windows-nt/Source/XPSP1/NT/shell/osshell/control/midi/patch.c
2020-09-26 16:20:57 +08:00

1151 lines
38 KiB
C

/*
* PATCH.C
*
* Copyright (C) 1990 Microsoft Corporation.
*
* Edit patchmaps dialog box and support functions.
*/
/* Revision history:
March 92 Ported to 16/32 common code by Laurie Griffiths (LaurieGr)
*/
/*-=-=-=-=- Include Files -=-=-=-=-*/
#include "preclude.h"
#include <windows.h>
#include <mmsystem.h>
#include <port1632.h>
#include <string.h>
#include "hack.h"
#include "midimap.h"
#include "cphelp.h"
#include "midi.h"
#include "extern.h"
#if defined(WIN32)
#define _based(x)
#endif //WIN32
/*-=-=-=-=- Prototypes -=-=-=-=-*/
static SZCODE aszPatchNumFormat[] = "%3d";
static MMAPERR PASCAL MmaperrPatchInit(HWND);
static MMAPERR PASCAL MmaperrPatchInitNew(VOID);
static VOID PASCAL PatchEnumKeys(HWND);
static VOID PASCAL PatchSize(HWND, BOOL);
static VOID PASCAL PatchPaint(VOID);
static VOID PASCAL PatchArrowScroll(WPARAM, LPARAM);
static VOID PASCAL PatchWindowScroll(HWND, UINT, int);
static VOID PASCAL PatchEditMsg(UINT id , WORD NotifCode);
static VOID PASCAL PatchComboMsg(HWND hDlg, WORD NotifCode);
static VOID PASCAL PatchButtonDown(HWND, LONG);
static VOID PASCAL PatchSetFocus(HWND, UINT, int);
static VOID PASCAL PatchActiveLine(UINT, UINT);
static int PASCAL PatchSave(HWND, BOOL);
/*-=-=-=-=- Global Definitions -=-=-=-=-*/
#define PAL_SHOW 0 // show active line
#define PAL_HIDE 1 // hide active line
#define PSF_REDRAW 0x0001 // redraw where line used to be
#define PSF_SHOWIFHIDDEN 0x0002 // show line if hidden
#define DEF_PATCH_ROWS 16 // number of default patch rows
/*-=-=-=-=- Global Variables -=-=-=-=-*/
static HWND hCombo, // keymap combo-box control handle
hScroll, // scroll bar control handle
hVolEdit, // volume edit control handle
hVolArrow; // volume arrow control handle
static HGLOBAL hPatchMap;
static int nKeys, // number of key maps in mapfile
iPatchBase,
xArrowOffset, // patch arrow ctrl positional offset
xVolArrowOffset; // volume arrow ctrl positional offset
static char szCaption[80];
static char szCaptionFormat[80];
/*-=-=-=-=- Functions -=-=-=-=-*/
/*
* PATCHBOX
*/
BOOL FAR PASCAL _loadds PatchBox( HWND hDlg,
UINT uMessage,
WPARAM wParam,
LPARAM lParam )
{
int iRet = FALSE;
char szBuf [50];
MMAPERR mmaperr;
switch (uMessage) {
case WM_INITDIALOG :
hWnd = hDlg;
SetFocus(GetDlgItem(hDlg, ID_PATCHNUMEDIT));
if ((mmaperr = MmaperrPatchInit(hDlg)) != MMAPERR_SUCCESS) {
VShowError(hDlg, mmaperr);
EndDialog(hDlg, FALSE);
}
SetScrollRange(hScroll, SB_CTL, 0, iVertMax, FALSE);
SetScrollPos(hScroll, SB_CTL, iVertPos, TRUE);
PlaceWindow(hWnd);
return FALSE;
case WM_COMMAND :
{ WORD id = LOWORD(wParam);
#if defined(WIN16)
WORD NotifCode = HIWORD(lParam);
HWND hwnd = LOWORD(lParam);
#else
WORD NotifCode = HIWORD(wParam);
HWND hwnd = (HWND)lParam;
#endif //WIN16
switch(id) {
case IDH_DLG_MIDI_PATCHEDIT:
goto DoHelp;
case ID_PATCHGHOSTEDITFIRST:
/* assume the user back-tabbed before the first
* control on the current row, so jump to the
* previous row (if iCurPos > 0) or the last row
* (if iCurPos == 0)
*/
if (fHidden) // we shouldn't get these
break; // messages when we're hidden -jyg
if (NotifCode != EN_SETFOCUS)
break;
if (iCurPos < 0)
/* do nothing */ ;
else if (iCurPos > 0)
iCurPos--;
else
{
if (iVertPos != 0)
{
/* at top -- scroll up one line */
