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-rw-r--r--src/dialogs/swatches.cpp516
1 files changed, 516 insertions, 0 deletions
diff --git a/src/dialogs/swatches.cpp b/src/dialogs/swatches.cpp
new file mode 100644
index 000000000..739cda3b2
--- /dev/null
+++ b/src/dialogs/swatches.cpp
@@ -0,0 +1,516 @@
+/*
+ * A simple panel for color swatches
+ *
+ * Authors:
+ * Jon A. Cruz
+ *
+ * Copyright (C) 2005 Jon A. Cruz
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <gtk/gtkdialog.h> //for GTK_RESPONSE* types
+#include <gtk/gtkdnd.h>
+
+#include <glibmm/i18n.h>
+#include "inkscape.h"
+#include "document.h"
+#include "desktop-handles.h"
+#include "extension/db.h"
+#include "inkscape.h"
+#include "svg/svg.h"
+#include "desktop-style.h"
+#include "io/sys.h"
+#include "path-prefix.h"
+#include "swatches.h"
+
+#include "eek-preview.h"
+
+namespace Inkscape {
+namespace UI {
+namespace Dialogs {
+
+SwatchesPanel* SwatchesPanel::instance = 0;
+
+
+ColorItem::ColorItem( unsigned int r, unsigned int g, unsigned int b, Glib::ustring& name ) :
+ _r(r),
+ _g(g),
+ _b(b),
+ _name(name)
+{
+}
+
+ColorItem::~ColorItem()
+{
+}
+
+ColorItem::ColorItem(ColorItem const &other) :
+ Inkscape::UI::Previewable()
+{
+ if ( this != &other ) {
+ *this = other;
+ }
+}
+
+ColorItem &ColorItem::operator=(ColorItem const &other)
+{
+ if ( this != &other ) {
+ _r = other._r;
+ _g = other._g;
+ _b = other._b;
+ _name = other._name;
+ }
+ return *this;
+}
+
+typedef enum {
+ XCOLOR_DATA = 0,
+ TEXT_DATA
+} colorFlavorType;
+
+static const GtkTargetEntry color_entries[] = {
+ {"application/x-color", 0, XCOLOR_DATA},
+ {"text/plain", 0, TEXT_DATA},
+};
+
+static void dragGetColorData( GtkWidget *widget,
+ GdkDragContext *drag_context,
+ GtkSelectionData *data,
+ guint info,
+ guint time,
+ gpointer user_data)
+{
+ static GdkAtom typeXColor = gdk_atom_intern("application/x-color", FALSE);
+ static GdkAtom typeText = gdk_atom_intern("text/plain", FALSE);
+
+ ColorItem* item = reinterpret_cast<ColorItem*>(user_data);
+ if ( info == 1 ) {
+ gchar* tmp = g_strdup_printf("#%02x%02x%02x", item->_r, item->_g, item->_b);
+
+ gtk_selection_data_set( data,
+ typeText,
+ 8, // format
+ (guchar*)tmp,
+ strlen((const char*)tmp) + 1);
+ g_free(tmp);
+ tmp = 0;
+ } else {
+ guchar tmp[8];
+ tmp[0] = item->_r;
+ tmp[1] = item->_r;
+ tmp[2] = item->_g;
+ tmp[3] = item->_g;
+ tmp[4] = item->_b;
+ tmp[5] = item->_b;
+ tmp[6] = 0x0ff;
+ tmp[7] = 0x0ff;
+ gtk_selection_data_set( data,
+ typeXColor,
+ 8, // format
+ tmp,
+ (3+1) * 2);
+ }
+}
+
+//"drag-drop"
+gboolean dragDropColorData( GtkWidget *widget,
+ GdkDragContext *drag_context,
+ gint x,
+ gint y,
+ guint time,
+ gpointer user_data)
+{
+// TODO finish
+ return TRUE;
+}
+
+static void bouncy( GtkWidget* widget, gpointer callback_data ) {
+ ColorItem* item = reinterpret_cast<ColorItem*>(callback_data);
+ if ( item ) {
+ item->buttonClicked(false);
+ }
+}
+
+static void bouncy2( GtkWidget* widget, gint arg1, gpointer callback_data ) {
+ ColorItem* item = reinterpret_cast<ColorItem*>(callback_data);
+ if ( item ) {
+ item->buttonClicked(true);
+ }
+}
+
+Gtk::Widget* ColorItem::getPreview(PreviewStyle style, ViewType view, Gtk::BuiltinIconSize size)
+{
+ Gtk::Widget* widget = 0;
+ if ( style == PREVIEW_STYLE_BLURB ) {
+ Gtk::Label *lbl = new Gtk::Label(_name);
+ lbl->set_alignment(Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER);
+ widget = lbl;
+ } else {
+ Glib::ustring blank(" ");
+ if ( size == Gtk::ICON_SIZE_MENU ) {
+ blank = " ";
+ }
+
+ GtkWidget* eekWidget = eek_preview_new();
+ EekPreview * preview = EEK_PREVIEW(eekWidget);
+ Gtk::Widget* newBlot = Glib::wrap(eekWidget);
+
+ eek_preview_set_color( preview, (_r << 8)|_r, (_g << 8)|_g, (_b << 8)|_b);
+
+ eek_preview_set_details( preview, (::PreviewStyle)style, (::ViewType)view, (::GtkIconSize)size );
+
+ 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), _name);
+
+/*
+ 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(bouncy),
+ this);
+
+ g_signal_connect( G_OBJECT(newBlot->gobj()),
+ "alt-clicked",
+ G_CALLBACK(bouncy2),
+ this);
+
+ gtk_drag_source_set( GTK_WIDGET(newBlot->gobj()),
+ GDK_BUTTON1_MASK,
+ color_entries,
+ G_N_ELEMENTS(color_entries),
+ GdkDragAction(GDK_ACTION_MOVE | GDK_ACTION_COPY) );
+
+ g_signal_connect( G_OBJECT(newBlot->gobj()),
+ "drag-data-get",
+ G_CALLBACK(dragGetColorData),
+ this);
+
+ g_signal_connect( G_OBJECT(newBlot->gobj()),
+ "drag-drop",
+ G_CALLBACK(dragDropColorData),
+ this);
+
+ widget = newBlot;
+ }
+
+ return widget;
+}
+
+void ColorItem::buttonClicked(bool secondary)
+{
+ SPDesktop *desktop = SP_ACTIVE_DESKTOP;
+ if (desktop) {
+ char const * attrName = secondary ? "stroke" : "fill";
+ guint32 rgba = (_r << 24) | (_g << 16) | (_b << 8) | 0xff;
+ gchar c[64];
+ sp_svg_write_color(c, 64, rgba);
+
+ SPCSSAttr *css = sp_repr_css_attr_new();
+ sp_repr_css_set_property( css, attrName, c );
+ sp_desktop_set_style(desktop, css);
+
+ sp_repr_css_attr_unref(css);
+ sp_document_done (SP_DT_DOCUMENT (desktop));
+ }
+}
+
+
+
+
+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;
+}
+
+
+class JustForNow
+{
+public:
+ Glib::ustring _name;
+ std::vector<ColorItem*> _colors;
+};
+
+static std::vector<JustForNow*> possible;
+
+static 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 ) {
+ // 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 {
+ // error
+ hasErr = true;
+ }
+ } else {
+ // error
+ hasErr = true;
+ }
+ }
+ }
+ }
+ }
+ } while ( result && !hasErr );
+ if ( !hasErr ) {
+ possible.push_back(onceMore);
+ } 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) );
+
+ // 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, (GFileTest)(G_FILE_TEST_EXISTS | 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* full = g_build_filename(dirname, filename, NULL);
+ if ( !Inkscape::IO::file_test( full, (GFileTest)(G_FILE_TEST_IS_DIR ) ) ) {
+ loadPaletteFile(full);
+ }
+ g_free(full);
+ }
+ g_dir_close(directory);
+ }
+ }
+
+ // toss the dirname
+ g_free(dirname);
+ sources.pop_front();
+ }
+ }
+}
+
+
+
+
+
+
+
+
+
+SwatchesPanel& SwatchesPanel::getInstance()
+{
+ if ( !instance ) {
+ instance = new SwatchesPanel();
+ }
+
+ return *instance;
+}
+
+
+
+/**
+ * Constructor
+ */
+SwatchesPanel::SwatchesPanel() :
+ Inkscape::UI::Widget::Panel ("dialogs.swatches"),
+ _holder(0)
+{
+ _holder = new PreviewHolder();
+ loadEmUp();
+
+ if ( !possible.empty() ) {
+ JustForNow* first = possible.front();
+ for ( std::vector<ColorItem*>::iterator it = first->_colors.begin(); it != first->_colors.end(); it++ ) {
+ _holder->addPreview(*it);
+ }
+
+ 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));
+ _regItem( single, 3, i );
+ i++;
+ }
+
+ }
+
+
+ pack_start(*_holder, Gtk::PACK_EXPAND_WIDGET);
+ _setTargetFillable(_holder);
+
+ show_all_children();
+
+ restorePanelPrefs();
+}
+
+SwatchesPanel::~SwatchesPanel()
+{
+}
+
+void SwatchesPanel::_handleAction( int setId, int itemId )
+{
+ switch( setId ) {
+ case 3:
+ {
+ if ( itemId >= 0 && itemId < static_cast<int>(possible.size()) ) {
+ _holder->clear();
+ JustForNow* curr = possible[itemId];
+ for ( std::vector<ColorItem*>::iterator it = curr->_colors.begin(); it != curr->_colors.end(); it++ ) {
+ _holder->addPreview(*it);
+ }
+ }
+ }
+ break;
+ }
+}
+
+} //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 :
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