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mirror of https://github.com/FWGS/hlsdk-xash3d synced 2024-11-27 20:49:13 +01:00
hlsdk-xash3d/game_shared/vgui_grid.cpp

368 lines
7.2 KiB
C++

//========= Copyright (c) 1996-2002, Valve LLC, All rights reserved. ============
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================
#include <assert.h>
#include "vgui_grid.h"
using namespace vgui;
#define AssertCheck(expr, msg) \
if(!(expr))\
{\
assert(!msg);\
return 0;\
}
// ------------------------------------------------------------------------------ //
// CGrid::CGridEntry.
// ------------------------------------------------------------------------------ //
CGrid::CGridEntry::CGridEntry()
{
m_pPanel = NULL;
m_bUnderline = false;
}
CGrid::CGridEntry::~CGridEntry()
{
}
// ------------------------------------------------------------------------------ //
// CGrid.
// ------------------------------------------------------------------------------ //
CGrid::CGrid()
{
Clear();
}
CGrid::~CGrid()
{
Term();
}
bool CGrid::SetDimensions( int xCols, int yRows )
{
Term();
m_GridEntries = new CGridEntry[xCols * yRows];
m_Widths = new int[xCols * 2 + yRows * 2];
m_Heights = m_Widths + xCols;
m_ColOffsets = m_Heights + yRows;
m_RowOffsets = m_ColOffsets + xCols;
if( !m_GridEntries || !m_Widths )
{
Term();
return false;
}
memset( m_Widths, 0, sizeof(int) * ( xCols * 2 + yRows * 2 ) );
m_xCols = xCols;
m_yRows = yRows;
return true;
}
void CGrid::Term()
{
delete [] m_GridEntries;
delete [] m_Widths;
Clear();
}
Panel *CGrid::GetEntry( int x, int y )
{
return GridEntry( x, y )->m_pPanel;
}
bool CGrid::SetEntry( int x, int y, Panel *pPanel )
{
CGridEntry *pEntry = GridEntry( x, y );
if( !pEntry )
return false;
if( pEntry->m_pPanel )
pEntry->m_pPanel->setParent( NULL );
pEntry->m_pPanel = pPanel;
if( pPanel )
pPanel->setParent( this );
m_bDirty = true;
return true;
}
int CGrid::GetXSpacing()
{
return m_xSpacing;
}
int CGrid::GetYSpacing()
{
return m_ySpacing;
}
void CGrid::SetSpacing( int xSpacing, int ySpacing )
{
if( xSpacing != m_xSpacing )
{
m_xSpacing = xSpacing;
CalcColOffsets( 0 );
m_bDirty = true;
}
if( ySpacing != m_ySpacing )
{
m_ySpacing = ySpacing;
CalcRowOffsets( 0 );
m_bDirty = true;
}
}
bool CGrid::SetColumnWidth(int iColumn, int width)
{
AssertCheck( iColumn >= 0 && iColumn < m_xCols, "CGrid::SetColumnWidth : invalid location specified" );
m_Widths[iColumn] = width;
CalcColOffsets( iColumn + 1 );
m_bDirty = true;
return true;
}
bool CGrid::SetRowHeight( int iRow, int height )
{
AssertCheck( iRow >= 0 && iRow < m_yRows, "CGrid::SetColumnWidth : invalid location specified" );
m_Heights[iRow] = height;
CalcRowOffsets( iRow + 1 );
m_bDirty = true;
return true;
}
int CGrid::GetColumnWidth( int iColumn )
{
AssertCheck( iColumn >= 0 && iColumn < m_xCols, "CGrid::GetColumnWidth: invalid location specified" );
return m_Widths[iColumn];
}
int CGrid::GetRowHeight( int iRow )
{
AssertCheck( iRow >= 0 && iRow < m_yRows, "CGrid::GetRowHeight: invalid location specified" );
return m_Heights[iRow];
}
int CGrid::CalcFitColumnWidth( int iColumn )
{
AssertCheck( iColumn >= 0 && iColumn < m_xCols, "CGrid::CalcFitColumnWidth: invalid location specified" );
int maxSize = 0;
for( int i = 0; i < m_yRows; i++ )
{
Panel *pPanel = GridEntry( iColumn, i )->m_pPanel;
if( !pPanel )
continue;
int w, h;
pPanel->getSize( w, h );
if( w > maxSize )
maxSize = w;
}
return maxSize;
}
int CGrid::CalcFitRowHeight( int iRow )
{
AssertCheck( iRow >= 0 && iRow < m_yRows, "CGrid::CalcFitRowHeight: invalid location specified" );
int maxSize = 0;
for( int i = 0; i < m_xCols; i++ )
{
Panel *pPanel = GridEntry( i, iRow )->m_pPanel;
if( !pPanel )
continue;
int w, h;
pPanel->getSize( w, h );
if( h > maxSize )
maxSize = h;
}
return maxSize;
}
void CGrid::AutoSetRowHeights()
{
for( int i = 0; i < m_yRows; i++ )
SetRowHeight( i, CalcFitRowHeight( i ) );
}
bool CGrid::GetEntryBox( int col, int row, int &x, int &y, int &w, int &h )
{
AssertCheck( col >= 0 && col < m_xCols && row >= 0 && row < m_yRows, "CGrid::GetEntryBox: invalid location specified" );
x = m_ColOffsets[col];
w = m_Widths[col];
y = m_RowOffsets[row];
h = m_Heights[row];
return true;
}
bool CGrid::CopyColumnWidths( CGrid *pOther )
{
if( !pOther || pOther->m_xCols != m_xCols )
return false;
for( int i = 0; i < m_xCols; i++ )
m_Widths[i] = pOther->m_Widths[i];
CalcColOffsets( 0 );
m_bDirty = true;
return true;
}
void CGrid::RepositionContents()
{
for( int x = 0; x < m_xCols; x++ )
{
for( int y=0; y < m_yRows; y++ )
{
Panel *pPanel = GridEntry( x, y )->m_pPanel;
if( !pPanel )
continue;
pPanel->setBounds(
m_ColOffsets[x],
m_RowOffsets[y],
m_Widths[x],
m_Heights[y]);
}
}
m_bDirty = false;
}
int CGrid::CalcDrawHeight()
{
if( m_yRows > 0 )
{
return m_RowOffsets[m_yRows - 1] + m_Heights[m_yRows - 1] + m_ySpacing;
}
else
{
return 0;
}
}
void CGrid::paint()
{
if( m_bDirty )
RepositionContents();
Panel::paint();
// walk the grid looking for underlined rows
int x = 0, y = 0;
for( int row = 0; row < m_yRows; row++ )
{
CGridEntry *cell = GridEntry( 0, row );
y += cell->m_pPanel->getTall() + m_ySpacing;
if( cell->m_bUnderline )
{
drawSetColor( cell->m_UnderlineColor[0], cell->m_UnderlineColor[1], cell->m_UnderlineColor[2], cell->m_UnderlineColor[3] );
drawFilledRect( 0, y - (cell->m_iUnderlineOffset + 1 ), getWide(), y - cell->m_iUnderlineOffset );
}
}
}
void CGrid::paintBackground()
{
Panel::paintBackground();
}
//-----------------------------------------------------------------------------
// Purpose: sets underline color for a particular row
//-----------------------------------------------------------------------------
void CGrid::SetRowUnderline( int row, bool enabled, int offset, int r, int g, int b, int a )
{
CGridEntry *cell = GridEntry( 0, row );
cell->m_bUnderline = enabled;
if( enabled )
{
cell->m_iUnderlineOffset = offset;
cell->m_UnderlineColor[0] = r;
cell->m_UnderlineColor[1] = g;
cell->m_UnderlineColor[2] = b;
cell->m_UnderlineColor[3] = a;
}
}
void CGrid::Clear()
{
m_xCols = m_yRows = 0;
m_Widths = NULL;
m_GridEntries = NULL;
m_xSpacing = m_ySpacing = 0;
m_bDirty = false;
}
CGrid::CGridEntry* CGrid::GridEntry(int x, int y)
{
AssertCheck( x >= 0 && x < m_xCols && y >= 0 && y < m_yRows, "CGrid::GridEntry: invalid location specified" );
return &m_GridEntries[y * m_xCols + x];
}
void CGrid::CalcColOffsets( int iStart )
{
int cur = m_xSpacing;
if( iStart != 0 )
cur += m_ColOffsets[iStart - 1] + m_Widths[iStart - 1];
for( int i = iStart; i < m_xCols; i++ )
{
m_ColOffsets[i] = cur;
cur += m_Widths[i] + m_xSpacing;
}
}
void CGrid::CalcRowOffsets( int iStart )
{
int cur = m_ySpacing;
if( iStart != 0 )
cur += m_RowOffsets[iStart - 1];
for( int i = iStart; i < m_yRows; i++ )
{
m_RowOffsets[i] = cur;
cur += m_Heights[i] + m_ySpacing;
}
}
bool CGrid::getCellAtPoint( int worldX, int worldY, int &row, int &col )
{
row = -1; col = -1;
for( int x = 0; x < m_xCols; x++ )
{
for( int y = 0; y < m_yRows; y++ )
{
Panel *pPanel = GridEntry( x, y )->m_pPanel;
if( !pPanel )
continue;
if( pPanel->isWithin( worldX, worldY ) )
{
col = x;
row = y;
return true;
}
}
}
return false;
}