improved virtual buttons for touch devices (Android)

[rocksndiamonds.git] / src / screens.c

diff --git a/src/screens.c b/src/screens.c
index 66f863cce57fc97b3f99b4cc63bf69f52f7d5174..6ece1110727fd797d8743884607b9a33c298c6d7 100644 (file)
--- a/src/screens.c
+++ b/src/screens.c
@@ -383,6 +383,7 @@ static struct
 {
   {    TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
   {    TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
+  {    TOUCH_CONTROL_FOLLOW_FINGER,    "Follow Finger"         },
 
   {    NULL,                           NULL                    },
 };
@@ -1184,6 +1185,17 @@ static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
          y >= rect_y && y < rect_y + rect->height);
 }
 
+static boolean insidePreviewRect(struct PreviewInfo *preview, int x, int y)
+{
+  int rect_width  = preview->xsize * preview->tile_size;
+  int rect_height = preview->ysize * preview->tile_size;
+  int rect_x = ALIGNED_XPOS(preview->x, rect_width,  preview->align);
+  int rect_y = ALIGNED_YPOS(preview->y, rect_height, preview->valign);
+
+  return (x >= rect_x && x < rect_x + rect_width &&
+         y >= rect_y && y < rect_y + rect_height);
+}
+
 static void AdjustScrollbar(int id, int items_max, int items_visible,
                            int item_position)
 {
@@ -1807,6 +1819,10 @@ void HandleMainMenu(int mx, int my, int dx, int dy, int button)
       }
     }
 
+    /* check if level preview was clicked */
+    if (insidePreviewRect(&preview, mx - SX, my - SY))
+      pos = MAIN_CONTROL_GAME;
+
     // handle pressed/unpressed state for active/inactive menu buttons
     // (if pos != -1, "i" contains index position corresponding to "pos")
     if (button &&
@@ -3570,9 +3586,7 @@ void HandleTypeName(int newxpos, Key key)
 
     xpos = newxpos;
 
-#if defined(TARGET_SDL2)
-    SDL_StartTextInput();
-#endif
+    StartTextInput(startx, starty, pos->width, pos->height);
   }
   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
   {
@@ -3619,9 +3633,7 @@ void HandleTypeName(int newxpos, Key key)
 
     DrawText(startx, starty, setup.player_name, font_nr);
 
-#if defined(TARGET_SDL2)
-    SDL_StopTextInput();
-#endif
+    StopTextInput();
   }
 }
 
@@ -3656,10 +3668,11 @@ static void DrawChooseTree(TreeInfo **ti_ptr)
   /* needed if different viewport properties defined for choosing level (set) */
   ChangeViewportPropertiesIfNeeded();
 
-  SetMainBackgroundImage(game_status == GAME_MODE_LEVELNR ?
-                        IMG_BACKGROUND_LEVELNR :
-                        game_status == GAME_MODE_LEVELS ?
-                        IMG_BACKGROUND_LEVELS : IMG_BACKGROUND);
+  if (game_status == GAME_MODE_LEVELNR)
+    SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
+  else if (game_status == GAME_MODE_LEVELS)
+    SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
+
   ClearField();
 
   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
@@ -5413,6 +5426,16 @@ static struct TokenInfo setup_info_input[] =
 };
 
 static struct TokenInfo setup_info_touch[] =
+{
+  { TYPE_ENTER_LIST,   execSetupChooseTouchControls, "Touch Control Type:" },
+  { TYPE_STRING,       &touch_controls_text,   ""                      },
+  { TYPE_EMPTY,                NULL,                   ""                      },
+  { TYPE_LEAVE_MENU,   execSetupMain,          "Back"                  },
+
+  { 0,                 NULL,                   NULL                    }
+};
+
+static struct TokenInfo setup_info_touch_wipe_gestures[] =
 {
   { TYPE_ENTER_LIST,   execSetupChooseTouchControls, "Touch Control Type:" },
   { TYPE_STRING,       &touch_controls_text,   ""                      },
@@ -5812,6 +5835,9 @@ static void DrawSetupScreen_Generic()
   {
     setup_info = setup_info_touch;
     title_string = "Setup Touch Ctrls";
+
+    if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
+      setup_info = setup_info_touch_wipe_gestures;
   }
   else if (setup_mode == SETUP_MODE_SHORTCUTS)
   {