WindowsMouseCursor.cxx

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// WindowsMouseCursor.cxx - mouse cursor using Windows APIs
 
// Copyright (C) 2013 James Turner <zakalawe@mac.com>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program 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
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
//
 
#ifdef HAVE_CONFIG_H
    #include "config.h"
#endif
 
#include "WindowsMouseCursor.hxx"
 
#include "windows.h"
 
#include <map>
 
#include <Main/globals.hxx>
 
class WindowsMouseCursor::WindowsMouseCursorPrivate
{
public:
    Cursor activeCursorKey;
    bool hideUntilMove;
 
    typedef std::map<Cursor, HCURSOR> CursorMap;
    CursorMap cursors;
};
 
HCURSOR windowsCursorForKey(FGMouseCursor::Cursor aKey)
{
    switch (aKey) {
    case FGMouseCursor::CURSOR_HAND: return LoadCursor(NULL, IDC_HAND);
    case FGMouseCursor::CURSOR_CROSSHAIR: return LoadCursor(NULL, IDC_CROSS);
    case FGMouseCursor::CURSOR_IBEAM: return LoadCursor(NULL, IDC_IBEAM);
        case FGMouseCursor::CURSOR_LEFT_RIGHT: return LoadCursor( NULL, IDC_SIZEWE );
    
#if 0       
    case FGMouseCursor::CURSOR_SPIN_CW:
        path = [path stringByAppendingPathComponent:@"cursor-spin-cw.png"];
        img = [[NSImage alloc] initWithContentsOfFile:path];
        return [[NSCursor alloc] initWithImage:img hotSpot:NSMakePoint(16,16)];
            
    case FGMouseCursor::CURSOR_SPIN_CCW:
        path = [path stringByAppendingPathComponent:@"cursor-spin-cw.png"];
        img = [[NSImage alloc] initWithContentsOfFile:path];
        return [[NSCursor alloc] initWithImage:img hotSpot:NSMakePoint(16,16)];
#endif       
    default: return LoadCursor(NULL, IDC_ARROW);
    }
    
}
 
WindowsMouseCursor::WindowsMouseCursor() :
    d(new WindowsMouseCursorPrivate)
{
    d->hideUntilMove = false;
        d->activeCursorKey = CURSOR_ARROW;
}
 
WindowsMouseCursor::~WindowsMouseCursor()
{
    
    
}
 
 
void WindowsMouseCursor::setCursor(Cursor aCursor)
{
    if (aCursor == d->activeCursorKey) {
        return;
    }
    
    d->activeCursorKey = aCursor;
    if (d->cursors.find(aCursor) == d->cursors.end()) {
        d->cursors[aCursor] = windowsCursorForKey(aCursor);
    }
 
    SetCursor(d->cursors[aCursor]);
}
 
void WindowsMouseCursor::setCursorVisible(bool aVis)
{
    d->hideUntilMove = false; // cancel this
    ShowCursor(aVis);
}
 
void WindowsMouseCursor::hideCursorUntilMouseMove()
{
    if (d->hideUntilMove) {
        return;
    }
    
    d->hideUntilMove = true;
    ShowCursor(false);
}
 
void WindowsMouseCursor::mouseMoved()
{
    if (d->hideUntilMove) {
        d->hideUntilMove = false;
        ShowCursor(true);
    }
}