swayfx/sway/focus.c
2015-08-19 20:29:24 -07:00

178 lines
4.2 KiB
C

#include <wlc/wlc.h>
#include "focus.h"
#include "log.h"
#include "workspace.h"
#include "layout.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) {
// Shouldnt happen
case C_ROOT: return;
// Case where output changes
case C_OUTPUT:
wlc_output_focus(c->handle);
//Set new workspace to the outputs focused workspace
active_workspace = c->focused;
break;
// Case where workspace changes
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);
c->parent->focused = c;
destroy_workspace(ws);
}
active_workspace = c;
break;
default:
case C_VIEW:
case C_CONTAINER:
// TODO whatever to do when container changes
// for example, stacked and tabbing change stuff.
break;
}
}
c->parent->focused = c;
}
bool move_focus(enum movement_direction direction) {
swayc_t *view = get_swayc_in_direction(
get_focused_container(&root_container), direction);
if (view) {
if (direction == MOVE_PARENT) {
set_focused_container(view);
} else {
set_focused_container(get_focused_view(view));
}
return true;
}
return false;
}
swayc_t *get_focused_container(swayc_t *parent) {
while (parent && !parent->is_focused) {
parent = parent->focused;
}
// just incase
if (parent == NULL) {
sway_log(L_DEBUG, "get_focused_container unable to find container");
return active_workspace;
}
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);
// Find previous focused view, and the new focused view, if they are the same return
swayc_t *focused = get_focused_view(&root_container);
swayc_t *workspace = active_workspace;
// 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;
}
// if the workspace is the same, and previous focus is fullscreen, dont
// change focus
if (workspace == active_workspace
&& wlc_view_get_state(focused->handle) & WLC_BIT_FULLSCREEN) {
return;
}
// 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);
}
}
}
}
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;
}
}
// 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
set_focused_container(c);
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;
}
}
swayc_t *get_focused_view(swayc_t *parent) {
while (parent && parent->type != C_VIEW) {
if (parent->type == C_WORKSPACE && parent->focused == NULL) {
return parent;
}
parent = parent->focused;
}
if (parent == NULL) {
return active_workspace;
}
return parent;
}