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xdg-positioner wlr abstractions

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This commit is contained in:
Tony Crisci 2018-03-28 16:27:08 -04:00
parent c5cd805098
commit dbffda7549
3 changed files with 167 additions and 163 deletions
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134
rootston/xdg_shell_v6.c
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@ -50,34 +50,17 @@ static void popup_handle_new_popup(struct wl_listener *listener, void *data) {
popup_create(popup->view_child.view, wlr_popup);
}
static void popup_get_coords(struct wlr_xdg_popup_v6 *popup,
double *sx, double *sy) {
struct wlr_xdg_surface_v6 *parent = popup->parent;
double popup_sx = popup->geometry.x;
double popup_sy = popup->geometry.y;
while (parent->role != WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
popup_sx += parent->popup->geometry.x;
popup_sy += parent->popup->geometry.y;
parent = parent->popup->parent;
}
*sx = popup_sx + parent->geometry.x;
*sy = popup_sy + parent->geometry.y;
}
static void popup_constraint_offset(struct roots_xdg_popup_v6 *popup,
int *offset_x, int *offset_y) {
static void popup_unconstrain(struct roots_xdg_popup_v6 *popup) {
struct roots_view *view = popup->view_child.view;
struct wlr_output_layout *layout = view->desktop->layout;
struct wlr_xdg_popup_v6 *wlr_popup = popup->wlr_popup;
int popup_width = wlr_popup->geometry.width;
int popup_height = wlr_popup->geometry.height;
int anchor_lx, anchor_ly;
wlr_xdg_popup_v6_get_anchor_point(wlr_popup, &anchor_lx, &anchor_ly);
double popup_lx, popup_ly;
popup_get_coords(wlr_popup, &popup_lx, &popup_ly);
int popup_lx, popup_ly;
wlr_xdg_popup_v6_get_toplevel_coords(wlr_popup, wlr_popup->geometry.x,
wlr_popup->geometry.y, &popup_lx, &popup_ly);
popup_lx += view->x;
popup_ly += view->y;
@ -93,108 +76,17 @@ static void popup_constraint_offset(struct roots_xdg_popup_v6 *popup,
// XXX: handle empty output layout
assert(output);
struct wlr_box *output_box = wlr_output_layout_get_box(layout, output);
int width = 0, height = 0;
wlr_output_effective_resolution(output, &width, &height);
*offset_x = *offset_y = 0;
struct wlr_box toplevel_box = {
.x = output->lx - view->x,
.y = output->ly - view->y,
.width = width,
.height = height
};
if (popup_lx < output_box->x) {
*offset_x = output_box->x - popup_lx;
} else if (popup_lx + popup_width > output_box->x + output_box->width) {
*offset_x = output_box->x + output_box->width - (popup_lx + popup_width);
}
if (popup_ly < output_box->y) {
*offset_y = output_box->y - popup_ly;
} else if (popup_ly + popup_height > output_box->y + output_box->height) {
*offset_y = output_box->y + output_box->height - (popup_ly + popup_height);
}
}
static bool popup_unconstrain_flip(struct roots_xdg_popup_v6 *popup) {
int offset_x, offset_y;
popup_constraint_offset(popup, &offset_y, &offset_y);
if (!offset_x && !offset_y) {
return true;
}
if (offset_x) {
wlr_positioner_v6_invert_x(&popup->wlr_popup->positioner);
}
if (offset_y) {
wlr_positioner_v6_invert_y(&popup->wlr_popup->positioner);
}
popup->wlr_popup->geometry =
wlr_xdg_positioner_v6_get_geometry(&popup->wlr_popup->positioner);
popup_constraint_offset(popup, &offset_x, &offset_y);
if (!offset_x && !offset_y) {
// no longer constrained
return true;
}
// revert the positioner back if it didn't fix it and go to the next part
if (offset_x) {
wlr_positioner_v6_invert_x(&popup->wlr_popup->positioner);
}
if (offset_y) {
wlr_positioner_v6_invert_y(&popup->wlr_popup->positioner);
}
popup->wlr_popup->geometry =
wlr_xdg_positioner_v6_get_geometry(&popup->wlr_popup->positioner);
return false;
}
static bool popup_unconstrain_slide(struct roots_xdg_popup_v6 *popup) {
int offset_x, offset_y;
popup_constraint_offset(popup, &offset_x, &offset_y);
if (!offset_x && !offset_y) {
return true;
}
if (offset_x) {
popup->wlr_popup->geometry.x += offset_x;
}
if (offset_y) {
popup->wlr_popup->geometry.y += offset_y;
}
popup_constraint_offset(popup, &offset_y, &offset_y);
return !offset_x && !offset_y;
}
static bool popup_unconstrain_resize(struct roots_xdg_popup_v6 *popup) {
int offset_x, offset_y;
popup_constraint_offset(popup, &offset_x, &offset_y);
if (!offset_x && !offset_y) {
return true;
}
if (offset_x) {
popup->wlr_popup->geometry.width -= offset_x;
}
if (offset_y) {
popup->wlr_popup->geometry.height -= offset_y;
}
popup_constraint_offset(popup, &offset_y, &offset_y);
return !offset_x && !offset_y;
}
static void popup_unconstrain(struct roots_xdg_popup_v6 *popup) {
popup_unconstrain_flip(popup);
popup_unconstrain_slide(popup);
popup_unconstrain_resize(popup);
wlr_xdg_popup_v6_unconstrain_from_box(popup->wlr_popup, &toplevel_box);
}
static struct roots_xdg_popup_v6 *popup_create(struct roots_view *view,