src/osx/carbon/colordlgosx.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/carbon/colordlgosx.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 // Copyright:   (c) Ryan Norton
   9 // Licence:       wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ===========================================================================
  13 // declarations
  14 // ===========================================================================
  15
  16 // ---------------------------------------------------------------------------
  17 // headers
  18 // ---------------------------------------------------------------------------
  19
  20 #include "wx/wxprec.h"
  21
  22 #include "wx/colordlg.h"
  23 #include "wx/fontdlg.h"
  24 #include "wx/modalhook.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     self = [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     [[NSColorPanel sharedColorPanel] setShowsAlpha:YES];
 109     if(m_colourData.GetColour().IsOk())
 110         [[NSColorPanel sharedColorPanel] setColor:
 111             [NSColor colorWithCalibratedRed:(CGFloat) (m_colourData.GetColour().Red() / 255.0)
 112                                         green:(CGFloat) (m_colourData.GetColour().Green() / 255.0)
 113                                         blue:(CGFloat) (m_colourData.GetColour().Blue() / 255.0)
 114                                         alpha:(CGFloat) (m_colourData.GetColour().Alpha() / 255.0)]
 115         ];
 116     else
 117         [[NSColorPanel sharedColorPanel] setColor:[NSColor blackColor]];
 118
 119     //We're done - free up the pool
 120     [thePool release];
 121
 122     return true;
 123 }
 124 int wxColourDialog::ShowModal()
 125 {
 126     WX_HOOK_MODAL_DIALOG();
 127
 128     //Start the pool.  Required for carbon interaction
 129     //(For those curious, the only thing that happens
 130     //if you don't do this is a bunch of error
 131     //messages about leaks on the console,
 132     //with no windows shown or anything).
 133     NSAutoreleasePool *thePool;
 134     thePool = [[NSAutoreleasePool alloc] init];
 135
 136     //Get the shared color and font panel
 137     NSColorPanel* theColorPanel = [NSColorPanel sharedColorPanel];
 138
 139     //Create and assign the delegates (cocoa event handlers) so
 140     //we can tell if a window has closed/open or not
 141     wxCPWCDelegate* theCPDelegate = [[wxCPWCDelegate alloc] init];
 142     [theColorPanel setDelegate:theCPDelegate];
 143
 144             //
 145             //  Start the color panel modal loop
 146             //
 147             wxDialog::OSXBeginModalDialog();
 148             NSModalSession session = [NSApp beginModalSessionForWindow:theColorPanel];
 149             for (;;)
 150             {
 151                 [NSApp runModalSession:session];
 152
 153                 //If the color panel is closed, return the font panel modal loop
 154                 if ([theCPDelegate isClosed])
 155                     break;
 156             }
 157             [NSApp endModalSession:session];
 158             wxDialog::OSXEndModalDialog();
 159
 160     //free up the memory for the delegates - we don't need them anymore
 161     [theColorPanel setDelegate:nil];
 162     [theCPDelegate release];
 163
 164     //Get the shared color panel along with the chosen color and set the chosen color
 165     NSColor* theColor = [[theColorPanel color] colorUsingColorSpaceName:NSCalibratedRGBColorSpace];
 166
 167     m_colourData.GetColour().Set(
 168                                 (unsigned char) ([theColor redComponent] * 255.0),
 169                                 (unsigned char) ([theColor greenComponent] * 255.0),
 170                                 (unsigned char) ([theColor blueComponent] * 255.0),
 171                                 (unsigned char) ([theColor alphaComponent] * 255.0)
 172                                  );
 173
 174     //Release the pool, we're done :)
 175     [thePool release];
 176
 177     //Return ID_OK - there are no "apply" buttons or the like
 178     //on either the font or color panel
 179     return wxID_OK;
 180 }
 181
 182 #endif //use native font dialog
 183