reactos/base/applications/mspaint_new/palette.c

   1 /*
   2  * PROJECT:     PAINT for ReactOS
   3  * LICENSE:     LGPL
   4  * FILE:        base/applications/paint/palette.c
   5  * PURPOSE:     Window procedure of the palette window
   6  * PROGRAMMERS: Benedikt Freisen
   7  */
   8
   9 /* INCLUDES *********************************************************/
  10
  11 #include "precomp.h"
  12 #include "palette.h"
  13
  14 /* FUNCTIONS ********************************************************/
  15
  16 void
  17 RegisterWclPal()
  18 {
  19     WNDCLASSEX wclPal;
  20     /* initializing and registering the window class used for the palette window */
  21     wclPal.hInstance        = hProgInstance;
  22     wclPal.lpszClassName    = _T("Palette");
  23     wclPal.lpfnWndProc      = PalWinProc;
  24     wclPal.style            = CS_DBLCLKS;
  25     wclPal.cbSize           = sizeof(WNDCLASSEX);
  26     wclPal.hIcon            = NULL;
  27     wclPal.hIconSm          = NULL;
  28     wclPal.hCursor          = LoadCursor(NULL, IDC_ARROW);
  29     wclPal.lpszMenuName     = NULL;
  30     wclPal.cbClsExtra       = 0;
  31     wclPal.cbWndExtra       = 0;
  32     wclPal.hbrBackground    = GetSysColorBrush(COLOR_BTNFACE);
  33     RegisterClassEx (&wclPal);
  34 }
  35
  36 LRESULT CALLBACK
  37 PalWinProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
  38 {
  39     switch (message)
  40     {
  41         case WM_PAINT:
  42         {
  43             RECT rc = { 0, 0, 31, 32 };
  44             HDC hDC = GetDC(hwnd);
  45             HPEN oldPen;
  46             HBRUSH oldBrush;
  47             int i, a, b;
  48
  49             DefWindowProc(hwnd, message, wParam, lParam);
  50
  51             for(b = 2; b < 30; b++)
  52                 for(a = 2; a < 29; a++)
  53                     if ((a + b) % 2 == 1)
  54                         SetPixel(hDC, a, b, GetSysColor(COLOR_BTNHILIGHT));
  55
  56             DrawEdge(hDC, &rc, EDGE_RAISED, BF_TOPLEFT);
  57             DrawEdge(hDC, &rc, BDR_SUNKENOUTER, BF_TOPLEFT | BF_BOTTOMRIGHT);
  58             SetRect(&rc, 11, 12, 26, 27);
  59             DrawEdge(hDC, &rc, BDR_RAISEDINNER, BF_RECT | BF_MIDDLE);
  60             oldPen = SelectObject(hDC, CreatePen(PS_NULL, 0, 0));
  61             oldBrush = SelectObject(hDC, CreateSolidBrush(bgColor));
  62             Rectangle(hDC, rc.left, rc.top + 2, rc.right - 1, rc.bottom - 1);
  63             DeleteObject(SelectObject(hDC, oldBrush));
  64             SetRect(&rc, 4, 5, 19, 20);
  65             DrawEdge(hDC, &rc, BDR_RAISEDINNER, BF_RECT | BF_MIDDLE);
  66             oldBrush = SelectObject(hDC, CreateSolidBrush(fgColor));
  67             Rectangle(hDC, rc.left + 2, rc.top + 2, rc.right - 1, rc.bottom - 1);
  68             DeleteObject(SelectObject(hDC, oldBrush));
  69             DeleteObject(SelectObject(hDC, oldPen));
  70
  71             for(i = 0; i < 28; i++)
  72             {
  73                 SetRect(&rc, 31 + (i % 14) * 16,
  74                         0 + (i / 14) * 16, 16 + 31 + (i % 14) * 16, 16 + 0 + (i / 14) * 16);
  75                 DrawEdge(hDC, &rc, EDGE_RAISED, BF_TOPLEFT);
  76                 DrawEdge(hDC, &rc, BDR_SUNKENOUTER, BF_RECT);
  77                 oldPen = SelectObject(hDC, CreatePen(PS_NULL, 0, 0));
  78                 oldBrush = SelectObject(hDC, CreateSolidBrush(palColors[i]));
  79                 Rectangle(hDC, rc.left + 2, rc.top + 2, rc.right - 1, rc.bottom - 1);
  80                 DeleteObject(SelectObject(hDC, oldBrush));
  81                 DeleteObject(SelectObject(hDC, oldPen));
  82             }
  83             ReleaseDC(hwnd, hDC);
  84             break;
  85         }
  86         case WM_LBUTTONDOWN:
  87             if (GET_X_LPARAM(lParam) >= 31)
  88             {
  89                 fgColor = palColors[(GET_X_LPARAM(lParam) - 31) / 16 + (GET_Y_LPARAM(lParam) / 16) * 14];
  90                 InvalidateRect(hwnd, NULL, FALSE);
  91                 if (activeTool == 10)
  92                     ForceRefreshSelectionContents();
  93             }
  94             break;
  95         case WM_RBUTTONDOWN:
  96             if (GET_X_LPARAM(lParam) >= 31)
  97             {
  98                 bgColor = palColors[(GET_X_LPARAM(lParam) - 31) / 16 + (GET_Y_LPARAM(lParam) / 16) * 14];
  99                 InvalidateRect(hwnd, NULL, FALSE);
 100                 if (activeTool == 10)
 101                     ForceRefreshSelectionContents();
 102             }
 103             break;
 104         case WM_LBUTTONDBLCLK:
 105             if (GET_X_LPARAM(lParam) >= 31)
 106                 if (ChooseColor(&choosecolor))
 107                 {
 108                     palColors[(GET_X_LPARAM(lParam) - 31) / 16 + (GET_Y_LPARAM(lParam) / 16) * 14] =
 109                         choosecolor.rgbResult;
 110                     fgColor = choosecolor.rgbResult;
 111                     InvalidateRect(hwnd, NULL, FALSE);
 112                     if (activeTool == 10)
 113                         ForceRefreshSelectionContents();
 114                 }
 115             break;
 116         case WM_RBUTTONDBLCLK:
 117             if (GET_X_LPARAM(lParam) >= 31)
 118                 if (ChooseColor(&choosecolor))
 119                 {
 120                     palColors[(GET_X_LPARAM(lParam) - 31) / 16 + (GET_Y_LPARAM(lParam) / 16) * 14] =
 121                         choosecolor.rgbResult;
 122                     bgColor = choosecolor.rgbResult;
 123                     InvalidateRect(hwnd, NULL, FALSE);
 124                     if (activeTool == 10)
 125                         ForceRefreshSelectionContents();
 126                 }
 127             break;
 128
 129         default:
 130             return DefWindowProc(hwnd, message, wParam, lParam);
 131     }
 132
 133     return 0;
 134 }