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Code Issues Actions 1 Projects Releases Wiki Activity

Win-specific: Prevent selection clearing while scanning GoldenDict window

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Abs62 2012-09-24 17:42:36 +04:00
parent 09b9e9aa46
commit ffb24d9a0b
1 changed files with 75 additions and 0 deletions
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75
articleview.cc
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@ -1710,6 +1710,46 @@ QString ArticleView::wordAtPoint( int x, int y )
baseElem.tagName().compare( "HEAD" ) == 0 )
return word;
bool block = blockSignals( true );
/// Save selection position
baseElem.evaluateJavaScript( "var __gd_sel=window.getSelection();"
"if(__gd_sel && __gd_sel.rangeCount>0) {"
"__gd_StartTree=[]; __gd_EndTree=[];"
"__gd_SelRange=__gd_sel.getRangeAt(0);"
"var __gd_baseRange=document.createRange();"
"__gd_baseRange.selectNode(this);"
"if(__gd_baseRange.comparePoint(__gd_SelRange.startContainer,0)==0) {"
"__gd_StartOffset=__gd_SelRange.startOffset;"
"var __gd_child=__gd_SelRange.startContainer;"
""
"var __gd_parent='';"
"if(__gd_child==this) __gd_StartTree.push(-1);"
"else while(__gd_parent!=this) {"
"var n=0; __gd_parent=__gd_child.parentNode;"
"var __gd_el=__gd_parent.firstChild;"
"while(__gd_el!=__gd_child) { n++; __gd_el=__gd_el.nextSibling; }"
"__gd_StartTree.push(n);"
"__gd_child=__gd_parent;"
"}"
"}"
"if(__gd_baseRange.comparePoint(__gd_SelRange.endContainer,0)==0) {"
"__gd_EndOffset=__gd_SelRange.endOffset;"
"var __gd_child=__gd_SelRange.endContainer;"
"var __gd_parent='';"
"if(__gd_child==this) __gd_EndTree.push(-1);"
"else while(__gd_parent!=this) {"
"var n=0; __gd_parent=__gd_child.parentNode;"
"var __gd_el=__gd_parent.firstChild;"
"while(__gd_el!=__gd_child) { n++; __gd_el=__gd_el.nextSibling; }"
"__gd_EndTree.push(n);"
"__gd_child=__gd_parent;"
"}"
"}"
"}"
);
/// Enclose every word be <span> </span>
QString content = baseElem.toInnerXml();
@ -1738,6 +1778,41 @@ QString ArticleView::wordAtPoint( int x, int y )
/// Restore old content
baseElem.setInnerXml( content );
/// Restore selection
baseElem.evaluateJavaScript( "var flag=0;"
"if(__gd_StartTree && __gd_StartTree.length) {"
" var __gd_el=this;"
" while(__gd_StartTree.length) {"
" __gd_el=__gd_el.firstChild;"
" var n=__gd_StartTree.pop();"
" if(n<0) __gd_el=this;"
" else for(var i=0;i<n;i++) __gd_el=__gd_el.nextSibling;"
" }"
" __gd_SelRange.setStart(__gd_el, __gd_StartOffset);"
" __gd_StartTree.splice(0,__gd_StartTree.length);"
" flag+=1;"
"}"
"if(__gd_EndTree && __gd_EndTree.length) {"
" var __gd_el=this;"
" while(__gd_EndTree.length) {"
" __gd_el=__gd_el.firstChild;"
" var n=__gd_EndTree.pop();"
" if(n<0) __gd_el=this;"
" else for(var i=0;i<n;i++) __gd_el=__gd_el.nextSibling;"
" }"
" __gd_SelRange.setEnd(__gd_el, __gd_EndOffset);"
" __gd_EndTree.splice(0,__gd_EndTree.length);"
" flag+=1;"
"}"
"if(flag>0) {"
" var __gd_sel=window.getSelection();"
" __gd_sel.removeAllRanges();"
" __gd_sel.addRange(__gd_SelRange);"
"}"
);
blockSignals( block );
return word;
}