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45f4a58588
Windows2000/private/shell/win16/commctrl/toolbar.c
Microsoft 45f4a58588 First commit
2020-09-30 17:12:32 +02:00

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/*
** Toolbar.c
** This is it, the incredibly famous toolbar control. Most of
** the customization stuff is in another file.
*/
#include "ctlspriv.h"
#include "toolbar.h"
#include "image.h"
// these values are defined by the UI gods...
#define DEFAULTBITMAPX 16
#define DEFAULTBITMAPY 15
#define SMALL_DXYBITMAP 16 // new dx dy for sdt images
#define LARGE_DXYBITMAP 24
#define DEFAULTBUTTONX 24
#define DEFAULTBUTTONY 22
// horizontal/vertical space taken up by button chisel, sides,
// and a 1 pixel margin. used in GrowToolbar.
#define XSLOP 7
#define YSLOP 6
extern HBRUSH g_hbrColorDither;
const int g_dxButtonSep = 8;
const int s_xFirstButton = 0; // was 8 in 3.1
const int s_dxOverlap = 0; // was 1 in 3.1
int g_cRefToolbar = 0;
// Globals - since all of these globals are used durring a paint we have to
// take a criticial section around all toolbar paints. this sucks.
HDC g_hdcGlyphs = NULL; // globals for fast drawing
HDC g_hdcMono = NULL;
HBITMAP g_hbmMono = NULL;
HBITMAP g_hbmDefault = NULL;
HDC g_hdcButton = NULL; // contains g_hbmFace (when it exists)
HBITMAP g_hbmFace = NULL;
int g_dxFace, g_dyFace; // current dimensions of g_hbmFace (2*g_dxFace)
HDC g_hdcFaceCache = NULL; // used for button cache
const UINT wStateMasks[] = {
TBSTATE_ENABLED,
TBSTATE_CHECKED,
TBSTATE_PRESSED,
TBSTATE_HIDDEN,
TBSTATE_INDETERMINATE
};
LRESULT CALLBACK ToolbarWndProc(HWND hWnd, UINT wMsg, WPARAM wParam, LPARAM lParam);
void NEAR PASCAL TBOnButtonStructSize(PTBSTATE ptb, UINT uStructSize);
BOOL NEAR PASCAL SetBitmapSize(PTBSTATE ptb, int width, int height);
int NEAR PASCAL AddBitmap(PTBSTATE ptb, int nButtons, HINSTANCE hBMInst, UINT wBMID);
BOOL NEAR PASCAL GrowToolbar(PTBSTATE ptb, int newButWidth, int newButHeight, BOOL bInside);
#define HeightWithString(ptb, h) (h + ptb->dyIconFont + 1)
#ifdef IEWIN31_25
#define SEND_WM_COMMAND(hwnd, id, hwndCtl, codeNotify) \
SendMessage((hwnd), WM_COMMAND, (WPARAM)(int)(id), MAKELPARAM((UINT)(hwndCtl), (codeNotify)))
BOOL FAR PASCAL SendItemNotify(PTBSTATE ptb, int iItem, int code)
{
// for compatibility with old users of we do this bogus stuff with WM_COMMAND
// stuffing in an item index in a field that should be an hwnd
return SEND_WM_COMMAND(ptb->hwndCommand, GetWindowID(ptb->hwnd), (HWND)iItem, code);
}
#endif
BOOL NEAR PASCAL InitGlobalObjects(void)
{
g_cRefToolbar++;
if (g_cRefToolbar != 1)
return TRUE;
g_hdcGlyphs = CreateCompatibleDC(NULL);
if (!g_hdcGlyphs)
return FALSE;
SetObjectOwner(g_hdcGlyphs, HINST_THISDLL);
g_hdcMono = CreateCompatibleDC(NULL);
if (!g_hdcMono)
return FALSE;
SetObjectOwner(g_hdcMono, HINST_THISDLL);
g_hbmMono = CreateMonoBitmap(DEFAULTBUTTONX, DEFAULTBUTTONY);
if (!g_hbmMono)
return FALSE;
SetObjectOwner(g_hbmMono, HINST_THISDLL);
g_hbmDefault = SelectObject(g_hdcMono, g_hbmMono);
g_hdcButton = CreateCompatibleDC(NULL);
if (!g_hdcButton)
return FALSE;
SetObjectOwner(g_hdcButton, HINST_THISDLL);
g_hdcFaceCache = CreateCompatibleDC(NULL);
if (!g_hdcFaceCache)
return FALSE;
SetObjectOwner(g_hdcFaceCache, HINST_THISDLL);
return TRUE;
}
void NEAR PASCAL TBChangeFont(PTBSTATE ptb, WPARAM wParam)
{
HFONT hOldFont;
LOGFONT lf;
TEXTMETRIC tm;
int i;
int newWidth;
if ((wParam != 0) && (wParam != SPI_SETICONTITLELOGFONT))
return;
ENTERCRITICAL;
// Several of these windows may get this at the same time
// so we need to process this under the critical section...
if (!SystemParametersInfo(SPI_GETICONTITLELOGFONT, sizeof(LOGFONT), &lf, 0))
goto Abort;
hOldFont = ptb->hfontIcon;
ptb->hfontIcon = CreateFontIndirect(&lf);
if (!ptb->hfontIcon)
{
ptb->hfontIcon = hOldFont;
goto Abort;
}
if (hOldFont)
DeleteObject(hOldFont);
hOldFont = SelectObject(g_hdcMono, ptb->hfontIcon);
GetTextMetrics(g_hdcMono, &tm);
ptb->dyIconFont = tm.tmHeight;
if (ptb->nStrings > 0)
{
SIZE size;
PSTR pstr;
// Now we need to walk through each of the strings to see
// if we need to resize the toolbar.
newWidth = ptb->iDxBitmap;
for (i=ptb->nStrings-1; i>= 0; i--)
{
pstr = ptb->pStrings[i];
GetTextExtentPoint(g_hdcMono, pstr, lstrlen(pstr), &size);
if (size.cx > newWidth)
newWidth = size.cx;
}
GrowToolbar(ptb, newWidth, HeightWithString(ptb, ptb->iDyBitmap), TRUE);
}
if (hOldFont)
SelectObject(g_hdcMono, hOldFont);
Abort:
LEAVECRITICAL;
}
BOOL NEAR PASCAL FreeGlobalObjects(void)
{
g_cRefToolbar--;
if (g_cRefToolbar != 0)
return TRUE;
if (g_hdcMono) {
if (g_hbmDefault)
SelectObject(g_hdcMono, g_hbmDefault);
DeleteDC(g_hdcMono); // toast the DCs
g_hdcMono = NULL;
}
if (g_hdcGlyphs) {
DeleteDC(g_hdcGlyphs);
g_hdcGlyphs = NULL;
}
if (g_hdcFaceCache) {
DeleteDC(g_hdcFaceCache);
g_hdcFaceCache = NULL;
}
if (g_hdcButton) {
if (g_hbmDefault)
SelectObject(g_hdcButton, g_hbmDefault);
DeleteDC(g_hdcButton);
g_hdcButton = NULL;
}
if (g_hbmFace) {
DeleteObject(g_hbmFace);
g_hbmFace = NULL;
}
if (g_hbmMono) {
DeleteObject(g_hbmMono);
g_hbmMono = NULL;
}
}
HWND WINAPI CreateToolbarEx(HWND hwnd, DWORD ws, UINT wID, int nBitmaps,
HINSTANCE hBMInst, UINT wBMID, LPCTBBUTTON lpButtons,
int iNumButtons, int dxButton, int dyButton,
int dxBitmap, int dyBitmap, UINT uStructSize)
{
HWND hwndToolbar = CreateWindow(c_szToolbarClass, NULL, WS_CHILD | ws,
0, 0, 100, 30, hwnd, (HMENU)wID, HINST_THISDLL, NULL);
if (hwndToolbar)
{
PTBSTATE ptb = (PTBSTATE)GetWindowInt(hwndToolbar, 0);
TBOnButtonStructSize(ptb, uStructSize);
if ((dxBitmap && dyBitmap && !SetBitmapSize(ptb, dxBitmap, dyBitmap)) ||
(dxButton && dyButton && !SetBitmapSize(ptb,dxButton, dyButton)))
{
//!!!! do we actually need to deal with this?
DestroyWindow(hwndToolbar);
hwndToolbar = NULL;
goto Error;
}
AddBitmap(ptb, nBitmaps, hBMInst, wBMID);
InsertButtons(ptb, (UINT)-1, iNumButtons, (LPTBBUTTON)lpButtons);
// ptb may be bogus now after above button insert
}
Error:
return hwndToolbar;
}
/* This is no longer declared in COMMCTRL.H. It only exists for compatibility
** with existing apps; new apps must use CreateToolbarEx.
*/
HWND WINAPI CreateToolbar(HWND hwnd, DWORD ws, UINT wID, int nBitmaps, HINSTANCE hBMInst, UINT wBMID, LPCTBBUTTON lpButtons, int iNumButtons)
{
// old-style toolbar, so no divider.
return CreateToolbarEx(hwnd, ws | CCS_NODIVIDER, wID, nBitmaps, hBMInst, wBMID,
lpButtons, iNumButtons, 0, 0, 0, 0, sizeof(OLDTBBUTTON));
}
#pragma code_seg(CODESEG_INIT)
BOOL FAR PASCAL InitToolbarClass(HINSTANCE hInstance)
{
WNDCLASS wc;
if (!GetClassInfo(hInstance, c_szToolbarClass, &wc)) {
#ifndef WIN32
#ifndef IEWIN31
extern LRESULT CALLBACK _ToolbarWndProc(HWND, UINT, WPARAM, LPARAM);
wc.lpfnWndProc = _ToolbarWndProc;
#else
wc.lpfnWndProc = (WNDPROC)ToolbarWndProc;
#endif
#else
wc.lpfnWndProc = (WNDPROC)ToolbarWndProc;
#endif
wc.lpszClassName = c_szToolbarClass;
wc.style = CS_DBLCLKS | CS_GLOBALCLASS;
wc.cbClsExtra = 0;
wc.cbWndExtra = sizeof(PTBSTATE);
wc.hInstance = hInstance; // use DLL instance if in DLL
wc.hIcon = NULL;
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_BTNFACE+1);
wc.lpszMenuName = NULL;
if (!RegisterClass(&wc))
return FALSE;
}
return TRUE;
}
#pragma code_seg()
#define BEVEL 2
#define FRAME 1
void NEAR PASCAL PatB(HDC hdc,int x,int y,int dx,int dy, DWORD rgb)
{
RECT rc;
SetBkColor(hdc,rgb);
rc.left = x;
rc.top = y;
rc.right = x + dx;
rc.bottom = y + dy;
ExtTextOut(hdc,0,0,ETO_OPAQUE,&rc,NULL,0,NULL);
}
void NEAR PASCAL DrawString(PTBSTATE ptb, HDC hdc, int x, int y, int dx, PSTR pszString)
{
int oldMode;
DWORD oldTextColor;
HFONT oldhFont;
int len;
SIZE size;
oldMode = SetBkMode(hdc, TRANSPARENT);
oldTextColor = SetTextColor(hdc, 0L);
oldhFont = SelectObject(hdc, ptb->hfontIcon);
len = lstrlen(pszString);
GetTextExtentPoint(hdc, pszString, len, &size);
// center the string horizontally
x += (dx-size.cx-1)/2;
TextOut(hdc, x, y, (LPSTR)pszString, len);
if (oldhFont)
SelectObject(hdc, oldhFont);
SetTextColor(hdc, oldTextColor);
SetBkMode(hdc, oldMode);
}
// create a mono bitmap mask:
// 1's where color == COLOR_BTNFACE || COLOR_3DHILIGHT
// 0's everywhere else
void NEAR PASCAL CreateMask(PTBSTATE ptb, LPTBBUTTON pTBButton, int xoffset, int yoffset, int dx, int dy)
{
// initalize whole area with 1's
PatBlt(g_hdcMono, 0, 0, dx, dy, WHITENESS);
// create mask based on color bitmap
// convert this to 1's
SetBkColor(g_hdcGlyphs, g_clrBtnFace);
BitBlt(g_hdcMono, xoffset, yoffset, ptb->iDxBitmap, ptb->iDyBitmap,
g_hdcGlyphs, pTBButton->iBitmap * ptb->iDxBitmap, 0, SRCCOPY);
// convert this to 1's
SetBkColor(g_hdcGlyphs, g_clrBtnHighlight);
// OR in the new 1's
BitBlt(g_hdcMono, xoffset, yoffset, ptb->iDxBitmap, ptb->iDyBitmap,
g_hdcGlyphs, pTBButton->iBitmap * ptb->iDxBitmap, 0, SRCPAINT);
if (pTBButton->iString != -1 && (pTBButton->iString < ptb->nStrings))
{
DrawString(ptb, g_hdcMono, 1, yoffset + ptb->iDyBitmap + 1, dx, ptb->pStrings[pTBButton->iString]);
}
}
/* Given a button number, the corresponding bitmap is loaded and selected in,
* and the Window origin set.
* Returns NULL on Error, 1 if the necessary bitmap is already selected,
* or the old bitmap otherwise.
*/
HBITMAP FAR PASCAL SelectBM(HDC hDC, PTBSTATE ptb, int nButton)
{
PTBBMINFO pTemp;
HBITMAP hRet;
int nBitmap, nTot;
for (pTemp=ptb->pBitmaps, nBitmap=0, nTot=0; ; ++pTemp, ++nBitmap)
{
if (nBitmap >= ptb->nBitmaps)
return(NULL);
if (nButton < nTot+pTemp->nButtons)
break;
nTot += pTemp->nButtons;
}
/* Special case when the required bitmap is already selected
*/
if (nBitmap == ptb->nSelectedBM)
return((HBITMAP)1);
if (!pTemp->hbm || (hRet=SelectObject(hDC, pTemp->hbm))==NULL)
{
if (pTemp->hbm)
DeleteObject(pTemp->hbm);
if (pTemp->hInst)
{
pTemp->hbm = CreateMappedBitmap(pTemp->hInst, pTemp->wID, 0, NULL, 0);
}
else
pTemp->hbm = (HBITMAP)pTemp->wID;
if (!pTemp->hbm || (hRet=SelectObject(hDC, pTemp->hbm))==NULL)
return(NULL);
}
ptb->nSelectedBM = nBitmap;
#ifdef WIN32
SetWindowOrgEx(hDC, nTot * ptb->iDxBitmap, 0, NULL);
#else // WIN32
SetWindowOrg(hDC, nTot * ptb->iDxBitmap, 0);
#endif
return(hRet);
}
void FAR PASCAL DrawBlankButton(HDC hdc, int x, int y, int dx, int dy, UINT state)
{
RECT r1;
// face color
PatB(hdc, x, y, dx, dy, g_clrBtnFace);
r1.left = x;
r1.top = y;
r1.right = x + dx;
r1.bottom = y + dy;
DrawFrameControl(hdc, &r1, DFC_BUTTON, ((state & TBSTATE_PRESSED) ? (DFCS_BUTTONPUSH | DFCS_PUSHED) : DFCS_BUTTONPUSH));
}
#define DSPDxax 0x00E20746
#define PSDPxax 0x00B8074A
#define FillBkColor(hdc, prc) ExtTextOut(hdc,0,0,ETO_OPAQUE,prc,NULL,0,NULL)
void NEAR PASCAL DrawFace(PTBSTATE ptb, LPTBBUTTON ptButton, HDC hdc, int x, int y,
int offx, int offy, int dx)
{
BitBlt(hdc, x + offx, y + offy, ptb->iDxBitmap, ptb->iDyBitmap,
g_hdcGlyphs, ptButton->iBitmap * ptb->iDxBitmap, 0, SRCCOPY);
if (ptButton->iString != -1 && (ptButton->iString < ptb->nStrings))
{
DrawString(ptb, hdc, x + 1, y + offy + ptb->iDyBitmap + 1, dx, ptb->pStrings[ptButton->iString]);
}
}
void FAR PASCAL DrawButton(HDC hdc, int x, int y, int dx, int dy, PTBSTATE ptb, LPTBBUTTON ptButton, BOOL bFaceCache)
{
int yOffset;
HBRUSH hbrOld;
BOOL bMaskCreated = FALSE;
BYTE state;
int xButton = 0; // assume button is down
int g_dxFace, g_dyFace;
int xCenterOffset;
g_dxFace = dx - 4;
g_dyFace = dy - 4;
// make local copy of state and do proper overriding
state = ptButton->fsState;
if (state & TBSTATE_INDETERMINATE) {
if (state & TBSTATE_PRESSED)
state &= ~TBSTATE_INDETERMINATE;
else if (state & TBSTATE_ENABLED)
state = TBSTATE_INDETERMINATE;
else
state &= ~TBSTATE_INDETERMINATE;
}
// get the proper button look-- up or down.
if (!(state & (TBSTATE_PRESSED | TBSTATE_CHECKED))) {
xButton = dx; // use 'up' version of button
}
if (bFaceCache)
BitBlt(hdc, x, y, dx, dy, g_hdcButton, xButton, 0, SRCCOPY);
else
DrawBlankButton(hdc, x, y, dx, dy, state);
// move coordinates inside border and away from upper left highlight.
// the extents change accordingly.
x += 2;
y += 2;
if (!SelectBM(g_hdcGlyphs, ptb, ptButton->iBitmap))
return;
// calculate offset of face from (x,y). y is always from the top,
// so the offset is easy. x needs to be centered in face.
yOffset = 1;
xCenterOffset = (g_dxFace - ptb->iDxBitmap)/2;
if (state & (TBSTATE_PRESSED | TBSTATE_CHECKED))
{
// pressed state moves down and to the right
xCenterOffset++;
yOffset++;
}
// now put on the face
if (state & TBSTATE_ENABLED) {
// regular version
DrawFace(ptb, ptButton, hdc, x, y, xCenterOffset, yOffset, g_dxFace);
} else {
// disabled version (or indeterminate)
bMaskCreated = TRUE;
CreateMask(ptb, ptButton, xCenterOffset, yOffset, g_dxFace, g_dyFace);
SetTextColor(hdc, 0L); // 0's in mono -> 0 (for ROP)
SetBkColor(hdc, 0x00FFFFFF); // 1's in mono -> 1
// draw glyph's white understrike
if (!(state & TBSTATE_INDETERMINATE)) {
hbrOld = SelectObject(hdc, g_hbrBtnHighlight);
if (hbrOld) {
// draw hilight color where we have 0's in the mask
BitBlt(hdc, x + 1, y + 1, g_dxFace, g_dyFace, g_hdcMono, 0, 0, PSDPxax);
SelectObject(hdc, hbrOld);
}
}
// gray out glyph
hbrOld = SelectObject(hdc, g_hbrBtnShadow);
if (hbrOld) {
// draw the shadow color where we have 0's in the mask
BitBlt(hdc, x, y, g_dxFace, g_dyFace, g_hdcMono, 0, 0, PSDPxax);
SelectObject(hdc, hbrOld);
}
if (state & TBSTATE_CHECKED) {
BitBlt(g_hdcMono, 1, 1, g_dxFace - 1, g_dyFace - 1, g_hdcMono, 0, 0, SRCAND);
}
}
if (state & (TBSTATE_CHECKED | TBSTATE_INDETERMINATE)) {
LOGBRUSH lb;
// BUGBUG, after the problem with craating the dither brush is cleared
// up, move this init to image InitDitherBrush()
#ifdef WIN32
HBRUSH hbrGray = (HBRUSH)DefWindowProc(ptb->hwnd, WM_CTLCOLORSCROLLBAR, (WPARAM)hdc, (LPARAM)ptb->hwnd);
#else
HBRUSH hbrGray = (HBRUSH)DefWindowProc(ptb->hwnd, WM_CTLCOLOR, (WPARAM)hdc,
MAKELPARAM(ptb->hwnd, CTLCOLOR_SCROLLBAR));
#endif
GetObject(hbrGray, sizeof(lb), &lb);
if (lb.lbStyle != BS_SOLID) {
hbrGray = g_hbrColorDither;
}
hbrOld = SelectObject(hdc, hbrGray);
if (hbrOld) {
if (!bMaskCreated)
CreateMask(ptb, ptButton, xCenterOffset, yOffset, g_dxFace, g_dyFace);
SetTextColor(hdc, 0L); // 0 -> 0
SetBkColor(hdc, 0x00FFFFFF); // 1 -> 1
// only draw the dither brush where the mask is 1's
BitBlt(hdc, x, y, g_dxFace, g_dyFace, g_hdcMono, 0, 0, DSPDxax);
SelectObject(hdc, hbrOld);
}
}
}
void FAR PASCAL FlushButtonCache(PTBSTATE ptb)
{
if (ptb->hbmCache) {
DeleteObject(ptb->hbmCache);
ptb->hbmCache = 0;
}
}
// make sure that g_hbmMono is big enough to do masks for this
// size of button. if not, fail.
BOOL NEAR PASCAL CheckMonoMask(int width, int height)
{
BITMAP bm;
HBITMAP hbmTemp;
GetObject(g_hbmMono, sizeof(BITMAP), &bm);
if (width > bm.bmWidth || height > bm.bmHeight) {
hbmTemp = CreateMonoBitmap(width, height);
if (!hbmTemp)
return FALSE;
SelectObject(g_hdcMono, hbmTemp);
DeleteObject(g_hbmMono);
g_hbmMono = hbmTemp;
}
return TRUE;
}
/*
** GrowToolbar
** Attempt to grow the button size.
** The calling function can either specify a new internal measurement
** or a new external measurement.
*/
BOOL NEAR PASCAL GrowToolbar(PTBSTATE ptb, int newButWidth, int newButHeight, BOOL bInside)
{
if (!newButWidth)
newButWidth = DEFAULTBUTTONX;
if (!newButHeight)
newButHeight = DEFAULTBUTTONY;
// if growing based on inside measurement, get full size
if (bInside) {
newButHeight += YSLOP;
newButWidth += XSLOP;
// if toolbar already has strings, don't shrink width it because it
// might clip room for the string
if ((newButWidth < ptb->iButWidth) && ptb->nStrings)
newButWidth = ptb->iButWidth;
}
else {
if (newButHeight == -1)
newButHeight = ptb->iButHeight;
if (newButWidth == -1)
newButWidth = ptb->iButWidth;
if (newButHeight < ptb->iDyBitmap + YSLOP)
newButHeight = ptb->iDyBitmap + YSLOP;
if (newButWidth < ptb->iDxBitmap + XSLOP)
newButWidth = ptb->iDxBitmap + XSLOP;
}
// if the size of the toolbar is actually growing, see if shadow
// bitmaps can be made sufficiently large.
if ((newButWidth > ptb->iButWidth) || (newButHeight > ptb->iButHeight)) {
if (!CheckMonoMask(newButWidth, newButHeight))
return(FALSE);
}
if (!bInside && (ptb->iButWidth != newButWidth) || (ptb->iButHeight != newButHeight))
InvalidateRect(ptb->hwnd, NULL, TRUE);
ptb->iButWidth = newButWidth;
ptb->iButHeight = newButHeight;
// bar height has 2 pixels above, 2 below
ptb->iYPos = 2;
FlushButtonCache(ptb);
FlushToolTipsMgr(ptb);
return TRUE;
}
BOOL NEAR PASCAL SetBitmapSize(PTBSTATE ptb, int width, int height)
{
int realh;
if (width == -1)
width = ptb->iDxBitmap;
if (height == -1)
height = ptb->iDyBitmap;
realh = height;
if ((ptb->iDxBitmap == width) && (ptb->iDyBitmap == height))
return TRUE;
if (ptb->nStrings)
realh = HeightWithString(ptb, height);
if (GrowToolbar(ptb, width, realh, TRUE)) {
ptb->iDxBitmap = width;
ptb->iDyBitmap = height;
return TRUE;
}
return FALSE;
}
void NEAR PASCAL TB_OnSysColorChange(PTBSTATE ptb)
{
int i;
PTBBMINFO pBitmap;
ReInitGlobalColors();
ColorDitherBrush_OnSysColorChange();
// Reset all of the bitmaps
for (i = ptb->nBitmaps - 1, pBitmap = ptb->pBitmaps; i >= 0; --i, ++pBitmap)
{
if (pBitmap->hInst && pBitmap->hbm)
{
DeleteObject(pBitmap->hbm);
pBitmap->hbm = NULL;
}
}
FlushButtonCache(ptb);
}
#define CACHE 0x01
#define BUILD 0x02
BOOL NEAR PASCAL ToolbarPaint(PTBSTATE ptb, HDC hdcIn)
{
RECT rc;
HDC hdc;
PAINTSTRUCT ps;
int iButton, xButton, yButton;
PTBBUTTON pAllButtons = ptb->Buttons;
HBITMAP hbmOldGlyphs;
int xCache = 0;
UINT wFlags = 0;
int iCacheWidth = 0;
HBITMAP hbmTemp;
BOOL bFaceCache = TRUE; // assume face cache exists
BOOL bFlushToolTipsMgr = FALSE;
GetClientRect(ptb->hwnd, &rc);
if (hdcIn)
{
hdc = hdcIn;
}
else
hdc = BeginPaint(ptb->hwnd, &ps);
if (!rc.right)
goto Error1;
// setup global stuff for fast painting
// We need to kick-start the bitmap selection process.
ptb->nSelectedBM = -1;
hbmOldGlyphs = SelectBM(g_hdcGlyphs, ptb, 0);
if (!hbmOldGlyphs)
goto Error1;
yButton = ptb->iYPos;
rc.top = ptb->iYPos;
rc.bottom = ptb->iYPos + ptb->iButHeight;
if (!ptb->hbmCache) {
// calculate the width of the cache.
for (iButton = 0; iButton < ptb->iNumButtons; iButton++)
{
if (!(pAllButtons[iButton].fsState & TBSTATE_HIDDEN) &&
!(pAllButtons[iButton].fsStyle & TBSTYLE_SEP))
iCacheWidth += ptb->iButWidth;
}
ptb->hbmCache = CreateCompatibleBitmap(g_hdcGlyphs, iCacheWidth, ptb->iButHeight);
wFlags |= BUILD;
// if needed, create or enlarge bitmap for pre-building button states
if (!(g_hbmFace &&
(ptb->iButWidth <= g_dxFace) &&
(ptb->iButHeight <= g_dyFace)))
{
hbmTemp = CreateCompatibleBitmap(g_hdcGlyphs, 2 * ptb->iButWidth, ptb->iButHeight);
if (hbmTemp)
{
SelectObject(g_hdcButton, hbmTemp);
if (g_hbmFace)
DeleteObject(g_hbmFace);
g_hbmFace = hbmTemp;
SetObjectOwner(g_hbmFace, HINST_THISDLL);
g_dxFace = ptb->iButWidth;
g_dyFace = ptb->iButHeight;
}
else
bFaceCache = FALSE;
}
bFlushToolTipsMgr = TRUE;
}
if (ptb->hbmCache)
{
SelectObject(g_hdcFaceCache, ptb->hbmCache);
wFlags |= CACHE;
}
else
wFlags = 0;
if (bFaceCache)
{
DrawBlankButton(g_hdcButton, 0, 0,
ptb->iButWidth, ptb->iButHeight, TBSTATE_PRESSED);
DrawBlankButton(g_hdcButton, ptb->iButWidth, 0,
ptb->iButWidth, ptb->iButHeight, 0);
}
for (iButton = 0, xButton = s_xFirstButton;
iButton < ptb->iNumButtons; iButton++)
{
PTBBUTTON pButton = &pAllButtons[iButton];
if (!(pButton->fsState & TBSTATE_HIDDEN))
{
if (pButton->fsStyle & TBSTYLE_SEP)
{
xButton += pButton->iBitmap;
}
else
{
if (wFlags & BUILD) {
BYTE bStateOld = pButton->fsState;
pButton->fsState &= ~TBSTATE_PRESSED;
DrawButton(g_hdcFaceCache, xCache, 0, ptb->iButWidth, ptb->iButHeight, ptb, pButton, bFaceCache);
pButton->fsState = bStateOld;
}
rc.left = xButton;
rc.right = xButton + ptb->iButWidth;
if (RectVisible(hdc, &rc))
{
if ((wFlags & CACHE) && !(pButton->fsState & TBSTATE_PRESSED))
BitBlt(hdc, xButton, yButton, ptb->iButWidth, ptb->iButHeight, g_hdcFaceCache, xCache, 0, SRCCOPY);
else
DrawButton(hdc, xButton, yButton, ptb->iButWidth, ptb->iButHeight, ptb, pButton, bFaceCache);
}
// advance the "pointer" in the cache
xCache += ptb->iButWidth;
xButton += (ptb->iButWidth - s_dxOverlap);
}
if (pButton->fsState & TBSTATE_WRAP)
{
int dy;
if (pButton->fsStyle & TBSTYLE_SEP)
dy = ptb->iButHeight + pButton->iBitmap * 2 / 3;
else
dy = ptb->iButHeight;
xButton = s_xFirstButton;
yButton += dy;
rc.top += dy;
rc.bottom += dy;
}
}
}
if (wFlags & CACHE)
SelectObject(g_hdcFaceCache, g_hbmDefault);
SelectObject(g_hdcGlyphs, hbmOldGlyphs);
Error1:
if (hdcIn == NULL)
EndPaint(ptb->hwnd, &ps);
return bFlushToolTipsMgr;
}
BOOL NEAR PASCAL GetItemRect(PTBSTATE ptb, UINT uButton, LPRECT lpRect)
{
UINT iButton, xPos, yPos;
PTBBUTTON pButton;
if (uButton >= (UINT)ptb->iNumButtons
|| (ptb->Buttons[uButton].fsState & TBSTATE_HIDDEN))
{
return FALSE;
}
xPos = s_xFirstButton;
yPos = ptb->iYPos;
for (iButton = 0, pButton = ptb->Buttons; iButton < uButton; iButton++, pButton++)
{
if (!(pButton->fsState & TBSTATE_HIDDEN))
{
if (pButton->fsStyle & TBSTYLE_SEP)
xPos += pButton->iBitmap;
else
xPos += (ptb->iButWidth - s_dxOverlap);
if (pButton->fsState & TBSTATE_WRAP)
{
if (pButton->fsStyle & TBSTYLE_SEP)
yPos += ptb->iButHeight + pButton->iBitmap * 2 / 3;
else
yPos += ptb->iButHeight;
xPos = s_xFirstButton;
}
}
}
// pButton should now point at the required button, and xPos should be
// its left edge. Note that we already checked if the button was hidden above
lpRect->left = xPos;
lpRect->right = xPos + (pButton->fsStyle & TBSTYLE_SEP ? pButton->iBitmap : ptb->iButWidth);
lpRect->top = yPos;
lpRect->bottom = yPos + ptb->iButHeight;
return TRUE;
}
void NEAR PASCAL InvalidateButton(PTBSTATE ptb, PTBBUTTON pButtonToPaint)
{
RECT rc;
if (GetItemRect(ptb, pButtonToPaint-ptb->Buttons, &rc))
{
InvalidateRect(ptb->hwnd, &rc, FALSE);
}
}
// do hit testing by sliding the origin of the supplied point
// returns:
// >= 0 index of non sperator item hit
// < 0 index of seperator or nearest non seperator item (area just below and to the left)
// +
// | -1 -1 -1 -1
// | btn sep btn
// | +-----+ +-----+
// | | | | |
// | -1 | 0 | -1 | 2 | -3
// | | | | |
// | +-----+ +-----+
// |
// | -1 -1 -1 -2 -3
int FAR PASCAL TBHitTest(PTBSTATE ptb, int xPos, int yPos)
{
int prev = 0;
int last = 0;
int i;
RECT rc;
if (ptb->iNumButtons == 0)
return(-1);
for (i=0; i<ptb->iNumButtons; i++)
{
if (GetItemRect(ptb, i, &rc))
{
if (yPos >= rc.top && yPos <= rc.bottom)
{
if (xPos >= rc.left && xPos <= rc.right)
{
if (ptb->Buttons[i].fsStyle & TBSTYLE_SEP)
return - i - 1;
else
return i;
}
else
{
prev = i + 1;
}
}
else
{
last = i;
}
}
}
if (prev)
return -1 - prev;
return last + 1;
#if 0
PTBBUTTON pBtnT, pBtnLast;
int iButton, xOriginal;
PTBBUTTON pButton;
xPos -= s_xFirstButton;
if (xPos < 0)
return -1;
yPos -= ptb->iYPos;
if (yPos < 0)
return -1;
xOriginal = xPos;
for (iButton = 0, pButton = ptb->Buttons; iButton < ptb->iNumButtons; iButton++, pButton++)
{
if (!(pButton->fsState & TBSTATE_HIDDEN))
{
if (pButton->fsStyle & TBSTYLE_SEP)
xPos -= pButton->iBitmap;
else
xPos -= (ptb->iButWidth - s_dxOverlap);
if (pButton->fsState & TBSTATE_WRAP)
{
xPos = xOriginal;
yPos -= ptb->iYPos + ptb->iButHeight;
}
if (xPos < 0)
{
if (yPos < (ptb->iYPos + ptb->iButHeight))
{
if (pButton->fsStyle & TBSTYLE_SEP)
break;
if (yPos < ptb->iButHeight)
return iButton;
else
break;
}
}
}
}
return -1 - iButton;
#endif
}
int NEAR PASCAL CountRows(PTBSTATE ptb)
{
PTBBUTTON pButton, pBtnLast;
int rows = 1;
pBtnLast = &(ptb->Buttons[ptb->iNumButtons]);
for (pButton = ptb->Buttons; pButton<pBtnLast; pButton++) {
if (pButton->fsState & TBSTATE_WRAP) {
rows++;
if (pButton->fsStyle & TBSTYLE_SEP)
rows++;
}
}
return rows;
}
/**** WrapToolbar:
* The buttons in the toolbar is layed out from left to right,
* top to bottom. If adding another button to the current row,
* while computing the layout, would cause that button to extend
* beyond the right edge or the client area, then locate a break-
* point (marked with the TBSTATE_WRAP flag). A break-point is:
* a) The right-most separator on the current row.
* b) The right-most button if there is no separator on the current row.
* A new row is also started at the end of any button group (sequence
* of buttons that are dlimited by separators) that are taller than
* or equal to two rows.
*/
void NEAR PASCAL WrapToolbar(PTBSTATE ptb, int dx, LPRECT lpRect, int FAR *pRows)
{
PTBBUTTON pButton, pBtnT, pBtnLast;
int xPos, yPos, xMax;
BOOL bFoundIt;
BOOL bNextBreak = FALSE;
xMax = ptb->iButWidth;
xPos = s_xFirstButton;
yPos = ptb->iYPos;
pBtnLast = &(ptb->Buttons[ptb->iNumButtons]);
if (pRows)
(*pRows)=1;
for (pButton = ptb->Buttons; pButton<pBtnLast; pButton++)
{
pButton->fsState &= ~TBSTATE_WRAP;
if (!(pButton->fsState & TBSTATE_HIDDEN))
{
if (pButton->fsStyle & TBSTYLE_SEP)
xPos += pButton->iBitmap;
else
xPos += (ptb->iButWidth - s_dxOverlap);
// The current row exceeds the right edge. Wrap it.
if (!(pButton->fsStyle&TBSTYLE_SEP) && (xPos > dx)) {
for (pBtnT=pButton, bFoundIt = FALSE;
pBtnT>ptb->Buttons && !(pBtnT->fsState & TBSTATE_WRAP);
pBtnT--)
{
if ((pBtnT->fsStyle & TBSTYLE_SEP) &&
!(pBtnT->fsState & TBSTATE_HIDDEN))
{
pBtnT->fsState |= TBSTATE_WRAP;
xPos = s_xFirstButton;
yPos += pBtnT->iBitmap * 2 / 3 + ptb->iButHeight;
bFoundIt = TRUE;
pButton = pBtnT;
bNextBreak = FALSE;
if (pRows)
(*pRows)++;
break;
}
}
// Did we find a separator? Force a wrap anyway!
if (bFoundIt==FALSE)
{
pBtnT = pButton;
if (pButton!=ptb->Buttons) {
/* Back-up to first non-hidden button. */
do {
pBtnT--;
} while ((pBtnT>ptb->Buttons) &&
(pBtnT->fsState & TBSTATE_HIDDEN));
/* Is it already wrapped? */
if (pBtnT->fsState & TBSTATE_WRAP)
pBtnT = pButton;
}
pBtnT->fsState |= TBSTATE_WRAP;
xPos = s_xFirstButton;
yPos += ptb->iButHeight;
pButton = pBtnT;
bNextBreak = TRUE;
}
// Count another row.
if (pRows)
(*pRows)++;
}
else
{
pButton->fsState &= ~TBSTATE_WRAP;
if ((pButton->fsStyle&TBSTYLE_SEP) && (bNextBreak))
{
bNextBreak = FALSE;
pButton->fsState |= TBSTATE_WRAP;
xPos = s_xFirstButton;
yPos += ptb->iButHeight + pButton->iBitmap * 2 / 3 ;
if (pRows)
(*pRows)+=2;
}
}
if (!(pButton->fsStyle&TBSTYLE_SEP))
xMax = max(xPos, xMax);
}
}
if (lpRect)
{
lpRect->left = 0;
lpRect->right = xMax;
lpRect->top = 0;
lpRect->bottom = yPos + ptb->iYPos + ptb->iButHeight;
}
}
BOOL NEAR PASCAL BoxIt(PTBSTATE ptb, int height, BOOL fLarger, LPRECT lpRect)
{
int dx, bwidth;
int rows, prevRows, prevWidth;
RECT rcCur;
if (height<1)
height = 1;
rows = CountRows(ptb);
if (height==rows || ptb->iNumButtons==0)
{
GetClientRect(ptb->hwnd, lpRect);
return FALSE;
}
bwidth = ptb->iButWidth-s_dxOverlap;
prevRows = ptb->iNumButtons+1;
prevWidth = bwidth;
for (rows=height+1, dx = bwidth; rows>height;dx+=bwidth/4)
{
WrapToolbar(ptb, dx, &rcCur, &rows);
if (rows<prevRows && rows>height)
{
prevWidth = dx;
prevRows = rows;
}
}
if (rows<height && fLarger)
{
WrapToolbar(ptb, prevWidth, &rcCur, NULL);
}
if (lpRect)
*lpRect = rcCur;
return TRUE;
}
int FAR PASCAL PositionFromID(PTBSTATE ptb, int id)
{
int i;
// Handle case where this is sent at the wrong time..
if (ptb == NULL)
return -1;
// note, we don't skip seperators, so you better not have conflicting
// cmd ids and seperator ids.
for (i = 0; i < ptb->iNumButtons; i++)
if (ptb->Buttons[i].idCommand == id)
return i; // position found
return -1; // ID not found!
}
// check a radio button by button index.
// the button matching idCommand was just pressed down. this forces
// up all other buttons in the group.
// this does not work with buttons that are forced up with
void NEAR PASCAL MakeGroupConsistant(PTBSTATE ptb, int idCommand)
{
int i, iFirst, iLast, iButton;
int cButtons = ptb->iNumButtons;
PTBBUTTON pAllButtons = ptb->Buttons;
iButton = PositionFromID(ptb, idCommand);
if (iButton < 0)
return;
// assertion
// if (!(pAllButtons[iButton].fsStyle & TBSTYLE_CHECK))
// return;
// did the pressed button just go down?
if (!(pAllButtons[iButton].fsState & TBSTATE_CHECKED))
return; // no, can't do anything
// find the limits of this radio group
for (iFirst = iButton; (iFirst > 0) && (pAllButtons[iFirst].fsStyle & TBSTYLE_GROUP); iFirst--)
if (!(pAllButtons[iFirst].fsStyle & TBSTYLE_GROUP))
iFirst++;
cButtons--;
for (iLast = iButton; (iLast < cButtons) && (pAllButtons[iLast].fsStyle & TBSTYLE_GROUP); iLast++);
if (!(pAllButtons[iLast].fsStyle & TBSTYLE_GROUP))
iLast--;
// search for the currently down button and pop it up
for (i = iFirst; i <= iLast; i++) {
if (i != iButton) {
// is this button down?
if (pAllButtons[i].fsState & TBSTATE_CHECKED) {
pAllButtons[i].fsState &= ~TBSTATE_CHECKED; // pop it up
InvalidateButton(ptb, &pAllButtons[i]);
break; // only one button is down right?
}
}
}
}
void NEAR PASCAL DestroyStrings(PTBSTATE ptb)
{
PSTR *p;
PSTR end = 0, start = 0;
int i;
p = ptb->pStrings;
for (i = 0; i < ptb->nStrings; i++) {
if (!(*p < end) && (*p > start)) {
start = (*p);
end = start + LocalSize((HANDLE)*p);
LocalFree((HANDLE)*p);
}
p++;
}
LocalFree((HANDLE)ptb->pStrings);
}
#define MAXSTRINGSIZE 1024
int NEAR PASCAL AddStrings(PTBSTATE ptb, WPARAM wParam, LPARAM lParam)
{
int i;
HFONT hOldFont;
LPSTR lpsz;
PSTR pString, psz;
int numstr;
PSTR *pFoo;
PSTR *pOffset;
char cSeparator;
int len;
int newWidth;
// read the string as a resource
if (wParam != 0) {
pString = (PSTR)LocalAlloc(LPTR, MAXSTRINGSIZE);
if (!pString)
return -1;
i = LoadString((HINSTANCE)wParam, LOWORD(lParam), (LPSTR)pString, MAXSTRINGSIZE);
if (!i) {
LocalFree(pString);
return -1;
}
// realloc string buffer to actual needed size
LocalReAlloc(pString, (i + 1) * sizeof(TCHAR), LMEM_MOVEABLE);
// convert separators to '\0' and count number of strings
cSeparator = *pString;
#ifdef DBCS
for (numstr = 0, psz = pString + 1, i--; i; i--, psz = AnsiNext(psz)) {
{
// extra i-- if DBCS
if (AnsiPrev(pString, psz)==(psz-2))
i--;
if (*psz == cSeparator) {
if (i != 1) // We don't want to count the second terminator as another string
numstr++;
*psz = 0; // terminate with 0
}
}
#else
for (numstr = 0, psz = pString + 1, i--; i; i--, psz++) {
if (*psz == cSeparator) {
if (i != 1) // We don't want to count the second terminator as another string
numstr++;
*psz = 0; // terminate with 0
}
#endif
// shift string to the left to overwrite separator identifier
*(psz - 1) = *psz;
}
}
// read explicit string. copy it into local memory, too.
else {
// find total length and number of strings
for (i = 0, numstr = 0, lpsz = (LPSTR)lParam;;) {
i++;
if (*lpsz == 0) {
numstr++;
if (*(lpsz + 1) == 0)
break;
}
lpsz++;
}
pString = (PSTR)LocalAlloc(LPTR, i);
if (!pString)
return -1;
hmemcpy(pString, (void FAR *)lParam, i);
}
// make room for increased string pointer table
if (ptb->pStrings)
pFoo = (PSTR *)LocalReAlloc(ptb->pStrings,
(ptb->nStrings + numstr) * sizeof(PSTR), LMEM_MOVEABLE);
else
pFoo = (PSTR *)LocalAlloc(LPTR, numstr * sizeof(PSTR));
if (!pFoo) {
LocalFree(pString);
return -1;
}
ptb->pStrings = pFoo;
// pointer to next open slot in string index table.
pOffset = ptb->pStrings + ptb->nStrings;
hOldFont = SelectObject(g_hdcMono, ptb->hfontIcon);
// fix up string pointer table to deal with the new strings.
// check if any string is big enough to necessitate a wider button.
newWidth = ptb->iDxBitmap;
for (i = 0; i < numstr; i++, pOffset++)
{
SIZE size;
*pOffset = pString;
len = lstrlen(pString);
GetTextExtentPoint(g_hdcMono, pString, len, &size);
if (size.cx > newWidth)
newWidth = size.cx;
pString += len + 1;
}
if (hOldFont)
SelectObject(g_hdcMono, hOldFont);
// is the world big enough to handle the larger buttons?
if (!GrowToolbar(ptb, newWidth, HeightWithString(ptb, ptb->iDyBitmap), TRUE))
{
// back out changes.
if (ptb->nStrings == 0) {
LocalFree(ptb->pStrings);
ptb->pStrings = 0;
}
else
ptb->pStrings = (PSTR *)LocalReAlloc(ptb->pStrings,
ptb->nStrings * sizeof(PSTR), LMEM_MOVEABLE);
LocalFree(pString);
return -1;
}
i = ptb->nStrings;
ptb->nStrings += numstr;
return i; // index of first added string
}
#ifdef WIN32
void NEAR PASCAL MapToStandardBitmaps(HINSTANCE FAR *phinst, UINT FAR * pidBM, int FAR *pnButtons)
{
if (*phinst == HINST_COMMCTRL) {
*phinst = g_hinst;
// low 2 bits are coded M(mono == ~color) L(large == ~small)
// 0 0 -> color small
// 0 1 -> color large
// ...
// 1 1 -> mono large
switch (*pidBM)
{
case IDB_STD_SMALL_COLOR:
case IDB_STD_LARGE_COLOR:
case IDB_STD_SMALL_MONO:
case IDB_STD_LARGE_MONO:
*pidBM = IDB_STDTB_SMALL_COLOR + (*pidBM & 1);
*pnButtons = STD_PRINT + 1;
break;
case IDB_VIEW_SMALL_COLOR:
case IDB_VIEW_LARGE_COLOR:
case IDB_VIEW_SMALL_MONO:
case IDB_VIEW_LARGE_MONO:
*pidBM = IDB_VIEWTB_SMALL_COLOR + (*pidBM & 1);
*pnButtons = VIEW_NEWFOLDER + 1;
break;
}
}
}
#endif
/* Adds a new bitmap to the list of BMs available for this toolbar.
* Returns the index of the first button in the bitmap or -1 if there
* was an error.
*/
int NEAR PASCAL AddBitmap(PTBSTATE ptb, int nButtons, HINSTANCE hBMInst, UINT idBM)
{
PTBBMINFO pTemp;
int nBM, nIndex;
// map things to the standard toolbar images
#ifdef WIN32
if (hBMInst == HINST_COMMCTRL) // -1
{
// set the proper dimensions...
if (idBM & 1)
SetBitmapSize(ptb, LARGE_DXYBITMAP, LARGE_DXYBITMAP);
else
SetBitmapSize(ptb, SMALL_DXYBITMAP, SMALL_DXYBITMAP);
MapToStandardBitmaps(&hBMInst, &idBM, &nButtons);
}
#endif
if (ptb->pBitmaps)
{
/* Check if the bitmap has already been added
*/
for (nBM=ptb->nBitmaps, pTemp=ptb->pBitmaps, nIndex=0;
nBM>0; --nBM, ++pTemp)
{
if (pTemp->hInst==hBMInst && pTemp->wID==idBM)
{
/* We already have this bitmap, but have we "registered" all
* the buttons in it?
*/
if (pTemp->nButtons >= nButtons)
return(nIndex);
if (nBM == 1)
{
/* If this is the last bitmap, we can easily increase the
* number of buttons without messing anything up.
*/
pTemp->nButtons = nButtons;
return(nIndex);
}
}
nIndex += pTemp->nButtons;
}
pTemp = (PTBBMINFO)LocalReAlloc(ptb->pBitmaps,
(ptb->nBitmaps + 1)*sizeof(TBBMINFO), LMEM_MOVEABLE);
if (!pTemp)
return(-1);
ptb->pBitmaps = pTemp;
}
else
{
ptb->pBitmaps = (PTBBMINFO)LocalAlloc(LPTR, sizeof(TBBMINFO));
if (!ptb->pBitmaps)
return(-1);
}
pTemp = ptb->pBitmaps + ptb->nBitmaps;
pTemp->hInst = hBMInst;
pTemp->wID = idBM;
pTemp->nButtons = nButtons;
pTemp->hbm = NULL;
++ptb->nBitmaps;
for (nButtons=0, --pTemp; pTemp>=ptb->pBitmaps; --pTemp)
nButtons += pTemp->nButtons;
return(nButtons);
}
BOOL NEAR PASCAL ReplaceBitmap(PTBSTATE ptb, LPTBREPLACEBITMAP lprb)
{
int nBM;
PTBBMINFO pTemp;
#ifdef WIN32
int iTemp;
MapToStandardBitmaps(&lprb->hInstOld, &lprb->nIDOld, &iTemp);
MapToStandardBitmaps(&lprb->hInstNew, &lprb->nIDNew, &lprb->nButtons);
#endif
for (nBM=ptb->nBitmaps, pTemp=ptb->pBitmaps;
nBM>0; --nBM, ++pTemp)
{
if (pTemp->hInst==lprb->hInstOld && pTemp->wID==lprb->nIDOld)
{
// number of buttons must match
if (pTemp->hInst && pTemp->hbm)
DeleteObject(pTemp->hbm);
pTemp->hbm = NULL;
pTemp->hInst = lprb->hInstNew;
pTemp->wID = lprb->nIDNew;
pTemp->nButtons = lprb->nButtons;
FlushButtonCache(ptb);
return TRUE;
}
}
return FALSE;
}
void FAR PASCAL FlushToolTipsMgr(PTBSTATE ptb) {
// change all the rects for the tool tips mgr. this is
// cheap, and we don't do it often, so go ahead
// and do them all.
if(ptb->hwndToolTips) {
UINT i;
TOOLINFO ti;
PTBBUTTON pButton;
ti.cbSize = sizeof(ti);
ti.hwnd = ptb->hwnd;
ti.lpszText = LPSTR_TEXTCALLBACK;
for ( i = 0, pButton = ptb->Buttons;
i < (UINT)ptb->iNumButtons;
i++, pButton++) {
if (!(pButton->fsStyle & TBSTYLE_SEP)) {
ti.uId = pButton->idCommand;
if (!GetItemRect(ptb, i, &ti.rect))
ti.rect.left = ti.rect.right = ti.rect.top = ti.rect.bottom = 0;
SendMessage(ptb->hwndToolTips, TTM_NEWTOOLRECT, 0, (LPARAM)((LPTOOLINFO)&ti));
}
}
}
}
BOOL FAR PASCAL InsertButtons(PTBSTATE ptb, UINT uWhere, UINT uButtons, LPTBBUTTON lpButtons)
{
PTBBUTTON pIn, pOut;
PTBSTATE ptbNew;
// comments by chee (not the original author) so they not be
// exactly right... be warned.
if (!ptb || !ptb->uStructSize)
return FALSE;
// enlarge the main structure
ptbNew = (PTBSTATE)LocalReAlloc(ptb, sizeof(TBSTATE) - sizeof(TBBUTTON)
+ (ptb->iNumButtons + uButtons) * sizeof(TBBUTTON),
LMEM_MOVEABLE);
if (!ptbNew)
return FALSE;
#ifdef DEBUG
if (ptbNew != ptb)
DebugMsg(DM_TRACE, "InsertButtons caused the ptb to change!");
#endif
ptb = ptbNew;
SetWindowInt(ptb->hwnd, 0, (int)ptb);
// if where points beyond the end, set it at the end
if (uWhere > (UINT)ptb->iNumButtons)
uWhere = ptb->iNumButtons;
// move buttons above uWhere up uButton spaces
// the uWhere gets inverted and counts to zero..
for (pIn=ptb->Buttons+ptb->iNumButtons-1, pOut=pIn+uButtons,
uWhere=(UINT)ptb->iNumButtons-uWhere; uWhere>0;
--pIn, --pOut, --uWhere)
*pOut = *pIn;
// now do the copy.
for (lpButtons=(LPTBBUTTON)((LPSTR)lpButtons+ptb->uStructSize*(uButtons-1)),
ptb->iNumButtons+=(int)uButtons; // init
uButtons>0; //test
--pOut, lpButtons=(LPTBBUTTON)((LPSTR)lpButtons-ptb->uStructSize), --uButtons)
{
TBInputStruct(ptb, pOut, lpButtons);
if(ptb->hwndToolTips && !(lpButtons->fsStyle & TBSTYLE_SEP)) {
TOOLINFO ti;
// don't bother setting the rect because we'll do it below
// in FlushToolTipsMgr;
ti.cbSize = sizeof(ti);
ti.uFlags = 0;
ti.hwnd = ptb->hwnd;
ti.uId = lpButtons->idCommand;
ti.lpszText = LPSTR_TEXTCALLBACK;
SendMessage(ptb->hwndToolTips, TTM_ADDTOOL, 0,
(LPARAM)(LPTOOLINFO)&ti);
}
if ((pOut->fsStyle & TBSTYLE_SEP) && pOut->iBitmap <=0)
pOut->iBitmap = g_dxButtonSep;
}
// flush the cache
FlushButtonCache(ptb);
// Re-compute layout if toolbar is wrapable.
if (ptb->style & TBSTYLE_WRAPABLE) {
SendMessage(ptb->hwnd, TB_AUTOSIZE, 0, 0);
}
// We need to completely redraw the toolbar at this point.
InvalidateRect(ptb->hwnd, NULL, TRUE);
return(TRUE);
}
/* Notice that the state structure is not realloc'ed smaller at this
* point. This is a time optimization, and the fact that the structure
* will not move is used in other places.
*/
BOOL FAR PASCAL DeleteButton(PTBSTATE ptb, UINT uIndex)
{
PTBBUTTON pIn, pOut;
if (uIndex >= (UINT)ptb->iNumButtons)
return FALSE;
if (ptb->hwndToolTips) {
TOOLINFO ti;
ti.cbSize = sizeof(ti);
ti.hwnd = ptb->hwnd;
ti.uId = ptb->Buttons[uIndex].idCommand;
SendMessage(ptb->hwndToolTips, TTM_DELTOOL, 0, (LPARAM)(LPTOOLINFO)&ti);
}
--ptb->iNumButtons;
for (pOut=ptb->Buttons+uIndex, pIn=pOut+1;
uIndex<(UINT)ptb->iNumButtons; ++uIndex, ++pIn, ++pOut)
*pOut = *pIn;
// flush the cache
FlushButtonCache(ptb);
// We need to completely redraw the toolbar at this point.
InvalidateRect(ptb->hwnd, NULL, TRUE);
return TRUE;
}
// deal with old TBBUTON structs for compatibility
void FAR PASCAL TBInputStruct(PTBSTATE ptb, LPTBBUTTON pButtonInt, LPTBBUTTON pButtonExt)
{
if (ptb->uStructSize >= sizeof(TBBUTTON))
{
*pButtonInt = *pButtonExt;
}
else
/* It is assumed the only other possibility is the OLDBUTTON struct */
{
*(LPOLDTBBUTTON)pButtonInt = *(LPOLDTBBUTTON)pButtonExt;
/* We don't care about dwData */
pButtonInt->dwData = 0;
pButtonInt->iString = -1;
}
}
void NEAR PASCAL TBOutputStruct(PTBSTATE ptb, LPTBBUTTON pButtonInt, LPTBBUTTON pButtonExt)
{
if (ptb->uStructSize >= sizeof(TBBUTTON))
{
LPSTR pOut;
int i;
/* Fill the part we know about and fill the rest with 0's
*/
*pButtonExt = *pButtonInt;
for (i = ptb->uStructSize - sizeof(TBBUTTON), pOut = (LPSTR)(pButtonExt + 1);
i > 0; --i, ++pOut)
{
*pOut = 0;
}
}
else
/* It is assumed the only other possibility is the OLDBUTTON struct */
{
*(LPOLDTBBUTTON)pButtonExt = *(LPOLDTBBUTTON)pButtonInt;
}
}
void NEAR PASCAL TBOnButtonStructSize(PTBSTATE ptb, UINT uStructSize)
{
/* You are not allowed to change this after adding buttons.
*/
if (ptb && !ptb->iNumButtons)
{
ptb->uStructSize = uStructSize;
}
}
LRESULT CALLBACK ToolbarWndProc(HWND hWnd, UINT wMsg, WPARAM wParam, LPARAM lParam)
{
BOOL fSameButton;
PTBBUTTON ptbButton;
int iPos;
BYTE fsState;
DWORD dw;
PTBSTATE ptb = (PTBSTATE)GetWindowInt(hWnd, 0);
switch (wMsg) {
case WM_NCCREATE:
#define lpcs ((LPCREATESTRUCT)lParam)
InitDitherBrush();
InitGlobalMetrics(0);
InitGlobalColors();
if (!InitGlobalObjects())
{
FreeGlobalObjects();
return 0; // WM_NCCREATE failure is 0
}
/* create the state data for this toolbar */
ptb = (PTBSTATE)LocalAlloc(LPTR, sizeof(TBSTATE) - sizeof(TBBUTTON));
if (!ptb)
return 0; // WM_NCCREATE failure is 0
// note, zero init memory from above
ptb->hwnd = hWnd;
ptb->hwndCommand = lpcs->hwndParent;
ptb->style = lpcs->style;
ptb->hfontIcon = NULL; // initialize to null.
ptb->uStructSize = 0;
// Now Initialize the hfont we will use.
TBChangeFont(ptb, 0);
// grow the button size to the appropriate girth
if (!SetBitmapSize(ptb, DEFAULTBITMAPX, DEFAULTBITMAPX))
{
LocalFree((HLOCAL)ptb);
return 0; // WM_NCCREATE failure is 0
}
SetWindowInt(hWnd, 0, (int)ptb);
if (!(ptb->style & (CCS_TOP | CCS_NOMOVEY | CCS_BOTTOM)))
{
ptb->style |= CCS_TOP;
SetWindowLong(hWnd, GWL_STYLE, ptb->style);
}
if (ptb->style & TBSTYLE_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)hWnd;
ti.lpszText = 0;
ptb->hwndToolTips = CreateWindow(c_szSToolTipsClass, NULL,
WS_POPUP, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
hWnd, NULL, lpcs->hInstance, NULL);
SendMessage(ptb->hwndToolTips, TTM_ADDTOOL, 0,
(LPARAM)(LPTOOLINFO)&ti);
}
return TRUE;
case WM_DESTROY:
if (ptb)
{
PTBBMINFO pTemp;
int i;
/* Free all the bitmaps before exiting
*/
for (pTemp = ptb->pBitmaps, i = ptb->nBitmaps - 1; i >= 0; ++pTemp, --i)
{
if (pTemp->hInst && pTemp->hbm)
DeleteObject(pTemp->hbm);
}
FlushButtonCache(ptb);
if (ptb->nStrings > 0)
DestroyStrings(ptb);
if (ptb->hfontIcon)
DeleteObject(ptb->hfontIcon);
if (ptb->pBitmaps)
LocalFree(ptb->pBitmaps);
LocalFree((HLOCAL)ptb);
SetWindowInt(hWnd, 0, 0);
}
FreeGlobalObjects();
TerminateDitherBrush();
break;
case WM_NCCALCSIZE:
// let defwindowproc handle the standard borders etc...
dw = DefWindowProc(hWnd, wMsg, wParam, lParam);
// add the extra edge at the top of the toolbar to seperate from the menu bar
if (!(ptb->style & CCS_NODIVIDER))
{
((NCCALCSIZE_PARAMS FAR *)lParam)->rgrc[0].top += g_cyEdge;
}
return dw;
case WM_NCHITTEST:
return HTCLIENT;
case WM_NCACTIVATE: // BUGBUG: really needed? actiave and inactive draw the same.
case WM_NCPAINT:
// old-style toolbars are forced to be without dividers above
if (!(ptb->style & CCS_NODIVIDER))
{
RECT rc;
HDC hdc = GetWindowDC(hWnd);
GetWindowRect(hWnd, &rc);
MapWindowRect(NULL, hWnd, &rc); // screen -> client
rc.bottom = -rc.top; // bottom of NC area
rc.top = rc.bottom - g_cyEdge;
DrawEdge(hdc, &rc, BDR_SUNKENOUTER, BF_TOP | BF_BOTTOM);
ReleaseDC(hWnd, hdc);
}
else
goto DoDefault;
break;
case WM_PRINTCLIENT:
case WM_PAINT:
{
BOOL bFlushToolTipsMgr;
ENTERCRITICAL;
// BUGUG: out bogus paint code uses lots of globals so this
// must be atomic. bogus hu?
bFlushToolTipsMgr = ToolbarPaint(ptb, (HDC)wParam);
LEAVECRITICAL;
if (bFlushToolTipsMgr) {
FlushToolTipsMgr(ptb);
}
}
break;
case WM_SYSCOLORCHANGE:
TB_OnSysColorChange(ptb);
break;
case TB_GETROWS:
return CountRows(ptb);
case TB_SETROWS:
{
RECT rc;
if (BoxIt(ptb, LOWORD(wParam), HIWORD(wParam), &rc))
{
FlushToolTipsMgr(ptb);
SetWindowPos(hWnd, NULL, 0, 0, rc.right, rc.bottom,
SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOMOVE);
InvalidateRect(hWnd, NULL, TRUE);
}
if (lParam)
*((RECT FAR *)lParam) = rc;
}
break;
case TB_AUTOSIZE:
case WM_SIZE:
{
HWND hwndParent;
RECT rc;
hwndParent = GetParent(hWnd);
if (!hwndParent)
break;
if (ptb->style & TBSTYLE_WRAPABLE)
{
RECT rcNew;
if ((ptb->style & CCS_NORESIZE) || (ptb->style & CCS_NOPARENTALIGN)) {
GetWindowRect(hWnd, &rc);
} else {
GetWindowRect(hwndParent, &rc);
}
WrapToolbar(ptb, rc.right - rc.left, &rcNew, NULL);
FlushToolTipsMgr(ptb);
}
GetWindowRect(hWnd, &rc);
MapWindowPoints(HWND_DESKTOP, hwndParent, (LPPOINT)&rc, 2);
NewSize(hWnd, ptb->iButHeight * CountRows(ptb) + g_cxEdge * 2, ptb->style,
rc.left, rc.top, rc.right, rc.bottom);
break;
}
case WM_COMMAND:
case WM_DRAWITEM:
case WM_MEASUREITEM:
case WM_VKEYTOITEM:
case WM_CHARTOITEM:
SendMessage(ptb->hwndCommand, wMsg, wParam, lParam);
break;
case WM_RBUTTONDBLCLK:
if (!SendNotify(ptb->hwndCommand, hWnd, NM_RDBLCLK, NULL))
goto DoDefault;
break;
case WM_RBUTTONUP:
if (!SendNotify(ptb->hwndCommand, hWnd, NM_RCLICK, NULL))
goto DoDefault;
break;
case WM_LBUTTONDBLCLK:
#ifndef IEWIN31_25
iPos = TBHitTest(ptb, LOWORD(lParam), HIWORD(lParam));
if (iPos < 0 && (ptb->style & CCS_ADJUSTABLE))
{
iPos = -1 - iPos;
CustomizeTB(ptb, iPos);
} else {
goto HandleLButtonDown;
}
#else
goto HandleLButtonDown;
#endif
break;
case WM_LBUTTONDOWN:
RelayToToolTips(ptb->hwndToolTips, hWnd, wMsg, wParam, lParam);
iPos = TBHitTest(ptb, LOWORD(lParam), HIWORD(lParam));
#ifndef IEWIN31_25
if ((ptb->style & CCS_ADJUSTABLE) &&
(((wParam & MK_SHIFT) && !(ptb->style & TBSTYLE_ALTDRAG)) ||
((GetKeyState(VK_MENU) & ~1) && (ptb->style & TBSTYLE_ALTDRAG))))
{
MoveButton(ptb, iPos);
}
else
#endif
{
HandleLButtonDown:
if (iPos >= 0 && iPos < ptb->iNumButtons)
{
// should this check for the size of the button struct?
ptbButton = ptb->Buttons + iPos;
ptb->pCaptureButton = ptbButton;
SetCapture(hWnd);
if (ptbButton->fsState & TBSTATE_ENABLED)
{
ptbButton->fsState |= TBSTATE_PRESSED;
InvalidateButton(ptb, ptbButton);
UpdateWindow(hWnd); // imedeate feedback
}
SendItemNotify(ptb, ptb->pCaptureButton->idCommand, TBN_BEGINDRAG);
}
}
break;
case WM_MOUSEMOVE:
RelayToToolTips(ptb->hwndToolTips, hWnd, wMsg, wParam, lParam);
// if the toolbar has lost the capture for some reason, stop
if (ptb->pCaptureButton == NULL) {
//DebugMsg(DM_TRACE, "Bail because pCaptureButton == NULL");
break;
}
if (hWnd != GetCapture())
{
//DebugMsg(DM_TRACE, "cature isn't us");
SendItemNotify(ptb, ptb->pCaptureButton->idCommand, TBN_ENDDRAG);
// if the button is still pressed, unpress it.
if (ptb->pCaptureButton->fsState & TBSTATE_PRESSED)
SendMessage(hWnd, TB_PRESSBUTTON, ptb->pCaptureButton->idCommand, 0L);
ptb->pCaptureButton = NULL;
}
else if (ptb->pCaptureButton->fsState & TBSTATE_ENABLED)
{
//DebugMsg(DM_TRACE, "cature IS us, and state is enabled");
iPos = TBHitTest(ptb, LOWORD(lParam), HIWORD(lParam));
fSameButton = (iPos >= 0 && ptb->pCaptureButton == ptb->Buttons + iPos);
if (fSameButton == !(ptb->pCaptureButton->fsState & TBSTATE_PRESSED))
{
//DebugMsg(DM_TRACE, "cature IS us, and Button is different");
ptb->pCaptureButton->fsState ^= TBSTATE_PRESSED;
InvalidateButton(ptb, ptb->pCaptureButton);
}
}
break;
case WM_LBUTTONUP:
RelayToToolTips(ptb->hwndToolTips, hWnd, wMsg, wParam, lParam);
if (ptb->pCaptureButton != NULL) {
int idCommand = ptb->pCaptureButton->idCommand;
ReleaseCapture();
SendItemNotify(ptb, idCommand, TBN_ENDDRAG);
iPos = TBHitTest(ptb, LOWORD(lParam), HIWORD(lParam));
if ((ptb->pCaptureButton->fsState & TBSTATE_ENABLED) && iPos >=0
&& (ptb->pCaptureButton == ptb->Buttons+iPos)) {
ptb->pCaptureButton->fsState &= ~TBSTATE_PRESSED;
if (ptb->pCaptureButton->fsStyle & TBSTYLE_CHECK) {
if (ptb->pCaptureButton->fsStyle & TBSTYLE_GROUP) {
// group buttons already checked can't be force
// up by the user.
if (ptb->pCaptureButton->fsState & TBSTATE_CHECKED) {
ptb->pCaptureButton = NULL;
break; // bail!
}
ptb->pCaptureButton->fsState |= TBSTATE_CHECKED;
MakeGroupConsistant(ptb, idCommand);
} else {
ptb->pCaptureButton->fsState ^= TBSTATE_CHECKED; // toggle
}
// if we change a button's state, we need to flush the
// cache
FlushButtonCache(ptb);
}
InvalidateButton(ptb, ptb->pCaptureButton);
ptb->pCaptureButton = NULL;
FORWARD_WM_COMMAND(ptb->hwndCommand, idCommand, hWnd, BN_CLICKED, SendMessage);
}
else {
ptb->pCaptureButton = NULL;
}
}
break;
case WM_WININICHANGE:
InitGlobalMetrics(wParam);
TBChangeFont(ptb, wParam);
break;
case WM_NOTIFY:
switch (((LPNMHDR)lParam)->code) {
case TTN_SHOW:
case TTN_POP:
case TTN_NEEDTEXT:
SendMessage(ptb->hwndCommand, WM_NOTIFY, wParam, lParam);
break;
}
break;
case WM_STYLECHANGED:
if (wParam == GWL_STYLE)
{
ptb->style = ((LPSTYLESTRUCT)lParam)->styleNew;
DebugMsg(DM_TRACE, "toolbar window style changed %x", ptb->style);
}
return 0;
case TB_SETSTATE:
iPos = PositionFromID(ptb, (int)wParam);
if (iPos < 0)
return FALSE;
ptbButton = ptb->Buttons + iPos;
fsState = (BYTE)(LOWORD(lParam) ^ ptbButton->fsState);
ptbButton->fsState = (BYTE)LOWORD(lParam);
if (fsState)
// flush the button cache
//!!!! this could be much more intelligent
FlushButtonCache(ptb);
if (fsState & TBSTATE_HIDDEN)
InvalidateRect(hWnd, NULL, TRUE);
else if (fsState)
InvalidateButton(ptb, ptbButton);
return TRUE;
// set the cmd ID of a button based on its position
case TB_SETCMDID:
if (wParam >= (UINT)ptb->iNumButtons)
return FALSE;
ptb->Buttons[wParam].idCommand = (UINT)lParam;
return TRUE;
case TB_GETSTATE:
iPos = PositionFromID(ptb, (int)wParam);
if (iPos < 0)
return -1L;
return ptb->Buttons[iPos].fsState;
case TB_ENABLEBUTTON:
case TB_CHECKBUTTON:
case TB_PRESSBUTTON:
case TB_HIDEBUTTON:
case TB_INDETERMINATE:
iPos = PositionFromID(ptb, (int)wParam);
if (iPos < 0)
return FALSE;
ptbButton = &ptb->Buttons[iPos];
fsState = ptbButton->fsState;
if (LOWORD(lParam))
ptbButton->fsState |= wStateMasks[wMsg - TB_ENABLEBUTTON];
else
ptbButton->fsState &= ~wStateMasks[wMsg - TB_ENABLEBUTTON];
// did this actually change the state?
if (fsState != ptbButton->fsState) {
// is this button a member of a group?
if ((wMsg == TB_CHECKBUTTON) && (ptbButton->fsStyle & TBSTYLE_GROUP))
MakeGroupConsistant(ptb, (int)wParam);
// flush the button cache
//!!!! this could be much more intelligent
FlushButtonCache(ptb);
if (wMsg == TB_HIDEBUTTON)
InvalidateRect(hWnd, NULL, TRUE);
else
InvalidateButton(ptb, ptbButton);
}
return(TRUE);
case TB_ISBUTTONENABLED:
case TB_ISBUTTONCHECKED:
case TB_ISBUTTONPRESSED:
case TB_ISBUTTONHIDDEN:
case TB_ISBUTTONINDETERMINATE:
iPos = PositionFromID(ptb, (int)wParam);
if (iPos < 0)
return(-1L);
return (LRESULT)ptb->Buttons[iPos].fsState & wStateMasks[wMsg - TB_ISBUTTONENABLED];
case TB_ADDBITMAP:
#ifdef WIN32
case TB_ADDBITMAP32: // only for compatibility with mail
#define pab ((LPTBADDBITMAP)lParam)
return AddBitmap(ptb, wParam, pab->hInst, pab->nID);
#undef pab
#else
return AddBitmap(ptb, wParam, (HINSTANCE)LOWORD(lParam), HIWORD(lParam));
#endif
case TB_REPLACEBITMAP:
return ReplaceBitmap(ptb, (LPTBREPLACEBITMAP)lParam);
case TB_ADDSTRING:
return AddStrings(ptb, wParam, lParam);
case TB_ADDBUTTONS:
return InsertButtons(ptb, (UINT)-1, wParam, (LPTBBUTTON)lParam);
case TB_INSERTBUTTON:
return InsertButtons(ptb, wParam, 1, (LPTBBUTTON)lParam);
case TB_DELETEBUTTON:
return DeleteButton(ptb, wParam);
case TB_GETBUTTON:
if (wParam >= (UINT)ptb->iNumButtons)
return(FALSE);
TBOutputStruct(ptb, ptb->Buttons + wParam, (LPTBBUTTON)lParam);
return TRUE;
case TB_BUTTONCOUNT:
return ptb->iNumButtons;
case TB_COMMANDTOINDEX:
return PositionFromID(ptb, (int)wParam);
#ifndef IEWIN31_25
case TB_SAVERESTORE:
#ifdef WIN32
#define psr ((TBSAVEPARAMS *)lParam)
return SaveRestoreFromReg(ptb, wParam, psr->hkr, psr->pszSubKey, psr->pszValueName);
#undef psr
#else
return SaveRestore(ptb, wParam, (LPSTR FAR *)lParam);
#endif
case TB_CUSTOMIZE:
CustomizeTB(ptb, ptb->iNumButtons);
break;
#endif
case TB_GETITEMRECT:
return GetItemRect(ptb, wParam, (LPRECT)lParam);
case TB_BUTTONSTRUCTSIZE:
TBOnButtonStructSize(ptb, wParam);
break;
case TB_SETBUTTONSIZE:
return GrowToolbar(ptb, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), FALSE);
case TB_SETBITMAPSIZE:
return SetBitmapSize(ptb, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam));
case WM_GETFONT:
return (LRESULT)(UINT)(ptb? ptb->hfontIcon : 0);
case TB_GETTOOLTIPS:
return (LRESULT)(UINT)ptb->hwndToolTips;
case TB_SETTOOLTIPS:
ptb->hwndToolTips = (HWND)wParam;
break;
case TB_SETPARENT:
{
HWND hwndOld = ptb->hwndCommand;
ptb->hwndCommand = (HWND)wParam;
return (LRESULT)(UINT)hwndOld;
}
case TB_CHANGEBITMAP:
{
PTBBMINFO pTemp;
int nBitmap;
UINT nTot;
iPos = PositionFromID(ptb, (int)wParam);
if (iPos < 0)
return(FALSE);
// Check to see if the new bitmap ID is
// valid.
pTemp = ptb->pBitmaps;
nTot = 0;
for (nBitmap=0; nBitmap < ptb->nBitmaps; nBitmap++) {
nTot += pTemp->nButtons;
pTemp++;
}
if (LOWORD(lParam) >= nTot)
return FALSE;
ptbButton = &ptb->Buttons[iPos];
ptbButton->iBitmap = LOWORD(lParam);
FlushButtonCache(ptb);
InvalidateButton(ptb, ptbButton);
return TRUE;
}
case TB_GETBITMAP:
iPos = PositionFromID(ptb, (int)wParam);
if (iPos < 0)
return(FALSE);
ptbButton = &ptb->Buttons[iPos];
return ptbButton->iBitmap;
case TB_GETBUTTONTEXT:
iPos = PositionFromID(ptb, (int)wParam);
if (iPos >= 0) {
ptbButton = &ptb->Buttons[iPos];
if ((ptbButton->iString > -1) && (ptbButton->iString < ptb->nStrings)) {
if (lParam) {
lstrcpy((LPSTR)lParam, ptb->pStrings[ptbButton->iString]);
}
return lstrlen(ptb->pStrings[ptbButton->iString]);
}
}
return -1;
#ifdef WIN32
case TB_GETBITMAPFLAGS:
{
DWORD fFlags = 0;
HDC hdc = GetDC(NULL);
if (GetDeviceCaps(hdc, LOGPIXELSY) >= 120)
fFlags |= TBBF_LARGE;
ReleaseDC(NULL, hdc);
return fFlags;
}
#endif
default:
DoDefault:
return DefWindowProc(hWnd, wMsg, wParam, lParam);
}
return 0L;
}
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