Support for graphics in text buffers

[rodin/chimara.git] / libchimara / gestalt.c

diff --git a/libchimara/gestalt.c b/libchimara/gestalt.c
index 398aede093e5839e12fbeb1d6001dde22bddb706..e3529094233d4f88cf055abc7af0023b76562421 100644 (file)
--- a/libchimara/gestalt.c
+++ b/libchimara/gestalt.c
@@ -90,10 +90,10 @@ glk_gestalt_ext(glui32 sel, glui32 val, glui32 *arr, glui32 arrlen)
                        /* All characters are printed as one character, in any case */
                        if(arr && arrlen > 0)
                                *arr = 1;
-                       /* Cannot print control chars except \n, or chars > 255 */
-                       if( (val < 32 && val != 10) || (val >= 127 && val <= 159) || (val > 255) )
+                       /* Cannot print control chars except \n */
+                       if( (val < 32 && val != 10) || (val >= 127 && val <= 159) )
                                return gestalt_CharOutput_CannotPrint;
-                       /* Can print all other Latin-1 characters */
+                       /* Can print all other characters */
                        return gestalt_CharOutput_ExactPrint;
                
                /* Unicode capabilities present */
@@ -103,18 +103,33 @@ glk_gestalt_ext(glui32 sel, glui32 val, glui32 *arr, glui32 arrlen)
                /* Timer capabilities present */
                case gestalt_Timer:
                        return 1;
-                       
-               /* Unsupported capabilities */
+
+               /* Hyperlink capabilities present */
+               case gestalt_Hyperlinks:
+                       return 1;
+
+               /* Hyperlinks supported on textbuffers and textgrids */
+               case gestalt_HyperlinkInput:
+                       return val == wintype_TextBuffer || val == wintype_TextGrid;
+
+               /* Mouse support present in textgrids */
                case gestalt_MouseInput:
+                       return val == wintype_TextGrid;
+
                case gestalt_Graphics:
+                       return 1;
+
                case gestalt_DrawImage:
+                       return val == wintype_Graphics || val == wintype_TextBuffer;
+
+               case gestalt_GraphicsTransparency:
+                       return 1;
+                       
+               /* Unsupported capabilities */
                case gestalt_Sound:
                case gestalt_SoundVolume:
                case gestalt_SoundNotify:
-               case gestalt_Hyperlinks:
-               case gestalt_HyperlinkInput:
                case gestalt_SoundMusic:
-               case gestalt_GraphicsTransparency:
                /* Selector not supported */    
                default:
                        return 0;