diff options
| -rw-r--r-- | .gitmodules | 2 | ||||
| -rw-r--r-- | harness/CMakeLists.txt | 3 | ||||
| -rw-r--r-- | harness/include/plugin.h | 4 | ||||
| -rw-r--r-- | harness/include/wl.h | 106 | ||||
| -rw-r--r-- | harness/src/wl.c | 726 | ||||
| -rw-r--r-- | harness/src/wl.h | 95 | ||||
| m--------- | wlroots | 0 |
7 files changed, 502 insertions, 434 deletions
diff --git a/.gitmodules b/.gitmodules index 97560e8..be65190 100644 --- a/.gitmodules +++ b/.gitmodules @@ -1,3 +1,3 @@ [submodule "wlroots"] path = wlroots - url = https://github.com/swaywm/wlroots.git + url = https://gitlab.freedesktop.org/wlroots/wlroots.git diff --git a/harness/CMakeLists.txt b/harness/CMakeLists.txt index 0b91cd3..13bbafd 100644 --- a/harness/CMakeLists.txt +++ b/harness/CMakeLists.txt @@ -75,6 +75,7 @@ add_executable (wtr_harness ${SOURCES} ${PLUGIN_LOAD} ${PLUGIN_INTF} xdg-shell-protocol.c) target_link_libraries(wtr_harness dl) -target_link_directories(wtr_harness PUBLIC "../wlroots/build/") +target_link_directories(wtr_harness PUBLIC + "${CMAKE_CURRENT_BINARY_DIR}/../wlroots") target_link_libraries(wtr_harness wlroots wayland-server xkbcommon pthread) target_link_options(wtr_harness PRIVATE -Wl,--wrap=pthread_create) diff --git a/harness/include/plugin.h b/harness/include/plugin.h index cc18158..c48a2f5 100644 --- a/harness/include/plugin.h +++ b/harness/include/plugin.h @@ -139,8 +139,8 @@ typedef struct PLUGIN { * Handles a keybinding. */ EXPORT(opqst_t (*plugin_handle_keybinding)( - struct wlr_input_device *input_device, - struct wlr_event_keyboard_key *event, uint32_t modifiers, uint32_t keysym, + struct wlr_keyboard *keyboard, + struct wlr_keyboard_key_event *event, uint32_t modifiers, uint32_t keysym, uint32_t codepoint, int *out_handled, opqst_t state)); /* diff --git a/harness/include/wl.h b/harness/include/wl.h new file mode 100644 index 0000000..b8d4e14 --- /dev/null +++ b/harness/include/wl.h @@ -0,0 +1,106 @@ +#pragma once + +#include <assert.h> +#include <getopt.h> +#include <stdbool.h> +#include <unistd.h> +#include <wayland-server-core.h> +#include <wlr/backend.h> +#include <wlr/render/allocator.h> +#include <wlr/render/wlr_renderer.h> +#include <wlr/types/wlr_cursor.h> +#include <wlr/types/wlr_compositor.h> +#include <wlr/types/wlr_data_device.h> +#include <wlr/types/wlr_input_device.h> +#include <wlr/types/wlr_keyboard.h> +#include <wlr/types/wlr_output.h> +#include <wlr/types/wlr_output_layout.h> +#include <wlr/types/wlr_pointer.h> +#include <wlr/types/wlr_scene.h> +#include <wlr/types/wlr_seat.h> +#include <wlr/types/wlr_subcompositor.h> +#include <wlr/types/wlr_xcursor_manager.h> +#include <wlr/types/wlr_xdg_shell.h> +#include <wlr/util/log.h> +#include <xkbcommon/xkbcommon.h> + +#include <plugin.h> + +/* For brevity's sake, struct members are annotated where they are used. */ +enum tinywl_cursor_mode { + TINYWL_CURSOR_PASSTHROUGH, + TINYWL_CURSOR_MOVE, + TINYWL_CURSOR_RESIZE, +}; + +struct tinywl_server { + struct wl_display *wl_display; + struct wlr_backend *backend; + struct wlr_renderer *renderer; + struct wlr_allocator *allocator; + struct wlr_scene *scene; + struct wlr_scene_output_layout *scene_layout; + + struct wlr_xdg_shell *xdg_shell; + struct wl_listener new_xdg_surface; + struct wl_list toplevels; + + struct wlr_cursor *cursor; + struct wlr_xcursor_manager *cursor_mgr; + struct wl_listener cursor_motion; + struct wl_listener cursor_motion_absolute; + struct wl_listener cursor_button; + struct wl_listener cursor_axis; + struct wl_listener cursor_frame; + + struct wlr_seat *seat; + struct wl_listener new_input; + struct wl_listener request_cursor; + struct wl_listener request_set_selection; + struct wl_list keyboards; + enum tinywl_cursor_mode cursor_mode; + struct tinywl_toplevel *grabbed_toplevel; + double grab_x, grab_y; + struct wlr_box grab_geobox; + uint32_t resize_edges; + + struct wlr_output_layout *output_layout; + struct wl_list outputs; + struct wl_listener new_output; + + plugin_t plugin; +}; + +struct tinywl_output { + struct wl_list link; + struct tinywl_server *server; + struct wlr_output *wlr_output; + struct wl_listener frame; + struct wl_listener request_state; + struct wl_listener destroy; +}; + +struct tinywl_toplevel { + struct wl_list link; + struct tinywl_server *server; + struct wlr_xdg_toplevel *xdg_toplevel; + struct wlr_scene_tree *scene_tree; + struct wl_listener map; + struct wl_listener unmap; + struct wl_listener destroy; + struct wl_listener request_move; + struct wl_listener request_resize; + struct wl_listener request_maximize; + struct wl_listener request_fullscreen; +}; + +struct tinywl_keyboard { + struct wl_list link; + struct tinywl_server *server; + struct wlr_keyboard *wlr_keyboard; + + struct wl_listener modifiers; + struct wl_listener key; + struct wl_listener destroy; +}; + diff --git a/harness/src/wl.c b/harness/src/wl.c index 2bbef59..1535c6d 100644 --- a/harness/src/wl.c +++ b/harness/src/wl.c @@ -1,11 +1,11 @@ #define _POSIX_C_SOURCE 200112L -#include "wl.h" - #include <stdio.h> #include <stdlib.h> #include <time.h> +#include <wl.h> + // This macro is responsible for calling a handler on a plugin. This macro will // acquire the plugin's lock, call the member with the arguments and update the // state. @@ -24,13 +24,14 @@ plugin_run_requested_actions(pl__); \ } while (0) -static void focus_view(struct tinywl_view *view, struct wlr_surface *surface) +static void focus_toplevel(struct tinywl_toplevel *toplevel, + struct wlr_surface *surface) { /* Note: this function only deals with keyboard focus. */ - if (view == NULL) { + if (toplevel == NULL) { return; } - struct tinywl_server *server = view->server; + struct tinywl_server *server = toplevel->server; struct wlr_seat *seat = server->seat; struct wlr_surface *prev_surface = seat->keyboard_state.focused_surface; if (prev_surface == surface) { @@ -43,24 +44,29 @@ static void focus_view(struct tinywl_view *view, struct wlr_surface *surface) * it no longer has focus and the client will repaint accordingly, e.g. * stop displaying a caret. */ - struct wlr_xdg_surface *previous = - wlr_xdg_surface_from_wlr_surface(seat->keyboard_state.focused_surface); - wlr_xdg_toplevel_set_activated(previous, false); + struct wlr_xdg_toplevel *prev_toplevel = + wlr_xdg_toplevel_try_from_wlr_surface(prev_surface); + if (prev_toplevel != NULL) { + wlr_xdg_toplevel_set_activated(prev_toplevel, false); + } } struct wlr_keyboard *keyboard = wlr_seat_get_keyboard(seat); - /* Move the view to the front */ - wl_list_remove(&view->link); - wl_list_insert(&server->views, &view->link); + /* Move the toplevel to the front */ + wlr_scene_node_raise_to_top(&toplevel->scene_tree->node); + wl_list_remove(&toplevel->link); + wl_list_insert(&server->toplevels, &toplevel->link); /* Activate the new surface */ - wlr_xdg_toplevel_set_activated(view->xdg_surface, true); + wlr_xdg_toplevel_set_activated(toplevel->xdg_toplevel, true); /* * Tell the seat to have the keyboard enter this surface. wlroots will keep * track of this and automatically send key events to the appropriate * clients without additional work on your part. */ - wlr_seat_keyboard_notify_enter(seat, view->xdg_surface->surface, - keyboard->keycodes, keyboard->num_keycodes, - &keyboard->modifiers); + if (keyboard != NULL) { + wlr_seat_keyboard_notify_enter(seat, toplevel->xdg_toplevel->base->surface, + keyboard->keycodes, keyboard->num_keycodes, + &keyboard->modifiers); + } } static void keyboard_handle_modifiers(struct wl_listener *listener, void *data) @@ -75,10 +81,38 @@ static void keyboard_handle_modifiers(struct wl_listener *listener, void *data) * same seat. You can swap out the underlying wlr_keyboard like this and * wlr_seat handles this transparently. */ - wlr_seat_set_keyboard(keyboard->server->seat, keyboard->device); + wlr_seat_set_keyboard(keyboard->server->seat, keyboard->wlr_keyboard); /* Send modifiers to the client. */ wlr_seat_keyboard_notify_modifiers(keyboard->server->seat, - &keyboard->device->keyboard->modifiers); + &keyboard->wlr_keyboard->modifiers); +} + +static bool handle_keybinding(struct tinywl_server *server, xkb_keysym_t sym) +{ + /* + * Here we handle compositor keybindings. This is when the compositor is + * processing keys, rather than passing them on to the client for its own + * processing. + * + * This function assumes Alt is held down. + */ + switch (sym) { + case XKB_KEY_Escape: + wl_display_terminate(server->wl_display); + break; + case XKB_KEY_F1: + /* Cycle to the next toplevel */ + if (wl_list_length(&server->toplevels) < 2) { + break; + } + struct tinywl_toplevel *next_toplevel = + wl_container_of(server->toplevels.prev, next_toplevel, link); + focus_toplevel(next_toplevel, next_toplevel->xdg_toplevel->base->surface); + break; + default: + return false; + } + return true; } static void keyboard_handle_key(struct wl_listener *listener, void *data) @@ -86,66 +120,79 @@ static void keyboard_handle_key(struct wl_listener *listener, void *data) /* This event is raised when a key is pressed or released. */ struct tinywl_keyboard *keyboard = wl_container_of(listener, keyboard, key); struct tinywl_server *server = keyboard->server; - struct wlr_event_keyboard_key *event = data; + struct wlr_keyboard_key_event *event = data; struct wlr_seat *seat = server->seat; /* Translate libinput keycode -> xkbcommon */ uint32_t keycode = event->keycode + 8; /* Get a list of keysyms based on the keymap for this keyboard */ const xkb_keysym_t *syms; - int nsyms = xkb_state_key_get_syms(keyboard->device->keyboard->xkb_state, - keycode, &syms); - uint32_t modifiers = wlr_keyboard_get_modifiers(keyboard->device->keyboard); + int nsyms = + xkb_state_key_get_syms(keyboard->wlr_keyboard->xkb_state, keycode, &syms); + + int handled = false; + uint32_t modifiers = wlr_keyboard_get_modifiers(keyboard->wlr_keyboard); uint32_t codepoint; /* Pass the information along to the plugin for the plugin to handle. The * plugin will return via 'handled' whether or not the key event was handled * or not. */ - int handled = 0; if (nsyms > 0) { codepoint = - xkb_state_key_get_utf32(keyboard->device->keyboard->xkb_state, keycode); + xkb_state_key_get_utf32(keyboard->wlr_keyboard->xkb_state, keycode); plugin_call_update_state(server->plugin, plugin_handle_keybinding, - keyboard->device, event, modifiers, syms[0], + keyboard->wlr_keyboard, event, modifiers, syms[0], codepoint, &handled); } +} - // if (!handled) { - // /* Otherwise, we pass it along to the client. */ - // wlr_seat_set_keyboard(seat, keyboard->device); - // wlr_seat_keyboard_notify_key(seat, event->time_msec, event->keycode, - // event->state); - // } +static void keyboard_handle_destroy(struct wl_listener *listener, void *data) +{ + /* This event is raised by the keyboard base wlr_input_device to signal + * the destruction of the wlr_keyboard. It will no longer receive events + * and should be destroyed. + */ + struct tinywl_keyboard *keyboard = + wl_container_of(listener, keyboard, destroy); + wl_list_remove(&keyboard->modifiers.link); + wl_list_remove(&keyboard->key.link); + wl_list_remove(&keyboard->destroy.link); + wl_list_remove(&keyboard->link); + free(keyboard); } static void server_new_keyboard(struct tinywl_server *server, struct wlr_input_device *device) { - struct tinywl_keyboard *keyboard = calloc(1, sizeof(struct tinywl_keyboard)); + struct wlr_keyboard *wlr_keyboard = wlr_keyboard_from_input_device(device); + + struct tinywl_keyboard *keyboard = calloc(1, sizeof(*keyboard)); keyboard->server = server; - keyboard->device = device; + keyboard->wlr_keyboard = wlr_keyboard; - /* We need to prepare an XKB keymap and assign it to the keyboard. This - * assumes the defaults (e.g. layout = "us"). */ - struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS); struct xkb_rule_names names = (struct xkb_rule_names){0}; names.layout = "jr"; names.variant = "jdvprk"; names.options = "numpad:mac"; + /* We need to prepare an XKB keymap and assign it to the keyboard. This + * assumes the defaults (e.g. layout = "us"). */ + struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS); struct xkb_keymap *keymap = xkb_keymap_new_from_names(context, &names, XKB_KEYMAP_COMPILE_NO_FLAGS); - wlr_keyboard_set_keymap(device->keyboard, keymap); + wlr_keyboard_set_keymap(wlr_keyboard, keymap); xkb_keymap_unref(keymap); xkb_context_unref(context); - wlr_keyboard_set_repeat_info(device->keyboard, 25, 600); + wlr_keyboard_set_repeat_info(wlr_keyboard, 25, 600); /* Here we set up listeners for keyboard events. */ keyboard->modifiers.notify = keyboard_handle_modifiers; - wl_signal_add(&device->keyboard->events.modifiers, &keyboard->modifiers); + wl_signal_add(&wlr_keyboard->events.modifiers, &keyboard->modifiers); keyboard->key.notify = keyboard_handle_key; - wl_signal_add(&device->keyboard->events.key, &keyboard->key); + wl_signal_add(&wlr_keyboard->events.key, &keyboard->key); + keyboard->destroy.notify = keyboard_handle_destroy; + wl_signal_add(&device->events.destroy, &keyboard->destroy); - wlr_seat_set_keyboard(server->seat, device); + wlr_seat_set_keyboard(server->seat, keyboard->wlr_keyboard); /* And add the keyboard to our list of keyboards */ wl_list_insert(&server->keyboards, &keyboard->link); @@ -219,71 +266,65 @@ static void seat_request_set_selection(struct wl_listener *listener, void *data) wlr_seat_set_selection(server->seat, event->source, event->serial); } -static bool view_at(struct tinywl_view *view, double lx, double ly, - struct wlr_surface **surface, double *sx, double *sy) +static struct tinywl_toplevel *desktop_toplevel_at(struct tinywl_server *server, + double lx, double ly, + struct wlr_surface **surface, + double *sx, double *sy) { - /* - * XDG toplevels may have nested surfaces, such as popup windows for context - * menus or tooltips. This function tests if any of those are underneath the - * coordinates lx and ly (in output Layout Coordinates). If so, it sets the - * surface pointer to that wlr_surface and the sx and sy coordinates to the - * coordinates relative to that surface's top-left corner. - */ - double view_sx = lx - view->x; - double view_sy = ly - view->y; - - double _sx, _sy; - struct wlr_surface *_surface = NULL; - _surface = wlr_xdg_surface_surface_at(view->xdg_surface, view_sx, view_sy, - &_sx, &_sy); - - if (_surface != NULL) { - *sx = _sx; - *sy = _sy; - *surface = _surface; - return true; - } - - return false; + /* This returns the topmost node in the scene at the given layout coords. + * We only care about surface nodes as we are specifically looking for a + * surface in the surface tree of a tinywl_toplevel. */ + struct wlr_scene_node *node = + wlr_scene_node_at(&server->scene->tree.node, lx, ly, sx, sy); + if (node == NULL || node->type != WLR_SCENE_NODE_BUFFER) { + return NULL; + } + struct wlr_scene_buffer *scene_buffer = wlr_scene_buffer_from_node(node); + struct wlr_scene_surface *scene_surface = + wlr_scene_surface_try_from_buffer(scene_buffer); + if (!scene_surface) { + return NULL; + } + + *surface = scene_surface->surface; + /* Find the node corresponding to the tinywl_toplevel at the root of this + * surface tree, it is the only one for which we set the data field. */ + struct wlr_scene_tree *tree = node->parent; + while (tree != NULL && tree->node.data == NULL) { + tree = tree->node.parent; + } + return tree->node.data; } -static struct tinywl_view *desktop_view_at(struct tinywl_server *server, - double lx, double ly, - struct wlr_surface **surface, - double *sx, double *sy) +static void reset_cursor_mode(struct tinywl_server *server) { - /* This iterates over all of our surfaces and attempts to find one under the - * cursor. This relies on server->views being ordered from top-to-bottom. */ - struct tinywl_view *view; - wl_list_for_each(view, &server->views, link) - { - if (view_at(view, lx, ly, surface, sx, sy)) { - return view; - } - } - return NULL; + /* Reset the cursor mode to passthrough. */ + server->cursor_mode = TINYWL_CURSOR_PASSTHROUGH; + server->grabbed_toplevel = NULL; } static void process_cursor_move(struct tinywl_server *server, uint32_t time) { - /* Move the grabbed view to the new position. */ - server->grabbed_view->x = server->cursor->x - server->grab_x; - server->grabbed_view->y = server->cursor->y - server->grab_y; + /* Move the grabbed toplevel to the new position. */ + struct tinywl_toplevel *toplevel = server->grabbed_toplevel; + wlr_scene_node_set_position(&toplevel->scene_tree->node, + server->cursor->x - server->grab_x, + server->cursor->y - server->grab_y); } static void process_cursor_resize(struct tinywl_server *server, uint32_t time) { /* - * Resizing the grabbed view can be a little bit complicated, because we - * could be resizing from any corner or edge. This not only resizes the view - * on one or two axes, but can also move the view if you resize from the top - * or left edges (or top-left corner). + * Resizing the grabbed toplevel can be a little bit complicated, because we + * could be resizing from any corner or edge. This not only resizes the + * toplevel on one or two axes, but can also move the toplevel if you resize + * from the top or left edges (or top-left corner). * - * Note that I took some shortcuts here. In a more fleshed-out compositor, - * you'd wait for the client to prepare a buffer at the new size, then - * commit any movement that was prepared. + * Note that some shortcuts are taken here. In a more fleshed-out + * compositor, you'd wait for the client to prepare a buffer at the new + * size, then commit any movement that was prepared. */ - struct tinywl_view *view = server->grabbed_view; + struct tinywl_toplevel *toplevel = server->grabbed_toplevel; double border_x = server->cursor->x - server->grab_x; double border_y = server->cursor->y - server->grab_y; int new_left = server->grab_geobox.x; @@ -317,13 +358,13 @@ static void process_cursor_resize(struct tinywl_server *server, uint32_t time) } struct wlr_box geo_box; - wlr_xdg_surface_get_geometry(view->xdg_surface, &geo_box); - view->x = new_left - geo_box.x; - view->y = new_top - geo_box.y; + wlr_xdg_surface_get_geometry(toplevel->xdg_toplevel->base, &geo_box); + wlr_scene_node_set_position(&toplevel->scene_tree->node, new_left - geo_box.x, + new_top - geo_box.y); int new_width = new_right - new_left; int new_height = new_bottom - new_top; - wlr_xdg_toplevel_set_size(view->xdg_surface, new_width, new_height); + wlr_xdg_toplevel_set_size(toplevel->xdg_toplevel, new_width, new_height); } static void process_cursor_motion(struct tinywl_server *server, uint32_t time) @@ -338,18 +379,17 @@ static void process_cursor_motion(struct tinywl_server *server, uint32_t time) return; } - /* Otherwise, find the view under the pointer and send the event along. */ + /* Otherwise, find the toplevel under the pointer and send the event along. */ double sx, sy; struct wlr_seat *seat = server->seat; struct wlr_surface *surface = NULL; - struct tinywl_view *view = desktop_view_at( + struct tinywl_toplevel *toplevel = desktop_toplevel_at( server, server->cursor->x, server->cursor->y, &surface, &sx, &sy); - if (!view) { - /* If there's no view under the cursor, set the cursor image to a + if (!toplevel) { + /* If there's no toplevel under the cursor, set the cursor image to a * default. This is what makes the cursor image appear when you move it - * around the screen, not over any views. */ - wlr_xcursor_manager_set_cursor_image(server->cursor_mgr, "left_ptr", - server->cursor); + * around the screen, not over any toplevels. */ + wlr_cursor_set_xcursor(server->cursor, server->cursor_mgr, "default"); } if (surface) { /* @@ -379,13 +419,13 @@ static void server_cursor_motion(struct wl_listener *listener, void *data) * pointer motion event (i.e. a delta) */ struct tinywl_server *server = wl_container_of(listener, server, cursor_motion); - struct wlr_event_pointer_motion *event = data; + struct wlr_pointer_motion_event *event = data; /* The cursor doesn't move unless we tell it to. The cursor automatically * handles constraining the motion to the output layout, as well as any * special configuration applied for the specific input device which * generated the event. You can pass NULL for the device if you want to move * the cursor around without any input. */ - wlr_cursor_move(server->cursor, event->device, event->delta_x, + wlr_cursor_move(server->cursor, &event->pointer->base, event->delta_x, event->delta_y); process_cursor_motion(server, event->time_msec); } @@ -401,8 +441,9 @@ static void server_cursor_motion_absolute(struct wl_listener *listener, * emits these events. */ struct tinywl_server *server = wl_container_of(listener, server, cursor_motion_absolute); - struct wlr_event_pointer_motion_absolute *event = data; - wlr_cursor_warp_absolute(server->cursor, event->device, event->x, event->y); + struct wlr_pointer_motion_absolute_event *event = data; + wlr_cursor_warp_absolute(server->cursor, &event->pointer->base, event->x, + event->y); process_cursor_motion(server, event->time_msec); } @@ -412,21 +453,21 @@ static void server_cursor_button(struct wl_listener *listener, void *data) * event. */ struct tinywl_server *server = wl_container_of(listener, server, cursor_button); - struct wlr_event_pointer_button *event = data; + struct wlr_pointer_button_event *event = data; /* Notify the client with pointer focus that a button press has occurred */ wlr_seat_pointer_notify_button(server->seat, event->time_msec, event->button, event->state); double sx, sy; - struct wlr_surface *surface; - struct tinywl_view *view = desktop_view_at( + struct wlr_surface *surface = NULL; + struct tinywl_toplevel *toplevel = desktop_toplevel_at( server, server->cursor->x, server->cursor->y, &surface, &sx, &sy); if (event->state == WLR_BUTTON_RELEASED) { /* If you released any buttons, we exit interactive move/resize mode. */ - server->cursor_mode = TINYWL_CURSOR_PASSTHROUGH; + reset_cursor_mode(server); } else { /* Focus that client if the button was _pressed_ */ - focus_view(view, surface); + focus_toplevel(toplevel, surface); } } @@ -435,7 +476,7 @@ static void server_cursor_axis(struct wl_listener *listener, void *data) /* This event is forwarded by the cursor when a pointer emits an axis event, * for example when you move the scroll wheel. */ struct tinywl_server *server = wl_container_of(listener, server, cursor_axis); - struct wlr_event_pointer_axis *event = data; + struct wlr_pointer_axis_event *event = data; /* Notify the client with pointer focus of the axis event. */ wlr_seat_pointer_notify_axis(server->seat, event->time_msec, event->orientation, event->delta, @@ -454,131 +495,44 @@ static void server_cursor_frame(struct wl_listener *listener, void *data) wlr_seat_pointer_notify_frame(server->seat); } -/* Used to move all of the data necessary to render a surface from the top-level - * frame handler to the per-surface render function. */ -struct render_data { - struct wlr_output *output; - struct wlr_renderer *renderer; - struct tinywl_view *view; - struct timespec *when; -}; - -static void render_surface(struct wlr_surface *surface, int sx, int sy, - void *data) -{ - /* This function is called for every surface that needs to be rendered. */ - struct render_data *rdata = data; - struct tinywl_view *view = rdata->view; - struct wlr_output *output = rdata->output; - - /* We first obtain a wlr_texture, which is a GPU resource. wlroots - * automatically handles negotiating these with the client. The underlying - * resource could be an opaque handle passed from the client, or the client - * could have sent a pixel buffer which we copied to the GPU, or a few other - * means. You don't have to worry about this, wlroots takes care of it. */ - struct wlr_texture *texture = wlr_surface_get_texture(surface); - if (texture == NULL) { - return; - } - - /* The view has a position in layout coordinates. If you have two displays, - * one next to the other, both 1080p, a view on the rightmost display might - * have layout coordinates of 2000,100. We need to translate that to - * output-local coordinates, or (2000 - 1920). */ - double ox = 0, oy = 0; - wlr_output_layout_output_coords(view->server->output_layout, output, &ox, - &oy); - ox += view->x + sx, oy += view->y + sy; - - /* We also have to apply the scale factor for HiDPI outputs. This is only - * part of the puzzle, TinyWL does not fully support HiDPI. */ - struct wlr_box box = { - .x = ox * output->scale, - .y = oy * output->scale, - .width = surface->current.width * output->scale, - .height = surface->current.height * output->scale, - }; - - /* - * Those familiar with OpenGL are also familiar with the role of matricies - * in graphics programming. We need to prepare a matrix to render the view - * with. wlr_matrix_project_box is a helper which takes a box with a desired - * x, y coordinates, width and height, and an output geometry, then - * prepares an orthographic projection and multiplies the necessary - * transforms to produce a model-view-projection matrix. - * - * Naturally you can do this any way you like, for example to make a 3D - * compositor. - */ - float matrix[9]; - enum wl_output_transform transform = - wlr_output_transform_invert(surface->current.transform); - wlr_matrix_project_box(matrix, &box, transform, 0, output->transform_matrix); - - /* This takes our matrix, the texture, and an alpha, and performs the actual - * rendering on the GPU. */ - wlr_render_texture_with_matrix(rdata->renderer, texture, matrix, 1); - - /* This lets the client know that we've displayed that frame and it can - * prepare another one now if it likes. */ - wlr_surface_send_frame_done(surface, rdata->when); -} - static void output_frame(struct wl_listener *listener, void *data) { /* This function is called every time an output is ready to display a frame, * generally at the output's refresh rate (e.g. 60Hz). */ struct tinywl_output *output = wl_container_of(listener, output, frame); - struct wlr_renderer *renderer = output->server->renderer; + struct wlr_scene *scene = output->server->scene; + + struct wlr_scene_output *scene_output = + wlr_scene_get_scene_output(scene, output->wlr_output); + + /* Render the scene if needed and commit the output */ + wlr_scene_output_commit(scene_output, NULL); struct timespec now; clock_gettime(CLOCK_MONOTONIC, &now); + wlr_scene_output_send_frame_done(scene_output, &now); +} - /* wlr_output_attach_render makes the OpenGL context current. */ - if (!wlr_output_attach_render(output->wlr_output, NULL)) { - return; - } - /* The "effective" resolution can change if you rotate your outputs. */ - int width, height; - wlr_output_effective_resolution(output->wlr_output, &width, &height); - /* Begin the renderer (calls glViewport and some other GL sanity checks) */ - wlr_renderer_begin(renderer, width, height); - - float color[4] = {0.3, 0.3, 0.3, 1.0}; - wlr_renderer_clear(renderer, color); - - /* Each subsequent window we render is rendered on top of the last. Because - * our view list is ordered front-to-back, we iterate over it backwards. */ - struct tinywl_view *view; - wl_list_for_each_reverse(view, &output->server->views, link) - { - if (!view->mapped) { - /* An unmapped view should not be rendered. */ - continue; - } - struct render_data rdata = { - .output = output->wlr_output, - .view = view, - .renderer = renderer, - .when = &now, - }; - /* This calls our render_surface function for each surface among the - * xdg_surface's toplevel and popups. */ - wlr_xdg_surface_for_each_surface(view->xdg_surface, render_surface, &rdata); - } - - /* Hardware cursors are rendered by the GPU on a separate plane, and can be - * moved around without re-rendering what's beneath them - which is more - * efficient. However, not all hardware supports hardware cursors. For this - * reason, wlroots provides a software fallback, which we ask it to render - * here. wlr_cursor handles configuring hardware vs software cursors for you, - * and this function is a no-op when hardware cursors are in use. */ - wlr_output_render_software_cursors(output->wlr_output, NULL); - - /* Conclude rendering and swap the buffers, showing the final frame - * on-screen. */ - wlr_renderer_end(renderer); - wlr_output_commit(output->wlr_output); +static void output_request_state(struct wl_listener *listener, void *data) +{ + /* This function is called when the backend requests a new state for + * the output. For example, Wayland and X11 backends request a new mode + * when the output window is resized. */ + struct tinywl_output *output = + wl_container_of(listener, output, request_state); + const struct wlr_output_event_request_state *event = data; + wlr_output_commit_state(output->wlr_output, event->state); +} + +static void output_destroy(struct wl_listener *listener, void *data) +{ + struct tinywl_output *output = wl_container_of(listener, output, destroy); + + wl_list_remove(&output->frame.link); + wl_list_remove(&output->request_state.link); + wl_list_remove(&output->destroy.link); + wl_list_remove(&output->link); + free(output); } static void server_new_output(struct wl_listener *listener, void *data) @@ -588,27 +542,46 @@ static void server_new_output(struct wl_listener *listener, void *data) struct tinywl_server *server = wl_container_of(listener, server, new_output); struct wlr_output *wlr_output = data; + /* Configures the output created by the backend to use our allocator + * and our renderer. Must be done once, before commiting the output */ + wlr_output_init_render(wlr_output, server->allocator, server->renderer); + + /* The output may be disabled, switch it on. */ + struct wlr_output_state state; + wlr_output_state_init(&state); + wlr_output_state_set_enabled(&state, true); + /* Some backends don't have modes. DRM+KMS does, and we need to set a mode * before we can use the output. The mode is a tuple of (width, height, * refresh rate), and each monitor supports only a specific set of modes. We * just pick the monitor's preferred mode, a more sophisticated compositor * would let the user configure it. */ - if (!wl_list_empty(&wlr_output->modes)) { - struct wlr_output_mode *mode = wlr_output_preferred_mode(wlr_output); - wlr_output_set_mode(wlr_output, mode); - wlr_output_enable(wlr_output, true); - if (!wlr_output_commit(wlr_output)) { - return; - } + struct wlr_output_mode *mode = wlr_output_preferred_mode(wlr_output); + if (mode != NULL) { + wlr_output_state_set_mode(&state, mode); } + /* Atomically applies the new output state. */ + wlr_output_commit_state(wlr_output, &state); + wlr_output_state_finish(&state); + /* Allocates and configures our state for this output */ - struct tinywl_output *output = calloc(1, sizeof(struct tinywl_output)); + struct tinywl_output *output = calloc(1, sizeof(*output)); output->wlr_output = wlr_output; output->server = server; - /* Sets up a listener for the frame notify event. */ + + /* Sets up a listener for the frame event. */ output->frame.notify = output_frame; wl_signal_add(&wlr_output->events.frame, &output->frame); + + /* Sets up a listener for the state request event. */ + output->request_state.notify = output_request_state; + wl_signal_add(&wlr_output->events.request_state, &output->request_state); + + /* Sets up a listener for the destroy event. */ + output->destroy.notify = output_destroy; + wl_signal_add(&wlr_output->events.destroy, &output->destroy); + wl_list_insert(&server->outputs, &output->link); /* Adds this to the output layout. The add_auto function arranges outputs @@ -620,72 +593,98 @@ static void server_new_output(struct wl_listener *listener, void *data) * display, which Wayland clients can see to find out information about the * output (such as DPI, scale factor, manufacturer, etc). */ - wlr_output_layout_add_auto(server->output_layout, wlr_output); + struct wlr_output_layout_output *l_output = + wlr_output_layout_add_auto(server->output_layout, wlr_output); + struct wlr_scene_output *scene_output = + wlr_scene_output_create(server->scene, wlr_output); + wlr_scene_output_layout_add_output(server->scene_layout, l_output, + scene_output); } -static void xdg_surface_map(struct wl_listener *listener, void *data) +static void xdg_toplevel_map(struct wl_listener *listener, void *data) { /* Called when the surface is mapped, or ready to display on-screen. */ - struct tinywl_view *view = wl_container_of(listener, view, map); - plugin_call_update_state(view->server->plugin, plugin_handle_surface, data, - SURFACE_MAP); - view->mapped = true; - focus_view(view, view->xdg_surface->surface); + struct tinywl_toplevel *toplevel = wl_container_of(listener, toplevel, map); + + wl_list_insert(&toplevel->server->toplevels, &toplevel->link); + + plugin_call_update_state(toplevel->server->plugin, plugin_handle_surface, + data, SURFACE_MAP); + + focus_toplevel(toplevel, toplevel->xdg_toplevel->base->surface); } -static void xdg_surface_unmap(struct wl_listener *listener, void *data) +static void xdg_toplevel_unmap(struct wl_listener *listener, void *data) { /* Called when the surface is unmapped, and should no longer be shown. */ - struct tinywl_view *view = wl_container_of(listener, view, unmap); - plugin_call_update_state(view->server->plugin, plugin_handle_surface, data, - SURFACE_UNMAP); - view->mapped = false; + struct tinywl_toplevel *toplevel = wl_container_of(listener, toplevel, unmap); + + /* Reset the cursor mode if the grabbed toplevel was unmapped. */ + if (toplevel == toplevel->server->grabbed_toplevel) { + reset_cursor_mode(toplevel->server); + } + + plugin_call_update_state(toplevel->server->plugin, plugin_handle_surface, + data, SURFACE_UNMAP); + + wl_list_remove(&toplevel->link); } -static void xdg_surface_destroy(struct wl_listener *listener, void *data) +static void xdg_toplevel_destroy(struct wl_listener *listener, void *data) { - /* Called when the surface is destroyed and should never be shown again. */ - struct tinywl_view *view = wl_container_of(listener, view, destroy); - plugin_call_update_state(view->server->plugin, plugin_handle_surface, data, - SURFACE_DELETE); - wl_list_remove(&view->link); - free(view); + /* Called when the xdg_toplevel is destroyed. */ + struct tinywl_toplevel *toplevel = + wl_container_of(listener, toplevel, destroy); + + wl_list_remove(&toplevel->map.link); + wl_list_remove(&toplevel->unmap.link); + wl_list_remove(&toplevel->destroy.link); + wl_list_remove(&toplevel->request_move.link); + wl_list_remove(&toplevel->request_resize.link); + wl_list_remove(&toplevel->request_maximize.link); + wl_list_remove(&toplevel->request_fullscreen.link); + + plugin_call_update_state(toplevel->server->plugin, plugin_handle_surface, |