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add caption background mode for group

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This commit is contained in:
Jinhao 2018-12-29 07:08:49 +08:00
parent bed829fa26
commit 345d65f6c9
2 changed files with 48 additions and 10 deletions
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10
include/nana/gui/widgets/group.hpp
View File

@ -42,6 +42,13 @@ namespace nana{
using field_reference = place::field_reference;
constexpr static const std::size_t npos = static_cast<std::size_t>(-1);
enum class background_mode
{
none,
transparent,
blending
};
/// The default construction
group();
@ -66,7 +73,8 @@ namespace nana{
checkbox& add_option(::std::string);
/// Modifies the alignment of the title
void caption_align(align position);
group& caption_align(align position);
group& caption_background_mode(background_mode mode);
/// Enables/disables the radio mode which is single selection
group& radio_mode(bool);

32
source/gui/widgets/group.cpp
View File

@ -36,6 +36,7 @@ namespace nana{
{
label caption;
align caption_align{ align::left };
background_mode caption_mode{ background_mode::blending };
place place_content;
unsigned gap{2};
std::string usr_div_str;
@ -154,7 +155,7 @@ namespace nana{
return *impl_->options.back();
}
void group::caption_align(align position)
group& group::caption_align(align position)
{
if (position != impl_->caption_align)
{
@ -163,6 +164,32 @@ namespace nana{
impl_->place_content.collocate();
API::refresh_window(*this);
}
return *this;
}
group& group::caption_background_mode(background_mode mode)
{
if (mode != impl_->caption_mode)
{
impl_->caption_mode = mode;
switch (mode)
{
case background_mode::none:
impl_->caption.bgcolor(this->bgcolor());
impl_->caption.transparent(false);
break;
case background_mode::blending:
impl_->caption.transparent(true);
impl_->caption.bgcolor(API::bgcolor(this->parent()).blend(colors::black, 0.025));
break;
case background_mode::transparent:
impl_->caption.transparent(true);
impl_->caption.bgcolor(API::bgcolor(this->parent()).blend(colors::black, 0.025));
break;
}
API::refresh_window(*this);
}
return *this;
}
group& group::radio_mode(bool enable)
@ -289,6 +316,8 @@ namespace nana{
),
3, 3, this->scheme().border, true, this->bgcolor());
if (background_mode::blending == impl_->caption_mode)
{
auto opt_r = API::window_rectangle(impl_->caption);
if (opt_r)
{
@ -301,6 +330,7 @@ namespace nana{
API::bgcolor(this->parent()), this->bgcolor(), true
);
}
}
});
}