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authorDan Sinclair <dsinclair@chromium.org>2017-09-06 11:44:39 -0400
committerChromium commit bot <commit-bot@chromium.org>2017-09-06 15:54:37 +0000
commiteb57e0d0b396606b39ef76a864b8bf9dd91a8ed8 (patch)
tree3d4ee88701eed1cbb56f456ea6ebc7c7c0f47f6c /xfa/fde/cfde_texteditengine.cpp
parent746552254ad113ef88b40aca4dbc0e57cefbac85 (diff)
downloadpdfium-eb57e0d0b396606b39ef76a864b8bf9dd91a8ed8.tar.xz
Implement word selection in CFDE_TextEditEngine
This CL implements the needed logic in CFDE_TextEditEngine to handle word selection. Change-Id: I6b388c23655037fec107d68ec07d33638b959374 Reviewed-on: https://pdfium-review.googlesource.com/13211 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Diffstat (limited to 'xfa/fde/cfde_texteditengine.cpp')
-rw-r--r--xfa/fde/cfde_texteditengine.cpp25
1 files changed, 20 insertions, 5 deletions
diff --git a/xfa/fde/cfde_texteditengine.cpp b/xfa/fde/cfde_texteditengine.cpp
index e92897ea7d..b5948d45ce 100644
--- a/xfa/fde/cfde_texteditengine.cpp
+++ b/xfa/fde/cfde_texteditengine.cpp
@@ -9,6 +9,7 @@
#include <algorithm>
#include <limits>
+#include "core/fxcrt/cfx_wordbreak.h"
#include "xfa/fde/cfde_textout.h"
namespace {
@@ -927,7 +928,14 @@ std::vector<CFX_RectF> CFDE_TextEditEngine::GetCharacterRectsInRange(
return rects;
}
-CFDE_TextEditEngine::Iterator::Iterator(CFDE_TextEditEngine* engine)
+std::pair<size_t, size_t> CFDE_TextEditEngine::BoundsForWordAt(
+ size_t idx) const {
+ CFX_WordBreak breaker(
+ pdfium::MakeUnique<CFDE_TextEditEngine::Iterator>(this));
+ return breaker.BoundsAt(idx);
+}
+
+CFDE_TextEditEngine::Iterator::Iterator(const CFDE_TextEditEngine* engine)
: engine_(engine), current_position_(-1) {}
CFDE_TextEditEngine::Iterator::~Iterator() {}
@@ -936,8 +944,9 @@ bool CFDE_TextEditEngine::Iterator::Next(bool bPrev) {
if (bPrev && current_position_ == -1)
return false;
if (!bPrev && current_position_ > -1 &&
- static_cast<size_t>(current_position_) == engine_->GetLength())
+ static_cast<size_t>(current_position_) == engine_->GetLength()) {
return false;
+ }
if (bPrev)
--current_position_;
@@ -952,7 +961,12 @@ wchar_t CFDE_TextEditEngine::Iterator::GetChar() const {
}
void CFDE_TextEditEngine::Iterator::SetAt(int32_t nIndex) {
- NOTREACHED();
+ if (nIndex < 0)
+ current_position_ = 0;
+ else if (static_cast<size_t>(nIndex) >= engine_->GetLength())
+ current_position_ = engine_->GetLength();
+ else
+ current_position_ = nIndex;
}
int32_t CFDE_TextEditEngine::Iterator::GetAt() const {
@@ -967,6 +981,7 @@ bool CFDE_TextEditEngine::Iterator::IsEOF(bool bTail) const {
}
std::unique_ptr<IFX_CharIter> CFDE_TextEditEngine::Iterator::Clone() const {
- NOTREACHED();
- return pdfium::MakeUnique<CFDE_TextEditEngine::Iterator>(engine_.Get());
+ auto it = pdfium::MakeUnique<CFDE_TextEditEngine::Iterator>(engine_.Get());
+ it->current_position_ = current_position_;
+ return it;
}