Windows NT 4.0 source code leak
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#include "ctlspriv.h"
#define RECOMPUTE 32767
#ifndef TCS_FORCEICONLEFT
#define TCS_FORCEICONLEFT 0x0010 // 0nly for fixed width mode
#define TCS_FORCELABELLEFT 0x0020 // 0nly for fixed width mode
#endif
// tab control item structure
typedef struct { // ti
RECT rc; // for hit testing and drawing
int iImage; // image index
int xLabel; // position of the text for drawing
int yLabel;
int xImage; // Position of the icon for drawing
int yImage;
int iRow; // what row is it in?
LPTSTR pszText;
union {
LPARAM lParam;
BYTE abExtra[1];
#if defined(WINDOWS_ME)
UINT etoRtlReading;
#endif
};
} TABITEM, FAR *LPTABITEM;
typedef struct {
HWND hwnd; // window handle for this instance
HWND hwndArrows; // Hwnd Arrows.
HDPA hdpa; // item array structure
UINT flags; // TCF_ values (internal state bits)
LONG style;
int cbExtra; // extra bytes allocated for each item
HFONT hfontLabel; // font to use for labels
int iSel; // index of currently-focused item
int iNewSel; // index of next potential selection
int cxItem; // width of all tabs
int cxMinTab; // width of minimum tab
int cyTabs; // height of a row of tabs
int cxTabs; // The right hand edge where tabs can be painted.
int cxyArrows; // width and height to draw arrows
int iFirstVisible; // the index of the first visible item.
// wont fit and we need to scroll.
int iLastVisible; // Which one was the last one we displayed?
int cxPad; // Padding space between edges and text/image
int cyPad; // should be a multiple of c?Edge
int iTabWidth; // size of each tab in fixed width mode
int iTabHeight; // settable size of each tab
int iLastRow; // number of the last row.
int cyText; // where to put the text vertically
int cyIcon; // where to put the icon vertically
HIMAGELIST himl; // images,
HWND hwndToolTips;
#ifdef FE_IME
HIMC hPrevImc; // previous input context handle
#endif
BOOL bUnicode; // Unicode or ANSI WM_NOTIFY's
} TC, NEAR *PTC;
#define HASIMAGE(ptc, pitem) (ptc->himl && pitem->iImage != -1)
// tab control flag values
#define TCF_FOCUSED 0x0001
#define TCF_MOUSEDOWN 0x0002
#define TCF_DRAWSUNKEN 0x0004
#define TCF_REDRAW 0x0010 /* Value from WM_SETREDRAW message */
#define TCF_BUTTONS 0x0020 /* draw using buttons instead of tabs */
#define ID_ARROWS 1
// Some helper macros for checking some of the flags...
#define Tab_RedrawEnabled(ptc) (ptc->flags & TCF_REDRAW)
#define Tab_Count(ptc) DPA_GetPtrCount((ptc)->hdpa)
#define Tab_GetItemPtr(ptc, i) ((LPTABITEM)DPA_GetPtr((ptc)->hdpa, (i)))
#define Tab_FastGetItemPtr(ptc, i) ((LPTABITEM)DPA_FastGetPtr((ptc)->hdpa, (i)))
#define Tab_DrawButtons(ptc) ((BOOL)(ptc->style & TCS_BUTTONS))
#define Tab_MultiLine(ptc) ((BOOL)(ptc->style & TCS_MULTILINE))
#define Tab_RaggedRight(ptc) ((BOOL)(ptc->style & TCS_RAGGEDRIGHT))
#define Tab_FixedWidth(ptc) ((BOOL)(ptc->style & TCS_FIXEDWIDTH))
#define Tab_ForceLabelLeft(ptc) ((BOOL)(ptc->style & TCS_FORCELABELLEFT))
#define Tab_ForceIconLeft(ptc) ((BOOL)(ptc->style & TCS_FORCEICONLEFT))
#define Tab_FocusOnButtonDown(ptc) ((BOOL)(ptc->style & TCS_FOCUSONBUTTONDOWN))
#define Tab_OwnerDraw(ptc) ((BOOL)(ptc->style & TCS_OWNERDRAWFIXED))
#define Tab_FocusNever(ptc) ((BOOL)(ptc->style & TCS_FOCUSNEVER))
LRESULT CALLBACK Tab_WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
void NEAR PASCAL InvalidateItem(PTC ptc, int iItem, BOOL bErase);
void NEAR PASCAL CalcPaintMetrics(PTC ptc, HDC hdc);
void NEAR PASCAL Tab_OnHScroll(PTC ptc, HWND hwndCtl, UINT code, int pos);
BOOL NEAR Tab_FreeItem(PTC ptc, TABITEM FAR* pitem);
void NEAR Tab_UpdateArrows(PTC ptc, BOOL fSizeChanged);
int NEAR PASCAL ChangeSel(PTC ptc, int iNewSel, BOOL bSendNotify);
BOOL NEAR PASCAL RedrawAll(PTC ptc, UINT uFlags);
BOOL FAR PASCAL Tab_Init(HINSTANCE hinst);
void NEAR PASCAL UpdateToolTipRects(PTC ptc);
#ifdef UNICODE
//
// ANSI <=> UNICODE thunks
//
TC_ITEMW * ThunkItemAtoW (PTC ptc, TC_ITEMA * pItemA);
BOOL ThunkItemWtoA (PTC ptc, TC_ITEMW * pItemW, TC_ITEMA * pItemA);
BOOL FreeItemW (TC_ITEMW *pItemW);
BOOL FreeItemA (TC_ITEMA *pItemA);
#endif
#pragma code_seg(CODESEG_INIT)
BOOL FAR PASCAL Tab_Init(HINSTANCE hinst)
{
WNDCLASS wc;
if (!GetClassInfo(hinst, c_szTabControlClass, &wc)) {
#ifndef WIN32
extern LRESULT CALLBACK _Tab_WndProc(HWND, UINT, WPARAM, LPARAM);
wc.lpfnWndProc = _Tab_WndProc;
#else
wc.lpfnWndProc = Tab_WndProc;
#endif
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hIcon = NULL;
wc.lpszMenuName = NULL;
wc.hInstance = hinst;
wc.lpszClassName = c_szTabControlClass;
wc.hbrBackground = (HBRUSH)(COLOR_3DFACE + 1);
wc.style = CS_GLOBALCLASS | CS_HREDRAW | CS_VREDRAW;
wc.cbWndExtra = sizeof(PTC);
wc.cbClsExtra = 0;
return RegisterClass(&wc);
}
return TRUE;
}
#pragma code_seg()
void NEAR PASCAL Tab_Scroll(PTC ptc, int dx, int iNewFirstIndex)
{
int i;
int iMax;
RECT rc;
LPTABITEM pitem = NULL;
// don't stomp on edge unless first item is selected
rc.left = g_cxEdge;
rc.right = ptc->cxTabs; // Dont scroll beyond tabs.
rc.top = 0;
rc.bottom = ptc->cyTabs + 2 * g_cyEdge; // Only scroll in the tab area
// See if we can scroll the window...
// DebugMsg(DM_TRACE, TEXT("Tab_Scroll dx=%d, iNew=%d\n\r"), dx, iNewFirstIndex);
ScrollWindowEx(ptc->hwnd, dx, 0, NULL, &rc,
NULL, NULL, SW_INVALIDATE | SW_ERASE);
// We also need to update the item rectangles and also
// update the internal variables...
iMax = Tab_Count(ptc) - 1;
for (i = iMax; i >= 0; i--)
{
pitem = Tab_FastGetItemPtr(ptc, i);
OffsetRect(&pitem->rc, dx, 0);
pitem->xLabel += dx; // also need to offset text
pitem->xImage += dx;
}
// If the previously last visible item is not fully visible
// now, we need to invalidate it also.
//
if (ptc->iLastVisible > iMax)
ptc->iLastVisible = iMax;
for (i = ptc->iLastVisible; i>= 0; i--)
{
pitem = Tab_GetItemPtr(ptc, i);
if (pitem) {
if (pitem->rc.right <= ptc->cxTabs)
break;
InvalidateItem(ptc, ptc->iLastVisible, TRUE);
}
}
if ((i == ptc->iLastVisible) && pitem)
{
// The last previously visible item is still fully visible, so
// we need to invalidate to the right of it as there may have been
// room for a partial item before, that will now need to be drawn.
