src/GUI/CocoaMouseCursor.mm

   1 #include "CocoaMouseCursor.hxx"
   2
   3 #include <Cocoa/Cocoa.h>
   4 #include <map>
   5
   6 #include <Main/globals.hxx>
   7
   8 class CocoaMouseCursor::CocoaMouseCursorPrivate
   9 {
  10 public:
  11     Cursor activeCursorKey;
  12
  13     typedef std::map<Cursor, NSCursor*> CursorMap;
  14     CursorMap cursors;
  15 };
  16
  17 NSCursor* cocoaCursorForKey(FGMouseCursor::Cursor aKey)
  18 {
  19     NSImage* img = nil;
  20
  21     NSString* path = [NSString stringWithCString:globals->get_fg_root().c_str()
  22                                             encoding:NSUTF8StringEncoding];
  23     path = [path stringByAppendingPathComponent:@"gui"];
  24
  25     switch (aKey) {
  26     case FGMouseCursor::CURSOR_HAND: return [NSCursor pointingHandCursor];
  27     case FGMouseCursor::CURSOR_CROSSHAIR: return [NSCursor crosshairCursor];
  28     case FGMouseCursor::CURSOR_IBEAM: return [NSCursor IBeamCursor];
  29
  30     // FIXME - use a proper left-right cursor here.
  31     case FGMouseCursor::CURSOR_LEFT_RIGHT: return [NSCursor resizeLeftRightCursor];
  32
  33     case FGMouseCursor::CURSOR_SPIN_CW:
  34         path = [path stringByAppendingPathComponent:@"cursor-spin-cw.png"];
  35         img = [[NSImage alloc] initWithContentsOfFile:path];
  36         return [[NSCursor alloc] initWithImage:img hotSpot:NSMakePoint(16,16)];
  37
  38     case FGMouseCursor::CURSOR_SPIN_CCW:
  39         path = [path stringByAppendingPathComponent:@"cursor-spin-cw.png"];
  40         img = [[NSImage alloc] initWithContentsOfFile:path];
  41         return [[NSCursor alloc] initWithImage:img hotSpot:NSMakePoint(16,16)];
  42
  43     default: return [NSCursor arrowCursor];
  44     }
  45
  46 }
  47
  48 CocoaMouseCursor::CocoaMouseCursor() :
  49     d(new CocoaMouseCursorPrivate)
  50 {
  51
  52 }
  53
  54 CocoaMouseCursor::~CocoaMouseCursor()
  55 {
  56
  57
  58 }
  59
  60
  61 void CocoaMouseCursor::setCursor(Cursor aCursor)
  62 {
  63     if (aCursor == d->activeCursorKey) {
  64         return;
  65     }
  66
  67     d->activeCursorKey = aCursor;
  68     if (d->cursors.find(aCursor) == d->cursors.end()) {
  69         d->cursors[aCursor] = cocoaCursorForKey(aCursor);
  70         [d->cursors[aCursor] retain];
  71     }
  72
  73     [d->cursors[aCursor] set];
  74 }
  75
  76 void CocoaMouseCursor::setCursorVisible(bool aVis)
  77 {
  78     if (aVis) {
  79         [NSCursor unhide];
  80     } else {
  81         [NSCursor hide];
  82     }
  83 }
  84
  85 void CocoaMouseCursor::hideCursorUntilMouseMove()
  86 {
  87     [NSCursor setHiddenUntilMouseMoves:YES];
  88 }
  89
  90 void CocoaMouseCursor::mouseMoved()
  91 {
  92     // no-op
  93 }