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647 lines
17 KiB
C++
647 lines
17 KiB
C++
#include "ui_ex.h"
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#include <base/system.h>
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#include <base/math.h>
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#include <engine/textrender.h>
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#include <engine/keys.h>
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#include <game/client/lineinput.h>
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#include <game/client/render.h>
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#include <limits>
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CUIEx::CUIEx()
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{
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m_MouseSlow = false;
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}
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void CUIEx::Init(CUI *pUI, IKernel *pKernel, CRenderTools *pRenderTools, IInput::CEvent *pInputEventsArray, int *pInputEventCount)
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{
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m_pUI = pUI;
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m_pKernel = pKernel;
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m_pRenderTools = pRenderTools;
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m_pInputEventsArray = pInputEventsArray;
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m_pInputEventCount = pInputEventCount;
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m_pInput = Kernel()->RequestInterface<IInput>();
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m_pGraphics = Kernel()->RequestInterface<IGraphics>();
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m_pTextRender = Kernel()->RequestInterface<ITextRender>();
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}
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void CUIEx::ConvertMouseMove(float *pX, float *pY, IInput::ECursorType CursorType) const
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{
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UI()->ConvertMouseMove(pX, pY, CursorType);
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if(m_MouseSlow)
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{
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const float SlowMouseFactor = 0.05f;
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*pX *= SlowMouseFactor;
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*pY *= SlowMouseFactor;
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}
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}
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float CUIEx::DoScrollbarV(const void *pID, const CUIRect *pRect, float Current)
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{
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Current = clamp(Current, 0.0f, 1.0f);
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// layout
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CUIRect Rail;
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pRect->Margin(5.0f, &Rail);
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CUIRect Handle;
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Rail.HSplitTop(clamp(33.0f, Rail.w, Rail.h / 3.0f), &Handle, 0);
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Handle.y = Rail.y + (Rail.h - Handle.h) * Current;
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// logic
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static float s_OffsetY;
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const bool InsideRail = UI()->MouseHovered(&Rail);
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const bool InsideHandle = UI()->MouseHovered(&Handle);
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bool Grabbed = false; // whether to apply the offset
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if(UI()->CheckActiveItem(pID))
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{
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if(UI()->MouseButton(0))
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{
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Grabbed = true;
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if(Input()->KeyIsPressed(KEY_LSHIFT) || Input()->KeyIsPressed(KEY_RSHIFT))
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m_MouseSlow = true;
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}
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else
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{
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UI()->SetActiveItem(nullptr);
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}
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}
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else if(UI()->HotItem() == pID)
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{
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if(UI()->MouseButton(0))
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{
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UI()->SetActiveItem(pID);
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s_OffsetY = UI()->MouseY() - Handle.y;
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Grabbed = true;
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}
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}
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else if(UI()->MouseButtonClicked(0) && !InsideHandle && InsideRail)
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{
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UI()->SetActiveItem(pID);
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s_OffsetY = Handle.h / 2.0f;
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Grabbed = true;
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}
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if(InsideHandle)
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{
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UI()->SetHotItem(pID);
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}
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float ReturnValue = Current;
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if(Grabbed)
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{
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const float Min = Rail.y;
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const float Max = Rail.h - Handle.h;
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const float Cur = UI()->MouseY() - s_OffsetY;
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ReturnValue = clamp((Cur - Min) / Max, 0.0f, 1.0f);
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}
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// render
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RenderTools()->DrawUIRect(&Rail, ColorRGBA(1.0f, 1.0f, 1.0f, 0.25f), CUI::CORNER_ALL, Rail.w / 2.0f);
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float ColorSlider;
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if(UI()->CheckActiveItem(pID))
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ColorSlider = 0.9f;
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else if(UI()->HotItem() == pID)
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ColorSlider = 1.0f;
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else
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ColorSlider = 0.8f;
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RenderTools()->DrawUIRect(&Handle, ColorRGBA(ColorSlider, ColorSlider, ColorSlider, 1.0f), CUI::CORNER_ALL, Handle.w / 2.0f);
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return ReturnValue;
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}
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float CUIEx::DoScrollbarH(const void *pID, const CUIRect *pRect, float Current, const ColorRGBA *pColorInner)
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{
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Current = clamp(Current, 0.0f, 1.0f);
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// layout
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CUIRect Rail;
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if(pColorInner)
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Rail = *pRect;
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else
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pRect->HMargin(5.0f, &Rail);
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CUIRect Handle;
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Rail.VSplitLeft(pColorInner ? 8.0f : clamp(33.0f, Rail.h, Rail.w / 3.0f), &Handle, 0);
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Handle.x += (Rail.w - Handle.w) * Current;
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// logic
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static float s_OffsetX;
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const bool InsideRail = UI()->MouseHovered(&Rail);
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const bool InsideHandle = UI()->MouseHovered(&Handle);
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bool Grabbed = false; // whether to apply the offset
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if(UI()->CheckActiveItem(pID))
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{
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if(UI()->MouseButton(0))
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{
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Grabbed = true;
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if(Input()->KeyIsPressed(KEY_LSHIFT) || Input()->KeyIsPressed(KEY_RSHIFT))
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m_MouseSlow = true;
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}
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else
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{
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UI()->SetActiveItem(nullptr);
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}
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}
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else if(UI()->HotItem() == pID)
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{
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if(UI()->MouseButton(0))
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{
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UI()->SetActiveItem(pID);
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s_OffsetX = UI()->MouseX() - Handle.x;
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Grabbed = true;
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}
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}
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else if(UI()->MouseButtonClicked(0) && !InsideHandle && InsideRail)
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{
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UI()->SetActiveItem(pID);
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s_OffsetX = Handle.w / 2.0f;
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Grabbed = true;
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}
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if(InsideHandle)
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{
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UI()->SetHotItem(pID);
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}
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float ReturnValue = Current;
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if(Grabbed)
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{
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const float Min = Rail.x;
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const float Max = Rail.w - Handle.w;
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const float Cur = UI()->MouseX() - s_OffsetX;
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ReturnValue = clamp((Cur - Min) / Max, 0.0f, 1.0f);
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}
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// render
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if(pColorInner)
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{
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CUIRect Slider;
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Handle.VMargin(-2.0f, &Slider);
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Slider.HMargin(-3.0f, &Slider);
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RenderTools()->DrawUIRect(&Slider, ColorRGBA(0.15f, 0.15f, 0.15f, 1.0f), CUI::CORNER_ALL, 5.0f);
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Slider.Margin(2.0f, &Slider);
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RenderTools()->DrawUIRect(&Slider, *pColorInner, CUI::CORNER_ALL, 3.0f);
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}
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else
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{
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RenderTools()->DrawUIRect(&Rail, ColorRGBA(1.0f, 1.0f, 1.0f, 0.25f), CUI::CORNER_ALL, Rail.h / 2.0f);
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float ColorSlider;
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if(UI()->CheckActiveItem(pID))
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ColorSlider = 0.9f;
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else if(UI()->HotItem() == pID)
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ColorSlider = 1.0f;
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else
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ColorSlider = 0.8f;
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RenderTools()->DrawUIRect(&Handle, ColorRGBA(ColorSlider, ColorSlider, ColorSlider, 1.0f), CUI::CORNER_ALL, Handle.h / 2.0f);
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}
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return ReturnValue;
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}
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bool CUIEx::DoEditBox(const void *pID, const CUIRect *pRect, char *pStr, unsigned StrSize, float FontSize, float *pOffset, bool Hidden, int Corners, const SUIExEditBoxProperties &Properties)
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{
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const bool Inside = UI()->MouseHovered(pRect);
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bool ReturnValue = false;
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bool UpdateOffset = false;
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auto &&SetHasSelection = [&](bool HasSelection) {
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m_HasSelection = HasSelection;
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m_pSelItem = m_HasSelection ? pID : nullptr;
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};
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auto &&SelectAllText = [&]() {
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m_CurSelStart = 0;
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int StrLen = str_length(pStr);
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TextRender()->UTF8OffToDecodedOff(pStr, StrLen, m_CurSelEnd);
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SetHasSelection(true);
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m_CurCursor = StrLen;
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};
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if(UI()->LastActiveItem() == pID)
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{
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if(m_HasSelection && m_pSelItem != pID)
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{
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SetHasSelection(false);
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}
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m_CurCursor = minimum(str_length(pStr), m_CurCursor);
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bool IsShiftPressed = Input()->KeyIsPressed(KEY_LSHIFT) || Input()->KeyIsPressed(KEY_RSHIFT);
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bool IsModPressed = Input()->ModifierIsPressed();
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if(!IsShiftPressed && IsModPressed && Input()->KeyPress(KEY_V))
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{
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const char *pText = Input()->GetClipboardText();
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if(pText)
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{
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int OffsetL = clamp(m_CurCursor, 0, str_length(pStr));
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int OffsetR = OffsetL;
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if(m_HasSelection)
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{
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int SelLeft = minimum(m_CurSelStart, m_CurSelEnd);
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int SelRight = maximum(m_CurSelStart, m_CurSelEnd);
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int UTF8SelLeft = -1;
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int UTF8SelRight = -1;
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if(TextRender()->SelectionToUTF8OffSets(pStr, SelLeft, SelRight, UTF8SelLeft, UTF8SelRight))
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{
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OffsetL = UTF8SelLeft;
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OffsetR = UTF8SelRight;
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SetHasSelection(false);
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}
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}
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std::string NewStr(pStr, OffsetL);
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int WrittenChars = 0;
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const char *pIt = pText;
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while(*pIt)
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{
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const char *pTmp = pIt;
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int Character = str_utf8_decode(&pTmp);
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if(Character == -1 || Character == 0)
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break;
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if(Character == '\r' || Character == '\n')
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{
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NewStr.append(1, ' ');
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++WrittenChars;
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}
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else
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{
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NewStr.append(pIt, (std::intptr_t)(pTmp - pIt));
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WrittenChars += (int)(std::intptr_t)(pTmp - pIt);
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}
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pIt = pTmp;
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}
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NewStr.append(pStr + OffsetR);
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str_copy(pStr, NewStr.c_str(), StrSize);
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m_CurCursor = OffsetL + WrittenChars;
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ReturnValue = true;
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}
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}
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if(!IsShiftPressed && IsModPressed && (Input()->KeyPress(KEY_C) || Input()->KeyPress(KEY_X)))
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{
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if(m_HasSelection)
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{
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int SelLeft = minimum(m_CurSelStart, m_CurSelEnd);
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int SelRight = maximum(m_CurSelStart, m_CurSelEnd);
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int UTF8SelLeft = -1;
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int UTF8SelRight = -1;
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if(TextRender()->SelectionToUTF8OffSets(pStr, SelLeft, SelRight, UTF8SelLeft, UTF8SelRight))
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{
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std::string NewStr(&pStr[UTF8SelLeft], UTF8SelRight - UTF8SelLeft);
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Input()->SetClipboardText(NewStr.c_str());
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if(Input()->KeyPress(KEY_X))
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{
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NewStr = std::string(pStr, UTF8SelLeft) + std::string(pStr + UTF8SelRight);
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str_copy(pStr, NewStr.c_str(), StrSize);
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SetHasSelection(false);
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if(m_CurCursor > UTF8SelLeft)
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m_CurCursor = maximum(0, m_CurCursor - (UTF8SelRight - UTF8SelLeft));
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else
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m_CurCursor = UTF8SelLeft;
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}
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}
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}
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else
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Input()->SetClipboardText(pStr);
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}
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if(Properties.m_SelectText || (!IsShiftPressed && IsModPressed && Input()->KeyPress(KEY_A)))
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{
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SelectAllText();
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}
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if(!IsShiftPressed && IsModPressed && Input()->KeyPress(KEY_U))
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{
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pStr[0] = '\0';
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m_CurCursor = 0;
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SetHasSelection(false);
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ReturnValue = true;
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}
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for(int i = 0; i < *m_pInputEventCount; i++)
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{
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int LastCursor = m_CurCursor;
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int Len, NumChars;
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str_utf8_stats(pStr, StrSize, StrSize, &Len, &NumChars);
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int32_t ManipulateChanges = CLineInput::Manipulate(m_pInputEventsArray[i], pStr, StrSize, StrSize, &Len, &m_CurCursor, &NumChars, m_HasSelection ? CLineInput::LINE_INPUT_MODIFY_DONT_DELETE : 0, IsModPressed ? KEY_LCTRL : 0);
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ReturnValue |= (ManipulateChanges & (CLineInput::LINE_INPUT_CHANGE_STRING | CLineInput::LINE_INPUT_CHANGE_CHARACTERS_DELETE)) != 0;
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// if cursor changed, reset selection
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if(ManipulateChanges != 0)
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{
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if(m_HasSelection && (ManipulateChanges & (CLineInput::LINE_INPUT_CHANGE_STRING | CLineInput::LINE_INPUT_CHANGE_CHARACTERS_DELETE)) != 0)
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{
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int OffsetL = 0;
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int OffsetR = 0;
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bool IsReverseSel = m_CurSelStart > m_CurSelEnd;
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int ExtraNew = 0;
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int ExtraOld = 0;
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// selection correction from added chars
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if(IsReverseSel)
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{
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TextRender()->UTF8OffToDecodedOff(pStr, m_CurCursor, ExtraNew);
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TextRender()->UTF8OffToDecodedOff(pStr, LastCursor, ExtraOld);
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}
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int SelLeft = minimum(m_CurSelStart, m_CurSelEnd);
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int SelRight = maximum(m_CurSelStart, m_CurSelEnd);
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int UTF8SelLeft = -1;
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int UTF8SelRight = -1;
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if(TextRender()->SelectionToUTF8OffSets(pStr, SelLeft + (ExtraNew - ExtraOld), SelRight + (ExtraNew - ExtraOld), UTF8SelLeft, UTF8SelRight))
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{
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OffsetL = UTF8SelLeft;
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OffsetR = UTF8SelRight;
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SetHasSelection(false);
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}
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std::string NewStr(pStr, OffsetL);
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NewStr.append(pStr + OffsetR);
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str_copy(pStr, NewStr.c_str(), StrSize);
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if(!IsReverseSel)
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m_CurCursor = clamp<int>(m_CurCursor - (UTF8SelRight - UTF8SelLeft), 0, NewStr.length());
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}
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if(IsShiftPressed && (ManipulateChanges & CLineInput::LINE_INPUT_CHANGE_STRING) == 0)
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{
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int CursorPosDecoded = -1;
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int LastCursorPosDecoded = -1;
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if(!m_HasSelection)
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{
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m_CurSelStart = -1;
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m_CurSelEnd = -1;
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}
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if(TextRender()->UTF8OffToDecodedOff(pStr, m_CurCursor, CursorPosDecoded))
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{
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if(TextRender()->UTF8OffToDecodedOff(pStr, LastCursor, LastCursorPosDecoded))
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{
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if(!m_HasSelection)
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{
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m_CurSelStart = LastCursorPosDecoded;
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m_CurSelEnd = LastCursorPosDecoded;
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}
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m_CurSelEnd += (CursorPosDecoded - LastCursorPosDecoded);
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}
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}
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if(m_CurSelStart == m_CurSelEnd)
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SetHasSelection(false);
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else
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SetHasSelection(true);
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}
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else
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{
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if(m_HasSelection && (ManipulateChanges & CLineInput::LINE_INPUT_CHANGE_CURSOR) != 0)
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{
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if(m_CurSelStart < m_CurSelEnd)
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{
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if(m_CurCursor >= LastCursor)
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m_CurCursor = LastCursor;
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else
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TextRender()->DecodedOffToUTF8Off(pStr, m_CurSelStart, m_CurCursor);
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}
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else
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{
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if(m_CurCursor <= LastCursor)
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m_CurCursor = LastCursor;
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else
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TextRender()->DecodedOffToUTF8Off(pStr, m_CurSelStart, m_CurCursor);
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}
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}
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SetHasSelection(false);
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}
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}
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}
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}
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if(Inside)
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{
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UI()->SetHotItem(pID);
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}
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CUIRect Textbox = *pRect;
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RenderTools()->DrawUIRect(&Textbox, ColorRGBA(1, 1, 1, 0.5f), Corners, 3.0f);
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Textbox.Margin(2.0f, &Textbox);
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const char *pDisplayStr = pStr;
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char aStars[128];
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if(Hidden)
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{
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unsigned s = str_length(pDisplayStr);
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if(s >= sizeof(aStars))
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s = sizeof(aStars) - 1;
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for(unsigned int i = 0; i < s; ++i)
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aStars[i] = '*';
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aStars[s] = 0;
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pDisplayStr = aStars;
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}
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char aDispEditingText[128 + IInput::INPUT_TEXT_SIZE + 2] = {0};
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int DispCursorPos = m_CurCursor;
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if(UI()->LastActiveItem() == pID && Input()->GetIMEEditingTextLength() > -1)
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{
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int EditingTextCursor = Input()->GetEditingCursor();
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str_copy(aDispEditingText, pDisplayStr, sizeof(aDispEditingText));
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char aEditingText[IInput::INPUT_TEXT_SIZE + 2];
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if(Hidden)
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{
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// Do not show editing text in password field
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str_copy(aEditingText, "[*]", sizeof(aEditingText));
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EditingTextCursor = 1;
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}
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else
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{
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str_format(aEditingText, sizeof(aEditingText), "[%s]", Input()->GetIMEEditingText());
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}
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int NewTextLen = str_length(aEditingText);
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int CharsLeft = (int)sizeof(aDispEditingText) - str_length(aDispEditingText) - 1;
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int FillCharLen = minimum(NewTextLen, CharsLeft);
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for(int i = str_length(aDispEditingText) - 1; i >= m_CurCursor; i--)
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aDispEditingText[i + FillCharLen] = aDispEditingText[i];
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for(int i = 0; i < FillCharLen; i++)
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aDispEditingText[m_CurCursor + i] = aEditingText[i];
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DispCursorPos = m_CurCursor + EditingTextCursor + 1;
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pDisplayStr = aDispEditingText;
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UpdateOffset = true;
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}
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bool IsEmptyText = false;
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if(pDisplayStr[0] == '\0')
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{
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pDisplayStr = Properties.m_pEmptyText;
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IsEmptyText = true;
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TextRender()->TextColor(1, 1, 1, 0.75f);
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}
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|
||
DispCursorPos = minimum(DispCursorPos, str_length(pDisplayStr));
|
||
|
||
bool JustGotActive = false;
|
||
if(UI()->CheckActiveItem(pID))
|
||
{
|
||
if(!UI()->MouseButton(0))
|
||
{
|
||
UI()->SetActiveItem(nullptr);
|
||
}
|
||
}
|
||
else if(UI()->HotItem() == pID)
|
||
{
|
||
if(UI()->MouseButton(0))
|
||
{
|
||
if(UI()->LastActiveItem() != pID)
|
||
JustGotActive = true;
|
||
UI()->SetActiveItem(pID);
|
||
}
|
||
}
|
||
|
||
// check if the text has to be moved
|
||
if(UI()->LastActiveItem() == pID && !JustGotActive && (UpdateOffset || *m_pInputEventCount))
|
||
{
|
||
float w = TextRender()->TextWidth(0, FontSize, pDisplayStr, DispCursorPos, std::numeric_limits<float>::max());
|
||
if(w - *pOffset > Textbox.w)
|
||
{
|
||
// move to the left
|
||
float wt = TextRender()->TextWidth(0, FontSize, pDisplayStr, -1, std::numeric_limits<float>::max());
|
||
do
|
||
{
|
||
*pOffset += minimum(wt - *pOffset - Textbox.w, Textbox.w / 3);
|
||
} while(w - *pOffset > Textbox.w + 0.0001f);
|
||
}
|
||
else if(w - *pOffset < 0.0f)
|
||
{
|
||
// move to the right
|
||
do
|
||
{
|
||
*pOffset = maximum(0.0f, *pOffset - Textbox.w / 3);
|
||
} while(w - *pOffset < -0.0001f);
|
||
}
|
||
}
|
||
UI()->ClipEnable(pRect);
|
||
Textbox.x -= *pOffset;
|
||
|
||
CTextCursor SelCursor;
|
||
TextRender()->SetCursor(&SelCursor, 0, 0, 16, 0);
|
||
|
||
bool HasMouseSel = false;
|
||
if(UI()->LastActiveItem() == pID)
|
||
{
|
||
if(!m_MouseIsPress && UI()->MouseButtonClicked(0))
|
||
{
|
||
m_MouseIsPress = true;
|
||
m_MousePressX = UI()->MouseX();
|
||
m_MousePressY = UI()->MouseY();
|
||
}
|
||
}
|
||
|
||
if(m_MouseIsPress)
|
||
{
|
||
m_MouseCurX = UI()->MouseX();
|
||
m_MouseCurY = UI()->MouseY();
|
||
}
|
||
HasMouseSel = m_MouseIsPress && !IsEmptyText;
|
||
if(m_MouseIsPress && UI()->MouseButtonReleased(0))
|
||
{
|
||
m_MouseIsPress = false;
|
||
}
|
||
|
||
if(UI()->LastActiveItem() == pID)
|
||
{
|
||
int CursorPos = -1;
|
||
TextRender()->UTF8OffToDecodedOff(pDisplayStr, DispCursorPos, CursorPos);
|
||
|
||
SelCursor.m_CursorMode = HasMouseSel ? TEXT_CURSOR_CURSOR_MODE_CALCULATE : TEXT_CURSOR_CURSOR_MODE_SET;
|
||
SelCursor.m_CursorCharacter = CursorPos;
|
||
SelCursor.m_CalculateSelectionMode = HasMouseSel ? TEXT_CURSOR_SELECTION_MODE_CALCULATE : (m_HasSelection ? TEXT_CURSOR_SELECTION_MODE_SET : TEXT_CURSOR_SELECTION_MODE_NONE);
|
||
SelCursor.m_PressMouseX = m_MousePressX;
|
||
SelCursor.m_PressMouseY = m_MousePressY;
|
||
SelCursor.m_ReleaseMouseX = m_MouseCurX;
|
||
SelCursor.m_ReleaseMouseY = m_MouseCurY;
|
||
SelCursor.m_SelectionStart = m_CurSelStart;
|
||
SelCursor.m_SelectionEnd = m_CurSelEnd;
|
||
}
|
||
|
||
SLabelProperties Props;
|
||
Props.m_pSelCursor = &SelCursor;
|
||
Props.m_EnableWidthCheck = IsEmptyText;
|
||
UI()->DoLabel(&Textbox, pDisplayStr, FontSize, TEXTALIGN_LEFT, Props);
|
||
|
||
if(UI()->LastActiveItem() == pID)
|
||
{
|
||
if(SelCursor.m_CalculateSelectionMode == TEXT_CURSOR_SELECTION_MODE_CALCULATE)
|
||
{
|
||
m_CurSelStart = SelCursor.m_SelectionStart;
|
||
m_CurSelEnd = SelCursor.m_SelectionEnd;
|
||
SetHasSelection(m_CurSelStart != m_CurSelEnd);
|
||
}
|
||
if(SelCursor.m_CursorMode == TEXT_CURSOR_CURSOR_MODE_CALCULATE)
|
||
{
|
||
TextRender()->DecodedOffToUTF8Off(pDisplayStr, SelCursor.m_CursorCharacter, DispCursorPos);
|
||
m_CurCursor = DispCursorPos;
|
||
}
|
||
}
|
||
|
||
TextRender()->TextColor(1, 1, 1, 1);
|
||
|
||
// set the ime cursor
|
||
if(UI()->LastActiveItem() == pID && !JustGotActive)
|
||
{
|
||
float w = TextRender()->TextWidth(0, FontSize, pDisplayStr, DispCursorPos, std::numeric_limits<float>::max());
|
||
Textbox.x += w;
|
||
Input()->SetEditingPosition(Textbox.x, Textbox.y + FontSize);
|
||
}
|
||
|
||
UI()->ClipDisable();
|
||
|
||
return ReturnValue;
|
||
}
|
||
|
||
bool CUIEx::DoClearableEditBox(const void *pID, const void *pClearID, const CUIRect *pRect, char *pStr, unsigned StrSize, float FontSize, float *pOffset, bool Hidden, int Corners, const SUIExEditBoxProperties &Properties)
|
||
{
|
||
CUIRect EditBox;
|
||
CUIRect ClearButton;
|
||
pRect->VSplitRight(15.0f, &EditBox, &ClearButton);
|
||
bool ReturnValue = DoEditBox(pID, &EditBox, pStr, StrSize, FontSize, pOffset, Hidden, Corners & ~CUI::CORNER_R, Properties);
|
||
|
||
TextRender()->SetRenderFlags(ETextRenderFlags::TEXT_RENDER_FLAG_ONLY_ADVANCE_WIDTH | ETextRenderFlags::TEXT_RENDER_FLAG_NO_X_BEARING | ETextRenderFlags::TEXT_RENDER_FLAG_NO_Y_BEARING | ETextRenderFlags::TEXT_RENDER_FLAG_NO_PIXEL_ALIGMENT);
|
||
RenderTools()->DrawUIRect(&ClearButton, ColorRGBA(1, 1, 1, 0.33f * UI()->ButtonColorMul(pClearID)), Corners & ~CUI::CORNER_L, 3.0f);
|
||
|
||
SLabelProperties Props;
|
||
Props.m_AlignVertically = 0;
|
||
UI()->DoLabel(&ClearButton, "×", ClearButton.h * CUI::ms_FontmodHeight, TEXTALIGN_CENTER, Props);
|
||
TextRender()->SetRenderFlags(0);
|
||
if(UI()->DoButtonLogic(pClearID, 0, &ClearButton))
|
||
{
|
||
pStr[0] = 0;
|
||
UI()->SetActiveItem(pID);
|
||
ReturnValue = true;
|
||
}
|
||
return ReturnValue;
|
||
}
|