STATUS.C
/**************************************************************************
*
* THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
* KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
* PURPOSE.
*
* Copyright 1992 - 1998 Microsoft Corporation. All Rights Reserved.
*
**************************************************************************/
/****************************************************************************
*
* status.c: Status bar window
*
* Vidcap32 Source code
*
***************************************************************************/
#include <windows.h>
#include <windowsx.h>
//#include <win32.h>
#include <mmsystem.h>
#include "status.h"
/* for compiling under win3.0 - we don't have this attribute */
#ifndef COLOR_BTNHIGHLIGHT
#define COLOR_BTNHIGHLIGHT 20
#endif
#ifdef _WIN32
typedef WNDPROC LPWNDPROC;
#else
typedef long (FAR PASCAL *LPWNDPROC)();
#endif
// class names for status bar and static text windows
charszStatusClass[] = "StatusClass";
charszText[] = "SText";
int gStatusStdHeight; // based on font metrics
static HANDLE ghFont;
static HBRUSH ghbrHL, ghbrShadow;
/* Function Prototypes */
LONG FAR PASCAL statusWndProc(HWND hwnd, unsigned msg,
UINT wParam, LONG lParam);
LONG FAR PASCAL fnText(HWND, unsigned, UINT, LONG);
static VOID NEAR PASCAL PaintText(HWND hwnd, HDC hdc);
/*
* create the brushes we need
*/
void
statusCreateTools(void)
{
HDC hdc;
TEXTMETRIC tm;
HFONT hfont;
ghbrHL = CreateSolidBrush(GetSysColor(COLOR_BTNHIGHLIGHT));
ghbrShadow = CreateSolidBrush(GetSysColor(COLOR_BTNSHADOW));
/* Create the font we'll use for the status bar - use system as default */
ghFont = CreateFont(12, 0,// height, width
0, 0,// escapement, orientation
FW_NORMAL,// weight,
FALSE, FALSE, FALSE,// attributes
ANSI_CHARSET,// charset
OUT_DEFAULT_PRECIS,// output precision
CLIP_DEFAULT_PRECIS,// clip precision
DEFAULT_QUALITY,// quality
VARIABLE_PITCH | FF_MODERN,
"Helv");
if (ghFont == NULL) {
ghFont = GetStockObject(SYSTEM_FONT);
}
// find the char size to calc standard status bar height
hdc = GetDC(NULL);
hfont = SelectObject(hdc, ghFont);
GetTextMetrics(hdc, &tm);
SelectObject(hdc, hfont);
ReleaseDC(NULL, hdc);
gStatusStdHeight = tm.tmHeight * 3 / 2;
}
void
statusDeleteTools(void)
{
DeleteObject(ghbrHL);
DeleteObject(ghbrShadow);
DeleteObject(ghFont);
}
/*--------------------------------------------------------------+
| statusInit - initialize for status window, register the|
| Window's class.|
||
+--------------------------------------------------------------*/
#pragma alloc_text(INIT_TEXT, statusInit)
BOOL statusInit(HANDLE hInst, HANDLE hPrev)
{
WNDCLASS cls;
statusCreateTools();
if (!hPrev){
cls.hCursor= LoadCursor(NULL, IDC_ARROW);
cls.hIcon= NULL;
cls.lpszMenuName= NULL;
cls.lpszClassName= szStatusClass;
cls.hbrBackground = (HBRUSH) (COLOR_BTNFACE + 1);
cls.hInstance= hInst;
cls.style= CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;
cls.lpfnWndProc= statusWndProc;
cls.cbClsExtra= 0;
cls.cbWndExtra= 0;
if (!RegisterClass(&cls))
return FALSE;
cls.hCursor = LoadCursor(NULL,IDC_ARROW);
cls.hIcon = NULL;
cls.lpszMenuName = NULL;
cls.lpszClassName = (LPSTR)szText;
cls.hbrBackground = (HBRUSH) (COLOR_BTNFACE + 1);
cls.hInstance = hInst;
cls.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;
cls.lpfnWndProc = (LPWNDPROC)fnText;
cls.cbClsExtra = 0;
cls.cbWndExtra = 0;
if (!RegisterClass(&cls))
return FALSE;
}
return TRUE;
}
/*
* returns the recommended height for a status bar based on the
* character dimensions of the font used
*/
int
statusGetHeight(void)
{
return(gStatusStdHeight);
}
/*--------------------------------------------------------------+
| statusUpdateStatus - update the status line|
||
| The argument can either be NULL, a string, or a resource ID|
| cast to a LPCSTR with MAKEINTRESOURCE.|
+--------------------------------------------------------------*/
void statusUpdateStatus(HWND hwnd, LPCSTR lpsz)
{
charach[80];
HWND hwndtext;
if ((lpsz != NULL) && (HIWORD((DWORD) lpsz) == 0)) {
LoadString(GetWindowInstance(hwnd), LOWORD((DWORD) lpsz), ach, sizeof(ach));
lpsz = ach;
}
hwndtext = GetDlgItem(hwnd, 1);
if (!lpsz || *lpsz == '\0') {
SetWindowText(hwndtext,"");
} else {
SetWindowText(hwndtext, lpsz);
}
}
/*--------------------------------------------------------------+
| statusWndProc - window proc for status window|
||
+--------------------------------------------------------------*/
LONG FAR PASCAL
statusWndProc(HWND hwnd, unsigned msg, UINT wParam, LONG lParam)
{
PAINTSTRUCTps;
HDChdc;
HWND hwndSText;
switch(msg){
case WM_CREATE:
/* we need to create the static text control for the status bar */
hwndSText = CreateWindow(
szText,
"",
WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS,
0, 0, 0, 0,
hwnd,
(HMENU) 1, // child id
GetWindowInstance(hwnd),
NULL);
if (!hwndSText) {
return -1;
}
break;
case WM_DESTROY:
statusDeleteTools();
break;
case WM_SIZE:
{
RECT rc;
GetClientRect(hwnd, &rc);
MoveWindow(
GetDlgItem(hwnd, 1), // get child window handle
2, 1, // xy just inside
rc.right - 4,
rc.bottom - 2,
TRUE);
break;
}
case WM_PAINT:
hdc = BeginPaint(hwnd, &ps);
// only the background and the child window need painting
EndPaint(hwnd, &ps);
break;
case WM_SYSCOLORCHANGE:
statusDeleteTools();
statusCreateTools();
break;
case WM_ERASEBKGND:
break;
}
return DefWindowProc(hwnd, msg, wParam, lParam);
}
/*
* window proc for static text window
*/
LONG FAR PASCAL
fnText(HWND hwnd, UINT msg, UINT wParam, LONG lParam )
{
PAINTSTRUCT ps;
switch (msg) {
case WM_SETTEXT:
DefWindowProc(hwnd, msg, wParam, lParam);
InvalidateRect(hwnd,NULL,FALSE);
UpdateWindow(hwnd);
return 0L;
case WM_ERASEBKGND:
return 0L;
case WM_PAINT:
BeginPaint(hwnd, &ps);
PaintText(hwnd, ps.hdc);
EndPaint(hwnd, &ps);
return 0L;
}
return DefWindowProc(hwnd, msg, wParam, lParam);
}
/*--------------------------------------------------------------+
| PaintText - paint the shadowed static text field.|
||
+--------------------------------------------------------------*/
VOID NEAR PASCAL
PaintText(HWND hwnd, HDC hdc)
{
RECT rc;
char ach[128];
int len;
intdx, dy;
RECTrcFill;
HFONThfontOld;
HBRUSH hbrSave;
GetClientRect(hwnd, &rc);
len = GetWindowText(hwnd,ach,sizeof(ach));
SetBkColor(hdc, GetSysColor(COLOR_BTNFACE));
SetTextColor(hdc, GetSysColor(COLOR_BTNTEXT));
hfontOld = SelectObject(hdc, ghFont);
rcFill.left = rc.left + 1;
rcFill.right = rc.right - 1;
rcFill.top = rc.top + 1;
rcFill.bottom = rc.bottom - 1;
/* move in some and do background and text in one swoosh */
ExtTextOut(hdc,4,1,ETO_OPAQUE,&rcFill,ach,len,NULL);
dx = rc.right - rc.left;
dy = rc.bottom - rc.top;
hbrSave = SelectObject(hdc, ghbrShadow);
PatBlt(hdc, rc.left, rc.top, 1, dy, PATCOPY);
PatBlt(hdc, rc.left, rc.top, dx, 1, PATCOPY);
SelectObject(hdc, ghbrHL);
PatBlt(hdc, rc.right-1, rc.top+1, 1, dy-1, PATCOPY);
PatBlt(hdc, rc.left+1, rc.bottom -1, dx-1, 1, PATCOPY);
if (hfontOld)
SelectObject(hdc, hfontOld);
if (hbrSave)
SelectObject(hdc, hbrSave);
return ;
}