1 /*
2 * A simple panel for color swatches
3 *
4 * Authors:
5 * Jon A. Cruz
6 *
7 * Copyright (C) 2005 Jon A. Cruz
8 *
9 * Released under GNU GPL, read the file 'COPYING' for more information
10 */
11 #ifdef HAVE_CONFIG_H
12 # include <config.h>
13 #endif
15 #include <errno.h>
17 #include <gtk/gtkdialog.h> //for GTK_RESPONSE* types
18 #include <gtk/gtkdnd.h>
20 #include <glibmm/i18n.h>
21 #include <gdkmm/pixbuf.h>
22 #include "inkscape.h"
23 #include "document.h"
24 #include "desktop-handles.h"
25 #include "extension/db.h"
26 #include "inkscape.h"
27 #include "svg/svg-color.h"
28 #include "desktop-style.h"
29 #include "io/sys.h"
30 #include "path-prefix.h"
31 #include "swatches.h"
32 #include "sp-item.h"
33 #include "prefs-utils.h"
35 #include "eek-preview.h"
37 namespace Inkscape {
38 namespace UI {
39 namespace Dialogs {
41 SwatchesPanel* SwatchesPanel::instance = 0;
44 ColorItem::ColorItem( unsigned int r, unsigned int g, unsigned int b, Glib::ustring& name ) :
45 def( r, g, b, name ),
46 _isLive(false),
47 _linkIsTone(false),
48 _linkPercent(0),
49 _linkGray(0),
50 _linkSrc(0)
51 {
52 }
54 ColorItem::~ColorItem()
55 {
56 }
58 ColorItem::ColorItem(ColorItem const &other) :
59 Inkscape::UI::Previewable()
60 {
61 if ( this != &other ) {
62 *this = other;
63 }
64 }
66 ColorItem &ColorItem::operator=(ColorItem const &other)
67 {
68 if ( this != &other ) {
69 def = other.def;
71 // TODO - correct linkage
72 _linkSrc = other._linkSrc;
73 g_message("Erk!");
74 }
75 return *this;
76 }
79 class JustForNow
80 {
81 public:
82 JustForNow() : _prefWidth(0) {}
84 Glib::ustring _name;
85 int _prefWidth;
86 std::vector<ColorItem*> _colors;
87 };
89 static std::vector<JustForNow*> possible;
93 typedef enum {
94 APP_X_INKY_COLOR_ID = 0,
95 APP_X_INKY_COLOR = 0,
96 APP_X_COLOR,
97 TEXT_DATA
98 } colorFlavorType;
100 static const GtkTargetEntry sourceColorEntries[] = {
101 #if ENABLE_MAGIC_COLORS
102 // {"application/x-inkscape-color-id", GTK_TARGET_SAME_APP, APP_X_INKY_COLOR_ID},
103 {"application/x-inkscape-color", 0, APP_X_INKY_COLOR},
104 #endif // ENABLE_MAGIC_COLORS
105 {"application/x-color", 0, APP_X_COLOR},
106 {"text/plain", 0, TEXT_DATA},
107 };
109 void ColorItem::_dragGetColorData( GtkWidget *widget,
110 GdkDragContext *drag_context,
111 GtkSelectionData *data,
112 guint info,
113 guint time,
114 gpointer user_data)
115 {
116 static GdkAtom typeXColor = gdk_atom_intern("application/x-color", FALSE);
117 static GdkAtom typeText = gdk_atom_intern("text/plain", FALSE);
119 ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
120 if ( info == TEXT_DATA ) {
121 gchar* tmp = g_strdup_printf("#%02x%02x%02x", item->def.getR(), item->def.getG(), item->def.getB() );
123 gtk_selection_data_set( data,
124 typeText,
125 8, // format
126 (guchar*)tmp,
127 strlen((const char*)tmp) + 1);
128 g_free(tmp);
129 tmp = 0;
130 } else if ( info == APP_X_INKY_COLOR ) {
131 Glib::ustring paletteName;
133 // Find where this thing came from
134 bool found = false;
135 int index = 0;
136 for ( std::vector<JustForNow*>::iterator it = possible.begin(); it != possible.end() && !found; ++it ) {
137 JustForNow* curr = *it;
138 index = 0;
139 for ( std::vector<ColorItem*>::iterator zz = curr->_colors.begin(); zz != curr->_colors.end(); ++zz ) {
140 if ( item == *zz ) {
141 found = true;
142 paletteName = curr->_name;
143 break;
144 } else {
145 index++;
146 }
147 }
148 }
150 // if ( found ) {
151 // g_message("Found the color at entry %d in palette '%s'", index, paletteName.c_str() );
152 // } else {
153 // g_message("Unable to find the color");
154 // }
155 int itemCount = 4 + 2 + 1 + paletteName.length();
157 guint16* tmp = new guint16[itemCount];
158 tmp[0] = (item->def.getR() << 8) | item->def.getR();
159 tmp[1] = (item->def.getG() << 8) | item->def.getG();
160 tmp[2] = (item->def.getB() << 8) | item->def.getB();
161 tmp[3] = 0xffff;
162 tmp[4] = (item->_isLive || !item->_listeners.empty() || (item->_linkSrc != 0) ) ? 1 : 0;
164 tmp[5] = index;
165 tmp[6] = paletteName.length();
166 for ( unsigned int i = 0; i < paletteName.length(); i++ ) {
167 tmp[7 + i] = paletteName[i];
168 }
169 gtk_selection_data_set( data,
170 typeXColor,
171 16, // format
172 reinterpret_cast<const guchar*>(tmp),
173 itemCount * 2);
174 delete[] tmp;
175 } else {
176 guint16 tmp[4];
177 tmp[0] = (item->def.getR() << 8) | item->def.getR();
178 tmp[1] = (item->def.getG() << 8) | item->def.getG();
179 tmp[2] = (item->def.getB() << 8) | item->def.getB();
180 tmp[3] = 0xffff;
181 gtk_selection_data_set( data,
182 typeXColor,
183 16, // format
184 reinterpret_cast<const guchar*>(tmp),
185 (3+1) * 2);
186 }
187 }
189 static void dragBegin( GtkWidget *widget, GdkDragContext* dc, gpointer data )
190 {
191 ColorItem* item = reinterpret_cast<ColorItem*>(data);
192 if ( item )
193 {
194 Glib::RefPtr<Gdk::Pixbuf> thumb = Gdk::Pixbuf::create( Gdk::COLORSPACE_RGB, false, 8, 32, 24 );
195 guint32 fillWith = (0xff000000 & (item->def.getR() << 24))
196 | (0x00ff0000 & (item->def.getG() << 16))
197 | (0x0000ff00 & (item->def.getB() << 8));
198 thumb->fill( fillWith );
199 gtk_drag_set_icon_pixbuf( dc, thumb->gobj(), 0, 0 );
200 }
202 }
204 //"drag-drop"
205 // gboolean dragDropColorData( GtkWidget *widget,
206 // GdkDragContext *drag_context,
207 // gint x,
208 // gint y,
209 // guint time,
210 // gpointer user_data)
211 // {
212 // // TODO finish
214 // return TRUE;
215 // }
217 static gboolean onButtonPressed (GtkWidget *widget, GdkEventButton *event, gpointer userdata)
218 {
219 /* single click with the right mouse button? */
220 if(event->type == GDK_BUTTON_RELEASE)
221 {
222 ColorItem* item = reinterpret_cast<ColorItem*>(userdata);
223 if(item)
224 {
225 if (event->button == 1)
226 {
227 if(event->state & GDK_SHIFT_MASK)
228 item->buttonClicked(true); /* the button was pressed with shift held down. set the stroke */
229 else item->buttonClicked(false);
230 return TRUE; /* we handled this */
231 }
232 else if (event->button == 3)
233 {
234 item->buttonClicked(true);
235 return TRUE; /* we handled this */
236 }
237 }
238 }
240 return FALSE; /* we did not handle this */
241 }
243 static void dieDieDie( GtkObject *obj, gpointer user_data )
244 {
245 g_message("die die die %p %p", obj, user_data );
246 }
248 static const GtkTargetEntry destColorTargets[] = {
249 #if ENABLE_MAGIC_COLORS
250 // {"application/x-inkscape-color-id", GTK_TARGET_SAME_APP, APP_X_INKY_COLOR_ID},
251 {"application/x-inkscape-color", 0, APP_X_INKY_COLOR},
252 #endif // ENABLE_MAGIC_COLORS
253 {"application/x-color", 0, APP_X_COLOR},
254 };
256 #include "color.h" // for SP_RGBA32_U_COMPOSE
258 void ColorItem::_dropDataIn( GtkWidget *widget,
259 GdkDragContext *drag_context,
260 gint x, gint y,
261 GtkSelectionData *data,
262 guint info,
263 guint event_time,
264 gpointer user_data)
265 {
266 // g_message(" droppy droppy %d", info);
267 switch (info) {
268 case APP_X_INKY_COLOR:
269 {
270 if ( data->length >= 8 ) {
271 // Careful about endian issues.
272 guint16* dataVals = (guint16*)data->data;
273 if ( user_data ) {
274 ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
275 if ( item->def.isEditable() ) {
276 // Shove on in the new value
277 item->def.setRGB( 0x0ff & (dataVals[0] >> 8), 0x0ff & (dataVals[1] >> 8), 0x0ff & (dataVals[2] >> 8) );
278 }
279 }
280 }
281 break;
282 }
283 case APP_X_COLOR:
284 {
285 if ( data->length == 8 ) {
286 // Careful about endian issues.
287 guint16* dataVals = (guint16*)data->data;
288 // {
289 // gchar c[64] = {0};
290 // sp_svg_write_color( c, 64,
291 // SP_RGBA32_U_COMPOSE(
292 // 0x0ff & (dataVals[0] >> 8),
293 // 0x0ff & (dataVals[1] >> 8),
294 // 0x0ff & (dataVals[2] >> 8),
295 // 0xff // can't have transparency in the color itself
296 // //0x0ff & (data->data[3] >> 8),
297 // ));
298 // }
299 if ( user_data ) {
300 ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
301 if ( item->def.isEditable() ) {
302 // Shove on in the new value
303 item->def.setRGB( 0x0ff & (dataVals[0] >> 8), 0x0ff & (dataVals[1] >> 8), 0x0ff & (dataVals[2] >> 8) );
304 }
305 }
306 }
307 break;
308 }
309 default:
310 g_message("unknown drop type");
311 }
313 }
315 static bool bruteForce( SPDocument* document, Inkscape::XML::Node* node, Glib::ustring const& match, int r, int g, int b )
316 {
317 bool changed = false;
319 if ( node ) {
320 gchar const * val = node->attribute("inkscape:x-fill-tag");
321 if ( val && (match == val) ) {
322 SPObject *obj = document->getObjectByRepr( node );
324 gchar c[64] = {0};
325 sp_svg_write_color( c, 64, SP_RGBA32_U_COMPOSE( r, g, b, 0xff ) );
326 SPCSSAttr *css = sp_repr_css_attr_new();
327 sp_repr_css_set_property( css, "fill", c );
329 sp_desktop_apply_css_recursive( (SPItem*)obj, css, true );
330 ((SPItem*)obj)->updateRepr();
332 changed = true;
333 }
335 val = node->attribute("inkscape:x-stroke-tag");
336 if ( val && (match == val) ) {
337 SPObject *obj = document->getObjectByRepr( node );
339 gchar c[64] = {0};
340 sp_svg_write_color( c, 64, SP_RGBA32_U_COMPOSE( r, g, b, 0xff ) );
341 SPCSSAttr *css = sp_repr_css_attr_new();
342 sp_repr_css_set_property( css, "stroke", c );
344 sp_desktop_apply_css_recursive( (SPItem*)obj, css, true );
345 ((SPItem*)obj)->updateRepr();
347 changed = true;
348 }
350 Inkscape::XML::Node* first = node->firstChild();
351 changed |= bruteForce( document, first, match, r, g, b );
353 changed |= bruteForce( document, node->next(), match, r, g, b );
354 }
356 return changed;
357 }
359 void ColorItem::_colorDefChanged(void* data)
360 {
361 ColorItem* item = reinterpret_cast<ColorItem*>(data);
362 if ( item ) {
363 for ( std::vector<Gtk::Widget*>::iterator it = item->_previews.begin(); it != item->_previews.end(); ++it ) {
364 Gtk::Widget* widget = *it;
365 if ( IS_EEK_PREVIEW(widget->gobj()) ) {
366 EekPreview * preview = EEK_PREVIEW(widget->gobj());
367 eek_preview_set_color( preview,
368 (item->def.getR() << 8) | item->def.getR(),
369 (item->def.getG() << 8) | item->def.getG(),
370 (item->def.getB() << 8) | item->def.getB() );
372 eek_preview_set_linked( preview, (LinkType)((item->_linkSrc ? PREVIEW_LINK_IN:0)
373 | (item->_listeners.empty() ? 0:PREVIEW_LINK_OUT)
374 | (item->_isLive ? PREVIEW_LINK_OTHER:0)) );
376 widget->queue_draw();
377 }
378 }
380 for ( std::vector<ColorItem*>::iterator it = item->_listeners.begin(); it != item->_listeners.end(); ++it ) {
381 guint r = item->def.getR();
382 guint g = item->def.getG();
383 guint b = item->def.getB();
385 if ( (*it)->_linkIsTone ) {
