From e86c7a3dd67f14d738b058c4aa3698e9e74958c9 Mon Sep 17 00:00:00 2001 From: emersion Date: Sat, 23 Feb 2019 12:15:37 +0100 Subject: [PATCH] rootston: move part of desktop.c to view.c, use an interface for views --- include/rootston/desktop.h | 13 - include/rootston/view.h | 37 ++- rootston/desktop.c | 652 ------------------------------------ rootston/meson.build | 3 +- rootston/view.c | 661 +++++++++++++++++++++++++++++++++++++ rootston/wl_shell.c | 11 +- rootston/xdg_shell.c | 19 +- rootston/xdg_shell_v6.c | 22 +- rootston/xwayland.c | 21 +- 9 files changed, 732 insertions(+), 707 deletions(-) create mode 100644 rootston/view.c diff --git a/include/rootston/desktop.h b/include/rootston/desktop.h index d8fc53e2..81faba81 100644 --- a/include/rootston/desktop.h +++ b/include/rootston/desktop.h @@ -100,19 +100,6 @@ struct wlr_surface *desktop_surface_at(struct roots_desktop *desktop, double lx, double ly, double *sx, double *sy, struct roots_view **view); -struct roots_view *view_create(struct roots_desktop *desktop); -void view_destroy(struct roots_view *view); -void view_activate(struct roots_view *view, bool activate); -void view_apply_damage(struct roots_view *view); -void view_damage_whole(struct roots_view *view); -void view_update_position(struct roots_view *view, int x, int y); -void view_update_size(struct roots_view *view, int width, int height); -void view_update_decorated(struct roots_view *view, bool decorated); -void view_initial_focus(struct roots_view *view); -void view_map(struct roots_view *view, struct wlr_surface *surface); -void view_unmap(struct roots_view *view); -void view_arrange_maximized(struct roots_view *view); - void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data); void handle_xdg_shell_surface(struct wl_listener *listener, void *data); void handle_xdg_toplevel_decoration(struct wl_listener *listener, void *data); diff --git a/include/rootston/view.h b/include/rootston/view.h index 0174e4f3..64c49618 100644 --- a/include/rootston/view.h +++ b/include/rootston/view.h @@ -94,7 +94,20 @@ enum roots_view_type { #endif }; +struct roots_view_interface { + void (*activate)(struct roots_view *view, bool active); + void (*move)(struct roots_view *view, double x, double y); + void (*resize)(struct roots_view *view, uint32_t width, uint32_t height); + void (*move_resize)(struct roots_view *view, double x, double y, + uint32_t width, uint32_t height); + void (*maximize)(struct roots_view *view, bool maximized); + void (*set_fullscreen)(struct roots_view *view, bool fullscreen); + void (*close)(struct roots_view *view); + void (*destroy)(struct roots_view *view); +}; + struct roots_view { + const struct roots_view_interface *impl; struct roots_desktop *desktop; struct wl_list link; // roots_desktop::views @@ -153,17 +166,6 @@ struct roots_view { struct wl_signal unmap; struct wl_signal destroy; } events; - - // TODO: this should follow the typical type/impl pattern we use elsewhere - void (*activate)(struct roots_view *view, bool active); - void (*move)(struct roots_view *view, double x, double y); - void (*resize)(struct roots_view *view, uint32_t width, uint32_t height); - void (*move_resize)(struct roots_view *view, double x, double y, - uint32_t width, uint32_t height); - void (*maximize)(struct roots_view *view, bool maximized); - void (*set_fullscreen)(struct roots_view *view, bool fullscreen); - void (*close)(struct roots_view *view); - void (*destroy)(struct roots_view *view); }; struct roots_view_child { @@ -219,6 +221,19 @@ struct roots_xdg_toplevel_decoration { struct wl_listener surface_commit; }; +struct roots_view *view_create(struct roots_desktop *desktop, + const struct roots_view_interface *impl); +void view_destroy(struct roots_view *view); +void view_activate(struct roots_view *view, bool activate); +void view_apply_damage(struct roots_view *view); +void view_damage_whole(struct roots_view *view); +void view_update_position(struct roots_view *view, int x, int y); +void view_update_size(struct roots_view *view, int width, int height); +void view_update_decorated(struct roots_view *view, bool decorated); +void view_initial_focus(struct roots_view *view); +void view_map(struct roots_view *view, struct wlr_surface *surface); +void view_unmap(struct roots_view *view); +void view_arrange_maximized(struct roots_view *view); void view_get_box(const struct roots_view *view, struct wlr_box *box); void view_activate(struct roots_view *view, bool active); void view_move(struct roots_view *view, double x, double y); diff --git a/rootston/desktop.c b/rootston/desktop.c index 63ff1382..e33e6058 100644 --- a/rootston/desktop.c +++ b/rootston/desktop.c @@ -36,658 +36,6 @@ #include "rootston/xcursor.h" #include "wlr-layer-shell-unstable-v1-protocol.h" -struct roots_view *view_create(struct roots_desktop *desktop) { - struct roots_view *view = calloc(1, sizeof(struct roots_view)); - if (!view) { - return NULL; - } - view->desktop = desktop; - view->alpha = 1.0f; - wl_signal_init(&view->events.unmap); - wl_signal_init(&view->events.destroy); - wl_list_init(&view->children); - return view; -} - -void view_get_box(const struct roots_view *view, struct wlr_box *box) { - box->x = view->box.x; - box->y = view->box.y; - box->width = view->box.width; - box->height = view->box.height; -} - -void view_get_deco_box(const struct roots_view *view, struct wlr_box *box) { - view_get_box(view, box); - if (!view->decorated) { - return; - } - - box->x -= view->border_width; - box->y -= (view->border_width + view->titlebar_height); - box->width += view->border_width * 2; - box->height += (view->border_width * 2 + view->titlebar_height); -} - -enum roots_deco_part view_get_deco_part(struct roots_view *view, double sx, - double sy) { - if (!view->decorated) { - return ROOTS_DECO_PART_NONE; - } - - int sw = view->wlr_surface->current.width; - int sh = view->wlr_surface->current.height; - int bw = view->border_width; - int titlebar_h = view->titlebar_height; - - if (sx > 0 && sx < sw && sy < 0 && sy > -view->titlebar_height) { - return ROOTS_DECO_PART_TITLEBAR; - } - - enum roots_deco_part parts = 0; - if (sy >= -(titlebar_h + bw) && - sy <= sh + bw) { - if (sx < 0 && sx > -bw) { - parts |= ROOTS_DECO_PART_LEFT_BORDER; - } else if (sx > sw && sx < sw + bw) { - parts |= ROOTS_DECO_PART_RIGHT_BORDER; - } - } - - if (sx >= -bw && sx <= sw + bw) { - if (sy > sh && sy <= sh + bw) { - parts |= ROOTS_DECO_PART_BOTTOM_BORDER; - } else if (sy >= -(titlebar_h + bw) && sy < 0) { - parts |= ROOTS_DECO_PART_TOP_BORDER; - } - } - - // TODO corners - - return parts; -} - -static void view_update_output(const struct roots_view *view, - const struct wlr_box *before) { - struct roots_desktop *desktop = view->desktop; - - if (view->wlr_surface == NULL) { - return; - } - - struct wlr_box box; - view_get_box(view, &box); - - struct roots_output *output; - wl_list_for_each(output, &desktop->outputs, link) { - bool intersected = before != NULL && wlr_output_layout_intersects( - desktop->layout, output->wlr_output, before); - bool intersects = wlr_output_layout_intersects(desktop->layout, - output->wlr_output, &box); - if (intersected && !intersects) { - wlr_surface_send_leave(view->wlr_surface, output->wlr_output); - if (view->toplevel_handle) { - wlr_foreign_toplevel_handle_v1_output_leave( - view->toplevel_handle, output->wlr_output); - } - } - if (!intersected && intersects) { - wlr_surface_send_enter(view->wlr_surface, output->wlr_output); - if (view->toplevel_handle) { - wlr_foreign_toplevel_handle_v1_output_enter( - view->toplevel_handle, output->wlr_output); - } - } - } -} - -void view_move(struct roots_view *view, double x, double y) { - if (view->box.x == x && view->box.y == y) { - return; - } - - struct wlr_box before; - view_get_box(view, &before); - if (view->move) { - view->move(view, x, y); - } else { - view_update_position(view, x, y); - } - view_update_output(view, &before); -} - -void view_activate(struct roots_view *view, bool activate) { - if (view->activate) { - view->activate(view, activate); - } - - if (view->toplevel_handle) { - wlr_foreign_toplevel_handle_v1_set_activated(view->toplevel_handle, - activate); - } -} - -void view_resize(struct roots_view *view, uint32_t width, uint32_t height) { - struct wlr_box before; - view_get_box(view, &before); - if (view->resize) { - view->resize(view, width, height); - } - view_update_output(view, &before); -} - -void view_move_resize(struct roots_view *view, double x, double y, - uint32_t width, uint32_t height) { - bool update_x = x != view->box.x; - bool update_y = y != view->box.y; - if (!update_x && !update_y) { - view_resize(view, width, height); - return; - } - - if (view->move_resize) { - view->move_resize(view, x, y, width, height); - return; - } - - view->pending_move_resize.update_x = update_x; - view->pending_move_resize.update_y = update_y; - view->pending_move_resize.x = x; - view->pending_move_resize.y = y; - view->pending_move_resize.width = width; - view->pending_move_resize.height = height; - - view_resize(view, width, height); -} - -static struct wlr_output *view_get_output(struct roots_view *view) { - struct wlr_box view_box; - view_get_box(view, &view_box); - - double output_x, output_y; - wlr_output_layout_closest_point(view->desktop->layout, NULL, - view->box.x + (double)view_box.width/2, - view->box.y + (double)view_box.height/2, - &output_x, &output_y); - return wlr_output_layout_output_at(view->desktop->layout, output_x, - output_y); -} - -void view_arrange_maximized(struct roots_view *view) { - if (view->fullscreen_output != NULL) { - return; - } - - struct wlr_box view_box; - view_get_box(view, &view_box); - - struct wlr_output *output = view_get_output(view); - struct roots_output *roots_output = output->data; - struct wlr_box *output_box = - wlr_output_layout_get_box(view->desktop->layout, output); - struct wlr_box usable_area; - memcpy(&usable_area, &roots_output->usable_area, - sizeof(struct wlr_box)); - usable_area.x += output_box->x; - usable_area.y += output_box->y; - - view_move_resize(view, usable_area.x, usable_area.y, - usable_area.width, usable_area.height); - view_rotate(view, 0); -} - -void view_maximize(struct roots_view *view, bool maximized) { - if (view->maximized == maximized || view->fullscreen_output != NULL) { - return; - } - - if (view->maximize) { - view->maximize(view, maximized); - } - - if (view->toplevel_handle) { - wlr_foreign_toplevel_handle_v1_set_maximized(view->toplevel_handle, - maximized); - } - - if (!view->maximized && maximized) { - view->maximized = true; - view->saved.x = view->box.x; - view->saved.y = view->box.y; - view->saved.rotation = view->rotation; - view->saved.width = view->box.width; - view->saved.height = view->box.height; - - view_arrange_maximized(view); - } - - if (view->maximized && !maximized) { - view->maximized = false; - - view_move_resize(view, view->saved.x, view->saved.y, view->saved.width, - view->saved.height); - view_rotate(view, view->saved.rotation); - } -} - -void view_set_fullscreen(struct roots_view *view, bool fullscreen, - struct wlr_output *output) { - bool was_fullscreen = view->fullscreen_output != NULL; - if (was_fullscreen == fullscreen) { - // TODO: support changing the output? - return; - } - - // TODO: check if client is focused? - - if (view->set_fullscreen) { - view->set_fullscreen(view, fullscreen); - } - - if (!was_fullscreen && fullscreen) { - if (output == NULL) { - output = view_get_output(view); - } - struct roots_output *roots_output = - desktop_output_from_wlr_output(view->desktop, output); - if (roots_output == NULL) { - return; - } - - struct wlr_box view_box; - view_get_box(view, &view_box); - - view->saved.x = view->box.x; - view->saved.y = view->box.y; - view->saved.rotation = view->rotation; - view->saved.width = view_box.width; - view->saved.height = view_box.height; - - struct wlr_box *output_box = - wlr_output_layout_get_box(view->desktop->layout, output); - view_move_resize(view, output_box->x, output_box->y, output_box->width, - output_box->height); - view_rotate(view, 0); - - roots_output->fullscreen_view = view; - view->fullscreen_output = roots_output; - output_damage_whole(roots_output); - } - - if (was_fullscreen && !fullscreen) { - view_move_resize(view, view->saved.x, view->saved.y, view->saved.width, - view->saved.height); - view_rotate(view, view->saved.rotation); - - output_damage_whole(view->fullscreen_output); - view->fullscreen_output->fullscreen_view = NULL; - view->fullscreen_output = NULL; - } -} - -void view_rotate(struct roots_view *view, float rotation) { - if (view->rotation == rotation) { - return; - } - - view_damage_whole(view); - view->rotation = rotation; - view_damage_whole(view); -} - -void view_cycle_alpha(struct roots_view *view) { - view->alpha -= 0.05; - /* Don't go completely transparent */ - if (view->alpha < 0.1) { - view->alpha = 1.0; - } - view_damage_whole(view); -} - -void view_close(struct roots_view *view) { - if (view->close) { - view->close(view); - } -} - -bool view_center(struct roots_view *view) { - struct wlr_box box; - view_get_box(view, &box); - - struct roots_desktop *desktop = view->desktop; - struct roots_input *input = desktop->server->input; - struct roots_seat *seat = input_last_active_seat(input); - if (!seat) { - return false; - } - - struct wlr_output *output = - wlr_output_layout_output_at(desktop->layout, - seat->cursor->cursor->x, - seat->cursor->cursor->y); - if (!output) { - // empty layout - return false; - } - - const struct wlr_output_layout_output *l_output = - wlr_output_layout_get(desktop->layout, output); - - int width, height; - wlr_output_effective_resolution(output, &width, &height); - - double view_x = (double)(width - box.width) / 2 + l_output->x; - double view_y = (double)(height - box.height) / 2 + l_output->y; - view_move(view, view_x, view_y); - - return true; -} - -void view_child_finish(struct roots_view_child *child) { - if (child == NULL) { - return; - } - view_damage_whole(child->view); - wl_list_remove(&child->link); - wl_list_remove(&child->commit.link); - wl_list_remove(&child->new_subsurface.link); -} - -static void view_child_handle_commit(struct wl_listener *listener, - void *data) { - struct roots_view_child *child = wl_container_of(listener, child, commit); - view_apply_damage(child->view); -} - -static void view_child_handle_new_subsurface(struct wl_listener *listener, - void *data) { - struct roots_view_child *child = - wl_container_of(listener, child, new_subsurface); - struct wlr_subsurface *wlr_subsurface = data; - subsurface_create(child->view, wlr_subsurface); -} - -void view_child_init(struct roots_view_child *child, struct roots_view *view, - struct wlr_surface *wlr_surface) { - assert(child->destroy); - child->view = view; - child->wlr_surface = wlr_surface; - child->commit.notify = view_child_handle_commit; - wl_signal_add(&wlr_surface->events.commit, &child->commit); - child->new_subsurface.notify = view_child_handle_new_subsurface; - wl_signal_add(&wlr_surface->events.new_subsurface, &child->new_subsurface); - wl_list_insert(&view->children, &child->link); -} - -static void subsurface_destroy(struct roots_view_child *child) { - assert(child->destroy == subsurface_destroy); - struct roots_subsurface *subsurface = (struct roots_subsurface *)child; - if (subsurface == NULL) { - return; - } - wl_list_remove(&subsurface->destroy.link); - wl_list_remove(&subsurface->map.link); - wl_list_remove(&subsurface->unmap.link); - view_child_finish(&subsurface->view_child); - free(subsurface); -} - -static void subsurface_handle_destroy(struct wl_listener *listener, - void *data) { - struct roots_subsurface *subsurface = - wl_container_of(listener, subsurface, destroy); - subsurface_destroy(&subsurface->view_child); -} - -static void subsurface_handle_map(struct wl_listener *listener, - void *data) { - struct roots_subsurface *subsurface = - wl_container_of(listener, subsurface, map); - struct roots_view *view = subsurface->view_child.view; - view_damage_whole(view); - input_update_cursor_focus(view->desktop->server->input); -} - -static void subsurface_handle_unmap(struct wl_listener *listener, - void *data) { - struct roots_subsurface *subsurface = - wl_container_of(listener, subsurface, unmap); - struct roots_view *view = subsurface->view_child.view; - view_damage_whole(view); - input_update_cursor_focus(view->desktop->server->input); -} - -struct roots_subsurface *subsurface_create(struct roots_view *view, - struct wlr_subsurface *wlr_subsurface) { - struct roots_subsurface *subsurface = - calloc(1, sizeof(struct roots_subsurface)); - if (subsurface == NULL) { - return NULL; - } - subsurface->wlr_subsurface = wlr_subsurface; - subsurface->view_child.destroy = subsurface_destroy; - view_child_init(&subsurface->view_child, view, wlr_subsurface->surface); - subsurface->destroy.notify = subsurface_handle_destroy; - wl_signal_add(&wlr_subsurface->events.destroy, &subsurface->destroy); - subsurface->map.notify = subsurface_handle_map; - wl_signal_add(&wlr_subsurface->events.map, &subsurface->map); - subsurface->unmap.notify = subsurface_handle_unmap; - wl_signal_add(&wlr_subsurface->events.unmap, &subsurface->unmap); - return subsurface; -} - -void view_destroy(struct roots_view *view) { - if (view == NULL) { - return; - } - - wl_signal_emit(&view->events.destroy, view); - - if (view->wlr_surface != NULL) { - view_unmap(view); - } - - // Can happen if fullscreened while unmapped, and hasn't been mapped - if (view->fullscreen_output != NULL) { - view->fullscreen_output->fullscreen_view = NULL; - } - - if (view->destroy) { - view->destroy(view); - } - - free(view); -} - -static void view_handle_new_subsurface(struct wl_listener *listener, - void *data) { - struct roots_view *view = wl_container_of(listener, view, new_subsurface); - struct wlr_subsurface *wlr_subsurface = data; - subsurface_create(view, wlr_subsurface); -} - -void view_map(struct roots_view *view, struct wlr_surface *surface) { - assert(view->wlr_surface == NULL); - - view->wlr_surface = surface; - - struct wlr_subsurface *subsurface; - wl_list_for_each(subsurface, &view->wlr_surface->subsurfaces, - parent_link) { - subsurface_create(view, subsurface); - } - - view->new_subsurface.notify = view_handle_new_subsurface; - wl_signal_add(&view->wlr_surface->events.new_subsurface, - &view->new_subsurface); - - wl_list_insert(&view->desktop->views, &view->link); - view_damage_whole(view); - input_update_cursor_focus(view->desktop->server->input); -} - -void view_unmap(struct roots_view *view) { - assert(view->wlr_surface != NULL); - - wl_signal_emit(&view->events.unmap, view); - - view_damage_whole(view); - wl_list_remove(&view->link); - - wl_list_remove(&view->new_subsurface.link); - - struct roots_view_child *child, *tmp; - wl_list_for_each_safe(child, tmp, &view->children, link) { - child->destroy(child); - } - - if (view->fullscreen_output != NULL) { - output_damage_whole(view->fullscreen_output); - view->fullscreen_output->fullscreen_view = NULL; - view->fullscreen_output = NULL; - } - - view->wlr_surface = NULL; - view->box.width = view->box.height = 0; - - if (view->toplevel_handle) { - wlr_foreign_toplevel_handle_v1_destroy(view->toplevel_handle); - view->toplevel_handle = NULL; - } -} - -void view_initial_focus(struct roots_view *view) { - struct roots_input *input = view->desktop->server->input; - // TODO what seat gets focus? the one with the last input event? - struct roots_seat *seat; - wl_list_for_each(seat, &input->seats, link) { - roots_seat_set_focus(seat, view); - } -} - -void view_setup(struct roots_view *view) { - view_initial_focus(view); - - if (view->fullscreen_output == NULL && !view->maximized) { - view_center(view); - } - - view_create_foreign_toplevel_handle(view); - view_update_output(view, NULL); -} - -void view_apply_damage(struct roots_view *view) { - struct roots_output *output; - wl_list_for_each(output, &view->desktop->outputs, link) { - output_damage_from_view(output, view); - } -} - -void view_damage_whole(struct roots_view *view) { - struct roots_output *output; - wl_list_for_each(output, &view->desktop->outputs, link) { - output_damage_whole_view(output, view); - } -} - -void view_update_position(struct roots_view *view, int x, int y) { - if (view->box.x == x && view->box.y == y) { - return; - } - - view_damage_whole(view); - view->box.x = x; - view->box.y = y; - view_damage_whole(view); -} - -void view_update_size(struct roots_view *view, int width, int height) { - if (view->box.width == width && view->box.height == height) { - return; - } - - view_damage_whole(view); - view->box.width = width; - view->box.height = height; - view_damage_whole(view); -} - -void view_update_decorated(struct roots_view *view, bool decorated) { - if (view->decorated == decorated) { - return; - } - - view_damage_whole(view); - view->decorated = decorated; - if (decorated) { - view->border_width = 4; - view->titlebar_height = 12; - } else { - view->border_width = 0; - view->titlebar_height = 0; - } - view_damage_whole(view); -} - -void view_set_title(struct roots_view *view, const char *title) { - if (view->toplevel_handle) { - wlr_foreign_toplevel_handle_v1_set_title(view->toplevel_handle, title); - } -} - -void view_set_app_id(struct roots_view *view, const char *app_id) { - if (view->toplevel_handle) { - wlr_foreign_toplevel_handle_v1_set_app_id(view->toplevel_handle, app_id); - } -} - -static void handle_toplevel_handle_request_maximize(struct wl_listener *listener, - void *data) { - struct roots_view *view = wl_container_of(listener, view, - toplevel_handle_request_maximize); - struct wlr_foreign_toplevel_handle_v1_maximized_event *event = data; - view_maximize(view, event->maximized); -} - -static void handle_toplevel_handle_request_activate(struct wl_listener *listener, - void *data) { - struct roots_view *view = - wl_container_of(listener, view, toplevel_handle_request_activate); - struct wlr_foreign_toplevel_handle_v1_activated_event *event = data; - - struct roots_seat *seat; - wl_list_for_each(seat, &view->desktop->server->input->seats, link) { - if (event->seat == seat->seat) { - roots_seat_set_focus(seat, view); - } - } -} - -static void handle_toplevel_handle_request_close(struct wl_listener *listener, - void *data) { - struct roots_view *view = - wl_container_of(listener, view, toplevel_handle_request_close); - view_close(view); -} - -void view_create_foreign_toplevel_handle(struct roots_view *view) { - view->toplevel_handle = - wlr_foreign_toplevel_handle_v1_create( - view->desktop->foreign_toplevel_manager_v1); - - view->toplevel_handle_request_maximize.notify = - handle_toplevel_handle_request_maximize; - wl_signal_add(&view->toplevel_handle->events.request_maximize, - &view->toplevel_handle_request_maximize); - view->toplevel_handle_request_activate.notify = - handle_toplevel_handle_request_activate; - wl_signal_add(&view->toplevel_handle->events.request_activate, - &view->toplevel_handle_request_activate); - view->toplevel_handle_request_close.notify = - handle_toplevel_handle_request_close; - wl_signal_add(&view->toplevel_handle->events.request_close, - &view->toplevel_handle_request_close); -} - static bool view_at(struct roots_view *view, double lx, double ly, struct wlr_surface **surface, double *sx, double *sy) { if (view->type == ROOTS_WL_SHELL_VIEW && diff --git a/rootston/meson.build b/rootston/meson.build index db90a508..6a4fbe76 100644 --- a/rootston/meson.build +++ b/rootston/meson.build @@ -12,10 +12,11 @@ sources = [ 'seat.c', 'switch.c', 'text_input.c', + 'view.c', 'virtual_keyboard.c', 'wl_shell.c', - 'xdg_shell.c', 'xdg_shell_v6.c', + 'xdg_shell.c', ] if conf_data.get('WLR_HAS_XWAYLAND', 0) == 1 diff --git a/rootston/view.c b/rootston/view.c new file mode 100644 index 00000000..c409c75c --- /dev/null +++ b/rootston/view.c @@ -0,0 +1,661 @@ +#include +#include +#include +#include +#include "rootston/desktop.h" +#include "rootston/input.h" +#include "rootston/seat.h" +#include "rootston/server.h" +#include "rootston/view.h" + +struct roots_view *view_create(struct roots_desktop *desktop, + const struct roots_view_interface *impl) { + struct roots_view *view = calloc(1, sizeof(struct roots_view)); + if (!view) { + return NULL; + } + view->impl = impl; + view->desktop = desktop; + view->alpha = 1.0f; + wl_signal_init(&view->events.unmap); + wl_signal_init(&view->events.destroy); + wl_list_init(&view->children); + return view; +} + +void view_get_box(const struct roots_view *view, struct wlr_box *box) { + box->x = view->box.x; + box->y = view->box.y; + box->width = view->box.width; + box->height = view->box.height; +} + +void view_get_deco_box(const struct roots_view *view, struct wlr_box *box) { + view_get_box(view, box); + if (!view->decorated) { + return; + } + + box->x -= view->border_width; + box->y -= (view->border_width + view->titlebar_height); + box->width += view->border_width * 2; + box->height += (view->border_width * 2 + view->titlebar_height); +} + +enum roots_deco_part view_get_deco_part(struct roots_view *view, double sx, + double sy) { + if (!view->decorated) { + return ROOTS_DECO_PART_NONE; + } + + int sw = view->wlr_surface->current.width; + int sh = view->wlr_surface->current.height; + int bw = view->border_width; + int titlebar_h = view->titlebar_height; + + if (sx > 0 && sx < sw && sy < 0 && sy > -view->titlebar_height) { + return ROOTS_DECO_PART_TITLEBAR; + } + + enum roots_deco_part parts = 0; + if (sy >= -(titlebar_h + bw) && + sy <= sh + bw) { + if (sx < 0 && sx > -bw) { + parts |= ROOTS_DECO_PART_LEFT_BORDER; + } else if (sx > sw && sx < sw + bw) { + parts |= ROOTS_DECO_PART_RIGHT_BORDER; + } + } + + if (sx >= -bw && sx <= sw + bw) { + if (sy > sh && sy <= sh + bw) { + parts |= ROOTS_DECO_PART_BOTTOM_BORDER; + } else if (sy >= -(titlebar_h + bw) && sy < 0) { + parts |= ROOTS_DECO_PART_TOP_BORDER; + } + } + + // TODO corners + + return parts; +} + +static void view_update_output(const struct roots_view *view, + const struct wlr_box *before) { + struct roots_desktop *desktop = view->desktop; + + if (view->wlr_surface == NULL) { + return; + } + + struct wlr_box box; + view_get_box(view, &box); + + struct roots_output *output; + wl_list_for_each(output, &desktop->outputs, link) { + bool intersected = before != NULL && wlr_output_layout_intersects( + desktop->layout, output->wlr_output, before); + bool intersects = wlr_output_layout_intersects(desktop->layout, + output->wlr_output, &box); + if (intersected && !intersects) { + wlr_surface_send_leave(view->wlr_surface, output->wlr_output); + if (view->toplevel_handle) { + wlr_foreign_toplevel_handle_v1_output_leave( + view->toplevel_handle, output->wlr_output); + } + } + if (!intersected && intersects) { + wlr_surface_send_enter(view->wlr_surface, output->wlr_output); + if (view->toplevel_handle) { + wlr_foreign_toplevel_handle_v1_output_enter( + view->toplevel_handle, output->wlr_output); + } + } + } +} + +void view_move(struct roots_view *view, double x, double y) { + if (view->box.x == x && view->box.y == y) { + return; + } + + struct wlr_box before; + view_get_box(view, &before); + if (view->impl->move) { + view->impl->move(view, x, y); + } else { + view_update_position(view, x, y); + } + view_update_output(view, &before); +} + +void view_activate(struct roots_view *view, bool activate) { + if (view->impl->activate) { + view->impl->activate(view, activate); + } + + if (view->toplevel_handle) { + wlr_foreign_toplevel_handle_v1_set_activated(view->toplevel_handle, + activate); + } +} + +void view_resize(struct roots_view *view, uint32_t width, uint32_t height) { + struct wlr_box before; + view_get_box(view, &before); + if (view->impl->resize) { + view->impl->resize(view, width, height); + } + view_update_output(view, &before); +} + +void view_move_resize(struct roots_view *view, double x, double y, + uint32_t width, uint32_t height) { + bool update_x = x != view->box.x; + bool update_y = y != view->box.y; + if (!update_x && !update_y) { + view_resize(view, width, height); + return; + } + + if (view->impl->move_resize) { + view->impl->move_resize(view, x, y, width, height); + return; + } + + view->pending_move_resize.update_x = update_x; + view->pending_move_resize.update_y = update_y; + view->pending_move_resize.x = x; + view->pending_move_resize.y = y; + view->pending_move_resize.width = width; + view->pending_move_resize.height = height; + + view_resize(view, width, height); +} + +static struct wlr_output *view_get_output(struct roots_view *view) { + struct wlr_box view_box; + view_get_box(view, &view_box); + + double output_x, output_y; + wlr_output_layout_closest_point(view->desktop->layout, NULL, + view->box.x + (double)view_box.width/2, + view->box.y + (double)view_box.height/2, + &output_x, &output_y); + return wlr_output_layout_output_at(view->desktop->layout, output_x, + output_y); +} + +void view_arrange_maximized(struct roots_view *view) { + if (view->fullscreen_output != NULL) { + return; + } + + struct wlr_box view_box; + view_get_box(view, &view_box); + + struct wlr_output *output = view_get_output(view); + struct roots_output *roots_output = output->data; + struct wlr_box *output_box = + wlr_output_layout_get_box(view->desktop->layout, output); + struct wlr_box usable_area; + memcpy(&usable_area, &roots_output->usable_area, + sizeof(struct wlr_box)); + usable_area.x += output_box->x; + usable_area.y += output_box->y; + + view_move_resize(view, usable_area.x, usable_area.y, + usable_area.width, usable_area.height); + view_rotate(view, 0); +} + +void view_maximize(struct roots_view *view, bool maximized) { + if (view->maximized == maximized || view->fullscreen_output != NULL) { + return; + } + + if (view->impl->maximize) { + view->impl->maximize(view, maximized); + } + + if (view->toplevel_handle) { + wlr_foreign_toplevel_handle_v1_set_maximized(view->toplevel_handle, + maximized); + } + + if (!view->maximized && maximized) { + view->maximized = true; + view->saved.x = view->box.x; + view->saved.y = view->box.y; + view->saved.rotation = view->rotation; + view->saved.width = view->box.width; + view->saved.height = view->box.height; + + view_arrange_maximized(view); + } + + if (view->maximized && !maximized) { + view->maximized = false; + + view_move_resize(view, view->saved.x, view->saved.y, view->saved.width, + view->saved.height); + view_rotate(view, view->saved.rotation); + } +} + +void view_set_fullscreen(struct roots_view *view, bool fullscreen, + struct wlr_output *output) { + bool was_fullscreen = view->fullscreen_output != NULL; + if (was_fullscreen == fullscreen) { + // TODO: support changing the output? + return; + } + + // TODO: check if client is focused? + + if (view->impl->set_fullscreen) { + view->impl->set_fullscreen(view, fullscreen); + } + + if (!was_fullscreen && fullscreen) { + if (output == NULL) { + output = view_get_output(view); + } + struct roots_output *roots_output = + desktop_output_from_wlr_output(view->desktop, output); + if (roots_output == NULL) { + return; + } + + struct wlr_box view_box; + view_get_box(view, &view_box); + + view->saved.x = view->box.x; + view->saved.y = view->box.y; + view->saved.rotation = view->rotation; + view->saved.width = view_box.width; + view->saved.height = view_box.height; + + struct wlr_box *output_box = + wlr_output_layout_get_box(view->desktop->layout, output); + view_move_resize(view, output_box->x, output_box->y, output_box->width, + output_box->height); + view_rotate(view, 0); + + roots_output->fullscreen_view = view; + view->fullscreen_output = roots_output; + output_damage_whole(roots_output); + } + + if (was_fullscreen && !fullscreen) { + view_move_resize(view, view->saved.x, view->saved.y, view->saved.width, + view->saved.height); + view_rotate(view, view->saved.rotation); + + output_damage_whole(view->fullscreen_output); + view->fullscreen_output->fullscreen_view = NULL; + view->fullscreen_output = NULL; + } +} + +void view_rotate(struct roots_view *view, float rotation) { + if (view->rotation == rotation) { + return; + } + + view_damage_whole(view); + view->rotation = rotation; + view_damage_whole(view); +} + +void view_cycle_alpha(struct roots_view *view) { + view->alpha -= 0.05; + /* Don't go completely transparent */ + if (view->alpha < 0.1) { + view->alpha = 1.0; + } + view_damage_whole(view); +} + +void view_close(struct roots_view *view) { + if (view->impl->close) { + view->impl->close(view); + } +} + +bool view_center(struct roots_view *view) { + struct wlr_box box; + view_get_box(view, &box); + + struct roots_desktop *desktop = view->desktop; + struct roots_input *input = desktop->server->input; + struct roots_seat *seat = input_last_active_seat(input); + if (!seat) { + return false; + } + + struct wlr_output *output = wlr_output_layout_output_at(desktop->layout, + seat->cursor->cursor->x, seat->cursor->cursor->y); + if (!output) { + // empty layout + return false; + } + + const struct wlr_output_layout_output *l_output = + wlr_output_layout_get(desktop->layout, output); + + int width, height; + wlr_output_effective_resolution(output, &width, &height); + + double view_x = (double)(width - box.width) / 2 + l_output->x; + double view_y = (double)(height - box.height) / 2 + l_output->y; + view_move(view, view_x, view_y); + + return true; +} + +void view_child_finish(struct roots_view_child *child) { + if (child == NULL) { + return; + } + view_damage_whole(child->view); + wl_list_remove(&child->link); + wl_list_remove(&child->commit.link); + wl_list_remove(&child->new_subsurface.link); +} + +static void view_child_handle_commit(struct wl_listener *listener, + void *data) { + struct roots_view_child *child = wl_container_of(listener, child, commit); + view_apply_damage(child->view); +} + +static void view_child_handle_new_subsurface(struct wl_listener *listener, + void *data) { + struct roots_view_child *child = + wl_container_of(listener, child, new_subsurface); + struct wlr_subsurface *wlr_subsurface = data; + subsurface_create(child->view, wlr_subsurface); +} + +void view_child_init(struct roots_view_child *child, struct roots_view *view, + struct wlr_surface *wlr_surface) { + assert(child->destroy); + child->view = view; + child->wlr_surface = wlr_surface; + child->commit.notify = view_child_handle_commit; + wl_signal_add(&wlr_surface->events.commit, &child->commit); + child->new_subsurface.notify = view_child_handle_new_subsurface; + wl_signal_add(&wlr_surface->events.new_subsurface, &child->new_subsurface); + wl_list_insert(&view->children, &child->link); +} + +static void subsurface_destroy(struct roots_view_child *child) { + assert(child->destroy == subsurface_destroy); + struct roots_subsurface *subsurface = (struct roots_subsurface *)child; + if (subsurface == NULL) { + return; + } + wl_list_remove(&subsurface->destroy.link); + wl_list_remove(&subsurface->map.link); + wl_list_remove(&subsurface->unmap.link); + view_child_finish(&subsurface->view_child); + free(subsurface); +} + +static void subsurface_handle_destroy(struct wl_listener *listener, + void *data) { + struct roots_subsurface *subsurface = + wl_container_of(listener, subsurface, destroy); + subsurface_destroy(&subsurface->view_child); +} + +static void subsurface_handle_map(struct wl_listener *listener, + void *data) { + struct roots_subsurface *subsurface = + wl_container_of(listener, subsurface, map); + struct roots_view *view = subsurface->view_child.view; + view_damage_whole(view); + input_update_cursor_focus(view->desktop->server->input); +} + +static void subsurface_handle_unmap(struct wl_listener *listener, + void *data) { + struct roots_subsurface *subsurface = + wl_container_of(listener, subsurface, unmap); + struct roots_view *view = subsurface->view_child.view; + view_damage_whole(view); + input_update_cursor_focus(view->desktop->server->input); +} + +struct roots_subsurface *subsurface_create(struct roots_view *view, + struct wlr_subsurface *wlr_subsurface) { + struct roots_subsurface *subsurface = + calloc(1, sizeof(struct roots_subsurface)); + if (subsurface == NULL) { + return NULL; + } + subsurface->wlr_subsurface = wlr_subsurface; + subsurface->view_child.destroy = subsurface_destroy; + view_child_init(&subsurface->view_child, view, wlr_subsurface->surface); + subsurface->destroy.notify = subsurface_handle_destroy; + wl_signal_add(&wlr_subsurface->events.destroy, &subsurface->destroy); + subsurface->map.notify = subsurface_handle_map; + wl_signal_add(&wlr_subsurface->events.map, &subsurface->map); + subsurface->unmap.notify = subsurface_handle_unmap; + wl_signal_add(&wlr_subsurface->events.unmap, &subsurface->unmap); + return subsurface; +} + +void view_destroy(struct roots_view *view) { + if (view == NULL) { + return; + } + + wl_signal_emit(&view->events.destroy, view); + + if (view->wlr_surface != NULL) { + view_unmap(view); + } + + // Can happen if fullscreened while unmapped, and hasn't been mapped + if (view->fullscreen_output != NULL) { + view->fullscreen_output->fullscreen_view = NULL; + } + + if (view->impl->destroy) { + view->impl->destroy(view); + } + + free(view); +} + +static void view_handle_new_subsurface(struct wl_listener *listener, + void *data) { + struct roots_view *view = wl_container_of(listener, view, new_subsurface); + struct wlr_subsurface *wlr_subsurface = data; + subsurface_create(view, wlr_subsurface); +} + +void view_map(struct roots_view *view, struct wlr_surface *surface) { + assert(view->wlr_surface == NULL); + + view->wlr_surface = surface; + + struct wlr_subsurface *subsurface; + wl_list_for_each(subsurface, &view->wlr_surface->subsurfaces, + parent_link) { + subsurface_create(view, subsurface); + } + + view->new_subsurface.notify = view_handle_new_subsurface; + wl_signal_add(&view->wlr_surface->events.new_subsurface, + &view->new_subsurface); + + wl_list_insert(&view->desktop->views, &view->link); + view_damage_whole(view); + input_update_cursor_focus(view->desktop->server->input); +} + +void view_unmap(struct roots_view *view) { + assert(view->wlr_surface != NULL); + + wl_signal_emit(&view->events.unmap, view); + + view_damage_whole(view); + wl_list_remove(&view->link); + + wl_list_remove(&view->new_subsurface.link); + + struct roots_view_child *child, *tmp; + wl_list_for_each_safe(child, tmp, &view->children, link) { + child->destroy(child); + } + + if (view->fullscreen_output != NULL) { + output_damage_whole(view->fullscreen_output); + view->fullscreen_output->fullscreen_view = NULL; + view->fullscreen_output = NULL; + } + + view->wlr_surface = NULL; + view->box.width = view->box.height = 0; + + if (view->toplevel_handle) { + wlr_foreign_toplevel_handle_v1_destroy(view->toplevel_handle); + view->toplevel_handle = NULL; + } +} + +void view_initial_focus(struct roots_view *view) { + struct roots_input *input = view->desktop->server->input; + // TODO what seat gets focus? the one with the last input event? + struct roots_seat *seat; + wl_list_for_each(seat, &input->seats, link) { + roots_seat_set_focus(seat, view); + } +} + +void view_setup(struct roots_view *view) { + view_initial_focus(view); + + if (view->fullscreen_output == NULL && !view->maximized) { + view_center(view); + } + + view_create_foreign_toplevel_handle(view); + view_update_output(view, NULL); +} + +void view_apply_damage(struct roots_view *view) { + struct roots_output *output; + wl_list_for_each(output, &view->desktop->outputs, link) { + output_damage_from_view(output, view); + } +} + +void view_damage_whole(struct roots_view *view) { + struct roots_output *output; + wl_list_for_each(output, &view->desktop->outputs, link) { + output_damage_whole_view(output, view); + } +} + +void view_update_position(struct roots_view *view, int x, int y) { + if (view->box.x == x && view->box.y == y) { + return; + } + + view_damage_whole(view); + view->box.x = x; + view->box.y = y; + view_damage_whole(view); +} + +void view_update_size(struct roots_view *view, int width, int height) { + if (view->box.width == width && view->box.height == height) { + return; + } + + view_damage_whole(view); + view->box.width = width; + view->box.height = height; + view_damage_whole(view); +} + +void view_update_decorated(struct roots_view *view, bool decorated) { + if (view->decorated == decorated) { + return; + } + + view_damage_whole(view); + view->decorated = decorated; + if (decorated) { + view->border_width = 4; + view->titlebar_height = 12; + } else { + view->border_width = 0; + view->titlebar_height = 0; + } + view_damage_whole(view); +} + +void view_set_title(struct roots_view *view, const char *title) { + if (view->toplevel_handle) { + wlr_foreign_toplevel_handle_v1_set_title(view->toplevel_handle, title); + } +} + +void view_set_app_id(struct roots_view *view, const char *app_id) { + if (view->toplevel_handle) { + wlr_foreign_toplevel_handle_v1_set_app_id(view->toplevel_handle, app_id); + } +} + +static void handle_toplevel_handle_request_maximize(struct wl_listener *listener, + void *data) { + struct roots_view *view = wl_container_of(listener, view, + toplevel_handle_request_maximize); + struct wlr_foreign_toplevel_handle_v1_maximized_event *event = data; + view_maximize(view, event->maximized); +} + +static void handle_toplevel_handle_request_activate(struct wl_listener *listener, + void *data) { + struct roots_view *view = + wl_container_of(listener, view, toplevel_handle_request_activate); + struct wlr_foreign_toplevel_handle_v1_activated_event *event = data; + + struct roots_seat *seat; + wl_list_for_each(seat, &view->desktop->server->input->seats, link) { + if (event->seat == seat->seat) { + roots_seat_set_focus(seat, view); + } + } +} + +static void handle_toplevel_handle_request_close(struct wl_listener *listener, + void *data) { + struct roots_view *view = + wl_container_of(listener, view, toplevel_handle_request_close); + view_close(view); +} + +void view_create_foreign_toplevel_handle(struct roots_view *view) { + view->toplevel_handle = + wlr_foreign_toplevel_handle_v1_create( + view->desktop->foreign_toplevel_manager_v1); + + view->toplevel_handle_request_maximize.notify = + handle_toplevel_handle_request_maximize; + wl_signal_add(&view->toplevel_handle->events.request_maximize, + &view->toplevel_handle_request_maximize); + view->toplevel_handle_request_activate.notify = + handle_toplevel_handle_request_activate; + wl_signal_add(&view->toplevel_handle->events.request_activate, + &view->toplevel_handle_request_activate); + view->toplevel_handle_request_close.notify = + handle_toplevel_handle_request_close; + wl_signal_add(&view->toplevel_handle->events.request_close, + &view->toplevel_handle_request_close); +} diff --git a/rootston/wl_shell.c b/rootston/wl_shell.c index 2bf4f4c2..97067937 100644 --- a/rootston/wl_shell.c +++ b/rootston/wl_shell.c @@ -93,6 +93,12 @@ static void destroy(struct roots_view *view) { free(roots_surface); } +static const struct roots_view_interface view_impl = { + .resize = resize, + .close = close, + .destroy = destroy, +}; + 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); @@ -251,7 +257,7 @@ void handle_wl_shell_surface(struct wl_listener *listener, void *data) { roots_surface->surface_commit.notify = handle_surface_commit; wl_signal_add(&surface->surface->events.commit, &roots_surface->surface_commit); - struct roots_view *view = view_create(desktop); + struct roots_view *view = view_create(desktop, &view_impl); if (!view) { free(roots_surface); return; @@ -262,9 +268,6 @@ void handle_wl_shell_surface(struct wl_listener *listener, void *data) { view->wl_shell_surface = surface; view->roots_wl_shell_surface = roots_surface; - view->resize = resize; - view->close = close; - view->destroy = destroy; roots_surface->view = view; view_map(view, surface->surface); diff --git a/rootston/xdg_shell.c b/rootston/xdg_shell.c index 918f90ab..82af345b 100644 --- a/rootston/xdg_shell.c +++ b/rootston/xdg_shell.c @@ -271,6 +271,16 @@ static void destroy(struct roots_view *view) { free(roots_xdg_surface); } +static const struct roots_view_interface view_impl = { + .activate = activate, + .resize = resize, + .move_resize = move_resize, + .maximize = maximize, + .set_fullscreen = set_fullscreen, + .close = close, + .destroy = destroy, +}; + static void handle_request_move(struct wl_listener *listener, void *data) { struct roots_xdg_surface *roots_xdg_surface = wl_container_of(listener, roots_xdg_surface, request_move); @@ -470,7 +480,7 @@ void handle_xdg_shell_surface(struct wl_listener *listener, void *data) { wl_signal_add(&surface->events.new_popup, &roots_surface->new_popup); surface->data = roots_surface; - struct roots_view *view = view_create(desktop); + struct roots_view *view = view_create(desktop, &view_impl); if (!view) { free(roots_surface); return; @@ -479,13 +489,6 @@ void handle_xdg_shell_surface(struct wl_listener *listener, void *data) { view->xdg_surface = surface; view->roots_xdg_surface = roots_surface; - view->activate = activate; - view->resize = resize; - view->move_resize = move_resize; - view->maximize = maximize; - view->set_fullscreen = set_fullscreen; - view->close = close; - view->destroy = destroy; roots_surface->view = view; if (surface->toplevel->client_pending.maximized) { diff --git a/rootston/xdg_shell_v6.c b/rootston/xdg_shell_v6.c index 8d989aef..88608f95 100644 --- a/rootston/xdg_shell_v6.c +++ b/rootston/xdg_shell_v6.c @@ -270,6 +270,16 @@ static void destroy(struct roots_view *view) { free(roots_xdg_surface); } +static const struct roots_view_interface view_impl = { + .activate = activate, + .resize = resize, + .move_resize = move_resize, + .maximize = maximize, + .set_fullscreen = set_fullscreen, + .close = close, + .destroy = destroy, +}; + 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); @@ -461,14 +471,15 @@ void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data) { wl_signal_add(&surface->toplevel->events.request_fullscreen, &roots_surface->request_fullscreen); roots_surface->set_title.notify = handle_set_title; - wl_signal_add(&surface->toplevel->events.set_title, &roots_surface->set_title); + wl_signal_add(&surface->toplevel->events.set_title, + &roots_surface->set_title); roots_surface->set_app_id.notify = handle_set_app_id; wl_signal_add(&surface->toplevel->events.set_app_id, &roots_surface->set_app_id); roots_surface->new_popup.notify = handle_new_popup; wl_signal_add(&surface->events.new_popup, &roots_surface->new_popup); - struct roots_view *view = view_create(desktop); + struct roots_view *view = view_create(desktop, &view_impl); if (!view) { free(roots_surface); return; @@ -477,13 +488,6 @@ 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->activate = activate; - view->resize = resize; - view->move_resize = move_resize; - view->maximize = maximize; - view->set_fullscreen = set_fullscreen; - view->close = close; - view->destroy = destroy; roots_surface->view = view; if (surface->toplevel->client_pending.maximized) { diff --git a/rootston/xwayland.c b/rootston/xwayland.c index f3f962e8..c2c17591 100644 --- a/rootston/xwayland.c +++ b/rootston/xwayland.c @@ -121,6 +121,17 @@ static void destroy(struct roots_view *view) { free(roots_surface); } +static const struct roots_view_interface view_impl = { + .activate = activate, + .resize = resize, + .move = move, + .move_resize = move_resize, + .maximize = maximize, + .set_fullscreen = set_fullscreen, + .close = close, + .destroy = destroy, +}; + static void handle_destroy(struct wl_listener *listener, void *data) { struct roots_xwayland_surface *roots_surface = wl_container_of(listener, roots_surface, destroy); @@ -328,7 +339,7 @@ void handle_xwayland_surface(struct wl_listener *listener, void *data) { wl_signal_add(&surface->events.set_class, &roots_surface->set_class); - struct roots_view *view = view_create(desktop); + struct roots_view *view = view_create(desktop, &view_impl); if (view == NULL) { free(roots_surface); return; @@ -339,13 +350,5 @@ void handle_xwayland_surface(struct wl_listener *listener, void *data) { view->xwayland_surface = surface; view->roots_xwayland_surface = roots_surface; - view->activate = activate; - view->resize = resize; - view->move = move; - view->move_resize = move_resize; - view->maximize = maximize; - view->set_fullscreen = set_fullscreen; - view->close = close; - view->destroy = destroy; roots_surface->view = view; }