src/mac/carbon/colordlgosx.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/carbon/colordlg.mm
   3 // Purpose:     wxColourDialog class. NOTE: you can use the generic class
   4 //              if you wish, instead of implementing this.
   5 // Author:      Ryan Norton
   6 // Modified by:
   7 // Created:     2004-11-16
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) Ryan Norton
  10 // Licence:       wxWindows licence
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 // ===========================================================================
  14 // declarations
  15 // ===========================================================================
  16
  17 // ---------------------------------------------------------------------------
  18 // headers
  19 // ---------------------------------------------------------------------------
  20
  21 #include "wx/wxprec.h"
  22
  23 #include "wx/mac/colordlg.h"
  24 #include "wx/fontdlg.h"
  25
  26 // ============================================================================
  27 // implementation
  28 // ============================================================================
  29
  30 //Mac OSX 10.2+ only
  31 #if USE_NATIVE_FONT_DIALOG_FOR_MACOSX
  32
  33 IMPLEMENT_DYNAMIC_CLASS(wxColourDialog, wxDialog)
  34
  35 // Cocoa headers
  36 #include "wx/cocoa/autorelease.h"
  37 #include "wx/cocoa/string.h"
  38
  39 #import <AppKit/NSFont.h>
  40 #import <AppKit/NSFontManager.h>
  41 #import <AppKit/NSFontPanel.h>
  42 #import <AppKit/NSColor.h>
  43 #import <AppKit/NSColorPanel.h>
  44
  45 // ---------------------------------------------------------------------------
  46 // wxCPWCDelegate - Window Closed delegate
  47 // ---------------------------------------------------------------------------
  48
  49 @interface wxCPWCDelegate : NSObject
  50 {
  51     bool m_bIsClosed;
  52 }
  53
  54 // Delegate methods
  55 - (id)init;
  56 - (BOOL)windowShouldClose:(id)sender;
  57 - (BOOL)isClosed;
  58 @end // interface wxNSFontPanelDelegate : NSObject
  59
  60 @implementation wxCPWCDelegate : NSObject
  61
  62 - (id)init
  63 {
  64     [super init];
  65     m_bIsClosed = false;
  66
  67     return self;
  68 }
  69
  70 - (BOOL)windowShouldClose:(id)sender
  71 {
  72     m_bIsClosed = true;
  73
  74     [NSApp abortModal];
  75     [NSApp stopModal];
  76     return YES;
  77 }
  78
  79 - (BOOL)isClosed
  80 {
  81     return m_bIsClosed;
  82 }
  83
  84 @end // wxNSFontPanelDelegate
  85
  86 /*
  87  * wxColourDialog
  88  */
  89
  90 wxColourDialog::wxColourDialog()
  91 {
  92     m_dialogParent = NULL;
  93 }
  94
  95 wxColourDialog::wxColourDialog(wxWindow *parent, wxColourData *data)
  96 {
  97     Create(parent, data);
  98 }
  99
 100 bool wxColourDialog::Create(wxWindow *parent, wxColourData *data)
 101 {
 102     m_dialogParent = parent;
 103
 104     if (data)
 105         m_colourData = *data;
 106
 107     //
 108     //  This is the key call - this initializes
 109     //  events and window stuff for cocoa for carbon
 110     //  applications.
 111     //
 112     //  This is also the only call here that is
 113     //  10.2+ specific (the rest is OSX only),
 114     //  which, ironically, the carbon font
 115     //  panel requires.
 116     //
 117     bool bOK = NSApplicationLoad();
 118
 119     //autorelease pool - req'd for carbon
 120     NSAutoreleasePool *thePool;
 121     thePool = [[NSAutoreleasePool alloc] init];
 122
 123     if(m_colourData.m_dataColour.Ok())
 124         [[NSColorPanel sharedColorPanel] setColor:
 125             [NSColor colorWithCalibratedRed:m_colourData.m_dataColour.Red() / 255.0
 126                                         green:m_colourData.m_dataColour.Green() / 255.0
 127                                         blue:m_colourData.m_dataColour.Blue() / 255.0
 128                                         alpha:1.0]
 129         ];
 130     else
 131         [[NSColorPanel sharedColorPanel] setColor:[NSColor blackColor]];
 132
 133     //We're done - free up the pool
 134     [thePool release];
 135
 136     return bOK;
 137 }
 138 int wxColourDialog::ShowModal()
 139 {
 140     //Start the pool.  Required for carbon interaction
 141     //(For those curious, the only thing that happens
 142     //if you don't do this is a bunch of error
 143     //messages about leaks on the console,
 144     //with no windows shown or anything).
 145     NSAutoreleasePool *thePool;
 146     thePool = [[NSAutoreleasePool alloc] init];
 147
 148     //Get the shared color and font panel
 149     NSColorPanel* theColorPanel = [NSColorPanel sharedColorPanel];
 150
 151     //Create and assign the delegates (cocoa event handlers) so
 152     //we can tell if a window has closed/open or not
 153     wxCPWCDelegate* theCPDelegate = [[wxCPWCDelegate alloc] init];
 154     [theColorPanel setDelegate:theCPDelegate];
 155
 156             //
 157             //  Start the color panel modal loop
 158             //
 159             NSModalSession session = [NSApp beginModalSessionForWindow:theColorPanel];
 160             for (;;)
 161             {
 162                 [NSApp runModalSession:session];
 163
 164                 //If the color panel is closed, return the font panel modal loop
 165                 if ([theCPDelegate isClosed])
 166                     break;
 167             }
 168             [NSApp endModalSession:session];
 169
 170     //free up the memory for the delegates - we don't need them anymore
 171     [theCPDelegate release];
 172
 173     //Get the shared color panel along with the chosen color and set the chosen color
 174     NSColor* theColor = [[theColorPanel color] colorUsingColorSpaceName:NSCalibratedRGBColorSpace];
 175
 176     m_colourData.m_dataColour.Set(
 177                                 (unsigned char) ([theColor redComponent] * 255.0),
 178                                 (unsigned char) ([theColor greenComponent] * 255.0),
 179                                 (unsigned char) ([theColor blueComponent] * 255.0)
 180                                    );
 181
 182     //Release the pool, we're done :)
 183     [thePool release];
 184
 185     //Return ID_OK - there are no "apply" buttons or the like
 186     //on either the font or color panel
 187     return wxID_OK;
 188 }
 189
 190 #endif //use native font dialog
 191