1 /**
2 * \brief Fill and Stroke dialog,
3 * based on sp_object_properties_dialog
4 *
5 * Authors:
6 * Bryce W. Harrington <bryce@bryceharrington.org>
7 * Gustav Broberg <broberg@kth.se>
8 *
9 * Copyright (C) 2004--2007 Authors
10 *
11 * Released under GNU GPL. Read the file 'COPYING' for more information.
12 */
14 #ifdef HAVE_CONFIG_H
15 # include <config.h>
16 #endif
18 #include "desktop-handles.h"
19 #include "desktop-style.h"
20 #include "document.h"
21 #include "fill-and-stroke.h"
22 #include "filter-chemistry.h"
23 #include "inkscape.h"
24 #include "inkscape-stock.h"
25 #include "selection.h"
26 #include "style.h"
27 #include "svg/css-ostringstream.h"
28 #include "verbs.h"
29 #include "xml/repr.h"
30 #include "widgets/icon.h"
33 #include "dialogs/fill-style.h"
34 #include "dialogs/stroke-style.h"
36 #include <widgets/paint-selector.h>
38 namespace Inkscape {
39 namespace UI {
40 namespace Dialog {
42 void on_selection_changed(Inkscape::Application *inkscape,
43 Inkscape::Selection *selection,
44 FillAndStroke *dlg)
45 {
46 dlg->selectionChanged(inkscape, selection);
47 }
49 void on_selection_modified(Inkscape::Application *inkscape,
50 Inkscape::Selection *selection,
51 guint flags,
52 FillAndStroke *dlg)
53 {
54 dlg->selectionChanged(inkscape, selection);
55 }
58 FillAndStroke::FillAndStroke()
59 : Dialog ("dialogs.fillstroke", SP_VERB_DIALOG_FILL_STROKE),
60 _page_fill(1, 1, true, true),
61 _page_stroke_paint(1, 1, true, true),
62 _page_stroke_style(1, 1, true, true),
63 _fe_vbox(false, 0),
64 _fe_alignment(1, 1, 1, 1),
65 _opacity_vbox(false, 0),
66 _opacity_label_box(false, 0),
67 _opacity_label(_("Master _opacity, %"), 0.0, 1.0, true),
68 _opacity_adjustment(100.0, 0.0, 100.0, 1.0, 1.0, 0.0),
69 _opacity_hscale(_opacity_adjustment),
70 _opacity_spin_button(_opacity_adjustment, 0.01, 1),
71 _blocked(false)
72 {
73 Gtk::VBox *vbox = get_vbox();
74 vbox->set_spacing(0);
76 vbox->pack_start(_notebook, true, true);
78 _notebook.append_page(_page_fill, _createPageTabLabel(_("Fill"), INKSCAPE_STOCK_PROPERTIES_FILL_PAGE));
79 _notebook.append_page(_page_stroke_paint, _createPageTabLabel(_("Stroke _paint"), INKSCAPE_STOCK_PROPERTIES_STROKE_PAINT_PAGE));
80 _notebook.append_page(_page_stroke_style, _createPageTabLabel(_("Stroke st_yle"), INKSCAPE_STOCK_PROPERTIES_STROKE_PAGE));
82 _layoutPageFill();
83 _layoutPageStrokePaint();
84 _layoutPageStrokeStyle();
86 // Filter Effects
87 vbox->pack_start(_fe_vbox, false, false, 2);
88 _fe_alignment.set_padding(0, 0, 4, 0);
89 _fe_alignment.add(_fe_cb);
90 _fe_vbox.pack_start(_fe_alignment, false, false, 0);
92 _fe_cb.signal_selection_changed().connect(sigc::mem_fun(*this, &Inkscape::UI::Dialog::FillAndStroke::_blendBlurValueChanged));
93 _fe_cb.signal_blend_blur_changed().connect(sigc::mem_fun(*this, &Inkscape::UI::Dialog::FillAndStroke::_blendBlurValueChanged));
95 // Opacity
96 vbox->pack_start(_opacity_vbox, false, false, 2);
97 _opacity_label_box.pack_start(_opacity_label, false, false, 4);
98 _opacity_vbox.pack_start(_opacity_label_box, false, false, 0);
99 _opacity_vbox.pack_start(_opacity_hbox, false, false, 0);
100 _opacity_hbox.pack_start(_opacity_hscale, true, true, 4);
101 _opacity_hbox.pack_start(_opacity_spin_button, false, false, 0);
102 _opacity_hscale.set_draw_value(false);
103 _opacity_adjustment.signal_value_changed().connect(sigc::mem_fun(*this, &Inkscape::UI::Dialog::FillAndStroke::_opacityValueChanged));
105 // these callbacks are only for the blur and master opacity update; the tabs above take care of themselves
106 g_signal_connect ( G_OBJECT (INKSCAPE), "change_selection", G_CALLBACK (on_selection_changed), this );
107 g_signal_connect ( G_OBJECT (INKSCAPE), "change_subselection", G_CALLBACK (on_selection_changed), this );
108 g_signal_connect ( G_OBJECT (INKSCAPE), "modify_selection", G_CALLBACK (on_selection_modified), this );
109 g_signal_connect ( G_OBJECT (INKSCAPE), "activate_desktop", G_CALLBACK (on_selection_changed), this );
111 selectionChanged(INKSCAPE, sp_desktop_selection(SP_ACTIVE_DESKTOP));
113 show_all_children();
114 }
116 FillAndStroke::~FillAndStroke()
117 {
118 }
120 void
121 FillAndStroke::_layoutPageFill()
122 {
123 Gtk::Widget *fs = manage(Glib::wrap(sp_fill_style_widget_new()));
124 _page_fill.table().attach(*fs, 0, 1, 0, 1);
125 }
127 void
128 FillAndStroke::_layoutPageStrokePaint()
129 {
130 Gtk::Widget *ssp = manage(Glib::wrap(sp_stroke_style_paint_widget_new()));
131 _page_stroke_paint.table().attach(*ssp, 0, 1, 0, 1);
132 }
134 void
135 FillAndStroke::_layoutPageStrokeStyle()
136 {
137 Gtk::Widget *ssl = manage(Glib::wrap(sp_stroke_style_line_widget_new()));
138 _page_stroke_style.table().attach(*ssl, 0, 1, 0, 1);
139 }
141 void
142 FillAndStroke::_blendBlurValueChanged()
143 {
144 if (_blocked)
145 return;
146 _blocked = true;
148 //get desktop
149 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
150 if (!desktop) {
151 return;
152 }
154 // FIXME: fix for GTK breakage, see comment in SelectedStyle::on_opacity_changed; here it results in crash 1580903
155 sp_canvas_force_full_redraw_after_interruptions(sp_desktop_canvas(desktop), 0);
157 //get current selection
158 Inkscape::Selection *selection = sp_desktop_selection (desktop);
160 NR::Maybe<NR::Rect> bbox = selection->bounds();
161 if (!bbox) {
162 return;
163 }
164 //get list of selected items
165 GSList const *items = selection->itemList();
166 //get current document
167 SPDocument *document = sp_desktop_document (desktop);
169 double perimeter = bbox->extent(NR::X) + bbox->extent(NR::Y);
171 const Glib::ustring blendmode = _fe_cb.get_blend_mode();
172 double radius = _fe_cb.get_blur_value() * perimeter / 400;
174 SPFilter *filter = _fe_cb.get_selected_filter();
175 const bool remfilter = (blendmode == "normal" && radius == 0) || (blendmode == "filter" && !filter);
177 if(blendmode != "filter" || filter) {
178 //apply created filter to every selected item
179 for (GSList const *i = items; i != NULL; i = i->next) {
180 SPItem * item = SP_ITEM(i->data);
181 SPStyle *style = SP_OBJECT_STYLE(item);
182 g_assert(style != NULL);
184 if(remfilter) {
185 remove_filter (item, false);
186 }
187 else {
188 if(blendmode != "filter")
189 filter = new_filter_simple_from_item(document, item, blendmode.c_str(), radius);
190 sp_style_set_property_url (SP_OBJECT(item), "filter", SP_OBJECT(filter), false);
191 }
193 //request update
194 SP_OBJECT(item)->requestDisplayUpdate(( SP_OBJECT_MODIFIED_FLAG |
195 SP_OBJECT_STYLE_MODIFIED_FLAG ));
196 }
197 }
199 sp_document_maybe_done (sp_desktop_document (SP_ACTIVE_DESKTOP), "fillstroke:blur", SP_VERB_DIALOG_FILL_STROKE, _("Change blur"));
201 // resume interruptibility
202 sp_canvas_end_forced_full_redraws(sp_desktop_canvas(desktop));
204 _blocked = false;
205 }
207 void
208 FillAndStroke::_opacityValueChanged()
209 {
210 if (_blocked)
211 return;
212 _blocked = true;
214 // FIXME: fix for GTK breakage, see comment in SelectedStyle::on_opacity_changed; here it results in crash 1580903
215 // UPDATE: crash fixed in GTK+ 2.10.7 (bug 374378), remove this as soon as it's reasonably common
216 // (though this only fixes the crash, not the multiple change events)
217 sp_canvas_force_full_redraw_after_interruptions(sp_desktop_canvas(SP_ACTIVE_DESKTOP), 0);
219 SPCSSAttr *css = sp_repr_css_attr_new ();
221 Inkscape::CSSOStringStream os;
222 os << CLAMP (_opacity_adjustment.get_value() / 100, 0.0, 1.0);
223 sp_repr_css_set_property (css, "opacity", os.str().c_str());
225 sp_desktop_set_style (SP_ACTIVE_DESKTOP, css);
227 sp_repr_css_attr_unref (css);
229 sp_document_maybe_done (sp_desktop_document (SP_ACTIVE_DESKTOP), "fillstroke:opacity", SP_VERB_DIALOG_FILL_STROKE,
230 _("Change opacity"));
232 // resume interruptibility
233 sp_canvas_end_forced_full_redraws(sp_desktop_canvas(SP_ACTIVE_DESKTOP));
235 _blocked = false;
236 }
238 void
239 FillAndStroke::selectionChanged(Inkscape::Application *inkscape,
240 Inkscape::Selection *selection)
241 {
242 if (_blocked)
243 return;
244 _blocked = true;
246 // create temporary style
247 SPStyle *query = sp_style_new (SP_ACTIVE_DOCUMENT);
248 // query style from desktop into it. This returns a result flag and fills query with the style of subselection, if any, or selection
249 int result = sp_desktop_query_style (SP_ACTIVE_DESKTOP, query, QUERY_STYLE_PROPERTY_MASTEROPACITY);
251 switch (result) {
252 case QUERY_STYLE_NOTHING:
253 _opacity_hbox.set_sensitive(false);
254 // gtk_widget_set_sensitive (opa, FALSE);
255 break;
256 case QUERY_STYLE_SINGLE:
257 case QUERY_STYLE_MULTIPLE_AVERAGED: // TODO: treat this slightly differently
258 case QUERY_STYLE_MULTIPLE_SAME:
259 _opacity_hbox.set_sensitive(true);
260 _opacity_adjustment.set_value(100 * SP_SCALE24_TO_FLOAT(query->opacity.value));
261 break;
262 }
264 //query now for current filter mode and average blurring of selection
265 const int blend_result = sp_desktop_query_style (SP_ACTIVE_DESKTOP, query, QUERY_STYLE_PROPERTY_BLEND);
266 switch(blend_result) {
267 case QUERY_STYLE_NOTHING:
268 _fe_cb.set_sensitive(false);
269 break;
270 case QUERY_STYLE_SINGLE:
271 case QUERY_STYLE_MULTIPLE_SAME:
272 _fe_cb.set_blend_mode(query->filter_blend_mode.value);
273 _fe_cb.set_sensitive(true);
274 break;
275 case QUERY_STYLE_MULTIPLE_DIFFERENT:
276 // TODO: set text
277 _fe_cb.set_sensitive(false);
278 break;
279 }
281 if(blend_result == QUERY_STYLE_SINGLE || blend_result == QUERY_STYLE_MULTIPLE_SAME) {
282 int blur_result = sp_desktop_query_style (SP_ACTIVE_DESKTOP, query, QUERY_STYLE_PROPERTY_BLUR);
283 switch (blur_result) {
284 case QUERY_STYLE_NOTHING: //no blurring
285 _fe_cb.set_blur_sensitive(false);
286 break;
287 case QUERY_STYLE_SINGLE:
288 case QUERY_STYLE_MULTIPLE_AVERAGED:
289 case QUERY_STYLE_MULTIPLE_SAME:
290 NR::Maybe<NR::Rect> bbox = sp_desktop_selection(SP_ACTIVE_DESKTOP)->bounds();
291 if (bbox) {
292 double perimeter = bbox->extent(NR::X) + bbox->extent(NR::Y);
293 _fe_cb.set_blur_sensitive(true);
294 //update blur widget value
295 float radius = query->filter_gaussianBlur_deviation.value;
296 float percent = radius * 400 / perimeter; // so that for a square, 100% == half side
297 _fe_cb.set_blur_value(percent);
298 }
299 break;
300 }
301 }
303 sp_style_unref(query);
305 _blocked = false;
306 }
308 Gtk::HBox&
309 FillAndStroke::_createPageTabLabel(const Glib::ustring& label, const char *label_image)
310 {
311 Gtk::HBox *_tab_label_box = manage(new Gtk::HBox(false, 0));
312 _tab_label_box->pack_start(*Glib::wrap(sp_icon_new(Inkscape::ICON_SIZE_DECORATION,
313 label_image)));
315 Gtk::Label *_tab_label = manage(new Gtk::Label(label, true));
316 _tab_label_box->pack_start(*_tab_label);
317 _tab_label_box->show_all();
319 return *_tab_label_box;
320 }
322 } // namespace Dialog
323 } // namespace UI
324 } // namespace Inkscape
326 /*
327 Local Variables:
328 mode:c++
329 c-file-style:"stroustrup"
330 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
331 indent-tabs-mode:nil
332 fill-column:99
333 End:
334 */
335 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :