dialogs/swatches.cpp

   1 /** @file
   2  * @brief Color swatches dialog
   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
  14 #include <errno.h>
  15
  16 #include <gtk/gtkdialog.h> //for GTK_RESPONSE* types
  17 #include <gtk/gtkdnd.h>
  18 #include <gtk/gtkmenu.h>
  19 #include <gtk/gtkmenuitem.h>
  20 #include <gtk/gtkseparatormenuitem.h>
  21
  22 #include <glibmm/i18n.h>
  23 #include <gdkmm/pixbuf.h>
  24 #include "inkscape.h"
  25 #include "desktop.h"
  26 #include "message-context.h"
  27 #include "document.h"
  28 #include "desktop-handles.h"
  29 #include "extension/db.h"
  30 #include "inkscape.h"
  31 #include "svg/svg-color.h"
  32 #include "desktop-style.h"
  33 #include "io/sys.h"
  34 #include "path-prefix.h"
  35 #include "swatches.h"
  36 #include "sp-item.h"
  37 #include "preferences.h"
  38
  39 #include "eek-preview.h"
  40
  41 namespace Inkscape {
  42 namespace UI {
  43 namespace Dialogs {
  44
  45 ColorItem::ColorItem() : _isRemove(true){};
  46 ColorItem::ColorItem( unsigned int r, unsigned int g, unsigned int b, Glib::ustring& name ) :
  47     def( r, g, b, name ),
  48     _isRemove(false),
  49     _isLive(false),
  50     _linkIsTone(false),
  51     _linkPercent(0),
  52     _linkGray(0),
  53     _linkSrc(0)
  54 {
  55 }
  56
  57 ColorItem::~ColorItem()
  58 {
  59 }
  60
  61 ColorItem::ColorItem(ColorItem const &other) :
  62     Inkscape::UI::Previewable()
  63 {
  64     if ( this != &other ) {
  65         *this = other;
  66     }
  67 }
  68
  69 ColorItem &ColorItem::operator=(ColorItem const &other)
  70 {
  71     if ( this != &other ) {
  72         def = other.def;
  73
  74         // TODO - correct linkage
  75         _linkSrc = other._linkSrc;
  76         g_message("Erk!");
  77     }
  78     return *this;
  79 }
  80
  81
  82 class JustForNow
  83 {
  84 public:
  85     JustForNow() : _prefWidth(0) {}
  86
  87     Glib::ustring _name;
  88     int _prefWidth;
  89     std::vector<ColorItem*> _colors;
  90 };
  91
  92 static std::vector<JustForNow*> possible;
  93
  94
  95
  96 typedef enum {
  97     APP_X_INKY_COLOR_ID = 0,
  98     APP_X_INKY_COLOR = 0,
  99     APP_X_COLOR,
 100     TEXT_DATA
 101 } colorFlavorType;
 102
 103 //TODO: warning: deprecated conversion from string constant to ‘gchar*’
 104 //
 105 //Turn out to be warnings that we should probably leave in place. The
 106 // pointers/types used need to be read-only. So until we correct the using
 107 // code, those warnings are actually desired. They say "Hey! Fix this". We
 108 // definitely don't want to hide/ignore them. --JonCruz
 109 static const GtkTargetEntry sourceColorEntries[] = {
 110 #if ENABLE_MAGIC_COLORS
 111 //    {"application/x-inkscape-color-id", GTK_TARGET_SAME_APP, APP_X_INKY_COLOR_ID},
 112     {"application/x-inkscape-color", 0, APP_X_INKY_COLOR},
 113 #endif // ENABLE_MAGIC_COLORS
 114     {"application/x-color", 0, APP_X_COLOR},
 115     {"text/plain", 0, TEXT_DATA},
 116 };
 117
 118 void ColorItem::_dragGetColorData( GtkWidget *widget,
 119                                    GdkDragContext *drag_context,
 120                                    GtkSelectionData *data,
 121                                    guint info,
 122                                    guint time,
 123                                    gpointer user_data)
 124 {
 125     (void)widget;
 126     (void)drag_context;
 127     (void)time;
 128     static GdkAtom typeXColor = gdk_atom_intern("application/x-color", FALSE);
 129     static GdkAtom typeText = gdk_atom_intern("text/plain", FALSE);
 130
 131     ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
 132     if ( info == TEXT_DATA ) {
 133         gchar* tmp = g_strdup_printf("#%02x%02x%02x", item->def.getR(), item->def.getG(), item->def.getB() );
 134
 135         gtk_selection_data_set( data,
 136                                 typeText,
 137                                 8, // format
 138                                 (guchar*)tmp,
 139                                 strlen((const char*)tmp) + 1);
 140         g_free(tmp);
 141         tmp = 0;
 142     } else if ( info == APP_X_INKY_COLOR ) {
 143         Glib::ustring paletteName;
 144
 145         // Find where this thing came from
 146         bool found = false;
 147         int index = 0;
 148         for ( std::vector<JustForNow*>::iterator it = possible.begin(); it != possible.end() && !found; ++it ) {
 149             JustForNow* curr = *it;
 150             index = 0;
 151             for ( std::vector<ColorItem*>::iterator zz = curr->_colors.begin(); zz != curr->_colors.end(); ++zz ) {
 152                 if ( item == *zz ) {
 153                     found = true;
 154                     paletteName = curr->_name;
 155                     break;
 156                 } else {
 157                     index++;
 158                 }
 159             }
 160         }
 161
 162 //         if ( found ) {
 163 //             g_message("Found the color at entry %d in palette '%s'", index, paletteName.c_str() );
 164 //         } else {
 165 //             g_message("Unable to find the color");
 166 //         }
 167         int itemCount = 4 + 2 + 1 + paletteName.length();
 168
 169         guint16* tmp = new guint16[itemCount];
 170         tmp[0] = (item->def.getR() << 8) | item->def.getR();
 171         tmp[1] = (item->def.getG() << 8) | item->def.getG();
 172         tmp[2] = (item->def.getB() << 8) | item->def.getB();
 173         tmp[3] = 0xffff;
 174         tmp[4] = (item->_isLive || !item->_listeners.empty() || (item->_linkSrc != 0) ) ? 1 : 0;
 175
 176         tmp[5] = index;
 177         tmp[6] = paletteName.length();
 178         for ( unsigned int i = 0; i < paletteName.length(); i++ ) {
 179             tmp[7 + i] = paletteName[i];
 180         }
 181         gtk_selection_data_set( data,
 182                                 typeXColor,
 183                                 16, // format
 184                                 reinterpret_cast<const guchar*>(tmp),
 185                                 itemCount * 2);
 186         delete[] tmp;
 187     } else {
 188         guint16 tmp[4];
 189         tmp[0] = (item->def.getR() << 8) | item->def.getR();
 190         tmp[1] = (item->def.getG() << 8) | item->def.getG();
 191         tmp[2] = (item->def.getB() << 8) | item->def.getB();
 192         tmp[3] = 0xffff;
 193         gtk_selection_data_set( data,
 194                                 typeXColor,
 195                                 16, // format
 196                                 reinterpret_cast<const guchar*>(tmp),
 197                                 (3+1) * 2);
 198     }
 199 }
 200
 201 static void dragBegin( GtkWidget *widget, GdkDragContext* dc, gpointer data )
 202 {
 203     (void)widget;
 204     ColorItem* item = reinterpret_cast<ColorItem*>(data);
 205     if ( item )
 206     {
 207         if (item->isRemove()){
 208             GError *error = NULL;
 209             gchar *filepath = (gchar *) g_strdup_printf("%s/remove-color.png", INKSCAPE_PIXMAPDIR);
 210             gsize bytesRead = 0;
 211             gsize bytesWritten = 0;
 212             gchar *localFilename = g_filename_from_utf8( filepath,
 213                                                  -1,
 214                                                  &bytesRead,
 215                                                  &bytesWritten,
 216                                                  &error);
 217             GdkPixbuf* pixbuf = gdk_pixbuf_new_from_file_at_scale(localFilename, 32, 24, FALSE, &error);
 218             g_free(localFilename);
 219             g_free(filepath);
 220             gtk_drag_set_icon_pixbuf( dc, pixbuf, 0, 0 );
 221             return;
 222         }
 223
 224         Glib::RefPtr<Gdk::Pixbuf> thumb = Gdk::Pixbuf::create( Gdk::COLORSPACE_RGB, false, 8, 32, 24 );
 225         guint32 fillWith = (0xff000000 & (item->def.getR() << 24))
 226                          | (0x00ff0000 & (item->def.getG() << 16))
 227                          | (0x0000ff00 & (item->def.getB() <<  8));
 228         thumb->fill( fillWith );
 229         gtk_drag_set_icon_pixbuf( dc, thumb->gobj(), 0, 0 );
 230     }
 231
 232 }
 233
 234 //"drag-drop"
 235 // gboolean dragDropColorData( GtkWidget *widget,
 236 //                             GdkDragContext *drag_context,
 237 //                             gint x,
 238 //                             gint y,
 239 //                             guint time,
 240 //                             gpointer user_data)
 241 // {
 242 // // TODO finish
 243
 244 //     return TRUE;
 245 // }
 246
 247 static void handleClick( GtkWidget* widget, gpointer callback_data ) {
 248     (void)widget;
 249     ColorItem* item = reinterpret_cast<ColorItem*>(callback_data);
 250     if ( item ) {
 251         item->buttonClicked(false);
 252     }
 253 }
 254
 255 static void handleSecondaryClick( GtkWidget* widget, gint arg1, gpointer callback_data ) {
 256     (void)widget;
 257     (void)arg1;
 258     ColorItem* item = reinterpret_cast<ColorItem*>(callback_data);
 259     if ( item ) {
 260         item->buttonClicked(true);
 261     }
 262 }
 263
 264 static gboolean handleEnterNotify( GtkWidget* /*widget*/, GdkEventCrossing* /*event*/, gpointer callback_data ) {
 265     ColorItem* item = reinterpret_cast<ColorItem*>(callback_data);
 266     if ( item ) {
 267         SPDesktop *desktop = SP_ACTIVE_DESKTOP;
 268         if ( desktop ) {
 269             gchar* msg = g_strdup_printf(_("Color: <b>%s</b>; <b>Click</b> to set fill, <b>Shift+click</b> to set stroke"),
 270                                          item->def.descr.c_str());
 271             desktop->tipsMessageContext()->set(Inkscape::INFORMATION_MESSAGE, msg);
 272             g_free(msg);
 273         }
 274     }
 275     return FALSE;
 276 }
 277
 278 static gboolean handleLeaveNotify( GtkWidget* /*widget*/, GdkEventCrossing* /*event*/, gpointer callback_data ) {
 279     ColorItem* item = reinterpret_cast<ColorItem*>(callback_data);
 280     if ( item ) {
 281         SPDesktop *desktop = SP_ACTIVE_DESKTOP;
 282         if ( desktop ) {
 283             desktop->tipsMessageContext()->clear();
 284         }
 285     }
 286     return FALSE;
 287 }
 288
 289 static GtkWidget* popupMenu = 0;
 290 static ColorItem* bounceTarget = 0;
 291
 292 static void redirClick( GtkMenuItem *menuitem, gpointer user_data )
 293 {
 294     (void)user_data;
 295     if ( bounceTarget ) {
 296         handleClick( GTK_WIDGET(menuitem), bounceTarget );
 297     }
 298 }
 299
 300 static void redirSecondaryClick( GtkMenuItem *menuitem, gpointer user_data )
 301 {
 302     (void)user_data;
 303     if ( bounceTarget ) {
 304         handleSecondaryClick( GTK_WIDGET(menuitem), 0, bounceTarget );
 305     }
 306 }
 307
 308 static gboolean handleButtonPress( GtkWidget* widget, GdkEventButton* event, gpointer user_data)
 309 {
 310     (void)widget;
 311     gboolean handled = FALSE;
 312
 313     if ( (event->button == 3) && (event->type == GDK_BUTTON_PRESS) ) {
 314         if ( !popupMenu ) {
 315             popupMenu = gtk_menu_new();
 316             GtkWidget* child = 0;
 317
 318             //TRANSLATORS: An item in context menu on a colour in the swatches
 319             child = gtk_menu_item_new_with_label(_("Set fill"));
 320             g_signal_connect( G_OBJECT(child),
 321                               "activate",
 322                               G_CALLBACK(redirClick),
 323                               user_data);
 324             gtk_menu_shell_append(GTK_MENU_SHELL(popupMenu), child);
 325
 326             //TRANSLATORS: An item in context menu on a colour in the swatches
 327             child = gtk_menu_item_new_with_label(_("Set stroke"));
 328
 329             g_signal_connect( G_OBJECT(child),
 330                               "activate",
 331                               G_CALLBACK(redirSecondaryClick),
 332                               user_data);
 333             gtk_menu_shell_append(GTK_MENU_SHELL(popupMenu), child);
 334
 335             gtk_widget_show_all(popupMenu);
 336         }
 337
 338         ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
 339         if ( item ) {
 340             bounceTarget = item;
 341             if ( popupMenu ) {
 342                 gtk_menu_popup(GTK_MENU(popupMenu), NULL, NULL, NULL, NULL, event->button, event->time);
 343                 handled = TRUE;
 344             }
 345         }
 346     }
 347
 348     return handled;
 349 }
 350
 351 static void dieDieDie( GtkObject *obj, gpointer user_data )
 352 {
 353     g_message("die die die %p  %p", obj, user_data );
 354 }
 355
 356 //TODO: warning: deprecated conversion from string constant to ‘gchar*’
 357 //
 358 //Turn out to be warnings that we should probably leave in place. The
 359 // pointers/types used need to be read-only. So until we correct the using
 360 // code, those warnings are actually desired. They say "Hey! Fix this". We
 361 // definitely don't want to hide/ignore them. --JonCruz
 362 static const GtkTargetEntry destColorTargets[] = {
 363 #if ENABLE_MAGIC_COLORS
 364 //    {"application/x-inkscape-color-id", GTK_TARGET_SAME_APP, APP_X_INKY_COLOR_ID},
 365     {"application/x-inkscape-color", 0, APP_X_INKY_COLOR},
 366 #endif // ENABLE_MAGIC_COLORS
 367     {"application/x-color", 0, APP_X_COLOR},
 368 };
 369
 370 #include "color.h" // for SP_RGBA32_U_COMPOSE
 371
 372 void ColorItem::_dropDataIn( GtkWidget *widget,
 373                              GdkDragContext *drag_context,
 374                              gint x, gint y,
 375                              GtkSelectionData *data,
 376                              guint info,
 377                              guint event_time,
 378                              gpointer user_data)
 379 {
 380     (void)widget;
 381     (void)drag_context;
 382     (void)x;
 383     (void)y;
 384     (void)event_time;
 385 //     g_message("    droppy droppy   %d", info);
 386      switch (info) {
 387          case APP_X_INKY_COLOR:
 388          {
 389              if ( data->length >= 8 ) {
 390                  // Careful about endian issues.
 391                  guint16* dataVals = (guint16*)data->data;
 392                  if ( user_data ) {
 393                      ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
 394                      if ( item->def.isEditable() ) {
 395                          // Shove on in the new value
 396                          item->def.setRGB( 0x0ff & (dataVals[0] >> 8), 0x0ff & (dataVals[1] >> 8), 0x0ff & (dataVals[2] >> 8) );
 397                      }
 398                  }
 399              }
 400              break;
 401          }
 402          case APP_X_COLOR:
 403          {
 404              if ( data->length == 8 ) {
 405                  // Careful about endian issues.
 406                  guint16* dataVals = (guint16*)data->data;
 407 //                  {
 408 //                      gchar c[64] = {0};
 409 //                      sp_svg_write_color( c, 64,
 410 //                                          SP_RGBA32_U_COMPOSE(
 411 //                                              0x0ff & (dataVals[0] >> 8),
 412 //                                              0x0ff & (dataVals[1] >> 8),
 413 //                                              0x0ff & (dataVals[2] >> 8),
 414 //                                              0xff // can't have transparency in the color itself
 415 //                                              //0x0ff & (data->data[3] >> 8),
 416 //                                              ));
 417 //                  }
 418                  if ( user_data ) {
 419                      ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
 420                      if ( item->def.isEditable() ) {
 421                          // Shove on in the new value
 422                          item->def.setRGB( 0x0ff & (dataVals[0] >> 8), 0x0ff & (dataVals[1] >> 8), 0x0ff & (dataVals[2] >> 8) );
 423                      }
 424                  }
 425              }
 426              break;
 427          }
 428          default:
 429              g_message("unknown drop type");
 430      }
 431
 432 }
 433
 434 static bool bruteForce( SPDocument* document, Inkscape::XML::Node* node, Glib::ustring const& match, int r, int g, int b )
 435 {
 436     bool changed = false;
 437
 438     if ( node ) {
 439         gchar const * val = node->attribute("inkscape:x-fill-tag");
 440         if ( val  && (match == val) ) {
 441             SPObject *obj = document->getObjectByRepr( node );
 442
 443             gchar c[64] = {0};
 444             sp_svg_write_color( c, sizeof(c), SP_RGBA32_U_COMPOSE( r, g, b, 0xff ) );
 445             SPCSSAttr *css = sp_repr_css_attr_new();
 446             sp_repr_css_set_property( css, "fill", c );
 447
