448 lines
16 KiB
C++
448 lines
16 KiB
C++
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//---------------------------------------------------------------------------
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//
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// File: PICKICON.CPP
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//
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// Support code for the Change Icon dialog.
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//
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//---------------------------------------------------------------------------
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#include <windows.h>
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#include <windowsx.h>
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#include "rc.h"
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#include "pickicon.h"
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#define MAX_ICONS 500 // that is a lot 'o icons
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#define ARRAYSIZE(s) (sizeof(s) / sizeof((s)[0]))
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typedef struct
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{
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LPSTR pszIconPath; // input/output
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int cbIconPath; // input
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int iIconIndex; // input/output
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// private state variables
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HWND hDlg;
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BOOL fFirstPass;
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char szPathField[MAX_PATH];
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char szBuffer[MAX_PATH];
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} PICKICON_DATA, FAR *LPPICKICON_DATA;
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extern HINSTANCE g_hInst;
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// Checks if the file exists, if it doesn't it tries tagging on .exe and if that
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// fails it reports an error. The given path is environment expanded. If it needs
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// to put up an error box, it changes the cursor back. Path's assumed to be
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// MAXITEMPATHLEN long. The main reason for moving this out of the DlgProc was
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// because we're running out of stack space on the call to the comm dlg.
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BOOL NEAR PASCAL IconFileExists( LPPICKICON_DATA lppid )
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{
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TCHAR szTitle[128];
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TCHAR szInvPath[ 64 ];
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TCHAR szText[MAX_PATH+40];
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TCHAR szPath[MAX_PATH];
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LPTSTR psz;
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DWORD dwRet;
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if( lppid->szBuffer[0] == 0 )
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return FALSE;
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// Use the Win32 version instead of the shell version. The shell version
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// is/was really only there for 16-bit apps. (RickTu)
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//
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// DoEnvironmentSubst( lppid->szBuffer, sizeof(lppid->szBuffer) );
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//
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dwRet = ExpandEnvironmentStrings( lppid->szBuffer, szPath, MAX_PATH );
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if (dwRet > 0 && dwRet <= MAX_PATH)
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{
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lstrcpy( lppid->szBuffer, szPath );
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}
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// PathUnquoteSpaces( lppid->szBuffer ); // JER
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// if( PathResolve( lppid->szBuffer, NULL, PRF_VERIFYEXISTS | PRF_TRYPROGRAMEXTENSIONS ) ) // JER
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if (SearchPath(NULL, lppid->szBuffer, NULL, ARRAYSIZE(szPath), szPath, &psz) != 0)
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return TRUE;
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LoadString( g_hInst, IDS_BADPATHMSG, szTitle, ARRAYSIZE(szTitle) );
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LoadString( g_hInst, IDS_INVALIDPATH, szInvPath, ARRAYSIZE(szInvPath) );
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wsprintf( szText, szTitle, lppid->szBuffer );
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GetWindowText( lppid->hDlg, szTitle, sizeof(szTitle) );
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lstrcat( szTitle, szInvPath );
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MessageBox( GetDesktopWindow(), szText, szTitle , MB_OK | MB_ICONEXCLAMATION );
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return FALSE;
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}
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void NEAR PASCAL PutIconsInList( LPPICKICON_DATA lppid )
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{
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HICON *rgIcons;
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int iTempIcon;
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int cIcons;
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HWND hDlg = lppid->hDlg;
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//HCURSOR hOldCursor;
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SendDlgItemMessage( hDlg, IDD_ICON, LB_RESETCONTENT, 0, 0L );
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GetDlgItemText( hDlg, IDD_PATH, lppid->szPathField, sizeof(lppid->szPathField) );
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lstrcpy( lppid->szBuffer, lppid->szPathField );
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if( !IconFileExists(lppid) )
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{
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if( lppid->fFirstPass )
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{
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// Icon File doesn't exist, use progman
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lppid->fFirstPass = FALSE; // Only do this bit once.
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GetModuleFileName( g_hInst, lppid->szBuffer, ARRAYSIZE(lppid->szBuffer) );
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}
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else
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{
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return;
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}
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}
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lstrcpy( lppid->szPathField, lppid->szBuffer );
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SetDlgItemText( hDlg, IDD_PATH, lppid->szPathField );
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// hOldCursor = SetCursor( LoadCursor( NULL, IDC_WAIT ) );
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rgIcons = (HICON *)LocalAlloc(LPTR, MAX_ICONS*sizeof(HICON));
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if( rgIcons != NULL )
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cIcons = (int)ExtractIconEx( lppid->szBuffer, 0, rgIcons, NULL, MAX_ICONS );
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else
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cIcons = 0;
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// SetCursor( hOldCursor );
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if( !cIcons )
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{
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char szText[256];
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char szTitle[40];
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GetWindowText( lppid->hDlg, szTitle, sizeof(szTitle) );
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if( lppid->fFirstPass )
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{
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lppid->fFirstPass = FALSE; // Only do this bit once.
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LoadString( g_hInst, IDS_NOICONSMSG1, szText, 256 );
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MessageBox( GetDesktopWindow(), szText, szTitle, MB_OK | MB_ICONEXCLAMATION );
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// No icons here - change the path do somewhere where we
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// know there are icons. Get the path to progman.
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// GetModuleFileName( g_hInst, lppid->szPathField, sizeof(lppid->szPathField) );
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GetSystemDirectory( lppid->szPathField, sizeof(lppid->szPathField) );
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lstrcat( lppid->szPathField, "\\shell32.dll" );
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SetDlgItemText( hDlg, IDD_PATH, lppid->szPathField );
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PutIconsInList( lppid );
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}
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else
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{
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LoadString( g_hInst, IDS_NOICONSMSG, szText, 256 );
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MessageBox( GetDesktopWindow(), szText, szTitle, MB_OK | MB_ICONEXCLAMATION );
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return;
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}
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}
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// hOldCursor = SetCursor( LoadCursor( NULL, IDC_WAIT ) );
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SendDlgItemMessage( hDlg, IDD_ICON, WM_SETREDRAW, FALSE, 0L );
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if( rgIcons )
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{
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for( iTempIcon = 0; iTempIcon < cIcons; iTempIcon++ )
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{
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SendDlgItemMessage( hDlg, IDD_ICON, LB_ADDSTRING, 0, (LPARAM)(UINT)rgIcons[iTempIcon] );
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}
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LocalFree((HLOCAL)rgIcons);
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}
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if( SendDlgItemMessage( hDlg, IDD_ICON, LB_SETCURSEL, lppid->iIconIndex, 0L ) == LB_ERR )
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{
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// select the first.
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SendDlgItemMessage( hDlg, IDD_ICON, LB_SETCURSEL, 0, 0L );
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}
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SendDlgItemMessage( hDlg, IDD_ICON, WM_SETREDRAW, TRUE, 0L );
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InvalidateRect( GetDlgItem(hDlg, IDD_ICON), NULL, TRUE );
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// SetCursor( hOldCursor );
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}
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void NEAR PASCAL InitPickIconDlg( HWND hDlg, LPPICKICON_DATA lppid )
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{
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RECT rc;
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UINT cy;
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HWND hwndIcons;
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// init state variables
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lppid->hDlg = hDlg;
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lstrcpyn( lppid->szPathField, lppid->pszIconPath, sizeof(lppid->szPathField) );
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// this first pass stuff is so that the first time something bogus happens
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// (file not found, no icons) we give the user a list of icons from progman.
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lppid->fFirstPass = TRUE;
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// init the dialog controls
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SetDlgItemText( hDlg, IDD_PATH, lppid->pszIconPath );
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SendDlgItemMessage( hDlg, IDD_PATH, EM_LIMITTEXT, lppid->cbIconPath, 0L );
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SendDlgItemMessage( hDlg, IDD_ICON, LB_SETCOLUMNWIDTH, GetSystemMetrics(SM_CXICON) + 12, 0L );
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hwndIcons = GetDlgItem( hDlg, IDD_ICON );
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// compute the height of the listbox based on icon dimensions
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GetClientRect( hwndIcons, &rc );
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cy = GetSystemMetrics( SM_CYICON ) + GetSystemMetrics( SM_CYHSCROLL ) + GetSystemMetrics( SM_CYEDGE ) * 3;
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SetWindowPos( hwndIcons, NULL, 0, 0, rc.right, cy, SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE );
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// REVIEW, explicitly position this dialog?
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cy = rc.bottom - cy;
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GetWindowRect( hDlg, &rc );
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rc.bottom -= rc.top;
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rc.right -= rc.left;
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rc.bottom = rc.bottom - cy;
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SetWindowPos( hDlg, NULL, 0, 0, rc.right, rc.bottom, SWP_NOMOVE | SWP_NOACTIVATE );
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PutIconsInList( lppid );
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}
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// call the common browse code for this
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BOOL NEAR PASCAL BrowseForIconFile( LPPICKICON_DATA lppid )
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{
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OPENFILENAME ofn;
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CHAR szFilter[256] = TEXT("Icon Files\0*.ico;*.exe;*.dll\0Programs (*.exe)\0*.exe\0Libraries (*.dll)\0*.dll\0Icons (*.ico)\0*.ico\0All Files (*.*)\0*.*\0\0");
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char szTitle[40];
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ZeroMemory(&ofn, sizeof(ofn));
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if (LoadString( g_hInst, IDS_ICONFILTER, szFilter, ARRAYSIZE(szFilter) ) != 0) {
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LPTSTR psz;
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for( psz = szFilter; *psz != TEXT('\0'); psz++ ) {
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#ifdef DBCS
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if ( IsDBCSLeadByte(*psz) ) {
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psz = CharNext(psz) - 1;
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continue;
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}
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#endif
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if (*psz == TEXT('\1')) {
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*psz = TEXT('\0');
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}
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}
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}
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GetWindowText( lppid->hDlg, szTitle, sizeof(szTitle) );
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GetDlgItemText( lppid->hDlg, IDD_PATH, lppid->szBuffer, sizeof(lppid->szBuffer) );
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ofn.lStructSize = sizeof(OPENFILENAME);
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ofn.hwndOwner = lppid->hDlg;
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ofn.lpstrFilter = szFilter;
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// ofn.lpstrCustomFilter = (LPSTR)NULL;
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// ofn.nMaxCustFilter = 0L;
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ofn.nFilterIndex = 1L;
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ofn.lpstrFile = lppid->szBuffer;
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ofn.nMaxFile = sizeof(lppid->szBuffer);
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// ofn.lpstrFileTitle = (LPSTR)NULL;
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// ofn.lpstrInitialDir = NULL;
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ofn.lpstrTitle = szTitle;
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ofn.Flags = OFN_FILEMUSTEXIST | OFN_HIDEREADONLY | OFN_NOCHANGEDIR | OFN_PATHMUSTEXIST;
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// ofn.nFileOffset = 0;
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// ofn.nFileExtension = 0;
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// ofn.lCustData = 0;
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if( GetOpenFileName( &ofn ) )
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{
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// PathQuoteSpaces( lppid->szBuffer ); // JER
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SetDlgItemText( lppid->hDlg, IDD_PATH, lppid->szBuffer );
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// Set default button to OK.
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SendMessage( lppid->hDlg, DM_SETDEFID, IDOK, 0 );
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return TRUE;
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}
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else
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return FALSE;
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}
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// test if the name field is different from the last file we looked at
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BOOL NEAR PASCAL NameChange( LPPICKICON_DATA lppid )
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{
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GetDlgItemText( lppid->hDlg, IDD_PATH, lppid->szBuffer, sizeof(lppid->szBuffer) );
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return lstrcmpi(lppid->szBuffer, lppid->szPathField);
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}
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//
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// dialog procedure for picking an icon (ala progman change icon)
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// uses DLG_PICKICON template
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//
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// in:
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// pszIconFile
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// cbIconFile
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// iIndex
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//
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// out:
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// pszIconFile
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// iIndex
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//
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INT_PTR CALLBACK PickIconDlgProc( HWND hDlg, UINT wMsg, WPARAM wParam, LPARAM lParam )
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{
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LPPICKICON_DATA lppid = (LPPICKICON_DATA)GetWindowLong(hDlg, DWL_USER);
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// Array for context help:
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/*static DWORD aPickIconHelpIDs[] = { // JER
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IDD_PATH, IDH_FCAB_LINK_ICONNAME,
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IDD_ICON, IDH_FCAB_LINK_CURRENT_ICON,
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IDD_BROWSE, IDH_BROWSE,
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0, 0
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};
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*/
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switch( wMsg )
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{
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case WM_INITDIALOG:
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SetWindowLong( hDlg, DWL_USER, lParam );
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InitPickIconDlg( hDlg, (LPPICKICON_DATA)lParam );
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break;
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case WM_COMMAND:
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switch( GET_WM_COMMAND_ID(wParam, lParam) )
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{
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case IDHELP: // not wired
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break;
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case IDD_BROWSE:
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if( BrowseForIconFile( lppid ) )
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PutIconsInList( lppid );
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break;
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case IDD_PATH:
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if( NameChange( lppid ) )
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SendDlgItemMessage( hDlg, IDD_ICON, LB_SETCURSEL, (WPARAM)-1, 0 );
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break;
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case IDD_ICON:
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if( NameChange( lppid ) )
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{
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PutIconsInList( lppid );
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break;
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}
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if( GET_WM_COMMAND_CMD(wParam, lParam) != LBN_DBLCLK )
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break;
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/*** FALL THRU on double click ***/
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case IDOK:
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if( NameChange( lppid ) )
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{
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PutIconsInList( lppid );
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}
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else
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{
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int iIconIndex = (int)SendDlgItemMessage( hDlg, IDD_ICON, LB_GETCURSEL, 0, 0L );
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if( iIconIndex < 0 )
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iIconIndex = 0;
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lppid->iIconIndex = iIconIndex;
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lstrcpy( lppid->pszIconPath, lppid->szPathField );
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EndDialog( hDlg, TRUE );
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}
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break;
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case IDCANCEL:
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EndDialog( hDlg, FALSE );
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break;
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default:
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return( FALSE );
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}
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break;
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// owner draw messages for icon listbox
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case WM_DRAWITEM:
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#define lpdi ((DRAWITEMSTRUCT FAR *)lParam)
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if( lpdi->itemState & ODS_SELECTED )
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SetBkColor( lpdi->hDC, GetSysColor( COLOR_HIGHLIGHT ) );
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else
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SetBkColor( lpdi->hDC, GetSysColor( COLOR_WINDOW ) );
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/* repaint the selection state */
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ExtTextOut( lpdi->hDC, 0, 0, ETO_OPAQUE, &lpdi->rcItem, NULL, 0, NULL );
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/* draw the icon */
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if( (int)lpdi->itemID >= 0 )
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DrawIcon(lpdi->hDC, (lpdi->rcItem.left + lpdi->rcItem.right - GetSystemMetrics(SM_CXICON)) / 2,
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(lpdi->rcItem.bottom + lpdi->rcItem.top - GetSystemMetrics(SM_CYICON)) / 2, (HICON)lpdi->itemData);
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// InflateRect(&lpdi->rcItem, -1, -1);
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/* if it has the focus, draw the focus */
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if( lpdi->itemState & ODS_FOCUS )
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DrawFocusRect( lpdi->hDC, &lpdi->rcItem );
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#undef lpdi
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break;
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case WM_MEASUREITEM:
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#define lpmi ((MEASUREITEMSTRUCT FAR *)lParam)
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lpmi->itemWidth = GetSystemMetrics( SM_CXICON ) + 12;
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lpmi->itemHeight = GetSystemMetrics( SM_CYICON ) + 4;
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#undef lpmi
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break;
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case WM_DELETEITEM:
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#define lpdi ((DELETEITEMSTRUCT FAR *)lParam)
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DestroyIcon( (HICON)lpdi->itemData );
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#undef lpdi
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break;
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case WM_HELP:
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// WinHelp( ((LPHELPINFO) lParam)->hItemHandle, NULL, HELP_WM_HELP, (DWORD)(LPSTR) aPickIconHelpIDs ); // JER
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break;
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||
|
|
||
|
case WM_CONTEXTMENU:
|
||
|
// WinHelp( (HWND) wParam, NULL, HELP_CONTEXTMENU, (DWORD)(LPVOID)aPickIconHelpIDs ); // JER
|
||
|
break;
|
||
|
|
||
|
default:
|
||
|
return FALSE;
|
||
|
}
|
||
|
return TRUE;
|
||
|
}
|
||
|
|
||
|
|
||
|
// puts up the pick icon dialog
|
||
|
int WINAPI PickIconDlg( HWND hwnd, LPSTR pszIconPath, UINT cbIconPath, int FAR *piIconIndex )
|
||
|
{
|
||
|
PICKICON_DATA *pid;
|
||
|
int iResult;
|
||
|
|
||
|
// if we are coming up from a 16->32 thunk. it is possible that SHELL32 will
|
||
|
// not be loaded in this context, so we will load ourself if we are not loaded.
|
||
|
// IsDllLoaded( g_hInst, "SHELL32" ); // JER
|
||
|
|
||
|
pid = (PICKICON_DATA *)LocalAlloc( LPTR, sizeof(PICKICON_DATA) );
|
||
|
|
||
|
if( pid == NULL )
|
||
|
return 0;
|
||
|
|
||
|
pid->pszIconPath = pszIconPath;
|
||
|
pid->cbIconPath = cbIconPath;
|
||
|
pid->iIconIndex = *piIconIndex;
|
||
|
|
||
|
iResult = DialogBoxParam( g_hInst, MAKEINTRESOURCE(DLG_PICKICON), hwnd, PickIconDlgProc, (LPARAM)(LPPICKICON_DATA)pid );
|
||
|
|
||
|
*piIconIndex = pid->iIconIndex;
|
||
|
|
||
|
LocalFree( pid );
|
||
|
|
||
|
return iResult;
|
||
|
}
|