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#include <stdio.h>
#include <gtk/gtk.h>
/* 创建一个"信息"列表 */
GtkWidget *create_list( void )
{
GtkWidget *scrolled_window;
GtkWidget *tree_view;
GtkListStore *model;
GtkTreeIter iter;
GtkCellRenderer *cell;
GtkTreeViewColumn *column;
int i;
/* 创建一个新的滚动窗口(scrolled window)，只有需要时，滚动条才出现 */
scrolled_window = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
model = gtk_list_store_new (1, G_TYPE_STRING);
tree_view = gtk_tree_view_new ();
gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (scrolled_window),
tree_view);
gtk_tree_view_set_model (GTK_TREE_VIEW (tree_view), GTK_TREE_MODEL (model));
gtk_widget_show (tree_view);
/* 在窗口中添加一些消息 */
for (i = 0; i < 10; i++) {
gchar *msg = g_strdup_printf ("Message #%d", i);
gtk_list_store_append (GTK_LIST_STORE (model), &iter);
gtk_list_store_set (GTK_LIST_STORE (model),
&iter,
0, msg,
-1);
g_free (msg);
}
cell = gtk_cell_renderer_text_new ();
column = gtk_tree_view_column_new_with_attributes ("Messages",
cell,
"text", 0,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view),
GTK_TREE_VIEW_COLUMN (column));
return scrolled_window;
}
/* 向文本构件中添加一些文本 - 这是当窗口被实例化(realized)时调用的回调函数。
* 我们也可以用 gtk_widget_realize 强行将窗口实例化，但这必须在它的层次关系
* 确定后(be part of a hierarchy)才行。 */
// 译者注： 构件的层次关系就是其parent被确定。将一个子构件加到一个容器中
// 时，其parent就是这个容器。层次关系被确定要求，其parent的parent...也
// 确定了。顶级窗口可以不要parent。只是我的经验理解。
void insert_text (GtkTextBuffer *buffer)
{
GtkTextIter iter;
gtk_text_buffer_get_iter_at_offset (buffer, &iter, 0);
gtk_text_buffer_insert (buffer, &iter,
"From: pathfinder@nasa.gov\n"
"To: mom@nasa.gov\n"
"Subject: Made it!\n"
"\n"
"We just got in this morning. The weather has been\n"
"great - clear but cold, and there are lots of fun sights.\n"
"Sojourner says hi. See you soon.\n"
" -Path\n", -1);
}
/* 创建一个滚动文本区域，用于显示一个"信息" */
GtkWidget *create_text( void )
{
GtkWidget *scrolled_window;
GtkWidget *view;
GtkTextBuffer *buffer;
view = gtk_text_view_new ();
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
scrolled_window = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_container_add (GTK_CONTAINER (scrolled_window), view);
insert_text (buffer);
gtk_widget_show_all (scrolled_window);
return scrolled_window;
}
int main( int argc,
char *argv[] )
{
GtkWidget *window;
GtkWidget *vpaned;
GtkWidget *list;
GtkWidget *text;
gtk_init (&argc, &argv);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (window), "Paned Windows");
g_signal_connect (G_OBJECT (window), "destroy",
G_CALLBACK (gtk_main_quit), NULL);
gtk_container_set_border_width (GTK_CONTAINER (window), 10);
gtk_widget_set_size_request (GTK_WIDGET (window), 450, 400);
/* 在顶级窗口上添加一个垂直分栏窗口构件 */
vpaned = gtk_vpaned_new ();
gtk_container_add (GTK_CONTAINER (window), vpaned);
gtk_widget_show (vpaned);
/* 在分栏窗口的两部分各添加一些构件 */
list = create_list ();
gtk_paned_add1 (GTK_PANED (vpaned), list);
gtk_widget_show (list);
text = create_text ();
gtk_paned_add2 (GTK_PANED (vpaned), text);
gtk_widget_show (text);
gtk_widget_show (window);
gtk_main ();
return 0;
}
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