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Diffstat (limited to 'xfa/src/fwl/src/basewidget/fwl_scrollbarimp.cpp')
-rw-r--r--xfa/src/fwl/src/basewidget/fwl_scrollbarimp.cpp1604
1 files changed, 802 insertions, 802 deletions
diff --git a/xfa/src/fwl/src/basewidget/fwl_scrollbarimp.cpp b/xfa/src/fwl/src/basewidget/fwl_scrollbarimp.cpp
index ed2d22c25c..2243152112 100644
--- a/xfa/src/fwl/src/basewidget/fwl_scrollbarimp.cpp
+++ b/xfa/src/fwl/src/basewidget/fwl_scrollbarimp.cpp
@@ -1,802 +1,802 @@
-// 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/src/foxitlib.h"
-#include "xfa/src/fwl/src/core/include/fwl_targetimp.h"
-#include "xfa/src/fwl/src/core/include/fwl_noteimp.h"
-#include "xfa/src/fwl/src/core/include/fwl_widgetimp.h"
-#include "xfa/src/fwl/src/basewidget/include/fwl_scrollbarimp.h"
-#define FWL_SCROLLBAR_Elapse 500
-#define FWL_SCROLLBAR_MinThumb 5
-
-// static
-IFWL_ScrollBar* IFWL_ScrollBar::Create(
- const CFWL_WidgetImpProperties& properties,
- IFWL_Widget* pOuter) {
- IFWL_ScrollBar* pScrollBar = new IFWL_ScrollBar;
- CFWL_ScrollBarImp* pScrollBarImpl = new CFWL_ScrollBarImp(properties, pOuter);
- pScrollBar->SetImpl(pScrollBarImpl);
- pScrollBarImpl->SetInterface(pScrollBar);
- return pScrollBar;
-}
-IFWL_ScrollBar::IFWL_ScrollBar() {}
-FX_BOOL IFWL_ScrollBar::IsVertical() {
- return static_cast<CFWL_ScrollBarImp*>(GetImpl())->IsVertical();
-}
-FWL_ERR IFWL_ScrollBar::GetRange(FX_FLOAT& fMin, FX_FLOAT& fMax) {
- return static_cast<CFWL_ScrollBarImp*>(GetImpl())->GetRange(fMin, fMax);
-}
-FWL_ERR IFWL_ScrollBar::SetRange(FX_FLOAT fMin, FX_FLOAT fMax) {
- return static_cast<CFWL_ScrollBarImp*>(GetImpl())->SetRange(fMin, fMax);
-}
-FX_FLOAT IFWL_ScrollBar::GetPageSize() {
- return static_cast<CFWL_ScrollBarImp*>(GetImpl())->GetPageSize();
-}
-FWL_ERR IFWL_ScrollBar::SetPageSize(FX_FLOAT fPageSize) {
- return static_cast<CFWL_ScrollBarImp*>(GetImpl())->SetPageSize(fPageSize);
-}
-FX_FLOAT IFWL_ScrollBar::GetStepSize() {
- return static_cast<CFWL_ScrollBarImp*>(GetImpl())->GetStepSize();
-}
-FWL_ERR IFWL_ScrollBar::SetStepSize(FX_FLOAT fStepSize) {
- return static_cast<CFWL_ScrollBarImp*>(GetImpl())->SetStepSize(fStepSize);
-}
-FX_FLOAT IFWL_ScrollBar::GetPos() {
- return static_cast<CFWL_ScrollBarImp*>(GetImpl())->GetPos();
-}
-FWL_ERR IFWL_ScrollBar::SetPos(FX_FLOAT fPos) {
- return static_cast<CFWL_ScrollBarImp*>(GetImpl())->SetPos(fPos);
-}
-FX_FLOAT IFWL_ScrollBar::GetTrackPos() {
- return static_cast<CFWL_ScrollBarImp*>(GetImpl())->GetTrackPos();
-}
-FWL_ERR IFWL_ScrollBar::SetTrackPos(FX_FLOAT fTrackPos) {
- return static_cast<CFWL_ScrollBarImp*>(GetImpl())->SetTrackPos(fTrackPos);
-}
-FX_BOOL IFWL_ScrollBar::DoScroll(FX_DWORD dwCode, FX_FLOAT fPos) {
- return static_cast<CFWL_ScrollBarImp*>(GetImpl())->DoScroll(dwCode, fPos);
-}
-CFWL_ScrollBarImp::CFWL_ScrollBarImp(const CFWL_WidgetImpProperties& properties,
- IFWL_Widget* pOuter)
- : CFWL_WidgetImp(properties, pOuter),
- m_hTimer(nullptr),
- m_fRangeMin(0),
- m_fRangeMax(-1),
- m_fPageSize(0),
- m_fStepSize(0),
- m_fPos(0),
- m_fTrackPos(0),
- m_iMinButtonState(FWL_PARTSTATE_SCB_Normal),
- m_iMaxButtonState(FWL_PARTSTATE_SCB_Normal),
- m_iThumbButtonState(FWL_PARTSTATE_SCB_Normal),
- m_iMinTrackState(FWL_PARTSTATE_SCB_Normal),
- m_iMaxTrackState(FWL_PARTSTATE_SCB_Normal),
- m_fLastTrackPos(0),
- m_cpTrackPointX(0),
- m_cpTrackPointY(0),
- m_iMouseWheel(0),
- m_bTrackMouseLeave(FALSE),
- m_bMouseHover(FALSE),
- m_bMouseDown(FALSE),
- m_bRepaintThumb(FALSE),
- m_fButtonLen(0),
- m_bMinSize(FALSE),
- m_bCustomLayout(FALSE),
- m_fMinThumb(FWL_SCROLLBAR_MinThumb) {
- m_rtClient.Reset();
- m_rtThumb.Reset();
- m_rtMinBtn.Reset();
- m_rtMaxBtn.Reset();
- m_rtMinTrack.Reset();
- m_rtMaxTrack.Reset();
-}
-CFWL_ScrollBarImp::~CFWL_ScrollBarImp() {}
-FWL_ERR CFWL_ScrollBarImp::GetClassName(CFX_WideString& wsClass) const {
- wsClass = FWL_CLASS_ScrollBar;
- return FWL_ERR_Succeeded;
-}
-FX_DWORD CFWL_ScrollBarImp::GetClassID() const {
- return FWL_CLASSHASH_ScrollBar;
-}
-FWL_ERR CFWL_ScrollBarImp::Initialize() {
- if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded)
- return FWL_ERR_Indefinite;
- m_pDelegate = new CFWL_ScrollBarImpDelegate(this);
- return FWL_ERR_Succeeded;
-}
-FWL_ERR CFWL_ScrollBarImp::Finalize() {
- delete m_pDelegate;
- m_pDelegate = nullptr;
- return CFWL_WidgetImp::Finalize();
-}
-FWL_ERR CFWL_ScrollBarImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
- if (bAutoSize) {
- rect.Set(0, 0, 0, 0);
- FX_FLOAT* pfMinWidth = static_cast<FX_FLOAT*>(
- GetThemeCapacity(FWL_WGTCAPACITY_ScrollBarWidth));
- if (!pfMinWidth)
- return FWL_ERR_Indefinite;
- if (IsVertical()) {
- rect.Set(0, 0, (*pfMinWidth), (*pfMinWidth) * 3);
- } else {
- rect.Set(0, 0, (*pfMinWidth) * 3, (*pfMinWidth));
- }
- CFWL_WidgetImp::GetWidgetRect(rect, TRUE);
- } else {
- rect = m_pProperties->m_rtWidget;
- }
- return FWL_ERR_Succeeded;
-}
-FWL_ERR CFWL_ScrollBarImp::Update() {
- if (IsLocked()) {
- return FWL_ERR_Indefinite;
- }
- if (!m_pProperties->m_pThemeProvider) {
- m_pProperties->m_pThemeProvider = GetAvailableTheme();
- }
- Layout();
- return FWL_ERR_Succeeded;
-}
-FWL_ERR CFWL_ScrollBarImp::DrawWidget(CFX_Graphics* pGraphics,
- const CFX_Matrix* pMatrix) {
- if (!pGraphics)
- return FWL_ERR_Indefinite;
- if (!m_pProperties->m_pThemeProvider)
- return FWL_ERR_Indefinite;
- IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
- if (HasBorder()) {
- DrawBorder(pGraphics, FWL_PART_SCB_Border, pTheme, pMatrix);
- }
- if (HasEdge()) {
- DrawEdge(pGraphics, FWL_PART_SCB_Edge, pTheme, pMatrix);
- }
- DrawTrack(pGraphics, pTheme, TRUE, pMatrix);
- DrawTrack(pGraphics, pTheme, FALSE, pMatrix);
- DrawArrowBtn(pGraphics, pTheme, TRUE, pMatrix);
- DrawArrowBtn(pGraphics, pTheme, FALSE, pMatrix);
- DrawThumb(pGraphics, pTheme, pMatrix);
- return FWL_ERR_Succeeded;
-}
-inline FX_BOOL CFWL_ScrollBarImp::IsVertical() {
- return m_pProperties->m_dwStyleExes & FWL_STYLEEXT_SCB_Vert;
-}
-FWL_ERR CFWL_ScrollBarImp::GetRange(FX_FLOAT& fMin, FX_FLOAT& fMax) {
- fMin = m_fRangeMin;
- fMax = m_fRangeMax;
- return FWL_ERR_Succeeded;
-}
-FWL_ERR CFWL_ScrollBarImp::SetRange(FX_FLOAT fMin, FX_FLOAT fMax) {
- m_fRangeMin = fMin;
- m_fRangeMax = fMax;
- return FWL_ERR_Succeeded;
-}
-FX_FLOAT CFWL_ScrollBarImp::GetPageSize() {
- return m_fPageSize;
-}
-FWL_ERR CFWL_ScrollBarImp::SetPageSize(FX_FLOAT fPageSize) {
- m_fPageSize = fPageSize;
- return FWL_ERR_Succeeded;
-}
-FX_FLOAT CFWL_ScrollBarImp::GetStepSize() {
- return m_fStepSize;
-}
