src/widgets/swatch-selector.cpp

   1
   2
   3 #include <glibmm/i18n.h>
   4
   5 #include "swatch-selector.h"
   6
   7 #include "document.h"
   8 #include "gradient-chemistry.h"
   9 #include "gradient-selector.h"
  10 #include "sp-color-notebook.h"
  11 #include "sp-stop.h"
  12 #include "svg/css-ostringstream.h"
  13 #include "svg/svg-color.h"
  14 #include "verbs.h"
  15 #include "xml/node.h"
  16
  17 namespace Inkscape
  18 {
  19 namespace Widgets
  20 {
  21
  22 SwatchSelector::SwatchSelector() :
  23     Gtk::VBox(),
  24     _gsel(0),
  25     _csel(0)
  26 {
  27     GtkWidget *gsel = sp_gradient_selector_new();
  28     _gsel = SP_GRADIENT_SELECTOR(gsel);
  29     g_object_set_data( G_OBJECT(gobj()), "base", this );
  30     _gsel->setMode(SPGradientSelector::MODE_SWATCH);
  31
  32     gtk_widget_show(gsel);
  33
  34     pack_start(*Gtk::manage(Glib::wrap(gsel)));
  35
  36
  37     GtkWidget *csel = sp_color_selector_new( SP_TYPE_COLOR_NOTEBOOK );
  38     _csel = SP_COLOR_SELECTOR(csel);
  39     Gtk::Widget *wrappedCSel = Glib::wrap(csel);
  40     wrappedCSel->show();
  41     //gtk_widget_show(csel);
  42
  43
  44     GObject *obj = G_OBJECT(csel);
  45
  46     g_signal_connect(obj, "grabbed", G_CALLBACK(_grabbedCb), this);
  47     g_signal_connect(obj, "dragged", G_CALLBACK(_draggedCb), this);
  48     g_signal_connect(obj, "released", G_CALLBACK(_releasedCb), this);
  49     g_signal_connect(obj, "changed", G_CALLBACK(_changedCb), this);
  50
  51     pack_start(*Gtk::manage(wrappedCSel));
  52 }
  53
  54 SwatchSelector::~SwatchSelector()
  55 {
  56     _csel = 0; // dtor should be handled by Gtk::manage()
  57     _gsel = 0;
  58 }
  59
  60 SPGradientSelector *SwatchSelector::getGradientSelector()
  61 {
  62     return _gsel;
  63 }
  64
  65 void SwatchSelector::_grabbedCb(SPColorSelector * /*csel*/, void * /*data*/)
  66 {
  67 }
  68
  69 void SwatchSelector::_draggedCb(SPColorSelector * /*csel*/, void *data)
  70 {
  71     if (data) {
  72         //SwatchSelector *swsel = reinterpret_cast<SwatchSelector*>(data);
  73
  74         // TODO might have to block cycles
  75
  76         // Copied from gradient-vector.cpp, but does not appear to cause visible changes:
  77         /*
  78         if (swsel->_gsel) {
  79             SPGradient *gradient = swsel->_gsel->getVector();
  80             SPGradient *ngr = sp_gradient_ensure_vector_normalized(gradient);
  81             if (ngr != gradient) {
  82                 // Our master gradient has changed
  83                 // TODO replace with proper - sp_gradient_vector_widget_load_gradient(GTK_WIDGET(swsel->_gsel), ngr);
  84             }
  85
  86             sp_gradient_ensure_vector(ngr);
  87
  88
  89             SPStop* stop = ngr->getFirstStop();
  90             if (stop) {
  91                 swsel->_csel->base->getColorAlpha(stop->specified_color, &stop->opacity);
  92                 stop->currentColor = false;
  93                 // TODO push refresh
  94             }
  95         }
  96         */
  97     }
  98 }
  99
 100 void SwatchSelector::_releasedCb(SPColorSelector * /*csel*/, void * /*data*/)
 101 {
 102 }
 103
 104 void SwatchSelector::_changedCb(SPColorSelector */*csel*/, void *data)
 105 {
 106     if (data) {
 107         SwatchSelector *swsel = reinterpret_cast<SwatchSelector*>(data);
 108
 109         // TODO might have to block cycles
 110
 111         if (swsel->_gsel && swsel->_gsel->getVector()) {
 112             SPGradient *gradient = swsel->_gsel->getVector();
 113             SPGradient *ngr = sp_gradient_ensure_vector_normalized(gradient);
 114             if (ngr != gradient) {
 115                 /* Our master gradient has changed */
 116                 // TODO replace with proper - sp_gradient_vector_widget_load_gradient(GTK_WIDGET(swsel->_gsel), ngr);
 117             }
 118
 119             ngr->ensureVector();
 120
 121
 122             SPStop* stop = ngr->getFirstStop();
 123             if (stop) {
 124                 SPColor color;
 125                 float alpha = 0;
 126                 guint32 rgb = 0;
 127
 128                 swsel->_csel->base->getColorAlpha( color, alpha );
 129                 rgb = color.toRGBA32( 0x00 );
 130
 131                 // TODO replace with generic shared code that also handles icc-color
 132                 Inkscape::CSSOStringStream os;
 133                 gchar c[64];
 134                 sp_svg_write_color(c, sizeof(c), rgb);
 135                 os << "stop-color:" << c << ";stop-opacity:" << static_cast<gdouble>(alpha) <<";";
 136                 SP_OBJECT_REPR(stop)->setAttribute("style", os.str().c_str());
 137
 138                 DocumentUndo::done(SP_OBJECT_DOCUMENT(ngr), SP_VERB_CONTEXT_GRADIENT,
 139                                    _("Change swatch color"));
 140             }
 141         }
 142     }
 143 }
 144
 145 void SwatchSelector::connectGrabbedHandler( GCallback handler, void *data )
 146 {
 147     GObject* obj = G_OBJECT(_gsel);
 148     g_signal_connect( obj, "grabbed", handler, data );
 149 }
 150
 151 void SwatchSelector::connectDraggedHandler( GCallback handler, void *data )
 152 {
 153     GObject* obj = G_OBJECT(_gsel);
 154     g_signal_connect( obj, "dragged", handler, data );
 155 }
 156
 157 void SwatchSelector::connectReleasedHandler( GCallback handler, void *data )
 158 {
 159     GObject* obj = G_OBJECT(_gsel);
 160     g_signal_connect( obj, "released", handler, data );
 161 }
 162
 163 void SwatchSelector::connectchangedHandler( GCallback handler, void *data )
 164 {
 165     GObject* obj = G_OBJECT(_gsel);
 166     g_signal_connect( obj, "changed", handler, data );
 167 }
 168
 169 void SwatchSelector::setVector(SPDocument */*doc*/, SPGradient *vector)
 170 {
 171     //GtkVBox * box = gobj();
 172     _gsel->setVector((vector) ? SP_OBJECT_DOCUMENT(vector) : 0, vector);
 173
 174     if ( vector && vector->isSolid() ) {
 175         SPStop* stop = vector->getFirstStop();
 176
 177         guint32 const colorVal = sp_stop_get_rgba32(stop);
 178         _csel->base->setAlpha(SP_RGBA32_A_F(colorVal));
 179         SPColor color( SP_RGBA32_R_F(colorVal), SP_RGBA32_G_F(colorVal), SP_RGBA32_B_F(colorVal) );
 180         // set its color, from the stored array
 181         _csel->base->setColor( color );
 182         gtk_widget_show_all( GTK_WIDGET(_csel) );
 183     } else {
 184         gtk_widget_hide( GTK_WIDGET(_csel) );
 185     }
 186
 187 /*
 188 */
 189 }
 190
 191 } // namespace Widgets
 192 } // namespace Inkscape
 193
 194
 195
 196 /*
 197   Local Variables:
 198   mode:c++
 199   c-file-style:"stroustrup"
 200   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 201   indent-tabs-mode:nil
 202   fill-column:99
 203   End:
 204 */
 205 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :