void ei_geometrymanager_unmap(ei_widget_t* widget)
{
if(widget->geom_params) {
// Call of the function ei_releasefunc_placer
widget->geom_params->manager->releasefunc(widget);
free(widget->geom_params);
widget->geom_params = NULL;
}
// Invalidate widget
ei_app_invalidate_rect(&widget->screen_location) ;
// Screen Location reset to 0
widget->screen_location.top_left = ei_point_zero() ;
widget->screen_location.size = ei_size_zero();
}
// Dessine le texte d'un widget
void ei_draw_widget_text( ei_surface_t surface,
ei_widget_t* widget,
char* text,
ei_font_t text_font,
ei_color_t text_color,
ei_anchor_t anchor )
{
// Calcul du point d'ancrage "where" du type ei_point_t*
ei_point_t where = ei_point_zero();
// Taille du texte
ei_size_t tsize;
hw_text_compute_size(text,text_font,&(tsize.width),&(tsize.height));
// Paramètres du widget
ei_size_t wsize = widget->screen_location.size;
ei_point_t wtopleft = widget->screen_location.top_left;
if ((tsize.width >= wsize.width + 10)
|| (tsize.height >= wsize.height + 12)) {
// Texte plus grand que le frame
fprintf(stderr, "Texte trop grand pour être affiché.\n");
return;
}
ei_switch_anchor(anchor, &where, tsize, wtopleft, wsize);
ei_rect_t text_clipper;
if (widget->parent == NULL) {
text_clipper = widget->screen_location;
} else {
text_clipper = ei_rectangles_intersect(widget->screen_location,
widget->parent->screen_location);
}
ei_draw_text(surface, &where, text, text_font, &text_color, &text_clipper);
}
void ei_runfunc_placer(struct ei_widget_t* widget)
{
// we load the location of the father widget
ei_rect_t* container = widget->parent->content_rect;
ei_geometrymanager_param_placer_t* prm_placer = (ei_geometrymanager_param_placer_t*)widget->geom_params;
float width, height ;
assert(prm_placer);
assert(prm_placer->rel_width);
width = container->size.width *
*(prm_placer->rel_width) +
*(prm_placer->width);
height = container->size.height *
*(prm_placer->rel_height) +
*(prm_placer->height);
ei_point_t pos_rel;
switch (*(prm_placer->anchor)) {
case ei_anc_none:
case ei_anc_northwest:
pos_rel = ei_point_zero();
break;
case ei_anc_center:
pos_rel = ei_point(width / 2, height / 2);
break;
case ei_anc_north:
pos_rel = ei_point(width / 2, 0);
break;
case ei_anc_northeast:
pos_rel = ei_point(width , 0);
break;
case ei_anc_east:
pos_rel = ei_point(width, height / 2);
break;
case ei_anc_southeast:
pos_rel = ei_point(width, height );
break;
case ei_anc_south:
pos_rel = ei_point(width / 2, height);
break;
case ei_anc_southwest:
pos_rel = ei_point(0 , height );
break;
case ei_anc_west:
pos_rel = ei_point(0 , height / 2 );
break;
}
ei_point_t pos_abs = ei_point(
container->size.width *
*(prm_placer->rel_x) +
*(prm_placer->x),
container->size.height *
*(prm_placer->rel_y) +
*(prm_placer->y));
// ei_app_invalidate_rect(&widget->screen_location);
widget->screen_location = ei_rect(
ei_point_add(ei_point_sub(pos_abs, pos_rel),container->top_left),
ei_size(width, height));
ei_app_invalidate_rect(&widget->screen_location);
widget->wclass->geomnotifyfunc(widget, widget->screen_location);
ei_widget_t * current = widget->children_head;
while(current) {
if(current->geom_params) {
current->geom_params->manager->runfunc(current);
}
current = current->next_sibling;
}
}
