xdg-positioner wlr abstractions
This commit is contained in:
Tony Crisci
parent
c5cd805098
commit
dbffda7549
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@ -302,18 +302,45 @@ struct wlr_xdg_surface_v6 *wlr_xdg_surface_v6_popup_at(
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struct wlr_xdg_surface_v6 *surface, double sx, double sy,
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double *popup_sx, double *popup_sy);
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/**
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* Get the geometry for this positioner based on the anchor rect, gravity, and
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* size of this positioner.
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*/
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struct wlr_box wlr_xdg_positioner_v6_get_geometry(
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struct wlr_xdg_positioner_v6_attributes *positioner);
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/**
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* Get the anchor point for this popup in the root parent's coordinate system.
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* Get the anchor point for this popup in the toplevel parent's coordinate system.
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*/
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void wlr_xdg_popup_v6_get_anchor_point(struct wlr_xdg_popup_v6 *popup,
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int *root_sx, int *root_sy);
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int *toplevel_sx, int *toplevel_sy);
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/**
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* Convert the given coordinates in the popup coordinate system to the toplevel
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* surface coordinate system.
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*/
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void wlr_xdg_popup_v6_get_toplevel_coords(struct wlr_xdg_popup_v6 *popup,
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int popup_sx, int popup_sy, int *toplevel_sx, int *toplevel_sy);
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/**
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* Set the geometry of this popup to unconstrain it according to its
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* xdg-positioner rules. The box should be in the popup's toplevel
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* parent surface coordinate system.
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*/
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void wlr_xdg_popup_v6_unconstrain_from_box(struct wlr_xdg_popup_v6 *popup,
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struct wlr_box *toplevel_box);
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/**
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Invert the right/left anchor and gravity for this positioner. This can be
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used to "flip" the positioner around the anchor rect in the x direction.
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*/
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void wlr_positioner_v6_invert_x(
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struct wlr_xdg_positioner_v6_attributes *positioner);
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/**
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Invert the top/bottom anchor and gravity for this positioner. This can be
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used to "flip" the positioner around the anchor rect in the y direction.
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*/
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void wlr_positioner_v6_invert_y(
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struct wlr_xdg_positioner_v6_attributes *positioner);
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@ -50,34 +50,17 @@ static void popup_handle_new_popup(struct wl_listener *listener, void *data) {
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popup_create(popup->view_child.view, wlr_popup);
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}
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static void popup_get_coords(struct wlr_xdg_popup_v6 *popup,
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double *sx, double *sy) {
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struct wlr_xdg_surface_v6 *parent = popup->parent;
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double popup_sx = popup->geometry.x;
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double popup_sy = popup->geometry.y;
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while (parent->role != WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
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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;
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}
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*sx = popup_sx + parent->geometry.x;
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*sy = popup_sy + parent->geometry.y;
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}
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static void popup_constraint_offset(struct roots_xdg_popup_v6 *popup,
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int *offset_x, int *offset_y) {
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static void popup_unconstrain(struct roots_xdg_popup_v6 *popup) {
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struct roots_view *view = popup->view_child.view;
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struct wlr_output_layout *layout = view->desktop->layout;
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struct wlr_xdg_popup_v6 *wlr_popup = popup->wlr_popup;
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int popup_width = wlr_popup->geometry.width;
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int popup_height = wlr_popup->geometry.height;
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int anchor_lx, anchor_ly;
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wlr_xdg_popup_v6_get_anchor_point(wlr_popup, &anchor_lx, &anchor_ly);
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double popup_lx, popup_ly;
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popup_get_coords(wlr_popup, &popup_lx, &popup_ly);
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int popup_lx, popup_ly;
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wlr_xdg_popup_v6_get_toplevel_coords(wlr_popup, wlr_popup->geometry.x,
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wlr_popup->geometry.y, &popup_lx, &popup_ly);
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popup_lx += view->x;
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popup_ly += view->y;
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@ -93,108 +76,17 @@ static void popup_constraint_offset(struct roots_xdg_popup_v6 *popup,
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// XXX: handle empty output layout
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assert(output);
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struct wlr_box *output_box = wlr_output_layout_get_box(layout, output);
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int width = 0, height = 0;
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wlr_output_effective_resolution(output, &width, &height);
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*offset_x = *offset_y = 0;
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struct wlr_box toplevel_box = {
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.x = output->lx - view->x,
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.y = output->ly - view->y,
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.width = width,
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.height = height
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};
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if (popup_lx < output_box->x) {
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*offset_x = output_box->x - popup_lx;
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} else if (popup_lx + popup_width > output_box->x + output_box->width) {
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*offset_x = output_box->x + output_box->width - (popup_lx + popup_width);
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}
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if (popup_ly < output_box->y) {
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*offset_y = output_box->y - popup_ly;
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} else if (popup_ly + popup_height > output_box->y + output_box->height) {
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*offset_y = output_box->y + output_box->height - (popup_ly + popup_height);
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}
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}
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static bool popup_unconstrain_flip(struct roots_xdg_popup_v6 *popup) {
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int offset_x, offset_y;
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popup_constraint_offset(popup, &offset_y, &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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if (offset_x) {
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wlr_positioner_v6_invert_x(&popup->wlr_popup->positioner);
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}
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if (offset_y) {
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wlr_positioner_v6_invert_y(&popup->wlr_popup->positioner);
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}
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popup->wlr_popup->geometry =
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wlr_xdg_positioner_v6_get_geometry(&popup->wlr_popup->positioner);
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popup_constraint_offset(popup, &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 (offset_x) {
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wlr_positioner_v6_invert_x(&popup->wlr_popup->positioner);
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}
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if (offset_y) {
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wlr_positioner_v6_invert_y(&popup->wlr_popup->positioner);
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}
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popup->wlr_popup->geometry =
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wlr_xdg_positioner_v6_get_geometry(&popup->wlr_popup->positioner);
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return false;
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}
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static bool popup_unconstrain_slide(struct roots_xdg_popup_v6 *popup) {
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int offset_x, offset_y;
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popup_constraint_offset(popup, &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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if (offset_x) {
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popup->wlr_popup->geometry.x += offset_x;
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}
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if (offset_y) {
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popup->wlr_popup->geometry.y += offset_y;
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}
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popup_constraint_offset(popup, &offset_y, &offset_y);
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return !offset_x && !offset_y;
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}
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static bool popup_unconstrain_resize(struct roots_xdg_popup_v6 *popup) {
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int offset_x, offset_y;
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popup_constraint_offset(popup, &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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if (offset_x) {
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popup->wlr_popup->geometry.width -= offset_x;
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}
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if (offset_y) {
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popup->wlr_popup->geometry.height -= offset_y;
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}
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popup_constraint_offset(popup, &offset_y, &offset_y);
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return !offset_x && !offset_y;
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}
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static void popup_unconstrain(struct roots_xdg_popup_v6 *popup) {
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popup_unconstrain_flip(popup);
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popup_unconstrain_slide(popup);
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popup_unconstrain_resize(popup);
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wlr_xdg_popup_v6_unconstrain_from_box(popup->wlr_popup, &toplevel_box);
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}
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static struct roots_xdg_popup_v6 *popup_create(struct roots_view *view,
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@ -1674,48 +1674,133 @@ void wlr_xdg_popup_v6_get_anchor_point(struct wlr_xdg_popup_v6 *popup,
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*root_sx = sx;
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*root_sy = sy;
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/*
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// XXX: THIS IS WILL WORK WITH XDG SHELL STABLE
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switch (popup->positioner.anchor) {
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case WLR_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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break;
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case WLR_POSITIONER_ANCHOR_TOP:
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sx = (rect.x + rect.width) / 2;
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sy = rect.y;
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break;
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case WLR_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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break;
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case WLR_POSITIONER_ANCHOR_LEFT:
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sx = rect.x;
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sy = (rect.y + rect.height) / 2;
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break;
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case WLR_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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break;
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case WLR_POSITIONER_ANCHOR_TOP_LEFT:
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sx = rect.x;
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sy = rect.y;
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break;
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case WLR_POSITIONER_ANCHOR_BOTTOM_LEFT:
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sx = rect.x;
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sy = rect.y + rect.height;
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break;
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case WLR_POSITIONER_ANCHOR_TOP_RIGHT:
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sx = rect.x + rect.width;
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sy = rect.y;
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break;
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case WLR_POSITIONER_ANCHOR_BOTTOM_RIGHT:
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sx = rect.x + rect.width;
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sy = rect.y + rect.height;
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break;
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}
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*/
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void wlr_xdg_popup_v6_get_toplevel_coords(struct wlr_xdg_popup_v6 *popup,
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int popup_sx, int popup_sy, int *toplevel_sx, int *toplevel_sy) {
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struct wlr_xdg_surface_v6 *parent = popup->parent;
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while (parent->role != WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
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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;
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}
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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_v6_box_constraints(struct wlr_xdg_popup_v6 *popup,
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struct wlr_box *toplevel_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_v6_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_v6_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_box->x) {
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*offset_x = toplevel_box->x - popup_sx;
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} else if (popup_sx + popup_width > toplevel_box->x + toplevel_box->width) {
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*offset_x = toplevel_box->x + toplevel_box->width - (popup_sx + popup_width);
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}
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if (popup_sy < toplevel_box->y) {
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*offset_y = toplevel_box->y - popup_sy;
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} else if (popup_sy + popup_height > toplevel_box->y + toplevel_box->height) {
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*offset_y = toplevel_box->y + toplevel_box->height - (popup_sy + popup_height);
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}
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}
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static bool wlr_xdg_popup_v6_unconstrain_flip(struct wlr_xdg_popup_v6 *popup,
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struct wlr_box *toplevel_box) {
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int offset_x = 0, offset_y = 0;
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wlr_xdg_popup_v6_box_constraints(popup, toplevel_box, &offset_y, &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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if (offset_x) {
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wlr_positioner_v6_invert_x(&popup->positioner);
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}
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if (offset_y) {
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wlr_positioner_v6_invert_y(&popup->positioner);
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}
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popup->geometry =
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wlr_xdg_positioner_v6_get_geometry(&popup->positioner);
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wlr_xdg_popup_v6_box_constraints(popup, toplevel_box, &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 (offset_x) {
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wlr_positioner_v6_invert_x(&popup->positioner);
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}
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if (offset_y) {
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wlr_positioner_v6_invert_y(&popup->positioner);
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}
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popup->geometry =
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wlr_xdg_positioner_v6_get_geometry(&popup->positioner);
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return false;
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}
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static bool wlr_xdg_popup_v6_unconstrain_slide(struct wlr_xdg_popup_v6 *popup,
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struct wlr_box *toplevel_box) {
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int offset_x, offset_y;
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wlr_xdg_popup_v6_box_constraints(popup, toplevel_box, &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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if (offset_x) {
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popup->geometry.x += offset_x;
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}
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if (offset_y) {
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popup->geometry.y += offset_y;
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}
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wlr_xdg_popup_v6_box_constraints(popup, toplevel_box, &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_v6_unconstrain_resize(struct wlr_xdg_popup_v6 *popup,
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struct wlr_box *toplevel_box) {
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int offset_x, offset_y;
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wlr_xdg_popup_v6_box_constraints(popup, toplevel_box, &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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if (offset_x) {
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popup->geometry.width -= offset_x;
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}
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if (offset_y) {
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popup->geometry.height -= offset_y;
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}
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wlr_xdg_popup_v6_box_constraints(popup, toplevel_box, &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_v6_unconstrain_from_box(struct wlr_xdg_popup_v6 *popup,
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struct wlr_box *toplevel_box) {
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wlr_xdg_popup_v6_unconstrain_flip(popup, toplevel_box);
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wlr_xdg_popup_v6_unconstrain_slide(popup, toplevel_box);
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}
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void wlr_positioner_v6_invert_x(struct wlr_xdg_positioner_v6_attributes *positioner) {
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