src/osx/carbon/colordlgosx.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/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/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 #include "wx/osx/private.h"
  36
  37 #import <Foundation/Foundation.h>
  38 #import <AppKit/AppKit.h>
  39
  40 // ---------------------------------------------------------------------------
  41 // wxCPWCDelegate - Window Closed delegate
  42 // ---------------------------------------------------------------------------
  43
  44 @interface wxCPWCDelegate : NSObject wxOSX_10_6_AND_LATER(<NSWindowDelegate>)
  45 {
  46     bool m_bIsClosed;
  47 }
  48
  49 // Delegate methods
  50 - (id)init;
  51 - (BOOL)windowShouldClose:(id)sender;
  52 - (BOOL)isClosed;
  53 @end // interface wxNSFontPanelDelegate : NSObject
  54
  55 @implementation wxCPWCDelegate : NSObject
  56
  57 - (id)init
  58 {
  59     [super init];
  60     m_bIsClosed = false;
  61
  62     return self;
  63 }
  64
  65 - (BOOL)windowShouldClose:(id)sender
  66 {
  67     wxUnusedVar(sender);
  68
  69     m_bIsClosed = true;
  70
  71     [NSApp abortModal];
  72     [NSApp stopModal];
  73     return YES;
  74 }
  75
  76 - (BOOL)isClosed
  77 {
  78     return m_bIsClosed;
  79 }
  80
  81 @end // wxNSFontPanelDelegate
  82
  83 /*
  84  * wxColourDialog
  85  */
  86
  87 wxColourDialog::wxColourDialog()
  88 {
  89     m_dialogParent = NULL;
  90 }
  91
  92 wxColourDialog::wxColourDialog(wxWindow *parent, wxColourData *data)
  93 {
  94     Create(parent, data);
  95 }
  96
  97 bool wxColourDialog::Create(wxWindow *parent, wxColourData *data)
  98 {
  99     m_dialogParent = parent;
 100
 101     if (data)
 102         m_colourData = *data;
 103
 104     //autorelease pool - req'd for carbon
 105     NSAutoreleasePool *thePool;
 106     thePool = [[NSAutoreleasePool alloc] init];
 107
 108     if(m_colourData.GetColour().IsOk())
 109         [[NSColorPanel sharedColorPanel] setColor:
 110             [NSColor colorWithCalibratedRed:(CGFloat) (m_colourData.GetColour().Red() / 255.0)
 111                                         green:(CGFloat) (m_colourData.GetColour().Green() / 255.0)
 112                                         blue:(CGFloat) (m_colourData.GetColour().Blue() / 255.0)
 113                                         alpha:(CGFloat) 1.0]
 114         ];
 115     else
 116         [[NSColorPanel sharedColorPanel] setColor:[NSColor blackColor]];
 117
 118     //We're done - free up the pool
 119     [thePool release];
 120
 121     return true;
 122 }
 123 int wxColourDialog::ShowModal()
 124 {
 125     //Start the pool.  Required for carbon interaction
 126     //(For those curious, the only thing that happens
 127     //if you don't do this is a bunch of error
 128     //messages about leaks on the console,
 129     //with no windows shown or anything).
 130     NSAutoreleasePool *thePool;
 131     thePool = [[NSAutoreleasePool alloc] init];
 132
 133     //Get the shared color and font panel
 134     NSColorPanel* theColorPanel = [NSColorPanel sharedColorPanel];
 135
 136     //Create and assign the delegates (cocoa event handlers) so
 137     //we can tell if a window has closed/open or not
 138     wxCPWCDelegate* theCPDelegate = [[wxCPWCDelegate alloc] init];
 139     [theColorPanel setDelegate:theCPDelegate];
 140
 141             //
 142             //  Start the color panel modal loop
 143             //
 144             wxDialog::OSXBeginModalDialog();
 145             NSModalSession session = [NSApp beginModalSessionForWindow:theColorPanel];
 146             for (;;)
 147             {
 148                 [NSApp runModalSession:session];
 149
 150                 //If the color panel is closed, return the font panel modal loop
 151                 if ([theCPDelegate isClosed])
 152                     break;
 153             }
 154             [NSApp endModalSession:session];
 155             wxDialog::OSXEndModalDialog();
 156
 157     //free up the memory for the delegates - we don't need them anymore
 158     [theColorPanel setDelegate:nil];
 159     [theCPDelegate release];
 160
 161     //Get the shared color panel along with the chosen color and set the chosen color
 162     NSColor* theColor = [[theColorPanel color] colorUsingColorSpaceName:NSCalibratedRGBColorSpace];
 163
 164     m_colourData.GetColour().Set(
 165                                 (unsigned char) ([theColor redComponent] * 255.0),
 166                                 (unsigned char) ([theColor greenComponent] * 255.0),
 167                                 (unsigned char) ([theColor blueComponent] * 255.0)
 168                                    );
 169
 170     //Release the pool, we're done :)
 171     [thePool release];
 172
 173     //Return ID_OK - there are no "apply" buttons or the like
 174     //on either the font or color panel
 175     return wxID_OK;
 176 }
 177
 178 #endif //use native font dialog
 179