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compositor: simple menu transform

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Transform a menu popup the same as its parent surface.

The parent's transformation is snapshotted at the popup map() time, and
does not follow further parent motion.

Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>
This commit is contained in:
Pekka Paalanen 2012-02-07 14:19:01 +02:00
parent 44ab69cfa3
commit 938269af21
1 changed files with 17 additions and 2 deletions
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19
src/shell.c
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@ -103,6 +103,7 @@ struct shell_surface {
struct wl_grab grab;
uint32_t time;
int32_t x, y;
struct weston_transform parent_transform;
int32_t initial_up;
} popup;
@ -521,8 +522,22 @@ shell_map_popup(struct shell_surface *shsurf, uint32_t time)
shsurf->popup.grab.interface = &popup_grab_interface;
device = es->compositor->input_device;
es->geometry.x = shsurf->parent->surface->geometry.x + shsurf->popup.x;
es->geometry.y = shsurf->parent->surface->geometry.y + shsurf->popup.y;
weston_surface_update_transform(parent);
if (parent->transform.enabled) {
shsurf->popup.parent_transform.matrix =
parent->transform.matrix;
} else {
/* construct x, y translation matrix */
weston_matrix_init(&shsurf->popup.parent_transform.matrix);
shsurf->popup.parent_transform.matrix.d[12] =
parent->geometry.x;
shsurf->popup.parent_transform.matrix.d[13] =
parent->geometry.y;
}
wl_list_insert(es->geometry.transformation_list.prev,
&shsurf->popup.parent_transform.link);
es->geometry.x = shsurf->popup.x;
es->geometry.y = shsurf->popup.y;
es->geometry.dirty = 1;
shsurf->popup.grab.input_device = device;