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columnview: Add GtkColumnViewColumn:fixed-width

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Add a fixed-width property similar to the same property
of GtkTreeViewColumn.
This commit is contained in:
Matthias Clasen
2020-05-31 21:07:38 -04:00
parent b1ab5e187d
commit d2af96f9c8
5 changed files with 117 additions and 0 deletions
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2
docs/reference/gtk/gtk4-sections.txt
View File

@@ -533,6 +533,8 @@ gtk_column_view_column_set_sorter
gtk_column_view_column_get_sorter
gtk_column_view_column_set_visible
gtk_column_view_column_get_visible
gtk_column_view_column_set_fixed_width
gtk_column_view_column_get_fixed_width
<SUBSECTION Standard>
GTK_COLUMN_VIEW_COLUMN
GTK_COLUMN_VIEW_COLUMN_CLASS

8
gtk/gtkcolumnviewcell.c
View File

@@ -53,10 +53,18 @@ gtk_column_view_cell_measure (GtkWidget *widget,
int *minimum_baseline,
int *natural_baseline)
{
GtkColumnViewCell *cell = GTK_COLUMN_VIEW_CELL (widget);
GtkWidget *child = gtk_widget_get_first_child (widget);
if (child)
gtk_widget_measure (child, orientation, for_size, minimum, natural, minimum_baseline, natural_baseline);
if (orientation == GTK_ORIENTATION_HORIZONTAL)
{
int fixed_width = gtk_column_view_column_get_fixed_width (cell->column);
if (fixed_width > -1)
*minimum = *natural = fixed_width;
}
}
static void

93
gtk/gtkcolumnviewcolumn.c
View File

@@ -63,6 +63,8 @@ struct _GtkColumnViewColumn
gboolean visible;
int fixed_width;
/* This list isn't sorted - this is just caching for performance */
GtkColumnViewCell *first_cell; /* no reference, just caching */
};
@@ -80,6 +82,7 @@ enum
PROP_TITLE,
PROP_SORTER,
PROP_VISIBLE,
PROP_FIXED_WIDTH,
N_PROPS
};
@@ -133,6 +136,10 @@ gtk_column_view_column_get_property (GObject *object,
g_value_set_boolean (value, self->visible);
break;
case PROP_FIXED_WIDTH:
g_value_set_int (value, self->fixed_width);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
@@ -165,6 +172,10 @@ gtk_column_view_column_set_property (GObject *object,
gtk_column_view_column_set_visible (self, g_value_get_boolean (value));
break;
case PROP_FIXED_WIDTH:
gtk_column_view_column_set_fixed_width (self, g_value_get_int (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
@@ -240,6 +251,19 @@ gtk_column_view_column_class_init (GtkColumnViewColumnClass *klass)
TRUE,
G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
/**
* GtkColumnViewColumn:fixed-width:
*
* If not -1, this is the width that the column is allocated,
* regardless of the size of its content.
*/
properties[PROP_FIXED_WIDTH] =
g_param_spec_int ("fixed-width",
P_("Fixed width"),
P_("Fixed width of this column"),
-1, G_MAXINT, -1,
G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (gobject_class, N_PROPS, properties);
}
@@ -249,6 +273,7 @@ gtk_column_view_column_init (GtkColumnViewColumn *self)
self->minimum_size_request = -1;
self->natural_size_request = -1;
self->visible = TRUE;
self->fixed_width = -1;
}
/**
@@ -357,6 +382,12 @@ gtk_column_view_column_measure (GtkColumnViewColumn *self,
int *minimum,
int *natural)
{
if (self->fixed_width > -1)
{
self->minimum_size_request = self->fixed_width;
self->natural_size_request = self->fixed_width;
}
if (self->minimum_size_request < 0)
{
GtkColumnViewCell *cell;
@@ -721,3 +752,65 @@ gtk_column_view_column_get_visible (GtkColumnViewColumn *self)
return self->visible;
}
/**
* gtk_column_view_column_set_fixed_width:
* @self: a #GtkColumnViewColumn
* @fixed_width: the new fixed width, or -1
*
* If @fixed_width is not -1, sets the fixed width of @column;
* otherwise unsets it.
*
* Setting a fixed width overrides the automatically calculated
* width. Interactive resizing also sets the “fixed-width” property.
*/
void
gtk_column_view_column_set_fixed_width (GtkColumnViewColumn *self,
int fixed_width)
{
GtkOverflow overflow;
g_return_if_fail (GTK_IS_COLUMN_VIEW_COLUMN (self));
g_return_if_fail (fixed_width >= -1);
if (self->fixed_width == fixed_width)
return;
self->fixed_width = fixed_width;
if (fixed_width > -1)
overflow = GTK_OVERFLOW_HIDDEN;
else
overflow = GTK_OVERFLOW_VISIBLE;
if (self->header &&
overflow != gtk_widget_get_overflow (GTK_WIDGET (self->header)))
{
GtkColumnViewCell *cell;
gtk_widget_set_overflow (GTK_WIDGET (self->header), overflow);
for (cell = self->first_cell; cell; cell = gtk_column_view_cell_get_next (cell))
gtk_widget_set_overflow (GTK_WIDGET (cell), overflow);
}
gtk_column_view_column_queue_resize (self);
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_FIXED_WIDTH]);
}
/**
* gtk_column_view_column_get_fixed_width:
* @self: a #GtkColumnViewColumn
*
* Gets the fixed width of the column.
*
* Returns: the fixed with of the column
*/
int
gtk_column_view_column_get_fixed_width (GtkColumnViewColumn *self)
{
g_return_val_if_fail (GTK_IS_COLUMN_VIEW_COLUMN (self), -1);
return self->fixed_width;
}

6
gtk/gtkcolumnviewcolumn.h
View File

@@ -78,6 +78,12 @@ void gtk_column_view_column_set_visible (GtkColu
GDK_AVAILABLE_IN_ALL
gboolean gtk_column_view_column_get_visible (GtkColumnViewColumn *self);
GDK_AVAILABLE_IN_ALL
void gtk_column_view_column_set_fixed_width (GtkColumnViewColumn *self,
int fixed_width);
GDK_AVAILABLE_IN_ALL
int gtk_column_view_column_get_fixed_width (GtkColumnViewColumn *self);
G_END_DECLS
#endif /* __GTK_COLUMN_VIEW_COLUMN_H__ */

8
gtk/gtkcolumnviewtitle.c
View File

@@ -58,10 +58,18 @@ gtk_column_view_title_measure (GtkWidget *widget,
int *minimum_baseline,
int *natural_baseline)
{
GtkColumnViewTitle *self = GTK_COLUMN_VIEW_TITLE (widget);
GtkWidget *child = gtk_widget_get_first_child (widget);
if (child)
gtk_widget_measure (child, orientation, for_size, minimum, natural, minimum_baseline, natural_baseline);
if (orientation == GTK_ORIENTATION_HORIZONTAL)
{
int fixed_width = gtk_column_view_column_get_fixed_width (self->column);
if (fixed_width > -1)
*minimum = *natural = fixed_width;
}
}
static void