GdkPixbuf *
_gtk_icon_cache_get_icon (GtkIconCache *cache,
const gchar *icon_name,
gint directory_index)
{
guint32 offset, image_data_offset, pixel_data_offset;
guint32 length, type;
GdkPixbuf *pixbuf;
GdkPixdata pixdata;
GError *error = NULL;
offset = find_image_offset (cache, icon_name, directory_index);
image_data_offset = GET_UINT32 (cache->buffer, offset + 4);
if (!image_data_offset)
return NULL;
pixel_data_offset = GET_UINT32 (cache->buffer, image_data_offset);
type = GET_UINT32 (cache->buffer, pixel_data_offset);
if (type != 0)
{
GTK_NOTE (ICONTHEME,
g_print ("invalid pixel data type %u\n", type));
return NULL;
}
length = GET_UINT32 (cache->buffer, pixel_data_offset + 4);
if (!gdk_pixdata_deserialize (&pixdata, length,
(guchar *)(cache->buffer + pixel_data_offset + 8),
&error))
{
GTK_NOTE (ICONTHEME,
g_print ("could not deserialize data: %s\n", error->message));
g_error_free (error);
return NULL;
}
pixbuf = gdk_pixbuf_new_from_data (pixdata.pixel_data, GDK_COLORSPACE_RGB,
(pixdata.pixdata_type & GDK_PIXDATA_COLOR_TYPE_MASK) == GDK_PIXDATA_COLOR_TYPE_RGBA,
8, pixdata.width, pixdata.height, pixdata.rowstride,
(GdkPixbufDestroyNotify)pixbuf_destroy_cb,
cache);
if (!pixbuf)
{
GTK_NOTE (ICONTHEME,
g_print ("could not convert pixdata to pixbuf: %s\n", error->message));
g_error_free (error);
return NULL;
}
_gtk_icon_cache_ref (cache);
return pixbuf;
}
static void
_get_read_data (GtkCupsRequest *request)
{
char buffer[_GTK_CUPS_MAX_CHUNK_SIZE];
gsize bytes;
gsize bytes_written;
GIOStatus io_status;
GError *error;
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s\n", G_STRFUNC));
error = NULL;
request->poll_state = GTK_CUPS_HTTP_READ;
#if HAVE_CUPS_API_1_2
bytes = httpRead2 (request->http, buffer, sizeof (buffer));
#else
bytes = httpRead (request->http, buffer, sizeof (buffer));
#endif /* HAVE_CUPS_API_1_2 */
request->bytes_received += bytes;
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %" G_GSIZE_FORMAT " bytes read\n", bytes));
io_status =
g_io_channel_write_chars (request->data_io,
buffer,
bytes,
&bytes_written,
&error);
if (io_status == G_IO_STATUS_ERROR)
{
request->state = GTK_CUPS_GET_DONE;
request->poll_state = GTK_CUPS_HTTP_IDLE;
gtk_cups_result_set_error (request->result,
GTK_CUPS_ERROR_IO,
io_status,
error->code,
error->message);
g_error_free (error);
}
/* Stop if we do not expect any more data or EOF was received. */
#if HAVE_CUPS_API_1_2
if (httpGetLength2 (request->http) <= request->bytes_received || bytes == 0)
#else
if (httpGetLength (request->http) <= request->bytes_received || bytes == 0)
#endif /* HAVE_CUPS_API_1_2 */
{
request->state = GTK_CUPS_GET_DONE;
request->poll_state = GTK_CUPS_HTTP_IDLE;
return;
}
}
static void
_get_read_data (GtkCupsRequest *request)
{
char buffer[_GTK_CUPS_MAX_CHUNK_SIZE];
gsize bytes;
gsize bytes_written;
GIOStatus io_status;
GError *error;
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s\n", G_STRFUNC));
error = NULL;
request->poll_state = GTK_CUPS_HTTP_READ;
#if HAVE_CUPS_API_1_2
bytes = httpRead2 (request->http, buffer, sizeof (buffer));
#else
bytes = httpRead (request->http, buffer, sizeof (buffer));
#endif /* HAVE_CUPS_API_1_2 */
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %i bytes read\n", bytes));
if (bytes == 0)
{
request->state = GTK_CUPS_GET_DONE;
request->poll_state = GTK_CUPS_HTTP_IDLE;
return;
}
io_status =
g_io_channel_write_chars (request->data_io,
buffer,
bytes,
&bytes_written,
&error);
if (io_status == G_IO_STATUS_ERROR)
{
request->state = GTK_CUPS_GET_DONE;
request->poll_state = GTK_CUPS_HTTP_IDLE;
gtk_cups_result_set_error (request->result,
GTK_CUPS_ERROR_IO,
io_status,
error->code,
error->message);
g_error_free (error);
}
}
static void
_get_send (GtkCupsRequest *request)
{
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s\n", G_STRFUNC));
request->poll_state = GTK_CUPS_HTTP_WRITE;
if (request->data_io == NULL)
{
gtk_cups_result_set_error (request->result,
GTK_CUPS_ERROR_IO,
G_IO_STATUS_ERROR,
G_IO_CHANNEL_ERROR_FAILED,
"Get requires an open io channel");
request->state = GTK_CUPS_GET_DONE;
request->poll_state = GTK_CUPS_HTTP_IDLE;
return;
}
httpClearFields (request->http);
#ifdef HAVE_HTTPGETAUTHSTRING
httpSetField (request->http, HTTP_FIELD_AUTHORIZATION, httpGetAuthString (request->http));
#else
#ifdef HAVE_HTTP_AUTHSTRING
httpSetField (request->http, HTTP_FIELD_AUTHORIZATION, request->http->authstring);
#endif
#endif
if (httpGet (request->http, request->resource))
{
if (httpReconnect (request->http))
{
request->state = GTK_CUPS_GET_DONE;
request->poll_state = GTK_CUPS_HTTP_IDLE;
/* TODO: should add a status or error code for failed GET */
gtk_cups_result_set_error (request->result,
GTK_CUPS_ERROR_GENERAL,
0,
0,
"Failed Get");
}
request->attempts++;
return;
}
if (httpCheck (request->http))
request->last_status = httpUpdate (request->http);
request->attempts = 0;
request->state = GTK_CUPS_GET_CHECK;
request->poll_state = GTK_CUPS_HTTP_READ;
ippSetState (request->ipp_request, IPP_IDLE);
}
static void
_post_send (GtkCupsRequest *request)
{
gchar length[255];
struct stat data_info;
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s\n", G_STRFUNC));
request->poll_state = GTK_CUPS_HTTP_WRITE;
if (request->data_io != NULL)
{
fstat (g_io_channel_unix_get_fd (request->data_io), &data_info);
sprintf (length, "%lu", (unsigned long) (ippLength (request->ipp_request) + data_info.st_size));
}
else
sprintf (length, "%lu", (unsigned long) ippLength (request->ipp_request));
httpClearFields (request->http);
httpSetField (request->http, HTTP_FIELD_CONTENT_LENGTH, length);
httpSetField (request->http, HTTP_FIELD_CONTENT_TYPE, "application/ipp");
#ifdef HAVE_HTTPGETAUTHSTRING
httpSetField (request->http, HTTP_FIELD_AUTHORIZATION, httpGetAuthString (request->http));
#else
#ifdef HAVE_HTTP_AUTHSTRING
httpSetField (request->http, HTTP_FIELD_AUTHORIZATION, request->http->authstring);
#endif
#endif
if (httpPost (request->http, request->resource))
{
if (httpReconnect (request->http))
{
request->state = GTK_CUPS_POST_DONE;
request->poll_state = GTK_CUPS_HTTP_IDLE;
/* TODO: should add a status or error code for failed post */
gtk_cups_result_set_error (request->result,
GTK_CUPS_ERROR_GENERAL,
0,
0,
"Failed Post");
}
request->attempts++;
return;
}
request->attempts = 0;
request->state = GTK_CUPS_POST_WRITE_REQUEST;
ippSetState (request->ipp_request, IPP_IDLE);
}
void
gtk_icon_cache_unref (GtkIconCache *cache)
{
cache->ref_count --;
if (cache->ref_count == 0)
{
GTK_NOTE (ICONTHEME, g_message ("unmapping icon cache"));
if (cache->map)
g_mapped_file_unref (cache->map);
g_free (cache);
}
}
static gboolean
gtk_theme_engine_load (GTypeModule *module)
{
GtkThemeEngine *engine = GTK_THEME_ENGINE (module);
gchar *engine_path;
engine_path = gtk_rc_find_module_in_path (engine->name);
if (!engine_path)
{
g_warning (_("Unable to locate theme engine in module_path: \"%s\","),
engine->name);
return FALSE;
}
/* load the lib */
GTK_NOTE (MISC, g_message ("Loading Theme %s\n", engine_path));
engine->library = g_module_open (engine_path, G_MODULE_BIND_LAZY | G_MODULE_BIND_LOCAL);
g_free(engine_path);
if (!engine->library)
{
g_warning (g_module_error());
return FALSE;
}
/* extract symbols from the lib */
if (!g_module_symbol (engine->library, "theme_init",
(gpointer *)&engine->init) ||
!g_module_symbol (engine->library, "theme_exit",
(gpointer *)&engine->exit) ||
!g_module_symbol (engine->library, "theme_create_rc_style",
(gpointer *)&engine->create_rc_style))
{
g_warning (g_module_error());
g_module_close (engine->library);
return FALSE;
}
/* call the theme's init (theme_init) function to let it */
/* setup anything it needs to set up. */
engine->init (module);
return TRUE;
}
static void
_post_read_response (GtkCupsRequest *request)
{
ipp_state_t ipp_status;
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s\n", G_STRFUNC));
request->poll_state = GTK_CUPS_HTTP_READ;
if (request->result->ipp_response == NULL)
request->result->ipp_response = ippNew();
ipp_status = ippRead (request->http,
request->result->ipp_response);
if (ipp_status == IPP_ERROR)
{
int ipp_error = cupsLastError ();
gtk_cups_result_set_error (request->result,
GTK_CUPS_ERROR_IPP,
ipp_status,
ipp_error,
"%s",
ippErrorString (ipp_error));
ippDelete (request->result->ipp_response);
request->result->ipp_response = NULL;
request->state = GTK_CUPS_POST_DONE;
request->poll_state = GTK_CUPS_HTTP_IDLE;
}
else if (ipp_status == IPP_DATA)
{
request->state = GTK_CUPS_POST_DONE;
request->poll_state = GTK_CUPS_HTTP_IDLE;
}
}
static void
_post_write_request (GtkCupsRequest *request)
{
ipp_state_t ipp_status;
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s\n", G_STRFUNC));
request->poll_state = GTK_CUPS_HTTP_WRITE;
ipp_status = ippWrite (request->http, request->ipp_request);
if (ipp_status == IPP_ERROR)
{
int cups_error = cupsLastError ();
request->state = GTK_CUPS_POST_DONE;
request->poll_state = GTK_CUPS_HTTP_IDLE;
gtk_cups_result_set_error (request->result,
GTK_CUPS_ERROR_IPP,
ipp_status,
cups_error,
"%s",
ippErrorString (cups_error));
return;
}
if (ipp_status == IPP_DATA)
{
if (request->data_io != NULL)
request->state = GTK_CUPS_POST_WRITE_DATA;
else
{
request->state = GTK_CUPS_POST_CHECK;
request->poll_state = GTK_CUPS_HTTP_READ;
}
}
}
/**
* _gtk_xembed_send_message:
* @recipient: (allow-none): window to which to send the window, or %NULL
* in which case nothing will be sent
* @message: type of message
* @detail: detail field of message
* @data1: data1 field of message
* @data2: data2 field of message
*
* Sends a generic XEMBED message to a particular window.
**/
void
_gtk_xembed_send_message (GdkWindow *recipient,
XEmbedMessageType message,
glong detail,
glong data1,
glong data2)
{
GdkDisplay *display;
XClientMessageEvent xclient;
if (!recipient)
return;
g_return_if_fail (GDK_IS_WINDOW (recipient));
display = gdk_window_get_display (recipient);
GTK_NOTE (PLUGSOCKET,
g_message ("Sending %s", _gtk_xembed_message_name (message)));
memset (&xclient, 0, sizeof (xclient));
xclient.window = GDK_WINDOW_XID (recipient);
xclient.type = ClientMessage;
xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "_XEMBED");
xclient.format = 32;
xclient.data.l[0] = gtk_xembed_get_time ();
xclient.data.l[1] = message;
xclient.data.l[2] = detail;
xclient.data.l[3] = data1;
xclient.data.l[4] = data2;
gdk_x11_display_error_trap_push (display);
XSendEvent (GDK_WINDOW_XDISPLAY(recipient),
GDK_WINDOW_XID (recipient),
False, NoEventMask, (XEvent *)&xclient);
gdk_x11_display_error_trap_pop_ignored (display);
}
static void
_post_write_data (GtkCupsRequest *request)
{
gsize bytes;
char buffer[_GTK_CUPS_MAX_CHUNK_SIZE];
http_status_t http_status;
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s\n", G_STRFUNC));
request->poll_state = GTK_CUPS_HTTP_WRITE;
if (httpCheck (request->http))
http_status = httpUpdate (request->http);
else
http_status = request->last_status;
request->last_status = http_status;
if (http_status == HTTP_CONTINUE || http_status == HTTP_OK)
{
GIOStatus io_status;
GError *error;
error = NULL;
/* send data */
io_status =
g_io_channel_read_chars (request->data_io,
buffer,
_GTK_CUPS_MAX_CHUNK_SIZE,
&bytes,
&error);
if (io_status == G_IO_STATUS_ERROR)
{
request->state = GTK_CUPS_POST_DONE;
request->poll_state = GTK_CUPS_HTTP_IDLE;
gtk_cups_result_set_error (request->result,
GTK_CUPS_ERROR_IO,
io_status,
error->code,
"Error reading from cache file: %s",
error->message);
g_error_free (error);
return;
}
else if (bytes == 0 && io_status == G_IO_STATUS_EOF)
{
request->state = GTK_CUPS_POST_CHECK;
request->poll_state = GTK_CUPS_HTTP_READ;
request->attempts = 0;
return;
}
if (httpWrite2 (request->http, buffer, bytes) < bytes)
{
int http_errno;
http_errno = httpError (request->http);
request->state = GTK_CUPS_POST_DONE;
request->poll_state = GTK_CUPS_HTTP_IDLE;
gtk_cups_result_set_error (request->result,
GTK_CUPS_ERROR_HTTP,
http_status,
http_errno,
"Error writing to socket in Post %s",
g_strerror (http_errno));
return;
}
}
else if (http_status == HTTP_UNAUTHORIZED)
{
request->state = GTK_CUPS_POST_CHECK;
request->poll_state = GTK_CUPS_HTTP_READ;
request->attempts = 0;
return;
}
else
{
request->attempts++;
}
}
GtkIconCache *
gtk_icon_cache_new_for_path (const gchar *path)
{
GtkIconCache *cache = NULL;
GMappedFile *map;
gchar *cache_filename;
gint fd = -1;
GStatBuf st;
GStatBuf path_st;
/* Check if we have a cache file */
cache_filename = g_build_filename (path, "icon-theme.cache", NULL);
GTK_NOTE (ICONTHEME, g_message ("look for icon cache in %s", path));
if (g_stat (path, &path_st) < 0)
goto done;
/* Open the file and map it into memory */
fd = g_open (cache_filename, O_RDONLY|_O_BINARY, 0);
if (fd < 0)
goto done;
#ifdef G_OS_WIN32
/* Bug 660730: _fstat32 is only defined in msvcrt80.dll+/VS 2005+ */
/* or possibly in the msvcrt.dll linked to by the Windows DDK */
/* (will need to check on the Windows DDK part later) */
#if ((defined (_MSC_VER) && (_MSC_VER >= 1400 || __MSVCRT_VERSION__ >= 0x0800)) || defined (__MINGW64_VERSION_MAJOR)) && !defined(_WIN64)
#undef fstat /* Just in case */
#define fstat _fstat32
#endif
#endif
if (fstat (fd, &st) < 0 || st.st_size < 4)
goto done;
/* Verify cache is uptodate */
if (st.st_mtime < path_st.st_mtime)
{
GTK_NOTE (ICONTHEME, g_message ("icon cache outdated"));
goto done;
}
map = g_mapped_file_new (cache_filename, FALSE, NULL);
if (!map)
goto done;
#ifdef G_ENABLE_DEBUG
if (GTK_DEBUG_CHECK (ICONTHEME))
{
CacheInfo info;
info.cache = g_mapped_file_get_contents (map);
info.cache_size = g_mapped_file_get_length (map);
info.n_directories = 0;
info.flags = CHECK_OFFSETS|CHECK_STRINGS;
if (!gtk_icon_cache_validate (&info))
{
g_mapped_file_unref (map);
g_warning ("Icon cache '%s' is invalid", cache_filename);
goto done;
}
}
#endif
GTK_NOTE (ICONTHEME, g_message ("found icon cache for %s", path));
cache = g_new0 (GtkIconCache, 1);
cache->ref_count = 1;
cache->map = map;
cache->buffer = g_mapped_file_get_contents (map);
done:
g_free (cache_filename);
if (fd >= 0)
close (fd);
return cache;
}
GtkIconCache *
_gtk_icon_cache_new_for_path (const gchar *path)
{
GtkIconCache *cache = NULL;
GMappedFile *map;
gchar *cache_filename;
gint fd = -1;
struct stat st;
struct stat path_st;
CacheInfo info;
/* Check if we have a cache file */
cache_filename = g_build_filename (path, "icon-theme.cache", NULL);
GTK_NOTE (ICONTHEME,
g_print ("look for cache in %s\n", path));
if (g_stat (path, &path_st) < 0)
goto done;
/* Open the file and map it into memory */
fd = g_open (cache_filename, O_RDONLY|_O_BINARY, 0);
if (fd < 0)
goto done;
if (fstat (fd, &st) < 0 || st.st_size < 4)
goto done;
/* Verify cache is uptodate */
if (st.st_mtime < path_st.st_mtime)
{
GTK_NOTE (ICONTHEME,
g_print ("cache outdated\n"));
goto done;
}
map = g_mapped_file_new (cache_filename, FALSE, NULL);
if (!map)
goto done;
info.cache = g_mapped_file_get_contents (map);
info.cache_size = g_mapped_file_get_length (map);
info.n_directories = 0;
info.flags = CHECK_OFFSETS|CHECK_STRINGS;
#ifdef G_ENABLE_DEBUG
if (gtk_debug_flags & GTK_DEBUG_ICONTHEME)
{
if (!_gtk_icon_cache_validate (&info))
{
g_mapped_file_free (map);
g_warning ("Icon cache '%s' is invalid\n", cache_filename);
goto done;
}
}
#endif
GTK_NOTE (ICONTHEME, g_print ("found cache for %s\n", path));
cache = g_new0 (GtkIconCache, 1);
cache->ref_count = 1;
cache->map = map;
cache->buffer = g_mapped_file_get_contents (map);
done:
g_free (cache_filename);
if (fd >= 0)
close (fd);
return cache;
}
/**
* _gtk_key_hash_lookup:
* @key_hash: a #GtkKeyHash
* @hardware_keycode: hardware keycode field from a #GdkEventKey
* @state: state field from a #GdkEventKey
* @mask: mask of modifiers to consider when matching against the
* modifiers in entries.
* @group: group field from a #GdkEventKey
*
* Looks up the best matching entry or entries in the hash table for
* a given event. The results are sorted so that entries with less
* modifiers come before entries with more modifiers.
*
* The matches returned by this function can be exact (i.e. keycode, level
* and group all match) or fuzzy (i.e. keycode and level match, but group
* does not). As long there are any exact matches, only exact matches
* are returned. If there are no exact matches, fuzzy matches will be
* returned, as long as they are not shadowing a possible exact match.
* This means that fuzzy matches won’t be considered if their keyval is
* present in the current group.
*
* Return value: A newly-allocated #GSList of matching entries.
* Free with g_slist_free() when no longer needed.
*/
GSList *
_gtk_key_hash_lookup (GtkKeyHash *key_hash,
guint16 hardware_keycode,
GdkModifierType state,
GdkModifierType mask,
gint group)
{
GHashTable *keycode_hash = key_hash_get_keycode_hash (key_hash);
GSList *keys = g_hash_table_lookup (keycode_hash, GUINT_TO_POINTER ((guint)hardware_keycode));
GSList *results = NULL;
GSList *l;
gboolean have_exact = FALSE;
guint keyval;
gint effective_group;
gint level;
GdkModifierType modifiers;
GdkModifierType consumed_modifiers;
GdkModifierType shift_group_mask;
gboolean group_mod_is_accel_mod = FALSE;
const GdkModifierType xmods = GDK_MOD2_MASK|GDK_MOD3_MASK|GDK_MOD4_MASK|GDK_MOD5_MASK;
const GdkModifierType vmods = GDK_SUPER_MASK|GDK_HYPER_MASK|GDK_META_MASK;
/* We don't want Caps_Lock to affect keybinding lookups.
*/
state &= ~GDK_LOCK_MASK;
_gtk_translate_keyboard_accel_state (key_hash->keymap,
hardware_keycode, state, mask, group,
&keyval,
&effective_group, &level, &consumed_modifiers);
/* if the group-toggling modifier is part of the default accel mod
* mask, and it is active, disable it for matching
*/
shift_group_mask = gdk_keymap_get_modifier_mask (key_hash->keymap,
GDK_MODIFIER_INTENT_SHIFT_GROUP);
if (mask & shift_group_mask)
group_mod_is_accel_mod = TRUE;
gdk_keymap_map_virtual_modifiers (key_hash->keymap, &mask);
gdk_keymap_add_virtual_modifiers (key_hash->keymap, &state);
GTK_NOTE (KEYBINDINGS,
g_message ("Looking up keycode = %u, modifiers = 0x%04x,\n"
" keyval = %u, group = %d, level = %d, consumed_modifiers = 0x%04x",
hardware_keycode, state, keyval, effective_group, level, consumed_modifiers));
if (keys)
{
GSList *tmp_list = keys;
while (tmp_list)
{
GtkKeyHashEntry *entry = tmp_list->data;
/* If the virtual Super, Hyper or Meta modifiers are present,
* they will also be mapped to some of the Mod2 - Mod5 modifiers,
* so we compare them twice, ignoring either set.
* We accept combinations involving virtual modifiers only if they
* are mapped to separate modifiers; i.e. if Super and Hyper are
* both mapped to Mod4, then pressing a key that is mapped to Mod4
* will not match a Super+Hyper entry.
*/
modifiers = entry->modifiers;
if (gdk_keymap_map_virtual_modifiers (key_hash->keymap, &modifiers) &&
((modifiers & ~consumed_modifiers & mask & ~vmods) == (state & ~consumed_modifiers & mask & ~vmods) ||
(modifiers & ~consumed_modifiers & mask & ~xmods) == (state & ~consumed_modifiers & mask & ~xmods)))
{
gint i;
if (keyval == entry->keyval && /* Exact match */
/* but also match for group if it is an accel mod, because
* otherwise we can get multiple exact matches, some being
* bogus */
(!group_mod_is_accel_mod ||
(state & shift_group_mask) == (entry->modifiers & shift_group_mask)))
{
GTK_NOTE (KEYBINDINGS,
g_message (" found exact match, keyval = %u, modifiers = 0x%04x",
entry->keyval, entry->modifiers));
if (!have_exact)
{
g_slist_free (results);
results = NULL;
}
have_exact = TRUE;
results = g_slist_prepend (results, entry);
}
if (!have_exact)
{
for (i = 0; i < entry->n_keys; i++)
{
if (entry->keys[i].keycode == hardware_keycode &&
entry->keys[i].level == level &&
/* Only match for group if it's an accel mod */
(!group_mod_is_accel_mod ||
entry->keys[i].group == effective_group))
{
GTK_NOTE (KEYBINDINGS,
g_message (" found group = %d, level = %d",
entry->keys[i].group, entry->keys[i].level));
results = g_slist_prepend (results, entry);
break;
}
}
}
}
tmp_list = tmp_list->next;
}
}
if (!have_exact && results)
{
/* If there are fuzzy matches, check that the current group doesn't also
* define these keyvals; if yes, discard results because a widget up in
* the stack may have an exact match and we don't want to 'steal' it.
*/
guint oldkeyval = 0;
GtkKeyHashEntry *keyhashentry;
results = sort_lookup_results_by_keyval (results);
for (l = results; l; l = l->next)
{
keyhashentry = l->data;
if (l == results || oldkeyval != keyhashentry->keyval)
{
oldkeyval = keyhashentry->keyval;
if (keyval_in_group (key_hash->keymap, oldkeyval, group))
{
g_slist_free (results);
return NULL;
}
}
}
}
results = sort_lookup_results (results);
for (l = results; l; l = l->next)
l->data = ((GtkKeyHashEntry *)l->data)->value;
return results;
}
static GdkPixbuf *
render_icon (GtkStyle *style,
const GtkIconSource *source,
GtkTextDirection direction,
GtkStateType state,
GtkIconSize size,
GtkWidget *widget,
const gchar *detail)
{
int width = 1;
int height = 1;
GdkPixbuf *scaled;
GdkPixbuf *stated;
GdkPixbuf *base_pixbuf;
GdkScreen *screen;
GtkSettings *settings;
/* Oddly, style can be NULL in this function, because
* GtkIconSet can be used without a style and if so
* it uses this function.
*/
base_pixbuf = gtk_icon_source_get_pixbuf (source);
g_return_val_if_fail (base_pixbuf != NULL, NULL);
if (widget && gtk_widget_has_screen (widget))
{
screen = gtk_widget_get_screen (widget);
settings = gtk_settings_get_for_screen (screen);
}
else if (style->colormap)
{
screen = gdk_colormap_get_screen (style->colormap);
settings = gtk_settings_get_for_screen (screen);
}
else
{
settings = gtk_settings_get_default ();
GTK_NOTE (MULTIHEAD,
g_warning ("Using the default screen for gtk_default_render_icon()"));
}
if (size != (GtkIconSize) -1 && !gtk_icon_size_lookup_for_settings (settings, size, &width, &height))
{
g_warning (G_STRLOC ": invalid icon size '%d'", size);
return NULL;
}
/* If the size was wildcarded, and we're allowed to scale, then scale; otherwise,
* leave it alone.
*/
if (size != (GtkIconSize)-1 && gtk_icon_source_get_size_wildcarded (source))
scaled = scale_or_ref (base_pixbuf, width, height);
else
scaled = g_object_ref (base_pixbuf);
/* If the state was wildcarded, then generate a state. */
if (gtk_icon_source_get_state_wildcarded (source))
{
if (state == GTK_STATE_INSENSITIVE)
{
stated = set_transparency (scaled, 0.3);
gdk_pixbuf_saturate_and_pixelate (stated, stated, 0.1, FALSE);
g_object_unref (scaled);
}
else if (state == GTK_STATE_PRELIGHT)
{
stated = gdk_pixbuf_copy (scaled);
gdk_pixbuf_saturate_and_pixelate (scaled, stated, 1.2, FALSE);
g_object_unref (scaled);
}
else
{
stated = scaled;
}
}
else
stated = scaled;
return stated;
}
/**
* _gtk_key_hash_lookup:
* @key_hash: a #GtkKeyHash
* @hardware_keycode: hardware keycode field from a #GdkEventKey
* @state: state field from a #GdkEventKey
* @mask: mask of modifiers to consider when matching against the
* modifiers in entries.
* @group: group field from a #GdkEventKey
*
* Looks up the best matching entry or entries in the hash table for
* a given event. The results are sorted so that entries with less
* modifiers come before entries with more modifiers.
*
* Return value: A #GSList of all matching entries. If there were exact
* matches, they are returned, otherwise all fuzzy matches are
* returned. (A fuzzy match is a match in keycode and level, but not
* in group.)
**/
GSList *
_gtk_key_hash_lookup (GtkKeyHash *key_hash,
guint16 hardware_keycode,
GdkModifierType state,
GdkModifierType mask,
gint group)
{
GHashTable *keycode_hash = key_hash_get_keycode_hash (key_hash);
GSList *keys = g_hash_table_lookup (keycode_hash, GUINT_TO_POINTER ((guint)hardware_keycode));
GSList *results = NULL;
GSList *l;
gboolean have_exact = FALSE;
guint keyval;
gint effective_group;
gint level;
GdkModifierType consumed_modifiers;
/* We don't want Caps_Lock to affect keybinding lookups.
*/
state &= ~GDK_LOCK_MASK;
gdk_keymap_translate_keyboard_state (key_hash->keymap,
hardware_keycode, state, group,
&keyval, &effective_group, &level, &consumed_modifiers);
GTK_NOTE (KEYBINDINGS,
g_message ("Looking up keycode = %u, modifiers = 0x%04x,\n"
" keyval = %u, group = %d, level = %d, consumed_modifiers = 0x%04x",
hardware_keycode, state, keyval, effective_group, level, consumed_modifiers));
if (keys)
{
GSList *tmp_list = keys;
while (tmp_list)
{
GtkKeyHashEntry *entry = tmp_list->data;
GdkModifierType xmods, vmods;
/* If the virtual super, hyper or meta modifiers are present,
* they will also be mapped to some of the mod2 - mod5 modifiers,
* so we compare them twice, ignoring either set.
*/
xmods = GDK_MOD2_MASK|GDK_MOD3_MASK|GDK_MOD4_MASK|GDK_MOD5_MASK;
vmods = GDK_SUPER_MASK|GDK_HYPER_MASK|GDK_META_MASK;
if ((entry->modifiers & ~consumed_modifiers & mask & ~vmods) == (state & ~consumed_modifiers & mask & ~vmods) ||
(entry->modifiers & ~consumed_modifiers & mask & ~xmods) == (state & ~consumed_modifiers & mask & ~xmods))
{
gint i;
if (keyval == entry->keyval) /* Exact match */
{
GTK_NOTE (KEYBINDINGS,
g_message (" found exact match, keyval = %u, modifiers = 0x%04x",
entry->keyval, entry->modifiers));
if (!have_exact)
{
g_slist_free (results);
results = NULL;
}
have_exact = TRUE;
results = g_slist_prepend (results, entry);
}
if (!have_exact)
{
for (i = 0; i < entry->n_keys; i++)
{
if (entry->keys[i].keycode == hardware_keycode &&
entry->keys[i].level == level) /* Match for all but group */
{
GTK_NOTE (KEYBINDINGS,
g_message (" found group = %d, level = %d",
entry->keys[i].group, entry->keys[i].level));
results = g_slist_prepend (results, entry);
break;
}
}
}
}
tmp_list = tmp_list->next;
}
}
results = sort_lookup_results (results);
for (l = results; l; l = l->next)
l->data = ((GtkKeyHashEntry *)l->data)->value;
return results;
}
static void
_post_check (GtkCupsRequest *request)
{
http_status_t http_status;
http_status = request->last_status;
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s - status %i\n", G_STRFUNC, http_status));
request->poll_state = GTK_CUPS_HTTP_READ;
if (http_status == HTTP_CONTINUE)
{
goto again;
}
else if (http_status == HTTP_UNAUTHORIZED)
{
int auth_result = -1;
httpFlush (request->http);
if (request->password_state == GTK_CUPS_PASSWORD_APPLIED)
{
request->poll_state = GTK_CUPS_HTTP_IDLE;
request->password_state = GTK_CUPS_PASSWORD_NOT_VALID;
request->state = GTK_CUPS_POST_AUTH;
request->need_password = TRUE;
return;
}
/* Negotiate */
if (strncmp (httpGetField (request->http, HTTP_FIELD_WWW_AUTHENTICATE), "Negotiate", 9) == 0)
{
auth_result = cupsDoAuthentication (request->http, "POST", request->resource);
}
/* Basic, BasicDigest, Digest and PeerCred */
else
{
if (request->password_state == GTK_CUPS_PASSWORD_NONE)
{
cups_username = request->username;
cupsSetPasswordCB (passwordCB);
/* This call success for PeerCred authentication */
auth_result = cupsDoAuthentication (request->http, "POST", request->resource);
if (auth_result != 0)
{
/* move to AUTH state to let the backend
* ask for a password
*/
request->poll_state = GTK_CUPS_HTTP_IDLE;
request->state = GTK_CUPS_POST_AUTH;
request->need_password = TRUE;
return;
}
}
else
{
cups_password = request->password;
cups_username = request->username;
auth_result = cupsDoAuthentication (request->http, "POST", request->resource);
if (cups_password != NULL)
return;
if (request->password != NULL)
{
memset (request->password, 0, strlen (request->password));
g_free (request->password);
request->password = NULL;
}
request->password_state = GTK_CUPS_PASSWORD_APPLIED;
}
}
if (auth_result ||
httpReconnect (request->http))
{
/* if the password has been used, reset password_state
* so that we ask for a new one next time around
*/
if (cups_password == NULL)
request->password_state = GTK_CUPS_PASSWORD_NONE;
request->state = GTK_CUPS_POST_DONE;
request->poll_state = GTK_CUPS_HTTP_IDLE;
gtk_cups_result_set_error (request->result,
GTK_CUPS_ERROR_AUTH,
0,
0,
"Not authorized");
return;
}
if (request->data_io != NULL)
g_io_channel_seek_position (request->data_io, 0, G_SEEK_SET, NULL);
request->state = GTK_CUPS_POST_CONNECT;
request->poll_state = GTK_CUPS_HTTP_WRITE;
}
else if (http_status == HTTP_ERROR)
{
int error = httpError (request->http);
#ifdef G_OS_WIN32
if (error != WSAENETDOWN && error != WSAENETUNREACH)
#else
if (error != ENETDOWN && error != ENETUNREACH)
#endif /* G_OS_WIN32 */
{
request->attempts++;
goto again;
}
else
{
request->state = GTK_CUPS_POST_DONE;
request->poll_state = GTK_CUPS_HTTP_IDLE;
gtk_cups_result_set_error (request->result,
GTK_CUPS_ERROR_HTTP,
http_status,
error,
"Unknown HTTP error");
return;
}
}
else if (http_status == HTTP_UPGRADE_REQUIRED)
{
/* Flush any error message... */
httpFlush (request->http);
cupsSetEncryption (HTTP_ENCRYPT_REQUIRED);
request->state = GTK_CUPS_POST_CONNECT;
/* Reconnect... */
httpReconnect (request->http);
/* Upgrade with encryption... */
httpEncryption (request->http, HTTP_ENCRYPT_REQUIRED);
request->attempts++;
goto again;
}
else if (http_status != HTTP_OK)
{
int http_errno;
http_errno = httpError (request->http);
if (http_errno == EPIPE)
request->state = GTK_CUPS_POST_CONNECT;
else
{
request->state = GTK_CUPS_POST_DONE;
gtk_cups_result_set_error (request->result,
GTK_CUPS_ERROR_HTTP,
http_status,
http_errno,
"HTTP Error in POST %s",
g_strerror (http_errno));
request->poll_state = GTK_CUPS_HTTP_IDLE;
httpFlush (request->http);
return;
}
request->poll_state = GTK_CUPS_HTTP_IDLE;
request->last_status = HTTP_CONTINUE;
httpFlush (request->http);
if (request->own_http)
httpClose (request->http);
request->http = NULL;
return;
}
else
{
request->state = GTK_CUPS_POST_READ_RESPONSE;
return;
}
again:
http_status = HTTP_CONTINUE;
if (httpCheck (request->http))
http_status = httpUpdate (request->http);
request->last_status = http_status;
}
static void
parse_object (GMarkupParseContext *context,
ParserData *data,
const gchar *element_name,
const gchar **names,
const gchar **values,
GError **error)
{
ObjectInfo *object_info;
ChildInfo* child_info;
GType object_type = G_TYPE_INVALID;
const gchar *object_class = NULL;
const gchar *constructor = NULL;
const gchar *type_func = NULL;
const gchar *object_id = NULL;
gchar *internal_id = NULL;
gint line;
child_info = state_peek_info (data, ChildInfo);
if (child_info && strcmp (child_info->tag.name, "object") == 0)
{
error_invalid_tag (data, element_name, NULL, error);
return;
}
if (!g_markup_collect_attributes (element_name, names, values, error,
G_MARKUP_COLLECT_STRING|G_MARKUP_COLLECT_OPTIONAL, "class", &object_class,
G_MARKUP_COLLECT_STRING|G_MARKUP_COLLECT_OPTIONAL, "constructor", &constructor,
G_MARKUP_COLLECT_STRING|G_MARKUP_COLLECT_OPTIONAL, "type-func", &type_func,
G_MARKUP_COLLECT_STRING|G_MARKUP_COLLECT_OPTIONAL, "id", &object_id,
G_MARKUP_COLLECT_INVALID))
{
_gtk_builder_prefix_error (data->builder, data->ctx, error);
return;
}
if (type_func)
{
/* Call the GType function, and return the GType, it's guaranteed afterwards
* that g_type_from_name on the name will return our GType
*/
object_type = _get_type_by_symbol (type_func);
if (object_type == G_TYPE_INVALID)
{
g_set_error (error,
GTK_BUILDER_ERROR,
GTK_BUILDER_ERROR_INVALID_TYPE_FUNCTION,
"Invalid type function '%s'", type_func);
_gtk_builder_prefix_error (data->builder, context, error);
return;
}
}
else if (object_class)
{
object_type = gtk_builder_get_type_from_name (data->builder, object_class);
if (object_type == G_TYPE_INVALID)
{
g_set_error (error,
GTK_BUILDER_ERROR,
GTK_BUILDER_ERROR_INVALID_VALUE,
"Invalid object type '%s'", object_class);
_gtk_builder_prefix_error (data->builder, context, error);
return;
}
}
else
{
error_missing_attribute (data, element_name, "class", error);
return;
}
if (!object_id)
{
internal_id = g_strdup_printf ("___object_%d___", ++data->object_counter);
object_id = internal_id;
}
++data->cur_object_level;
/* check if we reached a requested object (if it is specified) */
if (data->requested_objects && !data->inside_requested_object)
{
if (is_requested_object (object_id, data))
{
data->requested_object_level = data->cur_object_level;
GTK_NOTE (BUILDER,
g_message ("requested object \"%s\" found at level %d",
object_id, data->requested_object_level));
data->inside_requested_object = TRUE;
}
else
{
g_free (internal_id);
return;
}
}
object_info = g_slice_new0 (ObjectInfo);
object_info->tag.name = element_name;
object_info->type = object_type;
object_info->oclass = g_type_class_ref (object_type);
object_info->id = (internal_id) ? internal_id : g_strdup (object_id);
object_info->constructor = g_strdup (constructor);
object_info->parent = (CommonInfo*)child_info;
state_push (data, object_info);
line = GPOINTER_TO_INT (g_hash_table_lookup (data->object_ids, object_id));
if (line != 0)
{
g_set_error (error,
GTK_BUILDER_ERROR,
GTK_BUILDER_ERROR_DUPLICATE_ID,
"Duplicate object ID '%s' (previously on line %d)",
object_id, line);
_gtk_builder_prefix_error (data->builder, context, error);
return;
}
g_markup_parse_context_get_position (context, &line, NULL);
g_hash_table_insert (data->object_ids, g_strdup (object_id), GINT_TO_POINTER (line));
}
static void
end_element (GMarkupParseContext *context,
const gchar *element_name,
gpointer user_data,
GError **error)
{
ParserData *data = (ParserData*)user_data;
GTK_NOTE (BUILDER, g_message ("</%s>", element_name));
if (data->subparser && data->subparser->start)
{
subparser_end (context, element_name, data, error);
return;
}
if (strcmp (element_name, "requires") == 0)
{
RequiresInfo *req_info = state_pop_info (data, RequiresInfo);
/* TODO: Allow third party widget developers to check thier
* required versions, possibly throw a signal allowing them
* to check thier library versions here.
*/
if (!strcmp (req_info->library, "gtk+"))
{
if (!GTK_CHECK_VERSION (req_info->major, req_info->minor, 0))
{
g_set_error (error,
GTK_BUILDER_ERROR,
GTK_BUILDER_ERROR_VERSION_MISMATCH,
"Required %s version %d.%d, current version is %d.%d",
req_info->library,
req_info->major, req_info->minor,
GTK_MAJOR_VERSION, GTK_MINOR_VERSION);
_gtk_builder_prefix_error (data->builder, context, error);
}
}
free_requires_info (req_info, NULL);
}
else if (strcmp (element_name, "interface") == 0)
{
}
else if (data->requested_objects && !data->inside_requested_object)
{
/* If outside a requested object, simply ignore this tag */
}
else if (strcmp (element_name, "menu") == 0)
{
_gtk_builder_menu_end (data);
}
else if (strcmp (element_name, "object") == 0 ||
strcmp (element_name, "template") == 0)
{
ObjectInfo *object_info = state_pop_info (data, ObjectInfo);
ChildInfo* child_info = state_peek_info (data, ChildInfo);
if (data->requested_objects && data->inside_requested_object &&
(data->cur_object_level == data->requested_object_level))
{
GTK_NOTE (BUILDER,
g_message ("requested object end found at level %d",
data->requested_object_level));
data->inside_requested_object = FALSE;
}
--data->cur_object_level;
g_assert (data->cur_object_level >= 0);
object_info->object = builder_construct (data, object_info, error);
if (!object_info->object)
{
free_object_info (object_info);
return;
}
if (child_info)
child_info->object = object_info->object;
if (GTK_IS_BUILDABLE (object_info->object) &&
GTK_BUILDABLE_GET_IFACE (object_info->object)->parser_finished)
data->finalizers = g_slist_prepend (data->finalizers, object_info->object);
_gtk_builder_add_signals (data->builder, object_info->signals);
free_object_info (object_info);
}
else if (strcmp (element_name, "property") == 0)
{
PropertyInfo *prop_info = state_pop_info (data, PropertyInfo);
CommonInfo *info = state_peek_info (data, CommonInfo);
g_assert (info != NULL);
/* Normal properties */
if (strcmp (info->tag.name, "object") == 0 ||
strcmp (info->tag.name, "template") == 0)
{
ObjectInfo *object_info = (ObjectInfo*)info;
if (prop_info->translatable && prop_info->text->len)
{
const gchar *translated;
translated = _gtk_builder_parser_translate (data->domain,
prop_info->context,
prop_info->text->str);
g_string_assign (prop_info->text, translated);
}
object_info->properties = g_slist_prepend (object_info->properties, prop_info);
}
else
g_assert_not_reached ();
}
else if (strcmp (element_name, "child") == 0)
{
ChildInfo *child_info = state_pop_info (data, ChildInfo);
_gtk_builder_add (data->builder, child_info);
free_child_info (child_info);
}
else if (strcmp (element_name, "signal") == 0)
{
SignalInfo *signal_info = state_pop_info (data, SignalInfo);
ObjectInfo *object_info = (ObjectInfo*)state_peek_info (data, CommonInfo);
g_assert (object_info != NULL);
signal_info->object_name = g_strdup (object_info->id);
object_info->signals = g_slist_prepend (object_info->signals, signal_info);
}
else if (strcmp (element_name, "placeholder") == 0)
{
}
else
{
g_set_error (error,
GTK_BUILDER_ERROR,
GTK_BUILDER_ERROR_UNHANDLED_TAG,
"Unhandled tag: <%s>", element_name);
_gtk_builder_prefix_error (data->builder, context, error);
}
}
static void
parse_object (GMarkupParseContext *context,
ParserData *data,
const gchar *element_name,
const gchar **names,
const gchar **values,
GError **error)
{
ObjectInfo *object_info;
ChildInfo* child_info;
int i;
gchar *object_class = NULL;
gchar *object_id = NULL;
gchar *constructor = NULL;
gint line, line2;
child_info = state_peek_info (data, ChildInfo);
if (child_info && strcmp (child_info->tag.name, "object") == 0)
{
error_invalid_tag (data, element_name, NULL, error);
return;
}
for (i = 0; names[i] != NULL; i++)
{
if (strcmp (names[i], "class") == 0)
object_class = g_strdup (values[i]);
else if (strcmp (names[i], "id") == 0)
object_id = g_strdup (values[i]);
else if (strcmp (names[i], "constructor") == 0)
constructor = g_strdup (values[i]);
else if (strcmp (names[i], "type-func") == 0)
{
/* Call the GType function, and return the name of the GType,
* it's guaranteed afterwards that g_type_from_name on the name
* will return our GType
*/
object_class = _get_type_by_symbol (values[i]);
if (!object_class)
{
g_markup_parse_context_get_position (context, &line, NULL);
g_set_error (error, GTK_BUILDER_ERROR,
GTK_BUILDER_ERROR_INVALID_TYPE_FUNCTION,
_("Invalid type function on line %d: '%s'"),
line, values[i]);
return;
}
}
else
{
error_invalid_attribute (data, element_name, names[i], error);
return;
}
}
if (!object_class)
{
error_missing_attribute (data, element_name, "class", error);
return;
}
if (!object_id)
{
error_missing_attribute (data, element_name, "id", error);
return;
}
++data->cur_object_level;
/* check if we reached a requested object (if it is specified) */
if (data->requested_objects && !data->inside_requested_object)
{
if (is_requested_object (object_id, data))
{
data->requested_object_level = data->cur_object_level;
GTK_NOTE (BUILDER, g_print ("requested object \"%s\" found at level %d\n",
object_id,
data->requested_object_level));
data->inside_requested_object = TRUE;
}
else
{
g_free (object_class);
g_free (object_id);
g_free (constructor);
return;
}
}
object_info = g_slice_new0 (ObjectInfo);
object_info->class_name = object_class;
object_info->id = object_id;
object_info->constructor = constructor;
state_push (data, object_info);
object_info->tag.name = element_name;
if (child_info)
object_info->parent = (CommonInfo*)child_info;
g_markup_parse_context_get_position (context, &line, NULL);
line2 = GPOINTER_TO_INT (g_hash_table_lookup (data->object_ids, object_id));
if (line2 != 0)
{
g_set_error (error, GTK_BUILDER_ERROR,
GTK_BUILDER_ERROR_DUPLICATE_ID,
_("Duplicate object id '%s' on line %d (previously on line %d)"),
object_id, line, line2);
return;
}
g_hash_table_insert (data->object_ids, g_strdup (object_id), GINT_TO_POINTER (line));
}
static void
gtk_widget_query_size_for_orientation (GtkWidget *widget,
GtkOrientation orientation,
gint for_size,
gint *minimum_size,
gint *natural_size)
{
SizeRequestCache *cache;
gint min_size = 0;
gint nat_size = 0;
gboolean found_in_cache;
if (gtk_widget_get_request_mode (widget) == GTK_SIZE_REQUEST_CONSTANT_SIZE)
for_size = -1;
cache = _gtk_widget_peek_request_cache (widget);
found_in_cache = _gtk_size_request_cache_lookup (cache,
orientation,
for_size,
&min_size,
&nat_size);
if (!found_in_cache)
{
gint adjusted_min, adjusted_natural, adjusted_for_size = for_size;
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
gtk_widget_ensure_style (widget);
G_GNUC_END_IGNORE_DEPRECATIONS;
if (orientation == GTK_ORIENTATION_HORIZONTAL)
{
if (for_size < 0)
{
push_recursion_check (widget, orientation, for_size);
GTK_WIDGET_GET_CLASS (widget)->get_preferred_width (widget, &min_size, &nat_size);
pop_recursion_check (widget, orientation);
}
else
{
gint ignored_position = 0;
gint minimum_height;
gint natural_height;
/* Pull the base natural height from the cache as it's needed to adjust
* the proposed 'for_size' */
gtk_widget_get_preferred_height (widget, &minimum_height, &natural_height);
/* convert for_size to unadjusted height (for_size is a proposed allocation) */
GTK_WIDGET_GET_CLASS (widget)->adjust_size_allocation (widget,
GTK_ORIENTATION_VERTICAL,
&minimum_height,
&natural_height,
&ignored_position,
&adjusted_for_size);
push_recursion_check (widget, orientation, for_size);
GTK_WIDGET_GET_CLASS (widget)->get_preferred_width_for_height (widget,
MAX (adjusted_for_size, minimum_height),
&min_size, &nat_size);
pop_recursion_check (widget, orientation);
}
}
else
{
if (for_size < 0)
{
push_recursion_check (widget, orientation, for_size);
GTK_WIDGET_GET_CLASS (widget)->get_preferred_height (widget, &min_size, &nat_size);
pop_recursion_check (widget, orientation);
}
else
{
gint ignored_position = 0;
gint minimum_width;
gint natural_width;
/* Pull the base natural width from the cache as it's needed to adjust
* the proposed 'for_size' */
gtk_widget_get_preferred_width (widget, &minimum_width, &natural_width);
/* convert for_size to unadjusted width (for_size is a proposed allocation) */
GTK_WIDGET_GET_CLASS (widget)->adjust_size_allocation (widget,
GTK_ORIENTATION_HORIZONTAL,
&minimum_width,
&natural_width,
&ignored_position,
&adjusted_for_size);
push_recursion_check (widget, orientation, for_size);
GTK_WIDGET_GET_CLASS (widget)->get_preferred_height_for_width (widget,
MAX (adjusted_for_size, minimum_width),
&min_size, &nat_size);
pop_recursion_check (widget, orientation);
}
}
if (min_size > nat_size)
{
g_warning ("%s %p reported min size %d and natural size %d in %s(); natural size must be >= min size",
G_OBJECT_TYPE_NAME (widget), widget, min_size, nat_size, get_vfunc_name (orientation, for_size));
}
adjusted_min = min_size;
adjusted_natural = nat_size;
GTK_WIDGET_GET_CLASS (widget)->adjust_size_request (widget,
orientation,
&adjusted_min,
&adjusted_natural);
if (adjusted_min < min_size ||
adjusted_natural < nat_size)
{
g_warning ("%s %p adjusted size %s min %d natural %d must not decrease below min %d natural %d",
G_OBJECT_TYPE_NAME (widget), widget,
orientation == GTK_ORIENTATION_VERTICAL ? "vertical" : "horizontal",
adjusted_min, adjusted_natural,
min_size, nat_size);
/* don't use the adjustment */
}
else if (adjusted_min > adjusted_natural)
{
g_warning ("%s %p adjusted size %s min %d natural %d original min %d natural %d has min greater than natural",
G_OBJECT_TYPE_NAME (widget), widget,
orientation == GTK_ORIENTATION_VERTICAL ? "vertical" : "horizontal",
adjusted_min, adjusted_natural,
min_size, nat_size);
/* don't use the adjustment */
}
else
{
/* adjustment looks good */
min_size = adjusted_min;
nat_size = adjusted_natural;
}
_gtk_size_request_cache_commit (cache,
orientation,
for_size,
min_size,
nat_size);
}
if (minimum_size)
*minimum_size = min_size;
if (natural_size)
*natural_size = nat_size;
g_assert (min_size <= nat_size);
GTK_NOTE (SIZE_REQUEST,
g_print ("[%p] %s\t%s: %d is minimum %d and natural: %d (hit cache: %s)\n",
widget, G_OBJECT_TYPE_NAME (widget),
orientation == GTK_ORIENTATION_HORIZONTAL ?
"width for height" : "height for width" ,
for_size, min_size, nat_size,
found_in_cache ? "yes" : "no"));
}
/* This is the main function that checks for a cached size and
* possibly queries the widget class to compute the size if it's
* not cached. If the for_size here is -1, then get_preferred_width()
* or get_preferred_height() will be used.
*/
static void
compute_size_for_orientation (GtkWidget *widget,
GtkSizeGroupMode orientation,
gint for_size,
gint *minimum_size,
gint *natural_size)
{
CachedSize *cached_size;
gboolean found_in_cache = FALSE;
gint min_size = 0;
gint nat_size = 0;
found_in_cache = get_cached_size (widget, orientation, for_size, &cached_size);
if (!found_in_cache)
{
gint adjusted_min, adjusted_natural, adjusted_for_size = for_size;
gtk_widget_ensure_style (widget);
if (orientation == GTK_SIZE_GROUP_HORIZONTAL)
{
if (for_size < 0)
{
push_recursion_check (widget, orientation, for_size);
GTK_WIDGET_GET_CLASS (widget)->get_preferred_width (widget, &min_size, &nat_size);
pop_recursion_check (widget, orientation);
}
else
{
gint ignored_position = 0;
gint minimum_height;
gint natural_height;
/* Pull the base natural height from the cache as it's needed to adjust
* the proposed 'for_size' */
gtk_widget_get_preferred_height (widget, &minimum_height, &natural_height);
/* convert for_size to unadjusted height (for_size is a proposed allocation) */
GTK_WIDGET_GET_CLASS (widget)->adjust_size_allocation (widget,
GTK_ORIENTATION_VERTICAL,
&minimum_height,
&natural_height,
&ignored_position,
&adjusted_for_size);
push_recursion_check (widget, orientation, for_size);
GTK_WIDGET_GET_CLASS (widget)->get_preferred_width_for_height (widget,
MAX (adjusted_for_size, minimum_height),
&min_size, &nat_size);
pop_recursion_check (widget, orientation);
}
}
else
{
if (for_size < 0)
{
push_recursion_check (widget, orientation, for_size);
GTK_WIDGET_GET_CLASS (widget)->get_preferred_height (widget, &min_size, &nat_size);
pop_recursion_check (widget, orientation);
}
else
{
gint ignored_position = 0;
gint minimum_width;
gint natural_width;
/* Pull the base natural width from the cache as it's needed to adjust
* the proposed 'for_size' */
gtk_widget_get_preferred_width (widget, &minimum_width, &natural_width);
/* convert for_size to unadjusted width (for_size is a proposed allocation) */
GTK_WIDGET_GET_CLASS (widget)->adjust_size_allocation (widget,
GTK_ORIENTATION_HORIZONTAL,
&minimum_width,
&natural_width,
&ignored_position,
&adjusted_for_size);
push_recursion_check (widget, orientation, for_size);
GTK_WIDGET_GET_CLASS (widget)->get_preferred_height_for_width (widget,
MAX (adjusted_for_size, minimum_width),
&min_size, &nat_size);
pop_recursion_check (widget, orientation);
}
}
if (min_size > nat_size)
{
g_warning ("%s %p reported min size %d and natural size %d; natural size must be >= min size",
G_OBJECT_TYPE_NAME (widget), widget, min_size, nat_size);
}
if (orientation == GTK_SIZE_GROUP_HORIZONTAL)
_gtk_widget_set_width_request_needed (widget, FALSE);
else
_gtk_widget_set_height_request_needed (widget, FALSE);
adjusted_min = min_size;
adjusted_natural = nat_size;
GTK_WIDGET_GET_CLASS (widget)->adjust_size_request (widget,
orientation == GTK_SIZE_GROUP_HORIZONTAL ?
GTK_ORIENTATION_HORIZONTAL :
GTK_ORIENTATION_VERTICAL,
&adjusted_min,
&adjusted_natural);
if (adjusted_min < min_size ||
adjusted_natural < nat_size)
{
g_warning ("%s %p adjusted size %s min %d natural %d must not decrease below min %d natural %d",
G_OBJECT_TYPE_NAME (widget), widget,
orientation == GTK_SIZE_GROUP_VERTICAL ? "vertical" : "horizontal",
adjusted_min, adjusted_natural,
min_size, nat_size);
/* don't use the adjustment */
}
else if (adjusted_min > adjusted_natural)
{
g_warning ("%s %p adjusted size %s min %d natural %d original min %d natural %d has min greater than natural",
G_OBJECT_TYPE_NAME (widget), widget,
orientation == GTK_SIZE_GROUP_VERTICAL ? "vertical" : "horizontal",
adjusted_min, adjusted_natural,
min_size, nat_size);
/* don't use the adjustment */
}
else
{
/* adjustment looks good */
min_size = adjusted_min;
nat_size = adjusted_natural;
}
/* Update size-groups with our request and update our cached requests
* with the size-group values in a single pass.
*/
_gtk_size_group_bump_requisition (widget,
orientation,
&min_size,
&nat_size);
commit_cached_size (widget, orientation, for_size, min_size, nat_size);
}
else
{
min_size = cached_size->minimum_size;
nat_size = cached_size->natural_size;
}
if (minimum_size)
*minimum_size = min_size;
if (natural_size)
*natural_size = nat_size;
g_assert (min_size <= nat_size);
GTK_NOTE (SIZE_REQUEST,
g_print ("[%p] %s\t%s: %d is minimum %d and natural: %d (hit cache: %s)\n",
widget, G_OBJECT_TYPE_NAME (widget),
orientation == GTK_SIZE_GROUP_HORIZONTAL ?
"width for height" : "height for width" ,
for_size, min_size, nat_size,
found_in_cache ? "yes" : "no"));
}
