Implement wlr_cursor in rootston

1 files changed, 191 insertions, 1 deletions

diff --git a/rootston/cursor.c b/rootston/cursor.c
index 100e4b32..d5507289 100644
--- a/rootston/cursor.c
+++ b/rootston/cursor.c
@@ -1,3 +1,10 @@
+#include <stdint.h>
+#include <string.h>
+#include <wayland-server.h>
+#include <wlr/types/wlr_cursor.h>
+#include "rootston/config.h"
+#include "rootston/input.h"
+#include "rootston/desktop.h"
 
 void cursor_update_position(struct roots_input *input, uint32_t time) {
 	/*
@@ -8,7 +15,6 @@ void cursor_update_position(struct roots_input *input, uint32_t time) {
 		surface->position.ly = sample->cursor->y - sample->motion_context.off_y;
 		return;
 	}
-	*/
 
 	struct wlr_xdg_surface_v6 *surface = example_xdg_surface_at(sample,
 			sample->cursor->x, sample->cursor->y);
@@ -25,4 +31,188 @@ void cursor_update_position(struct roots_input *input, uint32_t time) {
 	} else {
 		wlr_seat_pointer_clear_focus(sample->wl_seat);
 	}
+	*/
+}
+
+static void handle_cursor_motion(struct wl_listener *listener, void *data) {
+	struct roots_input *input = wl_container_of(listener, input, cursor_motion);
+	struct wlr_event_pointer_motion *event = data;
+	wlr_cursor_move(input->cursor, event->device,
+			event->delta_x, event->delta_y);
+	cursor_update_position(input, (uint32_t)event->time_usec);
+}
+
+static void handle_cursor_motion_absolute(struct wl_listener *listener,
+		void *data) {
+	struct roots_input *input = wl_container_of(listener,
+			input, cursor_motion_absolute);
+	struct wlr_event_pointer_motion_absolute *event = data;
+	wlr_cursor_warp_absolute(input->cursor, event->device,
+		event->x_mm / event->width_mm, event->y_mm / event->height_mm);
+	cursor_update_position(input, (uint32_t)event->time_usec);
+}
+
+static void handle_cursor_axis(struct wl_listener *listener, void *data) {
+	struct roots_input *input =
+		wl_container_of(listener, input, cursor_axis);
+	struct wlr_event_pointer_axis *event = data;
+	wlr_seat_pointer_send_axis(input->wl_seat, event->time_sec,
+		event->orientation, event->delta);
+}
+
+static void handle_cursor_button(struct wl_listener *listener, void *data) {
+	/* TODO
+	struct sample_state *sample =
+		wl_container_of(listener, sample, cursor_button);
+	struct wlr_event_pointer_button *event = data;
+
+	struct wlr_xdg_surface_v6 *surface =
+		example_xdg_surface_at(sample, sample->cursor->x, sample->cursor->y);
+
+	uint32_t serial = wlr_seat_pointer_send_button(sample->wl_seat,
+			(uint32_t)event->time_usec, event->button, event->state);
+
+	int i;
+	switch (event->state) {
+	case WLR_BUTTON_RELEASED:
+		if (sample->motion_context.surface) {
+			sample->motion_context.surface = NULL;
+		}
+		break;
+	case WLR_BUTTON_PRESSED:
+		i = sample->input_cache_idx;
+		sample->input_cache[i].serial = serial;
+		sample->input_cache[i].cursor = sample->cursor;
+		sample->input_cache[i].device = event->device;
+		sample->input_cache_idx = (i + 1)
+			% (sizeof(sample->input_cache) / sizeof(sample->input_cache[0]));
+		example_set_focused_surface(sample, surface);
+		wlr_log(L_DEBUG, "Stored event %d at %d", serial, i);
+		if (sample->mod_down && event->button == BTN_LEFT) {
+			struct example_xdg_surface_v6 *esurface = surface->data;
+			sample->motion_context.surface = esurface;
+			sample->motion_context.off_x = sample->cursor->x - esurface->position.lx;
+			sample->motion_context.off_y = sample->cursor->y - esurface->position.ly;
+			wlr_seat_pointer_clear_focus(sample->wl_seat);
+		}
+		break;
+	}
+	*/
+}
+
+static void handle_tool_axis(struct wl_listener *listener, void *data) {
+	struct roots_input *input = wl_container_of(listener, input, cursor_tool_axis);
+	struct wlr_event_tablet_tool_axis *event = data;
+	if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_X) &&
+			(event->updated_axes & WLR_TABLET_TOOL_AXIS_Y)) {
+		wlr_cursor_warp_absolute(input->cursor, event->device,
+			event->x_mm / event->width_mm, event->y_mm / event->height_mm);
+		cursor_update_position(input, (uint32_t)event->time_usec);
+	}
+}
+
+static void handle_tool_tip(struct wl_listener *listener, void *data) {
+	/* TODO
+	struct roots_input *input = wl_container_of(listener, input, tool_tip);
+	struct wlr_event_tablet_tool_tip *event = data;
+
+	struct wlr_xdg_surface_v6 *surface =
+		example_xdg_surface_at(sample, sample->cursor->x, sample->cursor->y);
+	example_set_focused_surface(sample, surface);
+
+	wlr_seat_pointer_send_button(sample->wl_seat, (uint32_t)event->time_usec,
+		BTN_LEFT, event->state);
+	*/
+}
+
+void cursor_initialize(struct roots_input *input) {
+	struct wlr_cursor *cursor = input->cursor;
+
+	wl_list_init(&input->cursor_motion.link);
+	wl_signal_add(&cursor->events.motion, &input->cursor_motion);
+	input->cursor_motion.notify = handle_cursor_motion;
+
+	wl_list_init(&input->cursor_motion_absolute.link);
+	wl_signal_add(&cursor->events.motion_absolute,
+		&input->cursor_motion_absolute);
+	input->cursor_motion_absolute.notify = handle_cursor_motion_absolute;
+
+	wl_list_init(&input->cursor_button.link);
+	wl_signal_add(&cursor->events.button, &input->cursor_button);
+	input->cursor_button.notify = handle_cursor_button;
+
+	wl_list_init(&input->cursor_axis.link);
+	wl_signal_add(&cursor->events.axis, &input->cursor_axis);
+	input->cursor_axis.notify = handle_cursor_axis;
+
+	wl_list_init(&input->cursor_tool_axis.link);
+	wl_signal_add(&cursor->events.tablet_tool_axis, &input->cursor_tool_axis);
+	input->cursor_tool_axis.notify = handle_tool_axis;
+
+	wl_list_init(&input->cursor_tool_tip.link);
+	wl_signal_add(&cursor->events.tablet_tool_tip, &input->cursor_tool_tip);
+	input->cursor_tool_tip.notify = handle_tool_tip;
+}
+
+static void reset_device_mappings(struct roots_config *config,
+		struct wlr_cursor *cursor, struct wlr_input_device *device) {
+	wlr_cursor_map_input_to_output(cursor, device, NULL);
+	struct device_config *dconfig;
+	if ((dconfig = config_get_device(config, device))) {
+		wlr_cursor_map_input_to_region(cursor, device, dconfig->mapped_box);
+	}
+}
+
+static void set_device_output_mappings(struct roots_config *config,
+		struct wlr_cursor *cursor, struct wlr_output *output,
+		struct wlr_input_device *device) {
+	struct device_config *dconfig;
+	dconfig = config_get_device(config, device);
+	if (dconfig && dconfig->mapped_output &&
+			strcmp(dconfig->mapped_output, output->name) == 0) {
+		wlr_cursor_map_input_to_output(cursor, device, output);
+	}
+}
+
+void cursor_load_config(struct roots_config *config,
+		struct wlr_cursor *cursor,
+		struct roots_input *input,
+		struct roots_desktop *desktop) {
+	struct roots_pointer *pointer;
+	struct roots_touch *touch;
+	struct roots_tablet_tool *tablet_tool;
+	struct roots_output *output;
+
+	// reset mappings
+	wlr_cursor_map_to_output(cursor, NULL);
+	wl_list_for_each(pointer, &input->pointers, link) {
+		reset_device_mappings(config, cursor, pointer->device);
+	}
+	wl_list_for_each(touch, &input->touch, link) {
+		reset_device_mappings(config, cursor, touch->device);
+	}
+	wl_list_for_each(tablet_tool, &input->tablet_tools, link) {
+		reset_device_mappings(config, cursor, tablet_tool->device);
+	}
+
+	// configure device to output mappings
+	const char *mapped_output = config->cursor.mapped_output;
+	wl_list_for_each(output, &desktop->outputs, link) {
+		if (mapped_output && strcmp(mapped_output, output->wlr_output->name) == 0) {
+			wlr_cursor_map_to_output(cursor, output->wlr_output);
+		}
+
+		wl_list_for_each(pointer, &input->pointers, link) {
+			set_device_output_mappings(config, cursor, output->wlr_output,
+				pointer->device);
+		}
+		wl_list_for_each(tablet_tool, &input->tablet_tools, link) {
+			set_device_output_mappings(config, cursor, output->wlr_output,
+				tablet_tool->device);
+		}
+		wl_list_for_each(touch, &input->touch, link) {
+			set_device_output_mappings(config, cursor, output->wlr_output,
+				touch->device);
+		}
+	}
 }