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comparison qt/core/QVariant.d @ 140:6cbe4f5f8fb7

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D: autoregistration of new types in metasystem for QVariant. D: implement QVariant.canConvert!(Type).
author SokoL_SD
date Sun, 07 Jun 2009 18:30:09 +0000
parents cbdfc92eac7f
children 7ae51fb20f61
comparison
equal deleted inserted replaced
139:825ac6364d2f 140:6cbe4f5f8fb7
94 LastType = 0xffffffff // need this so that gcc >= 3.4 allocates 32 bits for Type 94 LastType = 0xffffffff // need this so that gcc >= 3.4 allocates 32 bits for Type
95 } 95 }
96 96
97 // Functions 97 // Functions
98 98
99 private template getMetaId()
100 {
101 const char[] getMetaId = "
102 int i = qtd_MetatypeId(toStringz(name));
103 if(i <= 0)
104 i = qRegisterMetaType!(T)(name);";
105 }
106
99 static public QVariant fromValue(T)(T obj) 107 static public QVariant fromValue(T)(T obj)
100 { 108 {
101 QVariant var; 109 QVariant var;
102 static if (is(T == class) || is(T == interface)) 110 static if (is(T == class) || is(T == interface))
103 { 111 {
104 int i = qtd_MetatypeId(toStringz(obj.classinfo.name)); 112 string name = obj.classinfo.name;
113 mixin(getMetaId!());
105 var = new QVariant(i, cast(void*)(obj)); 114 var = new QVariant(i, cast(void*)(obj));
106 } 115 }
107 else static if (isDynamicArrayType!(T) || isStaticArrayType!(T) ) 116 else static if (isDynamicArrayType!(T) || isStaticArrayType!(T) )
108 { 117 {
109 int i = qtd_MetatypeId(toStringz(typeid(ElementTypeOfArray!(T)).toString ~ "[]")); 118 string name = typeid(ElementTypeOfArray!(T)).toString ~ "[]";
119 mixin(getMetaId!());
110 auto darray = new DArrayToC; 120 auto darray = new DArrayToC;
111 darray.array = obj.dup; 121 darray.array = obj.dup;
112 var = new QVariant(i, cast(void*)(darray)); 122 var = new QVariant(i, cast(void*)(darray));
113 } 123 }
114 else 124 else
115 { 125 {
116 int i = qtd_MetatypeId(toStringz(typeid(T).toString)); 126 string name = typeid(T).toString;
127 mixin(getMetaId!());
117 auto data = new T; 128 auto data = new T;
118 *data = obj; 129 *data = obj;
119 var = new QVariant(i, cast(void*)(data)); 130 var = new QVariant(i, cast(void*)(data));
120 } 131 }
121 return var; 132 return var;
297 public this(ulong ull) { 308 public this(ulong ull) {
298 void* __qt_return_value = qtd_QVariant_QVariant_ulong(ull); 309 void* __qt_return_value = qtd_QVariant_QVariant_ulong(ull);
299 super(__qt_return_value); 310 super(__qt_return_value);
300 } 311 }
301 312
302 public final bool canConvert(Type type) { 313 private final bool canConvertImpl(char[] name)
303 return qtd_QVariant_canConvert(nativeId, type); 314 {
315 int i = qtd_MetatypeId(toStringz(name));
316 assert(i > 0);
317 return qtd_QVariant_canConvert(nativeId, i);
318 }
319
320 public final bool canConvert(Type)() {
321 static if ( is(Type == QBitArray) )
322 return canConvertImpl("QBitArray");
323 else static if ( is(Type == bool) )
324 return canConvertImpl("bool");
325 else static if ( is(Type == QByteArray) )
326 return canConvertImpl("QByteArray");
327 else static if ( is(Type == QDate) )
328 return canConvertImpl("QDate");
329 else static if ( is(Type == QDateTime) )
330 return canConvertImpl("QDateTime");
331 else static if ( is(Type == double) )
332 return canConvertImpl("double");
333 else static if ( is(Type == int) )
334 return canConvertImpl("int");
335 else static if ( is(Type == QLine) )
336 return canConvertImpl("QLine");
337 else static if ( is(Type == QLineF) )
338 return canConvertImpl("QLineF");
339 else static if ( is(Type == QLocale) )
340 return canConvertImpl("QLocale");
341 else static if ( is(Type == long) )
342 return canConvertImpl("long");
343 else static if ( is(Type == QPoint) )
344 return canConvertImpl("QPoint");
345 else static if ( is(Type == QPointF) )
346 return canConvertImpl("QPointF");
347 else static if ( is(Type == QRect) )
348 return canConvertImpl("QRect");
349 else static if ( is(Type == QRectF) )
350 return canConvertImpl("QRectF");
351 else static if ( is(Type == QRegExp) )
352 return canConvertImpl("QRegExp");
353 else static if ( is(Type == QSize) )
354 return canConvertImpl("QSize");
355 else static if ( is(Type == QSizeF) )
356 return canConvertImpl("QSizeF");
357 else static if ( is(Type == string) )
358 return canConvertImpl("QString");
359 else static if ( is(Type == QTime) )
360 return canConvertImpl("QTime");
361 else static if ( is(Type == uint) )
362 return canConvertImpl("unsigned int"); // TODO:
363 else static if ( is(Type == ulong) )
364 return canConvertImpl("unsigned long long"); // TODO:
365 else static if ( is(Type == QUrl) )
366 return canConvertImpl("QUrl");
367 else
368 {
369 static if( is( Type == class ) || is( Type == interface ) )
370 {
371 Object object = cast(Object)qtd_QVariant_data(nativeId);
372 if(object)
373 return cast(Type)(object) !is null;
374 return false;
375 }
376 else static if (isDynamicArrayType!(Type) || isStaticArrayType!(Type) )
377 {
378 auto array = cast(DArrayToC*)qtd_QVariant_data(nativeId);
379 return cast(Type)(array.array) !is null;
380 }
381 else
382 {
383 int i = qtd_MetatypeId(toStringz(typeid(Type).toString));
384 return qtd_QVariant_canConvert(nativeId, i);
385 }
386 }
304 } 387 }
305 388
306 public final Type value(Type)() { 389 public final Type value(Type)() {
307 static if ( is(Type == QBitArray) ) 390 static if ( is(Type == QBitArray) )
308 return toBitArra; 391 return toBitArra;