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columnviewcolumn: Add reordering helpers

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Add helper functions that let us temporarily give
a different allocation to headers. These will be
used to implement interactive column reordering
in GtkColumnView.
This commit is contained in:
Matthias Clasen
2019-12-20 17:19:55 -05:00
parent 4a46e8331e
commit bf8856e3fb
2 changed files with 27 additions and 0 deletions
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21
gtk/gtkcolumnviewcolumn.c
View File

@@ -60,6 +60,7 @@ struct _GtkColumnViewColumn
int natural_size_request; int natural_size_request;
int allocation_offset; int allocation_offset;
int allocation_size; int allocation_size;
int header_position;
int fixed_width; int fixed_width;
@@ -453,6 +454,7 @@ gtk_column_view_column_allocate (GtkColumnViewColumn *self,
{ {
self->allocation_offset = offset; self->allocation_offset = offset;
self->allocation_size = size; self->allocation_size = size;
self->header_position = offset;
} }
void void
@@ -880,3 +882,22 @@ gtk_column_view_column_get_header (GtkColumnViewColumn *self)
{ {
return self->header; return self->header;
} }
void
gtk_column_view_column_set_header_position (GtkColumnViewColumn *self,
int offset)
{
self->header_position = offset;
}
void
gtk_column_view_column_get_header_allocation (GtkColumnViewColumn *self,
int *offset,
int *size)
{
if (offset)
*offset = self->header_position;
if (size)
*size = self->allocation_size;
}

6
gtk/gtkcolumnviewcolumnprivate.h
View File

@@ -48,4 +48,10 @@ void gtk_column_view_column_get_allocation (GtkColu
void gtk_column_view_column_notify_sort (GtkColumnViewColumn *self); void gtk_column_view_column_notify_sort (GtkColumnViewColumn *self);
void gtk_column_view_column_set_header_position (GtkColumnViewColumn *self,
int offset);
void gtk_column_view_column_get_header_allocation (GtkColumnViewColumn *self,
int *offset,
int *size);
#endif /* __GTK_COLUMN_VIEW_COLUMN_PRIVATE_H__ */ #endif /* __GTK_COLUMN_VIEW_COLUMN_PRIVATE_H__ */