mirror of
https://github.com/artizirk/wdisplays.git
synced 2024-06-14 23:00:10 +03:00
271 lines
7.8 KiB
C
271 lines
7.8 KiB
C
#include "wdisplays.h"
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#include <ctype.h>
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#include <regex.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <wayland-client-protocol.h>
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#define MAX_NAME_LENGTH 256
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#define MAX_MONITORS_NUM 10
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struct wd_head_config;
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struct profile_line {
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int start;
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int end;
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};
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char *get_config_file_path() {
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// 获取用户的主目录路径
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const char *homeDir = getenv("HOME");
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if (homeDir == NULL) {
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perror("Cannot load $HOME env.");
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return NULL;
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}
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// 构建默认的配置文件路径
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char defaultPath[256]; // 假设文件路径不超过256个字符
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snprintf(defaultPath, sizeof(defaultPath), "%s/.config/kanshi/config", homeDir);
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// 尝试打开并读取 $HOME/.config/wdisplays/config 文件
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char wdisplaysPath[256];
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snprintf(wdisplaysPath, sizeof(wdisplaysPath), "%s/.config/wdisplays/config", homeDir);
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FILE *wdisplaysFile = fopen(wdisplaysPath, "r");
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if (wdisplaysFile != NULL) {
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char line[256]; // 假设行的长度不超过256个字符
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// 逐行读取文件，查找 "store PATH" 配置项
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while (fgets(line, sizeof(line), wdisplaysFile) != NULL) {
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if (strstr(line, "store_path") != NULL) {
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// 找到 "store PATH" 配置项，提取路径
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char *pathStart = strchr(line, '=');
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if (pathStart != NULL) {
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pathStart++; // 跳过等号
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char *pathEnd = strchr(pathStart, '\n');
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if (pathEnd != NULL) {
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*pathEnd = '\0'; // 去除换行符
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fclose(wdisplaysFile);
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return strdup(pathStart); // 返回提取的路径
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}
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}
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}
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}
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fclose(wdisplaysFile);
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}
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// 如果没有找到 "store PATH" 配置项，则返回默认路径
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return strdup(defaultPath);
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}
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struct profile_line match(char **descriptions, int num, char *filename) {
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struct profile_line matched_profile;
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matched_profile.start = -1;
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matched_profile.end = -1;
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FILE *configFile = fopen(filename, "r");
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if (configFile == NULL) {
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perror("File open failed.");
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return matched_profile;
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}
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// 缓冲区用于存储文件行
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char buffer[1024];
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char profileName[MAX_NAME_LENGTH];
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int profileStartLine = 0; // 记录匹配到的profile的起始行号
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int profileEndLine = 0; // 记录匹配到的profile的结束行号
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int lineCount = 0; // 用于记录当前行号
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while (fgets(buffer, sizeof(buffer), configFile) != NULL) {
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lineCount++; // 增加行号
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// 检查是否包含 "profile" 关键字
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if (strstr(buffer, "profile") != NULL) {
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// 从当前行提取 profile 名称
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sscanf(buffer, "profile %s {", profileName);
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// 标记当前 profile 是否匹配
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int profileMatched = 0;
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// 记录匹配到的profile的起始行号
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profileStartLine = lineCount;
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// 遍历 profile 中的输出行
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while (fgets(buffer, sizeof(buffer), configFile) != NULL) {
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lineCount++; // 增加行号
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// 检查是否到达当前 profile 的末尾
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if (buffer[0] == '}') {
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// 记录匹配到的profile的结束行号
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profileEndLine = lineCount;
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break; // 退出当前 profile
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}
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char outputName[MAX_NAME_LENGTH];
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// 从当前行提取输出名称
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char *trimmedBuffer = buffer;
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while (isspace(*trimmedBuffer)) {
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trimmedBuffer++;
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}
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sscanf(trimmedBuffer, "output \"%99[^\"]\"", outputName);
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// 检查是否匹配
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int matched = 0;
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for (int i = 0; descriptions[i] != NULL; i++) {
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if (strcmp(outputName, descriptions[i]) == 0) {
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matched = 1;
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profileMatched++;
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break;
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}
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}
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if (!matched) {
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// 如果有任何一个输出不匹配，则标记为不匹配
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profileMatched = 0;
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break;
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}
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}
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if (profileMatched == num) {
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printf("Matched profile：%s\n", profileName);
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printf("Start line：%d\n", profileStartLine);
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matched_profile.start = profileStartLine;
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printf("End line：%d\n", profileEndLine);
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matched_profile.end = profileEndLine;
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fclose(configFile);
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return matched_profile;
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}
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}
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}
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// 关闭配置文件
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fclose(configFile);
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printf("Cannot find exsiting profile to match\n");
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return matched_profile;
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}
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int store_config(struct wl_list *outputs) {
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char *file_name = get_config_file_path();
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char tmp_file_name[256];
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sprintf(tmp_file_name,"%s.tmp",file_name);
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char *descriptions[MAX_MONITORS_NUM];
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for (int i = 0; i < MAX_MONITORS_NUM; i++) {
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descriptions[i] = NULL;
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}
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char *outputConfigs[MAX_MONITORS_NUM];
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for (int i = 0; i < MAX_MONITORS_NUM; i++) {
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outputConfigs[i] = (char *)malloc(MAX_NAME_LENGTH);
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}
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struct wd_head_config *output;
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int description_index = 0;
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wl_list_for_each(output, outputs, link) {
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struct wd_head *head = output->head;
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// for transform
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char *trans_str = (char *)malloc(15 * sizeof(char));
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switch (output->transform) {
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case WL_OUTPUT_TRANSFORM_NORMAL:
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strcpy(trans_str, "normal");
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break;
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case WL_OUTPUT_TRANSFORM_90:
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strcpy(trans_str, "90");
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break;
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case WL_OUTPUT_TRANSFORM_180:
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strcpy(trans_str, "180");
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break;
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case WL_OUTPUT_TRANSFORM_270:
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strcpy(trans_str, "270");
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break;
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case WL_OUTPUT_TRANSFORM_FLIPPED_90:
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strcpy(trans_str, "flipped-90");
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break;
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case WL_OUTPUT_TRANSFORM_FLIPPED_180:
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strcpy(trans_str, "flipped-180");
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break;
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case WL_OUTPUT_TRANSFORM_FLIPPED_270:
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strcpy(trans_str, "flipped-270");
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break;
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default:
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strcpy(trans_str, "normal");
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break;
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}
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if (description_index < MAX_MONITORS_NUM) {
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descriptions[description_index] = strdup(head->description);
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sprintf(
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outputConfigs[description_index],
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"output \"%s\" position %d,%d mode %dx%d@%.4f scale %.2f transform %s",
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head->description, output->x, output->y, output->width,
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output->height, output->refresh / 1.0e3, output->scale, trans_str);
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description_index++;
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} else {
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printf("Too many monitor!");
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return 1;
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}
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free(trans_str);
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}
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int num_of_monitors = description_index;
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struct profile_line matched_profile;
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matched_profile = match(descriptions, num_of_monitors, file_name);
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if (matched_profile.start == -1) {
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FILE *file = fopen(file_name, "a");
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if (file == NULL) {
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perror("File open failed.");
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return 1;
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}
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fprintf(file, "\nprofile {\n");
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for (int i = 0; i<num_of_monitors; i++) {
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fprintf(file, " %s\n", outputConfigs[i]);
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free(outputConfigs[i]);
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}
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fprintf(file, "}");
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fclose(file);
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} else if (matched_profile.start < matched_profile.end) {
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// rewrite correspondece lines
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FILE *file = fopen(file_name, "r");
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if (file == NULL) {
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perror("File open failed.");
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return 1;
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}
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FILE *tmp = fopen(tmp_file_name, "w");
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if (tmp == NULL) {
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perror("Tmp file cannot be created.");
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fclose(file);
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return 1;
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}
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char _buffer[1024];
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int _line = 0;
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int _i_output = 0;
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while (fgets(_buffer, sizeof(_buffer), file) != NULL) {
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if (_line >= matched_profile.start && _line < matched_profile.end - 1) {
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if(_i_output>=num_of_monitors){
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perror("Null pointer");
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fclose(tmp);
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fclose(file);
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return 1;
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}
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fprintf(tmp," %s\n",outputConfigs[_i_output]);
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free(outputConfigs[_i_output]);
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_i_output++;
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} else{
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fprintf(tmp,"%s",_buffer);
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}
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_line++;
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}
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fclose(file);
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fclose(tmp);
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remove(file_name);
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rename(tmp_file_name, file_name);
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}
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return 0;
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} |