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add graph_reference to measure interface

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This commit is contained in:
Jinhao 2017-02-24 21:15:02 +08:00
parent 4f252ddf20
commit 4820aba1e2
2 changed files with 4 additions and 2 deletions
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5
include/nana/gui/detail/widget_content_measurer_interface.hpp
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@ -14,8 +14,8 @@
#define NANA_WIDGET_CONTENT_MEASURER_INTERFACE_HEADER_INCLUDED
#include <nana/basic_types.hpp>
#include <nana/optional.hpp>
#include <nana/paint/graphics.hpp>
namespace nana
{
@ -25,6 +25,7 @@ namespace nana
class widget_content_measurer_interface
{
public:
using graph_reference = paint::graphics&;
virtual ~widget_content_measurer_interface() = default;
/// Measures content
@ -33,7 +34,7 @@ namespace nana
* @param limit_pixels the number of pixels of the limited edge. If this parameter is zero, it is ignored
* @return the size of content
*/
virtual optional<size> measure(bool limit_width, unsigned limit_pixels) const = 0;
virtual optional<size> measure(graph_reference, bool limit_width, unsigned limit_pixels) const = 0;
};
}
}

1
include/nana/gui/widgets/button.hpp
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@ -25,6 +25,7 @@ namespace nana{
/// Draw the button
class trigger: public drawer_trigger
{
class measurer;
public:
trigger();
~trigger();