forked from AuroraMiddleware/gtk
102 lines
3.8 KiB
C
102 lines
3.8 KiB
C
/* Expander
|
|
*
|
|
* GtkExpander allows to provide additional content that is initially hidden.
|
|
* This is also known as "disclosure triangle".
|
|
*
|
|
* This example also shows how to make the window resizable only if the expander
|
|
* is expanded.
|
|
*/
|
|
|
|
#include <glib/gi18n.h>
|
|
#include <gtk/gtk.h>
|
|
|
|
static GtkWidget *window = NULL;
|
|
|
|
static void
|
|
response_cb (GtkDialog *dialog, gint response_id)
|
|
{
|
|
gtk_widget_destroy (window);
|
|
window = NULL;
|
|
}
|
|
|
|
static void
|
|
expander_cb (GtkExpander *expander, GParamSpec *pspec, GtkWindow *dialog)
|
|
{
|
|
gtk_window_set_resizable (dialog, gtk_expander_get_expanded (expander));
|
|
}
|
|
|
|
static void
|
|
do_not_expand (GtkWidget *child, gpointer data)
|
|
{
|
|
gtk_container_child_set (GTK_CONTAINER (gtk_widget_get_parent (child)), child,
|
|
"expand", FALSE, "fill", FALSE, NULL);
|
|
}
|
|
|
|
GtkWidget *
|
|
do_expander (GtkWidget *do_widget)
|
|
{
|
|
GtkWidget *toplevel;
|
|
GtkWidget *area;
|
|
GtkWidget *box;
|
|
GtkWidget *expander;
|
|
GtkWidget *sw;
|
|
GtkWidget *tv;
|
|
GtkTextBuffer *buffer;
|
|
|
|
if (!window)
|
|
{
|
|
toplevel = gtk_widget_get_toplevel (do_widget);
|
|
window = gtk_message_dialog_new_with_markup (GTK_WINDOW (toplevel),
|
|
0,
|
|
GTK_MESSAGE_ERROR,
|
|
GTK_BUTTONS_CLOSE,
|
|
"<big><b>%s</b></big>",
|
|
"Something went wrong");
|
|
gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (window),
|
|
"Here are some more details "
|
|
"but not the full story.");
|
|
|
|
area = gtk_message_dialog_get_message_area (GTK_MESSAGE_DIALOG (window));
|
|
box = gtk_widget_get_parent (area);
|
|
gtk_container_child_set (GTK_CONTAINER (gtk_widget_get_parent (box)), box,
|
|
"expand", TRUE, "fill", TRUE, NULL);
|
|
gtk_container_foreach (GTK_CONTAINER (area), do_not_expand, NULL);
|
|
|
|
expander = gtk_expander_new ("Details:");
|
|
sw = gtk_scrolled_window_new (NULL, NULL);
|
|
gtk_scrolled_window_set_min_content_height (GTK_SCROLLED_WINDOW (sw), 100);
|
|
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw), GTK_SHADOW_IN);
|
|
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
|
|
GTK_POLICY_NEVER,
|
|
GTK_POLICY_AUTOMATIC);
|
|
|
|
tv = gtk_text_view_new ();
|
|
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (tv));
|
|
gtk_text_view_set_editable (GTK_TEXT_VIEW (tv), FALSE);
|
|
gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (tv), GTK_WRAP_WORD);
|
|
gtk_text_buffer_set_text (GTK_TEXT_BUFFER (buffer),
|
|
"Finally, the full story with all details. "
|
|
"And all the inside information, including "
|
|
"error codes, etc etc. Pages of information, "
|
|
"you might have to scroll down to read it all, "
|
|
"or even resize the window - it works !\n"
|
|
"A second paragraph will contain even more "
|
|
"innuendo, just to make you scroll down or "
|
|
"resize the window. Do it already !", -1);
|
|
gtk_container_add (GTK_CONTAINER (sw), tv);
|
|
gtk_container_add (GTK_CONTAINER (expander), sw);
|
|
gtk_box_pack_end (GTK_BOX (area), expander, TRUE, TRUE);
|
|
g_signal_connect (expander, "notify::expanded",
|
|
G_CALLBACK (expander_cb), window);
|
|
|
|
g_signal_connect (window, "response", G_CALLBACK (response_cb), NULL);
|
|
}
|
|
|
|
if (!gtk_widget_get_visible (window))
|
|
gtk_widget_show (window);
|
|
else
|
|
gtk_widget_destroy (window);
|
|
|
|
return window;
|
|
}
|