reactos/sdk/lib/3rdparty/cardlib/cardbutton.cpp

485 lines
9.6 KiB
C++

//
// CardLib - CardButton class
//
// Freeware
// Copyright J Brown 2001
//
#include "cardlib.h"
HPALETTE UseNicePalette(HDC, HPALETTE);
void RestorePalette(HDC, HPALETTE);
void PaintRect(HDC hdc, RECT *rect, COLORREF colour);
CardButton::CardButton(CardWindow &parent, int Id, TCHAR *szText, UINT Style, bool visible,
int x, int y, int width, int height)
: parentWnd(parent), id(Id), uStyle(Style), fVisible(visible), ButtonCallback(0)
{
crText = RGB(255,255,255);
crBack = RGB(0, 128, 0);
xadjust = 0;
yadjust = 0;
xjustify = 0;
yjustify = 0;
fMouseDown = false;
fButtonDown = false;
hIcon = 0;
SetText(szText);
Move(x, y, width, height);
mxlock = CreateMutex(0, FALSE, 0);
hFont = 0;
}
CardButton::~CardButton()
{
CloseHandle(mxlock);
}
void CardButton::DrawRect(HDC hdc, RECT *rect, bool fNormal)
{
RECT fill;
HANDLE hOld;
HPEN hhi = CreatePen(0, 0, MAKE_PALETTERGB(crHighlight));
HPEN hsh = CreatePen(0, 0, MAKE_PALETTERGB(crShadow));
HPEN hbl = (HPEN)GetStockObject(BLACK_PEN);
int x = rect->left;
int y = rect->top;
int width = rect->right-rect->left - 1;
int height = rect->bottom-rect->top - 1;
SetRect(&fill, x+1, y+1, x+width-1, y+height-1);
int one = 1;
if(!fNormal)
{
x += width;
y += height;
width = -width;
height = -height;
one = -1;
OffsetRect(&fill, 1, 1);
}
if(fNormal)
hOld = SelectObject(hdc, hhi);
else
hOld = SelectObject(hdc, hsh);
MoveToEx(hdc, x, y+height, 0);
LineTo(hdc, x, y);
LineTo(hdc, x+width, y);
SelectObject(hdc, hOld);
hOld = SelectObject(hdc, hbl);
LineTo(hdc, x+width, y+height);
LineTo(hdc, x-one, y+height);
SelectObject(hdc, hOld);
hOld = SelectObject(hdc, hsh);
MoveToEx(hdc, x+one, y+height-one, 0);
LineTo(hdc, x+width-one, y+height-one);
LineTo(hdc, x+width-one, y);
SelectObject(hdc, hOld);
PaintRect(hdc, &fill, MAKE_PALETTERGB(crBack));
DeleteObject(hhi);
DeleteObject(hsh);
}
void CardButton::Clip(HDC hdc)
{
if(fVisible == false) return;
ExcludeClipRect(hdc, rect.left, rect.top, rect.right, rect.bottom);
}
void CardButton::Draw(HDC hdc, bool fNormal)
{
SIZE textsize;
int x, y; //text x, y
int ix, iy; //icon x, y
int iconwidth = 0;
RECT cliprect;
if(fVisible == 0) return;
if(hFont == 0)
SelectObject(hdc, GetStockObject(DEFAULT_GUI_FONT));
else
SelectObject(hdc, hFont);
GetTextExtentPoint32(hdc, szText, lstrlen(szText), &textsize);
if(hIcon)
{
x = rect.left + 32 + 8;
}
else
{
if(uStyle & CB_ALIGN_LEFT)
{
x = rect.left + iconwidth;
}
else if(uStyle & CB_ALIGN_RIGHT)
{
x = rect.left + (rect.right-rect.left-iconwidth-textsize.cx);
}
else //centered
{
x = rect.right - rect.left - iconwidth;
x = (x - textsize.cx) / 2;
x += rect.left + iconwidth;
}
}
y = rect.bottom - rect.top;
y = (y - textsize.cy) / 2;
y += rect.top;
//calc icon position..
ix = rect.left + 4;
iy = rect.top + (rect.bottom-rect.top-32) / 2;
//if button is pressed, then shift text
if(fNormal == false && (uStyle & CB_PUSHBUTTON))
{
x += 1;
y += 1;
ix += 1;
iy += 1;
}
SetRect(&cliprect, x, y, x+textsize.cx, y+textsize.cy);
ExcludeClipRect(hdc, x, y, x+textsize.cx, y+textsize.cy);
//
// Calc icon pos
//
if(hIcon)
{
ExcludeClipRect(hdc, ix, iy, ix + 32, iy + 32);
}
if(uStyle & CB_PUSHBUTTON)
{
DrawRect(hdc, &rect, fNormal);
SetBkColor(hdc, MAKE_PALETTERGB(crBack));
SetTextColor(hdc, crText);//MAKE_PALETTERGB(crText));
SelectClipRgn(hdc, 0);
ExtTextOut(hdc, x, y, ETO_OPAQUE, &cliprect, szText, lstrlen(szText), 0);
}
else
{
SetBkColor(hdc, MAKE_PALETTERGB(crBack));
SetTextColor(hdc, crText);//MAKE_PALETTERGB(crText));
SelectClipRgn(hdc, 0);
ExtTextOut(hdc, x, y, ETO_OPAQUE, &rect, szText, lstrlen(szText), 0);
}
if(hIcon)
{
HBRUSH hbr = CreateSolidBrush(MAKE_PALETTERGB(crBack));
DrawIconEx(hdc, ix, iy, hIcon, 32, 32, 0, hbr, 0);
DeleteObject(hbr);
}
}
void CardButton::AdjustPosition(int winwidth, int winheight)
{
int width = rect.right-rect.left;
int height = rect.bottom-rect.top;
width = width & ~0x1;
switch(xjustify)
{
case CS_XJUST_NONE:
break;
case CS_XJUST_CENTER: //centered
rect.left = (winwidth - (width)) / 2;
rect.left += xadjust;
rect.right = rect.left+width;
break;
case CS_XJUST_RIGHT: //right-aligned
rect.left = winwidth - width;
rect.left += xadjust;
rect.right = rect.left+width;
break;
}
switch(yjustify)
{
case CS_YJUST_NONE:
break;
case CS_YJUST_CENTER: //centered
rect.top = (winheight - (height)) / 2;
rect.top += yadjust;
rect.bottom = rect.top+height;
break;
case CS_YJUST_BOTTOM: //right-aligned
rect.top = winheight - height;
rect.top += yadjust;
rect.bottom = rect.top+height;
break;
}
}
int CardButton::OnLButtonDown(HWND hwnd, int x, int y)
{
if((uStyle & CB_PUSHBUTTON) == 0)
return 0;
//make sure that the user is allowed to do something
if(WaitForSingleObject(mxlock, 0) != WAIT_OBJECT_0)
{
return 0;
}
else
{
ReleaseMutex(mxlock);
}
fMouseDown = true;
fButtonDown = true;
Redraw();
SetCapture(hwnd);
return 1;
}
int CardButton::OnMouseMove(HWND hwnd, int x, int y)
{
if(fMouseDown)
{
bool fOldButtonDown = fButtonDown;
POINT pt;
pt.x = x;
pt.y = y;
if(PtInRect(&rect, pt))
fButtonDown = true;
else
fButtonDown = false;
if(fButtonDown != fOldButtonDown)
Redraw();
}
return 0;
}
int CardButton::OnLButtonUp(HWND hwnd, int x, int y)
{
if(fMouseDown)
{
fMouseDown = false;
fButtonDown = false;
if(uStyle & CB_PUSHBUTTON)
{
Redraw();
ReleaseCapture();
}
//if have clicked the button
if(parentWnd.CardButtonFromPoint(x, y) == this)
{
if(ButtonCallback)
{
ButtonCallback(*this);
}
else
{
HWND hwnd = (HWND)parentWnd;
SendMessage(GetParent(hwnd), WM_COMMAND, MAKEWPARAM(id, BN_CLICKED), (LONG_PTR)hwnd);
}
}
}
return 0;
}
//#define _countof(array) (sizeof(array)/sizeof(array[0]))
CardButton *CardWindow::CreateButton(int id, TCHAR *szText, UINT uStyle, bool fVisible, int x, int y, int width, int height)
{
CardButton *cb;
if(nNumButtons == MAXBUTTONS)
return 0;
cb = new CardButton(*this, id, szText, uStyle, fVisible, x, y, width, height);
Buttons[nNumButtons++] = cb;
if(uStyle & CB_PUSHBUTTON)
{
cb->SetBackColor(CardButton::GetFace(crBackgnd));
//cb->SetBackColor(ScaleLumRGB(crBackgnd, 0.1));
cb->SetForeColor(RGB(255,255,255));
}
else
{
cb->SetBackColor(crBackgnd);
cb->SetForeColor(RGB(255,255,255));
}
return cb;
}
void CardButton::SetText(TCHAR *lpszFormat, ...)
{
int count;
va_list args;
va_start(args, lpszFormat);
count = wvsprintf(szText, lpszFormat, args);
va_end(args);
}
int CardButton::Id()
{
return id;
}
void CardButton::Show(bool fShow)
{
fVisible = fShow;
}
void CardButton::Move(int x, int y, int width, int height)
{
SetRect(&rect, x, y, x+width, y+height);
}
void CardButton::Redraw()
{
HDC hdc = GetDC((HWND)parentWnd);
HPALETTE hOldPal = UseNicePalette(hdc, __hPalette);
Draw(hdc, !fButtonDown);
RestorePalette(hdc, hOldPal);
ReleaseDC((HWND)parentWnd, hdc);
}
void CardButton::SetForeColor(COLORREF cr)
{
crText = cr;
}
void CardButton::SetBackColor(COLORREF cr)
{
crBack = cr;
crHighlight = GetHighlight(cr);
crShadow = GetShadow(cr);
//crHighlight = ScaleLumRGB(cr, +0.25);
//crShadow = ScaleLumRGB(cr, -0.25);
}
// Static member
COLORREF CardButton::GetHighlight(COLORREF crBase)
{
return ColorScaleRGB(crBase, RGB(255,255,255), 0.25);
}
// Static member
COLORREF CardButton::GetShadow(COLORREF crBase)
{
return ColorScaleRGB(crBase, RGB(0, 0, 0), 0.25);
}
COLORREF CardButton::GetFace(COLORREF crBase)
{
return ColorScaleRGB(crBase, RGB(255,255,255), 0.1);
}
void CardButton::SetPlacement(UINT xJustify, UINT yJustify, int xAdjust, int yAdjust)
{
xadjust = xAdjust;
yadjust = yAdjust;
xjustify = xJustify;
yjustify = yJustify;
}
void CardButton::SetIcon(HICON hicon, bool fRedraw)
{
hIcon = hicon;
if(fRedraw)
Redraw();
}
void CardButton::SetFont(HFONT font)
{
//don't delete the existing font..
hFont = font;
}
void CardButton::SetButtonProc(pButtonProc proc)
{
ButtonCallback = proc;
}
bool CardButton::Lock()
{
DWORD dw = WaitForSingleObject(mxlock, 0);
if(dw == WAIT_OBJECT_0)
return true;
else
return false;
}
bool CardButton::UnLock()
{
if(ReleaseMutex(mxlock))
return true;
else
return false;
}
void CardButton::SetStyle(UINT style)
{
uStyle = style;
}
UINT CardButton::GetStyle()
{
return uStyle;
}