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/*
* Authors:
* Ted Gould <ted@gould.cx>
*
* Copyright (C) 2002-2005 Authors
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include "inkscape-private.h"
#include "helper/action.h"
#include "document.h"
#include "prefdialog.h"
#include "implementation/implementation.h"
#include "effect.h"
#include "ui/view/view.h"
/* Inkscape::Extension::Effect */
namespace Inkscape {
namespace Extension {
Effect * Effect::_last_effect = NULL;
Inkscape::XML::Node * Effect::_effects_list = NULL;
Effect::Effect (Inkscape::XML::Node * in_repr, Implementation::Implementation * in_imp)
: Extension(in_repr, in_imp), _verb(get_id(), get_name(), NULL, NULL, this), _menu_node(NULL)
{
if (_effects_list == NULL)
find_effects_list(inkscape_get_menus(INKSCAPE));
if (_effects_list != NULL) {
_menu_node = sp_repr_new("verb");
_menu_node->setAttribute("verb-id", this->get_id(), false);
_effects_list->parent()->appendChild(_menu_node);
Inkscape::GC::release(_menu_node);
} /*else {
printf("Effect %s not added\n", get_name());
}*/
return;
}
Effect::~Effect (void)
{
if (get_last_effect() == this)
set_last_effect(NULL);
return;
}
bool
Effect::check (void)
{
if (!Extension::check()) {
/** \todo Check to see if parent has this as its only child,
if so, delete it too */
if (_menu_node != NULL)
sp_repr_unparent(_menu_node);
_menu_node = NULL;
return false;
}
return true;
}
bool
Effect::prefs (Inkscape::UI::View::View * doc)
{
if (!loaded())
set_state(Extension::STATE_LOADED);
if (!loaded()) return false;
Gtk::Widget * controls;
controls = imp->prefs_effect(this, doc);
if (controls == NULL) {
// std::cout << "No preferences for Effect" << std::endl;
return true;
}
PrefDialog * dialog = new PrefDialog(this->get_name(), controls);
int response = dialog->run();
dialog->hide();
delete dialog;
if (response == Gtk::RESPONSE_OK) return true;
return false;
}
/**
\brief The function that 'does' the effect itself
\param doc The Inkscape::UI::View::View to do the effect on
This function first insures that the extension is loaded, and if not,
loads it. It then calls the implemention to do the actual work. It
also resets the last effect pointer to be this effect. Finally, it
executes a \c sp_document_done to commit the changes to the undo
stack.
*/
void
Effect::effect (Inkscape::UI::View::View * doc)
{
if (!loaded())
set_state(Extension::STATE_LOADED);
if (!loaded()) return;
set_last_effect(this);
imp->effect(this, doc);
sp_document_done(doc->doc());
return;
}
void
Effect::set_last_effect (Effect * in_effect)
{
if (in_effect == NULL) {
Inkscape::Verb::get(SP_VERB_EFFECT_LAST)->sensitive(NULL, false);
Inkscape::Verb::get(SP_VERB_EFFECT_LAST_PREF)->sensitive(NULL, false);
} else if (_last_effect == NULL) {
Inkscape::Verb::get(SP_VERB_EFFECT_LAST)->sensitive(NULL, true);
Inkscape::Verb::get(SP_VERB_EFFECT_LAST_PREF)->sensitive(NULL, true);
}
_last_effect = in_effect;
return;
}
#define EFFECTS_LIST "effects-list"
bool
Effect::find_effects_list (Inkscape::XML::Node * menustruct)
{
if (menustruct == NULL) return false;
for (Inkscape::XML::Node * child = menustruct;
child != NULL;
child = child->next()) {
if (!strcmp(child->name(), EFFECTS_LIST)) {
_effects_list = menustruct;
return true;
}
Inkscape::XML::Node * firstchild = child->firstChild();
if (firstchild != NULL)
if (find_effects_list(firstchild))
return true;
}
return false;
}
/** \brief Create an action for a \c EffectVerb
\param view Which view the action should be created for
\return The built action.
Calls \c make_action_helper with the \c vector.
*/
SPAction *
Effect::EffectVerb::make_action (Inkscape::UI::View::View * view)
{
return make_action_helper(view, &vector, static_cast<void *>(_effect));
}
/** \brief Decode the verb code and take appropriate action */
void
Effect::EffectVerb::perform (SPAction *action, void * data, void *pdata)
{
Inkscape::UI::View::View * current_view = sp_action_get_view(action);
// SPDocument * current_document = current_view->doc;
Effect * effect = reinterpret_cast<Effect *>(data);
if (effect == NULL) return;
if (current_view == NULL) return;
// std::cout << "Executing: " << effect->get_name() << std::endl;
if (effect->prefs(current_view))
effect->effect(current_view);
return;
}
/**
* Action vector to define functions called if a staticly defined file verb
* is called.
*/
SPActionEventVector Effect::EffectVerb::vector =
{{NULL},Effect::EffectVerb::perform, NULL, NULL, NULL};
} } /* namespace Inkscape, Extension */
/*
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 :
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