stroke-style.cpp revision 4d79affe53b5c0e7dbc67014aee9be5251dc56df
#define __SP_STROKE_STYLE_C__
/**
* \brief Stroke style dialog
*
* Authors:
* Lauris Kaplinski <lauris@kaplinski.com>
* Bryce Harrington <brycehar@bryceharrington.org>
* bulia byak <buliabyak@users.sf.net>
*
* Copyright (C) 2001-2005 authors
* Copyright (C) 2001 Ximian, Inc.
* Copyright (C) 2004 John Cliff
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#define noSP_SS_VERBOSE
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <glib/gmem.h>
#include <gtk/gtk.h>
#include <glibmm/i18n.h>
#include "helper/unit-menu.h"
#include "helper/units.h"
#include "svg/css-ostringstream.h"
#include "widgets/sp-widget.h"
#include "widgets/spw-utilities.h"
#include "sp-linear-gradient.h"
#include "sp-radial-gradient.h"
#include "marker.h"
#include "sp-pattern.h"
#include "widgets/paint-selector.h"
#include "widgets/dash-selector.h"
#include "style.h"
#include "gradient-chemistry.h"
#include "sp-namedview.h"
#include "desktop-handles.h"
#include "desktop-style.h"
#include "selection.h"
#include "inkscape.h"
#include "inkscape-stock.h"
#include "dialogs/dialog-events.h"
#include "sp-text.h"
#include "sp-rect.h"
#include "document-private.h"
#include "display/nr-arena.h"
#include "display/nr-arena-item.h"
#include "path-prefix.h"
#include "widgets/icon.h"
#include "helper/stock-items.h"
#include "io/sys.h"
#include "ui/cache/svg_preview_cache.h"
#include "dialogs/stroke-style.h"
/* Paint */
static void sp_stroke_style_paint_construct(SPWidget *spw, SPPaintSelector *psel);
static void sp_stroke_style_paint_selection_modified (SPWidget *spw, Inkscape::Selection *selection, guint flags, SPPaintSelector *psel);
static void sp_stroke_style_paint_selection_changed (SPWidget *spw, Inkscape::Selection *selection, SPPaintSelector *psel);
static void sp_stroke_style_paint_update(SPWidget *spw);
static void sp_stroke_style_paint_mode_changed(SPPaintSelector *psel, SPPaintSelectorMode mode, SPWidget *spw);
static void sp_stroke_style_paint_dragged(SPPaintSelector *psel, SPWidget *spw);
static void sp_stroke_style_paint_changed(SPPaintSelector *psel, SPWidget *spw);
static void sp_stroke_style_widget_change_subselection ( Inkscape::Application *inkscape, SPDesktop *desktop, SPWidget *spw );
static void sp_stroke_style_widget_transientize_callback(Inkscape::Application *inkscape,
SPDesktop *desktop,
SPWidget *spw );
/** Marker selection option menus */
static GtkWidget * marker_start_menu = NULL;
static GtkWidget * marker_mid_menu = NULL;
static GtkWidget * marker_end_menu = NULL;
static SPObject *ink_extract_marker_name(gchar const *n);
static void ink_markers_menu_update(SPWidget* spw);
static Inkscape::UI::Cache::SvgPreview svg_preview_cache;
/**
* Create the stroke style widget, and hook up all the signals.
*/
GtkWidget *
sp_stroke_style_paint_widget_new(void)
{
GtkWidget *spw, *psel;
spw = sp_widget_new_global(INKSCAPE);
psel = sp_paint_selector_new(false); // without fillrule selector
gtk_widget_show(psel);
gtk_container_add(GTK_CONTAINER(spw), psel);
gtk_object_set_data(GTK_OBJECT(spw), "paint-selector", psel);
gtk_signal_connect(GTK_OBJECT(spw), "construct",
GTK_SIGNAL_FUNC(sp_stroke_style_paint_construct),
psel);
gtk_signal_connect(GTK_OBJECT(spw), "modify_selection",
GTK_SIGNAL_FUNC(sp_stroke_style_paint_selection_modified),
psel);
gtk_signal_connect(GTK_OBJECT(spw), "change_selection",
GTK_SIGNAL_FUNC(sp_stroke_style_paint_selection_changed),
psel);
g_signal_connect (INKSCAPE, "change_subselection", G_CALLBACK (sp_stroke_style_widget_change_subselection), spw);
g_signal_connect (G_OBJECT(INKSCAPE), "activate_desktop", G_CALLBACK (sp_stroke_style_widget_transientize_callback), spw );
gtk_signal_connect(GTK_OBJECT(psel), "mode_changed",
GTK_SIGNAL_FUNC(sp_stroke_style_paint_mode_changed),
spw);
gtk_signal_connect(GTK_OBJECT(psel), "dragged",
GTK_SIGNAL_FUNC(sp_stroke_style_paint_dragged),
spw);
gtk_signal_connect(GTK_OBJECT(psel), "changed",
GTK_SIGNAL_FUNC(sp_stroke_style_paint_changed),
spw);
sp_stroke_style_paint_update (SP_WIDGET(spw));
return spw;
}
/**
* On construction, simply does an update of the stroke style paint object.
*/
static void
sp_stroke_style_paint_construct(SPWidget *spw, SPPaintSelector *psel)
{
#ifdef SP_SS_VERBOSE
g_print( "Stroke style widget constructed: inkscape %p repr %p\n",
spw->inkscape, spw->repr );
#endif
if (spw->inkscape) {
sp_stroke_style_paint_update (spw);
}
}
/**
* On signal modified, invokes an update of the stroke style paint object.
*/
static void
sp_stroke_style_paint_selection_modified ( SPWidget *spw,
Inkscape::Selection *selection,
guint flags,
SPPaintSelector *psel)
{
if (flags & ( SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_PARENT_MODIFIED_FLAG |
SP_OBJECT_STYLE_MODIFIED_FLAG) ) {
sp_stroke_style_paint_update(spw);
}
}
/**
* On signal selection changed, invokes an update of the stroke style paint object.
*/
static void
sp_stroke_style_paint_selection_changed ( SPWidget *spw,
Inkscape::Selection *selection,
SPPaintSelector *psel )
{
sp_stroke_style_paint_update (spw);
}
/**
* On signal change subselection, invoke an update of the stroke style widget.
*/
static void
sp_stroke_style_widget_change_subselection ( Inkscape::Application *inkscape,
SPDesktop *desktop,
SPWidget *spw )
{
sp_stroke_style_paint_update (spw);
}
/**
* Gets the active stroke style property, then sets the appropriate color, alpha, gradient,
* pattern, etc. for the paint-selector.
*/
static void
sp_stroke_style_paint_update (SPWidget *spw)
{
if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
return;
}
gtk_object_set_data(GTK_OBJECT(spw), "update", GINT_TO_POINTER(TRUE));
SPPaintSelector *psel = SP_PAINT_SELECTOR(gtk_object_get_data(GTK_OBJECT(spw), "paint-selector"));
// create temporary style
SPStyle *query = sp_style_new ();
// query into it
int result = sp_desktop_query_style (SP_ACTIVE_DESKTOP, query, QUERY_STYLE_PROPERTY_STROKE);
switch (result) {
case QUERY_STYLE_NOTHING:
{
/* No paint at all */
sp_paint_selector_set_mode (psel, SP_PAINT_SELECTOR_MODE_EMPTY);
break;
}
case QUERY_STYLE_SINGLE:
case QUERY_STYLE_MULTIPLE_AVERAGED: // TODO: treat this slightly differently, e.g. display "averaged" somewhere in paint selector
case QUERY_STYLE_MULTIPLE_SAME:
{
SPPaintSelectorMode pselmode = sp_style_determine_paint_selector_mode (query, false);
sp_paint_selector_set_mode (psel, pselmode);
if (query->stroke.set && query->stroke.type == SP_PAINT_TYPE_COLOR) {
gfloat d[3];
sp_color_get_rgb_floatv (&query->stroke.value.color, d);
SPColor color;
sp_color_set_rgb_float (&color, d[0], d[1], d[2]);
sp_paint_selector_set_color_alpha (psel, &color, SP_SCALE24_TO_FLOAT (query->stroke_opacity.value));
} else if (query->stroke.set && query->stroke.type == SP_PAINT_TYPE_PAINTSERVER) {
SPPaintServer *server = SP_STYLE_STROKE_SERVER (query);
if (SP_IS_LINEARGRADIENT (server)) {
SPGradient *vector = sp_gradient_get_vector (SP_GRADIENT (server), FALSE);
sp_paint_selector_set_gradient_linear (psel, vector);
SPLinearGradient *lg = SP_LINEARGRADIENT (server);
sp_paint_selector_set_gradient_properties (psel,
SP_GRADIENT_UNITS (lg),
SP_GRADIENT_SPREAD (lg));
} else if (SP_IS_RADIALGRADIENT (server)) {
SPGradient *vector = sp_gradient_get_vector (SP_GRADIENT (server), FALSE);
sp_paint_selector_set_gradient_radial (psel, vector);
SPRadialGradient *rg = SP_RADIALGRADIENT (server);
sp_paint_selector_set_gradient_properties (psel,
SP_GRADIENT_UNITS (rg),
SP_GRADIENT_SPREAD (rg));
} else if (SP_IS_PATTERN (server)) {
SPPattern *pat = pattern_getroot (SP_PATTERN (server));
sp_update_pattern_list (psel, pat);
}
}
break;
}
case QUERY_STYLE_MULTIPLE_DIFFERENT:
{
sp_paint_selector_set_mode (psel, SP_PAINT_SELECTOR_MODE_MULTIPLE);
break;
}
}
sp_style_unref(query);
gtk_object_set_data(GTK_OBJECT(spw), "update", GINT_TO_POINTER(FALSE));
}
/**
* When the mode is changed, invoke a regular changed handler.
*/
static void
sp_stroke_style_paint_mode_changed( SPPaintSelector *psel,
SPPaintSelectorMode mode,
SPWidget *spw )
{
if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
return;
}
/* TODO: Does this work?
* Not really, here we have to get old color back from object
* Instead of relying on paint widget having meaningful colors set
*/
sp_stroke_style_paint_changed(psel, spw);
}
static gchar *undo_label_1 = "stroke:flatcolor:1";
static gchar *undo_label_2 = "stroke:flatcolor:2";
static gchar *undo_label = undo_label_1;
/**
* When a drag callback occurs on a paint selector object, if it is a RGB or CMYK
* color mode, then set the stroke opacity to psel's flat color.
*/
static void
sp_stroke_style_paint_dragged(SPPaintSelector *psel, SPWidget *spw)
{
if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
return;
}
switch (psel->mode) {
case SP_PAINT_SELECTOR_MODE_COLOR_RGB:
case SP_PAINT_SELECTOR_MODE_COLOR_CMYK:
{
sp_paint_selector_set_flat_color (psel, SP_ACTIVE_DESKTOP, "stroke", "stroke-opacity");
sp_document_maybe_done (sp_desktop_document(SP_ACTIVE_DESKTOP), undo_label, SP_VERB_DIALOG_FILL_STROKE,
_("Set stroke color"));
break;
}
default:
g_warning( "file %s: line %d: Paint %d should not emit 'dragged'",
__FILE__, __LINE__, psel->mode);
break;
}
}
/**
* When the stroke style's paint settings change, this handler updates the
* repr's stroke css style and applies the style to relevant drawing items.
*/
static void
sp_stroke_style_paint_changed(SPPaintSelector *psel, SPWidget *spw)
{
if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
return;
}
g_object_set_data (G_OBJECT (spw), "update", GINT_TO_POINTER (TRUE));
SPDesktop *desktop = SP_ACTIVE_DESKTOP;
SPDocument *document = sp_desktop_document (desktop);
Inkscape::Selection *selection = sp_desktop_selection (desktop);
GSList const *items = selection->itemList();
switch (psel->mode) {
case SP_PAINT_SELECTOR_MODE_EMPTY:
// This should not happen.
g_warning ( "file %s: line %d: Paint %d should not emit 'changed'",
__FILE__, __LINE__, psel->mode);
break;
case SP_PAINT_SELECTOR_MODE_MULTIPLE:
// This happens when you switch multiple objects with different gradients to flat color;
// nothing to do here.
break;
case SP_PAINT_SELECTOR_MODE_NONE:
{
SPCSSAttr *css = sp_repr_css_attr_new();
sp_repr_css_set_property(css, "stroke", "none");
sp_desktop_set_style (desktop, css);
sp_repr_css_attr_unref(css);
sp_document_done(document, SP_VERB_DIALOG_FILL_STROKE,
_("Remove stroke"));
break;
}
case SP_PAINT_SELECTOR_MODE_COLOR_RGB:
case SP_PAINT_SELECTOR_MODE_COLOR_CMYK:
{
sp_paint_selector_set_flat_color (psel, desktop, "stroke", "stroke-opacity");
sp_document_maybe_done (sp_desktop_document(desktop), undo_label, SP_VERB_DIALOG_FILL_STROKE,
_("Set stroke color"));
// on release, toggle undo_label so that the next drag will not be lumped with this one
if (undo_label == undo_label_1)
undo_label = undo_label_2;
else
undo_label = undo_label_1;
break;
}
case SP_PAINT_SELECTOR_MODE_GRADIENT_LINEAR:
case SP_PAINT_SELECTOR_MODE_GRADIENT_RADIAL:
if (items) {
SPGradientType const gradient_type = ( psel->mode == SP_PAINT_SELECTOR_MODE_GRADIENT_LINEAR
? SP_GRADIENT_TYPE_LINEAR
: SP_GRADIENT_TYPE_RADIAL );
SPGradient *vector = sp_paint_selector_get_gradient_vector(psel);
if (!vector) {
/* No vector in paint selector should mean that we just changed mode */
SPStyle *query = sp_style_new ();
int result = objects_query_fillstroke ((GSList *) items, query, false);
guint32 common_rgb = 0;
if (result == QUERY_STYLE_MULTIPLE_SAME) {
if (query->fill.type != SP_PAINT_TYPE_COLOR) {
common_rgb = sp_desktop_get_color(desktop, false);
} else {
common_rgb = sp_color_get_rgba32_ualpha(&query->stroke.value.color, 0xff);
}
vector = sp_document_default_gradient_vector(document, common_rgb);
}
sp_style_unref(query);
for (GSList const *i = items; i != NULL; i = i->next) {
if (!vector) {
sp_item_set_gradient(SP_ITEM(i->data),
sp_gradient_vector_for_object(document, desktop, SP_OBJECT(i->data), false),
gradient_type, false);
} else {
sp_item_set_gradient(SP_ITEM(i->data), vector, gradient_type, false);
}
}
} else {
vector = sp_gradient_ensure_vector_normalized(vector);
for (GSList const *i = items; i != NULL; i = i->next) {
SPGradient *gr = sp_item_set_gradient(SP_ITEM(i->data), vector, gradient_type, false);
sp_gradient_selector_attrs_to_gradient(gr, psel);
}
}
sp_document_done(document, SP_VERB_DIALOG_FILL_STROKE,
_("Set gradient on stroke"));
}
break;
case SP_PAINT_SELECTOR_MODE_PATTERN:
if (items) {
SPPattern *pattern = sp_paint_selector_get_pattern (psel);
if (!pattern) {
/* No Pattern in paint selector should mean that we just
* changed mode - dont do jack.
*/
} else {
Inkscape::XML::Node *patrepr = SP_OBJECT_REPR(pattern);
SPCSSAttr *css = sp_repr_css_attr_new ();
gchar *urltext = g_strdup_printf ("url(#%s)", patrepr->attribute("id"));
sp_repr_css_set_property (css, "stroke", urltext);
for (GSList const *i = items; i != NULL; i = i->next) {
Inkscape::XML::Node *selrepr = SP_OBJECT_REPR (i->data);
SPObject *selobj = SP_OBJECT (i->data);
if (!selrepr)
continue;
SPStyle *style = SP_OBJECT_STYLE (selobj);
if (style && style->stroke.type == SP_PAINT_TYPE_PAINTSERVER) {
SPObject *server = SP_OBJECT_STYLE_STROKE_SERVER (selobj);
if (SP_IS_PATTERN (server) && pattern_getroot (SP_PATTERN(server)) == pattern)
// only if this object's pattern is not rooted in our selected pattern, apply
continue;
}
sp_repr_css_change_recursive (selrepr, css, "style");
}
sp_repr_css_attr_unref (css);
g_free (urltext);
} // end if
sp_document_done (document, SP_VERB_DIALOG_FILL_STROKE,
_("Set pattern on stroke"));
} // end if
break;
case SP_PAINT_SELECTOR_MODE_UNSET:
if (items) {
SPCSSAttr *css = sp_repr_css_attr_new ();
sp_repr_css_unset_property (css, "stroke");
sp_desktop_set_style (desktop, css);
sp_repr_css_attr_unref (css);
sp_document_done (document, SP_VERB_DIALOG_FILL_STROKE,
_("Unset stroke"));
}
break;
default:
g_warning( "file %s: line %d: Paint selector should not be in "
"mode %d",
__FILE__, __LINE__,
psel->mode );
break;
}
g_object_set_data (G_OBJECT (spw), "update", GINT_TO_POINTER (FALSE));
}
/* Line */
static void sp_stroke_style_line_construct(SPWidget *spw, gpointer data);
static void sp_stroke_style_line_selection_modified (SPWidget *spw,
Inkscape::Selection *selection,
guint flags,
gpointer data);
static void sp_stroke_style_line_selection_changed (SPWidget *spw,
Inkscape::Selection *selection,
gpointer data );
static void sp_stroke_style_line_update(SPWidget *spw, Inkscape::Selection *sel);
static void sp_stroke_style_set_join_buttons(SPWidget *spw,
GtkWidget *active);
static void sp_stroke_style_set_cap_buttons(SPWidget *spw,
GtkWidget *active);
static void sp_stroke_style_width_changed(GtkAdjustment *adj, SPWidget *spw);
static void sp_stroke_style_miterlimit_changed(GtkAdjustment *adj, SPWidget *spw);
static void sp_stroke_style_any_toggled(GtkToggleButton *tb, SPWidget *spw);
static void sp_stroke_style_line_dash_changed(SPDashSelector *dsel,
SPWidget *spw);
static void sp_stroke_style_update_marker_menus(SPWidget *spw, GSList const *objects);
/**
* Helper function for creating radio buttons. This should probably be re-thought out
* when reimplementing this with Gtkmm.
*/
static GtkWidget *
sp_stroke_radio_button(GtkWidget *tb, char const *icon,
GtkWidget *hb, GtkWidget *spw,
gchar const *key, gchar const *data)
{
g_assert(icon != NULL);
g_assert(hb != NULL);
g_assert(spw != NULL);
if (tb == NULL) {
tb = gtk_radio_button_new(NULL);
} else {
tb = gtk_radio_button_new(gtk_radio_button_group(GTK_RADIO_BUTTON(tb)) );
}
gtk_widget_show(tb);
gtk_toggle_button_set_mode(GTK_TOGGLE_BUTTON(tb), FALSE);
gtk_box_pack_start(GTK_BOX(hb), tb, FALSE, FALSE, 0);
gtk_object_set_data(GTK_OBJECT(spw), icon, tb);
gtk_object_set_data(GTK_OBJECT(tb), key, (gpointer*)data);
gtk_signal_connect(GTK_OBJECT(tb), "toggled",
GTK_SIGNAL_FUNC(sp_stroke_style_any_toggled),
spw);
GtkWidget *px = sp_icon_new(Inkscape::ICON_SIZE_LARGE_TOOLBAR, icon);
g_assert(px != NULL);
gtk_widget_show(px);
gtk_container_add(GTK_CONTAINER(tb), px);
return tb;
}
static void
sp_stroke_style_widget_transientize_callback(Inkscape::Application *inkscape,
SPDesktop *desktop,
SPWidget *spw )
{
// TODO: Either of these will cause crashes sometimes
// sp_stroke_style_line_update( SP_WIDGET(spw), desktop ? sp_desktop_selection(desktop) : NULL);
// ink_markers_menu_update(spw);
}
/**
* Creates a copy of the marker named mname, determines its visible and renderable
* area in menu_id's bounding box, and then renders it. This allows us to fill in
* preview images of each marker in the marker menu.
*/
static GtkWidget *
sp_marker_prev_new(unsigned psize, gchar const *mname,
SPDocument *source, SPDocument *sandbox,
gchar *menu_id, NRArena const *arena, unsigned visionkey, NRArenaItem *root)
{
// Retrieve the marker named 'mname' from the source SVG document
SPObject const *marker = source->getObjectById(mname);
if (marker == NULL)
return NULL;
// Create a copy repr of the marker with id="sample"
Inkscape::XML::Document *xml_doc = sp_document_repr_doc(sandbox);
Inkscape::XML::Node *mrepr = SP_OBJECT_REPR (marker)->duplicate(xml_doc);
mrepr->setAttribute("id", "sample");
// Replace the old sample in the sandbox by the new one
Inkscape::XML::Node *defsrepr = SP_OBJECT_REPR (sandbox->getObjectById("defs"));
SPObject *oldmarker = sandbox->getObjectById("sample");
if (oldmarker)
oldmarker->deleteObject(false);
defsrepr->appendChild(mrepr);
Inkscape::GC::release(mrepr);
// Uncomment this to get the sandbox documents saved (useful for debugging)
//FILE *fp = fopen (g_strconcat(mname, ".svg", NULL), "w");
//sp_repr_save_stream (sp_document_repr_doc (sandbox), fp);
//fclose (fp);
// object to render; note that the id is the same as that of the menu we're building
SPObject *object = sandbox->getObjectById(menu_id);
sp_document_root (sandbox)->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
sp_document_ensure_up_to_date(sandbox);
if (object == NULL || !SP_IS_ITEM(object))
return NULL; // sandbox broken?
// Find object's bbox in document
NR::Matrix const i2doc(sp_item_i2doc_affine(SP_ITEM(object)));
NR::Maybe<NR::Rect> dbox = SP_ITEM(object)->getBounds(i2doc);
if (!dbox) {
return NULL;
}
/* Update to renderable state */
double sf = 0.8;
GdkPixbuf* pixbuf = NULL;
Glib::ustring key = svg_preview_cache.cache_key(source->uri, mname, psize);
pixbuf = svg_preview_cache.get_preview_from_cache(key);
if (pixbuf == NULL) {
pixbuf = render_pixbuf(root, sf, *dbox, psize);
svg_preview_cache.set_preview_in_cache(key, pixbuf);
}
// Create widget
GtkWidget *pb = gtk_image_new_from_pixbuf(pixbuf);
return pb;
}
/**
* Returns a list of markers in the defs of the given source document as a GSList object
* Returns NULL if there are no markers in the document.
*/
GSList *
ink_marker_list_get (SPDocument *source)
{
if (source == NULL)
return NULL;
GSList *ml = NULL;
SPDefs *defs = (SPDefs *) SP_DOCUMENT_DEFS (source);
for ( SPObject *child = sp_object_first_child(SP_OBJECT(defs));
child != NULL;
child = SP_OBJECT_NEXT (child) )
{
if (SP_IS_MARKER(child)) {
ml = g_slist_prepend (ml, child);
}
}
return ml;
}
#define MARKER_ITEM_MARGIN 0
/**
* Adds previews of markers in marker_list to the given menu widget
*/
static void
sp_marker_menu_build (GtkWidget *m, GSList *marker_list, SPDocument *source, SPDocument *sandbox, gchar *menu_id)
{
// Do this here, outside of loop, to speed up preview generation:
NRArena const *arena = NRArena::create();
unsigned const visionkey = sp_item_display_key_new(1);
NRArenaItem *root = sp_item_invoke_show( SP_ITEM(SP_DOCUMENT_ROOT (sandbox)), (NRArena *) arena, visionkey, SP_ITEM_SHOW_DISPLAY );
for (; marker_list != NULL; marker_list = marker_list->next) {
Inkscape::XML::Node *repr = SP_OBJECT_REPR((SPItem *) marker_list->data);
GtkWidget *i = gtk_menu_item_new();
gtk_widget_show(i);
if (repr->attribute("inkscape:stockid"))
g_object_set_data (G_OBJECT(i), "stockid", (void *) "true");
else
g_object_set_data (G_OBJECT(i), "stockid", (void *) "false");
gchar const *markid = repr->attribute("id");
g_object_set_data (G_OBJECT(i), "marker", (void *) markid);
GtkWidget *hb = gtk_hbox_new(FALSE, MARKER_ITEM_MARGIN);
gtk_widget_show(hb);
// generate preview
GtkWidget *prv = sp_marker_prev_new (22, markid, source, sandbox, menu_id, arena, visionkey, root);
gtk_widget_show(prv);
gtk_box_pack_start(GTK_BOX(hb), prv, FALSE, FALSE, 6);
// create label
GtkWidget *l = gtk_label_new(repr->attribute("id"));
gtk_widget_show(l);
gtk_misc_set_alignment(GTK_MISC(l), 0.0, 0.5);
gtk_box_pack_start(GTK_BOX(hb), l, TRUE, TRUE, 0);
gtk_widget_show(hb);
gtk_container_add(GTK_CONTAINER(i), hb);
gtk_menu_append(GTK_MENU(m), i);
}
}
/**
* sp_marker_list_from_doc()
*
* \brief Pick up all markers from source, except those that are in
* current_doc (if non-NULL), and add items to the m menu
*
*/
static void
sp_marker_list_from_doc (GtkWidget *m, SPDocument *current_doc, SPDocument *source, SPDocument *markers_doc, SPDocument *sandbox, gchar *menu_id)
{
GSList *ml = ink_marker_list_get(source);
GSList *clean_ml = NULL;
for (; ml != NULL; ml = ml->next) {
if (!SP_IS_MARKER(ml->data))
continue;
// Add to the list of markers we really do wish to show
clean_ml = g_slist_prepend (clean_ml, ml->data);
}
sp_marker_menu_build (m, clean_ml, source, sandbox, menu_id);
g_slist_free (ml);
g_slist_free (clean_ml);
}
/**
* Returns a new document containing default start, mid, and end markers.
*/
SPDocument *
ink_markers_preview_doc ()
{
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\">"
" <defs id=\"defs\" />"
" <g id=\"marker-start\">"
" <path style=\"fill:none;stroke:black;stroke-width:1.7;marker-start:url(#sample);marker-mid:none;marker-end:none\""
" d=\"M 12.5,13 L 25,13\" id=\"path1\" />"
" <rect style=\"fill:none;stroke:none\" id=\"rect2\""
" width=\"25\" height=\"25\" x=\"0\" y=\"0\" />"
" </g>"
" <g id=\"marker-mid\">"
" <path style=\"fill:none;stroke:black;stroke-width:1.7;marker-start:none;marker-mid:url(#sample);marker-end:none\""
" d=\"M 0,113 L 12.5,113 L 25,113\" id=\"path11\" />"
" <rect style=\"fill:none;stroke:none\" id=\"rect22\""
" width=\"25\" height=\"25\" x=\"0\" y=\"100\" />"
" </g>"
" <g id=\"marker-end\">"
" <path style=\"fill:none;stroke:black;stroke-width:1.7;marker-start:none;marker-mid:none;marker-end:url(#sample)\""
" d=\"M 0,213 L 12.5,213\" id=\"path111\" />"
" <rect style=\"fill:none;stroke:none\" id=\"rect222\""
" width=\"25\" height=\"25\" x=\"0\" y=\"200\" />"
" </g>"
"</svg>";
return sp_document_new_from_mem (buffer, strlen(buffer), FALSE);
}
static void
ink_marker_menu_create_menu(GtkWidget *m, gchar *menu_id, SPDocument *doc, SPDocument *sandbox)
{
static SPDocument *markers_doc = NULL;
// add "None"
GtkWidget *i = gtk_menu_item_new();
gtk_widget_show(i);
g_object_set_data(G_OBJECT(i), "marker", (void *) "none");
GtkWidget *hb = gtk_hbox_new(FALSE, MARKER_ITEM_MARGIN);
gtk_widget_show(hb);
GtkWidget *l = gtk_label_new( _("None") );
gtk_widget_show(l);
gtk_misc_set_alignment(GTK_MISC(l), 0.0, 0.5);
gtk_box_pack_start(GTK_BOX(hb), l, TRUE, TRUE, 0);
gtk_widget_show(hb);
gtk_container_add(GTK_CONTAINER(i), hb);
gtk_menu_append(GTK_MENU(m), i);
// find and load markers.svg
if (markers_doc == NULL) {
char *markers_source = g_build_filename(INKSCAPE_MARKERSDIR, "markers.svg", NULL);
if (Inkscape::IO::file_test(markers_source, G_FILE_TEST_IS_REGULAR)) {
markers_doc = sp_document_new(markers_source, FALSE);
}
g_free(markers_source);
}
// suck in from current doc
sp_marker_list_from_doc ( m, NULL, doc, markers_doc, sandbox, menu_id );
// add separator
{
GtkWidget *i = gtk_separator_menu_item_new();
gtk_widget_show(i);
gtk_menu_append(GTK_MENU(m), i);
}
// suck in from markers.svg
if (markers_doc) {
sp_document_ensure_up_to_date(doc);
sp_marker_list_from_doc ( m, doc, markers_doc, NULL, sandbox, menu_id );
}
}
/**
* Creates a menu widget to display markers from markers.svg
*/
static GtkWidget *
ink_marker_menu( GtkWidget *tbl, gchar *menu_id, SPDocument *sandbox)
{
SPDesktop *desktop = inkscape_active_desktop();
SPDocument *doc = sp_desktop_document(desktop);
GtkWidget *mnu = gtk_option_menu_new();
/* Create new menu widget */
GtkWidget *m = gtk_menu_new();
gtk_widget_show(m);
g_object_set_data(G_OBJECT(mnu), "updating", (gpointer) FALSE);
if (!doc) {
GtkWidget *i = gtk_menu_item_new_with_label(_("No document selected"));
gtk_widget_show(i);
gtk_menu_append(GTK_MENU(m), i);
gtk_widget_set_sensitive(mnu, FALSE);
} else {
ink_marker_menu_create_menu(m, menu_id, doc, sandbox);
gtk_widget_set_sensitive(mnu, TRUE);
}
gtk_object_set_data(GTK_OBJECT(mnu), "menu_id", menu_id);
gtk_option_menu_set_menu(GTK_OPTION_MENU(mnu), m);
/* Set history */
gtk_option_menu_set_history(GTK_OPTION_MENU(mnu), 0);
return mnu;
}
/**
* Handles when user selects one of the markers from the marker menu.
* Defines a uri string to refer to it, then applies it to all selected
* items in the current desktop.
*/
static void
sp_marker_select(GtkOptionMenu *mnu, GtkWidget *spw)
{
if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
return;
}
SPDesktop *desktop = inkscape_active_desktop();
SPDocument *document = sp_desktop_document(desktop);
if (!document) {
return;
}
/* Get Marker */
if (!g_object_get_data(G_OBJECT(gtk_menu_get_active(GTK_MENU(gtk_option_menu_get_menu(mnu)))),
"marker"))
{
return;
}
gchar *markid = (gchar *) g_object_get_data(G_OBJECT(gtk_menu_get_active(GTK_MENU(gtk_option_menu_get_menu(mnu)))),
"marker");
gchar *marker = "";
if (strcmp(markid, "none")){
gchar *stockid = (gchar *) g_object_get_data(G_OBJECT(gtk_menu_get_active(GTK_MENU(gtk_option_menu_get_menu(mnu)))),
"stockid");
gchar *markurn = markid;
if (!strcmp(stockid,"true")) markurn = g_strconcat("urn:inkscape:marker:",markid,NULL);
SPObject *mark = get_stock_item(markurn);
if (mark) {
Inkscape::XML::Node *repr = SP_OBJECT_REPR(mark);
marker = g_strconcat("url(#", repr->attribute("id"), ")", NULL);
}
} else {
marker = markid;
}
SPCSSAttr *css = sp_repr_css_attr_new();
gchar *menu_id = (gchar *) g_object_get_data(G_OBJECT(mnu), "menu_id");
sp_repr_css_set_property(css, menu_id, marker);
// Also update the marker dropdown menus, so the document's markers
// show up at the top of the menu
// sp_stroke_style_line_update( SP_WIDGET(spw), desktop ? sp_desktop_selection(desktop) : NULL);
ink_markers_menu_update(SP_WIDGET(spw));
Inkscape::Selection *selection = sp_desktop_selection(desktop);
GSList const *items = selection->itemList();
for (; items != NULL; items = items->next) {
SPItem *item = (SPItem *) items->data;
if (!SP_IS_SHAPE(item) || SP_IS_RECT(item)) // can't set marker to rect, until it's converted to using <path>
continue;
Inkscape::XML::Node *selrepr = SP_OBJECT_REPR((SPItem *) items->data);
if (selrepr) {
sp_repr_css_change_recursive(selrepr, css, "style");
}
SP_OBJECT(items->data)->requestModified(SP_OBJECT_MODIFIED_FLAG);
SP_OBJECT(items->data)->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG);
}
sp_repr_css_attr_unref(css);
sp_document_done(document, SP_VERB_DIALOG_FILL_STROKE,
_("Set markers"));
};
static int
ink_marker_menu_get_pos(GtkMenu* mnu, gchar* markname) {
if (markname == NULL)
markname = (gchar *) g_object_get_data(G_OBJECT(gtk_menu_get_active(mnu)), "marker");
if (markname == NULL)
return 0;
GList *kids = GTK_MENU_SHELL(mnu)->children;
int i = 0;
for (; kids != NULL; kids = kids->next) {
gchar *mark = (gchar *) g_object_get_data(G_OBJECT(kids->data), "marker");
if ( mark && strcmp(mark, markname) == 0 ) {
break;
}
i++;
}
return i;
}
static void
ink_markers_menu_update(SPWidget* spw) {
SPDesktop *desktop = inkscape_active_desktop();
SPDocument *document = sp_desktop_document(desktop);
SPDocument *sandbox = ink_markers_preview_doc ();
GtkWidget *m;
int pos;
gtk_signal_handler_block_by_func( GTK_OBJECT(marker_start_menu), GTK_SIGNAL_FUNC(sp_marker_select), spw);
pos = ink_marker_menu_get_pos(GTK_MENU(gtk_option_menu_get_menu(GTK_OPTION_MENU(marker_start_menu))), NULL);
m = gtk_menu_new();
gtk_widget_show(m);
ink_marker_menu_create_menu(m, "marker-start", document, sandbox);
gtk_option_menu_remove_menu(GTK_OPTION_MENU(marker_start_menu));
gtk_option_menu_set_menu(GTK_OPTION_MENU(marker_start_menu), m);
gtk_option_menu_set_history(GTK_OPTION_MENU(marker_start_menu), pos);
gtk_signal_handler_unblock_by_func( GTK_OBJECT(marker_start_menu), GTK_SIGNAL_FUNC(sp_marker_select), spw);
gtk_signal_handler_block_by_func( GTK_OBJECT(marker_mid_menu), GTK_SIGNAL_FUNC(sp_marker_select), spw);
pos = ink_marker_menu_get_pos(GTK_MENU(gtk_option_menu_get_menu(GTK_OPTION_MENU(marker_mid_menu))), NULL);
m = gtk_menu_new();
gtk_widget_show(m);
ink_marker_menu_create_menu(m, "marker-mid", document, sandbox);
gtk_option_menu_remove_menu(GTK_OPTION_MENU(marker_mid_menu));
gtk_option_menu_set_menu(GTK_OPTION_MENU(marker_mid_menu), m);
gtk_option_menu_set_history(GTK_OPTION_MENU(marker_mid_menu), pos);
gtk_signal_handler_unblock_by_func( GTK_OBJECT(marker_mid_menu), GTK_SIGNAL_FUNC(sp_marker_select), spw);
gtk_signal_handler_block_by_func( GTK_OBJECT(marker_end_menu), GTK_SIGNAL_FUNC(sp_marker_select), spw);
pos = ink_marker_menu_get_pos(GTK_MENU(gtk_option_menu_get_menu(GTK_OPTION_MENU(marker_end_menu))), NULL);
m = gtk_menu_new();
gtk_widget_show(m);
ink_marker_menu_create_menu(m, "marker-end", document, sandbox);
gtk_option_menu_remove_menu(GTK_OPTION_MENU(marker_end_menu));
gtk_option_menu_set_menu(GTK_OPTION_MENU(marker_end_menu), m);
gtk_option_menu_set_history(GTK_OPTION_MENU(marker_end_menu), pos);
gtk_signal_handler_unblock_by_func( GTK_OBJECT(marker_end_menu), GTK_SIGNAL_FUNC(sp_marker_select), spw);
}
/**
* Sets the stroke width units for all selected items.
* Also handles absolute and dimensionless units.
*/
static gboolean stroke_width_set_unit(SPUnitSelector *,
SPUnit const *old,
SPUnit const *new_units,
GObject *spw)
{
SPDesktop *desktop = SP_ACTIVE_DESKTOP;
if (!desktop) {
return FALSE;
}
Inkscape::Selection *selection = sp_desktop_selection (desktop);
if (selection->isEmpty())
return FALSE;
GSList const *objects = selection->itemList();
if ((old->base == SP_UNIT_ABSOLUTE || old->base == SP_UNIT_DEVICE) &&
(new_units->base == SP_UNIT_DIMENSIONLESS)) {
/* Absolute to percentage */
g_object_set_data (spw, "update", GUINT_TO_POINTER (TRUE));
GtkAdjustment *a = GTK_ADJUSTMENT(g_object_get_data (spw, "width"));
float w = sp_units_get_pixels (a->value, *old);
gdouble average = stroke_average_width (objects);
if (average == NR_HUGE || average == 0)
return FALSE;
gtk_adjustment_set_value (a, 100.0 * w / average);
g_object_set_data (spw, "update", GUINT_TO_POINTER (FALSE));
return TRUE;
} else if ((old->base == SP_UNIT_DIMENSIONLESS) &&
(new_units->base == SP_UNIT_ABSOLUTE || new_units->base == SP_UNIT_DEVICE)) {
/* Percentage to absolute */
g_object_set_data (spw, "update", GUINT_TO_POINTER (TRUE));
GtkAdjustment *a = GTK_ADJUSTMENT(g_object_get_data (spw, "width"));
gdouble average = stroke_average_width (objects);
gtk_adjustment_set_value (a, sp_pixels_get_units (0.01 * a->value * average, *new_units));
g_object_set_data (spw, "update", GUINT_TO_POINTER (FALSE));
return TRUE;
}
return FALSE;
}
/**
* \brief Creates a new widget for the line stroke style.
*
*/
GtkWidget *
sp_stroke_style_line_widget_new(void)
{
GtkWidget *spw, *f, *t, *hb, *sb, *us, *tb, *ds;
GtkObject *a;
GtkTooltips *tt = gtk_tooltips_new();
spw = sp_widget_new_global(INKSCAPE);
f = gtk_hbox_new (FALSE, 0);
gtk_widget_show(f);
gtk_container_add(GTK_CONTAINER(spw), f);
t = gtk_table_new(3, 6, FALSE);
gtk_widget_show(t);
gtk_container_set_border_width(GTK_CONTAINER(t), 4);
gtk_table_set_row_spacings(GTK_TABLE(t), 4);
gtk_container_add(GTK_CONTAINER(f), t);
gtk_object_set_data(GTK_OBJECT(spw), "stroke", t);
gint i = 0;
/* Stroke width */
spw_label(t, _("Width:"), 0, i);
hb = spw_hbox(t, 3, 1, i);
// TODO: when this is gtkmmified, use an Inkscape::UI::Widget::ScalarUnit instead of the separate
// spinbutton and unit selector for stroke width. In sp_stroke_style_line_update, use
// setHundredPercent to remember the aeraged width corresponding to 100%. Then the
// stroke_width_set_unit will be removed (because ScalarUnit takes care of conversions itself), and
// with it, the two remaining calls of stroke_average_width, allowing us to get rid of that
// function in desktop-style.
a = gtk_adjustment_new(1.0, 0.0, 1000.0, 0.1, 10.0, 10.0);
gtk_object_set_data(GTK_OBJECT(spw), "width", a);
sb = gtk_spin_button_new(GTK_ADJUSTMENT(a), 0.1, 3);
gtk_tooltips_set_tip(tt, sb, _("Stroke width"), NULL);
gtk_widget_show(sb);
sp_dialog_defocus_on_enter(sb);
gtk_box_pack_start(GTK_BOX(hb), sb, FALSE, FALSE, 0);
us = sp_unit_selector_new(SP_UNIT_ABSOLUTE | SP_UNIT_DEVICE);
SPDesktop *desktop = SP_ACTIVE_DESKTOP;
if (desktop)
sp_unit_selector_set_unit (SP_UNIT_SELECTOR(us), sp_desktop_namedview(desktop)->doc_units);
sp_unit_selector_add_unit(SP_UNIT_SELECTOR(us), &sp_unit_get_by_id(SP_UNIT_PERCENT), 0);
g_signal_connect ( G_OBJECT (us), "set_unit", G_CALLBACK (stroke_width_set_unit), spw );
gtk_widget_show(us);
sp_unit_selector_add_adjustment( SP_UNIT_SELECTOR(us), GTK_ADJUSTMENT(a) );
gtk_box_pack_start(GTK_BOX(hb), us, FALSE, FALSE, 0);
gtk_object_set_data(GTK_OBJECT(spw), "units", us);
gtk_signal_connect( GTK_OBJECT(a), "value_changed", GTK_SIGNAL_FUNC(sp_stroke_style_width_changed), spw );
i++;
/* Join type */
// TRANSLATORS: The line join style specifies the shape to be used at the
// corners of paths. It can be "miter", "round" or "bevel".
spw_label(t, _("Join:"), 0, i);
hb = spw_hbox(t, 3, 1, i);
tb = NULL;
tb = sp_stroke_radio_button(tb, INKSCAPE_STOCK_JOIN_MITER,
hb, spw, "join", "miter");
// TRANSLATORS: Miter join: joining lines with a sharp (pointed) corner.
// For an example, draw a triangle with a large stroke width and modify the
// "Join" option (in the Fill and Stroke dialog).
gtk_tooltips_set_tip(tt, tb, _("Miter join"), NULL);
tb = sp_stroke_radio_button(tb, INKSCAPE_STOCK_JOIN_ROUND,
hb, spw, "join", "round");
// TRANSLATORS: Round join: joining lines with a rounded corner.
// For an example, draw a triangle with a large stroke width and modify the
// "Join" option (in the Fill and Stroke dialog).
gtk_tooltips_set_tip(tt, tb, _("Round join"), NULL);
tb = sp_stroke_radio_button(tb, INKSCAPE_STOCK_JOIN_BEVEL,
hb, spw, "join", "bevel");
// TRANSLATORS: Bevel join: joining lines with a blunted (flattened) corner.
// For an example, draw a triangle with a large stroke width and modify the
// "Join" option (in the Fill and Stroke dialog).
gtk_tooltips_set_tip(tt, tb, _("Bevel join"), NULL);
i++;
/* Miterlimit */
// TRANSLATORS: Miter limit: only for "miter join", this limits the length
// of the sharp "spike" when the lines connect at too sharp an angle.
// When two line segments meet at a sharp angle, a miter join results in a
// spike that extends well beyond the connection point. The purpose of the
// miter limit is to cut off such spikes (i.e. convert them into bevels)
// when they become too long.
spw_label(t, _("Miter limit:"), 0, i);
hb = spw_hbox(t, 3, 1, i);
a = gtk_adjustment_new(4.0, 0.0, 100.0, 0.1, 10.0, 10.0);
gtk_object_set_data(GTK_OBJECT(spw), "miterlimit", a);
sb = gtk_spin_button_new(GTK_ADJUSTMENT(a), 0.1, 2);
gtk_tooltips_set_tip(tt, sb, _("Maximum length of the miter (in units of stroke width)"), NULL);
gtk_widget_show(sb);
gtk_object_set_data(GTK_OBJECT(spw), "miterlimit_sb", sb);
sp_dialog_defocus_on_enter(sb);
gtk_box_pack_start(GTK_BOX(hb), sb, FALSE, FALSE, 0);
gtk_signal_connect( GTK_OBJECT(a), "value_changed",
GTK_SIGNAL_FUNC(sp_stroke_style_miterlimit_changed), spw );
i++;
/* Cap type */
// TRANSLATORS: cap type specifies the shape for the ends of lines
spw_label(t, _("Cap:"), 0, i);
hb = spw_hbox(t, 3, 1, i);
tb = NULL;
tb = sp_stroke_radio_button(tb, INKSCAPE_STOCK_CAP_BUTT,
hb, spw, "cap", "butt");
// TRANSLATORS: Butt cap: the line shape does not extend beyond the end point
// of the line; the ends of the line are square
gtk_tooltips_set_tip(tt, tb, _("Butt cap"), NULL);
tb = sp_stroke_radio_button(tb, INKSCAPE_STOCK_CAP_ROUND,
hb, spw, "cap", "round");
// TRANSLATORS: Round cap: the line shape extends beyond the end point of the
// line; the ends of the line are rounded
gtk_tooltips_set_tip(tt, tb, _("Round cap"), NULL);
tb = sp_stroke_radio_button(tb, INKSCAPE_STOCK_CAP_SQUARE,
hb, spw, "cap", "square");
// TRANSLATORS: Square cap: the line shape extends beyond the end point of the
// line; the ends of the line are square
gtk_tooltips_set_tip(tt, tb, _("Square cap"), NULL);
i++;
/* Dash */
spw_label(t, _("Dashes:"), 0, i);
ds = sp_dash_selector_new( inkscape_get_repr( INKSCAPE,
"palette.dashes") );
gtk_widget_show(ds);
gtk_table_attach( GTK_TABLE(t), ds, 1, 4, i, i+1,
(GtkAttachOptions)( GTK_EXPAND | GTK_FILL ),
(GtkAttachOptions)0, 0, 0 );
gtk_object_set_data(GTK_OBJECT(spw), "dash", ds);
gtk_signal_connect( GTK_OBJECT(ds), "changed",
GTK_SIGNAL_FUNC(sp_stroke_style_line_dash_changed),
spw );
i++;
/* Drop down marker selectors*/
// doing this here once, instead of for each preview, to speed things up
SPDocument *sandbox = ink_markers_preview_doc ();
// TRANSLATORS: Path markers are an SVG feature that allows you to attach arbitrary shapes
// (arrowheads, bullets, faces, whatever) to the start, end, or middle nodes of a path.
spw_label(t, _("Start Markers:"), 0, i);
marker_start_menu = ink_marker_menu( spw ,"marker-start", sandbox);
gtk_signal_connect( GTK_OBJECT(marker_start_menu), "changed", GTK_SIGNAL_FUNC(sp_marker_select), spw );
gtk_widget_show(marker_start_menu);
gtk_table_attach( GTK_TABLE(t), marker_start_menu, 1, 4, i, i+1,
(GtkAttachOptions)( GTK_EXPAND | GTK_FILL ),
(GtkAttachOptions)0, 0, 0 );
gtk_object_set_data(GTK_OBJECT(spw), "start_mark_menu", marker_start_menu);
i++;
spw_label(t, _("Mid Markers:"), 0, i);
marker_mid_menu = ink_marker_menu( spw ,"marker-mid", sandbox);
gtk_signal_connect( GTK_OBJECT(marker_mid_menu), "changed", GTK_SIGNAL_FUNC(sp_marker_select), spw );
gtk_widget_show(marker_mid_menu);
gtk_table_attach( GTK_TABLE(t), marker_mid_menu, 1, 4, i, i+1,
(GtkAttachOptions)( GTK_EXPAND | GTK_FILL ),
(GtkAttachOptions)0, 0, 0 );
gtk_object_set_data(GTK_OBJECT(spw), "mid_mark_menu", marker_mid_menu);
i++;
spw_label(t, _("End Markers:"), 0, i);
marker_end_menu = ink_marker_menu( spw ,"marker-end", sandbox);
gtk_signal_connect( GTK_OBJECT(marker_end_menu), "changed", GTK_SIGNAL_FUNC(sp_marker_select), spw );
gtk_widget_show(marker_end_menu);
gtk_table_attach( GTK_TABLE(t), marker_end_menu, 1, 4, i, i+1,
(GtkAttachOptions)( GTK_EXPAND | GTK_FILL ),
(GtkAttachOptions)0, 0, 0 );
gtk_object_set_data(GTK_OBJECT(spw), "end_mark_menu", marker_end_menu);
i++;
gtk_signal_connect( GTK_OBJECT(spw), "construct",
GTK_SIGNAL_FUNC(sp_stroke_style_line_construct),
NULL );
gtk_signal_connect( GTK_OBJECT(spw), "modify_selection",
GTK_SIGNAL_FUNC(sp_stroke_style_line_selection_modified),
NULL );
gtk_signal_connect( GTK_OBJECT(spw), "change_selection",
GTK_SIGNAL_FUNC(sp_stroke_style_line_selection_changed),
NULL );
sp_stroke_style_line_update( SP_WIDGET(spw), desktop ? sp_desktop_selection(desktop) : NULL);
return spw;
}
/**
* Callback for when the stroke style widget is called. It causes
* the stroke line style to be updated.
*/
static void
sp_stroke_style_line_construct(SPWidget *spw, gpointer data)
{
#ifdef SP_SS_VERBOSE
g_print( "Stroke style widget constructed: inkscape %p repr %p\n",
spw->inkscape, spw->repr );
#endif
if (spw->inkscape) {
sp_stroke_style_line_update(spw,
( SP_ACTIVE_DESKTOP
? sp_desktop_selection(SP_ACTIVE_DESKTOP)
: NULL ));
}
}
/**
* Callback for when stroke style widget is modified.
* Triggers update action.
*/
static void
sp_stroke_style_line_selection_modified ( SPWidget *spw,
Inkscape::Selection *selection,
guint flags,
gpointer data )
{
if (flags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_PARENT_MODIFIED_FLAG)) {
sp_stroke_style_line_update (spw, selection);
}
}
/**
* Callback for when stroke style widget is changed.
* Triggers update action.
*/
static void
sp_stroke_style_line_selection_changed ( SPWidget *spw,
Inkscape::Selection *selection,
gpointer data )
{
sp_stroke_style_line_update (spw, selection);
}
/**
* Sets selector widgets' dash style from an SPStyle object.
*/
static void
sp_dash_selector_set_from_style (GtkWidget *dsel, SPStyle *style)
{
if (style->stroke_dash.n_dash > 0) {
double d[64];
int len = MIN(style->stroke_dash.n_dash, 64);
for (int i = 0; i < len; i++) {
if (style->stroke_width.computed != 0)
d[i] = style->stroke_dash.dash[i] / style->stroke_width.computed;
else
d[i] = style->stroke_dash.dash[i]; // is there a better thing to do for stroke_width==0?
}
sp_dash_selector_set_dash(SP_DASH_SELECTOR(dsel), len, d,
style->stroke_width.computed != 0?
style->stroke_dash.offset / style->stroke_width.computed :
style->stroke_dash.offset);
} else {
sp_dash_selector_set_dash(SP_DASH_SELECTOR(dsel), 0, NULL, 0.0);
}
}
/**
* Sets the join type for a line, and updates the stroke style widget's buttons
*/
static void
sp_jointype_set (SPWidget *spw, unsigned const jointype)
{
GtkWidget *tb = NULL;
switch (jointype) {
case SP_STROKE_LINEJOIN_MITER:
tb = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), INKSCAPE_STOCK_JOIN_MITER));
break;
case SP_STROKE_LINEJOIN_ROUND:
tb = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), INKSCAPE_STOCK_JOIN_ROUND));
break;
case SP_STROKE_LINEJOIN_BEVEL:
tb = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), INKSCAPE_STOCK_JOIN_BEVEL));
break;
default:
break;
}
sp_stroke_style_set_join_buttons (spw, tb);
}
/**
* Sets the cap type for a line, and updates the stroke style widget's buttons
*/
static void
sp_captype_set (SPWidget *spw, unsigned const captype)
{
GtkWidget *tb = NULL;
switch (captype) {
case SP_STROKE_LINECAP_BUTT:
tb = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), INKSCAPE_STOCK_CAP_BUTT));
break;
case SP_STROKE_LINECAP_ROUND:
tb = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), INKSCAPE_STOCK_CAP_ROUND));
break;
case SP_STROKE_LINECAP_SQUARE:
tb = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), INKSCAPE_STOCK_CAP_SQUARE));
break;
default:
break;
}
sp_stroke_style_set_cap_buttons (spw, tb);
}
/**
* Callback for when stroke style widget is updated, including markers, cap type,
* join type, etc.
*/
static void
sp_stroke_style_line_update(SPWidget *spw, Inkscape::Selection *sel)
{
if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
return;
}
gtk_object_set_data(GTK_OBJECT(spw), "update", GINT_TO_POINTER(TRUE));
GtkWidget *sset = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), "stroke"));
GtkObject *width = GTK_OBJECT(gtk_object_get_data(GTK_OBJECT(spw), "width"));
GtkObject *ml = GTK_OBJECT(gtk_object_get_data(GTK_OBJECT(spw), "miterlimit"));
GtkWidget *us = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), "units"));
GtkWidget *dsel = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), "dash"));
// create temporary style
SPStyle *query = sp_style_new ();
// query into it
int result_sw = sp_desktop_query_style (SP_ACTIVE_DESKTOP, query, QUERY_STYLE_PROPERTY_STROKEWIDTH);
int result_ml = sp_desktop_query_style (SP_ACTIVE_DESKTOP, query, QUERY_STYLE_PROPERTY_STROKEMITERLIMIT);
int result_cap = sp_desktop_query_style (SP_ACTIVE_DESKTOP, query, QUERY_STYLE_PROPERTY_STROKECAP);
int result_join = sp_desktop_query_style (SP_ACTIVE_DESKTOP, query, QUERY_STYLE_PROPERTY_STROKEJOIN);
if (result_sw == QUERY_STYLE_NOTHING) {
/* No objects stroked, set insensitive */
gtk_widget_set_sensitive(sset, FALSE);
gtk_object_set_data(GTK_OBJECT(spw), "update", GINT_TO_POINTER(FALSE));
return;
} else {
gtk_widget_set_sensitive(sset, TRUE);
SPUnit const *unit = sp_unit_selector_get_unit(SP_UNIT_SELECTOR(us));
if (result_sw == QUERY_STYLE_MULTIPLE_AVERAGED) {
sp_unit_selector_set_unit(SP_UNIT_SELECTOR(us), &sp_unit_get_by_id(SP_UNIT_PERCENT));
} else {
// same width, or only one object; no sense to keep percent, switch to absolute
if (unit->base != SP_UNIT_ABSOLUTE && unit->base != SP_UNIT_DEVICE) {
sp_unit_selector_set_unit(SP_UNIT_SELECTOR(us), sp_desktop_namedview(SP_ACTIVE_DESKTOP)->doc_units);
}
}
unit = sp_unit_selector_get_unit (SP_UNIT_SELECTOR (us));
if (unit->base == SP_UNIT_ABSOLUTE || unit->base == SP_UNIT_DEVICE) {
double avgwidth = sp_pixels_get_units (query->stroke_width.computed, *unit);
gtk_adjustment_set_value(GTK_ADJUSTMENT(width), avgwidth);
} else {
gtk_adjustment_set_value(GTK_ADJUSTMENT(width), 100);
}
}
if (result_ml != QUERY_STYLE_NOTHING)
gtk_adjustment_set_value(GTK_ADJUSTMENT(ml), query->stroke_miterlimit.value); // TODO: reflect averagedness?
if (result_join != QUERY_STYLE_MULTIPLE_DIFFERENT) {
sp_jointype_set (spw, query->stroke_linejoin.value);
} else {
sp_stroke_style_set_join_buttons(spw, NULL);
}
if (result_cap != QUERY_STYLE_MULTIPLE_DIFFERENT) {
sp_captype_set (spw, query->stroke_linecap.value);
} else {
sp_stroke_style_set_cap_buttons(spw, NULL);
}
sp_style_unref(query);
if (!sel || sel->isEmpty())
return;
GSList const *objects = sel->itemList();
SPObject * const object = SP_OBJECT(objects->data);
SPStyle * const style = SP_OBJECT_STYLE(object);
/* Markers */
sp_stroke_style_update_marker_menus(spw, objects); // FIXME: make this desktop query too
/* Dash */
sp_dash_selector_set_from_style (dsel, style); // FIXME: make this desktop query too
gtk_widget_set_sensitive(sset, TRUE);
gtk_object_set_data(GTK_OBJECT(spw), "update",
GINT_TO_POINTER(FALSE));
}
/**
* Sets a line's dash properties in a CSS style object.
*/
static void
sp_stroke_style_set_scaled_dash(SPCSSAttr *css,
int ndash, double *dash, double offset,
double scale)
{
if (ndash > 0) {
Inkscape::CSSOStringStream osarray;
for (int i = 0; i < ndash; i++) {
osarray << dash[i] * scale;
if (i < (ndash - 1)) {
osarray << ",";
}
}
sp_repr_css_set_property(css, "stroke-dasharray", osarray.str().c_str());
Inkscape::CSSOStringStream osoffset;
osoffset << offset * scale;
sp_repr_css_set_property(css, "stroke-dashoffset", osoffset.str().c_str());
} else {
sp_repr_css_set_property(css, "stroke-dasharray", "none");
sp_repr_css_set_property(css, "stroke-dashoffset", NULL);
}
}
/**
* Sets line properties like width, dashes, markers, etc. on all currently selected items.
*/
static void
sp_stroke_style_scale_line(SPWidget *spw)
{
if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
return;
}
gtk_object_set_data(GTK_OBJECT(spw), "update", GINT_TO_POINTER(TRUE));
GtkAdjustment *wadj = GTK_ADJUSTMENT(gtk_object_get_data(GTK_OBJECT(spw), "width"));
SPUnitSelector *us = SP_UNIT_SELECTOR(gtk_object_get_data(GTK_OBJECT(spw), "units"));
SPDashSelector *dsel = SP_DASH_SELECTOR(gtk_object_get_data(GTK_OBJECT(spw), "dash"));
GtkAdjustment *ml = GTK_ADJUSTMENT(gtk_object_get_data(GTK_OBJECT(spw), "miterlimit"));
SPDesktop *desktop = SP_ACTIVE_DESKTOP;
SPDocument *document = sp_desktop_document (desktop);
Inkscape::Selection *selection = sp_desktop_selection (desktop);
GSList const *items = selection->itemList();
/* TODO: Create some standardized method */
SPCSSAttr *css = sp_repr_css_attr_new();
if (items) {
double width_typed = wadj->value;
double const miterlimit = ml->value;
SPUnit const *const unit = sp_unit_selector_get_unit(SP_UNIT_SELECTOR(us));
double *dash, offset;
int ndash;
sp_dash_selector_get_dash(dsel, &ndash, &dash, &offset);
for (GSList const *i = items; i != NULL; i = i->next) {
/* Set stroke width */
double width;
if (unit->base == SP_UNIT_ABSOLUTE || unit->base == SP_UNIT_DEVICE) {
width = sp_units_get_pixels (width_typed, *unit);
} else { // percentage
gdouble old_w = SP_OBJECT_STYLE (i->data)->stroke_width.computed;
width = old_w * width_typed / 100;
}
{
Inkscape::CSSOStringStream os_width;
os_width << width;
sp_repr_css_set_property(css, "stroke-width", os_width.str().c_str());
}
{
Inkscape::CSSOStringStream os_ml;
os_ml << miterlimit;
sp_repr_css_set_property(css, "stroke-miterlimit", os_ml.str().c_str());
}
/* Set dash */
sp_stroke_style_set_scaled_dash(css, ndash, dash, offset, width);
sp_desktop_apply_css_recursive (SP_OBJECT(i->data), css, true);
}
g_free(dash);
if (unit->base != SP_UNIT_ABSOLUTE && unit->base != SP_UNIT_DEVICE) {
// reset to 100 percent
gtk_adjustment_set_value (wadj, 100.0);
}
}
// we have already changed the items, so set style without changing selection
// FIXME: move the above stroke-setting stuff, including percentages, to desktop-style
sp_desktop_set_style (desktop, css, false);
sp_repr_css_attr_unref(css);
sp_document_done(document, SP_VERB_DIALOG_FILL_STROKE,
_("Set stroke style"));
gtk_object_set_data(GTK_OBJECT(spw), "update", GINT_TO_POINTER(FALSE));
}
/**
* Callback for when the stroke style's width changes.
* Causes all line styles to be applied to all selected items.
*/
static void
sp_stroke_style_width_changed(GtkAdjustment *adj, SPWidget *spw)
{
if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
return;
}
sp_stroke_style_scale_line(spw);
}
/**
* Callback for when the stroke style's miterlimit changes.
* Causes all line styles to be applied to all selected items.
*/
static void
sp_stroke_style_miterlimit_changed(GtkAdjustment *adj, SPWidget *spw)
{
if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
return;
}
sp_stroke_style_scale_line(spw);
}
/**
* Callback for when the stroke style's dash changes.
* Causes all line styles to be applied to all selected items.
*/
static void
sp_stroke_style_line_dash_changed(SPDashSelector *dsel, SPWidget *spw)
{
if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
return;
}
sp_stroke_style_scale_line(spw);
}
/**
* \brief This routine handles toggle events for buttons in the stroke style
* dialog.
* When activated, this routine gets the data for the various widgets, and then
* calls the respective routines to update css properties, etc.
*
*/
static void
sp_stroke_style_any_toggled(GtkToggleButton *tb, SPWidget *spw)
{
if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
return;
}
if (gtk_toggle_button_get_active(tb)) {
gchar const *join
= static_cast<gchar const *>(gtk_object_get_data(GTK_OBJECT(tb), "join"));
gchar const *cap
= static_cast<gchar const *>(gtk_object_get_data(GTK_OBJECT(tb), "cap"));
if (join) {
GtkWidget *ml = GTK_WIDGET(g_object_get_data(G_OBJECT(spw), "miterlimit_sb"));
gtk_widget_set_sensitive (ml, !strcmp(join, "miter"));
}
SPDesktop *desktop = SP_ACTIVE_DESKTOP;
/* TODO: Create some standardized method */
SPCSSAttr *css = sp_repr_css_attr_new();
if (join) {
sp_repr_css_set_property(css, "stroke-linejoin", join);
sp_desktop_set_style (desktop, css);
sp_stroke_style_set_join_buttons(spw, GTK_WIDGET(tb));
} else if (cap) {
sp_repr_css_set_property(css, "stroke-linecap", cap);
sp_desktop_set_style (desktop, css);
sp_stroke_style_set_cap_buttons(spw, GTK_WIDGET(tb));
}
sp_repr_css_attr_unref(css);
sp_document_done(sp_desktop_document(desktop), SP_VERB_DIALOG_FILL_STROKE,
_("Set stroke style"));
}
}
/**
* Updates the join style toggle buttons
*/
static void
sp_stroke_style_set_join_buttons(SPWidget *spw, GtkWidget *active)
{
GtkWidget *tb;
tb = GTK_WIDGET(gtk_object_get_data( GTK_OBJECT(spw),
INKSCAPE_STOCK_JOIN_MITER) );
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tb), (active == tb));
GtkWidget *ml = GTK_WIDGET(g_object_get_data(G_OBJECT(spw), "miterlimit_sb"));
gtk_widget_set_sensitive(ml, (active == tb));
tb = GTK_WIDGET(gtk_object_get_data( GTK_OBJECT(spw),
INKSCAPE_STOCK_JOIN_ROUND) );
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tb), (active == tb));
tb = GTK_WIDGET(gtk_object_get_data( GTK_OBJECT(spw),
INKSCAPE_STOCK_JOIN_BEVEL) );
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tb), (active == tb));
}
/**
* Updates the cap style toggle buttons
*/
static void
sp_stroke_style_set_cap_buttons(SPWidget *spw, GtkWidget *active)
{
GtkWidget *tb;
tb = GTK_WIDGET(gtk_object_get_data( GTK_OBJECT(spw),
INKSCAPE_STOCK_CAP_BUTT));
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tb), (active == tb));
tb = GTK_WIDGET(gtk_object_get_data( GTK_OBJECT(spw),
INKSCAPE_STOCK_CAP_ROUND) );
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tb), (active == tb));
tb = GTK_WIDGET(gtk_object_get_data( GTK_OBJECT(spw),
INKSCAPE_STOCK_CAP_SQUARE) );
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tb), (active == tb));
}
/**
* Sets the current marker in the marker menu.
*/
static void
ink_marker_menu_set_current(SPObject *marker, GtkOptionMenu *mnu)
{
gtk_object_set_data(GTK_OBJECT(mnu), "update", GINT_TO_POINTER(TRUE));
GtkMenu *m = GTK_MENU(gtk_option_menu_get_menu(mnu));
if (marker != NULL) {
bool mark_is_stock = false;
if (SP_OBJECT_REPR(marker)->attribute("inkscape:stockid"))
mark_is_stock = true;
gchar *markname;
if (mark_is_stock)
markname = g_strdup(SP_OBJECT_REPR(marker)->attribute("inkscape:stockid"));
else
markname = g_strdup(SP_OBJECT_REPR(marker)->attribute("id"));
int markpos = ink_marker_menu_get_pos(m, markname);
gtk_option_menu_set_history(GTK_OPTION_MENU(mnu), markpos);
g_free (markname);
}
else {
gtk_option_menu_set_history(GTK_OPTION_MENU(mnu), 0);
}
gtk_object_set_data(GTK_OBJECT(mnu), "update", GINT_TO_POINTER(FALSE));
}
/**
* Updates the marker menus to highlight the appropriate marker and scroll to
* that marker.
*/
static void
sp_stroke_style_update_marker_menus( SPWidget *spw,
GSList const *objects)
{
struct { char const *key; int loc; } const keyloc[] = {
{ "start_mark_menu", SP_MARKER_LOC_START },
{ "mid_mark_menu", SP_MARKER_LOC_MID },
{ "end_mark_menu", SP_MARKER_LOC_END }
};
bool all_texts = true;
for (GSList *i = (GSList *) objects; i != NULL; i = i->next) {
if (!SP_IS_TEXT (i->data)) {
all_texts = false;
}
}
for (unsigned i = 0; i < G_N_ELEMENTS(keyloc); ++i) {
GtkOptionMenu *mnu = (GtkOptionMenu *) g_object_get_data(G_OBJECT(spw), keyloc[i].key);
if (all_texts) {
// Per SVG spec, text objects cannot have markers; disable menus if only texts are selected
gtk_widget_set_sensitive (GTK_WIDGET(mnu), FALSE);
} else {
gtk_widget_set_sensitive (GTK_WIDGET(mnu), TRUE);
}
}
// We show markers of the first object in the list only
// FIXME: use the first in the list that has the marker of each type, if any
SPObject *object = SP_OBJECT(objects->data);
for (unsigned i = 0; i < G_N_ELEMENTS(keyloc); ++i) {
// For all three marker types,
// find the corresponding menu
GtkOptionMenu *mnu = (GtkOptionMenu *) g_object_get_data(G_OBJECT(spw), keyloc[i].key);
// Quit if we're in update state
if (gtk_object_get_data(GTK_OBJECT(mnu), "update")) {
return;
}
if (object->style->marker[keyloc[i].loc].value != NULL && !all_texts) {
// If the object has this type of markers,
// Extract the name of the marker that the object uses
SPObject *marker = ink_extract_marker_name(object->style->marker[keyloc[i].loc].value);
// Scroll the menu to that marker
ink_marker_menu_set_current (marker, mnu);
} else {
gtk_option_menu_set_history(GTK_OPTION_MENU(mnu), 0);
}
}
}
/**
* Extract the actual name of the link
* e.g. get mTriangle from url(#mTriangle).
* \return Buffer containing the actual name, allocated from GLib;
* the caller should free the buffer when they no longer need it.
*/
static SPObject*
ink_extract_marker_name(gchar const *n)
{
gchar const *p = n;
while (*p != '\0' && *p != '#') {
p++;
}
if (*p == '\0' || p[1] == '\0') {
return NULL;
}
p++;
int c = 0;
while (p[c] != '\0' && p[c] != ')') {
c++;
}
if (p[c] == '\0') {
return NULL;
}
gchar* b = g_strdup(p);
b[c] = '\0';
SPDesktop *desktop = inkscape_active_desktop();
SPDocument *doc = sp_desktop_document(desktop);
SPObject *marker = doc->getObjectById(b);
return marker;
}
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=c++:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :