Learning_GTK4_tree/tests/syncscroll.c

76 lines
2.2 KiB
C
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2023-12-12 11:36:42 +01:00
#include <gtk/gtk.h>
static void
fill_text_view (GtkWidget *tv, const char *text)
{
int i;
GString *s;
s = g_string_new ("");
for (i = 0; i < 200; i++)
g_string_append_printf (s, "%s %d\n", text, i);
gtk_text_buffer_set_text (gtk_text_view_get_buffer (GTK_TEXT_VIEW (tv)),
g_string_free (s, FALSE), -1);
}
int
main (int argc, char *argv[])
{
GtkWidget *win, *box, *tv, *sw, *sb;
GtkAdjustment *adj;
gtk_init ();
win = gtk_window_new ();
gtk_window_set_default_size (GTK_WINDOW (win), 640, 480);
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 5);
gtk_window_set_child (GTK_WINDOW (win), box);
sw = gtk_scrolled_window_new ();
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
GTK_POLICY_NEVER,
GTK_POLICY_EXTERNAL);
gtk_widget_set_hexpand (sw, TRUE);
gtk_box_append (GTK_BOX (box), sw);
tv = gtk_text_view_new ();
fill_text_view (tv, "Left");
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), tv);
adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (sw));
sw = gtk_scrolled_window_new ();
gtk_scrolled_window_set_vadjustment (GTK_SCROLLED_WINDOW (sw), adj);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
GTK_POLICY_NEVER,
GTK_POLICY_EXTERNAL);
gtk_widget_set_hexpand (sw, TRUE);
gtk_box_append (GTK_BOX (box), sw);
tv = gtk_text_view_new ();
fill_text_view (tv, "Middle");
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), tv);
sw = gtk_scrolled_window_new ();
gtk_scrolled_window_set_vadjustment (GTK_SCROLLED_WINDOW (sw), adj);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
GTK_POLICY_NEVER,
GTK_POLICY_EXTERNAL);
gtk_widget_set_hexpand (sw, TRUE);
gtk_box_append (GTK_BOX (box), sw);
tv = gtk_text_view_new ();
fill_text_view (tv, "Right");
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), tv);
sb = gtk_scrollbar_new (GTK_ORIENTATION_VERTICAL, adj);
gtk_box_append (GTK_BOX (box), sb);
gtk_window_present (GTK_WINDOW (win));
while (TRUE)
g_main_context_iteration (NULL, TRUE);
return 0;
}