synfig-studio/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                 try
  64                 {
  65                         synfig::ChangeLocale change_locale(LC_NUMERIC, "C");
  66                         if(key=="state")
  67                         {
  68                                 value=input_device->get_state();
  69                                 return true;
  70                         }
  71                         if(key=="bline_width")
  72                         {
  73                                 value=strprintf("%s",input_device->get_bline_width().get_string().c_str());
  74                                 return true;
  75                         }
  76                         if(key=="opacity")
  77                         {
  78                                 value=strprintf("%f",(float)input_device->get_opacity());
  79                                 return true;
  80                         }
  81                         if(key=="blend_method")
  82                         {
  83                                 value=strprintf("%i",(int)input_device->get_blend_method());
  84                                 return true;
  85                         }
  86                         if(key=="outline_color")
  87                         {
  88                                 Color c(input_device->get_outline_color());
  89                                 value=strprintf("%f %f %f %f",(float)c.get_r(),(float)c.get_g(),(float)c.get_b(),(float)c.get_a());
  90
  91                                 return true;
  92                         }
  93                         if(key=="fill_color")
  94                         {
  95                                 Color c(input_device->get_fill_color());
  96                                 value=strprintf("%f %f %f %f",(float)c.get_r(),(float)c.get_g(),(float)c.get_b(),(float)c.get_a());
  97
  98                                 return true;
  99                         }
 100                         if(key=="mode")
 101                         {
 102                                 get_mode_value(value);
 103                                 return true;
 104                         }
 105                         if(key=="axes")
 106                         {
 107                                 get_axes_value(value);
 108                                 return true;
 109                         }
 110                         if(key=="keys")
 111                         {
 112                                 get_keys_value(value);
 113                                 return true;
 114                         }
 115                 }
 116                 catch(...)
 117                 {
 118                         synfig::warning("DeviceSettings: Caught exception when attempting to get value.");
 119                 }
 120                 return Settings::get_value(key, value);
 121         }
 122
 123         void get_mode_value(synfig::String & value) const
 124         {
 125                 if (input_device->get_mode() == InputDevice::MODE_SCREEN)
 126                         value = "screen";
 127                 else if (input_device->get_mode() == InputDevice::MODE_WINDOW)
 128                         value = "window";
 129                 else
 130                         value = "disabled";
 131         }
 132
 133         void get_axes_value(synfig::String & value) const
 134         {
 135                 vector<InputDevice::AxisUse> axes = input_device->get_axes();
 136                 value = strprintf("%u", axes.size());
 137                 vector<InputDevice::AxisUse>::const_iterator itr;
 138                 for (itr = axes.begin(); itr != axes.end(); itr++)
 139                         value += strprintf(" %u", (unsigned int) *itr);
 140         }
 141
 142         void get_keys_value(synfig::String & value) const
 143         {
 144                 vector<InputDevice::DeviceKey> keys = input_device->get_keys();
 145                 value = strprintf("%u", keys.size());
 146                 vector<InputDevice::DeviceKey>::const_iterator itr;
 147                 for (itr = keys.begin(); itr != keys.end(); itr++)
 148                         value += strprintf(" %u %u", itr->keyval, itr->modifiers);
 149         }
 150
 151         virtual bool set_value(const synfig::String& key,const synfig::String& value)
 152         {
 153                 try
 154                 {
 155                         synfig::ChangeLocale change_locale(LC_NUMERIC, "C");
 156                         if(key=="state")
 157                         {
 158                                 input_device->set_state(value);
 159                                 return true;
 160                         }
 161                         if(key=="bline_width")
 162                         {
 163                                 input_device->set_bline_width(synfig::Distance(value));
 164                                 return true;
 165                         }
 166                         if(key=="opacity")
 167                         {
 168                                 input_device->set_opacity(atof(value.c_str()));
 169                                 return true;
 170                         }
 171                         if(key=="blend_method")
 172                         {
 173                                 input_device->set_blend_method(Color::BlendMethod(atoi(value.c_str())));
 174                                 return true;
 175                         }
 176                         if(key=="outline_color")
 177                         {
 178                                 float r=0,g=0,b=0,a=1;
 179                                 if(!strscanf(value,"%f %f %f %f",&r,&g,&b,&a))
 180                                         return false;
 181                                 input_device->set_outline_color(synfig::Color(r,g,b,a));
 182                                 return true;
 183                         }
 184                         if(key=="fill_color")
 185                         {
 186                                 float r=0,g=0,b=0,a=1;
 187                                 if(!strscanf(value,"%f %f %f %f",&r,&g,&b,&a))
 188                                         return false;
 189                                 input_device->set_fill_color(synfig::Color(r,g,b,a));
 190                                 return true;
 191                         }
 192                         if(key=="mode")
 193                         {
 194                                 set_mode_value(value);
 195                                 return true;
 196                         }
 197                         if(key=="axes")
 198                         {
 199                                 set_axes_value(value);
 200                                 return true;
 201                         }
 202                         if(key=="keys")
 203                         {
 204                                 set_keys_value(value);
 205                                 return true;
 206                         }
 207                 }
 208                 catch(...)
 209                 {
 210                         synfig::warning("DeviceSettings: Caught exception when attempting to set value.");
 211                 }
 212                 return Settings::set_value(key, value);
 213         }
 214
 215         void set_mode_value(const synfig::String & value)
 216         {
 217                 InputDevice::Mode mode;
 218                 if (value == "screen")
 219                         mode = InputDevice::MODE_SCREEN;
 220                 else if (value == "window")
 221                         mode = InputDevice::MODE_WINDOW;
 222                 else
 223                         mode = InputDevice::MODE_DISABLED;
 224
 225                 input_device->set_mode(mode);
 226         }
 227
 228         void set_axes_value(const synfig::String & value)
 229         {
 230                 std::vector<InputDevice::AxisUse> axes;
 231
 232                 unsigned pos = value.find(' ', 0);
 233                 if (pos < value.size()) {
 234                         int num_axes = atoi(value.substr(0, pos).c_str());
 235                         axes.resize(num_axes);
 236
 237                         for (int axis = 0; axis < num_axes; axis++) {
 238                                 int last = pos;
 239                                 pos = value.find(' ', pos + 1);
 240                                 axes[axis] = InputDevice::AxisUse(atoi(value.substr(last, pos).c_str()));
 241                         }
 242                 }
 243
 244                 input_device->set_axes(axes);
 245         }
 246
 247         void set_keys_value(const synfig::String & value)
 248         {
 249                 std::vector<InputDevice::DeviceKey> keys;
 250
 251                 unsigned pos = value.find(' ', 0);
 252                 if (pos < value.size()) {
 253                         int num_keys = atoi(value.substr(0, pos).c_str());
 254                         keys.resize(num_keys);
 255
 256                         for (int key = 0; key < num_keys; key++) {
 257                                 int last = pos;
 258                                 pos = value.find(' ', pos + 1);
 259                                 keys[key].keyval = (unsigned int) atol(value.substr(last, pos).c_str());
 260                                 last = pos;
 261                                 pos = value.find(' ', pos + 1);
 262                                 keys[key].modifiers = (unsigned int) atol(value.substr(last, pos).c_str());
 263                         }
 264                 }
 265
 266                 input_device->set_keys(keys);
 267         }
 268
 269         virtual KeyList get_key_list()const
 270         {
 271                 KeyList ret(Settings::get_key_list());
 272                 ret.push_back("outline_color");
 273                 ret.push_back("fill_color");
 274                 ret.push_back("state");
 275                 ret.push_back("bline_width");
 276                 ret.push_back("blend_method");
 277                 ret.push_back("opacity");
 278                 ret.push_back("mode");
 279                 ret.push_back("axes");
 280                 ret.push_back("keys");
 281                 return ret;
 282         }
 283 };
 284
 285 /* === P R O C E D U R E S ================================================= */
 286
 287 /* === M E T H O D S ======================================================= */
 288
 289 InputDevice::InputDevice(const synfig::String id_, Type type_):
 290         id_(id_),
 291         type_(type_),
 292         state_((type_==TYPE_PEN)?"draw":"normal"),
 293         outline_color_(Color::black()),
 294         fill_color_(Color::white()),
 295         bline_width_(Distance(1,Distance::SYSTEM_POINTS)),
 296         opacity_(1.0f),
 297         blend_method_(Color::BLEND_BY_LAYER),
 298         mode_(MODE_DISABLED)
 299 {
 300         device_settings=new DeviceSettings(this);
 301         Main::settings().add_domain(device_settings,"input_device."+id_);
 302 }
 303
 304 InputDevice::~InputDevice()
 305 {
 306         Main::settings().remove_domain("input_device."+id_);
 307         delete device_settings;
 308 }
 309
 310 Settings&
 311 InputDevice::settings()
 312 {
 313         return *device_settings;
 314 }
 315
 316 const Settings&
 317 InputDevice::settings()const
 318 {
 319         return *device_settings;
 320 }