPPUNIT_TEST (scaleTest);
     CPPUNIT_TEST (containsTest);
     CPPUNIT_TEST (overlapTest);
     CPPUNIT_TEST (intersectTest);
@@ -498,6 +500,38 @@ void FRectTest::moveTest()
   CPPUNIT_ASSERT ( r1.getY2() == 19 );
 }
 
+//----------------------------------------------------------------------
+void FRectTest::scaleTest()
+{
+  finalcut::FRect r1 (finalcut::FPoint(5, 5), finalcut::FSize(15, 15));
+  CPPUNIT_ASSERT ( r1.getX() == 5 );
+  CPPUNIT_ASSERT ( r1.getY() == 5 );
+  CPPUNIT_ASSERT ( r1.getWidth() == 15 );
+  CPPUNIT_ASSERT ( r1.getHeight() == 15 );
+  CPPUNIT_ASSERT ( r1.getSize() == finalcut::FSize(15, 15) );
+  CPPUNIT_ASSERT ( r1.getX2() == 19 );
+  CPPUNIT_ASSERT ( r1.getY2() == 19 );
+
+  const finalcut::FPoint p1 (-2, -3);
+  r1.scaleBy(p1);
+  CPPUNIT_ASSERT ( r1.getX() == 5 );
+  CPPUNIT_ASSERT ( r1.getY() == 5 );
+  CPPUNIT_ASSERT ( r1.getWidth() == 13 );
+  CPPUNIT_ASSERT ( r1.getHeight() == 12 );
+  CPPUNIT_ASSERT ( r1.getSize() == finalcut::FSize(13, 12) );
+  CPPUNIT_ASSERT ( r1.getX2() == 17 );
+  CPPUNIT_ASSERT ( r1.getY2() == 16 );
+
+  r1.scaleBy(1, -1);
+  CPPUNIT_ASSERT ( r1.getX() == 5 );
+  CPPUNIT_ASSERT ( r1.getY() == 5 );
+  CPPUNIT_ASSERT ( r1.getWidth() == 14 );
+  CPPUNIT_ASSERT ( r1.getHeight() == 11 );
+  CPPUNIT_ASSERT ( r1.getSize() == finalcut::FSize(14, 11) );
+  CPPUNIT_ASSERT ( r1.getX2() == 18 );
+  CPPUNIT_ASSERT ( r1.getY2() == 15 );
+}
+
 //----------------------------------------------------------------------
 void FRectTest::containsTest()
 {