-FWL_ERR CFWL_ScrollBarImp::SetStepSize(FX_FLOAT fStepSize) {
- m_fStepSize = fStepSize;
- return FWL_ERR_Succeeded;
-}
-FX_FLOAT CFWL_ScrollBarImp::GetPos() {
- return m_fPos;
-}
-FWL_ERR CFWL_ScrollBarImp::SetPos(FX_FLOAT fPos) {
- m_fPos = fPos;
- return FWL_ERR_Succeeded;
-}
-FX_FLOAT CFWL_ScrollBarImp::GetTrackPos() {
- return m_fTrackPos;
-}
-FWL_ERR CFWL_ScrollBarImp::SetTrackPos(FX_FLOAT fTrackPos) {
- m_fTrackPos = fTrackPos;
- CalcThumbButtonRect(m_rtThumb);
- CalcMinTrackRect(m_rtMinTrack);
- CalcMaxTrackRect(m_rtMaxTrack);
- return FWL_ERR_Succeeded;
-}
-FX_BOOL CFWL_ScrollBarImp::DoScroll(FX_DWORD dwCode, FX_FLOAT fPos) {
- switch (dwCode) {
- case FWL_SCBCODE_Min:
- case FWL_SCBCODE_Max:
- case FWL_SCBCODE_PageBackward:
- case FWL_SCBCODE_PageForward:
- case FWL_SCBCODE_StepBackward:
- break;
- case FWL_SCBCODE_StepForward:
- break;
- case FWL_SCBCODE_Pos:
- case FWL_SCBCODE_TrackPos:
- case FWL_SCBCODE_EndScroll:
- break;
- default: { return FALSE; }
- }
- return OnScroll(dwCode, fPos);
-}
-int32_t CFWL_ScrollBarImp::Run(FWL_HTIMER hTimer) {
- if (m_hTimer) {
- FWL_StopTimer(m_hTimer);
- }
- if (!SendEvent()) {
- m_hTimer = FWL_StartTimer(this, 0);
- }
- return 1;
-}
-FWL_ERR CFWL_ScrollBarImp::SetOuter(IFWL_Widget* pOuter) {
- m_pOuter = pOuter;
- return FWL_ERR_Succeeded;
-}
-void CFWL_ScrollBarImp::DrawTrack(CFX_Graphics* pGraphics,
- IFWL_ThemeProvider* pTheme,
- FX_BOOL bLower,
- const CFX_Matrix* pMatrix) {
- CFWL_ThemeBackground param;
- param.m_pWidget = m_pInterface;
- param.m_iPart = bLower ? FWL_PART_SCB_LowerTrack : FWL_PART_SCB_UpperTrack;
- param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)
- ? FWL_PARTSTATE_SCB_Disabled
- : (bLower ? m_iMinTrackState : m_iMaxTrackState);
- param.m_pGraphics = pGraphics;
- param.m_matrix.Concat(*pMatrix);
- param.m_rtPart = bLower ? m_rtMinTrack : m_rtMaxTrack;
- pTheme->DrawBackground(&param);
-}
-void CFWL_ScrollBarImp::DrawArrowBtn(CFX_Graphics* pGraphics,
- IFWL_ThemeProvider* pTheme,
- FX_BOOL bMinBtn,
- const CFX_Matrix* pMatrix) {
- CFWL_ThemeBackground param;
- param.m_pWidget = m_pInterface;
- param.m_iPart = bMinBtn ? FWL_PART_SCB_ForeArrow : FWL_PART_SCB_BackArrow;
- param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)
- ? FWL_PARTSTATE_SCB_Disabled
- : (bMinBtn ? m_iMinButtonState : m_iMaxButtonState);
- param.m_pGraphics = pGraphics;
- param.m_matrix.Concat(*pMatrix);
- param.m_rtPart = bMinBtn ? m_rtMinBtn : m_rtMaxBtn;
- if (param.m_rtPart.height > 0 && param.m_rtPart.width > 0) {
- pTheme->DrawBackground(&param);
- }
-}
-void CFWL_ScrollBarImp::DrawThumb(CFX_Graphics* pGraphics,
- IFWL_ThemeProvider* pTheme,
- const CFX_Matrix* pMatrix) {
- if (!IsEnabled()) {
- }
- CFWL_ThemeBackground param;
- param.m_pWidget = m_pInterface;
- param.m_iPart = FWL_PART_SCB_Thumb;
- param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)
- ? FWL_PARTSTATE_SCB_Disabled
- : m_iThumbButtonState;
- param.m_pGraphics = pGraphics;
- param.m_matrix.Concat(*pMatrix);
- param.m_rtPart = m_rtThumb;
- pTheme->DrawBackground(&param);
-}
-void CFWL_ScrollBarImp::Layout() {
- IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
- CFWL_ThemePart part;
- part.m_pWidget = m_pInterface;
- m_fMinThumb = *static_cast<FX_FLOAT*>(
- pTheme->GetCapacity(&part, FWL_CAPACITY_SCB_Size));
- m_bCustomLayout = pTheme->IsCustomizedLayout(m_pInterface);
- GetClientRect(m_rtClient);
- CalcButtonLen();
- CalcMinButtonRect(m_rtMinBtn);
- CalcMaxButtonRect(m_rtMaxBtn);
- CalcThumbButtonRect(m_rtThumb);
- CalcMinTrackRect(m_rtMinTrack);
- CalcMaxTrackRect(m_rtMaxTrack);
-}
-void CFWL_ScrollBarImp::CalcButtonLen() {
- m_fButtonLen = IsVertical() ? m_rtClient.width : m_rtClient.height;
- FX_FLOAT fLength = IsVertical() ? m_rtClient.height : m_rtClient.width;
- if (fLength < m_fButtonLen * 2) {
- m_fButtonLen = fLength / 2;
- m_bMinSize = TRUE;
- } else {
- m_bMinSize = FALSE;
- }
-}
-void CFWL_ScrollBarImp::CalcMinButtonRect(CFX_RectF& rect) {
- if (m_bCustomLayout) {
- IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
- CFWL_ThemePart pPart;
- pPart.m_rtPart = m_rtMinBtn;
- pPart.m_pWidget = m_pInterface;
- pPart.m_iPart = FWL_PART_SCB_ForeArrow;
- pPart.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)
- ? FWL_PARTSTATE_SCB_Disabled
- : m_iMinButtonState;
- pTheme->GetPartRect(&pPart, rect);
- } else {
- rect.left = m_rtClient.left;
- rect.top = m_rtClient.top;
- rect.width = IsVertical() ? m_rtClient.width : m_fButtonLen;
- rect.height = IsVertical() ? m_fButtonLen : m_rtClient.height;
- }
-}
-void CFWL_ScrollBarImp::CalcMaxButtonRect(CFX_RectF& rect) {
- if (m_bCustomLayout) {
- IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
- CFWL_ThemePart pPart;
- pPart.m_rtPart = m_rtMaxBtn;
- pPart.m_pWidget = m_pInterface;
- pPart.m_iPart = FWL_PART_SCB_BackArrow;
- pPart.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)
- ? FWL_PARTSTATE_SCB_Disabled
- : m_iMaxButtonState;
- pTheme->GetPartRect(&pPart, rect);
- } else {
- rect.left =
- IsVertical() ? m_rtClient.left : m_rtClient.right() - m_fButtonLen;
- rect.top =
- IsVertical() ? m_rtClient.bottom() - m_fButtonLen : m_rtClient.top;
- rect.width = IsVertical() ? m_rtClient.width : m_fButtonLen;
- rect.height = IsVertical() ? m_fButtonLen : m_rtClient.height;
- }
-}
-void CFWL_ScrollBarImp::CalcThumbButtonRect(CFX_RectF& rect) {
- if (!IsEnabled()) {
- m_rtThumb.Reset();
- return;
- }
- if (m_bMinSize) {
- m_rtThumb.Empty();
- return;
- }
- FX_FLOAT fRange = m_fRangeMax - m_fRangeMin;
- memset(&rect, 0, sizeof(CFX_Rect));
- if (fRange < 0) {
- if (IsVertical()) {
- rect.Set(m_rtClient.left, m_rtMaxBtn.bottom(), m_rtClient.width, 0);
- } else {
- rect.Set(m_rtMaxBtn.right(), m_rtClient.top, 0, m_rtClient.height);
- }
- return;
- }
- CFX_RectF rtClient = m_rtClient;
- FX_FLOAT fLength = IsVertical() ? rtClient.height : rtClient.width;
- FX_FLOAT fSize = m_fButtonLen;
- if (m_bCustomLayout) {
- if (IsVertical()) {
- fLength = fLength - m_rtMinBtn.height - m_rtMaxBtn.height;
- if (fLength < m_rtMinBtn.height || fLength < m_rtMaxBtn.height) {
- fLength = 0.0f;
- }
- } else {
- fLength = fLength - m_rtMinBtn.width - m_rtMaxBtn.width;
- if (fLength < m_rtMinBtn.width || fLength < m_rtMaxBtn.width) {
- fLength = 0.0f;
- }
- }
- } else {
- fLength -= fSize * 2.0f;
- if (fLength < fSize) {
- fLength = 0.0f;
- }
- }
- FX_FLOAT fThumbSize = fLength * fLength / (fRange + fLength);
- if (fThumbSize < m_fMinThumb) {
- fThumbSize = m_fMinThumb;
- }
- FX_FLOAT fDiff = fLength - fThumbSize;
- if (fDiff < 0.0f) {
- fDiff = 0.0f;
- }
- FX_FLOAT fTrackPos = m_fTrackPos;
- if (fTrackPos > m_fRangeMax) {
- fTrackPos = m_fRangeMax;
- }
- if (fTrackPos < m_fRangeMin) {
- fTrackPos = m_fRangeMin;
- }
- if (!fRange)
- return;
- if (m_bCustomLayout) {
- FX_FLOAT iPos = fDiff * (fTrackPos - m_fRangeMin) / fRange;
- rect.left = rtClient.left;
- if (!IsVertical()) {
- if ((m_rtMinBtn.right() == m_rtMaxBtn.left && m_rtMinBtn.width > 0 &&
- m_rtMaxBtn.width > 0) ||
- (0 == m_rtMinBtn.width && 0 == m_rtMaxBtn.width)) {
- rect.left += iPos;
- } else {
- rect.left += m_rtMinBtn.right() + iPos;
- }
- }
- rect.top = rtClient.top;
- if (IsVertical()) {
- if ((m_rtMinBtn.bottom() == m_rtMaxBtn.top && m_rtMinBtn.height > 0 &&
- m_rtMaxBtn.height > 0) ||
- (0 == m_rtMinBtn.height && 0 == m_rtMaxBtn.height)) {
- rect.top += iPos;
- } else {
- rect.top += m_rtMinBtn.bottom() + iPos;
- }
- }
- rect.width = IsVertical() ? rtClient.width : fThumbSize;
- rect.height = IsVertical() ? fThumbSize : rtClient.height;
- } else {
- FX_FLOAT iPos = fSize + fDiff * (fTrackPos - m_fRangeMin) / fRange;
- rect.left = rtClient.left;
- if (!IsVertical()) {
- rect.left += iPos;
- }
- rect.top = rtClient.top;
- if (IsVertical()) {
- rect.top += iPos;
- }
- rect.width = IsVertical() ? rtClient.width : fThumbSize;
- rect.height = IsVertical() ? fThumbSize : rtClient.height;
- }
-}
-void CFWL_ScrollBarImp::CalcMinTrackRect(CFX_RectF& rect) {
- if (m_bMinSize) {
- rect.Empty();
- return;
- }
- FX_FLOAT fBottom = m_rtThumb.bottom();
- FX_FLOAT fRight = m_rtThumb.right();
- FX_FLOAT ix = (m_rtThumb.left + fRight) / 2;
- FX_FLOAT iy = (m_rtThumb.top + fBottom) / 2;
- rect.left = m_rtClient.left;
- rect.top = m_rtClient.top;
- FX_BOOL bVertical = IsVertical();
- rect.width = bVertical ? m_rtClient.width : ix;
- rect.height = bVertical ? iy : m_rtClient.height;
- if (m_bCustomLayout) {
- if (bVertical) {
- if (0 == m_rtMinBtn.height && 0 == m_rtMaxBtn.height) {
- rect.top = m_rtClient.top;
- } else if (m_rtMinBtn.top < m_rtThumb.top) {
- rect.top = m_rtMinBtn.bottom();
- rect.height -= (m_rtMinBtn.bottom() - m_rtClient.top);
- }
- } else {
- if (0 == m_rtMinBtn.width && 0 == m_rtMaxBtn.width) {
- rect.left = m_rtClient.left;
- } else if (m_rtMinBtn.left < m_rtThumb.left) {
- rect.left = m_rtMinBtn.right();
- rect.width -= (m_rtMinBtn.right() - m_rtClient.left);
- }
- }
- }
-}
-void CFWL_ScrollBarImp::CalcMaxTrackRect(CFX_RectF& rect) {
- if (m_bMinSize) {
- rect.Empty();
- return;
- }
- FX_FLOAT ix = (m_rtThumb.left + m_rtThumb.right()) / 2;
- FX_FLOAT iy = (m_rtThumb.top + m_rtThumb.bottom()) / 2;
- FX_BOOL bVertical = IsVertical();
- rect.left = bVertical ? m_rtClient.left : ix;
- rect.top = bVertical ? iy : m_rtClient.top;
- rect.width = bVertical ? m_rtClient.width : m_rtClient.right() - ix;
- rect.height = bVertical ? m_rtClient.bottom() - iy : m_rtClient.height;
- if (m_bCustomLayout) {
- if (bVertical) {
- if (m_rtMinBtn.top > m_rtThumb.top && m_rtMinBtn.height > 0 &&
- m_rtMaxBtn.height > 0) {
- rect.height -= (m_rtClient.bottom() - m_rtMinBtn.top);
- } else if (m_rtMinBtn.height > 0 && m_rtMaxBtn.height > 0) {
- rect.height -= (m_rtClient.bottom() - m_rtMaxBtn.top);
- }
- } else {
- if (m_rtMinBtn.left > m_rtThumb.left && m_rtMinBtn.width > 0 &&
- m_rtMaxBtn.width > 0) {
- rect.width -= (m_rtClient.right() - m_rtMinBtn.left);
- } else if (m_rtMinBtn.width > 0 && m_rtMaxBtn.width > 0) {
- rect.width -= (m_rtClient.right() - m_rtMaxBtn.left);
- }
- }
- }
-}
-FX_FLOAT CFWL_ScrollBarImp::GetTrackPointPos(FX_FLOAT fx, FX_FLOAT fy) {
- FX_FLOAT fDiffX = fx - m_cpTrackPointX;
- FX_FLOAT fDiffY = fy - m_cpTrackPointY;
- FX_FLOAT fRange = m_fRangeMax - m_fRangeMin;
- FX_FLOAT fPos;
- if (m_bCustomLayout) {
- if (IsVertical()) {
- if (0 == m_rtMinBtn.height && 0 == m_rtMaxBtn.height) {
- fPos = fRange * fDiffY / (m_rtClient.height - m_rtThumb.height);
- } else if (m_rtMinBtn.bottom() == m_rtMaxBtn.top) {
- fPos = fRange * fDiffY /
- (m_rtMinBtn.top - m_rtClient.top - m_rtThumb.height);
- } else {
- fPos = fRange * fDiffY /
- (m_rtMaxBtn.top - m_rtMinBtn.bottom() - m_rtThumb.height);
- }
- } else {
- if (0 == m_rtMinBtn.width && 0 == m_rtMaxBtn.width) {
- fPos = fRange * fDiffX / (m_rtClient.width - m_rtThumb.width);
- } else if (m_rtMinBtn.right() == m_rtMaxBtn.left) {
- fPos = fRange * fDiffX /
- (m_rtMinBtn.left - m_rtClient.left - m_rtThumb.width);
- } else {
- fPos = fRange * fDiffX /
- (m_rtMaxBtn.left - m_rtMinBtn.right() - m_rtThumb.width);
- }
- }
- } else {
- if (IsVertical()) {
- fPos = fRange * fDiffY /
- (m_rtMaxBtn.top - m_rtMinBtn.bottom() - m_rtThumb.height);
- } else {
- fPos = fRange * fDiffX /
- (m_rtMaxBtn.left - m_rtMinBtn.right() - m_rtThumb.width);
- }
- }
- fPos += m_fLastTrackPos;
- if (fPos < m_fRangeMin) {
- fPos = m_fRangeMin;
- }
- if (fPos > m_fRangeMax) {
- fPos = m_fRangeMax;
- }
- return fPos;
-}
-void CFWL_ScrollBarImp::GetTrackRect(CFX_RectF& rect, FX_BOOL bLower) {
- FX_BOOL bDisabled = m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled;
- if (bDisabled || m_bCustomLayout) {
- rect = bLower ? m_rtMinTrack : m_rtMaxTrack;
- } else {
- FX_FLOAT fW = m_rtThumb.width / 2;
- FX_FLOAT fH = m_rtThumb.height / 2;
- FX_BOOL bVert = IsVertical();
- if (bLower) {
- if (bVert) {
- FX_FLOAT fMinTrackHeight = m_rtMinTrack.height - fH - m_rtMinBtn.height;
- fMinTrackHeight = (fMinTrackHeight >= 0.0f) ? fMinTrackHeight : 0.0f;
- rect.Set(m_rtMinTrack.left, m_rtMinTrack.top + m_rtMinBtn.height,
- m_rtMinTrack.width, fMinTrackHeight);
- } else {
- FX_FLOAT fMinTrackWidth =
- m_rtMinTrack.width - fW - m_rtMinBtn.width + 2;
- fMinTrackWidth = (fMinTrackWidth >= 0.0f) ? fMinTrackWidth : 0.0f;
- rect.Set(m_rtMinTrack.left + m_rtMinBtn.width - 1, m_rtMinTrack.top,
- fMinTrackWidth, m_rtMinTrack.height);
- }
- } else {
- if (bVert) {
- FX_FLOAT fMaxTrackHeight = m_rtMaxTrack.height - fH - m_rtMaxBtn.height;
- fMaxTrackHeight = (fMaxTrackHeight >= 0.0f) ? fMaxTrackHeight : 0.0f;
- rect.Set(m_rtMaxTrack.left, m_rtMaxTrack.top + fH, m_rtMaxTrack.width,
- fMaxTrackHeight);
- } else {
- FX_FLOAT fMaxTrackWidth =
- m_rtMaxTrack.width - fW - m_rtMaxBtn.width + 2;
- fMaxTrackWidth = (fMaxTrackWidth >= 0.0f) ? fMaxTrackWidth : 0.0f;
- rect.Set(m_rtMaxTrack.left + fW, m_rtMaxTrack.top, fMaxTrackWidth,
- m_rtMaxTrack.height);
- }
- }
- }
-}
-FX_BOOL CFWL_ScrollBarImp::SendEvent() {
- if (m_iMinButtonState == FWL_PARTSTATE_SCB_Pressed) {
- DoScroll(FWL_SCBCODE_StepBackward, m_fTrackPos);
- return FALSE;
- }
- if (m_iMaxButtonState == FWL_PARTSTATE_SCB_Pressed) {
- DoScroll(FWL_SCBCODE_StepForward, m_fTrackPos);
- return FALSE;
- }
- if (m_iMinTrackState == FWL_PARTSTATE_SCB_Pressed) {
- DoScroll(FWL_SCBCODE_PageBackward, m_fTrackPos);
- return m_rtThumb.Contains(m_cpTrackPointX, m_cpTrackPointY);
- }
- if (m_iMaxTrackState == FWL_PARTSTATE_SCB_Pressed) {
- DoScroll(FWL_SCBCODE_PageForward, m_fTrackPos);
- return m_rtThumb.Contains(m_cpTrackPointX, m_cpTrackPointY);
- }
- if (m_iMouseWheel) {
- FX_WORD dwCode =
- m_iMouseWheel < 0 ? FWL_SCBCODE_StepForward : FWL_SCBCODE_StepBackward;
- DoScroll(dwCode, m_fTrackPos);
- }
- return TRUE;
-}
-FX_BOOL CFWL_ScrollBarImp::OnScroll(FX_DWORD dwCode, FX_FLOAT fPos) {
- FX_BOOL bRet = TRUE;
- CFWL_EvtScroll ev;
- ev.m_iScrollCode = dwCode;
- ev.m_pSrcTarget = m_pInterface;
- ev.m_fPos = fPos;
- ev.m_pRet = &bRet;
- DispatchEvent(&ev);
- return bRet;
-}
-CFWL_ScrollBarImpDelegate::CFWL_ScrollBarImpDelegate(CFWL_ScrollBarImp* pOwner)
- : m_pOwner(pOwner) {}
-int32_t CFWL_ScrollBarImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
- if (!pMessage)
- return 0;
- int32_t iRet = 1;
- FX_DWORD dwMsgCode = pMessage->GetClassID();
- if (dwMsgCode == FWL_MSGHASH_Mouse) {
- CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
- FX_DWORD dwCmd = pMsg->m_dwCmd;
- switch (dwCmd) {
- case FWL_MSGMOUSECMD_LButtonDown: {
- OnLButtonDown(pMsg->m_dwFlags, pMsg->m_fx, pMsg->m_fy);
- break;
- }
- case FWL_MSGMOUSECMD_LButtonUp: {
- OnLButtonUp(pMsg->m_dwFlags, pMsg->m_fx, pMsg->m_fy);
- break;
- }
- case FWL_MSGMOUSECMD_MouseMove: {
- OnMouseMove(pMsg->m_dwFlags, pMsg->m_fx, pMsg->m_fy);
- break;
- }
- case FWL_MSGMOUSECMD_MouseLeave: {
- OnMouseLeave();
- break;
- }
- default: { iRet = 0; }
- }
- } else if (dwMsgCode == FWL_MSGHASH_MouseWheel) {
- CFWL_MsgMouseWheel* pMsg = static_cast<CFWL_MsgMouseWheel*>(pMessage);
- OnMouseWheel(pMsg->m_fx, pMsg->m_fy, pMsg->m_dwFlags, pMsg->m_fDeltaX,
- pMsg->m_fDeltaY);
- } else {
- iRet = 0;
- }
- return iRet;
-}
-FWL_ERR CFWL_ScrollBarImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
- const CFX_Matrix* pMatrix) {
- return m_pOwner->DrawWidget(pGraphics, pMatrix);
-}
-void CFWL_ScrollBarImpDelegate::OnLButtonDown(FX_DWORD dwFlags,
- FX_FLOAT fx,
- FX_FLOAT fy) {
- if (!m_pOwner->IsEnabled()) {
- return;
- }
- m_pOwner->m_bMouseDown = TRUE;
- m_pOwner->SetGrab(TRUE);
- m_pOwner->m_cpTrackPointX = fx;
- m_pOwner->m_cpTrackPointY = fy;
- m_pOwner->m_fLastTrackPos = m_pOwner->m_fTrackPos;
- if (m_pOwner->m_rtMinBtn.Contains(fx, fy)) {
- DoMouseDown(0, m_pOwner->m_rtMinBtn, m_pOwner->m_iMinButtonState, fx, fy);
- } else {
- if (m_pOwner->m_rtThumb.Contains(fx, fy)) {
- DoMouseDown(1, m_pOwner->m_rtThumb, m_pOwner->m_iThumbButtonState, fx,
- fy);
- } else {
- if (m_pOwner->m_rtMaxBtn.Contains(fx, fy)) {
- DoMouseDown(2, m_pOwner->m_rtMaxBtn, m_pOwner->m_iMaxButtonState, fx,
- fy);
- } else {
- if (m_pOwner->m_rtMinTrack.Contains(fx, fy)) {
- DoMouseDown(3, m_pOwner->m_rtMinTrack, m_pOwner->m_iMinTrackState, fx,
- fy);
- } else {
- DoMouseDown(4, m_pOwner->m_rtMaxTrack, m_pOwner->m_iMaxTrackState, fx,
- fy);
- }
- }
- }
- }
- if (!m_pOwner->SendEvent()) {
- m_pOwner->m_hTimer = FWL_StartTimer(m_pOwner, FWL_SCROLLBAR_Elapse);
- }
-}
-void CFWL_ScrollBarImpDelegate::OnLButtonUp(FX_DWORD dwFlags,
- FX_FLOAT fx,
- FX_FLOAT fy) {
- FWL_StopTimer(m_pOwner->m_hTimer);
- m_pOwner->m_bMouseDown = FALSE;
- DoMouseUp(0, m_pOwner->m_rtMinBtn, m_pOwner->m_iMinButtonState, fx, fy);
- DoMouseUp(1, m_pOwner->m_rtThumb, m_pOwner->m_iThumbButtonState, fx, fy);
- DoMouseUp(2, m_pOwner->m_rtMaxBtn, m_pOwner->m_iMaxButtonState, fx, fy);
- DoMouseUp(3, m_pOwner->m_rtMinTrack, m_pOwner->m_iMinTrackState, fx, fy);
- DoMouseUp(4, m_pOwner->m_rtMaxTrack, m_pOwner->m_iMaxTrackState, fx, fy);
- m_pOwner->SetGrab(FALSE);
-}
-void CFWL_ScrollBarImpDelegate::OnMouseMove(FX_DWORD dwFlags,
- FX_FLOAT fx,
- FX_FLOAT fy) {
- DoMouseMove(0, m_pOwner->m_rtMinBtn, m_pOwner->m_iMinButtonState, fx, fy);
- DoMouseMove(1, m_pOwner->m_rtThumb, m_pOwner->m_iThumbButtonState, fx, fy);
- DoMouseMove(2, m_pOwner->m_rtMaxBtn, m_pOwner->m_iMaxButtonState, fx, fy);
- DoMouseMove(3, m_pOwner->m_rtMinTrack, m_pOwner->m_iMinTrackState, fx, fy);
- DoMouseMove(4, m_pOwner->m_rtMaxTrack, m_pOwner->m_iMaxTrackState, fx, fy);
-}
-void CFWL_ScrollBarImpDelegate::OnMouseLeave() {
- DoMouseLeave(0, m_pOwner->m_rtMinBtn, m_pOwner->m_iMinButtonState);
- DoMouseLeave(1, m_pOwner->m_rtThumb, m_pOwner->m_iThumbButtonState);
- DoMouseLeave(2, m_pOwner->m_rtMaxBtn, m_pOwner->m_iMaxButtonState);
- DoMouseLeave(3, m_pOwner->m_rtMinTrack, m_pOwner->m_iMinTrackState);
- DoMouseLeave(4, m_pOwner->m_rtMaxTrack, m_pOwner->m_iMaxTrackState);
-}
-void CFWL_ScrollBarImpDelegate::OnMouseWheel(FX_FLOAT fx,
- FX_FLOAT fy,
- FX_DWORD dwFlags,
- FX_FLOAT fDeltaX,
- FX_FLOAT fDeltaY) {
- m_pOwner->m_iMouseWheel = (int32_t)fDeltaX;
- m_pOwner->SendEvent();
- m_pOwner->m_iMouseWheel = 0;
-}
-void CFWL_ScrollBarImpDelegate::DoMouseDown(int32_t iItem,
- const CFX_RectF& rtItem,
- int32_t& iState,
- FX_FLOAT fx,
- FX_FLOAT fy) {
- if (!rtItem.Contains(fx, fy)) {
- return;
- }
- if (iState == FWL_PARTSTATE_SCB_Pressed) {
- return;
- }
- iState = FWL_PARTSTATE_SCB_Pressed;
- m_pOwner->Repaint(&rtItem);
-}
-void CFWL_ScrollBarImpDelegate::DoMouseUp(int32_t iItem,
- const CFX_RectF& rtItem,
- int32_t& iState,
- FX_FLOAT fx,
- FX_FLOAT fy) {
- int32_t iNewState = rtItem.Contains(fx, fy) ? FWL_PARTSTATE_SCB_Hovered
- : FWL_PARTSTATE_SCB_Normal;
- if (iState == iNewState) {
- return;
- }
- iState = iNewState;
- m_pOwner->Repaint(&rtItem);
- m_pOwner->OnScroll(FWL_SCBCODE_EndScroll, m_pOwner->m_fTrackPos);
-}
-void CFWL_ScrollBarImpDelegate::DoMouseMove(int32_t iItem,
- const CFX_RectF& rtItem,
- int32_t& iState,
- FX_FLOAT fx,
- FX_FLOAT fy) {
- if (!m_pOwner->m_bMouseDown) {
- int32_t iNewState = rtItem.Contains(fx, fy) ? FWL_PARTSTATE_SCB_Hovered
- : FWL_PARTSTATE_SCB_Normal;
- if (iState == iNewState) {
- return;
- }
- iState = iNewState;
- m_pOwner->Repaint(&rtItem);
- } else if ((2 == iItem) &&
- (m_pOwner->m_iThumbButtonState == FWL_PARTSTATE_SCB_Pressed)) {
- FX_FLOAT fPos = m_pOwner->GetTrackPointPos(fx, fy);
- m_pOwner->m_fTrackPos = fPos;
- m_pOwner->OnScroll(FWL_SCBCODE_TrackPos, fPos);
- }
-}
-void CFWL_ScrollBarImpDelegate::DoMouseLeave(int32_t iItem,
- const CFX_RectF& rtItem,
- int32_t& iState) {
- if (iState == FWL_PARTSTATE_SCB_Normal) {
- return;
- }
- iState = FWL_PARTSTATE_SCB_Normal;
- m_pOwner->Repaint(&rtItem);
-}
-void CFWL_ScrollBarImpDelegate::DoMouseHover(int32_t iItem,
- const CFX_RectF& rtItem,
- int32_t& iState) {
- if (iState == FWL_PARTSTATE_SCB_Hovered) {
- return;
- }
- iState = FWL_PARTSTATE_SCB_Hovered;
- m_pOwner->Repaint(&rtItem);
-}
+// 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/src/foxitlib.h"
+#include "xfa/src/fwl/src/core/include/fwl_targetimp.h"
+#include "xfa/src/fwl/src/core/include/fwl_noteimp.h"
+#include "xfa/src/fwl/src/core/include/fwl_widgetimp.h"
+#include "xfa/src/fwl/src/basewidget/include/fwl_scrollbarimp.h"
+#define FWL_SCROLLBAR_Elapse 500
+#define FWL_SCROLLBAR_MinThumb 5
+
+// static
+IFWL_ScrollBar* IFWL_ScrollBar::Create(
+ const CFWL_WidgetImpProperties& properties,
+ IFWL_Widget* pOuter) {
+ IFWL_ScrollBar* pScrollBar = new IFWL_ScrollBar;
+ CFWL_ScrollBarImp* pScrollBarImpl = new CFWL_ScrollBarImp(properties, pOuter);
+ pScrollBar->SetImpl(pScrollBarImpl);
+ pScrollBarImpl->SetInterface(pScrollBar);
+ return pScrollBar;
+}
+IFWL_ScrollBar::IFWL_ScrollBar() {}
+FX_BOOL IFWL_ScrollBar::IsVertical() {
+ return static_cast<CFWL_ScrollBarImp*>(GetImpl())->IsVertical();
+}
+FWL_ERR IFWL_ScrollBar::GetRange(FX_FLOAT& fMin, FX_FLOAT& fMax) {
+ return static_cast<CFWL_ScrollBarImp*>(GetImpl())->GetRange(fMin, fMax);
+}
+FWL_ERR IFWL_ScrollBar::SetRange(FX_FLOAT fMin, FX_FLOAT fMax) {
+ return static_cast<CFWL_ScrollBarImp*>(GetImpl())->SetRange(fMin, fMax);
+}
+FX_FLOAT IFWL_ScrollBar::GetPageSize() {
+ return static_cast<CFWL_ScrollBarImp*>(GetImpl())->GetPageSize();
+}
+FWL_ERR IFWL_ScrollBar::SetPageSize(FX_FLOAT fPageSize) {
+ return static_cast<CFWL_ScrollBarImp*>(GetImpl())->SetPageSize(fPageSize);
+}
+FX_FLOAT IFWL_ScrollBar::GetStepSize() {
+ return static_cast<CFWL_ScrollBarImp*>(GetImpl())->GetStepSize();
+}
+FWL_ERR IFWL_ScrollBar::SetStepSize(FX_FLOAT fStepSize) {
+ return static_cast<CFWL_ScrollBarImp*>(GetImpl())->SetStepSize(fStepSize);
+}
+FX_FLOAT IFWL_ScrollBar::GetPos() {
+ return static_cast<CFWL_ScrollBarImp*>(GetImpl())->GetPos();
+}
+FWL_ERR IFWL_ScrollBar::SetPos(FX_FLOAT fPos) {
+ return static_cast<CFWL_ScrollBarImp*>(GetImpl())->SetPos(fPos);
+}
+FX_FLOAT IFWL_ScrollBar::GetTrackPos() {
+ return static_cast<CFWL_ScrollBarImp*>(GetImpl())->GetTrackPos();
+}
+FWL_ERR IFWL_ScrollBar::SetTrackPos(FX_FLOAT fTrackPos) {
+ return static_cast<CFWL_ScrollBarImp*>(GetImpl())->SetTrackPos(fTrackPos);
+}
+FX_BOOL IFWL_ScrollBar::DoScroll(FX_DWORD dwCode, FX_FLOAT fPos) {
+ return static_cast<CFWL_ScrollBarImp*>(GetImpl())->DoScroll(dwCode, fPos);
+}
+CFWL_ScrollBarImp::CFWL_ScrollBarImp(const CFWL_WidgetImpProperties& properties,
+ IFWL_Widget* pOuter)
+ : CFWL_WidgetImp(properties, pOuter),
+ m_hTimer(nullptr),
+ m_fRangeMin(0),
+ m_fRangeMax(-1),
+ m_fPageSize(0),
+ m_fStepSize(0),
+ m_fPos(0),
+ m_fTrackPos(0),
+ m_iMinButtonState(FWL_PARTSTATE_SCB_Normal),
+ m_iMaxButtonState(FWL_PARTSTATE_SCB_Normal),
+ m_iThumbButtonState(FWL_PARTSTATE_SCB_Normal),
+ m_iMinTrackState(FWL_PARTSTATE_SCB_Normal),
+ m_iMaxTrackState(FWL_PARTSTATE_SCB_Normal),
+ m_fLastTrackPos(0),
+ m_cpTrackPointX(0),
+ m_cpTrackPointY(0),
+ m_iMouseWheel(0),
+ m_bTrackMouseLeave(FALSE),
+ m_bMouseHover(FALSE),
+ m_bMouseDown(FALSE),
+ m_bRepaintThumb(FALSE),
+ m_fButtonLen(0),
+ m_bMinSize(FALSE),
+ m_bCustomLayout(FALSE),
+ m_fMinThumb(FWL_SCROLLBAR_MinThumb) {
+ m_rtClient.Reset();
+ m_rtThumb.Reset();
+ m_rtMinBtn.Reset();
+ m_rtMaxBtn.Reset();
+ m_rtMinTrack.Reset();
+ m_rtMaxTrack.Reset();
+}
+CFWL_ScrollBarImp::~CFWL_ScrollBarImp() {}
+FWL_ERR CFWL_ScrollBarImp::GetClassName(CFX_WideString& wsClass) const {
+ wsClass = FWL_CLASS_ScrollBar;
+ return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_ScrollBarImp::GetClassID() const {
+ return FWL_CLASSHASH_ScrollBar;
+}
+FWL_ERR CFWL_ScrollBarImp::Initialize() {
+ if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded)
+ return FWL_ERR_Indefinite;
+ m_pDelegate = new CFWL_ScrollBarImpDelegate(this);
+ return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ScrollBarImp::Finalize() {
+ delete m_pDelegate;
+ m_pDelegate = nullptr;
+ return CFWL_WidgetImp::Finalize();
+}
+FWL_ERR CFWL_ScrollBarImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
+ if (bAutoSize) {
+ rect.Set(0, 0, 0, 0);
+ FX_FLOAT* pfMinWidth = static_cast<FX_FLOAT*>(
+ GetThemeCapacity(FWL_WGTCAPACITY_ScrollBarWidth));
+ if (!pfMinWidth)
+ return FWL_ERR_Indefinite;
+ if (IsVertical()) {
+ rect.Set(0, 0, (*pfMinWidth), (*pfMinWidth) * 3);
+ } else {
+ rect.Set(0, 0, (*pfMinWidth) * 3, (*pfMinWidth));
+ }
+ CFWL_WidgetImp::GetWidgetRect(rect, TRUE);
+ } else {
+ rect = m_pProperties->m_rtWidget;
+ }
+ return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ScrollBarImp::Update() {
+ if (IsLocked()) {
+ return FWL_ERR_Indefinite;
+ }
+ if (!m_pProperties->m_pThemeProvider) {
+ m_pProperties->m_pThemeProvider = GetAvailableTheme();
+ }
+ Layout();
+ return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ScrollBarImp::DrawWidget(CFX_Graphics* pGraphics,
+ const CFX_Matrix* pMatrix) {
+ if (!pGraphics)
+ return FWL_ERR_Indefinite;
+ if (!m_pProperties->m_pThemeProvider)
+ return FWL_ERR_Indefinite;
+ IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+ if (HasBorder()) {
+ DrawBorder(pGraphics, FWL_PART_SCB_Border, pTheme, pMatrix);
+ }
+ if (HasEdge()) {
+ DrawEdge(pGraphics, FWL_PART_SCB_Edge, pTheme, pMatrix);
+ }
+ DrawTrack(pGraphics, pTheme, TRUE, pMatrix);
+ DrawTrack(pGraphics, pTheme, FALSE, pMatrix);
+ DrawArrowBtn(pGraphics, pTheme, TRUE, pMatrix);
+ DrawArrowBtn(pGraphics, pTheme, FALSE, pMatrix);
+ DrawThumb(pGraphics, pTheme, pMatrix);
+ return FWL_ERR_Succeeded;
+}
+inline FX_BOOL CFWL_ScrollBarImp::IsVertical() {
+ return m_pProperties->m_dwStyleExes & FWL_STYLEEXT_SCB_Vert;
+}
+FWL_ERR CFWL_ScrollBarImp::GetRange(FX_FLOAT& fMin, FX_FLOAT& fMax) {
+ fMin = m_fRangeMin;
+ fMax = m_fRangeMax;
+ return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ScrollBarImp::SetRange(FX_FLOAT fMin, FX_FLOAT fMax) {
+ m_fRangeMin = fMin;
+ m_fRangeMax = fMax;
+ return FWL_ERR_Succeeded;
+}
+FX_FLOAT CFWL_ScrollBarImp::GetPageSize() {
+ return m_fPageSize;
+}
+FWL_ERR CFWL_ScrollBarImp::SetPageSize(FX_FLOAT fPageSize) {
+ m_fPageSize = fPageSize;
+ return FWL_ERR_Succeeded;
+}
+FX_FLOAT CFWL_ScrollBarImp::GetStepSize() {
+ return m_fStepSize;
+}
+FWL_ERR CFWL_ScrollBarImp::SetStepSize(FX_FLOAT fStepSize) {
+ m_fStepSize = fStepSize;
+ return FWL_ERR_Succeeded;
+}
+FX_FLOAT CFWL_ScrollBarImp::GetPos() {
+ return m_fPos;
+}
+FWL_ERR CFWL_ScrollBarImp::SetPos(FX_FLOAT fPos) {
+ m_fPos = fPos;
+ return FWL_ERR_Succeeded;
+}
+FX_FLOAT CFWL_ScrollBarImp::GetTrackPos() {
+ return m_fTrackPos;
+}
+FWL_ERR CFWL_ScrollBarImp::SetTrackPos(FX_FLOAT fTrackPos) {
+ m_fTrackPos = fTrackPos;
+ CalcThumbButtonRect(m_rtThumb);
+ CalcMinTrackRect(m_rtMinTrack);
+ CalcMaxTrackRect(m_rtMaxTrack);
+ return FWL_ERR_Succeeded;
+}
+FX_BOOL CFWL_ScrollBarImp::DoScroll(FX_DWORD dwCode, FX_FLOAT fPos) {
+ switch (dwCode) {
+ case FWL_SCBCODE_Min:
+ case FWL_SCBCODE_Max:
+ case FWL_SCBCODE_PageBackward:
+ case FWL_SCBCODE_PageForward:
+ case FWL_SCBCODE_StepBackward:
+ break;
+ case FWL_SCBCODE_StepForward:
+ break;
+ case FWL_SCBCODE_Pos:
+ case FWL_SCBCODE_TrackPos:
+ case FWL_SCBCODE_EndScroll:
+ break;
+ default: { return FALSE; }
+ }
+ return OnScroll(dwCode, fPos);
+}
+int32_t CFWL_ScrollBarImp::Run(FWL_HTIMER hTimer) {
+ if (m_hTimer) {
+ FWL_StopTimer(m_hTimer);
+ }
+ if (!SendEvent()) {
+ m_hTimer = FWL_StartTimer(this, 0);
+ }
+ return 1;
+}
+FWL_ERR CFWL_ScrollBarImp::SetOuter(IFWL_Widget* pOuter) {
+ m_pOuter = pOuter;
+ return FWL_ERR_Succeeded;
+}
+void CFWL_ScrollBarImp::DrawTrack(CFX_Graphics* pGraphics,
+ IFWL_ThemeProvider* pTheme,
+ FX_BOOL bLower,
+ const CFX_Matrix* pMatrix) {
+ CFWL_ThemeBackground param;
+ param.m_pWidget = m_pInterface;
+ param.m_iPart = bLower ? FWL_PART_SCB_LowerTrack : FWL_PART_SCB_UpperTrack;
+ param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)
+ ? FWL_PARTSTATE_SCB_Disabled
+ : (bLower ? m_iMinTrackState : m_iMaxTrackState);
+ param.m_pGraphics = pGraphics;
+ param.m_matrix.Concat(*pMatrix);
+ param.m_rtPart = bLower ? m_rtMinTrack : m_rtMaxTrack;
+ pTheme->DrawBackground(&param);
+}
+void CFWL_ScrollBarImp::DrawArrowBtn(CFX_Graphics* pGraphics,
+ IFWL_ThemeProvider* pTheme,
+ FX_BOOL bMinBtn,
+ const CFX_Matrix* pMatrix) {
+ CFWL_ThemeBackground param;
+ param.m_pWidget = m_pInterface;
+ param.m_iPart = bMinBtn ? FWL_PART_SCB_ForeArrow : FWL_PART_SCB_BackArrow;
+ param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)
+ ? FWL_PARTSTATE_SCB_Disabled
+ : (bMinBtn ? m_iMinButtonState : m_iMaxButtonState);
+ param.m_pGraphics = pGraphics;
+ param.m_matrix.Concat(*pMatrix);
+ param.m_rtPart = bMinBtn ? m_rtMinBtn : m_rtMaxBtn;
+ if (param.m_rtPart.height > 0 && param.m_rtPart.width > 0) {
+ pTheme->DrawBackground(&param);
+ }
+}
+void CFWL_ScrollBarImp::DrawThumb(CFX_Graphics* pGraphics,
+ IFWL_ThemeProvider* pTheme,
+ const CFX_Matrix* pMatrix) {
+ if (!IsEnabled()) {
+ }
+ CFWL_ThemeBackground param;
+ param.m_pWidget = m_pInterface;
+ param.m_iPart = FWL_PART_SCB_Thumb;
+ param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)
+ ? FWL_PARTSTATE_SCB_Disabled
+ : m_iThumbButtonState;
+ param.m_pGraphics = pGraphics;
+ param.m_matrix.Concat(*pMatrix);
+ param.m_rtPart = m_rtThumb;
+ pTheme->DrawBackground(&param);
+}
+void CFWL_ScrollBarImp::Layout() {
+ IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+ CFWL_ThemePart part;
+ part.m_pWidget = m_pInterface;
+ m_fMinThumb = *static_cast<FX_FLOAT*>(
+ pTheme->GetCapacity(&part, FWL_CAPACITY_SCB_Size));
+ m_bCustomLayout = pTheme->IsCustomizedLayout(m_pInterface);
+ GetClientRect(m_rtClient);
+ CalcButtonLen();
+ CalcMinButtonRect(m_rtMinBtn);
+ CalcMaxButtonRect(m_rtMaxBtn);
+ CalcThumbButtonRect(m_rtThumb);
+ CalcMinTrackRect(m_rtMinTrack);
+ CalcMaxTrackRect(m_rtMaxTrack);
+}
+void CFWL_ScrollBarImp::CalcButtonLen() {
+ m_fButtonLen = IsVertical() ? m_rtClient.width : m_rtClient.height;
+ FX_FLOAT fLength = IsVertical() ? m_rtClient.height : m_rtClient.width;
+ if (fLength < m_fButtonLen * 2) {
+ m_fButtonLen = fLength / 2;
+ m_bMinSize = TRUE;
+ } else {
+ m_bMinSize = FALSE;
+ }
+}
+void CFWL_ScrollBarImp::CalcMinButtonRect(CFX_RectF& rect) {
+ if (m_bCustomLayout) {
+ IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+ CFWL_ThemePart pPart;
+ pPart.m_rtPart = m_rtMinBtn;
+ pPart.m_pWidget = m_pInterface;
+ pPart.m_iPart = FWL_PART_SCB_ForeArrow;
+ pPart.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)
+ ? FWL_PARTSTATE_SCB_Disabled
+ : m_iMinButtonState;
+ pTheme->GetPartRect(&pPart, rect);
+ } else {
+ rect.left = m_rtClient.left;
+ rect.top = m_rtClient.top;
+ rect.width = IsVertical() ? m_rtClient.width : m_fButtonLen;
+ rect.height = IsVertical() ? m_fButtonLen : m_rtClient.height;
+ }
+}
+void CFWL_ScrollBarImp::CalcMaxButtonRect(CFX_RectF& rect) {
+ if (m_bCustomLayout) {
+ IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+ CFWL_ThemePart pPart;
+ pPart.m_rtPart = m_rtMaxBtn;
+ pPart.m_pWidget = m_pInterface;
+ pPart.m_iPart = FWL_PART_SCB_BackArrow;
+ pPart.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)
+ ? FWL_PARTSTATE_SCB_Disabled
+ : m_iMaxButtonState;
+ pTheme->GetPartRect(&pPart, rect);
+ } else {
+ rect.left =
+ IsVertical() ? m_rtClient.left : m_rtClient.right() - m_fButtonLen;
+ rect.top =
+ IsVertical() ? m_rtClient.bottom() - m_fButtonLen : m_rtClient.top;
+ rect.width = IsVertical() ? m_rtClient.width : m_fButtonLen;
+ rect.height = IsVertical() ? m_fButtonLen : m_rtClient.height;
+ }
+}
+void CFWL_ScrollBarImp::CalcThumbButtonRect(CFX_RectF& rect) {
+ if (!IsEnabled()) {
+ m_rtThumb.Reset();
+ return;
+ }
+ if (m_bMinSize) {
+ m_rtThumb.Empty();
+ return;
+ }
+ FX_FLOAT fRange = m_fRangeMax - m_fRangeMin;
+ memset(&rect, 0, sizeof(CFX_Rect));
+ if (fRange < 0) {
+ if (IsVertical()) {
+ rect.Set(m_rtClient.left, m_rtMaxBtn.bottom(), m_rtClient.width, 0);
+ } else {
+ rect.Set(m_rtMaxBtn.right(), m_rtClient.top, 0, m_rtClient.height);
+ }
+ return;
+ }
+ CFX_RectF rtClient = m_rtClient;
+ FX_FLOAT fLength = IsVertical() ? rtClient.height : rtClient.width;
+ FX_FLOAT fSize = m_fButtonLen;
+ if (m_bCustomLayout) {
+ if (IsVertical()) {
+ fLength = fLength - m_rtMinBtn.height - m_rtMaxBtn.height;
+ if (fLength < m_rtMinBtn.height || fLength < m_rtMaxBtn.height) {
+ fLength = 0.0f;
+ }
+ } else {
+ fLength = fLength - m_rtMinBtn.width - m_rtMaxBtn.width;
+ if (fLength < m_rtMinBtn.width || fLength < m_rtMaxBtn.width) {
+ fLength = 0.0f;
+ }
+ }
+ } else {
+ fLength -= fSize * 2.0f;
+ if (fLength < fSize) {
+ fLength = 0.0f;
+ }
+ }
+ FX_FLOAT fThumbSize = fLength * fLength / (fRange + fLength);
+ if (fThumbSize < m_fMinThumb) {
+ fThumbSize = m_fMinThumb;
+ }
+ FX_FLOAT fDiff = fLength - fThumbSize;
+ if (fDiff < 0.0f) {
+ fDiff = 0.0f;
+ }
+ FX_FLOAT fTrackPos = m_fTrackPos;
+ if (fTrackPos > m_fRangeMax) {
+ fTrackPos = m_fRangeMax;
+ }
+ if (fTrackPos < m_fRangeMin) {
+ fTrackPos = m_fRangeMin;
+ }
+ if (!fRange)
+ return;
+ if (m_bCustomLayout) {
+ FX_FLOAT iPos = fDiff * (fTrackPos - m_fRangeMin) / fRange;
+ rect.left = rtClient.left;
+ if (!IsVertical()) {
+ if ((m_rtMinBtn.right() == m_rtMaxBtn.left && m_rtMinBtn.width > 0 &&
+ m_rtMaxBtn.width > 0) ||
+ (0 == m_rtMinBtn.width && 0 == m_rtMaxBtn.width)) {
+ rect.left += iPos;
+ } else {
+ rect.left += m_rtMinBtn.right() + iPos;
+ }
+ }
+ rect.top = rtClient.top;
+ if (IsVertical()) {
+ if ((m_rtMinBtn.bottom() == m_rtMaxBtn.top && m_rtMinBtn.height > 0 &&
+ m_rtMaxBtn.height > 0) ||
+ (0 == m_rtMinBtn.height && 0 == m_rtMaxBtn.height)) {
+ rect.top += iPos;
+ } else {
+ rect.top += m_rtMinBtn.bottom() + iPos;
+ }
+ }
+ rect.width = IsVertical() ? rtClient.width : fThumbSize;
+ rect.height = IsVertical() ? fThumbSize : rtClient.height;
+ } else {
+ FX_FLOAT iPos = fSize + fDiff * (fTrackPos - m_fRangeMin) / fRange;
+ rect.left = rtClient.left;
+ if (!IsVertical()) {
+ rect.left += iPos;
+ }
+ rect.top = rtClient.top;
+ if (IsVertical()) {
+ rect.top += iPos;
+ }
+ rect.width = IsVertical() ? rtClient.width : fThumbSize;
+ rect.height = IsVertical() ? fThumbSize : rtClient.height;
+ }
+}
+void CFWL_ScrollBarImp::CalcMinTrackRect(CFX_RectF& rect) {
+ if (m_bMinSize) {
+ rect.Empty();
+ return;
+ }
+ FX_FLOAT fBottom = m_rtThumb.bottom();
+ FX_FLOAT fRight = m_rtThumb.right();
+ FX_FLOAT ix = (m_rtThumb.left + fRight) / 2;
+ FX_FLOAT iy = (m_rtThumb.top + fBottom) / 2;
+ rect.left = m_rtClient.left;
+ rect.top = m_rtClient.top;
+ FX_BOOL bVertical = IsVertical();
+ rect.width = bVertical ? m_rtClient.width : ix;
+ rect.height = bVertical ? iy : m_rtClient.height;
+ if (m_bCustomLayout) {
+ if (bVertical) {
+ if (0 == m_rtMinBtn.height && 0 == m_rtMaxBtn.height) {
+ rect.top = m_rtClient.top;
+ } else if (m_rtMinBtn.top < m_rtThumb.top) {
+ rect.top = m_rtMinBtn.bottom();
+ rect.height -= (m_rtMinBtn.bottom() - m_rtClient.top);
+ }
+ } else {
+ if (0 == m_rtMinBtn.width && 0 == m_rtMaxBtn.width) {
+ rect.left = m_rtClient.left;
+ } else if (m_rtMinBtn.left < m_rtThumb.left) {
+ rect.left = m_rtMinBtn.right();
+ rect.width -= (m_rtMinBtn.right() - m_rtClient.left);
+ }
+ }
+ }
+}
+void CFWL_ScrollBarImp::CalcMaxTrackRect(CFX_RectF& rect) {
+ if (m_bMinSize) {
+ rect.Empty();
+ return;
+ }
+ FX_FLOAT ix = (m_rtThumb.left + m_rtThumb.right()) / 2;
+ FX_FLOAT iy = (m_rtThumb.top + m_rtThumb.bottom()) / 2;
+ FX_BOOL bVertical = IsVertical();
+ rect.left = bVertical ? m_rtClient.left : ix;
+ rect.top = bVertical ? iy : m_rtClient.top;
+ rect.width = bVertical ? m_rtClient.width : m_rtClient.right() - ix;
+ rect.height = bVertical ? m_rtClient.bottom() - iy : m_rtClient.height;
+ if (m_bCustomLayout) {
+ if (bVertical) {
+ if (m_rtMinBtn.top > m_rtThumb.top && m_rtMinBtn.height > 0 &&
+ m_rtMaxBtn.height > 0) {
+ rect.height -= (m_rtClient.bottom() - m_rtMinBtn.top);
+ } else if (m_rtMinBtn.height > 0 && m_rtMaxBtn.height > 0) {
+ rect.height -= (m_rtClient.bottom() - m_rtMaxBtn.top);
+ }
+ } else {
+ if (m_rtMinBtn.left > m_rtThumb.left && m_rtMinBtn.width > 0 &&
+ m_rtMaxBtn.width > 0) {
+ rect.width -= (m_rtClient.right() - m_rtMinBtn.left);
+ } else if (m_rtMinBtn.width > 0 && m_rtMaxBtn.width > 0) {
+ rect.width -= (m_rtClient.right() - m_rtMaxBtn.left);
+ }
+ }
+ }
+}
+FX_FLOAT CFWL_ScrollBarImp::GetTrackPointPos(FX_FLOAT fx, FX_FLOAT fy) {
+ FX_FLOAT fDiffX = fx - m_cpTrackPointX;
+ FX_FLOAT fDiffY = fy - m_cpTrackPointY;
+ FX_FLOAT fRange = m_fRangeMax - m_fRangeMin;
+ FX_FLOAT fPos;
+ if (m_bCustomLayout) {
+ if (IsVertical()) {
+ if (0 == m_rtMinBtn.height && 0 == m_rtMaxBtn.height) {
+ fPos = fRange * fDiffY / (m_rtClient.height - m_rtThumb.height);
+ } else if (m_rtMinBtn.bottom() == m_rtMaxBtn.top) {
+ fPos = fRange * fDiffY /
+ (m_rtMinBtn.top - m_rtClient.top - m_rtThumb.height);
+ } else {
+ fPos = fRange * fDiffY /
+ (m_rtMaxBtn.top - m_rtMinBtn.bottom() - m_rtThumb.height);
+ }
+ } else {
+ if (0 == m_rtMinBtn.width && 0 == m_rtMaxBtn.width) {
+ fPos = fRange * fDiffX / (m_rtClient.width - m_rtThumb.width);
+ } else if (m_rtMinBtn.right() == m_rtMaxBtn.left) {
+ fPos = fRange * fDiffX /
+ (m_rtMinBtn.left - m_rtClient.left - m_rtThumb.width);
+ } else {
+ fPos = fRange * fDiffX /
+ (m_rtMaxBtn.left - m_rtMinBtn.right() - m_rtThumb.width);
+ }
+ }
+ } else {
+ if (IsVertical()) {
+ fPos = fRange * fDiffY /
+ (m_rtMaxBtn.top - m_rtMinBtn.bottom() - m_rtThumb.height);
+ } else {
+ fPos = fRange * fDiffX /
+ (m_rtMaxBtn.left - m_rtMinBtn.right() - m_rtThumb.width);
+ }
+ }
+ fPos += m_fLastTrackPos;
+ if (fPos < m_fRangeMin) {
+ fPos = m_fRangeMin;
+ }
+ if (fPos > m_fRangeMax) {
+ fPos = m_fRangeMax;
+ }
+ return fPos;
+}
+void CFWL_ScrollBarImp::GetTrackRect(CFX_RectF& rect, FX_BOOL bLower) {
+ FX_BOOL bDisabled = m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled;
+ if (bDisabled || m_bCustomLayout) {
+ rect = bLower ? m_rtMinTrack : m_rtMaxTrack;
+ } else {
+ FX_FLOAT fW = m_rtThumb.width / 2;
+ FX_FLOAT fH = m_rtThumb.height / 2;
+ FX_BOOL bVert = IsVertical();
+ if (bLower) {
+ if (bVert) {
+ FX_FLOAT fMinTrackHeight = m_rtMinTrack.height - fH - m_rtMinBtn.height;
+ fMinTrackHeight = (fMinTrackHeight >= 0.0f) ? fMinTrackHeight : 0.0f;
+ rect.Set(m_rtMinTrack.left, m_rtMinTrack.top + m_rtMinBtn.height,
+ m_rtMinTrack.width, fMinTrackHeight);
+ } else {
+ FX_FLOAT fMinTrackWidth =
+ m_rtMinTrack.width - fW - m_rtMinBtn.width + 2;
+ fMinTrackWidth = (fMinTrackWidth >= 0.0f) ? fMinTrackWidth : 0.0f;
+ rect.Set(m_rtMinTrack.left + m_rtMinBtn.width - 1, m_rtMinTrack.top,
+ fMinTrackWidth, m_rtMinTrack.height);
+ }
+ } else {
+ if (bVert) {
+ FX_FLOAT fMaxTrackHeight = m_rtMaxTrack.height - fH - m_rtMaxBtn.height;
+ fMaxTrackHeight = (fMaxTrackHeight >= 0.0f) ? fMaxTrackHeight : 0.0f;
+ rect.Set(m_rtMaxTrack.left, m_rtMaxTrack.top + fH, m_rtMaxTrack.width,
+ fMaxTrackHeight);
+ } else {
+ FX_FLOAT fMaxTrackWidth =
+ m_rtMaxTrack.width - fW - m_rtMaxBtn.width + 2;
+ fMaxTrackWidth = (fMaxTrackWidth >= 0.0f) ? fMaxTrackWidth : 0.0f;
+ rect.Set(m_rtMaxTrack.left + fW, m_rtMaxTrack.top, fMaxTrackWidth,
+ m_rtMaxTrack.height);
+ }
+ }
+ }
+}
+FX_BOOL CFWL_ScrollBarImp::SendEvent() {
+ if (m_iMinButtonState == FWL_PARTSTATE_SCB_Pressed) {
+ DoScroll(FWL_SCBCODE_StepBackward, m_fTrackPos);
+ return FALSE;
+ }
+ if (m_iMaxButtonState == FWL_PARTSTATE_SCB_Pressed) {
+ DoScroll(FWL_SCBCODE_StepForward, m_fTrackPos);
+ return FALSE;
+ }
+ if (m_iMinTrackState == FWL_PARTSTATE_SCB_Pressed) {
+ DoScroll(FWL_SCBCODE_PageBackward, m_fTrackPos);
+ return m_rtThumb.Contains(m_cpTrackPointX, m_cpTrackPointY);
+ }
+ if (m_iMaxTrackState == FWL_PARTSTATE_SCB_Pressed) {
+ DoScroll(FWL_SCBCODE_PageForward, m_fTrackPos);
+ return m_rtThumb.Contains(m_cpTrackPointX, m_cpTrackPointY);
+ }
+ if (m_iMouseWheel) {
+ FX_WORD dwCode =
+ m_iMouseWheel < 0 ? FWL_SCBCODE_StepForward : FWL_SCBCODE_StepBackward;
+ DoScroll(dwCode, m_fTrackPos);
+ }
+ return TRUE;
+}
+FX_BOOL CFWL_ScrollBarImp::OnScroll(FX_DWORD dwCode, FX_FLOAT fPos) {
+ FX_BOOL bRet = TRUE;
+ CFWL_EvtScroll ev;
+ ev.m_iScrollCode = dwCode;
+ ev.m_pSrcTarget = m_pInterface;
+ ev.m_fPos = fPos;
+ ev.m_pRet = &bRet;
+ DispatchEvent(&ev);
+ return bRet;
+}
+CFWL_ScrollBarImpDelegate::CFWL_ScrollBarImpDelegate(CFWL_ScrollBarImp* pOwner)
+ : m_pOwner(pOwner) {}
+int32_t CFWL_ScrollBarImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
+ if (!pMessage)
+ return 0;
+ int32_t iRet = 1;
+ FX_DWORD dwMsgCode = pMessage->GetClassID();
+ if (dwMsgCode == FWL_MSGHASH_Mouse) {
+ CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
+ FX_DWORD dwCmd = pMsg->m_dwCmd;
+ switch (dwCmd) {
+ case FWL_MSGMOUSECMD_LButtonDown: {
+ OnLButtonDown(pMsg->m_dwFlags, pMsg->m_fx, pMsg->m_fy);
+ break;
+ }
+ case FWL_MSGMOUSECMD_LButtonUp: {
+ OnLButtonUp(pMsg->m_dwFlags, pMsg->m_fx, pMsg->m_fy);
+ break;
+ }
+ case FWL_MSGMOUSECMD_MouseMove: {
+ OnMouseMove(pMsg->m_dwFlags, pMsg->m_fx, pMsg->m_fy);
+ break;
+ }
+ case FWL_MSGMOUSECMD_MouseLeave: {
+ OnMouseLeave();
+ break;
+ }
+ default: { iRet = 0; }
+ }
+ } else if (dwMsgCode == FWL_MSGHASH_MouseWheel) {
+ CFWL_MsgMouseWheel* pMsg = static_cast<CFWL_MsgMouseWheel*>(pMessage);
+ OnMouseWheel(pMsg->m_fx, pMsg->m_fy, pMsg->m_dwFlags, pMsg->m_fDeltaX,
+ pMsg->m_fDeltaY);
+ } else {
+ iRet = 0;
+ }
+ return iRet;
+}
+FWL_ERR CFWL_ScrollBarImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
+ const CFX_Matrix* pMatrix) {
+ return m_pOwner->DrawWidget(pGraphics, pMatrix);
+}
+void CFWL_ScrollBarImpDelegate::OnLButtonDown(FX_DWORD dwFlags,
+ FX_FLOAT fx,
+ FX_FLOAT fy) {
+ if (!m_pOwner->IsEnabled()) {
+ return;
+ }
+ m_pOwner->m_bMouseDown = TRUE;
+ m_pOwner->SetGrab(TRUE);
+ m_pOwner->m_cpTrackPointX = fx;
+ m_pOwner->m_cpTrackPointY = fy;
+ m_pOwner->m_fLastTrackPos = m_pOwner->m_fTrackPos;
+ if (m_pOwner->m_rtMinBtn.Contains(fx, fy)) {
+ DoMouseDown(0, m_pOwner->m_rtMinBtn, m_pOwner->m_iMinButtonState, fx, fy);
+ } else {
+ if (m_pOwner->m_rtThumb.Contains(fx, fy)) {
+ DoMouseDown(1, m_pOwner->m_rtThumb, m_pOwner->m_iThumbButtonState, fx,
+ fy);
+ } else {
+ if (m_pOwner->m_rtMaxBtn.Contains(fx, fy)) {
+ DoMouseDown(2, m_pOwner->m_rtMaxBtn, m_pOwner->m_iMaxButtonState, fx,
+ fy);
+ } else {
+ if (m_pOwner->m_rtMinTrack.Contains(fx, fy)) {
+ DoMouseDown(3, m_pOwner->m_rtMinTrack, m_pOwner->m_iMinTrackState, fx,
+ fy);
+ } else {
+ DoMouseDown(4, m_pOwner->m_rtMaxTrack, m_pOwner->m_iMaxTrackState, fx,
+ fy);
+ }
+ }
+ }
+ }
+ if (!m_pOwner->SendEvent()) {
+ m_pOwner->m_hTimer = FWL_StartTimer(m_pOwner, FWL_SCROLLBAR_Elapse);
+ }
+}
+void CFWL_ScrollBarImpDelegate::OnLButtonUp(FX_DWORD dwFlags,
+ FX_FLOAT fx,
+ FX_FLOAT fy) {
+ FWL_StopTimer(m_pOwner->m_hTimer);
+ m_pOwner->m_bMouseDown = FALSE;
+ DoMouseUp(0, m_pOwner->m_rtMinBtn, m_pOwner->m_iMinButtonState, fx, fy);
+ DoMouseUp(1, m_pOwner->m_rtThumb, m_pOwner->m_iThumbButtonState, fx, fy);
+ DoMouseUp(2, m_pOwner->m_rtMaxBtn, m_pOwner->m_iMaxButtonState, fx, fy);
+ DoMouseUp(3, m_pOwner->m_rtMinTrack, m_pOwner->m_iMinTrackState, fx, fy);
+ DoMouseUp(4, m_pOwner->m_rtMaxTrack, m_pOwner->m_iMaxTrackState, fx, fy);
+ m_pOwner->SetGrab(FALSE);
+}
+void CFWL_ScrollBarImpDelegate::OnMouseMove(FX_DWORD dwFlags,
+ FX_FLOAT fx,
+ FX_FLOAT fy) {
+ DoMouseMove(0, m_pOwner->m_rtMinBtn, m_pOwner->m_iMinButtonState, fx, fy);
+ DoMouseMove(1, m_pOwner->m_rtThumb, m_pOwner->m_iThumbButtonState, fx, fy);
+ DoMouseMove(2, m_pOwner->m_rtMaxBtn, m_pOwner->m_iMaxButtonState, fx, fy);
+ DoMouseMove(3, m_pOwner->m_rtMinTrack, m_pOwner->m_iMinTrackState, fx, fy);
+ DoMouseMove(4, m_pOwner->m_rtMaxTrack, m_pOwner->m_iMaxTrackState, fx, fy);
+}
+void CFWL_ScrollBarImpDelegate::OnMouseLeave() {
+ DoMouseLeave(0, m_pOwner->m_rtMinBtn, m_pOwner->m_iMinButtonState);
+ DoMouseLeave(1, m_pOwner->m_rtThumb, m_pOwner->m_iThumbButtonState);
+ DoMouseLeave(2, m_pOwner->m_rtMaxBtn, m_pOwner->m_iMaxButtonState);
+ DoMouseLeave(3, m_pOwner->m_rtMinTrack, m_pOwner->m_iMinTrackState);
+ DoMouseLeave(4, m_pOwner->m_rtMaxTrack, m_pOwner->m_iMaxTrackState);
+}
+void CFWL_ScrollBarImpDelegate::OnMouseWheel(FX_FLOAT fx,
+ FX_FLOAT fy,
+ FX_DWORD dwFlags,
+ FX_FLOAT fDeltaX,
+ FX_FLOAT fDeltaY) {
+ m_pOwner->m_iMouseWheel = (int32_t)fDeltaX;
+ m_pOwner->SendEvent();
+ m_pOwner->m_iMouseWheel = 0;
+}
+void CFWL_ScrollBarImpDelegate::DoMouseDown(int32_t iItem,
+ const CFX_RectF& rtItem,
+ int32_t& iState,
+ FX_FLOAT fx,
+ FX_FLOAT fy) {
+ if (!rtItem.Contains(fx, fy)) {
+ return;
+ }
+ if (iState == FWL_PARTSTATE_SCB_Pressed) {
+ return;
+ }
+ iState = FWL_PARTSTATE_SCB_Pressed;
+ m_pOwner->Repaint(&rtItem);
+}
+void CFWL_ScrollBarImpDelegate::DoMouseUp(int32_t iItem,
+ const CFX_RectF& rtItem,
+ int32_t& iState,
+ FX_FLOAT fx,
+ FX_FLOAT fy) {
+ int32_t iNewState = rtItem.Contains(fx, fy) ? FWL_PARTSTATE_SCB_Hovered
+ : FWL_PARTSTATE_SCB_Normal;
+ if (iState == iNewState) {
+ return;
+ }
+ iState = iNewState;
+ m_pOwner->Repaint(&rtItem);
+ m_pOwner->OnScroll(FWL_SCBCODE_EndScroll, m_pOwner->m_fTrackPos);
+}
+void CFWL_ScrollBarImpDelegate::DoMouseMove(int32_t iItem,
+ const CFX_RectF& rtItem,
+ int32_t& iState,
+ FX_FLOAT fx,
+ FX_FLOAT fy) {
+ if (!m_pOwner->m_bMouseDown) {
+ int32_t iNewState = rtItem.Contains(fx, fy) ? FWL_PARTSTATE_SCB_Hovered
+ : FWL_PARTSTATE_SCB_Normal;
+ if (iState == iNewState) {
+ return;
+ }
+ iState = iNewState;
+ m_pOwner->Repaint(&rtItem);
+ } else if ((2 == iItem) &&
+ (m_pOwner->m_iThumbButtonState == FWL_PARTSTATE_SCB_Pressed)) {
+ FX_FLOAT fPos = m_pOwner->GetTrackPointPos(fx, fy);
+ m_pOwner->m_fTrackPos = fPos;
+ m_pOwner->OnScroll(FWL_SCBCODE_TrackPos, fPos);
+ }
+}
+void CFWL_ScrollBarImpDelegate::DoMouseLeave(int32_t iItem,
+ const CFX_RectF& rtItem,
+ int32_t& iState) {
+ if (iState == FWL_PARTSTATE_SCB_Normal) {
+ return;
+ }
+ iState = FWL_PARTSTATE_SCB_Normal;
+ m_pOwner->Repaint(&rtItem);
+}
+void CFWL_ScrollBarImpDelegate::DoMouseHover(int32_t iItem,
+ const CFX_RectF& rtItem,
+ int32_t& iState) {
+ if (iState == FWL_PARTSTATE_SCB_Hovered) {
+ return;
+ }
+ iState = FWL_PARTSTATE_SCB_Hovered;
+ m_pOwner->Repaint(&rtItem);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-02 06:58:02 +0000