src/widgets/icon.cpp

   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  */
  13
  14 #ifdef HAVE_CONFIG_H
  15 # include "config.h"
  16 #endif
  17
  18 #include <cstring>
  19 #include <glib/gmem.h>
  20 #include <gtk/gtk.h>
  21 #include <gtkmm.h>
  22
  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"
  31
  32 #include "icon.h"
  33
  34 static gboolean icon_prerender_task(gpointer data);
  35
  36 static void addPreRender( GtkIconSize lsize, gchar const *name );
  37
  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);
  41
  42 static void sp_icon_reset(SPIcon *icon);
  43 static void sp_icon_clear(SPIcon *icon);
  44
  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);
  48
  49 static void sp_icon_paint(SPIcon *icon, GdkRectangle const *area);
  50
  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 );
  54
  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);
  57
  58 static void sp_icon_overlay_pixels( guchar *px, int width, int height, int stride,
  59                                     unsigned r, unsigned g, unsigned b );
  60
  61 static void injectCustomSize();
  62
  63 static GtkWidgetClass *parent_class;
  64
  65 static bool sizeDirty = true;
  66
  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 };
  78
  79 static std::map<Glib::ustring, Glib::ustring> legacyNames;
  80
  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 };
  91
  92 static std::map<Glib::ustring, std::vector<IconCacheItem> > iconSetCache;
  93
  94 GType
  95 sp_icon_get_type()
  96 {
  97     static GType type = 0;
  98     if (!type) {
  99         GTypeInfo info = {
 100             sizeof(SPIconClass),
 101             NULL,
 102             NULL,
 103             (GClassInitFunc) sp_icon_class_init,
 104             NULL,
 105             NULL,
 106             sizeof(SPIcon),
 107             0,
 108             (GInstanceInitFunc) sp_icon_init,
 109             NULL
 110         };
 111         type = g_type_register_static(GTK_TYPE_WIDGET, "SPIcon", &info, (GTypeFlags)0);
 112     }
 113     return type;
 114 }
 115
 116 static void
 117 sp_icon_class_init(SPIconClass *klass)
 118 {
 119     GObjectClass *object_class;
 120     GtkWidgetClass *widget_class;
 121
 122     object_class = (GObjectClass *) klass;
 123     widget_class = (GtkWidgetClass *) klass;
 124
 125     parent_class = (GtkWidgetClass*)g_type_class_peek_parent(klass);
 126
 127     object_class->dispose = sp_icon_dispose;
 128
 129     widget_class->size_request = sp_icon_size_request;
 130     widget_class->size_allocate = sp_icon_size_allocate;
 131     widget_class->expose_event = sp_icon_expose;
 132     widget_class->screen_changed = sp_icon_screen_changed;
 133     widget_class->style_set = sp_icon_style_set;
 134 }
 135
 136
 137 static void
 138 sp_icon_init(SPIcon *icon)
 139 {
 140     GTK_WIDGET_FLAGS(icon) |= GTK_NO_WINDOW;
 141     icon->lsize = Inkscape::ICON_SIZE_BUTTON;
 142     icon->psize = 0;
 143     icon->name = 0;
 144     icon->pb = 0;
 145 }
 146
 147 static void
 148 sp_icon_dispose(GObject *object)
 149 {
 150     SPIcon *icon = SP_ICON(object);
 151     sp_icon_clear(icon);
 152     if ( icon->name ) {
 153         g_free( icon->name );
 154         icon->name = 0;
 155     }
 156
 157     ((GObjectClass *) (parent_class))->dispose(object);
 158 }
 159
 160 static void sp_icon_reset( SPIcon *icon ) {
 161     icon->psize = 0;
 162     sp_icon_clear(icon);
 163 }
 164
 165 static void sp_icon_clear( SPIcon *icon ) {
 166     if (icon->pb) {
 167         g_object_unref(G_OBJECT(icon->pb));
 168         icon->pb = NULL;
 169     }
 170 }
 171
 172 static void
 173 sp_icon_size_request(GtkWidget *widget, GtkRequisition *requisition)
 174 {
 175     SPIcon const *icon = SP_ICON(widget);
 176
 177     int const size = ( icon->psize
 178                        ? icon->psize
 179                        : sp_icon_get_phys_size(icon->lsize) );
 180     requisition->width = size;
 181     requisition->height = size;
 182 }
 183
 184 static void
 185 sp_icon_size_allocate(GtkWidget *widget, GtkAllocation *allocation)
 186 {
 187     widget->allocation = *allocation;
 188
 189     if (GTK_WIDGET_DRAWABLE(widget)) {
 190         gtk_widget_queue_draw(widget);
 191     }
 192 }
 193
 194 static int sp_icon_expose(GtkWidget *widget, GdkEventExpose *event)
 195 {
 196     if ( GTK_WIDGET_DRAWABLE(widget) ) {
 197         SPIcon *icon = SP_ICON(widget);
 198         if ( !icon->pb ) {
 199             sp_icon_fetch_pixbuf( icon );
 200         }
 201
 202         sp_icon_paint(SP_ICON(widget), &event->area);
 203     }
 204
 205     return TRUE;
 206 }
 207
 208 static GdkPixbuf* renderup( gchar const* name, Inkscape::IconSize lsize, unsigned psize );
 209
 210 // PUBLIC CALL:
 211 void sp_icon_fetch_pixbuf( SPIcon *icon )
 212 {
 213     if ( icon ) {
 214         if ( !icon->pb ) {
 215             icon->psize = sp_icon_get_phys_size(icon->lsize);
 216             icon->pb = renderup(icon->name, icon->lsize, icon->psize);
 217         }
 218     }
 219 }
 220
 221 static GdkPixbuf* renderup( gchar const* name, Inkscape::IconSize lsize, unsigned psize ) {
 222     GtkIconTheme *theme = gtk_icon_theme_get_default();
 223
 224     GdkPixbuf *pb = 0;
 225     if (gtk_icon_theme_has_icon(theme, name)) {
 226         pb = gtk_icon_theme_load_icon(theme, name, psize, (GtkIconLookupFlags) 0, NULL);
 227     }
 228     if (!pb) {
 229         pb = sp_icon_image_load_svg( name, Inkscape::getRegisteredIconSize(lsize), psize );
 230         if (!pb && (legacyNames.find(name) != legacyNames.end())) {
 231             if ( Inkscape::Preferences::get()->getBool("/debug/icons/dumpSvg") ) {
 232                 g_message("Checking fallback [%s]->[%s]", name, legacyNames[name].c_str());
 233             }
 234             pb = sp_icon_image_load_svg( legacyNames[name].c_str(), Inkscape::getRegisteredIconSize(lsize), psize );
 235         }
 236
 237         // if this was loaded from SVG, add it as a builtin icon
 238         if (pb) {
 239             gtk_icon_theme_add_builtin_icon(name, psize, pb);
 240         }
 241     }
 242     if (!pb) {
 243         pb = sp_icon_image_load_pixmap( name, lsize, psize );
 244     }
 245     if ( !pb ) {
 246         // TODO: We should do something more useful if we can't load the image.
 247         g_warning ("failed to load icon '%s'", name);
 248     }
 249     return pb;
 250 }
 251
 252 static void sp_icon_screen_changed( GtkWidget *widget, GdkScreen *previous_screen )
 253 {
 254     if ( GTK_WIDGET_CLASS( parent_class )->screen_changed ) {
 255         GTK_WIDGET_CLASS( parent_class )->screen_changed( widget, previous_screen );
 256     }
 257     SPIcon *icon = SP_ICON(widget);
 258     sp_icon_theme_changed(icon);
 259 }
 260
 261 static void sp_icon_style_set( GtkWidget *widget, GtkStyle *previous_style )
 262 {
 263     if ( GTK_WIDGET_CLASS( parent_class )->style_set ) {
 264         GTK_WIDGET_CLASS( parent_class )->style_set( widget, previous_style );
 265     }
 266     SPIcon *icon = SP_ICON(widget);
 267     sp_icon_theme_changed(icon);
 268 }
 269
 270 static void sp_icon_theme_changed( SPIcon *icon )
 271 {
 272     bool const dump = Inkscape::Preferences::get()->getBool("/debug/icons/dumpSvg");
 273     if ( dump ) {
 274         g_message("Got a change bump for this icon");
 275     }
 276     sizeDirty = true;
 277     sp_icon_reset(icon);
 278     gtk_widget_queue_draw( GTK_WIDGET(icon) );
 279 }
 280
 281
 282 static void imageMapCB(GtkWidget* widget, gpointer user_data);
 283 static void imageMapNamedCB(GtkWidget* widget, gpointer user_data);
 284 static bool prerender_icon(gchar const *name, GtkIconSize lsize, unsigned psize);
 285 static Glib::ustring icon_cache_key(gchar const *name, unsigned psize);
 286 static GdkPixbuf *get_cached_pixbuf(Glib::ustring const &key);
 287
 288 static void setupLegacyNaming() {
 289     legacyNames["document-import"] ="file_import";
 290     legacyNames["document-export"] ="file_export";
 291     legacyNames["document-import-ocal"] ="ocal_import";
 292     legacyNames["document-export-ocal"] ="ocal_export";
 293     legacyNames["document-metadata"] ="document_metadata";
 294     legacyNames["dialog-input-devices"] ="input_devices";
 295     legacyNames["edit-duplicate"] ="edit_duplicate";
 296     legacyNames["edit-clone"] ="edit_clone";
 297     legacyNames["edit-clone-unlink"] ="edit_unlink_clone";
 298     legacyNames["edit-select-original"] ="edit_select_original";
 299     legacyNames["edit-undo-history"] ="edit_undo_history";
 300     legacyNames["edit-paste-in-place"] ="selection_paste_in_place";
 301     legacyNames["edit-paste-style"] ="selection_paste_style";
 302     legacyNames["selection-make-bitmap-copy"] ="selection_bitmap";
 303     legacyNames["edit-select-all"] ="selection_select_all";
 304     legacyNames["edit-select-all-layers"] ="selection_select_all_in_all_layers";
 305     legacyNames["edit-select-invert"] ="selection_invert";
 306     legacyNames["edit-select-none"] ="selection_deselect";
 307     legacyNames["dialog-xml-editor"] ="xml_editor";
 308     legacyNames["zoom-original"] ="zoom_1_to_1";
 309     legacyNames["zoom-half-size"] ="zoom_1_to_2";
 310     legacyNames["zoom-double-size"] ="zoom_2_to_1";
 311     legacyNames["zoom-fit-selection"] ="zoom_select";
 312     legacyNames["zoom-fit-drawing"] ="zoom_draw";
 313     legacyNames["zoom-fit-page"] ="zoom_page";
 314     legacyNames["zoom-fit-width"] ="zoom_pagewidth";
 315     legacyNames["zoom-previous"] ="zoom_previous";
 316     legacyNames["zoom-next"] ="zoom_next";
 317     legacyNames["zoom-in"] ="zoom_in";
 318     legacyNames["zoom-out"] ="zoom_out";
 319     legacyNames["show-grid"] ="grid";
 320     legacyNames["show-guides"] ="guides";
 321     legacyNames["color-management"] ="color_management";
 322     legacyNames["show-dialogs"] ="dialog_toggle";
 323     legacyNames["dialog-messages"] ="messages";
 324     legacyNames["dialog-scripts"] ="scripts";
 325     legacyNames["window-previous"] ="window_previous";
 326     legacyNames["window-next"] ="window_next";
 327     legacyNames["dialog-icon-preview"] ="view_icon_preview";
 328     legacyNames["window-new"] ="view_new";
 329     legacyNames["view-fullscreen"] ="fullscreen";
 330     legacyNames["layer-new"] ="new_layer";
 331     legacyNames["layer-rename"] ="rename_layer";
 332     legacyNames["layer-previous"] ="switch_to_layer_above";
 333     legacyNames["layer-next"] ="switch_to_layer_below";
 334     legacyNames["selection-move-to-layer-above"] ="move_selection_above";
 335     legacyNames["selection-move-to-layer-below"] ="move_selection_below";
 336     legacyNames["layer-raise"] ="raise_layer";
 337     legacyNames["layer-lower"] ="lower_layer";
 338     legacyNames["layer-top"] ="layer_to_top";
 339     legacyNames["layer-bottom"] ="layer_to_bottom";
 340     legacyNames["layer-delete"] ="delete_layer";
 341     legacyNames["dialog-layers"] ="layers";
 342     legacyNames["dialog-fill-and-stroke"] ="fill_and_stroke";
 343     legacyNames["dialog-object-properties"] ="dialog_item_properties";
 344     legacyNames["object-group"] ="selection_group";
 345     legacyNames["object-ungroup"] ="selection_ungroup";
 346     legacyNames["selection-raise"] ="selection_up";
 347     legacyNames["selection-lower"] ="selection_down";
 348     legacyNames["selection-top"] ="selection_top";
 349     legacyNames["selection-bottom"] ="selection_bot";
 350     legacyNames["object-rotate-left"] ="object_rotate_90_CCW";
 351     legacyNames["object-rotate-right"] ="object_rotate_90_CW";
 352     legacyNames["object-flip-horizontal"] ="object_flip_hor";
 353     legacyNames["object-flip-vertical"] ="object_flip_ver";
 354     legacyNames["dialog-transform"] ="object_trans";
 355     legacyNames["dialog-align-and-distribute"] ="object_align";
 356     legacyNames["dialog-rows-and-columns"] ="grid_arrange";
 357     legacyNames["object-to-path"] ="object_tocurve";
 358     legacyNames["stroke-to-path"] ="stroke_tocurve";
 359     legacyNames["bitmap-trace"] ="selection_trace";
 360     legacyNames["path-union"] ="union";
 361     legacyNames["path-difference"] ="difference";
 362     legacyNames["path-intersection"] ="intersection";
 363     legacyNames["path-exclusion"] ="exclusion";
 364     legacyNames["path-division"] ="division";
 365     legacyNames["path-cut"] ="cut_path";
 366     legacyNames["path-combine"] ="selection_combine";
 367     legacyNames["path-break-apart"] ="selection_break";
 368     legacyNames["path-outset"] ="outset_path";
 369     legacyNames["path-inset"] ="inset_path";
 370     legacyNames["path-offset-dynamic"] ="dynamic_offset";
 371     legacyNames["path-offset-linked"] ="linked_offset";
 372     legacyNames["path-simplify"] ="simplify";
 373     legacyNames["path-reverse"] ="selection_reverse";
 374     legacyNames["dialog-text-and-font"] ="object_font";
 375     legacyNames["text-put-on-path"] ="put_on_path";
 376     legacyNames["text-remove-from-path"] ="remove_from_path";
 377     legacyNames["text-flow-into-frame"] ="flow_into_frame";
 378     legacyNames["text-unflow"] ="unflow";
 379     legacyNames["text-convert-to-regular"] ="convert_to_text";
 380     legacyNames["text-unkern"] ="remove_manual_kerns";
 381     legacyNames["help-keyboard-shortcuts"] ="help_keys";
 382     legacyNames["help-contents"] ="help_tutorials";
 383     legacyNames["inkscape"] ="inkscape_options";
 384     legacyNames["dialog-memory"] ="about_memory";
 385     legacyNames["tool-pointer"] ="draw_select";
 386     legacyNames["tool-node-editor"] ="draw_node";
 387     legacyNames["tool-tweak"] ="draw_tweak";
 388     legacyNames["zoom"] ="draw_zoom";
 389     legacyNames["draw-rectangle"] ="draw_rect";
 390     legacyNames["draw-cuboid"] ="draw_3dbox";
 391     legacyNames["draw-ellipse"] ="draw_arc";
 392     legacyNames["draw-polygon-star"] ="draw_star";
 393     legacyNames["draw-spiral"] ="draw_spiral";
 394     legacyNames["draw-freehand"] ="draw_freehand";
 395     legacyNames["draw-path"] ="draw_pen";
 396     legacyNames["draw-calligraphic"] ="draw_calligraphic";
 397     legacyNames["draw-eraser"] ="draw_erase";
 398     legacyNames["color-fill"] ="draw_paintbucket";
 399     legacyNames["draw-text"] ="draw_text";
 400     legacyNames["draw-connector"] ="draw_connector";
 401     legacyNames["color-gradient"] ="draw_gradient";
 402     legacyNames["color-picker"] ="draw_dropper";
 403     legacyNames["transform-affect-stroke"] ="transform_stroke";
 404     legacyNames["transform-affect-rounded-corners"] ="transform_corners";
 405     legacyNames["transform-affect-gradient"] ="transform_gradient";
 406     legacyNames["transform-affect-pattern"] ="transform_pattern";
 407     legacyNames["node-add"] ="node_insert";
 408     legacyNames["node-delete"] ="node_delete";
 409     legacyNames["node-join"] ="node_join";
 410     legacyNames["node-break"] ="node_break";
 411     legacyNames["node-join-segment"] ="node_join_segment";
 412     legacyNames["node-delete-segment"] ="node_delete_segment";
 413     legacyNames["node-type-cusp"] ="node_cusp";
 414     legacyNames["node-type-smooth"] ="node_smooth";
 415     legacyNames["node-type-symmetric"] ="node_symmetric";
 416     legacyNames["node-type-auto-smooth"] ="node_auto";
 417     legacyNames["node-segment-curve"] ="node_curve";
 418     legacyNames["node-segment-line"] ="node_line";
 419     legacyNames["show-node-handles"] ="nodes_show_handles";
 420     legacyNames["path-effect-parameter-next"] ="edit_next_parameter";
 421     legacyNames["show-path-outline"] ="nodes_show_helperpath";
 422     legacyNames["path-clip-edit"] ="nodeedit-clippath";
 423     legacyNames["path-mask-edit"] ="nodeedit-mask";
 424     legacyNames["node-type-cusp"] ="node_cusp";
 425     legacyNames["object-tweak-push"] ="tweak_move_mode";
 426     legacyNames["object-tweak-attract"] ="tweak_move_mode_inout";
 427     legacyNames["object-tweak-randomize"] ="tweak_move_mode_jitter";
 428     legacyNames["object-tweak-shrink"] ="tweak_scale_mode";
 429     legacyNames["object-tweak-rotate"] ="tweak_rotate_mode";
 430     legacyNames["object-tweak-duplicate"] ="tweak_moreless_mode";
 431     legacyNames["object-tweak-push"] ="tweak_move_mode";
 432     legacyNames["path-tweak-push"] ="tweak_push_mode";
 433     legacyNames["path-tweak-shrink"] ="tweak_shrink_mode";
 434     legacyNames["path-tweak-attract"] ="tweak_attract_mode";
 435     legacyNames["path-tweak-roughen"] ="tweak_roughen_mode";
 436     legacyNames["object-tweak-paint"] ="tweak_colorpaint_mode";
 437     legacyNames["object-tweak-jitter-color"] ="tweak_colorjitter_mode";
 438     legacyNames["object-tweak-blur"] ="tweak_blur_mode";
 439     legacyNames["rectangle-make-corners-sharp"] ="squared_corner";
 440     legacyNames["perspective-parallel"] ="toggle_vp_x";
 441     legacyNames["draw-ellipse-whole"] ="reset_circle";
 442     legacyNames["draw-ellipse-segment"] ="circle_closed_arc";
 443     legacyNames["draw-ellipse-arc"] ="circle_open_arc";
 444     legacyNames["draw-polygon"] ="star_flat";
 445     legacyNames["draw-star"] ="star_angled";
 446     legacyNames["path-mode-bezier"] ="bezier_mode";
 447     legacyNames["path-mode-spiro"] ="spiro_splines_mode";
 448     legacyNames["path-mode-polyline"] ="polylines_mode";
 449     legacyNames["path-mode-polyline-paraxial"] ="paraxial_lines_mode";
 450     legacyNames["draw-use-tilt"] ="guse_tilt";
 451     legacyNames["draw-use-pressure"] ="guse_pressure";
 452     legacyNames["draw-trace-background"] ="trace_background";
 453     legacyNames["draw-eraser-delete-objects"] ="delete_object";
 454     legacyNames["format-text-direction-vertical"] ="writing_mode_tb";
 455     legacyNames["format-text-direction-horizontal"] ="writing_mode_lr";
 456     legacyNames["connector-avoid"] ="connector_avoid";
 457     legacyNames["connector-ignore"] ="connector_ignore";
 458     legacyNames["object-fill"] ="controls_fill";
 459     legacyNames["object-stroke"] ="controls_stroke";
 460     legacyNames["snap"] ="toggle_snap_global";
 461     legacyNames["snap-bounding-box"] ="toggle_snap_bbox";
 462     legacyNames["snap-bounding-box-edges"] ="toggle_snap_to_bbox_path";
 463     legacyNames["snap-bounding-box-corners"] ="toggle_snap_to_bbox_node";
 464     legacyNames["snap-bounding-box-midpoints"] ="toggle_snap_to_bbox_edge_midpoints";
 465     legacyNames["snap-bounding-box-center"] ="toggle_snap_to_bbox_midpoints";
 466     legacyNames["snap-nodes"] ="toggle_snap_nodes";
 467     legacyNames["snap-nodes-path"] ="toggle_snap_to_paths";
 468     legacyNames["snap-nodes-cusp"] ="toggle_snap_to_nodes";
 469     legacyNames["snap-nodes-smooth"] ="toggle_snap_to_smooth_nodes";
 470     legacyNames["snap-nodes-midpoint"] ="toggle_snap_to_midpoints";
 471     legacyNames["snap-nodes-intersection"] ="toggle_snap_to_path_intersections";
 472     legacyNames["snap-nodes-center"] ="toggle_snap_to_bbox_midpoints-3";
 473     legacyNames["snap-nodes-rotation-center"] ="toggle_snap_center";
 474     legacyNames["snap-page"] ="toggle_snap_page_border";
 475     legacyNames["snap-grid-guide-intersections"] ="toggle_snap_grid_guide_intersections";
 476     legacyNames["align-horizontal-right-to-anchor"] ="al_left_out";
 477     legacyNames["align-horizontal-left"] ="al_left_in";
 478     legacyNames["align-horizontal-center"] ="al_center_hor";
 479     legacyNames["align-horizontal-right"] ="al_right_in";
 480     legacyNames["align-horizontal-left-to-anchor"] ="al_right_out";
 481     legacyNames["align-horizontal-baseline"] ="al_baselines_vert";
 482     legacyNames["align-vertical-bottom-to-anchor"] ="al_top_out";
 483     legacyNames["align-vertical-top"] ="al_top_in";
 484     legacyNames["align-vertical-center"] ="al_center_ver";
 485     legacyNames["align-vertical-bottom"] ="al_bottom_in";
 486     legacyNames["align-vertical-top-to-anchor"] ="al_bottom_out";
 487     legacyNames["align-vertical-baseline"] ="al_baselines_hor";
 488     legacyNames["distribute-horizontal-left"] ="distribute_left";
 489     legacyNames["distribute-horizontal-center"] ="distribute_hcentre";
 490     legacyNames["distribute-horizontal-right"] ="distribute_right";
 491     legacyNames["distribute-horizontal-baseline"] ="distribute_baselines_hor";
 492     legacyNames["distribute-vertical-bottom"] ="distribute_bottom";
 493     legacyNames["distribute-vertical-center"] ="distribute_vcentre";
 494     legacyNames["distribute-vertical-top"] ="distribute_top";
 495     legacyNames["distribute-vertical-baseline"] ="distribute_baselines_vert";
 496     legacyNames["distribute-randomize"] ="distribute_randomize";
 497     legacyNames["distribute-unclump"] ="unclump";
 498     legacyNames["distribute-graph"] ="graph_layout";
 499     legacyNames["distribute-graph-directed"] ="directed_graph";
 500     legacyNames["distribute-remove-overlaps"] ="remove_overlaps";
 501     legacyNames["align-horizontal-node"] ="node_valign";
 502     legacyNames["align-vertical-node"] ="node_halign";
 503     legacyNames["distribute-vertical-node"] ="node_vdistribute";
 504     legacyNames["distribute-horizontal-node"] ="node_hdistribute";
 505     legacyNames["xml-element-new"] ="add_xml_element_node";
 506     legacyNames["xml-text-new"] ="add_xml_text_node";
 507     legacyNames["xml-node-delete"] ="delete_xml_node";
 508     legacyNames["xml-node-duplicate"] ="duplicate_xml_node";
 509     legacyNames["xml-attribute-delete"] ="delete_xml_attribute";
 510     legacyNames["transform-move-horizontal"] ="arrows_hor";
 511     legacyNames["transform-move-vertical"] ="arrows_ver";
 512     legacyNames["transform-scale-horizontal"] ="transform_scale_hor";
 513     legacyNames["transform-scale-vertical"] ="transform_scale_ver";
 514     legacyNames["transform-skew-horizontal"] ="transform_scew_hor";
 515     legacyNames["transform-skew-vertical"] ="transform_scew_ver";
 516     legacyNames["object-fill"] ="properties_fill";
 517     legacyNames["object-stroke"] ="properties_stroke_paint";
 518     legacyNames["object-stroke-style"] ="properties_stroke";
 519     legacyNames["paint-none"] ="fill_none";
 520     legacyNames["paint-solid"] ="fill_solid";
 521     legacyNames["paint-gradient-linear"] ="fill_gradient";
 522     legacyNames["paint-gradient-radial"] ="fill_radial";
 523     legacyNames["paint-pattern"] ="fill_pattern";
 524     legacyNames["paint-unknown"] ="fill_unset";
 525     legacyNames["fill-rule-even-odd"] ="fillrule_evenodd";
 526     legacyNames["fill-rule-nonzero"] ="fillrule_nonzero";
 527     legacyNames["stroke-join-miter"] ="join_miter";
 528     legacyNames["stroke-join-bevel"] ="join_bevel";
 529     legacyNames["stroke-join-round"] ="join_round";
 530     legacyNames["stroke-cap-butt"] ="cap_butt";
 531     legacyNames["stroke-cap-square"] ="cap_square";
 532     legacyNames["stroke-cap-round"] ="cap_round";
 533     legacyNames["guides"] ="guide";
 534     legacyNames["grid-rectangular"] ="grid_xy";
 535     legacyNames["grid-axonometric"] ="grid_axonom";
 536     legacyNames["object-visible"] ="visible";
 537     legacyNames["object-hidden"] ="hidden";
 538     legacyNames["object-unlocked"] ="lock_unlocked";
 539     legacyNames["object-locked"] ="width_height_lock";
 540     legacyNames["zoom"] ="sticky_zoom";
 541 }
 542
 543 static GtkWidget *
 544 sp_icon_new_full( Inkscape::IconSize lsize, gchar const *name )
 545 {
 546     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 547     static bool dump = prefs->getBool( "/debug/icons/dumpGtk");
 548
 549     GtkWidget *widget = 0;
 550     gint trySize = CLAMP( static_cast<gint>(lsize), 0, static_cast<gint>(G_N_ELEMENTS(iconSizeLookup) - 1) );
 551     if ( !sizeMapDone ) {
 552         injectCustomSize();
 553     }
 554     GtkIconSize mappedSize = iconSizeLookup[trySize];
 555
 556     GtkStockItem stock;
 557     gboolean stockFound = gtk_stock_lookup( name, &stock );
 558
 559     GtkWidget *img = 0;
 560     if ( legacyNames.empty() ) {
 561         setupLegacyNaming();
 562     }
 563
 564     if ( stockFound ) {
 565         img = gtk_image_new_from_stock( name, mappedSize );
 566     } else {
 567         img = gtk_image_new_from_icon_name( name, mappedSize );
 568         if ( dump ) {
 569             g_message("gtk_image_new_from_icon_name( '%s', %d ) = %p", name, mappedSize, img);
 570             GtkImageType thing = gtk_image_get_storage_type(GTK_IMAGE(img));
 571             g_message("      Type is %d  %s", (int)thing, (thing == GTK_IMAGE_EMPTY ? "Empty" : "ok"));
 572         }
 573     }
 574
 575     if ( img ) {
 576         GtkImageType type = gtk_image_get_storage_type( GTK_IMAGE(img) );
 577         if ( type == GTK_IMAGE_STOCK ) {
 578             if ( !stockFound ) {
 579                 // It's not showing as a stock ID, so assume it will be present internally
 580                 addPreRender( mappedSize, name );
 581
 582                 // Add a hook to render if set visible before prerender is done.
 583                 g_signal_connect( G_OBJECT(img), "map", G_CALLBACK(imageMapCB), GINT_TO_POINTER(static_cast<int>(mappedSize)) );
 584                 if ( dump ) {
 585                     g_message("      connecting %p for imageMapCB for [%s] %d", img, name, (int)mappedSize);
 586                 }
 587             }
 588             widget = GTK_WIDGET(img);
 589             img = 0;
 590             if ( dump ) {
 591                 g_message( "loaded gtk  '%s' %d  (GTK_IMAGE_STOCK) %s  on %p", name, mappedSize, (stockFound ? "STOCK" : "local"), widget );
 592             }
 593         } else if ( type == GTK_IMAGE_ICON_NAME ) {
 594             widget = GTK_WIDGET(img);
 595             img = 0;
 596
 597 //             if (!gtk_icon_theme_has_icon(gtk_icon_theme_get_default(), name)) {
 598 //                 // TODO temporary work-around. until background rendering is restored.
 599 //                 int psize = sp_icon_get_phys_size(lsize);
 600 //                 renderup(name, lsize, psize);
 601 //             }
 602
 603             // Add a hook to render if set visible before prerender is done.
 604             g_signal_connect( G_OBJECT(widget), "map", G_CALLBACK(imageMapNamedCB), GINT_TO_POINTER(0) );
 605
 606             if ( prefs->getBool("/options/iconrender/named_nodelay") ) {
 607                 int psize = sp_icon_get_phys_size(lsize);
 608                 prerender_icon(name, mappedSize, psize);
 609             } else {
 610                 addPreRender( mappedSize, name );
 611             }
 612         } else {
 613             if ( dump ) {
 614                 g_message( "skipped gtk '%s' %d  (not GTK_IMAGE_STOCK)", name, lsize );
 615             }
 616             //g_object_unref( (GObject *)img );
 617             img = 0;
 618         }
 619     }
 620
 621     if ( !widget ) {
 622         //g_message("Creating an SPIcon instance for %s:%d", name, (int)lsize);
 623         SPIcon *icon = (SPIcon *)g_object_new(SP_TYPE_ICON, NULL);
 624         icon->lsize = lsize;
 625         icon->name = g_strdup(name);
 626         icon->psize = sp_icon_get_phys_size(lsize);
 627
 628         widget = GTK_WIDGET(icon);
 629     }
 630
 631     return widget;
 632 }
 633
 634 GtkWidget *
 635 sp_icon_new( Inkscape::IconSize lsize, gchar const *name )
 636 {
 637     return sp_icon_new_full( lsize, name );
 638 }
 639
 640 // PUBLIC CALL:
 641 Gtk::Widget *sp_icon_get_icon( Glib::ustring const &oid, Inkscape::IconSize size )
 642 {
 643     Gtk::Widget *result = 0;
 644     GtkWidget *widget = sp_icon_new_full( static_cast<Inkscape::IconSize>(Inkscape::getRegisteredIconSize(size)), oid.c_str() );
 645
 646     if ( widget ) {
 647         if ( GTK_IS_IMAGE(widget) ) {
 648             GtkImage *img = GTK_IMAGE(widget);
 649             result = Glib::wrap( img );
 650         } else {
 651             result = Glib::wrap( widget );
 652         }
 653     }
 654
 655     return result;
 656 }
 657
 658 GtkIconSize
 659 sp_icon_get_gtk_size(int size)
 660 {
 661     static GtkIconSize sizemap[64] = {(GtkIconSize)0};
 662     size = CLAMP(size, 4, 63);
 663     if (!sizemap[size]) {
 664         static int count = 0;
 665         char c[64];
 666         g_snprintf(c, 64, "InkscapeIcon%d", count++);
 667         sizemap[size] = gtk_icon_size_register(c, size, size);
 668     }
 669     return sizemap[size];
 670 }
 671
 672
 673 static void injectCustomSize()
 674 {
 675     // TODO - still need to handle the case of theme changes and resize, especially as we can't re-register a string.
 676     if ( !sizeMapDone )
 677     {
 678         bool dump = Inkscape::Preferences::get()->getBool("/debug/icons/dumpDefault");
 679         gint width = 0;
 680         gint height = 0;
 681         if ( gtk_icon_size_lookup(GTK_ICON_SIZE_MENU, &width, &height ) ) {
 682             gint newWidth = ((width * 3) / 4);
 683             gint newHeight = ((height * 3) / 4);
 684             GtkIconSize newSizeEnum = gtk_icon_size_register( "inkscape-decoration", newWidth, newHeight );
 685             if ( newSizeEnum ) {
 686                 if ( dump ) {
 687                     g_message("Registered (%d, %d) <= (%d, %d) as index %d", newWidth, newHeight, width, height, newSizeEnum);
 688                 }
 689                 guint index = static_cast<guint>(Inkscape::ICON_SIZE_DECORATION);
 690                 if ( index < G_N_ELEMENTS(iconSizeLookup) ) {
 691                     iconSizeLookup[index] = newSizeEnum;
 692                 } else if ( dump ) {
 693                     g_message("size lookup array too small to store entry");
 694                 }
 695             }
 696         }
 697         sizeMapDone = true;
 698     }
 699 }
 700
 701 GtkIconSize Inkscape::getRegisteredIconSize( Inkscape::IconSize size )
 702 {
 703     GtkIconSize other = GTK_ICON_SIZE_MENU;
 704     injectCustomSize();
 705     size = CLAMP( size, Inkscape::ICON_SIZE_MENU, Inkscape::ICON_SIZE_DECORATION );
 706     if ( size == Inkscape::ICON_SIZE_DECORATION ) {
 707         other = gtk_icon_size_from_name("inkscape-decoration");
 708     } else {
 709         other = static_cast<GtkIconSize>(size);
 710     }
 711
 712     return other;
 713 }
 714
 715
 716 // PUBLIC CALL:
 717 int sp_icon_get_phys_size(int size)
 718 {
 719     static bool init = false;
 720     static int lastSys[Inkscape::ICON_SIZE_DECORATION + 1];
 721     static int vals[Inkscape::ICON_SIZE_DECORATION + 1];
 722
 723     size = CLAMP( size, GTK_ICON_SIZE_MENU, Inkscape::ICON_SIZE_DECORATION );
 724
 725     if ( !sizeMapDone ) {
 726         injectCustomSize();
 727     }
 728
 729     if ( sizeDirty && init ) {
 730         GtkIconSize const gtkSizes[] = {
 731             GTK_ICON_SIZE_MENU,
 732             GTK_ICON_SIZE_SMALL_TOOLBAR,
 733             GTK_ICON_SIZE_LARGE_TOOLBAR,
 734             GTK_ICON_SIZE_BUTTON,
 735             GTK_ICON_SIZE_DND,
 736             GTK_ICON_SIZE_DIALOG,
 737             static_cast<guint>(Inkscape::ICON_SIZE_DECORATION) < G_N_ELEMENTS(iconSizeLookup) ?
 738                 iconSizeLookup[static_cast<int>(Inkscape::ICON_SIZE_DECORATION)] :
 739                 GTK_ICON_SIZE_MENU
 740         };
 741         for (unsigned i = 0; i < G_N_ELEMENTS(gtkSizes) && init; ++i) {
 742             guint const val_ix = (gtkSizes[i] <= GTK_ICON_SIZE_DIALOG) ? (guint)gtkSizes[i] : (guint)Inkscape::ICON_SIZE_DECORATION;
 743
 744             g_assert( val_ix < G_N_ELEMENTS(vals) );
 745
 746             gint width = 0;
 747             gint height = 0;
 748             if ( gtk_icon_size_lookup(gtkSizes[i], &width, &height ) ) {
 749                 init &= (lastSys[val_ix] == std::max(width, height));
 750             }
 751         }
 752     }
 753
 754     if ( !init ) {
 755         sizeDirty = false;
 756         bool dump = Inkscape::Preferences::get()->getBool("/debug/icons/dumpDefault");
 757         if ( dump ) {
 758             g_message( "Default icon sizes:" );
 759         }
 760         memset( vals, 0, sizeof(vals) );
 761         memset( lastSys, 0, sizeof(lastSys) );
 762         GtkIconSize const gtkSizes[] = {
 763             GTK_ICON_SIZE_MENU,
 764             GTK_ICON_SIZE_SMALL_TOOLBAR,
 765             GTK_ICON_SIZE_LARGE_TOOLBAR,
 766             GTK_ICON_SIZE_BUTTON,
 767             GTK_ICON_SIZE_DND,
 768             GTK_ICON_SIZE_DIALOG,
 769             static_cast<guint>(Inkscape::ICON_SIZE_DECORATION) < G_N_ELEMENTS(iconSizeLookup) ?
 770                 iconSizeLookup[static_cast<int>(Inkscape::ICON_SIZE_DECORATION)] :
 771                 GTK_ICON_SIZE_MENU
 772         };
 773         gchar const *const names[] = {
 774             "GTK_ICON_SIZE_MENU",
 775             "GTK_ICON_SIZE_SMALL_TOOLBAR",
 776             "GTK_ICON_SIZE_LARGE_TOOLBAR",
 777             "GTK_ICON_SIZE_BUTTON",
 778             "GTK_ICON_SIZE_DND",
 779             "GTK_ICON_SIZE_DIALOG",
 780             "inkscape-decoration"
 781         };
 782
 783         GtkWidget *icon = (GtkWidget *)g_object_new(SP_TYPE_ICON, NULL);
 784
 785         for (unsigned i = 0; i < G_N_ELEMENTS(gtkSizes); ++i) {
 786             guint const val_ix = (gtkSizes[i] <= GTK_ICON_SIZE_DIALOG) ? (guint)gtkSizes[i] : (guint)Inkscape::ICON_SIZE_DECORATION;
 787
 788             g_assert( val_ix < G_N_ELEMENTS(vals) );
 789
 790             gint width = 0;
 791             gint height = 0;
 792             bool used = false;
 793             if ( gtk_icon_size_lookup(gtkSizes[i], &width, &height ) ) {
 794                 vals[val_ix] = std::max(width, height);
 795                 lastSys[val_ix] = vals[val_ix];
 796                 used = true;
 797             }
 798             if (dump) {
 799                 g_message(" =--  %u  size:%d  %c(%d, %d)   '%s'",
 800                           i, gtkSizes[i],
 801                           ( used ? ' ' : 'X' ), width, height, names[i]);
 802             }
 803
 804             // The following is needed due to this documented behavior of gtk_icon_size_lookup:
 805             //   "The rendered pixbuf may not even correspond to the width/height returned by
 806             //   gtk_icon_size_lookup(), because themes are free to render the pixbuf however
 807             //   they like, including changing the usual size."
 808             gchar const *id = GTK_STOCK_OPEN;
 809             GdkPixbuf *pb = gtk_widget_render_icon( icon, id, gtkSizes[i], NULL);
 810             if (pb) {
 811                 width = gdk_pixbuf_get_width(pb);
 812                 height = gdk_pixbuf_get_height(pb);
 813                 int newSize = std::max( width, height );
 814                 // TODO perhaps check a few more stock icons to get a range on sizes.
 815                 if ( newSize > 0 ) {
 816                     vals[val_ix] = newSize;
 817                 }
 818                 if (dump) {
 819                     g_message("      %u  size:%d   (%d, %d)", i, gtkSizes[i], width, height);
 820                 }
 821
 822                 g_object_unref(G_OBJECT(pb));
 823             }
 824         }
 825         //g_object_unref(icon);
 826         init = true;
 827     }
 828
 829     return vals[size];
 830 }
 831
 832 static void sp_icon_paint(SPIcon *icon, GdkRectangle const */*area*/)
 833 {
 834     GtkWidget &widget = *GTK_WIDGET(icon);
 835     GdkPixbuf *image = icon->pb;
 836     bool unref_image = false;
 837
 838     /* copied from the expose function of GtkImage */
 839     if (GTK_WIDGET_STATE (icon) != GTK_STATE_NORMAL && image) {
 840         GtkIconSource *source = gtk_icon_source_new();
 841         gtk_icon_source_set_pixbuf(source, icon->pb);
 842         gtk_icon_source_set_size(source, GTK_ICON_SIZE_SMALL_TOOLBAR); // note: this is boilerplate and not used
 843         gtk_icon_source_set_size_wildcarded(source, FALSE);
 844         image = gtk_style_render_icon (widget.style, source, gtk_widget_get_direction(&widget),
 845             (GtkStateType) GTK_WIDGET_STATE(&widget), (GtkIconSize)-1, &widget, "gtk-image");
 846         gtk_icon_source_free(source);
 847         unref_image = true;
 848     }
 849
 850     if (image) {
 851         int x = floor(widget.allocation.x + ((widget.allocation.width - widget.requisition.width) * 0.5));
 852         int y = floor(widget.allocation.y + ((widget.allocation.height - widget.requisition.height) * 0.5));
 853         int width = gdk_pixbuf_get_width(image);
 854         int height = gdk_pixbuf_get_height(image);
 855         // Limit drawing to when we actually have something. Avoids some crashes.
 856         if ( (width > 0) && (height > 0) ) {
 857             gdk_draw_pixbuf(GDK_DRAWABLE(widget.window), widget.style->black_gc, image,
 858                             0, 0, x, y, width, height,
 859                             GDK_RGB_DITHER_NORMAL, x, y);
 860         }
 861     }
 862
 863     if (unref_image) {
 864         g_object_unref(G_OBJECT(image));
 865     }
 866 }
 867
 868 GdkPixbuf *sp_icon_image_load_pixmap(gchar const *name, unsigned /*lsize*/, unsigned psize)
 869 {
 870     gchar *path = (gchar *) g_strdup_printf("%s/%s.png", INKSCAPE_PIXMAPDIR, name);
 871     // TODO: bulia, please look over
 872     gsize bytesRead = 0;
 873     gsize bytesWritten = 0;
 874     GError *error = NULL;
 875     gchar *localFilename = g_filename_from_utf8( path,
 876                                                  -1,
 877                                                  &bytesRead,
 878                                                  &bytesWritten,
 879                                                  &error);
 880     GdkPixbuf *pb = gdk_pixbuf_new_from_file(localFilename, NULL);
 881     g_free(localFilename);
 882     g_free(path);
 883     if (!pb) {
 884         path = (gchar *) g_strdup_printf("%s/%s.xpm", INKSCAPE_PIXMAPDIR, name);
 885         // TODO: bulia, please look over
 886         gsize bytesRead = 0;
 887         gsize bytesWritten = 0;
 888         GError *error = NULL;
 889         gchar *localFilename = g_filename_from_utf8( path,
 890                                                      -1,
 891                                                      &bytesRead,
 892                                                      &bytesWritten,
 893                                                      &error);
 894         pb = gdk_pixbuf_new_from_file(localFilename, NULL);
 895         g_free(localFilename);
 896         g_free(path);
 897     }
 898
 899     if (pb) {
 900         if (!gdk_pixbuf_get_has_alpha(pb)) {
 901             gdk_pixbuf_add_alpha(pb, FALSE, 0, 0, 0);
 902         }
 903
 904         if ( ( static_cast<unsigned>(gdk_pixbuf_get_width(pb)) != psize )
 905              || ( static_cast<unsigned>(gdk_pixbuf_get_height(pb)) != psize ) ) {
 906             GdkPixbuf *spb = gdk_pixbuf_scale_simple(pb, psize, psize, GDK_INTERP_HYPER);
 907             g_object_unref(G_OBJECT(pb));
 908             pb = spb;
 909         }
 910     }
 911
 912     return pb;
 913 }
 914
 915 // takes doc, root, icon, and icon name to produce pixels
 916 extern "C" guchar *
 917 sp_icon_doc_icon( SPDocument *doc, NRArenaItem *root,
 918                   gchar const *name, unsigned psize )
 919 {
 920     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 921     bool const dump = prefs->getBool("/debug/icons/dumpSvg");
 922     guchar *px = NULL;
 923
 924     if (doc) {
 925         SPObject *object = doc->getObjectById(name);
 926         if (object && SP_IS_ITEM(object)) {
 927             /* Find bbox in document */
 928             Geom::Matrix const i2doc(sp_item_i2doc_affine(SP_ITEM(object)));
 929             Geom::OptRect dbox = SP_ITEM(object)->getBounds(i2doc);
 930
 931             if ( SP_OBJECT_PARENT(object) == NULL )
 932             {
 933                 dbox = Geom::Rect(Geom::Point(0, 0),
 934                                 Geom::Point(sp_document_width(doc), sp_document_height(doc)));
 935             }
 936
 937             /* This is in document coordinates, i.e. pixels */
 938             if ( dbox ) {
 939                 NRGC gc(NULL);
 940                 /* Update to renderable state */
 941                 double sf = 1.0;
 942                 nr_arena_item_set_transform(root, (Geom::Matrix)Geom::Scale(sf, sf));
 943                 gc.transform.setIdentity();
 944                 nr_arena_item_invoke_update( root, NULL, &gc,
 945                                              NR_ARENA_ITEM_STATE_ALL,
 946                                              NR_ARENA_ITEM_STATE_NONE );
 947                 /* Item integer bbox in points */
 948                 NRRectL ibox;
 949                 ibox.x0 = (int) floor(sf * dbox->min()[Geom::X] + 0.5);
 950                 ibox.y0 = (int) floor(sf * dbox->min()[Geom::Y] + 0.5);
 951                 ibox.x1 = (int) floor(sf * dbox->max()[Geom::X] + 0.5);
 952                 ibox.y1 = (int) floor(sf * dbox->max()[Geom::Y] + 0.5);
 953
 954                 if ( dump ) {
 955                     g_message( "   box    --'%s'  (%f,%f)-(%f,%f)", name, (double)ibox.x0, (double)ibox.y0, (double)ibox.x1, (double)ibox.y1 );
 956                 }
 957
 958                 /* Find button visible area */
 959                 int width = ibox.x1 - ibox.x0;
 960                 int height = ibox.y1 - ibox.y0;
 961
 962                 if ( dump ) {
 963                     g_message( "   vis    --'%s'  (%d,%d)", name, width, height );
 964                 }
 965
 966                 {
 967                     int block = std::max(width, height);
 968                     if (block != static_cast<int>(psize) ) {
 969                         if ( dump ) {
 970                             g_message("      resizing" );
 971                         }
 972                         sf = (double)psize / (double)block;
 973
 974                         nr_arena_item_set_transform(root, (Geom::Matrix)Geom::Scale(sf, sf));
 975                         gc.transform.setIdentity();
 976                         nr_arena_item_invoke_update( root, NULL, &gc,
 977                                                      NR_ARENA_ITEM_STATE_ALL,
 978                                                      NR_ARENA_ITEM_STATE_NONE );
 979                         /* Item integer bbox in points */
 980                         ibox.x0 = (int) floor(sf * dbox->min()[Geom::X] + 0.5);
 981                         ibox.y0 = (int) floor(sf * dbox->min()[Geom::Y] + 0.5);
 982                         ibox.x1 = (int) floor(sf * dbox->max()[Geom::X] + 0.5);
 983                         ibox.y1 = (int) floor(sf * dbox->max()[Geom::Y] + 0.5);
 984
 985                         if ( dump ) {
 986                             g_message( "   box2   --'%s'  (%f,%f)-(%f,%f)", name, (double)ibox.x0, (double)ibox.y0, (double)ibox.x1, (double)ibox.y1 );
 987                         }
 988
 989                         /* Find button visible area */
 990                         width = ibox.x1 - ibox.x0;
 991                         height = ibox.y1 - ibox.y0;
 992                         if ( dump ) {
 993                             g_message( "   vis2   --'%s'  (%d,%d)", name, width, height );
 994                         }
 995                     }
 996                 }
 997
 998                 int dx, dy;
 999                 //dx = (psize - width) / 2;
1000                 //dy = (psize - height) / 2;
1001                 dx=dy=psize;
1002                 dx=(dx-width)/2; // watch out for psize, since 'unsigned'-'signed' can cause problems if the result is negative
1003                 dy=(dy-height)/2;
1004                 NRRectL area;
1005                 area.x0 = ibox.x0 - dx;
1006                 area.y0 = ibox.y0 - dy;
1007                 area.x1 = area.x0 + psize;
1008                 area.y1 = area.y0 + psize;
1009                 /* Actual renderable area */
1010                 NRRectL ua;
1011                 ua.x0 = MAX(ibox.x0, area.x0);
1012                 ua.y0 = MAX(ibox.y0, area.y0);
1013                 ua.x1 = MIN(ibox.x1, area.x1);
1014                 ua.y1 = MIN(ibox.y1, area.y1);
1015
1016                 if ( dump ) {
1017                     g_message( "   area   --'%s'  (%f,%f)-(%f,%f)", name, (double)area.x0, (double)area.y0, (double)area.x1, (double)area.y1 );
1018                     g_message( "   ua     --'%s'  (%f,%f)-(%f,%f)", name, (double)ua.x0, (double)ua.y0, (double)ua.x1, (double)ua.y1 );
1019                 }
1020                 /* Set up pixblock */
1021                 px = g_new(guchar, 4 * psize * psize);
1022                 memset(px, 0x00, 4 * psize * psize);
1023                 /* Render */
1024                 NRPixBlock B;
1025                 nr_pixblock_setup_extern( &B, NR_PIXBLOCK_MODE_R8G8B8A8N,
1026                                           ua.x0, ua.y0, ua.x1, ua.y1,
1027                                           px + 4 * psize * (ua.y0 - area.y0) +
1028                                           4 * (ua.x0 - area.x0),
1029                                           4 * psize, FALSE, FALSE );
1030                 nr_arena_item_invoke_render(NULL, root, &ua, &B,
1031                                              NR_ARENA_ITEM_RENDER_NO_CACHE );
1032                 nr_pixblock_release(&B);
1033
1034                 bool useOverlay = prefs->getBool("/debug/icons/overlaySvg");
1035                 if ( useOverlay ) {
1036                     sp_icon_overlay_pixels( px, psize, psize, 4 * psize, 0x00, 0x00, 0xff );
1037                 }
1038             }
1039         }
1040     }
1041
1042     return px;
1043 } // end of sp_icon_doc_icon()
1044
1045
1046
1047 struct svg_doc_cache_t
1048 {
1049     SPDocument *doc;
1050     NRArenaItem *root;
1051 };
1052
1053 static std::map<Glib::ustring, svg_doc_cache_t *> doc_cache;
1054 static std::map<Glib::ustring, GdkPixbuf *> pb_cache;
1055
1056 Glib::ustring icon_cache_key(gchar const *name, unsigned psize)
1057 {
1058     Glib::ustring key=name;
1059     key += ":";
1060     key += psize;
1061     return key;
1062 }
1063
1064 GdkPixbuf *get_cached_pixbuf(Glib::ustring const &key) {
1065     std::map<Glib::ustring, GdkPixbuf *>::iterator found = pb_cache.find(key);
1066     if ( found != pb_cache.end() ) {
1067         return found->second;
1068     }
1069     return NULL;
1070 }
1071
1072 static std::list<gchar*> &icons_svg_paths()
1073 {
1074     static std::list<gchar *> sources;
1075     static bool initialized = false;
1076     if (!initialized) {
1077         // Fall back from user prefs dir into system locations.
1078         gchar *userdir = profile_path("icons");
1079         sources.push_back(g_build_filename(userdir,"icons.svg", NULL));
1080         sources.push_back(g_build_filename(INKSCAPE_PIXMAPDIR, "icons.svg", NULL));
1081         g_free(userdir);
1082         initialized = true;
1083     }
1084     return sources;
1085 }
1086
1087 // this function renders icons from icons.svg and returns the pixels.
1088 static guchar *load_svg_pixels(gchar const *name,
1089                                unsigned /*lsize*/, unsigned psize)
1090 {
1091     SPDocument *doc = NULL;
1092     NRArenaItem *root = NULL;
1093     svg_doc_cache_t *info = NULL;
1094
1095     std::list<gchar *> &sources = icons_svg_paths();
1096
1097     // Try each document in turn until we successfully load the icon from one
1098     guchar *px=NULL;
1099     for (std::list<gchar*>::iterator i = sources.begin(); i != sources.end() && !px; ++i) {
1100         gchar *doc_filename = *i;
1101
1102         // Did we already load this doc?
1103         Glib::ustring key(doc_filename);
1104         info = 0;
1105         {
1106             std::map<Glib::ustring, svg_doc_cache_t *>::iterator i = doc_cache.find(key);
1107             if ( i != doc_cache.end() ) {
1108                 info = i->second;
1109             }
1110         }
1111
1112         /* Try to load from document. */
1113         if (!info &&
1114             Inkscape::IO::file_test( doc_filename, G_FILE_TEST_IS_REGULAR ) &&
1115             (doc = sp_document_new( doc_filename, FALSE )) ) {
1116
1117             //g_message("Loaded icon file %s", doc_filename);
1118             // prep the document
1119             sp_document_ensure_up_to_date(doc);
1120             /* Create new arena */
1121             NRArena *arena = NRArena::create();
1122             /* Create ArenaItem and set transform */
1123             unsigned visionkey = sp_item_display_key_new(1);
1124             /* fixme: Memory manage root if needed (Lauris) */
1125             root = sp_item_invoke_show( SP_ITEM(SP_DOCUMENT_ROOT(doc)),
1126                                         arena, visionkey, SP_ITEM_SHOW_DISPLAY );
1127
1128             // store into the cache
1129             info = new svg_doc_cache_t;
1130             g_assert(info);
1131
1132             info->doc=doc;
1133             info->root=root;
1134             doc_cache[key]=info;
1135         }
1136         if (info) {
1137             doc=info->doc;
1138             root=info->root;
1139         }
1140
1141         // move on to the next document if we couldn't get anything
1142         if (!info && !doc) {
1143             continue;
1144         }
1145
1146         px = sp_icon_doc_icon( doc, root, name, psize );
1147 //         if (px) {
1148 //             g_message("Found icon %s in %s", name, doc_filename);
1149 //         }
1150     }
1151
1152 //     if (!px) {
1153 //         g_message("Not found icon %s", name);
1154 //     }
1155     return px;
1156 }
1157
1158 static void addToIconSet(GdkPixbuf* pb, gchar const* name, GtkIconSize lsize, unsigned psize) {
1159     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
1160     static bool dump = prefs->getBool("/debug/icons/dumpGtk");
1161     GtkStockItem stock;
1162     gboolean stockFound = gtk_stock_lookup( name, &stock );
1163     if ( !stockFound ) {
1164         Gtk::IconTheme::add_builtin_icon( name, psize, Glib::wrap(pb) );
1165         if (dump) {
1166             g_message("    set in a builtin for %s:%d:%d", name, lsize, psize);
1167         }
1168     }
1169 }
1170
1171 void Inkscape::queueIconPrerender( Glib::ustring const &name, Inkscape::IconSize lsize )
1172 {
1173     GtkStockItem stock;
1174     gboolean stockFound = gtk_stock_lookup( name.c_str(), &stock );
1175     if (!stockFound && !gtk_icon_theme_has_icon(gtk_icon_theme_get_default(), name.c_str()) ) {
1176         gint trySize = CLAMP( static_cast<gint>(lsize), 0, static_cast<gint>(G_N_ELEMENTS(iconSizeLookup) - 1) );
1177         if ( !sizeMapDone ) {
1178             injectCustomSize();
1179         }
1180         GtkIconSize mappedSize = iconSizeLookup[trySize];
1181
1182         int psize = sp_icon_get_phys_size(lsize);
1183         // TODO place in a queue that is triggered by other map events
1184         prerender_icon(name.c_str(), mappedSize, psize);
1185     }
1186 }
1187
1188 // returns true if icon needed preloading, false if nothing was done
1189 bool prerender_icon(gchar const *name, GtkIconSize lsize, unsigned psize)
1190 {
1191     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
1192     static bool dump = prefs->getBool("/debug/icons/dumpGtk");
1193
1194     Glib::ustring key = icon_cache_key(name, psize);
1195     GdkPixbuf *pb = get_cached_pixbuf(key);
1196     if (pb) {
1197         return false;
1198     } else {
1199         GtkIconTheme* theme = gtk_icon_theme_get_default();
1200         if ( gtk_icon_theme_has_icon(theme, name) ) {
1201             gint *sizeArray = gtk_icon_theme_get_icon_sizes( theme, name );
1202             for (gint* cur = sizeArray; *cur; cur++) {
1203                 if (static_cast<gint>(psize) == *cur) {
1204                     pb = gtk_icon_theme_load_icon( theme, name, psize,
1205                                                    (GtkIconLookupFlags) 0, NULL );
1206                     break;
1207                 }
1208             }
1209             g_free(sizeArray);
1210             sizeArray = 0;
1211         }
1212         if (!pb) {
1213             if (dump) {
1214                 g_message("prerender_icon  [%s] %d:%d", name, lsize, psize);
1215             }
1216             guchar* px = load_svg_pixels(name, lsize, psize);
1217             if ( !px ) {
1218                 // check for a fallback name
1219                 if ( legacyNames.find(name) != legacyNames.end() ) {
1220                     if ( dump ) {
1221                         g_message("load_svg_pixels([%s]=%s, %d, %d)", name, legacyNames[name].c_str(), lsize, psize);
1222                     }
1223                     px = load_svg_pixels(legacyNames[name].c_str(), lsize, psize);
1224                 }
1225             }
1226             if (px) {
1227                 pb = gdk_pixbuf_new_from_data(px, GDK_COLORSPACE_RGB, TRUE, 8,
1228                                               psize, psize, psize * 4,
1229                                               (GdkPixbufDestroyNotify)g_free, NULL);
1230             } else if (dump) {
1231                 g_message("XXXXXXXXXXXXXXXXXXXXXXXXXXXXX  error!!! pixels not found for '%s'", name);
1232             }
1233         }
1234         else if (dump) {
1235             g_message("prerender_icon  [%s] %d NOT!!!!!!", name, psize);
1236         }
1237
1238         if (pb) {
1239             pb_cache[key] = pb;
1240             addToIconSet(pb, name, lsize, psize);
1241         }
1242         return true;
1243     }
1244 }
1245
1246 static GdkPixbuf *sp_icon_image_load_svg(gchar const *name, GtkIconSize lsize, unsigned psize)
1247 {
1248     Glib::ustring key = icon_cache_key(name, psize);
1249
1250     // did we already load this icon at this scale/size?
1251     GdkPixbuf* pb = get_cached_pixbuf(key);
1252     if (!pb) {
1253         guchar *px = load_svg_pixels(name, lsize, psize);
1254         if (px) {
1255             pb = gdk_pixbuf_new_from_data(px, GDK_COLORSPACE_RGB, TRUE, 8,
1256                                           psize, psize, psize * 4,
1257                                           (GdkPixbufDestroyNotify)g_free, NULL);
1258             pb_cache[key] = pb;
1259             addToIconSet(pb, name, lsize, psize);
1260         }
1261     }
1262
1263     if ( pb ) {
1264         // increase refcount since we're handing out ownership
1265         g_object_ref(G_OBJECT(pb));
1266     }
1267     return pb;
1268 }
1269
1270 void sp_icon_overlay_pixels(guchar *px, int width, int height, int stride,
1271                             unsigned r, unsigned g, unsigned b)
1272 {
1273     int bytesPerPixel = 4;
1274     int spacing = 4;
1275     for ( int y = 0; y < height; y += spacing ) {
1276         guchar *ptr = px + y * stride;
1277         for ( int x = 0; x < width; x += spacing ) {
1278             *(ptr++) = r;
1279             *(ptr++) = g;
1280             *(ptr++) = b;
1281             *(ptr++) = 0xff;
1282
1283             ptr += bytesPerPixel * (spacing - 1);
1284         }
1285     }
1286
1287     if ( width > 1 && height > 1 ) {
1288         // point at the last pixel
1289         guchar *ptr = px + ((height-1) * stride) + ((width - 1) * bytesPerPixel);
1290
1291         if ( width > 2 ) {
1292             px[4] = r;
1293             px[5] = g;
1294             px[6] = b;
1295             px[7] = 0xff;
1296
1297             ptr[-12] = r;
1298             ptr[-11] = g;
1299             ptr[-10] = b;
1300             ptr[-9] = 0xff;
1301         }
1302
1303         ptr[-4] = r;
1304         ptr[-3] = g;
1305         ptr[-2] = b;
1306         ptr[-1] = 0xff;
1307
1308         px[0 + stride] = r;
1309         px[1 + stride] = g;
1310         px[2 + stride] = b;
1311         px[3 + stride] = 0xff;
1312
1313         ptr[0 - stride] = r;
1314         ptr[1 - stride] = g;
1315         ptr[2 - stride] = b;
1316         ptr[3 - stride] = 0xff;
1317
1318         if ( height > 2 ) {
1319             ptr[0 - stride * 3] = r;
1320             ptr[1 - stride * 3] = g;
1321             ptr[2 - stride * 3] = b;
1322             ptr[3 - stride * 3] = 0xff;
1323         }
1324     }
1325 }
1326
1327 class preRenderItem
1328 {
1329 public:
1330     preRenderItem( GtkIconSize lsize, gchar const *name ) :
1331         _lsize( lsize ),
1332         _name( name )
1333     {}
1334     GtkIconSize _lsize;
1335     Glib::ustring _name;
1336 };
1337
1338
1339 static std::vector<preRenderItem> pendingRenders;
1340 static bool callbackHooked = false;
1341
1342 static void addPreRender( GtkIconSize lsize, gchar const *name )
1343 {
1344     if ( !callbackHooked )
1345     {
1346         callbackHooked = true;
1347         g_idle_add_full( G_PRIORITY_LOW, &icon_prerender_task, NULL, NULL );
1348     }
1349
1350     pendingRenders.push_back(preRenderItem(lsize, name));
1351 }
1352
1353 gboolean icon_prerender_task(gpointer /*data*/) {
1354     if (!pendingRenders.empty()) {
1355         bool workDone = false;
1356         do {
1357             preRenderItem single = pendingRenders.front();
1358             pendingRenders.erase(pendingRenders.begin());
1359             int psize = sp_icon_get_phys_size(single._lsize);
1360             workDone = prerender_icon(single._name.c_str(), single._lsize, psize);
1361         } while (!pendingRenders.empty() && !workDone);
1362     }
1363
1364     if (!pendingRenders.empty()) {
1365         return TRUE;
1366     } else {
1367         callbackHooked = false;
1368         return FALSE;
1369     }
1370 }
1371
1372
1373 void imageMapCB(GtkWidget* widget, gpointer user_data) {
1374     gchar* id = 0;
1375     GtkIconSize size = GTK_ICON_SIZE_INVALID;
1376     gtk_image_get_stock(GTK_IMAGE(widget), &id, &size);
1377     GtkIconSize lsize = static_cast<GtkIconSize>(GPOINTER_TO_INT(user_data));
1378     if ( id ) {
1379         int psize = sp_icon_get_phys_size(lsize);
1380         g_message("imageMapCB(%p) for [%s]:%d:%d", widget, id, lsize, psize);
1381         for ( std::vector<preRenderItem>::iterator it = pendingRenders.begin(); it != pendingRenders.end(); ++it ) {
1382             if ( (it->_name == id) && (it->_lsize == lsize) ) {
1383                 prerender_icon(id, lsize, psize);
1384                 pendingRenders.erase(it);
1385                 g_message("    prerender for %s:%d:%d", id, lsize, psize);
1386                 if (lsize != size) {
1387                     int psize = sp_icon_get_phys_size(size);
1388                     prerender_icon(id, size, psize);
1389                 }
1390                 break;
1391             }
1392         }
1393     }
1394
1395     g_signal_handlers_disconnect_by_func(widget, (gpointer)imageMapCB, user_data);
1396 }
1397
1398 static void imageMapNamedCB(GtkWidget* widget, gpointer user_data) {
1399     GtkImage* img = GTK_IMAGE(widget);
1400     gchar const* iconName = 0;
1401     GtkIconSize size = GTK_ICON_SIZE_INVALID;
1402     gtk_image_get_icon_name(img, &iconName, &size);
1403     if ( iconName ) {
1404         GtkImageType type = gtk_image_get_storage_type( GTK_IMAGE(img) );
1405         if ( type == GTK_IMAGE_ICON_NAME ) {
1406
1407             gint iconSize = 0;
1408             gchar* iconName = 0;
1409             {
1410                 g_object_get(G_OBJECT(widget),
1411                              "icon-name", &iconName,
1412                              "icon-size", &iconSize,
1413                              NULL);
1414             }
1415
1416             for ( std::vector<preRenderItem>::iterator it = pendingRenders.begin(); it != pendingRenders.end(); ++it ) {
1417                 if ( (it->_name == iconName) && (it->_lsize == size) ) {
1418                     int psize = sp_icon_get_phys_size(size);
1419                     prerender_icon(iconName, size, psize);
1420                     pendingRenders.erase(it);
1421                     break;
1422                 }
1423             }
1424
1425             gtk_image_set_from_icon_name(img, "", (GtkIconSize)iconSize);
1426             gtk_image_set_from_icon_name(img, iconName, (GtkIconSize)iconSize);
1427         } else {
1428             g_warning("UNEXPECTED TYPE of %d", (int)type);
1429         }
1430     }
1431
1432     g_signal_handlers_disconnect_by_func(widget, (gpointer)imageMapNamedCB, user_data);
1433 }
1434
1435
1436 /*
1437   Local Variables:
1438   mode:c++
1439   c-file-style:"stroustrup"
1440   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1441   indent-tabs-mode:nil
1442   fill-column:99
1443   End:
1444 */
1445 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :