Brian Ashworth
6 years ago
parent
abf33468c1
commit
88bc4b528e
@ -0,0 +1,88 @@
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#ifndef _SWAY_NAGBAR_NAGBAR_H
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#define _SWAY_NAGBAR_NAGNAR_H
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#include <stdint.h>
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#include "list.h"
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#include "pool-buffer.h"
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#include "xdg-output-unstable-v1-client-protocol.h"
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#define NAGBAR_BAR_BORDER_THICKNESS 2
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#define NAGBAR_MESSAGE_PADDING 8
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#define NAGBAR_BUTTON_BORDER_THICKNESS 3
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#define NAGBAR_BUTTON_GAP 20
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#define NAGBAR_BUTTON_GAP_CLOSE 15
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#define NAGBAR_BUTTON_MARGIN_RIGHT 2
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#define NAGBAR_BUTTON_PADDING 3
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enum sway_nagbar_type {
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NAGBAR_ERROR,
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NAGBAR_WARNING,
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};
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struct sway_nagbar_colors {
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uint32_t button_background;
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uint32_t background;
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uint32_t text;
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uint32_t border;
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uint32_t border_bottom;
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};
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struct sway_nagbar_pointer {
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struct wl_pointer *pointer;
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struct wl_cursor_theme *cursor_theme;
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struct wl_cursor_image *cursor_image;
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struct wl_surface *cursor_surface;
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int x;
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int y;
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};
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struct sway_nagbar_output {
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char *name;
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struct wl_output *wl_output;
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uint32_t wl_name;
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};
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struct sway_nagbar_button {
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char *text;
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char *action;
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int x;
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int y;
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int width;
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int height;
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};
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struct sway_nagbar {
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bool run_display;
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int querying_outputs;
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struct wl_display *display;
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struct wl_compositor *compositor;
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struct wl_seat *seat;
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struct wl_shm *shm;
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struct sway_nagbar_pointer pointer;
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struct zxdg_output_manager_v1 *xdg_output_manager;
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struct sway_nagbar_output output;
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struct zwlr_layer_shell_v1 *layer_shell;
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struct zwlr_layer_surface_v1 *layer_surface;
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struct wl_surface *surface;
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uint32_t width;
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uint32_t height;
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int32_t scale;
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struct pool_buffer buffers[2];
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struct pool_buffer *current_buffer;
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enum sway_nagbar_type type;
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struct sway_nagbar_colors colors;
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uint32_t anchors;
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char *message;
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char *font;
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list_t *buttons;
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};
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void nagbar_setup(struct sway_nagbar *nagbar);
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void nagbar_run(struct sway_nagbar *nagbar);
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void nagbar_destroy(struct sway_nagbar *nagbar);
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#endif
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@ -0,0 +1,6 @@
