mirror of
https://github.com/NickHu/sway
synced 2024-12-27 21:58:11 +01:00
fd6d6f1d97
References: https://gitlab.freedesktop.org/wlroots/wlroots/-/merge_requests/4097 Closes: https://github.com/swaywm/sway/issues/7830
90 lines
3 KiB
C
90 lines
3 KiB
C
#include <string.h>
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#include <wlr/util/transform.h>
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#include "sway/commands.h"
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#include "sway/config.h"
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#include "log.h"
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#include "sway/output.h"
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static enum wl_output_transform invert_rotation_direction(
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enum wl_output_transform t) {
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switch (t) {
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case WL_OUTPUT_TRANSFORM_90:
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return WL_OUTPUT_TRANSFORM_270;
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case WL_OUTPUT_TRANSFORM_270:
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return WL_OUTPUT_TRANSFORM_90;
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case WL_OUTPUT_TRANSFORM_FLIPPED_90:
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return WL_OUTPUT_TRANSFORM_FLIPPED_270;
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case WL_OUTPUT_TRANSFORM_FLIPPED_270:
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return WL_OUTPUT_TRANSFORM_FLIPPED_90;
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default:
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return t;
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}
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}
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struct cmd_results *output_cmd_transform(int argc, char **argv) {
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if (!config->handler_context.output_config) {
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return cmd_results_new(CMD_FAILURE, "Missing output config");
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}
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if (!argc) {
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return cmd_results_new(CMD_INVALID, "Missing transform argument.");
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}
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enum wl_output_transform transform;
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if (strcmp(*argv, "normal") == 0 ||
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strcmp(*argv, "0") == 0) {
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transform = WL_OUTPUT_TRANSFORM_NORMAL;
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} else if (strcmp(*argv, "90") == 0) {
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transform = WL_OUTPUT_TRANSFORM_90;
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} else if (strcmp(*argv, "180") == 0) {
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transform = WL_OUTPUT_TRANSFORM_180;
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} else if (strcmp(*argv, "270") == 0) {
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transform = WL_OUTPUT_TRANSFORM_270;
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} else if (strcmp(*argv, "flipped") == 0) {
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transform = WL_OUTPUT_TRANSFORM_FLIPPED;
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} else if (strcmp(*argv, "flipped-90") == 0) {
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transform = WL_OUTPUT_TRANSFORM_FLIPPED_90;
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} else if (strcmp(*argv, "flipped-180") == 0) {
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transform = WL_OUTPUT_TRANSFORM_FLIPPED_180;
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} else if (strcmp(*argv, "flipped-270") == 0) {
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transform = WL_OUTPUT_TRANSFORM_FLIPPED_270;
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} else {
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return cmd_results_new(CMD_INVALID, "Invalid output transform.");
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}
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// Sway uses clockwise transforms, while WL_OUTPUT_TRANSFORM_* describe
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// anti-clockwise transforms
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transform = invert_rotation_direction(transform);
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struct output_config *output = config->handler_context.output_config;
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config->handler_context.leftovers.argc = argc - 1;
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config->handler_context.leftovers.argv = argv + 1;
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if (argc > 1 &&
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(strcmp(argv[1], "clockwise") == 0 || strcmp(argv[1], "anticlockwise") == 0)) {
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if (config->reloading) {
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return cmd_results_new(CMD_INVALID,
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"Relative transforms cannot be used in the configuration file");
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}
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if (!sway_assert(output->name != NULL, "Output config name not set")) {
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return NULL;
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}
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if (strcmp(output->name, "*") == 0) {
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return cmd_results_new(CMD_INVALID,
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"Cannot apply relative transform to all outputs.");
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}
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struct sway_output *s_output = output_by_name_or_id(output->name);
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if (s_output == NULL) {
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return cmd_results_new(CMD_INVALID,
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"Cannot apply relative transform to unknown output %s", output->name);
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}
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if (strcmp(argv[1], "anticlockwise") == 0) {
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transform = invert_rotation_direction(transform);
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}
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struct wlr_output *w_output = s_output->wlr_output;
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transform = wlr_output_transform_compose(w_output->transform, transform);
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config->handler_context.leftovers.argv += 1;
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config->handler_context.leftovers.argc -= 1;
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}
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output->transform = transform;
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return NULL;
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}
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