1 /** \file
2 * SPIcon: Generic icon widget
3 */
4 /*
5 * Author:
6 * Lauris Kaplinski <lauris@kaplinski.com>
7 * Jon A. Cruz <jon@joncruz.org>
8 *
9 * Copyright (C) 2002 Lauris Kaplinski
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 <cstring>
19 #include <glib/gmem.h>
20 #include <gtk/gtk.h>
21 #include <gtkmm.h>
23 #include "path-prefix.h"
24 #include "preferences.h"
25 #include "inkscape.h"
26 #include "document.h"
27 #include "sp-item.h"
28 #include "display/nr-arena.h"
29 #include "display/nr-arena-item.h"
30 #include "io/sys.h"
32 #include "icon.h"
34 static gboolean icon_prerender_task(gpointer data);
36 static void addPreRender( GtkIconSize lsize, gchar const *name );
38 static void sp_icon_class_init(SPIconClass *klass);
39 static void sp_icon_init(SPIcon *icon);
40 static void sp_icon_dispose(GObject *object);
42 static void sp_icon_reset(SPIcon *icon);
43 static void sp_icon_clear(SPIcon *icon);
45 static void sp_icon_size_request(GtkWidget *widget, GtkRequisition *requisition);
46 static void sp_icon_size_allocate(GtkWidget *widget, GtkAllocation *allocation);
47 static int sp_icon_expose(GtkWidget *widget, GdkEventExpose *event);
49 static void sp_icon_paint(SPIcon *icon, GdkRectangle const *area);
51 static void sp_icon_screen_changed( GtkWidget *widget, GdkScreen *previous_screen );
52 static void sp_icon_style_set( GtkWidget *widget, GtkStyle *previous_style );
53 static void sp_icon_theme_changed( SPIcon *icon );
55 static GdkPixbuf *sp_icon_image_load_pixmap(gchar const *name, unsigned lsize, unsigned psize);
56 static GdkPixbuf *sp_icon_image_load_svg(gchar const *name, GtkIconSize lsize, unsigned psize);
58 static void sp_icon_overlay_pixels( guchar *px, int width, int height, int stride,
59 unsigned r, unsigned g, unsigned b );
61 static void injectCustomSize();
63 static GtkWidgetClass *parent_class;
65 static bool sizeDirty = true;
67 static bool sizeMapDone = false;
68 static GtkIconSize iconSizeLookup[] = {
69 GTK_ICON_SIZE_INVALID,
70 GTK_ICON_SIZE_MENU,
71 GTK_ICON_SIZE_SMALL_TOOLBAR,
72 GTK_ICON_SIZE_LARGE_TOOLBAR,
73 GTK_ICON_SIZE_BUTTON,
74 GTK_ICON_SIZE_DND,
75 GTK_ICON_SIZE_DIALOG,
76 GTK_ICON_SIZE_MENU, // for Inkscape::ICON_SIZE_DECORATION
77 };
79 static std::map<Glib::ustring, Glib::ustring> legacyNames;
81 class IconCacheItem
82 {
83 public:
84 IconCacheItem( GtkIconSize lsize, GdkPixbuf* pb ) :
85 _lsize( lsize ),
86 _pb( pb )
87 {}
88 GtkIconSize _lsize;
89 GdkPixbuf* _pb;
90 };
92 static Glib::RefPtr<Gtk::IconFactory> inkyIcons;
93 static std::map<Glib::ustring, std::vector<IconCacheItem> > iconSetCache;
95 GType
96 sp_icon_get_type()
97 {
98 //TODO: switch to GObject
99 // GtkType and such calls were deprecated a while back with the
100 // introduction of GObject as a separate layer, with GType instead. --JonCruz
102 static GType type = 0;
103 if (!type) {
104 GTypeInfo info = {
105 sizeof(SPIconClass),
106 NULL,
107 NULL,
108 (GClassInitFunc) sp_icon_class_init,
109 NULL,
110 NULL,
111 sizeof(SPIcon),
112 0,
113 (GInstanceInitFunc) sp_icon_init,
114 NULL
115 };
116 type = g_type_register_static(GTK_TYPE_WIDGET, "SPIcon", &info, (GTypeFlags)0);
117 }
118 return type;
119 }
121 static void
122 sp_icon_class_init(SPIconClass *klass)
123 {
124 GObjectClass *object_class;
125 GtkWidgetClass *widget_class;
127 object_class = (GObjectClass *) klass;
128 widget_class = (GtkWidgetClass *) klass;
130 parent_class = (GtkWidgetClass*)g_type_class_peek_parent(klass);
132 object_class->dispose = sp_icon_dispose;
134 widget_class->size_request = sp_icon_size_request;
135 widget_class->size_allocate = sp_icon_size_allocate;
136 widget_class->expose_event = sp_icon_expose;
137 widget_class->screen_changed = sp_icon_screen_changed;
138 widget_class->style_set = sp_icon_style_set;
139 }
142 static void
143 sp_icon_init(SPIcon *icon)
144 {
145 GTK_WIDGET_FLAGS(icon) |= GTK_NO_WINDOW;
146 icon->lsize = Inkscape::ICON_SIZE_BUTTON;
147 icon->psize = 0;
148 icon->name = 0;
149 icon->pb = 0;
150 }
152 static void
153 sp_icon_dispose(GObject *object)
154 {
155 SPIcon *icon = SP_ICON(object);
156 sp_icon_clear(icon);
157 if ( icon->name ) {
158 g_free( icon->name );
159 icon->name = 0;
160 }
162 ((GObjectClass *) (parent_class))->dispose(object);
163 }
165 static void sp_icon_reset( SPIcon *icon ) {
166 icon->psize = 0;
167 sp_icon_clear(icon);
168 }
170 static void sp_icon_clear( SPIcon *icon ) {
171 if (icon->pb) {
172 g_object_unref(G_OBJECT(icon->pb));
173 icon->pb = NULL;
174 }
175 }
177 static void
178 sp_icon_size_request(GtkWidget *widget, GtkRequisition *requisition)
179 {
180 SPIcon const *icon = SP_ICON(widget);
182 int const size = ( icon->psize
183 ? icon->psize
184 : sp_icon_get_phys_size(icon->lsize) );
185 requisition->width = size;
186 requisition->height = size;
187 }
189 static void
190 sp_icon_size_allocate(GtkWidget *widget, GtkAllocation *allocation)
191 {
192 widget->allocation = *allocation;
194 if (GTK_WIDGET_DRAWABLE(widget)) {
195 gtk_widget_queue_draw(widget);
196 }
197 }
199 static int sp_icon_expose(GtkWidget *widget, GdkEventExpose *event)
200 {
201 if ( GTK_WIDGET_DRAWABLE(widget) ) {
202 SPIcon *icon = SP_ICON(widget);
203 if ( !icon->pb ) {
204 sp_icon_fetch_pixbuf( icon );
205 }
207 sp_icon_paint(SP_ICON(widget), &event->area);
208 }
210 return TRUE;
211 }
213 static GdkPixbuf* renderup( gchar const* name, Inkscape::IconSize lsize, unsigned psize );
215 // PUBLIC CALL:
216 void sp_icon_fetch_pixbuf( SPIcon *icon )
217 {
218 if ( icon ) {
219 if ( !icon->pb ) {
220 icon->psize = sp_icon_get_phys_size(icon->lsize);
221 icon->pb = renderup(icon->name, icon->lsize, icon->psize);
222 }
223 }
224 }
226 static GdkPixbuf* renderup( gchar const* name, Inkscape::IconSize lsize, unsigned psize ) {
227 GtkIconTheme *theme = gtk_icon_theme_get_default();
229 GdkPixbuf *pb = 0;
230 if (gtk_icon_theme_has_icon(theme, name)) {
231 pb = gtk_icon_theme_load_icon(theme, name, psize, (GtkIconLookupFlags) 0, NULL);
232 }
233 if (!pb) {
234 pb = sp_icon_image_load_svg( name, Inkscape::getRegisteredIconSize(lsize), psize );
235 if (!pb && (legacyNames.find(name) != legacyNames.end())) {
236 if ( Inkscape::Preferences::get()->getBool("/debug/icons/dumpSvg") ) {
237 g_message("Checking fallback [%s]->[%s]", name, legacyNames[name].c_str());
238 }
239 pb = sp_icon_image_load_svg( legacyNames[name].c_str(), Inkscape::getRegisteredIconSize(lsize), psize );
240 }
242 // if this was loaded from SVG, add it as a builtin icon
243 if (pb) {
244 gtk_icon_theme_add_builtin_icon(name, psize, pb);
245 }
246 }
247 if (!pb) {
248 pb = sp_icon_image_load_pixmap( name, lsize, psize );
249 }
250 if ( !pb ) {
251 // TODO: We should do something more useful if we can't load the image.
