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Userland+LibGUI: Add shorthand versions of the Margins constructor

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This allows for typing [8] instead of [8, 8, 8, 8] to specify the same
margin on all edges, for example. The constructors follow CSS' style of
specifying margins. The added constructors are:

- Margins(int all): Sets the same margin on all edges.
- Margins(int vertical, int horizontal): Sets the first argument to top
  and bottom margins, and the second argument to left and right margins.
- Margins(int top, int vertical, int bottom): Sets the first argument to
  the top margin, the second argument to the left and right margins,
  and the third argument to the bottom margin.
This commit is contained in:
sin-ack 2021-08-17 00:11:38 +00:00 • committed by Andreas Kling
parent 9c9a5c55cb
commit e11d177618
101 changed files with 232 additions and 201 deletions
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53
Userland/Libraries/LibGUI/Margins.h
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@ -11,6 +11,27 @@ namespace GUI {
class Margins {
public:
Margins() { }
Margins(int all)
: m_top(all)
, m_right(all)
, m_bottom(all)
, m_left(all)
{
}
Margins(int vertical, int horizontal)
: m_top(vertical)
, m_right(horizontal)
, m_bottom(vertical)
, m_left(horizontal)
{
}
Margins(int top, int horizontal, int bottom)
: m_top(top)
, m_right(horizontal)
, m_bottom(bottom)
, m_left(horizontal)
{
}
Margins(int top, int right, int bottom, int left)
: m_top(top)
, m_right(right)
@ -49,8 +70,8 @@ private:
}
#define REGISTER_MARGINS_PROPERTY(property_name, getter, setter) \
register_property( \
#define REGISTER_MARGINS_PROPERTY(property_name, getter, setter) \
register_property( \
property_name, [this]() { \
auto m = getter(); \
JsonObject margins_object; \
@ -58,13 +79,23 @@ private:
margins_object.set("right", m.right()); \
margins_object.set("top", m.top()); \
margins_object.set("bottom", m.bottom()); \
return margins_object; }, \
[this](auto& value) { \
if (!value.is_array() || value.as_array().size() != 4) \
return false; \
int m[4]; \
for (size_t i = 0; i < 4; ++i) \
m[i] = value.as_array().at(i).to_i32(); \
setter({ m[0], m[1], m[2], m[3] }); \
return true; \
return margins_object; }, \
[this](auto& value) { \
if (!value.is_array()) \
return false; \
auto size = value.as_array().size(); \
if (size == 0 || size > 4) \
return false; \
int m[4]; \
for (size_t i = 0; i < size; ++i) \
m[i] = value.as_array().at(i).to_i32(); \
if (size == 1) \
setter({ m[0] }); \
else if (size == 2) \
setter({ m[0], m[1] }); \
else if (size == 3) \
setter({ m[0], m[1], m[2] }); \
else \
setter({ m[0], m[1], m[2], m[3] }); \
return true; \
});