forked from AuroraMiddleware/gtk
gtk-demo: A better overlay demo
This shows the new passthrough feature.
This commit is contained in:
Matthias Clasen
parent
d4b0694c02
commit
afd75070a2
@ -1,10 +1,16 @@
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/* Overlay
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*
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* Stack widgets in static positions over a main widget
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* Stack widgets in static positions over a main widget.
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*/
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#include <gtk/gtk.h>
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static void
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do_number (GtkButton *button, GtkEntry *entry)
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{
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gtk_entry_set_text (entry, gtk_button_get_label (button));
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}
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GtkWidget *
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do_overlay (GtkWidget *do_widget)
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{
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@ -12,158 +18,57 @@ do_overlay (GtkWidget *do_widget)
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if (!window)
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{
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GtkWidget *view;
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GtkWidget *sw;
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GtkWidget *overlay;
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GtkWidget *entry;
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GtkWidget *grid;
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GtkWidget *button;
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GtkWidget *vbox;
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GtkWidget *label;
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GtkWidget *entry;
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int i, j;
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char *text;
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_window_set_screen (GTK_WINDOW (window),
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gtk_widget_get_screen (do_widget));
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gtk_window_set_default_size (GTK_WINDOW (window),
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450, 450);
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gtk_window_set_default_size (GTK_WINDOW (window), 500, 510);
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gtk_window_set_title (GTK_WINDOW (window), "Overlay");
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overlay = gtk_overlay_new ();
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grid = gtk_grid_new ();
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gtk_container_add (GTK_CONTAINER (overlay), grid);
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entry = gtk_entry_new ();
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for (j = 0; j < 5; j++)
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{
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for (i = 0; i < 5; i++)
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{
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text = g_strdup_printf ("%d", 5*j + i);
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button = gtk_button_new_with_label (text);
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g_free (text);
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gtk_widget_set_hexpand (button, TRUE);
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gtk_widget_set_vexpand (button, TRUE);
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g_signal_connect (button, "clicked", G_CALLBACK (do_number), entry);
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gtk_grid_attach (GTK_GRID (grid), button, i, j, 1, 1);
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}
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}
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vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 10);
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gtk_overlay_add_overlay (GTK_OVERLAY (overlay), vbox);
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gtk_overlay_set_overlay_pass_through (GTK_OVERLAY (overlay), vbox, TRUE);
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gtk_widget_set_halign (vbox, GTK_ALIGN_CENTER);
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gtk_widget_set_valign (vbox, GTK_ALIGN_CENTER);
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label = gtk_label_new ("<span foreground='blue' weight='ultrabold' font='40'>Numbers</span>");
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gtk_label_set_use_markup (GTK_LABEL (label), TRUE);
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gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 8);
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gtk_entry_set_placeholder_text (GTK_ENTRY (entry), "Your Lucky Number");
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gtk_box_pack_start (GTK_BOX (vbox), entry, FALSE, FALSE, 8);
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gtk_container_add (GTK_CONTAINER (window), overlay);
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g_signal_connect (window, "destroy",
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G_CALLBACK (gtk_widget_destroyed), &window);
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gtk_window_set_title (GTK_WINDOW (window), "Overlay");
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gtk_container_set_border_width (GTK_CONTAINER (window), 0);
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view = gtk_text_view_new ();
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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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gtk_container_add (GTK_CONTAINER (sw), view);
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overlay = gtk_overlay_new ();
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gtk_container_add (GTK_CONTAINER (overlay), sw);
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gtk_container_add (GTK_CONTAINER (window), overlay);
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entry = gtk_entry_new ();
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gtk_overlay_add_overlay (GTK_OVERLAY (overlay), entry);
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gtk_widget_set_halign (entry, GTK_ALIGN_END);
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gtk_widget_set_valign (entry, GTK_ALIGN_END);
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label = gtk_label_new ("Hello world");
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gtk_widget_set_halign (label, GTK_ALIGN_END);
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gtk_widget_set_valign (label, GTK_ALIGN_END);
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gtk_overlay_add_overlay (GTK_OVERLAY (overlay), label);
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gtk_widget_set_margin_start (label, 20);
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gtk_widget_set_margin_end (label, 20);
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gtk_widget_set_margin_top (label, 5);
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gtk_widget_set_margin_bottom (label, 5);
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entry = gtk_entry_new ();
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gtk_widget_set_halign (entry, GTK_ALIGN_START);
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gtk_widget_set_valign (entry, GTK_ALIGN_END);
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gtk_overlay_add_overlay (GTK_OVERLAY (overlay), entry);
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label = gtk_label_new ("Hello world");
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gtk_widget_set_halign (label, GTK_ALIGN_START);
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gtk_widget_set_valign (label, GTK_ALIGN_END);
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gtk_overlay_add_overlay (GTK_OVERLAY (overlay), label);
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gtk_widget_set_margin_start (label, 20);
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gtk_widget_set_margin_end (label, 20);
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gtk_widget_set_margin_top (label, 5);
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gtk_widget_set_margin_bottom (label, 5);
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entry = gtk_entry_new ();
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gtk_widget_set_halign (entry, GTK_ALIGN_END);
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gtk_widget_set_valign (entry, GTK_ALIGN_START);
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gtk_overlay_add_overlay (GTK_OVERLAY (overlay), entry);
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label = gtk_label_new ("Hello world");
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gtk_widget_set_halign (label, GTK_ALIGN_END);
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gtk_widget_set_valign (label, GTK_ALIGN_START);
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gtk_overlay_add_overlay (GTK_OVERLAY (overlay), label);
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gtk_widget_set_margin_start (label, 20);
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gtk_widget_set_margin_end (label, 20);
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gtk_widget_set_margin_top (label, 5);
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gtk_widget_set_margin_bottom (label, 5);
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entry = gtk_entry_new ();
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gtk_widget_set_halign (entry, GTK_ALIGN_START);
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gtk_widget_set_valign (entry, GTK_ALIGN_START);
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gtk_overlay_add_overlay (GTK_OVERLAY (overlay), entry);
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label = gtk_label_new ("Hello world");
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gtk_widget_set_halign (label, GTK_ALIGN_START);
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gtk_widget_set_valign (label, GTK_ALIGN_START);
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gtk_overlay_add_overlay (GTK_OVERLAY (overlay), label);
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gtk_widget_set_margin_start (label, 20);
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gtk_widget_set_margin_end (label, 20);
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gtk_widget_set_margin_top (label, 5);
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gtk_widget_set_margin_bottom (label, 5);
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entry = gtk_entry_new ();
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gtk_widget_set_halign (entry, GTK_ALIGN_END);
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gtk_widget_set_valign (entry, GTK_ALIGN_CENTER);
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gtk_overlay_add_overlay (GTK_OVERLAY (overlay), entry);
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label = gtk_label_new ("Hello world");
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gtk_widget_set_halign (label, GTK_ALIGN_END);
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gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
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gtk_overlay_add_overlay (GTK_OVERLAY (overlay), label);
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gtk_widget_set_margin_start (label, 20);
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gtk_widget_set_margin_end (label, 20);
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gtk_widget_set_margin_top (label, 5);
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gtk_widget_set_margin_bottom (label, 5);
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entry = gtk_entry_new ();
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gtk_widget_set_halign (entry, GTK_ALIGN_START);
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gtk_widget_set_valign (entry, GTK_ALIGN_CENTER);
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gtk_overlay_add_overlay (GTK_OVERLAY (overlay), entry);
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label = gtk_label_new ("Hello world");
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gtk_widget_set_halign (label, GTK_ALIGN_START);
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gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
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gtk_overlay_add_overlay (GTK_OVERLAY (overlay), label);
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gtk_widget_set_margin_start (label, 20);
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gtk_widget_set_margin_end (label, 20);
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gtk_widget_set_margin_top (label, 5);
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gtk_widget_set_margin_bottom (label, 5);
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entry = gtk_entry_new ();
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gtk_widget_set_halign (entry, GTK_ALIGN_CENTER);
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gtk_widget_set_valign (entry, GTK_ALIGN_START);
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gtk_overlay_add_overlay (GTK_OVERLAY (overlay), entry);
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label = gtk_label_new ("Hello world");
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gtk_widget_set_halign (label, GTK_ALIGN_CENTER);
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gtk_widget_set_valign (label, GTK_ALIGN_START);
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gtk_overlay_add_overlay (GTK_OVERLAY (overlay), label);
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gtk_widget_set_margin_start (label, 20);
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gtk_widget_set_margin_end (label, 20);
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gtk_widget_set_margin_top (label, 5);
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gtk_widget_set_margin_bottom (label, 5);
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entry = gtk_entry_new ();
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gtk_widget_set_halign (entry, GTK_ALIGN_CENTER);
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gtk_widget_set_valign (entry, GTK_ALIGN_END);
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gtk_overlay_add_overlay (GTK_OVERLAY (overlay), entry);
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label = gtk_label_new ("Hello world");
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gtk_widget_set_halign (label, GTK_ALIGN_CENTER);
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gtk_widget_set_valign (label, GTK_ALIGN_END);
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gtk_overlay_add_overlay (GTK_OVERLAY (overlay), label);
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gtk_widget_set_margin_start (label, 10);
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gtk_widget_set_margin_end (label, 10);
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gtk_widget_set_margin_top (label, 5);
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gtk_widget_set_margin_bottom (label, 5);
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entry = gtk_entry_new ();
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gtk_widget_set_halign (entry, GTK_ALIGN_CENTER);
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gtk_widget_set_valign (entry, GTK_ALIGN_CENTER);
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gtk_overlay_add_overlay (GTK_OVERLAY (overlay), entry);
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label = gtk_label_new ("Hello world");
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gtk_widget_set_halign (label, GTK_ALIGN_CENTER);
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gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
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gtk_overlay_add_overlay (GTK_OVERLAY (overlay), label);
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gtk_widget_show_all (overlay);
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}
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