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windows-nt/Source/XPSP1/NT/shell/browseui/browbs.cpp

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2020-09-26 03:20:57 -05:00
#include "priv.h"
#include "theater.h"
#include "browbs.h"
#include "resource.h"
#include "legacy.h"
#include "uxtheme.h" // needed for Margin.
#include "mluisupp.h"
#include "apithk.h"
#define SUPERCLASS CBandSite
TCHAR GetAccelerator(LPCTSTR psz, BOOL bUseDefault);
#define ABS(x) (((x) < 0) ? -(x) : (x))
#define CX_TEXTOFFSET 6
#define CY_TEXTOFFSET 4
#define CX_TBOFFSET 1
#define CY_TBPADDING 1
#define CY_ETCH 2
#define CY_FLUFF 7
// *** IInputObject methods ***
HRESULT CBrowserBandSite::HasFocusIO()
{
HWND hwnd = GetFocus();
if (hwnd && (hwnd == _hwndTB || hwnd == _hwndOptionsTB))
return S_OK;
else
return SUPERCLASS::HasFocusIO();
}
// *** IDeskBarClient methods ***
HRESULT CBrowserBandSite::SetModeDBC(DWORD dwMode)
{
if ((dwMode ^ _dwMode) & DBIF_VIEWMODE_VERTICAL) {
// switching horizontal/vertical; need to toggle toolbar
// since we hide toolbar for horizontal bars
if (_hwndTBRebar) {
if (dwMode & DBIF_VIEWMODE_VERTICAL) {
ShowWindow(_hwndTBRebar, SW_SHOW);
_fToolbar = _pCmdTarget ? TRUE : FALSE;
} else {
ShowWindow(_hwndTBRebar, SW_HIDE);
_fToolbar = FALSE;
}
}
}
return SUPERCLASS::SetModeDBC(dwMode);
}
HRESULT CBrowserBandSite::TranslateAcceleratorIO(LPMSG lpMsg)
{
TraceMsg(TF_ACCESSIBILITY, "CBrowserBandSite::TranslateAcceleratorIO (hwnd=0x%08X) key=%d", _hwnd, lpMsg->wParam);
HRESULT hr = S_FALSE;
ASSERT((lpMsg->message >= WM_KEYFIRST) && (lpMsg->message <= WM_KEYLAST));
#if 0 //Disabled until a better key combination can be determined
// check for Control-Shift arrow keys and resize if necessary
if ((GetKeyState(VK_SHIFT) < 0) && (GetKeyState(VK_CONTROL) < 0))
{
switch (lpMsg->wParam)
{
case VK_UP:
case VK_DOWN:
case VK_LEFT:
case VK_RIGHT:
IUnknown_Exec(_punkSite, &CGID_DeskBarClient, DBCID_RESIZE, (DWORD)lpMsg->wParam, NULL, NULL);
return S_OK;
}
}
#endif
if (!g_fRunningOnNT && (lpMsg->message == WM_SYSCHAR))
{
// See AnsiWparamToUnicode for why this character tweak is needed
lpMsg->wParam = AnsiWparamToUnicode(lpMsg->wParam);
}
// Give toolbar a crack
if (hr != S_OK && _hwndTB && SendMessage(_hwndTB, TB_TRANSLATEACCELERATOR, 0, (LPARAM)lpMsg))
return S_OK;
else if (hr != S_OK && SendMessage(_hwndOptionsTB, TB_TRANSLATEACCELERATOR, 0, (LPARAM)lpMsg))
return S_OK;
// to get a mapping, forward system characters to toolbar (if any) or xBar
if (WM_SYSCHAR == lpMsg->message)
{
if (hr == S_OK)
{
return S_OK;
}
if ((NULL != _hwndTB) && (NULL != _pCmdTarget))
{
UINT idBtn;
if (SendMessage(_hwndTB, TB_MAPACCELERATOR, lpMsg->wParam, (LPARAM)&idBtn))
{
TCHAR szButtonText[MAX_PATH];
// comctl says this one is the one, let's make sure we aren't getting
// one of the unwanted "use the first letter" accelerators that it
// will return.
if ((SendMessage(_hwndTB, TB_GETBUTTONTEXT, idBtn, (LPARAM)szButtonText) > 0) &&
(GetAccelerator(szButtonText, FALSE) != (TCHAR)-1))
{
// (tnoonan) - it feels kinda cheesy to send mouse messages, but
// I don't know of a cleaner way which will accomplish what we
// want (like deal with split buttons, mutually exclusive
// buttons, etc.).
RECT rc;
SendMessage(_hwndTB, TB_GETRECT, idBtn, (LPARAM)&rc);
SendMessage(_hwndTB, WM_LBUTTONDOWN, MK_LBUTTON, MAKELONG(rc.left, rc.top));
SendMessage(_hwndTB, WM_LBUTTONUP, 0, MAKELONG(rc.left, rc.top));
hr = S_OK;
}
}
}
}
if (hr != S_OK)
hr = SUPERCLASS::TranslateAcceleratorIO(lpMsg);
return hr;
}
HRESULT CBrowserBandSite::_TrySetFocusTB(int iDir)
{
HRESULT hres = S_FALSE;
if (_hwndTB)
{
int cBtns = (int) SendMessage(_hwndTB, TB_BUTTONCOUNT, 0, 0);
if (cBtns > 0)
{
// Set focus on tb. This will also set the first button to hottracked,
// generating a hot item change notify, but _OnHotItemChange will ignore
// the notify as neither HICF_RESELECT, HICF_ARROWKEYS nor HICF_ACCELERATOR will be set.
SetFocus(_hwndTB);
// If going back, make rightmost button hottracked,
// else make first button hottracked.
int iHotPos = (iDir == -1) ? cBtns - 1 : 0;
// Pass HICF_RESELECT so that if we're reselecting the same item, another notify
// is generated, and so that the filter in _OnHotItemChange will let the notification
// through (and pop down the chevron menu if necessary).
SendMessage(_hwndTB, TB_SETHOTITEM2, iHotPos, HICF_RESELECT);
hres = S_OK;
}
}
return hres;
}
HRESULT CBrowserBandSite::_CycleFocusBS(LPMSG lpMsg)
{
//
// Tab order goes: (out)->_hwndOptionsTB->bands->(out)
//
// The order is reversed when shift is pressed.
//
// When control is pressed, and we have focus (i.e., have already been tabbed
// into), we reject focus since ctl-tab is supposed to tab between contexts.
//
// Once _hwndOptionsTB gets focus, user can arrow over to _hwndTB. If
// that happens, replace _hwndOptionsTB with _hwndTB in order above.
//
BOOL fHasFocus = (HasFocusIO() == S_OK);
ASSERT(fHasFocus || !_ptbActive);
if (fHasFocus && IsVK_CtlTABCycler(lpMsg))
{
// Bail on ctl-tab if one of our guys already has focus
return S_FALSE;
}
HWND hwnd = GetFocus();
BOOL fHasTBFocus = (hwnd && (hwnd == _hwndTB || hwnd == _hwndOptionsTB));
BOOL fShift = (GetKeyState(VK_SHIFT) < 0);
HRESULT hres = S_FALSE;
// hidden options toolbar, bandsite cannot set focus to it (e.g. iBar)
BOOL fStdExplorerBar = IsWindowVisible(_hwndOptionsTB);
if (fHasTBFocus)
{
if (!fShift)
hres = SUPERCLASS::_CycleFocusBS(lpMsg);
}
else
{
// Here, since !fHasTBFocus, fHasFocus => a band has focus
if (fHasFocus || fShift || (!fHasFocus && !fStdExplorerBar))
hres = SUPERCLASS::_CycleFocusBS(lpMsg);
if (hres != S_OK && (!fHasFocus || (fHasFocus && fShift)))
{
// try passing focus to options toolbar if visible;
if (fStdExplorerBar)
{
SetFocus(_hwndOptionsTB);
TraceMsg(TF_ACCESSIBILITY, "CBrowserBandSite::_CycleFocusBS (hwnd=0x%08X) setting focus to optionsTB (=0x%08X)", _hwnd, _hwndOptionsTB);
hres = S_OK;
}
}
}
return hres;
}
// this class subclasses the CBandSite class and adds functionality specific to
// being hosted in the browser....
//
// it implements close as hide
// it has its own title drawing
void CBrowserBandSite::_OnCloseBand(DWORD dwBandID)
{
int iIndex = _BandIDToIndex(dwBandID);
LPBANDITEMDATA pbid = _GetBandItem(iIndex);
if (pbid)
{
_ShowBand(pbid, FALSE);
if (_pct)
{
BOOL fShowing = FALSE;
for (int i = _GetBandItemCount() - 1; i >= 0; i--)
{
LPBANDITEMDATA pbid = _GetBandItem(i);
if (pbid)
{
fShowing |= pbid->fShow;
}
}
if (!fShowing)
{
_pct->Exec(&CGID_DeskBarClient, DBCID_EMPTY, 0, NULL, NULL);
}
}
}
}
// don't allow d/d of any band in here
LRESULT CBrowserBandSite::_OnBeginDrag(NMREBAR* pnm)
{
return 1;
}
CBrowserBandSite::CBrowserBandSite() : CBandSite(NULL)
{
_dwBandIDCur = -1;
}
CBrowserBandSite::~CBrowserBandSite()
{
ATOMICRELEASE(_pCmdTarget);
}
HFONT CBrowserBandSite::_GetTitleFont(BOOL fForceRefresh)
{
if (_hfont && fForceRefresh)
DeleteObject(_hfont);
if (!_hfont || fForceRefresh) {
// create our font to use for title & toolbar text
// use A version for win9x compat
NONCLIENTMETRICSA ncm;
ncm.cbSize = sizeof(ncm);
SystemParametersInfoA(SPI_GETNONCLIENTMETRICS, sizeof(ncm), &ncm, 0);
if (!(_dwMode & DBIF_VIEWMODE_VERTICAL)) {
// horizontal band w/ vertical caption, so rotate the font
ncm.lfMenuFont.lfEscapement = 900; // rotate by 90 degrees
ncm.lfMenuFont.lfOutPrecision = OUT_TT_ONLY_PRECIS; // TT can be rotated
}
_hfont = CreateFontIndirectA(&ncm.lfMenuFont);
}
return _hfont;
}
void CBrowserBandSite::_InitLayout()
{
// force update font
_GetTitleFont(TRUE);
// update toolbar font
_UpdateToolbarFont();
// recalc title and toolbar heights
_CalcHeights();
_UpdateLayout();
}
void CBrowserBandSite::_UpdateAllBands(BOOL fBSOnly, BOOL fNoAutoSize)
{
if (!fBSOnly && !fNoAutoSize)
_InitLayout();
SUPERCLASS::_UpdateAllBands(fBSOnly, fNoAutoSize);
}
HRESULT CBrowserBandSite::_Initialize(HWND hwndParent)
{
HRESULT hres = SUPERCLASS::_Initialize(hwndParent);
SendMessage(_hwnd, CCM_SETUNICODEFORMAT, DLL_IS_UNICODE, 0);
_CreateOptionsTB();
_InitLayout();
return hres;
}
void CBrowserBandSite::_CalcHeights()
{
// calc title height
// calc height of captionless bandsites, too, needed to calc toolband height
// HACKHACK: use height of 'All Folders' as standard title height
TCHAR szTitle[64];
if (MLLoadStringW(IDS_TREETITLE, szTitle, ARRAYSIZE(szTitle))) {
HDC hdc = GetDC(_hwnd);
if (hdc)
{
HFONT hfont = _GetTitleFont(FALSE);
HFONT hfontOld = (HFONT)SelectObject(hdc, hfont);
int iLen = lstrlen(szTitle);
SIZE size;
GetTextExtentPoint32(hdc, szTitle, iLen, &size);
_uTitle = size.cy;
// make space for etch line + space
_uTitle += CY_ETCH + CY_FLUFF;
SelectObject(hdc, hfontOld);
ReleaseDC(_hwnd, hdc);
}
} else {
// no string; use a default height
_uTitle = BROWSERBAR_TITLEHEIGHT;
}
// calc toolbar height
_uToolbar = _uTitle + (2 * CY_TBPADDING) + CY_ETCH;
if (_dwStyle & BSIS_NOCAPTION)
{
// rebar has no caption
_uTitle = 0;
}
}
void CBrowserBandSite::_UpdateToolbarFont()
{
if (_hwndTB && (_dwMode & DBIF_VIEWMODE_VERTICAL)) {
// use same font for title and toolbar
HFONT hfont = _GetTitleFont(FALSE);
if (hfont)
SendMessage(_hwndTB, WM_SETFONT, (WPARAM)hfont, TRUE);
}
}
void CBrowserBandSite::_ShowBand(LPBANDITEMDATA pbid, BOOL fShow)
{
if (fShow && (_dwBandIDCur != pbid->dwBandID)) {
_dwBandIDCur = pbid->dwBandID;
_UpdateLayout();
} else if (!fShow && _dwBandIDCur == pbid->dwBandID) {
_dwBandIDCur = -1;
}
SUPERCLASS::_ShowBand(pbid, fShow);
}
void CBrowserBandSite::_UpdateLayout()
{
// update toolbar button size
if (_hwndTB && SendMessage(_hwndTB, TB_BUTTONCOUNT, 0, 0) > 0)
{
// try to set button height to title height
LONG lSize = MAKELONG(0, _uTitle);
SendMessage(_hwndTB, TB_SETBUTTONSIZE, 0, lSize);
// see what toolbar actually gave us
RECT rc;
SendMessage(_hwndTB, TB_GETITEMRECT, 0, (LPARAM)&rc);
// calc toolbar height (final version)
_uToolbar = RECTHEIGHT(rc) + CY_ETCH + 2 * CY_TBPADDING;
}
// update header height for the current band
if (_dwBandIDCur != -1)
{
REBARBANDINFO rbbi;
rbbi.cbSize = sizeof(rbbi);
rbbi.fMask = RBBIM_HEADERSIZE;
rbbi.cxHeader = _uTitle + (_fToolbar ? _uToolbar : 0);
SendMessage(_hwnd, RB_SETBANDINFO, _BandIDToIndex(_dwBandIDCur), (LPARAM)&rbbi);
}
// update toolbar size
_UpdateToolbarBand();
// reposition toolbars
_PositionToolbars(NULL);
}
void CBrowserBandSite::_BandInfoFromBandItem(REBARBANDINFO *prbbi, LPBANDITEMDATA pbid, BOOL fBSOnly)
{
SUPERCLASS::_BandInfoFromBandItem(prbbi, pbid, fBSOnly);
if (prbbi)
{
// we override header width so we can fit browbs's fancy ui (title,
// toolbar, close & autohide buttons) in the band's header area.
prbbi->cxHeader = _uTitle + (_fToolbar ? _uToolbar : 0);
}
}
void CBrowserBandSite::_DrawEtchline(HDC hdc, LPRECT prc, int iOffset, BOOL fVertEtch)
{
RECT rc;
CopyRect(&rc, prc);
if (fVertEtch) {
rc.left += iOffset - CY_ETCH;
rc.right = rc.left + 1;
} else {
rc.top += iOffset - CY_ETCH;
rc.bottom = rc.top + 1;
}
SHFillRectClr(hdc, &rc, GetSysColor(COLOR_BTNSHADOW));
if (fVertEtch) {
rc.left++;
rc.right++;
} else {
rc.bottom++;
rc.top++;
}
SHFillRectClr(hdc, &rc, GetSysColor(COLOR_BTNHILIGHT));
}
LRESULT CBrowserBandSite::_OnCDNotify(LPNMCUSTOMDRAW pnm)
{
switch (pnm->dwDrawStage) {
case CDDS_PREPAINT:
return CDRF_NOTIFYITEMDRAW;
case CDDS_PREERASE:
return CDRF_NOTIFYITEMDRAW;
case CDDS_ITEMPREPAINT:
if (!(_dwStyle & BSIS_NOCAPTION))
{
// horz bar has vert caption and vice versa
BOOL fVertCaption = (_dwMode&DBIF_VIEWMODE_VERTICAL) ? FALSE:TRUE;
LPBANDITEMDATA pbid = (LPBANDITEMDATA)pnm->lItemlParam;
if (pbid)
{
int iLen;
HFONT hfont, hfontOld = NULL;
LPCTSTR pszTitle;
SIZE size;
USES_CONVERSION;
hfont = _GetTitleFont(FALSE);
hfontOld = (HFONT)SelectObject(pnm->hdc, hfont);
pszTitle = W2CT(pbid->szTitle);
iLen = lstrlen(pszTitle);
GetTextExtentPoint32(pnm->hdc, pszTitle, iLen, &size);
// center text inside caption and draw edge at bottom/right.
if (!fVertCaption)
{
// vertical bar, has horizontal text
int x = pnm->rc.left + CX_TEXTOFFSET;
int y = pnm->rc.top + ((_uTitle - CY_ETCH) - size.cy) / 2;
ExtTextOut(pnm->hdc, x, y, NULL, NULL, pszTitle, iLen, NULL);
_DrawEtchline(pnm->hdc, &pnm->rc, RECTHEIGHT(pnm->rc), fVertCaption);
if (_fToolbar)
_DrawEtchline(pnm->hdc, &pnm->rc, _uTitle, fVertCaption);
}
else
{
// horizontal bar, has vertical text
UINT nPrevAlign = SetTextAlign(pnm->hdc, TA_BOTTOM);
int x = pnm->rc.right - ((_uTitle - CY_ETCH) - size.cy) / 2;
int y = pnm->rc.bottom - CY_TEXTOFFSET;
ExtTextOut(pnm->hdc, x, y, NULL, NULL, pszTitle, iLen, NULL);
SetTextAlign(pnm->hdc, nPrevAlign);
_DrawEtchline(pnm->hdc, &pnm->rc, RECTWIDTH(pnm->rc), fVertCaption);
ASSERT(!_fToolbar);
}
if (hfontOld)
SelectObject(pnm->hdc, hfontOld);
}
}
return CDRF_SKIPDEFAULT;
}
return CDRF_DODEFAULT;
}
LRESULT CBrowserBandSite::_OnNotify(LPNMHDR pnm)
{
switch (pnm->idFrom)
{
case FCIDM_REBAR:
switch (pnm->code)
{
case NM_CUSTOMDRAW:
return _OnCDNotify((LPNMCUSTOMDRAW)pnm);
case NM_NCHITTEST:
{
NMMOUSE *pnmMouse = (NMMOUSE*)pnm;
RECT rc;
GetClientRect(_hwnd, &rc);
if (pnmMouse->dwItemSpec == (DWORD)-1) {
Lchktrans:
//
// Edges are mirrored if the window is mirrored. [samera]
//
if (IS_WINDOW_RTL_MIRRORED(_hwnd)) {
int iTmp = rc.right;
rc.right = rc.left;
rc.left = iTmp;
}
// gotta check all 4 edges or non-left-side bars (e.g.
