gzdoom/wadsrc/static/zscript/ui/menu/messagebox.zs

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Text

/*
** messagebox.cpp
** Confirmation, notification screens
**
**---------------------------------------------------------------------------
** Copyright 2010-2017 Christoph Oelckers
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
class MessageBoxMenu : Menu
{
BrokenLines mMessage;
voidptr Handler;
int mMessageMode;
int messageSelection;
int mMouseLeft, mMouseRight, mMouseY;
Name mAction;
Font textFont, arrowFont;
int destWidth, destHeight;
String selector;
native static void CallHandler(voidptr hnd);
//=============================================================================
//
//
//
//=============================================================================
virtual void Init(Menu parent, String message, int messagemode, bool playsound = false, Name cmd = 'None', voidptr native_handler = null)
{
Super.Init(parent);
mAction = cmd;
messageSelection = 0;
mMouseLeft = 140;
mMouseY = 0x80000000;
textFont = null;
if (!generic_ui)
{
if (SmallFont && SmallFont.CanPrint(message) && SmallFont.CanPrint("$TXT_YES") && SmallFont.CanPrint("$TXT_NO")) textFont = SmallFont;
else if (OriginalSmallFont && OriginalSmallFont.CanPrint(message) && OriginalSmallFont.CanPrint("$TXT_YES") && OriginalSmallFont.CanPrint("$TXT_NO")) textFont = OriginalSmallFont;
}
if (!textFont)
{
arrowFont = textFont = NewSmallFont;
int factor = (CleanXfac+1) / 2;
destWidth = screen.GetWidth() / factor;
destHeight = screen.GetHeight() / factor;
selector = "▶";
}
else
{
arrowFont = ConFont;
destWidth = CleanWidth;
destHeight = CleanHeight;
selector = "\xd";
}
int mr1 = destWidth/2 + 10 + textFont.StringWidth(Stringtable.Localize("$TXT_YES"));
int mr2 = destWidth/2 + 10 + textFont.StringWidth(Stringtable.Localize("$TXT_NO"));
mMouseRight = MAX(mr1, mr2);
mParentMenu = parent;
mMessage = textFont.BreakLines(Stringtable.Localize(message), generic_ui? 600 : 300);
mMessageMode = messagemode;
if (playsound)
{
MenuSound ("menu/prompt");
}
Handler = native_handler;
}
//=============================================================================
//
//
//
//=============================================================================
override void Drawer ()
{
int i, y;
int fontheight = textFont.GetHeight();
y = destHeight / 2;
int c = mMessage.Count();
y -= c * fontHeight / 2;
for (i = 0; i < c; i++)
{
screen.DrawText (textFont, Font.CR_UNTRANSLATED, destWidth/2 - mMessage.StringWidth(i)/2, y, mMessage.StringAt(i), DTA_VirtualWidth, destWidth, DTA_VirtualHeight, destHeight, DTA_KeepRatio, true);
y += fontheight;
}
if (mMessageMode == 0)
{
y += fontheight;
mMouseY = y;
screen.DrawText(textFont, messageSelection == 0? OptionMenuSettings.mFontColorSelection : OptionMenuSettings.mFontColor, destWidth / 2, y, Stringtable.Localize("$TXT_YES"), DTA_VirtualWidth, destWidth, DTA_VirtualHeight, destHeight, DTA_KeepRatio, true);
screen.DrawText(textFont, messageSelection == 1? OptionMenuSettings.mFontColorSelection : OptionMenuSettings.mFontColor, destWidth / 2, y + fontheight, Stringtable.Localize("$TXT_NO"), DTA_VirtualWidth, destWidth, DTA_VirtualHeight, destHeight, DTA_KeepRatio, true);
if (messageSelection >= 0)
{
if ((MenuTime() % 8) < 6)
{
screen.DrawText(arrowFont, OptionMenuSettings.mFontColorSelection,
destWidth/2 - 11, y + fontheight * messageSelection, selector, DTA_VirtualWidth, destWidth, DTA_VirtualHeight, destHeight, DTA_KeepRatio, true);
}
}
}
}
//=============================================================================
//
//
//
//=============================================================================
protected void CloseSound()
{
MenuSound (GetCurrentMenu() != NULL? "menu/backup" : "menu/dismiss");
}
//=============================================================================
//
//
//
//=============================================================================
virtual void HandleResult(bool res)
{
if (Handler != null)
{
if (res)
{
CallHandler(Handler);
}
else
{
Close();
CloseSound();
}
}
else if (mParentMenu != NULL)
{
if (mMessageMode == 0)
{
if (mAction == 'None')
{
mParentMenu.MenuEvent(res? MKEY_MBYes : MKEY_MBNo, false);
Close();
}
else
{
Close();
if (res) SetMenu(mAction, -1);
}
CloseSound();
}
}
}
//=============================================================================
//
//
//
//=============================================================================
override bool OnUIEvent(UIEvent ev)
{
if (ev.type == UIEvent.Type_KeyDown)
{
if (mMessageMode == 0)
{
// tolower
int ch = ev.KeyChar;
ch = ch >= 65 && ch <91? ch + 32 : ch;
if (ch == 110 /*'n'*/ || ch == 32)
{
HandleResult(false);
return true;
}
else if (ch == 121 /*'y'*/)
{
HandleResult(true);
return true;
}
}
else
{
Close();
return true;
}
return false;
}
return Super.OnUIEvent(ev);
}
override bool OnInputEvent(InputEvent ev)
{
if (ev.type == InputEvent.Type_KeyDown)
{
Close();
return true;
}
return Super.OnInputEvent(ev);
}
//=============================================================================
//
//
//
//=============================================================================
override bool MenuEvent(int mkey, bool fromcontroller)
{
if (mMessageMode == 0)
{
if (mkey == MKEY_Up || mkey == MKEY_Down)
{
MenuSound("menu/cursor");
messageSelection = !messageSelection;
return true;
}
else if (mkey == MKEY_Enter)
{
// 0 is yes, 1 is no
HandleResult(!messageSelection);
return true;
}
else if (mkey == MKEY_Back)
{
HandleResult(false);
return true;
}
return false;
}
else
{
Close();
CloseSound();
return true;
}
}
//=============================================================================
//
//
//
//=============================================================================
override bool MouseEvent(int type, int x, int y)
{
if (mMessageMode == 1)
{
if (type == MOUSE_Click)
{
return MenuEvent(MKEY_Enter, true);
}
return false;
}
else
{
int sel = -1;
int fh = textFont.GetHeight() + 1;
// convert x/y from screen to virtual coordinates, according to CleanX/Yfac use in DrawTexture
x = x * destWidth / screen.GetWidth();
y = y * destHeight / screen.GetHeight();
if (x >= mMouseLeft && x <= mMouseRight && y >= mMouseY && y < mMouseY + 2 * fh)
{
sel = y >= mMouseY + fh;
}
messageSelection = sel;
if (type == MOUSE_Release)
{
return MenuEvent(MKEY_Enter, true);
}
return true;
}
}
}