tests: add C tests and fixup api

CMakeLists.txt

@@ -61,9 +61,14 @@ add_custom_target(tests)
 
 add_executable(hyprcursor_test "tests/test.cpp")
 target_link_libraries(hyprcursor_test PRIVATE hyprcursor)
-add_test(NAME "Test libhyprcursor" WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/tests COMMAND hyprcursor_test)
+add_test(NAME "Test libhyprcursor in C++" WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/tests COMMAND hyprcursor_test)
 add_dependencies(tests hyprcursor_test)
 
+add_executable(hyprcursor_test_c "tests/test.c")
+target_link_libraries(hyprcursor_test_c PRIVATE hyprcursor)
+add_test(NAME "Test libhyprcursor in C" WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/tests COMMAND hyprcursor_test_c)
+add_dependencies(tests hyprcursor_test_c)
+
 # Installation
 install(TARGETS hyprcursor
         PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}

include/hyprcursor.h

@@ -12,8 +12,21 @@
 
 #endif
 
+#include <cairo/cairo.h>
+
 struct hyprcursor_manager_t;
 
+/*!
+    Simple struct for styles
+*/
+struct hyprcursor_cursor_style_info {
+    /*!
+        Shape size.
+        0 means "any" or "unspecified".
+    */
+    unsigned int size;
+};
+
 /*!
     Basic Hyprcursor manager.
 
@@ -28,17 +41,37 @@ struct hyprcursor_manager_t;
 
     The caller gets the ownership, call hyprcursor_manager_free to free this object.
 */
-CAPI hyprcursor_manager_t* hyprcursor_manager_create(const char* theme_name);
+CAPI struct hyprcursor_manager_t* hyprcursor_manager_create(const char* theme_name);
 
 /*!
     Free a hyprcursor_manager_t*
 */
-CAPI void hyprcursor_manager_free(hyprcursor_manager_t* manager);
+CAPI void hyprcursor_manager_free(struct hyprcursor_manager_t* manager);
 
 /*!
     Returns true if the theme was successfully loaded,
     i.e. everything is A-OK and nothing should fail.
 */
-CAPI bool hyprcursor_manager_valid(hyprcursor_manager_t* manager);
+CAPI int hyprcursor_manager_valid(struct hyprcursor_manager_t* manager);
+
+/*!
+    Loads a theme at a given style, synchronously.
+
+    Returns whether it succeeded.
+*/
+CAPI int hyprcursor_load_theme_style(struct hyprcursor_manager_t* manager, struct hyprcursor_cursor_style_info info);
+
+/*!
+    Returns a cairo_surface_t for a given cursor
+    shape and size.
+
+    Once done with a size, call hyprcursor_style_done()
+*/
+CAPI cairo_surface_t* hyprcursor_get_surface_for(struct hyprcursor_manager_t* manager, const char* shape, struct hyprcursor_cursor_style_info info);
+
+/*!
+    Marks a certain style as done, allowing it to be potentially freed
+*/
+CAPI void hyprcursor_style_done(struct hyprcursor_manager_t* manager, struct hyprcursor_cursor_style_info info);
 
 #endif

include/hyprcursor.hpp

@@ -10,7 +10,7 @@ namespace Hyprcursor {
         Simple struct for styles
     */
     struct SCursorStyleInfo {
-        /*
+        /*!
             Shape size.
 
             0 means "any" or "unspecified".
@@ -43,6 +43,8 @@ namespace Hyprcursor {
 
         /*!
             Loads this theme at a given style, synchronously.
+
+            Returns whether it succeeded.
         */
         bool loadThemeStyle(const SCursorStyleInfo& info);
 

libhyprcursor/hyprcursor_c.cpp

@@ -11,7 +11,28 @@ void hyprcursor_manager_free(hyprcursor_manager_t* manager) {
     delete (CHyprcursorManager*)manager;
 }
 
-bool hyprcursor_manager_valid(hyprcursor_manager_t* manager) {
+int hyprcursor_manager_valid(hyprcursor_manager_t* manager) {
     const auto MGR = (CHyprcursorManager*)manager;
     return MGR->valid();
 }
+
+int hyprcursor_load_theme_style(hyprcursor_manager_t* manager, hyprcursor_cursor_style_info info_) {
+    const auto       MGR = (CHyprcursorManager*)manager;
+    SCursorStyleInfo info;
+    info.size = info_.size;
+    return MGR->loadThemeStyle(info);
+}
+
+cairo_surface_t* hyprcursor_get_surface_for(hyprcursor_manager_t* manager, const char* shape, hyprcursor_cursor_style_info info_) {
+    const auto       MGR = (CHyprcursorManager*)manager;
+    SCursorStyleInfo info;
+    info.size = info_.size;
+    return MGR->getSurfaceFor(shape, info);
+}
+
+void hyprcursor_style_done(hyprcursor_manager_t* manager, hyprcursor_cursor_style_info info_) {
+    const auto       MGR = (CHyprcursorManager*)manager;
+    SCursorStyleInfo info;
+    info.size = info_.size;
+    return MGR->cursorSurfaceStyleDone(info);
+}

tests/test.c

@@ -0,0 +1,33 @@
+#include <hyprcursor.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(int argc, char** argv) {
+    struct hyprcursor_manager_t* mgr = hyprcursor_manager_create(NULL);
+
+    if (!mgr) {
+        printf("mgr null\n");
+        return 1;
+    }
+
+    struct hyprcursor_cursor_style_info info = {.size = 48};
+    if (!hyprcursor_load_theme_style(mgr, info)) {
+        printf("load failed\n");
+        return 1;
+    }
+
+    cairo_surface_t* surf = hyprcursor_get_surface_for(mgr, "left_ptr", info);
+    if (surf == NULL) {
+        printf("surf failed\n");
+        return 1;
+    }
+
+    int ret = cairo_surface_write_to_png(surf, "/tmp/arrowC.png");
+
+    if (ret) {
+        printf("cairo failed\n");
+        return 1;
+    }
+
+    return 0;
+}

tests/test.cpp

@@ -1,6 +1,5 @@
 #include <iostream>
 #include <hyprcursor.hpp>
-#include <cairo/cairo.h>
 
 int main(int argc, char** argv) {
     Hyprcursor::CHyprcursorManager mgr(nullptr);
@@ -19,5 +18,8 @@ int main(int argc, char** argv) {
 
     std::cout << "Cairo returned for write: " << RET << "\n";
 
+    if (RET)
+        return 1;
+
     return !mgr.valid();
 }