1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
/**
* @file llviewquery.cpp
* @brief Implementation of view query class.
*
* Copyright (c) 2001-2007, Linden Research, Inc.
*
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlife.com/developers/opensource/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlife.com/developers/opensource/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
*/
#include "llview.h"
#include "lluictrl.h"
#include "llviewquery.h"
void LLQuerySorter::operator() (LLView * parent, viewList_t &children) const {}
filterResult_t LLNoLeavesFilter::operator() (const LLView* const view, const viewList_t & children) const
{
return filterResult_t(!(view->getChildList()->size() == 0), TRUE);
}
filterResult_t LLVisibleFilter::operator() (const LLView* const view, const viewList_t & children) const
{
return filterResult_t(view->getVisible(), view->getVisible());
}
filterResult_t LLEnabledFilter::operator() (const LLView* const view, const viewList_t & children) const
{
return filterResult_t(view->getEnabled(), view->getEnabled());
}
filterResult_t LLTabStopFilter::operator() (const LLView* const view, const viewList_t & children) const
{
return filterResult_t(view->isCtrl() && static_cast<const LLUICtrl* const>(view)->hasTabStop(),
view->canFocusChildren());
}
// LLViewQuery
LLViewQuery::LLViewQuery(): mPreFilters(), mPostFilters(), mSorterp()
{
}
void LLViewQuery::addPreFilter(const LLQueryFilter* prefilter) { mPreFilters.push_back(prefilter); }
void LLViewQuery::addPostFilter(const LLQueryFilter* postfilter) { mPostFilters.push_back(postfilter); }
const LLViewQuery::filterList_t & LLViewQuery::getPreFilters() const { return mPreFilters; }
const LLViewQuery::filterList_t & LLViewQuery::getPostFilters() const { return mPostFilters; }
void LLViewQuery::setSorter(const LLQuerySorter* sorterp) { mSorterp = sorterp; }
const LLQuerySorter* LLViewQuery::getSorter() const { return mSorterp; }
viewList_t LLViewQuery::run(LLView * view) const
{
viewList_t result;
filterResult_t pre = runFilters(view, viewList_t(), mPreFilters);
if(!pre.first && !pre.second)
{
// skip post filters completely if we're not including ourselves or the children
return result;
}
if(pre.second)
{
// run filters on children
viewList_t filtered_children;
filterChildren(view, filtered_children);
filterResult_t post = runFilters(view, filtered_children, mPostFilters);
if(pre.first && post.first)
{
result.push_back(view);
}
if(post.second)
{
result.insert(result.end(), filtered_children.begin(), filtered_children.end());
}
}
else
{
if(pre.first)
{
result.push_back(view);
}
}
return result;
}
void LLViewQuery::filterChildren(LLView * view, viewList_t & filtered_children) const
{
LLView::child_list_t views(*(view->getChildList()));
(*mSorterp)(view, views); // sort the children per the sorter
for(LLView::child_list_iter_t iter = views.begin();
iter != views.end();
iter++)
{
viewList_t indiv_children = this->run(*iter);
filtered_children.insert(filtered_children.end(), indiv_children.begin(), indiv_children.end());
}
}
filterResult_t LLViewQuery::runFilters(LLView * view, const viewList_t children, const filterList_t filters) const
{
filterResult_t result = filterResult_t(TRUE, TRUE);
for(filterList_const_iter_t iter = filters.begin();
iter != filters.end();
iter++)
{
filterResult_t filtered = (**iter)(view, children);
result.first = result.first && filtered.first;
result.second = result.second && filtered.second;
}
return result;
}
class SortByTabOrder : public LLQuerySorter, public LLSingleton<SortByTabOrder>
{
/*virtual*/ void operator() (LLView * parent, LLView::child_list_t &children) const
{
children.sort(LLCompareByTabOrder(parent->getCtrlOrder()));
}
};
LLCtrlQuery::LLCtrlQuery() :
LLViewQuery()
{
setSorter(SortByTabOrder::getInstance());
}
|
