src/rubberband.cpp

   1 #define __RUBBERBAND_C__
   2
   3 /**
   4  * \file src/rubberband.cpp
   5  * \brief Rubberbanding selector
   6  *
   7  * Author:
   8  *   Lauris Kaplinski <lauris@kaplinski.com>
   9  *
  10  * Copyright (C) 1999-2002 Lauris Kaplinski
  11  *
  12  * Released under GNU GPL, read the file 'COPYING' for more information
  13  */
  14
  15 #include "display/sodipodi-ctrlrect.h"
  16 #include "desktop.h"
  17 #include "inkscape.h"
  18 #include "desktop-handles.h"
  19 #include "rubberband.h"
  20
  21 Inkscape::Rubberband *Inkscape::Rubberband::_instance = NULL;
  22
  23 Inkscape::Rubberband::Rubberband()
  24     : _desktop(SP_ACTIVE_DESKTOP), _canvas(NULL)
  25 {
  26
  27 }
  28
  29 void Inkscape::Rubberband::start(SPDesktop *d, NR::Point const &p)
  30 {
  31     stop();
  32     _desktop = d;
  33     _start = p;
  34 }
  35
  36 void Inkscape::Rubberband::stop()
  37 {
  38     if (_canvas) {
  39         gtk_object_destroy((GtkObject *) _canvas);
  40         _canvas = NULL;
  41     }
  42 }
  43
  44 void Inkscape::Rubberband::move(NR::Point const &p)
  45 {
  46     if (_canvas == NULL) {
  47         _canvas = static_cast<CtrlRect *>(sp_canvas_item_new(sp_desktop_controls(_desktop), SP_TYPE_CTRLRECT, NULL));
  48     }
  49
  50     _desktop->scroll_to_point(&p);
  51     _end = p;
  52
  53     _canvas->setRectangle(NR::Rect(_start, _end));
  54 }
  55
  56 NR::Maybe<NR::Rect> Inkscape::Rubberband::getRectangle() const
  57 {
  58     if (_canvas == NULL) {
  59         return NR::Nothing();
  60     }
  61
  62     return NR::Rect(_start, _end);
  63 }
  64
  65 Inkscape::Rubberband *Inkscape::Rubberband::get()
  66 {
  67     if (_instance == NULL) {
  68         _instance = new Inkscape::Rubberband;
  69     }
  70
  71     return _instance;
  72 }
  73
  74 /*
  75   Local Variables:
  76   mode:c++
  77   c-file-style:"stroustrup"
  78   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
  79   indent-tabs-mode:nil
  80   fill-column:99
  81   End:
  82 */
  83 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :