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PC World 1998 June
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grafika
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EROICA32
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_SETUP.5
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Group5
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DEMO.C
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1998-01-15
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/*-------------------------- Parallax Standard C_File ----------------------------
C_File : demo.c
Purpose : C API sample program source file. Use for the reference about
writing own C-API based programs.
--------------------------------------------------------------------------------
Copyright (c)1996 Parallax Software , All rights reserved.
------------------------------------------------------------------------------*/
#pragma warning ( disable:4115 ) /* type name definition in parenthesis */
#pragma warning ( disable:4201 ) /* nonstandard extension used: nameless struct/union */
#pragma warning ( disable:4214 ) /* nonstandard extension used: bit field types other than int */
#pragma warning ( disable:4514 ) /* unreferenced inline/local function has been removed */
#include <windows.h>
#include <commdlg.h>
#include <in_api.h>
#include <stdlib.h>
#include <malloc.h>
#include "resource.h"
#ifdef _WIN32
#define EXPORT( ret ) __declspec( dllexport ) ret WINAPI
#define MALLOC(x) malloc(x)
#define FREE(x) free(x)
#define SWALLOW_ARG(x) {if(x);}
#else
#define EXPORT( ret ) ret FAR PASCAL __export
#define MALLOC(x) _fmalloc(x)
#define FREE(x) _ffree(x)
#define SWALLOW_ARG(x) {if(x);}
#endif
/* Function prototypes */
/* window functions */
EXPORT(LRESULT) MainWndProc( HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam );
EXPORT(LRESULT) ExternalWndProc( HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam );
EXPORT(LRESULT) EroicaExtWndProc( HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam );
/* callbacks for notifications */
EXPORT(void) NFY_CloseDocwin( IN_DOCWIN docwinID );
EXPORT(void) NFY_MenuIntercept( IN_DOCWIN docwinID, unsigned menuID );
EXPORT(BOOL) QRY_CloseDocwin( IN_DOCWIN docwinID, BOOL FAR *pCanClose );
/* static functions */
static BOOL _InitApplication( HINSTANCE hInstance );
static BOOL _InitInstance( HINSTANCE hInstance, int nCmdShow );
static void _LogMessage( LPCSTR message );
static void _FileOpen( HWND hWnd, WPARAM mode );
static void _DumpWindows( void );
static void _EroicaVersion( void );
static int _NewLayer( IN_DOCWIN docwinID );
static int _SetTool( IN_DOCWIN docwinID, UINT toolType );
static int _SetToolMenuCheck( HWND hWnd, UINT menuID );
static void _DumpLayer( IN_DOCWIN docwin, IN_PAGE page, int layerNumber, IN_LAYER layer );
static void _DumpPage( IN_DOCWIN docwin, IN_PAGE page );
static void _DumpWindow( IN_DOCWIN docwin );
/* Logging macros */
#define _FMTMSG(fmt,v) { char m[1024]; wsprintf(m,fmt,v); _LogMessage(m); }
#define _FMTMSG2(fmt,v1,v2) { char m[1024]; wsprintf(m,fmt,v1,v2); _LogMessage(m); }
#define _FMTMSG3(fmt,v1,v2,v3) { char m[1024]; wsprintf(m,fmt,v1,v2,v3); _LogMessage(m); }
#define _FMTMSG4(fmt,v1,v2,v3,v4) { char m[1024]; wsprintf(m,fmt,v1,v2,v3,v4); _LogMessage(m); }
#define _FMTMSG5(fmt,v1,v2,v3,v4,v5) { char m[1024]; wsprintf(m,fmt,v1,v2,v3,v4,v5); _LogMessage(m); }
/* Window classes */
#define FRAME_CLASS_NAME "CAPIDemo:Frame"
#define EXTERNAL_CLASS_NAME "CAPIDemo:External"
#define EROICA_EXT_CLASS_NAME "CAPIDemo:EroicaExternal"
/* Application globals */
HINSTANCE hInst;
HWND hFrameWnd;
HWND hLogWnd;
HMENU mainMenu;
/* Functions for advise callbacks */
FARPROC lpfnNotifyMenuIntercept;
FARPROC lpfnNotifyCloseDocwin;
FARPROC lpfnQueryCloseDocwin;
/* main program entry point */
int PASCAL WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow )
{
MSG msg;
int error;
/* dummy parameter check */
SWALLOW_ARG( lpCmdLine );
/* hPrevInstace has no effect in WIN32 */
#ifdef _WIN32
SWALLOW_ARG( hPrevInstance );
#else
if ( hPrevInstance ) {
return( FALSE );
}
#endif
/* Initialize application startup */
hInst = hInstance;
if (!_InitApplication( hInstance )) {
return( FALSE );
}
hFrameWnd = NULL;
hLogWnd = NULL;
lpfnNotifyCloseDocwin = NULL;
lpfnNotifyMenuIntercept = NULL;
lpfnQueryCloseDocwin = NULL;
/* Start API */
error = IN_Startup( hInstance );
if ( error < 0 ) {
MessageBox( NULL, "Couldn't connect Eroiica. Check if Eroiica is running and not busy.", "Application Error", MB_ICONSTOP | MB_OK );
return( FALSE );
}
/* Initialize specific instance startup */
if (!_InitInstance( hInstance, nCmdShow )) {
MessageBox( NULL, "Couldn't initialize instance", "Application Error", MB_ICONSTOP | MB_OK );
return( FALSE );
}
/* Message loop */
while (GetMessage( &msg, (HWND)NULL, (UINT)NULL, (UINT)NULL )) {
TranslateMessage( &msg );
DispatchMessage( &msg );
}
/* Unregister any notifies */
if ((error = IN_UnregisterNotify( IN_NFY_MENU_INTERCEPT, 0, (ULONG) lpfnNotifyMenuIntercept )) != IN_ERR_SUCCESS)
_FMTMSG( "Can't unregister menu intercept notify for docwin %lu", 0 );
/* Release resources */
if (lpfnNotifyCloseDocwin)
FreeProcInstance( lpfnNotifyCloseDocwin );
if (lpfnQueryCloseDocwin)
FreeProcInstance( lpfnQueryCloseDocwin );
if (lpfnNotifyMenuIntercept)
FreeProcInstance( lpfnNotifyMenuIntercept );
return( msg.wParam );
}
/* Initialize the application */
BOOL _InitApplication( HINSTANCE hInstance )
{
WNDCLASS wc;
/* Frame window */
wc.style = (UINT)NULL;
wc.lpfnWndProc = (WNDPROC)MainWndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon( hInstance, MAKEINTRESOURCE( IDI_APP_ICON ) );
wc.hCursor = LoadCursor( NULL, IDC_ARROW );
wc.hbrBackground = GetStockObject( WHITE_BRUSH );
wc.lpszMenuName = "CAPIDemoMainMenu";
wc.lpszClassName = FRAME_CLASS_NAME;
if (!RegisterClass( &wc ))
return( FALSE );
/* External window controlled by Eroica */
wc.style = (UINT)NULL;
wc.lpfnWndProc = (WNDPROC) EroicaExtWndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 4;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon( hInstance, MAKEINTRESOURCE( IDI_APP_ICON ) );
wc.hCursor = LoadCursor( NULL, IDC_ARROW );
wc.hbrBackground = GetStockObject( WHITE_BRUSH );
wc.lpszMenuName = "CAPIDemoIntControlMenu";
wc.lpszClassName = EROICA_EXT_CLASS_NAME;
if (!RegisterClass( &wc ))
return( FALSE );
/* External window controlled by us */
wc.style = (UINT)NULL;
wc.lpfnWndProc = (WNDPROC) ExternalWndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 4;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon( hInstance, MAKEINTRESOURCE( IDI_APP_ICON ) );
wc.hCursor = LoadCursor( NULL, IDC_ARROW );
wc.hbrBackground = GetStockObject( WHITE_BRUSH );
wc.lpszMenuName = "CAPIDemoExtControlMenu";
wc.lpszClassName = EXTERNAL_CLASS_NAME;
if (!RegisterClass( &wc ))
return( FALSE );
return( TRUE );
}
/* Initialize the current instance of the application */
static BOOL _InitInstance( HINSTANCE hInstance, int nCmdShow )
{
RECT rect;
int error;
/* Create the frame window */
hFrameWnd = CreateWindow( FRAME_CLASS_NAME, "Eroica C-API Demo",
WS_OVERLAPPEDWINDOW | WS_BORDER | WS_SYSMENU,
0, 0, 600, 400,
NULL, NULL, hInstance, NULL );
if (!hFrameWnd)
return( FALSE );
/* Make the window visible */
ShowWindow( hFrameWnd, nCmdShow );
UpdateWindow( hFrameWnd );
/* Get the mainMenu handle */
mainMenu = GetMenu( hFrameWnd );
/* Tell Eroica to send notifications to us */
IN_SetAdviseHWnd( hFrameWnd );
/* Locate advise functions */
lpfnNotifyCloseDocwin = MakeProcInstance( (FARPROC) NFY_CloseDocwin, hInstance );
lpfnNotifyMenuIntercept = MakeProcInstance( (FARPROC) NFY_MenuIntercept, hInstance );
lpfnQueryCloseDocwin = MakeProcInstance( (FARPROC) QRY_CloseDocwin, hInstance );
/* Set up a notify on menu intercepts */
if ((error = IN_RegisterNotify( IN_NFY_MENU_INTERCEPT, 0, (ULONG) lpfnNotifyMenuIntercept )) != IN_ERR_SUCCESS)
_FMTMSG( "Can't register menu intercept notify for docwin %lu", 0 );
/* Tell Eroica which menuIDs to intercept */
if ((error = IN_InterceptMenuAction( IN_CMD_FILE_SAVE, TRUE )) != IN_ERR_SUCCESS)
_LogMessage ( "Can't register menu intercept for FILE | SAVE " );
if ((error = IN_InterceptMenuAction( IN_CMD_FILE_SAVEAS, TRUE )) != IN_ERR_SUCCESS)
_LogMessage ( "Can't register menu intercept for FILE | SAVE AS" );
/* Open up the log window */
GetClientRect( hFrameWnd, &rect );
hLogWnd = CreateWindow( "listbox", NULL,
WS_CHILDWINDOW | WS_VISIBLE | WS_BORDER | WS_VSCROLL | LBS_NOINTEGRALHEIGHT,
0, 0, rect.right - rect.left, rect.bottom - rect.top,
hFrameWnd, NULL, hInstance, NULL );
return( TRUE );
}
/* Frame window message handler */
EXPORT(LRESULT) MainWndProc( HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam )
{
LRESULT result;
/* Give Eroica a crack at the message */
if (IN_MessageHook( hWnd, message, wParam, lParam, &result ))
return( result );
switch (message) {
case WM_COMMAND:
switch (wParam) {
case IDM_FILE_OPEN_INT_EROICA:
case IDM_FILE_OPEN_EXT_LOCAL:
case IDM_FILE_OPEN_EXT_EROICA:
_FileOpen( hWnd, wParam );
return( 1 );
case IDM_FILE_DUMP_WINDOWS:
_DumpWindows();
return( 1 );
case IDM_EDIT_CLEAR:
SendMessage( hLogWnd, LB_RESETCONTENT, 0, 0 );
return( 1 );
case IDM_MARKUP_NEWLAYER:
_NewLayer( 0 );
return( 1 );
case IDM_MARKUP_TOOL_CIRCLE:
if (_SetTool( 0, IN_TOOL_CIRCLE ))
_SetToolMenuCheck( hWnd, IDM_MARKUP_TOOL_CIRCLE );
return( 1 );
case IDM_MARKUP_TOOL_LINE:
if (_SetTool( 0, IN_TOOL_LINE ))
_SetToolMenuCheck( hWnd, IDM_MARKUP_TOOL_LINE );
return( 1 );
case IDM_MARKUP_TOOL_BOX:
if (_SetTool( 0, IN_TOOL_BOX ))
_SetToolMenuCheck( hWnd, IDM_MARKUP_TOOL_BOX );
return( 1 );
case IDM_MARKUP_TOOL_TEXT:
if (_SetTool( 0, IN_TOOL_TEXT ))
_SetToolMenuCheck( hWnd, IDM_MARKUP_TOOL_TEXT );
return( 1 );
case IDM_HELP_VERSION:
_EroicaVersion();
return( 1 );
case IDM_EXIT:
PostMessage( hWnd, WM_CLOSE, 0, 0L );
return( 1 );
}
break;
case WM_DESTROY:
IN_Shutdown();
PostQuitMessage( 0 );
return( 0 );
}
return( DefWindowProc( hWnd, message, wParam, lParam ) );
}
/* Add a string to the window output */
static void _LogMessage( LPCSTR message )
{
LONG index;
index = (LONG)SendMessage( hLogWnd, LB_ADDSTRING, 0, (LONG)(LPSTR) message );
SendMessage( hLogWnd, LB_SETCURSEL, (WPARAM) index, 0 );
SendMessage( hLogWnd, LB_SETCURSEL, (WPARAM) -1, 0 );
}
/* File|Open: Open a file in Eroica and then attach two advises */
/* to the opened document. We want to know when the user requests to */
/* close the document, as well as when it actually gets closed */
static void _FileOpen( HWND hWnd, WPARAM mode )
{
OPENFILENAME ofn;
char filename[512];
char title[81];
int error;
SHORT docwinCount;
IN_DOCWIN docwins[1];
filename[0] = '\0';
/* Common file-open dialog initialization */
ofn.lStructSize = sizeof( ofn );
ofn.hwndOwner = hWnd;
ofn.hInstance = NULL;
ofn.lpstrFilter = "All Files\0*.*\0";
ofn.lpstrCustomFilter = NULL;
ofn.nMaxCustFilter = 0;
ofn.nFilterIndex = 0;
ofn.lpstrFile = filename;
ofn.nMaxFile = sizeof( filename ) - 1;
ofn.lpstrFileTitle = title;
ofn.nMaxFileTitle = sizeof( title ) - 1;
ofn.lpstrInitialDir = NULL;
ofn.lpstrTitle = "Open File In Eroica";
ofn.Flags = OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST;
ofn.lpstrDefExt = NULL;
ofn.lCustData = (DWORD)NULL;
ofn.lpfnHook = NULL;
ofn.lpTemplateName = NULL;
if (GetOpenFileName( &ofn )) {
switch (mode) {
case IDM_FILE_OPEN_INT_EROICA:
error = IN_OpenDocumentWindow( IN_LOCN_DISK, filename, 1, &docwinCount, docwins );
/* Set up advises */
if (error == IN_ERR_SUCCESS) {
_FMTMSG2( "%s opened in docwin %lu", (LPCSTR) filename, docwins[0] );
/* Tell us when it closes */
error = IN_RegisterNotify( IN_NFY_CLOSE_DOCWIN, docwins[0], (ULONG) lpfnNotifyCloseDocwin );
if (error != IN_ERR_SUCCESS)
_FMTMSG( "Can't register close notify for docwin %lu", docwins[0] );
/* Ask us if we should close it */
error = IN_RegisterQuery( IN_QRY_CLOSE_DOCWIN, docwins[0], (ULONG) lpfnQueryCloseDocwin );
if (error != IN_ERR_SUCCESS)
_FMTMSG( "Can't register close query for docwin %lu", docwins[0] );
} else {
_FMTMSG2( "Error code %d when trying to open %s", error, (LPCSTR) filename );
}
break;
case IDM_FILE_OPEN_EXT_LOCAL:
{
HWND hDocWnd;
if ((hDocWnd = CreateWindow( EXTERNAL_CLASS_NAME, "Locally Controlled Document", WS_OVERLAPPEDWINDOW | WS_VISIBLE,
CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
hWnd, NULL, hInst, NULL)) != NULL) {
SetWindowLong( hDocWnd, 0, 0 );
if ((error = IN_RegisterExternalDocumentWindow( hDocWnd, docwins )) == IN_ERR_SUCCESS) {
SetWindowLong( hDocWnd, 0, docwins[0] );
if ((error = IN_OpenExternalDocumentWindow( docwins[0], IN_LOCN_DISK, filename, "External Document Window", IN_FLAG_SCROLLBAR_BOTH )) == IN_ERR_SUCCESS) {
docwinCount = 1;
InvalidateRect( hDocWnd, NULL, FALSE );
UpdateWindow( hDocWnd );
} else
PostMessage( hDocWnd, WM_CLOSE, 0, 0 );
} else {
PostMessage( hDocWnd, WM_CLOSE, 0, 0 );
}
} else {
#ifdef _WIN32
error = GetLastError();
#else
error = 126;
#endif
_FMTMSG( "Windows Error %d, cannot redirect window to Eroiica (WIN32 barrier).", error );
}
break;
}
case IDM_FILE_OPEN_EXT_EROICA:
{
HWND hDocWnd;
if ((hDocWnd = CreateWindow( EROICA_EXT_CLASS_NAME, "Eroica Controlled Document", WS_OVERLAPPEDWINDOW | WS_VISIBLE,
CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
hWnd, NULL, hInst, NULL)) != NULL) {
SetWindowLong( hDocWnd, 0, 0 );
if ((error = IN_RegisterExternalDocumentWindow( hDocWnd, docwins )) == IN_ERR_SUCCESS) {
if ((error = IN_OpenExternalDocumentWindow( docwins[0], IN_LOCN_DISK, filename, "External Document Window", IN_FLAG_SCROLLBAR_BOTH )) == IN_ERR_SUCCESS) {
IN_HandleExternalDocumentWindow( docwins[0], IN_EXTMODE_ALL );
SetWindowLong( hDocWnd, 0, docwins[0] );
docwinCount = 1;
InvalidateRect( hDocWnd, NULL, FALSE );
UpdateWindow( hDocWnd );
} else
PostMessage( hDocWnd, WM_CLOSE, 0, 0 );
} else
PostMessage( hDocWnd, WM_CLOSE, 0, 0 );
} else {
#ifdef _WIN32
error = GetLastError();
#else
error = 126;
#endif
_FMTMSG( "Error %d, cannot create controlled window.", error );
}
break;
}
}
}
}
/* Dump some information we know about the layer */
static void _DumpLayer( IN_DOCWIN docwin, IN_PAGE page, int layerNumber, IN_LAYER layer )
{
char title[100];
SWALLOW_ARG( docwin );
SWALLOW_ARG( page );
if (IN_GetTitle( layer, 100, title ) == IN_ERR_SUCCESS)
_FMTMSG3( " Layer %u: '%s', ID=%lu", layerNumber, (LPCSTR) title, layer );
}
/* Create a new layer on the active document window */
static int _NewLayer( IN_DOCWIN docwinID )
{
IN_PAGE activePage;
IN_LAYER NewLayerID;
char errorBuffer[64];
int error;
/* Get the active page for the active document window */
if ((error = IN_GetPageID( docwinID, 0, &activePage )) != IN_ERR_SUCCESS) {
MessageBox( hFrameWnd, "Unable to get the pageID for the active document window", "Error Message", MB_APPLMODAL );
return( FALSE );
}
/* Add a new layer to the active page */
if ((error = IN_NewLayer( activePage, IN_LAYER_FULLEDIT, &NewLayerID )) != IN_ERR_SUCCESS) {
wsprintf( errorBuffer, "Unable to add a layer to page (PAGEID:%lu)", activePage );
MessageBox( hFrameWnd, (LPCSTR)errorBuffer, (LPCSTR)"Error Message", MB_APPLMODAL );
return( FALSE );
}
return( TRUE );
}
/* Dump the layers on this page as well as some information we know */
/* about the page */
static void _DumpPage( IN_DOCWIN docwin, IN_PAGE page )
{
SHORT numberLayers;
SHORT pageNumber;
char title[100];
int error;
SHORT tmp;
IN_LAYER_PTR layers;
IN_PAGE activePage;
/* Get some information about this page */
IN_GetPageNumber( page, &pageNumber );
IN_GetTitle( page, 100, title );
IN_GetNumberLayers( docwin, page, &numberLayers );
IN_GetPageID( docwin, 0, &activePage );
_FMTMSG5( " Page %u: '%s', ID=%lu,%s Layer count: %u", pageNumber, (LPCSTR) title, page, activePage == page ? (LPCSTR) " Active," : (LPCSTR) "", numberLayers );
if (numberLayers) {
if ((layers = (IN_LAYER_PTR) MALLOC( numberLayers * sizeof( IN_LAYER ) )) != NULL) {
error = IN_GetLayerIDs( page, numberLayers, &tmp, layers );
if (error == IN_ERR_SUCCESS)
for (tmp = 0; tmp < numberLayers; ++tmp)
_DumpLayer( docwin, page, tmp+1, layers[tmp] );
FREE( layers );
}
}
}
/* Dump the pages that are displayed in this document, as well as some */
/* information we know about the document window */
static void _DumpWindow( IN_DOCWIN docwin )
{
SHORT numberPages;
char title[100];
int error;
IN_PAGE_PTR pages;
IN_DOCWIN activeDocwin;
SHORT tmp;
/* Get the title of the window */
title[0] = '\0';
IN_GetTitle( docwin, 100, title );
IN_GetActiveDocumentWindow( &activeDocwin );
IN_GetNumberPages( docwin, &numberPages );
_FMTMSG4( "Document Window ID %lu: '%s',%s Page count: %u", docwin, (LPCSTR) title, activeDocwin == docwin ? (LPCSTR) " Active," : (LPCSTR) "", numberPages );
/* Get the pages in the window */
if (numberPages)
if ((pages = (IN_PAGE_PTR) MALLOC( numberPages * sizeof( IN_PAGE ) )) != NULL) {
error = IN_GetPageIDs( docwin, numberPages, &tmp, pages );
if (error == IN_ERR_SUCCESS)
for (tmp = 0; tmp < numberPages; ++tmp)
_DumpPage( docwin, pages[tmp] );
FREE( pages );
}
}
/* Dump information about all of the document windows that are currently */
/* open in Eroica */
static void _DumpWindows( void )
{
SHORT docwinCount;
IN_DOCWIN_PTR docwins;
int error;
int i;
/* Get the document windows that are currently open */
error = IN_GetNumberDocumentWindows( &docwinCount );
if (error == IN_ERR_SUCCESS) {
_FMTMSG( " %u document windows found", docwinCount );
if (docwinCount)
if ((docwins = (IN_DOCWIN_PTR) MALLOC( docwinCount * sizeof( IN_DOCWIN ) )) != NULL) {
error = IN_GetDocumentWindows( 100, &docwinCount, docwins );
if (error == IN_ERR_SUCCESS)
for (i = 0; i < docwinCount; ++i)
_DumpWindow( docwins[i] );
FREE( docwins );
}
} else {
_FMTMSG( "Couldn't get window count. Error %d", error );
}
}
/* Get and display the version of Eroica that we are attached to */
static void _EroicaVersion( void )
{
int error;
SHORT major, minor, build;
char szVersion[24];
error = IN_GetIMVersion( &major, &minor, &build, sizeof( szVersion ), szVersion );
if (error == IN_ERR_SUCCESS) {
_FMTMSG4( "Eroica Version %u.%u.%u (%s)", major, minor, build, (LPCSTR) szVersion );
} else {
_FMTMSG( "Can't get Eroica version. Error %d", error );
}
}
/* This function is called when a menu item has been activated and */
/* an IN_NFY_MENU_INTERCEPT advise has been sent out */
EXPORT(void) NFY_MenuIntercept( IN_DOCWIN docwinID, unsigned menuID )
{
char message[256];
switch (menuID) {
case IN_CMD_FILE_SAVE:
wsprintf( message, "Someone has select the FILE|SAVE menu option in Eroica for docwinID %lu. Enter user intercept function here", docwinID );
MessageBox( hFrameWnd, (LPCSTR)message, (LPCSTR)"Menu Item Intercepted", MB_APPLMODAL );
break;
case IN_CMD_FILE_SAVEAS:
wsprintf( message, "Someone has select the FILE|SAVE AS menu option in Eroica for docwinID %lu. Enter user intercept function here", docwinID );
MessageBox( hFrameWnd, (LPCSTR)message, (LPCSTR)"Menu Item Intercepted", MB_APPLMODAL );
break;
default:
break;
}
}
/* This function is called when a document window that we have placed */
/* an IN_NFY_CLOSE_DOCWIN advise request on has closed */
EXPORT(void) NFY_CloseDocwin( IN_DOCWIN docwinID )
{
_FMTMSG( "CloseDocwin %ld", docwinID );
}
/* This function sets the appropriate tool item to checked */
static int _SetTool( IN_DOCWIN docwinID, UINT toolType )
{
int error;
/* Set the tool type */
if ((error = IN_SetTool( docwinID, toolType )) != IN_ERR_SUCCESS) {
_FMTMSG( "Tool type was not set (TOOL:%d)", toolType );
}
return( TRUE );
}
/* This function sets the appropriate tool item to checked */
static int _SetToolMenuCheck( HWND hWnd, UINT menuID )
{
HMENU hMenu = GetMenu( hWnd );
/* Turn all the checks off */
CheckMenuItem( hMenu, IDM_MARKUP_TOOL_CIRCLE, MF_UNCHECKED );
CheckMenuItem( hMenu, IDM_MARKUP_TOOL_LINE, MF_UNCHECKED );
CheckMenuItem( hMenu, IDM_MARKUP_TOOL_BOX, MF_UNCHECKED );
CheckMenuItem( hMenu, IDM_MARKUP_TOOL_TEXT, MF_UNCHECKED );
/* Now set the onen active */
CheckMenuItem( hMenu, menuID, MF_CHECKED );
return( TRUE );
}
/* This function is called when a document window that we have placed
* an IN_QRY_CLOSE_DOCWIN advise request been requested to close.
*
* The user is presented with a Yes/No/Cancel dialog asking whether the
* document window should be closed or not.
*
* Yes indicates that the window can close
* No indicates that the window shouldn't close
* Cancel indicates that we have no opinion and let it close if nobody
* else wants it to stay open
*/
EXPORT(BOOL) QRY_CloseDocwin( IN_DOCWIN docwinID, BOOL FAR *pCanClose )
{
char msgText[50];
BOOL msgProcessed;
wsprintf( msgText, "Close Docwin ID %lu?", docwinID );
switch (MessageBox( hFrameWnd, msgText, "Close DocwinID Query", MB_YESNOCANCEL )) {
case IDYES:
*pCanClose = TRUE;
msgProcessed = TRUE;
_FMTMSG( "CloseDocwin(%lu)? Yes", docwinID );
break;
case IDNO:
*pCanClose = FALSE;
msgProcessed = TRUE;
_FMTMSG( "CloseDocwin(%lu)? No", docwinID );
break;
case IDCANCEL:
default:
msgProcessed = FALSE;
_FMTMSG( "CloseDocwin(%lu)? Ignored", docwinID );
break;
}
return( msgProcessed );
}
/* This function is the callback for the external window that we control */
/* by giving Eroica explicitly a chance at processing the message */
EXPORT(LRESULT) ExternalWndProc( HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam )
{
IN_DOCWIN docwinID = GetWindowLong( hWnd, 0 );
/* Give Eroica a chance at the message */
if (message != WM_COMMAND || (wParam < FIRST_MENU_COMMAND_ID || wParam > LAST_MENU_COMMAND_ID))
if (IN_ProcessExternalWindowMessage( hWnd, message, wParam, lParam ))
return( 0 );
switch (message) {
case WM_CLOSE:
IN_UnregisterExternalDocumentWindow( docwinID );
break;
case WM_COMMAND:
switch (wParam) {
case IDM_EXIT:
PostMessage( hWnd, WM_CLOSE, 0, 0 );
return( 1 );
case IDM_VIEW_FIT:
IN_SetZoom( docwinID, 3 );
return( 1 );
case IDM_MARKUP_NEWLAYER:
_NewLayer( docwinID );
return( 1 );
case IDM_MARKUP_TOOL_CIRCLE:
if (_SetTool( docwinID, IN_TOOL_CIRCLE ))
_SetToolMenuCheck( hWnd, IDM_MARKUP_TOOL_CIRCLE );
return( 1 );
case IDM_MARKUP_TOOL_LINE:
if (_SetTool( docwinID, IN_TOOL_LINE ))
_SetToolMenuCheck( hWnd, IDM_MARKUP_TOOL_LINE );
return( 1 );
case IDM_MARKUP_TOOL_BOX:
if (_SetTool( docwinID, IN_TOOL_BOX ))
_SetToolMenuCheck( hWnd, IDM_MARKUP_TOOL_BOX );
return( 1 );
case IDM_MARKUP_TOOL_TEXT:
if (_SetTool( docwinID, IN_TOOL_TEXT ))
_SetToolMenuCheck( hWnd, IDM_MARKUP_TOOL_TEXT );
return( 1 );
}
}
return( DefWindowProc( hWnd, message, wParam, lParam ) );
}
/* This function is the callback for the external window that
/* we let Eroica control */
EXPORT(LRESULT) EroicaExtWndProc( HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam )
{
IN_DOCWIN docwinID = GetWindowLong( hWnd, 0 );
/* int mode; */
switch (message) {
case WM_CLOSE:
if (docwinID)
IN_UnregisterExternalDocumentWindow( docwinID );
break;
case WM_SIZE:
switch (wParam) {
case SIZE_MAXIMIZED:
case SIZE_MINIMIZED:
case SIZE_RESTORED:
if (docwinID)
IN_ResetExternalDocumentWindowSize( docwinID );
break;
}
break;
case WM_COMMAND:
switch (wParam) {
case IDM_EXIT:
PostMessage( hWnd, WM_CLOSE, 0, 0 );
return( 0 );
case IDM_VIEW_FIT:
if (docwinID)
IN_SetZoom( docwinID, 3 );
return( 1 );
case IDM_VIEW_ZOOMIN:
if (docwinID)
IN_SetZoom( docwinID, 1 );
return( 1 );
case IDM_VIEW_ZOOMOUT:
if (docwinID)
IN_SetZoom( docwinID, 2 );
return( 1 );
}
}
return( DefWindowProc( hWnd, message, wParam, lParam ) );
}
/* DEMO.C */
/* end of file */