From 061bd232b2031ce8697b35a1ce620a29c7db603b Mon Sep 17 00:00:00 2001
From: "Johan B. C. Engelen" <jbc.engelen@swissonline.ch>
Date: Thu, 27 Sep 2007 12:33:10 +0000
Subject: fixing undo problems with LPE widgets. Not completely fixed yet.
 CheckButtons still crash, and some changes are not recorded in the history
 (try the random parameters of curve stitching)

(bzr r3809)
---
 src/ui/widget/registered-widget.cpp | 61 ++++++++++++++++++++++++++++++-------
 1 file changed, 50 insertions(+), 11 deletions(-)

(limited to 'src/ui/widget/registered-widget.cpp')

diff --git a/src/ui/widget/registered-widget.cpp b/src/ui/widget/registered-widget.cpp
index 5f59eff8f..46532d358 100644
--- a/src/ui/widget/registered-widget.cpp
+++ b/src/ui/widget/registered-widget.cpp
@@ -82,7 +82,8 @@ RegisteredWidget::write_to_xml(const char * svgstr)
 //====================================================
 
 RegisteredCheckButton::RegisteredCheckButton()
-: _button(0)
+: _button(0),
+   setProgrammatically(false)
 {
 }
 
@@ -109,16 +110,23 @@ RegisteredCheckButton::init (const Glib::ustring& label, const Glib::ustring& ti
 void
 RegisteredCheckButton::setActive (bool b)
 {
+// FIXME: for some reason, this function is also called when user clicks. then setProgrammatically should not be set!
+    setProgrammatically = true;
     _button->set_active (b);
-	//The slave button is greyed out if the master button is unchecked
-	for (std::list<Gtk::ToggleButton*>::const_iterator i = _slavebuttons.begin(); i != _slavebuttons.end(); i++) {
-		(*i)->set_sensitive(b);
-	}
+    //The slave button is greyed out if the master button is unchecked
+    for (std::list<Gtk::ToggleButton*>::const_iterator i = _slavebuttons.begin(); i != _slavebuttons.end(); i++) {
+        (*i)->set_sensitive(b);
+    }
 }
 
 void
 RegisteredCheckButton::on_toggled()
 {
+    if (setProgrammatically) {
+        setProgrammatically = false;
+        return;
+    }
+
     if (_wr->isUpdating())
         return;
 
@@ -215,12 +223,16 @@ void
 RegisteredScalarUnit::setValue (double val)
 {
     _widget->setValue (val);
-    on_value_changed();
 }
 
 void
 RegisteredScalarUnit::on_value_changed()
 {
+    if (_widget->setProgrammatically) {
+        _widget->setProgrammatically = false;
+        return;
+    }
+
     if (_wr->isUpdating())
         return;
 
@@ -274,12 +286,16 @@ void
 RegisteredScalar::setValue (double val)
 {
     _widget->setValue (val);
-    on_value_changed();
 }
 
 void
 RegisteredScalar::on_value_changed()
 {
+    if (_widget->setProgrammatically) {
+        _widget->setProgrammatically = false;
+        return;
+    }
+
     if (_wr->isUpdating()) {
         return;
     }
@@ -370,7 +386,9 @@ RegisteredColorPicker::on_changed (guint32 rgba)
 }
 
 RegisteredSuffixedInteger::RegisteredSuffixedInteger()
-: _label(0), _sb(0),
+: _label(0),
+  setProgrammatically(false),
+  _sb(0),
   _adj(0.0,0.0,100.0,1.0,1.0,1.0),
   _suffix(0)
 {
@@ -404,12 +422,18 @@ RegisteredSuffixedInteger::init (const Glib::ustring& label, const Glib::ustring
 void
 RegisteredSuffixedInteger::setValue (int i)
 {
+    setProgrammatically = true;
     _adj.set_value (i);
 }
 
 void
 RegisteredSuffixedInteger::on_value_changed()
 {
+    if (setProgrammatically) {
+        setProgrammatically = false;
+        return;
+    }
+
     if (_wr->isUpdating())
         return;
 
@@ -425,7 +449,8 @@ RegisteredSuffixedInteger::on_value_changed()
 }
 
 RegisteredRadioButtonPair::RegisteredRadioButtonPair()
-: _hbox(0)
+: _hbox(0),
+   setProgrammatically(false)
 {
 }
 
@@ -458,6 +483,7 @@ const Glib::ustring& key, Registry& wr, Inkscape::XML::Node* repr_in, SPDocument
 void
 RegisteredRadioButtonPair::setValue (bool second)
 {
+    setProgrammatically = true;
     if (second) _rb2->set_active();
     else        _rb1->set_active();
 }
@@ -465,6 +491,11 @@ RegisteredRadioButtonPair::setValue (bool second)
 void
 RegisteredRadioButtonPair::on_value_changed()
 {
+    if (setProgrammatically) {
+        setProgrammatically = false;
+        return;
+    }
+
     if (_wr->isUpdating())
         return;
 
@@ -519,12 +550,16 @@ void
 RegisteredPoint::setValue (double xval, double yval)
 {
     _widget->setValue(xval, yval);
-    on_value_changed();
 }
 
 void
 RegisteredPoint::on_value_changed()
 {
+    if (_widget->setProgrammatically()) {
+        _widget->clearProgrammatically();
+        return;
+    }
+
     if (_wr->isUpdating())
         return;
 
@@ -582,12 +617,16 @@ RegisteredRandom::setValue (double val, long startseed)
 {
     _widget->setValue (val);
     _widget->setStartSeed(startseed);
-    on_value_changed();
 }
 
 void
 RegisteredRandom::on_value_changed()
 {
+    if (_widget->setProgrammatically) {
+        _widget->setProgrammatically = false;
+        return;
+    }
+
     if (_wr->isUpdating())
         return;
     _wr->setUpdating (true);
-- 
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