Fl_File_Chooser: added a "Show hidden files" button. Hidden files aren't shown

by default now. This removes a TODO clause.
Fl_Native_File_Chooser: removed the hack that added the "Show hidden files" button, and
made the "file already exists" warning message localizable.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@8282 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

FL/Fl_File_Chooser.H

@@ -123,6 +123,9 @@ private:
   Fl_Return_Button *favOkButton;
   void cb_favOkButton_i(Fl_Return_Button*, void*);
   static void cb_favOkButton(Fl_Return_Button*, void*);
+  Fl_Check_Button *show_hidden;
+  static void show_hidden_cb(Fl_Check_Button*, void*);
+  void remove_hidden_files();
 public:
   ~Fl_File_Chooser();
   void callback(void (*cb)(Fl_File_Chooser *, void *), void *d = 0);
@@ -213,6 +216,10 @@ public:
      [standard text may be customized at run-time]
   */
   static const char *show_label; 
+  /** 
+     [standard text may be customized at run-time]
+ */
+  static const char *hidden_label;
   /**
      the sort function that is used when loading
      the contents of a directory.

FL/Fl_Native_File_Chooser_FLTK.H

@@ -72,6 +72,8 @@
 
   - Under X windows, it's best if you call Fl_File_Icon::load_system_icons()
     at the start of main(), to enable the nicer looking file browser widgets.
+    Use the static public attributes of class Fl_File_Chooser to localize
+    the browser.
   - Some operating systems support certain OS specific options; see 
     Fl_Native_File_Chooser::options() for a list.
 
@@ -95,6 +97,8 @@ public:
     NEW_FOLDER     = 0x0002,		///< Show 'New Folder' icon (if supported)
     PREVIEW        = 0x0004		///< enable preview mode
   };
+  /** Localizable message */
+  static const char *file_exists_message;
 private:
   int   _btype;			// kind-of browser to show()
   int   _options;		// general options
@@ -106,16 +110,8 @@ private:
   char *_prevvalue;		// Returned filename
   char *_directory;
   char *_errmsg;		// error message
-  char *_old_dir;
   Fl_File_Chooser *_file_chooser;
 
-  // added by MG
-  Fl_File_Browser *my_fileList;
-  Fl_Check_Button *show_hidden;
-  int prev_filtervalue;
-  static void show_hidden_cb(Fl_Check_Button *o, void *data);
-  static void remove_hidden_files(Fl_File_Browser *my_fileList);
-
   // Private methods
   void errmsg(const char *msg);
   int type_fl_file(int);

FL/Fl_Native_File_Chooser_MAC.H

@@ -49,6 +49,7 @@ public:
     NEW_FOLDER     = 0x0002,		// Show 'New Folder' icon (if supported)
     PREVIEW        = 0x0004 		// enable preview mode
   };
+  static const char *file_exists_message;
 private:
   int             _btype;		// kind-of browser to show()
   int             _options;		// general options

FL/Fl_Native_File_Chooser_WIN32.H

@@ -52,6 +52,7 @@ public:
     NEW_FOLDER     = 0x0002,	// Show 'New Folder' icon (if supported)
     PREVIEW        = 0x0004,	// enable preview mode
   };
+  static const char *file_exists_message;
 private:
   int  _btype;			// kind-of browser to show()
   int  _options;		// general options

src/Fl_File_Chooser.cxx

@@ -88,6 +88,26 @@ void Fl_File_Chooser::cb_previewButton(Fl_Check_Button* o, void* v) {
   ((Fl_File_Chooser*)(o->parent()->parent()->parent()->user_data()))->cb_previewButton_i(o,v);
 }
 
+void Fl_File_Chooser::remove_hidden_files()
+{
+  int count = fileList->size();
+  for(int num = count; num >= 1; num--) {
+    const char *p = fileList->text(num);
+    if (*p == '.' && strcmp(p, "../") != 0) fileList->remove(num);
+  }
+  fileList->topline(1);
+}
+
+void Fl_File_Chooser::show_hidden_cb(Fl_Check_Button* o, void* data) {
+  Fl_File_Chooser *mychooser = (Fl_File_Chooser *)data;
+  if (o->value()) {
+    mychooser->browser()->load(mychooser->directory());
+  } else {
+    mychooser->remove_hidden_files();
+    mychooser->browser()->redraw();
+  }
+}
+
 void Fl_File_Chooser::cb_fileName_i(Fl_File_Input*, void*) {
   fileNameCB();
 }
@@ -208,6 +228,15 @@ Fl_File_Chooser::Fl_File_Chooser(const char *d, const char *p, int t, const char
           previewButton->callback((Fl_Callback*)cb_previewButton);
           previewButton->label(preview_label);
         } // Fl_Check_Button* previewButton
+	
+        { show_hidden = new Fl_Check_Button(
+	    previewButton->x() + previewButton->w() + 30, 275, 140, 20, "Show hidden files");
+          show_hidden->down_box(FL_DOWN_BOX);
+          show_hidden->value(0);
+          show_hidden->callback((Fl_Callback*)show_hidden_cb, this);
+          show_hidden->label(hidden_label);
+        } // Fl_Check_Button* show_hidden
+		
         { Fl_Box* o = new Fl_Box(115, 275, 365, 20);
           Fl_Group::current()->resizable(o);
         } // Fl_Box* o

src/Fl_File_Chooser2.cxx

@@ -74,6 +74,10 @@
   	<TD>"My Computer" (WIN32)<BR>
   	"File Systems" (all others)</TD>
   </TR>
+ <TR>
+	<TD>hidden_label</TD>
+	<TD>"Show hidden files:"</TD>
+ </TR>
  <TR>
   	<TD>manage_favorites_label</TD>
   	<TD>"Manage Favorites"</TD>
@@ -392,6 +396,7 @@ const char	*Fl_File_Chooser::new_directory_tooltip = "Create a new directory.";
 const char	*Fl_File_Chooser::preview_label = "Preview";
 const char	*Fl_File_Chooser::save_label = "Save";
 const char	*Fl_File_Chooser::show_label = "Show:";
+const char      *Fl_File_Chooser::hidden_label = "Show hidden files";
 Fl_File_Sort_F	*Fl_File_Chooser::sort = fl_numericsort;
 
 
@@ -1033,8 +1038,6 @@ Fl_File_Chooser::filter(const char *p)		// I - Pattern(s)
 
   showChoice->add(custom_filter_label);
   
-  // TODO: add a menu item to switch hidden files on and off
-
   showChoice->value(0);
   showChoiceCB();
 }
@@ -1147,6 +1150,7 @@ Fl_File_Chooser::rescan()
 
   // Build the file list...
   fileList->load(directory_, sort);
+  if (!show_hidden->value()) remove_hidden_files();
 
   // Update the preview box...
   update_preview();
@@ -1172,6 +1176,7 @@ void Fl_File_Chooser::rescan_keep_filename()
 
   // Build the file list...
   fileList->load(directory_, sort);
+  if (!show_hidden->value()) remove_hidden_files();
 
   // Update the preview box...
   update_preview();
@@ -1297,7 +1302,6 @@ Fl_File_Chooser::update_preview()
   int			w, h;		// Width and height of preview image
   int                   set = 0;        // Set this flag as soon as a decent preview is found
 
-
   if (!previewButton->value()) return;
 
   filename = value();

src/Fl_Native_File_Chooser.cxx

@@ -32,7 +32,7 @@
 
 // Use Apple's chooser
 #ifdef __APPLE__
-//#include "Fl_Native_File_Chooser_MAC.mm"
+#include <FL/Fl_Native_File_Chooser_MAC.H>
 #endif
 
 // All else falls back to FLTK's own chooser
@@ -40,6 +40,8 @@
 #include "Fl_Native_File_Chooser_FLTK.cxx"
 #endif
 
+const char *Fl_Native_File_Chooser::file_exists_message = "File exists. Are you sure you want to overwrite?";
+
 //
 // End of "$Id$".
 //

src/Fl_Native_File_Chooser_FLTK.cxx

@@ -64,16 +64,6 @@ Fl_Native_File_Chooser::Fl_Native_File_Chooser(int val) {
   _file_chooser = new Fl_File_Chooser(NULL, NULL, 0, NULL);
   type(val);			// do this after _file_chooser created
   _nfilters    = 0;
-
-  // Added by MG
-  Fl_Button *b = _file_chooser->previewButton;
-  Fl_Window *w = b->window();
-  Fl_Group::current(w);		// adds a "Show hidden files" check button in _file_chooser's window
-  show_hidden = new Fl_Check_Button(b->x() + b->w() + 10, b->y(), 145, b->h(), "Show hidden files");
-  show_hidden->callback((Fl_Callback*)show_hidden_cb, this);
-  my_fileList = _file_chooser->browser();
-  _old_dir = 0;						// to detect directory changes
-  prev_filtervalue = _file_chooser->filter_value();	// to detect filter changes
 } 
 
 /**
@@ -88,7 +78,6 @@ Fl_Native_File_Chooser::~Fl_Native_File_Chooser() {
   _prevvalue   = strfree(_prevvalue);
   _directory   = strfree(_directory);
   _errmsg      = strfree(_errmsg);
-  _old_dir     = strfree(_old_dir);
 }
 
 // PRIVATE: SET ERROR MESSAGE
@@ -198,14 +187,6 @@ int Fl_Native_File_Chooser::show() {
 
   // BLOCK WHILE BROWSER SHOWN
   while ( _file_chooser->shown() ) {
-    if (_old_dir==0 || strcmp(_old_dir, _file_chooser->directory()) != 0) {
-      _old_dir = strfree(_old_dir);
-      _old_dir = strnew(_file_chooser->directory());
-      if (!show_hidden->value()) remove_hidden_files(my_fileList);
-    } else if (prev_filtervalue != _file_chooser->filter_value() ) {
-      prev_filtervalue = _file_chooser->filter_value();
-      if (!show_hidden->value() ) remove_hidden_files(my_fileList);
-    }
     Fl::wait();
   }
 
@@ -471,32 +452,9 @@ const char* Fl_Native_File_Chooser::preset_file() const {
   return(_preset_file);
 }
 
-void Fl_Native_File_Chooser::show_hidden_cb(Fl_Check_Button *o, void *data)
-{
-  Fl_Native_File_Chooser *mychooser = (Fl_Native_File_Chooser *)data;
-  if (o->value()) {
-    mychooser->my_fileList->load(mychooser->_file_chooser->directory());
-  } else {
-    remove_hidden_files(mychooser->my_fileList);
-    mychooser->my_fileList->redraw();
-  }
-}
 
-// PRIVATE: Don't show hidden files
-void Fl_Native_File_Chooser::remove_hidden_files(Fl_File_Browser *my_fileList)
-{
-  int count = my_fileList->size();
-  for(int num = count; num >= 1; num--) {
-    const char *p = my_fileList->text(num);
-    if (*p == '.' && strcmp(p, "../") != 0) my_fileList->remove(num);
-  }
-  my_fileList->topline(1);
-}
-
-// PRIVATE: Don't show hidden files
 int Fl_Native_File_Chooser::exist_dialog() {
-  return(fl_choice("File exists. Are you sure you want to overwrite?", 
-		   "Cancel", "   OK   ", NULL));
+  return(fl_choice("%s", fl_cancel, fl_ok, NULL, file_exists_message));
 }
 
 //