Initial revision

src/Hist.H

+#ifndef HIST_H
+#define HIST_H
+
+#include <FL/Fl_Input.H>
+#include <FL/Fl_Browser.H>
+
+class Hist;
+
+class HistInput : public Fl_Input {
+ public:
+  HistInput(int x,int y,int w,int h,const char *label=0) :
+			    Fl_Input(x,y,w,h,label) {
+    hist_ = 0;
+  }
+  virtual int handle(int ev);
+  void hist( Hist *h );
+  Hist *hist() { return hist_; }
+
+ protected:
+  Hist *hist_;
+};
+
+class HistBrowser : public Fl_Browser {
+ public:
+  HistBrowser(int x, int y, int w, int h, const char *l=0) :
+				Fl_Browser(x,y,w,h,l) {
+    hist_ = 0;
+    callback( (void (*)(Fl_Widget *,void *))picked_cb );
+  }
+  virtual int handle(int ev);
+  void hist( Hist *h );
+  Hist *hist() const { return hist_; }
+  int min, max;		// range of selection ... ?
+
+  int is_cmd( int line );
+  int find_cmd( int fromline, int incr );
+  void addline( const char *str, int is_cmd=0 );
+  int handle_nav( int ev );
+  void tighten_histrange();
+
+  static void picked_cb( HistBrowser *, void * );
+
+ protected:
+  Hist *hist_;
+  int selscanup(int fromline);
+  int selscandown( int fromline);
+};
+
+class Hist : public Fl_Group {
+ public:
+  Hist(int x, int y, int w, int h, const char *l=0) :
+				Fl_Group(x,y,w,h,l) {
+    inp = 0;
+    brow = 0;
+  }
+  virtual int handle(int ev);
+
+  HistInput *input() const { return inp; }
+  void input(HistInput *i) { inp = i; }
+  HistBrowser *browser() const { return brow; }
+  void browser(HistBrowser *b) { brow = b; }
+
+  int handle_nav( int ev ) {
+    return brow ? brow->handle_nav(ev) : 0;
+  }
+
+  void addline( const char *str, int is_cmd=0 ) {
+    if(brow) brow->addline(str, is_cmd);
+  }
+
+ protected:
+  HistInput *inp;
+  HistBrowser *brow;
+};
+
+
+#endif