345 lines
12 KiB
C
345 lines
12 KiB
C
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/** FILE: arrowin.c ******** Module Header ********************************
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*
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* Control panel arrow window class routines. This file contains the
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* window procedure and utility functions for managing the "cpArrow"
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* window class/spinner control for use by Control Panel applet dialogs.
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*
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* History:
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* 15:30 on Thur 25 Apr 1991 -by- Steve Cathcart [stevecat]
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* Took base code from Win 3.1 source
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*
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* Copyright (C) 1990-1991 Microsoft Corporation
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*
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*************************************************************************/
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//==========================================================================
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// Include files
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//==========================================================================
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// C Runtime
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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// Windows SDK
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/* cut out unnec stuff from windows.h */
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#define NOCLIPBOARD
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#define NOMETAFILE
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#define NOREGION
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#define NOSYSCOMMANDS
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#define NOATOM
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#define NOGDICAPMASKS
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#include <windows.h>
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//==========================================================================
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// Local Definitions
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//==========================================================================
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#define SHIFT_TO_DOUBLE 1
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#define DOUBLECLICK 0
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#define PRESSINVERT 1
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#define POINTSPERARROW 3
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#define ARROWXAXIS 15
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#define ARROWYAXIS 15
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//==========================================================================
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// External Declarations
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//==========================================================================
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extern HANDLE hModule;
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//==========================================================================
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// Local Data Declarations
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//==========================================================================
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#if 0
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POINT Arrow[11] = { 16, 1, 2, 14, 12, 14, 12, 20, 2, 20, 16, 33,
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29, 20, 20, 20, 20, 14, 29, 14/*, 16,1*/};
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#endif
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#if 0
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POINT ArrowUp[7] = {5, 2, 8, 5, 6, 5, 6, 7, 4, 7, 4, 5, 2, 5};
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POINT ArrowDown[7] = { 4, 10, 6, 10, 6, 12, 8, 12, 5, 15, 2, 12, 4, 12};
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#endif
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POINT ArrowUp[POINTSPERARROW] = {7, 1, 3, 5, 11, 5};
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POINT ArrowDown[POINTSPERARROW] = {7, 13, 3, 9, 11, 9};
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BOOL bRight;
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RECT rUp, rDown;
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LPRECT lpUpDown;
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FARPROC lpArrowProc;
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HANDLE hParent;
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//==========================================================================
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// Local Function Prototypes
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//==========================================================================
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//==========================================================================
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// Functions
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//==========================================================================
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WORD UpOrDown()
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{
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LONG l;
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WORD retval;
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POINT pt;
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l = GetMessagePos();
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pt.y = (int) HIWORD(l);
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pt.x = (int) LOWORD(l);
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if (PtInRect((LPRECT) &rUp, pt))
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retval = SB_LINEUP;
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else if (PtInRect((LPRECT) &rDown, pt))
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retval = SB_LINEDOWN;
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else
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retval = (WORD)-1; /* -1, because SB_LINEUP == 0 */
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return(retval);
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}
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WORD ArrowTimerProc(hWnd, wMsg, nID, dwTime)
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HANDLE hWnd;
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WORD wMsg;
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short nID;
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DWORD dwTime;
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{
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WORD wScroll;
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if ((wScroll = UpOrDown()) != -1)
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{
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if (bRight == WM_RBUTTONDOWN)
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wScroll += SB_PAGEUP - SB_LINEUP;
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// [stevecat] - changed WM_VSCROLL message parameter ordering for WIN32
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SendMessage(hParent, WM_VSCROLL, MAKELONG(wScroll,
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GetWindowLong(hWnd, GWL_ID)), (LONG) hWnd);
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}
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/* Don't need to call KillTimer(), because SetTimer will reset the right one */
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SetTimer(hWnd, nID, 50, (TIMERPROC)lpArrowProc);
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return(0);
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#if 0
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wMsg = wMsg;
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dwTime = dwTime;
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#endif
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}
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#if PRESSINVERT
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void InvertArrow(HANDLE hArrow, WORD wScroll)
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{
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HDC hDC;
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lpUpDown = (wScroll == SB_LINEUP) ? &rUp : &rDown;
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hDC = GetDC(hArrow);
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ScreenToClient(hArrow, (LPPOINT) &(lpUpDown->left));
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ScreenToClient(hArrow, (LPPOINT) &(lpUpDown->right));
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InvertRect(hDC, lpUpDown);
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ClientToScreen(hArrow, (LPPOINT) &(lpUpDown->left));
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ClientToScreen(hArrow, (LPPOINT) &(lpUpDown->right));
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ReleaseDC(hArrow, hDC);
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ValidateRect(hArrow, lpUpDown);
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return;
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}
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#endif
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LONG ArrowControlProc(HWND hArrow, UINT message, UINT wParam, LONG lParam)
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{
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PAINTSTRUCT ps;
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RECT rArrow;
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HBRUSH hbr;
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short fUpDownOut;
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WORD wScroll;
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POINT tPoint;
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SIZE tSize;
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switch (message)
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{
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/*
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case WM_CREATE:
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break;
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case WM_DESTROY:
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break;
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*/
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case WM_MOUSEMOVE:
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if (!bRight) /* If not captured, don't worry about it */
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break;
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if (lpUpDown == &rUp)
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fUpDownOut = SB_LINEUP;
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else if (lpUpDown == &rDown)
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fUpDownOut = SB_LINEDOWN;
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else
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fUpDownOut = -1;
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switch (wScroll = UpOrDown())
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{
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case SB_LINEUP:
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if (fUpDownOut == SB_LINEDOWN)
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InvertArrow(hArrow, SB_LINEDOWN);
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if (fUpDownOut != SB_LINEUP)
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InvertArrow(hArrow, wScroll);
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break;
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case SB_LINEDOWN:
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if (fUpDownOut == SB_LINEUP)
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InvertArrow(hArrow, SB_LINEUP);
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if (fUpDownOut != SB_LINEDOWN)
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InvertArrow(hArrow, wScroll);
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break;
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default:
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if (lpUpDown)
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{
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InvertArrow(hArrow, fUpDownOut);
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lpUpDown = 0;
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}
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}
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break;
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case WM_RBUTTONDOWN:
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case WM_LBUTTONDOWN:
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if (bRight)
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break;
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bRight = message;
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SetCapture(hArrow);
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hParent = GetParent(hArrow);
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GetWindowRect(hArrow, (LPRECT) &rUp);
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CopyRect((LPRECT) &rDown, (LPRECT) &rUp);
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rUp.bottom = (rUp.top + rUp.bottom) / 2;
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rDown.top = rUp.bottom + 1;
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wScroll = UpOrDown();
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#if PRESSINVERT
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InvertArrow(hArrow, wScroll);
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#endif
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#if SHIFT_TO_DOUBLE
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if (wParam & MK_SHIFT)
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{
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if (message != WM_RBUTTONDOWN)
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goto ShiftLClick;
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else
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goto ShiftRClick;
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}
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#endif
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if (message == WM_RBUTTONDOWN)
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wScroll += SB_PAGEUP - SB_LINEUP;
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// [stevecat] - changed WM_VSCROLL message parameter ordering for WIN32
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SendMessage(hParent, WM_VSCROLL, MAKELONG(wScroll,
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GetWindowLong(hArrow, GWL_ID)), (LONG) hArrow);
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lpArrowProc = MakeProcInstance((FARPROC) ArrowTimerProc, hModule);
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SetTimer(hArrow, GetWindowLong(hArrow, GWL_ID), 200, (TIMERPROC)lpArrowProc);
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break;
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case WM_LBUTTONUP:
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case WM_RBUTTONUP:
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if ((UINT) (bRight - WM_LBUTTONDOWN + WM_LBUTTONUP) == message)
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{
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bRight = 0;
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ReleaseCapture();
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#if PRESSINVERT
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if (lpUpDown)
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InvertArrow(hArrow, (WORD)((lpUpDown == &rUp) ? SB_LINEUP : SB_LINEDOWN));
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#endif
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if (lpArrowProc)
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{
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// [stevecat] - changed WM_VSCROLL message parameter ordering for WIN32
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SendMessage(hParent, WM_VSCROLL, MAKELONG(SB_ENDSCROLL,
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GetWindowLong(hArrow, GWL_ID)), (LONG) hArrow);
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KillTimer(hArrow, GetWindowLong(hArrow, GWL_ID));
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FreeProcInstance(lpArrowProc);
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ReleaseCapture();
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lpArrowProc = 0;
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}
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}
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break;
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case WM_LBUTTONDBLCLK:
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ShiftLClick:
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wScroll = UpOrDown() + (WORD) (SB_TOP - SB_LINEUP);
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// [stevecat] - changed WM_VSCROLL message parameter ordering for WIN32
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SendMessage(hParent, WM_VSCROLL, MAKELONG(wScroll,
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GetWindowLong(hArrow, GWL_ID)), (LONG) hArrow);
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SendMessage(hParent, WM_VSCROLL, MAKELONG(wScroll,
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GetWindowLong(hArrow, GWL_ID)), (LONG) hArrow);
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break;
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case WM_RBUTTONDBLCLK:
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ShiftRClick:
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wScroll = UpOrDown() + (WORD) (SB_THUMBPOSITION - SB_LINEUP);
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// [stevecat] - changed WM_VSCROLL message parameter ordering for WIN32
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SendMessage(hParent, WM_VSCROLL, MAKELONG(wScroll,
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GetWindowLong(hArrow, GWL_ID)), (LONG) hArrow);
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SendMessage(hParent, WM_VSCROLL, MAKELONG(wScroll,
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GetWindowLong(hArrow, GWL_ID)), (LONG) hArrow);
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/*
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hDC = GetDC(hArrow);
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InvertRect(hDC, (LPRECT) &rArrow);
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ReleaseDC(hArrow, hDC);
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ValidateRect(hArrow, (LPRECT) &rArrow);
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*/
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break;
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case WM_PAINT:
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BeginPaint(hArrow, &ps);
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GetClientRect(hArrow, (LPRECT) &rArrow);
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if (hbr = CreateSolidBrush(GetSysColor(COLOR_BTNFACE)))
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{
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FillRect(ps.hdc, (LPRECT) &rArrow, hbr);
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DeleteObject(hbr);
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}
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hbr = SelectObject(ps.hdc, GetStockObject(BLACK_BRUSH));
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SetTextColor(ps.hdc, GetSysColor(COLOR_WINDOWFRAME));
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SetMapMode(ps.hdc, MM_ANISOTROPIC);
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SetViewportOrgEx(ps.hdc, rArrow.left, rArrow.top, &tPoint);
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SetViewportExtEx(ps.hdc, rArrow.right - rArrow.left,
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rArrow.bottom - rArrow.top, &tSize);
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SetWindowOrgEx(ps.hdc, 0, 0, &tPoint);
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SetWindowExtEx(ps.hdc, ARROWXAXIS, ARROWYAXIS, &tSize);
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MoveToEx(ps.hdc, 0, (ARROWYAXIS / 2), &tPoint);
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LineTo(ps.hdc, ARROWXAXIS, (ARROWYAXIS / 2));
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/*
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Polygon(ps.hdc, (LPPOINT) Arrow, 10);
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*/
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Polygon(ps.hdc, (LPPOINT) ArrowUp, POINTSPERARROW);
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Polygon(ps.hdc, (LPPOINT) ArrowDown, POINTSPERARROW);
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SelectObject(ps.hdc, hbr);
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EndPaint(hArrow, &ps);
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break;
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default:
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return(DefWindowProc(hArrow, message, wParam, lParam));
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break;
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}
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return(0L);
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}
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BOOL RegisterArrowClass (HANDLE hModule)
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{
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WNDCLASS wcArrow;
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wcArrow.lpszClassName = "cpArrow";
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wcArrow.hInstance = hModule;
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wcArrow.lpfnWndProc = ArrowControlProc;
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wcArrow.hCursor = LoadCursor(NULL, IDC_ARROW);
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wcArrow.hIcon = NULL;
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wcArrow.lpszMenuName = NULL;
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wcArrow.hbrBackground = (HBRUSH) (COLOR_WINDOW + 1);
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wcArrow.style = CS_HREDRAW | CS_VREDRAW;
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#if DOUBLECLICK
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wcArrow.style |= CS_DBLCLKS;
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#endif
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wcArrow.cbClsExtra = 0;
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wcArrow.cbWndExtra = 0;
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return(RegisterClass((LPWNDCLASS) &wcArrow));
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}
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