able/windows-nt
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity
windows-nt/Source/XPSP1/NT/shell/comctl32/v5/rebar.c
CryptoAlgo Inc b3cac27891 Add source files
2020-09-26 16:20:57 +08:00

4640 lines
129 KiB
C
Raw Blame History

#include "ctlspriv.h"
#include "rebar.h"
#include "image.h"
#ifdef DEBUG
int ExprASSERT(int e);
BOOL RBCheckRangePtr(PRB prb, PRBB prbb);
BOOL RBCheckRangeInd(PRB prb, INT_PTR i);
#else
#define ExprASSERT(e) 0
#define RBCheckRangePtr(prb, prbb) 0
#define RBCheckRangeInd(prb, i) 0
#endif
#define RBBUSECHEVRON(prb, prbb) ((prbb->fStyle & RBBS_USECHEVRON) && \
!((prbb)->fStyle & RBBS_FIXEDSIZE) && \
((UINT)(prbb)->cxIdeal > (prbb)->cxMinChild))
#define RBSHOWTEXT(prbb) (!(prbb->fStyle&RBBS_HIDETITLE) && prbb->lpText && prbb->lpText[0])
#define CX_CHEVRON (5 * g_cxEdge + 2)
#define CX_OFFSET (2 * g_cxEdge)
#define RB_GRABWIDTH 5
#define RB_ISVERT(prb) ((prb)->ci.style & CCS_VERT)
#define RB_ISVERTICALGRIPPER(prb) (RB_ISVERT(prb) && (prb)->ci.style & RBS_VERTICALGRIPPER)
#define RB_GETLASTBAND(prb) ((prb)->cBands ? RBGETBAND(prb, (prb)->cBands -1) : NULL)
#define RBISBANDSTARTOFROW(prbb) (!((prbb)->x) && !((prbb)->fStyle & RBBS_HIDDEN))
#define RBGETBAND(prb, i) (ExprASSERT(RBCheckRangeInd(prb, i)), &(prb)->rbbList[i])
#define RBISSTARTOFROW(prb, i) (RBISBANDSTARTOFROW( RBGETBAND((prb), (i))))
#define RBGETFIRSTBAND(prb) (RBGETBAND(prb, 0))
#define RBBANDTOINDEX(prb, prbb) ((int)((prbb) - (prb)->rbbList))
#define RBBHEADERWIDTH(prbb) ((prbb)->cxMin - ((prbb)->cxMinChild + ((RBBUSECHEVRON(prb, prbb) ? CX_CHEVRON : 0))))
#define RBISBANDVISIBLE(prbb) (!((prbb)->fStyle & RBBS_HIDDEN))
#define RBROWATMINHEIGHT(prb, pprbb) (!RBGetRowHeightExtra(prb, pprbb, NULL))
#define RBGETBARHEIGHT(prb) (((prb)->cBands && !(prb)->cy) ? RBRecalc(prb) : (prb)->cy)
#define RB_ISVALIDINDEX(prb, i) ((UINT)i < (prb)->cBands)
#define RB_ISVALIDBAND(prb, prbb) RB_ISVALIDINDEX(prb, RBBANDTOINDEX(prb, prbb))
#define RB_ANIMSTEPS 10
#define RB_ANIMSTEPTIME 5
void FlipRect(LPRECT prc);
void RBPassBreak(PRB prb, PRBB prbbSrc, PRBB prbbDest);
int RBHitTest(PRB prb, LPRBHITTESTINFO prbht);
BOOL RBSizeBandsToRect(PRB prb, LPRECT prc);
BOOL RBShouldDrawGripper(PRB prb, PRBB prbb);
void RBAutoSize(PRB prb);
void RBSizeBandsToRowHeight(PRB prb);
void RBSizeBandToRowHeight(PRB prb, int i, UINT uRowHeight);
BOOL RBSetBandPos(PRB prb, PRBB prbb, int xLeft);
BOOL RBSetBandPosAnim(PRB prb, PRBB prbb, int xLeft);
PRBB RBGetFirstInRow(PRB prb, PRBB prbbRow);
PRBB RBGetLastInRow(PRB prb, PRBB prbbRow, BOOL fStopAtFixed);
PRBB RBGetPrev(PRB prb, PRBB prbb, UINT uStyleSkip);
PRBB RBGetNext(PRB prb, PRBB prbb, UINT uStyleSkip);
PRBB RBEnumBand(PRB prb, int i, UINT uStyleSkip);
int RBCountBands(PRB prb, UINT uStyleSkip);
BOOL RBMaximizeBand(PRB prb, UINT uBand, BOOL fIdeal, BOOL fAnim);
PRBB RBGetNextVisible(PRB prb, PRBB prbb);
PRBB RBGetPrevVisible(PRB prb, PRBB prbb);
PRBB RBBNextVisible(PRB prb, PRBB prbb);
BOOL RBShowBand(PRB prb, UINT uBand, BOOL fShow);
void RBGetClientRect(PRB prb, LPRECT prc);
int RBGetRowHeightExtra(PRB prb, PRBB *pprbb, PRBB prbbSkip);
void RBOnBeginDrag(PRB prb, UINT uBand);
#define RBBANDWIDTH(prb, prbb) _RBBandWidth(prb, prbb->cx)
#ifdef DEBUG
#undef RBBANDWIDTH
#define RBBANDWIDTH(prb, prbb) \
((prbb->fStyle & RBBS_HIDDEN) ? (ExprASSERT(0), -1) : \
_RBBandWidth(prb, prbb->cx))
#endif
#define RBBANDMINWIDTH(prb, prbb) _RBBandWidth(prb, prbb->cxMin)
#ifdef DEBUG
#undef RBBANDMINWIDTH
#define RBBANDMINWIDTH(prb, prbb) \
((prbb->fStyle & RBBS_HIDDEN) ? (ExprASSERT(0), -1) : \
_RBBandWidth(prb, prbb->cxMin))
#endif
//*** RBC_* -- commands
#define RBC_QUERY 0
#define RBC_SET 1
#ifdef DEBUG
int ExprASSERT(int e)
{
ASSERT(e);
return 0;
}
#endif
HBRUSH g_hDPFRBrush = NULL;
__inline COLORREF RB_GetBkColor(PRB prb)
{
if (prb->clrBk == CLR_DEFAULT)
return g_clrBtnFace;
else
return prb->clrBk;
}
__inline COLORREF RB_GetTextColor(PRB prb)
{
if (prb->clrText == CLR_DEFAULT)
return g_clrBtnText;
else
return prb->clrText;
}
__inline COLORREF RBB_GetBkColor(PRB prb, PRBB prbb)
{
switch(prbb->clrBack)
{
case CLR_NONE:
// CLR_NONE means "use our dad's color"
return RB_GetBkColor(prb);
case CLR_DEFAULT:
return g_clrBtnFace;
default:
return prbb->clrBack;
}
}
__inline COLORREF RBB_GetTextColor(PRB prb, PRBB prbb)
{
switch (prbb->clrFore)
{
case CLR_NONE:
// CLR_NONE means "use our dad's color"
return RB_GetTextColor(prb);
case CLR_DEFAULT:
return g_clrBtnText;
default:
return prbb->clrFore;
}
}
//
// Our use of CLR_DEFAULT for the band background colors is new for
// version 5.01. Since we don't want to confuse apps by returning
// CLR_DEFAULT when they used to see a real colorref, we convert it
// before returning it to them. If the background color is CLR_NONE,
// though, we need to return it without conversion (like version 4 did).
// The *_External functions handle these cases.
//
__inline COLORREF RBB_GetTextColor_External(PRB prb, PRBB prbb)
{
if (prbb->clrFore == CLR_NONE)
return CLR_NONE;
else
return RBB_GetTextColor(prb, prbb);
}
__inline COLORREF RBB_GetBkColor_External(PRB prb, PRBB prbb)
{
if (prbb->clrBack == CLR_NONE)
return CLR_NONE;
else
return RBB_GetBkColor(prb, prbb);
}
///
//
// Implement MapWindowPoints as if the hwndFrom and hwndTo aren't
// mirrored. This is used when any of the windows (hwndFrom or hwndTo)
// are mirrored. See below. [samera]
//
int TrueMapWindowPoints(HWND hwndFrom, HWND hwndTo, LPPOINT lppt, UINT cPoints)
{
int dx, dy;
RECT rcFrom={0,0,0,0}, rcTo={0,0,0,0};
if (hwndFrom) {
GetClientRect(hwndFrom, &rcFrom);
MapWindowPoints(hwndFrom, NULL, (LPPOINT)&rcFrom.left, 2);
}
if (hwndTo) {
GetClientRect(hwndTo, &rcTo);
MapWindowPoints(hwndTo, NULL, (LPPOINT)&rcTo.left, 2);
}
dx = rcFrom.left - rcTo.left;
dy = rcFrom.top - rcTo.top;
/*
* Map the points
*/
while (cPoints--) {
lppt->x += dx;
lppt->y += dy;
++lppt;
}
return MAKELONG(dx, dy);
}
///
//
// Map a rect to parent should be based on the visual right edge
// for calculating the client coordinates for a RTL mirrored windows.
// This routine should only be used when calculating client
// coordinates in a RTL mirrored window. [samera]
//
BOOL MapRectInRTLMirroredWindow( LPRECT lprc, HWND hwnd)
{
int iWidth = lprc->right - lprc->left;
int iHeight = lprc->bottom- lprc->top;
RECT rc={0,0,0,0};
if (hwnd) {
GetClientRect(hwnd, &rc);
MapWindowPoints(hwnd, NULL, (LPPOINT)&rc.left, 2);
}
lprc->left = rc.right - lprc->right;
lprc->top = lprc->top-rc.top;
lprc->bottom = lprc->top + iHeight;
lprc->right = lprc->left + iWidth;
return TRUE;
}
int _RBBandWidth(PRB prb, int x)
{
if (prb->ci.style & RBS_BANDBORDERS)
x += g_cxEdge;
return x;
}
void RBRealize(PRB prb, HDC hdcParam, BOOL fBackground, BOOL fForceRepaint)
{
if (prb->hpal)
{
HDC hdc = hdcParam ? hdcParam : GetDC(prb->ci.hwnd);
if (hdc)
{
BOOL fRepaint;
SelectPalette(hdc, prb->hpal, fBackground);
fRepaint = RealizePalette(hdc) || fForceRepaint;
if (!hdcParam)
ReleaseDC(prb->ci.hwnd, hdc);
if (fRepaint)
{
InvalidateRect(prb->ci.hwnd, NULL, TRUE);
}
}
}
}
//////////////////////////////////////////////////////////////////
// RBSendNotify
//
// sends a wm_notify of code iCode and packages up all the data for you
// for band uBand
//
//////////////////////////////////////////////////////////////////
LRESULT RBSendNotify(PRB prb, UINT uBand, int iCode)
{
NMREBAR nm = {0};
nm.uBand = uBand;
if (uBand != (UINT)-1) {
nm.dwMask = RBNM_ID | RBNM_STYLE | RBNM_LPARAM;
nm.wID = RBGETBAND(prb, uBand)->wID;
nm.fStyle = RBGETBAND(prb, uBand)->fStyle;
nm.lParam = RBGETBAND(prb, uBand)->lParam;
}
return CCSendNotify(&prb->ci, iCode, &nm.hdr);
}
BOOL RBInvalidateRect(PRB prb, RECT* prc)
{
if (prb->fRedraw)
{
RECT rc;
if (prc && RB_ISVERT(prb))
{
CopyRect(&rc, prc);
FlipRect(&rc);
prc = &rc;
}
prb->fRefreshPending = FALSE;
InvalidateRect(prb->ci.hwnd, prc, TRUE);
return TRUE;
}
else
{
prb->fRefreshPending = TRUE;
return FALSE;
}
}
LRESULT RebarDragCallback(HWND hwnd, UINT code, WPARAM wp, LPARAM lp)
{
PRB prb = (PRB)GetWindowPtr(hwnd, 0);
LRESULT lres;
switch (code)
{
case DPX_DRAGHIT:
if (lp)
{
int iBand;
RBHITTESTINFO rbht;
rbht.pt.x = ((POINTL *)lp)->x;
rbht.pt.y = ((POINTL *)lp)->y;
MapWindowPoints(NULL, prb->ci.hwnd, &rbht.pt, 1);
iBand = RBHitTest(prb, &rbht);
*(DWORD*)wp = rbht.flags;
lres = (LRESULT)(iBand != -1 ? prb->rbbList[iBand].wID : -1);
}
else
lres = -1;
break;
case DPX_GETOBJECT:
lres = (LRESULT)GetItemObject(&prb->ci, RBN_GETOBJECT, &IID_IDropTarget, (LPNMOBJECTNOTIFY)lp);
break;
default:
lres = -1;
break;
}
return lres;
}
// ----------------------------------------------------------------------------
//
// RBCanBandMove
//
// returns TRUE if the given band can be moved and FALSE if it cannot
//
// ----------------------------------------------------------------------------
BOOL RBCanBandMove(PRB prb, PRBB prbb)
{
// If there is only one visible band it cannot move
if (RBEnumBand(prb, 1, RBBS_HIDDEN) > RB_GETLASTBAND(prb))
return FALSE;
ASSERT(!(prbb->fStyle & RBBS_HIDDEN));
if ((prb->ci.style & RBS_FIXEDORDER)
&& (prbb == RBEnumBand(prb, 0, RBBS_HIDDEN)))
// the first (visible) band in fixed order rebars can't be moved
return(FALSE);
// fixed size bands can't be moved
return(!(prbb->fStyle & RBBS_FIXEDSIZE));
}
// ----------------------------------------------------------------------------
//
// RBBCalcMinWidth
//
// calculates minimum width for the given band
//
// ----------------------------------------------------------------------------
void RBBCalcMinWidth(PRB prb, PRBB prbb)
{
BOOL fDrawGripper = RBShouldDrawGripper(prb, prbb);
BOOL fVertical;
int cEdge;
BOOL fEmpty = ((prbb->iImage == -1) && (!RBSHOWTEXT(prbb)));
if (prbb->fStyle & RBBS_HIDDEN) {
ASSERT(0);
return;
}
// did the user specify the size explicitly?
if (prbb->fStyle & RBBS_FIXEDHEADERSIZE)
return;
prbb->cxMin = prbb->cxMinChild;
if (RBBUSECHEVRON(prb, prbb))
prbb->cxMin += CX_CHEVRON;
if (!fDrawGripper && fEmpty)
return;
fVertical = (prb->ci.style & CCS_VERT);
if (RB_ISVERTICALGRIPPER(prb)) {
prbb->cxMin += 4 * g_cyEdge;
prbb->cxMin += max(prb->cyImage, prb->cyFont);
} else {
cEdge = fVertical ? g_cyEdge : g_cxEdge;
prbb->cxMin += 2 * cEdge;
if (fDrawGripper)
{
prbb->cxMin += RB_GRABWIDTH * (fVertical ? g_cyBorder : g_cxBorder);
if (fEmpty)
return;
}
prbb->cxMin += 2 * cEdge;
if (prbb->iImage != -1)
prbb->cxMin += (fVertical ? prb->cyImage : prb->cxImage);
if (RBSHOWTEXT(prbb))
{
if (fVertical)
prbb->cxMin += prb->cyFont;
else
prbb->cxMin += prbb->cxText;
if (prbb->iImage != -1)
// has both image and text -- add in edge between 'em
prbb->cxMin += cEdge;
}
}
}
BOOL RBShouldDrawGripper(PRB prb, PRBB prbb)
{
if (prbb->fStyle & RBBS_NOGRIPPER)
return FALSE;
if ((prbb->fStyle & RBBS_GRIPPERALWAYS) || RBCanBandMove(prb, prbb))
return TRUE;
return FALSE;
}
// ----------------------------------------------------------------------------
//
// RBBCalcTextExtent
//
// computes the horizontal extent of the given band's title text in the current
// title font for the rebar
//
// returns TRUE if text extent changed, FALSE otherwise
//
// ----------------------------------------------------------------------------
BOOL RBBCalcTextExtent(PRB prb, PRBB prbb, HDC hdcIn)
{
HDC hdc = hdcIn;
HFONT hFontOld;
UINT cx;
if (prbb->fStyle & RBBS_HIDDEN)
{
ASSERT(0); // caller should have skipped
return FALSE;
}
if (!RBSHOWTEXT(prbb))
{
cx = 0;
}
else
{
if (!hdcIn && !(hdc = GetDC(prb->ci.hwnd)))
return FALSE;
hFontOld = SelectObject(hdc, prb->hFont);
// for clients >= v5, we draw text with prefix processing (& underlines next char)
if (prb->ci.iVersion >= 5)
{
RECT rc = {0,0,0,0};
DrawText(hdc, prbb->lpText, lstrlen(prbb->lpText), &rc, DT_CALCRECT);
cx = RECTWIDTH(rc);
}
else
{
SIZE size;
GetTextExtentPoint(hdc, prbb->lpText, lstrlen(prbb->lpText), &size);
cx = size.cx;
}
SelectObject(hdc, hFontOld);
if (!hdcIn)
ReleaseDC(prb->ci.hwnd, hdc);
}
if (prbb->cxText != cx)
{
prbb->cxText = cx;
RBBCalcMinWidth(prb, prbb);
return TRUE;
}
return FALSE;
}
// ----------------------------------------------------------------------------
//
// RBBGetHeight
//
// returns minimum height for the given band
// TODO: make this a field in the band structure instead of always calling this
//
// ----------------------------------------------------------------------------
UINT RBBGetHeight(PRB prb, PRBB prbb)
{
UINT cy = 0;
BOOL fVertical = (prb->ci.style & CCS_VERT);
UINT cyCheck, cyBorder;
cyBorder = (fVertical ? g_cxEdge : g_cyEdge) * 2;
if (prbb->hwndChild)
{
cy = prbb->cyChild;
if (!(prbb->fStyle & RBBS_CHILDEDGE))
// add edge to top and bottom of child window
cy -= cyBorder;
}
if (RBSHOWTEXT(prbb) && !fVertical)
{
cyCheck = prb->cyFont;
if (cyCheck > cy)
cy = cyCheck;
}
if (prbb->iImage != -1)
{
cyCheck = (fVertical) ? prb->cxImage : prb->cyImage;
if (cyCheck > cy)
cy = cyCheck;
}
return(cy + cyBorder);
}
// ----------------------------------------------------------------------------
//
// RBGetRowCount
//
// returns the number of rows in the rebar's current configuration
//
// ----------------------------------------------------------------------------
UINT RBGetRowCount(PRB prb)
{
UINT i;
UINT cRows = 0;
for (i = 0; i < prb->cBands; i++) {
if (RBGETBAND(prb, i)->fStyle & RBBS_HIDDEN)
continue;
if (RBISSTARTOFROW(prb, i))
cRows++;
}
return(cRows);
}
// ----------------------------------------------------------------------------
//
// RBGetLineHeight
//
// returns the height of the line of bands from iStart to iEnd, inclusively
//
// ----------------------------------------------------------------------------
UINT RBGetLineHeight(PRB prb, UINT iStart, UINT iEnd)
{
UINT cy = 0;
PRBB prbb;
UINT cyBand;
if (!(prb->ci.style & RBS_VARHEIGHT))
{
// for fixed height bars, line height is maximum height of ALL bands
iStart = 0;
iEnd = prb->cBands - 1;
}
for (prbb = prb->rbbList + iStart; iStart <= iEnd; prbb++, iStart++)
{
if (prbb->fStyle & RBBS_HIDDEN)
continue;
cyBand = RBBGetHeight(prb, prbb);
cy = max(cy, cyBand);
}
return(cy);
}
// RBRecalcChevron: update & refresh chevron
void RBRecalcChevron(PRB prb, PRBB prbb, BOOL fChevron)
{
RECT rcChevron;
if (fChevron)
{
rcChevron.right = prbb->x + prbb->cx;
rcChevron.left = rcChevron.right - CX_CHEVRON;
rcChevron.top = prbb->y;
rcChevron.bottom = rcChevron.top + prbb->cy;
}
else
SetRect(&rcChevron, -1, -1, -1, -1);
if (!EqualRect(&rcChevron, &prbb->rcChevron))
{
if (prbb->fChevron)
RBInvalidateRect(prb, &prbb->rcChevron);
prbb->fChevron = fChevron;
CopyRect(&prbb->rcChevron, &rcChevron);
if (prbb->fChevron)
RBInvalidateRect(prb, &prbb->rcChevron);
}
}
// ----------------------------------------------------------------------------
//
// RBResizeChildren
//
// resizes children to fit properly in their respective bands' bounding rects
//
// ----------------------------------------------------------------------------
void RBResizeChildren(PRB prb)
{
int cx, cy, x, y, cxHeading;
HDWP hdwp;
BOOL fVertical = (prb->ci.style & CCS_VERT);
PRBB prbb, prbbEnd;
if (!prb->cBands || !prb->fRedraw)
return;
hdwp = BeginDeferWindowPos(prb->cBands);
prbb = RBGETBAND(prb, 0);
prbbEnd = RB_GETLASTBAND(prb);
for ( ; prbb <= prbbEnd ; prbb++)
{
NMREBARCHILDSIZE nm;
BOOL fChevron = FALSE;
if (prbb->fStyle & RBBS_HIDDEN)
continue;
if (!prbb->hwndChild)
continue;
cxHeading = RBBHEADERWIDTH(prbb);
x = prbb->x + cxHeading;
cx = prbb->cx - cxHeading;
// if we're not giving child ideal size, make space for chevron button
if ((cx < prbb->cxIdeal) && RBBUSECHEVRON(prb, prbb))
{
fChevron = TRUE;
cx -= CX_CHEVRON;
}
if (!(prbb->fStyle & RBBS_FIXEDSIZE)) {
if (fVertical) {
PRBB prbbNext = RBBNextVisible(prb, prbb);
if (prbbNext && !RBISBANDSTARTOFROW(prbbNext))
cx -= g_cyEdge * 2;
} else
cx -= CX_OFFSET;
}
if (cx < 0)
cx = 0;
y = prbb->y;
cy = prbb->cy;
if (prbb->cyChild && (prbb->cyChild < (UINT) cy))
{
y += (cy - prbb->cyChild) / 2;
cy = prbb->cyChild;
}
nm.rcChild.left = x;
nm.rcChild.top = y;
nm.rcChild.right = x + cx;
nm.rcChild.bottom = y + cy;
nm.rcBand.left = prbb->x + RBBHEADERWIDTH(prbb);
nm.rcBand.right = prbb->x + prbb->cx;
nm.rcBand.top = prbb->y;
nm.rcBand.bottom = prbb->y + prbb->cy;
nm.uBand = RBBANDTOINDEX(prb, prbb);
nm.wID = prbb->wID;
if (fVertical) {
FlipRect(&nm.rcChild);
FlipRect(&nm.rcBand);
}
CCSendNotify(&prb->ci, RBN_CHILDSIZE, &nm.hdr);
if (!RB_ISVALIDBAND(prb, prbb)) {
// somebody responded to notify by nuking bands; bail
break;
}
RBRecalcChevron(prb, prbb, fChevron);
DeferWindowPos(hdwp, prbb->hwndChild, NULL, nm.rcChild.left, nm.rcChild.top,
RECTWIDTH(nm.rcChild), RECTHEIGHT(nm.rcChild), SWP_NOZORDER);
}
EndDeferWindowPos(hdwp);
//
// The SQL 7.0 Enterprise Manager Data Transformation Services MMC Snap-In
// (and the Visual Basic Coolbar Sample App, too) has problems.
// It hosts a rebar but doesn't set the WS_CLIPCHILDREN flag,
// so when it erases its background, it wipes out the rebar. So don't
// call UpdateWindow() here, or we will paint *first*, then SQL will
// erase us by mistake. We have to leave our paint pending, so that
// when SQL erases us by mistake, we will eventually get a WM_PAINT
// message afterwards.
//
#if 0
UpdateWindow(prb->ci.hwnd);
#endif
}
// ----------------------------------------------------------------------------
//
// RBMoveBand
//
// moves the band from one position to another in the rebar's band array,
// updating the rebar's iCapture field as needed
//
// returns TRUE or FALSE if something moved
// ----------------------------------------------------------------------------
BOOL RBMoveBand(PRB prb, UINT iFrom, UINT iTo)
{
RBB rbbMove;
int iShift;
BOOL fCaptureChanged = (prb->iCapture == -1);
if (iFrom != iTo)
{
rbbMove = *RBGETBAND(prb, iFrom);
if (prb->iCapture == (int) iFrom)
{
prb->iCapture = (int) iTo;
fCaptureChanged = TRUE;
}
iShift = (iFrom > iTo) ? -1 : 1;
while (iFrom != iTo)
{
if (!fCaptureChanged && (prb->iCapture == (int) (iFrom + iShift)))
{
prb->iCapture = (int) iFrom;
fCaptureChanged = TRUE;
}
*RBGETBAND(prb, iFrom) = *RBGETBAND(prb, iFrom + iShift);
iFrom += iShift;
}
*RBGETBAND(prb, iTo) = rbbMove;
return TRUE;
}
return(FALSE);
}
// ----------------------------------------------------------------------------
//
// RBRecalc
//
// recomputes bounding rects for all bands in given rebar
//
// ----------------------------------------------------------------------------
UINT RBRecalc(PRB prb)
{
PRBB prbb = RBGETBAND(prb, 0);
PRBB prbbWalk;
UINT cHidden; // # of hidden guys we've seen in current row
UINT cxRow;
UINT cxMin;
UINT i;
UINT j;
UINT k;
UINT iFixed = 0xFFFF;
int cy;
int y;
int x;
UINT cxBar;
RECT rc;
HWND hwndSize;
BOOL fNewLine = FALSE;
BOOL fChanged;
BOOL fVertical = (prb->ci.style & CCS_VERT);
BOOL fBandBorders;
int iBarWidth;
if (!prb->cBands)
return(0);
if ((prb->ci.style & CCS_NORESIZE) || (prb->ci.style & CCS_NOPARENTALIGN))
// size based on rebar window itself
hwndSize = prb->ci.hwnd;
else if (!(hwndSize = prb->ci.hwndParent))
// size based on parent window -- if no parent window, bail now
return(0);
if (!prb->fRecalc) {
// defer this recalc
prb->fRecalcPending = TRUE;
return 0;
} else {
prb->fRecalcPending = FALSE;
}
GetClientRect(hwndSize, &rc);
iBarWidth = (fVertical ? (rc.bottom - rc.top) : (rc.right - rc.left));
// this can happen because we adjust the client rect, but wedon't change
// the getminmaxinfo.
if (iBarWidth <= 0)
iBarWidth = 1;
cxBar = (UINT) iBarWidth;
fBandBorders = (prb->ci.style & RBS_BANDBORDERS);
for (i = 0; i < prb->cBands; i++) {
prb->rbbList[i].cx = prb->rbbList[i].cxRequest;
}
y = 0;
i = 0;
// Main Loop -- loop until all bands are calculated
while (i < prb->cBands)
{
TraceMsg(TF_REBAR, "RBRecalc: outer loop i=%d", i);
if (fBandBorders && (y > 0))
y += g_cyEdge;
ReLoop:
cxRow = 0;
cxMin = 0;
x = 0;
cHidden = 0;
// Row Loop -- loop until hard line break is found or soft line break
// is necessary
for (j = i, prbbWalk = prbb; j < prb->cBands; j++, prbbWalk++)
{
TraceMsg(TF_REBAR, "RBRecalc: inner loop j=%d", j);
if (prbbWalk->fStyle & RBBS_HIDDEN) {
++cHidden;
continue;
}
if (j > i + cHidden)
{
// not the first band in the row -- check for break style
if ((prbbWalk->fStyle & RBBS_BREAK) && !(prbbWalk->fStyle & RBBS_FIXEDSIZE))
break;
if (fBandBorders)
// add in space for vertical etch on palettized display
cxMin += g_cxEdge;
}
if (prbbWalk->fStyle & RBBS_FIXEDSIZE)
{
// remember location of branding brick
iFixed = j;
// if this is the first band, the next band cannot have a forced break.
if (i + cHidden == j) {
// if the first index in the row (i) plus the number of hidden items (cHidden) leaves us at this band,
// then it's the first visible in this row.
PRBB prbbNextVis = RBBNextVisible(prb, prbbWalk);
if (prbbNextVis && (prbbNextVis->fStyle & RBBS_BREAK)) {
// can't do this unilaterally because on startup
// some folks (net meeting) initialize it in reverse order
// and we whack off this break bit incorrectly
if (prb->fRedraw && IsWindowVisible(prb->ci.hwnd))
prbbNextVis->fStyle &= ~RBBS_BREAK;
}
}
prbbWalk->cx = prbbWalk->cxMin;
}
if (prbbWalk->cx < prbbWalk->cxMin)
prbbWalk->cx = prbbWalk->cxMin;
cxMin += prbbWalk->cxMin; // update running total of min widths
// read the assert comment below
if (j > i + cHidden)
{
// not the first band in row -- check for need to autobreak
if (cxMin > cxBar)
// autobreak here
break;
if (fBandBorders)
// add in space for vertical etch on palettized display
cxRow += g_cxEdge;
}
cxRow += prbbWalk->cx; // update running total of current widths
}
if (!i)
{
// first row -- handle proper placement of branding band
if (iFixed == 0xFFFF)
{
// branding band not yet found; look in the remaining bands
k = j;
for ( ; j < prb->cBands; j++)
{
if (RBGETBAND(prb, j)->fStyle & RBBS_HIDDEN)
continue;
if (RBGETBAND(prb, j)->fStyle & RBBS_FIXEDSIZE)
{
// branding band found; move to 1st row and recompute
ASSERT(j != k);
RBMoveBand(prb, j, k);
goto ReLoop;
}
}
// no branding band found -- reset j and continue on
j = k;
}
else
// we have a branding band; move it to
// the rightmost position in the row
RBMoveBand(prb, iFixed, j - 1);
TraceMsg(TF_REBAR, "RBRecalc: after brand i=%d", i);
}
// variant:
// now the current row of bands is from i to j - 1
// n.b. i (and some following bands) might be hidden
// assert that j != i because then the above variant won't be true
ASSERT(j != i); // BUGBUG RBBS_HIDDEN?
if (cxRow > cxBar)
{
// bands are too long -- shrink bands from right to left
for (k = i; k < j; k++)
{
prbbWalk--;
if (prbbWalk->fStyle & RBBS_HIDDEN)
continue;
if (prbbWalk->cx > prbbWalk->cxMin)
{
cxRow -= prbbWalk->cx - prbbWalk->cxMin;
prbbWalk->cx = prbbWalk->cxMin;
if (cxRow <= cxBar)
{
prbbWalk->cx += cxBar - cxRow;
break;
}
}
}
TraceMsg(TF_REBAR, "RBRecalc: after shrink i=%d", i);
}
else if (cxRow < cxBar)
{
// bands are too short -- grow rightmost non-minimized band
for (k = j - 1; k >= i; k--)
{
ASSERT(k != (UINT)-1); // catch infinite loop
prbbWalk--;
if ((k == i) ||
(!(prbbWalk->fStyle & (RBBS_HIDDEN | RBBS_FIXEDSIZE)) &&
(prbbWalk->cx > prbb->cxMin)))
{
// the k == i check means we've made it to the first
// band on this row and so he has to get the cx change
if (prbbWalk->fStyle & RBBS_HIDDEN)
{
ASSERT(k == i);
prbbWalk = RBBNextVisible(prb, prbbWalk);
if (!prbbWalk)
break;
}
prbbWalk->cx += cxBar - cxRow;
break;
}
}
TraceMsg(TF_REBAR, "RBRecalc: after grow i=%d", i);
}
// items from index i to index j-1 (inclusive) WILL fit on one line
cy = RBGetLineHeight(prb, i, j - 1);
fChanged = FALSE; // set if any bands on current row changed position
for ( ; i < j; i++, prbb++)
{
if (prbb->fStyle & RBBS_HIDDEN)
continue;
// go through row of bands, updating positions and heights,
// invalidating as needed
if ((prbb->y != y) || (prbb->x != x) || (prbb->cy != cy))
{
TraceMsg(TF_REBAR, "RBRecalc: invalidate i=%d", RBBANDTOINDEX(prb, prbb));
fChanged = TRUE;
rc.left = min(prbb->x, x);
rc.top = min(prbb->y, y);
rc.right = cxBar;
rc.bottom = max(prbb->y + prbb->cy, y + cy);
if (fBandBorders)
{
// acount for etch line that will need to move
rc.left -= g_cxEdge;
rc.bottom += g_cyEdge/2;
}
RBInvalidateRect(prb, &rc);
}
prbb->x = x;
prbb->y = y;
prbb->cy = cy;
x += RBBANDWIDTH(prb, prbb);
}
// i and prbb now refer to the first band in the next row of bands
y += cy;
}
prb->cy = y;
return(y);
}
// ----------------------------------------------------------------------------
//
// RBResize
//
// recomputes bounding rects for all bands and then resizes rebar and children
// based on these rects
//
// ----------------------------------------------------------------------------
void RBResizeNow(PRB prb)
{
RECT rc;
BOOL bMirroredWnd=(prb->ci.dwExStyle&RTL_MIRRORED_WINDOW);
if (!prb || !prb->ci.hwndParent)
return;
GetWindowRect(prb->ci.hwnd, &rc);
//
// If this is a mirrored window, we don't won't to refect the
// coordinates since they are coming from the screen coord
// which they are not mirrored. [samera]
//
if (bMirroredWnd)
MapRectInRTLMirroredWindow(&rc, prb->ci.hwndParent);
else
MapWindowPoints(HWND_DESKTOP, prb->ci.hwndParent, (LPPOINT)&rc, 2);
RBResizeChildren(prb);
NewSize(prb->ci.hwnd, prb->cy, prb->ci.style, rc.left, rc.top, RECTWIDTH(rc), RECTHEIGHT(rc));
if (prb->fResizeNotify)
CCSendNotify(&prb->ci, RBN_HEIGHTCHANGE, NULL);
prb->fResizeNotify = FALSE;
prb->fResizePending = FALSE;
}
void RBResize(PRB prb, BOOL fForceHeightChange)
{
UINT cy;
StartOver:
// lots of the code relies on having cy calculated synchronously with RBResize,
// but we're going to delay the actual changing of the window
cy = prb->cy;
if (prb->fResizing)
{
prb->fResizeRecursed = TRUE;
return;
}
prb->fResizing = TRUE;
RBRecalc(prb);
// true overrides always
if (fForceHeightChange || (cy != prb->cy))
prb->fResizeNotify = TRUE;
if (prb->fRedraw) {
RBResizeNow(prb);
} else
prb->fResizePending = TRUE;
prb->fResizing = FALSE;
// we do this to avoid infinite loop... RBResize can cause NewSize which causes
// a notify in which the parent sizes us, which causes us to loop.
// if the parent does any message pumping during the NewSize, we're in a loop
if (prb->fResizeRecursed) {
prb->fResizeRecursed = FALSE;
fForceHeightChange = FALSE;
goto StartOver;
}
}
void RBSetRecalc(PRB prb, BOOL fRecalc)
{
prb->fRecalc = fRecalc;
if (fRecalc) {
if (prb->fRecalcPending)
RBRecalc(prb);
}
}
BOOL RBSetRedraw(PRB prb, BOOL fRedraw)
{
BOOL fOld = prb->fRedraw;
if (prb) {
prb->fRedraw = BOOLIFY(fRedraw);
if (fRedraw) {
// save off prb->fRefreshPending since this can
// get changed by call to RBResizeNow
BOOL fRefreshPending = prb->fRefreshPending;
if (prb->fResizePending)
RBResizeNow(prb);
if (fRefreshPending)
RBInvalidateRect(prb, NULL);
}
}
return fOld;
}
BOOL RBAfterSetFont(PRB prb)
{
TEXTMETRIC tm;
BOOL fChange = FALSE;
UINT i;
HFONT hOldFont;
HDC hdc = GetDC(prb->ci.hwnd);
if (!hdc)
return FALSE;
hOldFont = SelectObject(hdc, prb->hFont);
GetTextMetrics(hdc, &tm);
if (prb->cyFont != (UINT) tm.tmHeight)
{
prb->cyFont = tm.tmHeight;
fChange = TRUE;
}
// adjust bands
for (i = 0; i < prb->cBands; i++)
{
if (RBGETBAND(prb, i)->fStyle & RBBS_HIDDEN)
continue;
fChange |= RBBCalcTextExtent(prb, RBGETBAND(prb, i), hdc);
}
SelectObject(hdc, hOldFont);
ReleaseDC(prb->ci.hwnd, hdc);
if (fChange)
{
RBResize(prb, FALSE);
// invalidate, o.w. title doesn't redraw 1st time after font growth
RBInvalidateRect(prb, NULL);
}
return TRUE;
}
BOOL RBOnSetFont(PRB prb, HFONT hFont)
{
if (prb->fFontCreated) {
DeleteObject(prb->hFont);
}
prb->hFont = hFont;
prb->fFontCreated = FALSE;
if (!prb->hFont)
RBSetFont(prb, 0);
else
return RBAfterSetFont(prb);
return TRUE;
}
// ----------------------------------------------------------------------------
//
// RBSetFont
//
// sets the rebar band title font to the current system-wide caption font
//
// ----------------------------------------------------------------------------
BOOL RBSetFont(PRB prb, WPARAM wParam)
{
NONCLIENTMETRICS ncm;
HFONT hOldFont;
if ((wParam != 0) && (wParam != SPI_SETNONCLIENTMETRICS))
return(FALSE);
ncm.cbSize = sizeof(NONCLIENTMETRICS);
if (!SystemParametersInfo(SPI_GETNONCLIENTMETRICS, ncm.cbSize, &ncm, 0))
return(FALSE);
hOldFont = prb->hFont;
ncm.lfCaptionFont.lfWeight = FW_NORMAL;
if (!(prb->hFont = CreateFontIndirect(&ncm.lfCaptionFont)))
{
prb->hFont = hOldFont;
return(FALSE);
}
prb->fFontCreated = TRUE;
if (hOldFont)
DeleteObject(hOldFont);
return RBAfterSetFont(prb);
}
// ----------------------------------------------------------------------------
//
// Draws a horizontal or vertical dotted line from the given (x,y) location
// for the given length (c). (From TReeView's TV_DrawDottedLine)
//
// ----------------------------------------------------------------------------
void RBVertMungeGripperRect(PRB prb, LPRECT lprc)
{
if (RB_ISVERTICALGRIPPER(prb)) {
OffsetRect(lprc, -lprc->left + lprc->top, -lprc->top + lprc->left);
lprc->bottom -= g_cyEdge;
} else {
FlipRect(lprc);
}
}
void RBDrawChevron(PRB prb, PRBB prbb, HDC hdc)
{
RECT rc;
DWORD dwFlags = prbb->wChevState | DCHF_HORIZONTAL | DCHF_TRANSPARENT;
CopyRect(&rc, &prbb->rcChevron);
if (RB_ISVERT(prb))
FlipRect(&rc);
else
dwFlags |= DCHF_TOPALIGN;
DrawChevron(hdc, &rc, dwFlags);
}
void RBUpdateChevronState(PRB prb, PRBB prbb, WORD wControlState)
{
if (!prb || !prbb)
return;
// if no change in state, bail
if (!(wControlState ^ prbb->wChevState))
return;
prbb->wChevState = wControlState;
// if active (pushed or hottracked)
if (!(wControlState & DCHF_INACTIVE)) {
// then we're now the hot band
prb->prbbHot = prbb;
}
// else if we were the hot band then clear
else if (prbb == prb->prbbHot) {
prb->prbbHot = NULL;
}
// clear background & repaint
RBInvalidateRect(prb, &prbb->rcChevron);
UpdateWindow(prb->ci.hwnd);
}
// ----------------------------------------------------------------------------
//
// RBDrawBand
//
// draws the title icon and title text of the given band into the given DC;
// also the band's chevron
//
// ----------------------------------------------------------------------------
void RBDrawBand(PRB prb, PRBB prbb, HDC hdc)
{
int xStart, yCenter;
COLORREF clrBackSave, clrForeSave;
int iModeSave;
BOOL fVertical = RB_ISVERT(prb);
BOOL fDrawHorizontal = (!fVertical || RB_ISVERTICALGRIPPER(prb));
NMCUSTOMDRAW nmcd;
LRESULT dwRet;
if (prbb->fStyle & RBBS_HIDDEN) {
ASSERT(0);
return;
}
clrForeSave = SetTextColor(hdc, RBB_GetTextColor(prb, prbb));
clrBackSave = SetBkColor(hdc, RBB_GetBkColor(prb, prbb));
if (prbb->hbmBack)
iModeSave = SetBkMode(hdc, TRANSPARENT);
nmcd.hdc = hdc;
nmcd.dwItemSpec = prbb->wID;
nmcd.uItemState = 0;
nmcd.lItemlParam = prbb->lParam;
nmcd.rc.top = prbb->y;
nmcd.rc.left = prbb->x;
nmcd.rc.bottom = nmcd.rc.top + prbb->cy;
nmcd.rc.right = nmcd.rc.left + RBBHEADERWIDTH(prbb);
if (prb->ci.style & CCS_VERT)
{
FlipRect(&nmcd.rc);
}
#ifdef KEYBOARDCUES
#if 0
// BUGBUG: Custom draw stuff for UISTATE (stephstm)
if (CCGetUIState(&(prb->ci), KC_TBD))
nmcd.uItemState |= CDIS_SHOWKEYBOARDCUES;
#endif
#endif
dwRet = CICustomDrawNotify(&prb->ci, CDDS_ITEMPREPAINT, &nmcd);
if (!(dwRet & CDRF_SKIPDEFAULT))
{
int cy;
if (RB_ISVERTICALGRIPPER(prb)) {
cy = RBBHEADERWIDTH(prbb);
yCenter = prbb->x + (cy / 2);
} else {
cy = prbb->cy;
yCenter = prbb->y + (cy / 2);
}
xStart = prbb->x;
if (RBShouldDrawGripper(prb, prbb))
{
RECT rc;
int c;
int dy;
c = 3 * g_cyBorder;
xStart += 2 * g_cxBorder;
dy = g_cxEdge;
SetRect(&rc, xStart, prbb->y + dy, xStart + c, prbb->y + cy - dy);
if (fVertical)
{
RBVertMungeGripperRect(prb, &rc);
if (RB_ISVERTICALGRIPPER(prb))
xStart = rc.left;
}
CCDrawEdge(hdc, &rc, BDR_RAISEDINNER, BF_RECT | BF_MIDDLE, &(prb->clrsc));
xStart += c;
}
xStart += 2 * (fVertical ? g_cyEdge : g_cxEdge);
if (prbb->iImage != -1)
{
UINT yStart;
IMAGELISTDRAWPARAMS imldp = {0};
yStart = yCenter - ((!fDrawHorizontal ? prb->cxImage : prb->cyImage) / 2);
imldp.cbSize = sizeof(imldp);
imldp.himl = prb->himl;
imldp.i = prbb->iImage;
imldp.hdcDst = hdc;
imldp.x = (!fDrawHorizontal ? yStart : xStart);
imldp.y = (!fDrawHorizontal ? xStart : yStart);
imldp.rgbBk = CLR_DEFAULT;
imldp.rgbFg = CLR_DEFAULT;
imldp.fStyle = ILD_TRANSPARENT;
ImageList_DrawIndirect(&imldp);
xStart += (fDrawHorizontal ? (prb->cxImage + g_cxEdge) : (prb->cyImage + g_cyEdge));
}
if (RBSHOWTEXT(prbb))
{
HFONT hFontSave = SelectObject(hdc, prb->hFont);
RECT rcText;
rcText.left = fDrawHorizontal ? xStart : yCenter - (prbb->cxText / 2);
rcText.top = fDrawHorizontal ? yCenter - (prb->cyFont / 2) : xStart;
if (fDrawHorizontal)
rcText.top -= 1; // fudge
rcText.right = rcText.left + prbb->cxText;
rcText.bottom = rcText.top + prb->cyFont;
// for clients >= v5, we draw text with prefix processing (& underlines next char)
if (prb->ci.iVersion >= 5)
{
UINT uFormat=0;
#ifdef KEYBOARDCUES
if (CCGetUIState(&(prb->ci)) & UISF_HIDEACCEL)
uFormat= DT_HIDEPREFIX;
#endif
DrawText(hdc, prbb->lpText, lstrlen(prbb->lpText), &rcText, uFormat);
}
else
TextOut(hdc, rcText.left, rcText.top, prbb->lpText, lstrlen(prbb->lpText));
SelectObject(hdc, hFontSave);
}
// maybe draw chevron
if (RBBUSECHEVRON(prb, prbb) && prbb->fChevron)
RBDrawChevron(prb, prbb, hdc);
}
if (dwRet & CDRF_NOTIFYPOSTPAINT)
CICustomDrawNotify(&prb->ci, CDDS_ITEMPOSTPAINT, &nmcd);
if (prbb->hbmBack)
SetBkMode(hdc, iModeSave);
SetTextColor(hdc, clrForeSave);
SetBkColor(hdc, clrBackSave);
}
// ----------------------------------------------------------------------------
//
// RBPaint
//
// processes WM_PAINT message
//
// ----------------------------------------------------------------------------
void RBPaint(PRB prb, HDC hdcIn)
{
HDC hdc = hdcIn;
PAINTSTRUCT ps;
UINT i;
NMCUSTOMDRAW nmcd;
if (!hdcIn)
hdc = BeginPaint(prb->ci.hwnd, &ps);
else
GetClientRect(prb->ci.hwnd, &ps.rcPaint);
nmcd.hdc = hdc;
nmcd.uItemState = 0;
nmcd.lItemlParam = 0;
nmcd.rc = ps.rcPaint;
prb->ci.dwCustom = CICustomDrawNotify(&prb->ci, CDDS_PREPAINT, &nmcd);
if (!(prb->ci.dwCustom & CDRF_SKIPDEFAULT))
{
for (i = 0; i < prb->cBands; i++) {
if (RBGETBAND(prb, i)->fStyle & RBBS_HIDDEN)
continue;
RBDrawBand(prb, RBGETBAND(prb, i), hdc);
}
}
if (prb->ci.dwCustom & CDRF_NOTIFYPOSTPAINT)
CICustomDrawNotify(&prb->ci, CDDS_POSTPAINT, &nmcd);
if (!hdcIn)
EndPaint(prb->ci.hwnd, &ps);
}
// ----------------------------------------------------------------------------
//
// RBTileBlt
//
// Fills the given rectangle with the rebar's background bitmap, tiling if
// necessary
//
// ----------------------------------------------------------------------------
void RBTileBlt(PRB prb, PRBB prbb, UINT x, UINT y, UINT cx, UINT cy, HDC hdcDst, HDC hdcSrc)
{
UINT xOff = 0;
UINT yOff = 0;
BOOL fxTile, fyTile;
int cxPart, cyPart;
int iPixelOffset = 0;
#ifndef WINNT
// On Win98 BiDi, Bitblt has off-by-one bug in mirroring
if(IS_DC_RTL_MIRRORED(hdcSrc))
{
iPixelOffset = 1;
}
#endif // WINNT
if (!(prbb->fStyle & RBBS_FIXEDBMP))
{
if (prb->ci.style & CCS_VERT)
{
xOff = -prbb->y;
yOff = -prbb->x;
}
else
{
xOff = -prbb->x;
yOff = -prbb->y;
}
}
xOff += x;
if (xOff >= prbb->cxBmp)
xOff %= prbb->cxBmp;
yOff += y;
if (yOff >= prbb->cyBmp)
yOff %= prbb->cyBmp;
ReCheck:
fxTile = ((xOff + cx) > prbb->cxBmp);
fyTile = ((yOff + cy) > prbb->cyBmp);
if (!fxTile && !fyTile)
{
// no tiling needed -- blt and leave
BitBlt(hdcDst, x , y, cx, cy, hdcSrc, xOff + iPixelOffset, yOff, SRCCOPY);
return;
}
if (!fxTile)
{
// vertically tile
cyPart = prbb->cyBmp - yOff;
BitBlt(hdcDst, x, y, cx, cyPart, hdcSrc, xOff + iPixelOffset, yOff, SRCCOPY);
y += cyPart;
cy -= cyPart;
yOff = 0;
goto ReCheck;
}
if (!fyTile)
{
// horizontally tile
cxPart = prbb->cxBmp - xOff;
BitBlt(hdcDst, x, y, cxPart, cy, hdcSrc, xOff + iPixelOffset, yOff, SRCCOPY);
x += cxPart;
cx -= cxPart;
xOff = 0;
goto ReCheck;
}
// tile both ways
cyPart = prbb->cyBmp - yOff;
RBTileBlt(prb, prbb, x, y, cx, cyPart, hdcDst, hdcSrc);
y += cyPart;
cy -= cyPart;
yOff = 0;
goto ReCheck;
}
// this is using virtual coordinate space (internal always horizontal)
int _RBHitTest(PRB prb, LPRBHITTESTINFO prbht, int x, int y)
{
BOOL fVert = (prb->ci.style & CCS_VERT);
int i;
PRBB prbb = RBGETBAND(prb, 0);
int cx;
RBHITTESTINFO rbht;
if (!prbht)
prbht = &rbht;
for (i = 0; i < (int) prb->cBands; i++, prbb++)
{
if (prbb->fStyle & RBBS_HIDDEN)
continue;
if ((x >= prbb->x) && (y >= prbb->y) &&
(x <= (prbb->x + prbb->cx)) && (y <= (prbb->y + prbb->cy)))
{
cx = RBBHEADERWIDTH(prbb);
if (x <= (int) (prbb->x + cx))
{
prbht->flags = RBHT_CAPTION;
if (RB_ISVERTICALGRIPPER(prb)) {
if (y - prbb->y < RB_GRABWIDTH)
prbht->flags = RBHT_GRABBER;
} else {
cx = RB_GRABWIDTH * (fVert ? g_cyBorder : g_cxBorder);
if (RBShouldDrawGripper(prb, RBGETBAND(prb, i)) &&
(x <= (int) (prbb->x + cx)))
prbht->flags = RBHT_GRABBER;
}
}
else
{
POINT pt;
pt.x = x;
pt.y = y;
if (RBBUSECHEVRON(prb, prbb) && prbb->fChevron && PtInRect(&prbb->rcChevron, pt))
prbht->flags = RBHT_CHEVRON;
else
prbht->flags = RBHT_CLIENT;
}
prbht->iBand = i;
return(i);
break;
}
}
prbht->flags = RBHT_NOWHERE;
prbht->iBand = -1;
return(-1);
}
// ----------------------------------------------------------------------------
//
// RBHitTest
//
// returns the index to the band that the given point lies in, or -1 if outside
// of all bands. Also, sets flags to indicate which part of the band the
// point lies in.
//
// ----------------------------------------------------------------------------
int RBHitTest(PRB prb, LPRBHITTESTINFO prbht)
{
BOOL fVert = (prb->ci.style & CCS_VERT);
POINT pt;
if (fVert)
{
pt.x = prbht->pt.y;
pt.y = prbht->pt.x;
}
else
pt = prbht->pt;
return _RBHitTest(prb, prbht, pt.x, pt.y);
}
// ----------------------------------------------------------------------------
//
// RBEraseBkgnd
//
// processes WM_ERASEBKGND message by drawing band borders, if necessary, and
// filling in the rebar bands with their background color
//
// ----------------------------------------------------------------------------
BOOL RBEraseBkgnd(PRB prb, HDC hdc, int iBand)
{
BOOL fVertical = (prb->ci.style & CCS_VERT);
NMCUSTOMDRAW nmcd;
LRESULT dwItemRet;
BOOL fBandBorders;
RECT rcClient;
HDC hdcMem = NULL;
UINT i;
PRBB prbb = RBGETBAND(prb, 0);
nmcd.hdc = hdc;
nmcd.uItemState = 0;
nmcd.lItemlParam = 0;
prb->ci.dwCustom = CICustomDrawNotify(&prb->ci, CDDS_PREERASE, &nmcd);
if (!(prb->ci.dwCustom & CDRF_SKIPDEFAULT))
{
COLORREF clrBk;
fBandBorders = (prb->ci.style & RBS_BANDBORDERS);
GetClientRect(prb->ci.hwnd, &rcClient);
clrBk = RB_GetBkColor(prb);
if (clrBk != CLR_NONE) {
FillRectClr(hdc, &rcClient, clrBk);
}
for (i = 0; i < prb->cBands; i++, prbb++)
{
if (prbb->fStyle & RBBS_HIDDEN)
continue;
if (fVertical)
SetRect(&nmcd.rc, prbb->y, prbb->x, prbb->y + prbb->cy, prbb->x + prbb->cx);
else
SetRect(&nmcd.rc, prbb->x, prbb->y, prbb->x + prbb->cx, prbb->y + prbb->cy);
if (fBandBorders)
{
if (prbb->x)
{
// draw etch between bands on same row
if (fVertical)
{
nmcd.rc.right += g_cxEdge / 2;
nmcd.rc.top -= g_cyEdge;
CCDrawEdge(hdc, &nmcd.rc, EDGE_ETCHED, BF_TOP, &(prb->clrsc));
nmcd.rc.right -= g_cxEdge / 2;
nmcd.rc.top += g_cyEdge;
}
else
{
nmcd.rc.bottom += g_cyEdge / 2;
nmcd.rc.left -= g_cxEdge;
CCDrawEdge(hdc, &nmcd.rc, EDGE_ETCHED, BF_LEFT, &(prb->clrsc));
nmcd.rc.bottom -= g_cyEdge / 2;
nmcd.rc.left += g_cxEdge;
}
}
else
{
// draw etch between rows
if (fVertical)
{
rcClient.right = prbb->y + prbb->cy + g_cxEdge;
CCDrawEdge(hdc, &rcClient, EDGE_ETCHED, BF_RIGHT, &(prb->clrsc));
}
else
{
rcClient.bottom = prbb->y + prbb->cy + g_cyEdge;
CCDrawEdge(hdc, &rcClient, EDGE_ETCHED, BF_BOTTOM, &(prb->clrsc));
}
}
}
nmcd.dwItemSpec = prbb->wID;
nmcd.uItemState = 0;
dwItemRet = CICustomDrawNotify(&prb->ci, CDDS_ITEMPREERASE, &nmcd);
if (!(dwItemRet & CDRF_SKIPDEFAULT))
{
if (prbb->hbmBack)
{
if (!hdcMem)
{
if (!(hdcMem = CreateCompatibleDC(hdc)))
continue;
RBRealize(prb, hdc, TRUE, FALSE);
}
SelectObject(hdcMem, prbb->hbmBack);
RBTileBlt(prb, prbb, nmcd.rc.left, nmcd.rc.top, nmcd.rc.right - nmcd.rc.left,
nmcd.rc.bottom - nmcd.rc.top, hdc, hdcMem);
}
else
{
// if the color for this band is the same as the
// rebar's default background color, then we
// don't need to paint this specially
COLORREF clr = RBB_GetBkColor(prb, prbb);
if (clr != RB_GetBkColor(prb)) {
FillRectClr(hdc, &nmcd.rc, clr);
}
}
}
if (dwItemRet & CDRF_NOTIFYPOSTERASE)
CICustomDrawNotify(&prb->ci, CDDS_ITEMPOSTERASE, &nmcd);
}
if (hdcMem)
{
DeleteDC(hdcMem);
}
}
if (prb->ci.dwCustom & CDRF_NOTIFYPOSTERASE)
{
nmcd.uItemState = 0;
nmcd.dwItemSpec = 0;
nmcd.lItemlParam = 0;
CICustomDrawNotify(&prb->ci, CDDS_POSTERASE, &nmcd);
}
return(TRUE);
}
// ----------------------------------------------------------------------------
//
// RBGetBarInfo
//
// retrieves the indicated values from the rebar's internal structure
//
// ----------------------------------------------------------------------------
BOOL RBGetBarInfo(PRB prb, LPREBARINFO lprbi)
{
if (!prb || (lprbi->cbSize != sizeof(REBARINFO)))
return(FALSE);
if (lprbi->fMask & RBIM_IMAGELIST)
lprbi->himl = prb->himl;
return(TRUE);
}
// ----------------------------------------------------------------------------
//
// RBSetBarInfo
//
// sets the indicated values in the rebar's internal structure, recalculating
// and refreshing as needed
//
// ----------------------------------------------------------------------------
BOOL RBSetBarInfo(PRB prb, LPREBARINFO lprbi)
{
if (!prb || (lprbi->cbSize != sizeof(REBARINFO)))
return(FALSE);
if (lprbi->fMask & RBIM_IMAGELIST)
{
HIMAGELIST himl = prb->himl;
UINT cxOld, cyOld;
//todo:validate lprbi->himl
prb->himl = lprbi->himl;
cxOld = prb->cxImage;
cyOld = prb->cyImage;
ImageList_GetIconSize(prb->himl, (LPINT)&prb->cxImage, (LPINT)&prb->cyImage);
if ((prb->cxImage != cxOld) || (prb->cyImage != cyOld))
{
UINT i;
for (i = 0; i < prb->cBands; i++) {
if (RBGETBAND(prb, i)->fStyle & RBBS_HIDDEN)
continue;
RBBCalcMinWidth(prb, RBGETBAND(prb, i));
}
RBResize(prb, FALSE);
}
else
RBInvalidateRect(prb, NULL);
lprbi->himl = himl;
}
return(TRUE);
}
// ----------------------------------------------------------------------------
//
// RBGetBandInfo
//
// retrieves the indicated values from the specified band's internal structure
//
// ----------------------------------------------------------------------------
BOOL RBGetBandInfo(PRB prb, UINT uBand, LPREBARBANDINFO lprbbi)
{
PRBB prbb;
if (!prb || (!RB_ISVALIDINDEX(prb, uBand)) || (lprbbi->cbSize > SIZEOF(REBARBANDINFO)))
return(FALSE);
prbb = RBGETBAND(prb, uBand);
if (lprbbi->fMask & RBBIM_SIZE) {
if (prbb->fStyle & RBBS_FIXEDSIZE)
lprbbi->cx = prbb->cx;
else
lprbbi->cx = prbb->cxRequest;
}
if (lprbbi->fMask & RBBIM_HEADERSIZE)
lprbbi->cxHeader = RBBHEADERWIDTH(prbb);
if (lprbbi->fMask & RBBIM_IDEALSIZE)
// HACKHACK: (tjgreen) Subtract the offset we added in SetBandInfo (see
// comments there).
lprbbi->cxIdeal = prbb->cxIdeal ? prbb->cxIdeal - CX_OFFSET : 0;
if (lprbbi->fMask & RBBIM_STYLE)
lprbbi->fStyle = prbb->fStyle;
if (lprbbi->fMask & RBBIM_COLORS)
{
lprbbi->clrFore = RBB_GetTextColor_External(prb, prbb);
lprbbi->clrBack = RBB_GetBkColor_External(prb, prbb);
}
if (lprbbi->fMask & RBBIM_TEXT)
{
UINT cch = prbb->lpText ? lstrlen(prbb->lpText) : 0;
if (!lprbbi->cch || !lprbbi->lpText || (lprbbi->cch <= cch))
lprbbi->cch = cch + 1;
else if (prbb->lpText)
lstrcpy(lprbbi->lpText, prbb->lpText);
else
// no text -- so just make it an empty string
lprbbi->lpText[0] = 0;
}
if (lprbbi->fMask & RBBIM_IMAGE)
lprbbi->iImage = prbb->iImage;
if (lprbbi->fMask & RBBIM_CHILD)
lprbbi->hwndChild = prbb->hwndChild;
if (lprbbi->fMask & RBBIM_CHILDSIZE)
{
// HACKHACK: (tjgreen) Subtract the offset we added in SetBandInfo (see
// comments there).
lprbbi->cxMinChild = prbb->cxMinChild ? prbb->cxMinChild - CX_OFFSET : 0;
lprbbi->cyMinChild = prbb->cyMinChild;
if (prbb->fStyle & RBBS_VARIABLEHEIGHT) {
lprbbi->cyIntegral = prbb->cyIntegral;
lprbbi->cyMaxChild = prbb->cyMaxChild;
lprbbi->cyChild = prbb->cyChild;
}
}
if (lprbbi->fMask & RBBIM_BACKGROUND)
lprbbi->hbmBack = prbb->hbmBack;
if (lprbbi->fMask & RBBIM_ID)
lprbbi->wID = prbb->wID;
if (lprbbi->fMask & RBBIM_LPARAM)
lprbbi->lParam = prbb->lParam;
return(TRUE);
}
BOOL RBValidateBandInfo(LPREBARBANDINFO *pprbbi, LPREBARBANDINFO prbbi)
{
BOOL fRet = ((*pprbbi)->cbSize == sizeof(REBARBANDINFO));
if (!fRet) {
if ((*pprbbi)->cbSize < SIZEOF(REBARBANDINFO)) {
hmemcpy(prbbi, (*pprbbi), (*pprbbi)->cbSize);
(*pprbbi) = prbbi;
prbbi->cbSize = SIZEOF(REBARBANDINFO);
fRet = TRUE;
}
}
return fRet;
}
// ----------------------------------------------------------------------------
//
// RBSetBandInfo
//
// sets the indicated values in the specified band's internal structure,
// recalculating and refreshing as needed
//
// ----------------------------------------------------------------------------
BOOL RBSetBandInfo(PRB prb, UINT uBand, LPREBARBANDINFO lprbbi, BOOL fAllowRecalc)
{
PRBB prbb;
BOOL fRefresh = FALSE;
BOOL fRecalc = FALSE;
BOOL fRecalcMin = FALSE;
BOOL fTextChanged = FALSE;
REBARBANDINFO rbbi = {0};
RECT rc;
if (!prb || (!RB_ISVALIDINDEX(prb, uBand)) ||
!RBValidateBandInfo(&lprbbi, &rbbi))
return(FALSE);
prbb = RBGETBAND(prb, uBand);
if (lprbbi->fMask & RBBIM_TEXT)
{
if (!lprbbi->lpText || !prbb->lpText || lstrcmp(lprbbi->lpText, prbb->lpText))
{
if (lprbbi->lpText != prbb->lpText) {
Str_Set(&prbb->lpText, lprbbi->lpText);
fTextChanged = TRUE;
}
}
}
if (lprbbi->fMask & RBBIM_STYLE)
{
UINT fStylePrev = prbb->fStyle;
UINT fChanged = lprbbi->fStyle ^ fStylePrev;
prbb->fStyle = lprbbi->fStyle;
if (fChanged)
fRecalc = TRUE;
if ((prbb->fStyle & RBBS_FIXEDSIZE) && !(fStylePrev & RBBS_FIXEDSIZE))
prbb->cxMin = prbb->cx;
else if (fChanged & RBBS_FIXEDSIZE)
fRecalcMin = TRUE;
if (fChanged & RBBS_GRIPPERALWAYS)
fRecalcMin = TRUE;
if (fChanged & RBBS_HIDDEN)
RBShowBand(prb, uBand, !(prbb->fStyle & RBBS_HIDDEN));
if (fChanged & RBBS_HIDETITLE)
fTextChanged = TRUE;
// can't have both of these
if (prbb->fStyle & RBBS_FIXEDSIZE)
prbb->fStyle &= ~RBBS_BREAK;
}
// RBBIM_TEXT does calculations that want to take some RBBIM_STYLE bits
// into account, so delay those calculations until we grab the style bits.
//
if (fTextChanged && !(prbb->fStyle & RBBS_HIDDEN))
{
if (RBBCalcTextExtent(prb, prbb, NULL))
fRecalc = TRUE;
else
fRefresh = TRUE;
}
if (lprbbi->fMask & RBBIM_IDEALSIZE)
{
// HACKHACK: (tjgreen) Add an offset to the width the caller specifies.
// This offset gets clipped off in RBResizeChildren, so the child window is
// rendered with the width specified by caller, and we get a little space on
// the toolbar after the buttons. If caller specifies zero-width, though,
// we don't want this extra space, so don't add offset.
int cxIdeal = lprbbi->cxIdeal ? lprbbi->cxIdeal + CX_OFFSET : 0;
if (cxIdeal != prbb->cxIdeal) {
prbb->cxIdeal = cxIdeal;
fRecalcMin = TRUE;
fRecalc = TRUE;
}
}
if (lprbbi->fMask & RBBIM_SIZE)
{
if (prbb->cxRequest != (int) lprbbi->cx)
{
fRecalc = TRUE;
prbb->cxRequest = (int) lprbbi->cx;
}
if (prbb->fStyle & RBBS_FIXEDSIZE)
prbb->cxMin = prbb->cxRequest;
}
if (lprbbi->fMask & RBBIM_HEADERSIZE)
{
if ((lprbbi->cxHeader == -1) ||
!(prbb->fStyle & RBBS_FIXEDHEADERSIZE) ||
((UINT)prbb->cxMin != lprbbi->cxHeader + prbb->cxMinChild)) {
if (lprbbi->cxHeader == -1) {
prbb->fStyle &= ~RBBS_FIXEDHEADERSIZE;
fRecalcMin = TRUE;
} else {
prbb->fStyle |= RBBS_FIXEDHEADERSIZE;
prbb->cxMin = lprbbi->cxHeader + prbb->cxMinChild;
}
fRecalc = TRUE;
fRefresh = TRUE;
}
}
if (lprbbi->fMask & RBBIM_COLORS)
{
prbb->clrFore = lprbbi->clrFore;
prbb->clrBack = lprbbi->clrBack;
fRefresh = TRUE;
}
if ((lprbbi->fMask & RBBIM_IMAGE) && (prbb->iImage != lprbbi->iImage))
{
BOOL fToggleBmp = ((prbb->iImage == -1) || (lprbbi->iImage == -1));
prbb->iImage = lprbbi->iImage;
if (fToggleBmp)
{
fRecalc = TRUE;
fRecalcMin = TRUE;
}
else
fRefresh = TRUE;
}
if (lprbbi->fMask & RBBIM_CHILD &&
lprbbi->hwndChild != prbb->hwndChild &&
(NULL == lprbbi->hwndChild ||
!IsChild(lprbbi->hwndChild, prb->ci.hwnd)))
{
if (IsWindow(prbb->hwndChild))
ShowWindow(prbb->hwndChild, SW_HIDE);
prbb->hwndChild = lprbbi->hwndChild;
if (prbb->hwndChild)
{
SetParent(prbb->hwndChild, prb->ci.hwnd);
ShowWindow(prbb->hwndChild, SW_SHOW);
}
fRecalc = TRUE;
}
if (lprbbi->fMask & RBBIM_CHILDSIZE)
{
UINT cyChildOld = prbb->cyChild;
if (lprbbi->cyMinChild != -1)
prbb->cyMinChild = lprbbi->cyMinChild;
if (prbb->fStyle & RBBS_VARIABLEHEIGHT) {
if (lprbbi->cyIntegral != -1)
prbb->cyIntegral = lprbbi->cyIntegral;
if (lprbbi->cyMaxChild != -1)
prbb->cyMaxChild = lprbbi->cyMaxChild;
if (lprbbi->cyChild != -1)
prbb->cyChild = lprbbi->cyChild;
if (prbb->cyChild < prbb->cyMinChild)
prbb->cyChild = prbb->cyMinChild;
if (prbb->cyChild > prbb->cyMaxChild)
prbb->cyChild = prbb->cyMaxChild;
// validate the child size. cyChild must be cyMinChild plux n*cyIntegral
if (prbb->cyIntegral) {
int iExtra;
iExtra = (prbb->cyChild - prbb->cyMinChild) % prbb->cyIntegral;
prbb->cyChild -= iExtra;
}
} else {
// if we're not in variable height mode, then
// the cyChild is the same as cyMinChild.
// this is a little peculiar, but done this way for backcompat.
// cyMinChild came before cyChild
prbb->cyChild = lprbbi->cyMinChild;
}
if (lprbbi->cxMinChild != (UINT)-1) {
// HACKHACK: (tjgreen) Add an offset to the width the caller specifies.
// This offset gets clipped off in RBResizeChildren, so the child window is
// rendered with the width specified by caller, and we get a little space on
// the toolbar after the buttons. However, if caller specifies zero-width or
// if the band is fixed size, we don't want this extra space, so don't add offset.
UINT cxMinChild = lprbbi->cxMinChild;
if ((lprbbi->cxMinChild != 0) && !(prbb->fStyle & RBBS_FIXEDSIZE))
cxMinChild += CX_OFFSET;
if (prbb->cxMinChild != cxMinChild) {
int cxOldHeaderMin = RBBHEADERWIDTH(prbb);
if (prbb->fStyle & RBBS_FIXEDSIZE)
fRecalc = TRUE;
prbb->cxMinChild = cxMinChild;
if (prbb->fStyle & RBBS_FIXEDHEADERSIZE)
prbb->cxMin = cxOldHeaderMin + prbb->cxMinChild;
fRecalcMin = TRUE;
}
if (cyChildOld != prbb->cyChild) {
// TODO: revisit optimization:
// if (RBBGetHeight(prb, prbb) != (UINT) prbb->cy)
fRecalc = TRUE;
}
}
}
if (lprbbi->fMask & RBBIM_BACKGROUND)
{
DIBSECTION dib;
if (lprbbi->hbmBack && !GetObject(lprbbi->hbmBack, sizeof(DIBSECTION), &dib))
return(FALSE);
prbb->hbmBack = lprbbi->hbmBack;
prbb->cxBmp = dib.dsBm.bmWidth;
prbb->cyBmp = dib.dsBm.bmHeight;
fRefresh = TRUE;
}
if (lprbbi->fMask & RBBIM_ID)
prbb->wID = lprbbi->wID;
if (lprbbi->fMask & RBBIM_LPARAM)
prbb->lParam = lprbbi->lParam;
if (fRecalcMin && !(prbb->fStyle & RBBS_HIDDEN))
RBBCalcMinWidth(prb, prbb);
if (fAllowRecalc) {
if (fRecalc)
RBResize(prb, FALSE);
if (fRefresh || fRecalc)
{
// '|| fRecalc' so we catch add/grow of text.
// testcase: remove title from band; add back; make sure the text
// shows up (used to just leave old band contents there)
SetRect(&rc, prbb->x, prbb->y, prbb->x + prbb->cx, prbb->y + prbb->cy);
RBInvalidateRect(prb, &rc);
}
}
return(TRUE);
}
// ----------------------------------------------------------------------------
//
// RBReallocBands
//
// reallocates the array of bands pointed to by prb->rbbList to the given
// number of bands
//
// ----------------------------------------------------------------------------
BOOL RBReallocBands(PRB prb, UINT cBands)
{
PRBB rbbList;
if (!(rbbList = (PRBB) CCLocalReAlloc(prb->rbbList, sizeof(RBB) * cBands)) && cBands)
return(FALSE);
prb->rbbList = rbbList;
return(TRUE);
}
//
// NOTES
// for now caller does this in two calls (query, set). eventually we
// should be able to have it do everything up front.
RBRecalcFirst(int nCmd, PRB prb, PRBB prbbDelHide)
{
switch (nCmd) {
case RBC_QUERY:
{
BOOL fRecalcFirst;
// if we're nuking the 1st visible guy,
// and there are visible guys after us,
// then we need to recompute stuff
//
// for a testcase, start w/:
// row1: 'standard buttons' + 'brand'
// row2: 'address' + 'links'
// now hide 'standard buttons', you should end up w/:
// row1: 'address' + 'links' + 'brand'
// if there's a bug, you'll end up w/ (since the break isn't recomputed):
// row1: 'brand'
// row2: 'address' + 'links'
// fRecalcFirst = (!uBand && prb->cBands);
// if brbbDelHide is the first non-hidden band, and there are other non-hidden bands after it, fRecalcFirst = TRUE;
fRecalcFirst = (RBEnumBand(prb, 0, RBBS_HIDDEN) == prbbDelHide) &&
(RBGetNextVisible(prb, prbbDelHide) <= RB_GETLASTBAND(prb));
return fRecalcFirst;
}
case RBC_SET: // set
{
PRBB prbb1, prbb2;
prbb1 = RBEnumBand(prb, 0, RBBS_HIDDEN);
if ((prbb1->fStyle & RBBS_FIXEDSIZE)
&& (prbb2 = RBEnumBand(prb, 1, RBBS_HIDDEN)) <= RB_GETLASTBAND(prb)) {
// get rid of line break on NEW first item
prbb2->fStyle &= ~RBBS_BREAK;
}
if (prb->ci.style & RBS_FIXEDORDER) {
// BUGBUG not sure what this does...
// this is because the min width is now based on it's movability --
// and since we are deleting (or hiding) the first item,
// the new first item becomes immovable
RBBCalcMinWidth(prb, prbb1);
}
return TRUE;
}
default:
ASSERT(0);
}
return FALSE;
}
// ----------------------------------------------------------------------------
//
// RBShowBand
//
// updates show/hide state for the indicated band in the rebar's band array
// (rbbList).
//
// ----------------------------------------------------------------------------
BOOL RBShowBand(PRB prb, UINT uBand, BOOL fShow)
{
PRBB prbb;
BOOL fRecalcFirst;
if (!prb || (!RB_ISVALIDINDEX(prb, uBand)))
return(FALSE);
prbb = RBGETBAND(prb, uBand);
// if we're nuking the 1st visible guy,
// then we need to recompute stuff
fRecalcFirst = RBRecalcFirst(RBC_QUERY, prb, prbb);
if (fShow)
{
prbb->fStyle &= ~RBBS_HIDDEN;
if (!RBBCalcTextExtent(prb, prbb, NULL))
RBBCalcMinWidth(prb, prbb);
if (prbb->hwndChild)
ShowWindow(prbb->hwndChild, SW_SHOW);
}
else
{
prbb->fStyle |= RBBS_HIDDEN;
if (prbb->hwndChild)
ShowWindow(prbb->hwndChild, SW_HIDE);
}
if (fRecalcFirst)
RBRecalcFirst(RBC_SET, prb, NULL);
RBInvalidateRect(prb, NULL);
RBResize(prb, FALSE);
RBAutoSize(prb);
return(TRUE);
}
// ----------------------------------------------------------------------------
//
// RBDeleteBand
//
// deletes the indicated band from the rebar's band array (rbbList) and
// decrements the rebar's band count (cBands)
//
// ----------------------------------------------------------------------------
BOOL RBDeleteBand(PRB prb, UINT uBand)
{
PRBB prbb;
PRBB prbbStop;
BOOL fRecalcFirst;
NMREBAR nm = {0};
ASSERT(prb);
// we need to clean up
//
// a) captured band and
// b) hottracked band
//
// before we delete this band
if (prb->iCapture != -1) {
RBSendNotify(prb, prb->iCapture, RBN_ENDDRAG);
RBOnBeginDrag(prb, (UINT)-1);
}
if (!RB_ISVALIDINDEX(prb, uBand))
return FALSE;
prbb = RBGETBAND(prb, uBand);
// Notify the client of the delete
RBSendNotify(prb, uBand, RBN_DELETINGBAND);
nm.dwMask = RBNM_ID;
nm.wID = RBGETBAND(prb, uBand)->wID; // Save this
Str_Set(&prbb->lpText, NULL);
// don't destroy the hbmBack 'cause it's given to us by app
// if we're nuking the 1st visible guy,
// then we need to recompute stuff
// if this is the first visible guy and there are other visible bands after it, fRecalcFirst = TRUE
fRecalcFirst = RBRecalcFirst(RBC_QUERY, prb, prbb);
if (IsWindow(prbb->hwndChild))
ShowWindow(prbb->hwndChild, SW_HIDE);
// prbbStop gets the address of the last band
prbbStop = RB_GETLASTBAND(prb);
for ( ; prbb < prbbStop; prbb++)
*prbb = *(prbb + 1);
prb->cBands--;
if (prb->uResizeNext >= uBand && prb->uResizeNext > 0) {
// (defer RBBS_HIDDEN stuff to use of uResizeNext)
prb->uResizeNext--;
}
// Notify the client of the delete
CCSendNotify(&prb->ci, RBN_DELETEDBAND, &nm.hdr);
if (fRecalcFirst)
RBRecalcFirst(RBC_SET, prb, NULL);
RBReallocBands(prb, prb->cBands);
RBInvalidateRect(prb, NULL);
RBResize(prb, FALSE);
RBAutoSize(prb);
return(TRUE);
}
// ----------------------------------------------------------------------------
//
// RBInsertBand
//
// inserts a new band at the given position in the rebar's band array (rbbList),
// increments the rebar's band count (cBands), and sets the band's structure
// based on the given REBARBANDINFO structure.
//
// ----------------------------------------------------------------------------
BOOL RBInsertBand(PRB prb, UINT uBand, LPREBARBANDINFO lprbbi)
{
PRBB prbb;
REBARBANDINFO rbbi = {0};
if (!prb || !RBValidateBandInfo(&lprbbi, &rbbi))
return(FALSE);
if (uBand == -1)
uBand = prb->cBands;
else if (uBand > prb->cBands)
return(FALSE);
if (!RBReallocBands(prb, prb->cBands + 1))
return(FALSE);
++prb->cBands;
MoveMemory(RBGETBAND(prb, uBand + 1), RBGETBAND(prb, uBand), (prb->cBands-1-uBand) * sizeof(prb->rbbList[0]));
prbb = RBGETBAND(prb, uBand);
// movememory does not zero init for us...
ZeroMemory(prbb, SIZEOF(RBB));
// Init text color
if (prb->clrText == CLR_NONE)
{
// Default to system text color
prbb->clrFore = CLR_DEFAULT;
}
else
{
// Default to rebar's custom text color
prbb->clrFore = CLR_NONE;
}
// Init background color
if (prb->clrBk == CLR_NONE)
{
// Default to system background color
prbb->clrBack = CLR_DEFAULT;
}
else
{
// Default to rebar's custom background color
prbb->clrBack = CLR_NONE;
}
prbb->iImage = -1;
prbb->cyMaxChild = MAXINT;
prbb->wChevState = DCHF_INACTIVE;
ASSERT(prbb->fStyle == 0);
ASSERT(prbb->lpText == NULL);
ASSERT(prbb->cxText == 0);
ASSERT(prbb->hwndChild == NULL);
ASSERT(prbb->cxMinChild == 0);
ASSERT(prbb->cyMinChild == 0);
ASSERT(prbb->hbmBack == 0);
ASSERT(prbb->x == 0);
ASSERT(prbb->y == 0);
ASSERT(prbb->cx == 0);
ASSERT(prbb->cy == 0);
if (!RBSetBandInfo(prb, uBand, lprbbi, FALSE))
{
RBDeleteBand(prb, uBand);
return(FALSE);
}
if (!(prbb->fStyle & RBBS_HIDDEN)) {
PRBB prbbFirst = RBEnumBand(prb, 0, RBBS_HIDDEN);
if (!prbb->cxMin)
RBBCalcMinWidth(prb, prbb);
if (prbbFirst != prbb) {
int cxMin = prbbFirst->cxMin;
RBBCalcMinWidth(prb, prbbFirst);
}
RBResize(prb, FALSE);
}
RBSizeBandToRowHeight(prb, uBand, (UINT)-1);
if (RBCountBands(prb, RBBS_HIDDEN) == 1) {
// typcially, when you insert a band, we put it in a row with another band.
// thus the total bounding rect doesn't change. however, on the addition of the first band,
// the bound rect does change, so we need to autosize as necessary.
RBAutoSize(prb);
}
return(TRUE);
}
#pragma code_seg(CODESEG_INIT)
LRESULT CALLBACK ReBarWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
BOOL InitReBarClass(HINSTANCE hInstance)
{
WNDCLASS wc;
if (!GetClassInfo(hInstance, c_szReBarClass, &wc))
{
#ifndef WIN32
extern LRESULT CALLBACK _ReBarWndProc(HWND, UINT, WPARAM, LPARAM);
wc.lpfnWndProc = _ReBarWndProc;
#else
wc.lpfnWndProc = ReBarWndProc;
#endif
wc.lpszClassName= c_szReBarClass;
wc.style = CS_GLOBALCLASS | CS_DBLCLKS;
wc.cbClsExtra = 0;
wc.cbWndExtra = sizeof(PRB);
wc.hInstance = hInstance; // use DLL instance if in DLL
wc.hIcon = NULL;
wc.hCursor = NULL;
wc.hbrBackground= (HBRUSH)(COLOR_BTNFACE + 1);
wc.lpszMenuName = NULL;
if (!RegisterClass(&wc))
return(FALSE);
}
return(TRUE);
}
#pragma code_seg()
// get the first band in the same row as rbbRow
// n.b. we may return an RBBS_HIDDEN band!
PRBB RBGetFirstInRow(PRB prb, PRBB prbbRow)
{
// n.b. we don't pay attention to hidden here, that's up to caller.
// in fact we *can't*, since there might be no non-hidden guys left
// (e.g. when RBDestroy is deleting all the bands), in which case
// we'd loop forever.
while (prbbRow > RBGETBAND(prb, 0) && !RBISBANDSTARTOFROW(prbbRow)) {
RBCheckRangePtr(prb, prbbRow);
prbbRow--;
}
return prbbRow;
}
// get the last band in the same row as rbbRow.
// fStopAtFixed says whether to continue over fixed bands or
// stop at them
// n.b. we may return an RBBS_HIDDEN band!
PRBB RBGetLastInRow(PRB prb, PRBB prbbRow, BOOL fStopAtFixed)
{
do {
prbbRow++;
} while (prbbRow <= RB_GETLASTBAND(prb) && !RBISBANDSTARTOFROW(prbbRow) &&
(!fStopAtFixed || (prbbRow->fStyle & (RBBS_FIXEDSIZE|RBBS_HIDDEN)) == RBBS_FIXEDSIZE));
// loop steps to the start of the NEXT line
prbbRow--;
return prbbRow;
}
#ifdef DEBUG
BOOL RBCheckRangePtr(PRB prb, PRBB prbb)
{
if (prbb < RBGETBAND(prb, 0)) {
ASSERT(0);
return FALSE;
}
if (RB_GETLASTBAND(prb) + 1 < prbb) {
// +1 to allow for "p = first; p < last+1; p++" kinds of loops
ASSERT(0);
return FALSE;
}
return TRUE;
}
BOOL RBCheckRangeInd(PRB prb, INT_PTR i)
{
if (i < 0) {
ASSERT(0);
return FALSE;
}
if ((int) prb->cBands < i) {
// +1 to allow for "p = first; p < last+1; p++" kinds of loops
ASSERT(0);
return FALSE;
}
return TRUE;
}
#endif
//*** RBGetPrev, RBGetNext -- get prev (next) band, skipping guys
// of style uStyleSkip (e.g. RBBS_HIDDEN)
PRBB RBGetPrev(PRB prb, PRBB prbb, UINT uStyleSkip)
{
while (--prbb >= RBGETBAND(prb, 0)) {
if (prbb->fStyle & uStyleSkip)
continue;
break;
}
return prbb;
}
// when called with prbb=lastband, returns prbb++
// which is one past the end...
PRBB RBGetNext(PRB prb, PRBB prbb, UINT uStyleSkip)
{
while (++prbb <= RB_GETLASTBAND(prb)) {
if (prbb->fStyle & uStyleSkip)
continue;
break;
}
return prbb;
}
// this returns NULL when it hits the end
PRBB RBBNextVisible(PRB prb, PRBB prbb)
{
prbb = RBGetNextVisible(prb, prbb);
if (prbb > RB_GETLASTBAND(prb))
return NULL;
return prbb;
}
// this returns null when it hits the end
PRBB RBBPrevVisible(PRB prb, PRBB prbb)
{
prbb = RBGetPrevVisible(prb, prbb);
if (prbb < prb->rbbList)
return NULL;
return prbb;
}
//*** RBCountBands -- get count of bands, skipping guys
// of style uStyleSkip (e.g. RBBS_HIDDEN)
int RBCountBands(PRB prb, UINT uStyleSkip)
{
int i;
PRBB prbb;
if (prb->cBands == 0)
return 0;
i = 0;
for (prbb = RBGETBAND(prb, 0); prbb <= RB_GETLASTBAND(prb); prbb++) {
if (prbb->fStyle & uStyleSkip)
continue;
i++;
}
return i;
}
//*** RBEnumBand -- get Nth band, skipping guys
// of style uStyleSkip (e.g. RBBS_HIDDEN)
// 'skipping' means don't include in count
PRBB RBEnumBand(PRB prb, int i, UINT uStyleSkip)
{
PRBB prbb;
for (prbb = RBGETBAND(prb, 0); prbb <= RB_GETLASTBAND(prb); prbb++) {
if (prbb->fStyle & uStyleSkip)
continue;
if (i-- == 0)
break;
}
// if we found it, this is the band;
// if we ran out of bands, this is 1 past the end
return prbb;
}
// returns the minimum x position prbb can be
int RBMinX(PRB prb, PRBB prbb)
{
int xLimit = 0;
ASSERT(!(prbb->fStyle & RBBS_HIDDEN)); // o.w. might loop forever
while (!RBISBANDSTARTOFROW(prbb))
{
prbb--;
if (!(prbb->fStyle & RBBS_HIDDEN))
xLimit += _RBBandWidth(prb, prbb->cxMin);
}
return xLimit;
}
int RBMaxX(PRB prb, PRBB prbb)
{
PRBB prbbLast = prb->rbbList + prb->cBands;
int xLimit = 0;
PRBB prbbWalk;
for (prbbWalk = prbb; prbbWalk < prbbLast; prbbWalk++) {
if (prbbWalk->fStyle & RBBS_HIDDEN)
continue;
if (RBISBANDSTARTOFROW(prbbWalk))
break;
if (prbbWalk != prbb)
xLimit += _RBBandWidth(prb, prbbWalk->cxMin);
else
xLimit += prbbWalk->cxMin;
}
prbbWalk = RBGetPrevVisible(prb, prbbWalk); // prbbWalk--;
xLimit = prbbWalk->x + prbbWalk->cx - xLimit;
return xLimit;
}
PRBB RBGetPrevVisible(PRB prb, PRBB prbb)
{
return RBGetPrev(prb, prbb, RBBS_HIDDEN);
}
PRBB RBGetNextVisible(PRB prb, PRBB prbb)
{
return RBGetNext(prb, prbb, RBBS_HIDDEN);
}
BOOL RBMinimizeBand(PRB prb, UINT uBand, BOOL fAnim)
{
PRBB prbb;
if (!RB_ISVALIDINDEX(prb, uBand))
return FALSE;
prbb=RBGETBAND(prb,uBand);
if (prbb->fStyle & RBBS_FIXEDSIZE)
return FALSE;
ASSERT(!(prbb->fStyle & RBBS_HIDDEN));
if (RBISBANDSTARTOFROW(prbb)) {
// if it's the start of a row, the way to minimize it is to maximize the next guy
// if it's on the same row
prbb = RBGetNextVisible(prb, prbb);
if (prbb > RB_GETLASTBAND(prb) || RBISBANDSTARTOFROW(prbb))
return FALSE;
return RBMaximizeBand(prb, RBBANDTOINDEX(prb,prbb), FALSE, fAnim);
}
if (fAnim)
return RBSetBandPosAnim(prb, prbb, prbb->x + (prbb->cx - prbb->cxMin));
else
return RBSetBandPos(prb, prbb, prbb->x + (prbb->cx - prbb->cxMin));
}
// fIdeal - FALSE == full maximization...
// TRUE == go to cxIdeal
// fAnim - TRUE means we were called due to UI action (via RBToggleBand), so animate
BOOL RBMaximizeBand(PRB prb, UINT uBand, BOOL fIdeal, BOOL fAnim)
{
int x, dx;
BOOL fChanged = FALSE;
PRBB prbbMaximize;
if (!RB_ISVALIDINDEX(prb, uBand))
return FALSE;
prbbMaximize = RBGETBAND(prb,uBand);
if (prbbMaximize->fStyle & RBBS_FIXEDSIZE)
return FALSE;
dx = prbbMaximize->cxIdeal + RBBHEADERWIDTH(prbbMaximize) - prbbMaximize->cx;
if (fIdeal && dx > 0)
{
PRBB prbb;
// first move the next guy over if possible.
prbb = RBBNextVisible(prb, prbbMaximize);
if (prbb && (!RBISBANDSTARTOFROW(prbb)))
{
int dxRbb;
x = RBMaxX(prb, prbb);
// dxRbb is the maximum that prbb can move
dxRbb = x - prbb->x;
if (dxRbb > dx) {
// if that's more than enough space, then limit dx
dxRbb = dx;
}
x = prbb->x + dxRbb;
fChanged |= (fAnim)?RBSetBandPosAnim(prb, prbb, x):RBSetBandPos(prb,prbb,x);
dx -= dxRbb;
}
if (dx) {
int dxRbb;
// the one on the right didn't move enough.
// now move us back
x = RBMinX(prb, prbbMaximize);
dxRbb = prbbMaximize->x - x;
if (dxRbb > dx) {
x = prbbMaximize->x - dx;
}
fChanged |= (fAnim)?RBSetBandPosAnim(prb, prbbMaximize, x):RBSetBandPos(prb, prbbMaximize, x);
}
} else {
x = RBMinX(prb, prbbMaximize);
fChanged |= (fAnim)?RBSetBandPosAnim(prb, prbbMaximize, x):RBSetBandPos(prb, prbbMaximize, x);
prbbMaximize = RBBNextVisible(prb, prbbMaximize);
if (prbbMaximize && !RBISBANDSTARTOFROW(prbbMaximize)) {
x = RBMaxX(prb, prbbMaximize);
fChanged |= (fAnim)?RBSetBandPosAnim(prb, prbbMaximize, x):RBSetBandPos(prb, prbbMaximize, x);
}
}
return fChanged;
}
// ----------------------------------------------------------------------------
//
// RBToggleBand
//
// switches a band between it's maximized and minimized state, based on where
// the user clicked
//
// ----------------------------------------------------------------------------
void RBToggleBand(PRB prb, BOOL fAnim)
{
BOOL fDidSomething = FALSE;
// try to maximize this band. if failed (meaning already maximize)
// then minimize
if (CCSendNotify(&prb->ci, RBN_MINMAX, NULL))
return;
fDidSomething = RBMaximizeBand(prb, prb->iCapture, TRUE,fAnim);
if (!fDidSomething)
fDidSomething = RBMinimizeBand(prb, prb->iCapture,fAnim);
if (fDidSomething)
CCPlaySound(TEXT("ShowBand"));
}
// ----------------------------------------------------------------------------
//
// RBSetCursor
//
// sets the cursor to either the move cursor or the arrow cursor, depending
// on whether or not the cursor is on a band's caption
//
// ----------------------------------------------------------------------------
void RBSetCursor(PRB prb, int x, int y, BOOL fMouseDown)
{
int iBand;
RBHITTESTINFO rbht;
rbht.pt.x = x;
rbht.pt.y = y;
iBand = RBHitTest(prb, &rbht);
if (rbht.flags == RBHT_GRABBER)
{
if (fMouseDown)
SetCursor(LoadCursor(HINST_THISDLL, (prb->ci.style & CCS_VERT) ? MAKEINTRESOURCE(IDC_DIVOPENV) : MAKEINTRESOURCE(IDC_DIVOPEN) ));
else
SetCursor(LoadCursor(NULL, (prb->ci.style & CCS_VERT) ? IDC_SIZENS : IDC_SIZEWE));
return;
}
if ((fMouseDown) && ((rbht.flags == RBHT_GRABBER) || (rbht.flags == RBHT_CAPTION) && RBShouldDrawGripper(prb, RBGETBAND(prb, iBand))))
{
// No longer IE3 compatible, per RichSt
SetCursor(LoadCursor(NULL, IDC_SIZEALL));
return;
}
SetCursor(LoadCursor(NULL, IDC_ARROW));
}
// adjust's a band's (prbb) starting location to the given location
BOOL RBSetBandPos(PRB prb, PRBB prbb, int xLeft)
{
RECT rc;
PRBB prbbPrev;
int xRight;
BOOL fBandBorders = (prb->ci.style & RBS_BANDBORDERS);
BOOL fRight;
ASSERT(!(prbb->fStyle & RBBS_HIDDEN));
ASSERT((xLeft >= 0)); // We've got problems if someone is trying to set us negative
if (prbb->x == xLeft)
return(FALSE);
prbbPrev = RBGetPrevVisible(prb, prbb);
// band has moved within valid range -- adjust band sizes and redraw
// window
fRight = (prbb->x < xLeft);
SetRect(&rc, prbb->x, prbb->y, prbb->x + prbb->cxMin, prbb->y + prbb->cy);
xRight = prbb->x + prbb->cx;
prbb->x = xLeft;
prbb->cx = xRight - xLeft;
prbb->cxRequest = prbb->cx;
if (fRight)
{
//moving right
prbbPrev->cx = prbb->x - prbbPrev->x;
if (fBandBorders)
{
prbbPrev->cx -= g_cxEdge;
rc.left -= g_cxEdge;
}
prbbPrev->cxRequest = prbbPrev->cx;
//check for compacting of following bands
while (prbb->cx < prbb->cxMin)
{
prbb->cx = prbb->cxMin;
prbb->cxRequest = prbb->cx;
xLeft += RBBANDWIDTH(prb, prbb);
prbb = RBGetNextVisible(prb, prbb); // prbb++;
xRight = prbb->x + prbb->cx;
prbb->x = xLeft;
prbb->cx = xRight - xLeft;
prbb->cxRequest = prbb->cx;
}
rc.right = xLeft + prbb->cxMin;
}
else
{
//moving left
//check for compacting of preceding bands
CompactPrevious:
if (fBandBorders)
xLeft -= g_cxEdge;
prbbPrev->cx = xLeft - prbbPrev->x;
prbbPrev->cxRequest = prbbPrev->cx;
if (prbbPrev->cx < prbbPrev->cxMin)
{
prbbPrev->x = xLeft - prbbPrev->cxMin;
prbbPrev->cx = prbbPrev->cxMin;
prbbPrev->cxRequest = prbbPrev->cx;
xLeft = prbbPrev->x;
prbbPrev = RBGetPrevVisible(prb, prbbPrev); // prbbPrev--
goto CompactPrevious;
}
rc.left = xLeft;
}
if (fBandBorders)
rc.bottom += g_cyEdge / 2;
RBResizeChildren(prb);
if (RBInvalidateRect(prb, &rc))
UpdateWindow(prb->ci.hwnd);
return(TRUE);
}
BOOL RBSetBandPosAnim(PRB prb, PRBB prbb, int xLeft)
{
int ctr=0,dx, xCur = prbb->x;
DWORD dwStartTime;
if (xCur == xLeft)
return FALSE;
dwStartTime=GetTickCount();
dx = (xLeft - xCur)/RB_ANIMSTEPS;
if (dx != 0)
{
if (xCur < xLeft) {
// move right
for (; xCur < (xLeft-dx); ctr++,xCur += dx) {
RBSetBandPos(prb, prbb, xCur);
// If something caused us to take more than 10 times the time we
// should be, break out, and let the final RBSetBandPos finish
if (GetTickCount() > (dwStartTime + 10*RB_ANIMSTEPS*RB_ANIMSTEPTIME))
break;
Sleep(RB_ANIMSTEPTIME);
// Start slowing us down 80% of the way through
// Cut speed by 2/3 each time, but never move less than 4 pixels
if ((ctr >= 4*RB_ANIMSTEPS/5) && (dx >= 4))
dx = 2*dx/3;
}
}
else {
// move left
for (; xCur > (xLeft-dx); ctr++, xCur += dx) {
RBSetBandPos(prb, prbb, xCur);
if (GetTickCount() > (dwStartTime + 10*RB_ANIMSTEPS*RB_ANIMSTEPTIME))
break;
Sleep(RB_ANIMSTEPTIME);
if ((ctr >= 4*RB_ANIMSTEPS/5) && (dx <= -4))
dx = 2*dx/3;
}
}
}
RBSetBandPos(prb, prbb, xLeft);
return TRUE;
}
// ----------------------------------------------------------------------------
//
// RBDragSize
//
// adjust the captured band's starting location to the given location and
// redraw
//
// ----------------------------------------------------------------------------
BOOL RBDragSize(PRB prb, int xLeft)
{
return RBSetBandPos(prb, RBGETBAND(prb, prb->iCapture), xLeft);
}
void RBOnBeginDrag(PRB prb, UINT uBand)
{
prb->iCapture = (int)uBand;
prb->ptLastDragPos.x = -1;
prb->ptLastDragPos.y = -1;
if (prb->iCapture == -1) {
// aborting drag
prb->fParentDrag = FALSE;
prb->fFullOnDrag = FALSE;
// we could have unwrapped rows, in which case, we need to grow bands (but not wrap)
// to fill the empty space.
if (prb->ci.style & RBS_AUTOSIZE) {
RBSizeBandsToRect(prb, NULL);
RBSizeBandsToRowHeight(prb);
}
} else {
prb->fParentDrag = TRUE;
prb->fFullOnDrag = TRUE;
}
}
int minmax(int x, int min, int max)
{
x = max(x, min);
x = min(x, max);
return x;
}
// pass the break bit along
void RBPassBreak(PRB prb, PRBB prbbSrc, PRBB prbbDest)
{
if (prbbSrc->fStyle & RBBS_BREAK) {
prbbSrc->fStyle &= ~RBBS_BREAK;
if (prbbDest)
prbbDest->fStyle |= RBBS_BREAK;
}
}
void RBGetClientRect(PRB prb, LPRECT prc)
{
GetClientRect(prb->ci.hwnd, prc);
if (prb->ci.style & CCS_VERT)
FlipRect(prc);
}
//tells if prbb is the first band and the next band is fixed.
// if this is true then we need to do a recalc if we move prbb
BOOL RBRecalcIfMove(PRB prb, PRBB prbb)
{
if (RBEnumBand(prb, 0, RBBS_HIDDEN) == prbb) {
PRBB prbbNext = RBBNextVisible(prb, prbb);
if (prbbNext && prbbNext->fStyle & RBBS_FIXEDSIZE)
return TRUE;
}
return FALSE;
}
// find out if the prbb at it's min height could fit within the current window
// if all the others shrunk as much as they could
BOOL RBRoomForBandVert(PRB prb, PRBB prbbSkip)
{
int yExtra = 0;
int cBands = prb->cBands;
int iNewRowHeight = prbbSkip->cyMinChild;
PRBB prbb = RBGETBAND(prb, 0);
if (prb->ci.style & RBS_BANDBORDERS)
iNewRowHeight += g_cyEdge;
while (prbb) {
if (RBISBANDVISIBLE(prbb)) {
if (RBISBANDSTARTOFROW(prbb)) {
yExtra += RBGetRowHeightExtra(prb, &prbb, prbbSkip);
if (yExtra >= iNewRowHeight)
return TRUE;
continue;
}
}
prbb = RBBNextVisible(prb, prbb);
}
return FALSE;
}
// we should make a new row if prbb isn't the start of the row already
// and we're off the end of the control
//
// poweruser hack of holding the control down will make a new row if you hit the border between lines
BOOL RBMakeNewRow(PRB prb, PRBB prbb, int y)
{
BOOL fRet = FALSE;
RECT rc;
// if we're off the top of the control, move this band to the end (or beginning)
RBGetClientRect(prb, &rc);
InflateRect(&rc, 0, -g_cyEdge);
if (!(prb->ci.style & RBS_FIXEDORDER)) {
int iOutsideLimit = g_cyEdge * 4; // how far do you have to move outside the bounds of the window to force a new row
if (RBRoomForBandVert(prb, prbb)) {
iOutsideLimit = -g_cyEdge;
}
if (y < rc.top - iOutsideLimit) { // top of control
PRBB prbbNext = RBEnumBand(prb, 0, RBBS_HIDDEN);
if (prbbNext == prbb)
prbbNext = RBBNextVisible(prb, prbb);
fRet |= RBMoveBand(prb, RBBANDTOINDEX(prb, prbb), 0);
ASSERT(prbbNext <= RB_GETLASTBAND(prb));
if (prbbNext && !(prbbNext->fStyle & RBBS_BREAK)) {
prbbNext->fStyle |= RBBS_BREAK;
fRet = TRUE;
}
} else if (y >= rc.bottom + iOutsideLimit) { // move to the end
if (!(prbb->fStyle & RBBS_BREAK)) {
prbb->fStyle |= RBBS_BREAK;
fRet = TRUE;
}
fRet |= RBMoveBand(prb, RBBANDTOINDEX(prb, prbb), prb->cBands-1);
} else {
// create a new row in the middle
if (!RBISBANDSTARTOFROW(prbb) && GetAsyncKeyState(VK_CONTROL) < 0) {
// make sure they're on different rows and on the border
if (y > prbb->y + prbb->cy && (y < prbb->y + prbb->cy + g_cyEdge)) {
PRBB prbbLast = RBGetLastInRow(prb, prbb, FALSE); // move it right before the first in this row
prbb->fStyle |= RBBS_BREAK;
RBMoveBand(prb, RBBANDTOINDEX(prb, prbb), RBBANDTOINDEX(prb, prbbLast));
fRet = TRUE;
}
}
}
} else {
// fixed guys can't move, they can only make a new row
if (!RBISBANDSTARTOFROW(prbb)) {
if (y > prbb->y + prbb->cy) {
prbb->fStyle |= RBBS_BREAK;
fRet = TRUE;
}
}
}
if (fRet)
RBResize(prb, FALSE);
return fRet;
}
// ----------------------------------------------------------------------------
//
// RBDragBand
//
// resizes the currently tracked band based on the user's mouse movement as
// indicated in the given point (x, y)
//
// ----------------------------------------------------------------------------
void RBDragBand(PRB prb, int x, int y)
{
PRBB prbb = RBGETBAND(prb, prb->iCapture);
int iHit;
// Do nothing if the mouse didn't actually move
// otherwise, multiple WM_MOUSEMOVE messages will be generated by resizing windows
if (x==prb->ptLastDragPos.x && y==prb->ptLastDragPos.y)
return;
else
{
prb->ptLastDragPos.x = x;
prb->ptLastDragPos.y = y;
}
if (prb->ci.style & CCS_VERT)
SWAP(x,y, int);
if (!prb->fFullOnDrag)
{
// don't begin dragging until mouse is moved outside of an edge-thick
// tolerance border
if ((y < (prb->ptCapture.y - g_cyEdge)) || (y > (prb->ptCapture.y + g_cyEdge)) ||
(x < (prb->ptCapture.x - g_cxEdge)) || (x > (prb->ptCapture.x + g_cxEdge))) {
// did parent abort?
if (RBSendNotify(prb, prb->iCapture, RBN_BEGINDRAG))
return;
if (!RB_ISVALIDBAND(prb, prbb)) {
// somebody responded to RBN_BEGINDRAG by nuking bands; bail
return;
}
prb->fFullOnDrag = TRUE;
} else
return;
}
// bail for right now on fRecalcIfMoved (ie3 did the same thing). nice feature for later
if (!RBCanBandMove(prb, prbb))
return;
/* what type of drag operation depends on what we drag hit on.
if we hit on the band before us, or ourself
and it's the same row
and we're not the first band of the row
then we just to a size move
otherwise if we hit on a band then we do a move
if we hit outside of any band, we grow to meet the cursor
in all of the above, a band that's hit must be NOT fixed and not hidden
*/
iHit = _RBHitTest(prb, NULL, x, y);
if (iHit != -1) {
BOOL fResize = FALSE;
PRBB prbbPrev = RBBPrevVisible(prb, prbb);
PRBB prbbHit = RBGETBAND(prb, iHit);
prbbHit = RBGetPrev(prb, ++prbbHit, RBBS_FIXEDSIZE); // skip over fixed guys
ASSERT(prbbHit >= prb->rbbList);
// this should never happen.
if (prbbHit < prb->rbbList)
return;
iHit = RBBANDTOINDEX(prb, prbbHit);
// if we're on the same row ... and it's us or the previous one
if (prbbHit->y == prbb->y && (prbbHit == prbb || prbbHit == prbbPrev)) {
if (x < RB_GRABWIDTH && !(prb->ci.style & RBS_FIXEDORDER)) {
// special case dragging to the far left. there's no other way to move to first in row
RBPassBreak(prb, prbbHit, prbb);
if (RBMoveBand(prb, prb->iCapture, iHit))
fResize = TRUE;
} else if (!RBISBANDSTARTOFROW(prbb)) {
// and we're not the first band of the row
// then just size it
int xLeft = prb->xStart + (x - prb->ptCapture.x);
xLeft = minmax(xLeft, RBMinX(prb, prbb), RBMaxX(prb, prbb));
RBDragSize(prb, xLeft);
}
} else if (RBMakeNewRow(prb, prbb, y)) {
} else { // otherwise do a move if we're not in a fixed order
if (!(prb->ci.style & RBS_FIXEDORDER)) {
if (iHit < RBBANDTOINDEX(prb, prbb))
iHit++; // +1 because if you hit a band, you're moving to the right of him
// if one with a break is moving, the next one inherits the break
RBPassBreak(prb, prbb, RBBNextVisible(prb, prbb));
RBMoveBand(prb, prb->iCapture, iHit);
} else {
if (iHit < RBBANDTOINDEX(prb, prbb))
RBPassBreak(prb, prbb, RBBNextVisible(prb, prbb));
}
fResize = TRUE;
}
if (fResize)
RBResize(prb, FALSE);
} else
RBMakeNewRow(prb, prbb, y);
}
HPALETTE RBSetPalette(PRB prb, HPALETTE hpal)
{
HPALETTE hpalOld = prb->hpal;
if (hpal != hpalOld) {
if (!prb->fUserPalette) {
if (prb->hpal) {
DeleteObject(prb->hpal);
prb->hpal = NULL;
}
}
if (hpal) {
prb->fUserPalette = TRUE;
prb->hpal = hpal;
}
RBInvalidateRect(prb, NULL);
}
return hpalOld;
}
// ----------------------------------------------------------------------------
//
// RBDestroy
//
// frees all memory allocated by rebar, including rebar structure
//
// ----------------------------------------------------------------------------
BOOL RBDestroy(PRB prb)
{
UINT c = prb->cBands;
RBSetRedraw(prb, FALSE);
RBSetRecalc(prb, FALSE);
while (c--)
RBDeleteBand(prb, c);
// so that we don't keep trying to autosize
prb->ci.style &= ~RBS_AUTOSIZE;
ASSERT(!prb->rbbList);
RBSetPalette(prb, NULL);
if (prb->hFont && prb->fFontCreated) {
DeleteObject(prb->hFont);
}
if ((prb->ci.style & RBS_TOOLTIPS) && IsWindow(prb->hwndToolTips))
{
DestroyWindow (prb->hwndToolTips);
prb->hwndToolTips = NULL;
}
// don't destroy the himl 'cause it's given to us by app
SetWindowPtr(prb->ci.hwnd, 0, 0);
if (prb->hDragProxy)
DestroyDragProxy(prb->hDragProxy);
LocalFree((HLOCAL) prb);
return(TRUE);
}
// ----------------------------------------------------------------------------
//
// RBInitPaletteHack
//
// this is a hack to use the halftone palette until we have a way of asking
// the client what palette they are using
//
// ----------------------------------------------------------------------------
void RBInitPaletteHack(PRB prb)
{
if (!prb->fUserPalette) {
HDC hdc = CreateCompatibleDC(NULL);
if (hdc) {
if (GetDeviceCaps(hdc, BITSPIXEL) <= 8) {
if (prb->hpal)
DeleteObject(prb->hpal);
prb->hpal = CreateHalftonePalette(hdc); // this is a hack
}
DeleteDC(hdc);
}
}
}
LRESULT RBIDToIndex(PRB prb, UINT id)
{
UINT i;
REBARBANDINFO rbbi;
rbbi.cbSize = sizeof(REBARBANDINFO);
rbbi.fMask = RBBIM_ID;
for (i = 0; i < prb->cBands; i++) {
if (RBGetBandInfo(prb, i, &rbbi)) {
if (rbbi.wID == (WORD)id)
return i;
}
}
return -1;
}
LRESULT RBGetRowHeight(PRB prb, UINT uRow)
{
if (uRow < prb->cBands)
{
// move back to start of line
PRBB prbbFirst = RBGetFirstInRow(prb, RBGETBAND(prb, uRow));
PRBB prbbLast = RBGetLastInRow(prb, RBGETBAND(prb, uRow), FALSE);
return RBGetLineHeight(prb, RBBANDTOINDEX(prb, prbbFirst), RBBANDTOINDEX(prb, prbbLast));
}
return (LRESULT)-1;
}
// fOneStep == whether to allow only one cyIntegral or as many as will fit to
// fill dy
int RBGrowBand(PRB prb, PRBB prbb, int dy, BOOL fOneStep)
{
int iDirection = dy / ABS(dy);
int dyBand = 0; // how much the band changes
int cyNewHeight;
if (prbb->cyIntegral &&
prbb->cyIntegral <= (UINT)ABS(dy)) {
// get the proposed new size
if (fOneStep)
dyBand = (prbb->cyIntegral * iDirection);
else {
int iNumOfIntegrals;
// don't let it grow more than the max allowed
if (dy >= 0) {
if ((int)(prbb->cyMaxChild - prbb->cyChild) < dy) {
dy = (int)(prbb->cyMaxChild - prbb->cyChild);
}
} else {
if ((int)(prbb->cyMinChild - prbb->cyChild) > dy) {
dy = (int)(prbb->cyMinChild - prbb->cyChild);
}
}
iNumOfIntegrals = (dy / (int) prbb->cyIntegral);
dyBand = (prbb->cyIntegral * iNumOfIntegrals);
}
cyNewHeight = ((int)prbb->cyChild) + dyBand;
// make sure the new size is legal
if ((int)prbb->cyMinChild <= cyNewHeight && ((UINT)cyNewHeight) <= prbb->cyMaxChild) {
prbb->cyChild = cyNewHeight;
RBResize(prb, TRUE);
} else
dyBand = 0;
}
return dyBand;
}
// returns the delta in size that the rebar is from prc.
// taking into account vertical mode
int RBSizeDifference(PRB prb, LPRECT prc)
{
int d;
d = (RB_ISVERT(prb) ? RECTWIDTH(*prc) : RECTHEIGHT(*prc))
- prb->cy;
return d;
}
// returns how much this row could shrink
int RBGetRowHeightExtra(PRB prb, PRBB *pprbb, PRBB prbbSkip)
{
// this is the largest minimum child size for the row.
// even if something is not at it's min size, if it's smaller than this
// then it doesn't matter because someone else on that row can't be sized
int yLimit = 0;
int yExtra = 0;
PRBB prbb = *pprbb;
while (prbb) {
if (prbb != prbbSkip) {
int yMin;
int yExtraBand = 0;
// the min height is the cyChild if it's not variable height
yMin = prbb->cyChild;
if (prbb->fStyle & RBBS_VARIABLEHEIGHT)
{
// if it is variable height, and there's still room to shrink, then cyMinChild is
// the minimum.
if (prbb->cyChild > prbb->cyMinChild + prbb->cyIntegral) {
yMin = prbb->cyMinChild;
yExtraBand = prbb->cyChild - prbb->cyMinChild;
}
}
if (yMin == yLimit) {
if (yExtraBand > yExtra)
yExtra = yExtraBand;
} else if (yMin > yLimit) {
yExtra = yExtraBand;
}
}
prbb = RBBNextVisible(prb, prbb);
}
*pprbb = prbb;
return yExtra;
}
// are allt he bands at the minimum size?
BOOL RBBandsAtMinHeight(PRB prb)
{
BOOL fRet = TRUE;
int cBands = prb->cBands;
PRBB prbb = RBGETBAND(prb, 0);
while (prbb) {
if (RBISBANDVISIBLE(prbb)) {
if (RBISBANDSTARTOFROW(prbb)) {
fRet = RBROWATMINHEIGHT(prb, &prbb);
if (!fRet)
break;
continue;
}
}
prbb = RBBNextVisible(prb, prbb);
}
return fRet;
}
// this is like RBSizeBarToRect except that it resizes theactual bands if they
// are VARIABLEHEIGHT
BOOL RBSizeBandsToRect(PRB prb, LPRECT prc)
{
int dy;
int iDirection = 0;
BOOL fChanged = FALSE;
BOOL fChangedThisLoop;
UINT cBands;
RECT rc;
BOOL fRedrawOld;
if (prc)
rc = *prc;
else {
GetClientRect(prb->ci.hwnd, &rc);
}
fRedrawOld = RBSetRedraw(prb, FALSE);
// this is the amount we need to grow by
do {
BOOL fOneStep = TRUE;
cBands = prb->cBands;
fChangedThisLoop = FALSE;
// if there's only one row, we don't need to iterate through all the rows slowly
if (RBGetRowCount(prb) == 1)
fOneStep = FALSE;
dy = RBSizeDifference(prb, &rc);
// ensure that we alway size in the same direction.
// it's possible to get on the border and flip flop in an infinite
// loop. this happens when we size both horizontally and vertically down
// beyond the minimum.
if (iDirection == 0)
iDirection = dy;
else if (dy * iDirection < 0)
break;
while (cBands-- && dy) {
// when we're resizing the entire rebar, we want to divvy up
// the growth among all the bands (rather than give it all to
// a single guy). uResizeNext goes round-robin thru the bands.
PRBB prbb = RBGETBAND(prb, prb->uResizeNext);
if (prb->uResizeNext == 0)
prb->uResizeNext = prb->cBands -1;
else
prb->uResizeNext--;
if (prbb->fStyle & RBBS_HIDDEN)
continue;
if (prbb->fStyle & RBBS_VARIABLEHEIGHT) {
int d;
// if it's a variable height kind of guy, grow/shrink it
d = RBGrowBand(prb, prbb, dy, fOneStep);
dy -= d;
if (d) {
fChanged = TRUE;
fChangedThisLoop = TRUE;
break;
}
}
}
// if we're shrinking
// and we didn't get completely satisfied. we need to overshoot
// so that no bands hang off the end and get cut off
if (dy < 0 && !fChangedThisLoop && !RBBandsAtMinHeight(prb)) {
if (rc.bottom > rc.top) {
rc.bottom -= 1;
fChangedThisLoop = TRUE;
}
}
} while (fChangedThisLoop);
RBSetRedraw(prb, fRedrawOld);
return fChanged;
}
void RBSizeBandToRowHeight(PRB prb, int i, UINT uRowHeight)
{
PRBB prbb = RBGETBAND(prb, i);
if (prbb && prbb->fStyle & RBBS_VARIABLEHEIGHT) {
if (uRowHeight == (UINT)-1)
uRowHeight = (UINT) RBGetRowHeight(prb, i);
if (uRowHeight > prbb->cyChild) {
RBGrowBand(prb, prbb, (uRowHeight - prbb->cyChild),
FALSE);
}
}
}
// in the process of sizing, one band in a row of several bands might have
// grow pretty large. we need to let the other bands have a chance to fill
// the extra space as well
void RBSizeBandsToRowHeight(PRB prb)
{
UINT i;
UINT iRowHeight = (UINT)-1;
for (i = 0; i < prb->cBands; i++) {
PRBB prbb = RBGETBAND(prb, i);
if (prbb->fStyle & RBBS_HIDDEN)
continue;
if (RBISBANDSTARTOFROW(prbb))
iRowHeight = (UINT) RBGetRowHeight(prb, i);
RBSizeBandToRowHeight(prb, i, iRowHeight);
}
}
// this will add/remove rebar band breaks to get to the requested size.
// it returns TRUE/FALSE whether something was done or not.
LRESULT RBSizeBarToRect(PRB prb, LPRECT prc)
{
BOOL fChanged = FALSE;
RECT rc;
BOOL fRedrawOld = RBSetRedraw(prb, FALSE);
if (!prc) {
GetClientRect(prb->ci.hwnd, &rc);
prc = &rc;
}
if (prb->cBands) {
int c;
UINT cBands = prb->cBands;
BOOL fChangedThisLoop = TRUE;
BOOL fGrowing = TRUE;
// if we're shrinking the rebar, we first want to shrink the bands before we start
// removing breaks
c = RBSizeDifference(prb, prc);
if (c < 0)
fGrowing = FALSE;
if (!fGrowing) {
fChanged = RBSizeBandsToRect(prb, prc);
if (!RBBandsAtMinHeight(prb)) {
// if we're shrinking and all the bands are not down to
// the minimum height, don't try doing any of the breaking stuff
goto Bail;
}
} else if (RB_ISVERT(prb)) {
// if we're in vertical mode, give preference to
// sizing bands before breaking
fChanged = RBSizeBandsToRect(prb, prc);
}
while (fChangedThisLoop && prb->cBands) {
int cyRowHalf = (int) RBGetRowHeight(prb, prb->cBands-1) / 2 ;
REBARBANDINFO rbbi;
PRBB prbb;
fChangedThisLoop = FALSE;
rbbi.cbSize = sizeof(REBARBANDINFO);
rbbi.fMask = RBBIM_STYLE;
c = RBSizeDifference(prb, prc);
if (c < -cyRowHalf) {
// we've shrunk the rebar, try to remove breaks
while (--cBands)
{
prbb = RBGETBAND(prb, cBands);
if (prbb->fStyle & RBBS_HIDDEN)
continue;
if (prbb->fStyle & RBBS_BREAK)
{
fChanged = TRUE;
fChangedThisLoop = TRUE;
rbbi.fStyle = prbb->fStyle & ~RBBS_BREAK;
RBSetBandInfo(prb, cBands, &rbbi, TRUE);
break;
}
}
} else if (c > cyRowHalf) {
// we're enlarging the rebar
while (--cBands)
{
prbb = RBGETBAND(prb, cBands);
if (prbb->fStyle & RBBS_HIDDEN)
continue;
if (!(prbb->fStyle & (RBBS_BREAK | RBBS_FIXEDSIZE)))
{
// no break here, add it
fChanged = TRUE;
fChangedThisLoop = TRUE;
rbbi.fStyle = (prbb->fStyle | RBBS_BREAK);
RBSetBandInfo(prb, cBands, &rbbi, TRUE);
break;
}
}
}
};
// if we did as much breaking as we could
// and we walked all the way down to the 0th band (we start at the Nth band)
// then we try to grow the bands that are VARIABLEHEIGHT
// for fGrowing, see comment at top of function
//
// wedo the % because cBands == prb->cBands if we didn't go through
// any of the breaking loops at all
if (!(cBands % prb->cBands) && fGrowing)
fChanged |= RBSizeBandsToRect(prb, prc);
}
Bail:
RBSizeBandsToRowHeight(prb);
RBSetRedraw(prb, fRedrawOld);
return (LRESULT)fChanged;
}
void RBAutoSize(PRB prb)
{
NMRBAUTOSIZE nm;
// if this is an internal autosize call, but we're not in autosize mode
// do nothing
if (!(prb->ci.style & RBS_AUTOSIZE))
return;
GetClientRect(prb->ci.hwnd, &nm.rcTarget);
nm.fChanged = (BOOL) RBSizeBarToRect(prb, &nm.rcTarget);
GetClientRect(prb->ci.hwnd, &nm.rcActual);
CCSendNotify(&prb->ci, RBN_AUTOSIZE, &nm.hdr);
}
LRESULT RBGetBandBorders(PRB prb, int wParam, LPRECT prc)
{
BOOL fBandBorders = (prb->ci.style & RBS_BANDBORDERS);
PRBB prbb = &prb->rbbList[wParam];
prc->left = RBBHEADERWIDTH(prbb);
if (fBandBorders) {
prc->left += 2*g_cxEdge;
prc->right = 0;
prc->top = g_cyEdge/2;
prc->bottom = g_cyEdge /2;
}
if (prb->ci.style & CCS_VERT)
FlipRect(prc);
return 0;
}
void RBOnStyleChanged(PRB prb, WPARAM wParam, LPSTYLESTRUCT lpss)
{
if (wParam == GWL_STYLE)
{
DWORD dwChanged;
prb->ci.style = lpss->styleNew;
dwChanged = (lpss->styleOld ^ lpss->styleNew);
// update to reflect style change
#ifndef WINNT
TraceMsg(TF_REBAR, "rebar window style changed %x", prb->ci.style);
#endif
if (dwChanged & CCS_VERT)
{
UINT i;
for (i = 0; i < prb->cBands; i++) {
if (RBGETBAND(prb, i)->fStyle & RBBS_HIDDEN)
continue;
RBBCalcMinWidth(prb, RBGETBAND(prb, i));
}
RBResize(prb, TRUE);
RBInvalidateRect(prb, NULL);
}
if (dwChanged & RBS_REGISTERDROP) {
if (prb->ci.style & RBS_REGISTERDROP) {
ASSERT(!prb->hDragProxy);
prb->hDragProxy = CreateDragProxy(prb->ci.hwnd, RebarDragCallback, TRUE);
} else {
ASSERT(prb->hDragProxy);
DestroyDragProxy(prb->hDragProxy);
}
}
} else if (wParam == GWL_EXSTYLE) {
//
// If the RTL_MIRROR extended style bit had changed, let's
// repaint the control window
//
if ((prb->ci.dwExStyle&RTL_MIRRORED_WINDOW) != (lpss->styleNew&RTL_MIRRORED_WINDOW)) {
RBInvalidateRect(prb, NULL);
}
//
// Save the new ex-style bits
//
prb->ci.dwExStyle = lpss->styleNew;
}
}
void RBOnMouseMove(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, PRB prb)
{
RelayToToolTips(prb->hwndToolTips, hwnd, uMsg, wParam, lParam);
if (prb->iCapture != -1)
{
// captured band -- mouse is down
if (hwnd != GetCapture() && !prb->fParentDrag)
{
RBSendNotify(prb, prb->iCapture, RBN_ENDDRAG);
RBOnBeginDrag(prb, (UINT)-1);
}
else
RBDragBand(prb, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
}
else
{
// hottracking
int iBand;
PRBB prbb = NULL;
PRBB prbbHotOld = prb->prbbHot;
RBHITTESTINFO rbht;
rbht.pt.x = GET_X_LPARAM(lParam);
rbht.pt.y = GET_Y_LPARAM(lParam);
iBand = RBHitTest(prb, &rbht);
if (iBand != -1)
prbb = RBGETBAND(prb, iBand);
if (prbbHotOld && (prbbHotOld->wChevState & DCHF_PUSHED))
return;
if (prbb && (rbht.flags & RBHT_CHEVRON))
{
SetCapture(hwnd);
RBUpdateChevronState(prb, prbb, DCHF_HOT);
if (prbb == prbbHotOld)
prbbHotOld = NULL;
}
if (prbbHotOld)
{
CCReleaseCapture(&prb->ci);
RBUpdateChevronState(prb, prbbHotOld, DCHF_INACTIVE);
}
}
}
void RBOnPushChevron(HWND hwnd, PRB prb, PRBB prbb, LPARAM lParamNM)
{
NMREBARCHEVRON nm;
nm.uBand = RBBANDTOINDEX(prb, prbb);
nm.wID = prbb->wID;
nm.lParam = prbb->lParam;
nm.lParamNM = lParamNM;
CopyRect(&nm.rc, &prbb->rcChevron);
if (RB_ISVERT(prb))
FlipRect(&nm.rc);
RBUpdateChevronState(prb, prbb, DCHF_PUSHED);
CCReleaseCapture(&prb->ci);
CCSendNotify(&prb->ci, RBN_CHEVRONPUSHED, &nm.hdr);
RBUpdateChevronState(prb, prb->prbbHot, DCHF_INACTIVE);
}
LRESULT CALLBACK ReBarWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
PRB prb = (PRB) GetWindowPtr(hwnd, 0);
int iBand;
// bail if no prb unless at creation time
if (!prb && !(uMsg == WM_NCCREATE))
goto CallDWP;
switch (uMsg)
{
case WM_SETREDRAW:
if (prb->ci.iVersion >= 5)
RBSetRecalc(prb, BOOLFROMPTR(wParam));
return RBSetRedraw(prb, BOOLFROMPTR(wParam));
case WM_NCCREATE:
#define lpcs ((LPCREATESTRUCT) lParam)
CCCreateWindow();
InitGlobalColors();
if (!(prb = (PRB) LocalAlloc(LPTR, sizeof(RB))))
return(0L);
SetWindowPtr(hwnd, 0, prb);
prb->iCapture = -1;
prb->clrBk = CLR_NONE;
prb->clrText = CLR_NONE;
// Init the dwSize because we block-copy it back to the app
prb->clrsc.dwSize = sizeof(COLORSCHEME);
prb->clrsc.clrBtnHighlight = prb->clrsc.clrBtnShadow = CLR_DEFAULT;
prb->fRedraw = TRUE;
prb->fRecalc = TRUE;
// note, zero init memory from above
CIInitialize(&prb->ci, hwnd, lpcs);
if (!(prb->ci.style & (CCS_TOP | CCS_NOMOVEY | CCS_BOTTOM)))
{
prb->ci.style |= CCS_TOP;
SetWindowLong(hwnd, GWL_STYLE, prb->ci.style);
}
RBSetFont(prb, 0);
if (lpcs->lpCreateParams)
RBSetBarInfo(prb, (LPREBARINFO) (lpcs->lpCreateParams));
#undef lpcs
return TRUE;
case WM_DESTROY:
CCDestroyWindow();
RBDestroy(prb);
SetWindowPtr(hwnd, 0, 0);
break;
case WM_CREATE:
// Do delayed stuff for speed.
PostMessage(hwnd, RB_PRIV_DODELAYEDSTUFF, 0, 0);
goto CallDWP;
case RB_PRIV_DODELAYEDSTUFF:
// Delay done stuff for speed:
if (prb->ci.style & RBS_REGISTERDROP)
prb->hDragProxy = CreateDragProxy(prb->ci.hwnd, RebarDragCallback, TRUE);
if (prb->ci.style & RBS_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 = hwnd;
ti.uId = (UINT_PTR)hwnd;
ti.lpszText = 0;
prb->hwndToolTips = CreateWindow(c_szSToolTipsClass, NULL,
WS_POPUP, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
hwnd, NULL, (HINSTANCE)GetWindowLongPtr(hwnd, GWLP_HINSTANCE), NULL);
SendMessage(prb->hwndToolTips, TTM_ADDTOOL, 0, (LPARAM)(LPTOOLINFO) &ti);
}
RBInitPaletteHack(prb);
break;
case WM_NCHITTEST:
{
RBHITTESTINFO rbht;
int iBand;
rbht.pt.x = GET_X_LPARAM(lParam);
rbht.pt.y = GET_Y_LPARAM(lParam);
ScreenToClient(prb->ci.hwnd, &rbht.pt);
iBand = RBHitTest(prb, &rbht);
{
NMMOUSE nm;
LRESULT lres;
nm.dwItemSpec = iBand;
nm.pt = rbht.pt;
nm.dwHitInfo = rbht.flags;
// send to the parent to give them a chance to override
lres = CCSendNotify(&prb->ci, NM_NCHITTEST, &nm.hdr);
if (lres)
return lres;
}
}
return HTCLIENT;
case WM_NCCALCSIZE:
if (prb->ci.style & WS_BORDER)
{
InflateRect((LPRECT) lParam, -g_cxEdge, -g_cyEdge);
break;
}
goto CallDWP;
case WM_NCPAINT:
if (prb->ci.style & WS_BORDER)
{
RECT rc;
HDC hdc;
GetWindowRect(hwnd, &rc);
OffsetRect(&rc, -rc.left, -rc.top);
hdc = GetWindowDC(hwnd);
CCDrawEdge(hdc, &rc, EDGE_ETCHED, BF_RECT, &(prb->clrsc));
ReleaseDC(hwnd, hdc);
break;
}
goto CallDWP;
case WM_PALETTECHANGED:
if ((HWND)wParam == hwnd)
break;
case WM_QUERYNEWPALETTE:
// Want to pass FALSE if WM_QUERYNEWPALETTE...
RBRealize(prb, NULL, uMsg == WM_PALETTECHANGED, uMsg == WM_PALETTECHANGED);
return TRUE;
case WM_PAINT:
case WM_PRINTCLIENT:
RBPaint(prb, (HDC)wParam);
break;
case WM_ERASEBKGND:
if (RBEraseBkgnd(prb, (HDC) wParam, -1))
return(TRUE);
goto CallDWP;
case WM_SYSCOLORCHANGE:
RBInitPaletteHack(prb);
if (prb->hwndToolTips)
SendMessage(prb->hwndToolTips, uMsg, wParam, lParam);
InitGlobalColors();
InvalidateRect(prb->ci.hwnd, NULL, TRUE);
break;
case RB_SETPALETTE:
return (LRESULT)RBSetPalette(prb, (HPALETTE)lParam);
case RB_GETPALETTE:
return (LRESULT)prb->hpal;
case WM_SIZE:
RBAutoSize(prb);
RBResize(prb, FALSE);
break;
case WM_GETFONT:
return((LRESULT) (prb ? prb->hFont : NULL));
case WM_COMMAND:
case WM_DRAWITEM:
case WM_MEASUREITEM:
case WM_VKEYTOITEM:
case WM_CHARTOITEM:
SendMessage(prb->ci.hwndParent, uMsg, wParam, lParam);
break;
case WM_LBUTTONDBLCLK: // DBLCLK sent in place of LBUTTONDOWN
case WM_RBUTTONDOWN: // right button drags too
case WM_LBUTTONDOWN:
{
RBHITTESTINFO rbht;
PRBB prbb = NULL;
rbht.pt.x = GET_X_LPARAM(lParam);
rbht.pt.y = GET_Y_LPARAM(lParam);
RelayToToolTips(prb->hwndToolTips, hwnd, uMsg, wParam, lParam);
iBand = RBHitTest(prb, &rbht);
if (iBand != -1)
prbb = RBGETBAND(prb, iBand);
if (!prbb)
/* nothing */ ;
else if (rbht.flags & RBHT_CHEVRON)
{
RBOnPushChevron(hwnd, prb, prbb, 0);
}
else if (rbht.flags != RBHT_CLIENT && RBShouldDrawGripper(prb, prbb))
{
prb->iCapture = iBand;
prb->ptCapture = rbht.pt;
if (prb->ci.style & CCS_VERT)
SWAP(prb->ptCapture.x, prb->ptCapture.y, int);
prb->xStart = prbb->x;
SetCapture(hwnd);
prb->fFullOnDrag = FALSE;
if (uMsg == WM_LBUTTONDBLCLK && (prb->ci.style & RBS_DBLCLKTOGGLE))
RBToggleBand(prb,TRUE);
}
}
break;
case WM_SETCURSOR:
// Give the parent first crack, if it sets the cursor then
// leave it at that. Otherwise if the cursor is over our
// window then set it to what we want it to be.
if (!DefWindowProc(hwnd, uMsg, wParam, lParam) && (hwnd == (HWND)wParam))
{
POINT pt;
GetMessagePosClient(prb->ci.hwnd, &pt);
RBSetCursor(prb, pt.x, pt.y, (HIWORD(lParam) == WM_LBUTTONDOWN || HIWORD(lParam) == WM_RBUTTONDOWN));
}
return TRUE;
case WM_MOUSEMOVE:
RBOnMouseMove(hwnd, uMsg, wParam, lParam, prb);
break;
case WM_RBUTTONUP:
if (!prb->fFullOnDrag && !prb->fParentDrag) {
CCReleaseCapture(&prb->ci);
// if we're not doing drag drop, go to def window proc so that
// wm_contextmenu gets propagated
RBOnBeginDrag(prb, (UINT)-1);
goto CallDWP;
}
// fall through
case WM_LBUTTONUP:
RelayToToolTips(prb->hwndToolTips, hwnd, uMsg, wParam, lParam);
if (prb->iCapture != -1)
{
UINT uiIndex;
if (!prb->fParentDrag)
CCReleaseCapture(&prb->ci);
// if there was no significant mouse motion, treat as a click
if (!(prb->ci.style & RBS_DBLCLKTOGGLE) && !prb->fFullOnDrag)
RBToggleBand(prb,TRUE);
RBGETBAND(prb, prb->iCapture)->fStyle &= ~RBBS_DRAGBREAK;
CCSendNotify(&prb->ci, RBN_LAYOUTCHANGED, NULL);
RBSendNotify(prb, prb->iCapture, RBN_ENDDRAG);
RBOnBeginDrag(prb, (UINT)-1);
for (uiIndex = 0; uiIndex < prb->cBands; uiIndex++) {
if (RBGETBAND(prb, uiIndex)->fStyle & RBBS_HIDDEN)
continue;
RBBCalcMinWidth(prb, RBGETBAND(prb, uiIndex));
}
RBSizeBandsToRect(prb, NULL);
RBInvalidateRect(prb, NULL);
}
break;
case WM_WININICHANGE:
InitGlobalMetrics(wParam);
if (prb->fFontCreated)
RBSetFont(prb, wParam);
if (prb->hwndToolTips)
SendMessage(prb->hwndToolTips, uMsg, wParam, lParam);
break;
case WM_SETFONT:
RBOnSetFont(prb, (HFONT)wParam);
break;
case WM_NOTIFYFORMAT:
return(CIHandleNotifyFormat(&prb->ci, lParam));
case WM_NOTIFY:
// 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.
return(SendNotifyEx(prb->ci.hwndParent, (HWND) -1,
((LPNMHDR) lParam)->code, (LPNMHDR) lParam, prb->ci.bUnicode));
case WM_STYLECHANGED:
RBOnStyleChanged(prb, wParam, (LPSTYLESTRUCT)lParam);
break;
#ifdef KEYBOARDCUES
case WM_UPDATEUISTATE:
if (CCOnUIState(&(prb->ci), WM_UPDATEUISTATE, wParam, lParam))
{
InvalidateRect(hwnd, NULL, TRUE);
}
goto CallDWP;
#endif
#ifdef UNICODE
case RB_SETBANDINFOA:
case RB_INSERTBANDA:
if (EVAL(lParam))
{
LPWSTR lpStrings = NULL;
LPSTR lpAnsiString;
int iResult;
// lParam starts out pointing to a REBARBANDINFOA, and
// we secretly change it into a REBARBANDINFOW, and then
// change it back.
LPREBARBANDINFOW prbiW = (LPREBARBANDINFOW)lParam;
LPREBARBANDINFOA prbiA = (LPREBARBANDINFOA)lParam;
COMPILETIME_ASSERT(sizeof(REBARBANDINFOW) == sizeof(REBARBANDINFOA));
// BUGBUG - raymondc - Is it safe to modify the incoming
// REBARBANDINFOA structure?
lpAnsiString = prbiA->lpText;
if ((prbiA->fMask & RBBIM_TEXT) && prbiA->lpText) {
lpStrings = ProduceWFromA(prb->ci.uiCodePage, lpAnsiString);
if (!lpStrings)
return -1;
// Presto! Now it's a REBARBANDINFOW!
prbiW->lpText = lpStrings;
}
if (uMsg == RB_INSERTBANDA)
iResult = RBInsertBand(prb, (UINT) wParam, prbiW);
else
iResult = RBSetBandInfo(prb, (UINT) wParam, prbiW, TRUE);
// Change-o! Now it's a REBARBANDINFOA!
prbiA->lpText = lpAnsiString;
if (lpStrings)
FreeProducedString(lpStrings);
return iResult;
}
#endif
case RB_INSERTBAND:
return(RBInsertBand(prb, (UINT) wParam, (LPREBARBANDINFO) lParam));
case RB_DELETEBAND:
return(RBDeleteBand(prb, (UINT) wParam));
case RB_SHOWBAND:
return(RBShowBand(prb, (UINT) wParam, BOOLFROMPTR(lParam)));
#ifdef UNICODE
case RB_GETBANDINFOA:
{
LPREBARBANDINFOA prbbi = (LPREBARBANDINFOA)lParam;
LPWSTR pszW = NULL;
LPSTR lpAnsiString = prbbi->lpText;
int iResult;
if (prbbi->fMask & RBBIM_TEXT) {
pszW = LocalAlloc(LPTR, prbbi->cch * sizeof(WCHAR));
if (!pszW)
return 0;
prbbi->lpText = (LPSTR)pszW;
}
iResult = RBGetBandInfo(prb, (UINT)wParam, (LPREBARBANDINFO)lParam);
if (pszW) {
ConvertWToAN(prb->ci.uiCodePage, lpAnsiString, prbbi->cch, (LPWSTR)prbbi->lpText, -1);
prbbi->lpText = lpAnsiString;
LocalFree(pszW);
}
return iResult;
}
#endif
// we have getbandinfoold because in ie3, we did not thunk
// and getbandinfo always return OS native string (dumb)
case RB_GETBANDINFOOLD:
case RB_GETBANDINFO:
return(RBGetBandInfo(prb, (UINT) wParam, (LPREBARBANDINFO) lParam));
case RB_GETTOOLTIPS:
return (LPARAM)prb->hwndToolTips;
case RB_SETTOOLTIPS:
prb->hwndToolTips = (HWND)wParam;
break;
case RB_SETBKCOLOR:
{
COLORREF clr = prb->clrBk;
prb->clrBk = (COLORREF)lParam;
if (clr != prb->clrBk)
InvalidateRect(prb->ci.hwnd, NULL, TRUE);
return clr;
}
case RB_GETBKCOLOR:
return prb->clrBk;
case RB_SETTEXTCOLOR:
{
COLORREF clr = prb->clrText;
prb->clrText = (COLORREF)lParam;
return clr;
}
case RB_GETTEXTCOLOR:
return prb->clrText;
case RB_IDTOINDEX:
return RBIDToIndex(prb, (UINT) wParam);
case RB_GETROWCOUNT:
return(RBGetRowCount(prb));
case RB_GETROWHEIGHT:
return RBGetRowHeight(prb, (UINT)wParam);
case RB_GETBANDBORDERS:
return RBGetBandBorders(prb, (UINT)wParam, (LPRECT)lParam);
case RB_GETBANDCOUNT:
return(prb->cBands);
case RB_SETBANDINFO:
return(RBSetBandInfo(prb, (UINT) wParam, (LPREBARBANDINFO) lParam, TRUE));
case RB_GETBARINFO:
return(RBGetBarInfo(prb, (LPREBARINFO) lParam));
case RB_SETBARINFO:
return(RBSetBarInfo(prb, (LPREBARINFO) lParam));
case RB_SETPARENT:
{
HWND hwndOld = prb->ci.hwndParent;
prb->ci.hwndParent = (HWND) wParam;
return (LRESULT)hwndOld;
}
break;
case RB_GETRECT:
if (RB_ISVALIDINDEX(prb, wParam))
{
PRBB prbb = RBGETBAND(prb, (int) wParam);
LPRECT lprc = (LPRECT) lParam;
lprc->left = prbb->x;
lprc->top = prbb->y;
lprc->right = prbb->x + prbb->cx;
lprc->bottom = prbb->y + prbb->cy;
return(TRUE);
}
break;
case RB_HITTEST:
return(RBHitTest(prb, (LPRBHITTESTINFO) lParam));
case RB_SIZETORECT:
return RBSizeBarToRect(prb, (LPRECT)lParam);
case RB_BEGINDRAG:
if (RB_ISVALIDINDEX(prb, wParam)) {
// -1 means do it yourself.
// -2 means use what you had saved before
if (lParam != (LPARAM)-2) {
if (lParam == (LPARAM)-1) {
GetMessagePosClient(prb->ci.hwnd, &prb->ptCapture);
} else {
prb->ptCapture.x = GET_X_LPARAM(lParam);
prb->ptCapture.y = GET_Y_LPARAM(lParam);
}
if (prb->ci.style & CCS_VERT)
SWAP(prb->ptCapture.x, prb->ptCapture.y, int);
}
prb->xStart = RBGETBAND(prb, (UINT)wParam)->x;
RBOnBeginDrag(prb, (UINT)wParam);
}
break;
case RB_GETBARHEIGHT:
return RBGETBARHEIGHT(prb);
case RB_ENDDRAG:
RBOnBeginDrag(prb, (UINT)-1);
break;
case RB_DRAGMOVE:
if (prb->iCapture != -1) {
if (lParam == (LPARAM)-1) {
lParam = GetMessagePosClient(prb->ci.hwnd, NULL);
}
RBDragBand(prb, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
}
break;
case RB_MINIMIZEBAND:
RBMinimizeBand(prb, (UINT) wParam,FALSE);
break;
case RB_MAXIMIZEBAND:
RBMaximizeBand(prb, (UINT)wParam, BOOLFROMPTR(lParam),FALSE);
break;
case RB_MOVEBAND:
if (!RB_ISVALIDINDEX(prb,wParam) || !RB_ISVALIDINDEX(prb,lParam))
break;
return RBMoveBand(prb, (UINT) wParam, (UINT) lParam);
case RB_GETDROPTARGET:
if (!prb->hDragProxy)
prb->hDragProxy = CreateDragProxy(prb->ci.hwnd, RebarDragCallback, FALSE);
GetDragProxyTarget(prb->hDragProxy, (IDropTarget**)lParam);
break;
case RB_GETCOLORSCHEME:
{
LPCOLORSCHEME lpclrsc = (LPCOLORSCHEME) lParam;
if (lpclrsc) {
if (lpclrsc->dwSize == sizeof(COLORSCHEME))
*lpclrsc = prb->clrsc;
}
return (LRESULT) lpclrsc;
}
case RB_SETCOLORSCHEME:
if (lParam) {
if (((LPCOLORSCHEME) lParam)->dwSize == sizeof(COLORSCHEME)) {
prb->clrsc.clrBtnHighlight = ((LPCOLORSCHEME) lParam)->clrBtnHighlight;
prb->clrsc.clrBtnShadow = ((LPCOLORSCHEME) lParam)->clrBtnShadow;
InvalidateRect(hwnd, NULL, FALSE);
if (prb->ci.style & WS_BORDER)
CCInvalidateFrame(hwnd);
}
}
break;
case RB_PUSHCHEVRON:
if (RB_ISVALIDINDEX(prb, wParam)) {
PRBB prbb = RBGETBAND(prb, wParam);
RBOnPushChevron(hwnd, prb, prbb, lParam);
}
break;
default:
{
LRESULT lres;
if (CCWndProc(&prb->ci, uMsg, wParam, lParam, &lres))
return lres;
}
CallDWP:
return(DefWindowProc(hwnd, uMsg, wParam, lParam));
}
return(0L);
}
Reference in a new issue View git blame Copy permalink