6 files changed, 122 insertions, 0 deletions
diff --git a/include/alloc.h b/include/alloc.h
new file mode 100644
index 0000000..272326e
--- /dev/null
+++ b/include/alloc.h
@@ -0,0 +1,10 @@
+#ifndef MGUI_ALLOC_H
+#define MGUI_ALLOC_H
+
+#include <stddef.h>
+
+void* mgui_alloc(size_t size);
+void* mgui_realloc(void *mem, size_t new_size);
+void mgui_free(void *mem);
+
+#endif /* MGUI_ALLOC_H */
diff --git a/include/common.h b/include/common.h
new file mode 100644
index 0000000..3fb4f6f
--- /dev/null
+++ b/include/common.h
@@ -0,0 +1,9 @@
+#ifndef MGUI_COMMON_H
+#define MGUI_COMMON_H
+
+#include <mgl/system/vec.h>
+#include <stdbool.h>
+
+bool mgui_rectangle_contains(mgl_vec2f rectangle_pos, mgl_vec2f rectangle_size, mgl_vec2f point);
+
+#endif /* MGUI_COMMON_H */
diff --git a/include/mgui/button.h b/include/mgui/button.h
new file mode 100644
index 0000000..8f9a2db
--- /dev/null
+++ b/include/mgui/button.h
@@ -0,0 +1,22 @@
+#ifndef MGUI_BUTTON_H
+#define MGUI_BUTTON_H
+
+#include <mgl/graphics/rectangle.h>
+#include <mgl/graphics/text.h>
+#include "widget.h"
+
+typedef struct {
+    mgui_widget widget;
+    mgl_rectangle background;
+    mgl_text label;
+} mgui_button;
+
+mgui_button* mgui_button_create();
+mgui_widget* mgui_button_to_widget(mgui_button *list);
+mgui_button* mgui_widget_to_button(mgui_widget *widget);
+
+void mgui_button_set_position(mgui_button *self, mgl_vec2i position);
+void mgui_button_on_event(mgui_button *self, mgl_window *window, mgl_event *event);
+void mgui_button_draw(mgui_button *self, mgl_window *window);
+
+#endif /* MGUI_BUTTON_H */
diff --git a/include/mgui/list.h b/include/mgui/list.h
new file mode 100644
index 0000000..1da326d
--- /dev/null
+++ b/include/mgui/list.h
@@ -0,0 +1,33 @@
+#ifndef MGUI_LIST_H
+#define MGUI_LIST_H
+
+#include "widget.h"
+#include <stddef.h>
+
+typedef struct mgl_window mgl_window;
+typedef struct mgl_event mgl_event;
+
+typedef enum {
+    MGUI_LIST_HORIZONITAL,
+    MGUI_LIST_VERTICAL
+} mgui_list_direction;
+
+typedef struct {
+    mgui_widget widget;
+    mgui_list_direction direction;
+    mgl_vec2i position;
+    mgui_widget **items;
+    size_t num_items;
+    size_t items_capacity;
+} mgui_list;
+
+mgui_list* mgui_list_create(mgui_list_direction direction);
+mgui_widget* mgui_list_to_widget(mgui_list *list);
+mgui_list* mgui_widget_to_list(mgui_widget *widget);
+
+void mgui_list_set_position(mgui_list *self, mgl_vec2i position);
+void mgui_list_append(mgui_list *self, mgui_widget *widget);
+void mgui_list_on_event(mgui_list *self, mgl_window *window, mgl_event *event);
+void mgui_list_draw(mgui_list *self, mgl_window *window);
+
+#endif /* MGUI_LIST_H */
diff --git a/include/mgui/widget.h b/include/mgui/widget.h
new file mode 100644
index 0000000..60f850c
--- /dev/null
+++ b/include/mgui/widget.h
@@ -0,0 +1,33 @@
+#ifndef MGUI_WIDGET_H
+#define MGUI_WIDGET_H
+
+#include <mgl/system/vec.h>
+
+typedef struct mgl_window mgl_window;
+typedef struct mgl_event mgl_event;
+typedef struct mgui_widget mgui_widget;
+
+typedef enum {
+    MGUI_WIDGET_LIST,
+    MGUI_WIDGET_BUTTON
+} mgui_widget_type;
+
+typedef struct {
+    int left;
+    int top;
+    int right;
+    int bottom;
+} mgui_margin;
+
+struct mgui_widget {
+    mgui_widget_type type;
+    mgui_margin margin;
+};
+
+void mgui_widget_init(mgui_widget *self, mgui_widget_type type);
+void mgui_widget_set_margin(mgui_widget *self, int left, int top, int right, int bottom);
+void mgui_widget_set_position(mgui_widget *self, mgl_vec2i position);
+void mgui_widget_on_event(mgui_widget *self, mgl_window *window, mgl_event *event);
+void mgui_widget_draw(mgui_widget *self, mgl_window *window);
+
+#endif /* MGUI_WIDGET_H */
diff --git a/include/resource_loader.h b/include/resource_loader.h
new file mode 100644
index 0000000..6120faa
--- /dev/null
+++ b/include/resource_loader.h
@@ -0,0 +1,15 @@
+#ifndef MGUI_RESOURCE_LOADER_H
+#define MGUI_RESOURCE_LOADER_H
+
+typedef struct mgl_font mgl_font;
+
+typedef enum {
+    MGUI_FONT_LATIN,
+    MGUI_FONT_LATIN_BOLD,
+    MGUI_FONT_CJK
+} mgui_font_type;
+
+/* Note: can return NULL if the font fails to load */
+mgl_font* mgui_get_font(mgui_font_type type, unsigned int character_size);
+
+#endif /* MGUI_RESOURCE_LOADER_H */