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#include <xkbcommon/xkbcommon.h>
#include <stdlib.h>
#include <stdbool.h>
#include <math.h>
#include <wlc/wlc.h>
#include <ctype.h>
#include "handlers.h"
#include "log.h"
#include "layout.h"
#include "config.h"
#include "commands.h"
#include "stringop.h"
#include "workspace.h"
#include "container.h"
#include "focus.h"
#include "input_state.h"
#include "resize.h"
// Event should be sent to client
#define EVENT_PASSTHROUGH false
// Event handled by sway and should not be sent to client
#define EVENT_HANDLED true
static bool pointer_test(swayc_t *view, void *_origin) {
const struct mouse_origin *origin = _origin;
// Determine the output that the view is under
swayc_t *parent = swayc_parent_by_type(view, C_OUTPUT);
if (origin->x >= view->x && origin->y >= view->y
&& origin->x < view->x + view->width && origin->y < view->y + view->height
&& view->visible && parent == root_container.focused) {
return true;
}
return false;
}
swayc_t *container_under_pointer(void) {
// root.output->workspace
if (!root_container.focused || !root_container.focused->focused) {
return NULL;
}
swayc_t *lookup = root_container.focused->focused;
// Case of empty workspace
if (lookup->children == 0) {
return NULL;
}
while (lookup->type != C_VIEW) {
int i;
int len;
// if tabbed/stacked go directly to focused container, otherwise search
// children
if (lookup->layout == L_TABBED || lookup->layout == L_STACKED) {
lookup = lookup->focused;
continue;
}
// if workspace, search floating
if (lookup->type == C_WORKSPACE) {
i = len = lookup->floating->length;
bool got_floating = false;
while (--i > -1) {
if (pointer_test(lookup->floating->items[i], &pointer_state.origin)) {
lookup = lookup->floating->items[i];
got_floating = true;
break;
}
}
if (got_floating) {
continue;
}
}
// search children
len = lookup->children->length;
for (i = 0; i < len; ++i) {
if (pointer_test(lookup->children->items[i], &pointer_state.origin)) {
lookup = lookup->children->items[i];
break;
}
}
// when border and titles are done, this could happen
if (i == len) {
break;
}
}
return lookup;
}
/* Handles */
static bool handle_output_created(wlc_handle output) {
swayc_t *op = new_output(output);
if (!op) {
return false;
}
// Switch to workspace if we need to
if (swayc_active_workspace() == NULL) {
swayc_t *ws = op->children->items[0];
workspace_switch(ws);
}
return true;
}
static void handle_output_destroyed(wlc_handle output) {
int i;
list_t *list = root_container.children;
for (i = 0; i < list->length; ++i) {
if (((swayc_t *)list->items[i])->handle == output) {
break;
}
}
if (i < list->length) {
destroy_output(list->items[i]);
} else {
return;
}
if (list->length > 0) {
// switch to other outputs active workspace
workspace_switch(((swayc_t *)root_container.children->items[0])->focused);
}
}
static void handle_output_resolution_change(wlc_handle output, const struct wlc_size *from, const struct wlc_size *to) {
sway_log(L_DEBUG, "Output %u resolution changed to %d x %d", (unsigned int)output, to->w, to->h);
swayc_t *c = swayc_by_handle(output);
if (!c) return;
c->width = to->w;
c->height = to->h;
arrange_windows(&root_container, -1, -1);
}
static void handle_output_focused(wlc_handle output, bool focus) {
swayc_t *c = swayc_by_handle(output);
// if for some reason this output doesnt exist, create it.
if (!c) {
handle_output_created(output);
}
if (focus) {
set_focused_container(c);
}
}
static bool handle_view_created(wlc_handle handle) {
// if view is child of another view, the use that as focused container
wlc_handle parent = wlc_view_get_parent(handle);
swayc_t *focused = NULL;
swayc_t *newview = NULL;
// Get parent container, to add view in
if (parent) {
focused = swayc_by_handle(parent);
}
if (!focused || focused->type == C_OUTPUT) {
focused = get_focused_container(&root_container);
}
sway_log(L_DEBUG, "handle:%ld type:%x state:%x parent:%ld "
"mask:%d (x:%d y:%d w:%d h:%d) title:%s "
"class:%s appid:%s",
handle, wlc_view_get_type(handle), wlc_view_get_state(handle), parent,
wlc_view_get_mask(handle), wlc_view_get_geometry(handle)->origin.x,
wlc_view_get_geometry(handle)->origin.y,wlc_view_get_geometry(handle)->size.w,
wlc_view_get_geometry(handle)->size.h, wlc_view_get_title(handle),
wlc_view_get_class(handle), wlc_view_get_app_id(handle));
// TODO properly figure out how each window should be handled.
switch (wlc_view_get_type(handle)) {
// regular view created regularly
case 0:
newview = new_view(focused, handle);
wlc_view_set_state(handle, WLC_BIT_MAXIMIZED, true);
break;
// Dmenu keeps viewfocus, but others with this flag dont, for now simulate
// dmenu
case WLC_BIT_OVERRIDE_REDIRECT:
// locked_view_focus = true;
wlc_view_focus(handle);
wlc_view_set_state(handle, WLC_BIT_ACTIVATED, true);
wlc_view_bring_to_front(handle);
break;
// Firefox popups have this flag set.
case WLC_BIT_OVERRIDE_REDIRECT|WLC_BIT_UNMANAGED:
wlc_view_bring_to_front(handle);
locked_container_focus = true;
break;
// Modals, get focus, popups do not
case WLC_BIT_MODAL:
wlc_view_focus(handle);
wlc_view_bring_to_front(handle);
newview = new_floating_view(handle);
case WLC_BIT_POPUP:
wlc_view_bring_to_front(handle);
break;
}
if (newview) {
set_focused_container(newview);
swayc_t *output = swayc_parent_by_type(newview, C_OUTPUT);
arrange_windows(output, -1, -1);
}
return true;
}
static void handle_view_destroyed(wlc_handle handle) {
sway_log(L_DEBUG, "Destroying window %lu", handle);
swayc_t *view = swayc_by_handle(handle);
switch (wlc_view_get_type(handle)) {
// regular view created regularly
case 0:
case WLC_BIT_MODAL:
case WLC_BIT_POPUP:
if (view) {
swayc_t *parent = destroy_view(view);
arrange_windows(parent, -1, -1);
}
break;
// DMENU has this flag, and takes view_focus, but other things with this
// flag dont
case WLC_BIT_OVERRIDE_REDIRECT:
// locked_view_focus = false;
break;
case WLC_BIT_OVERRIDE_REDIRECT|WLC_BIT_UNMANAGED:
locked_container_focus = false;
break;
}
swayc_t *focused_view = get_focused_view(&root_container);
if(focused_view->type == C_WORKSPACE && focused_view->children->length == 0){
if(focused_view->floating->length > 0){
focused_view = focused_view->floating->items[focused_view->floating->length-1];
focused_view = get_focused_view(focused_view);
}
}
set_focused_container(focused_view);
}
static void handle_view_focus(wlc_handle view, bool focus) {
return;
}
static void handle_view_geometry_request(wlc_handle handle, const struct wlc_geometry *geometry) {
sway_log(L_DEBUG, "geometry request %d x %d : %d x %d",
geometry->origin.x, geometry->origin.y, geometry->size.w, geometry->size.h);
// If the view is floating, then apply the geometry.
// Otherwise save the desired width/height for the view.
// This will not do anything for the time being as WLC improperly sends geometry requests
swayc_t *view = swayc_by_handle(handle);
if (view) {
view->desired_width = geometry->size.w;
view->desired_height = geometry->size.h;
if (view->is_floating) {
view->width = view->desired_width;
view->height = view->desired_height;
view->x = geometry->origin.x;
view->y = geometry->origin.y;
arrange_windows(view->parent, -1, -1);
}
}
}
static void handle_view_state_request(wlc_handle view, enum wlc_view_state_bit state, bool toggle) {
swayc_t *c = swayc_by_handle(view);
switch (state) {
case WLC_BIT_FULLSCREEN:
// i3 just lets it become fullscreen
wlc_view_set_state(view, state, toggle);
if (c) {
sway_log(L_DEBUG, "setting view %ld %s, fullscreen %d", view, c->name, toggle);
arrange_windows(c->parent, -1, -1);
// Set it as focused window for that workspace if its going fullscreen
if (toggle) {
swayc_t *ws = swayc_parent_by_type(c, C_WORKSPACE);
// Set ws focus to c
set_focused_container_for(ws, c);
}
}
break;
case WLC_BIT_MAXIMIZED:
case WLC_BIT_RESIZING:
case WLC_BIT_MOVING:
break;
case WLC_BIT_ACTIVATED:
sway_log(L_DEBUG, "View %p requested to be activated", c);
break;
}
return;
}
static bool handle_key(wlc_handle view, uint32_t time, const struct wlc_modifiers *modifiers,
uint32_t key, uint32_t sym, enum wlc_key_state state) {
if (locked_view_focus && state == WLC_KEY_STATE_PRESSED) {
return EVENT_PASSTHROUGH;
}
// reset pointer mode on keypress
if (state == WLC_KEY_STATE_PRESSED && pointer_state.mode) {
pointer_mode_reset();
}
struct sway_mode *mode = config->current_mode;
sym = tolower(sym);
int i;
if (state == WLC_KEY_STATE_PRESSED) {
press_key(sym, key);
} else { // WLC_KEY_STATE_RELEASED
release_key(sym, key);
}
// TODO: reminder to check conflicts with mod+q+a versus mod+q
for (i = 0; i < mode->bindings->length; ++i) {
struct sway_binding *binding = mode->bindings->items[i];
if ((modifiers->mods ^ binding->modifiers) == 0) {
bool match;
int j;
for (j = 0; j < binding->keys->length; ++j) {
xkb_keysym_t *key = binding->keys->items[j];
if ((match = check_key(*key, 0)) == false) {
break;
}
}
if (match) {
if (state == WLC_KEY_STATE_PRESSED) {
handle_command(config, binding->command);
return EVENT_HANDLED;
} else if (state == WLC_KEY_STATE_RELEASED) {
// TODO: --released
}
}
}
}
return EVENT_PASSTHROUGH;
}
static bool handle_pointer_motion(wlc_handle handle, uint32_t time, const struct wlc_origin *origin) {
// Update pointer origin
pointer_state.delta.x = origin->x - pointer_state.origin.x;
pointer_state.delta.y = origin->y - pointer_state.origin.y;
pointer_state.origin.x = origin->x;
pointer_state.origin.y = origin->y;
// Update view under pointer
swayc_t *prev_view = pointer_state.view;
pointer_state.view = container_under_pointer();
// If pointer is in a mode, update it
if (pointer_state.mode) {
pointer_mode_update();
}
// Otherwise change focus if config is set an
else if (prev_view != pointer_state.view && config->focus_follows_mouse) {
if (pointer_state.view && pointer_state.view->type == C_VIEW) {
set_focused_container(pointer_state.view);
}
}
return EVENT_PASSTHROUGH;
}
static bool handle_pointer_button(wlc_handle view, uint32_t time, const struct wlc_modifiers *modifiers,
uint32_t button, enum wlc_button_state state, const struct wlc_origin *origin) {
// Update view pointer is on
pointer_state.view = container_under_pointer();
// Update pointer origin
pointer_state.origin.x = origin->x;
pointer_state.origin.y = origin->y;
// Update pointer_state
switch (button) {
case M_LEFT_CLICK:
if (state == WLC_BUTTON_STATE_PRESSED) {
pointer_state.left.held = true;
pointer_state.left.x = origin->x;
pointer_state.left.y = origin->y;
pointer_state.left.view = pointer_state.view;
} else {
pointer_state.left.held = false;
}
break;
case M_RIGHT_CLICK:
if (state == WLC_BUTTON_STATE_PRESSED) {
pointer_state.right.held = true;
pointer_state.right.x = origin->x;
pointer_state.right.y = origin->y;
pointer_state.right.view = pointer_state.view;
} else {
pointer_state.right.held = false;
}
break;
case M_SCROLL_CLICK:
if (state == WLC_BUTTON_STATE_PRESSED) {
pointer_state.scroll.held = true;
pointer_state.scroll.x = origin->x;
pointer_state.scroll.y = origin->y;
pointer_state.scroll.view = pointer_state.view;
} else {
pointer_state.scroll.held = false;
}
break;
//TODO scrolling behavior
case M_SCROLL_UP:
case M_SCROLL_DOWN:
break;
}
// get focused window and check if to change focus on mouse click
swayc_t *focused = get_focused_container(&root_container);
// dont change focus or mode if fullscreen
if (swayc_is_fullscreen(focused)) {
return EVENT_PASSTHROUGH;
}
// set pointer mode
pointer_mode_set(button,
(modifiers->mods & config->floating_mod) == config->floating_mod);
// Return if mode has been set
if (pointer_state.mode) {
return EVENT_HANDLED;
}
// Always send mouse release
if (state == WLC_BUTTON_STATE_RELEASED) {
return EVENT_PASSTHROUGH;
}
// Check whether to change focus
swayc_t *pointer = pointer_state.view;
if (pointer && focused != pointer) {
set_focused_container(pointer_state.view);
// Send to front if floating
if (pointer->is_floating) {
int i;
for (i = 0; i < pointer->parent->floating->length; i++) {
if (pointer->parent->floating->items[i] == pointer) {
list_del(pointer->parent->floating, i);
list_add(pointer->parent->floating, pointer);
break;
}
}
wlc_view_bring_to_front(view);
}
}
// Finally send click
return EVENT_PASSTHROUGH;
}
static void handle_wlc_ready(void) {
sway_log(L_DEBUG, "Compositor is ready, executing cmds in queue");
int i;
for (i = 0; i < config->cmd_queue->length; ++i) {
handle_command(config, config->cmd_queue->items[i]);
}
free_flat_list(config->cmd_queue);
config->active = true;
}
struct wlc_interface interface = {
.output = {
.created = handle_output_created,
.destroyed = handle_output_destroyed,
.resolution = handle_output_resolution_change,
.focus = handle_output_focused
},
.view = {
.created = handle_view_created,
.destroyed = handle_view_destroyed,
.focus = handle_view_focus,
.request = {
.geometry = handle_view_geometry_request,
.state = handle_view_state_request
}
},
.keyboard = {
.key = handle_key
},
.pointer = {
.motion = handle_pointer_motion,
.button = handle_pointer_button
},
.compositor = {
.ready = handle_wlc_ready
}
};
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