sway/sway/desktop/render.c

1139 lines
35 KiB
C

#define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include <stdlib.h>
#include <strings.h>
#include <time.h>
#include <wayland-server-core.h>
#include <wlr/config.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/types/wlr_buffer.h>
#include <wlr/types/wlr_damage_ring.h>
#include <wlr/types/wlr_matrix.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_compositor.h>
#include <wlr/util/region.h>
#include "log.h"
#include "config.h"
#include "sway/config.h"
#include "sway/input/input-manager.h"
#include "sway/input/seat.h"
#include "sway/layers.h"
#include "sway/output.h"
#include "sway/server.h"
#include "sway/tree/arrange.h"
#include "sway/tree/container.h"
#include "sway/tree/root.h"
#include "sway/tree/view.h"
#include "sway/tree/workspace.h"
struct render_data {
struct render_context *ctx;
const pixman_region32_t *damage;
float alpha;
struct wlr_box *clip_box;
};
static void transform_output_damage(pixman_region32_t *damage, struct wlr_output *output) {
int ow, oh;
wlr_output_transformed_resolution(output, &ow, &oh);
enum wl_output_transform transform =
wlr_output_transform_invert(output->transform);
wlr_region_transform(damage, damage, transform, ow, oh);
}
static void transform_output_box(struct wlr_box *box, struct wlr_output *output) {
int ow, oh;
wlr_output_transformed_resolution(output, &ow, &oh);
enum wl_output_transform transform =
wlr_output_transform_invert(output->transform);
wlr_box_transform(box, box, transform, ow, oh);
}
/**
* Apply scale to a width or height.
*
* One does not simply multiply the width by the scale. We allow fractional
* scaling, which means the resulting scaled width might be a decimal.
* So we round it.
*
* But even this can produce undesirable results depending on the X or Y offset
* of the box. For example, with a scale of 1.5, a box with width=1 should not
* scale to 2px if its X coordinate is 1, because the X coordinate would have
* scaled to 2px.
*/
static int scale_length(int length, int offset, float scale) {
return roundf((offset + length) * scale) - roundf(offset * scale);
}
static enum wlr_scale_filter_mode get_scale_filter(struct sway_output *output) {
switch (output->scale_filter) {
case SCALE_FILTER_LINEAR:
return WLR_SCALE_FILTER_BILINEAR;
case SCALE_FILTER_NEAREST:
return WLR_SCALE_FILTER_NEAREST;
default:
abort(); // unreachable
}
}
static void render_texture(struct render_context *ctx, struct wlr_texture *texture,
const struct wlr_fbox *_src_box, const struct wlr_box *dst_box,
const struct wlr_box *clip_box, enum wl_output_transform transform, float alpha) {
struct sway_output *output = ctx->output;
struct wlr_box proj_box = *dst_box;
struct wlr_fbox src_box = {0};
if (_src_box) {
src_box = *_src_box;
}
pixman_region32_t damage;
pixman_region32_init_rect(&damage, proj_box.x, proj_box.y,
proj_box.width, proj_box.height);
pixman_region32_intersect(&damage, &damage, ctx->output_damage);
if (clip_box) {
pixman_region32_intersect_rect(&damage, &damage,
clip_box->x, clip_box->y, clip_box->width, clip_box->height);
}
bool damaged = pixman_region32_not_empty(&damage);
if (!damaged) {
goto damage_finish;
}
transform_output_box(&proj_box, output->wlr_output);
transform_output_damage(&damage, output->wlr_output);
transform = wlr_output_transform_compose(transform, output->wlr_output->transform);
wlr_render_pass_add_texture(ctx->pass, &(struct wlr_render_texture_options) {
.texture = texture,
.src_box = src_box,
.dst_box = proj_box,
.transform = transform,
.alpha = &alpha,
.clip = &damage,
.filter_mode = get_scale_filter(output),
});
damage_finish:
pixman_region32_fini(&damage);
}
static void render_surface_iterator(struct sway_output *output,
struct sway_view *view, struct wlr_surface *surface,
struct wlr_box *_box, void *_data) {
struct render_data *data = _data;
struct wlr_output *wlr_output = output->wlr_output;
float alpha = data->alpha;
struct wlr_texture *texture = wlr_surface_get_texture(surface);
if (!texture) {
return;
}
struct wlr_fbox src_box;
wlr_surface_get_buffer_source_box(surface, &src_box);
struct wlr_box dst_box = *_box;
struct wlr_box clip_box = *_box;
if (data->clip_box != NULL) {
clip_box.width = fmin(dst_box.width, data->clip_box->width);
clip_box.height = fmin(dst_box.height, data->clip_box->height);
}
scale_box(&dst_box, wlr_output->scale);
scale_box(&clip_box, wlr_output->scale);
render_texture(data->ctx, texture,
&src_box, &dst_box, &clip_box, surface->current.transform, alpha);
wlr_presentation_surface_textured_on_output(server.presentation, surface,
wlr_output);
}
static void render_layer_toplevel(struct render_context *ctx, struct wl_list *layer_surfaces) {
struct render_data data = {
.alpha = 1.0f,
.ctx = ctx,
};
output_layer_for_each_toplevel_surface(ctx->output, layer_surfaces,
render_surface_iterator, &data);
}
static void render_layer_popups(struct render_context *ctx, struct wl_list *layer_surfaces) {
struct render_data data = {
.alpha = 1.0f,
.ctx = ctx,
};
output_layer_for_each_popup_surface(ctx->output, layer_surfaces,
render_surface_iterator, &data);
}
#if HAVE_XWAYLAND
static void render_unmanaged(struct render_context *ctx, struct wl_list *unmanaged) {
struct render_data data = {
.alpha = 1.0f,
.ctx = ctx,
};
output_unmanaged_for_each_surface(ctx->output, unmanaged,
render_surface_iterator, &data);
}
#endif
static void render_drag_icons(struct render_context *ctx, struct wl_list *drag_icons) {
struct render_data data = {
.alpha = 1.0f,
.ctx = ctx,
};
output_drag_icons_for_each_surface(ctx->output, drag_icons,
render_surface_iterator, &data);
}
// _box.x and .y are expected to be layout-local
// _box.width and .height are expected to be output-buffer-local
void render_rect(struct render_context *ctx, const struct wlr_box *_box,
float color[static 4]) {
struct wlr_output *wlr_output = ctx->output->wlr_output;
struct wlr_box box = *_box;
box.x -= ctx->output->lx * wlr_output->scale;
box.y -= ctx->output->ly * wlr_output->scale;
pixman_region32_t damage;
pixman_region32_init_rect(&damage, box.x, box.y,
box.width, box.height);
pixman_region32_intersect(&damage, &damage, ctx->output_damage);
bool damaged = pixman_region32_not_empty(&damage);
if (!damaged) {
goto damage_finish;
}
transform_output_damage(&damage, wlr_output);
transform_output_box(&box, wlr_output);
wlr_render_pass_add_rect(ctx->pass, &(struct wlr_render_rect_options){
.box = box,
.color = {
.r = color[0],
.g = color[1],
.b = color[2],
.a = color[3],
},
.clip = &damage,
});
damage_finish:
pixman_region32_fini(&damage);
}
void premultiply_alpha(float color[4], float opacity) {
color[3] *= opacity;
color[0] *= color[3];
color[1] *= color[3];
color[2] *= color[3];
}
static void render_view_toplevels(struct render_context *ctx,
struct sway_view *view, float alpha) {
struct render_data data = {
.alpha = alpha,
.ctx = ctx,
};
struct wlr_box clip_box;
if (!container_is_current_floating(view->container)) {
// As we pass the geometry offsets to the surface iterator, we will
// need to account for the offsets in the clip dimensions.
clip_box.width = view->container->current.content_width + view->geometry.x;
clip_box.height = view->container->current.content_height + view->geometry.y;
data.clip_box = &clip_box;
}
// Render all toplevels without descending into popups
double ox = view->container->surface_x -
ctx->output->lx - view->geometry.x;
double oy = view->container->surface_y -
ctx->output->ly - view->geometry.y;
output_surface_for_each_surface(ctx->output, view->surface, ox, oy,
render_surface_iterator, &data);
}
static void render_view_popups(struct render_context *ctx, struct sway_view *view,
float alpha) {
struct render_data data = {
.alpha = alpha,
.ctx = ctx,
};
output_view_for_each_popup_surface(ctx->output, view,
render_surface_iterator, &data);
}
static void render_saved_view(struct render_context *ctx, struct sway_view *view,
float alpha) {
struct sway_output *output = ctx->output;
struct wlr_output *wlr_output = output->wlr_output;
if (wl_list_empty(&view->saved_buffers)) {
return;
}
bool floating = container_is_current_floating(view->container);
struct sway_saved_buffer *saved_buf;
wl_list_for_each(saved_buf, &view->saved_buffers, link) {
if (!saved_buf->buffer->texture) {
continue;
}
struct wlr_box proj_box = {
.x = saved_buf->x - view->saved_geometry.x - output->lx,
.y = saved_buf->y - view->saved_geometry.y - output->ly,
.width = saved_buf->width,
.height = saved_buf->height,
};
struct wlr_box output_box = {
.width = output->width,
.height = output->height,
};
struct wlr_box intersection;
bool intersects = wlr_box_intersection(&intersection, &output_box, &proj_box);
if (!intersects) {
continue;
}
struct wlr_box dst_box = proj_box;
struct wlr_box clip_box = proj_box;
if (!floating) {
clip_box.width = fmin(dst_box.width,
view->container->current.content_width -
(saved_buf->x - view->container->current.content_x) + view->saved_geometry.x);
clip_box.height = fmin(dst_box.height,
view->container->current.content_height -
(saved_buf->y - view->container->current.content_y) + view->saved_geometry.y);
}
scale_box(&dst_box, wlr_output->scale);
scale_box(&clip_box, wlr_output->scale);
render_texture(ctx, saved_buf->buffer->texture,
&saved_buf->source_box, &dst_box, &clip_box, saved_buf->transform, alpha);
}
// FIXME: we should set the surface that this saved buffer originates from
// as sampled here.
// https://github.com/swaywm/sway/pull/4465#discussion_r321082059
}
/**
* Render a view's surface and left/bottom/right borders.
*/
static void render_view(struct render_context *ctx,
struct sway_container *con, struct border_colors *colors) {
struct sway_view *view = con->view;
if (!wl_list_empty(&view->saved_buffers)) {
render_saved_view(ctx, view, view->container->alpha);
} else if (view->surface) {
render_view_toplevels(ctx, view, view->container->alpha);
}
if (con->current.border == B_NONE || con->current.border == B_CSD) {
return;
}
struct wlr_box box;
float output_scale = ctx->output->wlr_output->scale;
float color[4];
struct sway_container_state *state = &con->current;
if (state->border_left) {
memcpy(&color, colors->child_border, sizeof(float) * 4);
premultiply_alpha(color, con->alpha);
box.x = floor(state->x);
box.y = floor(state->content_y);
box.width = state->border_thickness;
box.height = state->content_height;
scale_box(&box, output_scale);
render_rect(ctx, &box, color);
}
list_t *siblings = container_get_current_siblings(con);
enum sway_container_layout layout =
container_current_parent_layout(con);
if (state->border_right) {
if (!container_is_current_floating(con) && siblings->length == 1 && layout == L_HORIZ) {
memcpy(&color, colors->indicator, sizeof(float) * 4);
} else {
memcpy(&color, colors->child_border, sizeof(float) * 4);
}
premultiply_alpha(color, con->alpha);
box.x = floor(state->content_x + state->content_width);
box.y = floor(state->content_y);
box.width = state->border_thickness;
box.height = state->content_height;
scale_box(&box, output_scale);
render_rect(ctx, &box, color);
}
if (state->border_bottom) {
if (!container_is_current_floating(con) && siblings->length == 1 && layout == L_VERT) {
memcpy(&color, colors->indicator, sizeof(float) * 4);
} else {
memcpy(&color, colors->child_border, sizeof(float) * 4);
}
premultiply_alpha(color, con->alpha);
box.x = floor(state->x);
box.y = floor(state->content_y + state->content_height);
box.width = state->width;
box.height = state->border_thickness;
scale_box(&box, output_scale);
render_rect(ctx, &box, color);
}
}
/**
* Render a titlebar.
*
* Care must be taken not to render over the same pixel multiple times,
* otherwise the colors will be incorrect when using opacity.
*
* The height is: 1px border, 3px padding, font height, 3px padding, 1px border
* The left side is: 1px border, 2px padding, title
*/
static void render_titlebar(struct render_context *ctx, struct sway_container *con,
int x, int y, int width,
struct border_colors *colors, struct wlr_texture *title_texture,
struct wlr_texture *marks_texture) {
struct wlr_box box;
float color[4];
struct sway_output *output = ctx->output;
float output_scale = output->wlr_output->scale;
double output_x = output->lx;
double output_y = output->ly;
int titlebar_border_thickness = config->titlebar_border_thickness;
int titlebar_h_padding = config->titlebar_h_padding;
int titlebar_v_padding = config->titlebar_v_padding;
enum alignment title_align = config->title_align;
// Single pixel bar above title
memcpy(&color, colors->border, sizeof(float) * 4);
premultiply_alpha(color, con->alpha);
box.x = x;
box.y = y;
box.width = width;
box.height = titlebar_border_thickness;
scale_box(&box, output_scale);
render_rect(ctx, &box, color);
// Single pixel bar below title
box.x = x;
box.y = y + container_titlebar_height() - titlebar_border_thickness;
box.width = width;
box.height = titlebar_border_thickness;
scale_box(&box, output_scale);
render_rect(ctx, &box, color);
// Single pixel left edge
box.x = x;
box.y = y + titlebar_border_thickness;
box.width = titlebar_border_thickness;
box.height = container_titlebar_height() - titlebar_border_thickness * 2;
scale_box(&box, output_scale);
render_rect(ctx, &box, color);
// Single pixel right edge
box.x = x + width - titlebar_border_thickness;
box.y = y + titlebar_border_thickness;
box.width = titlebar_border_thickness;
box.height = container_titlebar_height() - titlebar_border_thickness * 2;
scale_box(&box, output_scale);
render_rect(ctx, &box, color);
int inner_x = x - output_x + titlebar_h_padding;
int bg_y = y + titlebar_border_thickness;
size_t inner_width = width - titlebar_h_padding * 2;
// output-buffer local
int ob_inner_x = roundf(inner_x * output_scale);
int ob_inner_width = scale_length(inner_width, inner_x, output_scale);
int ob_bg_height = scale_length(
(titlebar_v_padding - titlebar_border_thickness) * 2 +
config->font_height, bg_y, output_scale);
// Marks
int ob_marks_x = 0; // output-buffer-local
int ob_marks_width = 0; // output-buffer-local
if (config->show_marks && marks_texture) {
struct wlr_box texture_box = {
.width = marks_texture->width,
.height = marks_texture->height,
};
ob_marks_width = texture_box.width;
// The marks texture might be shorter than the config->font_height, in
// which case we need to pad it as evenly as possible above and below.
int ob_padding_total = ob_bg_height - texture_box.height;
int ob_padding_above = floor(ob_padding_total / 2.0);
int ob_padding_below = ceil(ob_padding_total / 2.0);
// Render texture. If the title is on the right, the marks will be on
// the left. Otherwise, they will be on the right.
if (title_align == ALIGN_RIGHT || texture_box.width > ob_inner_width) {
texture_box.x = ob_inner_x;
} else {
texture_box.x = ob_inner_x + ob_inner_width - texture_box.width;
}
ob_marks_x = texture_box.x;
texture_box.y = round((bg_y - output_y) * output_scale) +
ob_padding_above;
struct wlr_box clip_box = texture_box;
if (ob_inner_width < clip_box.width) {
clip_box.width = ob_inner_width;
}
render_texture(ctx, marks_texture,
NULL, &texture_box, &clip_box, WL_OUTPUT_TRANSFORM_NORMAL, con->alpha);
// Padding above
memcpy(&color, colors->background, sizeof(float) * 4);
premultiply_alpha(color, con->alpha);
box.x = clip_box.x + round(output_x * output_scale);
box.y = roundf((y + titlebar_border_thickness) * output_scale);
box.width = clip_box.width;
box.height = ob_padding_above;
render_rect(ctx, &box, color);
// Padding below
box.y += ob_padding_above + clip_box.height;
box.height = ob_padding_below;
render_rect(ctx, &box, color);
}
// Title text
int ob_title_x = 0; // output-buffer-local
int ob_title_width = 0; // output-buffer-local
if (title_texture) {
struct wlr_box texture_box = {
.width = title_texture->width,
.height = title_texture->height,
};
// The effective output may be NULL when con is not on any output.
// This can happen because we render all children of containers,
// even those that are out of the bounds of any output.
struct sway_output *effective = container_get_effective_output(con);
float title_scale = effective ? effective->wlr_output->scale : output_scale;
texture_box.width = texture_box.width * output_scale / title_scale;
texture_box.height = texture_box.height * output_scale / title_scale;
ob_title_width = texture_box.width;
// The title texture might be shorter than the config->font_height,
// in which case we need to pad it above and below.
int ob_padding_above = roundf((titlebar_v_padding -
titlebar_border_thickness) * output_scale);
int ob_padding_below = ob_bg_height - ob_padding_above -
texture_box.height;
// Render texture
if (texture_box.width > ob_inner_width - ob_marks_width) {
texture_box.x = (title_align == ALIGN_RIGHT && ob_marks_width)
? ob_marks_x + ob_marks_width : ob_inner_x;
} else if (title_align == ALIGN_LEFT) {
texture_box.x = ob_inner_x;
} else if (title_align == ALIGN_CENTER) {
// If there are marks visible, center between the edge and marks.
// Otherwise, center in the inner area.
if (ob_marks_width) {
texture_box.x = (ob_inner_x + ob_marks_x) / 2
- texture_box.width / 2;
} else {
texture_box.x = ob_inner_x + ob_inner_width / 2
- texture_box.width / 2;
}
} else {
texture_box.x = ob_inner_x + ob_inner_width - texture_box.width;
}
ob_title_x = texture_box.x;
texture_box.y =
round((bg_y - output_y) * output_scale) + ob_padding_above;
struct wlr_box clip_box = texture_box;
if (ob_inner_width - ob_marks_width < clip_box.width) {
clip_box.width = ob_inner_width - ob_marks_width;
}
render_texture(ctx, title_texture,
NULL, &texture_box, &clip_box, WL_OUTPUT_TRANSFORM_NORMAL, con->alpha);
// Padding above
memcpy(&color, colors->background, sizeof(float) * 4);
premultiply_alpha(color, con->alpha);
box.x = clip_box.x + round(output_x * output_scale);
box.y = roundf((y + titlebar_border_thickness) * output_scale);
box.width = clip_box.width;
box.height = ob_padding_above;
render_rect(ctx, &box, color);
// Padding below
box.y += ob_padding_above + clip_box.height;
box.height = ob_padding_below;
render_rect(ctx, &box, color);
}
// Determine the left + right extends of the textures (output-buffer local)
int ob_left_x, ob_left_width, ob_right_x, ob_right_width;
if (ob_title_width == 0 && ob_marks_width == 0) {
ob_left_x = ob_inner_x;
ob_left_width = 0;
ob_right_x = ob_inner_x;
ob_right_width = 0;
} else if (ob_title_x < ob_marks_x) {
ob_left_x = ob_title_x;
ob_left_width = ob_title_width;
ob_right_x = ob_marks_x;
ob_right_width = ob_marks_width;
} else {
ob_left_x = ob_marks_x;
ob_left_width = ob_marks_width;
ob_right_x = ob_title_x;
ob_right_width = ob_title_width;
}
if (ob_left_x < ob_inner_x) {
ob_left_x = ob_inner_x;
} else if (ob_left_x + ob_left_width > ob_right_x + ob_right_width) {
ob_right_x = ob_left_x;
ob_right_width = ob_left_width;
}
// Filler between title and marks
box.width = ob_right_x - ob_left_x - ob_left_width;
if (box.width > 0) {
box.x = ob_left_x + ob_left_width + round(output_x * output_scale);
box.y = roundf(bg_y * output_scale);
box.height = ob_bg_height;
render_rect(ctx, &box, color);
}
// Padding on left side
box.x = x + titlebar_border_thickness;
box.y = y + titlebar_border_thickness;
box.width = titlebar_h_padding - titlebar_border_thickness;
box.height = (titlebar_v_padding - titlebar_border_thickness) * 2 +
config->font_height;
scale_box(&box, output_scale);
int left_x = ob_left_x + round(output_x * output_scale);
if (box.x + box.width < left_x) {
box.width += left_x - box.x - box.width;
}
render_rect(ctx, &box, color);
// Padding on right side
box.x = x + width - titlebar_h_padding;
box.y = y + titlebar_border_thickness;
box.width = titlebar_h_padding - titlebar_border_thickness;
box.height = (titlebar_v_padding - titlebar_border_thickness) * 2 +
config->font_height;
scale_box(&box, output_scale);
int right_rx = ob_right_x + ob_right_width + round(output_x * output_scale);
if (right_rx < box.x) {
box.width += box.x - right_rx;
box.x = right_rx;
}
render_rect(ctx, &box, color);
}
/**
* Render the top border line for a view using "border pixel".
*/
static void render_top_border(struct render_context *ctx, struct sway_container *con,
struct border_colors *colors) {
struct sway_container_state *state = &con->current;
if (!state->border_top) {
return;
}
struct wlr_box box;
float color[4];
float output_scale = ctx->output->wlr_output->scale;
// Child border - top edge
memcpy(&color, colors->child_border, sizeof(float) * 4);
premultiply_alpha(color, con->alpha);
box.x = floor(state->x);
box.y = floor(state->y);
box.width = state->width;
box.height = state->border_thickness;
scale_box(&box, output_scale);
render_rect(ctx, &box, color);
}
struct parent_data {
enum sway_container_layout layout;
struct wlr_box box;
list_t *children;
bool focused;
struct sway_container *active_child;
};
static void render_container(struct render_context *ctx,
struct sway_container *con, bool parent_focused);
/**
* Render a container's children using a L_HORIZ or L_VERT layout.
*
* Wrap child views in borders and leave child containers borderless because
* they'll apply their own borders to their children.
*/
static void render_containers_linear(struct render_context *ctx, struct parent_data *parent) {
for (int i = 0; i < parent->children->length; ++i) {
struct sway_container *child = parent->children->items[i];
if (child->view) {
struct sway_view *view = child->view;
struct border_colors *colors;
struct wlr_texture *title_texture;
struct wlr_texture *marks_texture;
struct sway_container_state *state = &child->current;
if (view_is_urgent(view)) {
colors = &config->border_colors.urgent;
title_texture = child->title_urgent;
marks_texture = child->marks_urgent;
} else if (state->focused || parent->focused) {
colors = &config->border_colors.focused;
title_texture = child->title_focused;
marks_texture = child->marks_focused;
} else if (child == parent->active_child) {
colors = &config->border_colors.focused_inactive;
title_texture = child->title_focused_inactive;
marks_texture = child->marks_focused_inactive;
} else {
colors = &config->border_colors.unfocused;
title_texture = child->title_unfocused;
marks_texture = child->marks_unfocused;
}
if (state->border == B_NORMAL) {
render_titlebar(ctx, child, floor(state->x),
floor(state->y), state->width, colors,
title_texture, marks_texture);
} else if (state->border == B_PIXEL) {
render_top_border(ctx, child, colors);
}
render_view(ctx, child, colors);
} else {
render_container(ctx, child,
parent->focused || child->current.focused);
}
}
}
static bool container_is_focused(struct sway_container *con, void *data) {
return con->current.focused;
}
static bool container_has_focused_child(struct sway_container *con) {
return container_find_child(con, container_is_focused, NULL);
}
/**
* Render a container's children using the L_TABBED layout.
*/
static void render_containers_tabbed(struct render_context *ctx, struct parent_data *parent) {
if (!parent->children->length) {
return;
}
struct sway_container *current = parent->active_child;
struct border_colors *current_colors = &config->border_colors.unfocused;
int tab_width = parent->box.width / parent->children->length;
// Render tabs
for (int i = 0; i < parent->children->length; ++i) {
struct sway_container *child = parent->children->items[i];
struct sway_view *view = child->view;
struct sway_container_state *cstate = &child->current;
struct border_colors *colors;
struct wlr_texture *title_texture;
struct wlr_texture *marks_texture;
bool urgent = view ?
view_is_urgent(view) : container_has_urgent_child(child);
if (urgent) {
colors = &config->border_colors.urgent;
title_texture = child->title_urgent;
marks_texture = child->marks_urgent;
} else if (cstate->focused || parent->focused) {
colors = &config->border_colors.focused;
title_texture = child->title_focused;
marks_texture = child->marks_focused;
} else if (config->has_focused_tab_title && container_has_focused_child(child)) {
colors = &config->border_colors.focused_tab_title;
title_texture = child->title_focused_tab_title;
marks_texture = child->marks_focused_tab_title;
} else if (child == parent->active_child) {
colors = &config->border_colors.focused_inactive;
title_texture = child->title_focused_inactive;
marks_texture = child->marks_focused_inactive;
} else {
colors = &config->border_colors.unfocused;
title_texture = child->title_unfocused;
marks_texture = child->marks_unfocused;
}
int x = floor(cstate->x + tab_width * i);
// Make last tab use the remaining width of the parent
if (i == parent->children->length - 1) {
tab_width = parent->box.width - tab_width * i;
}
render_titlebar(ctx, child, x, parent->box.y, tab_width,
colors, title_texture, marks_texture);
if (child == current) {
current_colors = colors;
}
}
// Render surface and left/right/bottom borders
if (current->view) {
render_view(ctx, current, current_colors);
} else {
render_container(ctx, current,
parent->focused || current->current.focused);
}
}
/**
* Render a container's children using the L_STACKED layout.
*/
static void render_containers_stacked(struct render_context *ctx, struct parent_data *parent) {
if (!parent->children->length) {
return;
}
struct sway_container *current = parent->active_child;
struct border_colors *current_colors = &config->border_colors.unfocused;
size_t titlebar_height = container_titlebar_height();
// Render titles
for (int i = 0; i < parent->children->length; ++i) {
struct sway_container *child = parent->children->items[i];
struct sway_view *view = child->view;
struct sway_container_state *cstate = &child->current;
struct border_colors *colors;
struct wlr_texture *title_texture;
struct wlr_texture *marks_texture;
bool urgent = view ?
view_is_urgent(view) : container_has_urgent_child(child);
if (urgent) {
colors = &config->border_colors.urgent;
title_texture = child->title_urgent;
marks_texture = child->marks_urgent;
} else if (cstate->focused || parent->focused) {
colors = &config->border_colors.focused;
title_texture = child->title_focused;
marks_texture = child->marks_focused;
} else if (config->has_focused_tab_title && container_has_focused_child(child)) {
colors = &config->border_colors.focused_tab_title;
title_texture = child->title_focused_tab_title;
marks_texture = child->marks_focused_tab_title;
} else if (child == parent->active_child) {
colors = &config->border_colors.focused_inactive;
title_texture = child->title_focused_inactive;
marks_texture = child->marks_focused_inactive;
} else {
colors = &config->border_colors.unfocused;
title_texture = child->title_unfocused;
marks_texture = child->marks_unfocused;
}
int y = parent->box.y + titlebar_height * i;
render_titlebar(ctx, child, parent->box.x, y,
parent->box.width, colors, title_texture, marks_texture);
if (child == current) {
current_colors = colors;
}
}
// Render surface and left/right/bottom borders
if (current->view) {
render_view(ctx, current, current_colors);
} else {
render_container(ctx, current,
parent->focused || current->current.focused);
}
}
static void render_containers(struct render_context *ctx, struct parent_data *parent) {
if (config->hide_lone_tab && parent->children->length == 1) {
struct sway_container *child = parent->children->items[0];
if (child->view) {
render_containers_linear(ctx, parent);
return;
}
}
switch (parent->layout) {
case L_NONE:
case L_HORIZ:
case L_VERT:
render_containers_linear(ctx, parent);
break;
case L_STACKED:
render_containers_stacked(ctx, parent);
break;
case L_TABBED:
render_containers_tabbed(ctx, parent);
break;
}
}
static void render_container(struct render_context *ctx,
struct sway_container *con, bool focused) {
struct parent_data data = {
.layout = con->current.layout,
.box = {
.x = floor(con->current.x),
.y = floor(con->current.y),
.width = con->current.width,
.height = con->current.height,
},
.children = con->current.children,
.focused = focused,
.active_child = con->current.focused_inactive_child,
};
render_containers(ctx, &data);
}
static void render_workspace(struct render_context *ctx,
struct sway_workspace *ws, bool focused) {
struct parent_data data = {
.layout = ws->current.layout,
.box = {
.x = floor(ws->current.x),
.y = floor(ws->current.y),
.width = ws->current.width,
.height = ws->current.height,
},
.children = ws->current.tiling,
.focused = focused,
.active_child = ws->current.focused_inactive_child,
};
render_containers(ctx, &data);
}
static void render_floating_container(struct render_context *ctx,
struct sway_container *con) {
if (con->view) {
struct sway_view *view = con->view;
struct border_colors *colors;
struct wlr_texture *title_texture;
struct wlr_texture *marks_texture;
if (view_is_urgent(view)) {
colors = &config->border_colors.urgent;
title_texture = con->title_urgent;
marks_texture = con->marks_urgent;
} else if (con->current.focused) {
colors = &config->border_colors.focused;
title_texture = con->title_focused;
marks_texture = con->marks_focused;
} else {
colors = &config->border_colors.unfocused;
title_texture = con->title_unfocused;
marks_texture = con->marks_unfocused;
}
if (con->current.border == B_NORMAL) {
render_titlebar(ctx, con, floor(con->current.x),
floor(con->current.y), con->current.width, colors,
title_texture, marks_texture);
} else if (con->current.border == B_PIXEL) {
render_top_border(ctx, con, colors);
}
render_view(ctx, con, colors);
} else {
render_container(ctx, con, con->current.focused);
}
}
static void render_floating(struct render_context *ctx) {
for (int i = 0; i < root->outputs->length; ++i) {
struct sway_output *output = root->outputs->items[i];
for (int j = 0; j < output->current.workspaces->length; ++j) {
struct sway_workspace *ws = output->current.workspaces->items[j];
if (!workspace_is_visible(ws)) {
continue;
}
for (int k = 0; k < ws->current.floating->length; ++k) {
struct sway_container *floater = ws->current.floating->items[k];
if (floater->current.fullscreen_mode != FULLSCREEN_NONE) {
continue;
}
render_floating_container(ctx, floater);
}
}
}
}
static void render_seatops(struct render_context *ctx) {
struct sway_seat *seat;
wl_list_for_each(seat, &server.input->seats, link) {
seatop_render(seat, ctx);
}
}
void output_render(struct render_context *ctx) {
struct wlr_output *wlr_output = ctx->output->wlr_output;
struct sway_output *output = ctx->output;
const pixman_region32_t *damage = ctx->output_damage;
struct sway_workspace *workspace = output->current.active_workspace;
if (workspace == NULL) {
return;
}
struct sway_container *fullscreen_con = root->fullscreen_global;
if (!fullscreen_con) {
fullscreen_con = workspace->current.fullscreen;
}
if (!pixman_region32_not_empty(damage)) {
// Output isn't damaged but needs buffer swap
return;
}
if (debug.damage == DAMAGE_HIGHLIGHT) {
wlr_render_pass_add_rect(ctx->pass, &(struct wlr_render_rect_options){
.box = { .width = wlr_output->width, .height = wlr_output->height },
.color = { .r = 1, .g = 1, .b = 0, .a = 1 },
});
}
pixman_region32_t transformed_damage;
pixman_region32_init(&transformed_damage);
pixman_region32_copy(&transformed_damage, damage);
transform_output_damage(&transformed_damage, wlr_output);
if (server.session_lock.locked) {
struct wlr_render_color clear_color = {
.a = 1.0f
};
if (server.session_lock.lock == NULL) {
// abandoned lock -> red BG
clear_color.r = 1.f;
}
wlr_render_pass_add_rect(ctx->pass, &(struct wlr_render_rect_options){
.box = { .width = wlr_output->width, .height = wlr_output->height },
.color = clear_color,
.clip = &transformed_damage,
});
if (server.session_lock.lock != NULL) {
struct render_data data = {
.alpha = 1.0f,
.ctx = ctx,
};
struct wlr_session_lock_surface_v1 *lock_surface;
wl_list_for_each(lock_surface, &server.session_lock.lock->surfaces, link) {
if (lock_surface->output != wlr_output) {
continue;
}
if (!lock_surface->surface->mapped) {
continue;
}
output_surface_for_each_surface(output, lock_surface->surface,
0.0, 0.0, render_surface_iterator, &data);
}
}
goto renderer_end;
}
if (output_has_opaque_overlay_layer_surface(output)) {
goto render_overlay;
}
if (fullscreen_con) {
wlr_render_pass_add_rect(ctx->pass, &(struct wlr_render_rect_options){
.box = { .width = wlr_output->width, .height = wlr_output->height },
.color = { .r = 0, .g = 0, .b = 0, .a = 1 },
.clip = &transformed_damage,
});
if (fullscreen_con->view) {
if (!wl_list_empty(&fullscreen_con->view->saved_buffers)) {
render_saved_view(ctx, fullscreen_con->view, 1.0f);
} else if (fullscreen_con->view->surface) {
render_view_toplevels(ctx, fullscreen_con->view, 1.0f);
}
} else {
render_container(ctx, fullscreen_con,
fullscreen_con->current.focused);
}
for (int i = 0; i < workspace->current.floating->length; ++i) {
struct sway_container *floater =
workspace->current.floating->items[i];
if (container_is_transient_for(floater, fullscreen_con)) {
render_floating_container(ctx, floater);
}
}
#if HAVE_XWAYLAND
render_unmanaged(ctx, &root->xwayland_unmanaged);
#endif
} else {
wlr_render_pass_add_rect(ctx->pass, &(struct wlr_render_rect_options){
.box = { .width = wlr_output->width, .height = wlr_output->height },
.color = { .r = 0.25f, .g = 0.25f, .b = 0.25f, .a = 1 },
.clip = &transformed_damage,
});
render_layer_toplevel(ctx,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND]);
render_layer_toplevel(ctx,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM]);
render_workspace(ctx, workspace, workspace->current.focused);
render_floating(ctx);
#if HAVE_XWAYLAND
render_unmanaged(ctx, &root->xwayland_unmanaged);
#endif
render_layer_toplevel(ctx,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP]);
render_layer_popups(ctx,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND]);
render_layer_popups(ctx,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM]);
render_layer_popups(ctx,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP]);
}
render_seatops(ctx);
struct sway_seat *seat = input_manager_current_seat();
struct sway_container *focus = seat_get_focused_container(seat);
if (focus && focus->view) {
render_view_popups(ctx, focus->view, focus->alpha);
}
render_overlay:
render_layer_toplevel(ctx,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY]);
render_layer_popups(ctx,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY]);
render_drag_icons(ctx, &root->drag_icons);
renderer_end:
pixman_region32_fini(&transformed_damage);
wlr_output_add_software_cursors_to_render_pass(wlr_output, ctx->pass, damage);
}