// 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 "../../include/pdfwindow/PDFWindow.h"
#include "../../include/pdfwindow/PWL_Wnd.h"
#include "../../include/pdfwindow/PWL_ScrollBar.h"
#include "../../include/pdfwindow/PWL_Utils.h"
#define IsFloatZero(f) ((f) < 0.0001 && (f) > -0.0001)
#define IsFloatBigger(fa,fb) ((fa) > (fb) && !IsFloatZero((fa) - (fb)))
#define IsFloatSmaller(fa,fb) ((fa) < (fb) && !IsFloatZero((fa) - (fb)))
#define IsFloatEqual(fa,fb) IsFloatZero((fa)-(fb))
/* ------------------------------- PWL_FLOATRANGE ------------------------------- */
PWL_FLOATRANGE::PWL_FLOATRANGE()
{
Default();
}
PWL_FLOATRANGE::PWL_FLOATRANGE(FX_FLOAT min,FX_FLOAT max)
{
Set(min,max);
}
void PWL_FLOATRANGE::Default()
{
fMin = 0;
fMax = 0;
}
void PWL_FLOATRANGE::Set(FX_FLOAT min,FX_FLOAT max)
{
if (min > max)
{
fMin = max;
fMax = min;
}
else
{
fMin = min;
fMax = max;
}
}
FX_BOOL PWL_FLOATRANGE::In(FX_FLOAT x) const
{
return (IsFloatBigger(x,fMin) || IsFloatEqual(x, fMin)) &&
(IsFloatSmaller(x, fMax) || IsFloatEqual(x, fMax));
}
FX_FLOAT PWL_FLOATRANGE::GetWidth() const
{
return fMax - fMin;
}
/* ------------------------------- PWL_SCROLL_PRIVATEDATA ------------------------------- */
PWL_SCROLL_PRIVATEDATA::PWL_SCROLL_PRIVATEDATA()
{
Default();
}
void PWL_SCROLL_PRIVATEDATA::Default()
{
ScrollRange.Default();
fScrollPos = ScrollRange.fMin;
fClientWidth = 0;
fBigStep = 10;
fSmallStep = 1;
}
void PWL_SCROLL_PRIVATEDATA::SetScrollRange(FX_FLOAT min,FX_FLOAT max)
{
ScrollRange.Set(min,max);
if (IsFloatSmaller(fScrollPos, ScrollRange.fMin))
fScrollPos = ScrollRange.fMin;
if (IsFloatBigger(fScrollPos, ScrollRange.fMax))
fScrollPos = ScrollRange.fMax;
}
void PWL_SCROLL_PRIVATEDATA::SetClientWidth(FX_FLOAT width)
{
fClientWidth = width;
}
void PWL_SCROLL_PRIVATEDATA::SetSmallStep(FX_FLOAT step)
{
fSmallStep = step;
}
void PWL_SCROLL_PRIVATEDATA::SetBigStep(FX_FLOAT step)
{
fBigStep = step;
}
FX_BOOL PWL_SCROLL_PRIVATEDATA::SetPos(FX_FLOAT pos)
{
if (ScrollRange.In(pos))
{
fScrollPos = pos;
return TRUE;
}
return FALSE;
}
void PWL_SCROLL_PRIVATEDATA::AddSmall()
{
if (!SetPos(fScrollPos + fSmallStep))
SetPos(ScrollRange.fMax);
}
void PWL_SCROLL_PRIVATEDATA::SubSmall()
{
if (!SetPos(fScrollPos - fSmallStep))
SetPos(ScrollRange.fMin);
}
void PWL_SCROLL_PRIVATEDATA::AddBig()
{
if (!SetPos(fScrollPos + fBigStep))
SetPos(ScrollRange.fMax);
}
void PWL_SCROLL_PRIVATEDATA::SubBig()
{
if (!SetPos(fScrollPos - fBigStep))
SetPos(ScrollRange.fMin);
}
/* ------------------------------- CPWL_SBButton ------------------------------- */
CPWL_SBButton::CPWL_SBButton(PWL_SCROLLBAR_TYPE eScrollBarType,PWL_SBBUTTON_TYPE eButtonType)
{
m_eScrollBarType = eScrollBarType;
m_eSBButtonType = eButtonType;
m_bMouseDown = FALSE;
}
CPWL_SBButton::~CPWL_SBButton()
{
}
CFX_ByteString CPWL_SBButton::GetClassName() const
{
return "CPWL_SBButton";
}
void CPWL_SBButton::OnCreate(PWL_CREATEPARAM & cp)
{
cp.eCursorType = FXCT_ARROW;
}
void CPWL_SBButton::GetThisAppearanceStream(CFX_ByteTextBuf & sAppStream)
{
CPWL_Wnd::GetThisAppearanceStream(sAppStream);
if (!IsVisible()) return;
CFX_ByteTextBuf sButton;
CPDF_Rect rectWnd = GetWindowRect();
if (rectWnd.IsEmpty()) return;
sAppStream << "q\n";
CPDF_Point ptCenter = this->GetCenterPoint();
switch (this->m_eScrollBarType)
{
case SBT_HSCROLL:
switch (this->m_eSBButtonType)
{
case PSBT_MIN:
{
CPDF_Point pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,ptCenter.y);
CPDF_Point pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,ptCenter.y + PWL_TRIANGLE_HALFLEN);
CPDF_Point pt3(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,ptCenter.y - PWL_TRIANGLE_HALFLEN);
if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 &&
rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN )
{
sButton << "0 g\n";
sButton << pt1.x << " " << pt1.y << " m\n";
sButton << pt2.x << " " << pt2.y << " l\n";
sButton << pt3.x << " " << pt3.y << " l\n";
sButton << pt1.x << " " << pt1.y << " l f\n";
sAppStream << sButton;
}
}
break;
case PSBT_MAX:
{
CPDF_Point pt1(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,ptCenter.y);
CPDF_Point pt2(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,ptCenter.y + PWL_TRIANGLE_HALFLEN);
CPDF_Point pt3(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,ptCenter.y - PWL_TRIANGLE_HALFLEN);
if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 &&
rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN )
{
sButton << "0 g\n";
sButton << pt1.x << " " << pt1.y << " m\n";
sButton << pt2.x << " " << pt2.y << " l\n";
sButton << pt3.x << " " << pt3.y << " l\n";
sButton << pt1.x << " " << pt1.y << " l f\n";
sAppStream << sButton;
}
}
break;
default:
break;
}
break;
case SBT_VSCROLL:
switch(this->m_eSBButtonType)
{
case PSBT_MIN:
{
CPDF_Point pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN,ptCenter.y - PWL_TRIANGLE_HALFLEN * 0.5f);
CPDF_Point pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN,ptCenter.y - PWL_TRIANGLE_HALFLEN * 0.5f);
CPDF_Point pt3(ptCenter.x,ptCenter.y + PWL_TRIANGLE_HALFLEN * 0.5f);
if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 &&
rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN )
{
sButton << "0 g\n";
sButton << pt1.x << " " << pt1.y << " m\n";
sButton << pt2.x << " " << pt2.y << " l\n";
sButton << pt3.x << " " << pt3.y << " l\n";
sButton << pt1.x << " " << pt1.y << " l f\n";
sAppStream << sButton;
}
}
break;
case PSBT_MAX:
{
CPDF_Point pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN,ptCenter.y + PWL_TRIANGLE_HALFLEN * 0.5f);
CPDF_Point pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN,ptCenter.y + PWL_TRIANGLE_HALFLEN * 0.5f);
CPDF_Point pt3(ptCenter.x,ptCenter.y - PWL_TRIANGLE_HALFLEN * 0.5f);
if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 &&
rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN )
{
sButton << "0 g\n";
sButton << pt1.x << " " << pt1.y << " m\n";
sButton << pt2.x << " " << pt2.y << " l\n";
sButton << pt3.x << " " << pt3.y << " l\n";
sButton << pt1.x << " " << pt1.y << " l f\n";
sAppStream << sButton;
}
}
break;
default:
break;
}
break;
default:
break;
}
sAppStream << "Q\n";
}
void CPWL_SBButton::DrawThisAppearance(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device)
{
if (!IsVisible()) return;
CPDF_Rect rectWnd = GetWindowRect();
if (rectWnd.IsEmpty()) return;
CPDF_Point ptCenter = this->GetCenterPoint();
FX_INT32 nTransparancy = this->GetTransparency();
switch (this->m_eScrollBarType)
{
case SBT_HSCROLL:
CPWL_Wnd::DrawThisAppearance(pDevice,pUser2Device);
switch (this->m_eSBButtonType)
{
case PSBT_MIN:
{
CPDF_Point pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,ptCenter.y);
CPDF_Point pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,ptCenter.y + PWL_TRIANGLE_HALFLEN);
CPDF_Point pt3(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,ptCenter.y - PWL_TRIANGLE_HALFLEN);
if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 &&
rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN )
{
CFX_PathData path;
path.SetPointCount(4);
path.SetPoint(0, pt1.x, pt1.y, FXPT_MOVETO);
path.SetPoint(1, pt2.x, pt2.y, FXPT_LINETO);
path.SetPoint(2, pt3.x, pt3.y, FXPT_LINETO);
path.SetPoint(3, pt1.x, pt1.y, FXPT_LINETO);
pDevice->DrawPath(&path, pUser2Device, NULL,
CPWL_Utils::PWLColorToFXColor(PWL_DEFAULT_BLACKCOLOR,nTransparancy),
0, FXFILL_ALTERNATE);
}
}
break;
case PSBT_MAX:
{
CPDF_Point pt1(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,ptCenter.y);
CPDF_Point pt2(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,ptCenter.y + PWL_TRIANGLE_HALFLEN);
CPDF_Point pt3(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,ptCenter.y - PWL_TRIANGLE_HALFLEN);
if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 &&
rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN )
{
CFX_PathData path;
path.SetPointCount(4);
path.SetPoint(0, pt1.x, pt1.y, FXPT_MOVETO);
path.SetPoint(1, pt2.x, pt2.y, FXPT_LINETO);
path.SetPoint(2, pt3.x, pt3.y, FXPT_LINETO);
path.SetPoint(3, pt1.x, pt1.y, FXPT_LINETO);
pDevice->DrawPath(&path, pUser2Device, NULL,
CPWL_Utils::PWLColorToFXColor(PWL_DEFAULT_BLACKCOLOR,nTransparancy),
0, FXFILL_ALTERNATE);
}
}
break;
default:
break;
}
break;
case SBT_VSCROLL:
switch(this->m_eSBButtonType)
{
case PSBT_MIN:
{
//draw border
CPDF_Rect rcDraw = rectWnd;
CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw,
ArgbEncode(nTransparancy,100,100,100),0.0f);
//draw inner border
rcDraw = CPWL_Utils::DeflateRect(rectWnd,0.5f);
CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw,
ArgbEncode(nTransparancy,255,255,255),1.0f);
//draw background
rcDraw = CPWL_Utils::DeflateRect(rectWnd,1.0f);
if (this->IsEnabled())
CPWL_Utils::DrawShadow(pDevice, pUser2Device, TRUE, FALSE, rcDraw, nTransparancy, 80, 220);
else
CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rcDraw, ArgbEncode(255,255,255,255));
//draw arrow
if (rectWnd.top - rectWnd.bottom > 6.0f )
{
FX_FLOAT fX = rectWnd.left + 1.5f;
FX_FLOAT fY = rectWnd.bottom;
CPDF_Point pts[7] = {
CPDF_Point(fX+2.5f, fY+4.0f),
CPDF_Point(fX+2.5f, fY+3.0f),
CPDF_Point(fX+4.5f, fY+5.0f),
CPDF_Point(fX+6.5f, fY+3.0f),
CPDF_Point(fX+6.5f, fY+4.0f),
CPDF_Point(fX+4.5f, fY+6.0f),
CPDF_Point(fX+2.5f, fY+4.0f)};
if (this->IsEnabled())
CPWL_Utils::DrawFillArea(pDevice, pUser2Device, pts, 7, ArgbEncode(nTransparancy,255,255,255));
else
CPWL_Utils::DrawFillArea(pDevice, pUser2Device, pts, 7,
CPWL_Utils::PWLColorToFXColor(PWL_DEFAULT_HEAVYGRAYCOLOR,255));
}
}
break;
case PSBT_MAX:
{
//draw border
CPDF_Rect rcDraw = rectWnd;
CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw,
ArgbEncode(nTransparancy,100,100,100),0.0f);
//draw inner border
rcDraw = CPWL_Utils::DeflateRect(rectWnd,0.5f);
CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw,
ArgbEncode(nTransparancy,255,255,255),1.0f);
//draw background
rcDraw = CPWL_Utils::DeflateRect(rectWnd,1.0f);
if (this->IsEnabled())
CPWL_Utils::DrawShadow(pDevice, pUser2Device, TRUE, FALSE, rcDraw, nTransparancy, 80, 220);
else
CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rcDraw, ArgbEncode(255,255,255,255));
//draw arrow
if (rectWnd.top - rectWnd.bottom > 6.0f )
{
FX_FLOAT fX = rectWnd.left + 1.5f;
FX_FLOAT fY = rectWnd.bottom;
CPDF_Point pts[7] = {
CPDF_Point(fX+2.5f, fY+5.0f),
CPDF_Point(fX+2.5f, fY+6.0f),
CPDF_Point(fX+4.5f, fY+4.0f),
CPDF_Point(fX+6.5f, fY+6.0f),
CPDF_Point(fX+6.5f, fY+5.0f),
CPDF_Point(fX+4.5f, fY+3.0f),
CPDF_Point(fX+2.5f, fY+5.0f)};
if (this->IsEnabled())
CPWL_Utils::DrawFillArea(pDevice, pUser2Device, pts, 7, ArgbEncode(nTransparancy,255,255,255));
else
CPWL_Utils::DrawFillArea(pDevice, pUser2Device, pts, 7,
CPWL_Utils::PWLColorToFXColor(PWL_DEFAULT_HEAVYGRAYCOLOR,255));
}
}
break;
case PSBT_POS:
{
//CPWL_Wnd::DrawThisAppearance(pDevice,pUser2Device);
//draw border
CPDF_Rect rcDraw = rectWnd;
CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw,
ArgbEncode(nTransparancy,100,100,100),0.0f);
//draw inner border
rcDraw = CPWL_Utils::DeflateRect(rectWnd,0.5f);
CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw,
ArgbEncode(nTransparancy,255,255,255),1.0f);
if (this->IsEnabled())
{
//draw shadow effect
CPDF_Point ptTop = CPDF_Point(rectWnd.left,rectWnd.top-1.0f);
CPDF_Point ptBottom = CPDF_Point(rectWnd.left,rectWnd.bottom+1.0f);
ptTop.x += 1.5f;
ptBottom.x += 1.5f;
CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
ArgbEncode(nTransparancy,210,210,210),1.0f);
ptTop.x += 1.0f;
ptBottom.x += 1.0f;
CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
ArgbEncode(nTransparancy,220,220,220),1.0f);
ptTop.x += 1.0f;
ptBottom.x += 1.0f;
CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
ArgbEncode(nTransparancy,240,240,240),1.0f);
ptTop.x += 1.0f;
ptBottom.x += 1.0f;
CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
ArgbEncode(nTransparancy,240,240,240),1.0f);
ptTop.x += 1.0f;
ptBottom.x += 1.0f;
CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
ArgbEncode(nTransparancy,210,210,210),1.0f);
ptTop.x += 1.0f;
ptBottom.x += 1.0f;
CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
ArgbEncode(nTransparancy,180,180,180),1.0f);
ptTop.x += 1.0f;
ptBottom.x += 1.0f;
CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
ArgbEncode(nTransparancy,150,150,150),1.0f);
ptTop.x += 1.0f;
ptBottom.x += 1.0f;
CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
ArgbEncode(nTransparancy,150,150,150),1.0f);
ptTop.x += 1.0f;
ptBottom.x += 1.0f;
CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
ArgbEncode(nTransparancy,180,180,180),1.0f);
ptTop.x += 1.0f;
ptBottom.x += 1.0f;
CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
ArgbEncode(nTransparancy,210,210,210),1.0f);
}
else
{
CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rcDraw, ArgbEncode(255,255,255,255));
}
//draw friction
if (rectWnd.Height() > 8.0f)
{
FX_COLORREF crStroke = ArgbEncode(nTransparancy,120,120,120);
if (!this->IsEnabled())
crStroke = CPWL_Utils::PWLColorToFXColor(PWL_DEFAULT_HEAVYGRAYCOLOR,255);
FX_FLOAT nFrictionWidth = 5.0f;
FX_FLOAT nFrictionHeight = 5.5f;
CPDF_Point ptLeft = CPDF_Point(ptCenter.x - nFrictionWidth / 2.0f, ptCenter.y - nFrictionHeight / 2.0f + 0.5f);
CPDF_Point ptRight = CPDF_Point(ptCenter.x + nFrictionWidth / 2.0f, ptCenter.y - nFrictionHeight / 2.0f + 0.5f);
CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptLeft, ptRight,
crStroke,1.0f);
ptLeft.y += 2.0f;
ptRight.y += 2.0f;
CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptLeft, ptRight,
crStroke,1.0f);
ptLeft.y += 2.0f;
ptRight.y += 2.0f;
CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptLeft, ptRight,
crStroke,1.0f);
/*
ptLeft.y += 1.5f;
ptRight.y += 1.5f;
CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptLeft, ptRight,
ArgbEncode(nTransparancy,150,150,150),1.0f);
*/
}
}
break;
default:
break;
}
break;
default:
break;
}
}
FX_BOOL CPWL_SBButton::OnLButtonDown(const CPDF_Point & point, FX_DWORD nFlag)
{
CPWL_Wnd::OnLButtonDown(point,nFlag);
if (CPWL_Wnd * pParent = GetParentWindow())
pParent->OnNotify(this,PNM_LBUTTONDOWN,0,(FX_INTPTR)&point);
m_bMouseDown = TRUE;
SetCapture();
return TRUE;
}
FX_BOOL CPWL_SBButton::OnLButtonUp(const CPDF_Point & point, FX_DWORD nFlag)
{
CPWL_Wnd::OnLButtonUp(point,nFlag);
if (CPWL_Wnd * pParent = GetParentWindow())
pParent->OnNotify(this,PNM_LBUTTONUP,0,(FX_INTPTR)&point);
m_bMouseDown = FALSE;
ReleaseCapture();
return TRUE;
}
FX_BOOL CPWL_SBButton::OnMouseMove(const CPDF_Point & point, FX_DWORD nFlag)
{
CPWL_Wnd::OnMouseMove(point,nFlag);
if (CPWL_Wnd * pParent = GetParentWindow())
{
pParent->OnNotify(this,PNM_MOUSEMOVE,0,(FX_INTPTR)&point);
/*
if (m_bMouseDown && (m_eSBButtonType == PSBT_MIN || m_eSBButtonType == PSBT_MAX))
{
if (!pParent->OnNotify(this,PNM_LBUTTONDOWN,nFlags,(FX_INTPTR)&point))
return FALSE;
}
*/
}
return TRUE;
}
/* ------------------------------- CPWL_ScrollBar ---------------------------------- */
CPWL_ScrollBar::CPWL_ScrollBar(PWL_SCROLLBAR_TYPE sbType):
m_sbType(sbType),
m_pMinButton(NULL),
m_pMaxButton(NULL),
m_pPosButton(NULL),
m_bMouseDown(FALSE),
m_bMinOrMax(FALSE),
m_bNotifyForever(TRUE)
{
}
CPWL_ScrollBar::~CPWL_ScrollBar()
{
}
CFX_ByteString CPWL_ScrollBar::GetClassName() const
{
return "CPWL_ScrollBar";
}
void CPWL_ScrollBar::OnCreate(PWL_CREATEPARAM & cp)
{
cp.eCursorType = FXCT_ARROW;
}
void CPWL_ScrollBar::RePosChildWnd()
{
CPDF_Rect rcClient = this->GetClientRect();
/*
switch(m_sbType)
{
case SBT_HSCROLL:
if (rcClient.right - rcClient.left < PWL_SCROLLBAR_WIDTH ||
rcClient.top - rcClient.bottom < PWL_SCROLLBAR_WIDTH)
{
SetVisible(FALSE);
}
break;
case SBT_VSCROLL:
if (rcClient.right - rcClient.left < PWL_SCROLLBAR_WIDTH ||
rcClient.top - rcClient.bottom < PWL_SCROLLBAR_WIDTH)
{
SetVisible(FALSE);
}
break;
}
*/
CPDF_Rect rcMinButton,rcMaxButton;
FX_FLOAT fBWidth = 0;
switch (m_sbType)
{
case SBT_HSCROLL:
if (rcClient.right - rcClient.left > PWL_SCROLLBAR_BUTTON_WIDTH * 2 + PWL_SCROLLBAR_POSBUTTON_MINWIDTH + 2)
{
rcMinButton = CPDF_Rect(rcClient.left,rcClient.bottom,
rcClient.left + PWL_SCROLLBAR_BUTTON_WIDTH,rcClient.top);
rcMaxButton = CPDF_Rect(rcClient.right - PWL_SCROLLBAR_BUTTON_WIDTH,rcClient.bottom,
rcClient.right,rcClient.top);
}
else
{
fBWidth = (rcClient.right - rcClient.left - PWL_SCROLLBAR_POSBUTTON_MINWIDTH - 2) / 2;
if (fBWidth > 0)
{
rcMinButton = CPDF_Rect(rcClient.left,rcClient.bottom,
rcClient.left + fBWidth,rcClient.top);
rcMaxButton = CPDF_Rect(rcClient.right - fBWidth,rcClient.bottom,
rcClient.right,rcClient.top);
}
else SetVisible(FALSE);
}
break;
case SBT_VSCROLL:
if (IsFloatBigger(rcClient.top - rcClient.bottom, PWL_SCROLLBAR_BUTTON_WIDTH * 2 + PWL_SCROLLBAR_POSBUTTON_MINWIDTH + 2))
{
rcMinButton = CPDF_Rect(rcClient.left,rcClient.top - PWL_SCROLLBAR_BUTTON_WIDTH,
rcClient.right,rcClient.top);
rcMaxButton = CPDF_Rect(rcClient.left,rcClient.bottom,
rcClient.right,rcClient.bottom + PWL_SCROLLBAR_BUTTON_WIDTH);
}
else
{
fBWidth = (rcClient.top - rcClient.bottom - PWL_SCROLLBAR_POSBUTTON_MINWIDTH - 2) / 2;
if (IsFloatBigger(fBWidth, 0))
{
rcMinButton = CPDF_Rect(rcClient.left,rcClient.top - fBWidth,
rcClient.right,rcClient.top);
rcMaxButton = CPDF_Rect(rcClient.left,rcClient.bottom,
rcClient.right,rcClient.bottom + fBWidth);
}
else SetVisible(FALSE);
}
break;
}
// if (IsVisible())
{
if (m_pMinButton)
m_pMinButton->Move(rcMinButton,TRUE,FALSE);
if (m_pMaxButton)
m_pMaxButton->Move(rcMaxButton,TRUE,FALSE);
MovePosButton(FALSE);
}
}
void CPWL_ScrollBar::GetThisAppearanceStream(CFX_ByteTextBuf & sAppStream)
{
CPDF_Rect rectWnd = GetWindowRect();
if (IsVisible() && !rectWnd.IsEmpty())
{
CFX_ByteTextBuf sButton;
sButton << "q\n";
sButton << "0 w\n" << CPWL_Utils::GetColorAppStream(GetBackgroundColor(),TRUE);
sButton << rectWnd.left << " " << rectWnd.bottom << " "
<< rectWnd.right - rectWnd.left << " " << rectWnd.top - rectWnd.bottom << " re b Q\n";
sAppStream << sButton;
}
}
void CPWL_ScrollBar::DrawThisAppearance(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device)
{
// CPWL_Wnd::DrawThisAppearance(pDevice,pUser2Device);
CPDF_Rect rectWnd = GetWindowRect();
if (IsVisible() && !rectWnd.IsEmpty())
{
CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rectWnd, this->GetBackgroundColor(), GetTransparency());
CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device,
CPDF_Point(rectWnd.left+2.0f,rectWnd.top-2.0f), CPDF_Point(rectWnd.left+2.0f,rectWnd.bottom+2.0f),
ArgbEncode(this->GetTransparency(),100,100,100),1.0f);
CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device,
CPDF_Point(rectWnd.right-2.0f,rectWnd.top-2.0f), CPDF_Point(rectWnd.right-2.0f,rectWnd.bottom+2.0f),
ArgbEncode(this->GetTransparency(),100,100,100),1.0f);
}
}
FX_BOOL CPWL_ScrollBar::OnLButtonDown(const CPDF_Point & point, FX_DWORD nFlag)
{
CPWL_Wnd::OnLButtonDown(point,nFlag);
//SetFocus();
if (HasFlag(PWS_AUTOTRANSPARENT))
{
if (GetTransparency() != 255)
{
SetTransparency(255);
InvalidateRect();
}
}
CPDF_Rect rcMinArea,rcMaxArea;
if (m_pPosButton && m_pPosButton->IsVisible())
{
CPDF_Rect rcClient = this->GetClientRect();
CPDF_Rect rcPosButton = m_pPosButton->GetWindowRect();
switch (m_sbType)
{
case SBT_HSCROLL:
rcMinArea = CPDF_Rect(rcClient.left + PWL_SCROLLBAR_BUTTON_WIDTH,rcClient.bottom,
rcPosButton.left,rcClient.top);
rcMaxArea = CPDF_Rect(rcPosButton.right,rcClient.bottom,
rcClient.right - PWL_SCROLLBAR_BUTTON_WIDTH,rcClient.top);
break;
case SBT_VSCROLL:
rcMinArea = CPDF_Rect(rcClient.left,rcPosButton.top,
rcClient.right,rcClient.top - PWL_SCROLLBAR_BUTTON_WIDTH);
rcMaxArea = CPDF_Rect(rcClient.left,rcClient.bottom + PWL_SCROLLBAR_BUTTON_WIDTH,
rcClient.right,rcPosButton.bottom);
break;
}
rcMinArea.Normalize();
rcMaxArea.Normalize();
if (rcMinArea.Contains(point.x,point.y))
{
m_sData.SubBig();
MovePosButton(TRUE);
NotifyScrollWindow();
}
if (rcMaxArea.Contains(point.x,point.y))
{
m_sData.AddBig();
MovePosButton(TRUE);
NotifyScrollWindow();
}
}
return TRUE;
}
FX_BOOL CPWL_ScrollBar::OnLButtonUp(const CPDF_Point & point, FX_DWORD nFlag)
{
CPWL_Wnd::OnLButtonUp(point,nFlag);
if (HasFlag(PWS_AUTOTRANSPARENT))
{
if (GetTransparency() != PWL_SCROLLBAR_TRANSPARANCY)
{
SetTransparency(PWL_SCROLLBAR_TRANSPARANCY);
InvalidateRect();
}
}
EndTimer();
m_bMouseDown = FALSE;
return TRUE;
}
void CPWL_ScrollBar::OnNotify(CPWL_Wnd* pWnd, FX_DWORD msg, FX_INTPTR wParam, FX_INTPTR lParam)
{
CPWL_Wnd::OnNotify(pWnd,msg,wParam,lParam);
switch (msg)
{
case PNM_LBUTTONDOWN:
if (pWnd == m_pMinButton)
{
OnMinButtonLBDown(*(CPDF_Point*)lParam);
}
if (pWnd == m_pMaxButton)
{
OnMaxButtonLBDown(*(CPDF_Point*)lParam);
}
if (pWnd == m_pPosButton)
{
OnPosButtonLBDown(*(CPDF_Point*)lParam);
}
break;
case PNM_LBUTTONUP:
if (pWnd == m_pMinButton)
{
OnMinButtonLBUp(*(CPDF_Point*)lParam);
}
if (pWnd == m_pMaxButton)
{
OnMaxButtonLBUp(*(CPDF_Point*)lParam);
}
if (pWnd == m_pPosButton)
{
OnPosButtonLBUp(*(CPDF_Point*)lParam);
}
break;
case PNM_MOUSEMOVE:
if (pWnd == m_pMinButton)
{
OnMinButtonMouseMove(*(CPDF_Point*)lParam);
}
if (pWnd == m_pMaxButton)
{
OnMaxButtonMouseMove(*(CPDF_Point*)lParam);
}
if (pWnd == m_pPosButton)
{
OnPosButtonMouseMove(*(CPDF_Point*)lParam);
}
break;
case PNM_SETSCROLLINFO:
{
if (PWL_SCROLL_INFO * pInfo = (PWL_SCROLL_INFO*)lParam)
{
if (FXSYS_memcmp(&m_OriginInfo, pInfo, sizeof(PWL_SCROLL_INFO)) != 0)
{
m_OriginInfo = *pInfo;
FX_FLOAT fMax = pInfo->fContentMax - pInfo->fContentMin - pInfo->fPlateWidth;
fMax = fMax > 0.0f ? fMax : 0.0f;
this->SetScrollRange(0,fMax, pInfo->fPlateWidth);
this->SetScrollStep(pInfo->fBigStep,pInfo->fSmallStep);
}
}
}
break;
case PNM_SETSCROLLPOS:
{
FX_FLOAT fPos = *(FX_FLOAT*)lParam;
switch (this->m_sbType)
{
case SBT_HSCROLL:
fPos = fPos - m_OriginInfo.fContentMin;
break;
case SBT_VSCROLL:
fPos = m_OriginInfo.fContentMax - fPos;
break;
}
this->SetScrollPos(fPos);
}
break;
}
}
void CPWL_ScrollBar::CreateButtons(const PWL_CREATEPARAM & cp)
{
PWL_CREATEPARAM scp = cp;
scp.pParentWnd = this;
scp.dwBorderWidth = 2;
scp.nBorderStyle = PBS_BEVELED;
scp.dwFlags = PWS_VISIBLE | PWS_CHILD | PWS_BORDER | PWS_BACKGROUND | PWS_NOREFRESHCLIP;
if (!m_pMinButton)
{
m_pMinButton = new CPWL_SBButton(m_sbType,PSBT_MIN);
m_pMinButton->Create(scp);
}
if (!m_pMaxButton)
{
m_pMaxButton = new CPWL_SBButton(m_sbType,PSBT_MAX);
m_pMaxButton->Create(scp);
}
if (!m_pPosButton)
{
m_pPosButton = new CPWL_SBButton(m_sbType,PSBT_POS);
m_pPosButton->SetVisible(FALSE);
m_pPosButton->Create(scp);
}
}
FX_FLOAT CPWL_ScrollBar::GetScrollBarWidth() const
{
if (!IsVisible()) return 0;
return PWL_SCROLLBAR_WIDTH;
}
void CPWL_ScrollBar::SetScrollRange(FX_FLOAT fMin,FX_FLOAT fMax,FX_FLOAT fClientWidth)
{
if (m_pPosButton)
{
m_sData.SetScrollRange(fMin,fMax);
m_sData.SetClientWidth(fClientWidth);
if (IsFloatSmaller(m_sData.ScrollRange.GetWidth(), 0.0f))
{
m_pPosButton->SetVisible(FALSE);
}
else
{
m_pPosButton->SetVisible(TRUE);
MovePosButton(TRUE);
}
}
}
void CPWL_ScrollBar::SetScrollPos(FX_FLOAT fPos)
{
FX_FLOAT fOldPos = m_sData.fScrollPos;
m_sData.SetPos(fPos);
if (!IsFloatEqual(m_sData.fScrollPos, fOldPos))
MovePosButton(TRUE);
}
void CPWL_ScrollBar::SetScrollStep(FX_FLOAT fBigStep,FX_FLOAT fSmallStep)
{
m_sData.SetBigStep(fBigStep);
m_sData.SetSmallStep(fSmallStep);
}
void CPWL_ScrollBar::MovePosButton(FX_BOOL bRefresh)
{
ASSERT (m_pPosButton != NULL);
ASSERT (m_pMinButton != NULL);
ASSERT (m_pMaxButton != NULL);
if (m_pPosButton->IsVisible())
{
CPDF_Rect rcClient;
CPDF_Rect rcPosArea,rcPosButton;
rcClient = this->GetClientRect();
rcPosArea = GetScrollArea();
FX_FLOAT fLeft,fRight,fTop,fBottom;
switch (m_sbType)
{
case SBT_HSCROLL:
fLeft = TrueToFace(m_sData.fScrollPos);
fRight = TrueToFace(m_sData.fScrollPos + m_sData.fClientWidth);
if (fRight - fLeft < PWL_SCROLLBAR_POSBUTTON_MINWIDTH)
fRight = fLeft + PWL_SCROLLBAR_POSBUTTON_MINWIDTH;
if (fRight > rcPosArea.right)
{
fRight = rcPosArea.right;
fLeft = fRight - PWL_SCROLLBAR_POSBUTTON_MINWIDTH;
}
rcPosButton = CPDF_Rect(fLeft ,
rcPosArea.bottom,
fRight ,
rcPosArea.top);
break;
case SBT_VSCROLL:
fBottom = TrueToFace(m_sData.fScrollPos + m_sData.fClientWidth);
fTop = TrueToFace(m_sData.fScrollPos);
if (IsFloatSmaller(fTop - fBottom, PWL_SCROLLBAR_POSBUTTON_MINWIDTH))
fBottom = fTop - PWL_SCROLLBAR_POSBUTTON_MINWIDTH;
if (IsFloatSmaller(fBottom, rcPosArea.bottom))
{
fBottom = rcPosArea.bottom;
fTop = fBottom + PWL_SCROLLBAR_POSBUTTON_MINWIDTH;
}
rcPosButton = CPDF_Rect(rcPosArea.left,
fBottom,
rcPosArea.right,
fTop);
break;
}
m_pPosButton->Move(rcPosButton,TRUE,bRefresh);
}
}
void CPWL_ScrollBar::OnMinButtonLBDown(const CPDF_Point & point)
{
m_sData.SubSmall();
MovePosButton(TRUE);
NotifyScrollWindow();
m_bMinOrMax = TRUE;
EndTimer();
BeginTimer(100);
}
void CPWL_ScrollBar::OnMinButtonLBUp(const CPDF_Point & point)
{
}
void CPWL_ScrollBar::OnMinButtonMouseMove(const CPDF_Point & point)
{
}
void CPWL_ScrollBar::OnMaxButtonLBDown(const CPDF_Point & point)
{
m_sData.AddSmall();
MovePosButton(TRUE);
NotifyScrollWindow();
m_bMinOrMax = FALSE;
EndTimer();
BeginTimer(100);
}
void CPWL_ScrollBar::OnMaxButtonLBUp(const CPDF_Point & point)
{
}
void CPWL_ScrollBar::OnMaxButtonMouseMove(const CPDF_Point & point)
{
}
void CPWL_ScrollBar::OnPosButtonLBDown(const CPDF_Point & point)
{
m_bMouseDown = TRUE;
if (m_pPosButton)
{
CPDF_Rect rcPosButton = m_pPosButton->GetWindowRect();
switch(m_sbType)
{
case SBT_HSCROLL:
m_nOldPos = point.x;
m_fOldPosButton = rcPosButton.left;
break;
case SBT_VSCROLL:
m_nOldPos = point.y;
m_fOldPosButton = rcPosButton.top;
break;
}
}
}
void CPWL_ScrollBar::OnPosButtonLBUp(const CPDF_Point & point)
{
if (m_bMouseDown)
{
if (!m_bNotifyForever)
NotifyScrollWindow();
}
m_bMouseDown = FALSE;
}
void CPWL_ScrollBar::OnPosButtonMouseMove(const CPDF_Point & point)
{
FX_FLOAT fOldScrollPos = m_sData.fScrollPos;
FX_FLOAT fNewPos = 0;
switch (m_sbType)
{
case SBT_HSCROLL:
if (FXSYS_fabs(point.x - m_nOldPos) < 1) return;
fNewPos = FaceToTrue(m_fOldPosButton + point.x - m_nOldPos);
break;
case SBT_VSCROLL:
if (FXSYS_fabs(point.y - m_nOldPos) < 1) return;
fNewPos = FaceToTrue(m_fOldPosButton + point.y - m_nOldPos);
break;
}
if (m_bMouseDown)
{
switch (m_sbType)
{
case SBT_HSCROLL:
if (IsFloatSmaller(fNewPos, m_sData.ScrollRange.fMin))
{
fNewPos = m_sData.ScrollRange.fMin;
}
if (IsFloatBigger(fNewPos, m_sData.ScrollRange.fMax))
{
fNewPos = m_sData.ScrollRange.fMax;
}
m_sData.SetPos(fNewPos);
break;
case SBT_VSCROLL:
if (IsFloatSmaller(fNewPos, m_sData.ScrollRange.fMin))
{
fNewPos = m_sData.ScrollRange.fMin;
}
if (IsFloatBigger(fNewPos, m_sData.ScrollRange.fMax))
{
fNewPos = m_sData.ScrollRange.fMax;
}
m_sData.SetPos(fNewPos);
break;
}
if (!IsFloatEqual(fOldScrollPos, m_sData.fScrollPos))
{
MovePosButton(TRUE);
if (m_bNotifyForever)
NotifyScrollWindow();
}
}
}
void CPWL_ScrollBar::NotifyScrollWindow()
{
if (CPWL_Wnd * pParent = this->GetParentWindow())
{
FX_FLOAT fPos;
switch (this->m_sbType)
{
case SBT_HSCROLL:
fPos = m_OriginInfo.fContentMin + m_sData.fScrollPos;
break;
case SBT_VSCROLL:
fPos = m_OriginInfo.fContentMax - m_sData.fScrollPos;
break;
}
pParent->OnNotify(this,PNM_SCROLLWINDOW,(FX_INTPTR)m_sbType,(FX_INTPTR)&fPos);
}
}
CPDF_Rect CPWL_ScrollBar::GetScrollArea() const
{
CPDF_Rect rcClient = GetClientRect();
CPDF_Rect rcArea;
if (!m_pMinButton || !m_pMaxButton)return rcClient;
CPDF_Rect rcMin = m_pMinButton->GetWindowRect();
CPDF_Rect rcMax = m_pMaxButton->GetWindowRect();
FX_FLOAT fMinWidth = rcMin.right - rcMin.left;
FX_FLOAT fMinHeight = rcMin.top - rcMin.bottom;
FX_FLOAT fMaxWidth = rcMax.right - rcMax.left;
FX_FLOAT fMaxHeight = rcMax.top - rcMax.bottom;
switch(m_sbType)
{
case SBT_HSCROLL:
if (rcClient.right - rcClient.left > fMinWidth + fMaxWidth + 2)
{
rcArea = CPDF_Rect(rcClient.left + fMinWidth + 1,rcClient.bottom,
rcClient.right - fMaxWidth - 1,rcClient.top);
}
else
{
rcArea = CPDF_Rect(rcClient.left + fMinWidth + 1,rcClient.bottom,
rcClient.left + fMinWidth + 1,rcClient.top);
}
break;
case SBT_VSCROLL:
if (rcClient.top - rcClient.bottom > fMinHeight + fMaxHeight + 2)
{
rcArea = CPDF_Rect(rcClient.left,rcClient.bottom + fMinHeight + 1,
rcClient.right,rcClient.top - fMaxHeight - 1);
}
else
{
rcArea = CPDF_Rect(rcClient.left,rcClient.bottom + fMinHeight + 1,
rcClient.right,rcClient.bottom + fMinHeight + 1);
}
break;
}
rcArea.Normalize();
return rcArea;
}
FX_FLOAT CPWL_ScrollBar::TrueToFace(FX_FLOAT fTrue)
{
CPDF_Rect rcPosArea;
rcPosArea = GetScrollArea();
FX_FLOAT fFactWidth = m_sData.ScrollRange.GetWidth() + m_sData.fClientWidth;
fFactWidth = fFactWidth == 0 ? 1 : fFactWidth;
FX_FLOAT fFace = 0;
switch(m_sbType)
{
case SBT_HSCROLL:
fFace = rcPosArea.left + fTrue * (rcPosArea.right - rcPosArea.left) / fFactWidth;
break;
case SBT_VSCROLL:
fFace = rcPosArea.top - fTrue * (rcPosArea.top - rcPosArea.bottom) / fFactWidth;
break;
}
return fFace;
}
FX_FLOAT CPWL_ScrollBar::FaceToTrue(FX_FLOAT fFace)
{
CPDF_Rect rcPosArea;
rcPosArea = GetScrollArea();
FX_FLOAT fFactWidth = m_sData.ScrollRange.GetWidth() + m_sData.fClientWidth;
fFactWidth = fFactWidth == 0 ? 1 : fFactWidth;
FX_FLOAT fTrue = 0;
switch(m_sbType)
{
case SBT_HSCROLL:
fTrue = (fFace - rcPosArea.left) * fFactWidth / (rcPosArea.right - rcPosArea.left);
break;
case SBT_VSCROLL:
fTrue = (rcPosArea.top - fFace) * fFactWidth / (rcPosArea.top - rcPosArea.bottom);
break;
}
return fTrue;
}
void CPWL_ScrollBar::CreateChildWnd(const PWL_CREATEPARAM & cp)
{
CreateButtons(cp);
}
void CPWL_ScrollBar::TimerProc()
{
PWL_SCROLL_PRIVATEDATA sTemp = m_sData;
if (m_bMinOrMax)m_sData.SubSmall();
else m_sData.AddSmall();
if (FXSYS_memcmp(&m_sData, &sTemp, sizeof(PWL_SCROLL_PRIVATEDATA)) != 0)
{
MovePosButton(TRUE);
NotifyScrollWindow();
}
}
/*
void CPWL_ScrollBar::OnSetFocus()
{
if (GetTransparency() != 255)
{
SetTransparency(255);
InvalidateRect();
}
}
void CPWL_ScrollBar::OnKillFocus()
{
if (GetTransparency() != PWL_SCROLLBAR_TRANSPARANCY)
{
SetTransparency(PWL_SCROLLBAR_TRANSPARANCY);
InvalidateRect();
}
}
*/