152569a5afff59c0d39a9ed63091e0c41ae0bd03
1 #define __SP_STROKE_STYLE_C__
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 */
18 #define noSP_SS_VERBOSE
20 #ifdef HAVE_CONFIG_H
21 # include "config.h"
22 #endif
26 #include <glib/gmem.h>
27 #include <gtk/gtk.h>
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"
60 #include "dialogs/stroke-style.h"
62 /* Paint */
64 static void sp_stroke_style_paint_construct(SPWidget *spw, SPPaintSelector *psel);
65 static void sp_stroke_style_paint_selection_modified (SPWidget *spw, Inkscape::Selection *selection, guint flags, SPPaintSelector *psel);
66 static void sp_stroke_style_paint_selection_changed (SPWidget *spw, Inkscape::Selection *selection, SPPaintSelector *psel);
67 static void sp_stroke_style_paint_update(SPWidget *spw);
69 static void sp_stroke_style_paint_mode_changed(SPPaintSelector *psel, SPPaintSelectorMode mode, SPWidget *spw);
70 static void sp_stroke_style_paint_dragged(SPPaintSelector *psel, SPWidget *spw);
71 static void sp_stroke_style_paint_changed(SPPaintSelector *psel, SPWidget *spw);
73 static void sp_stroke_style_widget_change_subselection ( Inkscape::Application *inkscape, SPDesktop *desktop, SPWidget *spw );
75 /**
76 * Create the stroke style widget, and hook up all the signals.
77 */
78 GtkWidget *
79 sp_stroke_style_paint_widget_new(void)
80 {
81 GtkWidget *spw, *psel;
83 spw = sp_widget_new_global(INKSCAPE);
85 psel = sp_paint_selector_new(false); // without fillrule selector
86 gtk_widget_show(psel);
87 gtk_container_add(GTK_CONTAINER(spw), psel);
88 gtk_object_set_data(GTK_OBJECT(spw), "paint-selector", psel);
90 gtk_signal_connect(GTK_OBJECT(spw), "construct",
91 GTK_SIGNAL_FUNC(sp_stroke_style_paint_construct),
92 psel);
93 gtk_signal_connect(GTK_OBJECT(spw), "modify_selection",
94 GTK_SIGNAL_FUNC(sp_stroke_style_paint_selection_modified),
95 psel);
96 gtk_signal_connect(GTK_OBJECT(spw), "change_selection",
97 GTK_SIGNAL_FUNC(sp_stroke_style_paint_selection_changed),
98 psel);
100 g_signal_connect (INKSCAPE, "change_subselection", G_CALLBACK (sp_stroke_style_widget_change_subselection), spw);
102 gtk_signal_connect(GTK_OBJECT(psel), "mode_changed",
103 GTK_SIGNAL_FUNC(sp_stroke_style_paint_mode_changed),
104 spw);
105 gtk_signal_connect(GTK_OBJECT(psel), "dragged",
106 GTK_SIGNAL_FUNC(sp_stroke_style_paint_dragged),
107 spw);
108 gtk_signal_connect(GTK_OBJECT(psel), "changed",
109 GTK_SIGNAL_FUNC(sp_stroke_style_paint_changed),
110 spw);
112 sp_stroke_style_paint_update (SP_WIDGET(spw));
113 return spw;
114 }
116 /**
117 * On construction, simply does an update of the stroke style paint object.
118 */
119 static void
120 sp_stroke_style_paint_construct(SPWidget *spw, SPPaintSelector *psel)
121 {
122 #ifdef SP_SS_VERBOSE
123 g_print( "Stroke style widget constructed: inkscape %p repr %p\n",
124 spw->inkscape, spw->repr );
125 #endif
126 if (spw->inkscape) {
127 sp_stroke_style_paint_update (spw);
128 }
129 }
131 /**
132 * On signal modified, invokes an update of the stroke style paint object.
133 */
134 static void
135 sp_stroke_style_paint_selection_modified ( SPWidget *spw,
136 Inkscape::Selection *selection,
137 guint flags,
138 SPPaintSelector *psel)
139 {
140 if (flags & ( SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_PARENT_MODIFIED_FLAG |
141 SP_OBJECT_STYLE_MODIFIED_FLAG) ) {
142 sp_stroke_style_paint_update(spw);
143 }
144 }
147 /**
148 * On signal selection changed, invokes an update of the stroke style paint object.
149 */
150 static void
151 sp_stroke_style_paint_selection_changed ( SPWidget *spw,
152 Inkscape::Selection *selection,
153 SPPaintSelector *psel )
154 {
155 sp_stroke_style_paint_update (spw);
156 }
159 /**
160 * On signal change subselection, invoke an update of the stroke style widget.
161 */
162 static void
163 sp_stroke_style_widget_change_subselection ( Inkscape::Application *inkscape,
164 SPDesktop *desktop,
165 SPWidget *spw )
166 {
167 sp_stroke_style_paint_update (spw);
168 }
170 /**
171 * Gets the active stroke style property, then sets the appropriate color, alpha, gradient,
172 * pattern, etc. for the paint-selector.
173 */
174 static void
175 sp_stroke_style_paint_update (SPWidget *spw)
176 {
177 if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
178 return;
179 }
181 gtk_object_set_data(GTK_OBJECT(spw), "update", GINT_TO_POINTER(TRUE));
183 SPPaintSelector *psel = SP_PAINT_SELECTOR(gtk_object_get_data(GTK_OBJECT(spw), "paint-selector"));
185 // create temporary style
186 SPStyle *query = sp_style_new ();
187 // query into it
188 int result = sp_desktop_query_style (SP_ACTIVE_DESKTOP, query, QUERY_STYLE_PROPERTY_STROKE);
190 switch (result) {
191 case QUERY_STYLE_NOTHING:
192 {
193 /* No paint at all */
194 sp_paint_selector_set_mode (psel, SP_PAINT_SELECTOR_MODE_EMPTY);
195 break;
196 }
198 case QUERY_STYLE_SINGLE:
199 case QUERY_STYLE_MULTIPLE_AVERAGED: // TODO: treat this slightly differently, e.g. display "averaged" somewhere in paint selector
200 case QUERY_STYLE_MULTIPLE_SAME:
201 {
202 SPPaintSelectorMode pselmode = sp_style_determine_paint_selector_mode (query, false);
203 sp_paint_selector_set_mode (psel, pselmode);
205 if (query->stroke.set && query->stroke.type == SP_PAINT_TYPE_COLOR) {
206 gfloat d[3];
207 sp_color_get_rgb_floatv (&query->stroke.value.color, d);
208 SPColor color;
209 sp_color_set_rgb_float (&color, d[0], d[1], d[2]);
210 sp_paint_selector_set_color_alpha (psel, &color, SP_SCALE24_TO_FLOAT (query->stroke_opacity.value));
212 } else if (query->stroke.set && query->stroke.type == SP_PAINT_TYPE_PAINTSERVER) {
214 SPPaintServer *server = SP_STYLE_STROKE_SERVER (query);
216 if (SP_IS_LINEARGRADIENT (server)) {
217 SPGradient *vector = sp_gradient_get_vector (SP_GRADIENT (server), FALSE);
218 sp_paint_selector_set_gradient_linear (psel, vector);
220 SPLinearGradient *lg = SP_LINEARGRADIENT (server);
221 sp_paint_selector_set_gradient_properties (psel,
222 SP_GRADIENT_UNITS (lg),
223 SP_GRADIENT_SPREAD (lg));
224 } else if (SP_IS_RADIALGRADIENT (server)) {
225 SPGradient *vector = sp_gradient_get_vector (SP_GRADIENT (server), FALSE);
226 sp_paint_selector_set_gradient_radial (psel, vector);
228 SPRadialGradient *rg = SP_RADIALGRADIENT (server);
229 sp_paint_selector_set_gradient_properties (psel,
230 SP_GRADIENT_UNITS (rg),
231 SP_GRADIENT_SPREAD (rg));
232 } else if (SP_IS_PATTERN (server)) {
233 SPPattern *pat = pattern_getroot (SP_PATTERN (server));
234 sp_update_pattern_list (psel, pat);
235 }
236 }
237 break;
238 }
240 case QUERY_STYLE_MULTIPLE_DIFFERENT:
241 {
242 sp_paint_selector_set_mode (psel, SP_PAINT_SELECTOR_MODE_MULTIPLE);
243 break;
244 }
245 }
247 g_free (query);
249 gtk_object_set_data(GTK_OBJECT(spw), "update", GINT_TO_POINTER(FALSE));
250 }
252 /**
253 * When the mode is changed, invoke a regular changed handler.
254 */
255 static void
256 sp_stroke_style_paint_mode_changed( SPPaintSelector *psel,
257 SPPaintSelectorMode mode,
258 SPWidget *spw )
259 {
260 if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
261 return;
262 }
264 /* TODO: Does this work?
265 * Not really, here we have to get old color back from object
266 * Instead of relying on paint widget having meaningful colors set
267 */
268 sp_stroke_style_paint_changed(psel, spw);
269 }
271 static gchar *undo_label_1 = "stroke:flatcolor:1";
272 static gchar *undo_label_2 = "stroke:flatcolor:2";
273 static gchar *undo_label = undo_label_1;
275 /**
276 * When a drag callback occurs on a paint selector object, if it is a RGB or CMYK
277 * color mode, then set the stroke opacity to psel's flat color.
