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Finish forward-porting @acrisci's positioner work
This commit is contained in:
Drew DeVault
Guido Günther
parent
2e3d901ac5
commit
0a0627f5d0
4 changed files with 360 additions and 3 deletions
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@ -1608,6 +1608,268 @@ struct wlr_surface *wlr_xdg_surface_surface_at(
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return wlr_surface_surface_at(surface->surface, sx, sy, sub_x, sub_y);
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}
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void wlr_xdg_popup_get_anchor_point(struct wlr_xdg_popup *popup,
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int *root_sx, int *root_sy) {
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struct wlr_box rect = popup->positioner.anchor_rect;
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enum xdg_positioner_anchor anchor = popup->positioner.anchor;
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int sx = 0, sy = 0;
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if (anchor == XDG_POSITIONER_ANCHOR_NONE) {
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sx = (rect.x + rect.width) / 2;
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sy = (rect.y + rect.height) / 2;
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} else if (anchor == XDG_POSITIONER_ANCHOR_TOP) {
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sx = (rect.x + rect.width) / 2;
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sy = rect.y;
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} else if (anchor == XDG_POSITIONER_ANCHOR_BOTTOM) {
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sx = (rect.x + rect.width) / 2;
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sy = rect.y + rect.height;
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} else if (anchor == XDG_POSITIONER_ANCHOR_LEFT) {
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sx = rect.x;
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sy = (rect.y + rect.height) / 2;
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} else if (anchor == XDG_POSITIONER_ANCHOR_RIGHT) {
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sx = rect.x + rect.width;
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sy = (rect.y + rect.height) / 2;
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} else if (anchor == (XDG_POSITIONER_ANCHOR_TOP |
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XDG_POSITIONER_ANCHOR_LEFT)) {
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sx = rect.x;
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sy = rect.y;
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} else if (anchor == (XDG_POSITIONER_ANCHOR_TOP |
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XDG_POSITIONER_ANCHOR_RIGHT)) {
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sx = rect.x + rect.width;
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sy = rect.y;
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} else if (anchor == (XDG_POSITIONER_ANCHOR_BOTTOM |
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XDG_POSITIONER_ANCHOR_LEFT)) {
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sx = rect.x;
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sy = rect.y + rect.height;
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} else if (anchor == (XDG_POSITIONER_ANCHOR_BOTTOM |
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XDG_POSITIONER_ANCHOR_RIGHT)) {
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sx = rect.x + rect.width;
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sy = rect.y + rect.height;
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}
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*root_sx = sx;
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*root_sy = sy;
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}
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void wlr_xdg_popup_get_toplevel_coords(struct wlr_xdg_popup *popup,
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int popup_sx, int popup_sy, int *toplevel_sx, int *toplevel_sy) {
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assert(strcmp(popup->parent->role, wlr_desktop_xdg_toplevel_role) == 0
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|| strcmp(popup->parent->role, wlr_desktop_xdg_popup_role) == 0);
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struct wlr_xdg_surface *parent = popup->parent->role_data;
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while (parent != NULL && parent->role == WLR_XDG_SURFACE_ROLE_POPUP) {
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popup_sx += parent->popup->geometry.x;
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popup_sy += parent->popup->geometry.y;
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parent = parent->popup->parent->role_data;
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}
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assert(parent);
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*toplevel_sx = popup_sx + parent->geometry.x;
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*toplevel_sy = popup_sy + parent->geometry.y;
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}
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static void wlr_xdg_popup_box_constraints(struct wlr_xdg_popup *popup,
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struct wlr_box *toplevel_sx_box, int *offset_x, int *offset_y) {
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int popup_width = popup->geometry.width;
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int popup_height = popup->geometry.height;
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int anchor_sx = 0, anchor_sy = 0;
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wlr_xdg_popup_get_anchor_point(popup, &anchor_sx, &anchor_sy);
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int popup_sx = 0, popup_sy = 0;
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wlr_xdg_popup_get_toplevel_coords(popup, popup->geometry.x,
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popup->geometry.y, &popup_sx, &popup_sy);
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*offset_x = 0, *offset_y = 0;
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if (popup_sx < toplevel_sx_box->x) {
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*offset_x = toplevel_sx_box->x - popup_sx;
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} else if (popup_sx + popup_width >
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toplevel_sx_box->x + toplevel_sx_box->width) {
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*offset_x = toplevel_sx_box->x + toplevel_sx_box->width -
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(popup_sx + popup_width);
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}
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if (popup_sy < toplevel_sx_box->y) {
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*offset_y = toplevel_sx_box->y - popup_sy;
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} else if (popup_sy + popup_height >
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toplevel_sx_box->y + toplevel_sx_box->height) {
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*offset_y = toplevel_sx_box->y + toplevel_sx_box->height -
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(popup_sy + popup_height);
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}
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}
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static bool wlr_xdg_popup_unconstrain_flip(struct wlr_xdg_popup *popup,
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struct wlr_box *toplevel_sx_box) {
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int offset_x = 0, offset_y = 0;
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wlr_xdg_popup_box_constraints(popup, toplevel_sx_box,
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&offset_x, &offset_y);
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if (!offset_x && !offset_y) {
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return true;
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}
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bool flip_x = offset_x &&
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(popup->positioner.constraint_adjustment &
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XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_FLIP_X);
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bool flip_y = offset_y &&
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(popup->positioner.constraint_adjustment &
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XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_FLIP_Y);
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if (flip_x) {
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wlr_positioner_invert_x(&popup->positioner);
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}
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if (flip_y) {
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wlr_positioner_invert_y(&popup->positioner);
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}
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popup->geometry =
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wlr_xdg_positioner_get_geometry(&popup->positioner);
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wlr_xdg_popup_box_constraints(popup, toplevel_sx_box,
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&offset_x, &offset_y);
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if (!offset_x && !offset_y) {
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// no longer constrained
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return true;
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}
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// revert the positioner back if it didn't fix it and go to the next part
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if (flip_x) {
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wlr_positioner_invert_x(&popup->positioner);
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}
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if (flip_y) {
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wlr_positioner_invert_y(&popup->positioner);
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}
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popup->geometry =
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wlr_xdg_positioner_get_geometry(&popup->positioner);
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return false;
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}
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static bool wlr_xdg_popup_unconstrain_slide(struct wlr_xdg_popup *popup,
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struct wlr_box *toplevel_sx_box) {
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int offset_x = 0, offset_y = 0;
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wlr_xdg_popup_box_constraints(popup, toplevel_sx_box,
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&offset_x, &offset_y);
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if (!offset_x && !offset_y) {
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return true;
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}
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bool slide_x = offset_x &&
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(popup->positioner.constraint_adjustment &
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XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_SLIDE_X);
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bool slide_y = offset_x &&
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(popup->positioner.constraint_adjustment &
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XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_SLIDE_Y);
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if (slide_x) {
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popup->geometry.x += offset_x;
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}
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if (slide_y) {
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popup->geometry.y += offset_y;
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}
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int toplevel_x = 0, toplevel_y = 0;
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wlr_xdg_popup_get_toplevel_coords(popup, popup->geometry.x,
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popup->geometry.y, &toplevel_x, &toplevel_y);
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if (slide_x && toplevel_x < toplevel_sx_box->x) {
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popup->geometry.x += toplevel_sx_box->x - toplevel_x;
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}
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if (slide_y && toplevel_y < toplevel_sx_box->y) {
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popup->geometry.y += toplevel_sx_box->y - toplevel_y;
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}
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wlr_xdg_popup_box_constraints(popup, toplevel_sx_box,
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&offset_x, &offset_y);
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return !offset_x && !offset_y;
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}
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static bool wlr_xdg_popup_unconstrain_resize(struct wlr_xdg_popup *popup,
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struct wlr_box *toplevel_sx_box) {
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int offset_x, offset_y;
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wlr_xdg_popup_box_constraints(popup, toplevel_sx_box,
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&offset_x, &offset_y);
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if (!offset_x && !offset_y) {
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return true;
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}
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bool resize_x = offset_x &&
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(popup->positioner.constraint_adjustment &
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XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_RESIZE_X);
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bool resize_y = offset_x &&
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(popup->positioner.constraint_adjustment &
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XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_RESIZE_Y);
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if (resize_x) {
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popup->geometry.width -= offset_x;
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}
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if (resize_y) {
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popup->geometry.height -= offset_y;
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}
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wlr_xdg_popup_box_constraints(popup, toplevel_sx_box,
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&offset_y, &offset_y);
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return !offset_x && !offset_y;
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}
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void wlr_xdg_popup_unconstrain_from_box(struct wlr_xdg_popup *popup,
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struct wlr_box *toplevel_sx_box) {
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if (wlr_xdg_popup_unconstrain_flip(popup, toplevel_sx_box)) {
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return;
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}
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if (wlr_xdg_popup_unconstrain_slide(popup, toplevel_sx_box)) {
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return;
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}
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if (wlr_xdg_popup_unconstrain_resize(popup, toplevel_sx_box)) {
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return;
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}
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}
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void wlr_positioner_invert_x(struct wlr_xdg_positioner *positioner) {
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if (positioner->anchor & XDG_POSITIONER_ANCHOR_LEFT) {
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positioner->anchor &= ~XDG_POSITIONER_ANCHOR_LEFT;
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positioner->anchor |= XDG_POSITIONER_ANCHOR_RIGHT;
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} else if (positioner->anchor & XDG_POSITIONER_ANCHOR_RIGHT) {
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positioner->anchor &= ~XDG_POSITIONER_ANCHOR_RIGHT;
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positioner->anchor |= XDG_POSITIONER_ANCHOR_LEFT;
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}
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if (positioner->gravity & XDG_POSITIONER_GRAVITY_RIGHT) {
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positioner->gravity &= ~XDG_POSITIONER_GRAVITY_RIGHT;
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positioner->gravity |= XDG_POSITIONER_GRAVITY_LEFT;
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} else if (positioner->gravity & XDG_POSITIONER_GRAVITY_LEFT) {
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positioner->gravity &= ~XDG_POSITIONER_GRAVITY_LEFT;
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positioner->gravity |= XDG_POSITIONER_GRAVITY_RIGHT;
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}
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}
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void wlr_positioner_invert_y(
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struct wlr_xdg_positioner *positioner) {
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if (positioner->anchor & XDG_POSITIONER_ANCHOR_TOP) {
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positioner->anchor &= ~XDG_POSITIONER_ANCHOR_TOP;
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positioner->anchor |= XDG_POSITIONER_ANCHOR_BOTTOM;
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} else if (positioner->anchor & XDG_POSITIONER_ANCHOR_BOTTOM) {
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positioner->anchor &= ~XDG_POSITIONER_ANCHOR_BOTTOM;
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positioner->anchor |= XDG_POSITIONER_ANCHOR_TOP;
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}
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if (positioner->gravity & XDG_POSITIONER_GRAVITY_TOP) {
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positioner->gravity &= ~XDG_POSITIONER_GRAVITY_TOP;
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positioner->gravity |= XDG_POSITIONER_GRAVITY_BOTTOM;
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} else if (positioner->gravity & XDG_POSITIONER_GRAVITY_BOTTOM) {
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positioner->gravity &= ~XDG_POSITIONER_GRAVITY_BOTTOM;
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positioner->gravity |= XDG_POSITIONER_GRAVITY_TOP;
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}
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}
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struct xdg_surface_iterator_data {
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wlr_surface_iterator_func_t user_iterator;
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