src/dialogs/swatches.cpp

   1 /*
   2  * A simple panel for color swatches
   3  *
   4  * Authors:
   5  *   Jon A. Cruz
   6  *
   7  * Copyright (C) 2005 Jon A. Cruz
   8  *
   9  * Released under GNU GPL, read the file 'COPYING' for more information
  10  */
  11 #ifdef HAVE_CONFIG_H
  12 # include <config.h>
  13 #endif
  14
  15 #include <errno.h>
  16
  17 #include <gtk/gtkdialog.h> //for GTK_RESPONSE* types
  18 #include <gtk/gtkdnd.h>
  19
  20 #include <glibmm/i18n.h>
  21 #include <gdkmm/pixbuf.h>
  22 #include "inkscape.h"
  23 #include "document.h"
  24 #include "desktop-handles.h"
  25 #include "extension/db.h"
  26 #include "inkscape.h"
  27 #include "svg/svg-color.h"
  28 #include "desktop-style.h"
  29 #include "io/sys.h"
  30 #include "path-prefix.h"
  31 #include "swatches.h"
  32 #include "sp-item.h"
  33 #include "prefs-utils.h"
  34
  35 #include "eek-preview.h"
  36
  37 namespace Inkscape {
  38 namespace UI {
  39 namespace Dialogs {
  40
  41 SwatchesPanel* SwatchesPanel::instance = 0;
  42
  43
  44 ColorItem::ColorItem( unsigned int r, unsigned int g, unsigned int b, Glib::ustring& name ) :
  45     def( r, g, b, name ),
  46     _isLive(false),
  47     _linkIsTone(false),
  48     _linkPercent(0),
  49     _linkGray(0),
  50     _linkSrc(0)
  51 {
  52 }
  53
  54 ColorItem::~ColorItem()
  55 {
  56 }
  57
  58 ColorItem::ColorItem(ColorItem const &other) :
  59     Inkscape::UI::Previewable()
  60 {
  61     if ( this != &other ) {
  62         *this = other;
  63     }
  64 }
  65
  66 ColorItem &ColorItem::operator=(ColorItem const &other)
  67 {
  68     if ( this != &other ) {
  69         def = other.def;
  70
  71         // TODO - correct linkage
  72         _linkSrc = other._linkSrc;
  73         g_message("Erk!");
  74     }
  75     return *this;
  76 }
  77
  78
  79 class JustForNow
  80 {
  81 public:
  82     JustForNow() : _prefWidth(0) {}
  83
  84     Glib::ustring _name;
  85     int _prefWidth;
  86     std::vector<ColorItem*> _colors;
  87 };
  88
  89 static std::vector<JustForNow*> possible;
  90
  91
  92
  93 typedef enum {
  94     APP_X_INKY_COLOR_ID = 0,
  95     APP_X_INKY_COLOR = 0,
  96     APP_X_COLOR,
  97     TEXT_DATA
  98 } colorFlavorType;
  99
 100 static const GtkTargetEntry sourceColorEntries[] = {
 101 #if ENABLE_MAGIC_COLORS
 102 //    {"application/x-inkscape-color-id", GTK_TARGET_SAME_APP, APP_X_INKY_COLOR_ID},
 103     {"application/x-inkscape-color", 0, APP_X_INKY_COLOR},
 104 #endif // ENABLE_MAGIC_COLORS
 105     {"application/x-color", 0, APP_X_COLOR},
 106     {"text/plain", 0, TEXT_DATA},
 107 };
 108
 109 void ColorItem::_dragGetColorData( GtkWidget *widget,
 110                                    GdkDragContext *drag_context,
 111                                    GtkSelectionData *data,
 112                                    guint info,
 113                                    guint time,
 114                                    gpointer user_data)
 115 {
 116     static GdkAtom typeXColor = gdk_atom_intern("application/x-color", FALSE);
 117     static GdkAtom typeText = gdk_atom_intern("text/plain", FALSE);
 118
 119     ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
 120     if ( info == TEXT_DATA ) {
 121         gchar* tmp = g_strdup_printf("#%02x%02x%02x", item->def.getR(), item->def.getG(), item->def.getB() );
 122
 123         gtk_selection_data_set( data,
 124                                 typeText,
 125                                 8, // format
 126                                 (guchar*)tmp,
 127                                 strlen((const char*)tmp) + 1);
 128         g_free(tmp);
 129         tmp = 0;
 130     } else if ( info == APP_X_INKY_COLOR ) {
 131         Glib::ustring paletteName;
 132
 133         // Find where this thing came from
 134         bool found = false;
 135         int index = 0;
 136         for ( std::vector<JustForNow*>::iterator it = possible.begin(); it != possible.end() && !found; ++it ) {
 137             JustForNow* curr = *it;
 138             index = 0;
 139             for ( std::vector<ColorItem*>::iterator zz = curr->_colors.begin(); zz != curr->_colors.end(); ++zz ) {
 140                 if ( item == *zz ) {
 141                     found = true;
 142                     paletteName = curr->_name;
 143                     break;
 144                 } else {
 145                     index++;
 146                 }
 147             }
 148         }
 149
 150 //         if ( found ) {
 151 //             g_message("Found the color at entry %d in palette '%s'", index, paletteName.c_str() );
 152 //         } else {
 153 //             g_message("Unable to find the color");
 154 //         }
 155         int itemCount = 4 + 2 + 1 + paletteName.length();
 156
 157         guint16* tmp = new guint16[itemCount];
 158         tmp[0] = (item->def.getR() << 8) | item->def.getR();
 159         tmp[1] = (item->def.getG() << 8) | item->def.getG();
 160         tmp[2] = (item->def.getB() << 8) | item->def.getB();
 161         tmp[3] = 0xffff;
 162         tmp[4] = (item->_isLive || !item->_listeners.empty() || (item->_linkSrc != 0) ) ? 1 : 0;
 163
 164         tmp[5] = index;
 165         tmp[6] = paletteName.length();
 166         for ( unsigned int i = 0; i < paletteName.length(); i++ ) {
 167             tmp[7 + i] = paletteName[i];
 168         }
 169         gtk_selection_data_set( data,
 170                                 typeXColor,
 171                                 16, // format
 172                                 reinterpret_cast<const guchar*>(tmp),
 173                                 itemCount * 2);
 174         delete[] tmp;
 175     } else {
 176         guint16 tmp[4];
 177         tmp[0] = (item->def.getR() << 8) | item->def.getR();
 178         tmp[1] = (item->def.getG() << 8) | item->def.getG();
 179         tmp[2] = (item->def.getB() << 8) | item->def.getB();
 180         tmp[3] = 0xffff;
 181         gtk_selection_data_set( data,
 182                                 typeXColor,
 183                                 16, // format
 184                                 reinterpret_cast<const guchar*>(tmp),
 185                                 (3+1) * 2);
 186     }
 187 }
 188
 189 static void dragBegin( GtkWidget *widget, GdkDragContext* dc, gpointer data )
 190 {
 191     ColorItem* item = reinterpret_cast<ColorItem*>(data);
 192     if ( item )
 193     {
 194         Glib::RefPtr<Gdk::Pixbuf> thumb = Gdk::Pixbuf::create( Gdk::COLORSPACE_RGB, false, 8, 32, 24 );
 195         guint32 fillWith = (0xff000000 & (item->def.getR() << 24))
 196                          | (0x00ff0000 & (item->def.getG() << 16))
 197                          | (0x0000ff00 & (item->def.getB() <<  8));
 198         thumb->fill( fillWith );
 199         gtk_drag_set_icon_pixbuf( dc, thumb->gobj(), 0, 0 );
 200     }
 201
 202 }
 203
 204 //"drag-drop"
 205 // gboolean dragDropColorData( GtkWidget *widget,
 206 //                             GdkDragContext *drag_context,
 207 //                             gint x,
 208 //                             gint y,
 209 //                             guint time,
 210 //                             gpointer user_data)
 211 // {
 212 // // TODO finish
 213
 214 //     return TRUE;
 215 // }
 216
 217 static void bouncy( GtkWidget* widget, gpointer callback_data ) {
 218     ColorItem* item = reinterpret_cast<ColorItem*>(callback_data);
 219     if ( item ) {
 220         item->buttonClicked(false);
 221     }
 222 }
 223
 224 static void bouncy2( GtkWidget* widget, gint arg1, gpointer callback_data ) {
 225     ColorItem* item = reinterpret_cast<ColorItem*>(callback_data);
 226     if ( item ) {
 227         item->buttonClicked(true);
 228     }
 229 }
 230
 231 static void dieDieDie( GtkObject *obj, gpointer user_data )
 232 {
 233     g_message("die die die %p  %p", obj, user_data );
 234 }
 235
 236 static const GtkTargetEntry destColorTargets[] = {
 237 #if ENABLE_MAGIC_COLORS
 238 //    {"application/x-inkscape-color-id", GTK_TARGET_SAME_APP, APP_X_INKY_COLOR_ID},
 239     {"application/x-inkscape-color", 0, APP_X_INKY_COLOR},
 240 #endif // ENABLE_MAGIC_COLORS
 241     {"application/x-color", 0, APP_X_COLOR},
 242 };
 243
 244 #include "color.h" // for SP_RGBA32_U_COMPOSE
 245
 246 void ColorItem::_dropDataIn( GtkWidget *widget,
 247                              GdkDragContext *drag_context,
 248                              gint x, gint y,
 249                              GtkSelectionData *data,
 250                              guint info,
 251                              guint event_time,
 252                              gpointer user_data)
 253 {
 254 //     g_message("    droppy droppy   %d", info);
 255      switch (info) {
 256          case APP_X_INKY_COLOR:
 257          {
 258              if ( data->length >= 8 ) {
 259                  // Careful about endian issues.
 260                  guint16* dataVals = (guint16*)data->data;
 261                  if ( user_data ) {
 262                      ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
 263                      if ( item->def.isEditable() ) {
 264                          // Shove on in the new value
 265                          item->def.setRGB( 0x0ff & (dataVals[0] >> 8), 0x0ff & (dataVals[1] >> 8), 0x0ff & (dataVals[2] >> 8) );
 266                      }
 267                  }
 268              }
 269              break;
 270          }
 271          case APP_X_COLOR:
 272          {
 273              if ( data->length == 8 ) {
 274                  // Careful about endian issues.
 275                  guint16* dataVals = (guint16*)data->data;
 276 //                  {
 277 //                      gchar c[64] = {0};
 278 //                      sp_svg_write_color( c, 64,
 279 //                                          SP_RGBA32_U_COMPOSE(
 280 //                                              0x0ff & (dataVals[0] >> 8),
 281 //                                              0x0ff & (dataVals[1] >> 8),
 282 //                                              0x0ff & (dataVals[2] >> 8),
 283 //                                              0xff // can't have transparency in the color itself
 284 //                                              //0x0ff & (data->data[3] >> 8),
 285 //                                              ));
 286 //                  }
 287                  if ( user_data ) {
 288                      ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
 289                      if ( item->def.isEditable() ) {
 290                          // Shove on in the new value
 291                          item->def.setRGB( 0x0ff & (dataVals[0] >> 8), 0x0ff & (dataVals[1] >> 8), 0x0ff & (dataVals[2] >> 8) );
 292                      }
 293                  }
 294              }
 295              break;
 296          }
 297          default:
 298              g_message("unknown drop type");
 299      }
 300
 301 }
 302
 303 static bool bruteForce( SPDocument* document, Inkscape::XML::Node* node, Glib::ustring const& match, int r, int g, int b )
 304 {
 305     bool changed = false;
 306
 307     if ( node ) {
 308         gchar const * val = node->attribute("inkscape:x-fill-tag");
 309         if ( val  && (match == val) ) {
 310             SPObject *obj = document->getObjectByRepr( node );
 311
 312             gchar c[64] = {0};
 313             sp_svg_write_color( c, 64, SP_RGBA32_U_COMPOSE( r, g, b, 0xff ) );
 314             SPCSSAttr *css = sp_repr_css_attr_new();
 315             sp_repr_css_set_property( css, "fill", c );
 316
 317             sp_desktop_apply_css_recursive( (SPItem*)obj, css, true );
 318             ((SPItem*)obj)->updateRepr();
 319
 320             changed = true;
 321         }
 322
 323         val = node->attribute("inkscape:x-stroke-tag");
 324         if ( val  && (match == val) ) {
 325             SPObject *obj = document->getObjectByRepr( node );
 326
 327             gchar c[64] = {0};
 328             sp_svg_write_color( c, 64, SP_RGBA32_U_COMPOSE( r, g, b, 0xff ) );
 329             SPCSSAttr *css = sp_repr_css_attr_new();
 330             sp_repr_css_set_property( css, "stroke", c );
 331
 332             sp_desktop_apply_css_recursive( (SPItem*)obj, css, true );
 333             ((SPItem*)obj)->updateRepr();
 334
 335             changed = true;
 336         }
 337
 338         Inkscape::XML::Node* first = node->firstChild();
 339         changed |= bruteForce( document, first, match, r, g, b );
 340
 341         changed |= bruteForce( document, node->next(), match, r, g, b );
 342     }
 343
 344     return changed;
 345 }
 346
 347 void ColorItem::_colorDefChanged(void* data)
 348 {
 349     ColorItem* item = reinterpret_cast<ColorItem*>(data);
 350     if ( item ) {
 351         for ( std::vector<Gtk::Widget*>::iterator it =  item->_previews.begin(); it != item->_previews.end(); ++it ) {
 352             Gtk::Widget* widget = *it;
 353             if ( IS_EEK_PREVIEW(widget->gobj()) ) {
 354                 EekPreview * preview = EEK_PREVIEW(widget->gobj());
 355                 eek_preview_set_color( preview,
 356                                        (item->def.getR() << 8) | item->def.getR(),
 357                                        (item->def.getG() << 8) | item->def.getG(),
 358                                        (item->def.getB() << 8) | item->def.getB() );
 359
 360                 eek_preview_set_linked( preview, (LinkType)((item->_linkSrc ? PREVIEW_LINK_IN:0)
 361                                                             | (item->_listeners.empty() ? 0:PREVIEW_LINK_OUT)
 362                                                             | (item->_isLive ? PREVIEW_LINK_OTHER:0)) );
 363
 364                 widget->queue_draw();
 365             }
 366         }
 367
 368         for ( std::vector<ColorItem*>::iterator it = item->_listeners.begin(); it != item->_listeners.end(); ++it ) {
 369             guint r = item->def.getR();
 370             guint g = item->def.getG();
 371             guint b = item->def.getB();
 372
