375 lines
10 KiB
C
375 lines
10 KiB
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 (c) 1992 - 1995 Microsoft Corporation. All Rights Reserved.
|
|
*
|
|
**************************************************************************/
|
|
/****************************************************************************
|
|
*
|
|
* arrow.c: Arrow control window
|
|
*
|
|
* Vidcap32 Source code
|
|
*
|
|
***************************************************************************/
|
|
|
|
|
|
#include <windows.h>
|
|
#include <windowsx.h>
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include "arrow.h"
|
|
|
|
|
|
// a few porting macros
|
|
#ifdef _WIN32
|
|
#define SENDSCROLL(hwnd, msg, a, b, h) \
|
|
SendMessage(hwnd, msg, (UINT)MAKELONG(a,b), (LONG)(h))
|
|
|
|
#define EXPORT
|
|
|
|
#else
|
|
#define SENDSCROLL(hwnd, msg, a, b, h)
|
|
SendMessage(hwnd, msg, a, MAKELONG(b,h)) // handle is in HIWORD
|
|
|
|
#endif
|
|
|
|
|
|
#ifndef LONG2POINT
|
|
#define LONG2POINT(l, pt) ((pt).x = (SHORT)LOWORD(l), (pt).y = (SHORT)HIWORD(l))
|
|
#endif
|
|
#define GWID(hwnd) (GetDlgCtrlID(hwnd))
|
|
|
|
|
|
#define SHIFT_TO_DOUBLE 1
|
|
#define DOUBLECLICK 0
|
|
#define POINTSPERARROW 3
|
|
#define ARROWXAXIS 15
|
|
#define ARROWYAXIS 15
|
|
|
|
POINT ArrowUp[POINTSPERARROW] = {7,1, 3,5, 11,5};
|
|
POINT ArrowDown[POINTSPERARROW] = {7,13, 3,9, 11,9};
|
|
|
|
static BOOL bRight;
|
|
static RECT rUp, rDown;
|
|
static LPRECT lpUpDown;
|
|
static FARPROC lpArrowProc;
|
|
static HANDLE hParent;
|
|
BOOL fInTimer;
|
|
|
|
|
|
#define TEMP_BUFF_SIZE 32
|
|
|
|
#define SCROLLMSG(hwndTo, msg, code, hwndId) \
|
|
SENDSCROLL(hwndTo, msg, code, GWID(hwndId), hwndId)
|
|
|
|
/*
|
|
* @doc EXTERNAL WINCOM
|
|
*
|
|
* @api LONG | ArrowEditChange | This function is helps process the WM_VSCROLL
|
|
* message when using the Arrow controlled edit box.
|
|
* It will increment/decrement the value in the given edit box and return
|
|
* the new value. Increment/decrement bounds are checked and Beep 0 is produced if
|
|
* the user attempts to go beyond the bounds.
|
|
*
|
|
* @parm HWND | hwndEdit | Specifies a handle to the edit box window.
|
|
*
|
|
* @parm UINT | wParam | Specifies the <p wParam> passed to the WM_VSCROLL message.
|
|
*
|
|
* @parm LONG | lMin | Specifies the minimum value bound for decrements.
|
|
*
|
|
* @parm LONG | lMax | Specifies the maximum value bound for increments.
|
|
*
|
|
* @rdesc Returns the updated value of the edit box.
|
|
*
|
|
*/
|
|
LONG FAR PASCAL ArrowEditChange( HWND hwndEdit, UINT wParam,
|
|
LONG lMin, LONG lMax )
|
|
{
|
|
char achTemp[TEMP_BUFF_SIZE];
|
|
LONG l;
|
|
|
|
GetWindowText( hwndEdit, achTemp, TEMP_BUFF_SIZE );
|
|
l = atol(achTemp);
|
|
if( wParam == SB_LINEUP ) {
|
|
/* size kluge for now */
|
|
if( l < lMax ) {
|
|
l++;
|
|
wsprintf( achTemp, "%ld", l );
|
|
SetWindowText( hwndEdit, achTemp );
|
|
} else {
|
|
MessageBeep( 0 );
|
|
}
|
|
} else if( wParam == SB_LINEDOWN ) {
|
|
if( l > lMin ) {
|
|
l--;
|
|
wsprintf( achTemp, "%ld", l );
|
|
SetWindowText( hwndEdit, achTemp );
|
|
} else {
|
|
MessageBeep( 0 );
|
|
}
|
|
}
|
|
return( l );
|
|
|
|
}
|
|
|
|
|
|
|
|
UINT NEAR PASCAL UpOrDown()
|
|
{
|
|
LONG pos;
|
|
UINT retval;
|
|
POINT pt;
|
|
|
|
pos = GetMessagePos();
|
|
LONG2POINT(pos,pt);
|
|
if (PtInRect((LPRECT)&rUp, pt))
|
|
retval = SB_LINEUP;
|
|
else if (PtInRect((LPRECT)&rDown, pt))
|
|
retval = SB_LINEDOWN;
|
|
else
|
|
retval = (UINT)(-1); /* -1, because SB_LINEUP == 0 */
|
|
|
|
return(retval);
|
|
}
|
|
|
|
|
|
|
|
UINT FAR PASCAL ArrowTimerProc(hWnd, wMsg, nID, dwTime)
|
|
HANDLE hWnd;
|
|
UINT wMsg;
|
|
short nID;
|
|
DWORD dwTime;
|
|
{
|
|
UINT wScroll;
|
|
|
|
if ((wScroll = UpOrDown()) != -1)
|
|
{
|
|
if (bRight == WM_RBUTTONDOWN)
|
|
wScroll += SB_PAGEUP - SB_LINEUP;
|
|
SCROLLMSG( hParent, WM_VSCROLL, wScroll, hWnd);
|
|
}
|
|
/* Don't need to call KillTimer(), because SetTimer will reset the right one */
|
|
SetTimer(hWnd, nID, 50, (TIMERPROC)lpArrowProc);
|
|
return(0);
|
|
}
|
|
|
|
|
|
void InvertArrow(HANDLE hArrow, UINT wScroll)
|
|
{
|
|
HDC hDC;
|
|
|
|
lpUpDown = (wScroll == SB_LINEUP) ? &rUp : &rDown;
|
|
hDC = GetDC(hArrow);
|
|
ScreenToClient(hArrow, (LPPOINT)&(lpUpDown->left));
|
|
ScreenToClient(hArrow, (LPPOINT)&(lpUpDown->right));
|
|
InvertRect(hDC, lpUpDown);
|
|
ClientToScreen(hArrow, (LPPOINT)&(lpUpDown->left));
|
|
ClientToScreen(hArrow, (LPPOINT)&(lpUpDown->right));
|
|
ReleaseDC(hArrow, hDC);
|
|
ValidateRect(hArrow, lpUpDown);
|
|
return;
|
|
}
|
|
|
|
|
|
LONG FAR PASCAL EXPORT ArrowControlProc(HWND hArrow, unsigned message,
|
|
WPARAM wParam, LPARAM lParam)
|
|
{
|
|
PAINTSTRUCT ps;
|
|
RECT rArrow;
|
|
HBRUSH hbr;
|
|
short fUpDownOut;
|
|
UINT wScroll;
|
|
|
|
switch (message) {
|
|
/*
|
|
case WM_CREATE:
|
|
break;
|
|
|
|
case WM_DESTROY:
|
|
break;
|
|
*/
|
|
|
|
case WM_MOUSEMOVE:
|
|
if (!bRight) /* If not captured, don't worry about it */
|
|
break;
|
|
|
|
if (lpUpDown == &rUp)
|
|
fUpDownOut = SB_LINEUP;
|
|
else if (lpUpDown == &rDown)
|
|
fUpDownOut = SB_LINEDOWN;
|
|
else
|
|
fUpDownOut = -1;
|
|
|
|
switch (wScroll = UpOrDown()) {
|
|
case SB_LINEUP:
|
|
if (fUpDownOut == SB_LINEDOWN)
|
|
InvertArrow(hArrow, SB_LINEDOWN);
|
|
|
|
if (fUpDownOut != SB_LINEUP)
|
|
InvertArrow(hArrow, wScroll);
|
|
|
|
break;
|
|
|
|
case SB_LINEDOWN:
|
|
if (fUpDownOut == SB_LINEUP)
|
|
InvertArrow(hArrow, SB_LINEUP);
|
|
|
|
if (fUpDownOut != SB_LINEDOWN)
|
|
InvertArrow(hArrow, wScroll);
|
|
|
|
break;
|
|
|
|
default:
|
|
if (lpUpDown) {
|
|
InvertArrow(hArrow, fUpDownOut);
|
|
lpUpDown = 0;
|
|
}
|
|
}
|
|
|
|
break;
|
|
|
|
case WM_RBUTTONDOWN:
|
|
case WM_LBUTTONDOWN:
|
|
if (bRight)
|
|
break;
|
|
|
|
bRight = message;
|
|
SetCapture(hArrow);
|
|
hParent = GetParent(hArrow);
|
|
GetWindowRect(hArrow, (LPRECT) &rUp);
|
|
CopyRect((LPRECT)&rDown, (LPRECT) &rUp);
|
|
rUp.bottom = (rUp.top + rUp.bottom) / 2;
|
|
rDown.top = rUp.bottom + 1;
|
|
wScroll = UpOrDown();
|
|
InvertArrow(hArrow, wScroll);
|
|
#if SHIFT_TO_DOUBLE
|
|
if (wParam & MK_SHIFT) {
|
|
if (message != WM_RBUTTONDOWN)
|
|
goto ShiftLClick;
|
|
else
|
|
goto ShiftRClick;
|
|
}
|
|
#endif
|
|
if (message == WM_RBUTTONDOWN)
|
|
wScroll += SB_PAGEUP - SB_LINEUP;
|
|
|
|
SCROLLMSG(hParent, WM_VSCROLL, wScroll, hArrow);
|
|
|
|
lpArrowProc = MakeProcInstance((FARPROC) ArrowTimerProc,ghInst);
|
|
SetTimer(hArrow, GWID(hArrow), 200, (TIMERPROC)lpArrowProc);
|
|
|
|
break;
|
|
|
|
case WM_LBUTTONUP:
|
|
case WM_RBUTTONUP:
|
|
if ((bRight - WM_LBUTTONDOWN + WM_LBUTTONUP) == (int)message) {
|
|
bRight = 0;
|
|
ReleaseCapture();
|
|
if (lpUpDown)
|
|
InvertArrow(hArrow,(UINT)(lpUpDown==&rUp)?
