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Fix #56: Add default values to TextStyle::layout

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This commit is contained in:
Twan van Laarhoven
2020-05-25 22:34:25 +02:00
parent 221a8e99e5
commit 22a7bce749
2 changed files with 25 additions and 18 deletions
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src/data/field/text.cpp
+25 -16
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@@ -37,6 +37,20 @@ IMPLEMENT_REFLECTION(TextField) {
// ----------------------------------------------------------------------------- : TextStyle
TextLayoutP dummy_layout() {
auto layout = make_intrusive<TextLayout>();
auto line = make_intrusive<LineLayout>(0, 0, 0, LineLayout::Type::LINE);
auto paragraph = make_intrusive<LineLayout>(0, 0, 0, LineLayout::Type::PARAGRAPH);
auto block = make_intrusive<LineLayout>(0, 0, 0, LineLayout::Type::BLOCK);
paragraph->lines.push_back(line);
block->lines.push_back(line);
layout->lines.push_back(line);
block->paragraphs.push_back(paragraph);
layout->paragraphs.push_back(paragraph);
layout->blocks.push_back(block);
return layout;
}
TextStyle::TextStyle(const TextFieldP& field)
: Style(field)
, always_symbol(false), allow_formating(true)
@@ -53,12 +67,12 @@ TextStyle::TextStyle(const TextFieldP& field)
, line_height_line_max(0.0)
, paragraph_height(-1)
, direction(LEFT_TO_RIGHT)
, content_width(0), content_height(0), content_lines(0)
, layout(dummy_layout())
{}
double TextStyle::getStretch() const {
if (content_width > 0 && (alignment() & ALIGN_STRETCH)) {
double factor = (width - padding_left - padding_right) / content_width;
if (layout->width > 0 && (alignment() & ALIGN_STRETCH)) {
double factor = (width - padding_left - padding_right) / layout->width;
if (!(alignment() & ALIGN_IF_OVERFLOW) || factor < 1.0) {
return factor;
}
@@ -97,18 +111,13 @@ void TextStyle::checkContentDependencies(Context& ctx, const Dependency& dep) co
alignment.initDependencies(ctx, dep);
}
template <typename T> void reflect_layout(T& handler, const TextStyle& ts) {}
template <> void reflect_layout(GetMember& handler, const TextStyle& ts) {
REFLECT_N("layout", ts.layout);
if (ts.layout) {
REFLECT_N("content_width", ts.layout->width);
REFLECT_N("content_height", ts.layout->height);
REFLECT_N("content_lines", ts.layout->lines.size());
} else {
REFLECT_N("content_width", 0.);
REFLECT_N("content_height", 0.);
REFLECT_N("content_lines", 0);
}
template <typename T> void reflect_layout(T& handler, const TextLayoutP& layout) {}
template <> void reflect_layout(GetMember& handler, const TextLayoutP& layout) {
assert(layout);
REFLECT_N("layout", layout);
REFLECT_N("content_width", layout->width);
REFLECT_N("content_height", layout->height);
REFLECT_N("content_lines", layout->lines.size());
}
template <> void GetMember::handle(LineLayout const& obj) { obj.reflect(*this); }
@@ -154,7 +163,7 @@ IMPLEMENT_REFLECTION(TextStyle) {
REFLECT(line_height_line_max);
REFLECT(paragraph_height);
REFLECT(direction);
reflect_layout(handler, *this);
reflect_layout(handler, layout);
}
// ----------------------------------------------------------------------------- : TextValue