ui/widget/tolerance-slider.cpp

	tolerance-slider.cpp revision 1e595ddc34dd7090b285ed9f6fc8e125b9a264d9
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop/** \file
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop *
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop Implementation of tolerance slider widget.
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop *
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop * Authors:
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop *   Ralf Stephan <ralf@ark.in-berlin.de>
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop *
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop * Copyright (C) 2006 Authors
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop *
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop * Released under GNU GPL.  Read the file 'COPYING' for more information
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop */
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop#ifdef HAVE_CONFIG_H
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop# include <config.h>
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop#endif
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop#include <gtkmm/adjustment.h>
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop#include <gtkmm/box.h>
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop#include <gtkmm/label.h>
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop#include <gtkmm/scale.h>
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop#include "xml/repr.h"
727eeb2592befe925906eb7605e9ed770697162bDiederik van Lierop#include "svg/stringstream.h"
45d2569e428fc3733725b5e64e313e48c2a9d989Diederik van Lierop
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop#include "inkscape.h"
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop#include "document.h"
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop#include "desktop-handles.h"
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop#include "sp-namedview.h"
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop
727eeb2592befe925906eb7605e9ed770697162bDiederik van Lierop#include "registry.h"
ae73b82cf10057153a43afdcb1f3a22deac18ea2Diederik van Lierop#include "tolerance-slider.h"
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lieropnamespace Inkscape {
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lieropnamespace UI {
45d2569e428fc3733725b5e64e313e48c2a9d989Diederik van Lieropnamespace Widget {
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop//===================================================
e0762361898748e8a6943d30ef1b5b070d4498a1Diederik van Lierop
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop//---------------------------------------------------
727eeb2592befe925906eb7605e9ed770697162bDiederik van Lierop
727eeb2592befe925906eb7605e9ed770697162bDiederik van Lierop
727eeb2592befe925906eb7605e9ed770697162bDiederik van Lierop
727eeb2592befe925906eb7605e9ed770697162bDiederik van Lierop//====================================================
727eeb2592befe925906eb7605e9ed770697162bDiederik van Lierop
727eeb2592befe925906eb7605e9ed770697162bDiederik van LieropToleranceSlider::ToleranceSlider()
45d2569e428fc3733725b5e64e313e48c2a9d989Diederik van Lierop: _vbox(0)
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop{
c60180049420944fe78f7d8b2ca1df28cba163fdDiederik van Lierop}
45d2569e428fc3733725b5e64e313e48c2a9d989Diederik van Lierop
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van LieropToleranceSlider::~ToleranceSlider()
c60180049420944fe78f7d8b2ca1df28cba163fdDiederik van Lierop{
195e5fada891025f6d2f260e915ac209e0c0a5d0Diederik van Lierop    if (_vbox) delete _vbox;
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop    _scale_changed_connection.disconnect();
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop}
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lierop
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lieropvoid
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van LieropToleranceSlider::init (const Glib::ustring& label1, const Glib::ustring& label2, const Glib::ustring& tip1, const Glib::ustring& tip2, const Glib::ustring& key, Registry& wr)
727eeb2592befe925906eb7605e9ed770697162bDiederik van Lierop{
45d2569e428fc3733725b5e64e313e48c2a9d989Diederik van Lierop    // hbox = label + slider
45d2569e428fc3733725b5e64e313e48c2a9d989Diederik van Lierop    //
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lierop    // e.g.
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lierop    //
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lierop    // snap distance |-------X---| 37
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lierop
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lierop    // vbox = checkbutton
727eeb2592befe925906eb7605e9ed770697162bDiederik van Lierop    //             +
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lierop    //           hbox
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lierop
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lierop    _vbox = new Gtk::VBox;
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lierop    _hbox = manage (new Gtk::HBox);
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lierop
45d2569e428fc3733725b5e64e313e48c2a9d989Diederik van Lierop    Gtk::Label *theLabel1 = manage (new Gtk::Label (label1));
45d2569e428fc3733725b5e64e313e48c2a9d989Diederik van Lierop    theLabel1->set_use_underline();
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lierop    theLabel1->set_alignment(0, 0.5);
727eeb2592befe925906eb7605e9ed770697162bDiederik van Lierop    // align the label with the checkbox text above by indenting 22 px.
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lierop    _hbox->pack_start(*theLabel1, Gtk::PACK_EXPAND_WIDGET, 22);
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lierop    _hscale = manage (new Gtk::HScale (1.0, 51, 1.0));
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lierop    theLabel1->set_mnemonic_widget (*_hscale);
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lierop    _hscale->set_draw_value (true);
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lierop    _hscale->set_value_pos (Gtk::POS_RIGHT);
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lierop    _hscale->set_size_request (100, -1);
727eeb2592befe925906eb7605e9ed770697162bDiederik van Lierop    _old_val = 10;
727eeb2592befe925906eb7605e9ed770697162bDiederik van Lierop    _hscale->set_value (_old_val);
727eeb2592befe925906eb7605e9ed770697162bDiederik van Lierop    _tt.set_tip (*_hscale, tip1);
727eeb2592befe925906eb7605e9ed770697162bDiederik van Lierop    _hbox->add (*_hscale);
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lierop
45d2569e428fc3733725b5e64e313e48c2a9d989Diederik van Lierop
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lierop    Gtk::Label *theLabel2 = manage (new Gtk::Label (label2));
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lierop    theLabel2->set_use_underline();
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lierop    _button = manage (new Gtk::CheckButton);
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lierop    _tt.set_tip (*_button, tip2);
45d2569e428fc3733725b5e64e313e48c2a9d989Diederik van Lierop    _button->add (*theLabel2);
45d2569e428fc3733725b5e64e313e48c2a9d989Diederik van Lierop    _button->set_alignment (0.0, 0.5);
45d2569e428fc3733725b5e64e313e48c2a9d989Diederik van Lierop
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lierop    _vbox->add (*_button);
72cd517ebd6730a0b8b1b71bdb267ffe9f1d94ffDiederik van Lierop    // Here we need some extra pixels to get the vertical spacing right. Why?
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop    _vbox->pack_end(*_hbox, true, true, 3); // add 3 px.
f200d31b8a03050faa7243929bbd5698db488399Diederik van Lierop    _key = key;
    _scale_changed_connection = _hscale->signal_value_changed().connect (sigc::mem_fun (*this, &ToleranceSlider::on_scale_changed));
    _btn_toggled_connection = _button->signal_toggled().connect (sigc::mem_fun (*this, &ToleranceSlider::on_toggled));
    _wr = &wr;
    _vbox->show_all_children();
}

void
ToleranceSlider::setValue (double val)
{
    Gtk::Adjustment *adj = _hscale->get_adjustment();

    adj->set_lower (1.0);
    adj->set_upper (51.0);
    adj->set_step_increment (1.0);

    if (val > 9999.9) // magic value 10000.0
    {
        _button->set_active (false);
        _hbox->set_sensitive (false);
        val = 50.0;
    }
    else
    {
        _button->set_active (true);
        _hbox->set_sensitive (true);
    }
    _hscale->set_value (val);
    _hbox->show_all();
}

void
ToleranceSlider::setLimits (double theMin, double theMax)
{
    _hscale->set_range (theMin, theMax);
    _hscale->get_adjustment()->set_step_increment (1);
}

void
ToleranceSlider::on_scale_changed()
{
    update (_hscale->get_value());
}

void
ToleranceSlider::on_toggled()
{
    if (!_button->get_active())
    {
        _old_val = _hscale->get_value();
        _hbox->set_sensitive (false);
        _hbox->show_all();
        setValue (10000.0);
        update (10000.0);
    }
    else
    {
        _hbox->set_sensitive (true);
        _hbox->show_all();
        setValue (_old_val);
        update (_old_val);
    }
}

void
ToleranceSlider::update (double val)
{
    if (_wr->isUpdating())
        return;

    SPDesktop *dt = SP_ACTIVE_DESKTOP;
    if (!dt)
        return;

    Inkscape::SVGOStringStream os;
    os << val;

    _wr->setUpdating (true);

    SPDocument *doc = sp_desktop_document(dt);
    bool saved = sp_document_get_undo_sensitive (doc);
    sp_document_set_undo_sensitive (doc, false);
    Inkscape::XML::Node *repr = SP_OBJECT_REPR (sp_desktop_namedview(dt));
    repr->setAttribute(_key.c_str(), os.str().c_str());
    sp_document_set_undo_sensitive (doc, saved);

    doc->setModifiedSinceSave();

    _wr->setUpdating (false);
}


} // namespace Dialog
} // namespace UI
} // namespace Inkscape

/*
  Local Variables:
  mode:c++
  c-file-style:"stroustrup"
  c-file-offsets:((innamespace . 0)(inline-open . 0))
  indent-tabs-mode:nil
  fill-column:99
  End:
*/
// vim: filetype=c++:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :