src/GUI/CocoaFileDialog.mm

   1
   2
   3 #include "CocoaFileDialog.hxx"
   4
   5 // bring it all in!
   6 #include <Cocoa/Cocoa.h>
   7
   8 #include <boost/foreach.hpp>
   9
  10 #include <osgViewer/Viewer>
  11 #include <osgViewer/api/Cocoa/GraphicsWindowCocoa>
  12
  13 #include <simgear/debug/logstream.hxx>
  14 #include <simgear/misc/strutils.hxx>
  15
  16 #include <Main/globals.hxx>
  17 #include <Main/fg_props.hxx>
  18 #include <Viewer/renderer.hxx>
  19
  20 static NSString* stdStringToCocoa(const std::string& s)
  21 {
  22     return [NSString stringWithUTF8String:s.c_str()];
  23 }
  24
  25 static NSURL* pathToNSURL(const SGPath& aPath)
  26 {
  27     return [NSURL fileURLWithPath:stdStringToCocoa(aPath.str())];
  28 }
  29
  30 class CocoaFileDialog::CocoaFileDialogPrivate
  31 {
  32 public:
  33     CocoaFileDialogPrivate() :
  34         panel(nil)
  35     {
  36
  37     }
  38
  39     ~CocoaFileDialogPrivate()
  40     {
  41         [panel release];
  42     }
  43
  44     NSSavePanel* panel;
  45 };
  46
  47 CocoaFileDialog::CocoaFileDialog(FGFileDialog::Usage use) :
  48     FGFileDialog(use)
  49 {
  50     d.reset(new CocoaFileDialogPrivate);
  51     if (use == USE_SAVE_FILE) {
  52         d->panel = [NSSavePanel savePanel];
  53     } else {
  54         NSOpenPanel* openPanel = [NSOpenPanel openPanel];
  55         d->panel = openPanel;
  56
  57         if (use == USE_CHOOSE_DIR) {
  58             [openPanel setCanChooseDirectories:YES];
  59         }
  60     } // of USE_OPEN_FILE or USE_CHOOSE_DIR -> building NSOpenPanel
  61
  62     [d->panel retain];
  63 }
  64
  65 CocoaFileDialog::~CocoaFileDialog()
  66 {
  67
  68 }
  69
  70 void CocoaFileDialog::exec()
  71 {
  72 // find the native Cocoa NSWindow handle so we can parent the dialog and show
  73 // it window-modal.
  74     NSWindow* cocoaWindow = nil;
  75     std::vector<osgViewer::GraphicsWindow*> windows;
  76     globals->get_renderer()->getViewer()->getWindows(windows);
  77
  78     BOOST_FOREACH(osgViewer::GraphicsWindow* gw, windows) {
  79         // OSG doesn't use RTTI, so no dynamic cast. Let's check the class type
  80         // using OSG's own system, before we blindly static_cast<> and break
  81         // everything.
  82         if (strcmp(gw->className(), "GraphicsWindowCocoa")) {
  83             continue;
  84         }
  85
  86         osgViewer::GraphicsWindowCocoa* gwCocoa = static_cast<osgViewer::GraphicsWindowCocoa*>(gw);
  87         cocoaWindow = (NSWindow*) gwCocoa->getWindow();
  88         break;
  89     }
  90
  91 // setup the panel fields now we have collected all the data
  92     if (_usage == USE_SAVE_FILE) {
  93         [d->panel setNameFieldStringValue:stdStringToCocoa(_placeholder)];
  94     }
  95
  96     if (_filterPatterns.empty()) {
  97         [d->panel setAllowedFileTypes:nil];
  98     } else {
  99         NSMutableArray* extensions = [NSMutableArray arrayWithCapacity:0];
 100         BOOST_FOREACH(std::string ext, _filterPatterns) {
 101             if (!simgear::strutils::starts_with(ext, "*.")) {
 102                 SG_LOG(SG_GENERAL, SG_INFO, "can't use pattern on Cococa:" << ext);
 103                 continue;
 104             }
 105             [extensions addObject:stdStringToCocoa(ext.substr(2))];
 106         }
 107
 108         [d->panel setAllowedFileTypes:extensions];
 109     }
 110
 111     [d->panel setTitle:stdStringToCocoa(_title)];
 112     if (_showHidden) {
 113         [d->panel setShowsHiddenFiles:YES];
 114     }
 115
 116     [d->panel setDirectoryURL: pathToNSURL(_initialPath)];
 117
 118     [d->panel beginSheetModalForWindow:cocoaWindow completionHandler:^(NSInteger result)
 119     {
 120         NSString* path = nil;
 121         SGPath sgpath;
 122
 123         if (result == NSFileHandlingPanelOKButton) {
 124             path = [[d->panel URL] path];
 125             //NSLog(@"the URL is: %@", d->panel URL]);
 126             sgpath = ([path UTF8String]);
 127             _callback->onFileDialogDone(this, sgpath);
 128         }
 129     }];
 130 }
 131
 132 void CocoaFileDialog::close()
 133 {
 134     [d->panel close];
 135 }
 136