Renamed Fl_Native_File_Chooser_MAC.cxx to Fl_Native_File_Chooser_MAC.mm

because this is an objective-c++ file.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@8041 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 584 insertions, 0 deletions

diff --git a/src/Fl_Native_File_Chooser_MAC.mm b/src/Fl_Native_File_Chooser_MAC.mm
new file mode 100644
index 000000000..f3b8d6f2b
--- /dev/null
+++ b/src/Fl_Native_File_Chooser_MAC.mm
@@ -0,0 +1,584 @@
+// "$Id$"
+//
+// FLTK native OS file chooser widget
+//
+// Copyright 1998-2010 by Bill Spitzak and others.
+// Copyright 2004 Greg Ercolano.
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Library General Public License for more details.
+//
+// You should have received a copy of the GNU Library General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+// USA.
+//
+// Please report all bugs and problems to:
+//
+//     http://www.fltk.org/str.php
+//
+
+// TODO:
+//	o When doing 'open file', only dir is preset, not filename.
+//        Possibly 'preset_file' could be used to select the filename.
+//
+
+#ifndef FL_DOXYGEN		// PREVENT DOXYGEN'S USE OF THIS FILE
+
+#include "Fl_Native_File_Chooser_common.cxx"		// strnew/strfree/strapp/chrcat
+#include <libgen.h>		// dirname(3)
+#include <sys/types.h>		// stat(2)
+#include <sys/stat.h>		// stat(2)
+
+
+#include <FL/Fl.H>
+#include <FL/Fl_Native_File_Chooser.H>
+#include <FL/filename.H>
+
+// FREE PATHNAMES ARRAY, IF IT HAS ANY CONTENTS
+void Fl_Native_File_Chooser::clear_pathnames() {
+  if ( _pathnames ) {
+    while ( --_tpathnames >= 0 ) {
+      _pathnames[_tpathnames] = strfree(_pathnames[_tpathnames]);
+    }
+    delete [] _pathnames;
+    _pathnames = NULL;
+  }
+  _tpathnames = 0;
+}
+
+// SET A SINGLE PATHNAME
+void Fl_Native_File_Chooser::set_single_pathname(const char *s) {
+  clear_pathnames();
+  _pathnames = new char*[1];
+  _pathnames[0] = strnew(s);
+  _tpathnames = 1;
+}
+
+// CONSTRUCTOR
+Fl_Native_File_Chooser::Fl_Native_File_Chooser(int val) {
+  _btype          = val;
+  _panel = NULL;
+  _options        = NO_OPTIONS;
+  _pathnames      = NULL;
+  _tpathnames     = 0;
+  _title          = NULL;
+  _filter         = NULL;
+  _filt_names     = NULL;
+  memset(_filt_patt, 0, sizeof(char*) * MAXFILTERS);
+  _filt_total     = 0;
+  _filt_value     = 0;
+  _directory      = NULL;
+  _preset_file    = NULL;
+  _errmsg         = NULL;
+}
+
+// DESTRUCTOR
+Fl_Native_File_Chooser::~Fl_Native_File_Chooser() {
+  // _opts		// nothing to manage
+  // _options		// nothing to manage
+  // _keepstate		// nothing to manage
+  // _tempitem		// nothing to manage
+  clear_pathnames();
+  _directory   = strfree(_directory);
+  _title       = strfree(_title);
+  _preset_file = strfree(_preset_file);
+  _filter      = strfree(_filter);
+  //_filt_names		// managed by clear_filters()
+  //_filt_patt[i]	// managed by clear_filters()
+  //_filt_total		// managed by clear_filters()
+  clear_filters();
+  //_filt_value		// nothing to manage
+  _errmsg = strfree(_errmsg);
+}
+
+// GET TYPE OF BROWSER
+int Fl_Native_File_Chooser::type() const {
+  return(_btype);
+}
+
+// SET OPTIONS
+void Fl_Native_File_Chooser::options(int val) {
+  _options = val;
+}
+
+// GET OPTIONS
+int Fl_Native_File_Chooser::options() const {
+  return(_options);
+}
+
+// SHOW THE BROWSER WINDOW
+//     Returns:
+//         0 - user picked a file
+//         1 - user cancelled
+//        -1 - failed; errmsg() has reason
+//
+int Fl_Native_File_Chooser::show() {
+
+  // Make sure fltk interface updates before posting our dialog
+  Fl::flush();
+  
+  // POST BROWSER
+  int err = post();
+
+  _filt_total = 0;
+
+  return(err);
+}
+
+// SET ERROR MESSAGE
+//     Internal use only.
