You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
276 lines
8.9 KiB
276 lines
8.9 KiB
#define _POSIX_C_SOURCE 200809L
|
|
#include <limits.h>
|
|
#include <stdlib.h>
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
#include <wlr/util/log.h>
|
|
#include "cairo.h"
|
|
#include "pango.h"
|
|
#include "pool-buffer.h"
|
|
#include "swaybar/bar.h"
|
|
#include "swaybar/config.h"
|
|
#include "swaybar/ipc.h"
|
|
#include "swaybar/render.h"
|
|
#include "swaybar/status_line.h"
|
|
#include "wlr-layer-shell-unstable-v1-client-protocol.h"
|
|
|
|
static const int ws_horizontal_padding = 5;
|
|
static const double ws_vertical_padding = 1.5;
|
|
static const double border_width = 1;
|
|
|
|
static uint32_t render_status_line_text(cairo_t *cairo,
|
|
struct swaybar_config *config, struct status_line *status,
|
|
bool focused, uint32_t width, uint32_t height) {
|
|
if (!status->text) {
|
|
return 0;
|
|
}
|
|
cairo_set_source_u32(cairo, focused ?
|
|
config->colors.focused_statusline : config->colors.statusline);
|
|
static const int margin = 3;
|
|
int text_width, text_height;
|
|
get_text_size(cairo, config->font, &text_width, &text_height,
|
|
1, config->pango_markup, "%s", status->text);
|
|
uint32_t ideal_height = text_height + ws_vertical_padding * 2;
|
|
if (height < ideal_height) {
|
|
return ideal_height;
|
|
}
|
|
double text_y = height / 2.0 - text_height / 2.0;
|
|
cairo_move_to(cairo, width - text_width - margin, (int)floor(text_y));
|
|
pango_printf(cairo, config->font, 1, config->pango_markup,
|
|
"%s", status->text);
|
|
return ideal_height;
|
|
}
|
|
|
|
static uint32_t render_status_line_i3bar(cairo_t *cairo,
|
|
struct swaybar_config *config, struct status_line *status,
|
|
bool focused, uint32_t width, uint32_t height) {
|
|
// TODO
|
|
return 0;
|
|
}
|
|
|
|
static uint32_t render_status_line(cairo_t *cairo,
|
|
struct swaybar_config *config, struct status_line *status,
|
|
bool focused, uint32_t width, uint32_t height) {
|
|
switch (status->protocol) {
|
|
case PROTOCOL_TEXT:
|
|
return render_status_line_text(cairo,
|
|
config, status, focused, width, height);
|
|
case PROTOCOL_I3BAR:
|
|
return render_status_line_i3bar(cairo,
|
|
config, status, focused, width, height);
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static uint32_t render_binding_mode_indicator(cairo_t *cairo,
|
|
struct swaybar_config *config, const char *mode, double x,
|
|
uint32_t height) {
|
|
int text_width, text_height;
|
|
get_text_size(cairo, config->font, &text_width, &text_height,
|
|
1, true, "%s", mode);
|
|
uint32_t ideal_height = text_height + ws_vertical_padding * 2
|
|
+ border_width * 2;
|
|
if (height < ideal_height) {
|
|
return ideal_height;
|
|
}
|
|
uint32_t width = text_width + ws_horizontal_padding * 2 + border_width * 2;
|
|
|
|
cairo_set_source_u32(cairo, config->colors.binding_mode.background);
|
|
cairo_rectangle(cairo, x, 0, width, height);
|
|
cairo_fill(cairo);
|
|
|
|
cairo_set_source_u32(cairo, config->colors.binding_mode.border);
|
|
cairo_rectangle(cairo, x, 0, width, border_width);
|
|
cairo_fill(cairo);
|
|
cairo_rectangle(cairo, x, 0, border_width, height);
|
|
cairo_fill(cairo);
|
|
cairo_rectangle(cairo, x + width - border_width, 0, border_width, height);
|
|
cairo_fill(cairo);
|
|
cairo_rectangle(cairo, x, height - border_width, width, border_width);
|
|
cairo_fill(cairo);
|
|
|
|
double text_y = height / 2.0 - text_height / 2.0;
|
|
cairo_set_source_u32(cairo, config->colors.binding_mode.text);
|
|
cairo_move_to(cairo, x + width / 2 - text_width / 2, (int)floor(text_y));
|
|
pango_printf(cairo, config->font, 1, true, "%s", mode);
