void tcontrol::request_reduce_width(const unsigned maximum_width)
{
assert(config_);
if(!label_.empty() && can_wrap()) {
tpoint size = get_best_text_size(
tpoint(0,0),
tpoint(maximum_width - config_->text_extra_width, 0));
size.x += config_->text_extra_width;
size.y += config_->text_extra_height;
set_layout_size(size);
DBG_GUI_L << LOG_HEADER
<< " label '" << debug_truncate(label_)
<< "' maximum_width " << maximum_width
<< " result " << size
<< ".\n";
} else {
DBG_GUI_L << LOG_HEADER
<< " label '" << debug_truncate(label_)
<< "' failed; either no label or wrapping not allowed.\n";
}
}
void styled_widget::request_reduce_width(const unsigned maximum_width)
{
assert(config_);
if(!label_.empty() && can_wrap()) {
point size = get_best_text_size(
point(), point(maximum_width - config_->text_extra_width, 0));
size.x += config_->text_extra_width;
size.y += config_->text_extra_height;
set_layout_size(size);
DBG_GUI_L << LOG_HEADER << " label '" << debug_truncate(label_)
<< "' maximum_width " << maximum_width << " result " << size
<< ".\n";
} else if(label_.empty()) {
point size = get_best_size();
point min_size = get_config_minimum_size();
size.x = std::min(size.x, std::max<int>(maximum_width, min_size.x));
set_layout_size(size);
DBG_GUI_L << LOG_HEADER << " styled_widget " << id()
<< " maximum_width " << maximum_width << " result " << size
<< ".\n";
} else {
DBG_GUI_L << LOG_HEADER << " label '" << debug_truncate(label_)
<< "' failed; either no label or wrapping not allowed.\n";
}
}
tpoint tcontrol::calculate_best_size() const
{
assert(config_);
if(label_.empty()) {
DBG_GUI_L << LOG_HEADER << " empty label return default.\n";
return get_config_default_size();
}
const tpoint minimum = get_config_default_size();
tpoint maximum = get_config_maximum_size();
if (!maximum.x) {
maximum.x = settings::screen_width;
}
if (!maximum.y) {
maximum.y = settings::screen_height;
}
maximum.x -= config_->text_extra_width;
if (text_maximum_width_ && maximum.x > text_maximum_width_) {
maximum.x = text_maximum_width_;
}
/**
* @todo The value send should subtract the border size
* and read it after calculation to get the proper result.
*/
tpoint result = get_best_text_size(minimum, maximum);
DBG_GUI_L << LOG_HEADER
<< " label '" << debug_truncate(label_)
<< "' result " << result
<< ".\n";
return result;
}
void styled_widget::impl_draw_background(surface& frame_buffer,
int x_offset,
int y_offset)
{
DBG_GUI_D << LOG_HEADER << " label '" << debug_truncate(label_) << "' size "
<< get_rectangle() << ".\n";
get_canvas(get_state()).blit(frame_buffer,
calculate_blitting_rectangle(x_offset, y_offset));
}
tpoint tcontrol::calculate_best_size() const
{
assert(config_);
if(label_.empty()) {
DBG_GUI_L << LOG_HEADER << " empty label return default.\n";
return get_config_default_size();
}
const tpoint minimum = get_config_default_size();
const tpoint maximum = get_config_maximum_size();
/**
* @todo The value send should subtract the border size
* and read it after calculation to get the proper result.
*/
tpoint result = get_best_text_size(minimum, maximum);
DBG_GUI_L << LOG_HEADER << " label '" << debug_truncate(label_)
<< "' result " << result << ".\n";
return result;
}
tpoint tcontrol::calculate_best_size() const
{
assert(config_);
tpoint result(config_->default_width, config_->default_height);
if(! label_.empty()) {
// If no label text set we use the predefined value.
/**
* @todo The value send should subtract the border size
* and readd it after calculation to get the proper result.
*/
result = get_best_text_size(result);
}
DBG_GUI_L << LOG_HEADER
<< " label '" << debug_truncate(label_)
<< "' result " << result
<< ".\n";
return result;
}
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;
}
