bb
157c6af18e
Avoid cases of filenames Update years in terms and other legal(ish) documents Don't update years in license headers, since change is not meaningful Will add linter rule in seperate commit Happy recompiling everyone! Original Patch By: Nescio Comment By: Gallaecio Differential Revision: D2620 This was SVN commit r27786.
197 lines
4.7 KiB
C++
197 lines
4.7 KiB
C++
/* Copyright (C) 2021 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "CGUIScrollBarVertical.h"
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#include "gui/CGUI.h"
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#include "ps/CLogger.h"
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CGUIScrollBarVertical::CGUIScrollBarVertical(CGUI& pGUI)
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: IGUIScrollBar(pGUI)
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{
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}
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CGUIScrollBarVertical::~CGUIScrollBarVertical()
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{
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}
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void CGUIScrollBarVertical::SetPosFromMousePos(const CVector2D& mouse)
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{
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if (!GetStyle())
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return;
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/**
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* Calculate the position for the top of the item being scrolled
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*/
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float emptyBackground = m_Length - m_BarSize;
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if (GetStyle()->m_UseEdgeButtons)
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emptyBackground -= GetStyle()->m_Width * 2;
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m_Pos = m_PosWhenPressed + GetMaxPos() * (mouse.Y - m_BarPressedAtPos.Y) / emptyBackground;
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}
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void CGUIScrollBarVertical::Draw(CCanvas2D& canvas)
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{
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if (!GetStyle())
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{
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LOGWARNING("Attempt to draw scrollbar without a style.");
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return;
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}
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if (IsVisible())
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{
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CRect outline = GetOuterRect();
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m_pGUI.DrawSprite(
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GetStyle()->m_SpriteBackVertical,
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canvas,
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CRect(
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outline.left,
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outline.top + (GetStyle()->m_UseEdgeButtons ? GetStyle()->m_Width : 0),
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outline.right,
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outline.bottom - (GetStyle()->m_UseEdgeButtons ? GetStyle()->m_Width : 0)
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)
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);
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if (GetStyle()->m_UseEdgeButtons)
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{
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const CGUISpriteInstance* button_top;
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const CGUISpriteInstance* button_bottom;
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if (m_ButtonMinusHovered)
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{
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if (m_ButtonMinusPressed)
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button_top = &(GetStyle()->m_SpriteButtonTopPressed ? GetStyle()->m_SpriteButtonTopPressed : GetStyle()->m_SpriteButtonTop);
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else
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button_top = &(GetStyle()->m_SpriteButtonTopOver ? GetStyle()->m_SpriteButtonTopOver : GetStyle()->m_SpriteButtonTop);
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}
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else
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button_top = &GetStyle()->m_SpriteButtonTop;
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if (m_ButtonPlusHovered)
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{
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if (m_ButtonPlusPressed)
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button_bottom = &(GetStyle()->m_SpriteButtonBottomPressed ? GetStyle()->m_SpriteButtonBottomPressed : GetStyle()->m_SpriteButtonBottom);
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else
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button_bottom = &(GetStyle()->m_SpriteButtonBottomOver ? GetStyle()->m_SpriteButtonBottomOver : GetStyle()->m_SpriteButtonBottom);
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}
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else
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button_bottom = &GetStyle()->m_SpriteButtonBottom;
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m_pGUI.DrawSprite(
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*button_top,
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canvas,
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CRect(
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outline.left,
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outline.top,
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outline.right,
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outline.top+GetStyle()->m_Width
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)
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);
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m_pGUI.DrawSprite(
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*button_bottom,
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canvas,
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CRect(
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outline.left,
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outline.bottom-GetStyle()->m_Width,
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outline.right,
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outline.bottom
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)
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);
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}
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m_pGUI.DrawSprite(
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GetStyle()->m_SpriteBarVertical,
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canvas,
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GetBarRect()
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);
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}
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}
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void CGUIScrollBarVertical::HandleMessage(SGUIMessage& Message)
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{
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IGUIScrollBar::HandleMessage(Message);
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}
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CRect CGUIScrollBarVertical::GetBarRect() const
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{
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CRect ret;
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if (!GetStyle())
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return ret;
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// Get from where the scroll area begins to where it ends
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float from = m_Y;
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float to = m_Y + m_Length - m_BarSize;
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if (GetStyle()->m_UseEdgeButtons)
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{
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from += GetStyle()->m_Width;
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to -= GetStyle()->m_Width;
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}
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ret.top = from + (to - from) * m_Pos / GetMaxPos();
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ret.bottom = ret.top + m_BarSize;
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ret.right = m_X + (m_RightAligned ? 0 : GetStyle()->m_Width);
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ret.left = ret.right - GetStyle()->m_Width;
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return ret;
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}
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CRect CGUIScrollBarVertical::GetOuterRect() const
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{
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CRect ret;
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if (!GetStyle())
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return ret;
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ret.top = m_Y;
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ret.bottom = m_Y+m_Length;
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ret.right = m_X + (m_RightAligned ? 0 : GetStyle()->m_Width);
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ret.left = ret.right - GetStyle()->m_Width;
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return ret;
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}
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bool CGUIScrollBarVertical::HoveringButtonMinus(const CVector2D& mouse)
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{
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if (!GetStyle())
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return false;
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float StartX = m_RightAligned ? m_X-GetStyle()->m_Width : m_X;
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return mouse.X >= StartX &&
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mouse.X <= StartX + GetStyle()->m_Width &&
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mouse.Y >= m_Y &&
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mouse.Y <= m_Y + GetStyle()->m_Width;
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}
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bool CGUIScrollBarVertical::HoveringButtonPlus(const CVector2D& mouse)
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{
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if (!GetStyle())
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return false;
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float StartX = m_RightAligned ? m_X-GetStyle()->m_Width : m_X;
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return mouse.X > StartX &&
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mouse.X < StartX + GetStyle()->m_Width &&
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mouse.Y > m_Y + m_Length - GetStyle()->m_Width &&
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mouse.Y < m_Y + m_Length;
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}
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