Path: blob/master/BizHawk.Client.EmuHawk/CustomControls/InputRoll.Drawing.cs
2 views
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Windows.Forms;
namespace BizHawk.Client.EmuHawk
{
public partial class InputRoll
{
protected override void OnPaint(PaintEventArgs e)
{
using (var LCK = Gdi.LockGraphics(e.Graphics))
{
Gdi.StartOffScreenBitmap(Width, Height);
// White Background
Gdi.SetBrush(Color.White);
Gdi.SetSolidPen(Color.White);
Gdi.FillRectangle(0, 0, Width, Height);
// Lag frame calculations
SetLagFramesArray();
var visibleColumns = _columns.VisibleColumns.ToList();
if (visibleColumns.Any())
{
DrawColumnBg(e, visibleColumns);
DrawColumnText(e, visibleColumns);
}
//Background
DrawBg(e, visibleColumns);
//Foreground
DrawData(e, visibleColumns);
DrawColumnDrag(e);
DrawCellDrag(e);
Gdi.CopyToScreen();
Gdi.EndOffScreenBitmap();
}
}
protected override void OnPaintBackground(PaintEventArgs pevent)
{
// Do nothing, and this should never be called
}
private void DrawColumnDrag(PaintEventArgs e)
{
if (_columnDown != null && _currentX.HasValue && _currentY.HasValue && IsHoveringOnColumnCell)
{
int x1 = _currentX.Value - (_columnDown.Width.Value / 2);
int y1 = _currentY.Value - (CellHeight / 2);
int x2 = x1 + _columnDown.Width.Value;
int y2 = y1 + CellHeight;
Gdi.SetSolidPen(_backColor);
Gdi.DrawRectangle(x1, y1, x2, y2);
Gdi.PrepDrawString(NormalFont, _foreColor);
Gdi.DrawString(_columnDown.Text, new Point(x1 + CellWidthPadding, y1 + CellHeightPadding));
}
}
private void DrawCellDrag(PaintEventArgs e)
{
if (DraggingCell != null)
{
var text = "";
int offsetX = 0;
int offsetY = 0;
if (QueryItemText != null)
{
QueryItemText(DraggingCell.RowIndex.Value, DraggingCell.Column, out text, ref offsetX, ref offsetY);
}
Color bgColor = _backColor;
if (QueryItemBkColor != null)
{
QueryItemBkColor(DraggingCell.RowIndex.Value, DraggingCell.Column, ref bgColor);
}
int x1 = _currentX.Value - (DraggingCell.Column.Width.Value / 2);
int y1 = _currentY.Value - (CellHeight / 2);
int x2 = x1 + DraggingCell.Column.Width.Value;
int y2 = y1 + CellHeight;
Gdi.SetBrush(bgColor);
Gdi.FillRectangle(x1, y1, x2 - x1, y2 - y1);
Gdi.PrepDrawString(NormalFont, _foreColor);
Gdi.DrawString(text, new Point(x1 + CellWidthPadding + offsetX, y1 + CellHeightPadding + offsetY));
}
}
private void DrawColumnText(PaintEventArgs e, List<RollColumn> visibleColumns)
{
if (HorizontalOrientation)
{
int start = -VBar.Value;
Gdi.PrepDrawString(NormalFont, _foreColor);
foreach (var column in visibleColumns)
{
var point = new Point(CellWidthPadding, start + CellHeightPadding);
if (IsHoveringOnColumnCell && column == CurrentCell.Column)
{
Gdi.PrepDrawString(NormalFont, SystemColors.HighlightText);
Gdi.DrawString(column.Text, point);
Gdi.PrepDrawString(NormalFont, _foreColor);
}
else
{
Gdi.DrawString(column.Text, point);
}
start += CellHeight;
}
}
else
{
Gdi.PrepDrawString(NormalFont, _foreColor);
foreach (var column in visibleColumns)
{
var point = new Point(column.Left.Value + 2 * CellWidthPadding - HBar.Value, CellHeightPadding); // TODO: fix this CellPadding issue (2 * CellPadding vs just CellPadding)
if (IsHoveringOnColumnCell && column == CurrentCell.Column)
{
Gdi.PrepDrawString(NormalFont, SystemColors.HighlightText);
Gdi.DrawString(column.Text, point);
Gdi.PrepDrawString(NormalFont, _foreColor);
}
else
{
Gdi.DrawString(column.Text, point);
}
}
}
}
private void DrawData(PaintEventArgs e, List<RollColumn> visibleColumns)
{
if (QueryItemText != null)
{
if (HorizontalOrientation)
{
int startRow = FirstVisibleRow;
int range = Math.Min(LastVisibleRow, RowCount - 1) - startRow + 1;
Gdi.PrepDrawString(NormalFont, _foreColor);
for (int i = 0, f = 0; f < range; i++, f++)
{
f += lagFrames[i];
int LastVisible = LastVisibleColumnIndex;
for (int j = FirstVisibleColumn; j <= LastVisible; j++)
{
Bitmap image = null;
int x = 0;
int y = 0;
int bitmapOffsetX = 0;
int bitmapOffsetY = 0;
if (QueryItemIcon != null)
{
QueryItemIcon(f + startRow, visibleColumns[j], ref image, ref bitmapOffsetX, ref bitmapOffsetY);
}
if (image != null)
{
x = RowsToPixels(i) + CellWidthPadding + bitmapOffsetX;
y = (j * CellHeight) + (CellHeightPadding * 2) + bitmapOffsetY;
Gdi.DrawBitmap(image, new Point(x, y), true);
}
string text;
int strOffsetX = 0;
int strOffsetY = 0;
QueryItemText(f + startRow, visibleColumns[j], out text, ref strOffsetX, ref strOffsetY);
// Center Text
x = RowsToPixels(i) + (CellWidth - text.Length * _charSize.Width) / 2;
y = (j * CellHeight) + CellHeightPadding - VBar.Value;
var point = new Point(x + strOffsetX, y + strOffsetY);
var rePrep = false;
if(j==1)
if (SelectedItems.Contains(new Cell { Column = visibleColumns[j], RowIndex = i + startRow }))
{
Gdi.PrepDrawString(RotatedFont, SystemColors.HighlightText);
rePrep = true;
}
else if (j == 1)
{
//1. not sure about this; 2. repreps may be excess, but if we render one column at a time, we do need to change back after rendering the header
rePrep = true;
Gdi.PrepDrawString(RotatedFont, _foreColor);
}
if (!string.IsNullOrWhiteSpace(text))
{
Gdi.DrawString(text, point);
}
if (rePrep)
{
Gdi.PrepDrawString(NormalFont, _foreColor);
}
}
}
}
else
{
int startRow = FirstVisibleRow;
int range = Math.Min(LastVisibleRow, RowCount - 1) - startRow + 1;
Gdi.PrepDrawString(NormalFont, _foreColor);
int xPadding = CellWidthPadding + 1 - HBar.Value;
for (int i = 0, f = 0; f < range; i++, f++) // Vertical
{
f += lagFrames[i];
int LastVisible = LastVisibleColumnIndex;
for (int j = FirstVisibleColumn; j <= LastVisible; j++) // Horizontal
{
RollColumn col = visibleColumns[j];
string text;
int strOffsetX = 0;
int strOffsetY = 0;
Point point = new Point(col.Left.Value + xPadding, RowsToPixels(i) + CellHeightPadding);
Bitmap image = null;
int bitmapOffsetX = 0;
int bitmapOffsetY = 0;
if (QueryItemIcon != null)
{
QueryItemIcon(f + startRow, visibleColumns[j], ref image, ref bitmapOffsetX, ref bitmapOffsetY);
}
if (image != null)
{
Gdi.DrawBitmap(image, new Point(point.X + bitmapOffsetX, point.Y + bitmapOffsetY + CellHeightPadding), true);
}
QueryItemText(f + startRow, visibleColumns[j], out text, ref strOffsetX, ref strOffsetY);
bool rePrep = false;
if (SelectedItems.Contains(new Cell { Column = visibleColumns[j], RowIndex = f + startRow }))
{
Gdi.PrepDrawString(NormalFont, SystemColors.HighlightText);
rePrep = true;
}
if (!string.IsNullOrWhiteSpace(text))
{
Gdi.DrawString(text, new Point(point.X + strOffsetX, point.Y + strOffsetY));
}
if (rePrep)
{
Gdi.PrepDrawString(NormalFont, _foreColor);
}
}
}
}
}
}
private void DrawColumnBg(PaintEventArgs e, List<RollColumn> visibleColumns)
{
Gdi.SetBrush(SystemColors.ControlLight);
Gdi.SetSolidPen(Color.Black);
if (HorizontalOrientation)
{
Gdi.FillRectangle(0, 0, ColumnWidth + 1, DrawHeight + 1);
Gdi.Line(0, 0, 0, visibleColumns.Count * CellHeight + 1);
Gdi.Line(ColumnWidth, 0, ColumnWidth, visibleColumns.Count * CellHeight + 1);
int start = -VBar.Value;
foreach (var column in visibleColumns)
{
Gdi.Line(1, start, ColumnWidth, start);
start += CellHeight;
}
if (visibleColumns.Any())
{
Gdi.Line(1, start, ColumnWidth, start);
}
}
else
{
int bottomEdge = RowsToPixels(0);
// Gray column box and black line underneath
Gdi.FillRectangle(0, 0, Width + 1, bottomEdge + 1);
Gdi.Line(0, 0, TotalColWidth.Value + 1, 0);
Gdi.Line(0, bottomEdge, TotalColWidth.Value + 1, bottomEdge);
// Vertical black seperators
for (int i = 0; i < visibleColumns.Count; i++)
{
int pos = visibleColumns[i].Left.Value - HBar.Value;
Gdi.Line(pos, 0, pos, bottomEdge);
}
// Draw right most line
if (visibleColumns.Any())
{
int right = TotalColWidth.Value - HBar.Value;
Gdi.Line(right, 0, right, bottomEdge);
}
}
// Emphasis
foreach (var column in visibleColumns.Where(c => c.Emphasis))
{
Gdi.SetBrush(SystemColors.ActiveBorder);
if (HorizontalOrientation)
{
Gdi.FillRectangle(1, visibleColumns.IndexOf(column) * CellHeight + 1, ColumnWidth - 1, ColumnHeight - 1);
}
else
{
Gdi.FillRectangle(column.Left.Value + 1 - HBar.Value, 1, column.Width.Value - 1, ColumnHeight - 1);
}
}
// If the user is hovering over a column
if (IsHoveringOnColumnCell)
{
if (HorizontalOrientation)
{
for (int i = 0; i < visibleColumns.Count; i++)
{
if (visibleColumns[i] != CurrentCell.Column)
{
continue;
}
if (CurrentCell.Column.Emphasis)
{
Gdi.SetBrush(Add(SystemColors.Highlight, 0x00222222));
}
else
{
Gdi.SetBrush(SystemColors.Highlight);
}
Gdi.FillRectangle(1, i * CellHeight + 1, ColumnWidth - 1, ColumnHeight - 1);
}
}
else
{
//TODO multiple selected columns
for (int i = 0; i < visibleColumns.Count; i++)
{
if (visibleColumns[i] == CurrentCell.Column)
{
//Left of column is to the right of the viewable area or right of column is to the left of the viewable area
if (visibleColumns[i].Left.Value - HBar.Value > Width || visibleColumns[i].Right.Value - HBar.Value < 0)
{
continue;
}
int left = visibleColumns[i].Left.Value - HBar.Value;
int width = visibleColumns[i].Right.Value - HBar.Value - left;
if (CurrentCell.Column.Emphasis)
{
Gdi.SetBrush(Add(SystemColors.Highlight, 0x00550000));
}
else
{
Gdi.SetBrush(SystemColors.Highlight);
}
Gdi.FillRectangle(left + 1, 1, width - 1, ColumnHeight - 1);
}
}
}
}
}
// TODO refactor this and DoBackGroundCallback functions.
/// <summary>
/// Draw Gridlines and background colors using QueryItemBkColor.
/// </summary>
/// <param name="e"></param>
private void DrawBg(PaintEventArgs e, List<RollColumn> visibleColumns)
{
if (UseCustomBackground && QueryItemBkColor != null)
{
DoBackGroundCallback(e, visibleColumns);
}
if (GridLines)
{
Gdi.SetSolidPen(SystemColors.ControlLight);
if (HorizontalOrientation)
{
// Columns
for (int i = 1; i < VisibleRows + 1; i++)
{
int x = RowsToPixels(i);
Gdi.Line(x, 1, x, DrawHeight);
}
// Rows
for (int i = 0; i < visibleColumns.Count + 1; i++)
{
Gdi.Line(RowsToPixels(0) + 1, i * CellHeight - VBar.Value, DrawWidth, i * CellHeight - VBar.Value);
}
}
else
{
// Columns
int y = ColumnHeight + 1;
int? totalColWidth = TotalColWidth;
foreach (var column in visibleColumns)
{
int x = column.Left.Value - HBar.Value;
Gdi.Line(x, y, x, Height - 1);
}
if (visibleColumns.Any())
{
Gdi.Line(totalColWidth.Value - HBar.Value, y, totalColWidth.Value - HBar.Value, Height - 1);
}
// Rows
for (int i = 1; i < VisibleRows + 1; i++)
{
Gdi.Line(0, RowsToPixels(i), Width + 1, RowsToPixels(i));
}
}
}
if (SelectedItems.Any())
{
DoSelectionBG(e, visibleColumns);
}
}
private void DoSelectionBG(PaintEventArgs e, List<RollColumn> visibleColumns)
{
// SuuperW: This allows user to see other colors in selected frames.
Color rowColor = Color.White;
int _lastVisibleRow = LastVisibleRow;
int lastRow = -1;
foreach (Cell cell in SelectedItems)
{
if (cell.RowIndex > _lastVisibleRow || cell.RowIndex < FirstVisibleRow ||
!VisibleColumns.Contains(cell.Column))
continue;
Cell relativeCell = new Cell
{
RowIndex = cell.RowIndex - FirstVisibleRow,
Column = cell.Column,
};
relativeCell.RowIndex -= CountLagFramesAbsolute(relativeCell.RowIndex.Value);
if (QueryRowBkColor != null && lastRow != cell.RowIndex.Value)
{
QueryRowBkColor(cell.RowIndex.Value, ref rowColor);
lastRow = cell.RowIndex.Value;
}
Color cellColor = rowColor;
QueryItemBkColor(cell.RowIndex.Value, cell.Column, ref cellColor);
// Alpha layering for cell before selection
float alpha = (float)cellColor.A / 255;
if (cellColor.A != 255 && cellColor.A != 0)
{
cellColor = Color.FromArgb(rowColor.R - (int)((rowColor.R - cellColor.R) * alpha),
rowColor.G - (int)((rowColor.G - cellColor.G) * alpha),
rowColor.B - (int)((rowColor.B - cellColor.B) * alpha));
}
// Alpha layering for selection
alpha = 0.33f;
cellColor = Color.FromArgb(cellColor.R - (int)((cellColor.R - SystemColors.Highlight.R) * alpha),
cellColor.G - (int)((cellColor.G - SystemColors.Highlight.G) * alpha),
cellColor.B - (int)((cellColor.B - SystemColors.Highlight.B) * alpha));
DrawCellBG(cellColor, relativeCell, visibleColumns);
}
}
/// <summary>
/// Given a cell with rowindex inbetween 0 and VisibleRows, it draws the background color specified. Do not call with absolute rowindices.
/// </summary>
private void DrawCellBG(Color color, Cell cell, List<RollColumn> visibleColumns)
{
int x, y, w, h;
if (HorizontalOrientation)
{
x = RowsToPixels(cell.RowIndex.Value) + 1;
w = CellWidth - 1;
y = (CellHeight * visibleColumns.IndexOf(cell.Column)) + 1 - VBar.Value; // We can't draw without row and column, so assume they exist and fail catastrophically if they don't
h = CellHeight - 1;
if (x < ColumnWidth) { return; }
}
else
{
w = cell.Column.Width.Value - 1;
x = cell.Column.Left.Value - HBar.Value + 1;
y = RowsToPixels(cell.RowIndex.Value) + 1; // We can't draw without row and column, so assume they exist and fail catastrophically if they don't
h = CellHeight - 1;
if (y < ColumnHeight)
{
return;
}
}
if (x > DrawWidth || y > DrawHeight)
{
return;
} // Don't draw if off screen.
Gdi.SetBrush(color);
Gdi.FillRectangle(x, y, w, h);
}
/// <summary>
/// Calls QueryItemBkColor callback for all visible cells and fills in the background of those cells.
/// </summary>
/// <param name="e"></param>
private void DoBackGroundCallback(PaintEventArgs e, List<RollColumn> visibleColumns)
{
int startIndex = FirstVisibleRow;
int range = Math.Min(LastVisibleRow, RowCount - 1) - startIndex + 1;
int lastVisible = LastVisibleColumnIndex;
int firstVisibleColumn = FirstVisibleColumn;
if (HorizontalOrientation)
{
for (int i = 0, f = 0; f < range; i++, f++)
{
f += lagFrames[i];
Color rowColor = Color.White;
if (QueryRowBkColor != null)
{
QueryRowBkColor(f + startIndex, ref rowColor);
}
for (int j = firstVisibleColumn; j <= lastVisible; j++)
{
Color itemColor = Color.White;
QueryItemBkColor(f + startIndex, visibleColumns[j], ref itemColor);
if (itemColor == Color.White)
{
itemColor = rowColor;
}
else if (itemColor.A != 255 && itemColor.A != 0)
{
float alpha = (float)itemColor.A / 255;
itemColor = Color.FromArgb(rowColor.R - (int)((rowColor.R - itemColor.R) * alpha),
rowColor.G - (int)((rowColor.G - itemColor.G) * alpha),
rowColor.B - (int)((rowColor.B - itemColor.B) * alpha));
}
if (itemColor != Color.White) // An easy optimization, don't draw unless the user specified something other than the default
{
var cell = new Cell
{
Column = visibleColumns[j],
RowIndex = i
};
DrawCellBG(itemColor, cell, visibleColumns);
}
}
}
}
else
{
for (int i = 0, f = 0; f < range; i++, f++) // Vertical
{
f += lagFrames[i];
Color rowColor = Color.White;
if (QueryRowBkColor != null)
{
QueryRowBkColor(f + startIndex, ref rowColor);
}
for (int j = FirstVisibleColumn; j <= lastVisible; j++) // Horizontal
{
Color itemColor = Color.White;
QueryItemBkColor(f + startIndex, visibleColumns[j], ref itemColor);
if (itemColor == Color.White)
{
itemColor = rowColor;
}
else if (itemColor.A != 255 && itemColor.A != 0)
{
float alpha = (float)itemColor.A / 255;
itemColor = Color.FromArgb(rowColor.R - (int)((rowColor.R - itemColor.R) * alpha),
rowColor.G - (int)((rowColor.G - itemColor.G) * alpha),
rowColor.B - (int)((rowColor.B - itemColor.B) * alpha));
}
if (itemColor != Color.White) // An easy optimization, don't draw unless the user specified something other than the default
{
var cell = new Cell
{
Column = visibleColumns[j],
RowIndex = i
};
DrawCellBG(itemColor, cell, visibleColumns);
}
}
}
}
}
}
}