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#ifndef _SWAY_NAGBAR_RENDER_H
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#define _SWAY_NAGBAR_RENDER_H
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void render_frame(struct sway_nagbar *nagbar);
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#endif
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@ -0,0 +1,184 @@
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#define _XOPEN_SOURCE 500
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#include <getopt.h>
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#include <signal.h>
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#include "log.h"
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#include "list.h"
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#include "swaynagbar/nagbar.h"
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#include "wlr-layer-shell-unstable-v1-client-protocol.h"
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static struct sway_nagbar nagbar;
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void sig_handler(int signal) {
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nagbar_destroy(&nagbar);
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exit(EXIT_FAILURE);
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}
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void sway_terminate(int code) {
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nagbar_destroy(&nagbar);
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exit(code);
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}
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static void set_nagbar_colors() {
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if (nagbar.type == NAGBAR_ERROR) {
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nagbar.colors.button_background = 0x680A0AFF;
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nagbar.colors.background = 0x900000FF;
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nagbar.colors.text = 0xFFFFFFFF;
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nagbar.colors.border = 0xD92424FF;
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nagbar.colors.border_bottom = 0x470909FF;
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} else if (nagbar.type == NAGBAR_WARNING) {
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nagbar.colors.button_background = 0xFFC100FF;
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nagbar.colors.background = 0xFFA800FF;
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nagbar.colors.text = 0x000000FF;
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nagbar.colors.border = 0xAB7100FF;
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nagbar.colors.border_bottom = 0xAB7100FF;
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}
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}
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int main(int argc, char **argv) {
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int exit_code = EXIT_SUCCESS;
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bool debug = false;
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memset(&nagbar, 0, sizeof(nagbar));
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nagbar.anchors = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP
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| ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT
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| ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
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nagbar.type = NAGBAR_ERROR;
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set_nagbar_colors();
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nagbar.font = strdup("pango:monospace 8");
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nagbar.buttons = create_list();
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struct sway_nagbar_button *button_close =
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calloc(sizeof(struct sway_nagbar_button), 1);
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button_close->text = strdup("X");
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button_close->action = NULL;
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list_add(nagbar.buttons, button_close);
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static struct option long_options[] = {
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{"button", required_argument, NULL, 'b'},
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{"debug", no_argument, NULL, 'd'},
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{"edge", required_argument, NULL, 'e'},
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{"font", required_argument, NULL, 'f'},
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{"help", no_argument, NULL, 'h'},
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{"message", required_argument, NULL, 'm'},
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{"output", required_argument, NULL, 'o'},
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{"type", required_argument, NULL, 't'},
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{"version", no_argument, NULL, 'v'},
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{0, 0, 0, 0}
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};
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const char *usage =
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"Usage: swaynagbar [options...]\n"
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"\n"
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" -b, --button <text> <action> Create a button with text that "
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"executes action when pressed. Multiple buttons can be defined.\n"
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" -d, --debug Enable debugging.\n"
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" -e, --edge top|bottom Set the edge to use.\n"
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" -f, --font <font> Set the font to use.\n"
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" -h, --help Show help message and quit.\n"
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" -m, --message <msg> Set the message text.\n"
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" -o, --output <output> Set the output to use.\n"
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" -t, --type error|warning Set the message type.\n"
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" -v, --version Show the version number and quit.\n";
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while (1) {
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int c = getopt_long(argc, argv, "b:de:f:hm:o:t:v", long_options, NULL);
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if (c == -1) {
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break;
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}
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switch (c) {
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case 'b': // Button
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if (optind >= argc) {
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fprintf(stderr, "Missing action for button %s", optarg);
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exit_code = EXIT_FAILURE;
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goto cleanup;
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}
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struct sway_nagbar_button *button;
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button = calloc(sizeof(struct sway_nagbar_button), 1);
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button->text = strdup(optarg);
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button->action = strdup(argv[optind]);
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optind++;
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list_add(nagbar.buttons, button);
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break;
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case 'd': // Debug
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debug = true;
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break;
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case 'e': // Edge
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if (strcmp(optarg, "top") == 0) {
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nagbar.anchors = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP
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| ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT
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| ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
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} else if (strcmp(optarg, "bottom") == 0) {
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nagbar.anchors = ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM
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| ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT
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| ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
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} else {
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fprintf(stderr, "Invalid edge: %s\n", optarg);
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exit_code = EXIT_FAILURE;
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goto cleanup;
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}
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break;
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case 'f': // Font
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free(nagbar.font);
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nagbar.font = strdup(optarg);
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break;
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case 'm': // Message
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free(nagbar.message);
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nagbar.message = strdup(optarg);
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break;
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case 'o': // Output
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free(nagbar.output.name);
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nagbar.output.name = strdup(optarg);
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break;
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case 't': // Type
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if (strcmp(optarg, "error") == 0) {
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nagbar.type = NAGBAR_ERROR;
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} else if (strcmp(optarg, "warning") == 0) {
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nagbar.type = NAGBAR_WARNING;
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} else {
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fprintf(stderr, "Type must be either 'error' or 'warning'");
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exit_code = EXIT_FAILURE;
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goto cleanup;
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}
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set_nagbar_colors();
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break;
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case 'v': // Version
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fprintf(stdout, "sway version " SWAY_VERSION "\n");
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exit_code = EXIT_SUCCESS;
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goto cleanup;
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default: // Help or unknown flag
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fprintf(c == 'h' ? stdout : stderr, "%s", usage);
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exit_code = c == 'h' ? EXIT_SUCCESS : EXIT_FAILURE;
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goto cleanup;
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}
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}
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wlr_log_init(debug ? WLR_DEBUG : WLR_ERROR, NULL);
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if (!nagbar.message) {
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wlr_log(WLR_ERROR, "No message passed. Please provide --message/-m");
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exit_code = EXIT_FAILURE;
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goto cleanup;
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}
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wlr_log(WLR_DEBUG, "Output: %s", nagbar.output.name);
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wlr_log(WLR_DEBUG, "Anchors: %d", nagbar.anchors);
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wlr_log(WLR_DEBUG, "Type: %d", nagbar.type);
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wlr_log(WLR_DEBUG, "Message: %s", nagbar.message);
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wlr_log(WLR_DEBUG, "Font: %s", nagbar.font);
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wlr_log(WLR_DEBUG, "Buttons");
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for (int i = 0; i < nagbar.buttons->length; i++) {
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struct sway_nagbar_button *button = nagbar.buttons->items[i];
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wlr_log(WLR_DEBUG, "\t[%s] `%s`", button->text, button->action);
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}
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signal(SIGTERM, sig_handler);
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nagbar_setup(&nagbar);
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nagbar_run(&nagbar);
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return exit_code;
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cleanup:
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nagbar_destroy(&nagbar);
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return exit_code;
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}
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@ -0,0 +1,20 @@
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executable(
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'swaynagbar', [
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'main.c',
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'nagbar.c',
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'render.c',
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],
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include_directories: [sway_inc],
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dependencies: [
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cairo,
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client_protos,
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gdk_pixbuf,
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pango,
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pangocairo,
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wayland_client,
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wayland_cursor,
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wlroots,
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],
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link_with: [lib_sway_common, lib_sway_client],
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install: true
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)
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@ -0,0 +1,364 @@
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#define _XOPEN_SOURCE 500
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#include <assert.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <wayland-client.h>
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#include <wayland-cursor.h>
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#include "log.h"
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#include "list.h"
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#include "swaynagbar/nagbar.h"
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#include "swaynagbar/render.h"
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#include "wlr-layer-shell-unstable-v1-client-protocol.h"
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static void nop() {
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// Intentionally left blank
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}
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static bool terminal_execute(char *terminal, char *command) {
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char fname[] = "/tmp/swaynagbarXXXXXX";
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FILE *tmp= fdopen(mkstemp(fname), "w");
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if (!tmp) {
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wlr_log(WLR_ERROR, "Failed to create temp script");
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return false;
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}
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wlr_log(WLR_DEBUG, "Created temp script: %s", fname);
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fprintf(tmp, "#!/bin/sh\nrm %s\n%s", fname, command);
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fclose(tmp);
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chmod(fname, S_IRUSR | S_IWUSR | S_IXUSR);
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char cmd[strlen(terminal) + strlen(" -e ") + strlen(fname) + 1];
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sprintf(cmd, "%s -e %s", terminal, fname);
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execl("/bin/sh", "/bin/sh", "-c", cmd, NULL);
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return true;
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}
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static void nagbar_button_execute(struct sway_nagbar *nagbar,
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struct sway_nagbar_button *button) {
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wlr_log(WLR_DEBUG, "Executing [%s]: %s", button->text, button->action);
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if (!button->action) {
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nagbar->run_display = false;
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} else {
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if (fork() == 0) {
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// Child process. Will be used to prevent zombie processes
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setsid();
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if (fork() == 0) {
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// Child of the child. Will be reparented to the init process
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char *terminal = getenv("TERMINAL");
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if (terminal && strlen(terminal)) {
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wlr_log(WLR_DEBUG, "Found $TERMINAL: %s", terminal);
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if (!terminal_execute(terminal, button->action)) {
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nagbar_destroy(nagbar);
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exit(EXIT_FAILURE);
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}
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} else {
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wlr_log(WLR_DEBUG, "$TERMINAL not found. Running directly");
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execl("/bin/sh", "/bin/sh", "-c", button->action, NULL);
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}
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}
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exit(EXIT_SUCCESS);
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}
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}
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wait(0);
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}
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static void layer_surface_configure(void *data,
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struct zwlr_layer_surface_v1 *surface,
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uint32_t serial, uint32_t width, uint32_t height) {
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struct sway_nagbar *nagbar = data;
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nagbar->width = width;
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nagbar->height = height;
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zwlr_layer_surface_v1_ack_configure(surface, serial);
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render_frame(nagbar);
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}
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|
|
||||||
|
static void layer_surface_closed(void *data,
|
||||||
|
struct zwlr_layer_surface_v1 *surface) {
|
||||||
|
struct sway_nagbar *nagbar = data;
|
||||||
|
nagbar_destroy(nagbar);
|
||||||
|
}
|
||||||
|
|
||||||
|
static struct zwlr_layer_surface_v1_listener layer_surface_listener = {
|
||||||
|
.configure = layer_surface_configure,
|
||||||
|
.closed = layer_surface_closed,
|
||||||
|
};
|
||||||
|
|
||||||
|
static void wl_pointer_enter(void *data, struct wl_pointer *wl_pointer,
|
||||||
|
uint32_t serial, struct wl_surface *surface,
|
||||||
|
wl_fixed_t surface_x, wl_fixed_t surface_y) {
|
||||||
|
struct sway_nagbar *nagbar = data;
|
||||||
|
struct sway_nagbar_pointer *pointer = &nagbar->pointer;
|
||||||
|
wl_surface_set_buffer_scale(pointer->cursor_surface, nagbar->scale);
|
||||||
|
wl_surface_attach(pointer->cursor_surface,
|
||||||
|
wl_cursor_image_get_buffer(pointer->cursor_image), 0, 0);
|
||||||
|
wl_pointer_set_cursor(wl_pointer, serial, pointer->cursor_surface,
|
||||||
|
pointer->cursor_image->hotspot_x / nagbar->scale,
|
||||||
|
pointer->cursor_image->hotspot_y / nagbar->scale);
|
||||||
|
wl_surface_commit(pointer->cursor_surface);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void wl_pointer_motion(void *data, struct wl_pointer *wl_pointer,
|
||||||
|
uint32_t time, wl_fixed_t surface_x, wl_fixed_t surface_y) {
|
||||||
|
struct sway_nagbar *nagbar = data;
|
||||||
|
nagbar->pointer.x = wl_fixed_to_int(surface_x);
|
||||||
|
nagbar->pointer.y = wl_fixed_to_int(surface_y);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void wl_pointer_button(void *data, struct wl_pointer *wl_pointer,
|
||||||
|
uint32_t serial, uint32_t time, uint32_t button, uint32_t state) {
|
||||||
|
struct sway_nagbar *nagbar = data;
|
||||||
|
|
||||||
|
if (state != WL_POINTER_BUTTON_STATE_PRESSED) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
double x = nagbar->pointer.x * nagbar->scale;
|
||||||
|
double y = nagbar->pointer.y * nagbar->scale;
|
||||||
|
for (int i = 0; i < nagbar->buttons->length; i++) {
|
||||||
|
struct sway_nagbar_button *nagbutton = nagbar->buttons->items[i];
|
||||||
|
if (x >= nagbutton->x
|
||||||
|
&& y >= nagbutton->y
|
||||||
|
&& x < nagbutton->x + nagbutton->width
|
||||||
|
&& y < nagbutton->y + nagbutton->height) {
|
||||||
|
nagbar_button_execute(nagbar, nagbutton);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static struct wl_pointer_listener pointer_listener = {
|
||||||
|
.enter = wl_pointer_enter,
|
||||||
|
.leave = nop,
|
||||||
|
.motion = wl_pointer_motion,
|
||||||
|
.button = wl_pointer_button,
|
||||||
|
.axis = nop,
|
||||||
|
.frame = nop,
|
||||||
|
.axis_source = nop,
|
||||||
|
.axis_stop = nop,
|
||||||
|
.axis_discrete = nop,
|
||||||
|
};
|
||||||
|
|
||||||
|
static void seat_handle_capabilities(void *data, struct wl_seat *wl_seat,
|
||||||
|
enum wl_seat_capability caps) {
|
||||||
|
struct sway_nagbar *nagbar = data;
|
||||||
|
if ((caps & WL_SEAT_CAPABILITY_POINTER)) {
|
||||||
|
nagbar->pointer.pointer = wl_seat_get_pointer(wl_seat);
|
||||||
|
wl_pointer_add_listener(nagbar->pointer.pointer, &pointer_listener,
|
||||||
|
nagbar);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
const struct wl_seat_listener seat_listener = {
|
||||||
|
.capabilities = seat_handle_capabilities,
|
||||||
|
.name = nop,
|
||||||
|
};
|
||||||
|
|
||||||
|
static void output_scale(void *data, struct wl_output *output,
|
||||||
|
int32_t factor) {
|
||||||
|
struct sway_nagbar *nagbar = data;
|
||||||
|
nagbar->scale = factor;
|
||||||
|
render_frame(nagbar);
|
||||||
|
}
|
||||||
|
|
||||||
|
static struct wl_output_listener output_listener = {
|
||||||
|
.geometry = nop,
|
||||||
|
.mode = nop,
|
||||||
|
.done = nop,
|
||||||
|
.scale = output_scale,
|
||||||
|
};
|
||||||
|
|
||||||
|
struct output_state {
|
||||||
|
struct wl_output *wl_output;
|
||||||
|
uint32_t wl_name;
|
||||||
|
struct zxdg_output_v1 *xdg_output;
|
||||||
|
struct sway_nagbar *nagbar;
|
||||||
|
};
|
||||||
|
|
||||||
|
static void xdg_output_handle_name(void *data,
|
||||||
|
struct zxdg_output_v1 *xdg_output, const char *name) {
|
||||||
|
struct output_state *state = data;
|
||||||
|
char *outname = state->nagbar->output.name;
|
||||||
|
wlr_log(WLR_DEBUG, "Checking against output %s for %s", name, outname);
|
||||||
|
if ((!outname && !state->nagbar->output.wl_output)
|
||||||
|
|| (name && outname && strcmp(name, outname) == 0)) {
|
||||||
|
wlr_log(WLR_DEBUG, "Using output %s", name);
|
||||||
|
state->nagbar->output.wl_output = state->wl_output;
|
||||||
|
state->nagbar->output.wl_name = state->wl_name;
|
||||||
|
wl_output_add_listener(state->nagbar->output.wl_output,
|
||||||
|
&output_listener, state->nagbar);
|
||||||
|
wl_display_roundtrip(state->nagbar->display);
|
||||||
|
zxdg_output_v1_destroy(state->xdg_output);
|
||||||
|
} else {
|
||||||
|
zxdg_output_v1_destroy(state->xdg_output);
|
||||||
|
wl_output_destroy(state->wl_output);
|
||||||
|
}
|
||||||
|
state->nagbar->querying_outputs--;
|
||||||
|
free(state);
|
||||||
|
}
|
||||||
|
|
||||||
|
static struct zxdg_output_v1_listener xdg_output_listener = {
|
||||||
|
.logical_position = nop,
|
||||||
|
.logical_size = nop,
|
||||||
|
.done = nop,
|
||||||
|
.name = xdg_output_handle_name,
|
||||||
|
.description = nop,
|
||||||
|
};
|
||||||
|
|
||||||
|
static void handle_global(void *data, struct wl_registry *registry,
|
||||||
|
uint32_t name, const char *interface, uint32_t version) {
|
||||||
|
struct sway_nagbar *nagbar = data;
|
||||||
|
if (strcmp(interface, wl_compositor_interface.name) == 0) {
|
||||||
|
nagbar->compositor = wl_registry_bind(registry, name,
|
||||||
|
&wl_compositor_interface, 3);
|
||||||
|
} else if (strcmp(interface, wl_seat_interface.name) == 0) {
|
||||||
|
nagbar->seat = wl_registry_bind(registry, name, &wl_seat_interface, 1);
|
||||||
|
wl_seat_add_listener(nagbar->seat, &seat_listener, nagbar);
|
||||||
|
} else if (strcmp(interface, wl_shm_interface.name) == 0) {
|
||||||
|
nagbar->shm = wl_registry_bind(registry, name, &wl_shm_interface, 1);
|
||||||
|
} else if (strcmp(interface, wl_output_interface.name) == 0) {
|
||||||
|
if (!nagbar->output.wl_output && nagbar->xdg_output_manager) {
|
||||||
|
nagbar->querying_outputs++;
|
||||||
|
struct output_state *state =
|
||||||
|
calloc(1, sizeof(struct output_state));
|
||||||
|
state->nagbar = nagbar;
|
||||||
|
state->wl_output = wl_registry_bind(registry, name,
|
||||||
|
&wl_output_interface, 3);
|
||||||
|
state->wl_name = name;
|
||||||
|
state->xdg_output = zxdg_output_manager_v1_get_xdg_output(
|
||||||
|
nagbar->xdg_output_manager, state->wl_output);
|
||||||
|
zxdg_output_v1_add_listener(state->xdg_output,
|
||||||
|
&xdg_output_listener, state);
|
||||||
|
} else if (!nagbar->output.wl_output && !nagbar->xdg_output_manager) {
|
||||||
|
wlr_log(WLR_ERROR, "Warning: zxdg_output_manager_v1 not supported."
|
||||||
|
" Falling back to first detected output");
|
||||||
|
nagbar->output.wl_output = wl_registry_bind(registry, name,
|
||||||
|
&wl_output_interface, 3);
|
||||||
|
nagbar->output.wl_name = name;
|
||||||
|
wl_output_add_listener(nagbar->output.wl_output,
|
||||||
|
&output_listener, nagbar);
|
||||||
|
}
|
||||||
|
} else if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) {
|
||||||
|
nagbar->layer_shell = wl_registry_bind(
|
||||||
|
registry, name, &zwlr_layer_shell_v1_interface, 1);
|
||||||
|
} else if (strcmp(interface, zxdg_output_manager_v1_interface.name) == 0
|
||||||
|
&& version >= ZXDG_OUTPUT_V1_NAME_SINCE_VERSION) {
|
||||||
|
nagbar->xdg_output_manager = wl_registry_bind(registry, name,
|
||||||
|
&zxdg_output_manager_v1_interface,
|
||||||
|
ZXDG_OUTPUT_V1_NAME_SINCE_VERSION);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void handle_global_remove(void *data, struct wl_registry *registry,
|
||||||
|
uint32_t name) {
|
||||||
|
struct sway_nagbar *nagbar = data;
|
||||||
|
if (nagbar->output.wl_name == name) {
|
||||||
|
nagbar->run_display = false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static const struct wl_registry_listener registry_listener = {
|
||||||
|
.global = handle_global,
|
||||||
|
.global_remove = handle_global_remove,
|
||||||
|
};
|
||||||
|
|
||||||
|
void nagbar_setup(struct sway_nagbar *nagbar) {
|
||||||
|
nagbar->display = wl_display_connect(NULL);
|
||||||
|
assert(nagbar->display);
|
||||||
|
|
||||||
|
nagbar->scale = 1;
|
||||||
|
|
||||||
|
struct wl_registry *registry = wl_display_get_registry(nagbar->display);
|
||||||
|
wl_registry_add_listener(registry, ®istry_listener, nagbar);
|
||||||
|
wl_display_roundtrip(nagbar->display);
|
||||||
|
assert(nagbar->compositor && nagbar->layer_shell && nagbar->shm);
|
||||||
|
|
||||||
|
while (nagbar->querying_outputs > 0) {
|
||||||
|
wl_display_roundtrip(nagbar->display);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!nagbar->output.wl_output) {
|
||||||
|
if (nagbar->output.name) {
|
||||||
|
wlr_log(WLR_ERROR, "Output '%s' not found", nagbar->output.name);
|
||||||
|
} else {
|
||||||
|
wlr_log(WLR_ERROR, "No outputs detected");
|
||||||
|
}
|
||||||
|
nagbar_destroy(nagbar);
|
||||||
|
exit(EXIT_FAILURE);
|
||||||
|
}
|
||||||
|
|
||||||
|
struct sway_nagbar_pointer *pointer = &nagbar->pointer;
|
||||||
|
int scale = nagbar->scale < 1 ? 1 : nagbar->scale;
|
||||||
|
pointer->cursor_theme = wl_cursor_theme_load(
|
||||||
|
NULL, 24 * scale, nagbar->shm);
|
||||||
|
assert(pointer->cursor_theme);
|
||||||
|
struct wl_cursor *cursor =
|
||||||
|
wl_cursor_theme_get_cursor(pointer->cursor_theme, "left_ptr");
|
||||||
|
assert(cursor);
|
||||||
|
pointer->cursor_image = cursor->images[0];
|
||||||
|
pointer->cursor_surface = wl_compositor_create_surface(nagbar->compositor);
|
||||||
|
assert(pointer->cursor_surface);
|
||||||
|
|
||||||
|
nagbar->surface = wl_compositor_create_surface(nagbar->compositor);
|
||||||
|
assert(nagbar->surface);
|
||||||
|
nagbar->layer_surface = zwlr_layer_shell_v1_get_layer_surface(
|
||||||
|
nagbar->layer_shell, nagbar->surface, nagbar->output.wl_output,
|
||||||
|
ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM, "nagbar");
|
||||||
|
assert(nagbar->layer_surface);
|
||||||
|
zwlr_layer_surface_v1_add_listener(nagbar->layer_surface,
|
||||||
|
&layer_surface_listener, nagbar);
|
||||||
|
zwlr_layer_surface_v1_set_anchor(nagbar->layer_surface, nagbar->anchors);
|
||||||
|
|
||||||
|
wl_registry_destroy(registry);
|
||||||
|
}
|
||||||
|
|
||||||
|
void nagbar_run(struct sway_nagbar *nagbar) {
|
||||||
|
nagbar->run_display = true;
|
||||||
|
render_frame(nagbar);
|
||||||
|
while (nagbar->run_display && wl_display_dispatch(nagbar->display) != -1) {
|
||||||
|
// This is intentionally left blank
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void nagbar_destroy(struct sway_nagbar *nagbar) {
|
||||||
|
nagbar->run_display = false;
|
||||||
|
|
||||||
|
free(nagbar->message);
|
||||||
|
free(nagbar->font);
|
||||||
|
while (nagbar->buttons->length) {
|
||||||
|
struct sway_nagbar_button *button = nagbar->buttons->items[0];
|
||||||
|
list_del(nagbar->buttons, 0);
|
||||||
|
free(button->text);
|
||||||
|
free(button->action);
|
||||||
|
free(button);
|
||||||
|
}
|
||||||
|
list_free(nagbar->buttons);
|
||||||
|
|
||||||
|
if (nagbar->layer_surface) {
|
||||||
|
zwlr_layer_surface_v1_destroy(nagbar->layer_surface);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (nagbar->surface) {
|
||||||
|
wl_surface_destroy(nagbar->surface);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (nagbar->output.wl_output) {
|
||||||
|
wl_output_destroy(nagbar->output.wl_output);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (&nagbar->buffers[0]) {
|
||||||
|
destroy_buffer(&nagbar->buffers[0]);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (&nagbar->buffers[1]) {
|
||||||
|
destroy_buffer(&nagbar->buffers[1]);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (nagbar->compositor) {
|
||||||
|
wl_compositor_destroy(nagbar->compositor);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (nagbar->shm) {
|
||||||
|
wl_shm_destroy(nagbar->shm);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (nagbar->display) {
|
||||||
|
wl_display_disconnect(nagbar->display);
|
||||||
|
}
|
||||||
|
}
|
||||||
@ -0,0 +1,152 @@
|
|||||||
|
#include <stdint.h>
|
||||||
|
#include "cairo.h"
|
||||||
|
#include "log.h"
|
||||||
|
#include "pango.h"
|
||||||
|
#include "pool-buffer.h"
|
||||||
|
#include "swaynagbar/nagbar.h"
|
||||||
|
#include "wlr-layer-shell-unstable-v1-client-protocol.h"
|
||||||
|
|
||||||
|
static uint32_t render_message(cairo_t *cairo, struct sway_nagbar *nagbar) {
|
||||||
|
uint32_t height = nagbar->height * nagbar->scale;
|
||||||
|
height -= NAGBAR_BAR_BORDER_THICKNESS * nagbar->scale;
|
||||||
|
|
||||||
|
int text_width, text_height;
|
||||||
|
get_text_size(cairo, nagbar->font, &text_width, &text_height,
|
||||||
|
nagbar->scale, true, "%s", nagbar->message);
|
||||||
|
|
||||||
|
int padding = NAGBAR_MESSAGE_PADDING * nagbar->scale;
|
||||||
|
|
||||||
|
uint32_t ideal_height = text_height + padding * 2;
|
||||||
|
uint32_t ideal_surface_height = ideal_height / nagbar->scale;
|
||||||
|
if (nagbar->height < ideal_surface_height) {
|
||||||
|
return ideal_surface_height;
|
||||||
|
}
|
||||||
|
|
||||||
|
cairo_set_source_u32(cairo, nagbar->colors.text);
|
||||||
|
cairo_move_to(cairo, padding, (int)(height / 2.0 - text_height / 2.0));
|
||||||
|
pango_printf(cairo, nagbar->font, nagbar->scale, true, "%s",
|
||||||
|
nagbar->message);
|
||||||
|
|
||||||
|
return nagbar->height;
|
||||||
|
}
|
||||||
|
|
||||||
|
static uint32_t render_button(cairo_t *cairo, struct sway_nagbar *nagbar,
|
||||||
|
int button_index, int *x) {
|
||||||
|
uint32_t height = nagbar->height * nagbar->scale;
|
||||||
|
height -= NAGBAR_BAR_BORDER_THICKNESS * nagbar->scale;
|
||||||
|
struct sway_nagbar_button *button = nagbar->buttons->items[button_index];
|
||||||
|
|
||||||
|
int text_width, text_height;
|
||||||
|
get_text_size(cairo, nagbar->font, &text_width, &text_height,
|
||||||
|
nagbar->scale, true, "%s", button->text);
|
||||||
|
|
||||||
|
int border = NAGBAR_BUTTON_BORDER_THICKNESS * nagbar->scale;
|
||||||
|
int padding = NAGBAR_BUTTON_PADDING * nagbar->scale;
|
||||||
|
|
||||||
|
uint32_t ideal_height = text_height + padding * 2 + border * 2;
|
||||||
|
uint32_t ideal_surface_height = ideal_height / nagbar->scale;
|
||||||
|
if (nagbar->height < ideal_surface_height) {
|
||||||
|
return ideal_surface_height;
|
||||||
|
}
|
||||||
|
|
||||||
|
button->x = *x - border - text_width - padding * 2;
|
||||||
|
button->y = (int)(height / 2.0 - text_height / 2.0) - padding;
|
||||||
|
button->width = text_width + padding * 2;
|
||||||
|
button->height = text_height + padding * 2;
|
||||||
|
|
||||||
|
cairo_set_source_u32(cairo, nagbar->colors.border);
|
||||||
|
cairo_rectangle(cairo, button->x - border, button->y - border,
|
||||||
|
button->width + border * 2, button->height + border * 2);
|
||||||
|
cairo_fill(cairo);
|
||||||
|
|
||||||
|
cairo_set_source_u32(cairo, nagbar->colors.button_background);
|
||||||
|
cairo_rectangle(cairo, button->x, button->y,
|
||||||
|
button->width, button->height);
|
||||||
|
cairo_fill(cairo);
|
||||||
|
|
||||||
|
cairo_set_source_u32(cairo, nagbar->colors.text);
|
||||||
|
cairo_move_to(cairo, button->x + padding, button->y + padding);
|
||||||
|
pango_printf(cairo, nagbar->font, nagbar->scale, true, "%s", button->text);
|
||||||
|
|
||||||
|
*x = button->x - border;
|
||||||
|
|
||||||
|
return nagbar->height;
|
||||||
|
}
|
||||||
|
|
||||||
|
static uint32_t render_to_cairo(cairo_t *cairo, struct sway_nagbar *nagbar) {
|
||||||
|
uint32_t max_height = 0;
|
||||||
|
|
||||||
|
cairo_set_operator(cairo, CAIRO_OPERATOR_SOURCE);
|
||||||
|
cairo_set_source_u32(cairo, nagbar->colors.background);
|
||||||
|
cairo_paint(cairo);
|
||||||
|
|
||||||
|
uint32_t h = render_message(cairo, nagbar);
|
||||||
|
max_height = h > max_height ? h : max_height;
|
||||||
|
|
||||||
|
int x = (nagbar->width - NAGBAR_BUTTON_MARGIN_RIGHT) * nagbar->scale;
|
||||||
|
for (int i = 0; i < nagbar->buttons->length; i++) {
|
||||||
|
h = render_button(cairo, nagbar, i, &x);
|
||||||
|
max_height = h > max_height ? h : max_height;
|
||||||
|
x -= NAGBAR_BUTTON_GAP * nagbar->scale;
|
||||||
|
if (i == 0) {
|
||||||
|
x -= NAGBAR_BUTTON_GAP_CLOSE * nagbar->scale;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
int border = NAGBAR_BAR_BORDER_THICKNESS * nagbar->scale;
|
||||||
|
if (max_height > nagbar->height) {
|
||||||
|
max_height += border;
|
||||||
|
}
|
||||||
|
cairo_set_source_u32(cairo, nagbar->colors.border_bottom);
|
||||||
|
cairo_rectangle(cairo, 0, nagbar->height * nagbar->scale - border,
|
||||||
|
nagbar->width * nagbar->scale, border);
|
||||||
|
cairo_fill(cairo);
|
||||||
|
|
||||||
|
return max_height > nagbar->height ? max_height : nagbar->height;
|
||||||
|
}
|
||||||
|
|
||||||
|
void render_frame(struct sway_nagbar *nagbar) {
|
||||||
|
if (!nagbar->run_display) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
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, nagbar);
|
||||||
|
if (height != nagbar->height) {
|
||||||
|
zwlr_layer_surface_v1_set_size(nagbar->layer_surface, 0, height);
|
||||||
|
zwlr_layer_surface_v1_set_exclusive_zone(nagbar->layer_surface,
|
||||||
|
height);
|
||||||
|
wl_surface_commit(nagbar->surface);
|
||||||
|
wl_display_roundtrip(nagbar->display);
|
||||||
|
} else {
|
||||||
|
nagbar->current_buffer = get_next_buffer(nagbar->shm,
|
||||||
|
nagbar->buffers,
|
||||||
|
nagbar->width * nagbar->scale,
|
||||||
|
nagbar->height * nagbar->scale);
|
||||||
|
cairo_t *shm = nagbar->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_set_buffer_scale(nagbar->surface, nagbar->scale);
|
||||||
|
wl_surface_attach(nagbar->surface,
|
||||||
|
nagbar->current_buffer->buffer, 0, 0);
|
||||||
|
wl_surface_damage(nagbar->surface, 0, 0,
|
||||||
|
nagbar->width, nagbar->height);
|
||||||
|
wl_surface_commit(nagbar->surface);
|
||||||
|
wl_display_roundtrip(nagbar->display);
|
||||||
|
}
|
||||||
|
cairo_surface_destroy(recorder);
|
||||||
|
cairo_destroy(cairo);
|
||||||
|
}
|
||||||
@ -0,0 +1,41 @@
|
|||||||
|
swaynagbar(1)
|
||||||
|
|
||||||
|
# NAME
|
||||||
|
|
||||||
|
swaynagbar - Show a warning or error message with buttons
|
||||||
|
|
||||||
|
# SYNOPSIS
|
||||||
|
|
||||||
|
_swaynagbar_ [options...]
|
||||||
|
|
||||||
|
# OPTIONS
|
||||||
|
*-b, --button* <text> <action>
|
||||||
|
Create a button with the text _text_ that executes _action_ when pressed.
|
||||||
|
Multiple buttons can be defined by providing the flag multiple times.
|
||||||
|
|
||||||
|
*-d, --debug*
|
||||||
|
Enable debugging.
|
||||||
|
|
||||||
|
*-e, --edge top|bottom*
|
||||||
|
Set the edge to use.
|
||||||
|
|
||||||
|
*-f, --font <font>*
|
||||||
|
Set the font to use.
|
||||||
|
|
||||||
|
*-h, --help*
|
||||||
|
Show help message and quit.
|
||||||
|
|
||||||
|
*-m, --message <msg>*
|
||||||
|
Set the message text.
|
||||||
|
|
||||||
|
*-o, --output <output>*
|
||||||
|
Set the output to use. This should be the name of a _xdg\_output_. If
|
||||||
|
_xdg\_output\_manager_ is not supported, then the first detected output
|
||||||
|
will be used
|
||||||
|
|
||||||
|
*-t, --type error|warning*
|
||||||
|
Set the message type.
|
||||||
|
|
||||||
|
*-v, --version
|
||||||
|
Show the version number and quit.
|
||||||
|
|
||||||
Loading…
Reference in new issue