Fix some compiler warnings.
[synfig.git] / synfig-studio / trunk / src / synfigapp / inputdevice.cpp
1 /* === S Y N F I G ========================================================= */
2 /*!     \file inputdevice.cpp
3 **      \brief Template File
4 **
5 **      $Id$
6 **
7 **      \legal
8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 **
10 **      This package is free software; you can redistribute it and/or
11 **      modify it under the terms of the GNU General Public License as
12 **      published by the Free Software Foundation; either version 2 of
13 **      the License, or (at your option) any later version.
14 **
15 **      This package is distributed in the hope that it will be useful,
16 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
17 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 **      General Public License for more details.
19 **      \endlegal
20 */
21 /* ========================================================================= */
22
23 /* === H E A D E R S ======================================================= */
24
25 #ifdef USING_PCH
26 #       include "pch.h"
27 #else
28 #ifdef HAVE_CONFIG_H
29 #       include <config.h>
30 #endif
31
32 #include "inputdevice.h"
33 #include "settings.h"
34 #include <cstdio>
35 #include <ETL/stringf>
36 #include "main.h"
37
38 #include "general.h"
39
40 #endif
41
42 /* === U S I N G =========================================================== */
43
44 using namespace std;
45 using namespace etl;
46 using namespace synfig;
47 using namespace synfigapp;
48
49 /* === M A C R O S ========================================================= */
50
51 /* === G L O B A L S ======================================================= */
52
53 class DeviceSettings : public Settings
54 {
55         InputDevice* input_device;
56 public:
57         DeviceSettings(InputDevice* input_device):
58                 input_device(input_device) { }
59
60
61         virtual bool get_value(const synfig::String& key, synfig::String& value)const
62         {
63                 if(key=="state")
64                 {
65                         value=input_device->get_state();
66                         return true;
67                 }
68                 if(key=="bline_width")
69                 {
70                         value=strprintf("%s",input_device->get_bline_width().get_string().c_str());
71                         return true;
72                 }
73                 if(key=="opacity")
74                 {
75                         value=strprintf("%f",(float)input_device->get_opacity());
76                         return true;
77                 }
78                 if(key=="blend_method")
79                 {
80                         value=strprintf("%i",(int)input_device->get_blend_method());
81                         return true;
82                 }
83                 if(key=="color")
84                 {
85                         Color c(input_device->get_foreground_color());
86                         value=strprintf("%f %f %f %f",(float)c.get_r(),(float)c.get_g(),(float)c.get_b(),(float)c.get_a());
87
88                         return true;
89                 }
90
91                 return Settings::get_value(key, value);
92         }
93
94         virtual bool set_value(const synfig::String& key,const synfig::String& value)
95         {
96                 if(key=="state")
97                 {
98                         input_device->set_state(value);
99                         return true;
100                 }
101                 if(key=="bline_width")
102                 {
103                         input_device->set_bline_width(synfig::Distance(value));
104                         return true;
105                 }
106                 if(key=="opacity")
107                 {
108                         input_device->set_opacity(atof(value.c_str()));
109                         return true;
110                 }
111                 if(key=="blend_method")
112                 {
113                         input_device->set_blend_method(Color::BlendMethod(atoi(value.c_str())));
114                         return true;
115                 }
116                 if(key=="color")
117                 {
118                         float r=0,g=0,b=0,a=1;
119                         if(!strscanf(value,"%f %f %f %f",&r,&g,&b,&a))
120                                 return false;
121                         input_device->set_foreground_color(synfig::Color(r,g,b,a));
122                         return true;
123                 }
124
125                 return Settings::set_value(key, value);
126         }
127
128         virtual KeyList get_key_list()const
129         {
130                 KeyList ret(Settings::get_key_list());
131                 ret.push_back("color");
132                 ret.push_back("state");
133                 ret.push_back("bline_width");
134                 ret.push_back("blend_method");
135                 ret.push_back("opacity");
136                 return ret;
137         }
138 };
139
140 /* === P R O C E D U R E S ================================================= */
141
142 /* === M E T H O D S ======================================================= */
143
144 InputDevice::InputDevice(const synfig::String id_, Type type_):
145         id_(id_),
146         type_(type_),
147         state_((type_==TYPE_PEN)?"sketch":"normal"),
148         foreground_color_(Color::black()),
149         background_color_(Color::white()),
150         bline_width_(Distance(1,Distance::SYSTEM_POINTS)),
151         opacity_(1.0f),
152         blend_method_(Color::BLEND_COMPOSITE)
153 {
154         switch(type_)
155         {
156                 case TYPE_MOUSE:
157                         state_="normal";
158                         break;
159
160                 case TYPE_PEN:
161                         state_="draw";
162                         break;
163
164                 case TYPE_ERASER:
165                         state_="normal";
166                         break;
167
168                 case TYPE_CURSOR:
169                         state_="normal";
170                         break;
171
172                 default:
173                         state_="normal";
174                         break;
175         }
176
177         device_settings=new DeviceSettings(this);
178         Main::settings().add_domain(device_settings,"input_device."+id_);
179 }
180
181 InputDevice::~InputDevice()
182 {
183         Main::settings().remove_domain("input_device."+id_);
184         delete device_settings;
185 }
186
187 Settings&
188 InputDevice::settings()
189 {
190         return *device_settings;
191 }
192
193 const Settings&
194 InputDevice::settings()const
195 {
196         return *device_settings;
197 }