static void
gtk_tooltip_init (GtkTooltip *tooltip)
{
tooltip->timeout_id = 0;
tooltip->browse_mode_timeout_id = 0;
tooltip->browse_mode_enabled = FALSE;
tooltip->keyboard_mode_enabled = FALSE;
tooltip->current_window = NULL;
tooltip->keyboard_widget = NULL;
tooltip->tooltip_widget = NULL;
tooltip->toplevel_window = NULL;
tooltip->last_window = NULL;
tooltip->window = g_object_ref (gtk_window_new (GTK_WINDOW_POPUP));
on_screen_changed (tooltip->window, NULL, tooltip);
gtk_window_set_type_hint (GTK_WINDOW (tooltip->window),
GDK_WINDOW_TYPE_HINT_TOOLTIP);
gtk_widget_set_app_paintable (tooltip->window, TRUE);
gtk_window_set_resizable (GTK_WINDOW (tooltip->window), FALSE);
gtk_widget_set_name (tooltip->window, "gtk-tooltip");
g_signal_connect (tooltip->window, "hide",
G_CALLBACK (gtk_tooltip_window_hide), tooltip);
tooltip->alignment = gtk_alignment_new (0.5, 0.5, 1.0, 1.0);
gtk_alignment_set_padding (GTK_ALIGNMENT (tooltip->alignment),
tooltip->window->style->ythickness,
tooltip->window->style->ythickness,
tooltip->window->style->xthickness,
tooltip->window->style->xthickness);
gtk_container_add (GTK_CONTAINER (tooltip->window), tooltip->alignment);
gtk_widget_show (tooltip->alignment);
g_signal_connect_swapped (tooltip->window, "style-set",
G_CALLBACK (gtk_tooltip_window_style_set), tooltip);
g_signal_connect_swapped (tooltip->window, "expose-event",
G_CALLBACK (gtk_tooltip_paint_window), tooltip);
tooltip->box = gtk_hbox_new (FALSE, tooltip->window->style->xthickness);
gtk_container_add (GTK_CONTAINER (tooltip->alignment), tooltip->box);
gtk_widget_show (tooltip->box);
tooltip->image = gtk_image_new ();
gtk_box_pack_start (GTK_BOX (tooltip->box), tooltip->image,
FALSE, FALSE, 0);
tooltip->label = gtk_label_new ("");
gtk_label_set_line_wrap (GTK_LABEL (tooltip->label), TRUE);
gtk_box_pack_start (GTK_BOX (tooltip->box), tooltip->label,
FALSE, FALSE, 0);
g_signal_connect (tooltip->window, "composited-changed",
G_CALLBACK (on_composited_changed), tooltip);
g_signal_connect (tooltip->window, "screen-changed",
G_CALLBACK (on_screen_changed), tooltip);
g_signal_connect (tooltip->window, "realize",
G_CALLBACK (on_realized), tooltip);
tooltip->custom_widget = NULL;
}
TransparentSlider::TransparentSlider() :
_redInit(0.5),
_greenInit(1),
_blueInit(0.5),
_alphaInit(0.5),
_buttonLabel("Close"),
_box(Gtk::ORIENTATION_VERTICAL),
_inner_box(Gtk::ORIENTATION_HORIZONTAL),
_alignment(Gtk::ALIGN_END, Gtk::ALIGN_END, 0.0, 0.0),
_button(_buttonLabel),
_adjustmentRed(Gtk::Adjustment::create(_redInit, 0, 1.0, 0.1, 0.1, 0)),
_adjustmentGreen(Gtk::Adjustment::create(_greenInit, 0, 1.0, 0.1, 0.1, 0)),
_adjustmentBlue(Gtk::Adjustment::create(_blueInit, 0, 1.0, 0.1, 0.1, 0)),
_adjustmentAlpha(Gtk::Adjustment::create(_alphaInit, 0, 1.0, 0.1, 0.1, 0)),
_scaleRed(_adjustmentRed, Gtk::ORIENTATION_VERTICAL),
_scaleGreen(_adjustmentGreen, Gtk::ORIENTATION_VERTICAL),
_scaleBlue(_adjustmentBlue, Gtk::ORIENTATION_VERTICAL),
_scaleAlpha(_adjustmentAlpha, Gtk::ORIENTATION_VERTICAL)
{
// Set up the top-level window.
set_border_width(10);
set_title("Color Slider Test");
set_default_size(400,400);
set_decorated(false);
add_events(Gdk::BUTTON_PRESS_MASK);
set_position(Gtk::WIN_POS_CENTER);
set_app_paintable(true);
// Signal handlers
signal_draw().connect(sigc::mem_fun(*this, &TransparentSlider::on_draw));
signal_screen_changed().connect(sigc::mem_fun(*this, &TransparentSlider::on_screen_changed));
signal_button_press_event().connect(sigc::mem_fun(*this, &TransparentSlider::on_window_clicked));
_button.signal_clicked().connect(sigc::mem_fun(*this, &TransparentSlider::on_button_clicked));
// Widgets
// Add the box and pack it.
add(_box);
_box.pack_start(_inner_box);
_box.pack_start(_alignment);
// Pack the inner box
_inner_box.set_homogeneous();
_inner_box.pack_start(_scaleRed);
_inner_box.pack_start(_scaleGreen);
_inner_box.pack_start(_scaleBlue);
_inner_box.pack_start(_scaleAlpha);
// Set up the scales:
_scaleRed.set_digits(3);
_scaleRed.set_inverted();
_scaleGreen.set_digits(3);
_scaleGreen.set_inverted();
_scaleBlue.set_digits(3);
_scaleBlue.set_inverted();
_scaleAlpha.set_digits(3);
_scaleAlpha.set_inverted();
// Set up the close button
_alignment.add(_button);
_button.set_size_request(100, 10);
// Initialize the process of drawing the colored part.
on_screen_changed(get_screen());
// Show the window and all its children.
show_all_children();
}
