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window: Simplify adjust_for_gravity

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This commit is contained in:
Jasper St. Pierre 2014-05-01 16:33:56 -04:00
parent 292d502205
commit 01b6445708
1 changed files with 52 additions and 64 deletions
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116
src/core/window.c
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@ -3839,95 +3839,83 @@ adjust_for_gravity (MetaWindow *window,
* their formulas assume we're honoring the border width, rather
* than compensating for having turned it off)
*/
/* Calculate the the reference point, which is the corner of the
* outer window specified by the gravity. So, NorthEastGravity
* would have the reference point as the top-right corner of the
* outer window. */
ref_x = rect->x;
ref_y = rect->y;
switch (gravity)
{
case NorthWestGravity:
ref_x = rect->x;
ref_y = rect->y;
break;
case NorthGravity:
ref_x = rect->x + rect->width / 2 + bw;
ref_y = rect->y;
case CenterGravity:
case SouthGravity:
ref_x += rect->width / 2 + bw;
break;
case NorthEastGravity:
ref_x = rect->x + rect->width + bw * 2;
ref_y = rect->y;
break;
case WestGravity:
ref_x = rect->x;
ref_y = rect->y + rect->height / 2 + bw;
break;
case CenterGravity:
ref_x = rect->x + rect->width / 2 + bw;
ref_y = rect->y + rect->height / 2 + bw;
break;
case EastGravity:
ref_x = rect->x + rect->width + bw * 2;
ref_y = rect->y + rect->height / 2 + bw;
break;
case SouthWestGravity:
ref_x = rect->x;
ref_y = rect->y + rect->height + bw * 2;
break;
case SouthGravity:
ref_x = rect->x + rect->width / 2 + bw;
ref_y = rect->y + rect->height + bw * 2;
break;
case SouthEastGravity:
ref_x = rect->x + rect->width + bw * 2;
ref_y = rect->y + rect->height + bw * 2;
ref_x += rect->width + bw * 2;
break;
case StaticGravity:
default:
ref_x = rect->x;
ref_y = rect->y;
break;
}
switch (gravity)
{
case NorthWestGravity:
rect->x = ref_x + child_x;
rect->y = ref_y + child_y;
break;
case NorthGravity:
rect->x = ref_x - frame_width / 2 + child_x;
rect->y = ref_y + child_y;
break;
case NorthEastGravity:
rect->x = ref_x - frame_width + child_x;
rect->y = ref_y + child_y;
break;
case WestGravity:
rect->x = ref_x + child_x;
rect->y = ref_y - frame_height / 2 + child_y;
break;
case CenterGravity:
rect->x = ref_x - frame_width / 2 + child_x;
rect->y = ref_y - frame_height / 2 + child_y;
break;
case EastGravity:
rect->x = ref_x - frame_width + child_x;
rect->y = ref_y - frame_height / 2 + child_y;
ref_y += rect->height / 2 + bw;
break;
case SouthWestGravity:
rect->x = ref_x + child_x;
rect->y = ref_y - frame_height + child_y;
break;
case SouthGravity:
rect->x = ref_x - frame_width / 2 + child_x;
rect->y = ref_y - frame_height + child_y;
break;
case SouthEastGravity:
rect->x = ref_x - frame_width + child_x;
rect->y = ref_y - frame_height + child_y;
ref_y += rect->height + bw * 2;
break;
case StaticGravity:
default:
rect->x = ref_x;
rect->y = ref_y;
break;
}
/* Find the top-left corner of the outer window from
* the reference point. */
rect->x = ref_x;
rect->y = ref_y;
switch (gravity)
{
case NorthGravity:
case CenterGravity:
case SouthGravity:
rect->x -= frame_width / 2;
break;
case NorthEastGravity:
case EastGravity:
case SouthEastGravity:
rect->x -= frame_width;
break;
}
switch (gravity)
{
case WestGravity:
case CenterGravity:
case EastGravity:
rect->y -= frame_height / 2;
break;
case SouthWestGravity:
case SouthGravity:
case SouthEastGravity:
rect->y -= frame_height;
break;
}
/* Adjust to get the top-left corner of the inner window. */
rect->x += child_x;
rect->y += child_y;
}
/**