mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-11-18 09:00:34 +00:00
380 lines
11 KiB
C
380 lines
11 KiB
C
/*
|
|
* testoffscreen.c
|
|
*/
|
|
|
|
#include <math.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 TRUE;
|
|
}
|
|
|
|
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;
|
|
GSList *stock_ids;
|
|
GSList *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 (),
|
|
"stock-id", 0,
|
|
NULL);
|
|
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view), -1,
|
|
"Label",
|
|
gtk_cell_renderer_text_new (),
|
|
"text", 1,
|
|
NULL);
|
|
|
|
stock_ids = gtk_stock_list_ids ();
|
|
|
|
for (list = stock_ids; list; list = g_slist_next (list))
|
|
{
|
|
const gchar *stock_id = list->data;
|
|
GtkStockItem item;
|
|
|
|
if (gtk_stock_lookup (stock_id, &item))
|
|
{
|
|
gtk_list_store_insert_with_values (store, NULL, -1,
|
|
0, item.stock_id,
|
|
1, item.label,
|
|
-1);
|
|
}
|
|
}
|
|
|
|
g_slist_foreach (stock_ids, (GFunc) g_free, NULL);
|
|
g_slist_free (stock_ids);
|
|
}
|
|
|
|
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;
|
|
}
|