+//
+void Fl_Native_File_Chooser::errmsg(const char *msg) {
+  _errmsg = strfree(_errmsg);
+  _errmsg = strnew(msg);
+}
+
+// RETURN ERROR MESSAGE
+const char *Fl_Native_File_Chooser::errmsg() const {
+  return(_errmsg ? _errmsg : "No error");
+}
+
+// GET FILENAME
+const char* Fl_Native_File_Chooser::filename() const {
+  if ( _pathnames && _tpathnames > 0 ) return(_pathnames[0]);
+  return("");
+}
+
+// GET FILENAME FROM LIST OF FILENAMES
+const char* Fl_Native_File_Chooser::filename(int i) const {
+  if ( _pathnames && i < _tpathnames ) return(_pathnames[i]);
+  return("");
+}
+
+// GET TOTAL FILENAMES CHOSEN
+int Fl_Native_File_Chooser::count() const {
+  return(_tpathnames);
+}
+
+// PRESET PATHNAME
+//     Value can be NULL for none.
+//
+void Fl_Native_File_Chooser::directory(const char *val) {
+  _directory = strfree(_directory);
+  _directory = strnew(val);
+}
+
+// GET PRESET PATHNAME
+//     Returned value can be NULL if none set.
+//
+const char* Fl_Native_File_Chooser::directory() const {
+  return(_directory);
+}
+
+// SET TITLE
+//     Value can be NULL if no title desired.
+//
+void Fl_Native_File_Chooser::title(const char *val) {
+  _title = strfree(_title);
+  _title = strnew(val);
+}
+
+// GET TITLE
+//     Returned value can be NULL if none set.
+//
+const char *Fl_Native_File_Chooser::title() const {
+  return(_title);
+}
+
+// SET FILTER
+//     Can be NULL if no filter needed
+//
+void Fl_Native_File_Chooser::filter(const char *val) {
+  _filter = strfree(_filter);
+  _filter = strnew(val);
+
+  // Parse filter user specified
+  //     IN: _filter = "C Files\t*.{cxx,h}\nText Files\t*.txt"
+  //    OUT: _filt_names   = "C Files\tText Files"
+  //         _filt_patt[0] = "*.{cxx,h}"
+  //         _filt_patt[1] = "*.txt"
+  //         _filt_total   = 2
+  //
+  parse_filter(_filter);
+}
+
+// GET FILTER
+//     Returned value can be NULL if none set.
+//
+const char *Fl_Native_File_Chooser::filter() const {
+  return(_filter);
+}
+
+// CLEAR ALL FILTERS
+//    Internal use only.
+//
+void Fl_Native_File_Chooser::clear_filters() {
+  _filt_names = strfree(_filt_names);
+  for (int i=0; i<_filt_total; i++) {
+    _filt_patt[i] = strfree(_filt_patt[i]);
+  }
+  _filt_total = 0;
+}
+
+// PARSE USER'S FILTER SPEC
+//    Parses user specified filter ('in'),
+//    breaks out into _filt_patt[], _filt_names, and _filt_total.
+//
+//    Handles:
+//    IN:                                   OUT:_filt_names    OUT: _filt_patt
+//    ------------------------------------  ------------------ ---------------
+//    "*.{ma,mb}"                           "*.{ma,mb} Files"  "*.{ma,mb}"
+//    "*.[abc]"                             "*.[abc] Files"    "*.[abc]"
+//    "*.txt"                               "*.txt Files"      "*.c"
+//    "C Files\t*.[ch]"                     "C Files"          "*.[ch]"
+//    "C Files\t*.[ch]\nText Files\t*.cxx"  "C Files"          "*.[ch]"
+//
+//    Parsing Mode:
+//         IN:"C Files\t*.{cxx,h}"
+//             |||||||  |||||||||
+//       mode: nnnnnnn  wwwwwwwww
+//             \_____/  \_______/
+//              Name     Wildcard
+//
+void Fl_Native_File_Chooser::parse_filter(const char *in) {
+  clear_filters();
+  if ( ! in ) return;
+  int has_name = strchr(in, '\t') ? 1 : 0;
+
+  char mode = has_name ? 'n' : 'w';	// parse mode: n=title, w=wildcard
+  char wildcard[1024] = "";		// parsed wildcard
+  char name[1024] = "";
+
+  // Parse filter user specified
+  for ( ; 1; in++ ) {
+
+    //// DEBUG
+    //// printf("WORKING ON '%c': mode=<%c> name=<%s> wildcard=<%s>\n",
+    ////                    *in,  mode,     name,     wildcard);
+    
+    switch (*in) {
+      // FINISHED PARSING NAME?
+      case '\t':
+	if ( mode != 'n' ) goto regchar;
+	mode = 'w';
+	break;
+
+      // ESCAPE NEXT CHAR
+      case '\\':
+	++in;
+	goto regchar;
+
+      // FINISHED PARSING ONE OF POSSIBLY SEVERAL FILTERS?
+      case '\r':
+      case '\n':
+      case '\0':
+	// TITLE
+	//     If user didn't specify a name, make one
+	//
+	if ( name[0] == '\0' ) {
+	  sprintf(name, "%.*s Files", (int)sizeof(name)-10, wildcard);
+	}
+	// APPEND NEW FILTER TO LIST
+	if ( wildcard[0] ) {
+	  // Add to filtername list
+	  //     Tab delimit if more than one. We later break
+	  //     tab delimited string into CFArray with 
+	  //     CFStringCreateArrayBySeparatingStrings()
+	  //
+	  if ( _filt_total ) {
+	      _filt_names = strapp(_filt_names, "\t");
+	  }
+	  _filt_names = strapp(_filt_names, name);
+
+	  // Add filter to the pattern array
+	  _filt_patt[_filt_total++] = strnew(wildcard);
+	}
+	// RESET
+	wildcard[0] = name[0] = '\0';
+	mode = strchr(in, '\t') ? 'n' : 'w';
+	// DONE?
+	if ( *in == '\0' ) return;	// done
+	else continue;			// not done yet, more filters
+
+      // Parse all other chars
+      default:				// handle all non-special chars
+      regchar:				// handle regular char
+	switch ( mode ) {
+	  case 'n': chrcat(name, *in);     continue;
+	  case 'w': chrcat(wildcard, *in); continue;
+	}
+	break;
+    }
+  }
+  //NOTREACHED
+}
+
+// SET PRESET FILE
+//     Value can be NULL for none.
+//
+void Fl_Native_File_Chooser::preset_file(const char* val) {
+  _preset_file = strfree(_preset_file);
+  _preset_file = strnew(val);
+}
+
+// PRESET FILE
+//     Returned value can be NULL if none set.
+//
+const char* Fl_Native_File_Chooser::preset_file() {
+  return(_preset_file);
+}
+
+#import <Cocoa/Cocoa.h>
+#define UNLIKELYPREFIX "___fl_very_unlikely_prefix_"
+#ifndef MAC_OS_X_VERSION_10_6
+#define MAC_OS_X_VERSION_10_6 1060
+#endif
+
+int Fl_Native_File_Chooser::get_saveas_basename(void) {
+  char *q = strdup( [[(NSSavePanel*)_panel filename] fileSystemRepresentation] );
+  id delegate = [(NSSavePanel*)_panel delegate];
+  if (delegate != nil) {
+    const char *d = [[(NSSavePanel*)_panel directory] fileSystemRepresentation];
+    int l = strlen(d) + 1;
+    int lu = strlen(UNLIKELYPREFIX);
+    // Remove UNLIKELYPREFIX between directory and filename parts
+    memmove(q + l, q + l + lu, strlen(q + l + lu) + 1);
+  }
+  set_single_pathname( q );
+  free(q);
+  return 0;
+}
+
+// SET THE TYPE OF BROWSER
+void Fl_Native_File_Chooser::type(int val) {
+  _btype = val;
+  switch (_btype) {
+    case BROWSE_FILE:
+    case BROWSE_MULTI_FILE:
+    case BROWSE_DIRECTORY:
+    case BROWSE_MULTI_DIRECTORY:
+      _panel =  [NSOpenPanel openPanel];
+      break;	  
+    case BROWSE_SAVE_DIRECTORY:
+    case BROWSE_SAVE_FILE:
+      _panel =  [NSSavePanel savePanel];
+      break;
+  }
+}
+  
+@interface FLopenDelegate : NSObject 
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
+<NSOpenSavePanelDelegate>
+#endif
+{
+  NSPopUpButton *nspopup;
+  char **filter_pattern;
+}
+- (FLopenDelegate*)setPopup:(NSPopUpButton*)popup filter_pattern:(char**)pattern;
+- (BOOL)panel:(id)sender shouldShowFilename:(NSString *)filename;
+@end
+@implementation FLopenDelegate
+- (FLopenDelegate*)setPopup:(NSPopUpButton*)popup filter_pattern:(char**)pattern
+{
+  nspopup = popup;
+  filter_pattern = pattern;
+  return self;
+}
+- (BOOL)panel:(id)sender shouldShowFilename:(NSString *)filename
+{
+  if ( [nspopup indexOfSelectedItem] == [nspopup numberOfItems] - 1) return YES;
+  const char *pathname = [filename fileSystemRepresentation];
+  if ( fl_filename_isdir(pathname) ) return YES;
+  if ( fl_filename_match(pathname, filter_pattern[ [nspopup indexOfSelectedItem] ]) ) return YES;
+  return NO;
+}
+@end
+
+@interface FLsaveDelegate : NSObject 
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
+<NSOpenSavePanelDelegate>
+#endif
+{
+}
+- (NSString *)panel:(id)sender userEnteredFilename:(NSString *)filename confirmed:(BOOL)okFlag;
+@end
+@implementation FLsaveDelegate
+- (NSString *)panel:(id)sender userEnteredFilename:(NSString *)filename confirmed:(BOOL)okFlag
+{
+  if (! okFlag) return filename;
+  // User has clicked save, and no overwrite confirmation should occur.
