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#include <wlc/wlc.h>
#include "focus.h"
#include "log.h"
#include "workspace.h"
#include "layout.h"
#include "config.h"
#include "input_state.h"
#include "ipc-server.h"
bool locked_container_focus = false;
bool locked_view_focus = false;
// switches parent focus to c. will switch it accordingly
static void update_focus(swayc_t *c) {
// Handle if focus switches
swayc_t *parent = c->parent;
if (!parent) return;
if (parent->focused != c) {
// Get previous focus
swayc_t *prev = parent->focused;
// Set new focus
parent->focused = c;
switch (c->type) {
// Shouldnt happen
case C_ROOT: return;
// Case where output changes
case C_OUTPUT:
wlc_output_focus(c->handle);
break;
// Case where workspace changes
case C_WORKSPACE:
if (prev) {
ipc_event_workspace(prev, c);
// update visibility of old workspace
update_visibility(prev);
destroy_workspace(prev);
}
// Update visibility of newly focused workspace
update_visibility(c);
break;
default:
case C_VIEW:
case C_CONTAINER:
// TODO whatever to do when container changes
// for example, stacked and tabbing change stuff.
break;
}
}
}
bool move_focus(enum movement_direction direction) {
swayc_t *old_view = get_focused_container(&root_container);
swayc_t *new_view = get_swayc_in_direction(old_view, direction);
if (!new_view) {
return false;
} else if (direction == MOVE_PARENT) {
return set_focused_container(new_view);
} else if (config->mouse_warping) {
swayc_t *old_op = old_view->type == C_OUTPUT ?
old_view : swayc_parent_by_type(old_view, C_OUTPUT);
swayc_t *focused = get_focused_view(new_view);
if (set_focused_container(focused)) {
if (old_op != swayc_active_output() && focused && focused->type == C_VIEW) {
center_pointer_on(focused);
}
return true;
}
} else {
return set_focused_container(get_focused_view(new_view));
}
return false;
}
swayc_t *get_focused_container(swayc_t *parent) {
if (!parent) {
return swayc_active_workspace();
}
// get focusde container
while (!parent->is_focused && parent->focused) {
parent = parent->focused;
}
return parent;
}
bool set_focused_container(swayc_t *c) {
if (locked_container_focus || !c || !c->parent) {
return false;
}
swayc_log(L_DEBUG, c, "Setting focus to %p:%ld", c, c->handle);
// Get workspace for c, get that workspaces current focused container.
swayc_t *workspace = swayc_active_workspace_for(c);
swayc_t *focused = get_focused_view(workspace);
// if the workspace we are changing focus to has a fullscreen view return
if (swayc_is_fullscreen(focused) && focused != c) {
return false;
}
// update container focus from here to root, making necessary changes along
// the way
swayc_t *p = c;
if (p->type != C_OUTPUT && p->type != C_ROOT) {
p->is_focused = true;
}
while (p != &root_container) {
update_focus(p);
p = p->parent;
p->is_focused = false;
}
// get new focused view and set focus to it.
p = get_focused_view(c);
if (p->type == C_VIEW && !(wlc_view_get_type(p->handle) & WLC_BIT_POPUP)) {
// unactivate previous focus
if (focused->type == C_VIEW) {
wlc_view_set_state(focused->handle, WLC_BIT_ACTIVATED, false);
}
// activate current focus
if (p->type == C_VIEW) {
wlc_view_set_state(p->handle, WLC_BIT_ACTIVATED, true);
// set focus if view_focus is unlocked
if (!locked_view_focus) {
wlc_view_focus(p->handle);
}
}
}
return true;
}
bool set_focused_container_for(swayc_t *a, swayc_t *c) {
if (locked_container_focus || !c) {
return false;
}
swayc_t *find = c;
// Ensure that a is an ancestor of c
while (find != a && (find = find->parent)) {
if (find == &root_container) {
return false;
}
}
// Get workspace for c, get that workspaces current focused container.
swayc_t *workspace = swayc_active_workspace_for(c);
swayc_t *focused = get_focused_view(workspace);
// if the workspace we are changing focus to has a fullscreen view return
if (swayc_is_fullscreen(focused) && c != focused) {
return false;
}
// Check if we changing a parent container that will see chnage
bool effective = true;
while (find != &root_container) {
if (find->parent->focused != find) {
effective = false;
}
find = find->parent;
}
if (effective) {
// Go to set_focused_container
return set_focused_container(c);
}
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;
}
return true;
}
swayc_t *get_focused_view(swayc_t *parent) {
swayc_t *c = parent;
while (c && c->type != C_VIEW) {
if (c->type == C_WORKSPACE && c->focused == NULL) {
return c;
}
c = c->focused;
}
if (c == NULL) {
c = swayc_active_workspace_for(parent);
}
return c;
}
swayc_t *get_focused_float(swayc_t *ws) {
if(!sway_assert(ws->type == C_WORKSPACE, "must be of workspace type")) {
ws = swayc_active_workspace();
}
if (ws->floating->length) {
return ws->floating->items[ws->floating->length - 1];
}
return NULL;
}
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