mirror of
https://github.com/aristocratos/btop.git
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607 lines
20 KiB
C++
607 lines
20 KiB
C++
/* Copyright 2021 Aristocratos (jakob@qvantnet.com)
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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indent = tab
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tab-size = 4
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*/
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#include <array>
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#include <ranges>
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#include <atomic>
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#include <fstream>
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#include <string_view>
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#include <btop_config.hpp>
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#include <btop_shared.hpp>
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#include <btop_tools.hpp>
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using std::array, std::atomic, std::string_view, std::string_literals::operator""s;
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namespace fs = std::filesystem;
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namespace rng = std::ranges;
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using namespace Tools;
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//* Functions and variables for reading and writing the btop config file
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namespace Config {
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atomic<bool> locked (false);
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atomic<bool> writelock (false);
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bool write_new;
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const vector<array<string, 2>> descriptions = {
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{"color_theme", "#* Name of a btop++/bpytop/bashtop formatted \".theme\" file, \"Default\" and \"TTY\" for builtin themes.\n"
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"#* Themes should be placed in \"../share/btop/themes\" relative to binary or \"$HOME/.config/btop/themes\""},
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{"theme_background", "#* If the theme set background should be shown, set to False if you want terminal background transparency."},
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{"truecolor", "#* Sets if 24-bit truecolor should be used, will convert 24-bit colors to 256 color (6x6x6 color cube) if false."},
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{"force_tty", "#* Set to true to force tty mode regardless if a real tty has been detected or not.\n"
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"#* Will force 16-color mode and TTY theme, set all graph symbols to \"tty\" and swap out other non tty friendly symbols."},
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{"presets", "#* Define presets for the layout of the boxes. Preset 0 is always all boxes shown with default settings. Max 9 presets.\n"
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"#* Format: \"box_name:P:G,box_name:P:G\" P=(0 or 1) for alternate positons, G=graph symbol to use for box.\n"
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"#* Use withespace \" \" as seprator between different presets.\n"
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"#* Example: \"cpu:0:default,mem:0:tty,proc:1:default cpu:0:braille,proc:0:tty\""},
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{"vim_keys", "#* Set to True to enable \"h,j,k,l\" keys for directional control in lists.\n"
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"#* Conflicting keys for h:\"help\" and k:\"kill\" is accessible while holding shift."},
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{"rounded_corners", "#* Rounded corners on boxes, is ignored if TTY mode is ON."},
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{"graph_symbol", "#* Default symbols to use for graph creation, \"braille\", \"block\" or \"tty\".\n"
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"#* \"braille\" offers the highest resolution but might not be included in all fonts.\n"
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"#* \"block\" has half the resolution of braille but uses more common characters.\n"
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"#* \"tty\" uses only 3 different symbols but will work with most fonts and should work in a real TTY.\n"
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"#* Note that \"tty\" only has half the horizontal resolution of the other two, so will show a shorter historical view."},
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{"graph_symbol_cpu", "# Graph symbol to use for graphs in cpu box, \"default\", \"braille\", \"block\" or \"tty\"."},
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{"graph_symbol_mem", "# Graph symbol to use for graphs in cpu box, \"default\", \"braille\", \"block\" or \"tty\"."},
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{"graph_symbol_net", "# Graph symbol to use for graphs in cpu box, \"default\", \"braille\", \"block\" or \"tty\"."},
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{"graph_symbol_proc", "# Graph symbol to use for graphs in cpu box, \"default\", \"braille\", \"block\" or \"tty\"."},
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{"shown_boxes", "#* Manually set which boxes to show. Available values are \"cpu mem net proc\", separate values with whitespace."},
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{"update_ms", "#* Update time in milliseconds, recommended 2000 ms or above for better sample times for graphs."},
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{"proc_sorting", "#* Processes sorting, \"pid\" \"program\" \"arguments\" \"threads\" \"user\" \"memory\" \"cpu lazy\" \"cpu responsive\",\n"
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"#* \"cpu lazy\" sorts top process over time (easier to follow), \"cpu responsive\" updates top process directly."},
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{"proc_reversed", "#* Reverse sorting order, True or False."},
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{"proc_tree", "#* Show processes as a tree."},
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{"proc_colors", "#* Use the cpu graph colors in the process list."},
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{"proc_gradient", "#* Use a darkening gradient in the process list."},
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{"proc_per_core", "#* If process cpu usage should be of the core it's running on or usage of the total available cpu power."},
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{"proc_mem_bytes", "#* Show process memory as bytes instead of percent."},
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{"proc_info_smaps", "#* Use /proc/[pid]/smaps for memory information in the process info box (very slow but more accurate)"},
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{"proc_left", "#* Show proc box on left side of screen instead of right."},
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{"cpu_graph_upper", "#* Sets the CPU stat shown in upper half of the CPU graph, \"total\" is always available.\n"
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"#* Select from a list of detected attributes from the options menu."},
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{"cpu_graph_lower", "#* Sets the CPU stat shown in lower half of the CPU graph, \"total\" is always available.\n"
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"#* Select from a list of detected attributes from the options menu."},
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{"cpu_invert_lower", "#* Toggles if the lower CPU graph should be inverted."},
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{"cpu_single_graph", "#* Set to True to completely disable the lower CPU graph."},
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{"cpu_bottom", "#* Show cpu box at bottom of screen instead of top."},
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{"show_uptime", "#* Shows the system uptime in the CPU box."},
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{"check_temp", "#* Show cpu temperature."},
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{"cpu_sensor", "#* Which sensor to use for cpu temperature, use options menu to select from list of available sensors."},
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{"show_coretemp", "#* Show temperatures for cpu cores also if check_temp is True and sensors has been found."},
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{"cpu_core_map", "#* Set a custom mapping between core and coretemp, can be needed on certain cpus to get correct temperature for correct core.\n"
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"#* Use lm-sensors or similar to see which cores are reporting temperatures on your machine.\n"
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"#* Format \"x:y\" x=core with wrong temp, y=core with correct temp, use space as separator between multiple entries.\n"
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"#* Example: \"4:0 5:1 6:3\""},
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{"temp_scale", "#* Which temperature scale to use, available values: \"celsius\", \"fahrenheit\", \"kelvin\" and \"rankine\"."},
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{"show_cpu_freq", "#* Show CPU frequency."},
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{"clock_format", "#* Draw a clock at top of screen, formatting according to strftime, empty string to disable.\n"
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"#* Special formatting: /host = hostname | /user = username | /uptime = system uptime"},
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{"background_update", "#* Update main ui in background when menus are showing, set this to false if the menus is flickering too much for comfort."},
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{"custom_cpu_name", "#* Custom cpu model name, empty string to disable."},
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{"disks_filter", "#* Optional filter for shown disks, should be full path of a mountpoint, separate multiple values with whitespace \" \".\n"
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"#* Begin line with \"exclude=\" to change to exclude filter, otherwise defaults to \"most include\" filter. Example: disks_filter=\"exclude=/boot /home/user\"."},
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{"mem_graphs", "#* Show graphs instead of meters for memory values."},
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{"mem_below_net", "#* Show mem box below net box instead of above."},
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{"show_swap", "#* If swap memory should be shown in memory box."},
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{"swap_disk", "#* Show swap as a disk, ignores show_swap value above, inserts itself after first disk."},
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{"show_disks", "#* If mem box should be split to also show disks info."},
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{"only_physical", "#* Filter out non physical disks. Set this to False to include network disks, RAM disks and similar."},
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{"use_fstab", "#* Read disks list from /etc/fstab. This also disables only_physical."},
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{"show_io_stat", "#* Toggles if io activity % (disk busy time) should be shown in regular disk usage view."},
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{"io_mode", "#* Toggles io mode for disks, showing big graphs for disk read/write speeds."},
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{"io_graph_combined", "#* Set to True to show combined read/write io graphs in io mode."},
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{"io_graph_speeds", "#* Set the top speed for the io graphs in MiB/s (100 by default), use format \"mountpoint:speed\" separate disks with whitespace \" \".\n"
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"#* Example: \"/mnt/media:100 /:20 /boot:1\"."},
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{"net_download", "#* Set fixed values for network graphs in Mebibits. Is only used if net_auto is also set to False."},
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{"net_upload", ""},
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{"net_auto", "#* Use network graphs auto rescaling mode, ignores any values set above and rescales down to 10 Kibibytes at the lowest."},
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{"net_sync", "#* Sync the auto scaling for download and upload to whichever currently has the highest scale."},
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{"net_iface", "#* Starts with the Network Interface specified here."},
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{"show_battery", "#* Show battery stats in top right if battery is present."},
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{"selected_battery", "#* Which battery to use if multiple are present. \"Auto\" for auto detection."},
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{"log_level", "#* Set loglevel for \"~/.config/btop/btop.log\" levels are: \"ERROR\" \"WARNING\" \"INFO\" \"DEBUG\".\n"
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"#* The level set includes all lower levels, i.e. \"DEBUG\" will show all logging info."}
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};
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unordered_flat_map<string, string> strings = {
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{"color_theme", "Default"},
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{"shown_boxes", "cpu mem net proc"},
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{"graph_symbol", "braille"},
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{"presets", "cpu:1:default,proc:0:default cpu:0:default,mem:0:default,net:0:default cpu:0:block,net:0:tty"},
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{"graph_symbol_cpu", "default"},
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{"graph_symbol_mem", "default"},
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{"graph_symbol_net", "default"},
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{"graph_symbol_proc", "default"},
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{"proc_sorting", "cpu lazy"},
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{"cpu_graph_upper", "total"},
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{"cpu_graph_lower", "total"},
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{"cpu_sensor", "Auto"},
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{"selected_battery", "Auto"},
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{"cpu_core_map", ""},
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{"temp_scale", "celsius"},
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{"clock_format", "%X"},
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{"custom_cpu_name", ""},
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{"disks_filter", ""},
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{"io_graph_speeds", ""},
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{"net_iface", ""},
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{"log_level", "WARNING"},
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{"proc_filter", ""},
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{"proc_command", ""},
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{"selected_name", ""},
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};
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unordered_flat_map<string, string> stringsTmp;
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unordered_flat_map<string, bool> bools = {
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{"theme_background", true},
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{"truecolor", true},
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{"rounded_corners", true},
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{"proc_reversed", false},
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{"proc_tree", false},
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{"proc_colors", true},
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{"proc_gradient", true},
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{"proc_per_core", true},
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{"proc_mem_bytes", true},
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{"proc_info_smaps", false},
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{"proc_left", false},
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{"cpu_invert_lower", true},
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{"cpu_single_graph", false},
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{"cpu_bottom", false},
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{"show_uptime", true},
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{"check_temp", true},
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{"show_coretemp", true},
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{"show_cpu_freq", true},
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{"background_update", true},
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{"mem_graphs", true},
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{"mem_below_net", false},
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{"show_swap", true},
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{"swap_disk", true},
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{"show_disks", true},
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{"only_physical", true},
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{"use_fstab", true},
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{"show_io_stat", true},
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{"io_mode", false},
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{"io_graph_combined", false},
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{"net_auto", true},
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{"net_sync", false},
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{"show_battery", true},
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{"vim_keys", false},
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{"tty_mode", false},
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{"force_tty", false},
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{"lowcolor", false},
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{"show_detailed", false},
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{"proc_filtering", false},
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};
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unordered_flat_map<string, bool> boolsTmp;
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unordered_flat_map<string, int> ints = {
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{"update_ms", 2000},
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{"net_download", 100},
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{"net_upload", 100},
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{"detailed_pid", 0},
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{"selected_pid", 0},
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{"proc_start", 0},
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{"proc_selected", 0},
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{"proc_last_selected", 0},
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};
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unordered_flat_map<string, int> intsTmp;
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bool _locked(const string& name) {
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atomic_wait(writelock, true);
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if (not write_new and rng::find_if(descriptions, [&name](const auto& a) { return a.at(0) == name; }) != descriptions.end())
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write_new = true;
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return locked.load();
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}
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fs::path conf_dir;
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fs::path conf_file;
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vector<string> available_batteries = {"Auto"};
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vector<string> current_boxes;
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vector<string> preset_list = {"cpu:0:default,mem:0:default,net:0:default,proc:0:default"};
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int current_preset = -1;
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bool presetsValid(const string& presets) {
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vector<string> new_presets = {preset_list.at(0)};
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for (int x = 0; const auto& preset : ssplit(presets)) {
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if (++x > 9) {
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validError = "Too many presets entered!";
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return false;
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}
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for (int y = 0; const auto& box : ssplit(preset, ',')) {
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if (++y > 4) {
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validError = "Too many boxes entered for preset!";
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return false;
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}
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const auto& vals = ssplit(box, ':');
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if (vals.size() != 3) {
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validError = "Malformatted preset in config value presets!";
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return false;
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}
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if (not is_in(vals.at(0), "cpu", "mem", "net", "proc")) {
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validError = "Invalid box name in config value presets!";
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return false;
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}
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if (not is_in(vals.at(1), "0", "1")) {
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validError = "Invalid position value in config value presets!";
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return false;
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}
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if (not v_contains(valid_graph_symbols_def, vals.at(2))) {
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validError = "Invalid graph name in config value presets!";
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return false;
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}
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}
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new_presets.push_back(preset);
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}
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preset_list = move(new_presets);
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return true;
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}
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//* Apply selected preset
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void apply_preset(const string& preset) {
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string boxes;
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for (const auto& box : ssplit(preset, ',')) {
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const auto& vals = ssplit(box, ':');
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boxes += vals.at(0) + ' ';
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}
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if (not boxes.empty()) boxes.pop_back();
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auto min_size = Term::get_min_size(boxes);
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if (Term::width < min_size.at(0) or Term::height < min_size.at(1)) {
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return;
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}
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for (const auto& box : ssplit(preset, ',')) {
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const auto& vals = ssplit(box, ':');
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if (vals.at(0) == "cpu") set("cpu_bottom", (vals.at(1) == "0" ? false : true));
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else if (vals.at(0) == "mem") set("mem_below_net", (vals.at(1) == "0" ? false : true));
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else if (vals.at(0) == "proc") set("proc_left", (vals.at(1) == "0" ? false : true));
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set("graph_symbol_" + vals.at(0), vals.at(2));
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}
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if (check_boxes(boxes)) set("shown_boxes", boxes);
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}
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void lock() {
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atomic_wait(writelock);
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locked = true;
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}
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string validError;
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bool intValid(const string& name, const string& value) {
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int i_value;
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try {
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i_value = stoi(value);
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}
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catch (const std::invalid_argument&) {
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validError = "Invalid numerical value!";
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return false;
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}
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catch (const std::out_of_range&) {
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validError = "Value out of range!";
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return false;
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}
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catch (const std::exception& e) {
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validError = (string)e.what();
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return false;
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}
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if (name == "update_ms" and i_value < 100)
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validError = "Config value update_ms set too low (<100).";
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else if (name == "update_ms" and i_value > 86400000)
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validError = "Config value update_ms set too high (>86400000).";
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else
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return true;
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return false;
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}
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bool stringValid(const string& name, const string& value) {
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if (name == "log_level" and not v_contains(Logger::log_levels, value))
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validError = "Invalid log_level: " + value;
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else if (name == "graph_symbol" and not v_contains(valid_graph_symbols, value))
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validError = "Invalid graph symbol identifier: " + value;
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else if (name.starts_with("graph_symbol_") and (value != "default" and not v_contains(valid_graph_symbols, value)))
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validError = "Invalid graph symbol identifier for" + name + ": " + value;
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else if (name == "shown_boxes" and not value.empty() and not check_boxes(value))
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validError = "Invalid box name(s) in shown_boxes!";
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else if (name == "presets" and not presetsValid(value))
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return false;
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else if (name == "cpu_core_map") {
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const auto maps = ssplit(value);
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bool all_good = true;
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for (const auto& map : maps) {
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const auto map_split = ssplit(map, ':');
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if (map_split.size() != 2)
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all_good = false;
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else if (not isint(map_split.at(0)) or not isint(map_split.at(1)))
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all_good = false;
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if (not all_good) {
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validError = "Invalid formatting of cpu_core_map!";
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return false;
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}
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}
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return true;
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}
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else if (name == "io_graph_speeds") {
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const auto maps = ssplit(value);
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bool all_good = true;
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for (const auto& map : maps) {
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const auto map_split = ssplit(map, ':');
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if (map_split.size() != 2)
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all_good = false;
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else if (map_split.at(0).empty() or not isint(map_split.at(1)))
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all_good = false;
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if (not all_good) {
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validError = "Invalid formatting of io_graph_speeds!";
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return false;
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}
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}
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return true;
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}
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else
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return true;
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return false;
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}
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string getAsString(const string& name) {
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if (bools.contains(name))
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return (bools.at(name) ? "True" : "False");
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else if (ints.contains(name))
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return to_string(ints.at(name));
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else if (strings.contains(name))
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return strings.at(name);
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return "";
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}
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void flip(const string& name) {
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if (_locked(name)) {
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if (boolsTmp.contains(name)) boolsTmp.at(name) = not boolsTmp.at(name);
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else boolsTmp.insert_or_assign(name, (not bools.at(name)));
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}
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else bools.at(name) = not bools.at(name);
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}
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|
|
|
void unlock() {
|
|
if (not locked) return;
|
|
atomic_wait(Runner::active);
|
|
atomic_lock lck(writelock, true);
|
|
try {
|
|
if (Proc::shown) {
|
|
ints.at("selected_pid") = Proc::selected_pid;
|
|
strings.at("selected_name") = Proc::selected_name;
|
|
ints.at("proc_start") = Proc::start;
|
|
ints.at("proc_selected") = Proc::selected;
|
|
}
|
|
|
|
for (auto& item : stringsTmp) {
|
|
strings.at(item.first) = item.second;
|
|
}
|
|
stringsTmp.clear();
|
|
|
|
for (auto& item : intsTmp) {
|
|
ints.at(item.first) = item.second;
|
|
}
|
|
intsTmp.clear();
|
|
|
|
for (auto& item : boolsTmp) {
|
|
bools.at(item.first) = item.second;
|
|
}
|
|
boolsTmp.clear();
|
|
}
|
|
catch (const std::exception& e) {
|
|
Global::exit_error_msg = "Exception during Config::unlock() : " + (string)e.what();
|
|
exit(1);
|
|
}
|
|
|
|
locked = false;
|
|
}
|
|
|
|
bool check_boxes(const string& boxes) {
|
|
auto new_boxes = ssplit(boxes);
|
|
for (auto& box : new_boxes) {
|
|
if (not v_contains(valid_boxes, box)) return false;
|
|
}
|
|
current_boxes = move(new_boxes);
|
|
return true;
|
|
}
|
|
|
|
void toggle_box(const string& box) {
|
|
auto old_boxes = current_boxes;
|
|
auto box_pos = rng::find(current_boxes, box);
|
|
if (box_pos == current_boxes.end())
|
|
current_boxes.push_back(box);
|
|
else
|
|
current_boxes.erase(box_pos);
|
|
|
|
string new_boxes;
|
|
if (not current_boxes.empty()) {
|
|
for (const auto& b : current_boxes) new_boxes += b + ' ';
|
|
new_boxes.pop_back();
|
|
}
|
|
|
|
auto min_size = Term::get_min_size(new_boxes);
|
|
|
|
if (Term::width < min_size.at(0) or Term::height < min_size.at(1)) {
|
|
current_boxes = old_boxes;
|
|
return;
|
|
}
|
|
|
|
Config::set("shown_boxes", new_boxes);
|
|
}
|
|
|
|
void load(const fs::path& conf_file, vector<string>& load_warnings) {
|
|
if (conf_file.empty())
|
|
return;
|
|
else if (not fs::exists(conf_file)) {
|
|
write_new = true;
|
|
return;
|
|
}
|
|
std::ifstream cread(conf_file);
|
|
if (cread.good()) {
|
|
vector<string> valid_names;
|
|
for (auto &n : descriptions)
|
|
valid_names.push_back(n[0]);
|
|
string v_string;
|
|
getline(cread, v_string, '\n');
|
|
if (not s_contains(v_string, Global::Version))
|
|
write_new = true;
|
|
while (not cread.eof()) {
|
|
cread >> std::ws;
|
|
if (cread.peek() == '#') {
|
|
cread.ignore(SSmax, '\n');
|
|
continue;
|
|
}
|
|
string name, value;
|
|
getline(cread, name, '=');
|
|
if (name.ends_with(' ')) name = trim(name);
|
|
if (not v_contains(valid_names, name)) {
|
|
cread.ignore(SSmax, '\n');
|
|
continue;
|
|
}
|
|
cread >> std::ws;
|
|
|
|
if (bools.contains(name)) {
|
|
cread >> value;
|
|
if (not isbool(value))
|
|
load_warnings.push_back("Got an invalid bool value for config name: " + name);
|
|
else
|
|
bools.at(name) = stobool(value);
|
|
}
|
|
else if (ints.contains(name)) {
|
|
cread >> value;
|
|
if (not isint(value))
|
|
load_warnings.push_back("Got an invalid integer value for config name: " + name);
|
|
else if (not intValid(name, value)) {
|
|
load_warnings.push_back(validError);
|
|
}
|
|
else
|
|
ints.at(name) = stoi(value);
|
|
}
|
|
else if (strings.contains(name)) {
|
|
if (cread.peek() == '"') {
|
|
cread.ignore(1);
|
|
getline(cread, value, '"');
|
|
}
|
|
else cread >> value;
|
|
|
|
if (not stringValid(name, value))
|
|
load_warnings.push_back(validError);
|
|
else
|
|
strings.at(name) = value;
|
|
}
|
|
|
|
cread.ignore(SSmax, '\n');
|
|
}
|
|
|
|
if (not load_warnings.empty()) write_new = true;
|
|
}
|
|
}
|
|
|
|
void write() {
|
|
if (conf_file.empty() or not write_new) return;
|
|
Logger::debug("Writing new config file");
|
|
std::ofstream cwrite(conf_file, std::ios::trunc);
|
|
if (cwrite.good()) {
|
|
cwrite << "#? Config file for btop v. " << Global::Version;
|
|
for (auto [name, description] : descriptions) {
|
|
cwrite << "\n\n" << (description.empty() ? "" : description + "\n")
|
|
<< name << " = ";
|
|
if (strings.contains(name))
|
|
cwrite << "\"" << strings.at(name) << "\"";
|
|
else if (ints.contains(name))
|
|
cwrite << ints.at(name);
|
|
else if (bools.contains(name))
|
|
cwrite << (bools.at(name) ? "True" : "False");
|
|
}
|
|
}
|
|
}
|
|
} |