5ec56d2e6e
Make the overlayscroll example use the overlay scrolling that is now built into GtkScrolledWindow, instead of the manual prototype.
99 lines
2.9 KiB
C
99 lines
2.9 KiB
C
/* simple.c
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* Copyright (C) 1997 Red Hat, Inc
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* Author: Elliot Lee
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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 <gtk/gtk.h>
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#include <string.h>
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static gchar *
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get_content (void)
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{
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GString *s;
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gint i;
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s = g_string_new ("");
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for (i = 1; i <= 150; i++)
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g_string_append_printf (s, "Line %d\n", i);
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return g_string_free (s, FALSE);
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}
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static void
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mode_changed (GtkComboBox *combo, GtkScrolledWindow *sw)
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{
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gint active = gtk_combo_box_get_active (combo);
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gtk_scrolled_window_set_overlay_scrolling (sw, active == 1);
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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 *window;
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gchar *content;
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GtkWidget *box;
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GtkWidget *sw;
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GtkWidget *tv;
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GtkWidget *sb2;
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GtkWidget *combo;
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GtkAdjustment *adj;
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gtk_init (&argc, &argv);
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_window_set_default_size (GTK_WINDOW (window), 640, 480);
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g_signal_connect (window, "delete-event", G_CALLBACK (gtk_main_quit), NULL);
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box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 20);
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gtk_container_add (GTK_CONTAINER (window), box);
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sw = gtk_scrolled_window_new (NULL, NULL);
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gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
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GTK_POLICY_NEVER,
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GTK_POLICY_AUTOMATIC);
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gtk_box_pack_start (GTK_BOX (box), sw, TRUE, TRUE, 0);
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content = get_content ();
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tv = gtk_text_view_new ();
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gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (tv), GTK_WRAP_WORD);
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gtk_container_add (GTK_CONTAINER (sw), tv);
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gtk_text_buffer_set_text (gtk_text_view_get_buffer (GTK_TEXT_VIEW (tv)),
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content, -1);
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g_free (content);
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adj = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (tv));
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combo = gtk_combo_box_text_new ();
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gtk_widget_set_valign (combo, GTK_ALIGN_START);
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gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Traditional");
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gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Overlay");
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g_signal_connect (combo, "changed", G_CALLBACK (mode_changed), sw);
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gtk_combo_box_set_active (GTK_COMBO_BOX (combo), 1);
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gtk_container_add (GTK_CONTAINER (box), combo);
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sb2 = gtk_scrollbar_new (GTK_ORIENTATION_VERTICAL, adj);
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gtk_container_add (GTK_CONTAINER (box), sb2);
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gtk_widget_show_all (window);
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gtk_main ();
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return 0;
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}
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