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Add wxWithImages::GetImageCount() and HasImages() helpers

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These functions allow avoiding using wxImageList explicitly in a couple
of places.

No real changes, this just prepares for adding new API not based on
wxImageList.
This commit is contained in:
Vadim Zeitlin
2021-10-31 17:34:44 +01:00
parent 9cc0c9a082
commit 0df49f0a54
4 changed files with 38 additions and 5 deletions
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14
include/wx/withimages.h
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@@ -15,7 +15,7 @@
#include "wx/imaglist.h"
// ----------------------------------------------------------------------------
// wxWithImages: mix-in class providing access to wxImageList.
// wxWithImages: mix-in for classes using indices for image access
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxWithImages
@@ -37,6 +37,18 @@ public:
FreeIfNeeded();
}
// Return the number of images, possibly 0.
int GetImageCount() const
{
return m_imageList ? m_imageList->GetImageCount() : 0;
}
// Return true if we have any images at all.
bool HasImages() const
{
return GetImageCount() != 0;
}
// Sets the image list to use, it is *not* deleted by the control.
virtual void SetImageList(wxImageList* imageList)
{