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#include "text_widget.h"
#include "string.h"
#include <stddef.h>
static text_widget_vtable_t const 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,
text_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 video_rgb_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 );
text_widget_set_text( widget, s );
widget->base.focusable = true;
((widget_t *)widget)->vtable = (widget_vtable_t *)&text_widget_vtable;
}
void text_widget_draw( void *obj, graphics_context_t *context )
{
text_widget_t *widget = obj;
widget_draw( obj, context );
int x = 0;
int y = 0;
int w = 0;
int h = 0;
((widget_t *)widget)->vtable->model_to_screen( widget, &x, &y );
for( const char *p = widget->s; *p != '\0'; p++ ) {
vga_draw_char( context, *p, x + w, y + h,
((widget_t *)widget)->background_color,
VIDEO_RGB_COLOR_WHITE );
w += 9;
if( w >= ((widget_t *)widget)->w - 10 ) {
h += 16;
w = 0;
}
}
}
void text_widget_set_text( void *obj, const char *s )
{
text_widget_t *widget = obj;
strlcpy( widget->s, s, TEXT_WIDGET_MAX_TEXT_SIZE );
}
void text_widget_on_key_down( void *obj, char c )
{
text_widget_t *widget = obj;
if( strlen( widget->s ) < TEXT_WIDGET_MAX_TEXT_SIZE - 1 ) {
widget->s[strlen( widget->s )] = c;
widget->s[strlen( widget->s )+1] = '\0';
}
}
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