|
|
SB_LINEUP:SB_LINEDOWN);
|
|
if (lpArrowProc) {
|
|
SCROLLMSG(hParent, WM_VSCROLL, SB_ENDSCROLL, hArrow);
|
|
KillTimer(hArrow, GWID(hArrow));
|
|
|
|
FreeProcInstance(lpArrowProc);
|
|
ReleaseCapture();
|
|
lpArrowProc = 0;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case WM_LBUTTONDBLCLK:
|
|
ShiftLClick:
|
|
wScroll = UpOrDown() + SB_TOP - SB_LINEUP;
|
|
SCROLLMSG(hParent, WM_VSCROLL, wScroll, hArrow);
|
|
SCROLLMSG(hParent, WM_VSCROLL, SB_ENDSCROLL, hArrow);
|
|
|
|
break;
|
|
|
|
case WM_RBUTTONDBLCLK:
|
|
ShiftRClick:
|
|
wScroll = UpOrDown() + SB_THUMBPOSITION - SB_LINEUP;
|
|
SCROLLMSG(hParent, WM_VSCROLL, wScroll, hArrow);
|
|
SCROLLMSG(hParent, WM_VSCROLL, SB_ENDSCROLL, hArrow);
|
|
/*
|
|
hDC = GetDC(hArrow);
|
|
InvertRect(hDC, (LPRECT) &rArrow);
|
|
ReleaseDC(hArrow, hDC);
|
|
ValidateRect(hArrow, (LPRECT) &rArrow);
|
|
*/
|
|
break;
|
|
|
|
case WM_PAINT:
|
|
BeginPaint(hArrow, &ps);
|
|
GetClientRect(hArrow, (LPRECT) &rArrow);
|
|
hbr = CreateSolidBrush(GetSysColor(COLOR_BTNFACE));
|
|
FillRect(ps.hdc, (LPRECT)&rArrow, hbr);
|
|
DeleteObject(hbr);
|
|
hbr = SelectObject(ps.hdc, GetStockObject(BLACK_BRUSH));
|
|
SetTextColor(ps.hdc, GetSysColor(COLOR_WINDOWFRAME));
|
|
SetMapMode(ps.hdc, MM_ANISOTROPIC);
|
|
|
|
SetViewportOrgEx(ps.hdc, rArrow.left, rArrow.top, NULL);
|
|
|
|
SetViewportExtEx(ps.hdc, rArrow.right - rArrow.left,
|
|
rArrow.bottom - rArrow.top, NULL);
|
|
SetWindowOrgEx(ps.hdc, 0, 0, NULL);
|
|
SetWindowExtEx(ps.hdc, ARROWXAXIS, ARROWYAXIS, NULL);
|
|
MoveToEx(ps.hdc, 0, (ARROWYAXIS / 2), NULL);
|
|
LineTo(ps.hdc, ARROWXAXIS, (ARROWYAXIS / 2));
|
|
/*
|
|
Polygon(ps.hdc, (LPPOINT) Arrow, 10);
|
|
*/
|
|
Polygon(ps.hdc, (LPPOINT) ArrowUp, POINTSPERARROW);
|
|
Polygon(ps.hdc, (LPPOINT) ArrowDown, POINTSPERARROW);
|
|
SelectObject(ps.hdc, hbr);
|
|
|
|
EndPaint(hArrow, &ps);
|
|
|
|
break;
|
|
|
|
default:
|
|
return(DefWindowProc(hArrow, message, wParam, lParam));
|
|
|
|
break;
|
|
}
|
|
|
|
return(0L);
|
|
}
|
|
|
|
#ifndef _WIN32
|
|
#pragma alloc_text(_INIT, ArrowInit)
|
|
#endif
|
|
|
|
|
|
BOOL FAR PASCAL ArrowInit(HANDLE hInst)
|
|
{
|
|
WNDCLASS wcArrow;
|
|
|
|
wcArrow.lpszClassName = SPINARROW_CLASSNAME;
|
|
wcArrow.hInstance = hInst;
|
|
wcArrow.lpfnWndProc = ArrowControlProc;
|
|
wcArrow.hCursor = LoadCursor(NULL, IDC_ARROW);
|
|
wcArrow.hIcon = NULL;
|
|
wcArrow.lpszMenuName = NULL;
|
|
wcArrow.hbrBackground = CreateSolidBrush(GetSysColor(COLOR_WINDOW));
|
|
wcArrow.style = CS_HREDRAW | CS_VREDRAW;
|
|
#if DOUBLECLICK
|
|
wcArrow.style |= CS_DBLCLKS;
|
|
#endif
|
|
wcArrow.cbClsExtra = 0;
|
|
wcArrow.cbWndExtra = 0;
|
|
|
|
if (!RegisterClass(&wcArrow))
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|