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SirLynix
2022-07-16 14:11:03 +02:00
committed by Jérôme Leclercq
parent 481702c109
commit 05c78da22a
58 changed files with 2306 additions and 41 deletions
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src/Nazara/Widgets/ScrollbarWidget.cpp Normal file
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// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
// This file is part of the "Nazara Engine - Widgets module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#include <Nazara/Widgets/ScrollbarWidget.hpp>
#include <Nazara/Math/Algorithm.hpp>
#include <Nazara/Widgets/ImageButtonWidget.hpp>
#include <Nazara/Widgets/ScrollbarButtonWidget.hpp>
#include <Nazara/Widgets/Debug.hpp>
namespace Nz
{
ScrollbarWidget::ScrollbarWidget(BaseWidget* parent, ScrollbarOrientation orientation) :
BaseWidget(parent),
m_orientation(orientation),
m_isGrabbed(false),
m_maximumValue(1.f),
m_minimumValue(0.f),
m_step(0.5f),
m_value(0.f)
{
m_style = GetTheme()->CreateStyle(this);
SetRenderLayerCount(m_style->GetRenderLayerCount());
const WidgetTheme::Config& themeConfig = GetTheme()->GetConfig();
m_scrollCenterButton = Add<ScrollbarButtonWidget>();
m_scrollCenterButton->OnButtonReleased.Connect([this](const ScrollbarButtonWidget*)
{
m_style->OnButtonRelease();
});
if (m_orientation == ScrollbarOrientation::Horizontal)
{
m_scrollCenterButton->OnButtonGrabbed.Connect([this](const ScrollbarButtonWidget*, int x, int /*y*/)
{
m_grabbedPosition = x;
m_grabbedValue = GetValue();
m_style->OnButtonGrab();
});
m_scrollCenterButton->OnButtonMoved.Connect([this](const ScrollbarButtonWidget*, int x, int /*y*/)
{
int deltaX = x - m_grabbedPosition;
if (deltaX == 0)
return;
float scrollbarWidth = m_step * GetWidth();
float remainingWidth = GetWidth() - m_scrollBackButton->GetWidth() - scrollbarWidth;
float valueRange = m_maximumValue - m_minimumValue;
SetValue(m_grabbedValue + deltaX * valueRange / remainingWidth);
});
m_scrollBackButton = Add<ImageButtonWidget>(themeConfig.scrollbarButtonLeftMaterial, themeConfig.scrollbarButtonLeftHoveredMaterial, themeConfig.scrollbarButtonLeftPressedMaterial, themeConfig.scrollbarButtonCornerSize, themeConfig.scrollbarButtonCornerTexcoords);
m_scrollNextButton = Add<ImageButtonWidget>(themeConfig.scrollbarButtonRightMaterial, themeConfig.scrollbarButtonRightHoveredMaterial, themeConfig.scrollbarButtonRightPressedMaterial, themeConfig.scrollbarButtonCornerSize, themeConfig.scrollbarButtonCornerTexcoords);
}
else
{
m_scrollCenterButton->OnButtonGrabbed.Connect([this](const ScrollbarButtonWidget* button, int /*x*/, int y)
{
m_grabbedPosition = button->GetPosition().y + y;
m_grabbedValue = GetValue();
m_style->OnButtonGrab();
});
m_scrollCenterButton->OnButtonMoved.Connect([this](const ScrollbarButtonWidget* button, int /*x*/, int y)
{
int deltaY = m_grabbedPosition - (button->GetPosition().y + y);
if (deltaY == 0)
return;
float scrollbarHeight = m_step * GetHeight();
float remainingHeight = GetHeight() - m_scrollBackButton->GetHeight() - scrollbarHeight;
float valueRange = m_maximumValue - m_minimumValue;
SetValue(m_grabbedValue + deltaY * valueRange / remainingHeight);
});
m_scrollBackButton = Add<ImageButtonWidget>(themeConfig.scrollbarButtonUpMaterial, themeConfig.scrollbarButtonUpHoveredMaterial, themeConfig.scrollbarButtonUpPressedMaterial, themeConfig.scrollbarButtonCornerSize, themeConfig.scrollbarButtonCornerTexcoords);
m_scrollNextButton = Add<ImageButtonWidget>(themeConfig.scrollbarButtonDownMaterial, themeConfig.scrollbarButtonDownHoveredMaterial, themeConfig.scrollbarButtonDownPressedMaterial, themeConfig.scrollbarButtonCornerSize, themeConfig.scrollbarButtonCornerTexcoords);
}
m_scrollBackButton->OnButtonTrigger.Connect([this](const ImageButtonWidget*)
{
SetValue(GetValue() - 0.1f * (GetMaximumValue() - GetMinimumValue()));
});
m_scrollNextButton->OnButtonTrigger.Connect([this](const ImageButtonWidget*)
{
SetValue(GetValue() + 0.1f * (GetMaximumValue() - GetMinimumValue()));
});
Layout();
}
void ScrollbarWidget::Layout()
{
BaseWidget::Layout();
float stepPct = m_step / (m_maximumValue - m_minimumValue);
float valuePct = m_value / (m_maximumValue - m_minimumValue);
float invValuePct = 1.f - valuePct; //< Remember we're Y up
Vector2f size = GetSize();
if (m_orientation == ScrollbarOrientation::Horizontal)
{
m_scrollBackButton->Resize({ size.y, size.y });
m_scrollNextButton->Resize({ size.y, size.y });
m_scrollNextButton->SetPosition({ GetWidth() - m_scrollNextButton->GetWidth(), 0.f, 0.f });
float start = m_scrollBackButton->GetWidth();
float remaining = size.x - start - m_scrollNextButton->GetWidth();
float centerPosition = start + invValuePct * (remaining - remaining * stepPct);
m_scrollCenterButton->Resize({ remaining * stepPct, size.y });
m_scrollCenterButton->SetPosition(start + centerPosition, 0.f);
}
else
{
m_scrollBackButton->Resize({ size.x, size.x });
m_scrollBackButton->SetPosition({ 0.f, GetHeight() - m_scrollBackButton->GetHeight(), 0.f });
m_scrollNextButton->Resize({ size.x, size.x });
float start = m_scrollBackButton->GetHeight();
float remaining = size.y - start - m_scrollNextButton->GetHeight();
float centerPosition = start + invValuePct * (remaining - remaining * stepPct);
m_scrollCenterButton->Resize({ size.x, remaining * stepPct });
m_scrollCenterButton->SetPosition(0.f, centerPosition);
}
m_style->Layout(size);
}
void ScrollbarWidget::OnMouseEnter()
{
m_style->OnHoverBegin();
}
void ScrollbarWidget::OnMouseExit()
{
m_style->OnHoverEnd();
}
void ScrollbarWidget::OnRenderLayerUpdated(int baseRenderLayer)
{
m_style->UpdateRenderLayer(baseRenderLayer);
}
}