src/dialogs/swatches.cpp

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