void styled_widget::update_canvas()
{
const int max_width = get_text_maximum_width();
const int max_height = get_text_maximum_height();
// set label in canvases
for(auto & canvas : canvas_)
{
canvas.set_variable("text", variant(label_));
canvas.set_variable("text_markup", variant(use_markup_));
canvas.set_variable("text_link_aware", variant(get_link_aware()));
// Possible TODO: Consider making a formula_callable for colours
color_t link_color = get_link_color();
std::vector<variant> link_color_as_list{variant(link_color.r), variant(link_color.g), variant(link_color.b), variant(link_color.a)};
canvas.set_variable("text_link_color", variant(&link_color_as_list));
canvas.set_variable("text_alignment",
variant(encode_text_alignment(text_alignment_)));
canvas.set_variable("text_maximum_width", variant(max_width));
canvas.set_variable("text_maximum_height", variant(max_height));
canvas.set_variable("text_wrap_mode",
variant(can_wrap() ? PANGO_ELLIPSIZE_NONE
: PANGO_ELLIPSIZE_END));
canvas.set_variable("text_characters_per_line",
variant(get_characters_per_line()));
}
}
void tcontrol::update_canvas()
{
const int max_width = get_text_maximum_width();
const int max_height = get_text_maximum_height();
// set label in canvases
for(auto & canvas : canvas_)
{
canvas.set_variable("text", variant(label_));
canvas.set_variable("text_markup", variant(use_markup_));
canvas.set_variable("text_link_aware", variant(get_link_aware()));
canvas.set_variable("text_link_color", variant(get_link_color()));
canvas.set_variable("text_alignment",
variant(encode_text_alignment(text_alignment_)));
canvas.set_variable("text_maximum_width", variant(max_width));
canvas.set_variable("text_maximum_height", variant(max_height));
canvas.set_variable("text_wrap_mode",
variant(can_wrap() ? PANGO_ELLIPSIZE_NONE
: PANGO_ELLIPSIZE_END));
canvas.set_variable("text_characters_per_line",
variant(get_characters_per_line()));
}
}
point styled_widget::get_best_text_size(point minimum_size,
point maximum_size) const
{
log_scope2(log_gui_layout, LOG_SCOPE_HEADER);
assert(!label_.empty());
const point border(config_->text_extra_width, config_->text_extra_height);
point size = minimum_size - border;
renderer_.set_link_aware(get_link_aware())
.set_link_color(get_link_color());
renderer_.set_text(label_, use_markup_);
renderer_.set_family_class(config_->text_font_family);
renderer_.set_font_size(config_->text_font_size);
renderer_.set_font_style(config_->text_font_style);
renderer_.set_alignment(text_alignment_);
// Try with the minimum wanted size.
const int maximum_width = text_maximum_width_ != 0 ? text_maximum_width_
: maximum_size.x;
renderer_.set_maximum_width(maximum_width);
if(can_wrap()) {
renderer_.set_ellipse_mode(PANGO_ELLIPSIZE_NONE);
}
renderer_.set_characters_per_line(get_characters_per_line());
if(get_characters_per_line() != 0 && !can_wrap()) {
WRN_GUI_L
<< LOG_HEADER << " Limited the number of characters per line, "
<< "but wrapping is not set, output may not be as expected.\n";
}
DBG_GUI_L << LOG_HEADER << " label '" << debug_truncate(label_)
<< "' status: "
<< " minimum_size " << minimum_size << " maximum_size "
<< maximum_size << " text_maximum_width_ " << text_maximum_width_
<< " can_wrap " << can_wrap() << " characters_per_line "
<< get_characters_per_line() << " truncated "
<< renderer_.is_truncated() << " renderer size "
<< renderer_.get_size() << ".\n";
// If doesn't fit try the maximum.
if(renderer_.is_truncated() && !can_wrap()) {
// FIXME if maximum size is defined we should look at that
// but also we don't adjust for the extra text space yet!!!
maximum_size = point(config_->max_width, config_->max_height);
renderer_.set_maximum_width(maximum_size.x ? maximum_size.x - border.x
: -1);
}
size = renderer_.get_size() + border;
if(size.x < minimum_size.x) {
size.x = minimum_size.x;
}
if(size.y < minimum_size.y) {
size.y = minimum_size.y;
}
DBG_GUI_L << LOG_HEADER << " label '" << debug_truncate(label_)
<< "' result " << size << ".\n";
return size;
}
