comment updates

This commit is contained in:
Devin J. Pohly 2020-04-21 19:09:36 -05:00
parent 552deb7026
commit 0e9bceb8b6

19
dwl.c
View file

@ -207,8 +207,7 @@ createkeyboard(struct wlr_input_device *device)
Keyboard *keyboard = calloc(1, sizeof(*keyboard)); Keyboard *keyboard = calloc(1, sizeof(*keyboard));
keyboard->device = device; keyboard->device = device;
/* We need to prepare an XKB keymap and assign it to the keyboard. This /* Prepare an XKB keymap and assign it to the keyboard. */
* assumes the defaults (e.g. layout = "us"). */
struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS); struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
struct xkb_keymap *keymap = xkb_map_new_from_names(context, &xkb_rules, struct xkb_keymap *keymap = xkb_map_new_from_names(context, &xkb_rules,
XKB_KEYMAP_COMPILE_NO_FLAGS); XKB_KEYMAP_COMPILE_NO_FLAGS);
@ -233,7 +232,7 @@ createkeyboard(struct wlr_input_device *device)
void void
createmon(struct wl_listener *listener, void *data) createmon(struct wl_listener *listener, void *data)
{ {
/* This event is rasied by the backend when a new output (aka a display or /* This event is raised by the backend when a new output (aka a display or
* monitor) becomes available. */ * monitor) becomes available. */
struct wlr_output *wlr_output = data; struct wlr_output *wlr_output = data;
@ -341,9 +340,9 @@ focus(Client *c, struct wlr_surface *surface)
} }
if (prev_surface) { if (prev_surface) {
/* /*
* Deactivate the previously focused surface. This lets the client know * Deactivate the previously focused surface. This lets the
* it no longer has focus and the client will repaint accordingly, e.g. * client know it no longer has focus and the client will
* stop displaying a caret. * repaint accordingly, e.g. stop displaying a caret.
*/ */
struct wlr_xdg_surface *previous = wlr_xdg_surface_from_wlr_surface( struct wlr_xdg_surface *previous = wlr_xdg_surface_from_wlr_surface(
seat->keyboard_state.focused_surface); seat->keyboard_state.focused_surface);
@ -501,7 +500,7 @@ motionabsolute(struct wl_listener *listener, void *data)
void void
motionnotify(uint32_t time) motionnotify(uint32_t time)
{ {
/* If the mode is non-passthrough, delegate to those functions. */ /* If we are currently grabbing the mouse, handle and return */
if (cursor_mode == CurMove) { if (cursor_mode == CurMove) {
/* Move the grabbed client to the new position. */ /* Move the grabbed client to the new position. */
grabbed_client->x = cursor->x - grab_x; grabbed_client->x = cursor->x - grab_x;
@ -653,7 +652,7 @@ render(struct wlr_surface *surface, int sx, int sy, void *data)
}; };
/* /*
* Those familiar with OpenGL are also familiar with the role of matricies * Those familiar with OpenGL are also familiar with the role of matrices
* in graphics programming. We need to prepare a matrix to render the * in graphics programming. We need to prepare a matrix to render the
* client with. wlr_matrix_project_box is a helper which takes a box with * client 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, * a desired x, y coordinates, width and height, and an output geometry,
@ -747,6 +746,8 @@ resizemouse(const Arg *arg)
} }
struct wlr_box geo_box; struct wlr_box geo_box;
wlr_xdg_surface_get_geometry(c->xdg_surface, &geo_box); wlr_xdg_surface_get_geometry(c->xdg_surface, &geo_box);
/* Doesn't work for X11 output - the next absolute motion event
* returns the cursor to where it started */
wlr_cursor_warp_closest(cursor, NULL, wlr_cursor_warp_closest(cursor, NULL,
c->x + geo_box.x + geo_box.width, c->x + geo_box.x + geo_box.width,
c->y + geo_box.y + geo_box.height); c->y + geo_box.y + geo_box.height);
@ -807,7 +808,7 @@ run(char *startup_cmd)
void void
setcursor(struct wl_listener *listener, void *data) setcursor(struct wl_listener *listener, void *data)
{ {
/* This event is rasied by the seat when a client provides a cursor image */ /* This event is raised by the seat when a client provides a cursor image */
struct wlr_seat_pointer_request_set_cursor_event *event = data; struct wlr_seat_pointer_request_set_cursor_event *event = data;
struct wlr_seat_client *focused_client = struct wlr_seat_client *focused_client =
seat->pointer_state.focused_client; seat->pointer_state.focused_client;