src/dialogs/stroke-style.cpp

   1 #define __SP_STROKE_STYLE_C__
   2
   3 /**
   4  * \brief  Stroke style dialog
   5  *
   6  * Authors:
   7  *   Lauris Kaplinski <lauris@kaplinski.com>
   8  *   Bryce Harrington <brycehar@bryceharrington.org>
   9  *   bulia byak <buliabyak@users.sf.net>
  10  *
  11  * Copyright (C) 2001-2005 authors
  12  * Copyright (C) 2001 Ximian, Inc.
  13  * Copyright (C) 2004 John Cliff
  14  *
  15  * Released under GNU GPL, read the file 'COPYING' for more information
  16  */
  17
  18 #define noSP_SS_VERBOSE
  19
  20 #ifdef HAVE_CONFIG_H
  21 # include "config.h"
  22 #endif
  23
  24
  25
  26 #include <glib/gmem.h>
  27 #include <gtk/gtk.h>
  28
  29 #include <glibmm/i18n.h>
  30 #include "helper/unit-menu.h"
  31 #include "helper/units.h"
  32 #include "svg/css-ostringstream.h"
  33 #include "widgets/sp-widget.h"
  34 #include "widgets/spw-utilities.h"
  35 #include "sp-linear-gradient.h"
  36 #include "sp-radial-gradient.h"
  37 #include "marker.h"
  38 #include "sp-pattern.h"
  39 #include "widgets/paint-selector.h"
  40 #include "widgets/dash-selector.h"
  41 #include "style.h"
  42 #include "gradient-chemistry.h"
  43 #include "sp-namedview.h"
  44 #include "desktop-handles.h"
  45 #include "desktop-style.h"
  46 #include "selection.h"
  47 #include "inkscape.h"
  48 #include "inkscape-stock.h"
  49 #include "dialogs/dialog-events.h"
  50 #include "sp-text.h"
  51 #include "sp-rect.h"
  52 #include "document-private.h"
  53 #include "display/nr-arena.h"
  54 #include "display/nr-arena-item.h"
  55 #include "path-prefix.h"
  56 #include "widgets/icon.h"
  57 #include "helper/stock-items.h"
  58 #include "io/sys.h"
  59 #include "ui/cache/svg_preview_cache.h"
  60
  61 #include "dialogs/stroke-style.h"
  62
  63
  64 /* Paint */
  65
  66 static void sp_stroke_style_paint_construct(SPWidget *spw, SPPaintSelector *psel);
  67 static void sp_stroke_style_paint_selection_modified (SPWidget *spw, Inkscape::Selection *selection, guint flags, SPPaintSelector *psel);
  68 static void sp_stroke_style_paint_selection_changed (SPWidget *spw, Inkscape::Selection *selection, SPPaintSelector *psel);
  69 static void sp_stroke_style_paint_update(SPWidget *spw);
  70
  71 static void sp_stroke_style_paint_mode_changed(SPPaintSelector *psel, SPPaintSelectorMode mode, SPWidget *spw);
  72 static void sp_stroke_style_paint_dragged(SPPaintSelector *psel, SPWidget *spw);
  73 static void sp_stroke_style_paint_changed(SPPaintSelector *psel, SPWidget *spw);
  74
  75 static void sp_stroke_style_widget_change_subselection ( Inkscape::Application *inkscape, SPDesktop *desktop, SPWidget *spw );
  76 static void sp_stroke_style_widget_transientize_callback(Inkscape::Application *inkscape,
  77                                                          SPDesktop *desktop,
  78                                                          SPWidget *spw );
  79
  80 /** Marker selection option menus */
  81 static GtkWidget * marker_start_menu = NULL;
  82 static GtkWidget * marker_mid_menu = NULL;
  83 static GtkWidget * marker_end_menu = NULL;
  84
  85 static SPObject *ink_extract_marker_name(gchar const *n);
  86 static void      ink_markers_menu_update(SPWidget* spw);
  87
  88 static Inkscape::UI::Cache::SvgPreview svg_preview_cache;
  89
  90 /**
  91  * Create the stroke style widget, and hook up all the signals.
  92  */
  93 GtkWidget *
  94 sp_stroke_style_paint_widget_new(void)
  95 {
  96     GtkWidget *spw, *psel;
  97
  98     spw = sp_widget_new_global(INKSCAPE);
  99
 100     psel = sp_paint_selector_new(false); // without fillrule selector
 101     gtk_widget_show(psel);
 102     gtk_container_add(GTK_CONTAINER(spw), psel);
 103     gtk_object_set_data(GTK_OBJECT(spw), "paint-selector", psel);
 104
 105     gtk_signal_connect(GTK_OBJECT(spw), "construct",
 106                        GTK_SIGNAL_FUNC(sp_stroke_style_paint_construct),
 107                        psel);
 108     gtk_signal_connect(GTK_OBJECT(spw), "modify_selection",
 109                        GTK_SIGNAL_FUNC(sp_stroke_style_paint_selection_modified),
 110                        psel);
 111     gtk_signal_connect(GTK_OBJECT(spw), "change_selection",
 112                        GTK_SIGNAL_FUNC(sp_stroke_style_paint_selection_changed),
 113                        psel);
 114
 115     g_signal_connect (INKSCAPE, "change_subselection", G_CALLBACK (sp_stroke_style_widget_change_subselection), spw);
 116
 117     g_signal_connect (G_OBJECT(INKSCAPE), "activate_desktop", G_CALLBACK (sp_stroke_style_widget_transientize_callback), spw );
 118
 119     gtk_signal_connect(GTK_OBJECT(psel), "mode_changed",
 120                        GTK_SIGNAL_FUNC(sp_stroke_style_paint_mode_changed),
 121                        spw);
 122     gtk_signal_connect(GTK_OBJECT(psel), "dragged",
 123                        GTK_SIGNAL_FUNC(sp_stroke_style_paint_dragged),
 124                        spw);
 125     gtk_signal_connect(GTK_OBJECT(psel), "changed",
 126                        GTK_SIGNAL_FUNC(sp_stroke_style_paint_changed),
 127                        spw);
 128
 129     sp_stroke_style_paint_update (SP_WIDGET(spw));
 130     return spw;
 131 }
 132
 133 /**
 134  * On construction, simply does an update of the stroke style paint object.
 135  */
 136 static void
 137 sp_stroke_style_paint_construct(SPWidget *spw, SPPaintSelector *psel)
 138 {
 139 #ifdef SP_SS_VERBOSE
 140     g_print( "Stroke style widget constructed: inkscape %p repr %p\n",
 141              spw->inkscape, spw->repr );
 142 #endif
 143     if (spw->inkscape) {
 144         sp_stroke_style_paint_update (spw);
 145     }
 146 }
 147
 148 /**
 149  * On signal modified, invokes an update of the stroke style paint object.
 150  */
 151 static void
 152 sp_stroke_style_paint_selection_modified ( SPWidget *spw,
 153                                         Inkscape::Selection *selection,
 154                                         guint flags,
 155                                         SPPaintSelector *psel)
 156 {
 157     if (flags & ( SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_PARENT_MODIFIED_FLAG |
 158                   SP_OBJECT_STYLE_MODIFIED_FLAG) ) {
 159         sp_stroke_style_paint_update(spw);
 160     }
 161 }
 162
 163
 164 /**
 165  * On signal selection changed, invokes an update of the stroke style paint object.
 166  */
 167 static void
 168 sp_stroke_style_paint_selection_changed ( SPWidget *spw,
 169                                         Inkscape::Selection *selection,
 170                                         SPPaintSelector *psel )
 171 {
 172     sp_stroke_style_paint_update (spw);
 173 }
 174
 175
 176 /**
 177  * On signal change subselection, invoke an update of the stroke style widget.
 178  */
 179 static void
 180 sp_stroke_style_widget_change_subselection ( Inkscape::Application *inkscape,
 181                                         SPDesktop *desktop,
 182                                         SPWidget *spw )
 183 {
 184     sp_stroke_style_paint_update (spw);
 185 }
 186
 187 /**
 188  * Gets the active stroke style property, then sets the appropriate color, alpha, gradient,
 189  * pattern, etc. for the paint-selector.
 190  */
 191 static void
 192 sp_stroke_style_paint_update (SPWidget *spw)
 193 {
 194     if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
 195         return;
 196     }
 197
 198     gtk_object_set_data(GTK_OBJECT(spw), "update", GINT_TO_POINTER(TRUE));
 199
 200     SPPaintSelector *psel = SP_PAINT_SELECTOR(gtk_object_get_data(GTK_OBJECT(spw), "paint-selector"));
 201
 202     // create temporary style
 203     SPStyle *query = sp_style_new ();
 204     // query into it
 205     int result = sp_desktop_query_style (SP_ACTIVE_DESKTOP, query, QUERY_STYLE_PROPERTY_STROKE);
 206
 207     switch (result) {
 208         case QUERY_STYLE_NOTHING:
 209         {
 210             /* No paint at all */
 211             sp_paint_selector_set_mode (psel, SP_PAINT_SELECTOR_MODE_EMPTY);
 212             break;
 213         }
 214
 215         case QUERY_STYLE_SINGLE:
 216         case QUERY_STYLE_MULTIPLE_AVERAGED: // TODO: treat this slightly differently, e.g. display "averaged" somewhere in paint selector
 217         case QUERY_STYLE_MULTIPLE_SAME:
 218         {
 219             SPPaintSelectorMode pselmode = sp_style_determine_paint_selector_mode (query, false);
 220             sp_paint_selector_set_mode (psel, pselmode);
 221
 222             if (query->stroke.set && query->stroke.type == SP_PAINT_TYPE_COLOR) {
 223                 gfloat d[3];
 224                 sp_color_get_rgb_floatv (&query->stroke.value.color, d);
 225                 SPColor color;
 226                 sp_color_set_rgb_float (&color, d[0], d[1], d[2]);
 227                 sp_paint_selector_set_color_alpha (psel, &color, SP_SCALE24_TO_FLOAT (query->stroke_opacity.value));
 228
 229             } else if (query->stroke.set && query->stroke.type == SP_PAINT_TYPE_PAINTSERVER) {
 230
 231                 SPPaintServer *server = SP_STYLE_STROKE_SERVER (query);
 232
 233                 if (SP_IS_LINEARGRADIENT (server)) {
 234                     SPGradient *vector = sp_gradient_get_vector (SP_GRADIENT (server), FALSE);
 235                     sp_paint_selector_set_gradient_linear (psel, vector);
 236
 237                     SPLinearGradient *lg = SP_LINEARGRADIENT (server);
 238                     sp_paint_selector_set_gradient_properties (psel,
 239                                                        SP_GRADIENT_UNITS (lg),
 240                                                        SP_GRADIENT_SPREAD (lg));
 241                 } else if (SP_IS_RADIALGRADIENT (server)) {
 242                     SPGradient *vector = sp_gradient_get_vector (SP_GRADIENT (server), FALSE);
 243                     sp_paint_selector_set_gradient_radial (psel, vector);
 244
 245                     SPRadialGradient *rg = SP_RADIALGRADIENT (server);
 246                     sp_paint_selector_set_gradient_properties (psel,
 247                                                        SP_GRADIENT_UNITS (rg),
 248                                                        SP_GRADIENT_SPREAD (rg));
 249                 } else if (SP_IS_PATTERN (server)) {
 250                     SPPattern *pat = pattern_getroot (SP_PATTERN (server));
 251                     sp_update_pattern_list (psel, pat);
 252                 }
 253             }
 254             break;
 255         }
 256
 257         case QUERY_STYLE_MULTIPLE_DIFFERENT:
 258         {
 259             sp_paint_selector_set_mode (psel, SP_PAINT_SELECTOR_MODE_MULTIPLE);
 260             break;
 261         }
 262     }
 263
 264     g_free (query);
 265
 266     gtk_object_set_data(GTK_OBJECT(spw), "update", GINT_TO_POINTER(FALSE));
 267 }
 268
 269 /**
 270  * When the mode is changed, invoke a regular changed handler.
 271  */
 272 static void
 273 sp_stroke_style_paint_mode_changed( SPPaintSelector *psel,
 274                                     SPPaintSelectorMode mode,
 275                                     SPWidget *spw )
 276 {
 277     if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
 278         return;
 279     }
 280
 281     /* TODO: Does this work?
 282      * Not really, here we have to get old color back from object
 283      * Instead of relying on paint widget having meaningful colors set
 284      */
 285     sp_stroke_style_paint_changed(psel, spw);
 286 }
 287
 288 static gchar *undo_label_1 = "stroke:flatcolor:1";
 289 static gchar *undo_label_2 = "stroke:flatcolor:2";
 290 static gchar *undo_label = undo_label_1;
 291
 292 /**
 293  * When a drag callback occurs on a paint selector object, if it is a RGB or CMYK
 294  * color mode, then set the stroke opacity to psel's flat color.
 295  */
 296 static void
 297 sp_stroke_style_paint_dragged(SPPaintSelector *psel, SPWidget *spw)
 298 {
 299     if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
 300         return;
 301     }
 302
 303     switch (psel->mode) {
 304         case SP_PAINT_SELECTOR_MODE_COLOR_RGB:
 305         case SP_PAINT_SELECTOR_MODE_COLOR_CMYK:
 306         {
 307             sp_paint_selector_set_flat_color (psel, SP_ACTIVE_DESKTOP, "stroke", "stroke-opacity");
 308             sp_document_maybe_done (sp_desktop_document(SP_ACTIVE_DESKTOP), undo_label, SP_VERB_DIALOG_FILL_STROKE,
 309                                     _("Set stroke color"));
 310             break;
 311         }
 312
 313         default:
 314             g_warning( "file %s: line %d: Paint %d should not emit 'dragged'",
 315                        __FILE__, __LINE__, psel->mode);
 316             break;
 317     }
 318 }
 319
 320 /**
 321  * When the stroke style's paint settings change, this handler updates the
 322  * repr's stroke css style and applies the style to relevant drawing items.
 323  */
 324 static void
 325 sp_stroke_style_paint_changed(SPPaintSelector *psel, SPWidget *spw)
 326 {
 327     if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
 328         return;
 329     }
 330     g_object_set_data (G_OBJECT (spw), "update", GINT_TO_POINTER (TRUE));
 331
 332     SPDesktop *desktop = SP_ACTIVE_DESKTOP;
 333     SPDocument *document = sp_desktop_document (desktop);
 334     Inkscape::Selection *selection = sp_desktop_selection (desktop);
 335
 336     GSList const *items = selection->itemList();
 337
 338     switch (psel->mode) {
 339         case SP_PAINT_SELECTOR_MODE_EMPTY:
 340             // This should not happen.
 341             g_warning ( "file %s: line %d: Paint %d should not emit 'changed'",
 342                         __FILE__, __LINE__, psel->mode);
 343             break;
 344         case SP_PAINT_SELECTOR_MODE_MULTIPLE:
 345             // This happens when you switch multiple objects with different gradients to flat color;
 346             // nothing to do here.
 347             break;
 348
 349         case SP_PAINT_SELECTOR_MODE_NONE:
 350         {
 351             SPCSSAttr *css = sp_repr_css_attr_new();
 352             sp_repr_css_set_property(css, "stroke", "none");
 353
 354             sp_desktop_set_style (desktop, css);
 355
 356             sp_repr_css_attr_unref(css);
 357
 358             sp_document_done(document, SP_VERB_DIALOG_FILL_STROKE,
 359                              _("Remove stroke"));
 360             break;
 361         }
 362
 363         case SP_PAINT_SELECTOR_MODE_COLOR_RGB:
 364         case SP_PAINT_SELECTOR_MODE_COLOR_CMYK:
 365         {
 366             sp_paint_selector_set_flat_color (psel, desktop, "stroke", "stroke-opacity");
 367             sp_document_maybe_done (sp_desktop_document(desktop), undo_label, SP_VERB_DIALOG_FILL_STROKE,
 368                                     _("Set stroke color"));
 369
 370             // on release, toggle undo_label so that the next drag will not be lumped with this one
 371             if (undo_label == undo_label_1)
 372                 undo_label = undo_label_2;
 373             else
 374                 undo_label = undo_label_1;
 375
 376             break;
 377         }
 378
 379         case SP_PAINT_SELECTOR_MODE_GRADIENT_LINEAR:
 380         case SP_PAINT_SELECTOR_MODE_GRADIENT_RADIAL:
 381             if (items) {
 382                 SPGradientType const gradient_type = ( psel->mode == SP_PAINT_SELECTOR_MODE_GRADIENT_LINEAR
 383                                                        ? SP_GRADIENT_TYPE_LINEAR
 384                                                        : SP_GRADIENT_TYPE_RADIAL );
 385                 SPGradient *vector = sp_paint_selector_get_gradient_vector(psel);
 386                 if (!vector) {
 387                     /* No vector in paint selector should mean that we just changed mode */
 388
 389                     SPStyle *query = sp_style_new ();
 390                     int result = objects_query_fillstroke ((GSList *) items, query, false);
 391                     guint32 common_rgb = 0;
 392                     if (result == QUERY_STYLE_MULTIPLE_SAME) {
 393                         if (query->fill.type != SP_PAINT_TYPE_COLOR) {
 394                             common_rgb = sp_desktop_get_color(desktop, false);
 395                         } else {
 396                             common_rgb = sp_color_get_rgba32_ualpha(&query->stroke.value.color, 0xff);
 397                         }
 398                         vector = sp_document_default_gradient_vector(document, common_rgb);
 399                     }
 400                     g_free (query);
 401
 402                     for (GSList const *i = items; i != NULL; i = i->next) {
 403                         if (!vector) {
 404                             sp_item_set_gradient(SP_ITEM(i->data),
 405                                                  sp_gradient_vector_for_object(document, desktop, SP_OBJECT(i->data), false),
 406                                                  gradient_type, false);
 407                         } else {
 408                             sp_item_set_gradient(SP_ITEM(i->data), vector, gradient_type, false);
 409                         }
 410                     }
 411                 } else {
 412                     vector = sp_gradient_ensure_vector_normalized(vector);
 413                     for (GSList const *i = items; i != NULL; i = i->next) {
 414                         SPGradient *gr = sp_item_set_gradient(SP_ITEM(i->data), vector, gradient_type, false);
 415                         sp_gradient_selector_attrs_to_gradient(gr, psel);
 416                     }
 417                 }
 418
 419                 sp_document_done(document, SP_VERB_DIALOG_FILL_STROKE,
 420                                  _("Set gradient on stroke"));
 421             }
 422             break;
 423
 424         case SP_PAINT_SELECTOR_MODE_PATTERN:
 425
 426             if (items) {
 427
 428                 SPPattern *pattern = sp_paint_selector_get_pattern (psel);
 429                 if (!pattern) {
 430
 431                     /* No Pattern in paint selector should mean that we just
 432                      * changed mode - dont do jack.
 433                      */
 434
 435                 } else {
 436                     Inkscape::XML::Node *patrepr = SP_OBJECT_REPR(pattern);
 437                     SPCSSAttr *css = sp_repr_css_attr_new ();
 438                     gchar *urltext = g_strdup_printf ("url(#%s)", patrepr->attribute("id"));
 439                     sp_repr_css_set_property (css, "stroke", urltext);
 440
 441                     for (GSList const *i = items; i != NULL; i = i->next) {
 442                          Inkscape::XML::Node *selrepr = SP_OBJECT_REPR (i->data);
 443                          SPObject *selobj = SP_OBJECT (i->data);
 444                          if (!selrepr)
 445                              continue;
 446
 447                          SPStyle *style = SP_OBJECT_STYLE (selobj);
 448                          if (style && style->stroke.type == SP_PAINT_TYPE_PAINTSERVER) {
 449                              SPObject *server = SP_OBJECT_STYLE_STROKE_SERVER (selobj);
 450                              if (SP_IS_PATTERN (server) && pattern_getroot (SP_PATTERN(server)) == pattern)
 451                                  // only if this object's pattern is not rooted in our selected pattern, apply
 452                                  continue;
 453                          }
 454
 455                          sp_repr_css_change_recursive (selrepr, css, "style");
 456                      }
 457
 458                     sp_repr_css_attr_unref (css);
 459                     g_free (urltext);
 460
 461                 } // end if
 462
 463                 sp_document_done (document, SP_VERB_DIALOG_FILL_STROKE,
 464                                   _("Set pattern on stroke"));
 465             } // end if
 466
 467             break;
 468
 469         case SP_PAINT_SELECTOR_MODE_UNSET:
 470             if (items) {
 471                     SPCSSAttr *css = sp_repr_css_attr_new ();
 472                     sp_repr_css_unset_property (css, "stroke");
 473
 474                     sp_desktop_set_style (desktop, css);
 475                     sp_repr_css_attr_unref (css);
 476
 477                     sp_document_done (document, SP_VERB_DIALOG_FILL_STROKE,
 478                                       _("Unset stroke"));
 479             }
 480             break;
 481
 482         default:
 483             g_warning( "file %s: line %d: Paint selector should not be in "
 484                        "mode %d",
 485                        __FILE__, __LINE__,
 486                        psel->mode );
 487             break;
 488     }
 489
 490     g_object_set_data (G_OBJECT (spw), "update", GINT_TO_POINTER (FALSE));
 491 }
 492
 493
 494
 495
 496
 497 /* Line */
 498
 499 static void sp_stroke_style_line_construct(SPWidget *spw, gpointer data);
 500 static void sp_stroke_style_line_selection_modified (SPWidget *spw,
 501                                                   Inkscape::Selection *selection,
 502                                                   guint flags,
 503                                                   gpointer data);
 504
 505 static void sp_stroke_style_line_selection_changed (SPWidget *spw,
 506                                                    Inkscape::Selection *selection,
 507                                                    gpointer data );
 508
 509 static void sp_stroke_style_line_update(SPWidget *spw, Inkscape::Selection *sel);
 510
 511 static void sp_stroke_style_set_join_buttons(SPWidget *spw,
 512                                              GtkWidget *active);
 513
 514 static void sp_stroke_style_set_cap_buttons(SPWidget *spw,
 515                                             GtkWidget *active);
 516
 517 static void sp_stroke_style_width_changed(GtkAdjustment *adj, SPWidget *spw);
 518 static void sp_stroke_style_miterlimit_changed(GtkAdjustment *adj, SPWidget *spw);
 519 static void sp_stroke_style_any_toggled(GtkToggleButton *tb, SPWidget *spw);
 520 static void sp_stroke_style_line_dash_changed(SPDashSelector *dsel,
 521                                               SPWidget *spw);
 522
 523 static void sp_stroke_style_update_marker_menus(SPWidget *spw, GSList const *objects);
 524
 525
 526 /**
 527  * Helper function for creating radio buttons.  This should probably be re-thought out
 528  * when reimplementing this with Gtkmm.
 529  */
 530 static GtkWidget *
 531 sp_stroke_radio_button(GtkWidget *tb, char const *icon,
 532                        GtkWidget *hb, GtkWidget *spw,
 533                        gchar const *key, gchar const *data)
 534 {
 535     g_assert(icon != NULL);
 536     g_assert(hb  != NULL);
 537     g_assert(spw != NULL);
 538
 539     if (tb == NULL) {
 540         tb = gtk_radio_button_new(NULL);
 541     } else {
 542         tb = gtk_radio_button_new(gtk_radio_button_group(GTK_RADIO_BUTTON(tb)) );
 543     }
 544
 545     gtk_widget_show(tb);
 546     gtk_toggle_button_set_mode(GTK_TOGGLE_BUTTON(tb), FALSE);
 547     gtk_box_pack_start(GTK_BOX(hb), tb, FALSE, FALSE, 0);
 548     gtk_object_set_data(GTK_OBJECT(spw), icon, tb);
 549     gtk_object_set_data(GTK_OBJECT(tb), key, (gpointer*)data);
 550     gtk_signal_connect(GTK_OBJECT(tb), "toggled",
 551                        GTK_SIGNAL_FUNC(sp_stroke_style_any_toggled),
 552                        spw);
 553     GtkWidget *px = sp_icon_new(Inkscape::ICON_SIZE_LARGE_TOOLBAR, icon);
 554     g_assert(px != NULL);
 555     gtk_widget_show(px);
 556     gtk_container_add(GTK_CONTAINER(tb), px);
 557
 558     return tb;
 559
 560 }
 561
 562 static void
 563 sp_stroke_style_widget_transientize_callback(Inkscape::Application *inkscape,
 564                                         SPDesktop *desktop,
 565                                         SPWidget *spw )
 566 {
 567 // TODO:  Either of these will cause crashes sometimes
 568 //    sp_stroke_style_line_update( SP_WIDGET(spw), desktop ? sp_desktop_selection(desktop) : NULL);
 569 //    ink_markers_menu_update(spw);
 570 }
 571
 572 /**
 573  * Creates a copy of the marker named mname, determines its visible and renderable
 574  * area in menu_id's bounding box, and then renders it.  This allows us to fill in
 575  * preview images of each marker in the marker menu.
 576  */
 577 static GtkWidget *
 578 sp_marker_prev_new(unsigned psize, gchar const *mname,
 579                    SPDocument *source, SPDocument *sandbox,
 580                    gchar *menu_id, NRArena const *arena, unsigned visionkey, NRArenaItem *root)
 581 {
 582     // Retrieve the marker named 'mname' from the source SVG document
 583     SPObject const *marker = source->getObjectById(mname);
 584     if (marker == NULL)
 585         return NULL;
 586
 587     // Create a copy repr of the marker with id="sample"
 588     Inkscape::XML::Node *mrepr = SP_OBJECT_REPR (marker)->duplicate();
 589     mrepr->setAttribute("id", "sample");
 590
 591     // Replace the old sample in the sandbox by the new one
 592     Inkscape::XML::Node *defsrepr = SP_OBJECT_REPR (sandbox->getObjectById("defs"));
 593     SPObject *oldmarker = sandbox->getObjectById("sample");
 594     if (oldmarker)
 595         oldmarker->deleteObject(false);
 596     defsrepr->appendChild(mrepr);
 597     Inkscape::GC::release(mrepr);
 598
 599 // Uncomment this to get the sandbox documents saved (useful for debugging)
 600     //FILE *fp = fopen (g_strconcat(mname, ".svg", NULL), "w");
 601     //sp_repr_save_stream (sp_document_repr_doc (sandbox), fp);
 602     //fclose (fp);
 603
 604     // object to render; note that the id is the same as that of the menu we're building
 605     SPObject *object = sandbox->getObjectById(menu_id);
 606     sp_document_root (sandbox)->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
 607     sp_document_ensure_up_to_date(sandbox);
 608
 609     if (object == NULL || !SP_IS_ITEM(object))
 610         return NULL; // sandbox broken?
 611
 612     // Find object's bbox in document
 613     NR::Matrix const i2doc(sp_item_i2doc_affine(SP_ITEM(object)));
 614     NR::Maybe<NR::Rect> dbox = SP_ITEM(object)->getBounds(i2doc);
 615
 616     if (!dbox) {
 617         return NULL;
 618     }
 619
 620     /* Update to renderable state */
 621     double sf = 0.8;
 622     GdkPixbuf* pixbuf = NULL;
 623
 624     Glib::ustring key = svg_preview_cache.cache_key(source->uri, mname, psize);
 625     pixbuf = svg_preview_cache.get_preview_from_cache(key);
 626
 627     if (pixbuf == NULL) {
 628         pixbuf = render_pixbuf(root, sf, *dbox, psize);
 629         svg_preview_cache.set_preview_in_cache(key, pixbuf);
 630     }
 631
 632     // Create widget
 633     GtkWidget *pb = gtk_image_new_from_pixbuf(pixbuf);
 634
 635     return pb;
 636 }
 637
 638
 639 /**
 640  *  Returns a list of markers in the defs of the given source document as a GSList object
 641  *  Returns NULL if there are no markers in the document.
 642  */
 643 GSList *
 644 ink_marker_list_get (SPDocument *source)
 645 {
 646     if (source == NULL)
 647         return NULL;
 648
 649     GSList *ml   = NULL;
 650     SPDefs *defs = (SPDefs *) SP_DOCUMENT_DEFS (source);
 651     for ( SPObject *child = sp_object_first_child(SP_OBJECT(defs));
 652           child != NULL;
 653           child = SP_OBJECT_NEXT (child) )
 654     {
 655         if (SP_IS_MARKER(child)) {
 656             ml = g_slist_prepend (ml, child);
 657         }
 658     }
 659     return ml;
 660 }
 661
 662 #define MARKER_ITEM_MARGIN 0
 663
 664 /**
 665  * Adds previews of markers in marker_list to the given menu widget
 666  */
 667 static void
 668 sp_marker_menu_build (GtkWidget *m, GSList *marker_list, SPDocument *source, SPDocument *sandbox, gchar *menu_id)
 669 {
 670     // Do this here, outside of loop, to speed up preview generation:
 671     NRArena const *arena = NRArena::create();
 672     unsigned const visionkey = sp_item_display_key_new(1);
 673     NRArenaItem *root =  sp_item_invoke_show( SP_ITEM(SP_DOCUMENT_ROOT (sandbox)), (NRArena *) arena, visionkey, SP_ITEM_SHOW_DISPLAY );
 674
 675     for (; marker_list != NULL; marker_list = marker_list->next) {
 676         Inkscape::XML::Node *repr = SP_OBJECT_REPR((SPItem *) marker_list->data);
 677         GtkWidget *i = gtk_menu_item_new();
 678         gtk_widget_show(i);
 679
 680         if (repr->attribute("inkscape:stockid"))
 681             g_object_set_data (G_OBJECT(i), "stockid", (void *) "true");
 682         else
 683             g_object_set_data (G_OBJECT(i), "stockid", (void *) "false");
 684
 685         gchar const *markid = repr->attribute("id");
 686         g_object_set_data (G_OBJECT(i), "marker", (void *) markid);
 687
 688         GtkWidget *hb = gtk_hbox_new(FALSE, MARKER_ITEM_MARGIN);
 689         gtk_widget_show(hb);
 690
 691         // generate preview
 692
 693         GtkWidget *prv = sp_marker_prev_new (22, markid, source, sandbox, menu_id, arena, visionkey, root);
 694         gtk_widget_show(prv);
 695         gtk_box_pack_start(GTK_BOX(hb), prv, FALSE, FALSE, 6);
 696
 697         // create label
 698         GtkWidget *l = gtk_label_new(repr->attribute("id"));
 699         gtk_widget_show(l);
 700         gtk_misc_set_alignment(GTK_MISC(l), 0.0, 0.5);
 701
 702         gtk_box_pack_start(GTK_BOX(hb), l, TRUE, TRUE, 0);
 703
 704         gtk_widget_show(hb);
 705         gtk_container_add(GTK_CONTAINER(i), hb);
 706
 707         gtk_menu_append(GTK_MENU(m), i);
 708     }
 709 }
 710
 711 /**
 712  * sp_marker_list_from_doc()
 713  *
 714  * \brief Pick up all markers from source, except those that are in
 715  * current_doc (if non-NULL), and add items to the m menu
 716  *
 717  */
 718 static void
 719 sp_marker_list_from_doc (GtkWidget *m, SPDocument *current_doc, SPDocument *source, SPDocument *markers_doc, SPDocument *sandbox, gchar *menu_id)
 720 {
 721     GSList *ml = ink_marker_list_get(source);
 722     GSList *clean_ml = NULL;
 723
 724     for (; ml != NULL; ml = ml->next) {
 725         if (!SP_IS_MARKER(ml->data))
 726             continue;
 727
 728         // Add to the list of markers we really do wish to show
 729         clean_ml = g_slist_prepend (clean_ml, ml->data);
 730     }
 731     sp_marker_menu_build (m, clean_ml, source, sandbox, menu_id);
 732
 733     g_slist_free (ml);
 734     g_slist_free (clean_ml);
 735 }
 736
 737
 738 /**
 739  * Returns a new document containing default start, mid, and end markers.
 740  */
 741 SPDocument *
 742 ink_markers_preview_doc ()
 743 {
 744 gchar const *buffer = "<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:sodipodi=\"http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd\" xmlns:inkscape=\"http://www.inkscape.org/namespaces/inkscape\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">"
 745 "  <defs id=\"defs\" />"
 746
 747 "  <g id=\"marker-start\">"
 748 "    <path style=\"fill:none;stroke:black;stroke-width:1.7;marker-start:url(#sample);marker-mid:none;marker-end:none\""
 749 "       d=\"M 12.5,13 L 25,13\" id=\"path1\" />"
 750 "    <rect style=\"fill:none;stroke:none\" id=\"rect2\""
 751 "       width=\"25\" height=\"25\" x=\"0\" y=\"0\" />"
 752 "  </g>"
 753
 754 "  <g id=\"marker-mid\">"
 755 "    <path style=\"fill:none;stroke:black;stroke-width:1.7;marker-start:none;marker-mid:url(#sample);marker-end:none\""
 756 "       d=\"M 0,113 L 12.5,113 L 25,113\" id=\"path11\" />"
 757 "    <rect style=\"fill:none;stroke:none\" id=\"rect22\""
 758 "       width=\"25\" height=\"25\" x=\"0\" y=\"100\" />"
 759 "  </g>"
 760
 761 "  <g id=\"marker-end\">"
 762 "    <path style=\"fill:none;stroke:black;stroke-width:1.7;marker-start:none;marker-mid:none;marker-end:url(#sample)\""
 763 "       d=\"M 0,213 L 12.5,213\" id=\"path111\" />"
 764 "    <rect style=\"fill:none;stroke:none\" id=\"rect222\""
 765 "       width=\"25\" height=\"25\" x=\"0\" y=\"200\" />"
 766 "  </g>"
 767
 768 "</svg>";
 769
 770     return sp_document_new_from_mem (buffer, strlen(buffer), FALSE);
 771 }
 772
 773 static void
 774 ink_marker_menu_create_menu(GtkWidget *m, gchar *menu_id, SPDocument *doc, SPDocument *sandbox)
 775 {
 776     static SPDocument *markers_doc = NULL;
 777
 778     // add "None"
 779     GtkWidget *i = gtk_menu_item_new();
 780     gtk_widget_show(i);
 781
 782     g_object_set_data(G_OBJECT(i), "marker", (void *) "none");
 783
 784     GtkWidget *hb = gtk_hbox_new(FALSE,  MARKER_ITEM_MARGIN);
 785     gtk_widget_show(hb);
 786
 787     GtkWidget *l = gtk_label_new( _("None") );
 788     gtk_widget_show(l);
 789     gtk_misc_set_alignment(GTK_MISC(l), 0.0, 0.5);
 790
 791     gtk_box_pack_start(GTK_BOX(hb), l, TRUE, TRUE, 0);
 792
 793     gtk_widget_show(hb);
 794     gtk_container_add(GTK_CONTAINER(i), hb);
 795     gtk_menu_append(GTK_MENU(m), i);
 796
 797     // find and load  markers.svg
 798     if (markers_doc == NULL) {
 799         char *markers_source = g_build_filename(INKSCAPE_MARKERSDIR, "markers.svg", NULL);
 800         if (Inkscape::IO::file_test(markers_source, G_FILE_TEST_IS_REGULAR)) {
 801             markers_doc = sp_document_new(markers_source, FALSE);
 802         }
 803         g_free(markers_source);
 804     }
 805
 806     // suck in from current doc
 807     sp_marker_list_from_doc ( m, NULL, doc, markers_doc, sandbox, menu_id );
 808
 809     // add separator
 810     {
 811         GtkWidget *i = gtk_separator_menu_item_new();
 812         gtk_widget_show(i);
 813         gtk_menu_append(GTK_MENU(m), i);
 814     }
 815
 816     // suck in from markers.svg
 817     if (markers_doc) {
 818         sp_document_ensure_up_to_date(doc);
 819         sp_marker_list_from_doc ( m, doc, markers_doc, NULL, sandbox, menu_id );
 820     }
 821
 822 }
 823
 824
 825 /**
 826  * Creates a menu widget to display markers from markers.svg
 827  */
 828 static GtkWidget *
 829 ink_marker_menu( GtkWidget *tbl, gchar *menu_id, SPDocument *sandbox)
 830 {
 831     SPDesktop *desktop = inkscape_active_desktop();
 832     SPDocument *doc = sp_desktop_document(desktop);
 833     GtkWidget *mnu = gtk_option_menu_new();
 834
 835     /* Create new menu widget */
 836     GtkWidget *m = gtk_menu_new();
 837     gtk_widget_show(m);
 838
 839     g_object_set_data(G_OBJECT(mnu), "updating", (gpointer) FALSE);
 840
 841     if (!doc) {
 842         GtkWidget *i = gtk_menu_item_new_with_label(_("No document selected"));
 843         gtk_widget_show(i);
 844         gtk_menu_append(GTK_MENU(m), i);
 845         gtk_widget_set_sensitive(mnu, FALSE);
 846
 847     } else {
 848         ink_marker_menu_create_menu(m, menu_id, doc, sandbox);
 849
 850         gtk_widget_set_sensitive(mnu, TRUE);
 851     }
 852
 853     gtk_object_set_data(GTK_OBJECT(mnu), "menu_id", menu_id);
 854     gtk_option_menu_set_menu(GTK_OPTION_MENU(mnu), m);
 855
 856     /* Set history */
 857     gtk_option_menu_set_history(GTK_OPTION_MENU(mnu), 0);
 858
 859     return mnu;
 860 }
 861
 862
 863 /**
 864  * Handles when user selects one of the markers from the marker menu.
 865  * Defines a uri string to refer to it, then applies it to all selected
 866  * items in the current desktop.
 867  */
 868 static void
 869 sp_marker_select(GtkOptionMenu *mnu, GtkWidget *spw)
 870 {
 871     if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
 872         return;
 873     }
 874
 875     SPDesktop *desktop = inkscape_active_desktop();
 876     SPDocument *document = sp_desktop_document(desktop);
 877     if (!document) {
 878         return;
 879     }
 880
 881     /* Get Marker */
 882     if (!g_object_get_data(G_OBJECT(gtk_menu_get_active(GTK_MENU(gtk_option_menu_get_menu(mnu)))),
 883                            "marker"))
 884     {
 885         return;
 886     }
 887     gchar *markid = (gchar *) g_object_get_data(G_OBJECT(gtk_menu_get_active(GTK_MENU(gtk_option_menu_get_menu(mnu)))),
 888                                                 "marker");
 889     gchar *marker = "";
 890     if (strcmp(markid, "none")){
 891        gchar *stockid = (gchar *) g_object_get_data(G_OBJECT(gtk_menu_get_active(GTK_MENU(gtk_option_menu_get_menu(mnu)))),
 892                                                 "stockid");
 893
 894        gchar *markurn = markid;
 895        if (!strcmp(stockid,"true")) markurn = g_strconcat("urn:inkscape:marker:",markid,NULL);
 896        SPObject *mark = get_stock_item(markurn);
 897        if (mark) {
 898             Inkscape::XML::Node *repr = SP_OBJECT_REPR(mark);
 899             marker = g_strconcat("url(#", repr->attribute("id"), ")", NULL);
 900         }
 901     } else {
 902         marker = markid;
 903     }
 904
 905     SPCSSAttr *css = sp_repr_css_attr_new();
 906     gchar *menu_id = (gchar *) g_object_get_data(G_OBJECT(mnu), "menu_id");
 907     sp_repr_css_set_property(css, menu_id, marker);
 908
 909     // Also update the marker dropdown menus, so the document's markers
 910     // show up at the top of the menu
 911 //    sp_stroke_style_line_update( SP_WIDGET(spw), desktop ? sp_desktop_selection(desktop) : NULL);
 912     ink_markers_menu_update(SP_WIDGET(spw));
 913
 914     Inkscape::Selection *selection = sp_desktop_selection(desktop);
 915     GSList const *items = selection->itemList();
 916     for (; items != NULL; items = items->next) {
 917          SPItem *item = (SPItem *) items->data;
 918          if (!SP_IS_SHAPE(item) || SP_IS_RECT(item)) // can't set marker to rect, until it's converted to using <path>
 919              continue;
 920          Inkscape::XML::Node *selrepr = SP_OBJECT_REPR((SPItem *) items->data);
 921          if (selrepr) {
 922              sp_repr_css_change_recursive(selrepr, css, "style");
 923          }
 924          SP_OBJECT(items->data)->requestModified(SP_OBJECT_MODIFIED_FLAG);
 925          SP_OBJECT(items->data)->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG);
 926      }
 927
 928     sp_repr_css_attr_unref(css);
 929
 930     sp_document_done(document, SP_VERB_DIALOG_FILL_STROKE,
 931                      _("Set markers"));
 932
 933 };
 934
 935 static int
 936 ink_marker_menu_get_pos(GtkMenu* mnu, gchar* markname) {
 937
 938     if (markname == NULL)
 939         markname = (gchar *) g_object_get_data(G_OBJECT(gtk_menu_get_active(mnu)), "marker");
 940
 941     if (markname == NULL)
 942         return 0;
 943
 944     GList *kids = GTK_MENU_SHELL(mnu)->children;
 945     int i = 0;
 946     for (; kids != NULL; kids = kids->next) {
 947         gchar *mark = (gchar *) g_object_get_data(G_OBJECT(kids->data), "marker");
 948         if ( mark && strcmp(mark, markname) == 0 ) {
 949             break;
 950         }
 951         i++;
 952     }
 953     return i;
 954 }
 955
 956 static void
 957 ink_markers_menu_update(SPWidget* spw) {
 958     SPDesktop  *desktop = inkscape_active_desktop();
 959     SPDocument *document = sp_desktop_document(desktop);
 960     SPDocument *sandbox = ink_markers_preview_doc ();
 961     GtkWidget  *m;
 962     int        pos;
 963
 964     gtk_signal_handler_block_by_func( GTK_OBJECT(marker_start_menu), GTK_SIGNAL_FUNC(sp_marker_select), spw);
 965     pos = ink_marker_menu_get_pos(GTK_MENU(gtk_option_menu_get_menu(GTK_OPTION_MENU(marker_start_menu))), NULL);
 966     m = gtk_menu_new();
 967     gtk_widget_show(m);
 968     ink_marker_menu_create_menu(m, "marker-start", document, sandbox);
 969     gtk_option_menu_remove_menu(GTK_OPTION_MENU(marker_start_menu));
 970     gtk_option_menu_set_menu(GTK_OPTION_MENU(marker_start_menu), m);
 971     gtk_option_menu_set_history(GTK_OPTION_MENU(marker_start_menu), pos);
 972     gtk_signal_handler_unblock_by_func( GTK_OBJECT(marker_start_menu), GTK_SIGNAL_FUNC(sp_marker_select), spw);
 973
 974     gtk_signal_handler_block_by_func( GTK_OBJECT(marker_mid_menu), GTK_SIGNAL_FUNC(sp_marker_select), spw);
 975     pos = ink_marker_menu_get_pos(GTK_MENU(gtk_option_menu_get_menu(GTK_OPTION_MENU(marker_mid_menu))), NULL);
 976     m = gtk_menu_new();
 977     gtk_widget_show(m);
 978     ink_marker_menu_create_menu(m, "marker-mid", document, sandbox);
 979     gtk_option_menu_remove_menu(GTK_OPTION_MENU(marker_mid_menu));
 980     gtk_option_menu_set_menu(GTK_OPTION_MENU(marker_mid_menu), m);
 981     gtk_option_menu_set_history(GTK_OPTION_MENU(marker_mid_menu), pos);
 982     gtk_signal_handler_unblock_by_func( GTK_OBJECT(marker_mid_menu), GTK_SIGNAL_FUNC(sp_marker_select), spw);
 983
 984     gtk_signal_handler_block_by_func( GTK_OBJECT(marker_end_menu), GTK_SIGNAL_FUNC(sp_marker_select), spw);
 985     pos = ink_marker_menu_get_pos(GTK_MENU(gtk_option_menu_get_menu(GTK_OPTION_MENU(marker_end_menu))), NULL);
 986     m = gtk_menu_new();
 987     gtk_widget_show(m);
 988     ink_marker_menu_create_menu(m, "marker-end", document, sandbox);
 989     gtk_option_menu_remove_menu(GTK_OPTION_MENU(marker_end_menu));
 990     gtk_option_menu_set_menu(GTK_OPTION_MENU(marker_end_menu), m);
 991     gtk_option_menu_set_history(GTK_OPTION_MENU(marker_end_menu), pos);
 992     gtk_signal_handler_unblock_by_func( GTK_OBJECT(marker_end_menu), GTK_SIGNAL_FUNC(sp_marker_select), spw);
 993 }
 994
 995 /**
 996  * Sets the stroke width units for all selected items.
 997  * Also handles absolute and dimensionless units.
 998  */
 999 static gboolean stroke_width_set_unit(SPUnitSelector *,
1000                                                  SPUnit const *old,
1001                                                  SPUnit const *new_units,
1002                                                  GObject *spw)
1003 {
1004     SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1005
1006     if (!desktop) {
1007         return FALSE;
1008     }
1009
1010     Inkscape::Selection *selection = sp_desktop_selection (desktop);
1011
1012     if (selection->isEmpty())
1013         return FALSE;
1014
1015     GSList const *objects = selection->itemList();
1016
1017     if ((old->base == SP_UNIT_ABSOLUTE || old->base == SP_UNIT_DEVICE) &&
1018        (new_units->base == SP_UNIT_DIMENSIONLESS)) {
1019
1020         /* Absolute to percentage */
1021         g_object_set_data (spw, "update", GUINT_TO_POINTER (TRUE));
1022
1023         GtkAdjustment *a = GTK_ADJUSTMENT(g_object_get_data (spw, "width"));
1024         float w = sp_units_get_pixels (a->value, *old);
1025
1026         gdouble average = stroke_average_width (objects);
1027
1028         if (average == NR_HUGE || average == 0)
1029             return FALSE;
1030
1031         gtk_adjustment_set_value (a, 100.0 * w / average);
1032
1033         g_object_set_data (spw, "update", GUINT_TO_POINTER (FALSE));
1034         return TRUE;
1035
1036     } else if ((old->base == SP_UNIT_DIMENSIONLESS) &&
1037               (new_units->base == SP_UNIT_ABSOLUTE || new_units->base == SP_UNIT_DEVICE)) {
1038
1039         /* Percentage to absolute */
1040         g_object_set_data (spw, "update", GUINT_TO_POINTER (TRUE));
1041
1042         GtkAdjustment *a = GTK_ADJUSTMENT(g_object_get_data (spw, "width"));
1043
1044         gdouble average = stroke_average_width (objects);
1045
1046         gtk_adjustment_set_value (a, sp_pixels_get_units (0.01 * a->value * average, *new_units));
1047
1048         g_object_set_data (spw, "update", GUINT_TO_POINTER (FALSE));
1049         return TRUE;
1050     }
1051
1052     return FALSE;
1053 }
1054
1055
1056 /**
1057  * \brief  Creates a new widget for the line stroke style.
1058  *
1059  */
1060 GtkWidget *
1061 sp_stroke_style_line_widget_new(void)
1062 {
1063     GtkWidget *spw, *f, *t, *hb, *sb, *us, *tb, *ds;
1064     GtkObject *a;
1065
1066     GtkTooltips *tt = gtk_tooltips_new();
1067
1068     spw = sp_widget_new_global(INKSCAPE);
1069
1070     f = gtk_hbox_new (FALSE, 0);
1071     gtk_widget_show(f);
1072     gtk_container_add(GTK_CONTAINER(spw), f);
1073
1074     t = gtk_table_new(3, 6, FALSE);
1075     gtk_widget_show(t);
1076     gtk_container_set_border_width(GTK_CONTAINER(t), 4);
1077     gtk_table_set_row_spacings(GTK_TABLE(t), 4);
1078     gtk_container_add(GTK_CONTAINER(f), t);
1079     gtk_object_set_data(GTK_OBJECT(spw), "stroke", t);
1080
1081     gint i = 0;
1082
1083     /* Stroke width */
1084     spw_label(t, _("Width:"), 0, i);
1085
1086     hb = spw_hbox(t, 3, 1, i);
1087
1088 // TODO: when this is gtkmmified, use an Inkscape::UI::Widget::ScalarUnit instead of the separate
1089 // spinbutton and unit selector for stroke width. In sp_stroke_style_line_update, use
1090 // setHundredPercent to remember the aeraged width corresponding to 100%. Then the
1091 // stroke_width_set_unit will be removed (because ScalarUnit takes care of conversions itself), and
1092 // with it, the two remaining calls of stroke_average_width, allowing us to get rid of that
1093 // function in desktop-style.
1094
1095     a = gtk_adjustment_new(1.0, 0.0, 1000.0, 0.1, 10.0, 10.0);
1096     gtk_object_set_data(GTK_OBJECT(spw), "width", a);
1097     sb = gtk_spin_button_new(GTK_ADJUSTMENT(a), 0.1, 3);
1098     gtk_tooltips_set_tip(tt, sb, _("Stroke width"), NULL);
1099     gtk_widget_show(sb);
1100
1101     sp_dialog_defocus_on_enter(sb);
1102
1103     gtk_box_pack_start(GTK_BOX(hb), sb, FALSE, FALSE, 0);
1104     us = sp_unit_selector_new(SP_UNIT_ABSOLUTE | SP_UNIT_DEVICE);
1105     SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1106     if (desktop)
1107         sp_unit_selector_set_unit (SP_UNIT_SELECTOR(us), sp_desktop_namedview(desktop)->doc_units);
1108     sp_unit_selector_add_unit(SP_UNIT_SELECTOR(us), &sp_unit_get_by_id(SP_UNIT_PERCENT), 0);
1109     g_signal_connect ( G_OBJECT (us), "set_unit", G_CALLBACK (stroke_width_set_unit), spw );
1110     gtk_widget_show(us);
1111     sp_unit_selector_add_adjustment( SP_UNIT_SELECTOR(us), GTK_ADJUSTMENT(a) );
1112     gtk_box_pack_start(GTK_BOX(hb), us, FALSE, FALSE, 0);
1113     gtk_object_set_data(GTK_OBJECT(spw), "units", us);
1114
1115     gtk_signal_connect( GTK_OBJECT(a), "value_changed", GTK_SIGNAL_FUNC(sp_stroke_style_width_changed), spw );
1116     i++;
1117
1118     /* Join type */
1119     // TRANSLATORS: The line join style specifies the shape to be used at the
1120     //  corners of paths. It can be "miter", "round" or "bevel".
1121     spw_label(t, _("Join:"), 0, i);
1122
1123     hb = spw_hbox(t, 3, 1, i);
1124
1125     tb = NULL;
1126
1127     tb = sp_stroke_radio_button(tb, INKSCAPE_STOCK_JOIN_MITER,
1128                                 hb, spw, "join", "miter");
1129
1130     // TRANSLATORS: Miter join: joining lines with a sharp (pointed) corner.
1131     //  For an example, draw a triangle with a large stroke width and modify the
1132     //  "Join" option (in the Fill and Stroke dialog).
1133     gtk_tooltips_set_tip(tt, tb, _("Miter join"), NULL);
1134
1135     tb = sp_stroke_radio_button(tb, INKSCAPE_STOCK_JOIN_ROUND,
1136                                 hb, spw, "join", "round");
1137
1138     // TRANSLATORS: Round join: joining lines with a rounded corner.
1139     //  For an example, draw a triangle with a large stroke width and modify the
1140     //  "Join" option (in the Fill and Stroke dialog).
1141     gtk_tooltips_set_tip(tt, tb, _("Round join"), NULL);
1142
1143     tb = sp_stroke_radio_button(tb, INKSCAPE_STOCK_JOIN_BEVEL,
1144                                 hb, spw, "join", "bevel");
1145
1146     // TRANSLATORS: Bevel join: joining lines with a blunted (flattened) corner.
1147     //  For an example, draw a triangle with a large stroke width and modify the
1148     //  "Join" option (in the Fill and Stroke dialog).
1149     gtk_tooltips_set_tip(tt, tb, _("Bevel join"), NULL);
1150
1151     i++;
1152
1153     /* Miterlimit  */
1154     // TRANSLATORS: Miter limit: only for "miter join", this limits the length
1155     //  of the sharp "spike" when the lines connect at too sharp an angle.
1156     // When two line segments meet at a sharp angle, a miter join results in a
1157     //  spike that extends well beyond the connection point. The purpose of the
1158     //  miter limit is to cut off such spikes (i.e. convert them into bevels)
1159     //  when they become too long.
1160     spw_label(t, _("Miter limit:"), 0, i);
1161
1162     hb = spw_hbox(t, 3, 1, i);
1163
1164     a = gtk_adjustment_new(4.0, 0.0, 100.0, 0.1, 10.0, 10.0);
1165     gtk_object_set_data(GTK_OBJECT(spw), "miterlimit", a);
1166
1167     sb = gtk_spin_button_new(GTK_ADJUSTMENT(a), 0.1, 2);
1168     gtk_tooltips_set_tip(tt, sb, _("Maximum length of the miter (in units of stroke width)"), NULL);
1169     gtk_widget_show(sb);
1170     gtk_object_set_data(GTK_OBJECT(spw), "miterlimit_sb", sb);
1171     sp_dialog_defocus_on_enter(sb);
1172
1173     gtk_box_pack_start(GTK_BOX(hb), sb, FALSE, FALSE, 0);
1174
1175     gtk_signal_connect( GTK_OBJECT(a), "value_changed",
1176                         GTK_SIGNAL_FUNC(sp_stroke_style_miterlimit_changed), spw );
1177     i++;
1178
1179     /* Cap type */
1180     // TRANSLATORS: cap type specifies the shape for the ends of lines
1181     spw_label(t, _("Cap:"), 0, i);
1182
1183     hb = spw_hbox(t, 3, 1, i);
1184
1185     tb = NULL;
1186
1187     tb = sp_stroke_radio_button(tb, INKSCAPE_STOCK_CAP_BUTT,
1188                                 hb, spw, "cap", "butt");
1189
1190     // TRANSLATORS: Butt cap: the line shape does not extend beyond the end point
1191     //  of the line; the ends of the line are square
1192     gtk_tooltips_set_tip(tt, tb, _("Butt cap"), NULL);
1193
1194     tb = sp_stroke_radio_button(tb, INKSCAPE_STOCK_CAP_ROUND,
1195                                 hb, spw, "cap", "round");
1196
1197     // TRANSLATORS: Round cap: the line shape extends beyond the end point of the
1198     //  line; the ends of the line are rounded
1199     gtk_tooltips_set_tip(tt, tb, _("Round cap"), NULL);
1200
1201     tb = sp_stroke_radio_button(tb, INKSCAPE_STOCK_CAP_SQUARE,
1202                                 hb, spw, "cap", "square");
1203
1204     // TRANSLATORS: Square cap: the line shape extends beyond the end point of the
1205     //  line; the ends of the line are square
1206     gtk_tooltips_set_tip(tt, tb, _("Square cap"), NULL);
1207
1208     i++;
1209
1210
1211     /* Dash */
1212     spw_label(t, _("Dashes:"), 0, i);
1213     ds = sp_dash_selector_new( inkscape_get_repr( INKSCAPE,
1214                                                   "palette.dashes") );
1215
1216     gtk_widget_show(ds);
1217     gtk_table_attach( GTK_TABLE(t), ds, 1, 4, i, i+1,
1218                       (GtkAttachOptions)( GTK_EXPAND | GTK_FILL ),
1219                       (GtkAttachOptions)0, 0, 0 );
1220     gtk_object_set_data(GTK_OBJECT(spw), "dash", ds);
1221     gtk_signal_connect( GTK_OBJECT(ds), "changed",
1222                         GTK_SIGNAL_FUNC(sp_stroke_style_line_dash_changed),
1223                         spw );
1224     i++;
1225
1226     /* Drop down marker selectors*/
1227
1228     // doing this here once, instead of for each preview, to speed things up
1229     SPDocument *sandbox = ink_markers_preview_doc ();
1230
1231     // TRANSLATORS: Path markers are an SVG feature that allows you to attach arbitrary shapes
1232     // (arrowheads, bullets, faces, whatever) to the start, end, or middle nodes of a path.
1233     spw_label(t, _("Start Markers:"), 0, i);
1234     marker_start_menu  = ink_marker_menu( spw ,"marker-start", sandbox);
1235     gtk_signal_connect( GTK_OBJECT(marker_start_menu), "changed", GTK_SIGNAL_FUNC(sp_marker_select), spw );
1236     gtk_widget_show(marker_start_menu);
1237     gtk_table_attach( GTK_TABLE(t), marker_start_menu, 1, 4, i, i+1,
1238                       (GtkAttachOptions)( GTK_EXPAND | GTK_FILL ),
1239                       (GtkAttachOptions)0, 0, 0 );
1240     gtk_object_set_data(GTK_OBJECT(spw), "start_mark_menu", marker_start_menu);
1241
1242     i++;
1243     spw_label(t, _("Mid Markers:"), 0, i);
1244     marker_mid_menu = ink_marker_menu( spw ,"marker-mid", sandbox);
1245     gtk_signal_connect( GTK_OBJECT(marker_mid_menu), "changed", GTK_SIGNAL_FUNC(sp_marker_select), spw );
1246     gtk_widget_show(marker_mid_menu);
1247     gtk_table_attach( GTK_TABLE(t), marker_mid_menu, 1, 4, i, i+1,
1248                       (GtkAttachOptions)( GTK_EXPAND | GTK_FILL ),
1249                       (GtkAttachOptions)0, 0, 0 );
1250     gtk_object_set_data(GTK_OBJECT(spw), "mid_mark_menu", marker_mid_menu);
1251
1252     i++;
1253     spw_label(t, _("End Markers:"), 0, i);
1254     marker_end_menu = ink_marker_menu( spw ,"marker-end", sandbox);
1255     gtk_signal_connect( GTK_OBJECT(marker_end_menu), "changed", GTK_SIGNAL_FUNC(sp_marker_select), spw );
1256     gtk_widget_show(marker_end_menu);
1257     gtk_table_attach( GTK_TABLE(t), marker_end_menu, 1, 4, i, i+1,
1258                       (GtkAttachOptions)( GTK_EXPAND | GTK_FILL ),
1259                       (GtkAttachOptions)0, 0, 0 );
1260     gtk_object_set_data(GTK_OBJECT(spw), "end_mark_menu", marker_end_menu);
1261
1262     i++;
1263
1264     gtk_signal_connect( GTK_OBJECT(spw), "construct",
1265                         GTK_SIGNAL_FUNC(sp_stroke_style_line_construct),
1266                         NULL );
1267     gtk_signal_connect( GTK_OBJECT(spw), "modify_selection",
1268                         GTK_SIGNAL_FUNC(sp_stroke_style_line_selection_modified),
1269                         NULL );
1270     gtk_signal_connect( GTK_OBJECT(spw), "change_selection",
1271                         GTK_SIGNAL_FUNC(sp_stroke_style_line_selection_changed),
1272                         NULL );
1273
1274     sp_stroke_style_line_update( SP_WIDGET(spw), desktop ? sp_desktop_selection(desktop) : NULL);
1275
1276     return spw;
1277 }
1278
1279
1280 /**
1281  * Callback for when the stroke style widget is called.  It causes
1282  * the stroke line style to be updated.
1283  */
1284 static void
1285 sp_stroke_style_line_construct(SPWidget *spw, gpointer data)
1286 {
1287
1288 #ifdef SP_SS_VERBOSE
1289     g_print( "Stroke style widget constructed: inkscape %p repr %p\n",
1290              spw->inkscape, spw->repr );
1291 #endif
1292     if (spw->inkscape) {
1293         sp_stroke_style_line_update(spw,
1294                                     ( SP_ACTIVE_DESKTOP
1295                                       ? sp_desktop_selection(SP_ACTIVE_DESKTOP)
1296                                       : NULL ));
1297     }
1298 }
1299
1300 /**
1301  * Callback for when stroke style widget is modified.
1302  * Triggers update action.
1303  */
1304 static void
1305 sp_stroke_style_line_selection_modified ( SPWidget *spw,
1306                                        Inkscape::Selection *selection,
1307                                        guint flags,
1308                                        gpointer data )
1309 {
1310     if (flags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_PARENT_MODIFIED_FLAG)) {
1311         sp_stroke_style_line_update (spw, selection);
1312     }
1313
1314 }
1315
1316 /**
1317  * Callback for when stroke style widget is changed.
1318  * Triggers update action.
1319  */
1320 static void
1321 sp_stroke_style_line_selection_changed ( SPWidget *spw,
1322                                        Inkscape::Selection *selection,
1323                                        gpointer data )
1324 {
1325     sp_stroke_style_line_update (spw, selection);
1326 }
1327
1328
1329 /**
1330  * Sets selector widgets' dash style from an SPStyle object.
1331  */
1332 static void
1333 sp_dash_selector_set_from_style (GtkWidget *dsel, SPStyle *style)
1334 {
1335     if (style->stroke_dash.n_dash > 0) {
1336         double d[64];
1337         int len = MIN(style->stroke_dash.n_dash, 64);
1338         for (int i = 0; i < len; i++) {
1339             if (style->stroke_width.computed != 0)
1340                 d[i] = style->stroke_dash.dash[i] / style->stroke_width.computed;
1341             else
1342                 d[i] = style->stroke_dash.dash[i]; // is there a better thing to do for stroke_width==0?
1343         }
1344         sp_dash_selector_set_dash(SP_DASH_SELECTOR(dsel), len, d,
1345                style->stroke_width.computed != 0?
1346                     style->stroke_dash.offset / style->stroke_width.computed  :
1347                     style->stroke_dash.offset);
1348     } else {
1349         sp_dash_selector_set_dash(SP_DASH_SELECTOR(dsel), 0, NULL, 0.0);
1350     }
1351 }
1352
1353 /**
1354  * Sets the join type for a line, and updates the stroke style widget's buttons
1355  */
1356 static void
1357 sp_jointype_set (SPWidget *spw, unsigned const jointype)
1358 {
1359     GtkWidget *tb = NULL;
1360     switch (jointype) {
1361         case SP_STROKE_LINEJOIN_MITER:
1362             tb = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), INKSCAPE_STOCK_JOIN_MITER));
1363             break;
1364         case SP_STROKE_LINEJOIN_ROUND:
1365             tb = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), INKSCAPE_STOCK_JOIN_ROUND));
1366             break;
1367         case SP_STROKE_LINEJOIN_BEVEL:
1368             tb = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), INKSCAPE_STOCK_JOIN_BEVEL));
1369             break;
1370         default:
1371             break;
1372     }
1373     sp_stroke_style_set_join_buttons (spw, tb);
1374 }
1375
1376 /**
1377  * Sets the cap type for a line, and updates the stroke style widget's buttons
1378  */
1379 static void
1380 sp_captype_set (SPWidget *spw, unsigned const captype)
1381 {
1382     GtkWidget *tb = NULL;
1383     switch (captype) {
1384         case SP_STROKE_LINECAP_BUTT:
1385             tb = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), INKSCAPE_STOCK_CAP_BUTT));
1386             break;
1387         case SP_STROKE_LINECAP_ROUND:
1388             tb = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), INKSCAPE_STOCK_CAP_ROUND));
1389             break;
1390         case SP_STROKE_LINECAP_SQUARE:
1391             tb = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), INKSCAPE_STOCK_CAP_SQUARE));
1392             break;
1393         default:
1394             break;
1395     }
1396     sp_stroke_style_set_cap_buttons (spw, tb);
1397 }
1398
1399 /**
1400  * Callback for when stroke style widget is updated, including markers, cap type,
1401  * join type, etc.
1402  */
1403 static void
1404 sp_stroke_style_line_update(SPWidget *spw, Inkscape::Selection *sel)
1405 {
1406     if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
1407         return;
1408     }
1409
1410     gtk_object_set_data(GTK_OBJECT(spw), "update", GINT_TO_POINTER(TRUE));
1411
1412     GtkWidget *sset = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), "stroke"));
1413     GtkObject *width = GTK_OBJECT(gtk_object_get_data(GTK_OBJECT(spw), "width"));
1414     GtkObject *ml = GTK_OBJECT(gtk_object_get_data(GTK_OBJECT(spw), "miterlimit"));
1415     GtkWidget *us = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), "units"));
1416     GtkWidget *dsel = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), "dash"));
1417
1418     // create temporary style
1419     SPStyle *query = sp_style_new ();
1420     // query into it
1421     int result_sw = sp_desktop_query_style (SP_ACTIVE_DESKTOP, query, QUERY_STYLE_PROPERTY_STROKEWIDTH);
1422     int result_ml = sp_desktop_query_style (SP_ACTIVE_DESKTOP, query, QUERY_STYLE_PROPERTY_STROKEMITERLIMIT);
1423     int result_cap = sp_desktop_query_style (SP_ACTIVE_DESKTOP, query, QUERY_STYLE_PROPERTY_STROKECAP);
1424     int result_join = sp_desktop_query_style (SP_ACTIVE_DESKTOP, query, QUERY_STYLE_PROPERTY_STROKEJOIN);
1425
1426     if (result_sw == QUERY_STYLE_NOTHING) {
1427         /* No objects stroked, set insensitive */
1428         gtk_widget_set_sensitive(sset, FALSE);
1429
1430         gtk_object_set_data(GTK_OBJECT(spw), "update", GINT_TO_POINTER(FALSE));
1431         return;
1432     } else {
1433         gtk_widget_set_sensitive(sset, TRUE);
1434
1435         SPUnit const *unit = sp_unit_selector_get_unit(SP_UNIT_SELECTOR(us));
1436
1437         if (result_sw == QUERY_STYLE_MULTIPLE_AVERAGED) {
1438             sp_unit_selector_set_unit(SP_UNIT_SELECTOR(us), &sp_unit_get_by_id(SP_UNIT_PERCENT));
1439         } else {
1440             // same width, or only one object; no sense to keep percent, switch to absolute
1441             if (unit->base != SP_UNIT_ABSOLUTE && unit->base != SP_UNIT_DEVICE) {
1442                 sp_unit_selector_set_unit(SP_UNIT_SELECTOR(us), sp_desktop_namedview(SP_ACTIVE_DESKTOP)->doc_units);
1443             }
1444         }
1445
1446         unit = sp_unit_selector_get_unit (SP_UNIT_SELECTOR (us));
1447
1448         if (unit->base == SP_UNIT_ABSOLUTE || unit->base == SP_UNIT_DEVICE) {
1449             double avgwidth = sp_pixels_get_units (query->stroke_width.computed, *unit);
1450             gtk_adjustment_set_value(GTK_ADJUSTMENT(width), avgwidth);
1451         } else {
1452             gtk_adjustment_set_value(GTK_ADJUSTMENT(width), 100);
1453         }
1454     }
1455
1456     if (result_ml != QUERY_STYLE_NOTHING)
1457         gtk_adjustment_set_value(GTK_ADJUSTMENT(ml), query->stroke_miterlimit.value); // TODO: reflect averagedness?
1458
1459     if (result_join != QUERY_STYLE_MULTIPLE_DIFFERENT) {
1460         sp_jointype_set (spw, query->stroke_linejoin.value);
1461     } else {
1462         sp_stroke_style_set_join_buttons(spw, NULL);
1463     }
1464
1465     if (result_cap != QUERY_STYLE_MULTIPLE_DIFFERENT) {
1466         sp_captype_set (spw, query->stroke_linecap.value);
1467     } else {
1468         sp_stroke_style_set_cap_buttons(spw, NULL);
1469     }
1470
1471     g_free (query);
1472
1473     if (!sel || sel->isEmpty())
1474         return;
1475
1476     GSList const *objects = sel->itemList();
1477     SPObject * const object = SP_OBJECT(objects->data);
1478     SPStyle * const style = SP_OBJECT_STYLE(object);
1479
1480     /* Markers */
1481     sp_stroke_style_update_marker_menus(spw, objects); // FIXME: make this desktop query too
1482
1483     /* Dash */
1484     sp_dash_selector_set_from_style (dsel, style); // FIXME: make this desktop query too
1485
1486     gtk_widget_set_sensitive(sset, TRUE);
1487
1488     gtk_object_set_data(GTK_OBJECT(spw), "update",
1489                         GINT_TO_POINTER(FALSE));
1490 }
1491
1492 /**
1493  * Sets a line's dash properties in a CSS style object.
1494  */
1495 static void
1496 sp_stroke_style_set_scaled_dash(SPCSSAttr *css,
1497                                 int ndash, double *dash, double offset,
1498                                 double scale)
1499 {
1500     if (ndash > 0) {
1501         Inkscape::CSSOStringStream osarray;
1502         for (int i = 0; i < ndash; i++) {
1503             osarray << dash[i] * scale;
1504             if (i < (ndash - 1)) {
1505                 osarray << ",";
1506             }
1507         }
1508         sp_repr_css_set_property(css, "stroke-dasharray", osarray.str().c_str());
1509
1510         Inkscape::CSSOStringStream osoffset;
1511         osoffset << offset * scale;
1512         sp_repr_css_set_property(css, "stroke-dashoffset", osoffset.str().c_str());
1513     } else {
1514         sp_repr_css_set_property(css, "stroke-dasharray", "none");
1515         sp_repr_css_set_property(css, "stroke-dashoffset", NULL);
1516     }
1517 }
1518
1519 /**
1520  * Sets line properties like width, dashes, markers, etc. on all currently selected items.
1521  */
1522 static void
1523 sp_stroke_style_scale_line(SPWidget *spw)
1524 {
1525     if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
1526         return;
1527     }
1528
1529     gtk_object_set_data(GTK_OBJECT(spw), "update", GINT_TO_POINTER(TRUE));
1530
1531     GtkAdjustment *wadj = GTK_ADJUSTMENT(gtk_object_get_data(GTK_OBJECT(spw), "width"));
1532     SPUnitSelector *us = SP_UNIT_SELECTOR(gtk_object_get_data(GTK_OBJECT(spw), "units"));
1533     SPDashSelector *dsel = SP_DASH_SELECTOR(gtk_object_get_data(GTK_OBJECT(spw), "dash"));
1534     GtkAdjustment *ml = GTK_ADJUSTMENT(gtk_object_get_data(GTK_OBJECT(spw), "miterlimit"));
1535
1536     SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1537     SPDocument *document = sp_desktop_document (desktop);
1538     Inkscape::Selection *selection = sp_desktop_selection (desktop);
1539
1540     GSList const *items = selection->itemList();
1541
1542     /* TODO: Create some standardized method */
1543     SPCSSAttr *css = sp_repr_css_attr_new();
1544
1545     if (items) {
1546
1547         double width_typed = wadj->value;
1548         double const miterlimit = ml->value;
1549
1550         SPUnit const *const unit = sp_unit_selector_get_unit(SP_UNIT_SELECTOR(us));
1551
1552         double *dash, offset;
1553         int ndash;
1554         sp_dash_selector_get_dash(dsel, &ndash, &dash, &offset);
1555
1556         for (GSList const *i = items; i != NULL; i = i->next) {
1557             /* Set stroke width */
1558             double width;
1559             if (unit->base == SP_UNIT_ABSOLUTE || unit->base == SP_UNIT_DEVICE) {
1560                 width = sp_units_get_pixels (width_typed, *unit);
1561             } else { // percentage
1562                 gdouble old_w = SP_OBJECT_STYLE (i->data)->stroke_width.computed;
1563                 width = old_w * width_typed / 100;
1564             }
1565
1566             {
1567                 Inkscape::CSSOStringStream os_width;
1568                 os_width << width;
1569                 sp_repr_css_set_property(css, "stroke-width", os_width.str().c_str());
1570             }
1571
1572             {
1573                 Inkscape::CSSOStringStream os_ml;
1574                 os_ml << miterlimit;
1575                 sp_repr_css_set_property(css, "stroke-miterlimit", os_ml.str().c_str());
1576             }
1577
1578             /* Set dash */
1579             sp_stroke_style_set_scaled_dash(css, ndash, dash, offset, width);
1580
1581             sp_desktop_apply_css_recursive (SP_OBJECT(i->data), css, true);
1582         }
1583
1584         g_free(dash);
1585
1586         if (unit->base != SP_UNIT_ABSOLUTE && unit->base != SP_UNIT_DEVICE) {
1587             // reset to 100 percent
1588             gtk_adjustment_set_value (wadj, 100.0);
1589         }
1590
1591     }
1592
1593     // we have already changed the items, so set style without changing selection
1594     // FIXME: move the above stroke-setting stuff, including percentages, to desktop-style
1595     sp_desktop_set_style (desktop, css, false);
1596
1597     sp_repr_css_attr_unref(css);
1598
1599     sp_document_done(document, SP_VERB_DIALOG_FILL_STROKE,
1600                      _("Set stroke style"));
1601
1602     gtk_object_set_data(GTK_OBJECT(spw), "update", GINT_TO_POINTER(FALSE));
1603 }
1604
1605
1606 /**
1607  * Callback for when the stroke style's width changes.
1608  * Causes all line styles to be applied to all selected items.
1609  */
1610 static void
1611 sp_stroke_style_width_changed(GtkAdjustment *adj, SPWidget *spw)
1612 {
1613     if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
1614         return;
1615     }
1616
1617     sp_stroke_style_scale_line(spw);
1618 }
1619
1620 /**
1621  * Callback for when the stroke style's miterlimit changes.
1622  * Causes all line styles to be applied to all selected items.
1623  */
1624 static void
1625 sp_stroke_style_miterlimit_changed(GtkAdjustment *adj, SPWidget *spw)
1626 {
1627     if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
1628         return;
1629     }
1630
1631     sp_stroke_style_scale_line(spw);
1632 }
1633
1634 /**
1635  * Callback for when the stroke style's dash changes.
1636  * Causes all line styles to be applied to all selected items.
1637  */
1638 static void
1639 sp_stroke_style_line_dash_changed(SPDashSelector *dsel, SPWidget *spw)
1640 {
1641     if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
1642         return;
1643     }
1644
1645     sp_stroke_style_scale_line(spw);
1646 }
1647
1648
1649
1650 /**
1651  * \brief  This routine handles toggle events for buttons in the stroke style
1652  *         dialog.
1653  * When activated, this routine gets the data for the various widgets, and then
1654  * calls the respective routines to update css properties, etc.
1655  *
1656  */
1657 static void
1658 sp_stroke_style_any_toggled(GtkToggleButton *tb, SPWidget *spw)
1659 {
1660     if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
1661         return;
1662     }
1663
1664     if (gtk_toggle_button_get_active(tb)) {
1665
1666         gchar const *join
1667             = static_cast<gchar const *>(gtk_object_get_data(GTK_OBJECT(tb), "join"));
1668         gchar const *cap
1669             = static_cast<gchar const *>(gtk_object_get_data(GTK_OBJECT(tb), "cap"));
1670
1671         if (join) {
1672             GtkWidget *ml = GTK_WIDGET(g_object_get_data(G_OBJECT(spw), "miterlimit_sb"));
1673             gtk_widget_set_sensitive (ml, !strcmp(join, "miter"));
1674         }
1675
1676         SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1677
1678         /* TODO: Create some standardized method */
1679         SPCSSAttr *css = sp_repr_css_attr_new();
1680
1681         if (join) {
1682             sp_repr_css_set_property(css, "stroke-linejoin", join);
1683
1684             sp_desktop_set_style (desktop, css);
1685
1686             sp_stroke_style_set_join_buttons(spw, GTK_WIDGET(tb));
1687         } else if (cap) {
1688             sp_repr_css_set_property(css, "stroke-linecap", cap);
1689
1690             sp_desktop_set_style (desktop, css);
1691
1692             sp_stroke_style_set_cap_buttons(spw, GTK_WIDGET(tb));
1693         }
1694
1695         sp_repr_css_attr_unref(css);
1696
1697         sp_document_done(sp_desktop_document(desktop), SP_VERB_DIALOG_FILL_STROKE,
1698                          _("Set stroke style"));
1699     }
1700 }
1701
1702
1703 /**
1704  * Updates the join style toggle buttons
1705  */
1706 static void
1707 sp_stroke_style_set_join_buttons(SPWidget *spw, GtkWidget *active)
1708 {
1709     GtkWidget *tb;
1710
1711     tb = GTK_WIDGET(gtk_object_get_data( GTK_OBJECT(spw),
1712                                          INKSCAPE_STOCK_JOIN_MITER) );
1713     gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tb), (active == tb));
1714
1715     GtkWidget *ml = GTK_WIDGET(g_object_get_data(G_OBJECT(spw), "miterlimit_sb"));
1716     gtk_widget_set_sensitive(ml, (active == tb));
1717
1718     tb = GTK_WIDGET(gtk_object_get_data( GTK_OBJECT(spw),
1719                                          INKSCAPE_STOCK_JOIN_ROUND) );
1720     gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tb), (active == tb));
1721     tb = GTK_WIDGET(gtk_object_get_data( GTK_OBJECT(spw),
1722                                          INKSCAPE_STOCK_JOIN_BEVEL) );
1723     gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tb), (active == tb));
1724 }
1725
1726
1727
1728 /**
1729  * Updates the cap style toggle buttons
1730  */
1731 static void
1732 sp_stroke_style_set_cap_buttons(SPWidget *spw, GtkWidget *active)
1733 {
1734     GtkWidget *tb;
1735
1736     tb = GTK_WIDGET(gtk_object_get_data( GTK_OBJECT(spw),
1737                                          INKSCAPE_STOCK_CAP_BUTT));
1738     gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tb), (active == tb));
1739     tb = GTK_WIDGET(gtk_object_get_data( GTK_OBJECT(spw),
1740                                          INKSCAPE_STOCK_CAP_ROUND) );
1741     gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tb), (active == tb));
1742     tb = GTK_WIDGET(gtk_object_get_data( GTK_OBJECT(spw),
1743                                          INKSCAPE_STOCK_CAP_SQUARE) );
1744     gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tb), (active == tb));
1745 }
1746
1747 /**
1748  * Sets the current marker in the marker menu.
1749  */
1750 static void
1751 ink_marker_menu_set_current(SPObject *marker, GtkOptionMenu *mnu)
1752 {
1753     gtk_object_set_data(GTK_OBJECT(mnu), "update", GINT_TO_POINTER(TRUE));
1754
1755     GtkMenu *m = GTK_MENU(gtk_option_menu_get_menu(mnu));
1756     if (marker != NULL) {
1757         bool mark_is_stock = false;
1758         if (SP_OBJECT_REPR(marker)->attribute("inkscape:stockid"))
1759             mark_is_stock = true;
1760
1761         gchar *markname;
1762         if (mark_is_stock)
1763             markname = g_strdup(SP_OBJECT_REPR(marker)->attribute("inkscape:stockid"));
1764         else
1765             markname = g_strdup(SP_OBJECT_REPR(marker)->attribute("id"));
1766
1767         int markpos = ink_marker_menu_get_pos(m, markname);
1768         gtk_option_menu_set_history(GTK_OPTION_MENU(mnu), markpos);
1769
1770         g_free (markname);
1771     }
1772     else {
1773         gtk_option_menu_set_history(GTK_OPTION_MENU(mnu), 0);
1774     }
1775     gtk_object_set_data(GTK_OBJECT(mnu), "update", GINT_TO_POINTER(FALSE));
1776 }
1777
1778 /**
1779  * Updates the marker menus to highlight the appropriate marker and scroll to
1780  * that marker.
1781  */
1782 static void
1783 sp_stroke_style_update_marker_menus( SPWidget *spw,
1784                                      GSList const *objects)
1785 {
1786     struct { char const *key; int loc; } const keyloc[] = {
1787         { "start_mark_menu", SP_MARKER_LOC_START },
1788         { "mid_mark_menu", SP_MARKER_LOC_MID },
1789         { "end_mark_menu", SP_MARKER_LOC_END }
1790     };
1791
1792     bool all_texts = true;
1793     for (GSList *i = (GSList *) objects; i != NULL; i = i->next) {
1794         if (!SP_IS_TEXT (i->data)) {
1795             all_texts = false;
1796         }
1797     }
1798
1799     for (unsigned i = 0; i < G_N_ELEMENTS(keyloc); ++i) {
1800         GtkOptionMenu *mnu = (GtkOptionMenu *) g_object_get_data(G_OBJECT(spw), keyloc[i].key);
1801         if (all_texts) {
1802             // Per SVG spec, text objects cannot have markers; disable menus if only texts are selected
1803             gtk_widget_set_sensitive (GTK_WIDGET(mnu), FALSE);
1804         } else {
1805             gtk_widget_set_sensitive (GTK_WIDGET(mnu), TRUE);
1806         }
1807     }
1808
1809     // We show markers of the first object in the list only
1810     // FIXME: use the first in the list that has the marker of each type, if any
1811     SPObject *object = SP_OBJECT(objects->data);
1812
1813     for (unsigned i = 0; i < G_N_ELEMENTS(keyloc); ++i) {
1814         // For all three marker types,
1815
1816         // find the corresponding menu
1817         GtkOptionMenu *mnu = (GtkOptionMenu *) g_object_get_data(G_OBJECT(spw), keyloc[i].key);
1818
1819         // Quit if we're in update state
1820         if (gtk_object_get_data(GTK_OBJECT(mnu), "update")) {
1821             return;
1822         }
1823
1824         if (object->style->marker[keyloc[i].loc].value != NULL && !all_texts) {
1825             // If the object has this type of markers,
1826
1827             // Extract the name of the marker that the object uses
1828             SPObject *marker = ink_extract_marker_name(object->style->marker[keyloc[i].loc].value);
1829             // Scroll the menu to that marker
1830             ink_marker_menu_set_current (marker, mnu);
1831
1832         } else {
1833             gtk_option_menu_set_history(GTK_OPTION_MENU(mnu), 0);
1834         }
1835     }
1836 }
1837
1838
1839 /**
1840  * Extract the actual name of the link
1841  * e.g. get mTriangle from url(#mTriangle).
1842  * \return Buffer containing the actual name, allocated from GLib;
1843  * the caller should free the buffer when they no longer need it.
1844  */
1845 static SPObject*
1846 ink_extract_marker_name(gchar const *n)
1847 {
1848     gchar const *p = n;
1849     while (*p != '\0' && *p != '#') {
1850         p++;
1851     }
1852
1853     if (*p == '\0' || p[1] == '\0') {
1854         return NULL;
1855     }
1856
1857     p++;
1858     int c = 0;
1859     while (p[c] != '\0' && p[c] != ')') {
1860         c++;
1861     }
1862
1863     if (p[c] == '\0') {
1864         return NULL;
1865     }
1866
1867     gchar* b = g_strdup(p);
1868     b[c] = '\0';
1869
1870     SPDesktop *desktop = inkscape_active_desktop();
1871     SPDocument *doc = sp_desktop_document(desktop);
1872     SPObject *marker = doc->getObjectById(b);
1873     return marker;
1874 }
1875
1876
1877 /*
1878   Local Variables:
1879   mode:c++
1880   c-file-style:"stroustrup"
1881   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1882   indent-tabs-mode:nil
1883   fill-column:99
1884   End:
1885 */
1886 // vim: filetype=c++:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :