void CColorPalette::DrawNewSelHighlight(int OldSel,int NewSel)
{
HDC hdc;
hdc=GetDC(m_hwnd);
if (OldSel>=0)
DrawSelRect(hdc,OldSel,false);
if (NewSel>=0)
DrawSelRect(hdc,NewSel,true);
ReleaseDC(m_hwnd,hdc);
}
LRESULT CColorPalette::OnMessage(HWND hwnd,UINT uMsg,WPARAM wParam,LPARAM lParam)
{
switch (uMsg) {
case WM_CREATE:
m_SelColor=-1;
m_HotColor=-1;
m_Tooltip.Create(hwnd);
return 0;
case WM_SIZE:
{
int sx=LOWORD(lParam),sy=HIWORD(lParam);
m_ItemWidth=max(sx/16,6);
m_ItemHeight=max(sy/16,6);
m_Left=(sx-m_ItemWidth*16)/2;
m_Top=(sy-m_ItemHeight*16)/2;
if (m_pPalette!=NULL)
SetToolTip();
}
return 0;
case WM_PAINT:
if (m_pPalette!=NULL) {
PAINTSTRUCT ps;
int x,y;
int i;
RECT rc;
::BeginPaint(hwnd,&ps);
for (i=0;i<m_NumColors;i++) {
x=i%16;
y=i/16;
rc.left=m_Left+x*m_ItemWidth+2;
rc.top=m_Top+y*m_ItemHeight+2;
rc.right=rc.left+m_ItemWidth-4;
rc.bottom=rc.top+m_ItemHeight-4;
if (rc.left<ps.rcPaint.right && rc.top<ps.rcPaint.bottom
&& rc.right>ps.rcPaint.left && rc.bottom>ps.rcPaint.top) {
DrawUtil::Fill(ps.hdc,&rc,
RGB(m_pPalette[i].rgbRed,
m_pPalette[i].rgbGreen,
m_pPalette[i].rgbBlue));
}
}
if (m_SelColor>=0)
DrawSelRect(ps.hdc,m_SelColor,true);
::EndPaint(hwnd,&ps);
return 0;
}
break;
case WM_MOUSEMOVE:
if (m_pPalette!=NULL) {
POINT ptCursor;
int Hot;
ptCursor.x=GET_X_LPARAM(lParam);
ptCursor.y=GET_Y_LPARAM(lParam);
Hot=(ptCursor.y-m_Top)/m_ItemHeight*16+
(ptCursor.x-m_Left)/m_ItemWidth;
if (ptCursor.x<m_Left
|| ptCursor.x>=m_Left+m_ItemWidth*16
|| ptCursor.y<m_Top
|| ptCursor.y>=m_Top+m_ItemHeight*16
|| Hot>=m_NumColors)
Hot=-1;
if (Hot==m_HotColor)
return 0;
m_HotColor=Hot;
SendNotify(NOTIFY_HOTCHANGE);
}
return 0;
case WM_LBUTTONDOWN:
case WM_RBUTTONDOWN:
if (m_pPalette!=NULL) {
POINT ptCursor;
int Sel;
ptCursor.x=GET_X_LPARAM(lParam);
ptCursor.y=GET_Y_LPARAM(lParam);
Sel=(ptCursor.y-m_Top)/m_ItemHeight*16+
(ptCursor.x-m_Left)/m_ItemWidth;
if (ptCursor.x<m_Left
|| ptCursor.x>=m_Left+m_ItemWidth*16
|| ptCursor.y<m_Top
|| ptCursor.y>=m_Top+m_ItemHeight*16
|| Sel>=m_NumColors || Sel==m_SelColor)
return 0;
DrawNewSelHighlight(m_SelColor,Sel);
m_SelColor=Sel;
SendNotify(NOTIFY_SELCHANGE);
if (uMsg==WM_RBUTTONDOWN)
SendNotify(NOTIFY_RBUTTONDOWN);
}
return 0;
case WM_LBUTTONDBLCLK:
if (m_SelColor>=0)
SendNotify(NOTIFY_DOUBLECLICK);
return 0;
case WM_NOTIFY:
switch (((LPNMHDR)lParam)->code) {
case TTN_NEEDTEXT:
{
LPNMTTDISPINFO pttdi=reinterpret_cast<LPNMTTDISPINFO>(lParam);
int Index=(int)pttdi->hdr.idFrom;
