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#include "window.h"
#include "string.h"
#include <stddef.h>
static window_vtable_t const 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;
((widget_t *)window)->vtable = (widget_vtable_t *)&window_vtable;
}
void window_draw( void *obj, graphics_context_t *context )
{
window_t *widget = obj;
if( ((widget_t *)widget)->x < 0 ) {
((widget_t *)widget)->x = 0;
}
if( ((widget_t *)widget)->x > context->mode->base.x - ((widget_t *)widget)->w ) {
((widget_t *)widget)->x = context->mode->base.x - ((widget_t *)widget)->w;
}
if( ((widget_t *)widget)->y < 0 ) {
((widget_t *)widget)->y = 0;
}
if( ((widget_t *)widget)->y > context->mode->base.y - ((widget_t *)widget)->h ) {
((widget_t *)widget)->y = context->mode->base.y - ((widget_t *)widget)->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_t *)widget)->x += x - old_x;
((widget_t *)widget)->y += y - old_y;
}
}
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