1 /*

     2  * Copyright 1999-2003 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Sun designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Sun in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    22  * CA 95054 USA or visit www.sun.com if you need additional information or

    23  * have any questions.

    24  */

    25 

    26 #ifndef AWT_DLLS_H

    27 #define AWT_DLLS_H

    28 

    29 #include <commdlg.h>

    30 #include <shellapi.h>

    31 #include <shlobj.h>

    32 #include "awt_FileDialog.h"

    33 #include "awt_PrintDialog.h"

    34 

    35 /*

    36  * To reduce memory footprint we don't statically link to COMDLG32.DLL

    37  * and SHELL32.  Instead we programatically load them only when they are

    38  * needed.

    39  */

    40 

    41 //---------------------------------------------------------------------------

    42 

    43 typedef BOOL (APIENTRY *PrintDlgType)(LPPRINTDLGW);

    44 typedef BOOL (APIENTRY *PageSetupDlgType)(LPPAGESETUPDLGW);

    45 typedef BOOL (APIENTRY *GetOpenFileNameType)(LPOPENFILENAMEW);

    46 typedef BOOL (APIENTRY *GetSaveFileNameType)(LPOPENFILENAMEW);

    47 typedef DWORD (APIENTRY *GetExtendedErrorType)(VOID);

    48 

    49 class AwtCommDialog {

    50 public:

    51     static DWORD CommDlgExtendedError(VOID);

    52 

    53     static BOOL PrintDlg(LPPRINTDLG data);

    54 

    55     static BOOL PageSetupDlg(LPPAGESETUPDLG data);

    56 

    57 private:

    58     static void load_comdlg_procs();

    59 

    60     // Use wrapper functions with default calling convention. If the

    61     // default isn't __stdcall, accessing the Win32 functions directly

    62     // will cause stack corruption if we cast away __stdcall.

    63     static BOOL PrintDlgWrapper(LPPRINTDLG data) {

    64         return (*do_print_dlg)(data);

    65     }

    66     static BOOL PageSetupDlgWrapper(LPPAGESETUPDLG data) {

    67         return (*do_page_setup_dlg)(data);

    68     }

    69     static BOOL GetOpenFileNameWrapper(LPOPENFILENAME data) {

    70         return (*get_open_file_name)(data);

    71     }

    72     static BOOL GetSaveFileNameWrapper(LPOPENFILENAME data) {

    73         return (*get_save_file_name)(data);

    74     }

    75     static DWORD GetExtendedErrorWrapper(VOID) {

    76         return (*get_dlg_extended_error)();

    77     }

    78 

    79     friend BOOL AwtFileDialog::GetOpenFileName(LPAWTOPENFILENAME);

    80     friend BOOL AwtFileDialog::GetSaveFileName(LPAWTOPENFILENAME);

    81     friend BOOL AwtPrintDialog::PrintDlg(LPPRINTDLG);

    82 

    83     static PrintDlgType do_print_dlg;

    84     static PageSetupDlgType do_page_setup_dlg;

    85     static GetOpenFileNameType get_open_file_name;

    86     static GetSaveFileNameType get_save_file_name;

    87     static GetExtendedErrorType get_dlg_extended_error;

    88 };

    89 

    90 //---------------------------------------------------------------------------

    91 

    92 // Dynamically load in SHELL32.DLL and define the procedure pointers listed below.

    93 extern void load_shell_procs();

    94 

    95 // Procedure pointers obtained from SHELL32.DLL

    96 // You must call load_shell_procs() before using any of these.

    97 typedef UINT (APIENTRY *DragQueryFileType)(HDROP,UINT,LPTSTR,UINT);

    98 typedef BOOL (APIENTRY *GetPathFromIDListType)(LPCITEMIDLIST,LPTSTR);

    99 extern DragQueryFileType do_drag_query_file;

   100 extern GetPathFromIDListType get_path_from_idlist;

   101 

   102 //---------------------------------------------------------------------------

   103 

   104 // Dynamically load in USER32.DLL and define the procedure pointers listed below.

   105 extern void load_user_procs();

   106 

   107 // Procedure pointers obtained from USER32.DLL

   108 // You must call load_user_procs() before using any of these.

   109 typedef BOOL (WINAPI *AnimateWindowType)(HWND,DWORD,DWORD);

   110 typedef LONG (WINAPI *ChangeDisplaySettingsExType)(LPCTSTR,LPDEVMODE,HWND,DWORD,LPVOID lParam);

   111 extern AnimateWindowType fn_animate_window;

   112 extern ChangeDisplaySettingsExType fn_change_display_settings_ex;

   113 

   114 //---------------------------------------------------------------------------

   115 

   116 // Dynamically load in VERSION.DLL and define the procedure pointers listed below.

   117 extern void load_version_procs();

   118 

   119 // Procedure pointers obtained from VERSION.DLL

   120 // You must call load_version_procs() before using any of these.

   121 typedef DWORD (APIENTRY *GetFileVersionInfoSizeType)(LPTSTR,LPDWORD);

   122 typedef BOOL  (APIENTRY *GetFileVersionInfoType)(LPTSTR,DWORD,DWORD,LPVOID);

   123 typedef BOOL  (APIENTRY *VerQueryValueType)(const LPVOID,LPTSTR,LPVOID*,PUINT);

   124 extern GetFileVersionInfoSizeType get_file_version_info_size;

   125 extern GetFileVersionInfoType get_file_version_info;

   126 extern VerQueryValueType do_ver_query_value;

   127 

   128 //---------------------------------------------------------------------------

   129 

   130 // Dynamically load in RSRC32.DLL and define the procedure pointers listed below.

   131 extern void load_rsrc32_procs();

   132 

   133 // Procedure pointers obtained from RSRC32.DLL

   134 // You must call load_rsrc32_procs() before using this procedure.

   135 

   136 /*

   137  * NOTE: even after load_rsrc32_procs() you must check that

   138  * the function pointer is valid before use.

   139  * It will be NULL in three cases:

   140  *  1.RSRC32.DLL not found. This means that Resource Meter

   141  *    isn't installed.

   142  *  2.RSRC32.DLL can't be loaded. This happens on WinNT.

   143  *  3.Unknown version of RSRC32.DLL. This is undocumented

   144  *    procedure, so the safest will be to use it only for

   145  *    a finite set of known versions.

   146  */

   147 typedef UINT (APIENTRY *GetFreeSystemResourcesType)(UINT);

   148 

   149 extern GetFreeSystemResourcesType get_free_system_resources;

   150 

   151 extern void load_rich_edit_library();

   152 

   153 //---------------------------------------------------------------------------

   154 

   155 /*

   156  * Loading WINMM.DLL (the Windows MultiMedia library) is extremely

   157  * expensive. The AWT only uses it to play certain Windows sounds

   158  * (which are off by default) so we dynamically load it upon demand

   159  * instead of statically linking to it.

   160  */

   161 

   162 class AwtWinMM {

   163 public:

   164     static BOOL PlaySoundWrapper(LPCTSTR pszSound, HMODULE hmod, DWORD fdwSound);

   165 

   166 private:

   167     static void load_winmm_procs();

   168     static bool initialized;

   169     typedef BOOL WINAPI PlaySoundWFunc(LPCTSTR pszSound, HMODULE hmod, DWORD fdwSound);

   170     static PlaySoundWFunc* playSoundFunc;

   171 };

   172 

   173 #endif /* AWT_DLLS_H */