qzdoom-gpl/src/menu/listmenu.cpp
2013-05-31 22:10:12 +00:00

562 lines
14 KiB
C++

/*
** listmenu.cpp
** A simple menu consisting of a list of items
**
**---------------------------------------------------------------------------
** Copyright 2010 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.
**---------------------------------------------------------------------------
**
*/
#include "v_video.h"
#include "v_font.h"
#include "cmdlib.h"
#include "gstrings.h"
#include "g_level.h"
#include "gi.h"
#include "d_gui.h"
#include "d_event.h"
#include "menu/menu.h"
IMPLEMENT_CLASS(DListMenu)
//=============================================================================
//
//
//
//=============================================================================
DListMenu::DListMenu(DMenu *parent, FListMenuDescriptor *desc)
: DMenu(parent)
{
mDesc = NULL;
if (desc != NULL) Init(parent, desc);
}
//=============================================================================
//
//
//
//=============================================================================
void DListMenu::Init(DMenu *parent, FListMenuDescriptor *desc)
{
mParentMenu = parent;
GC::WriteBarrier(this, parent);
mDesc = desc;
if (desc->mCenter)
{
int center = 160;
for(unsigned i=0;i<mDesc->mItems.Size(); i++)
{
int xpos = mDesc->mItems[i]->GetX();
int width = mDesc->mItems[i]->GetWidth();
int curx = mDesc->mSelectOfsX;
if (width > 0 && mDesc->mItems[i]->Selectable())
{
int left = 160 - (width - curx) / 2 - curx;
if (left < center) center = left;
}
}
for(unsigned i=0;i<mDesc->mItems.Size(); i++)
{
int width = mDesc->mItems[i]->GetWidth();
if (width > 0)
{
mDesc->mItems[i]->SetX(center);
}
}
}
}
//=============================================================================
//
//
//
//=============================================================================
FListMenuItem *DListMenu::GetItem(FName name)
{
for(unsigned i=0;i<mDesc->mItems.Size(); i++)
{
FName nm = mDesc->mItems[i]->GetAction(NULL);
if (nm == name) return mDesc->mItems[i];
}
return NULL;
}
//=============================================================================
//
//
//
//=============================================================================
bool DListMenu::Responder (event_t *ev)
{
if (ev->type == EV_GUI_Event)
{
if (ev->subtype == EV_GUI_KeyDown)
{
int ch = tolower (ev->data1);
for(unsigned i = mDesc->mSelectedItem + 1; i < mDesc->mItems.Size(); i++)
{
if (mDesc->mItems[i]->CheckHotkey(ch))
{
mDesc->mSelectedItem = i;
S_Sound(CHAN_VOICE | CHAN_UI, "menu/cursor", snd_menuvolume, ATTN_NONE);
return true;
}
}
for(int i = 0; i < mDesc->mSelectedItem; i++)
{
if (mDesc->mItems[i]->CheckHotkey(ch))
{
mDesc->mSelectedItem = i;
S_Sound(CHAN_VOICE | CHAN_UI, "menu/cursor", snd_menuvolume, ATTN_NONE);
return true;
}
}
}
}
return Super::Responder(ev);
}
//=============================================================================
//
//
//
//=============================================================================
bool DListMenu::MenuEvent (int mkey, bool fromcontroller)
{
int startedAt = mDesc->mSelectedItem;
switch (mkey)
{
case MKEY_Up:
do
{
if (--mDesc->mSelectedItem < 0) mDesc->mSelectedItem = mDesc->mItems.Size()-1;
}
while (!mDesc->mItems[mDesc->mSelectedItem]->Selectable() && mDesc->mSelectedItem != startedAt);
S_Sound (CHAN_VOICE | CHAN_UI, "menu/cursor", snd_menuvolume, ATTN_NONE);
return true;
case MKEY_Down:
do
{
if (++mDesc->mSelectedItem >= (int)mDesc->mItems.Size()) mDesc->mSelectedItem = 0;
}
while (!mDesc->mItems[mDesc->mSelectedItem]->Selectable() && mDesc->mSelectedItem != startedAt);
S_Sound (CHAN_VOICE | CHAN_UI, "menu/cursor", snd_menuvolume, ATTN_NONE);
return true;
case MKEY_Enter:
if (mDesc->mSelectedItem >= 0 && mDesc->mItems[mDesc->mSelectedItem]->Activate())
{
S_Sound (CHAN_VOICE | CHAN_UI, "menu/choose", snd_menuvolume, ATTN_NONE);
}
return true;
default:
return Super::MenuEvent(mkey, fromcontroller);
}
}
//=============================================================================
//
//
//
//=============================================================================
bool DListMenu::MouseEvent(int type, int x, int y)
{
int sel = -1;
// convert x/y from screen to virtual coordinates, according to CleanX/Yfac use in DrawTexture
x = ((x - (screen->GetWidth() / 2)) / CleanXfac) + 160;
y = ((y - (screen->GetHeight() / 2)) / CleanYfac) + 100;
if (mFocusControl != NULL)
{
mFocusControl->MouseEvent(type, x, y);
return true;
}
else
{
if ((mDesc->mWLeft <= 0 || x > mDesc->mWLeft) &&
(mDesc->mWRight <= 0 || x < mDesc->mWRight))
{
for(unsigned i=0;i<mDesc->mItems.Size(); i++)
{
if (mDesc->mItems[i]->CheckCoordinate(x, y))
{
if ((int)i != mDesc->mSelectedItem)
{
//S_Sound (CHAN_VOICE | CHAN_UI, "menu/cursor", snd_menuvolume, ATTN_NONE);
}
mDesc->mSelectedItem = i;
mDesc->mItems[i]->MouseEvent(type, x, y);
return true;
}
}
}
}
mDesc->mSelectedItem = -1;
return Super::MouseEvent(type, x, y);
}
//=============================================================================
//
//
//
//=============================================================================
void DListMenu::Ticker ()
{
Super::Ticker();
for(unsigned i=0;i<mDesc->mItems.Size(); i++)
{
mDesc->mItems[i]->Ticker();
}
}
//=============================================================================
//
//
//
//=============================================================================
void DListMenu::Drawer ()
{
for(unsigned i=0;i<mDesc->mItems.Size(); i++)
{
if (mDesc->mItems[i]->mEnabled) mDesc->mItems[i]->Drawer(mDesc->mSelectedItem == (int)i);
}
if (mDesc->mSelectedItem >= 0 && mDesc->mSelectedItem < (int)mDesc->mItems.Size())
mDesc->mItems[mDesc->mSelectedItem]->DrawSelector(mDesc->mSelectOfsX, mDesc->mSelectOfsY, mDesc->mSelector);
Super::Drawer();
}
//=============================================================================
//
// base class for menu items
//
//=============================================================================
FListMenuItem::~FListMenuItem()
{
}
bool FListMenuItem::CheckCoordinate(int x, int y)
{
return false;
}
void FListMenuItem::Ticker()
{
}
void FListMenuItem::Drawer(bool selected)
{
}
bool FListMenuItem::Selectable()
{
return false;
}
void FListMenuItem::DrawSelector(int xofs, int yofs, FTextureID tex)
{
if (tex.isNull())
{
if ((DMenu::MenuTime%8) < 6)
{
screen->DrawText(ConFont, OptionSettings.mFontColorSelection,
mXpos + xofs, mYpos + yofs, "\xd", DTA_Clean, true, TAG_DONE);
}
}
else
{
screen->DrawTexture (TexMan(tex), mXpos + xofs, mYpos + yofs, DTA_Clean, true, TAG_DONE);
}
}
bool FListMenuItem::Activate()
{
return false; // cannot be activated
}
FName FListMenuItem::GetAction(int *pparam)
{
return mAction;
}
bool FListMenuItem::SetString(int i, const char *s)
{
return false;
}
bool FListMenuItem::GetString(int i, char *s, int len)
{
return false;
}
bool FListMenuItem::SetValue(int i, int value)
{
return false;
}
bool FListMenuItem::GetValue(int i, int *pvalue)
{
return false;
}
void FListMenuItem::Enable(bool on)
{
mEnabled = on;
}
bool FListMenuItem::MenuEvent(int mkey, bool fromcontroller)
{
return false;
}
bool FListMenuItem::MouseEvent(int type, int x, int y)
{
return false;
}
bool FListMenuItem::CheckHotkey(int c)
{
return false;
}
int FListMenuItem::GetWidth()
{
return 0;
}
//=============================================================================
//
// static patch
//
//=============================================================================
FListMenuItemStaticPatch::FListMenuItemStaticPatch(int x, int y, FTextureID patch, bool centered)
: FListMenuItem(x, y)
{
mTexture = patch;
mCentered = centered;
}
void FListMenuItemStaticPatch::Drawer(bool selected)
{
int x = mXpos;
FTexture *tex = TexMan(mTexture);
if (mYpos >= 0)
{
if (mCentered) x -= tex->GetScaledWidth()/2;
screen->DrawTexture (tex, x, mYpos, DTA_Clean, true, TAG_DONE);
}
else
{
int x = (mXpos - 160) * CleanXfac + (SCREENWIDTH>>1);
if (mCentered) x -= (tex->GetScaledWidth()*CleanXfac)/2;
screen->DrawTexture (tex, x, -mYpos*CleanYfac, DTA_CleanNoMove, true, TAG_DONE);
}
}
//=============================================================================
//
// static text
//
//=============================================================================
FListMenuItemStaticText::FListMenuItemStaticText(int x, int y, const char *text, FFont *font, EColorRange color, bool centered)
: FListMenuItem(x, y)
{
mText = ncopystring(text);
mFont = font;
mColor = color;
mCentered = centered;
}
void FListMenuItemStaticText::Drawer(bool selected)
{
const char *text = mText;
if (text != NULL)
{
if (*text == '$') text = GStrings(text+1);
if (mYpos >= 0)
{
int x = mXpos;
if (mCentered) x -= mFont->StringWidth(text)/2;
screen->DrawText(mFont, mColor, x, mYpos, text, DTA_Clean, true, TAG_DONE);
}
else
{
int x = (mXpos - 160) * CleanXfac + (SCREENWIDTH>>1);
if (mCentered) x -= (mFont->StringWidth(text)*CleanXfac)/2;
screen->DrawText (mFont, mColor, x, -mYpos*CleanYfac, text, DTA_CleanNoMove, true, TAG_DONE);
}
}
}
FListMenuItemStaticText::~FListMenuItemStaticText()
{
if (mText != NULL) delete [] mText;
}
//=============================================================================
//
// base class for selectable items
//
//=============================================================================
FListMenuItemSelectable::FListMenuItemSelectable(int x, int y, int height, FName action, int param)
: FListMenuItem(x, y, action)
{
mHeight = height;
mParam = param;
mHotkey = 0;
}
bool FListMenuItemSelectable::CheckCoordinate(int x, int y)
{
return mEnabled && y >= mYpos && y < mYpos + mHeight; // no x check here
}
bool FListMenuItemSelectable::Selectable()
{
return mEnabled;
}
bool FListMenuItemSelectable::Activate()
{
M_SetMenu(mAction, mParam);
return true;
}
FName FListMenuItemSelectable::GetAction(int *pparam)
{
if (pparam != NULL) *pparam = mParam;
return mAction;
}
bool FListMenuItemSelectable::CheckHotkey(int c)
{
return c == tolower(mHotkey);
}
bool FListMenuItemSelectable::MouseEvent(int type, int x, int y)
{
if (type == DMenu::MOUSE_Release)
{
if (DMenu::CurrentMenu->MenuEvent(MKEY_Enter, true))
{
return true;
}
}
return false;
}
//=============================================================================
//
// text item
//
//=============================================================================
FListMenuItemText::FListMenuItemText(int x, int y, int height, int hotkey, const char *text, FFont *font, EColorRange color, EColorRange color2, FName child, int param)
: FListMenuItemSelectable(x, y, height, child, param)
{
mText = ncopystring(text);
mFont = font;
mColor = color;
mColorSelected = color2;
mHotkey = hotkey;
}
FListMenuItemText::~FListMenuItemText()
{
if (mText != NULL)
{
delete [] mText;
}
}
void FListMenuItemText::Drawer(bool selected)
{
const char *text = mText;
if (text != NULL)
{
if (*text == '$') text = GStrings(text+1);
screen->DrawText(mFont, selected ? mColorSelected : mColor, mXpos, mYpos, text, DTA_Clean, true, TAG_DONE);
}
}
int FListMenuItemText::GetWidth()
{
const char *text = mText;
if (text != NULL)
{
if (*text == '$') text = GStrings(text+1);
return mFont->StringWidth(text);
}
return 1;
}
//=============================================================================
//
// patch item
//
//=============================================================================
FListMenuItemPatch::FListMenuItemPatch(int x, int y, int height, int hotkey, FTextureID patch, FName child, int param)
: FListMenuItemSelectable(x, y, height, child, param)
{
mHotkey = hotkey;
mTexture = patch;
}
void FListMenuItemPatch::Drawer(bool selected)
{
screen->DrawTexture (TexMan(mTexture), mXpos, mYpos, DTA_Clean, true, TAG_DONE);
}
int FListMenuItemPatch::GetWidth()
{
return mTexture.isValid()
? TexMan[mTexture]->GetScaledWidth()
: 0;
}