static void
task_title_setup (TaskTitle *title)
{
TaskTitlePrivate *priv = title->priv;
priv->screen = wnck_screen_get_default ();
priv->window = NULL;
gtk_widget_add_events (GTK_WIDGET (title), GDK_ALL_EVENTS_MASK);
priv->align = gtk_alignment_new (0.0, 0.0, 1.0, 1.0);
gtk_alignment_set_padding (GTK_ALIGNMENT (priv->align),
0, 0, 6, 6);
gtk_container_add (GTK_CONTAINER (title), priv->align);
priv->grid = gtk_grid_new();
gtk_grid_set_row_spacing (GTK_GRID(priv->grid), 2);
gtk_container_add (GTK_CONTAINER (priv->align), priv->grid);
gtk_widget_set_no_show_all (priv->grid, TRUE);
gtk_widget_show (priv->grid);
//Prepare and show the title label
priv->label = getTitleLabel();
gtk_grid_attach (GTK_GRID(priv->grid), priv->label, 0, 0, 1, 1);
gtk_widget_show (priv->label);
//Create the close button
priv->button = getCloseButton (title);
gtk_grid_attach (GTK_GRID(priv->grid), priv->button, 1, 0, 1, 1);
gtk_widget_show (priv->button);
g_signal_connect (GTK_WIDGET(title), "draw",
G_CALLBACK (on_draw), title);
// Prepare and add the logoff icon to the title
GdkScreen *gdkscreen = gtk_widget_get_screen (GTK_WIDGET (title));
GtkIconTheme *theme = gtk_icon_theme_get_for_screen (gdkscreen);
//this shows a little green exit icon, like the ones on emergency exits
priv->quit_icon = gtk_icon_theme_load_icon (
theme, "gnome-logout", 16, 0, NULL
);
priv->button_image = gtk_image_new_from_pixbuf (priv->quit_icon);
gtk_container_add (GTK_CONTAINER (priv->button), priv->button_image);
gtk_widget_show (priv->button_image);
gtk_widget_set_tooltip_text (priv->button,
_("Log off, switch user, lock screen or "
"power down the computer")
);
gtk_widget_set_tooltip_text (GTK_WIDGET (title), _("Home"));
gtk_widget_add_events (GTK_WIDGET (title), GDK_ALL_EVENTS_MASK);
g_signal_connect (priv->screen, "active-window-changed",
G_CALLBACK (on_active_window_changed), title);
g_signal_connect (title, "button-press-event",
G_CALLBACK (on_button_press), NULL);
}
virtual void needsLayout(void)
{
if (!_parentInited) {
return;
}
// Hide the background and the label
if (getTitleLabel() != nullptr) {
getTitleLabel()->setVisible(false);
}
if (getBackgroundSprite()) {
getBackgroundSprite()->setVisible(false);
}
// Update anchor of all labels
this->setLabelAnchorPoint(this->_labelAnchorPoint);
// Update the label to match with the current state
_currentTitle = getTitleForState(_state);
_currentTitleColor = getTitleColorForState(_state);
this->setTitleLabel(getTitleLabelForState(_state));
LabelProtocol* label = dynamic_cast<LabelProtocol*>(getTitleLabel());
if (label && !_currentTitle.empty())
{
label->setString(_currentTitle);
}
if (getTitleLabel())
{
getTitleLabel()->setColor(_currentTitleColor);
}
if (getTitleLabel() != nullptr)
{
getTitleLabel()->setPosition(Point (getContentSize().width / 2, getContentSize().height / 2));
}
// Update the background sprite
this->setBackgroundSprite(this->getBackgroundSpriteForState(_state));
if (getBackgroundSprite() != nullptr)
{
getBackgroundSprite()->setPosition(Point (getContentSize().width / 2, getContentSize().height / 2));
}
// Get the title label size
Size titleLabelSize;
if (getTitleLabel() != nullptr)
{
titleLabelSize = getTitleLabel()->getBoundingBox().size;
}
// Adjust the background image if necessary
if (_doesAdjustBackgroundImage)
{
// Add the margins
if (getBackgroundSprite() != nullptr)
{
getBackgroundSprite()->setContentSize(Size(titleLabelSize.width + _marginH * 2, titleLabelSize.height + _marginV * 2));
}
}
else
{
//TODO: should this also have margins if one of the preferred sizes is relaxed?
if (getBackgroundSprite() != nullptr)
{
Size preferredSize = getBackgroundSprite()->getPreferredSize();
if (preferredSize.width <= 0)
{
preferredSize.width = titleLabelSize.width;
}
if (preferredSize.height <= 0)
{
preferredSize.height = titleLabelSize.height;
}
getBackgroundSprite()->setContentSize(preferredSize);
}
}
// Set the content size
Rect rectTitle;
if (getTitleLabel() != nullptr)
{
rectTitle = getTitleLabel()->getBoundingBox();
}
Rect rectBackground;
if (getBackgroundSprite() != nullptr)
{
rectBackground = getBackgroundSprite()->getBoundingBox();
}
Rect maxRect = ControlUtils::RectUnion(rectTitle, rectBackground);
if (_maxSize.width > 0 && maxRect.size.width > _maxSize.width)
maxRect.size.width = _maxSize.width;
if (_maxSize.height > 0 && maxRect.size.height > _maxSize.height)
maxRect.size.height = _maxSize.height;
if (titleLabelSize.width > maxRect.size.width - _horizonPadding * 2)
maxRect.size.width += _horizonPadding * 2;
if (titleLabelSize.height > maxRect.size.height - _verticalPadding * 2)
maxRect.size.height += _verticalPadding * 2;
setContentSize(Size(maxRect.size.width, maxRect.size.height));
if (getTitleLabel() != nullptr)
{
getTitleLabel()->setPosition(Point(getContentSize().width/2, getContentSize().height/2));
// Make visible the background and the label
getTitleLabel()->setVisible(true);
}
if (getBackgroundSprite() != nullptr)
{
getBackgroundSprite()->setPosition(Point(getContentSize().width/2, getContentSize().height/2));
getBackgroundSprite()->setVisible(true);
getBackgroundSprite()->setContentSize(maxRect.size);
}
}
void setTitleOutlineColor(Color4B color) {
Label *titleLabel = dynamic_cast<Label*>(getTitleLabel());
if (titleLabel) {
titleLabel->enableOutline(color);
}
}