mirror of
https://github.com/swaywm/sway.git
synced 2026-03-05 01:40:55 -05:00
Start port of swaybar to layer shell
This starts up the event loop and wayland display and shims out the basic top level rendering concepts. Also includes some changes to incorporate pango into the 1.x codebase properly.
This commit is contained in:
Drew DeVault
parent
382e8af418
commit
cab1352801
23 changed files with 345 additions and 3787 deletions
384
swaybar/render.c
384
swaybar/render.c
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@ -1,367 +1,63 @@
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include "client/cairo.h"
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#include "client/pango.h"
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#include "client/window.h"
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#include <wlr/util/log.h>
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#include "cairo.h"
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#include "pango.h"
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#include "pool-buffer.h"
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#include "swaybar/bar.h"
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#include "swaybar/config.h"
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#include "swaybar/status_line.h"
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#include "swaybar/render.h"
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#ifdef ENABLE_TRAY
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#include "swaybar/tray/tray.h"
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#include "swaybar/tray/sni.h"
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#endif
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#include "log.h"
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#include "wlr-layer-shell-unstable-v1-client-protocol.h"
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static uint32_t render_to_cairo(cairo_t *cairo, struct swaybar *bar,
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struct swaybar_output *output) {
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struct swaybar_config *config = bar->config;
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/* internal spacing */
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static int margin = 3;
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static int ws_horizontal_padding = 5;
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static double ws_vertical_padding = 1.5;
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static int ws_spacing = 1;
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/**
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* Renders a sharp line of any width and height.
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*
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* The line is drawn from (x,y) to (x+width,y+height) where width/height is 0
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* if the line has a width/height of one pixel, respectively.
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*/
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static void render_sharp_line(cairo_t *cairo, uint32_t color, double x, double y, double width, double height) {
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cairo_set_source_u32(cairo, color);
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if (width > 1 && height > 1) {
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cairo_rectangle(cairo, x, y, width, height);
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cairo_fill(cairo);
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} else {
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if (width == 1) {
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x += 0.5;
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height += y;
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width = x;
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}
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if (height == 1) {
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y += 0.5;
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width += x;
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height = y;
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}
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cairo_move_to(cairo, x, y);
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cairo_set_line_width(cairo, 1.0);
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cairo_line_to(cairo, width, height);
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cairo_stroke(cairo);
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}
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}
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static void render_block(struct window *window, struct config *config, struct status_block *block, double *x, bool edge, bool is_focused) {
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int width, height, sep_width;
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get_text_size(window->cairo, window->font, &width, &height,
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window->scale, block->markup, "%s", block->full_text);
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int textwidth = width;
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double block_width = width;
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if (width < block->min_width) {
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width = block->min_width;
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}
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*x -= width;
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if (block->border != 0 && block->border_left > 0) {
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*x -= (block->border_left + margin);
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block_width += block->border_left + margin;
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}
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if (block->border != 0 && block->border_right > 0) {
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*x -= (block->border_right + margin);
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block_width += block->border_right + margin;
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}
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// Add separator
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if (!edge) {
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if (config->sep_symbol) {
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get_text_size(window->cairo, window->font, &sep_width, &height,
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window->scale, false, "%s", config->sep_symbol);
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if (sep_width > block->separator_block_width) {
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block->separator_block_width = sep_width + margin * 2;
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}
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}
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*x -= block->separator_block_width;
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} else {
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*x -= margin;
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}
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double pos = *x;
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block->x = (int)pos;
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block->width = (int)block_width;
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// render background
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if (block->background != 0x0) {
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cairo_set_source_u32(window->cairo, block->background);
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cairo_rectangle(window->cairo, pos - 0.5, 1, block_width, (window->height * window->scale) - 2);
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cairo_fill(window->cairo);
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}
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// render top border
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if (block->border != 0 && block->border_top > 0) {
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render_sharp_line(window->cairo, block->border,
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pos - 0.5,
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1,
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block_width,
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block->border_top);
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}
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// render bottom border
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if (block->border != 0 && block->border_bottom > 0) {
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render_sharp_line(window->cairo, block->border,
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pos - 0.5,
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(window->height * window->scale) - 1 - block->border_bottom,
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block_width,
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block->border_bottom);
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}
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// render left border
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if (block->border != 0 && block->border_left > 0) {
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render_sharp_line(window->cairo, block->border,
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pos - 0.5,
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1,
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block->border_left,
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(window->height * window->scale) - 2);
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pos += block->border_left + margin;
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}
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// render text
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double offset = 0;
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if (strncmp(block->align, "left", 5) == 0) {
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offset = pos;
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} else if (strncmp(block->align, "right", 5) == 0) {
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offset = pos + width - textwidth;
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} else if (strncmp(block->align, "center", 6) == 0) {
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offset = pos + (width - textwidth) / 2;
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}
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cairo_move_to(window->cairo, offset, margin);
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cairo_set_source_u32(window->cairo, block->color);
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pango_printf(window->cairo, window->font, window->scale,
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block->markup, "%s", block->full_text);
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pos += width;
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// render right border
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if (block->border != 0 && block->border_right > 0) {
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pos += margin;
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render_sharp_line(window->cairo, block->border,
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pos - 0.5,
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1,
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block->border_right,
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(window->height * window->scale) - 2);
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pos += block->border_right;
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}
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// render separator
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if (!edge && block->separator) {
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if (is_focused) {
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cairo_set_source_u32(window->cairo, config->colors.focused_separator);
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} else {
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cairo_set_source_u32(window->cairo, config->colors.separator);
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}
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if (config->sep_symbol) {
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offset = pos + (block->separator_block_width - sep_width) / 2;
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cairo_move_to(window->cairo, offset, margin);
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pango_printf(window->cairo, window->font, window->scale,
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false, "%s", config->sep_symbol);
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} else {
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cairo_set_line_width(window->cairo, 1);
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cairo_move_to(window->cairo, pos + block->separator_block_width/2,
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margin);
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cairo_line_to(window->cairo, pos + block->separator_block_width/2,
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(window->height * window->scale) - margin);
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cairo_stroke(window->cairo);
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}
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}
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}
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static const char *strip_workspace_name(bool strip_num, const char *ws_name) {
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bool strip = false;
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int i;
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if (strip_num) {
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int len = strlen(ws_name);
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for (i = 0; i < len; ++i) {
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if (!('0' <= ws_name[i] && ws_name[i] <= '9')) {
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if (':' == ws_name[i] && i < len-1 && i > 0) {
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strip = true;
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++i;
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}
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break;
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}
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}
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}
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if (strip) {
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return ws_name + i;
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}
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return ws_name;
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}
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void workspace_button_size(struct window *window, const char *workspace_name, int *width, int *height) {
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const char *stripped_name = strip_workspace_name(swaybar.config->strip_workspace_numbers, workspace_name);
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get_text_size(window->cairo, window->font, width, height,
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window->scale, true, "%s", stripped_name);
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*width += 2 * ws_horizontal_padding;
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*height += 2 * ws_vertical_padding;
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}
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static void render_workspace_button(struct window *window, struct config *config, struct workspace *ws, double *x) {
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const char *stripped_name = strip_workspace_name(config->strip_workspace_numbers, ws->name);
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struct box_colors box_colors;
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if (ws->urgent) {
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box_colors = config->colors.urgent_workspace;
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} else if (ws->focused) {
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box_colors = config->colors.focused_workspace;
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} else if (ws->visible) {
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box_colors = config->colors.active_workspace;
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} else {
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box_colors = config->colors.inactive_workspace;
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}
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int width, height;
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workspace_button_size(window, stripped_name, &width, &height);
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// background
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cairo_set_source_u32(window->cairo, box_colors.background);
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cairo_rectangle(window->cairo, *x, 1.5, width - 1, height);
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cairo_fill(window->cairo);
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// border
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cairo_set_source_u32(window->cairo, box_colors.border);
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cairo_rectangle(window->cairo, *x, 1.5, width - 1, height);
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cairo_stroke(window->cairo);
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// text
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cairo_set_source_u32(window->cairo, box_colors.text);
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cairo_move_to(window->cairo, (int)*x + ws_horizontal_padding, margin);
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pango_printf(window->cairo, window->font, window->scale,
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true, "%s", stripped_name);
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*x += width + ws_spacing;
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}
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static void render_binding_mode_indicator(struct window *window, struct config *config, double pos) {
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int width, height;
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get_text_size(window->cairo, window->font, &width, &height,
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window->scale, false, "%s", config->mode);
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// background
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cairo_set_source_u32(window->cairo, config->colors.binding_mode.background);
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cairo_rectangle(window->cairo, pos, 1.5, width + ws_horizontal_padding * 2 - 1,
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height + ws_vertical_padding * 2);
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cairo_fill(window->cairo);
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// border
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cairo_set_source_u32(window->cairo, config->colors.binding_mode.border);
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cairo_rectangle(window->cairo, pos, 1.5, width + ws_horizontal_padding * 2 - 1,
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height + ws_vertical_padding * 2);
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cairo_stroke(window->cairo);
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// text
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cairo_set_source_u32(window->cairo, config->colors.binding_mode.text);
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cairo_move_to(window->cairo, (int)pos + ws_horizontal_padding, margin);
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pango_printf(window->cairo, window->font, window->scale,
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false, "%s", config->mode);
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}
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void render(struct output *output, struct config *config, struct status_line *line) {
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int i;
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struct window *window = output->window;
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cairo_t *cairo = window->cairo;
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bool is_focused = output->focused;
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// Clear
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cairo_save(cairo);
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cairo_set_operator(cairo, CAIRO_OPERATOR_CLEAR);
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cairo_paint(cairo);
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cairo_restore(cairo);
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cairo_set_operator(cairo, CAIRO_OPERATOR_SOURCE);
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// Background
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if (is_focused) {
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if (output->focused) {
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cairo_set_source_u32(cairo, config->colors.focused_background);
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} else {
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cairo_set_source_u32(cairo, config->colors.background);
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}
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cairo_paint(cairo);
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#ifdef ENABLE_TRAY
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uint32_t tray_width = tray_render(output, config);
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#else
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const uint32_t tray_width = window->width * window->scale;
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#endif
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// TODO: use actual height
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return 20;
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}
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// Command output
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if (is_focused) {
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cairo_set_source_u32(cairo, config->colors.focused_statusline);
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void render_frame(struct swaybar *bar,
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struct swaybar_output *output) {
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cairo_surface_t *recorder = cairo_recording_surface_create(
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CAIRO_CONTENT_COLOR_ALPHA, NULL);
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cairo_t *cairo = cairo_create(recorder);
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uint32_t height = render_to_cairo(cairo, bar, output);
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if (height != output->height) {
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// Reconfigure surface
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zwlr_layer_surface_v1_set_size(
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output->layer_surface, 0, height);
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// TODO: this could infinite loop if the compositor assigns us a
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// different height than what we asked for
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wl_surface_commit(output->surface);
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wl_display_roundtrip(bar->display);
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} else {
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cairo_set_source_u32(cairo, config->colors.statusline);
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}
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int width, height;
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if (line->protocol == TEXT) {
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get_text_size(window->cairo, window->font, &width, &height,
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window->scale, config->pango_markup, "%s", line->text_line);
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cairo_move_to(cairo, tray_width - margin - width, margin);
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pango_printf(window->cairo, window->font, window->scale,
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config->pango_markup, "%s", line->text_line);
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} else if (line->protocol == I3BAR && line->block_line) {
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double pos = tray_width - 0.5;
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bool edge = true;
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for (i = line->block_line->length - 1; i >= 0; --i) {
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struct status_block *block = line->block_line->items[i];
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if (block->full_text && block->full_text[0]) {
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render_block(window, config, block, &pos, edge, is_focused);
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edge = false;
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}
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}
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}
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cairo_set_line_width(cairo, 1.0);
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double x = 0.5;
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// Workspaces
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if (config->workspace_buttons) {
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for (i = 0; i < output->workspaces->length; ++i) {
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struct workspace *ws = output->workspaces->items[i];
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render_workspace_button(window, config, ws, &x);
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}
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}
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// binding mode indicator
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if (config->mode && config->binding_mode_indicator) {
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render_binding_mode_indicator(window, config, x);
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// Replay recording into shm and send it off
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output->current_buffer = get_next_buffer(bar->shm,
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output->buffers, output->width, output->height);
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cairo_t *shm = output->current_buffer->cairo;
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cairo_set_source_surface(shm, recorder, 0.0, 0.0);
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cairo_paint(shm);
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wl_surface_attach(output->surface,
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output->current_buffer->buffer, 0, 0);
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wl_surface_damage(output->surface, 0, 0, output->width, output->height);
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wl_surface_commit(output->surface);
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wl_display_roundtrip(bar->display);
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}
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}
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void set_window_height(struct window *window, int height) {
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int text_width, text_height;
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get_text_size(window->cairo, window->font,
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&text_width, &text_height, window->scale, false,
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"Test string for measuring purposes");
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if (height > 0) {
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margin = (height - text_height) / 2;
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ws_vertical_padding = margin - 1.5;
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}
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window->height = (text_height + margin * 2) / window->scale;
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cairo_surface_destroy(recorder);
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cairo_destroy(cairo);
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}
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