Added an error if the <systemList> tag is missing.

Made SystemView more themable (added a ThemeExtras component, made theming on pre-existing elements less restrictive).

THEMES.md

@@ -200,8 +200,8 @@ Reference
 	* image name="header" - POSITION | SIZE | PATH
 
 #### system
-	* image name="header" - PATH
+	* image name="header" - ALL
-	* image name="system" - PATH
+	* image name="system" - ALL
 
 #### menu
 	* ninepatch name="background" - PATH

src/SystemData.cpp

@@ -238,6 +238,12 @@ bool SystemData::loadConfig(const std::string& path, bool writeExample)
 	//actually read the file
 	pugi::xml_node systemList = doc.child("systemList");
 
+	if(!systemList)
+	{
+		LOG(LogError) << "es_systems.cfg is missing the <systemList> tag!";
+		return false;
+	}
+
 	for(pugi::xml_node system = systemList.child("system"); system; system = system.next_sibling("system"))
 	{
 		std::string name, fullname, path, cmd;

src/main.cpp

@@ -24,8 +24,6 @@ bool scrape_cmdline = false;
 
 bool parseArgs(int argc, char* argv[], unsigned int* width, unsigned int* height)
 {
-	if(argc > 1)
-	{
 	for(int i = 1; i < argc; i++)
 	{
 		if(strcmp(argv[i], "-w") == 0)
@@ -75,13 +73,12 @@ bool parseArgs(int argc, char* argv[], unsigned int* width, unsigned int* height
 			std::cout << "--debug				even more logging\n";
 			std::cout << "--dimtime [seconds]		time to wait before dimming the screen (default 30, use 0 for never)\n";
 			std::cout << "--scrape			scrape using command line interface\n";
-				std::cout << "--windowed			not fullscreen\n";
+			std::cout << "--windowed			not fullscreen, should be used in conjunction with -w and -h\n";
 			std::cout << "--help				summon a sentient, angry tuba\n\n";
 			std::cout << "More information available in README.md.\n";
 			return false; //exit after printing help
 		}
 	}
-	}
 
 	return true;
 }

src/views/SystemView.cpp

@@ -10,7 +10,8 @@ SystemView::SystemView(Window* window, SystemData* system) : GuiComponent(window
 
 	mHeaderImage(window),
 	mHeaderText(window),
-	mImage(window)
+	mImage(window),
+	mExtras(window)
 {
 	setSize((float)Renderer::getScreenWidth(), (float)Renderer::getScreenHeight());
 
@@ -26,6 +27,7 @@ SystemView::SystemView(Window* window, SystemData* system) : GuiComponent(window
 	mImage.setPosition(mSize.x() / 2, mSize.y() * 0.6f);
 	mImage.setResize(0, mSize.y() * 0.8f, false);
 
+	addChild(&mExtras);
 	addChild(&mImage);
 	addChild(&mHeaderText);
 	addChild(&mHeaderImage);
@@ -37,8 +39,10 @@ void SystemView::updateData()
 {
 	using namespace ThemeFlags;
 
+	mExtras.setExtras(ThemeData::makeExtras(mSystem->getTheme(), "system", mWindow));
+
 	mHeaderImage.setImage("");
-	mHeaderImage.applyTheme(mSystem->getTheme(), "system", "header", PATH);
+	mHeaderImage.applyTheme(mSystem->getTheme(), "system", "header", ALL);
 
 	// header
 	if(mHeaderImage.hasImage())
@@ -51,7 +55,7 @@ void SystemView::updateData()
 		mHeaderText.setText(mSystem->getFullName());
 	}
 
-	mImage.applyTheme(mSystem->getTheme(), "system", "system", PATH);
+	mImage.applyTheme(mSystem->getTheme(), "system", "system", ALL);
 }
 
 bool SystemView::input(InputConfig* config, Input input)

src/views/SystemView.h

@@ -22,4 +22,5 @@ private:
 	TextComponent mHeaderText;
 	ImageComponent mHeaderImage;
 	ImageComponent mImage;
+	ThemeExtras mExtras;
 };