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286 lines
8.5 KiB
286 lines
8.5 KiB
#define _POSIX_C_SOURCE 199309L
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#include <assert.h>
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#include <time.h>
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#include <stdlib.h>
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#include <math.h>
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#include <wlr/types/wlr_box.h>
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#include <wlr/types/wlr_compositor.h>
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#include <wlr/types/wlr_cursor.h>
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#include <wlr/types/wlr_gamma_control.h>
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#include <wlr/types/wlr_output_layout.h>
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#include <wlr/types/wlr_wl_shell.h>
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#include <wlr/types/wlr_xdg_shell_v6.h>
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#include <wlr/util/log.h>
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#include "rootston/desktop.h"
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#include "rootston/server.h"
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void view_destroy(struct roots_view *view) {
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struct roots_desktop *desktop = view->desktop;
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struct roots_input *input = desktop->server->input;
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if (input->active_view == view) {
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input->active_view = NULL;
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input->mode = ROOTS_CURSOR_PASSTHROUGH;
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}
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if (input->last_active_view == view) {
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input->last_active_view = NULL;
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}
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for (size_t i = 0; i < desktop->views->length; ++i) {
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struct roots_view *_view = desktop->views->items[i];
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if (view == _view) {
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list_del(desktop->views, i);
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break;
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}
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}
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free(view);
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}
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void view_get_size(struct roots_view *view, struct wlr_box *box) {
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if (view->get_size) {
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view->get_size(view, box);
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return;
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}
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box->x = box->y = 0;
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box->width = view->wlr_surface->current->width;
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box->height = view->wlr_surface->current->height;
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}
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void view_activate(struct roots_view *view, bool activate) {
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if (view->activate) {
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view->activate(view, activate);
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}
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}
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void view_resize(struct roots_view *view, uint32_t width, uint32_t height) {
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if (view->resize) {
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view->resize(view, width, height);
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}
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}
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void view_close(struct roots_view *view) {
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if (view->close) {
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view->close(view);
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}
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}
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bool view_center(struct roots_view *view) {
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struct wlr_box size;
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view_get_size(view, &size);
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if (size.width == 0 && size.height == 0) {
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return false;
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}
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struct roots_desktop *desktop = view->desktop;
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struct wlr_cursor *cursor = desktop->server->input->cursor;
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struct wlr_output *output = wlr_output_layout_output_at(desktop->layout,
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cursor->x, cursor->y);
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const struct wlr_output_layout_output *output_layout =
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wlr_output_layout_get(desktop->layout, output);
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if (!output) {
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return false;
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}
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view->x = (double)(output->width - size.width) / 2
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+ output_layout->x;
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view->y = (double)(output->height - size.height) / 2
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+ output_layout->y;
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return true;
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}
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bool view_initialize(struct roots_view *view) {
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bool centered = view_center(view);
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if (centered) {
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struct roots_input *input = view->desktop->server->input;
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set_view_focus(input, view->desktop, view);
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wlr_seat_keyboard_notify_enter(input->wl_seat, view->wlr_surface);
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}
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return centered;
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}
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static struct wlr_subsurface *subsurface_at(struct wlr_surface *surface,
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double sx, double sy, double *sub_x, double *sub_y) {
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struct wlr_subsurface *subsurface;
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wl_list_for_each(subsurface, &surface->subsurface_list, parent_link) {
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double _sub_x = subsurface->surface->current->subsurface_position.x;
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double _sub_y = subsurface->surface->current->subsurface_position.y;
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struct wlr_subsurface *sub =
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subsurface_at(subsurface->surface, _sub_x + sx, _sub_y + sy,
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sub_x, sub_y);
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if (sub) {
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// TODO: This won't work for nested subsurfaces. Convert sub_x and
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// sub_y to the parent coordinate system
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return sub;
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}
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int sub_width = subsurface->surface->current->buffer_width;
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int sub_height = subsurface->surface->current->buffer_height;
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if ((sx > _sub_x && sx < _sub_x + sub_width) &&
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(sy > _sub_y && sy < _sub_y + sub_height)) {
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if (pixman_region32_contains_point(
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&subsurface->surface->current->input,
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sx - _sub_x, sy - _sub_y, NULL)) {
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*sub_x = _sub_x;
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*sub_y = _sub_y;
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return subsurface;
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}
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}
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}
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return NULL;
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}
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static struct wlr_xdg_surface_v6 *xdg_v6_popup_at(
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struct wlr_xdg_surface_v6 *surface, double sx, double sy,
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double *popup_sx, double *popup_sy) {
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// XXX: I think this is so complicated because we're mixing geometry
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// coordinates with surface coordinates. Input handling should only deal
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// with surface coordinates.
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struct wlr_xdg_surface_v6 *popup;
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wl_list_for_each(popup, &surface->popups, popup_link) {
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double _popup_sx = surface->geometry->x + popup->popup_state->geometry.x;
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double _popup_sy = surface->geometry->y + popup->popup_state->geometry.y;
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int popup_width = popup->popup_state->geometry.width;
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int popup_height = popup->popup_state->geometry.height;
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struct wlr_xdg_surface_v6 *_popup =
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xdg_v6_popup_at(popup, sx - _popup_sx + popup->geometry->x,
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sy - _popup_sy + popup->geometry->y, popup_sx, popup_sy);
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if (_popup) {
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*popup_sx = *popup_sx + _popup_sx - popup->geometry->x;
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*popup_sy = *popup_sy + _popup_sy - popup->geometry->y;
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return _popup;
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}
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if ((sx > _popup_sx && sx < _popup_sx + popup_width) &&
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(sy > _popup_sy && sy < _popup_sy + popup_height)) {
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if (pixman_region32_contains_point(&popup->surface->current->input,
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sx - _popup_sx + popup->geometry->x,
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sy - _popup_sy + popup->geometry->y, NULL)) {
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*popup_sx = _popup_sx - popup->geometry->x;
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*popup_sy = _popup_sy - popup->geometry->y;
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return popup;
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}
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}
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}
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return NULL;
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}
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struct roots_view *view_at(struct roots_desktop *desktop, double lx, double ly,
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struct wlr_surface **surface, double *sx, double *sy) {
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for (int i = desktop->views->length - 1; i >= 0; --i) {
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struct roots_view *view = desktop->views->items[i];
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double view_sx = lx - view->x;
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double view_sy = ly - view->y;
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struct wlr_box box = {
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.x = 0,
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.y = 0,
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.width = view->wlr_surface->current->buffer_width,
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.height = view->wlr_surface->current->buffer_height,
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};
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if (view->rotation != 0.0) {
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// Coordinates relative to the center of the view
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double ox = view_sx - (double)box.width/2,
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oy = view_sy - (double)box.height/2;
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// Rotated coordinates
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double rx = cos(view->rotation)*ox - sin(view->rotation)*oy,
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ry = cos(view->rotation)*oy + sin(view->rotation)*ox;
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view_sx = rx + (double)box.width/2;
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view_sy = ry + (double)box.height/2;
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}
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if (view->type == ROOTS_XDG_SHELL_V6_VIEW) {
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// TODO: test if this works with rotated views
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double popup_sx, popup_sy;
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struct wlr_xdg_surface_v6 *popup =
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xdg_v6_popup_at(view->xdg_surface_v6, view_sx, view_sy,
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&popup_sx, &popup_sy);
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if (popup) {
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*sx = view_sx - popup_sx;
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*sy = view_sy - popup_sy;
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*surface = popup->surface;
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return view;
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}
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}
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double sub_x, sub_y;
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struct wlr_subsurface *subsurface =
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subsurface_at(view->wlr_surface, view_sx, view_sy, &sub_x, &sub_y);
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if (subsurface) {
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*sx = view_sx - sub_x;
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*sy = view_sy - sub_y;
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*surface = subsurface->surface;
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return view;
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}
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if (wlr_box_contains_point(&box, view_sx, view_sy) &&
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pixman_region32_contains_point(
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&view->wlr_surface->current->input,
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view_sx, view_sy, NULL)) {
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*sx = view_sx;
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*sy = view_sy;
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*surface = view->wlr_surface;
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return view;
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}
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}
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return NULL;
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}
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struct roots_desktop *desktop_create(struct roots_server *server,
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struct roots_config *config) {
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struct roots_desktop *desktop = calloc(1, sizeof(struct roots_desktop));
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wlr_log(L_DEBUG, "Initializing roots desktop");
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assert(desktop->views = list_create());
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wl_list_init(&desktop->outputs);
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wl_list_init(&desktop->output_add.link);
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desktop->output_add.notify = output_add_notify;
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wl_list_init(&desktop->output_remove.link);
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desktop->output_remove.notify = output_remove_notify;
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wl_signal_add(&server->backend->events.output_add, &desktop->output_add);
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wl_signal_add(&server->backend->events.output_remove,
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&desktop->output_remove);
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desktop->server = server;
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desktop->config = config;
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desktop->layout = wlr_output_layout_create();
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desktop->compositor = wlr_compositor_create(server->wl_display,
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server->renderer);
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desktop->xdg_shell_v6 = wlr_xdg_shell_v6_create(server->wl_display);
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wl_signal_add(&desktop->xdg_shell_v6->events.new_surface,
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&desktop->xdg_shell_v6_surface);
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desktop->xdg_shell_v6_surface.notify = handle_xdg_shell_v6_surface;
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desktop->wl_shell = wlr_wl_shell_create(server->wl_display);
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wl_signal_add(&desktop->wl_shell->events.new_surface,
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&desktop->wl_shell_surface);
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desktop->wl_shell_surface.notify = handle_wl_shell_surface;
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#ifdef HAS_XWAYLAND
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if (config->xwayland) {
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desktop->xwayland = wlr_xwayland_create(server->wl_display,
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desktop->compositor);
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wl_signal_add(&desktop->xwayland->events.new_surface,
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&desktop->xwayland_surface);
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desktop->xwayland_surface.notify = handle_xwayland_surface;
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}
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#endif
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desktop->gamma_control_manager = wlr_gamma_control_manager_create(
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server->wl_display);
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desktop->screenshooter = wlr_screenshooter_create(server->wl_display,
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server->renderer);
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return desktop;
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}
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void desktop_destroy(struct roots_desktop *desktop) {
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// TODO
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}
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