From 4ce79f50d09eb624783e864194669eb0862d6f7c Mon Sep 17 00:00:00 2001
From: Carl Worth <cworth@cworth.org>
Date: Sat, 23 Feb 2008 14:33:36 -0800
Subject: [PATCH] Initial Lines of Action program, (just draws the board for
 now)

---
 .gitignore |   4 ++
 Makefile   |  19 ++++++++
 loa.c      | 124 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 147 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Makefile
 create mode 100644 loa.c

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..bbfa809
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+*~
+*.o
+loa
+Makefile.dep
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..06aeffe
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,19 @@
+ALL=loa
+MYCFLAGS=-Wall `pkg-config --cflags loudmouth-1.0 gtk+-2.0`
+MYLDFLAGS=`pkg-config --libs loudmouth-1.0 gtk+-2.0`
+
+all: $(ALL)
+
+%.o: %.c
+	$(CC) $(CFLAGS) $(MYCFLAGS) -c -o $@ -c $<
+
+%: %.o
+	$(CC) $(LDLAGS) $(MYLDFLAGS) -o $@ $^
+
+Makefile.dep: *.c
+	$(CC) -M $(CPPFLAGS) $(MYCFLAGS) $^ > $@
+-include Makefile.dep
+
+.PHONY: clean
+clean:
+	rm -f $(ALL) *.o Makefile.dep
diff --git a/loa.c b/loa.c
new file mode 100644
index 0000000..48b5b04
--- /dev/null
+++ b/loa.c
@@ -0,0 +1,124 @@
+/*
+ * Copyright (C) 2008 Carl Worth
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see http://www.gnu.org/licenses/ .
+ *
+ * Author: Carl Worth <cworth@cworth.org>
+ */
+
+#include <gtk/gtk.h>
+#include <math.h>
+
+#define BOARD_SIZE 8
+
+typedef struct {
+    int x_offset;
+    int y_offset;
+    int width;
+    int height;
+    int cell_size;
+} layout_t;
+
+static gboolean
+on_delete_event_quit (GtkWidget  *widget,
+		      GdkEvent   *event,
+		      gpointer    user_data)
+{
+    gtk_main_quit ();
+
+    /* Returning FALSE allows the default handler for delete-event
+     * to proceed to cleanup the widget. */
+    return FALSE;
+}
+
+static gboolean
+on_expose_event_draw (GtkWidget		*widget,
+		      GdkEventExpose	*event,
+		      gpointer		 user_data)
+{
+    cairo_t *cr;
+    layout_t *layout = user_data;
+    int x, y;
+
+    if (layout->width != widget->allocation.width ||
+	layout->height != widget->allocation.height)
+    {
+	int size;
+
+	layout->width = widget->allocation.width;
+	layout->height = widget->allocation.height;
+
+	size = MIN (layout->width, layout->height);
+	/* Size must be a multiple of the integer cell_size */
+	layout->cell_size = size / BOARD_SIZE;
+	size = layout->cell_size * BOARD_SIZE;
+
+	layout->x_offset = (layout->width - size) / 2;
+	layout->y_offset = (layout->height - size) / 2;
+    }
+
+    cr = gdk_cairo_create (widget->window);
+
+    cairo_translate (cr, layout->x_offset, layout->y_offset);
+
+    for (y = 0; y < BOARD_SIZE; y++) {
+	for (x = 0; x < BOARD_SIZE; x++) {
+	    if ((x + y) % 2 == 0)
+		cairo_set_source_rgb (cr, 0.89, 0.70, 0.40);
+	    else
+		cairo_set_source_rgb (cr, 0.26, 0.02, 0.01);
+	    cairo_rectangle (cr,
+			     x * layout->cell_size, y * layout->cell_size,
+			     layout->cell_size, layout->cell_size);
+	    cairo_fill (cr);
+	}
+    }
+
+    cairo_destroy (cr);
+
+    return TRUE;
+}
+
+int
+main (int argc, char *argv[])
+{
+    GtkWidget *window;
+    GtkWidget *drawing_area;
+    layout_t layout;
+
+    layout.width = 0;
+    layout.height = 0;
+
+    gtk_init (&argc, &argv);
+
+    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+
+    gtk_window_set_default_size (GTK_WINDOW (window), 100, 100);
+
+    g_signal_connect (window, "delete-event",
+		      G_CALLBACK (on_delete_event_quit), NULL);
+
+    drawing_area = gtk_drawing_area_new ();
+
+    gtk_container_add (GTK_CONTAINER (window), drawing_area);
+
+    g_signal_connect (drawing_area, "expose-event",  
+		      G_CALLBACK (on_expose_event_draw), &layout);
+
+    gtk_widget_show_all (window);
+    
+    gtk_main ();
+
+    return 0;
+}
-- 
2.43.0