Adds Fl_Browser::middleline(int) and Fl_Browser::bottomline(int).

git-svn-id: file:///fltk/svn/fltk/trunk@257 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
fltk · Jan 30, 1999 · 620d03e · 620d03e
1 parent 03ad382
commit 620d03e
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Showing 2 changed files with 23 additions and 7 deletions.
diff --git a/FL/Fl_Browser.H b/FL/Fl_Browser.H
@@ -1,5 +1,5 @@
 //
-// "$Id: Fl_Browser.H,v 1.6 1999/01/07 19:16:51 mike Exp $"
+// "$Id: Fl_Browser.H,v 1.7 1999/01/30 00:39:26 carl Exp $"
 //
 // Browser header file for the Fast Light Tool Kit (FLTK).
 //
@@ -72,8 +72,13 @@ public:
   void clear();
 
   int size() const {return lines;}
+
   int topline() const ;
-  void topline(int);
+  enum Fl_Line_Position { TOP, BOTTOM, MIDDLE };
+  void lineposition(int, Fl_Line_Position);
+  void topline(int l) { lineposition(l, TOP); }
+  void bottomline(int l) { lineposition(l, BOTTOM); }
+  void middleline(int l) { lineposition(l, MIDDLE); }
 
   int select(int, int=1);
   int selected(int) const ;
@@ -108,5 +113,5 @@ public:
 #endif
 
 //
-// End of "$Id: Fl_Browser.H,v 1.6 1999/01/07 19:16:51 mike Exp $".
+// End of "$Id: Fl_Browser.H,v 1.7 1999/01/30 00:39:26 carl Exp $".
 //
diff --git a/src/Fl_Browser.cxx b/src/Fl_Browser.cxx
@@ -1,5 +1,5 @@
 //
-// "$Id: Fl_Browser.cxx,v 1.6 1999/01/07 19:17:16 mike Exp $"
+// "$Id: Fl_Browser.cxx,v 1.7 1999/01/30 00:39:28 carl Exp $"
 //
 // Browser widget for the Fast Light Tool Kit (FLTK).
 //
@@ -356,14 +356,25 @@ Fl_Browser::Fl_Browser(int x, int y, int w, int h, const char*l)
   first = last = cache = 0;
 }
 
-void Fl_Browser::topline(int line) {
+void Fl_Browser::lineposition(int line, Fl_Line_Position pos) {
   if (line<1) line = 1;
   if (line>lines) line = lines;
   int p = 0;
   for (FL_BLINE* l=first; l&& line>1; l = l->next) {
     line--; p += item_height(l);
   }
-  position(p);
+
+  int final = p, X, Y, W, H;
+  bbox(X, Y, W, H);
+
+  switch(pos) {
+    case TOP: break;
+    case BOTTOM: final -= H; break;
+    case MIDDLE: final -= H/2; break;
+  }
+
+  if (final > (full_height() - H)) final = full_height() -H;
+  position(final);
 }
 
 int Fl_Browser::topline() const {
@@ -440,5 +451,5 @@ int Fl_Browser::value() const {
 }
 
 //
-// End of "$Id: Fl_Browser.cxx,v 1.6 1999/01/07 19:17:16 mike Exp $".
+// End of "$Id: Fl_Browser.cxx,v 1.7 1999/01/30 00:39:28 carl Exp $".
 //