From c8c5fd83d985fc0a9eb332e5e37e080222e169fe Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Sun, 27 Nov 2022 16:29:34 +0200
Subject: [PATCH] Add an example program for listing video modes

---
 .gitignore           |  1 +
 Build                |  6 +++++
 examples/lsmodes.cpp | 53 ++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 60 insertions(+)
 create mode 100644 examples/lsmodes.cpp

diff --git a/.gitignore b/.gitignore
index da9894e..07cc29f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@ temp
 /libmspgui.so
 /libmspgui.dylib
 /mspgui.pc
+/lsmodes
diff --git a/Build b/Build
index 690ff5a..0492505 100644
--- a/Build
+++ b/Build
@@ -189,6 +189,12 @@ package "mspgui"
 		use "mspgui";
 	};
 
+	program "lsmodes"
+	{
+		source "examples/lsmodes.cpp";
+		use "mspgui";
+	};
+
 	source_tarball
 	{
 		source "License.txt";
diff --git a/examples/lsmodes.cpp b/examples/lsmodes.cpp
new file mode 100644
index 0000000..39581d5
--- /dev/null
+++ b/examples/lsmodes.cpp
@@ -0,0 +1,53 @@
+#include <msp/core/application.h>
+#include <msp/graphics/display.h>
+#include <msp/io/print.h>
+
+using namespace std;
+using namespace Msp;
+
+class LsModes: public RegisteredApplication<LsModes>
+{
+private:
+	Graphics::Display display;
+
+public:
+	LsModes(int, char **);
+
+	virtual int main();
+};
+
+LsModes::LsModes(int, char **)
+{
+}
+
+int LsModes::main()
+{
+	const vector<Graphics::Monitor> &monitors = display.get_monitors();
+	const Graphics::VideoMode &desktop_mode = display.get_desktop_mode();
+	unsigned n = 0;
+	for(auto i=monitors.begin(); i!=monitors.end(); ++i, ++n)
+	{
+		IO::print("Monitor #%d", n);
+		if(&*i==desktop_mode.monitor)
+			IO::print(" (primary)");
+		IO::print(": %s\n", i->name);
+
+		const Graphics::VideoMode *prev_mode = 0;
+		for(const Graphics::VideoMode *m: i->video_modes)
+		{
+			if(!prev_mode || m->width!=prev_mode->width || m->height!=prev_mode->height)
+			{
+				if(prev_mode)
+					IO::print("\n");
+				IO::print("  %dx%d", m->width, m->height);
+			}
+			IO::print(" %c%d", (m==i->desktop_settings.mode ? '*' : ' '), m->rate);
+			prev_mode = m;
+		}
+
+		if(!i->video_modes.empty())
+			IO::print("\n\n");
+	}
+
+	return 0;
+}
-- 
2.45.2