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testheightforwidth.c
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testheightforwidth.c
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/* extendedlayoutexample.c
* Copyright (C) 2010 Openismus GmbH
*
* Author:
* Tristan Van Berkom <[email protected]>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <gtk/gtk.h>
typedef struct {
const char *name;
const char *tooltip;
const char *interface;
GtkWidget *window;
} TestInterface;
/* These strings were generated with:
*
* IFS=""; while read line; do echo -n \"; echo -n $line | sed -e 's|\"|\\"|g'; echo \"; done < file.glade
*/
static TestInterface interfaces[] = {
{
"Ellipsizing Labels",
"Demonstrates how labels will request a natural size in a horizontal space",
"<interface>"
" <requires lib=\"gtk\" version=\"3.99\"/>"
" <!-- interface-naming-policy project-wide -->"
" <object class=\"GtkWindow\" id=\"window\">"
" <property name=\"default_width\">450</property>"
" <property name=\"default_height\">50</property>"
" <child>"
" <object class=\"GtkBox\" id=\"hbox5\">"
" <property name=\"orientation\">horizontal</property>"
" <child>"
" <object class=\"GtkLabel\" id=\"label9\">"
" <property name=\"label\" translatable=\"yes\">Some labels do ellipsize</property>"
" <property name=\"ellipsize\">end</property>"
" <attributes>"
" <attribute name=\"weight\" value=\"bold\"/>"
" <attribute name=\"foreground\" value=\"#09610feefe03\"/>"
" </attributes>"
" </object>"
" </child>"
" <child>"
" <object class=\"GtkLabel\" id=\"label10\">"
" <property name=\"label\" translatable=\"yes\">but some</property>"
" <property name=\"ellipsize\">end</property>"
" <attributes>"
" <attribute name=\"weight\" value=\"bold\"/>"
" <attribute name=\"foreground\" value=\"#0000af6b0993\"/>"
" </attributes>"
" </object>"
" </child>"
" <child>"
" <object class=\"GtkLabel\" id=\"label11\">"
" <property name=\"label\" translatable=\"yes\">do not at all</property>"
" <attributes>"
" <attribute name=\"style\" value=\"normal\"/>"
" <attribute name=\"weight\" value=\"bold\"/>"
" <attribute name=\"foreground\" value=\"#ffff00000000\"/>"
" </attributes>"
" </object>"
" </child>"
" </object>"
" </child>"
" </object>"
"</interface>",
NULL
},
{
"Wrapping Label",
"Demonstrates how a wrapping label can require a height contextual to its allocated width",
"<interface>"
" <requires lib=\"gtk\" version=\"3.99\"/>"
" <!-- interface-naming-policy project-wide -->"
" <object class=\"GtkWindow\" id=\"window\">"
" <property name=\"default_width\">300</property>"
" <child>"
" <object class=\"GtkPaned\" id=\"hpaned1\">"
" <property name=\"orientation\">horizontal</property>"
" <property name=\"can_focus\">True</property>"
" <property name=\"resize-child1\">False</property>"
" <property name=\"shrink-child1\">False</property>"
" <child>"
" <object class=\"GtkBox\" id=\"vbox2\">"
" <property name=\"orientation\">vertical</property>"
" <child>"
" <object class=\"GtkLabel\" id=\"label3\">"
" <property name=\"label\" translatable=\"yes\">A short static label.</property>"
" <attributes>"
" <attribute name=\"weight\" value=\"bold\"/>"
" </attributes>"
" </object>"
" </child>"
" <child>"
" <object class=\"GtkFrame\" id=\"frame1\">"
" <property name=\"label\">Long label</property>"
" <child>"
" <object class=\"GtkLabel\" id=\"label1\">"
" <property name=\"label\" translatable=\"yes\">This is a really long label for the purpose of testing line wrapping is working correctly in conjunction with height-for-width support in GTK</property>"
" <property name=\"wrap\">True</property>"
" <property name=\"max_width_chars\">30</property>"
" <attributes>"
" <attribute name=\"foreground\" value=\"#18c52119f796\"/>"
" </attributes>"
" </object>"
" </child>"
" </object>"
" </child>"
" <child>"
" <object class=\"GtkButton\" id=\"button2\">"
" <property name=\"can_focus\">True</property>"
" <property name=\"receives_default\">True</property>"
" <child>"
" <object class=\"GtkLabel\" id=\"label2\">"
" <property name=\"label\" translatable=\"yes\">A really really long label inside a button to demonstrate height for width working inside buttons</property>"
" <property name=\"wrap\">True</property>"
" <property name=\"max_width_chars\">25</property>"
" <attributes>"
" <attribute name=\"foreground\" value=\"#1e3687ab0a52\"/>"
" </attributes>"
" </object>"
" </child>"
" </object>"
" </child>"
" </object>"
" </child>"
" <child>"
" <object class=\"GtkLabel\" id=\"label4\">"
" <property name=\"label\" translatable=\"yes\">This static label\n"
"can shrink.</property>"
" <property name=\"justify\">center</property>"
" <attributes>"
" <attribute name=\"style\" value=\"normal\"/>"
" <attribute name=\"foreground\" value=\"#ffff00000000\"/>"
" </attributes>"
" </object>"
" </child>"
" </object>"
" </child>"
" </object>"
"</interface>",
NULL
},
{
"Horizontal Box",
"Demonstrates how a horizontal box can calculate the collective height for an allocated width",
"<interface>"
" <requires lib=\"gtk\" version=\"3.99\"/>"
" <!-- interface-naming-policy project-wide -->"
" <object class=\"GtkWindow\" id=\"window\">"
" <property name=\"default_height\">200</property>"
" <property name=\"default_width\">600</property>"
" <child>"
" <object class=\"GtkPaned\" id=\"hpaned1\">"
" <property name=\"orientation\">horizontal</property>"
" <property name=\"can_focus\">True</property>"
" <property name=\"resize-child1\">False</property>"
" <property name=\"shrink-child1\">False</property>"
" <child>"
" <object class=\"GtkBox\" id=\"vbox1\">"
" <property name=\"orientation\">vertical</property>"
" <child>"
" <object class=\"GtkBox\" id=\"hbox1\">"
" <property name=\"orientation\">horizontal</property>"
" <child>"
" <object class=\"GtkButton\" id=\"button1\">"
" <property name=\"can_focus\">True</property>"
" <property name=\"receives_default\">True</property>"
" <child>"
" <object class=\"GtkLabel\" id=\"label2\">"
" <property name=\"label\" translatable=\"yes\">A button that wraps.</property>"
" <property name=\"wrap\">True</property>"
" <property name=\"width_chars\">10</property>"
" <attributes>"
" <attribute name=\"foreground\" value=\"#0000041dffff\"/>"
" </attributes>"
" </object>"
" </child>"
" </object>"
" </child>"
" <child>"
" <object class=\"GtkLabel\" id=\"label1\">"
" <property name=\"label\" translatable=\"yes\">Lets try setting up some long text to wrap up in this hbox and see if the height-for-width is gonna work !</property>"
" <property name=\"wrap\">True</property>"
" <property name=\"width_chars\">30</property>"
" <attributes>"
" <attribute name=\"foreground\" value=\"#07d0a9b20972\"/>"
" </attributes>"
" </object>"
" </child>"
" </object>"
" </child>"
" <child>"
" <object class=\"GtkButton\" id=\"button2\">"
" <property name=\"label\" translatable=\"yes\">A button that expands in the vbox</property>"
" <property name=\"can_focus\">True</property>"
" <property name=\"receives_default\">True</property>"
" </object>"
" </child>"
" </object>"
" </child>"
" <child>"
" <object class=\"GtkLabel\" id=\"label4\">"
" <property name=\"label\" translatable=\"yes\">This label is\n"
"set to shrink inside\n"
"the paned window.</property>"
" <property name=\"justify\">center</property>"
" <attributes>"
" <attribute name=\"style\" value=\"normal\"/>"
" <attribute name=\"foreground\" value=\"#ffff00000000\"/>"
" </attributes>"
" </object>"
" </child>"
" </object>"
" </child>"
" </object>"
"</interface>",
NULL
},
{
"Label Parameters",
"This test demonstrates how \"width-chars\" and \"max-width-chars\" can be used "
"to effect minimum and natural widths in wrapping labels.",
"<interface>"
" <requires lib=\"gtk\" version=\"3.99\"/>"
" <!-- interface-naming-policy project-wide -->"
" <object class=\"GtkWindow\" id=\"window\">"
" <property name=\"default_width\">900</property>"
" <child>"
" <object class=\"GtkPaned\" id=\"hpaned1\">"
" <property name=\"orientation\">horizontal</property>"
" <property name=\"can_focus\">True</property>"
" <property name=\"resize-child1\">False</property>"
" <property name=\"shrink-child1\">False</property>"
" <child>"
" <object class=\"GtkBox\" id=\"vbox1\">"
" <property name=\"orientation\">vertical</property>"
" <child>"
" <object class=\"GtkBox\" id=\"hbox1\">"
" <property name=\"orientation\">horizontal</property>"
" <property name=\"spacing\">6</property>"
" <child>"
" <object class=\"GtkLabel\" id=\"label1\">"
" <property name=\"label\" translatable=\"yes\">The first 2 labels require 10 characters.</property>"
" <property name=\"wrap\">True</property>"
" <property name=\"width_chars\">10</property>"
" <attributes>"
" <attribute name=\"weight\" value=\"bold\"/>"
" <attribute name=\"foreground\" value=\"#ffff00000000\"/>"
" </attributes>"
" </object>"
" </child>"
" <child>"
" <object class=\"GtkLabel\" id=\"label2\">"
" <property name=\"label\" translatable=\"yes\">This label has a maximum natural width of 20 characters. The second two labels expand.</property>"
" <property name=\"wrap\">True</property>"
" <property name=\"width_chars\">10</property>"
" <property name=\"max_width_chars\">20</property>"
" <attributes>"
" <attribute name=\"weight\" value=\"bold\"/>"
" <attribute name=\"foreground\" value=\"#05c2a161134b\"/>"
" </attributes>"
" </object>"
" </child>"
" <child>"
" <object class=\"GtkLabel\" id=\"label3\">"
" <property name=\"label\" translatable=\"yes\">This label requires a default minimum size.</property>"
" <property name=\"wrap\">True</property>"
" <attributes>"
" <attribute name=\"weight\" value=\"bold\"/>"
" <attribute name=\"foreground\" value=\"#03e30758fb5f\"/>"
" </attributes>"
" </object>"
" </child>"
" </object>"
" </child>"
" <child>"
" <object class=\"GtkLabel\" id=\"label4\">"
" <property name=\"label\" translatable=\"yes\">This test demonstrates how the \"width-chars\" and \"max-width-chars\"\n"
"properties can be used to specify the minimum requested wrap width\n"
"and the maximum natural wrap width respectively.</property>"
" <property name=\"ellipsize\">end</property>"
" <property name=\"width_chars\">30</property>"
" <attributes>"
" <attribute name=\"style\" value=\"normal\"/>"
" <attribute name=\"foreground\" value=\"#05470000abaf\"/>"
" </attributes>"
" </object>"
" </child>"
" </object>"
" </child>"
" <child>"
" <object class=\"GtkLabel\" id=\"label5\">"
" <property name=\"label\" translatable=\"yes\">Some static\n"
"text that shrinks.\n"
"\n"
"You will need to stretch\n"
"this window quite wide\n"
"to see the effects.</property>"
" <property name=\"justify\">center</property>"
" <attributes>"
" <attribute name=\"foreground\" value=\"#ffff00000000\"/>"
" </attributes>"
" </object>"
" </child>"
" </object>"
" </child>"
" </object>"
"</interface>",
NULL
},
{
"Wrapping Expander",
"This test demonstrates how the expander label can fill to its natural width "
"and also trade height for width.",