pttdi->lpszText=pttdi->szText;
pttdi->hinst=NULL;
if (Index>=0 && Index<m_NumColors) {
int r,g,b;
r=m_pPalette[Index].rgbRed;
g=m_pPalette[Index].rgbGreen;
b=m_pPalette[Index].rgbBlue;
::wsprintf(pttdi->szText,TEXT("%d,%d,%d #%02X%02X%02X"),r,g,b,r,g,b);
} else {
pttdi->szText[0]='\0';
}
}
return 0;
}
break;
case WM_DESTROY:
m_Tooltip.Destroy();
return 0;
}
return ::DefWindowProc(hwnd,uMsg,wParam,lParam);
}
void CUIMenu::OnDrawItem(int nIDCtl, LPDRAWITEMSTRUCT lpDrawItemStruct)
{
LPDRAWITEMSTRUCT lpds;
UI_MENU_ITEM_INFO * lpUIMenuItemInfo;
HDC hDC;
CRect rcItem;
BOOL bGrayed, bDisabled, bSelected, bChecked;
BOOL bIsSeparator;
CImageEx * lpIconImgN, *lpIconImgH;
HDC hMemDC;
HBITMAP hMemBmp, hOldBmp;
lpds = lpDrawItemStruct;
if (NULL == lpds || lpds->CtlType != ODT_MENU)
return;
lpUIMenuItemInfo = (UI_MENU_ITEM_INFO *)lpds->itemData;
if (NULL == lpUIMenuItemInfo || lpUIMenuItemInfo->nMagic != UI_MENU_MAGIC)
return;
hDC = lpds->hDC;
rcItem = lpds->rcItem;
bGrayed = lpds->itemState & ODS_GRAYED;
bDisabled = lpds->itemState & ODS_DISABLED;
bSelected = lpds->itemState & ODS_SELECTED;
//bChecked = lpds->itemState & ODS_CHECKED;
bChecked = lpUIMenuItemInfo->nState & ODS_CHECKED;
bIsSeparator = lpUIMenuItemInfo->nType & MFT_SEPARATOR;
lpIconImgN = lpUIMenuItemInfo->lpIconImgN;
lpIconImgH = lpUIMenuItemInfo->lpIconImgH;
rcItem.OffsetRect(-rcItem.left, -rcItem.top);
hMemDC = ::CreateCompatibleDC(hDC);
hMemBmp = ::CreateCompatibleBitmap(hDC, rcItem.Width(), rcItem.Height());
hOldBmp = (HBITMAP)::SelectObject(hMemDC, hMemBmp);
DrawBg(hMemDC, rcItem); // 绘制背景
if (bIsSeparator) // 绘制分隔符
{
DrawSepartor(hMemDC, rcItem);
}
else
{
if (bSelected && !bGrayed)
DrawSelRect(hMemDC, rcItem); // 绘制选中区域
if (bChecked) // 绘制Check状态
{
DrawCheckState(hMemDC, rcItem);
}
else
{
if (bSelected)
DrawIcon(hMemDC, rcItem, lpIconImgH); // 绘制选中图标
else
DrawIcon(hMemDC, rcItem, lpIconImgN); // 绘制非选中图标
}
DrawText(hMemDC, rcItem, bGrayed, bSelected,
(BOOL)lpUIMenuItemInfo->hSubMenu, lpUIMenuItemInfo->szText.c_str()); // 绘制菜单文本
if (lpUIMenuItemInfo->hSubMenu != NULL) // 绘制子菜单的右三角箭头
DrawArrow(hMemDC, rcItem);
}
rcItem = lpds->rcItem;
::BitBlt(hDC, rcItem.left, rcItem.top, rcItem.Width(), rcItem.Height(), hMemDC, 0, 0, SRCCOPY);
if (lpUIMenuItemInfo->hSubMenu != NULL) // 不让系统绘制弹出式菜单箭头
::ExcludeClipRect(hDC, rcItem.left, rcItem.top, rcItem.right, rcItem.bottom);
::SelectObject(hMemDC, hOldBmp);
::DeleteObject(hMemBmp);
::DeleteDC(hMemDC);
}
