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