implement application context

2 files changed, 37 insertions, 4 deletions

diff --git a/UefiMonitorTest/UefiMonitorTest.c b/UefiMonitorTest/UefiMonitorTest.c
index 09923a1..1ac26e2 100644
--- a/UefiMonitorTest/UefiMonitorTest.c
+++ b/UefiMonitorTest/UefiMonitorTest.c
@@ -7,6 +7,9 @@
 
 #include "UefiMonitorTest.h"
 
+STATIC CONST UMT_STATE_ACTIONS mStateActions[UMT_STATE_END] = {
+  { NULL, NULL, NULL, NULL, NULL }
+};
 
 STATIC
 EFI_GRAPHICS_OUTPUT_PROTOCOL *
@@ -53,15 +56,21 @@ Run (
   IN GRAPHICS_CONTEXT *Graphics
   )
 {
-  BOOLEAN Running;
+  UMT_CONTEXT Ctx;
 
-  Running = TRUE;
+  Ctx.State     = UMT_STATE_MAIN_MENU;
+  Ctx.Running   = TRUE;
+  Ctx.ShowTip   = FALSE;
+  Ctx.Actions   = &mStateActions[Ctx.State];
+  Ctx.Graphics  = Graphics;
+  Ctx.Actions->Init (&Ctx);
 
-  while (Running == TRUE)
+  while (Ctx.Running == TRUE)
   {
+    Ctx.Actions->Doit (&Ctx);
+
     // Buffer swap:
     CopyMem (Graphics->FrontBuffer, Graphics->BackBuffer, Graphics->BufferSize);
-    Running = FALSE;
   }
 
   return EFI_SUCCESS;
diff --git a/UefiMonitorTest/UefiMonitorTest.h b/UefiMonitorTest/UefiMonitorTest.h
index cda5f8a..6c7e0ed 100644
--- a/UefiMonitorTest/UefiMonitorTest.h
+++ b/UefiMonitorTest/UefiMonitorTest.h
@@ -4,4 +4,28 @@
 
 #include "Graphics.h"
 
+typedef struct _UMT_CONTEXT UMT_CONTEXT;
+
+typedef struct {
+  VOID (*Init)(UMT_CONTEXT *);
+  VOID (*Doit)(UMT_CONTEXT *);
+  VOID (*Tip)(UMT_CONTEXT *);
+
+  VOID (*KeyRight)(UMT_CONTEXT *);
+  VOID (*KeyLeft)(UMT_CONTEXT *);
+} UMT_STATE_ACTIONS;
+
+enum UMT_STATE {
+  UMT_STATE_MAIN_MENU = 0,
+  UMT_STATE_END
+};
+
+struct _UMT_CONTEXT {
+  enum UMT_STATE          State;
+  BOOLEAN                 Running;
+  BOOLEAN                 ShowTip;
+  CONST UMT_STATE_ACTIONS *Actions;
+  GRAPHICS_CONTEXT        *Graphics;
+};
+
 #endif /* UEFI_MONITOR_TEST_H */