[mouse] Use different cursors for corners

Signed-off-by: Julien Danjou <julien@danjou.info>

awesome.c

@@ -390,6 +390,10 @@ main(int argc, char **argv)
     globalconf.cursor[CurNormal] = create_font_cursor(CURSOR_LEFT_PTR);
     globalconf.cursor[CurResize] = create_font_cursor(CURSOR_SIZING);
     globalconf.cursor[CurMove] = create_font_cursor(CURSOR_FLEUR);
+    globalconf.cursor[CurTopRight] = create_font_cursor(CURSOR_TOP_RIGHT_CORNER);
+    globalconf.cursor[CurTopLeft] = create_font_cursor(CURSOR_TOP_LEFT_CORNER);
+    globalconf.cursor[CurBotRight] = create_font_cursor(CURSOR_BOTTOM_RIGHT_CORNER);
+    globalconf.cursor[CurBotLeft] = create_font_cursor(CURSOR_BOTTOM_LEFT_CORNER);
 
     /* select for events */
     const uint32_t change_win_vals[] =

common/xutil.h

@@ -37,6 +37,11 @@
 #define CURSOR_FLEUR                             52
 #define CURSOR_LEFT_PTR                          68
 #define CURSOR_SIZING                           120
+#define CURSOR_BOTTOM_LEFT_CORNER                12
+#define CURSOR_BOTTOM_RIGHT_CORNER               14
+#define CURSOR_TOP_LEFT_CORNER                  134
+#define CURSOR_TOP_RIGHT_CORNER                 136
+
 
 #define ANY_KEY      0L      /* special Key Code, passed to GrabKey */
 #define ANY_MODIFIER (1<<15) /* used in Grabbutton_t, GrabKey */

mouse.c

@@ -217,10 +217,10 @@ mouse_query_pointer(xcb_window_t window, int *x, int *y)
     return true;
 }
 
-/** Grab the Pointer
- * \param window
- * \param cursor the Cursor to display (see struct.h CurNormal, CurResize etc)
- * \return true on success, false if an error occured
+/** Grab the Pointer.
+ * \param window The window grabbed.
+ * \param cursor The cursor to display (see struct.h CurNormal, CurResize, etc).
+ * \return True on success, false if an error occured.
  */
 static bool
 mouse_grab_pointer(xcb_window_t window, size_t cursor)
@@ -445,6 +445,7 @@ mouse_client_resize_floating(client_t *c)
     /* the resize bar */
     simple_window_t *sw;
     draw_context_t  *ctx;
+    size_t cursor = CurResize;
 
     screen = xcb_aux_get_screen(globalconf.connection, c->phys_screen);
 
@@ -464,27 +465,40 @@ mouse_client_resize_floating(client_t *c)
         {
             mouse_y = top;
             fixed_y = bottom;
-        }
-        else
-        {
-            mouse_y = bottom;
-            fixed_y = top;
-        }
-
             if(abs(left - mouse_x) < abs(right - mouse_x))
             {
                 mouse_x = left;
                 fixed_x = right;
+                cursor = CurTopLeft;
             }
             else
             {
                 mouse_x = right;
                 fixed_x = left;
+                cursor = CurTopRight;
+            }
+        }
+        else
+        {
+            mouse_y = bottom;
+            fixed_y = top;
+            if(abs(left - mouse_x) < abs(right - mouse_x))
+            {
+                mouse_x = left;
+                fixed_x = right;
+                cursor = CurBotLeft;
+            }
+            else
+            {
+                mouse_x = right;
+                fixed_x = left;
+                cursor = CurBotRight;
+            }
         }
     }
 
     /* grab the pointer */
-    if(!mouse_grab_pointer(screen->root, CurResize))
+    if(!mouse_grab_pointer(screen->root, cursor))
         return;
 
     /* set pointer to the moveable corner */

structs.h

@@ -45,7 +45,7 @@ typedef enum
 
 /** Cursors */
 enum
-{ CurNormal, CurResize, CurMove, CurLast };
+{ CurNormal, CurResize, CurMove, CurTopLeft, CurTopRight, CurBotLeft, CurBotRight, CurLast };
 
 typedef struct button_t button_t;
 typedef struct widget_t widget_t;