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/osx/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     wxUnusedVar(sender);
  73
  74     m_bIsClosed = true;
  75
  76     [NSApp abortModal];
  77     [NSApp stopModal];
  78     return YES;
  79 }
  80
  81 - (BOOL)isClosed
  82 {
  83     return m_bIsClosed;
  84 }
  85
  86 @end // wxNSFontPanelDelegate
  87
  88 /*
  89  * wxColourDialog
  90  */
  91
  92 wxColourDialog::wxColourDialog()
  93 {
  94     m_dialogParent = NULL;
  95 }
  96
  97 wxColourDialog::wxColourDialog(wxWindow *parent, wxColourData *data)
  98 {
  99     Create(parent, data);
 100 }
 101
 102 bool wxColourDialog::Create(wxWindow *parent, wxColourData *data)
 103 {
 104     m_dialogParent = parent;
 105
 106     if (data)
 107         m_colourData = *data;
 108
 109     //
 110     //  This is the key call - this initializes
 111     //  events and window stuff for cocoa for carbon
 112     //  applications.
 113     //
 114     //  This is also the only call here that is
 115     //  10.2+ specific (the rest is OSX only),
 116     //  which, ironically, the carbon font
 117     //  panel requires.
 118     //
 119     bool bOK = NSApplicationLoad();
 120
 121     //autorelease pool - req'd for carbon
 122     NSAutoreleasePool *thePool;
 123     thePool = [[NSAutoreleasePool alloc] init];
 124
 125     if(m_colourData.GetColour().IsOk())
 126         [[NSColorPanel sharedColorPanel] setColor:
 127             [NSColor colorWithCalibratedRed:m_colourData.GetColour().Red() / 255.0
 128                                         green:m_colourData.GetColour().Green() / 255.0
 129                                         blue:m_colourData.GetColour().Blue() / 255.0
 130                                         alpha:1.0]
 131         ];
 132     else
 133         [[NSColorPanel sharedColorPanel] setColor:[NSColor blackColor]];
 134
 135     //We're done - free up the pool
 136     [thePool release];
 137
 138     return bOK;
 139 }
 140 int wxColourDialog::ShowModal()
 141 {
 142     //Start the pool.  Required for carbon interaction
 143     //(For those curious, the only thing that happens
 144     //if you don't do this is a bunch of error
 145     //messages about leaks on the console,
 146     //with no windows shown or anything).
 147     NSAutoreleasePool *thePool;
 148     thePool = [[NSAutoreleasePool alloc] init];
 149
 150     //Get the shared color and font panel
 151     NSColorPanel* theColorPanel = [NSColorPanel sharedColorPanel];
 152
 153     //Create and assign the delegates (cocoa event handlers) so
 154     //we can tell if a window has closed/open or not
 155     wxCPWCDelegate* theCPDelegate = [[wxCPWCDelegate alloc] init];
 156     [theColorPanel setDelegate:theCPDelegate];
 157
 158             //
 159             //  Start the color panel modal loop
 160             //
 161             NSModalSession session = [NSApp beginModalSessionForWindow:theColorPanel];
 162             for (;;)
 163             {
 164                 [NSApp runModalSession:session];
 165
 166                 //If the color panel is closed, return the font panel modal loop
 167                 if ([theCPDelegate isClosed])
 168                     break;
 169             }
 170             [NSApp endModalSession:session];
 171
 172     //free up the memory for the delegates - we don't need them anymore
 173     [theCPDelegate release];
 174
 175     //Get the shared color panel along with the chosen color and set the chosen color
 176     NSColor* theColor = [[theColorPanel color] colorUsingColorSpaceName:NSCalibratedRGBColorSpace];
 177
 178     m_colourData.GetColour().Set(
 179                                 (unsigned char) ([theColor redComponent] * 255.0),
 180                                 (unsigned char) ([theColor greenComponent] * 255.0),
 181                                 (unsigned char) ([theColor blueComponent] * 255.0)
 182                                    );
 183
 184     //Release the pool, we're done :)
 185     [thePool release];
 186
 187     //Return ID_OK - there are no "apply" buttons or the like
 188     //on either the font or color panel
 189     return wxID_OK;
 190 }
 191
 192 #endif //use native font dialog
 193