static guint32 pick_corner(gint x, gint y, gint cx, gint cy, gint cw, gint ch)
{
- if (config_resize_four_corners) {
- if (x - cx > cw / 2) {
- if (y - cy > ch / 2)
- return prop_atoms.net_wm_moveresize_size_bottomright;
- else
- return prop_atoms.net_wm_moveresize_size_topright;
- } else {
- if (y - cy > ch / 2)
- return prop_atoms.net_wm_moveresize_size_bottomleft;
- else
- return prop_atoms.net_wm_moveresize_size_topleft;
- }
- } else {
- /* let's make x and y client relative instead of screen relative */
- x = x - cx;
- y = ch - y + cy;
+ /* let's make x and y client relative instead of screen relative */
+ x = x - cx;
+ y = ch - (y - cy); /* y is inverted, 0 is at the bottom of the window */
+
#define X x*ch/cw
#define A -4*X + 7*ch/3
#define B 4*X -15*ch/9
#define c (x > 5*cw/9)
#define d (y < 4*ch/9)
- if (y < A && y >= C)
- return prop_atoms.net_wm_moveresize_size_topleft;
- else if (y >= A && y >= B && a)
- return prop_atoms.net_wm_moveresize_size_top;
- else if (y < B && y >= D)
- return prop_atoms.net_wm_moveresize_size_topright;
- else if (y < C && y >= E && b)
- return prop_atoms.net_wm_moveresize_size_left;
- else if (y < D && y >= F && c)
- return prop_atoms.net_wm_moveresize_size_right;
- else if (y < E && y >= G)
- return prop_atoms.net_wm_moveresize_size_bottomleft;
- else if (y < G && y < H && d)
- return prop_atoms.net_wm_moveresize_size_bottom;
- else if (y >= H && y < F)
- return prop_atoms.net_wm_moveresize_size_bottomright;
- else
- return prop_atoms.net_wm_moveresize_move;
- }
-}
+ /*
+ Each of these defines (except X which is just there for fun), represents
+ the equation of a line. The lines they represent are shown in the diagram
+ below. Checking y against these lines, we are able to choose a region
+ of the window as shown.
+
+ +---------------------A-------|-------|-------B---------------------+
+ | |A B| |
+ | |A | | B| |
+ | | A B | |
+ | | A | | B | |
+ | | A B | |
+ | | A | | B | |
+ | northwest | A north B | northeast |
+ | | A | | B | |
+ | | A B | |
+ C---------------------+----A--+-------+--B----+---------------------D
+ |CCCCCCC | A B | DDDDDDD|
+ | CCCCCCCC | A | | B | DDDDDDDD |
+ | CCCCCCC A B DDDDDDD |
+ - - - - - - - - - - - +CCCCCCC+aaaaaaa+DDDDDDD+ - - - - - - - - - - -
+ | | b c | |
+ | west | b move c | east |
+ | | b c | |
+ - - - - - - - - - - - +EEEEEEE+ddddddd+FFFFFFF+- - - - - - - - - - -
+ | EEEEEEE G H FFFFFFF |
+ | EEEEEEEE | G | | H | FFFFFFFF |
+ |EEEEEEE | G H | FFFFFFF|
+ E---------------------+----G--+-------+--H----+---------------------F
+ | | G H | |
+ | | G | | H | |
+ | southwest | G south H | southeast |
+ | | G | | H | |
+ | | G H | |
+ | | G | | H | |
+ | | G H | |
+ | |G | | H| |
+ | |G H| |
+ +---------------------G-------|-------|-------H---------------------+
+ */
+
+ if (y < A && y >= C)
+ return prop_atoms.net_wm_moveresize_size_topleft;
+ else if (y >= A && y >= B && a)
+ return prop_atoms.net_wm_moveresize_size_top;
+ else if (y < B && y >= D)
+ return prop_atoms.net_wm_moveresize_size_topright;
+ else if (y < C && y >= E && b)
+ return prop_atoms.net_wm_moveresize_size_left;
+ else if (y < D && y >= F && c)
+ return prop_atoms.net_wm_moveresize_size_right;
+ else if (y < E && y >= G)
+ return prop_atoms.net_wm_moveresize_size_bottomleft;
+ else if (y < G && y < H && d)
+ return prop_atoms.net_wm_moveresize_size_bottom;
+ else if (y >= H && y < F)
+ return prop_atoms.net_wm_moveresize_size_bottomright;
+ else
+ return prop_atoms.net_wm_moveresize_move;
+
+#undef X
#undef A
#undef B
#undef C
#undef b
#undef c
#undef d
+}
void action_moveresize(union ActionData *data)
{