#include "inkscape.h"

#include "prefs-utils.h"

#include "desktop.h"

#include "dock.h"

#include <gtkmm/adjustment.h>

namespace Inkscape {

namespace UI {

namespace Widget {

namespace {

void hideCallback(GtkObject *object, gpointer dock_ptr)

{

g_return_if_fail( dock_ptr != NULL );

Dock *dock = (Dock *)dock_ptr;

dock->hide();

}

void unhideCallback(GtkObject *object, gpointer dock_ptr)

{

g_return_if_fail( dock_ptr != NULL );

Dock *dock = (Dock *)dock_ptr;

dock->show();

}

}

const int Dock::_default_empty_width = 0;

const int Dock::_default_dock_bar_width = 36;

Dock::Dock(Gtk::Orientation orientation)

: _gdl_dock (GDL_DOCK (gdl_dock_new())),

_gdl_dock_bar (GDL_DOCK_BAR (gdl_dock_bar_new(GDL_DOCK(_gdl_dock)))),

_scrolled_window (Gtk::manage(new Gtk::ScrolledWindow))

{

gdl_dock_bar_set_orientation(_gdl_dock_bar, static_cast<GtkOrientation>(orientation));

switch (orientation) {

case Gtk::ORIENTATION_VERTICAL:

_dock_box = Gtk::manage(new Gtk::HBox());

_paned = Gtk::manage(new Gtk::VPaned());

break;

case Gtk::ORIENTATION_HORIZONTAL:

_dock_box = Gtk::manage(new Gtk::VBox());

_paned = Gtk::manage(new Gtk::HPaned());

}

_scrolled_window->add(*_dock_box);

_scrolled_window->set_policy(Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);

_paned->pack1(*Glib::wrap(GTK_WIDGET(_gdl_dock)), false, false);

_paned->pack2(_filler, true, false);

_dock_box->pack_start(*_paned, Gtk::PACK_EXPAND_WIDGET);

_dock_box->pack_end(*Gtk::manage(Glib::wrap(GTK_WIDGET(_gdl_dock_bar))), Gtk::PACK_SHRINK);

_dock_box->get_parent()->set_resize_mode(Gtk::RESIZE_PARENT);

_scrolled_window->set_size_request(0);

GdlSwitcherStyle gdl_switcher_style =

static_cast<GdlSwitcherStyle>(prefs_get_int_attribute_limited("options.dock", "switcherstyle",

GDL_SWITCHER_STYLE_BOTH, 0, 4));

g_object_set (GDL_DOCK_OBJECT(_gdl_dock)->master,

"switcher-style", gdl_switcher_style,

NULL);

GdlDockBarStyle gdl_dock_bar_style =

static_cast<GdlDockBarStyle>(prefs_get_int_attribute_limited("options.dock", "dockbarstyle",

GDL_DOCK_BAR_BOTH, 0, 3));

gdl_dock_bar_set_style(_gdl_dock_bar, gdl_dock_bar_style);

g_signal_connect(G_OBJECT(INKSCAPE), "dialogs_hide", G_CALLBACK(hideCallback), (void *)this);

g_signal_connect(G_OBJECT(INKSCAPE), "dialogs_unhide", G_CALLBACK(unhideCallback), (void *)this);

signal_layout_changed().connect(sigc::mem_fun(*this, &Inkscape::UI::Widget::Dock::_onLayoutChanged));

}

Dock::~Dock()

{

g_free(_gdl_dock);

g_free(_gdl_dock_bar);

}

Dock::addItem(DockItem& item, DockItem::Placement placement)

{

_dock_items.push_back(&item);

gdl_dock_add_item(_gdl_dock, GDL_DOCK_ITEM(item.gobj()), (GdlDockPlacement)placement);

// FIXME: This is a hack to prevent the dock from expanding the main window, this can't be done

// initially as the paned doesn't exist.

if (Gtk::Paned *paned = getParentPaned())

paned->set_resize_mode(Gtk::RESIZE_QUEUE);

}

Gtk::Widget&

Dock::getWidget()

{

return *_scrolled_window;

}

Gtk::Paned *

Dock::getParentPaned()

{

g_return_val_if_fail(_dock_box, 0);

Gtk::Container *parent = getWidget().get_parent();

return (parent != 0 ? dynamic_cast<Gtk::Paned *>(parent) : 0);

}

Gtk::Paned *

Dock::getPaned()

{

return _paned;

}

Dock::isEmpty() const

{

std::list<const DockItem *>::const_iterator

i = _dock_items.begin(),

e = _dock_items.end();

for (; i != e; ++i)

if ((*i)->getState() == DockItem::DOCKED_STATE)

return false;

return true;

}

Dock::hasIconifiedItems() const

{

std::list<const DockItem *>::const_iterator

i = _dock_items.begin(),

e = _dock_items.end();

for (; i != e; ++i)

if ((*i)->isIconified())

return true;

return false;

}

Dock::hide()

{

getWidget().hide();

}

Dock::show()

{

getWidget().show();

}

Dock::toggleDockable(int width, int height)

{

static int prev_horizontal_position, prev_vertical_position;

Gtk::Paned *parent_paned = getParentPaned();

if (width > 0 && height > 0) {

prev_horizontal_position = parent_paned->get_position();

prev_vertical_position = _paned->get_position();

if (getWidget().get_width() < width)

parent_paned->set_position(parent_paned->get_width() - width);

if (_paned->get_position() < height)

_paned->set_position(height);

} else {

parent_paned->set_position(prev_horizontal_position);

_paned->set_position(prev_vertical_position);

}

}

Dock::scrollToItem(DockItem& item)

{

int item_x, item_y;

item.getWidget().translate_coordinates(getWidget(), 0, 0, item_x, item_y);

int dock_height = getWidget().get_height(), item_height = item.getWidget().get_height();

double vadjustment = _scrolled_window->get_vadjustment()->get_value();

if (item_y < 0)

_scrolled_window->get_vadjustment()->set_value(vadjustment + item_y);

else if (item_y + item_height > dock_height)

_scrolled_window->get_vadjustment()->set_value(

vadjustment + ((item_y + item_height) - dock_height));

}

Glib::SignalProxy0<void>

Dock::signal_layout_changed()

{

return Glib::SignalProxy0<void>(Glib::wrap(GTK_WIDGET(_gdl_dock)),

&_signal_layout_changed_proxy);

}

Dock::_onLayoutChanged()

{

if (isEmpty()) {

if (hasIconifiedItems())

_scrolled_window->set_size_request(_default_dock_bar_width);

else

_scrolled_window->set_size_request(_default_empty_width);

getParentPaned()->set_position(INT_MAX);

} else {

_scrolled_window->set_size_request(-1);

}

}

const Glib::SignalProxyInfo

Dock::_signal_layout_changed_proxy =

{

"layout-changed",

(GCallback) &Glib::SignalProxyNormal::slot0_void_callback,

(GCallback) &Glib::SignalProxyNormal::slot0_void_callback

};

} // namespace Widget

} // namespace UI

} // namespace Inkscape