Removed unneccesary code lines. Fixed mousename bug. Added lacking co…

…de in mousebutton

include/SDL_mouse.h

@@ -54,6 +54,17 @@ typedef struct SDL_Cursor SDL_Cursor;   /* Implementation dependent */
  */
 extern DECLSPEC int SDLCALL SDL_GetNumMice(void);
 
+/**
+ * \fn char* SDL_GetMouseName(int index)
+ *
+ * \brief Gets the name of a mouse with the given index.
+ *
+ * \param index is the index of the mouse, which name is to be returned.
+ *
+ * \return the name of the mouse with the specified index
+ */
+extern DECLSPEC char *SDLCALL SDL_GetMouseName(int index);
+
 /**
  * \fn int SDL_SelectMouse(int index)
  *
@@ -206,13 +217,35 @@ extern DECLSPEC int SDLCALL SDL_ShowCursor(int toggle);
    Button 3:	Right mouse button
  */
 
-/* FIXME: Where do these functions go in this header?
-          Also, add doxygen documentation for these...
-*/
-extern DECLSPEC char *SDLCALL SDL_GetMouseName(int index);
-
+/**
+ * \fn int SDL_GetCursorsNumber(int index)
+ *
+ * \brief Gets the number of cursors a pointing device supports.
+ * Useful for tablet users. Useful only under Windows.
+ *
+ * \param index is the index of the pointing device, which number of cursors we
+ * want to receive.
+ *
+ * \return the number of cursors supported by the pointing device. On Windows
+ * if a device is a tablet it returns a number >=1. Normal mice always return 1.
+ * On Linux every device reports one cursor.
+ */
 extern DECLSPEC int SDLCALL SDL_GetCursorsNumber(int index);
 
+/**
+ * \fn int SDL_GetCurrentCursor(int index)
+ *
+ * \brief Returns the index of the current cursor used by a specific pointing
+ * device. Useful only under Windows.
+ *
+ * \param index is the index of the pointing device, which cursor index we want
+ * to receive.
+ *
+ * \return the index of the cursor currently used by a specific pointing device.
+ * Always 0 under Linux. On Windows if the device isn't a tablet it returns 0.
+ * If the device is the tablet it returns the cursor index.
+ * 0 - stylus, 1 - eraser, 2 - cursor.
+ */
 extern DECLSPEC int SDLCALL SDL_GetCurrentCursor(int index);
 
 #define SDL_BUTTON(X)		(1 << ((X)-1))

src/events/SDL_mouse.c

@@ -116,8 +116,8 @@ SDL_AddMouse(const SDL_Mouse * mouse, int index, char *name, int pressure_max,
     /* we're setting the mouse properties */
     length = 0;
     length = SDL_strlen(name);
-    SDL_mice[index]->name = SDL_malloc((length + 1) * sizeof(char));
-    SDL_strlcpy(SDL_mice[index]->name, name, length);
+    SDL_mice[index]->name = SDL_malloc((length + 2) * sizeof(char));
+    SDL_strlcpy(SDL_mice[index]->name, name, length+1);
     SDL_mice[index]->pressure_max = pressure_max;
     SDL_mice[index]->pressure_min = pressure_min;
     SDL_mice[index]->cursor_shown = SDL_TRUE;
@@ -512,6 +512,10 @@ SDL_SendMouseButton(int id, Uint8 state, Uint8 button)
         mouse->buttonstate |= SDL_BUTTON(button);
         break;
     case SDL_RELEASED:
+        if(!(mouse->buttonstate & SDL_BUTTON(button))) {
+            /* Ignore this event, no state change */
+            return 0;
+        }
         type = SDL_MOUSEBUTTONUP;
         mouse->buttonstate &= ~SDL_BUTTON(button);
         break;

src/video/x11/SDL_x11window.c

@@ -483,7 +483,6 @@ X11_CreateWindow(_THIS, SDL_Window * window)
         Uint32 fevent = 0;
         pXGetICValues(((SDL_WindowData *) window->driverdata)->ic,
                       XNFilterEvents, &fevent, NULL);
-        XMapWindow(data->display, w);
         XSelectInput(data->display, w,
                      (FocusChangeMask | EnterWindowMask | LeaveWindowMask |
                       ExposureMask | ButtonPressMask | ButtonReleaseMask |
@@ -492,13 +491,14 @@ X11_CreateWindow(_THIS, SDL_Window * window)
                       KeymapStateMask | fevent));
     }
 #else
-    XMapWindow(data->display, w);
-    XSelectInput(data->display, w,
+    {
+        XSelectInput(data->display, w,
                  (FocusChangeMask | EnterWindowMask | LeaveWindowMask |
                   ExposureMask | ButtonPressMask | ButtonReleaseMask |
                   PointerMotionMask | KeyPressMask | KeyReleaseMask |
                   PropertyChangeMask | StructureNotifyMask |
                   KeymapStateMask));
+    }
 #endif
 
     /* we're informing the display what extension events we want to receive from it */