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shell: Add GtkListBox helpers

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Add helpers for GtkListBox sizing, and setting separators.

https://bugzilla.gnome.org/show_bug.cgi?id=732106
This commit is contained in:
Bastien Nocera 2014-06-23 15:34:02 +02:00
parent cbeba7c6bf
commit b3a61bc6f5
3 changed files with 101 additions and 0 deletions
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2
shell/Makefile.am
View file

@ -41,6 +41,8 @@ gnome_control_center_SOURCES = \
hostname-helper.h \
cc-hostname-entry.c \
cc-hostname-entry.h \
list-box-helper.h \
list-box-helper.c \
$(MARSHAL_FILES)
gnome_control_center_LDFLAGS = -export-dynamic

72
shell/list-box-helper.c Normal file
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@ -0,0 +1,72 @@
/*
* Copyright (C) 2014 Red Hat, Inc
*
* 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "list-box-helper.h"
#define MAX_ROWS_VISIBLE 5
void
cc_list_box_update_header_func (GtkListBoxRow *row,
GtkListBoxRow *before,
gpointer user_data)
{
GtkWidget *current;
if (before == NULL)
return;
current = gtk_list_box_row_get_header (row);
if (current == NULL)
{
current = gtk_separator_new (GTK_ORIENTATION_HORIZONTAL);
gtk_widget_show (current);
gtk_list_box_row_set_header (row, current);
}
}
void
cc_list_box_adjust_scrolling (GtkScrolledWindow *scrolled_window)
{
GtkWidget *listbox;
GtkWidget *parent;
GList *children;
guint n_rows;
listbox = gtk_bin_get_child (GTK_BIN (scrolled_window));
parent = gtk_widget_get_parent (GTK_WIDGET (scrolled_window));
children = gtk_container_get_children (GTK_CONTAINER (listbox));
n_rows = g_list_length (children);
g_list_free (children);
if (n_rows >= MAX_ROWS_VISIBLE)
{
gint height;
gtk_widget_get_preferred_height (parent, NULL, &height);
gtk_widget_set_size_request (parent, -1, height);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
}
else
{
gtk_widget_set_size_request (parent, -1, -1);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
GTK_POLICY_NEVER, GTK_POLICY_NEVER);
}
}

27
shell/list-box-helper.h Normal file
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@ -0,0 +1,27 @@
/*
* Copyright (C) 2014 Red Hat, Inc
*
* 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, see <http://www.gnu.org/licenses/>.
*
*/
#include <gtk/gtk.h>
void
cc_list_box_update_header_func (GtkListBoxRow *row,
GtkListBoxRow *before,
gpointer user_data);
void
cc_list_box_adjust_scrolling (GtkScrolledWindow *scrolled_window);