From 8462bb8a93d432c675b316679d4dc184f340ab5a Mon Sep 17 00:00:00 2001
From: gouldtj <gouldtj@users.sourceforge.net>
Date: Sat, 1 Sep 2007 04:32:10 +0000
Subject: [PATCH]  r16340@tres:  ted | 2007-08-20 19:02:50 -0700  Pinned is
 still not working, somewhat usable state.  Worth checking in.

---
 src/extension/execution-env.cpp | 23 ++++++++++++++++++-----
 src/extension/execution-env.h   |  3 ++-
 src/extension/prefdialog.cpp    | 15 +++++++++++++++
 src/extension/prefdialog.h      |  2 ++
 4 files changed, 37 insertions(+), 6 deletions(-)

diff --git a/src/extension/execution-env.cpp b/src/extension/execution-env.cpp
index adcd2a3d7..be3abcd41 100644
--- a/src/extension/execution-env.cpp
+++ b/src/extension/execution-env.cpp
@@ -28,7 +28,7 @@ namespace Inkscape {
 namespace Extension {
 
 
-ExecutionEnv::ExecutionEnv (Effect * effect, Inkscape::UI::View::View * doc, Gtk::Widget * controls) :
+ExecutionEnv::ExecutionEnv (Effect * effect, Inkscape::UI::View::View * doc, Gtk::Widget * controls, Gtk::Dialog * prefDialog) :
     _effect(effect),
     _visibleDialog(NULL),
     _prefsVisible(false),
@@ -56,10 +56,15 @@ ExecutionEnv::ExecutionEnv (Effect * effect, Inkscape::UI::View::View * doc, Gtk
 
     _mainloop = Glib::MainLoop::create(false);
 
-    if (controls != NULL) {
-        createPrefsDialog(controls);
+    if (prefDialog == NULL) {
+        if (controls != NULL) {
+            createPrefsDialog(controls);
+        } else {
+            createWorkingDialog();
+        }
     } else {
-        createWorkingDialog();
+        _visibleDialog = prefDialog;
+        _prefsVisible = true;
     }
 
     return;
@@ -224,7 +229,7 @@ void
 ExecutionEnv::livePreview (bool state) { 
     _mainloop->quit();
     if (_livePreview && !state) {
-        _canceled = true;
+        documentCancel();
     }
     if (!_livePreview && state) {
         _humanWait = false;
@@ -233,6 +238,14 @@ ExecutionEnv::livePreview (bool state) {
     return;
 }
 
+void
+ExecutionEnv::shutdown (void) { 
+    _mainloop->quit();
+    processingCancel();
+    documentCancel();
+    _finished = true;
+    _visibleDialog = NULL;
+}
 
 } }  /* namespace Inkscape, Extension */
 
diff --git a/src/extension/execution-env.h b/src/extension/execution-env.h
index 3c4b13198..e46aafc07 100644
--- a/src/extension/execution-env.h
+++ b/src/extension/execution-env.h
@@ -39,12 +39,13 @@ private:
 public:
     Effect * _effect;
 
-    ExecutionEnv (Effect * effect, Inkscape::UI::View::View * doc, Gtk::Widget * controls = NULL);
+    ExecutionEnv (Effect * effect, Inkscape::UI::View::View * doc, Gtk::Widget * controls = NULL, Gtk::Dialog * prefDialog = NULL);
     ~ExecutionEnv (void);
 
     void run (void);
     void preferencesChange (void);
     void livePreview (bool state = true);
+    void shutdown (void);
 
 private:
     void createPrefsDialog (Gtk::Widget * controls);
diff --git a/src/extension/prefdialog.cpp b/src/extension/prefdialog.cpp
index eb6cbf6fa..62e6b9ff8 100644
--- a/src/extension/prefdialog.cpp
+++ b/src/extension/prefdialog.cpp
@@ -43,6 +43,7 @@ PrefDialog::PrefDialog (Glib::ustring name, gchar const * help, Gtk::Widget * co
     _help(help),
     _name(name),
     _exEnv(exEnv),
+    _createdExEnv(false),
     _button_ok(NULL),
     _button_cancel(NULL),
     _button_preview(NULL),
@@ -168,12 +169,26 @@ PrefDialog::pinned_toggle (void) {
 
         _button_ok->set_label(Gtk::Stock::EXECUTE.id);
         _button_cancel->set_label(Gtk::Stock::CLOSE.id);
+
+        if (_exEnv != NULL) {
+            _exEnv->shutdown();
+            if (_createdExEnv) {
+                delete _exEnv;
+            }
+            _exEnv = NULL;
+        }
     } else {
         _button_preview->set_sensitive(true);
         set_modal(true);
 
         _button_ok->set_label(Gtk::Stock::OK.id);
         _button_cancel->set_label(Gtk::Stock::CANCEL.id);
+
+        if (_exEnv == NULL) {
+            _exEnv = new ExecutionEnv(_effect, SP_ACTIVE_DESKTOP, NULL, this);
+            _createdExEnv = true;
+            _exEnv->run();
+        }
     }
 }
 
diff --git a/src/extension/prefdialog.h b/src/extension/prefdialog.h
index 059cfce45..0f385922f 100644
--- a/src/extension/prefdialog.h
+++ b/src/extension/prefdialog.h
@@ -32,6 +32,8 @@ class PrefDialog : public Gtk::Dialog {
     Glib::ustring _name;
     /** \brief  An execution environment if there is one */
     ExecutionEnv * _exEnv;
+    /** \brief  Whether we created the \a _exEnv variable */
+    bool _createdExEnv;
 
     /** \brief  A pointer to the OK button */
     Gtk::Button * _button_ok;
-- 
2.30.2