* Library General Public License for more details.
*
* You should have received a copy of the GNU Library 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.
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "gtkintl.h"
#include "gtkprivate.h"
#include "gtksizegroup-private.h"
+#include "gtksizerequestcacheprivate.h"
#include "gtkwidgetprivate.h"
-
-/* looks for a cached size request for this for_size. If not
- * found, returns the oldest entry so it can be overwritten
- *
- * Note that this caching code was directly derived from
- * the Clutter toolkit.
- */
-static gboolean
-get_cached_size (SizeRequestCache *cache,
- GtkSizeGroupMode orientation,
- gint for_size,
- SizeRequest **result)
-{
- guint i, n_sizes;
- SizeRequest *cached_sizes;
-
- if (orientation == GTK_SIZE_GROUP_HORIZONTAL)
- {
- cached_sizes = cache->widths;
- n_sizes = cache->cached_widths;
- }
- else
- {
- cached_sizes = cache->heights;
- n_sizes = cache->cached_widths;
- }
-
- /* Search for an already cached size */
- for (i = 0; i < n_sizes; i++)
- {
- if (cached_sizes[i].for_size == for_size)
- {
- *result = &cached_sizes[i];
- return TRUE;
- }
- }
-
- /* If not found, pull a new size from the cache, the returned size cache
- * will immediately be used to cache the new computed size so we go ahead
- * and increment the last_cached_width/height right away */
- if (orientation == GTK_SIZE_GROUP_HORIZONTAL)
- {
- if (cache->cached_widths < GTK_SIZE_REQUEST_CACHED_SIZES)
- {
- cache->cached_widths++;
- cache->last_cached_width = cache->cached_widths - 1;
- }
- else
- {
- if (++cache->last_cached_width == GTK_SIZE_REQUEST_CACHED_SIZES)
- cache->last_cached_width = 0;
- }
-
- *result = &cache->widths[cache->last_cached_width];
- }
- else /* GTK_SIZE_GROUP_VERTICAL */
- {
- if (cache->cached_heights < GTK_SIZE_REQUEST_CACHED_SIZES)
- {
- cache->cached_heights++;
- cache->last_cached_height = cache->cached_heights - 1;
- }
- else
- {
- if (++cache->last_cached_height == GTK_SIZE_REQUEST_CACHED_SIZES)
- cache->last_cached_height = 0;
- }
-
- *result = &cache->heights[cache->last_cached_height];
- }
-
- return FALSE;
-}
+#include "deprecated/gtkstyle.h"
#ifndef G_DISABLE_CHECKS
static void
push_recursion_check (GtkWidget *widget,
- GtkSizeGroupMode orientation,
+ GtkOrientation orientation,
gint for_size)
{
#ifndef G_DISABLE_CHECKS
previous_method = g_object_get_qdata (G_OBJECT (widget), recursion_check_quark);
- if (orientation == GTK_SIZE_GROUP_HORIZONTAL)
+ if (orientation == GTK_ORIENTATION_HORIZONTAL)
{
method = for_size < 0 ? "get_width" : "get_width_for_height";
}
static void
pop_recursion_check (GtkWidget *widget,
- GtkSizeGroupMode orientation)
+ GtkOrientation orientation)
{
#ifndef G_DISABLE_CHECKS
g_object_set_qdata (G_OBJECT (widget), recursion_check_quark, NULL);
#endif
}
-static void
-compute_size_for_orientation (GtkWidget *widget,
- GtkSizeGroupMode orientation,
- gint for_size,
- gint *minimum_size,
- gint *natural_size)
+static const char *
+get_vfunc_name (GtkOrientation orientation,
+ gint for_size)
{
- SizeRequestCache *cache;
- SizeRequest *cached_size;
- gboolean found_in_cache = FALSE;
- int adjusted_min, adjusted_natural;
-
- g_return_if_fail (GTK_IS_WIDGET (widget));
- g_return_if_fail (minimum_size != NULL || natural_size != NULL);
-
- cache = _gtk_widget_peek_request_cache (widget);
-
- if (orientation == GTK_SIZE_GROUP_HORIZONTAL)
- {
- cached_size = &cache->widths[0];
-
- if (!_gtk_widget_get_width_request_needed (widget))
- found_in_cache = get_cached_size (cache, orientation, for_size, &cached_size);
- else
- {
- memset (cache->widths, 0, GTK_SIZE_REQUEST_CACHED_SIZES * sizeof (SizeRequest));
- cache->cached_widths = 1;
- cache->last_cached_width = 0;
- }
- }
+ if (orientation == GTK_ORIENTATION_HORIZONTAL)
+ return for_size < 0 ? "get_preferred_width" : "get_preferred_width_for_height";
else
- {
- cached_size = &cache->heights[0];
-
- if (!_gtk_widget_get_height_request_needed (widget))
- found_in_cache = get_cached_size (cache, orientation, for_size, &cached_size);
- else
- {
- memset (cache->heights, 0, GTK_SIZE_REQUEST_CACHED_SIZES * sizeof (SizeRequest));
- cache->cached_heights = 1;
- cache->last_cached_height = 0;
- }
- }
+ return for_size < 0 ? "get_preferred_height" : "get_preferred_height_for_width";
+}
+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 min_size = 0;
- gint nat_size = 0;
+ gint adjusted_min, adjusted_natural, adjusted_for_size = for_size;
gtk_widget_ensure_style (widget);
- if (orientation == GTK_SIZE_GROUP_HORIZONTAL)
+ if (orientation == GTK_ORIENTATION_HORIZONTAL)
{
if (for_size < 0)
{
&minimum_height,
&natural_height,
&ignored_position,
- &for_size);
+ &adjusted_for_size);
push_recursion_check (widget, orientation, for_size);
GTK_WIDGET_GET_CLASS (widget)->get_preferred_width_for_height (widget,
- MAX (for_size, minimum_height),
+ MAX (adjusted_for_size, minimum_height),
&min_size, &nat_size);
pop_recursion_check (widget, orientation);
}
}
else
{
- int ignored_position = 0;
- int minimum_width;
- int natural_width;
+ 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' */
&minimum_width,
&natural_width,
&ignored_position,
- &for_size);
+ &adjusted_for_size);
push_recursion_check (widget, orientation, for_size);
GTK_WIDGET_GET_CLASS (widget)->get_preferred_height_for_width (widget,
- MAX (for_size, minimum_width),
+ 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);
+ 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));
}
- cached_size->minimum_size = min_size;
- cached_size->natural_size = nat_size;
- cached_size->for_size = for_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 = cached_size->minimum_size;
- adjusted_natural = cached_size->natural_size;
+ 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,
+ orientation,
&adjusted_min,
&adjusted_natural);
- if (adjusted_min < cached_size->minimum_size ||
- adjusted_natural < cached_size->natural_size)
+ 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",
+ orientation == GTK_ORIENTATION_VERTICAL ? "vertical" : "horizontal",
adjusted_min, adjusted_natural,
- cached_size->minimum_size, cached_size->natural_size);
+ 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",
+ orientation == GTK_ORIENTATION_VERTICAL ? "vertical" : "horizontal",
adjusted_min, adjusted_natural,
- cached_size->minimum_size, cached_size->natural_size);
+ min_size, nat_size);
/* don't use the adjustment */
}
else
{
/* adjustment looks good */
- cached_size->minimum_size = adjusted_min;
- cached_size->natural_size = adjusted_natural;
+ 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,
- &cached_size->minimum_size,
- &cached_size->natural_size);
+ _gtk_size_request_cache_commit (cache,
+ orientation,
+ for_size,
+ min_size,
+ nat_size);
}
if (minimum_size)
- *minimum_size = cached_size->minimum_size;
+ *minimum_size = min_size;
if (natural_size)
- *natural_size = cached_size->natural_size;
+ *natural_size = nat_size;
- g_assert (cached_size->minimum_size <= cached_size->natural_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 ?
+ orientation == GTK_ORIENTATION_HORIZONTAL ?
"width for height" : "height for width" ,
- for_size,
- cached_size->minimum_size,
- cached_size->natural_size,
+ 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.
+ */
+void
+_gtk_widget_compute_size_for_orientation (GtkWidget *widget,
+ GtkOrientation orientation,
+ gint for_size,
+ gint *minimum,
+ gint *natural)
+{
+ GHashTable *widgets;
+ GHashTableIter iter;
+ gpointer key;
+ gint min_result = 0, nat_result = 0;
+
+ if (!gtk_widget_get_visible (widget) && !gtk_widget_is_toplevel (widget))
+ {
+ if (minimum)
+ *minimum = 0;
+ if (natural)
+ *natural = 0;
+ return;
+ }
+ if (G_LIKELY (!_gtk_widget_get_sizegroups (widget)))
+ {
+ gtk_widget_query_size_for_orientation (widget, orientation, for_size, minimum, natural);
+ return;
+ }
+
+ widgets = _gtk_size_group_get_widget_peers (widget, orientation);
+
+ g_hash_table_foreach (widgets, (GHFunc) g_object_ref, NULL);
+
+ g_hash_table_iter_init (&iter, widgets);
+ while (g_hash_table_iter_next (&iter, &key, NULL))
+ {
+ GtkWidget *tmp_widget = key;
+ gint min_dimension, nat_dimension;
+
+ gtk_widget_query_size_for_orientation (tmp_widget, orientation, for_size, &min_dimension, &nat_dimension);
+
+ min_result = MAX (min_result, min_dimension);
+ nat_result = MAX (nat_result, nat_dimension);
+ }
+
+ g_hash_table_foreach (widgets, (GHFunc) g_object_unref, NULL);
+
+ g_hash_table_destroy (widgets);
+
+ if (minimum)
+ *minimum = min_result;
+
+ if (natural)
+ *natural = nat_result;
}
/**
GtkSizeRequestMode
gtk_widget_get_request_mode (GtkWidget *widget)
{
- GtkWidgetClass *klass;
+ SizeRequestCache *cache;
+
+ g_return_val_if_fail (GTK_IS_WIDGET (widget), GTK_SIZE_REQUEST_CONSTANT_SIZE);
- g_return_val_if_fail (GTK_IS_WIDGET (widget), GTK_SIZE_REQUEST_HEIGHT_FOR_WIDTH);
+ cache = _gtk_widget_peek_request_cache (widget);
- klass = GTK_WIDGET_GET_CLASS (widget);
- if (klass->get_request_mode)
- return klass->get_request_mode (widget);
+ if (!cache->request_mode_valid)
+ {
+ cache->request_mode = GTK_WIDGET_GET_CLASS (widget)->get_request_mode (widget);
+ cache->request_mode_valid = TRUE;
+ }
- /* By default widgets are height-for-width. */
- return GTK_SIZE_REQUEST_HEIGHT_FOR_WIDTH;
+ return cache->request_mode;
}
/**
gint *minimum_width,
gint *natural_width)
{
- compute_size_for_orientation (widget, GTK_SIZE_GROUP_HORIZONTAL,
- -1, minimum_width, natural_width);
+ g_return_if_fail (GTK_IS_WIDGET (widget));
+ g_return_if_fail (minimum_width != NULL || natural_width != NULL);
+
+ _gtk_widget_compute_size_for_orientation (widget,
+ GTK_ORIENTATION_HORIZONTAL,
+ -1,
+ minimum_width,
+ natural_width);
}
gint *minimum_height,
gint *natural_height)
{
- compute_size_for_orientation (widget, GTK_SIZE_GROUP_VERTICAL,
- -1, minimum_height, natural_height);
+ g_return_if_fail (GTK_IS_WIDGET (widget));
+ g_return_if_fail (minimum_height != NULL || natural_height != NULL);
+
+ _gtk_widget_compute_size_for_orientation (widget,
+ GTK_ORIENTATION_VERTICAL,
+ -1,
+ minimum_height,
+ natural_height);
}
gint *minimum_width,
gint *natural_width)
{
- compute_size_for_orientation (widget, GTK_SIZE_GROUP_HORIZONTAL,
- height, minimum_width, natural_width);
+ g_return_if_fail (GTK_IS_WIDGET (widget));
+ g_return_if_fail (minimum_width != NULL || natural_width != NULL);
+ g_return_if_fail (height >= 0);
+
+ _gtk_widget_compute_size_for_orientation (widget,
+ GTK_ORIENTATION_HORIZONTAL,
+ height,
+ minimum_width,
+ natural_width);
}
/**
gint *minimum_height,
gint *natural_height)
{
- compute_size_for_orientation (widget, GTK_SIZE_GROUP_VERTICAL,
- width, minimum_height, natural_height);
+ g_return_if_fail (GTK_IS_WIDGET (widget));
+ g_return_if_fail (minimum_height != NULL || natural_height != NULL);
+ g_return_if_fail (width >= 0);
+
+ _gtk_widget_compute_size_for_orientation (widget,
+ GTK_ORIENTATION_VERTICAL,
+ width,
+ minimum_height,
+ natural_height);
}
/**
NULL, &natural_size->height);
}
}
- else /* GTK_SIZE_REQUEST_WIDTH_FOR_HEIGHT */
+ else /* GTK_SIZE_REQUEST_WIDTH_FOR_HEIGHT or CONSTANT_SIZE */
{
gtk_widget_get_preferred_height (widget, &min_height, &nat_height);
projects / ~andy / gtk / blobdiff