rainmeter-studio/Library/Meter.cpp
2009-07-27 11:48:57 +00:00

446 lines
11 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#pragma warning(disable: 4996)
#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;
int CMeter::c_OldX = 0;
int CMeter::c_OldY = 0;
/*
** CMeter
**
** The constructor
**
*/
CMeter::CMeter(CMeterWindow* meterWindow)
{
m_Measure = NULL;
m_X = 0;
m_Y = 0;
m_W = 0;
m_H = 0;
m_RelativeMeter = NULL;
m_Hidden = false;
m_SolidBevel = BEVELTYPE_NONE;
m_MouseOver = false;
m_UpdateDivider = 1;
m_UpdateCounter = 0;
m_RelativeX = POSITION_ABSOLUTE;
m_RelativeY = POSITION_ABSOLUTE;
m_MeterWindow = NULL;
m_SolidAngle = 0.0;
m_MeterWindow = meterWindow;
}
/*
** ~CMeter
**
** The destructor
**
*/
CMeter::~CMeter()
{
}
/*
** Initialize
**
** 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()
{
}
/*
** GetX
**
** Returns the X-position of the meter.
**
*/
int CMeter::GetX(bool abs)
{
if (m_RelativeX != POSITION_ABSOLUTE && m_MeterWindow)
{
if (m_RelativeMeter == NULL)
{
std::list<CMeter*>& meters = m_MeterWindow->GetMeters();
std::list<CMeter*>::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;
}
/*
** GetY
**
** Returns the Y-position of the meter.
**
*/
int CMeter::GetY(bool abs)
{
if (m_RelativeY != POSITION_ABSOLUTE && m_MeterWindow)
{
if (m_RelativeMeter == NULL)
{
std::list<CMeter*>& meters = m_MeterWindow->GetMeters();
std::list<CMeter*>::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;
}
/*
** HitTest
**
** 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;
}
/*
** ReadConfig
**
** 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(const WCHAR* section)
{
CConfigParser& parser = m_MeterWindow->GetParser();
const std::wstring& x = parser.ReadString(section, L"X", L"0");
if (x.size() > 0)
{
m_X = _wtoi(x.c_str());
if (x[x.size() - 1] == L'r')
{
m_RelativeX = POSITION_RELATIVE_TL;
}
else if (x[x.size() - 1] == L'R')
{
m_RelativeX = POSITION_RELATIVE_BR;
}
}
const std::wstring& y = parser.ReadString(section, L"Y", L"0");
if (y.size() > 0)
{
m_Y = _wtoi(y.c_str());
if (y[y.size() - 1] == L'r')
{
m_RelativeY = POSITION_RELATIVE_TL;
}
else if (y[y.size() - 1] == L'R')
{
m_RelativeY = POSITION_RELATIVE_BR;
}
}
m_W = parser.ReadInt(section, L"W", 1);
m_H = parser.ReadInt(section, L"H", 1);
m_Hidden = 0!=parser.ReadInt(section, L"Hidden", 0);
m_SolidBevel = (BEVELTYPE)parser.ReadInt(section, L"BevelType", m_SolidBevel);
m_SolidColor = parser.ReadColor(section, L"SolidColor", Color(0, 0, 0, 0));
m_SolidColor2 = parser.ReadColor(section, L"SolidColor2", m_SolidColor);
m_SolidAngle = (Gdiplus::REAL)parser.ReadFloat(section, L"GradientAngle", 0.0);
m_RightMouseDownAction = parser.ReadString(section, L"RightMouseDownAction", L"");
m_LeftMouseDownAction = parser.ReadString(section, L"LeftMouseDownAction", L"");
m_RightMouseUpAction = parser.ReadString(section, L"RightMouseUpAction", L"");
m_LeftMouseUpAction = parser.ReadString(section, L"LeftMouseUpAction", L"");
m_MouseOverAction = parser.ReadString(section, L"MouseOverAction", L"");
m_MouseLeaveAction = parser.ReadString(section, L"MouseLeaveAction", L"");
m_MeasureName = parser.ReadString(section, L"MeasureName", L"");
m_UpdateDivider = parser.ReadInt(section, L"UpdateDivider", 1);
m_UpdateCounter = m_UpdateDivider;
std::vector<Gdiplus::REAL> matrix = parser.ReadFloats(section, L"TransformationMatrix");
if (matrix.size() == 6)
{
m_Transformation.SetElements(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
}
else if (!matrix.empty())
{
DebugLog(L"The transformation matrix has incorrect number of values:", parser.ReadString(section, L"TransformationMatrix", L"").c_str());
}
if (m_W == 0 || m_H == 0)
{
throw CError(std::wstring(L"The meter ") + section + L" has zero dimensions.", __LINE__, __FILE__);
}
}
/*
** BindMeasure
**
** 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(std::list<CMeasure*>& measures)
{
// The meter is not bound to anything
if (m_MeasureName.empty())
{
throw CError(std::wstring(L"The meter [") + m_Name + L"] is not bound to anything!", __LINE__, __FILE__);
}
// Go through the list and check it there is a measure for us
std::list<CMeasure*>::iterator i = measures.begin();
for( ; i != measures.end(); i++)
{
if(_wcsicmp((*i)->GetName(), m_MeasureName.c_str()) == 0)
{
m_Measure = (*i);
return;
}
}
// Error :)
throw CError(std::wstring(L"The meter [") + m_Name + L"] cannot be bound with [" + m_MeasureName + L"]!", __LINE__, __FILE__);
}
/*
** Create
**
** 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)
{
if(_wcsicmp(L"HISTOGRAM", meter) == 0)
{
return new CMeterHistogram(meterWindow);
}
else if(_wcsicmp(L"STRING", meter) == 0)
{
return new CMeterString(meterWindow);
}
else if(_wcsicmp(L"BAR", meter) == 0)
{
return new CMeterBar(meterWindow);
}
else if(_wcsicmp(L"BITMAP", meter) == 0)
{
return new CMeterBitmap(meterWindow);
}
else if(_wcsicmp(L"IMAGE", meter) == 0)
{
return new CMeterImage(meterWindow);
}
else if(_wcsicmp(L"LINE", meter) == 0)
{
return new CMeterLine(meterWindow);
}
else if(_wcsicmp(L"ROUNDLINE", meter) == 0)
{
return new CMeterRoundLine(meterWindow);
}
else if(_wcsicmp(L"ROTATOR", meter) == 0)
{
return new CMeterRotator(meterWindow);
}
else if(_wcsicmp(L"BUTTON", meter) == 0)
{
return new CMeterButton(meterWindow);
}
// Error
throw CError(std::wstring(L"No such meter: ") + meter, __LINE__, __FILE__);
return NULL;
}
/*
** Update
**
** 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;
}
/*
** Draw
**
** Draws the solid background & bevel if such are defined
*/
bool CMeter::Draw(Graphics& graphics)
{
if (IsHidden()) return false;
if (m_SolidColor.GetA() != 0 || m_SolidColor2.GetA() != 0)
{
int x = GetX();
int y = GetY();
if (m_SolidColor.GetValue() == m_SolidColor2.GetValue())
{
SolidBrush solid(m_SolidColor);
graphics.FillRectangle(&solid, x, y, m_W, m_H);
}
else
{
Rect r(x, y, m_W, m_H);
LinearGradientBrush gradient(r, m_SolidColor, m_SolidColor2, m_SolidAngle, TRUE);
graphics.FillRectangle(&gradient, r);
}
}
if (m_SolidBevel != BEVELTYPE_NONE)
{
int x = GetX();
int y = GetY();
Pen light(Color(255, 255, 255, 255));
Pen dark(Color(255, 0, 0, 0));
if (m_SolidBevel == BEVELTYPE_DOWN)
{
light.SetColor(Color(255, 0, 0, 0));
dark.SetColor(Color(255, 255, 255, 255));
}
// 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;
}
/*
** DrawBevel
**
** Draws a bevel inside the given area
*/
void CMeter::DrawBevel(Graphics& graphics, Rect& rect, Pen& light, 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, l + 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);
}