一般来说,我都不推荐大家把现有的C/C++非要翻译为aardio代码,有现成的就不要自己写,能拿别人的就不自己造 - 这是aardio奉行的基本原则之一。
这可不是说C/C++能做的事用aardio就一定做不到,例如这个取QQ消息,虽然都是对指针数组的操作,真要用aardio写一遍可并不是难事,这么说吧,比起C++代码来说,我们用aardio,只要用一半的代码就可以了, 废话不多说,上代码(注意在电脑上打开看):
import win.ui;
import com;
import winex;
/*DSG{{*/
var winform = win.form(text="aardio form";right=759;bottom=469)
winform.add(
button={cls="button";text="取QQ信息";left=658;top=21;right=742;bottom=60;z=2};
edit={cls="edit";text="edit";left=10;top=5;right=640;bottom=465;autohscroll=false;autovscroll=1;edge=1;multiline=1;z=1}
)
/*}}*/
var oleacc = ..raw.loadDll("OLEACC.DLL");
IID_IAccessible = '\xE0\x36\x87\x61\x3D\x3C\xCF\x11\x81\x0C\x00\xAA\x00\x38\x9B\x71';
var findAccessibleChildren;
findAccessibleChildren = function(accParent,name){
//这里用结构体数组也可以,直接分配内存代码更简单,因为aardio分配内存时已经初始化为VT_EMPTY,所以不需要 VariantInit
var output = raw.malloc( 16/*sizeof(Variant)*/ * accParent.accChildCount );
obtained = {int size};//用结构体给API提供int指针
var pAccParent = com.GetPointer(accParent); //aardio为了避免指针操作失误,不允许COM对象自动转换为指针,所以自己取一下
var hr,obtained = oleacc.AccessibleChildren(pAccParent, 0,accParent.accChildCount, output,obtained);
com.Release(pAccParent);
if( hr < 0 ) return;//COM中小于0的都是错误码
for(i=0;obtained.size-1;1){
var p = raw.toPointer(output,16*i);
var t = raw.convert(p,{word value}).value;
if( t != 9/*_VT_DISPATCH*/ ) continue;
//将数组中Variant结构体的指针转换为Variant对象,方便操作
var variant = com.Variant( p,true);
var accChild = com.QueryObject( variant.pdispVal ); //转换为COM对象(COM.IDispatch)
variant.clear();//释放Variant对象
if( accChild.accName(0/*CHILDID_SELF*/) == name ){
var v = accChild.accValue(0/*CHILDID_SELF*/);
if(#v) return v;
}
var v = findAccessibleChildren(accChild,name);
if(#v) return v;
}
}
findAccessibleString = function(hwnd,name){
var pvObject = {ptr p}
if( 0 == oleacc.AccessibleObjectFromWindow(hwnd,0,IID_IAccessible,pvObject) ){
var accParent = com.QueryObject( pvObject.p ); //转换为COM对象(COM.IDispatch)
com.Release(pvObject.p);
return findAccessibleChildren( com.QueryObject( pvObject.p ),name );
}
}
winform.button.oncommand = function(id,event){
for hwnd in winex.each( "TXGuiFoundation") {
var qqMessage = findAccessibleString(hwnd,"消息");
if( #qqMessage ) winform.edit.log( qqMessage)
}
}
winform.show()
win.loopMessage();