/*
* testoffscreen.c
*/
#include <math.h>
#include <string.h>
#include <gtk/gtk.h>
#include "gtkoffscreenbox.h"
static void
combo_changed_cb (GtkWidget *combo,
gpointer data)
{
GtkWidget *label = GTK_WIDGET (data);
gint active;
active = gtk_combo_box_get_active (GTK_COMBO_BOX (combo));
gtk_label_set_ellipsize (GTK_LABEL (label), (PangoEllipsizeMode)active);
}
static gboolean
layout_draw_handler (GtkWidget *widget,
cairo_t *cr)
{
GtkLayout *layout = GTK_LAYOUT (widget);
GdkWindow *bin_window = gtk_layout_get_bin_window (layout);
GdkRectangle clip;
gint i, j, x, y;
gint imin, imax, jmin, jmax;
if (!gtk_cairo_should_draw_window (cr, bin_window))
return FALSE;
gdk_window_get_position (bin_window, &x, &y);
cairo_translate (cr, x, y);
gdk_cairo_get_clip_rectangle (cr, &clip);
imin = (clip.x) / 10;
imax = (clip.x + clip.width + 9) / 10;
jmin = (clip.y) / 10;
jmax = (clip.y + clip.height + 9) / 10;
for (i = imin; i < imax; i++)
for (j = jmin; j < jmax; j++)
if ((i + j) % 2)
cairo_rectangle (cr,
10 * i, 10 * j,
1 + i % 10, 1 + j % 10);
cairo_fill (cr);
return FALSE;
}
static gboolean
scroll_layout (gpointer data)
{
GtkWidget *layout = data;
GtkAdjustment *adj;
adj = gtk_scrollable_get_hadjustment (GTK_SCROLLABLE (layout));
gtk_adjustment_set_value (adj, gtk_adjustment_get_value (adj) + 5.0);
return G_SOURCE_CONTINUE;
}
static guint layout_timeout;
static void
create_layout (GtkWidget *vbox)
{
GtkAdjustment *hadjustment, *vadjustment;
GtkLayout *layout;
GtkWidget *layout_widget;
GtkWidget *scrolledwindow;
GtkWidget *button;
gchar buf[16];
gint i, j;
scrolledwindow = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolledwindow),
GTK_SHADOW_IN);
gtk_scrolled_window_set_placement (GTK_SCROLLED_WINDOW (scrolledwindow),
GTK_CORNER_TOP_RIGHT);
gtk_box_pack_start (GTK_BOX (vbox), scrolledwindow, TRUE, TRUE, 0);
layout_widget = gtk_layout_new (NULL, NULL);
layout = GTK_LAYOUT (layout_widget);
gtk_container_add (GTK_CONTAINER (scrolledwindow), layout_widget);
/* We set step sizes here since GtkLayout does not set
* them itself.
*/
hadjustment = gtk_scrollable_get_hadjustment (GTK_SCROLLABLE (layout));
vadjustment = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (layout));
gtk_adjustment_set_step_increment (hadjustment, 10.0);
gtk_adjustment_set_step_increment (vadjustment, 10.0);
gtk_scrollable_set_hadjustment (GTK_SCROLLABLE (layout), hadjustment);
gtk_scrollable_set_vadjustment (GTK_SCROLLABLE (layout), vadjustment);
gtk_widget_set_events (layout_widget, GDK_EXPOSURE_MASK);
g_signal_connect (layout, "draw",
G_CALLBACK (layout_draw_handler),
NULL);
gtk_layout_set_size (layout, 1600, 128000);
for (i = 0 ; i < 16 ; i++)
for (j = 0 ; j < 16 ; j++)
{
g_snprintf (buf, sizeof (buf), "Button %d, %d", i, j);
if ((i + j) % 2)
button = gtk_button_new_with_label (buf);
else
button = gtk_label_new (buf);
gtk_layout_put (layout, button, j * 100, i * 100);
}
for (i = 16; i < 1280; i++)
{
g_snprintf (buf, sizeof (buf), "Button %d, %d", i, 0);
if (i % 2)
button = gtk_button_new_with_label (buf);
else
button = gtk_label_new (buf);
gtk_layout_put (layout, button, 0, i * 100);
}
layout_timeout = g_timeout_add (1000, scroll_layout, layout);
}
static void
create_treeview (GtkWidget *vbox)
{
GtkWidget *scrolledwindow;
GtkListStore *store;
GtkWidget *tree_view;
GtkIconTheme *icon_theme;
GList *icon_names;
GList *list;
scrolledwindow = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolledwindow),
GTK_SHADOW_IN);
gtk_box_pack_start (GTK_BOX (vbox), scrolledwindow, TRUE, TRUE, 0);
store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING);
tree_view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (store));
g_object_unref (store);
gtk_container_add (GTK_CONTAINER (scrolledwindow), tree_view);
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view), -1,
"Icon",
gtk_cell_renderer_pixbuf_new (),
"icon-name", 0,
NULL);
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view), -1,
"Label",
gtk_cell_renderer_text_new (),
"text", 1,
NULL);
icon_theme = gtk_icon_theme_get_for_screen (gtk_widget_get_screen (vbox));
icon_names = gtk_icon_theme_list_icons (icon_theme, NULL);
icon_names = g_list_sort (icon_names, (GCompareFunc) strcmp);
for (list = icon_names; list; list = g_list_next (list))
{
const gchar *name = list->data;
gtk_list_store_insert_with_values (store, NULL, -1,
0, name,
1, name,
-1);
}
g_list_free_full (icon_names, g_free);
}
static GtkWidget *
create_widgets (void)
{
GtkWidget *main_hbox, *main_vbox;
GtkWidget *vbox, *hbox, *label, *combo, *entry, *button, *cb;
GtkWidget *sw, *text_view;
main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
main_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_box_pack_start (GTK_BOX (main_vbox), main_hbox, TRUE, TRUE, 0);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_box_pack_start (GTK_BOX (main_hbox), vbox, TRUE, TRUE, 0);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
label = gtk_label_new ("This label may be ellipsized\nto make it fit.");
gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 0);
combo = gtk_combo_box_text_new ();
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "NONE");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "START");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "MIDDLE");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "END");
gtk_combo_box_set_active (GTK_COMBO_BOX (combo), 0);
gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0);
g_signal_connect (combo, "changed",
G_CALLBACK (combo_changed_cb),
label);
entry = gtk_entry_new ();
gtk_entry_set_text (GTK_ENTRY (entry), "an entry - lots of text.... lots of text.... lots of text.... lots of text.... ");
gtk_box_pack_start (GTK_BOX (vbox), entry, FALSE, FALSE, 0);
label = gtk_label_new ("Label after entry.");
gtk_label_set_selectable (GTK_LABEL (label), TRUE);
gtk_box_pack_start (GTK_BOX (vbox), label, TRUE, TRUE, 0);
button = gtk_button_new_with_label ("Button");
gtk_box_pack_start (GTK_BOX (vbox), button, TRUE, TRUE, 0);
button = gtk_check_button_new_with_mnemonic ("_Check button");
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
cb = gtk_combo_box_text_new ();
entry = gtk_entry_new ();
gtk_widget_show (entry);
gtk_container_add (GTK_CONTAINER (cb), entry);
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (cb), "item0");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (cb), "item1");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (cb), "item1");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (cb), "item2");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (cb), "item2");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (cb), "item2");
gtk_entry_set_text (GTK_ENTRY (entry), "hello world ♥ foo");
gtk_editable_select_region (GTK_EDITABLE (entry), 0, -1);
gtk_box_pack_start (GTK_BOX (vbox), cb, TRUE, TRUE, 0);
sw = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
text_view = gtk_text_view_new ();
gtk_box_pack_start (GTK_BOX (vbox), sw, TRUE, TRUE, 0);
gtk_container_add (GTK_CONTAINER (sw), text_view);
create_layout (vbox);
create_treeview (main_hbox);
return main_vbox;
}
static void
scale_changed (GtkRange *range,
GtkOffscreenBox *offscreen_box)
{
gtk_offscreen_box_set_angle (offscreen_box, gtk_range_get_value (range));
}
static GtkWidget *scale = NULL;
static void
remove_clicked (GtkButton *button,
GtkWidget *widget)
{
gtk_widget_destroy (widget);
g_source_remove (layout_timeout);
gtk_widget_set_sensitive (GTK_WIDGET (button), FALSE);
gtk_widget_set_sensitive (scale, FALSE);
}
int
main (int argc,
char *argv[])
{
GtkWidget *window, *widget, *vbox, *button;
GtkWidget *offscreen = NULL;
gboolean use_offscreen;
gtk_init (&argc, &argv);
use_offscreen = argc == 1;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size (GTK_WINDOW (window), 300,300);
g_signal_connect (window, "destroy",
G_CALLBACK (gtk_main_quit),
NULL);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_container_add (GTK_CONTAINER (window), vbox);
scale = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL,
0, G_PI * 2, 0.01);
gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, FALSE, 0);
button = gtk_button_new_with_label ("Remove child 2");
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
if (use_offscreen)
{
offscreen = gtk_offscreen_box_new ();
g_signal_connect (scale, "value_changed",
G_CALLBACK (scale_changed),
offscreen);
}
else
{
offscreen = gtk_paned_new (GTK_ORIENTATION_VERTICAL);
}
gtk_box_pack_start (GTK_BOX (vbox), offscreen, TRUE, TRUE, 0);
widget = create_widgets ();
if (use_offscreen)
gtk_offscreen_box_add1 (GTK_OFFSCREEN_BOX (offscreen),
widget);
else
gtk_paned_add1 (GTK_PANED (offscreen), widget);
widget = create_widgets ();
if (1)
{
GtkWidget *widget2, *box2, *offscreen2;
offscreen2 = gtk_offscreen_box_new ();
gtk_box_pack_start (GTK_BOX (widget), offscreen2, FALSE, FALSE, 0);
g_signal_connect (scale, "value_changed",
G_CALLBACK (scale_changed),
offscreen2);
box2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_offscreen_box_add2 (GTK_OFFSCREEN_BOX (offscreen2), box2);
widget2 = gtk_button_new_with_label ("Offscreen in offscreen");
gtk_box_pack_start (GTK_BOX (box2), widget2, FALSE, FALSE, 0);
widget2 = gtk_entry_new ();
gtk_entry_set_text (GTK_ENTRY (widget2), "Offscreen in offscreen");
gtk_box_pack_start (GTK_BOX (box2), widget2, FALSE, FALSE, 0);
}
if (use_offscreen)
gtk_offscreen_box_add2 (GTK_OFFSCREEN_BOX (offscreen), widget);
else
gtk_paned_add2 (GTK_PANED (offscreen), widget);
gtk_widget_show_all (window);
g_signal_connect (G_OBJECT (button), "clicked",
G_CALLBACK (remove_clicked),
widget);
gtk_main ();
return 0;
}