diff options
| -rw-r--r-- | .clang-format | 120 | ||||
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | CMakeLists.txt | 13 | ||||
| -rw-r--r-- | pen-fix/main.cpp | 113 |
4 files changed, 247 insertions, 0 deletions
diff --git a/.clang-format b/.clang-format new file mode 100644 index 0000000..e54cb03 --- /dev/null +++ b/.clang-format @@ -0,0 +1,120 @@ +--- +AccessModifierOffset: "-2" +AlignAfterOpenBracket: Align +AlignConsecutiveAssignments: + Enabled: false + AcrossEmptyLines: false + AcrossComments: false + AlignCompound: false + AlignFunctionPointers: false + PadOperators: true +AlignConsecutiveDeclarations: + Enabled: false + AcrossEmptyLines: false + AcrossComments: false + AlignCompound: false + AlignFunctionPointers: false + PadOperators: true +AlignEscapedNewlines: LeftWithLastLine +AlignTrailingComments: "true" +AllowAllParametersOfDeclarationOnNextLine: "true" +AllowShortBlocksOnASingleLine: Never +AllowShortCaseLabelsOnASingleLine: "false" +AllowShortFunctionsOnASingleLine: Empty +AllowShortIfStatementsOnASingleLine: Never +AllowShortLoopsOnASingleLine: "false" +AlwaysBreakAfterDefinitionReturnType: None +AlwaysBreakAfterReturnType: None +AlwaysBreakTemplateDeclarations: "true" +BinPackArguments: "true" +BinPackParameters: "true" +BreakBeforeBraces: Custom +BraceWrapping: + AfterClass: "true" + AfterControlStatement: "true" + AfterEnum: "true" + AfterFunction: "true" + AfterNamespace: "true" + AfterStruct: "true" + AfterUnion: "true" + AfterExternBlock: "true" + BeforeCatch: "true" + BeforeElse: "true" + IndentBraces: "false" + AfterCaseLabel: true + SplitEmptyFunction: false + SplitEmptyRecord: true + SplitEmptyNamespace: true +BreakBeforeInheritanceComma: "false" +BreakConstructorInitializers: BeforeComma +BreakStringLiterals: "true" +ColumnLimit: "120" +CompactNamespaces: "false" +Cpp11BracedListStyle: "true" +DerivePointerAlignment: "false" +FixNamespaceComments: "true" +IncludeBlocks: Regroup +IncludeCategories: + - Regex: 'kapi/[[:alnum:]._\/]+\.hpp' + Priority: 100 + - Regex: 'x86_64/[[:alnum:]._\/]+\.hpp' + Priority: 110 + - Regex: '"[[:alnum:]._\/]+\.hpp"' + Priority: 300 + - Regex: '<kstd/[[:alnum:]._\/]+>' + Priority: 400 + - Regex: '<[[:alnum:]._\/]+\.hpp>' + Priority: 600 + - Regex: '<[[:alnum:]._]+(?!\.(h|hpp))>' + Priority: 900 +IndentCaseLabels: "true" +IndentPPDirectives: None +IndentWidth: "2" +KeepEmptyLinesAtTheStartOfBlocks: "false" +Language: Cpp +MaxEmptyLinesToKeep: "1" +NamespaceIndentation: All +PointerAlignment: Middle +ReflowComments: "true" +SortIncludes: "true" +SortUsingDeclarations: "true" +SpaceAfterCStyleCast: "false" +SpaceAfterTemplateKeyword: "false" +SpaceBeforeAssignmentOperators: "true" +SpaceBeforeParens: ControlStatements +SpaceInEmptyParentheses: "false" +SpacesBeforeTrailingComments: "2" +SpacesInAngles: "false" +SpacesInContainerLiterals: "false" +SpacesInCStyleCastParentheses: "false" +SpacesInParentheses: "false" +SpacesInSquareBrackets: "false" +Standard: Latest +TabWidth: "2" +UseTab: Never +AlignArrayOfStructures: Right +AlignConsecutiveBitFields: {} +AllowAllArgumentsOnNextLine: false +AllowBreakBeforeNoexceptSpecifier: Never +AllowShortCaseExpressionOnASingleLine: false +AllowShortCompoundRequirementOnASingleLine: true +AllowShortEnumsOnASingleLine: false +AllowShortLambdasOnASingleLine: Inline +BitFieldColonSpacing: Both +BracedInitializerIndentWidth: 2 +IntegerLiteralSeparator: + Binary: 4 + BinaryMinDigits: 8 + Decimal: 3 + DecimalMinDigits: 6 + Hex: 4 + HexMinDigits: 8 +QualifierAlignment: Custom +QualifierOrder: + - constexpr + - type + - static + - inline + - const +SpaceBeforeRangeBasedForLoopColon: true +SpaceBeforeSquareBrackets: false diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..a007fea --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +build/* diff --git a/CMakeLists.txt b/CMakeLists.txt new file mode 100644 index 0000000..9d6f6c1 --- /dev/null +++ b/CMakeLists.txt @@ -0,0 +1,13 @@ +cmake_minimum_required(VERSION "3.30.0") + +project("pen-fix" + LANGUAGES CXX +) + +add_executable("pen-fix" + "pen-fix/main.cpp" +) + +target_compile_features("pen-fix" PRIVATE + "cxx_std_23" +) diff --git a/pen-fix/main.cpp b/pen-fix/main.cpp new file mode 100644 index 0000000..4688f28 --- /dev/null +++ b/pen-fix/main.cpp @@ -0,0 +1,113 @@ +#include <algorithm> +#include <cstdio> +#include <linux/input-event-codes.h> +#include <linux/input.h> +#include <poll.h> +#include <sys/poll.h> +#include <unistd.h> +#include <utility> +#include <vector> + +auto flush(std::vector<input_event> & frame) -> void +{ + std::ranges::for_each(frame, [](auto event) { std::fwrite(&event, sizeof(event), 1, stdout); }); + + std::fflush(stdout); + frame.clear(); +} + +auto main() -> int +{ + auto poll_descriptor = pollfd{.fd = STDIN_FILENO, .events = POLLIN, .revents = 0}; + + auto current_frame = std::vector<struct input_event>{}; + auto deferred_frame = std::vector<struct input_event>{}; + auto waiting_for_rubber_tool = false; + + while (true) + { + auto timeout_ms = waiting_for_rubber_tool ? 50 : -1; + auto ret = poll(&poll_descriptor, 1, timeout_ms); + + if (ret == 0) + { + if (waiting_for_rubber_tool) + { + flush(deferred_frame); + waiting_for_rubber_tool = false; + } + continue; + } + + if (ret < 0) + { + break; + } + + auto event = input_event{}; + if (std::fread(&event, sizeof(event), 1, stdin) != 1) + { + break; + } + + current_frame.push_back(event); + + if (event.type == EV_SYN && event.code == SYN_REPORT) + { + auto has_pen_leave = false; + auto has_rubber_enter = false; + auto has_rubber_leave = false; + + std::ranges::for_each(current_frame, [&](auto event) { + if (event.type == EV_KEY && event.code == BTN_TOOL_PEN && event.value == 0) + has_pen_leave = true; + if (event.type == EV_KEY && event.code == BTN_TOOL_RUBBER && event.value == 1) + has_rubber_enter = true; + if (event.type == EV_KEY && event.code == BTN_TOOL_RUBBER && event.value == 0) + has_rubber_leave = true; + }); + + if (has_pen_leave) + { + deferred_frame = std::move(current_frame); + waiting_for_rubber_tool = true; + } + else if (has_rubber_enter || has_rubber_leave) + { + auto mutated_frame = std::vector<input_event>{}; + + for (auto const & e : current_frame) + { + if (e.type == EV_KEY && e.code == BTN_TOOL_RUBBER) + { + struct input_event mutated_btn = e; + mutated_btn.code = BTN_STYLUS2; + mutated_frame.push_back(mutated_btn); + } + else if (e.type == EV_ABS) + { + continue; + } + else + { + mutated_frame.push_back(e); + } + } + deferred_frame.clear(); + waiting_for_rubber_tool = false; + flush(mutated_frame); + } + else + { + if (waiting_for_rubber_tool) + { + flush(deferred_frame); + waiting_for_rubber_tool = false; + } + flush(current_frame); + } + current_frame.clear(); + } + } + return 0; +} |