reactos/rosapps/applications/imagesoft/misc.c

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C
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#include <precomp.h>
static INT
LengthOfStrResource(IN HINSTANCE hInst,
IN UINT uID)
{
HRSRC hrSrc;
HGLOBAL hRes;
LPWSTR lpName, lpStr;
if (hInst == NULL)
{
return -1;
}
/* There are always blocks of 16 strings */
lpName = (LPWSTR)MAKEINTRESOURCE((uID >> 4) + 1);
/* Find the string table block */
if ((hrSrc = FindResourceW(hInst, lpName, (LPWSTR)RT_STRING)) &&
(hRes = LoadResource(hInst, hrSrc)) &&
(lpStr = LockResource(hRes)))
{
UINT x;
/* Find the string we're looking for */
uID &= 0xF; /* position in the block, same as % 16 */
for (x = 0; x < uID; x++)
{
lpStr += (*lpStr) + 1;
}
/* Found the string */
return (int)(*lpStr);
}
return -1;
}
INT
AllocAndLoadString(OUT LPTSTR *lpTarget,
IN HINSTANCE hInst,
IN UINT uID)
{
INT ln;
ln = LengthOfStrResource(hInst,
uID);
if (ln++ > 0)
{
(*lpTarget) = (LPTSTR)LocalAlloc(LMEM_FIXED,
ln * sizeof(TCHAR));
if ((*lpTarget) != NULL)
{
INT Ret;
if (!(Ret = LoadString(hInst, uID, *lpTarget, ln)))
{
LocalFree((HLOCAL)(*lpTarget));
}
return Ret;
}
}
return 0;
}
DWORD
LoadAndFormatString(IN HINSTANCE hInstance,
IN UINT uID,
OUT LPTSTR *lpTarget,
...)
{
DWORD Ret = 0;
LPTSTR lpFormat;
va_list lArgs;
if (AllocAndLoadString(&lpFormat,
hInstance,
uID) > 0)
{
va_start(lArgs, lpTarget);
/* let's use FormatMessage to format it because it has the ability to allocate
memory automatically */
Ret = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_STRING,
lpFormat,
0,
0,
(LPTSTR)lpTarget,
0,
&lArgs);
va_end(lArgs);
LocalFree((HLOCAL)lpFormat);
}
return Ret;
}
BOOL
StatusBarLoadAndFormatString(IN HWND hStatusBar,
IN INT PartId,
IN HINSTANCE hInstance,
IN UINT uID,
...)
{
BOOL Ret = FALSE;
LPTSTR lpFormat, lpStr;
va_list lArgs;
if (AllocAndLoadString(&lpFormat,
hInstance,
uID) > 0)
{
va_start(lArgs, uID);
/* let's use FormatMessage to format it because it has the ability to allocate
memory automatically */
Ret = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_STRING,
lpFormat,
0,
0,
(LPTSTR)&lpStr,
0,
&lArgs);
va_end(lArgs);
if (lpStr != NULL)
{
Ret = (BOOL)SendMessage(hStatusBar,
SB_SETTEXT,
(WPARAM)PartId,
(LPARAM)lpStr);
LocalFree((HLOCAL)lpStr);
}
LocalFree((HLOCAL)lpFormat);
}
return Ret;
}
BOOL
StatusBarLoadString(IN HWND hStatusBar,
IN INT PartId,
IN HINSTANCE hInstance,
IN UINT uID)
{
BOOL Ret = FALSE;
LPTSTR lpStr;
if (AllocAndLoadString(&lpStr,
hInstance,
uID) > 0)
{
Ret = (BOOL)SendMessage(hStatusBar,
SB_SETTEXT,
(WPARAM)PartId,
(LPARAM)lpStr);
LocalFree((HLOCAL)lpStr);
}
return Ret;
}
INT
GetTextFromEdit(OUT LPTSTR lpString,
IN HWND hDlg,
IN UINT Res)
{
INT len = GetWindowTextLength(GetDlgItem(hDlg, Res));
if(len > 0)
{
GetDlgItemText(hDlg,
Res,
lpString,
len + 1);
}
else
lpString = NULL;
return len;
}
VOID GetError(DWORD err)
{
LPVOID lpMsgBuf;
if (err == 0)
err = GetLastError();
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
err,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR) &lpMsgBuf,
0,
NULL );
MessageBox(NULL, lpMsgBuf, _T("Error!"), MB_OK | MB_ICONERROR);
LocalFree(lpMsgBuf);
}
/*
* Toolbar custom control routines
*/
typedef struct _TBCUSTCTL
{
HWND hWndControl;
INT iCommand;
BOOL HideVertical : 1;
BOOL IsVertical : 1;
} TBCUSTCTL, *PTBCUSTCTL;
BOOL
ToolbarDeleteControlSpace(HWND hWndToolbar,
const TBBUTTON *ptbButton)
{
if ((ptbButton->fsStyle & TBSTYLE_SEP) &&
ptbButton->dwData != 0)
{
PTBCUSTCTL cctl = (PTBCUSTCTL)ptbButton->dwData;
DestroyWindow(cctl->hWndControl);
HeapFree(ProcessHeap,
0,
cctl);
return TRUE;
}
return FALSE;
}
VOID
ToolbarUpdateControlSpaces(HWND hWndToolbar,
ToolbarChangeControlCallback ChangeCallback)
{
BOOL Vert;
DWORD nButtons, i;
TBBUTTON tbtn;
Vert = ((SendMessage(hWndToolbar,
TB_GETSTYLE,
0,
0) & CCS_VERT) != 0);
nButtons = (DWORD)SendMessage(hWndToolbar,
TB_BUTTONCOUNT,
0,
0);
for (i = 0;
i != nButtons;
i++)
{
if (SendMessage(hWndToolbar,
TB_GETBUTTON,
(WPARAM)i,
(LPARAM)&tbtn))
{
if ((tbtn.fsStyle & TBSTYLE_SEP) && tbtn.dwData != 0)
{
PTBCUSTCTL cctl = (PTBCUSTCTL)tbtn.dwData;
cctl->IsVertical = Vert;
if (cctl->HideVertical)
{
ShowWindow(cctl->hWndControl,
(Vert ? SW_HIDE : SW_SHOW));
goto ShowHideSep;
}
else if (cctl->IsVertical != Vert)
{
ChangeCallback(hWndToolbar,
cctl->hWndControl,
Vert);
ShowHideSep:
/* show/hide the separator */
SendMessage(hWndToolbar,
TB_HIDEBUTTON,
(WPARAM)cctl->iCommand,
(LPARAM)Vert && cctl->HideVertical);
}
}
}
}
}
BOOL
ToolbarInsertSpaceForControl(HWND hWndToolbar,
HWND hWndControl,
INT Index,
INT iCmd,
BOOL HideVertical)
{
PTBCUSTCTL cctl;
RECT rcControl, rcItem;
cctl = HeapAlloc(ProcessHeap,
0,
sizeof(TBCUSTCTL));
if (cctl == NULL)
return FALSE;
cctl->HideVertical = HideVertical;
cctl->hWndControl = hWndControl;
cctl->iCommand = iCmd;
if (GetWindowRect(hWndControl,
&rcControl))
{
TBBUTTON tbtn = {0};
tbtn.iBitmap = rcControl.right - rcControl.left;
tbtn.idCommand = iCmd;
tbtn.fsStyle = TBSTYLE_SEP;
tbtn.dwData = (DWORD_PTR)cctl;
if (SendMessage(hWndToolbar,
TB_GETSTYLE,
0,
0) & CCS_VERT)
{
if (HideVertical)
tbtn.fsState |= TBSTATE_HIDDEN;
cctl->IsVertical = TRUE;
}
else
cctl->IsVertical = FALSE;
if (SendMessage(hWndToolbar,
TB_INSERTBUTTON,
(WPARAM)Index,
(LPARAM)&tbtn))
{
if (SendMessage(hWndToolbar,
TB_GETITEMRECT,
(WPARAM)Index,
(LPARAM)&rcItem))
{
SetWindowPos(hWndControl,
NULL,
rcItem.left,
rcItem.top,
rcItem.right - rcItem.left,
rcItem.bottom - rcItem.top,
SWP_NOZORDER);
ShowWindow(hWndControl,
SW_SHOW);
return TRUE;
}
else if (tbtn.fsState & TBSTATE_HIDDEN)
{
ShowWindow(hWndControl,
SW_HIDE);
}
}
}
return FALSE;
}
HIMAGELIST
InitImageList(UINT NumImages, UINT StartResource)
{
HBITMAP hBitmap;
HIMAGELIST hImageList;
UINT i, k;
INT Ret;
/* Create the toolbar icon image list */
hImageList = ImageList_Create(TB_BMP_WIDTH,
TB_BMP_HEIGHT,
ILC_MASK | ILC_COLOR24,
NumImages,
0);
if (! hImageList)
return NULL;
/* Add all icons to the image list */
for (i = StartResource, k = 0; k < NumImages; i++, k++)
{
hBitmap = LoadImage(hInstance,
MAKEINTRESOURCE(i),
IMAGE_BITMAP,
TB_BMP_WIDTH,
TB_BMP_HEIGHT,
LR_LOADTRANSPARENT);
Ret = ImageList_AddMasked(hImageList,
hBitmap,
RGB(255, 255, 254));
DeleteObject(hBitmap);
}
return hImageList;
}
/*
static BOOL
DestroyImageList(HIMAGELIST hImageList)
{
if (! ImageList_Destroy(hImageList))
return FALSE;
else
return TRUE;
}
*/