 373             if ( (*it)->_linkIsTone ) {
 374                 r = ( ((*it)->_linkPercent * (*it)->_linkGray) + ((100 - (*it)->_linkPercent) * r) ) / 100;
 375                 g = ( ((*it)->_linkPercent * (*it)->_linkGray) + ((100 - (*it)->_linkPercent) * g) ) / 100;
 376                 b = ( ((*it)->_linkPercent * (*it)->_linkGray) + ((100 - (*it)->_linkPercent) * b) ) / 100;
 377             } else {
 378                 r = ( ((*it)->_linkPercent * 255) + ((100 - (*it)->_linkPercent) * r) ) / 100;
 379                 g = ( ((*it)->_linkPercent * 255) + ((100 - (*it)->_linkPercent) * g) ) / 100;
 380                 b = ( ((*it)->_linkPercent * 255) + ((100 - (*it)->_linkPercent) * b) ) / 100;
 381             }
 382
 383             (*it)->def.setRGB( r, g, b );
 384         }
 385
 386
 387         // Look for objects using this color
 388         {
 389             SPDesktop *desktop = SP_ACTIVE_DESKTOP;
 390             if ( desktop ) {
 391                 SPDocument* document = sp_desktop_document( desktop );
 392                 Inkscape::XML::Node *rroot =  sp_document_repr_root( document );
 393                 if ( rroot ) {
 394
 395                     // Find where this thing came from
 396                     Glib::ustring paletteName;
 397                     bool found = false;
 398                     int index = 0;
 399                     for ( std::vector<JustForNow*>::iterator it2 = possible.begin(); it2 != possible.end() && !found; ++it2 ) {
 400                         JustForNow* curr = *it2;
 401                         index = 0;
 402                         for ( std::vector<ColorItem*>::iterator zz = curr->_colors.begin(); zz != curr->_colors.end(); ++zz ) {
 403                             if ( item == *zz ) {
 404                                 found = true;
 405                                 paletteName = curr->_name;
 406                                 break;
 407                             } else {
 408                                 index++;
 409                             }
 410                         }
 411                     }
 412
 413                     if ( !paletteName.empty() ) {
 414                         gchar* str = g_strdup_printf("%d|", index);
 415                         paletteName.insert( 0, str );
 416                         g_free(str);
 417                         str = 0;
 418
 419                         if ( bruteForce( document, rroot, paletteName, item->def.getR(), item->def.getG(), item->def.getB() ) ) {
 420                             sp_document_done( document , SP_VERB_DIALOG_SWATCHES,
 421                                               _("Change color definition"));
 422                         }
 423                     }
 424                 }
 425             }
 426         }
 427     }
 428 }
 429
 430
 431 Gtk::Widget* ColorItem::getPreview(PreviewStyle style, ViewType view, Inkscape::IconSize size)
 432 {
 433     Gtk::Widget* widget = 0;
 434     if ( style == PREVIEW_STYLE_BLURB ) {
 435         Gtk::Label *lbl = new Gtk::Label(def.descr);
 436         lbl->set_alignment(Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER);
 437         widget = lbl;
 438     } else {
 439         Glib::ustring blank("          ");
 440         if ( size == Inkscape::ICON_SIZE_MENU || size == Inkscape::ICON_SIZE_DECORATION ) {
 441             blank = " ";
 442         }
 443
 444         GtkWidget* eekWidget = eek_preview_new();
 445         EekPreview * preview = EEK_PREVIEW(eekWidget);
 446         Gtk::Widget* newBlot = Glib::wrap(eekWidget);
 447
 448         eek_preview_set_color( preview, (def.getR() << 8) | def.getR(), (def.getG() << 8) | def.getG(), (def.getB() << 8) | def.getB());
 449
 450         eek_preview_set_details( preview, (::PreviewStyle)style, (::ViewType)view, (::GtkIconSize)size );
 451         eek_preview_set_linked( preview, (LinkType)((_linkSrc ? PREVIEW_LINK_IN:0)
 452                                                     | (_listeners.empty() ? 0:PREVIEW_LINK_OUT)
 453                                                     | (_isLive ? PREVIEW_LINK_OTHER:0)) );
 454
 455         def.addCallback( _colorDefChanged, this );
 456
 457         GValue val = {0, {{0}, {0}}};
 458         g_value_init( &val, G_TYPE_BOOLEAN );
 459         g_value_set_boolean( &val, FALSE );
 460         g_object_set_property( G_OBJECT(preview), "focus-on-click", &val );
 461
 462 /*
 463         Gtk::Button *btn = new Gtk::Button(blank);
 464         Gdk::Color color;
 465         color.set_rgb((_r << 8)|_r, (_g << 8)|_g, (_b << 8)|_b);
 466         btn->modify_bg(Gtk::STATE_NORMAL, color);
 467         btn->modify_bg(Gtk::STATE_ACTIVE, color);
 468         btn->modify_bg(Gtk::STATE_PRELIGHT, color);
 469         btn->modify_bg(Gtk::STATE_SELECTED, color);
 470
 471         Gtk::Widget* newBlot = btn;
 472 */
 473
 474         tips.set_tip((*newBlot), def.descr);
 475
 476 /*
 477         newBlot->signal_clicked().connect( sigc::mem_fun(*this, &ColorItem::buttonClicked) );
 478
 479         sigc::signal<void> type_signal_something;
 480 */
 481         g_signal_connect( G_OBJECT(newBlot->gobj()),
 482                           "clicked",
 483                           G_CALLBACK(bouncy),
 484                           this);
 485
 486         g_signal_connect( G_OBJECT(newBlot->gobj()),
 487                           "alt-clicked",
 488                           G_CALLBACK(bouncy2),
 489                           this);
 490
 491         gtk_drag_source_set( GTK_WIDGET(newBlot->gobj()),
 492                              GDK_BUTTON1_MASK,
 493                              sourceColorEntries,
 494                              G_N_ELEMENTS(sourceColorEntries),
 495                              GdkDragAction(GDK_ACTION_MOVE | GDK_ACTION_COPY) );
 496
 497         g_signal_connect( G_OBJECT(newBlot->gobj()),
 498                           "drag-data-get",
 499                           G_CALLBACK(ColorItem::_dragGetColorData),
 500                           this);
 501
 502         g_signal_connect( G_OBJECT(newBlot->gobj()),
 503                           "drag-begin",
 504                           G_CALLBACK(dragBegin),
 505                           this );
 506
 507 //         g_signal_connect( G_OBJECT(newBlot->gobj()),
 508 //                           "drag-drop",
 509 //                           G_CALLBACK(dragDropColorData),
 510 //                           this);
 511
 512         if ( def.isEditable() )
 513         {
 514             gtk_drag_dest_set( GTK_WIDGET(newBlot->gobj()),
 515                                GTK_DEST_DEFAULT_ALL,
 516                                destColorTargets,
 517                                G_N_ELEMENTS(destColorTargets),
 518                                GdkDragAction(GDK_ACTION_COPY | GDK_ACTION_MOVE) );
 519
 520
 521             g_signal_connect( G_OBJECT(newBlot->gobj()),
 522                               "drag-data-received",
 523                               G_CALLBACK(_dropDataIn),
 524                               this );
 525         }
 526
 527         g_signal_connect( G_OBJECT(newBlot->gobj()),
 528                           "destroy",
 529                           G_CALLBACK(dieDieDie),
 530                           this);
 531
 532
 533         widget = newBlot;
 534     }
 535
 536     _previews.push_back( widget );
 537
 538     return widget;
 539 }
 540
 541 void ColorItem::buttonClicked(bool secondary)
 542 {
 543     SPDesktop *desktop = SP_ACTIVE_DESKTOP;
 544     if (desktop) {
 545         char const * attrName = secondary ? "stroke" : "fill";
 546         guint32 rgba = (def.getR() << 24) | (def.getG() << 16) | (def.getB() << 8) | 0xff;
 547         gchar c[64];
 548         sp_svg_write_color(c, 64, rgba);
 549
 550         SPCSSAttr *css = sp_repr_css_attr_new();
 551         sp_repr_css_set_property( css, attrName, c );
 552         sp_desktop_set_style(desktop, css);
 553
 554         sp_repr_css_attr_unref(css);
 555         sp_document_done (sp_desktop_document (desktop), SP_VERB_DIALOG_SWATCHES,
 556                           secondary? _("Set stroke color from swatch") : _("Set fill color from swatch"));
 557     }
 558 }
 559
 560
 561
 562
 563 static char* trim( char* str ) {
 564     char* ret = str;
 565     while ( *str && (*str == ' ' || *str == '\t') ) {
 566         str++;
 567     }
 568     ret = str;
 569     while ( *str ) {
 570         str++;
 571     }
 572     str--;
 573     while ( str > ret && ( *str == ' ' || *str == '\t' ) || *str == '\r' || *str == '\n' ) {
 574         *str-- = 0;
 575     }
 576     return ret;
 577 }
 578
 579 void skipWhitespace( char*& str ) {
 580     while ( *str == ' ' || *str == '\t' ) {
 581         str++;
 582     }
 583 }
 584
 585 bool parseNum( char*& str, int& val ) {
 586     val = 0;
 587     while ( '0' <= *str && *str <= '9' ) {
 588         val = val * 10 + (*str - '0');
 589         str++;
 590     }
 591     bool retval = !(*str == 0 || *str == ' ' || *str == '\t' || *str == '\r' || *str == '\n');
 592     return retval;
 593 }
 594
 595
 596 static bool getBlock( std::string& dst, guchar ch, std::string const str )
 597 {
 598     bool good = false;
 599     std::string::size_type pos = str.find(ch);
 600     if ( pos != std::string::npos )
 601     {
 602         std::string::size_type pos2 = str.find( '(', pos );
 603         if ( pos2 != std::string::npos ) {
 604             std::string::size_type endPos = str.find( ')', pos2 );
 605             if ( endPos != std::string::npos ) {
 606                 dst = str.substr( pos2 + 1, (endPos - pos2 - 1) );
 607                 good = true;
 608             }
 609         }
 610     }
 611     return good;
 612 }
 613
 614 static bool popVal( guint64& numVal, std::string& str )
 615 {
 616     bool good = false;
 617     std::string::size_type endPos = str.find(',');
 618     if ( endPos == std::string::npos ) {
 619         endPos = str.length();
 620     }
 621
 622     if ( endPos != std::string::npos && endPos > 0 ) {
 623         std::string xxx = str.substr( 0, endPos );
 624         const gchar* ptr = xxx.c_str();
 625         gchar* endPtr = 0;
 626         numVal = g_ascii_strtoull( ptr, &endPtr, 10 );
 627         if ( (numVal == G_MAXUINT64) && (ERANGE == errno) ) {
 628             // overflow
 629         } else if ( (numVal == 0) && (endPtr == ptr) ) {
 630             // failed conversion
 631         } else {
 632             good = true;
 633             str.erase( 0, endPos + 1 );
 634         }
 635     }
 636
 637     return good;
 638 }
 639
 640 void ColorItem::_wireMagicColors( void* p )
 641 {
 642     JustForNow* onceMore = reinterpret_cast<JustForNow*>(p);
 643     if ( onceMore )
 644     {
 645         for ( std::vector<ColorItem*>::iterator it = onceMore->_colors.begin(); it != onceMore->_colors.end(); ++it )
 646         {
 647             std::string::size_type pos = (*it)->def.descr.find("*{");
 648             if ( pos != std::string::npos )
 649             {
 650                 std::string subby = (*it)->def.descr.substr( pos + 2 );
 651                 std::string::size_type endPos = subby.find("}*");
 652                 if ( endPos != std::string::npos )
 653                 {
 654                     subby.erase( endPos );
 655                     //g_message("FOUND MAGIC at '%s'", (*it)->def.descr.c_str());
 656                     //g_message("               '%s'", subby.c_str());
 657
 658                     if ( subby.find('E') != std::string::npos )
 659                     {
 660                         (*it)->def.setEditable( true );
 661                     }
 662
 663                     if ( subby.find('L') != std::string::npos )
 664                     {
 665                         (*it)->_isLive = true;
 666                     }
 667
 668                     std::string part;
 669                     // Tint. index + 1 more val.
 670                     if ( getBlock( part, 'T', subby ) ) {
 671                         guint64 colorIndex = 0;
 672                         if ( popVal( colorIndex, part ) ) {
 673                             guint64 percent = 0;
 674                             if ( popVal( percent, part ) ) {
 675                                 (*it)->_linkTint( *(onceMore->_colors[colorIndex]), percent );
 676                             }
 677                         }
 678                     }
 679
 680                     // Shade/tone. index + 1 or 2 more val.
 681                     if ( getBlock( part, 'S', subby ) ) {
 682                         guint64 colorIndex = 0;
 683                         if ( popVal( colorIndex, part ) ) {
 684                             guint64 percent = 0;
 685                             if ( popVal( percent, part ) ) {
 686                                 guint64 grayLevel = 0;
 687                                 if ( !popVal( grayLevel, part ) ) {
 688                                     grayLevel = 0;
 689                                 }
 690                                 (*it)->_linkTone( *(onceMore->_colors[colorIndex]), percent, grayLevel );
 691                             }
 692                         }
 693                     }
 694
 695                 }
 696             }
 697         }
 698     }
 699 }
 700
 701
 702 void ColorItem::_linkTint( ColorItem& other, int percent )
 703 {
 704     if ( !_linkSrc )
 705     {
 706         other._listeners.push_back(this);
 707         _linkIsTone = false;
 708         _linkPercent = percent;
 709         if ( _linkPercent > 100 )
 710             _linkPercent = 100;
 711         if ( _linkPercent < 0 )
 712             _linkPercent = 0;
 713         _linkGray = 0;
 714         _linkSrc = &other;
 715
 716         ColorItem::_colorDefChanged(&other);
 717     }
 718 }
 719
 720 void ColorItem::_linkTone( ColorItem& other, int percent, int grayLevel )
 721 {
 722     if ( !_linkSrc )
 723     {
 724         other._listeners.push_back(this);
 725         _linkIsTone = true;
 726         _linkPercent = percent;
 727         if ( _linkPercent > 100 )
 728             _linkPercent = 100;
 729         if ( _linkPercent < 0 )
 730             _linkPercent = 0;
 731         _linkGray = grayLevel;
 732         _linkSrc = &other;
 733
 734         ColorItem::_colorDefChanged(&other);
 735     }
 736 }
 737
 738
 739 void _loadPaletteFile( gchar const *filename )
 740 {
 741     char block[1024];
 742     FILE *f = Inkscape::IO::fopen_utf8name( filename, "r" );
 743     if ( f ) {
 744         char* result = fgets( block, sizeof(block), f );
 745         if ( result ) {
 746             if ( strncmp( "GIMP Palette", block, 12 ) == 0 ) {
 747                 bool inHeader = true;
 748                 bool hasErr = false;
 749
 750                 JustForNow *onceMore = new JustForNow();
 751
 752                 do {
 753                     result = fgets( block, sizeof(block), f );
 754                     block[sizeof(block) - 1] = 0;
 755                     if ( result ) {
 756                         if ( block[0] == '#' ) {
 757                             // ignore comment
 758                         } else {
 759                             char *ptr = block;
 760                             // very simple check for header versus entry
 761                             while ( *ptr == ' ' || *ptr == '\t' ) {
 762                                 ptr++;
 763                             }
 764                             if ( *ptr == 0 ) {
 765                                 // blank line. skip it.
 766                             } else if ( '0' <= *ptr && *ptr <= '9' ) {
 767                                 // should be an entry link
 768                                 inHeader = false;
 769                                 ptr = block;
 770                                 Glib::ustring name("");
 771                                 int r = 0;
 772                                 int g = 0;
 773                                 int b = 0;
 774                                 skipWhitespace(ptr);
 775                                 if ( *ptr ) {
 776                                     hasErr = parseNum(ptr, r);
 777                                     if ( !hasErr ) {
 778                                         skipWhitespace(ptr);
 779                                         hasErr = parseNum(ptr, g);
 780                                     }
 781                                     if ( !hasErr ) {
 782                                         skipWhitespace(ptr);
 783                                         hasErr = parseNum(ptr, b);
 784                                     }
 785                                     if ( !hasErr && *ptr ) {
 786                                         char* n = trim(ptr);
 787                                         if (n != NULL) {
 788                                             name = n;
 789                                         }
 790                                     }
 791                                     if ( !hasErr ) {
 792                                         // Add the entry now
 793                                         Glib::ustring nameStr(name);
 794                                         ColorItem* item = new ColorItem( r, g, b, nameStr );
 795                                         onceMore->_colors.push_back(item);
 796                                     }
 797                                 } else {
 798                                     hasErr = true;
 799                                 }
 800                             } else {
 801                                 if ( !inHeader ) {
 802                                     // Hmmm... probably bad. Not quite the format we want?
 803                                     hasErr = true;
 804                                 } else {
 805                                     char* sep = strchr(result, ':');
 806                                     if ( sep ) {
 807                                         *sep = 0;
 808                                         char* val = trim(sep + 1);
 809                                         char* name = trim(result);
 810                                         if ( *name ) {
 811                                             if ( strcmp( "Name", name ) == 0 )
 812                                             {
 813                                                 onceMore->_name = val;
 814                                             }
 815                                             else if ( strcmp( "Columns", name ) == 0 )
 816                                             {
 817                                                 gchar* endPtr = 0;
 818                                                 guint64 numVal = g_ascii_strtoull( val, &endPtr, 10 );
 819                                                 if ( (numVal == G_MAXUINT64) && (ERANGE == errno) ) {
 820                                                     // overflow
 821                                                 } else if ( (numVal == 0) && (endPtr == val) ) {
 822                                                     // failed conversion
 823                                                 } else {
 824                                                     onceMore->_prefWidth = numVal;
 825                                                 }
 826                                             }
 827                                         } else {
 828                                             // error
 829                                             hasErr = true;
 830                                         }
 831                                     } else {
 832                                         // error
 833                                         hasErr = true;
 834                                     }
 835                                 }
 836                             }
 837                         }
 838                     }
 839                 } while ( result && !hasErr );
 840                 if ( !hasErr ) {
 841                     possible.push_back(onceMore);
 842 #if ENABLE_MAGIC_COLORS
 843                     ColorItem::_wireMagicColors( onceMore );
 844 #endif // ENABLE_MAGIC_COLORS
 845                 } else {
 846                     delete onceMore;
 847                 }
 848             }
 849         }
 850
 851         fclose(f);
 852     }
 853 }
 854
 855 static void loadEmUp()
 856 {
 857     static bool beenHere = false;
 858     if ( !beenHere ) {
 859         beenHere = true;
 860
 861         std::list<gchar *> sources;
 862         sources.push_back( profile_path("palettes") );
 863         sources.push_back( g_strdup(INKSCAPE_PALETTESDIR) );
 864         sources.push_back( g_strdup(CREATE_PALETTESDIR) );
 865
 866         // Use this loop to iterate through a list of possible document locations.
 867         while (!sources.empty()) {
 868             gchar *dirname = sources.front();
 869
 870             if ( Inkscape::IO::file_test( dirname, (GFileTest)(G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR) ) ) {
 871                 GError *err = 0;
 872                 GDir *directory = g_dir_open(dirname, 0, &err);
 873                 if (!directory) {
 874                     gchar *safeDir = Inkscape::IO::sanitizeString(dirname);
 875                     g_warning(_("Palettes directory (%s) is unavailable."), safeDir);
 876                     g_free(safeDir);
 877                 } else {
 878                     gchar *filename = 0;
 879                     while ((filename = (gchar *)g_dir_read_name(directory)) != NULL) {
 880                         gchar* lower = g_ascii_strdown( filename, -1 );
 881 //                        if ( g_str_has_suffix(lower, ".gpl") ) {
 882                             gchar* full = g_build_filename(dirname, filename, NULL);
 883                             if ( !Inkscape::IO::file_test( full, (GFileTest)(G_FILE_TEST_IS_DIR ) ) ) {
 884                                 _loadPaletteFile(full);
 885                             }
 886                             g_free(full);
 887 //                      }
 888                         g_free(lower);
 889                     }
 890                     g_dir_close(directory);
 891                 }
 892             }
 893
 894             // toss the dirname
 895             g_free(dirname);
 896             sources.pop_front();
 897         }
 898     }
 899 }
 900
 901
 902
 903
 904
 905
 906
 907
 908
 909 SwatchesPanel& SwatchesPanel::getInstance()
 910 {
 911     if ( !instance ) {
 912         instance = new SwatchesPanel();
 913     }
 914
 915     return *instance;
 916 }
 917
 918
 919
 920 /**
 921  * Constructor
 922  */
 923 SwatchesPanel::SwatchesPanel(gchar const* prefsPath) :
 924     Inkscape::UI::Widget::Panel( Glib::ustring(), prefsPath, true ),
 925     _holder(0)
 926 {
 927     Gtk::RadioMenuItem* hotItem = 0;
 928     _holder = new PreviewHolder();
 929     loadEmUp();
 930
 931     if ( !possible.empty() ) {
 932         JustForNow* first = 0;
 933         gchar const* targetName = 0;
 934         if ( _prefs_path ) {
 935             targetName = prefs_get_string_attribute( _prefs_path, "palette" );
 936             if ( targetName ) {
 937                 for ( std::vector<JustForNow*>::iterator iter = possible.begin(); iter != possible.end(); ++iter ) {
 938                     if ( (*iter)->_name == targetName ) {
 939                         first = *iter;
 940                         break;
 941                     }
 942                 }
 943             }
 944         }
 945
 946         if ( !first ) {
 947             first = possible.front();
 948         }
 949
 950         if ( first->_prefWidth > 0 ) {
 951             _holder->setColumnPref( first->_prefWidth );
 952         }
 953         _holder->freezeUpdates();
 954         for ( std::vector<ColorItem*>::iterator it = first->_colors.begin(); it != first->_colors.end(); it++ ) {
 955             _holder->addPreview(*it);
 956         }
 957         _holder->thawUpdates();
 958
 959         Gtk::RadioMenuItem::Group groupOne;
 960         int i = 0;
 961         for ( std::vector<JustForNow*>::iterator it = possible.begin(); it != possible.end(); it++ ) {
 962             JustForNow* curr = *it;
 963             Gtk::RadioMenuItem* single = manage(new Gtk::RadioMenuItem(groupOne, curr->_name));
 964             if ( curr == first ) {
 965                 hotItem = single;
 966             }
 967             _regItem( single, 3, i );
 968             i++;
 969         }
 970
 971     }
 972
 973
 974     _getContents()->pack_start(*_holder, Gtk::PACK_EXPAND_WIDGET);
 975     _setTargetFillable(_holder);
 976
 977     show_all_children();
 978
 979     restorePanelPrefs();
 980     if ( hotItem ) {
 981         hotItem->set_active();
 982     }
 983 }
 984
 985 SwatchesPanel::~SwatchesPanel()
 986 {
 987 }
 988
 989 void SwatchesPanel::setOrientation( Gtk::AnchorType how )
 990 {
 991     // Must call the parent class or bad things might happen
 992     Inkscape::UI::Widget::Panel::setOrientation( how );
 993
 994     if ( _holder )
 995     {
 996         _holder->setOrientation( Gtk::ANCHOR_SOUTH );
 997     }
 998 }
 999
1000 void SwatchesPanel::_handleAction( int setId, int itemId )
1001 {
1002     switch( setId ) {
1003         case 3:
1004         {
1005             if ( itemId >= 0 && itemId < static_cast<int>(possible.size()) ) {
1006                 _holder->clear();
1007                 JustForNow* curr = possible[itemId];
1008
1009                 if ( _prefs_path ) {
1010                     prefs_set_string_attribute( _prefs_path, "palette", curr->_name.c_str() );
1011                 }
1012
1013                 if ( curr->_prefWidth > 0 ) {
1014                     _holder->setColumnPref( curr->_prefWidth );
1015                 }
1016                 _holder->freezeUpdates();
1017                 for ( std::vector<ColorItem*>::iterator it = curr->_colors.begin(); it != curr->_colors.end(); it++ ) {
1018                     _holder->addPreview(*it);
1019                 }
1020                 _holder->thawUpdates();
1021             }
1022         }
1023         break;
1024     }
1025 }
1026
1027 } //namespace Dialogs
1028 } //namespace UI
1029 } //namespace Inkscape
1030
1031
1032 /*
1033   Local Variables:
1034   mode:c++
1035   c-file-style:"stroustrup"
1036   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1037   indent-tabs-mode:nil
1038   fill-column:99
1039   End:
1040 */
1041 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :