src/mac/carbon/fontdlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        fontdlg.cpp
   3 // Purpose:     wxFontDialog class for carbon 10.2+.
   4 // Author:      Ryan Norton
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Ryan Norton
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "fontdlg.h"
  14 #endif
  15
  16 #include "wx/mac/fontdlg.h"
  17 #include "wx/cmndata.h"
  18
  19 #if !USE_SHARED_LIBRARY
  20 IMPLEMENT_DYNAMIC_CLASS(wxFontDialog, wxDialog)
  21 #endif
  22
  23 #include "wx/mac/private.h"
  24
  25 #if defined( __WXMAC__ ) && TARGET_API_MAC_OSX && ( MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_2 )
  26
  27 #include <ATSUnicode.h>
  28
  29 #include "wx/msgdlg.h"
  30
  31 pascal OSStatus wxFontDialogEventHandler(       EventHandlerCallRef inHandlerCallRef,
  32                                                                         EventRef event, void* pData)
  33 {
  34     wxASSERT(GetEventClass(event) == kEventClassFont &&
  35              GetEventKind(event) == kEventFontSelection);
  36
  37     OSStatus status = noErr;
  38
  39     ATSUFontID fontid;
  40     Fixed fontsize;
  41     RGBColor fontcolor;
  42     FMFontStyle fontstyle;
  43
  44     status = GetEventParameter (event, kEventParamFMFontStyle,
  45                                     typeFMFontStyle, NULL,
  46                                     sizeof (FMFontStyle),
  47                                     NULL, &(fontstyle));
  48     check_noerr (status);
  49
  50     status = GetEventParameter (event, kEventParamATSUFontID,
  51                                     typeATSUFontID, NULL,
  52                                     sizeof (ATSUFontID),
  53                                     NULL, &(fontid));
  54     check_noerr (status);
  55
  56     status = GetEventParameter (event, kEventParamATSUFontSize,
  57                                     typeATSUSize, NULL,
  58                                     sizeof (Fixed),
  59                                     NULL, &(fontsize));
  60
  61     check_noerr (status);
  62
  63     status = GetEventParameter (event, kEventParamFontColor,
  64                                     typeRGBColor, NULL,
  65                                     sizeof( RGBColor ), NULL, &fontcolor);
  66     check_noerr (status);
  67
  68     //TODO:
  69     //TODO:     Make a utility function for converting ATSU to WX font (what we're doing :))
  70     //TODO:
  71
  72     //now do the conversion to the wx font data
  73     wxFontData theFontData;
  74     wxFont         theFont;
  75
  76     //first, the easy part - set the color
  77     wxColour theColor;
  78     theColor.Set(&(WXCOLORREF&)fontcolor);
  79     theFontData.SetColour(theColor);
  80
  81     //
  82     //now the hard part - convert the atsu font to a wx font
  83     //
  84
  85     //point size - fixed, but straight conversion, I think
  86     theFont.SetPointSize(fontsize >> 16);
  87
  88     //font name - first get length, then allocate/copy/deallocate name buffer
  89     FontNameCode                theNameCode;
  90     FontPlatformCode    thePlatformCode;
  91     FontScriptCode              theScriptCode;
  92     FontLanguageCode    theLanguageCode;
  93     //the above have types in SFNTTypes.h
  94
  95     ByteCount                   theActualLength;
  96     ATSUGetIndFontName(fontid,
  97                        0, //first font in index array
  98                        0, //need to get length first
  99                        NULL, //nothin'
 100                        &theActualLength,
 101                        &theNameCode,
 102                        &thePlatformCode,
 103                        &theScriptCode,
 104                        &theLanguageCode);
 105
 106     Ptr szBuffer = NewPtr(theActualLength);
 107     ATSUGetIndFontName(fontid,
 108                        0, //first font in index array
 109                        theActualLength,
 110                        szBuffer,
 111                        &theActualLength,
 112                        &theNameCode,
 113                        &thePlatformCode,
 114                        &theScriptCode,
 115                        &theLanguageCode);
 116
 117     //its unicode - convert it to wx's char value and put it in there
 118     theFont.SetFaceName(wxConvLocal.cMB2WX((char*)szBuffer));
 119     DisposePtr(szBuffer);
 120
 121     //TODOTODO: Get font family - mayby by the script code?
 122     theFont.SetFamily(wxDEFAULT);
 123
 124     //TODOTODO: Get other styles?  Font weight?
 125     theFont.SetStyle(((fontstyle & italic) ? wxFONTSTYLE_ITALIC : 0));
 126     theFont.SetWeight((fontstyle & bold) ? wxBOLD : wxNORMAL);
 127     theFont.SetUnderlined(((fontstyle & underline) ? true : false));
 128
 129     //for debugging
 130     //wxPrintf(wxT("FaceName:%s\nSize:%i\nStyle:%i\n"), theFont.GetFaceName().c_str(), theFont.GetPointSize(),
 131     //theFont.GetStyle());
 132
 133     //phew!!  We're done - set the chosen font
 134     theFontData.SetChosenFont(theFont);
 135     ((wxFontDialog*)pData)->SetData(theFontData);
 136
 137     return status;
 138 }
 139
 140 DEFINE_ONE_SHOT_HANDLER_GETTER( wxFontDialogEventHandler );
 141
 142 //---------------------------
 143 //      Class implementation
 144 //---------------------------
 145
 146 wxFontDialog::wxFontDialog() :
 147     m_dialogParent(NULL), m_pEventHandlerRef(NULL)
 148 {
 149 }
 150
 151 wxFontDialog::wxFontDialog(wxWindow *parent, const wxFontData&  data)
 152 {
 153     Create(parent, data);
 154 }
 155
 156 wxFontDialog::~wxFontDialog()
 157 {
 158     if (m_pEventHandlerRef)
 159         ::RemoveEventHandler((EventHandlerRef&)m_pEventHandlerRef);
 160 }
 161
 162 void wxFontDialog::SetData(wxFontData& fontdata)
 163 {
 164     m_fontData = fontdata;
 165 }
 166
 167 bool wxFontDialog::Create(wxWindow *parent, const wxFontData& data)
 168 {
 169     m_dialogParent = parent;
 170     m_fontData = data;
 171
 172     //Register the events that will return this dialog
 173         EventTypeSpec ftEventList[] = { { kEventClassFont, kEventFontSelection } };
 174
 175     OSStatus err = noErr;
 176
 177 //FIXMEFIXME: Why doesn't it recieve events if there's a parent?
 178 //    if (parent)
 179 //    {
 180 //       err = InstallWindowEventHandler(
 181 //            MAC_WXHWND(parent->GetHandle()),
 182 //            GetwxFontDialogEventHandlerUPP(),
 183 //            GetEventTypeCount(ftEventList), ftEventList,
 184 //                      this, (&(EventHandlerRef&)m_pEventHandlerRef));
 185 //
 186 //    }
 187 //    else //no parent - send to app
 188 //    {
 189         err = InstallApplicationEventHandler(
 190             GetwxFontDialogEventHandlerUPP(),
 191             GetEventTypeCount(ftEventList), ftEventList,
 192                         this, (&(EventHandlerRef&)m_pEventHandlerRef));
 193 //        }
 194
 195     return err == noErr;
 196 }
 197
 198 bool wxFontDialog::IsShown() const
 199 {
 200     return FPIsFontPanelVisible();
 201 }
 202
 203 int wxFontDialog::ShowModal()
 204 {
 205     wxASSERT(!FPIsFontPanelVisible());
 206
 207     //set up initial font
 208     wxFont theInitialFont = m_fontData.GetInitialFont();
 209
 210     //create ATSU style
 211     ATSUStyle theStyle;
 212     OSStatus status = ATSUCreateStyle(&theStyle);
 213     check_noerr(status);
 214
 215     //put stuff into the style - we don't need kATSUColorTag
 216     ATSUFontID                          fontid = theInitialFont.MacGetATSUFontID();
 217     Fixed                                       fontsize = theInitialFont.MacGetFontSize() << 16;
 218     ATSUAttributeTag            theTags[2] = { kATSUFontTag, kATSUSizeTag };
 219     ByteCount                   theSizes[2] = { sizeof(ATSUFontID), sizeof(Fixed) };
 220     ATSUAttributeValuePtr   theValues[2] = { &fontid,
 221                                              &fontsize };
 222
 223     //set the stuff for the ATSU style
 224     verify_noerr (ATSUSetAttributes (theStyle, 2, theTags, theSizes, theValues) );
 225
 226     //they set us up the bomb!  Set the initial font of the dialog
 227     SetFontInfoForSelection(kFontSelectionATSUIType,
 228                             1,
 229                             &theStyle,
 230                             (HIObjectRef)
 231                                 (m_dialogParent ?
 232                                  GetWindowEventTarget(MAC_WXHWND(m_dialogParent->GetHandle())) :
 233                                  GetApplicationEventTarget())
 234                             );
 235
 236     //dispose of the style
 237     status = ATSUDisposeStyle(theStyle);
 238     check_noerr(status);
 239
 240     //finally, show the font dialog
 241     if( (status = FPShowHideFontPanel()) == noErr)
 242     {
 243         while(FPIsFontPanelVisible())
 244         {
 245             //yeild so we can get events
 246             ::wxSafeYield(m_dialogParent, false);
 247         }
 248     }
 249     else
 250         return wxID_CANCEL;
 251
 252     return wxID_OK;
 253 }
 254
 255
 256 #else
 257    //10.2+ only
 258
 259
 260 //
 261 //      no native implementation
 262 //
 263
 264 wxFontDialog::wxFontDialog()
 265 {
 266     m_dialogParent = NULL;
 267 }
 268
 269 wxFontDialog::wxFontDialog(wxWindow *parent, const wxFontData&  data)
 270 {
 271     Create(parent, data);
 272 }
 273
 274 void wxFontDialog::SetData(wxFontData& fontdata)
 275 {
 276     m_fontData = fontdata;
 277 }
 278
 279 bool wxFontDialog::Create(wxWindow *parent, const wxFontData& data)
 280 {
 281     m_dialogParent = parent;
 282
 283     m_fontData = data;
 284
 285     // TODO: you may need to do dialog creation here, unless it's
 286     // done in ShowModal.
 287     return TRUE;
 288 }
 289
 290 bool wxFontDialog::IsShown() const
 291 {
 292     return false;
 293 }
 294
 295 int wxFontDialog::ShowModal()
 296 {
 297     // TODO: show (maybe create) the dialog
 298     return wxID_CANCEL;
 299 }
 300
 301 #endif // 10.2+