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"
34 #include "eek-preview.h"
36 namespace Inkscape {
37 namespace UI {
38 namespace Dialogs {
40 SwatchesPanel* SwatchesPanel::instance = 0;
43 ColorItem::ColorItem( unsigned int r, unsigned int g, unsigned int b, Glib::ustring& name ) :
44 def( r, g, b, name ),
45 _isLive(false),
46 _linkIsTone(false),
47 _linkPercent(0),
48 _linkGray(0),
49 _linkSrc(0)
50 {
51 }
53 ColorItem::~ColorItem()
54 {
55 }
57 ColorItem::ColorItem(ColorItem const &other) :
58 Inkscape::UI::Previewable()
59 {
60 if ( this != &other ) {
61 *this = other;
62 }
63 }
65 ColorItem &ColorItem::operator=(ColorItem const &other)
66 {
67 if ( this != &other ) {
68 def = other.def;
70 // TODO - correct linkage
71 _linkSrc = other._linkSrc;
72 g_message("Erk!");
73 }
74 return *this;
75 }
78 class JustForNow
79 {
80 public:
81 JustForNow() : _prefWidth(0) {}
83 Glib::ustring _name;
84 int _prefWidth;
85 std::vector<ColorItem*> _colors;
86 };
88 static std::vector<JustForNow*> possible;
92 typedef enum {
93 APP_X_INKY_COLOR_ID = 0,
94 APP_X_INKY_COLOR = 0,
95 APP_X_COLOR,
96 TEXT_DATA
97 } colorFlavorType;
99 static const GtkTargetEntry sourceColorEntries[] = {
100 // {"application/x-inkscape-color-id", GTK_TARGET_SAME_APP, APP_X_INKY_COLOR_ID},
101 {"application/x-inkscape-color", 0, APP_X_INKY_COLOR},
102 {"application/x-color", 0, APP_X_COLOR},
103 {"text/plain", 0, TEXT_DATA},
104 };
106 void ColorItem::_dragGetColorData( GtkWidget *widget,
107 GdkDragContext *drag_context,
108 GtkSelectionData *data,
109 guint info,
110 guint time,
111 gpointer user_data)
112 {
113 static GdkAtom typeXColor = gdk_atom_intern("application/x-color", FALSE);
114 static GdkAtom typeText = gdk_atom_intern("text/plain", FALSE);
116 ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
117 if ( info == TEXT_DATA ) {
118 gchar* tmp = g_strdup_printf("#%02x%02x%02x", item->def.getR(), item->def.getG(), item->def.getB() );
120 gtk_selection_data_set( data,
121 typeText,
122 8, // format
123 (guchar*)tmp,
124 strlen((const char*)tmp) + 1);
125 g_free(tmp);
126 tmp = 0;
127 } else if ( info == APP_X_INKY_COLOR ) {
128 Glib::ustring paletteName;
130 // Find where this thing came from
131 bool found = false;
132 int index = 0;
133 for ( std::vector<JustForNow*>::iterator it = possible.begin(); it != possible.end() && !found; ++it ) {
134 JustForNow* curr = *it;
135 index = 0;
136 for ( std::vector<ColorItem*>::iterator zz = curr->_colors.begin(); zz != curr->_colors.end(); ++zz ) {
137 if ( item == *zz ) {
138 found = true;
139 paletteName = curr->_name;
140 break;
141 } else {
142 index++;
143 }
144 }
145 }
147 // if ( found ) {
148 // g_message("Found the color at entry %d in palette '%s'", index, paletteName.c_str() );
149 // } else {
150 // g_message("Unable to find the color");
151 // }
152 int itemCount = 4 + 2 + 1 + paletteName.length();
154 guint16* tmp = new guint16[itemCount];
155 tmp[0] = (item->def.getR() << 8) | item->def.getR();
156 tmp[1] = (item->def.getG() << 8) | item->def.getG();
157 tmp[2] = (item->def.getB() << 8) | item->def.getB();
158 tmp[3] = 0xffff;
