src/dialogs/swatches.cpp

   1 /*
   2  * A simple panel for color swatches
   3  *
   4  * Authors:
   5  *   Jon A. Cruz
   6  *   John Bintz
   7  *
   8  * Copyright (C) 2005 Jon A. Cruz
   9  * Copyright (C) 2008 John Bintz
  10  *
  11  * Released under GNU GPL, read the file 'COPYING' for more information
  12  */
  13 #ifdef HAVE_CONFIG_H
  14 # include <config.h>
  15 #endif
  16
  17 #include <errno.h>
  18
  19 #include <gtk/gtkdialog.h> //for GTK_RESPONSE* types
  20 #include <gtk/gtkdnd.h>
  21 #include <gtk/gtkmenu.h>
  22 #include <gtk/gtkmenuitem.h>
  23 #include <gtk/gtkseparatormenuitem.h>
  24
  25 #include <glibmm/i18n.h>
  26 #include <gdkmm/pixbuf.h>
  27 #include "inkscape.h"
  28 #include "desktop.h"
  29 #include "message-context.h"
  30 #include "document.h"
  31 #include "desktop-handles.h"
  32 #include "extension/db.h"
  33 #include "inkscape.h"
  34 #include "svg/svg-color.h"
  35 #include "desktop-style.h"
  36 #include "io/sys.h"
  37 #include "path-prefix.h"
  38 #include "swatches.h"
  39 #include "sp-item.h"
  40 #include "preferences.h"
  41
  42 #include "eek-preview.h"
  43
  44 namespace Inkscape {
  45 namespace UI {
  46 namespace Dialogs {
  47
  48
  49 ColorItem::ColorItem( unsigned int r, unsigned int g, unsigned int b, Glib::ustring& name ) :
  50     def( r, g, b, name ),
  51     _isLive(false),
  52     _linkIsTone(false),
  53     _linkPercent(0),
  54     _linkGray(0),
  55     _linkSrc(0)
  56 {
  57 }
  58
  59 ColorItem::~ColorItem()
  60 {
  61 }
  62
  63 ColorItem::ColorItem(ColorItem const &other) :
  64     Inkscape::UI::Previewable()
  65 {
  66     if ( this != &other ) {
  67         *this = other;
  68     }
  69 }
  70
  71 ColorItem &ColorItem::operator=(ColorItem const &other)
  72 {
  73     if ( this != &other ) {
  74         def = other.def;
  75
  76         // TODO - correct linkage
  77         _linkSrc = other._linkSrc;
  78         g_message("Erk!");
  79     }
  80     return *this;
  81 }
  82
  83
  84 class JustForNow
  85 {
  86 public:
  87     JustForNow() : _prefWidth(0) {}
  88
  89     Glib::ustring _name;
  90     int _prefWidth;
  91     std::vector<ColorItem*> _colors;
  92 };
  93
  94 static std::vector<JustForNow*> possible;
  95
  96
  97
  98 typedef enum {
  99     APP_X_INKY_COLOR_ID = 0,
 100     APP_X_INKY_COLOR = 0,
 101     APP_X_COLOR,
 102     TEXT_DATA
 103 } colorFlavorType;
 104
 105 static const GtkTargetEntry sourceColorEntries[] = {
 106 #if ENABLE_MAGIC_COLORS
 107 //    {"application/x-inkscape-color-id", GTK_TARGET_SAME_APP, APP_X_INKY_COLOR_ID},
 108     {"application/x-inkscape-color", 0, APP_X_INKY_COLOR},
 109 #endif // ENABLE_MAGIC_COLORS
 110     {"application/x-color", 0, APP_X_COLOR},
 111     {"text/plain", 0, TEXT_DATA},
 112 };
 113
 114 void ColorItem::_dragGetColorData( GtkWidget *widget,
 115                                    GdkDragContext *drag_context,
 116                                    GtkSelectionData *data,
 117                                    guint info,
 118                                    guint time,
 119                                    gpointer user_data)
 120 {
 121     (void)widget;
 122     (void)drag_context;
 123     (void)time;
 124     static GdkAtom typeXColor = gdk_atom_intern("application/x-color", FALSE);
 125     static GdkAtom typeText = gdk_atom_intern("text/plain", FALSE);
 126
 127     ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
 128     if ( info == TEXT_DATA ) {
 129         gchar* tmp = g_strdup_printf("#%02x%02x%02x", item->def.getR(), item->def.getG(), item->def.getB() );
 130
 131         gtk_selection_data_set( data,
 132                                 typeText,
 133                                 8, // format
 134                                 (guchar*)tmp,
 135                                 strlen((const char*)tmp) + 1);
 136         g_free(tmp);
 137         tmp = 0;
 138     } else if ( info == APP_X_INKY_COLOR ) {
 139         Glib::ustring paletteName;
 140
 141         // Find where this thing came from
 142         bool found = false;
 143         int index = 0;
 144         for ( std::vector<JustForNow*>::iterator it = possible.begin(); it != possible.end() && !found; ++it ) {
 145             JustForNow* curr = *it;
 146             index = 0;
 147             for ( std::vector<ColorItem*>::iterator zz = curr->_colors.begin(); zz != curr->_colors.end(); ++zz ) {
 148                 if ( item == *zz ) {
 149                     found = true;
 150                     paletteName = curr->_name;
 151                     break;
 152                 } else {
 153                     index++;
 154                 }
 155             }
 156         }
 157
 158 //         if ( found ) {
 159 //             g_message("Found the color at entry %d in palette '%s'", index, paletteName.c_str() );
 160 //         } else {
 161 //             g_message("Unable to find the color");
 162 //         }
 163         int itemCount = 4 + 2 + 1 + paletteName.length();
 164
 165         guint16* tmp = new guint16[itemCount];
 166         tmp[0] = (item->def.getR() << 8) | item->def.getR();
 167         tmp[1] = (item->def.getG() << 8) | item->def.getG();
 168         tmp[2] = (item->def.getB() << 8) | item->def.getB();
 169         tmp[3] = 0xffff;
 170         tmp[4] = (item->_isLive || !item->_listeners.empty() || (item->_linkSrc != 0) ) ? 1 : 0;
 171
 172         tmp[5] = index;
 173         tmp[6] = paletteName.length();
 174         for ( unsigned int i = 0; i < paletteName.length(); i++ ) {
 175             tmp[7 + i] = paletteName[i];
 176         }
 177         gtk_selection_data_set( data,
 178                                 typeXColor,
 179                                 16, // format
 180                                 reinterpret_cast<const guchar*>(tmp),
 181                                 itemCount * 2);
 182         delete[] tmp;
 183     } else {
 184         guint16 tmp[4];
 185         tmp[0] = (item->def.getR() << 8) | item->def.getR();
 186         tmp[1] = (item->def.getG() << 8) | item->def.getG();
 187         tmp[2] = (item->def.getB() << 8) | item->def.getB();
 188         tmp[3] = 0xffff;
 189         gtk_selection_data_set( data,
 190                                 typeXColor,
 191                                 16, // format
 192                                 reinterpret_cast<const guchar*>(tmp),
 193                                 (3+1) * 2);
 194     }
 195 }
 196
 197 static void dragBegin( GtkWidget *widget, GdkDragContext* dc, gpointer data )
 198 {
 199     (void)widget;
 200     ColorItem* item = reinterpret_cast<ColorItem*>(data);
 201     if ( item )
 202     {
 203         Glib::RefPtr<Gdk::Pixbuf> thumb = Gdk::Pixbuf::create( Gdk::COLORSPACE_RGB, false, 8, 32, 24 );
 204         guint32 fillWith = (0xff000000 & (item->def.getR() << 24))
 205                          | (0x00ff0000 & (item->def.getG() << 16))
 206                          | (0x0000ff00 & (item->def.getB() <<  8));
 207         thumb->fill( fillWith );
 208         gtk_drag_set_icon_pixbuf( dc, thumb->gobj(), 0, 0 );
 209     }
 210
 211 }
 212
 213 //"drag-drop"
 214 // gboolean dragDropColorData( GtkWidget *widget,
 215 //                             GdkDragContext *drag_context,
 216 //                             gint x,
 217 //                             gint y,
 218 //                             guint time,
 219 //                             gpointer user_data)
 220 // {
 221 // // TODO finish
 222
 223 //     return TRUE;
 224 // }
 225
 226 static void handleClick( GtkWidget* widget, gpointer callback_data ) {
 227     (void)widget;
 228     ColorItem* item = reinterpret_cast<ColorItem*>(callback_data);
 229     if ( item ) {
 230         item->buttonClicked(false);
 231     }
 232 }
 233
 234 static void handleSecondaryClick( GtkWidget* widget, gint arg1, gpointer callback_data ) {
 235     (void)widget;
 236     (void)arg1;
 237     ColorItem* item = reinterpret_cast<ColorItem*>(callback_data);
 238     if ( item ) {
 239         item->buttonClicked(true);
 240     }
 241 }
 242
 243 static gboolean handleEnterNotify( GtkWidget* /*widget*/, GdkEventCrossing* /*event*/, gpointer callback_data ) {
 244     ColorItem* item = reinterpret_cast<ColorItem*>(callback_data);
 245     if ( item ) {
 246         SPDesktop *desktop = SP_ACTIVE_DESKTOP;
 247         if ( desktop ) {
 248             gchar* msg = g_strdup_printf(_("Color: <b>%s</b>; <b>Click</b> to set fill, <b>Shift+click</b> to set stroke"),
 249                                          item->def.descr.c_str());
 250             desktop->tipsMessageContext()->set(Inkscape::INFORMATION_MESSAGE, msg);
 251             g_free(msg);
 252         }
 253     }
 254     return FALSE;
 255 }
 256
 257 static gboolean handleLeaveNotify( GtkWidget* /*widget*/, GdkEventCrossing* /*event*/, gpointer callback_data ) {
 258     ColorItem* item = reinterpret_cast<ColorItem*>(callback_data);
 259     if ( item ) {
 260         SPDesktop *desktop = SP_ACTIVE_DESKTOP;
 261         if ( desktop ) {
 262             desktop->tipsMessageContext()->clear();
 263         }
 264     }
 265     return FALSE;
 266 }
 267
 268 static GtkWidget* popupMenu = 0;
 269 static ColorItem* bounceTarget = 0;
 270
 271 static void redirClick( GtkMenuItem *menuitem, gpointer user_data )
 272 {
 273     (void)user_data;
 274     if ( bounceTarget ) {
 275         handleClick( GTK_WIDGET(menuitem), bounceTarget );
 276     }
 277 }
 278
 279 static void redirSecondaryClick( GtkMenuItem *menuitem, gpointer user_data )
 280 {
 281     (void)user_data;
 282     if ( bounceTarget ) {
 283         handleSecondaryClick( GTK_WIDGET(menuitem), 0, bounceTarget );
 284     }
 285 }
 286
 287 static gboolean handleButtonPress( GtkWidget* widget, GdkEventButton* event, gpointer user_data)
 288 {
 289     (void)widget;
 290     gboolean handled = FALSE;
 291
 292     if ( (event->button == 3) && (event->type == GDK_BUTTON_PRESS) ) {
 293         if ( !popupMenu ) {
 294             popupMenu = gtk_menu_new();
 295             GtkWidget* child = 0;
 296
 297             //TRANSLATORS: An item in context menu on a colour in the swatches
 298             child = gtk_menu_item_new_with_label(_("Set fill"));
