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Diffstat (limited to 'xfa/fwl/cfwl_combolist.cpp')
-rw-r--r--xfa/fwl/cfwl_combolist.cpp245
1 files changed, 245 insertions, 0 deletions
diff --git a/xfa/fwl/cfwl_combolist.cpp b/xfa/fwl/cfwl_combolist.cpp
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index 0000000000..4ec3abe072
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+++ b/xfa/fwl/cfwl_combolist.cpp
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+// Copyright 2016 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 "xfa/fwl/cfwl_combolist.h"
+
+#include <memory>
+#include <utility>
+
+#include "third_party/base/ptr_util.h"
+#include "xfa/fwl/cfwl_combobox.h"
+#include "xfa/fwl/cfwl_comboedit.h"
+#include "xfa/fwl/cfwl_listbox.h"
+#include "xfa/fwl/cfwl_messagekey.h"
+#include "xfa/fwl/cfwl_messagekillfocus.h"
+#include "xfa/fwl/cfwl_messagemouse.h"
+
+CFWL_ComboList::CFWL_ComboList(
+ const CFWL_App* app,
+ std::unique_ptr<CFWL_WidgetProperties> properties,
+ CFWL_Widget* pOuter)
+ : CFWL_ListBox(app, std::move(properties), pOuter), m_bNotifyOwner(true) {
+ ASSERT(pOuter);
+}
+
+int32_t CFWL_ComboList::MatchItem(const CFX_WideString& wsMatch) {
+ if (wsMatch.IsEmpty())
+ return -1;
+
+ int32_t iCount = CountItems(this);
+ for (int32_t i = 0; i < iCount; i++) {
+ CFWL_ListItem* hItem = GetItem(this, i);
+ CFX_WideString wsText = GetItemText(this, hItem);
+ FX_STRSIZE pos = wsText.Find(wsMatch.c_str());
+ if (!pos)
+ return i;
+ }
+ return -1;
+}
+
+void CFWL_ComboList::ChangeSelected(int32_t iSel) {
+ CFWL_ListItem* hItem = GetItem(this, iSel);
+ CFX_RectF rtInvalidate;
+ rtInvalidate.Reset();
+ CFWL_ListItem* hOld = GetSelItem(0);
+ int32_t iOld = GetItemIndex(this, hOld);
+ if (iOld == iSel)
+ return;
+ if (iOld > -1) {
+ CFWL_ListItem* hItem = GetItem(this, iOld);
+ GetItemRect(this, hItem, rtInvalidate);
+ SetSelItem(hOld, false);
+ }
+ if (hItem) {
+ CFX_RectF rect;
+ CFWL_ListItem* hItem = GetItem(this, iSel);
+ GetItemRect(this, hItem, rect);
+ rtInvalidate.Union(rect);
+ CFWL_ListItem* hSel = GetItem(this, iSel);
+ SetSelItem(hSel, true);
+ }
+ if (!rtInvalidate.IsEmpty())
+ Repaint(&rtInvalidate);
+}
+
+void CFWL_ComboList::ClientToOuter(FX_FLOAT& fx, FX_FLOAT& fy) {
+ fx += m_pProperties->m_rtWidget.left, fy += m_pProperties->m_rtWidget.top;
+ CFWL_Widget* pOwner = GetOwner();
+ if (!pOwner)
+ return;
+ pOwner->TransformTo(m_pOuter, fx, fy);
+}
+
+void CFWL_ComboList::OnProcessMessage(CFWL_Message* pMessage) {
+ if (!pMessage)
+ return;
+
+ CFWL_Message::Type type = pMessage->GetType();
+ bool backDefault = true;
+ if (type == CFWL_Message::Type::SetFocus ||
+ type == CFWL_Message::Type::KillFocus) {
+ OnDropListFocusChanged(pMessage, type == CFWL_Message::Type::SetFocus);
+ } else if (type == CFWL_Message::Type::Mouse) {
+ CFWL_MessageMouse* pMsg = static_cast<CFWL_MessageMouse*>(pMessage);
+ CFWL_ScrollBar* vertSB = GetVertScrollBar();
+ if (IsShowScrollBar(true) && vertSB) {
+ CFX_RectF rect = vertSB->GetWidgetRect();
+ if (rect.Contains(pMsg->m_fx, pMsg->m_fy)) {
+ pMsg->m_fx -= rect.left;
+ pMsg->m_fy -= rect.top;
+ vertSB->GetDelegate()->OnProcessMessage(pMsg);
+ return;
+ }
+ }
+ switch (pMsg->m_dwCmd) {
+ case FWL_MouseCommand::Move: {
+ backDefault = false;
+ OnDropListMouseMove(pMsg);
+ break;
+ }
+ case FWL_MouseCommand::LeftButtonDown: {
+ backDefault = false;
+ OnDropListLButtonDown(pMsg);
+ break;
+ }
+ case FWL_MouseCommand::LeftButtonUp: {
+ backDefault = false;
+ OnDropListLButtonUp(pMsg);
+ break;
+ }
+ default:
+ break;
+ }
+ } else if (type == CFWL_Message::Type::Key) {
+ backDefault = !OnDropListKey(static_cast<CFWL_MessageKey*>(pMessage));
+ }
+ if (backDefault)
+ CFWL_ListBox::OnProcessMessage(pMessage);
+}
+
+void CFWL_ComboList::OnDropListFocusChanged(CFWL_Message* pMsg, bool bSet) {
+ if (bSet)
+ return;
+
+ CFWL_MessageKillFocus* pKill = static_cast<CFWL_MessageKillFocus*>(pMsg);
+ CFWL_ComboBox* pOuter = static_cast<CFWL_ComboBox*>(m_pOuter);
+ if (pKill->m_pSetFocus == m_pOuter ||
+ pKill->m_pSetFocus == pOuter->GetComboEdit()) {
+ pOuter->ShowDropList(false);
+ }
+}
+
+void CFWL_ComboList::OnDropListMouseMove(CFWL_MessageMouse* pMsg) {
+ if (GetRTClient().Contains(pMsg->m_fx, pMsg->m_fy)) {
+ if (m_bNotifyOwner)
+ m_bNotifyOwner = false;
+
+ CFWL_ScrollBar* vertSB = GetVertScrollBar();
+ if (IsShowScrollBar(true) && vertSB) {
+ CFX_RectF rect = vertSB->GetWidgetRect();
+ if (rect.Contains(pMsg->m_fx, pMsg->m_fy))
+ return;
+ }
+
+ CFWL_ListItem* hItem = GetItemAtPoint(pMsg->m_fx, pMsg->m_fy);
+ if (!hItem)
+ return;
+
+ ChangeSelected(GetItemIndex(this, hItem));
+ } else if (m_bNotifyOwner) {
+ ClientToOuter(pMsg->m_fx, pMsg->m_fy);
+ CFWL_ComboBox* pOuter = static_cast<CFWL_ComboBox*>(m_pOuter);
+ pOuter->GetDelegate()->OnProcessMessage(pMsg);
+ }
+}
+
+void CFWL_ComboList::OnDropListLButtonDown(CFWL_MessageMouse* pMsg) {
+ if (GetRTClient().Contains(pMsg->m_fx, pMsg->m_fy))
+ return;
+
+ CFWL_ComboBox* pOuter = static_cast<CFWL_ComboBox*>(m_pOuter);
+ pOuter->ShowDropList(false);
+}
+
+void CFWL_ComboList::OnDropListLButtonUp(CFWL_MessageMouse* pMsg) {
+ CFWL_ComboBox* pOuter = static_cast<CFWL_ComboBox*>(m_pOuter);
+ if (m_bNotifyOwner) {
+ ClientToOuter(pMsg->m_fx, pMsg->m_fy);
+ pOuter->GetDelegate()->OnProcessMessage(pMsg);
+ return;
+ }
+
+ CFWL_ScrollBar* vertSB = GetVertScrollBar();
+ if (IsShowScrollBar(true) && vertSB) {
+ CFX_RectF rect = vertSB->GetWidgetRect();
+ if (rect.Contains(pMsg->m_fx, pMsg->m_fy))
+ return;
+ }
+ pOuter->ShowDropList(false);
+
+ CFWL_ListItem* hItem = GetItemAtPoint(pMsg->m_fx, pMsg->m_fy);
+ if (hItem)
+ pOuter->ProcessSelChanged(true);
+}
+
+bool CFWL_ComboList::OnDropListKey(CFWL_MessageKey* pKey) {
+ CFWL_ComboBox* pOuter = static_cast<CFWL_ComboBox*>(m_pOuter);
+ bool bPropagate = false;
+ if (pKey->m_dwCmd == FWL_KeyCommand::KeyDown) {
+ uint32_t dwKeyCode = pKey->m_dwKeyCode;
+ switch (dwKeyCode) {
+ case FWL_VKEY_Return:
+ case FWL_VKEY_Escape: {
+ pOuter->ShowDropList(false);
+ return true;
+ }
+ case FWL_VKEY_Up:
+ case FWL_VKEY_Down: {
+ OnDropListKeyDown(pKey);
+ pOuter->ProcessSelChanged(false);
+ return true;
+ }
+ default: {
+ bPropagate = true;
+ break;
+ }
+ }
+ } else if (pKey->m_dwCmd == FWL_KeyCommand::Char) {
+ bPropagate = true;
+ }
+ if (bPropagate) {
+ pKey->m_pDstTarget = m_pOuter;
+ pOuter->GetDelegate()->OnProcessMessage(pKey);
+ return true;
+ }
+ return false;
+}
+
+void CFWL_ComboList::OnDropListKeyDown(CFWL_MessageKey* pKey) {
+ uint32_t dwKeyCode = pKey->m_dwKeyCode;
+ switch (dwKeyCode) {
+ case FWL_VKEY_Up:
+ case FWL_VKEY_Down:
+ case FWL_VKEY_Home:
+ case FWL_VKEY_End: {
+ CFWL_ComboBox* pOuter = static_cast<CFWL_ComboBox*>(m_pOuter);
+ CFWL_ListItem* hItem = GetItem(this, pOuter->GetCurrentSelection());
+ hItem = GetListItem(hItem, dwKeyCode);
+ if (!hItem)
+ break;
+
+ SetSelection(hItem, hItem, true);
+ ScrollToVisible(hItem);
+ CFX_RectF rtInvalidate;
+ rtInvalidate.Set(0, 0, m_pProperties->m_rtWidget.width,
+ m_pProperties->m_rtWidget.height);
+ Repaint(&rtInvalidate);
+ break;
+ }
+ default:
+ break;
+ }
+}