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resize/unmap container x11 windows on demand (makes background images visible again)

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Michael Stapelberg 2010-11-14 18:52:40 +01:00
parent 510d1f78a1
commit 5d7344af8a
1 changed files with 27 additions and 4 deletions
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31
src/x.c
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@ -372,6 +372,7 @@ void x_draw_decoration(Con *con) {
static void x_push_node(Con *con) {
Con *current;
con_state *state;
Rect rect = con->rect;
LOG("Pushing changes for node %p / %s\n", con, con->name);
state = state_for_frame(con->frame);
@ -384,6 +385,28 @@ static void x_push_node(Con *con) {
FREE(state->name);
}
if (con->window == NULL) {
/* Calculate the height of all window decorations which will be drawn on to
* this frame. */
uint32_t max_y = 0, max_height = 0;
TAILQ_FOREACH(current, &(con->nodes_head), nodes) {
DLOG("Child's decoration is %d x %d, from (%d, %d)\n",
current->deco_rect.width, current->deco_rect.height,
current->deco_rect.x, current->deco_rect.y);
Rect *dr = &(current->deco_rect);
if (dr->y >= max_y && dr->height >= max_height) {
max_y = dr->y;
max_height = dr->height;
}
}
DLOG("bottom of decorations is %d\n", max_y + max_height);
rect.height = max_y + max_height;
if (rect.height == 0) {
DLOG("Unmapping container because it does not contain anything atm.\n");
con->mapped = false;
}
}
/* reparent the child window (when the window was moved due to a sticky
* container) */
if (state->need_reparent && con->window != NULL) {
@ -452,10 +475,10 @@ static void x_push_node(Con *con) {
bool fake_notify = false;
/* set new position if rect changed */
if (memcmp(&(state->rect), &(con->rect), sizeof(Rect)) != 0) {
LOG("setting rect (%d, %d, %d, %d)\n", con->rect.x, con->rect.y, con->rect.width, con->rect.height);
xcb_set_window_rect(conn, con->frame, con->rect);
memcpy(&(state->rect), &(con->rect), sizeof(Rect));
if (memcmp(&(state->rect), &rect, sizeof(Rect)) != 0) {
LOG("setting rect (%d, %d, %d, %d)\n", rect.x, rect.y, rect.width, rect.height);
xcb_set_window_rect(conn, con->frame, rect);
memcpy(&(state->rect), &rect, sizeof(Rect));
fake_notify = true;
}