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