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MyColorPicker.cpp
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// WinDjView
// Copyright (C) 2004-2015 Andrew Zhezherun
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
// http://www.gnu.org/copyleft/gpl.html
//
// Based on ColourPickerXP from CodeProject
// Copyright (C) 2002-2003 Zorglab
#include "stdafx.h"
#include "WinDjView.h"
#include "MyColorPicker.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
#ifndef SPI_GETFLATMENU
#define SPI_GETFLATMENU 0x1022
#endif
#ifndef SPI_GETDROPSHADOW
#define SPI_GETDROPSHADOW 0x1024
#endif
#ifndef CS_DROPSHADOW
#define CS_DROPSHADOW 0x00020000
#endif
#ifndef ODS_HOTLIGHT
#define ODS_HOTLIGHT 0x0040
#endif
#ifndef COLOR_MENUHILIGHT
#define COLOR_MENUHILIGHT 29
#endif
struct ColorPreset
{
COLORREF color;
TCHAR pszName[32];
};
ColorPreset colorTable[] =
{
{ RGB(0x00, 0x00, 0x00), _T("Black") },
{ RGB(0x99, 0x33, 0x00), _T("Brown") },
{ RGB(0x33, 0x33, 0x00), _T("Olive Green") },
{ RGB(0x00, 0x33, 0x00), _T("Dark Green") },
{ RGB(0x00, 0x33, 0x66), _T("Dark Teal") },
{ RGB(0x00, 0x00, 0x80), _T("Dark Blue") },
{ RGB(0x33, 0x33, 0x99), _T("Indigo") },
{ RGB(0x33, 0x33, 0x33), _T("Gray-80%") },
{ RGB(0x80, 0x00, 0x00), _T("Dark Red") },
{ RGB(0xFF, 0x66, 0x00), _T("Orange") },
{ RGB(0x80, 0x80, 0x00), _T("Dark Yellow") },
{ RGB(0x00, 0x80, 0x00), _T("Green") },
{ RGB(0x00, 0x80, 0x80), _T("Teal") },
{ RGB(0x00, 0x00, 0xFF), _T("Blue") },
{ RGB(0x66, 0x66, 0x99), _T("Blue-Gray") },
{ RGB(0x80, 0x80, 0x80), _T("Gray-50%") },
{ RGB(0xFF, 0x00, 0x00), _T("Red") },
{ RGB(0xFF, 0x99, 0x00), _T("Light Orange") },
{ RGB(0x99, 0xCC, 0x00), _T("Lime") },
{ RGB(0x33, 0x99, 0x66), _T("Sea Green") },
{ RGB(0x33, 0xCC, 0xCC), _T("Aqua") },
{ RGB(0x33, 0x66, 0xFF), _T("Light Blue") },
{ RGB(0x80, 0x00, 0x80), _T("Violet") },
{ RGB(0x99, 0x99, 0x99), _T("Gray-40%") },
{ RGB(0xFF, 0x00, 0xFF), _T("Pink") },
{ RGB(0xFF, 0xCC, 0x00), _T("Gold") },
{ RGB(0xFF, 0xFF, 0x00), _T("Yellow") },
{ RGB(0x00, 0xFF, 0x00), _T("Bright Green") },
{ RGB(0x00, 0xFF, 0xFF), _T("Turquoise") },
{ RGB(0x00, 0xCC, 0xFF), _T("Sky Blue") },
{ RGB(0x99, 0x33, 0x66), _T("Plum") },
{ RGB(0xC0, 0xC0, 0xC0), _T("Gray-25%") },
{ RGB(0xFF, 0x99, 0xCC), _T("Rose") },
{ RGB(0xFF, 0xCC, 0x99), _T("Tan") },
{ RGB(0xFF, 0xFF, 0x99), _T("Light Yellow") },
{ RGB(0xCC, 0xFF, 0xCC), _T("Light Green") },
{ RGB(0xCC, 0xFF, 0xFF), _T("Light Turquoise") },
{ RGB(0x99, 0xCC, 0xFF), _T("Pale Blue") },
{ RGB(0xCC, 0x99, 0xFF), _T("Lavender") },
{ RGB(0xFF, 0xFF, 0xFF), _T("White") }
};
const int c_nColorTableSize = sizeof(colorTable)/sizeof(ColorPreset);
const COLORREF COMBOBOX_DISABLED_COLOR_OUT = RGB(201, 199, 186);
const COLORREF COMBOBOX_DISABLED_COLOR_IN = RGB(245, 244, 234);
const int c_nArrowSizeX = 4;
const int c_nArrowSizeY = 2;
void AFXAPI DDX_Color(CDataExchange *pDX, int nIDC, COLORREF& color)
{
HWND hWndCtrl = pDX->PrepareCtrl(nIDC);
ASSERT(hWndCtrl != NULL);
CMyColorPicker* pColorButton = (CMyColorPicker*) CWnd::FromHandle(hWndCtrl);
if (pDX->m_bSaveAndValidate)
{
color = pColorButton->GetColor();
}
else
{
pColorButton->SetColor(color);
}
}
IMPLEMENT_DYNCREATE(CMyColorPicker, CButton)
CMyColorPicker::CMyColorPicker()
: CButton(), m_color(CLR_DEFAULT),
m_colorDefault(::GetSysColor(COLOR_APPWORKSPACE)),
m_bPopupActive(false), m_bTrackSelection(false), m_bMouseOver(false),
m_bFlatMenus(false), m_hThemeButton(NULL), m_bIsDefault(false)
{
BOOL bFlatMenus = FALSE;
if (::SystemParametersInfo(SPI_GETFLATMENU, 0, &bFlatMenus, false))
m_bFlatMenus = !!bFlatMenus;
}
CMyColorPicker::~CMyColorPicker()
{
}
// CMyColorPicker getters/setters
COLORREF CMyColorPicker::GetColor(bool bTranslateDefault) const
{
return (bTranslateDefault && m_color == CLR_DEFAULT ? m_colorDefault : m_color);
}
void CMyColorPicker::SetColor(COLORREF color)
{
m_color = color;
if (::IsWindow(m_hWnd))
Invalidate(false);
}
COLORREF CMyColorPicker::GetDefaultColor() const
{
return m_colorDefault;
}
void CMyColorPicker::SetDefaultColor(COLORREF color)
{
m_colorDefault = color;
}
void CMyColorPicker::SetCustomText(LPCTSTR pszText)
{
m_popup.SetCustomText(pszText);
}
void CMyColorPicker::SetDefaultText(LPCTSTR pszText)
{
m_popup.SetDefaultText(pszText);
m_strDefaultText = pszText;
}
void CMyColorPicker::SetColorNames(UINT nID)
{
m_popup.SetColorNames(nID);
}
void CMyColorPicker::SetRegSection(LPCTSTR pszRegSection)
{
m_popup.SetRegSection(pszRegSection);
}
void CMyColorPicker::SetTrackSelection(bool bTrack)
{
m_bTrackSelection = bTrack;
}
bool CMyColorPicker::IsTrackSelection() const
{
return m_bTrackSelection;
}
BEGIN_MESSAGE_MAP(CMyColorPicker, CButton)
ON_WM_DESTROY()
ON_MESSAGE(CPN_SELENDOK, OnSelEndOK)
ON_MESSAGE(CPN_SELENDCANCEL, OnSelEndCancel)
ON_MESSAGE(CPN_SELCHANGE, OnSelChange)
ON_WM_MOUSEMOVE()
ON_MESSAGE_VOID(WM_MOUSELEAVE, OnMouseLeave)
ON_CONTROL_REFLECT_EX(BN_CLICKED, OnClicked)
ON_MESSAGE_VOID(WM_THEMECHANGED, OnThemeChanged)
ON_WM_GETDLGCODE()
ON_MESSAGE(BM_SETSTYLE, OnSetStyle)
ON_WM_KILLFOCUS()
ON_WM_CANCELMODE()
END_MESSAGE_MAP()
// CMyColorPicker message handlers
void CMyColorPicker::PreSubclassWindow()
{
ModifyStyle(0, BS_OWNERDRAW);
CButton::PreSubclassWindow();
}
LRESULT CMyColorPicker::OnSelEndOK(WPARAM wParam, LPARAM lParam)
{
m_bPopupActive = false;
COLORREF colorOld = m_color;
SetColor((COLORREF) wParam);
CWnd* pParent = GetParent();
if (pParent)
{
pParent->SendMessage(CPN_CLOSEUP, wParam, (LPARAM) GetDlgCtrlID());
pParent->SendMessage(CPN_SELENDOK, wParam, (LPARAM) GetDlgCtrlID());
}
if (colorOld != m_color && pParent != NULL)
pParent->SendMessage(CPN_SELCHANGE, wParam, (LPARAM) GetDlgCtrlID());
return 1;
}
LRESULT CMyColorPicker::OnSelEndCancel(WPARAM wParam, LPARAM lParam)
{
m_bPopupActive = false;
Invalidate(false);
CWnd* pParent = GetParent();
if (pParent)
{
pParent->SendMessage(CPN_CLOSEUP, wParam, (LPARAM) GetDlgCtrlID());
pParent->SendMessage(CPN_SELENDCANCEL, wParam, (LPARAM) GetDlgCtrlID());
}
return 1;
}
LRESULT CMyColorPicker::OnSelChange(WPARAM wParam, LPARAM lParam)
{
if (m_bTrackSelection)
SetColor((COLORREF)wParam);
CWnd* pParent = GetParent();
if (pParent)
pParent->SendMessage(CPN_SELCHANGE, wParam, (LPARAM) GetDlgCtrlID());
return true;
}
void CMyColorPicker::OnDestroy()
{
if (m_hThemeButton != NULL)
XPCloseThemeData(m_hThemeButton);
m_hThemeButton = NULL;
CButton::OnDestroy();
}
BOOL CMyColorPicker::OnClicked()
{
if (m_bPopupActive)
{
m_popup.EndSelection(CPN_SELENDCANCEL);
return true;
}
m_bPopupActive = true;
CRect rcWindow;
GetWindowRect(rcWindow);
if (!::IsWindow(m_popup.m_hWnd))
m_popup.Create(this);
m_popup.Show(rcWindow, m_color);
CWnd* pParent = GetParent();
if (pParent)
pParent->SendMessage(CPN_DROPDOWN, (WPARAM) m_color, (LPARAM) GetDlgCtrlID());
return true;
}
void CMyColorPicker::OnThemeChanged()
{
if (m_hThemeButton != NULL)
XPCloseThemeData(m_hThemeButton);
m_hThemeButton = NULL;
if (IsThemed())
m_hThemeButton = XPOpenThemeData(m_hWnd, L"BUTTON");
Invalidate(false);
}
void CMyColorPicker::OnMouseMove(UINT nFlags, CPoint point)
{
if (!m_bMouseOver)
{
m_bMouseOver = true;
TRACKMOUSEEVENT tme;
ZeroMemory(&tme, sizeof(tme));
tme.cbSize = sizeof(tme);
tme.dwFlags = TME_LEAVE;
tme.hwndTrack = m_hWnd;
tme.dwHoverTime = HOVER_DEFAULT;
TrackMouseEvent(&tme);
Invalidate(false);
}
CButton::OnMouseMove(nFlags, point);
}
void CMyColorPicker::OnMouseLeave(void)
{
if (m_bMouseOver)
{
m_bMouseOver = false;
Invalidate(false);
}
}
void CMyColorPicker::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
{
ASSERT(lpDrawItemStruct != NULL);
if (IsThemed())
{
if (m_hThemeButton == NULL)
m_hThemeButton = XPOpenThemeData(m_hWnd, L"BUTTON");
}
UINT nState = lpDrawItemStruct->itemState;
if (m_bPopupActive)
nState |= ODS_SELECTED;
if ((nState & ODS_FOCUS) != NULL)
nState |= ODS_DEFAULT;
bool bDisabled = (nState & ODS_DISABLED) != 0;
bool bSelected = (nState & ODS_SELECTED) != 0;
bool bFocus = (nState & ODS_FOCUS) != 0;
bool bDefault = (nState & ODS_DEFAULT) != 0;
CDC* pDC = CDC::FromHandle(lpDrawItemStruct->hDC);
CRect rcDraw = lpDrawItemStruct->rcItem;
m_offscreenDC.Create(pDC, rcDraw.Size());
m_offscreenDC.SetViewportOrg(-rcDraw.TopLeft());
SendMessage(WM_ERASEBKGND, (WPARAM) m_offscreenDC.m_hDC);
if (m_hThemeButton != NULL)
{
int nFrameState = PBS_NORMAL;
if (bDisabled)
nFrameState = PBS_DISABLED;
else if (bSelected || m_bPopupActive)
nFrameState = PBS_PRESSED;
else if ((nState & ODS_HOTLIGHT) != 0 || m_bMouseOver)
nFrameState = PBS_HOT;
else if (bDefault)
nFrameState = PBS_DEFAULTED;
// Draw outer edge
XPDrawThemeBackground(m_hThemeButton, m_offscreenDC.m_hDC, BP_PUSHBUTTON, nFrameState, rcDraw, NULL);
XPGetThemeBackgroundContentRect(m_hThemeButton, m_offscreenDC.m_hDC, BP_PUSHBUTTON, nFrameState, rcDraw, rcDraw);
if (bFocus)
m_offscreenDC.DrawFocusRect(rcDraw);
}
else
{
if (bDefault)
{
FrameRect(&m_offscreenDC, rcDraw, ::GetSysColor(COLOR_WINDOWFRAME));
rcDraw.DeflateRect(1, 1);
}
// Draw outer edge
if (bSelected)
{
FrameRect(&m_offscreenDC, rcDraw, ::GetSysColor(COLOR_BTNSHADOW));
}
else
{
UINT nFrameState = DFCS_BUTTONPUSH | (bDisabled ? DFCS_INACTIVE : 0);
m_offscreenDC.DrawFrameControl(rcDraw, DFC_BUTTON, nFrameState);
}
rcDraw.DeflateRect(2, 2);
if (!bDefault)
rcDraw.DeflateRect(1, 1);
if (bFocus)
DrawDottedRect(&m_offscreenDC, rcDraw, RGB(0, 0, 0));
rcDraw.DeflateRect(0, 0, 1, 1);
if (bSelected)
rcDraw.OffsetRect(1, 1);
}
rcDraw.DeflateRect(2, 2);
// Draw arrow
CRect rcArrow;
rcArrow.left = rcDraw.right - c_nArrowSizeX - ::GetSystemMetrics(SM_CXEDGE) / 2;
rcArrow.right = rcArrow.left + c_nArrowSizeX;
rcArrow.top = rcDraw.CenterPoint().y - c_nArrowSizeY / 2;
rcArrow.bottom = rcDraw.CenterPoint().y + c_nArrowSizeY / 2;
DrawArrow(&m_offscreenDC, ARR_DOWN, rcArrow, ::GetSysColor(bDisabled ? COLOR_GRAYTEXT : COLOR_WINDOWTEXT));
rcDraw.right = rcArrow.left - ::GetSystemMetrics(SM_CXEDGE) / 2 - 2;
// Draw separator
m_offscreenDC.DrawEdge(rcDraw, EDGE_ETCHED, BF_RIGHT | (m_bFlatMenus ? BF_FLAT : 0));
rcDraw.right -= ::GetSystemMetrics(SM_CXEDGE) * 2 + 1;
// Draw color
if (!bDisabled)
{
m_offscreenDC.FillSolidRect(rcDraw, m_color == CLR_DEFAULT ? m_colorDefault : m_color);
FrameRect(&m_offscreenDC, rcDraw, ::GetSysColor(COLOR_WINDOWTEXT));
}
rcDraw = lpDrawItemStruct->rcItem;
pDC->BitBlt(rcDraw.left, rcDraw.top, rcDraw.Width(), rcDraw.Height(),
&m_offscreenDC, rcDraw.left, rcDraw.top, SRCCOPY);
m_offscreenDC.Release();
}
BOOL CMyColorPicker::PreTranslateMessage(MSG* pMsg)
{
if (pMsg->message == WM_KEYDOWN)
{
if (m_bPopupActive)
{
switch (pMsg->wParam)
{
case VK_UP:
case VK_DOWN:
case VK_LEFT:
case VK_RIGHT:
case VK_ESCAPE:
case VK_RETURN:
case VK_SPACE:
case VK_F4:
m_popup.SendMessage(pMsg->message, pMsg->wParam, pMsg->lParam);
return true;
}
}
else
{
switch (pMsg->wParam)
{
case VK_UP:
case VK_DOWN:
case VK_F4:
OnClicked();
return true;
}
}
}
return CButton::PreTranslateMessage(pMsg);
}
UINT CMyColorPicker::OnGetDlgCode()
{
UINT nCode = CButton::OnGetDlgCode();
// Tell the dialog that we are a button
nCode |= (m_bIsDefault ? DLGC_DEFPUSHBUTTON : DLGC_UNDEFPUSHBUTTON);
return nCode;
}
LRESULT CMyColorPicker::OnSetStyle(WPARAM wParam, LPARAM lParam)
{
WPARAM nNewType = (wParam & BS_TYPEMASK);
// Update our state and restore owner draw flag
if (nNewType == BS_DEFPUSHBUTTON)
{
m_bIsDefault = true;
}
else if (nNewType == BS_PUSHBUTTON)
{
m_bIsDefault = false;
}
return DefWindowProc(BM_SETSTYLE, (wParam & ~BS_TYPEMASK) | BS_OWNERDRAW, lParam);
}
void CMyColorPicker::OnKillFocus(CWnd* pNewWnd)
{
CButton::OnKillFocus(pNewWnd);
if (m_bPopupActive)
m_popup.EndSelection(CPN_SELENDCANCEL);
}
void CMyColorPicker::OnCancelMode()
{
CButton::OnCancelMode();
if (m_bPopupActive)
m_popup.EndSelection(CPN_SELENDCANCEL);
}
// CMyColorPopup
const TCHAR* s_pszColorEntry = _T("color");
const int DEFAULT_BOX_VALUE = -3;
const int CUSTOM_BOX_VALUE = -2;
const int INVALID_COLOR = -1;
const CSize s_szTextHiBorder(3, 3);
const CSize s_szTextMargin(2, 2);
const CSize s_szBoxHiBorder(2, 2);
const CSize s_szBoxMargin(0, 0);
CMyColorPopup::CMyColorPopup()
: m_bFlatMenus(false), m_nColumns(0), m_nRows(0), m_nCurSel(INVALID_COLOR),
m_nOrigSel(INVALID_COLOR)
{
m_nBoxSize = 18;
m_nMargin = ::GetSystemMetrics(SM_CXEDGE);
m_color = m_colorOrig = RGB(0, 0, 0);
// Make sure the color square is at least 5 x 5
if (m_nBoxSize - 2*m_nMargin - 2 < 5)
m_nBoxSize = 5 + 2*m_nMargin + 2;
BOOL bFlatMenus = FALSE;
if (::SystemParametersInfo(SPI_GETFLATMENU, 0, &bFlatMenus, false))
m_bFlatMenus = !!bFlatMenus;
InitColorTable();
CreateSystemMenuFont(m_font);
}
CMyColorPopup::~CMyColorPopup()
{
}
BEGIN_MESSAGE_MAP(CMyColorPopup, CWnd)
ON_WM_MOUSEACTIVATE()
ON_WM_LBUTTONUP()
ON_WM_PAINT()
ON_WM_MOUSEMOVE()
ON_WM_KEYDOWN()
END_MESSAGE_MAP()
// CMyColorPopup message handlers
bool CMyColorPopup::Create(CWnd* pParent)
{
ASSERT(pParent != NULL && ::IsWindow(pParent->m_hWnd));
UINT nClassStyle = CS_DBLCLKS;
BOOL bDropShadow = FALSE;
::SystemParametersInfo(SPI_GETDROPSHADOW, 0, &bDropShadow, false);
if (bDropShadow)
nClassStyle |= CS_DROPSHADOW;
static CString strWndClass = AfxRegisterWndClass(nClassStyle,
::LoadCursor(NULL, IDC_ARROW), (HBRUSH) (COLOR_MENU + 1));
if (!CreateEx(WS_EX_TOOLWINDOW, strWndClass, _T(""),
WS_POPUP, CRect(0, 0, 100, 100), pParent, 0))
return false;
SetOwner(pParent);
if (m_toolTip.Create(this))
m_toolTip.Activate(true);
return true;
}
void CMyColorPopup::InitColorTable()
{
m_colors.resize(c_nColorTableSize);
for (size_t i = 0; i < m_colors.size(); ++i)
{
m_colors[i].color = colorTable[i].color;
m_colors[i].strName = colorTable[i].pszName;
}
}
void CMyColorPopup::InitLayout()
{
CSize szText(0, 0);
// If we are showing a custom or default text area, get the font and text size.
if (!m_strCustomText.IsEmpty() || !m_strDefaultText.IsEmpty())
{
CClientDC dc(this);
CFont* pOldFont = (CFont*) dc.SelectObject(&m_font);
if (!m_strCustomText.IsEmpty())
szText = dc.GetTextExtent(m_strCustomText);
if (!m_strDefaultText.IsEmpty())
{
CSize szDefault = dc.GetTextExtent(m_strDefaultText);
szText.cx = max(szDefault.cx, szText.cx);
szText.cy = max(szDefault.cy, szText.cy);
}
dc.SelectObject(pOldFont);
szText += CSize(2*m_nMargin, 2*m_nMargin);
// Add space to draw the horizontal line
szText.cy += 2*m_nMargin + 2;
}
m_nColumns = 8;
m_nRows = ((int)m_colors.size() + m_nColumns - 1) / m_nColumns;
// Get the current window position, and set the new size
m_size.cx = m_nColumns*m_nBoxSize + 2*m_nMargin;
m_size.cy = m_nRows*m_nBoxSize + 2*m_nMargin;
// Expand the window to allow for text
m_rcDefaultText.SetRectEmpty();
if (!m_strDefaultText.IsEmpty())
{
m_size.cx = max(m_size.cx, szText.cx);
m_size.cy += szText.cy + 2*m_nMargin;
m_rcDefaultText.SetRect(m_nMargin, m_nMargin, m_size.cx - m_nMargin, 2*m_nMargin + szText.cy);
}
m_rcCustomText.SetRectEmpty();
if (!m_strCustomText.IsEmpty())
{
m_size.cx = max(m_size.cx, szText.cx);
m_size.cy += szText.cy + 2*m_nMargin;
m_rcCustomText.SetRect(m_nMargin, m_size.cy - 2*m_nMargin - szText.cy,
m_size.cx - m_nMargin, m_size.cy - m_nMargin);
}
// Set boxes rectangle
int nBoxesWidth = m_nColumns * m_nBoxSize;
m_rcBoxes.SetRect((m_size.cx - nBoxesWidth) / 2, m_nMargin,
(m_size.cx - nBoxesWidth) / 2 + nBoxesWidth, m_nMargin + m_nRows*m_nBoxSize);
if (!m_strDefaultText.IsEmpty())
m_rcBoxes.OffsetRect(0, m_rcDefaultText.top);
}
void CMyColorPopup::Show(const CRect& rcParent, COLORREF color)
{
m_color = m_colorOrig = color;
SetOrigColor(color);
InitLayout();
SetPosition(rcParent);
InitToolTips();
ShowWindow(SW_SHOWNA);
SetCapture();
}
BOOL CMyColorPopup::PreTranslateMessage(MSG* pMsg)
{
m_toolTip.RelayEvent(pMsg);
if (GetCapture() != this)
EndSelection(CPN_SELENDCANCEL);
return CWnd::PreTranslateMessage(pMsg);
}
void CMyColorPopup::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)
{
CWnd::OnKeyDown(nChar, nRepCnt, nFlags);
int nNewSel = m_nCurSel;
switch (nChar)
{
case VK_DOWN:
case VK_RIGHT:
if (m_nCurSel == DEFAULT_BOX_VALUE)
nNewSel = 0;
else if (m_nCurSel == CUSTOM_BOX_VALUE || m_nCurSel == INVALID_COLOR)
{
if (!m_strDefaultText.IsEmpty())
nNewSel = DEFAULT_BOX_VALUE;
else
nNewSel = 0;
}
else
{
nNewSel = m_nCurSel + (nChar == VK_RIGHT ? 1 : m_nColumns);
if (nNewSel >= static_cast<int>(m_colors.size()))
{
if (!m_strCustomText.IsEmpty())
nNewSel = CUSTOM_BOX_VALUE;
else if (!m_strDefaultText.IsEmpty())
nNewSel = DEFAULT_BOX_VALUE;
else
nNewSel = 0;
}
}
break;
case VK_UP:
case VK_LEFT:
if (m_nCurSel == DEFAULT_BOX_VALUE || m_nCurSel == INVALID_COLOR)
{
if (!m_strCustomText.IsEmpty())
nNewSel = CUSTOM_BOX_VALUE;
else
nNewSel = static_cast<int>(m_colors.size()) - 1;
}
else if (m_nCurSel == CUSTOM_BOX_VALUE)
nNewSel = static_cast<int>(m_colors.size()) - 1;
else
{
nNewSel = m_nCurSel - (nChar == VK_LEFT ? 1 : m_nColumns);
