Initial Lines of Action program, (just draws the board for now)

diff --git a/.gitignore b/.gitignore
new file mode 100644 (file)
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 (file)
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 (file)
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;
+}