core: clang-tidy and comp fixes (#110)

* clang-tidy and comp fixes

* remove stupid comment

* oaooaoaoaoao

* quack

* remove comment

.clang-tidy

@@ -0,0 +1,101 @@
+WarningsAsErrors: '*'
+HeaderFilterRegex: '.*\.hpp'
+FormatStyle: file
+Checks: >
+  -*,
+  bugprone-*,
+  -bugprone-easily-swappable-parameters,
+  -bugprone-forward-declararion-namespace,
+  -bugprone-forward-declararion-namespace,
+  -bugprone-macro-parentheses,
+  -bugprone-narrowing-conversions,
+  -bugprone-branch-clone,
+  -bugprone-assignment-in-if-condition,
+  concurrency-*,
+  -concurrency-mt-unsafe,
+  cppcoreguidelines-*,
+  -cppcoreguidelines-owning-memory,
+  -cppcoreguidelines-avoid-magic-numbers,
+  -cppcoreguidelines-pro-bounds-constant-array-index,
+  -cppcoreguidelines-avoid-const-or-ref-data-members,
+  -cppcoreguidelines-non-private-member-variables-in-classes,
+  -cppcoreguidelines-avoid-goto,
+  -cppcoreguidelines-pro-bounds-array-to-pointer-decay,
+  -cppcoreguidelines-avoid-do-while,
+  -cppcoreguidelines-avoid-non-const-global-variables,
+  -cppcoreguidelines-special-member-functions,
+  -cppcoreguidelines-explicit-virtual-functions,
+  -cppcoreguidelines-avoid-c-arrays,
+  -cppcoreguidelines-pro-bounds-pointer-arithmetic,
+  -cppcoreguidelines-narrowing-conversions,
+  -cppcoreguidelines-pro-type-union-access,
+  -cppcoreguidelines-pro-type-member-init,
+  -cppcoreguidelines-macro-usage,
+  -cppcoreguidelines-macro-to-enum,
+  -cppcoreguidelines-init-variables,
+  -cppcoreguidelines-pro-type-cstyle-cast,
+  -cppcoreguidelines-pro-type-vararg,
+  -cppcoreguidelines-pro-type-reinterpret-cast,
+  google-global-names-in-headers,
+  -google-readability-casting,
+  google-runtime-operator,
+  misc-*,
+  -misc-unused-parameters,
+  -misc-no-recursion,
+  -misc-non-private-member-variables-in-classes,
+  -misc-include-cleaner,
+  -misc-use-anonymous-namespace,
+  -misc-const-correctness,
+  modernize-*,
+  -modernize-return-braced-init-list,
+  -modernize-use-trailing-return-type,
+  -modernize-use-using,
+  -modernize-use-override,
+  -modernize-avoid-c-arrays,
+  -modernize-macro-to-enum,
+  -modernize-loop-convert,
+  -modernize-use-nodiscard,
+  -modernize-pass-by-value,
+  -modernize-use-auto,
+  performance-*,
+  -performance-avoid-endl,
+  -performance-unnecessary-value-param,
+  portability-std-allocator-const,
+  readability-*,
+  -readability-function-cognitive-complexity,
+  -readability-function-size,
+  -readability-identifier-length,
+  -readability-magic-numbers,
+  -readability-uppercase-literal-suffix,
+  -readability-braces-around-statements,
+  -readability-redundant-access-specifiers,
+  -readability-else-after-return,
+  -readability-container-data-pointer,
+  -readability-implicit-bool-conversion,
+  -readability-avoid-nested-conditional-operator,
+  -readability-redundant-member-init,
+  -readability-redundant-string-init,
+  -readability-avoid-const-params-in-decls,
+  -readability-named-parameter,
+  -readability-convert-member-functions-to-static,
+  -readability-qualified-auto,
+  -readability-make-member-function-const,
+  -readability-isolate-declaration,
+  -readability-inconsistent-declaration-parameter-name,
+  -clang-diagnostic-error,
+
+CheckOptions:
+  performance-for-range-copy.WarnOnAllAutoCopies: true
+  performance-inefficient-string-concatenation.StrictMode: true
+  readability-braces-around-statements.ShortStatementLines: 0
+  readability-identifier-naming.ClassCase: CamelCase
+  readability-identifier-naming.ClassIgnoredRegexp: I.*
+  readability-identifier-naming.ClassPrefix: C # We can't use regex here?!?!?!?
+  readability-identifier-naming.EnumCase: CamelCase
+  readability-identifier-naming.EnumPrefix: e
+  readability-identifier-naming.EnumConstantCase: UPPER_CASE
+  readability-identifier-naming.FunctionCase: camelBack
+  readability-identifier-naming.NamespaceCase: CamelCase
+  readability-identifier-naming.NamespacePrefix: N
+  readability-identifier-naming.StructPrefix: S
+  readability-identifier-naming.StructCase: CamelCase

CMakeLists.txt

@@ -42,15 +42,15 @@ execute_process(
 
 include_directories(.)
 set(CMAKE_CXX_STANDARD 23)
+set(CMAKE_EXPORT_COMPILE_COMMANDS TRUE)
 add_compile_options(-DWLR_USE_UNSTABLE)
 add_compile_options(
   -Wall
   -Wextra
+  -Wuseless-cast
   -Wno-unused-parameter
   -Wno-unused-value
-  -Wno-missing-field-initializers
+  -Wno-missing-field-initializers)
-  -Wno-narrowing
-  -Wno-pointer-arith)
 find_package(Threads REQUIRED)
 
 find_package(PkgConfig REQUIRED)

src/debug/Log.cpp

@@ -2,6 +2,7 @@
 
 #include <fstream>
 #include <iostream>
+#include <print>
 
 #include "../includes.hpp"
 
@@ -38,7 +39,7 @@ void Debug::log(LogLevel level, const char* fmt, ...) {
         outputStr = (char*)malloc(logLen + 1);
 
         if (!outputStr) {
-            printf("CRITICAL: Cannot alloc size %d for log! (Out of memory?)", logLen + 1);
+            std::print("CRITICAL: Cannot alloc size {} for log! (Out of memory?)", logLen + 1);
             return;
         }
 

src/helpers/LayerSurface.cpp

@@ -2,9 +2,7 @@
 
 #include "../hyprpicker.hpp"
 
-CLayerSurface::CLayerSurface(SMonitor* pMonitor) {
+CLayerSurface::CLayerSurface(SMonitor* pMonitor) : m_pMonitor(pMonitor) {
-    m_pMonitor = pMonitor;
-
     pSurface = makeShared<CCWlSurface>(g_pHyprpicker->m_pCompositor->sendCreateSurface());
 
     if (!pSurface) {

src/helpers/PoolBuffer.cpp

@@ -11,7 +11,7 @@ SPoolBuffer::SPoolBuffer(const Vector2D& pixelSize_, uint32_t format_, uint32_t
         g_pHyprpicker->finish(1);
     }
 
-    const auto DATA = mmap(NULL, SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, FD, 0);
+    const auto DATA = mmap(nullptr, SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, FD, 0);
 
     size = SIZE;
     data = DATA;

src/hyprpicker.cpp

@@ -1,5 +1,5 @@
 #include "hyprpicker.hpp"
-#include <signal.h>
+#include <csignal>
 
 void sigHandler(int sig) {
     g_pHyprpicker->m_vLayerSurfaces.clear();
@@ -248,7 +248,7 @@ void CHyprpicker::convertBuffer(SP<SPoolBuffer> pBuffer) {
                         unsigned char green;
                         unsigned char red;
                         unsigned char alpha;
-                    }* px = (struct pixel*)(data + y * (int)pBuffer->pixelSize.x * 4 + x * 4);
+                    }* px = (struct pixel*)(data + (y * (int)pBuffer->pixelSize.x * 4) + (x * 4));
 
                     std::swap(px->red, px->blue);
                 }
@@ -262,7 +262,7 @@ void CHyprpicker::convertBuffer(SP<SPoolBuffer> pBuffer) {
 
             for (int y = 0; y < pBuffer->pixelSize.y; ++y) {
                 for (int x = 0; x < pBuffer->pixelSize.x; ++x) {
-                    uint32_t* px = (uint32_t*)(data + y * (int)pBuffer->pixelSize.x * 4 + x * 4);
+                    uint32_t* px = (uint32_t*)(data + (y * (int)pBuffer->pixelSize.x * 4) + (x * 4));
 
                     // conv to 8 bit
                     uint8_t R = (uint8_t)std::round((255.0 * (((*px) & 0b00000000000000000000001111111111) >> 0) / 1023.0));
@@ -297,15 +297,15 @@ void* CHyprpicker::convert24To32Buffer(SP<SPoolBuffer> pBuffer) {
                         unsigned char blue;
                         unsigned char green;
                         unsigned char red;
-                    }* srcPx = (struct pixel3*)(oldBuffer + y * pBuffer->stride + x * 3);
+                    }* srcPx = (struct pixel3*)(oldBuffer + (y * pBuffer->stride) + (x * 3));
                     struct pixel4 {
                         // little-endian ARGB
                         unsigned char blue;
                         unsigned char green;
                         unsigned char red;
                         unsigned char alpha;
-                    }* dstPx = (struct pixel4*)(newBuffer + y * newBufferStride + x * 4);
+                    }* dstPx = (struct pixel4*)(newBuffer + (y * newBufferStride) + (x * 4));
-                    *dstPx   = {srcPx->red, srcPx->green, srcPx->blue, 0xFF};
+                    *dstPx   = {.blue = srcPx->red, .green = srcPx->green, .red = srcPx->blue, .alpha = 0xFF};
                 }
             }
         } break;
@@ -317,15 +317,15 @@ void* CHyprpicker::convert24To32Buffer(SP<SPoolBuffer> pBuffer) {
                         unsigned char red;
                         unsigned char green;
                         unsigned char blue;
-                    }* srcPx = (struct pixel3*)(oldBuffer + y * pBuffer->stride + x * 3);
+                    }* srcPx = (struct pixel3*)(oldBuffer + (y * pBuffer->stride) + (x * 3));
                     struct pixel4 {
                         // big-endian ARGB
                         unsigned char alpha;
                         unsigned char red;
                         unsigned char green;
                         unsigned char blue;
-                    }* dstPx = (struct pixel4*)(newBuffer + y * newBufferStride + x * 4);
+                    }* dstPx = (struct pixel4*)(newBuffer + (y * newBufferStride) + (x * 4));
-                    *dstPx   = {0xFF, srcPx->red, srcPx->green, srcPx->blue};
+                    *dstPx   = {.alpha = 0xFF, .red = srcPx->red, .green = srcPx->green, .blue = srcPx->blue};
                 }
             }
         } break;
@@ -418,7 +418,7 @@ void CHyprpicker::renderSurface(CLayerSurface* pSurface, bool forceInactive) {
             cairo_matrix_init_identity(&matrix);
             cairo_matrix_translate(&matrix, CLICKPOSBUF.x + 0.5f, CLICKPOSBUF.y + 0.5f);
             cairo_matrix_scale(&matrix, 0.1f, 0.1f);
-            cairo_matrix_translate(&matrix, -CLICKPOSBUF.x / SCALEBUFS.x - 0.5f, -CLICKPOSBUF.y / SCALEBUFS.y - 0.5f);
+            cairo_matrix_translate(&matrix, (-CLICKPOSBUF.x / SCALEBUFS.x) - 0.5f, (-CLICKPOSBUF.y / SCALEBUFS.y) - 0.5f);
             cairo_pattern_set_matrix(PATTERN, &matrix);
             cairo_set_source(PCAIRO, PATTERN);
             cairo_arc(PCAIRO, CLICKPOS.x, CLICKPOS.y, 100 / SCALEBUFS.x, 0, 2 * M_PI);
@@ -518,7 +518,7 @@ CColor CHyprpicker::getColorFromPixel(CLayerSurface* pLS, Vector2D pix) {
     pix = pix.floor();
 
     if (pix.x >= pLS->screenBuffer->pixelSize.x || pix.y >= pLS->screenBuffer->pixelSize.y || pix.x < 0 || pix.y < 0)
-        return CColor{0, 0, 0, 0};
+        return CColor{.r = 0, .g = 0, .b = 0, .a = 0};
 
     void* dataSrc = pLS->screenBuffer->paddedData ? pLS->screenBuffer->paddedData : pLS->screenBuffer->data;
     struct pixel {
@@ -526,9 +526,9 @@ CColor CHyprpicker::getColorFromPixel(CLayerSurface* pLS, Vector2D pix) {
         unsigned char green;
         unsigned char red;
         unsigned char alpha;
-    }* px = (struct pixel*)((char*)dataSrc + (int)pix.y * (int)pLS->screenBuffer->pixelSize.x * 4 + (int)pix.x * 4);
+    }* px = (struct pixel*)((char*)dataSrc + ((ptrdiff_t)pix.y * (int)pLS->screenBuffer->pixelSize.x * 4) + ((ptrdiff_t)pix.x * 4));
 
-    return CColor{(uint8_t)px->red, (uint8_t)px->green, (uint8_t)px->blue, (uint8_t)px->alpha};
+    return CColor{.r = px->red, .g = px->green, .b = px->blue, .a = px->alpha};
 }
 
 void CHyprpicker::initKeyboard() {
@@ -541,7 +541,7 @@ void CHyprpicker::initKeyboard() {
             return;
         }
 
-        const char* buf = (const char*)mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
+        const char* buf = (const char*)mmap(nullptr, size, PROT_READ, MAP_SHARED, fd, 0);
         if (buf == MAP_FAILED) {
             Debug::log(ERR, "Failed to mmap xkb keymap: %d", errno);
             return;
@@ -631,7 +631,7 @@ void CHyprpicker::initMouse() {
             case OUTPUT_CMYK: {
                 // http://www.codeproject.com/KB/applications/xcmyk.aspx
 
-                float r = 1 - COL.r / 255.0f, g = 1 - COL.g / 255.0f, b = 1 - COL.b / 255.0f;
+                float r = 1 - (COL.r / 255.0f), g = 1 - (COL.g / 255.0f), b = 1 - (COL.b / 255.0f);
                 float k = fmin3(r, g, b), K = (k == 1) ? 1 : 1 - k;
                 float c = (r - k) / K, m = (g - k) / K, y = (b - k) / K;
 
@@ -661,6 +661,7 @@ void CHyprpicker::initMouse() {
 
                     return result;
                 };
+
                 auto hexR = toHex(COL.r);
                 auto hexG = toHex(COL.g);
                 auto hexB = toHex(COL.b);

src/includes.hpp

@@ -4,12 +4,11 @@
 #include <deque>
 #include <iostream>
 #include <fstream>
-#include <string.h>
+#include <cstring>
 #include <string>
 
 #include <pthread.h>
 #include <cmath>
-#include <math.h>
 
 #include "protocols/cursor-shape-v1.hpp"
 #include "protocols/fractional-scale-v1.hpp"
@@ -18,14 +17,13 @@
 #include "protocols/viewporter.hpp"
 #include "protocols/wayland.hpp"
 
-#include <assert.h>
+#include <cassert>
 #include <cairo.h>
 #include <cairo/cairo.h>
 #include <fcntl.h>
 #include <getopt.h>
-#include <stdio.h>
+#include <cstdio>
-#include <stdlib.h>
+#include <cstdlib>
-#include <string.h>
 #include <sys/mman.h>
 #include <unistd.h>
 #include <wayland-client.h>

src/main.cpp

@@ -4,7 +4,7 @@
 
 #include "hyprpicker.hpp"
 
-static void help(void) {
+static void help() {
     std::cout << "Hyprpicker usage: hyprpicker [arg [...]].\n\nArguments:\n"
               << " -a | --autocopy            | Automatically copies the output to the clipboard (requires wl-clipboard)\n"
               << " -f | --format=fmt          | Specifies the output format (cmyk, hex, rgb, hsl, hsv)\n"
@@ -25,19 +25,19 @@ int main(int argc, char** argv, char** envp) {
 
     while (true) {
         int                  option_index   = 0;
-        static struct option long_options[] = {{"autocopy", no_argument, NULL, 'a'},
+        static struct option long_options[] = {{"autocopy", no_argument, nullptr, 'a'},
-                                               {"format", required_argument, NULL, 'f'},
+                                               {"format", required_argument, nullptr, 'f'},
-                                               {"help", no_argument, NULL, 'h'},
+                                               {"help", no_argument, nullptr, 'h'},
-                                               {"no-fancy", no_argument, NULL, 'n'},
+                                               {"no-fancy", no_argument, nullptr, 'n'},
-                                               {"render-inactive", no_argument, NULL, 'r'},
+                                               {"render-inactive", no_argument, nullptr, 'r'},
-                                               {"no-zoom", no_argument, NULL, 'z'},
+                                               {"no-zoom", no_argument, nullptr, 'z'},
-                                               {"no-fractional", no_argument, NULL, 't'},
+                                               {"no-fractional", no_argument, nullptr, 't'},
-                                               {"quiet", no_argument, NULL, 'q'},
+                                               {"quiet", no_argument, nullptr, 'q'},
-                                               {"verbose", no_argument, NULL, 'v'},
+                                               {"verbose", no_argument, nullptr, 'v'},
-                                               {"disable-hex-preview", no_argument, NULL, 'd'},
+                                               {"disable-hex-preview", no_argument, nullptr, 'd'},
-                                               {"lowercase-hex", no_argument, NULL, 'l'},
+                                               {"lowercase-hex", no_argument, nullptr, 'l'},
-                                               {"version", no_argument, NULL, 'V'},
+                                               {"version", no_argument, nullptr, 'V'},
-                                               {NULL, 0, NULL, 0}};
+                                               {nullptr, 0, nullptr, 0}};
 
         int                  c = getopt_long(argc, argv, ":f:hnarzqvtdlV", long_options, &option_index);
         if (c == -1)