 448             sp_desktop_apply_css_recursive( (SPItem*)obj, css, true );
 449             ((SPItem*)obj)->updateRepr();
 450
 451             changed = true;
 452         }
 453
 454         val = node->attribute("inkscape:x-stroke-tag");
 455         if ( val  && (match == val) ) {
 456             SPObject *obj = document->getObjectByRepr( node );
 457
 458             gchar c[64] = {0};
 459             sp_svg_write_color( c, sizeof(c), SP_RGBA32_U_COMPOSE( r, g, b, 0xff ) );
 460             SPCSSAttr *css = sp_repr_css_attr_new();
 461             sp_repr_css_set_property( css, "stroke", c );
 462
 463             sp_desktop_apply_css_recursive( (SPItem*)obj, css, true );
 464             ((SPItem*)obj)->updateRepr();
 465
 466             changed = true;
 467         }
 468
 469         Inkscape::XML::Node* first = node->firstChild();
 470         changed |= bruteForce( document, first, match, r, g, b );
 471
 472         changed |= bruteForce( document, node->next(), match, r, g, b );
 473     }
 474
 475     return changed;
 476 }
 477
 478 void ColorItem::_colorDefChanged(void* data)
 479 {
 480     ColorItem* item = reinterpret_cast<ColorItem*>(data);
 481     if ( item ) {
 482         for ( std::vector<Gtk::Widget*>::iterator it =  item->_previews.begin(); it != item->_previews.end(); ++it ) {
 483             Gtk::Widget* widget = *it;
 484             if ( IS_EEK_PREVIEW(widget->gobj()) ) {
 485                 EekPreview * preview = EEK_PREVIEW(widget->gobj());
 486                 eek_preview_set_color( preview,
 487                                        (item->def.getR() << 8) | item->def.getR(),
 488                                        (item->def.getG() << 8) | item->def.getG(),
 489                                        (item->def.getB() << 8) | item->def.getB() );
 490
 491                 eek_preview_set_linked( preview, (LinkType)((item->_linkSrc ? PREVIEW_LINK_IN:0)
 492                                                             | (item->_listeners.empty() ? 0:PREVIEW_LINK_OUT)
 493                                                             | (item->_isLive ? PREVIEW_LINK_OTHER:0)) );
 494
 495                 widget->queue_draw();
 496             }
 497         }
 498
 499         for ( std::vector<ColorItem*>::iterator it = item->_listeners.begin(); it != item->_listeners.end(); ++it ) {
 500             guint r = item->def.getR();
 501             guint g = item->def.getG();
 502             guint b = item->def.getB();
 503
 504             if ( (*it)->_linkIsTone ) {
 505                 r = ( ((*it)->_linkPercent * (*it)->_linkGray) + ((100 - (*it)->_linkPercent) * r) ) / 100;
 506                 g = ( ((*it)->_linkPercent * (*it)->_linkGray) + ((100 - (*it)->_linkPercent) * g) ) / 100;
 507                 b = ( ((*it)->_linkPercent * (*it)->_linkGray) + ((100 - (*it)->_linkPercent) * b) ) / 100;
 508             } else {
 509                 r = ( ((*it)->_linkPercent * 255) + ((100 - (*it)->_linkPercent) * r) ) / 100;
 510                 g = ( ((*it)->_linkPercent * 255) + ((100 - (*it)->_linkPercent) * g) ) / 100;
 511                 b = ( ((*it)->_linkPercent * 255) + ((100 - (*it)->_linkPercent) * b) ) / 100;
 512             }
 513
 514             (*it)->def.setRGB( r, g, b );
 515         }
 516
 517
 518         // Look for objects using this color
 519         {
 520             SPDesktop *desktop = SP_ACTIVE_DESKTOP;
 521             if ( desktop ) {
 522                 SPDocument* document = sp_desktop_document( desktop );
 523                 Inkscape::XML::Node *rroot =  sp_document_repr_root( document );
 524                 if ( rroot ) {
 525
 526                     // Find where this thing came from
 527                     Glib::ustring paletteName;
 528                     bool found = false;
 529                     int index = 0;
 530                     for ( std::vector<JustForNow*>::iterator it2 = possible.begin(); it2 != possible.end() && !found; ++it2 ) {
 531                         JustForNow* curr = *it2;
 532                         index = 0;
 533                         for ( std::vector<ColorItem*>::iterator zz = curr->_colors.begin(); zz != curr->_colors.end(); ++zz ) {
 534                             if ( item == *zz ) {
 535                                 found = true;
 536                                 paletteName = curr->_name;
 537                                 break;
 538                             } else {
 539                                 index++;
 540                             }
 541                         }
 542                     }
 543
 544                     if ( !paletteName.empty() ) {
 545                         gchar* str = g_strdup_printf("%d|", index);
 546                         paletteName.insert( 0, str );
 547                         g_free(str);
 548                         str = 0;
 549
 550                         if ( bruteForce( document, rroot, paletteName, item->def.getR(), item->def.getG(), item->def.getB() ) ) {
 551                             sp_document_done( document , SP_VERB_DIALOG_SWATCHES,
 552                                               _("Change color definition"));
 553                         }
 554                     }
 555                 }
 556             }
 557         }
 558     }
 559 }
 560
 561
 562 Gtk::Widget* ColorItem::getPreview(PreviewStyle style, ViewType view, ::PreviewSize size, guint ratio)
 563 {
 564     Gtk::Widget* widget = 0;
 565     if ( style == PREVIEW_STYLE_BLURB) {
 566         Gtk::Label *lbl = new Gtk::Label(def.descr);
 567         lbl->set_alignment(Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER);
 568         widget = lbl;
 569     } else {
 570 //         Glib::ustring blank("          ");
 571 //         if ( size == Inkscape::ICON_SIZE_MENU || size == Inkscape::ICON_SIZE_DECORATION ) {
 572 //             blank = " ";
 573 //         }
 574
 575         GtkWidget* eekWidget = eek_preview_new();
 576         EekPreview * preview = EEK_PREVIEW(eekWidget);
 577         Gtk::Widget* newBlot = Glib::wrap(eekWidget);
 578
 579         eek_preview_set_color( preview, (def.getR() << 8) | def.getR(), (def.getG() << 8) | def.getG(), (def.getB() << 8) | def.getB());
 580         if ( _isRemove ) {
 581             GError *error = NULL;
 582             gchar *filepath = (gchar *) g_strdup_printf("%s/remove-color.png", INKSCAPE_PIXMAPDIR);
 583             gsize bytesRead = 0;
 584             gsize bytesWritten = 0;
 585             gchar *localFilename = g_filename_from_utf8( filepath,
 586                                                  -1,
 587                                                  &bytesRead,
 588                                                  &bytesWritten,
 589                                                  &error);
 590             GdkPixbuf* pixbuf = gdk_pixbuf_new_from_file(localFilename, &error);
 591             if (!pixbuf) {
 592                 g_warning("Null pixbuf for %p [%s]", localFilename, localFilename );
 593             }
 594             g_free(localFilename);
 595             g_free(filepath);
 596
 597             eek_preview_set_pixbuf( preview, pixbuf );
 598         }
 599
 600         eek_preview_set_details( preview, (::PreviewStyle)style, (::ViewType)view, (::PreviewSize)size, ratio );
 601         eek_preview_set_linked( preview, (LinkType)((_linkSrc ? PREVIEW_LINK_IN:0)
 602                                                     | (_listeners.empty() ? 0:PREVIEW_LINK_OUT)
 603                                                     | (_isLive ? PREVIEW_LINK_OTHER:0)) );
 604
 605         def.addCallback( _colorDefChanged, this );
 606
 607         GValue val = {0, {{0}, {0}}};
 608         g_value_init( &val, G_TYPE_BOOLEAN );
 609         g_value_set_boolean( &val, FALSE );
 610         g_object_set_property( G_OBJECT(preview), "focus-on-click", &val );
 611
 612 /*
 613         Gtk::Button *btn = new Gtk::Button(blank);
 614         Gdk::Color color;
 615         color.set_rgb((_r << 8)|_r, (_g << 8)|_g, (_b << 8)|_b);
 616         btn->modify_bg(Gtk::STATE_NORMAL, color);
 617         btn->modify_bg(Gtk::STATE_ACTIVE, color);
 618         btn->modify_bg(Gtk::STATE_PRELIGHT, color);
 619         btn->modify_bg(Gtk::STATE_SELECTED, color);
 620
 621         Gtk::Widget* newBlot = btn;
 622 */
 623
 624         tips.set_tip((*newBlot), def.descr);
 625
 626 /*
 627         newBlot->signal_clicked().connect( sigc::mem_fun(*this, &ColorItem::buttonClicked) );
 628
 629         sigc::signal<void> type_signal_something;
 630 */
 631
 632         g_signal_connect( G_OBJECT(newBlot->gobj()),
 633                           "clicked",
 634                           G_CALLBACK(handleClick),
 635                           this);
 636
 637         g_signal_connect( G_OBJECT(newBlot->gobj()),
 638                           "alt-clicked",
 639                           G_CALLBACK(handleSecondaryClick),
 640                           this);
 641
 642         g_signal_connect( G_OBJECT(newBlot->gobj()),
 643                           "button-press-event",
 644                           G_CALLBACK(handleButtonPress),
 645                           this);
 646
 647         gtk_drag_source_set( GTK_WIDGET(newBlot->gobj()),
 648                              GDK_BUTTON1_MASK,
 649                              sourceColorEntries,
 650                              G_N_ELEMENTS(sourceColorEntries),
 651                              GdkDragAction(GDK_ACTION_MOVE | GDK_ACTION_COPY) );
 652
 653         g_signal_connect( G_OBJECT(newBlot->gobj()),
 654                           "drag-data-get",
 655                           G_CALLBACK(ColorItem::_dragGetColorData),
 656                           this);
 657
 658         g_signal_connect( G_OBJECT(newBlot->gobj()),
 659                           "drag-begin",
 660                           G_CALLBACK(dragBegin),
 661                           this );
 662
 663         g_signal_connect( G_OBJECT(newBlot->gobj()),
 664                           "enter-notify-event",
 665                           G_CALLBACK(handleEnterNotify),
 666                           this);
 667
 668         g_signal_connect( G_OBJECT(newBlot->gobj()),
 669                           "leave-notify-event",
 670                           G_CALLBACK(handleLeaveNotify),
 671                           this);
 672
 673 //         g_signal_connect( G_OBJECT(newBlot->gobj()),
 674 //                           "drag-drop",
 675 //                           G_CALLBACK(dragDropColorData),
 676 //                           this);
 677
 678         if ( def.isEditable() )
 679         {
 680             gtk_drag_dest_set( GTK_WIDGET(newBlot->gobj()),
 681                                GTK_DEST_DEFAULT_ALL,
 682                                destColorTargets,
 683                                G_N_ELEMENTS(destColorTargets),
 684                                GdkDragAction(GDK_ACTION_COPY | GDK_ACTION_MOVE) );
 685
 686
 687             g_signal_connect( G_OBJECT(newBlot->gobj()),
 688                               "drag-data-received",
 689                               G_CALLBACK(_dropDataIn),
 690                               this );
 691         }
 692
 693         g_signal_connect( G_OBJECT(newBlot->gobj()),
 694                           "destroy",
 695                           G_CALLBACK(dieDieDie),
 696                           this);
 697
 698
 699         widget = newBlot;
 700     }
 701
 702     _previews.push_back( widget );
 703
 704     return widget;
 705 }
 706
 707 void ColorItem::buttonClicked(bool secondary)
 708 {
 709     SPDesktop *desktop = SP_ACTIVE_DESKTOP;
 710     if (!desktop) return;
 711     char const * attrName = secondary ? "stroke" : "fill";
 712
 713     gchar c[64];
 714     if (!_isRemove){
 715         guint32 rgba = (def.getR() << 24) | (def.getG() << 16) | (def.getB() << 8) | 0xff;
 716         sp_svg_write_color(c, sizeof(c), rgba);
 717     }
 718
 719     SPCSSAttr *css = sp_repr_css_attr_new();
 720     sp_repr_css_set_property( css, attrName, _isRemove ? "none" : c );
 721     sp_desktop_set_style(desktop, css);
 722     sp_repr_css_attr_unref(css);
 723
 724     if (_isRemove){
 725         sp_document_done (sp_desktop_document (desktop), SP_VERB_DIALOG_SWATCHES,
 726                       secondary? _("Remove stroke color") : _("Remove fill color"));
 727     } else {
 728         sp_document_done (sp_desktop_document (desktop), SP_VERB_DIALOG_SWATCHES,
 729                       secondary? _("Set stroke color from swatch") : _("Set fill color from swatch"));
 730     }
 731 }
 732
 733 static char* trim( char* str ) {
 734     char* ret = str;
 735     while ( *str && (*str == ' ' || *str == '\t') ) {
 736         str++;
 737     }
 738     ret = str;
 739     while ( *str ) {
 740         str++;
 741     }
 742     str--;
 743     while ( str > ret && (( *str == ' ' || *str == '\t' ) || *str == '\r' || *str == '\n') ) {
 744         *str-- = 0;
 745     }
 746     return ret;
 747 }
 748
 749 void skipWhitespace( char*& str ) {
 750     while ( *str == ' ' || *str == '\t' ) {
 751         str++;
 752     }
 753 }
 754
 755 bool parseNum( char*& str, int& val ) {
 756     val = 0;
 757     while ( '0' <= *str && *str <= '9' ) {
 758         val = val * 10 + (*str - '0');
 759         str++;
 760     }
 761     bool retval = !(*str == 0 || *str == ' ' || *str == '\t' || *str == '\r' || *str == '\n');
 762     return retval;
 763 }
 764
 765
 766 static bool getBlock( std::string& dst, guchar ch, std::string const str )
 767 {
 768     bool good = false;
 769     std::string::size_type pos = str.find(ch);
 770     if ( pos != std::string::npos )
 771     {
 772         std::string::size_type pos2 = str.find( '(', pos );
 773         if ( pos2 != std::string::npos ) {
 774             std::string::size_type endPos = str.find( ')', pos2 );
 775             if ( endPos != std::string::npos ) {
 776                 dst = str.substr( pos2 + 1, (endPos - pos2 - 1) );
 777                 good = true;
 778             }
 779         }
 780     }
 781     return good;
 782 }
 783
 784 static bool popVal( guint64& numVal, std::string& str )
 785 {
 786     bool good = false;
 787     std::string::size_type endPos = str.find(',');
 788     if ( endPos == std::string::npos ) {
 789         endPos = str.length();
 790     }
 791
 792     if ( endPos != std::string::npos && endPos > 0 ) {
 793         std::string xxx = str.substr( 0, endPos );
 794         const gchar* ptr = xxx.c_str();
 795         gchar* endPtr = 0;
 796         numVal = g_ascii_strtoull( ptr, &endPtr, 10 );
 797         if ( (numVal == G_MAXUINT64) && (ERANGE == errno) ) {
 798             // overflow
 799         } else if ( (numVal == 0) && (endPtr == ptr) ) {
 800             // failed conversion
 801         } else {
 802             good = true;
 803             str.erase( 0, endPos + 1 );
 804         }
 805     }
 806
 807     return good;
 808 }
 809
 810 void ColorItem::_wireMagicColors( void* p )
 811 {
 812     JustForNow* onceMore = reinterpret_cast<JustForNow*>(p);
 813     if ( onceMore )
 814     {
 815         for ( std::vector<ColorItem*>::iterator it = onceMore->_colors.begin(); it != onceMore->_colors.end(); ++it )
 816         {
 817             std::string::size_type pos = (*it)->def.descr.find("*{");
 818             if ( pos != std::string::npos )
 819             {
 820                 std::string subby = (*it)->def.descr.substr( pos + 2 );
 821                 std::string::size_type endPos = subby.find("}*");
 822                 if ( endPos != std::string::npos )
 823                 {
 824                     subby.erase( endPos );
 825                     //g_message("FOUND MAGIC at '%s'", (*it)->def.descr.c_str());
 826                     //g_message("               '%s'", subby.c_str());
 827
 828                     if ( subby.find('E') != std::string::npos )
 829                     {
 830                         (*it)->def.setEditable( true );
 831                     }
 832
 833                     if ( subby.find('L') != std::string::npos )
 834                     {
 835                         (*it)->_isLive = true;
 836                     }
 837
 838                     std::string part;
 839                     // Tint. index + 1 more val.
 840                     if ( getBlock( part, 'T', subby ) ) {
 841                         guint64 colorIndex = 0;
 842                         if ( popVal( colorIndex, part ) ) {
 843                             guint64 percent = 0;
 844                             if ( popVal( percent, part ) ) {
 845                                 (*it)->_linkTint( *(onceMore->_colors[colorIndex]), percent );
 846                             }
 847                         }
 848                     }
 849
 850                     // Shade/tone. index + 1 or 2 more val.
 851                     if ( getBlock( part, 'S', subby ) ) {
 852                         guint64 colorIndex = 0;
 853                         if ( popVal( colorIndex, part ) ) {
 854                             guint64 percent = 0;
 855                             if ( popVal( percent, part ) ) {
 856                                 guint64 grayLevel = 0;
 857                                 if ( !popVal( grayLevel, part ) ) {
 858                                     grayLevel = 0;
 859                                 }
 860                                 (*it)->_linkTone( *(onceMore->_colors[colorIndex]), percent, grayLevel );
 861                             }
 862                         }
 863                     }
 864
 865                 }
 866             }
 867         }
 868     }
 869 }
 870
 871
 872 void ColorItem::_linkTint( ColorItem& other, int percent )
 873 {
 874     if ( !_linkSrc )
 875     {
 876         other._listeners.push_back(this);
 877         _linkIsTone = false;
 878         _linkPercent = percent;
 879         if ( _linkPercent > 100 )
 880             _linkPercent = 100;
 881         if ( _linkPercent < 0 )
 882             _linkPercent = 0;
 883         _linkGray = 0;
 884         _linkSrc = &other;
 885
 886         ColorItem::_colorDefChanged(&other);
 887     }
 888 }
 889
 890 void ColorItem::_linkTone( ColorItem& other, int percent, int grayLevel )
 891 {
 892     if ( !_linkSrc )
 893     {
 894         other._listeners.push_back(this);
 895         _linkIsTone = true;
 896         _linkPercent = percent;
 897         if ( _linkPercent > 100 )
 898             _linkPercent = 100;
 899         if ( _linkPercent < 0 )
 900             _linkPercent = 0;
 901         _linkGray = grayLevel;
 902         _linkSrc = &other;
 903
 904         ColorItem::_colorDefChanged(&other);
 905     }
 906 }
 907
 908
 909 void _loadPaletteFile( gchar const *filename )
 910 {
 911     char block[1024];
 912     FILE *f = Inkscape::IO::fopen_utf8name( filename, "r" );
 913     if ( f ) {
 914         char* result = fgets( block, sizeof(block), f );
 915         if ( result ) {
 916             if ( strncmp( "GIMP Palette", block, 12 ) == 0 ) {
 917                 bool inHeader = true;
 918                 bool hasErr = false;
 919
 920                 JustForNow *onceMore = new JustForNow();
 921
 922                 do {
 923                     result = fgets( block, sizeof(block), f );
 924                     block[sizeof(block) - 1] = 0;
 925                     if ( result ) {
 926                         if ( block[0] == '#' ) {
 927                             // ignore comment
 928                         } else {
 929                             char *ptr = block;
 930                             // very simple check for header versus entry
 931                             while ( *ptr == ' ' || *ptr == '\t' ) {
 932                                 ptr++;
 933                             }
 934                             if ( (*ptr == 0) || (*ptr == '\r') || (*ptr == '\n') ) {
 935                                 // blank line. skip it.
 936                             } else if ( '0' <= *ptr && *ptr <= '9' ) {
 937                                 // should be an entry link
 938                                 inHeader = false;
 939                                 ptr = block;
 940                                 Glib::ustring name("");
 941                                 int r = 0;
 942                                 int g = 0;
 943                                 int b = 0;
 944                                 skipWhitespace(ptr);
 945                                 if ( *ptr ) {
 946                                     hasErr = parseNum(ptr, r);
 947                                     if ( !hasErr ) {
 948                                         skipWhitespace(ptr);
 949                                         hasErr = parseNum(ptr, g);
 950                                     }
 951                                     if ( !hasErr ) {
 952                                         skipWhitespace(ptr);
 953                                         hasErr = parseNum(ptr, b);
 954                                     }
 955                                     if ( !hasErr && *ptr ) {
 956                                         char* n = trim(ptr);
 957                                         if (n != NULL) {
 958                                             name = n;
 959                                         }
 960                                     }
 961                                     if ( !hasErr ) {
 962                                         // Add the entry now
 963                                         Glib::ustring nameStr(name);
 964                                         ColorItem* item = new ColorItem( r, g, b, nameStr );
 965                                         onceMore->_colors.push_back(item);
 966                                     }
 967                                 } else {
 968                                     hasErr = true;
 969                                 }
 970                             } else {
 971                                 if ( !inHeader ) {
 972                                     // Hmmm... probably bad. Not quite the format we want?
 973                                     hasErr = true;
 974                                 } else {
 975                                     char* sep = strchr(result, ':');
 976                                     if ( sep ) {
 977                                         *sep = 0;
 978                                         char* val = trim(sep + 1);
 979                                         char* name = trim(result);
 980                                         if ( *name ) {
 981                                             if ( strcmp( "Name", name ) == 0 )
 982                                             {
 983                                                 onceMore->_name = val;
 984                                             }
 985                                             else if ( strcmp( "Columns", name ) == 0 )
 986                                             {
 987                                                 gchar* endPtr = 0;
 988                                                 guint64 numVal = g_ascii_strtoull( val, &endPtr, 10 );
 989                                                 if ( (numVal == G_MAXUINT64) && (ERANGE == errno) ) {
 990                                                     // overflow
 991                                                 } else if ( (numVal == 0) && (endPtr == val) ) {
 992                                                     // failed conversion
 993                                                 } else {
 994                                                     onceMore->_prefWidth = numVal;
 995                                                 }
 996                                             }
 997                                         } else {
 998                                             // error
 999                                             hasErr = true;
1000                                         }
1001                                     } else {
1002                                         // error
1003                                         hasErr = true;
1004                                     }
1005                                 }
1006                             }
1007                         }
1008                     }
1009                 } while ( result && !hasErr );
1010                 if ( !hasErr ) {
1011                     possible.push_back(onceMore);
1012 #if ENABLE_MAGIC_COLORS
1013                     ColorItem::_wireMagicColors( onceMore );
1014 #endif // ENABLE_MAGIC_COLORS
1015                 } else {
1016                     delete onceMore;
1017                 }
1018             }
1019         }
1020
1021         fclose(f);
1022     }
1023 }
1024
1025 static void loadEmUp()
1026 {
1027     static bool beenHere = false;
1028     if ( !beenHere ) {
1029         beenHere = true;
1030
1031         std::list<gchar *> sources;
1032         sources.push_back( profile_path("palettes") );
1033         sources.push_back( g_strdup(INKSCAPE_PALETTESDIR) );
1034         sources.push_back( g_strdup(CREATE_PALETTESDIR) );
1035
1036         // Use this loop to iterate through a list of possible document locations.
1037         while (!sources.empty()) {
1038             gchar *dirname = sources.front();
1039
1040             if ( Inkscape::IO::file_test( dirname, G_FILE_TEST_EXISTS )
1041                 && Inkscape::IO::file_test( dirname, G_FILE_TEST_IS_DIR )) {
1042                 GError *err = 0;
1043                 GDir *directory = g_dir_open(dirname, 0, &err);
1044                 if (!directory) {
1045                     gchar *safeDir = Inkscape::IO::sanitizeString(dirname);
1046                     g_warning(_("Palettes directory (%s) is unavailable."), safeDir);
1047                     g_free(safeDir);
1048                 } else {
1049                     gchar *filename = 0;
1050                     while ((filename = (gchar *)g_dir_read_name(directory)) != NULL) {
1051                         gchar* lower = g_ascii_strdown( filename, -1 );
1052 //                        if ( g_str_has_suffix(lower, ".gpl") ) {
1053                             gchar* full = g_build_filename(dirname, filename, NULL);
1054                             if ( !Inkscape::IO::file_test( full, G_FILE_TEST_IS_DIR ) ) {
1055                                 _loadPaletteFile(full);
1056                             }
1057                             g_free(full);
1058 //                      }
1059                         g_free(lower);
1060                     }
1061                     g_dir_close(directory);
1062                 }
1063             }
1064
1065             // toss the dirname
1066             g_free(dirname);
1067             sources.pop_front();
1068         }
1069     }
1070 }
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080 SwatchesPanel& SwatchesPanel::getInstance()
1081 {
1082     return *new SwatchesPanel();
1083 }
1084
1085
1086 /**
1087  * Constructor
1088  */
1089 SwatchesPanel::SwatchesPanel(gchar const* prefsPath) :
1090     Inkscape::UI::Widget::Panel("", prefsPath, SP_VERB_DIALOG_SWATCHES, "", true),
1091     _holder(0)
1092 {
1093     Gtk::RadioMenuItem* hotItem = 0;
1094     _holder = new PreviewHolder();
1095     _remove = new ColorItem();
1096     loadEmUp();
1097     if ( !possible.empty() ) {
1098         JustForNow* first = 0;
1099         Glib::ustring targetName;
1100         if ( !_prefs_path.empty() ) {
1101             Inkscape::Preferences *prefs = Inkscape::Preferences::get();
1102             targetName = prefs->getString(_prefs_path + "/palette");
1103             if (!targetName.empty()) {
1104                 for ( std::vector<JustForNow*>::iterator iter = possible.begin(); iter != possible.end(); ++iter ) {
1105                     if ( (*iter)->_name == targetName ) {
1106                         first = *iter;
1107                         break;
1108                     }
1109                 }
1110             }
1111         }
1112
1113         if ( !first ) {
1114             first = possible.front();
1115         }
1116
1117         if ( first->_prefWidth > 0 ) {
1118             _holder->setColumnPref( first->_prefWidth );
1119         }
1120         _holder->freezeUpdates();
1121         _holder->addPreview(_remove);
1122         for ( std::vector<ColorItem*>::iterator it = first->_colors.begin(); it != first->_colors.end(); it++ ) {
1123             _holder->addPreview(*it);
1124         }
1125         _holder->thawUpdates();
1126
1127         Gtk::RadioMenuItem::Group groupOne;
1128
1129         int i = 0;
1130         for ( std::vector<JustForNow*>::iterator it = possible.begin(); it != possible.end(); it++ ) {
1131             JustForNow* curr = *it;
1132             Gtk::RadioMenuItem* single = manage(new Gtk::RadioMenuItem(groupOne, curr->_name));
1133             if ( curr == first ) {
1134                 hotItem = single;
1135             }
1136             _regItem( single, 3, i );
1137             i++;
1138         }
1139     }
1140
1141
1142     _getContents()->pack_start(*_holder, Gtk::PACK_EXPAND_WIDGET);
1143     _setTargetFillable(_holder);
1144
1145     show_all_children();
1146
1147     restorePanelPrefs();
1148     if ( hotItem ) {
1149         hotItem->set_active();
1150     }
1151 }
1152
1153 SwatchesPanel::~SwatchesPanel()
1154 {
1155     if (_remove) delete _remove;
1156     if (_holder) delete _holder;
1157 }
1158
1159 void SwatchesPanel::setOrientation( Gtk::AnchorType how )
1160 {
1161     // Must call the parent class or bad things might happen
1162     Inkscape::UI::Widget::Panel::setOrientation( how );
1163
1164     if ( _holder )
1165     {
1166         _holder->setOrientation( Gtk::ANCHOR_SOUTH );
1167     }
1168 }
1169
1170 void SwatchesPanel::_handleAction( int setId, int itemId )
1171 {
1172     switch( setId ) {
1173         case 3:
1174         {
1175             if ( itemId >= 0 && itemId < static_cast<int>(possible.size()) ) {
1176                 _holder->clear();
1177                 JustForNow* curr = possible[itemId];
1178
1179                 if ( !_prefs_path.empty() ) {
1180                     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
1181                     prefs->setString(_prefs_path + "/palette", curr->_name);
1182                 }
1183
1184                 if ( curr->_prefWidth > 0 ) {
1185                     _holder->setColumnPref( curr->_prefWidth );
1186                 }
1187                 _holder->freezeUpdates();
1188                 _holder->addPreview(_remove);
1189                 for ( std::vector<ColorItem*>::iterator it = curr->_colors.begin(); it != curr->_colors.end(); it++ ) {
1190                     _holder->addPreview(*it);
1191                 }
1192                 _holder->thawUpdates();
1193             }
1194         }
1195         break;
1196     }
1197 }
1198
1199 } //namespace Dialogs
1200 } //namespace UI
1201 } //namespace Inkscape
1202
1203
1204 /*
1205   Local Variables:
1206   mode:c++
1207   c-file-style:"stroustrup"
1208   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1209   indent-tabs-mode:nil
1210   fill-column:99
1211   End:
1212 */
1213 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :