[Scummvm-cvs-logs] SF.net SVN: scummvm: [26168] scummvm/trunk/engines/agi/text.cpp

[eriktorbjorn at users.sourceforge.net]

Revision: 26168
          http://scummvm.svn.sourceforge.net/scummvm/?rev=26168&view=rev
Author:   eriktorbjorn
Date:     2007-03-17 06:31:48 -0700 (Sat, 17 Mar 2007)

Log Message:
-----------
Allow using the left/right keys to select button in a selection box. (Selection
boxes are used, for instance, when asking the player to verify that he wants to
save the game to a specific slot.)

Modified Paths:
--------------
    scummvm/trunk/engines/agi/text.cpp

Modified: scummvm/trunk/engines/agi/text.cpp
===================================================================
--- scummvm/trunk/engines/agi/text.cpp	2007-03-17 13:20:39 UTC (rev 26167)
+++ scummvm/trunk/engines/agi/text.cpp	2007-03-17 13:31:48 UTC (rev 26168)
@@ -310,6 +310,7 @@
  * @param b NULL-terminated list of button labels
  */
 int AgiEngine::selectionBox(const char *m, const char **b) {
+	int numButtons = 0;
 	int x, y, i, s;
 	int key, active = 0;
 	int rc = -1;
@@ -325,6 +326,7 @@
 
 	/* Automatically position buttons */
 	for (i = 0; b[i]; i++) {
+		numButtons++;
 		s -= CHAR_COLS * strlen(b[i]);
 	}
 
@@ -362,6 +364,16 @@
 		case KEY_ESCAPE:
 			rc = -1;
 			goto getout;
+		case KEY_RIGHT:
+			active++;
+			if (active >= numButtons)
+				active = 0;
+			break;
+		case KEY_LEFT:
+			active--;
+			if (active < 0)
+				active = numButtons - 1;
+			break;
 		case BUTTON_LEFT:
 			for (i = 0; b[i]; i++) {
 				if (_gfx->testButton(bx[i], by[i], b[i])) {


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