darling-cocotron/AppKit/NSStatusItem.m

/* Copyright (c) 2006-2007 Christopher J. W. Lloyd

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */

#import <AppKit/NSStatusItem.h>
#import <AppKit/NSStatusBar.h>
#import <AppKit/NSRaise.h>
#import <AppKit/NSImage.h>
#import <AppKit/NSGraphicsContext.h>
#import <AppKit/NSStatusItem+Private.h>
#import <AppKit/NSMenu.h>
#import <AppKit/NSPopUpWindow.h>
#import <AppKit/NSWindow.h>
#ifdef WIN32
#import <AppKit/NSStatusBar_(Private).h>
#import <Foundation/NSPlatform_win32.h>
#import <AppKit/Win32Window.h>
#endif

@implementation NSStatusItem

#pragma mark Private Methods

#ifdef WIN32

- (void)_createTrayIcon{
    ZeroMemory(&niData, sizeof(NOTIFYICONDATA_V2_SIZE));
    niData.cbSize = NOTIFYICONDATA_V2_SIZE;
    srand(time(NULL));
    _trayIconID = rand();
    niData.uID = _trayIconID;
    niData.uFlags = NIF_ICON|NIF_MESSAGE|NIF_TIP;
    if(_trayIcon == NULL){
        [self _setHICONFromImage:[self image]];
    }
    niData.hIcon = _trayIcon;
    Win32Window *window = [[NSStatusBar systemStatusBar] fakeWindow];
    niData.hWnd = [window windowHandle];
    niData.uCallbackMessage = 9001;
    Shell_NotifyIcon(NIM_ADD,&niData);
}

- (void)_removeTrayIcon{
    //If tray icon has been created, destroy it
    if(_trayIconID > -1){
        Shell_NotifyIcon(NIM_DELETE,&niData);
    }
}

- (int)trayIconID{
    return _trayIconID;
}

- (void)_processWin32Event:(int)event{
    switch (event) {
        case WM_RBUTTONUP:
            NSLog(@"Clicked Contextual");
            [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(processCommandEvent:) name:@"WIN32_WM_COMMAND" object:nil];
            [self _showContextMenu];
            break;
        case WM_LBUTTONUP:
            NSLog(@"Clicked");
            break;
        default:
            break;
    }
}

- (void)processCommandEvent:(NSNotification *)notification{
    NSValue *obj = [notification object];
    NSLog(@"Got command event with data: %d:%d",[obj pointValue].x,[obj pointValue].y);
    [[NSNotificationCenter defaultCenter] removeObserver:self];
}   

- (void)_w32loadMenuItem:(NSMenuItem *)item withIdentifier:(int)i intoMenu:(HMENU)menu{
    if([item hasSubmenu]){
        //Configure Submenu based item
        NSString *title = [item title];
        HMENU submenu = CreatePopupMenu();
        if(submenu){
            NSMenu *sub = [item submenu];
            if(sub){
                for(int pos = 0; pos < [sub itemArray].count; pos++){
                    [self _w32loadMenuItem:[[sub itemArray] objectAtIndex:pos] withIdentifier:(i*10)+pos intoMenu:submenu];
                }
            };
            NSString *title = [item title];
            MENUITEMINFO item = {0};
            item.cbSize = sizeof(MENUITEMINFO);
            item.fMask = MIIM_TYPE|MIIM_ID|MIIM_DATA|MIIM_SUBMENU;
            item.fType = MFT_STRING;
            char *string = [title cStringUsingEncoding:NSUTF8StringEncoding];
            item.dwTypeData = string;
            item.cch = lstrlen(string);
            item.hSubMenu = submenu;
            InsertMenuItem(menu, i, FALSE, &item);
        }
    }else {
        NSString *title = [item title];
        MENUITEMINFO item = {0};
        item.cbSize = sizeof(MENUITEMINFO);
        item.fMask = MIIM_TYPE|MIIM_ID|MIIM_DATA;
        item.fType = MFT_STRING;
        char *string = [title cStringUsingEncoding:NSUTF8StringEncoding];
        item.dwTypeData = string;
        item.cch = lstrlen(string);
        InsertMenuItem(menu, i, FALSE, &item);
    }
}

- (void)_setHICONFromImage:(NSImage *)image{
    //Taken from NSCursor.m
    
    /// move to the platform files
    size_t width=[self length];
    size_t height=width;
    
    CGColorSpaceRef    colorSpace=CGColorSpaceCreateDeviceRGB();
    CGContextRef       context=CGBitmapContextCreate(NULL,width,height,8,0,colorSpace,kCGImageAlphaPremultipliedFirst|kCGBitmapByteOrder32Little);
    CGColorSpaceRelease(colorSpace);
    
    NSAutoreleasePool *pool=[NSAutoreleasePool new];
    NSGraphicsContext *graphicsContext=[NSGraphicsContext graphicsContextWithGraphicsPort:context flipped:NO];
    
    [NSGraphicsContext saveGraphicsState];
    [NSGraphicsContext setCurrentContext:graphicsContext];
    
    [image drawInRect:NSMakeRect(0,0,width,height) fromRect:NSZeroRect operation:NSCompositeCopy fraction:1.0];
    
    [NSGraphicsContext restoreGraphicsState];
    
    [pool release];
    
    uint8_t *rowBytes=CGBitmapContextGetData(context);
    size_t   bytesPerRow=CGBitmapContextGetBytesPerRow(context);
    
    HDC displayDC=GetDC(NULL);
    HBITMAP colorBitmap;
    HBITMAP maskBitmap;
    
    if(NSPlatformGreaterThanOrEqualToWindows2000()){
        // Cursor with alpha channel, no mask. Win2k and above 
        BITMAPV5HEADER bi;
        void          *lpBits;
        uint8_t       *dibRowBytes;
        
        ZeroMemory(&bi,sizeof(BITMAPV5HEADER));
        bi.bV5Size=sizeof(BITMAPV5HEADER);
        bi.bV5Width=width;
        bi.bV5Height=-height;
        bi.bV5Planes=1;
        bi.bV5BitCount=32;
        bi.bV5Compression=BI_BITFIELDS;
        bi.bV5RedMask=0x00FF0000;
        bi.bV5GreenMask=0x0000FF00;
        bi.bV5BlueMask=0x000000FF;
        bi.bV5AlphaMask=0xFF000000;
        
        colorBitmap=CreateDIBSection(displayDC,(BITMAPINFO *)&bi,DIB_RGB_COLORS,&lpBits,NULL,0);
        dibRowBytes=lpBits;
        
        maskBitmap=CreateBitmap(width,height,1,1,NULL);
        int row,column;
        
        for(row=0;row<height;row++,rowBytes+=bytesPerRow,dibRowBytes+=width*4){    
            for(column=0;column<width;column++){
                dibRowBytes[column*4]=rowBytes[column*4];
                dibRowBytes[column*4+1]=rowBytes[column*4+1];
                dibRowBytes[column*4+2]=rowBytes[column*4+2];
                dibRowBytes[column*4+3]=rowBytes[column*4+3];
            }
        }
        
    }
    else {
        // This works for versions lower than 2k, not really needed, but here.
        HDC colorDC=CreateCompatibleDC(displayDC);
        HDC maskDC=CreateCompatibleDC(displayDC);
        
        colorBitmap=CreateCompatibleBitmap(displayDC,width,height);
        maskBitmap=CreateCompatibleBitmap(displayDC,width,height);
        
        
        HBITMAP oldColorBitmap=SelectObject(colorDC,colorBitmap);
        HBITMAP oldMaskBitmap=SelectObject(maskDC,maskBitmap);
        
        int      row,column;
        
        for(row=0;row<height;row++,rowBytes+=bytesPerRow){    
            for(column=0;column<width;column++){
                uint8_t b=rowBytes[column*4];
                uint8_t g=rowBytes[column*4+1];
                uint8_t r=rowBytes[column*4+2];
                uint8_t a=rowBytes[column*4+3];
                
                if(a<255){
                    SetPixel(colorDC,column,row,RGB(r,g,b));
                    SetPixel(maskDC,column,row,RGB(255,255,255));
                }
                else {
                    SetPixel(colorDC,column,row,RGB(r,g,b));
                    SetPixel(maskDC,column,row,RGB(0,0,0));
                }
            }
        }
        SelectObject(colorDC,oldColorBitmap);
        SelectObject(maskDC,oldMaskBitmap);
        DeleteDC(colorDC);
        DeleteDC(maskDC);
        
    }
    
    ReleaseDC(NULL,displayDC);
    
    CGContextRelease(context);
    
    ICONINFO iconInfo;
    
    iconInfo.fIcon=FALSE;
    iconInfo.hbmMask=maskBitmap;
    iconInfo.hbmColor=colorBitmap;
    
    _trayIcon=CreateIconIndirect(&iconInfo);
    
