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610 lines
19 KiB
610 lines
19 KiB
#define _POSIX_C_SOURCE 200809L
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#include <assert.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <time.h>
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#include <wlr/backend/drm.h>
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#include <wlr/config.h>
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#include <wlr/types/wlr_compositor.h>
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#include <wlr/types/wlr_output_layout.h>
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#include <wlr/types/wlr_presentation_time.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/types/wlr_xdg_shell.h>
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#include <wlr/util/log.h>
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#include <wlr/util/region.h>
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#include <wlr/xwayland.h>
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#include "rootston/config.h"
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#include "rootston/layers.h"
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#include "rootston/output.h"
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#include "rootston/server.h"
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/**
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* Rotate a child's position relative to a parent. The parent size is (pw, ph),
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* the child position is (*sx, *sy) and its size is (sw, sh).
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*/
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void rotate_child_position(double *sx, double *sy, double sw, double sh,
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double pw, double ph, float rotation) {
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if (rotation == 0.0) {
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return;
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}
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// Coordinates relative to the center of the subsurface
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double cx = *sx - pw/2 + sw/2,
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cy = *sy - ph/2 + sh/2;
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// Rotated coordinates
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double rx = cos(rotation)*cx - sin(rotation)*cy,
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ry = cos(rotation)*cy + sin(rotation)*cx;
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*sx = rx + pw/2 - sw/2;
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*sy = ry + ph/2 - sh/2;
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}
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struct surface_iterator_data {
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roots_surface_iterator_func_t user_iterator;
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void *user_data;
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struct roots_output *output;
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double ox, oy;
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int width, height;
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float rotation;
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};
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static bool get_surface_box(struct surface_iterator_data *data,
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struct wlr_surface *surface, int sx, int sy,
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struct wlr_box *surface_box) {
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struct roots_output *output = data->output;
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if (!wlr_surface_has_buffer(surface)) {
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return false;
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}
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int sw = surface->current.width;
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int sh = surface->current.height;
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double _sx = sx + surface->sx;
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double _sy = sy + surface->sy;
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rotate_child_position(&_sx, &_sy, sw, sh, data->width, data->height,
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data->rotation);
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struct wlr_box box = {
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.x = data->ox + _sx,
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.y = data->oy + _sy,
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.width = sw,
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.height = sh,
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};
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if (surface_box != NULL) {
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*surface_box = box;
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}
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struct wlr_box rotated_box;
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wlr_box_rotated_bounds(&rotated_box, &box, data->rotation);
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struct wlr_box output_box = {0};
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wlr_output_effective_resolution(output->wlr_output,
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&output_box.width, &output_box.height);
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struct wlr_box intersection;
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return wlr_box_intersection(&intersection, &output_box, &rotated_box);
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}
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static void output_for_each_surface_iterator(struct wlr_surface *surface,
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int sx, int sy, void *_data) {
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struct surface_iterator_data *data = _data;
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struct wlr_box box;
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bool intersects = get_surface_box(data, surface, sx, sy, &box);
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if (!intersects) {
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return;
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}
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data->user_iterator(data->output, surface, &box, data->rotation,
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data->user_data);
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}
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void output_surface_for_each_surface(struct roots_output *output,
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struct wlr_surface *surface, double ox, double oy,
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roots_surface_iterator_func_t iterator, void *user_data) {
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struct surface_iterator_data data = {
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.user_iterator = iterator,
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.user_data = user_data,
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.output = output,
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.ox = ox,
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.oy = oy,
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.width = surface->current.width,
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.height = surface->current.height,
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.rotation = 0,
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};
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wlr_surface_for_each_surface(surface,
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output_for_each_surface_iterator, &data);
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}
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void output_view_for_each_surface(struct roots_output *output,
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struct roots_view *view, roots_surface_iterator_func_t iterator,
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void *user_data) {
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struct surface_iterator_data data = {
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.user_iterator = iterator,
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.user_data = user_data,
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.output = output,
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.ox = view->box.x - output->wlr_output->lx,
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.oy = view->box.y - output->wlr_output->ly,
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.width = view->box.width,
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.height = view->box.height,
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.rotation = view->rotation,
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};
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view_for_each_surface(view, output_for_each_surface_iterator, &data);
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}
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#if WLR_HAS_XWAYLAND
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void output_xwayland_children_for_each_surface(
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struct roots_output *output, struct wlr_xwayland_surface *surface,
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roots_surface_iterator_func_t iterator, void *user_data) {
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struct wlr_xwayland_surface *child;
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wl_list_for_each(child, &surface->children, parent_link) {
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if (child->mapped) {
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double ox = child->x - output->wlr_output->lx;
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double oy = child->y - output->wlr_output->ly;
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output_surface_for_each_surface(output, child->surface,
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ox, oy, iterator, user_data);
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}
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output_xwayland_children_for_each_surface(output, child,
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iterator, user_data);
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}
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}
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#endif
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void output_layer_for_each_surface(struct roots_output *output,
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struct wl_list *layer_surfaces, roots_surface_iterator_func_t iterator,
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void *user_data) {
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struct roots_layer_surface *layer_surface;
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wl_list_for_each(layer_surface, layer_surfaces, link) {
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struct wlr_layer_surface_v1 *wlr_layer_surface_v1 =
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layer_surface->layer_surface;
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output_surface_for_each_surface(output, wlr_layer_surface_v1->surface,
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layer_surface->geo.x, layer_surface->geo.y, iterator,
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user_data);
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struct wlr_xdg_popup *state;
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wl_list_for_each(state, &wlr_layer_surface_v1->popups, link) {
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struct wlr_xdg_surface *popup = state->base;
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if (!popup->configured) {
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continue;
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}
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double popup_sx, popup_sy;
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popup_sx = layer_surface->geo.x;
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popup_sx += popup->popup->geometry.x - popup->geometry.x;
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popup_sy = layer_surface->geo.y;
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popup_sy += popup->popup->geometry.y - popup->geometry.y;
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output_surface_for_each_surface(output, popup->surface,
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popup_sx, popup_sy, iterator, user_data);
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}
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}
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}
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void output_drag_icons_for_each_surface(struct roots_output *output,
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struct roots_input *input, roots_surface_iterator_func_t iterator,
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void *user_data) {
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struct roots_seat *seat;
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wl_list_for_each(seat, &input->seats, link) {
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struct roots_drag_icon *drag_icon = seat->drag_icon;
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if (!drag_icon || !drag_icon->wlr_drag_icon->mapped) {
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continue;
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}
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double ox = drag_icon->x - output->wlr_output->lx;
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double oy = drag_icon->y - output->wlr_output->ly;
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output_surface_for_each_surface(output,
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drag_icon->wlr_drag_icon->surface, ox, oy, iterator, user_data);
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}
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}
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void output_for_each_surface(struct roots_output *output,
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roots_surface_iterator_func_t iterator, void *user_data) {
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struct roots_desktop *desktop = output->desktop;
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if (output->fullscreen_view != NULL) {
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struct roots_view *view = output->fullscreen_view;
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output_view_for_each_surface(output, view, iterator, user_data);
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#if WLR_HAS_XWAYLAND
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if (view->type == ROOTS_XWAYLAND_VIEW) {
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struct roots_xwayland_surface *xwayland_surface =
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roots_xwayland_surface_from_view(view);
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output_xwayland_children_for_each_surface(output,
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xwayland_surface->xwayland_surface, iterator, user_data);
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}
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#endif
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} else {
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struct roots_view *view;
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wl_list_for_each_reverse(view, &desktop->views, link) {
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output_view_for_each_surface(output, view, iterator, user_data);
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}
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}
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output_drag_icons_for_each_surface(output, desktop->server->input,
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iterator, user_data);
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size_t len = sizeof(output->layers) / sizeof(output->layers[0]);
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for (size_t i = 0; i < len; ++i) {
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output_layer_for_each_surface(output, &output->layers[i],
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iterator, user_data);
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}
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}
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static int scale_length(int length, int offset, float scale) {
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return round((offset + length) * scale) - round(offset * scale);
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}
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void scale_box(struct wlr_box *box, float scale) {
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box->width = scale_length(box->width, box->x, scale);
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box->height = scale_length(box->height, box->y, scale);
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box->x = round(box->x * scale);
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box->y = round(box->y * scale);
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}
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void get_decoration_box(struct roots_view *view,
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struct roots_output *output, struct wlr_box *box) {
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struct wlr_output *wlr_output = output->wlr_output;
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struct wlr_box deco_box;
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view_get_deco_box(view, &deco_box);
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double sx = deco_box.x - view->box.x;
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double sy = deco_box.y - view->box.y;
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rotate_child_position(&sx, &sy, deco_box.width, deco_box.height,
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view->wlr_surface->current.width,
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view->wlr_surface->current.height, view->rotation);
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double x = sx + view->box.x;
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double y = sy + view->box.y;
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wlr_output_layout_output_coords(output->desktop->layout, wlr_output, &x, &y);
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box->x = x * wlr_output->scale;
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box->y = y * wlr_output->scale;
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box->width = deco_box.width * wlr_output->scale;
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box->height = deco_box.height * wlr_output->scale;
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}
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void output_damage_whole(struct roots_output *output) {
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wlr_output_damage_add_whole(output->damage);
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}
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static bool view_accept_damage(struct roots_output *output,
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struct roots_view *view) {
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if (view->wlr_surface == NULL) {
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return false;
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}
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if (output->fullscreen_view == NULL) {
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return true;
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}
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if (output->fullscreen_view == view) {
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return true;
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}
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#if WLR_HAS_XWAYLAND
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if (output->fullscreen_view->type == ROOTS_XWAYLAND_VIEW &&
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view->type == ROOTS_XWAYLAND_VIEW) {
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// Special case: accept damage from children
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struct wlr_xwayland_surface *xsurface =
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roots_xwayland_surface_from_view(view)->xwayland_surface;
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struct wlr_xwayland_surface *fullscreen_xsurface =
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roots_xwayland_surface_from_view(output->fullscreen_view)->xwayland_surface;
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while (xsurface != NULL) {
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if (fullscreen_xsurface == xsurface) {
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return true;
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}
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xsurface = xsurface->parent;
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}
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}
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#endif
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return false;
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}
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static void damage_surface_iterator(struct roots_output *output,
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struct wlr_surface *surface, struct wlr_box *_box, float rotation,
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void *data) {
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bool *whole = data;
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struct wlr_box box = *_box;
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scale_box(&box, output->wlr_output->scale);
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int center_x = box.x + box.width/2;
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int center_y = box.y + box.height/2;
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if (pixman_region32_not_empty(&surface->buffer_damage)) {
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pixman_region32_t damage;
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pixman_region32_init(&damage);
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wlr_surface_get_effective_damage(surface, &damage);
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wlr_region_scale(&damage, &damage, output->wlr_output->scale);
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if (ceil(output->wlr_output->scale) > surface->current.scale) {
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// When scaling up a surface, it'll become blurry so we need to
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// expand the damage region
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wlr_region_expand(&damage, &damage,
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ceil(output->wlr_output->scale) - surface->current.scale);
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}
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pixman_region32_translate(&damage, box.x, box.y);
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wlr_region_rotated_bounds(&damage, &damage, rotation,
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center_x, center_y);
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wlr_output_damage_add(output->damage, &damage);
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pixman_region32_fini(&damage);
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}
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if (*whole) {
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wlr_box_rotated_bounds(&box, &box, rotation);
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wlr_output_damage_add_box(output->damage, &box);
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}
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wlr_output_schedule_frame(output->wlr_output);
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}
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void output_damage_whole_local_surface(struct roots_output *output,
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struct wlr_surface *surface, double ox, double oy) {
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bool whole = true;
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output_surface_for_each_surface(output, surface, ox, oy,
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damage_surface_iterator, &whole);
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}
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static void damage_whole_decoration(struct roots_view *view,
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struct roots_output *output) {
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if (!view->decorated || view->wlr_surface == NULL) {
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return;
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}
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struct wlr_box box;
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get_decoration_box(view, output, &box);
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wlr_box_rotated_bounds(&box, &box, view->rotation);
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wlr_output_damage_add_box(output->damage, &box);
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}
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void output_damage_whole_view(struct roots_output *output,
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struct roots_view *view) {
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if (!view_accept_damage(output, view)) {
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return;
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}
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damage_whole_decoration(view, output);
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bool whole = true;
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output_view_for_each_surface(output, view, damage_surface_iterator, &whole);
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}
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void output_damage_whole_drag_icon(struct roots_output *output,
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struct roots_drag_icon *icon) {
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bool whole = true;
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output_surface_for_each_surface(output, icon->wlr_drag_icon->surface,
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icon->x, icon->y, damage_surface_iterator, &whole);
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}
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void output_damage_from_local_surface(struct roots_output *output,
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struct wlr_surface *surface, double ox, double oy) {
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bool whole = false;
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output_surface_for_each_surface(output, surface, ox, oy,
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damage_surface_iterator, &whole);
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}
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void output_damage_from_view(struct roots_output *output,
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struct roots_view *view) {
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if (!view_accept_damage(output, view)) {
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return;
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}
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bool whole = false;
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output_view_for_each_surface(output, view, damage_surface_iterator, &whole);
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}
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static void set_mode(struct wlr_output *output,
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struct roots_output_config *oc) {
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int mhz = (int)(oc->mode.refresh_rate * 1000);
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if (wl_list_empty(&output->modes)) {
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// Output has no mode, try setting a custom one
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wlr_output_set_custom_mode(output, oc->mode.width, oc->mode.height, mhz);
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return;
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}
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struct wlr_output_mode *mode, *best = NULL;
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wl_list_for_each(mode, &output->modes, link) {
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if (mode->width == oc->mode.width && mode->height == oc->mode.height) {
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if (mode->refresh == mhz) {
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best = mode;
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break;
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}
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best = mode;
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}
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}
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if (!best) {
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wlr_log(WLR_ERROR, "Configured mode for %s not available", output->name);
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} else {
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wlr_log(WLR_DEBUG, "Assigning configured mode to %s", output->name);
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wlr_output_set_mode(output, best);
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}
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}
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static void update_output_manager_config(struct roots_desktop *desktop) {
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struct wlr_output_configuration_v1 *config =
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wlr_output_configuration_v1_create();
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struct roots_output *output;
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wl_list_for_each(output, &desktop->outputs, link) {
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struct wlr_output_configuration_head_v1 *head =
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wlr_output_configuration_head_v1_create(config, output->wlr_output);
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(void)head;
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}
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wlr_output_manager_v1_set_configuration(desktop->output_manager_v1, config);
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}
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static void output_destroy(struct roots_output *output) {
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// TODO: cursor
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//example_config_configure_cursor(sample->config, sample->cursor,
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// sample->compositor);
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wl_list_remove(&output->link);
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wl_list_remove(&output->destroy.link);
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wl_list_remove(&output->enable.link);
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wl_list_remove(&output->mode.link);
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wl_list_remove(&output->transform.link);
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wl_list_remove(&output->present.link);
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wl_list_remove(&output->damage_frame.link);
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wl_list_remove(&output->damage_destroy.link);
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free(output);
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}
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static void output_handle_destroy(struct wl_listener *listener, void *data) {
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struct roots_output *output = wl_container_of(listener, output, destroy);
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struct roots_desktop *desktop = output->desktop;
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output_destroy(output);
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update_output_manager_config(desktop);
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}
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static void output_handle_enable(struct wl_listener *listener, void *data) {
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struct roots_output *output = wl_container_of(listener, output, enable);
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update_output_manager_config(output->desktop);
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}
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static void output_damage_handle_frame(struct wl_listener *listener,
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void *data) {
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struct roots_output *output =
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wl_container_of(listener, output, damage_frame);
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output_render(output);
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}
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static void output_damage_handle_destroy(struct wl_listener *listener,
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void *data) {
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struct roots_output *output =
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wl_container_of(listener, output, damage_destroy);
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output_destroy(output);
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}
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static void output_handle_mode(struct wl_listener *listener, void *data) {
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struct roots_output *output =
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wl_container_of(listener, output, mode);
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arrange_layers(output);
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update_output_manager_config(output->desktop);
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}
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static void output_handle_transform(struct wl_listener *listener, void *data) {
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struct roots_output *output =
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wl_container_of(listener, output, transform);
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arrange_layers(output);
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}
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static void surface_send_presented_iterator(struct roots_output *output,
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struct wlr_surface *surface, struct wlr_box *_box, float rotation,
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void *data) {
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struct wlr_presentation_event *event = data;
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wlr_presentation_send_surface_presented(output->desktop->presentation,
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surface, event);
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}
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static void output_handle_present(struct wl_listener *listener, void *data) {
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struct roots_output *output =
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wl_container_of(listener, output, present);
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struct wlr_output_event_present *output_event = data;
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struct wlr_presentation_event event = {
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.output = output->wlr_output,
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.tv_sec = (uint64_t)output_event->when->tv_sec,
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.tv_nsec = (uint32_t)output_event->when->tv_nsec,
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.refresh = (uint32_t)output_event->refresh,
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.seq = (uint64_t)output_event->seq,
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.flags = output_event->flags,
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};
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output_for_each_surface(output,
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surface_send_presented_iterator, &event);
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}
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|
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void handle_new_output(struct wl_listener *listener, void *data) {
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struct roots_desktop *desktop = wl_container_of(listener, desktop,
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new_output);
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struct wlr_output *wlr_output = data;
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struct roots_input *input = desktop->server->input;
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struct roots_config *config = desktop->config;
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wlr_log(WLR_DEBUG, "Output '%s' added", wlr_output->name);
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wlr_log(WLR_DEBUG, "'%s %s %s' %"PRId32"mm x %"PRId32"mm", wlr_output->make,
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wlr_output->model, wlr_output->serial, wlr_output->phys_width,
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wlr_output->phys_height);
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|
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struct roots_output *output = calloc(1, sizeof(struct roots_output));
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clock_gettime(CLOCK_MONOTONIC, &output->last_frame);
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output->desktop = desktop;
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output->wlr_output = wlr_output;
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wlr_output->data = output;
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wl_list_insert(&desktop->outputs, &output->link);
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|
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output->damage = wlr_output_damage_create(wlr_output);
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|
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output->destroy.notify = output_handle_destroy;
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wl_signal_add(&wlr_output->events.destroy, &output->destroy);
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output->enable.notify = output_handle_enable;
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wl_signal_add(&wlr_output->events.enable, &output->enable);
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output->mode.notify = output_handle_mode;
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wl_signal_add(&wlr_output->events.mode, &output->mode);
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output->transform.notify = output_handle_transform;
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wl_signal_add(&wlr_output->events.transform, &output->transform);
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output->present.notify = output_handle_present;
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wl_signal_add(&wlr_output->events.present, &output->present);
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|
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output->damage_frame.notify = output_damage_handle_frame;
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wl_signal_add(&output->damage->events.frame, &output->damage_frame);
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output->damage_destroy.notify = output_damage_handle_destroy;
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wl_signal_add(&output->damage->events.destroy, &output->damage_destroy);
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|
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size_t len = sizeof(output->layers) / sizeof(output->layers[0]);
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|
for (size_t i = 0; i < len; ++i) {
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wl_list_init(&output->layers[i]);
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|
}
|
|
|
|
struct roots_output_config *output_config =
|
|
roots_config_get_output(config, wlr_output);
|
|
|
|
if ((!output_config || output_config->enable) && !wl_list_empty(&wlr_output->modes)) {
|
|
struct wlr_output_mode *mode =
|
|
wl_container_of(wlr_output->modes.prev, mode, link);
|
|
wlr_output_set_mode(wlr_output, mode);
|
|
}
|
|
|
|
if (output_config) {
|
|
if (output_config->enable) {
|
|
if (wlr_output_is_drm(wlr_output)) {
|
|
struct roots_output_mode_config *mode_config;
|
|
wl_list_for_each(mode_config, &output_config->modes, link) {
|
|
wlr_drm_connector_add_mode(wlr_output, &mode_config->info);
|
|
}
|
|
} else if (!wl_list_empty(&output_config->modes)) {
|
|
wlr_log(WLR_ERROR, "Can only add modes for DRM backend");
|
|
}
|
|
|
|
if (output_config->mode.width) {
|
|
set_mode(wlr_output, output_config);
|
|
}
|
|
|
|
wlr_output_set_scale(wlr_output, output_config->scale);
|
|
wlr_output_set_transform(wlr_output, output_config->transform);
|
|
wlr_output_layout_add(desktop->layout, wlr_output, output_config->x,
|
|
output_config->y);
|
|
} else {
|
|
wlr_output_enable(wlr_output, false);
|
|
}
|
|
} else {
|
|
wlr_output_layout_add_auto(desktop->layout, wlr_output);
|
|
}
|
|
|
|
struct roots_seat *seat;
|
|
wl_list_for_each(seat, &input->seats, link) {
|
|
roots_seat_configure_cursor(seat);
|
|
roots_seat_configure_xcursor(seat);
|
|
}
|
|
|
|
arrange_layers(output);
|
|
output_damage_whole(output);
|
|
|
|
update_output_manager_config(desktop);
|
|
}
|