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_LCMS
 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_LCMS
 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_LCMS
 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_LCMS
 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 );
 421                         }
 422                     }
 423                 }
 424             }
 425         }
 426     }
 427 }
 428
 429
 430 Gtk::Widget* ColorItem::getPreview(PreviewStyle style, ViewType view, Inkscape::IconSize size)
 431 {
 432     Gtk::Widget* widget = 0;
 433     if ( style == PREVIEW_STYLE_BLURB ) {
 434         Gtk::Label *lbl = new Gtk::Label(def.descr);
 435         lbl->set_alignment(Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER);
 436         widget = lbl;
 437     } else {
 438         Glib::ustring blank("          ");
 439         if ( size == Inkscape::ICON_SIZE_MENU || size == Inkscape::ICON_SIZE_DECORATION ) {
 440             blank = " ";
 441         }
 442
 443         GtkWidget* eekWidget = eek_preview_new();
 444         EekPreview * preview = EEK_PREVIEW(eekWidget);
 445         Gtk::Widget* newBlot = Glib::wrap(eekWidget);
 446
 447         eek_preview_set_color( preview, (def.getR() << 8) | def.getR(), (def.getG() << 8) | def.getG(), (def.getB() << 8) | def.getB());
 448
 449         eek_preview_set_details( preview, (::PreviewStyle)style, (::ViewType)view, (::GtkIconSize)size );
 450         eek_preview_set_linked( preview, (LinkType)((_linkSrc ? PREVIEW_LINK_IN:0)
 451                                                     | (_listeners.empty() ? 0:PREVIEW_LINK_OUT)
 452                                                     | (_isLive ? PREVIEW_LINK_OTHER:0)) );
 453
 454         def.addCallback( _colorDefChanged, this );
 455
 456         GValue val = {0, {{0}, {0}}};
 457         g_value_init( &val, G_TYPE_BOOLEAN );
 458         g_value_set_boolean( &val, FALSE );
 459         g_object_set_property( G_OBJECT(preview), "focus-on-click", &val );
 460
 461 /*
 462         Gtk::Button *btn = new Gtk::Button(blank);
 463         Gdk::Color color;
 464         color.set_rgb((_r << 8)|_r, (_g << 8)|_g, (_b << 8)|_b);
 465         btn->modify_bg(Gtk::STATE_NORMAL, color);
 466         btn->modify_bg(Gtk::STATE_ACTIVE, color);
 467         btn->modify_bg(Gtk::STATE_PRELIGHT, color);
 468         btn->modify_bg(Gtk::STATE_SELECTED, color);
 469
 470         Gtk::Widget* newBlot = btn;
 471 */
 472
 473         tips.set_tip((*newBlot), def.descr);
 474
 475 /*
 476         newBlot->signal_clicked().connect( sigc::mem_fun(*this, &ColorItem::buttonClicked) );
 477
 478         sigc::signal<void> type_signal_something;
 479 */
 480         g_signal_connect( G_OBJECT(newBlot->gobj()),
 481                           "clicked",
 482                           G_CALLBACK(bouncy),
 483                           this);
 484
 485         g_signal_connect( G_OBJECT(newBlot->gobj()),
 486                           "alt-clicked",
 487                           G_CALLBACK(bouncy2),
 488                           this);
 489
 490         gtk_drag_source_set( GTK_WIDGET(newBlot->gobj()),
 491                              GDK_BUTTON1_MASK,
 492                              sourceColorEntries,
 493                              G_N_ELEMENTS(sourceColorEntries),
 494                              GdkDragAction(GDK_ACTION_MOVE | GDK_ACTION_COPY) );
 495
 496         g_signal_connect( G_OBJECT(newBlot->gobj()),
 497                           "drag-data-get",
 498                           G_CALLBACK(ColorItem::_dragGetColorData),
 499                           this);
 500
 501         g_signal_connect( G_OBJECT(newBlot->gobj()),
 502                           "drag-begin",
 503                           G_CALLBACK(dragBegin),
 504                           this );
 505
 506 //         g_signal_connect( G_OBJECT(newBlot->gobj()),
 507 //                           "drag-drop",
 508 //                           G_CALLBACK(dragDropColorData),
 509 //                           this);
 510
 511         if ( def.isEditable() )
 512         {
 513             gtk_drag_dest_set( GTK_WIDGET(newBlot->gobj()),
 514                                GTK_DEST_DEFAULT_ALL,
 515                                destColorTargets,
 516                                G_N_ELEMENTS(destColorTargets),
 517                                GdkDragAction(GDK_ACTION_COPY | GDK_ACTION_MOVE) );
 518
 519
 520             g_signal_connect( G_OBJECT(newBlot->gobj()),
 521                               "drag-data-received",
 522                               G_CALLBACK(_dropDataIn),
 523                               this );
 524         }
 525
 526         g_signal_connect( G_OBJECT(newBlot->gobj()),
 527                           "destroy",
 528                           G_CALLBACK(dieDieDie),
 529                           this);
 530
 531
 532         widget = newBlot;
 533     }
 534
 535     _previews.push_back( widget );
 536
 537     return widget;
 538 }
 539
 540 void ColorItem::buttonClicked(bool secondary)
 541 {
 542     SPDesktop *desktop = SP_ACTIVE_DESKTOP;
 543     if (desktop) {
 544         char const * attrName = secondary ? "stroke" : "fill";
 545         guint32 rgba = (def.getR() << 24) | (def.getG() << 16) | (def.getB() << 8) | 0xff;
 546         gchar c[64];
 547         sp_svg_write_color(c, 64, rgba);
 548
 549         SPCSSAttr *css = sp_repr_css_attr_new();
 550         sp_repr_css_set_property( css, attrName, c );
 551         sp_desktop_set_style(desktop, css);
 552
 553         sp_repr_css_attr_unref(css);
 554         sp_document_done (sp_desktop_document (desktop));
 555     }
 556 }
 557
 558
 559
 560
 561 static char* trim( char* str ) {
 562     char* ret = str;
 563     while ( *str && (*str == ' ' || *str == '\t') ) {
 564         str++;
 565     }
 566     ret = str;
 567     while ( *str ) {
 568         str++;
 569     }
 570     str--;
 571     while ( str > ret && ( *str == ' ' || *str == '\t' ) || *str == '\r' || *str == '\n' ) {
 572         *str-- = 0;
 573     }
 574     return ret;
 575 }
 576
 577 void skipWhitespace( char*& str ) {
 578     while ( *str == ' ' || *str == '\t' ) {
 579         str++;
 580     }
 581 }
 582
 583 bool parseNum( char*& str, int& val ) {
 584     val = 0;
 585     while ( '0' <= *str && *str <= '9' ) {
 586         val = val * 10 + (*str - '0');
 587         str++;
 588     }
 589     bool retval = !(*str == 0 || *str == ' ' || *str == '\t' || *str == '\r' || *str == '\n');
 590     return retval;
 591 }
 592
 593
 594 static bool getBlock( std::string& dst, guchar ch, std::string const str )
 595 {
 596     bool good = false;
 597     size_t pos = str.find(ch);
 598     if ( pos != std::string::npos )
 599     {
 600         size_t pos2 = str.find( '(', pos );
 601         if ( pos2 != std::string::npos ) {
 602             size_t endPos = str.find( ')', pos2 );
 603             if ( endPos != std::string::npos ) {
 604                 dst = str.substr( pos2 + 1, (endPos - pos2 - 1) );
 605                 good = true;
 606             }
 607         }
 608     }
 609     return good;
 610 }
 611
 612 static bool popVal( guint64& numVal, std::string& str )
 613 {
 614     bool good = false;
 615     size_t endPos = str.find(',');
 616     if ( endPos == std::string::npos ) {
 617         endPos = str.length();
 618     }
 619
 620     if ( endPos != std::string::npos && endPos > 0 ) {
 621         std::string xxx = str.substr( 0, endPos );
 622         const gchar* ptr = xxx.c_str();
 623         gchar* endPtr = 0;
 624         numVal = g_ascii_strtoull( ptr, &endPtr, 10 );
 625         if ( (numVal == G_MAXUINT64) && (ERANGE == errno) ) {
 626             // overflow
 627         } else if ( (numVal == 0) && (endPtr == ptr) ) {
 628             // failed conversion
 629         } else {
 630             good = true;
 631             str.erase( 0, endPos + 1 );
 632         }
 633     }
 634
 635     return good;
 636 }
 637
 638 void ColorItem::_wireMagicColors( void* p )
 639 {
 640     JustForNow* onceMore = reinterpret_cast<JustForNow*>(p);
 641     if ( onceMore )
 642     {
 643         for ( std::vector<ColorItem*>::iterator it = onceMore->_colors.begin(); it != onceMore->_colors.end(); ++it )
 644         {
 645             size_t pos = (*it)->def.descr.find("*{");
 646             if ( pos != std::string::npos )
 647             {
 648                 std::string subby = (*it)->def.descr.substr( pos + 2 );
 649                 size_t endPos = subby.find("}*");
 650                 if ( endPos != std::string::npos )
 651                 {
 652                     subby.erase( endPos );
 653                     //g_message("FOUND MAGIC at '%s'", (*it)->def.descr.c_str());
 654                     //g_message("               '%s'", subby.c_str());
 655
 656                     if ( subby.find('E') != std::string::npos )
 657                     {
 658                         (*it)->def.setEditable( true );
 659                     }
 660
 661                     if ( subby.find('L') != std::string::npos )
 662                     {
 663                         (*it)->_isLive = true;
 664                     }
 665
 666                     std::string part;
 667                     // Tint. index + 1 more val.
 668                     if ( getBlock( part, 'T', subby ) ) {
 669                         guint64 colorIndex = 0;
 670                         if ( popVal( colorIndex, part ) ) {
 671                             guint64 percent = 0;
 672                             if ( popVal( percent, part ) ) {
 673                                 (*it)->_linkTint( *(onceMore->_colors[colorIndex]), percent );
 674                             }
 675                         }
 676                     }
 677
 678                     // Shade/tone. index + 1 or 2 more val.
 679                     if ( getBlock( part, 'S', subby ) ) {
 680                         guint64 colorIndex = 0;
 681                         if ( popVal( colorIndex, part ) ) {
 682                             guint64 percent = 0;
 683                             if ( popVal( percent, part ) ) {
 684                                 guint64 grayLevel = 0;
 685                                 if ( !popVal( grayLevel, part ) ) {
 686                                     grayLevel = 0;
 687                                 }
 688                                 (*it)->_linkTone( *(onceMore->_colors[colorIndex]), percent, grayLevel );
 689                             }
 690                         }
 691                     }
 692
 693                 }
 694             }
 695         }
 696     }
 697 }
 698
 699
 700 void ColorItem::_linkTint( ColorItem& other, int percent )
 701 {
 702     if ( !_linkSrc )
 703     {
 704         other._listeners.push_back(this);
 705         _linkIsTone = false;
 706         _linkPercent = percent;
 707         if ( _linkPercent > 100 )
 708             _linkPercent = 100;
 709         if ( _linkPercent < 0 )
 710             _linkPercent = 0;
 711         _linkGray = 0;
 712         _linkSrc = &other;
 713
 714         ColorItem::_colorDefChanged(&other);
 715     }
 716 }
 717
 718 void ColorItem::_linkTone( ColorItem& other, int percent, int grayLevel )
 719 {
 720     if ( !_linkSrc )
 721     {
 722         other._listeners.push_back(this);
 723         _linkIsTone = true;
 724         _linkPercent = percent;
 725         if ( _linkPercent > 100 )
 726             _linkPercent = 100;
 727         if ( _linkPercent < 0 )
 728             _linkPercent = 0;
 729         _linkGray = grayLevel;
 730         _linkSrc = &other;
 731
 732         ColorItem::_colorDefChanged(&other);
 733     }
 734 }
 735
 736
 737 void _loadPaletteFile( gchar const *filename )
 738 {
 739     char block[1024];
 740     FILE *f = Inkscape::IO::fopen_utf8name( filename, "r" );
 741     if ( f ) {
 742         char* result = fgets( block, sizeof(block), f );
 743         if ( result ) {
 744             if ( strncmp( "GIMP Palette", block, 12 ) == 0 ) {
 745                 bool inHeader = true;
 746                 bool hasErr = false;
 747
 748                 JustForNow *onceMore = new JustForNow();
 749
 750                 do {
 751                     result = fgets( block, sizeof(block), f );
 752                     block[sizeof(block) - 1] = 0;
 753                     if ( result ) {
 754                         if ( block[0] == '#' ) {
 755                             // ignore comment
 756                         } else {
 757                             char *ptr = block;
 758                             // very simple check for header versus entry
 759                             while ( *ptr == ' ' || *ptr == '\t' ) {
 760                                 ptr++;
 761                             }
 762                             if ( *ptr == 0 ) {
 763                                 // blank line. skip it.