rc.left = pitem->rc.right;
InvalidateRect(ptc->hwnd, &rc, TRUE);
}
ptc->iFirstVisible = iNewFirstIndex;
if (ptc->hwndArrows)
SendMessage(ptc->hwndArrows, UDM_SETPOS, 0, MAKELPARAM(iNewFirstIndex, 0));
UpdateToolTipRects(ptc);
}
void NEAR PASCAL Tab_OnHScroll(PTC ptc, HWND hwndCtl, UINT code, int pos)
{
// Now process the Scroll messages
if (code == SB_THUMBPOSITION)
{
//
// For now lets simply try to set that item as the first one
//
{
// If we got here we need to scroll
LPTABITEM pitem = Tab_GetItemPtr(ptc, pos);
int dx = 0;
if (pitem)
dx = -pitem->rc.left + g_cxEdge;
if (dx || !pitem) {
Tab_Scroll(ptc, dx, pos);
UpdateWindow(ptc->hwnd);
}
}
}
}
void NEAR Tab_OnSetRedraw(PTC ptc, BOOL fRedraw)
{
if (fRedraw) {
ptc->flags |= TCF_REDRAW;
} else {
ptc->flags &= ~TCF_REDRAW;
}
}
void NEAR Tab_OnSetFont(PTC ptc, HFONT hfont, BOOL fRedraw)
{
Assert(ptc);
if (!hfont)
return;
if (hfont != ptc->hfontLabel)
{
ptc->hfontLabel = hfont;
ptc->cxItem = ptc->cyTabs = RECOMPUTE;
RedrawAll(ptc, RDW_INVALIDATE | RDW_ERASE);
}
}
BOOL NEAR Tab_OnCreate(PTC ptc, CREATESTRUCT FAR* lpCreateStruct)
{
HDC hdc;
ptc->hdpa = DPA_Create(4);
if (!ptc->hdpa)
return FALSE;
ptc->style = lpCreateStruct->style;
// make sure we don't have invalid bits set
if (!Tab_FixedWidth(ptc)) {
ptc->style &= ~(TCS_FORCEICONLEFT | TCS_FORCELABELLEFT);
}
// make us always clip siblings
SetWindowLong(ptc->hwnd, GWL_STYLE, WS_CLIPSIBLINGS | ptc->style);
ptc->flags = TCF_REDRAW; // enable redraw
ptc->cbExtra = sizeof(LPARAM); // default extra size
ptc->iSel = -1;
ptc->cxItem = ptc->cyTabs = RECOMPUTE;
ptc->cxPad = g_cxEdge * 3;
ptc->cyPad = (g_cyEdge * 3/2);
ptc->iFirstVisible = 0;
ptc->hwndArrows = NULL;
ptc->iLastRow = -1;
ptc->iNewSel = -1;
hdc = GetDC(NULL);
ptc->iTabWidth = GetDeviceCaps(hdc, LOGPIXELSX);
ReleaseDC(NULL, hdc);
#ifndef WIN31
//BUGBUG remove this after move to commctrl
InitDitherBrush();
#endif
if (ptc->style & TCS_TOOLTIPS) {
TOOLINFO ti;
// don't bother setting the rect because we'll do it below
// in FlushToolTipsMgr;
ti.cbSize = sizeof(ti);
ti.uFlags = TTF_IDISHWND;
ti.hwnd = ptc->hwnd;
ti.uId = (UINT)ptc->hwnd;
ti.lpszText = 0;
ptc->hwndToolTips = CreateWindow(c_szSToolTipsClass, TEXT(""),
WS_POPUP,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
ptc->hwnd, NULL, HINST_THISDLL,
NULL);
if (ptc->hwndToolTips)
SendMessage(ptc->hwndToolTips, TTM_ADDTOOL, 0,
(LPARAM)(LPTOOLINFO)&ti);
else
ptc->style &= ~(TCS_TOOLTIPS);
}
#ifdef FE_IME
ptc->hPrevImc = ImmAssociateContext(ptc->hwnd, 0L);
#endif
return TRUE;
}
void NEAR Tab_OnDestroy(PTC ptc)
{
int i;
if (ptc->style & TCS_TOOLTIPS) {
DestroyWindow(ptc->hwndToolTips);
}
#ifdef FE_IME
ImmAssociateContext(ptc->hwnd, ptc->hPrevImc);
#endif
for (i = 0; i < Tab_Count(ptc); i++)
Tab_FreeItem(ptc, Tab_FastGetItemPtr(ptc, i));
DPA_Destroy(ptc->hdpa);
if (ptc) {
SetWindowInt(ptc->hwnd, 0, 0);
NearFree((HLOCAL)ptc);
}
#ifndef WIN31
//BUGBUG remove this after move to commctrl
TerminateDitherBrush();
#endif
}
// returns true if it actually moved
BOOL NEAR PASCAL PutzRowToBottom(PTC ptc, int iRowMoving)
{
int i;
LPTABITEM pitem;
int dy;
if (iRowMoving == ptc->iLastRow)
return FALSE; // already at the bottom;
for (i = Tab_Count(ptc) -1 ;i >= 0; i--) {
pitem = Tab_FastGetItemPtr(ptc, i);
if (pitem->iRow > iRowMoving) {
pitem->iRow--;
dy = -ptc->cyTabs;
} else if (pitem->iRow == iRowMoving) {
dy = ptc->cyTabs * (ptc->iLastRow - iRowMoving);
pitem->iRow = ptc->iLastRow;
} else
continue;
pitem->yLabel += dy;
pitem->yImage += dy;
pitem->rc.top += dy;
pitem->rc.bottom += dy;
}
UpdateToolTipRects(ptc);
return TRUE;
}
#define BADNESS(ptc, i) (ptc->cxTabs - Tab_FastGetItemPtr(ptc, i)->rc.right)
// borrow one tab from the prevous row
BOOL NEAR PASCAL BorrowOne(PTC ptc, int iCurLast, int iPrevLast, int iBorrow)
{
LPTABITEM pitem, pitem2;
int i;
int dx;
// is there room to move the prev item? (might now be if iPrev is huge)
pitem = Tab_FastGetItemPtr(ptc, iPrevLast);
pitem2 = Tab_FastGetItemPtr(ptc, iCurLast);
// if the size of the item is greaterthan the badness
if (BADNESS(ptc, iCurLast) < (pitem->rc.right - pitem->rc.left))
return FALSE;
// otherwise do it.
// move this one down
dx = pitem->rc.left - Tab_FastGetItemPtr(ptc, iPrevLast + 1)->rc.left;
pitem->rc.left -= dx;
pitem->rc.right -= dx;
pitem->rc.top = pitem2->rc.top;
pitem->rc.bottom = pitem2->rc.bottom;
pitem->xLabel -= dx;
pitem->xImage -= dx;
pitem->yLabel = pitem2->yLabel;
pitem->yImage = pitem2->yImage;
pitem->iRow = pitem2->iRow;
// and move all the others over.
dx = pitem->rc.right - pitem->rc.left;
for(i = iPrevLast + 1 ; i <= iCurLast ; i++ ) {
pitem = Tab_FastGetItemPtr(ptc, i);
pitem->rc.left += dx;
pitem->rc.right += dx;
pitem->xLabel += dx;
pitem->xImage += dx;
}
if (iBorrow) {
if (pitem->iRow > 1) {
// borrow one from the next row up.
// setup the new iCurLast as the one right before the one we moved
// (the one we moved is now the current row's first
// and hunt backwards until we find an iPrevLast
iCurLast = iPrevLast - 1;
while (iPrevLast-- &&
Tab_FastGetItemPtr(ptc, iPrevLast)->iRow == (pitem->iRow - 1))
{
if (iPrevLast <= 0)
{
// sanity check
return FALSE;
}
}
return BorrowOne(ptc, iCurLast, iPrevLast, iBorrow - 1 );
} else
return FALSE;
}
return TRUE;
}
// fill last row will fiddle around borrowing from the previous row(s)
// to keep from having huge huge bottom tabs
void NEAR PASCAL FillLastRow(PTC ptc)
{
int hspace;
int cItems = Tab_Count(ptc);
int iPrevLast;
int iBorrow = 0;
// if no items or one row
if (!cItems)
return;
for (iPrevLast = cItems - 2;
Tab_FastGetItemPtr(ptc, iPrevLast)->iRow == ptc->iLastRow;
iPrevLast--)
{
// sanity check
if (iPrevLast <= 0)
{
Assert(FALSE);
return;
}
}
while (iPrevLast && (hspace = BADNESS(ptc, cItems-1)) &&
(hspace > ((ptc->cxTabs/8) + BADNESS(ptc, iPrevLast))))
{
// if borrow fails, bail
if (!BorrowOne(ptc, cItems - 1, iPrevLast, iBorrow++))
return;
iPrevLast--;
}
}
void NEAR PASCAL RightJustify(PTC ptc)
{
int i;
LPTABITEM pitem;
int j;
int cItems = Tab_Count(ptc);
int hspace, dwidth, dremainder, moved;
// don't justify if only one row
if (ptc->iLastRow < 1)
return;
FillLastRow(ptc);
for ( i = 0; i < cItems; i++ ) {
int iRow;
pitem = Tab_FastGetItemPtr(ptc, i) ;
iRow = pitem->iRow;
// find the last item in this row
for( j = i ; j < cItems; j++) {
if(Tab_FastGetItemPtr(ptc, j)->iRow != iRow)
break;
}
// how much to fill
hspace = ptc->cxTabs - Tab_FastGetItemPtr(ptc, j-1)->rc.right - g_cxEdge;
dwidth = hspace/(j-i); // amount to increase each by.
dremainder = hspace % (j-i); // the remnants
moved = 0; // how much we've moved already
for( ; i < j ; i++ ) {
int iHalf = dwidth/2;
pitem = Tab_FastGetItemPtr(ptc, i);
pitem->rc.left += moved;
pitem->xLabel += moved + iHalf;
pitem->xImage += moved + iHalf;
moved += dwidth + (dremainder ? 1 : 0);
if ( dremainder ) dremainder--;
pitem->rc.right += moved;
}
i--; //dec because the outter forloop incs again.
}
}
BOOL NEAR Tab_OnDeleteAllItems(PTC ptc)
{
int i;
for (i = Tab_Count(ptc); i-- > 0; i) {
if(ptc->hwndToolTips) {
TOOLINFO ti;
ti.cbSize = sizeof(ti);
ti.hwnd = ptc->hwnd;
ti.uId = i;
SendMessage(ptc->hwndToolTips, TTM_DELTOOL, 0,
(LPARAM)(LPTOOLINFO)&ti);
}
Tab_FreeItem(ptc, Tab_FastGetItemPtr(ptc, i));
}
DPA_DeleteAllPtrs(ptc->hdpa);
ptc->cxItem = RECOMPUTE; // force recomputing of all tabs
ptc->iSel = -1;
RedrawAll(ptc, RDW_INVALIDATE | RDW_ERASE);
return TRUE;
}
BOOL NEAR Tab_OnSetItemExtra(PTC ptc, int cbExtra)
{
if (Tab_Count(ptc) >0 || cbExtra<0)
return FALSE;
ptc->cbExtra = cbExtra;
return TRUE;
}
BOOL NEAR Tab_OnSetItem(PTC ptc, int iItem, const TC_ITEM FAR* ptci)
{
TABITEM FAR* pitem;
UINT mask;
BOOL fRedraw = FALSE;
mask = ptci->mask;
if (!mask)
return TRUE;
pitem = Tab_GetItemPtr(ptc, iItem);
if (!pitem)
return FALSE;
if (mask & TCIF_TEXT)
{
if (!Str_Set(&pitem->pszText, ptci->pszText))
return FALSE;
fRedraw = TRUE;
#if defined(WINDOWS_ME)
pitem->etoRtlReading = (mask & TCIF_RTLREADING) ?ETO_RTLREADING :0;
#endif
}
if (mask & TCIF_IMAGE) {
pitem->iImage = ptci->iImage;
fRedraw = TRUE;
}
if ((mask & TCIF_PARAM) && ptc->cbExtra)
{
hmemcpy(pitem->abExtra, &ptci->lParam, ptc->cbExtra);
}
if (fRedraw) {
if (Tab_FixedWidth(ptc)) {
InvalidateItem(ptc, iItem, FALSE);
} else {
ptc->cxItem = ptc->cyTabs = RECOMPUTE;
RedrawAll(ptc, RDW_INVALIDATE | RDW_NOCHILDREN | RDW_ERASE);
}
}
return TRUE;
}
void NEAR PASCAL Tab_OnMouseMove(PTC ptc, WPARAM fwKeys, int x, int y)
{
POINT pt={x,y};
if (fwKeys & MK_LBUTTON && Tab_DrawButtons(ptc)) {
LPTABITEM pitem = Tab_GetItemPtr(ptc, ptc->iNewSel);
if (pitem == NULL)
return; // nothing to select (empty case)
if (PtInRect(&pitem->rc, pt)) {
if(ptc->flags & TCF_DRAWSUNKEN) {
// already sunken.. do nothing
return;
}
} else {
if( !(ptc->flags & TCF_DRAWSUNKEN)) {
// already un-sunken... do nothing
return;
}
}
// if got here, then toggle flag
ptc->flags ^= TCF_DRAWSUNKEN;
InvalidateItem(ptc, ptc->iNewSel, FALSE);
}
}
void NEAR PASCAL Tab_OnButtonUp(PTC ptc, int x, int y, BOOL fNotify)
{
POINT pt={x,y};
BOOL fAllow = TRUE;
if (fNotify)
fAllow = !SendNotifyEx(GetParent(ptc->hwnd), ptc->hwnd, NM_CLICK, NULL, ptc->bUnicode);
if (ptc->flags & TCF_DRAWSUNKEN) {
LPTABITEM pitem = Tab_GetItemPtr(ptc, ptc->iNewSel);
// nothing selected (its empty)
// only do this if something is selected...
// otherwise we still do need to go below and release capture though
if (pitem) {
if (PtInRect(&pitem->rc, pt)) {
int iNewSel = ptc->iNewSel;
// use iNewSel instead of ptc->iNewSel because the SendNotify could have nuked us
if (fAllow)
ChangeSel(ptc, iNewSel, TRUE);
} else {
InvalidateItem(ptc, ptc->iNewSel, FALSE);
}
ptc->iNewSel = -1;
ptc->flags &= ~TCF_DRAWSUNKEN;
}
}
// don't worry about checking DrawButtons because TCF_MOUSEDOWN
// wouldn't be set otherwise.
if (ptc->flags & TCF_MOUSEDOWN) {
int iOldSel = ptc->iNewSel;
ptc->flags &= ~TCF_MOUSEDOWN; // do this before release to avoid reentry
ptc->iNewSel = -1;
InvalidateItem(ptc, iOldSel, FALSE);
ReleaseCapture();
}
}
int NEAR Tab_OnHitTest(PTC ptc, int x, int y, UINT FAR *lpuFlags)
{
int i;
int iLast = Tab_Count(ptc);
POINT pt = {x,y};
UINT uTemp;
if (!lpuFlags) lpuFlags = &uTemp;
for (i = 0; i < iLast; i++) {
LPTABITEM pitem = Tab_FastGetItemPtr(ptc, i);
if (PtInRect(&pitem->rc, pt)) {
if (Tab_OwnerDraw(ptc)) {
*lpuFlags = TCHT_ONITEM;
} else if (HASIMAGE(ptc, pitem)) {
if (x > pitem->xImage || x < pitem->xLabel)
*lpuFlags = TCHT_ONITEMICON;
} else if (x > pitem->xLabel) {
*lpuFlags = TCHT_ONITEMLABEL;
} else
*lpuFlags = TCHT_ONITEM;
return i;
}
}
*lpuFlags = TCHT_NOWHERE;
return -1;
}
void NEAR Tab_OnButtonDown(PTC ptc, int x, int y)
{
int i;
int iOldSel = -1;
if (x > ptc->cxTabs)
return; // outside the range of the visible tabs
i = Tab_OnHitTest(ptc, x,y, NULL);
if (i != -1) {
iOldSel = ptc->iSel;
if ((!Tab_FocusNever(ptc))
&& Tab_FocusOnButtonDown(ptc))
{
SetFocus(ptc->hwnd);
}
if (Tab_DrawButtons(ptc)) {
ptc->iNewSel = i;
ptc->flags |= (TCF_DRAWSUNKEN|TCF_MOUSEDOWN);
SetCapture(ptc->hwnd);
InvalidateItem(ptc, i, FALSE);
} else {
iOldSel = ChangeSel(ptc, i, TRUE);
}
}
if ((!Tab_FocusNever(ptc)) &&
(iOldSel == i)) // reselect current selection
// this also catches i == -1 because iOldSel started as -1
{
SetFocus(ptc->hwnd);
UpdateWindow(ptc->hwnd);
}
}
TABITEM FAR* NEAR Tab_CreateItem(PTC ptc, const TC_ITEM FAR* ptci)
{
TABITEM FAR* pitem;
if (pitem = Alloc(sizeof(TABITEM)-sizeof(LPARAM)+ptc->cbExtra))
{
if (ptci->mask & TCIF_IMAGE)
pitem->iImage = ptci->iImage;
else
pitem->iImage = -1;
pitem->xLabel = pitem->yLabel = RECOMPUTE;
// If specified, copy extra block of memory.
if (ptci->mask & TCIF_PARAM) {
if (ptc->cbExtra) {
hmemcpy(pitem->abExtra, &ptci->lParam, ptc->cbExtra);
}
}
if (ptci->mask & TCIF_TEXT) {
if (!Str_Set(&pitem->pszText, ptci->pszText))
{
Tab_FreeItem(ptc, pitem);
return NULL;
}
#if defined(WINDOWS_ME)
pitem->etoRtlReading = (ptci->mask & TCIF_RTLREADING) ?ETO_RTLREADING :0;
#endif
}
}
return pitem;
}
void NEAR Tab_UpdateArrows(PTC ptc, BOOL fSizeChanged)
{
RECT rc;
BOOL fArrow;
GetClientRect(ptc->hwnd, &rc);
if (IsRectEmpty(&rc))
return; // Nothing to do yet!
// See if all of the tabs will fit.
ptc->cxTabs = rc.right; // Assume can use whole area to paint
if (Tab_MultiLine(ptc))
fArrow = FALSE;
else {
CalcPaintMetrics(ptc, NULL);
fArrow = (ptc->cxItem >= rc.right);
}
if (!fArrow)
{
// Don't need arrows
if (ptc->hwndArrows)
{
ShowWindow(ptc->hwndArrows, SW_HIDE);
// BUGBUG:: This is overkill should only invalidate portion
// that may be impacted, like the last displayed item..
InvalidateRect(ptc->hwnd, NULL, TRUE);
}
if (ptc->iFirstVisible > 0) {
#ifdef DEBUG
if (!ptc->hwndArrows) {
DebugMsg(DM_TRACE, TEXT("Scrolling where we wouldnt' have scrolled before"));
}
#endif
Tab_OnHScroll(ptc, NULL, SB_THUMBPOSITION, 0);
// BUGBUG:: This is overkill should only invalidate portion
// that may be impacted, like the last displayed item..
InvalidateRect(ptc->hwnd, NULL, TRUE);
}
}
else
{
int cx;
int cy;
int iMaxBtnVal;
int xSum;
TABITEM FAR * pitem;
// We need the buttons as not all of the items will fit
// BUGBUG:: Should handle big ones...
#if 0
cx = g_cxVScroll;
cy = g_cyHScroll;
#else
cy = ptc->cxyArrows;
cx = cy * 2;
#endif
ptc->cxTabs = rc.right - cx; // Make buttons square
// Setup what is the range for the buttons.
xSum = 0;
for (iMaxBtnVal=0; (ptc->cxTabs + xSum) < ptc->cxItem; iMaxBtnVal++)
{
pitem = Tab_GetItemPtr(ptc, iMaxBtnVal);
if (!pitem)
break;
xSum += pitem->rc.right - pitem->rc.left;
}
// DebugMsg(DM_TRACE, TEXT("Tabs_UpdateArrows iMax=%d\n\r"), iMaxBtnVal);
if (ptc->hwndArrows)
{
if (fSizeChanged || !IsWindowVisible(ptc->hwndArrows))
SetWindowPos(ptc->hwndArrows, NULL,
rc.right - cx, ptc->cyTabs - cy, cx, cy,
SWP_NOACTIVATE | SWP_NOZORDER | SWP_SHOWWINDOW);
// Make sure the range is set
SendMessage(ptc->hwndArrows, UDM_SETRANGE, 0,
MAKELPARAM(iMaxBtnVal, 0));
}
else
{
InvalidateRect(ptc->hwnd, NULL, TRUE);
ptc->hwndArrows = CreateUpDownControl(
UDS_HORZ | WS_CHILD | WS_VISIBLE,
rc.right - cx, ptc->cyTabs - cy, cx, cy,
ptc->hwnd, 1, HINST_THISDLL, NULL, iMaxBtnVal, 0,
ptc->iFirstVisible);
}
}
}
int NEAR Tab_OnInsertItem(PTC ptc, int iItem, const TC_ITEM FAR* ptci)
{
TABITEM FAR* pitem;
int i;
pitem = Tab_CreateItem(ptc, ptci);
if (!pitem)
return -1;
i = iItem;
i = DPA_InsertPtr(ptc->hdpa, i, pitem);
if (i == -1)
{
Tab_FreeItem(ptc, pitem);
return -1;
}
if (ptc->iSel < 0)
ptc->iSel = i;
else if (ptc->iSel >= i)
ptc->iSel++;
if (ptc->iFirstVisible > i)
ptc->iFirstVisible++;
ptc->cxItem = RECOMPUTE; // force recomputing of all tabs
//Add tab to tooltips.. calculate the rect later
if(ptc->hwndToolTips) {
TOOLINFO ti;
// don't bother setting the rect because we'll do it below
// in FlushToolTipsMgr;
ti.cbSize = sizeof(ti);
#ifdef WINDOWS_ME
ti.uFlags = ptci->mask & TCIF_RTLREADING ?TTF_RTLREADING :0;
#else
ti.uFlags = 0;
#endif
ti.hwnd = ptc->hwnd;
ti.uId = Tab_Count(ptc) - 1 ;
ti.lpszText = LPSTR_TEXTCALLBACK;
SendMessage(ptc->hwndToolTips, TTM_ADDTOOL, 0,
(LPARAM)(LPTOOLINFO)&ti);
}
if (Tab_RedrawEnabled(ptc)) {
RECT rcInval;
LPTABITEM pitem;
if (Tab_DrawButtons(ptc)) {
if (Tab_FixedWidth(ptc)) {
CalcPaintMetrics(ptc, NULL);
if (i == Tab_Count(ptc) - 1) {
InvalidateItem(ptc, i, FALSE);
} else {
pitem = Tab_GetItemPtr(ptc, i);
GetClientRect(ptc->hwnd, &rcInval);
if (pitem) {
rcInval.top = pitem->rc.top;
if (ptc->iLastRow == 0) {
rcInval.left = pitem->rc.left;
}
Tab_UpdateArrows(ptc, FALSE);
RedrawWindow(ptc->hwnd, &rcInval, NULL, RDW_INVALIDATE |RDW_NOCHILDREN);
}
}
return i;
}
} else {
// in tab mode Clear the selected item because it may move
// and it sticks high a bit.
if (ptc->iSel > i) {
// update now because invalidate erases
// and the redraw below doesn't.
InvalidateItem(ptc, ptc->iSel, TRUE);
UpdateWindow(ptc->hwnd);
}
}
RedrawAll(ptc, RDW_INVALIDATE | RDW_NOCHILDREN);
}
return i;
}
// Add/remove/replace item
BOOL NEAR Tab_FreeItem(PTC ptc, TABITEM FAR* pitem)
{
if (pitem)
{
Str_Set(&pitem->pszText, NULL);
Free(pitem);
}
return FALSE;
}
void NEAR PASCAL Tab_OnRemoveImage(PTC ptc, int iItem)
{
if (ptc->himl && iItem >= 0) {
int i;
LPTABITEM pitem;
#ifndef WIN31
ImageList_Remove(ptc->himl, iItem);
#endif
for( i = Tab_Count(ptc)-1 ; i >= 0; i-- ) {
pitem = Tab_FastGetItemPtr(ptc, i);
if (pitem->iImage > iItem)
pitem->iImage--;
else if (pitem->iImage == iItem) {
pitem->iImage = -1; // if we now don't draw something, inval
InvalidateItem(ptc, i, FALSE);
}
}
}
}
BOOL NEAR Tab_OnDeleteItem(PTC ptc, int i)
{
TABITEM FAR* pitem;
UINT uRedraw;
RECT rcInval;
rcInval.left = -1; // special flag...
if (i >= Tab_Count(ptc))
return FALSE;
if (!Tab_DrawButtons(ptc) && (Tab_RedrawEnabled(ptc) || ptc->iSel >= i)) {
// in tab mode, Clear the selected item because it may move
// and it sticks high a bit.
InvalidateItem(ptc, ptc->iSel, TRUE);
}
// if its fixed width, don't need to erase everything, just the last one
if (Tab_FixedWidth(ptc)) {
int j;
uRedraw = RDW_INVALIDATE | RDW_NOCHILDREN;
j = Tab_Count(ptc) -1;
InvalidateItem(ptc, j, TRUE);
// update optimization
if (Tab_DrawButtons(ptc)) {
if (i == Tab_Count(ptc) - 1) {
rcInval.left = 0;
uRedraw = 0;
} else {
pitem = Tab_GetItemPtr(ptc, i);
GetClientRect(ptc->hwnd, &rcInval);
if (pitem) {
rcInval.top = pitem->rc.top;
if (ptc->iLastRow == 0) {
rcInval.left = pitem->rc.left;
}
}
}
}
} else {
uRedraw = RDW_INVALIDATE | RDW_NOCHILDREN | RDW_ERASE;
}
pitem = DPA_DeletePtr(ptc->hdpa, i);
if (!pitem)
return FALSE;
Tab_FreeItem(ptc, pitem);
if (ptc->iSel == i)
ptc->iSel = -1; // deleted the focus item
else if (ptc->iSel > i)
ptc->iSel--; // slide the foucs index down
// maintain the first visible
if (ptc->iFirstVisible > i)
ptc->iFirstVisible--;
ptc->cxItem = RECOMPUTE; // force recomputing of all tabs
if(ptc->hwndToolTips) {
TOOLINFO ti;
ti.cbSize = sizeof(ti);
ti.hwnd = ptc->hwnd;
ti.uId = Tab_Count(ptc) ;
SendMessage(ptc->hwndToolTips, TTM_DELTOOL, 0, (LPARAM)(LPTOOLINFO)&ti);
}
if (uRedraw && !(uRedraw & RDW_ERASE))
UpdateWindow(ptc->hwnd);
if (Tab_RedrawEnabled(ptc)) {
if (rcInval.left == -1) {
RedrawAll(ptc, uRedraw);
} else {
Tab_UpdateArrows(ptc, FALSE);
if (uRedraw)
RedrawWindow(ptc->hwnd, &rcInval, NULL, uRedraw);
}
}
return TRUE;
}
BOOL NEAR Tab_OnGetItem(PTC ptc, int iItem, TC_ITEM FAR* ptci)
{
UINT mask = ptci->mask;
const TABITEM FAR* pitem = Tab_GetItemPtr(ptc, iItem);
if (!pitem)
{
// NULL init the the tci struct incase there is no pitem.
// This is incase the dude calling doesn't check the return
// from this function. Bug # 7105
if (mask & TCIF_PARAM)
ptci->lParam = 0;
else if (mask & TCIF_TEXT)
ptci->pszText = 0;
else if (mask & TCIF_IMAGE)
ptci->iImage = 0;
return FALSE;
}
if (mask & TCIF_TEXT) {
if (pitem->pszText)
lstrcpyn(ptci->pszText, pitem->pszText, ptci->cchTextMax);
else
ptci->pszText = 0;
}
if ((mask & TCIF_PARAM) && ptc->cbExtra)
hmemcpy(&ptci->lParam, pitem->abExtra, ptc->cbExtra);
if (mask & TCIF_IMAGE)
ptci->iImage = pitem->iImage;
return TRUE;
}
void NEAR PASCAL InvalidateItem(PTC ptc, int iItem, BOOL bErase)
{
LPTABITEM pitem = Tab_GetItemPtr(ptc, iItem);
if (pitem) {
RECT rc = pitem->rc;
if (rc.right > ptc->cxTabs)
rc.right = ptc->cxTabs; // don't invalidate past our end
InflateRect(&rc, g_cxEdge, g_cyEdge);
InvalidateRect(ptc->hwnd, &rc, bErase);
}
}
BOOL NEAR PASCAL RedrawAll(PTC ptc, UINT uFlags)
{
if (Tab_RedrawEnabled(ptc)) {
Tab_UpdateArrows(ptc, FALSE);
RedrawWindow(ptc->hwnd, NULL, NULL, uFlags);
return TRUE;
}
return FALSE;
}
int NEAR PASCAL ChangeSel(PTC ptc, int iNewSel, BOOL bSendNotify)
{
BOOL bErase;
int iOldSel;
HWND hwnd;
if (iNewSel == ptc->iSel)
return ptc->iSel;
hwnd = ptc->hwnd;
// make sure in range
if (iNewSel < 0) {
iOldSel = ptc->iSel;
ptc->iSel = -1;
} else if (iNewSel < Tab_Count(ptc)) {
// make sure this is a change that's wanted
if (bSendNotify)
{
if (SendNotifyEx(GetParent(hwnd), hwnd, TCN_SELCHANGING, NULL, ptc->bUnicode))
return ptc->iSel;
}
iOldSel = ptc->iSel;
ptc->iSel = iNewSel;
// See if we need to make sure the item is visible
if (Tab_MultiLine(ptc)) {
if( !Tab_DrawButtons(ptc) && ptc->iLastRow > 0 && iNewSel != -1) {
// In multiLineTab Mode bring the row to the bottom.
if (PutzRowToBottom(ptc, Tab_FastGetItemPtr(ptc, iNewSel)->iRow))
RedrawAll(ptc, RDW_INVALIDATE | RDW_NOCHILDREN);
}
} else {
// In single line mode, slide things over to show selection
RECT rcClient;
int xOffset = 0;
int iNewFirstVisible = 0;
LPTABITEM pitem = Tab_GetItemPtr(ptc, iNewSel);
Assert (pitem);
if (!pitem)
return -1;
GetClientRect(ptc->hwnd, &rcClient);
if (pitem->rc.left < g_cxEdge)
{
xOffset = -pitem->rc.left + g_cxEdge; // Offset to get back to zero
iNewFirstVisible = iNewSel;
}
else if ((iNewSel != ptc->iFirstVisible) &&
(pitem->rc.right > ptc->cxTabs))
{
// A little more tricky new to scroll each tab until we
// fit on the end
for (iNewFirstVisible = ptc->iFirstVisible;
iNewFirstVisible < iNewSel;)
{
LPTABITEM pitemT = Tab_FastGetItemPtr(ptc, iNewFirstVisible);
xOffset -= (pitemT->rc.right - pitemT->rc.left);
iNewFirstVisible++;
if ((pitem->rc.right + xOffset) < ptc->cxTabs)
break; // Found our new top index
}
// If we end up being the first item shown make sure our left
// end is showing correctly
if (iNewFirstVisible == iNewSel)
xOffset = -pitem->rc.left + g_cxEdge;
}
if (xOffset != 0)
{
Tab_Scroll(ptc, xOffset, iNewFirstVisible);
}
}
} else
return -1;
// repaint opt: we don't need to erase for buttons because their paint covers all.
bErase = !Tab_DrawButtons(ptc);
InvalidateItem(ptc, iOldSel, bErase);
InvalidateItem(ptc, iNewSel, bErase);
UpdateWindow(hwnd);
// if they are buttons, we send the message on mouse up
if (bSendNotify)
{
SendNotifyEx(GetParent(hwnd), hwnd, TCN_SELCHANGE, NULL, ptc->bUnicode);
}
return iOldSel;
}
void NEAR PASCAL CalcTabHeight(PTC ptc, HDC hdc)
{
BOOL bReleaseDC = FALSE;
if (ptc->cyTabs == RECOMPUTE) {
TEXTMETRIC tm;
int iYExtra;
int cx, cy = 0;
if (!hdc)
{
bReleaseDC = TRUE;
hdc = GetDC(NULL);
SelectObject(hdc, ptc->hfontLabel ? ptc->hfontLabel : g_hfontSystem);
}
GetTextMetrics(hdc, &tm);
ptc->cxMinTab = tm.tmAveCharWidth * 6 + ptc->cxPad * 2;
ptc->cxyArrows = tm.tmHeight + 2 * g_cyEdge;
#ifndef WIN31
if (ptc->himl)
ImageList_GetIconSize(ptc->himl, &cx, &cy);
#endif
if (ptc->iTabHeight) {
ptc->cyTabs = ptc->iTabHeight;
if (Tab_DrawButtons(ptc))
iYExtra = 3 * g_cyEdge; // (for the top edge, button edge and room to drop down)
else
iYExtra = 2 * g_cyEdge - 1;
} else {
// the height is the max of image or label plus padding.
