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1002 lines
25 KiB
C++
1002 lines
25 KiB
C++
/*
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** optionmenuitems.h
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** Control items for option menus
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**
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**---------------------------------------------------------------------------
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** Copyright 2010 Christoph Oelckers
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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#include "v_text.h"
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#include "v_draw.h"
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#include "gstrings.h"
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#include "v_font.h"
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void M_DrawConText (int color, int x, int y, const char *str);
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void M_SetVideoMode();
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//=============================================================================
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//
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// opens a submenu, action is a submenu name
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//
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//=============================================================================
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class FOptionMenuItemSubmenu : public FOptionMenuItem
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{
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int mParam;
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public:
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FOptionMenuItemSubmenu(const char *label, const char *menu, int param = 0)
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: FOptionMenuItem(label, menu)
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{
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mParam = param;
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}
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int Draw(FOptionMenuDescriptor *desc, int y, int indent, bool selected) override
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{
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drawLabel(indent, y, selected? OptionSettings.mFontColorSelection : OptionSettings.mFontColorMore);
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return indent;
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}
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bool Activate(FName caller) override
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{
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M_MenuSound(CursorSound);
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M_SetMenu(mAction, mParam);
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return true;
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}
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};
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//=============================================================================
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//
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// opens a submenu, command is a submenu name
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//
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//=============================================================================
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class FOptionMenuItemLabeledSubmenu : public FOptionMenuItemSubmenu
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{
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FBaseCVar *mLabelCVar;
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public:
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FOptionMenuItemLabeledSubmenu(const char * label, FBaseCVar *labelcvar, FName command, int param = 0)
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: FOptionMenuItemSubmenu(label, command, param)
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{
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mLabelCVar = labelcvar;
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}
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int Draw(FOptionMenuDescriptor *desc, int y, int indent, bool selected) override
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{
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drawLabel(indent, y, selected? OptionSettings.mFontColorSelection : OptionSettings.mFontColor);
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auto text = mLabelCVar? mLabelCVar->GetHumanString() : "";
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if (text[0] == 0) text = GStrings("notset");
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drawValue(indent, y, OptionSettings.mFontColorValue, text);
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return indent;
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}
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};
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//=============================================================================
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//
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// Executes a CCMD, action is a CCMD name
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//
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//=============================================================================
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class FOptionMenuItemCommand : public FOptionMenuItemSubmenu
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{
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public:
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FOptionMenuItemCommand(const char *label, const char *menu)
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: FOptionMenuItemSubmenu(label, menu)
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{
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}
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bool Activate(FName caller) override
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{
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M_MenuSound(AdvanceSound);
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C_DoCommand(mAction);
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return true;
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}
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};
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//=============================================================================
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//
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// Executes a CCMD after confirmation, action is a CCMD name
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//
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//=============================================================================
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class FOptionMenuItemSafeCommand : public FOptionMenuItemCommand
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{
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// action is a CCMD
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FString mPrompt;
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int mScriptId; // shouldn't be used, but just in case.
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public:
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FOptionMenuItemSafeCommand(const char *label, const char *menu, const char *prompt = nullptr, int scriptid = INT_MAX)
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: FOptionMenuItemCommand(label, menu)
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{
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mPrompt = prompt;
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mScriptId = scriptid;
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}
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bool MenuEvent (int mkey, bool fromcontroller) override
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{
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if (mkey == MKEY_MBYes)
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{
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C_DoCommand(mAction);
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return true;
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}
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return FOptionMenuItemCommand::MenuEvent(mkey, fromcontroller);
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}
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bool Activate(FName caller) override
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{
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auto msg = GStrings.localize(mPrompt.IsNotEmpty()? mPrompt.GetChars() : "$SAFEMESSAGE");
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auto actionLabel = GStrings.localize(mLabel.GetChars());
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//FStringf FullString("%s%s%s\n\n%s", TEXTCOLOR_WHITE, actionLabel, TEXTCOLOR_NORMAL, msg);
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FStringf FullString("- %s -\n%s", actionLabel, msg);
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M_StartMessage(FullString, 0, mScriptId);
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return true;
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}
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};
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//=============================================================================
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//
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// Base class for option lists
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//
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//=============================================================================
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class FOptionMenuItemOptionBase : public FOptionMenuItem
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{
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protected:
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// action is a CVAR
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FName mValues; // Entry in OptionValues table
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FBaseCVar *mGrayCheck;
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int mCenter;
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public:
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enum
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{
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OP_VALUES = 0x11001
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};
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FOptionMenuItemOptionBase(const char *label, const char *menu, const char *values, const char *graycheck, int center)
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: FOptionMenuItem(label, menu)
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{
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mValues = values;
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mGrayCheck = (FBoolCVar*)FindCVar(graycheck, NULL);
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mCenter = center;
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}
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bool SetString(int i, const char *newtext) override
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{
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if (i == OP_VALUES)
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{
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FOptionValues **opt = OptionValues.CheckKey(newtext);
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mValues = newtext;
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if (opt != NULL && *opt != NULL)
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{
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int s = GetSelection();
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if (s >= (int)(*opt)->mValues.Size()) s = 0;
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SetSelection(s); // readjust the CVAR if its value is outside the range now
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return true;
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}
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}
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return false;
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}
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//=============================================================================
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virtual int GetSelection() = 0;
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virtual void SetSelection(int Selection) = 0;
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//=============================================================================
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int Draw(FOptionMenuDescriptor *desc, int y, int indent, bool selected) override
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{
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if (mCenter)
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{
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indent = (screen->GetWidth() / 2);
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}
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drawLabel(indent, y, selected? OptionSettings.mFontColorSelection : OptionSettings.mFontColor, isGrayed());
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int Selection = GetSelection();
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const char *text;
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FOptionValues **opt = OptionValues.CheckKey(mValues);
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if (Selection < 0 || opt == NULL || *opt == NULL)
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{
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text = "Unknown";
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}
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else
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{
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text = (*opt)->mValues[Selection].Text;
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}
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if (*text == '$') text = GStrings(text + 1);
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drawValue(indent, y, OptionSettings.mFontColorValue, text, isGrayed());
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return indent;
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}
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//=============================================================================
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bool MenuEvent (int mkey, bool fromcontroller) override
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{
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FOptionValues **opt = OptionValues.CheckKey(mValues);
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if (opt != NULL && *opt != NULL && (*opt)->mValues.Size() > 0)
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{
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int Selection = GetSelection();
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if (mkey == MKEY_Left)
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{
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if (Selection == -1) Selection = 0;
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else if (--Selection < 0) Selection = (*opt)->mValues.Size()-1;
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}
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else if (mkey == MKEY_Right || mkey == MKEY_Enter)
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{
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if (++Selection >= (int)(*opt)->mValues.Size()) Selection = 0;
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}
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else
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{
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return FOptionMenuItem::MenuEvent(mkey, fromcontroller);
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}
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SetSelection(Selection);
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M_MenuSound(ChangeSound);
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}
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return true;
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}
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virtual bool isGrayed()
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{
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return mGrayCheck != NULL && !(mGrayCheck->GetGenericRep(CVAR_Bool).Bool);
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}
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bool Selectable() override
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{
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return !isGrayed();
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}
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};
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//=============================================================================
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//
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// Change a CVAR, action is the CVAR name
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//
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//=============================================================================
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class FOptionMenuItemOption : public FOptionMenuItemOptionBase
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{
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// action is a CVAR
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FBaseCVar *mCVar;
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public:
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FOptionMenuItemOption(const char *label, const char *menu, const char *values, const char *graycheck, int center)
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: FOptionMenuItemOptionBase(label, menu, values, graycheck, center)
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{
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mCVar = FindCVar(mAction, NULL);
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}
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//=============================================================================
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int GetSelection() override
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{
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int Selection = -1;
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FOptionValues **opt = OptionValues.CheckKey(mValues);
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if (opt != NULL && *opt != NULL && mCVar != NULL && (*opt)->mValues.Size() > 0)
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{
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if ((*opt)->mValues[0].TextValue.IsEmpty())
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{
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UCVarValue cv = mCVar->GetGenericRep(CVAR_Float);
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for(unsigned i = 0; i < (*opt)->mValues.Size(); i++)
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{
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if (fabs(cv.Float - (*opt)->mValues[i].Value) < FLT_EPSILON)
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{
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Selection = i;
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break;
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}
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}
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}
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else
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{
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UCVarValue cv = mCVar->GetGenericRep(CVAR_String);
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for(unsigned i = 0; i < (*opt)->mValues.Size(); i++)
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{
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if ((*opt)->mValues[i].TextValue.CompareNoCase(cv.String) == 0)
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{
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Selection = i;
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break;
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}
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}
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}
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}
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return Selection;
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}
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void SetSelection(int Selection) override
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{
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UCVarValue value;
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FOptionValues **opt = OptionValues.CheckKey(mValues);
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if (opt != NULL && *opt != NULL && mCVar != NULL && (*opt)->mValues.Size() > 0)
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{
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if ((*opt)->mValues[0].TextValue.IsEmpty())
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{
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value.Float = (float)(*opt)->mValues[Selection].Value;
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mCVar->SetGenericRep (value, CVAR_Float);
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}
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else
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{
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value.String = (*opt)->mValues[Selection].TextValue.LockBuffer();
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mCVar->SetGenericRep (value, CVAR_String);
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(*opt)->mValues[Selection].TextValue.UnlockBuffer();
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}
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}
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}
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};
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//=============================================================================
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//
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// This class is used to capture the key to be used as the new key binding
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// for a control item
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//
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//=============================================================================
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class DEnterKey : public DMenu
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{
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int *pKey;
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public:
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DEnterKey(DMenu *parent, int *keyptr)
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: DMenu(parent)
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{
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pKey = keyptr;
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SetMenuMessage(1);
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menuactive = MENU_WaitKey; // There should be a better way to disable GUI capture...
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mouseGrabInput(true);
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}
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bool TranslateKeyboardEvents() override
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{
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return false;
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}
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void SetMenuMessage(int which)
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{
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DOptionMenu *m = static_cast<DOptionMenu*>(mParentMenu);
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if (m)
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{
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FListMenuItem *it = m->GetItem(NAME_Controlmessage);
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if (it != NULL)
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{
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it->SetValue(0, which);
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}
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}
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}
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bool Responder(event_t *ev) override
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{
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if (ev->type == EV_KeyDown)
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{
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*pKey = ev->data1;
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menuactive = MENU_On;
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mouseGrabInput(false);
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SetMenuMessage(0);
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auto p = mParentMenu;
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Close();
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p->MenuEvent((ev->data1 == KEY_ESCAPE)? MKEY_Abort : MKEY_Input, 0);
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return true;
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}
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return false;
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}
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void Drawer() override
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{
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mParentMenu->Drawer();
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}
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};
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//=============================================================================
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//
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// // Edit a key binding, Action is the CCMD to bind
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//
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//=============================================================================
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class FOptionMenuItemControl : public FOptionMenuItem
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{
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FKeyBindings *mBindings;
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int mInput;
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bool mWaiting;
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public:
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FOptionMenuItemControl(const char *label, const char *menu, FKeyBindings *bindings)
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: FOptionMenuItem(label, menu)
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{
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mBindings = bindings;
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mWaiting = false;
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}
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//=============================================================================
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int Draw(FOptionMenuDescriptor *desc, int y, int indent, bool selected) override
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{
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drawLabel(indent, y, mWaiting? OptionSettings.mFontColorHighlight:
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(selected? OptionSettings.mFontColorSelection : OptionSettings.mFontColor));
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auto binds = mBindings->GetKeysForCommand(mAction);
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auto description = C_NameKeys(binds.Data(), binds.Size());
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if (description.Len() > 0)
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{
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drawValue(indent, y, CR_WHITE, description);
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}
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else
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{
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drawValue(indent, y, CR_BLACK, "---");
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}
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return indent;
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}
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//=============================================================================
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bool MenuEvent(int mkey, bool fromcontroller) override
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{
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if (mkey == MKEY_Input)
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{
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mWaiting = false;
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mBindings->SetBind(mInput, mAction);
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return true;
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}
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else if (mkey == MKEY_Clear)
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{
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mBindings->UnbindACommand(mAction);
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return true;
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}
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else if (mkey == MKEY_Abort)
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{
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mWaiting = false;
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return true;
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}
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return false;
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}
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bool Activate(FName caller) override
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{
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M_MenuSound(AdvanceSound);
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mWaiting = true;
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DMenu *input = new DEnterKey(DMenu::CurrentMenu, &mInput);
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M_ActivateMenu(input);
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return true;
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}
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};
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//=============================================================================
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//
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//
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//
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//=============================================================================
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class FOptionMenuItemStaticText : public FOptionMenuItem
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{
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EColorRange mColor;
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public:
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FOptionMenuItemStaticText(const char *label, EColorRange color = CR_UNDEFINED)
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: FOptionMenuItem(label, NAME_None, true)
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{
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mColor = color == CR_UNDEFINED? (EColorRange)OptionSettings.mFontColor : color;
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}
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int Draw(FOptionMenuDescriptor *desc, int y, int indent, bool selected) override
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{
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drawLabel(indent, y, mColor);
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return -1;
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}
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bool Selectable() override
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{
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return false;
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}
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};
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//=============================================================================
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//
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//
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//
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//=============================================================================
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class FOptionMenuItemStaticTextSwitchable : public FOptionMenuItem
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{
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EColorRange mColor;
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FString mAltText;
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int mCurrent;
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public:
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FOptionMenuItemStaticTextSwitchable(const char *label, const char *label2, FName action, EColorRange color = CR_UNDEFINED)
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: FOptionMenuItem(label, action, true)
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{
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mColor = color == CR_UNDEFINED? (EColorRange)OptionSettings.mFontColor : color;
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mAltText = label2;
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mCurrent = 0;
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}
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int Draw(FOptionMenuDescriptor *desc, int y, int indent, bool selected) override
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{
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const char *txt = GStrings.localize(mCurrent? mAltText.GetChars() : mLabel.GetChars());
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int w = OptionWidth(txt) * CleanXfac_1;
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int x = (screen->GetWidth() - w) / 2;
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drawText(x, y, mColor, txt);
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return -1;
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}
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bool SetValue(int i, int val) override
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{
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if (i == 0)
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{
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mCurrent = val;
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return true;
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}
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return false;
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}
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bool SetString(int i, const char *newtext) override
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{
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if (i == 0)
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{
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mAltText = newtext;
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return true;
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}
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return false;
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}
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bool Selectable() override
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{
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return false;
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}
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};
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//=============================================================================
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//
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//
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//
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//=============================================================================
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class FOptionMenuSliderBase : public FOptionMenuItem
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{
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// action is a CVAR
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double mMin, mMax, mStep;
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int mShowValue;
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int mDrawX;
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int mSliderShort;
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public:
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FOptionMenuSliderBase(const char *label, double min, double max, double step, int showval, FName command = NAME_None)
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: FOptionMenuItem(label, command)
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{
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mMin = min;
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mMax = max;
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mStep = step;
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mShowValue = showval;
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mDrawX = 0;
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mSliderShort = 0;
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}
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virtual double GetSliderValue() = 0;
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virtual void SetSliderValue(double val) = 0;
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//=============================================================================
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//
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// Draw a slider. Set fracdigits negative to not display the current value numerically.
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//
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//=============================================================================
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void DrawSliderElement (int color, int x, int y, const char * str)
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{
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DrawText (twod, ConFont, color, x, y, str, DTA_CellX, 16 * CleanXfac_1, DTA_CellY, 16 * CleanYfac_1, TAG_DONE);
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}
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void DrawSlider (int x, int y, double min, double max, double cur, int fracdigits, int indent)
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{
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char textbuf[16];
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double range;
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int maxlen = 0;
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int right = x + (12*16 + 4) * CleanXfac_1;
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int cy = y;// +(OptionSettings.mLinespacing - 8) * CleanYfac_1;
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range = max - min;
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double ccur = clamp(cur, min, max) - min;
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if (fracdigits >= 0)
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{
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snprintf(textbuf, countof(textbuf), "%.*f", fracdigits, max);
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maxlen = NewSmallFont->StringWidth(textbuf) * CleanXfac_1;
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}
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mSliderShort = right + maxlen > screen->GetWidth();
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if (!mSliderShort)
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{
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DrawSliderElement(CR_WHITE, x, cy, "\x10\x11\x11\x11\x11\x11\x11\x11\x11\x11\x11\x12");
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DrawSliderElement(CR_ORANGE, x + int((5 + ((ccur * 78) / range)) * 2*CleanXfac_1), cy, "\x13");
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}
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else
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{
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// On 320x200 we need a shorter slider
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DrawSliderElement(CR_WHITE, x, cy, "\x10\x11\x11\x11\x11\x11\x12");
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DrawSliderElement(CR_ORANGE, x + int((5 + ((ccur * 38) / range)) * 2*CleanXfac_1), cy, "\x13");
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right -= 5*8*CleanXfac_1;
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}
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if (fracdigits >= 0 && right + maxlen <= screen->GetWidth())
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{
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snprintf(textbuf, countof(textbuf), "%.*f", fracdigits, cur);
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drawText(right, y, CR_DARKGRAY, textbuf);
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}
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}
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//=============================================================================
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int Draw(FOptionMenuDescriptor *desc, int y, int indent, bool selected) override
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{
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drawLabel(indent, y, selected? OptionSettings.mFontColorSelection : OptionSettings.mFontColor);
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mDrawX = indent + CursorSpace();
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DrawSlider (mDrawX, y, mMin, mMax, GetSliderValue(), mShowValue, indent);
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return indent;
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}
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//=============================================================================
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bool MenuEvent (int mkey, bool fromcontroller) override
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{
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double value = GetSliderValue();
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if (mkey == MKEY_Left)
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{
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value -= mStep;
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}
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else if (mkey == MKEY_Right)
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{
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value += mStep;
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}
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else
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{
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return FOptionMenuItem::MenuEvent(mkey, fromcontroller);
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}
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SetSliderValue(clamp(value, mMin, mMax));
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M_MenuSound(ChangeSound);
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return true;
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}
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bool MouseEvent(int type, int x, int y) override
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{
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DOptionMenu *lm = static_cast<DOptionMenu*>(DMenu::CurrentMenu);
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if (type != DMenu::MOUSE_Click)
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{
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if (!lm->CheckFocus(this)) return false;
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}
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if (type == DMenu::MOUSE_Release)
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{
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lm->ReleaseFocus();
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}
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int slide_left = mDrawX+8*CleanXfac_1;
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int slide_right = slide_left + (10*8*CleanXfac_1 >> mSliderShort); // 10 char cells with 8 pixels each.
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if (type == DMenu::MOUSE_Click)
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{
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if (x < slide_left || x >= slide_right) return true;
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}
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x = clamp(x, slide_left, slide_right);
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double v = mMin + ((x - slide_left) * (mMax - mMin)) / (slide_right - slide_left);
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if (v != GetSliderValue())
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{
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SetSliderValue(v);
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M_MenuSound(ChangeSound);
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}
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if (type == DMenu::MOUSE_Click)
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{
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lm->SetFocus(this);
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}
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return true;
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}
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};
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//=============================================================================
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//
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//
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//
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//=============================================================================
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class FOptionMenuSliderCVar : public FOptionMenuSliderBase
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{
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FBaseCVar *mCVar;
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public:
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FOptionMenuSliderCVar(const char *label, const char *menu, double min, double max, double step, int showval)
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: FOptionMenuSliderBase(label, min, max, step, showval)
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{
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mCVar = FindCVar(menu, NULL);
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}
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double GetSliderValue() override
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{
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if (mCVar != NULL)
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{
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return mCVar->GetGenericRep(CVAR_Float).Float;
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}
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else
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{
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return 0;
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}
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}
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void SetSliderValue(double val) override
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{
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if (mCVar != NULL)
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{
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UCVarValue value;
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value.Float = (float)val;
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mCVar->SetGenericRep(value, CVAR_Float);
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}
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}
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};
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//=============================================================================
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//
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//
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//
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//=============================================================================
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class FOptionMenuSliderVar : public FOptionMenuSliderBase
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{
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float *mPVal;
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public:
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FOptionMenuSliderVar(const char *label, float *pVal, double min, double max, double step, int showval)
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: FOptionMenuSliderBase(label, min, max, step, showval)
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{
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mPVal = pVal;
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}
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double GetSliderValue() override
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{
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return *mPVal;
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}
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void SetSliderValue(double val) override
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{
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*mPVal = (float)val;
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}
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};
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|
|
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//=============================================================================
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//
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// [TP] FOptionMenuFieldBase
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//
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// Base class for input fields
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//
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//=============================================================================
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class FOptionMenuFieldBase : public FOptionMenuItem
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{
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public:
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FOptionMenuFieldBase ( const char* label, const char* menu, const char* graycheck ) :
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FOptionMenuItem ( label, menu ),
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mCVar ( FindCVar( mAction, NULL )),
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mGrayCheck (( graycheck && strlen( graycheck )) ? FindCVar( graycheck, NULL ) : NULL ) {}
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const char* GetCVarString()
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{
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if ( mCVar == NULL )
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return "";
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return mCVar->GetGenericRep( CVAR_String ).String;
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}
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virtual FString Represent()
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{
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return GetCVarString();
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}
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int Draw ( FOptionMenuDescriptor*, int y, int indent, bool selected ) override
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{
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bool grayed = mGrayCheck != NULL && !( mGrayCheck->GetGenericRep( CVAR_Bool ).Bool );
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drawLabel(indent, y, selected ? OptionSettings.mFontColorSelection : OptionSettings.mFontColor, grayed);
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drawValue(indent, y, OptionSettings.mFontColorValue, Represent(), grayed);
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return indent;
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}
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bool GetString ( int i, char* s, int len ) override
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|
{
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if ( i == 0 )
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|
{
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strncpy( s, GetCVarString(), len );
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s[len - 1] = '\0';
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return true;
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|
}
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return false;
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}
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bool SetString ( int i, const char* s ) override
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|
{
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if ( i == 0 )
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{
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if ( mCVar )
|
|
{
|
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UCVarValue vval;
|
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vval.String = s;
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mCVar->SetGenericRep( vval, CVAR_String );
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}
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return true;
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}
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return false;
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}
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protected:
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// Action is a CVar in this class and derivatives.
|
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FBaseCVar* mCVar;
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FBaseCVar* mGrayCheck;
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};
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|
|
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//=============================================================================
|
|
//
|
|
// [TP] FOptionMenuTextField
|
|
//
|
|
// A text input field widget, for use with string CVars.
|
|
//
|
|
//=============================================================================
|
|
|
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class FOptionMenuTextField : public FOptionMenuFieldBase
|
|
{
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|
public:
|
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FOptionMenuTextField ( const char *label, const char* menu, const char* graycheck ) :
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FOptionMenuFieldBase ( label, menu, graycheck ),
|
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mEntering ( false ) {}
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FString Represent() override
|
|
{
|
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if (mEntering)
|
|
{
|
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FString text;
|
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text = mInput->GetText();
|
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text += '_';
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return text;
|
|
}
|
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else return FString(GetCVarString());
|
|
}
|
|
|
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int Draw(FOptionMenuDescriptor*desc, int y, int indent, bool selected) override
|
|
{
|
|
if (mEntering)
|
|
{
|
|
// reposition the text so that the cursor is visible when in entering mode.