// commbar) won't work.
// (we separate this into 2 checks to give a trace,
// since the old code only checked the right side)
if (pnmMouse->pt.x > rc.right) {
return HTTRANSPARENT;
}
if (pnmMouse->pt.x < rc.left ||
pnmMouse->pt.y > rc.bottom || pnmMouse->pt.y < rc.top) {
return HTTRANSPARENT;
}
} else if (pnmMouse->dwHitInfo == RBHT_CLIENT) {
InflateRect(&rc, -(GetSystemMetrics(SM_CXFRAME)),
-(GetSystemMetrics(SM_CYFRAME)));
goto Lchktrans;
}
return SUPERCLASS::_OnNotify(pnm);
}
default:
return SUPERCLASS::_OnNotify(pnm);
}
default:
return SUPERCLASS::_OnNotify(pnm);
}
return 0;
}
IDropTarget* CBrowserBandSite::_WrapDropTargetForBand(IDropTarget* pdtBand)
{
pdtBand->AddRef();
return pdtBand;
}
HRESULT CBrowserBandSite::v_InternalQueryInterface(REFIID riid, void **ppv)
{
static const QITAB qit[] = {
QITABENT(CBrowserBandSite, IExplorerToolbar),
{ 0 },
};
HRESULT hr;
if (IsEqualIID(riid, IID_IDropTarget))
{
*ppv = NULL;
hr = E_NOINTERFACE;
}
else
{
hr = QISearch(this, qit, riid, ppv);
if (FAILED(hr))
hr = SUPERCLASS::v_InternalQueryInterface(riid, ppv);
}
return hr;
}
DWORD CBrowserBandSite::_GetWindowStyle(DWORD *pdwExStyle)
{
*pdwExStyle = 0;
return RBS_REGISTERDROP |
RBS_VERTICALGRIPPER |
RBS_VARHEIGHT | RBS_DBLCLKTOGGLE |
WS_VISIBLE | WS_CHILD | WS_CLIPCHILDREN | WS_BORDER |
WS_CLIPSIBLINGS | CCS_NODIVIDER | CCS_NORESIZE | CCS_NOPARENTALIGN;
}
// *** IOleCommandTarget ***
HRESULT CBrowserBandSite::Exec(const GUID *pguidCmdGroup, DWORD nCmdID, DWORD nCmdexecopt,
VARIANTARG *pvarargIn, VARIANTARG *pvarargOut)
{
if (pguidCmdGroup == NULL)
{
}
#ifdef UNIX
// IEUNIX: Special case to handle the case where the band wants to
// close itself. Used in Cache Warning pane (msgband.cpp)
else if (IsEqualGUID(CGID_Explorer, *pguidCmdGroup))
{
switch (nCmdID)
{
case SBCMDID_MSGBAND:
{
IDockingWindow * pdw;
if (SUCCEEDED(_punkSite->QueryInterface(IID_PPV_ARG(IDockingWindow, &pdw))))
{
pdw->ShowDW((BOOL)nCmdexecopt);
pdw->Release();
}
}
}
}
#endif
else if (IsEqualGUID(CGID_Theater, *pguidCmdGroup))
{
switch (nCmdID)
{
case THID_ACTIVATE:
_fTheater = TRUE;
SHSetWindowBits(_hwnd, GWL_EXSTYLE, WS_EX_CLIENTEDGE, 0);
// fall through
case THID_SETBROWSERBARAUTOHIDE:
if (pvarargIn && pvarargIn->vt == VT_I4)
_fNoAutoHide = !(pvarargIn->lVal);
SendMessage(_hwndOptionsTB, TB_CHANGEBITMAP, IDM_AB_AUTOHIDE, _fNoAutoHide ? 2 : 0);
break;
case THID_DEACTIVATE:
_fTheater = FALSE;
SHSetWindowBits(_hwnd, GWL_EXSTYLE, WS_EX_CLIENTEDGE, WS_EX_CLIENTEDGE);
break;
}
SetWindowPos(_hwnd, NULL, 0,0,0,0, SWP_NOSIZE | SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER | SWP_FRAMECHANGED);
_SizeOptionsTB();
return S_OK;
}
return SUPERCLASS::Exec(pguidCmdGroup, nCmdID, nCmdexecopt, pvarargIn, pvarargOut);
}
#define BBSC_REBAR 0x00000001
#define BBSC_TOOLBAR 0x00000002
void CBrowserBandSite::_CreateTBRebar()
{
ASSERT(!_hwndTBRebar);
_hwndTBRebar = CreateWindowEx(WS_EX_TOOLWINDOW, REBARCLASSNAME, NULL,
WS_VISIBLE | WS_CHILD | WS_CLIPCHILDREN |
WS_CLIPSIBLINGS | CCS_NODIVIDER | CCS_NOPARENTALIGN,
0, 0, 100, 36,
_hwnd, (HMENU) BBSC_REBAR, HINST_THISDLL, NULL);
if (_hwndTBRebar)
SendMessage(_hwndTBRebar, CCM_SETVERSION, COMCTL32_VERSION, 0);
}
void CBrowserBandSite::_InsertToolbarBand()
{
if (_hwndTBRebar && _hwndTB)
{
// Assert that we haven't added the toolbar band yet
ASSERT(SendMessage(_hwndTBRebar, RB_GETBANDCOUNT, 0, 0) == 0);
// Assert that we've calculated toolbar height
