Add find() method to help widget and search box to help dialog.

Default to blue for the selection color on OSX; otherwise links and
other visual elements are not the correct color.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@2993 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

CHANGES

@@ -1,5 +1,9 @@
 CHANGES IN FLTK 1.1.4
 
+	- The Fl_Help_View widget now provides a find() method
+	  to search for text within the page.
+	- The Fl_Help_Dialog widget now provides a search box
+	  for entering text to search for.
 	- The default font encoding on OSX did not match the
 	  default on WIN32 or X11.
 	- Menu items were not drawn using the font specified in

FL/Fl_Help_Dialog.H

@@ -6,12 +6,14 @@
 #include <FL/Fl_Double_Window.H>
 #include <FL/Fl_Help_View.H>
 #include <FL/Fl_Button.H>
+#include <FL/Fl_Input.H>
 
 class FL_EXPORT Fl_Help_Dialog {
   int index_;
   int max_;
   int line_[100];
   char file_[100][256];
+  int find_pos_;
 public:
   Fl_Help_Dialog();
 private:
@@ -33,6 +35,9 @@ private:
   Fl_Button *larger_;
   inline void cb_larger__i(Fl_Button*, void*);
   static void cb_larger_(Fl_Button*, void*);
+  Fl_Input *find_;
+  inline void cb_find__i(Fl_Input*, void*);
+  static void cb_find_(Fl_Input*, void*);
 public:
   ~Fl_Help_Dialog();
   int h();

FL/Fl_Help_View.H

@@ -1,5 +1,5 @@
 //
-// "$Id: Fl_Help_View.H,v 1.1.2.11 2003/01/30 21:39:13 easysw Exp $"
+// "$Id: Fl_Help_View.H,v 1.1.2.12 2003/05/21 16:12:14 easysw Exp $"
 //
 // Help Viewer widget definitions.
 //
@@ -164,6 +164,7 @@ class FL_EXPORT Fl_Help_View : public Fl_Group	//// Help viewer widget
   					else return ((const char *)0); }
   const char	*filename() const { if (filename_[0]) return (filename_);
   					else return ((const char *)0); }
+  int		find(const char *s, int p = 0);
   void		link(Fl_Help_Func *fn) { link_ = fn; }
   int		load(const char *f);
   void		resize(int,int,int,int);
@@ -187,5 +188,5 @@ class FL_EXPORT Fl_Help_View : public Fl_Group	//// Help viewer widget
 #endif // !Fl_Help_View_H
 
 //
-// End of "$Id: Fl_Help_View.H,v 1.1.2.11 2003/01/30 21:39:13 easysw Exp $".
+// End of "$Id: Fl_Help_View.H,v 1.1.2.12 2003/05/21 16:12:14 easysw Exp $".
 //

src/Fl_Help_Dialog.cxx

@@ -106,6 +106,13 @@ void Fl_Help_Dialog::cb_larger_(Fl_Button* o, void* v) {
   ((Fl_Help_Dialog*)(o->parent()->user_data()))->cb_larger__i(o,v);
 }
 
+inline void Fl_Help_Dialog::cb_find__i(Fl_Input*, void*) {
+  find_pos_ = view_->find(find_->value(), find_pos_);
+}
+void Fl_Help_Dialog::cb_find_(Fl_Input* o, void* v) {
+  ((Fl_Help_Dialog*)(o->parent()->user_data()))->cb_find__i(o,v);
+}
+
 Fl_Help_Dialog::Fl_Help_Dialog() {
   Fl_Double_Window* w;
   { Fl_Double_Window* o = window_ = new Fl_Double_Window(530, 385, "Help Dialog");
@@ -129,30 +136,34 @@ Fl_Help_Dialog::Fl_Help_Dialog() {
       o->callback((Fl_Callback*)cb_Close);
       o->label(fl_close);
     }
-    { Fl_Button* o = back_ = new Fl_Button(365, 350, 25, 25, "@<-");
+    { Fl_Button* o = back_ = new Fl_Button(355, 350, 25, 25, "@<-");
       o->tooltip("Show the previous help page.");
       o->shortcut(0xff51);
       o->labelcolor(2);
       o->callback((Fl_Callback*)cb_back_);
     }
-    { Fl_Button* o = forward_ = new Fl_Button(395, 350, 25, 25, "@->");
+    { Fl_Button* o = forward_ = new Fl_Button(390, 350, 25, 25, "@->");
       o->tooltip("Show the next help page.");
       o->shortcut(0xff53);
       o->labelcolor(2);
       o->callback((Fl_Callback*)cb_forward_);
     }
-    { Fl_Button* o = smaller_ = new Fl_Button(305, 350, 25, 25, "F");
+    { Fl_Button* o = smaller_ = new Fl_Button(285, 350, 25, 25, "F");
       o->tooltip("Make the help text smaller.");
       o->labelfont(1);
       o->labelsize(10);
       o->callback((Fl_Callback*)cb_smaller_);
     }
-    { Fl_Button* o = larger_ = new Fl_Button(335, 350, 25, 25, "F");
+    { Fl_Button* o = larger_ = new Fl_Button(320, 350, 25, 25, "F");
       o->tooltip("Make the help text larger.");
       o->labelfont(1);
       o->labelsize(16);
       o->callback((Fl_Callback*)cb_larger_);
     }
+    { Fl_Input* o = find_ = new Fl_Input(10, 350, 265, 25);
+      o->callback((Fl_Callback*)cb_find_);
+      o->when(FL_WHEN_ENTER_KEY_ALWAYS);
+    }
     o->end();
   }
   back_->deactivate();
@@ -160,6 +171,7 @@ forward_->deactivate();
 
 index_    = -1;
 max_      = 0;
+find_pos_ = 0;
 
 fl_register_images();
 }

src/Fl_Help_Dialog.fl

@@ -12,11 +12,12 @@ class FL_EXPORT Fl_Help_Dialog {open
   decl {int max_;} {}
   decl {int line_[100];} {}
   decl {char file_[100][256];} {}
+  decl {int find_pos_;} {}
   Function {Fl_Help_Dialog()} {open
   } {
     Fl_Window window_ {
       label {Help Dialog} open
-      private xywh {470 380 530 385} type Double resizable visible
+      private xywh {398 65 530 385} type Double resizable visible
     } {
       Fl_Group view_ {
         callback {if (view_->changed())
@@ -47,7 +48,7 @@ else if (view_->filename())
 {
   strlcpy(file_[index_], view_->filename(), sizeof(file_[0]));
   line_[index_] = view_->topline();
-}} open selected
+}} open
         private xywh {10 10 510 330} box DOWN_BOX selection_color 15 resizable
         code0 {\#include <FL/Fl_Help_View.H>}
         class Fl_Help_View
@@ -72,7 +73,7 @@ if (strcmp(view_->filename(), file_[index_]) != 0)
   view_->load(file_[index_]);
 
 view_->topline(line_[index_]);}
-        private tooltip {Show the previous help page.} xywh {365 350 25 25} shortcut 0xff51 labelcolor 2
+        private tooltip {Show the previous help page.} xywh {355 350 25 25} shortcut 0xff51 labelcolor 2
       }
       Fl_Button forward_ {
         label {@->}
@@ -88,7 +89,7 @@ if (strcmp(view_->filename(), file_[index_]) != 0)
   view_->load(file_[index_]);
 
 view_->topline(line_[index_]);}
-        private tooltip {Show the next help page.} xywh {395 350 25 25} shortcut 0xff53 labelcolor 2
+        private tooltip {Show the next help page.} xywh {390 350 25 25} shortcut 0xff53 labelcolor 2
       }
       Fl_Button smaller_ {
         label F
@@ -98,7 +99,7 @@ view_->topline(line_[index_]);}
 if (view_->textsize() <= 8)
   smaller_->deactivate();
 larger_->activate();}
-        private tooltip {Make the help text smaller.} xywh {305 350 25 25} labelfont 1 labelsize 10
+        private tooltip {Make the help text smaller.} xywh {285 350 25 25} labelfont 1 labelsize 10
       }
       Fl_Button larger_ {
         label F
@@ -108,7 +109,11 @@ larger_->activate();}
 if (view_->textsize() >= 18)
   larger_->deactivate();
 smaller_->activate();}
-        private tooltip {Make the help text larger.} xywh {335 350 25 25} labelfont 1 labelsize 16
+        private tooltip {Make the help text larger.} xywh {320 350 25 25} labelfont 1 labelsize 16
+      }
+      Fl_Input find_ {
+        callback {find_pos_ = view_->find(find_->value(), find_pos_);} selected
+        private xywh {10 350 265 25} when 10
       }
     }
     code {back_->deactivate();
@@ -116,6 +121,7 @@ forward_->deactivate();
 
 index_    = -1;
 max_      = 0;
+find_pos_ = 0;
 
 fl_register_images();} {}
   }

src/Fl_Help_View.cxx

@@ -1,5 +1,5 @@
 //
-// "$Id: Fl_Help_View.cxx,v 1.1.2.46 2003/01/30 21:41:54 easysw Exp $"
+// "$Id: Fl_Help_View.cxx,v 1.1.2.47 2003/05/21 16:12:14 easysw Exp $"
 //
 // Fl_Help_View widget routines.
 //
@@ -766,6 +766,68 @@ Fl_Help_View::draw()
 }
 
 
+//
+// 'Fl_Help_View::find()' - Find the specified string...
+//
+
+int						// O - Matching position or -1 if not found
+Fl_Help_View::find(const char *s,		// I - String to find
+                   int        p)		// I - Starting position
+{
+  int		i,				// Looping var
+		c;				// Current character
+  Fl_Help_Block	*b;				// Current block
+  const char	*bp,				// Block matching pointer
+		*bs,				// Start of current comparison
+		*sp;				// Search string pointer
+
+
+  // Range check input...
+  if (!s) return -1;
+
+  if (p < 0 || p >= (int)strlen(value_)) p = 0;
+  else if (p > 0) p ++;
+
+  // Look for the string...
+  for (i = nblocks_, b = blocks_; i > 0; i --, b ++) {
+    if (b->end < (value_ + p))
+      continue;
+
+    if (b->start < (value_ + p)) bp = value_ + p;
+    else bp = b->start;
+
+    for (sp = s, bs = bp; *sp && *bp && bp < b->end; bp ++) {
+      if (*bp == '<') {
+        // skip to end of element...
+	while (*bp && bp < b->end && *bp != '>') bp ++;
+	continue;
+      } else if (*bp == '&') {
+        // decode HTML entity...
+	if ((c = quote_char(bp + 1)) < 0) c = '&';
+	else bp = strchr(bp + 1, ';') + 1;
+      } else c = *bp;
+
+      if (tolower(*sp) == tolower(c)) sp ++;
+      else {
+        // No match, so reset to start of search...
+	sp = s;
+	bs ++;
+	bp = bs;
+      }
+    }
+
+    if (!*sp) {
+      // Found a match!
+      topline(b->y - b->h);
+      return (b->end - value_);
+    }
+  }
+
+  // No match!
+  return (-1);
+}
+
+
 //
 // 'Fl_Help_View::format()' - Format the help text.
 //
@@ -2731,5 +2793,5 @@ hscrollbar_callback(Fl_Widget *s, void *)
 
 
 //
-// End of "$Id: Fl_Help_View.cxx,v 1.1.2.46 2003/01/30 21:41:54 easysw Exp $".
+// End of "$Id: Fl_Help_View.cxx,v 1.1.2.47 2003/05/21 16:12:14 easysw Exp $".
 //

src/Fl_get_system_colors.cxx

@@ -1,5 +1,5 @@
 //
-// "$Id: Fl_get_system_colors.cxx,v 1.6.2.7.2.19 2003/05/18 22:12:21 easysw Exp $"
+// "$Id: Fl_get_system_colors.cxx,v 1.6.2.7.2.20 2003/05/21 16:12:14 easysw Exp $"
 //
 // System color support for the Fast Light Tool Kit (FLTK).
 //
@@ -150,7 +150,7 @@ void Fl::get_system_colors()
   foreground(0, 0, 0);
   background(0xd8, 0xd8, 0xd8);
   background2(0xff, 0xff, 0xff);
-  set_selection_color(0x80, 0x80, 0x80);
+  set_selection_color(0x00, 0x00, 0x80);
 }
 #else
 
@@ -320,5 +320,5 @@ int Fl::reload_scheme() {
 
 
 //
-// End of "$Id: Fl_get_system_colors.cxx,v 1.6.2.7.2.19 2003/05/18 22:12:21 easysw Exp $".
+// End of "$Id: Fl_get_system_colors.cxx,v 1.6.2.7.2.20 2003/05/21 16:12:14 easysw Exp $".
 //