mirror of
https://github.com/brl/mutter.git
synced 2024-12-24 20:12:06 +00:00
window: Move adjust_for_gravity to window-x11
This removes the weirdness about which edge cases are where in the move_resize_internal API, and we now always pass in client top-left coordinates.
This commit is contained in:
Jasper St. Pierre
parent
4c21a46452
commit
acb3dc6754
@ -74,11 +74,10 @@ typedef enum {
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typedef enum
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{
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META_IS_CONFIGURE_REQUEST = 1 << 0,
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META_DO_GRAVITY_ADJUST = 1 << 1,
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META_IS_USER_ACTION = 1 << 2,
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META_IS_MOVE_ACTION = 1 << 3,
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META_IS_RESIZE_ACTION = 1 << 4,
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META_IS_WAYLAND_RESIZE = 1 << 5
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META_IS_USER_ACTION = 1 << 1,
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META_IS_MOVE_ACTION = 1 << 2,
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META_IS_RESIZE_ACTION = 1 << 3,
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META_IS_WAYLAND_RESIZE = 1 << 4,
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} MetaMoveResizeFlags;
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typedef enum
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@ -3625,121 +3625,6 @@ meta_window_activate_with_workspace (MetaWindow *window,
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meta_window_activate_full (window, timestamp, META_CLIENT_TYPE_APPLICATION, workspace);
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}
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/* Manually fix all the weirdness explained in the big comment at the
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* beginning of meta_window_move_resize_internal() giving positions
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* expected by meta_window_constrain (i.e. positions & sizes of the
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* internal or client window).
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*/
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static void
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adjust_for_gravity (MetaWindow *window,
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gboolean coords_assume_border,
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int gravity,
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MetaRectangle *rect)
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{
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int ref_x, ref_y;
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int bw;
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int child_x, child_y;
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int frame_width, frame_height;
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MetaFrameBorders borders;
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if (coords_assume_border)
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bw = window->border_width;
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else
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bw = 0;
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meta_frame_calc_borders (window->frame, &borders);
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child_x = borders.visible.left;
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child_y = borders.visible.top;
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frame_width = child_x + rect->width + borders.visible.right;
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frame_height = child_y + rect->height + borders.visible.bottom;
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/* We're computing position to pass to window_move, which is
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* the position of the client window (StaticGravity basically)
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*
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* (see WM spec description of gravity computation, but note that
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* their formulas assume we're honoring the border width, rather
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* than compensating for having turned it off)
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*/
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/* Calculate the the reference point, which is the corner of the
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* outer window specified by the gravity. So, NorthEastGravity
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* would have the reference point as the top-right corner of the
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* outer window. */
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ref_x = rect->x;
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ref_y = rect->y;
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switch (gravity)
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{
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case NorthGravity:
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case CenterGravity:
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case SouthGravity:
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ref_x += rect->width / 2 + bw;
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break;
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case NorthEastGravity:
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case EastGravity:
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case SouthEastGravity:
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ref_x += rect->width + bw * 2;
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break;
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default:
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break;
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}
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switch (gravity)
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{
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case WestGravity:
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case CenterGravity:
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case EastGravity:
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ref_y += rect->height / 2 + bw;
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break;
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case SouthWestGravity:
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case SouthGravity:
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case SouthEastGravity:
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ref_y += rect->height + bw * 2;
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break;
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default:
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break;
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}
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/* Find the top-left corner of the outer window from
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* the reference point. */
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rect->x = ref_x;
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rect->y = ref_y;
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switch (gravity)
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{
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case NorthGravity:
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case CenterGravity:
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case SouthGravity:
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rect->x -= frame_width / 2;
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break;
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case NorthEastGravity:
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case EastGravity:
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case SouthEastGravity:
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rect->x -= frame_width;
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break;
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}
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switch (gravity)
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{
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case WestGravity:
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case CenterGravity:
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case EastGravity:
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rect->y -= frame_height / 2;
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break;
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case SouthWestGravity:
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case SouthGravity:
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case SouthEastGravity:
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rect->y -= frame_height;
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break;
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}
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/* Adjust to get the top-left corner of the inner window. */
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rect->x += child_x;
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rect->y += child_y;
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}
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/**
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* meta_window_updates_are_frozen:
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* @window: a #MetaWindow
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@ -3889,46 +3774,14 @@ meta_window_move_resize_internal (MetaWindow *window,
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int w,
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int h)
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{
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/* meta_window_move_resize_internal gets called with very different
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* meanings for root_x_nw and root_y_nw. w & h are always the area
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* of the inner or client window (i.e. excluding the frame) and
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* gravity is the relevant gravity associated with the request (note
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* that gravity is ignored for move-only operations unless its
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* e.g. a configure request). The location is different for
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* different cases because of how this function gets called; note
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* that in all cases what we want to find out is the upper left
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* corner of the position of the inner window:
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/* The rectangle here that's passed in is always the root position
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* of the client window. For undecorated or client-decorated windows,
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* this is the root position of the X11 window. For server-decorated
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* windows, this is the root position of the client area of the window.
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*
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* Case | Called from (flags; gravity)
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* -----+-----------------------------------------------
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* 1 | A resize only ConfigureRequest
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* 1 | meta_window_resize
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* 1 | meta_window_resize_with_gravity
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* 2 | New window
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* 2 | Session restore
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* 2 | A not-resize-only ConfigureRequest/net_moveresize_window request
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* 3 | meta_window_move
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* 3 | meta_window_move_resize
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* 4 | meta_window_move_resize_wayland
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*
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* For each of the cases, root_x_nw and root_y_nw must be treated as follows:
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*
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* (1) They should be entirely ignored; instead the previous position
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* and size of the window should be resized according to the given
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* gravity in order to determine the new position of the window.
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* (2) Needs to be fixed up by adjust_for_gravity() as these
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* coordinates are relative to some corner or side of the outer
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* window (except for the case of StaticGravity) and we want to
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* know the location of the upper left corner of the inner window.
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* (3) These values are already the desired position of the NW corner
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* of the inner window
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* (4) These values are already the desired position of the NW corner
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* of the inner window (which is also the outer window, because
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* we don't decorate wayland clients), and the client has acknowledged
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* the window size change.
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* Similarly, the width and height passed in are in client window
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* coordinates as well.
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*/
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gboolean is_configure_request;
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gboolean do_gravity_adjust;
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gboolean is_user_action;
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gboolean did_placement;
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/* used for the configure request, but may not be final
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@ -3941,8 +3794,6 @@ meta_window_move_resize_internal (MetaWindow *window,
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g_return_if_fail (!window->override_redirect);
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is_configure_request = (flags & META_IS_CONFIGURE_REQUEST) != 0;
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do_gravity_adjust = (flags & META_DO_GRAVITY_ADJUST) != 0;
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is_user_action = (flags & META_IS_USER_ACTION) != 0;
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/* The action has to be a move, a resize or the wayland client
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@ -3956,9 +3807,8 @@ meta_window_move_resize_internal (MetaWindow *window,
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meta_window_get_client_root_coords (window, &old_rect);
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meta_topic (META_DEBUG_GEOMETRY,
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"Move/resize %s to %d,%d %dx%d%s%s from %d,%d %dx%d\n",
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"Move/resize %s to %d,%d %dx%d%s from %d,%d %dx%d\n",
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window->desc, root_x_nw, root_y_nw, w, h,
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is_configure_request ? " (configure request)" : "",
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is_user_action ? " (user move/resize)" : "",
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old_rect.x, old_rect.y, old_rect.width, old_rect.height);
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@ -3986,21 +3836,6 @@ meta_window_move_resize_internal (MetaWindow *window,
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"Compensated for gravity in resize action; new pos %d,%d\n",
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new_rect.x, new_rect.y);
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}
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else if (is_configure_request || do_gravity_adjust)
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{
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adjust_for_gravity (window,
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/* configure request coords assume
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* the border width existed
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*/
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is_configure_request,
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gravity,
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&new_rect);
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meta_topic (META_DEBUG_GEOMETRY,
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"Compensated for configure_request/do_gravity_adjust needing "
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"weird positioning; new pos %d,%d\n",
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new_rect.x, new_rect.y);
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}
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did_placement = !window->placed && window->calc_placement;
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@ -250,6 +250,116 @@ send_configure_notify (MetaWindow *window)
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meta_error_trap_pop (window->display);
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}
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static void
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adjust_for_gravity (MetaWindow *window,
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gboolean coords_assume_border,
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int gravity,
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MetaRectangle *rect)
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{
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int ref_x, ref_y;
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int bw;
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int child_x, child_y;
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int frame_width, frame_height;
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MetaFrameBorders borders;
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if (coords_assume_border)
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bw = window->border_width;
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else
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bw = 0;
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meta_frame_calc_borders (window->frame, &borders);
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child_x = borders.visible.left;
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child_y = borders.visible.top;
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frame_width = child_x + rect->width + borders.visible.right;
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frame_height = child_y + rect->height + borders.visible.bottom;
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/* We're computing position to pass to window_move, which is
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* the position of the client window (StaticGravity basically)
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*
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* (see WM spec description of gravity computation, but note that
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* their formulas assume we're honoring the border width, rather
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* than compensating for having turned it off)
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*/
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/* Calculate the the reference point, which is the corner of the
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* outer window specified by the gravity. So, NorthEastGravity
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* would have the reference point as the top-right corner of the
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* outer window. */
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ref_x = rect->x;
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ref_y = rect->y;
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switch (gravity)
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{
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case NorthGravity:
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case CenterGravity:
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case SouthGravity:
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ref_x += rect->width / 2 + bw;
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break;
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case NorthEastGravity:
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case EastGravity:
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case SouthEastGravity:
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ref_x += rect->width + bw * 2;
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break;
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default:
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break;
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}
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switch (gravity)
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{
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case WestGravity:
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case CenterGravity:
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case EastGravity:
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ref_y += rect->height / 2 + bw;
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break;
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case SouthWestGravity:
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case SouthGravity:
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case SouthEastGravity:
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ref_y += rect->height + bw * 2;
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break;
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default:
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break;
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}
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/* Find the top-left corner of the outer window from
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* the reference point. */
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rect->x = ref_x;
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rect->y = ref_y;
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switch (gravity)
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{
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case NorthGravity:
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case CenterGravity:
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case SouthGravity:
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rect->x -= frame_width / 2;
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break;
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case NorthEastGravity:
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case EastGravity:
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case SouthEastGravity:
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rect->x -= frame_width;
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break;
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}
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switch (gravity)
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{
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case WestGravity:
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case CenterGravity:
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case EastGravity:
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rect->y -= frame_height / 2;
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break;
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case SouthWestGravity:
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case SouthGravity:
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case SouthEastGravity:
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rect->y -= frame_height;
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break;
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}
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/* Adjust to get the top-left corner of the inner window. */
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rect->x += child_x;
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rect->y += child_y;
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}
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static void
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meta_window_apply_session_info (MetaWindow *window,
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const MetaWindowSessionInfo *info)
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@ -359,31 +469,31 @@ meta_window_apply_session_info (MetaWindow *window,
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if (info->geometry_set)
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{
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int x, y, w, h;
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MetaRectangle rect;
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MetaMoveResizeFlags flags;
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window->placed = TRUE; /* don't do placement algorithms later */
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x = info->rect.x;
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y = info->rect.y;
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rect.x = info->rect.x;
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rect.y = info->rect.y;
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w = window->size_hints.base_width +
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info->rect.width * window->size_hints.width_inc;
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h = window->size_hints.base_height +
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info->rect.height * window->size_hints.height_inc;
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rect.width = window->size_hints.base_width + info->rect.width * window->size_hints.width_inc;
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rect.height = window->size_hints.base_height + info->rect.height * window->size_hints.height_inc;
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/* Force old gravity, ignoring anything now set */
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window->size_hints.win_gravity = info->gravity;
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meta_topic (META_DEBUG_SM,
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"Restoring pos %d,%d size %d x %d for %s\n",
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x, y, w, h, window->desc);
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flags = META_IS_MOVE_ACTION | META_IS_RESIZE_ACTION;
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adjust_for_gravity (window,
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FALSE,
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window->size_hints.win_gravity,
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&rect);
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flags = META_DO_GRAVITY_ADJUST | META_IS_MOVE_ACTION | META_IS_RESIZE_ACTION;
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meta_window_move_resize_internal (window,
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flags,
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window->size_hints.win_gravity,
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x, y, w, h);
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rect.x, rect.y, rect.width, rect.height);
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}
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}
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@ -428,13 +538,24 @@ meta_window_x11_manage (MetaWindow *window)
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*/
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flags = META_IS_CONFIGURE_REQUEST | META_IS_MOVE_ACTION | META_IS_RESIZE_ACTION;
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if (!window->override_redirect)
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meta_window_move_resize_internal (window,
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flags,
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window->size_hints.win_gravity,
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window->size_hints.x,
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window->size_hints.y,
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window->size_hints.width,
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window->size_hints.height);
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{
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MetaRectangle rect;
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rect.x = window->size_hints.x;
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rect.y = window->size_hints.y;
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rect.width = window->size_hints.width;
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rect.height = window->size_hints.height;
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adjust_for_gravity (window,
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TRUE,
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window->size_hints.win_gravity,
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&rect);
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meta_window_move_resize_internal (window,
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flags,
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window->size_hints.win_gravity,
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rect.x, rect.y, rect.width, rect.height);
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}
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}
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static void
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@ -1958,13 +2079,24 @@ meta_window_move_resize_request (MetaWindow *window,
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flags |= META_IS_RESIZE_ACTION;
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if (flags & (META_IS_MOVE_ACTION | META_IS_RESIZE_ACTION))
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meta_window_move_resize_internal (window,
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flags,
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gravity,
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x,
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y,
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width,
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height);
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{
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MetaRectangle rect;
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rect.x = x;
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rect.y = y;
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rect.width = width;
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rect.height = height;
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adjust_for_gravity (window,
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TRUE,
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window->size_hints.win_gravity,
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&rect);
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meta_window_move_resize_internal (window,
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flags,
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gravity,
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rect.x, rect.y, rect.width, rect.height);
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}
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/* window->user_rect exists to allow "snapping-back" the window if a
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* new strut is set (causing the window to move) and then the strut
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