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                         SETTINGS_LOCALE_SAFE_AND_BACKUP
  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                         SETTINGS_LOCALE_RESTORE
 116                 }
 117                 catch(...)
 118                 {
 119                         synfig::warning("DeviceSettings: Caught exception when attempting to get value.");
 120                 }
 121                 return Settings::get_value(key, value);
 122         }
 123
 124         void get_mode_value(synfig::String & value) const
 125         {
 126                 if (input_device->get_mode() == InputDevice::MODE_SCREEN)
 127                         value = "screen";
 128                 else if (input_device->get_mode() == InputDevice::MODE_WINDOW)
 129                         value = "window";
 130                 else
 131                         value = "disabled";
 132         }
 133
 134         void get_axes_value(synfig::String & value) const
 135         {
 136                 vector<InputDevice::AxisUse> axes = input_device->get_axes();
 137                 value = strprintf("%u", axes.size());
 138                 vector<InputDevice::AxisUse>::const_iterator itr;
 139                 for (itr = axes.begin(); itr != axes.end(); itr++)
 140                         value += strprintf(" %u", (unsigned int) *itr);
 141         }
 142
 143         void get_keys_value(synfig::String & value) const
 144         {
 145                 vector<InputDevice::DeviceKey> keys = input_device->get_keys();
 146                 value = strprintf("%u", keys.size());
 147                 vector<InputDevice::DeviceKey>::const_iterator itr;
 148                 for (itr = keys.begin(); itr != keys.end(); itr++)
 149                         value += strprintf(" %u %u", itr->keyval, itr->modifiers);
 150         }
 151
 152         virtual bool set_value(const synfig::String& key,const synfig::String& value)
 153         {
 154                 try
 155                 {
 156                         SETTINGS_LOCALE_SAFE_AND_BACKUP
 157                         if(key=="state")
 158                         {
 159                                 input_device->set_state(value);
 160                                 return true;
 161                         }
 162                         if(key=="bline_width")
 163                         {
 164                                 input_device->set_bline_width(synfig::Distance(value));
 165                                 return true;
 166                         }
 167                         if(key=="opacity")
 168                         {
 169                                 input_device->set_opacity(atof(value.c_str()));
 170                                 return true;
 171                         }
 172                         if(key=="blend_method")
 173                         {
 174                                 input_device->set_blend_method(Color::BlendMethod(atoi(value.c_str())));
 175                                 return true;
 176                         }
 177                         if(key=="outline_color")
 178                         {
 179                                 float r=0,g=0,b=0,a=1;
 180                                 if(!strscanf(value,"%f %f %f %f",&r,&g,&b,&a))
 181                                         return false;
 182                                 input_device->set_outline_color(synfig::Color(r,g,b,a));
 183                                 return true;
 184                         }
 185                         if(key=="fill_color")
 186                         {
 187                                 float r=0,g=0,b=0,a=1;
 188                                 if(!strscanf(value,"%f %f %f %f",&r,&g,&b,&a))
 189                                         return false;
 190                                 input_device->set_fill_color(synfig::Color(r,g,b,a));
 191                                 return true;
 192                         }
 193                         if(key=="mode")
 194                         {
 195                                 set_mode_value(value);
 196                                 return true;
 197                         }
 198                         if(key=="axes")
 199                         {
 200                                 set_axes_value(value);
 201                                 return true;
 202                         }
 203                         if(key=="keys")
 204                         {
 205                                 set_keys_value(value);
 206                                 return true;
 207                         }
 208                         SETTINGS_LOCALE_RESTORE
 209                 }
 210                 catch(...)
 211                 {
 212                         synfig::warning("DeviceSettings: Caught exception when attempting to set value.");
 213                 }
 214                 return Settings::set_value(key, value);
 215         }
 216
 217         void set_mode_value(const synfig::String & value)
 218         {
 219                 InputDevice::Mode mode;
 220                 if (value == "screen")
 221                         mode = InputDevice::MODE_SCREEN;
 222                 else if (value == "window")
 223                         mode = InputDevice::MODE_WINDOW;
 224                 else
 225                         mode = InputDevice::MODE_DISABLED;
 226
 227                 input_device->set_mode(mode);
 228         }
 229
 230         void set_axes_value(const synfig::String & value)
 231         {
 232                 std::vector<InputDevice::AxisUse> axes;
 233
 234                 unsigned pos = value.find(' ', 0);
 235                 if (pos < value.size()) {
 236                         int num_axes = atoi(value.substr(0, pos).c_str());
 237                         axes.resize(num_axes);
 238
 239                         for (int axis = 0; axis < num_axes; axis++) {
 240                                 int last = pos;
 241                                 pos = value.find(' ', pos + 1);
 242                                 axes[axis] = InputDevice::AxisUse(atoi(value.substr(last, pos).c_str()));
 243                         }
 244                 }
 245
 246                 input_device->set_axes(axes);
 247         }
 248
 249         void set_keys_value(const synfig::String & value)
 250         {
 251                 std::vector<InputDevice::DeviceKey> keys;
 252
 253                 unsigned pos = value.find(' ', 0);
 254                 if (pos < value.size()) {
 255                         int num_keys = atoi(value.substr(0, pos).c_str());
 256                         keys.resize(num_keys);
 257
 258                         for (int key = 0; key < num_keys; key++) {
 259                                 int last = pos;
 260                                 pos = value.find(' ', pos + 1);
 261                                 keys[key].keyval = (unsigned int) atol(value.substr(last, pos).c_str());
 262                                 last = pos;
 263                                 pos = value.find(' ', pos + 1);
 264                                 keys[key].modifiers = (unsigned int) atol(value.substr(last, pos).c_str());
 265                         }
 266                 }
 267
 268                 input_device->set_keys(keys);
 269         }
 270
 271         virtual KeyList get_key_list()const
 272         {
 273                 KeyList ret(Settings::get_key_list());
 274                 ret.push_back("outline_color");
 275                 ret.push_back("fill_color");
 276                 ret.push_back("state");
 277                 ret.push_back("bline_width");
 278                 ret.push_back("blend_method");
 279                 ret.push_back("opacity");
 280                 ret.push_back("mode");
 281                 ret.push_back("axes");
 282                 ret.push_back("keys");
 283                 return ret;
 284         }
 285 };
 286
 287 /* === P R O C E D U R E S ================================================= */
 288
 289 /* === M E T H O D S ======================================================= */
 290
 291 InputDevice::InputDevice(const synfig::String id_, Type type_):
 292         id_(id_),
 293         type_(type_),
 294         state_((type_==TYPE_PEN)?"draw":"normal"),
 295         outline_color_(Color::black()),
 296         fill_color_(Color::white()),
 297         bline_width_(Distance(1,Distance::SYSTEM_POINTS)),
 298         opacity_(1.0f),
 299         blend_method_(Color::BLEND_BY_LAYER),
 300         mode_(MODE_DISABLED)
 301 {
 302         device_settings=new DeviceSettings(this);
 303         Main::settings().add_domain(device_settings,"input_device."+id_);
 304 }
 305
 306 InputDevice::~InputDevice()
 307 {
 308         Main::settings().remove_domain("input_device."+id_);
 309         delete device_settings;
 310 }
 311
 312 Settings&
 313 InputDevice::settings()
 314 {
 315         return *device_settings;
 316 }
 317
 318 const Settings&
 319 InputDevice::settings()const
 320 {
 321         return *device_settings;
 322 }