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#include "text_widget.h"
#include "string.h"
#include "stddef.h"
static text_widget_vtable_t text_widget_vtable = {
{
text_widget_draw,
widget_get_focus,
widget_model_to_screen,
widget_contains_coordinate,
widget_on_mouse_down,
widget_on_mouse_up,
widget_on_mouse_move,
widget_on_key_down,
widget_on_key_up
},
text_widget_set_text
};
void text_widget_init( text_widget_t *widget, widget_t *parent, const int x, const int y, const int w, const int h, const vga_color_t background_color, const char *s )
{
memset( widget, 0, sizeof( text_widget_t ) );
widget_init( &widget->base, parent, x, y, w, h, background_color );
// TODO: const for now, caller has to preserve the text
// maybe with memory manager in place we can do this with a strdup
widget->s = s;
widget->vtable = &text_widget_vtable;
}
void text_widget_draw( void *obj, graphics_context_t *context )
{
text_widget_t *widget = obj;
widget->base.vtable->draw( obj, context );
int x = 0;
int y = 0;
widget->base.vtable->model_to_screen( widget, &x, &y );
for( char c = widget->s[0]; c != '\0'; c++ ) {
vga_draw_char( context, c, x, y, widget->base.background_color,
VGA_COLOR_WHITE );
x += 9;
if( x >= widget->base.w - 9 ) {
y += 16;
x = 0;
}
}
}
void text_widget_set_text( void *obj, const char *s )
{
text_widget_t *widget = obj;
// TODO: see above
widget->s = s;
}
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