From 3e8e5fa925814c847f6778b5ff1fc9606a99ade0 Mon Sep 17 00:00:00 2001
From: clifford <clifford@b57f626f-c46c-0410-a088-ec61d464b74c>
Date: Sun, 9 May 2010 13:27:05 +0000
Subject: Clifford Wolf: 	Added "Design -> Automatic Reload and Compile"
 	(for use with external editor)

git-svn-id: http://svn.clifford.at/openscad/trunk@540 b57f626f-c46c-0410-a088-ec61d464b74c

diff --git a/src/MainWindow.h b/src/MainWindow.h
index 9eb1748..6b15889 100644
--- a/src/MainWindow.h
+++ b/src/MainWindow.h
@@ -24,6 +24,9 @@ public:
 	QTimer *animate_timer;
 	double tval, fps, fsteps;
 
+	QTimer *autoReloadTimer;
+	QString autoReloadInfo;
+
 	Context root_ctx;
 	AbstractModule *root_module;      // Result of parsing
 	ModuleInstantiation root_inst;    // Top level instance
@@ -145,6 +148,8 @@ public slots:
 	void helpManual();
 	void quit();
 	void actionReloadCompile();
+	void checkAutoReload();
+	void autoReloadSet(bool);
 };
 
 #endif
diff --git a/src/MainWindow.ui b/src/MainWindow.ui
index 03f8e2d..f61d240 100644
--- a/src/MainWindow.ui
+++ b/src/MainWindow.ui
@@ -23,7 +23,7 @@
       <property name="orientation">
        <enum>Qt::Horizontal</enum>
       </property>
-      <widget class="Editor" name="editor">
+      <widget class="Editor" name="editor" native="true">
        <property name="font">
         <font>
          <family>Monaco</family>
@@ -168,6 +168,7 @@
     <property name="title">
      <string>&amp;Design</string>
     </property>
+    <addaction name="designActionAutoReload"/>
     <addaction name="designActionReloadAndCompile"/>
     <addaction name="designActionCompile"/>
     <addaction name="designActionCompileAndRender"/>
@@ -642,6 +643,14 @@
     <string>OpenSCAD Homepage</string>
    </property>
   </action>
+  <action name="designActionAutoReload">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Automatic Reload and Compile</string>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>
@@ -650,6 +659,11 @@
    <header>GLView.h</header>
    <container>1</container>
   </customwidget>
+  <customwidget>
+   <class>Editor</class>
+   <extends>QWidget</extends>
+   <header>editor.h</header>
+  </customwidget>
  </customwidgets>
  <resources>
   <include location="../openscad.qrc"/>
diff --git a/src/mainwin.cc b/src/mainwin.cc
index 72b3d7a..cdd7c6f 100644
--- a/src/mainwin.cc
+++ b/src/mainwin.cc
@@ -71,9 +71,14 @@
 #include "qformatscheme.h"
 #include "qlanguagefactory.h"
 #endif
+
 //for chdir
 #include <unistd.h>
 
+// for stat()
+#include <sys/types.h>
+#include <sys/stat.h>
+
 #ifdef ENABLE_CGAL
 
 #if 1
@@ -178,6 +183,10 @@ MainWindow::MainWindow(const QString &filename)
 	animate_timer = new QTimer(this);
 	connect(animate_timer, SIGNAL(timeout()), this, SLOT(updateTVal()));
 
+	autoReloadTimer = new QTimer(this);
+	autoReloadTimer->setSingleShot(false);
+	connect(autoReloadTimer, SIGNAL(timeout()), this, SLOT(checkAutoReload()));
+
 	connect(e_tval, SIGNAL(textChanged(QString)), this, SLOT(actionCompile()));
 	connect(e_fps, SIGNAL(textChanged(QString)), this, SLOT(updatedFps()));
 
@@ -242,6 +251,7 @@ MainWindow::MainWindow(const QString &filename)
 	connect(this->editActionPreferences, SIGNAL(triggered()), this, SLOT(preferences()));
 
 	// Design menu
+	connect(this->designActionAutoReload, SIGNAL(toggled(bool)), this, SLOT(autoReloadSet(bool)));
 	connect(this->designActionReloadAndCompile, SIGNAL(triggered()), this, SLOT(actionReloadCompile()));
 	connect(this->designActionCompile, SIGNAL(triggered()), this, SLOT(actionCompile()));
 #ifdef ENABLE_CGAL
@@ -959,6 +969,28 @@ void MainWindow::pasteViewportRotation()
 	cursor.insertText(txt);
 }
 
+void MainWindow::checkAutoReload()
+{
+	QString new_stinfo;
+	struct stat st;
+	memset(&st, 0, sizeof(struct stat));
+	stat(this->fileName.toAscii().data(), &st);
+	new_stinfo.sprintf("%x.%x", (int)st.st_mtime, (int)st.st_size);
+	if (new_stinfo != autoReloadInfo)
+		actionReloadCompile();
+	autoReloadInfo = new_stinfo;
+}
+
+void MainWindow::autoReloadSet(bool on)
+{
+	if (on) {
+		autoReloadInfo = QString();
+		autoReloadTimer->start(200);
+	} else {
+		autoReloadTimer->stop();
+	}
+}
+
 void MainWindow::actionReloadCompile()
 {
 	if (editor->isContentModified()) {
@@ -968,6 +1000,7 @@ void MainWindow::actionReloadCompile()
 				"Do you really want to reload the file?",
 				QMessageBox::Yes | QMessageBox::No);
 		if (ret != QMessageBox::Yes) {
+			designActionAutoReload->setChecked(false);
 			return;
 		}
 	}
-- 
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