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
"<interface>"
" <requires lib=\"gtk\" version=\"3.99\"/>"
" <!-- interface-naming-policy project-wide -->"
" <object class=\"GtkWindow\" id=\"window\">"
" <property name=\"default_width\">500</property>"
" <child>"
" <object class=\"GtkPaned\" id=\"hpaned1\">"
" <property name=\"orientation\">horizontal</property>"
" <property name=\"can_focus\">True</property>"
" <property name=\"resize-child1\">False</property>"
" <property name=\"shrink-child1\">False</property>"
" <child>"
" <object class=\"GtkExpander\" id=\"expander1\">"
" <property name=\"can_focus\">True</property>"
" <child>"
" <object class=\"GtkLabel\" id=\"label2\">"
" <property name=\"label\" translatable=\"yes\">More wrapping text to fill the largish content area in the expander </property>"
" <property name=\"wrap\">True</property>"
" <property name=\"width_chars\">10</property>"
" <attributes>"
" <attribute name=\"weight\" value=\"bold\"/>"
" <attribute name=\"foreground\" value=\"#0000D0F00000\"/>"
" </attributes>"
" </object>"
" </child>"
" <child type=\"label\">"
" <object class=\"GtkLabel\" id=\"label1\">"
" <property name=\"label\" translatable=\"yes\">Here is some expander text that wraps</property>"
" <property name=\"wrap\">True</property>"
" <property name=\"width_chars\">10</property>"
" <attributes>"
" <attribute name=\"weight\" value=\"bold\"/>"
" <attribute name=\"foreground\" value=\"blue\"/>"
" </attributes>"
" </object>"
" </child>"
" </object>"
" </child>"
" <child>"
" <object class=\"GtkLabel\" id=\"label3\">"
" <property name=\"label\" translatable=\"yes\">static\n"
"text\n"
"here</property>"
" <attributes>"
" <attribute name=\"foreground\" value=\"red\"/>"
" </attributes>"
" </object>"
" </child>"
" </object>"
" </child>"
" </object>"
"</interface>",
NULL
},
{
"Wrapping Frame Label",
"This test demonstrates how the frame label can fill to its natural width "
"and also trade height for width.",
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
"<interface>"
" <requires lib=\"gtk\" version=\"3.99\"/>"
" <!-- interface-naming-policy project-wide -->"
" <object class=\"GtkWindow\" id=\"window\">"
" <property name=\"default_width\">400</property>"
" <property name=\"default_height\">150</property>"
" <child>"
" <object class=\"GtkFrame\" id=\"frame1\">"
" <property name=\"label_xalign\">0</property>"
" <child>"
" <object class=\"GtkLabel\" id=\"label2\">"
" <property name=\"margin_start\">12</property>"
" <property name=\"label\" translatable=\"yes\">some content</property>"
" </object>"
" </child>"
" <child type=\"label\">"
" <object class=\"GtkLabel\" id=\"label1\">"
" <property name=\"label\" translatable=\"yes\">A frame label that's a little long and wraps</property>"
" <property name=\"use_markup\">True</property>"
" <property name=\"wrap\">True</property>"
" </object>"
" </child>"
" </object>"
" </child>"
" </object>"
"</interface>",
NULL
},
{
"Combo Boxes and Menus",
"This test shows wrapping and ellipsizing text in combo boxes (and consequently in menu items).",
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
"<interface>"
" <requires lib=\"gtk\" version=\"3.99\"/>"
" <!-- interface-naming-policy project-wide -->"
" <object class=\"GtkWindow\" id=\"window\">"
" <property name=\"default_width\">600</property>"
" <child>"
" <object class=\"GtkPaned\" id=\"hpaned1\">"
" <property name=\"orientation\">horizontal</property>"
" <property name=\"can_focus\">True</property>"
" <property name=\"shrink-child1\">False</property>"
" <property name=\"resize-child2\">False</property>"
" <child>"
" <object class=\"GtkBox\" id=\"vbox1\">"
" <property name=\"orientation\">vertical</property>"
" <property name=\"spacing\">5</property>"
" <child>"
" <object class=\"GtkBox\" id=\"hbox1\">"
" <property name=\"orientation\">horizontal</property>"
" <property name=\"spacing\">5</property>"
" <child>"
" <object class=\"GtkLabel\" id=\"label1\">"
" <property name=\"label\" translatable=\"yes\">this combo box</property>"
" <attributes>"
" <attribute name=\"weight\" value=\"bold\"/>"
" <attribute name=\"foreground\" value=\"#b3460000eb1c\"/>"
" </attributes>"
" </object>"
" </child>"
" <child>"
" <object class=\"GtkLabel\" id=\"label2\">"
" <property name=\"label\" translatable=\"yes\">contains some wrapping locations</property>"
" <property name=\"ellipsize\">end</property>"
" <property name=\"width_chars\">10</property>"
" <attributes>"
" <attribute name=\"weight\" value=\"bold\"/>"
" <attribute name=\"foreground\" value=\"#b3460000eb1c\"/>"
" </attributes>"
" </object>"
" </child>"
" <child>"
" <object class=\"GtkComboBox\" id=\"combobox1\">"
" <property name=\"model\">liststore1</property>"
" <property name=\"active\">0</property>"
" <child>"
" <object class=\"GtkCellRendererPixbuf\" id=\"cellrenderertext1\"/>"
" <attributes>"
" <attribute name=\"icon-name\">1</attribute>"
" </attributes>"
" </child>"
" <child>"
" <object class=\"GtkCellRendererText\" id=\"cellrenderertext2\">"
" <property name=\"foreground\">purple</property>"
" <property name=\"weight\">600</property>"
" <property name=\"wrap_mode\">word</property>"
" <property name=\"wrap_width\">100</property>"
" </object>"
" <attributes>"
" <attribute name=\"text\">0</attribute>"
" </attributes>"
" </child>"
" </object>"
" </child>"
" </object>"
" </child>"
" <child>"
" <object class=\"GtkFrame\" id=\"frame1\">"
" <property name=\"label_xalign\">0</property>"
" <child>"
" <object class=\"GtkLabel\" id=\"label3\">"
" <property name=\"label\" translatable=\"yes\">This test shows combo boxes\n"
"requesting and allocating space\n"
"for its backing content using\n"
"height-for-width geometry\n"
"management.\n"
"\n"
"Note this test also demonstrates\n"
"height-for-width menu items.</property>"
" <property name=\"justify\">center</property>"
" <attributes>"
" <attribute name=\"weight\" value=\"bold\"/>"
" <attribute name=\"foreground\" value=\"#00000000ffff\"/>"
" </attributes>"
" </object>"
" </child>"
" </object>"
" </child>"
" <child>"
" <object class=\"GtkBox\" id=\"hbox2\">"
" <property name=\"orientation\">horizontal</property>"
" <property name=\"spacing\">5</property>"
" <child>"
" <object class=\"GtkLabel\" id=\"label4\">"
" <property name=\"label\" translatable=\"yes\">this combo box</property>"
" <attributes>"
" <attribute name=\"weight\" value=\"bold\"/>"
" <attribute name=\"foreground\" value=\"#ffffa5a50000\"/>"
" </attributes>"
" </object>"
" </child>"
" <child>"
" <object class=\"GtkLabel\" id=\"label5\">"
" <property name=\"label\" translatable=\"yes\">contains some ellipsizing locations</property>"
" <property name=\"ellipsize\">end</property>"
" <property name=\"width_chars\">10</property>"
" <attributes>"
" <attribute name=\"weight\" value=\"bold\"/>"
" <attribute name=\"foreground\" value=\"#ffffa5a50000\"/>"
" </attributes>"
" </object>"
" </child>"
" <child>"
" <object class=\"GtkComboBox\" id=\"combobox2\">"
" <property name=\"model\">liststore1</property>"
" <property name=\"active\">0</property>"
" <child>"
" <object class=\"GtkCellRendererPixbuf\" id=\"cellrenderertext3\"/>"
" <attributes>"
" <attribute name=\"icon-name\">1</attribute>"
" </attributes>"
" </child>"
" <child>"
" <object class=\"GtkCellRendererText\" id=\"cellrenderertext4\">"
" <property name=\"ellipsize\">end</property>"
" <property name=\"foreground\">orange</property>"
" <property name=\"weight\">600</property>"
" <property name=\"width_chars\">10</property>"
" </object>"
" <attributes>"
" <attribute name=\"text\">0</attribute>"
" </attributes>"
" </child>"
" </object>"
" </child>"
" </object>"
" </child>"
" </object>"
" </child>"
" <child>"
" <object class=\"GtkLabel\" id=\"label6\">"
" <property name=\"label\" translatable=\"yes\">Some static\n"
"text here\n"
"that shrinks.</property>"
" <property name=\"justify\">center</property>"
" <attributes>"
" <attribute name=\"foreground\" value=\"#ffff00000000\"/>"
" </attributes>"
" </object>"
" </child>"
" </object>"
" </child>"
" </object>"
" <object class=\"GtkListStore\" id=\"liststore1\">"
" <columns>"
" <!-- column-name item-text -->"
" <column type=\"gchararray\"/>"
" <!-- column-name icon-name -->"
" <column type=\"gchararray\"/>"
" </columns>"
" <data>"
" <row>"
" <col id=\"0\" translatable=\"yes\">Montreal, Quebec Canada</col>"
" <col id=\"1\" translatable=\"yes\">edit-undo</col>"
" </row>"
" <row>"
" <col id=\"0\" translatable=\"yes\">Sao Paulo, SP Brazil</col>"
" <col id=\"1\" translatable=\"yes\">edit-redo</col>"
" </row>"
" <row>"
" <col id=\"0\" translatable=\"yes\">Buenos Aires, Argentina</col>"
" <col id=\"1\" translatable=\"yes\">process-stop</col>"
" </row>"
" <row>"
" <col id=\"0\" translatable=\"yes\">Los Angelos, California USA</col>"
" <col id=\"1\" translatable=\"yes\">media-record</col>"
" </row>"
" <row>"
" <col id=\"0\" translatable=\"yes\">Rio de Janeiro, RJ Brazil</col>"
" <col id=\"1\" translatable=\"yes\">dialog-error</col>"
" </row>"
" <row>"
" <col id=\"0\" translatable=\"yes\">Seoul, South Korea</col>"
" <col id=\"1\" translatable=\"yes\">dialog-information</col>"
" </row>"
" </data>"
" </object>"
"</interface>",
NULL
},
};
static void
test_clicked (GtkWidget *button,
TestInterface *interface)
{
if (!interface->window)
{
GtkBuilder *builder = gtk_builder_new ();
GError *error = NULL;
gtk_builder_add_from_string (builder, interface->interface, -1, &error);
if (error)
{
g_printerr ("GtkBuilder for interface \"%s\" returned error \"%s\"\n",
interface->name, error->message);
g_error_free (error);
g_object_unref (builder);
return;
}
interface->window = (GtkWidget *)gtk_builder_get_object (builder, "window");
gtk_window_set_hide_on_close (GTK_WINDOW (interface->window), TRUE);
g_object_unref (builder);
}
gtk_window_present (GTK_WINDOW (interface->window));
}
static GtkWidget *
create_window (void)
{
GtkWidget *window, *vbox, *button;
int i;
window = gtk_window_new ();
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_widget_set_margin_start (vbox, 8);
gtk_widget_set_margin_end (vbox, 8);
gtk_widget_set_margin_top (vbox, 8);
gtk_widget_set_margin_bottom (vbox, 8);
gtk_window_set_child (GTK_WINDOW (window), vbox);
for (i = 0; i < G_N_ELEMENTS (interfaces); i++)
{
button = gtk_button_new_with_label (interfaces[i].name);
gtk_widget_set_tooltip_text (button, interfaces[i].tooltip);
g_signal_connect (button, "clicked",
G_CALLBACK (test_clicked), &interfaces[i]);
gtk_box_append (GTK_BOX (vbox), button);
}
return window;
}
static void
quit_cb (GtkWidget *widget,
gpointer data)
{
gboolean *done = data;
*done = TRUE;
g_main_context_wakeup (NULL);
}
int
main (int argc, char *argv[])
{
GtkWidget *window;
gboolean done = FALSE;
gtk_init ();
window = create_window ();
g_signal_connect (window, "destroy", G_CALLBACK (quit_cb), &done);
gtk_window_present (GTK_WINDOW (window));
while (!done)
g_main_context_iteration (NULL, TRUE);
return 0;
}