src/osx/cocoa/utils.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/cocoa/utils.mm
   3 // Purpose:     various cocoa utility functions
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id: utils.mm 48805 2007-09-19 14:52:25Z SC $
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #include "wx/wxprec.h"
  15
  16 #include "wx/utils.h"
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/intl.h"
  20     #include "wx/app.h"
  21     #if wxUSE_GUI
  22         #include "wx/toplevel.h"
  23         #include "wx/font.h"
  24     #endif
  25 #endif
  26
  27 #include "wx/apptrait.h"
  28
  29 #include "wx/osx/private.h"
  30
  31 #if wxUSE_GUI
  32 #if wxOSX_USE_COCOA_OR_CARBON
  33     #include <CoreServices/CoreServices.h>
  34     #include "wx/osx/dcclient.h"
  35     #include "wx/osx/private/timer.h"
  36 #endif
  37 #endif // wxUSE_GUI
  38
  39 #if wxOSX_USE_COCOA
  40
  41 #if wxUSE_BASE
  42
  43 // Emit a beeeeeep
  44 void wxBell()
  45 {
  46     NSBeep();
  47 }
  48
  49 // ----------------------------------------------------------------------------
  50 // Common Event Support
  51 // ----------------------------------------------------------------------------
  52
  53 void wxMacWakeUp()
  54 {
  55     // TODO
  56 }
  57
  58 #endif // wxUSE_BASE
  59
  60 #if wxUSE_GUI
  61
  62 bool wxApp::DoInitGui()
  63 {
  64     [NSApplication sharedApplication];
  65     [NSApp finishLaunching];
  66     return true;
  67 }
  68
  69 void wxApp::DoCleanUp()
  70 {
  71 }
  72
  73 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
  74 {
  75     NSRect displayRect = [[NSScreen mainScreen] visibleFrame];
  76     wxRect r = wxFromNSRect( NULL, displayRect );
  77     if ( x )
  78         *x = r.x;
  79     if ( y )
  80         *y = r.y;
  81     if ( width )
  82         *width = r.GetWidth();
  83     if ( height )
  84         *height = r.GetHeight();
  85
  86 }
  87
  88 void wxGetMousePosition( int* x, int* y )
  89 {
  90     wxPoint pt = wxFromNSPoint(NULL, [NSEvent mouseLocation]);
  91 };
  92
  93 wxTimerImpl* wxGUIAppTraits::CreateTimerImpl(wxTimer *timer)
  94 {
  95     return new wxOSXTimerImpl(timer);
  96 }
  97
  98 int gs_wxBusyCursorCount = 0;
  99 extern wxCursor    gMacCurrentCursor;
 100 wxCursor        gMacStoredActiveCursor;
 101
 102 // Set the cursor to the busy cursor for all windows
 103 void wxBeginBusyCursor(const wxCursor *cursor)
 104 {
 105     if (gs_wxBusyCursorCount++ == 0)
 106     {
 107         gMacStoredActiveCursor = gMacCurrentCursor;
 108         cursor->MacInstall();
 109
 110         wxSetCursor(*cursor);
 111     }
 112     //else: nothing to do, already set
 113 }
 114
 115 // Restore cursor to normal
 116 void wxEndBusyCursor()
 117 {
 118     wxCHECK_RET( gs_wxBusyCursorCount > 0,
 119         wxT("no matching wxBeginBusyCursor() for wxEndBusyCursor()") );
 120
 121     if (--gs_wxBusyCursorCount == 0)
 122     {
 123         gMacStoredActiveCursor.MacInstall();
 124         gMacStoredActiveCursor = wxNullCursor;
 125
 126         wxSetCursor(wxNullCursor);
 127     }
 128 }
 129
 130 // true if we're between the above two calls
 131 bool wxIsBusy()
 132 {
 133     return (gs_wxBusyCursorCount > 0);
 134 }
 135
 136 void wxMacGlobalToLocal( WindowRef window , Point*pt )
 137 {
 138 }
 139
 140 void wxMacLocalToGlobal( WindowRef window , Point*pt )
 141 {
 142 }
 143
 144 wxBitmap wxWindowDCImpl::DoGetAsBitmap(const wxRect *subrect) const
 145 {
 146     // wxScreenDC is derived from wxWindowDC, so a screen dc will
 147     // call this method when a Blit is performed with it as a source.
 148     if (!m_window)
 149         return wxNullBitmap;
 150
 151     wxSize sz = m_window->GetSize();
 152
 153     int left = subrect != NULL ? subrect->x : 0 ;
 154     int top = subrect != NULL ? subrect->y : 0 ;
 155     int width = subrect != NULL ? subrect->width : sz.x;
 156     int height = subrect !=  NULL ? subrect->height : sz.y ;
 157
 158     NSRect rect = NSMakeRect(left, top, width, height );
 159     NSView* view = (NSView*) m_window->GetHandle();
 160     [view lockFocus];
 161     // we use this method as other methods force a repaint, and this method can be
 162     // called from OnPaint, even with the window's paint dc as source (see wxHTMLWindow)
 163     NSBitmapImageRep *rep = [[[NSBitmapImageRep alloc] initWithFocusedViewRect: [view bounds]] retain];
 164     [view unlockFocus];
 165
 166     CGImageRef cgImageRef = (CGImageRef)[rep CGImage];
 167
 168     wxBitmap bitmap(CGImageGetWidth(cgImageRef)  , CGImageGetHeight(cgImageRef) );
 169     CGRect r = CGRectMake( 0 , 0 , CGImageGetWidth(cgImageRef)  , CGImageGetHeight(cgImageRef) );
 170     // since our context is upside down we dont use CGContextDrawImage
 171     wxMacDrawCGImage( (CGContextRef) bitmap.GetHBITMAP() , &r, cgImageRef ) ;
 172     CGImageRelease(cgImageRef);
 173     cgImageRef = NULL;
 174     [rep release];
 175
 176     return bitmap;
 177 }
 178
 179 #endif // wxUSE_GUI
 180
 181
 182
 183 #endif // wxOSX_USE_COCOA