style-swatch.cpp revision 3a8e479f331858946168c32bfc7622c9010b6680
/**
* \brief Static style swatch (fill, stroke, opacity)
*
* Author:
* buliabyak@gmail.com
*
* Copyright (C) 2005 author
*
* Released under GNU GPL. Read the file 'COPYING' for more information.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "style-swatch.h"
#include "widgets/spw-utilities.h"
#include "ui/widget/color-preview.h"
#include "style.h"
#include "sp-linear-gradient-fns.h"
#include "sp-radial-gradient-fns.h"
#include "sp-pattern.h"
#include "xml/repr.h"
#include "xml/node-event-vector.h"
#include "widgets/widget-sizes.h"
#include "helper/units.h"
#include "helper/action.h"
#include "inkscape.h"
enum {
SS_FILL,
SS_STROKE
};
static void style_swatch_attr_changed(Inkscape::XML::Node *repr, gchar const *name,
gchar const *old_value, gchar const *new_value,
bool is_interactive, gpointer data)
{
Inkscape::UI::Widget::StyleSwatch *ss = (Inkscape::UI::Widget::StyleSwatch *) data;
if (!strcmp (name, "style")) { // FIXME: watching only for the style attr, no CSS attrs
SPCSSAttr *css = sp_repr_css_attr_inherited(repr, "style");
ss->setStyle (css);
}
}
static Inkscape::XML::NodeEventVector style_swatch_repr_events =
{
NULL, /* child_added */
NULL, /* child_removed */
style_swatch_attr_changed,
NULL, /* content_changed */
NULL /* order_changed */
};
static void style_swatch_tool_attr_changed(Inkscape::XML::Node *repr, gchar const *name,
gchar const *old_value, gchar const *new_value,
bool is_interactive, gpointer data)
{
Inkscape::UI::Widget::StyleSwatch *ss = (Inkscape::UI::Widget::StyleSwatch *) data;
if (!strcmp (name, "usecurrent")) { // FIXME: watching only for the style attr, no CSS attrs
if (!strcmp (new_value, "1")) {
ss->setWatched (inkscape_get_repr(INKSCAPE, "desktop"), inkscape_get_repr(INKSCAPE, ss->_tool_path));
} else {
ss->setWatched (inkscape_get_repr(INKSCAPE, ss->_tool_path), NULL);
}
// UGLY HACK: we have to reconnect to the watched tool repr again, retrieving it from the stored
// tool_path, because the actual repr keeps shifting with each change, no idea why
ss->setWatchedTool(ss->_tool_path, false);
}
}
static Inkscape::XML::NodeEventVector style_swatch_tool_repr_events =
{
NULL, /* child_added */
NULL, /* child_removed */
style_swatch_tool_attr_changed,
NULL, /* content_changed */
NULL /* order_changed */
};
namespace Inkscape {
namespace UI {
namespace Widget {
StyleSwatch::StyleSwatch(SPCSSAttr *css, gchar const *main_tip)
:
_tool_path(NULL),
_css (NULL),
_watched(NULL),
_watched_tool(NULL),
_table(2, 6),
_sw_unit(NULL),
_tooltips ()
{
_label[SS_FILL].set_markup(_("Fill:"));
_label[SS_STROKE].set_markup(_("Stroke:"));
for (int i = SS_FILL; i <= SS_STROKE; i++) {
_label[i].set_alignment(0.0, 0.5);
_label[i].set_padding(0, 0);
_color_preview[i] = new Inkscape::UI::Widget::ColorPreview (0);
}
_opacity_value.set_alignment(0.0, 0.5);
_opacity_value.set_padding(0, 0);
_table.set_col_spacings (2);
_table.set_row_spacings (0);
_stroke.pack_start(_place[SS_STROKE]);
_stroke_width_place.add(_stroke_width);
_stroke.pack_start(_stroke_width_place, Gtk::PACK_SHRINK);
_table.attach(_label[SS_FILL], 0,1, 0,1, Gtk::FILL, Gtk::SHRINK);
_table.attach(_label[SS_STROKE], 0,1, 1,2, Gtk::FILL, Gtk::SHRINK);
_table.attach(_place[SS_FILL], 1,2, 0,1);
_table.attach(_stroke, 1,2, 1,2);
_opacity_place.add(_opacity_value);
_table.attach(_opacity_place, 2,3, 0,2, Gtk::SHRINK, Gtk::SHRINK);
_swatch.add(_table);
pack_start(_swatch, true, true, 0);
set_size_request (STYLE_SWATCH_WIDTH, -1);
sp_set_font_size_smaller (GTK_WIDGET(_opacity_value.gobj()));
sp_set_font_size_smaller (GTK_WIDGET(_stroke_width.gobj()));
for (int i = SS_FILL; i <= SS_STROKE; i++) {
sp_set_font_size_smaller (GTK_WIDGET(_value[i].gobj()));
sp_set_font_size_smaller (GTK_WIDGET(_place[i].gobj()));
sp_set_font_size_smaller (GTK_WIDGET(_label[i].gobj()));
}
setStyle (css);
_swatch.signal_button_press_event().connect(sigc::mem_fun(*this, &StyleSwatch::on_click));
_tooltips.set_tip(_swatch, main_tip);
}
void StyleSwatch::setClickVerb(sp_verb_t verb_t) {
_verb_t = verb_t;
}
void StyleSwatch::setDesktop(SPDesktop *desktop) {
_desktop = desktop;
}
bool
StyleSwatch::on_click(GdkEventButton *event)
{
if (this->_desktop && this->_verb_t != SP_VERB_NONE) {
Inkscape::Verb *verb = Inkscape::Verb::get(this->_verb_t);
SPAction *action = verb->get_action((Inkscape::UI::View::View *) this->_desktop);
sp_action_perform (action, NULL);
return true;
}
return false;
}
StyleSwatch::~StyleSwatch()
{
if (_css)
sp_repr_css_attr_unref (_css);
for (int i = SS_FILL; i <= SS_STROKE; i++) {
delete _color_preview[i];
}
if (_watched) {
sp_repr_remove_listener_by_data(_watched, this);
Inkscape::GC::release(_watched);
_watched = NULL;
}
if (_watched_tool) {
sp_repr_remove_listener_by_data(_watched_tool, this);
Inkscape::GC::release(_watched_tool);
_watched_tool = NULL;
_tool_path = NULL;
}
}
void
StyleSwatch::setWatched(Inkscape::XML::Node *watched, Inkscape::XML::Node *secondary)
{
if (_watched) {
sp_repr_remove_listener_by_data(_watched, this);
Inkscape::GC::release(_watched);
_watched = NULL;
}
if (watched) {
_watched = watched;
Inkscape::GC::anchor(_watched);
sp_repr_add_listener(_watched, &style_swatch_repr_events, this);
sp_repr_synthesize_events(_watched, &style_swatch_repr_events, this);
// If desktop's last-set style is empty, a tool uses its own fixed style even if set to use
// last-set (so long as it's empty). To correctly show this, we're passed the second repr,
// that of the tool prefs node, from which we now setStyle if the watched repr's style is
// empty.
if (secondary) {
SPCSSAttr *css = sp_repr_css_attr_inherited(watched, "style");
if (!css->attributeList()) { // is css empty?
SPCSSAttr *css_secondary = sp_repr_css_attr_inherited(secondary, "style");
this->setStyle (css_secondary);
}
}
}
}
void
StyleSwatch::setWatchedTool(const char *path, bool synthesize)
{
if (_watched_tool) {
sp_repr_remove_listener_by_data(_watched_tool, this);
Inkscape::GC::release(_watched_tool);
_watched_tool = NULL;
_tool_path = NULL;
}
if (path) {
_tool_path = (char *) path;
Inkscape::XML::Node *watched_tool = inkscape_get_repr(INKSCAPE, path);
if (watched_tool) {
_watched_tool = watched_tool;
Inkscape::GC::anchor(_watched_tool);
sp_repr_add_listener(_watched_tool, &style_swatch_tool_repr_events, this);
if (synthesize) {
sp_repr_synthesize_events(_watched_tool, &style_swatch_tool_repr_events, this);
}
}
}
}
void
StyleSwatch::setStyle(SPCSSAttr *css)
{
if (_css)
sp_repr_css_attr_unref (_css);
if (!css)
return;
_css = sp_repr_css_attr_new();
sp_repr_css_merge(_css, css);
gchar const *css_string = sp_repr_css_write_string (_css);
SPStyle *temp_spstyle = sp_style_new(SP_ACTIVE_DOCUMENT);
if (css_string)
sp_style_merge_from_style_string (temp_spstyle, css_string);
setStyle (temp_spstyle);
sp_style_unref (temp_spstyle);
}
void
StyleSwatch::setStyle(SPStyle *query)
{
_place[SS_FILL].remove();
_place[SS_STROKE].remove();
bool has_stroke = true;
for (int i = SS_FILL; i <= SS_STROKE; i++) {
Gtk::EventBox *place = &(_place[i]);
SPIPaint *paint;
if (i == SS_FILL) {
paint = &(query->fill);
} else {
paint = &(query->stroke);
}
if (paint->set && paint->type == SP_PAINT_TYPE_COLOR) {
guint32 color = sp_color_get_rgba32_falpha (&(paint->value.color),
SP_SCALE24_TO_FLOAT ((i == SS_FILL)? query->fill_opacity.value : query->stroke_opacity.value));
((Inkscape::UI::Widget::ColorPreview*)_color_preview[i])->setRgba32 (color);
_color_preview[i]->show_all();
place->add(*_color_preview[i]);
gchar *tip;
if (i == SS_FILL) {
tip = g_strdup_printf (_("Fill: %06x/%.3g"), color >> 8, SP_RGBA32_A_F(color));
} else {
tip = g_strdup_printf (_("Stroke: %06x/%.3g"), color >> 8, SP_RGBA32_A_F(color));
}
_tooltips.set_tip(*place, tip);
g_free (tip);
} else if (paint->set && paint->type == SP_PAINT_TYPE_PAINTSERVER) {
SPPaintServer *server = (i == SS_FILL)? SP_STYLE_FILL_SERVER (query) : SP_STYLE_STROKE_SERVER (query);
if (SP_IS_LINEARGRADIENT (server)) {
_value[i].set_markup(_("L Gradient"));
place->add(_value[i]);
_tooltips.set_tip(*place, (i == SS_FILL)? (_("Linear gradient fill")) : (_("Linear gradient stroke")));
} else if (SP_IS_RADIALGRADIENT (server)) {
_value[i].set_markup(_("R Gradient"));
place->add(_value[i]);
_tooltips.set_tip(*place, (i == SS_FILL)? (_("Radial gradient fill")) : (_("Radial gradient stroke")));
} else if (SP_IS_PATTERN (server)) {
_value[i].set_markup(_("Pattern"));
place->add(_value[i]);
_tooltips.set_tip(*place, (i == SS_FILL)? (_("Pattern fill")) : (_("Pattern stroke")));
}
} else if (paint->set && paint->type == SP_PAINT_TYPE_NONE) {
_value[i].set_markup(_("<i>None</i>"));
place->add(_value[i]);
_tooltips.set_tip(*place, (i == SS_FILL)? (_("No fill")) : (_("No stroke")));
if (i == SS_STROKE) has_stroke = false;
} else if (!paint->set) {
_value[i].set_markup(_("<b>Unset</b>"));
place->add(_value[i]);
_tooltips.set_tip(*place, (i == SS_FILL)? (_("Unset fill")) : (_("Unset stroke")));
if (i == SS_STROKE) has_stroke = false;
}
}
// Now query stroke_width
if (has_stroke) {
double w;
if (_sw_unit) {
w = sp_pixels_get_units(query->stroke_width.computed, *_sw_unit);
} else {
w = query->stroke_width.computed;
}
{
gchar *str = g_strdup_printf(" %.3g", w);
_stroke_width.set_markup(str);
g_free (str);
}
{
gchar *str = g_strdup_printf(_("Stroke width: %.5g%s"),
w,
_sw_unit? sp_unit_get_abbreviation(_sw_unit) : "px");
_tooltips.set_tip(_stroke_width_place, str);
g_free (str);
}
} else {
_tooltips.unset_tip(_stroke_width_place);
_stroke_width.set_markup ("");
}
gdouble op = SP_SCALE24_TO_FLOAT(query->opacity.value);
if (op != 1) {
{
gchar *str;
if (op == 0)
str = g_strdup_printf(_("O:%.3g"), op);
else
str = g_strdup_printf(_("O:.%d"), (int) (op*10));
_opacity_value.set_markup (str);
g_free (str);
}
{
gchar *str = g_strdup_printf(_("Opacity: %.3g"), op);
_tooltips.set_tip(_opacity_place, str);
g_free (str);
}
} else {
_tooltips.unset_tip(_opacity_place);
_opacity_value.set_markup ("");
}
show_all();
}
} // namespace Widget
} // namespace UI
} // namespace Inkscape
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=c++:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :