mirror of
https://github.com/xiaoyifang/goldendict-ng.git
synced 2024-12-18 07:24:07 +00:00
115 lines
2.9 KiB
C++
115 lines
2.9 KiB
C++
#include <windows.h>
|
|
#include <servprov.h>
|
|
#include "wordbyauto.hh"
|
|
#include "uiauto.hh"
|
|
|
|
#include <cstdio>
|
|
#include "gddebug.hh"
|
|
|
|
class GDAutomationClient {
|
|
public:
|
|
GDAutomationClient();
|
|
~GDAutomationClient();
|
|
bool getWordAtPoint( POINT pt );
|
|
WCHAR *getText() { return buffer; }
|
|
private:
|
|
WCHAR buffer[256];
|
|
IUIAutomation *pGDAutomation;
|
|
IUIAutomationTreeWalker *pTree;
|
|
};
|
|
|
|
GDAutomationClient gdAuto;
|
|
|
|
GDAutomationClient::GDAutomationClient()
|
|
{
|
|
HRESULT hr;
|
|
CoInitializeEx( NULL, COINIT_APARTMENTTHREADED );
|
|
hr = CoCreateInstance( CLSID_CUIAutomation , NULL, CLSCTX_INPROC_SERVER, IID_IUIAutomation, (void**)&pGDAutomation );
|
|
if( hr != S_OK ) pGDAutomation = NULL;
|
|
pTree = NULL;
|
|
if( pGDAutomation != NULL )
|
|
hr = pGDAutomation->get_RawViewWalker( &pTree );
|
|
memset( buffer, 0, sizeof(buffer) );
|
|
}
|
|
|
|
GDAutomationClient::~GDAutomationClient()
|
|
{
|
|
if( pTree != NULL ) pTree->Release();
|
|
if( pGDAutomation != NULL ) pGDAutomation->Release();
|
|
CoUninitialize();
|
|
}
|
|
|
|
bool GDAutomationClient::getWordAtPoint( POINT pt )
|
|
{
|
|
HRESULT hr;
|
|
IUIAutomationTextPattern *pTextPattern;
|
|
IUIAutomationTextRange *pTextRange;
|
|
IUIAutomationElement *pElement, *pParent;
|
|
BSTR bstr;
|
|
RECT r = { 0, 0, 0, 0 };
|
|
bool bGoUp;
|
|
|
|
DPRINTF("\nEntering getWordAtPoint\n");
|
|
|
|
if( pGDAutomation == NULL ) return false;
|
|
|
|
buffer[0] = 0;
|
|
pElement = NULL;
|
|
hr = pGDAutomation->ElementFromPoint( pt, &pElement );
|
|
DPRINTF("ElementFromPoint return hr=%08lX, ptr=%p\n", hr, pElement);
|
|
if( hr != S_OK || pElement == NULL )
|
|
return false;
|
|
|
|
pTextPattern = NULL;
|
|
bGoUp = false;
|
|
while( pElement != NULL ) {
|
|
hr = pElement->GetCurrentPatternAs( UIA_TextPatternId, IID_IUIAutomationTextPattern, (void**)&pTextPattern );
|
|
if( hr == S_OK && pTextPattern != NULL )
|
|
break;
|
|
if( pTree == NULL ) {
|
|
pElement->Release();
|
|
return false;
|
|
}
|
|
pParent = NULL;
|
|
hr = pTree->GetParentElement( pElement, &pParent );
|
|
pElement->Release();
|
|
pElement = pParent;
|
|
bGoUp = TRUE;
|
|
}
|
|
if( pElement == NULL )
|
|
return false;
|
|
|
|
if( !bGoUp ) {
|
|
hr = pElement->get_CurrentBoundingRectangle( &r );
|
|
if( hr == S_OK) {
|
|
pt.x -= r.left;
|
|
pt.y -= r.top;
|
|
}
|
|
}
|
|
pElement->Release();
|
|
|
|
pTextRange = NULL;
|
|
hr = pTextPattern->RangeFromPoint( pt, &pTextRange );
|
|
pTextPattern->Release();
|
|
if( hr != S_OK || pTextRange == NULL )
|
|
return false;
|
|
|
|
hr = pTextRange->ExpandToEnclosingUnit( TextUnit_Word );
|
|
if( hr == S_OK) {
|
|
hr = pTextRange->GetText( 255, &bstr );
|
|
if (hr == S_OK) {
|
|
wsprintfW( buffer, L"%s", (LPCWSTR)bstr );
|
|
SysFreeString( bstr );
|
|
}
|
|
}
|
|
pTextRange->Release();
|
|
|
|
return ( buffer[0] != 0 );
|
|
}
|
|
|
|
WCHAR *gdGetWordAtPointByAutomation( POINT pt )
|
|
{
|
|
if( gdAuto.getWordAtPoint( pt ) ) return gdAuto.getText();
|
|
else return NULL;
|
|
}
|