You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1341 lines
39 KiB
1341 lines
39 KiB
// 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 "xfa/fwl/cfwl_edit.h"
|
|
|
|
#include <algorithm>
|
|
#include <memory>
|
|
#include <utility>
|
|
#include <vector>
|
|
|
|
#include "build/build_config.h"
|
|
#include "core/fxge/cfx_renderdevice.h"
|
|
#include "core/fxge/text_char_pos.h"
|
|
#include "third_party/base/ptr_util.h"
|
|
#include "third_party/base/stl_util.h"
|
|
#include "xfa/fde/cfde_textout.h"
|
|
#include "xfa/fgas/font/cfgas_gefont.h"
|
|
#include "xfa/fwl/cfwl_app.h"
|
|
#include "xfa/fwl/cfwl_caret.h"
|
|
#include "xfa/fwl/cfwl_event.h"
|
|
#include "xfa/fwl/cfwl_eventtextwillchange.h"
|
|
#include "xfa/fwl/cfwl_eventvalidate.h"
|
|
#include "xfa/fwl/cfwl_messagekey.h"
|
|
#include "xfa/fwl/cfwl_messagemouse.h"
|
|
#include "xfa/fwl/cfwl_themebackground.h"
|
|
#include "xfa/fwl/cfwl_themepart.h"
|
|
#include "xfa/fwl/cfwl_widgetmgr.h"
|
|
#include "xfa/fwl/fwl_widgetdef.h"
|
|
#include "xfa/fwl/ifwl_themeprovider.h"
|
|
#include "xfa/fwl/theme/cfwl_utils.h"
|
|
#include "xfa/fxgraphics/cxfa_gepath.h"
|
|
|
|
namespace {
|
|
|
|
constexpr int kEditMargin = 3;
|
|
|
|
#if defined(OS_MACOSX)
|
|
constexpr int kEditingModifier = FWL_KEYFLAG_Command;
|
|
#else
|
|
constexpr int kEditingModifier = FWL_KEYFLAG_Ctrl;
|
|
#endif
|
|
|
|
} // namespace
|
|
|
|
CFWL_Edit::CFWL_Edit(const CFWL_App* app,
|
|
std::unique_ptr<CFWL_WidgetProperties> properties,
|
|
CFWL_Widget* pOuter)
|
|
: CFWL_Widget(app, std::move(properties), pOuter),
|
|
m_pEditEngine(pdfium::MakeUnique<CFDE_TextEditEngine>()) {
|
|
m_pEditEngine->SetDelegate(this);
|
|
}
|
|
|
|
CFWL_Edit::~CFWL_Edit() {
|
|
m_pEditEngine->SetDelegate(nullptr);
|
|
if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused)
|
|
HideCaret(nullptr);
|
|
}
|
|
|
|
FWL_Type CFWL_Edit::GetClassID() const {
|
|
return FWL_Type::Edit;
|
|
}
|
|
|
|
CFX_RectF CFWL_Edit::GetWidgetRect() {
|
|
CFX_RectF rect = m_pProperties->m_rtWidget;
|
|
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_OuterScrollbar) {
|
|
IFWL_ThemeProvider* theme = GetAvailableTheme();
|
|
float scrollbarWidth = theme ? theme->GetScrollBarWidth() : 0.0f;
|
|
if (IsShowScrollBar(true)) {
|
|
rect.width += scrollbarWidth;
|
|
rect.width += kEditMargin;
|
|
}
|
|
if (IsShowScrollBar(false)) {
|
|
rect.height += scrollbarWidth;
|
|
rect.height += kEditMargin;
|
|
}
|
|
}
|
|
return rect;
|
|
}
|
|
|
|
CFX_RectF CFWL_Edit::GetAutosizedWidgetRect() {
|
|
CFX_RectF rect;
|
|
|
|
if (m_pEditEngine->GetLength() > 0) {
|
|
CFX_SizeF size = CalcTextSize(
|
|
m_pEditEngine->GetText(), m_pProperties->m_pThemeProvider.Get(),
|
|
!!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_MultiLine));
|
|
rect = CFX_RectF(0, 0, size);
|
|
}
|
|
|
|
InflateWidgetRect(rect);
|
|
return rect;
|
|
}
|
|
|
|
void CFWL_Edit::SetStates(uint32_t dwStates) {
|
|
if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Invisible) ||
|
|
(m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
|
|
HideCaret(nullptr);
|
|
}
|
|
CFWL_Widget::SetStates(dwStates);
|
|
}
|
|
|
|
void CFWL_Edit::Update() {
|
|
if (IsLocked())
|
|
return;
|
|
if (!m_pProperties->m_pThemeProvider)
|
|
m_pProperties->m_pThemeProvider = GetAvailableTheme();
|
|
|
|
Layout();
|
|
if (m_rtClient.IsEmpty())
|
|
return;
|
|
|
|
UpdateEditEngine();
|
|
UpdateVAlignment();
|
|
UpdateScroll();
|
|
InitCaret();
|
|
}
|
|
|
|
FWL_WidgetHit CFWL_Edit::HitTest(const CFX_PointF& point) {
|
|
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_OuterScrollbar) {
|
|
if (IsShowScrollBar(true)) {
|
|
if (m_pVertScrollBar->GetWidgetRect().Contains(point))
|
|
return FWL_WidgetHit::VScrollBar;
|
|
}
|
|
if (IsShowScrollBar(false)) {
|
|
if (m_pHorzScrollBar->GetWidgetRect().Contains(point))
|
|
return FWL_WidgetHit::HScrollBar;
|
|
}
|
|
}
|
|
if (m_rtClient.Contains(point))
|
|
return FWL_WidgetHit::Edit;
|
|
return FWL_WidgetHit::Unknown;
|
|
}
|
|
|
|
void CFWL_Edit::DrawWidget(CXFA_Graphics* pGraphics, const CFX_Matrix& matrix) {
|
|
if (!pGraphics)
|
|
return;
|
|
|
|
if (m_rtClient.IsEmpty())
|
|
return;
|
|
|
|
IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider.Get();
|
|
if (!pTheme)
|
|
return;
|
|
|
|
DrawContent(pGraphics, pTheme, &matrix);
|
|
if (HasBorder())
|
|
DrawBorder(pGraphics, CFWL_Part::Border, pTheme, matrix);
|
|
}
|
|
|
|
void CFWL_Edit::SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) {
|
|
if (!pThemeProvider)
|
|
return;
|
|
if (m_pHorzScrollBar)
|
|
m_pHorzScrollBar->SetThemeProvider(pThemeProvider);
|
|
if (m_pVertScrollBar)
|
|
m_pVertScrollBar->SetThemeProvider(pThemeProvider);
|
|
if (m_pCaret)
|
|
m_pCaret->SetThemeProvider(pThemeProvider);
|
|
m_pProperties->m_pThemeProvider = pThemeProvider;
|
|
}
|
|
|
|
void CFWL_Edit::SetText(const WideString& wsText) {
|
|
m_pEditEngine->Clear();
|
|
m_pEditEngine->Insert(0, wsText,
|
|
CFDE_TextEditEngine::RecordOperation::kInsertRecord);
|
|
}
|
|
|
|
void CFWL_Edit::SetTextSkipNotify(const WideString& wsText) {
|
|
m_pEditEngine->Clear();
|
|
m_pEditEngine->Insert(0, wsText,
|
|
CFDE_TextEditEngine::RecordOperation::kSkipNotify);
|
|
}
|
|
|
|
int32_t CFWL_Edit::GetTextLength() const {
|
|
return m_pEditEngine->GetLength();
|
|
}
|
|
|
|
WideString CFWL_Edit::GetText() const {
|
|
return m_pEditEngine->GetText();
|
|
}
|
|
|
|
void CFWL_Edit::ClearText() {
|
|
m_pEditEngine->Clear();
|
|
}
|
|
|
|
void CFWL_Edit::SelectAll() {
|
|
m_pEditEngine->SelectAll();
|
|
}
|
|
|
|
bool CFWL_Edit::HasSelection() const {
|
|
return m_pEditEngine->HasSelection();
|
|
}
|
|
|
|
std::pair<size_t, size_t> CFWL_Edit::GetSelection() const {
|
|
return m_pEditEngine->GetSelection();
|
|
}
|
|
|
|
void CFWL_Edit::ClearSelection() {
|
|
return m_pEditEngine->ClearSelection();
|
|
}
|
|
|
|
int32_t CFWL_Edit::GetLimit() const {
|
|
return m_nLimit;
|
|
}
|
|
|
|
void CFWL_Edit::SetLimit(int32_t nLimit) {
|
|
m_nLimit = nLimit;
|
|
|
|
if (m_nLimit > 0) {
|
|
m_pEditEngine->SetHasCharacterLimit(true);
|
|
m_pEditEngine->SetCharacterLimit(nLimit);
|
|
} else {
|
|
m_pEditEngine->SetHasCharacterLimit(false);
|
|
}
|
|
}
|
|
|
|
void CFWL_Edit::SetAliasChar(wchar_t wAlias) {
|
|
m_pEditEngine->SetAliasChar(wAlias);
|
|
}
|
|
|
|
Optional<WideString> CFWL_Edit::Copy() {
|
|
if (!m_pEditEngine->HasSelection())
|
|
return {};
|
|
|
|
return {m_pEditEngine->GetSelectedText()};
|
|
}
|
|
|
|
Optional<WideString> CFWL_Edit::Cut() {
|
|
if (!m_pEditEngine->HasSelection())
|
|
return {};
|
|
|
|
WideString cut_text = m_pEditEngine->DeleteSelectedText();
|
|
UpdateCaret();
|
|
return {cut_text};
|
|
}
|
|
|
|
bool CFWL_Edit::Paste(const WideString& wsPaste) {
|
|
if (m_pEditEngine->HasSelection())
|
|
m_pEditEngine->ReplaceSelectedText(wsPaste);
|
|
else
|
|
m_pEditEngine->Insert(m_CursorPosition, wsPaste);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CFWL_Edit::Undo() {
|
|
return CanUndo() && m_pEditEngine->Undo();
|
|
}
|
|
|
|
bool CFWL_Edit::Redo() {
|
|
return CanRedo() && m_pEditEngine->Redo();
|
|
}
|
|
|
|
bool CFWL_Edit::CanUndo() {
|
|
return m_pEditEngine->CanUndo();
|
|
}
|
|
|
|
bool CFWL_Edit::CanRedo() {
|
|
return m_pEditEngine->CanRedo();
|
|
}
|
|
|
|
void CFWL_Edit::SetOuter(CFWL_Widget* pOuter) {
|
|
m_pOuter = pOuter;
|
|
}
|
|
|
|
void CFWL_Edit::NotifyTextFull() {
|
|
CFWL_Event evt(CFWL_Event::Type::TextFull, this);
|
|
DispatchEvent(&evt);
|
|
}
|
|
|
|
void CFWL_Edit::OnCaretChanged() {
|
|
if (m_rtEngine.IsEmpty())
|
|
return;
|
|
if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0)
|
|
return;
|
|
|
|
bool bRepaintContent = UpdateOffset();
|
|
UpdateCaret();
|
|
CFX_RectF rtInvalid;
|
|
bool bRepaintScroll = false;
|
|
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_MultiLine) {
|
|
CFWL_ScrollBar* pScroll = UpdateScroll();
|
|
if (pScroll) {
|
|
rtInvalid = pScroll->GetWidgetRect();
|
|
bRepaintScroll = true;
|
|
}
|
|
}
|
|
if (bRepaintContent || bRepaintScroll) {
|
|
if (bRepaintContent)
|
|
rtInvalid.Union(m_rtEngine);
|
|
RepaintRect(rtInvalid);
|
|
}
|
|
}
|
|
|
|
void CFWL_Edit::OnTextWillChange(CFDE_TextEditEngine::TextChange* change) {
|
|
CFWL_EventTextWillChange event(this);
|
|
event.previous_text = change->previous_text;
|
|
event.change_text = change->text;
|
|
event.selection_start = change->selection_start;
|
|
event.selection_end = change->selection_end;
|
|
event.cancelled = false;
|
|
|
|
DispatchEvent(&event);
|
|
|
|
change->text = event.change_text;
|
|
change->selection_start = event.selection_start;
|
|
change->selection_end = event.selection_end;
|
|
change->cancelled = event.cancelled;
|
|
}
|
|
|
|
void CFWL_Edit::OnTextChanged() {
|
|
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VAlignMask)
|
|
UpdateVAlignment();
|
|
|
|
LayoutScrollBar();
|
|
RepaintRect(GetClientRect());
|
|
}
|
|
|
|
void CFWL_Edit::OnSelChanged() {
|
|
RepaintRect(GetClientRect());
|
|
}
|
|
|
|
bool CFWL_Edit::OnValidate(const WideString& wsText) {
|
|
CFWL_EventValidate event(this);
|
|
event.wsInsert = wsText;
|
|
event.bValidate = true;
|
|
DispatchEvent(&event);
|
|
return event.bValidate;
|
|
}
|
|
|
|
void CFWL_Edit::SetScrollOffset(float fScrollOffset) {
|
|
m_fScrollOffsetY = fScrollOffset;
|
|
}
|
|
|
|
void CFWL_Edit::DrawTextBk(CXFA_Graphics* pGraphics,
|
|
IFWL_ThemeProvider* pTheme,
|
|
const CFX_Matrix* pMatrix) {
|
|
CFWL_ThemeBackground param;
|
|
param.m_pWidget = this;
|
|
param.m_iPart = CFWL_Part::Background;
|
|
param.m_bStaticBackground = false;
|
|
param.m_dwStates = m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReadOnly
|
|
? CFWL_PartState_ReadOnly
|
|
: CFWL_PartState_Normal;
|
|
uint32_t dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled);
|
|
if (dwStates)
|
|
param.m_dwStates = CFWL_PartState_Disabled;
|
|
param.m_pGraphics = pGraphics;
|
|
param.m_matrix = *pMatrix;
|
|
param.m_rtPart = m_rtClient;
|
|
pTheme->DrawBackground(param);
|
|
|
|
if (!IsShowScrollBar(true) || !IsShowScrollBar(false))
|
|
return;
|
|
|
|
CFX_RectF rtScroll = m_pHorzScrollBar->GetWidgetRect();
|
|
|
|
CFX_RectF rtStatic(m_rtClient.right() - rtScroll.height,
|
|
m_rtClient.bottom() - rtScroll.height, rtScroll.height,
|
|
rtScroll.height);
|
|
param.m_bStaticBackground = true;
|
|
param.m_bMaximize = true;
|
|
param.m_rtPart = rtStatic;
|
|
pTheme->DrawBackground(param);
|
|
}
|
|
|
|
void CFWL_Edit::DrawContent(CXFA_Graphics* pGraphics,
|
|
IFWL_ThemeProvider* pTheme,
|
|
const CFX_Matrix* pMatrix) {
|
|
pGraphics->SaveGraphState();
|
|
|
|
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_CombText)
|
|
pGraphics->SaveGraphState();
|
|
|
|
CFX_RectF rtClip = m_rtEngine;
|
|
float fOffSetX = m_rtEngine.left - m_fScrollOffsetX;
|
|
float fOffSetY = m_rtEngine.top - m_fScrollOffsetY + m_fVAlignOffset;
|
|
|
|
CFX_Matrix mt(1, 0, 0, 1, fOffSetX, fOffSetY);
|
|
if (pMatrix) {
|
|
rtClip = pMatrix->TransformRect(rtClip);
|
|
mt.Concat(*pMatrix);
|
|
}
|
|
|
|
bool bShowSel = !!(m_pProperties->m_dwStates & FWL_WGTSTATE_Focused);
|
|
if (bShowSel && m_pEditEngine->HasSelection()) {
|
|
size_t sel_start;
|
|
size_t count;
|
|
std::tie(sel_start, count) = m_pEditEngine->GetSelection();
|
|
std::vector<CFX_RectF> rects =
|
|
m_pEditEngine->GetCharacterRectsInRange(sel_start, count);
|
|
|
|
CXFA_GEPath path;
|
|
for (auto& rect : rects) {
|
|
rect.left += fOffSetX;
|
|
rect.top += fOffSetY;
|
|
path.AddRectangle(rect.left, rect.top, rect.width, rect.height);
|
|
}
|
|
pGraphics->SetClipRect(rtClip);
|
|
|
|
CFWL_ThemeBackground param;
|
|
param.m_pGraphics = pGraphics;
|
|
param.m_matrix = *pMatrix;
|
|
param.m_pWidget = this;
|
|
param.m_iPart = CFWL_Part::Background;
|
|
param.m_pPath = &path;
|
|
pTheme->DrawBackground(param);
|
|
}
|
|
|
|
CFX_RenderDevice* pRenderDev = pGraphics->GetRenderDevice();
|
|
RenderText(pRenderDev, rtClip, mt);
|
|
|
|
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_CombText) {
|
|
pGraphics->RestoreGraphState();
|
|
|
|
CXFA_GEPath path;
|
|
int32_t iLimit = m_nLimit > 0 ? m_nLimit : 1;
|
|
float fStep = m_rtEngine.width / iLimit;
|
|
float fLeft = m_rtEngine.left + 1;
|
|
for (int32_t i = 1; i < iLimit; i++) {
|
|
fLeft += fStep;
|
|
path.AddLine(CFX_PointF(fLeft, m_rtClient.top),
|
|
CFX_PointF(fLeft, m_rtClient.bottom()));
|
|
}
|
|
|
|
CFWL_ThemeBackground param;
|
|
param.m_pGraphics = pGraphics;
|
|
param.m_matrix = *pMatrix;
|
|
param.m_pWidget = this;
|
|
param.m_iPart = CFWL_Part::CombTextLine;
|
|
param.m_pPath = &path;
|
|
pTheme->DrawBackground(param);
|
|
}
|
|
pGraphics->RestoreGraphState();
|
|
}
|
|
|
|
void CFWL_Edit::RenderText(CFX_RenderDevice* pRenderDev,
|
|
const CFX_RectF& clipRect,
|
|
const CFX_Matrix& mt) {
|
|
ASSERT(pRenderDev);
|
|
|
|
RetainPtr<CFGAS_GEFont> font = m_pEditEngine->GetFont();
|
|
if (!font)
|
|
return;
|
|
|
|
pRenderDev->SetClip_Rect(clipRect.GetOuterRect());
|
|
|
|
CFX_RectF rtDocClip = clipRect;
|
|
if (rtDocClip.IsEmpty()) {
|
|
rtDocClip.left = 0;
|
|
rtDocClip.top = 0;
|
|
rtDocClip.width = static_cast<float>(pRenderDev->GetWidth());
|
|
rtDocClip.height = static_cast<float>(pRenderDev->GetHeight());
|
|
}
|
|
rtDocClip = mt.GetInverse().TransformRect(rtDocClip);
|
|
|
|
for (const FDE_TEXTEDITPIECE& info : m_pEditEngine->GetTextPieces()) {
|
|
// If this character is outside the clip, skip it.
|
|
if (!rtDocClip.IntersectWith(info.rtPiece))
|
|
continue;
|
|
|
|
std::vector<TextCharPos> char_pos = m_pEditEngine->GetDisplayPos(info);
|
|
if (char_pos.empty())
|
|
continue;
|
|
|
|
CFDE_TextOut::DrawString(pRenderDev, m_pEditEngine->GetFontColor(), font,
|
|
char_pos, m_pEditEngine->GetFontSize(), mt);
|
|
}
|
|
}
|
|
|
|
void CFWL_Edit::UpdateEditEngine() {
|
|
UpdateEditParams();
|
|
UpdateEditLayout();
|
|
}
|
|
|
|
void CFWL_Edit::UpdateEditParams() {
|
|
m_pEditEngine->SetAvailableWidth(m_rtEngine.width);
|
|
m_pEditEngine->SetCombText(
|
|
!!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_CombText));
|
|
|
|
m_pEditEngine->EnableValidation(
|
|
!!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_Validate));
|
|
m_pEditEngine->EnablePasswordMode(
|
|
!!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_Password));
|
|
|
|
uint32_t alignment = 0;
|
|
switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_HAlignMask) {
|
|
case FWL_STYLEEXT_EDT_HNear: {
|
|
alignment |= CFX_TxtLineAlignment_Left;
|
|
break;
|
|
}
|
|
case FWL_STYLEEXT_EDT_HCenter: {
|
|
alignment |= CFX_TxtLineAlignment_Center;
|
|
break;
|
|
}
|
|
case FWL_STYLEEXT_EDT_HFar: {
|
|
alignment |= CFX_TxtLineAlignment_Right;
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_HAlignModeMask) {
|
|
case FWL_STYLEEXT_EDT_Justified: {
|
|
alignment |= CFX_TxtLineAlignment_Justified;
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
m_pEditEngine->SetAlignment(alignment);
|
|
|
|
bool auto_hscroll =
|
|
!!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_AutoHScroll);
|
|
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_MultiLine) {
|
|
m_pEditEngine->EnableMultiLine(true);
|
|
m_pEditEngine->EnableLineWrap(!auto_hscroll);
|
|
m_pEditEngine->LimitVerticalScroll(
|
|
(m_pProperties->m_dwStyles & FWL_WGTSTYLE_VScroll) == 0 &&
|
|
(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_AutoVScroll) == 0);
|
|
} else {
|
|
m_pEditEngine->EnableMultiLine(false);
|
|
m_pEditEngine->EnableLineWrap(false);
|
|
m_pEditEngine->LimitVerticalScroll(false);
|
|
}
|
|
m_pEditEngine->LimitHorizontalScroll(!auto_hscroll);
|
|
|
|
IFWL_ThemeProvider* theme = GetAvailableTheme();
|
|
CFWL_ThemePart part;
|
|
part.m_pWidget = this;
|
|
|
|
if (!theme) {
|
|
m_fFontSize = FWLTHEME_CAPACITY_FontSize;
|
|
return;
|
|
}
|
|
m_fFontSize = theme->GetFontSize(part);
|
|
|
|
RetainPtr<CFGAS_GEFont> pFont = theme->GetFont(part);
|
|
if (!pFont)
|
|
return;
|
|
|
|
m_pEditEngine->SetFont(pFont);
|
|
m_pEditEngine->SetFontColor(theme->GetTextColor(part));
|
|
m_pEditEngine->SetFontSize(m_fFontSize);
|
|
m_pEditEngine->SetLineSpace(theme->GetLineHeight(part));
|
|
m_pEditEngine->SetTabWidth(m_fFontSize);
|
|
m_pEditEngine->SetVisibleLineCount(m_rtEngine.height /
|
|
theme->GetLineHeight(part));
|
|
}
|
|
|
|
void CFWL_Edit::UpdateEditLayout() {
|
|
m_pEditEngine->Layout();
|
|
}
|
|
|
|
bool CFWL_Edit::UpdateOffset() {
|
|
CFX_RectF rtCaret = m_rtCaret;
|
|
|
|
float fOffSetX = m_rtEngine.left - m_fScrollOffsetX;
|
|
float fOffSetY = m_rtEngine.top - m_fScrollOffsetY + m_fVAlignOffset;
|
|
rtCaret.Offset(fOffSetX, fOffSetY);
|
|
|
|
const CFX_RectF& edit_bounds = m_rtEngine;
|
|
if (edit_bounds.Contains(rtCaret)) {
|
|
CFX_RectF contents_bounds = m_pEditEngine->GetContentsBoundingBox();
|
|
contents_bounds.Offset(fOffSetX, fOffSetY);
|
|
if (contents_bounds.right() < edit_bounds.right() && m_fScrollOffsetX > 0) {
|
|
m_fScrollOffsetX += contents_bounds.right() - edit_bounds.right();
|
|
m_fScrollOffsetX = std::max(m_fScrollOffsetX, 0.0f);
|
|
}
|
|
if (contents_bounds.bottom() < edit_bounds.bottom() &&
|
|
m_fScrollOffsetY > 0) {
|
|
m_fScrollOffsetY += contents_bounds.bottom() - edit_bounds.bottom();
|
|
m_fScrollOffsetY = std::max(m_fScrollOffsetY, 0.0f);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
float offsetX = 0.0;
|
|
float offsetY = 0.0;
|
|
if (rtCaret.left < edit_bounds.left)
|
|
offsetX = rtCaret.left - edit_bounds.left;
|
|
if (rtCaret.right() > edit_bounds.right())
|
|
offsetX = rtCaret.right() - edit_bounds.right();
|
|
if (rtCaret.top < edit_bounds.top)
|
|
offsetY = rtCaret.top - edit_bounds.top;
|
|
if (rtCaret.bottom() > edit_bounds.bottom())
|
|
offsetY = rtCaret.bottom() - edit_bounds.bottom();
|
|
|
|
m_fScrollOffsetX += offsetX;
|
|
m_fScrollOffsetY += offsetY;
|
|
if (m_fFontSize > m_rtEngine.height)
|
|
m_fScrollOffsetY = 0;
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CFWL_Edit::UpdateOffset(CFWL_ScrollBar* pScrollBar, float fPosChanged) {
|
|
if (pScrollBar == m_pHorzScrollBar.get())
|
|
m_fScrollOffsetX += fPosChanged;
|
|
else
|
|
m_fScrollOffsetY += fPosChanged;
|
|
return true;
|
|
}
|
|
|
|
void CFWL_Edit::UpdateVAlignment() {
|
|
float fSpaceAbove = 0.0f;
|
|
float fSpaceBelow = 0.0f;
|
|
IFWL_ThemeProvider* theme = GetAvailableTheme();
|
|
if (theme) {
|
|
CFWL_ThemePart part;
|
|
part.m_pWidget = this;
|
|
|
|
CFX_SizeF pSpace = theme->GetSpaceAboveBelow(part);
|
|
fSpaceAbove = pSpace.width >= 0.1f ? pSpace.width : 0.0f;
|
|
fSpaceBelow = pSpace.height >= 0.1f ? pSpace.height : 0.0f;
|
|
}
|
|
|
|
float fOffsetY = 0.0f;
|
|
CFX_RectF contents_bounds = m_pEditEngine->GetContentsBoundingBox();
|
|
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VCenter) {
|
|
fOffsetY = (m_rtEngine.height - contents_bounds.height) / 2.0f;
|
|
if (fOffsetY < (fSpaceAbove + fSpaceBelow) / 2.0f &&
|
|
fSpaceAbove < fSpaceBelow) {
|
|
return;
|
|
}
|
|
fOffsetY += (fSpaceAbove - fSpaceBelow) / 2.0f;
|
|
} else if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VFar) {
|
|
fOffsetY = (m_rtEngine.height - contents_bounds.height);
|
|
fOffsetY -= fSpaceBelow;
|
|
} else {
|
|
fOffsetY += fSpaceAbove;
|
|
}
|
|
m_fVAlignOffset = std::max(fOffsetY, 0.0f);
|
|
}
|
|
|
|
void CFWL_Edit::UpdateCaret() {
|
|
CFX_RectF rtCaret = m_rtCaret;
|
|
rtCaret.Offset(m_rtEngine.left - m_fScrollOffsetX,
|
|
m_rtEngine.top - m_fScrollOffsetY + m_fVAlignOffset);
|
|
|
|
CFX_RectF rtClient = GetClientRect();
|
|
rtCaret.Intersect(rtClient);
|
|
if (rtCaret.left > rtClient.right()) {
|
|
float right = rtCaret.right();
|
|
rtCaret.left = rtClient.right() - 1;
|
|
rtCaret.width = right - rtCaret.left;
|
|
}
|
|
|
|
if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused && !rtCaret.IsEmpty())
|
|
ShowCaret(&rtCaret);
|
|
else
|
|
HideCaret(&rtCaret);
|
|
}
|
|
|
|
CFWL_ScrollBar* CFWL_Edit::UpdateScroll() {
|
|
bool bShowHorz = m_pHorzScrollBar && m_pHorzScrollBar->IsVisible();
|
|
bool bShowVert = m_pVertScrollBar && m_pVertScrollBar->IsVisible();
|
|
if (!bShowHorz && !bShowVert)
|
|
return nullptr;
|
|
|
|
CFX_RectF contents_bounds = m_pEditEngine->GetContentsBoundingBox();
|
|
CFWL_ScrollBar* pRepaint = nullptr;
|
|
if (bShowHorz) {
|
|
CFX_RectF rtScroll = m_pHorzScrollBar->GetWidgetRect();
|
|
if (rtScroll.width < contents_bounds.width) {
|
|
{
|
|
ScopedUpdateLock update_lock(m_pHorzScrollBar.get());
|
|
float fRange = contents_bounds.width - rtScroll.width;
|
|
m_pHorzScrollBar->SetRange(0.0f, fRange);
|
|
|
|
float fPos = pdfium::clamp(m_fScrollOffsetX, 0.0f, fRange);
|
|
m_pHorzScrollBar->SetPos(fPos);
|
|
m_pHorzScrollBar->SetTrackPos(fPos);
|
|
m_pHorzScrollBar->SetPageSize(rtScroll.width);
|
|
m_pHorzScrollBar->SetStepSize(rtScroll.width / 10);
|
|
m_pHorzScrollBar->RemoveStates(FWL_WGTSTATE_Disabled);
|
|
}
|
|
m_pHorzScrollBar->Update();
|
|
pRepaint = m_pHorzScrollBar.get();
|
|
} else if ((m_pHorzScrollBar->GetStates() & FWL_WGTSTATE_Disabled) == 0) {
|
|
{
|
|
ScopedUpdateLock update_lock(m_pHorzScrollBar.get());
|
|
m_pHorzScrollBar->SetRange(0, -1);
|
|
m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Disabled);
|
|
}
|
|
m_pHorzScrollBar->Update();
|
|
pRepaint = m_pHorzScrollBar.get();
|
|
}
|
|
}
|
|
|
|
if (bShowVert) {
|
|
CFX_RectF rtScroll = m_pVertScrollBar->GetWidgetRect();
|
|
if (rtScroll.height < contents_bounds.height) {
|
|
{
|
|
ScopedUpdateLock update_lock(m_pHorzScrollBar.get());
|
|
float fStep = m_pEditEngine->GetLineSpace();
|
|
float fRange =
|
|
std::max(contents_bounds.height - m_rtEngine.height, fStep);
|
|
|
|
m_pVertScrollBar->SetRange(0.0f, fRange);
|
|
float fPos = pdfium::clamp(m_fScrollOffsetY, 0.0f, fRange);
|
|
m_pVertScrollBar->SetPos(fPos);
|
|
m_pVertScrollBar->SetTrackPos(fPos);
|
|
m_pVertScrollBar->SetPageSize(rtScroll.height);
|
|
m_pVertScrollBar->SetStepSize(fStep);
|
|
m_pVertScrollBar->RemoveStates(FWL_WGTSTATE_Disabled);
|
|
}
|
|
m_pVertScrollBar->Update();
|
|
pRepaint = m_pVertScrollBar.get();
|
|
} else if ((m_pVertScrollBar->GetStates() & FWL_WGTSTATE_Disabled) == 0) {
|
|
{
|
|
ScopedUpdateLock update_lock(m_pHorzScrollBar.get());
|
|
m_pVertScrollBar->SetRange(0, -1);
|
|
m_pVertScrollBar->SetStates(FWL_WGTSTATE_Disabled);
|
|
}
|
|
m_pVertScrollBar->Update();
|
|
pRepaint = m_pVertScrollBar.get();
|
|
}
|
|
}
|
|
return pRepaint;
|
|
}
|
|
|
|
bool CFWL_Edit::IsShowScrollBar(bool bVert) {
|
|
if (!bVert)
|
|
return false;
|
|
bool bShow =
|
|
(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ShowScrollbarFocus)
|
|
? (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) ==
|
|
FWL_WGTSTATE_Focused
|
|
: true;
|
|
return bShow && (m_pProperties->m_dwStyles & FWL_WGTSTYLE_VScroll) &&
|
|
(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_MultiLine) &&
|
|
IsContentHeightOverflow();
|
|
}
|
|
|
|
bool CFWL_Edit::IsContentHeightOverflow() {
|
|
return m_pEditEngine->GetContentsBoundingBox().height >
|
|
m_rtEngine.height + 1.0f;
|
|
}
|
|
|
|
void CFWL_Edit::Layout() {
|
|
m_rtClient = GetClientRect();
|
|
m_rtEngine = m_rtClient;
|
|
IFWL_ThemeProvider* theme = GetAvailableTheme();
|
|
if (!theme)
|
|
return;
|
|
|
|
float fWidth = theme->GetScrollBarWidth();
|
|
CFWL_ThemePart part;
|
|
if (!m_pOuter) {
|
|
part.m_pWidget = this;
|
|
CFX_RectF pUIMargin = theme->GetUIMargin(part);
|
|
m_rtEngine.Deflate(pUIMargin.left, pUIMargin.top, pUIMargin.width,
|
|
pUIMargin.height);
|
|
} else if (m_pOuter->GetClassID() == FWL_Type::DateTimePicker) {
|
|
part.m_pWidget = m_pOuter;
|
|
CFX_RectF pUIMargin = theme->GetUIMargin(part);
|
|
m_rtEngine.Deflate(pUIMargin.left, pUIMargin.top, pUIMargin.width,
|
|
pUIMargin.height);
|
|
}
|
|
|
|
bool bShowVertScrollbar = IsShowScrollBar(true);
|
|
bool bShowHorzScrollbar = IsShowScrollBar(false);
|
|
if (bShowVertScrollbar) {
|
|
InitVerticalScrollBar();
|
|
|
|
CFX_RectF rtVertScr;
|
|
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_OuterScrollbar) {
|
|
rtVertScr = CFX_RectF(m_rtClient.right() + kEditMargin, m_rtClient.top,
|
|
fWidth, m_rtClient.height);
|
|
} else {
|
|
rtVertScr = CFX_RectF(m_rtClient.right() - fWidth, m_rtClient.top, fWidth,
|
|
m_rtClient.height);
|
|
if (bShowHorzScrollbar)
|
|
rtVertScr.height -= fWidth;
|
|
m_rtEngine.width -= fWidth;
|
|
}
|
|
|
|
m_pVertScrollBar->SetWidgetRect(rtVertScr);
|
|
m_pVertScrollBar->RemoveStates(FWL_WGTSTATE_Invisible);
|
|
m_pVertScrollBar->Update();
|
|
} else if (m_pVertScrollBar) {
|
|
m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible);
|
|
}
|
|
|
|
if (bShowHorzScrollbar) {
|
|
InitHorizontalScrollBar();
|
|
|
|
CFX_RectF rtHoriScr;
|
|
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_OuterScrollbar) {
|
|
rtHoriScr = CFX_RectF(m_rtClient.left, m_rtClient.bottom() + kEditMargin,
|
|
m_rtClient.width, fWidth);
|
|
} else {
|
|
rtHoriScr = CFX_RectF(m_rtClient.left, m_rtClient.bottom() - fWidth,
|
|
m_rtClient.width, fWidth);
|
|
if (bShowVertScrollbar)
|
|
rtHoriScr.width -= fWidth;
|
|
m_rtEngine.height -= fWidth;
|
|
}
|
|
m_pHorzScrollBar->SetWidgetRect(rtHoriScr);
|
|
m_pHorzScrollBar->RemoveStates(FWL_WGTSTATE_Invisible);
|
|
m_pHorzScrollBar->Update();
|
|
} else if (m_pHorzScrollBar) {
|
|
m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible);
|
|
}
|
|
}
|
|
|
|
void CFWL_Edit::LayoutScrollBar() {
|
|
if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ShowScrollbarFocus) ==
|
|
0) {
|
|
return;
|
|
}
|
|
|
|
bool bShowVertScrollbar = IsShowScrollBar(true);
|
|
bool bShowHorzScrollbar = IsShowScrollBar(false);
|
|
|
|
IFWL_ThemeProvider* theme = GetAvailableTheme();
|
|
float fWidth = theme ? theme->GetScrollBarWidth() : 0;
|
|
if (bShowVertScrollbar) {
|
|
if (!m_pVertScrollBar) {
|
|
InitVerticalScrollBar();
|
|
CFX_RectF rtVertScr;
|
|
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_OuterScrollbar) {
|
|
rtVertScr = CFX_RectF(m_rtClient.right() + kEditMargin, m_rtClient.top,
|
|
fWidth, m_rtClient.height);
|
|
} else {
|
|
rtVertScr = CFX_RectF(m_rtClient.right() - fWidth, m_rtClient.top,
|
|
fWidth, m_rtClient.height);
|
|
if (bShowHorzScrollbar)
|
|
rtVertScr.height -= fWidth;
|
|
}
|
|
m_pVertScrollBar->SetWidgetRect(rtVertScr);
|
|
m_pVertScrollBar->Update();
|
|
}
|
|
m_pVertScrollBar->RemoveStates(FWL_WGTSTATE_Invisible);
|
|
} else if (m_pVertScrollBar) {
|
|
m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible);
|
|
}
|
|
|
|
if (bShowHorzScrollbar) {
|
|
if (!m_pHorzScrollBar) {
|
|
InitHorizontalScrollBar();
|
|
CFX_RectF rtHoriScr;
|
|
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_OuterScrollbar) {
|
|
rtHoriScr =
|
|
CFX_RectF(m_rtClient.left, m_rtClient.bottom() + kEditMargin,
|
|
m_rtClient.width, fWidth);
|
|
} else {
|
|
rtHoriScr = CFX_RectF(m_rtClient.left, m_rtClient.bottom() - fWidth,
|
|
m_rtClient.width, fWidth);
|
|
if (bShowVertScrollbar)
|
|
rtHoriScr.width -= (fWidth);
|
|
}
|
|
m_pHorzScrollBar->SetWidgetRect(rtHoriScr);
|
|
m_pHorzScrollBar->Update();
|
|
}
|
|
m_pHorzScrollBar->RemoveStates(FWL_WGTSTATE_Invisible);
|
|
} else if (m_pHorzScrollBar) {
|
|
m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible);
|
|
}
|
|
if (bShowVertScrollbar || bShowHorzScrollbar)
|
|
UpdateScroll();
|
|
}
|
|
|
|
CFX_PointF CFWL_Edit::DeviceToEngine(const CFX_PointF& pt) {
|
|
return pt + CFX_PointF(m_fScrollOffsetX - m_rtEngine.left,
|
|
m_fScrollOffsetY - m_rtEngine.top - m_fVAlignOffset);
|
|
}
|
|
|
|
void CFWL_Edit::InitVerticalScrollBar() {
|
|
if (m_pVertScrollBar)
|
|
return;
|
|
|
|
auto prop = pdfium::MakeUnique<CFWL_WidgetProperties>();
|
|
prop->m_dwStyleExes = FWL_STYLEEXT_SCB_Vert;
|
|
prop->m_dwStates = FWL_WGTSTATE_Disabled | FWL_WGTSTATE_Invisible;
|
|
prop->m_pParent = this;
|
|
prop->m_pThemeProvider = m_pProperties->m_pThemeProvider;
|
|
m_pVertScrollBar = pdfium::MakeUnique<CFWL_ScrollBar>(m_pOwnerApp.Get(),
|
|
std::move(prop), this);
|
|
}
|
|
|
|
void CFWL_Edit::InitHorizontalScrollBar() {
|
|
if (m_pHorzScrollBar)
|
|
return;
|
|
|
|
auto prop = pdfium::MakeUnique<CFWL_WidgetProperties>();
|
|
prop->m_dwStyleExes = FWL_STYLEEXT_SCB_Horz;
|
|
prop->m_dwStates = FWL_WGTSTATE_Disabled | FWL_WGTSTATE_Invisible;
|
|
prop->m_pParent = this;
|
|
prop->m_pThemeProvider = m_pProperties->m_pThemeProvider;
|
|
m_pHorzScrollBar = pdfium::MakeUnique<CFWL_ScrollBar>(m_pOwnerApp.Get(),
|
|
std::move(prop), this);
|
|
}
|
|
|
|
void CFWL_Edit::ShowCaret(CFX_RectF* pRect) {
|
|
if (m_pCaret) {
|
|
m_pCaret->ShowCaret();
|
|
if (!pRect->IsEmpty())
|
|
m_pCaret->SetWidgetRect(*pRect);
|
|
RepaintRect(m_rtEngine);
|
|
return;
|
|
}
|
|
|
|
CFWL_Widget* pOuter = this;
|
|
pRect->Offset(m_pProperties->m_rtWidget.left, m_pProperties->m_rtWidget.top);
|
|
while (pOuter->GetOuter()) {
|
|
pOuter = pOuter->GetOuter();
|
|
|
|
CFX_RectF rtOuter = pOuter->GetWidgetRect();
|
|
pRect->Offset(rtOuter.left, rtOuter.top);
|
|
}
|
|
|
|
CFWL_Widget::AdapterIface* pXFAWidget = pOuter->GetAdapterIface();
|
|
if (!pXFAWidget)
|
|
return;
|
|
|
|
CFX_RectF rt = pXFAWidget->GetRotateMatrix().TransformRect(*pRect);
|
|
pXFAWidget->DisplayCaret(true, &rt);
|
|
}
|
|
|
|
void CFWL_Edit::HideCaret(CFX_RectF* pRect) {
|
|
if (m_pCaret) {
|
|
m_pCaret->HideCaret();
|
|
RepaintRect(m_rtEngine);
|
|
return;
|
|
}
|
|
|
|
CFWL_Widget* pOuter = this;
|
|
while (pOuter->GetOuter())
|
|
pOuter = pOuter->GetOuter();
|
|
|
|
CFWL_Widget::AdapterIface* pXFAWidget = pOuter->GetAdapterIface();
|
|
if (!pXFAWidget)
|
|
return;
|
|
|
|
pXFAWidget->DisplayCaret(false, pRect);
|
|
}
|
|
|
|
bool CFWL_Edit::ValidateNumberChar(wchar_t cNum) {
|
|
if (!m_bSetRange)
|
|
return true;
|
|
|
|
WideString wsText = m_pEditEngine->GetText();
|
|
if (wsText.IsEmpty())
|
|
return cNum != L'0';
|
|
|
|
if (HasSelection())
|
|
return wsText.GetInteger() <= m_iMax;
|
|
if (cNum == L'0' && m_CursorPosition == 0)
|
|
return false;
|
|
|
|
int32_t nLen = wsText.GetLength();
|
|
WideString first = wsText.First(m_CursorPosition);
|
|
WideString last = wsText.Last(nLen - m_CursorPosition);
|
|
WideString wsNew = first + cNum + last;
|
|
return wsNew.GetInteger() <= m_iMax;
|
|
}
|
|
|
|
void CFWL_Edit::InitCaret() {
|
|
if (m_pCaret)
|
|
return;
|
|
|
|
m_pCaret = pdfium::MakeUnique<CFWL_Caret>(
|
|
m_pOwnerApp.Get(), pdfium::MakeUnique<CFWL_WidgetProperties>(), this);
|
|
m_pCaret->SetParent(this);
|
|
m_pCaret->SetStates(m_pProperties->m_dwStates);
|
|
UpdateCursorRect();
|
|
}
|
|
|
|
void CFWL_Edit::UpdateCursorRect() {
|
|
int32_t bidi_level;
|
|
if (m_pEditEngine->GetLength() > 0) {
|
|
std::tie(bidi_level, m_rtCaret) =
|
|
m_pEditEngine->GetCharacterInfo(m_CursorPosition);
|
|
} else {
|
|
bidi_level = 0;
|
|
m_rtCaret = CFX_RectF();
|
|
}
|
|
|
|
// TODO(dsinclair): This should handle bidi level ...
|
|
|
|
m_rtCaret.width = 1.0f;
|
|
|
|
// TODO(hnakashima): Handle correctly edits with empty text instead of using
|
|
// these defaults.
|
|
if (m_rtCaret.height == 0)
|
|
m_rtCaret.height = 8.0f;
|
|
}
|
|
|
|
void CFWL_Edit::SetCursorPosition(size_t position) {
|
|
if (m_CursorPosition == position)
|
|
return;
|
|
|
|
m_CursorPosition = std::min(position, m_pEditEngine->GetLength());
|
|
UpdateCursorRect();
|
|
OnCaretChanged();
|
|
}
|
|
|
|
void CFWL_Edit::OnProcessMessage(CFWL_Message* pMessage) {
|
|
if (!pMessage)
|
|
return;
|
|
|
|
switch (pMessage->GetType()) {
|
|
case CFWL_Message::Type::SetFocus:
|
|
OnFocusChanged(pMessage, true);
|
|
break;
|
|
case CFWL_Message::Type::KillFocus:
|
|
OnFocusChanged(pMessage, false);
|
|
break;
|
|
case CFWL_Message::Type::Mouse: {
|
|
CFWL_MessageMouse* pMsg = static_cast<CFWL_MessageMouse*>(pMessage);
|
|
switch (pMsg->m_dwCmd) {
|
|
case FWL_MouseCommand::LeftButtonDown:
|
|
OnLButtonDown(pMsg);
|
|
break;
|
|
case FWL_MouseCommand::LeftButtonUp:
|
|
OnLButtonUp(pMsg);
|
|
break;
|
|
case FWL_MouseCommand::LeftButtonDblClk:
|
|
OnButtonDoubleClick(pMsg);
|
|
break;
|
|
case FWL_MouseCommand::Move:
|
|
OnMouseMove(pMsg);
|
|
break;
|
|
case FWL_MouseCommand::RightButtonDown:
|
|
DoRButtonDown(pMsg);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
case CFWL_Message::Type::Key: {
|
|
CFWL_MessageKey* pKey = static_cast<CFWL_MessageKey*>(pMessage);
|
|
if (pKey->m_dwCmd == FWL_KeyCommand::KeyDown)
|
|
OnKeyDown(pKey);
|
|
else if (pKey->m_dwCmd == FWL_KeyCommand::Char)
|
|
OnChar(pKey);
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
// Dst target could be |this|, continue only if not destroyed by above.
|
|
if (pMessage->GetDstTarget())
|
|
CFWL_Widget::OnProcessMessage(pMessage);
|
|
}
|
|
|
|
void CFWL_Edit::OnProcessEvent(CFWL_Event* pEvent) {
|
|
if (!pEvent || pEvent->GetType() != CFWL_Event::Type::Scroll)
|
|
return;
|
|
|
|
CFWL_Widget* pSrcTarget = pEvent->GetSrcTarget();
|
|
if ((pSrcTarget == m_pVertScrollBar.get() && m_pVertScrollBar) ||
|
|
(pSrcTarget == m_pHorzScrollBar.get() && m_pHorzScrollBar)) {
|
|
CFWL_EventScroll* pScrollEvent = static_cast<CFWL_EventScroll*>(pEvent);
|
|
OnScroll(static_cast<CFWL_ScrollBar*>(pSrcTarget),
|
|
pScrollEvent->m_iScrollCode, pScrollEvent->m_fPos);
|
|
}
|
|
}
|
|
|
|
void CFWL_Edit::OnDrawWidget(CXFA_Graphics* pGraphics,
|
|
const CFX_Matrix& matrix) {
|
|
DrawWidget(pGraphics, matrix);
|
|
}
|
|
|
|
void CFWL_Edit::DoRButtonDown(CFWL_MessageMouse* pMsg) {
|
|
SetCursorPosition(
|
|
m_pEditEngine->GetIndexForPoint(DeviceToEngine(pMsg->m_pos)));
|
|
}
|
|
|
|
void CFWL_Edit::OnFocusChanged(CFWL_Message* pMsg, bool bSet) {
|
|
bool bRepaint = false;
|
|
if (bSet) {
|
|
m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
|
|
|
|
UpdateVAlignment();
|
|
UpdateOffset();
|
|
UpdateCaret();
|
|
} else if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) {
|
|
m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused;
|
|
HideCaret(nullptr);
|
|
|
|
if (HasSelection()) {
|
|
ClearSelection();
|
|
bRepaint = true;
|
|
}
|
|
UpdateOffset();
|
|
}
|
|
|
|
LayoutScrollBar();
|
|
if (!bRepaint)
|
|
return;
|
|
|
|
CFX_RectF rtInvalidate(0, 0, m_pProperties->m_rtWidget.width,
|
|
m_pProperties->m_rtWidget.height);
|
|
RepaintRect(rtInvalidate);
|
|
}
|
|
|
|
void CFWL_Edit::OnLButtonDown(CFWL_MessageMouse* pMsg) {
|
|
if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)
|
|
return;
|
|
|
|
m_bLButtonDown = true;
|
|
SetGrab(true);
|
|
|
|
bool bRepaint = false;
|
|
if (m_pEditEngine->HasSelection()) {
|
|
m_pEditEngine->ClearSelection();
|
|
bRepaint = true;
|
|
}
|
|
|
|
size_t index_at_click =
|
|
m_pEditEngine->GetIndexForPoint(DeviceToEngine(pMsg->m_pos));
|
|
|
|
if (index_at_click != m_CursorPosition &&
|
|
!!(pMsg->m_dwFlags & FWL_KEYFLAG_Shift)) {
|
|
size_t start = std::min(m_CursorPosition, index_at_click);
|
|
size_t end = std::max(m_CursorPosition, index_at_click);
|
|
|
|
m_pEditEngine->SetSelection(start, end - start);
|
|
bRepaint = true;
|
|
} else {
|
|
SetCursorPosition(index_at_click);
|
|
}
|
|
|
|
if (bRepaint)
|
|
RepaintRect(m_rtEngine);
|
|
}
|
|
|
|
void CFWL_Edit::OnLButtonUp(CFWL_MessageMouse* pMsg) {
|
|
m_bLButtonDown = false;
|
|
SetGrab(false);
|
|
}
|
|
|
|
void CFWL_Edit::OnButtonDoubleClick(CFWL_MessageMouse* pMsg) {
|
|
size_t click_idx =
|
|
m_pEditEngine->GetIndexForPoint(DeviceToEngine(pMsg->m_pos));
|
|
size_t start_idx;
|
|
size_t count;
|
|
std::tie(start_idx, count) = m_pEditEngine->BoundsForWordAt(click_idx);
|
|
|
|
m_pEditEngine->SetSelection(start_idx, count);
|
|
m_CursorPosition = start_idx + count;
|
|
RepaintRect(m_rtEngine);
|
|
}
|
|
|
|
void CFWL_Edit::OnMouseMove(CFWL_MessageMouse* pMsg) {
|
|
bool shift = !!(pMsg->m_dwFlags & FWL_KEYFLAG_Shift);
|
|
if (!m_bLButtonDown || !shift)
|
|
return;
|
|
|
|
size_t old_cursor_pos = m_CursorPosition;
|
|
SetCursorPosition(
|
|
m_pEditEngine->GetIndexForPoint(DeviceToEngine(pMsg->m_pos)));
|
|
if (old_cursor_pos == m_CursorPosition)
|
|
return;
|
|
|
|
size_t length = m_pEditEngine->GetLength();
|
|
if (m_CursorPosition > length)
|
|
SetCursorPosition(length);
|
|
|
|
size_t sel_start = 0;
|
|
size_t count = 0;
|
|
if (m_pEditEngine->HasSelection())
|
|
std::tie(sel_start, count) = m_pEditEngine->GetSelection();
|
|
else
|
|
sel_start = old_cursor_pos;
|
|
|
|
size_t start_pos = std::min(sel_start, m_CursorPosition);
|
|
size_t end_pos = std::max(sel_start, m_CursorPosition);
|
|
m_pEditEngine->SetSelection(start_pos, end_pos - start_pos);
|
|
}
|
|
|
|
void CFWL_Edit::OnKeyDown(CFWL_MessageKey* pMsg) {
|
|
bool bShift = !!(pMsg->m_dwFlags & FWL_KEYFLAG_Shift);
|
|
bool bCtrl = !!(pMsg->m_dwFlags & FWL_KEYFLAG_Ctrl);
|
|
|
|
size_t sel_start = m_CursorPosition;
|
|
if (m_pEditEngine->HasSelection()) {
|
|
size_t start_idx;
|
|
size_t count;
|
|
std::tie(start_idx, count) = m_pEditEngine->GetSelection();
|
|
sel_start = start_idx;
|
|
}
|
|
|
|
switch (pMsg->m_dwKeyCode) {
|
|
case XFA_FWL_VKEY_Left:
|
|
SetCursorPosition(m_pEditEngine->GetIndexLeft(m_CursorPosition));
|
|
break;
|
|
case XFA_FWL_VKEY_Right:
|
|
SetCursorPosition(m_pEditEngine->GetIndexRight(m_CursorPosition));
|
|
break;
|
|
case XFA_FWL_VKEY_Up:
|
|
SetCursorPosition(m_pEditEngine->GetIndexUp(m_CursorPosition));
|
|
break;
|
|
case XFA_FWL_VKEY_Down:
|
|
SetCursorPosition(m_pEditEngine->GetIndexDown(m_CursorPosition));
|
|
break;
|
|
case XFA_FWL_VKEY_Home:
|
|
SetCursorPosition(
|
|
bCtrl ? 0 : m_pEditEngine->GetIndexAtStartOfLine(m_CursorPosition));
|
|
break;
|
|
case XFA_FWL_VKEY_End:
|
|
SetCursorPosition(
|
|
bCtrl ? m_pEditEngine->GetLength()
|
|
: m_pEditEngine->GetIndexAtEndOfLine(m_CursorPosition));
|
|
break;
|
|
case XFA_FWL_VKEY_Delete: {
|
|
if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReadOnly) ||
|
|
(m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
|
|
break;
|
|
}
|
|
|
|
m_pEditEngine->Delete(m_CursorPosition, 1);
|
|
UpdateCaret();
|
|
break;
|
|
}
|
|
case XFA_FWL_VKEY_Insert:
|
|
case XFA_FWL_VKEY_F2:
|
|
case XFA_FWL_VKEY_Tab:
|
|
default:
|
|
break;
|
|
}
|
|
|
|
// Update the selection.
|
|
if (bShift && sel_start != m_CursorPosition) {
|
|
m_pEditEngine->SetSelection(std::min(sel_start, m_CursorPosition),
|
|
std::max(sel_start, m_CursorPosition));
|
|
RepaintRect(m_rtEngine);
|
|
}
|
|
}
|
|
|
|
void CFWL_Edit::OnChar(CFWL_MessageKey* pMsg) {
|
|
if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReadOnly) ||
|
|
(m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
|
|
return;
|
|
}
|
|
|
|
wchar_t c = static_cast<wchar_t>(pMsg->m_dwKeyCode);
|
|
switch (c) {
|
|
case L'\b':
|
|
if (m_CursorPosition > 0) {
|
|
SetCursorPosition(m_CursorPosition - 1);
|
|
m_pEditEngine->Delete(m_CursorPosition, 1);
|
|
UpdateCaret();
|
|
}
|
|
break;
|
|
case L'\n':
|
|
case 27: // Esc
|
|
case 127: // Delete
|
|
break;
|
|
case L'\t':
|
|
m_pEditEngine->Insert(m_CursorPosition, L"\t");
|
|
SetCursorPosition(m_CursorPosition + 1);
|
|
break;
|
|
case L'\r':
|
|
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_WantReturn) {
|
|
m_pEditEngine->Insert(m_CursorPosition, L"\n");
|
|
SetCursorPosition(m_CursorPosition + 1);
|
|
}
|
|
break;
|
|
default: {
|
|
if (pMsg->m_dwFlags & kEditingModifier)
|
|
break;
|
|
|
|
m_pEditEngine->Insert(m_CursorPosition, WideString(c));
|
|
SetCursorPosition(m_CursorPosition + 1);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool CFWL_Edit::OnScroll(CFWL_ScrollBar* pScrollBar,
|
|
CFWL_EventScroll::Code dwCode,
|
|
float fPos) {
|
|
CFX_SizeF fs;
|
|
pScrollBar->GetRange(&fs.width, &fs.height);
|
|
float iCurPos = pScrollBar->GetPos();
|
|
float fStep = pScrollBar->GetStepSize();
|
|
switch (dwCode) {
|
|
case CFWL_EventScroll::Code::Min: {
|
|
fPos = fs.width;
|
|
break;
|
|
}
|
|
case CFWL_EventScroll::Code::Max: {
|
|
fPos = fs.height;
|
|
break;
|
|
}
|
|
case CFWL_EventScroll::Code::StepBackward: {
|
|
fPos -= fStep;
|
|
if (fPos < fs.width + fStep / 2) {
|
|
fPos = fs.width;
|
|
}
|
|
break;
|
|
}
|
|
case CFWL_EventScroll::Code::StepForward: {
|
|
fPos += fStep;
|
|
if (fPos > fs.height - fStep / 2) {
|
|
fPos = fs.height;
|
|
}
|
|
break;
|
|
}
|
|
case CFWL_EventScroll::Code::PageBackward: {
|
|
fPos -= pScrollBar->GetPageSize();
|
|
if (fPos < fs.width) {
|
|
fPos = fs.width;
|
|
}
|
|
break;
|
|
}
|
|
case CFWL_EventScroll::Code::PageForward: {
|
|
fPos += pScrollBar->GetPageSize();
|
|
if (fPos > fs.height) {
|
|
fPos = fs.height;
|
|
}
|
|
break;
|
|
}
|
|
case CFWL_EventScroll::Code::Pos:
|
|
case CFWL_EventScroll::Code::TrackPos:
|
|
case CFWL_EventScroll::Code::None:
|
|
break;
|
|
case CFWL_EventScroll::Code::EndScroll:
|
|
return false;
|
|
}
|
|
if (iCurPos == fPos)
|
|
return true;
|
|
|
|
pScrollBar->SetPos(fPos);
|
|
pScrollBar->SetTrackPos(fPos);
|
|
UpdateOffset(pScrollBar, fPos - iCurPos);
|
|
UpdateCaret();
|
|
|
|
CFX_RectF rect = GetWidgetRect();
|
|
RepaintRect(CFX_RectF(0, 0, rect.width + 2, rect.height + 2));
|
|
return true;
|
|
}
|