+  // To get the latter, we need to change the name we return (hence the prefix):
+  return [@ UNLIKELYPREFIX stringByAppendingString:filename];
+}
+@end
+  
+static NSPopUpButton *createPopupAccessory(NSSavePanel *panel, const char *filter, const char *title, int rank)
+{
+  NSPopUpButton *popup;
+  NSRect rectview = NSMakeRect(5, 5, 350, 30 );
+  NSView *view = [[[NSView alloc] initWithFrame:rectview] autorelease];
+  NSRect rectbox = NSMakeRect(0, 3, 50, 1 );
+  NSBox *box = [[[NSBox alloc] initWithFrame:rectbox] autorelease];
+  NSRect rectpop = NSMakeRect(60, 0, 250, 30 );
+  popup = [[[NSPopUpButton alloc ] initWithFrame:rectpop pullsDown:NO] autorelease];
+  [view addSubview:box];
+  [view addSubview:popup];
+  [box setBorderType:NSNoBorder];
+  NSString *nstitle = [[NSString alloc] initWithUTF8String:title];
+  [box setTitle:nstitle];
+  [nstitle release];
+  NSFont *font = [NSFont controlContentFontOfSize:NSRegularControlSize];
+  [box setTitleFont:font];
+  [box sizeToFit];
+  CFStringRef tab = CFSTR("\n");
+  CFStringRef tmp_cfs;
+  tmp_cfs = CFStringCreateWithCString(NULL, filter, kCFStringEncodingASCII);
+  CFArrayRef array = CFStringCreateArrayBySeparatingStrings(NULL, tmp_cfs, tab);
+  CFRelease(tmp_cfs);
+  CFRelease(tab);
+  [popup addItemsWithTitles:(NSArray*)array];
+  NSMenuItem *item = [popup itemWithTitle:@""];
+  if (item) [popup removeItemWithTitle:@""];
+  CFRelease(array);
+  [popup selectItemAtIndex:rank];
+  [panel setAccessoryView:view];
+  return popup;
+}
+  
+// POST BROWSER
+//     Internal use only.
+//     Assumes '_opts' has been initialized.
+//
+//     Returns:
+//         0 - user picked a file
+//         1 - user cancelled
+//        -1 - failed; errmsg() has reason
+//     
+int Fl_Native_File_Chooser::post() {
+  // INITIALIZE BROWSER
+  if ( _filt_total == 0 ) {	// Make sure they match
+    _filt_value = 0;		// TBD: move to someplace more logical?
+  }
+  NSAutoreleasePool *localPool;
+  localPool = [[NSAutoreleasePool alloc] init];
+  int retval;
+  NSString *nstitle = [NSString stringWithUTF8String: (_title ? _title : "No Title")];
+  [(NSSavePanel*)_panel setTitle:nstitle];
+  switch (_btype) {
+    case BROWSE_MULTI_FILE:
+      [(NSOpenPanel*)_panel setAllowsMultipleSelection:YES];
+      break;
+    case BROWSE_MULTI_DIRECTORY:
+      [(NSOpenPanel*)_panel setAllowsMultipleSelection:YES];
+    case BROWSE_DIRECTORY:
+      [(NSOpenPanel*)_panel setCanChooseDirectories:YES];
+      break;
+    case BROWSE_SAVE_DIRECTORY:
+      [(NSSavePanel*)_panel setCanCreateDirectories:YES];
+      break;
+  }
+  
+  // SHOW THE DIALOG
+  if ( [(NSSavePanel*)_panel isKindOfClass:[NSOpenPanel class]] ) {
+    NSPopUpButton *popup = nil;
+    if (_filt_total) {
+      char *p; p = _filter;
+      char *q; q = new char[strlen(p) + 1];
+      char *r, *s, *t;
+      t = q;
+      do {	// copy to t what is in _filter removing what is between \t and \n, if any
+	r = strchr(p, '\n');
+	if (!r) r = p + strlen(p) - 1;
+	s = strchr(p, '\t');
+	if (s && s < r) { memcpy(q, p, s - p); q += s - p; *(q++) = '\n'; }
+	else { memcpy(q, p, r - p + 1); q += r - p + 1; }
+	*q = 0;
+	p = r + 1;
+      } while(*p);
+      popup = createPopupAccessory((NSSavePanel*)_panel, t, "Enable:", 0);
+      delete t;
+      [[popup menu] addItem:[NSMenuItem separatorItem]];
+      [popup addItemWithTitle:@"All Documents"];
+      [popup setAction:@selector(validateVisibleColumns)];
+      [popup setTarget:(NSObject*)_panel];
+      static FLopenDelegate *openDelegate = nil;
+      if (openDelegate == nil) {
+	// not to be ever freed
+	openDelegate = [[FLopenDelegate alloc] init];
+      }
+      [openDelegate setPopup:popup filter_pattern:_filt_patt];
+      [(NSOpenPanel*)_panel setDelegate:openDelegate];
+    }
+    NSString *dir = nil;
+    NSString *fname = nil;
+    NSString *preset = nil;
+    if (_preset_file) {
+      preset = [[NSString alloc] initWithUTF8String:_preset_file];
+      if (strchr(_preset_file, '/') != NULL) 
+	dir = [[NSString alloc] initWithString:[preset stringByDeletingLastPathComponent]];
+      fname = [preset lastPathComponent];
+    }
+    if (_directory && !dir) dir = [[NSString alloc] initWithUTF8String:_directory];
+    retval = [(NSOpenPanel*)_panel runModalForDirectory:dir file:fname types:nil];	
+    [dir release];
+    [preset release];
+    if (_filt_total) {
+      _filt_value = [popup indexOfSelectedItem];
+    }
+    if ( retval == NSOKButton ) {
+      clear_pathnames();
+      NSArray *array = [(NSOpenPanel*)_panel filenames];
+      _tpathnames = [array count];
+      _pathnames = new char*[_tpathnames];
+      for(int i = 0; i < _tpathnames; i++) {
+	_pathnames[i] = strnew([(NSString*)[array objectAtIndex:i] fileSystemRepresentation]);
+      }
+    }
+  }
+  else {
+    NSString *dir = nil;
+    NSString *fname = nil;
+    NSString *preset = nil;
+    NSPopUpButton *popup = nil;
+    [(NSSavePanel*)_panel setAllowsOtherFileTypes:YES];
+    if ( !(_options & SAVEAS_CONFIRM) ) {
+      static FLsaveDelegate *saveDelegate = nil;
+      if (saveDelegate == nil)saveDelegate = [[FLsaveDelegate alloc] init]; // not to be ever freed
+      [(NSSavePanel*)_panel setDelegate:saveDelegate];
+    }
+    if (_preset_file) {
+      preset = [[NSString alloc] initWithUTF8String:_preset_file];
+      if (strchr(_preset_file, '/') != NULL) {
+	dir = [[NSString alloc] initWithString:[preset stringByDeletingLastPathComponent]];
+      }
+      fname = [preset lastPathComponent];
+    }
+    if (_directory && !dir) dir = [[NSString alloc] initWithUTF8String:_directory];
+    if (_filt_total) {
+      popup = createPopupAccessory((NSSavePanel*)_panel, _filter, "Format:", _filt_value);
+    }
+    retval = [(NSSavePanel*)_panel runModalForDirectory:dir file:fname];
+    if (_filt_total) {
+      _filt_value = [popup indexOfSelectedItem];
+    }
+    [dir release];
+    [preset release];
+    if ( retval == NSOKButton ) get_saveas_basename();
+  }
+  [localPool release];
+  return (retval == NSOKButton ? 0 : 1);
+}
+
+#endif /*!FL_DOXYGEN*/
+
+//
+// End of "$Id$".
+//