278 */
279 static void
280 sp_stroke_style_paint_dragged(SPPaintSelector *psel, SPWidget *spw)
281 {
282 if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
283 return;
284 }
286 switch (psel->mode) {
287 case SP_PAINT_SELECTOR_MODE_COLOR_RGB:
288 case SP_PAINT_SELECTOR_MODE_COLOR_CMYK:
289 {
290 sp_paint_selector_set_flat_color (psel, SP_ACTIVE_DESKTOP, "stroke", "stroke-opacity");
291 sp_document_maybe_done (sp_desktop_document(SP_ACTIVE_DESKTOP), undo_label, SP_VERB_DIALOG_FILL_STROKE,
292 _("Set stroke color"));
293 break;
294 }
296 default:
297 g_warning( "file %s: line %d: Paint %d should not emit 'dragged'",
298 __FILE__, __LINE__, psel->mode);
299 break;
300 }
301 }
303 /**
304 * When the stroke style's paint settings change, this handler updates the
305 * repr's stroke css style and applies the style to relevant drawing items.
306 */
307 static void
308 sp_stroke_style_paint_changed(SPPaintSelector *psel, SPWidget *spw)
309 {
310 if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
311 return;
312 }
313 g_object_set_data (G_OBJECT (spw), "update", GINT_TO_POINTER (TRUE));
315 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
316 SPDocument *document = sp_desktop_document (desktop);
317 Inkscape::Selection *selection = sp_desktop_selection (desktop);
319 GSList const *items = selection->itemList();
321 switch (psel->mode) {
322 case SP_PAINT_SELECTOR_MODE_EMPTY:
323 // This should not happen.
324 g_warning ( "file %s: line %d: Paint %d should not emit 'changed'",
325 __FILE__, __LINE__, psel->mode);
326 break;
327 case SP_PAINT_SELECTOR_MODE_MULTIPLE:
328 // This happens when you switch multiple objects with different gradients to flat color;
329 // nothing to do here.
330 break;
332 case SP_PAINT_SELECTOR_MODE_NONE:
333 {
334 SPCSSAttr *css = sp_repr_css_attr_new();
335 sp_repr_css_set_property(css, "stroke", "none");
337 sp_desktop_set_style (desktop, css);
339 sp_repr_css_attr_unref(css);
341 sp_document_done(document, SP_VERB_DIALOG_FILL_STROKE,
342 _("Remove stroke"));
343 break;
344 }
346 case SP_PAINT_SELECTOR_MODE_COLOR_RGB:
347 case SP_PAINT_SELECTOR_MODE_COLOR_CMYK:
348 {
349 sp_paint_selector_set_flat_color (psel, desktop, "stroke", "stroke-opacity");
350 sp_document_maybe_done (sp_desktop_document(desktop), undo_label, SP_VERB_DIALOG_FILL_STROKE,
351 _("Set stroke color"));
353 // on release, toggle undo_label so that the next drag will not be lumped with this one
354 if (undo_label == undo_label_1)
355 undo_label = undo_label_2;
356 else
357 undo_label = undo_label_1;
359 break;
360 }
362 case SP_PAINT_SELECTOR_MODE_GRADIENT_LINEAR:
363 case SP_PAINT_SELECTOR_MODE_GRADIENT_RADIAL:
364 if (items) {
365 SPGradientType const gradient_type = ( psel->mode == SP_PAINT_SELECTOR_MODE_GRADIENT_LINEAR
366 ? SP_GRADIENT_TYPE_LINEAR
367 : SP_GRADIENT_TYPE_RADIAL );
368 SPGradient *vector = sp_paint_selector_get_gradient_vector(psel);
369 if (!vector) {
370 /* No vector in paint selector should mean that we just changed mode */
372 SPStyle *query = sp_style_new ();
373 int result = objects_query_fillstroke ((GSList *) items, query, false);
374 guint32 common_rgb = 0;
375 if (result == QUERY_STYLE_MULTIPLE_SAME) {
376 if (query->fill.type != SP_PAINT_TYPE_COLOR) {
377 common_rgb = sp_desktop_get_color(desktop, false);
378 } else {
379 common_rgb = sp_color_get_rgba32_ualpha(&query->stroke.value.color, 0xff);
380 }
381 vector = sp_document_default_gradient_vector(document, common_rgb);
382 }
383 g_free (query);
385 for (GSList const *i = items; i != NULL; i = i->next) {
386 if (!vector) {
387 sp_item_set_gradient(SP_ITEM(i->data),
388 sp_gradient_vector_for_object(document, desktop, SP_OBJECT(i->data), false),
389 gradient_type, false);
390 } else {
391 sp_item_set_gradient(SP_ITEM(i->data), vector, gradient_type, false);
392 }
393 }
394 } else {
395 vector = sp_gradient_ensure_vector_normalized(vector);
396 for (GSList const *i = items; i != NULL; i = i->next) {
397 SPGradient *gr = sp_item_set_gradient(SP_ITEM(i->data), vector, gradient_type, false);
398 sp_gradient_selector_attrs_to_gradient(gr, psel);
399 }
400 }
402 sp_document_done(document, SP_VERB_DIALOG_FILL_STROKE,
403 _("Set gradient on stroke"));
404 }
405 break;
407 case SP_PAINT_SELECTOR_MODE_PATTERN:
409 if (items) {
411 SPPattern *pattern = sp_paint_selector_get_pattern (psel);
412 if (!pattern) {
414 /* No Pattern in paint selector should mean that we just
415 * changed mode - dont do jack.
416 */
418 } else {
419 Inkscape::XML::Node *patrepr = SP_OBJECT_REPR(pattern);
420 SPCSSAttr *css = sp_repr_css_attr_new ();
421 gchar *urltext = g_strdup_printf ("url(#%s)", patrepr->attribute("id"));
422 sp_repr_css_set_property (css, "stroke", urltext);
424 for (GSList const *i = items; i != NULL; i = i->next) {
425 Inkscape::XML::Node *selrepr = SP_OBJECT_REPR (i->data);
426 SPObject *selobj = SP_OBJECT (i->data);
427 if (!selrepr)
428 continue;
430 SPStyle *style = SP_OBJECT_STYLE (selobj);
431 if (style && style->stroke.type == SP_PAINT_TYPE_PAINTSERVER) {
432 SPObject *server = SP_OBJECT_STYLE_STROKE_SERVER (selobj);
433 if (SP_IS_PATTERN (server) && pattern_getroot (SP_PATTERN(server)) == pattern)
434 // only if this object's pattern is not rooted in our selected pattern, apply
435 continue;
436 }
438 sp_repr_css_change_recursive (selrepr, css, "style");
439 }
441 sp_repr_css_attr_unref (css);
442 g_free (urltext);
444 } // end if
446 sp_document_done (document, SP_VERB_DIALOG_FILL_STROKE,
447 _("Set pattern on stroke"));
448 } // end if
450 break;
452 case SP_PAINT_SELECTOR_MODE_UNSET:
453 if (items) {
454 SPCSSAttr *css = sp_repr_css_attr_new ();
455 sp_repr_css_unset_property (css, "stroke");
457 sp_desktop_set_style (desktop, css);
458 sp_repr_css_attr_unref (css);
460 sp_document_done (document, SP_VERB_DIALOG_FILL_STROKE,
461 _("Unset stroke"));
462 }
463 break;
465 default:
466 g_warning( "file %s: line %d: Paint selector should not be in "
467 "mode %d",
468 __FILE__, __LINE__,
469 psel->mode );
470 break;
471 }
473 g_object_set_data (G_OBJECT (spw), "update", GINT_TO_POINTER (FALSE));
474 }
480 /* Line */
482 static void sp_stroke_style_line_construct(SPWidget *spw, gpointer data);
483 static void sp_stroke_style_line_selection_modified (SPWidget *spw,
484 Inkscape::Selection *selection,
485 guint flags,
486 gpointer data);
488 static void sp_stroke_style_line_selection_changed (SPWidget *spw,
489 Inkscape::Selection *selection,
490 gpointer data );
492 static void sp_stroke_style_line_update(SPWidget *spw, Inkscape::Selection *sel);
494 static void sp_stroke_style_set_join_buttons(SPWidget *spw,
495 GtkWidget *active);
497 static void sp_stroke_style_set_cap_buttons(SPWidget *spw,
498 GtkWidget *active);
500 static void sp_stroke_style_width_changed(GtkAdjustment *adj, SPWidget *spw);
501 static void sp_stroke_style_miterlimit_changed(GtkAdjustment *adj, SPWidget *spw);
502 static void sp_stroke_style_any_toggled(GtkToggleButton *tb, SPWidget *spw);
503 static void sp_stroke_style_line_dash_changed(SPDashSelector *dsel,
504 SPWidget *spw);
506 static void sp_stroke_style_update_marker_menus(SPWidget *spw, GSList const *objects);
508 static SPObject *ink_extract_marker_name(gchar const *n);
511 /**
512 * Helper function for creating radio buttons. This should probably be re-thought out
513 * when reimplementing this with Gtkmm.
514 */
515 static GtkWidget *
516 sp_stroke_radio_button(GtkWidget *tb, char const *icon,
517 GtkWidget *hb, GtkWidget *spw,
518 gchar const *key, gchar const *data)
519 {
520 g_assert(icon != NULL);
521 g_assert(hb != NULL);
522 g_assert(spw != NULL);
524 if (tb == NULL) {
525 tb = gtk_radio_button_new(NULL);
526 } else {
527 tb = gtk_radio_button_new(gtk_radio_button_group(GTK_RADIO_BUTTON(tb)) );
528 }
530 gtk_widget_show(tb);
531 gtk_toggle_button_set_mode(GTK_TOGGLE_BUTTON(tb), FALSE);
532 gtk_box_pack_start(GTK_BOX(hb), tb, FALSE, FALSE, 0);
533 gtk_object_set_data(GTK_OBJECT(spw), icon, tb);
534 gtk_object_set_data(GTK_OBJECT(tb), key, (gpointer*)data);
535 gtk_signal_connect(GTK_OBJECT(tb), "toggled",
536 GTK_SIGNAL_FUNC(sp_stroke_style_any_toggled),
537 spw);
538 GtkWidget *px = sp_icon_new(Inkscape::ICON_SIZE_LARGE_TOOLBAR, icon);
539 g_assert(px != NULL);
540 gtk_widget_show(px);
541 gtk_container_add(GTK_CONTAINER(tb), px);
543 return tb;
545 }
547 /**
548 * Creates a copy of the marker named mname, determines its visible and renderable
549 * area in menu_id's bounding box, and then renders it. This allows us to fill in
550 * preview images of each marker in the marker menu.
551 */
552 static GtkWidget *
553 sp_marker_prev_new(unsigned size, gchar const *mname,
554 SPDocument *source, SPDocument *sandbox,
555 gchar *menu_id, NRArena const *arena, unsigned visionkey, NRArenaItem *root)
556 {
557 // Retrieve the marker named 'mname' from the source SVG document
558 SPObject const *marker = source->getObjectById(mname);
559 if (marker == NULL)
560 return NULL;
562 // Create a copy repr of the marker with id="sample"
563 Inkscape::XML::Node *mrepr = SP_OBJECT_REPR (marker)->duplicate();
564 mrepr->setAttribute("id", "sample");
566 // Replace the old sample in the sandbox by the new one
567 Inkscape::XML::Node *defsrepr = SP_OBJECT_REPR (sandbox->getObjectById("defs"));
568 SPObject *oldmarker = sandbox->getObjectById("sample");
569 if (oldmarker)
570 oldmarker->deleteObject(false);
571 defsrepr->appendChild(mrepr);
572 Inkscape::GC::release(mrepr);
574 // Uncomment this to get the sandbox documents saved (useful for debugging)
575 //FILE *fp = fopen (g_strconcat(mname, ".svg", NULL), "w");
576 //sp_repr_save_stream (sp_document_repr_doc (sandbox), fp);
577 //fclose (fp);
579 // object to render; note that the id is the same as that of the menu we're building
580 SPObject *object = sandbox->getObjectById(menu_id);
581 sp_document_root (sandbox)->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
582 sp_document_ensure_up_to_date(sandbox);
584 if (object == NULL || !SP_IS_ITEM(object))
585 return NULL; // sandbox broken?
587 // Find object's bbox in document
588 NR::Matrix const i2doc(sp_item_i2doc_affine(SP_ITEM(object)));
590 NR::Rect const dbox = SP_ITEM(object)->invokeBbox(i2doc);
592 if (dbox.isEmpty()) {
593 return NULL;
594 }
596 /* Update to renderable state */
597 NRMatrix t;
598 double sf = 0.8;
599 nr_matrix_set_scale(&t, sf, sf);
600 nr_arena_item_set_transform(root, &t);
601 NRGC gc(NULL);
602 nr_matrix_set_identity(&gc.transform);
603 nr_arena_item_invoke_update( root, NULL, &gc,
604 NR_ARENA_ITEM_STATE_ALL,
605 NR_ARENA_ITEM_STATE_NONE );
607 /* Item integer bbox in points */
608 NRRectL ibox;
609 ibox.x0 = (int) floor(sf * dbox.min()[NR::X] + 0.5);
610 ibox.y0 = (int) floor(sf * dbox.min()[NR::Y] + 0.5);
611 ibox.x1 = (int) floor(sf * dbox.max()[NR::X] + 0.5);
612 ibox.y1 = (int) floor(sf * dbox.max()[NR::Y] + 0.5);
614 /* Find visible area */
615 int width = ibox.x1 - ibox.x0;
616 int height = ibox.y1 - ibox.y0;
617 int dx = size;
618 int dy = size;
619 dx=(dx - width)/2; // watch out for size, since 'unsigned'-'signed' can cause problems if the result is negative
620 dy=(dy - height)/2;
622 NRRectL area;
623 area.x0 = ibox.x0 - dx;
624 area.y0 = ibox.y0 - dy;
625 area.x1 = area.x0 + size;
626 area.y1 = area.y0 + size;
628 /* Actual renderable area */
629 NRRectL ua;
630 ua.x0 = MAX(ibox.x0, area.x0);
631 ua.y0 = MAX(ibox.y0, area.y0);
632 ua.x1 = MIN(ibox.x1, area.x1);
633 ua.y1 = MIN(ibox.y1, area.y1);
635 /* Set up pixblock */
636 guchar *px = g_new(guchar, 4 * size * size);
637 memset(px, 0x00, 4 * size * size);
639 /* Render */
640 NRPixBlock B;
641 nr_pixblock_setup_extern( &B, NR_PIXBLOCK_MODE_R8G8B8A8N,
642 ua.x0, ua.y0, ua.x1, ua.y1,
643 px + 4 * size * (ua.y0 - area.y0) +
644 4 * (ua.x0 - area.x0),
645 4 * size, FALSE, FALSE );
646 nr_arena_item_invoke_render( root, &ua, &B,
647 NR_ARENA_ITEM_RENDER_NO_CACHE );
648 nr_pixblock_release(&B);
650 // Create widget
651 GtkWidget *pb = gtk_image_new_from_pixbuf(gdk_pixbuf_new_from_data(px,
652 GDK_COLORSPACE_RGB,
653 TRUE,
654 8, size, size, size * 4,
655 (GdkPixbufDestroyNotify)g_free,
656 NULL));
657 return pb;
658 }
661 /**
662 * Returns a list of markers in the defs of the given source document as a GSList object
663 * Returns NULL if there are no markers in the document.
664 */
665 GSList *
666 ink_marker_list_get (SPDocument *source)
667 {
668 if (source == NULL)
669 return NULL;
671 GSList *ml = NULL;
672 SPDefs *defs = (SPDefs *) SP_DOCUMENT_DEFS (source);
673 for ( SPObject *child = sp_object_first_child(SP_OBJECT(defs));
674 child != NULL;
675 child = SP_OBJECT_NEXT (child) )
676 {
677 if (SP_IS_MARKER(child)) {
678 ml = g_slist_prepend (ml, child);
679 }
680 }
681 return ml;
682 }
684 #define MARKER_ITEM_MARGIN 0
686 /**
687 * Adds previews of markers in marker_list to the given menu widget
688 */
689 static void
690 sp_marker_menu_build (GtkWidget *m, GSList *marker_list, SPDocument *source, SPDocument *sandbox, gchar *menu_id)
691 {
692 // Do this here, outside of loop, to speed up preview generation:
693 NRArena const *arena = NRArena::create();
694 unsigned const visionkey = sp_item_display_key_new(1);
695 NRArenaItem *root = sp_item_invoke_show( SP_ITEM(SP_DOCUMENT_ROOT (sandbox)), (NRArena *) arena, visionkey, SP_ITEM_SHOW_DISPLAY );
697 for (; marker_list != NULL; marker_list = marker_list->next) {
698 Inkscape::XML::Node *repr = SP_OBJECT_REPR((SPItem *) marker_list->data);
699 GtkWidget *i = gtk_menu_item_new();
700 gtk_widget_show(i);
702 if (repr->attribute("inkscape:stockid"))
703 g_object_set_data (G_OBJECT(i), "stockid", (void *) "true");
704 else
705 g_object_set_data (G_OBJECT(i), "stockid", (void *) "false");
707 gchar const *markid = repr->attribute("id");
708 g_object_set_data (G_OBJECT(i), "marker", (void *) markid);
710 GtkWidget *hb = gtk_hbox_new(FALSE, MARKER_ITEM_MARGIN);
711 gtk_widget_show(hb);
713 // generate preview
714 GtkWidget *prv = sp_marker_prev_new (22, markid, source, sandbox, menu_id, arena, visionkey, root);
715 gtk_widget_show(prv);
716 gtk_box_pack_start(GTK_BOX(hb), prv, FALSE, FALSE, 6);
718 // create label
719 GtkWidget *l = gtk_label_new(repr->attribute("id"));
720 gtk_widget_show(l);
721 gtk_misc_set_alignment(GTK_MISC(l), 0.0, 0.5);
723 gtk_box_pack_start(GTK_BOX(hb), l, TRUE, TRUE, 0);
725 gtk_widget_show(hb);
726 gtk_container_add(GTK_CONTAINER(i), hb);
728 gtk_menu_append(GTK_MENU(m), i);
729 }
730 }
732 /**
733 * sp_marker_list_from_doc()
734 *
735 * \brief Pick up all markers from source, except those that are in
736 * current_doc (if non-NULL), and add items to the m menu
737 *
738 */
739 static void
740 sp_marker_list_from_doc (GtkWidget *m, SPDocument *current_doc, SPDocument *source, SPDocument *markers_doc, SPDocument *sandbox, gchar *menu_id)
741 {
742 GSList *ml = ink_marker_list_get(source);
743 GSList *clean_ml = NULL;
745 // Do this here, outside of loop, to speed up preview generation:
746 /* Create new arena */
747 NRArena const *arena = NRArena::create();
748 /* Create ArenaItem and set transform */
749 unsigned const visionkey = sp_item_display_key_new(1);
750 NRArenaItem *root = sp_item_invoke_show( SP_ITEM(SP_DOCUMENT_ROOT (sandbox)), (NRArena *) arena, visionkey, SP_ITEM_SHOW_DISPLAY );
752 for (; ml != NULL; ml = ml->next) {
753 if (!SP_IS_MARKER(ml->data))
754 continue;
756 Inkscape::XML::Node *repr = SP_OBJECT_REPR((SPItem *) ml->data);
757 bool stock_dupe = false;
759 GSList * markers_doc_ml = ink_marker_list_get(markers_doc);
760 for (; markers_doc_ml != NULL; markers_doc_ml = markers_doc_ml->next) {
761 const gchar* stockid = SP_OBJECT_REPR(markers_doc_ml->data)->attribute("inkscape:stockid");
762 if (stockid && !strcmp(repr->attribute("inkscape:stockid"), stockid))
763 stock_dupe = true;
764 }
766 if (stock_dupe) // stock item, dont add to list from current doc
767 continue;
769 // Add to the list of markers we really do wish to show
770 clean_ml = g_slist_prepend (clean_ml, ml->data);
771 }
772 sp_marker_menu_build (m, clean_ml, source, sandbox, menu_id);
774 g_slist_free (ml);
775 g_slist_free (clean_ml);
776 }
779 /**
780 * Returns a new document containing default start, mid, and end markers.
781 */
782 SPDocument *
783 ink_markers_preview_doc ()
784 {
785 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\">"
786 " <defs id=\"defs\" />"
788 " <g id=\"marker-start\">"
789 " <path style=\"fill:none;stroke:black;stroke-width:1.7;marker-start:url(#sample);marker-mid:none;marker-end:none\""
790 " d=\"M 12.5,13 L 25,13\" id=\"path1\" />"
791 " <rect style=\"fill:none;stroke:none\" id=\"rect2\""
792 " width=\"25\" height=\"25\" x=\"0\" y=\"0\" />"
793 " </g>"
795 " <g id=\"marker-mid\">"
796 " <path style=\"fill:none;stroke:black;stroke-width:1.7;marker-start:none;marker-mid:url(#sample);marker-end:none\""
797 " d=\"M 0,113 L 12.5,113 L 25,113\" id=\"path11\" />"
798 " <rect style=\"fill:none;stroke:none\" id=\"rect22\""
799 " width=\"25\" height=\"25\" x=\"0\" y=\"100\" />"
800 " </g>"
802 " <g id=\"marker-end\">"
803 " <path style=\"fill:none;stroke:black;stroke-width:1.7;marker-start:none;marker-mid:none;marker-end:url(#sample)\""
804 " d=\"M 0,213 L 12.5,213\" id=\"path111\" />"
805 " <rect style=\"fill:none;stroke:none\" id=\"rect222\""
806 " width=\"25\" height=\"25\" x=\"0\" y=\"200\" />"
807 " </g>"
809 "</svg>";
811 return sp_document_new_from_mem (buffer, strlen(buffer), FALSE);
812 }
815 /**
816 * Creates a menu widget to display markers from markers.svg
817 */
818 static GtkWidget *
819 ink_marker_menu( GtkWidget *tbl, gchar *menu_id, SPDocument *sandbox)
820 {
821 SPDesktop *desktop = inkscape_active_desktop();
822 SPDocument *doc = sp_desktop_document(desktop);
823 GtkWidget *mnu = gtk_option_menu_new();
825 /* Create new menu widget */
826 GtkWidget *m = gtk_menu_new();
827 gtk_widget_show(m);
829 g_object_set_data(G_OBJECT(mnu), "updating", (gpointer) FALSE);
831 if (!doc) {
832 GtkWidget *i = gtk_menu_item_new_with_label(_("No document selected"));
833 gtk_widget_show(i);
834 gtk_menu_append(GTK_MENU(m), i);
835 gtk_widget_set_sensitive(mnu, FALSE);
837 } else {
839 // add "None"
840 {
841 GtkWidget *i = gtk_menu_item_new();
842 gtk_widget_show(i);
844 g_object_set_data(G_OBJECT(i), "marker", (void *) "none");
846 GtkWidget *hb = gtk_hbox_new(FALSE, MARKER_ITEM_MARGIN);
847 gtk_widget_show(hb);
849 GtkWidget *l = gtk_label_new( _("None") );
850 gtk_widget_show(l);
851 gtk_misc_set_alignment(GTK_MISC(l), 0.0, 0.5);
853 gtk_box_pack_start(GTK_BOX(hb), l, TRUE, TRUE, 0);
855 gtk_widget_show(hb);
856 gtk_container_add(GTK_CONTAINER(i), hb);
857 gtk_menu_append(GTK_MENU(m), i);
858 }
860 // find and load markers.svg
861 static SPDocument *markers_doc = NULL;
862 char *markers_source = g_build_filename(INKSCAPE_MARKERSDIR, "markers.svg", NULL);
863 if (Inkscape::IO::file_test(markers_source, G_FILE_TEST_IS_REGULAR)) {
864 markers_doc = sp_document_new(markers_source, FALSE);
865 }
866 g_free(markers_source);
868 // suck in from current doc
869 sp_marker_list_from_doc ( m, NULL, doc, markers_doc, sandbox, menu_id );
871 // add separator
872 {
873 GtkWidget *i = gtk_separator_menu_item_new();
874 gtk_widget_show(i);
875 gtk_menu_append(GTK_MENU(m), i);
876 }
878 // suck in from markers.svg
879 if (markers_doc) {
880 sp_document_ensure_up_to_date(doc);
881 sp_marker_list_from_doc ( m, doc, markers_doc, NULL, sandbox, menu_id );
882 }
884 gtk_widget_set_sensitive(mnu, TRUE);
885 }
887 gtk_object_set_data(GTK_OBJECT(mnu), "menu_id", menu_id);
888 gtk_option_menu_set_menu(GTK_OPTION_MENU(mnu), m);
890 /* Set history */
891 gtk_option_menu_set_history(GTK_OPTION_MENU(mnu), 0);
893 return mnu;
894 }
897 /**
898 * Handles when user selects one of the markers from the marker menu.
899 * Defines a uri string to refer to it, then applies it to all selected
900 * items in the current desktop.
901 */
902 static void
903 sp_marker_select(GtkOptionMenu *mnu, GtkWidget *spw)
904 {
905 if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
906 return;
907 }
909 SPDesktop *desktop = inkscape_active_desktop();
910 SPDocument *document = sp_desktop_document(desktop);
911 if (!document) {
912 return;
913 }
915 /* Get Marker */
916 if (!g_object_get_data(G_OBJECT(gtk_menu_get_active(GTK_MENU(gtk_option_menu_get_menu(mnu)))),
917 "marker"))
918 {
919 return;
920 }
921 gchar *markid = (gchar *) g_object_get_data(G_OBJECT(gtk_menu_get_active(GTK_MENU(gtk_option_menu_get_menu(mnu)))),
922 "marker");
923 gchar *marker = "";
924 if (strcmp(markid, "none")){
925 gchar *stockid = (gchar *) g_object_get_data(G_OBJECT(gtk_menu_get_active(GTK_MENU(gtk_option_menu_get_menu(mnu)))),
926 "stockid");
928 gchar *markurn = markid;
929 if (!strcmp(stockid,"true")) markurn = g_strconcat("urn:inkscape:marker:",markid,NULL);
930 SPObject *mark = get_stock_item(markurn);
931 if (mark) {
932 Inkscape::XML::Node *repr = SP_OBJECT_REPR(mark);
933 marker = g_strconcat("url(#", repr->attribute("id"), ")", NULL);
934 }
935 } else {
936 marker = markid;
937 }
939 SPCSSAttr *css = sp_repr_css_attr_new();
940 gchar *menu_id = (gchar *) g_object_get_data(G_OBJECT(mnu), "menu_id");
941 sp_repr_css_set_property(css, menu_id, marker);
943 Inkscape::Selection *selection = sp_desktop_selection(desktop);
944 GSList const *items = selection->itemList();
945 for (; items != NULL; items = items->next) {
946 SPItem *item = (SPItem *) items->data;
947 if (!SP_IS_SHAPE(item) || SP_IS_RECT(item)) // can't set marker to rect, until it's converted to using <path>
948 continue;
949 Inkscape::XML::Node *selrepr = SP_OBJECT_REPR((SPItem *) items->data);
950 if (selrepr) {
951 sp_repr_css_change_recursive(selrepr, css, "style");
952 }
953 SP_OBJECT(items->data)->requestModified(SP_OBJECT_MODIFIED_FLAG);
954 SP_OBJECT(items->data)->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG);
955 }
957 sp_repr_css_attr_unref(css);
959 sp_document_done(document, SP_VERB_DIALOG_FILL_STROKE,
960 _("Set markers"));
961 }
963 /**
964 * Sets the stroke width units for all selected items.
965 * Also handles absolute and dimensionless units.
966 */
967 static gboolean stroke_width_set_unit(SPUnitSelector *,
968 SPUnit const *old,
969 SPUnit const *new_units,
970 GObject *spw)
971 {
972 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
974 if (!desktop) {
975 return FALSE;
976 }
978 Inkscape::Selection *selection = sp_desktop_selection (desktop);
980 if (selection->isEmpty())
981 return FALSE;
983 GSList const *objects = selection->itemList();
985 if ((old->base == SP_UNIT_ABSOLUTE || old->base == SP_UNIT_DEVICE) &&
986 (new_units->base == SP_UNIT_DIMENSIONLESS)) {
988 /* Absolute to percentage */
989 g_object_set_data (spw, "update", GUINT_TO_POINTER (TRUE));
991 GtkAdjustment *a = GTK_ADJUSTMENT(g_object_get_data (spw, "width"));
992 float w = sp_units_get_pixels (a->value, *old);
994 gdouble average = stroke_average_width (objects);
996 if (average == NR_HUGE || average == 0)
997 return FALSE;
999 gtk_adjustment_set_value (a, 100.0 * w / average);
1001 g_object_set_data (spw, "update", GUINT_TO_POINTER (FALSE));
1002 return TRUE;
1004 } else if ((old->base == SP_UNIT_DIMENSIONLESS) &&
1005 (new_units->base == SP_UNIT_ABSOLUTE || new_units->base == SP_UNIT_DEVICE)) {
1007 /* Percentage to absolute */
1008 g_object_set_data (spw, "update", GUINT_TO_POINTER (TRUE));
1010 GtkAdjustment *a = GTK_ADJUSTMENT(g_object_get_data (spw, "width"));
1012 gdouble average = stroke_average_width (objects);
1014 gtk_adjustment_set_value (a, sp_pixels_get_units (0.01 * a->value * average, *new_units));
1016 g_object_set_data (spw, "update", GUINT_TO_POINTER (FALSE));
1017 return TRUE;
1018 }
1020 return FALSE;
1021 }
1024 /**
1025 * \brief Creates a new widget for the line stroke style.
1026 *
1027 */
1028 GtkWidget *
1029 sp_stroke_style_line_widget_new(void)
1030 {
1031 GtkWidget *spw, *f, *t, *hb, *sb, *us, *tb, *ds;
1032 GtkObject *a;
1034 GtkTooltips *tt = gtk_tooltips_new();
1036 spw = sp_widget_new_global(INKSCAPE);
1038 f = gtk_hbox_new (FALSE, 0);
1039 gtk_widget_show(f);
1040 gtk_container_add(GTK_CONTAINER(spw), f);
1042 t = gtk_table_new(3, 6, FALSE);
1043 gtk_widget_show(t);
1044 gtk_container_set_border_width(GTK_CONTAINER(t), 4);
1045 gtk_table_set_row_spacings(GTK_TABLE(t), 4);
1046 gtk_container_add(GTK_CONTAINER(f), t);
1047 gtk_object_set_data(GTK_OBJECT(spw), "stroke", t);
1049 gint i = 0;
1051 /* Stroke width */
1052 spw_label(t, _("Width:"), 0, i);
1054 hb = spw_hbox(t, 3, 1, i);
1056 // TODO: when this is gtkmmified, use an Inkscape::UI::Widget::ScalarUnit instead of the separate
1057 // spinbutton and unit selector for stroke width. In sp_stroke_style_line_update, use
1058 // setHundredPercent to remember the aeraged width corresponding to 100%. Then the
1059 // stroke_width_set_unit will be removed (because ScalarUnit takes care of conversions itself), and
1060 // with it, the two remaining calls of stroke_average_width, allowing us to get rid of that
1061 // function in desktop-style.
1063 a = gtk_adjustment_new(1.0, 0.0, 1000.0, 0.1, 10.0, 10.0);
1064 gtk_object_set_data(GTK_OBJECT(spw), "width", a);
1065 sb = gtk_spin_button_new(GTK_ADJUSTMENT(a), 0.1, 3);
1066 gtk_tooltips_set_tip(tt, sb, _("Stroke width"), NULL);
1067 gtk_widget_show(sb);
1069 sp_dialog_defocus_on_enter(sb);
1071 gtk_box_pack_start(GTK_BOX(hb), sb, FALSE, FALSE, 0);
1072 us = sp_unit_selector_new(SP_UNIT_ABSOLUTE | SP_UNIT_DEVICE);
1073 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1074 if (desktop)
1075 sp_unit_selector_set_unit (SP_UNIT_SELECTOR(us), sp_desktop_namedview(desktop)->doc_units);
1076 sp_unit_selector_add_unit(SP_UNIT_SELECTOR(us), &sp_unit_get_by_id(SP_UNIT_PERCENT), 0);
1077 g_signal_connect ( G_OBJECT (us), "set_unit", G_CALLBACK (stroke_width_set_unit), spw );
1078 gtk_widget_show(us);
1079 sp_unit_selector_add_adjustment( SP_UNIT_SELECTOR(us), GTK_ADJUSTMENT(a) );
1080 gtk_box_pack_start(GTK_BOX(hb), us, FALSE, FALSE, 0);
1081 gtk_object_set_data(GTK_OBJECT(spw), "units", us);
1083 gtk_signal_connect( GTK_OBJECT(a), "value_changed", GTK_SIGNAL_FUNC(sp_stroke_style_width_changed), spw );
1084 i++;
1086 /* Join type */
1087 // TRANSLATORS: The line join style specifies the shape to be used at the
1088 // corners of paths. It can be "miter", "round" or "bevel".
1089 spw_label(t, _("Join:"), 0, i);
1091 hb = spw_hbox(t, 3, 1, i);
1093 tb = NULL;
1095 tb = sp_stroke_radio_button(tb, INKSCAPE_STOCK_JOIN_MITER,
1096 hb, spw, "join", "miter");
1098 // TRANSLATORS: Miter join: joining lines with a sharp (pointed) corner.
1099 // For an example, draw a triangle with a large stroke width and modify the
1100 // "Join" option (in the Fill and Stroke dialog).
1101 gtk_tooltips_set_tip(tt, tb, _("Miter join"), NULL);
1103 tb = sp_stroke_radio_button(tb, INKSCAPE_STOCK_JOIN_ROUND,
1104 hb, spw, "join", "round");
1106 // TRANSLATORS: Round join: joining lines with a rounded corner.
1107 // For an example, draw a triangle with a large stroke width and modify the
1108 // "Join" option (in the Fill and Stroke dialog).
1109 gtk_tooltips_set_tip(tt, tb, _("Round join"), NULL);
1111 tb = sp_stroke_radio_button(tb, INKSCAPE_STOCK_JOIN_BEVEL,
1112 hb, spw, "join", "bevel");
1114 // TRANSLATORS: Bevel join: joining lines with a blunted (flattened) corner.
1115 // For an example, draw a triangle with a large stroke width and modify the
1116 // "Join" option (in the Fill and Stroke dialog).
1117 gtk_tooltips_set_tip(tt, tb, _("Bevel join"), NULL);
1119 i++;
1121 /* Miterlimit */
1122 // TRANSLATORS: Miter limit: only for "miter join", this limits the length
1123 // of the sharp "spike" when the lines connect at too sharp an angle.
1124 // When two line segments meet at a sharp angle, a miter join results in a
1125 // spike that extends well beyond the connection point. The purpose of the
1126 // miter limit is to cut off such spikes (i.e. convert them into bevels)
1127 // when they become too long.
1128 spw_label(t, _("Miter limit:"), 0, i);
1130 hb = spw_hbox(t, 3, 1, i);
1132 a = gtk_adjustment_new(4.0, 0.0, 100.0, 0.1, 10.0, 10.0);
1133 gtk_object_set_data(GTK_OBJECT(spw), "miterlimit", a);
1135 sb = gtk_spin_button_new(GTK_ADJUSTMENT(a), 0.1, 2);
1136 gtk_tooltips_set_tip(tt, sb, _("Maximum length of the miter (in units of stroke width)"), NULL);
1137 gtk_widget_show(sb);
1138 gtk_object_set_data(GTK_OBJECT(spw), "miterlimit_sb", sb);
1139 sp_dialog_defocus_on_enter(sb);
1141 gtk_box_pack_start(GTK_BOX(hb), sb, FALSE, FALSE, 0);
1143 gtk_signal_connect( GTK_OBJECT(a), "value_changed",
1144 GTK_SIGNAL_FUNC(sp_stroke_style_miterlimit_changed), spw );
1145 i++;
1147 /* Cap type */
1148 // TRANSLATORS: cap type specifies the shape for the ends of lines
1149 spw_label(t, _("Cap:"), 0, i);
1151 hb = spw_hbox(t, 3, 1, i);
1153 tb = NULL;
1155 tb = sp_stroke_radio_button(tb, INKSCAPE_STOCK_CAP_BUTT,
1156 hb, spw, "cap", "butt");
1158 // TRANSLATORS: Butt cap: the line shape does not extend beyond the end point
1159 // of the line; the ends of the line are square
1160 gtk_tooltips_set_tip(tt, tb, _("Butt cap"), NULL);
1162 tb = sp_stroke_radio_button(tb, INKSCAPE_STOCK_CAP_ROUND,
1163 hb, spw, "cap", "round");
1165 // TRANSLATORS: Round cap: the line shape extends beyond the end point of the
1166 // line; the ends of the line are rounded
1167 gtk_tooltips_set_tip(tt, tb, _("Round cap"), NULL);
1169 tb = sp_stroke_radio_button(tb, INKSCAPE_STOCK_CAP_SQUARE,
1170 hb, spw, "cap", "square");
1172 // TRANSLATORS: Square cap: the line shape extends beyond the end point of the
1173 // line; the ends of the line are square
1174 gtk_tooltips_set_tip(tt, tb, _("Square cap"), NULL);
1176 i++;
1179 /* Dash */
1180 spw_label(t, _("Dashes:"), 0, i);
1181 ds = sp_dash_selector_new( inkscape_get_repr( INKSCAPE,
1182 "palette.dashes") );
1184 gtk_widget_show(ds);
1185 gtk_table_attach( GTK_TABLE(t), ds, 1, 4, i, i+1,
1186 (GtkAttachOptions)( GTK_EXPAND | GTK_FILL ),
1187 (GtkAttachOptions)0, 0, 0 );
1188 gtk_object_set_data(GTK_OBJECT(spw), "dash", ds);
1189 gtk_signal_connect( GTK_OBJECT(ds), "changed",
1190 GTK_SIGNAL_FUNC(sp_stroke_style_line_dash_changed),
1191 spw );
1192 i++;
1194 /* Drop down marker selectors*/
1196 // doing this here once, instead of for each preview, to speed things up
1197 SPDocument *sandbox = ink_markers_preview_doc ();
1199 // TRANSLATORS: Path markers are an SVG feature that allows you to attach arbitrary shapes
1200 // (arrowheads, bullets, faces, whatever) to the start, end, or middle nodes of a path.
1201 spw_label(t, _("Start Markers:"), 0, i);
1202 GtkWidget *mnu = ink_marker_menu( spw ,"marker-start", sandbox);
1203 gtk_signal_connect( GTK_OBJECT(mnu), "changed", GTK_SIGNAL_FUNC(sp_marker_select), spw );
1204 gtk_widget_show(mnu);
1205 gtk_table_attach( GTK_TABLE(t), mnu, 1, 4, i, i+1,
1206 (GtkAttachOptions)( GTK_EXPAND | GTK_FILL ),
1207 (GtkAttachOptions)0, 0, 0 );
1208 gtk_object_set_data(GTK_OBJECT(spw), "start_mark_menu", mnu);
1210 i++;
1211 spw_label(t, _("Mid Markers:"), 0, i);
1212 mnu = NULL;
1213 mnu = ink_marker_menu( spw ,"marker-mid", sandbox);
1214 gtk_signal_connect( GTK_OBJECT(mnu), "changed", GTK_SIGNAL_FUNC(sp_marker_select), spw );
1215 gtk_widget_show(mnu);
1216 gtk_table_attach( GTK_TABLE(t), mnu, 1, 4, i, i+1,
1217 (GtkAttachOptions)( GTK_EXPAND | GTK_FILL ),
1218 (GtkAttachOptions)0, 0, 0 );
1219 gtk_object_set_data(GTK_OBJECT(spw), "mid_mark_menu", mnu);
1221 i++;
1222 spw_label(t, _("End Markers:"), 0, i);
1223 mnu = NULL;
1224 mnu = ink_marker_menu( spw ,"marker-end", sandbox);
1225 gtk_signal_connect( GTK_OBJECT(mnu), "changed", GTK_SIGNAL_FUNC(sp_marker_select), spw );
1226 gtk_widget_show(mnu);
1227 gtk_table_attach( GTK_TABLE(t), mnu, 1, 4, i, i+1,
1228 (GtkAttachOptions)( GTK_EXPAND | GTK_FILL ),
1229 (GtkAttachOptions)0, 0, 0 );
1230 gtk_object_set_data(GTK_OBJECT(spw), "end_mark_menu", mnu);
1232 i++;
1234 gtk_signal_connect( GTK_OBJECT(spw), "construct",
1235 GTK_SIGNAL_FUNC(sp_stroke_style_line_construct),
1236 NULL );
1237 gtk_signal_connect( GTK_OBJECT(spw), "modify_selection",
1238 GTK_SIGNAL_FUNC(sp_stroke_style_line_selection_modified),
1239 NULL );
1240 gtk_signal_connect( GTK_OBJECT(spw), "change_selection",
1241 GTK_SIGNAL_FUNC(sp_stroke_style_line_selection_changed),
1242 NULL );
1244 sp_stroke_style_line_update( SP_WIDGET(spw), desktop ? sp_desktop_selection(desktop) : NULL);
1246 return spw;
1247 }
1250 /**
1251 * Callback for when the stroke style widget is called. It causes
1252 * the stroke line style to be updated.
1253 */
1254 static void
1255 sp_stroke_style_line_construct(SPWidget *spw, gpointer data)
1256 {
1258 #ifdef SP_SS_VERBOSE
1259 g_print( "Stroke style widget constructed: inkscape %p repr %p\n",
1260 spw->inkscape, spw->repr );
1261 #endif
1262 if (spw->inkscape) {
1263 sp_stroke_style_line_update(spw,
1264 ( SP_ACTIVE_DESKTOP
1265 ? sp_desktop_selection(SP_ACTIVE_DESKTOP)
1266 : NULL ));
1267 }
1268 }
1270 /**
1271 * Callback for when stroke style widget is modified.
1272 * Triggers update action.
1273 */
1274 static void
1275 sp_stroke_style_line_selection_modified ( SPWidget *spw,
1276 Inkscape::Selection *selection,
1277 guint flags,
1278 gpointer data )
1279 {
1280 if (flags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_PARENT_MODIFIED_FLAG)) {
1281 sp_stroke_style_line_update (spw, selection);
1282 }
1284 }
1286 /**
1287 * Callback for when stroke style widget is changed.
1288 * Triggers update action.
1289 */
1290 static void
1291 sp_stroke_style_line_selection_changed ( SPWidget *spw,
1292 Inkscape::Selection *selection,
1293 gpointer data )
1294 {
1295 sp_stroke_style_line_update (spw, selection);
1296 }
1299 /**
1300 * Sets selector widgets' dash style from an SPStyle object.
1301 */
1302 static void
1303 sp_dash_selector_set_from_style (GtkWidget *dsel, SPStyle *style)
1304 {
1305 if (style->stroke_dash.n_dash > 0) {
1306 double d[64];
1307 int len = MIN(style->stroke_dash.n_dash, 64);
1308 for (int i = 0; i < len; i++) {
1309 if (style->stroke_width.computed != 0)
1310 d[i] = style->stroke_dash.dash[i] / style->stroke_width.computed;
1311 else
1312 d[i] = style->stroke_dash.dash[i]; // is there a better thing to do for stroke_width==0?
1313 }
1314 sp_dash_selector_set_dash(SP_DASH_SELECTOR(dsel), len, d,
1315 style->stroke_width.computed != 0?
1316 style->stroke_dash.offset / style->stroke_width.computed :
1317 style->stroke_dash.offset);
1318 } else {
1319 sp_dash_selector_set_dash(SP_DASH_SELECTOR(dsel), 0, NULL, 0.0);
1320 }
1321 }
1323 /**
1324 * Sets the join type for a line, and updates the stroke style widget's buttons
1325 */
1326 static void
1327 sp_jointype_set (SPWidget *spw, unsigned const jointype)
1328 {
1329 GtkWidget *tb = NULL;
1330 switch (jointype) {
1331 case SP_STROKE_LINEJOIN_MITER:
1332 tb = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), INKSCAPE_STOCK_JOIN_MITER));
1333 break;
1334 case SP_STROKE_LINEJOIN_ROUND:
1335 tb = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), INKSCAPE_STOCK_JOIN_ROUND));
1336 break;
1337 case SP_STROKE_LINEJOIN_BEVEL:
1338 tb = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), INKSCAPE_STOCK_JOIN_BEVEL));
1339 break;
1340 default:
1341 break;
1342 }
1343 sp_stroke_style_set_join_buttons (spw, tb);
1344 }
1346 /**
1347 * Sets the cap type for a line, and updates the stroke style widget's buttons
1348 */
1349 static void
1350 sp_captype_set (SPWidget *spw, unsigned const captype)
1351 {
1352 GtkWidget *tb = NULL;
1353 switch (captype) {
1354 case SP_STROKE_LINECAP_BUTT:
1355 tb = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), INKSCAPE_STOCK_CAP_BUTT));
1356 break;
1357 case SP_STROKE_LINECAP_ROUND:
1358 tb = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), INKSCAPE_STOCK_CAP_ROUND));
1359 break;
1360 case SP_STROKE_LINECAP_SQUARE:
1361 tb = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), INKSCAPE_STOCK_CAP_SQUARE));
1362 break;
1363 default:
1364 break;
1365 }
1366 sp_stroke_style_set_cap_buttons (spw, tb);
1367 }
1369 /**
1370 * Callback for when stroke style widget is updated, including markers, cap type,
1371 * join type, etc.
1372 */
1373 static void
1374 sp_stroke_style_line_update(SPWidget *spw, Inkscape::Selection *sel)
1375 {
1376 if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
1377 return;
1378 }
1380 gtk_object_set_data(GTK_OBJECT(spw), "update", GINT_TO_POINTER(TRUE));
1382 GtkWidget *sset = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), "stroke"));
1383 GtkObject *width = GTK_OBJECT(gtk_object_get_data(GTK_OBJECT(spw), "width"));
1384 GtkObject *ml = GTK_OBJECT(gtk_object_get_data(GTK_OBJECT(spw), "miterlimit"));
1385 GtkWidget *us = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), "units"));
1386 GtkWidget *dsel = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), "dash"));
1388 // create temporary style
1389 SPStyle *query = sp_style_new ();
1390 // query into it
1391 int result_sw = sp_desktop_query_style (SP_ACTIVE_DESKTOP, query, QUERY_STYLE_PROPERTY_STROKEWIDTH);
1392 int result_ml = sp_desktop_query_style (SP_ACTIVE_DESKTOP, query, QUERY_STYLE_PROPERTY_STROKEMITERLIMIT);
1393 int result_cap = sp_desktop_query_style (SP_ACTIVE_DESKTOP, query, QUERY_STYLE_PROPERTY_STROKECAP);
1394 int result_join = sp_desktop_query_style (SP_ACTIVE_DESKTOP, query, QUERY_STYLE_PROPERTY_STROKEJOIN);
1396 if (result_sw == QUERY_STYLE_NOTHING) {
1397 /* No objects stroked, set insensitive */
1398 gtk_widget_set_sensitive(sset, FALSE);
1400 gtk_object_set_data(GTK_OBJECT(spw), "update", GINT_TO_POINTER(FALSE));
1401 return;
1402 } else {
1403 gtk_widget_set_sensitive(sset, TRUE);
1405 SPUnit const *unit = sp_unit_selector_get_unit(SP_UNIT_SELECTOR(us));
1407 if (result_sw == QUERY_STYLE_MULTIPLE_AVERAGED) {
1408 sp_unit_selector_set_unit(SP_UNIT_SELECTOR(us), &sp_unit_get_by_id(SP_UNIT_PERCENT));
1409 } else {
1410 // same width, or only one object; no sense to keep percent, switch to absolute
1411 if (unit->base != SP_UNIT_ABSOLUTE && unit->base != SP_UNIT_DEVICE) {
1412 sp_unit_selector_set_unit(SP_UNIT_SELECTOR(us), sp_desktop_namedview(SP_ACTIVE_DESKTOP)->doc_units);
1413 }
1414 }
1416 unit = sp_unit_selector_get_unit (SP_UNIT_SELECTOR (us));
1418 if (unit->base == SP_UNIT_ABSOLUTE || unit->base == SP_UNIT_DEVICE) {
1419 double avgwidth = sp_pixels_get_units (query->stroke_width.computed, *unit);
1420 gtk_adjustment_set_value(GTK_ADJUSTMENT(width), avgwidth);
1421 } else {
1422 gtk_adjustment_set_value(GTK_ADJUSTMENT(width), 100);
1423 }
1424 }
1426 if (result_ml != QUERY_STYLE_NOTHING)
1427 gtk_adjustment_set_value(GTK_ADJUSTMENT(ml), query->stroke_miterlimit.value); // TODO: reflect averagedness?
1429 if (result_join != QUERY_STYLE_MULTIPLE_DIFFERENT) {
1430 sp_jointype_set (spw, query->stroke_linejoin.value);
1431 } else {
1432 sp_stroke_style_set_join_buttons(spw, NULL);
1433 }
1435 if (result_cap != QUERY_STYLE_MULTIPLE_DIFFERENT) {
1436 sp_captype_set (spw, query->stroke_linecap.value);
1437 } else {
1438 sp_stroke_style_set_cap_buttons(spw, NULL);
1439 }
1441 g_free (query);
1443 GSList const *objects = sel->itemList();
1444 SPObject * const object = SP_OBJECT(objects->data);
1445 SPStyle * const style = SP_OBJECT_STYLE(object);
1447 /* Markers */
1448 sp_stroke_style_update_marker_menus(spw, objects); // FIXME: make this desktop query too
1450 /* Dash */
1451 sp_dash_selector_set_from_style (dsel, style); // FIXME: make this desktop query too
1453 gtk_widget_set_sensitive(sset, TRUE);
1455 gtk_object_set_data(GTK_OBJECT(spw), "update",
1456 GINT_TO_POINTER(FALSE));
1457 }
1459 /**
1460 * Sets a line's dash properties in a CSS style object.
1461 */
1462 static void
1463 sp_stroke_style_set_scaled_dash(SPCSSAttr *css,
1464 int ndash, double *dash, double offset,
1465 double scale)
1466 {
1467 if (ndash > 0) {
1468 Inkscape::CSSOStringStream osarray;
1469 for (int i = 0; i < ndash; i++) {
1470 osarray << dash[i] * scale;
1471 if (i < (ndash - 1)) {
1472 osarray << ",";
1473 }
1474 }
1475 sp_repr_css_set_property(css, "stroke-dasharray", osarray.str().c_str());
1477 Inkscape::CSSOStringStream osoffset;
1478 osoffset << offset * scale;
1479 sp_repr_css_set_property(css, "stroke-dashoffset", osoffset.str().c_str());
1480 } else {
1481 sp_repr_css_set_property(css, "stroke-dasharray", "none");
1482 sp_repr_css_set_property(css, "stroke-dashoffset", NULL);
1483 }
1484 }
1486 /**
1487 * Sets line properties like width, dashes, markers, etc. on all currently selected items.
1488 */
1489 static void
1490 sp_stroke_style_scale_line(SPWidget *spw)
1491 {
1492 if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
1493 return;
1494 }
1496 gtk_object_set_data(GTK_OBJECT(spw), "update", GINT_TO_POINTER(TRUE));
1498 GtkAdjustment *wadj = GTK_ADJUSTMENT(gtk_object_get_data(GTK_OBJECT(spw), "width"));
1499 SPUnitSelector *us = SP_UNIT_SELECTOR(gtk_object_get_data(GTK_OBJECT(spw), "units"));
1500 SPDashSelector *dsel = SP_DASH_SELECTOR(gtk_object_get_data(GTK_OBJECT(spw), "dash"));
1501 GtkAdjustment *ml = GTK_ADJUSTMENT(gtk_object_get_data(GTK_OBJECT(spw), "miterlimit"));
1503 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1504 SPDocument *document = sp_desktop_document (desktop);
1505 Inkscape::Selection *selection = sp_desktop_selection (desktop);
1507 GSList const *items = selection->itemList();
1509 /* TODO: Create some standardized method */
1510 SPCSSAttr *css = sp_repr_css_attr_new();
1512 if (items) {
1514 double width_typed = wadj->value;
1515 double const miterlimit = ml->value;
1517 SPUnit const *const unit = sp_unit_selector_get_unit(SP_UNIT_SELECTOR(us));
1519 double *dash, offset;
1520 int ndash;
1521 sp_dash_selector_get_dash(dsel, &ndash, &dash, &offset);
1523 for (GSList const *i = items; i != NULL; i = i->next) {
1524 /* Set stroke width */
1525 double width;
1526 if (unit->base == SP_UNIT_ABSOLUTE || unit->base == SP_UNIT_DEVICE) {
1527 width = sp_units_get_pixels (width_typed, *unit);
1528 } else { // percentage
1529 gdouble old_w = SP_OBJECT_STYLE (i->data)->stroke_width.computed;
1530 width = old_w * width_typed / 100;
1531 }
1533 {
1534 Inkscape::CSSOStringStream os_width;
1535 os_width << width;
1536 sp_repr_css_set_property(css, "stroke-width", os_width.str().c_str());
1537 }
1539 {
1540 Inkscape::CSSOStringStream os_ml;
1541 os_ml << miterlimit;
1542 sp_repr_css_set_property(css, "stroke-miterlimit", os_ml.str().c_str());
1543 }
1545 /* Set dash */
1546 sp_stroke_style_set_scaled_dash(css, ndash, dash, offset, width);
1548 sp_desktop_apply_css_recursive (SP_OBJECT(i->data), css, true);
1549 }
1551 g_free(dash);
1553 if (unit->base != SP_UNIT_ABSOLUTE && unit->base != SP_UNIT_DEVICE) {
1554 // reset to 100 percent
1555 gtk_adjustment_set_value (wadj, 100.0);
1556 }
1558 }
1560 // we have already changed the items, so set style without changing selection
1561 // FIXME: move the above stroke-setting stuff, including percentages, to desktop-style
1562 sp_desktop_set_style (desktop, css, false);
1564 sp_repr_css_attr_unref(css);
1566 sp_document_done(document, SP_VERB_DIALOG_FILL_STROKE,
1567 _("Set stroke style"));
1569 gtk_object_set_data(GTK_OBJECT(spw), "update", GINT_TO_POINTER(FALSE));
1570 }
1573 /**
1574 * Callback for when the stroke style's width changes.
1575 * Causes all line styles to be applied to all selected items.
1576 */
1577 static void
1578 sp_stroke_style_width_changed(GtkAdjustment *adj, SPWidget *spw)
1579 {
1580 if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
1581 return;
1582 }
1584 sp_stroke_style_scale_line(spw);
1585 }
1587 /**
1588 * Callback for when the stroke style's miterlimit changes.
1589 * Causes all line styles to be applied to all selected items.
1590 */
1591 static void
1592 sp_stroke_style_miterlimit_changed(GtkAdjustment *adj, SPWidget *spw)
1593 {
1594 if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
1595 return;
1596 }
1598 sp_stroke_style_scale_line(spw);
1599 }
1601 /**
1602 * Callback for when the stroke style's dash changes.
1603 * Causes all line styles to be applied to all selected items.
1604 */
1605 static void
1606 sp_stroke_style_line_dash_changed(SPDashSelector *dsel, SPWidget *spw)
1607 {
1608 if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
1609 return;
1610 }
1612 sp_stroke_style_scale_line(spw);
1613 }
1617 /**
1618 * \brief This routine handles toggle events for buttons in the stroke style
1619 * dialog.
1620 * When activated, this routine gets the data for the various widgets, and then
1621 * calls the respective routines to update css properties, etc.
1622 *
1623 */
1624 static void
1625 sp_stroke_style_any_toggled(GtkToggleButton *tb, SPWidget *spw)
1626 {
1627 if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
1628 return;
1629 }
1631 if (gtk_toggle_button_get_active(tb)) {
1633 gchar const *join
1634 = static_cast<gchar const *>(gtk_object_get_data(GTK_OBJECT(tb), "join"));
1635 gchar const *cap
1636 = static_cast<gchar const *>(gtk_object_get_data(GTK_OBJECT(tb), "cap"));
1638 if (join) {
1639 GtkWidget *ml = GTK_WIDGET(g_object_get_data(G_OBJECT(spw), "miterlimit_sb"));
1640 gtk_widget_set_sensitive (ml, !strcmp(join, "miter"));
1641 }
1643 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1645 /* TODO: Create some standardized method */
1646 SPCSSAttr *css = sp_repr_css_attr_new();
1648 if (join) {
1649 sp_repr_css_set_property(css, "stroke-linejoin", join);
1651 sp_desktop_set_style (desktop, css);
1653 sp_stroke_style_set_join_buttons(spw, GTK_WIDGET(tb));
1654 } else if (cap) {
1655 sp_repr_css_set_property(css, "stroke-linecap", cap);
1657 sp_desktop_set_style (desktop, css);
1659 sp_stroke_style_set_cap_buttons(spw, GTK_WIDGET(tb));
1660 }
1662 sp_repr_css_attr_unref(css);
1664 sp_document_done(sp_desktop_document(desktop), SP_VERB_DIALOG_FILL_STROKE,
1665 _("Set stroke style"));
1666 }
1667 }
1670 /**
1671 * Updates the join style toggle buttons
1672 */
1673 static void
1674 sp_stroke_style_set_join_buttons(SPWidget *spw, GtkWidget *active)
1675 {
1676 GtkWidget *tb;
1678 tb = GTK_WIDGET(gtk_object_get_data( GTK_OBJECT(spw),
1679 INKSCAPE_STOCK_JOIN_MITER) );
1680 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tb), (active == tb));
1682 GtkWidget *ml = GTK_WIDGET(g_object_get_data(G_OBJECT(spw), "miterlimit_sb"));
1683 gtk_widget_set_sensitive(ml, (active == tb));
1685 tb = GTK_WIDGET(gtk_object_get_data( GTK_OBJECT(spw),
1686 INKSCAPE_STOCK_JOIN_ROUND) );
1687 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tb), (active == tb));
1688 tb = GTK_WIDGET(gtk_object_get_data( GTK_OBJECT(spw),
1689 INKSCAPE_STOCK_JOIN_BEVEL) );
1690 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tb), (active == tb));
1691 }
1695 /**
1696 * Updates the cap style toggle buttons
1697 */
1698 static void
1699 sp_stroke_style_set_cap_buttons(SPWidget *spw, GtkWidget *active)
1700 {
1701 GtkWidget *tb;
1703 tb = GTK_WIDGET(gtk_object_get_data( GTK_OBJECT(spw),
1704 INKSCAPE_STOCK_CAP_BUTT));
1705 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tb), (active == tb));
1706 tb = GTK_WIDGET(gtk_object_get_data( GTK_OBJECT(spw),
1707 INKSCAPE_STOCK_CAP_ROUND) );
1708 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tb), (active == tb));
1709 tb = GTK_WIDGET(gtk_object_get_data( GTK_OBJECT(spw),
1710 INKSCAPE_STOCK_CAP_SQUARE) );
1711 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tb), (active == tb));
1712 }
1714 /**
1715 * Sets the current marker in the marker menu.
1716 */
1717 static void
1718 ink_marker_menu_set_current(SPObject *marker, GtkOptionMenu *mnu)
1719 {
1720 gtk_object_set_data(GTK_OBJECT(mnu), "update", GINT_TO_POINTER(TRUE));
1722 GtkMenu *m = GTK_MENU(gtk_option_menu_get_menu(mnu));
1723 if (marker != NULL) {
1724 bool mark_is_stock = false;
1725 if (SP_OBJECT_REPR(marker)->attribute("inkscape:stockid"))
1726 mark_is_stock = true;
1728 gchar *markname;
1729 if (mark_is_stock)
1730 markname = g_strdup(SP_OBJECT_REPR(marker)->attribute("inkscape:stockid"));
1731 else
1732 markname = g_strdup(SP_OBJECT_REPR(marker)->attribute("id"));
1734 int markpos = 0;
1735 GList *kids = GTK_MENU_SHELL(m)->children;
1736 int i = 0;
1737 for (; kids != NULL; kids = kids->next) {
1738 gchar *mark = (gchar *) g_object_get_data(G_OBJECT(kids->data), "marker");
1739 if ( mark && strcmp(mark, markname) == 0 ) {
1740 if ( mark_is_stock && !strcmp((gchar *) g_object_get_data(G_OBJECT(kids->data), "stockid"), "true"))
1741 markpos = i;
1742 if ( !mark_is_stock && !strcmp((gchar *) g_object_get_data(G_OBJECT(kids->data), "stockid"), "false"))
1743 markpos = i;
1744 }
1745 i++;
1746 }
1747 gtk_option_menu_set_history(GTK_OPTION_MENU(mnu), markpos);
1749 g_free (markname);
1750 }
1751 else {
1752 gtk_option_menu_set_history(GTK_OPTION_MENU(mnu), 0);
1753 }
1754 gtk_object_set_data(GTK_OBJECT(mnu), "update", GINT_TO_POINTER(FALSE));
1755 }
1757 /**
1758 * Updates the marker menus to highlight the appropriate marker and scroll to
1759 * that marker.
1760 */
1761 static void
1762 sp_stroke_style_update_marker_menus( SPWidget *spw,
1763 GSList const *objects)
1764 {
1765 struct { char const *key; int loc; } const keyloc[] = {
1766 { "start_mark_menu", SP_MARKER_LOC_START },
1767 { "mid_mark_menu", SP_MARKER_LOC_MID },
1768 { "end_mark_menu", SP_MARKER_LOC_END }
1769 };
1771 bool all_texts = true;
1772 for (GSList *i = (GSList *) objects; i != NULL; i = i->next) {
1773 if (!SP_IS_TEXT (i->data)) {
1774 all_texts = false;
1775 }
1776 }
1778 for (unsigned i = 0; i < G_N_ELEMENTS(keyloc); ++i) {
1779 GtkOptionMenu *mnu = (GtkOptionMenu *) g_object_get_data(G_OBJECT(spw), keyloc[i].key);
1780 if (all_texts) {
1781 // Per SVG spec, text objects cannot have markers; disable menus if only texts are selected
1782 gtk_widget_set_sensitive (GTK_WIDGET(mnu), FALSE);
1783 } else {
1784 gtk_widget_set_sensitive (GTK_WIDGET(mnu), TRUE);
1785 }
1786 }
1788 // We show markers of the first object in the list only
1789 // FIXME: use the first in the list that has the marker of each type, if any
1790 SPObject *object = SP_OBJECT(objects->data);
1792 for (unsigned i = 0; i < G_N_ELEMENTS(keyloc); ++i) {
1793 // For all three marker types,
1795 // find the corresponding menu
1796 GtkOptionMenu *mnu = (GtkOptionMenu *) g_object_get_data(G_OBJECT(spw), keyloc[i].key);
1798 // Quit if we're in update state
1799 if (gtk_object_get_data(GTK_OBJECT(mnu), "update")) {
1800 return;
1801 }
1803 if (object->style->marker[keyloc[i].loc].value != NULL && !all_texts) {
1804 // If the object has this type of markers,
1806 // Extract the name of the marker that the object uses
1807 SPObject *marker = ink_extract_marker_name(object->style->marker[keyloc[i].loc].value);
1808 // Scroll the menu to that marker
1809 ink_marker_menu_set_current (marker, mnu);
1811 } else {
1812 gtk_option_menu_set_history(GTK_OPTION_MENU(mnu), 0);
1813 }
1814 }
1815 }
1818 /**
1819 * Extract the actual name of the link
1820 * e.g. get mTriangle from url(#mTriangle).
1821 * \return Buffer containing the actual name, allocated from GLib;
1822 * the caller should free the buffer when they no longer need it.
1823 */
1824 static SPObject*
1825 ink_extract_marker_name(gchar const *n)
1826 {
1827 gchar const *p = n;
1828 while (*p != '\0' && *p != '#') {
1829 p++;
1830 }
1832 if (*p == '\0' || p[1] == '\0') {
1833 return NULL;
1834 }
1836 p++;
1837 int c = 0;
1838 while (p[c] != '\0' && p[c] != ')') {
1839 c++;
1840 }
1842 if (p[c] == '\0') {
1843 return NULL;
1844 }
1846 gchar* b = g_strdup(p);
1847 b[c] = '\0';
1850 SPDesktop *desktop = inkscape_active_desktop();
1851 SPDocument *doc = sp_desktop_document(desktop);
1852 SPObject *marker = doc->getObjectById(b);
1853 return marker;
1854 }
1857 /*
1858 Local Variables:
1859 mode:c++
1860 c-file-style:"stroustrup"
1861 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1862 indent-tabs-mode:nil
1863 fill-column:99
1864 End:
1865 */
1866 // vim: filetype=c++:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :