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Diffstat (limited to 'xbmc/guilib/GUIResizeControl.cpp')
| -rw-r--r-- | xbmc/guilib/GUIResizeControl.cpp | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/xbmc/guilib/GUIResizeControl.cpp b/xbmc/guilib/GUIResizeControl.cpp new file mode 100644 index 0000000..83f79d4 --- /dev/null +++ b/xbmc/guilib/GUIResizeControl.cpp @@ -0,0 +1,227 @@ +/* + * Copyright (C) 2005-2018 Team Kodi + * This file is part of Kodi - https://kodi.tv + * + * SPDX-License-Identifier: GPL-2.0-or-later + * See LICENSES/README.md for more information. + */ + +#include "GUIResizeControl.h" + +#include "GUIMessage.h" +#include "input/Key.h" +#include "input/mouse/MouseStat.h" + +using namespace UTILS; + +CGUIResizeControl::CGUIResizeControl(int parentID, + int controlID, + float posX, + float posY, + float width, + float height, + const CTextureInfo& textureFocus, + const CTextureInfo& textureNoFocus, + UTILS::MOVING_SPEED::MapEventConfig& movingSpeedCfg) + : CGUIControl(parentID, controlID, posX, posY, width, height), + m_imgFocus(CGUITexture::CreateTexture(posX, posY, width, height, textureFocus)), + m_imgNoFocus(CGUITexture::CreateTexture(posX, posY, width, height, textureNoFocus)) +{ + m_frameCounter = 0; + m_movingSpeed.AddEventMapConfig(movingSpeedCfg); + m_fAnalogSpeed = 2.0f; //! @todo implement correct analog speed + ControlType = GUICONTROL_RESIZE; + SetLimits(0, 0, 720, 576); // defaults +} + +CGUIResizeControl::CGUIResizeControl(const CGUIResizeControl& control) + : CGUIControl(control), + m_imgFocus(control.m_imgFocus->Clone()), + m_imgNoFocus(control.m_imgNoFocus->Clone()), + m_frameCounter(control.m_frameCounter), + m_movingSpeed(control.m_movingSpeed), + m_fAnalogSpeed(control.m_fAnalogSpeed), + m_x1(control.m_x1), + m_x2(control.m_x2), + m_y1(control.m_y1), + m_y2(control.m_y2) +{ +} + +void CGUIResizeControl::Process(unsigned int currentTime, CDirtyRegionList &dirtyregions) +{ + if (m_bInvalidated) + { + m_imgFocus->SetWidth(m_width); + m_imgFocus->SetHeight(m_height); + + m_imgNoFocus->SetWidth(m_width); + m_imgNoFocus->SetHeight(m_height); + } + if (HasFocus()) + { + unsigned int alphaCounter = m_frameCounter + 2; + unsigned int alphaChannel; + if ((alphaCounter % 128) >= 64) + alphaChannel = alphaCounter % 64; + else + alphaChannel = 63 - (alphaCounter % 64); + + alphaChannel += 192; + if (SetAlpha( (unsigned char)alphaChannel )) + MarkDirtyRegion(); + m_imgFocus->SetVisible(true); + m_imgNoFocus->SetVisible(false); + m_frameCounter++; + } + else + { + if (SetAlpha(0xff)) + MarkDirtyRegion(); + m_imgFocus->SetVisible(false); + m_imgNoFocus->SetVisible(true); + } + m_imgFocus->Process(currentTime); + m_imgNoFocus->Process(currentTime); + CGUIControl::Process(currentTime, dirtyregions); +} + +void CGUIResizeControl::Render() +{ + m_imgFocus->Render(); + m_imgNoFocus->Render(); + CGUIControl::Render(); +} + +bool CGUIResizeControl::OnAction(const CAction &action) +{ + if (action.GetID() == ACTION_SELECT_ITEM) + { + // button selected - send message to parent + CGUIMessage message(GUI_MSG_CLICKED, GetID(), GetParentID()); + SendWindowMessage(message); + return true; + } + if (action.GetID() == ACTION_ANALOG_MOVE) + { + Resize(m_fAnalogSpeed*action.GetAmount(), -m_fAnalogSpeed*action.GetAmount(1)); + return true; + } + return CGUIControl::OnAction(action); +} + +void CGUIResizeControl::OnUp() +{ + Resize(0, -m_movingSpeed.GetUpdatedDistance(MOVING_SPEED::EventType::UP)); +} + +void CGUIResizeControl::OnDown() +{ + Resize(0, m_movingSpeed.GetUpdatedDistance(MOVING_SPEED::EventType::DOWN)); +} + +void CGUIResizeControl::OnLeft() +{ + Resize(-m_movingSpeed.GetUpdatedDistance(MOVING_SPEED::EventType::LEFT), 0); +} + +void CGUIResizeControl::OnRight() +{ + Resize(m_movingSpeed.GetUpdatedDistance(MOVING_SPEED::EventType::RIGHT), 0); +} + +EVENT_RESULT CGUIResizeControl::OnMouseEvent(const CPoint &point, const CMouseEvent &event) +{ + if (event.m_id == ACTION_MOUSE_DRAG || event.m_id == ACTION_MOUSE_DRAG_END) + { + if (static_cast<HoldAction>(event.m_state) == HoldAction::DRAG) + { // grab exclusive access + CGUIMessage msg(GUI_MSG_EXCLUSIVE_MOUSE, GetID(), GetParentID()); + SendWindowMessage(msg); + } + else if (static_cast<HoldAction>(event.m_state) == HoldAction::DRAG_END) + { // release exclusive access + CGUIMessage msg(GUI_MSG_EXCLUSIVE_MOUSE, 0, GetParentID()); + SendWindowMessage(msg); + } + Resize(event.m_offsetX, event.m_offsetY); + return EVENT_RESULT_HANDLED; + } + return EVENT_RESULT_UNHANDLED; +} + +void CGUIResizeControl::AllocResources() +{ + CGUIControl::AllocResources(); + m_frameCounter = 0; + m_imgFocus->AllocResources(); + m_imgNoFocus->AllocResources(); + m_width = m_imgFocus->GetWidth(); + m_height = m_imgFocus->GetHeight(); +} + +void CGUIResizeControl::FreeResources(bool immediately) +{ + CGUIControl::FreeResources(immediately); + m_imgFocus->FreeResources(immediately); + m_imgNoFocus->FreeResources(immediately); +} + +void CGUIResizeControl::DynamicResourceAlloc(bool bOnOff) +{ + CGUIControl::DynamicResourceAlloc(bOnOff); + m_imgFocus->DynamicResourceAlloc(bOnOff); + m_imgNoFocus->DynamicResourceAlloc(bOnOff); +} + +void CGUIResizeControl::SetInvalid() +{ + CGUIControl::SetInvalid(); + m_imgFocus->SetInvalid(); + m_imgNoFocus->SetInvalid(); +} + +void CGUIResizeControl::Resize(float x, float y) +{ + float width = m_width + x; + float height = m_height + y; + // check if we are within the bounds + if (width < m_x1) width = m_x1; + if (height < m_y1) height = m_y1; + if (width > m_x2) width = m_x2; + if (height > m_y2) height = m_y2; + // ok, now set the default size of the resize control + SetWidth(width); + SetHeight(height); +} + +void CGUIResizeControl::SetPosition(float posX, float posY) +{ + CGUIControl::SetPosition(posX, posY); + m_imgFocus->SetPosition(posX, posY); + m_imgNoFocus->SetPosition(posX, posY); +} + +bool CGUIResizeControl::SetAlpha(unsigned char alpha) +{ + bool changed = m_imgFocus->SetAlpha(alpha); + changed |= m_imgNoFocus->SetAlpha(alpha); + return changed; +} + +bool CGUIResizeControl::UpdateColors(const CGUIListItem* item) +{ + bool changed = CGUIControl::UpdateColors(nullptr); + changed |= m_imgFocus->SetDiffuseColor(m_diffuseColor); + changed |= m_imgNoFocus->SetDiffuseColor(m_diffuseColor); + + return changed; +} + +void CGUIResizeControl::SetLimits(float x1, float y1, float x2, float y2) +{ + m_x1 = x1; + m_y1 = y1; + m_x2 = x2; + m_y2 = y2; +} |