1 #define INKSCAPE_LIVEPATHEFFECT_PARAMETER_POINT_CPP\r
2 \r
3 /*\r
4 * Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>\r
5 *\r
6 * Released under GNU GPL, read the file 'COPYING' for more information\r
7 */\r
8 \r
9 #include "live_effects/parameter/point.h"\r
10 #include "live_effects/effect.h"\r
11 #include "svg/svg.h"\r
12 #include "svg/stringstream.h"\r
13 #include <gtkmm.h>\r
14 #include "ui/widget/point.h"\r
15 #include "widgets/icon.h"\r
16 \r
17 #include "knot.h"\r
18 #include "inkscape.h"\r
19 #include "verbs.h"\r
20 \r
21 #define noLPEPOINTPARAM_DEBUG\r
22 \r
23 #define PRM_KNOT_COLOR_NORMAL 0xffffff00\r
24 #define PRM_KNOT_COLOR_SELECTED 0x0000ff00\r
25 \r
26 namespace Inkscape {\r
27 \r
28 namespace LivePathEffect {\r
29 \r
30 PointParam::PointParam( const Glib::ustring& label, const Glib::ustring& tip,\r
31 const Glib::ustring& key, Inkscape::UI::Widget::Registry* wr,\r
32 Effect* effect, Geom::Point default_value )\r
33 : Geom::Point(default_value), Parameter(label, tip, key, wr, effect), defvalue(default_value)\r
34 {\r
35 _widget = NULL;\r
36 pointwdg = NULL;\r
37 knot = NULL;\r
38 _tooltips = NULL;\r
39 }\r
40 \r
41 PointParam::~PointParam()\r
42 {\r
43 if (pointwdg)\r
44 delete pointwdg;\r
45 if (_tooltips)\r
46 delete _tooltips;\r
47 \r
48 if (knot)\r
49 g_object_unref (G_OBJECT (knot));\r
50 }\r
51 \r
52 void\r
53 PointParam::param_set_default()\r
54 {\r
55 param_setValue(defvalue);\r
56 }\r
57 \r
58 bool\r
59 PointParam::param_readSVGValue(const gchar * strvalue)\r
60 {\r
61 gchar ** strarray = g_strsplit(strvalue, ",", 2);\r
62 double newx, newy;\r
63 unsigned int success = sp_svg_number_read_d(strarray[0], &newx);\r
64 success += sp_svg_number_read_d(strarray[1], &newy);\r
65 g_strfreev (strarray);\r
66 if (success == 2) {\r
67 param_setValue( Geom::Point(newx, newy) );\r
68 return true;\r
69 }\r
70 return false;\r
71 }\r
72 \r
73 gchar *\r
74 PointParam::param_writeSVGValue() const\r
75 {\r
76 Inkscape::SVGOStringStream os;\r
77 os << (*this)[0] << "," << (*this)[1];\r
78 gchar * str = g_strdup(os.str().c_str());\r
79 return str;\r
80 }\r
81 \r
82 Gtk::Widget *\r
83 PointParam::param_getWidget()\r
84 {\r
85 if (!_widget) {\r
86 pointwdg = new Inkscape::UI::Widget::RegisteredPoint();\r
87 pointwdg->init(param_label, param_tooltip, param_key, *param_wr, param_effect->getRepr(), param_effect->getSPDoc());\r
88 pointwdg->setValue( (*this)[0], (*this)[1] );\r
89 pointwdg->set_undo_parameters(SP_VERB_DIALOG_LIVE_PATH_EFFECT, _("Change point parameter"));\r
90 \r
91 Gtk::Widget* pIcon = Gtk::manage( sp_icon_get_icon( "draw_node", Inkscape::ICON_SIZE_BUTTON) );\r
92 Gtk::Button * pButton = Gtk::manage(new Gtk::Button());\r
93 pButton->set_relief(Gtk::RELIEF_NONE);\r
94 pIcon->show();\r
95 pButton->add(*pIcon);\r
96 pButton->show();\r
97 pButton->signal_clicked().connect(sigc::mem_fun(*this, &PointParam::on_button_click));\r
98 #ifndef LPEPOINTPARAM_DEBUG\r
99 pButton->set_sensitive(false);\r
100 #endif\r
101 \r
102 _widget = Gtk::manage( new Gtk::HBox() );\r
103 static_cast<Gtk::HBox*>(_widget)->pack_start(*pButton, true, true);\r
104 static_cast<Gtk::HBox*>(_widget)->pack_start(*(pointwdg->getPoint()), true, true);\r
105 static_cast<Gtk::HBox*>(_widget)->show_all_children();\r
106 \r
107 _tooltips = new Gtk::Tooltips();\r
108 _tooltips->set_tip(*pButton, _("Edit on-canvas"));\r
109 }\r
110 return dynamic_cast<Gtk::Widget *> (_widget);\r
111 }\r
112 \r
113 void\r
114 PointParam::param_setValue(Geom::Point newpoint)\r
115 {\r
116 *dynamic_cast<Geom::Point *>( this ) = newpoint;\r
117 if (pointwdg)\r
118 pointwdg->setValue(newpoint[0], newpoint[1]);\r
119 }\r
120 \r
121 \r
122 // CALLBACKS:\r
123 \r
124 void\r
125 PointParam::on_button_click()\r
126 {\r
127 g_message("add knot to canvas on correct location :S");\r
128 \r
129 if (!knot) {\r
130 // create the knot\r
131 knot = sp_knot_new (SP_ACTIVE_DESKTOP, NULL);\r
132 knot->setMode(SP_KNOT_MODE_XOR);\r
133 knot->setFill(PRM_KNOT_COLOR_NORMAL, PRM_KNOT_COLOR_NORMAL, PRM_KNOT_COLOR_NORMAL);\r
134 knot->setStroke(0x000000ff, 0x000000ff, 0x000000ff);\r
135 sp_knot_update_ctrl(knot);\r
136 \r
137 // move knot to the given point\r
138 sp_knot_set_position (knot, &NR::Point((*this)[0], (*this)[1]), SP_KNOT_STATE_NORMAL);\r
139 sp_knot_show (knot);\r
140 /*\r
141 // connect knot's signals\r
142 if ( (draggable) // it can be NULL if a node in unsnapped (eg. focus point unsnapped from center)\r
143 // luckily, midstops never snap to other nodes so are never unsnapped...\r
144 && ( (draggable->point_type == POINT_LG_MID)\r
145 || (draggable->point_type == POINT_RG_MID1)\r
146 || (draggable->point_type == POINT_RG_MID2) ) )\r
147 {\r
148 this->handler_id = g_signal_connect (G_OBJECT (this->knot), "moved", G_CALLBACK (gr_knot_moved_midpoint_handler), this);\r
149 } else {\r
150 this->handler_id = g_signal_connect (G_OBJECT (this->knot), "moved", G_CALLBACK (gr_knot_moved_handler), this);\r
151 }\r
152 g_signal_connect (G_OBJECT (this->knot), "clicked", G_CALLBACK (gr_knot_clicked_handler), this);\r
153 g_signal_connect (G_OBJECT (this->knot), "doubleclicked", G_CALLBACK (gr_knot_doubleclicked_handler), this);\r
154 g_signal_connect (G_OBJECT (this->knot), "grabbed", G_CALLBACK (gr_knot_grabbed_handler), this);\r
155 g_signal_connect (G_OBJECT (this->knot), "ungrabbed", G_CALLBACK (gr_knot_ungrabbed_handler), this);\r
156 */\r
157 }\r
158 }\r
159 \r
160 } /* namespace LivePathEffect */\r
161 \r
162 } /* namespace Inkscape */\r
163 \r
164 /*\r
165 Local Variables:\r
166 mode:c++\r
167 c-file-style:"stroustrup"\r
168 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))\r
169 indent-tabs-mode:nil\r
170 fill-column:99\r
171 End:\r
172 */\r
173 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :\r