void display_text_t::measure(extents_t& result)
{
assert(window_m);
boost::shared_ptr<GG::Font> font = implementation::DefaultFont();
extents_t space_extents(metrics::measure_text(std::string(" "), font));
extents_t label_extents(metrics::measure_text(name_m, font));
extents_t characters_extents(metrics::measure_text(std::string(characters_m, '0'), font));
// set up default settings (baseline, etc.)
result = space_extents;
// set the width to the label width (if any)
result.width() = label_extents.width();
// add a guide for the label
result.horizontal().guide_set_m.push_back(label_extents.width());
// if there's a label, add space for a space
if (label_extents.width() != 0)
result.width() += space_extents.width();
// append the character extents (if any)
result.width() += characters_extents.width();
// if there are character extents, add space for a space
if (characters_extents.width() != 0)
result.width() += space_extents.width();
assert(result.horizontal().length_m);
}
void image_t::measure(extents_t& result)
{
if (callback_m)
result.horizontal().length_m = fixed_width; // REVISIT (fbrereto) : Fixed value
else
result.horizontal().length_m = (long)image_m.width();
}
void presets_t::measure(extents_t& result)
{
assert(control_m);
popup_m.measure(result);
result.width() += 4 + 26; // gap + icon
result.height() = (std::max)(result.height(), 21L);
extents_t cat_result;
category_popup_m.measure(cat_result);
result.width() = (std::max)(result.width(), cat_result.width());
// REVISIT (fbrereto) : This presumes the popups are of the same height.
popup_height_m = cat_result.height();
result.height() += popup_height_m + 4;
if (!result.horizontal().guide_set_m.empty() &&
!cat_result.horizontal().guide_set_m.empty()) {
result.horizontal().guide_set_m[0] =
(std::max)(result.horizontal().guide_set_m[0],
cat_result.horizontal().guide_set_m[0]);
}
}
void edit_text_t::measure(extents_t& result)
{
assert(control_m);
extents_t attrs;
std::string base_text(cols_m, std::string::value_type('0'));
if (rows_m > 1)
{
attrs = implementation::measure_theme_text(base_text, theme_m);
result = attrs;
// REVISIT (fbrereto) : There is an issue here where the attributes of an edit_text
// widget don't propagate properly to a static_text widget, so
// measurement is inherently inaccurate. A better solution should
// be found than simply doubling the row count.
result.height() *= rows_m;
}
else
{
std::string placeholder(implementation::get_field_text(*this));
implementation::set_field_text(*this, base_text);
// measure the control directly because we don't apply the
// fudges yet; we want to do that with the edit text values
result = implementation::measure(this->control_m);
implementation::set_field_text(*this, placeholder);
}
result = implementation::apply_fudges(*this, result);
edit_height_m = result.height();
edit_baseline_m = result.vertical().guide_set_m[0];
if (!using_label_m)
return;
extents_t label_bounds(implementation::measure_theme_text(implementation::get_name(get_label()), theme_m));
if (result.vertical().guide_set_m.size() && label_bounds.vertical().guide_set_m.size())
align_slices(result.vertical(), label_bounds.vertical());
result.horizontal() = implementation::merge_slices_with(result,
metrics_m,
label_bounds,
get_label().metrics_m,
extents_slices_t::horizontal);
result.width() += implementation::global_metrics()(implementation::k_metric_gap);
result.horizontal().guide_set_m.push_back(label_bounds.width());
static_width_m = label_bounds.width();
static_height_m = label_bounds.height();
static_baseline_m = label_bounds.vertical().guide_set_m.empty() ? 0 : label_bounds.vertical().guide_set_m[0];
}
void measure(label_t& value, extents_t& result)
{
assert(value.window_m);
GG::X w = static_cast<int>(value.characters_m) * implementation::CharWidth();
GG::Pt extent = implementation::DefaultFont()->TextExtent(value.name_m, value.format_m, w);
result.horizontal().length_m = Value(extent.x);
assert(result.horizontal().length_m);
}
void separator_t::measure(extents_t& result)
{
#ifdef BOOST_MSVC
result.horizontal().length_m = 2;
result.vertical().length_m = 2;
#elif ADOBE_PLATFORM_MAC
result.horizontal().length_m = is_vertical_m ? 5 : 6;
result.vertical().length_m = is_vertical_m ? 6 : 5;
#endif
}
void button_t::measure(extents_t& result)
{
assert(control_m);
std::vector<std::string> name_set;
adobe::for_each(state_set_m, boost::bind(&add_to_name_set, boost::ref(name_set), _1));
result = implementation::widget_best_bounds(*this, &name_set[0], &name_set[0] + name_set.size());
result.horizontal().length_m =
std::max<long>(70 /* REVISIT (fbrereto) : fixed value */, result.horizontal().length_m );
}
void display_number_t::measure(extents_t& result)
{
assert(window_m);
extents_t space_extents(metrics::measure_text(std::string(" "), window_m, EP_EDITTEXT));
extents_t unit_max_extents;
extents_t label_extents(metrics::measure_text(name_m, window_m, EP_EDITTEXT));
extents_t characters_extents =
metrics::measure_text(std::string(characters_m, '0'), window_m, EP_EDITTEXT);
for (display_number_t::unit_set_t::iterator iter(unit_set_m.begin()),
end(unit_set_m.end()); iter != end; ++iter)
{
extents_t tmp(metrics::measure_text(iter->name_m, window_m, EP_EDITTEXT));
if (tmp.width() > unit_max_extents.width())
unit_max_extents = tmp;
}
// set up default settings (baseline, etc.)
result = space_extents;
// set the width to the label width (if any)
result.width() = label_extents.width();
// add a guide for the label
result.horizontal().guide_set_m.push_back(label_extents.width());
// if there's a label, add space for a space
if (label_extents.width() != 0)
result.width() += space_extents.width();
// append the character extents (if any)
result.width() += characters_extents.width();
// if there are character extents, add space for a space
if (characters_extents.width() != 0)
result.width() += space_extents.width();
// append the max unit extents (if any)
result.width() += unit_max_extents.width();
assert(result.horizontal().length_m);
}
void edit_text_t::measure(extents_t& result)
{
assert(control_m);
//
// The calculate_edit_bounds function can figure out the size this edit box
// should be, based on the number of rows and columns.
//
result = calculate_edit_bounds(control_m, cols_m, rows_m);
//
// Store the height and baseline so that we can correctly align the edit widget
// in set_bounds.
//
edit_height_m = result.height();
if (!result.vertical().guide_set_m.empty())
edit_baseline_m = result.vertical().guide_set_m[0];
//
// If we have a label then we need to make extra space
// for it.
//
if (!using_label_m) return;
extents_t label_bounds;
measure_label_text(get_label(), label_bounds, ::GetParent(control_m));
//
// Make sure that the height can accomodate both the label
// and the edit widget.
//
align_slices(result.vertical(), label_bounds.vertical());
//
// We put the label on the left side of the edit box, and
// place a point of interest at the end of the label, so
// that colon alignment can be performed.
//
result.width() += gap + label_bounds.width();
result.horizontal().guide_set_m.push_back(label_bounds.width());
//
// We use the height and baseline of the label to size and
// align it in set_bounds.
//
static_height_m = label_bounds.height();
static_baseline_m = label_bounds.vertical().guide_set_m[0];
}
void color_button_t::measure(extents_t& result)
{
assert(control_m);
result.width() = Value(original_size_m.x);
result.height() = Value(original_size_m.y);
boost::shared_ptr<GG::Font> font = implementation::DefaultFont();
GG::Y baseline_offset = (control_m->Height() - font->Height()) / 2;
result.vertical().guide_set_m.push_back(Value(baseline_offset));
if (!using_label_m)
return;
extents_t label_bounds(measure_text(name_m.name_m, font));
label_bounds.vertical().guide_set_m.push_back(0);
align_slices(result.vertical(), label_bounds.vertical());
result.width() += gap + label_bounds.width();
result.horizontal().guide_set_m.push_back(label_bounds.width());
}
void popup_t::measure(extents_t& result)
{
assert(control_m);
//
// Make sure that metrics_t is initialized.
//
metrics::set_window(control_m);
//
// The popup_t has multiple text items. We need to find the one with
// the widest extents (when drawn). Then we can make sure that we get
// enough space to draw our largest text item.
//
menu_item_set_t::iterator first(menu_items_m.begin());
menu_item_set_t::iterator last(menu_items_m.end());
RECT largest_extents = { 0, 0, 0, 0 };
bool have_extents = false;
//
// Now iterate through all of our text.
//
while (first != last)
{
//
// Discover the extents of this text!
//
RECT extents;
if (metrics::get_text_extents(CP_DROPDOWNBUTTON, hackery::convert_utf(first->first), extents))
{
//
// Alright, we were able to obtain the required extents.
// Now we just need to see if they are larger than the
// ones we already have.
//
if ((extents.right - extents.left) > (largest_extents.right - largest_extents.left))
largest_extents = extents;
have_extents = true;
}
++first;
}
//
// We don't really use much of UxTheme to discover the bounds of
// the combobox. We can use the GetComboboxInfo function to get
// most of the information we require (such as where the text will
// lie).
//
TEXTMETRIC font_metrics;
int border;
bool have_metrics = metrics::get_font_metrics(CP_DROPDOWNBUTTON, font_metrics);
bool have_border = metrics::get_integer(CP_DROPDOWNBUTTON, TMT_BORDERSIZE, border);
COMBOBOXINFO cbi;
cbi.cbSize = sizeof(cbi);
if (GetComboBoxInfo(control_m, &cbi))
{
RECT text = { 0, 0, 0, 0 };
// currently unused
// RECT size = { 0, 0, 0, 0 };
WINDOWINFO wi = { 0 };
wi.cbSize = sizeof(wi);
if (!GetWindowInfo(control_m, &wi)) ADOBE_THROW_LAST_ERROR;
//
// Figure out the borders around the text entry area.
//
text.left = wi.rcClient.left - wi.rcWindow.left + cbi.rcItem.left;
text.right = wi.rcWindow.right - wi.rcClient.right + cbi.rcItem.right;
text.top = wi.rcClient.top - wi.rcWindow.top + cbi.rcItem.top;
text.bottom = wi.rcWindow.bottom - wi.rcWindow.bottom + cbi.rcItem.bottom;
//
// Figure out the dimensions for the entire control.
//
result.width() = text.left + largest_extents.right - largest_extents.left + cbi.rcButton.right - cbi.rcButton.left;
result.height() = wi.rcWindow.bottom - wi.rcWindow.top;
//
// Deduce the baseline from the text rectangle.
//
int baseline = 0;
if (have_metrics) {
baseline = text.top + font_metrics.tmAscent;
if (have_border) baseline += border;
}
result.vertical().guide_set_m.push_back(baseline);
} else ADOBE_THROW_LAST_ERROR;
//
// If we have a label (always on our left side?) then we
// need to add the size of the label to our result. We try
// to align the label with the popup by baseline. Which is
// kind of what Eve does, so it's bad that we do this
// ourselves, really...
//
if (!using_label_m)
return;
//
// We store the height of the label, from this we can
// figure out how much to offset it when positioning
// the widgets in set_bounds.
//
extents_t label_bounds;
measure_label_text(name_m, label_bounds, ::GetParent(control_m));
static_height_m = label_bounds.height();
static_baseline_m = label_bounds.vertical().guide_set_m[0];
//
// Now we can align the label within the vertical
// slice of the result. This doesn't do anything if
// the label is shorter than the popup.
//
align_slices(result.vertical(), label_bounds.vertical());
//
// Add the width of the label (plus a gap) to the
// resulting width.
//
result.width() += gap + label_bounds.width();
//
// Don't let the width of the popup go too crazy now...
//
result.width() = std::min<long>(static_cast<long>(result.width()), 300); // REVISIT (fbrereto) : fixed width
//
// Add a point-of-interest where the label ends.
// We put the label to the left of the popup.
//
result.horizontal().guide_set_m.push_back(label_bounds.width());
return;
}
