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Partial implementation of missing nana::typeface()

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This commit is contained in:
James Bremner 2018-12-18 17:05:45 -05:00
parent e7bc1405ec
commit 1d2c7f85f4
2 changed files with 254 additions and 235 deletions
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3
include/nana/gui/widgets/group.hpp
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@ -77,6 +77,9 @@ namespace nana{
/// Determines whether a specified option is checked, it throws an out_of_range if !(pos < number of options) /// Determines whether a specified option is checked, it throws an out_of_range if !(pos < number of options)
bool option_checked(std::size_t pos) const; bool option_checked(std::size_t pos) const;
/// Change typeface of caption label ( does not effect child widgets )
void typeface( const nana::paint::font& font );
group& enable_format_caption(bool format); group& enable_format_caption(bool format);
group& collocate() noexcept; group& collocate() noexcept;

20
source/gui/widgets/group.cpp
View File

@ -27,7 +27,8 @@
if(empty()) \ if(empty()) \
throw std::logic_error("the group is invalid"); throw std::logic_error("the group is invalid");
namespace nana{ namespace nana
{
static const char* field_title = "__nana_group_title__"; static const char* field_title = "__nana_group_title__";
static const char* field_options = "__nana_group_options__"; static const char* field_options = "__nana_group_options__";
@ -203,6 +204,20 @@ namespace nana{
return impl_->options.at(pos)->checked(); return impl_->options.at(pos)->checked();
} }
void group::typeface( const nana::paint::font& font )
{
// change typeface of caption label
impl_->caption.typeface( font );
/* change size of caption label
The caption may be changed AFTER this call
so the neccessary label size is unknown
set it to 80% of the current widget width and 50 pixels
*/
impl_->caption.move( rectangle(0,0,size().width * 0.8,50));
}
group& group::enable_format_caption(bool format) group& group::enable_format_caption(bool format)
{ {
impl_->caption.format(format); impl_->caption.format(format);
@ -271,7 +286,8 @@ namespace nana{
//When the group is resized, the drawing is called before moving the caption, but //When the group is resized, the drawing is called before moving the caption, but
//the drawing of group requires the lastest position of caption for gradual rectangle. //the drawing of group requires the lastest position of caption for gradual rectangle.
//For the requirement, a move event handler is required for listning the change of caption's position. //For the requirement, a move event handler is required for listning the change of caption's position.
impl_->caption.events().move([this](const arg_move&){ impl_->caption.events().move([this](const arg_move&)
{
if (align::left != impl_->caption_align) if (align::left != impl_->caption_align)
API::refresh_window(*this); API::refresh_window(*this);
}); });