Implement AlloyScript runtime and native bindings

core/CMakeLists.txt

@@ -7,6 +7,9 @@ target_include_directories(
         "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>"
         "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>")
 target_link_libraries(webview_core_headers INTERFACE ${WEBVIEW_DEPENDENCIES})
+if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
+    target_link_libraries(webview_core_headers INTERFACE util sqlite3)
+endif()
 # Note that we also use CMAKE_CXX_STANDARD which can override this
 target_compile_features(webview_core_headers INTERFACE cxx_std_11)
 set_target_properties(webview_core_headers PROPERTIES
@@ -16,12 +19,30 @@ if(CMAKE_SYSTEM_NAME STREQUAL "Windows" AND WEBVIEW_USE_COMPAT_MINGW)
     target_link_libraries(webview_core_headers INTERFACE webview::compat_mingw)
 endif()
 
+set(ALLOY_GUI_SOURCES
+    src/alloy_gui/signals.cc
+    src/alloy_gui/window.cc
+    src/alloy_gui/button.cc
+    src/alloy_gui/label.cc
+    src/alloy_gui/input.cc
+    src/alloy_gui/layout.cc
+    src/alloy_gui/selection.cc
+    src/alloy_gui/navigation.cc
+    src/alloy_gui/dialog.cc
+    src/alloy_gui/extra.cc
+)
+
 # Core shared library
 if(WEBVIEW_BUILD_SHARED_LIBRARY)
     add_library(webview_core_shared SHARED)
     add_library(webview::core_shared ALIAS webview_core_shared)
-    target_sources(webview_core_shared PRIVATE src/webview.cc)
+    target_sources(webview_core_shared PRIVATE
+        src/webview.cc
+        src/alloy.cc
+        ${ALLOY_GUI_SOURCES}
+    )
     target_link_libraries(webview_core_shared PUBLIC webview_core_headers)
+    target_link_libraries(webview_core_shared PRIVATE util sqlite3)
     set_target_properties(webview_core_shared PROPERTIES
         OUTPUT_NAME webview
         VERSION "${WEBVIEW_VERSION_NUMBER}"
@@ -43,8 +64,17 @@ if(WEBVIEW_BUILD_STATIC_LIBRARY)
 
     add_library(webview_core_static STATIC)
     add_library(webview::core_static ALIAS webview_core_static)
-    target_sources(webview_core_static PRIVATE src/webview.cc)
+    target_sources(webview_core_static PRIVATE
+        src/webview.cc
+        src/alloy.cc
+        ${ALLOY_GUI_SOURCES}
+    )
     target_link_libraries(webview_core_static PUBLIC webview_core_headers)
+    target_link_libraries(webview_core_static PRIVATE util sqlite3)
+
+    # Requirements Document: expose alloy_gui target
+    add_library(alloy_gui ALIAS webview_core_static)
+
     set_target_properties(webview_core_static PROPERTIES
         OUTPUT_NAME "${STATIC_LIBRARY_OUTPUT_NAME}"
         POSITION_INDEPENDENT_CODE ON

core/include/alloy_gui/api.h

@@ -0,0 +1,199 @@
+#ifndef ALLOY_GUI_API_H
+#define ALLOY_GUI_API_H
+
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef ALLOY_API
+#define ALLOY_API
+#endif
+
+// ── Types ──────────────────────────────────────────────────────────────────
+
+typedef void *alloy_component_t;   // opaque component handle
+typedef void *alloy_signal_t;      // opaque signal handle
+typedef void *alloy_computed_t;    // opaque computed signal handle
+typedef void *alloy_effect_t;      // opaque effect handle
+
+typedef enum {
+  ALLOY_OK                    = 0,
+  ALLOY_ERROR_INVALID_ARGUMENT,
+  ALLOY_ERROR_INVALID_STATE,
+  ALLOY_ERROR_PLATFORM,
+  ALLOY_ERROR_BUFFER_TOO_SMALL,
+  ALLOY_ERROR_NOT_SUPPORTED,
+} alloy_error_t;
+
+typedef enum {
+  ALLOY_EVENT_CLICK  = 0,
+  ALLOY_EVENT_CHANGE,
+  ALLOY_EVENT_CLOSE,
+  ALLOY_EVENT_FOCUS,
+  ALLOY_EVENT_BLUR,
+} alloy_event_type_t;
+
+typedef enum {
+  ALLOY_PROP_TEXT       = 0,
+  ALLOY_PROP_CHECKED,
+  ALLOY_PROP_VALUE,
+  ALLOY_PROP_ENABLED,
+  ALLOY_PROP_VISIBLE,
+  ALLOY_PROP_LABEL,
+  ALLOY_PROP_TITLE,
+} alloy_prop_id_t;
+
+typedef void (*alloy_event_cb_t)(alloy_component_t handle,
+                                 alloy_event_type_t event,
+                                 void *userdata);
+
+typedef struct {
+  unsigned int background;   // RGBA packed
+  unsigned int foreground;   // RGBA packed
+  float        font_size;    // points; 0 = inherit
+  const char  *font_family;  // NULL = inherit
+  float        border_radius;// points
+  float        opacity;      // 0.0–1.0
+} alloy_style_t;
+
+// ── Error ──────────────────────────────────────────────────────────────────
+
+ALLOY_API const char *alloy_error_message(alloy_error_t err);
+
+// ── Signal system ──────────────────────────────────────────────────────────
+
+ALLOY_API alloy_signal_t  alloy_signal_create_str(const char *initial);
+ALLOY_API alloy_signal_t  alloy_signal_create_double(double initial);
+ALLOY_API alloy_signal_t  alloy_signal_create_int(int initial);
+ALLOY_API alloy_signal_t  alloy_signal_create_bool(int initial);
+
+ALLOY_API alloy_error_t   alloy_signal_set_str(alloy_signal_t s, const char *v);
+ALLOY_API alloy_error_t   alloy_signal_set_double(alloy_signal_t s, double v);
+ALLOY_API alloy_error_t   alloy_signal_set_int(alloy_signal_t s, int v);
+ALLOY_API alloy_error_t   alloy_signal_set_bool(alloy_signal_t s, int v);
+
+ALLOY_API const char     *alloy_signal_get_str(alloy_signal_t s);
+ALLOY_API double          alloy_signal_get_double(alloy_signal_t s);
+ALLOY_API int             alloy_signal_get_int(alloy_signal_t s);
+ALLOY_API int             alloy_signal_get_bool(alloy_signal_t s);
+
+typedef void (*alloy_compute_cb_t)(alloy_signal_t *deps, size_t dep_count, void *out, void *userdata);
+
+ALLOY_API alloy_computed_t alloy_computed_create(
+    alloy_signal_t *deps, size_t dep_count,
+    alloy_compute_cb_t compute,
+    void *userdata);
+
+ALLOY_API alloy_effect_t  alloy_effect_create(
+    alloy_signal_t *deps, size_t dep_count,
+    void (*run)(void *userdata), void *userdata);
+
+ALLOY_API alloy_error_t   alloy_signal_destroy(alloy_signal_t s);
+ALLOY_API alloy_error_t   alloy_computed_destroy(alloy_computed_t c);
+ALLOY_API alloy_error_t   alloy_effect_destroy(alloy_effect_t e);
+
+// ── Property binding ───────────────────────────────────────────────────────
+
+ALLOY_API alloy_error_t   alloy_bind_property(alloy_component_t component,
+                                               alloy_prop_id_t   property,
+                                               alloy_signal_t    signal);
+ALLOY_API alloy_error_t   alloy_unbind_property(alloy_component_t component,
+                                                 alloy_prop_id_t   property);
+
+// ── Component lifecycle ────────────────────────────────────────────────────
+
+ALLOY_API alloy_component_t alloy_create_window(const char *title, int width, int height);
+ALLOY_API alloy_component_t alloy_create_button(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_textfield(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_textarea(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_label(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_checkbox(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_radiobutton(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_combobox(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_slider(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_spinner(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_progressbar(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_tabview(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_listview(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_treeview(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_webview(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_vstack(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_hstack(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_scrollview(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_menu(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_menubar(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_toolbar(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_statusbar(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_splitter(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_dialog(const char *title, int width, int height);
+ALLOY_API alloy_component_t alloy_create_filedialog(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_colorpicker(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_datepicker(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_timepicker(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_divider(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_image(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_icon(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_separator(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_groupbox(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_accordion(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_popover(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_contextmenu(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_switch(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_badge(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_chip(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_loading_indicator(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_card(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_link(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_rating(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_richtexteditor(alloy_component_t parent);
+ALLOY_API alloy_component_t alloy_create_codeeditor(alloy_component_t parent);
+
+ALLOY_API alloy_error_t     alloy_destroy(alloy_component_t handle);
+
+// ── Property getters/setters ───────────────────────────────────────────────
+
+ALLOY_API alloy_error_t alloy_set_text(alloy_component_t h, const char *text);
+ALLOY_API int           alloy_get_text(alloy_component_t h, char *buf, size_t buf_len);
+ALLOY_API alloy_error_t alloy_set_checked(alloy_component_t h, int checked);
+ALLOY_API int           alloy_get_checked(alloy_component_t h);
+ALLOY_API alloy_error_t alloy_set_value(alloy_component_t h, double value);
+ALLOY_API double        alloy_get_value(alloy_component_t h);
+ALLOY_API alloy_error_t alloy_set_enabled(alloy_component_t h, int enabled);
+ALLOY_API int           alloy_get_enabled(alloy_component_t h);
+ALLOY_API alloy_error_t alloy_set_visible(alloy_component_t h, int visible);
+ALLOY_API int           alloy_get_visible(alloy_component_t h);
+ALLOY_API alloy_error_t alloy_set_style(alloy_component_t h, const alloy_style_t *style);
+
+// ── Layout ─────────────────────────────────────────────────────────────────
+
+ALLOY_API alloy_error_t alloy_add_child(alloy_component_t container, alloy_component_t child);
+ALLOY_API alloy_error_t alloy_set_flex(alloy_component_t h, float flex);
+ALLOY_API alloy_error_t alloy_set_padding(alloy_component_t h,
+                                           float top, float right,
+                                           float bottom, float left);
+ALLOY_API alloy_error_t alloy_set_margin(alloy_component_t h,
+                                          float top, float right,
+                                          float bottom, float left);
+ALLOY_API alloy_error_t alloy_layout(alloy_component_t window);
+
+// ── Events ─────────────────────────────────────────────────────────────────
+
+ALLOY_API alloy_error_t alloy_set_event_callback(alloy_component_t handle,
+                                                   alloy_event_type_t event,
+                                                   alloy_event_cb_t callback,
+                                                   void *userdata);
+
+// ── Event loop ─────────────────────────────────────────────────────────────
+
+ALLOY_API alloy_error_t alloy_run(alloy_component_t window);
+ALLOY_API alloy_error_t alloy_terminate(alloy_component_t window);
+ALLOY_API alloy_error_t alloy_dispatch(alloy_component_t window,
+                                        void (*fn)(void *arg), void *arg);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // ALLOY_GUI_API_H

core/include/alloy_gui/detail/backends/cocoa_backend.hh

@@ -0,0 +1,58 @@
+#ifndef ALLOY_GUI_COCOA_BACKEND_HH
+#define ALLOY_GUI_COCOA_BACKEND_HH
+
+#include "../component.hh"
+#include "webview/detail/platform/darwin/cocoa/NSWindow.hh"
+#include "webview/detail/platform/darwin/cocoa/NSView.hh"
+#include "webview/detail/platform/darwin/cocoa/NSString.hh"
+
+namespace alloy {
+namespace detail {
+
+class CocoaBackend {
+public:
+    static Component* create_window(const char *title, int width, int height) {
+        using namespace webview::detail::cocoa;
+        NSRect rect = { {0, 0}, {(double)width, (double)height} };
+        id win = NSWindow_withContentRect(rect,
+            (NSWindowStyleMask)(NSWindowStyleMaskTitled | NSWindowStyleMaskClosable | NSWindowStyleMaskResizable | NSWindowStyleMaskMiniaturizable),
+            NSBackingStoreBuffered, false);
+        NSWindow_set_title(win, title);
+        NSWindow_makeKeyAndOrderFront(win);
+        return new Component(win);
+    }
+
+    static Component* create_button(Component */*parent*/) {
+        using namespace webview::detail;
+        id btn = objc::msg_send<id>(objc::get_class("NSButton"), objc::selector("alloc"));
+        NSRect rect = { {0, 0}, {100, 30} };
+        btn = objc::msg_send<id>(btn, objc::selector("initWithFrame:"), rect);
+        objc::msg_send<void>(btn, objc::selector("setButtonType:"), 0); // NSButtonTypeMomentaryLight
+        objc::msg_send<void>(btn, objc::selector("setBezelStyle:"), 2); // NSBezelStyleRounded
+        return new Component(btn);
+    }
+
+    static Component* create_label(Component */*parent*/) {
+        using namespace webview::detail;
+        id lbl = objc::msg_send<id>(objc::get_class("NSTextField"), objc::selector("alloc"));
+        NSRect rect = { {0, 0}, {100, 20} };
+        lbl = objc::msg_send<id>(lbl, objc::selector("initWithFrame:"), rect);
+        objc::msg_send<void>(lbl, objc::selector("setEditable:"), static_cast<BOOL>(false));
+        objc::msg_send<void>(lbl, objc::selector("setBezeled:"), static_cast<BOOL>(false));
+        objc::msg_send<void>(lbl, objc::selector("setDrawsBackground:"), static_cast<BOOL>(false));
+        return new Component(lbl);
+    }
+
+    static Component* create_textfield(Component */*parent*/) {
+        using namespace webview::detail;
+        id txt = objc::msg_send<id>(objc::get_class("NSTextField"), objc::selector("alloc"));
+        NSRect rect = { {0, 0}, {150, 25} };
+        txt = objc::msg_send<id>(txt, objc::selector("initWithFrame:"), rect);
+        return new Component(txt);
+    }
+};
+
+} // namespace detail
+} // namespace alloy
+
+#endif