src/mac/carbon/colordlgosx.mm

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