1 files changed, 81 insertions, 0 deletions
diff --git a/src/gui/window.c b/src/gui/window.c
new file mode 100644
index 0000000..cd62e47
--- /dev/null
+++ b/src/gui/window.c
@@ -0,0 +1,81 @@
+#include "window.h"
+
+#include "string.h"
+#include "stddef.h"
+
+static window_vtable_t window_vtable = {
+	{
+		{
+			window_draw,
+			composite_widget_get_focus,
+			widget_model_to_screen,
+			widget_contains_coordinate,
+			window_on_mouse_down,
+			window_on_mouse_up,
+			window_on_mouse_move,
+			composite_widget_on_key_down,
+			composite_widget_on_key_up
+		},
+		composite_widget_add_child
+	}
+};
+
+
+void window_init( window_t *window, widget_t *parent, const int x, const int y, const int w, const int h, const vga_color_t background_color )
+{
+	memset( window, 0, sizeof( window_t ) );
+
+	composite_widget_init( &window->base, parent, x, y, w, h, background_color );	
+
+	window->dragging = false;
+
+	window->base.base.vtable = (widget_vtable_t *)&window_vtable;
+	window->base.vtable = (composite_widget_vtable_t *)&window_vtable;
+	window->vtable = &window_vtable;
+}
+
+void window_draw( void *obj, graphics_context_t *context )
+{
+	window_t *widget = obj;
+
+	if( widget->base.base.x < 0 ) {
+		widget->base.base.x = 0;
+	}
+	if( widget->base.base.x > context->mode.x - widget->base.base.w ) {
+		widget->base.base.x = context->mode.x - widget->base.base.w;
+	}
+	if( widget->base.base.y < 0 ) {
+		widget->base.base.y = 0;
+	}
+	if( widget->base.base.y > context->mode.y - widget->base.base.h ) {
+		widget->base.base.y = context->mode.y - widget->base.base.h;
+	}
+
+	composite_widget_draw( obj, context );
+}
+
+void window_on_mouse_down( void *obj, const int x, const int y )
+{
+	window_t *widget = obj;
+
+	widget->dragging = true;
+	composite_widget_on_mouse_down( obj, x, y );
+}
+
+void window_on_mouse_up( void *obj, const int x, const int y )
+{
+	window_t *widget = obj;
+
+	widget->dragging = false;
+	composite_widget_on_mouse_up( obj, x, y );
+}
+
+void window_on_mouse_move( void *obj, const int old_x, const int old_y, const int x, const int y )
+{
+	window_t *widget = obj;
+
+	if( widget->dragging ) {
+		widget->base.base.x += x - old_x;
+		widget->base.base.y += y - old_y;
+	}
+}