ASSERT(_uToolbar);
REBARBANDINFO rbbi;
rbbi.cbSize = sizeof(REBARBANDINFO);
rbbi.fMask = RBBIM_CHILD | RBBIM_CHILDSIZE | RBBIM_STYLE;
// RBBIM_CHILD
rbbi.hwndChild = _hwndTB;
// RBBIM_CHILDSIZE
rbbi.cxMinChild = 0;
rbbi.cyMinChild = _uToolbar - (CY_ETCH + 2 * CY_TBPADDING);
// RBBIM_STYLE
rbbi.fStyle = RBBS_NOGRIPPER | RBBS_USECHEVRON;
SendMessage(_hwndTBRebar, RB_INSERTBAND, -1, (LPARAM)&rbbi);
}
}
void CBrowserBandSite::_UpdateToolbarBand()
{
if (_hwndTBRebar && _hwndTB)
{
// Assert that we've added the toolbar band
ASSERT(SendMessage(_hwndTBRebar, RB_GETBANDCOUNT, 0, 0) == 1);
// Assert that we've calculated toolbar height
ASSERT(_uToolbar);
REBARBANDINFO rbbi;
rbbi.cbSize = sizeof(REBARBANDINFO);
rbbi.fMask = RBBIM_CHILDSIZE;
SIZE size = {0, _uToolbar};
if (SendMessage(_hwndTB, TB_GETIDEALSIZE, FALSE, (LPARAM)&size))
{
// RBBIM_IDEALSIZE
rbbi.fMask |= RBBIM_IDEALSIZE;
rbbi.cxIdeal = size.cx;
}
// RBBIM_CHILDSIZE
rbbi.cxMinChild = 0;
rbbi.cyMinChild = _uToolbar - (CY_ETCH + 2 * CY_TBPADDING);
SendMessage(_hwndTBRebar, RB_SETBANDINFO, 0, (LPARAM)&rbbi);
}
}
void CBrowserBandSite::_CreateTB()
{
ASSERT(!_hwndTB);
// Create a rebar too so we get the chevron
_CreateTBRebar();
if (_hwndTBRebar)
{
_hwndTB = CreateWindowEx(0, TOOLBARCLASSNAME, NULL,
WS_CHILD | WS_VISIBLE | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | TBSTYLE_TOOLTIPS |
TBSTYLE_FLAT | TBSTYLE_LIST | CCS_NODIVIDER | CCS_NOPARENTALIGN | CCS_NORESIZE,
0, 0, 0, 0,
_hwndTBRebar, (HMENU) BBSC_TOOLBAR, HINST_THISDLL, NULL);
}
if (_hwndTB)
{
SendMessage(_hwndTB, TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0);
SendMessage(_hwndTB, CCM_SETVERSION, COMCTL32_VERSION, 0);
// FEATURE: use TBSTYLE_EX_HIDECLIPPEDBUTTONS here? looks kinda goofy so i'm leaving it out for now.
SendMessage(_hwndTB, TB_SETEXTENDEDSTYLE, 0, TBSTYLE_EX_DRAWDDARROWS | TBSTYLE_EX_MIXEDBUTTONS);
SendMessage(_hwndTB, TB_SETMAXTEXTROWS, 1, 0L);
_UpdateToolbarFont();
_InsertToolbarBand();
}
}
void CBrowserBandSite::_RemoveAllButtons()
{
if (!_hwndTB || !_hwndTBRebar)
return;
ShowWindow(_hwndTBRebar, SW_HIDE);
_fToolbar = FALSE;
INT_PTR nCount = SendMessage(_hwndTB, TB_BUTTONCOUNT, 0, 0L);
while (nCount-- > 0)
SendMessage(_hwndTB, TB_DELETEBUTTON, nCount, 0L);
_UpdateLayout();
}
void CBrowserBandSite::_Close()
{
ATOMICRELEASE(_pCmdTarget);
//
// Destroying _hwndTBRebar will take care of _hwndTB too
//
ASSERT(!_hwndTB || IsChild(_hwndTBRebar, _hwndTB));
DESTROY_OBJ_WITH_HANDLE(_hwndTBRebar, DestroyWindow);
DESTROY_OBJ_WITH_HANDLE(_hwndOptionsTB, DestroyWindow);
DESTROY_OBJ_WITH_HANDLE(_hfont, DeleteObject);
SUPERCLASS::_Close();
}
LRESULT CBrowserBandSite::_OnHotItemChange(LPNMTBHOTITEM pnmtb)
{
LRESULT lres = 0;
// We might want to drop down the chevron menu if the hot item change
// flags has these characteristics:
//
// - not HICF_LEAVING, since if HICF_LEAVING, the hot item should instead wrap to _hwndClose
// - and not HICF_MOUSE, since we only drop down on keyboard hot item change
// - HICF_ACCELERATOR | HICF_ARROWKEYS, since we only drop down on keyboard hot item change
// - or HICF_RESELECT, since we force a reselect in _TrySetFocusTB
//
if (!(pnmtb->dwFlags & (HICF_LEAVING | HICF_MOUSE)) &&
(pnmtb->dwFlags & (HICF_RESELECT | HICF_ACCELERATOR | HICF_ARROWKEYS)))
{
// Check to see if new hot button is clipped. If it is,
// then we pop down the chevron menu.
RECT rc;
GetClientRect(_hwndTB, &rc);
int iButton = (int)SendMessage(_hwndTB, TB_COMMANDTOINDEX, pnmtb->idNew, 0);
if (SHIsButtonObscured(_hwndTB, &rc, iButton))
{
// Clear hot item
SendMessage(_hwndTB, TB_SETHOTITEM, -1, 0);
// Figure out whether to highlight first or last item in menu
UINT uSelect;
int cButtons = (int)SendMessage(_hwndTB, TB_BUTTONCOUNT, 0, 0);
if (iButton == cButtons - 1)
uSelect = DBPC_SELECTLAST;
else
uSelect = DBPC_SELECTFIRST;
// Pop it down
SendMessage(_hwndTBRebar, RB_PUSHCHEVRON, 0, uSelect);
lres = 1;
}
}
return lres;
}
LRESULT CBrowserBandSite::_OnNotifyBBS(LPNMHDR pnm)
{
switch (pnm->code)
{
case TBN_DROPDOWN:
if (EVAL(_pCmdTarget))
{
LPNMTOOLBAR pnmtoolbar = (LPNMTOOLBAR)pnm;
VARIANTARG var;
RECT rc = pnmtoolbar->rcButton;
var.vt = VT_I4;
MapWindowPoints(_hwndTB, HWND_DESKTOP, (LPPOINT)&rc, 2);
var.lVal = MAKELONG(rc.left, rc.bottom);
_pCmdTarget->Exec(&_guidButtonGroup, pnmtoolbar->iItem, OLECMDEXECOPT_PROMPTUSER, &var, NULL);
}
break;
case TBN_WRAPHOTITEM:
{
LPNMTBWRAPHOTITEM pnmwh = (LPNMTBWRAPHOTITEM) pnm;
if (pnmwh->nReason & HICF_ARROWKEYS) {
if (pnm->hwndFrom == _hwndOptionsTB) {
if (_TrySetFocusTB(pnmwh->iDir) != S_OK)
return 0;
} else {
ASSERT(pnm->hwndFrom == _hwndTB);
SetFocus(_hwndOptionsTB);
}
return 1;
}
}
break;
case TBN_HOTITEMCHANGE:
if (pnm->hwndFrom == _hwndTB)
return _OnHotItemChange((LPNMTBHOTITEM)pnm);
break;
case TBN_GETINFOTIP:
// [scotthan] We'll ask the toolbar owner for tip text via
// IOleCommandTarget::QueryStatus, like we do w/ defview for itbar buttons
if (_pCmdTarget && pnm->hwndFrom == _hwndTB)
{
NMTBGETINFOTIP* pgit = (NMTBGETINFOTIP*)pnm ;
OLECMDTEXTV<MAX_TOOLTIP_STRING> cmdtv;
OLECMDTEXT *pcmdText = &cmdtv;
pcmdText->cwBuf = MAX_TOOLTIP_STRING;
pcmdText->cmdtextf = OLECMDTEXTF_NAME;
pcmdText->cwActual = 0;
OLECMD rgcmd = {pgit->iItem, 0};
HRESULT hr = _pCmdTarget->QueryStatus(&_guidButtonGroup, 1, &rgcmd, pcmdText);
if (SUCCEEDED(hr) && (pcmdText->cwActual))
{
SHUnicodeToTChar(pcmdText->rgwz, pgit->pszText, pgit->cchTextMax);
return 1;
}
}
break ;
case RBN_CHEVRONPUSHED:
LPNMREBARCHEVRON pnmch = (LPNMREBARCHEVRON) pnm;
MapWindowPoints(pnmch->hdr.hwndFrom, HWND_DESKTOP, (LPPOINT)&pnmch->rc, 2);
ToolbarMenu_Popup(_hwnd, &pnmch->rc, NULL, _hwndTB, 0, (DWORD)pnmch->lParamNM);
return 1;
}
return 0;
}
// *** IWinEventHandler ***
HRESULT CBrowserBandSite::OnWinEvent(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT *plres)
{
switch (uMsg)
{
case WM_COMMAND:
{
HWND hwndControl = GET_WM_COMMAND_HWND(wParam, lParam);
UINT idCmd = GET_WM_COMMAND_ID(wParam, lParam);
if (hwndControl && hwndControl == _hwndTB)
{
if (EVAL(_pCmdTarget))
{
RECT rc;
VARIANTARG var;
var.vt = VT_I4;
SendMessage(_hwndTB, TB_GETRECT, idCmd, (LPARAM)&rc);
MapWindowPoints(_hwndTB, HWND_DESKTOP, (LPPOINT)&rc, 2);
var.lVal = MAKELONG(rc.left, rc.bottom);
_pCmdTarget->Exec(&_guidButtonGroup, idCmd, 0, &var, NULL);
}
return S_OK;
}
else if (hwndControl == _hwndOptionsTB) {
switch (idCmd) {
case IDM_AB_CLOSE:
IUnknown_Exec(_punkSite, &CGID_DeskBarClient, DBCID_EMPTY, 0, NULL, NULL);
break;
case IDM_AB_AUTOHIDE:
{
VARIANTARG v = {0};
v.vt = VT_I4;
v.lVal = _fNoAutoHide;
IUnknown_Exec(_punkSite, &CGID_Theater, THID_SETBROWSERBARAUTOHIDE, 0, &v, NULL);
break;
}
}
return S_OK;
}
}
break;
case WM_NOTIFY:
{
LPNMHDR pnm = (LPNMHDR)lParam;
if (pnm && (pnm->hwndFrom == _hwndTB || pnm->hwndFrom == _hwndOptionsTB || pnm->hwndFrom == _hwndTBRebar)) {
*plres = _OnNotifyBBS(pnm);
return S_OK;
}
}
break;
case WM_SIZE:
{
POINT pt = {LOWORD(lParam), HIWORD(lParam)};
_PositionToolbars(&pt);
}
break;
}
return SUPERCLASS::OnWinEvent(hwnd, uMsg, wParam, lParam, plres);
}
HRESULT CBrowserBandSite::IsWindowOwner(HWND hwnd)
{
if (hwnd && (hwnd == _hwndTB) || (hwnd == _hwndOptionsTB) || (hwnd == _hwndTBRebar))
return S_OK;
return SUPERCLASS::IsWindowOwner(hwnd);
}
// *** IBandSite ***
HRESULT CBrowserBandSite::SetBandSiteInfo(const BANDSITEINFO * pbsinfo)
{
// recompute our layout if vertical viewmode is changing
BOOL fUpdate = ((pbsinfo->dwMask & BSIM_STATE) &&
((pbsinfo->dwState ^ _dwMode) & DBIF_VIEWMODE_VERTICAL));
// ...or if caption is turned on or off
BOOL fCaptionStyleChanged = ( (pbsinfo->dwMask & BSIM_STYLE)
&& ((pbsinfo->dwStyle ^ _dwStyle) & BSIS_NOCAPTION));
HRESULT hres = SUPERCLASS::SetBandSiteInfo(pbsinfo);
if (fCaptionStyleChanged && _hwndOptionsTB)
{
if (_fToolbar) {
// don't know if "new" band requires buttons or not, expect band to add buttons again if needed
_RemoveAllButtons();
}
// show or hide close/hide toolbar; is always created since bandsites get reused!
::ShowWindow(_hwndOptionsTB, (_dwStyle & BSIS_NOCAPTION) ? SW_HIDE : SW_SHOW);
}
if (fUpdate || fCaptionStyleChanged) {
_InitLayout();
}
return hres;
}
// *** IExplorerToolbar ***
HRESULT CBrowserBandSite::SetCommandTarget(IUnknown* punkCmdTarget, const GUID* pguidButtonGroup, DWORD dwFlags)
{
HRESULT hres = S_OK;
BOOL fRemoveButtons = TRUE;
// dwFlags is not used
ASSERT(!(dwFlags));
ATOMICRELEASE(_pCmdTarget);
if (punkCmdTarget && pguidButtonGroup)
{
hres = punkCmdTarget->QueryInterface(IID_IOleCommandTarget, (void**)&(_pCmdTarget));
if (!_hwndTB)
{
_CreateTB();
}
else if (_fToolbar && IsEqualGUID(_guidButtonGroup, *pguidButtonGroup))
{
fRemoveButtons = FALSE;
hres = S_FALSE;
}
_guidButtonGroup = *pguidButtonGroup;
}
else
ASSERT(!punkCmdTarget);
if (fRemoveButtons)
_RemoveAllButtons();
ASSERT(SUCCEEDED(hres));
return hres;
}
// client should have already called AddString
HRESULT CBrowserBandSite::AddButtons(const GUID* pguidButtonGroup, UINT nButtons, const TBBUTTON* lpButtons)
{
if (!_hwndTB || !nButtons)
return E_FAIL;
_RemoveAllButtons();
if (SendMessage(_hwndTB, TB_ADDBUTTONS, nButtons, (LPARAM)lpButtons))
{
ShowWindow(_hwndTBRebar, SW_SHOW);
_fToolbar = TRUE;
_UpdateLayout();
return S_OK;
}
return E_FAIL;
}
HRESULT CBrowserBandSite::AddString(const GUID* pguidButtonGroup, HINSTANCE hInst, UINT_PTR uiResID, LRESULT* pOffset)
{
*pOffset = -1;
if (!_hwndTB)
return E_FAIL;
*pOffset = SendMessage(_hwndTB, TB_ADDSTRING, (WPARAM)hInst, (LPARAM)uiResID);
if (*pOffset != -1)
return S_OK;
return E_FAIL;
}
HRESULT CBrowserBandSite::GetButton(const GUID* pguidButtonGroup, UINT uiCommand, LPTBBUTTON lpButton)
{
if (!_hwndTB)
return E_FAIL;
UINT_PTR uiIndex = SendMessage(_hwndTB, TB_COMMANDTOINDEX, uiCommand, 0L);
if (SendMessage(_hwndTB, TB_GETBUTTON, uiIndex, (LPARAM)lpButton))
return S_OK;
return E_FAIL;
}
HRESULT CBrowserBandSite::GetState(const GUID* pguidButtonGroup, UINT uiCommand, UINT* pfState)
{
if (!_hwndTB)
return E_FAIL;
*pfState = (UINT)SendMessage(_hwndTB, TB_GETSTATE, uiCommand, 0L);
return S_OK;
}
HRESULT CBrowserBandSite::SetState(const GUID* pguidButtonGroup, UINT uiCommand, UINT fState)
{
if (!_hwndTB)
return E_FAIL;
UINT_PTR uiState = SendMessage(_hwndTB, TB_GETSTATE, uiCommand, NULL);
uiState ^= fState;
if (uiState)
SendMessage(_hwndTB, TB_SETSTATE, uiCommand, (LPARAM)fState);
return S_OK;
}
HRESULT CBrowserBandSite::SetImageList( const GUID* pguidCmdGroup, HIMAGELIST himlNormal, HIMAGELIST himlHot, HIMAGELIST himlDisabled)
{
if (IsEqualGUID(*pguidCmdGroup, _guidButtonGroup)) {
SendMessage(_hwndTB, TB_SETIMAGELIST, 0, (LPARAM)himlNormal);
SendMessage(_hwndTB, TB_SETHOTIMAGELIST, 0, (LPARAM)himlHot);
SendMessage(_hwndTB, TB_SETDISABLEDIMAGELIST, 0, (LPARAM)himlDisabled);
}
return S_OK;
};
BYTE TBStateFromIndex(HWND hwnd, int iIndex)
{
TBBUTTONINFO tbbi;
tbbi.cbSize = sizeof(TBBUTTONINFO);
tbbi.dwMask = TBIF_BYINDEX | TBIF_STATE;
tbbi.fsState = 0;
SendMessage(hwnd, TB_GETBUTTONINFO, iIndex, (LPARAM)&tbbi);
return tbbi.fsState;
}
int CBrowserBandSite::_ContextMenuHittest(LPARAM lParam, POINT* ppt)
{
if (lParam == (LPARAM)-1)
{
//
// Keyboard activation. If one of our toolbars has
// focus, and it has a hottracked button, put up the
// context menu below that button.
//
HWND hwnd = GetFocus();
if (hwnd && (hwnd == _hwndTB || hwnd == _hwndOptionsTB))
{
INT_PTR iHot = SendMessage(hwnd, TB_GETHOTITEM, 0, 0);
if (iHot == -1)
{
// couldn't find a hot item, just use the first visible button
iHot = 0;
while (TBSTATE_HIDDEN & TBStateFromIndex(hwnd, (int)iHot))
iHot++;
ASSERT(iHot < SendMessage(hwnd, TB_BUTTONCOUNT, 0, 0));
}
RECT rc;
SendMessage(hwnd, TB_GETITEMRECT, iHot, (LPARAM)&rc);
ppt->x = rc.left;
ppt->y = rc.bottom;
MapWindowPoints(hwnd, HWND_DESKTOP, ppt, 1);
return -1;
}
}
return SUPERCLASS::_ContextMenuHittest(lParam, ppt);
}
HMENU CBrowserBandSite::_LoadContextMenu()
{
HMENU hmenu = SUPERCLASS::_LoadContextMenu();
DeleteMenu(hmenu, BSIDM_SHOWTITLEBAND, MF_BYCOMMAND);
return hmenu;
}
// create the options (close/hide) buttons
void CBrowserBandSite::_CreateOptionsTB()
{
// create toolbar for close/hide button always since band site is reused
// for captionless band sites (iBar), this toolbar is only hidden
_hwndOptionsTB = CreateWindowEx(0, TOOLBARCLASSNAME, NULL,
WS_VISIBLE |
WS_CHILD | TBSTYLE_FLAT | TBSTYLE_TOOLTIPS |
WS_CLIPCHILDREN |
WS_CLIPSIBLINGS | CCS_NODIVIDER | CCS_NOMOVEY | CCS_NOPARENTALIGN |
CCS_NORESIZE,
0, 0, 30, 18, _hwnd, 0, HINST_THISDLL, NULL);
_PrepareOptionsTB();
}
// init as toolbar and load bitmaps
void CBrowserBandSite::_PrepareOptionsTB()
{
if (_hwndOptionsTB)
{
static const TBBUTTON c_tb[] =
{
{ 0, IDM_AB_AUTOHIDE, TBSTATE_ENABLED, TBSTYLE_CHECK, {0,0}, 0, 0 },
{ 1, IDM_AB_CLOSE, TBSTATE_ENABLED, TBSTYLE_BUTTON, {0,0}, 0, 1 }
};
SendMessage(_hwndOptionsTB, TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0);
SendMessage(_hwndOptionsTB, CCM_SETVERSION, COMCTL32_VERSION, 0);
SendMessage(_hwndOptionsTB, TB_SETBITMAPSIZE, 0, (LPARAM) MAKELONG(13, 11));
TBADDBITMAP tbab = { HINST_THISDLL, IDB_BROWSERTOOLBAR };
SendMessage(_hwndOptionsTB, TB_ADDBITMAP, 3, (LPARAM)&tbab);
LONG_PTR cbOffset = SendMessage(_hwndOptionsTB, TB_ADDSTRING, (WPARAM)MLGetHinst(), (LPARAM)IDS_BANDSITE_CLOSE_LABELS);
TBBUTTON tb[ARRAYSIZE(c_tb)];
UpdateButtonArray(tb, c_tb, ARRAYSIZE(c_tb), cbOffset);
SendMessage(_hwndOptionsTB, TB_SETMAXTEXTROWS, 0, 0);
SendMessage(_hwndOptionsTB, TB_ADDBUTTONS, ARRAYSIZE(tb), (LPARAM)tb);
SendMessage(_hwndOptionsTB, TB_SETINDENT, (WPARAM)0, 0);
_SizeOptionsTB();
}
}
void CBrowserBandSite::_PositionToolbars(LPPOINT ppt)
{
RECT rc;
if (ppt)
{
rc.left = 0;
rc.right = ppt->x;
}
else
{
GetClientRect(_hwnd, &rc);
}
if (_hwndOptionsTB)
{
// always put the close restore at the top right of the floater window
int x;
if (_dwMode & DBIF_VIEWMODE_VERTICAL)
{
RECT rcTB;
GetWindowRect(_hwndOptionsTB, &rcTB);
x = rc.right - RECTWIDTH(rcTB) - 1;
}
else
{
x = rc.left;
}
MARGINS mBorders = {0, 1, 0, 0}; // 1 mimics old behavior downlevel.
Comctl32_GetBandMargins(_hwnd, &mBorders);
SetWindowPos(_hwndOptionsTB, HWND_TOP, x - mBorders.cxRightWidth, mBorders.cyTopHeight, 0, 0, SWP_NOSIZE | SWP_NOACTIVATE);
}
if (_hwndTBRebar)
{
if (_fToolbar)
{
// toolbar goes on its own line below title
SetWindowPos(_hwndTBRebar, HWND_TOP,
rc.left + CX_TBOFFSET,
_uTitle + CX_TBOFFSET,
rc.right - 2 * CX_TBOFFSET,
_uToolbar,
SWP_SHOWWINDOW);
}
else
{
ASSERT(!IsWindowVisible(_hwndTBRebar));
}
}
}
// sets the size of the toolbar. if we're in theater mode, we need to show the pushpin.
// otherwise just show the close
void CBrowserBandSite::_SizeOptionsTB()
{
RECT rc;
GetWindowRect(_hwndOptionsTB, &rc);
LRESULT lButtonSize = SendMessage(_hwndOptionsTB, TB_GETBUTTONSIZE, 0, 0L);
SetWindowPos(_hwndOptionsTB, NULL, 0, 0, LOWORD(lButtonSize) * (_fTheater ? 2 : 1),
RECTHEIGHT(rc), SWP_NOMOVE | SWP_NOACTIVATE);
DWORD_PTR dwState = SendMessage(_hwndOptionsTB, TB_GETSTATE, IDM_AB_AUTOHIDE, 0);
dwState &= ~(TBSTATE_HIDDEN | TBSTATE_CHECKED);
if (!_fTheater)
dwState |= TBSTATE_HIDDEN;
if (_fNoAutoHide)
dwState |= TBSTATE_CHECKED;
SendMessage(_hwndOptionsTB, TB_SETSTATE, IDM_AB_AUTOHIDE, dwState);
_PositionToolbars(NULL);
}
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