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Sat Dec 23 18:15:59 1995 Alexandre Julliard <julliard@sunsite.unc.edu> * [configure.in] [Makefile.in] [tools/install-sh] New 'install' target installs Wine binary, library and man page. Library is now more logically named libwine.a. Split toolkit/ directory into library (for library code) and libtest (for test programs). * [controls/edit.c] Quick hack to partially support EM_PASSWORD style (avoids displaying your passwords on the screen when testing programs...) * [configure.in] [controls/menu.c] [include/resource.h] [misc/commdlg.c] [misc/ole2nls.c] [misc/shell.c] [windows/msgbox.c] Language is now a run-time option (wine -language xx). * [debugger/dbg.y] Dump some more debugging info on crash. * [misc/profile.c] Only consider ';' as a comment if it's the first non-blank character on the line. * [miscemu/dpmi.c] More debugging info for real-mode callback. * [objects/gdiobj.c] Rewrote EnumObjects() to do the Right Thing. * [resources/sysres*] New directory containing system resources. Fri Dec 22 11:24:39 GMT 1995 John Harvey <john@division.co.uk> * [win32/file.c] [win32/memory.c] Unixware doesn't have MAP_ANON ifdefed out for now. * [misc/dos_fs.c] DOS_GetDosFileName didn't truncate paths starting ./ properly. * [tools/build.c] Produces assembly code that works with the unixware assembler. Wed Dec 20 22:22:29 +0100 1995 Morten Welinder <terra@diku.dk> * [miscemu/instr.c] INSTR_GetOperandAddr: 16-bit addresses should be masked to 16 bits. * [misc/dos_fs.c] DOS_readdir should always return directories, even if they don't match the file name mask. Tue Dec 19 18:00:00 1995 Uwe Bonnes <bon@elektron.ikp.physik.th-darmstadt.de> * [misc/exec.c] Give arguments to winhelp. * [miscemu/int21.c] Implemented Interrupt 21 AX=6C00 EXTENDED OPEN/CREATE. Created function ExtendedOpenCreateFile. Give for some Windows95 interrupts the return value 'not implemented'. Sun Dec 17 16:51:56 EST 1995 Jim Peterson <jspeter@birch.ee.vt.edu> * [include/kernel32.h] [include/windows.h] Moved the typedefs for SYSTEMTIME and LPSYSTEMTIME from include/kernel32.h to include/windows.h and declared the new Win32 API functions Sleep(), GetLocalTime(), and GetSystemTime(). Redefined INFINITE as 0xFFFFFFFF if WINELIB32. * [rc/rc (new file)] Created the shell script 'rc', which should simplify resource compilation. * [win32/environment.c] Kludged around an undefined reference to wine_files. This change should be fixed some time. * [win32/time.c] [if1632/kernel32.spec] Added the functions GetSystemTime(), and Sleep(). * [miscemu/int21.c] Renamed static function GetSystemTime to INT21_GetSystemTime to avoid conflicts with the API function of the same name. * [include/wintypes.h] Added the SPFMT definition for printf statements. * [misc/shell.c] [include/shell.h] Changed ERROR_* defines to SHELL_ERROR_*, as they were conflicting with the ones in include/winerror.h. They should probably use the versions in winerror.h, but I'm not certain, and that can be done later. * [windows/mdi.c] Translated WM_MDIACTIVATE(?,(LOhwnd,HIhwnd)) messages to WM_MDIACTIVATE(HIhwnd,LOhwnd) for WINELIB32. The ? parameter (boolean) was discarded with this translation. Translated handler of WM_MDISETMENU(ref,(loHMENU,hiHMENU)) to handle WM_MDISETMENU(loHMENU, hiHMENU) messages in WINELIB32 (ref assumed false, call DrawMenuBar() if desired). * [*/*] General explicit casts and more rigid typing to remove warnings. * [include/winpos.h] [windows/winpos.c] Changed return type of WINPOS_ChangeActiveWindow to BOOL. * [include/commdlg.h] [misc/commdlg.c] Added prototypes for ChooseColor(), CommDlgExtendedError(), FindText() GetFileTitle(), GetOpenFileName(), GetSaveFileName(), PrintDlg, and ReplaceText(). Renamed the CommDlgExtendError() function to CommDlgExtendedError(). Made GetFileTitle return a short, as per the API definition. * [Makefile.in] Added line to clean and distclean that removes temporaries from the include directory. Sat Dec 16 19:39:14 MET 1995 Steffen Moeller <smoe0024@rz.uni-hildesheim.de> * [controls/edit.c] Almost rewrote EDIT_GetLineMsg. Sat Dec 16 13:51:48 MST 1995 Andrew Taylor <andrew@riscan.com> * [windows/mdi.c] Fixed MDITile() bug that occurs when 0 windows are present or all windows are minimized. Wed Dec 12 23:30:00 1995 Uwe Bonnes <bon@elektron.ikp.physik.th-darmstadt.de> * [misc/profile.c] Try harder to find files, especially in the working directory. Look in $HOME/.wine too and create it there if it isn't found.
91 lines
4.1 KiB
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91 lines
4.1 KiB
Text
This is a short discussion of resources in WineLib.
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Introduction
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Resources are used to store dialogs, menus, bitmaps, icons,
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version information, strings, fonts, and accelerators.
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In a Win3.1 programming environment, there are three file formats for
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resources:
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- the RC script, which is human-readable and can be processed by a resource
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compiler
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- the .RES file, which is the output of the resource compiler
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- the .EXE and .DLL files, which store resources as a part of the NE
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file format
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For WineLib, only a part of this is supported. In particular, there is no
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.RES file, the executable is not a NE file (as it is a native Unix executable),
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and some resource types are not implemented: icons, version information,
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strings, and fonts.
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Building a WineLib application
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The build process assumes that the C source files and the resource script
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is available. At the moment, a single resource script is recommended.
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This script is processed by winerc:
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1) the preprocessor is used to resolve symbolic style name (LBS_STANDARD, ...)
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into numbers. This involves processing windows.h
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2) the unused parts of windows.h (type definitions) are removed. This would
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not be necessary if Wine's windows.h would use the RC_INVOKED macro.
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3) winerc is invoked to create a binary representation of the resources.
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This representation is stored as C source code (arrays).
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4) gcc is used to compile the generated C code.
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Now, each resource is available as a C array to the application. As the
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executable is not in the NE format, it is not possible to retrieve resource
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locations in the executable via name. Instead, the resources have to be
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referenced with their generated C array names. The linker then resolves
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these names in the compiled resource file.
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5) The program sources are compiled and linked with the output of step 4.
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A sample build process is in toolkit/Makefile:hello3.
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Required changes to the program sources
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Because loading the resources from an instance handle is not possible,
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the *Indirect functions have to be used to load a resource. The C arrays
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can be directly passed to the *Indirect functions. So, instead of writing
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hMenu=LoadMenu(hInstance,"MAIN");
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write
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hMenu=LoadMenuIndirect(hello3_MENU_MAIN.bytes);
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Fortunately, the Windows API has the following functions available:
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DialogBoxIndirect
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CreateDialogIndirect
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DialogBoxIndirectParam
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CreateDialogIndirectParam
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LoadMenuIndirect
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SetDIBitsToDevice
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Sample code is available in hello3.c. hello3res.c contains the corresponding
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resources.
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Keeping a common source
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Clearly, changing the sources is not very desirable, and suggestions how
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to reduce the amount of work are welcome. In the meantime, two approaches
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allow at least to remain a common source between the Win3.1 code and the
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WineLib code:
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1) conditional compiles:
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When compiling a WineLib application, WINELIB is defined. This can be used
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to select Wine-specific code.
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2) usage of winerc for Windows: The *Indirect functions are available on
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plain Win3.1, and the resource format is fully compatible. Thus, recompiling
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sources modified for WineLib on Win3.1 is possible and known to work.
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Open problems
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1) Icons and cursors: For these resources, there is no *Indirect function
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documented. In addition, both are implemented by a set of two resources.
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This is the reason why they are not supported by winerc.
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2) Accelerators: Although winerc supports accelerators, there is no
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LoadAcceleratorIndirect function. A work-around would be to define one.
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3) Fonts: Font resources are not supported by Wine at all.
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4) String tables: Although string tables are not supported by winerc, there
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is no reason not to add such support. Again, some indirect loading would
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be necessary.
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5) API requires loading by name: At some places, the name of a resource
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is passed instead of a handle. The WNDCLASS structure contains the name
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of a menu resource, and the icon in a dialog box is referenced by its name.
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(Are there some more places?)
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Clearly, loading the resource by name would be highly desirable. The
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resource compiler currently creates a structure containing all resources
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defined in an RC file. However, it is not clear how WINELIB could find the
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location of this structure, especially, when there is more than one RC file.
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