71c16d87a3c52dea5e90542be01d5d26095f1dcb
1 /*
2 * A simple panel for color swatches
3 *
4 * Authors:
5 * Jon A. Cruz
6 * John Bintz
7 *
8 * Copyright (C) 2005 Jon A. Cruz
9 * Copyright (C) 2008 John Bintz
10 *
11 * Released under GNU GPL, read the file 'COPYING' for more information
12 */
13 #ifdef HAVE_CONFIG_H
14 # include <config.h>
15 #endif
17 #include <errno.h>
19 #include <gtk/gtkdialog.h> //for GTK_RESPONSE* types
20 #include <gtk/gtkdnd.h>
21 #include <gtk/gtkmenu.h>
22 #include <gtk/gtkmenuitem.h>
23 #include <gtk/gtkseparatormenuitem.h>
25 #include <glibmm/i18n.h>
26 #include <gdkmm/pixbuf.h>
27 #include "inkscape.h"
28 #include "desktop.h"
29 #include "message-context.h"
30 #include "document.h"
31 #include "desktop-handles.h"
32 #include "extension/db.h"
33 #include "inkscape.h"
34 #include "svg/svg-color.h"
35 #include "desktop-style.h"
36 #include "io/sys.h"
37 #include "path-prefix.h"
38 #include "swatches.h"
39 #include "sp-item.h"
40 #include "preferences.h"
42 #include "eek-preview.h"
44 namespace Inkscape {
45 namespace UI {
46 namespace Dialogs {
49 ColorItem::ColorItem( unsigned int r, unsigned int g, unsigned int b, Glib::ustring& name ) :
50 def( r, g, b, name ),
51 _isLive(false),
52 _linkIsTone(false),
53 _linkPercent(0),
54 _linkGray(0),
55 _linkSrc(0)
56 {
57 }
59 ColorItem::~ColorItem()
60 {
61 }
63 ColorItem::ColorItem(ColorItem const &other) :
64 Inkscape::UI::Previewable()
65 {
66 if ( this != &other ) {
67 *this = other;
68 }
69 }
71 ColorItem &ColorItem::operator=(ColorItem const &other)
72 {
73 if ( this != &other ) {
74 def = other.def;
76 // TODO - correct linkage
77 _linkSrc = other._linkSrc;
78 g_message("Erk!");
79 }
80 return *this;
81 }
84 class JustForNow
85 {
86 public:
87 JustForNow() : _prefWidth(0) {}
89 Glib::ustring _name;
90 int _prefWidth;
91 std::vector<ColorItem*> _colors;
92 };
94 static std::vector<JustForNow*> possible;
98 typedef enum {
99 APP_X_INKY_COLOR_ID = 0,
100 APP_X_INKY_COLOR = 0,
101 APP_X_COLOR,
102 TEXT_DATA
103 } colorFlavorType;
105 static const GtkTargetEntry sourceColorEntries[] = {
106 #if ENABLE_MAGIC_COLORS
107 // {"application/x-inkscape-color-id", GTK_TARGET_SAME_APP, APP_X_INKY_COLOR_ID},
108 {"application/x-inkscape-color", 0, APP_X_INKY_COLOR},
109 #endif // ENABLE_MAGIC_COLORS
110 {"application/x-color", 0, APP_X_COLOR},
111 {"text/plain", 0, TEXT_DATA},
112 };
114 void ColorItem::_dragGetColorData( GtkWidget *widget,
115 GdkDragContext *drag_context,
116 GtkSelectionData *data,
117 guint info,
118 guint time,
119 gpointer user_data)
120 {
121 (void)widget;
122 (void)drag_context;
123 (void)time;
124 static GdkAtom typeXColor = gdk_atom_intern("application/x-color", FALSE);
125 static GdkAtom typeText = gdk_atom_intern("text/plain", FALSE);
127 ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
128 if ( info == TEXT_DATA ) {
129 gchar* tmp = g_strdup_printf("#%02x%02x%02x", item->def.getR(), item->def.getG(), item->def.getB() );
131 gtk_selection_data_set( data,
132 typeText,
133 8, // format
134 (guchar*)tmp,
135 strlen((const char*)tmp) + 1);
136 g_free(tmp);
137 tmp = 0;
138 } else if ( info == APP_X_INKY_COLOR ) {
139 Glib::ustring paletteName;
141 // Find where this thing came from
142 bool found = false;
143 int index = 0;
144 for ( std::vector<JustForNow*>::iterator it = possible.begin(); it != possible.end() && !found; ++it ) {
145 JustForNow* curr = *it;
146 index = 0;
147 for ( std::vector<ColorItem*>::iterator zz = curr->_colors.begin(); zz != curr->_colors.end(); ++zz ) {
148 if ( item == *zz ) {
149 found = true;
150 paletteName = curr->_name;
151 break;
152 } else {
153 index++;
154 }
155 }
156 }
158 // if ( found ) {
159 // g_message("Found the color at entry %d in palette '%s'", index, paletteName.c_str() );
160 // } else {
161 // g_message("Unable to find the color");
162 // }
163 int itemCount = 4 + 2 + 1 + paletteName.length();
165 guint16* tmp = new guint16[itemCount];
166 tmp[0] = (item->def.getR() << 8) | item->def.getR();
167 tmp[1] = (item->def.getG() << 8) | item->def.getG();
168 tmp[2] = (item->def.getB() << 8) | item->def.getB();
169 tmp[3] = 0xffff;
170 tmp[4] = (item->_isLive || !item->_listeners.empty() || (item->_linkSrc != 0) ) ? 1 : 0;
172 tmp[5] = index;
173 tmp[6] = paletteName.length();
174 for ( unsigned int i = 0; i < paletteName.length(); i++ ) {
175 tmp[7 + i] = paletteName[i];
176 }
177 gtk_selection_data_set( data,
178 typeXColor,
179 16, // format
180 reinterpret_cast<const guchar*>(tmp),
181 itemCount * 2);
182 delete[] tmp;
183 } else {
184 guint16 tmp[4];
185 tmp[0] = (item->def.getR() << 8) | item->def.getR();
186 tmp[1] = (item->def.getG() << 8) | item->def.getG();
187 tmp[2] = (item->def.getB() << 8) | item->def.getB();
188 tmp[3] = 0xffff;
189 gtk_selection_data_set( data,
190 typeXColor,
191 16, // format
192 reinterpret_cast<const guchar*>(tmp),
193 (3+1) * 2);
194 }
195 }
197 static void dragBegin( GtkWidget *widget, GdkDragContext* dc, gpointer data )
198 {
199 (void)widget;
200 ColorItem* item = reinterpret_cast<ColorItem*>(data);
201 if ( item )
202 {
203 Glib::RefPtr<Gdk::Pixbuf> thumb = Gdk::Pixbuf::create( Gdk::COLORSPACE_RGB, false, 8, 32, 24 );
204 guint32 fillWith = (0xff000000 & (item->def.getR() << 24))
205 | (0x00ff0000 & (item->def.getG() << 16))
206 | (0x0000ff00 & (item->def.getB() << 8));
207 thumb->fill( fillWith );
208 gtk_drag_set_icon_pixbuf( dc, thumb->gobj(), 0, 0 );
209 }
211 }
213 //"drag-drop"
214 // gboolean dragDropColorData( GtkWidget *widget,
215 // GdkDragContext *drag_context,
216 // gint x,
217 // gint y,
218 // guint time,
219 // gpointer user_data)
220 // {
221 // // TODO finish
223 // return TRUE;
224 // }
226 static void handleClick( GtkWidget* widget, gpointer callback_data ) {
227 (void)widget;
228 ColorItem* item = reinterpret_cast<ColorItem*>(callback_data);
229 if ( item ) {
230 item->buttonClicked(false);
231 }
232 }
234 static void handleSecondaryClick( GtkWidget* widget, gint arg1, gpointer callback_data ) {
235 (void)widget;
236 (void)arg1;
237 ColorItem* item = reinterpret_cast<ColorItem*>(callback_data);
238 if ( item ) {
239 item->buttonClicked(true);
240 }
241 }
243 static gboolean handleEnterNotify( GtkWidget* /*widget*/, GdkEventCrossing* /*event*/, gpointer callback_data ) {
244 ColorItem* item = reinterpret_cast<ColorItem*>(callback_data);
245 if ( item ) {
246 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
247 if ( desktop ) {
248 gchar* msg = g_strdup_printf(_("Color: <b>%s</b>; <b>Click</b> to set fill, <b>Shift+click</b> to set stroke"),
249 item->def.descr.c_str());
250 desktop->tipsMessageContext()->set(Inkscape::INFORMATION_MESSAGE, msg);
251 g_free(msg);
252 }
253 }
254 return FALSE;
255 }
257 static gboolean handleLeaveNotify( GtkWidget* /*widget*/, GdkEventCrossing* /*event*/, gpointer callback_data ) {
258 ColorItem* item = reinterpret_cast<ColorItem*>(callback_data);
259 if ( item ) {
260 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
261 if ( desktop ) {
262 desktop->tipsMessageContext()->clear();
263 }
264 }
265 return FALSE;
266 }
268 static GtkWidget* popupMenu = 0;
269 static ColorItem* bounceTarget = 0;
271 static void redirClick( GtkMenuItem *menuitem, gpointer user_data )
272 {
273 (void)user_data;
274 if ( bounceTarget ) {
275 handleClick( GTK_WIDGET(menuitem), bounceTarget );
276 }
277 }
279 static void redirSecondaryClick( GtkMenuItem *menuitem, gpointer user_data )
280 {
281 (void)user_data;
282 if ( bounceTarget ) {
283 handleSecondaryClick( GTK_WIDGET(menuitem), 0, bounceTarget );
284 }
285 }
287 static gboolean handleButtonPress( GtkWidget* widget, GdkEventButton* event, gpointer user_data)
288 {
289 (void)widget;
290 gboolean handled = FALSE;
292 if ( (event->button == 3) && (event->type == GDK_BUTTON_PRESS) ) {
293 if ( !popupMenu ) {
294 popupMenu = gtk_menu_new();
295 GtkWidget* child = 0;
297 //TRANSLATORS: An item in context menu on a colour in the swatches
298 child = gtk_menu_item_new_with_label(_("Set fill"));
299 g_signal_connect( G_OBJECT(child),
300 "activate",
301 G_CALLBACK(redirClick),
302 user_data);
303 gtk_menu_shell_append(GTK_MENU_SHELL(popupMenu), child);
305 //TRANSLATORS: An item in context menu on a colour in the swatches
306 child = gtk_menu_item_new_with_label(_("Set stroke"));
308 g_signal_connect( G_OBJECT(child),
309 "activate",
310 G_CALLBACK(redirSecondaryClick),
311 user_data);
312 gtk_menu_shell_append(GTK_MENU_SHELL(popupMenu), child);
314 gtk_widget_show_all(popupMenu);
315 }
317 ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
318 if ( item ) {
319 bounceTarget = item;
320 if ( popupMenu ) {
321 gtk_menu_popup(GTK_MENU(popupMenu), NULL, NULL, NULL, NULL, event->button, event->time);
322 handled = TRUE;
323 }
324 }
325 }
327 return handled;
328 }
330 static void dieDieDie( GtkObject *obj, gpointer user_data )
331 {
332 g_message("die die die %p %p", obj, user_data );
333 }
335 static const GtkTargetEntry destColorTargets[] = {
336 #if ENABLE_MAGIC_COLORS
337 // {"application/x-inkscape-color-id", GTK_TARGET_SAME_APP, APP_X_INKY_COLOR_ID},
338 {"application/x-inkscape-color", 0, APP_X_INKY_COLOR},
339 #endif // ENABLE_MAGIC_COLORS
340 {"application/x-color", 0, APP_X_COLOR},
341 };
343 #include "color.h" // for SP_RGBA32_U_COMPOSE
345 void ColorItem::_dropDataIn( GtkWidget *widget,
346 GdkDragContext *drag_context,
347 gint x, gint y,
348 GtkSelectionData *data,
349 guint info,
350 guint event_time,
351 gpointer user_data)
352 {
353 (void)widget;
354 (void)drag_context;
355 (void)x;
356 (void)y;
357 (void)event_time;
358 // g_message(" droppy droppy %d", info);
359 switch (info) {
360 case APP_X_INKY_COLOR:
361 {
362 if ( data->length >= 8 ) {
363 // Careful about endian issues.
364 guint16* dataVals = (guint16*)data->data;
365 if ( user_data ) {
366 ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
367 if ( item->def.isEditable() ) {
368 // Shove on in the new value
369 item->def.setRGB( 0x0ff & (dataVals[0] >> 8), 0x0ff & (dataVals[1] >> 8), 0x0ff & (dataVals[2] >> 8) );
370 }
371 }
372 }
373 break;
374 }
375 case APP_X_COLOR:
376 {
377 if ( data->length == 8 ) {
378 // Careful about endian issues.
379 guint16* dataVals = (guint16*)data->data;
380 // {
381 // gchar c[64] = {0};
382 // sp_svg_write_color( c, 64,
383 // SP_RGBA32_U_COMPOSE(
384 // 0x0ff & (dataVals[0] >> 8),
385 // 0x0ff & (dataVals[1] >> 8),
386 // 0x0ff & (dataVals[2] >> 8),
387 // 0xff // can't have transparency in the color itself
388 // //0x0ff & (data->data[3] >> 8),
389 // ));
390 // }
391 if ( user_data ) {
392 ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
393 if ( item->def.isEditable() ) {
394 // Shove on in the new value
395 item->def.setRGB( 0x0ff & (dataVals[0] >> 8), 0x0ff & (dataVals[1] >> 8), 0x0ff & (dataVals[2] >> 8) );
396 }
397 }
398 }
399 break;
400 }
401 default:
402 g_message("unknown drop type");
403 }
405 }
407 static bool bruteForce( SPDocument* document, Inkscape::XML::Node* node, Glib::ustring const& match, int r, int g, int b )
408 {
409 bool changed = false;
411 if ( node ) {
412 gchar const * val = node->attribute("inkscape:x-fill-tag");
413 if ( val && (match == val) ) {
414 SPObject *obj = document->getObjectByRepr( node );
416 gchar c[64] = {0};
417 sp_svg_write_color( c, sizeof(c), SP_RGBA32_U_COMPOSE( r, g, b, 0xff ) );
418 SPCSSAttr *css = sp_repr_css_attr_new();
419 sp_repr_css_set_property( css, "fill", c );
421 sp_desktop_apply_css_recursive( (SPItem*)obj, css, true );
422 ((SPItem*)obj)->updateRepr();
424 changed = true;
425 }
427 val = node->attribute("inkscape:x-stroke-tag");
428 if ( val && (match == val) ) {
429 SPObject *obj = document->getObjectByRepr( node );
431 gchar c[64] = {0};
432 sp_svg_write_color( c, sizeof(c), SP_RGBA32_U_COMPOSE( r, g, b, 0xff ) );
433 SPCSSAttr *css = sp_repr_css_attr_new();
434 sp_repr_css_set_property( css, "stroke", c );
436 sp_desktop_apply_css_recursive( (SPItem*)obj, css, true );
437 ((SPItem*)obj)->updateRepr();
439 changed = true;
440 }
442 Inkscape::XML::Node* first = node->firstChild();
443 changed |= bruteForce( document, first, match, r, g, b );
445 changed |= bruteForce( document, node->next(), match, r, g, b );
446 }
448 return changed;
449 }
451 void ColorItem::_colorDefChanged(void* data)
452 {
453 ColorItem* item = reinterpret_cast<ColorItem*>(data);
454 if ( item ) {
455 for ( std::vector<Gtk::Widget*>::iterator it = item->_previews.begin(); it != item->_previews.end(); ++it ) {
456 Gtk::Widget* widget = *it;
457 if ( IS_EEK_PREVIEW(widget->gobj()) ) {
458 EekPreview * preview = EEK_PREVIEW(widget->gobj());
459 eek_preview_set_color( preview,
460 (item->def.getR() << 8) | item->def.getR(),
461 (item->def.getG() << 8) | item->def.getG(),
462 (item->def.getB() << 8) | item->def.getB() );
464 eek_preview_set_linked( preview, (LinkType)((item->_linkSrc ? PREVIEW_LINK_IN:0)
465 | (item->_listeners.empty() ? 0:PREVIEW_LINK_OUT)
466 | (item->_isLive ? PREVIEW_LINK_OTHER:0)) );
468 widget->queue_draw();
469 }
470 }
472 for ( std::vector<ColorItem*>::iterator it = item->_listeners.begin(); it != item->_listeners.end(); ++it ) {
473 guint r = item->def.getR();
474 guint g = item->def.getG();
475 guint b = item->def.getB();
477 if ( (*it)->_linkIsTone ) {
478 r = ( ((*it)->_linkPercent * (*it)->_linkGray) + ((100 - (*it)->_linkPercent) * r) ) / 100;
479 g = ( ((*it)->_linkPercent * (*it)->_linkGray) + ((100 - (*it)->_linkPercent) * g) ) / 100;
480 b = ( ((*it)->_linkPercent * (*it)->_linkGray) + ((100 - (*it)->_linkPercent) * b) ) / 100;
481 } else {
482 r = ( ((*it)->_linkPercent * 255) + ((100 - (*it)->_linkPercent) * r) ) / 100;
483 g = ( ((*it)->_linkPercent * 255) + ((100 - (*it)->_linkPercent) * g) ) / 100;
484 b = ( ((*it)->_linkPercent * 255) + ((100 - (*it)->_linkPercent) * b) ) / 100;
485 }
487 (*it)->def.setRGB( r, g, b );
488 }
491 // Look for objects using this color
492 {
493 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
494 if ( desktop ) {
495 SPDocument* document = sp_desktop_document( desktop );
496 Inkscape::XML::Node *rroot = sp_document_repr_root( document );
497 if ( rroot ) {
499 // Find where this thing came from
500 Glib::ustring paletteName;
501 bool found = false;
502 int index = 0;
503 for ( std::vector<JustForNow*>::iterator it2 = possible.begin(); it2 != possible.end() && !found; ++it2 ) {
504 JustForNow* curr = *it2;
505 index = 0;
506 for ( std::vector<ColorItem*>::iterator zz = curr->_colors.begin(); zz != curr->_colors.end(); ++zz ) {
507 if ( item == *zz ) {
508 found = true;
509 paletteName = curr->_name;
510 break;
511 } else {
512 index++;
513 }
514 }
515 }
517 if ( !paletteName.empty() ) {
518 gchar* str = g_strdup_printf("%d|", index);
519 paletteName.insert( 0, str );
520 g_free(str);
521 str = 0;
523 if ( bruteForce( document, rroot, paletteName, item->def.getR(), item->def.getG(), item->def.getB() ) ) {
524 sp_document_done( document , SP_VERB_DIALOG_SWATCHES,
525 _("Change color definition"));
526 }
527 }
528 }
529 }
530 }
531 }
532 }
535 Gtk::Widget* ColorItem::getPreview(PreviewStyle style, ViewType view, ::PreviewSize size, guint ratio)
536 {
537 Gtk::Widget* widget = 0;
538 if ( style == PREVIEW_STYLE_BLURB ) {
539 Gtk::Label *lbl = new Gtk::Label(def.descr);
540 lbl->set_alignment(Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER);
541 widget = lbl;
542 } else {
543 // Glib::ustring blank(" ");
544 // if ( size == Inkscape::ICON_SIZE_MENU || size == Inkscape::ICON_SIZE_DECORATION ) {
545 // blank = " ";
546 // }
548 GtkWidget* eekWidget = eek_preview_new();
549 EekPreview * preview = EEK_PREVIEW(eekWidget);
550 Gtk::Widget* newBlot = Glib::wrap(eekWidget);
552 eek_preview_set_color( preview, (def.getR() << 8) | def.getR(), (def.getG() << 8) | def.getG(), (def.getB() << 8) | def.getB());
554 eek_preview_set_details( preview, (::PreviewStyle)style, (::ViewType)view, (::PreviewSize)size, ratio );
555 eek_preview_set_linked( preview, (LinkType)((_linkSrc ? PREVIEW_LINK_IN:0)
556 | (_listeners.empty() ? 0:PREVIEW_LINK_OUT)
557 | (_isLive ? PREVIEW_LINK_OTHER:0)) );
559 def.addCallback( _colorDefChanged, this );
561 GValue val = {0, {{0}, {0}}};
562 g_value_init( &val, G_TYPE_BOOLEAN );
563 g_value_set_boolean( &val, FALSE );
564 g_object_set_property( G_OBJECT(preview), "focus-on-click", &val );
566 /*
567 Gtk::Button *btn = new Gtk::Button(blank);
568 Gdk::Color color;
569 color.set_rgb((_r << 8)|_r, (_g << 8)|_g, (_b << 8)|_b);
570 btn->modify_bg(Gtk::STATE_NORMAL, color);
571 btn->modify_bg(Gtk::STATE_ACTIVE, color);
572 btn->modify_bg(Gtk::STATE_PRELIGHT, color);
573 btn->modify_bg(Gtk::STATE_SELECTED, color);
575 Gtk::Widget* newBlot = btn;
576 */
578 tips.set_tip((*newBlot), def.descr);
580 /*
581 newBlot->signal_clicked().connect( sigc::mem_fun(*this, &ColorItem::buttonClicked) );
583 sigc::signal<void> type_signal_something;
584 */
586 g_signal_connect( G_OBJECT(newBlot->gobj()),
587 "clicked",
588 G_CALLBACK(handleClick),
589 this);
591 g_signal_connect( G_OBJECT(newBlot->gobj()),
592 "alt-clicked",
593 G_CALLBACK(handleSecondaryClick),
594 this);
596 g_signal_connect( G_OBJECT(newBlot->gobj()),
597 "button-press-event",
598 G_CALLBACK(handleButtonPress),
599 this);
601 gtk_drag_source_set( GTK_WIDGET(newBlot->gobj()),
602 GDK_BUTTON1_MASK,
603 sourceColorEntries,
604 G_N_ELEMENTS(sourceColorEntries),
605 GdkDragAction(GDK_ACTION_MOVE | GDK_ACTION_COPY) );
607 g_signal_connect( G_OBJECT(newBlot->gobj()),
608 "drag-data-get",
609 G_CALLBACK(ColorItem::_dragGetColorData),
610 this);
612 g_signal_connect( G_OBJECT(newBlot->gobj()),
613 "drag-begin",
614 G_CALLBACK(dragBegin),
615 this );
617 g_signal_connect( G_OBJECT(newBlot->gobj()),
618 "enter-notify-event",
619 G_CALLBACK(handleEnterNotify),
620 this);
622 g_signal_connect( G_OBJECT(newBlot->gobj()),
623 "leave-notify-event",
624 G_CALLBACK(handleLeaveNotify),
625 this);
627 // g_signal_connect( G_OBJECT(newBlot->gobj()),
628 // "drag-drop",
629 // G_CALLBACK(dragDropColorData),
630 // this);
632 if ( def.isEditable() )
633 {
634 gtk_drag_dest_set( GTK_WIDGET(newBlot->gobj()),
635 GTK_DEST_DEFAULT_ALL,
636 destColorTargets,
637 G_N_ELEMENTS(destColorTargets),
638 GdkDragAction(GDK_ACTION_COPY | GDK_ACTION_MOVE) );
641 g_signal_connect( G_OBJECT(newBlot->gobj()),
642 "drag-data-received",
643 G_CALLBACK(_dropDataIn),
644 this );
645 }
647 g_signal_connect( G_OBJECT(newBlot->gobj()),
648 "destroy",
649 G_CALLBACK(dieDieDie),
650 this);
653 widget = newBlot;
654 }
656 _previews.push_back( widget );
658 return widget;
659 }
661 void ColorItem::buttonClicked(bool secondary)
662 {
663 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
664 if (desktop) {
665 char const * attrName = secondary ? "stroke" : "fill";
666 guint32 rgba = (def.getR() << 24) | (def.getG() << 16) | (def.getB() << 8) | 0xff;
667 gchar c[64];
668 sp_svg_write_color(c, sizeof(c), rgba);
670 SPCSSAttr *css = sp_repr_css_attr_new();
671 sp_repr_css_set_property( css, attrName, c );
672 sp_desktop_set_style(desktop, css);
674 sp_repr_css_attr_unref(css);
675 sp_document_done (sp_desktop_document (desktop), SP_VERB_DIALOG_SWATCHES,
676 secondary? _("Set stroke color from swatch") : _("Set fill color from swatch"));
677 }
678 }
683 static char* trim( char* str ) {
684 char* ret = str;
685 while ( *str && (*str == ' ' || *str == '\t') ) {
686 str++;
687 }
688 ret = str;
689 while ( *str ) {
690 str++;
691 }
692 str--;
693 while ( str > ret && ( *str == ' ' || *str == '\t' ) || *str == '\r' || *str == '\n' ) {
694 *str-- = 0;
695 }
696 return ret;
697 }
699 void skipWhitespace( char*& str ) {
700 while ( *str == ' ' || *str == '\t' ) {
701 str++;
702 }
703 }
705 bool parseNum( char*& str, int& val ) {
706 val = 0;
707 while ( '0' <= *str && *str <= '9' ) {
708 val = val * 10 + (*str - '0');
709 str++;
710 }
711 bool retval = !(*str == 0 || *str == ' ' || *str == '\t' || *str == '\r' || *str == '\n');
712 return retval;
713 }
716 static bool getBlock( std::string& dst, guchar ch, std::string const str )
717 {
718 bool good = false;
719 std::string::size_type pos = str.find(ch);
720 if ( pos != std::string::npos )
721 {
722 std::string::size_type pos2 = str.find( '(', pos );
723 if ( pos2 != std::string::npos ) {
724 std::string::size_type endPos = str.find( ')', pos2 );
725 if ( endPos != std::string::npos ) {
726 dst = str.substr( pos2 + 1, (endPos - pos2 - 1) );
727 good = true;
728 }
729 }
730 }
731 return good;
732 }
734 static bool popVal( guint64& numVal, std::string& str )
735 {
736 bool good = false;
737 std::string::size_type endPos = str.find(',');
738 if ( endPos == std::string::npos ) {
739 endPos = str.length();
740 }
742 if ( endPos != std::string::npos && endPos > 0 ) {
743 std::string xxx = str.substr( 0, endPos );
744 const gchar* ptr = xxx.c_str();
745 gchar* endPtr = 0;
746 numVal = g_ascii_strtoull( ptr, &endPtr, 10 );
747 if ( (numVal == G_MAXUINT64) && (ERANGE == errno) ) {
748 // overflow
749 } else if ( (numVal == 0) && (endPtr == ptr) ) {
750 // failed conversion
751 } else {
752 good = true;
753 str.erase( 0, endPos + 1 );
754 }
755 }
757 return good;
758 }
760 void ColorItem::_wireMagicColors( void* p )
761 {
762 JustForNow* onceMore = reinterpret_cast<JustForNow*>(p);
763 if ( onceMore )
764 {
765 for ( std::vector<ColorItem*>::iterator it = onceMore->_colors.begin(); it != onceMore->_colors.end(); ++it )
766 {
767 std::string::size_type pos = (*it)->def.descr.find("*{");
768 if ( pos != std::string::npos )
769 {
770 std::string subby = (*it)->def.descr.substr( pos + 2 );
771 std::string::size_type endPos = subby.find("}*");
772 if ( endPos != std::string::npos )
773 {
774 subby.erase( endPos );
775 //g_message("FOUND MAGIC at '%s'", (*it)->def.descr.c_str());
776 //g_message(" '%s'", subby.c_str());
778 if ( subby.find('E') != std::string::npos )
779 {
780 (*it)->def.setEditable( true );
781 }
783 if ( subby.find('L') != std::string::npos )
784 {
785 (*it)->_isLive = true;
786 }
788 std::string part;
789 // Tint. index + 1 more val.
790 if ( getBlock( part, 'T', subby ) ) {
791 guint64 colorIndex = 0;
792 if ( popVal( colorIndex, part ) ) {
793 guint64 percent = 0;
794 if ( popVal( percent, part ) ) {
795 (*it)->_linkTint( *(onceMore->_colors[colorIndex]), percent );
796 }
797 }
798 }
800 // Shade/tone. index + 1 or 2 more val.
801 if ( getBlock( part, 'S', subby ) ) {
802 guint64 colorIndex = 0;
803 if ( popVal( colorIndex, part ) ) {
804 guint64 percent = 0;
805 if ( popVal( percent, part ) ) {
806 guint64 grayLevel = 0;
807 if ( !popVal( grayLevel, part ) ) {
808 grayLevel = 0;
809 }
810 (*it)->_linkTone( *(onceMore->_colors[colorIndex]), percent, grayLevel );
811 }
812 }
813 }
815 }
816 }
817 }
818 }
819 }
822 void ColorItem::_linkTint( ColorItem& other, int percent )
823 {
824 if ( !_linkSrc )
825 {
826 other._listeners.push_back(this);
827 _linkIsTone = false;
828 _linkPercent = percent;
829 if ( _linkPercent > 100 )
830 _linkPercent = 100;
831 if ( _linkPercent < 0 )
832 _linkPercent = 0;
833 _linkGray = 0;
834 _linkSrc = &other;
836 ColorItem::_colorDefChanged(&other);
837 }
838 }
840 void ColorItem::_linkTone( ColorItem& other, int percent, int grayLevel )
841 {
842 if ( !_linkSrc )
843 {
844 other._listeners.push_back(this);
845 _linkIsTone = true;
846 _linkPercent = percent;
847 if ( _linkPercent > 100 )
848 _linkPercent = 100;
849 if ( _linkPercent < 0 )
850 _linkPercent = 0;
851 _linkGray = grayLevel;
852 _linkSrc = &other;
854 ColorItem::_colorDefChanged(&other);
855 }
856 }
859 void _loadPaletteFile( gchar const *filename )
860 {
861 char block[1024];
862 FILE *f = Inkscape::IO::fopen_utf8name( filename, "r" );
863 if ( f ) {
864 char* result = fgets( block, sizeof(block), f );
865 if ( result ) {
866 if ( strncmp( "GIMP Palette", block, 12 ) == 0 ) {
867 bool inHeader = true;
868 bool hasErr = false;
870 JustForNow *onceMore = new JustForNow();
872 do {
873 result = fgets( block, sizeof(block), f );
874 block[sizeof(block) - 1] = 0;
875 if ( result ) {
876 if ( block[0] == '#' ) {
877 // ignore comment
878 } else {
879 char *ptr = block;
880 // very simple check for header versus entry
881 while ( *ptr == ' ' || *ptr == '\t' ) {
882 ptr++;
883 }
884 if ( (*ptr == 0) || (*ptr == '\r') || (*ptr == '\n') ) {
885 // blank line. skip it.
886 } else if ( '0' <= *ptr && *ptr <= '9' ) {
887 // should be an entry link
888 inHeader = false;
889 ptr = block;
890 Glib::ustring name("");
891 int r = 0;
892 int g = 0;
893 int b = 0;
894 skipWhitespace(ptr);
895 if ( *ptr ) {
896 hasErr = parseNum(ptr, r);
897 if ( !hasErr ) {
898 skipWhitespace(ptr);
899 hasErr = parseNum(ptr, g);
900 }
901 if ( !hasErr ) {
902 skipWhitespace(ptr);
903 hasErr = parseNum(ptr, b);
904 }
905 if ( !hasErr && *ptr ) {
906 char* n = trim(ptr);
907 if (n != NULL) {
908 name = n;
909 }
910 }
911 if ( !hasErr ) {
912 // Add the entry now
913 Glib::ustring nameStr(name);
914 ColorItem* item = new ColorItem( r, g, b, nameStr );
915 onceMore->_colors.push_back(item);
916 }
917 } else {
918 hasErr = true;
919 }
920 } else {
921 if ( !inHeader ) {
922 // Hmmm... probably bad. Not quite the format we want?
923 hasErr = true;
924 } else {
925 char* sep = strchr(result, ':');
926 if ( sep ) {
927 *sep = 0;
928 char* val = trim(sep + 1);
929 char* name = trim(result);
930 if ( *name ) {
931 if ( strcmp( "Name", name ) == 0 )
932 {
933 onceMore->_name = val;
934 }
935 else if ( strcmp( "Columns", name ) == 0 )
936 {
937 gchar* endPtr = 0;
938 guint64 numVal = g_ascii_strtoull( val, &endPtr, 10 );
939 if ( (numVal == G_MAXUINT64) && (ERANGE == errno) ) {
940 // overflow
941 } else if ( (numVal == 0) && (endPtr == val) ) {
942 // failed conversion
943 } else {
944 onceMore->_prefWidth = numVal;
945 }
946 }
947 } else {
948 // error
949 hasErr = true;
950 }
951 } else {
952 // error
953 hasErr = true;
954 }
955 }
956 }
957 }
958 }
959 } while ( result && !hasErr );
960 if ( !hasErr ) {
961 possible.push_back(onceMore);
962 #if ENABLE_MAGIC_COLORS
963 ColorItem::_wireMagicColors( onceMore );
964 #endif // ENABLE_MAGIC_COLORS
965 } else {
966 delete onceMore;
967 }
968 }
969 }
971 fclose(f);
972 }
973 }
975 static void loadEmUp()
976 {
977 static bool beenHere = false;
978 if ( !beenHere ) {
979 beenHere = true;
981 std::list<gchar *> sources;
982 sources.push_back( profile_path("palettes") );
983 sources.push_back( g_strdup(INKSCAPE_PALETTESDIR) );
984 sources.push_back( g_strdup(CREATE_PALETTESDIR) );
986 // Use this loop to iterate through a list of possible document locations.
987 while (!sources.empty()) {
988 gchar *dirname = sources.front();
990 if ( Inkscape::IO::file_test( dirname, G_FILE_TEST_EXISTS )
991 && Inkscape::IO::file_test( dirname, G_FILE_TEST_IS_DIR )) {
992 GError *err = 0;
993 GDir *directory = g_dir_open(dirname, 0, &err);
994 if (!directory) {
995 gchar *safeDir = Inkscape::IO::sanitizeString(dirname);
996 g_warning(_("Palettes directory (%s) is unavailable."), safeDir);
997 g_free(safeDir);
998 } else {
999 gchar *filename = 0;
1000 while ((filename = (gchar *)g_dir_read_name(directory)) != NULL) {
1001 gchar* lower = g_ascii_strdown( filename, -1 );
1002 // if ( g_str_has_suffix(lower, ".gpl") ) {
1003 gchar* full = g_build_filename(dirname, filename, NULL);
1004 if ( !Inkscape::IO::file_test( full, G_FILE_TEST_IS_DIR ) ) {
1005 _loadPaletteFile(full);
1006 }
1007 g_free(full);
1008 // }
1009 g_free(lower);
1010 }
1011 g_dir_close(directory);
1012 }
1013 }
1015 // toss the dirname
1016 g_free(dirname);
1017 sources.pop_front();
1018 }
1019 }
1020 }
1030 SwatchesPanel& SwatchesPanel::getInstance()
1031 {
1032 return *new SwatchesPanel();
1033 }
1036 /**
1037 * Constructor
1038 */
1039 SwatchesPanel::SwatchesPanel(gchar const* prefsPath) :
1040 Inkscape::UI::Widget::Panel("", prefsPath, SP_VERB_DIALOG_SWATCHES, "", true),
1041 _holder(0)
1042 {
1043 Gtk::RadioMenuItem* hotItem = 0;
1044 _holder = new PreviewHolder();
1045 loadEmUp();
1047 if ( !possible.empty() ) {
1048 JustForNow* first = 0;
1049 Glib::ustring targetName;
1050 if ( !_prefs_path.empty() ) {
1051 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
1052 targetName = prefs->getString(_prefs_path + "/palette");
1053 if (!targetName.empty()) {
1054 for ( std::vector<JustForNow*>::iterator iter = possible.begin(); iter != possible.end(); ++iter ) {
1055 if ( (*iter)->_name == targetName ) {
1056 first = *iter;
1057 break;
1058 }
1059 }
1060 }
1061 }
1063 if ( !first ) {
1064 first = possible.front();
1065 }
1067 if ( first->_prefWidth > 0 ) {
1068 _holder->setColumnPref( first->_prefWidth );
1069 }
1070 _holder->freezeUpdates();
1071 for ( std::vector<ColorItem*>::iterator it = first->_colors.begin(); it != first->_colors.end(); it++ ) {
1072 _holder->addPreview(*it);
1073 }
1074 _holder->thawUpdates();
1076 Gtk::RadioMenuItem::Group groupOne;
1077 int i = 0;
1078 for ( std::vector<JustForNow*>::iterator it = possible.begin(); it != possible.end(); it++ ) {
1079 JustForNow* curr = *it;
1080 Gtk::RadioMenuItem* single = manage(new Gtk::RadioMenuItem(groupOne, curr->_name));
1081 if ( curr == first ) {
1082 hotItem = single;
1083 }
1084 _regItem( single, 3, i );
1085 i++;
1086 }
1088 }
1091 _getContents()->pack_start(*_holder, Gtk::PACK_EXPAND_WIDGET);
1092 _setTargetFillable(_holder);
1094 show_all_children();
1096 restorePanelPrefs();
1097 if ( hotItem ) {
1098 hotItem->set_active();
1099 }
1100 }
1102 SwatchesPanel::~SwatchesPanel()
1103 {
1104 }
1106 void SwatchesPanel::setOrientation( Gtk::AnchorType how )
1107 {
1108 // Must call the parent class or bad things might happen
1109 Inkscape::UI::Widget::Panel::setOrientation( how );
1111 if ( _holder )
1112 {
1113 _holder->setOrientation( Gtk::ANCHOR_SOUTH );
1114 }
1115 }
1117 void SwatchesPanel::_handleAction( int setId, int itemId )
1118 {
1119 switch( setId ) {
1120 case 3:
1121 {
1122 if ( itemId >= 0 && itemId < static_cast<int>(possible.size()) ) {
1123 _holder->clear();
1124 JustForNow* curr = possible[itemId];
1126 if ( !_prefs_path.empty() ) {
1127 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
1128 prefs->setString(_prefs_path + "/palette", curr->_name);
1129 }
1131 if ( curr->_prefWidth > 0 ) {
1132 _holder->setColumnPref( curr->_prefWidth );
1133 }
1134 _holder->freezeUpdates();
1135 for ( std::vector<ColorItem*>::iterator it = curr->_colors.begin(); it != curr->_colors.end(); it++ ) {
1136 _holder->addPreview(*it);
1137 }
1138 _holder->thawUpdates();
1139 }
1140 }
1141 break;
1142 }
1143 }
1145 } //namespace Dialogs
1146 } //namespace UI
1147 } //namespace Inkscape
1150 /*
1151 Local Variables:
1152 mode:c++
1153 c-file-style:"stroustrup"
1154 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1155 indent-tabs-mode:nil
1156 fill-column:99
1157 End:
1158 */
1159 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :