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 #ifdef __GNUG__
  22 #pragma implementation "colordlg.h"
  23 #endif
  24
  25 #include "wx/mac/colordlg.h"
  26 #include "wx/fontdlg.h"
  27
  28 // ============================================================================
  29 // implementation
  30 // ============================================================================
  31
  32 //Mac OSX 10.2+ only
  33 #if USE_NATIVE_FONT_DIALOG_FOR_MACOSX
  34
  35 #if !USE_SHARED_LIBRARY
  36 IMPLEMENT_DYNAMIC_CLASS(wxColourDialog, wxDialog)
  37 #endif
  38
  39 // Cocoa headers
  40 #include "wx/cocoa/autorelease.h"
  41 #include "wx/cocoa/string.h"
  42
  43 #import <AppKit/NSFont.h>
  44 #import <AppKit/NSFontManager.h>
  45 #import <AppKit/NSFontPanel.h>
  46 #import <AppKit/NSColor.h>
  47 #import <AppKit/NSColorPanel.h>
  48
  49 // ---------------------------------------------------------------------------
  50 // wxCPWCDelegate - Window Closed delegate
  51 // ---------------------------------------------------------------------------
  52
  53 @interface wxCPWCDelegate : NSObject
  54 {
  55     bool m_bIsClosed;
  56 }
  57
  58 // Delegate methods
  59 - (id)init;
  60 - (BOOL)windowShouldClose:(id)sender;
  61 - (BOOL)isClosed;
  62 @end // interface wxNSFontPanelDelegate : NSObject
  63
  64 @implementation wxCPWCDelegate : NSObject
  65
  66 - (id)init
  67 {
  68     [super init];
  69     m_bIsClosed = false;
  70
  71     return self;
  72 }
  73
  74 - (BOOL)windowShouldClose:(id)sender
  75 {
  76     m_bIsClosed = true;
  77
  78     [NSApp abortModal];
  79     [NSApp stopModal];
  80     return YES;
  81 }
  82
  83 - (BOOL)isClosed
  84 {
  85     return m_bIsClosed;
  86 }
  87
  88 @end // wxNSFontPanelDelegate
  89
  90 /*
  91  * wxColourDialog
  92  */
  93
  94 wxColourDialog::wxColourDialog()
  95 {
  96     m_dialogParent = NULL;
  97 }
  98
  99 wxColourDialog::wxColourDialog(wxWindow *parent, wxColourData *data)
 100 {
 101     Create(parent, data);
 102 }
 103
 104 bool wxColourDialog::Create(wxWindow *parent, wxColourData *data)
 105 {
 106     m_dialogParent = parent;
 107
 108     if (data)
 109         m_colourData = *data;
 110
 111     //
 112     //  This is the key call - this initializes
 113     //  events and window stuff for cocoa for carbon
 114     //  applications.
 115     //
 116     //  This is also the only call here that is
 117     //  10.2+ specific (the rest is OSX only),
 118     //  which, ironically, the carbon font
 119     //  panel requires.
 120     //
 121     bool bOK = NSApplicationLoad();
 122
 123     //autorelease pool - req'd for carbon
 124     NSAutoreleasePool *thePool;
 125     thePool = [[NSAutoreleasePool alloc] init];
 126
 127     if(m_colourData.m_dataColour.Ok())
 128         [[NSColorPanel sharedColorPanel] setColor:
 129             [NSColor colorWithCalibratedRed:m_colourData.m_dataColour.Red() / 255.0
 130                                         green:m_colourData.m_dataColour.Green() / 255.0
 131                                         blue:m_colourData.m_dataColour.Blue() / 255.0
 132                                         alpha:1.0]
 133         ];
 134     else
 135         [[NSColorPanel sharedColorPanel] setColor:[NSColor blackColor]];
 136
 137     //We're done - free up the pool
 138     [thePool release];
 139
 140     return bOK;
 141 }
 142 int wxColourDialog::ShowModal()
 143 {
 144     //Start the pool.  Required for carbon interaction
 145     //(For those curious, the only thing that happens
 146     //if you don't do this is a bunch of error
 147     //messages about leaks on the console,
 148     //with no windows shown or anything).
 149     NSAutoreleasePool *thePool;
 150     thePool = [[NSAutoreleasePool alloc] init];
 151
 152     //Get the shared color and font panel
 153     NSColorPanel* theColorPanel = [NSColorPanel sharedColorPanel];
 154
 155     //Create and assign the delegates (cocoa event handlers) so
 156     //we can tell if a window has closed/open or not
 157     wxCPWCDelegate* theCPDelegate = [[wxCPWCDelegate alloc] init];
 158     [theColorPanel setDelegate:theCPDelegate];
 159
 160             //
 161             //  Start the color panel modal loop
 162             //
 163             NSModalSession session = [NSApp beginModalSessionForWindow:theColorPanel];
 164             for (;;)
 165             {
 166                 [NSApp runModalSession:session];
 167
 168                 //If the color panel is closed, return the font panel modal loop
 169                 if ([theCPDelegate isClosed])
 170                     break;
 171             }
 172             [NSApp endModalSession:session];
 173
 174     //free up the memory for the delegates - we don't need them anymore
 175     [theCPDelegate release];
 176
 177     //Get the shared color panel along with the chosen color and set the chosen color
 178     NSColor* theColor = [[theColorPanel color] colorUsingColorSpaceName:NSCalibratedRGBColorSpace];
 179
 180     m_colourData.m_dataColour.Set(
 181                                 (unsigned char) ([theColor redComponent] * 255.0),
 182                                 (unsigned char) ([theColor greenComponent] * 255.0),
 183                                 (unsigned char) ([theColor blueComponent] * 255.0)
 184                                    );
 185
 186     //Release the pool, we're done :)
 187     [thePool release];
 188
 189     //Return ID_OK - there are no "apply" buttons or the like
 190     //on either the font or color panel
 191     return wxID_OK;
 192 }
 193
 194 #endif //use native font dialog
 195