PatchWindowScroll(hDlg, SB_LINEUP, 0);
iCurPos = 0;
}
else
{
PatchWindowScroll(hDlg, SB_THUMBPOSITION,iVertMax);
iCurPos = nLines - 1;
PatchSetFocus(hDlg, PSF_REDRAW|PSF_SHOWIFHIDDEN, 0L);
PatchActiveLine(PAL_SHOW, SWP_SHOWWINDOW);
}
}
PatchSetFocus(hDlg, PSF_REDRAW, 1);
SetFocus(hCombo);
break;
case ID_PATCHGHOSTEDITLAST:
/* assume the user forward-tabbed beyond the last
* control on the current row, so jump to the
* next row (if iCurPos < nLines - 1) or the first row
* (if iCurPos == nLines - 1)
*/
if (fHidden) //we shouldn't get these messages
break; //when we're hidden -jyg
if (NotifCode != EN_SETFOCUS)
break;
if (iCurPos < 0)
/* do nothing */ ;
else if (iCurPos < nLines - 1)
iCurPos++;
else
{
if (iVertPos != iVertMax)
{
/* at bottom -- scroll down one line */
PatchWindowScroll(hDlg, SB_LINEDOWN, 0);
iCurPos = nLines - 1;
}
else
{
/* wrap to the top cell */
PatchWindowScroll(hDlg, SB_THUMBPOSITION,-iVertMax);
iCurPos = 0;
PatchSetFocus(hDlg, PSF_REDRAW|PSF_SHOWIFHIDDEN, 0L);
PatchActiveLine(PAL_SHOW, SWP_SHOWWINDOW);
}
}
PatchSetFocus(hDlg, PSF_REDRAW, 1);
SetFocus(hEdit);
#if defined(WIN16)
SendMessage(hEdit, EM_SETSEL, (WPARAM)0, MAKELPARAM(0, 32767));
#else
SendMessage(hEdit, EM_SETSEL, (WPARAM)0, (LPARAM)-1);
#endif //WIN16
break;
case IDOK :
case IDCANCEL :
if (NotifCode != BN_CLICKED)
break;
if (!fReadOnly && (id == IDOK) && fModified) {
iRet = PatchSave(hDlg, TRUE);
if (iRet == IDCANCEL)
break;
iRet = (iRet == IDYES);
}
else
iRet = FALSE;
GlobalFree(hPatchMap);
nKeys = 0;
EndDialog(hDlg, iRet);
break;
case ID_PATCHNUMEDIT :
case ID_PATCHVOLEDIT :
PatchEditMsg(id, NotifCode);
break;
case ID_PATCHCOMBO :
PatchComboMsg(hDlg, NotifCode);
break;
case ID_PATCHBASED :
if (NotifCode != BN_CLICKED)
break;
iPatchBase = !iPatchBase;
wsprintf(szBuf, aszPatchNumber,
!iPatchBase);
SetWindowText(hwnd, szBuf);
PatchEditMsg(ID_PATCHNUMEDIT, EN_ACTIVATE);
SetFocus(hEdit);
#if defined(WIN16)
SendMessage(hEdit, EM_SETSEL, (WPARAM)0, MAKELPARAM(0, 32767));
#else
SendMessage(hEdit, EM_SETSEL, (WPARAM)0, (LPARAM)-1);
#endif //WIN16
InvalidateRect(hWnd, &rcBox, TRUE);
break;
default :
return FALSE;
}
break;
} /* end of WM_COMMAND */
case WM_PAINT :
PatchPaint();
break;
case WM_LBUTTONDOWN :
PatchButtonDown(hDlg, (LONG)lParam);
break;
case WM_VSCROLL :
#if defined(WIN16)
if ((HWND)HIWORD(lParam) == hScroll)
PatchWindowScroll(hDlg, (WORD)wParam, (int)LOWORD(lParam));
else
PatchArrowScroll((WORD)wParam, (LONG)lParam);
#else
if ((HWND)(lParam) == hScroll)
PatchWindowScroll(hDlg, LOWORD(wParam), HIWORD(wParam));
else
PatchArrowScroll(LOWORD(wParam), lParam);
#endif //WIN16
break;
case WM_CLOSE :
PostMessage(hDlg, WM_COMMAND, (WPARAM)IDOK, (LPARAM)0);
break;
default:
if (uMessage == uHelpMessage) {
DoHelp:
WinHelp(hWnd, szMidiHlp, HELP_CONTEXT,
IDH_DLG_MIDI_PATCHEDIT);
return TRUE;
}
else
return FALSE;
break;
}
return TRUE;
} /* PatchBox */
/*
* MmaperrPatchInit
*/
static MMAPERR PASCAL MmaperrPatchInit(
HWND hDlg)
{
PATCHMAP FAR* lpPatch;
LONG lDBU;
MMAPERR mmaperr;
UINT xBU,
yBU,
xWidth, // width of current column
xArrow, // width of arrow control
xEdit, // width of edit controls
yEdit, // height of edit/arrow controls
xCombo, // width of combo boxes
yCombo; // height of combo boxes
int i;
fHidden = FALSE;
iVertPos = 0;
iCurPos = 0;
nKeys = 0;
nLines = 0; // necessary?
iPatchBase = 1; // getprofile
hEdit = GetDlgItem(hWnd, ID_PATCHNUMEDIT);
hArrow = GetDlgItem(hWnd, ID_PATCHNUMARROW);
hVolEdit = GetDlgItem(hWnd, ID_PATCHVOLEDIT);
hVolArrow = GetDlgItem(hWnd, ID_PATCHVOLARROW);
hCombo = GetDlgItem(hWnd, ID_PATCHCOMBO);
hScroll = GetDlgItem(hWnd, ID_PATCHSCROLL);
if (fReadOnly)
{
EnableWindow(GetDlgItem(hWnd,IDOK),FALSE);
SendMessage(hWnd, DM_SETDEFID, (WPARAM)IDCANCEL, (LPARAM)0);
}
lDBU = GetDialogBaseUnits();
xBU = LOWORD(lDBU);
yBU = HIWORD(lDBU);
xArrow = (10 * xBU) / 4; // about yea big
xEdit = (40 * xBU) / 4; // 10 chars wide
yEdit = (10 * yBU) / 8; // cookie heaven
xCombo = (64 * xBU) / 4; // 16 chars wide
yCombo = (46 * yBU) / 8; // oreos
rcBox.left = (HORZMARGIN * xBU) / 4;
for (i = 0, rcBox.right = rcBox.left; i < 6; i++) {
rgxPos [i] = rcBox.right;
switch (i) {
case 0 :
// width of src patch # text (3.5 chars wide)
rcBox.right += xEdit;
break;
case 1 :
// width of src patch name text
rcBox.right += (72 * xBU) / 4; // 18 chars wide
break;
case 2 :
// width of dst patch # edit control
xWidth = xEdit;
SetWindowPos(hEdit, NULL, 0L, 0L,
xWidth, yEdit, SWP_NOZORDER | SWP_NOMOVE);
// set global arrow control offset to proper position
rcBox.right += xArrowOffset = xWidth - 1;
// width of dst patch # arrow control
xWidth = xArrow;
SetWindowPos(hArrow, NULL, 0L, 0L,
xWidth, yEdit, SWP_NOZORDER | SWP_NOMOVE);
rcBox.right += xWidth - 1;
break;
case 3 :
// width of volume % edit control
xWidth = xEdit;
SetWindowPos(hVolEdit, NULL, 0L, 0L,
xWidth, yEdit, SWP_NOZORDER | SWP_NOMOVE);
// set global arrow control offset to proper position
rcBox.right += xVolArrowOffset = xWidth - 1;
// width of volume % arrow control
xWidth = xArrow;
SetWindowPos(hVolArrow, NULL, 0L, 0L,
xWidth, yEdit, SWP_NOZORDER | SWP_NOMOVE);
rcBox.right += xWidth - 1;
break;
case 4 :
// width of keymap combo box. I'd use MMAP_MAXLEN
xWidth = xCombo;
SetWindowPos(hCombo, NULL, 0L, 0L,
xWidth, yCombo, SWP_NOZORDER | SWP_NOMOVE);
rcBox.right += xWidth - 1;
break;
case 5 :
break;
}
}
if (!nKeys)
PatchEnumKeys(hCombo);
if (!fNew) {
if ((hPatchMap = GlobalAlloc(GHND, sizeof(PATCHMAP))) == NULL)
return MMAPERR_MEMORY;
lpPatch = (PATCHMAP FAR*)GlobalLock(hPatchMap);
if ((mmaperr = mapReadPatchMap(szCurrent, lpPatch)) == MMAPERR_SUCCESS)
if (lstrcmp(lpPatch->aszPatchMapDescription, szCurDesc)) {
lstrcpy(lpPatch->aszPatchMapDescription, szCurDesc);
fNew = TRUE;
}
GlobalUnlock(hPatchMap);
if (mmaperr != MMAPERR_SUCCESS) {
GlobalFree(hPatchMap);
hPatchMap = NULL;
return mmaperr;
}
} else if ((mmaperr = MmaperrPatchInitNew()) != MMAPERR_SUCCESS)
return mmaperr;
LoadString(hLibInst, IDS_PATCHES ,szCaptionFormat, sizeof(szCaptionFormat));
wsprintf(szCaption, szCaptionFormat, (LPSTR)szCurrent);
SetWindowText(hWnd, szCaption);
SendMessage(GetDlgItem(hWnd, ID_PATCHDESTMNEM),
WM_SETFONT, (WPARAM)hFont, (LPARAM)0);
SendMessage(GetDlgItem(hWnd, ID_PATCHVOLMNEM),
WM_SETFONT, (WPARAM)hFont, (LPARAM)0);
SendMessage(GetDlgItem(hWnd, ID_PATCHKEYMNEM),
WM_SETFONT, (WPARAM)hFont, (LPARAM)0);
PatchSize(hDlg, TRUE);
i = rcBox.top - yChar + 5;
SetWindowPos(GetDlgItem(hWnd, ID_PATCHDESTMNEM), NULL,
rgxPos [2] - xChar + 7, i, 0L, 0L, SWP_NOSIZE | SWP_NOZORDER);
SetWindowPos(GetDlgItem(hWnd, ID_PATCHVOLMNEM), NULL,
rgxPos [3] + xChar - 6, i, 0L, 0L, SWP_NOSIZE | SWP_NOZORDER);
SetWindowPos(GetDlgItem(hWnd, ID_PATCHKEYMNEM), NULL,
rgxPos [4] + xChar, i, 0L, 0L, SWP_NOSIZE | SWP_NOZORDER);
#if defined(WIN16)
SendMessage(hWnd, WM_COMMAND, (WPARAM)ID_PATCHBASED, MAKELPARAM(GetDlgItem(hWnd, ID_PATCHBASED), BN_CLICKED));
#else
SendMessage( hWnd
, WM_COMMAND
, (WPARAM)MAKELONG(ID_PATCHBASED, BN_CLICKED)
, (LPARAM)GetDlgItem(hWnd, ID_PATCHBASED)
);
#endif //WIN16
Modify(fNew);
return MMAPERR_SUCCESS;
} /* MmaperrPatchInit */
/*
* MmaperrPatchInitNew
*/
static MMAPERR PASCAL MmaperrPatchInitNew(
VOID)
{
PATCHMAP FAR* lpPatch;
UINT u;
if ((hPatchMap = GlobalAlloc(GHND,
(DWORD)sizeof(PATCHMAP))) == NULL)
return MMAPERR_MEMORY;
lpPatch = (PATCHMAP FAR*)GlobalLock(hPatchMap);
lstrcpy(lpPatch->aszPatchMapName, szCurrent);
lstrcpy(lpPatch->aszPatchMapDescription, szCurDesc);
for (u = 0; u < MIDIPATCHSIZE; u++) {
lpPatch->keymaps[u].bVolume = 100;
lpPatch->keymaps[u].bDestination = (BYTE)u;
lstrcpy(lpPatch->keymaps[u].aszKeyMapName, szNone);
}
GlobalUnlock(hPatchMap);
return MMAPERR_SUCCESS;
} /* MmaperrPatchInitNew */
/*
* PATCHENUMKEYS
*/
static
VOID PASCAL PatchEnumKeys(HWND hCombo)
{
mapEnumerate(MMAP_KEY, EnumFunc, MMENUM_BASIC, hCombo, NULL);
SendMessage(hCombo, CB_ADDSTRING, (WPARAM)0, (LPARAM)(LPSTR)szNone);
nKeys = (int)(LONG)SendMessage(hCombo, CB_GETCOUNT, (WPARAM)NULL, (LPARAM)0);
} /* PatchEnumKeys */
/*
* PATCHSIZE
*/
static
VOID PASCAL PatchSize(HWND hDlg, BOOL fMaximize)
{
HWND hBanana;
RECT rcBanana;
RECT rcOK,
rcWnd;
LONG lDBU;
UINT xBU,
yBU;
int xButton,
xCenter,
yTopMar,
yBotMar,
yLeftOver,
yBox,
yMiniBotMar;
lDBU = GetDialogBaseUnits();
xBU = LOWORD(lDBU);
yBU = HIWORD(lDBU);
// get the rectangle of the OK button
GetClientRect(GetDlgItem(hWnd, IDOK), &rcOK);
// get x-extent of button
xButton = rcOK.right - rcOK.left;
// top margin is 4 characters
yTopMar = (32 * yBU) / 8 - 6; // cookie land
// bottom margin is 2 * minimum bottom margin dialog units +
// height of button in pixels
yBotMar = (VERTMARGIN * 2 * yBU) / 8 + rcOK.bottom - rcOK.top;
if (fMaximize) {
// maximize the patch box
SetWindowPos(hWnd, NULL, 0L, 0L,
rcBox.right - rcBox.left +
(2 * HORZMARGIN * xBU) / 4 +
GetSystemMetrics(SM_CXVSCROLL) +
(GetSystemMetrics(SM_CXDLGFRAME) + 1) * 2,
(DEF_PATCH_ROWS * 10 * yBU) / 8 +
yTopMar + yBotMar +
GetSystemMetrics(SM_CYCAPTION) +
GetSystemMetrics(SM_CYDLGFRAME) * 2,
SWP_NOZORDER | SWP_NOMOVE);
}
// get the x and y extents of the client rectangle
GetClientRect(hWnd, &rcWnd);
xClient = rcWnd.right - rcWnd.left;
yClient = rcWnd.bottom - rcWnd.top;
// yChar is the height of one row in pixels - 1
yChar = (10 * yBU) / 8 - 1;
// xChar is the average width of a character
xChar = xBU;
// yBox is the room we actually have to display patchmap rows
yBox = yClient - yTopMar - yBotMar;
// nLines is the number of setup rows we can display
nLines = min(16, yBox / yChar);
// yLeftOver is how many pixels are left over
yLeftOver = yBox - nLines * yChar;
// add half the leftovers to the top margin
yTopMar += yLeftOver / 2;
// rcBox is the box of rows and columns inside the client area
SetRect(
&rcBox,
rcBox.left,
yTopMar,
rcBox.right,
yTopMar + nLines * yChar);
// xCenter is used to center the OK and CANCEL buttons horizontally
xCenter = (rcBox.right - rcBox.left - xButton * 3) / 4;
// yMiniBotMar is the spacing above and below the button
yMiniBotMar = (VERTMARGIN * yBU) / 8 + yLeftOver / 4;
SetWindowPos(
GetDlgItem(hWnd, IDOK),
NULL,
rcBox.left + xCenter,
rcBox.bottom + yMiniBotMar,
0L,
0L,
SWP_NOSIZE | SWP_NOZORDER);
SetWindowPos(
GetDlgItem(hWnd, IDCANCEL),
NULL,
rcBox.left + xButton + xCenter * 2,
rcBox.bottom + yMiniBotMar,
0L,
0L,
SWP_NOSIZE | SWP_NOZORDER);
SetWindowPos(
GetDlgItem(hWnd, IDH_DLG_MIDI_PATCHEDIT),
NULL,
rcBox.left + xButton * 2 + xCenter * 3,
rcBox.bottom + yMiniBotMar,
0L,
0L,
SWP_NOSIZE | SWP_NOZORDER);
// get the banana button
hBanana = GetDlgItem(hWnd, ID_PATCHBASED);
// get the rectangle of the banana button
GetClientRect(hBanana, &rcBanana);
// set the banana position
SetWindowPos(
hBanana,
NULL,
rcBox.left + (rcBox.right - rcBox.left - rcBanana.right) / 2,
(6 * yBU) / 8,
0L,
0L,
SWP_NOSIZE | SWP_NOZORDER);
SetWindowPos(
hScroll,
NULL,
rcBox.right,
rcBox.top,
GetSystemMetrics(SM_CXVSCROLL),
rcBox.bottom - rcBox.top + 1,
SWP_NOZORDER);
iVertMax = max(0, MIDIPATCHSIZE - nLines);
iVertPos = min(iVertMax, iVertPos);
SetScrollRange(hScroll, SB_CTL, 0, iVertMax, FALSE);
SetScrollPos(hScroll, SB_CTL, iVertPos, TRUE);
if (iCurPos >= 0 && iCurPos < nLines)
PatchSetFocus(hDlg, PSF_SHOWIFHIDDEN, 1);
else
PatchActiveLine(PAL_HIDE, SWP_NOREDRAW);
} /* PatchSize */
/*
* PATCHPAINT
*/
static
VOID PASCAL PatchPaint(VOID)
{
HPEN hPen = 0;
PATCHMAP FAR* lpPatch;
PAINTSTRUCT ps;
int i,
iVert,
iLeft,
nBegin,
nEnd,
iTop,
iBottom;
BOOL fSelected = FALSE;
char szBuf [50];
BeginPaint(hWnd, &ps);
if (!ps.rcPaint.bottom)
goto DonePainting;
hPen = SelectObject(ps.hdc, GetStockObject(BLACK_PEN));
hFont = SelectObject(ps.hdc, hFont);
fSelected = TRUE;
SetTextColor(ps.hdc, GetSysColor(COLOR_WINDOWTEXT));
SetBkMode(ps.hdc, TRANSPARENT);
if (ps.rcPaint.top < rcBox.top) {
iVert = rcBox.top - yChar + 5;
TextOut(ps.hdc, 11, iVert, aszSourcePatch, lstrlen(aszSourcePatch));
TextOut(ps.hdc, rgxPos [1] + xChar * 2 - 15, iVert,
aszSourcePatchName, lstrlen(aszSourcePatchName));
}
// calculate top and bottom y coordinates of invalid area
iTop = max(ps.rcPaint.top, rcBox.top);
// if top is below the box, forget about painting
if (iTop > rcBox.bottom)
goto DonePainting;
iBottom = min(ps.rcPaint.bottom, rcBox.bottom);
// calculate left x coordinate of invalid area
iLeft = max(ps.rcPaint.left, rcBox.left);
// calculate beginning and ending data row to be repainted
nBegin = max(0, (iTop - rcBox.top) / yChar);
nEnd = min(nLines, (iBottom - rcBox.top) / yChar);
for (i = 0; i < 6; i++) {
MMoveTo(ps.hdc, rgxPos [i], iTop);
LineTo(ps.hdc, rgxPos [i], iBottom + 1);
}
// vertical position of first line we have to draw
iVert = rcBox.top + nBegin * yChar;
// lock the map
lpPatch = (PATCHMAP FAR*)GlobalLock(hPatchMap);
for (i = nBegin; i <= nEnd; i++, iVert += yChar) {
MMoveTo(ps.hdc, iLeft, iVert);
LineTo(ps.hdc, min(ps.rcPaint.right, rcBox.right), iVert);
if (i == nLines)
break;
if (iLeft < rgxPos [1]) {
wsprintf(szBuf, aszPatchNumFormat, iVertPos + iPatchBase + i);
TextOut(ps.hdc, rgxPos [0] + xChar, iVert + 2,
szBuf, 3);
}
if (iLeft < rgxPos [2]) {
if (!LoadString(hLibInst, IDS_PATCHMAP_BASE +
iVertPos + i + 1, szBuf, sizeof(szBuf)))
LoadString(hLibInst, IDS_RESERVED, szBuf, sizeof(szBuf));
TextOut(ps.hdc, rgxPos [1] + 2, iVert + 2,
szBuf, lstrlen(szBuf));
}
if (i == iCurPos)
continue;
if (iLeft < rgxPos [3]) {
wsprintf(szBuf, aszPatchNumFormat, lpPatch->keymaps[iVertPos + i].bDestination + iPatchBase);
TextOut(ps.hdc, rgxPos [2] + xChar * 2, iVert + 2,
szBuf, 3);
}
if (iLeft < rgxPos [4]) {
wsprintf(szBuf, aszPatchNumFormat, lpPatch->keymaps[iVertPos + i].bVolume);
TextOut(ps.hdc, rgxPos [3] + xChar * 2, iVert + 2,
szBuf, 3);
}
if (iLeft < rgxPos [5])
TextOut(ps.hdc, rgxPos [4] + 2, iVert + 2, lpPatch->keymaps[iVertPos + i].aszKeyMapName,
lstrlen(lpPatch->keymaps[iVertPos + i].aszKeyMapName));
}
GlobalUnlock(hPatchMap);
DonePainting:
if (fSelected) {
hFont = SelectObject(ps.hdc, hFont);
hPen = SelectObject(ps.hdc, hPen);
}
EndPaint(hWnd, &ps);
} /* PatchPaint */
/*
* PATCHARROWSCROLL
*
* Interpret a scroll message for the arrow control.
*/
static
VOID PASCAL PatchArrowScroll( WPARAM wParam, // scroll code only (even on 32 bit)
LPARAM lParam ) // (hwnd,posn) (16 bit), hwnd (32 bit)
// posn not actually used.
{
PATCHMAP FAR* lpPatch;
UINT uId;
BYTE bPatch,
bMax,
bMin;
lpPatch = (PATCHMAP FAR*)GlobalLock(hPatchMap);
#if defined(WIN16)
if ((HWND)HIWORD(lParam) == hArrow) {
#else
if ((HWND)lParam == hArrow) {
#endif
uId = ID_PATCHNUMEDIT;
bPatch = lpPatch->keymaps[iVertPos + iCurPos].bDestination + (BYTE)iPatchBase;
bMax = (BYTE)(127 + iPatchBase); // MMAP_MAXPATCHES
bMin = (BYTE)iPatchBase;
}
else {
uId = ID_PATCHVOLEDIT;
bPatch = lpPatch->keymaps[iVertPos + iCurPos].bVolume;
bMax = 200; // MMAP_MAXVOLUME
bMin = 0;
}
GlobalUnlock(hPatchMap);
switch (wParam) {
case SB_LINEDOWN :
if (bPatch-- == bMin)
bPatch = bMax;
break;
case SB_LINEUP :
if (bPatch++ == bMax)
bPatch = bMin;
break;
default:
break;
}
SetDlgItemInt(hWnd, uId, bPatch, FALSE);
} /* PatchArrowScroll */
/*
* PATCHWINDOWSCROLL
*/
static
VOID PASCAL PatchWindowScroll( HWND hDlg,
UINT wParam,
int iPos )
{
HDC hDC;
RECT rc;
int iVertInc;
BOOL fWillBeVisible; // will it be visible after scroll?
switch (wParam) {
case SB_LINEUP :
iVertInc = -1;
break;
case SB_LINEDOWN :
iVertInc = 1;
break;
case SB_PAGEUP :
iVertInc = min(-1, -nLines);
break;
case SB_PAGEDOWN :
iVertInc = max(1, nLines);
break;
case SB_THUMBTRACK :
case SB_THUMBPOSITION :
iVertInc = iPos - iVertPos;
break;
default :
iVertInc = 0;
}
iVertInc = max(-iVertPos, min(iVertInc, iVertMax - iVertPos));
if (iVertInc != 0)
{
iVertPos += iVertInc;
iCurPos -= iVertInc;
if (iCurPos < 0 || iCurPos >= nLines) {
SetFocus(NULL);
fWillBeVisible = FALSE;
}
else
fWillBeVisible = TRUE;
// Scroll to the correct position
SetScrollPos(hScroll, SB_CTL, iVertPos, TRUE);
hDC = GetDC(hWnd);
ScrollDC(hDC, 0L, -yChar * iVertInc, &rcBox, &rcBox, NULL, &rc);
ReleaseDC(hWnd, hDC);
if (!fHidden)
PatchActiveLine(PAL_HIDE, SWP_NOREDRAW);
if (fWillBeVisible) {
PatchSetFocus(hDlg, 0L, 0L);
PatchActiveLine(PAL_SHOW, SWP_NOREDRAW);
}
InvalidateRect(hWnd, &rc, TRUE);
UpdateWindow(hWnd);
}
} /* PatchWindowScroll */
/*
* PatchEditMsg
*
* This function deals with EN_UPDATE and EN_ACTIVATE messages sent
* to the patch number and volume percent edit controls through the
* WM_COMMAND message.
*/
static
VOID PASCAL PatchEditMsg( UINT id, WORD NotifCode )
{
PATCHMAP FAR* lpPatch;
UINT
uVal, // value of control
uMin, // min value allowed
uMax; // max value allowed
BOOL bTranslate;
if (NotifCode != EN_UPDATE && NotifCode != EN_ACTIVATE)
return;
lpPatch = (PATCHMAP FAR*)GlobalLock(hPatchMap);
switch (NotifCode) {
case EN_UPDATE :
if (id == ID_PATCHNUMEDIT) {
uMax = 127 + iPatchBase;// MMAP_MAXPATCHES
uMin = iPatchBase;
}
else {
uMax = 200; // MMAP_MAXVOLUME
uMin = 0;
}
uVal = (UINT)GetDlgItemInt(hWnd, id, &bTranslate, TRUE);
if ((int)uVal < (int)uMin) {
uVal = uMin;
SetDlgItemInt(hWnd, id, uVal, FALSE);
} else if (uVal > uMax) {
uVal = uMax;
SetDlgItemInt(hWnd, id, uVal, FALSE);
} else {
if (id == ID_PATCHNUMEDIT) {
uVal -= iPatchBase;
if (uVal != lpPatch->keymaps[iVertPos + iCurPos].bDestination) {
lpPatch->keymaps[iVertPos + iCurPos].bDestination = (BYTE)uVal;
Modify(TRUE);
}
} else if (uVal != lpPatch->keymaps[iVertPos + iCurPos].bVolume) {
lpPatch->keymaps[iVertPos + iCurPos].bVolume = (BYTE)uVal;
Modify(TRUE);
}
}
break;
case EN_ACTIVATE :
if (id == ID_PATCHNUMEDIT)
SetDlgItemInt(hWnd, id, lpPatch->keymaps[iVertPos + iCurPos].bDestination + iPatchBase, FALSE);
else
SetDlgItemInt(hWnd, id, lpPatch->keymaps[iVertPos + iCurPos].bVolume, FALSE);
break;
default :
break;
}
GlobalUnlock(hPatchMap);
} /* PatchEditMsg */
/*
* PatchComboMsg
*
* This function deals with the CBN_ACTIVATE and CBN_SELCHANGE messages sent
* to the keymap name combo box through the WM_COMMAND message.
*/
static
VOID PASCAL PatchComboMsg(HWND hDlg, WORD NotifCode)
{
PATCHMAP FAR* lpPatch;
char szBuf [MMAP_MAXNAME];
if (NotifCode != CBN_ACTIVATE && NotifCode != CBN_SELCHANGE)
return;
lpPatch = (PATCHMAP FAR*)GlobalLock(hPatchMap);
switch (NotifCode) {
case CBN_ACTIVATE :
SendMessage(hCombo, CB_SELECTSTRING, (WPARAM)-1, (LPARAM)(lpPatch->keymaps[iVertPos + iCurPos].aszKeyMapName));
break;
case CBN_SELCHANGE:
GetWindowText(hCombo, szBuf, MMAP_MAXNAME);
if (!lstrcmpi(szBuf, lpPatch->keymaps[iVertPos + iCurPos].aszKeyMapName))
break;
lstrcpy(lpPatch->keymaps[iVertPos + iCurPos].aszKeyMapName, szBuf);
Modify(TRUE);
break;
default :
break;
}
GlobalUnlock(hPatchMap);
} /* PatchComboMsg */
/*
* PATCHBUTTONDOWN
*/
static
VOID PASCAL PatchButtonDown(HWND hDlg, LONG lParam)
{
int x = LOWORD(lParam),
y = HIWORD(lParam),
iPos;
UINT uFlags;
if (x < rcBox.left || x > rcBox.right)
return;
if (y < rcBox.top || y > rcBox.bottom)
return;
iPos = min(nLines - 1, (y - rcBox.top) / yChar);
if (iPos == iCurPos)
return;
if (iCurPos >= 0 && iCurPos < nLines) {
uFlags = PSF_REDRAW;
SendMessage(hCombo, CB_SHOWDROPDOWN, (WPARAM)FALSE, (LPARAM)0);
UpdateWindow(hWnd);
}
else
uFlags = PSF_SHOWIFHIDDEN;
iCurPos = iPos;
PatchSetFocus(hDlg, uFlags, x);
} /* PatchButtonDown */
/*
* PATCHSETFOCUS
*/
static
VOID PASCAL PatchSetFocus( HWND hDlg,
UINT uFlags,
int xPos )
{
RECT rc;
int yPos = rcBox.top + iCurPos * yChar;
PatchEditMsg(ID_PATCHNUMEDIT, EN_ACTIVATE);
PatchEditMsg(ID_PATCHVOLEDIT, EN_ACTIVATE);
PatchComboMsg(hDlg, CBN_ACTIVATE);
GetWindowRect(hEdit, &rc);
SetWindowPos(hEdit, NULL, rgxPos [2], yPos, 0L, 0L,
SWP_NOZORDER | SWP_NOSIZE);
SetWindowPos(hArrow, NULL, rgxPos [2] + xArrowOffset, yPos, 0L,
0L, SWP_NOZORDER | SWP_NOSIZE);
SetWindowPos(hVolEdit, NULL, rgxPos [3], yPos, 0L, 0L,
SWP_NOZORDER | SWP_NOSIZE);
SetWindowPos(hVolArrow, NULL, rgxPos [3] + xVolArrowOffset, yPos,
0L, 0L, SWP_NOZORDER | SWP_NOSIZE);
SetWindowPos(hCombo, NULL, rgxPos [4], yPos, 0L, 0L,
SWP_NOZORDER | SWP_NOSIZE);
if (fHidden && uFlags & PSF_SHOWIFHIDDEN) {
PatchActiveLine(PAL_SHOW, 0L);
UpdateWindow(hEdit);
UpdateWindow(hArrow);
UpdateWindow(hVolEdit);
UpdateWindow(hVolArrow);
UpdateWindow(hCombo);
}
if (uFlags & PSF_REDRAW && rc.right) {
ScreenToClient(hWnd, (LPPOINT)&rc);
ScreenToClient(hWnd, (LPPOINT)&rc + 1);
rc.right = rcBox.right + 1;
InvalidateRect(hWnd, &rc, FALSE);
UpdateWindow(hWnd);
}
if (xPos < rgxPos [3]) {
if (!fHidden)
SetFocus(hEdit);
#if defined(WIN16)
SendMessage(hEdit, EM_SETSEL, (WPARAM)NULL, MAKELPARAM(0, 32767));
#else
SendMessage(hEdit, EM_SETSEL, (WPARAM)0, (LPARAM)-1);
#endif //WIN16
}
else if (xPos < rgxPos [4]) {
if (!fHidden)
SetFocus(hVolEdit);
#if defined(WIN16)
SendMessage(hVolEdit, EM_SETSEL, (WPARAM)NULL, MAKELPARAM(0, 32767));
#else
SendMessage(hVolEdit, EM_SETSEL, (WPARAM)0, (LPARAM)-1);
#endif //WIN16
}
else if (xPos < rgxPos [5] && !fHidden)
SetFocus(hCombo);
} /* PatchSetFocus */
/*
* PATCHACTIVELINE
*/
static
VOID PASCAL PatchActiveLine( UINT uCase,
UINT uFlags )
{
static const UINT uDefFlags = SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER;
switch (uCase) {
case PAL_SHOW :
if (!fHidden)
return;
uFlags |= SWP_SHOWWINDOW;
fHidden = FALSE;
break;
case PAL_HIDE :
if (fHidden)
return;
uFlags |= SWP_HIDEWINDOW;
fHidden = TRUE;
break;
default :
break;
}
uFlags |= uDefFlags;
SetWindowPos(hEdit, NULL, 0L, 0L, 0L, 0L, uFlags);
SetWindowPos(hArrow, NULL, 0L, 0L, 0L, 0L, uFlags);
SetWindowPos(hVolEdit, NULL, 0L, 0L, 0L, 0L, uFlags);
SetWindowPos(hVolArrow, NULL, 0L, 0L, 0L, 0L, uFlags);
SetWindowPos(hCombo, NULL, 0L, 0L, 0L, 0L, uFlags);
if (uCase == PAL_SHOW && !fHidden)
SetFocus(hEdit);
} /* PatchActiveLine */
/*
* PATCHSAVE
*/
static int PASCAL PatchSave(
HWND hDlg,
BOOL bQuery)
{
PATCHMAP FAR* lpPatch;
MMAPERR mmaperr;
int iRet = 0; // a value other than IDCANCEL or IDYES
if (bQuery) {
iRet = QuerySave();
if (iRet != IDYES)
return iRet;
}
lpPatch = (PATCHMAP FAR*)GlobalLock(hPatchMap);
mmaperr = mapWrite(MMAP_PATCH, lpPatch);
GlobalUnlock(hPatchMap);
if (mmaperr != MMAPERR_SUCCESS) {
VShowError(hDlg, mmaperr);
return IDCANCEL;
}
Modify(FALSE);
if (fNew)
fNew = FALSE;
return iRet;
} /* PatchSave */