added detecting use of touch device for user input on current platform
[rocksndiamonds.git] / src / events.c
index 31d45abff4cc3946e05589270ad869d05765e3d4..b94e57c5cbfbce47c600abc665a2ac96c09f3439 100644 (file)
@@ -268,14 +268,12 @@ void HandleOtherEvents(Event *event)
       HandleJoystickEvent(event);
       break;
 
-#if defined(USE_DRAG_AND_DROP)
     case SDL_DROPBEGIN:
     case SDL_DROPCOMPLETE:
     case SDL_DROPFILE:
     case SDL_DROPTEXT:
       HandleDropEvent(event);
       break;
-#endif
 
     default:
       break;
@@ -405,7 +403,10 @@ void ClearPlayerAction(void)
   // simulate key release events for still pressed keys
   key_joystick_mapping = 0;
   for (i = 0; i < MAX_PLAYERS; i++)
+  {
     stored_player[i].action = 0;
+    stored_player[i].snap_action = 0;
+  }
 
   ClearJoystickState();
   ClearPlayerMouseAction();
@@ -683,6 +684,7 @@ static struct
   SDL_FingerID finger_id;
   int counter;
   Key key;
+  byte action;
 } touch_info[NUM_TOUCH_FINGERS];
 
 static void HandleFingerEvent_VirtualButtons(FingerEvent *event)
@@ -811,6 +813,9 @@ static void HandleFingerEvent_VirtualButtons(FingerEvent *event)
        {
          HandleKey(touch_info[i].key, KEY_RELEASED);
 
+         // undraw previous grid button when moving finger away
+         overlay.grid_button_action &= ~touch_info[i].action;
+
          Error(ERR_DEBUG, "=> key == '%s', key_status == '%s' [slot %d] [2]",
                getKeyNameFromKey(touch_info[i].key), "KEY_RELEASED", i);
        }
@@ -828,6 +833,7 @@ static void HandleFingerEvent_VirtualButtons(FingerEvent *event)
       touch_info[i].finger_id = event->fingerId;
       touch_info[i].counter = Counter();
       touch_info[i].key = key;
+      touch_info[i].action = grid_button_action;
     }
     else
     {
@@ -843,6 +849,7 @@ static void HandleFingerEvent_VirtualButtons(FingerEvent *event)
       touch_info[i].finger_id = 0;
       touch_info[i].counter = 0;
       touch_info[i].key = 0;
+      touch_info[i].action = JOY_NO_ACTION;
     }
   }
 }
@@ -1009,6 +1016,8 @@ void HandleFingerEvent(FingerEvent *event)
        event->pressure);
 #endif
 
+  runtime.uses_touch_device = TRUE;
+
   if (game_status != GAME_MODE_PLAYING)
     return;
 
@@ -1527,8 +1536,7 @@ void HandleClientMessageEvent(ClientMessageEvent *event)
     CloseAllAndExit(0);
 }
 
-#if defined(USE_DRAG_AND_DROP)
-static boolean HandleDropFileEvent(char *filename)
+static int HandleDropFileEvent(char *filename)
 {
   Error(ERR_DEBUG, "DROP FILE EVENT: '%s'", filename);
 
@@ -1537,7 +1545,7 @@ static boolean HandleDropFileEvent(char *filename)
   {
     Error(ERR_WARN, "file '%s' not supported", filename);
 
-    return FALSE;
+    return TREE_TYPE_UNDEFINED;
   }
 
   TreeInfo *tree_node = NULL;
@@ -1548,7 +1556,7 @@ static boolean HandleDropFileEvent(char *filename)
   {
     Error(ERR_WARN, "zip file '%s' has invalid content!", filename);
 
-    return FALSE;
+    return TREE_TYPE_UNDEFINED;
   }
 
   if (tree_type == TREE_TYPE_LEVEL_DIR &&
@@ -1574,7 +1582,7 @@ static boolean HandleDropFileEvent(char *filename)
   {
     // error message already issued by "ExtractZipFileIntoDirectory()"
 
-    return FALSE;
+    return TREE_TYPE_UNDEFINED;
   }
 
   // add extracted level or artwork set to tree info structure
@@ -1583,7 +1591,7 @@ static boolean HandleDropFileEvent(char *filename)
   // update menu screen (and possibly change current level set)
   DrawScreenAfterAddingSet(top_dir, tree_type);
 
-  return TRUE;
+  return tree_type;
 }
 
 static void HandleDropTextEvent(char *text)
@@ -1591,29 +1599,93 @@ static void HandleDropTextEvent(char *text)
   Error(ERR_DEBUG, "DROP TEXT EVENT: '%s'", text);
 }
 
+static void HandleDropCompleteEvent(int num_level_sets_succeeded,
+                                   int num_artwork_sets_succeeded,
+                                   int num_files_failed)
+{
+  // only show request dialog if no other request dialog already active
+  if (game.request_active)
+    return;
+
+  // this case can happen with drag-and-drop with older SDL versions
+  if (num_level_sets_succeeded == 0 &&
+      num_artwork_sets_succeeded == 0 &&
+      num_files_failed == 0)
+    return;
+
+  char message[100];
+
+  if (num_level_sets_succeeded > 0 || num_artwork_sets_succeeded > 0)
+  {
+    char message_part1[50];
+
+    sprintf(message_part1, "New %s set%s added",
+           (num_artwork_sets_succeeded == 0 ? "level" :
+            num_level_sets_succeeded == 0 ? "artwork" : "level and artwork"),
+           (num_level_sets_succeeded +
+            num_artwork_sets_succeeded > 1 ? "s" : ""));
+
+    if (num_files_failed > 0)
+      sprintf(message, "%s, but %d dropped file%s failed!",
+             message_part1, num_files_failed, num_files_failed > 1 ? "s" : "");
+    else
+      sprintf(message, "%s!", message_part1);
+  }
+  else if (num_files_failed > 0)
+  {
+    sprintf(message, "Failed to process dropped file%s!",
+           num_files_failed > 1 ? "s" : "");
+  }
+
+  Request(message, REQ_CONFIRM);
+}
+
 void HandleDropEvent(Event *event)
 {
-  static int files_succeeded = 0;
-  static int files_failed = 0;
+  static boolean confirm_on_drop_complete = FALSE;
+  static int num_level_sets_succeeded = 0;
+  static int num_artwork_sets_succeeded = 0;
+  static int num_files_failed = 0;
 
   switch (event->type)
   {
     case SDL_DROPBEGIN:
     {
-      files_succeeded = 0;
-      files_failed = 0;
+      confirm_on_drop_complete = TRUE;
+      num_level_sets_succeeded = 0;
+      num_artwork_sets_succeeded = 0;
+      num_files_failed = 0;
 
       break;
     }
 
     case SDL_DROPFILE:
     {
-      boolean success = HandleDropFileEvent(event->drop.file);
-
-      if (success)
-       files_succeeded++;
+      int tree_type = HandleDropFileEvent(event->drop.file);
+
+      if (tree_type == TREE_TYPE_LEVEL_DIR)
+       num_level_sets_succeeded++;
+      else if (tree_type == TREE_TYPE_GRAPHICS_DIR ||
+              tree_type == TREE_TYPE_SOUNDS_DIR ||
+              tree_type == TREE_TYPE_MUSIC_DIR)
+       num_artwork_sets_succeeded++;
       else
-       files_failed++;
+       num_files_failed++;
+
+      // SDL_DROPBEGIN / SDL_DROPCOMPLETE did not exist in older SDL versions
+      if (!confirm_on_drop_complete)
+      {
+       // process all remaining events, including further SDL_DROPFILE events
+       ClearEventQueue();
+
+       HandleDropCompleteEvent(num_level_sets_succeeded,
+                               num_artwork_sets_succeeded,
+                               num_files_failed);
+
+       num_level_sets_succeeded = 0;
+       num_artwork_sets_succeeded = 0;
+       num_files_failed = 0;
+      }
 
       break;
     }
@@ -1627,17 +1699,9 @@ void HandleDropEvent(Event *event)
 
     case SDL_DROPCOMPLETE:
     {
-      // only show request dialog if no other request dialog already active
-      if (!game.request_active)
-      {
-       if (files_succeeded > 0 && files_failed > 0)
-         Request("New level or artwork set(s) added, "
-                 "but some dropped file(s) failed!", REQ_CONFIRM);
-       else if (files_succeeded > 0)
-         Request("New level or artwork set(s) added!", REQ_CONFIRM);
-       else if (files_failed > 0)
-         Request("Failed to process dropped file(s)!", REQ_CONFIRM);
-      }
+      HandleDropCompleteEvent(num_level_sets_succeeded,
+                             num_artwork_sets_succeeded,
+                             num_files_failed);
 
       break;
     }
@@ -1646,7 +1710,6 @@ void HandleDropEvent(Event *event)
   if (event->drop.file != NULL)
     SDL_free(event->drop.file);
 }
-#endif
 
 void HandleButton(int mx, int my, int button, int button_nr)
 {