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@ -1,4 +1,11 @@
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#define _XOPEN_SOURCE 700
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#include <stdlib.h>
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#include <math.h>
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#ifdef __linux__
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#include <linux/input-event-codes.h>
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#elif __FreeBSD__
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#include <dev/evdev/input-event-codes.h>
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#endif
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#include <wlr/util/log.h>
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#include "rootston/cursor.h"
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@ -19,47 +26,261 @@ void roots_cursor_destroy(struct roots_cursor *cursor) {
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// TODO
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}
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static void cursor_set_xcursor_image(struct roots_cursor *cursor,
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struct wlr_xcursor_image *image) {
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wlr_cursor_set_image(cursor->cursor, image->buffer, image->width,
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image->width, image->height, image->hotspot_x, image->hotspot_y);
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}
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static void roots_cursor_update_position(struct roots_cursor *cursor, uint32_t time) {
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struct roots_desktop *desktop = cursor->seat->input->server->desktop;
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struct roots_seat *seat = cursor->seat;
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struct roots_view *view;
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struct wlr_surface *surface;
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double sx, sy;
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switch (cursor->mode) {
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case ROOTS_CURSOR_PASSTHROUGH:
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view = view_at(desktop, cursor->cursor->x, cursor->cursor->y,
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&surface, &sx, &sy);
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bool set_compositor_cursor = !view && cursor->cursor_client;
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if (view) {
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struct wl_client *view_client =
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wl_resource_get_client(view->wlr_surface->resource);
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set_compositor_cursor = view_client != cursor->cursor_client;
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}
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if (set_compositor_cursor) {
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struct wlr_xcursor *xcursor = get_default_xcursor(cursor->xcursor_theme);
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cursor_set_xcursor_image(cursor, xcursor->images[0]);
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cursor->cursor_client = NULL;
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}
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if (view) {
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wlr_seat_pointer_notify_enter(seat->seat, surface, sx, sy);
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wlr_seat_pointer_notify_motion(seat->seat, time, sx, sy);
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} else {
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wlr_seat_pointer_clear_focus(seat->seat);
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}
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break;
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case ROOTS_CURSOR_MOVE:
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if (seat->focus) {
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double dx = cursor->cursor->x - cursor->offs_x;
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double dy = cursor->cursor->y - cursor->offs_y;
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view_move(seat->focus, cursor->view_x + dx,
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cursor->view_y + dy);
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}
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break;
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case ROOTS_CURSOR_RESIZE:
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if (seat->focus) {
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double dx = cursor->cursor->x - cursor->offs_x;
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double dy = cursor->cursor->y - cursor->offs_y;
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double active_x = seat->focus->x;
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double active_y = seat->focus->y;
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int width = cursor->view_width;
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int height = cursor->view_height;
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if (cursor->resize_edges & ROOTS_CURSOR_RESIZE_EDGE_TOP) {
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active_y = cursor->view_y + dy;
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height -= dy;
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if (height < 0) {
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active_y += height;
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}
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} else if (cursor->resize_edges & ROOTS_CURSOR_RESIZE_EDGE_BOTTOM) {
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height += dy;
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}
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if (cursor->resize_edges & ROOTS_CURSOR_RESIZE_EDGE_LEFT) {
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active_x = cursor->view_x + dx;
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width -= dx;
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if (width < 0) {
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active_x += width;
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}
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} else if (cursor->resize_edges & ROOTS_CURSOR_RESIZE_EDGE_RIGHT) {
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width += dx;
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}
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if (width < 0) {
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width = 0;
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}
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if (height < 0) {
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height = 0;
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}
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if (active_x != seat->focus->x ||
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active_y != seat->focus->y) {
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view_move_resize(seat->focus, active_x, active_y,
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width, height);
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} else {
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view_resize(seat->focus, width, height);
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}
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}
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break;
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case ROOTS_CURSOR_ROTATE:
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if (seat->focus) {
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struct roots_view *view = seat->focus;
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int ox = view->x + view->wlr_surface->current->width/2,
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oy = view->y + view->wlr_surface->current->height/2;
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int ux = cursor->offs_x - ox,
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uy = cursor->offs_y - oy;
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int vx = cursor->cursor->x - ox,
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vy = cursor->cursor->y - oy;
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float angle = atan2(vx*uy - vy*ux, vx*ux + vy*uy);
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int steps = 12;
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angle = round(angle/M_PI*steps) / (steps/M_PI);
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view->rotation = cursor->view_rotation + angle;
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}
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break;
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}
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}
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static void roots_cursor_press_button(struct roots_cursor *cursor,
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struct wlr_input_device *device, uint32_t time, uint32_t button,
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uint32_t state) {
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struct roots_seat *seat = cursor->seat;
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struct roots_desktop *desktop = seat->input->server->desktop;
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struct wlr_surface *surface;
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double sx, sy;
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struct roots_view *view = view_at(desktop,
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cursor->cursor->x, cursor->cursor->y, &surface, &sx, &sy);
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if (state == WLR_BUTTON_PRESSED && view && roots_seat_has_meta_pressed(seat)) {
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// TODO
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roots_seat_focus_view(seat, view);
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uint32_t edges;
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switch (button) {
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case BTN_LEFT:
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// TODO
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roots_seat_begin_move(seat, view);
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break;
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case BTN_RIGHT:
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edges = 0;
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if (sx < view->wlr_surface->current->width/2) {
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edges |= ROOTS_CURSOR_RESIZE_EDGE_LEFT;
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} else {
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edges |= ROOTS_CURSOR_RESIZE_EDGE_RIGHT;
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}
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if (sy < view->wlr_surface->current->height/2) {
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edges |= ROOTS_CURSOR_RESIZE_EDGE_TOP;
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} else {
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edges |= ROOTS_CURSOR_RESIZE_EDGE_BOTTOM;
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}
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roots_seat_begin_resize(seat, view, edges);
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break;
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case BTN_MIDDLE:
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roots_seat_begin_rotate(seat, view);
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break;
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}
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return;
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}
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// TODO
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uint32_t serial =
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wlr_seat_pointer_notify_button(seat->seat, time, button, state);
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int i;
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switch (state) {
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case WLR_BUTTON_RELEASED:
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seat->cursor->mode = ROOTS_CURSOR_PASSTHROUGH;
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roots_cursor_update_position(cursor, time);
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break;
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case WLR_BUTTON_PRESSED:
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// TODO
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i = cursor->input_events_idx;
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cursor->input_events[i].serial = serial;
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cursor->input_events[i].cursor = cursor->cursor;
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cursor->input_events[i].device = device;
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cursor->input_events_idx = (i + 1)
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% (sizeof(cursor->input_events) / sizeof(cursor->input_events[0]));
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roots_seat_focus_view(seat, view);
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break;
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}
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}
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void roots_cursor_handle_motion(struct roots_cursor *cursor,
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struct wlr_event_pointer_motion *event) {
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wlr_log(L_DEBUG, "TODO: cursor handle motion");
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wlr_cursor_move(cursor->cursor, event->device,
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event->delta_x, event->delta_y);
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roots_cursor_update_position(cursor, event->time_msec);
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}
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void roots_cursor_handle_motion_absolute(struct roots_cursor *cursor,
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struct wlr_event_pointer_motion_absolute *event) {
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wlr_log(L_DEBUG, "TODO: cursor handle motion absolute");
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wlr_cursor_warp_absolute(cursor->cursor, event->device,
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event->x_mm / event->width_mm, event->y_mm / event->height_mm);
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roots_cursor_update_position(cursor, event->time_msec);
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}
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void roots_cursor_handle_button(struct roots_cursor *cursor,
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struct wlr_event_pointer_button *event) {
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wlr_log(L_DEBUG, "TODO: cursor handle button");
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roots_cursor_press_button(cursor, event->device, event->time_msec,
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event->button, event->state);
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}
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void roots_cursor_handle_axis(struct roots_cursor *cursor,
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struct wlr_event_pointer_axis *event) {
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wlr_log(L_DEBUG, "TODO: cursor handle axis");
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wlr_seat_pointer_notify_axis(cursor->seat->seat, event->time_msec,
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event->orientation, event->delta);
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}
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void roots_cursor_handle_touch_down(struct roots_cursor *cursor,
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struct wlr_event_touch_down *event) {
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wlr_log(L_DEBUG, "TODO: cursor handle touch down");
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struct roots_touch_point *point =
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calloc(1, sizeof(struct roots_touch_point));
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if (!point) {
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wlr_log(L_ERROR, "could not allocate memory for touch point");
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return;
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}
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point->device = event->device->data;
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point->slot = event->slot;
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point->x = event->x_mm / event->width_mm;
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point->y = event->y_mm / event->height_mm;
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wlr_cursor_warp_absolute(cursor->cursor, event->device, point->x, point->y);
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roots_cursor_update_position(cursor, event->time_msec);
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wl_list_insert(&cursor->touch_points, &point->link);
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roots_cursor_press_button(cursor, event->device,
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event->time_msec, BTN_LEFT, 1);
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}
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void roots_cursor_handle_touch_up(struct roots_cursor *cursor,
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struct wlr_event_touch_up *event) {
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wlr_log(L_DEBUG, "TODO: cursor handle touch up");
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struct roots_touch_point *point;
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wl_list_for_each(point, &cursor->touch_points, link) {
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if (point->slot == event->slot) {
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wl_list_remove(&point->link);
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free(point);
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break;
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}
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}
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roots_cursor_press_button(cursor, event->device,
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event->time_msec, BTN_LEFT, 0);
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}
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void roots_cursor_handle_touch_motion(struct roots_cursor *cursor,
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struct wlr_event_touch_motion *event) {
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wlr_log(L_DEBUG, "TODO: cursor handle touch motion");
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struct roots_touch_point *point;
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wl_list_for_each(point, &cursor->touch_points, link) {
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if (point->slot == event->slot) {
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point->x = event->x_mm / event->width_mm;
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point->y = event->y_mm / event->height_mm;
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wlr_cursor_warp_absolute(cursor->cursor, event->device,
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point->x, point->y);
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roots_cursor_update_position(cursor, event->time_msec);
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break;
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}
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}
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}
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void roots_cursor_handle_tool_axis(struct roots_cursor *cursor,
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struct wlr_event_tablet_tool_axis *event) {
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wlr_log(L_DEBUG, "TODO: cursor handle tool axis");
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if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_X) &&
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(event->updated_axes & WLR_TABLET_TOOL_AXIS_Y)) {
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wlr_cursor_warp_absolute(cursor->cursor, event->device,
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event->x_mm / event->width_mm, event->y_mm / event->height_mm);
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roots_cursor_update_position(cursor, event->time_msec);
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}
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}
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void roots_cursor_handle_tool_tip(struct roots_cursor *cursor,
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struct wlr_event_tablet_tool_tip *event) {
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wlr_log(L_DEBUG, "TODO: cursor handle tool tip");
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roots_cursor_press_button(cursor, event->device,
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event->time_msec, BTN_LEFT, event->state);
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}
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Tony Crisci
7 years ago