// 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_EditCtrl.h" | |
#include "../../include/pdfwindow/PWL_Edit.h" | |
#include "../../include/pdfwindow/PWL_ListBox.h" | |
#include "../../include/pdfwindow/PWL_ComboBox.h" | |
#include "../../include/pdfwindow/PWL_Utils.h" | |
#define PWLCB_DEFAULTFONTSIZE 12.0f | |
#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)) | |
/* ---------------------------- CPWL_CBListBox ---------------------------- */ | |
FX_BOOL CPWL_CBListBox::OnLButtonUp(const CPDF_Point & point, FX_DWORD nFlag) | |
{ | |
CPWL_Wnd::OnLButtonUp(point,nFlag); | |
if (m_bMouseDown) | |
{ | |
ReleaseCapture(); | |
m_bMouseDown = FALSE; | |
if (this->ClientHitTest(point)) | |
{ | |
if (CPWL_Wnd * pParent = GetParentWindow()) | |
{ | |
pParent->OnNotify(this,PNM_LBUTTONUP,0,PWL_MAKEDWORD(point.x,point.y)); | |
} | |
FX_BOOL bExit = FALSE; | |
OnNotifySelChanged(FALSE,bExit, nFlag); | |
if (bExit) return FALSE; | |
} | |
} | |
return TRUE; | |
} | |
FX_BOOL CPWL_CBListBox::OnKeyDown(FX_WORD nChar, FX_BOOL & bExit, FX_DWORD nFlag) | |
{ | |
if (!m_pList) return FALSE; | |
switch (nChar) | |
{ | |
default: | |
return FALSE; | |
case FWL_VKEY_Up: | |
case FWL_VKEY_Down: | |
case FWL_VKEY_Home: | |
case FWL_VKEY_Left: | |
case FWL_VKEY_End: | |
case FWL_VKEY_Right: | |
break; | |
} | |
switch (nChar) | |
{ | |
case FWL_VKEY_Up: | |
m_pList->OnVK_UP(IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag)); | |
break; | |
case FWL_VKEY_Down: | |
m_pList->OnVK_DOWN(IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag)); | |
break; | |
case FWL_VKEY_Home: | |
m_pList->OnVK_HOME(IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag)); | |
break; | |
case FWL_VKEY_Left: | |
m_pList->OnVK_LEFT(IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag)); | |
break; | |
case FWL_VKEY_End: | |
m_pList->OnVK_END(IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag)); | |
break; | |
case FWL_VKEY_Right: | |
m_pList->OnVK_RIGHT(IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag)); | |
break; | |
case FWL_VKEY_Delete: | |
break; | |
} | |
OnNotifySelChanged(TRUE,bExit, nFlag); | |
return TRUE; | |
} | |
FX_BOOL CPWL_CBListBox::OnChar(FX_WORD nChar, FX_BOOL & bExit, FX_DWORD nFlag) | |
{ | |
if (!m_pList) return FALSE; | |
if (!m_pList->OnChar(nChar,IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag))) return FALSE; | |
if (CPWL_ComboBox* pComboBox = (CPWL_ComboBox*)GetParentWindow()) | |
{ | |
pComboBox->SetSelectText(); | |
} | |
OnNotifySelChanged(TRUE,bExit,nFlag); | |
return TRUE; | |
} | |
/* ---------------------------- CPWL_CBButton ---------------------------- */ | |
void CPWL_CBButton::GetThisAppearanceStream(CFX_ByteTextBuf & sAppStream) | |
{ | |
CPWL_Wnd::GetThisAppearanceStream(sAppStream); | |
CPDF_Rect rectWnd = CPWL_Wnd::GetWindowRect(); | |
if (IsVisible() && !rectWnd.IsEmpty()) | |
{ | |
CFX_ByteTextBuf sButton; | |
CPDF_Point ptCenter = this->GetCenterPoint(); | |
CPDF_Point pt1(ptCenter.x - PWL_CBBUTTON_TRIANGLE_HALFLEN,ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f); | |
CPDF_Point pt2(ptCenter.x + PWL_CBBUTTON_TRIANGLE_HALFLEN,ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f); | |
CPDF_Point pt3(ptCenter.x,ptCenter.y - PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f); | |
if (IsFloatBigger(rectWnd.right - rectWnd.left,PWL_CBBUTTON_TRIANGLE_HALFLEN * 2) | |
&& | |
IsFloatBigger(rectWnd.top - rectWnd.bottom,PWL_CBBUTTON_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 << "q\n" << sButton << "Q\n"; | |
} | |
} | |
} | |
void CPWL_CBButton::DrawThisAppearance(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device) | |
{ | |
CPWL_Wnd::DrawThisAppearance(pDevice,pUser2Device); | |
CPDF_Rect rectWnd = CPWL_Wnd::GetWindowRect(); | |
if (IsVisible() && !rectWnd.IsEmpty()) | |
{ | |
CPDF_Point ptCenter = this->GetCenterPoint(); | |
CPDF_Point pt1(ptCenter.x - PWL_CBBUTTON_TRIANGLE_HALFLEN,ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f); | |
CPDF_Point pt2(ptCenter.x + PWL_CBBUTTON_TRIANGLE_HALFLEN,ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f); | |
CPDF_Point pt3(ptCenter.x,ptCenter.y - PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f); | |
if (IsFloatBigger(rectWnd.right - rectWnd.left,PWL_CBBUTTON_TRIANGLE_HALFLEN * 2) | |
&& | |
IsFloatBigger(rectWnd.top - rectWnd.bottom,PWL_CBBUTTON_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,GetTransparency()), | |
0, FXFILL_ALTERNATE); | |
} | |
} | |
} | |
FX_BOOL CPWL_CBButton::OnLButtonDown(const CPDF_Point & point, FX_DWORD nFlag) | |
{ | |
CPWL_Wnd::OnLButtonDown(point,nFlag); | |
SetCapture(); | |
if (CPWL_Wnd * pParent = GetParentWindow()) | |
{ | |
pParent->OnNotify(this,PNM_LBUTTONDOWN,0,PWL_MAKEDWORD(point.x,point.y)); | |
} | |
return TRUE; | |
} | |
FX_BOOL CPWL_CBButton::OnLButtonUp(const CPDF_Point & point, FX_DWORD nFlag) | |
{ | |
CPWL_Wnd::OnLButtonUp(point, nFlag); | |
ReleaseCapture(); | |
return TRUE; | |
} | |
/* ---------------------------- CPWL_ComboBox ---------------------------- */ | |
CPWL_ComboBox::CPWL_ComboBox() : m_pEdit(NULL), | |
m_pButton(NULL), | |
m_pList(NULL), | |
m_bPopup(FALSE), | |
m_nPopupWhere(0), | |
m_nSelectItem(-1), | |
m_pFillerNotify(NULL) | |
{ | |
} | |
CFX_ByteString CPWL_ComboBox::GetClassName() const | |
{ | |
return "CPWL_ComboBox"; | |
} | |
void CPWL_ComboBox::OnCreate(PWL_CREATEPARAM & cp) | |
{ | |
cp.dwFlags &= ~PWS_HSCROLL; | |
cp.dwFlags &= ~PWS_VSCROLL; | |
} | |
void CPWL_ComboBox::SetFocus() | |
{ | |
if (m_pEdit) | |
m_pEdit->SetFocus(); | |
} | |
void CPWL_ComboBox::KillFocus() | |
{ | |
SetPopup(FALSE); | |
CPWL_Wnd::KillFocus(); | |
} | |
CFX_WideString CPWL_ComboBox::GetText() const | |
{ | |
if (m_pEdit) | |
{ | |
return m_pEdit->GetText(); | |
} | |
return CFX_WideString(); | |
} | |
void CPWL_ComboBox::SetText(FX_LPCWSTR text) | |
{ | |
if (m_pEdit) | |
m_pEdit->SetText(text); | |
} | |
void CPWL_ComboBox::AddString(FX_LPCWSTR string) | |
{ | |
if (m_pList) | |
m_pList->AddString(string); | |
} | |
FX_INT32 CPWL_ComboBox::GetSelect() const | |
{ | |
return m_nSelectItem; | |
} | |
void CPWL_ComboBox::SetSelect(FX_INT32 nItemIndex) | |
{ | |
if (m_pList) | |
m_pList->Select(nItemIndex); | |
m_pEdit->SetText(m_pList->GetText()); | |
m_nSelectItem = nItemIndex; | |
} | |
void CPWL_ComboBox::SetEditSel(FX_INT32 nStartChar,FX_INT32 nEndChar) | |
{ | |
if (m_pEdit) | |
{ | |
m_pEdit->SetSel(nStartChar,nEndChar); | |
} | |
} | |
void CPWL_ComboBox::GetEditSel(FX_INT32 & nStartChar, FX_INT32 & nEndChar) const | |
{ | |
nStartChar = -1; | |
nEndChar = -1; | |
if (m_pEdit) | |
{ | |
m_pEdit->GetSel(nStartChar,nEndChar); | |
} | |
} | |
void CPWL_ComboBox::Clear() | |
{ | |
if (m_pEdit) | |
{ | |
m_pEdit->Clear(); | |
} | |
} | |
void CPWL_ComboBox::CreateChildWnd(const PWL_CREATEPARAM & cp) | |
{ | |
CreateEdit(cp); | |
CreateButton(cp); | |
CreateListBox(cp); | |
} | |
void CPWL_ComboBox::CreateEdit(const PWL_CREATEPARAM & cp) | |
{ | |
if (!m_pEdit) | |
{ | |
m_pEdit = new CPWL_CBEdit; | |
m_pEdit->AttachFFLData(m_pFormFiller); | |
PWL_CREATEPARAM ecp = cp; | |
ecp.pParentWnd = this; | |
ecp.dwFlags = PWS_VISIBLE | PWS_CHILD | PWS_BORDER | PES_CENTER | PES_AUTOSCROLL | PES_UNDO; | |
if (HasFlag(PWS_AUTOFONTSIZE)) | |
ecp.dwFlags |= PWS_AUTOFONTSIZE; | |
if (!HasFlag(PCBS_ALLOWCUSTOMTEXT)) | |
ecp.dwFlags |= PWS_READONLY; | |
ecp.rcRectWnd = CPDF_Rect(0,0,0,0); | |
ecp.dwBorderWidth = 0; | |
ecp.nBorderStyle = PBS_SOLID; | |
m_pEdit->Create(ecp); | |
} | |
} | |
void CPWL_ComboBox::CreateButton(const PWL_CREATEPARAM & cp) | |
{ | |
if (!m_pButton) | |
{ | |
m_pButton = new CPWL_CBButton; | |
PWL_CREATEPARAM bcp = cp; | |
bcp.pParentWnd = this; | |
bcp.dwFlags = PWS_VISIBLE | PWS_CHILD | PWS_BORDER | PWS_BACKGROUND; | |
bcp.sBackgroundColor = PWL_SCROLLBAR_BKCOLOR; | |
bcp.sBorderColor = PWL_DEFAULT_BLACKCOLOR; | |
bcp.dwBorderWidth = 2; | |
bcp.nBorderStyle = PBS_BEVELED; | |
bcp.eCursorType = FXCT_ARROW; | |
m_pButton->Create(bcp); | |
} | |
} | |
void CPWL_ComboBox::CreateListBox(const PWL_CREATEPARAM & cp) | |
{ | |
if (!m_pList) | |
{ | |
m_pList = new CPWL_CBListBox; | |
m_pList->AttachFFLData(m_pFormFiller); | |
PWL_CREATEPARAM lcp = cp; | |
lcp.pParentWnd = this; | |
lcp.dwFlags = PWS_CHILD | PWS_BORDER | PWS_BACKGROUND | PLBS_HOVERSEL | PWS_VSCROLL; | |
lcp.nBorderStyle = PBS_SOLID; | |
lcp.dwBorderWidth = 1; | |
lcp.eCursorType = FXCT_ARROW; | |
lcp.rcRectWnd = CPDF_Rect(0,0,0,0); | |
if (cp.dwFlags & PWS_AUTOFONTSIZE) | |
lcp.fFontSize = PWLCB_DEFAULTFONTSIZE; | |
else | |
lcp.fFontSize = cp.fFontSize; | |
if (cp.sBorderColor.nColorType == COLORTYPE_TRANSPARENT) | |
lcp.sBorderColor = PWL_DEFAULT_BLACKCOLOR; | |
if (cp.sBackgroundColor.nColorType == COLORTYPE_TRANSPARENT) | |
lcp.sBackgroundColor = PWL_DEFAULT_WHITECOLOR; | |
m_pList->Create(lcp); | |
} | |
} | |
void CPWL_ComboBox::RePosChildWnd() | |
{ | |
CPDF_Rect rcClient = GetClientRect(); | |
if (m_bPopup) | |
{ | |
CPDF_Rect rclient = GetClientRect(); | |
CPDF_Rect rcButton = rclient; | |
CPDF_Rect rcEdit = rcClient; | |
CPDF_Rect rcList = CPWL_Wnd::GetWindowRect(); | |
FX_FLOAT fOldWindowHeight = m_rcOldWindow.Height(); | |
FX_FLOAT fOldClientHeight = fOldWindowHeight - GetBorderWidth() * 2; | |
switch (m_nPopupWhere) | |
{ | |
case 0: | |
rcButton.left = rcButton.right - PWL_COMBOBOX_BUTTON_WIDTH; | |
if (rcButton.left < rclient.left) | |
rcButton.left = rclient.left; | |
rcButton.bottom = rcButton.top - fOldClientHeight; | |
rcEdit.right = rcButton.left - 1.0f; | |
if (rcEdit.left < rclient.left) | |
rcEdit.left = rclient.left; | |
if (rcEdit.right < rcEdit.left) | |
rcEdit.right = rcEdit.left; | |
rcEdit.bottom = rcEdit.top - fOldClientHeight; | |
rcList.top -= fOldWindowHeight; | |
break; | |
case 1: | |
rcButton.left = rcButton.right - PWL_COMBOBOX_BUTTON_WIDTH; | |
if (rcButton.left < rclient.left) | |
rcButton.left = rclient.left; | |
rcButton.top = rcButton.bottom + fOldClientHeight; | |
rcEdit.right = rcButton.left - 1.0f; | |
if (rcEdit.left < rclient.left) | |
rcEdit.left = rclient.left; | |
if (rcEdit.right < rcEdit.left) | |
rcEdit.right = rcEdit.left; | |
rcEdit.top = rcEdit.bottom + fOldClientHeight; | |
rcList.bottom += fOldWindowHeight; | |
break; | |
} | |
if (m_pButton) | |
m_pButton->Move(rcButton,TRUE,FALSE); | |
if (m_pEdit) | |
m_pEdit->Move(rcEdit,TRUE,FALSE); | |
if (m_pList) | |
{ | |
m_pList->SetVisible(TRUE); | |
m_pList->Move(rcList,TRUE,FALSE); | |
m_pList->ScrollToListItem(m_nSelectItem); | |
} | |
} | |
else | |
{ | |
CPDF_Rect rcButton = rcClient; | |
rcButton.left = rcButton.right - PWL_COMBOBOX_BUTTON_WIDTH; | |
if (rcButton.left < rcClient.left) | |
rcButton.left = rcClient.left; | |
if (m_pButton) | |
m_pButton->Move(rcButton,TRUE,FALSE); | |
CPDF_Rect rcEdit = rcClient; | |
rcEdit.right = rcButton.left - 1.0f; | |
if (rcEdit.left < rcClient.left) | |
rcEdit.left = rcClient.left; | |
if (rcEdit.right < rcEdit.left) | |
rcEdit.right = rcEdit.left; | |
if (m_pEdit) | |
m_pEdit->Move(rcEdit,TRUE,FALSE); | |
if (m_pList) | |
m_pList->SetVisible(FALSE); | |
} | |
} | |
void CPWL_ComboBox::SelectAll() | |
{ | |
if (m_pEdit && HasFlag(PCBS_ALLOWCUSTOMTEXT)) | |
m_pEdit->SelectAll(); | |
} | |
CPDF_Rect CPWL_ComboBox::GetFocusRect() const | |
{ | |
return CPDF_Rect(); | |
} | |
void CPWL_ComboBox::SetPopup(FX_BOOL bPopup) | |
{ | |
if (!m_pList) return; | |
if (bPopup == m_bPopup) return; | |
FX_FLOAT fListHeight = m_pList->GetContentRect().Height(); | |
if (!IsFloatBigger(fListHeight,0.0f)) return; | |
if (bPopup) | |
{ | |
if (m_pFillerNotify) | |
{ | |
FX_INT32 nWhere = 0; | |
FX_FLOAT fPopupRet = 0.0f; | |
FX_FLOAT fPopupMin = 0.0f; | |
if (m_pList->GetCount() > 3) | |
fPopupMin = m_pList->GetFirstHeight() * 3 + m_pList->GetBorderWidth() * 2; | |
FX_FLOAT fPopupMax = fListHeight + m_pList->GetBorderWidth() * 2; | |
m_pFillerNotify->QueryWherePopup(GetAttachedData(), fPopupMin,fPopupMax,nWhere,fPopupRet); | |
if (IsFloatBigger(fPopupRet,0.0f)) | |
{ | |
m_bPopup = bPopup; | |
CPDF_Rect rcWindow = CPWL_Wnd::GetWindowRect(); | |
m_rcOldWindow = rcWindow; | |
switch (nWhere) | |
{ | |
default: | |
case 0: | |
rcWindow.bottom -= fPopupRet; | |
break; | |
case 1: | |
rcWindow.top += fPopupRet; | |
break; | |
} | |
m_nPopupWhere = nWhere; | |
Move(rcWindow, TRUE, TRUE); | |
} | |
} | |
} | |
else | |
{ | |
m_bPopup = bPopup; | |
Move(m_rcOldWindow, TRUE, TRUE); | |
} | |
} | |
FX_BOOL CPWL_ComboBox::OnKeyDown(FX_WORD nChar, FX_DWORD nFlag) | |
{ | |
if (!m_pList) return FALSE; | |
if (!m_pEdit) return FALSE; | |
m_nSelectItem = -1; | |
switch (nChar) | |
{ | |
case FWL_VKEY_Up: | |
if (m_pList->GetCurSel() > 0) | |
{ | |
FX_BOOL bExit = FALSE; | |
if (m_pList->OnKeyDown(nChar,bExit,nFlag)) | |
{ | |
if (bExit) return FALSE; | |
SetSelectText(); | |
} | |
} | |
return TRUE; | |
case FWL_VKEY_Down: | |
if (m_pList->GetCurSel() < m_pList->GetCount() - 1) | |
{ | |
FX_BOOL bExit = FALSE; | |
if (m_pList->OnKeyDown(nChar,bExit,nFlag)) | |
{ | |
if (bExit) return FALSE; | |
SetSelectText(); | |
} | |
} | |
return TRUE; | |
} | |
if (HasFlag(PCBS_ALLOWCUSTOMTEXT)) | |
return m_pEdit->OnKeyDown(nChar,nFlag); | |
else | |
return FALSE; | |
} | |
FX_BOOL CPWL_ComboBox::OnChar(FX_WORD nChar, FX_DWORD nFlag) | |
{ | |
if (!m_pList) return FALSE; | |
if (!m_pEdit) return FALSE; | |
m_nSelectItem = -1; | |
FX_BOOL bExit = FALSE; | |
if (HasFlag(PCBS_ALLOWCUSTOMTEXT)) | |
{ | |
return m_pEdit->OnChar(nChar,nFlag); | |
} | |
else | |
{ | |
if (m_pList->OnChar(nChar,bExit,nFlag)) | |
{ | |
return bExit; | |
} | |
else | |
return FALSE; | |
} | |
} | |
void CPWL_ComboBox::OnNotify(CPWL_Wnd* pWnd, FX_DWORD msg, FX_INTPTR wParam, FX_INTPTR lParam) | |
{ | |
switch (msg) | |
{ | |
case PNM_LBUTTONDOWN: | |
if (pWnd == m_pButton) | |
{ | |
SetPopup(!m_bPopup); | |
return; | |
} | |
break; | |
case PNM_LBUTTONUP: | |
if (m_pEdit && m_pList) | |
{ | |
if (pWnd == m_pList) | |
{ | |
SetSelectText(); | |
SelectAll(); | |
m_pEdit->SetFocus(); | |
SetPopup(FALSE); | |
return; | |
} | |
} | |
} | |
CPWL_Wnd::OnNotify(pWnd,msg,wParam,lParam); | |
} | |
FX_BOOL CPWL_ComboBox::IsPopup() const | |
{ | |
return m_bPopup; | |
} | |
void CPWL_ComboBox::SetSelectText() | |
{ | |
CFX_WideString swText = m_pList->GetText(); | |
m_pEdit->SelectAll(); | |
m_pEdit->ReplaceSel(m_pList->GetText()); | |
m_pEdit->SelectAll(); | |
m_nSelectItem = m_pList->GetCurSel(); | |
} | |
FX_BOOL CPWL_ComboBox::IsModified() const | |
{ | |
return m_pEdit->IsModified(); | |
} | |
void CPWL_ComboBox::SetFillerNotify(IPWL_Filler_Notify* pNotify) | |
{ | |
m_pFillerNotify = pNotify; | |
if (m_pEdit) | |
m_pEdit->SetFillerNotify(pNotify); | |
if (m_pList) | |
m_pList->SetFillerNotify(pNotify); | |
} | |