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