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Merge pull request #175 from emersion/xdg-shell-resize 

rootston: add xdg shell resize support
This commit is contained in:
Drew DeVault 2017-09-30 09:12:20 -04:00 committed by GitHub
parent edf5e6211d 74f2d0cd63
commit 40303b7a09
7 changed files with 100 additions and 6 deletions
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11
include/rootston/input.h
View File

@ -53,6 +53,13 @@ enum roots_cursor_mode {
ROOTS_CURSOR_ROTATE = 3,
};
enum roots_cursor_resize_edge {
ROOTS_CURSOR_RESIZE_EDGE_TOP = 1,
ROOTS_CURSOR_RESIZE_EDGE_BOTTOM = 2,
ROOTS_CURSOR_RESIZE_EDGE_LEFT = 4,
ROOTS_CURSOR_RESIZE_EDGE_RIGHT = 8,
};
struct roots_input_event {
uint32_t serial;
struct wlr_cursor *cursor;
@ -71,6 +78,8 @@ struct roots_input {
enum roots_cursor_mode mode;
struct roots_view *active_view;
int offs_x, offs_y;
int view_x, view_y, view_width, view_height;
uint32_t resize_edges;
// Ring buffer of input events that could trigger move/resize/rotate
int input_events_idx;
@ -110,5 +119,7 @@ const struct roots_input_event *get_input_event(struct roots_input *input,
uint32_t serial);
void view_begin_move(struct roots_input *input, struct wlr_cursor *cursor,
struct roots_view *view);
void view_begin_resize(struct roots_input *input, struct wlr_cursor *cursor,
struct roots_view *view, uint32_t edges);
#endif

4
include/rootston/view.h
View File

@ -61,11 +61,15 @@ struct roots_view {
// configure event from the xdg_shell
// If not then this should follow the typical type/impl pattern we use
// elsewhere
void (*get_size)(struct roots_view *view, struct wlr_box *box);
void (*get_input_bounds)(struct roots_view *view, struct wlr_box *box);
void (*activate)(struct roots_view *view, bool active);
void (*resize)(struct roots_view *view, uint32_t width, uint32_t height);
};
void view_get_size(struct roots_view *view, struct wlr_box *box);
void view_get_input_bounds(struct roots_view *view, struct wlr_box *box);
void view_activate(struct roots_view *view, bool active);
void view_resize(struct roots_view *view, uint32_t width, uint32_t height);
#endif

37
rootston/cursor.c
View File

@ -29,6 +29,22 @@ void view_begin_move(struct roots_input *input, struct wlr_cursor *cursor,
wlr_seat_pointer_clear_focus(input->wl_seat);
}
void view_begin_resize(struct roots_input *input, struct wlr_cursor *cursor,
struct roots_view *view, uint32_t edges) {
input->mode = ROOTS_CURSOR_RESIZE;
wlr_log(L_DEBUG, "begin resize");
input->offs_x = cursor->x;
input->offs_y = cursor->y;
input->view_x = view->x;
input->view_y = view->y;
struct wlr_box size;
view_get_size(view, &size);
input->view_width = size.width;
input->view_height = size.height;
input->resize_edges = edges;
wlr_seat_pointer_clear_focus(input->wl_seat);
}
void cursor_update_position(struct roots_input *input, uint32_t time) {
struct roots_desktop *desktop = input->server->desktop;
struct roots_view *view;
@ -53,6 +69,27 @@ void cursor_update_position(struct roots_input *input, uint32_t time) {
}
break;
case ROOTS_CURSOR_RESIZE:
if (input->active_view) {
int dx = input->cursor->x - input->offs_x;
int dy = input->cursor->y - input->offs_y;
int width = input->view_width;
int height = input->view_height;
if (input->resize_edges & ROOTS_CURSOR_RESIZE_EDGE_TOP) {
input->active_view->y = input->view_y + dy;
height -= dy;
}
if (input->resize_edges & ROOTS_CURSOR_RESIZE_EDGE_BOTTOM) {
height += dy;
}
if (input->resize_edges & ROOTS_CURSOR_RESIZE_EDGE_LEFT) {
input->active_view->x = input->view_x + dx;
width -= dx;
}
if (input->resize_edges & ROOTS_CURSOR_RESIZE_EDGE_RIGHT) {
width += dx;
}
view_resize(input->active_view, width, height);
}
break;
case ROOTS_CURSOR_ROTATE:
break;

16
rootston/desktop.c
View File

@ -25,6 +25,16 @@ void view_destroy(struct roots_view *view) {
free(view);
}
void view_get_size(struct roots_view *view, struct wlr_box *box) {
if (view->get_size) {
view->get_size(view, box);
return;
}
box->x = box->y = 0;
box->width = view->wlr_surface->current.width;
box->height = view->wlr_surface->current.height;
}
void view_get_input_bounds(struct roots_view *view, struct wlr_box *box) {
if (view->get_input_bounds) {
view->get_input_bounds(view, box);
@ -41,6 +51,12 @@ void view_activate(struct roots_view *view, bool activate) {
}
}
void view_resize(struct roots_view *view, uint32_t width, uint32_t height) {
if (view->resize) {
view->resize(view, width, height);
}
}
struct roots_view *view_at(struct roots_desktop *desktop, int x, int y) {
for (size_t i = 0; i < desktop->views->length; ++i) {
struct roots_view *view = desktop->views->items[i];

4
rootston/wl_shell.c
View File

@ -10,7 +10,7 @@
#include "rootston/server.h"
#include "rootston/input.h"
static void handle_move(struct wl_listener *listener, void *data) {
static void handle_request_move(struct wl_listener *listener, void *data) {
struct roots_wl_shell_surface *roots_surface =
wl_container_of(listener, roots_surface, request_move);
struct roots_view *view = roots_surface->view;
@ -53,7 +53,7 @@ void handle_wl_shell_surface(struct wl_listener *listener, void *data) {
wl_signal_add(&surface->events.destroy, &roots_surface->destroy);
wl_list_init(&roots_surface->ping_timeout.link);
wl_list_init(&roots_surface->request_move.link);
roots_surface->request_move.notify = handle_move;
roots_surface->request_move.notify = handle_request_move;
wl_signal_add(&surface->events.request_move, &roots_surface->request_move);
wl_list_init(&roots_surface->request_resize.link);
wl_list_init(&roots_surface->request_set_fullscreen.link);

30
rootston/xdg_shell_v6.c
View File

@ -10,9 +10,10 @@
#include "rootston/server.h"
#include "rootston/input.h"
static void get_input_bounds(struct roots_view *view, struct wlr_box *box) {
static void get_size(struct roots_view *view, struct wlr_box *box) {
assert(view->type == ROOTS_XDG_SHELL_V6_VIEW);
struct wlr_xdg_surface_v6 *surf = view->xdg_surface_v6;
// TODO: surf->geometry can be NULL
memcpy(box, surf->geometry, sizeof(struct wlr_box));
}
@ -24,6 +25,14 @@ static void activate(struct roots_view *view, bool active) {
}
}
static void resize(struct roots_view *view, uint32_t width, uint32_t height) {
assert(view->type == ROOTS_XDG_SHELL_V6_VIEW);
struct wlr_xdg_surface_v6 *surf = view->xdg_surface_v6;
if (surf->role == WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
wlr_xdg_toplevel_v6_set_size(surf, width, height);
}
}
static void handle_request_move(struct wl_listener *listener, void *data) {
struct roots_xdg_surface_v6 *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, request_move);
@ -37,6 +46,19 @@ static void handle_request_move(struct wl_listener *listener, void *data) {
view_begin_move(input, event->cursor, view);
}
static void handle_request_resize(struct wl_listener *listener, void *data) {
struct roots_xdg_surface_v6 *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, request_resize);
struct roots_view *view = roots_xdg_surface->view;
struct roots_input *input = view->desktop->server->input;
struct wlr_xdg_toplevel_v6_resize_event *e = data;
const struct roots_input_event *event = get_input_event(input, e->serial);
if (!event || input->mode != ROOTS_CURSOR_PASSTHROUGH) {
return;
}
view_begin_resize(input, event->cursor, view, e->edges);
}
static void handle_destroy(struct wl_listener *listener, void *data) {
struct roots_xdg_surface_v6 *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, destroy);
@ -71,6 +93,9 @@ void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data) {
roots_surface->request_move.notify = handle_request_move;
wl_signal_add(&surface->events.request_move, &roots_surface->request_move);
wl_list_init(&roots_surface->request_resize.link);
roots_surface->request_resize.notify = handle_request_resize;
wl_signal_add(&surface->events.request_resize,
&roots_surface->request_resize);
wl_list_init(&roots_surface->request_show_window_menu.link);
struct roots_view *view = calloc(1, sizeof(struct roots_view));
@ -79,8 +104,9 @@ void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data) {
view->xdg_surface_v6 = surface;
view->roots_xdg_surface_v6 = roots_surface;
view->wlr_surface = surface->surface;
view->get_input_bounds = get_input_bounds;
view->get_size = get_size;
view->activate = activate;
view->resize = resize;
view->desktop = desktop;
roots_surface->view = view;
list_add(desktop->views, view);

4
rootston/xwayland.c
View File

@ -17,7 +17,7 @@ static void handle_destroy(struct wl_listener *listener, void *data) {
free(roots_surface);
}
static void handle_configure(struct wl_listener *listener, void *data) {
static void handle_request_configure(struct wl_listener *listener, void *data) {
struct roots_xwayland_surface *roots_surface =
wl_container_of(listener, roots_surface, request_configure);
struct wlr_xwayland_surface *xwayland_surface =
@ -58,7 +58,7 @@ void handle_xwayland_surface(struct wl_listener *listener, void *data) {
roots_surface->destroy.notify = handle_destroy;
wl_signal_add(&surface->events.destroy, &roots_surface->destroy);
wl_list_init(&roots_surface->request_configure.link);
roots_surface->request_configure.notify = handle_configure;
roots_surface->request_configure.notify = handle_request_configure;
wl_signal_add(&surface->events.request_configure,
&roots_surface->request_configure);