gtk2/tests/testcombochange.c

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2005-07-13 05:44:22 +00:00
/* testcombochange.c
* Copyright (C) 2004 Red Hat, Inc.
* Author: Owen Taylor
*
* 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.
*/
#include <config.h>
#include <gtk/gtk.h>
#include <stdarg.h>
GtkWidget *text_view;
GtkListStore *model;
GArray *contents;
static char next_value = 'A';
static void
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test_init (void)
{
if (g_file_test ("../gdk-pixbuf/libpixbufloader-pnm.la",
G_FILE_TEST_EXISTS))
{
g_setenv ("GDK_PIXBUF_MODULE_FILE", "../gdk-pixbuf/gdk-pixbuf.loaders", TRUE);
g_setenv ("GTK_IM_MODULE_FILE", "../modules/input/gtk.immodules", TRUE);
}
}
static void
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combochange_log (const char *fmt,
...)
{
GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
GtkTextIter iter;
va_list vap;
char *msg;
GString *order_string;
GtkTextMark *tmp_mark;
int i;
va_start (vap, fmt);
msg = g_strdup_vprintf (fmt, vap);
gtk_text_buffer_get_end_iter (buffer, &iter);
gtk_text_buffer_insert (buffer, &iter, msg, -1);
order_string = g_string_new ("\n ");
for (i = 0; i < contents->len; i++)
{
if (i)
g_string_append_c (order_string, ' ');
g_string_append_c (order_string, g_array_index (contents, char, i));
}
g_string_append_c (order_string, '\n');
gtk_text_buffer_insert (buffer, &iter, order_string->str, -1);
g_string_free (order_string, TRUE);
tmp_mark = gtk_text_buffer_create_mark (buffer, NULL, &iter, FALSE);
gtk_text_view_scroll_mark_onscreen (GTK_TEXT_VIEW (text_view), tmp_mark);
gtk_text_buffer_delete_mark (buffer, tmp_mark);
g_free (msg);
}
static GtkWidget *
align_button_new (const char *text)
{
GtkWidget *button = gtk_button_new ();
GtkWidget *label = gtk_label_new (text);
gtk_container_add (GTK_CONTAINER (button), label);
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
return button;
}
static GtkWidget *
create_combo (const char *name,
gboolean is_list)
{
GtkCellRenderer *cell_renderer;
GtkWidget *combo;
char *rc_string;
rc_string = g_strdup_printf ("style \"%s-style\" {\n"
" GtkComboBox::appears-as-list = %d\n"
"}\n"
"\n"
"widget \"*.%s\" style \"%s-style\"",
name, is_list, name, name);
gtk_rc_parse_string (rc_string);
g_free (rc_string);
combo = gtk_combo_box_new_with_model (GTK_TREE_MODEL (model));
cell_renderer = gtk_cell_renderer_text_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), cell_renderer, TRUE);
gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo), cell_renderer,
"text", 0, NULL);
gtk_widget_set_name (combo, name);
return combo;
}
static void
on_insert (void)
{
GtkTreeIter iter;
int insert_pos;
char new_value[2];
new_value[0] = next_value++;
new_value[1] = '\0';
if (next_value > 'Z')
next_value = 'A';
if (contents->len)
insert_pos = g_random_int_range (0, contents->len + 1);
else
insert_pos = 0;
gtk_list_store_insert (model, &iter, insert_pos);
gtk_list_store_set (model, &iter, 0, new_value, -1);
g_array_insert_val (contents, insert_pos, new_value);
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combochange_log ("Inserted '%c' at position %d", new_value[0], insert_pos);
}
static void
on_delete (void)
{
GtkTreeIter iter;
int delete_pos;
char old_val;
if (!contents->len)
return;
delete_pos = g_random_int_range (0, contents->len);
gtk_tree_model_iter_nth_child (GTK_TREE_MODEL (model), &iter, NULL, delete_pos);
gtk_list_store_remove (model, &iter);
old_val = g_array_index (contents, char, delete_pos);
g_array_remove_index (contents, delete_pos);
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combochange_log ("Deleted '%c' from position %d", old_val, delete_pos);
}
static void
on_reorder (void)
{
GArray *new_contents;
gint *shuffle_array;
gint i;
shuffle_array = g_new (int, contents->len);
for (i = 0; i < contents->len; i++)
shuffle_array[i] = i;
for (i = 0; i + 1 < contents->len; i++)
{
gint pos = g_random_int_range (i, contents->len);
gint tmp;
tmp = shuffle_array[i];
shuffle_array[i] = shuffle_array[pos];
shuffle_array[pos] = tmp;
}
gtk_list_store_reorder (model, shuffle_array);
new_contents = g_array_new (FALSE, FALSE, sizeof (char));
for (i = 0; i < contents->len; i++)
g_array_append_val (new_contents,
g_array_index (contents, char, shuffle_array[i]));
g_array_free (contents, TRUE);
contents = new_contents;
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combochange_log ("Reordered array");
g_free (shuffle_array);
}
static int n_animations = 0;
static int timer = 0;
static gint
animation_timer (gpointer data)
{
switch (g_random_int_range (0, 3))
{
case 0:
on_insert ();
break;
case 1:
on_delete ();
break;
case 2:
on_reorder ();
break;
}
n_animations--;
return n_animations > 0;
}
static void
on_animate (void)
{
n_animations += 20;
timer = gdk_threads_add_timeout (1000, (GSourceFunc) animation_timer, NULL);
}
int
main (int argc, char **argv)
{
GtkWidget *dialog;
GtkWidget *scrolled_window;
GtkWidget *hbox;
GtkWidget *button_vbox;
GtkWidget *combo_vbox;
GtkWidget *button;
GtkWidget *menu_combo;
GtkWidget *alignment;
GtkWidget *label;
GtkWidget *list_combo;
test_init ();
gtk_init (&argc, &argv);
model = gtk_list_store_new (1, G_TYPE_STRING);
contents = g_array_new (FALSE, FALSE, sizeof (char));
dialog = gtk_dialog_new_with_buttons ("GtkComboBox model changes",
NULL, GTK_DIALOG_NO_SEPARATOR,
GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
NULL);
hbox = gtk_hbox_new (FALSE, 12);
gtk_container_set_border_width (GTK_CONTAINER (hbox), 12);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), hbox, TRUE, TRUE, 0);
combo_vbox = gtk_vbox_new (FALSE, 8);
gtk_box_pack_start (GTK_BOX (hbox), combo_vbox, FALSE, FALSE, 0);
label = gtk_label_new (NULL);
gtk_label_set_markup (GTK_LABEL (label), "<b>Menu mode</b>");
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_box_pack_start (GTK_BOX (combo_vbox), label, FALSE, FALSE, 0);
alignment = g_object_new (GTK_TYPE_ALIGNMENT, "left-padding", 12, NULL);
gtk_box_pack_start (GTK_BOX (combo_vbox), alignment, FALSE, FALSE, 0);
menu_combo = create_combo ("menu-combo", FALSE);
gtk_container_add (GTK_CONTAINER (alignment), menu_combo);
label = gtk_label_new (NULL);
gtk_label_set_markup (GTK_LABEL (label), "<b>List mode</b>");
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_box_pack_start (GTK_BOX (combo_vbox), label, FALSE, FALSE, 0);
alignment = g_object_new (GTK_TYPE_ALIGNMENT, "left-padding", 12, NULL);
gtk_box_pack_start (GTK_BOX (combo_vbox), alignment, FALSE, FALSE, 0);
list_combo = create_combo ("list-combo", TRUE);
gtk_container_add (GTK_CONTAINER (alignment), list_combo);
scrolled_window = gtk_scrolled_window_new (NULL, NULL);
gtk_box_pack_start (GTK_BOX (hbox), scrolled_window, TRUE, TRUE, 0);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
text_view = gtk_text_view_new ();
gtk_text_view_set_editable (GTK_TEXT_VIEW (text_view), FALSE);
gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (text_view), FALSE);
gtk_container_add (GTK_CONTAINER (scrolled_window), text_view);
button_vbox = gtk_vbox_new (FALSE, 8);
gtk_box_pack_start (GTK_BOX (hbox), button_vbox, FALSE, FALSE, 0);
gtk_window_set_default_size (GTK_WINDOW (dialog), 500, 300);
button = align_button_new ("Insert");
gtk_box_pack_start (GTK_BOX (button_vbox), button, FALSE, FALSE, 0);
g_signal_connect (button, "clicked", G_CALLBACK (on_insert), NULL);
button = align_button_new ("Delete");
gtk_box_pack_start (GTK_BOX (button_vbox), button, FALSE, FALSE, 0);
g_signal_connect (button, "clicked", G_CALLBACK (on_delete), NULL);
button = align_button_new ("Reorder");
gtk_box_pack_start (GTK_BOX (button_vbox), button, FALSE, FALSE, 0);
g_signal_connect (button, "clicked", G_CALLBACK (on_reorder), NULL);
button = align_button_new ("Animate");
gtk_box_pack_start (GTK_BOX (button_vbox), button, FALSE, FALSE, 0);
g_signal_connect (button, "clicked", G_CALLBACK (on_animate), NULL);
gtk_widget_show_all (dialog);
gtk_dialog_run (GTK_DIALOG (dialog));
return 0;
}