// where padding is 2*cypad-edge but at lease an edges
iYExtra = ptc->cyPad*2;
if (iYExtra < 2*g_cyEdge)
iYExtra = 2*g_cyEdge;
if (!Tab_DrawButtons(ptc))
iYExtra -= (1 + g_cyEdge);
// add an edge to the font height because we want a bit of
// space under the text
ptc->cyTabs = max(tm.tmHeight + g_cyEdge, cy) + iYExtra;
}
// add one so that if it's odd, we'll round up.
ptc->cyText = (ptc->cyTabs - iYExtra - tm.tmHeight + 1) / 2;
ptc->cyIcon = (ptc->cyTabs - iYExtra - cy) / 2;
if (bReleaseDC)
{
ReleaseDC(NULL, hdc);
}
}
}
void NEAR PASCAL UpdateToolTipRects(PTC ptc)
{
if(ptc->hwndToolTips) {
int i;
TOOLINFO ti;
int iMax;
LPTABITEM pitem;
ti.cbSize = sizeof(ti);
#if defined(WINDOWS_ME)
// bugbug: should this be rtlreading?
#endif
ti.uFlags = 0;
ti.hwnd = ptc->hwnd;
ti.lpszText = LPSTR_TEXTCALLBACK;
for ( i = 0, iMax = Tab_Count(ptc); i < iMax; i++) {
pitem = Tab_FastGetItemPtr(ptc, i);
ti.uId = i;
ti.rect = pitem->rc;
SendMessage(ptc->hwndToolTips, TTM_NEWTOOLRECT, 0, (LPARAM)((LPTOOLINFO)&ti));
}
}
}
void PASCAL Tab_GetTextExtentPoint(HDC hdc, LPTSTR lpszText, int iCount, LPSIZE lpsize)
{
TCHAR szBuffer[128];
if (iCount < ARRAYSIZE(szBuffer)) {
StripAccelerators(lpszText, szBuffer);
lpszText = szBuffer;
iCount = lstrlen(lpszText);
}
GetTextExtentPoint(hdc, lpszText, iCount, lpsize);
}
void NEAR PASCAL CalcPaintMetrics(PTC ptc, HDC hdc)
{
SIZE siz;
LPTABITEM pitem;
int i, x, y;
int xStart;
int iRow = 0;
int cItems = Tab_Count(ptc);
BOOL bReleaseDC = FALSE;
if (ptc->cxItem == RECOMPUTE) {
if (!hdc)
{
bReleaseDC = TRUE;
hdc = GetDC(NULL);
SelectObject(hdc, ptc->hfontLabel ? ptc->hfontLabel : g_hfontSystem);
}
CalcTabHeight(ptc, hdc);
if (Tab_DrawButtons(ptc)) {
// start at the edge;
xStart = 0;
y = 0;
} else {
xStart = g_cxEdge;
y = g_cyEdge;
}
x = xStart;
for (i = 0; i < cItems; i++) {
int cxImage = 0, cy;
int cxLabel = 0;
pitem = Tab_FastGetItemPtr(ptc, i);
Assert(pitem);
if (!pitem) {
return;
}
if (pitem->pszText) {
Tab_GetTextExtentPoint(hdc, pitem->pszText, lstrlen(pitem->pszText), &siz);
} else {
siz.cx = 0;
siz.cy = 0;
}
#ifndef WIN31
// if there's an image, count that too
if (HASIMAGE(ptc, pitem)) {
ImageList_GetIconSize(ptc->himl, &cxImage, &cy);
cxImage += ptc->cxPad;
siz.cx += cxImage;
}
#endif
cxLabel = siz.cx;
if (Tab_FixedWidth(ptc)) {
siz.cx = ptc->iTabWidth;
} else {
siz.cx += ptc->cxPad * 2;
// Make sure the tab has a least a minimum width
if (siz.cx < ptc->cxMinTab)
siz.cx = ptc->cxMinTab;
}
// should we wrap?
if (Tab_MultiLine(ptc)) {
// two cases to wrap around:
// case 2: is our right edge past the end but we ourselves
// are shorter than the width?
// case 1: are we already past the end? (this happens if
// the previous line had only one item and it was longer
// than the tab's width.
int iTotalWidth = ptc->cxTabs - g_cxEdge;
if (x > iTotalWidth ||
(x+siz.cx >= iTotalWidth &&
(siz.cx < iTotalWidth))) {
x = xStart;
y += ptc->cyTabs;
iRow++;
if (Tab_DrawButtons(ptc))
y += ((g_cyEdge * 3)/2);
}
pitem->iRow = iRow;
}
pitem->rc.left = x;
pitem->rc.right = x + siz.cx;
pitem->rc.top = y;
pitem->rc.bottom = ptc->cyTabs + y;
if (!Tab_FixedWidth(ptc) || Tab_ForceLabelLeft(ptc) ||
Tab_ForceIconLeft(ptc)) {
pitem->xImage = pitem->rc.left + ptc->cxPad;
} else {
// in fixed width mode center it
pitem->xImage = (pitem->rc.left + pitem->rc.right - cxLabel)/2;
}
if (pitem->xImage < (pitem->rc.left + g_cxEdge))
pitem->xImage = pitem->rc.left + g_cxEdge;
if (Tab_ForceIconLeft(ptc)) {
pitem->xLabel = (pitem->rc.left + pitem->rc.right - (cxLabel - cxImage)) / 2;
} else {
pitem->xLabel = pitem->xImage + cxImage;
}
pitem->yImage = pitem->rc.top + ptc->cyPad + ptc->cyIcon - (g_cyEdge/2);
pitem->yLabel = pitem->rc.top + ptc->cyPad + ptc->cyText - (g_cyEdge/2);
x = pitem->rc.right;
if (Tab_DrawButtons(ptc)) {
x += (g_cxEdge * 3)/2;
}
}
ptc->cxItem = x; // total width of all tabs
// if we added a line in non-button mode, we need to do a full refresh
if (ptc->iLastRow != -1 &&
ptc->iLastRow != iRow &&
!Tab_DrawButtons(ptc)) {
InvalidateRect(ptc->hwnd, NULL, TRUE);
}
ptc->iLastRow = (cItems > 0) ? iRow : -1;
if (Tab_MultiLine(ptc)) {
if (!Tab_RaggedRight(ptc) && !Tab_FixedWidth(ptc))
RightJustify(ptc);
if (!Tab_DrawButtons(ptc) && ptc->iSel != -1)
PutzRowToBottom(ptc, Tab_FastGetItemPtr(ptc, ptc->iSel)->iRow);
} else if ( cItems > 0) {
// adjust x's to the first visible
int dx;
pitem = Tab_GetItemPtr(ptc, ptc->iFirstVisible);
if (pitem) {
dx = -pitem->rc.left + g_cxEdge;
for ( i = cItems - 1; i >=0 ; i--) {
pitem = Tab_FastGetItemPtr(ptc, i);
OffsetRect(&pitem->rc, dx, 0);
pitem->xLabel += dx;
pitem->xImage += dx;
}
}
}
if (bReleaseDC)
{
ReleaseDC(NULL, hdc);
}
UpdateToolTipRects(ptc);
}
}
void NEAR PASCAL DoCorners(HDC hdc, LPRECT prc)
{
RECT rc;
COLORREF iOldColor;
rc = *prc;
// upper right
iOldColor = SetBkColor(hdc, g_clrBtnFace);
rc.left = rc.right - 2;
rc.bottom = rc.top + 3;
ExtTextOut(hdc, 0, 0, ETO_OPAQUE, &rc, NULL, 0, NULL);
rc.top++;
DrawEdge(hdc, &rc, EDGE_RAISED, BF_SOFT | BF_DIAGONAL_ENDBOTTOMRIGHT);
rc = *prc;
rc.right = rc.left + 2;
rc.bottom = rc.top + 3;
ExtTextOut(hdc, 0, 0, ETO_OPAQUE, &rc, NULL, 0, NULL);
rc.top++;
DrawEdge(hdc, &rc, EDGE_RAISED, BF_SOFT | BF_DIAGONAL_ENDTOPRIGHT);
}
void NEAR PASCAL RefreshArrows(PTC ptc, HDC hdc)
{
RECT rcClip, rcArrows, rcIntersect;
if (ptc->hwndArrows && IsWindowVisible(ptc->hwndArrows)) {
GetClipBox(hdc, &rcClip);
GetWindowRect(ptc->hwndArrows, &rcArrows);
MapWindowPoints(NULL, ptc->hwnd, (POINT FAR *)&rcArrows, 2);
if (IntersectRect(&rcIntersect, &rcClip, &rcArrows))
RedrawWindow(ptc->hwndArrows, NULL, NULL, RDW_INVALIDATE);
}
}
void NEAR PASCAL DrawBody(HDC hdc, PTC ptc, LPTABITEM pitem, LPRECT lprc, int i,
BOOL fTransparent, int dx, int dy)
{
BOOL fSelected = (i == ptc->iSel);
if (Tab_OwnerDraw(ptc)) {
DRAWITEMSTRUCT dis;
WORD wID = GetWindowID(ptc->hwnd);
dis.CtlType = ODT_TAB;
dis.CtlID = wID;
dis.itemID = i;
dis.itemAction = ODA_DRAWENTIRE;
if (fSelected)
dis.itemState = ODS_SELECTED;
else
dis.itemState = 0;
dis.hwndItem = ptc->hwnd;
dis.hDC = hdc;
dis.rcItem = *lprc;
dis.itemData =
(ptc->cbExtra <= sizeof(LPARAM)) ?
(DWORD)pitem->lParam : (DWORD)(LPBYTE)&pitem->abExtra;
SendMessage( GetParent(ptc->hwnd) , WM_DRAWITEM, wID,
(LPARAM)(DRAWITEMSTRUCT FAR *)&dis);
} else {
// draw the text and image
// draw even if pszText == NULL to blank it out
#ifndef WIN31
#define USE_DRAWTEXT
#endif
#ifdef USE_DRAWTEXT
BOOL fUseDrawText = FALSE;
if (pitem->pszText) {
// only use draw text if there's any underlining to do.
if (StrChr(pitem->pszText, CH_PREFIX)) {
fUseDrawText = TRUE;
}
}
// DrawTextEx will not clear the entire area, so we need to.
// or if there's no text, we need to blank it out
if ((fUseDrawText || !pitem->pszText) && !fTransparent)
ExtTextOut(hdc, pitem->xLabel + dx, pitem->yLabel + dy,
ETO_OPAQUE, lprc, NULL, 0, NULL);
if (pitem->pszText) {
if (fUseDrawText) {
DRAWTEXTPARAMS dtp;
#ifdef WINNT
RECT rectTemp;
#endif
dtp.cbSize = sizeof(DRAWTEXTPARAMS);
dtp.iLeftMargin = pitem->xLabel + dx - lprc->left;
dtp.iRightMargin = 0;
#ifdef WINNT
CopyRect (&rectTemp, lprc);
rectTemp.left += (pitem->xLabel + dx - lprc->left);
DrawText(hdc, pitem->pszText, -1, &rectTemp, DT_SINGLELINE | DT_VCENTER);
#else
#if defined(WINDOWS_ME)
DrawTextEx(hdc, pitem->pszText, -1, lprc,
(pitem->etoRtlReading ?DT_RTLREADING :0) |
DT_END_ELLIPSIS | DT_SINGLELINE | DT_VCENTER, &dtp);
#else
DrawTextEx(hdc, pitem->pszText, -1, lprc, DT_END_ELLIPSIS | DT_SINGLELINE | DT_VCENTER, &dtp);
#endif
#endif // WINNT
} else {
ExtTextOut(hdc, pitem->xLabel + dx, pitem->yLabel + dy,
#ifdef WINDOWS_ME
pitem->etoRtlReading |
#endif
(fTransparent ? ETO_CLIPPED : ETO_OPAQUE | ETO_CLIPPED),
lprc, pitem->pszText, lstrlen(pitem->pszText),
NULL);
}
}
#else
ExtTextOut(hdc, pitem->xLabel + dx, pitem->yLabel + dy,
#if defined(WINDOWS_ME)
pitem->etoRtlReading |
#endif
(fTransparent ? ETO_CLIPPED : ETO_CLIPPED | ETO_OPAQUE),
lprc, pitem->pszText, pitem->pszText ? lstrlen(pitem->pszText) : 0,
NULL);
#endif
#ifdef WANNA_BLUR_ME
if (pitem->pszText) {
// blurring
if (fSelected) {
if (!fTransparent) {
SetBkMode(hdc, TRANSPARENT);
// guaranteed to be buttons if we got here
// becaues can't iSel==i is rejected for tabs in this loop
ExtTextOut(hdc, pitem->xLabel + dx + 1, pitem->yLabel + dy,
#if defined(WINDOWS_ME)
pitem->etoRtlReading |
#endif
ETO_CLIPPED, lprc, pitem->pszText, lstrlen(pitem->pszText),
NULL);
SetBkMode(hdc, OPAQUE);
}
}
}
#endif
#ifndef WIN31
if (HASIMAGE(ptc, pitem))
ImageList_Draw(ptc->himl, pitem->iImage, hdc,
pitem->xImage + dx, pitem->yImage + dy,
fTransparent ? ILD_TRANSPARENT : ILD_NORMAL);
#endif
}
}
void NEAR Tab_Paint(PTC ptc, HDC hdcIn)
{
PAINTSTRUCT ps;
HDC hdc;
RECT rcClient, rcClipBox, rcTest, rcBody;
int cItems, i;
int fnNewMode = OPAQUE;
LPTABITEM pitem;
HWND hwnd = ptc->hwnd;
HBRUSH hbrOld = NULL;
UINT uWhichEdges;
RECT rc;
GetClientRect(hwnd, &rcClient);
if (!rcClient.right)
return;
if (hdcIn)
{
hdc = hdcIn;
ps.rcPaint = rcClient;
}
else
hdc = BeginPaint(hwnd, &ps);
// select font first so metrics will have the right size
SelectObject(hdc, ptc->hfontLabel ? ptc->hfontLabel : g_hfontSystem);
CalcPaintMetrics(ptc, hdc);
// draw border all around everything if it's not a button style
rcClient.top += (ptc->cyTabs * (ptc->iLastRow+1)) + g_cyEdge;
if(Tab_DrawButtons(ptc)) {
uWhichEdges = BF_RECT | BF_SOFT;
} else {
DrawEdge(hdc, &rcClient, EDGE_RAISED, BF_SOFT | BF_RECT);
uWhichEdges = BF_LEFT | BF_TOP | BF_RIGHT | BF_SOFT;
}
cItems = Tab_Count(ptc);
if (cItems) {
RefreshArrows(ptc, hdc);
SetBkColor(hdc, g_clrBtnFace);
SetTextColor(hdc, g_clrBtnText);
if (!Tab_MultiLine(ptc))
IntersectClipRect(hdc, 0, 0,
ptc->cxTabs, rcClient.bottom);
GetClipBox(hdc, &rcClipBox);
// draw all but the selected item
for (i = ptc->iFirstVisible; i < cItems; i++) {
pitem = Tab_FastGetItemPtr(ptc, i);
if (!Tab_MultiLine(ptc)) {
// if not multiline, and we're off the screen... we're done
if (pitem->rc.left > ptc->cxTabs)
break;
}
// should we bother drawing this?
if (i != ptc->iSel || Tab_DrawButtons(ptc)) {
if (IntersectRect(&rcTest, &rcClipBox, &pitem->rc)) {
int dx = 0, dy = 0; // shift variables if button sunken;
UINT edgeType;
rc = pitem->rc;
rcBody = rc;
// Draw the edge around each item
if(Tab_DrawButtons(ptc) &&
((ptc->iNewSel == i && ptc->flags & TCF_DRAWSUNKEN) ||
(ptc->iSel == i))) {
dx = g_cxEdge/2;
dy = g_cyEdge/2;
edgeType = EDGE_SUNKEN;
} else
edgeType = EDGE_RAISED;
if (Tab_DrawButtons(ptc) && !Tab_OwnerDraw(ptc)) {
// if drawing buttons, show selected by dithering background
// which means we need to draw transparent.
if (ptc->iSel == i) {
fnNewMode = TRANSPARENT;
SetBkMode(hdc, TRANSPARENT);
#ifndef WIN31
hbrOld = SelectObject(hdc, g_hbrMonoDither);
#else
hbrOld = SelectObject(hdc, g_hbrGray);
#endif
SetTextColor(hdc, g_clrBtnHighlight);
PatBlt(hdc, rc.left, rc.top, rc.right - rc.left,
rc.bottom - rc.top, PATCOPY);
SetTextColor(hdc, g_clrBtnText);
}
}
InflateRect(&rcBody, -g_cxEdge, -g_cyEdge);
if (!Tab_DrawButtons(ptc)) {
rcBody.bottom += g_cyEdge;
}
DrawBody(hdc, ptc, pitem, &rcBody, i, fnNewMode == TRANSPARENT,
dx, dy);
DrawEdge(hdc, &rc, edgeType, uWhichEdges);
if (!Tab_DrawButtons(ptc))
DoCorners(hdc, &pitem->rc);
if (fnNewMode == TRANSPARENT) {
fnNewMode = OPAQUE;
SelectObject(hdc, hbrOld);
SetBkMode(hdc, OPAQUE);
}
}
}
}
if (!Tab_MultiLine(ptc))
ptc->iLastVisible = i - 1;
else
ptc->iLastVisible = cItems - 1;
// draw the selected one last to make sure it is on top
pitem = Tab_GetItemPtr(ptc, ptc->iSel);
if (pitem && (pitem->rc.left <= ptc->cxTabs)) {
rc = pitem->rc;
if (!Tab_DrawButtons(ptc)) {
InflateRect(&rc, g_cxEdge, g_cyEdge);
if (IntersectRect(&rcTest, &rcClipBox, &rc)) {
DrawBody(hdc, ptc, pitem, &rc, ptc->iSel, FALSE, 0,-g_cyEdge);
rc.bottom--; //because of button softness
DrawEdge(hdc, &rc, EDGE_RAISED, uWhichEdges);
DoCorners(hdc, &rc);
// draw that extra bit on the left or right side
// if we're on the edge
rc.bottom++;
rc.top = rc.bottom-1;
if (rc.right == rcClient.right) {
uWhichEdges = BF_SOFT | BF_RIGHT;
} else if (rc.left == rcClient.left) {
uWhichEdges = BF_SOFT | BF_LEFT;
} else
uWhichEdges = 0;
if (uWhichEdges)
DrawEdge(hdc, &rc, EDGE_RAISED, uWhichEdges);
}
}
}
// draw the focus rect
if (GetFocus() == hwnd) {
if (!pitem && (ptc->iNewSel != -1)) {
pitem = Tab_GetItemPtr(ptc, ptc->iNewSel);
}
if (pitem) {
rc = pitem->rc;
if (Tab_DrawButtons(ptc))
InflateRect(&rc, -g_cxEdge, -g_cyEdge);
else
InflateRect(&rc, -(g_cxEdge/2), -(g_cyEdge/2));
DrawFocusRect(hdc, &rc);
}
}
}
if (hdcIn == NULL)
EndPaint(hwnd, &ps);
}
int PASCAL Tab_FindTab(PTC ptc, int iStart, UINT vk)
{
int iRow;
int x;
int i;
LPTABITEM pitem = Tab_GetItemPtr(ptc, iStart);
if (!pitem)
{
return(0);
}
iRow= pitem->iRow + ((vk == VK_UP) ? -1 : 1);
x = (pitem->rc.right + pitem->rc.left) / 2;
// find the and item on the iRow at horizontal x
if (iRow > ptc->iLastRow || iRow < 0)
return iStart;
// this relies on the ordering of tabs from left to right , but
// not necessarily top to bottom.
for (i = Tab_Count(ptc) - 1 ; i >= 0; i--) {
pitem = Tab_FastGetItemPtr(ptc, i);
if (pitem->iRow == iRow) {
if (pitem->rc.left < x)
return i;
}
}
// this should never happen.. we should have caught this case in the iRow check
// right before the for loop.
Assert(0);
return iStart;
}
void NEAR PASCAL Tab_SetCurFocus(PTC ptc, int iStart)
{
if (Tab_DrawButtons(ptc)) {
if ((iStart >= 0) && (iStart < Tab_Count(ptc)) && (ptc->iNewSel != iStart)) {
if (ptc->iNewSel != -1)
InvalidateItem(ptc, ptc->iNewSel, FALSE);
InvalidateItem(ptc, iStart, FALSE);
ptc->iNewSel = iStart;
ptc->flags |= TCF_DRAWSUNKEN;
}
} else
ChangeSel(ptc, iStart, TRUE);
}
void NEAR PASCAL Tab_OnKeyDown(PTC ptc, UINT vk, BOOL fDown, int cRepeat, UINT flags)
{
int iStart;
TC_KEYDOWN nm;
// Notify
nm.wVKey = vk;
nm.flags = flags;
SendNotifyEx(GetParent(ptc->hwnd), ptc->hwnd, TCN_KEYDOWN, &nm.hdr, ptc->bUnicode);
if (Tab_DrawButtons(ptc)) {
ptc->flags |= (TCF_DRAWSUNKEN|TCF_MOUSEDOWN);
if (ptc->iNewSel != -1) {
iStart = ptc->iNewSel;
} else {
iStart = ptc->iSel;
}
} else {
iStart = ptc->iSel;
}
switch (vk) {
case VK_LEFT:
iStart--;
break;
case VK_RIGHT:
iStart++;
break;
case VK_UP:
case VK_DOWN:
if (iStart != -1) {
iStart = Tab_FindTab(ptc, iStart, vk);
break;
} // else fall through to set iStart = 0;
case VK_HOME:
iStart = 0;
break;
case VK_END:
iStart = Tab_Count(ptc) - 1;
break;
case VK_SPACE:
if (!Tab_DrawButtons(ptc))
return;
// else fall through... in button mode space does selection
case VK_RETURN:
ChangeSel(ptc, iStart, TRUE);
ptc->iNewSel = -1;
ptc->flags &= ~TCF_DRAWSUNKEN;
return;
default:
return;
}
if (iStart < 0)
iStart = 0;
Tab_SetCurFocus(ptc, iStart);
}
void NEAR Tab_Size(PTC ptc)
{
ptc->cxItem = RECOMPUTE;
Tab_UpdateArrows(ptc, TRUE);
}
BOOL NEAR PASCAL Tab_OnGetItemRect(PTC ptc, int iItem, LPRECT lprc)
{
LPTABITEM pitem = Tab_GetItemPtr(ptc, iItem);
if (lprc) {
CalcPaintMetrics(ptc, NULL);
if (pitem) {
// Make sure all the item rects are up-to-date
*lprc = pitem->rc;
return TRUE;
} else {
lprc->top = 0;
lprc->bottom = ptc->cyTabs;
lprc->right = 0;
lprc->left = 0;
}
}
return FALSE;
}
void PASCAL Tab_StyleChanged(PTC ptc, UINT gwl, LPSTYLESTRUCT pinfo)
{
#define STYLE_MASK (TCS_BUTTONS | TCS_MULTILINE | TCS_RAGGEDRIGHT | TCS_FIXEDWIDTH | TCS_FORCELABELLEFT | TCS_FORCEICONLEFT | TCS_OWNERDRAWFIXED)
if (ptc && (gwl == GWL_STYLE)) {
if ( (ptc->style & STYLE_MASK) ^ (pinfo->styleNew & STYLE_MASK)) {
ptc->style = (ptc->style & ~STYLE_MASK) | (pinfo->styleNew & STYLE_MASK);
// make sure we don't have invalid bits set
if (!Tab_FixedWidth(ptc)) {
ptc->style &= ~(TCS_FORCEICONLEFT | TCS_FORCELABELLEFT);
}
ptc->cxItem = RECOMPUTE;
ptc->cyTabs = RECOMPUTE;
RedrawAll(ptc, RDW_ERASE | RDW_INVALIDATE);
}
#define FOCUS_MASK (TCS_FOCUSONBUTTONDOWN | TCS_FOCUSNEVER)
if ( (ptc->style & FOCUS_MASK) ^ (pinfo->styleNew & FOCUS_MASK)) {
ptc->style = (ptc->style & ~FOCUS_MASK) | (pinfo->styleNew & FOCUS_MASK);
}
}
}
LRESULT CALLBACK Tab_WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
PTC ptc = (PTC)GetWindowInt((hwnd), 0);
switch (msg) {
HANDLE_MSG(ptc, WM_HSCROLL, Tab_OnHScroll);
case WM_CREATE:
InitGlobalMetrics(0);
InitGlobalColors();
ptc = (PTC)NearAlloc(sizeof(TC));
if (!ptc)
return -1; // fail the window create
SetWindowInt(hwnd, 0, (int)ptc);
ptc->hwnd = hwnd;
ptc->bUnicode = (SendMessage (GetParent(hwnd), WM_NOTIFYFORMAT,
(WPARAM)hwnd, NF_QUERY) == NFR_UNICODE);
if (!Tab_OnCreate(ptc, (LPCREATESTRUCT)lParam))
return -1;
break;
case WM_DESTROY:
Tab_OnDestroy(ptc);
break;
case WM_SIZE:
Tab_Size(ptc);
break;
case WM_SYSCOLORCHANGE:
InitGlobalColors();
RedrawAll(ptc, RDW_INVALIDATE | RDW_ERASE);
break;
case WM_WININICHANGE:
InitGlobalMetrics(wParam);
if ((wParam == SPI_SETNONCLIENTMETRICS) ||
(!wParam && !lParam))
RedrawAll(ptc, RDW_INVALIDATE | RDW_ERASE);
break;
case WM_ERASEBKGND:
{
HBRUSH hbr;
RECT rc;
HWND hwndParent;
hwndParent = GetParent(ptc->hwnd);
if (hwndParent) {
hbr = (HBRUSH)SendMessage(hwndParent,
WM_CTLCOLORSTATIC,
wParam,
(LPARAM) ptc->hwnd);
GetClientRect(ptc->hwnd, &rc);
FillRect((HDC) wParam, &rc, hbr);
return 1;
}
goto DoDefault;
}
case WM_PRINTCLIENT:
case WM_PAINT:
Tab_Paint(ptc, (HDC)wParam);
break;
case WM_STYLECHANGED:
Tab_StyleChanged(ptc, wParam, (LPSTYLESTRUCT)lParam);
break;
case WM_MOUSEMOVE:
RelayToToolTips(ptc->hwndToolTips, hwnd, msg, wParam, lParam);
Tab_OnMouseMove(ptc, wParam, LOWORD(lParam), HIWORD(lParam));
break;
case WM_LBUTTONDOWN:
RelayToToolTips(ptc->hwndToolTips, hwnd, msg, wParam, lParam);
Tab_OnButtonDown(ptc, LOWORD(lParam), HIWORD(lParam));
break;
case WM_MBUTTONDOWN:
SetFocus(hwnd);
break;
case WM_RBUTTONUP:
if (!SendNotifyEx(GetParent(ptc->hwnd), ptc->hwnd, NM_RCLICK, NULL, ptc->bUnicode))
goto DoDefault;
break;
case WM_CAPTURECHANGED:
lParam = -1L; // fall through to LBUTTONUP
case WM_LBUTTONUP:
if (msg == WM_LBUTTONUP) {
RelayToToolTips(ptc->hwndToolTips, hwnd, msg, wParam, lParam);
}
Tab_OnButtonUp(ptc, LOWORD(lParam), HIWORD(lParam), (msg == WM_LBUTTONUP));
break;
case WM_KEYDOWN:
HANDLE_WM_KEYDOWN(ptc, wParam, lParam, Tab_OnKeyDown);
break;
case WM_KILLFOCUS:
if (!ptc)
break;
if (ptc->iNewSel != -1) {
int iOldSel = ptc->iNewSel;
ptc->iNewSel = -1;
InvalidateItem(ptc, iOldSel, FALSE);
ptc->flags &= ~TCF_DRAWSUNKEN;
}
// fall through
case WM_SETFOCUS:
if (!ptc)
break;
InvalidateItem(ptc, ptc->iSel, Tab_OwnerDraw(ptc));
break;
case WM_GETDLGCODE:
return DLGC_WANTARROWS | DLGC_WANTCHARS;
HANDLE_MSG(ptc, WM_SETREDRAW, Tab_OnSetRedraw);
HANDLE_MSG(ptc, WM_SETFONT, Tab_OnSetFont);
case WM_GETFONT:
return (LRESULT)(UINT)ptc->hfontLabel;
case WM_NOTIFYFORMAT:
if (lParam == NF_QUERY) {
#ifdef UNICODE
return NFR_UNICODE;
#else
return NFR_ANSI;
#endif
} else if (lParam == NF_REQUERY) {
UINT uiResult;
uiResult = SendMessage (GetParent(ptc->hwnd), WM_NOTIFYFORMAT,
(WPARAM)hwnd, NF_QUERY);
ptc->bUnicode = (uiResult == NFR_UNICODE);
return uiResult;
} else
return 0;
case WM_NOTIFY: {
LPNMHDR lpNmhdr = (LPNMHDR)(lParam);
//
// We are just going to pass this on to the
// real parent. Note that -1 is used as
// the hwndFrom. This prevents SendNotifyEx
// from updating the NMHDR structure.
//
SendNotifyEx(GetParent(ptc->hwnd), (HWND) -1,
lpNmhdr->code, lpNmhdr, ptc->bUnicode);
}
break;
case TCM_SETITEMEXTRA:
if (!ptc)
break;
return (LRESULT)Tab_OnSetItemExtra(ptc, (int)wParam);
case TCM_GETITEMCOUNT:
if (!ptc)
break;
return (LRESULT)Tab_Count(ptc);
#ifdef UNICODE
case TCM_SETITEMA:
{
LRESULT lResult;
TC_ITEMW * pItemW;
if (!lParam || !ptc) {
return FALSE;
}
pItemW = ThunkItemAtoW(ptc, (TC_ITEMA FAR*)lParam);
if (!pItemW) {
return FALSE;
}
lResult = (LRESULT)Tab_OnSetItem(ptc, (int)wParam, pItemW);
FreeItemW(pItemW);
return lResult;
}
#endif
case TCM_SETITEM:
if (!lParam || !ptc) {
return FALSE;
}
return (LRESULT)Tab_OnSetItem(ptc, (int)wParam, (const TC_ITEM FAR*)lParam);
#ifdef UNICODE
case TCM_GETITEMA:
{
LRESULT lResult;
TC_ITEMW * pItemW;
TC_ITEMA * pItemA = (TC_ITEMA FAR*)lParam;
BOOL AllocatedText = FALSE;
if (!pItemA || !ptc) {
return FALSE;
}
pItemW = GlobalAlloc (GPTR, sizeof(TC_ITEMW) + ptc->cbExtra);
if (!pItemW) {
return FALSE;
}
if (pItemA->mask & TCIF_TEXT) {
pItemW->pszText = GlobalAlloc (GPTR, pItemA->cchTextMax * sizeof (TCHAR));
if (!pItemW->pszText) {
GlobalFree (pItemW);
return FALSE;
}
AllocatedText = TRUE;
}
pItemW->mask = pItemA->mask;
pItemW->cchTextMax = pItemA->cchTextMax;
lResult = (LRESULT)Tab_OnGetItem(ptc, (int)wParam, pItemW);
if (!ThunkItemWtoA (ptc, pItemW, pItemA)) {
lResult = (LRESULT)FALSE;
}
if (AllocatedText) {
GlobalFree (pItemW->pszText);
}
GlobalFree (pItemW);
return lResult;
}
#endif
case TCM_GETITEM:
if (!lParam || !ptc) {
return FALSE;
}
return (LRESULT)Tab_OnGetItem(ptc, (int)wParam, (TC_ITEM FAR*)lParam);
#ifdef UNICODE
case TCM_INSERTITEMA:
{
LRESULT lResult;
TC_ITEMW * pItemW;
if (!lParam || !ptc) {
return FALSE;
}
pItemW = ThunkItemAtoW(ptc, (TC_ITEMA FAR*)lParam);
if (!pItemW) {
return FALSE;
}
lResult = (LRESULT)Tab_OnInsertItem(ptc, (int)wParam, pItemW);
FreeItemW(pItemW);
return lResult;
}
#endif
case TCM_INSERTITEM:
if (!lParam || !ptc) {
return FALSE;
}
return (LRESULT)Tab_OnInsertItem(ptc, (int)wParam, (const TC_ITEM FAR*)lParam);
case TCM_DELETEITEM:
if (!ptc)
break;
return (LRESULT)Tab_OnDeleteItem(ptc, (int)wParam);
case TCM_DELETEALLITEMS:
if (!ptc)
break;
return (LRESULT)Tab_OnDeleteAllItems(ptc);
case TCM_SETCURFOCUS:
if (!ptc)
break;
Tab_SetCurFocus(ptc, wParam);
break;
case TCM_GETCURFOCUS:
if (!ptc)
break;
if (ptc->iNewSel != -1)
return ptc->iNewSel;
// else fall through
case TCM_GETCURSEL:
if (!ptc)
break;
return ptc->iSel;
case TCM_SETCURSEL:
if (!ptc)
break;
return (LRESULT)ChangeSel(ptc, (int)wParam, FALSE);
case TCM_GETTOOLTIPS:
if (!ptc)
break;
return (LRESULT)(UINT)ptc->hwndToolTips;
case TCM_SETTOOLTIPS:
if (!ptc)
break;
ptc->hwndToolTips = (HWND)wParam;
break;
case TCM_ADJUSTRECT:
if (lParam && ptc) {
int idy;
CalcPaintMetrics(ptc, NULL);
#define prc ((RECT FAR *)lParam)
if (Tab_DrawButtons(ptc)) {
if (Tab_Count(ptc)) {
RECT rc;
Tab_OnGetItemRect(ptc, Tab_Count(ptc) - 1, &rc);
idy = rc.bottom;
} else {
idy = 0;
}
} else {
idy = (ptc->cyTabs * (ptc->iLastRow + 1));
}
idy += g_cyEdge * 2;
if (wParam) {
// calc a larger rect from the smaller
prc->left -= g_cxEdge * 2;
prc->right += g_cxEdge * 2;
prc->bottom += g_cyEdge * 2;
prc->top -= idy;
} else {
// given the bounds, calc the "client" area
prc->left += g_cxEdge * 2;
prc->right -= g_cxEdge * 2;
prc->bottom -= g_cyEdge * 2;
prc->top += idy;
}
} else
return -1;
break;
case TCM_GETITEMRECT:
if (!ptc)
break;
return Tab_OnGetItemRect(ptc, (int)wParam, (LPRECT)lParam);
case TCM_SETIMAGELIST: {
HIMAGELIST himlOld;
if (!ptc)
break;
himlOld = ptc->himl;
ptc->himl = (HIMAGELIST)lParam;
ptc->cxItem = ptc->cyTabs = RECOMPUTE;
RedrawAll(ptc, RDW_INVALIDATE | RDW_ERASE);
return (LRESULT)(UINT)himlOld;
}
case TCM_GETIMAGELIST:
if (!ptc)
break;
return (LRESULT)(UINT)ptc->himl;
case TCM_REMOVEIMAGE:
if (!ptc)
break;
Tab_OnRemoveImage(ptc, (int)wParam);
break;
case TCM_SETITEMSIZE: {
int iOldWidth = ptc->iTabWidth;
int iOldHeight = ptc->iTabHeight;
int iNewWidth = LOWORD(lParam);
int iNewHeight = HIWORD(lParam);
#ifndef WIN31
if (ptc->himl) {
int cx, cy;
ImageList_GetIconSize(ptc->himl, &cx, &cy);
if (iNewWidth < (cx + (2*g_cxEdge)))
iNewWidth = cx + (2*g_cxEdge);
}
#endif
ptc->iTabWidth = iNewWidth;
ptc->iTabHeight = iNewHeight;
if (iNewWidth != iOldWidth ||
iNewHeight != iOldHeight) {
ptc->cxItem = RECOMPUTE;
ptc->cyTabs = RECOMPUTE;
RedrawAll(ptc, RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW);
}
return (LRESULT)MAKELONG(iOldWidth, iOldHeight);
}
case TCM_SETPADDING:
if (!ptc)
break;
ptc->cxPad = LOWORD(lParam);
ptc->cyPad = HIWORD(lParam);
break;
case TCM_GETROWCOUNT:
if (!ptc)
break;
CalcPaintMetrics(ptc, NULL);
return (LRESULT)ptc->iLastRow + 1;
case TCM_HITTEST: {
#define lphitinfo ((LPTC_HITTESTINFO)lParam)
if (!ptc)
break;
return Tab_OnHitTest(ptc, lphitinfo->pt.x, lphitinfo->pt.y, &lphitinfo->flags);
}
case WM_NCHITTEST:
{
POINT pt = {LOWORD(lParam), HIWORD(lParam)};
if (!ptc)
break;
ScreenToClient(ptc->hwnd, &pt);
if (Tab_OnHitTest(ptc, pt.x, pt.y, NULL) == -1)
return(HTTRANSPARENT);
else {
//fall through
}
}
default:
DoDefault:
return DefWindowProc(hwnd, msg, wParam, lParam);
}
return 0L;
}
#ifdef UNICODE
//
// ANSI <=> UNICODE thunks
//
TC_ITEMW * ThunkItemAtoW (PTC ptc, TC_ITEMA * pItemA)
{
TC_ITEMW *pItemW;
UINT cbTextW;
INT iResult;
pItemW = (TC_ITEMW *) GlobalAlloc (GPTR, sizeof(TC_ITEMW) + ptc->cbExtra);
if (!pItemW) {
return NULL;
}
pItemW->mask = pItemA->mask;
pItemW->lpReserved1 = pItemA->lpReserved1;
pItemW->lpReserved2 = pItemA->lpReserved2;
if ((pItemA->mask & TCIF_TEXT) && pItemA->pszText) {
cbTextW = lstrlenA(pItemA->pszText) + 1;
pItemW->pszText = (LPWSTR)GlobalAlloc (GPTR, cbTextW * sizeof(TCHAR));
if (!pItemW->pszText) {
GlobalFree (pItemW);
return NULL;
}
iResult = MultiByteToWideChar (CP_ACP, 0, pItemA->pszText, -1,
pItemW->pszText, cbTextW);
if (!iResult) {
if (GetLastError()) {
GlobalFree (pItemW->pszText);
GlobalFree (pItemW);
return NULL;
}
}
}
pItemW->cchTextMax = pItemA->cchTextMax;
if (pItemA->mask & TCIF_IMAGE) {
pItemW->iImage = pItemA->iImage;
}
if (pItemA->mask & TCIF_PARAM) {
hmemcpy(&pItemW->lParam, &pItemA->lParam, ptc->cbExtra);
}
return (pItemW);
}
BOOL ThunkItemWtoA (PTC ptc, TC_ITEMW * pItemW, TC_ITEMA * pItemA)
{
UINT cbTextA;
INT iResult;
if (!pItemA) {
return FALSE;
}
pItemA->mask = pItemW->mask;
pItemA->lpReserved1 = pItemW->lpReserved1;
pItemA->lpReserved2 = pItemW->lpReserved2;
if ((pItemW->mask & TCIF_TEXT) && pItemW->pszText && pItemW->cchTextMax) {
iResult = WideCharToMultiByte (CP_ACP, 0, pItemW->pszText, -1,
pItemA->pszText, pItemW->cchTextMax, NULL, NULL);
if (!iResult) {
if (GetLastError()) {
return FALSE;
}
}
}
pItemA->cchTextMax = pItemW->cchTextMax;
if (pItemW->mask & TCIF_IMAGE) {
pItemA->iImage = pItemW->iImage;
}
if (pItemW->mask & TCIF_PARAM) {
hmemcpy(&pItemA->lParam, &pItemW->lParam, ptc->cbExtra);
}
return TRUE;
}
BOOL FreeItemW (TC_ITEMW *pItemW)
{
if ((pItemW->mask & TCIF_TEXT) && pItemW->pszText) {
GlobalFree (pItemW->pszText);
}
GlobalFree (pItemW);
return TRUE;
}
BOOL FreeItemA (TC_ITEMA *pItemA)
{
if ((pItemA->mask & TCIF_TEXT) && pItemA->pszText) {
GlobalFree (pItemA->pszText);
}
GlobalFree (pItemA);
return TRUE;
}
#endif