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890 lines
24 KiB
890 lines
24 KiB
/*
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* status line handler
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*
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*/
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/*---includes-----------------------------------------------------------*/
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#include <precomp.h>
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/* --- data structures ------------------------------------------------- */
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#define SF_MAXLABEL 80 /* no more than 80 in an item within the bar */
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/* Is this adequate for long pathnames on a
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hi-res screen?
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*/
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typedef struct statel {
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int type; /* SF_BUTTON or SF_STATIC */
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int flags; /* SF_VAR => variable width
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SF_LEFT=> left aligned (else right)
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SF_RAISE=> paint as 'raised' 3d rect
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SF_LOWER=> paint as lowered 3D rect
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SF_SZMIN=>together with SF_VAR
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allows minimum size for
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var sized item
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SF_SZMAX=>see SZMIN and use nouse
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*/
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int id; /* control id */
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int width; /* width of control in chars */
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char text[SF_MAXLABEL+1]; /* null-term string for label */
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RECT rc; /* used by status.c */
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} STATEL, * PSTATEL;
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typedef struct itemlist {
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int nitems;
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PSTATEL statels;
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int selitem; /* used by status.c */
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BOOL isselected; /* used by status.c */
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} ILIST, * PILIST;
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/* ------------------------------------------------------------------*/
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/* prototypes of routines in this module */
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void StatusCreateTools(void);
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void StatusDeleteTools(void);
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INT_PTR APIENTRY StatusWndProc(HWND, UINT, WPARAM, LPARAM);
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void StatusResize(HWND hWnd, PILIST pilist);
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int StatusCalcHeight(HWND hWnd, PSTATEL ip);
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int StatusCalcWidth(HWND hWnd, PSTATEL ip);
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PSTATEL StatusGetItem(PILIST plist, int id);
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void LowerRect(HDC hDC, LPRECT rcp);
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void RaiseRect(HDC hDC, LPRECT rcp);
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void StatusPaint(HWND hWnd, PILIST iplistp);
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void BottomRight(HDC hDC, LPRECT rcp, HPEN hpen, BOOL bCorners);
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void TopLeft(HDC hDC, LPRECT rcp, HPEN hpen, BOOL bCorners);
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void StatusButtonDown(HDC hDC, PSTATEL ip);
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void StatusButtonUp(HDC hDC, PSTATEL ip);
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void InitDC(HDC hdc);
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/*--global data---------------------------------------------------------*/
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HPEN hpenHilight, hpenLowlight;
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HPEN hpenBlack, hpenNeutral;
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HBRUSH hbrBackground; /* pieces and board */
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HFONT hFont;
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int status_charheight, status_charwidth;
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/* default pt size for font (tenths of a pt) */
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#define DEF_PTSIZE 80
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/*-public functions----------------------------------------------------------*/
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/* StatusInit
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*
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* - create window class
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*/
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BOOL
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StatusInit(
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HANDLE hInstance
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)
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{
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WNDCLASS wc;
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BOOL resp;
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TEXTMETRIC tm = {0};
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HDC hDC;
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StatusCreateTools();
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wc.style = CS_HREDRAW|CS_VREDRAW|CS_GLOBALCLASS;
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wc.lpfnWndProc = StatusWndProc;
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wc.cbClsExtra = 0;
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wc.cbWndExtra = sizeof(HANDLE);
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wc.hInstance = hInstance;
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wc.hIcon = NULL;
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wc.hCursor = LoadCursor(NULL, IDC_ARROW);
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wc.hbrBackground = hbrBackground;
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wc.lpszClassName = (LPSTR) "gdstatusclass";
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wc.lpszMenuName = NULL;
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resp = RegisterClass(&wc);
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hDC = GetDC(NULL);
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if (hDC)
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{
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InitDC(hDC);
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GetTextMetrics(hDC, &tm);
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ReleaseDC(NULL, hDC);
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}
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else
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{
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// arbitrary, whatever...
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tm.tmHeight = 14;
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tm.tmAveCharWidth = 5;
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}
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status_charheight = (int)(tm.tmHeight + tm.tmExternalLeading);
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status_charwidth = (int)tm.tmAveCharWidth;
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return(resp);
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}
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/*
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* create and show the window
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*/
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HWND APIENTRY
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StatusCreate(
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HANDLE hInst,
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HWND hParent,
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INT_PTR id,
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LPRECT rcp,
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HANDLE hmem
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)
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{
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HWND hWnd;
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/* create a child window of status class */
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hWnd = CreateWindow("gdstatusclass",
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NULL,
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WS_CHILD | WS_VISIBLE,
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rcp->left,
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rcp->top,
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(rcp->right - rcp->left),
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(rcp->bottom - rcp->top),
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hParent,
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(HANDLE) id,
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hInst,
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(LPVOID) hmem);
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return(hWnd);
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}
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/* return default height of this window */
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int APIENTRY
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StatusHeight(
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HANDLE hmem
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)
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/* The window has a number of items which are arranged horizontally,
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so the window height is the maximum of the individual heights
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*/
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{
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PILIST plist;
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int i;
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int sz;
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int maxsize = 0;
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plist = (PILIST) GlobalLock(hmem);
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if (plist != NULL) {
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for (i = 0; i<plist->nitems; i++) {
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sz = StatusCalcHeight(NULL, &plist->statels[i]);
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maxsize = max(sz, maxsize);
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}
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}
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GlobalUnlock(hmem);
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if (maxsize > 0) {
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return(maxsize + 4);
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} else {
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return(status_charheight + 4);
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}
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}
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/* alloc the plist struct and return handle to caller */
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HANDLE
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StatusAlloc(
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int nitems
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)
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{
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HANDLE hmem;
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PILIST pilist;
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LPSTR chp;
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hmem = GlobalAlloc(GMEM_MOVEABLE|GMEM_ZEROINIT,
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sizeof(ILIST) + (sizeof(STATEL) * nitems));
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chp = GlobalLock(hmem);
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if (chp == NULL) {
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return(NULL);
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}
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pilist = (PILIST) chp;
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pilist->nitems = nitems;
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pilist->statels = (PSTATEL) &chp[sizeof(ILIST)];
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GlobalUnlock(hmem);
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return(hmem);
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}
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/* insert an item into the plist */
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BOOL
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StatusAddItem(
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HANDLE hmem,
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int itemnr,
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int type,
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int flags,
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int id,
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int width,
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LPSTR text
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)
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{
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PILIST pilist;
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PSTATEL pel;
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pilist = (PILIST) GlobalLock(hmem);
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if ((pilist == NULL) || (itemnr >= pilist->nitems)) {
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GlobalUnlock(hmem);
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return(FALSE);
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}
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pel = &pilist->statels[itemnr];
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pel->type = type;
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pel->flags = flags;
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pel->id = id;
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pel->width = width;
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if (text == NULL) {
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pel->text[0] = '\0';
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} else {
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lstrcpy(pel->text, text);
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}
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GlobalUnlock(hmem);
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return(TRUE);
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}
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/* ---- internal functions ------------------------------------------*/
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void
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InitDC(HDC hdc)
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{
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SetBkColor(hdc, RGB(192,192,192));
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SelectObject(hdc, hbrBackground);
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SelectObject(hdc, hFont);
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}
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void
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StatusCreateTools()
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{
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LOGFONT lf;
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HDC hdc;
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int scale;
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hbrBackground = CreateSolidBrush(RGB(192,192,192));
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hpenHilight = CreatePen(0, 1, RGB(255, 255, 255));
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hpenLowlight = CreatePen(0, 1, RGB(128, 128, 128));
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hpenNeutral = CreatePen(0, 1, RGB(192, 192, 192));
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hpenBlack = CreatePen(0, 1, RGB(0, 0, 0));
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hdc = GetDC(NULL);
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if (hdc)
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{
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scale = GetDeviceCaps(hdc, LOGPIXELSY);
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ReleaseDC(NULL, hdc);
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}
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else
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{
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// arbitrary, whatever...
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scale = 72;
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}
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lf.lfHeight = -MulDiv(DEF_PTSIZE, scale, 720);
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lf.lfWidth = 0;
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lf.lfEscapement = 0;
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lf.lfOrientation = 0;
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lf.lfWeight = FW_REGULAR;
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lf.lfItalic = 0;
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lf.lfUnderline = 0;
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lf.lfStrikeOut = 0;
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lf.lfCharSet = ANSI_CHARSET;
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lf.lfOutPrecision = OUT_DEFAULT_PRECIS;
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lf.lfClipPrecision = CLIP_DEFAULT_PRECIS;
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lf.lfQuality = PROOF_QUALITY;
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lf.lfPitchAndFamily = VARIABLE_PITCH | FF_SWISS;
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lf.lfFaceName[0] = '\0';
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#ifdef COMPLEX
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hFont = CreateFontIndirect(&lf);
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#else
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hFont = GetStockObject(SYSTEM_FONT);
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#endif
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}
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void
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StatusDeleteTools()
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{
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DeleteObject(hbrBackground);
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DeleteObject(hpenHilight);
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DeleteObject(hpenLowlight);
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DeleteObject(hpenBlack);
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DeleteObject(hpenNeutral);
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#ifdef COMPLEX
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DeleteObject(hFont);
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#endif
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}
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/* Main winproc for status windows
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*
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* handles create/destroy and paint requests
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*/
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INT_PTR
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StatusWndProc(
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HWND hWnd,
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UINT message,
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WPARAM wParam,
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LPARAM lParam
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)
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{
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HANDLE hitems;
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PSTATEL ip;
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PILIST plist;
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CREATESTRUCT * cp;
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int i;
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HDC hDC;
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RECT rc;
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POINT pt;
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switch (message) {
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case WM_CREATE:
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cp = (CREATESTRUCT *) lParam;
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hitems = (HANDLE) cp->lpCreateParams;
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SetWindowLongPtr(hWnd, 0, (LONG_PTR)hitems);
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plist = (PILIST) GlobalLock(hitems);
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if (plist != NULL) {
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plist->selitem = -1;
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GlobalUnlock(hitems);
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}
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break;
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case WM_SIZE:
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hitems = (HANDLE) GetWindowLongPtr(hWnd, 0);
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plist = (PILIST) GlobalLock(hitems);
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if (plist != NULL) {
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StatusResize(hWnd, plist);
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GlobalUnlock(hitems);
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}
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break;
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case WM_PAINT:
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hitems = (HANDLE) GetWindowLongPtr(hWnd, 0);
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plist = (PILIST) GlobalLock(hitems);
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StatusPaint(hWnd, plist);
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GlobalUnlock(hitems);
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break;
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case WM_LBUTTONUP:
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hitems = (HANDLE) GetWindowLongPtr(hWnd, 0);
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plist = (PILIST) GlobalLock(hitems);
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pt.x = LOWORD(lParam);
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pt.y = HIWORD(lParam);
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if (plist == NULL) {
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break;
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}
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if (plist->selitem != -1) {
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ip = &plist->statels[plist->selitem];
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if (plist->isselected) {
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hDC = GetDC(hWnd);
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if (hDC)
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{
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InitDC(hDC);
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StatusButtonUp(hDC, ip);
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ReleaseDC(hWnd, hDC);
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}
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}
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plist->selitem = -1;
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ReleaseCapture();
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if (PtInRect(&ip->rc, pt)) {
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SendMessage(GetParent(hWnd), WM_COMMAND, MAKELONG(ip->id, WM_LBUTTONUP), (LPARAM)hWnd);
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}
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}
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GlobalUnlock(hitems);
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break;
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case WM_LBUTTONDOWN:
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hitems = (HANDLE) GetWindowLongPtr(hWnd, 0);
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plist = (PILIST) GlobalLock(hitems);
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if (plist == NULL) {
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break;
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}
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pt.x = LOWORD(lParam);
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pt.y = HIWORD(lParam);
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if (plist->selitem == -1) {
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for (i = 0; i< plist->nitems; i++) {
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ip = &plist->statels[i];
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if (PtInRect(&ip->rc, pt)) {
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if (ip->type != SF_BUTTON) {
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break;
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}
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plist->selitem = i;
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SetCapture(hWnd);
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plist->isselected = TRUE;
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hDC = GetDC(hWnd);
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if (hDC)
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{
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InitDC(hDC);
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StatusButtonDown(hDC, ip);
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ReleaseDC(hWnd, hDC);
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}
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break;
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}
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}
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}
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GlobalUnlock(hitems);
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break;
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case WM_MOUSEMOVE:
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hitems = (HANDLE) GetWindowLongPtr(hWnd, 0);
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plist = (PILIST) GlobalLock(hitems);
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if (plist == NULL) {
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break;
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}
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pt.x = LOWORD(lParam);
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pt.y = HIWORD(lParam);
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if (plist->selitem != -1) {
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ip = &plist->statels[plist->selitem];
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if (PtInRect(&ip->rc, pt)) {
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if (!plist->isselected) {
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hDC = GetDC(hWnd);
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if (hDC)
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{
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InitDC(hDC);
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StatusButtonDown(hDC, ip);
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ReleaseDC(hWnd, hDC);
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}
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plist->isselected = TRUE;
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}
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} else {
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if (plist->isselected) {
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hDC = GetDC(hWnd);
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if (hDC)
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{
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InitDC(hDC);
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StatusButtonUp(hDC, ip);
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ReleaseDC(hWnd, hDC);
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}
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plist->isselected = FALSE;
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}
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}
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}
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GlobalUnlock(hitems);
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break;
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|
|
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case WM_DESTROY:
|
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hitems = (HANDLE) GetWindowLongPtr(hWnd, 0);
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GlobalUnlock(hitems);
|
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GlobalFree(hitems);
|
|
|
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SetWindowLongPtr(hWnd, 0, 0);
|
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break;
|
|
|
|
case SM_NEW:
|
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hitems = (HANDLE) GetWindowLongPtr(hWnd, 0);
|
|
if (hitems != NULL) {
|
|
GlobalFree(hitems);
|
|
}
|
|
hitems = (HANDLE) wParam;
|
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if (hitems == NULL) {
|
|
SetWindowLongPtr(hWnd, 0, 0);
|
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InvalidateRect(hWnd, NULL, TRUE);
|
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break;
|
|
}
|
|
plist = (PILIST) GlobalLock(hitems);
|
|
if (plist == NULL) {
|
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SetWindowLongPtr(hWnd, 0, 0);
|
|
InvalidateRect(hWnd, NULL, TRUE);
|
|
break;
|
|
}
|
|
plist->selitem = -1;
|
|
StatusResize(hWnd, plist);
|
|
GlobalUnlock(hitems);
|
|
SetWindowLongPtr(hWnd, 0, (LONG_PTR)hitems);
|
|
InvalidateRect(hWnd, NULL, TRUE);
|
|
break;
|
|
|
|
case SM_SETTEXT:
|
|
hitems = (HANDLE) GetWindowLongPtr(hWnd, 0);
|
|
if (hitems == NULL) {
|
|
break;
|
|
}
|
|
plist = (PILIST) GlobalLock(hitems);
|
|
ip = StatusGetItem(plist, (int)wParam);
|
|
if (ip != NULL) {
|
|
if (lParam == 0) {
|
|
ip->text[0] = '\0';
|
|
} else {
|
|
My_mbsncpy(ip->text, (LPSTR) lParam, SF_MAXLABEL);
|
|
ip->text[SF_MAXLABEL] = '\0';
|
|
}
|
|
|
|
/* if this is a variable width field, we need to redo
|
|
* all size calcs in case the field width has changed.
|
|
* in that case, we need to repaint the entire window
|
|
* and not just this field - so set rc to indicate the
|
|
* area to be redrawn.
|
|
*/
|
|
if (ip->flags & SF_VAR) {
|
|
StatusResize(hWnd, plist);
|
|
GetClientRect(hWnd, &rc);
|
|
RedrawWindow(hWnd, &rc, NULL,
|
|
RDW_INVALIDATE|RDW_ERASE|RDW_UPDATENOW);
|
|
} else {
|
|
/* instead of just invalidating the window, we can
|
|
* force the window to be repainted now. This is
|
|
* essential for status updates during a busy
|
|
* loop when no messages are being processed,
|
|
* but we should still update the user on what's
|
|
* happening.
|
|
*/
|
|
RedrawWindow(hWnd, &ip->rc, NULL,
|
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RDW_INVALIDATE|RDW_NOERASE|RDW_UPDATENOW);
|
|
}
|
|
|
|
}
|
|
GlobalUnlock(hitems);
|
|
break;
|
|
|
|
default:
|
|
return(DefWindowProc(hWnd, message, wParam, lParam));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* position the labels and buttons within the status window */
|
|
void
|
|
StatusResize(HWND hWnd, PILIST iplistp)
|
|
{
|
|
RECT rc;
|
|
int curpos_right, curpos_left;
|
|
int height, width;
|
|
int i;
|
|
PSTATEL ip;
|
|
|
|
|
|
if (iplistp == NULL) {
|
|
return;
|
|
}
|
|
GetClientRect(hWnd, &rc);
|
|
curpos_left = rc.left + status_charwidth / 2;
|
|
curpos_right = rc.right - (status_charwidth / 2);
|
|
|
|
/* loop through all items setting their position rects.
|
|
* items are flagged as being left or right. We place them
|
|
* in order starting at the left and the right, with a single
|
|
* char's width between each item
|
|
*/
|
|
for (i = 0; i < iplistp->nitems; i++) {
|
|
ip = &iplistp->statels[i];
|
|
|
|
width = StatusCalcWidth(hWnd, ip);
|
|
height = StatusCalcHeight(hWnd, ip);
|
|
ip->rc.top = (rc.bottom - height) / 2;
|
|
ip->rc.bottom = ip->rc.top + height;
|
|
|
|
/* see if this item fits. Items that partially fit
|
|
* are placed reduced in size.
|
|
*/
|
|
if (ip->flags & SF_LEFT) {
|
|
|
|
if (curpos_left+width >= curpos_right) {
|
|
/* doesn't completely fit-does it partly? */
|
|
if ((curpos_left + 1) >= curpos_right) {
|
|
|
|
/* no - this item does not fit */
|
|
ip->rc.left = 0;
|
|
ip->rc.right = 0;
|
|
} else {
|
|
/* partial fit */
|
|
ip->rc.left = curpos_left;
|
|
ip->rc.right = curpos_right - 1;
|
|
curpos_left = curpos_right;
|
|
}
|
|
} else {
|
|
/* complete fit */
|
|
ip->rc.left = curpos_left;
|
|
ip->rc.right = curpos_left + width;
|
|
curpos_left += width + 1;
|
|
}
|
|
} else {
|
|
|
|
/* same size check for right-aligned items */
|
|
if (curpos_right-width <= curpos_left) {
|
|
|
|
/* partial fit ? */
|
|
if (curpos_right <= curpos_left+1) {
|
|
ip->rc.left = 0;
|
|
ip->rc.right = 0;
|
|
} else {
|
|
/* yes - partial fit */
|
|
ip->rc.left = curpos_left + 1;
|
|
ip->rc.right = curpos_right;
|
|
curpos_right = curpos_left;
|
|
}
|
|
} else {
|
|
/* complete fit */
|
|
ip->rc.right = curpos_right;
|
|
ip->rc.left = curpos_right - width;
|
|
curpos_right -= (width + 1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
StatusPaint(HWND hWnd, PILIST iplistp)
|
|
{
|
|
RECT rc;
|
|
HDC hDC;
|
|
PAINTSTRUCT ps;
|
|
int i;
|
|
PSTATEL ip;
|
|
HPEN hpenOld;
|
|
|
|
GetClientRect(hWnd, &rc);
|
|
hDC = BeginPaint(hWnd, &ps);
|
|
InitDC(hDC);
|
|
|
|
RaiseRect(hDC, &rc);
|
|
if (iplistp == NULL) {
|
|
EndPaint(hWnd, &ps);
|
|
return;
|
|
}
|
|
for (i =0; i < iplistp->nitems; i++) {
|
|
ip = &iplistp->statels[i];
|
|
|
|
if (ip->rc.left == ip->rc.right) {
|
|
continue;
|
|
}
|
|
if (ip->type == SF_STATIC) {
|
|
if (ip->flags & SF_RAISE) {
|
|
RaiseRect(hDC, &ip->rc);
|
|
} else if (ip->flags & SF_LOWER) {
|
|
LowerRect(hDC, &ip->rc);
|
|
}
|
|
rc = ip->rc;
|
|
rc.left += (status_charwidth / 2);
|
|
rc.right--;
|
|
rc.top++;
|
|
rc.bottom--;
|
|
hpenOld = SelectObject(hDC, hpenNeutral);
|
|
Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
|
|
SelectObject(hDC, hpenOld);
|
|
DrawText(hDC, ip->text, lstrlen(ip->text), &rc,
|
|
DT_LEFT | DT_VCENTER);
|
|
} else {
|
|
StatusButtonUp(hDC, ip);
|
|
}
|
|
}
|
|
|
|
EndPaint(hWnd, &ps);
|
|
}
|
|
|
|
void
|
|
RaiseRect(HDC hDC, LPRECT rcp)
|
|
{
|
|
TopLeft(hDC, rcp, hpenHilight, FALSE);
|
|
BottomRight(hDC, rcp, hpenLowlight, FALSE);
|
|
}
|
|
|
|
void
|
|
LowerRect(HDC hDC, LPRECT rcp)
|
|
{
|
|
TopLeft(hDC, rcp, hpenLowlight, FALSE);
|
|
BottomRight(hDC, rcp, hpenHilight, FALSE);
|
|
}
|
|
|
|
void
|
|
StatusButtonUp(HDC hDC, PSTATEL ip)
|
|
{
|
|
RECT rc;
|
|
HPEN hpenOld;
|
|
TEXTMETRIC tm;
|
|
|
|
rc = ip->rc;
|
|
TopLeft(hDC, &rc, hpenBlack, TRUE);
|
|
BottomRight(hDC, &rc, hpenBlack, FALSE);
|
|
|
|
rc.top++;
|
|
rc.bottom--;
|
|
rc.left++;
|
|
rc.right--;
|
|
TopLeft(hDC, &rc, hpenHilight, FALSE);
|
|
BottomRight(hDC, &rc, hpenLowlight, TRUE);
|
|
|
|
rc.top++;
|
|
rc.bottom--;
|
|
rc.left++;
|
|
rc.right--;
|
|
BottomRight(hDC, &rc, hpenLowlight, TRUE);
|
|
rc.bottom--;
|
|
rc.right--;
|
|
hpenOld = SelectObject(hDC, hpenNeutral);
|
|
Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
|
|
SelectObject(hDC, hpenOld);
|
|
GetTextMetrics(hDC, &tm);
|
|
rc.top += tm.tmExternalLeading;
|
|
DrawText(hDC, ip->text, lstrlen(ip->text), &rc, DT_CENTER | DT_VCENTER);
|
|
}
|
|
|
|
void
|
|
StatusButtonDown(HDC hDC, PSTATEL ip)
|
|
{
|
|
RECT rc;
|
|
HPEN hpenOld;
|
|
TEXTMETRIC tm;
|
|
|
|
rc = ip->rc;
|
|
TopLeft(hDC, &rc, hpenBlack, TRUE);
|
|
BottomRight(hDC, &rc, hpenBlack, FALSE);
|
|
|
|
rc.top++;
|
|
rc.bottom--;
|
|
rc.left++;
|
|
rc.right--;
|
|
TopLeft(hDC, &rc, hpenLowlight, TRUE);
|
|
rc.top++;
|
|
rc.left++;
|
|
TopLeft(hDC, &rc, hpenNeutral, TRUE);
|
|
rc.top++;
|
|
rc.left++;
|
|
TopLeft(hDC, &rc, hpenNeutral, TRUE);
|
|
rc.top++;
|
|
rc.left++;
|
|
hpenOld = SelectObject(hDC, hpenNeutral);
|
|
Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
|
|
SelectObject(hDC, hpenOld);
|
|
GetTextMetrics(hDC, &tm);
|
|
rc.top += tm.tmExternalLeading;
|
|
DrawText(hDC, ip->text, lstrlen(ip->text), &rc, DT_CENTER | DT_VCENTER);
|
|
}
|
|
|
|
void
|
|
TopLeft(HDC hDC, LPRECT rcp, HPEN hpen, BOOL bCorners)
|
|
{
|
|
HPEN hpenOld;
|
|
int x, y;
|
|
|
|
hpenOld = SelectObject(hDC, hpen);
|
|
x = rcp->right - 1;
|
|
y = rcp->bottom;
|
|
if (!bCorners) {
|
|
x--;
|
|
y--;
|
|
}
|
|
MoveToEx(hDC, x, rcp->top, NULL);
|
|
LineTo(hDC, rcp->left, rcp->top);
|
|
LineTo(hDC, rcp->left, y);
|
|
SelectObject(hDC, hpenOld);
|
|
}
|
|
|
|
void
|
|
BottomRight(HDC hDC, LPRECT rcp, HPEN hpen, BOOL bCorners)
|
|
{
|
|
HPEN hpenOld;
|
|
int x, y;
|
|
|
|
hpenOld = SelectObject(hDC, hpen);
|
|
x = rcp->left - 1;
|
|
y = rcp->top;
|
|
if (!bCorners) {
|
|
x++;
|
|
y++;
|
|
}
|
|
MoveToEx(hDC, rcp->right-1, y, NULL);
|
|
LineTo(hDC, rcp->right-1, rcp->bottom-1);
|
|
LineTo(hDC, x, rcp->bottom-1);
|
|
SelectObject(hDC, hpenOld);
|
|
}
|
|
|
|
|
|
PSTATEL
|
|
StatusGetItem(PILIST plist, int id)
|
|
{
|
|
int i;
|
|
|
|
if (plist == NULL) {
|
|
return(NULL);
|
|
}
|
|
for (i = 0; i < plist->nitems; i++) {
|
|
if (plist->statels[i].id == id) {
|
|
return(&plist->statels[i]);
|
|
}
|
|
}
|
|
return(NULL);
|
|
}
|
|
|
|
/*
|
|
* calculate the width of a given field. This is the width in characters
|
|
* multiplied by the average character width, plus a few units for
|
|
* borders.
|
|
*
|
|
* if SF_VAR is set, this field size varies depending on the text, so
|
|
* we use GetTextExtent for the field size. If SF_VAR is selected, the caller
|
|
* can specify that the size is not to exceed the (width * avecharwidth)
|
|
* size (using SF_SZMAX) or that it is not be less than it (SF_SZMIN).
|
|
*/
|
|
int
|
|
StatusCalcWidth(HWND hWnd, PSTATEL ip)
|
|
{
|
|
int ch_size, t_size;
|
|
SIZE sz = {0};
|
|
HDC hDC;
|
|
|
|
ch_size = ip->width * status_charwidth;
|
|
if (ip->flags & SF_VAR) {
|
|
hDC = GetDC(hWnd);
|
|
if (hDC)
|
|
{
|
|
InitDC(hDC);
|
|
GetTextExtentPoint(hDC, ip->text, lstrlen(ip->text), &sz);
|
|
ReleaseDC(hWnd, hDC);
|
|
}
|
|
t_size = sz.cx;
|
|
|
|
/*
|
|
* check this size against min/max size if
|
|
* requested
|
|
*/
|
|
|
|
if (ip->flags & SF_SZMIN) {
|
|
if (ch_size > t_size) {
|
|
t_size = ch_size;
|
|
}
|
|
}
|
|
if (ip->flags & SF_SZMAX) {
|
|
if (ch_size < t_size) {
|
|
t_size = ch_size;
|
|
}
|
|
}
|
|
ch_size = t_size;
|
|
}
|
|
|
|
if (ch_size != 0) {
|
|
if (ip->type == SF_BUTTON) {
|
|
return(ch_size+6);
|
|
} else {
|
|
return(ch_size+4);
|
|
}
|
|
} else {
|
|
return(0);
|
|
}
|
|
}
|
|
|
|
int
|
|
StatusCalcHeight(HWND hWnd, PSTATEL ip)
|
|
{
|
|
int size;
|
|
|
|
size = status_charheight;
|
|
if (ip->type == SF_BUTTON) {
|
|
return(size + 6);
|
|
} else {
|
|
return(size + 2);
|
|
}
|
|
}
|