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#ifndef lint
static char *RCSid = "$Id: wpause.c,v 1.8 1998/03/22 22:35:29 drd Exp $";
#endif
/* GNUPLOT - win/wpause.c */
/*[
* Copyright 1992, 1993, 1998 Russell Lang
*
* Permission to use, copy, and distribute this software and its
* documentation for any purpose with or without fee is hereby granted,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation.
*
* Permission to modify the software is granted, but not the right to
* distribute the complete modified source code. Modifications are to
* be distributed as patches to the released version. Permission to
* distribute binaries produced by compiling modified sources is granted,
* provided you
* 1. distribute the corresponding source modifications from the
* released version in the form of a patch file along with the binaries,
* 2. add special version identification to distinguish your version
* in addition to the base release version number,
* 3. provide your name and address as the primary contact for the
* support of your modified version, and
* 4. retain our contact information in regard to use of the base
* software.
* Permission to distribute the released version of the source code along
* with corresponding source modifications in the form of a patch file is
* granted with same provisions 2 through 4 for binary distributions.
*
* This software is provided "as is" without express or implied warranty
* to the extent permitted by applicable law.
]*/
/*
* AUTHORS
*
* Russell Lang
*
* Send your comments or suggestions to
* info-gnuplot@dartmouth.edu.
* This is a mailing list; to join it send a note to
* majordomo@dartmouth.edu.
* Send bug reports to
* bug-gnuplot@dartmouth.edu.
*/
/* PauseBox() */
/* MessageBox ALWAYS appears in the middle of the screen so instead */
/* we use this PauseBox so we can decide where it is to be placed */
#define STRICT
#include <windows.h>
#include <windowsx.h>
#include <string.h>
#include "wgnuplib.h"
#include "wresourc.h"
#include "wcommon.h"
/* Pause Window */
LRESULT CALLBACK WINEXPORT WndPauseProc(HWND, UINT, WPARAM, LPARAM);
LRESULT CALLBACK WINEXPORT PauseButtonProc(HWND, UINT, WPARAM, LPARAM);
/* Create Pause Class */
/* called from PauseBox the first time a pause window is created */
void
CreatePauseClass(LPPW lppw)
{
WNDCLASS wndclass;
wndclass.style = 0;
wndclass.lpfnWndProc = (WNDPROC)WndPauseProc;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = sizeof(void FAR *);
wndclass.hInstance = lppw->hInstance;
wndclass.hIcon = NULL;
wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
wndclass.hbrBackground = COLOR_BTNFACE+1;
wndclass.lpszMenuName = NULL;
wndclass.lpszClassName = szPauseClass;
RegisterClass(&wndclass);
}
/* PauseBox */
int WDPROC
PauseBox(LPPW lppw)
{
MSG msg;
HDC hdc;
int width, height;
TEXTMETRIC tm;
RECT rect;
if (!lppw->hPrevInstance)
CreatePauseClass(lppw);
GetWindowRect(GetDesktopWindow(), &rect);
if ( (lppw->Origin.x == CW_USEDEFAULT) || (lppw->Origin.x == 0) )
lppw->Origin.x = (rect.right + rect.left) / 2;
if ( (lppw->Origin.y == CW_USEDEFAULT) || (lppw->Origin.y == 0) )
lppw->Origin.y = (rect.bottom + rect.top) / 2;
hdc = GetDC(NULL);
SelectFont(hdc, GetStockFont(SYSTEM_FIXED_FONT));
GetTextMetrics(hdc, &tm);
width = max(24,4+_fstrlen(lppw->Message)) * tm.tmAveCharWidth;
width = min(width, rect.right-rect.left);
height = 28 * (tm.tmHeight + tm.tmExternalLeading) / 4;
ReleaseDC(NULL,hdc);
#ifndef WIN32
lppw->lpfnPauseButtonProc =
#ifdef __DLL__
(WNDPROC)GetProcAddress(hdllInstance, "PauseButtonProc");
#else
(WNDPROC)MakeProcInstance((FARPROC)PauseButtonProc ,hdllInstance);
#endif
#endif
lppw->hWndPause = CreateWindowEx(WS_EX_DLGMODALFRAME,
szPauseClass, lppw->Title,
WS_POPUPWINDOW | WS_CAPTION,
lppw->Origin.x - width/2, lppw->Origin.y - height/2,
width, height,
lppw->hWndParent, NULL, lppw->hInstance, lppw);
ShowWindow(lppw->hWndPause, SW_SHOWNORMAL);
BringWindowToTop(lppw->hWndPause);
UpdateWindow(lppw->hWndPause);
lppw->bPause = TRUE;
lppw->bPauseCancel = IDCANCEL;
while (lppw->bPause)
while (PeekMessage(&msg, 0, 0, 0, PM_REMOVE)) {
/* wait until window closed */
TranslateMessage(&msg);
DispatchMessage(&msg);
}
DestroyWindow(lppw->hWndPause);
#ifndef WIN32
#ifndef __DLL__
FreeProcInstance((FARPROC)lppw->lpfnPauseButtonProc);
#endif
#endif
return(lppw->bPauseCancel);
}
LRESULT CALLBACK WINEXPORT
WndPauseProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
HDC hdc;
PAINTSTRUCT ps;
RECT rect;
TEXTMETRIC tm;
LPPW lppw;
int cxChar, cyChar, middle;
lppw = (LPPW)GetWindowLong(hwnd, 0);
switch(message) {
case WM_KEYDOWN:
if (wParam == VK_RETURN) {
if (lppw->bDefOK)
SendMessage(hwnd, WM_COMMAND, IDOK, 0L);
else
SendMessage(hwnd, WM_COMMAND, IDCANCEL, 0L);
}
return(0);
case WM_COMMAND:
switch(LOWORD(wParam)) {
case IDCANCEL:
case IDOK:
lppw->bPauseCancel = LOWORD(wParam);
lppw->bPause = FALSE;
break;
}
return(0);
case WM_SETFOCUS:
SetFocus(lppw->bDefOK ? lppw->hOK : lppw->hCancel);
return(0);
case WM_PAINT:
{
hdc = BeginPaint(hwnd, &ps);
SelectFont(hdc, GetStockFont(SYSTEM_FIXED_FONT));
SetTextAlign(hdc, TA_CENTER);
GetClientRect(hwnd, &rect);
SetBkMode(hdc,TRANSPARENT);
TextOut(hdc,(rect.right+rect.left)/2, (rect.bottom+rect.top)/6,
lppw->Message,_fstrlen(lppw->Message));
EndPaint(hwnd, &ps);
return 0;
}
case WM_CREATE:
{
HMENU sysmenu = GetSystemMenu(hwnd, FALSE);
lppw = ((CREATESTRUCT FAR *)lParam)->lpCreateParams;
SetWindowLong(hwnd, 0, (LONG)lppw);
lppw->hWndPause = hwnd;
hdc = GetDC(hwnd);
SelectFont(hdc, GetStockFont(SYSTEM_FIXED_FONT));
GetTextMetrics(hdc, &tm);
cxChar = tm.tmAveCharWidth;
cyChar = tm.tmHeight + tm.tmExternalLeading;
ReleaseDC(hwnd,hdc);
middle = ((LPCREATESTRUCT) lParam)->cx / 2;
lppw->hOK = CreateWindow((LPSTR)"button", (LPSTR)"OK",
WS_CHILD | WS_VISIBLE | BS_DEFPUSHBUTTON,
middle - 10*cxChar, 3*cyChar,
8*cxChar, 7*cyChar/4,
hwnd, (HMENU)IDOK,
((LPCREATESTRUCT) lParam)->hInstance, NULL);
lppw->bDefOK = TRUE;
lppw->hCancel = CreateWindow((LPSTR)"button", (LPSTR)"Cancel",
WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
middle + 2*cxChar, 3*cyChar,
8*cxChar, 7*cyChar/4,
hwnd, (HMENU)IDCANCEL,
((LPCREATESTRUCT) lParam)->hInstance, NULL);
lppw->lpfnOK = (WNDPROC) GetWindowLong(lppw->hOK, GWL_WNDPROC);
#ifdef WIN32
SetWindowLong(lppw->hOK, GWL_WNDPROC, (LONG)PauseButtonProc);
#else
SetWindowLong(lppw->hOK, GWL_WNDPROC, (LONG)lppw->lpfnPauseButtonProc);
#endif
lppw->lpfnCancel = (WNDPROC) GetWindowLong(lppw->hCancel, GWL_WNDPROC);
#ifdef WIN32
SetWindowLong(lppw->hCancel, GWL_WNDPROC, (LONG)PauseButtonProc);
#else
SetWindowLong(lppw->hCancel, GWL_WNDPROC, (LONG)lppw->lpfnPauseButtonProc);
#endif
if (GetParent(hwnd))
EnableWindow(GetParent(hwnd),FALSE);
DeleteMenu(sysmenu,SC_RESTORE,MF_BYCOMMAND);
DeleteMenu(sysmenu,SC_SIZE,MF_BYCOMMAND);
DeleteMenu(sysmenu,SC_MINIMIZE,MF_BYCOMMAND);
DeleteMenu(sysmenu,SC_MAXIMIZE,MF_BYCOMMAND);
DeleteMenu(sysmenu,SC_TASKLIST,MF_BYCOMMAND);
DeleteMenu(sysmenu,0,MF_BYCOMMAND); /* a separator */
DeleteMenu(sysmenu,0,MF_BYCOMMAND); /* a separator */
}
return 0;
case WM_DESTROY:
GetWindowRect(hwnd, &rect);
lppw->Origin.x = (rect.right+rect.left)/2;
lppw->Origin.y = (rect.bottom+rect.top)/2;
lppw->bPause = FALSE;
if (GetParent(hwnd))
EnableWindow(GetParent(hwnd),TRUE);
break;
}
return DefWindowProc(hwnd, message, wParam, lParam);
}
LRESULT CALLBACK WINEXPORT
PauseButtonProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
LPPW lppw;
#ifdef WIN32
LONG n = GetWindowLong(hwnd, GWL_ID);
#else
WORD n = GetWindowWord(hwnd, GWW_ID);
#endif
lppw = (LPPW)GetWindowLong(GetParent(hwnd), 0);
switch(message) {
case WM_KEYDOWN:
switch(wParam) {
case VK_TAB:
case VK_BACK:
case VK_LEFT:
case VK_RIGHT:
case VK_UP:
case VK_DOWN:
lppw->bDefOK = !(n == IDOK);
if (lppw->bDefOK) {
SendMessage(lppw->hOK, BM_SETSTYLE, (WPARAM)BS_DEFPUSHBUTTON, (LPARAM)TRUE);
SendMessage(lppw->hCancel, BM_SETSTYLE, (WPARAM)BS_PUSHBUTTON, (LPARAM)TRUE);
SetFocus(lppw->hOK);
}
else {
SendMessage(lppw->hOK, BM_SETSTYLE, (WPARAM)BS_PUSHBUTTON, (LPARAM)TRUE);
SendMessage(lppw->hCancel, BM_SETSTYLE, (WPARAM)BS_DEFPUSHBUTTON, (LPARAM)TRUE);
SetFocus(lppw->hCancel);
}
break;
default:
SendMessage(GetParent(hwnd), message, wParam, lParam);
}
break;
}
return CallWindowProc(((n == IDOK) ? lppw->lpfnOK : lppw->lpfnCancel),
hwnd, message, wParam, lParam);
}
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