windows-nt/Source/XPSP1/NT/shell/comctl32/v6/tab.c
2020-09-26 16:20:57 +08:00

4185 lines
117 KiB
C

#include "ctlspriv.h"
#include "tab.h"
#define BMOVECURSORONCLICK FALSE
#define BMOVECURSORONDRAG TRUE
BOOL Tab_OnGetItemRect(PTC ptc, int iItem, LPRECT lprc);
BOOL Tab_Init(HINSTANCE hinst)
{
WNDCLASS wc;
wc.lpfnWndProc = Tab_WndProc;
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_DBLCLKS | CS_HREDRAW | CS_VREDRAW;
wc.cbWndExtra = sizeof(PTC);
wc.cbClsExtra = 0;
if (!RegisterClass(&wc) && !GetClassInfo(hinst, c_szTabControlClass, &wc))
return FALSE;
return TRUE;
}
void Tab_VFlipRect(PTC ptc, LPRECT prc);
void FlipRect(LPRECT prc);
void VertInvalidateRect(HWND hwnd, LPRECT qrc, BOOL b, BOOL fVert);
// Shared generic theme-aware code (exists in trackbar.c)
void VertDrawEdge(HDC hdc, LPRECT qrc, UINT edgeType, UINT grfFlags,
BOOL fVert, HTHEME hTheme, int iPartId, int iStateId);
void VertPatBlt(HDC hdc1, int x1, int y1, int w, int h,
DWORD rop, BOOL fVert, HTHEME hTheme, int iPartId, int iStateId);
LRESULT TabDragCallback(HWND hwnd, UINT code, WPARAM wp, LPARAM lp)
{
PTC ptc = (PTC)GetWindowInt(hwnd, 0);
LRESULT lres;
switch (code)
{
case DPX_ENTER:
case DPX_LEAVE:
ptc->iDragTab = -1;
ptc->dwDragDelay = 0;
lres = 1;
break;
case DPX_DRAGHIT:
if (lp)
{
BOOL fResetDelay = TRUE;
int iTab;
POINT pt;
pt.x = ((POINTL *)lp)->x;
pt.y = ((POINTL *)lp)->y;
MapWindowPoints(NULL, ptc->ci.hwnd, &pt, 1);
iTab = Tab_OnHitTest(ptc, pt.x, pt.y, NULL);
if ((iTab != ptc->iSel))
{
if (iTab >= 0)
{
DWORD dwHitTime = GetTickCount();
if (ptc->dwDragDelay == 0 ||
dwHitTime - ptc->dwDragDelay >= TAB_DRAGDELAY)
{
if (ptc->dwDragDelay)
{
ChangeSel(ptc, iTab, TRUE, BMOVECURSORONDRAG);
// present no target if validation failed
// this will prevent accidental drops
if (ptc->iSel != iTab)
iTab = -1;
}
else
{
ptc->dwDragDelay = dwHitTime | 1; // make sure value is not zero
fResetDelay = FALSE;
}
}
else if (iTab == ptc->iDragTab)
fResetDelay = FALSE;
}
ptc->iDragTab = iTab;
}
if (fResetDelay)
ptc->dwDragDelay = 0;
lres = (LRESULT)iTab;
}
else
lres = -1;
break;
case DPX_GETOBJECT:
lres = (LRESULT)GetItemObject(&ptc->ci, TCN_GETOBJECT, &IID_IDropTarget, (LPNMOBJECTNOTIFY)lp);
break;
case DPX_SELECT:
if (((int)wp) >= 0)
{
SendMessage(ptc->ci.hwnd, TCM_HIGHLIGHTITEM, wp,
MAKELPARAM((lp != DROPEFFECT_NONE), 0));
}
lres = 0;
break;
default:
lres = -1;
break;
}
return lres;
}
void VertSmoothScrollWindow(HWND hwnd, int dx, int dy, LPCRECT lprcSrc, LPCRECT lprcClip, HRGN hrgn, LPRECT lprcUpdate, UINT fuScroll, BOOL fVert, UINT uScrollMin)
{
RECT rcSrc;
RECT rcClip;
SMOOTHSCROLLINFO si;
if (fVert)
{
SWAP(dx, dy, int);
if (lprcSrc)
{
rcSrc = *lprcSrc;
lprcSrc = &rcSrc;
FlipRect(&rcSrc);
}
if (lprcClip)
{
rcClip = *lprcClip;
lprcClip = &rcClip;
FlipRect(&rcClip);
}
}
si.cbSize=sizeof(si);
si.fMask= SSIF_MINSCROLL;
si.hwnd= hwnd;
si.dx=dx;
si.dy=dy;
si.lprcSrc=lprcSrc;
si.lprcClip=lprcClip;
si.hrgnUpdate=hrgn;
si.lprcUpdate=lprcUpdate;
si.fuScroll=fuScroll;
si.uMaxScrollTime=SSI_DEFAULT;
si.cxMinScroll=uScrollMin;
si.cyMinScroll= uScrollMin;
si.pfnScrollProc = NULL;
SmoothScrollWindow(&si);
if (fVert)
{
if (lprcUpdate)
FlipRect(lprcUpdate);
}
}
void Tab_SmoothScrollWindow(PTC ptc, int dx, int dy, LPRECT lprcSrc, LPRECT lprcClip,
HRGN hrgn, LPRECT lprcUpdate, UINT fuScroll, UINT uScrollMin)
{
RECT rcSrc;
RECT rcClip;
if (Tab_Bottom(ptc))
{
dy *= -1;
if (lprcSrc)
{
rcSrc = *lprcSrc;
lprcSrc = &rcSrc;
Tab_VFlipRect(ptc, lprcSrc);
}
if (lprcClip)
{
rcClip = *lprcClip;
lprcClip = &rcClip;
Tab_VFlipRect(ptc, lprcClip);
}
}
VertSmoothScrollWindow(ptc->ci.hwnd, dx, dy, lprcSrc, lprcClip, hrgn, lprcUpdate, fuScroll, Tab_Vertical(ptc), uScrollMin);
if (lprcUpdate)
{
Tab_VFlipRect(ptc, lprcClip);
}
}
void Tab_InvalidateRect(PTC ptc, LPRECT prc, BOOL b)
{
RECT rc = *prc;
Tab_VFlipRect(ptc, &rc);
VertInvalidateRect((ptc)->ci.hwnd, &rc, b, Tab_Vertical(ptc));
}
// Tab_DrawEdge is theme-aware
void Tab_DrawEdge(HDC hdc, LPRECT prc, UINT uType, UINT uFlags, PTC ptc)
{
RECT rc = *prc;
Tab_VFlipRect(ptc, &rc);
if (Tab_Bottom(ptc))
{
UINT uNewFlags;
if (uFlags & BF_DIAGONAL)
{
uNewFlags = uFlags & ~(BF_RIGHT | BF_LEFT);
if (uFlags & BF_LEFT)
uNewFlags |= BF_RIGHT;
if (uFlags & BF_RIGHT)
uNewFlags |= BF_LEFT;
}
else
{
uNewFlags = uFlags & ~(BF_TOP | BF_BOTTOM);
if (uFlags & BF_TOP)
uNewFlags |= BF_BOTTOM;
if (uFlags & BF_BOTTOM)
uNewFlags |= BF_TOP;
}
uFlags = uNewFlags;
}
VertDrawEdge(hdc, &rc, uType, uFlags, Tab_Vertical(ptc), ptc->hTheme, ptc->iPartId, ptc->iStateId);
}
// Tab_PatBlt is theme aware
void Tab_PatBlt(HDC hdc, int x1, int y1, int w, int h, UINT rop, PTC ptc)
{
RECT rc;
rc.top = y1;
rc.left = x1;
rc.right = x1+w;
rc.bottom = y1+h;
Tab_VFlipRect(ptc, &rc);
VertPatBlt(hdc, rc.left, rc.top, RECTWIDTH(rc) , RECTHEIGHT(rc), rop, Tab_Vertical(ptc), ptc->hTheme, ptc->iPartId, ptc->iStateId);
}
void NormalizeRect(LPRECT prc)
{
if (prc->right < prc->left)
{
SWAP(prc->right, prc->left, int);
}
if (prc->bottom < prc->top)
{
SWAP(prc->bottom, prc->top, int);
}
}
void VFlipRect(LPRECT prcClient, LPRECT prc)
{
int iTemp = prc->bottom;
prc->bottom = prcClient->bottom - (prc->top - prcClient->top);
prc->top = prcClient->bottom - (iTemp - prcClient->top);
}
// diagonal flip.
void Tab_DFlipRect(PTC ptc, LPRECT prc)
{
if (Tab_Vertical(ptc))
{
FlipRect(prc);
}
}
// vertical support is done much like the trackbar control. we're going
// to flip the coordinate system. this means that tabs will be added from top down.
void Tab_GetClientRect(PTC ptc, LPRECT prc)
{
GetClientRect(ptc->ci.hwnd, prc);
Tab_DFlipRect(ptc, prc);
}
// vertical flip
void Tab_VFlipRect(PTC ptc, LPRECT prc)
{
if (Tab_Bottom(ptc))
{
RECT rcClient;
Tab_GetClientRect(ptc, &rcClient);
VFlipRect(&rcClient, prc);
}
}
void Tab_VDFlipRect(PTC ptc, LPRECT prc)
{
Tab_VFlipRect(ptc, prc);
Tab_DFlipRect(ptc, prc);
}
// real coordinates to tab coordinates
void Tab_DVFlipRect(PTC ptc, LPRECT prc)
{
Tab_DFlipRect(ptc, prc);
Tab_VFlipRect(ptc, prc);
}
#define Tab_ImageList_GetIconSize(ptc, pcx, pcy) VertImageList_GetIconSize((ptc)->himl, pcx, pcy, Tab_Vertical(ptc))
void VertImageList_GetIconSize(HIMAGELIST himl, LPINT pcx, LPINT pcy, BOOL fVert)
{
ImageList_GetIconSize(himl, pcx, pcy);
if (fVert)
{
// if we're in vertical mode, the width is really the height.
// we won't draw the bitmaps sideways. we'll rely on people
// authoring them that way.
int iTemp = *pcy;
*pcy = *pcx;
*pcx = iTemp;
}
}
void VertImageList_Draw(HIMAGELIST himl, int iIndex, HDC hdc, int x, int y, UINT uFlags, BOOL fVert)
{
if (fVert) {
int iTemp;
iTemp = y;
y = x;
x = iTemp;
// since we draw from the upper left, flipping the x/y axis means we still draw from the upper left.
// all we need to do is swap x and y. we don't need to offset
}
ImageList_Draw( himl, iIndex, hdc, x, y, uFlags);
}
void Tab_ImageList_Draw(PTC ptc, int iImage, HDC hdc, int x, int y, UINT uFlags)
{
RECT rc;
int cxImage, cyImage;
Tab_ImageList_GetIconSize(ptc, &cxImage, &cyImage);
if (Tab_Bottom(ptc)) {
y += cyImage;
}
rc.top = rc.bottom = y;
Tab_VFlipRect(ptc, &rc);
y = rc.top;
VertImageList_Draw((ptc)->himl, iImage, hdc, x, y, uFlags, Tab_Vertical(ptc));
}
// Tab_DrawText is theme aware (RENDERS)
void Tab_DrawText(HDC hdc, LPTSTR lpsz, int nCount, LPRECT lprc, UINT uFormat, PTC ptc)
{
RECT rcTemp = *lprc;
Tab_VDFlipRect(ptc, &rcTemp);
if (Tab_Vertical(ptc))
uFormat |= DT_BOTTOM;
if (CCGetUIState(&(ptc->ci)) & UISF_HIDEACCEL)
{
uFormat |= DT_HIDEPREFIX;
}
// Use theme text renderer if possible
if (ptc->hTheme)
{
DrawThemeText(ptc->hTheme, hdc, ptc->iPartId, ptc->iStateId, lpsz, nCount, uFormat, nCount, &rcTemp);
}
else
{
DrawText(hdc, lpsz, nCount, &rcTemp, uFormat);
}
}
// Tab_DrawTextEx is theme aware (RENDERS)
void Tab_DrawTextEx(HDC hdc, LPTSTR lpsz, int nCount, LPRECT lprc, UINT uFormat, LPDRAWTEXTPARAMS lpParams, PTC ptc)
{
RECT rcTemp = *lprc;
Tab_VDFlipRect(ptc, &rcTemp);
if (Tab_Vertical(ptc))
uFormat |= DT_BOTTOM;
if (CCGetUIState(&(ptc->ci)) & UISF_HIDEACCEL)
{
uFormat |= DT_HIDEPREFIX;
}
// Use theme text renderer if possible
if (ptc->hTheme)
{
DrawThemeText(ptc->hTheme, hdc, ptc->iPartId, ptc->iStateId, lpsz, nCount, uFormat | DT_CENTER, nCount, &rcTemp);
}
else
{
DrawTextEx(hdc, lpsz, nCount, &rcTemp, uFormat, lpParams);
}
}
// Tab_ExtTextOut is theme aware (RENDERS)
void Tab_ExtTextOut(HDC hdc, int x, int y, UINT uFlags, LPRECT prc,
LPTSTR lpsz, UINT cch, CONST INT *pdw, PTC ptc)
{
RECT rcTemp;
rcTemp.left = rcTemp.right = x;
if (Tab_Bottom(ptc) && !Tab_Vertical(ptc)) {
// first we need to move the top point because if we're drawing on Tab_Bottom, then
// text won't extend down from y.
y += ptc->tmHeight;
}
rcTemp.top = rcTemp.bottom = y;
Tab_VDFlipRect(ptc, &rcTemp);
x = rcTemp.left;
y = rcTemp.bottom;
rcTemp = *prc;
Tab_VDFlipRect(ptc, &rcTemp);
// Use theme text renderer if possible
if (ptc->hTheme)
{
if (lpsz)
{
UINT uDTFlags = 0;
RECT rc = { x, y, rcTemp.right, rcTemp.bottom };
if (!(uFlags & ETO_CLIPPED))
uDTFlags |= DT_NOCLIP;
if (uFlags & ETO_RTLREADING)
uDTFlags |= DT_RTLREADING;
// Vertical text not supported
DrawThemeText(ptc->hTheme, hdc, ptc->iPartId, ptc->iStateId, lpsz, cch, uDTFlags, 0, &rc);
}
}
else
{
ExtTextOut(hdc, x, y, uFlags, &rcTemp, lpsz, cch, pdw);
}
}
void VertDrawFocusRect(HDC hdc, LPRECT lprc, BOOL fVert)
{
RECT rc;
rc = *lprc;
if (fVert)
FlipRect(&rc);
DrawFocusRect(hdc, &rc);
}
// Tab_DrawFocusRect is theme aware
void Tab_DrawFocusRect(HDC hdc, LPRECT lprc, PTC ptc)
{
RECT rc = *lprc;
Tab_VFlipRect(ptc, &rc);
VertDrawFocusRect(hdc, &rc, Tab_Vertical(ptc));
}
void 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);
Tab_SmoothScrollWindow(ptc, dx, 0, NULL, &rc,
NULL, NULL, SW_INVALIDATE | SW_ERASE, SSI_DEFAULT);
// 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);
}
// 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;
Tab_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;
Tab_InvalidateRect(ptc, &rc, TRUE);
}
ptc->iFirstVisible = iNewFirstIndex;
if (ptc->hwndArrows)
SendMessage(ptc->hwndArrows, UDM_SETPOS, 0, MAKELPARAM(iNewFirstIndex, 0));
UpdateToolTipRects(ptc);
}
void 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->ci.hwnd);
}
}
}
}
void Tab_OnSetRedraw(PTC ptc, BOOL fRedraw)
{
if (fRedraw) {
ptc->flags |= TCF_REDRAW;
RedrawAll(ptc, RDW_INVALIDATE);
} else {
ptc->flags &= ~TCF_REDRAW;
}
}
// Tab_OnSetFont will always cache the font (even if themes are on, in which case this font will be
// ignored). This is because dialog managers will set the tabs font on creation. If themes are
// turned off and this font was never set, the default system font will be incorrectly used.
void Tab_OnSetFont(PTC ptc, HFONT hfont, BOOL fRedraw)
{
ASSERT(ptc);
if (!ptc->hfontLabel || hfont != ptc->hfontLabel)
{
if (ptc->flags & TCF_FONTCREATED)
{
DeleteObject(ptc->hfontLabel);
ptc->flags &= ~TCF_FONTCREATED;
ptc->hfontLabel = NULL;
}
if (!hfont)
{
// set back to system font
ptc->hfontLabel = g_hfontSystem;
}
else
{
ptc->flags |= TCF_FONTSET;
ptc->hfontLabel = hfont;
ptc->ci.uiCodePage = GetCodePageForFont(hfont);
}
ptc->cxItem = ptc->cyTabs = RECOMPUTE;
if (Tab_Vertical(ptc))
{
// make sure that the font is drawn vertically
LOGFONT lf;
GetObject(ptc->hfontLabel, sizeof(lf), &lf);
if (Tab_Bottom(ptc))
{
lf.lfEscapement = 2700;
}
else
{
lf.lfEscapement = 900; // 90 degrees
}
lf.lfOutPrecision = OUT_TT_ONLY_PRECIS;
ptc->hfontLabel = CreateFontIndirect(&lf);
if (ptc->hfontLabel != NULL)
ptc->flags |= TCF_FONTCREATED;
}
if (ptc->hfontLabel != NULL)
RedrawAll(ptc, RDW_INVALIDATE | RDW_ERASE);
}
}
BOOL Tab_OnCreate(PTC ptc)
{
HDC hdc;
DWORD exStyle = 0;
ptc->hdpa = DPA_Create(4);
if (!ptc->hdpa)
return FALSE;
// make sure we don't have invalid bits set
if (!Tab_FixedWidth(ptc))
{
ptc->ci.style &= ~(TCS_FORCEICONLEFT | TCS_FORCELABELLEFT);
}
if (Tab_Vertical(ptc))
{
ptc->ci.style |= TCS_MULTILINE;
//ptc->ci.style &= ~TCS_BUTTONS;
}
if (Tab_ScrollOpposite(ptc))
{
ptc->ci.style |= TCS_MULTILINE;
ptc->ci.style &= ~TCS_BUTTONS;
}
if (Tab_FlatButtons(ptc))
{
ptc->dwStyleEx |= TCS_EX_FLATSEPARATORS;
}
// Initialize themes. No themes for owner drawn or button-style tab controls
ptc->hTheme = (!Tab_OwnerDraw(ptc) && !Tab_DrawButtons(ptc)) ? OpenThemeData(ptc->ci.hwnd, L"Tab") : NULL;
// Active hot state if themes are in use
if (ptc->hTheme)
{
ptc->ci.style |= TCS_HOTTRACK;
}
// make us always clip siblings
SetWindowLong(ptc->ci.hwnd, GWL_STYLE, WS_CLIPSIBLINGS | ptc->ci.style);
ptc->flags = TCF_REDRAW; // enable redraw
ptc->cbExtra = sizeof(LPARAM); // default extra size
ptc->iSel = -1;
ptc->iHot = -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;
ptc->iLastTopRow = -1;
hdc = GetDC(NULL);
ptc->iTabWidth = GetDeviceCaps(hdc, LOGPIXELSX);
ReleaseDC(NULL, hdc);
InitDitherBrush();
if (ptc->ci.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->ci.hwnd;
ti.uId = (UINT_PTR)ptc->ci.hwnd;
ti.lpszText = 0;
ptc->hwndToolTips = CreateWindowEx(exStyle, c_szSToolTipsClass, TEXT(""),
WS_POPUP,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
ptc->ci.hwnd, NULL, HINST_THISDLL,
NULL);
if (ptc->hwndToolTips)
SendMessage(ptc->hwndToolTips, TTM_ADDTOOL, 0,
(LPARAM)(LPTOOLINFO)&ti);
else
ptc->ci.style &= ~(TCS_TOOLTIPS);
}
if (g_fDBCSInputEnabled)
ptc->hPrevImc = ImmAssociateContext(ptc->ci.hwnd, 0L);
// Setup theme state for methods called that render themes before first paint, setup state (TAB/BUTTON)
if (ptc->hTheme)
{
ptc->iPartId = TABP_TABITEM;
ptc->iStateId = TIS_NORMAL;
}
return TRUE;
}
void Tab_OnDestroy(PTC ptc)
{
int i;
// Close theme
if (ptc->hTheme)
CloseThemeData(ptc->hTheme);
if (g_fDBCSInputEnabled)
ImmAssociateContext(ptc->ci.hwnd, ptc->hPrevImc);
if ((ptc->ci.style & TCS_TOOLTIPS) && IsWindow(ptc->hwndToolTips))
{
DestroyWindow(ptc->hwndToolTips);
}
for (i = 0; i < Tab_Count(ptc); i++)
Tab_FreeItem(ptc, Tab_FastGetItemPtr(ptc, i));
DPA_Destroy(ptc->hdpa);
if (ptc->hDragProxy)
DestroyDragProxy(ptc->hDragProxy);
if (ptc->flags & TCF_FONTCREATED) {
DeleteObject(ptc->hfontLabel);
}
if (ptc) {
SetWindowInt(ptc->ci.hwnd, 0, 0);
NearFree((HLOCAL)ptc);
}
TerminateDitherBrush();
}
// returns true if it actually moved
void PutzRowToBottom(PTC ptc, int iRowMoving)
{
int i;
LPTABITEM pitem;
int dy;
RECT rcTabs;
Tab_GetClientRect(ptc, &rcTabs);
if (Tab_ScrollOpposite(ptc)) {
// in scroll mode, the iRow doesn't change. only the rc's do.
int yOldTop;
int yNewTop;
int iLastTopRow = ptc->iLastTopRow == -1 ? ptc->iLastRow : ptc->iLastTopRow;
if (iRowMoving == iLastTopRow) {
if (ptc->iLastTopRow == -1)
ptc->iLastTopRow = iRowMoving;
return; // already at the bottom;
}
// this is the height of the tab's empty area... which is the amount
// of space a tab must move to get from the top to the bottom
dy = rcTabs.bottom - rcTabs.top - (ptc->cyTabs * (ptc->iLastRow + 1)) - g_cyEdge;
for (i = Tab_Count(ptc) - 1; i >= 0; i--) {
pitem = Tab_FastGetItemPtr(ptc, i);
DebugMsg(DM_TRACE, TEXT("Putzing %s %d %d %d %d"), pitem->pszText, pitem->rc.left, pitem->rc.top, pitem->rc.right, pitem->rc.bottom);
// save this for scrolling below
if (pitem->iRow == iRowMoving) {
yNewTop = pitem->rc.bottom;
} else if (pitem->iRow == iLastTopRow) {
yOldTop = pitem->rc.bottom;
}
if (pitem->iRow > iRowMoving) {
// this item should be on the bottom
if (pitem->iRow <= iLastTopRow) {
// but it's not...
OffsetRect(&pitem->rc, 0, dy);
}
} else {
// this item should be on the top
if (pitem->iRow > iLastTopRow) {
// but it's not... so move it
OffsetRect(&pitem->rc, 0, -dy);
}
}
if ((pitem->iRow == iLastTopRow) && iLastTopRow > iRowMoving) {
// in this case, we need to get the yOldTop AFTER it's moved.
yOldTop = pitem->rc.bottom;
}
DebugMsg(DM_TRACE, TEXT("Putzing %s %d %d %d %d"), pitem->pszText, pitem->rc.left, pitem->rc.top, pitem->rc.right, pitem->rc.bottom);
}
if (ptc->iLastTopRow != -1) {
// if it wasn't a full recalc, then we need to do some scrollwindow stuff.
int dy;
// first find the topmost parent
dy = yOldTop - yNewTop;
if (yNewTop > yOldTop) {
rcTabs.top = yOldTop;
rcTabs.bottom = yNewTop;
} else {
rcTabs.top = yNewTop;
rcTabs.bottom = yOldTop;
}
Tab_SmoothScrollWindow(ptc, 0, dy, NULL, &rcTabs, NULL, NULL, SW_ERASE |SW_INVALIDATE, 1);
InflateRect(&rcTabs, g_cxEdge, g_cyEdge);
Tab_InvalidateRect(ptc, &rcTabs, FALSE);
}
ptc->iLastTopRow = iRowMoving;
} else {
if (iRowMoving == ptc->iLastRow)
return; // already at the bottom;
// no scrolling. just set the iRow var appropriatesly
for (i = Tab_Count(ptc) -1 ;i >= 0; i--) {
pitem = Tab_FastGetItemPtr(ptc, i);
if (pitem->iRow > iRowMoving) {
// if the row is higher than the row that's being selected,
// it drops one.
pitem->iRow--;
dy = -ptc->cyTabs;
} else if (pitem->iRow == iRowMoving) {
// save this
rcTabs.top = pitem->rc.top;
// if it's on the row that's moving down, we assign it to iLastRow and
//calculate how far it needs to go.
dy = ptc->cyTabs * (ptc->iLastRow - iRowMoving);
pitem->iRow = ptc->iLastRow;
} else
continue;
pitem->rc.top += dy;
pitem->rc.bottom += dy;
}
rcTabs.bottom = ptc->cyTabs * (ptc->iLastRow + 1);
Tab_SmoothScrollWindow(ptc, 0, rcTabs.bottom - rcTabs.top, NULL, &rcTabs, NULL, NULL, SW_ERASE |SW_INVALIDATE, 1);
UpdateWindow(ptc->ci.hwnd);
// invalidate the little bit below the
rcTabs.bottom += 2*g_cyEdge;
rcTabs.top = rcTabs.bottom - 3 * g_cyEdge;
Tab_InvalidateRect(ptc, &rcTabs, TRUE);
}
UpdateToolTipRects(ptc);
}
__inline int Tab_InterButtonGap(PTC ptc)
{
ASSERT(Tab_DrawButtons(ptc));
if (Tab_FlatButtons(ptc)) {
return (g_cxEdge * 5);
} else {
return (g_cxEdge * 3)/2;
}
}
//
// BADNESS is the amount of unused space in the row
//
#define BADNESS(ptc, i) (ptc->cxTabs - Tab_FastGetItemPtr(ptc, i)->rc.right)
// borrow one tab from the prevous row
BOOL 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);
// dx is the number of extra pixels that aren't part of the pitem->rc.
// The non-button case of 2 * g_cxEdge is maniacally hard-coded
// all over the place. Change it at your own risk.
if (Tab_DrawButtons(ptc))
dx = Tab_InterButtonGap(ptc);
else
dx = 2 * g_cxEdge; // inflate by g_cxEdge
// if the size of the item is greaterthan the badness
if (BADNESS(ptc, iCurLast) < (pitem->rc.right - pitem->rc.left + dx))
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->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;
}
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 FillLastRow(PTC ptc)
{
int hspace;
int cItems = Tab_Count(ptc);
int iPrevLast;
int iBorrow = 0;
// if not even two items, nothing to fill from
if (cItems < 2)
return;
// find last item on previous row
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 RightJustify(PTC ptc)
{
int i;
LPTABITEM pitem;
int j;
int k;
int n;
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;
}
// count the number of items
for(n=0,k=i ; k < j ; k++ ) {
pitem = Tab_FastGetItemPtr(ptc, k);
if (!(pitem->dwState & TCIS_HIDDEN))
n++;
}
// how much to fill
hspace = ptc->cxTabs - Tab_FastGetItemPtr(ptc, j-1)->rc.right - g_cxEdge;
dwidth = hspace/n; // amount to increase each by.
dremainder = hspace % n; // the remnants
moved = 0; // how much we've moved already
for( ; i < j ; i++ ) {
int iHalf = dwidth/2;
pitem = Tab_FastGetItemPtr(ptc, i);
if (!(pitem->dwState & TCIS_HIDDEN)) {
pitem->rc.left += moved;
pitem->xLabel += iHalf;
pitem->xImage += iHalf;
moved += dwidth + (dremainder ? 1 : 0);
if ( dremainder ) dremainder--;
pitem->rc.right += moved;
}
}
i--; //dec because the outter forloop incs again.
}
}
BOOL 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->ci.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;
ptc->iFirstVisible = 0;
RedrawAll(ptc, RDW_INVALIDATE | RDW_ERASE);
return TRUE;
}
BOOL Tab_OnSetItemExtra(PTC ptc, int cbExtra)
{
if (Tab_Count(ptc) >0 || cbExtra<0)
return FALSE;
ptc->cbExtra = cbExtra;
return TRUE;
}
BOOL Tab_OnSetItem(PTC ptc, int iItem, const TC_ITEM* ptci)
{
TABITEM* pitem;
UINT mask;
BOOL fChanged = FALSE;
BOOL fFullRedraw = 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;
fFullRedraw = TRUE;
fChanged = TRUE;
pitem->etoRtlReading = (mask & TCIF_RTLREADING) ?ETO_RTLREADING :0;
}
if (mask & TCIF_IMAGE)
{
if (pitem->iImage == -1 ||
ptci->iImage == -1)
{
// went from no image to image... or vice versa
// means needs full redraw
fFullRedraw = TRUE;
}
pitem->iImage = ptci->iImage;
fChanged = TRUE;
}
if ((mask & TCIF_PARAM) && ptc->cbExtra)
{
hmemcpy(pitem->DUMMYUNION_MEMBER(abExtra), &ptci->lParam, ptc->cbExtra);
}
if (mask & TCIF_STATE) {
DWORD dwOldState = pitem->dwState;
pitem->dwState =
(ptci->dwState & ptci->dwStateMask) |
(pitem->dwState & ~ptci->dwStateMask);
if (dwOldState != pitem->dwState)
fChanged = TRUE;
if ((dwOldState ^ pitem->dwState) & TCIS_HIDDEN)
fFullRedraw = TRUE;
if ((ptci->dwStateMask & TCIS_BUTTONPRESSED) &&
!(ptci->dwState & TCIS_BUTTONPRESSED)) {
// if they turned OFF being pushed and we were pushed because of
// selection, nuke it now.
if (ptc->iNewSel == iItem) {
ptc->iNewSel = -1;
fChanged = TRUE;
}
if (ptc->iSel == iItem) {
ChangeSel(ptc, -1, TRUE, FALSE);
fChanged = TRUE;
}
}
}
if (fChanged) {
if (Tab_FixedWidth(ptc) || !fFullRedraw) {
Tab_InvalidateItem(ptc, iItem, FALSE);
} else {
ptc->cxItem = ptc->cyTabs = RECOMPUTE;
RedrawAll(ptc, RDW_INVALIDATE | RDW_NOCHILDREN | RDW_ERASE);
}
}
return TRUE;
}
void Tab_OnMouseMove(PTC ptc, WPARAM fwKeys, int x, int y)
{
POINT pt;
int iHit;
pt.x=x; pt.y=y;
iHit = Tab_OnHitTest(ptc, x, y, NULL);
if (Tab_HotTrack(ptc)) {
if (iHit != ptc->iHot) {
Tab_InvalidateItem(ptc, iHit, FALSE);
Tab_InvalidateItem(ptc, ptc->iHot, FALSE);
ptc->iHot = iHit;
}
}
if (fwKeys & MK_LBUTTON && Tab_DrawButtons(ptc)) {
UINT uFlags;
if (ptc->iNewSel == -1)
return;
if (iHit == ptc->iNewSel) {
uFlags = TCF_DRAWSUNKEN;
} else {
uFlags = 0;
}
if ((ptc->flags & TCF_DRAWSUNKEN) != uFlags) {
// the bit isn't what it should be
ptc->flags ^= TCF_DRAWSUNKEN;
// we need to invalidate on flat buttons because we go from one pixes to 2 pixel edge
Tab_InvalidateItem(ptc, ptc->iNewSel, Tab_FlatButtons(ptc));
}
}
}
void Tab_OnButtonUp(PTC ptc, int x, int y, BOOL fNotify)
{
BOOL fAllow = TRUE;
if (fNotify) {
// pass NULL for parent because W95 queryied each time and some
// folks reparent
fAllow = !SendNotifyEx(NULL, ptc->ci.hwnd, NM_CLICK, NULL, ptc->ci.bUnicode);
}
if (Tab_DrawSunken(ptc)) {
// nothing selected (its empty)
// only do this if something is selected...
// otherwise we still do need to go below and release capture though
if (ptc->iNewSel != -1) {
if (Tab_OnHitTest(ptc, x, y, NULL) == ptc->iNewSel) {
int iNewSel = ptc->iNewSel;
// use iNewSel instead of ptc->iNewSel because the SendNotify could have nuked us
if (fAllow)
ChangeSel(ptc, iNewSel, TRUE, BMOVECURSORONCLICK);
Tab_InvalidateItem(ptc, iNewSel, FALSE);
} else {
Tab_InvalidateItem(ptc, ptc->iNewSel, FALSE);
Tab_InvalidateItem(ptc, ptc->iNewSel, FALSE);
}
// the changsel forces an updatewindow,
// but we might have a border to unpaint(because of the TCF_DRAWSUNKEN
// so we do another invalidate with just redraw
ptc->flags &= ~TCF_DRAWSUNKEN;
ptc->iNewSel = -1;
}
}
// 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;
Tab_InvalidateItem(ptc, iOldSel, FALSE);
CCReleaseCapture(&ptc->ci);
}
}
int Tab_OnHitTest(PTC ptc, int x, int y, UINT *lpuFlags)
{
int i;
int iLast = Tab_Count(ptc);
RECT rc;
POINT pt;
UINT uTemp;
rc.left = rc.right = x;
rc.top = rc.bottom = y;
Tab_DVFlipRect(ptc, &rc);
pt.x = rc.left;
pt.y = rc.top;
if (!lpuFlags) lpuFlags = &uTemp;
for (i = 0; i < iLast; i++) {
LPTABITEM pitem = Tab_FastGetItemPtr(ptc, i);
if (PtInRect(&pitem->rc, pt)) {
// x now needs to be in pitem coordinates
x -= pitem->rc.left;
*lpuFlags = TCHT_ONITEM;
if (!Tab_OwnerDraw(ptc)) {
if ((x > pitem->xLabel) && x < pitem->xLabel + pitem->cxLabel) {
*lpuFlags = TCHT_ONITEMLABEL;
} else if (HASIMAGE(ptc, pitem)) {
int cxImage, cyImage;
Tab_ImageList_GetIconSize(ptc, &cxImage, &cyImage);
if ((x > pitem->xImage) && (x < (pitem->xImage + cxImage)))
*lpuFlags = TCHT_ONITEMICON;
}
}
return i;
}
}
*lpuFlags = TCHT_NOWHERE;
return -1;
}
void Tab_DeselectAll(PTC ptc, BOOL fExcludeFocus)
{
int iMax = Tab_Count(ptc) - 1;
int i;
if (Tab_DrawButtons(ptc)) {
for (i = iMax; i >= 0; i--)
{
LPTABITEM pitem;
pitem = Tab_FastGetItemPtr(ptc, i);
if (!fExcludeFocus || (pitem->dwState & TCIS_BUTTONPRESSED)) {
TCITEM tci;
tci.mask = TCIF_STATE;
tci.dwStateMask = TCIS_BUTTONPRESSED;
tci.dwState = 0;
Tab_OnSetItem(ptc, i, &tci);
}
}
}
}
void Tab_OnRButtonDown(PTC ptc, int x, int y, WPARAM keyFlags)
{
int i;
int iOldSel = -1;
if (Tab_Vertical(ptc)) {
if (y > ptc->cxTabs)
return;
} else {
if (x > ptc->cxTabs)
return; // outside the range of the visible tabs
}
i = Tab_OnHitTest(ptc, x,y, NULL); // we don't swap x,y here because OnHitTest will
if (i != -1) {
if (Tab_DrawButtons(ptc) && Tab_MultiSelect(ptc)) {
TCITEM tci;
tci.mask = TCIF_STATE;
tci.dwStateMask = TCIS_BUTTONPRESSED;
Tab_OnGetItem(ptc, i, &tci);
// as with the listview, don't deselect anything on right button
if (!(tci.dwState & TCIS_BUTTONPRESSED)) {
if (!(GetAsyncKeyState(VK_CONTROL) < 0)) {
Tab_DeselectAll(ptc, FALSE);
}
// just toggle the pushed state.
tci.dwState = TCIS_BUTTONPRESSED;
Tab_OnSetItem(ptc, i, &tci);
}
}
}
}
void Tab_OnLButtonDown(PTC ptc, int x, int y, WPARAM keyFlags)
{
int i;
int iOldSel = -1;
if (Tab_Vertical(ptc)) {
if (y > ptc->cxTabs)
return;
} else {
if (x > ptc->cxTabs)
return; // outside the range of the visible tabs
}
i = Tab_OnHitTest(ptc, x,y, NULL); // we don't swap x,y here because OnHitTest will
if (i != -1) {
if (Tab_MultiSelect(ptc) && (GetAsyncKeyState(VK_CONTROL) < 0) && Tab_DrawButtons(ptc) ) {
// just toggle the pushed state.
TCITEM tci;
tci.mask = TCIF_STATE;
tci.dwStateMask = TCIS_BUTTONPRESSED;
Tab_OnGetItem(ptc, i, &tci);
tci.dwState ^= TCIS_BUTTONPRESSED;
Tab_OnSetItem(ptc, i, &tci);
} else {
iOldSel = ptc->iSel;
if ((!Tab_FocusNever(ptc))
&& Tab_FocusOnButtonDown(ptc))
{
SetFocus(ptc->ci.hwnd);
}
if (Tab_DrawButtons(ptc)) {
ptc->iNewSel = i;
ptc->flags |= (TCF_DRAWSUNKEN|TCF_MOUSEDOWN);
SetCapture(ptc->ci.hwnd);
// we need to invalidate on flat buttons because we go from one pixes to 2 pixel edge
Tab_InvalidateItem(ptc, i, Tab_FlatButtons(ptc));
} else {
iOldSel = ChangeSel(ptc, i, TRUE, BMOVECURSORONCLICK);
}
}
}
if ((!Tab_FocusNever(ptc)) &&
(iOldSel == i)) // reselect current selection
// this also catches i == -1 because iOldSel started as -1
{
SetFocus(ptc->ci.hwnd);
UpdateWindow(ptc->ci.hwnd);
}
}
TABITEM* Tab_CreateItem(PTC ptc, const TC_ITEM* ptci)
{
TABITEM* 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->DUMMYUNION_MEMBER(abExtra), &ptci->lParam, ptc->cbExtra);
}
}
if (ptci->mask & TCIF_TEXT)
{
if (!Str_Set(&pitem->pszText, ptci->pszText))
{
Tab_FreeItem(ptc, pitem);
return NULL;
}
pitem->etoRtlReading = (ptci->mask & TCIF_RTLREADING) ?ETO_RTLREADING :0;
}
}
return pitem;
}
void Tab_UpdateArrows(PTC ptc, BOOL fSizeChanged)
{
RECT rc;
BOOL fArrow;
Tab_GetClientRect(ptc, &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 {
Tab_CalcPaintMetrics(ptc, NULL);
fArrow = (ptc->cxItem >= rc.right);
}
if (!fArrow)
{
NoArrows:
// Don't need arrows
if (ptc->hwndArrows)
{
ShowWindow(ptc->hwndArrows, SW_HIDE);
// Bug#94368:: This is overkill should only invalidate portion
// that may be impacted, like the last displayed item..
InvalidateRect(ptc->ci.hwnd, NULL, TRUE);
}
if (ptc->iFirstVisible > 0)
{
Tab_OnHScroll(ptc, NULL, SB_THUMBPOSITION, 0);
// Bug#94368:: This is overkill should only invalidate portion
// that may be impacted, like the last displayed item..
InvalidateRect(ptc->ci.hwnd, NULL, TRUE);
}
}
else
{
int cx;
int cy;
int iMaxBtnVal;
int xSum;
TABITEM * pitem;
cy = ptc->cxyArrows;
cx = cy * 2;
ptc->cxTabs = rc.right - cx; // Make buttons square
// See how many tabs we have to remove until the last tab becomes
// fully visible.
xSum = 0; // Number of pixels in removed tabs
for (iMaxBtnVal=0; (ptc->cxTabs + xSum) < ptc->cxItem; iMaxBtnVal++)
{
pitem = Tab_GetItemPtr(ptc, iMaxBtnVal);
if (!pitem)
break;
xSum += pitem->rc.right - pitem->rc.left;
}
// If we removed *all* the tabs, then put the last one back.
// This happens if the last tab is so huge it doesn't fit into
// the requisite space no matter how many tabs you remove.
if (iMaxBtnVal >= Tab_Count(ptc))
{
iMaxBtnVal = Tab_Count(ptc) - 1;
}
// If we don't need to remove any tabs, then we guessed wrong about
// arrows. This can happen if there is exactly one tab that doesn't
// fit in the requisite space. No arrow since there is nothing to
// scroll to!
//
if (iMaxBtnVal <= 0)
{
ptc->cxTabs = rc.right; // Can use whole area to paint
goto NoArrows;
}
if (!ptc->hwndArrows) {
InvalidateRect(ptc->ci.hwnd, NULL, TRUE);
ptc->hwndArrows = CreateUpDownControl
(Tab_Vertical(ptc) ? (HDS_VERT | WS_CHILD) : (UDS_HORZ | WS_CHILD), 0, 0, 0, 0,
ptc->ci.hwnd, 1, HINST_THISDLL, NULL, iMaxBtnVal, 0,
ptc->iFirstVisible);
}
// DebugMsg(DM_TRACE, TEXT("Tabs_UpdateArrows iMax=%d\n\r"), iMaxBtnVal);
if (ptc->hwndArrows)
{
rc.left = rc.right - cx;
rc.top = ptc->cyTabs - cy;
rc.bottom = ptc->cyTabs;
Tab_VDFlipRect(ptc, &rc);
if (fSizeChanged || !IsWindowVisible(ptc->hwndArrows))
SetWindowPos(ptc->hwndArrows, NULL,
rc.left, rc.top, RECTWIDTH(rc), RECTHEIGHT(rc),
SWP_NOACTIVATE | SWP_NOZORDER | SWP_SHOWWINDOW);
// Make sure the range is set
SendMessage(ptc->hwndArrows, UDM_SETRANGE, 0,
MAKELPARAM(iMaxBtnVal, 0));
}
}
}
int Tab_OnInsertItem(PTC ptc, int iItem, const TC_ITEM* ptci)
{
TABITEM* 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);
ti.uFlags = ptci->mask & TCIF_RTLREADING ?TTF_RTLREADING :0;
ti.hwnd = ptc->ci.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)) {
Tab_CalcPaintMetrics(ptc, NULL);
if (i == Tab_Count(ptc) - 1) {
Tab_InvalidateItem(ptc, i, FALSE);
} else {
pitem = Tab_GetItemPtr(ptc, i);
GetClientRect(ptc->ci.hwnd, &rcInval);
if (pitem) {
rcInval.top = pitem->rc.top;
if (ptc->iLastRow == 0) {
rcInval.left = pitem->rc.left;
}
Tab_UpdateArrows(ptc, FALSE);
RedrawWindow(ptc->ci.hwnd, &rcInval, NULL, RDW_INVALIDATE |RDW_NOCHILDREN);
}
}
NotifyWinEvent(EVENT_OBJECT_CREATE, ptc->ci.hwnd, OBJID_CLIENT, i+1);
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.
Tab_InvalidateItem(ptc, ptc->iSel, TRUE);
UpdateWindow(ptc->ci.hwnd);
}
}
RedrawAll(ptc, RDW_INVALIDATE | RDW_NOCHILDREN);
}
NotifyWinEvent(EVENT_OBJECT_CREATE, ptc->ci.hwnd, OBJID_CLIENT, i+1);
return i;
}
// Add/remove/replace item
BOOL Tab_FreeItem(PTC ptc, TABITEM* pitem)
{
if (pitem)
{
Str_Set(&pitem->pszText, NULL);
Free(pitem);
}
return FALSE;
}
void Tab_OnRemoveImage(PTC ptc, int iItem)
{
if (ptc->himl && iItem >= 0) {
int i;
LPTABITEM pitem;
ImageList_Remove(ptc->himl, iItem);
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
Tab_InvalidateItem(ptc, i, FALSE);
}
}
}
}
BOOL Tab_OnDeleteItem(PTC ptc, int i)
{
TABITEM* pitem;
UINT uRedraw;
RECT rcInval;
rcInval.left = -1; // special flag...
if (i >= Tab_Count(ptc))
return FALSE;
NotifyWinEvent(EVENT_OBJECT_DESTROY, ptc->ci.hwnd, OBJID_CLIENT, i+1);
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.
Tab_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;
Tab_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->ci.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
ptc->iLastTopRow = -1;
if(ptc->hwndToolTips) {
TOOLINFO ti;
ti.cbSize = sizeof(ti);
ti.hwnd = ptc->ci.hwnd;
ti.uId = Tab_Count(ptc) ;
SendMessage(ptc->hwndToolTips, TTM_DELTOOL, 0, (LPARAM)(LPTOOLINFO)&ti);
}
if (Tab_RedrawEnabled(ptc)) {
if (rcInval.left == -1) {
RedrawAll(ptc, uRedraw);
} else {
Tab_UpdateArrows(ptc, FALSE);
if (uRedraw)
RedrawWindow(ptc->ci.hwnd, &rcInval, NULL, uRedraw);
}
}
return TRUE;
}
BOOL Tab_OnGetItem(PTC ptc, int iItem, TC_ITEM* ptci)
{
UINT mask = ptci->mask;
const TABITEM* 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_STATE) {
ptci->dwState = pitem->dwState & ptci->dwStateMask;
// REViEW... maybe we should maintain the state in the statemask...
if (ptci->dwStateMask & TCIS_BUTTONPRESSED) {
if ((ptc->iSel == iItem) ||
((ptc->iNewSel == iItem) && Tab_DrawSunken(ptc))) {
ptci->dwState |= TCIS_BUTTONPRESSED;
}
}
}
if ((mask & TCIF_PARAM) && ptc->cbExtra)
hmemcpy(&ptci->lParam, pitem->DUMMYUNION_MEMBER(abExtra), ptc->cbExtra);
if (mask & TCIF_IMAGE)
ptci->iImage = pitem->iImage;
// TC_ITEM does not have room for querying TCIF_RTLREADING !!
// it only allows you to set it.
// This is a hack to return info about tab item reading order
if((mask & TCIF_RTLREADING) && !(mask & TCIF_TEXT))
{
if(pitem->etoRtlReading)
ptci->cchTextMax = 1;
}
return TRUE;
}
void Tab_InvalidateItem(PTC ptc, int iItem, BOOL bErase)
{
if (iItem != -1) {
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);
if (Tab_FlatButtons(ptc)) {
rc.right += 2 * g_cxEdge;
}
Tab_InvalidateRect(ptc, &rc, bErase);
}
}
}
BOOL RedrawAll(PTC ptc, UINT uFlags)
{
if (ptc && Tab_RedrawEnabled(ptc)) {
Tab_UpdateArrows(ptc, FALSE);
RedrawWindow(ptc->ci.hwnd, NULL, NULL, uFlags);
return TRUE;
}
return FALSE;
}
int ChangeSel(PTC ptc, int iNewSel, BOOL bSendNotify,
BOOL bUpdateCursorPos)
{
BOOL bErase;
int iOldSel;
HWND hwnd;
SIZE screenDelta;
RECT rcT;
if (iNewSel == ptc->iSel)
return ptc->iSel;
if (bUpdateCursorPos && Tab_OnGetItemRect(ptc, iNewSel, &rcT))
{
screenDelta.cx = rcT.left;
screenDelta.cy = rcT.top;
}
else
{
screenDelta.cx = screenDelta.cy = 0;
bUpdateCursorPos = FALSE;
}
hwnd = ptc->ci.hwnd;
// make sure in range
if (iNewSel < 0) {
iOldSel = ptc->iSel;
ptc->iSel = -1;
} else if (iNewSel < Tab_Count(ptc)) {
LPTABITEM pitem = Tab_GetItemPtr(ptc, iNewSel);
ASSERT(pitem);
if (!pitem)
return -1;
//
// dont allow a hidden item to get the focus
//
// Bug#94368 this is not 100% correct, focus will only
// work right if hidden items are at the begining
// or end (user will not be able to arrow past it)
//
// currenly this is not a bad restriction
// only desk.cpl uses this flag, and it
// always hides the last item.
//
// if we make this a general flag we will need to
// fix this.
//
if (pitem->dwState & TCIS_HIDDEN)
return -1;
// make sure this is a change that's wanted
if (bSendNotify)
{
// pass NULL for parent because W95 queryied each time and some
// folks reparent
if (SendNotifyEx(NULL, hwnd, TCN_SELCHANGING, NULL, ptc->ci.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.
PutzRowToBottom(ptc, Tab_FastGetItemPtr(ptc, iNewSel)->iRow);
}
} else {
// In single line mode, slide things over to show selection
RECT rcClient;
int xOffset = 0;
int iNewFirstVisible = 0;
GetClientRect(ptc->ci.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;
Tab_DeselectAll(ptc, TRUE);
// repaint opt: we don't need to erase for buttons because their paint covers all.
bErase = (!Tab_DrawButtons(ptc) || Tab_FlatButtons(ptc));
if (bErase)
UpdateWindow(hwnd);
Tab_InvalidateItem(ptc, iOldSel, bErase);
Tab_InvalidateItem(ptc, iNewSel, bErase);
// mfc4.2 relies upon this update window. they do something that
// forces the window invalid bit to be false on the TCN_SELCHANGE and
// thereby making us lose this update window
UpdateWindow(hwnd);
if (bUpdateCursorPos && Tab_OnGetItemRect(ptc, iNewSel, &rcT))
{
POINT ptCursor;
screenDelta.cx = rcT.left - screenDelta.cx;
screenDelta.cy = rcT.top - screenDelta.cy;
GetCursorPos(&ptCursor);
SetCursorPos(ptCursor.x + screenDelta.cx, ptCursor.y + screenDelta.cy);
}
// if they are buttons, we send the message on mouse up
if (bSendNotify)
{
// pass NULL for parent because W95 queryied each time and some
// folks reparent
SendNotifyEx(NULL, hwnd, TCN_SELCHANGE, NULL, ptc->ci.bUnicode);
}
NotifyWinEvent(EVENT_OBJECT_SELECTION, hwnd, OBJID_CLIENT, ptc->iSel+1);
// We might've been destroyed during the notify, but GetFocus
// couldn't possibly return our hwnd in that case, so we're still safe.
if (GetFocus() == hwnd)
NotifyWinEvent(EVENT_OBJECT_FOCUS, hwnd, OBJID_CLIENT, ptc->iSel+1);
return iOldSel;
}
// Tab_CalcTabHeight is theme aware
void Tab_CalcTabHeight(PTC ptc, HDC hdc)
{
BOOL bReleaseDC = FALSE;
if (ptc->cyTabs == RECOMPUTE) {
TEXTMETRIC tm;
int iYExtra;
int cx = 0;
int cy = 0;
ZeroMemory(&tm, sizeof(TEXTMETRIC));
if (!hdc)
{
bReleaseDC = TRUE;
hdc = GetDC(NULL);
SelectObject(hdc, ptc->hfontLabel);
}
// Get metircs on theme font
if (ptc->hTheme)
{
GetThemeTextMetrics(ptc->hTheme, hdc, ptc->iPartId, ptc->iStateId, &tm);
}
else
{
GetTextMetrics(hdc, &tm);
}
if (!ptc->fMinTabSet) {
ptc->cxMinTab = tm.tmAveCharWidth * 6 + ptc->cxPad * 2;
}
ptc->cxyArrows = tm.tmHeight + 2 * g_cyEdge;
if (ptc->himl)
Tab_ImageList_GetIconSize(ptc, &cx, &cy);
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;
}
ptc->tmHeight = tm.tmHeight;
// 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 UpdateToolTipRects(PTC ptc)
{
if(ptc->hwndToolTips) {
int i;
TOOLINFO ti;
int iMax;
LPTABITEM pitem;
ti.cbSize = sizeof(ti);
ti.uFlags = 0;
ti.hwnd = ptc->ci.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;
Tab_VDFlipRect(ptc, &ti.rect);
SendMessage(ptc->hwndToolTips, TTM_NEWTOOLRECT, 0, (LPARAM)((LPTOOLINFO)&ti));
}
}
}
// Tab_GetTextExtentPoint is theme aware
void Tab_GetTextExtentPoint(PTC ptc, HDC hdc, LPTSTR lpszText, int iCount, LPSIZE lpsize)
{
TCHAR szBuffer[128];
if (iCount < ARRAYSIZE(szBuffer) && !Tab_Vertical(ptc)) {
StripAccelerators(lpszText, szBuffer, TRUE);
lpszText = szBuffer;
iCount = lstrlen(lpszText);
}
if (ptc->hTheme)
{
RECT rc = { 0 };
GetThemeTextExtent(ptc->hTheme, hdc, ptc->iPartId, ptc->iStateId, lpszText, iCount, 0, &rc, &rc);
lpsize->cx = RECTWIDTH(rc);
lpsize->cy = RECTHEIGHT(rc);
}
else
{
GetTextExtentPoint(hdc, lpszText, iCount, lpsize);
}
}
void Tab_InvertRows(PTC ptc)
{
int i;
int yTop = g_cyEdge;
int yNew;
int iNewRow;
// we want the first item to be on the bottom.
for (i = Tab_Count(ptc) - 1; i >= 0; i--) {
LPTABITEM pitem = Tab_FastGetItemPtr(ptc, i);
iNewRow = ptc->iLastRow - pitem->iRow;
yNew = yTop + iNewRow * ptc->cyTabs;
pitem->iRow = iNewRow;
OffsetRect(&pitem->rc, 0, yNew - pitem->rc.top);
}
}
// Tab_CalcPaintMetrics is theme aware
void Tab_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 the font hasn't been created yet, let's do it now
if (!ptc->hfontLabel)
Tab_OnSetFont(ptc, NULL, FALSE);
if (!hdc)
{
bReleaseDC = TRUE;
hdc = GetDC(NULL);
SelectObject(hdc, ptc->hfontLabel);
}
Tab_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;
int cy = 0;
int cxBounds = 0;
pitem = Tab_FastGetItemPtr(ptc, i);
if (pitem->pszText) {
Tab_GetTextExtentPoint(ptc, hdc, pitem->pszText, lstrlen(pitem->pszText), &siz);
} else {
siz.cx = 0;
siz.cy = 0;
}
pitem->cxLabel = siz.cx;
// if there's an image, count that too
if (HASIMAGE(ptc, pitem)) {
Tab_ImageList_GetIconSize(ptc, &cxImage, &cy);
cxImage += ptc->cxPad;
siz.cx += cxImage;
}
// If a theme is in use, inflate rect to accomidate full theme background (including margins)
if (ptc->hTheme)
{
RECT rc = { 0, 0, siz.cx, siz.cy }; // Current content size
GetThemeBackgroundExtent(ptc->hTheme, hdc, ptc->iPartId, ptc->iStateId, &rc, &rc);
siz.cx = rc.right - rc.left;
siz.cy = rc.bottom - rc.top;
}
cxBounds = 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;
}
// handle hidden items
if (pitem->dwState & TCIS_HIDDEN) {
siz.cx = 0;
siz.cy = 0;
}
// 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 = ptc->cxPad;
} else {
// in fixed width mode center it
pitem->xImage = (siz.cx - cxBounds)/2;
}
if (pitem->xImage < g_cxEdge)
pitem->xImage = g_cxEdge;
if (Tab_ForceIconLeft(ptc)) {
// Center the text in the space remaining after the icon
// The math here gets kind of crazy so I'm going to draw
// a picture.
//
// xImage
// |
// ->| |<- cxImage
// +-----------------------------------------------+
// | @@@ text text text |
// | @@@ |
// +-----------------------------------------------+
// |<----------------- siz.cx -------------------->|
// |<-magic->|<--cxLabel--->|
// xLabel
//
// Therefore,
//
// remaining space = siz.cx - cxImage - xImage - cxLabel.
// magic = remaining space / 2
// xLabel = xImage + cxImage + magic.
//
int cxImageTotal = pitem->xImage + cxImage;
int cxRemaining = siz.cx - cxImageTotal - pitem->cxLabel;
int cxMagic = cxRemaining / 2;
pitem->xLabel = cxImageTotal + cxMagic;
} else {
// Place the text immediately after the icon
pitem->xLabel = pitem->xImage + cxImage;
}
pitem->yImage = ptc->cyPad + ptc->cyIcon - (g_cyEdge/2);
pitem->yLabel = ptc->cyPad + ptc->cyText - (g_cyEdge/2);
x = pitem->rc.right;
if (Tab_DrawButtons(ptc))
x += Tab_InterButtonGap(ptc);
}
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->ci.hwnd, NULL, TRUE);
}
ptc->iLastRow = (cItems > 0) ? iRow : -1;
if (Tab_MultiLine(ptc)) {
if (!Tab_RaggedRight(ptc) && !Tab_FixedWidth(ptc))
RightJustify(ptc);
if (Tab_ScrollOpposite(ptc)) {
Tab_InvertRows(ptc);
// if we have no selection, then the last row is the last top row
if (ptc->iSel == -1)
ptc->iLastTopRow = ptc->iLastRow;
}
if (!Tab_DrawButtons(ptc) && ptc->iSel != -1) {
ptc->iLastTopRow = -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);
}
}
}
if (bReleaseDC)
{
ReleaseDC(NULL, hdc);
}
UpdateToolTipRects(ptc);
}
}
// Tab_DoCorners is theme aware
void Tab_DoCorners(HDC hdc, LPRECT prc, PTC ptc, BOOL fBottom)
{
RECT rc;
COLORREF iOldColor;
// Ignore for themes
if (!ptc->hTheme)
{
iOldColor = SetBkColor(hdc, g_clrBtnFace);
if (fBottom) {
// lower right;
rc = *prc;
rc.left = rc.right - 2;
rc.top = rc.bottom - 3;
Tab_ExtTextOut(hdc, 0, 0, ETO_OPAQUE, &rc, NULL, 0, NULL, ptc);
rc.bottom--;
Tab_DrawEdge(hdc, &rc, EDGE_RAISED, BF_SOFT | BF_DIAGONAL_ENDBOTTOMLEFT, ptc);
// lower left
rc = *prc;
rc.right = rc.left + 2;
rc.top = rc.bottom - 3;
Tab_ExtTextOut(hdc, 0, 0, ETO_OPAQUE, &rc, NULL, 0, NULL, ptc);
rc.bottom--;
Tab_DrawEdge(hdc, &rc, EDGE_RAISED, BF_SOFT | BF_DIAGONAL_ENDTOPLEFT, ptc);
} else {
// upper right
rc = *prc;
rc.left = rc.right - 2;
rc.bottom = rc.top + 3;
Tab_ExtTextOut(hdc, 0, 0, ETO_OPAQUE, &rc, NULL, 0, NULL, ptc);
rc.top++;
Tab_DrawEdge(hdc, &rc, EDGE_RAISED, BF_SOFT | BF_DIAGONAL_ENDBOTTOMRIGHT, ptc);
// upper left
rc = *prc;
rc.right = rc.left + 2;
rc.bottom = rc.top + 3;
Tab_ExtTextOut(hdc, 0, 0, ETO_OPAQUE, &rc, NULL, 0, NULL, ptc);
rc.top++;
Tab_DrawEdge(hdc, &rc, EDGE_RAISED, BF_SOFT | BF_DIAGONAL_ENDTOPRIGHT, ptc);
}
}
}
void RefreshArrows(PTC ptc, HDC hdc)
{
RECT rcClip, rcArrows, rcIntersect;
if (ptc->hwndArrows && IsWindowVisible(ptc->hwndArrows)) {
GetClipBox(hdc, &rcClip);
GetWindowRect(ptc->hwndArrows, &rcArrows);
MapWindowRect(NULL, ptc->ci.hwnd, &rcArrows);
if (IntersectRect(&rcIntersect, &rcClip, &rcArrows))
RedrawWindow(ptc->hwndArrows, NULL, NULL, RDW_INVALIDATE);
}
}
// Tab_DrawBody is theme aware
void Tab_DrawBody(HDC hdc, PTC ptc, LPTABITEM pitem, LPRECT lprc, int i,
BOOL fTransparent, int dx, int dy)
{
BOOL fSelected = (i == ptc->iSel);
if (i == ptc->iHot)
{
if ( !Tab_FlatButtons(ptc) )
{
SetTextColor(hdc, GetSysColor(COLOR_HOTLIGHT));
}
}
if (Tab_OwnerDraw(ptc))
{
DRAWITEMSTRUCT dis;
WORD wID = (WORD) GetWindowID(ptc->ci.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->ci.hwnd;
dis.hDC = hdc;
dis.rcItem = *lprc;
Tab_VDFlipRect(ptc, &dis.rcItem);
dis.itemData =
(ptc->cbExtra <= sizeof(LPARAM)) ?
(DWORD)pitem->DUMMYUNION_MEMBER(lParam) : (ULONG_PTR)(LPBYTE)&pitem->DUMMYUNION_MEMBER(abExtra);
SendMessage( ptc->ci.hwndParent , WM_DRAWITEM, wID,
(LPARAM)(DRAWITEMSTRUCT *)&dis);
}
else
{
// draw the text and image
// draw even if pszText == NULL to blank it out
int xLabel;
int xIcon;
BOOL fUseDrawText = FALSE;
if (pitem->pszText)
{
// only use draw text if there's any underlining to do.
// Draw text does not support vertical drawing, so only do this in horz mode
if (!Tab_Vertical(ptc) &&
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)
Tab_ExtTextOut(hdc, 0, 0,
ETO_OPAQUE, lprc, NULL, 0, NULL, ptc);
xLabel = pitem->rc.left + pitem->xLabel + dx;
xIcon = pitem->rc.left + pitem->xImage + dx;
if (pitem->pszText)
{
int xVertOffset = 0;
int yOffset = 0;
int oldMode;
COLORREF oldBkColor;
COLORREF oldTextColor;
TEXTMETRIC tm;
GetTextMetrics(hdc, &tm);
if (tm.tmInternalLeading == 0)
yOffset = 1;
if (Tab_Vertical(ptc) && !Tab_Bottom(ptc))
{
// add this offset because we need to draw from the bottom up
xLabel += pitem->cxLabel;
// if we're drawing vertically (on the left)
// the icon needs to go below (flipped coordinate, on the right)
if (HASIMAGE(ptc, pitem))
{
int cxIcon = 0;
int cyIcon = 0;
int xLabelNew;
Tab_ImageList_GetIconSize(ptc, &cxIcon, &cyIcon);
xLabelNew = xIcon + pitem->cxLabel;
xIcon = xLabel - cxIcon;
xLabel = xLabelNew;
}
}
if (pitem->dwState & TCIS_HIGHLIGHTED)
{
oldMode = SetBkMode (hdc, OPAQUE);
oldBkColor = SetBkColor (hdc, g_clrHighlight);
oldTextColor = SetTextColor (hdc, g_clrHighlightText);
}
if (fUseDrawText)
{
DRAWTEXTPARAMS dtp;
int topPrev;
dtp.cbSize = sizeof(DRAWTEXTPARAMS);
dtp.iLeftMargin = xLabel - lprc->left;
dtp.iRightMargin = 0;
// There is no dtp.iTopMargin so we have to adjust the
// rectangle instead. The opaqueing has already been done,
// so isn't not a problem if we "miss" some pixels since
// they've already been erased.
topPrev = lprc->top;
lprc->top = pitem->rc.top + pitem->yLabel + dy + yOffset;
Tab_DrawTextEx(hdc, pitem->pszText, -1, lprc, DT_SINGLELINE | DT_TOP, &dtp, ptc);
// Undo our changes to lprc before anybody (else) notices.
lprc->top = topPrev;
}
else
{
UINT uETOFlags = (ETO_CLIPPED | pitem->etoRtlReading | (ptc->ci.dwExStyle & WS_EX_RTLREADING ? ETO_RTLREADING : 0 ));
if (!fTransparent || (pitem->dwState & TCIS_HIGHLIGHTED))
uETOFlags |= ETO_OPAQUE;
Tab_ExtTextOut(hdc, xLabel, pitem->rc.top + pitem->yLabel + dy + yOffset,
uETOFlags, lprc, pitem->pszText, lstrlen(pitem->pszText),
NULL, ptc);
}
if (pitem->dwState & TCIS_HIGHLIGHTED)
{
SetBkMode(hdc, oldMode);
SetBkColor (hdc, oldBkColor);
SetTextColor (hdc, oldTextColor);
}
}
if (HASIMAGE(ptc, pitem))
{
UINT uFlags = fTransparent ? ILD_TRANSPARENT : ILD_NORMAL;
if (pitem->dwState & TCIS_HIGHLIGHTED)
uFlags |= ILD_BLEND50;
Tab_ImageList_Draw(ptc, pitem->iImage, hdc, xIcon,
pitem->rc.top + pitem->yImage + dy, uFlags);
}
}
if (i == ptc->iHot)
{
if ( !Tab_FlatButtons(ptc) )
{
SetTextColor(hdc, g_clrBtnText);
}
}
}
// Tab_DrawItemFrame is theme aware
void Tab_DrawItemFrame(PTC ptc, HDC hdc, UINT edgeType, LPTABITEM pitem, int i)
{
UINT uWhichEdges;
BOOL fBottom = FALSE;
if (Tab_DrawButtons(ptc))
{
if (Tab_FlatButtons(ptc))
{
if ((edgeType == EDGE_SUNKEN) ||
(edgeType == BDR_RAISEDINNER))
{
uWhichEdges = BF_RECT;
}
else
{
if ((ptc->ci.style & TCS_HOTTRACK) &&
(i == ptc->iHot))
{
edgeType = BDR_RAISEDINNER;
uWhichEdges = BF_RECT;
}
else
{
HPEN hPen, hOldPen;
RECT rcEdge;
// Ignore for themes
if (!ptc->hTheme)
{
CopyRect (&rcEdge, &pitem->rc);
//InflateRect (&rcEdge, -g_cxEdge, -g_cyEdge);
hPen = CreatePen (PS_SOLID, 2 * g_cyEdge, GetSysColor(COLOR_3DFACE));
hOldPen = SelectObject (hdc, hPen);
//
// Remove any border in the x direction
//
MoveToEx (hdc, rcEdge.left, rcEdge.top, NULL);
LineTo (hdc, rcEdge.right, rcEdge.top);
MoveToEx (hdc, rcEdge.left, rcEdge.bottom, NULL);
LineTo (hdc, rcEdge.right, rcEdge.bottom);
SelectObject (hdc, hOldPen);
DeleteObject (hPen);
//
// Remove any border in the y direction
//
hPen = CreatePen (PS_SOLID, 2 * g_cxEdge, GetSysColor(COLOR_3DFACE));
hOldPen = SelectObject (hdc, hPen);
MoveToEx (hdc, rcEdge.left, rcEdge.top, NULL);
LineTo (hdc, rcEdge.left, rcEdge.bottom);
MoveToEx (hdc, rcEdge.right, rcEdge.top, NULL);
LineTo (hdc, rcEdge.right, rcEdge.bottom);
SelectObject (hdc, hOldPen);
DeleteObject (hPen);
}
goto DrawCorners;
}
}
}
else
{
uWhichEdges = BF_RECT | BF_SOFT;
}
}
else
{
uWhichEdges = BF_LEFT | BF_TOP | BF_RIGHT | BF_SOFT;
if (Tab_ScrollOpposite(ptc))
{
ASSERT(ptc->iLastTopRow != -1);
if (Tab_IsItemOnBottom(ptc, pitem))
{
fBottom = TRUE;
uWhichEdges = BF_LEFT | BF_BOTTOM | BF_RIGHT | BF_SOFT;
}
}
}
Tab_DrawEdge(hdc, &pitem->rc, edgeType, uWhichEdges, ptc);
DrawCorners:
if (!Tab_DrawButtons(ptc))
{
Tab_DoCorners(hdc, &pitem->rc, ptc, fBottom);
}
else
{
if (Tab_FlatButtons(ptc) && Tab_FlatSeparators(ptc))
{
RECT rcEdge;
// Ignore in themes
if (!ptc->hTheme)
{
CopyRect (&rcEdge, &pitem->rc);
rcEdge.right += (3 * g_cxEdge);
DrawEdge(hdc, &rcEdge, EDGE_ETCHED, BF_RIGHT);
}
}
}
}
// Tab_Paint is theme aware (iPartId and iStateId are only set here)
void 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->ci.hwnd;
HBRUSH hbrOld = NULL;
// Calling methods that render themes, setup state (TAB/BUTTON)
if (ptc->hTheme)
{
ptc->iPartId = TABP_TABITEM;
ptc->iStateId = TIS_NORMAL;
}
GetClientRect(hwnd, &rcClient);
if (!rcClient.right)
return;
if (hdcIn)
{
hdc = hdcIn;
ps.rcPaint = rcClient;
}
else
{
hdc = BeginPaint(hwnd, &ps);
}
// Fill background if themes are in use, WM_ERASEBKGND will be overridden to do nothing in this case
if (ptc->hTheme)
{
if (CCSendPrint(&ptc->ci, hdc) == FALSE)
{
FillRect(hdc, &rcClient, g_hbrBtnFace);
}
}
// select font first so metrics will have the right size
if (!ptc->hfontLabel)
Tab_OnSetFont(ptc, NULL, FALSE);
SelectObject(hdc, ptc->hfontLabel);
Tab_CalcPaintMetrics(ptc, hdc);
// now put it in our native orientation if it was vertical
Tab_DFlipRect(ptc, &rcClient);
Tab_OnAdjustRect(ptc, FALSE, &rcClient);
InflateRect(&rcClient, g_cxEdge * 2, g_cyEdge * 2);
rcClient.top += g_cyEdge;
// Draw pane (if applicable)
if(!Tab_DrawButtons(ptc))
{
DebugMsg(DM_TRACE, TEXT("Drawing at %d %d %d %d"), rcClient.left, rcClient.top, rcClient.right, rcClient.bottom);
// Calling a method that render themes, setup state (PANE)
if (ptc->hTheme)
{
ptc->iPartId = TABP_PANE;
ptc->iStateId = 0;
}
Tab_DrawEdge(hdc, &rcClient, EDGE_RAISED, BF_SOFT | BF_RECT, ptc);
}
// Draw tab items
// Calling methods that render themes, setup state (TAB/BUTTON)
if (ptc->hTheme)
{
ptc->iPartId = TABP_TABITEM;
ptc->iStateId = TIS_NORMAL;
}
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);
Tab_DVFlipRect(ptc, &rcClipBox);
// draw all but the selected item
for (i = ptc->iFirstVisible; i < cItems; i++)
{
// Calling methods that render themes, setup state (TAB/BUTTON, HOT state)
if (ptc->hTheme)
{
ptc->iStateId = (i == ptc->iHot) ? TIS_HOT : TIS_NORMAL;
}
pitem = Tab_FastGetItemPtr(ptc, i);
if (pitem->dwState & TCIS_HIDDEN)
continue;
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;
rcBody = pitem->rc;
// Draw the edge around each item
if(Tab_DrawButtons(ptc) &&
((ptc->iNewSel == i && Tab_DrawSunken(ptc)) ||
(ptc->iSel == i) ||
(pitem->dwState & TCIS_BUTTONPRESSED)))
{
dx = g_cxEdge/2;
dy = g_cyEdge/2;
if (Tab_FlatButtons(ptc) &&
(ptc->iNewSel == i && Tab_DrawSunken(ptc)))
{
edgeType = BDR_RAISEDINNER;
}
else
{
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)
{
// Calling methods that render themes, setup state (BUTTON, SELECTED state)
if (ptc->hTheme)
{
ptc->iStateId = TIS_SELECTED;
}
fnNewMode = TRANSPARENT;
SetBkMode(hdc, TRANSPARENT);
hbrOld = SelectObject(hdc, g_hbrMonoDither);
SetTextColor(hdc, g_clrBtnHighlight);
Tab_PatBlt(hdc, pitem->rc.left, pitem->rc.top, pitem->rc.right - pitem->rc.left,
pitem->rc.bottom - pitem->rc.top, PATCOPY, ptc);
SetTextColor(hdc, g_clrBtnText);
// Calling methods that render themes, setup state (TAB/BUTTON, HOT state)
if (ptc->hTheme)
{
ptc->iStateId = (i == ptc->iHot) ? TIS_HOT : TIS_NORMAL;
}
}
}
InflateRect(&rcBody, -g_cxEdge, -g_cyEdge);
if (!Tab_DrawButtons(ptc))
{
// move the bottom (or top) by an edge to draw where the tab doesn't have an edge.
// by doing this, we fill the entire area and don't need to do as many inval with erase
if (Tab_IsItemOnBottom(ptc, pitem))
{
rcBody.top -= g_cyEdge;
}
else
{
rcBody.bottom += g_cyEdge;
}
}
// Draw background and content (for all items expect selected tab-style item)
if (ptc->hTheme)
{
RECT rcc;
GetClientRect(ptc->ci.hwnd, &rcc);
// Determine what part is currently being rendered
ptc->iPartId = TABP_TABITEM;
if (pitem->rc.left == g_cxEdge)
ptc->iPartId = TABP_TABITEMLEFTEDGE;
// Ick: Aaron wants "slop" for determining the right tab edge.
if ((pitem->rc.right >= (rcc.right - 2 * g_cxEdge)) || ((i + 1) == cItems))
ptc->iPartId = (ptc->iPartId == TABP_TABITEMLEFTEDGE) ? TABP_TABITEMBOTHEDGE : TABP_TABITEMRIGHTEDGE;
if (pitem->rc.top == g_cyEdge)
{
switch (ptc->iPartId)
{
case TABP_TABITEM:
ptc->iPartId = TABP_TOPTABITEM;
break;
case TABP_TABITEMLEFTEDGE:
ptc->iPartId = TABP_TOPTABITEMLEFTEDGE;
break;
case TABP_TABITEMRIGHTEDGE:
ptc->iPartId = TABP_TOPTABITEMRIGHTEDGE;
break;
case TABP_TABITEMBOTHEDGE:
ptc->iPartId = TABP_TOPTABITEMBOTHEDGE;
break;
}
}
// Reverse order for themes
// Edges
Tab_DrawItemFrame(ptc, hdc, edgeType, pitem, i);
// Content
Tab_DrawBody(hdc, ptc, pitem, &rcBody, i, fnNewMode == TRANSPARENT, dx, dy);
}
else
{
// Content
Tab_DrawBody(hdc, ptc, pitem, &rcBody, i, fnNewMode == TRANSPARENT, dx, dy);
// Edges
Tab_DrawItemFrame(ptc, hdc, edgeType, pitem, i);
}
if (fnNewMode == TRANSPARENT)
{
fnNewMode = OPAQUE;
SelectObject(hdc, hbrOld);
SetBkMode(hdc, OPAQUE);
}
}
}
}
if (!Tab_MultiLine(ptc))
ptc->iLastVisible = i - 1;
else
ptc->iLastVisible = cItems - 1;
// Calling methods that render themes, setup state (TAB, SELECTED state)
if (ptc->hTheme)
{
ptc->iStateId = TIS_SELECTED;
}
// 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))
{
rcBody = pitem->rc;
if (!Tab_DrawButtons(ptc))
{
UINT uWhichEdges;
InflateRect(&rcBody, g_cxEdge, g_cyEdge);
if (IntersectRect(&rcTest, &rcClipBox, &rcBody))
{
// Content
if (ptc->hTheme)
{
RECT rcc;
RECT rcBack = rcBody;
GetClientRect(ptc->ci.hwnd, &rcc);
// Determine what part is currently being rendered
ptc->iPartId = TABP_TABITEM;
if (pitem->rc.left == g_cxEdge)
ptc->iPartId = TABP_TABITEMLEFTEDGE;
if ((pitem->rc.right >= (rcc.right - 2 * g_cxEdge)) || ((i + 1) == cItems))
ptc->iPartId = (ptc->iPartId == TABP_TABITEMLEFTEDGE) ? TABP_TABITEMBOTHEDGE : TABP_TABITEMRIGHTEDGE;
if (pitem->rc.top == g_cyEdge)
{
switch (ptc->iPartId)
{
case TABP_TABITEM:
ptc->iPartId = TABP_TOPTABITEM;
break;
case TABP_TABITEMLEFTEDGE:
ptc->iPartId = TABP_TOPTABITEMLEFTEDGE;
break;
case TABP_TABITEMRIGHTEDGE:
ptc->iPartId = TABP_TOPTABITEMRIGHTEDGE;
break;
case TABP_TABITEMBOTHEDGE:
ptc->iPartId = TABP_TOPTABITEMBOTHEDGE;
break;
}
}
Tab_DrawEdge(hdc, &rcBack, EDGE_RAISED,
BF_LEFT | BF_TOP | BF_RIGHT | BF_SOFT,
ptc);
Tab_DrawBody(hdc, ptc, pitem, &rcBody, ptc->iSel, FALSE, 0,-g_cyEdge);
}
else
{
Tab_DrawBody(hdc, ptc, pitem, &rcBody, ptc->iSel, FALSE, 0,-g_cyEdge);
rcBody.bottom--; //because of button softness
Tab_DrawEdge(hdc, &rcBody, EDGE_RAISED,
BF_LEFT | BF_TOP | BF_RIGHT | BF_SOFT,
ptc);
}
// Edges
Tab_DoCorners(hdc, &rcBody, ptc, FALSE);
// draw that extra bit on the left or right side
// if we're on the edge
rcBody.bottom++;
rcBody.top = rcBody.bottom-1;
if (rcBody.right == rcClient.right)
{
uWhichEdges = BF_SOFT | BF_RIGHT;
}
else if (rcBody.left == rcClient.left)
{
uWhichEdges = BF_SOFT | BF_LEFT;
}
else
{
uWhichEdges = 0;
}
if (!ptc->hTheme)
{
if (uWhichEdges)
Tab_DrawEdge(hdc, &rcBody, EDGE_RAISED, uWhichEdges, ptc);
}
}
}
}
if (GetFocus() == hwnd)
{
if (!pitem && (ptc->iNewSel != -1))
{
pitem = Tab_GetItemPtr(ptc, ptc->iNewSel);
}
if (pitem && !(CCGetUIState(&(ptc->ci))& UISF_HIDEFOCUS))
{
rcBody = pitem->rc;
if (Tab_DrawButtons(ptc))
InflateRect(&rcBody, -g_cxEdge, -g_cyEdge);
else
InflateRect(&rcBody, -(g_cxEdge/2), -(g_cyEdge/2));
Tab_DrawFocusRect(hdc, &rcBody, ptc);
}
}
}
if (hdcIn == NULL)
EndPaint(hwnd, &ps);
}
int 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 Tab_SetCurFocus(PTC ptc, int iStart)
{
if (Tab_DrawButtons(ptc)) {
if ((iStart >= 0) && (iStart < Tab_Count(ptc)) && (ptc->iNewSel != iStart)) {
if (ptc->iNewSel != -1)
Tab_InvalidateItem(ptc, ptc->iNewSel, FALSE);
Tab_InvalidateItem(ptc, iStart, FALSE);
ptc->iNewSel = iStart;
ptc->flags |= TCF_DRAWSUNKEN;
if (!Tab_MultiLine(ptc)) {
// scroll into view if necessary
RECT rc;
do {
Tab_OnGetItemRect(ptc, iStart, &rc);
if (rc.right > ptc->cxTabs) {
Tab_OnHScroll(ptc, NULL, SB_THUMBPOSITION, ptc->iFirstVisible + 1);
} else if (rc.left < 0) {
Tab_OnHScroll(ptc, NULL, SB_THUMBPOSITION, iStart);
break;
} else {
break;
}
} while (1);
}
CCSendNotify(&ptc->ci, TCN_FOCUSCHANGE, NULL);
NotifyWinEvent(EVENT_OBJECT_FOCUS, ptc->ci.hwnd, OBJID_CLIENT,
iStart+1);
}
} else
{
int iOld = ptc->iSel;
ChangeSel(ptc, iStart, TRUE, FALSE);
if ((iOld != ptc->iSel) && (GetFocus() == ptc->ci.hwnd))
NotifyWinEvent(EVENT_OBJECT_FOCUS, ptc->ci.hwnd, OBJID_CLIENT,
ptc->iSel+1);
}
}
void Tab_OnKeyDown(PTC ptc, UINT vk, BOOL fDown, int cRepeat, UINT flags)
{
int iStart;
TC_KEYDOWN nm;
// Notify
nm.wVKey = (WORD) vk;
nm.flags = flags;
// pass NULL for parent because W95 queryied each time and some
// folks reparent
SendNotifyEx(NULL, ptc->ci.hwnd, TCN_KEYDOWN, &nm.hdr, ptc->ci.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;
}
vk = RTLSwapLeftRightArrows(&ptc->ci, vk);
if (Tab_Vertical(ptc)) {
// remap arrow keys if we're in vertial mode
switch(vk) {
case VK_LEFT:
vk = VK_DOWN;
break;
case VK_RIGHT:
vk = VK_UP;
break;
case VK_DOWN:
vk = VK_RIGHT;
break;
case VK_UP:
vk = VK_LEFT;
break;
}
}
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, FALSE);
ptc->iNewSel = -1;
ptc->flags &= ~TCF_DRAWSUNKEN;
//notify of navigation key usage
CCNotifyNavigationKeyUsage(&(ptc->ci), UISF_HIDEFOCUS | UISF_HIDEACCEL);
return;
default:
return;
}
if (iStart < 0)
iStart = 0;
Tab_SetCurFocus(ptc, iStart);
//notify of navigation key usage
CCNotifyNavigationKeyUsage(&(ptc->ci), UISF_HIDEFOCUS | UISF_HIDEACCEL);
}
void Tab_Size(PTC ptc)
{
ptc->cxItem = RECOMPUTE;
Tab_UpdateArrows(ptc, TRUE);
}
BOOL Tab_OnGetItemRect(PTC ptc, int iItem, LPRECT lprc)
{
LPTABITEM pitem = Tab_GetItemPtr(ptc, iItem);
BOOL fRet = FALSE;
if (lprc)
{
Tab_CalcPaintMetrics(ptc, NULL);
if (pitem)
{
// Make sure all the item rects are up-to-date
*lprc = pitem->rc;
fRet = TRUE;
}
else
{
lprc->top = 0;
lprc->bottom = ptc->cyTabs;
lprc->right = 0;
lprc->left = 0;
}
Tab_VDFlipRect(ptc, lprc);
}
return fRet;
}
void Tab_StyleChanged(PTC ptc, UINT gwl, LPSTYLESTRUCT pinfo)
{
#define STYLE_MASK (TCS_BUTTONS | TCS_VERTICAL | TCS_MULTILINE | TCS_RAGGEDRIGHT | TCS_FIXEDWIDTH | TCS_FORCELABELLEFT | TCS_FORCEICONLEFT | TCS_BOTTOM | TCS_RIGHT | TCS_FLATBUTTONS | TCS_OWNERDRAWFIXED | TCS_HOTTRACK)
if (ptc && (gwl == GWL_STYLE)) {
DWORD dwChanged = (ptc->ci.style & STYLE_MASK) ^ (pinfo->styleNew & STYLE_MASK);
// special case. this is "Insider Trading" app (by papyrus, now kanisa). they set the 3 on the low byte in ie3 comctl32 when it
// had no meaning anyways. so we bail on that.
if (ptc->ci.style == 0x50004000 && pinfo->styleNew == 0x54004003)
return;
if (dwChanged) {
ptc->ci.style = (ptc->ci.style & ~STYLE_MASK) | (pinfo->styleNew & STYLE_MASK);
// make sure we don't have invalid bits set
if (!Tab_FixedWidth(ptc)) {
ptc->ci.style &= ~(TCS_FORCEICONLEFT | TCS_FORCELABELLEFT);
}
ptc->cxItem = RECOMPUTE;
ptc->cyTabs = RECOMPUTE;
//if the left/right orientation changed
// we need to re-create the font (if we own it)
// becaus the text orientation needs to flip by 180
if ((dwChanged & TCS_VERTICAL) ||
((dwChanged & TCS_RIGHT) && Tab_Vertical(ptc))) {
if (!(ptc->flags & TCF_FONTSET))
Tab_OnSetFont(ptc, NULL, FALSE);
}
if (Tab_RedrawEnabled(ptc))
Tab_UpdateArrows(ptc, TRUE);
RedrawAll(ptc, RDW_ERASE | RDW_INVALIDATE);
}
#define FOCUS_MASK (TCS_FOCUSONBUTTONDOWN | TCS_FOCUSNEVER)
if ( (ptc->ci.style & FOCUS_MASK) ^ (pinfo->styleNew & FOCUS_MASK)) {
ptc->ci.style = (ptc->ci.style & ~FOCUS_MASK) | (pinfo->styleNew & FOCUS_MASK);
}
}
if (gwl == GWL_EXSTYLE)
{
ptc->ci.dwExStyle &= ~WS_EX_RTLREADING;
ptc->ci.dwExStyle |= (pinfo->styleNew & WS_EX_RTLREADING);
}
}
DWORD Tab_ExtendedStyleChange(PTC ptc, DWORD dwNewStyle, DWORD dwExMask)
{
DWORD dwOldStyle = ptc->dwStyleEx;
if (ptc->hDragProxy)
{
DestroyDragProxy(ptc->hDragProxy);
ptc->hDragProxy = NULL;
}
if (dwExMask)
dwNewStyle = (ptc->dwStyleEx & ~ dwExMask) | (dwNewStyle & dwExMask);
ptc->dwStyleEx = dwNewStyle;
// do any invalidation or whatever is needed here.
if ((dwOldStyle ^ dwNewStyle) & TCS_EX_FLATSEPARATORS)
{
InvalidateRect (ptc->ci.hwnd, NULL, TRUE);
}
if (ptc->dwStyleEx & TCS_EX_REGISTERDROP)
ptc->hDragProxy = CreateDragProxy(ptc->ci.hwnd, TabDragCallback, TRUE);
return dwOldStyle;
}
//
// APPCOMPAT Assumes that the tab control is on top. Returns bogus values for
// left, bottom or right. For app compat reasons, we can't change this
// buggy behavior. (Apps might be relying on the wrong values and fixing them
// up, so if we fix the function, they end up trying to "fix" something that
// wasn't broken, thereby breaking it.) But we might want to add
// TCM_ADJUSTRECT2 that can handle the left/right/bottom cases.
//
void Tab_OnAdjustRect(PTC ptc, BOOL fGrow, LPRECT prc)
{
int idy;
Tab_CalcPaintMetrics(ptc, NULL);
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));
}
if (fGrow) {
// calc a larger rect from the smaller
prc->top -= idy;
InflateRect(prc, g_cxEdge * 2, g_cyEdge * 2);
} else {
prc->top += idy;
// given the bounds, calc the "client" area
InflateRect(prc, -g_cxEdge * 2, -g_cyEdge * 2);
}
if (Tab_ScrollOpposite(ptc)) {
// the sizes are the same, it's just offset wrong vertically
idy = ptc->cyTabs * (ptc->iLastRow - ptc->iLastTopRow);
ASSERT(ptc->iLastTopRow != -1);
if (!fGrow) {
idy *= -1;
}
DebugMsg(DM_TRACE, TEXT("Tab_AdjustRect %d %d %d %d"), prc->left, prc->top, prc->right, prc->bottom);
OffsetRect(prc, 0, idy);
DebugMsg(DM_TRACE, TEXT("Tab_AdjustRect %d %d %d %d"), prc->left, prc->top, prc->right, prc->bottom);
}
}
// Tab_WndProc is theme aware
LRESULT CALLBACK Tab_WndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
PTC ptc = (PTC)GetWindowInt((hwnd), 0);
if (ptc)
{
if ((uMsg >= WM_MOUSEFIRST) && (uMsg <= WM_MOUSELAST) &&
Tab_HotTrack(ptc) && !ptc->fTrackSet)
{
TRACKMOUSEEVENT tme;
ptc->fTrackSet = TRUE;
tme.cbSize = sizeof(tme);
tme.hwndTrack = ptc->ci.hwnd;
tme.dwFlags = TME_LEAVE;
TrackMouseEvent(&tme);
}
else
{
// Check for theme changes
if (uMsg == WM_THEMECHANGED)
{
if (ptc->hTheme)
CloseThemeData(ptc->hTheme);
ptc->hTheme = (!Tab_OwnerDraw(ptc) && !Tab_DrawButtons(ptc)) ? OpenThemeData(ptc->ci.hwnd, L"Tab") : NULL;
// Active hot state if themes are in use
if (ptc->hTheme)
ptc->ci.style |= TCS_HOTTRACK;
else
ptc->ci.style &= ~TCS_HOTTRACK;
// Recompute metrics since font may have changed
ptc->cxItem = RECOMPUTE;
ptc->cyTabs = RECOMPUTE;
InvalidateRect(ptc->ci.hwnd, NULL, TRUE);
}
}
} else if (uMsg != WM_CREATE)
goto DoDefault;
switch (uMsg) {
HANDLE_MSG(ptc, WM_HSCROLL, Tab_OnHScroll);
case WM_MOUSELEAVE:
Tab_InvalidateItem(ptc, ptc->iHot, FALSE);
ptc->iHot = -1;
ptc->fTrackSet = FALSE;
break;
case WM_CREATE:
InitGlobalColors();
ptc = (PTC)NearAlloc(sizeof(TC));
if (!ptc)
return -1; // fail the window create
SetWindowPtr(hwnd, 0, ptc);
CIInitialize(&ptc->ci, hwnd, (LPCREATESTRUCT)lParam);
if (!Tab_OnCreate(ptc))
return -1;
break;
case WM_DESTROY:
Tab_OnDestroy(ptc);
break;
case WM_SIZE:
Tab_Size(ptc);
break;
case WM_SYSCOLORCHANGE:
InitGlobalColors();
if (!(ptc->flags & TCF_FONTSET))
Tab_OnSetFont(ptc, NULL, FALSE);
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:
// Background fill will happen in Tab_Paint if themes are active
if (ptc->hTheme)
return 1;
goto DoDefault;
case WM_PRINTCLIENT:
case WM_PAINT:
Tab_Paint(ptc, (HDC)wParam);
break;
case WM_STYLECHANGED:
Tab_StyleChanged(ptc, (UINT) wParam, (LPSTYLESTRUCT)lParam);
break;
case WM_MOUSEMOVE:
RelayToToolTips(ptc->hwndToolTips, hwnd, uMsg, wParam, lParam);
Tab_OnMouseMove(ptc, wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
break;
case WM_LBUTTONDOWN:
RelayToToolTips(ptc->hwndToolTips, hwnd, uMsg, wParam, lParam);
Tab_OnLButtonDown(ptc, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), wParam);
break;
case WM_LBUTTONDBLCLK:
if (Tab_DrawButtons(ptc)) {
MSG msg;
// on the double click, grab capture until we get the lbutton up and
// eat it.
SetCapture(ptc->ci.hwnd);
while (GetCapture() == ptc->ci.hwnd &&
!PeekMessage(&msg, ptc->ci.hwnd, WM_LBUTTONUP, WM_LBUTTONUP, PM_REMOVE))
{
}
CCReleaseCapture(&ptc->ci);
}
break;
case WM_MBUTTONDOWN:
SetFocus(hwnd);
break;
case WM_RBUTTONDOWN:
Tab_OnRButtonDown(ptc, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), wParam);
break;
case WM_RBUTTONUP:
// pass NULL for parent because W95 queryied each time and some
// folks reparent
if (!SendNotifyEx(NULL, ptc->ci.hwnd, NM_RCLICK, NULL, ptc->ci.bUnicode))
goto DoDefault;
break;
case WM_CAPTURECHANGED:
lParam = -1L; // fall through to LBUTTONUP
case WM_LBUTTONUP:
if (uMsg == WM_LBUTTONUP) {
RelayToToolTips(ptc->hwndToolTips, hwnd, uMsg, wParam, lParam);
}
Tab_OnButtonUp(ptc, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), (uMsg == WM_LBUTTONUP));
break;
case WM_SYSKEYDOWN:
//notify of navigation key usage
if (HIWORD(lParam) & KF_ALTDOWN)
CCNotifyNavigationKeyUsage(&(ptc->ci), UISF_HIDEFOCUS | UISF_HIDEACCEL);
goto DoDefault;
case WM_KEYDOWN:
HANDLE_WM_KEYDOWN(ptc, wParam, lParam, Tab_OnKeyDown);
break;
case WM_KILLFOCUS:
if (ptc->iNewSel != -1) {
int iOldSel = ptc->iNewSel;
ptc->iNewSel = -1;
Tab_InvalidateItem(ptc, iOldSel, FALSE);
ptc->flags &= ~TCF_DRAWSUNKEN;
}
// fall through
case WM_SETFOCUS:
Tab_InvalidateItem(ptc, ptc->iSel, Tab_OwnerDraw(ptc));
if ((uMsg == WM_SETFOCUS) && (ptc->iSel != -1))
NotifyWinEvent(EVENT_OBJECT_FOCUS, hwnd, OBJID_CLIENT, ptc->iSel+1);
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)ptc->hfontLabel;
case WM_NOTIFYFORMAT:
return CIHandleNotifyFormat(&ptc->ci, lParam);
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->ci.hwnd), (HWND) -1,
lpNmhdr->code, lpNmhdr, ptc->ci.bUnicode);
}
break;
case WM_UPDATEUISTATE:
if (CCOnUIState(&(ptc->ci), WM_UPDATEUISTATE, wParam, lParam))
{
if (UISF_HIDEFOCUS == HIWORD(wParam))
{
// We erase only if we are removing the focus rect or the accel
Tab_InvalidateItem(ptc, ptc->iSel,
(UIS_CLEAR == LOWORD(wParam)) ? TRUE : FALSE);
}
else
{
if ((UISF_HIDEFOCUS | UISF_HIDEACCEL) & HIWORD(wParam))
{
int i;
for (i = ptc->iFirstVisible; i <= ptc->iLastVisible; ++i)
{
Tab_InvalidateItem(ptc, i,
(UIS_CLEAR == LOWORD(wParam)) ? TRUE : FALSE);
}
}
}
}
goto DoDefault;
case TCM_SETITEMEXTRA:
return (LRESULT)Tab_OnSetItemExtra(ptc, (int)wParam);
case TCM_GETITEMCOUNT:
return (LRESULT)Tab_Count(ptc);
case TCM_SETITEMA:
{
LRESULT lResult;
TC_ITEMW * pItemW;
if (!lParam)
{
return FALSE;
}
pItemW = ThunkItemAtoW(ptc, (TC_ITEMA*)lParam);
if (!pItemW)
{
return FALSE;
}
lResult = (LRESULT)Tab_OnSetItem(ptc, (int)wParam, pItemW);
FreeItemW(pItemW);
return lResult;
}
case TCM_SETITEM:
if (!lParam)
{
return FALSE;
}
return (LRESULT)Tab_OnSetItem(ptc, (int)wParam, (const TC_ITEM*)lParam);
case TCM_GETITEMA:
{
LRESULT lResult;
TC_ITEMW * pItemW;
LPWSTR pszTextW = NULL;
TC_ITEMA * pItemA = (TC_ITEMA*)lParam;
if (!ptc || !pItemA)
{
return FALSE;
}
pItemW = GlobalAlloc (GPTR, sizeof(TC_ITEMW) + ptc->cbExtra);
if (!pItemW)
{
return FALSE;
}
if (pItemA->mask & TCIF_TEXT)
{
pszTextW = GlobalAlloc (GPTR, pItemA->cchTextMax * sizeof (TCHAR));
if (!pszTextW)
{
GlobalFree (pItemW);
return FALSE;
}
pItemW->pszText = pszTextW;
}
pItemW->mask = pItemA->mask;
pItemW->cchTextMax = pItemA->cchTextMax;
pItemW->dwStateMask = pItemA->dwStateMask;
lResult = (LRESULT)Tab_OnGetItem(ptc, (int)wParam, pItemW);
if (!ThunkItemWtoA (ptc, pItemW, pItemA))
{
lResult = (LRESULT)FALSE;
}
if (pszTextW)
{
GlobalFree (pszTextW);
}
GlobalFree (pItemW);
return lResult;
}
case TCM_GETITEM:
if (!ptc || !lParam)
{
return FALSE;
}
return (LRESULT)Tab_OnGetItem(ptc, (int)wParam, (TC_ITEM*)lParam);
case TCM_INSERTITEMA:
{
LRESULT lResult;
TC_ITEMW * pItemW;
if (!lParam)
{
return FALSE;
}
pItemW = ThunkItemAtoW(ptc, (TC_ITEMA*)lParam);
if (!pItemW)
{
return FALSE;
}
lResult = (LRESULT)Tab_OnInsertItem(ptc, (int)wParam, pItemW);
FreeItemW(pItemW);
return lResult;
}
case TCM_INSERTITEM:
if (!lParam)
{
return FALSE;
}
return (LRESULT)Tab_OnInsertItem(ptc, (int)wParam, (const TC_ITEM*)lParam);
case TCM_DELETEITEM:
return (LRESULT)Tab_OnDeleteItem(ptc, (int)wParam);
case TCM_DELETEALLITEMS:
return (LRESULT)Tab_OnDeleteAllItems(ptc);
case TCM_SETCURFOCUS:
Tab_SetCurFocus(ptc, (int) wParam);
break;
case TCM_GETCURFOCUS:
if (ptc->iNewSel != -1)
return ptc->iNewSel;
// else fall through
case TCM_GETCURSEL:
return ptc->iSel;
case TCM_SETCURSEL:
return (LRESULT)ChangeSel(ptc, (int)wParam, FALSE, FALSE);
case TCM_GETTOOLTIPS:
return (LRESULT)ptc->hwndToolTips;
case TCM_SETTOOLTIPS:
ptc->hwndToolTips = (HWND)wParam;
break;
case TCM_ADJUSTRECT:
if (lParam)
{
RECT* prc = (RECT *)lParam;
Tab_DVFlipRect(ptc, prc);
Tab_OnAdjustRect(ptc, BOOLFROMPTR( wParam), (LPRECT)lParam);
Tab_VDFlipRect(ptc, prc);
}
else
return -1;
break;
case TCM_GETITEMRECT:
return Tab_OnGetItemRect(ptc, (int)wParam, (LPRECT)lParam);
case TCM_SETIMAGELIST:
{
HIMAGELIST himlOld = ptc->himl;
ptc->himl = (HIMAGELIST)lParam;
ptc->cxItem = ptc->cyTabs = RECOMPUTE;
RedrawAll(ptc, RDW_INVALIDATE | RDW_ERASE);
return (LRESULT)himlOld;
}
case TCM_GETIMAGELIST:
return (LRESULT)ptc->himl;
case TCM_REMOVEIMAGE:
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);
if (ptc->himl)
{
int cx, cy;
Tab_ImageList_GetIconSize(ptc, &cx, &cy);
if (iNewWidth < (cx + (2*g_cxEdge)))
iNewWidth = cx + (2*g_cxEdge);
}
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:
ptc->cxPad = GET_X_LPARAM(lParam);
ptc->cyPad = GET_Y_LPARAM(lParam);
break;
case TCM_GETROWCOUNT:
Tab_CalcPaintMetrics(ptc, NULL);
return (LRESULT)ptc->iLastRow + 1;
case TCM_SETMINTABWIDTH:
{
int iOld = ptc->cxMinTab;
if ((int)lParam >= 0)
{
ptc->cxMinTab = (int)lParam;
ptc->fMinTabSet = TRUE;
}
else
{
ptc->fMinTabSet = FALSE;
}
ptc->cyTabs = RECOMPUTE;
ptc->cxItem = RECOMPUTE;
InvalidateRect(ptc->ci.hwnd, NULL, TRUE);
return iOld;
}
case TCM_DESELECTALL:
Tab_DeselectAll(ptc, BOOLFROMPTR( wParam));
break;
case TCM_SETEXTENDEDSTYLE:
return Tab_ExtendedStyleChange(ptc, (DWORD) lParam, (DWORD) wParam);
case TCM_GETEXTENDEDSTYLE:
return ptc->dwStyleEx;
case TCM_HITTEST:
{
LPTC_HITTESTINFO lphitinfo = (LPTC_HITTESTINFO)lParam;
return Tab_OnHitTest(ptc, lphitinfo->pt.x, lphitinfo->pt.y, &lphitinfo->flags);
}
case TCM_HIGHLIGHTITEM:
{
LPTABITEM pitem = Tab_GetItemPtr(ptc, (int)wParam);
if (pitem)
{
BOOL fHighlight = LOWORD(lParam) != 0;
// Don't do anything if state hasn't changed.
if (fHighlight == ((pitem->dwState & TCIS_HIGHLIGHTED) != 0))
break;
if (fHighlight)
pitem->dwState |= TCIS_HIGHLIGHTED;
else
pitem->dwState &= ~TCIS_HIGHLIGHTED;
Tab_InvalidateItem(ptc, (int)wParam, TRUE);
return TRUE;
}
break;
}
case WM_NCHITTEST:
{
POINT pt;
pt.x = GET_X_LPARAM(lParam);
pt.y = GET_Y_LPARAM(lParam);
ScreenToClient(ptc->ci.hwnd, &pt);
if (Tab_OnHitTest(ptc, pt.x, pt.y, NULL) == -1)
return(HTTRANSPARENT);
else {
goto DoDefault;
}
}
case WM_GETOBJECT:
if( lParam == OBJID_QUERYCLASSNAMEIDX )
return MSAA_CLASSNAMEIDX_TAB;
break;
default:
{
LRESULT lres;
if (CCWndProc(&ptc->ci, uMsg, wParam, lParam, &lres))
return lres;
}
DoDefault:
return DefWindowProc(hwnd, uMsg, wParam, lParam);
}
return 0L;
}
//
// 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->dwState = pItemA->dwState;
pItemW->dwStateMask = pItemA->dwStateMask;
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)
{
INT iResult;
if (!pItemA) {
return FALSE;
}
pItemA->mask = pItemW->mask;
pItemA->dwState = pItemW->dwState;
pItemA->dwStateMask = pItemW->dwStateMask;
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;
}