Allow the shift key to be held down when changing key/mouse/joystick

bindings to prevent bindings to the same key from being cleared (thanks
myk).

Subversion-branch: /trunk/chocolate-doom
Subversion-revision: 2325

1 files changed, 14 insertions, 0 deletions

diff --git a/textscreen/txt_main.h b/textscreen/txt_main.h
index 601548e5..a415ee1b 100644
--- a/textscreen/txt_main.h
+++ b/textscreen/txt_main.h
@@ -69,6 +69,16 @@ typedef enum
     TXT_COLOR_BRIGHT_WHITE,
 } txt_color_t;
 
+// Modifier keys.
+
+typedef enum
+{
+    TXT_MOD_SHIFT,
+    TXT_MOD_CTRL,
+    TXT_MOD_ALT,
+    TXT_NUM_MODIFIERS
+} txt_modifier_t;
+
 // Initialize the screen
 // Returns 1 if successful, 0 if failed.
 
@@ -94,6 +104,10 @@ void TXT_UpdateScreen(void);
 
 int TXT_GetChar(void);
 
+// Read the current state of modifier keys that are held down.
+
+int TXT_GetModifierState(txt_modifier_t mod);
+
 // Provides a short description of a key code, placing into the 
 // provided buffer.