src/dialogs/swatches.cpp

   1 /*
   2  * A simple panel for color swatches
   3  *
   4  * Authors:
   5  *   Jon A. Cruz
   6  *   John Bintz
   7  *
   8  * Copyright (C) 2005 Jon A. Cruz
   9  * Copyright (C) 2008 John Bintz
  10  *
  11  * Released under GNU GPL, read the file 'COPYING' for more information
  12  */
  13 #ifdef HAVE_CONFIG_H
  14 # include <config.h>
  15 #endif
  16
  17 #include <errno.h>
  18
  19 #include <gtk/gtkdialog.h> //for GTK_RESPONSE* types
  20 #include <gtk/gtkdnd.h>
  21 #include <gtk/gtkmenu.h>
  22 #include <gtk/gtkmenuitem.h>
  23 #include <gtk/gtkseparatormenuitem.h>
  24
  25 #include <glibmm/i18n.h>
  26 #include <gdkmm/pixbuf.h>
  27 #include "inkscape.h"
  28 #include "desktop.h"
  29 #include "message-stack.h"
  30 #include "document.h"
  31 #include "desktop-handles.h"
  32 #include "extension/db.h"
  33 #include "inkscape.h"
  34 #include "svg/svg-color.h"
  35 #include "desktop-style.h"
  36 #include "io/sys.h"
  37 #include "path-prefix.h"
  38 #include "swatches.h"
  39 #include "sp-item.h"
  40 #include "prefs-utils.h"
  41
  42 #include "eek-preview.h"
  43
  44 namespace Inkscape {
  45 namespace UI {
  46 namespace Dialogs {
  47
  48
  49 ColorItem::ColorItem( unsigned int r, unsigned int g, unsigned int b, Glib::ustring& name ) :
  50     def( r, g, b, name ),
  51     _isLive(false),
  52     _linkIsTone(false),
  53     _linkPercent(0),
  54     _linkGray(0),
  55     _linkSrc(0)
  56 {
  57 }
  58
  59 ColorItem::~ColorItem()
  60 {
  61 }
  62
  63 ColorItem::ColorItem(ColorItem const &other) :
  64     Inkscape::UI::Previewable()
  65 {
  66     if ( this != &other ) {
  67         *this = other;
  68     }
  69 }
  70
  71 ColorItem &ColorItem::operator=(ColorItem const &other)
  72 {
  73     if ( this != &other ) {
  74         def = other.def;
  75
  76         // TODO - correct linkage
  77         _linkSrc = other._linkSrc;
  78         g_message("Erk!");
  79     }
  80     return *this;
  81 }
  82
  83
  84 class JustForNow
  85 {
  86 public:
  87     JustForNow() : _prefWidth(0) {}
  88
  89     Glib::ustring _name;
  90     int _prefWidth;
  91     std::vector<ColorItem*> _colors;
  92 };
  93
  94 static std::vector<JustForNow*> possible;
  95
  96
  97
  98 typedef enum {
  99     APP_X_INKY_COLOR_ID = 0,
 100     APP_X_INKY_COLOR = 0,
 101     APP_X_COLOR,
 102     TEXT_DATA
 103 } colorFlavorType;
 104
 105 static const GtkTargetEntry sourceColorEntries[] = {
 106 #if ENABLE_MAGIC_COLORS
 107 //    {"application/x-inkscape-color-id", GTK_TARGET_SAME_APP, APP_X_INKY_COLOR_ID},
 108     {"application/x-inkscape-color", 0, APP_X_INKY_COLOR},
 109 #endif // ENABLE_MAGIC_COLORS
 110     {"application/x-color", 0, APP_X_COLOR},
 111     {"text/plain", 0, TEXT_DATA},
 112 };
 113
 114 void ColorItem::_dragGetColorData( GtkWidget *widget,
 115                                    GdkDragContext *drag_context,
 116                                    GtkSelectionData *data,
 117                                    guint info,
 118                                    guint time,
 119                                    gpointer user_data)
 120 {
 121     (void)widget;
 122     (void)drag_context;
 123     (void)time;
 124     static GdkAtom typeXColor = gdk_atom_intern("application/x-color", FALSE);
 125     static GdkAtom typeText = gdk_atom_intern("text/plain", FALSE);
 126
 127     ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
 128     if ( info == TEXT_DATA ) {
 129         gchar* tmp = g_strdup_printf("#%02x%02x%02x", item->def.getR(), item->def.getG(), item->def.getB() );
 130
 131         gtk_selection_data_set( data,
 132                                 typeText,
 133                                 8, // format
 134                                 (guchar*)tmp,
 135                                 strlen((const char*)tmp) + 1);
 136         g_free(tmp);
 137         tmp = 0;
 138     } else if ( info == APP_X_INKY_COLOR ) {
 139         Glib::ustring paletteName;
 140
 141         // Find where this thing came from
 142         bool found = false;
 143         int index = 0;
 144         for ( std::vector<JustForNow*>::iterator it = possible.begin(); it != possible.end() && !found; ++it ) {
 145             JustForNow* curr = *it;
 146             index = 0;
 147             for ( std::vector<ColorItem*>::iterator zz = curr->_colors.begin(); zz != curr->_colors.end(); ++zz ) {
 148                 if ( item == *zz ) {
 149                     found = true;
 150                     paletteName = curr->_name;
 151                     break;
 152                 } else {
 153                     index++;
 154                 }
 155             }
 156         }
 157
 158 //         if ( found ) {
 159 //             g_message("Found the color at entry %d in palette '%s'", index, paletteName.c_str() );
 160 //         } else {
 161 //             g_message("Unable to find the color");
 162 //         }
 163         int itemCount = 4 + 2 + 1 + paletteName.length();
 164
 165         guint16* tmp = new guint16[itemCount];
 166         tmp[0] = (item->def.getR() << 8) | item->def.getR();
 167         tmp[1] = (item->def.getG() << 8) | item->def.getG();
 168         tmp[2] = (item->def.getB() << 8) | item->def.getB();
 169         tmp[3] = 0xffff;
 170         tmp[4] = (item->_isLive || !item->_listeners.empty() || (item->_linkSrc != 0) ) ? 1 : 0;
 171
 172         tmp[5] = index;
 173         tmp[6] = paletteName.length();
 174         for ( unsigned int i = 0; i < paletteName.length(); i++ ) {
 175             tmp[7 + i] = paletteName[i];
 176         }
 177         gtk_selection_data_set( data,
 178                                 typeXColor,
 179                                 16, // format
 180                                 reinterpret_cast<const guchar*>(tmp),
 181                                 itemCount * 2);
 182         delete[] tmp;
 183     } else {
 184         guint16 tmp[4];
 185         tmp[0] = (item->def.getR() << 8) | item->def.getR();
 186         tmp[1] = (item->def.getG() << 8) | item->def.getG();
 187         tmp[2] = (item->def.getB() << 8) | item->def.getB();
 188         tmp[3] = 0xffff;
 189         gtk_selection_data_set( data,
 190                                 typeXColor,
 191                                 16, // format
 192                                 reinterpret_cast<const guchar*>(tmp),
 193                                 (3+1) * 2);
 194     }
 195 }
 196
 197 static void dragBegin( GtkWidget *widget, GdkDragContext* dc, gpointer data )
 198 {
 199     (void)widget;
 200     ColorItem* item = reinterpret_cast<ColorItem*>(data);
 201     if ( item )
 202     {
 203         Glib::RefPtr<Gdk::Pixbuf> thumb = Gdk::Pixbuf::create( Gdk::COLORSPACE_RGB, false, 8, 32, 24 );
 204         guint32 fillWith = (0xff000000 & (item->def.getR() << 24))
 205                          | (0x00ff0000 & (item->def.getG() << 16))
 206                          | (0x0000ff00 & (item->def.getB() <<  8));
 207         thumb->fill( fillWith );
 208         gtk_drag_set_icon_pixbuf( dc, thumb->gobj(), 0, 0 );
 209     }
 210
 211 }
 212
 213 //"drag-drop"
 214 // gboolean dragDropColorData( GtkWidget *widget,
 215 //                             GdkDragContext *drag_context,
 216 //                             gint x,
 217 //                             gint y,
 218 //                             guint time,
 219 //                             gpointer user_data)
 220 // {
 221 // // TODO finish
 222
 223 //     return TRUE;
 224 // }
 225
 226 static void handleClick( GtkWidget* widget, gpointer callback_data ) {
 227     (void)widget;
 228     ColorItem* item = reinterpret_cast<ColorItem*>(callback_data);
 229     if ( item ) {
 230         item->buttonClicked(false);
 231     }
 232 }
 233
 234 static void handleSecondaryClick( GtkWidget* widget, gint arg1, gpointer callback_data ) {
 235     (void)widget;
 236     (void)arg1;
 237     ColorItem* item = reinterpret_cast<ColorItem*>(callback_data);
 238     if ( item ) {
 239         item->buttonClicked(true);
 240     }
 241 }
 242
 243 static void handleEnterNotify( GtkWidget* widget, GdkEventCrossing* event, gpointer callback_data ) {
 244     ColorItem* item = reinterpret_cast<ColorItem*>(callback_data);
 245     if ( item ) {
 246         SPDesktop *desktop = SP_ACTIVE_DESKTOP;
 247         if ( desktop ) {
 248             desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, g_strconcat(
 249               _("Swatch info: <b>"),
 250               item->def.descr.c_str(),
 251               _("</b>"),
 252               NULL
 253             ));
 254         }
 255     }
 256 }
 257
 258 static GtkWidget* popupMenu = 0;
 259 static ColorItem* bounceTarget = 0;
 260
 261 static void redirClick( GtkMenuItem *menuitem, gpointer user_data )
 262 {
 263     (void)user_data;
 264     if ( bounceTarget ) {
 265         handleClick( GTK_WIDGET(menuitem), bounceTarget );
 266     }
 267 }
 268
 269 static void redirSecondaryClick( GtkMenuItem *menuitem, gpointer user_data )
 270 {
 271     (void)user_data;
 272     if ( bounceTarget ) {
 273         handleSecondaryClick( GTK_WIDGET(menuitem), 0, bounceTarget );
 274     }
 275 }
 276
 277 static gboolean handleButtonPress( GtkWidget* widget, GdkEventButton* event, gpointer user_data)
 278 {
 279     (void)widget;
 280     gboolean handled = FALSE;
 281
 282     if ( (event->button == 3) && (event->type == GDK_BUTTON_PRESS) ) {
 283         if ( !popupMenu ) {
 284             popupMenu = gtk_menu_new();
 285             GtkWidget* child = 0;
 286
 287             //TRANSLATORS: An item in context menu on a colour in the swatches
 288             child = gtk_menu_item_new_with_label(_("Set fill"));
 289             g_signal_connect( G_OBJECT(child),
 290                               "activate",
 291                               G_CALLBACK(redirClick),
 292                               user_data);
 293             gtk_menu_shell_append(GTK_MENU_SHELL(popupMenu), child);
 294
 295             //TRANSLATORS: An item in context menu on a colour in the swatches
 296             child = gtk_menu_item_new_with_label(_("Set stroke"));
 297
 298             g_signal_connect( G_OBJECT(child),
 299                               "activate",
 300                               G_CALLBACK(redirSecondaryClick),
 301                               user_data);
 302             gtk_menu_shell_append(GTK_MENU_SHELL(popupMenu), child);
 303
 304             gtk_widget_show_all(popupMenu);
 305         }
 306
 307         ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
 308         if ( item ) {
 309             bounceTarget = item;
 310             if ( popupMenu ) {
 311                 gtk_menu_popup(GTK_MENU(popupMenu), NULL, NULL, NULL, NULL, event->button, event->time);
 312                 handled = TRUE;
 313             }
 314         }
 315     }
 316
 317     return handled;
 318 }
 319
 320 static void dieDieDie( GtkObject *obj, gpointer user_data )
 321 {
 322     g_message("die die die %p  %p", obj, user_data );
 323 }
 324
 325 static const GtkTargetEntry destColorTargets[] = {
 326 #if ENABLE_MAGIC_COLORS
 327 //    {"application/x-inkscape-color-id", GTK_TARGET_SAME_APP, APP_X_INKY_COLOR_ID},
 328     {"application/x-inkscape-color", 0, APP_X_INKY_COLOR},
 329 #endif // ENABLE_MAGIC_COLORS
 330     {"application/x-color", 0, APP_X_COLOR},
 331 };
 332
 333 #include "color.h" // for SP_RGBA32_U_COMPOSE
 334
 335 void ColorItem::_dropDataIn( GtkWidget *widget,
 336                              GdkDragContext *drag_context,
 337                              gint x, gint y,
 338                              GtkSelectionData *data,
 339                              guint info,
 340                              guint event_time,
 341                              gpointer user_data)
 342 {
 343     (void)widget;
 344     (void)drag_context;
 345     (void)x;
 346     (void)y;
 347     (void)event_time;
 348 //     g_message("    droppy droppy   %d", info);
 349      switch (info) {
 350          case APP_X_INKY_COLOR:
 351          {
 352              if ( data->length >= 8 ) {
 353                  // Careful about endian issues.
 354                  guint16* dataVals = (guint16*)data->data;
 355                  if ( user_data ) {
 356                      ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
 357                      if ( item->def.isEditable() ) {
 358                          // Shove on in the new value
 359                          item->def.setRGB( 0x0ff & (dataVals[0] >> 8), 0x0ff & (dataVals[1] >> 8), 0x0ff & (dataVals[2] >> 8) );
 360                      }
 361                  }
 362              }
 363              break;
 364          }
 365          case APP_X_COLOR:
 366          {
 367              if ( data->length == 8 ) {
 368                  // Careful about endian issues.
 369                  guint16* dataVals = (guint16*)data->data;
 370 //                  {
 371 //                      gchar c[64] = {0};
 372 //                      sp_svg_write_color( c, 64,
 373 //                                          SP_RGBA32_U_COMPOSE(
 374 //                                              0x0ff & (dataVals[0] >> 8),
 375 //                                              0x0ff & (dataVals[1] >> 8),
 376 //                                              0x0ff & (dataVals[2] >> 8),
 377 //                                              0xff // can't have transparency in the color itself
 378 //                                              //0x0ff & (data->data[3] >> 8),
 379 //                                              ));
 380 //                  }
 381                  if ( user_data ) {
 382                      ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
 383                      if ( item->def.isEditable() ) {
 384                          // Shove on in the new value
 385                          item->def.setRGB( 0x0ff & (dataVals[0] >> 8), 0x0ff & (dataVals[1] >> 8), 0x0ff & (dataVals[2] >> 8) );
 386                      }
 387                  }
 388              }
 389              break;
 390          }
 391          default:
 392              g_message("unknown drop type");
 393      }
 394
 395 }
 396
 397 static bool bruteForce( SPDocument* document, Inkscape::XML::Node* node, Glib::ustring const& match, int r, int g, int b )
 398 {
 399     bool changed = false;
 400
 401     if ( node ) {
 402         gchar const * val = node->attribute("inkscape:x-fill-tag");
 403         if ( val  && (match == val) ) {
 404             SPObject *obj = document->getObjectByRepr( node );
 405
 406             gchar c[64] = {0};
 407             sp_svg_write_color( c, sizeof(c), SP_RGBA32_U_COMPOSE( r, g, b, 0xff ) );
 408             SPCSSAttr *css = sp_repr_css_attr_new();
 409             sp_repr_css_set_property( css, "fill", c );
 410
 411             sp_desktop_apply_css_recursive( (SPItem*)obj, css, true );
 412             ((SPItem*)obj)->updateRepr();
 413
 414             changed = true;
 415         }
 416
 417         val = node->attribute("inkscape:x-stroke-tag");
 418         if ( val  && (match == val) ) {
 419             SPObject *obj = document->getObjectByRepr( node );
 420
 421             gchar c[64] = {0};
 422             sp_svg_write_color( c, sizeof(c), SP_RGBA32_U_COMPOSE( r, g, b, 0xff ) );
 423             SPCSSAttr *css = sp_repr_css_attr_new();
 424             sp_repr_css_set_property( css, "stroke", c );
 425
 426             sp_desktop_apply_css_recursive( (SPItem*)obj, css, true );
 427             ((SPItem*)obj)->updateRepr();
 428
 429             changed = true;
 430         }
 431
 432         Inkscape::XML::Node* first = node->firstChild();
 433         changed |= bruteForce( document, first, match, r, g, b );
 434
 435         changed |= bruteForce( document, node->next(), match, r, g, b );
 436     }
 437
 438     return changed;
 439 }
 440
 441 void ColorItem::_colorDefChanged(void* data)
 442 {
 443     ColorItem* item = reinterpret_cast<ColorItem*>(data);
 444     if ( item ) {
 445         for ( std::vector<Gtk::Widget*>::iterator it =  item->_previews.begin(); it != item->_previews.end(); ++it ) {
 446             Gtk::Widget* widget = *it;
 447             if ( IS_EEK_PREVIEW(widget->gobj()) ) {
 448                 EekPreview * preview = EEK_PREVIEW(widget->gobj());
 449                 eek_preview_set_color( preview,
 450                                        (item->def.getR() << 8) | item->def.getR(),
 451                                        (item->def.getG() << 8) | item->def.getG(),
 452                                        (item->def.getB() << 8) | item->def.getB() );
 453
 454                 eek_preview_set_linked( preview, (LinkType)((item->_linkSrc ? PREVIEW_LINK_IN:0)
 455                                                             | (item->_listeners.empty() ? 0:PREVIEW_LINK_OUT)
 456                                                             | (item->_isLive ? PREVIEW_LINK_OTHER:0)) );
 457
 458                 widget->queue_draw();
 459             }
 460         }
 461
 462         for ( std::vector<ColorItem*>::iterator it = item->_listeners.begin(); it != item->_listeners.end(); ++it ) {
 463             guint r = item->def.getR();
 464             guint g = item->def.getG();
 465             guint b = item->def.getB();
 466
 467             if ( (*it)->_linkIsTone ) {
 468                 r = ( ((*it)->_linkPercent * (*it)->_linkGray) + ((100 - (*it)->_linkPercent) * r) ) / 100;
 469                 g = ( ((*it)->_linkPercent * (*it)->_linkGray) + ((100 - (*it)->_linkPercent) * g) ) / 100;
 470                 b = ( ((*it)->_linkPercent * (*it)->_linkGray) + ((100 - (*it)->_linkPercent) * b) ) / 100;
 471             } else {
 472                 r = ( ((*it)->_linkPercent * 255) + ((100 - (*it)->_linkPercent) * r) ) / 100;
 473                 g = ( ((*it)->_linkPercent * 255) + ((100 - (*it)->_linkPercent) * g) ) / 100;
 474                 b = ( ((*it)->_linkPercent * 255) + ((100 - (*it)->_linkPercent) * b) ) / 100;
 475             }
 476
 477             (*it)->def.setRGB( r, g, b );
 478         }
 479
 480
 481         // Look for objects using this color
 482         {
 483             SPDesktop *desktop = SP_ACTIVE_DESKTOP;
 484             if ( desktop ) {
 485                 SPDocument* document = sp_desktop_document( desktop );
 486                 Inkscape::XML::Node *rroot =  sp_document_repr_root( document );
 487                 if ( rroot ) {
 488
 489                     // Find where this thing came from
 490                     Glib::ustring paletteName;
 491                     bool found = false;
 492                     int index = 0;
 493                     for ( std::vector<JustForNow*>::iterator it2 = possible.begin(); it2 != possible.end() && !found; ++it2 ) {
 494                         JustForNow* curr = *it2;
 495                         index = 0;
 496                         for ( std::vector<ColorItem*>::iterator zz = curr->_colors.begin(); zz != curr->_colors.end(); ++zz ) {
 497                             if ( item == *zz ) {
 498                                 found = true;
 499                                 paletteName = curr->_name;
 500                                 break;
 501                             } else {
 502                                 index++;
 503                             }
 504                         }
 505                     }
 506
 507                     if ( !paletteName.empty() ) {
 508                         gchar* str = g_strdup_printf("%d|", index);
 509                         paletteName.insert( 0, str );
 510                         g_free(str);
 511                         str = 0;
 512
 513                         if ( bruteForce( document, rroot, paletteName, item->def.getR(), item->def.getG(), item->def.getB() ) ) {
 514                             sp_document_done( document , SP_VERB_DIALOG_SWATCHES,
 515                                               _("Change color definition"));
 516                         }
 517                     }
 518                 }
 519             }
 520         }
 521     }
 522 }
 523
 524
 525 Gtk::Widget* ColorItem::getPreview(PreviewStyle style, ViewType view, ::PreviewSize size, guint ratio)
 526 {
 527     Gtk::Widget* widget = 0;
 528     if ( style == PREVIEW_STYLE_BLURB ) {
 529         Gtk::Label *lbl = new Gtk::Label(def.descr);
 530         lbl->set_alignment(Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER);
 531         widget = lbl;
 532     } else {
 533 //         Glib::ustring blank("          ");
 534 //         if ( size == Inkscape::ICON_SIZE_MENU || size == Inkscape::ICON_SIZE_DECORATION ) {
 535 //             blank = " ";
 536 //         }
 537
 538         GtkWidget* eekWidget = eek_preview_new();
 539         EekPreview * preview = EEK_PREVIEW(eekWidget);
 540         Gtk::Widget* newBlot = Glib::wrap(eekWidget);
 541
 542         eek_preview_set_color( preview, (def.getR() << 8) | def.getR(), (def.getG() << 8) | def.getG(), (def.getB() << 8) | def.getB());
 543
 544         eek_preview_set_details( preview, (::PreviewStyle)style, (::ViewType)view, (::PreviewSize)size, ratio );
 545         eek_preview_set_linked( preview, (LinkType)((_linkSrc ? PREVIEW_LINK_IN:0)
 546                                                     | (_listeners.empty() ? 0:PREVIEW_LINK_OUT)
 547                                                     | (_isLive ? PREVIEW_LINK_OTHER:0)) );
 548
 549         def.addCallback( _colorDefChanged, this );
 550
 551         GValue val = {0, {{0}, {0}}};
 552         g_value_init( &val, G_TYPE_BOOLEAN );
 553         g_value_set_boolean( &val, FALSE );
 554         g_object_set_property( G_OBJECT(preview), "focus-on-click", &val );
 555
 556 /*
 557         Gtk::Button *btn = new Gtk::Button(blank);
 558         Gdk::Color color;
 559         color.set_rgb((_r << 8)|_r, (_g << 8)|_g, (_b << 8)|_b);
 560         btn->modify_bg(Gtk::STATE_NORMAL, color);
 561         btn->modify_bg(Gtk::STATE_ACTIVE, color);
 562         btn->modify_bg(Gtk::STATE_PRELIGHT, color);
 563         btn->modify_bg(Gtk::STATE_SELECTED, color);
 564
 565         Gtk::Widget* newBlot = btn;
 566 */
 567
 568         tips.set_tip((*newBlot), def.descr);
 569
 570 /*
 571         newBlot->signal_clicked().connect( sigc::mem_fun(*this, &ColorItem::buttonClicked) );
 572
 573         sigc::signal<void> type_signal_something;
 574 */
 575
 576         g_signal_connect( G_OBJECT(newBlot->gobj()),
 577                           "clicked",
 578                           G_CALLBACK(handleClick),
 579                           this);
 580
 581         g_signal_connect( G_OBJECT(newBlot->gobj()),
 582                           "alt-clicked",
 583                           G_CALLBACK(handleSecondaryClick),
 584                           this);
 585
 586         g_signal_connect( G_OBJECT(newBlot->gobj()),
 587                           "button-press-event",
 588                           G_CALLBACK(handleButtonPress),
 589                           this);
 590
 591         gtk_drag_source_set( GTK_WIDGET(newBlot->gobj()),
 592                              GDK_BUTTON1_MASK,
 593                              sourceColorEntries,
 594                              G_N_ELEMENTS(sourceColorEntries),
 595                              GdkDragAction(GDK_ACTION_MOVE | GDK_ACTION_COPY) );
 596
 597         g_signal_connect( G_OBJECT(newBlot->gobj()),
 598                           "drag-data-get",
 599                           G_CALLBACK(ColorItem::_dragGetColorData),
 600                           this);
 601
 602         g_signal_connect( G_OBJECT(newBlot->gobj()),
 603                           "drag-begin",
 604                           G_CALLBACK(dragBegin),
 605                           this );
 606
 607         g_signal_connect( G_OBJECT(newBlot->gobj()),
 608                           "enter-notify-event",
 609                           G_CALLBACK(handleEnterNotify),
 610                           this);
 611
 612 //         g_signal_connect( G_OBJECT(newBlot->gobj()),
 613 //                           "drag-drop",
 614 //                           G_CALLBACK(dragDropColorData),
 615 //                           this);
 616
 617         if ( def.isEditable() )
 618         {
 619             gtk_drag_dest_set( GTK_WIDGET(newBlot->gobj()),
 620                                GTK_DEST_DEFAULT_ALL,
 621                                destColorTargets,
 622                                G_N_ELEMENTS(destColorTargets),
 623                                GdkDragAction(GDK_ACTION_COPY | GDK_ACTION_MOVE) );
 624
 625
 626             g_signal_connect( G_OBJECT(newBlot->gobj()),
 627                               "drag-data-received",
 628                               G_CALLBACK(_dropDataIn),
 629                               this );
 630         }
 631
 632         g_signal_connect( G_OBJECT(newBlot->gobj()),
 633                           "destroy",
 634                           G_CALLBACK(dieDieDie),
 635                           this);
 636
 637
 638         widget = newBlot;
 639     }
 640
 641     _previews.push_back( widget );
 642
 643     return widget;
 644 }
 645
 646 void ColorItem::buttonClicked(bool secondary)
 647 {
 648     SPDesktop *desktop = SP_ACTIVE_DESKTOP;
 649     if (desktop) {
 650         char const * attrName = secondary ? "stroke" : "fill";
 651         guint32 rgba = (def.getR() << 24) | (def.getG() << 16) | (def.getB() << 8) | 0xff;
 652         gchar c[64];
 653         sp_svg_write_color(c, sizeof(c), rgba);
 654
 655         SPCSSAttr *css = sp_repr_css_attr_new();
 656         sp_repr_css_set_property( css, attrName, c );
 657         sp_desktop_set_style(desktop, css);
 658
 659         sp_repr_css_attr_unref(css);
 660         sp_document_done (sp_desktop_document (desktop), SP_VERB_DIALOG_SWATCHES,
 661                           secondary? _("Set stroke color from swatch") : _("Set fill color from swatch"));
 662     }
 663 }
 664
 665
 666
 667
 668 static char* trim( char* str ) {
 669     char* ret = str;
 670     while ( *str && (*str == ' ' || *str == '\t') ) {
 671         str++;
 672     }
 673     ret = str;
 674     while ( *str ) {
 675         str++;
 676     }
 677     str--;
 678     while ( str > ret && ( *str == ' ' || *str == '\t' ) || *str == '\r' || *str == '\n' ) {
 679         *str-- = 0;
 680     }
 681     return ret;
 682 }
 683
 684 void skipWhitespace( char*& str ) {
 685     while ( *str == ' ' || *str == '\t' ) {
 686         str++;
 687     }
 688 }
 689
 690 bool parseNum( char*& str, int& val ) {
 691     val = 0;
 692     while ( '0' <= *str && *str <= '9' ) {
 693         val = val * 10 + (*str - '0');
 694         str++;
 695     }
 696     bool retval = !(*str == 0 || *str == ' ' || *str == '\t' || *str == '\r' || *str == '\n');
 697     return retval;
 698 }
 699
 700
 701 static bool getBlock( std::string& dst, guchar ch, std::string const str )
 702 {
 703     bool good = false;
 704     std::string::size_type pos = str.find(ch);
 705     if ( pos != std::string::npos )
 706     {
 707         std::string::size_type pos2 = str.find( '(', pos );
 708         if ( pos2 != std::string::npos ) {
 709             std::string::size_type endPos = str.find( ')', pos2 );
 710             if ( endPos != std::string::npos ) {
 711                 dst = str.substr( pos2 + 1, (endPos - pos2 - 1) );
 712                 good = true;
 713             }
 714         }
 715     }
 716     return good;
 717 }
 718
 719 static bool popVal( guint64& numVal, std::string& str )
 720 {
 721     bool good = false;
 722     std::string::size_type endPos = str.find(',');
 723     if ( endPos == std::string::npos ) {
 724         endPos = str.length();
 725     }
 726
 727     if ( endPos != std::string::npos && endPos > 0 ) {
 728         std::string xxx = str.substr( 0, endPos );
 729         const gchar* ptr = xxx.c_str();
 730         gchar* endPtr = 0;
 731         numVal = g_ascii_strtoull( ptr, &endPtr, 10 );
 732         if ( (numVal == G_MAXUINT64) && (ERANGE == errno) ) {
 733             // overflow
 734         } else if ( (numVal == 0) && (endPtr == ptr) ) {
 735             // failed conversion
 736         } else {
 737             good = true;
 738             str.erase( 0, endPos + 1 );
 739         }
 740     }
 741
 742     return good;
 743 }
 744
 745 void ColorItem::_wireMagicColors( void* p )
 746 {
 747     JustForNow* onceMore = reinterpret_cast<JustForNow*>(p);
 748     if ( onceMore )
 749     {
 750         for ( std::vector<ColorItem*>::iterator it = onceMore->_colors.begin(); it != onceMore->_colors.end(); ++it )
 751         {
 752             std::string::size_type pos = (*it)->def.descr.find("*{");
 753             if ( pos != std::string::npos )
 754             {
 755                 std::string subby = (*it)->def.descr.substr( pos + 2 );
 756                 std::string::size_type endPos = subby.find("}*");
 757                 if ( endPos != std::string::npos )
 758                 {
 759                     subby.erase( endPos );
 760                     //g_message("FOUND MAGIC at '%s'", (*it)->def.descr.c_str());
 761                     //g_message("               '%s'", subby.c_str());
 762
 763                     if ( subby.find('E') != std::string::npos )
 764                     {
 765                         (*it)->def.setEditable( true );
 766                     }
 767
 768                     if ( subby.find('L') != std::string::npos )
 769                     {
 770                         (*it)->_isLive = true;
 771                     }
 772
 773                     std::string part;
 774                     // Tint. index + 1 more val.
 775                     if ( getBlock( part, 'T', subby ) ) {
 776                         guint64 colorIndex = 0;
 777                         if ( popVal( colorIndex, part ) ) {
 778                             guint64 percent = 0;
 779                             if ( popVal( percent, part ) ) {
 780                                 (*it)->_linkTint( *(onceMore->_colors[colorIndex]), percent );
 781                             }
 782                         }
 783                     }
 784
 785                     // Shade/tone. index + 1 or 2 more val.
 786                     if ( getBlock( part, 'S', subby ) ) {
 787                         guint64 colorIndex = 0;
 788                         if ( popVal( colorIndex, part ) ) {
 789                             guint64 percent = 0;
 790                             if ( popVal( percent, part ) ) {
 791                                 guint64 grayLevel = 0;
 792                                 if ( !popVal( grayLevel, part ) ) {
 793                                     grayLevel = 0;
 794                                 }
 795                                 (*it)->_linkTone( *(onceMore->_colors[colorIndex]), percent, grayLevel );
 796                             }
 797                         }
 798                     }
 799
 800                 }
 801             }
 802         }
 803     }
 804 }
 805
 806
 807 void ColorItem::_linkTint( ColorItem& other, int percent )
 808 {
 809     if ( !_linkSrc )
 810     {
 811         other._listeners.push_back(this);
 812         _linkIsTone = false;
 813         _linkPercent = percent;
 814         if ( _linkPercent > 100 )
 815             _linkPercent = 100;
 816         if ( _linkPercent < 0 )
 817             _linkPercent = 0;
 818         _linkGray = 0;
 819         _linkSrc = &other;
 820
 821         ColorItem::_colorDefChanged(&other);
 822     }
 823 }
 824
 825 void ColorItem::_linkTone( ColorItem& other, int percent, int grayLevel )
 826 {
 827     if ( !_linkSrc )
 828     {
 829         other._listeners.push_back(this);
 830         _linkIsTone = true;
 831         _linkPercent = percent;
 832         if ( _linkPercent > 100 )
 833             _linkPercent = 100;
 834         if ( _linkPercent < 0 )
 835             _linkPercent = 0;
 836         _linkGray = grayLevel;
 837         _linkSrc = &other;
 838
 839         ColorItem::_colorDefChanged(&other);
 840     }
 841 }
 842
 843
 844 void _loadPaletteFile( gchar const *filename )
 845 {
 846     char block[1024];
 847     FILE *f = Inkscape::IO::fopen_utf8name( filename, "r" );
 848     if ( f ) {
 849         char* result = fgets( block, sizeof(block), f );
 850         if ( result ) {
 851             if ( strncmp( "GIMP Palette", block, 12 ) == 0 ) {
 852                 bool inHeader = true;
 853                 bool hasErr = false;
 854
 855                 JustForNow *onceMore = new JustForNow();
 856
 857                 do {
 858                     result = fgets( block, sizeof(block), f );
 859                     block[sizeof(block) - 1] = 0;
 860                     if ( result ) {
 861                         if ( block[0] == '#' ) {
 862                             // ignore comment
 863                         } else {
 864                             char *ptr = block;
 865                             // very simple check for header versus entry
 866                             while ( *ptr == ' ' || *ptr == '\t' ) {
 867                                 ptr++;
 868                             }
 869                             if ( (*ptr == 0) || (*ptr == '\r') || (*ptr == '\n') ) {
 870                                 // blank line. skip it.
 871                             } else if ( '0' <= *ptr && *ptr <= '9' ) {
 872                                 // should be an entry link
 873                                 inHeader = false;
 874                                 ptr = block;
 875                                 Glib::ustring name("");
 876                                 int r = 0;
 877                                 int g = 0;
 878                                 int b = 0;
 879                                 skipWhitespace(ptr);
 880                                 if ( *ptr ) {
 881                                     hasErr = parseNum(ptr, r);
 882                                     if ( !hasErr ) {
 883                                         skipWhitespace(ptr);
 884                                         hasErr = parseNum(ptr, g);
 885                                     }
 886                                     if ( !hasErr ) {
 887                                         skipWhitespace(ptr);
 888                                         hasErr = parseNum(ptr, b);
 889                                     }
 890                                     if ( !hasErr && *ptr ) {
 891                                         char* n = trim(ptr);
 892                                         if (n != NULL) {
 893                                             name = n;
 894                                         }
 895                                     }
 896                                     if ( !hasErr ) {
 897                                         // Add the entry now
 898                                         Glib::ustring nameStr(name);
 899                                         ColorItem* item = new ColorItem( r, g, b, nameStr );
 900                                         onceMore->_colors.push_back(item);
 901                                     }
 902                                 } else {
 903                                     hasErr = true;
 904                                 }
 905                             } else {
 906                                 if ( !inHeader ) {
 907                                     // Hmmm... probably bad. Not quite the format we want?
 908                                     hasErr = true;
 909                                 } else {
 910                                     char* sep = strchr(result, ':');
 911                                     if ( sep ) {
 912                                         *sep = 0;
 913                                         char* val = trim(sep + 1);
 914                                         char* name = trim(result);
 915                                         if ( *name ) {
 916                                             if ( strcmp( "Name", name ) == 0 )
 917                                             {
 918                                                 onceMore->_name = val;
 919                                             }
 920                                             else if ( strcmp( "Columns", name ) == 0 )
 921                                             {
 922                                                 gchar* endPtr = 0;
 923                                                 guint64 numVal = g_ascii_strtoull( val, &endPtr, 10 );
 924                                                 if ( (numVal == G_MAXUINT64) && (ERANGE == errno) ) {
 925                                                     // overflow
 926                                                 } else if ( (numVal == 0) && (endPtr == val) ) {
 927                                                     // failed conversion
 928                                                 } else {
 929                                                     onceMore->_prefWidth = numVal;
 930                                                 }
 931                                             }
 932                                         } else {
 933                                             // error
 934                                             hasErr = true;
 935                                         }
 936                                     } else {
 937                                         // error
 938                                         hasErr = true;
 939                                     }
 940                                 }
 941                             }
 942                         }
 943                     }
 944                 } while ( result && !hasErr );
 945                 if ( !hasErr ) {
 946                     possible.push_back(onceMore);
 947 #if ENABLE_MAGIC_COLORS
 948                     ColorItem::_wireMagicColors( onceMore );
 949 #endif // ENABLE_MAGIC_COLORS
 950                 } else {
 951                     delete onceMore;
 952                 }
 953             }
 954         }
 955
 956         fclose(f);
 957     }
 958 }
 959
 960 static void loadEmUp()
 961 {
 962     static bool beenHere = false;
 963     if ( !beenHere ) {
 964         beenHere = true;
 965
 966         std::list<gchar *> sources;
 967         sources.push_back( profile_path("palettes") );
 968         sources.push_back( g_strdup(INKSCAPE_PALETTESDIR) );
 969         sources.push_back( g_strdup(CREATE_PALETTESDIR) );
 970
 971         // Use this loop to iterate through a list of possible document locations.
 972         while (!sources.empty()) {
 973             gchar *dirname = sources.front();
 974
 975             if ( Inkscape::IO::file_test( dirname, G_FILE_TEST_EXISTS )
 976                 && Inkscape::IO::file_test( dirname, G_FILE_TEST_IS_DIR )) {
 977                 GError *err = 0;
 978                 GDir *directory = g_dir_open(dirname, 0, &err);
 979                 if (!directory) {
 980                     gchar *safeDir = Inkscape::IO::sanitizeString(dirname);
 981                     g_warning(_("Palettes directory (%s) is unavailable."), safeDir);
 982                     g_free(safeDir);
 983                 } else {
 984                     gchar *filename = 0;
 985                     while ((filename = (gchar *)g_dir_read_name(directory)) != NULL) {
 986                         gchar* lower = g_ascii_strdown( filename, -1 );
 987 //                        if ( g_str_has_suffix(lower, ".gpl") ) {
 988                             gchar* full = g_build_filename(dirname, filename, NULL);
 989                             if ( !Inkscape::IO::file_test( full, G_FILE_TEST_IS_DIR ) ) {
 990                                 _loadPaletteFile(full);
 991                             }
 992                             g_free(full);
 993 //                      }
 994                         g_free(lower);
 995                     }
 996                     g_dir_close(directory);
 997                 }
 998             }
 999
1000             // toss the dirname
1001             g_free(dirname);
1002             sources.pop_front();
1003         }
1004     }
1005 }
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015 SwatchesPanel& SwatchesPanel::getInstance()
1016 {
1017     return *new SwatchesPanel();
1018 }
1019
1020
1021 /**
1022  * Constructor
1023  */
1024 SwatchesPanel::SwatchesPanel(gchar const* prefsPath) :
1025     Inkscape::UI::Widget::Panel("", prefsPath, SP_VERB_DIALOG_SWATCHES, "", true),
1026     _holder(0)
1027 {
1028     Gtk::RadioMenuItem* hotItem = 0;
1029     _holder = new PreviewHolder();
1030     loadEmUp();
1031
1032     if ( !possible.empty() ) {
1033         JustForNow* first = 0;
1034         gchar const* targetName = 0;
1035         if ( _prefs_path ) {
1036             targetName = prefs_get_string_attribute( _prefs_path, "palette" );
1037             if ( targetName ) {
1038                 for ( std::vector<JustForNow*>::iterator iter = possible.begin(); iter != possible.end(); ++iter ) {
1039                     if ( (*iter)->_name == targetName ) {
1040                         first = *iter;
1041                         break;
1042                     }
1043                 }
1044             }
1045         }
1046
1047         if ( !first ) {
1048             first = possible.front();
1049         }
1050
1051         if ( first->_prefWidth > 0 ) {
1052             _holder->setColumnPref( first->_prefWidth );
1053         }
1054         _holder->freezeUpdates();
1055         for ( std::vector<ColorItem*>::iterator it = first->_colors.begin(); it != first->_colors.end(); it++ ) {
1056             _holder->addPreview(*it);
1057         }
1058         _holder->thawUpdates();
1059
1060         Gtk::RadioMenuItem::Group groupOne;
1061         int i = 0;
1062         for ( std::vector<JustForNow*>::iterator it = possible.begin(); it != possible.end(); it++ ) {
1063             JustForNow* curr = *it;
1064             Gtk::RadioMenuItem* single = manage(new Gtk::RadioMenuItem(groupOne, curr->_name));
1065             if ( curr == first ) {
1066                 hotItem = single;
1067             }
1068             _regItem( single, 3, i );
1069             i++;
1070         }
1071
1072     }
1073
1074
1075     _getContents()->pack_start(*_holder, Gtk::PACK_EXPAND_WIDGET);
1076     _setTargetFillable(_holder);
1077
1078     show_all_children();
1079
1080     restorePanelPrefs();
1081     if ( hotItem ) {
1082         hotItem->set_active();
1083     }
1084 }
1085
1086 SwatchesPanel::~SwatchesPanel()
1087 {
1088 }
1089
1090 void SwatchesPanel::setOrientation( Gtk::AnchorType how )
1091 {
1092     // Must call the parent class or bad things might happen
1093     Inkscape::UI::Widget::Panel::setOrientation( how );
1094
1095     if ( _holder )
1096     {
1097         _holder->setOrientation( Gtk::ANCHOR_SOUTH );
1098     }
1099 }
1100
1101 void SwatchesPanel::_handleAction( int setId, int itemId )
1102 {
1103     switch( setId ) {
1104         case 3:
1105         {
1106             if ( itemId >= 0 && itemId < static_cast<int>(possible.size()) ) {
1107                 _holder->clear();
1108                 JustForNow* curr = possible[itemId];
1109
1110                 if ( _prefs_path ) {
1111                     prefs_set_string_attribute( _prefs_path, "palette", curr->_name.c_str() );
1112                 }
1113
1114                 if ( curr->_prefWidth > 0 ) {
1115                     _holder->setColumnPref( curr->_prefWidth );
1116                 }
1117                 _holder->freezeUpdates();
1118                 for ( std::vector<ColorItem*>::iterator it = curr->_colors.begin(); it != curr->_colors.end(); it++ ) {
1119                     _holder->addPreview(*it);
1120                 }
1121                 _holder->thawUpdates();
1122             }
1123         }
1124         break;
1125     }
1126 }
1127
1128 } //namespace Dialogs
1129 } //namespace UI
1130 } //namespace Inkscape
1131
1132
1133 /*
1134   Local Variables:
1135   mode:c++
1136   c-file-style:"stroustrup"
1137   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1138   indent-tabs-mode:nil
1139   fill-column:99
1140   End:
1141 */
1142 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :