tests/testcombochange.c - external/github.com/GNOME/gtk - Git at Google

 /* 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, see <http://www.gnu.org/licenses/>.
  */

 #include "config.h"
 #include <gtk/gtk.h>
 #include <stdarg.h>

 GtkWidget *text_view;
 GtkListStore *model;
 GArray *contents;

 static char next_value = 'A';

 static void
 test_init (void)
 {
   if (g_file_test ("../modules/input/immodules.cache", G_FILE_TEST_EXISTS))
     g_setenv ("GTK_IM_MODULE_FILE", "../modules/input/immodules.cache", TRUE);
 }

 static void
 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;
   GtkCssProvider *provider;
   GtkStyleContext *context;
   gchar *css_data;

   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);

   context = gtk_widget_get_style_context (combo);

   provider = gtk_css_provider_new ();
   css_data = g_strdup_printf ("#%s { -GtkComboBox-appears-as-list: %s }",
                               name, is_list ? "true" : "false");
   gtk_css_provider_load_from_data (provider, css_data, -1, NULL);
   g_free (css_data);

   gtk_style_context_add_provider (context,
                                   GTK_STYLE_PROVIDER (provider),
                                   GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);

   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);

   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);
   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;

   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 *content_area;
   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, 0,
 					GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
 					NULL);

   content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog));

   hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
   gtk_container_set_border_width (GTK_CONTAINER (hbox), 12);
   gtk_box_pack_start (GTK_BOX (content_area), hbox, TRUE, TRUE, 0);

   combo_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 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_box_new (GTK_ORIENTATION_VERTICAL, 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;
 }
	/* 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, see <http://www.gnu.org/licenses/>.
	*/

	#include "config.h"
	#include <gtk/gtk.h>
	#include <stdarg.h>

	GtkWidget *text_view;
	GtkListStore *model;
	GArray *contents;

	static char next_value = 'A';

	static void
	test_init (void)
	{
	if (g_file_test ("../modules/input/immodules.cache", G_FILE_TEST_EXISTS))
	g_setenv ("GTK_IM_MODULE_FILE", "../modules/input/immodules.cache", TRUE);
	}

	static void
	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;
	GtkCssProvider *provider;
	GtkStyleContext *context;
	gchar *css_data;

	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);

	context = gtk_widget_get_style_context (combo);

	provider = gtk_css_provider_new ();
	css_data = g_strdup_printf ("#%s { -GtkComboBox-appears-as-list: %s }",
	name, is_list ? "true" : "false");
	gtk_css_provider_load_from_data (provider, css_data, -1, NULL);
	g_free (css_data);

	gtk_style_context_add_provider (context,
	GTK_STYLE_PROVIDER (provider),
	GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);

	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);

	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);
	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;

	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 *content_area;
	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, 0,
	GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
	NULL);

	content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog));

	hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
	gtk_container_set_border_width (GTK_CONTAINER (hbox), 12);
	gtk_box_pack_start (GTK_BOX (content_area), hbox, TRUE, TRUE, 0);

	combo_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 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_box_new (GTK_ORIENTATION_VERTICAL, 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;
	}