    DeleteObject(colorBitmap);
    DeleteObject(maskBitmap);
}



#endif

#pragma mark Public Methods

- (id)init {
    self = [super init];
    if (self) {
#ifdef WIN32
        _trayIcon = NULL;
        _trayIconID = -1;
        _win32Menu = NULL;
#endif
    }
    return self;
}

- (NSStatusBar *)statusBar{
    return [NSStatusBar systemStatusBar];
}

- (SEL)action{
    return _action;
}
- (void)setAction:(SEL)action{
    _action = action;
}
- (SEL)doubleAction{
    return _doubleAction;
}
- (void)setDoubleAction:(SEL)action{
    _doubleAction = action;
}
- (id)target{
    return _target;
}
- (void)setTarget:(id)target{
    _target = target;
}

- (NSImage *)image{
    return _image;
}

- (void)setImage:(NSImage *)image{
    [_image release];
    _image = nil;
    _image = [image copy];
#ifdef WIN32
    if(_trayIconID <= -1){
        [self _createTrayIcon];
    }
#endif
}
- (NSImage *)alternateImage{
    return _alternateImage;
}
- (void)setAlternateImage:(NSImage *)image{
#ifndef WIN32
    [_alternateImage release];
    _alternateImage = nil;
    _alternateImage = [image copy];
#endif
}

- (NSString *)title{
    return _title;
}
- (void)setTitle:(NSString *)title{
#ifndef WIN32
    [_title release];
    _title = nil;
    _title = [title copy];
#endif
}
- (void)setToolTip:(NSString *)toolTip{
    
}
- (NSAttributedString *)attributedTitle{
    return _atrTitle;
}
- (void)setAttributedTitle:(NSAttributedString *)title{
#ifndef WIN32
    [_atrTitle release];
    _atrTitle = nil;
    _atrTitle = [title copy];
#endif
}

- (NSView *)view{
    return _view;
}
- (void)setView:(NSView *)view{
    [_view release];
    _view = nil;
    _view = [view copy];
    //Start capture timer
}

- (BOOL)highlightMode{
    return _highlightMode;
}
- (void)setHighlightMode:(BOOL)flag{
    _highlightMode = flag;
}

- (BOOL)isEnabled{
    return _enabled;
}
- (void)setEnabled:(BOOL)flag{
    _enabled = flag;
}

- (CGFloat)length{
#ifdef WIN32
    int traySizeX = GetSystemMetrics(SM_CXSMICON);
    int traySizeY = GetSystemMetrics(SM_CYSMICON);
    //Make sure we return a value that will ensure icon will not be clipped with
    //non-standard tray icon sizes
    NSLog(@"X:%d Y:%d",traySizeX,traySizeY);
    if(traySizeX > traySizeY){
        return traySizeY;
    }else {
        return traySizeX;
    }
#endif
    return _length;
}
- (void)setLength:(CGFloat)len{
#ifndef WIN32
    _length = len;
#endif
}

- (NSMenu *)menu{
    return _menu;
}
- (void)setMenu:(NSMenu *)menu{
    [_menu release];
    _menu = nil;
    _menu = [menu copy];
#ifdef WIN32
    //Preprocess Menu into HMENU ready for Win32 Events
    if(_win32Menu == NULL){
        _win32Menu = CreatePopupMenu();
    }
    if(_win32Menu) {
        for(int i = 0; i < [_menu itemArray].count; i++){
            [self _w32loadMenuItem:[[_menu itemArray] objectAtIndex:i] withIdentifier:i intoMenu:_win32Menu];
        }
        NSLog(@"Done");
    }
#endif
}

- (void)popUpStatusItemMenu:(NSMenu *)menu{
}

- (void)_showContextMenu{
#ifdef WIN32
    if(_win32Menu){
        POINT pt;
        GetCursorPos(&pt);
        Win32Window *window = [[NSStatusBar systemStatusBar] fakeWindow];
        SetForegroundWindow([window windowHandle]);
        TrackPopupMenu(_win32Menu, TPM_RIGHTBUTTON, pt.x, pt.y, 0, [window windowHandle], NULL);
    }else {
        NSLog(@"win32Menu is null!");
    }
#endif
}                                                        

- (NSInteger)sendActionOn:(NSInteger)mask{
    int previousMask = _actionMask;
    _actionMask = mask;
    return previousMask;
}

- (void)drawStatusBarBackgroundInRect:(NSRect)rect withHighlight:(BOOL)highlight{
    NSUnimplementedMethod();
}

@end