Add very basic KeyDown events to the GUI event stream.

The Terminal program now hosts an interactive shell. :^)

2 files changed, 19 insertions, 3 deletions

diff --git a/Kernel/GUITypes.h b/Kernel/GUITypes.h
index 490f2499f8..088b94b734 100644
--- a/Kernel/GUITypes.h
+++ b/Kernel/GUITypes.h
@@ -42,11 +42,18 @@ struct GUI_WindowBackingStoreInfo {
 
 enum class GUI_MouseButton : unsigned char {
     NoButton = 0,
-    Left = 1,
-    Right = 2,
-    Middle = 4,
+    Left     = 1,
+    Right    = 2,
+    Middle   = 4,
 };
 
+struct GUI_KeyModifiers { enum {
+    Shift = 1 << 0,
+    Alt   = 1 << 1,
+    Ctrl  = 1 << 2,
+}; };
+
+
 struct GUI_Event {
     enum Type : unsigned {
         Invalid,
@@ -54,6 +61,8 @@ struct GUI_Event {
         MouseMove,
         MouseDown,
         MouseUp,
+        KeyDown,
+        KeyUp,
     };
     Type type { Invalid };
     int window_id { -1 };
@@ -66,6 +75,10 @@ struct GUI_Event {
             GUI_Point position;
             GUI_MouseButton button;
         } mouse;
+        struct {
+            char character;
+            unsigned modifiers;
+        } key;
     };
 };
 
diff --git a/Kernel/Process.cpp b/Kernel/Process.cpp
index 9869f1421d..e6accc4761 100644
--- a/Kernel/Process.cpp
+++ b/Kernel/Process.cpp
@@ -1173,6 +1173,7 @@ int Process::sys$fcntl(int fd, int cmd, dword arg)
     case F_GETFL:
         return descriptor->file_flags();
     case F_SETFL:
+        // FIXME: Support changing O_NONBLOCK
         descriptor->set_file_flags(arg);
         break;
     default:
@@ -1294,6 +1295,8 @@ int Process::sys$open(const char* path, int options)
         return error;
     if (options & O_DIRECTORY && !descriptor->is_directory())
         return -ENOTDIR; // FIXME: This should be handled by VFS::open.
+    if (options & O_NONBLOCK)
+        descriptor->set_blocking(false);
 
     int fd = 0;
     for (; fd < (int)m_max_open_file_descriptors; ++fd) {