added cursor key navigation to credits info screens

[rocksndiamonds.git] / src / screens.c

diff --git a/src/screens.c b/src/screens.c
index 8f893cbfb4c28e149bc037797c23635cf2ae0c14..816f01ed53d5cea7a8fb44025f4a045cb00d1e86 100644 (file)
--- a/src/screens.c
+++ b/src/screens.c
@@ -280,7 +280,7 @@ static void HandleInfoScreen_Main(int, int, int, int, int);
 static void HandleInfoScreen_TitleScreen(int);
 static void HandleInfoScreen_Elements(int);
 static void HandleInfoScreen_Music(int);
-static void HandleInfoScreen_Credits(int);
+static void HandleInfoScreen_Credits(int, int, int);
 static void HandleInfoScreen_Program(int);
 static void HandleInfoScreen_Version(int);
 
@@ -3607,12 +3607,12 @@ static void DrawInfoScreen_Credits(void)
 
   FadeOut(REDRAW_FIELD);
 
-  HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
+  HandleInfoScreen_Credits(0, 0, MB_MENU_INITIALIZE);
 
   FadeIn(REDRAW_FIELD);
 }
 
-void HandleInfoScreen_Credits(int button)
+void HandleInfoScreen_Credits(int dx, int dy, int button)
 {
   static int screen_nr = 0;
   int num_screens = 9;
@@ -3621,10 +3621,9 @@ void HandleInfoScreen_Credits(int button)
   {
     screen_nr = 0;
 
-    // DrawInfoScreen_CreditsScreen(screen_nr);
+    DrawInfoScreen_CreditsScreen(screen_nr);
   }
-
-  if (button == MB_MENU_LEAVE)
+  else if (button == MB_MENU_LEAVE)
   {
     PlaySound(SND_MENU_ITEM_SELECTING);
 
@@ -3633,16 +3632,13 @@ void HandleInfoScreen_Credits(int button)
 
     return;
   }
-  else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
+  else if (button == MB_MENU_CHOICE || dx)
   {
-    if (button != MB_MENU_INITIALIZE)
-    {
-      PlaySound(SND_MENU_ITEM_SELECTING);
+    PlaySound(SND_MENU_ITEM_SELECTING);
 
-      screen_nr++;
-    }
+    screen_nr += (dx < 0 ? -1 : +1);
 
-    if (screen_nr >= num_screens)
+    if (screen_nr < 0 || screen_nr >= num_screens)
     {
       FadeMenuSoundsAndMusic();
 
@@ -3652,16 +3648,13 @@ void HandleInfoScreen_Credits(int button)
       return;
     }
 
-    if (screen_nr > 0)
-      FadeSetNextScreen();
+    FadeSetNextScreen();
 
-    if (button != MB_MENU_INITIALIZE)
-      FadeOut(REDRAW_FIELD);
+    FadeOut(REDRAW_FIELD);
 
     DrawInfoScreen_CreditsScreen(screen_nr);
 
-    if (button != MB_MENU_INITIALIZE)
-      FadeIn(REDRAW_FIELD);
+    FadeIn(REDRAW_FIELD);
   }
   else
   {
@@ -4073,7 +4066,7 @@ void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
   else if (info_mode == INFO_MODE_MUSIC)
     HandleInfoScreen_Music(button);
   else if (info_mode == INFO_MODE_CREDITS)
-    HandleInfoScreen_Credits(button);
+    HandleInfoScreen_Credits(dx, dy, button);
   else if (info_mode == INFO_MODE_PROGRAM)
     HandleInfoScreen_Program(button);
   else if (info_mode == INFO_MODE_VERSION)
@@ -4909,10 +4902,8 @@ static void drawChooseTreeText(TreeInfo *ti, int y, boolean active)
 {
   int num_entries = numTreeInfoInGroup(ti);
   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
-  boolean scrollbar_always = (game_status == GAME_MODE_SCORES);
-  boolean scrollbar_keep_space = (scrollbar_needed || scrollbar_always);
   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
-  int screen_width = (scrollbar_keep_space ? scrollbar_xpos : SXSIZE);
+  int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
   int first_entry = ti->cl_first;
   int entry_pos = first_entry + y;
   TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
@@ -4945,7 +4936,7 @@ static void drawChooseTreeText(TreeInfo *ti, int y, boolean active)
     int border = amSX - SX + getFontDrawOffsetX(font_nr1);
     int dx1 = 0;
     int dx3 = text_size_1;
-    int dx4 = screen_width - startdx - 2 * border - text_size_4;
+    int dx4 = SXSIZE - 2 * startdx - 2 * border - text_size_4;
     int num_dots = (dx4 - dx3) / font_size_3;
     int startx1 = startx + dx1;
     int startx3 = startx + dx3;