Adding size range settings to Fl_Tile, initial commit.

- some documentation missing
- Fl_Tile::resize() not satisfying yet
- minimums work, maximums currently ignored
- 0 size children may make program hang

2 files changed, 34 insertions, 0 deletions

diff --git a/FL/Fl_Rect.H b/FL/Fl_Rect.H
index 29e7fd451..386deb427 100644
--- a/FL/Fl_Rect.H
+++ b/FL/Fl_Rect.H
@@ -88,6 +88,9 @@ public:
   void w(int W) { w_ = W; }             ///< sets the width
   void h(int H) { h_ = H; }             ///< sets the height
 
+  void r(int R) { w_ = R - x_; }        ///< sets the width based on R and x
+  void b(int B) { h_ = B - y_; }        ///< sets the height based on B and y
+
   /** Move all edges in by \p d.
 
     Shrinks the rectangle by \p d at all sides keeping the center of the
@@ -143,6 +146,14 @@ public:
     h_ -= (top + bottom);
   }
 
+  friend bool operator==(const Fl_Rect& lhs, const Fl_Rect& rhs) {
+    return (lhs.x_==rhs.x_) && (lhs.y_==rhs.y_) && (lhs.w_==rhs.w_) && (lhs.h_==rhs.h_);
+  }
+
+  friend bool operator!=(const Fl_Rect& lhs, const Fl_Rect& rhs) {
+    return !(lhs==rhs);
+  }
+
 }; // class Fl_Rect
 
 #endif // Fl_Rect_H
diff --git a/FL/Fl_Tile.H b/FL/Fl_Tile.H
index a7de02fea..64a3ba530 100644
--- a/FL/Fl_Tile.H
+++ b/FL/Fl_Tile.H
@@ -28,11 +28,16 @@ class FL_EXPORT Fl_Tile : public Fl_Group {
 public:
   int handle(int event) FL_OVERRIDE;
   Fl_Tile(int X, int Y, int W, int H, const char *L=0);
+  ~Fl_Tile() FL_OVERRIDE;
   void resize(int X, int Y, int W, int H) FL_OVERRIDE;
   virtual void move_intersection(int oldx, int oldy, int newx, int newy);
+  virtual void drag_intersection(int oldx, int oldy, int newx, int newy);
   FL_DEPRECATED("in 1.4.0 - use move_intersection(p) instead",
   void position(int oldx, int oldy, int newx, int newy)) { move_intersection(oldx, oldy, newx, newy); }
   void position(int x, int y) { Fl_Group::position(x, y); }
+  void size_range(int index, int minw, int minh, int maxw=0x7FFFFFFF, int maxh=0x7FFFFFFF);
+  void size_range(Fl_Widget *w , int minw, int minh, int maxw=0x7FFFFFFF, int maxh=0x7FFFFFFF);
+  void init_size_range(int default_min_w = -1, int default_min_h = -1);
 
 protected:
   int cursor_;                  ///< current cursor index (0..3)
@@ -47,6 +52,24 @@ protected:
   }
 
   void set_cursor(int n);       // set one of n (0..3) cursors
+
+  typedef struct { int minw, minh, maxw, maxh; } Size_Range;
+
+  Size_Range *size_range_;
+  int size_range_size_, size_range_capacity_;
+  int default_min_w_, default_min_h_;
+  void request_shrink_l(int old_l, int &new_l, Fl_Rect *final_size);
+  void request_shrink_r(int old_r, int &new_r, Fl_Rect *final_size);
+  void request_shrink_t(int old_t, int &new_t, Fl_Rect *final_size);
+  void request_shrink_b(int old_b, int &new_b, Fl_Rect *final_size);
+  void request_grow_l(int old_l, int &new_l, Fl_Rect *final_size);
+  void request_grow_r(int old_r, int &new_r, Fl_Rect *final_size);
+  void request_grow_t(int old_t, int &new_t, Fl_Rect *final_size);
+  void request_grow_b(int old_b, int &new_b, Fl_Rect *final_size);
+
+  int on_insert(Fl_Widget*, int) FL_OVERRIDE;
+  int on_move(int, int) FL_OVERRIDE;
+  void on_remove(int) FL_OVERRIDE;
 };
 
 #endif