252 g_warning ("failed to load icon '%s'", name);
253 }
254 return pb;
255 }
257 static void sp_icon_screen_changed( GtkWidget *widget, GdkScreen *previous_screen )
258 {
259 if ( GTK_WIDGET_CLASS( parent_class )->screen_changed ) {
260 GTK_WIDGET_CLASS( parent_class )->screen_changed( widget, previous_screen );
261 }
262 SPIcon *icon = SP_ICON(widget);
263 sp_icon_theme_changed(icon);
264 }
266 static void sp_icon_style_set( GtkWidget *widget, GtkStyle *previous_style )
267 {
268 if ( GTK_WIDGET_CLASS( parent_class )->style_set ) {
269 GTK_WIDGET_CLASS( parent_class )->style_set( widget, previous_style );
270 }
271 SPIcon *icon = SP_ICON(widget);
272 sp_icon_theme_changed(icon);
273 }
275 static void sp_icon_theme_changed( SPIcon *icon )
276 {
277 //g_message("Got a change bump for this icon");
278 sizeDirty = true;
279 sp_icon_reset(icon);
280 gtk_widget_queue_draw( GTK_WIDGET(icon) );
281 }
284 static void imageMapCB(GtkWidget* widget, gpointer user_data);
285 static void imageMapNamedCB(GtkWidget* widget, gpointer user_data);
286 static void populate_placeholder_icon(gchar const* name, GtkIconSize size);
287 static bool prerender_icon(gchar const *name, GtkIconSize lsize, unsigned psize);
288 static Glib::ustring icon_cache_key(gchar const *name, unsigned lsize, unsigned psize);
289 static GdkPixbuf *get_cached_pixbuf(Glib::ustring const &key);
291 static void setupLegacyNaming() {
292 legacyNames["document-import"] ="file_import";
293 legacyNames["document-export"] ="file_export";
294 legacyNames["document-import-ocal"] ="ocal_import";
295 legacyNames["document-export-ocal"] ="ocal_export";
296 legacyNames["document-metadata"] ="document_metadata";
297 legacyNames["dialog-input-devices"] ="input_devices";
298 legacyNames["edit-duplicate"] ="edit_duplicate";
299 legacyNames["edit-clone"] ="edit_clone";
300 legacyNames["edit-clone-unlink"] ="edit_unlink_clone";
301 legacyNames["edit-select-original"] ="edit_select_original";
302 legacyNames["edit-undo-history"] ="edit_undo_history";
303 legacyNames["edit-paste-in-place"] ="selection_paste_in_place";
304 legacyNames["edit-paste-style"] ="selection_paste_style";
305 legacyNames["selection-make-bitmap-copy"] ="selection_bitmap";
306 legacyNames["edit-select-all"] ="selection_select_all";
307 legacyNames["edit-select-all-layers"] ="selection_select_all_in_all_layers";
308 legacyNames["edit-select-invert"] ="selection_invert";
309 legacyNames["edit-select-none"] ="selection_deselect";
310 legacyNames["dialog-xml-editor"] ="xml_editor";
311 legacyNames["zoom-original"] ="zoom_1_to_1";
312 legacyNames["zoom-half-size"] ="zoom_1_to_2";
313 legacyNames["zoom-double-size"] ="zoom_2_to_1";
314 legacyNames["zoom-fit-selection"] ="zoom_select";
315 legacyNames["zoom-fit-drawing"] ="zoom_draw";
316 legacyNames["zoom-fit-page"] ="zoom_page";
317 legacyNames["zoom-fit-width"] ="zoom_pagewidth";
318 legacyNames["zoom-previous"] ="zoom_previous";
319 legacyNames["zoom-next"] ="zoom_next";
320 legacyNames["zoom-in"] ="zoom_in";
321 legacyNames["zoom-out"] ="zoom_out";
322 legacyNames["show-grid"] ="grid";
323 legacyNames["show-guides"] ="guides";
324 legacyNames["color-management"] ="color_management";
325 legacyNames["show-dialogs"] ="dialog_toggle";
326 legacyNames["dialog-messages"] ="messages";
327 legacyNames["dialog-scripts"] ="scripts";
328 legacyNames["window-previous"] ="window_previous";
329 legacyNames["window-next"] ="window_next";
330 legacyNames["dialog-icon-preview"] ="view_icon_preview";
331 legacyNames["window-new"] ="view_new";
332 legacyNames["view-fullscreen"] ="fullscreen";
333 legacyNames["layer-new"] ="new_layer";
334 legacyNames["layer-rename"] ="rename_layer";
335 legacyNames["layer-previous"] ="switch_to_layer_above";
336 legacyNames["layer-next"] ="switch_to_layer_below";
337 legacyNames["selection-move-to-layer-above"] ="move_selection_above";
338 legacyNames["selection-move-to-layer-below"] ="move_selection_below";
339 legacyNames["layer-raise"] ="raise_layer";
340 legacyNames["layer-lower"] ="lower_layer";
341 legacyNames["layer-top"] ="layer_to_top";
342 legacyNames["layer-bottom"] ="layer_to_bottom";
343 legacyNames["layer-delete"] ="delete_layer";
344 legacyNames["dialog-layers"] ="layers";
345 legacyNames["dialog-fill-and-stroke"] ="fill_and_stroke";
346 legacyNames["dialog-object-properties"] ="dialog_item_properties";
347 legacyNames["object-group"] ="selection_group";
348 legacyNames["object-ungroup"] ="selection_ungroup";
349 legacyNames["selection-raise"] ="selection_up";
350 legacyNames["selection-lower"] ="selection_down";
351 legacyNames["selection-top"] ="selection_top";
352 legacyNames["selection-bottom"] ="selection_bot";
353 legacyNames["object-rotate-left"] ="object_rotate_90_CCW";
354 legacyNames["object-rotate-right"] ="object_rotate_90_CW";
355 legacyNames["object-flip-horizontal"] ="object_flip_hor";
356 legacyNames["object-flip-vertical"] ="object_flip_ver";
357 legacyNames["dialog-transform"] ="object_trans";
358 legacyNames["dialog-align-and-distribute"] ="object_align";
359 legacyNames["dialog-rows-and-columns"] ="grid_arrange";
360 legacyNames["object-to-path"] ="object_tocurve";
361 legacyNames["stroke-to-path"] ="stroke_tocurve";
362 legacyNames["bitmap-trace"] ="selection_trace";
363 legacyNames["path-union"] ="union";
364 legacyNames["path-difference"] ="difference";
365 legacyNames["path-intersection"] ="intersection";
366 legacyNames["path-exclusion"] ="exclusion";
367 legacyNames["path-division"] ="division";
368 legacyNames["path-cut"] ="cut_path";
369 legacyNames["path-combine"] ="selection_combine";
370 legacyNames["path-break-apart"] ="selection_break";
371 legacyNames["path-outset"] ="outset_path";
372 legacyNames["path-inset"] ="inset_path";
373 legacyNames["path-offset-dynamic"] ="dynamic_offset";
374 legacyNames["path-offset-linked"] ="linked_offset";
375 legacyNames["path-simplify"] ="simplify";
376 legacyNames["path-reverse"] ="selection_reverse";
377 legacyNames["dialog-text-and-font"] ="object_font";
378 legacyNames["text-put-on-path"] ="put_on_path";
379 legacyNames["text-remove-from-path"] ="remove_from_path";
380 legacyNames["text-flow-into-frame"] ="flow_into_frame";
381 legacyNames["text-unflow"] ="unflow";
382 legacyNames["text-convert-to-regular"] ="convert_to_text";
383 legacyNames["text-unkern"] ="remove_manual_kerns";
384 legacyNames["help-keyboard-shortcuts"] ="help_keys";
385 legacyNames["help-contents"] ="help_tutorials";
386 legacyNames["inkscape"] ="inkscape_options";
387 legacyNames["dialog-memory"] ="about_memory";
388 legacyNames["tool-pointer"] ="draw_select";
389 legacyNames["tool-node-editor"] ="draw_node";
390 legacyNames["tool-tweak"] ="draw_tweak";
391 legacyNames["zoom"] ="draw_zoom";
392 legacyNames["draw-rectangle"] ="draw_rect";
393 legacyNames["draw-cuboid"] ="draw_3dbox";
394 legacyNames["draw-ellipse"] ="draw_arc";
395 legacyNames["draw-polygon-star"] ="draw_star";
396 legacyNames["draw-spiral"] ="draw_spiral";
397 legacyNames["draw-freehand"] ="draw_freehand";
398 legacyNames["draw-path"] ="draw_pen";
399 legacyNames["draw-calligraphic"] ="draw_calligraphic";
400 legacyNames["draw-eraser"] ="draw_erase";
401 legacyNames["color-fill"] ="draw_paintbucket";
402 legacyNames["draw-text"] ="draw_text";
403 legacyNames["draw-connector"] ="draw_connector";
404 legacyNames["color-gradient"] ="draw_gradient";
405 legacyNames["color-picker"] ="draw_dropper";
406 legacyNames["transform-affect-stroke"] ="transform_stroke";
407 legacyNames["transform-affect-rounded-corners"] ="transform_corners";
408 legacyNames["transform-affect-gradient"] ="transform_gradient";
409 legacyNames["transform-affect-pattern"] ="transform_pattern";
410 legacyNames["node-add"] ="node_insert";
411 legacyNames["node-delete"] ="node_delete";
412 legacyNames["node-join"] ="node_join";
413 legacyNames["node-break"] ="node_break";
414 legacyNames["node-join-segment"] ="node_join_segment";
415 legacyNames["node-delete-segment"] ="node_delete_segment";
416 legacyNames["node-type-cusp"] ="node_cusp";
417 legacyNames["node-type-smooth"] ="node_smooth";
418 legacyNames["node-type-symmetric"] ="node_symmetric";
419 legacyNames["node-type-auto-smooth"] ="node_auto";
420 legacyNames["node-segment-curve"] ="node_curve";
421 legacyNames["node-segment-line"] ="node_line";
422 legacyNames["show-node-handles"] ="nodes_show_handles";
423 legacyNames["path-effect-parameter-next"] ="edit_next_parameter";
424 legacyNames["show-path-outline"] ="nodes_show_helperpath";
425 legacyNames["path-clip-edit"] ="nodeedit-clippath";
426 legacyNames["path-mask-edit"] ="nodeedit-mask";
427 legacyNames["node-type-cusp"] ="node_cusp";
428 legacyNames["object-tweak-push"] ="tweak_move_mode";
429 legacyNames["object-tweak-attract"] ="tweak_move_mode_inout";
430 legacyNames["object-tweak-randomize"] ="tweak_move_mode_jitter";
431 legacyNames["object-tweak-shrink"] ="tweak_scale_mode";
432 legacyNames["object-tweak-rotate"] ="tweak_rotate_mode";
433 legacyNames["object-tweak-duplicate"] ="tweak_moreless_mode";
434 legacyNames["object-tweak-push"] ="tweak_move_mode";
435 legacyNames["path-tweak-push"] ="tweak_push_mode";
436 legacyNames["path-tweak-shrink"] ="tweak_shrink_mode";
437 legacyNames["path-tweak-attract"] ="tweak_attract_mode";
438 legacyNames["path-tweak-roughen"] ="tweak_roughen_mode";
439 legacyNames["object-tweak-paint"] ="tweak_colorpaint_mode";
440 legacyNames["object-tweak-jitter-color"] ="tweak_colorjitter_mode";
441 legacyNames["object-tweak-blur"] ="tweak_blur_mode";
442 legacyNames["rectangle-make-corners-sharp"] ="squared_corner";
443 legacyNames["perspective-parallel"] ="toggle_vp_x";
444 legacyNames["draw-ellipse-whole"] ="reset_circle";
445 legacyNames["draw-ellipse-segment"] ="circle_closed_arc";
446 legacyNames["draw-ellipse-arc"] ="circle_open_arc";
447 legacyNames["draw-polygon"] ="star_flat";
448 legacyNames["draw-star"] ="star_angled";
449 legacyNames["path-mode-bezier"] ="bezier_mode";
450 legacyNames["path-mode-spiro"] ="spiro_splines_mode";
451 legacyNames["path-mode-polyline"] ="polylines_mode";
452 legacyNames["path-mode-polyline-paraxial"] ="paraxial_lines_mode";
453 legacyNames["draw-use-tilt"] ="guse_tilt";
454 legacyNames["draw-use-pressure"] ="guse_pressure";
455 legacyNames["draw-trace-background"] ="trace_background";
456 legacyNames["draw-eraser-delete-objects"] ="delete_object";
457 legacyNames["format-text-direction-vertical"] ="writing_mode_tb";
458 legacyNames["format-text-direction-horizontal"] ="writing_mode_lr";
459 legacyNames["connector-avoid"] ="connector_avoid";
460 legacyNames["connector-ignore"] ="connector_ignore";
461 legacyNames["object-fill"] ="controls_fill";
462 legacyNames["object-stroke"] ="controls_stroke";
463 legacyNames["snap"] ="toggle_snap_global";
464 legacyNames["snap-bounding-box"] ="toggle_snap_bbox";
465 legacyNames["snap-bounding-box-edges"] ="toggle_snap_to_bbox_path";
466 legacyNames["snap-bounding-box-corners"] ="toggle_snap_to_bbox_node";
467 legacyNames["snap-bounding-box-midpoints"] ="toggle_snap_to_bbox_edge_midpoints";
468 legacyNames["snap-bounding-box-center"] ="toggle_snap_to_bbox_midpoints";
469 legacyNames["snap-nodes"] ="toggle_snap_nodes";
470 legacyNames["snap-nodes-path"] ="toggle_snap_to_paths";
471 legacyNames["snap-nodes-cusp"] ="toggle_snap_to_nodes";
472 legacyNames["snap-nodes-smooth"] ="toggle_snap_to_smooth_nodes";
473 legacyNames["snap-nodes-midpoint"] ="toggle_snap_to_midpoints";
474 legacyNames["snap-nodes-intersection"] ="toggle_snap_to_path_intersections";
475 legacyNames["snap-nodes-center"] ="toggle_snap_to_bbox_midpoints-3";
476 legacyNames["snap-nodes-rotation-center"] ="toggle_snap_center";
477 legacyNames["snap-page"] ="toggle_snap_page_border";
478 legacyNames["snap-grid-guide-intersections"] ="toggle_snap_grid_guide_intersections";
479 legacyNames["align-horizontal-right-to-anchor"] ="al_left_out";
480 legacyNames["align-horizontal-left"] ="al_left_in";
481 legacyNames["align-horizontal-center"] ="al_center_hor";
482 legacyNames["align-horizontal-right"] ="al_right_in";
483 legacyNames["align-horizontal-left-to-anchor"] ="al_right_out";
484 legacyNames["align-horizontal-baseline"] ="al_baselines_vert";
485 legacyNames["align-vertical-bottom-to-anchor"] ="al_top_out";
486 legacyNames["align-vertical-top"] ="al_top_in";
487 legacyNames["align-vertical-center"] ="al_center_ver";
488 legacyNames["align-vertical-bottom"] ="al_bottom_in";
489 legacyNames["align-vertical-top-to-anchor"] ="al_bottom_out";
490 legacyNames["align-vertical-baseline"] ="al_baselines_hor";
491 legacyNames["distribute-horizontal-left"] ="distribute_left";
492 legacyNames["distribute-horizontal-center"] ="distribute_hcentre";
493 legacyNames["distribute-horizontal-right"] ="distribute_right";
494 legacyNames["distribute-horizontal-baseline"] ="distribute_baselines_hor";
495 legacyNames["distribute-vertical-bottom"] ="distribute_bottom";
496 legacyNames["distribute-vertical-center"] ="distribute_vcentre";
497 legacyNames["distribute-vertical-top"] ="distribute_top";
498 legacyNames["distribute-vertical-baseline"] ="distribute_baselines_vert";
499 legacyNames["distribute-randomize"] ="distribute_randomize";
500 legacyNames["distribute-unclump"] ="unclump";
501 legacyNames["distribute-graph"] ="graph_layout";
502 legacyNames["distribute-graph-directed"] ="directed_graph";
503 legacyNames["distribute-remove-overlaps"] ="remove_overlaps";
504 legacyNames["align-horizontal-node"] ="node_valign";
505 legacyNames["align-vertical-node"] ="node_halign";
506 legacyNames["distribute-vertical-node"] ="node_vdistribute";
507 legacyNames["distribute-horizontal-node"] ="node_hdistribute";
508 legacyNames["xml-element-new"] ="add_xml_element_node";
509 legacyNames["xml-text-new"] ="add_xml_text_node";
510 legacyNames["xml-node-delete"] ="delete_xml_node";
511 legacyNames["xml-node-duplicate"] ="duplicate_xml_node";
512 legacyNames["xml-attribute-delete"] ="delete_xml_attribute";
513 legacyNames["transform-move-horizontal"] ="arrows_hor";
514 legacyNames["transform-move-vertical"] ="arrows_ver";
515 legacyNames["transform-scale-horizontal"] ="transform_scale_hor";
516 legacyNames["transform-scale-vertical"] ="transform_scale_ver";
517 legacyNames["transform-skew-horizontal"] ="transform_scew_hor";
518 legacyNames["transform-skew-vertical"] ="transform_scew_ver";
519 legacyNames["object-fill"] ="properties_fill";
520 legacyNames["object-stroke"] ="properties_stroke_paint";
521 legacyNames["object-stroke-style"] ="properties_stroke";
522 legacyNames["paint-none"] ="fill_none";
523 legacyNames["paint-solid"] ="fill_solid";
524 legacyNames["paint-gradient-linear"] ="fill_gradient";
525 legacyNames["paint-gradient-radial"] ="fill_radial";
526 legacyNames["paint-pattern"] ="fill_pattern";
527 legacyNames["paint-unknown"] ="fill_unset";
528 legacyNames["fill-rule-even-odd"] ="fillrule_evenodd";
529 legacyNames["fill-rule-nonzero"] ="fillrule_nonzero";
530 legacyNames["stroke-join-miter"] ="join_miter";
531 legacyNames["stroke-join-bevel"] ="join_bevel";
532 legacyNames["stroke-join-round"] ="join_round";
533 legacyNames["stroke-cap-butt"] ="cap_butt";
534 legacyNames["stroke-cap-square"] ="cap_square";
535 legacyNames["stroke-cap-round"] ="cap_round";
536 legacyNames["guides"] ="guide";
537 legacyNames["grid-rectangular"] ="grid_xy";
538 legacyNames["grid-axonometric"] ="grid_axonom";
539 legacyNames["object-visible"] ="visible";
540 legacyNames["object-hidden"] ="hidden";
541 legacyNames["object-unlocked"] ="lock_unlocked";
542 legacyNames["object-locked"] ="width_height_lock";
543 legacyNames["zoom"] ="sticky_zoom";
544 }
546 static GtkWidget *
547 sp_icon_new_full( Inkscape::IconSize lsize, gchar const *name )
548 {
549 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
550 static bool dump = prefs->getBool( "/debug/icons/dumpGtk");
552 GtkWidget *widget = 0;
553 gint trySize = CLAMP( static_cast<gint>(lsize), 0, static_cast<gint>(G_N_ELEMENTS(iconSizeLookup) - 1) );
554 if ( !sizeMapDone ) {
555 injectCustomSize();
556 }
557 GtkIconSize mappedSize = iconSizeLookup[trySize];
559 GtkStockItem stock;
560 gboolean stockFound = gtk_stock_lookup( name, &stock );
562 GtkWidget *img = 0;
563 if ( legacyNames.empty() ) {
564 setupLegacyNaming();
565 }
567 if ( stockFound ) {
568 img = gtk_image_new_from_stock( name, mappedSize );
569 } else {
570 img = gtk_image_new_from_icon_name( name, mappedSize );
571 if ( dump ) {
572 g_message("gtk_image_new_from_icon_name( '%s', %d ) = %p", name, mappedSize, img);
573 GtkImageType thing = gtk_image_get_storage_type(GTK_IMAGE(img));
574 g_message(" Type is %d %s", (int)thing, (thing == GTK_IMAGE_EMPTY ? "Empty" : "ok"));
575 }
576 }
578 if ( img ) {
579 GtkImageType type = gtk_image_get_storage_type( GTK_IMAGE(img) );
580 if ( type == GTK_IMAGE_STOCK ) {
581 if ( !stockFound ) {
582 // It's not showing as a stock ID, so assume it will be present internally
583 populate_placeholder_icon( name, mappedSize );
584 addPreRender( mappedSize, name );
586 // Add a hook to render if set visible before prerender is done.
587 g_signal_connect( G_OBJECT(img), "map", G_CALLBACK(imageMapCB), GINT_TO_POINTER(static_cast<int>(mappedSize)) );
588 if ( dump ) {
589 g_message(" connecting %p for imageMapCB for [%s] %d", img, name, (int)mappedSize);
590 }
591 }
592 widget = GTK_WIDGET(img);
593 img = 0;
594 if ( dump ) {
595 g_message( "loaded gtk '%s' %d (GTK_IMAGE_STOCK) %s on %p", name, mappedSize, (stockFound ? "STOCK" : "local"), widget );
596 }
597 } else if ( type == GTK_IMAGE_ICON_NAME ) {
598 widget = GTK_WIDGET(img);
599 img = 0;
601 // if (!gtk_icon_theme_has_icon(gtk_icon_theme_get_default(), name)) {
602 // // TODO temporary work-around. until background rendering is restored.
603 // int psize = sp_icon_get_phys_size(lsize);
604 // renderup(name, lsize, psize);
605 // }
607 // Add a hook to render if set visible before prerender is done.
608 g_signal_connect( G_OBJECT(widget), "map", G_CALLBACK(imageMapNamedCB), GINT_TO_POINTER(0) );
610 if ( prefs->getBool("/options/iconrender/named_nodelay") ) {
611 int psize = sp_icon_get_phys_size(lsize);
612 prerender_icon(name, mappedSize, psize);
613 } else {
614 addPreRender( mappedSize, name );
615 }
616 } else {
617 if ( dump ) {
618 g_message( "skipped gtk '%s' %d (not GTK_IMAGE_STOCK)", name, lsize );
619 }
620 //g_object_unref( (GObject *)img );
621 img = 0;
622 }
623 }
625 if ( !widget ) {
626 //g_message("Creating an SPIcon instance for %s:%d", name, (int)lsize);
627 SPIcon *icon = (SPIcon *)g_object_new(SP_TYPE_ICON, NULL);
628 icon->lsize = lsize;
629 icon->name = g_strdup(name);
630 icon->psize = sp_icon_get_phys_size(lsize);
632 widget = GTK_WIDGET(icon);
633 }
635 return widget;
636 }
638 GtkWidget *
639 sp_icon_new( Inkscape::IconSize lsize, gchar const *name )
640 {
641 return sp_icon_new_full( lsize, name );
642 }
644 // PUBLIC CALL:
645 Gtk::Widget *sp_icon_get_icon( Glib::ustring const &oid, Inkscape::IconSize size )
646 {
647 Gtk::Widget *result = 0;
648 GtkWidget *widget = sp_icon_new_full( static_cast<Inkscape::IconSize>(Inkscape::getRegisteredIconSize(size)), oid.c_str() );
650 if ( widget ) {
651 if ( GTK_IS_IMAGE(widget) ) {
652 GtkImage *img = GTK_IMAGE(widget);
653 result = Glib::wrap( img );
654 } else {
655 result = Glib::wrap( widget );
656 }
657 }
659 return result;
660 }
662 GtkIconSize
663 sp_icon_get_gtk_size(int size)
664 {
665 static GtkIconSize sizemap[64] = {(GtkIconSize)0};
666 size = CLAMP(size, 4, 63);
667 if (!sizemap[size]) {
668 static int count = 0;
669 char c[64];
670 g_snprintf(c, 64, "InkscapeIcon%d", count++);
671 sizemap[size] = gtk_icon_size_register(c, size, size);
672 }
673 return sizemap[size];
674 }
677 static void injectCustomSize()
678 {
679 // TODO - still need to handle the case of theme changes and resize, especially as we can't re-register a string.
680 if ( !sizeMapDone )
681 {
682 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
683 bool dump = prefs->getBool( "/debug/icons/dumpDefault");
684 gint width = 0;
685 gint height = 0;
686 if ( gtk_icon_size_lookup(GTK_ICON_SIZE_MENU, &width, &height ) ) {
687 gint newWidth = ((width * 3) / 4);
688 gint newHeight = ((height * 3) / 4);
689 GtkIconSize newSizeEnum = gtk_icon_size_register( "inkscape-decoration", newWidth, newHeight );
690 if ( newSizeEnum ) {
691 if ( dump ) {
692 g_message("Registered (%d, %d) <= (%d, %d) as index %d", newWidth, newHeight, width, height, newSizeEnum);
693 }
694 guint index = static_cast<guint>(Inkscape::ICON_SIZE_DECORATION);
695 if ( index < G_N_ELEMENTS(iconSizeLookup) ) {
696 iconSizeLookup[index] = newSizeEnum;
697 } else if ( dump ) {
698 g_message("size lookup array too small to store entry");
699 }
700 }
701 }
702 sizeMapDone = true;
703 }
705 static bool hit = false;
706 if ( !hit ) {
707 hit = true;
708 inkyIcons = Gtk::IconFactory::create();
709 inkyIcons->add_default();
710 }
711 }
713 GtkIconSize Inkscape::getRegisteredIconSize( Inkscape::IconSize size )
714 {
715 GtkIconSize other = GTK_ICON_SIZE_MENU;
716 injectCustomSize();
717 size = CLAMP( size, Inkscape::ICON_SIZE_MENU, Inkscape::ICON_SIZE_DECORATION );
718 if ( size == Inkscape::ICON_SIZE_DECORATION ) {
719 other = gtk_icon_size_from_name("inkscape-decoration");
720 } else {
721 other = static_cast<GtkIconSize>(size);
722 }
724 return other;
725 }
728 // PUBLIC CALL:
729 int sp_icon_get_phys_size(int size)
730 {
731 static bool init = false;
732 static int lastSys[Inkscape::ICON_SIZE_DECORATION + 1];
733 static int vals[Inkscape::ICON_SIZE_DECORATION + 1];
735 size = CLAMP( size, GTK_ICON_SIZE_MENU, Inkscape::ICON_SIZE_DECORATION );
737 if ( !sizeMapDone ) {
738 injectCustomSize();
739 }
741 if ( sizeDirty && init ) {
742 GtkIconSize const gtkSizes[] = {
743 GTK_ICON_SIZE_MENU,
744 GTK_ICON_SIZE_SMALL_TOOLBAR,
745 GTK_ICON_SIZE_LARGE_TOOLBAR,
746 GTK_ICON_SIZE_BUTTON,
747 GTK_ICON_SIZE_DND,
748 GTK_ICON_SIZE_DIALOG,
749 static_cast<guint>(Inkscape::ICON_SIZE_DECORATION) < G_N_ELEMENTS(iconSizeLookup) ?
750 iconSizeLookup[static_cast<int>(Inkscape::ICON_SIZE_DECORATION)] :
751 GTK_ICON_SIZE_MENU
752 };
753 for (unsigned i = 0; i < G_N_ELEMENTS(gtkSizes) && init; ++i) {
754 guint const val_ix = (gtkSizes[i] <= GTK_ICON_SIZE_DIALOG) ? (guint)gtkSizes[i] : (guint)Inkscape::ICON_SIZE_DECORATION;
756 g_assert( val_ix < G_N_ELEMENTS(vals) );
758 gint width = 0;
759 gint height = 0;
760 if ( gtk_icon_size_lookup(gtkSizes[i], &width, &height ) ) {
761 init &= (lastSys[val_ix] == std::max(width, height));
762 }
763 }
764 }
766 if ( !init ) {
767 sizeDirty = false;
768 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
769 bool dump = prefs->getBool("/debug/icons/dumpDefault");
771 if ( dump ) {
772 g_message( "Default icon sizes:" );
773 }
774 memset( vals, 0, sizeof(vals) );
775 memset( lastSys, 0, sizeof(lastSys) );
776 GtkIconSize const gtkSizes[] = {
777 GTK_ICON_SIZE_MENU,
778 GTK_ICON_SIZE_SMALL_TOOLBAR,
779 GTK_ICON_SIZE_LARGE_TOOLBAR,
780 GTK_ICON_SIZE_BUTTON,
781 GTK_ICON_SIZE_DND,
782 GTK_ICON_SIZE_DIALOG,
783 static_cast<guint>(Inkscape::ICON_SIZE_DECORATION) < G_N_ELEMENTS(iconSizeLookup) ?
784 iconSizeLookup[static_cast<int>(Inkscape::ICON_SIZE_DECORATION)] :
785 GTK_ICON_SIZE_MENU
786 };
787 gchar const *const names[] = {
788 "GTK_ICON_SIZE_MENU",
789 "GTK_ICON_SIZE_SMALL_TOOLBAR",
790 "GTK_ICON_SIZE_LARGE_TOOLBAR",
791 "GTK_ICON_SIZE_BUTTON",
792 "GTK_ICON_SIZE_DND",
793 "GTK_ICON_SIZE_DIALOG",
794 "inkscape-decoration"
795 };
797 GtkWidget *icon = (GtkWidget *)g_object_new(SP_TYPE_ICON, NULL);
799 for (unsigned i = 0; i < G_N_ELEMENTS(gtkSizes); ++i) {
800 guint const val_ix = (gtkSizes[i] <= GTK_ICON_SIZE_DIALOG) ? (guint)gtkSizes[i] : (guint)Inkscape::ICON_SIZE_DECORATION;
802 g_assert( val_ix < G_N_ELEMENTS(vals) );
804 gint width = 0;
805 gint height = 0;
806 bool used = false;
807 if ( gtk_icon_size_lookup(gtkSizes[i], &width, &height ) ) {
808 vals[val_ix] = std::max(width, height);
809 lastSys[val_ix] = vals[val_ix];
810 used = true;
811 }
812 if (dump) {
813 g_message(" =-- %u size:%d %c(%d, %d) '%s'",
814 i, gtkSizes[i],
815 ( used ? ' ' : 'X' ), width, height, names[i]);
816 }
817 gchar const *id = GTK_STOCK_OPEN;
818 GdkPixbuf *pb = gtk_widget_render_icon( icon, id, gtkSizes[i], NULL);
819 if (pb) {
820 width = gdk_pixbuf_get_width(pb);
821 height = gdk_pixbuf_get_height(pb);
822 int newSize = std::max( width, height );
823 // TODO perhaps check a few more stock icons to get a range on sizes.
824 if ( newSize > 0 ) {
825 vals[val_ix] = newSize;
826 }
827 if (dump) {
828 g_message(" %u size:%d (%d, %d)", i, gtkSizes[i], width, height);
829 }
831 g_object_unref(G_OBJECT(pb));
832 }
833 }
834 //g_object_unref(icon);
835 init = true;
836 }
838 // Fixup workaround
839 if ((size == GTK_ICON_SIZE_MENU) || (size == GTK_ICON_SIZE_SMALL_TOOLBAR) || (size == GTK_ICON_SIZE_LARGE_TOOLBAR)) {
840 gint width = 0;
841 gint height = 0;
842 if ( gtk_icon_size_lookup( static_cast<GtkIconSize>(size), &width, &height ) ) {
843 vals[size] = std::max( width, height );
844 }
845 }
847 return vals[size];
848 }
850 static void sp_icon_paint(SPIcon *icon, GdkRectangle const */*area*/)
851 {
852 GtkWidget &widget = *GTK_WIDGET(icon);
853 GdkPixbuf *image = icon->pb;
854 bool unref_image = false;
856 /* copied from the expose function of GtkImage */
857 if (GTK_WIDGET_STATE (icon) != GTK_STATE_NORMAL && image) {
858 GtkIconSource *source = gtk_icon_source_new();
859 gtk_icon_source_set_pixbuf(source, icon->pb);
860 gtk_icon_source_set_size(source, GTK_ICON_SIZE_SMALL_TOOLBAR); // note: this is boilerplate and not used
861 gtk_icon_source_set_size_wildcarded(source, FALSE);
862 image = gtk_style_render_icon (widget.style, source, gtk_widget_get_direction(&widget),
863 (GtkStateType) GTK_WIDGET_STATE(&widget), (GtkIconSize)-1, &widget, "gtk-image");
864 gtk_icon_source_free(source);
865 unref_image = true;
866 }
868 if (image) {
869 int x = floor(widget.allocation.x + ((widget.allocation.width - widget.requisition.width) * 0.5));
870 int y = floor(widget.allocation.y + ((widget.allocation.height - widget.requisition.height) * 0.5));
871 int width = gdk_pixbuf_get_width(image);
872 int height = gdk_pixbuf_get_height(image);
873 // Limit drawing to when we actually have something. Avoids some crashes.
874 if ( (width > 0) && (height > 0) ) {
875 gdk_draw_pixbuf(GDK_DRAWABLE(widget.window), widget.style->black_gc, image,
876 0, 0, x, y, width, height,
877 GDK_RGB_DITHER_NORMAL, x, y);
878 }
879 }
881 if (unref_image) {
882 g_object_unref(G_OBJECT(image));
883 }
884 }
886 GdkPixbuf *sp_icon_image_load_pixmap(gchar const *name, unsigned /*lsize*/, unsigned psize)
887 {
888 gchar *path = (gchar *) g_strdup_printf("%s/%s.png", INKSCAPE_PIXMAPDIR, name);
889 // TODO: bulia, please look over
890 gsize bytesRead = 0;
891 gsize bytesWritten = 0;
892 GError *error = NULL;
893 gchar *localFilename = g_filename_from_utf8( path,
894 -1,
895 &bytesRead,
896 &bytesWritten,
897 &error);
898 GdkPixbuf *pb = gdk_pixbuf_new_from_file(localFilename, NULL);
899 g_free(localFilename);
900 g_free(path);
901 if (!pb) {
902 path = (gchar *) g_strdup_printf("%s/%s.xpm", INKSCAPE_PIXMAPDIR, name);
903 // TODO: bulia, please look over
904 gsize bytesRead = 0;
905 gsize bytesWritten = 0;
906 GError *error = NULL;
907 gchar *localFilename = g_filename_from_utf8( path,
908 -1,
909 &bytesRead,
910 &bytesWritten,
911 &error);
912 pb = gdk_pixbuf_new_from_file(localFilename, NULL);
913 g_free(localFilename);
914 g_free(path);
915 }
917 if (pb) {
918 if (!gdk_pixbuf_get_has_alpha(pb)) {
919 gdk_pixbuf_add_alpha(pb, FALSE, 0, 0, 0);
920 }
922 if ( ( static_cast<unsigned>(gdk_pixbuf_get_width(pb)) != psize )
923 || ( static_cast<unsigned>(gdk_pixbuf_get_height(pb)) != psize ) ) {
924 GdkPixbuf *spb = gdk_pixbuf_scale_simple(pb, psize, psize, GDK_INTERP_HYPER);
925 g_object_unref(G_OBJECT(pb));
926 pb = spb;
927 }
928 }
930 return pb;
931 }
933 // takes doc, root, icon, and icon name to produce pixels
934 extern "C" guchar *
935 sp_icon_doc_icon( SPDocument *doc, NRArenaItem *root,
936 gchar const *name, unsigned psize )
937 {
938 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
939 bool const dump = prefs->getBool("/debug/icons/dumpSvg");
940 guchar *px = NULL;
942 if (doc) {
943 SPObject *object = doc->getObjectById(name);
944 if (object && SP_IS_ITEM(object)) {
945 /* Find bbox in document */
946 Geom::Matrix const i2doc(sp_item_i2doc_affine(SP_ITEM(object)));
947 Geom::OptRect dbox = SP_ITEM(object)->getBounds(i2doc);
949 if ( SP_OBJECT_PARENT(object) == NULL )
950 {
951 dbox = Geom::Rect(Geom::Point(0, 0),
952 Geom::Point(sp_document_width(doc), sp_document_height(doc)));
953 }
955 /* This is in document coordinates, i.e. pixels */
956 if ( dbox ) {
957 NRGC gc(NULL);
958 /* Update to renderable state */
959 double sf = 1.0;
960 nr_arena_item_set_transform(root, (Geom::Matrix)Geom::Scale(sf, sf));
961 gc.transform.setIdentity();
962 nr_arena_item_invoke_update( root, NULL, &gc,
963 NR_ARENA_ITEM_STATE_ALL,
964 NR_ARENA_ITEM_STATE_NONE );
965 /* Item integer bbox in points */
966 NRRectL ibox;
967 ibox.x0 = (int) floor(sf * dbox->min()[Geom::X] + 0.5);
968 ibox.y0 = (int) floor(sf * dbox->min()[Geom::Y] + 0.5);
969 ibox.x1 = (int) floor(sf * dbox->max()[Geom::X] + 0.5);
970 ibox.y1 = (int) floor(sf * dbox->max()[Geom::Y] + 0.5);
972 if ( dump ) {
973 g_message( " box --'%s' (%f,%f)-(%f,%f)", name, (double)ibox.x0, (double)ibox.y0, (double)ibox.x1, (double)ibox.y1 );
974 }
976 /* Find button visible area */
977 int width = ibox.x1 - ibox.x0;
978 int height = ibox.y1 - ibox.y0;
980 if ( dump ) {
981 g_message( " vis --'%s' (%d,%d)", name, width, height );
982 }
984 {
985 int block = std::max(width, height);
986 if (block != static_cast<int>(psize) ) {
987 if ( dump ) {
988 g_message(" resizing" );
989 }
990 sf = (double)psize / (double)block;
992 nr_arena_item_set_transform(root, (Geom::Matrix)Geom::Scale(sf, sf));
993 gc.transform.setIdentity();
994 nr_arena_item_invoke_update( root, NULL, &gc,
995 NR_ARENA_ITEM_STATE_ALL,
996 NR_ARENA_ITEM_STATE_NONE );
997 /* Item integer bbox in points */
998 ibox.x0 = (int) floor(sf * dbox->min()[Geom::X] + 0.5);
999 ibox.y0 = (int) floor(sf * dbox->min()[Geom::Y] + 0.5);
1000 ibox.x1 = (int) floor(sf * dbox->max()[Geom::X] + 0.5);
1001 ibox.y1 = (int) floor(sf * dbox->max()[Geom::Y] + 0.5);
1003 if ( dump ) {
1004 g_message( " box2 --'%s' (%f,%f)-(%f,%f)", name, (double)ibox.x0, (double)ibox.y0, (double)ibox.x1, (double)ibox.y1 );
1005 }
1007 /* Find button visible area */
1008 width = ibox.x1 - ibox.x0;
1009 height = ibox.y1 - ibox.y0;
1010 if ( dump ) {
1011 g_message( " vis2 --'%s' (%d,%d)", name, width, height );
1012 }
1013 }
1014 }
1016 int dx, dy;
1017 //dx = (psize - width) / 2;
1018 //dy = (psize - height) / 2;
1019 dx=dy=psize;
1020 dx=(dx-width)/2; // watch out for psize, since 'unsigned'-'signed' can cause problems if the result is negative
1021 dy=(dy-height)/2;
1022 NRRectL area;
1023 area.x0 = ibox.x0 - dx;
1024 area.y0 = ibox.y0 - dy;
1025 area.x1 = area.x0 + psize;
1026 area.y1 = area.y0 + psize;
1027 /* Actual renderable area */
1028 NRRectL ua;
1029 ua.x0 = MAX(ibox.x0, area.x0);
1030 ua.y0 = MAX(ibox.y0, area.y0);
1031 ua.x1 = MIN(ibox.x1, area.x1);
1032 ua.y1 = MIN(ibox.y1, area.y1);
1034 if ( dump ) {
1035 g_message( " area --'%s' (%f,%f)-(%f,%f)", name, (double)area.x0, (double)area.y0, (double)area.x1, (double)area.y1 );
1036 g_message( " ua --'%s' (%f,%f)-(%f,%f)", name, (double)ua.x0, (double)ua.y0, (double)ua.x1, (double)ua.y1 );
1037 }
1038 /* Set up pixblock */
1039 px = g_new(guchar, 4 * psize * psize);
1040 memset(px, 0x00, 4 * psize * psize);
1041 /* Render */
1042 NRPixBlock B;
1043 nr_pixblock_setup_extern( &B, NR_PIXBLOCK_MODE_R8G8B8A8N,
1044 ua.x0, ua.y0, ua.x1, ua.y1,
1045 px + 4 * psize * (ua.y0 - area.y0) +
1046 4 * (ua.x0 - area.x0),
1047 4 * psize, FALSE, FALSE );
1048 nr_arena_item_invoke_render(NULL, root, &ua, &B,
1049 NR_ARENA_ITEM_RENDER_NO_CACHE );
1050 nr_pixblock_release(&B);
1052 bool useOverlay = prefs->getBool("/debug/icons/overlaySvg");
1053 if ( useOverlay ) {
1054 sp_icon_overlay_pixels( px, psize, psize, 4 * psize, 0x00, 0x00, 0xff );
1055 }
1056 }
1057 }
1058 }
1060 return px;
1061 } // end of sp_icon_doc_icon()
1065 struct svg_doc_cache_t
1066 {
1067 SPDocument *doc;
1068 NRArenaItem *root;
1069 };
1071 static std::map<Glib::ustring, svg_doc_cache_t *> doc_cache;
1072 static std::map<Glib::ustring, GdkPixbuf *> pb_cache;
1074 Glib::ustring icon_cache_key(gchar const *name,
1075 unsigned lsize, unsigned psize)
1076 {
1077 Glib::ustring key=name;
1078 key += ":";
1079 key += lsize;
1080 key += ":";
1081 key += psize;
1082 return key;
1083 }
1085 GdkPixbuf *get_cached_pixbuf(Glib::ustring const &key) {
1086 std::map<Glib::ustring, GdkPixbuf *>::iterator found = pb_cache.find(key);
1087 if ( found != pb_cache.end() ) {
1088 return found->second;
1089 }
1090 return NULL;
1091 }
1093 static std::list<gchar*> &icons_svg_paths()
1094 {
1095 static std::list<gchar *> sources;
1096 static bool initialized = false;
1097 if (!initialized) {
1098 // Fall back from user prefs dir into system locations.
1099 gchar *userdir = profile_path("icons");
1100 sources.push_back(g_build_filename(userdir,"icons.svg", NULL));
1101 sources.push_back(g_build_filename(INKSCAPE_PIXMAPDIR, "icons.svg", NULL));
1102 g_free(userdir);
1103 initialized = true;
1104 }
1105 return sources;
1106 }
1108 // this function renders icons from icons.svg and returns the pixels.
1109 static guchar *load_svg_pixels(gchar const *name,
1110 unsigned /*lsize*/, unsigned psize)
1111 {
1112 SPDocument *doc = NULL;
1113 NRArenaItem *root = NULL;
1114 svg_doc_cache_t *info = NULL;
1116 std::list<gchar *> &sources = icons_svg_paths();
1118 // Try each document in turn until we successfully load the icon from one
1119 guchar *px=NULL;
1120 for (std::list<gchar*>::iterator i = sources.begin(); i != sources.end() && !px; ++i) {
1121 gchar *doc_filename = *i;
1123 // Did we already load this doc?
1124 Glib::ustring key(doc_filename);
1125 info = 0;
1126 {
1127 std::map<Glib::ustring, svg_doc_cache_t *>::iterator i = doc_cache.find(key);
1128 if ( i != doc_cache.end() ) {
1129 info = i->second;
1130 }
1131 }
1133 /* Try to load from document. */
1134 if (!info &&
1135 Inkscape::IO::file_test( doc_filename, G_FILE_TEST_IS_REGULAR ) &&
1136 (doc = sp_document_new( doc_filename, FALSE )) ) {
1138 //g_message("Loaded icon file %s", doc_filename);
1139 // prep the document
1140 sp_document_ensure_up_to_date(doc);
1141 /* Create new arena */
1142 NRArena *arena = NRArena::create();
1143 /* Create ArenaItem and set transform */
1144 unsigned visionkey = sp_item_display_key_new(1);
1145 /* fixme: Memory manage root if needed (Lauris) */
1146 root = sp_item_invoke_show( SP_ITEM(SP_DOCUMENT_ROOT(doc)),
1147 arena, visionkey, SP_ITEM_SHOW_DISPLAY );
1149 // store into the cache
1150 info = new svg_doc_cache_t;
1151 g_assert(info);
1153 info->doc=doc;
1154 info->root=root;
1155 doc_cache[key]=info;
1156 }
1157 if (info) {
1158 doc=info->doc;
1159 root=info->root;
1160 }
1162 // move on to the next document if we couldn't get anything
1163 if (!info && !doc) {
1164 continue;
1165 }
1167 px = sp_icon_doc_icon( doc, root, name, psize );
1168 // if (px) {
1169 // g_message("Found icon %s in %s", name, doc_filename);
1170 // }
1171 }
1173 // if (!px) {
1174 // g_message("Not found icon %s", name);
1175 // }
1176 return px;
1177 }
1179 static void populate_placeholder_icon(gchar const* name, GtkIconSize size)
1180 {
1181 if ( iconSetCache.find(name) == iconSetCache.end() ) {
1182 // only add a placeholder if nothing is already set
1183 Gtk::IconSet icnset;
1184 Gtk::IconSource src;
1185 src.set_icon_name( GTK_STOCK_MISSING_IMAGE );
1186 src.set_size( Gtk::IconSize(size) );
1187 icnset.add_source(src);
1188 inkyIcons->add(Gtk::StockID(name), icnset);
1189 }
1190 }
1192 static void addToIconSet(GdkPixbuf* pb, gchar const* name, GtkIconSize lsize, unsigned psize) {
1193 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
1194 static bool dump = prefs->getBool("/debug/icons/dumpGtk");
1195 GtkStockItem stock;
1196 gboolean stockFound = gtk_stock_lookup( name, &stock );
1197 if ( !stockFound ) {
1198 Gtk::IconTheme::add_builtin_icon( name, psize, Glib::wrap(pb) );
1199 if (dump) {
1200 g_message(" set in a builtin for %s:%d:%d", name, lsize, psize);
1201 }
1202 }
1204 for ( std::vector<IconCacheItem>::iterator it = iconSetCache[name].begin(); it != iconSetCache[name].end(); ++it ) {
1205 if ( it->_lsize == lsize ) {
1206 if (dump) {
1207 g_message(" erasing %s:%d %p", name, it->_lsize, it->_pb);
1208 }
1209 iconSetCache[name].erase(it);
1210 break;
1211 }
1212 }
1213 iconSetCache[name].push_back(IconCacheItem(lsize, pb));
1215 Gtk::IconSet icnset;
1216 for ( std::vector<IconCacheItem>::iterator it = iconSetCache[name].begin(); it != iconSetCache[name].end(); ++it ) {
1217 Gtk::IconSource src;
1218 g_object_ref( G_OBJECT(it->_pb) );
1219 src.set_pixbuf( Glib::wrap(it->_pb) );
1220 src.set_size( Gtk::IconSize(it->_lsize) );
1221 src.set_size_wildcarded( (it->_lsize != 1) || (iconSetCache[name].size() == 1) );
1222 src.set_state_wildcarded( true );
1223 icnset.add_source(src);
1224 }
1225 inkyIcons->add(Gtk::StockID(name), icnset);
1226 }
1228 // returns true if icon needed preloading, false if nothing was done
1229 bool prerender_icon(gchar const *name, GtkIconSize lsize, unsigned psize)
1230 {
1231 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
1232 static bool dump = prefs->getBool("/debug/icons/dumpGtk");
1234 Glib::ustring key = icon_cache_key(name, lsize, psize);
1235 GdkPixbuf *pb = get_cached_pixbuf(key);
1236 if (pb) {
1237 return false;
1238 } else {
1239 GtkIconTheme* theme = gtk_icon_theme_get_default();
1240 if ( gtk_icon_theme_has_icon(theme, name) ) {
1241 gint *sizeArray = gtk_icon_theme_get_icon_sizes( theme, name );
1242 for (gint* cur = sizeArray; *cur; cur++) {
1243 if (static_cast<gint>(psize) == *cur) {
1244 pb = gtk_icon_theme_load_icon( theme, name, psize,
1245 (GtkIconLookupFlags) 0, NULL );
1246 break;
1247 }
1248 }
1249 g_free(sizeArray);
1250 sizeArray = 0;
1251 }
1252 if (!pb) {
1253 if (dump) {
1254 g_message("prerender_icon [%s] %d:%d", name, lsize, psize);
1255 }
1256 guchar* px = load_svg_pixels(name, lsize, psize);
1257 if ( !px ) {
1258 // check for a fallback name
1259 if ( legacyNames.find(name) != legacyNames.end() ) {
1260 if ( dump ) {
1261 g_message("load_svg_pixels([%s]=%s, %d, %d)", name, legacyNames[name].c_str(), lsize, psize);
1262 }
1263 px = load_svg_pixels(legacyNames[name].c_str(), lsize, psize);
1264 }
1265 }
1266 if (px) {
1267 pb = gdk_pixbuf_new_from_data(px, GDK_COLORSPACE_RGB, TRUE, 8,
1268 psize, psize, psize * 4,
1269 (GdkPixbufDestroyNotify)g_free, NULL);
1270 } else if (dump) {
1271 g_message("XXXXXXXXXXXXXXXXXXXXXXXXXXXXX error!!! pixels not found for '%s'", name);
1272 }
1273 }
1274 else if (dump) {
1275 g_message("prerender_icon [%s] %d NOT!!!!!!", name, psize);
1276 }
1278 if (pb) {
1279 pb_cache[key] = pb;
1280 addToIconSet(pb, name, lsize, psize);
1281 }
1282 return true;
1283 }
1284 }
1286 static GdkPixbuf *sp_icon_image_load_svg(gchar const *name, GtkIconSize lsize, unsigned psize)
1287 {
1288 Glib::ustring key = icon_cache_key(name, lsize, psize);
1290 // did we already load this icon at this scale/size?
1291 GdkPixbuf* pb = get_cached_pixbuf(key);
1292 if (!pb) {
1293 guchar *px = load_svg_pixels(name, lsize, psize);
1294 if (px) {
1295 pb = gdk_pixbuf_new_from_data(px, GDK_COLORSPACE_RGB, TRUE, 8,
1296 psize, psize, psize * 4,
1297 (GdkPixbufDestroyNotify)g_free, NULL);
1298 pb_cache[key] = pb;
1299 addToIconSet(pb, name, lsize, psize);
1300 }
1301 }
1303 if ( pb ) {
1304 // increase refcount since we're handing out ownership
1305 g_object_ref(G_OBJECT(pb));
1306 }
1307 return pb;
1308 }
1310 void sp_icon_overlay_pixels(guchar *px, int width, int height, int stride,
1311 unsigned r, unsigned g, unsigned b)
1312 {
1313 int bytesPerPixel = 4;
1314 int spacing = 4;
1315 for ( int y = 0; y < height; y += spacing ) {
1316 guchar *ptr = px + y * stride;
1317 for ( int x = 0; x < width; x += spacing ) {
1318 *(ptr++) = r;
1319 *(ptr++) = g;
1320 *(ptr++) = b;
1321 *(ptr++) = 0xff;
1323 ptr += bytesPerPixel * (spacing - 1);
1324 }
1325 }
1327 if ( width > 1 && height > 1 ) {
1328 // point at the last pixel
1329 guchar *ptr = px + ((height-1) * stride) + ((width - 1) * bytesPerPixel);
1331 if ( width > 2 ) {
1332 px[4] = r;
1333 px[5] = g;
1334 px[6] = b;
1335 px[7] = 0xff;
1337 ptr[-12] = r;
1338 ptr[-11] = g;
1339 ptr[-10] = b;
1340 ptr[-9] = 0xff;
1341 }
1343 ptr[-4] = r;
1344 ptr[-3] = g;
1345 ptr[-2] = b;
1346 ptr[-1] = 0xff;
1348 px[0 + stride] = r;
1349 px[1 + stride] = g;
1350 px[2 + stride] = b;
1351 px[3 + stride] = 0xff;
1353 ptr[0 - stride] = r;
1354 ptr[1 - stride] = g;
1355 ptr[2 - stride] = b;
1356 ptr[3 - stride] = 0xff;
1358 if ( height > 2 ) {
1359 ptr[0 - stride * 3] = r;
1360 ptr[1 - stride * 3] = g;
1361 ptr[2 - stride * 3] = b;
1362 ptr[3 - stride * 3] = 0xff;
1363 }
1364 }
1365 }
1367 class preRenderItem
1368 {
1369 public:
1370 preRenderItem( GtkIconSize lsize, gchar const *name ) :
1371 _lsize( lsize ),
1372 _name( name )
1373 {}
1374 GtkIconSize _lsize;
1375 Glib::ustring _name;
1376 };
1379 static std::vector<preRenderItem> pendingRenders;
1380 static bool callbackHooked = false;
1382 static void addPreRender( GtkIconSize lsize, gchar const *name )
1383 {
1384 if ( !callbackHooked )
1385 {
1386 callbackHooked = true;
1387 g_idle_add_full( G_PRIORITY_LOW, &icon_prerender_task, NULL, NULL );
1388 }
1390 pendingRenders.push_back(preRenderItem(lsize, name));
1391 }
1393 gboolean icon_prerender_task(gpointer /*data*/) {
1394 if (!pendingRenders.empty()) {
1395 bool workDone = false;
1396 do {
1397 preRenderItem single = pendingRenders.front();
1398 pendingRenders.erase(pendingRenders.begin());
1399 int psize = sp_icon_get_phys_size(single._lsize);
1400 workDone = prerender_icon(single._name.c_str(), single._lsize, psize);
1401 } while (!pendingRenders.empty() && !workDone);
1402 }
1404 if (!pendingRenders.empty()) {
1405 return TRUE;
1406 } else {
1407 callbackHooked = false;
1408 return FALSE;
1409 }
1410 }
1413 void imageMapCB(GtkWidget* widget, gpointer user_data) {
1414 gchar* id = 0;
1415 GtkIconSize size = GTK_ICON_SIZE_INVALID;
1416 gtk_image_get_stock(GTK_IMAGE(widget), &id, &size);
1417 GtkIconSize lsize = static_cast<GtkIconSize>(GPOINTER_TO_INT(user_data));
1418 if ( id ) {
1419 int psize = sp_icon_get_phys_size(lsize);
1420 g_message("imageMapCB(%p) for [%s]:%d:%d", widget, id, lsize, psize);
1421 for ( std::vector<preRenderItem>::iterator it = pendingRenders.begin(); it != pendingRenders.end(); ++it ) {
1422 if ( (it->_name == id) && (it->_lsize == lsize) ) {
1423 prerender_icon(id, lsize, psize);
1424 pendingRenders.erase(it);
1425 g_message(" prerender for %s:%d:%d", id, lsize, psize);
1426 if (lsize != size) {
1427 int psize = sp_icon_get_phys_size(size);
1428 prerender_icon(id, size, psize);
1429 }
1430 break;
1431 }
1432 }
1433 }
1435 g_signal_handlers_disconnect_by_func(widget, (gpointer)imageMapCB, user_data);
1436 }
1438 static void imageMapNamedCB(GtkWidget* widget, gpointer user_data) {
1439 GtkImage* img = GTK_IMAGE(widget);
1440 gchar const* iconName = 0;
1441 GtkIconSize size = GTK_ICON_SIZE_INVALID;
1442 gtk_image_get_icon_name(img, &iconName, &size);
1443 if ( iconName ) {
1444 GtkImageType type = gtk_image_get_storage_type( GTK_IMAGE(img) );
1445 if ( type == GTK_IMAGE_ICON_NAME ) {
1447 gint iconSize = 0;
1448 gchar* iconName = 0;
1449 {
1450 GIcon* gicon = 0;
1451 GtkIconSet* iconSet = 0;
1452 GdkImage* iii = 0;
1453 GdkPixbuf* pixbuf = 0;
1454 gint pixelSize = 0;
1455 gchar* stock = 0;
1456 g_object_get(G_OBJECT(widget),
1457 "gicon", &gicon,
1458 "icon-set", &iconSet,
1459 "icon-name", &iconName,
1460 "icon-size", &iconSize,
1461 "image", &iii,
1462 "pixbuf", &pixbuf,
1463 "pixel-size", &pixelSize,
1464 "stock", &stock,
1465 NULL);
1466 }
1468 for ( std::vector<preRenderItem>::iterator it = pendingRenders.begin(); it != pendingRenders.end(); ++it ) {
1469 if ( (it->_name == iconName) && (it->_lsize == size) ) {
1470 int psize = sp_icon_get_phys_size(size);
1471 prerender_icon(iconName, size, psize);
1472 pendingRenders.erase(it);
1473 break;
1474 }
1475 }
1477 gtk_image_set_from_icon_name(img, "", (GtkIconSize)iconSize);
1478 gtk_image_set_from_icon_name(img, iconName, (GtkIconSize)iconSize);
1479 } else {
1480 g_warning("UNEXPECTED TYPE of %d", (int)type);
1481 }
1482 }
1484 g_signal_handlers_disconnect_by_func(widget, (gpointer)imageMapNamedCB, user_data);
1485 }
1488 /*
1489 Local Variables:
1490 mode:c++
1491 c-file-style:"stroustrup"
1492 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1493 indent-tabs-mode:nil
1494 fill-column:99
1495 End:
1496 */
1497 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :