swatches.cpp revision 5ffcfbb456bc07b64f881c0104e29ff690db7a86
/**
* @file
* Color swatches dialog.
*/
/* Authors:
* Jon A. Cruz
* John Bintz
* Abhishek Sharma
*
* 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 <algorithm>
#include <set>
#include "swatches.h"
#include <gtkmm/radiomenuitem.h>
#include <glibmm/i18n.h>
#include <glibmm/main.h>
#include <gdkmm/pixbuf.h>
#include "color-item.h"
#include "desktop.h"
#include "desktop-handles.h"
#include "desktop-style.h"
#include "document.h"
#include "document-private.h"
#include "document-undo.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 "sp-gradient-fns.h"
#include "sp-gradient.h"
#include "sp-gradient-vector.h"
#include "style.h"
#include "ui/previewholder.h"
#include "widgets/desktop-widget.h"
#include "widgets/gradient-vector.h"
#include "widgets/eek-preview.h"
#include "display/cairo-utils.h"
#include "sp-gradient-reference.h"
#include "dialog-manager.h"
#include "selection.h"
#include "verbs.h"
namespace Inkscape {
namespace UI {
namespace Dialogs {
#define VBLOCK 16
#define PREVIEW_PIXBUF_WIDTH 128
void _loadPaletteFile( gchar const *filename, gboolean user=FALSE );
std::list<SwatchPage*> userSwatchPages;
std::list<SwatchPage*> systemSwatchPages;
static std::map<SPDocument*, SwatchPage*> docPalettes;
static std::vector<DocTrack*> docTrackings;
static std::map<SwatchesPanel*, SPDocument*> docPerPanel;
class SwatchesPanelHook : public SwatchesPanel
{
public:
static void convertGradient( GtkMenuItem *menuitem, gpointer userData );
static void deleteGradient( GtkMenuItem *menuitem, gpointer userData );
};
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 GtkWidget* popupMenu = 0;
static GtkWidget *popupSubHolder = 0;
static GtkWidget *popupSub = 0;
static std::vector<Glib::ustring> popupItems;
static std::vector<GtkWidget*> popupExtras;
static ColorItem* bounceTarget = 0;
static SwatchesPanel* bouncePanel = 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 );
}
}
static void editGradientImpl( SPDesktop* desktop, SPGradient* gr )
{
if ( gr ) {
bool shown = false;
if ( desktop && desktop->doc() ) {
Inkscape::Selection *selection = sp_desktop_selection( desktop );
GSList const *items = selection->itemList();
if (items) {
SPStyle *query = sp_style_new( desktop->doc() );
int result = objects_query_fillstroke(const_cast<GSList *>(items), query, true);
if ( (result == QUERY_STYLE_MULTIPLE_SAME) || (result == QUERY_STYLE_SINGLE) ) {
// could be pertinent
if (query->fill.isPaintserver()) {
SPPaintServer* server = query->getFillPaintServer();
if ( SP_IS_GRADIENT(server) ) {
SPGradient* grad = SP_GRADIENT(server);
if ( grad->isSwatch() && grad->getId() == gr->getId()) {
desktop->_dlg_mgr->showDialog("FillAndStroke");
shown = true;
}
}
}
}
sp_style_unref(query);
}
}
if (!shown) {
GtkWidget *dialog = sp_gradient_vector_editor_new( gr );
gtk_widget_show( dialog );
}
}
}
static void editGradient( GtkMenuItem */*menuitem*/, gpointer /*user_data*/ )
{
if ( bounceTarget ) {
SwatchesPanel* swp = bouncePanel;
SPDesktop* desktop = swp ? swp->getDesktop() : 0;
SPDocument *doc = desktop ? desktop->doc() : 0;
if (doc) {
std::string targetName(bounceTarget->def.descr);
const GSList *gradients = doc->getResourceList("gradient");
for (const GSList *item = gradients; item; item = item->next) {
SPGradient* grad = SP_GRADIENT(item->data);
if ( targetName == grad->getId() ) {
editGradientImpl( desktop, grad );
break;
}
}
}
}
}
void SwatchesPanelHook::convertGradient( GtkMenuItem * /*menuitem*/, gpointer userData )
{
if ( bounceTarget ) {
SwatchesPanel* swp = bouncePanel;
SPDesktop* desktop = swp ? swp->getDesktop() : 0;
SPDocument *doc = desktop ? desktop->doc() : 0;
gint index = GPOINTER_TO_INT(userData);
if ( doc && (index >= 0) && (static_cast<guint>(index) < popupItems.size()) ) {
Glib::ustring targetName = popupItems[index];
const GSList *gradients = doc->getResourceList("gradient");
for (const GSList *item = gradients; item; item = item->next) {
SPGradient* grad = SP_GRADIENT(item->data);
if ( targetName == grad->getId() ) {
grad->setSwatch();
DocumentUndo::done(doc, SP_VERB_CONTEXT_GRADIENT,
_("Add gradient stop"));
break;
}
}
}
}
}
void SwatchesPanelHook::deleteGradient( GtkMenuItem */*menuitem*/, gpointer /*userData*/ )
{
if ( bounceTarget ) {
SwatchesPanel* swp = bouncePanel;
SPDesktop* desktop = swp ? swp->getDesktop() : 0;
SPDocument *doc = desktop ? desktop->doc() : 0;
if (doc) {
std::string targetName(bounceTarget->def.descr);
const GSList *gradients = doc->getResourceList("gradient");
for (const GSList *item = gradients; item; item = item->next) {
SPGradient* grad = SP_GRADIENT(item->data);
if ( targetName == grad->getId() ) {
grad->setSwatch(false);
DocumentUndo::done(doc, SP_VERB_CONTEXT_GRADIENT,
_("Delete"));
break;
}
}
}
}
}
static SwatchesPanel* findContainingPanel( GtkWidget *widget )
{
SwatchesPanel *swp = 0;
std::map<GtkWidget*, SwatchesPanel*> rawObjects;
for (std::map<SwatchesPanel*, SPDocument*>::iterator it = docPerPanel.begin(); it != docPerPanel.end(); ++it) {
rawObjects[GTK_WIDGET(it->first->gobj())] = it->first;
}
for (GtkWidget* curr = widget; curr && !swp; curr = gtk_widget_get_parent(curr)) {
if (rawObjects.find(curr) != rawObjects.end()) {
swp = rawObjects[curr];
}
}
return swp;
}
static void removeit( GtkWidget *widget, gpointer data )
{
gtk_container_remove( GTK_CONTAINER(data), widget );
}
/* extern'ed from colot-item.cpp */
gboolean colorItemHandleButtonPress( GtkWidget* widget, GdkEventButton* event, gpointer user_data );
gboolean colorItemHandleButtonPress( GtkWidget* widget, GdkEventButton* event, gpointer user_data )
{
gboolean handled = FALSE;
if ( (event->button == 3) && (event->type == GDK_BUTTON_PRESS) ) {
SwatchesPanel* swp = findContainingPanel( widget );
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);
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(_("Delete"));
g_signal_connect( G_OBJECT(child),
"activate",
G_CALLBACK(SwatchesPanelHook::deleteGradient),
user_data );
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 );
{
popupSubHolder = child;
popupSub = gtk_menu_new();
gtk_menu_item_set_submenu( GTK_MENU_ITEM(child), popupSub );
}
gtk_widget_show_all(popupMenu);
}
ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
if ( item ) {
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;
bouncePanel = swp;
popupItems.clear();
if ( popupMenu ) {
gtk_container_foreach(GTK_CONTAINER(popupSub), removeit, popupSub);
bool processed = false;
GtkWidget *wdgt = gtk_widget_get_ancestor(widget, SP_TYPE_DESKTOP_WIDGET);
if ( wdgt ) {
SPDesktopWidget *dtw = SP_DESKTOP_WIDGET(wdgt);
if ( dtw && dtw->desktop ) {
// Pick up all gradients with vectors
const GSList *gradients = (dtw->desktop->doc())->getResourceList("gradient");
gint index = 0;
for (const GSList *curr = gradients; curr; curr = curr->next) {
SPGradient* grad = SP_GRADIENT(curr->data);
if ( grad->hasStops() && !grad->isSwatch() ) {
//gl = g_slist_prepend(gl, curr->data);
processed = true;
GtkWidget *child = gtk_menu_item_new_with_label(grad->getId());
gtk_menu_shell_append(GTK_MENU_SHELL(popupSub), child);
popupItems.push_back(grad->getId());
g_signal_connect( G_OBJECT(child),
"activate",
G_CALLBACK(SwatchesPanelHook::convertGradient),
GINT_TO_POINTER(index) );
index++;
}
}
gtk_widget_show_all(popupSub);
}
}
gtk_widget_set_sensitive( popupSubHolder, processed );
gtk_menu_popup(GTK_MENU(popupMenu), NULL, NULL, NULL, NULL, event->button, event->time);
handled = TRUE;
}
}
}
return handled;
}
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;
}
static void skipWhitespace( char*& str ) {
while ( *str == ' ' || *str == '\t' ) {
str++;
}
}
static 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;
}
void _loadPaletteFile( gchar const *filename, gboolean user/*=FALSE*/ )
{
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;
SwatchPage *onceMore = new SwatchPage();
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("");
skipWhitespace(ptr);
if ( *ptr ) {
int r = 0;
int g = 0;
int b = 0;
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 = g_dpgettext2(NULL, "Palette", 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 ) {
if (user)
userSwatchPages.push_back(onceMore);
else
systemSwatchPages.push_back(onceMore);
#if ENABLE_MAGIC_COLORS
ColorItem::_wireMagicColors( onceMore );
#endif // ENABLE_MAGIC_COLORS
} else {
delete onceMore;
}
}
}
fclose(f);
}
}
static bool
compare_swatch_names(SwatchPage const *a, SwatchPage const *b) {
return g_utf8_collate(a->_name.c_str(), b->_name.c_str()) < 0;
}
static void loadEmUp()
{
static bool beenHere = false;
gboolean userPalete = true;
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") ) {
if ( !g_str_has_suffix(lower, "~") ) {
gchar* full = g_build_filename(dirname, filename, NULL);
if ( !Inkscape::IO::file_test( full, G_FILE_TEST_IS_DIR ) ) {
_loadPaletteFile(full, userPalete);
}
g_free(full);
}
// }
g_free(lower);
}
g_dir_close(directory);
}
}
// toss the dirname
g_free(dirname);
sources.pop_front();
userPalete = false;
}
}
// Sort the list of swatches by name, grouped by user/system
userSwatchPages.sort(compare_swatch_names);
systemSwatchPages.sort(compare_swatch_names);
}
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)
{
Gtk::RadioMenuItem* hotItem = 0;
_holder = new PreviewHolder();
_clear = new ColorItem( ege::PaintDef::CLEAR );
_remove = new ColorItem( ege::PaintDef::NONE );
if (docPalettes.empty()) {
SwatchPage *docPalette = new SwatchPage();
docPalette->_name = "Auto";
docPalettes[0] = docPalette;
}
loadEmUp();
if ( !systemSwatchPages.empty() ) {
SwatchPage* 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()) {
if (targetName == "Auto") {
first = docPalettes[0];
} else {
//index++;
std::vector<SwatchPage*> pages = _getSwatchSets();
for ( std::vector<SwatchPage*>::iterator iter = pages.begin(); iter != pages.end(); ++iter ) {
if ( (*iter)->_name == targetName ) {
first = *iter;
break;
}
index++;
}
}
}
}
if ( !first ) {
first = docPalettes[0];
_currentIndex = 0;
} else {
_currentIndex = index;
}
_rebuild();
Gtk::RadioMenuItem::Group groupOne;
int i = 0;
std::vector<SwatchPage*> swatchSets = _getSwatchSets();
for ( std::vector<SwatchPage*>::iterator it = swatchSets.begin(); it != swatchSets.end(); ++it) {
SwatchPage* curr = *it;
Gtk::RadioMenuItem* single = manage(new Gtk::RadioMenuItem(groupOne, curr->_name));
if ( curr == first ) {
hotItem = single;
}
_regItem( single, 3, i );
i++;
}
}
if (Glib::ustring(prefsPath) == "/dialogs/swatches") {
Gtk::Requisition sreq;
#if WITH_GTKMM_3_0
Gtk::Requisition sreq_natural;
get_preferred_size(sreq_natural, sreq);
#else
sreq = size_request();
#endif
int minHeight = 60;
if (sreq.height < minHeight) {
set_size_request(70, minHeight);
}
}
_getContents()->pack_start(*_holder, Gtk::PACK_EXPAND_WIDGET);
_setTargetFillable(_holder);
show_all_children();
restorePanelPrefs();
if ( hotItem ) {
hotItem->set_active();
}
}
SwatchesPanel::~SwatchesPanel()
{
_trackDocument( this, 0 );
_documentConnection.disconnect();
_selChanged.disconnect();
if ( _clear ) {
delete _clear;
}
if ( _remove ) {
delete _remove;
}
if ( _holder ) {
delete _holder;
}
}
void SwatchesPanel::setOrientation(SPAnchorType how)
{
// Must call the parent class or bad things might happen
Inkscape::UI::Widget::Panel::setOrientation( how );
if ( _holder )
{
_holder->setOrientation(SP_ANCHOR_SOUTH);
}
}
void SwatchesPanel::setDesktop( SPDesktop* desktop )
{
if ( desktop != _currentDesktop ) {
if ( _currentDesktop ) {
_documentConnection.disconnect();
_selChanged.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);
}
}
}
class DocTrack
{
public:
DocTrack(SPDocument *doc, sigc::connection &gradientRsrcChanged, sigc::connection &defsChanged, sigc::connection &defsModified) :
doc(doc),
updatePending(false),
lastGradientUpdate(0.0),
gradientRsrcChanged(gradientRsrcChanged),
defsChanged(defsChanged),
defsModified(defsModified)
{
if ( !timer ) {
timer = new Glib::Timer();
refreshTimer = Glib::signal_timeout().connect( sigc::ptr_fun(handleTimerCB), 33 );
}
timerRefCount++;
}
~DocTrack()
{
timerRefCount--;
if ( timerRefCount <= 0 ) {
refreshTimer.disconnect();
timerRefCount = 0;
if ( timer ) {
timer->stop();
delete timer;
timer = 0;
}
}
if (doc) {
gradientRsrcChanged.disconnect();
defsChanged.disconnect();
defsModified.disconnect();
}
}
static bool handleTimerCB();
/**
* Checks if update should be queued or executed immediately.
*
* @return true if the update was queued and should not be immediately executed.
*/
static bool queueUpdateIfNeeded(SPDocument *doc);
static Glib::Timer *timer;
static int timerRefCount;
static sigc::connection refreshTimer;
SPDocument *doc;
bool updatePending;
double lastGradientUpdate;
sigc::connection gradientRsrcChanged;
sigc::connection defsChanged;
sigc::connection defsModified;
private:
DocTrack(DocTrack const &); // no copy
DocTrack &operator=(DocTrack const &); // no assign
};
Glib::Timer *DocTrack::timer = 0;
int DocTrack::timerRefCount = 0;
sigc::connection DocTrack::refreshTimer;
static const double DOC_UPDATE_THREASHOLD = 0.090;
bool DocTrack::handleTimerCB()
{
double now = timer->elapsed();
std::vector<DocTrack *> needCallback;
for (std::vector<DocTrack *>::iterator it = docTrackings.begin(); it != docTrackings.end(); ++it) {
DocTrack *track = *it;
if ( track->updatePending && ( (now - track->lastGradientUpdate) >= DOC_UPDATE_THREASHOLD) ) {
needCallback.push_back(track);
}
}
for (std::vector<DocTrack *>::iterator it = needCallback.begin(); it != needCallback.end(); ++it) {
DocTrack *track = *it;
if ( std::find(docTrackings.begin(), docTrackings.end(), track) != docTrackings.end() ) { // Just in case one gets deleted while we are looping
// Note: calling handleDefsModified will call queueUpdateIfNeeded and thus update the time and flag.
SwatchesPanel::handleDefsModified(track->doc);
}
}
return true;
}
bool DocTrack::queueUpdateIfNeeded( SPDocument *doc )
{
bool deferProcessing = false;
for (std::vector<DocTrack*>::iterator it = docTrackings.begin(); it != docTrackings.end(); ++it) {
DocTrack *track = *it;
if ( track->doc == doc ) {
double now = timer->elapsed();
double elapsed = now - track->lastGradientUpdate;
if ( elapsed < DOC_UPDATE_THREASHOLD ) {
deferProcessing = true;
track->updatePending = true;
} else {
track->lastGradientUpdate = now;
track->updatePending = false;
}
break;
}
}
return deferProcessing;
}
void SwatchesPanel::_trackDocument( SwatchesPanel *panel, SPDocument *document )
{
SPDocument *oldDoc = 0;
if (docPerPanel.find(panel) != docPerPanel.end()) {
oldDoc = docPerPanel[panel];
if (!oldDoc) {
docPerPanel.erase(panel); // Should not be needed, but clean up just in case.
}
}
if (oldDoc != document) {
if (oldDoc) {
docPerPanel[panel] = 0;
bool found = false;
for (std::map<SwatchesPanel*, SPDocument*>::iterator it = docPerPanel.begin(); (it != docPerPanel.end()) && !found; ++it) {
found = (it->second == document);
}
if (!found) {
for (std::vector<DocTrack*>::iterator it = docTrackings.begin(); it != docTrackings.end(); ++it){
if ((*it)->doc == oldDoc) {
delete *it;
docTrackings.erase(it);
break;
}
}
}
}
if (document) {
bool found = false;
for (std::map<SwatchesPanel*, SPDocument*>::iterator it = docPerPanel.begin(); (it != docPerPanel.end()) && !found; ++it) {
found = (it->second == document);
}
docPerPanel[panel] = document;
if (!found) {
sigc::connection conn1 = document->connectResourcesChanged( "gradient", sigc::bind(sigc::ptr_fun(&SwatchesPanel::handleGradientsChange), document) );
sigc::connection conn2 = document->getDefs()->connectRelease( sigc::hide(sigc::bind(sigc::ptr_fun(&SwatchesPanel::handleDefsModified), document)) );
sigc::connection conn3 = document->getDefs()->connectModified( sigc::hide(sigc::hide(sigc::bind(sigc::ptr_fun(&SwatchesPanel::handleDefsModified), document))) );
DocTrack *dt = new DocTrack(document, conn1, conn2, conn3);
docTrackings.push_back(dt);
if (docPalettes.find(document) == docPalettes.end()) {
SwatchPage *docPalette = new SwatchPage();
docPalette->_name = "Auto";
docPalettes[document] = docPalette;
}
}
}
}
std::set<SPDocument*> docs;
for (std::map<SwatchesPanel*, SPDocument*>::iterator it = docPerPanel.begin(); it != docPerPanel.end(); ++it) {
docs.insert(it->second);
}
}
void SwatchesPanel::_setDocument( SPDocument *document )
{
if ( document != _currentDocument ) {
_trackDocument(this, document);
_currentDocument = document;
handleGradientsChange( document );
}
}
static void recalcSwatchContents(SPDocument* doc,
boost::ptr_vector<ColorItem> &tmpColors,
std::map<ColorItem*, cairo_pattern_t*> &previewMappings,
std::map<ColorItem*, SPGradient*> &gradMappings)
{
std::vector<SPGradient*> newList;
const GSList *gradients = doc->getResourceList("gradient");
for (const GSList *item = gradients; item; item = item->next) {
SPGradient* grad = SP_GRADIENT(item->data);
if ( grad->isSwatch() ) {
newList.push_back(SP_GRADIENT(item->data));
}
}
if ( !newList.empty() ) {
std::reverse(newList.begin(), newList.end());
for ( std::vector<SPGradient*>::iterator it = newList.begin(); it != newList.end(); ++it )
{
SPGradient* grad = *it;
cairo_surface_t *preview = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
PREVIEW_PIXBUF_WIDTH, VBLOCK);
cairo_t *ct = cairo_create(preview);
Glib::ustring name( grad->getId() );
ColorItem* item = new ColorItem( 0, 0, 0, name );
cairo_pattern_t *check = ink_cairo_pattern_create_checkerboard();
cairo_pattern_t *gradient = sp_gradient_create_preview_pattern(grad, PREVIEW_PIXBUF_WIDTH);
cairo_set_source(ct, check);
cairo_paint(ct);
cairo_set_source(ct, gradient);
cairo_paint(ct);
cairo_destroy(ct);
cairo_pattern_destroy(gradient);
cairo_pattern_destroy(check);
cairo_pattern_t *prevpat = cairo_pattern_create_for_surface(preview);
cairo_surface_destroy(preview);
previewMappings[item] = prevpat;
tmpColors.push_back(item);
gradMappings[item] = grad;
}
}
}
void SwatchesPanel::handleGradientsChange(SPDocument *document)
{
SwatchPage *docPalette = (docPalettes.find(document) != docPalettes.end()) ? docPalettes[document] : 0;
if (docPalette) {
boost::ptr_vector<ColorItem> tmpColors;
std::map<ColorItem*, cairo_pattern_t*> tmpPrevs;
std::map<ColorItem*, SPGradient*> tmpGrads;
recalcSwatchContents(document, tmpColors, tmpPrevs, tmpGrads);
for (std::map<ColorItem*, cairo_pattern_t*>::iterator it = tmpPrevs.begin(); it != tmpPrevs.end(); ++it) {
it->first->setPattern(it->second);
cairo_pattern_destroy(it->second);
}
for (std::map<ColorItem*, SPGradient*>::iterator it = tmpGrads.begin(); it != tmpGrads.end(); ++it) {
it->first->setGradient(it->second);
}
docPalette->_colors.swap(tmpColors);
// Figure out which SwatchesPanel instances are affected and update them.
for (std::map<SwatchesPanel*, SPDocument*>::iterator it = docPerPanel.begin(); it != docPerPanel.end(); ++it) {
if (it->second == document) {
SwatchesPanel* swp = it->first;
std::vector<SwatchPage*> pages = swp->_getSwatchSets();
SwatchPage* curr = pages[swp->_currentIndex];
if (curr == docPalette) {
swp->_rebuild();
}
}
}
}
}
void SwatchesPanel::handleDefsModified(SPDocument *document)
{
SwatchPage *docPalette = (docPalettes.find(document) != docPalettes.end()) ? docPalettes[document] : 0;
if (docPalette && !DocTrack::queueUpdateIfNeeded(document) ) {
boost::ptr_vector<ColorItem> tmpColors;
std::map<ColorItem*, cairo_pattern_t*> tmpPrevs;
std::map<ColorItem*, SPGradient*> tmpGrads;
recalcSwatchContents(document, tmpColors, tmpPrevs, tmpGrads);
if ( tmpColors.size() != docPalette->_colors.size() ) {
handleGradientsChange(document);
} else {
int cap = std::min(docPalette->_colors.size(), tmpColors.size());
for (int i = 0; i < cap; i++) {
ColorItem *newColor = &tmpColors[i];
ColorItem *oldColor = &docPalette->_colors[i];
if ( (newColor->def.getType() != oldColor->def.getType()) ||
(newColor->def.getR() != oldColor->def.getR()) ||
(newColor->def.getG() != oldColor->def.getG()) ||
(newColor->def.getB() != oldColor->def.getB()) ) {
oldColor->def.setRGB(newColor->def.getR(), newColor->def.getG(), newColor->def.getB());
}
if (tmpGrads.find(newColor) != tmpGrads.end()) {
oldColor->setGradient(tmpGrads[newColor]);
}
if ( tmpPrevs.find(newColor) != tmpPrevs.end() ) {
oldColor->setPattern(tmpPrevs[newColor]);
}
}
}
for (std::map<ColorItem*, cairo_pattern_t*>::iterator it = tmpPrevs.begin(); it != tmpPrevs.end(); ++it) {
cairo_pattern_destroy(it->second);
}
}
}
std::vector<SwatchPage*> SwatchesPanel::_getSwatchSets() const
{
std::vector<SwatchPage*> tmp;
if (docPalettes.find(_currentDocument) != docPalettes.end()) {
tmp.push_back(docPalettes[_currentDocument]);
}
tmp.insert(tmp.end(), userSwatchPages.begin(), userSwatchPages.end());
tmp.insert(tmp.end(), systemSwatchPages.begin(), systemSwatchPages.end());
return tmp;
}
void SwatchesPanel::_updateFromSelection()
{
SwatchPage *docPalette = (docPalettes.find(_currentDocument) != docPalettes.end()) ? docPalettes[_currentDocument] : 0;
if ( docPalette ) {
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->isSwatch() ) {
target = grad;
} else if ( grad->ref ) {
SPGradient *tmp = grad->ref->getObject();
if ( tmp && tmp->isSwatch() ) {
target = tmp;
}
}
if ( target ) {
//XML Tree being used directly here while it shouldn't be
gchar const* id = target->getRepr()->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->isSwatch() ) {
target = grad;
} else if ( grad->ref ) {
SPGradient *tmp = grad->ref->getObject();
if ( tmp && tmp->isSwatch() ) {
target = tmp;
}
}
if ( target ) {
//XML Tree being used directly here while it shouldn't be
gchar const* id = target->getRepr()->attribute("id");
if ( id ) {
strokeId = id;
}
}
}
}
break;
}
}
sp_style_unref(tmpStyle);
for ( boost::ptr_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 );
}
}
}
void SwatchesPanel::_handleAction( int setId, int itemId )
{
switch( setId ) {
case 3:
{
std::vector<SwatchPage*> pages = _getSwatchSets();
if ( itemId >= 0 && itemId < static_cast<int>(pages.size()) ) {
_currentIndex = itemId;
if ( !_prefs_path.empty() ) {
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
prefs->setString(_prefs_path + "/palette", pages[_currentIndex]->_name);
}
_rebuild();
}
}
break;
}
}
void SwatchesPanel::_rebuild()
{
std::vector<SwatchPage*> pages = _getSwatchSets();
SwatchPage* curr = pages[_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 ( boost::ptr_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:fileencoding=utf-8:textwidth=99 :