src/widgets/sp-color-notebook.cpp

   1 #define __SP_COLOR_NOTEBOOK_C__
   2
   3 /*
   4  * A notebook with RGB, CMYK, CMS, HSL, and Wheel pages
   5  *
   6  * Author:
   7  *       Lauris Kaplinski <lauris@kaplinski.com>
   8  *   bulia byak <buliabyak@users.sf.net>
   9  *
  10  * Copyright (C) 2001-2002 Lauris Kaplinski
  11  *
  12  * This code is in public domain
  13  */
  14
  15 #undef SPCS_PREVIEW
  16 #define noDUMP_CHANGE_INFO
  17
  18 #ifdef HAVE_CONFIG_H
  19 # include "config.h"
  20 #endif
  21
  22 #include <cstring>
  23 #include <string>
  24 #include <cstdlib>
  25 #include <gtk/gtk.h>
  26 #include <glibmm/i18n.h>
  27
  28 #include "../dialogs/dialog-events.h"
  29 #include "../preferences.h"
  30 #include "sp-color-notebook.h"
  31 #include "spw-utilities.h"
  32 #include "sp-color-scales.h"
  33 #include "sp-color-icc-selector.h"
  34 #include "sp-color-wheel-selector.h"
  35
  36 struct SPColorNotebookTracker {
  37         const gchar* name;
  38         const gchar* className;
  39         GType type;
  40         guint submode;
  41         gboolean enabledFull;
  42         gboolean enabledBrief;
  43         SPColorNotebook *backPointer;
  44 };
  45
  46 static void sp_color_notebook_class_init (SPColorNotebookClass *klass);
  47 static void sp_color_notebook_init (SPColorNotebook *colorbook);
  48 static void sp_color_notebook_destroy (GtkObject *object);
  49
  50 static void sp_color_notebook_show_all (GtkWidget *widget);
  51 static void sp_color_notebook_hide_all (GtkWidget *widget);
  52
  53 static SPColorSelectorClass *parent_class;
  54
  55 #define XPAD 4
  56 #define YPAD 1
  57
  58 GType sp_color_notebook_get_type(void)
  59 {
  60     static GtkType type = 0;
  61     if (!type) {
  62         GTypeInfo info = {
  63             sizeof(SPColorNotebookClass),
  64             0, // base_init
  65             0, // base_finalize
  66             (GClassInitFunc)sp_color_notebook_class_init,
  67             0, // class_finalize
  68             0, // class_data
  69             sizeof(SPColorNotebook),
  70             0, // n_preallocs
  71             (GInstanceInitFunc)sp_color_notebook_init,
  72             0 // value_table
  73         };
  74         type = g_type_register_static(SP_TYPE_COLOR_SELECTOR, "SPColorNotebook", &info, static_cast<GTypeFlags>(0));
  75     }
  76     return type;
  77 }
  78
  79 static void
  80 sp_color_notebook_class_init (SPColorNotebookClass *klass)
  81 {
  82         GtkObjectClass *object_class;
  83         GtkWidgetClass *widget_class;
  84         SPColorSelectorClass *selector_class;
  85
  86         object_class = (GtkObjectClass *) klass;
  87         widget_class = (GtkWidgetClass *) klass;
  88         selector_class = SP_COLOR_SELECTOR_CLASS (klass);
  89
  90         parent_class = SP_COLOR_SELECTOR_CLASS (g_type_class_peek_parent (klass));
  91
  92         object_class->destroy = sp_color_notebook_destroy;
  93
  94         widget_class->show_all = sp_color_notebook_show_all;
  95         widget_class->hide_all = sp_color_notebook_hide_all;
  96 }
  97
  98 static void
  99 sp_color_notebook_switch_page(GtkNotebook *notebook,
 100                               GtkNotebookPage *page,
 101                               guint page_num,
 102                               SPColorNotebook *colorbook)
 103 {
 104     if ( colorbook )
 105     {
 106         ColorNotebook* nb = (ColorNotebook*)(SP_COLOR_SELECTOR(colorbook)->base);
 107         nb->switchPage( notebook, page, page_num );
 108
 109         // remember the page we seitched to
 110         Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 111         prefs->setInt("/colorselector/page", page_num);
 112     }
 113 }
 114
 115 void ColorNotebook::switchPage(GtkNotebook*,
 116                               GtkNotebookPage*,
 117                               guint page_num)
 118 {
 119     SPColorSelector* csel;
 120     GtkWidget* widget;
 121
 122     if ( gtk_notebook_get_current_page (GTK_NOTEBOOK (_book)) >= 0 )
 123     {
 124         csel = getCurrentSelector();
 125         csel->base->getColorAlpha(_color, &_alpha);
 126     }
 127     widget = gtk_notebook_get_nth_page (GTK_NOTEBOOK (_book), page_num);
 128     if ( widget && SP_IS_COLOR_SELECTOR (widget) )
 129     {
 130         csel = SP_COLOR_SELECTOR (widget);
 131         csel->base->setColorAlpha( _color, _alpha );
 132
 133         // Temporary workaround to undo a spurious GRABBED
 134         _released();
 135     }
 136 }
 137
 138 static gint sp_color_notebook_menu_handler( GtkWidget *widget, GdkEvent *event )
 139 {
 140     if (event->type == GDK_BUTTON_PRESS)
 141     {
 142         SPColorSelector* csel = SP_COLOR_SELECTOR(widget);
 143         ((ColorNotebook*)(csel->base))->menuHandler( event );
 144
 145         /* Tell calling code that we have handled this event; the buck
 146          * stops here. */
 147         return TRUE;
 148     }
 149
 150     /* Tell calling code that we have not handled this event; pass it on. */
 151     return FALSE;
 152 }
 153
 154 gint ColorNotebook::menuHandler( GdkEvent* event )
 155 {
 156     GdkEventButton *bevent = (GdkEventButton *) event;
 157     gtk_menu_popup (GTK_MENU( _popup ), NULL, NULL, NULL, NULL,
 158                     bevent->button, bevent->time);
 159     return TRUE;
 160 }
 161
 162 static void sp_color_notebook_menuitem_response (GtkMenuItem *menuitem, gpointer user_data)
 163 {
 164         gboolean active = FALSE;
 165
 166         active = gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (menuitem));
 167         SPColorNotebookTracker *entry = reinterpret_cast< SPColorNotebookTracker* > (user_data);
 168         if ( entry )
 169         {
 170                 if ( active )
 171                 {
 172                         ((ColorNotebook*)(SP_COLOR_SELECTOR(entry->backPointer)->base))->addPage(entry->type, entry->submode);
 173                 }
 174                 else
 175                 {
 176                         ((ColorNotebook*)(SP_COLOR_SELECTOR(entry->backPointer)->base))->removePage(entry->type, entry->submode);
 177                 }
 178         }
 179 }
 180
 181 static void
 182 sp_color_notebook_init (SPColorNotebook *colorbook)
 183 {
 184     SP_COLOR_SELECTOR(colorbook)->base = new ColorNotebook( SP_COLOR_SELECTOR(colorbook) );
 185
 186     if ( SP_COLOR_SELECTOR(colorbook)->base )
 187     {
 188         SP_COLOR_SELECTOR(colorbook)->base->init();
 189     }
 190 }
 191
 192 void ColorNotebook::init()
 193 {
 194         GtkWidget* table = 0;
 195         guint row = 0;
 196         guint i = 0;
 197         guint j = 0;
 198         GType *selector_types = 0;
 199         guint   selector_type_count = 0;
 200
 201         GtkTooltips *tt = gtk_tooltips_new ();
 202
 203         /* tempory hardcoding to get types loaded */
 204         SP_TYPE_COLOR_SCALES;
 205         SP_TYPE_COLOR_WHEEL_SELECTOR;
 206 #if ENABLE_LCMS
 207         SP_TYPE_COLOR_ICC_SELECTOR;
 208 #endif // ENABLE_LCMS
 209
 210         /* REJON: Comment out the next line to not use the normal GTK Color
 211            wheel. */
 212
 213 //        SP_TYPE_COLOR_GTKSELECTOR;
 214
 215         _updating = FALSE;
 216         _updatingrgba = FALSE;
 217         _btn = 0;
 218         _popup = 0;
 219         _trackerList = g_ptr_array_new ();
 220
 221         _book = gtk_notebook_new ();
 222         gtk_widget_show (_book);
 223
 224         selector_types = g_type_children (SP_TYPE_COLOR_SELECTOR, &selector_type_count);
 225
 226         for ( i = 0; i < selector_type_count; i++ )
 227         {
 228                 if (!g_type_is_a (selector_types[i], SP_TYPE_COLOR_NOTEBOOK))
 229                 {
 230                         guint howmany = 1;
 231                         gpointer klass = gtk_type_class (selector_types[i]);
 232                         if ( klass && SP_IS_COLOR_SELECTOR_CLASS (klass) )
 233                         {
 234                                 SPColorSelectorClass *ck = SP_COLOR_SELECTOR_CLASS (klass);
 235                                 howmany = MAX (1, ck->submode_count);
 236                                 for ( j = 0; j < howmany; j++ )
 237                                 {
 238                                         SPColorNotebookTracker *entry = reinterpret_cast< SPColorNotebookTracker* > (malloc(sizeof(SPColorNotebookTracker)));
 239                                         if ( entry )
 240                                         {
 241                                                 memset( entry, 0, sizeof(SPColorNotebookTracker) );
 242                                                 entry->name = ck->name[j];
 243                                                 entry->type = selector_types[i];
 244                                                 entry->submode = j;
 245                                                 entry->enabledFull = TRUE;
 246                                                 entry->enabledBrief = TRUE;
 247                                                 entry->backPointer = SP_COLOR_NOTEBOOK(_csel);
 248
 249                                                 g_ptr_array_add (_trackerList, entry);
 250                                         }
 251                                 }
 252                         }
 253                 }
 254         }
 255
 256         for ( i = 0; i < _trackerList->len; i++ )
 257         {
 258                 SPColorNotebookTracker *entry =
 259           reinterpret_cast< SPColorNotebookTracker* > (g_ptr_array_index (_trackerList, i));
 260                 if ( entry )
 261                 {
 262                         addPage(entry->type, entry->submode);
 263                 }
 264         }
 265
 266         table = gtk_table_new (2, 3, FALSE);
 267         gtk_widget_show (table);
 268
 269         gtk_box_pack_start (GTK_BOX (_csel), table, TRUE, TRUE, 0);
 270
 271         gtk_table_attach (GTK_TABLE (table), _book, 0, 2, row, row + 1,
 272                       static_cast<GtkAttachOptions>(GTK_EXPAND|GTK_FILL),
 273                       static_cast<GtkAttachOptions>(GTK_EXPAND|GTK_FILL),
 274                       XPAD, YPAD);
 275
 276         // restore the last active page
 277         Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 278         gtk_notebook_set_current_page (GTK_NOTEBOOK (_book), prefs->getInt("/colorselector/page", 0));
 279
 280         {
 281                 gboolean found = FALSE;
 282
 283                 _popup = gtk_menu_new();
 284                 GtkMenu *menu = GTK_MENU (_popup);
 285
 286                 for ( i = 0; i < _trackerList->len; i++ )
 287                 {
 288                         SPColorNotebookTracker *entry = reinterpret_cast< SPColorNotebookTracker* > (g_ptr_array_index (_trackerList, i));
 289                         if ( entry )
 290                         {
 291                                 GtkWidget *item = gtk_check_menu_item_new_with_label (_(entry->name));
 292                                 gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (item), entry->enabledFull);
 293                                 gtk_widget_show (item);
 294                                 gtk_menu_append (menu, item);
 295
 296                                 g_signal_connect (G_OBJECT (item), "activate",
 297                                                                   G_CALLBACK (sp_color_notebook_menuitem_response),
 298                                                                   reinterpret_cast< gpointer > (entry) );
 299                                 found = TRUE;
 300                         }
 301                 }
 302
 303                 GtkWidget *arrow = gtk_arrow_new(GTK_ARROW_RIGHT, GTK_SHADOW_NONE);
 304                 gtk_widget_show (arrow);
 305
 306                 _btn = gtk_button_new ();
 307                 gtk_widget_show (_btn);
 308                 gtk_container_add (GTK_CONTAINER (_btn), arrow);
 309
 310                 GtkWidget *align = gtk_alignment_new (1.0, 0.0, 0.0, 0.0);
 311                 gtk_widget_show (align);
 312                 gtk_container_add (GTK_CONTAINER (align), _btn);
 313
 314                 // uncomment to reenable the "show/hide modes" menu,
 315                 // but first fix it so it remembers its settings in prefs and does not take that much space (entire vertical column!)
 316                 //gtk_table_attach (GTK_TABLE (table), align, 2, 3, row, row + 1, GTK_FILL, GTK_FILL, XPAD, YPAD);
 317
 318                 gtk_signal_connect_object(GTK_OBJECT(_btn), "event", GTK_SIGNAL_FUNC (sp_color_notebook_menu_handler), GTK_OBJECT(_csel));
 319                 if ( !found )
 320                 {
 321                         gtk_widget_set_sensitive (_btn, FALSE);
 322                 }
 323         }
 324
 325         row++;
 326
 327         /* Create RGBA entry and color preview */
 328         GtkWidget *rgbabox = gtk_hbox_new (FALSE, 0);
 329
 330         _rgbal = gtk_label_new_with_mnemonic (_("RGBA_:"));
 331         gtk_misc_set_alignment (GTK_MISC (_rgbal), 1.0, 0.5);
 332         gtk_box_pack_start(GTK_BOX(rgbabox), _rgbal, TRUE, TRUE, 2);
 333
 334         _rgbae = gtk_entry_new ();
 335         sp_dialog_defocus_on_enter (_rgbae);
 336         gtk_entry_set_max_length (GTK_ENTRY (_rgbae), 8);
 337         gtk_entry_set_width_chars (GTK_ENTRY (_rgbae), 8);
 338         gtk_tooltips_set_tip (tt, _rgbae, _("Hexadecimal RGBA value of the color"), NULL);
 339         gtk_box_pack_start(GTK_BOX(rgbabox), _rgbae, FALSE, FALSE, 0);
 340         gtk_label_set_mnemonic_widget (GTK_LABEL(_rgbal), _rgbae);
 341
 342         sp_set_font_size_smaller (rgbabox);
 343         gtk_widget_show_all (rgbabox);
 344         gtk_table_attach (GTK_TABLE (table), rgbabox, 1, 2, row, row + 1, GTK_FILL, GTK_SHRINK, XPAD, YPAD);
 345
 346 #ifdef SPCS_PREVIEW
 347         _p = sp_color_preview_new (0xffffffff);
 348         gtk_widget_show (_p);
 349         gtk_table_attach (GTK_TABLE (table), _p, 2, 3, row, row + 1, GTK_FILL, GTK_FILL, XPAD, YPAD);
 350 #endif
 351
 352         _switchId = g_signal_connect(GTK_OBJECT (_book), "switch-page",
 353                                                                 GTK_SIGNAL_FUNC (sp_color_notebook_switch_page), SP_COLOR_NOTEBOOK(_csel));
 354
 355         _entryId = gtk_signal_connect (GTK_OBJECT (_rgbae), "changed", GTK_SIGNAL_FUNC (ColorNotebook::_rgbaEntryChangedHook), _csel);
 356 }
 357
 358 static void
 359 sp_color_notebook_destroy (GtkObject *object)
 360 {
 361         if (((GtkObjectClass *) (parent_class))->destroy)
 362                 (* ((GtkObjectClass *) (parent_class))->destroy) (object);
 363 }
 364
 365 ColorNotebook::~ColorNotebook()
 366 {
 367         if ( _trackerList )
 368         {
 369                 g_ptr_array_free (_trackerList, TRUE);
 370                 _trackerList = 0;
 371         }
 372
 373         if ( _switchId )
 374         {
 375                 if ( _book )
 376                 {
 377                         g_signal_handler_disconnect (_book, _switchId);
 378                         _switchId = 0;
 379                 }
 380         }
 381 }
 382
 383 static void
 384 sp_color_notebook_show_all (GtkWidget *widget)
 385 {
 386         gtk_widget_show (widget);
 387 }
 388
 389 static void
 390 sp_color_notebook_hide_all (GtkWidget *widget)
 391 {
 392         gtk_widget_hide (widget);
 393 }
 394
 395 GtkWidget *
 396 sp_color_notebook_new (void)
 397 {
 398         SPColorNotebook *colorbook;
 399
 400         colorbook = (SPColorNotebook*)gtk_type_new (SP_TYPE_COLOR_NOTEBOOK);
 401
 402         return GTK_WIDGET (colorbook);
 403 }
 404
 405 ColorNotebook::ColorNotebook( SPColorSelector* csel )
 406     : ColorSelector( csel )
 407 {
 408 }
 409
 410 SPColorSelector* ColorNotebook::getCurrentSelector()
 411 {
 412     SPColorSelector* csel = NULL;
 413     gint current_page = gtk_notebook_get_current_page (GTK_NOTEBOOK (_book));
 414
 415     if ( current_page >= 0 )
 416     {
 417         GtkWidget* widget = gtk_notebook_get_nth_page (GTK_NOTEBOOK (_book), current_page);
 418         if ( SP_IS_COLOR_SELECTOR (widget) )
 419         {
 420             csel = SP_COLOR_SELECTOR (widget);
 421         }
 422     }
 423
 424     return csel;
 425 }
 426
 427 void ColorNotebook::_colorChanged()
 428 {
 429     SPColorSelector* cselPage = getCurrentSelector();
 430     if ( cselPage )
 431     {
 432         cselPage->base->setColorAlpha( _color, _alpha );
 433     }
 434
 435     _updateRgbaEntry( _color, _alpha );
 436 }
 437
 438 void ColorNotebook::_rgbaEntryChangedHook(GtkEntry *entry, SPColorNotebook *colorbook)
 439 {
 440     ((ColorNotebook*)(SP_COLOR_SELECTOR(colorbook)->base))->_rgbaEntryChanged( entry );
 441 }
 442
 443 void ColorNotebook::_rgbaEntryChanged(GtkEntry* entry)
 444 {
 445     if (_updating) return;
 446     if (_updatingrgba) return;
 447
 448     const gchar *t = gtk_entry_get_text( entry );
 449
 450     if (t) {
 451         Glib::ustring text = t;
 452         bool changed = false;
 453         if (!text.empty() && text[0] == '#') {
 454             changed = true;
 455             text.erase(0,1);
 456             if (text.size() == 6) {
 457                 // it was a standard RGB hex
 458                 unsigned int alph = SP_COLOR_F_TO_U(_alpha);
 459                 gchar* tmp = g_strdup_printf("%02x", alph);
 460                 text += tmp;
 461                 g_free(tmp);
 462             }
 463         }
 464         gchar* str = g_strdup(text.c_str());
 465         gchar* end = 0;
 466         guint64 rgba = g_ascii_strtoull( str, &end, 16 );
 467         if ( end != str ) {
 468             ptrdiff_t len = end - str;
 469             if ( len < 8 ) {
 470                 rgba = rgba << ( 4 * ( 8 - len ) );
 471             }
 472             _updatingrgba = TRUE;
 473             if ( changed ) {
 474                 gtk_entry_set_text( entry, str );
 475             }
 476             SPColor color( rgba );
 477             setColorAlpha( color, SP_RGBA32_A_F(rgba), true );
 478             _updatingrgba = FALSE;
 479         }
 480         g_free(str);
 481     }
 482 }
 483
 484 void ColorNotebook::_updateRgbaEntry( const SPColor& color, gfloat alpha )
 485 {
 486     g_return_if_fail( ( 0.0 <= alpha ) && ( alpha <= 1.0 ) );
 487
 488     if ( !_updatingrgba )
 489     {
 490         gchar s[32];
 491         guint32 rgba;
 492
 493         /* Update RGBA entry */
 494         rgba = color.toRGBA32( alpha );
 495
 496         g_snprintf (s, 32, "%08x", rgba);
 497         const gchar* oldText = gtk_entry_get_text( GTK_ENTRY( _rgbae ) );
 498         if ( strcmp( oldText, s ) != 0 )
 499         {
 500             g_signal_handler_block( _rgbae, _entryId );
 501             gtk_entry_set_text( GTK_ENTRY(_rgbae), s );
 502             g_signal_handler_unblock( _rgbae, _entryId );
 503         }
 504     }
 505 }
 506
 507 void ColorNotebook::_entryGrabbed (SPColorSelector *, SPColorNotebook *colorbook)
 508 {
 509     ColorNotebook* nb = (ColorNotebook*)(SP_COLOR_SELECTOR(colorbook)->base);
 510     nb->_grabbed();
 511 }
 512
 513 void ColorNotebook::_entryDragged (SPColorSelector *csel, SPColorNotebook *colorbook)
 514 {
 515         gboolean oldState;
 516     ColorNotebook* nb = (ColorNotebook*)(SP_COLOR_SELECTOR(colorbook)->base);
 517
 518         oldState = nb->_dragging;
 519
 520         nb->_dragging = TRUE;
 521         nb->_entryModified( csel, colorbook );
 522
 523         nb->_dragging = oldState;
 524 }
 525
 526 void ColorNotebook::_entryReleased (SPColorSelector *, SPColorNotebook *colorbook)
 527 {
 528     ColorNotebook* nb = (ColorNotebook*)(SP_COLOR_SELECTOR(colorbook)->base);
 529     nb->_released();
 530 }
 531
 532 void ColorNotebook::_entryChanged (SPColorSelector *csel, SPColorNotebook *colorbook)
 533 {
 534         gboolean oldState;
 535     ColorNotebook* nb = (ColorNotebook*)(SP_COLOR_SELECTOR(colorbook)->base);
 536
 537         oldState = nb->_dragging;
 538
 539         nb->_dragging = FALSE;
 540         nb->_entryModified( csel, colorbook );
 541
 542         nb->_dragging = oldState;
 543 }
 544
 545 void ColorNotebook::_entryModified (SPColorSelector *csel, SPColorNotebook *colorbook)
 546 {
 547         g_return_if_fail (colorbook != NULL);
 548         g_return_if_fail (SP_IS_COLOR_NOTEBOOK (colorbook));
 549         g_return_if_fail (csel != NULL);
 550         g_return_if_fail (SP_IS_COLOR_SELECTOR (csel));
 551
 552     ColorNotebook* nb = (ColorNotebook*)(SP_COLOR_SELECTOR(colorbook)->base);
 553     SPColor color;
 554     gfloat alpha = 1.0;
 555
 556     csel->base->getColorAlpha( color, &alpha );
 557     nb->_updateRgbaEntry( color, alpha );
 558     nb->_updateInternals( color, alpha, nb->_dragging );
 559 }
 560
 561 GtkWidget* ColorNotebook::addPage(GType page_type, guint submode)
 562 {
 563         GtkWidget *page;
 564
 565         page = sp_color_selector_new( page_type );
 566         if ( page )
 567         {
 568                 GtkWidget* tab_label = 0;
 569                 SPColorSelector* csel;
 570
 571                 csel = SP_COLOR_SELECTOR (page);
 572                 if ( submode > 0 )
 573                 {
 574                         csel->base->setSubmode( submode );
 575                 }
 576                 gtk_widget_show (page);
 577         int index = csel->base ? csel->base->getSubmode() : 0;
 578         const gchar* str = _(SP_COLOR_SELECTOR_GET_CLASS (csel)->name[index]);
 579 //         g_message( "Hitting up for tab for '%s'", str );
 580                 tab_label = gtk_label_new(_(str));
 581                 gtk_notebook_append_page( GTK_NOTEBOOK (_book), page, tab_label );
 582                 gtk_signal_connect (GTK_OBJECT (page), "grabbed", GTK_SIGNAL_FUNC (_entryGrabbed), _csel);
 583                 gtk_signal_connect (GTK_OBJECT (page), "dragged", GTK_SIGNAL_FUNC (_entryDragged), _csel);
 584                 gtk_signal_connect (GTK_OBJECT (page), "released", GTK_SIGNAL_FUNC (_entryReleased), _csel);
 585                 gtk_signal_connect (GTK_OBJECT (page), "changed", GTK_SIGNAL_FUNC (_entryChanged), _csel);
 586         }
 587
 588         return page;
 589 }
 590
 591 GtkWidget* ColorNotebook::getPage(GType page_type, guint submode)
 592 {
 593         gint count = 0;
 594         gint i = 0;
 595         GtkWidget* page = 0;
 596
 597 //        count = gtk_notebook_get_n_pages (_book);
 598         count = 200;
 599         for ( i = 0; i < count && !page; i++ )
 600         {
 601                 page = gtk_notebook_get_nth_page (GTK_NOTEBOOK (_book), i);
 602                 if ( page )
 603                 {
 604                         SPColorSelector* csel;
 605                         guint pagemode;
 606                         csel = SP_COLOR_SELECTOR (page);
 607                         pagemode = csel->base->getSubmode();
 608                         if ( G_TYPE_FROM_INSTANCE (page) == page_type
 609                                  && pagemode == submode )
 610                         {
 611                                 // found it.
 612                                 break;
 613                         }
 614                         else
 615                         {
 616                                 page = 0;
 617                         }
 618                 }
 619                 else
 620                 {
 621                         break;
 622                 }
 623         }
 624         return page;
 625 }
 626
 627 void ColorNotebook::removePage( GType page_type, guint submode )
 628 {
 629         GtkWidget *page = 0;
 630
 631         page = getPage(page_type, submode);
 632         if ( page )
 633         {
 634                 gint where = gtk_notebook_page_num (GTK_NOTEBOOK (_book), page);
 635                 if ( where >= 0 )
 636                 {
 637                         if ( gtk_notebook_get_current_page (GTK_NOTEBOOK (_book)) == where )
 638                         {
 639 //                 getColorAlpha(_color, &_alpha);
 640                         }
 641                         gtk_notebook_remove_page (GTK_NOTEBOOK (_book), where);
 642                 }
 643         }
 644 }
 645
 646 /*
 647   Local Variables:
 648   mode:c++
 649   c-file-style:"stroustrup"
 650   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 651   indent-tabs-mode:nil
 652   fill-column:99
 653   End:
 654 */
 655 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :