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 Glib::RefPtr<Gtk::IconFactory> inkyIcons;
  93 static std::map<Glib::ustring, std::vector<IconCacheItem> > iconSetCache;
  94
  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
 101
 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 }
 120
 121 static void
 122 sp_icon_class_init(SPIconClass *klass)
 123 {
 124     GObjectClass *object_class;
 125     GtkWidgetClass *widget_class;
 126
 127     object_class = (GObjectClass *) klass;
 128     widget_class = (GtkWidgetClass *) klass;
 129
 130     parent_class = (GtkWidgetClass*)g_type_class_peek_parent(klass);
 131
 132     object_class->dispose = sp_icon_dispose;
 133
 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 }
 140
 141
 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 }
 151
 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     }
 161
 162     ((GObjectClass *) (parent_class))->dispose(object);
 163 }
 164
 165 static void sp_icon_reset( SPIcon *icon ) {
 166     icon->psize = 0;
 167     sp_icon_clear(icon);
 168 }
 169
 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 }
 176
 177 static void
 178 sp_icon_size_request(GtkWidget *widget, GtkRequisition *requisition)
 179 {
 180     SPIcon const *icon = SP_ICON(widget);
 181
 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 }
 188
 189 static void
 190 sp_icon_size_allocate(GtkWidget *widget, GtkAllocation *allocation)
 191 {
 192     widget->allocation = *allocation;
 193
 194     if (GTK_WIDGET_DRAWABLE(widget)) {
 195         gtk_widget_queue_draw(widget);
 196     }
 197 }
 198
 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         }
 206
 207         sp_icon_paint(SP_ICON(widget), &event->area);
 208     }
 209
 210     return TRUE;
 211 }
 212
 213 static GdkPixbuf* renderup( gchar const* name, Inkscape::IconSize lsize, unsigned psize );
 214
 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 }
 225
 226 static GdkPixbuf* renderup( gchar const* name, Inkscape::IconSize lsize, unsigned psize ) {
 227     GtkIconTheme *theme = gtk_icon_theme_get_default();
 228
 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         }
 241
 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 }
 256
 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 }
 265
 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 }
 274
 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 }
 282
 283
 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);
 290
 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 }
 545
 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");
 551
 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];
 558
 559     GtkStockItem stock;
 560     gboolean stockFound = gtk_stock_lookup( name, &stock );
 561
 562     GtkWidget *img = 0;
 563     if ( legacyNames.empty() ) {
 564         setupLegacyNaming();
 565     }
 566
 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     }
 577
 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 );
 585
 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;
 600
 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 //             }
 606
 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) );
 609
 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     }
 624
 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);
 631
 632         widget = GTK_WIDGET(icon);
 633     }
 634
 635     return widget;
 636 }
 637
 638 GtkWidget *
 639 sp_icon_new( Inkscape::IconSize lsize, gchar const *name )
 640 {
 641     return sp_icon_new_full( lsize, name );
 642 }
 643
 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() );
 649
 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     }
 658
 659     return result;
 660 }
 661
 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 }
 675
 676
 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     }
 704
 705     static bool hit = false;
 706     if ( !hit ) {
 707         hit = true;
 708         inkyIcons = Gtk::IconFactory::create();
 709         inkyIcons->add_default();
 710     }
 711 }
 712
 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     }
 723
 724     return other;
 725 }
 726
 727
 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];
 734
 735     size = CLAMP( size, GTK_ICON_SIZE_MENU, Inkscape::ICON_SIZE_DECORATION );
 736
 737     if ( !sizeMapDone ) {
 738         injectCustomSize();
 739     }
 740
 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;
 755
 756             g_assert( val_ix < G_N_ELEMENTS(vals) );
 757
 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     }
 765
 766     if ( !init ) {
 767         sizeDirty = false;
 768         Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 769         bool dump = prefs->getBool("/debug/icons/dumpDefault");
 770
 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         };
 796
 797         GtkWidget *icon = (GtkWidget *)g_object_new(SP_TYPE_ICON, NULL);
 798
 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;
 801
 802             g_assert( val_ix < G_N_ELEMENTS(vals) );
 803
 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                 }
 830
 831                 g_object_unref(G_OBJECT(pb));
 832             }
 833         }
 834         //g_object_unref(icon);
 835         init = true;
 836     }
 837
 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     }
 846
 847     return vals[size];
 848 }
 849
 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;
 855
 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     }
 867
 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     }
 880
 881     if (unref_image) {
 882         g_object_unref(G_OBJECT(image));
 883     }
 884 }
 885
 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     }
 916
 917     if (pb) {
 918         if (!gdk_pixbuf_get_has_alpha(pb)) {
 919             gdk_pixbuf_add_alpha(pb, FALSE, 0, 0, 0);
 920         }
 921
 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     }
 929
 930     return pb;
 931 }
 932
 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;
 941
 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);
 948
 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             }
 954
 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);
 971
 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                 }
 975
 976                 /* Find button visible area */
 977                 int width = ibox.x1 - ibox.x0;
 978                 int height = ibox.y1 - ibox.y0;
 979
 980                 if ( dump ) {
 981                     g_message( "   vis    --'%s'  (%d,%d)", name, width, height );
 982                 }
 983
 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;
 991
 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);
1002
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                         }
1006
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                 }
1015
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);
1033
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);
1051
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     }
1059
1060     return px;
1061 } // end of sp_icon_doc_icon()
1062
1063
1064
1065 struct svg_doc_cache_t
1066 {
1067     SPDocument *doc;
1068     NRArenaItem *root;
1069 };
1070
1071 static std::map<Glib::ustring, svg_doc_cache_t *> doc_cache;
1072 static std::map<Glib::ustring, GdkPixbuf *> pb_cache;
1073
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 }
1084
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 }
1092
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 }
1107
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;
1115
1116     std::list<gchar *> &sources = icons_svg_paths();
1117
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;
1122
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         }
1132
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 )) ) {
1137
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 );
1148
1149             // store into the cache
1150             info = new svg_doc_cache_t;
1151             g_assert(info);
1152
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         }
1161
1162         // move on to the next document if we couldn't get anything
1163         if (!info && !doc) {
1164             continue;
1165         }
1166
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     }
1172
1173 //     if (!px) {
1174 //         g_message("Not found icon %s", name);
1175 //     }
1176     return px;
1177 }
1178
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 }
1191
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     }
1203
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));
1214
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 }
1227
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");
1233
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         }
1277
1278         if (pb) {
1279             pb_cache[key] = pb;
1280             addToIconSet(pb, name, lsize, psize);
1281         }
1282         return true;
1283     }
1284 }
1285
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);
1289
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     }
1302
1303     if ( pb ) {
1304         // increase refcount since we're handing out ownership
1305         g_object_ref(G_OBJECT(pb));
1306     }
1307     return pb;
1308 }
1309
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;
1322
1323             ptr += bytesPerPixel * (spacing - 1);
1324         }
1325     }
1326
1327     if ( width > 1 && height > 1 ) {
1328         // point at the last pixel
1329         guchar *ptr = px + ((height-1) * stride) + ((width - 1) * bytesPerPixel);
1330
1331         if ( width > 2 ) {
1332             px[4] = r;
1333             px[5] = g;
1334             px[6] = b;
1335             px[7] = 0xff;
1336
1337             ptr[-12] = r;
1338             ptr[-11] = g;
1339             ptr[-10] = b;
1340             ptr[-9] = 0xff;
1341         }
1342
1343         ptr[-4] = r;
1344         ptr[-3] = g;
1345         ptr[-2] = b;
1346         ptr[-1] = 0xff;
1347
1348         px[0 + stride] = r;
1349         px[1 + stride] = g;
1350         px[2 + stride] = b;
1351         px[3 + stride] = 0xff;
1352
1353         ptr[0 - stride] = r;
1354         ptr[1 - stride] = g;
1355         ptr[2 - stride] = b;
1356         ptr[3 - stride] = 0xff;
1357
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 }
1366
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 };
1377
1378
1379 static std::vector<preRenderItem> pendingRenders;
1380 static bool callbackHooked = false;
1381
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     }
1389
1390     pendingRenders.push_back(preRenderItem(lsize, name));
1391 }
1392
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     }
1403
1404     if (!pendingRenders.empty()) {
1405         return TRUE;
1406     } else {
1407         callbackHooked = false;
1408         return FALSE;
1409     }
1410 }
1411
1412
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     }
1434
1435     g_signal_handlers_disconnect_by_func(widget, (gpointer)imageMapCB, user_data);
1436 }
1437
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 ) {
1446
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             }
1467
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             }
1476
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     }
1483
1484     g_signal_handlers_disconnect_by_func(widget, (gpointer)imageMapNamedCB, user_data);
1485 }
1486
1487
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 :