|
|
return ideal_height;
|
|
}
|
|
|
|
static const char *strip_workspace_number(const char *ws_name) {
|
|
size_t len = strlen(ws_name);
|
|
for (size_t i = 0; i < len; ++i) {
|
|
if (ws_name[i] < '0' || ws_name[i] > '9') {
|
|
if (':' == ws_name[i] && i < len - 1 && i > 0) {
|
|
return ws_name + i + 1;
|
|
}
|
|
return ws_name;
|
|
}
|
|
}
|
|
return ws_name;
|
|
}
|
|
|
|
static void workspace_hotspot_callback(struct swaybar_output *output,
|
|
int x, int y, uint32_t button, void *data) {
|
|
ipc_send_workspace_command(output->bar, (const char *)data);
|
|
}
|
|
|
|
static uint32_t render_workspace_button(cairo_t *cairo,
|
|
struct swaybar_output *output, struct swaybar_config *config,
|
|
struct swaybar_workspace *ws, double *x, uint32_t height) {
|
|
const char *name = ws->name;
|
|
if (config->strip_workspace_numbers) {
|
|
name = strip_workspace_number(ws->name);
|
|
}
|
|
|
|
struct box_colors box_colors;
|
|
if (ws->urgent) {
|
|
box_colors = config->colors.urgent_workspace;
|
|
} else if (ws->focused) {
|
|
box_colors = config->colors.focused_workspace;
|
|
} else if (ws->visible) {
|
|
box_colors = config->colors.active_workspace;
|
|
} else {
|
|
box_colors = config->colors.inactive_workspace;
|
|
}
|
|
|
|
int text_width, text_height;
|
|
get_text_size(cairo, config->font, &text_width, &text_height,
|
|
1, true, "%s", name);
|
|
uint32_t ideal_height = ws_vertical_padding * 2 + text_height
|
|
+ border_width * 2;
|
|
if (height < ideal_height) {
|
|
return ideal_height;
|
|
}
|
|
uint32_t width = ws_horizontal_padding * 2 + text_width + border_width * 2;
|
|
|
|
cairo_set_source_u32(cairo, box_colors.background);
|
|
cairo_rectangle(cairo, *x, 0, width, height);
|
|
cairo_fill(cairo);
|
|
|
|
cairo_set_source_u32(cairo, box_colors.border);
|
|
cairo_rectangle(cairo, *x, 0, width, border_width);
|
|
cairo_fill(cairo);
|
|
cairo_rectangle(cairo, *x, 0, border_width, height);
|
|
cairo_fill(cairo);
|
|
cairo_rectangle(cairo, *x + width - border_width, 0, border_width, height);
|
|
cairo_fill(cairo);
|
|
cairo_rectangle(cairo, *x, height - border_width, width, border_width);
|
|
cairo_fill(cairo);
|
|
|
|
double text_y = height / 2.0 - text_height / 2.0;
|
|
cairo_set_source_u32(cairo, box_colors.text);
|
|
cairo_move_to(cairo, *x + width / 2 - text_width / 2, (int)floor(text_y));
|
|
pango_printf(cairo, config->font, 1, true, "%s", name);
|
|
|
|
struct swaybar_hotspot *hotspot = calloc(1, sizeof(struct swaybar_hotspot));
|
|
hotspot->x = *x;
|
|
hotspot->y = 0;
|
|
hotspot->height = height;
|
|
hotspot->width = width;
|
|
hotspot->callback = workspace_hotspot_callback;
|
|
hotspot->destroy = free;
|
|
hotspot->data = strdup(name);
|
|
wl_list_insert(&output->hotspots, &hotspot->link);
|
|
|
|
*x += width;
|
|
return height;
|
|
}
|
|
|
|
static uint32_t render_to_cairo(cairo_t *cairo,
|
|
struct swaybar *bar, struct swaybar_output *output) {
|
|
struct swaybar_config *config = bar->config;
|
|
|
|
cairo_set_operator(cairo, CAIRO_OPERATOR_SOURCE);
|
|
if (output->focused) {
|
|
cairo_set_source_u32(cairo, config->colors.focused_background);
|
|
} else {
|
|
cairo_set_source_u32(cairo, config->colors.background);
|
|
}
|
|
cairo_paint(cairo);
|
|
|
|
uint32_t max_height = 0;
|
|
/*
|
|
* Each render_* function takes the actual height of the bar, and returns
|
|
* the ideal height. If the actual height is too short, the render function
|
|
* can do whatever it wants - the buffer won't be committed. If the actual
|
|
* height is too tall, the render function should adapt its drawing to
|
|
* utilize the available space.
|
|
*/
|
|
double x = 0;
|
|
if (config->workspace_buttons) {
|
|
struct swaybar_workspace *ws;
|
|
wl_list_for_each_reverse(ws, &output->workspaces, link) {
|
|
uint32_t h = render_workspace_button(cairo,
|
|
output, config, ws, &x, output->height);
|
|
max_height = h > max_height ? h : max_height;
|
|
}
|
|
}
|
|
if (config->binding_mode_indicator && config->mode) {
|
|
uint32_t h = render_binding_mode_indicator(
|
|
cairo, config, config->mode, x, output->height);
|
|
max_height = h > max_height ? h : max_height;
|
|
}
|
|
if (bar->status) {
|
|
uint32_t h = render_status_line(cairo, config, bar->status,
|
|
output->focused, output->width, output->height);
|
|
max_height = h > max_height ? h : max_height;
|
|
}
|
|
|
|
return max_height > output->height ? max_height : output->height;
|
|
}
|
|
|
|
void render_frame(struct swaybar *bar, struct swaybar_output *output) {
|
|
struct swaybar_hotspot *hotspot, *tmp;
|
|
wl_list_for_each_safe(hotspot, tmp, &output->hotspots, link) {
|
|
if (hotspot->destroy) {
|
|
hotspot->destroy(hotspot->data);
|
|
}
|
|
wl_list_remove(&hotspot->link);
|
|
free(hotspot);
|
|
}
|
|
|
|
cairo_surface_t *recorder = cairo_recording_surface_create(
|
|
CAIRO_CONTENT_COLOR_ALPHA, NULL);
|
|
cairo_t *cairo = cairo_create(recorder);
|
|
cairo_save(cairo);
|
|
cairo_set_operator(cairo, CAIRO_OPERATOR_CLEAR);
|
|
cairo_paint(cairo);
|
|
cairo_restore(cairo);
|
|
uint32_t height = render_to_cairo(cairo, bar, output);
|
|
if (bar->config->height >= 0 && height < (uint32_t)bar->config->height) {
|
|
height = bar->config->height;
|
|
}
|
|
if (height != output->height) {
|
|
// Reconfigure surface
|
|
zwlr_layer_surface_v1_set_size(
|
|
output->layer_surface, 0, height);
|
|
zwlr_layer_surface_v1_set_exclusive_zone(output->layer_surface, height);
|
|
// TODO: this could infinite loop if the compositor assigns us a
|
|
// different height than what we asked for
|
|
wl_surface_commit(output->surface);
|
|
wl_display_roundtrip(bar->display);
|
|
} else {
|
|
// Replay recording into shm and send it off
|
|
output->current_buffer = get_next_buffer(bar->shm,
|
|
output->buffers, output->width, output->height);
|
|
cairo_t *shm = output->current_buffer->cairo;
|
|
|
|
cairo_save(shm);
|
|
cairo_set_operator(shm, CAIRO_OPERATOR_CLEAR);
|
|
cairo_paint(shm);
|
|
cairo_restore(shm);
|
|
|
|
cairo_set_source_surface(shm, recorder, 0.0, 0.0);
|
|
cairo_paint(shm);
|
|
|
|
wl_surface_attach(output->surface,
|
|
output->current_buffer->buffer, 0, 0);
|
|
wl_surface_damage(output->surface, 0, 0, output->width, output->height);
|
|
wl_surface_commit(output->surface);
|
|
wl_display_roundtrip(bar->display);
|
|
}
|
|
cairo_surface_destroy(recorder);
|
|
cairo_destroy(cairo);
|
|
}
|