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/*
* Authors:
* Ralf Stephan <ralf@ark.in-berlin.de>
* Jon A. Cruz <jon@joncruz.org>
*
* Copyright (C) 2005 The Authors
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include <gtkmm/widget.h>
#include "desktop.h"
#include "desktop-events.h"
#include "display/sp-canvas.h"
#include "display/canvas-arena.h"
#include "ui/widget/svg-canvas.h"
namespace Inkscape {
namespace UI {
namespace Widget {
SVGCanvas::SVGCanvas()
{
void *canvas = g_object_new(SPCanvas::getType(), NULL);
_spcanvas = static_cast<SPCanvas*>(canvas);
_widget = Glib::wrap (static_cast<GtkWidget*> (canvas));
_dt = 0;
}
SVGCanvas::~SVGCanvas()
{
}
void
SVGCanvas::init (SPDesktop *dt)
{
_dt = dt;
_widget->set_can_focus();
// Set background to white
#if WITH_GTKMM_3_0
// TODO: Use Gtk::StyleContext instead
GtkWidget *c_widget = _widget->gobj();
GtkStyle *style = gtk_widget_get_style(c_widget);
style->bg[GTK_STATE_NORMAL] = style->white;
gtk_widget_set_style(c_widget, style);
#else
Glib::RefPtr<Gtk::Style> style = _widget->get_style();
style->set_bg(Gtk::STATE_NORMAL, style->get_white());
_widget->set_style(style);
// extension_events stuff is handled internally in GTK+ 3
// TODO: Needs testing
_widget->set_extension_events(Gdk::EXTENSION_EVENTS_ALL);
#endif
_widget->signal_event().connect(sigc::mem_fun(*this, &SVGCanvas::onEvent));
}
bool
SVGCanvas::onEvent (GdkEvent * ev) const
{
g_assert (_dt);
// Gdk::Event doesn't appear to be fully usable for this atm
if (ev->type == GDK_BUTTON_PRESS) {
// defocus any spinbuttons
_widget->grab_focus();
}
if ((ev->type == GDK_BUTTON_PRESS) && (ev->button.button == 3)) {
if (ev->button.state & GDK_SHIFT_MASK) {
sp_canvas_arena_set_sticky(SP_CANVAS_ARENA(_dt->drawing), true);
} else {
sp_canvas_arena_set_sticky(SP_CANVAS_ARENA(_dt->drawing), false);
}
}
// The keypress events need to be passed to desktop handler explicitly,
// because otherwise the event contexts only receive keypresses when the mouse cursor
// is over the canvas. This redirection is only done for keypresses and only if there's no
// current item on the canvas, because item events and all mouse events are caught
// and passed on by the canvas acetate (I think). --bb
if (ev->type == GDK_KEY_PRESS && !_spcanvas->current_item) {
return sp_desktop_root_handler(0, ev, _dt);
}
return false;
}
}}}
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
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