swatches.cpp revision 839598cdda20adbc1a3b5d0982c13558440d1fcb
/** @file
* @brief Color swatches dialog
*/
/* Authors:
* Jon A. Cruz
* John Bintz
*
* Copyright (C) 2005 Jon A. Cruz
* Copyright (C) 2008 John Bintz
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include <errno.h>
#include <map>
#include <gtk/gtkdialog.h> //for GTK_RESPONSE* types
#include <gtk/gtkdnd.h>
#include <gtk/gtkmenu.h>
#include <gtk/gtkmenuitem.h>
#include <gtk/gtkseparatormenuitem.h>
#include <glibmm/i18n.h>
#include <gdkmm/pixbuf.h>
#include "desktop.h"
#include "desktop-handles.h"
#include "desktop-style.h"
#include "document.h"
#include "document-private.h"
#include "extension/db.h"
#include "inkscape.h"
#include "inkscape.h"
#include "io/sys.h"
#include "io/resource.h"
#include "message-context.h"
#include "path-prefix.h"
#include "preferences.h"
#include "sp-item.h"
#include "svg/svg-color.h"
#include "sp-gradient-fns.h"
#include "sp-gradient.h"
#include "sp-gradient-vector.h"
#include "swatches.h"
#include "style.h"
#include "widgets/gradient-vector.h"
#include "widgets/eek-preview.h"
#include "display/nr-plain-stuff.h"
#include "sp-gradient-reference.h"
#define USE_DOCUMENT_PALETTE 1
namespace Inkscape {
namespace UI {
namespace Dialogs {
#define VBLOCK 16
void _loadPaletteFile( gchar const *filename );
/**
* The color swatch you see on screen as a clickable box.
*/
class ColorItem : public Inkscape::UI::Previewable
{
friend void _loadPaletteFile( gchar const *filename );
public:
ColorItem( ege::PaintDef::ColorType type );
ColorItem( unsigned int r, unsigned int g, unsigned int b,
Glib::ustring& name );
virtual ~ColorItem();
ColorItem(ColorItem const &other);
virtual ColorItem &operator=(ColorItem const &other);
virtual Gtk::Widget* getPreview(PreviewStyle style,
ViewType view,
::PreviewSize size,
guint ratio);
void buttonClicked(bool secondary = false);
void setState( bool fill, bool stroke );
bool isFill() { return _isFill; }
bool isStroke() { return _isStroke; }
ege::PaintDef def;
void* ptr;
private:
static void _dropDataIn( GtkWidget *widget,
GdkDragContext *drag_context,
gint x, gint y,
GtkSelectionData *data,
guint info,
guint event_time,
gpointer user_data);
static void _dragGetColorData( GtkWidget *widget,
GdkDragContext *drag_context,
GtkSelectionData *data,
guint info,
guint time,
gpointer user_data);
static void _wireMagicColors( void* p );
static void _colorDefChanged(void* data);
void _linkTint( ColorItem& other, int percent );
void _linkTone( ColorItem& other, int percent, int grayLevel );
Gtk::Tooltips tips;
std::vector<Gtk::Widget*> _previews;
bool _isFill;
bool _isStroke;
bool _isLive;
bool _linkIsTone;
int _linkPercent;
int _linkGray;
ColorItem* _linkSrc;
std::vector<ColorItem*> _listeners;
};
ColorItem::ColorItem(ege::PaintDef::ColorType type) :
def(type),
ptr(0),
_isFill(false),
_isStroke(false),
_isLive(false),
_linkIsTone(false),
_linkPercent(0),
_linkGray(0),
_linkSrc(0)
{
}
ColorItem::ColorItem( unsigned int r, unsigned int g, unsigned int b, Glib::ustring& name ) :
def( r, g, b, name ),
ptr(0),
_isFill(false),
_isStroke(false),
_isLive(false),
_linkIsTone(false),
_linkPercent(0),
_linkGray(0),
_linkSrc(0)
{
}
ColorItem::~ColorItem()
{
}
ColorItem::ColorItem(ColorItem const &other) :
Inkscape::UI::Previewable()
{
if ( this != &other ) {
*this = other;
}
}
ColorItem &ColorItem::operator=(ColorItem const &other)
{
if ( this != &other ) {
def = other.def;
// TODO - correct linkage
_linkSrc = other._linkSrc;
g_message("Erk!");
}
return *this;
}
void ColorItem::setState( bool fill, bool stroke )
{
if ( (_isFill != fill) || (_isStroke != stroke) ) {
_isFill = fill;
_isStroke = stroke;
for ( std::vector<Gtk::Widget*>::iterator it = _previews.begin(); it != _previews.end(); ++it ) {
Gtk::Widget* widget = *it;
if ( IS_EEK_PREVIEW(widget->gobj()) ) {
EekPreview * preview = EEK_PREVIEW(widget->gobj());
int val = eek_preview_get_linked( preview );
val &= ~(PREVIEW_FILL | PREVIEW_STROKE);
if ( _isFill ) {
val |= PREVIEW_FILL;
}
if ( _isStroke ) {
val |= PREVIEW_STROKE;
}
eek_preview_set_linked( preview, static_cast<LinkType>(val) );
}
}
}
}
class JustForNow
{
public:
JustForNow() : _prefWidth(0) {}
Glib::ustring _name;
int _prefWidth;
std::vector<ColorItem*> _colors;
};
static std::vector<JustForNow*> possible;
static std::vector<std::string> mimeStrings;
static std::map<std::string, guint> mimeToInt;
static std::map<ColorItem*, guchar*> previewMap;
static std::map<ColorItem*, SPGradient*> gradMap; // very temporary workaround.
void ColorItem::_dragGetColorData( GtkWidget */*widget*/,
GdkDragContext */*drag_context*/,
GtkSelectionData *data,
guint info,
guint /*time*/,
gpointer user_data)
{
ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
std::string key;
if ( info < mimeStrings.size() ) {
key = mimeStrings[info];
} else {
g_warning("ERROR: unknown value (%d)", info);
}
if ( !key.empty() ) {
char* tmp = 0;
int len = 0;
int format = 0;
item->def.getMIMEData(key, tmp, len, format);
if ( tmp ) {
GdkAtom dataAtom = gdk_atom_intern( key.c_str(), FALSE );
gtk_selection_data_set( data, dataAtom, format, (guchar*)tmp, len );
delete[] tmp;
}
}
}
static void dragBegin( GtkWidget */*widget*/, GdkDragContext* dc, gpointer data )
{
ColorItem* item = reinterpret_cast<ColorItem*>(data);
if ( item )
{
using Inkscape::IO::Resource::get_path;
using Inkscape::IO::Resource::ICONS;
using Inkscape::IO::Resource::SYSTEM;
int width = 32;
int height = 24;
if (item->def.getType() != ege::PaintDef::RGB){
GError *error = NULL;
gsize bytesRead = 0;
gsize bytesWritten = 0;
gchar *localFilename = g_filename_from_utf8( get_path(SYSTEM, ICONS, "remove-color.png"),
-1,
&bytesRead,
&bytesWritten,
&error);
GdkPixbuf* pixbuf = gdk_pixbuf_new_from_file_at_scale(localFilename, width, height, FALSE, &error);
g_free(localFilename);
gtk_drag_set_icon_pixbuf( dc, pixbuf, 0, 0 );
} else {
GdkPixbuf* pixbuf = 0;
if ( gradMap.find(item) == gradMap.end() ){
Glib::RefPtr<Gdk::Pixbuf> thumb = Gdk::Pixbuf::create( Gdk::COLORSPACE_RGB, false, 8, width, height );
guint32 fillWith = (0xff000000 & (item->def.getR() << 24))
| (0x00ff0000 & (item->def.getG() << 16))
| (0x0000ff00 & (item->def.getB() << 8));
thumb->fill( fillWith );
pixbuf = thumb->gobj();
} else {
SPGradient* grad = gradMap[item];
guchar* px = g_new( guchar, 3 * height * width );
nr_render_checkerboard_rgb( px, width, height, 3 * width, 0, 0 );
sp_gradient_render_vector_block_rgb( grad,
px, width, height, 3 * width,
0, width, TRUE );
pixbuf = gdk_pixbuf_new_from_data( px, GDK_COLORSPACE_RGB, FALSE, 8,
width, height, width * 3,
0, // add delete function
0 );
}
gtk_drag_set_icon_pixbuf( dc, pixbuf, 0, 0 );
}
}
}
//"drag-drop"
// gboolean dragDropColorData( GtkWidget *widget,
// GdkDragContext *drag_context,
// gint x,
// gint y,
// guint time,
// gpointer user_data)
// {
// // TODO finish
// return TRUE;
// }
static void handleClick( GtkWidget* /*widget*/, gpointer callback_data ) {
ColorItem* item = reinterpret_cast<ColorItem*>(callback_data);
if ( item ) {
item->buttonClicked(false);
}
}
static void handleSecondaryClick( GtkWidget* /*widget*/, gint /*arg1*/, gpointer callback_data ) {
ColorItem* item = reinterpret_cast<ColorItem*>(callback_data);
if ( item ) {
item->buttonClicked(true);
}
}
static gboolean handleEnterNotify( GtkWidget* /*widget*/, GdkEventCrossing* /*event*/, gpointer callback_data ) {
ColorItem* item = reinterpret_cast<ColorItem*>(callback_data);
if ( item ) {
SPDesktop *desktop = SP_ACTIVE_DESKTOP;
if ( desktop ) {
gchar* msg = g_strdup_printf(_("Color: <b>%s</b>; <b>Click</b> to set fill, <b>Shift+click</b> to set stroke"),
item->def.descr.c_str());
desktop->tipsMessageContext()->set(Inkscape::INFORMATION_MESSAGE, msg);
g_free(msg);
}
}
return FALSE;
}
static gboolean handleLeaveNotify( GtkWidget* /*widget*/, GdkEventCrossing* /*event*/, gpointer callback_data ) {
ColorItem* item = reinterpret_cast<ColorItem*>(callback_data);
if ( item ) {
SPDesktop *desktop = SP_ACTIVE_DESKTOP;
if ( desktop ) {
desktop->tipsMessageContext()->clear();
}
}
return FALSE;
}
static GtkWidget* popupMenu = 0;
static std::vector<GtkWidget*> popupExtras;
static ColorItem* bounceTarget = 0;
static void redirClick( GtkMenuItem *menuitem, gpointer /*user_data*/ )
{
if ( bounceTarget ) {
handleClick( GTK_WIDGET(menuitem), bounceTarget );
}
}
static void redirSecondaryClick( GtkMenuItem *menuitem, gpointer /*user_data*/ )
{
if ( bounceTarget ) {
handleSecondaryClick( GTK_WIDGET(menuitem), 0, bounceTarget );
}
}
#if USE_DOCUMENT_PALETTE
static void editGradientImpl( SPGradient* gr )
{
if ( gr ) {
GtkWidget *dialog = sp_gradient_vector_editor_new( gr );
gtk_widget_show( dialog );
}
}
static void editGradient( GtkMenuItem */*menuitem*/, gpointer /*user_data*/ )
{
if ( bounceTarget ) {
SwatchesPanel* swp = bounceTarget->ptr ? reinterpret_cast<SwatchesPanel*>(bounceTarget->ptr) : 0;
SPDesktop* desktop = swp ? swp->getDesktop() : 0;
SPDocument *doc = desktop ? desktop->doc() : 0;
if (doc) {
std::string targetName(bounceTarget->def.descr);
const GSList *gradients = sp_document_get_resource_list(doc, "gradient");
for (const GSList *item = gradients; item; item = item->next) {
SPGradient* grad = SP_GRADIENT(item->data);
if ( targetName == grad->getId() ) {
editGradientImpl( grad );
break;
}
}
}
}
}
static void addNewGradient( GtkMenuItem */*menuitem*/, gpointer /*user_data*/ )
{
if ( bounceTarget ) {
SwatchesPanel* swp = bounceTarget->ptr ? reinterpret_cast<SwatchesPanel*>(bounceTarget->ptr) : 0;
SPDesktop* desktop = swp ? swp->getDesktop() : 0;
SPDocument *doc = desktop ? desktop->doc() : 0;
if (doc) {
Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
Inkscape::XML::Node *repr = xml_doc->createElement("svg:linearGradient");
repr->setAttribute("osb:paint", "solid");
Inkscape::XML::Node *stop = xml_doc->createElement("svg:stop");
stop->setAttribute("offset", "0");
stop->setAttribute("style", "stop-color:#000;stop-opacity:1;");
repr->appendChild(stop);
Inkscape::GC::release(stop);
SP_OBJECT_REPR( SP_DOCUMENT_DEFS(doc) )->addChild(repr, NULL);
SPGradient * gr = static_cast<SPGradient *>(doc->getObjectByRepr(repr));
Inkscape::GC::release(repr);
editGradientImpl( gr );
// Work-around for timing of gradient addition change. Must follow edit.
if ( swp ) {
swp->handleGradientsChange();
}
}
}
}
#endif // USE_DOCUMENT_PALETTE
static gboolean handleButtonPress( GtkWidget* /*widget*/, GdkEventButton* event, gpointer user_data)
{
gboolean handled = FALSE;
if ( (event->button == 3) && (event->type == GDK_BUTTON_PRESS) ) {
if ( !popupMenu ) {
popupMenu = gtk_menu_new();
GtkWidget* child = 0;
//TRANSLATORS: An item in context menu on a colour in the swatches
child = gtk_menu_item_new_with_label(_("Set fill"));
g_signal_connect( G_OBJECT(child),
"activate",
G_CALLBACK(redirClick),
user_data);
gtk_menu_shell_append(GTK_MENU_SHELL(popupMenu), child);
//TRANSLATORS: An item in context menu on a colour in the swatches
child = gtk_menu_item_new_with_label(_("Set stroke"));
g_signal_connect( G_OBJECT(child),
"activate",
G_CALLBACK(redirSecondaryClick),
user_data);
gtk_menu_shell_append(GTK_MENU_SHELL(popupMenu), child);
#if USE_DOCUMENT_PALETTE
child = gtk_separator_menu_item_new();
gtk_menu_shell_append(GTK_MENU_SHELL(popupMenu), child);
popupExtras.push_back(child);
child = gtk_menu_item_new_with_label(_("Add"));
g_signal_connect( G_OBJECT(child),
"activate",
G_CALLBACK(addNewGradient),
user_data );
gtk_menu_shell_append(GTK_MENU_SHELL(popupMenu), child);
popupExtras.push_back(child);
child = gtk_menu_item_new_with_label(_("Delete"));
gtk_menu_shell_append(GTK_MENU_SHELL(popupMenu), child);
//popupExtras.push_back(child);
gtk_widget_set_sensitive( child, FALSE );
child = gtk_menu_item_new_with_label(_("Edit..."));
g_signal_connect( G_OBJECT(child),
"activate",
G_CALLBACK(editGradient),
user_data );
gtk_menu_shell_append(GTK_MENU_SHELL(popupMenu), child);
popupExtras.push_back(child);
child = gtk_separator_menu_item_new();
gtk_menu_shell_append(GTK_MENU_SHELL(popupMenu), child);
popupExtras.push_back(child);
child = gtk_menu_item_new_with_label(_("Convert"));
gtk_menu_shell_append(GTK_MENU_SHELL(popupMenu), child);
//popupExtras.push_back(child);
gtk_widget_set_sensitive( child, FALSE );
#endif // USE_DOCUMENT_PALETTE
gtk_widget_show_all(popupMenu);
}
ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
if ( item ) {
SwatchesPanel* swp = item->ptr ? reinterpret_cast<SwatchesPanel*>(item->ptr) : 0;
bool show = swp && (swp->getSelectedIndex() == 0);
for ( std::vector<GtkWidget*>::iterator it = popupExtras.begin(); it != popupExtras.end(); ++ it) {
gtk_widget_set_sensitive(*it, show);
}
bounceTarget = item;
if ( popupMenu ) {
gtk_menu_popup(GTK_MENU(popupMenu), NULL, NULL, NULL, NULL, event->button, event->time);
handled = TRUE;
}
}
}
return handled;
}
static void dieDieDie( GtkObject *obj, gpointer user_data )
{
g_message("die die die %p %p", obj, user_data );
}
#include "color.h" // for SP_RGBA32_U_COMPOSE
void ColorItem::_dropDataIn( GtkWidget */*widget*/,
GdkDragContext */*drag_context*/,
gint /*x*/, gint /*y*/,
GtkSelectionData */*data*/,
guint /*info*/,
guint /*event_time*/,
gpointer /*user_data*/)
{
}
static bool bruteForce( SPDocument* document, Inkscape::XML::Node* node, Glib::ustring const& match, int r, int g, int b )
{
bool changed = false;
if ( node ) {
gchar const * val = node->attribute("inkscape:x-fill-tag");
if ( val && (match == val) ) {
SPObject *obj = document->getObjectByRepr( node );
gchar c[64] = {0};
sp_svg_write_color( c, sizeof(c), SP_RGBA32_U_COMPOSE( r, g, b, 0xff ) );
SPCSSAttr *css = sp_repr_css_attr_new();
sp_repr_css_set_property( css, "fill", c );
sp_desktop_apply_css_recursive( (SPItem*)obj, css, true );
((SPItem*)obj)->updateRepr();
changed = true;
}
val = node->attribute("inkscape:x-stroke-tag");
if ( val && (match == val) ) {
SPObject *obj = document->getObjectByRepr( node );
gchar c[64] = {0};
sp_svg_write_color( c, sizeof(c), SP_RGBA32_U_COMPOSE( r, g, b, 0xff ) );
SPCSSAttr *css = sp_repr_css_attr_new();
sp_repr_css_set_property( css, "stroke", c );
sp_desktop_apply_css_recursive( (SPItem*)obj, css, true );
((SPItem*)obj)->updateRepr();
changed = true;
}
Inkscape::XML::Node* first = node->firstChild();
changed |= bruteForce( document, first, match, r, g, b );
changed |= bruteForce( document, node->next(), match, r, g, b );
}
return changed;
}
void ColorItem::_colorDefChanged(void* data)
{
ColorItem* item = reinterpret_cast<ColorItem*>(data);
if ( item ) {
for ( std::vector<Gtk::Widget*>::iterator it = item->_previews.begin(); it != item->_previews.end(); ++it ) {
Gtk::Widget* widget = *it;
if ( IS_EEK_PREVIEW(widget->gobj()) ) {
EekPreview * preview = EEK_PREVIEW(widget->gobj());
eek_preview_set_color( preview,
(item->def.getR() << 8) | item->def.getR(),
(item->def.getG() << 8) | item->def.getG(),
(item->def.getB() << 8) | item->def.getB() );
eek_preview_set_linked( preview, (LinkType)((item->_linkSrc ? PREVIEW_LINK_IN:0)
| (item->_listeners.empty() ? 0:PREVIEW_LINK_OUT)
| (item->_isLive ? PREVIEW_LINK_OTHER:0)) );
widget->queue_draw();
}
}
for ( std::vector<ColorItem*>::iterator it = item->_listeners.begin(); it != item->_listeners.end(); ++it ) {
guint r = item->def.getR();
guint g = item->def.getG();
guint b = item->def.getB();
if ( (*it)->_linkIsTone ) {
r = ( ((*it)->_linkPercent * (*it)->_linkGray) + ((100 - (*it)->_linkPercent) * r) ) / 100;
g = ( ((*it)->_linkPercent * (*it)->_linkGray) + ((100 - (*it)->_linkPercent) * g) ) / 100;
b = ( ((*it)->_linkPercent * (*it)->_linkGray) + ((100 - (*it)->_linkPercent) * b) ) / 100;
} else {
r = ( ((*it)->_linkPercent * 255) + ((100 - (*it)->_linkPercent) * r) ) / 100;
g = ( ((*it)->_linkPercent * 255) + ((100 - (*it)->_linkPercent) * g) ) / 100;
b = ( ((*it)->_linkPercent * 255) + ((100 - (*it)->_linkPercent) * b) ) / 100;
}
(*it)->def.setRGB( r, g, b );
}
// Look for objects using this color
{
SPDesktop *desktop = SP_ACTIVE_DESKTOP;
if ( desktop ) {
SPDocument* document = sp_desktop_document( desktop );
Inkscape::XML::Node *rroot = sp_document_repr_root( document );
if ( rroot ) {
// Find where this thing came from
Glib::ustring paletteName;
bool found = false;
int index = 0;
for ( std::vector<JustForNow*>::iterator it2 = possible.begin(); it2 != possible.end() && !found; ++it2 ) {
JustForNow* curr = *it2;
index = 0;
for ( std::vector<ColorItem*>::iterator zz = curr->_colors.begin(); zz != curr->_colors.end(); ++zz ) {
if ( item == *zz ) {
found = true;
paletteName = curr->_name;
break;
} else {
index++;
}
}
}
if ( !paletteName.empty() ) {
gchar* str = g_strdup_printf("%d|", index);
paletteName.insert( 0, str );
g_free(str);
str = 0;
if ( bruteForce( document, rroot, paletteName, item->def.getR(), item->def.getG(), item->def.getB() ) ) {
sp_document_done( document , SP_VERB_DIALOG_SWATCHES,
_("Change color definition"));
}
}
}
}
}
}
}
Gtk::Widget* ColorItem::getPreview(PreviewStyle style, ViewType view, ::PreviewSize size, guint ratio)
{
Gtk::Widget* widget = 0;
if ( style == PREVIEW_STYLE_BLURB) {
Gtk::Label *lbl = new Gtk::Label(def.descr);
lbl->set_alignment(Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER);
widget = lbl;
} else {
// Glib::ustring blank(" ");
// if ( size == Inkscape::ICON_SIZE_MENU || size == Inkscape::ICON_SIZE_DECORATION ) {
// blank = " ";
// }
GtkWidget* eekWidget = eek_preview_new();
EekPreview * preview = EEK_PREVIEW(eekWidget);
Gtk::Widget* newBlot = Glib::wrap(eekWidget);
if ( previewMap.find(this) == previewMap.end() ){
eek_preview_set_color( preview, (def.getR() << 8) | def.getR(),
(def.getG() << 8) | def.getG(),
(def.getB() << 8) | def.getB());
} else {
guchar* px = previewMap[this];
int width = 128;
int height = 16;
GdkPixbuf* pixbuf = gdk_pixbuf_new_from_data( px, GDK_COLORSPACE_RGB, FALSE, 8,
width, height, width * 3,
0, // add delete function
0 );
eek_preview_set_pixbuf( preview, pixbuf );
}
if ( def.getType() != ege::PaintDef::RGB ) {
using Inkscape::IO::Resource::get_path;
using Inkscape::IO::Resource::ICONS;
using Inkscape::IO::Resource::SYSTEM;
GError *error = NULL;
gsize bytesRead = 0;
gsize bytesWritten = 0;
gchar *localFilename = g_filename_from_utf8( get_path(SYSTEM, ICONS, "remove-color.png"),
-1,
&bytesRead,
&bytesWritten,
&error);
GdkPixbuf* pixbuf = gdk_pixbuf_new_from_file(localFilename, &error);
if (!pixbuf) {
g_warning("Null pixbuf for %p [%s]", localFilename, localFilename );
}
g_free(localFilename);
eek_preview_set_pixbuf( preview, pixbuf );
}
eek_preview_set_details( preview, (::PreviewStyle)style, (::ViewType)view, (::PreviewSize)size, ratio );
eek_preview_set_linked( preview, (LinkType)((_linkSrc ? PREVIEW_LINK_IN:0)
| (_listeners.empty() ? 0:PREVIEW_LINK_OUT)
| (_isLive ? PREVIEW_LINK_OTHER:0)) );
def.addCallback( _colorDefChanged, this );
GValue val = {0, {{0}, {0}}};
g_value_init( &val, G_TYPE_BOOLEAN );
g_value_set_boolean( &val, FALSE );
g_object_set_property( G_OBJECT(preview), "focus-on-click", &val );
/*
Gtk::Button *btn = new Gtk::Button(blank);
Gdk::Color color;
color.set_rgb((_r << 8)|_r, (_g << 8)|_g, (_b << 8)|_b);
btn->modify_bg(Gtk::STATE_NORMAL, color);
btn->modify_bg(Gtk::STATE_ACTIVE, color);
btn->modify_bg(Gtk::STATE_PRELIGHT, color);
btn->modify_bg(Gtk::STATE_SELECTED, color);
Gtk::Widget* newBlot = btn;
*/
tips.set_tip((*newBlot), def.descr);
/*
newBlot->signal_clicked().connect( sigc::mem_fun(*this, &ColorItem::buttonClicked) );
sigc::signal<void> type_signal_something;
*/
g_signal_connect( G_OBJECT(newBlot->gobj()),
"clicked",
G_CALLBACK(handleClick),
this);
g_signal_connect( G_OBJECT(newBlot->gobj()),
"alt-clicked",
G_CALLBACK(handleSecondaryClick),
this);
g_signal_connect( G_OBJECT(newBlot->gobj()),
"button-press-event",
G_CALLBACK(handleButtonPress),
this);
{
std::vector<std::string> listing = def.getMIMETypes();
int entryCount = listing.size();
GtkTargetEntry* entries = new GtkTargetEntry[entryCount];
GtkTargetEntry* curr = entries;
for ( std::vector<std::string>::iterator it = listing.begin(); it != listing.end(); ++it ) {
curr->target = g_strdup(it->c_str());
curr->flags = 0;
if ( mimeToInt.find(*it) == mimeToInt.end() ){
// these next lines are order-dependent:
mimeToInt[*it] = mimeStrings.size();
mimeStrings.push_back(*it);
}
curr->info = mimeToInt[curr->target];
curr++;
}
gtk_drag_source_set( GTK_WIDGET(newBlot->gobj()),
GDK_BUTTON1_MASK,
entries, entryCount,
GdkDragAction(GDK_ACTION_MOVE | GDK_ACTION_COPY) );
for ( int i = 0; i < entryCount; i++ ) {
g_free(entries[i].target);
}
delete[] entries;
}
g_signal_connect( G_OBJECT(newBlot->gobj()),
"drag-data-get",
G_CALLBACK(ColorItem::_dragGetColorData),
this);
g_signal_connect( G_OBJECT(newBlot->gobj()),
"drag-begin",
G_CALLBACK(dragBegin),
this );
g_signal_connect( G_OBJECT(newBlot->gobj()),
"enter-notify-event",
G_CALLBACK(handleEnterNotify),
this);
g_signal_connect( G_OBJECT(newBlot->gobj()),
"leave-notify-event",
G_CALLBACK(handleLeaveNotify),
this);
// g_signal_connect( G_OBJECT(newBlot->gobj()),
// "drag-drop",
// G_CALLBACK(dragDropColorData),
// this);
if ( def.isEditable() )
{
// gtk_drag_dest_set( GTK_WIDGET(newBlot->gobj()),
// GTK_DEST_DEFAULT_ALL,
// destColorTargets,
// G_N_ELEMENTS(destColorTargets),
// GdkDragAction(GDK_ACTION_COPY | GDK_ACTION_MOVE) );
// g_signal_connect( G_OBJECT(newBlot->gobj()),
// "drag-data-received",
// G_CALLBACK(_dropDataIn),
// this );
}
g_signal_connect( G_OBJECT(newBlot->gobj()),
"destroy",
G_CALLBACK(dieDieDie),
this);
widget = newBlot;
}
_previews.push_back( widget );
return widget;
}
void ColorItem::buttonClicked(bool secondary)
{
SPDesktop *desktop = SP_ACTIVE_DESKTOP;
if (desktop) {
char const * attrName = secondary ? "stroke" : "fill";
SPCSSAttr *css = sp_repr_css_attr_new();
Glib::ustring descr;
switch (def.getType()) {
case ege::PaintDef::CLEAR: {
// TODO actually make this clear
sp_repr_css_set_property( css, attrName, "none" );
descr = secondary? _("Remove stroke color") : _("Remove fill color");
break;
}
case ege::PaintDef::NONE: {
sp_repr_css_set_property( css, attrName, "none" );
descr = secondary? _("Set stroke color to none") : _("Set fill color to none");
break;
}
case ege::PaintDef::RGB: {
Glib::ustring colorspec;
if ( gradMap.find(this) == gradMap.end() ){
gchar c[64];
guint32 rgba = (def.getR() << 24) | (def.getG() << 16) | (def.getB() << 8) | 0xff;
sp_svg_write_color(c, sizeof(c), rgba);
colorspec = c;
} else {
SPGradient* grad = gradMap[this];
colorspec = "url(#";
colorspec += grad->getId();
colorspec += ")";
}
sp_repr_css_set_property( css, attrName, colorspec.c_str() );
descr = secondary? _("Set stroke color from swatch") : _("Set fill color from swatch");
break;
}
}
sp_desktop_set_style(desktop, css);
sp_repr_css_attr_unref(css);
sp_document_done( sp_desktop_document(desktop), SP_VERB_DIALOG_SWATCHES, descr.c_str() );
}
}
static char* trim( char* str ) {
char* ret = str;
while ( *str && (*str == ' ' || *str == '\t') ) {
str++;
}
ret = str;
while ( *str ) {
str++;
}
str--;
while ( str > ret && (( *str == ' ' || *str == '\t' ) || *str == '\r' || *str == '\n') ) {
*str-- = 0;
}
return ret;
}
void skipWhitespace( char*& str ) {
while ( *str == ' ' || *str == '\t' ) {
str++;
}
}
bool parseNum( char*& str, int& val ) {
val = 0;
while ( '0' <= *str && *str <= '9' ) {
val = val * 10 + (*str - '0');
str++;
}
bool retval = !(*str == 0 || *str == ' ' || *str == '\t' || *str == '\r' || *str == '\n');
return retval;
}
static bool getBlock( std::string& dst, guchar ch, std::string const str )
{
bool good = false;
std::string::size_type pos = str.find(ch);
if ( pos != std::string::npos )
{
std::string::size_type pos2 = str.find( '(', pos );
if ( pos2 != std::string::npos ) {
std::string::size_type endPos = str.find( ')', pos2 );
if ( endPos != std::string::npos ) {
dst = str.substr( pos2 + 1, (endPos - pos2 - 1) );
good = true;
}
}
}
return good;
}
static bool popVal( guint64& numVal, std::string& str )
{
bool good = false;
std::string::size_type endPos = str.find(',');
if ( endPos == std::string::npos ) {
endPos = str.length();
}
if ( endPos != std::string::npos && endPos > 0 ) {
std::string xxx = str.substr( 0, endPos );
const gchar* ptr = xxx.c_str();
gchar* endPtr = 0;
numVal = g_ascii_strtoull( ptr, &endPtr, 10 );
if ( (numVal == G_MAXUINT64) && (ERANGE == errno) ) {
// overflow
} else if ( (numVal == 0) && (endPtr == ptr) ) {
// failed conversion
} else {
good = true;
str.erase( 0, endPos + 1 );
}
}
return good;
}
void ColorItem::_wireMagicColors( void* p )
{
JustForNow* onceMore = reinterpret_cast<JustForNow*>(p);
if ( onceMore )
{
for ( std::vector<ColorItem*>::iterator it = onceMore->_colors.begin(); it != onceMore->_colors.end(); ++it )
{
std::string::size_type pos = (*it)->def.descr.find("*{");
if ( pos != std::string::npos )
{
std::string subby = (*it)->def.descr.substr( pos + 2 );
std::string::size_type endPos = subby.find("}*");
if ( endPos != std::string::npos )
{
subby.erase( endPos );
//g_message("FOUND MAGIC at '%s'", (*it)->def.descr.c_str());
//g_message(" '%s'", subby.c_str());
if ( subby.find('E') != std::string::npos )
{
(*it)->def.setEditable( true );
}
if ( subby.find('L') != std::string::npos )
{
(*it)->_isLive = true;
}
std::string part;
// Tint. index + 1 more val.
if ( getBlock( part, 'T', subby ) ) {
guint64 colorIndex = 0;
if ( popVal( colorIndex, part ) ) {
guint64 percent = 0;
if ( popVal( percent, part ) ) {
(*it)->_linkTint( *(onceMore->_colors[colorIndex]), percent );
}
}
}
// Shade/tone. index + 1 or 2 more val.
if ( getBlock( part, 'S', subby ) ) {
guint64 colorIndex = 0;
if ( popVal( colorIndex, part ) ) {
guint64 percent = 0;
if ( popVal( percent, part ) ) {
guint64 grayLevel = 0;
if ( !popVal( grayLevel, part ) ) {
grayLevel = 0;
}
(*it)->_linkTone( *(onceMore->_colors[colorIndex]), percent, grayLevel );
}
}
}
}
}
}
}
}
void ColorItem::_linkTint( ColorItem& other, int percent )
{
if ( !_linkSrc )
{
other._listeners.push_back(this);
_linkIsTone = false;
_linkPercent = percent;
if ( _linkPercent > 100 )
_linkPercent = 100;
if ( _linkPercent < 0 )
_linkPercent = 0;
_linkGray = 0;
_linkSrc = &other;
ColorItem::_colorDefChanged(&other);
}
}
void ColorItem::_linkTone( ColorItem& other, int percent, int grayLevel )
{
if ( !_linkSrc )
{
other._listeners.push_back(this);
_linkIsTone = true;
_linkPercent = percent;
if ( _linkPercent > 100 )
_linkPercent = 100;
if ( _linkPercent < 0 )
_linkPercent = 0;
_linkGray = grayLevel;
_linkSrc = &other;
ColorItem::_colorDefChanged(&other);
}
}
void _loadPaletteFile( gchar const *filename )
{
char block[1024];
FILE *f = Inkscape::IO::fopen_utf8name( filename, "r" );
if ( f ) {
char* result = fgets( block, sizeof(block), f );
if ( result ) {
if ( strncmp( "GIMP Palette", block, 12 ) == 0 ) {
bool inHeader = true;
bool hasErr = false;
JustForNow *onceMore = new JustForNow();
do {
result = fgets( block, sizeof(block), f );
block[sizeof(block) - 1] = 0;
if ( result ) {
if ( block[0] == '#' ) {
// ignore comment
} else {
char *ptr = block;
// very simple check for header versus entry
while ( *ptr == ' ' || *ptr == '\t' ) {
ptr++;
}
if ( (*ptr == 0) || (*ptr == '\r') || (*ptr == '\n') ) {
// blank line. skip it.
} else if ( '0' <= *ptr && *ptr <= '9' ) {
// should be an entry link
inHeader = false;
ptr = block;
Glib::ustring name("");
int r = 0;
int g = 0;
int b = 0;
skipWhitespace(ptr);
if ( *ptr ) {
hasErr = parseNum(ptr, r);
if ( !hasErr ) {
skipWhitespace(ptr);
hasErr = parseNum(ptr, g);
}
if ( !hasErr ) {
skipWhitespace(ptr);
hasErr = parseNum(ptr, b);
}
if ( !hasErr && *ptr ) {
char* n = trim(ptr);
if (n != NULL) {
name = n;
}
}
if ( !hasErr ) {
// Add the entry now
Glib::ustring nameStr(name);
ColorItem* item = new ColorItem( r, g, b, nameStr );
onceMore->_colors.push_back(item);
}
} else {
hasErr = true;
}
} else {
if ( !inHeader ) {
// Hmmm... probably bad. Not quite the format we want?
hasErr = true;
} else {
char* sep = strchr(result, ':');
if ( sep ) {
*sep = 0;
char* val = trim(sep + 1);
char* name = trim(result);
if ( *name ) {
if ( strcmp( "Name", name ) == 0 )
{
onceMore->_name = val;
}
else if ( strcmp( "Columns", name ) == 0 )
{
gchar* endPtr = 0;
guint64 numVal = g_ascii_strtoull( val, &endPtr, 10 );
if ( (numVal == G_MAXUINT64) && (ERANGE == errno) ) {
// overflow
} else if ( (numVal == 0) && (endPtr == val) ) {
// failed conversion
} else {
onceMore->_prefWidth = numVal;
}
}
} else {
// error
hasErr = true;
}
} else {
// error
hasErr = true;
}
}
}
}
}
} while ( result && !hasErr );
if ( !hasErr ) {
possible.push_back(onceMore);
#if ENABLE_MAGIC_COLORS
ColorItem::_wireMagicColors( onceMore );
#endif // ENABLE_MAGIC_COLORS
} else {
delete onceMore;
}
}
}
fclose(f);
}
}
static void loadEmUp()
{
static bool beenHere = false;
if ( !beenHere ) {
beenHere = true;
std::list<gchar *> sources;
sources.push_back( profile_path("palettes") );
sources.push_back( g_strdup(INKSCAPE_PALETTESDIR) );
sources.push_back( g_strdup(CREATE_PALETTESDIR) );
// Use this loop to iterate through a list of possible document locations.
while (!sources.empty()) {
gchar *dirname = sources.front();
if ( Inkscape::IO::file_test( dirname, G_FILE_TEST_EXISTS )
&& Inkscape::IO::file_test( dirname, G_FILE_TEST_IS_DIR )) {
GError *err = 0;
GDir *directory = g_dir_open(dirname, 0, &err);
if (!directory) {
gchar *safeDir = Inkscape::IO::sanitizeString(dirname);
g_warning(_("Palettes directory (%s) is unavailable."), safeDir);
g_free(safeDir);
} else {
gchar *filename = 0;
while ((filename = (gchar *)g_dir_read_name(directory)) != NULL) {
gchar* lower = g_ascii_strdown( filename, -1 );
// if ( g_str_has_suffix(lower, ".gpl") ) {
gchar* full = g_build_filename(dirname, filename, NULL);
if ( !Inkscape::IO::file_test( full, G_FILE_TEST_IS_DIR ) ) {
_loadPaletteFile(full);
}
g_free(full);
// }
g_free(lower);
}
g_dir_close(directory);
}
}
// toss the dirname
g_free(dirname);
sources.pop_front();
}
}
}
SwatchesPanel& SwatchesPanel::getInstance()
{
return *new SwatchesPanel();
}
/**
* Constructor
*/
SwatchesPanel::SwatchesPanel(gchar const* prefsPath) :
Inkscape::UI::Widget::Panel("", prefsPath, SP_VERB_DIALOG_SWATCHES, "", true),
_holder(0),
_clear(0),
_remove(0),
_currentIndex(0),
_currentDesktop(0),
_currentDocument(0),
_ptr(0)
{
Gtk::RadioMenuItem* hotItem = 0;
_holder = new PreviewHolder();
_clear = new ColorItem( ege::PaintDef::CLEAR );
_clear->ptr = this;
_remove = new ColorItem( ege::PaintDef::NONE );
_remove->ptr = this;
#if USE_DOCUMENT_PALETTE
{
JustForNow *docPalette = new JustForNow();
docPalette->_name = "Auto";
possible.push_back(docPalette);
_ptr = docPalette;
}
#endif // USE_DOCUMENT_PALETTE
loadEmUp();
if ( !possible.empty() ) {
JustForNow* first = 0;
int index = 0;
Glib::ustring targetName;
if ( !_prefs_path.empty() ) {
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
targetName = prefs->getString(_prefs_path + "/palette");
if (!targetName.empty()) {
for ( std::vector<JustForNow*>::iterator iter = possible.begin(); iter != possible.end(); ++iter ) {
if ( (*iter)->_name == targetName ) {
first = *iter;
break;
}
index++;
}
}
}
if ( !first ) {
first = possible.front();
_currentIndex = 0;
} else {
_currentIndex = index;
}
_rebuild();
Gtk::RadioMenuItem::Group groupOne;
int i = 0;
for ( std::vector<JustForNow*>::iterator it = possible.begin(); it != possible.end(); it++ ) {
JustForNow* curr = *it;
Gtk::RadioMenuItem* single = manage(new Gtk::RadioMenuItem(groupOne, curr->_name));
if ( curr == first ) {
hotItem = single;
}
_regItem( single, 3, i );
i++;
}
}
_getContents()->pack_start(*_holder, Gtk::PACK_EXPAND_WIDGET);
_setTargetFillable(_holder);
show_all_children();
restorePanelPrefs();
if ( hotItem ) {
hotItem->set_active();
}
}
SwatchesPanel::~SwatchesPanel()
{
_documentConnection.disconnect();
_resourceConnection.disconnect();
_selChanged.disconnect();
_setModified.disconnect();
_subselChanged.disconnect();
if ( _clear ) {
delete _clear;
}
if ( _remove ) {
delete _remove;
}
if ( _holder ) {
delete _holder;
}
}
void SwatchesPanel::setOrientation( Gtk::AnchorType how )
{
// Must call the parent class or bad things might happen
Inkscape::UI::Widget::Panel::setOrientation( how );
if ( _holder )
{
_holder->setOrientation( Gtk::ANCHOR_SOUTH );
}
}
void SwatchesPanel::setDesktop( SPDesktop* desktop )
{
if ( desktop != _currentDesktop ) {
if ( _currentDesktop ) {
_documentConnection.disconnect();
_selChanged.disconnect();
_setModified.disconnect();
_subselChanged.disconnect();
}
_currentDesktop = desktop;
if ( desktop ) {
_currentDesktop->selection->connectChanged(
sigc::hide(sigc::mem_fun(*this, &SwatchesPanel::_updateFromSelection)));
_currentDesktop->selection->connectModified(
sigc::hide(sigc::hide(sigc::mem_fun(*this, &SwatchesPanel::_updateFromSelection))));
_currentDesktop->connectToolSubselectionChanged(
sigc::hide(sigc::mem_fun(*this, &SwatchesPanel::_updateFromSelection)));
sigc::bound_mem_functor1<void, Inkscape::UI::Dialogs::SwatchesPanel, SPDocument*> first = sigc::mem_fun(*this, &SwatchesPanel::_setDocument);
sigc::slot<void, SPDocument*> base2 = first;
sigc::slot<void,SPDesktop*, SPDocument*> slot2 = sigc::hide<0>( base2 );
_documentConnection = desktop->connectDocumentReplaced( slot2 );
_setDocument( desktop->doc() );
} else {
_setDocument(0);
}
}
}
void SwatchesPanel::_setDocument( SPDocument *document )
{
if ( document != _currentDocument ) {
if ( _currentDocument ) {
_resourceConnection.disconnect();
}
_currentDocument = document;
if ( _currentDocument ) {
_resourceConnection = sp_document_resources_changed_connect(document,
"gradient",
sigc::mem_fun(*this, &SwatchesPanel::handleGradientsChange));
}
handleGradientsChange();
}
}
void SwatchesPanel::handleGradientsChange()
{
std::vector<SPGradient*> newList;
const GSList *gradients = sp_document_get_resource_list(_currentDocument, "gradient");
for (const GSList *item = gradients; item; item = item->next) {
SPGradient* grad = SP_GRADIENT(item->data);
if ( grad->has_stops ) {
newList.push_back(SP_GRADIENT(item->data));
}
}
#if USE_DOCUMENT_PALETTE
if ( _ptr ) {
JustForNow *docPalette = reinterpret_cast<JustForNow *>(_ptr);
// TODO delete pointed to objects
docPalette->_colors.clear();
if ( !newList.empty() ) {
for ( std::vector<SPGradient*>::iterator it = newList.begin(); it != newList.end(); ++it )
{
SPGradient* grad = *it;
if ( grad->repr->attribute("osb:paint") ) {
sp_gradient_ensure_vector( grad );
SPGradientStop first = grad->vector.stops[0];
SPColor color = first.color;
guint32 together = color.toRGBA32(first.opacity);
// At the moment we can't trust the count of 1 vs 2 stops.
SPGradientStop second = (*it)->vector.stops[1];
SPColor color2 = second.color;
guint32 together2 = color2.toRGBA32(second.opacity);
if ( (grad->vector.stops.size() <= 2) && (together == together2) ) {
// Treat as solid-color
Glib::ustring name( grad->getId() );
unsigned int r = SP_RGBA32_R_U(together);
unsigned int g = SP_RGBA32_G_U(together);
unsigned int b = SP_RGBA32_B_U(together);
ColorItem* item = new ColorItem( r, g, b, name );
item->ptr = this;
docPalette->_colors.push_back(item);
gradMap[item] = grad;
} else {
// Treat as gradient
Glib::ustring name( grad->getId() );
unsigned int r = SP_RGBA32_R_U(together);
unsigned int g = SP_RGBA32_G_U(together);
unsigned int b = SP_RGBA32_B_U(together);
ColorItem* item = new ColorItem( r, g, b, name );
item->ptr = this;
docPalette->_colors.push_back(item);
gint width = 128;
gint height = VBLOCK;
guchar* px = g_new( guchar, 3 * height * width );
nr_render_checkerboard_rgb( px, width, VBLOCK, 3 * width, 0, 0 );
sp_gradient_render_vector_block_rgb( grad,
px, width, height, 3 * width,
0, width, TRUE );
previewMap[item] = px;
gradMap[item] = grad;
}
}
}
}
JustForNow* curr = possible[_currentIndex];
if (curr == docPalette) {
_rebuild();
}
}
#endif // USE_DOCUMENT_PALETTE
}
void SwatchesPanel::_updateFromSelection()
{
#if USE_DOCUMENT_PALETTE
if ( _ptr ) {
JustForNow *docPalette = reinterpret_cast<JustForNow *>(_ptr);
Glib::ustring fillId;
Glib::ustring strokeId;
SPStyle *tmpStyle = sp_style_new( sp_desktop_document(_currentDesktop) );
int result = sp_desktop_query_style( _currentDesktop, tmpStyle, QUERY_STYLE_PROPERTY_FILL );
switch (result) {
case QUERY_STYLE_SINGLE:
case QUERY_STYLE_MULTIPLE_AVERAGED:
case QUERY_STYLE_MULTIPLE_SAME:
{
if (tmpStyle->fill.set && tmpStyle->fill.isPaintserver()) {
SPPaintServer* server = tmpStyle->getFillPaintServer();
if ( SP_IS_GRADIENT(server) ) {
SPGradient* target = 0;
SPGradient* grad = SP_GRADIENT(server);
if (grad->repr->attribute("osb:paint")) {
target = grad;
} else if ( grad->ref ) {
SPGradient *tmp = grad->ref->getObject();
if ( tmp && tmp->repr->attribute("osb:paint") ) {
target = tmp;
}
}
if ( target ) {
gchar const* id = target->repr->attribute("id");
if ( id ) {
fillId = id;
}
}
}
}
break;
}
}
result = sp_desktop_query_style( _currentDesktop, tmpStyle, QUERY_STYLE_PROPERTY_STROKE );
switch (result) {
case QUERY_STYLE_SINGLE:
case QUERY_STYLE_MULTIPLE_AVERAGED:
case QUERY_STYLE_MULTIPLE_SAME:
{
if (tmpStyle->stroke.set && tmpStyle->stroke.isPaintserver()) {
SPPaintServer* server = tmpStyle->getStrokePaintServer();
if ( SP_IS_GRADIENT(server) ) {
SPGradient* target = 0;
SPGradient* grad = SP_GRADIENT(server);
if (grad->repr->attribute("osb:paint")) {
target = grad;
} else if ( grad->ref ) {
SPGradient *tmp = grad->ref->getObject();
if ( tmp && tmp->repr->attribute("osb:paint") ) {
target = tmp;
}
}
if ( target ) {
gchar const* id = target->repr->attribute("id");
if ( id ) {
strokeId = id;
}
}
}
}
break;
}
}
sp_style_unref(tmpStyle);
for ( std::vector<ColorItem*>::iterator it = docPalette->_colors.begin(); it != docPalette->_colors.end(); ++it ) {
ColorItem* item = *it;
bool isFill = (fillId == item->def.descr);
bool isStroke = (strokeId == item->def.descr);
item->setState( isFill, isStroke );
}
}
#endif // USE_DOCUMENT_PALETTE
}
void SwatchesPanel::_handleAction( int setId, int itemId )
{
switch( setId ) {
case 3:
{
if ( itemId >= 0 && itemId < static_cast<int>(possible.size()) ) {
_currentIndex = itemId;
if ( !_prefs_path.empty() ) {
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
prefs->setString(_prefs_path + "/palette", possible[_currentIndex]->_name);
}
_rebuild();
}
}
break;
}
}
void SwatchesPanel::_rebuild()
{
JustForNow* curr = possible[_currentIndex];
_holder->clear();
if ( curr->_prefWidth > 0 ) {
_holder->setColumnPref( curr->_prefWidth );
}
_holder->freezeUpdates();
// TODO restore once 'clear' works _holder->addPreview(_clear);
_holder->addPreview(_remove);
for ( std::vector<ColorItem*>::iterator it = curr->_colors.begin(); it != curr->_colors.end(); it++ ) {
_holder->addPreview(*it);
}
_holder->thawUpdates();
}
} //namespace Dialogs
} //namespace UI
} //namespace Inkscape
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :