forked from AuroraMiddleware/gtk
386b63b85d
In 99.9% of all cases, these are just NULL, NULL. So just do away with these arguments, people can use the setters for the rare cases where they want the scrolled window to use a different adjustment.
284 lines
7.6 KiB
C
284 lines
7.6 KiB
C
/* testcombochange.c
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* Copyright (C) 2004 Red Hat, Inc.
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* Author: Owen Taylor
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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#include <stdarg.h>
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GtkWidget *text_view;
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GtkListStore *model;
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GArray *contents;
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static char next_value = 'A';
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static void
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test_init (void)
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{
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if (g_file_test ("../modules/input/immodules.cache", G_FILE_TEST_EXISTS))
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g_setenv ("GTK_IM_MODULE_FILE", "../modules/input/immodules.cache", TRUE);
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}
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G_GNUC_PRINTF (1, 2) static void
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combochange_log (const char *fmt,
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...)
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{
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GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
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GtkTextIter iter;
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va_list vap;
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char *msg;
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GString *order_string;
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GtkTextMark *tmp_mark;
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int i;
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va_start (vap, fmt);
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msg = g_strdup_vprintf (fmt, vap);
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gtk_text_buffer_get_end_iter (buffer, &iter);
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gtk_text_buffer_insert (buffer, &iter, msg, -1);
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order_string = g_string_new ("\n ");
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for (i = 0; i < contents->len; i++)
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{
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if (i)
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g_string_append_c (order_string, ' ');
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g_string_append_c (order_string, g_array_index (contents, char, i));
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}
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g_string_append_c (order_string, '\n');
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gtk_text_buffer_insert (buffer, &iter, order_string->str, -1);
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g_string_free (order_string, TRUE);
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tmp_mark = gtk_text_buffer_create_mark (buffer, NULL, &iter, FALSE);
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gtk_text_view_scroll_mark_onscreen (GTK_TEXT_VIEW (text_view), tmp_mark);
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gtk_text_buffer_delete_mark (buffer, tmp_mark);
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g_free (msg);
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}
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static void
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on_insert (void)
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{
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GtkTreeIter iter;
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int insert_pos;
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char new_value[2];
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new_value[0] = next_value++;
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new_value[1] = '\0';
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if (next_value > 'Z')
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next_value = 'A';
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if (contents->len)
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insert_pos = g_random_int_range (0, contents->len + 1);
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else
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insert_pos = 0;
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gtk_list_store_insert (model, &iter, insert_pos);
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gtk_list_store_set (model, &iter, 0, new_value, -1);
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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);
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}
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static void
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on_delete (void)
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{
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GtkTreeIter iter;
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int delete_pos;
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char old_val;
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if (!contents->len)
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return;
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delete_pos = g_random_int_range (0, contents->len);
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gtk_tree_model_iter_nth_child (GTK_TREE_MODEL (model), &iter, NULL, delete_pos);
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gtk_list_store_remove (model, &iter);
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old_val = g_array_index (contents, char, delete_pos);
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g_array_remove_index (contents, delete_pos);
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combochange_log ("Deleted '%c' from position %d", old_val, delete_pos);
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}
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static void
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on_reorder (void)
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{
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GArray *new_contents;
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gint *shuffle_array;
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gint i;
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shuffle_array = g_new (int, contents->len);
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for (i = 0; i < contents->len; i++)
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shuffle_array[i] = i;
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for (i = 0; i + 1 < contents->len; i++)
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{
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gint pos = g_random_int_range (i, contents->len);
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gint tmp;
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tmp = shuffle_array[i];
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shuffle_array[i] = shuffle_array[pos];
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shuffle_array[pos] = tmp;
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}
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gtk_list_store_reorder (model, shuffle_array);
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new_contents = g_array_new (FALSE, FALSE, sizeof (char));
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for (i = 0; i < contents->len; i++)
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g_array_append_val (new_contents,
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g_array_index (contents, char, shuffle_array[i]));
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g_array_free (contents, TRUE);
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contents = new_contents;
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combochange_log ("Reordered array");
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g_free (shuffle_array);
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}
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static int n_animations = 0;
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static int timer = 0;
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static gint
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animation_timer (gpointer data)
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{
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switch (g_random_int_range (0, 3))
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{
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case 0:
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on_insert ();
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break;
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case 1:
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on_delete ();
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break;
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case 2:
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on_reorder ();
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break;
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default:
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g_assert_not_reached ();
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}
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n_animations--;
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return n_animations > 0;
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}
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static void
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on_animate (void)
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{
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n_animations += 20;
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timer = g_timeout_add (1000, (GSourceFunc) animation_timer, NULL);
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}
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int
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main (int argc, char **argv)
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{
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GtkWidget *content_area;
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GtkWidget *window;
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GtkWidget *scrolled_window;
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GtkWidget *hbox;
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GtkWidget *button_vbox;
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GtkWidget *combo_vbox;
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GtkWidget *button;
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GtkWidget *combo;
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GtkCellRenderer *cell_renderer;
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test_init ();
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gtk_init ();
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model = gtk_list_store_new (1, G_TYPE_STRING);
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contents = g_array_new (FALSE, FALSE, sizeof (char));
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window = gtk_window_new ();
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gtk_window_set_title (GTK_WINDOW (window), "ComboBox Change");
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content_area = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
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gtk_window_set_child (GTK_WINDOW (window), content_area);
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hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
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gtk_box_append (GTK_BOX (content_area), hbox);
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combo_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
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gtk_box_append (GTK_BOX (hbox), combo_vbox);
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combo = gtk_combo_box_new_with_model (GTK_TREE_MODEL (model));
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cell_renderer = gtk_cell_renderer_text_new ();
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gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), cell_renderer, TRUE);
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gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo), cell_renderer,
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"text", 0, NULL);
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gtk_widget_set_margin_start (combo, 12);
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gtk_box_append (GTK_BOX (combo_vbox), combo);
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scrolled_window = gtk_scrolled_window_new ();
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gtk_widget_set_hexpand (scrolled_window, TRUE);
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gtk_box_append (GTK_BOX (hbox), scrolled_window);
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gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
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GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
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text_view = gtk_text_view_new ();
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gtk_text_view_set_editable (GTK_TEXT_VIEW (text_view), FALSE);
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gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (text_view), FALSE);
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gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (scrolled_window), text_view);
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button_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
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gtk_box_append (GTK_BOX (hbox), button_vbox);
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gtk_window_set_default_size (GTK_WINDOW (window), 500, 300);
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button = gtk_button_new_with_label ("Insert");
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gtk_box_append (GTK_BOX (button_vbox), button);
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g_signal_connect (button, "clicked", G_CALLBACK (on_insert), NULL);
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button = gtk_button_new_with_label ("Delete");
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gtk_box_append (GTK_BOX (button_vbox), button);
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g_signal_connect (button, "clicked", G_CALLBACK (on_delete), NULL);
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button = gtk_button_new_with_label ("Reorder");
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gtk_box_append (GTK_BOX (button_vbox), button);
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g_signal_connect (button, "clicked", G_CALLBACK (on_reorder), NULL);
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button = gtk_button_new_with_label ("Animate");
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gtk_box_append (GTK_BOX (button_vbox), button);
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g_signal_connect (button, "clicked", G_CALLBACK (on_animate), NULL);
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GtkWidget *close_button = gtk_button_new_with_mnemonic ("_Close");
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gtk_widget_set_hexpand (close_button, TRUE);
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gtk_box_append (GTK_BOX (content_area), close_button);
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gtk_widget_show (window);
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GMainLoop *loop = g_main_loop_new (NULL, FALSE);
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g_signal_connect_swapped (close_button, "clicked",
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G_CALLBACK (gtk_window_destroy),
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window);
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g_signal_connect_swapped (window, "destroy",
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G_CALLBACK (g_main_loop_quit),
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loop);
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g_main_loop_run (loop);
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g_main_loop_unref (loop);
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return 0;
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}
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