 764                             } else if ( '0' <= *ptr && *ptr <= '9' ) {
 765                                 // should be an entry link
 766                                 inHeader = false;
 767                                 ptr = block;
 768                                 Glib::ustring name("");
 769                                 int r = 0;
 770                                 int g = 0;
 771                                 int b = 0;
 772                                 skipWhitespace(ptr);
 773                                 if ( *ptr ) {
 774                                     hasErr = parseNum(ptr, r);
 775                                     if ( !hasErr ) {
 776                                         skipWhitespace(ptr);
 777                                         hasErr = parseNum(ptr, g);
 778                                     }
 779                                     if ( !hasErr ) {
 780                                         skipWhitespace(ptr);
 781                                         hasErr = parseNum(ptr, b);
 782                                     }
 783                                     if ( !hasErr && *ptr ) {
 784                                         char* n = trim(ptr);
 785                                         if (n != NULL) {
 786                                             name = n;
 787                                         }
 788                                     }
 789                                     if ( !hasErr ) {
 790                                         // Add the entry now
 791                                         Glib::ustring nameStr(name);
 792                                         ColorItem* item = new ColorItem( r, g, b, nameStr );
 793                                         onceMore->_colors.push_back(item);
 794                                     }
 795                                 } else {
 796                                     hasErr = true;
 797                                 }
 798                             } else {
 799                                 if ( !inHeader ) {
 800                                     // Hmmm... probably bad. Not quite the format we want?
 801                                     hasErr = true;
 802                                 } else {
 803                                     char* sep = strchr(result, ':');
 804                                     if ( sep ) {
 805                                         *sep = 0;
 806                                         char* val = trim(sep + 1);
 807                                         char* name = trim(result);
 808                                         if ( *name ) {
 809                                             if ( strcmp( "Name", name ) == 0 )
 810                                             {
 811                                                 onceMore->_name = val;
 812                                             }
 813                                             else if ( strcmp( "Columns", name ) == 0 )
 814                                             {
 815                                                 gchar* endPtr = 0;
 816                                                 guint64 numVal = g_ascii_strtoull( val, &endPtr, 10 );
 817                                                 if ( (numVal == G_MAXUINT64) && (ERANGE == errno) ) {
 818                                                     // overflow
 819                                                 } else if ( (numVal == 0) && (endPtr == val) ) {
 820                                                     // failed conversion
 821                                                 } else {
 822                                                     onceMore->_prefWidth = numVal;
 823                                                 }
 824                                             }
 825                                         } else {
 826                                             // error
 827                                             hasErr = true;
 828                                         }
 829                                     } else {
 830                                         // error
 831                                         hasErr = true;
 832                                     }
 833                                 }
 834                             }
 835                         }
 836                     }
 837                 } while ( result && !hasErr );
 838                 if ( !hasErr ) {
 839                     possible.push_back(onceMore);
 840                     ColorItem::_wireMagicColors( onceMore );
 841                 } else {
 842                     delete onceMore;
 843                 }
 844             }
 845         }
 846
 847         fclose(f);
 848     }
 849 }
 850
 851 static void loadEmUp()
 852 {
 853     static bool beenHere = false;
 854     if ( !beenHere ) {
 855         beenHere = true;
 856
 857         std::list<gchar *> sources;
 858         sources.push_back( profile_path("palettes") );
 859         sources.push_back( g_strdup(INKSCAPE_PALETTESDIR) );
 860         sources.push_back( g_strdup(CREATE_PALETTESDIR) );
 861
 862         // Use this loop to iterate through a list of possible document locations.
 863         while (!sources.empty()) {
 864             gchar *dirname = sources.front();
 865
 866             if ( Inkscape::IO::file_test( dirname, (GFileTest)(G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR) ) ) {
 867                 GError *err = 0;
 868                 GDir *directory = g_dir_open(dirname, 0, &err);
 869                 if (!directory) {
 870                     gchar *safeDir = Inkscape::IO::sanitizeString(dirname);
 871                     g_warning(_("Palettes directory (%s) is unavailable."), safeDir);
 872                     g_free(safeDir);
 873                 } else {
 874                     gchar *filename = 0;
 875                     while ((filename = (gchar *)g_dir_read_name(directory)) != NULL) {
 876                         gchar* lower = g_ascii_strdown( filename, -1 );
 877 //                        if ( g_str_has_suffix(lower, ".gpl") ) {
 878                             gchar* full = g_build_filename(dirname, filename, NULL);
 879                             if ( !Inkscape::IO::file_test( full, (GFileTest)(G_FILE_TEST_IS_DIR ) ) ) {
 880                                 _loadPaletteFile(full);
 881                             }
 882                             g_free(full);
 883 //                      }
 884                         g_free(lower);
 885                     }
 886                     g_dir_close(directory);
 887                 }
 888             }
 889
 890             // toss the dirname
 891             g_free(dirname);
 892             sources.pop_front();
 893         }
 894     }
 895 }
 896
 897
 898
 899
 900
 901
 902
 903
 904
 905 SwatchesPanel& SwatchesPanel::getInstance()
 906 {
 907     if ( !instance ) {
 908         instance = new SwatchesPanel();
 909     }
 910
 911     return *instance;
 912 }
 913
 914
 915
 916 /**
 917  * Constructor
 918  */
 919 SwatchesPanel::SwatchesPanel(gchar const* prefsPath) :
 920     Inkscape::UI::Widget::Panel( Glib::ustring(), prefsPath, true ),
 921     _holder(0)
 922 {
 923     Gtk::RadioMenuItem* hotItem = 0;
 924     _holder = new PreviewHolder();
 925     loadEmUp();
 926
 927     if ( !possible.empty() ) {
 928         JustForNow* first = 0;
 929         gchar const* targetName = 0;
 930         if ( _prefs_path ) {
 931             targetName = prefs_get_string_attribute( _prefs_path, "palette" );
 932             if ( targetName ) {
 933                 for ( std::vector<JustForNow*>::iterator iter = possible.begin(); iter != possible.end(); ++iter ) {
 934                     if ( (*iter)->_name == targetName ) {
 935                         first = *iter;
 936                         break;
 937                     }
 938                 }
 939             }
 940         }
 941
 942         if ( !first ) {
 943             first = possible.front();
 944         }
 945
 946         if ( first->_prefWidth > 0 ) {
 947             _holder->setColumnPref( first->_prefWidth );
 948         }
 949         _holder->freezeUpdates();
 950         for ( std::vector<ColorItem*>::iterator it = first->_colors.begin(); it != first->_colors.end(); it++ ) {
 951             _holder->addPreview(*it);
 952         }
 953         _holder->thawUpdates();
 954
 955         Gtk::RadioMenuItem::Group groupOne;
 956         int i = 0;
 957         for ( std::vector<JustForNow*>::iterator it = possible.begin(); it != possible.end(); it++ ) {
 958             JustForNow* curr = *it;
 959             Gtk::RadioMenuItem* single = manage(new Gtk::RadioMenuItem(groupOne, curr->_name));
 960             if ( curr == first ) {
 961                 hotItem = single;
 962             }
 963             _regItem( single, 3, i );
 964             i++;
 965         }
 966
 967     }
 968
 969
 970     _getContents()->pack_start(*_holder, Gtk::PACK_EXPAND_WIDGET);
 971     _setTargetFillable(_holder);
 972
 973     show_all_children();
 974
 975     restorePanelPrefs();
 976     if ( hotItem ) {
 977         hotItem->set_active();
 978     }
 979 }
 980
 981 SwatchesPanel::~SwatchesPanel()
 982 {
 983 }
 984
 985 void SwatchesPanel::setOrientation( Gtk::AnchorType how )
 986 {
 987     // Must call the parent class or bad things might happen
 988     Inkscape::UI::Widget::Panel::setOrientation( how );
 989
 990     if ( _holder )
 991     {
 992         _holder->setOrientation( Gtk::ANCHOR_SOUTH );
 993     }
 994 }
 995
 996 void SwatchesPanel::_handleAction( int setId, int itemId )
 997 {
 998     switch( setId ) {
 999         case 3:
1000         {
1001             if ( itemId >= 0 && itemId < static_cast<int>(possible.size()) ) {
1002                 _holder->clear();
1003                 JustForNow* curr = possible[itemId];
1004
1005                 if ( _prefs_path ) {
1006                     prefs_set_string_attribute( _prefs_path, "palette", curr->_name.c_str() );
1007                 }
1008
1009                 if ( curr->_prefWidth > 0 ) {
1010                     _holder->setColumnPref( curr->_prefWidth );
1011                 }
1012                 _holder->freezeUpdates();
1013                 for ( std::vector<ColorItem*>::iterator it = curr->_colors.begin(); it != curr->_colors.end(); it++ ) {
1014                     _holder->addPreview(*it);
1015                 }
1016                 _holder->thawUpdates();
1017             }
1018         }
1019         break;
1020     }
1021 }
1022
1023 } //namespace Dialogs
1024 } //namespace UI
1025 } //namespace Inkscape
1026
1027
1028 /*
1029   Local Variables:
1030   mode:c++
1031   c-file-style:"stroustrup"
1032   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1033   indent-tabs-mode:nil
1034   fill-column:99
1035   End:
1036 */
1037 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :