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 void SwatchSelector::_grabbedCb(SPColorSelector * /*csel*/, void * /*data*/)
  61 {
  62 }
  63
  64 void SwatchSelector::_draggedCb(SPColorSelector * /*csel*/, void *data)
  65 {
  66     if (data) {
  67         //SwatchSelector *swsel = reinterpret_cast<SwatchSelector*>(data);
  68
  69         // TODO might have to block cycles
  70
  71         // Copied from gradient-vector.cpp, but does not appear to cause visible changes:
  72         /*
  73         if (swsel->_gsel) {
  74             SPGradient *gradient = swsel->_gsel->getVector();
  75             SPGradient *ngr = sp_gradient_ensure_vector_normalized(gradient);
  76             if (ngr != gradient) {
  77                 // Our master gradient has changed
  78                 // TODO replace with proper - sp_gradient_vector_widget_load_gradient(GTK_WIDGET(swsel->_gsel), ngr);
  79             }
  80
  81             sp_gradient_ensure_vector(ngr);
  82
  83
  84             SPStop* stop = ngr->getFirstStop();
  85             if (stop) {
  86                 swsel->_csel->base->getColorAlpha(stop->specified_color, &stop->opacity);
  87                 stop->currentColor = false;
  88                 // TODO push refresh
  89             }
  90         }
  91         */
  92     }
  93 }
  94
  95 void SwatchSelector::_releasedCb(SPColorSelector * /*csel*/, void * /*data*/)
  96 {
  97 }
  98
  99 void SwatchSelector::_changedCb(SPColorSelector */*csel*/, void *data)
 100 {
 101     if (data) {
 102         SwatchSelector *swsel = reinterpret_cast<SwatchSelector*>(data);
 103
 104         // TODO might have to block cycles
 105
 106         if (swsel->_gsel) {
 107             SPGradient *gradient = swsel->_gsel->getVector();
 108             SPGradient *ngr = sp_gradient_ensure_vector_normalized(gradient);
 109             if (ngr != gradient) {
 110                 /* Our master gradient has changed */
 111                 // TODO replace with proper - sp_gradient_vector_widget_load_gradient(GTK_WIDGET(swsel->_gsel), ngr);
 112             }
 113
 114             sp_gradient_ensure_vector(ngr);
 115
 116
 117             SPStop* stop = ngr->getFirstStop();
 118             if (stop) {
 119                 SPColor color;
 120                 float alpha = 0;
 121                 guint32 rgb = 0;
 122
 123                 swsel->_csel->base->getColorAlpha( color, &alpha );
 124                 rgb = color.toRGBA32( 0x00 );
 125
 126                 // TODO replace with generic shared code that also handles icc-color
 127                 Inkscape::CSSOStringStream os;
 128                 gchar c[64];
 129                 sp_svg_write_color(c, sizeof(c), rgb);
 130                 os << "stop-color:" << c << ";stop-opacity:" << static_cast<gdouble>(alpha) <<";";
 131                 SP_OBJECT_REPR(stop)->setAttribute("style", os.str().c_str());
 132
 133                 sp_document_done(SP_OBJECT_DOCUMENT(ngr), SP_VERB_CONTEXT_GRADIENT,
 134                                  _("Change swatch color"));
 135             }
 136         }
 137     }
 138 }
 139
 140 void SwatchSelector::connectGrabbedHandler( GCallback handler, void *data )
 141 {
 142     GObject* obj = G_OBJECT(_gsel);
 143     g_signal_connect( obj, "grabbed", handler, data );
 144 }
 145
 146 void SwatchSelector::connectDraggedHandler( GCallback handler, void *data )
 147 {
 148     GObject* obj = G_OBJECT(_gsel);
 149     g_signal_connect( obj, "dragged", handler, data );
 150 }
 151
 152 void SwatchSelector::connectReleasedHandler( GCallback handler, void *data )
 153 {
 154     GObject* obj = G_OBJECT(_gsel);
 155     g_signal_connect( obj, "released", handler, data );
 156 }
 157
 158 void SwatchSelector::connectchangedHandler( GCallback handler, void *data )
 159 {
 160     GObject* obj = G_OBJECT(_gsel);
 161     g_signal_connect( obj, "changed", handler, data );
 162 }
 163
 164 void SwatchSelector::setVector(SPDocument */*doc*/, SPGradient *vector)
 165 {
 166     //GtkVBox * box = gobj();
 167
 168     _gsel->setVector((vector) ? SP_OBJECT_DOCUMENT(vector) : 0, vector);
 169
 170     if (vector) {
 171         SPStop* stop = vector->getFirstStop();
 172
 173         guint32 const colorVal = sp_stop_get_rgba32(stop);
 174         _csel->base->setAlpha(SP_RGBA32_A_F(colorVal));
 175         SPColor color( SP_RGBA32_R_F(colorVal), SP_RGBA32_G_F(colorVal), SP_RGBA32_B_F(colorVal) );
 176         // set its color, from the stored array
 177         _csel->base->setColor( color );
 178     }
 179
 180 /*
 181 */
 182 }
 183
 184 } // namespace Widgets
 185 } // namespace Inkscape
 186
 187
 188
 189 /*
 190   Local Variables:
 191   mode:c++
 192   c-file-style:"stroustrup"
 193   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 194   indent-tabs-mode:nil
 195   fill-column:99
 196   End:
 197 */
 198 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :