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#include <wlc/wlc.h>
#include "focus.h"
#include "log.h"
#include "workspace.h"
bool locked_container_focus = false;
bool locked_view_focus = false;
//switches parent focus to c. will switch it accordingly
//TODO, everything needs a handle, so we can set front/back position properly
static void update_focus(swayc_t *c) {
//Handle if focus switches
swayc_t *parent = c->parent;
if (parent->focused != c) {
switch (c->type) {
case C_ROOT: return;
case C_OUTPUT:
wlc_output_focus(c->parent->handle);
break;
//switching workspaces
case C_WORKSPACE:
if (parent->focused) {
swayc_t *ws = parent->focused;
//hide visibility of old workspace
uint32_t mask = 1;
container_map(ws, set_view_visibility, &mask);
//set visibility of new workspace
mask = 2;
container_map(c, set_view_visibility, &mask);
wlc_output_set_mask(parent->handle, 2);
destroy_workspace(ws);
}
active_workspace = c;
break;
case C_VIEW:
case C_CONTAINER:
//TODO whatever to do when container changes
//for example, stacked and tabbing change whatever.
break;
}
}
c->parent->focused = c;
}
bool move_focus(enum movement_direction direction) {
if (locked_container_focus) {
return false;
}
swayc_t *current = get_focused_container(&root_container);
swayc_t *parent = current->parent;
if (direction == MOVE_PARENT) {
if (parent->type == C_OUTPUT) {
sway_log(L_DEBUG, "Focus cannot move to parent");
return false;
} else {
sway_log(L_DEBUG, "Moving focus from %p:%ld to %p:%ld",
current, current->handle, parent, parent->handle);
set_focused_container(parent);
return true;
}
}
while (true) {
sway_log(L_DEBUG, "Moving focus away from %p", current);
// Test if we can even make a difference here
bool can_move = false;
int diff = 0;
if (direction == MOVE_LEFT || direction == MOVE_RIGHT) {
if (parent->layout == L_HORIZ || parent->type == C_ROOT) {
can_move = true;
diff = direction == MOVE_LEFT ? -1 : 1;
}
} else {
if (parent->layout == L_VERT) {
can_move = true;
diff = direction == MOVE_UP ? -1 : 1;
}
}
sway_log(L_DEBUG, "Can move? %s", can_move ? "yes" : "no");
if (can_move) {
int i;
for (i = 0; i < parent->children->length; ++i) {
swayc_t *child = parent->children->items[i];
if (child == current) {
break;
}
}
int desired = i + diff;
sway_log(L_DEBUG, "Moving from %d to %d", i, desired);
if (desired < 0 || desired >= parent->children->length) {
can_move = false;
} else {
swayc_t *newview = parent->children->items[desired];
set_focused_container(get_focused_view(newview));
return true;
}
}
if (!can_move) {
sway_log(L_DEBUG, "Can't move at current level, moving up tree");
current = parent;
parent = parent->parent;
if (!parent) {
// Nothing we can do
return false;
}
}
}
}
swayc_t *get_focused_container(swayc_t *parent) {
while (parent && !parent->is_focused) {
parent = parent->focused;
}
return parent;
}
void set_focused_container(swayc_t *c) {
if (locked_container_focus || !c) {
return;
}
sway_log(L_DEBUG, "Setting focus to %p:%ld", c, c->handle);
if (c->type != C_ROOT && c->type != C_OUTPUT) {
c->is_focused = true;
}
swayc_t *prev_view = get_focused_view(&root_container);
swayc_t *p = c;
while (p != &root_container) {
update_focus(p);
p = p->parent;
p->is_focused = false;
}
if (!locked_view_focus) {
p = get_focused_view(c);
//Set focus to p
if (p && p != prev_view && !(wlc_view_get_type(p->handle) & WLC_BIT_POPUP)) {
if (prev_view) {
wlc_view_set_state(prev_view->handle, WLC_BIT_ACTIVATED, false);
}
wlc_view_focus(p->handle);
wlc_view_set_state(p->handle, WLC_BIT_ACTIVATED, true);
}
}
}
void set_focused_container_for(swayc_t *a, swayc_t *c) {
if (locked_container_focus || !c) {
return;
}
swayc_t *find = c;
//Ensure that a is an ancestor of c
while (find != a && (find = find->parent)) {
if (find == &root_container) {
return;
}
}
sway_log(L_DEBUG, "Setting focus for %p:%ld to %p:%ld",
a, a->handle, c, c->handle);
c->is_focused = true;
swayc_t *p = c;
while (p != a) {
update_focus(p);
p = p->parent;
p->is_focused = false;
}
if (!locked_view_focus) {
p = get_focused_view(c);
//Set focus to p
if (p) {
wlc_view_focus(p->handle);
wlc_view_set_state(p->handle, WLC_BIT_ACTIVATED, true);
}
}
}
swayc_t *get_focused_view(swayc_t *parent) {
while (parent && parent->type != C_VIEW) {
parent = parent->focused;
}
return parent;
}
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