386 r = ( ((*it)->_linkPercent * (*it)->_linkGray) + ((100 - (*it)->_linkPercent) * r) ) / 100;
387 g = ( ((*it)->_linkPercent * (*it)->_linkGray) + ((100 - (*it)->_linkPercent) * g) ) / 100;
388 b = ( ((*it)->_linkPercent * (*it)->_linkGray) + ((100 - (*it)->_linkPercent) * b) ) / 100;
389 } else {
390 r = ( ((*it)->_linkPercent * 255) + ((100 - (*it)->_linkPercent) * r) ) / 100;
391 g = ( ((*it)->_linkPercent * 255) + ((100 - (*it)->_linkPercent) * g) ) / 100;
392 b = ( ((*it)->_linkPercent * 255) + ((100 - (*it)->_linkPercent) * b) ) / 100;
393 }
395 (*it)->def.setRGB( r, g, b );
396 }
399 // Look for objects using this color
400 {
401 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
402 if ( desktop ) {
403 SPDocument* document = sp_desktop_document( desktop );
404 Inkscape::XML::Node *rroot = sp_document_repr_root( document );
405 if ( rroot ) {
407 // Find where this thing came from
408 Glib::ustring paletteName;
409 bool found = false;
410 int index = 0;
411 for ( std::vector<JustForNow*>::iterator it2 = possible.begin(); it2 != possible.end() && !found; ++it2 ) {
412 JustForNow* curr = *it2;
413 index = 0;
414 for ( std::vector<ColorItem*>::iterator zz = curr->_colors.begin(); zz != curr->_colors.end(); ++zz ) {
415 if ( item == *zz ) {
416 found = true;
417 paletteName = curr->_name;
418 break;
419 } else {
420 index++;
421 }
422 }
423 }
425 if ( !paletteName.empty() ) {
426 gchar* str = g_strdup_printf("%d|", index);
427 paletteName.insert( 0, str );
428 g_free(str);
429 str = 0;
431 if ( bruteForce( document, rroot, paletteName, item->def.getR(), item->def.getG(), item->def.getB() ) ) {
432 sp_document_done( document , SP_VERB_DIALOG_SWATCHES,
433 _("Change color definition"));
434 }
435 }
436 }
437 }
438 }
439 }
440 }
443 Gtk::Widget* ColorItem::getPreview(PreviewStyle style, ViewType view, Inkscape::IconSize size)
444 {
445 Gtk::Widget* widget = 0;
446 if ( style == PREVIEW_STYLE_BLURB ) {
447 Gtk::Label *lbl = new Gtk::Label(def.descr);
448 lbl->set_alignment(Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER);
449 widget = lbl;
450 } else {
451 Glib::ustring blank(" ");
452 if ( size == Inkscape::ICON_SIZE_MENU || size == Inkscape::ICON_SIZE_DECORATION ) {
453 blank = " ";
454 }
456 GtkWidget* eekWidget = eek_preview_new();
457 EekPreview * preview = EEK_PREVIEW(eekWidget);
458 Gtk::Widget* newBlot = Glib::wrap(eekWidget);
460 eek_preview_set_color( preview, (def.getR() << 8) | def.getR(), (def.getG() << 8) | def.getG(), (def.getB() << 8) | def.getB());
462 eek_preview_set_details( preview, (::PreviewStyle)style, (::ViewType)view, (::GtkIconSize)size );
463 eek_preview_set_linked( preview, (LinkType)((_linkSrc ? PREVIEW_LINK_IN:0)
464 | (_listeners.empty() ? 0:PREVIEW_LINK_OUT)
465 | (_isLive ? PREVIEW_LINK_OTHER:0)) );
467 def.addCallback( _colorDefChanged, this );
469 GValue val = {0, {{0}, {0}}};
470 g_value_init( &val, G_TYPE_BOOLEAN );
471 g_value_set_boolean( &val, FALSE );
472 g_object_set_property( G_OBJECT(preview), "focus-on-click", &val );
474 /*
475 Gtk::Button *btn = new Gtk::Button(blank);
476 Gdk::Color color;
477 color.set_rgb((_r << 8)|_r, (_g << 8)|_g, (_b << 8)|_b);
478 btn->modify_bg(Gtk::STATE_NORMAL, color);
479 btn->modify_bg(Gtk::STATE_ACTIVE, color);
480 btn->modify_bg(Gtk::STATE_PRELIGHT, color);
481 btn->modify_bg(Gtk::STATE_SELECTED, color);
483 Gtk::Widget* newBlot = btn;
484 */
486 tips.set_tip((*newBlot), def.descr);
488 /*
489 newBlot->signal_clicked().connect( sigc::mem_fun(*this, &ColorItem::buttonClicked) );
491 sigc::signal<void> type_signal_something;
492 */
493 g_signal_connect( G_OBJECT(newBlot->gobj()),
494 "button-release-event",
495 G_CALLBACK(onButtonPressed),
496 this);
498 gtk_drag_source_set( GTK_WIDGET(newBlot->gobj()),
499 GDK_BUTTON1_MASK,
500 sourceColorEntries,
501 G_N_ELEMENTS(sourceColorEntries),
502 GdkDragAction(GDK_ACTION_MOVE | GDK_ACTION_COPY) );
504 g_signal_connect( G_OBJECT(newBlot->gobj()),
505 "drag-data-get",
506 G_CALLBACK(ColorItem::_dragGetColorData),
507 this);
509 g_signal_connect( G_OBJECT(newBlot->gobj()),
510 "drag-begin",
511 G_CALLBACK(dragBegin),
512 this );
514 // g_signal_connect( G_OBJECT(newBlot->gobj()),
515 // "drag-drop",
516 // G_CALLBACK(dragDropColorData),
517 // this);
519 if ( def.isEditable() )
520 {
521 gtk_drag_dest_set( GTK_WIDGET(newBlot->gobj()),
522 GTK_DEST_DEFAULT_ALL,
523 destColorTargets,
524 G_N_ELEMENTS(destColorTargets),
525 GdkDragAction(GDK_ACTION_COPY | GDK_ACTION_MOVE) );
528 g_signal_connect( G_OBJECT(newBlot->gobj()),
529 "drag-data-received",
530 G_CALLBACK(_dropDataIn),
531 this );
532 }
534 g_signal_connect( G_OBJECT(newBlot->gobj()),
535 "destroy",
536 G_CALLBACK(dieDieDie),
537 this);
540 widget = newBlot;
541 }
543 _previews.push_back( widget );
545 return widget;
546 }
548 void ColorItem::buttonClicked(bool secondary)
549 {
550 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
551 if (desktop) {
552 char const * attrName = secondary ? "stroke" : "fill";
553 guint32 rgba = (def.getR() << 24) | (def.getG() << 16) | (def.getB() << 8) | 0xff;
554 gchar c[64];
555 sp_svg_write_color(c, 64, rgba);
557 SPCSSAttr *css = sp_repr_css_attr_new();
558 sp_repr_css_set_property( css, attrName, c );
559 sp_desktop_set_style(desktop, css);
561 sp_repr_css_attr_unref(css);
562 sp_document_done (sp_desktop_document (desktop), SP_VERB_DIALOG_SWATCHES,
563 secondary? _("Set stroke color from swatch") : _("Set fill color from swatch"));
564 }
565 }
570 static char* trim( char* str ) {
571 char* ret = str;
572 while ( *str && (*str == ' ' || *str == '\t') ) {
573 str++;
574 }
575 ret = str;
576 while ( *str ) {
577 str++;
578 }
579 str--;
580 while ( str > ret && ( *str == ' ' || *str == '\t' ) || *str == '\r' || *str == '\n' ) {
581 *str-- = 0;
582 }
583 return ret;
584 }
586 void skipWhitespace( char*& str ) {
587 while ( *str == ' ' || *str == '\t' ) {
588 str++;
589 }
590 }
592 bool parseNum( char*& str, int& val ) {
593 val = 0;
594 while ( '0' <= *str && *str <= '9' ) {
595 val = val * 10 + (*str - '0');
596 str++;
597 }
598 bool retval = !(*str == 0 || *str == ' ' || *str == '\t' || *str == '\r' || *str == '\n');
599 return retval;
600 }
603 static bool getBlock( std::string& dst, guchar ch, std::string const str )
604 {
605 bool good = false;
606 std::string::size_type pos = str.find(ch);
607 if ( pos != std::string::npos )
608 {
609 std::string::size_type pos2 = str.find( '(', pos );
610 if ( pos2 != std::string::npos ) {
611 std::string::size_type endPos = str.find( ')', pos2 );
612 if ( endPos != std::string::npos ) {
613 dst = str.substr( pos2 + 1, (endPos - pos2 - 1) );
614 good = true;
615 }
616 }
617 }
618 return good;
619 }
621 static bool popVal( guint64& numVal, std::string& str )
622 {
623 bool good = false;
624 std::string::size_type endPos = str.find(',');
625 if ( endPos == std::string::npos ) {
626 endPos = str.length();
627 }
629 if ( endPos != std::string::npos && endPos > 0 ) {
630 std::string xxx = str.substr( 0, endPos );
631 const gchar* ptr = xxx.c_str();
632 gchar* endPtr = 0;
633 numVal = g_ascii_strtoull( ptr, &endPtr, 10 );
634 if ( (numVal == G_MAXUINT64) && (ERANGE == errno) ) {
635 // overflow
636 } else if ( (numVal == 0) && (endPtr == ptr) ) {
637 // failed conversion
638 } else {
639 good = true;
640 str.erase( 0, endPos + 1 );
641 }
642 }
644 return good;
645 }
647 void ColorItem::_wireMagicColors( void* p )
648 {
649 JustForNow* onceMore = reinterpret_cast<JustForNow*>(p);
650 if ( onceMore )
651 {
652 for ( std::vector<ColorItem*>::iterator it = onceMore->_colors.begin(); it != onceMore->_colors.end(); ++it )
653 {
654 std::string::size_type pos = (*it)->def.descr.find("*{");
655 if ( pos != std::string::npos )
656 {
657 std::string subby = (*it)->def.descr.substr( pos + 2 );
658 std::string::size_type endPos = subby.find("}*");
659 if ( endPos != std::string::npos )
660 {
661 subby.erase( endPos );
662 //g_message("FOUND MAGIC at '%s'", (*it)->def.descr.c_str());
663 //g_message(" '%s'", subby.c_str());
665 if ( subby.find('E') != std::string::npos )
666 {
667 (*it)->def.setEditable( true );
668 }
670 if ( subby.find('L') != std::string::npos )
671 {
672 (*it)->_isLive = true;
673 }
675 std::string part;
676 // Tint. index + 1 more val.
677 if ( getBlock( part, 'T', subby ) ) {
678 guint64 colorIndex = 0;
679 if ( popVal( colorIndex, part ) ) {
680 guint64 percent = 0;
681 if ( popVal( percent, part ) ) {
682 (*it)->_linkTint( *(onceMore->_colors[colorIndex]), percent );
683 }
684 }
685 }
687 // Shade/tone. index + 1 or 2 more val.
688 if ( getBlock( part, 'S', subby ) ) {
689 guint64 colorIndex = 0;
690 if ( popVal( colorIndex, part ) ) {
691 guint64 percent = 0;
692 if ( popVal( percent, part ) ) {
693 guint64 grayLevel = 0;
694 if ( !popVal( grayLevel, part ) ) {
695 grayLevel = 0;
696 }
697 (*it)->_linkTone( *(onceMore->_colors[colorIndex]), percent, grayLevel );
698 }
699 }
700 }
702 }
703 }
704 }
705 }
706 }
709 void ColorItem::_linkTint( ColorItem& other, int percent )
710 {
711 if ( !_linkSrc )
712 {
713 other._listeners.push_back(this);
714 _linkIsTone = false;
715 _linkPercent = percent;
716 if ( _linkPercent > 100 )
717 _linkPercent = 100;
718 if ( _linkPercent < 0 )
719 _linkPercent = 0;
720 _linkGray = 0;
721 _linkSrc = &other;
723 ColorItem::_colorDefChanged(&other);
724 }
725 }
727 void ColorItem::_linkTone( ColorItem& other, int percent, int grayLevel )
728 {
729 if ( !_linkSrc )
730 {
731 other._listeners.push_back(this);
732 _linkIsTone = true;
733 _linkPercent = percent;
734 if ( _linkPercent > 100 )
735 _linkPercent = 100;
736 if ( _linkPercent < 0 )
737 _linkPercent = 0;
738 _linkGray = grayLevel;
739 _linkSrc = &other;
741 ColorItem::_colorDefChanged(&other);
742 }
743 }
746 void _loadPaletteFile( gchar const *filename )
747 {
748 char block[1024];
749 FILE *f = Inkscape::IO::fopen_utf8name( filename, "r" );
750 if ( f ) {
751 char* result = fgets( block, sizeof(block), f );
752 if ( result ) {
753 if ( strncmp( "GIMP Palette", block, 12 ) == 0 ) {
754 bool inHeader = true;
755 bool hasErr = false;
757 JustForNow *onceMore = new JustForNow();
759 do {
760 result = fgets( block, sizeof(block), f );
761 block[sizeof(block) - 1] = 0;
762 if ( result ) {
763 if ( block[0] == '#' ) {
764 // ignore comment
765 } else {
766 char *ptr = block;
767 // very simple check for header versus entry
768 while ( *ptr == ' ' || *ptr == '\t' ) {
769 ptr++;
770 }
771 if ( *ptr == 0 ) {
772 // blank line. skip it.
773 } else if ( '0' <= *ptr && *ptr <= '9' ) {
774 // should be an entry link
775 inHeader = false;
776 ptr = block;
777 Glib::ustring name("");
778 int r = 0;
779 int g = 0;
780 int b = 0;
781 skipWhitespace(ptr);
782 if ( *ptr ) {
783 hasErr = parseNum(ptr, r);
784 if ( !hasErr ) {
785 skipWhitespace(ptr);
786 hasErr = parseNum(ptr, g);
787 }
788 if ( !hasErr ) {
789 skipWhitespace(ptr);
790 hasErr = parseNum(ptr, b);
791 }
792 if ( !hasErr && *ptr ) {
793 char* n = trim(ptr);
794 if (n != NULL) {
795 name = n;
796 }
797 }
798 if ( !hasErr ) {
799 // Add the entry now
800 Glib::ustring nameStr(name);
801 ColorItem* item = new ColorItem( r, g, b, nameStr );
802 onceMore->_colors.push_back(item);
803 }
804 } else {
805 hasErr = true;
806 }
807 } else {
808 if ( !inHeader ) {
809 // Hmmm... probably bad. Not quite the format we want?
810 hasErr = true;
811 } else {
812 char* sep = strchr(result, ':');
813 if ( sep ) {
814 *sep = 0;
815 char* val = trim(sep + 1);
816 char* name = trim(result);
817 if ( *name ) {
818 if ( strcmp( "Name", name ) == 0 )
819 {
820 onceMore->_name = val;
821 }
822 else if ( strcmp( "Columns", name ) == 0 )
823 {
824 gchar* endPtr = 0;
825 guint64 numVal = g_ascii_strtoull( val, &endPtr, 10 );
826 if ( (numVal == G_MAXUINT64) && (ERANGE == errno) ) {
827 // overflow
828 } else if ( (numVal == 0) && (endPtr == val) ) {
829 // failed conversion
830 } else {
831 onceMore->_prefWidth = numVal;
832 }
833 }
834 } else {
835 // error
836 hasErr = true;
837 }
838 } else {
839 // error
840 hasErr = true;
841 }
842 }
843 }
844 }
845 }
846 } while ( result && !hasErr );
847 if ( !hasErr ) {
848 possible.push_back(onceMore);
849 #if ENABLE_MAGIC_COLORS
850 ColorItem::_wireMagicColors( onceMore );
851 #endif // ENABLE_MAGIC_COLORS
852 } else {
853 delete onceMore;
854 }
855 }
856 }
858 fclose(f);
859 }
860 }
862 static void loadEmUp()
863 {
864 static bool beenHere = false;
865 if ( !beenHere ) {
866 beenHere = true;
868 std::list<gchar *> sources;
869 sources.push_back( profile_path("palettes") );
870 sources.push_back( g_strdup(INKSCAPE_PALETTESDIR) );
871 sources.push_back( g_strdup(CREATE_PALETTESDIR) );
873 // Use this loop to iterate through a list of possible document locations.
874 while (!sources.empty()) {
875 gchar *dirname = sources.front();
877 if ( Inkscape::IO::file_test( dirname, (GFileTest)(G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR) ) ) {
878 GError *err = 0;
879 GDir *directory = g_dir_open(dirname, 0, &err);
880 if (!directory) {
881 gchar *safeDir = Inkscape::IO::sanitizeString(dirname);
882 g_warning(_("Palettes directory (%s) is unavailable."), safeDir);
883 g_free(safeDir);
884 } else {
885 gchar *filename = 0;
886 while ((filename = (gchar *)g_dir_read_name(directory)) != NULL) {
887 gchar* lower = g_ascii_strdown( filename, -1 );
888 // if ( g_str_has_suffix(lower, ".gpl") ) {
889 gchar* full = g_build_filename(dirname, filename, NULL);
890 if ( !Inkscape::IO::file_test( full, (GFileTest)(G_FILE_TEST_IS_DIR ) ) ) {
891 _loadPaletteFile(full);
892 }
893 g_free(full);
894 // }
895 g_free(lower);
896 }
897 g_dir_close(directory);
898 }
899 }
901 // toss the dirname
902 g_free(dirname);
903 sources.pop_front();
904 }
905 }
906 }
916 SwatchesPanel& SwatchesPanel::getInstance()
917 {
918 if ( !instance ) {
919 instance = new SwatchesPanel();
920 }
922 return *instance;
923 }
927 /**
928 * Constructor
929 */
930 SwatchesPanel::SwatchesPanel(gchar const* prefsPath) :
931 Inkscape::UI::Widget::Panel( Glib::ustring(), prefsPath, true ),
932 _holder(0)
933 {
934 Gtk::RadioMenuItem* hotItem = 0;
935 _holder = new PreviewHolder();
936 loadEmUp();
938 if ( !possible.empty() ) {
939 JustForNow* first = 0;
940 gchar const* targetName = 0;
941 if ( _prefs_path ) {
942 targetName = prefs_get_string_attribute( _prefs_path, "palette" );
943 if ( targetName ) {
944 for ( std::vector<JustForNow*>::iterator iter = possible.begin(); iter != possible.end(); ++iter ) {
945 if ( (*iter)->_name == targetName ) {
946 first = *iter;
947 break;
948 }
949 }
950 }
951 }
953 if ( !first ) {
954 first = possible.front();
955 }
957 if ( first->_prefWidth > 0 ) {
958 _holder->setColumnPref( first->_prefWidth );
959 }
960 _holder->freezeUpdates();
961 for ( std::vector<ColorItem*>::iterator it = first->_colors.begin(); it != first->_colors.end(); it++ ) {
962 _holder->addPreview(*it);
963 }
964 _holder->thawUpdates();
966 Gtk::RadioMenuItem::Group groupOne;
967 int i = 0;
968 for ( std::vector<JustForNow*>::iterator it = possible.begin(); it != possible.end(); it++ ) {
969 JustForNow* curr = *it;
970 Gtk::RadioMenuItem* single = manage(new Gtk::RadioMenuItem(groupOne, curr->_name));
971 if ( curr == first ) {
972 hotItem = single;
973 }
974 _regItem( single, 3, i );
975 i++;
976 }
978 }
981 _getContents()->pack_start(*_holder, Gtk::PACK_EXPAND_WIDGET);
982 _setTargetFillable(_holder);
984 show_all_children();
986 restorePanelPrefs();
987 if ( hotItem ) {
988 hotItem->set_active();
989 }
990 }
992 SwatchesPanel::~SwatchesPanel()
993 {
994 }
996 void SwatchesPanel::setOrientation( Gtk::AnchorType how )
997 {
998 // Must call the parent class or bad things might happen
999 Inkscape::UI::Widget::Panel::setOrientation( how );
1001 if ( _holder )
1002 {
1003 _holder->setOrientation( Gtk::ANCHOR_SOUTH );
1004 }
1005 }
1007 void SwatchesPanel::_handleAction( int setId, int itemId )
1008 {
1009 switch( setId ) {
1010 case 3:
1011 {
1012 if ( itemId >= 0 && itemId < static_cast<int>(possible.size()) ) {
1013 _holder->clear();
1014 JustForNow* curr = possible[itemId];
1016 if ( _prefs_path ) {
1017 prefs_set_string_attribute( _prefs_path, "palette", curr->_name.c_str() );
1018 }
1020 if ( curr->_prefWidth > 0 ) {
1021 _holder->setColumnPref( curr->_prefWidth );
1022 }
1023 _holder->freezeUpdates();
1024 for ( std::vector<ColorItem*>::iterator it = curr->_colors.begin(); it != curr->_colors.end(); it++ ) {
1025 _holder->addPreview(*it);
1026 }
1027 _holder->thawUpdates();
1028 }
1029 }
1030 break;
1031 }
1032 }
1034 } //namespace Dialogs
1035 } //namespace UI
1036 } //namespace Inkscape
1039 /*
1040 Local Variables:
1041 mode:c++
1042 c-file-style:"stroustrup"
1043 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1044 indent-tabs-mode:nil
1045 fill-column:99
1046 End:
1047 */
1048 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :