base/applications/paint/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 <windows.h>
  12 #include "globalvar.h"
  13
  14 /* FUNCTIONS ********************************************************/
  15
  16 LRESULT CALLBACK
  17 PalWinProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
  18 {
  19     switch (message)
  20     {
  21         case WM_PAINT:
  22         {
  23             RECT rc = { 0, 0, 31, 32 };
  24             HDC hDC = GetDC(hwnd);
  25             HPEN oldPen;
  26             HBRUSH oldBrush;
  27             int i, a, b;
  28
  29             DefWindowProc(hwnd, message, wParam, lParam);
  30
  31             for(b = 2; b < 30; b++)
  32                 for(a = 2; a < 29; a++)
  33                     if ((a + b) % 2 == 1)
  34                         SetPixel(hDC, a, b, GetSysColor(COLOR_BTNHILIGHT));
  35
  36             DrawEdge(hDC, &rc, EDGE_RAISED, BF_TOPLEFT);
  37             DrawEdge(hDC, &rc, BDR_SUNKENOUTER, BF_TOPLEFT | BF_BOTTOMRIGHT);
  38             SetRect(&rc, 11, 12, 26, 27);
  39             DrawEdge(hDC, &rc, BDR_RAISEDINNER, BF_RECT | BF_MIDDLE);
  40             oldPen = SelectObject(hDC, CreatePen(PS_NULL, 0, 0));
  41             oldBrush = SelectObject(hDC, CreateSolidBrush(bgColor));
  42             Rectangle(hDC, rc.left, rc.top + 2, rc.right - 1, rc.bottom - 1);
  43             DeleteObject(SelectObject(hDC, oldBrush));
  44             SetRect(&rc, 4, 5, 19, 20);
  45             DrawEdge(hDC, &rc, BDR_RAISEDINNER, BF_RECT | BF_MIDDLE);
  46             oldBrush = SelectObject(hDC, CreateSolidBrush(fgColor));
  47             Rectangle(hDC, rc.left + 2, rc.top + 2, rc.right - 1, rc.bottom - 1);
  48             DeleteObject(SelectObject(hDC, oldBrush));
  49             DeleteObject(SelectObject(hDC, oldPen));
  50
  51             for(i = 0; i < 28; i++)
  52             {
  53                 SetRect(&rc, 31 + (i % 14) * 16,
  54                         0 + (i / 14) * 16, 16 + 31 + (i % 14) * 16, 16 + 0 + (i / 14) * 16);
  55                 DrawEdge(hDC, &rc, EDGE_RAISED, BF_TOPLEFT);
  56                 DrawEdge(hDC, &rc, BDR_SUNKENOUTER, BF_RECT);
  57                 oldPen = SelectObject(hDC, CreatePen(PS_NULL, 0, 0));
  58                 oldBrush = SelectObject(hDC, CreateSolidBrush(palColors[i]));
  59                 Rectangle(hDC, rc.left + 2, rc.top + 2, rc.right - 1, rc.bottom - 1);
  60                 DeleteObject(SelectObject(hDC, oldBrush));
  61                 DeleteObject(SelectObject(hDC, oldPen));
  62             }
  63             ReleaseDC(hwnd, hDC);
  64             break;
  65         }
  66         case WM_LBUTTONDOWN:
  67             if (LOWORD(lParam) >= 31)
  68             {
  69                 fgColor = palColors[(LOWORD(lParam) - 31) / 16 + (HIWORD(lParam) / 16) * 14];
  70                 SendMessage(hwnd, WM_PAINT, 0, 0);
  71             }
  72             break;
  73         case WM_RBUTTONDOWN:
  74             if (LOWORD(lParam) >= 31)
  75             {
  76                 bgColor = palColors[(LOWORD(lParam) - 31) / 16 + (HIWORD(lParam) / 16) * 14];
  77                 SendMessage(hwnd, WM_PAINT, 0, 0);
  78             }
  79             break;
  80         case WM_LBUTTONDBLCLK:
  81             if (LOWORD(lParam) >= 31)
  82                 if (ChooseColor(&choosecolor))
  83                 {
  84                     palColors[(LOWORD(lParam) - 31) / 16 + (HIWORD(lParam) / 16) * 14] =
  85                         choosecolor.rgbResult;
  86                     fgColor = choosecolor.rgbResult;
  87                     SendMessage(hwnd, WM_PAINT, 0, 0);
  88                 }
  89             break;
  90         case WM_RBUTTONDBLCLK:
  91             if (LOWORD(lParam) >= 31)
  92                 if (ChooseColor(&choosecolor))
  93                 {
  94                     palColors[(LOWORD(lParam) - 31) / 16 + (HIWORD(lParam) / 16) * 14] =
  95                         choosecolor.rgbResult;
  96                     bgColor = choosecolor.rgbResult;
  97                     SendMessage(hwnd, WM_PAINT, 0, 0);
  98                 }
  99             break;
 100
 101         default:
 102             return DefWindowProc(hwnd, message, wParam, lParam);
 103     }
 104
 105     return 0;
 106 }