|
|
FString text = Represent();
|
|
int tlen = NewSmallFont->StringWidth(text) * CleanXfac_1;
|
|
int newindent = screen->GetWidth() - tlen - CursorSpace();
|
|
if (newindent < indent) indent = newindent;
|
|
}
|
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return FOptionMenuFieldBase::Draw(desc, y, indent, selected);
|
|
}
|
|
|
|
bool MenuEvent ( int mkey, bool fromcontroller ) override
|
|
{
|
|
if ( mkey == MKEY_Enter )
|
|
{
|
|
M_MenuSound(AdvanceSound);
|
|
mEntering = true;
|
|
mInput = new DTextEnterMenu(DMenu::CurrentMenu, NewSmallFont, GetCVarString(), 256, fromcontroller );
|
|
M_ActivateMenu( mInput );
|
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return true;
|
|
}
|
|
else if ( mkey == MKEY_Input )
|
|
{
|
|
if ( mCVar )
|
|
{
|
|
UCVarValue vval;
|
|
vval.String = mInput->GetText();
|
|
mCVar->SetGenericRep( vval, CVAR_String );
|
|
}
|
|
|
|
mEntering = false;
|
|
mInput = nullptr;
|
|
return true;
|
|
}
|
|
else if ( mkey == MKEY_Abort )
|
|
{
|
|
mEntering = false;
|
|
mInput = nullptr;
|
|
return true;
|
|
}
|
|
|
|
return FOptionMenuItem::MenuEvent( mkey, fromcontroller );
|
|
}
|
|
|
|
private:
|
|
bool mEntering;
|
|
DTextEnterMenu* mInput;
|
|
};
|
|
|
|
//=============================================================================
|
|
//
|
|
// [TP] FOptionMenuNumberField
|
|
//
|
|
// A numeric input field widget, for use with number CVars where sliders are inappropriate (i.e.
|
|
// where the user is interested in the exact value specifically)
|
|
//
|
|
//=============================================================================
|
|
|
|
class FOptionMenuNumberField : public FOptionMenuFieldBase
|
|
{
|
|
public:
|
|
FOptionMenuNumberField ( const char *label, const char* menu, float minimum, float maximum,
|
|
float step, const char* graycheck )
|
|
: FOptionMenuFieldBase ( label, menu, graycheck ),
|
|
mMinimum ( minimum ),
|
|
mMaximum ( maximum ),
|
|
mStep ( step )
|
|
{
|
|
if ( mMaximum <= mMinimum )
|
|
std::swap( mMinimum, mMaximum );
|
|
|
|
if ( mStep <= 0 )
|
|
mStep = 1;
|
|
}
|
|
|
|
bool MenuEvent ( int mkey, bool fromcontroller ) override
|
|
{
|
|
if ( mCVar )
|
|
{
|
|
float value = mCVar->GetGenericRep( CVAR_Float ).Float;
|
|
|
|
if ( mkey == MKEY_Left )
|
|
{
|
|
value -= mStep;
|
|
|
|
if ( value < mMinimum )
|
|
value = mMaximum;
|
|
}
|
|
else if ( mkey == MKEY_Right || mkey == MKEY_Enter )
|
|
{
|
|
value += mStep;
|
|
|
|
if ( value > mMaximum )
|
|
value = mMinimum;
|
|
}
|
|
else
|
|
return FOptionMenuItem::MenuEvent( mkey, fromcontroller );
|
|
|
|
UCVarValue vval;
|
|
vval.Float = value;
|
|
mCVar->SetGenericRep( vval, CVAR_Float );
|
|
M_MenuSound(ChangeSound);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
private:
|
|
float mMinimum;
|
|
float mMaximum;
|
|
float mStep;
|
|
};
|