zenity/src/tree.c

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/*
* tree.c
*
* Copyright (C) 2002 Sun Microsystems, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Authors: Glynn Foster <glynn.foster@sun.com>
* Jonathan Blanford <jrb@redhat.com>
* Kristian Rietveld <kris@gtk.org>
*/
#include <glade/glade.h>
#include <string.h>
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#include "zenity.h"
#include "util.h"
#define MAX_ELEMENTS_BEFORE_SCROLLING 8
static GladeXML *glade_dialog;
static GSList *selected;
static gchar *separator;
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static void zenity_tree_dialog_response (GtkWidget *widget, int response, gpointer data);
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static void
zenity_tree_toggled_callback (GtkCellRendererToggle *cell, gchar *path_string, gpointer data)
{
GtkTreeModel *model;
GtkTreeIter iter;
GtkTreePath *path;
gboolean value;
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model = GTK_TREE_MODEL (data);
path = gtk_tree_path_new_from_string (path_string);
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gtk_tree_model_get_iter (model, &iter, path);
gtk_tree_model_get (model, &iter, 0, &value, -1);
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value = !value;
gtk_list_store_set (GTK_LIST_STORE (model), &iter, 0, value, -1);
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gtk_tree_path_free (path);
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}
static void
zenity_tree_fill_entries (GtkTreeView *tree_view,
const gchar **args,
gint n_columns,
gboolean toggles,
gboolean editable)
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{
GtkTreeModel *model;
GtkTreeIter iter;
gint i = 0;
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model = gtk_tree_view_get_model (tree_view);
while (args[i] != NULL) {
gint j;
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gtk_list_store_append (GTK_LIST_STORE (model), &iter);
for (j = 0; j < n_columns; j++) {
if (toggles && j == 0) {
if (strcmp (args[i+j], "TRUE") == 0)
gtk_list_store_set (GTK_LIST_STORE (model), &iter, j, TRUE, -1);
else
gtk_list_store_set (GTK_LIST_STORE (model), &iter, j, FALSE, -1);
}
else
gtk_list_store_set (GTK_LIST_STORE (model), &iter, j, args[i+j], -1);
}
if (editable)
gtk_list_store_set (GTK_LIST_STORE (model), &iter, n_columns, TRUE, -1);
if (i == MAX_ELEMENTS_BEFORE_SCROLLING) {
GtkWidget *scrolled_window;
GtkRequisition rectangle;
gtk_widget_size_request (GTK_WIDGET (tree_view), &rectangle);
scrolled_window = glade_xml_get_widget (glade_dialog, "zenity_tree_window");
gtk_widget_set_size_request (scrolled_window, -1, rectangle.height);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
}
i += n_columns;
}
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}
static void
zenity_cell_edited_callback (GtkCellRendererText *cell,
const gchar *path_string,
const gchar *new_text,
gpointer data)
{
GtkTreeModel *model;
GtkTreePath *path;
GtkTreeIter iter;
gint column;
model = GTK_TREE_MODEL (data);
path = gtk_tree_path_new_from_string (path_string);
column = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (cell), "column"));
gtk_tree_model_get_iter (model, &iter, path);
gtk_list_store_set (GTK_LIST_STORE (model), &iter, column, new_text, -1);
gtk_tree_path_free (path);
}
void
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zenity_tree (ZenityData *data, ZenityTreeData *tree_data)
{
GtkWidget *dialog;
GtkWidget *tree_view;
GtkTreeViewColumn *column;
GtkListStore *model;
GType *column_types;
GSList *tmp;
gboolean first_column = FALSE;
gint i, column_index, n_columns;
glade_dialog = zenity_util_load_glade_file ("zenity_tree_dialog");
if (glade_dialog == NULL) {
data->exit_code = -1;
return;
}
separator = g_strdup (tree_data->separator);
n_columns = g_slist_length (tree_data->columns);
if (n_columns == 0) {
g_printerr (_("No column titles specified for --list\n"));
data->exit_code = -1;
return;
}
if (tree_data->data == NULL) {
g_printerr (_("No contents specified for --list\n"));
data->exit_code = -1;
return;
}
glade_xml_signal_autoconnect (glade_dialog);
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dialog = glade_xml_get_widget (glade_dialog, "zenity_tree_dialog");
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g_signal_connect (G_OBJECT (dialog), "response",
G_CALLBACK (zenity_tree_dialog_response), data);
if (data->dialog_title)
gtk_window_set_title (GTK_WINDOW (dialog), data->dialog_title);
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if (data->window_icon)
zenity_util_set_window_icon (dialog, data->window_icon);
else
zenity_util_set_window_icon (dialog, ZENITY_IMAGE_FULLPATH ("zenity-list.png"));
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tree_view = glade_xml_get_widget (glade_dialog, "zenity_tree_view");
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/* Create an empty list store */
model = g_object_new (GTK_TYPE_LIST_STORE, NULL);
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if (tree_data->editable)
column_types = g_new (GType, n_columns + 1);
else
column_types = g_new (GType, n_columns);
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for (i = 0; i < n_columns; i++) {
/* Have the limitation that the radioboxes and checkboxes are in the first column */
if (i == 0 && (tree_data->checkbox || tree_data->radiobox))
column_types[i] = G_TYPE_BOOLEAN;
else
column_types[i] = G_TYPE_STRING;
}
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if (tree_data->editable)
column_types[n_columns] = G_TYPE_BOOLEAN;
if (tree_data->editable)
gtk_list_store_set_column_types (model, n_columns + 1, column_types);
else
gtk_list_store_set_column_types (model, n_columns, column_types);
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gtk_tree_view_set_model (GTK_TREE_VIEW (tree_view), GTK_TREE_MODEL (model));
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gtk_tree_selection_set_mode (gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view)),
GTK_SELECTION_MULTIPLE);
column_index = 0;
for (tmp = tree_data->columns; tmp; tmp = tmp->next) {
if (!first_column) {
if (tree_data->checkbox || tree_data->radiobox) {
GtkCellRenderer *cell_renderer;
cell_renderer = gtk_cell_renderer_toggle_new ();
if (tree_data->radiobox)
g_object_set (G_OBJECT (cell_renderer), "radio", TRUE, NULL);
g_signal_connect (cell_renderer, "toggled",
G_CALLBACK (zenity_tree_toggled_callback), model);
column = gtk_tree_view_column_new_with_attributes (tmp->data,
cell_renderer,
"active", column_index, NULL);
}
else {
if (tree_data->editable) {
GtkCellRenderer *cell_renderer;
cell_renderer = gtk_cell_renderer_text_new ();
g_signal_connect (G_OBJECT (cell_renderer), "edited",
G_CALLBACK (zenity_cell_edited_callback),
gtk_tree_view_get_model (GTK_TREE_VIEW (tree_view)));
g_object_set_data (G_OBJECT (cell_renderer), "column", (gint *) column_index);
column = gtk_tree_view_column_new_with_attributes (tmp->data,
cell_renderer,
"text", column_index,
"editable", n_columns,
NULL);
}
else {
column = gtk_tree_view_column_new_with_attributes (tmp->data,
gtk_cell_renderer_text_new (),
"text", column_index,
NULL);
}
gtk_tree_view_column_set_sort_column_id (column, column_index);
gtk_tree_view_column_set_resizable (column, TRUE);
}
first_column = TRUE;
}
else {
if (tree_data->editable) {
GtkCellRenderer *cell_renderer;
cell_renderer = gtk_cell_renderer_text_new ();
g_signal_connect (G_OBJECT (cell_renderer), "edited",
G_CALLBACK (zenity_cell_edited_callback),
gtk_tree_view_get_model (GTK_TREE_VIEW (tree_view)));
g_object_set_data (G_OBJECT (cell_renderer), "column", (gint *) column_index);
column = gtk_tree_view_column_new_with_attributes (tmp->data,
cell_renderer,
"text", column_index,
"editable", n_columns,
NULL);
}
else {
column = gtk_tree_view_column_new_with_attributes (tmp->data,
gtk_cell_renderer_text_new (),
"text", column_index, NULL);
}
gtk_tree_view_column_set_sort_column_id (column, column_index);
gtk_tree_view_column_set_resizable (column, TRUE);
}
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gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view), column);
column_index++;
}
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gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (tree_view), TRUE);
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if (tree_data->radiobox || tree_data->checkbox)
zenity_tree_fill_entries (GTK_TREE_VIEW (tree_view), tree_data->data, n_columns, TRUE, tree_data->editable);
else
zenity_tree_fill_entries (GTK_TREE_VIEW (tree_view), tree_data->data, n_columns, FALSE, tree_data->editable);
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gtk_widget_show (dialog);
gtk_main ();
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if (glade_dialog)
g_object_unref (glade_dialog);
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}
static void
zenity_tree_dialog_get_selected (GtkTreeModel *model, GtkTreePath *path_buf, GtkTreeIter *iter, GtkTreeView *tree_view)
{
GValue value = {0, };
gtk_tree_model_get_value (model, iter, 0, &value);
selected = g_slist_append (selected, g_strdup (g_value_get_string (&value)));
g_value_unset (&value);
}
static gboolean
zenity_tree_dialog_toggle_get_selected (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data)
{
GValue toggle_value = {0, };
gtk_tree_model_get_value (model, iter, 0, &toggle_value);
if (g_value_get_boolean (&toggle_value)) {
GValue value = {0, };
gtk_tree_model_get_value (model, iter, 1, &value);
selected = g_slist_append (selected, g_strdup (g_value_get_string (&value)));
g_value_unset (&value);
}
g_value_unset (&toggle_value);
return FALSE;
}
static void
zenity_tree_dialog_output (void)
{
GSList *tmp;
for (tmp = selected; tmp; tmp = tmp->next) {
if (tmp->next != NULL) {
/* FIXME: There must be a nicer way to do this. This is just arse */
if (strstr ((const gchar *) separator, (const gchar *) "\\n") != NULL)
g_printerr ("%s\n", tmp->data);
else if (strstr ((const gchar *) separator, (const gchar *) "\\t") != NULL)
g_printerr ("%s\t", tmp->data);
else
g_printerr ("%s%s", tmp->data, separator);
}
else
g_printerr ("%s\n", tmp->data);
}
g_free (separator);
g_slist_foreach (selected, (GFunc) g_free, NULL);
selected = NULL;
}
static void
zenity_tree_dialog_response (GtkWidget *widget, int response, gpointer data)
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{
ZenityData *zen_data = data;
GtkWidget *tree_view;
GtkTreeSelection *selection;
GtkTreeModel *model;
switch (response) {
case GTK_RESPONSE_OK:
tree_view = glade_xml_get_widget (glade_dialog, "zenity_tree_view");
model = gtk_tree_view_get_model (GTK_TREE_VIEW (tree_view));
if (gtk_tree_model_get_column_type (model, 0) == G_TYPE_BOOLEAN)
gtk_tree_model_foreach (model, (GtkTreeModelForeachFunc) zenity_tree_dialog_toggle_get_selected, NULL);
else {
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
gtk_tree_selection_selected_foreach (selection,
(GtkTreeSelectionForeachFunc) zenity_tree_dialog_get_selected,
GTK_TREE_VIEW (tree_view));
}
zenity_tree_dialog_output ();
zen_data->exit_code = 0;
gtk_main_quit ();
break;
case GTK_RESPONSE_CANCEL:
zen_data->exit_code = 1;
gtk_main_quit ();
break;
default:
/* Esc dialog */
zen_data->exit_code = 1;
break;
}
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}