rainmeter-studio/Library/Meter.cpp

843 lines
21 KiB
C++

/*
Copyright (C) 2001 Kimmo Pekkola
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "StdAfx.h"
#include "Error.h"
#include "Meter.h"
#include "MeterBitmap.h"
#include "MeterBar.h"
#include "MeterHistogram.h"
#include "MeterString.h"
#include "MeterImage.h"
#include "MeterLine.h"
#include "MeterRoundLine.h"
#include "MeterRotator.h"
#include "MeterButton.h"
#include "Measure.h"
#include "Rainmeter.h"
using namespace Gdiplus;
/*
** The constructor
**
*/
CMeter::CMeter(CMeterWindow* meterWindow, const WCHAR* name) : m_MeterWindow(meterWindow), m_Name(name),
m_Measure(),
m_X(),
m_Y(),
m_W(),
m_H(),
m_Hidden(false),
m_WDefined(false),
m_HDefined(false),
m_RelativeMeter(),
m_DynamicVariables(false),
m_Transformation(),
m_ToolTipWidth(),
m_ToolTipDelay(),
m_ToolTipType(false),
m_ToolTipHidden(meterWindow->GetMeterToolTipHidden()),
m_ToolTipHandle(),
m_HasMouseAction(false),
m_MouseActionCursor(meterWindow->GetMeterMouseActionCursor()),
m_MouseOver(false),
m_RelativeX(POSITION_ABSOLUTE),
m_RelativeY(POSITION_ABSOLUTE),
m_UpdateDivider(1),
m_UpdateCounter(1),
m_SolidBevel(BEVELTYPE_NONE),
m_SolidAngle(),
m_AntiAlias(false),
m_Initialized(false)
{
}
/*
** The destructor
**
*/
CMeter::~CMeter()
{
delete m_Transformation;
if (m_ToolTipHandle != NULL)
{
DestroyWindow(m_ToolTipHandle);
}
}
/*
** Initializes the meter. The base implementation just stores the pointer.
** Usually this method is overwritten by the inherited classes, which load
** bitmaps and such things during initialization.
**
*/
void CMeter::Initialize()
{
m_Initialized = true;
}
/*
** Returns the X-position of the meter.
**
*/
int CMeter::GetX(bool abs)
{
if (m_RelativeX != POSITION_ABSOLUTE)
{
if (m_RelativeMeter == NULL)
{
const std::list<CMeter*>& meters = m_MeterWindow->GetMeters();
std::list<CMeter*>::const_iterator iter = meters.begin();
// Find this meter
for ( ; iter != meters.end(); ++iter)
{
if (*iter == this && iter != meters.begin())
{
--iter;
m_RelativeMeter = (*iter);
if (m_RelativeX == POSITION_RELATIVE_TL)
{
return m_RelativeMeter->GetX(true) + m_X;
}
else
{
return m_RelativeMeter->GetX(true) + m_RelativeMeter->GetW() + m_X;
}
}
}
}
else
{
if (m_RelativeX == POSITION_RELATIVE_TL)
{
return m_RelativeMeter->GetX(true) + m_X;
}
else
{
return m_RelativeMeter->GetX(true) + m_RelativeMeter->GetW() + m_X;
}
}
}
return m_X;
}
/*
** Returns the Y-position of the meter.
**
*/
int CMeter::GetY(bool abs)
{
if (m_RelativeY != POSITION_ABSOLUTE)
{
if (m_RelativeMeter == NULL)
{
const std::list<CMeter*>& meters = m_MeterWindow->GetMeters();
std::list<CMeter*>::const_iterator iter = meters.begin();
// Find this meter
for ( ; iter != meters.end(); ++iter)
{
if (*iter == this && iter != meters.begin())
{
--iter;
m_RelativeMeter = (*iter);
if (m_RelativeY == POSITION_RELATIVE_TL)
{
return m_RelativeMeter->GetY() + m_Y;
}
else
{
return m_RelativeMeter->GetY() + m_RelativeMeter->GetH() + m_Y;
}
}
}
}
else
{
if (m_RelativeY == POSITION_RELATIVE_TL)
{
return m_RelativeMeter->GetY() + m_Y;
}
else
{
return m_RelativeMeter->GetY() + m_RelativeMeter->GetH() + m_Y;
}
}
}
return m_Y;
}
/*
** Returns a RECT containing the dimensions of the meter within the MeterWindow
**
*/
RECT CMeter::GetMeterRect()
{
RECT meterRect;
meterRect.left = GetX();
meterRect.top = GetY();
meterRect.right = meterRect.left + m_W;
meterRect.bottom = meterRect.top + m_H;
return meterRect;
}
/*
** Checks if the given point is inside the meter.
**
*/
bool CMeter::HitTest(int x, int y)
{
if (x >= GetX() && x < GetX() + GetW() && y >= GetY() && y < GetY() + GetH())
{
return true;
}
return false;
}
/*
** Shows the meter and tooltip.
**
*/
void CMeter::Show()
{
m_Hidden = false;
if (m_ToolTipHandle != NULL)
{
if (!m_ToolTipHidden)
{
SendMessage(m_ToolTipHandle, TTM_ACTIVATE, TRUE, NULL);
}
}
}
/*
** Hides the meter and tooltip.
**
*/
void CMeter::Hide()
{
m_Hidden = true;
if (m_ToolTipHandle != NULL)
{
SendMessage(m_ToolTipHandle, TTM_ACTIVATE, FALSE, NULL);
}
}
/*
** Reads the meter-specific configs from the ini-file. The base implementation
** reads the common settings for all meters. The inherited classes must call
** the base implementation if they overwrite this method.
**
*/
void CMeter::ReadConfig(CConfigParser& parser, const WCHAR* section)
{
// The MeterStyle defines a template where the values are read if the meter doesn't have it itself
const std::wstring& style = parser.ReadString(section, L"MeterStyle", L"");
if (!style.empty())
{
parser.SetStyleTemplate(style);
}
std::wstring oldStyleX = m_StyleX;
std::wstring oldStyleY = m_StyleY;
std::wstring oldStyleHidden = m_StyleHidden;
std::wstring coord = parser.ReadString(section, L"X", L"0");
m_StyleX = parser.GetLastUsedStyle();
if (!m_Initialized || parser.GetLastReplaced() || wcscmp(m_StyleX.c_str(), oldStyleX.c_str()) != 0)
{
if (!coord.empty())
{
size_t len = coord.size();
if (coord[len - 1] == L'r')
{
m_RelativeX = POSITION_RELATIVE_TL;
coord.erase(--len);
}
else if (coord[len - 1] == L'R')
{
m_RelativeX = POSITION_RELATIVE_BR;
coord.erase(--len);
}
else
{
m_RelativeX = POSITION_ABSOLUTE;
}
m_X = parser.ParseInt(coord.c_str(), 0);
}
else
{
m_X = 0;
m_RelativeX = POSITION_ABSOLUTE;
}
}
coord = parser.ReadString(section, L"Y", L"0");
m_StyleY = parser.GetLastUsedStyle();
if (!m_Initialized || parser.GetLastReplaced() || wcscmp(m_StyleY.c_str(), oldStyleY.c_str()) != 0)
{
if (!coord.empty())
{
size_t len = coord.size();
if (coord[len - 1] == L'r')
{
m_RelativeY = POSITION_RELATIVE_TL;
coord.erase(--len);
}
else if (coord[len - 1] == L'R')
{
m_RelativeY = POSITION_RELATIVE_BR;
coord.erase(--len);
}
else
{
m_RelativeY = POSITION_ABSOLUTE;
}
m_Y = parser.ParseInt(coord.c_str(), 0);
}
else
{
m_Y = 0;
m_RelativeY = POSITION_ABSOLUTE;
}
}
m_W = parser.ReadInt(section, L"W", 1);
m_WDefined = parser.GetLastValueDefined();
m_H = parser.ReadInt(section, L"H", 1);
m_HDefined = parser.GetLastValueDefined();
const std::wstring& hidden = parser.ReadString(section, L"Hidden", L"0");
m_StyleHidden = parser.GetLastUsedStyle();
if (!m_Initialized || parser.GetLastReplaced() || wcscmp(m_StyleHidden.c_str(), oldStyleHidden.c_str()) != 0)
{
m_Hidden = 0!=parser.ParseInt(hidden.c_str(), 0);
}
if (!m_Initialized)
{
m_MeasureName = parser.ReadString(section, L"MeasureName", L"");
}
m_SolidBevel = (BEVELTYPE)parser.ReadInt(section, L"BevelType", BEVELTYPE_NONE);
m_SolidColor = parser.ReadColor(section, L"SolidColor", Color::MakeARGB(0, 0, 0, 0));
m_SolidColor2 = parser.ReadColor(section, L"SolidColor2", m_SolidColor.GetValue());
m_SolidAngle = (Gdiplus::REAL)parser.ReadFloat(section, L"GradientAngle", 0.0);
m_LeftMouseDownAction = parser.ReadString(section, L"LeftMouseDownAction", L"", false);
m_RightMouseDownAction = parser.ReadString(section, L"RightMouseDownAction", L"", false);
m_MiddleMouseDownAction = parser.ReadString(section, L"MiddleMouseDownAction", L"", false);
m_LeftMouseUpAction = parser.ReadString(section, L"LeftMouseUpAction", L"", false);
m_RightMouseUpAction = parser.ReadString(section, L"RightMouseUpAction", L"", false);
m_MiddleMouseUpAction = parser.ReadString(section, L"MiddleMouseUpAction", L"", false);
m_LeftMouseDoubleClickAction = parser.ReadString(section, L"LeftMouseDoubleClickAction", L"", false);
m_RightMouseDoubleClickAction = parser.ReadString(section, L"RightMouseDoubleClickAction", L"", false);
m_MiddleMouseDoubleClickAction = parser.ReadString(section, L"MiddleMouseDoubleClickAction", L"", false);
m_MouseOverAction = parser.ReadString(section, L"MouseOverAction", L"", false);
m_MouseLeaveAction = parser.ReadString(section, L"MouseLeaveAction", L"", false);
m_MouseActionCursor = 0!=parser.ReadInt(section, L"MouseActionCursor", m_MeterWindow->GetMeterMouseActionCursor());
m_HasMouseAction =
( !m_LeftMouseUpAction.empty() || !m_LeftMouseDownAction.empty() || !m_LeftMouseDoubleClickAction.empty()
|| !m_MiddleMouseUpAction.empty() || !m_MiddleMouseDownAction.empty() || !m_MiddleMouseDoubleClickAction.empty()
|| !m_RightMouseUpAction.empty() || !m_RightMouseDownAction.empty() || !m_RightMouseDoubleClickAction.empty() );
m_ToolTipText = parser.ReadString(section, L"ToolTipText", L"");
m_ToolTipTitle = parser.ReadString(section, L"ToolTipTitle", L"");
m_ToolTipIcon = parser.ReadString(section, L"ToolTipIcon", L"");
m_ToolTipWidth = (int)parser.ReadFloat(section, L"ToolTipWidth", 1000);
m_ToolTipType = 0!=parser.ReadInt(section, L"ToolTipType", 0);
m_ToolTipHidden = 0!=parser.ReadInt(section, L"ToolTipHidden", m_MeterWindow->GetMeterToolTipHidden());
int updateDivider = parser.ReadInt(section, L"UpdateDivider", 1);
if (updateDivider != m_UpdateDivider)
{
m_UpdateCounter = m_UpdateDivider = updateDivider;
}
m_AntiAlias = 0!=parser.ReadInt(section, L"AntiAlias", 0);
m_DynamicVariables = 0!=parser.ReadInt(section, L"DynamicVariables", 0);
std::vector<Gdiplus::REAL> matrix = parser.ReadFloats(section, L"TransformationMatrix");
if (matrix.size() == 6)
{
if (m_Transformation)
{
m_Transformation->SetElements(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
}
else
{
m_Transformation = new Matrix(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
}
}
else if (!matrix.empty())
{
delete m_Transformation;
m_Transformation = NULL;
LogWithArgs(LOG_ERROR, L"Meter: Incorrect number of values in TransformationMatrix=%s", parser.ReadString(section, L"TransformationMatrix", L"").c_str());
}
const std::wstring& group = parser.ReadString(section, L"Group", L"");
InitializeGroup(group);
}
/*
** Binds this meter to the given measure. The same measure can be bound to
** several meters but one meter and only be bound to one measure.
**
*/
void CMeter::BindMeasure(const std::list<CMeasure*>& measures)
{
// The meter is not bound to anything
if (m_MeasureName.empty())
{
std::wstring error = L"The meter [" + m_Name;
error += L"] is unbound";
throw CError(error);
}
// Go through the list and check it there is a measure for us
const WCHAR* measure = m_MeasureName.c_str();
std::list<CMeasure*>::const_iterator i = measures.begin();
for ( ; i != measures.end(); ++i)
{
if (_wcsicmp((*i)->GetName(), measure) == 0)
{
m_Measure = (*i);
return;
}
}
// Error :)
std::wstring error = L"The meter [" + m_Name;
error += L"] cannot be bound with [";
error += m_MeasureName;
error += L']';
throw CError(error);
}
/*
** Creates the given meter. This is the factory method for the meters.
** If new meters are implemented this method needs to be updated.
**
*/
CMeter* CMeter::Create(const WCHAR* meter, CMeterWindow* meterWindow, const WCHAR* name)
{
if (_wcsicmp(L"STRING", meter) == 0)
{
return new CMeterString(meterWindow, name);
}
else if (_wcsicmp(L"IMAGE", meter) == 0)
{
return new CMeterImage(meterWindow, name);
}
else if (_wcsicmp(L"HISTOGRAM", meter) == 0)
{
return new CMeterHistogram(meterWindow, name);
}
else if (_wcsicmp(L"BAR", meter) == 0)
{
return new CMeterBar(meterWindow, name);
}
else if (_wcsicmp(L"BITMAP", meter) == 0)
{
return new CMeterBitmap(meterWindow, name);
}
else if (_wcsicmp(L"LINE", meter) == 0)
{
return new CMeterLine(meterWindow, name);
}
else if (_wcsicmp(L"ROUNDLINE", meter) == 0)
{
return new CMeterRoundLine(meterWindow, name);
}
else if (_wcsicmp(L"ROTATOR", meter) == 0)
{
return new CMeterRotator(meterWindow, name);
}
else if (_wcsicmp(L"BUTTON", meter) == 0)
{
return new CMeterButton(meterWindow, name);
}
// Error
std::wstring error = L"Meter=";
error += meter;
error += L" is not valid in [";
error += name;
error += L']';
throw CError(error);
return NULL;
}
/*
** Updates the value(s) from the measures. Derived classes should
** only update if this returns true;
*/
bool CMeter::Update()
{
// Only update the meter's value when the divider is equal to the counter
++m_UpdateCounter;
if (m_UpdateCounter < m_UpdateDivider) return false;
m_UpdateCounter = 0;
return true;
}
/*
** Creates a vector containing all the defined measures (for Histogram)
*/
void CMeter::SetAllMeasures(CMeasure* measure)
{
m_AllMeasures.clear();
m_AllMeasures.reserve(2);
m_AllMeasures.push_back(m_Measure);
m_AllMeasures.push_back(measure);
}
/*
** Creates a vector containing all the defined measures (for Image/Line/String)
*/
void CMeter::SetAllMeasures(const std::vector<CMeasure*>& measures)
{
m_AllMeasures.clear();
m_AllMeasures.reserve(1 + measures.size());
m_AllMeasures.push_back(m_Measure);
std::vector<CMeasure*>::const_iterator i = measures.begin();
for ( ; i != measures.end(); ++i)
{
m_AllMeasures.push_back(*i);
}
}
/*
** Reads measure names (MeasureName2 - MeasureName[N])
*/
void CMeter::ReadMeasureNames(CConfigParser& parser, const WCHAR* section, std::vector<std::wstring>& measureNames)
{
WCHAR tmpName[64];
int i = 2;
bool loop = true;
do
{
_snwprintf_s(tmpName, _TRUNCATE, L"MeasureName%i", i);
const std::wstring& measure = parser.ReadString(section, tmpName, L"");
if (!measure.empty())
{
measureNames.push_back(measure);
}
else
{
loop = false;
}
++i;
}
while(loop);
}
/*
** Replaces %1, %2 etc with the corresponding measure value
*/
bool CMeter::ReplaceMeasures(const std::vector<std::wstring>& stringValues, std::wstring& str)
{
bool replaced = false;
if (str.find(L'%') != std::wstring::npos)
{
WCHAR buffer[64];
// Create the actual text (i.e. replace %1, %2, .. with the measure texts)
for (size_t i = stringValues.size(); i > 0; --i)
{
size_t len = _snwprintf_s(buffer, _TRUNCATE, L"%%%i", (int)i);
size_t start = 0, pos;
do
{
pos = str.find(buffer, start, len);
if (pos != std::wstring::npos)
{
str.replace(pos, len, stringValues[i - 1]);
start = pos + stringValues[i - 1].length();
replaced = true;
}
}
while (pos != std::wstring::npos);
}
}
return replaced;
}
/*
** Replaces %1, %2 etc with the corresponding measure value
*/
void CMeter::ReplaceToolTipMeasures(std::wstring& str)
{
std::vector<std::wstring> stringValues;
if (!m_AllMeasures.empty())
{
// Get the values for the measures
std::vector<CMeasure*>::const_iterator iter = m_AllMeasures.begin();
for ( ; iter != m_AllMeasures.end(); ++iter)
{
stringValues.push_back((*iter)->GetStringValue(AUTOSCALE_ON, 1, 0, false));
}
}
else if (m_Measure != NULL)
{
stringValues.push_back(m_Measure->GetStringValue(AUTOSCALE_ON, 1, 0, false));
}
else
{
return;
}
if (!stringValues.empty())
{
ReplaceMeasures(stringValues, str);
}
}
/*
** Does the initial construction of the ToolTip for the meter
*/
void CMeter::CreateToolTip(CMeterWindow* meterWindow)
{
HWND hMeterWindow = m_MeterWindow->GetWindow();
HINSTANCE hInstance = m_MeterWindow->GetMainObject()->GetInstance();
DWORD style = WS_POPUP | TTS_NOPREFIX | TTS_ALWAYSTIP;
if (m_ToolTipType)
{
style |= TTS_BALLOON;
}
HWND hwndTT = CreateWindowEx(WS_EX_TOPMOST,
TOOLTIPS_CLASS,
NULL,
style,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
hMeterWindow,
NULL,
hInstance,
NULL);
if (hwndTT)
{
SetWindowPos(hwndTT, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
TOOLINFO ti = {sizeof(TOOLINFO), TTF_SUBCLASS, hMeterWindow, 0, GetMeterRect(), hInstance};
SendMessage(hwndTT, TTM_ADDTOOL, NULL, (LPARAM) (LPTOOLINFO) &ti);
m_ToolTipHandle = hwndTT;
UpdateToolTip();
}
}
/*
** Updates the ToolTip to match new values
*/
void CMeter::UpdateToolTip()
{
HWND hwndTT = m_ToolTipHandle;
TOOLINFO ti = {sizeof(TOOLINFO)};
ti.hwnd = m_MeterWindow->GetWindow();
SendMessage(hwndTT, TTM_GETTOOLINFO, NULL, (LPARAM)&ti);
std::wstring text = m_ToolTipText;
ReplaceToolTipMeasures(text);
ti.lpszText = (LPTSTR)text.c_str();
ti.rect = GetMeterRect();
SendMessage(hwndTT, TTM_SETTOOLINFO, NULL, (LPARAM)&ti);
SendMessage(hwndTT, TTM_SETMAXTIPWIDTH, NULL, m_ToolTipWidth);
if (!m_ToolTipTitle.empty())
{
HICON hIcon = NULL;
bool destroy = false;
if (!m_ToolTipIcon.empty())
{
const WCHAR* tipIcon = m_ToolTipIcon.c_str();
if (_wcsicmp(tipIcon, L"INFO") == 0)
{
hIcon = (HICON)TTI_INFO;
}
else if (_wcsicmp(tipIcon, L"WARNING") == 0)
{
hIcon = (HICON)TTI_WARNING;
}
else if (_wcsicmp(tipIcon, L"ERROR") == 0)
{
hIcon = (HICON)TTI_ERROR;
}
else if (_wcsicmp(tipIcon, L"QUESTION") == 0)
{
hIcon = LoadIcon(NULL, IDI_QUESTION);
}
else if (_wcsicmp(tipIcon, L"SHIELD") == 0)
{
hIcon = LoadIcon(NULL, IDI_SHIELD);
}
else
{
hIcon = (HICON)LoadImage(NULL, tipIcon, IMAGE_ICON, 0, 0, LR_LOADFROMFILE);
destroy = true;
}
}
text = m_ToolTipTitle;
ReplaceToolTipMeasures(text);
SendMessage(hwndTT, TTM_SETTITLE, (WPARAM) hIcon, (LPARAM)text.c_str());
if (destroy)
{
DestroyIcon(hIcon);
}
}
if (m_ToolTipHidden)
{
SendMessage(hwndTT, TTM_ACTIVATE, FALSE, NULL);
}
else
{
SendMessage(hwndTT, TTM_ACTIVATE, !IsHidden(), NULL);
}
}
/*
** Draws the solid background & bevel if such are defined
*/
bool CMeter::Draw(Graphics& graphics)
{
if (IsHidden()) return false;
graphics.SetInterpolationMode(InterpolationModeDefault);
graphics.SetCompositingQuality(CompositingQualityDefault);
if (m_AntiAlias)
{
graphics.SetSmoothingMode(SmoothingModeHighQuality);
graphics.SetPixelOffsetMode(PixelOffsetModeHighQuality);
}
else
{
graphics.SetSmoothingMode(SmoothingModeNone);
graphics.SetPixelOffsetMode(PixelOffsetModeDefault);
}
if (m_SolidColor.GetA() != 0 || m_SolidColor2.GetA() != 0)
{
int x = GetX();
int y = GetY();
Rect r(x, y, m_W, m_H);
if (m_SolidColor.GetValue() == m_SolidColor2.GetValue())
{
SolidBrush solid(m_SolidColor);
graphics.FillRectangle(&solid, r);
}
else
{
if (!m_AntiAlias)
{
// Fix the tiling issue in some GradientAngle values
graphics.SetPixelOffsetMode(PixelOffsetModeHalf);
}
LinearGradientBrush gradient(r, m_SolidColor, m_SolidColor2, m_SolidAngle, TRUE);
graphics.FillRectangle(&gradient, r);
if (!m_AntiAlias)
{
graphics.SetPixelOffsetMode(PixelOffsetModeDefault);
}
}
}
if (m_SolidBevel != BEVELTYPE_NONE)
{
int x = GetX();
int y = GetY();
Color lightColor(255, 255, 255, 255);
Color darkColor(255, 0, 0, 0);
if (m_SolidBevel == BEVELTYPE_DOWN)
{
lightColor.SetValue(Color::MakeARGB(255, 0, 0, 0));
darkColor.SetValue(Color::MakeARGB(255, 255, 255, 255));
}
Pen light(lightColor);
Pen dark(darkColor);
// The bevel is drawn outside the meter
Rect rect(x - 2, y - 2, m_W + 4, m_H + 4);
DrawBevel(graphics, rect, light, dark);
}
return true;
}
/*
** Draws a bevel inside the given area
*/
void CMeter::DrawBevel(Graphics& graphics, const Rect& rect, const Pen& light, const Pen& dark)
{
int l = rect.GetLeft();
int r = rect.GetRight() - 1;
int t = rect.GetTop();
int b = rect.GetBottom() - 1;
graphics.DrawLine(&light, l, t, l, b);
graphics.DrawLine(&light, l, t, r, t);
graphics.DrawLine(&light, l + 1, t + 1, l + 1, b - 1);
graphics.DrawLine(&light, l + 1, t + 1, r - 1, t + 1);
graphics.DrawLine(&dark, l, b, r, b);
graphics.DrawLine(&dark, r, t, r, b);
graphics.DrawLine(&dark, l + 1, b - 1, r - 1, b - 1);
graphics.DrawLine(&dark, r - 1, t + 1, r - 1, b - 1);
}