ui: usability fixes

* reduced mouse drag sensibility when clicking on graph nodes
* also edit search element when cursor in front and pressing DELETE
* scroll to up to minimized snippet after minimizing when scrolled down far

src/lib_gui/qt/element/code/QtCodeFileList.cpp

@@ -295,7 +295,13 @@ void QtCodeFileList::setFileMinimized(const FilePath path)
 	}
 	else
 	{
-		getFile(path)->setMinimized();
+		QtCodeFile* file = getFile(path);
+		file->setMinimized();
+
+		if (m_firstSnippetTitleBar->isVisible())
+		{
+			ensureWidgetVisibleAnimated(m_filesArea, file->getTitleBar(), QRect(), false, SCROLL_TOP);
+		}
 	}
 }
 

src/lib_gui/qt/element/search/QtSmartSearchBox.cpp

@@ -301,11 +301,11 @@ void QtSmartSearchBox::keyPressEvent(QKeyEvent* event)
 		}
 		else if (!hasSelectedText() && cursorPosition() == text().size() && m_cursorIndex < m_elements.size())
 		{
-			m_elements[m_cursorIndex]->setChecked(true);
-			deleteSelectedElements();
+			editElement(m_elements[m_cursorIndex]);
+			setCursorPosition(0);
 			return;
 		}
-		else
+		else if (event->matches(QKeySequence::DeleteStartOfWord))
 		{
 			std::string str = text().toStdString();
 			std::smatch match;

src/lib_gui/qt/graphics/component/QtGraphNodeComponentClickable.cpp

@@ -35,7 +35,7 @@ void QtGraphNodeComponentClickable::nodeMouseMoveEvent(QGraphicsSceneMouseEvent*
 {
 	Vec2i mousePos = Vec2i(event->scenePos().x(), event->scenePos().y());
 
-	if ((mousePos - m_mousePos).getLength() > 1.0f)
+	if ((mousePos - m_mousePos).getLength() > 3.0f)
 	{
 		m_mouseMoved = true;
 	}

src/lib_java/utility/utilityGradle.cpp

@@ -2,31 +2,15 @@
 
 #include <set>
 
+#include "Application.h"
+#include "ApplicationSettings.h"
 #include "JavaEnvironment.h"
 #include "JavaEnvironmentFactory.h"
-#include "ApplicationSettings.h"
 #include "logging.h"
 #include "MessageStatus.h"
 #include "ResourcePaths.h"
 #include "utilityJava.h"
 #include "utilityString.h"
-#include "Application.h"
-
-namespace
-{
-	void setJavaHomeVariableIfNotExists()
-	{
-		if (getenv("JAVA_HOME") == nullptr)
-		{
-			const FilePath javaPath = ApplicationSettings::getInstance()->getJavaPath();
-			const FilePath javaHomePath = javaPath.getParentDirectory().getParentDirectory().getParentDirectory();
-
-			LOG_WARNING("Environment variable \"JAVA_HOME\" not found on system. Setting value to \"" + javaHomePath.str() + "\" for this process.");
-
-			putenv(const_cast<char*>(("JAVA_HOME=" + javaHomePath.str()).c_str()));
-		}
-	}
-}
 
 namespace utility
 {
@@ -34,7 +18,7 @@ namespace utility
 	{
 		const FilePath gradleInitScriptPath = ResourcePaths::getJavaPath().concatenate(L"gradle/init.gradle");
 
-		setJavaHomeVariableIfNotExists();
+		utility::setJavaHomeVariableIfNotExists();
 		utility::prepareJavaEnvironment();
 
 		std::shared_ptr<JavaEnvironment> javaEnvironment = JavaEnvironmentFactory::getInstance()->createEnvironment();
@@ -64,7 +48,7 @@ namespace utility
 	{
 		const FilePath gradleInitScriptPath = ResourcePaths::getJavaPath().concatenate(L"gradle/init.gradle");
 
-		setJavaHomeVariableIfNotExists();
+		utility::setJavaHomeVariableIfNotExists();
 		utility::prepareJavaEnvironment();
 
 		std::set<std::wstring> uncheckedDirectories;

src/lib_java/utility/utilityJava.cpp

@@ -182,4 +182,17 @@ namespace utility
 
 		return classPath;
 	}
+
+	void setJavaHomeVariableIfNotExists()
+	{
+		if (getenv("JAVA_HOME") == nullptr)
+		{
+			const FilePath javaPath = ApplicationSettings::getInstance()->getJavaPath();
+			const FilePath javaHomePath = javaPath.getParentDirectory().getParentDirectory().getParentDirectory();
+
+			LOG_WARNING("Environment variable \"JAVA_HOME\" not found on system. Setting value to \"" + javaHomePath.str() + "\" for this process.");
+
+			putenv(const_cast<char*>(("JAVA_HOME=" + javaHomePath.str()).c_str()));
+		}
+	}
 }

src/lib_java/utility/utilityJava.h

@@ -18,6 +18,7 @@ namespace utility
 		const std::vector<FilePath>& classpathItems,
 		bool useJreSystemLibrary,
 		const std::set<FilePath>& sourceFilePaths);
+	void setJavaHomeVariableIfNotExists();
 }
 
 #endif // UTILITY_JAVA_H

src/lib_java/utility/utilityMaven.cpp

@@ -2,15 +2,16 @@
 
 #include <cstdlib>
 
+#include "Application.h"
 #include "ApplicationSettings.h"
 #include "FilePath.h"
 #include "MessageStatus.h"
 #include "TextAccess.h"
+#include "utility.h"
 #include "utilityApp.h"
+#include "utilityJava.h"
 #include "utilityString.h"
 #include "utilityXml.h"
-#include "utility.h"
-#include "Application.h"
 
 namespace
 {
@@ -49,19 +50,6 @@ namespace
 		}
 	}
 
-	void setJavaHomeVariableIfNotExists()
-	{
-		if (getenv("JAVA_HOME") == nullptr)
-		{
-			const FilePath javaPath = ApplicationSettings::getInstance()->getJavaPath();
-			const FilePath javaHomePath = javaPath.getParentDirectory().getParentDirectory().getParentDirectory();
-
-			LOG_WARNING("Environment variable \"JAVA_HOME\" not found on system. Setting value to \"" + javaHomePath.str() + "\" for this process.");
-
-			putenv(const_cast<char*>(("JAVA_HOME=" + javaHomePath.str()).c_str()));
-		}
-	}
-
 	std::wstring getErrorMessageFromMavenOutput(std::shared_ptr<const TextAccess> mavenOutput)
 	{
 		const std::string errorPrefix = "[ERROR]";
@@ -96,7 +84,7 @@ namespace utility
 {
 	std::wstring mavenGenerateSources(const FilePath& mavenPath, const FilePath& projectDirectoryPath)
 	{
-		setJavaHomeVariableIfNotExists();
+		utility::setJavaHomeVariableIfNotExists();
 
 		std::shared_ptr<TextAccess> outputAccess = TextAccess::createFromString(utility::executeProcessUntilNoOutput(
 			"\"" + mavenPath.str() + "\" generate-sources",
@@ -115,7 +103,7 @@ namespace utility
 
 	bool mavenCopyDependencies(const FilePath& mavenPath, const FilePath& projectDirectoryPath, const FilePath& outputDirectoryPath)
 	{
-		setJavaHomeVariableIfNotExists();
+		utility::setJavaHomeVariableIfNotExists();
 
 		std::shared_ptr<TextAccess> outputAccess = TextAccess::createFromString(utility::executeProcessUntilNoOutput(
 			"\"" + mavenPath.str() + "\" dependency:copy-dependencies -DoutputDirectory=" + outputDirectoryPath.str(),
@@ -137,7 +125,7 @@ namespace utility
 	std::vector<FilePath> mavenGetAllDirectoriesFromEffectivePom(
 		const FilePath& mavenPath, const FilePath& projectDirectoryPath, bool addTestDirectories)
 	{
-		setJavaHomeVariableIfNotExists();
+		utility::setJavaHomeVariableIfNotExists();
 
 		std::shared_ptr<TextAccess> outputAccess = TextAccess::createFromString(utility::executeProcessUntilNoOutput(
 			"\"" + mavenPath.str() + "\" help:effective-pom",