diff options
Diffstat (limited to 'rootston/view.c')
| -rw-r--r-- | rootston/view.c | 685 |
1 files changed, 0 insertions, 685 deletions
diff --git a/rootston/view.c b/rootston/view.c deleted file mode 100644 index 6619743a..00000000 --- a/rootston/view.c +++ /dev/null @@ -1,685 +0,0 @@ -#include <assert.h> -#include <stdlib.h> -#include <string.h> -#include <wlr/types/wlr_output_layout.h> -#include "rootston/desktop.h" -#include "rootston/input.h" -#include "rootston/seat.h" -#include "rootston/server.h" -#include "rootston/view.h" - -void view_init(struct roots_view *view, const struct roots_view_interface *impl, - enum roots_view_type type, struct roots_desktop *desktop) { - assert(impl->destroy); - view->impl = impl; - view->type = type; - view->desktop = desktop; - view->alpha = 1.0f; - wl_signal_init(&view->events.unmap); - wl_signal_init(&view->events.destroy); - wl_list_init(&view->children); -} - -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; - } - - view->impl->destroy(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 (view->toplevel_handle) { - wlr_foreign_toplevel_handle_v1_set_fullscreen(view->toplevel_handle, - 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_destroy(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); - child->impl->destroy(child); -} - -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, - const struct roots_view_child_interface *impl, struct roots_view *view, - struct wlr_surface *wlr_surface) { - assert(impl->destroy); - child->impl = impl; - 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 const struct roots_view_child_interface subsurface_impl; - -static void subsurface_destroy(struct roots_view_child *child) { - assert(child->impl == &subsurface_impl); - struct roots_subsurface *subsurface = (struct roots_subsurface *)child; - wl_list_remove(&subsurface->destroy.link); - wl_list_remove(&subsurface->map.link); - wl_list_remove(&subsurface->unmap.link); - free(subsurface); -} - -static const struct roots_view_child_interface subsurface_impl = { - .destroy = subsurface_destroy, -}; - -static void subsurface_handle_destroy(struct wl_listener *listener, - void *data) { - struct roots_subsurface *subsurface = - wl_container_of(listener, subsurface, destroy); - view_child_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; - view_child_init(&subsurface->view_child, &subsurface_impl, - 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; -} - -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) { - view_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_for_each_surface(struct roots_view *view, - wlr_surface_iterator_func_t iterator, void *user_data) { - if (view->impl->for_each_surface) { - view->impl->for_each_surface(view, iterator, user_data); - } else if (view->wlr_surface) { - wlr_surface_for_each_surface(view->wlr_surface, iterator, user_data); - } -} - -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_fullscreen(struct wl_listener *listener, - void *data) { - struct roots_view *view = - wl_container_of(listener, view, toplevel_handle_request_fullscreen); - struct wlr_foreign_toplevel_handle_v1_fullscreen_event *event = data; - view_set_fullscreen(view, event->fullscreen, event->output); -} - -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_fullscreen.notify = - handle_toplevel_handle_request_fullscreen; - wl_signal_add(&view->toplevel_handle->events.request_fullscreen, - &view->toplevel_handle_request_fullscreen); - 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); -} |