159 tmp[4] = (item->_isLive || !item->_listeners.empty() || (item->_linkSrc != 0) ) ? 1 : 0;
161 tmp[5] = index;
162 tmp[6] = paletteName.length();
163 for ( unsigned int i = 0; i < paletteName.length(); i++ ) {
164 tmp[7 + i] = paletteName[i];
165 }
166 gtk_selection_data_set( data,
167 typeXColor,
168 16, // format
169 reinterpret_cast<const guchar*>(tmp),
170 itemCount * 2);
171 delete[] tmp;
172 } else {
173 guint16 tmp[4];
174 tmp[0] = (item->def.getR() << 8) | item->def.getR();
175 tmp[1] = (item->def.getG() << 8) | item->def.getG();
176 tmp[2] = (item->def.getB() << 8) | item->def.getB();
177 tmp[3] = 0xffff;
178 gtk_selection_data_set( data,
179 typeXColor,
180 16, // format
181 reinterpret_cast<const guchar*>(tmp),
182 (3+1) * 2);
183 }
184 }
186 static void dragBegin( GtkWidget *widget, GdkDragContext* dc, gpointer data )
187 {
188 ColorItem* item = reinterpret_cast<ColorItem*>(data);
189 if ( item )
190 {
191 Glib::RefPtr<Gdk::Pixbuf> thumb = Gdk::Pixbuf::create( Gdk::COLORSPACE_RGB, false, 8, 32, 24 );
192 guint32 fillWith = (0xff000000 & (item->def.getR() << 24))
193 | (0x00ff0000 & (item->def.getG() << 16))
194 | (0x0000ff00 & (item->def.getB() << 8));
195 thumb->fill( fillWith );
196 gtk_drag_set_icon_pixbuf( dc, thumb->gobj(), 0, 0 );
197 }
199 }
201 //"drag-drop"
202 // gboolean dragDropColorData( GtkWidget *widget,
203 // GdkDragContext *drag_context,
204 // gint x,
205 // gint y,
206 // guint time,
207 // gpointer user_data)
208 // {
209 // // TODO finish
211 // return TRUE;
212 // }
214 static void bouncy( GtkWidget* widget, gpointer callback_data ) {
215 ColorItem* item = reinterpret_cast<ColorItem*>(callback_data);
216 if ( item ) {
217 item->buttonClicked(false);
218 }
219 }
221 static void bouncy2( GtkWidget* widget, gint arg1, gpointer callback_data ) {
222 ColorItem* item = reinterpret_cast<ColorItem*>(callback_data);
223 if ( item ) {
224 item->buttonClicked(true);
225 }
226 }
228 static void dieDieDie( GtkObject *obj, gpointer user_data )
229 {
230 g_message("die die die %p %p", obj, user_data );
231 }
233 static const GtkTargetEntry destColorTargets[] = {
234 // {"application/x-inkscape-color-id", GTK_TARGET_SAME_APP, APP_X_INKY_COLOR_ID},
235 {"application/x-inkscape-color", 0, APP_X_INKY_COLOR},
236 {"application/x-color", 0, APP_X_COLOR},
237 };
239 #include "color.h" // for SP_RGBA32_U_COMPOSE
241 void ColorItem::_dropDataIn( GtkWidget *widget,
242 GdkDragContext *drag_context,
243 gint x, gint y,
244 GtkSelectionData *data,
245 guint info,
246 guint event_time,
247 gpointer user_data)
248 {
249 // g_message(" droppy droppy %d", info);
250 switch (info) {
251 case APP_X_INKY_COLOR:
252 {
253 if ( data->length >= 8 ) {
254 // Careful about endian issues.
255 guint16* dataVals = (guint16*)data->data;
256 if ( user_data ) {
257 ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
258 if ( item->def.isEditable() ) {
259 // Shove on in the new value
260 item->def.setRGB( 0x0ff & (dataVals[0] >> 8), 0x0ff & (dataVals[1] >> 8), 0x0ff & (dataVals[2] >> 8) );
261 }
262 }
263 }
264 break;
265 }
266 case APP_X_COLOR:
267 {
268 if ( data->length == 8 ) {
269 // Careful about endian issues.
270 guint16* dataVals = (guint16*)data->data;
271 // {
272 // gchar c[64] = {0};
273 // sp_svg_write_color( c, 64,
274 // SP_RGBA32_U_COMPOSE(
275 // 0x0ff & (dataVals[0] >> 8),
276 // 0x0ff & (dataVals[1] >> 8),
277 // 0x0ff & (dataVals[2] >> 8),
278 // 0xff // can't have transparency in the color itself
279 // //0x0ff & (data->data[3] >> 8),
280 // ));
281 // }
282 if ( user_data ) {
283 ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
284 if ( item->def.isEditable() ) {
285 // Shove on in the new value
286 item->def.setRGB( 0x0ff & (dataVals[0] >> 8), 0x0ff & (dataVals[1] >> 8), 0x0ff & (dataVals[2] >> 8) );
287 }
288 }
289 }
290 break;
291 }
292 default:
293 g_message("unknown drop type");
294 }
296 }
298 static bool bruteForce( SPDocument* document, Inkscape::XML::Node* node, Glib::ustring const& match, int r, int g, int b )
299 {
300 bool changed = false;
302 if ( node ) {
303 gchar const * val = node->attribute("inkscape:x-fill-tag");
304 if ( val && (match == val) ) {
305 SPObject *obj = document->getObjectByRepr( node );
307 gchar c[64] = {0};
308 sp_svg_write_color( c, 64, SP_RGBA32_U_COMPOSE( r, g, b, 0xff ) );
309 SPCSSAttr *css = sp_repr_css_attr_new();
310 sp_repr_css_set_property( css, "fill", c );
312 sp_desktop_apply_css_recursive( (SPItem*)obj, css, true );
313 ((SPItem*)obj)->updateRepr();
315 changed = true;
316 }
318 val = node->attribute("inkscape:x-stroke-tag");
319 if ( val && (match == val) ) {
320 SPObject *obj = document->getObjectByRepr( node );
322 gchar c[64] = {0};
323 sp_svg_write_color( c, 64, SP_RGBA32_U_COMPOSE( r, g, b, 0xff ) );
324 SPCSSAttr *css = sp_repr_css_attr_new();
325 sp_repr_css_set_property( css, "stroke", c );
327 sp_desktop_apply_css_recursive( (SPItem*)obj, css, true );
328 ((SPItem*)obj)->updateRepr();
330 changed = true;
331 }
333 Inkscape::XML::Node* first = node->firstChild();
334 changed |= bruteForce( document, first, match, r, g, b );
336 changed |= bruteForce( document, node->next(), match, r, g, b );
337 }
339 return changed;
340 }
342 void ColorItem::_colorDefChanged(void* data)
343 {
344 ColorItem* item = reinterpret_cast<ColorItem*>(data);
345 if ( item ) {
346 for ( std::vector<Gtk::Widget*>::iterator it = item->_previews.begin(); it != item->_previews.end(); ++it ) {
347 Gtk::Widget* widget = *it;
348 if ( IS_EEK_PREVIEW(widget->gobj()) ) {
349 EekPreview * preview = EEK_PREVIEW(widget->gobj());
350 eek_preview_set_color( preview,
351 (item->def.getR() << 8) | item->def.getR(),
352 (item->def.getG() << 8) | item->def.getG(),
353 (item->def.getB() << 8) | item->def.getB() );
355 eek_preview_set_linked( preview, (LinkType)((item->_linkSrc ? PREVIEW_LINK_IN:0)
356 | (item->_listeners.empty() ? 0:PREVIEW_LINK_OUT)
357 | (item->_isLive ? PREVIEW_LINK_OTHER:0)) );
359 widget->queue_draw();
360 }
361 }
363 for ( std::vector<ColorItem*>::iterator it = item->_listeners.begin(); it != item->_listeners.end(); ++it ) {
364 guint r = item->def.getR();
365 guint g = item->def.getG();
366 guint b = item->def.getB();
368 if ( (*it)->_linkIsTone ) {
369 r = ( ((*it)->_linkPercent * (*it)->_linkGray) + ((100 - (*it)->_linkPercent) * r) ) / 100;
370 g = ( ((*it)->_linkPercent * (*it)->_linkGray) + ((100 - (*it)->_linkPercent) * g) ) / 100;
371 b = ( ((*it)->_linkPercent * (*it)->_linkGray) + ((100 - (*it)->_linkPercent) * b) ) / 100;
372 } else {
373 r = ( ((*it)->_linkPercent * 255) + ((100 - (*it)->_linkPercent) * r) ) / 100;
374 g = ( ((*it)->_linkPercent * 255) + ((100 - (*it)->_linkPercent) * g) ) / 100;
375 b = ( ((*it)->_linkPercent * 255) + ((100 - (*it)->_linkPercent) * b) ) / 100;
376 }
378 (*it)->def.setRGB( r, g, b );
379 }
382 // Look for objects using this color
383 {
384 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
385 if ( desktop ) {
386 SPDocument* document = SP_DT_DOCUMENT( desktop );
387 Inkscape::XML::Node *rroot = sp_document_repr_root( document );
388 if ( rroot ) {
390 // Find where this thing came from
391 Glib::ustring paletteName;
392 bool found = false;
393 int index = 0;
394 for ( std::vector<JustForNow*>::iterator it2 = possible.begin(); it2 != possible.end() && !found; ++it2 ) {
395 JustForNow* curr = *it2;
396 index = 0;
397 for ( std::vector<ColorItem*>::iterator zz = curr->_colors.begin(); zz != curr->_colors.end(); ++zz ) {
398 if ( item == *zz ) {
399 found = true;
400 paletteName = curr->_name;
401 break;
402 } else {
403 index++;
404 }
405 }
406 }
408 if ( !paletteName.empty() ) {
409 gchar* str = g_strdup_printf("%d|", index);
410 paletteName.insert( 0, str );
411 g_free(str);
412 str = 0;
414 if ( bruteForce( document, rroot, paletteName, item->def.getR(), item->def.getG(), item->def.getB() ) ) {
415 sp_document_done( document );
416 }
417 }
418 }
419 }
420 }
421 }
422 }
425 Gtk::Widget* ColorItem::getPreview(PreviewStyle style, ViewType view, Gtk::BuiltinIconSize size)
426 {
427 Gtk::Widget* widget = 0;
428 if ( style == PREVIEW_STYLE_BLURB ) {
429 Gtk::Label *lbl = new Gtk::Label(def.descr);
430 lbl->set_alignment(Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER);
431 widget = lbl;
432 } else {
433 Glib::ustring blank(" ");
434 if ( size == Gtk::ICON_SIZE_MENU ) {
435 blank = " ";
436 }
438 GtkWidget* eekWidget = eek_preview_new();
439 EekPreview * preview = EEK_PREVIEW(eekWidget);
440 Gtk::Widget* newBlot = Glib::wrap(eekWidget);
442 eek_preview_set_color( preview, (def.getR() << 8) | def.getR(), (def.getG() << 8) | def.getG(), (def.getB() << 8) | def.getB());
444 eek_preview_set_details( preview, (::PreviewStyle)style, (::ViewType)view, (::GtkIconSize)size );
445 eek_preview_set_linked( preview, (LinkType)((_linkSrc ? PREVIEW_LINK_IN:0)
446 | (_listeners.empty() ? 0:PREVIEW_LINK_OUT)
447 | (_isLive ? PREVIEW_LINK_OTHER:0)) );
449 def.addCallback( _colorDefChanged, this );
451 GValue val = {0, {{0}, {0}}};
452 g_value_init( &val, G_TYPE_BOOLEAN );
453 g_value_set_boolean( &val, FALSE );
454 g_object_set_property( G_OBJECT(preview), "focus-on-click", &val );
456 /*
457 Gtk::Button *btn = new Gtk::Button(blank);
458 Gdk::Color color;
459 color.set_rgb((_r << 8)|_r, (_g << 8)|_g, (_b << 8)|_b);
460 btn->modify_bg(Gtk::STATE_NORMAL, color);
461 btn->modify_bg(Gtk::STATE_ACTIVE, color);
462 btn->modify_bg(Gtk::STATE_PRELIGHT, color);
463 btn->modify_bg(Gtk::STATE_SELECTED, color);
465 Gtk::Widget* newBlot = btn;
466 */
468 tips.set_tip((*newBlot), def.descr);
470 /*
471 newBlot->signal_clicked().connect( sigc::mem_fun(*this, &ColorItem::buttonClicked) );
473 sigc::signal<void> type_signal_something;
474 */
475 g_signal_connect( G_OBJECT(newBlot->gobj()),
476 "clicked",
477 G_CALLBACK(bouncy),
478 this);
480 g_signal_connect( G_OBJECT(newBlot->gobj()),
481 "alt-clicked",
482 G_CALLBACK(bouncy2),
483 this);
485 gtk_drag_source_set( GTK_WIDGET(newBlot->gobj()),
486 GDK_BUTTON1_MASK,
487 sourceColorEntries,
488 G_N_ELEMENTS(sourceColorEntries),
489 GdkDragAction(GDK_ACTION_MOVE | GDK_ACTION_COPY) );
491 g_signal_connect( G_OBJECT(newBlot->gobj()),
492 "drag-data-get",
493 G_CALLBACK(ColorItem::_dragGetColorData),
494 this);
496 g_signal_connect( G_OBJECT(newBlot->gobj()),
497 "drag-begin",
498 G_CALLBACK(dragBegin),
499 this );
501 // g_signal_connect( G_OBJECT(newBlot->gobj()),
502 // "drag-drop",
503 // G_CALLBACK(dragDropColorData),
504 // this);
506 if ( def.isEditable() )
507 {
508 gtk_drag_dest_set( GTK_WIDGET(newBlot->gobj()),
509 GTK_DEST_DEFAULT_ALL,
510 destColorTargets,
511 G_N_ELEMENTS(destColorTargets),
512 GdkDragAction(GDK_ACTION_COPY | GDK_ACTION_MOVE) );
515 g_signal_connect( G_OBJECT(newBlot->gobj()),
516 "drag-data-received",
517 G_CALLBACK(_dropDataIn),
518 this );
519 }
521 g_signal_connect( G_OBJECT(newBlot->gobj()),
522 "destroy",
523 G_CALLBACK(dieDieDie),
524 this);
527 widget = newBlot;
528 }
530 _previews.push_back( widget );
532 return widget;
533 }
535 void ColorItem::buttonClicked(bool secondary)
536 {
537 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
538 if (desktop) {
539 char const * attrName = secondary ? "stroke" : "fill";
540 guint32 rgba = (def.getR() << 24) | (def.getG() << 16) | (def.getB() << 8) | 0xff;
541 gchar c[64];
542 sp_svg_write_color(c, 64, rgba);
544 SPCSSAttr *css = sp_repr_css_attr_new();
545 sp_repr_css_set_property( css, attrName, c );
546 sp_desktop_set_style(desktop, css);
548 sp_repr_css_attr_unref(css);
549 sp_document_done (SP_DT_DOCUMENT (desktop));
550 }
551 }
556 static char* trim( char* str ) {
557 char* ret = str;
558 while ( *str && (*str == ' ' || *str == '\t') ) {
559 str++;
560 }
561 ret = str;
562 while ( *str ) {
563 str++;
564 }
565 str--;
566 while ( str > ret && ( *str == ' ' || *str == '\t' ) || *str == '\r' || *str == '\n' ) {
567 *str-- = 0;
568 }
569 return ret;
570 }
572 void skipWhitespace( char*& str ) {
573 while ( *str == ' ' || *str == '\t' ) {
574 str++;
575 }
576 }
578 bool parseNum( char*& str, int& val ) {
579 val = 0;
580 while ( '0' <= *str && *str <= '9' ) {
581 val = val * 10 + (*str - '0');
582 str++;
583 }
584 bool retval = !(*str == 0 || *str == ' ' || *str == '\t' || *str == '\r' || *str == '\n');
585 return retval;
586 }
589 static bool getBlock( std::string& dst, guchar ch, std::string const str )
590 {
591 bool good = false;
592 size_t pos = str.find(ch);
593 if ( pos != std::string::npos )
594 {
595 size_t pos2 = str.find( '(', pos );
596 if ( pos2 != std::string::npos ) {
597 size_t endPos = str.find( ')', pos2 );
598 if ( endPos != std::string::npos ) {
599 dst = str.substr( pos2 + 1, (endPos - pos2 - 1) );
600 good = true;
601 }
602 }
603 }
604 return good;
605 }
607 static bool popVal( guint64& numVal, std::string& str )
608 {
609 bool good = false;
610 size_t endPos = str.find(',');
611 if ( endPos == std::string::npos ) {
612 endPos = str.length();
613 }
615 if ( endPos != std::string::npos && endPos > 0 ) {
616 std::string xxx = str.substr( 0, endPos );
617 const gchar* ptr = xxx.c_str();
618 gchar* endPtr = 0;
619 numVal = g_ascii_strtoull( ptr, &endPtr, 10 );
620 if ( (numVal == G_MAXUINT64) && (ERANGE == errno) ) {
621 // overflow
622 } else if ( (numVal == 0) && (endPtr == ptr) ) {
623 // failed conversion
624 } else {
625 good = true;
626 str.erase( 0, endPos + 1 );
627 }
628 }
630 return good;
631 }
633 void ColorItem::_wireMagicColors( void* p )
634 {
635 JustForNow* onceMore = reinterpret_cast<JustForNow*>(p);
636 if ( onceMore )
637 {
638 for ( std::vector<ColorItem*>::iterator it = onceMore->_colors.begin(); it != onceMore->_colors.end(); ++it )
639 {
640 size_t pos = (*it)->def.descr.find("*{");
641 if ( pos != std::string::npos )
642 {
643 std::string subby = (*it)->def.descr.substr( pos + 2 );
644 size_t endPos = subby.find("}*");
645 if ( endPos != std::string::npos )
646 {
647 subby.erase( endPos );
648 //g_message("FOUND MAGIC at '%s'", (*it)->def.descr.c_str());
649 //g_message(" '%s'", subby.c_str());
651 if ( subby.find('E') != std::string::npos )
652 {
653 (*it)->def.setEditable( true );
654 }
656 if ( subby.find('L') != std::string::npos )
657 {
658 (*it)->_isLive = true;
659 }
661 std::string part;
662 // Tint. index + 1 more val.
663 if ( getBlock( part, 'T', subby ) ) {
664 guint64 colorIndex = 0;
665 if ( popVal( colorIndex, part ) ) {
666 guint64 percent = 0;
667 if ( popVal( percent, part ) ) {
668 (*it)->_linkTint( *(onceMore->_colors[colorIndex]), percent );
669 }
670 }
671 }
673 // Shade/tone. index + 1 or 2 more val.
674 if ( getBlock( part, 'S', subby ) ) {
675 guint64 colorIndex = 0;
676 if ( popVal( colorIndex, part ) ) {
677 guint64 percent = 0;
678 if ( popVal( percent, part ) ) {
679 guint64 grayLevel = 0;
680 if ( !popVal( grayLevel, part ) ) {
681 grayLevel = 0;
682 }
683 (*it)->_linkTone( *(onceMore->_colors[colorIndex]), percent, grayLevel );
684 }
685 }
686 }
688 }
689 }
690 }
691 }
692 }
695 void ColorItem::_linkTint( ColorItem& other, int percent )
696 {
697 if ( !_linkSrc )
698 {
699 other._listeners.push_back(this);
700 _linkIsTone = false;
701 _linkPercent = percent;
702 if ( _linkPercent > 100 )
703 _linkPercent = 100;
704 if ( _linkPercent < 0 )
705 _linkPercent = 0;
706 _linkGray = 0;
707 _linkSrc = &other;
709 ColorItem::_colorDefChanged(&other);
710 }
711 }
713 void ColorItem::_linkTone( ColorItem& other, int percent, int grayLevel )
714 {
715 if ( !_linkSrc )
716 {
717 other._listeners.push_back(this);
718 _linkIsTone = true;
719 _linkPercent = percent;
720 if ( _linkPercent > 100 )
721 _linkPercent = 100;
722 if ( _linkPercent < 0 )
723 _linkPercent = 0;
724 _linkGray = grayLevel;
725 _linkSrc = &other;
727 ColorItem::_colorDefChanged(&other);
728 }
729 }
732 void _loadPaletteFile( gchar const *filename )
733 {
734 char block[1024];
735 FILE *f = Inkscape::IO::fopen_utf8name( filename, "r" );
736 if ( f ) {
737 char* result = fgets( block, sizeof(block), f );
738 if ( result ) {
739 if ( strncmp( "GIMP Palette", block, 12 ) == 0 ) {
740 bool inHeader = true;
741 bool hasErr = false;
743 JustForNow *onceMore = new JustForNow();
745 do {
746 result = fgets( block, sizeof(block), f );
747 block[sizeof(block) - 1] = 0;
748 if ( result ) {
749 if ( block[0] == '#' ) {
750 // ignore comment
751 } else {
752 char *ptr = block;
753 // very simple check for header versus entry
754 while ( *ptr == ' ' || *ptr == '\t' ) {
755 ptr++;
756 }
757 if ( *ptr == 0 ) {
758 // blank line. skip it.
759 } else if ( '0' <= *ptr && *ptr <= '9' ) {
760 // should be an entry link
761 inHeader = false;
762 ptr = block;
763 Glib::ustring name("");
764 int r = 0;
765 int g = 0;
766 int b = 0;
767 skipWhitespace(ptr);
768 if ( *ptr ) {
769 hasErr = parseNum(ptr, r);
770 if ( !hasErr ) {
771 skipWhitespace(ptr);
772 hasErr = parseNum(ptr, g);
773 }
774 if ( !hasErr ) {
775 skipWhitespace(ptr);
776 hasErr = parseNum(ptr, b);
777 }
778 if ( !hasErr && *ptr ) {
779 char* n = trim(ptr);
780 if (n != NULL) {
781 name = n;
782 }
783 }
784 if ( !hasErr ) {
785 // Add the entry now
786 Glib::ustring nameStr(name);
787 ColorItem* item = new ColorItem( r, g, b, nameStr );
788 onceMore->_colors.push_back(item);
789 }
790 } else {
791 hasErr = true;
792 }
793 } else {
794 if ( !inHeader ) {
795 // Hmmm... probably bad. Not quite the format we want?
796 hasErr = true;
797 } else {
798 char* sep = strchr(result, ':');
799 if ( sep ) {
800 *sep = 0;
801 char* val = trim(sep + 1);
802 char* name = trim(result);
803 if ( *name ) {
804 if ( strcmp( "Name", name ) == 0 )
805 {
806 onceMore->_name = val;
807 }
808 else if ( strcmp( "Columns", name ) == 0 )
809 {
810 gchar* endPtr = 0;
811 guint64 numVal = g_ascii_strtoull( val, &endPtr, 10 );
812 if ( (numVal == G_MAXUINT64) && (ERANGE == errno) ) {
813 // overflow
814 } else if ( (numVal == 0) && (endPtr == val) ) {
815 // failed conversion
816 } else {
817 onceMore->_prefWidth = numVal;
818 }
819 }
820 } else {
821 // error
822 hasErr = true;
823 }
824 } else {
825 // error
826 hasErr = true;
827 }
828 }
829 }
830 }
831 }
832 } while ( result && !hasErr );
833 if ( !hasErr ) {
834 possible.push_back(onceMore);
835 ColorItem::_wireMagicColors( onceMore );
836 } else {
837 delete onceMore;
838 }
839 }
840 }
842 fclose(f);
843 }
844 }
846 static void loadEmUp()
847 {
848 static bool beenHere = false;
849 if ( !beenHere ) {
850 beenHere = true;
852 std::list<gchar *> sources;
853 sources.push_back( profile_path("palettes") );
854 sources.push_back( g_strdup(INKSCAPE_PALETTESDIR) );
856 // Use this loop to iterate through a list of possible document locations.
857 while (!sources.empty()) {
858 gchar *dirname = sources.front();
860 if ( Inkscape::IO::file_test( dirname, (GFileTest)(G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR) ) ) {
861 GError *err = 0;
862 GDir *directory = g_dir_open(dirname, 0, &err);
863 if (!directory) {
864 gchar *safeDir = Inkscape::IO::sanitizeString(dirname);
865 g_warning(_("Palettes directory (%s) is unavailable."), safeDir);
866 g_free(safeDir);
867 } else {
868 gchar *filename = 0;
869 while ((filename = (gchar *)g_dir_read_name(directory)) != NULL) {
870 gchar* lower = g_ascii_strdown( filename, -1 );
871 if ( g_str_has_suffix(lower, ".gpl") ) {
872 gchar* full = g_build_filename(dirname, filename, NULL);
873 if ( !Inkscape::IO::file_test( full, (GFileTest)(G_FILE_TEST_IS_DIR ) ) ) {
874 _loadPaletteFile(full);
875 }
876 g_free(full);
877 }
878 g_free(lower);
879 }
880 g_dir_close(directory);
881 }
882 }
884 // toss the dirname
885 g_free(dirname);
886 sources.pop_front();
887 }
888 }
889 }
899 SwatchesPanel& SwatchesPanel::getInstance()
900 {
901 if ( !instance ) {
902 instance = new SwatchesPanel();
903 }
905 return *instance;
906 }
910 /**
911 * Constructor
912 */
913 SwatchesPanel::SwatchesPanel() :
914 Inkscape::UI::Widget::Panel ("dialogs.swatches"),
915 _holder(0)
916 {
917 _holder = new PreviewHolder();
918 loadEmUp();
920 if ( !possible.empty() ) {
921 JustForNow* first = possible.front();
922 if ( first->_prefWidth > 0 ) {
923 _holder->setColumnPref( first->_prefWidth );
924 }
925 _holder->freezeUpdates();
926 for ( std::vector<ColorItem*>::iterator it = first->_colors.begin(); it != first->_colors.end(); it++ ) {
927 _holder->addPreview(*it);
928 }
929 _holder->thawUpdates();
931 Gtk::RadioMenuItem::Group groupOne;
932 int i = 0;
933 for ( std::vector<JustForNow*>::iterator it = possible.begin(); it != possible.end(); it++ ) {
934 JustForNow* curr = *it;
935 Gtk::RadioMenuItem* single = manage(new Gtk::RadioMenuItem(groupOne, curr->_name));
936 _regItem( single, 3, i );
937 i++;
938 }
940 }
943 _getContents()->pack_start(*_holder, Gtk::PACK_EXPAND_WIDGET);
944 _setTargetFillable(_holder);
946 show_all_children();
948 restorePanelPrefs();
949 }
951 SwatchesPanel::~SwatchesPanel()
952 {
953 }
955 void SwatchesPanel::setOrientation( Gtk::AnchorType how )
956 {
957 // Must call the parent class or bad things might happen
958 Inkscape::UI::Widget::Panel::setOrientation( how );
960 if ( _holder )
961 {
962 _holder->setOrientation( Gtk::ANCHOR_SOUTH );
963 }
964 }
966 void SwatchesPanel::_handleAction( int setId, int itemId )
967 {
968 switch( setId ) {
969 case 3:
970 {
971 if ( itemId >= 0 && itemId < static_cast<int>(possible.size()) ) {
972 _holder->clear();
973 JustForNow* curr = possible[itemId];
974 if ( curr->_prefWidth > 0 ) {
975 _holder->setColumnPref( curr->_prefWidth );
976 }
977 _holder->freezeUpdates();
978 for ( std::vector<ColorItem*>::iterator it = curr->_colors.begin(); it != curr->_colors.end(); it++ ) {
979 _holder->addPreview(*it);
980 }
981 _holder->thawUpdates();
982 }
983 }
984 break;
985 }
986 }
988 } //namespace Dialogs
989 } //namespace UI
990 } //namespace Inkscape
993 /*
994 Local Variables:
995 mode:c++
996 c-file-style:"stroustrup"
997 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
998 indent-tabs-mode:nil
999 fill-column:99
1000 End:
1001 */
1002 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :