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

   1 //
   2 //    CardLib - CardButton class
   3 //
   4 //    Freeware
   5 //    Copyright J Brown 2001
   6 //
   7 //#include <windows.h>
   8 //#include <tchar.h>
   9
  10 #define WIN32_NO_STATUS
  11 #include <windef.h>
  12
  13 #include "cardlib.h"
  14 //#include "cardwindow.h"
  15 //#include "cardbutton.h"
  16 #include "cardcolor.h"
  17
  18 HPALETTE UseNicePalette(HDC, HPALETTE);
  19 void     RestorePalette(HDC, HPALETTE);
  20
  21 void PaintRect(HDC hdc, RECT *rect, COLORREF colour);
  22
  23 CardButton::CardButton(CardWindow &parent, int Id, TCHAR *szText, UINT Style, bool visible,
  24                         int x, int y, int width, int height)
  25
  26  : parentWnd(parent), id(Id), uStyle(Style), fVisible(visible), ButtonCallback(0)
  27 {
  28     crText = RGB(255,255,255);
  29     crBack = RGB(0, 128, 0);
  30
  31     xadjust = 0;
  32     yadjust = 0;
  33     xjustify = 0;
  34     yjustify = 0;
  35
  36     fMouseDown = false;
  37     fButtonDown = false;
  38
  39     hIcon = 0;
  40
  41     SetText(szText);
  42     Move(x, y, width, height);
  43
  44     mxlock = CreateMutex(0, FALSE, 0);
  45
  46     hFont = 0;
  47 }
  48
  49 CardButton::~CardButton()
  50 {
  51     CloseHandle(mxlock);
  52 }
  53
  54 void CardButton::DrawRect(HDC hdc, RECT *rect, bool fNormal)
  55 {
  56     RECT fill;
  57
  58     HANDLE hOld;
  59
  60     HPEN hhi = CreatePen(0, 0, MAKE_PALETTERGB(crHighlight));
  61     HPEN hsh = CreatePen(0, 0, MAKE_PALETTERGB(crShadow));
  62     HPEN hbl = (HPEN)GetStockObject(BLACK_PEN);
  63
  64     int x        = rect->left;
  65     int y        = rect->top;
  66     int width    = rect->right-rect->left - 1;
  67     int height    = rect->bottom-rect->top - 1;
  68
  69     SetRect(&fill, x+1, y+1, x+width-1, y+height-1);
  70
  71     int one = 1;
  72
  73     if(!fNormal)
  74     {
  75         x += width;
  76         y += height;
  77         width = -width;
  78         height = -height;
  79         one = -1;
  80         OffsetRect(&fill, 1, 1);
  81     }
  82
  83     if(fNormal)
  84         hOld = SelectObject(hdc, hhi);
  85     else
  86         hOld = SelectObject(hdc, hhi);
  87
  88     MoveToEx(hdc, x, y+height, 0);
  89     LineTo(hdc, x, y);
  90     LineTo(hdc, x+width, y);
  91     SelectObject(hdc, hOld);
  92
  93     hOld = SelectObject(hdc, hbl);
  94     LineTo(hdc, x+width, y+height);
  95     LineTo(hdc, x-one, y+height);
  96     SelectObject(hdc, hOld);
  97
  98     hOld = SelectObject(hdc, hsh);
  99     MoveToEx(hdc, x+one, y+height-one, 0);
 100     LineTo(hdc, x+width-one, y+height-one);
 101     LineTo(hdc, x+width-one, y);
 102     SelectObject(hdc, hOld);
 103
 104     PaintRect(hdc, &fill, MAKE_PALETTERGB(crBack));
 105
 106     DeleteObject(hhi);
 107     DeleteObject(hsh);
 108 }
 109
 110 void CardButton::Clip(HDC hdc)
 111 {
 112     if(fVisible == false) return;
 113
 114     ExcludeClipRect(hdc, rect.left,  rect.top, rect.right, rect.bottom);
 115 }
 116
 117 void CardButton::Draw(HDC hdc, bool fNormal)
 118 {
 119     SIZE textsize;
 120     int x, y;        //text x, y
 121     int ix, iy;        //icon x, y
 122     int iconwidth = 0;
 123
 124     RECT cliprect;
 125
 126     if(fVisible == 0) return;
 127
 128     if(hFont == 0)
 129         SelectObject(hdc, GetStockObject(DEFAULT_GUI_FONT));
 130     else
 131         SelectObject(hdc, hFont);
 132
 133     GetTextExtentPoint32(hdc, szText, lstrlen(szText), &textsize);
 134
 135     if(hIcon)
 136     {
 137         x = rect.left + 32 + 8;
 138     }
 139     else
 140     {
 141         if(uStyle & CB_ALIGN_LEFT)
 142         {
 143             x = rect.left + iconwidth;
 144         }
 145         else if(uStyle & CB_ALIGN_RIGHT)
 146         {
 147             x = rect.left + (rect.right-rect.left-iconwidth-textsize.cx);
 148         }
 149         else    //centered
 150         {
 151             x = rect.right - rect.left - iconwidth;
 152             x = (x - textsize.cx) / 2;
 153             x += rect.left + iconwidth;
 154         }
 155     }
 156
 157     y = rect.bottom - rect.top;
 158     y = (y - textsize.cy) / 2;
 159     y += rect.top;
 160
 161     //calc icon position..
 162     ix = rect.left + 4;
 163     iy = rect.top + (rect.bottom-rect.top-32) / 2;
 164
 165     //if button is pressed, then shift text
 166     if(fNormal == false && (uStyle & CB_PUSHBUTTON))
 167     {
 168         x += 1;
 169         y += 1;
 170         ix += 1;
 171         iy += 1;
 172     }
 173
 174     SetRect(&cliprect, x, y, x+textsize.cx, y+textsize.cy);
 175     ExcludeClipRect(hdc, x, y, x+textsize.cx, y+textsize.cy);
 176
 177     //
 178     //    Calc icon pos
 179     //
 180
 181     if(hIcon)
 182     {
 183         ExcludeClipRect(hdc, ix, iy, ix + 32, iy + 32);
 184     }
 185
 186     if(uStyle & CB_PUSHBUTTON)
 187     {
 188         DrawRect(hdc, &rect, fNormal);
 189
 190         SetBkColor(hdc,   MAKE_PALETTERGB(crBack));
 191         SetTextColor(hdc, crText);//MAKE_PALETTERGB(crText));
 192
 193         SelectClipRgn(hdc, 0);
 194
 195         ExtTextOut(hdc, x, y, ETO_OPAQUE, &cliprect, szText, lstrlen(szText), 0);
 196     }
 197     else
 198     {
 199         SetBkColor(hdc,      MAKE_PALETTERGB(crBack));
 200         SetTextColor(hdc, crText);//MAKE_PALETTERGB(crText));
 201
 202         SelectClipRgn(hdc, 0);
 203
 204         ExtTextOut(hdc, x, y, ETO_OPAQUE, &rect, szText, lstrlen(szText), 0);
 205     }
 206
 207     if(hIcon)
 208     {
 209         HBRUSH hbr = CreateSolidBrush(MAKE_PALETTERGB(crBack));
 210         DrawIconEx(hdc, ix, iy, hIcon, 32, 32, 0, hbr, 0);
 211         DeleteObject(hbr);
 212     }
 213
 214 }
 215
 216 void CardButton::AdjustPosition(int winwidth, int winheight)
 217 {
 218     int width = rect.right-rect.left;
 219     int height = rect.bottom-rect.top;
 220
 221     width = width & ~0x1;
 222
 223     switch(xjustify)
 224     {
 225     case CS_XJUST_NONE:
 226         break;
 227
 228     case CS_XJUST_CENTER:        //centered
 229         rect.left = (winwidth - (width)) / 2;
 230         rect.left += xadjust;
 231         rect.right = rect.left+width;
 232         break;
 233
 234     case CS_XJUST_RIGHT:        //right-aligned
 235         rect.left = winwidth - width;
 236         rect.left += xadjust;
 237         rect.right = rect.left+width;
 238         break;
 239     }
 240
 241     switch(yjustify)
 242     {
 243     case CS_YJUST_NONE:
 244         break;
 245
 246     case CS_YJUST_CENTER:        //centered
 247         rect.top = (winheight - (height)) / 2;
 248         rect.top += yadjust;
 249         rect.bottom = rect.top+height;
 250         break;
 251
 252     case CS_YJUST_BOTTOM:        //right-aligned
 253         rect.top = winheight - height;
 254         rect.top += yadjust;
 255         rect.bottom = rect.top+height;
 256         break;
 257     }
 258
 259 }
 260
 261 int CardButton::OnLButtonDown(HWND hwnd, int x, int y)
 262 {
 263     if((uStyle & CB_PUSHBUTTON) == 0)
 264         return 0;
 265
 266     //make sure that the user is allowed to do something
 267     if(WaitForSingleObject(mxlock, 0) != WAIT_OBJECT_0)
 268     {
 269         return 0;
 270     }
 271     else
 272     {
 273         ReleaseMutex(mxlock);
 274     }
 275
 276     fMouseDown = true;
 277     fButtonDown = true;
 278
 279     Redraw();
 280
 281     SetCapture(hwnd);
 282
 283     return 1;
 284 }
 285
 286 int CardButton::OnMouseMove(HWND hwnd, int x, int y)
 287 {
 288     if(fMouseDown)
 289     {
 290         bool fOldButtonDown = fButtonDown;
 291
 292         POINT pt;
 293
 294         pt.x = x;
 295         pt.y = y;
 296
 297         if(PtInRect(&rect, pt))
 298             fButtonDown = true;
 299         else
 300             fButtonDown = false;
 301
 302         if(fButtonDown != fOldButtonDown)
 303             Redraw();
 304     }
 305
 306     return 0;
 307 }
 308
 309 int CardButton::OnLButtonUp(HWND hwnd, int x, int y)
 310 {
 311     if(fMouseDown)
 312     {
 313         fMouseDown = false;
 314         fButtonDown = false;
 315
 316         if(uStyle & CB_PUSHBUTTON)
 317         {
 318             Redraw();
 319             ReleaseCapture();
 320         }
 321
 322         //if have clicked the button
 323         if(parentWnd.CardButtonFromPoint(x, y) == this)
 324         {
 325             if(ButtonCallback)
 326             {
 327                 ButtonCallback(*this);
 328             }
 329             else
 330             {
 331                 HWND hwnd = (HWND)parentWnd;
 332                 SendMessage(GetParent(hwnd), WM_COMMAND, MAKEWPARAM(id, BN_CLICKED), (LONG_PTR)hwnd);
 333             }
 334         }
 335     }
 336
 337     return 0;
 338 }
 339
 340 //#define _countof(array) (sizeof(array)/sizeof(array[0]))
 341
 342 CardButton *CardWindow::CreateButton(int id, TCHAR *szText, UINT uStyle, bool fVisible, int x, int y, int width, int height)
 343 {
 344     CardButton *cb;
 345
 346     if(nNumButtons == MAXBUTTONS)
 347         return 0;
 348
 349     cb = new CardButton(*this, id, szText, uStyle, fVisible, x, y, width, height);
 350     Buttons[nNumButtons++] = cb;
 351
 352     if(uStyle & CB_PUSHBUTTON)
 353     {
 354         cb->SetBackColor(CardButton::GetFace(crBackgnd));
 355         //cb->SetBackColor(ScaleLumRGB(crBackgnd, 0.1));
 356         cb->SetForeColor(RGB(255,255,255));
 357     }
 358     else
 359     {
 360         cb->SetBackColor(crBackgnd);
 361         cb->SetForeColor(RGB(255,255,255));
 362     }
 363
 364     return cb;
 365 }
 366
 367 void CardButton::SetText(TCHAR *lpszFormat, ...)
 368 {
 369     int count;
 370
 371     va_list args;
 372     va_start(args, lpszFormat);
 373
 374     count = wvsprintf(szText, lpszFormat, args);
 375     va_end(args);
 376 }
 377
 378 int CardButton::Id()
 379 {
 380     return id;
 381 }
 382
 383 void CardButton::Show(bool fShow)
 384 {
 385     fVisible = fShow;
 386 }
 387
 388 void CardButton::Move(int x, int y, int width, int height)
 389 {
 390     SetRect(&rect, x, y, x+width, y+height);
 391 }
 392
 393 void CardButton::Redraw()
 394 {
 395     HDC hdc = GetDC((HWND)parentWnd);
 396
 397     HPALETTE hOldPal = UseNicePalette(hdc, __hPalette);
 398
 399     Draw(hdc, !fButtonDown);
 400
 401     RestorePalette(hdc, hOldPal);
 402
 403     ReleaseDC((HWND)parentWnd, hdc);
 404 }
 405
 406 void CardButton::SetForeColor(COLORREF cr)
 407 {
 408     crText = cr;
 409 }
 410
 411 void CardButton::SetBackColor(COLORREF cr)
 412 {
 413     crBack = cr;
 414
 415     crHighlight = GetHighlight(cr);
 416     crShadow    = GetShadow(cr);
 417
 418     //crHighlight = ScaleLumRGB(cr, +0.25);
 419     //crShadow    = ScaleLumRGB(cr, -0.25);
 420 }
 421
 422 //    Static member
 423 COLORREF CardButton::GetHighlight(COLORREF crBase)
 424 {
 425     return ColorScaleRGB(crBase, RGB(255,255,255), 0.25);
 426 }
 427
 428 //    Static member
 429 COLORREF CardButton::GetShadow(COLORREF crBase)
 430 {
 431     return ColorScaleRGB(crBase, RGB(0,  0,  0),   0.25);
 432 }
 433
 434 COLORREF CardButton::GetFace(COLORREF crBase)
 435 {
 436     return ColorScaleRGB(crBase, RGB(255,255,255), 0.1);
 437 }
 438
 439 void CardButton::SetPlacement(UINT xJustify, UINT yJustify, int xAdjust, int yAdjust)
 440 {
 441     xadjust = xAdjust;
 442     yadjust = yAdjust;
 443     xjustify = xJustify;
 444     yjustify = yJustify;
 445 }
 446
 447 void CardButton::SetIcon(HICON hicon, bool fRedraw)
 448 {
 449     hIcon = hicon;
 450
 451     if(fRedraw)
 452         Redraw();
 453 }
 454
 455 void CardButton::SetFont(HFONT font)
 456 {
 457     //don't delete the existing font..
 458     hFont = font;
 459 }
 460
 461 void CardButton::SetButtonProc(pButtonProc proc)
 462 {
 463     ButtonCallback    = proc;
 464 }
 465
 466 bool CardButton::Lock()
 467 {
 468     DWORD dw = WaitForSingleObject(mxlock, 0);
 469
 470     if(dw == WAIT_OBJECT_0)
 471         return true;
 472     else
 473         return false;
 474 }
 475
 476 bool CardButton::UnLock()
 477 {
 478     if(ReleaseMutex(mxlock))
 479         return true;
 480     else
 481         return false;
 482 }
 483
 484 void CardButton::SetStyle(UINT style)
 485 {
 486     uStyle = style;
 487 }
 488
 489 UINT CardButton::GetStyle()
 490 {
 491     return uStyle;
 492 }