Code

Node tool: special case node duplication for endnodes - select new endnode
[inkscape.git] / src / extension / prefdialog.cpp
index 7c3b766391735df675158ced38c8ee370cade300..9d3abae762e4f7138c43fb13a58179d43817537a 100644 (file)
  * Authors:
  *   Ted Gould <ted@gould.cx>
  *
- * Copyright (C) 2005-2006 Authors
+ * Copyright (C) 2005-2008 Authors
  *
  * Released under GNU GPL, read the file 'COPYING' for more information
  */
 
 #include <gtkmm/stock.h>
+#include <gtkmm/checkbutton.h>
+#include <gtkmm/separator.h>
 #include <glibmm/i18n.h>
 
 #include "../dialogs/dialog-events.h"
+#include "xml/repr.h"
+
+// Used to get SP_ACTIVE_DESKTOP
+#include "inkscape.h"
+#include "desktop.h"
+
+#include "effect.h"
+#include "implementation/implementation.h"
 
 #include "prefdialog.h"
 
+
 namespace Inkscape {
 namespace Extension {
 
+
 /** \brief  Creates a new preference dialog for extension preferences
     \param  name  Name of the Extension who's dialog this is
     \param  help  The help string for the extension (NULL if none)
     \param  controls  The extension specific widgets in the dialog
-    
+
     This function initializes the dialog with the name of the extension
     in the title.  It adds a few buttons and sets up handlers for
     them.  It also places the passed in widgets into the dialog.
 */
-PrefDialog::PrefDialog (Glib::ustring name, gchar const * help, Gtk::Widget * controls) :
-    Gtk::Dialog::Dialog(_(name.c_str()), true, true), _help(help), _name(name)
+PrefDialog::PrefDialog (Glib::ustring name, gchar const * help, Gtk::Widget * controls, Effect * effect) :
+    Gtk::Dialog::Dialog(_(name.c_str()), true, true),
+    _help(help),
+    _name(name),
+    _button_ok(NULL),
+    _button_cancel(NULL),
+    _button_preview(NULL),
+    _param_preview(NULL),
+    _effect(effect),
+    _exEnv(NULL)
 {
-    // I'm leaving the following in here as I'm perhaps missing something
-   /* A hack to internationalize the title properly */
-    //gchar * title = g_strdup_printf("%s", name.c_str());
-    //this->set_title(title);
-    //g_free(title);
-
     Gtk::HBox * hbox = Gtk::manage(new Gtk::HBox());
+    if (controls == NULL) {
+        if (_effect == NULL) {
+            std::cout << "AH!!!  No controls and no effect!!!" << std::endl;
+            return;
+        }
+        controls = _effect->get_imp()->prefs_effect(_effect, SP_ACTIVE_DESKTOP, &_signal_param_change, NULL);
+        _signal_param_change.connect(sigc::mem_fun(this, &PrefDialog::param_change));
+    }
+
     hbox->pack_start(*controls, true, true, 6);
     hbox->show();
     this->get_vbox()->pack_start(*hbox, true, true, 6);
 
-
     /*
     Gtk::Button * help_button = add_button(Gtk::Stock::HELP, Gtk::RESPONSE_HELP);
     if (_help == NULL)
         help_button->set_sensitive(false);
     */
-    add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
+    _button_cancel = add_button(_effect == NULL ? Gtk::Stock::CANCEL : Gtk::Stock::CLOSE, Gtk::RESPONSE_CANCEL);
+    _button_cancel->set_use_stock(true);
 
-    Gtk::Button * ok = add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
+    _button_ok = add_button(_effect == NULL ? Gtk::Stock::OK : Gtk::Stock::APPLY, Gtk::RESPONSE_OK);
+    _button_ok->set_use_stock(true);
     set_default_response(Gtk::RESPONSE_OK);
-    ok->grab_focus();
-    
+    _button_ok->grab_focus();
+
+    if (_effect != NULL && !_effect->no_live_preview) {
+        if (_param_preview == NULL) {
+            XML::Document * doc = sp_repr_read_mem(live_param_xml, strlen(live_param_xml), NULL);
+            _param_preview = Parameter::make(doc->root(), _effect);
+        }
+
+        Gtk::HSeparator * sep = Gtk::manage(new Gtk::HSeparator());
+        sep->show();
+        this->get_vbox()->pack_start(*sep, true, true, 4);
+
+        hbox = Gtk::manage(new Gtk::HBox());
+        _button_preview = _param_preview->get_widget(NULL, NULL, &_signal_preview);
+        _button_preview->show();
+        hbox->pack_start(*_button_preview, true, true,6);
+        hbox->show();
+        this->get_vbox()->pack_start(*hbox, true, true, 6);
+
+        Gtk::HBox * hbox = dynamic_cast<Gtk::HBox *>(_button_preview);
+        if (hbox != NULL) {
+            Gtk::Widget * back = hbox->children().back().get_widget();
+            Gtk::CheckButton * cb = dynamic_cast<Gtk::CheckButton *>(back);
+            _checkbox_preview = cb;
+        }
+
+        preview_toggle();
+        _signal_preview.connect(sigc::mem_fun(this, &PrefDialog::preview_toggle));
+    }
+
     GtkWidget *dlg = GTK_WIDGET(gobj());
     sp_transientize(dlg);
 
     return;
 }
 
+PrefDialog::~PrefDialog ( )
+{
+    if (_param_preview != NULL) {
+        delete _param_preview;
+        _param_preview = NULL;
+    }
+
+    if (_exEnv != NULL) {
+        _exEnv->cancel();
+        delete _exEnv;
+        _exEnv = NULL;
+    }
+
+    if (_effect != NULL) {
+        _effect->set_pref_dialog(NULL);
+    }
+
+    return;
+}
+
+#if 0
 /** \brief  Runs the dialog
     \return The response to the dialog
 
@@ -73,22 +146,95 @@ PrefDialog::run (void) {
     while (resp == Gtk::RESPONSE_HELP) {
         resp = Gtk::Dialog::run();
         if (resp == Gtk::RESPONSE_HELP) {
-
+            /*
+            if (_helpDialog == NULL) {
+                _helpDialog = new HelpDialog(_help);
+            }
+            */
         }
     }
     return resp;
 }
+#endif
 
 void
-PrefDialog::setPreviewState (Glib::ustring state) {
+PrefDialog::preview_toggle (void) {
+    if(_param_preview->get_bool(NULL, NULL)) {
+        set_modal(true);
+        if (_exEnv == NULL) {
+            _exEnv = new ExecutionEnv(_effect, SP_ACTIVE_DESKTOP, NULL, false, false);
+            _exEnv->run();
+        }
+    } else {
+        set_modal(false);
+        if (_exEnv != NULL) {
+            _exEnv->cancel();
+            _exEnv->undo();
+            delete _exEnv;
+            _exEnv = NULL;
+        }
+    }
+}
 
+void
+PrefDialog::param_change (void) {
+    if (_exEnv != NULL) {
+        _timersig.disconnect();
+        _timersig = Glib::signal_timeout().connect(sigc::mem_fun(this, &PrefDialog::param_timer_expire),
+                                                   250, /* ms */
+                                                   Glib::PRIORITY_DEFAULT_IDLE);
+    }
+
+    return;
+}
+
+bool
+PrefDialog::param_timer_expire (void) {
+    if (_exEnv != NULL) {
+        _exEnv->cancel();
+        _exEnv->undo();
+        _exEnv->run();
+    }
+
+    return false;
 }
 
 void
-PrefDialog::setPinned (bool in_pin) {
-    set_modal(!in_pin);
+PrefDialog::on_response (int signal) {
+    if (signal == Gtk::RESPONSE_OK) {
+        if (_exEnv == NULL) {
+                       if (_effect != NULL) {
+                               _effect->effect(SP_ACTIVE_DESKTOP);
+                       } else {
+                               // Shutdown run()
+                               return;
+                       }
+        } else {
+            if (_exEnv->wait()) {
+                _exEnv->commit();
+            } else {
+                _exEnv->undo();
+            }
+            delete _exEnv;
+            _exEnv = NULL;
+        }
+    }
+
+    if (_param_preview != NULL) {
+        _checkbox_preview->set_active(false);
+    }
+
+    if ((signal == Gtk::RESPONSE_CANCEL || signal == Gtk::RESPONSE_DELETE_EVENT) && _effect != NULL) {
+        delete this;
+    }
+
+    return;
 }
 
+#include "internal/clear-n_.h"
+
+const char * PrefDialog::live_param_xml = "<param name=\"__live_effect__\" type=\"boolean\" gui-text=\"" N_("Live preview") "\" gui-description=\"" N_("Is the effect previewed live on canvas?") "\" scope=\"user\">false</param>";
+
 }; }; /* namespace Inkscape, Extension */
 
 /*