X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=loa.c;h=5716a3627ef1e90e8f91822afd65c60c4c5f6e32;hb=9ec0c1c2741a39d38692ffeb0dfcbc88e874dbdf;hp=48b5b045c3fdf76e4418a03e773eb4157581fd3e;hpb=4ce79f50d09eb624783e864194669eb0862d6f7c;p=loa

diff --git a/loa.c b/loa.c
index 48b5b04..5716a36 100644
--- a/loa.c
+++ b/loa.c
@@ -20,6 +20,8 @@
 #include <gtk/gtk.h>
 #include <math.h>
 
+#include "loa-board.h"
+
 #define BOARD_SIZE 8
 
 typedef struct {
@@ -30,6 +32,14 @@ typedef struct {
     int cell_size;
 } layout_t;
 
+typedef struct {
+    layout_t layout;
+    loa_board_t board;
+    loa_bool_t has_selected;
+    int selected_x;
+    int selected_y;
+} loa_game_t;
+
 static gboolean
 on_delete_event_quit (GtkWidget  *widget,
 		      GdkEvent   *event,
@@ -42,13 +52,69 @@ on_delete_event_quit (GtkWidget  *widget,
     return FALSE;
 }
 
+/* Something like buff */
+#define LIGHT_SQUARE_COLOR 0.89, 0.70, 0.40
+/* Something like mahogany */
+#define DARK_SQUARE_COLOR  0.26, 0.02, 0.01
+
+static gboolean
+on_button_press_event (GtkWidget	*widget,
+		       GdkEventButton	*event,
+		       gpointer		 user_data)
+{
+    loa_game_t *game = user_data;
+    layout_t *layout = &game->layout;
+    int x, y;
+    char *error;
+
+    x = (event->x - layout->x_offset) / layout->cell_size;
+    y = (event->y - layout->y_offset) / layout->cell_size;
+
+    if (! game->has_selected) {
+	if (game->board.cells[x][y] == game->board.player) {
+	    game->has_selected = TRUE;
+	    game->selected_x = x;
+	    game->selected_y = y;
+	    gtk_widget_queue_draw (widget);
+	}
+	return TRUE;
+    }
+
+    if (x == game->selected_x &&
+	y == game->selected_y)
+    {
+	game->has_selected = FALSE;
+	gtk_widget_queue_draw (widget);
+	return TRUE;
+    }
+	
+    if (loa_board_move (&game->board,
+			game->selected_x, game->selected_y,
+			x, y, &error))
+    {
+	game->has_selected = FALSE;
+	gtk_widget_queue_draw (widget);
+	return TRUE;
+    } else {
+	printf ("Illegal move %c%d%c%d: %s\n",
+		'a' + game->selected_x,
+		LOA_BOARD_SIZE - game->selected_y,
+		'a' + x,
+		LOA_BOARD_SIZE - y,
+		error);
+    }
+
+    return TRUE;
+}
+
 static gboolean
 on_expose_event_draw (GtkWidget		*widget,
 		      GdkEventExpose	*event,
 		      gpointer		 user_data)
 {
+    loa_game_t *game = user_data;
+    layout_t *layout = &game->layout;
     cairo_t *cr;
-    layout_t *layout = user_data;
     int x, y;
 
     if (layout->width != widget->allocation.width ||
@@ -74,14 +140,45 @@ on_expose_event_draw (GtkWidget		*widget,
 
     for (y = 0; y < BOARD_SIZE; y++) {
 	for (x = 0; x < BOARD_SIZE; x++) {
+	    loa_cell_t cell;
+	    cairo_save (cr);
+	    cairo_translate(cr, x * layout->cell_size, y * layout->cell_size);
 	    if ((x + y) % 2 == 0)
-		cairo_set_source_rgb (cr, 0.89, 0.70, 0.40);
+		cairo_set_source_rgb (cr, LIGHT_SQUARE_COLOR);
 	    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_set_source_rgb (cr, DARK_SQUARE_COLOR);
+	    cairo_rectangle (cr, 0, 0, layout->cell_size, layout->cell_size);
 	    cairo_fill (cr);
+	    cell = game->board.cells[x][y];
+	    if (cell != LOA_CELL_EMPTY) {
+		cairo_arc (cr,
+			   layout->cell_size / 2.0, layout->cell_size / 2.0,
+			   layout->cell_size / 2.5,
+			   0, 2 * M_PI);
+		if (cell == LOA_CELL_BLACK)
+		    cairo_set_source_rgb (cr, 0, 0, 0); /* black */
+		else
+		    cairo_set_source_rgb (cr, 1, 1, 1); /* white */
+		cairo_fill_preserve (cr);
+		cairo_set_line_width (cr, 2.0);
+		if (cell == LOA_CELL_BLACK)
+		    cairo_set_source_rgb (cr, LIGHT_SQUARE_COLOR);
+		else
+		    cairo_set_source_rgb (cr, DARK_SQUARE_COLOR);
+		cairo_stroke (cr);
+	    }
+	    if (game->has_selected &&
+		x == game->selected_x &&
+		y == game->selected_y)
+	    {
+		cairo_arc (cr,
+			   layout->cell_size / 2.0, layout->cell_size / 2.0,
+			   layout->cell_size / 2.5,
+			   0, 2 * M_PI);
+		cairo_set_source_rgba (cr, 0.2, 0.2, 1.0, 0.4);
+		cairo_fill (cr);
+	    }
+	    cairo_restore (cr);
 	}
     }
 
@@ -90,21 +187,31 @@ on_expose_event_draw (GtkWidget		*widget,
     return TRUE;
 }
 
+static void
+loa_game_init (loa_game_t *game)
+{
+    game->layout.width = 0;
+    game->layout.height = 0;
+
+    game->has_selected = FALSE;
+
+    loa_board_init (&game->board);
+}
+
 int
 main (int argc, char *argv[])
 {
     GtkWidget *window;
     GtkWidget *drawing_area;
-    layout_t layout;
+    loa_game_t game;
 
-    layout.width = 0;
-    layout.height = 0;
+    loa_game_init (&game);
 
     gtk_init (&argc, &argv);
 
     window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
 
-    gtk_window_set_default_size (GTK_WINDOW (window), 100, 100);
+    gtk_window_set_default_size (GTK_WINDOW (window), 256, 256);
 
     g_signal_connect (window, "delete-event",
 		      G_CALLBACK (on_delete_event_quit), NULL);
@@ -114,7 +221,11 @@ main (int argc, char *argv[])
     gtk_container_add (GTK_CONTAINER (window), drawing_area);
 
     g_signal_connect (drawing_area, "expose-event",  
-		      G_CALLBACK (on_expose_event_draw), &layout);
+		      G_CALLBACK (on_expose_event_draw), &game);
+
+    gtk_widget_add_events (drawing_area, GDK_BUTTON_PRESS_MASK);
+    g_signal_connect (drawing_area, "button-press-event",
+		      G_CALLBACK (on_button_press_event), &game);
 
     gtk_widget_show_all (window);