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all: add support for animated cursors

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This commit is contained in:
Vaxry 2024-03-07 16:21:04 +00:00
parent 6760e68a1b
commit 3dc5ca4e11
7 changed files with 94 additions and 58 deletions
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2
README.md
View file

@ -33,7 +33,7 @@ It provides C and C++ bindings.
## TODO
Library:
- [ ] Support animated cursors
- [x] Support animated cursors
- [ ] Support SVG cursors
Util:

50
hyprcursor-util/src/main.cpp
View file

@ -47,10 +47,26 @@ static Hyprlang::CParseResult parseDefineSize(const char* C, const char* V) {
return result;
}
const auto LHS = removeBeginEndSpacesTabs(VALUE.substr(0, VALUE.find_first_of(",")));
const auto RHS = removeBeginEndSpacesTabs(VALUE.substr(VALUE.find_first_of(",") + 1));
auto LHS = removeBeginEndSpacesTabs(VALUE.substr(0, VALUE.find_first_of(",")));
auto RHS = removeBeginEndSpacesTabs(VALUE.substr(VALUE.find_first_of(",") + 1));
auto DELAY = 0;
SCursorImage image;
if (RHS.contains(",")) {
const auto LL = removeBeginEndSpacesTabs(RHS.substr(0, RHS.find(",")));
const auto RR = removeBeginEndSpacesTabs(RHS.substr(RHS.find(",") + 1));
try {
image.delay = std::stoull(RR);
} catch (std::exception& e) {
result.setError(e.what());
return result;
}
RHS = LL;
}
image.filename = RHS;
try {
@ -60,7 +76,7 @@ static Hyprlang::CParseResult parseDefineSize(const char* C, const char* V) {
return result;
}
currentTheme->shapes.back().images.push_back(image);
currentTheme->shapes.back()->images.push_back(image);
return result;
}
@ -69,7 +85,7 @@ static Hyprlang::CParseResult parseOverride(const char* C, const char* V) {
Hyprlang::CParseResult result;
const std::string VALUE = V;
currentTheme->shapes.back().overrides.push_back(V);
currentTheme->shapes.back()->overrides.push_back(V);
return result;
}
@ -107,7 +123,7 @@ static std::optional<std::string> createCursorThemeFromPath(const std::string& p
for (auto& dir : std::filesystem::directory_iterator(CURSORDIR)) {
const auto METAPATH = dir.path().string() + "/meta.hl";
auto& SHAPE = currentTheme->shapes.emplace_back();
auto& SHAPE = currentTheme->shapes.emplace_back(std::make_unique<SCursorShape>());
//
std::unique_ptr<Hyprlang::CConfig> meta;
@ -124,21 +140,21 @@ static std::optional<std::string> createCursorThemeFromPath(const std::string& p
} catch (const char* err) { return "failed parsing meta (" + METAPATH + "): " + std::string{err}; }
// check if we have at least one image.
for (auto& i : SHAPE.images) {
for (auto& i : SHAPE->images) {
if (!std::filesystem::exists(dir.path().string() + "/" + i.filename))
return "meta invalid: image " + i.filename + " does not exist";
break;
}
if (SHAPE.images.empty())
if (SHAPE->images.empty())
return "meta invalid: no images for shape " + dir.path().stem().string();
SHAPE.directory = dir.path().stem().string();
SHAPE.hotspotX = std::any_cast<float>(meta->getConfigValue("hotspot_x"));
SHAPE.hotspotY = std::any_cast<float>(meta->getConfigValue("hotspot_y"));
SHAPE.resizeAlgo = stringToAlgo(std::any_cast<Hyprlang::STRING>(meta->getConfigValue("resize_algorithm")));
SHAPE->directory = dir.path().stem().string();
SHAPE->hotspotX = std::any_cast<float>(meta->getConfigValue("hotspot_x"));
SHAPE->hotspotY = std::any_cast<float>(meta->getConfigValue("hotspot_y"));
SHAPE->resizeAlgo = stringToAlgo(std::any_cast<Hyprlang::STRING>(meta->getConfigValue("resize_algorithm")));
std::cout << "Shape " << SHAPE.directory << ": \n\toverrides: " << SHAPE.overrides.size() << "\n\tsizes: " << SHAPE.images.size() << "\n";
std::cout << "Shape " << SHAPE->directory << ": \n\toverrides: " << SHAPE->overrides.size() << "\n\tsizes: " << SHAPE->images.size() << "\n";
}
// create output fs structure
@ -158,8 +174,8 @@ static std::optional<std::string> createCursorThemeFromPath(const std::string& p
// create zips (.hlc) for each
for (auto& shape : currentTheme->shapes) {
const auto CURRENTCURSORSDIR = path + "/" + CURSORSSUBDIR + "/" + shape.directory;
const auto OUTPUTFILE = out + "/" + CURSORSSUBDIR + "/" + shape.directory + ".hlc";
const auto CURRENTCURSORSDIR = path + "/" + CURSORSSUBDIR + "/" + shape->directory;
const auto OUTPUTFILE = out + "/" + CURSORSSUBDIR + "/" + shape->directory + ".hlc";
int errp = 0;
zip_t* zip = zip_open(OUTPUTFILE.c_str(), ZIP_CREATE | ZIP_EXCL, &errp);
@ -179,14 +195,14 @@ static std::optional<std::string> createCursorThemeFromPath(const std::string& p
meta = nullptr;
// add each cursor png
for (auto& i : shape.images) {
for (auto& i : shape->images) {
zip_source_t* image = zip_source_file(zip, (CURRENTCURSORSDIR + "/" + i.filename).c_str(), 0, 0);
if (!image)
return "(1) failed to add image " + (CURRENTCURSORSDIR + "/" + i.filename) + " to hlc";
if (zip_file_add(zip, (i.filename).c_str(), image, ZIP_FL_ENC_UTF_8) < 0)
return "(2) failed to add image " + i.filename + " to hlc";
std::cout << "Added image " << i.filename << " to shape " << shape.directory << "\n";
std::cout << "Added image " << i.filename << " to shape " << shape->directory << "\n";
}
// close zip and write
@ -326,7 +342,7 @@ static std::optional<std::string> extractXTheme(const std::string& xpath, const
for (auto& entry : entries) {
const auto ENTRYSTEM = entry.image.substr(entry.image.find_last_of('/') + 1);
metaString += std::format("define_size = {}, {}\n", entry.size, ENTRYSTEM);
metaString += std::format("define_size = {}, {}, {}\n", entry.size, ENTRYSTEM, entry.delay);
}
metaString += "\n";

79
libhyprcursor/hyprcursor.cpp
View file

@ -168,12 +168,12 @@ SCursorImageData** CHyprcursorManager::getShapesC(int& outSize, const char* shap
std::vector<SLoadedCursorImage*> resultingImages;
for (auto& shape : impl->theme.shapes) {
if (REQUESTEDSHAPE != shape.directory && std::find(shape.overrides.begin(), shape.overrides.end(), REQUESTEDSHAPE) == shape.overrides.end())
if (REQUESTEDSHAPE != shape->directory && std::find(shape->overrides.begin(), shape->overrides.end(), REQUESTEDSHAPE) == shape->overrides.end())
continue;
// matched :)
bool foundAny = false;
for (auto& image : impl->loadedShapes[&shape].images) {
for (auto& image : impl->loadedShapes[shape.get()].images) {
if (image->side != info.size)
continue;
@ -186,14 +186,14 @@ SCursorImageData** CHyprcursorManager::getShapesC(int& outSize, const char* shap
break;
// 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) {
if (shape->resizeAlgo != RESIZE_NONE) {
Debug::log(ERR, "getSurfaceFor didn't match a size?");
return nullptr;
}
// find nearest
int leader = 13371337;
for (auto& image : impl->loadedShapes[&shape].images) {
for (auto& image : impl->loadedShapes[shape.get()].images) {
if (std::abs((int)(image->side - info.size)) > leader)
continue;
@ -206,7 +206,7 @@ SCursorImageData** CHyprcursorManager::getShapesC(int& outSize, const char* shap
}
// we found nearest size
for (auto& image : impl->loadedShapes[&shape].images) {
for (auto& image : impl->loadedShapes[shape.get()].images) {
if (image->side != leader)
continue;
@ -225,9 +225,9 @@ SCursorImageData** CHyprcursorManager::getShapesC(int& outSize, const char* shap
// alloc and return what we need
SCursorImageData** data = (SCursorImageData**)malloc(sizeof(SCursorImageData*) * resultingImages.size());
for (size_t i = 0; i < resultingImages.size(); ++i) {
data[i] = (SCursorImageData*)malloc(sizeof(SCursorImageData));
data[i]->delay = resultingImages[i]->delay;
data[i]->size = resultingImages[i]->side;
data[i] = (SCursorImageData*)malloc(sizeof(SCursorImageData));
data[i]->delay = resultingImages[i]->delay;
data[i]->size = resultingImages[i]->side;
data[i]->surface = resultingImages[i]->cairoSurface;
}
@ -238,12 +238,12 @@ SCursorImageData** CHyprcursorManager::getShapesC(int& outSize, const char* shap
bool CHyprcursorManager::loadThemeStyle(const SCursorStyleInfo& info) {
for (auto& shape : impl->theme.shapes) {
if (shape.resizeAlgo == RESIZE_NONE)
if (shape->resizeAlgo == RESIZE_NONE)
continue; // don't resample NONE style cursors
bool sizeFound = false;
for (auto& image : impl->loadedShapes[&shape].images) {
for (auto& image : impl->loadedShapes[shape.get()].images) {
if (image->side != info.size)
continue;
@ -257,7 +257,7 @@ bool CHyprcursorManager::loadThemeStyle(const SCursorStyleInfo& info) {
// size wasn't found, let's resample.
SLoadedCursorImage* leader = nullptr;
int leaderVal = 1000000;
for (auto& image : impl->loadedShapes[&shape].images) {
for (auto& image : impl->loadedShapes[shape.get()].images) {
if (image->side < info.size)
continue;
@ -269,10 +269,7 @@ bool CHyprcursorManager::loadThemeStyle(const SCursorStyleInfo& info) {
}
if (!leader) {
for (auto& image : impl->loadedShapes[&shape].images) {
if (image->side < info.size)
continue;
for (auto& image : impl->loadedShapes[shape.get()].images) {
if (std::abs((int)(image->side - info.size)) > leaderVal)
continue;
@ -286,7 +283,7 @@ bool CHyprcursorManager::loadThemeStyle(const SCursorStyleInfo& info) {
return false;
}
auto& newImage = impl->loadedShapes[&shape].images.emplace_back(std::make_unique<SLoadedCursorImage>());
auto& newImage = impl->loadedShapes[shape.get()].images.emplace_back(std::make_unique<SLoadedCursorImage>());
newImage->artificial = true;
newImage->side = info.size;
newImage->artificialData = new char[info.size * info.size * 4];
@ -294,7 +291,7 @@ bool CHyprcursorManager::loadThemeStyle(const SCursorStyleInfo& info) {
const auto PCAIRO = cairo_create(newImage->cairoSurface);
cairo_set_antialias(PCAIRO, shape.resizeAlgo == RESIZE_BILINEAR ? CAIRO_ANTIALIAS_GOOD : CAIRO_ANTIALIAS_NONE);
cairo_set_antialias(PCAIRO, shape->resizeAlgo == RESIZE_BILINEAR ? CAIRO_ANTIALIAS_GOOD : CAIRO_ANTIALIAS_NONE);
cairo_save(PCAIRO);
cairo_set_operator(PCAIRO, CAIRO_OPERATOR_CLEAR);
@ -305,7 +302,7 @@ bool CHyprcursorManager::loadThemeStyle(const SCursorStyleInfo& info) {
cairo_pattern_set_extend(PTN, CAIRO_EXTEND_NONE);
const float scale = info.size / (float)leader->side;
cairo_scale(PCAIRO, scale, scale);
cairo_pattern_set_filter(PTN, shape.resizeAlgo == RESIZE_BILINEAR ? CAIRO_FILTER_GOOD : CAIRO_FILTER_NEAREST);
cairo_pattern_set_filter(PTN, shape->resizeAlgo == RESIZE_BILINEAR ? CAIRO_FILTER_GOOD : CAIRO_FILTER_NEAREST);
cairo_set_source(PCAIRO, PTN);
cairo_rectangle(PCAIRO, 0, 0, info.size, info.size);
@ -322,10 +319,10 @@ bool CHyprcursorManager::loadThemeStyle(const SCursorStyleInfo& info) {
void CHyprcursorManager::cursorSurfaceStyleDone(const SCursorStyleInfo& info) {
for (auto& shape : impl->theme.shapes) {
if (shape.resizeAlgo == RESIZE_NONE)
if (shape->resizeAlgo == RESIZE_NONE)
continue;
std::erase_if(impl->loadedShapes[&shape].images, [info](const auto& e) { return !e->artificial && (info.size == 0 || e->side == info.size); });
std::erase_if(impl->loadedShapes[shape.get()].images, [info](const auto& e) { return !e->artificial && (info.size == 0 || e->side == info.size); });
}
}
@ -365,10 +362,26 @@ static Hyprlang::CParseResult parseDefineSize(const char* C, const char* V) {
return result;
}
const auto LHS = removeBeginEndSpacesTabs(VALUE.substr(0, VALUE.find_first_of(",")));
const auto RHS = removeBeginEndSpacesTabs(VALUE.substr(VALUE.find_first_of(",") + 1));
auto LHS = removeBeginEndSpacesTabs(VALUE.substr(0, VALUE.find_first_of(",")));
auto RHS = removeBeginEndSpacesTabs(VALUE.substr(VALUE.find_first_of(",") + 1));
auto DELAY = 0;
SCursorImage image;
if (RHS.contains(",")) {
const auto LL = removeBeginEndSpacesTabs(RHS.substr(0, RHS.find(",")));
const auto RR = removeBeginEndSpacesTabs(RHS.substr(RHS.find(",") + 1));
try {
image.delay = std::stoull(RR);
} catch (std::exception& e) {
result.setError(e.what());
return result;
}
RHS = LL;
}
image.filename = RHS;
try {
@ -378,7 +391,7 @@ static Hyprlang::CParseResult parseDefineSize(const char* C, const char* V) {
return result;
}
currentTheme->shapes.back().images.push_back(image);
currentTheme->shapes.back()->images.push_back(image);
return result;
}
@ -387,7 +400,7 @@ static Hyprlang::CParseResult parseOverride(const char* C, const char* V) {
Hyprlang::CParseResult result;
const std::string VALUE = V;
currentTheme->shapes.back().overrides.push_back(V);
currentTheme->shapes.back()->overrides.push_back(V);
return result;
}
@ -451,8 +464,8 @@ std::optional<std::string> CHyprcursorImplementation::loadTheme() {
if (!cursor.is_regular_file())
continue;
auto& SHAPE = theme.shapes.emplace_back();
auto& LOADEDSHAPE = loadedShapes[&SHAPE];
auto& SHAPE = theme.shapes.emplace_back(std::make_unique<SCursorShape>());
auto& LOADEDSHAPE = loadedShapes[SHAPE.get()];
// extract zip to raw data.
int errp = 0;
@ -490,7 +503,7 @@ std::optional<std::string> CHyprcursorImplementation::loadTheme() {
delete[] buffer;
for (auto& i : SHAPE.images) {
for (auto& i : SHAPE->images) {
// load image
Debug::log(LOG, "Loading {} for shape {}", i.filename, cursor.path().stem().string());
auto* IMAGE = LOADEDSHAPE.images.emplace_back(std::make_unique<SLoadedCursorImage>()).get();
@ -511,6 +524,8 @@ std::optional<std::string> CHyprcursorImplementation::loadTheme() {
IMAGE->cairoSurface = cairo_image_surface_create_from_png_stream(::readPNG, IMAGE);
IMAGE->delay = i.delay;
if (const auto STATUS = cairo_surface_status(IMAGE->cairoSurface); STATUS != CAIRO_STATUS_SUCCESS) {
delete[] (char*)IMAGE->data;
IMAGE->data = nullptr;
@ -518,13 +533,13 @@ std::optional<std::string> CHyprcursorImplementation::loadTheme() {
}
}
if (SHAPE.images.empty())
if (SHAPE->images.empty())
return "meta invalid: no images for shape " + cursor.path().stem().string();
SHAPE.directory = cursor.path().stem().string();
SHAPE.hotspotX = std::any_cast<float>(meta->getConfigValue("hotspot_x"));
SHAPE.hotspotY = std::any_cast<float>(meta->getConfigValue("hotspot_y"));
SHAPE.resizeAlgo = stringToAlgo(std::any_cast<Hyprlang::STRING>(meta->getConfigValue("resize_algorithm")));
SHAPE->directory = cursor.path().stem().string();
SHAPE->hotspotX = std::any_cast<float>(meta->getConfigValue("hotspot_x"));
SHAPE->hotspotY = std::any_cast<float>(meta->getConfigValue("hotspot_y"));
SHAPE->resizeAlgo = stringToAlgo(std::any_cast<Hyprlang::STRING>(meta->getConfigValue("resize_algorithm")));
zip_discard(zip);
}

6
libhyprcursor/hyprcursor_c.cpp
View file

@ -26,10 +26,10 @@ int hyprcursor_load_theme_style(hyprcursor_manager_t* manager, hyprcursor_cursor
struct SCursorImageData** hyprcursor_get_cursor_image_data(struct hyprcursor_manager_t* manager, const char* shape, struct hyprcursor_cursor_style_info info_, int* out_size) {
const auto MGR = (CHyprcursorManager*)manager;
SCursorStyleInfo info;
info.size = info_.size;
int size = 0;
info.size = info_.size;
int size = 0;
struct SCursorImageData** data = MGR->getShapesC(size, shape, info);
*out_size = size;
*out_size = size;
return data;
}

2
libhyprcursor/internalDefines.hpp
View file

@ -23,7 +23,7 @@ struct SLoadedCursorImage {
cairo_surface_t* cairoSurface = nullptr;
int side = 0;
int delay = 0;
int delay = 0;
// means this was created by resampling
void* artificialData = nullptr;

5
libhyprcursor/internalSharedTypes.hpp
View file

@ -1,6 +1,7 @@
#pragma once
#include <string>
#include <vector>
#include <memory>
enum eResizeAlgo {
RESIZE_NONE = 0,
@ -18,7 +19,7 @@ inline eResizeAlgo stringToAlgo(const std::string& s) {
struct SCursorImage {
std::string filename;
int size = 0;
int size = 0;
int delay = 0;
};
@ -31,5 +32,5 @@ struct SCursorShape {
};
struct SCursorTheme {
std::vector<SCursorShape> shapes;
std::vector<std::unique_ptr<SCursorShape>> shapes;
};

8
tests/test.cpp
View file

@ -11,10 +11,14 @@ int main(int argc, char** argv) {
}
// get cursor for left_ptr
const auto SHAPEDATA = mgr.getShape("left_ptr", Hyprcursor::SCursorStyleInfo{.size = 48});
const auto SHAPEDATA = mgr.getShape("wait", Hyprcursor::SCursorStyleInfo{.size = 48});
if (SHAPEDATA.images.empty())
if (SHAPEDATA.images.empty()) {
std::cout << "no images\n";
return 1;
}
std::cout << "hyprcursor returned " << SHAPEDATA.images.size() << " images\n";
// save to disk
const auto RET = cairo_surface_write_to_png(SHAPEDATA.images[0].surface, "/tmp/arrow.png");