if (nNewSel < 0)
{
if (!m_strDefaultText.IsEmpty())
nNewSel = DEFAULT_BOX_VALUE;
else if (!m_strCustomText.IsEmpty())
nNewSel = CUSTOM_BOX_VALUE;
else
nNewSel = static_cast<int>(m_colors.size()) - 1;
}
}
break;
case VK_ESCAPE:
case VK_F4:
EndSelection(CPN_SELENDCANCEL);
return;
case VK_RETURN:
case VK_SPACE:
EndSelection(CPN_SELENDOK);
return;
}
Select(nNewSel);
}
void CMyColorPopup::OnPaint()
{
CPaintDC dc(this);
if (!m_strDefaultText.IsEmpty())
DrawCell(&dc, DEFAULT_BOX_VALUE);
for (size_t i = 0; i < m_colors.size(); ++i)
DrawCell(&dc, static_cast<int>(i));
if (!m_strCustomText.IsEmpty())
DrawCell(&dc, CUSTOM_BOX_VALUE);
CRect rect = ::GetClientRect(this);
DrawBorder(&dc, rect, EDGE_RAISED, BF_RECT);
}
void CMyColorPopup::OnMouseMove(UINT nFlags, CPoint point)
{
int nNewSel = INVALID_COLOR;
if (m_rcCustomText.PtInRect(point))
nNewSel = CUSTOM_BOX_VALUE;
else if (m_rcDefaultText.PtInRect(point))
nNewSel = DEFAULT_BOX_VALUE;
else if (!m_rcBoxes.PtInRect(point))
nNewSel = INVALID_COLOR;
else
{
CPoint ptAdjusted(point);
ptAdjusted.Offset(-m_rcBoxes.TopLeft());
int nRow = ptAdjusted.y / m_nBoxSize;
int nCol = ptAdjusted.x / m_nBoxSize;
int nIndex = nRow*m_nColumns + nCol;
if (nRow >= 0 && nRow < m_nRows && nCol >= 0 && nCol < m_nColumns &&
nIndex >= 0 && nIndex < static_cast<int>(m_colors.size()))
{
nNewSel = nIndex;
}
}
Select(nNewSel);
CWnd::OnMouseMove(nFlags, point);
}
void CMyColorPopup::OnLButtonUp(UINT nFlags, CPoint point)
{
CWnd::OnLButtonUp(nFlags, point);
CRect rcClient = ::GetClientRect(this);
if (rcClient.PtInRect(point) && m_nCurSel != INVALID_COLOR)
EndSelection(CPN_SELENDOK);
else
EndSelection(CPN_SELENDCANCEL);
}
void CMyColorPopup::SetOrigColor(COLORREF color)
{
if (color == CLR_DEFAULT && !m_strDefaultText.IsEmpty())
{
m_nOrigSel = DEFAULT_BOX_VALUE;
return;
}
for (size_t i = 0; i < m_colors.size(); ++i)
{
if (m_colors[i].color == color)
{
m_nOrigSel = (int)i;
return;
}
}
if (!m_strCustomText.IsEmpty())
m_nOrigSel = CUSTOM_BOX_VALUE;
else
m_nOrigSel = INVALID_COLOR;
}
CRect CMyColorPopup::GetCellRect(int nIndex)
{
if (nIndex == CUSTOM_BOX_VALUE)
return m_rcCustomText;
if (nIndex == DEFAULT_BOX_VALUE)
return m_rcDefaultText;
ASSERT(nIndex >= 0 && nIndex < static_cast<int>(m_colors.size()));
CPoint ptTopLeft(m_rcBoxes.left + (nIndex % m_nColumns) * m_nBoxSize,
m_rcBoxes.top + (nIndex / m_nColumns) * m_nBoxSize);
return CRect(ptTopLeft, CSize(m_nBoxSize, m_nBoxSize));
}
void CMyColorPopup::SetPosition(const CRect& rcParent)
{
CPoint ptBottomLeft(CPoint(rcParent.left, rcParent.bottom));
CRect rcWindow(ptBottomLeft, m_size);
CRect rcWorkArea = GetMonitorWorkArea(ptBottomLeft);
if (rcWindow.right > rcWorkArea.right)
rcWindow.OffsetRect(rcWorkArea.right - rcWindow.right, 0);
if (rcWindow.left < rcWorkArea.left)
rcWindow.OffsetRect(rcWorkArea.left - rcWindow.left, 0);
// If the window does not fit vertically, try to fit it at the top-left
// point of rcParent. Check if this point is on a different monitor.
if (rcWindow.bottom > rcWorkArea.bottom)
{
CRect rcWindowUp(CPoint(rcParent.left, rcParent.top - m_size.cy), m_size);
rcWorkArea = GetMonitorWorkArea(rcParent.TopLeft());
if (rcWindowUp.right > rcWorkArea.right)
rcWindowUp.OffsetRect(rcWorkArea.right - rcWindowUp.right, 0);
if (rcWindowUp.left < rcWorkArea.left)
rcWindowUp.OffsetRect(rcWorkArea.left - rcWindowUp.left, 0);
if (rcWindowUp.top >= rcWorkArea.top)
rcWindow = rcWindowUp;
}
SetWindowPos(&wndTop, rcWindow.left, rcWindow.top,
rcWindow.Width(), rcWindow.Height(), SWP_NOACTIVATE);
}
void CMyColorPopup::InitToolTips()
{
if (!::IsWindow(m_toolTip.m_hWnd))
return;
for (size_t i = 0; i < m_colors.size(); ++i)
{
CRect rect = GetCellRect(static_cast<int>(i));
m_toolTip.DelTool(this, i + 1);
m_toolTip.AddTool(this, m_colors[i].strName, rect, i + 1);
}
}
void CMyColorPopup::Select(int nIndex)
{
if (nIndex != INVALID_COLOR && nIndex != CUSTOM_BOX_VALUE && nIndex != DEFAULT_BOX_VALUE
&& (nIndex < 0 || nIndex > static_cast<int>(m_colors.size())))
nIndex = CUSTOM_BOX_VALUE;
if (nIndex == m_nCurSel)
return;
CClientDC dc(this);
if (m_nCurSel != INVALID_COLOR)
{
// Redraw old selection
int nItem = m_nCurSel;
m_nCurSel = INVALID_COLOR;
DrawCell(&dc, nItem);
}
m_nCurSel = nIndex;
if (m_nCurSel != INVALID_COLOR)
DrawCell(&dc, m_nCurSel);
if (m_nCurSel == CUSTOM_BOX_VALUE || m_nCurSel == INVALID_COLOR)
m_color = m_colorOrig;
else if (m_nCurSel == DEFAULT_BOX_VALUE)
m_color = CLR_DEFAULT;
else
m_color = m_colors[m_nCurSel].color;
GetOwner()->SendMessage(CPN_SELCHANGE, (WPARAM) m_color);
}
void CMyColorPopup::EndSelection(int nMessage)
{
if (!IsWindowVisible())
return;
ReleaseCapture();
ShowWindow(SW_HIDE);
if (nMessage != CPN_SELENDCANCEL && m_nCurSel == CUSTOM_BOX_VALUE)
{
CColorDialog dlg(m_colorOrig, CC_FULLOPEN | CC_ANYCOLOR, GetOwner());
COLORREF customColors[16];
for (int i = 0; i < 16; ++i)
{
customColors[i] = 0xffffff;
if (!m_strRegSection.IsEmpty())
{
CString strEntry;