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/* MemProf -- memory profiler and leak detector
* Copyright 2002, Soeren Sandmann (sandmann@daimi.au.dk)
* Copyright 2003, 2004, Red Hat, Inc.
*
* Sysprof -- Sampling, systemwide CPU profiler
* Copyright 2004, 2005, 2006, 2007, 2008 Soeren Sandmann
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/*====*/
#include "treeviewutils.h"
static void on_column_clicked (GtkTreeViewColumn *column,
gpointer data);
typedef struct
{
int model_column;
GtkSortType default_order;
} SortInfo;
static void
set_sort_info (GtkTreeView *view,
GtkTreeViewColumn *column,
int model_column,
GtkSortType default_order)
{
SortInfo *info;
info = g_new0 (SortInfo, 1);
info->model_column = model_column;
info->default_order = default_order;
gtk_tree_view_column_set_clickable (column, TRUE);
g_object_set_data (G_OBJECT (column), "column_info", info);
g_signal_connect (column, "clicked", G_CALLBACK (on_column_clicked), view);
}
static SortInfo *
get_sort_info (GtkTreeViewColumn *column)
{
return g_object_get_data (G_OBJECT (column), "column_info");
}
static GtkTreeViewColumn *
find_column_by_model_column (GtkTreeView *view,
int model_column)
{
GList *columns = gtk_tree_view_get_columns (view);
GList *list;
GtkTreeViewColumn *result = NULL;
for (list = columns; list != NULL; list = list->next)
{
GtkTreeViewColumn *column = list->data;
SortInfo *info = get_sort_info (column);
if (info->model_column == model_column)
result = column;
}
g_list_free (columns);
return result;
}
void
tree_view_set_sort_column (GtkTreeView *view,
int model_column,
int sort_type)
{
GList *columns, *list;
GtkTreeSortable *sortable;
GtkTreeViewColumn *column = find_column_by_model_column (view, model_column);
SortInfo *info = get_sort_info (column);
/* For each column in the view, unset the sort indicator */
columns = gtk_tree_view_get_columns (view);
for (list = columns; list != NULL; list = list->next)
{
GtkTreeViewColumn *col = GTK_TREE_VIEW_COLUMN (list->data);
gtk_tree_view_column_set_sort_indicator (col, FALSE);
}
/* Set the sort indicator for this column */
gtk_tree_view_column_set_sort_indicator (column, TRUE);
gtk_tree_view_column_set_sort_order (column, sort_type);
/* And sort the column */
sortable = GTK_TREE_SORTABLE (gtk_tree_view_get_model (view));
gtk_tree_sortable_set_sort_column_id (sortable,
info->model_column,
sort_type);
}
static void
on_column_clicked (GtkTreeViewColumn *column,
gpointer data)
{
GtkTreeView *view = data;
GtkSortType sort_type;
SortInfo *info = get_sort_info (column);
/* Find out what our current sort indicator is. If it is NONE, then
* select the default for the column, otherwise, select the opposite
*/
if (!gtk_tree_view_column_get_sort_indicator (column))
{
sort_type = info->default_order;
}
else
{
if (gtk_tree_view_column_get_sort_order (column) == GTK_SORT_ASCENDING)
sort_type = GTK_SORT_DESCENDING;
else
sort_type = GTK_SORT_ASCENDING;
}
tree_view_set_sort_column (view, info->model_column, sort_type);
}
GtkTreeViewColumn *
add_plain_text_column (GtkTreeView *view, const gchar *title, gint model_column)
{
GtkCellRenderer *renderer;
GtkTreeViewColumn *column;
renderer = gtk_cell_renderer_text_new ();
g_object_set (renderer, "ellipsize", PANGO_ELLIPSIZE_END, NULL);
column = gtk_tree_view_column_new_with_attributes (title, renderer,
"text", model_column,
NULL);
gtk_tree_view_column_set_resizable (column, TRUE);
gtk_tree_view_append_column (view, column);
set_sort_info (view, column, model_column, GTK_SORT_ASCENDING);
return column;
}
static void
pointer_to_text (GtkTreeViewColumn *tree_column,
GtkCellRenderer *cell, GtkTreeModel *tree_model,
GtkTreeIter *iter, gpointer data)
{
gpointer p;
gchar *text;
int column = GPOINTER_TO_INT (data);
gtk_tree_model_get (tree_model, iter, column, &p, -1);
text = g_strdup_printf ("%p", p);
g_object_set (cell, "text", text, NULL);
g_free (text);
}
typedef struct {
int column;
char *format;
} ColumnInfo;
static void
double_to_text (GtkTreeViewColumn *tree_column,
GtkCellRenderer *cell, GtkTreeModel *tree_model,
GtkTreeIter *iter, gpointer data)
{
gdouble d;
gchar *text;
ColumnInfo *info = data;
gtk_tree_model_get (tree_model, iter, info->column, &d, -1);
text = g_strdup_printf (info->format, d);
g_object_set (cell, "markup", text, NULL);
g_free (text);
}
static void
free_column_info (void *data)
{
ColumnInfo *info = data;
g_free (info->format);
g_free (info);
}
GtkTreeViewColumn *
add_double_format_column (GtkTreeView *view,
const gchar *title,
gint model_column,
const char *format)
{
GtkCellRenderer *renderer;
GtkTreeViewColumn *column;
ColumnInfo *column_info = g_new (ColumnInfo, 1);
renderer = gtk_cell_renderer_text_new ();
g_object_set (renderer, "xalign", 1.0, NULL);
column = gtk_tree_view_column_new ();
gtk_tree_view_column_set_title (column, title);
gtk_tree_view_column_pack_start (column, renderer, TRUE);
gtk_tree_view_column_set_resizable (column, FALSE);
column_info->column = model_column;
column_info->format = g_strdup (format);
gtk_tree_view_column_set_cell_data_func (
column, renderer, double_to_text, column_info, free_column_info);
gtk_tree_view_append_column (view, column);
set_sort_info (view, column, model_column, GTK_SORT_DESCENDING);
return column;
}
GtkTreeViewColumn *
add_pointer_column (GtkTreeView *view, const gchar *title, gint model_column)
{
GtkCellRenderer *renderer;
GtkTreeViewColumn *column;
renderer = gtk_cell_renderer_text_new ();
column = gtk_tree_view_column_new ();
if (title)
gtk_tree_view_column_set_title (column, title);
gtk_tree_view_column_pack_start (column, renderer, TRUE);
gtk_tree_view_column_set_resizable (column, TRUE);
gtk_tree_view_column_set_cell_data_func (
column, renderer, pointer_to_text, GINT_TO_POINTER (model_column), NULL);
gtk_tree_view_append_column (view, column);
return column;
}
void
tree_view_set_model_with_default_sort (GtkTreeView *view,
GtkTreeModel *model,
int model_column,
GtkSortType default_sort)
{
int column;
GtkSortType type;
GtkTreeSortable *old_model;
GtkAdjustment *adjustment;
old_model = GTK_TREE_SORTABLE (gtk_tree_view_get_model (view));
if (!(old_model && gtk_tree_sortable_get_sort_column_id (
GTK_TREE_SORTABLE (old_model), &column, &type)))
{
column = model_column;
type = default_sort;
}
/* Setting the sort column here prevents the "rows_reordered"
* signal from being emitted when the model is attached to
* a treeview. This is desirable because at that point there
* is a handler attached, which means the signal will actually
* be emitted.
*/
gtk_tree_sortable_set_sort_column_id (
GTK_TREE_SORTABLE (model), column, type);
gtk_tree_view_set_model (view, model);
tree_view_set_sort_column (view, column, type);
/* Workaround for GTK+ crack, see bug 405625 */
adjustment = gtk_tree_view_get_vadjustment (view);
if (adjustment)
gtk_adjustment_set_value (adjustment, 0);
}
static void
process_iter (GtkTreeView *view,
GtkTreeIter *iter,
VisibleCallback callback,
gpointer data)
{
GtkTreeModel *model = gtk_tree_view_get_model (view);
GtkTreePath *path;
GtkTreeIter child;
path = gtk_tree_model_get_path (model, iter);
callback (view, path, iter, data);
if (gtk_tree_view_row_expanded (view, path))
{
if (gtk_tree_model_iter_children (model, &child, iter))
{
do
{
process_iter (view, &child, callback, data);
}
while (gtk_tree_model_iter_next (model, &child));
}
}
gtk_tree_path_free (path);
}
void
tree_view_foreach_visible (GtkTreeView *view,
VisibleCallback callback,
gpointer data)
{
GtkTreeModel *model = gtk_tree_view_get_model (view);
GtkTreeIter iter;
if (model && gtk_tree_model_get_iter_first (model, &iter))
process_iter (view, &iter, callback, data);
}
/* Not really a *treeview* utility, but there isn't really a
* better place to put it
*/
void
set_error (GError **err, gint domain, gint code,
const char *format, va_list args)
{
char *msg;
if (!err)
return;
msg = g_strdup_vprintf (format, args);
if (*err == NULL)
{
*err = g_error_new_literal (G_MARKUP_ERROR, code, msg);
}
else
{
/* Warning text from GLib */
g_warning ("GError set over the top of a previous GError or uninitialized memory.\n"
"This indicates a bug in someone's code. You must ensure an error is NULL before it's set.\n"
"The overwriting error message was: %s",
msg);
}
g_free (msg);
}
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