 299             g_signal_connect( G_OBJECT(child),
 300                               "activate",
 301                               G_CALLBACK(redirClick),
 302                               user_data);
 303             gtk_menu_shell_append(GTK_MENU_SHELL(popupMenu), child);
 304
 305             //TRANSLATORS: An item in context menu on a colour in the swatches
 306             child = gtk_menu_item_new_with_label(_("Set stroke"));
 307
 308             g_signal_connect( G_OBJECT(child),
 309                               "activate",
 310                               G_CALLBACK(redirSecondaryClick),
 311                               user_data);
 312             gtk_menu_shell_append(GTK_MENU_SHELL(popupMenu), child);
 313
 314             gtk_widget_show_all(popupMenu);
 315         }
 316
 317         ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
 318         if ( item ) {
 319             bounceTarget = item;
 320             if ( popupMenu ) {
 321                 gtk_menu_popup(GTK_MENU(popupMenu), NULL, NULL, NULL, NULL, event->button, event->time);
 322                 handled = TRUE;
 323             }
 324         }
 325     }
 326
 327     return handled;
 328 }
 329
 330 static void dieDieDie( GtkObject *obj, gpointer user_data )
 331 {
 332     g_message("die die die %p  %p", obj, user_data );
 333 }
 334
 335 static const GtkTargetEntry destColorTargets[] = {
 336 #if ENABLE_MAGIC_COLORS
 337 //    {"application/x-inkscape-color-id", GTK_TARGET_SAME_APP, APP_X_INKY_COLOR_ID},
 338     {"application/x-inkscape-color", 0, APP_X_INKY_COLOR},
 339 #endif // ENABLE_MAGIC_COLORS
 340     {"application/x-color", 0, APP_X_COLOR},
 341 };
 342
 343 #include "color.h" // for SP_RGBA32_U_COMPOSE
 344
 345 void ColorItem::_dropDataIn( GtkWidget *widget,
 346                              GdkDragContext *drag_context,
 347                              gint x, gint y,
 348                              GtkSelectionData *data,
 349                              guint info,
 350                              guint event_time,
 351                              gpointer user_data)
 352 {
 353     (void)widget;
 354     (void)drag_context;
 355     (void)x;
 356     (void)y;
 357     (void)event_time;
 358 //     g_message("    droppy droppy   %d", info);
 359      switch (info) {
 360          case APP_X_INKY_COLOR:
 361          {
 362              if ( data->length >= 8 ) {
 363                  // Careful about endian issues.
 364                  guint16* dataVals = (guint16*)data->data;
 365                  if ( user_data ) {
 366                      ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
 367                      if ( item->def.isEditable() ) {
 368                          // Shove on in the new value
 369                          item->def.setRGB( 0x0ff & (dataVals[0] >> 8), 0x0ff & (dataVals[1] >> 8), 0x0ff & (dataVals[2] >> 8) );
 370                      }
 371                  }
 372              }
 373              break;
 374          }
 375          case APP_X_COLOR:
 376          {
 377              if ( data->length == 8 ) {
 378                  // Careful about endian issues.
 379                  guint16* dataVals = (guint16*)data->data;
 380 //                  {
 381 //                      gchar c[64] = {0};
 382 //                      sp_svg_write_color( c, 64,
 383 //                                          SP_RGBA32_U_COMPOSE(
 384 //                                              0x0ff & (dataVals[0] >> 8),
 385 //                                              0x0ff & (dataVals[1] >> 8),
 386 //                                              0x0ff & (dataVals[2] >> 8),
 387 //                                              0xff // can't have transparency in the color itself
 388 //                                              //0x0ff & (data->data[3] >> 8),
 389 //                                              ));
 390 //                  }
 391                  if ( user_data ) {
 392                      ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
 393                      if ( item->def.isEditable() ) {
 394                          // Shove on in the new value
 395                          item->def.setRGB( 0x0ff & (dataVals[0] >> 8), 0x0ff & (dataVals[1] >> 8), 0x0ff & (dataVals[2] >> 8) );
 396                      }
 397                  }
 398              }
 399              break;
 400          }
 401          default:
 402              g_message("unknown drop type");
 403      }
 404
 405 }
 406
 407 static bool bruteForce( SPDocument* document, Inkscape::XML::Node* node, Glib::ustring const& match, int r, int g, int b )
 408 {
 409     bool changed = false;
 410
 411     if ( node ) {
 412         gchar const * val = node->attribute("inkscape:x-fill-tag");
 413         if ( val  && (match == val) ) {
 414             SPObject *obj = document->getObjectByRepr( node );
 415
 416             gchar c[64] = {0};
 417             sp_svg_write_color( c, sizeof(c), SP_RGBA32_U_COMPOSE( r, g, b, 0xff ) );
 418             SPCSSAttr *css = sp_repr_css_attr_new();
 419             sp_repr_css_set_property( css, "fill", c );
 420
 421             sp_desktop_apply_css_recursive( (SPItem*)obj, css, true );
 422             ((SPItem*)obj)->updateRepr();
 423
 424             changed = true;
 425         }
 426
 427         val = node->attribute("inkscape:x-stroke-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, "stroke", c );
 435
 436             sp_desktop_apply_css_recursive( (SPItem*)obj, css, true );
 437             ((SPItem*)obj)->updateRepr();
 438
 439             changed = true;
 440         }
 441
 442         Inkscape::XML::Node* first = node->firstChild();
 443         changed |= bruteForce( document, first, match, r, g, b );
 444
 445         changed |= bruteForce( document, node->next(), match, r, g, b );
 446     }
 447
 448     return changed;
 449 }
 450
 451 void ColorItem::_colorDefChanged(void* data)
 452 {
 453     ColorItem* item = reinterpret_cast<ColorItem*>(data);
 454     if ( item ) {
 455         for ( std::vector<Gtk::Widget*>::iterator it =  item->_previews.begin(); it != item->_previews.end(); ++it ) {
 456             Gtk::Widget* widget = *it;
 457             if ( IS_EEK_PREVIEW(widget->gobj()) ) {
 458                 EekPreview * preview = EEK_PREVIEW(widget->gobj());
 459                 eek_preview_set_color( preview,
 460                                        (item->def.getR() << 8) | item->def.getR(),
 461                                        (item->def.getG() << 8) | item->def.getG(),
 462                                        (item->def.getB() << 8) | item->def.getB() );
 463
 464                 eek_preview_set_linked( preview, (LinkType)((item->_linkSrc ? PREVIEW_LINK_IN:0)
 465                                                             | (item->_listeners.empty() ? 0:PREVIEW_LINK_OUT)
 466                                                             | (item->_isLive ? PREVIEW_LINK_OTHER:0)) );
 467
 468                 widget->queue_draw();
 469             }
 470         }
 471
 472         for ( std::vector<ColorItem*>::iterator it = item->_listeners.begin(); it != item->_listeners.end(); ++it ) {
 473             guint r = item->def.getR();
 474             guint g = item->def.getG();
 475             guint b = item->def.getB();
 476
 477             if ( (*it)->_linkIsTone ) {
 478                 r = ( ((*it)->_linkPercent * (*it)->_linkGray) + ((100 - (*it)->_linkPercent) * r) ) / 100;
 479                 g = ( ((*it)->_linkPercent * (*it)->_linkGray) + ((100 - (*it)->_linkPercent) * g) ) / 100;
 480                 b = ( ((*it)->_linkPercent * (*it)->_linkGray) + ((100 - (*it)->_linkPercent) * b) ) / 100;
 481             } else {
 482                 r = ( ((*it)->_linkPercent * 255) + ((100 - (*it)->_linkPercent) * r) ) / 100;
 483                 g = ( ((*it)->_linkPercent * 255) + ((100 - (*it)->_linkPercent) * g) ) / 100;
 484                 b = ( ((*it)->_linkPercent * 255) + ((100 - (*it)->_linkPercent) * b) ) / 100;
 485             }
 486
 487             (*it)->def.setRGB( r, g, b );
 488         }
 489
 490
 491         // Look for objects using this color
 492         {
 493             SPDesktop *desktop = SP_ACTIVE_DESKTOP;
 494             if ( desktop ) {
 495                 SPDocument* document = sp_desktop_document( desktop );
 496                 Inkscape::XML::Node *rroot =  sp_document_repr_root( document );
 497                 if ( rroot ) {
 498
 499                     // Find where this thing came from
 500                     Glib::ustring paletteName;
 501                     bool found = false;
 502                     int index = 0;
 503                     for ( std::vector<JustForNow*>::iterator it2 = possible.begin(); it2 != possible.end() && !found; ++it2 ) {
 504                         JustForNow* curr = *it2;
 505                         index = 0;
 506                         for ( std::vector<ColorItem*>::iterator zz = curr->_colors.begin(); zz != curr->_colors.end(); ++zz ) {
 507                             if ( item == *zz ) {
 508                                 found = true;
 509                                 paletteName = curr->_name;
 510                                 break;
 511                             } else {
 512                                 index++;
 513                             }
 514                         }
 515                     }
 516
 517                     if ( !paletteName.empty() ) {
 518                         gchar* str = g_strdup_printf("%d|", index);
 519                         paletteName.insert( 0, str );
 520                         g_free(str);
 521                         str = 0;
 522
 523                         if ( bruteForce( document, rroot, paletteName, item->def.getR(), item->def.getG(), item->def.getB() ) ) {
 524                             sp_document_done( document , SP_VERB_DIALOG_SWATCHES,
 525                                               _("Change color definition"));
 526                         }
 527                     }
 528                 }
 529             }
 530         }
 531     }
 532 }
 533
 534
 535 Gtk::Widget* ColorItem::getPreview(PreviewStyle style, ViewType view, ::PreviewSize size, guint ratio)
 536 {
 537     Gtk::Widget* widget = 0;
 538     if ( style == PREVIEW_STYLE_BLURB ) {
 539         Gtk::Label *lbl = new Gtk::Label(def.descr);
 540         lbl->set_alignment(Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER);
 541         widget = lbl;
 542     } else {
 543 //         Glib::ustring blank("          ");
 544 //         if ( size == Inkscape::ICON_SIZE_MENU || size == Inkscape::ICON_SIZE_DECORATION ) {
 545 //             blank = " ";
 546 //         }
 547
 548         GtkWidget* eekWidget = eek_preview_new();
 549         EekPreview * preview = EEK_PREVIEW(eekWidget);
 550         Gtk::Widget* newBlot = Glib::wrap(eekWidget);
 551
 552         eek_preview_set_color( preview, (def.getR() << 8) | def.getR(), (def.getG() << 8) | def.getG(), (def.getB() << 8) | def.getB());
 553
 554         eek_preview_set_details( preview, (::PreviewStyle)style, (::ViewType)view, (::PreviewSize)size, ratio );
 555         eek_preview_set_linked( preview, (LinkType)((_linkSrc ? PREVIEW_LINK_IN:0)
 556                                                     | (_listeners.empty() ? 0:PREVIEW_LINK_OUT)
 557                                                     | (_isLive ? PREVIEW_LINK_OTHER:0)) );
 558
 559         def.addCallback( _colorDefChanged, this );
 560
 561         GValue val = {0, {{0}, {0}}};
 562         g_value_init( &val, G_TYPE_BOOLEAN );
 563         g_value_set_boolean( &val, FALSE );
 564         g_object_set_property( G_OBJECT(preview), "focus-on-click", &val );
 565
 566 /*
 567         Gtk::Button *btn = new Gtk::Button(blank);
 568         Gdk::Color color;
 569         color.set_rgb((_r << 8)|_r, (_g << 8)|_g, (_b << 8)|_b);
 570         btn->modify_bg(Gtk::STATE_NORMAL, color);
 571         btn->modify_bg(Gtk::STATE_ACTIVE, color);
 572         btn->modify_bg(Gtk::STATE_PRELIGHT, color);
 573         btn->modify_bg(Gtk::STATE_SELECTED, color);
 574
 575         Gtk::Widget* newBlot = btn;
 576 */
 577
 578         tips.set_tip((*newBlot), def.descr);
 579
 580 /*
 581         newBlot->signal_clicked().connect( sigc::mem_fun(*this, &ColorItem::buttonClicked) );
 582
 583         sigc::signal<void> type_signal_something;
 584 */
 585
 586         g_signal_connect( G_OBJECT(newBlot->gobj()),
 587                           "clicked",
 588                           G_CALLBACK(handleClick),
 589                           this);
 590
 591         g_signal_connect( G_OBJECT(newBlot->gobj()),
 592                           "alt-clicked",
 593                           G_CALLBACK(handleSecondaryClick),
 594                           this);
 595
 596         g_signal_connect( G_OBJECT(newBlot->gobj()),
 597                           "button-press-event",
 598                           G_CALLBACK(handleButtonPress),
 599                           this);
 600
 601         gtk_drag_source_set( GTK_WIDGET(newBlot->gobj()),
 602                              GDK_BUTTON1_MASK,
 603                              sourceColorEntries,
 604                              G_N_ELEMENTS(sourceColorEntries),
 605                              GdkDragAction(GDK_ACTION_MOVE | GDK_ACTION_COPY) );
 606
 607         g_signal_connect( G_OBJECT(newBlot->gobj()),
 608                           "drag-data-get",
 609                           G_CALLBACK(ColorItem::_dragGetColorData),
 610                           this);
 611
 612         g_signal_connect( G_OBJECT(newBlot->gobj()),
 613                           "drag-begin",
 614                           G_CALLBACK(dragBegin),
 615                           this );
 616
 617         g_signal_connect( G_OBJECT(newBlot->gobj()),
 618                           "enter-notify-event",
 619                           G_CALLBACK(handleEnterNotify),
 620                           this);
 621
 622         g_signal_connect( G_OBJECT(newBlot->gobj()),
 623                           "leave-notify-event",
 624                           G_CALLBACK(handleLeaveNotify),
 625                           this);
 626
 627 //         g_signal_connect( G_OBJECT(newBlot->gobj()),
 628 //                           "drag-drop",
 629 //                           G_CALLBACK(dragDropColorData),
 630 //                           this);
 631
 632         if ( def.isEditable() )
 633         {
 634             gtk_drag_dest_set( GTK_WIDGET(newBlot->gobj()),
 635                                GTK_DEST_DEFAULT_ALL,
 636                                destColorTargets,
 637                                G_N_ELEMENTS(destColorTargets),
 638                                GdkDragAction(GDK_ACTION_COPY | GDK_ACTION_MOVE) );
 639
 640
 641             g_signal_connect( G_OBJECT(newBlot->gobj()),
 642                               "drag-data-received",
 643                               G_CALLBACK(_dropDataIn),
 644                               this );
 645         }
 646
 647         g_signal_connect( G_OBJECT(newBlot->gobj()),
 648                           "destroy",
 649                           G_CALLBACK(dieDieDie),
 650                           this);
 651
 652
 653         widget = newBlot;
 654     }
 655
 656     _previews.push_back( widget );
 657
 658     return widget;
 659 }
 660
 661 void ColorItem::buttonClicked(bool secondary)
 662 {
 663     SPDesktop *desktop = SP_ACTIVE_DESKTOP;
 664     if (desktop) {
 665         char const * attrName = secondary ? "stroke" : "fill";
 666         guint32 rgba = (def.getR() << 24) | (def.getG() << 16) | (def.getB() << 8) | 0xff;
 667         gchar c[64];
 668         sp_svg_write_color(c, sizeof(c), rgba);
 669
 670         SPCSSAttr *css = sp_repr_css_attr_new();
 671         sp_repr_css_set_property( css, attrName, c );
 672         sp_desktop_set_style(desktop, css);
 673
 674         sp_repr_css_attr_unref(css);
 675         sp_document_done (sp_desktop_document (desktop), SP_VERB_DIALOG_SWATCHES,
 676                           secondary? _("Set stroke color from swatch") : _("Set fill color from swatch"));
 677     }
 678 }
 679
 680
 681
 682
 683 static char* trim( char* str ) {
 684     char* ret = str;
 685     while ( *str && (*str == ' ' || *str == '\t') ) {
 686         str++;
 687     }
 688     ret = str;
 689     while ( *str ) {
 690         str++;
 691     }
 692     str--;
 693     while ( str > ret && ( *str == ' ' || *str == '\t' ) || *str == '\r' || *str == '\n' ) {
 694         *str-- = 0;
 695     }
 696     return ret;
 697 }
 698
 699 void skipWhitespace( char*& str ) {
 700     while ( *str == ' ' || *str == '\t' ) {
 701         str++;
 702     }
 703 }
 704
 705 bool parseNum( char*& str, int& val ) {
 706     val = 0;
 707     while ( '0' <= *str && *str <= '9' ) {
 708         val = val * 10 + (*str - '0');
 709         str++;
 710     }
 711     bool retval = !(*str == 0 || *str == ' ' || *str == '\t' || *str == '\r' || *str == '\n');
 712     return retval;
 713 }
 714
 715
 716 static bool getBlock( std::string& dst, guchar ch, std::string const str )
 717 {
 718     bool good = false;
 719     std::string::size_type pos = str.find(ch);
 720     if ( pos != std::string::npos )
 721     {
 722         std::string::size_type pos2 = str.find( '(', pos );
 723         if ( pos2 != std::string::npos ) {
 724             std::string::size_type endPos = str.find( ')', pos2 );
 725             if ( endPos != std::string::npos ) {
 726                 dst = str.substr( pos2 + 1, (endPos - pos2 - 1) );
 727                 good = true;
 728             }
 729         }
 730     }
 731     return good;
 732 }
 733
 734 static bool popVal( guint64& numVal, std::string& str )
 735 {
 736     bool good = false;
 737     std::string::size_type endPos = str.find(',');
 738     if ( endPos == std::string::npos ) {
 739         endPos = str.length();
 740     }
 741
 742     if ( endPos != std::string::npos && endPos > 0 ) {
 743         std::string xxx = str.substr( 0, endPos );
 744         const gchar* ptr = xxx.c_str();
 745         gchar* endPtr = 0;
 746         numVal = g_ascii_strtoull( ptr, &endPtr, 10 );
 747         if ( (numVal == G_MAXUINT64) && (ERANGE == errno) ) {
 748             // overflow
 749         } else if ( (numVal == 0) && (endPtr == ptr) ) {
 750             // failed conversion
 751         } else {
 752             good = true;
 753             str.erase( 0, endPos + 1 );
 754         }
 755     }
 756
 757     return good;
 758 }
 759
 760 void ColorItem::_wireMagicColors( void* p )
 761 {
 762     JustForNow* onceMore = reinterpret_cast<JustForNow*>(p);
 763     if ( onceMore )
 764     {
 765         for ( std::vector<ColorItem*>::iterator it = onceMore->_colors.begin(); it != onceMore->_colors.end(); ++it )
 766         {
 767             std::string::size_type pos = (*it)->def.descr.find("*{");
 768             if ( pos != std::string::npos )
 769             {
 770                 std::string subby = (*it)->def.descr.substr( pos + 2 );
 771                 std::string::size_type endPos = subby.find("}*");
 772                 if ( endPos != std::string::npos )
 773                 {
 774                     subby.erase( endPos );
 775                     //g_message("FOUND MAGIC at '%s'", (*it)->def.descr.c_str());
 776                     //g_message("               '%s'", subby.c_str());
 777
 778                     if ( subby.find('E') != std::string::npos )
 779                     {
 780                         (*it)->def.setEditable( true );
 781                     }
 782
 783                     if ( subby.find('L') != std::string::npos )
 784                     {
 785                         (*it)->_isLive = true;
 786                     }
 787
 788                     std::string part;
 789                     // Tint. index + 1 more val.
 790                     if ( getBlock( part, 'T', subby ) ) {
 791                         guint64 colorIndex = 0;
 792                         if ( popVal( colorIndex, part ) ) {
 793                             guint64 percent = 0;
 794                             if ( popVal( percent, part ) ) {
 795                                 (*it)->_linkTint( *(onceMore->_colors[colorIndex]), percent );
 796                             }
 797                         }
 798                     }
 799
 800                     // Shade/tone. index + 1 or 2 more val.
 801                     if ( getBlock( part, 'S', subby ) ) {
 802                         guint64 colorIndex = 0;
 803                         if ( popVal( colorIndex, part ) ) {
 804                             guint64 percent = 0;
 805                             if ( popVal( percent, part ) ) {
 806                                 guint64 grayLevel = 0;
 807                                 if ( !popVal( grayLevel, part ) ) {
 808                                     grayLevel = 0;
 809                                 }
 810                                 (*it)->_linkTone( *(onceMore->_colors[colorIndex]), percent, grayLevel );
 811                             }
 812                         }
 813                     }
 814
 815                 }
 816             }
 817         }
 818     }
 819 }
 820
 821
 822 void ColorItem::_linkTint( ColorItem& other, int percent )
 823 {
 824     if ( !_linkSrc )
 825     {
 826         other._listeners.push_back(this);
 827         _linkIsTone = false;
 828         _linkPercent = percent;
 829         if ( _linkPercent > 100 )
 830             _linkPercent = 100;
 831         if ( _linkPercent < 0 )
 832             _linkPercent = 0;
 833         _linkGray = 0;
 834         _linkSrc = &other;
 835
 836         ColorItem::_colorDefChanged(&other);
 837     }
 838 }
 839
 840 void ColorItem::_linkTone( ColorItem& other, int percent, int grayLevel )
 841 {
 842     if ( !_linkSrc )
 843     {
 844         other._listeners.push_back(this);
 845         _linkIsTone = true;
 846         _linkPercent = percent;
 847         if ( _linkPercent > 100 )
 848             _linkPercent = 100;
 849         if ( _linkPercent < 0 )
 850             _linkPercent = 0;
 851         _linkGray = grayLevel;
 852         _linkSrc = &other;
 853
 854         ColorItem::_colorDefChanged(&other);
 855     }
 856 }
 857
 858
 859 void _loadPaletteFile( gchar const *filename )
 860 {
 861     char block[1024];
 862     FILE *f = Inkscape::IO::fopen_utf8name( filename, "r" );
 863     if ( f ) {
 864         char* result = fgets( block, sizeof(block), f );
 865         if ( result ) {
 866             if ( strncmp( "GIMP Palette", block, 12 ) == 0 ) {
 867                 bool inHeader = true;
 868                 bool hasErr = false;
 869
 870                 JustForNow *onceMore = new JustForNow();
 871
 872                 do {
 873                     result = fgets( block, sizeof(block), f );
 874                     block[sizeof(block) - 1] = 0;
 875                     if ( result ) {
 876                         if ( block[0] == '#' ) {
 877                             // ignore comment
 878                         } else {
 879                             char *ptr = block;
 880                             // very simple check for header versus entry
 881                             while ( *ptr == ' ' || *ptr == '\t' ) {
 882                                 ptr++;
 883                             }
 884                             if ( (*ptr == 0) || (*ptr == '\r') || (*ptr == '\n') ) {
 885                                 // blank line. skip it.
 886                             } else if ( '0' <= *ptr && *ptr <= '9' ) {
 887                                 // should be an entry link
 888                                 inHeader = false;
 889                                 ptr = block;
 890                                 Glib::ustring name("");
 891                                 int r = 0;
 892                                 int g = 0;
 893                                 int b = 0;
 894                                 skipWhitespace(ptr);
 895                                 if ( *ptr ) {
 896                                     hasErr = parseNum(ptr, r);
 897                                     if ( !hasErr ) {
 898                                         skipWhitespace(ptr);
 899                                         hasErr = parseNum(ptr, g);
 900                                     }
 901                                     if ( !hasErr ) {
 902                                         skipWhitespace(ptr);
 903                                         hasErr = parseNum(ptr, b);
 904                                     }
 905                                     if ( !hasErr && *ptr ) {
 906                                         char* n = trim(ptr);
 907                                         if (n != NULL) {
 908                                             name = n;
 909                                         }
 910                                     }
 911                                     if ( !hasErr ) {
 912                                         // Add the entry now
 913                                         Glib::ustring nameStr(name);
 914                                         ColorItem* item = new ColorItem( r, g, b, nameStr );
 915                                         onceMore->_colors.push_back(item);
 916                                     }
 917                                 } else {
 918                                     hasErr = true;
 919                                 }
 920                             } else {
 921                                 if ( !inHeader ) {
 922                                     // Hmmm... probably bad. Not quite the format we want?
 923                                     hasErr = true;
 924                                 } else {
 925                                     char* sep = strchr(result, ':');
 926                                     if ( sep ) {
 927                                         *sep = 0;
 928                                         char* val = trim(sep + 1);
 929                                         char* name = trim(result);
 930                                         if ( *name ) {
 931                                             if ( strcmp( "Name", name ) == 0 )
 932                                             {
 933                                                 onceMore->_name = val;
 934                                             }
 935                                             else if ( strcmp( "Columns", name ) == 0 )
 936                                             {
 937                                                 gchar* endPtr = 0;
 938                                                 guint64 numVal = g_ascii_strtoull( val, &endPtr, 10 );
 939                                                 if ( (numVal == G_MAXUINT64) && (ERANGE == errno) ) {
 940                                                     // overflow
 941                                                 } else if ( (numVal == 0) && (endPtr == val) ) {
 942                                                     // failed conversion
 943                                                 } else {
 944                                                     onceMore->_prefWidth = numVal;
 945                                                 }
 946                                             }
 947                                         } else {
 948                                             // error
 949                                             hasErr = true;
 950                                         }
 951                                     } else {
 952                                         // error
 953                                         hasErr = true;
 954                                     }
 955                                 }
 956                             }
 957                         }
 958                     }
 959                 } while ( result && !hasErr );
 960                 if ( !hasErr ) {
 961                     possible.push_back(onceMore);
 962 #if ENABLE_MAGIC_COLORS
 963                     ColorItem::_wireMagicColors( onceMore );
 964 #endif // ENABLE_MAGIC_COLORS
 965                 } else {
 966                     delete onceMore;
 967                 }
 968             }
 969         }
 970
 971         fclose(f);
 972     }
 973 }
 974
 975 static void loadEmUp()
 976 {
 977     static bool beenHere = false;
 978     if ( !beenHere ) {
 979         beenHere = true;
 980
 981         std::list<gchar *> sources;
 982         sources.push_back( profile_path("palettes") );
 983         sources.push_back( g_strdup(INKSCAPE_PALETTESDIR) );
 984         sources.push_back( g_strdup(CREATE_PALETTESDIR) );
 985
 986         // Use this loop to iterate through a list of possible document locations.
 987         while (!sources.empty()) {
 988             gchar *dirname = sources.front();
 989
 990             if ( Inkscape::IO::file_test( dirname, G_FILE_TEST_EXISTS )
 991                 && Inkscape::IO::file_test( dirname, G_FILE_TEST_IS_DIR )) {
 992                 GError *err = 0;
 993                 GDir *directory = g_dir_open(dirname, 0, &err);
 994                 if (!directory) {
 995                     gchar *safeDir = Inkscape::IO::sanitizeString(dirname);
 996                     g_warning(_("Palettes directory (%s) is unavailable."), safeDir);
 997                     g_free(safeDir);
 998                 } else {
 999                     gchar *filename = 0;
1000                     while ((filename = (gchar *)g_dir_read_name(directory)) != NULL) {
1001                         gchar* lower = g_ascii_strdown( filename, -1 );
1002 //                        if ( g_str_has_suffix(lower, ".gpl") ) {
1003                             gchar* full = g_build_filename(dirname, filename, NULL);
1004                             if ( !Inkscape::IO::file_test( full, G_FILE_TEST_IS_DIR ) ) {
1005                                 _loadPaletteFile(full);
1006                             }
1007                             g_free(full);
1008 //                      }
1009                         g_free(lower);
1010                     }
1011                     g_dir_close(directory);
1012                 }
1013             }
1014
1015             // toss the dirname
1016             g_free(dirname);
1017             sources.pop_front();
1018         }
1019     }
1020 }
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030 SwatchesPanel& SwatchesPanel::getInstance()
1031 {
1032     return *new SwatchesPanel();
1033 }
1034
1035
1036 /**
1037  * Constructor
1038  */
1039 SwatchesPanel::SwatchesPanel(gchar const* prefsPath) :
1040     Inkscape::UI::Widget::Panel("", prefsPath, SP_VERB_DIALOG_SWATCHES, "", true),
1041     _holder(0)
1042 {
1043     Gtk::RadioMenuItem* hotItem = 0;
1044     _holder = new PreviewHolder();
1045     loadEmUp();
1046
1047     if ( !possible.empty() ) {
1048         JustForNow* first = 0;
1049         Glib::ustring targetName;
1050         if ( !_prefs_path.empty() ) {
1051             Inkscape::Preferences *prefs = Inkscape::Preferences::get();
1052             targetName = prefs->getString(_prefs_path + "/palette");
1053             if (!targetName.empty()) {
1054                 for ( std::vector<JustForNow*>::iterator iter = possible.begin(); iter != possible.end(); ++iter ) {
1055                     if ( (*iter)->_name == targetName ) {
1056                         first = *iter;
1057                         break;
1058                     }
1059                 }
1060             }
1061         }
1062
1063         if ( !first ) {
1064             first = possible.front();
1065         }
1066
1067         if ( first->_prefWidth > 0 ) {
1068             _holder->setColumnPref( first->_prefWidth );
1069         }
1070         _holder->freezeUpdates();
1071         for ( std::vector<ColorItem*>::iterator it = first->_colors.begin(); it != first->_colors.end(); it++ ) {
1072             _holder->addPreview(*it);
1073         }
1074         _holder->thawUpdates();
1075
1076         Gtk::RadioMenuItem::Group groupOne;
1077         int i = 0;
1078         for ( std::vector<JustForNow*>::iterator it = possible.begin(); it != possible.end(); it++ ) {
1079             JustForNow* curr = *it;
1080             Gtk::RadioMenuItem* single = manage(new Gtk::RadioMenuItem(groupOne, curr->_name));
1081             if ( curr == first ) {
1082                 hotItem = single;
1083             }
1084             _regItem( single, 3, i );
1085             i++;
1086         }
1087
1088     }
1089
1090
1091     _getContents()->pack_start(*_holder, Gtk::PACK_EXPAND_WIDGET);
1092     _setTargetFillable(_holder);
1093
1094     show_all_children();
1095
1096     restorePanelPrefs();
1097     if ( hotItem ) {
1098         hotItem->set_active();
1099     }
1100 }
1101
1102 SwatchesPanel::~SwatchesPanel()
1103 {
1104 }
1105
1106 void SwatchesPanel::setOrientation( Gtk::AnchorType how )
1107 {
1108     // Must call the parent class or bad things might happen
1109     Inkscape::UI::Widget::Panel::setOrientation( how );
1110
1111     if ( _holder )
1112     {
1113         _holder->setOrientation( Gtk::ANCHOR_SOUTH );
1114     }
1115 }
1116
1117 void SwatchesPanel::_handleAction( int setId, int itemId )
1118 {
1119     switch( setId ) {
1120         case 3:
1121         {
1122             if ( itemId >= 0 && itemId < static_cast<int>(possible.size()) ) {
1123                 _holder->clear();
1124                 JustForNow* curr = possible[itemId];
1125
1126                 if ( !_prefs_path.empty() ) {
1127                     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
1128                     prefs->setString(_prefs_path + "/palette", curr->_name);
1129                 }
1130
1131                 if ( curr->_prefWidth > 0 ) {
1132                     _holder->setColumnPref( curr->_prefWidth );
1133                 }
1134                 _holder->freezeUpdates();
1135                 for ( std::vector<ColorItem*>::iterator it = curr->_colors.begin(); it != curr->_colors.end(); it++ ) {
1136                     _holder->addPreview(*it);
1137                 }
1138                 _holder->thawUpdates();
1139             }
1140         }
1141         break;
1142     }
1143 }
1144
1145 } //namespace Dialogs
1146 } //namespace UI
1147 } //namespace Inkscape
1148
1149
1150 /*
1151   Local Variables:
1152   mode:c++
1153   c-file-style:"stroustrup"
1154   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1155   indent-tabs-mode:nil
1156   fill-column:99
1157   End:
1158 */
1159 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :