added storing image identifier in internal gadget structure

[rocksndiamonds.git] / src / libgame / gadgets.c

diff --git a/src/libgame/gadgets.c b/src/libgame/gadgets.c
index 6b7d2592f435849b3bd8fb0f8798227278a18ca7..cba655f874a89a29d9c31d0001c5a75506ef9088 100644 (file)
--- a/src/libgame/gadgets.c
+++ b/src/libgame/gadgets.c
@@ -782,6 +782,10 @@ static void HandleGadgetTags(struct GadgetInfo *gi, int first_tag, va_list ap)
   {
     switch(tag)
     {
+      case GDI_IMAGE_ID:
+       gi->image_id = va_arg(ap, int);
+       break;
+
       case GDI_CUSTOM_ID:
        gi->custom_id = va_arg(ap, int);
        break;
@@ -1281,6 +1285,7 @@ struct GadgetInfo *CreateGadget(int first_tag, ...)
 
   /* always start with reliable default values */
   new_gadget->id = getNewGadgetID();
+  new_gadget->image_id = -1;
   new_gadget->callback_info = default_callback_info;
   new_gadget->callback_action = default_callback_action;
   new_gadget->active = TRUE;
@@ -1481,7 +1486,7 @@ static boolean insideSelectboxArea(struct GadgetInfo *gi, int mx, int my)
 
 void ClickOnGadget(struct GadgetInfo *gi, int button)
 {
-  if (!gi->mapped)
+  if (gi == NULL || gi->deactivated || !gi->mapped)
     return;
 
   /* simulate releasing mouse button over last gadget, if still pressed */
@@ -1681,16 +1686,20 @@ boolean HandleGadgets(int mx, int my, int button)
   {
     int last_x = gi->event.x;
     int last_y = gi->event.y;
+    int last_mx = gi->event.mx;
+    int last_my = gi->event.my;
 
-    gi->event.x = mx - gi->x;
-    gi->event.y = my - gi->y;
+    gi->event.x = gi->event.mx = mx - gi->x;
+    gi->event.y = gi->event.my = my - gi->y;
 
     if (gi->type == GD_TYPE_DRAWING_AREA)
     {
       gi->event.x /= gi->drawing.item_xsize;
       gi->event.y /= gi->drawing.item_ysize;
 
-      if (last_x != gi->event.x || last_y != gi->event.y)
+      if (last_x != gi->event.x || last_y != gi->event.y ||
+         ((last_mx != gi->event.mx || last_my != gi->event.my) &&
+          gi->event_mask & GD_EVENT_PIXEL_PRECISE))
        changed_position = TRUE;
     }
     else if (gi->type & GD_TYPE_TEXT_INPUT && button != 0 && !motion_status)