fish

1 files changed, 156 insertions, 0 deletions

diff --git a/layout.c b/layout.c
new file mode 100644
index 0000000..32f1cdf
--- /dev/null
+++ b/layout.c
@@ -0,0 +1,156 @@
+#include "project.h"
+
+static int computer_to_console[N_COMPUTER + 1];
+static int console_to_computer[N_CONSOLE + 1];
+static int console_locked[N_CONSOLE + 1];
+
+static MM *mm;
+
+int
+layout_computer_to_console (int computer)
+{
+  if ((computer < 1) || (computer > N_COMPUTER))
+    return 0;
+  return computer_to_console[computer];
+
+}
+
+int
+layout_console_to_computer (int console)
+{
+  if ((console < 1) || (console > N_CONSOLE))
+    return 0;
+  return console_to_computer[console];
+}
+
+#ifdef LAYOUT_NULL
+int
+layout_possible (int console, int computer)
+{
+  if ((console < 1) || (console > N_CONSOLE))
+    return 0;
+  if ((computer < 1) || (computer > N_COMPUTER))
+    return 0;
+
+  if (console_locked[console])
+    return 0;
+
+return 1;
+}
+#elif defined(LAYOUT_HOME)
+int
+layout_possible (int console, int computer)
+{
+  if ((console < 1) || (console > N_CONSOLE))
+    return 0;
+  if ((computer < 1) || (computer > N_COMPUTER))
+    return 0;
+
+  if (console_locked[console])
+    return 0;
+
+  switch (computer)
+    {
+    case 1:
+    case 2:
+    case 3:
+      if (console != 1)
+        return 0;
+      return 1;
+    }
+
+  switch (console)
+    {
+    case 1:
+      if (computer > 3)
+        return 0;
+      return 1;
+    }
+
+
+  return 1;
+}
+#endif
+
+void
+layout_map (int console, int computer)
+{
+  int oc;
+
+  if ((console < 1) || (console > N_CONSOLE))
+    return;
+  if ((computer < 1) || (computer > N_COMPUTER))
+    return;
+
+  oc = console_to_computer[console];
+
+  if ((oc > 0) && (oc <= N_COMPUTER))
+    {
+      computer_to_console[oc] = 0;
+    }
+  computer_to_console[computer] = console;
+  console_to_computer[console] = computer;
+
+#ifdef LAYOUT_HOME
+  switch (console)
+    {
+    case 1:
+      VS_set (mm, 4 - computer);
+      break;
+    case 2:
+      MM_set (mm, computer - 3, -1);
+      break;
+    case 3:
+      MM_set (mm, -1, computer - 3);
+      break;
+    }
+#endif
+
+}
+
+void
+layout_status (int active_computer)
+{
+  int i;
+  for (i = 1; i <= N_COMPUTER; ++i)
+    {
+      int console = layout_computer_to_console (i);
+      status_draw_computer (i, console_locked[console], console,
+                            active_computer == i, 0);
+    }
+
+  for (i = 1; i <= N_CONSOLE; ++i)
+    {
+      int computer = layout_console_to_computer (i);
+      status_draw_console (i, console_locked[i], computer,
+                           active_computer == computer, 0);
+    }
+}
+
+
+void
+layout_toggle_lock (int computer)
+{
+  int console = layout_computer_to_console (computer);
+  if ((console < 1) || (console > N_CONSOLE))
+    return;
+
+  console_locked[console] = !console_locked[console];
+  layout_status (computer);
+}
+
+
+int
+layout_init (void)
+{
+  mm = MM_open ();
+
+  layout_map (1, 3);
+  layout_map (2, 4);
+  layout_map (3, 5);
+
+
+  layout_status (3);
+
+  return 3;
+}