From 470457e22a1b5537013603d5e367c51e47bb61bf Mon Sep 17 00:00:00 2001
From: James <git@panaceas.org>
Date: Mon, 5 May 2014 17:50:20 +0100
Subject: fish

---
 dispatch.c | 233 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 233 insertions(+)
 create mode 100644 dispatch.c

(limited to 'dispatch.c')

diff --git a/dispatch.c b/dispatch.c
new file mode 100644
index 0000000..ec8da7b
--- /dev/null
+++ b/dispatch.c
@@ -0,0 +1,233 @@
+#include "project.h"
+
+#define N_SCREENS 4
+#define GRACE 10
+
+#define W 2048
+#define H 2048
+
+static int current_computer = 0;
+static int keys_down;
+static int current_x, current_y;
+static int mouse_button[0x10];
+
+
+void
+dispatch_key (int key, int ud)
+{
+  static int keys[KEY_MAX];
+
+// ignore autorepeat
+  if (ud == 2)
+    return;
+
+  if (keys[key] != ud)
+    {
+      keys[key] = ud;
+      if (ud)
+        keys_down++;
+      else
+        keys_down--;
+    }
+
+  if (ud && keys[KEY_RIGHTALT] && (key == KEY_RIGHTMETA))
+    {
+      lcd_off();
+      output_reset ();
+      status_reset ();
+    }
+
+  if (ud && keys[KEY_LEFTALT] && (key == KEY_LEFTMETA))
+    layout_toggle_lock (current_computer);
+
+  send_keyboard_event (current_computer, key, ud);
+}
+
+void
+dispatch_mouse_button (int button, int ud)
+{
+
+  if (mouse_button[button] != ud)
+    {
+      mouse_button[button] = ud;
+      if (ud)
+        keys_down++;
+      else
+        keys_down--;
+    }
+
+  send_mouse_event (current_computer, current_x, current_y, 0,
+                    mouse_button[0], mouse_button[2], mouse_button[1]);
+}
+
+
+void
+dispatch_mouse_wheel (int d)
+{
+  send_mouse_event (current_computer, current_x, current_y, d,
+                    mouse_button[0], mouse_button[2], mouse_button[1]);
+}
+
+static int
+accell (int a)
+{
+
+  int m = a / 10;
+
+  if (m < 0)
+    m = -m;
+  if (m == 0)
+    m = 1;
+  if (m > 4)
+    m = 4;
+
+  return m * a;
+}
+
+
+void
+dispatch_mouse_motion (int rx, int ry)
+{
+
+  ry += ry;
+
+  rx = accell (rx);
+  ry = accell (ry);
+
+  current_x += rx;
+  current_y += ry;
+
+  if (current_y < 0)
+    current_y = 0;
+  if (current_y >= H)
+    current_y = H - 1;
+
+  if (current_x < 0)
+    {
+      if (map_grace_left (current_computer))
+        {
+          if (keys_down)
+            {
+              current_x = 0;
+            }
+          else if (current_x < -GRACE)
+            {
+              if (map_switch_left (&current_computer))
+                {
+                  current_x = W - 1;
+                }
+              else
+                {
+                  current_x = -GRACE;
+                }
+            }
+        }
+      else
+        {
+          if (map_switch_left (&current_computer))
+            {
+              current_x = W - 1;
+            }
+          else
+            {
+              current_x = 0;
+            }
+        }
+    }
+
+  if (current_x >= W)
+    {
+      if (map_grace_right (current_computer))
+        {
+          if (keys_down)
+            {
+              current_x = W - 1;
+            }
+          else if (current_x > (W + GRACE))
+            {
+              if (map_switch_right (&current_computer))
+                {
+                  current_x = 0;
+                }
+              else
+                {
+                  current_x = W + GRACE;
+                }
+            }
+        }
+      else
+        {
+          if (map_switch_right (&current_computer))
+            {
+              current_x = 0;
+            }
+          else
+            {
+              current_x = W - 1;
+            }
+        }
+    }
+
+  send_mouse_event (current_computer, current_x, current_y, 0,
+                    mouse_button[0], mouse_button[2], mouse_button[1]);
+}
+
+
+void
+dispatch_event (struct input_event *ev)
+{
+  static int rel_x, rel_y, rel_wheel;
+
+  if (ev->type == EV_REL)
+    {
+
+      if (ev->code == REL_X)
+        rel_x = ev->value;
+      if (ev->code == REL_Y)
+        rel_y = ev->value;
+      if (ev->code == REL_WHEEL)
+        rel_wheel = ev->value;
+    }
+  else if (ev->type == EV_KEY)
+    {
+      switch (ev->code)
+        {
+        case BTN_LEFT:
+        case BTN_RIGHT:
+        case BTN_MIDDLE:
+        case BTN_SIDE:
+        case BTN_EXTRA:
+        case BTN_FORWARD:
+        case BTN_BACK:
+        case BTN_TASK:
+          dispatch_mouse_button (ev->code - BTN_LEFT, ev->value);
+          break;
+        default:
+          dispatch_key (ev->code, ev->value);
+        }
+    }
+  else if (ev->type == EV_SYN)
+    {
+      if (rel_x || rel_y)
+        {
+          dispatch_mouse_motion (rel_x, rel_y);
+          rel_x = 0;
+          rel_y = 0;
+        }
+      if (rel_wheel)
+        {
+          dispatch_mouse_wheel (rel_wheel);
+          rel_wheel = 0;
+        }
+
+    }
+
+//print_event(ev);
+
+}
+
+void
+dispatch_init (void)
+{
+  current_computer = map_init ();
+}
-- 
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