fltk/src/Fl_Native_File_Chooser_MAC.cxx
Manolo Gouy 3b4db2357d Native file chooser-Mac OS X: fixed issue arising with OS 10.6
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@7689 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2010-08-25 17:01:56 +00:00

585 lines
17 KiB
C++

// "$Id$"
//
// FLTK native OS file chooser widget
//
// Copyright 1998-2005 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 "$Id$".
//