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