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Added window classes in the server, and support for inter-process

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GetClassWord/Long (based on a patch by Mike McCormack).
Various fixes to the class instance handling.
This commit is contained in:
Alexandre Julliard 2003-12-10 04:08:06 +00:00
parent 08d01923e5
commit bfce151ae5
14 changed files with 786 additions and 314 deletions
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41
dlls/user/user_main.c
View file

@ -127,41 +127,6 @@ static BOOL load_driver(void)
}
/***********************************************************************
* controls_init
*
* Register the classes for the builtin controls
*/
static void controls_init(void)
{
extern const struct builtin_class_descr BUTTON_builtin_class;
extern const struct builtin_class_descr COMBO_builtin_class;
extern const struct builtin_class_descr COMBOLBOX_builtin_class;
extern const struct builtin_class_descr DIALOG_builtin_class;
extern const struct builtin_class_descr DESKTOP_builtin_class;
extern const struct builtin_class_descr EDIT_builtin_class;
extern const struct builtin_class_descr ICONTITLE_builtin_class;
extern const struct builtin_class_descr LISTBOX_builtin_class;
extern const struct builtin_class_descr MDICLIENT_builtin_class;
extern const struct builtin_class_descr MENU_builtin_class;
extern const struct builtin_class_descr SCROLL_builtin_class;
extern const struct builtin_class_descr STATIC_builtin_class;
CLASS_RegisterBuiltinClass( &BUTTON_builtin_class );
CLASS_RegisterBuiltinClass( &COMBO_builtin_class );
CLASS_RegisterBuiltinClass( &COMBOLBOX_builtin_class );
CLASS_RegisterBuiltinClass( &DIALOG_builtin_class );
CLASS_RegisterBuiltinClass( &DESKTOP_builtin_class );
CLASS_RegisterBuiltinClass( &EDIT_builtin_class );
CLASS_RegisterBuiltinClass( &ICONTITLE_builtin_class );
CLASS_RegisterBuiltinClass( &LISTBOX_builtin_class );
CLASS_RegisterBuiltinClass( &MDICLIENT_builtin_class );
CLASS_RegisterBuiltinClass( &MENU_builtin_class );
CLASS_RegisterBuiltinClass( &SCROLL_builtin_class );
CLASS_RegisterBuiltinClass( &STATIC_builtin_class );
}
/***********************************************************************
* palette_init
*
@ -219,7 +184,7 @@ static void tweak_init(void)
/***********************************************************************
* USER initialisation routine
*/
static BOOL process_attach(void)
static BOOL process_attach( HINSTANCE inst )
{
HINSTANCE16 instance;
@ -243,7 +208,7 @@ static BOOL process_attach(void)
palette_init();
/* Initialize built-in window classes */
controls_init();
CLASS_RegisterBuiltinClasses( inst );
/* Initialize menus */
if (!MENU_Init()) return FALSE;
@ -304,7 +269,7 @@ BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
switch(reason)
{
case DLL_PROCESS_ATTACH:
ret = process_attach();
ret = process_attach( inst );
break;
case DLL_THREAD_DETACH:
thread_detach();

4
dlls/user/winproc.h
View file

@ -137,13 +137,11 @@ inline static void unmap_str_16_to_32W( LPCWSTR str )
/* Class functions */
struct tagCLASS; /* opaque structure */
struct builtin_class_descr;
struct tagDCE;
extern ATOM CLASS_RegisterBuiltinClass( const struct builtin_class_descr *descr );
extern void CLASS_RegisterBuiltinClasses( HINSTANCE inst );
extern struct tagCLASS *CLASS_AddWindow( ATOM atom, HINSTANCE inst, WINDOWPROCTYPE type,
INT *winExtra, WNDPROC *winproc,
DWORD *style, struct tagDCE **dce );
extern void CLASS_RemoveWindow( struct tagCLASS *cls );
extern void CLASS_FreeModuleClasses( HMODULE16 hModule );
/* Timer functions */

73
include/wine/server_protocol.h
View file

@ -2525,6 +2525,7 @@ struct create_window_request
user_handle_t parent;
user_handle_t owner;
atom_t atom;
void* instance;
int extra;
};
struct create_window_reply
@ -3052,6 +3053,67 @@ struct get_next_hook_reply
struct create_class_request
{
struct request_header __header;
int local;
atom_t atom;
unsigned int style;
void* instance;
int extra;
int win_extra;
};
struct create_class_reply
{
struct reply_header __header;
};
struct destroy_class_request
{
struct request_header __header;
atom_t atom;
void* instance;
};
struct destroy_class_reply
{
struct reply_header __header;
};
struct set_class_info_request
{
struct request_header __header;
user_handle_t window;
unsigned int flags;
atom_t atom;
unsigned int style;
int win_extra;
void* instance;
int extra_offset;
size_t extra_size;
unsigned int extra_value;
};
struct set_class_info_reply
{
struct reply_header __header;
atom_t old_atom;
unsigned int old_style;
int old_extra;
int old_win_extra;
void* old_instance;
unsigned int old_extra_value;
};
#define SET_CLASS_ATOM 0x0001
#define SET_CLASS_STYLE 0x0002
#define SET_CLASS_WINEXTRA 0x0004
#define SET_CLASS_INSTANCE 0x0008
#define SET_CLASS_EXTRA 0x0010
struct set_clipboard_info_request
{
struct request_header __header;
@ -3298,6 +3360,9 @@ enum request
REQ_start_hook_chain,
REQ_finish_hook_chain,
REQ_get_next_hook,
REQ_create_class,
REQ_destroy_class,
REQ_set_class_info,
REQ_set_clipboard_info,
REQ_open_token,
REQ_set_global_windows,
@ -3484,6 +3549,9 @@ union generic_request
struct start_hook_chain_request start_hook_chain_request;
struct finish_hook_chain_request finish_hook_chain_request;
struct get_next_hook_request get_next_hook_request;
struct create_class_request create_class_request;
struct destroy_class_request destroy_class_request;
struct set_class_info_request set_class_info_request;
struct set_clipboard_info_request set_clipboard_info_request;
struct open_token_request open_token_request;
struct set_global_windows_request set_global_windows_request;
@ -3668,11 +3736,14 @@ union generic_reply
struct start_hook_chain_reply start_hook_chain_reply;
struct finish_hook_chain_reply finish_hook_chain_reply;
struct get_next_hook_reply get_next_hook_reply;
struct create_class_reply create_class_reply;
struct destroy_class_reply destroy_class_reply;
struct set_class_info_reply set_class_info_reply;
struct set_clipboard_info_reply set_clipboard_info_reply;
struct open_token_reply open_token_reply;
struct set_global_windows_reply set_global_windows_reply;
};
#define SERVER_PROTOCOL_VERSION 128
#define SERVER_PROTOCOL_VERSION 129
#endif /* __WINE_WINE_SERVER_PROTOCOL_H */

1
server/Makefile.in
View file

@ -9,6 +9,7 @@ C_SRCS = \
async.c \
atom.c \
change.c \
class.c \
clipboard.c \
console.c \
context_i386.c \

204
server/class.c Normal file
View file

@ -0,0 +1,204 @@
/*
* Server-side window class management
*
* Copyright (C) 2002 Mike McCormack
* Copyright (C) 2003 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "wine/port.h"
#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "wine/list.h"
#include "request.h"
#include "object.h"
#include "process.h"
#include "user.h"
struct window_class
{
struct list entry; /* entry in process list */
struct process *process; /* process owning the class */
int count; /* reference count */
int local; /* local class? */
atom_t atom; /* class atom */
void *instance; /* module instance */
unsigned int style; /* class style */
int win_extra; /* number of window extra bytes */
int nb_extra_bytes; /* number of extra bytes */
char extra_bytes[1]; /* extra bytes storage */
};
static struct window_class *create_class( struct process *process, int extra_bytes, int local )
{
struct window_class *class;
if (!(class = mem_alloc( sizeof(*class) + extra_bytes - 1 ))) return NULL;
class->process = (struct process *)grab_object( process );
class->count = 0;
class->local = local;
class->nb_extra_bytes = extra_bytes;
memset( class->extra_bytes, 0, extra_bytes );
/* other fields are initialized by caller */
/* local classes have priority so we put them first in the list */
if (local) list_add_head( &process->classes, &class->entry );
else list_add_tail( &process->classes, &class->entry );
return class;
}
static void destroy_class( struct window_class *class )
{
list_remove( &class->entry );
release_object( class->process );
free( class );
}
void destroy_process_classes( struct process *process )
{
struct list *ptr;
while ((ptr = list_head( &process->classes )))
{
struct window_class *class = LIST_ENTRY( ptr, struct window_class, entry );
destroy_class( class );
}
}
static struct window_class *find_class( struct process *process, atom_t atom, void *instance )
{
struct list *ptr;
LIST_FOR_EACH( ptr, &process->classes )
{
struct window_class *class = LIST_ENTRY( ptr, struct window_class, entry );
if (class->atom != atom) continue;
if (!instance || !class->local || class->instance == instance) return class;
}
return NULL;
}
struct window_class *grab_class( struct process *process, atom_t atom, void *instance )
{
struct window_class *class = find_class( process, atom, instance );
if (class) class->count++;
else set_error( STATUS_INVALID_HANDLE );
return class;
}
void release_class( struct window_class *class )
{
assert( class->count > 0 );
class->count--;
}
atom_t get_class_atom( struct window_class *class )
{
return class->atom;
}
/* create a window class */
DECL_HANDLER(create_class)
{
struct window_class *class = find_class( current->process, req->atom, req->instance );
if (class && !class->local == !req->local)
{
set_win32_error( ERROR_CLASS_ALREADY_EXISTS );
return;
}
if (req->extra < 0 || req->extra > 4096) /* don't allow stupid values here */
{
set_error( STATUS_INVALID_PARAMETER );
return;
}
if (!grab_global_atom( req->atom )) return;
if (!(class = create_class( current->process, req->extra, req->local )))
{
release_global_atom( req->atom );
return;
}
class->atom = req->atom;
class->instance = req->instance;
class->style = req->style;
class->win_extra = req->win_extra;
}
/* destroy a window class */
DECL_HANDLER(destroy_class)
{
struct window_class *class = find_class( current->process, req->atom, req->instance );
if (!class)
set_error( STATUS_INVALID_HANDLE );
else if (class->count)
set_win32_error( ERROR_CLASS_HAS_WINDOWS );
else
destroy_class( class );
}
/* set some information in a class */
DECL_HANDLER(set_class_info)
{
struct window_class *class = get_window_class( req->window );
if (!class) return;
if (req->extra_size > sizeof(req->extra_value) ||
req->extra_offset < -1 ||
req->extra_offset > class->nb_extra_bytes - (int)req->extra_size)
{
set_win32_error( ERROR_INVALID_INDEX );
return;
}
if (req->extra_offset != -1)
{
memcpy( &reply->old_extra_value, class->extra_bytes + req->extra_offset, req->extra_size );
}
else if (req->flags & SET_CLASS_EXTRA)
{
set_win32_error( ERROR_INVALID_INDEX );
return;
}
reply->old_atom = class->atom;
reply->old_style = class->style;
reply->old_extra = class->nb_extra_bytes;
reply->old_win_extra = class->win_extra;
reply->old_instance = class->instance;
if (req->flags & SET_CLASS_ATOM)
{
if (!grab_global_atom( req->atom )) return;
release_global_atom( class->atom );
class->atom = req->atom;
}
if (req->flags & SET_CLASS_STYLE) class->style = req->style;
if (req->flags & SET_CLASS_WINEXTRA) class->win_extra = req->win_extra;
if (req->flags & SET_CLASS_INSTANCE) class->instance = req->instance;
if (req->flags & SET_CLASS_EXTRA) memcpy( class->extra_bytes + req->extra_offset,
&req->extra_value, req->extra_size );
}

3
server/process.c
View file

@ -44,6 +44,7 @@
#include "thread.h"
#include "request.h"
#include "console.h"
#include "user.h"
/* process structure */
@ -283,6 +284,7 @@ struct thread *create_process( int fd )
process->group_id = 0;
process->token = create_token();
list_init( &process->locks );
list_init( &process->classes );
gettimeofday( &process->start_time, NULL );
if ((process->next = first_process) != NULL) process->next->prev = process;
@ -597,6 +599,7 @@ static void process_killed( struct process *process )
if (dll->filename) free( dll->filename );
free( dll );
}
destroy_process_classes( process );
set_process_startup_state( process, STARTUP_ABORTED );
if (process->exe.file) release_object( process->exe.file );
process->exe.file = NULL;

1
server/process.h
View file

@ -68,6 +68,7 @@ struct process
int suspend; /* global process suspend count */
int create_flags; /* process creation flags */
struct list locks; /* list of file locks owned by the process */
struct list classes; /* window classes owned by the process */
struct console_input*console; /* console input */
enum startup_state startup_state; /* startup state */
struct startup_info *startup_info; /* startup info while init is in progress */

45
server/protocol.def
View file

@ -1780,6 +1780,7 @@ enum message_type
user_handle_t parent; /* parent window */
user_handle_t owner; /* owner window */
atom_t atom; /* class atom */
void* instance; /* module instance */
int extra; /* number of extra bytes */
@REPLY
user_handle_t handle; /* created window */
@ -2129,6 +2130,50 @@ enum message_type
@END
/* Create a window class */
@REQ(create_class)
int local; /* is it a local class? */
atom_t atom; /* class atom */
unsigned int style; /* class style */
void* instance; /* module instance */
int extra; /* number of extra class bytes */
int win_extra; /* number of window extra bytes */
@END
/* Destroy a window class */
@REQ(destroy_class)
atom_t atom; /* class atom */
void* instance; /* module instance */
@END
/* Set some information in a class */
@REQ(set_class_info)
user_handle_t window; /* handle to the window */
unsigned int flags; /* flags for info to set (see below) */
atom_t atom; /* class atom */
unsigned int style; /* class style */
int win_extra; /* number of window extra bytes */
void* instance; /* module instance */
int extra_offset; /* offset to set in extra bytes */
size_t extra_size; /* size to set in extra bytes */
unsigned int extra_value; /* value to set in extra bytes */
@REPLY
atom_t old_atom; /* previous class atom */
unsigned int old_style; /* previous class style */
int old_extra; /* previous number of class extra bytes */
int old_win_extra; /* previous number of window extra bytes */
void* old_instance; /* previous module instance */
unsigned int old_extra_value; /* old value in extra bytes */
@END
#define SET_CLASS_ATOM 0x0001
#define SET_CLASS_STYLE 0x0002
#define SET_CLASS_WINEXTRA 0x0004
#define SET_CLASS_INSTANCE 0x0008
#define SET_CLASS_EXTRA 0x0010
/* Set/get clipboard information */
@REQ(set_clipboard_info)
unsigned int flags; /* flags for fields to set (see below) */

6
server/request.h
View file

@ -279,6 +279,9 @@ DECL_HANDLER(remove_hook);
DECL_HANDLER(start_hook_chain);
DECL_HANDLER(finish_hook_chain);
DECL_HANDLER(get_next_hook);
DECL_HANDLER(create_class);
DECL_HANDLER(destroy_class);
DECL_HANDLER(set_class_info);
DECL_HANDLER(set_clipboard_info);
DECL_HANDLER(open_token);
DECL_HANDLER(set_global_windows);
@ -464,6 +467,9 @@ static const req_handler req_handlers[REQ_NB_REQUESTS] =
(req_handler)req_start_hook_chain,
(req_handler)req_finish_hook_chain,
(req_handler)req_get_next_hook,
(req_handler)req_create_class,
(req_handler)req_destroy_class,
(req_handler)req_set_class_info,
(req_handler)req_set_clipboard_info,
(req_handler)req_open_token,
(req_handler)req_set_global_windows,

49
server/trace.c
View file

@ -2096,6 +2096,7 @@ static void dump_create_window_request( const struct create_window_request *req
fprintf( stderr, " parent=%p,", req->parent );
fprintf( stderr, " owner=%p,", req->owner );
fprintf( stderr, " atom=%04x,", req->atom );
fprintf( stderr, " instance=%p,", req->instance );
fprintf( stderr, " extra=%d", req->extra );
}
@ -2503,6 +2504,45 @@ static void dump_get_next_hook_reply( const struct get_next_hook_reply *req )
dump_varargs_unicode_str( cur_size );
}
static void dump_create_class_request( const struct create_class_request *req )
{
fprintf( stderr, " local=%d,", req->local );
fprintf( stderr, " atom=%04x,", req->atom );
fprintf( stderr, " style=%08x,", req->style );
fprintf( stderr, " instance=%p,", req->instance );
fprintf( stderr, " extra=%d,", req->extra );
fprintf( stderr, " win_extra=%d", req->win_extra );
}
static void dump_destroy_class_request( const struct destroy_class_request *req )
{
fprintf( stderr, " atom=%04x,", req->atom );
fprintf( stderr, " instance=%p", req->instance );
}
static void dump_set_class_info_request( const struct set_class_info_request *req )
{
fprintf( stderr, " window=%p,", req->window );
fprintf( stderr, " flags=%08x,", req->flags );
fprintf( stderr, " atom=%04x,", req->atom );
fprintf( stderr, " style=%08x,", req->style );
fprintf( stderr, " win_extra=%d,", req->win_extra );
fprintf( stderr, " instance=%p,", req->instance );
fprintf( stderr, " extra_offset=%d,", req->extra_offset );
fprintf( stderr, " extra_size=%d,", req->extra_size );
fprintf( stderr, " extra_value=%08x", req->extra_value );
}
static void dump_set_class_info_reply( const struct set_class_info_reply *req )
{
fprintf( stderr, " old_atom=%04x,", req->old_atom );
fprintf( stderr, " old_style=%08x,", req->old_style );
fprintf( stderr, " old_extra=%d,", req->old_extra );
fprintf( stderr, " old_win_extra=%d,", req->old_win_extra );
fprintf( stderr, " old_instance=%p,", req->old_instance );
fprintf( stderr, " old_extra_value=%08x", req->old_extra_value );
}
static void dump_set_clipboard_info_request( const struct set_clipboard_info_request *req )
{
fprintf( stderr, " flags=%08x,", req->flags );
@ -2726,6 +2766,9 @@ static const dump_func req_dumpers[REQ_NB_REQUESTS] = {
(dump_func)dump_start_hook_chain_request,
(dump_func)dump_finish_hook_chain_request,
(dump_func)dump_get_next_hook_request,
(dump_func)dump_create_class_request,
(dump_func)dump_destroy_class_request,
(dump_func)dump_set_class_info_request,
(dump_func)dump_set_clipboard_info_request,
(dump_func)dump_open_token_request,
(dump_func)dump_set_global_windows_request,
@ -2908,6 +2951,9 @@ static const dump_func reply_dumpers[REQ_NB_REQUESTS] = {
(dump_func)dump_start_hook_chain_reply,
(dump_func)0,
(dump_func)dump_get_next_hook_reply,
(dump_func)0,
(dump_func)0,
(dump_func)dump_set_class_info_reply,
(dump_func)dump_set_clipboard_info_reply,
(dump_func)dump_open_token_reply,
(dump_func)dump_set_global_windows_reply,
@ -3090,6 +3136,9 @@ static const char * const req_names[REQ_NB_REQUESTS] = {
"start_hook_chain",
"finish_hook_chain",
"get_next_hook",
"create_class",
"destroy_class",
"set_class_info",
"set_clipboard_info",
"open_token",
"set_global_windows",

9
server/user.h
View file

@ -27,6 +27,7 @@ struct thread;
struct window;
struct msg_queue;
struct hook_table;
struct window_class;
enum user_object
{
@ -72,5 +73,13 @@ extern int make_window_active( user_handle_t window );
extern struct thread *get_window_thread( user_handle_t handle );
extern user_handle_t window_from_point( int x, int y );
extern user_handle_t find_window_to_repaint( user_handle_t parent, struct thread *thread );
extern struct window_class *get_window_class( user_handle_t window );
/* window class functions */
extern void destroy_process_classes( struct process *process );
extern struct window_class *grab_class( struct process *process, atom_t atom, void *instance );
extern void release_class( struct window_class *class );
extern atom_t get_class_atom( struct window_class *class );
#endif /* __WINE_SERVER_USER_H */

38
server/window.c
View file

@ -63,6 +63,7 @@ struct window
struct window *prev; /* prev window in Z-order */
user_handle_t handle; /* full handle for this window */
struct thread *thread; /* thread owning the window */
struct window_class *class; /* window class */
atom_t atom; /* class atom */
user_handle_t last_active; /* last active popup */
rectangle_t window_rect; /* window rectangle */
@ -260,6 +261,7 @@ static void destroy_window( struct window *win )
free_user_handle( win->handle );
destroy_properties( win );
unlink_window( win );
release_class( win->class );
if (win->text) free( win->text );
memset( win, 0x55, sizeof(*win) );
free( win );
@ -267,13 +269,23 @@ static void destroy_window( struct window *win )
/* create a new window structure (note: the window is not linked in the window tree) */
static struct window *create_window( struct window *parent, struct window *owner, atom_t atom,
int extra_bytes )
void *instance, int extra_bytes )
{
struct window *win = mem_alloc( sizeof(*win) + extra_bytes - 1 );
if (!win) return NULL;
struct window *win;
struct window_class *class = grab_class( current->process, atom, instance );
if (!class) return NULL;
win = mem_alloc( sizeof(*win) + extra_bytes - 1 );
if (!win)
{
release_class( class );
return NULL;
}
if (!(win->handle = alloc_user_handle( win, USER_WINDOW )))
{
release_class( class );
free( win );
return NULL;
}
@ -283,6 +295,7 @@ static struct window *create_window( struct window *parent, struct window *owner
win->last_child = NULL;
win->first_unlinked = NULL;
win->thread = current;
win->class = class;
win->atom = atom;
win->last_active = win->handle;
win->style = 0;
@ -449,6 +462,15 @@ user_handle_t find_window_to_repaint( user_handle_t parent, struct thread *threa
}
/* get the window class of a window */
struct window_class* get_window_class( user_handle_t window )
{
struct window *win;
if (!(win = get_window( window ))) return NULL;
return win->class;
}
/* create a window */
DECL_HANDLER(create_window)
{
@ -462,7 +484,7 @@ DECL_HANDLER(create_window)
{
if (!top_window)
{
if (!(top_window = create_window( NULL, NULL, req->atom, req->extra ))) return;
if (!(top_window = create_window( NULL, NULL, req->atom, req->instance, req->extra ))) return;
top_window->thread = NULL; /* no thread owns the desktop */
top_window->style = WS_POPUP | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
}
@ -481,7 +503,7 @@ DECL_HANDLER(create_window)
set_error( STATUS_ACCESS_DENIED );
return;
}
if (!(win = create_window( parent, owner, req->atom, req->extra ))) return;
if (!(win = create_window( parent, owner, req->atom, req->instance, req->extra ))) return;
reply->handle = win->handle;
}
}
@ -569,7 +591,7 @@ DECL_HANDLER(get_window_info)
{
reply->tid = get_thread_id( win->thread );
reply->pid = get_process_id( win->thread->process );
reply->atom = win->atom;
reply->atom = get_class_atom( win->class );
}
}
}
@ -648,7 +670,7 @@ DECL_HANDLER(get_window_children)
if (parent)
for (ptr = parent->first_child, total = 0; ptr; ptr = ptr->next)
{
if (req->atom && ptr->atom != req->atom) continue;
if (req->atom && get_class_atom(ptr->class) != req->atom) continue;
if (req->tid && get_thread_id(ptr->thread) != req->tid) continue;
total++;
}
@ -659,7 +681,7 @@ DECL_HANDLER(get_window_children)
{
for (ptr = parent->first_child; ptr && len; ptr = ptr->next)
{
if (req->atom && ptr->atom != req->atom) continue;
if (req->atom && get_class_atom(ptr->class) != req->atom) continue;
if (req->tid && get_thread_id(ptr->thread) != req->tid) continue;
*data++ = ptr->handle;
len -= sizeof(*data);

538
windows/class.c
View file

@ -1,8 +1,8 @@
/*
* Window classes functions
*
* Copyright 1993, 1996 Alexandre Julliard
* 1998 Juergen Schmied (jsch)
* Copyright 1993, 1996, 2003 Alexandre Julliard
* Copyright 1998 Juergen Schmied (jsch)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -17,18 +17,12 @@
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* FIXME: In win32 all classes are local. They are registered at
* program start. Processes CANNOT share classes. (Source: some
* win31->NT migration book)
*
* FIXME: There seems to be a general problem with hInstance in WINE
* classes are getting registered with wrong hInstance.
*/
#include "config.h"
#include "wine/port.h"
#include <assert.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
@ -46,16 +40,17 @@
#include "controls.h"
#include "dce.h"
#include "winproc.h"
#include "wine/server.h"
#include "wine/list.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(class);
typedef struct tagCLASS
{
struct tagCLASS *next; /* Next class */
struct tagCLASS *prev; /* Prev class */
UINT cWindows; /* Count of existing windows */
struct list entry; /* Entry in class list */
UINT style; /* Class style */
BOOL local; /* Local class? */
WNDPROC winprocA; /* Window procedure (ASCII) */
WNDPROC winprocW; /* Window procedure (Unicode) */
INT cbClsExtra; /* Class extra bytes */
@ -71,7 +66,10 @@ typedef struct tagCLASS
ATOM atomName; /* Name of the class */
} CLASS;
static CLASS *firstClass;
static struct list class_list = LIST_INIT( class_list );
static HMODULE user32_module;
#define CLASS_OTHER_PROCESS ((CLASS *)1)
/***********************************************************************
* get_class_ptr
@ -83,17 +81,13 @@ static CLASS *get_class_ptr( HWND hwnd, BOOL write_access )
if (ptr)
{
if (ptr != WND_OTHER_PROCESS) return ptr->class;
if (IsWindow( hwnd )) /* check other processes */
if (write_access && IsWindow( hwnd )) /* check other processes */
{
if (write_access)
{
/* modifying classes in other processes is not allowed */
SetLastError( ERROR_ACCESS_DENIED );
return NULL;
}
FIXME( "reading from class of other process window %p\n", hwnd );
/* DbgBreakPoint(); */
/* modifying classes in other processes is not allowed */
SetLastError( ERROR_ACCESS_DENIED );
return NULL;
}
return CLASS_OTHER_PROCESS;
}
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return NULL;
@ -109,6 +103,51 @@ inline static void release_class_ptr( CLASS *ptr )
}
/***********************************************************************
* set_server_info
*
* Set class info with the wine server.
*/
static BOOL set_server_info( HWND hwnd, INT offset, LONG newval )
{
BOOL ret;
SERVER_START_REQ( set_class_info )
{
req->window = hwnd;
req->extra_offset = -1;
switch(offset)
{
case GCW_ATOM:
req->flags = SET_CLASS_ATOM;
req->atom = newval;
case GCL_STYLE:
req->flags = SET_CLASS_STYLE;
req->style = newval;
break;
case GCL_CBWNDEXTRA:
req->flags = SET_CLASS_WINEXTRA;
req->win_extra = newval;
break;
case GCL_HMODULE:
req->flags = SET_CLASS_INSTANCE;
req->instance = (void *)newval;
break;
default:
assert( offset >= 0 );
req->flags = SET_CLASS_EXTRA;
req->extra_offset = offset;
req->extra_size = sizeof(newval);
memcpy( &req->extra_value, &newval, sizeof(newval) );
break;
}
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* CLASS_GetProc
*
@ -256,34 +295,35 @@ static void CLASS_SetMenuNameW( CLASS *classPtr, LPCWSTR name )
*/
static BOOL CLASS_FreeClass( CLASS *classPtr )
{
BOOL ret;
TRACE("%p\n", classPtr);
/* Check if we can remove this class */
if (classPtr->cWindows > 0)
SERVER_START_REQ( destroy_class )
{
SetLastError( ERROR_CLASS_HAS_WINDOWS );
return FALSE;
req->atom = classPtr->atomName;
req->instance = classPtr->hInstance;
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
/* Remove the class from the linked list */
if (ret)
{
list_remove( &classPtr->entry );
if (classPtr->next) classPtr->next->prev = classPtr->prev;
if (classPtr->prev) classPtr->prev->next = classPtr->next;
else firstClass = classPtr->next;
/* Delete the class */
/* Delete the class */
if (classPtr->dce) DCE_FreeDCE( classPtr->dce );
if (classPtr->hbrBackground > (HBRUSH)(COLOR_GRADIENTINACTIVECAPTION + 1))
DeleteObject( classPtr->hbrBackground );
GlobalDeleteAtom( classPtr->atomName );
WINPROC_FreeProc( classPtr->winprocA, WIN_PROC_CLASS );
WINPROC_FreeProc( classPtr->winprocW, WIN_PROC_CLASS );
UnMapLS( classPtr->segMenuName );
HeapFree( GetProcessHeap(), 0, classPtr->menuName );
HeapFree( GetProcessHeap(), 0, classPtr );
return TRUE;
if (classPtr->dce) DCE_FreeDCE( classPtr->dce );
if (classPtr->hbrBackground > (HBRUSH)(COLOR_GRADIENTINACTIVECAPTION + 1))
DeleteObject( classPtr->hbrBackground );
GlobalDeleteAtom( classPtr->atomName );
WINPROC_FreeProc( classPtr->winprocA, WIN_PROC_CLASS );
WINPROC_FreeProc( classPtr->winprocW, WIN_PROC_CLASS );
UnMapLS( classPtr->segMenuName );
HeapFree( GetProcessHeap(), 0, classPtr->menuName );
HeapFree( GetProcessHeap(), 0, classPtr );
}
return ret;
}
@ -292,15 +332,16 @@ static BOOL CLASS_FreeClass( CLASS *classPtr )
*/
void CLASS_FreeModuleClasses( HMODULE16 hModule )
{
CLASS *ptr, *next;
struct list *ptr, *next;
TRACE("0x%08x\n", hModule);
USER_Lock();
for (ptr = firstClass; ptr; ptr = next)
for (ptr = list_head( &class_list ); ptr; ptr = next)
{
next = ptr->next;
if (ptr->hInstance == HINSTANCE_32(hModule)) CLASS_FreeClass( ptr );
CLASS *class = LIST_ENTRY( ptr, CLASS, entry );
next = list_next( &class_list, ptr );
if (class->hInstance == HINSTANCE_32(hModule)) CLASS_FreeClass( class );
}
USER_Unlock();
}
@ -311,69 +352,23 @@ void CLASS_FreeModuleClasses( HMODULE16 hModule )
*
* Return a pointer to the class.
* hinstance has been normalized by the caller.
*
* NOTES
* 980805 a local class will be found now if registred with hInst=0
* and looed up with a hInst!=0. msmoney does it (jsch)
*
* Local class registered with a USER instance handle are found as if
* they were global classes.
*/
static CLASS *CLASS_FindClassByAtom( ATOM atom, HINSTANCE hinstance )
{
CLASS * class, *tclass = 0, *user_class = 0;
HINSTANCE16 hUser = GetModuleHandle16("USER");
struct list *ptr;
TRACE("0x%08x %p\n", atom, hinstance);
/* First search task-specific classes */
for (class = firstClass; (class); class = class->next)
LIST_FOR_EACH( ptr, &class_list )
{
if (class->style & CS_GLOBALCLASS) continue;
if (class->atomName == atom)
CLASS *class = LIST_ENTRY( ptr, CLASS, entry );
if (class->atomName != atom) continue;
if (!hinstance || !class->local || class->hInstance == hinstance)
{
if (hinstance==class->hInstance || hinstance == (HINSTANCE)0xffff)
{
TRACE("-- found local %p\n", class);
return class;
}
if (class->hInstance == 0) tclass = class;
else if(class->hInstance == HINSTANCE_32(hUser))
{
user_class = class;
}
}
}
/* Then search global classes */
for (class = firstClass; (class); class = class->next)
{
if (!(class->style & CS_GLOBALCLASS)) continue;
if (class->atomName == atom)
{
TRACE("-- found global %p\n", class);
TRACE("0x%04x %p -> %p\n", atom, hinstance, class);
return class;
}
}
/* Check if there was a local class registered with USER */
if( user_class )
{
TRACE("--found local USER class %p\n", user_class);
return user_class;
}
/* Then check if there was a local class with hInst=0*/
if ( tclass )
{
WARN("-- found local Class registred with hInst=0\n");
return tclass;
}
TRACE("-- not found\n");
return 0;
TRACE("0x%04x %p -> not found\n", atom, hinstance);
return NULL;
}
@ -382,28 +377,15 @@ static CLASS *CLASS_FindClassByAtom( ATOM atom, HINSTANCE hinstance )
*
* The real RegisterClass() functionality.
*/
static CLASS *CLASS_RegisterClass( ATOM atom, HINSTANCE hInstance,
static CLASS *CLASS_RegisterClass( ATOM atom, HINSTANCE hInstance, BOOL local,
DWORD style, INT classExtra, INT winExtra )
{
CLASS *classPtr;
BOOL ret;
TRACE("atom=0x%x hinst=%p style=0x%lx clExtr=0x%x winExtr=0x%x\n",
atom, hInstance, style, classExtra, winExtra );
/* Check if a class with this name already exists */
classPtr = CLASS_FindClassByAtom( atom, hInstance );
if (classPtr)
{
/* Class can be created only if it is local and */
/* if the class with the same name is global. */
if ((style & CS_GLOBALCLASS) || !(classPtr->style & CS_GLOBALCLASS))
{
SetLastError( ERROR_CLASS_ALREADY_EXISTS );
return NULL;
}
}
/* Fix the extra bytes value */
if (classExtra < 0) classExtra = 0;
@ -413,11 +395,28 @@ static CLASS *CLASS_RegisterClass( ATOM atom, HINSTANCE hInstance,
else if (winExtra > 40) /* Extra bytes are limited to 40 in Win32 */
WARN("Win extra bytes %d is > 40\n", winExtra );
/* Create the class */
classPtr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(CLASS) + classExtra );
if (!classPtr) return NULL;
SERVER_START_REQ( create_class )
{
req->local = local;
req->atom = atom;
req->style = style;
req->instance = hInstance;
req->extra = classExtra;
req->win_extra = winExtra;
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
if (!ret)
{
HeapFree( GetProcessHeap(), 0, classPtr );
return NULL;
}
classPtr->style = style;
classPtr->local = local;
classPtr->cbWndExtra = winExtra;
classPtr->cbClsExtra = classExtra;
classPtr->hInstance = hInstance;
@ -426,50 +425,27 @@ static CLASS *CLASS_RegisterClass( ATOM atom, HINSTANCE hInstance,
/* Other non-null values must be set by caller */
if ((classPtr->next = firstClass)) firstClass->prev = classPtr;
firstClass = classPtr;
if (local) list_add_head( &class_list, &classPtr->entry );
else list_add_tail( &class_list, &classPtr->entry );
return classPtr;
}
/***********************************************************************
* CLASS_UnregisterClass
*
* The real UnregisterClass() functionality.
*/
static BOOL CLASS_UnregisterClass( ATOM atom, HINSTANCE hInstance )
{
CLASS *classPtr;
BOOL ret = FALSE;
USER_Lock();
if (atom &&
(classPtr = CLASS_FindClassByAtom( atom, hInstance )) &&
(!hInstance || classPtr->hInstance == hInstance))
{
ret = CLASS_FreeClass( classPtr );
}
else SetLastError( ERROR_CLASS_DOES_NOT_EXIST );
USER_Unlock();
return ret;
}
/***********************************************************************
* CLASS_RegisterBuiltinClass
* register_builtin
*
* Register a builtin control class.
* This allows having both ASCII and Unicode winprocs for the same class.
*/
ATOM CLASS_RegisterBuiltinClass( const struct builtin_class_descr *descr )
static ATOM register_builtin( const struct builtin_class_descr *descr )
{
ATOM atom;
CLASS *classPtr;
if (!(atom = GlobalAddAtomA( descr->name ))) return 0;
if (!(classPtr = CLASS_RegisterClass( atom, 0, descr->style, 0, descr->extra )))
if (!(classPtr = CLASS_RegisterClass( atom, user32_module, FALSE,
descr->style, 0, descr->extra )))
{
GlobalDeleteAtom( atom );
return 0;
@ -486,6 +462,40 @@ ATOM CLASS_RegisterBuiltinClass( const struct builtin_class_descr *descr )
}
/***********************************************************************
* CLASS_RegisterBuiltinClasses
*/
void CLASS_RegisterBuiltinClasses( HMODULE user32 )
{
extern const struct builtin_class_descr BUTTON_builtin_class;
extern const struct builtin_class_descr COMBO_builtin_class;
extern const struct builtin_class_descr COMBOLBOX_builtin_class;
extern const struct builtin_class_descr DIALOG_builtin_class;
extern const struct builtin_class_descr DESKTOP_builtin_class;
extern const struct builtin_class_descr EDIT_builtin_class;
extern const struct builtin_class_descr ICONTITLE_builtin_class;
extern const struct builtin_class_descr LISTBOX_builtin_class;
extern const struct builtin_class_descr MDICLIENT_builtin_class;
extern const struct builtin_class_descr MENU_builtin_class;
extern const struct builtin_class_descr SCROLL_builtin_class;
extern const struct builtin_class_descr STATIC_builtin_class;
user32_module = user32;
register_builtin( &BUTTON_builtin_class );
register_builtin( &COMBO_builtin_class );
register_builtin( &COMBOLBOX_builtin_class );
register_builtin( &DIALOG_builtin_class );
register_builtin( &DESKTOP_builtin_class );
register_builtin( &EDIT_builtin_class );
register_builtin( &ICONTITLE_builtin_class );
register_builtin( &LISTBOX_builtin_class );
register_builtin( &MDICLIENT_builtin_class );
register_builtin( &MENU_builtin_class );
register_builtin( &SCROLL_builtin_class );
register_builtin( &STATIC_builtin_class );
}
/***********************************************************************
* CLASS_AddWindow
*
@ -499,7 +509,6 @@ CLASS *CLASS_AddWindow( ATOM atom, HINSTANCE inst, WINDOWPROCTYPE type,
if (type == WIN_PROC_16) inst = HINSTANCE_32(GetExePtr(HINSTANCE_16(inst)));
if (!(class = CLASS_FindClassByAtom( atom, inst ))) return NULL;
class->cWindows++;
if (type == WIN_PROC_32W)
{
@ -516,17 +525,6 @@ CLASS *CLASS_AddWindow( ATOM atom, HINSTANCE inst, WINDOWPROCTYPE type,
}
/***********************************************************************
* CLASS_RemoveWindow
*
* Remove a window from the class window count.
*/
void CLASS_RemoveWindow( CLASS *cls )
{
if (cls && cls->cWindows) cls->cWindows--;
}
/***********************************************************************
* RegisterClass (USER.57)
*/
@ -606,11 +604,14 @@ ATOM WINAPI RegisterClassEx16( const WNDCLASSEX16 *wc )
{
ATOM atom;
CLASS *classPtr;
HINSTANCE hInstance = HINSTANCE_32(GetExePtr( wc->hInstance ));
HINSTANCE hInstance;
if (!(hInstance = HINSTANCE_32(GetExePtr(wc->hInstance))))
hInstance = HINSTANCE_32(GetModuleHandle16(NULL));
if (!(atom = GlobalAddAtomA( MapSL(wc->lpszClassName) ))) return 0;
if (!(classPtr = CLASS_RegisterClass( atom, hInstance, wc->style,
wc->cbClsExtra, wc->cbWndExtra )))
if (!(classPtr = CLASS_RegisterClass( atom, hInstance, !(wc->style & CS_GLOBALCLASS),
wc->style, wc->cbClsExtra, wc->cbWndExtra )))
{
GlobalDeleteAtom( atom );
return 0;
@ -640,20 +641,28 @@ ATOM WINAPI RegisterClassExA( const WNDCLASSEXA* wc )
{
ATOM atom;
CLASS *classPtr;
HINSTANCE instance;
if (wc->hInstance == user32_module)
{
/* we can't register a class for user32 */
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
if (!(instance = wc->hInstance)) instance = GetModuleHandleW( NULL );
if (!(atom = GlobalAddAtomA( wc->lpszClassName ))) return 0;
if (!(classPtr = CLASS_RegisterClass( atom, wc->hInstance, wc->style,
wc->cbClsExtra, wc->cbWndExtra )))
if (!(classPtr = CLASS_RegisterClass( atom, instance, !(wc->style & CS_GLOBALCLASS),
wc->style, wc->cbClsExtra, wc->cbWndExtra )))
{
GlobalDeleteAtom( atom );
return 0;
}
TRACE("atom=%04x wndproc=%p hinst=%p bg=%p style=%08x clsExt=%d winExt=%d class=%p\n",
atom, wc->lpfnWndProc, wc->hInstance,
wc->hbrBackground, wc->style, wc->cbClsExtra,
wc->cbWndExtra, classPtr );
atom, wc->lpfnWndProc, instance, wc->hbrBackground,
wc->style, wc->cbClsExtra, wc->cbWndExtra, classPtr );
classPtr->hIcon = wc->hIcon;
classPtr->hIconSm = wc->hIconSm;
@ -672,20 +681,28 @@ ATOM WINAPI RegisterClassExW( const WNDCLASSEXW* wc )
{
ATOM atom;
CLASS *classPtr;
HINSTANCE instance;
if (wc->hInstance == user32_module)
{
/* we can't register a class for user32 */
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
if (!(instance = wc->hInstance)) instance = GetModuleHandleW( NULL );
if (!(atom = GlobalAddAtomW( wc->lpszClassName ))) return 0;
if (!(classPtr = CLASS_RegisterClass( atom, wc->hInstance, wc->style,
wc->cbClsExtra, wc->cbWndExtra )))
if (!(classPtr = CLASS_RegisterClass( atom, instance, !(wc->style & CS_GLOBALCLASS),
wc->style, wc->cbClsExtra, wc->cbWndExtra )))
{
GlobalDeleteAtom( atom );
return 0;
}
TRACE("atom=%04x wndproc=%p hinst=%p bg=%p style=%08x clsExt=%d winExt=%d class=%p\n",
atom, wc->lpfnWndProc, wc->hInstance,
wc->hbrBackground, wc->style, wc->cbClsExtra,
wc->cbWndExtra, classPtr );
atom, wc->lpfnWndProc, instance, wc->hbrBackground,
wc->style, wc->cbClsExtra, wc->cbWndExtra, classPtr );
classPtr->hIcon = wc->hIcon;
classPtr->hIconSm = wc->hIconSm;
@ -702,17 +719,17 @@ ATOM WINAPI RegisterClassExW( const WNDCLASSEXW* wc )
*/
BOOL16 WINAPI UnregisterClass16( LPCSTR className, HINSTANCE16 hInstance )
{
if (hInstance == GetModuleHandle16("user")) hInstance = 0;
return UnregisterClassA( className, HINSTANCE_32(GetExePtr( hInstance )) );
}
/***********************************************************************
* UnregisterClassA (USER32.@)
*
*/
BOOL WINAPI UnregisterClassA( LPCSTR className, HINSTANCE hInstance )
{
TRACE("%s %p\n",debugstr_a(className), hInstance);
return CLASS_UnregisterClass( GlobalFindAtomA( className ), hInstance );
ATOM atom = HIWORD(className) ? GlobalFindAtomA( className ) : LOWORD(className);
return UnregisterClassW( MAKEINTATOMW(atom), hInstance );
}
/***********************************************************************
@ -720,8 +737,22 @@ BOOL WINAPI UnregisterClassA( LPCSTR className, HINSTANCE hInstance )
*/
BOOL WINAPI UnregisterClassW( LPCWSTR className, HINSTANCE hInstance )
{
TRACE("%s %p\n",debugstr_w(className), hInstance);
return CLASS_UnregisterClass( GlobalFindAtomW( className ), hInstance );
CLASS *classPtr;
BOOL ret = FALSE;
ATOM atom = HIWORD(className) ? GlobalFindAtomW( className ) : LOWORD(className);
TRACE("%s %p %x\n",debugstr_w(className), hInstance, atom);
if (!hInstance) hInstance = GetModuleHandleW( NULL );
USER_Lock();
if (atom && (classPtr = CLASS_FindClassByAtom( atom, hInstance )))
{
ret = CLASS_FreeClass( classPtr );
}
else SetLastError( ERROR_CLASS_DOES_NOT_EXIST );
USER_Unlock();
return ret;
}
@ -739,6 +770,21 @@ WORD WINAPI GetClassWord( HWND hwnd, INT offset )
if (!(class = get_class_ptr( hwnd, FALSE ))) return 0;
if (class == CLASS_OTHER_PROCESS)
{
SERVER_START_REQ( set_class_info )
{
req->window = hwnd;
req->flags = 0;
req->extra_offset = offset;
req->extra_size = sizeof(retvalue);
if (!wine_server_call_err( req ))
memcpy( &retvalue, &reply->old_extra_value, sizeof(retvalue) );
}
SERVER_END_REQ;
return retvalue;
}
if (offset <= class->cbClsExtra - sizeof(WORD))
memcpy( &retvalue, (char *)(class + 1) + offset, sizeof(retvalue) );
else
@ -763,17 +809,22 @@ LONG WINAPI GetClassLong16( HWND16 hwnd16, INT16 offset )
{
case GCL_WNDPROC:
if (!(class = get_class_ptr( hwnd, FALSE ))) return 0;
if (class == CLASS_OTHER_PROCESS) break;
ret = (LONG)CLASS_GetProc( class, WIN_PROC_16 );
release_class_ptr( class );
return ret;
case GCL_MENUNAME:
if (!(class = get_class_ptr( hwnd, FALSE ))) return 0;
if (class == CLASS_OTHER_PROCESS) break;
ret = (LONG)CLASS_GetMenuName16( class );
release_class_ptr( class );
return ret;
default:
return GetClassLongA( hwnd, offset );
}
FIXME( "offset %d not supported on other process window %p\n", offset, hwnd );
SetLastError( ERROR_INVALID_HANDLE );
return 0;
}
@ -789,6 +840,53 @@ LONG WINAPI GetClassLongW( HWND hwnd, INT offset )
if (!(class = get_class_ptr( hwnd, FALSE ))) return 0;
if (class == CLASS_OTHER_PROCESS)
{
SERVER_START_REQ( set_class_info )
{
req->window = hwnd;
req->flags = 0;
req->extra_offset = (offset >= 0) ? offset : -1;
req->extra_size = (offset >= 0) ? sizeof(retvalue) : 0;
if (!wine_server_call_err( req ))
{
switch(offset)
{
case GCL_HBRBACKGROUND:
case GCL_HCURSOR:
case GCL_HICON:
case GCL_HICONSM:
case GCL_WNDPROC:
case GCL_MENUNAME:
FIXME( "offset %d not supported on other process window %p\n", offset, hwnd );
SetLastError( ERROR_INVALID_HANDLE );
break;
case GCL_STYLE:
retvalue = reply->old_style;
break;
case GCL_CBWNDEXTRA:
retvalue = reply->old_win_extra;
break;
case GCL_CBCLSEXTRA:
retvalue = reply->old_extra;
break;
case GCL_HMODULE:
retvalue = (LONG)reply->old_instance;
break;
case GCW_ATOM:
retvalue = reply->old_atom;
break;
default:
if (offset >= 0) memcpy( &retvalue, &reply->old_extra_value, sizeof(retvalue) );
else SetLastError( ERROR_INVALID_INDEX );
break;
}
}
}
SERVER_END_REQ;
return retvalue;
}
if (offset >= 0)
{
if (offset <= class->cbClsExtra - sizeof(LONG))
@ -858,6 +956,13 @@ LONG WINAPI GetClassLongA( HWND hwnd, INT offset )
if (!(class = get_class_ptr( hwnd, FALSE ))) return 0;
if (class == CLASS_OTHER_PROCESS)
{
FIXME( "offset %d not supported on other process window %p\n", offset, hwnd );
SetLastError( ERROR_INVALID_HANDLE );
return 0;
}
if (offset == GCL_WNDPROC)
retvalue = (LONG)CLASS_GetProc( class, WIN_PROC_32A );
else /* GCL_MENUNAME */
@ -882,14 +987,21 @@ WORD WINAPI SetClassWord( HWND hwnd, INT offset, WORD newval )
if (!(class = get_class_ptr( hwnd, TRUE ))) return 0;
if (offset <= class->cbClsExtra - sizeof(WORD))
SERVER_START_REQ( set_class_info )
{
void *ptr = (char *)(class + 1) + offset;
memcpy( &retval, ptr, sizeof(retval) );
memcpy( ptr, &newval, sizeof(newval) );
req->window = hwnd;
req->flags = SET_CLASS_EXTRA;
req->extra_offset = offset;
req->extra_size = sizeof(newval);
memcpy( &req->extra_value, &newval, sizeof(newval) );
if (!wine_server_call_err( req ))
{
void *ptr = (char *)(class + 1) + offset;
memcpy( &retval, ptr, sizeof(retval) );
memcpy( ptr, &newval, sizeof(newval) );
}
}
else SetLastError( ERROR_INVALID_INDEX );
SERVER_END_REQ;
release_class_ptr( class );
return retval;
}
@ -936,13 +1048,12 @@ LONG WINAPI SetClassLongW( HWND hwnd, INT offset, LONG newval )
if (offset >= 0)
{
if (offset <= class->cbClsExtra - sizeof(LONG))
if (set_server_info( hwnd, offset, newval ))
{
void *ptr = (char *)(class + 1) + offset;
memcpy( &retval, ptr, sizeof(retval) );
memcpy( ptr, &newval, sizeof(newval) );
}
else SetLastError( ERROR_INVALID_INDEX );
}
else switch(offset)
{
@ -970,18 +1081,22 @@ LONG WINAPI SetClassLongW( HWND hwnd, INT offset, LONG newval )
class->hIconSm = (HICON)newval;
break;
case GCL_STYLE:
if (!set_server_info( hwnd, offset, newval )) break;
retval = (LONG)class->style;
class->style = newval;
break;
case GCL_CBWNDEXTRA:
if (!set_server_info( hwnd, offset, newval )) break;
retval = (LONG)class->cbWndExtra;
class->cbWndExtra = newval;
break;
case GCL_HMODULE:
if (!set_server_info( hwnd, offset, newval )) break;
retval = (LONG)class->hInstance;
class->hInstance = (HINSTANCE)newval;
break;
case GCW_ATOM:
if (!set_server_info( hwnd, offset, newval )) break;
retval = (DWORD)class->atomName;
class->atomName = newval;
break;
@ -1149,20 +1264,21 @@ BOOL WINAPI GetClassInfoW( HINSTANCE hInstance, LPCWSTR name, WNDCLASSW *wc )
*/
BOOL16 WINAPI GetClassInfoEx16( HINSTANCE16 hInst16, SEGPTR name, WNDCLASSEX16 *wc )
{
ATOM atom;
ATOM atom = HIWORD(name) ? GlobalFindAtomA( MapSL(name) ) : LOWORD(name);
CLASS *classPtr;
HINSTANCE hInstance = HINSTANCE_32(GetExePtr( hInst16 ));
HINSTANCE hInstance;
TRACE("%p %s %p\n",hInstance,debugstr_a( MapSL(name) ), wc);
if (hInst16 == GetModuleHandle16("user")) hInstance = user32_module;
else hInstance = HINSTANCE_32(GetExePtr( hInst16 ));
if (!(atom = GlobalFindAtomA( MapSL(name) )) ||
!(classPtr = CLASS_FindClassByAtom( atom, hInstance )) ||
(hInstance != classPtr->hInstance)) return FALSE;
TRACE("%p %s %x %p\n", hInstance, debugstr_a( MapSL(name) ), atom, wc);
if (!atom || !(classPtr = CLASS_FindClassByAtom( atom, hInstance ))) return FALSE;
wc->style = classPtr->style;
wc->lpfnWndProc = CLASS_GetProc( classPtr, WIN_PROC_16 );
wc->cbClsExtra = (INT16)classPtr->cbClsExtra;
wc->cbWndExtra = (INT16)classPtr->cbWndExtra;
wc->hInstance = HINSTANCE_16(classPtr->hInstance);
wc->hInstance = (classPtr->hInstance == user32_module) ? GetModuleHandle16("user") : HINSTANCE_16(classPtr->hInstance);
wc->hIcon = HICON_16(classPtr->hIcon);
wc->hIconSm = HICON_16(classPtr->hIconSm);
wc->hCursor = HCURSOR_16(classPtr->hCursor);
@ -1179,22 +1295,25 @@ BOOL16 WINAPI GetClassInfoEx16( HINSTANCE16 hInst16, SEGPTR name, WNDCLASSEX16 *
/***********************************************************************
* GetClassInfoExA (USER32.@)
*/
BOOL WINAPI GetClassInfoExA( HINSTANCE hInstance, LPCSTR name,
WNDCLASSEXA *wc )
BOOL WINAPI GetClassInfoExA( HINSTANCE hInstance, LPCSTR name, WNDCLASSEXA *wc )
{
ATOM atom;
ATOM atom = HIWORD(name) ? GlobalFindAtomA( name ) : LOWORD(name);
CLASS *classPtr;
TRACE("%p %p %p\n",hInstance, name, wc);
TRACE("%p %s %x %p\n", hInstance, debugstr_a(name), atom, wc);
if (!(atom = GlobalFindAtomA( name )) ||
!(classPtr = CLASS_FindClassByAtom( atom, hInstance ))
/*|| (hInstance != classPtr->hInstance) */ ) return FALSE;
if (!hInstance) hInstance = user32_module;
if (!atom || !(classPtr = CLASS_FindClassByAtom( atom, hInstance )))
{
SetLastError( ERROR_CLASS_DOES_NOT_EXIST );
return FALSE;
}
wc->style = classPtr->style;
wc->lpfnWndProc = (WNDPROC)CLASS_GetProc( classPtr, WIN_PROC_32A );
wc->cbClsExtra = classPtr->cbClsExtra;
wc->cbWndExtra = classPtr->cbWndExtra;
wc->hInstance = classPtr->hInstance;
wc->hInstance = (hInstance == user32_module) ? 0 : hInstance;
wc->hIcon = (HICON)classPtr->hIcon;
wc->hIconSm = (HICON)classPtr->hIconSm;
wc->hCursor = (HCURSOR)classPtr->hCursor;
@ -1210,22 +1329,25 @@ BOOL WINAPI GetClassInfoExA( HINSTANCE hInstance, LPCSTR name,
/***********************************************************************
* GetClassInfoExW (USER32.@)
*/
BOOL WINAPI GetClassInfoExW( HINSTANCE hInstance, LPCWSTR name,
WNDCLASSEXW *wc )
BOOL WINAPI GetClassInfoExW( HINSTANCE hInstance, LPCWSTR name, WNDCLASSEXW *wc )
{
ATOM atom;
ATOM atom = HIWORD(name) ? GlobalFindAtomW( name ) : LOWORD(name);
CLASS *classPtr;
TRACE("%p %p %p\n",hInstance, name, wc);
TRACE("%p %s %x %p\n", hInstance, debugstr_w(name), atom, wc);
if (!(atom = GlobalFindAtomW( name )) ||
!(classPtr = CLASS_FindClassByAtom( atom, hInstance )) ||
(hInstance != classPtr->hInstance)) return FALSE;
if (!hInstance) hInstance = user32_module;
if (!atom || !(classPtr = CLASS_FindClassByAtom( atom, hInstance )))
{
SetLastError( ERROR_CLASS_DOES_NOT_EXIST );
return FALSE;
}
wc->style = classPtr->style;
wc->lpfnWndProc = (WNDPROC)CLASS_GetProc( classPtr, WIN_PROC_32W );
wc->cbClsExtra = classPtr->cbClsExtra;
wc->cbWndExtra = classPtr->cbWndExtra;
wc->hInstance = classPtr->hInstance;
wc->hInstance = (hInstance == user32_module) ? 0 : hInstance;
wc->hIcon = (HICON)classPtr->hIcon;
wc->hIconSm = (HICON)classPtr->hIconSm;
wc->hCursor = (HCURSOR)classPtr->hCursor;

88
windows/win.c
View file

@ -62,23 +62,34 @@ static void *user_handles[NB_USER_HANDLES];
*
* Create a window handle with the server.
*/
static WND *create_window_handle( HWND parent, HWND owner, ATOM atom, unsigned int extra_bytes )
static WND *create_window_handle( HWND parent, HWND owner, ATOM atom,
HINSTANCE instance, WINDOWPROCTYPE type )
{
BOOL res;
user_handle_t handle = 0;
WORD index;
WND *win = HeapAlloc( GetProcessHeap(), 0, sizeof(WND) + extra_bytes - sizeof(win->wExtra) );
WND *win;
DCE *dce;
INT extra_bytes;
DWORD clsStyle;
WNDPROC winproc;
struct tagCLASS *class;
user_handle_t handle = 0;
if (!win) return NULL;
if (!(class = CLASS_AddWindow( atom, instance, type, &extra_bytes, &winproc, &clsStyle, &dce )))
return NULL;
if (!(win = HeapAlloc( GetProcessHeap(), 0, sizeof(WND) + extra_bytes - sizeof(win->wExtra) )))
return NULL;
USER_Lock();
SERVER_START_REQ( create_window )
{
req->parent = parent;
req->owner = owner;
req->atom = atom;
req->extra = extra_bytes;
req->parent = parent;
req->owner = owner;
req->atom = atom;
req->instance = instance;
req->extra = extra_bytes;
if ((res = !wine_server_call_err( req ))) handle = reply->handle;
}
SERVER_END_REQ;
@ -92,9 +103,15 @@ static WND *create_window_handle( HWND parent, HWND owner, ATOM atom, unsigned i
index = LOWORD(handle) - FIRST_USER_HANDLE;
assert( index < NB_USER_HANDLES );
user_handles[index] = win;
win->hwndSelf = handle;
win->dwMagic = WND_MAGIC;
win->irefCount = 1;
win->hwndSelf = handle;
win->dwMagic = WND_MAGIC;
win->irefCount = 1;
win->class = class;
win->winproc = winproc;
win->dce = dce;
win->clsStyle = clsStyle;
win->cbWndExtra = extra_bytes;
memset( win->wExtra, 0, extra_bytes );
return win;
}
@ -669,7 +686,6 @@ LRESULT WIN_DestroyWindow( HWND hwnd )
DCE_FreeWindowDCE( hwnd ); /* Always do this to catch orphaned DCs */
USER_Driver.pDestroyWindow( hwnd );
WINPROC_FreeProc( wndPtr->winproc, WIN_PROC_WINDOW );
CLASS_RemoveWindow( wndPtr->class );
wndPtr->class = NULL;
wndPtr->dwMagic = 0; /* Mark it as invalid */
WIN_ReleaseWndPtr( wndPtr );
@ -705,41 +721,28 @@ void WIN_DestroyThreadWindows( HWND hwnd )
*/
BOOL WIN_CreateDesktopWindow(void)
{
struct tagCLASS *class;
HWND hwndDesktop;
INT wndExtra;
DWORD clsStyle;
WNDPROC winproc;
DCE *dce;
CREATESTRUCTA cs;
RECT rect;
TRACE("Creating desktop window\n");
if (!WINPOS_CreateInternalPosAtom() ||
!(class = CLASS_AddWindow( (ATOM)LOWORD(DESKTOP_CLASS_ATOM), 0, WIN_PROC_32W,
&wndExtra, &winproc, &clsStyle, &dce )))
return FALSE;
if (!WINPOS_CreateInternalPosAtom()) return FALSE;
pWndDesktop = create_window_handle( 0, 0, LOWORD(DESKTOP_CLASS_ATOM), wndExtra );
pWndDesktop = create_window_handle( 0, 0, LOWORD(DESKTOP_CLASS_ATOM), 0, WIN_PROC_32W );
if (!pWndDesktop) return FALSE;
hwndDesktop = pWndDesktop->hwndSelf;
pWndDesktop->tid = 0; /* nobody owns the desktop */
pWndDesktop->parent = 0;
pWndDesktop->owner = 0;
pWndDesktop->class = class;
pWndDesktop->text = NULL;
pWndDesktop->hrgnUpdate = 0;
pWndDesktop->clsStyle = clsStyle;
pWndDesktop->dce = NULL;
pWndDesktop->pVScroll = NULL;
pWndDesktop->pHScroll = NULL;
pWndDesktop->helpContext = 0;
pWndDesktop->flags = 0;
pWndDesktop->hSysMenu = 0;
pWndDesktop->winproc = winproc;
pWndDesktop->cbWndExtra = wndExtra;
cs.lpCreateParams = NULL;
cs.hInstance = 0;
@ -970,13 +973,8 @@ static HWND WIN_CreateWindowEx( CREATESTRUCTA *cs, ATOM classAtom,
WINDOWPROCTYPE type )
{
INT sw = SW_SHOW;
struct tagCLASS *classPtr;
WND *wndPtr;
HWND hwnd, parent, owner;
INT wndExtra;
DWORD clsStyle;
WNDPROC winproc;
DCE *dce;
BOOL unicode = (type == WIN_PROC_32W);
TRACE("%s %s ex=%08lx style=%08lx %d,%d %dx%d parent=%p menu=%p inst=%p params=%p\n",
@ -1021,14 +1019,6 @@ static HWND WIN_CreateWindowEx( CREATESTRUCTA *cs, ATOM classAtom,
return 0; /* WS_CHILD needs a parent, but WS_POPUP doesn't */
}
/* Find the window class */
if (!(classPtr = CLASS_AddWindow( classAtom, cs->hInstance, type,
&wndExtra, &winproc, &clsStyle, &dce )))
{
WARN("Bad class '%s'\n", cs->lpszClass );
return 0;
}
WIN_FixCoordinates(cs, &sw); /* fix default coordinates */
/* Correct the window style - stage 1
@ -1052,7 +1042,7 @@ static HWND WIN_CreateWindowEx( CREATESTRUCTA *cs, ATOM classAtom,
/* Create the window structure */
if (!(wndPtr = create_window_handle( parent, owner, classAtom, wndExtra )))
if (!(wndPtr = create_window_handle( parent, owner, classAtom, cs->hInstance, type )))
{
TRACE("out of memory\n" );
return 0;
@ -1064,15 +1054,12 @@ static HWND WIN_CreateWindowEx( CREATESTRUCTA *cs, ATOM classAtom,
wndPtr->tid = GetCurrentThreadId();
wndPtr->owner = owner;
wndPtr->parent = parent;
wndPtr->class = classPtr;
wndPtr->winproc = winproc;
wndPtr->hInstance = cs->hInstance;
wndPtr->text = NULL;
wndPtr->hrgnUpdate = 0;
wndPtr->hrgnWnd = 0;
wndPtr->dwStyle = cs->style & ~WS_VISIBLE;
wndPtr->dwExStyle = cs->dwExStyle;
wndPtr->clsStyle = clsStyle;
wndPtr->wIDmenu = 0;
wndPtr->helpContext = 0;
wndPtr->flags = (type == WIN_PROC_16) ? 0 : WIN_ISWIN32;
@ -1080,9 +1067,6 @@ static HWND WIN_CreateWindowEx( CREATESTRUCTA *cs, ATOM classAtom,
wndPtr->pHScroll = NULL;
wndPtr->userdata = 0;
wndPtr->hSysMenu = (wndPtr->dwStyle & WS_SYSMENU) ? MENU_GetSysMenu( hwnd, 0 ) : 0;
wndPtr->cbWndExtra = wndExtra;
if (wndExtra) memset( wndPtr->wExtra, 0, wndExtra);
/* Correct the window style - stage 2 */
@ -1109,9 +1093,7 @@ static HWND WIN_CreateWindowEx( CREATESTRUCTA *cs, ATOM classAtom,
/* Get class or window DC if needed */
if (clsStyle & CS_OWNDC) wndPtr->dce = DCE_AllocDCE(hwnd,DCE_WINDOW_DC);
else if (clsStyle & CS_CLASSDC) wndPtr->dce = dce;
else wndPtr->dce = NULL;
if (wndPtr->clsStyle & CS_OWNDC) wndPtr->dce = DCE_AllocDCE(hwnd,DCE_WINDOW_DC);
/* Set the window menu */
@ -1248,9 +1230,6 @@ HWND WINAPI CreateWindowExA( DWORD exStyle, LPCSTR className,
CREATESTRUCTA cs;
char buffer[256];
if(!instance)
instance=GetModuleHandleA(NULL);
if(exStyle & WS_EX_MDICHILD)
return CreateMDIWindowA(className, windowName, style, x, y, width, height, parent, instance, (LPARAM)data);
@ -1307,9 +1286,6 @@ HWND WINAPI CreateWindowExW( DWORD exStyle, LPCWSTR className,
CREATESTRUCTW cs;
WCHAR buffer[256];
if(!instance)
instance=GetModuleHandleW(NULL);
if(exStyle & WS_EX_MDICHILD)
return CreateMDIWindowW(className, windowName, style, x, y, width, height, parent, instance, (LPARAM)data);