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Presenter: Add Presentation::has_a_[next,previous]_frame()

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This commit is contained in:
Lucas CHOLLET 2023-01-15 23:09:33 -05:00 • committed by Andreas Kling
parent 3ed9627f4e
commit 2372b3b8f9
2 changed files with 12 additions and 0 deletions
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10
Userland/Applications/Presenter/Presentation.cpp
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@ -41,6 +41,16 @@ StringView Presentation::author() const
return "Unknown Author"sv;
}
bool Presentation::has_a_next_frame() const
{
return m_current_slide < u32(m_slides.size() > 1 ? m_slides.size() - 1 : 0);
}
bool Presentation::has_a_previous_frame() const
{
return m_current_slide > 0u;
}
void Presentation::next_frame()
{
m_current_frame_in_slide++;

2
Userland/Applications/Presenter/Presentation.h
View file

@ -32,6 +32,8 @@ public:
unsigned current_slide_number() const { return m_current_slide.value(); }
unsigned current_frame_in_slide_number() const { return m_current_frame_in_slide.value(); }
bool has_a_next_frame() const;
bool has_a_previous_frame() const;
void next_frame();
void previous_frame();
void go_to_first_slide();