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lib: add user-defined logging

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This commit is contained in:
Vaxry 2024-03-24 20:37:31 +00:00
parent f870f0f980
commit 22a4195557
9 changed files with 170 additions and 78 deletions
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19
include/hyprcursor/hyprcursor.h
View file

@ -43,6 +43,11 @@ struct hyprcursor_cursor_style_info {
*/
CAPI struct hyprcursor_manager_t* hyprcursor_manager_create(const char* theme_name);
/*!
Same as hyprcursor_manager_create, but with a logger.
*/
CAPI struct hyprcursor_manager_t* hyprcursor_manager_create_with_logger(const char* theme_name, PHYPRCURSORLOGFUNC fn);
/*!
Free a hyprcursor_manager_t*
*/
@ -71,7 +76,8 @@ CAPI int hyprcursor_load_theme_style(struct hyprcursor_manager_t* manager, struc
Once done with a size, call hyprcursor_style_done()
*/
CAPI hyprcursor_cursor_image_data** hyprcursor_get_cursor_image_data(struct hyprcursor_manager_t* manager, const char* shape, struct hyprcursor_cursor_style_info info, int* out_size);
CAPI hyprcursor_cursor_image_data** hyprcursor_get_cursor_image_data(struct hyprcursor_manager_t* manager, const char* shape, struct hyprcursor_cursor_style_info info,
int* out_size);
/*!
Free a returned hyprcursor_cursor_image_data.
@ -83,4 +89,15 @@ CAPI void hyprcursor_cursor_image_data_free(hyprcursor_cursor_image_data** data,
*/
CAPI void hyprcursor_style_done(struct hyprcursor_manager_t* manager, struct hyprcursor_cursor_style_info info);
/*!
\since 0.1.5
Registers a logging function to a hyprcursor_manager_t*
PHYPRCURSORLOGFUNC's msg is owned by the caller and will be freed afterwards.
fn can be null to remove a logger.
*/
CAPI void hyprcursor_register_logging_function(struct hyprcursor_manager_t* manager, PHYPRCURSORLOGFUNC fn);
#endif

18
include/hyprcursor/hyprcursor.hpp
View file

@ -43,6 +43,10 @@ namespace Hyprcursor {
class CHyprcursorManager {
public:
CHyprcursorManager(const char* themeName);
/*!
\since 0.1.5
*/
CHyprcursorManager(const char* themeName, PHYPRCURSORLOGFUNC fn);
~CHyprcursorManager();
/*!
@ -99,9 +103,23 @@ namespace Hyprcursor {
*/
void cursorSurfaceStyleDone(const SCursorStyleInfo&);
/*!
\since 0.1.5
Registers a logging function to this manager.
PHYPRCURSORLOGFUNC's msg is owned by the caller and will be freed afterwards.
fn can be null to unregister a logger.
*/
void registerLoggingFunction(PHYPRCURSORLOGFUNC fn);
private:
void init(const char* themeName_);
CHyprcursorImplementation* impl = nullptr;
bool finalizedAndValid = false;
PHYPRCURSORLOGFUNC logFn = nullptr;
friend class CHyprcursorImplementation;
};
}

14
include/hyprcursor/shared.h
View file

@ -16,4 +16,18 @@ struct SCursorImageData {
typedef struct SCursorImageData hyprcursor_cursor_image_data;
enum eHyprcursorLogLevel {
HC_LOG_NONE = 0,
HC_LOG_TRACE,
HC_LOG_INFO,
HC_LOG_WARN,
HC_LOG_ERR,
HC_LOG_CRITICAL,
};
/*
msg is owned by the caller and will be freed afterwards.
*/
typedef void (*PHYPRCURSORLOGFUNC)(enum eHyprcursorLogLevel level, char* msg);
#endif

43
libhyprcursor/Log.hpp
View file

@ -1,53 +1,22 @@
#pragma once
enum eLogLevel {
TRACE = 0,
INFO,
LOG,
WARN,
ERR,
CRIT,
NONE
};
#include <string>
#include <format>
#include <iostream>
#include <hyprcursor/shared.h>
namespace Debug {
inline bool quiet = false;
inline bool verbose = false;
template <typename... Args>
void log(eLogLevel level, const std::string& fmt, Args&&... args) {
#ifndef HYPRLAND_DEBUG
// don't log in release
return;
#endif
if (!verbose && level == TRACE)
void log(eHyprcursorLogLevel level, PHYPRCURSORLOGFUNC fn, const std::string& fmt, Args&&... args) {
if (!fn)
return;
if (quiet)
return;
const std::string LOG = std::vformat(fmt, std::make_format_args(args...));
if (level != NONE) {
std::cout << '[';
switch (level) {
case TRACE: std::cout << "TRACE"; break;
case INFO: std::cout << "INFO"; break;
case LOG: std::cout << "LOG"; break;
case WARN: std::cout << "WARN"; break;
case ERR: std::cout << "ERR"; break;
case CRIT: std::cout << "CRITICAL"; break;
default: break;
}
std::cout << "] ";
}
std::cout << std::vformat(fmt, std::make_format_args(args...)) << "\n";
fn(level, (char*)LOG.c_str());
}
};

115
libhyprcursor/hyprcursor.cpp
View file

@ -18,10 +18,12 @@ constexpr const std::array<const char*, 1> systemThemeDirs = {"/usr/share/icons"
constexpr const std::array<const char*, 2> userThemeDirs = {"/.local/share/icons", "/.icons"};
//
static std::string themeNameFromEnv() {
static std::string themeNameFromEnv(PHYPRCURSORLOGFUNC logfn) {
const auto ENV = getenv("HYPRCURSOR_THEME");
if (!ENV)
if (!ENV) {
Debug::log(HC_LOG_INFO, logfn, "themeNameFromEnv: env unset");
return "";
}
return std::string{ENV};
}
@ -36,7 +38,7 @@ static bool themeAccessible(const std::string& path) {
return true;
}
static std::string getFirstTheme() {
static std::string getFirstTheme(PHYPRCURSORLOGFUNC logfn) {
// try user directories first
const auto HOMEENV = getenv("HOME");
@ -57,8 +59,10 @@ static std::string getFirstTheme() {
const auto MANIFESTPATH = themeDir.path().string() + "/manifest.hl";
if (std::filesystem::exists(MANIFESTPATH))
if (std::filesystem::exists(MANIFESTPATH)) {
Debug::log(HC_LOG_INFO, logfn, "getFirstTheme: found {}", themeDir.path().string());
return themeDir.path().stem().string();
}
}
}
@ -74,15 +78,17 @@ static std::string getFirstTheme() {
const auto MANIFESTPATH = themeDir.path().string() + "/manifest.hl";
if (std::filesystem::exists(MANIFESTPATH))
if (std::filesystem::exists(MANIFESTPATH)) {
Debug::log(HC_LOG_INFO, logfn, "getFirstTheme: found {}", themeDir.path().string());
return themeDir.path().stem().string();
}
}
}
return "";
}
static std::string getFullPathForThemeName(const std::string& name) {
static std::string getFullPathForThemeName(const std::string& name, PHYPRCURSORLOGFUNC logfn) {
const auto HOMEENV = getenv("HOME");
if (!HOMEENV)
return "";
@ -102,8 +108,10 @@ static std::string getFullPathForThemeName(const std::string& name) {
const auto MANIFESTPATH = themeDir.path().string() + "/manifest.hl";
if (name.empty()) {
if (std::filesystem::exists(MANIFESTPATH))
if (std::filesystem::exists(MANIFESTPATH)) {
Debug::log(HC_LOG_INFO, logfn, "getFullPathForThemeName: found {}", themeDir.path().string());
return std::filesystem::canonical(themeDir.path()).string();
}
continue;
}
@ -123,6 +131,7 @@ static std::string getFullPathForThemeName(const std::string& name) {
if (NAME != name)
continue;
Debug::log(HC_LOG_INFO, logfn, "getFullPathForThemeName: found {}", themeDir.path().string());
return std::filesystem::canonical(themeDir.path()).string();
}
}
@ -145,49 +154,65 @@ static std::string getFullPathForThemeName(const std::string& name) {
const auto MANIFESTPATH = themeDir.path().string() + "/manifest.hl";
if (std::filesystem::exists(MANIFESTPATH))
if (std::filesystem::exists(MANIFESTPATH)) {
Debug::log(HC_LOG_INFO, logfn, "getFullPathForThemeName: found {}", themeDir.path().string());
return std::filesystem::canonical(themeDir.path()).string();
}
}
}
if (!name.empty()) // try without name
return getFullPathForThemeName("");
if (!name.empty()) { // try without name
Debug::log(HC_LOG_INFO, logfn, "getFullPathForThemeName: failed, trying without name of {}", name);
return getFullPathForThemeName("", logfn);
}
return "";
}
CHyprcursorManager::CHyprcursorManager(const char* themeName_) {
init(themeName_);
}
CHyprcursorManager::CHyprcursorManager(const char* themeName_, PHYPRCURSORLOGFUNC fn) {
logFn = fn;
init(themeName_);
}
void CHyprcursorManager::init(const char* themeName_) {
std::string themeName = themeName_ ? themeName_ : "";
if (themeName.empty()) {
// try reading from env
themeName = themeNameFromEnv();
Debug::log(HC_LOG_INFO, logFn, "CHyprcursorManager: attempting to find theme from env");
themeName = themeNameFromEnv(logFn);
}
if (themeName.empty()) {
// try finding first, in the hierarchy
themeName = getFirstTheme();
Debug::log(HC_LOG_INFO, logFn, "CHyprcursorManager: attempting to find any theme");
themeName = getFirstTheme(logFn);
}
if (themeName.empty()) {
// holy shit we're done
Debug::log(HC_LOG_INFO, logFn, "CHyprcursorManager: no themes matched");
return;
}
// initialize theme
impl = new CHyprcursorImplementation;
impl = new CHyprcursorImplementation(this, logFn);
impl->themeName = themeName;
impl->themeFullDir = getFullPathForThemeName(themeName);
impl->themeFullDir = getFullPathForThemeName(themeName, logFn);
if (impl->themeFullDir.empty())
return;
Debug::log(LOG, "Found theme {} at {}\n", impl->themeName, impl->themeFullDir);
Debug::log(HC_LOG_INFO, logFn, "Found theme {} at {}\n", impl->themeName, impl->themeFullDir);
const auto LOADSTATUS = impl->loadTheme();
if (LOADSTATUS.has_value()) {
Debug::log(ERR, "Theme failed to load with {}\n", LOADSTATUS.value());
Debug::log(HC_LOG_ERR, logFn, "Theme failed to load with {}\n", LOADSTATUS.value());
return;
}
@ -204,6 +229,11 @@ bool CHyprcursorManager::valid() {
}
SCursorImageData** CHyprcursorManager::getShapesC(int& outSize, const char* shape_, const SCursorStyleInfo& info) {
if (!shape_) {
Debug::log(HC_LOG_ERR, logFn, "getShapesC: shape of nullptr is invalid");
return nullptr;
}
std::string REQUESTEDSHAPE = shape_;
std::vector<SLoadedCursorImage*> resultingImages;
@ -232,7 +262,7 @@ SCursorImageData** CHyprcursorManager::getShapesC(int& outSize, const char* shap
// if we get here, means loadThemeStyle wasn't called most likely. If resize algo is specified, this is an error.
if (shape->resizeAlgo != RESIZE_NONE) {
Debug::log(ERR, "getSurfaceFor didn't match a size?");
Debug::log(HC_LOG_ERR, logFn, "getSurfaceFor didn't match a size?");
return nullptr;
}
@ -246,7 +276,7 @@ SCursorImageData** CHyprcursorManager::getShapesC(int& outSize, const char* shap
}
if (leader == 13371337) { // ???
Debug::log(ERR, "getSurfaceFor didn't match any nearest size?");
Debug::log(HC_LOG_ERR, logFn, "getSurfaceFor didn't match any nearest size?");
return nullptr;
}
@ -263,7 +293,7 @@ SCursorImageData** CHyprcursorManager::getShapesC(int& outSize, const char* shap
if (foundAny)
break;
Debug::log(ERR, "getSurfaceFor didn't match any nearest size (2)?");
Debug::log(HC_LOG_ERR, logFn, "getSurfaceFor didn't match any nearest size (2)?");
return nullptr;
}
@ -280,13 +310,20 @@ SCursorImageData** CHyprcursorManager::getShapesC(int& outSize, const char* shap
outSize = resultingImages.size();
Debug::log(HC_LOG_INFO, logFn, "getShapesC: found {} images for {}", outSize, shape_);
return data;
}
bool CHyprcursorManager::loadThemeStyle(const SCursorStyleInfo& info) {
Debug::log(HC_LOG_INFO, logFn, "loadThemeStyle: loading for size {}", info.size);
for (auto& shape : impl->theme.shapes) {
if (shape->resizeAlgo == RESIZE_NONE && shape->shapeType != SHAPE_SVG)
continue; // don't resample NONE style cursors
if (shape->resizeAlgo == RESIZE_NONE && shape->shapeType != SHAPE_SVG) {
// don't resample NONE style cursors
Debug::log(HC_LOG_TRACE, logFn, "loadThemeStyle: ignoring {}", shape->directory);
continue;
}
bool sizeFound = false;
@ -327,12 +364,14 @@ bool CHyprcursorManager::loadThemeStyle(const SCursorStyleInfo& info) {
}
if (!leader) {
Debug::log(ERR, "Resampling failed to find a candidate???");
Debug::log(HC_LOG_ERR, logFn, "Resampling failed to find a candidate???");
return false;
}
const auto FRAMES = impl->getFramesFor(shape.get(), leader->side);
Debug::log(HC_LOG_TRACE, logFn, "loadThemeStyle: png shape {} has {} frames", shape->directory, FRAMES.size());
for (auto& f : FRAMES) {
auto& newImage = impl->loadedShapes[shape.get()].images.emplace_back(std::make_unique<SLoadedCursorImage>());
newImage->artificial = true;
@ -368,6 +407,8 @@ bool CHyprcursorManager::loadThemeStyle(const SCursorStyleInfo& info) {
} else if (shape->shapeType == SHAPE_SVG) {
const auto FRAMES = impl->getFramesFor(shape.get(), 0);
Debug::log(HC_LOG_TRACE, logFn, "loadThemeStyle: svg shape {} has {} frames", shape->directory, FRAMES.size());
for (auto& f : FRAMES) {
auto& newImage = impl->loadedShapes[shape.get()].images.emplace_back(std::make_unique<SLoadedCursorImage>());
newImage->artificial = true;
@ -387,14 +428,14 @@ bool CHyprcursorManager::loadThemeStyle(const SCursorStyleInfo& info) {
RsvgHandle* handle = rsvg_handle_new_from_data((unsigned char*)f->data, f->dataLen, &error);
if (!handle) {
Debug::log(ERR, "Failed reading svg: {}", error->message);
Debug::log(HC_LOG_ERR, logFn, "Failed reading svg: {}", error->message);
return false;
}
RsvgRectangle rect = {0, 0, (double)info.size, (double)info.size};
if (!rsvg_handle_render_document(handle, PCAIRO, &rect, &error)) {
Debug::log(ERR, "Failed rendering svg: {}", error->message);
Debug::log(HC_LOG_ERR, logFn, "Failed rendering svg: {}", error->message);
return false;
}
@ -403,7 +444,7 @@ bool CHyprcursorManager::loadThemeStyle(const SCursorStyleInfo& info) {
cairo_destroy(PCAIRO);
}
} else {
Debug::log(ERR, "Invalid shapetype in loadThemeStyle");
Debug::log(HC_LOG_ERR, logFn, "Invalid shapetype in loadThemeStyle");
return false;
}
}
@ -433,6 +474,10 @@ void CHyprcursorManager::cursorSurfaceStyleDone(const SCursorStyleInfo& info) {
}
}
void CHyprcursorManager::registerLoggingFunction(PHYPRCURSORLOGFUNC fn) {
logFn = fn;
}
/*
Implementation
@ -535,7 +580,6 @@ static cairo_status_t readPNG(void* data, unsigned char* output, unsigned int le
if (DATA->readNeedle >= DATA->dataLen) {
delete[] (char*)DATA->data;
DATA->data = nullptr;
Debug::log(TRACE, "cairo: png read, freeing mem");
}
return CAIRO_STATUS_SUCCESS;
@ -563,7 +607,7 @@ std::optional<std::string> CHyprcursorImplementation::loadTheme() {
manifest->commence();
manifest->parse();
} catch (const char* err) {
Debug::log(ERR, "Failed parsing manifest due to {}", err);
Debug::log(HC_LOG_ERR, logFn, "Failed parsing manifest due to {}", err);
return std::string{"failed: "} + err;
}
@ -574,8 +618,10 @@ std::optional<std::string> CHyprcursorImplementation::loadTheme() {
return "loadTheme: cursors_directory missing or empty";
for (auto& cursor : std::filesystem::directory_iterator(CURSORDIR)) {
if (!cursor.is_regular_file())
if (!cursor.is_regular_file()) {
Debug::log(HC_LOG_TRACE, logFn, "loadTheme: skipping {}", cursor.path().string());
continue;
}
auto& SHAPE = theme.shapes.emplace_back(std::make_unique<SCursorShape>());
auto& LOADEDSHAPE = loadedShapes[SHAPE.get()];
@ -612,7 +658,10 @@ std::optional<std::string> CHyprcursorImplementation::loadTheme() {
meta->registerHandler(::parseOverride, "define_override", {.allowFlags = false});
meta->commence();
meta->parse();
} catch (const char* err) { return "failed parsing meta: " + std::string{err}; }
} catch (const char* err) {
delete[] buffer;
return "failed parsing meta: " + std::string{err};
}
delete[] buffer;
@ -623,7 +672,7 @@ std::optional<std::string> CHyprcursorImplementation::loadTheme() {
else if (i.filename.ends_with(".png"))
SHAPE->shapeType = SHAPE_PNG;
else {
std::cout << "WARNING: image " << i.filename << " has no known extension, assuming png.\n";
Debug::log(HC_LOG_WARN, logFn, "WARNING: image {} has no known extension, assuming png.", i.filename);
SHAPE->shapeType = SHAPE_PNG;
}
} else {
@ -634,7 +683,7 @@ std::optional<std::string> CHyprcursorImplementation::loadTheme() {
}
// load image
Debug::log(TRACE, "Loading {} for shape {}", i.filename, cursor.path().stem().string());
Debug::log(HC_LOG_TRACE, logFn, "Loading {} for shape {}", i.filename, cursor.path().stem().string());
auto* IMAGE = LOADEDSHAPE.images.emplace_back(std::make_unique<SLoadedCursorImage>()).get();
IMAGE->side = SHAPE->shapeType == SHAPE_SVG ? 0 : i.size;
IMAGE->delay = i.delay;
@ -651,7 +700,7 @@ std::optional<std::string> CHyprcursorImplementation::loadTheme() {
zip_fclose(image_file);
Debug::log(TRACE, "Cairo: set up surface read");
Debug::log(HC_LOG_TRACE, logFn, "Cairo: set up surface read");
if (SHAPE->shapeType == SHAPE_PNG) {
@ -663,7 +712,7 @@ std::optional<std::string> CHyprcursorImplementation::loadTheme() {
return "Failed reading cairoSurface, status " + std::to_string((int)STATUS);
}
} else {
Debug::log(LOG, "Skipping cairo load for a svg surface");
Debug::log(HC_LOG_TRACE, logFn, "Skipping cairo load for a svg surface");
}
}

9
libhyprcursor/hyprcursor_c.cpp
View file

@ -7,6 +7,10 @@ hyprcursor_manager_t* hyprcursor_manager_create(const char* theme_name) {
return (hyprcursor_manager_t*)new CHyprcursorManager(theme_name);
}
hyprcursor_manager_t* hyprcursor_manager_create_with_logger(const char* theme_name, PHYPRCURSORLOGFUNC fn) {
return (hyprcursor_manager_t*)new CHyprcursorManager(theme_name, fn);
}
void hyprcursor_manager_free(hyprcursor_manager_t* manager) {
delete (CHyprcursorManager*)manager;
}
@ -47,3 +51,8 @@ void hyprcursor_style_done(hyprcursor_manager_t* manager, hyprcursor_cursor_styl
info.size = info_.size;
return MGR->cursorSurfaceStyleDone(info);
}
void hyprcursor_register_logging_function(struct hyprcursor_manager_t* manager, PHYPRCURSORLOGFUNC fn) {
const auto MGR = (CHyprcursorManager*)manager;
MGR->registerLoggingFunction(fn);
}

13
libhyprcursor/internalDefines.hpp
View file

@ -37,10 +37,17 @@ struct SLoadedCursorShape {
class CHyprcursorImplementation {
public:
std::string themeName;
std::string themeFullDir;
CHyprcursorImplementation(Hyprcursor::CHyprcursorManager* mgr, PHYPRCURSORLOGFUNC fn) : owner(mgr), logFn(fn) {
;
}
SCursorTheme theme;
Hyprcursor::CHyprcursorManager* owner = nullptr;
PHYPRCURSORLOGFUNC logFn = nullptr;
std::string themeName;
std::string themeFullDir;
SCursorTheme theme;
//
std::unordered_map<SCursorShape*, SLoadedCursorShape> loadedShapes;

7
tests/test.c
View file

@ -2,13 +2,18 @@
#include <stdio.h>
#include <stdlib.h>
void logFunction(enum eHyprcursorLogLevel level, char* message) {
printf("[hc] %s\n", message);
}
int main(int argc, char** argv) {
struct hyprcursor_manager_t* mgr = hyprcursor_manager_create(NULL);
struct hyprcursor_manager_t* mgr = hyprcursor_manager_create_with_logger(NULL, logFunction);
if (!mgr) {
printf("mgr null\n");
return 1;
}
if (!hyprcursor_manager_valid(mgr)) {
printf("mgr is invalid\n");
return 1;

6
tests/test.cpp
View file

@ -1,8 +1,12 @@
#include <iostream>
#include <hyprcursor/hyprcursor.hpp>
void logFunction(enum eHyprcursorLogLevel level, char* message) {
std::cout << "[hc] " << message << "\n";
}
int main(int argc, char** argv) {
Hyprcursor::CHyprcursorManager mgr(nullptr);
Hyprcursor::CHyprcursorManager mgr(nullptr, logFunction);
if (!mgr.valid()) {
std::cout << "mgr is invalid\n";