From 815989d488f4c3a3ccbc552509fa09c49dd359be Mon Sep 17 00:00:00 2001
From: YuSanka <yusanka@gmail.com>
Date: Wed, 1 Apr 2020 19:01:00 +0200
Subject: [PATCH] The print bed is limited to 1.2m x 1.2m. (related to #2877)

---
 src/slic3r/GUI/BedShapeDialog.cpp |  4 ++++
 src/slic3r/GUI/Field.cpp          | 31 ++++++++++++++++++++++++++++---
 src/slic3r/GUI/Field.hpp          |  1 +
 3 files changed, 33 insertions(+), 3 deletions(-)

diff --git a/src/slic3r/GUI/BedShapeDialog.cpp b/src/slic3r/GUI/BedShapeDialog.cpp
index 58c76fe26b0..4357a371a49 100644
--- a/src/slic3r/GUI/BedShapeDialog.cpp
+++ b/src/slic3r/GUI/BedShapeDialog.cpp
@@ -74,6 +74,8 @@ void BedShapePanel::build_panel(const ConfigOptionPoints& default_pt, const Conf
 	ConfigOptionDef def;
 	def.type = coPoints;
 	def.set_default_value(new ConfigOptionPoints{ Vec2d(200, 200) });
+    def.min = 0;
+    def.max = 1200;
 	def.label = L("Size");
 	def.tooltip = L("Size in X and Y of the rectangular plate.");
 	Option option(def, "rect_size");
@@ -81,6 +83,8 @@ void BedShapePanel::build_panel(const ConfigOptionPoints& default_pt, const Conf
 
 	def.type = coPoints;
 	def.set_default_value(new ConfigOptionPoints{ Vec2d(0, 0) });
+    def.min = -600;
+    def.max = 600;
 	def.label = L("Origin");
 	def.tooltip = L("Distance of the 0,0 G-code coordinate from the front left corner of the rectangle.");
 	option = Option(def, "rect_origin");
diff --git a/src/slic3r/GUI/Field.cpp b/src/slic3r/GUI/Field.cpp
index 6d900797467..a1a6583bcc3 100644
--- a/src/slic3r/GUI/Field.cpp
+++ b/src/slic3r/GUI/Field.cpp
@@ -1242,12 +1242,24 @@ void PointCtrl::msw_rescale(bool rescale_sidetext/* = false*/)
     y_textctrl->SetMinSize(field_size);
 }
 
+bool PointCtrl::value_was_changed(wxTextCtrl* win)
+{
+	if (m_value.empty())
+		return true;
+
+	boost::any val = m_value;
+	// update m_value!
+	get_value();
+
+	return boost::any_cast<Vec2d>(m_value) != boost::any_cast<Vec2d>(val);
+}
+
 void PointCtrl::propagate_value(wxTextCtrl* win)
 {
-    if (!win->GetValue().empty()) 
-        on_change_field();
-    else
+    if (win->GetValue().empty())
         on_kill_focus();
+	else if (value_was_changed(win))
+        on_change_field();
 }
 
 void PointCtrl::set_value(const Vec2d& value, bool change_event)
@@ -1281,6 +1293,19 @@ boost::any& PointCtrl::get_value()
 	double x, y;
 	x_textctrl->GetValue().ToDouble(&x);
 	y_textctrl->GetValue().ToDouble(&y);
+
+	if (m_opt.min > x || x > m_opt.max ||
+		m_opt.min > y || y > m_opt.max)
+	{		
+		if (m_opt.min > x) x = m_opt.min;
+		if (x > m_opt.max) x = m_opt.max;
+		if (m_opt.min > y) y = m_opt.min;
+		if (y > m_opt.max) y = m_opt.max;
+		set_value(Vec2d(x, y), true);
+
+		show_error(m_parent, _(L("Input value is out of range")));
+	}
+
 	return m_value = Vec2d(x, y);
 }
 
diff --git a/src/slic3r/GUI/Field.hpp b/src/slic3r/GUI/Field.hpp
index 1f8b642b104..5bdbfadc894 100644
--- a/src/slic3r/GUI/Field.hpp
+++ b/src/slic3r/GUI/Field.hpp
@@ -445,6 +445,7 @@ class PointCtrl : public Field {
 	wxTextCtrl*		y_textctrl{ nullptr };
 
 	void			BUILD()  override;
+	bool			value_was_changed(wxTextCtrl* win);
     // Propagate value from field to the OptionGroupe and Config after kill_focus/ENTER
     void            propagate_value(wxTextCtrl* win);
 	void			set_value(const Vec2d& value, bool change_event = false);