Fixed GtkCellAreaIter to notify invalidation of sizes on flush

Also fixed GtkCellAreaBox to track the iters it creates and flush
them when the overall layout configuration changes (add/remove/reorder/
spacing changed etc).
This commit is contained in:
Tristan Van Berkom 2010-10-30 21:40:22 +09:00
parent 1dc7e3d885
commit 86fb6ab216
2 changed files with 124 additions and 24 deletions

View File

@ -97,7 +97,7 @@ static void gtk_cell_area_box_layout_reorder (GtkCellLayout
gint position);
/* CellInfo/CellGroup metadata handling */
/* CellInfo/CellGroup metadata handling and convenience functions */
typedef struct {
GtkCellRenderer *renderer;
@ -109,7 +109,7 @@ typedef struct {
typedef struct {
GList *cells;
guint id : 16;
guint id : 16;
guint expand : 1;
} CellGroup;
@ -128,16 +128,20 @@ static GList *list_consecutive_cells (GtkCellAreaBox *box);
static GList *construct_cell_groups (GtkCellAreaBox *box);
static gint count_expand_groups (GtkCellAreaBox *box);
static gint count_expand_cells (CellGroup *group);
static void iter_weak_notify (GtkCellAreaBox *box,
GtkCellAreaIter *dead_iter);
static void flush_iters (GtkCellAreaBox *box);
struct _GtkCellAreaBoxPrivate
{
GtkOrientation orientation;
GtkOrientation orientation;
GList *cells;
GList *groups;
GList *cells;
GList *groups;
gint spacing;
GSList *iters;
gint spacing;
};
enum {
@ -168,6 +172,7 @@ gtk_cell_area_box_init (GtkCellAreaBox *box)
priv->orientation = GTK_ORIENTATION_HORIZONTAL;
priv->cells = NULL;
priv->groups = NULL;
priv->iters = NULL;
priv->spacing = 0;
}
@ -214,7 +219,7 @@ gtk_cell_area_box_class_init (GtkCellAreaBoxClass *class)
/*************************************************************
* CellInfo/CellGroup Basics *
* CellInfo/CellGroup basics and convenience functions *
*************************************************************/
static CellInfo *
cell_info_new (GtkCellRenderer *renderer,
@ -379,6 +384,31 @@ count_expand_cells (CellGroup *group)
return expand_cells;
}
static void
iter_weak_notify (GtkCellAreaBox *box,
GtkCellAreaIter *dead_iter)
{
GtkCellAreaBoxPrivate *priv = box->priv;
priv->iters = g_slist_remove (priv->iters, dead_iter);
}
static void
flush_iters (GtkCellAreaBox *box)
{
GtkCellAreaBoxPrivate *priv = box->priv;
GSList *l;
/* When the box layout changes, iters need to
* be flushed and sizes for the box get requested again
*/
for (l = priv->iters; l; l = l->next)
{
GtkCellAreaIter *iter = l->data;
gtk_cell_area_iter_flush (iter);
}
}
/*************************************************************
* GObjectClass *
@ -386,6 +416,15 @@ count_expand_cells (CellGroup *group)
static void
gtk_cell_area_box_finalize (GObject *object)
{
GtkCellAreaBox *box = GTK_CELL_AREA_BOX (object);
GtkCellAreaBoxPrivate *priv = box->priv;
GSList *l;
for (l = priv->iters; l; l = l->next)
g_object_weak_unref (G_OBJECT (l->data), (GWeakNotify)iter_weak_notify, box);
g_slist_free (priv->iters);
G_OBJECT_CLASS (gtk_cell_area_box_parent_class)->finalize (object);
}
@ -463,15 +502,13 @@ gtk_cell_area_box_remove (GtkCellArea *area,
priv->cells = g_list_delete_link (priv->cells, node);
/* Reconstruct cell groups
* XXX TODO: add a list of iters and weak_ref's on them, then
* flush the iters when we reconstruct groups, change spacing
* or child expand properties (i.e. notify size needs to be
* recalculated).
*/
/* Reconstruct cell groups */
g_list_foreach (priv->groups, (GFunc)cell_group_free, NULL);
g_list_free (priv->groups);
priv->groups = construct_cell_groups (box);
/* Notify that size needs to be requested again */
flush_iters (box);
}
else
g_warning ("Trying to remove a cell renderer that is not present GtkCellAreaBox");
@ -517,7 +554,16 @@ gtk_cell_area_box_render (GtkCellArea *area,
static GtkCellAreaIter *
gtk_cell_area_box_create_iter (GtkCellArea *area)
{
return (GtkCellAreaIter *)g_object_new (GTK_TYPE_CELL_AREA_BOX_ITER, NULL);
GtkCellAreaBox *box = GTK_CELL_AREA_BOX (area);
GtkCellAreaBoxPrivate *priv = box->priv;
GtkCellAreaIter *iter =
(GtkCellAreaIter *)g_object_new (GTK_TYPE_CELL_AREA_BOX_ITER, NULL);
priv->iters = g_slist_prepend (priv->iters, iter);
g_object_weak_ref (G_OBJECT (iter), (GWeakNotify)iter_weak_notify, box);
return iter;
}
static GtkSizeRequestMode
@ -1012,6 +1058,14 @@ gtk_cell_area_box_layout_reorder (GtkCellLayout *cell_layout,
priv->cells = g_list_delete_link (priv->cells, node);
priv->cells = g_list_insert (priv->cells, info, position);
/* Reconstruct cell groups */
g_list_foreach (priv->groups, (GFunc)cell_group_free, NULL);
g_list_free (priv->groups);
priv->groups = construct_cell_groups (box);
/* Notify that size needs to be requested again */
flush_iters (box);
}
}
@ -1049,10 +1103,13 @@ gtk_cell_area_box_pack_start (GtkCellAreaBox *box,
priv->cells = g_list_append (priv->cells, info);
/* Reconstruct cell groups (TODO, notify created iters that size needs renegotiation) */
/* Reconstruct cell groups */
g_list_foreach (priv->groups, (GFunc)cell_group_free, NULL);
g_list_free (priv->groups);
priv->groups = construct_cell_groups (box);
/* Notify that size needs to be requested again */
flush_iters (box);
}
void
@ -1080,10 +1137,13 @@ gtk_cell_area_box_pack_end (GtkCellAreaBox *box,
priv->cells = g_list_append (priv->cells, info);
/* Reconstruct cell groups (TODO, notify created iters that size needs renegotiation) */
/* Reconstruct cell groups */
g_list_foreach (priv->groups, (GFunc)cell_group_free, NULL);
g_list_free (priv->groups);
priv->groups = construct_cell_groups (box);
/* Notify that size needs to be requested again */
flush_iters (box);
}
gint
@ -1108,7 +1168,9 @@ gtk_cell_area_box_set_spacing (GtkCellAreaBox *box,
{
priv->spacing = spacing;
/* TODO, notify created iters that size needs renegotiation */
g_object_notify (G_OBJECT (box), "spacing");
/* Notify that size needs to be requested again */
flush_iters (box);
}
}

View File

@ -318,6 +318,18 @@ gtk_cell_area_iter_real_flush_preferred_width (GtkCellAreaIter *iter)
g_object_thaw_notify (G_OBJECT (iter));
}
static void
notify_invalid_height (gpointer width_ptr,
CachedSize *size,
GtkCellAreaIter *iter)
{
gint width = GPOINTER_TO_INT (width_ptr);
/* Notify size invalidated */
g_signal_emit (iter, cell_area_iter_signals[SIGNAL_HEIGHT_CHANGED],
0, width, -1, -1);
}
static void
gtk_cell_area_iter_real_flush_preferred_height_for_width (GtkCellAreaIter *iter,
gint width)
@ -326,11 +338,18 @@ gtk_cell_area_iter_real_flush_preferred_height_for_width (GtkCellAreaIter *iter,
/* Flush all sizes for special -1 value */
if (width < 0)
g_hash_table_remove_all (priv->heights);
{
g_hash_table_foreach (priv->heights, (GHFunc)notify_invalid_height, iter);
g_hash_table_remove_all (priv->heights);
}
else
g_hash_table_remove (priv->heights, GINT_TO_POINTER (width));
{
g_hash_table_remove (priv->heights, GINT_TO_POINTER (width));
/* XXX Should we bother signalling removed values as "size-changed" signals ? */
/* Notify size invalidated */
g_signal_emit (iter, cell_area_iter_signals[SIGNAL_HEIGHT_CHANGED],
0, width, -1, -1);
}
}
static void
@ -347,6 +366,18 @@ gtk_cell_area_iter_real_flush_preferred_height (GtkCellAreaIter *iter)
g_object_thaw_notify (G_OBJECT (iter));
}
static void
notify_invalid_width (gpointer height_ptr,
CachedSize *size,
GtkCellAreaIter *iter)
{
gint height = GPOINTER_TO_INT (height_ptr);
/* Notify size invalidated */
g_signal_emit (iter, cell_area_iter_signals[SIGNAL_WIDTH_CHANGED],
0, height, -1, -1);
}
static void
gtk_cell_area_iter_real_flush_preferred_width_for_height (GtkCellAreaIter *iter,
gint height)
@ -355,11 +386,18 @@ gtk_cell_area_iter_real_flush_preferred_width_for_height (GtkCellAreaIter *iter,
/* Flush all sizes for special -1 value */
if (height < 0)
g_hash_table_remove_all (priv->widths);
{
g_hash_table_foreach (priv->widths, (GHFunc)notify_invalid_width, iter);
g_hash_table_remove_all (priv->widths);
}
else
g_hash_table_remove (priv->widths, GINT_TO_POINTER (height));
{
g_hash_table_remove (priv->widths, GINT_TO_POINTER (height));
/* XXX Should we bother signalling removed values as "size-changed" signals ? */
/* Notify size invalidated */
g_signal_emit (iter, cell_area_iter_signals[SIGNAL_WIDTH_CHANGED],
0, height, -1, -1);
}
}
/*************************************************************