raze/wadsrc/static/zscript/engine/ui/menu/optionmenu.zs
Christoph Oelckers 84173ee09b - backend update from GZDoom.
The main bulk of this is the new start screen code. To make this work in Raze some more work on the startup procedure is needed.
What this does provide is support for the DOS end-of-game text screens in Duke and SW on non-Windows systems.
2022-06-06 11:45:34 +02:00

603 lines
15 KiB
Text

/*
** optionmenu.cpp
** Handler class for the option menus and associated items
**
**---------------------------------------------------------------------------
** 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.
**---------------------------------------------------------------------------
**
*/
struct FOptionMenuSettings native version("2.4")
{
int mTitleColor;
int mFontColor;
int mFontColorValue;
int mFontColorMore;
int mFontColorHeader;
int mFontColorHighlight;
int mFontColorSelection;
int mLinespacing;
}
class OptionMenuDescriptor : MenuDescriptor native
{
native Array<OptionMenuItem> mItems;
native String mTitle;
native int mSelectedItem;
native int mDrawTop;
native int mScrollTop;
native int mScrollPos;
native int mIndent;
native int mPosition;
native bool mDontDim;
native Font mFont;
void Reset()
{
// Reset the default settings (ignore all other values in the struct)
mPosition = 0;
mScrollTop = 0;
mIndent = 0;
mDontDim = 0;
}
//=============================================================================
//
//
//
//=============================================================================
void CalcIndent()
{
// calculate the menu indent
int widest = 0, thiswidth;
for (int i = 0; i < mItems.Size(); i++)
{
thiswidth = mItems[i].GetIndent();
if (thiswidth > widest) widest = thiswidth;
}
mIndent = widest + 4;
}
}
class OptionMenu : Menu
{
OptionMenuDescriptor mDesc;
bool CanScrollUp;
bool CanScrollDown;
int VisBottom;
OptionMenuItem mFocusControl;
//=============================================================================
//
//
//
//=============================================================================
virtual void Init(Menu parent, OptionMenuDescriptor desc)
{
mParentMenu = parent;
mDesc = desc;
DontDim = desc.mDontDim;
let itemCount = mDesc.mItems.size();
if (itemCount > 0)
{
let last = mDesc.mItems[itemCount - 1];
bool lastIsText = (last is "OptionMenuItemStaticText");
if (lastIsText)
{
String text = last.mLabel;
bool lastIsSpace = (text == "" || text == " ");
if (lastIsSpace)
{
mDesc.mItems.Pop();
}
}
}
if (mDesc.mSelectedItem == -1) mDesc.mSelectedItem = FirstSelectable();
mDesc.CalcIndent();
// notify all items that the menu was just created.
for(int i=0;i<mDesc.mItems.Size(); i++)
{
mDesc.mItems[i].OnMenuCreated();
}
}
//=============================================================================
//
//
//
//=============================================================================
OptionMenuItem GetItem(Name name)
{
for(int i = 0; i < mDesc.mItems.Size(); i++)
{
Name nm = mDesc.mItems[i].GetAction();
if (nm == name) return mDesc.mItems[i];
}
return NULL;
}
//=============================================================================
//
//
//
//=============================================================================
int FirstSelectable()
{
// Go down to the first selectable item
int i = -1;
do
{
i++;
}
while (i < mDesc.mItems.Size() && !mDesc.mItems[i].Selectable());
if (i>=0 && i < mDesc.mItems.Size()) return i;
else return -1;
}
//=============================================================================
//
//
//
//=============================================================================
override bool OnUIEvent(UIEvent ev)
{
if (ev.type == UIEvent.Type_WheelUp)
{
int scrollamt = MIN(2, mDesc.mScrollPos);
mDesc.mScrollPos -= scrollamt;
return true;
}
else if (ev.type == UIEvent.Type_WheelDown)
{
if (CanScrollDown)
{
if (VisBottom >= 0 && VisBottom < (mDesc.mItems.Size()-2))
{
mDesc.mScrollPos += 2;
VisBottom += 2;
}
else if (VisBottom < mDesc.mItems.Size()-1)
{
mDesc.mScrollPos++;
VisBottom++;
}
}
return true;
}
else if (ev.type == UIEvent.Type_Char)
{
int key = String.CharLower(ev.keyChar);
int itemsNumber = mDesc.mItems.Size();
int direction = ev.IsAlt ? -1 : 1;
for (int i = 0; i < itemsNumber; ++i)
{
int index = (mDesc.mSelectedItem + direction * (i + 1) + itemsNumber) % itemsNumber;
if (!mDesc.mItems[index].Selectable()) continue;
String label = StringTable.Localize(mDesc.mItems[index].mLabel);
int firstLabelCharacter = String.CharLower(label.GetNextCodePoint(0));
if (firstLabelCharacter == key)
{
mDesc.mSelectedItem = index;
break;
}
}
if (mDesc.mSelectedItem <= mDesc.mScrollTop + mDesc.mScrollPos
|| mDesc.mSelectedItem > VisBottom)
{
int pagesize = VisBottom - mDesc.mScrollPos - mDesc.mScrollTop;
mDesc.mScrollPos = clamp(mDesc.mSelectedItem - mDesc.mScrollTop - 1, 0, mDesc.mItems.size() - pagesize - 1);
}
}
return Super.OnUIEvent(ev);
}
//=============================================================================
//
//
//
//=============================================================================
override bool MenuEvent (int mkey, bool fromcontroller)
{
int startedAt = mDesc.mSelectedItem;
switch (mkey)
{
case MKEY_Up:
if (mDesc.mSelectedItem == -1)
{
mDesc.mSelectedItem = FirstSelectable();
break;
}
do
{
--mDesc.mSelectedItem;
if (mDesc.mScrollPos > 0 &&
mDesc.mSelectedItem <= mDesc.mScrollTop + mDesc.mScrollPos)
{
mDesc.mScrollPos = MAX(mDesc.mSelectedItem - mDesc.mScrollTop - 1, 0);
}
if (mDesc.mSelectedItem < 0)
{
// Figure out how many lines of text fit on the menu
int y = mDesc.mPosition;
if (y <= 0)
{
y = DrawCaption(mDesc.mTitle, -y, false);
}
int rowheight = OptionMenuSettings.mLinespacing * CleanYfac_1;
int maxitems = (screen.GetHeight() - rowheight - y) / rowheight + 1;
mDesc.mScrollPos = MAX (0, mDesc.mItems.Size() - maxitems + mDesc.mScrollTop);
mDesc.mSelectedItem = mDesc.mItems.Size()-1;
}
}
while (!mDesc.mItems[mDesc.mSelectedItem].Selectable() && mDesc.mSelectedItem != startedAt);
break;
case MKEY_Down:
if (mDesc.mSelectedItem == -1)
{
mDesc.mSelectedItem = FirstSelectable();
break;
}
do
{
++mDesc.mSelectedItem;
if (CanScrollDown && mDesc.mSelectedItem == VisBottom)
{
mDesc.mScrollPos++;
VisBottom++;
}
if (mDesc.mSelectedItem >= mDesc.mItems.Size())
{
if (startedAt == -1)
{
mDesc.mSelectedItem = -1;
mDesc.mScrollPos = -1;
break;
}
else
{
mDesc.mSelectedItem = 0;
mDesc.mScrollPos = 0;
}
}
}
while (!mDesc.mItems[mDesc.mSelectedItem].Selectable() && mDesc.mSelectedItem != startedAt);
break;
case MKEY_PageUp:
if (mDesc.mScrollPos > 0)
{
mDesc.mScrollPos -= VisBottom - mDesc.mScrollPos - mDesc.mScrollTop;
if (mDesc.mScrollPos < 0)
{
mDesc.mScrollPos = 0;
}
if (mDesc.mSelectedItem != -1)
{
mDesc.mSelectedItem = mDesc.mScrollTop + mDesc.mScrollPos + 1;
while (!mDesc.mItems[mDesc.mSelectedItem].Selectable())
{
if (++mDesc.mSelectedItem >= mDesc.mItems.Size())
{
mDesc.mSelectedItem = 0;
}
}
if (mDesc.mScrollPos > mDesc.mSelectedItem)
{
mDesc.mScrollPos = mDesc.mSelectedItem;
}
}
}
break;
case MKEY_PageDown:
if (CanScrollDown)
{
int pagesize = VisBottom - mDesc.mScrollPos - mDesc.mScrollTop;
mDesc.mScrollPos += pagesize;
if (mDesc.mScrollPos + mDesc.mScrollTop + pagesize > mDesc.mItems.Size())
{
mDesc.mScrollPos = mDesc.mItems.Size() - mDesc.mScrollTop - pagesize;
}
if (mDesc.mSelectedItem != -1)
{
mDesc.mSelectedItem = mDesc.mScrollTop + mDesc.mScrollPos;
while (!mDesc.mItems[mDesc.mSelectedItem].Selectable())
{
if (++mDesc.mSelectedItem >= mDesc.mItems.Size())
{
mDesc.mSelectedItem = 0;
}
}
if (mDesc.mScrollPos > mDesc.mSelectedItem)
{
mDesc.mScrollPos = mDesc.mSelectedItem;
}
}
}
break;
case MKEY_Enter:
if (mDesc.mSelectedItem >= 0 && mDesc.mItems[mDesc.mSelectedItem].Activate())
{
return true;
}
// fall through to default
default:
if (mDesc.mSelectedItem >= 0 &&
mDesc.mItems[mDesc.mSelectedItem].MenuEvent(mkey, fromcontroller)) return true;
return Super.MenuEvent(mkey, fromcontroller);
}
if (mDesc.mSelectedItem != startedAt)
{
MenuSound ("menu/cursor");
}
return true;
}
//=============================================================================
//
//
//
//=============================================================================
override bool MouseEvent(int type, int x, int y)
{
y = (y / CleanYfac_1) - mDesc.mDrawTop;
if (mFocusControl)
{
mFocusControl.MouseEvent(type, x, y);
return true;
}
else
{
int yline = (y / OptionMenuSettings.mLinespacing);
if (yline >= mDesc.mScrollTop)
{
yline += mDesc.mScrollPos;
}
if (yline >= 0 && yline < mDesc.mItems.Size() && mDesc.mItems[yline].Selectable())
{
if (yline != mDesc.mSelectedItem)
{
mDesc.mSelectedItem = yline;
}
mDesc.mItems[yline].MouseEvent(type, x, y);
return true;
}
}
mDesc.mSelectedItem = -1;
return Super.MouseEvent(type, x, y);
}
//=============================================================================
//
//
//
//=============================================================================
override void Ticker ()
{
Super.Ticker();
for(int i = 0; i < mDesc.mItems.Size(); i++)
{
mDesc.mItems[i].Ticker();
}
}
//=============================================================================
//
//
//
//=============================================================================
virtual int GetIndent()
{
int indent = max(0, (mDesc.mIndent + 40) - CleanWidth_1 / 2);
return screen.GetWidth() / 2 + indent * CleanXfac_1;
}
//=============================================================================
//
// draws and/or measures the caption.
//
//=============================================================================
virtual int DrawCaption(String title, int y, bool drawit)
{
let font = menuDelegate.PickFont(mDesc.mFont);
if (font && mDesc.mTitle.Length() > 0)
{
return menuDelegate.DrawCaption(title, font, y, drawit);
}
else
{
return y;
}
}
//=============================================================================
//
//
//
//=============================================================================
override void Drawer ()
{
int y = mDesc.mPosition;
if (y <= 0)
{
y = DrawCaption(mDesc.mTitle, -y, true);
}
mDesc.mDrawTop = y / CleanYfac_1; // mouse checks are done in clean space.
int fontheight = OptionMenuSettings.mLinespacing * CleanYfac_1;
int indent = GetIndent();
int ytop = y + mDesc.mScrollTop * 8 * CleanYfac_1;
int lastrow = screen.GetHeight() - OptionHeight() * CleanYfac_1;
int i;
for (i = 0; i < mDesc.mItems.Size() && y <= lastrow; i++)
{
// Don't scroll the uppermost items
if (i == mDesc.mScrollTop)
{
i += mDesc.mScrollPos;
if (i >= mDesc.mItems.Size()) break; // skipped beyond end of menu
}
bool isSelected = mDesc.mSelectedItem == i;
int cur_indent = mDesc.mItems[i].Draw(mDesc, y, indent, isSelected);
if (cur_indent >= 0 && isSelected && mDesc.mItems[i].Selectable())
{
if (((MenuTime() % 8) < 6) || GetCurrentMenu() != self)
{
DrawOptionText(cur_indent + 3 * CleanXfac_1, y, OptionMenuSettings.mFontColorSelection, "◄");
}
}
y += fontheight;
}
CanScrollUp = (mDesc.mScrollPos > 0);
CanScrollDown = (i < mDesc.mItems.Size());
VisBottom = i - 1;
if (CanScrollUp)
{
DrawOptionText(screen.GetWidth() - 11 * CleanXfac_1, ytop, OptionMenuSettings.mFontColorSelection, "▲");
}
if (CanScrollDown)
{
DrawOptionText(screen.GetWidth() - 11 * CleanXfac_1 , y - 8*CleanYfac_1, OptionMenuSettings.mFontColorSelection, "▼");
}
Super.Drawer();
}
//=============================================================================
//
//
//
//=============================================================================
override void SetFocus(MenuItemBase fc)
{
mFocusControl = OptionMenuItem(fc);
}
override bool CheckFocus(MenuItemBase fc)
{
return mFocusControl == fc;
}
override void ReleaseFocus()
{
mFocusControl = NULL;
}
}
class GLTextureGLOptions : OptionMenu
{
private int mWarningIndex;
private string mWarningLabel;
override void Init(Menu parent, OptionMenuDescriptor desc)
{
super.Init(parent, desc);
// Find index of warning item placeholder
mWarningIndex = -1;
mWarningLabel = "!HQRESIZE_WARNING!";
for (int i=0; i < mDesc.mItems.Size(); ++i)
{
if (mDesc.mItems[i].mLabel == mWarningLabel)
{
mWarningIndex = i;
break;
}
}
}
override void OnDestroy()
{
// Restore warning item placeholder
if (mWarningIndex >= 0)
{
mDesc.mItems[mWarningIndex].mLabel = mWarningLabel;
}
Super.OnDestroy();
}
override void Ticker()
{
Super.Ticker();
if (mWarningIndex >= 0)
{
string message;
if (gl_texture_hqresizemult > 1 && gl_texture_hqresizemode > 0)
{
int multiplier = gl_texture_hqresizemult * gl_texture_hqresizemult;
message = StringTable.Localize("$GLTEXMNU_HQRESIZEWARN");
string mult = String.Format("%d", multiplier);
message.Replace("%d", mult);
}
mDesc.mItems[mWarningIndex].mLabel = Font.TEXTCOLOR_CYAN .. message;
}
}
}