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path: root/fpdfsdk/pwl/cpwl_edit_ctrl.cpp
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Diffstat (limited to 'fpdfsdk/pwl/cpwl_edit_ctrl.cpp')
-rw-r--r--fpdfsdk/pwl/cpwl_edit_ctrl.cpp420
1 files changed, 420 insertions, 0 deletions
diff --git a/fpdfsdk/pwl/cpwl_edit_ctrl.cpp b/fpdfsdk/pwl/cpwl_edit_ctrl.cpp
new file mode 100644
index 0000000000..a852cb6231
--- /dev/null
+++ b/fpdfsdk/pwl/cpwl_edit_ctrl.cpp
@@ -0,0 +1,420 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "fpdfsdk/pwl/cpwl_edit_ctrl.h"
+
+#include "core/fpdfdoc/cpvt_section.h"
+#include "core/fpdfdoc/cpvt_word.h"
+#include "core/fxge/fx_font.h"
+#include "fpdfsdk/pwl/cpwl_caret.h"
+#include "fpdfsdk/pwl/cpwl_edit_impl.h"
+#include "fpdfsdk/pwl/cpwl_font_map.h"
+#include "fpdfsdk/pwl/cpwl_scroll_bar.h"
+#include "fpdfsdk/pwl/cpwl_wnd.h"
+#include "public/fpdf_fwlevent.h"
+
+CPWL_EditCtrl::CPWL_EditCtrl()
+ : m_pEdit(new CPWL_EditImpl),
+ m_pEditCaret(nullptr),
+ m_bMouseDown(false),
+ m_nCharSet(FX_CHARSET_Default) {}
+
+CPWL_EditCtrl::~CPWL_EditCtrl() {}
+
+void CPWL_EditCtrl::OnCreate(PWL_CREATEPARAM& cp) {
+ cp.eCursorType = FXCT_VBEAM;
+}
+
+void CPWL_EditCtrl::OnCreated() {
+ SetFontSize(GetCreationParam().fFontSize);
+
+ m_pEdit->SetFontMap(GetFontMap());
+ m_pEdit->SetNotify(this);
+ m_pEdit->Initialize();
+}
+
+bool CPWL_EditCtrl::IsWndHorV() {
+ CFX_Matrix mt = GetWindowMatrix();
+ return mt.Transform(CFX_PointF(1, 1)).y == mt.Transform(CFX_PointF(0, 1)).y;
+}
+
+void CPWL_EditCtrl::SetCursor() {
+ if (IsValid()) {
+ if (CFX_SystemHandler* pSH = GetSystemHandler()) {
+ if (IsWndHorV())
+ pSH->SetCursor(FXCT_VBEAM);
+ else
+ pSH->SetCursor(FXCT_HBEAM);
+ }
+ }
+}
+
+CFX_WideString CPWL_EditCtrl::GetSelectedText() {
+ if (m_pEdit)
+ return m_pEdit->GetSelectedText();
+
+ return CFX_WideString();
+}
+
+void CPWL_EditCtrl::DeleteSelectedText() {
+ if (m_pEdit)
+ m_pEdit->ClearSelection();
+}
+
+void CPWL_EditCtrl::RePosChildWnd() {
+ m_pEdit->SetPlateRect(GetClientRect());
+}
+
+void CPWL_EditCtrl::SetScrollInfo(const PWL_SCROLL_INFO& info) {
+ if (CPWL_Wnd* pChild = GetVScrollBar())
+ pChild->SetScrollInfo(info);
+}
+
+void CPWL_EditCtrl::SetScrollPosition(float pos) {
+ if (CPWL_Wnd* pChild = GetVScrollBar())
+ pChild->SetScrollPosition(pos);
+}
+
+void CPWL_EditCtrl::ScrollWindowVertically(float pos) {
+ m_pEdit->SetScrollPos(CFX_PointF(m_pEdit->GetScrollPos().x, pos));
+}
+
+void CPWL_EditCtrl::CreateChildWnd(const PWL_CREATEPARAM& cp) {
+ if (!IsReadOnly())
+ CreateEditCaret(cp);
+}
+
+void CPWL_EditCtrl::CreateEditCaret(const PWL_CREATEPARAM& cp) {
+ if (m_pEditCaret)
+ return;
+
+ m_pEditCaret = new CPWL_Caret;
+ m_pEditCaret->SetInvalidRect(GetClientRect());
+
+ PWL_CREATEPARAM ecp = cp;
+ ecp.pParentWnd = this;
+ ecp.dwFlags = PWS_CHILD | PWS_NOREFRESHCLIP;
+ ecp.dwBorderWidth = 0;
+ ecp.nBorderStyle = BorderStyle::SOLID;
+ ecp.rcRectWnd = CFX_FloatRect();
+
+ m_pEditCaret->Create(ecp);
+}
+
+void CPWL_EditCtrl::SetFontSize(float fFontSize) {
+ m_pEdit->SetFontSize(fFontSize);
+}
+
+float CPWL_EditCtrl::GetFontSize() const {
+ return m_pEdit->GetFontSize();
+}
+
+bool CPWL_EditCtrl::OnKeyDown(uint16_t nChar, uint32_t nFlag) {
+ if (m_bMouseDown)
+ return true;
+
+ bool bRet = CPWL_Wnd::OnKeyDown(nChar, nFlag);
+
+ // FILTER
+ switch (nChar) {
+ default:
+ return false;
+ case FWL_VKEY_Delete:
+ case FWL_VKEY_Up:
+ case FWL_VKEY_Down:
+ case FWL_VKEY_Left:
+ case FWL_VKEY_Right:
+ case FWL_VKEY_Home:
+ case FWL_VKEY_End:
+ case FWL_VKEY_Insert:
+ case 'C':
+ case 'V':
+ case 'X':
+ case 'A':
+ case 'Z':
+ case 'c':
+ case 'v':
+ case 'x':
+ case 'a':
+ case 'z':
+ break;
+ }
+
+ if (nChar == FWL_VKEY_Delete && m_pEdit->IsSelected())
+ nChar = FWL_VKEY_Unknown;
+
+ switch (nChar) {
+ case FWL_VKEY_Delete:
+ Delete();
+ return true;
+ case FWL_VKEY_Insert:
+ if (IsSHIFTpressed(nFlag))
+ PasteText();
+ return true;
+ case FWL_VKEY_Up:
+ m_pEdit->OnVK_UP(IsSHIFTpressed(nFlag), false);
+ return true;
+ case FWL_VKEY_Down:
+ m_pEdit->OnVK_DOWN(IsSHIFTpressed(nFlag), false);
+ return true;
+ case FWL_VKEY_Left:
+ m_pEdit->OnVK_LEFT(IsSHIFTpressed(nFlag), false);
+ return true;
+ case FWL_VKEY_Right:
+ m_pEdit->OnVK_RIGHT(IsSHIFTpressed(nFlag), false);
+ return true;
+ case FWL_VKEY_Home:
+ m_pEdit->OnVK_HOME(IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag));
+ return true;
+ case FWL_VKEY_End:
+ m_pEdit->OnVK_END(IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag));
+ return true;
+ case FWL_VKEY_Unknown:
+ if (!IsSHIFTpressed(nFlag))
+ ClearSelection();
+ else
+ CutText();
+ return true;
+ default:
+ break;
+ }
+
+ return bRet;
+}
+
+bool CPWL_EditCtrl::OnChar(uint16_t nChar, uint32_t nFlag) {
+ if (m_bMouseDown)
+ return true;
+
+ CPWL_Wnd::OnChar(nChar, nFlag);
+
+ // FILTER
+ switch (nChar) {
+ case 0x0A:
+ case 0x1B:
+ return false;
+ default:
+ break;
+ }
+
+ bool bCtrl = IsCTRLpressed(nFlag);
+ bool bAlt = IsALTpressed(nFlag);
+ bool bShift = IsSHIFTpressed(nFlag);
+
+ uint16_t word = nChar;
+
+ if (bCtrl && !bAlt) {
+ switch (nChar) {
+ case 'C' - 'A' + 1:
+ CopyText();
+ return true;
+ case 'V' - 'A' + 1:
+ PasteText();
+ return true;
+ case 'X' - 'A' + 1:
+ CutText();
+ return true;
+ case 'A' - 'A' + 1:
+ SelectAll();
+ return true;
+ case 'Z' - 'A' + 1:
+ if (bShift)
+ Redo();
+ else
+ Undo();
+ return true;
+ default:
+ if (nChar < 32)
+ return false;
+ }
+ }
+
+ if (IsReadOnly())
+ return true;
+
+ if (m_pEdit->IsSelected() && word == FWL_VKEY_Back)
+ word = FWL_VKEY_Unknown;
+
+ ClearSelection();
+
+ switch (word) {
+ case FWL_VKEY_Back:
+ Backspace();
+ break;
+ case FWL_VKEY_Return:
+ InsertReturn();
+ break;
+ case FWL_VKEY_Unknown:
+ break;
+ default:
+ InsertWord(word, GetCharSet());
+ break;
+ }
+
+ return true;
+}
+
+bool CPWL_EditCtrl::OnLButtonDown(const CFX_PointF& point, uint32_t nFlag) {
+ CPWL_Wnd::OnLButtonDown(point, nFlag);
+
+ if (ClientHitTest(point)) {
+ if (m_bMouseDown)
+ InvalidateRect();
+
+ m_bMouseDown = true;
+ SetCapture();
+
+ m_pEdit->OnMouseDown(point, IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag));
+ }
+
+ return true;
+}
+
+bool CPWL_EditCtrl::OnLButtonUp(const CFX_PointF& point, uint32_t nFlag) {
+ CPWL_Wnd::OnLButtonUp(point, nFlag);
+
+ if (m_bMouseDown) {
+ // can receive keybord message
+ if (ClientHitTest(point) && !IsFocused())
+ SetFocus();
+
+ ReleaseCapture();
+ m_bMouseDown = false;
+ }
+
+ return true;
+}
+
+bool CPWL_EditCtrl::OnMouseMove(const CFX_PointF& point, uint32_t nFlag) {
+ CPWL_Wnd::OnMouseMove(point, nFlag);
+
+ if (m_bMouseDown)
+ m_pEdit->OnMouseMove(point, false, false);
+
+ return true;
+}
+
+void CPWL_EditCtrl::SetEditCaret(bool bVisible) {
+ CFX_PointF ptHead;
+ CFX_PointF ptFoot;
+ if (bVisible)
+ GetCaretInfo(&ptHead, &ptFoot);
+
+ SetCaret(bVisible, ptHead, ptFoot);
+}
+
+void CPWL_EditCtrl::GetCaretInfo(CFX_PointF* ptHead, CFX_PointF* ptFoot) const {
+ CPWL_EditImpl_Iterator* pIterator = m_pEdit->GetIterator();
+ pIterator->SetAt(m_pEdit->GetCaret());
+ CPVT_Word word;
+ CPVT_Line line;
+ if (pIterator->GetWord(word)) {
+ ptHead->x = word.ptWord.x + word.fWidth;
+ ptHead->y = word.ptWord.y + word.fAscent;
+ ptFoot->x = word.ptWord.x + word.fWidth;
+ ptFoot->y = word.ptWord.y + word.fDescent;
+ } else if (pIterator->GetLine(line)) {
+ ptHead->x = line.ptLine.x;
+ ptHead->y = line.ptLine.y + line.fLineAscent;
+ ptFoot->x = line.ptLine.x;
+ ptFoot->y = line.ptLine.y + line.fLineDescent;
+ }
+}
+
+void CPWL_EditCtrl::SetCaret(bool bVisible,
+ const CFX_PointF& ptHead,
+ const CFX_PointF& ptFoot) {
+ if (m_pEditCaret) {
+ if (!IsFocused() || m_pEdit->IsSelected())
+ bVisible = false;
+
+ m_pEditCaret->SetCaret(bVisible, ptHead, ptFoot);
+ }
+}
+
+CFX_WideString CPWL_EditCtrl::GetText() const {
+ return m_pEdit->GetText();
+}
+
+void CPWL_EditCtrl::SetSelection(int32_t nStartChar, int32_t nEndChar) {
+ m_pEdit->SetSelection(nStartChar, nEndChar);
+}
+
+void CPWL_EditCtrl::GetSelection(int32_t& nStartChar, int32_t& nEndChar) const {
+ m_pEdit->GetSelection(nStartChar, nEndChar);
+}
+
+void CPWL_EditCtrl::ClearSelection() {
+ if (!IsReadOnly())
+ m_pEdit->ClearSelection();
+}
+
+void CPWL_EditCtrl::SelectAll() {
+ m_pEdit->SelectAll();
+}
+
+void CPWL_EditCtrl::SetScrollPos(const CFX_PointF& point) {
+ m_pEdit->SetScrollPos(point);
+}
+
+CFX_PointF CPWL_EditCtrl::GetScrollPos() const {
+ return m_pEdit->GetScrollPos();
+}
+
+void CPWL_EditCtrl::CopyText() {}
+
+void CPWL_EditCtrl::PasteText() {}
+
+void CPWL_EditCtrl::CutText() {}
+
+void CPWL_EditCtrl::InsertWord(uint16_t word, int32_t nCharset) {
+ if (!IsReadOnly())
+ m_pEdit->InsertWord(word, nCharset);
+}
+
+void CPWL_EditCtrl::InsertReturn() {
+ if (!IsReadOnly())
+ m_pEdit->InsertReturn();
+}
+
+void CPWL_EditCtrl::Delete() {
+ if (!IsReadOnly())
+ m_pEdit->Delete();
+}
+
+void CPWL_EditCtrl::Backspace() {
+ if (!IsReadOnly())
+ m_pEdit->Backspace();
+}
+
+bool CPWL_EditCtrl::CanUndo() const {
+ return !IsReadOnly() && m_pEdit->CanUndo();
+}
+
+bool CPWL_EditCtrl::CanRedo() const {
+ return !IsReadOnly() && m_pEdit->CanRedo();
+}
+
+void CPWL_EditCtrl::Redo() {
+ if (CanRedo())
+ m_pEdit->Redo();
+}
+
+void CPWL_EditCtrl::Undo() {
+ if (CanUndo())
+ m_pEdit->Undo();
+}
+
+int32_t CPWL_EditCtrl::GetCharSet() const {
+ return m_nCharSet < 0 ? FX_CHARSET_Default : m_nCharSet;
+}
+
+void CPWL_EditCtrl::SetReadyToInput() {
+ if (m_bMouseDown) {
+ ReleaseCapture();
+ m_bMouseDown = false;
+ }
+}