diff options
| -rw-r--r-- | examples/compositor.c | 139 |
1 files changed, 138 insertions, 1 deletions
diff --git a/examples/compositor.c b/examples/compositor.c index 0d9d5405..995c1b7d 100644 --- a/examples/compositor.c +++ b/examples/compositor.c @@ -20,9 +20,12 @@ #include <wlr/types/wlr_data_device_manager.h> #include <wlr/types/wlr_gamma_control.h> #include "wlr/types/wlr_compositor.h" +#include <wlr/types/wlr_cursor.h> +#include <wlr/types/wlr_output_layout.h> #include <wlr/xwayland.h> #include <xkbcommon/xkbcommon.h> #include <wlr/util/log.h> +#include "config.h" #include "shared.h" // TODO: move to common header? @@ -30,6 +33,7 @@ int os_create_anonymous_file(off_t size); struct sample_state { struct wlr_renderer *renderer; + struct compositor_state *compositor; struct wlr_compositor *wlr_compositor; struct wlr_wl_shell *wl_shell; struct wlr_seat *wl_seat; @@ -42,6 +46,16 @@ struct sample_state { int keymap_fd; size_t keymap_size; uint32_t serial; + + struct example_config *config; + struct wlr_output_layout *layout; + struct wlr_cursor *cursor; + struct wlr_xcursor *xcursor; + + struct wl_listener cursor_motion; + struct wl_listener cursor_motion_absolute; + struct wl_listener cursor_button; + struct wl_listener cursor_axis; }; /* @@ -153,12 +167,135 @@ static void handle_keyboard_bound(struct wl_listener *listener, void *data) { } } -int main() { +static void handle_cursor_motion(struct wl_listener *listener, void *data) { + struct sample_state *sample = + wl_container_of(listener, sample, cursor_motion); + struct wlr_event_pointer_motion *event = data; + wlr_cursor_move(sample->cursor, event->device, event->delta_x, + event->delta_y); +} + +static void handle_cursor_motion_absolute(struct wl_listener *listener, + void *data) { + struct sample_state *sample = + wl_container_of(listener, sample, cursor_motion_absolute); + struct wlr_event_pointer_motion_absolute *event = data; + + wlr_cursor_warp_absolute(sample->cursor, event->device, event->x_mm, + event->y_mm); +} + +static void handle_cursor_axis(struct wl_listener *listener, void *data) { + //struct sample_state *sample = + //wl_container_of(listener, sample, cursor_axis); + //struct wlr_event_pointer_axis *event = data; + wlr_log(L_DEBUG, "TODO: handle cursor axis"); +} + +static void handle_cursor_button(struct wl_listener *listener, void *data) { + //struct sample_state *sample = + //wl_container_of(listener, sample, cursor_button); + //struct wlr_event_pointer_button *event = data; + wlr_log(L_DEBUG, "TODO: handle cursor button"); +} + +static void handle_input_add(struct compositor_state *state, + struct wlr_input_device *device) { + struct sample_state *sample = state->data; + + if (device->type == WLR_INPUT_DEVICE_POINTER || + device->type == WLR_INPUT_DEVICE_TOUCH || + device->type == WLR_INPUT_DEVICE_TABLET_TOOL) { + wlr_cursor_attach_input_device(sample->cursor, device); + example_config_configure_cursor(sample->config, sample->cursor, + sample->compositor); + } +} + +static void handle_output_add(struct output_state *ostate) { + struct sample_state *sample = ostate->compositor->data; + struct wlr_output *wlr_output = ostate->output; + struct wlr_xcursor_image *image = sample->xcursor->images[0]; + + struct output_config *o_config = + example_config_get_output(sample->config, ostate->output); + + if (o_config) { + wlr_output_transform(ostate->output, o_config->transform); + wlr_output_layout_add(sample->layout, ostate->output, o_config->x, + o_config->y); + } else { + wlr_output_layout_add_auto(sample->layout, ostate->output); + } + + example_config_configure_cursor(sample->config, sample->cursor, + sample->compositor); + + // TODO the cursor must be set depending on which surface it is displayed + // over which should happen in the compositor. + if (!wlr_output_set_cursor(wlr_output, image->buffer, + image->width, image->width, image->height)) { + wlr_log(L_DEBUG, "Failed to set hardware cursor"); + return; + } + + wlr_cursor_warp(sample->cursor, NULL, sample->cursor->x, sample->cursor->y); +} + +static void handle_output_remove(struct output_state *ostate) { + struct sample_state *sample = ostate->compositor->data; + + wlr_output_layout_remove(sample->layout, ostate->output); + + example_config_configure_cursor(sample->config, sample->cursor, + sample->compositor); +} + +int main(int argc, char *argv[]) { struct sample_state state = { 0 }; struct compositor_state compositor = { 0, .data = &state, .output_frame_cb = handle_output_frame, }; + + compositor.input_add_cb = handle_input_add; + compositor.output_add_cb = handle_output_add; + compositor.output_remove_cb = handle_output_remove; + + state.compositor = &compositor; + state.config = parse_args(argc, argv); + state.cursor = wlr_cursor_create(); + state.layout = wlr_output_layout_create(); + wlr_cursor_attach_output_layout(state.cursor, state.layout); + wlr_cursor_map_to_region(state.cursor, state.config->cursor.mapped_box); + + struct wlr_xcursor_theme *theme = wlr_xcursor_theme_load("default", 16); + if (!theme) { + wlr_log(L_ERROR, "Failed to load cursor theme"); + return 1; + } + state.xcursor = wlr_xcursor_theme_get_cursor(theme, "left_ptr"); + if (!state.xcursor) { + wlr_log(L_ERROR, "Failed to load left_ptr cursor"); + return 1; + } + + wlr_cursor_set_xcursor(state.cursor, state.xcursor); + + // pointer events + wl_signal_add(&state.cursor->events.motion, &state.cursor_motion); + state.cursor_motion.notify = handle_cursor_motion; + + wl_signal_add(&state.cursor->events.motion_absolute, + &state.cursor_motion_absolute); + state.cursor_motion_absolute.notify = handle_cursor_motion_absolute; + + wl_signal_add(&state.cursor->events.button, &state.cursor_button); + state.cursor_button.notify = handle_cursor_button; + + wl_signal_add(&state.cursor->events.axis, &state.cursor_axis); + state.cursor_axis.notify = handle_cursor_axis; + compositor_init(&compositor); state.renderer = wlr_gles2_renderer_create(compositor.backend); |