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Merge branch 'wayland-popup-anchor' into 'main'

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wayland: Comply with protocol requirements

See merge request GNOME/gtk!5723
This commit is contained in:
Matthias Clasen 2023-03-28 15:36:34 +00:00
commit ea572227f0
1 changed files with 31 additions and 4 deletions
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35
gdk/wayland/gdkpopup-wayland.c
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@ -748,6 +748,8 @@ create_dynamic_positioner (GdkWaylandPopup *wayland_popup,
GdkRectangle geometry;
uint32_t constraint_adjustment = ZXDG_POSITIONER_V6_CONSTRAINT_ADJUSTMENT_NONE;
const GdkRectangle *anchor_rect;
int anchor_rect_x, anchor_rect_y;
int anchor_rect_x2, anchor_rect_y2;
int real_anchor_rect_x, real_anchor_rect_y;
int anchor_rect_width, anchor_rect_height;
int rect_anchor_dx;
@ -776,11 +778,36 @@ create_dynamic_positioner (GdkWaylandPopup *wayland_popup,
gdk_wayland_surface_get_window_geometry (surface->parent, &parent_geometry);
anchor_rect = gdk_popup_layout_get_anchor_rect (layout);
real_anchor_rect_x = anchor_rect->x - parent_geometry.x;
real_anchor_rect_y = anchor_rect->y - parent_geometry.y;
anchor_rect_width = MAX (anchor_rect->width, 1);
anchor_rect_height = MAX (anchor_rect->height, 1);
/* Wayland protocol requires that the anchor rect is specified
* wrt. to the parent geometry, and that it is non-empty and
* contained in the parent geometry.
*/
anchor_rect_x = anchor_rect->x - parent_geometry.x;
anchor_rect_y = anchor_rect->y - parent_geometry.y;
anchor_rect_x2 = anchor_rect_x + anchor_rect->width;
anchor_rect_y2 = anchor_rect_y + anchor_rect->height;
anchor_rect_x = CLAMP (anchor_rect_x, 0, parent_geometry.width - 1);
anchor_rect_y = CLAMP (anchor_rect_y, 0, parent_geometry.height - 1);
anchor_rect_x2 = CLAMP (anchor_rect_x, 0, parent_geometry.width - 1);
anchor_rect_y2 = CLAMP (anchor_rect_y, 0, parent_geometry.height - 1);
if (anchor_rect_x2 <= anchor_rect_x || anchor_rect_y2 <= anchor_rect_y)
{
/* Somebody gave a bad anchor rect. Just make something up */
real_anchor_rect_x = 0;
real_anchor_rect_y = 0;
anchor_rect_width = 1;
anchor_rect_height = 1;
}
else
{
real_anchor_rect_x = anchor_rect_x;
real_anchor_rect_y = anchor_rect_y;
anchor_rect_width = anchor_rect_x2 - anchor_rect_x;
anchor_rect_height = anchor_rect_y2 - anchor_rect_y;
}
gdk_popup_layout_get_offset (layout, &rect_anchor_dx, &rect_anchor_dy);