dll/cpl/desk/appearance.c

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS Display Control Panel
   4  * FILE:            dll/cpl/desk/appearance.c
   5  * PURPOSE:         Appearance property page
   6  *
   7  * PROGRAMMERS:     Trevor McCort (lycan359@gmail.com)
   8  *                  Timo Kreuzer (timo[dot]kreuzer[at]web[dot]de)
   9  */
  10
  11 #include "desk.h"
  12
  13 /******************************************************************************/
  14
  15 static void
  16 AppearancePage_UpdateThemePreview(HWND hwndDlg, GLOBALS *g)
  17 {
  18     if (g->ActiveTheme.ThemeActive)
  19     {
  20         RECT rcWindow;
  21
  22         GetClientRect(GetDlgItem(hwndDlg, IDC_APPEARANCE_PREVIEW), &rcWindow);
  23         if (DrawThemePreview(g->hdcThemePreview, &g->Scheme, &g->ActiveTheme, &rcWindow))
  24         {
  25             SendDlgItemMessage(hwndDlg, IDC_APPEARANCE_PREVIEW, PVM_SET_HDC_PREVIEW, 0, (LPARAM)g->hdcThemePreview);
  26             return;
  27         }
  28     }
  29
  30     SendDlgItemMessage(hwndDlg, IDC_APPEARANCE_PREVIEW, PVM_UPDATETHEME, 0, (LPARAM)&g->Scheme);
  31     SendDlgItemMessage(hwndDlg, IDC_APPEARANCE_PREVIEW, PVM_SET_HDC_PREVIEW, 0, 0);
  32 }
  33
  34 static void
  35 AppearancePage_LoadSelectedScheme(HWND hwndDlg, GLOBALS *g)
  36 {
  37     if (g->ActiveTheme.ThemeActive == FALSE )
  38     {
  39         LoadSchemeFromReg(&g->Scheme, &g->ActiveTheme);
  40     }
  41     else
  42     {
  43         LoadSchemeFromTheme(&g->Scheme, &g->ActiveTheme);
  44     }
  45
  46     g_GlobalData.desktop_color = g->Scheme.crColor[COLOR_DESKTOP];
  47 }
  48
  49 static void
  50 AppearancePage_ShowStyles(HWND hwndDlg, int nIDDlgItem, PTHEME_STYLE pStyles, PTHEME_STYLE pActiveStyle)
  51 {
  52     int iListIndex;
  53     HWND hwndList = GetDlgItem(hwndDlg, nIDDlgItem);
  54     PTHEME_STYLE pCurrentStyle;
  55
  56     SendMessage(hwndList, CB_RESETCONTENT , 0, 0);
  57
  58     for (pCurrentStyle = pStyles;
  59          pCurrentStyle;
  60          pCurrentStyle = pCurrentStyle->NextStyle)
  61     {
  62         iListIndex = SendMessage(hwndList, CB_ADDSTRING, 0, (LPARAM)pCurrentStyle->DisplayName);
  63         SendMessage(hwndList, CB_SETITEMDATA, iListIndex, (LPARAM)pCurrentStyle);
  64         if (pCurrentStyle == pActiveStyle)
  65         {
  66             SendMessage(hwndList, CB_SETCURSEL, (WPARAM)iListIndex, 0);
  67         }
  68     }
  69 }
  70
  71 static void
  72 AppearancePage_ShowColorSchemes(HWND hwndDlg, GLOBALS *g)
  73 {
  74     AppearancePage_ShowStyles(hwndDlg,
  75                               IDC_APPEARANCE_COLORSCHEME,
  76                               g->ActiveTheme.Theme->ColoursList,
  77                               g->ActiveTheme.Color);
  78 }
  79
  80 static void
  81 AppearancePage_ShowSizes(HWND hwndDlg, GLOBALS *g)
  82 {
  83     PTHEME_STYLE pSizes;
  84
  85     if (g->ActiveTheme.Theme->SizesList)
  86         pSizes = g->ActiveTheme.Theme->SizesList;
  87     else
  88         pSizes = g->ActiveTheme.Color->ChildStyle;
  89
  90     AppearancePage_ShowStyles(hwndDlg,
  91                               IDC_APPEARANCE_SIZE,
  92                               pSizes,
  93                               g->ActiveTheme.Size);
  94 }
  95
  96 static INT_PTR
  97 AppearancePage_OnInit(HWND hwndDlg)
  98 {
  99     INT iListIndex;
 100     HWND hwndColor, hwndTheme;
 101     GLOBALS *g;
 102     RECT rcPreview;
 103     HDC hdcScreen;
 104     PTHEME pTheme;
 105
 106     g = (GLOBALS*)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(GLOBALS));
 107     if (g == NULL)
 108         return FALSE;
 109
 110     SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)g);
 111
 112     g->bInitializing = TRUE;
 113
 114     if (!LoadCurrentScheme(&g->Scheme))
 115         return FALSE;
 116
 117     g->pThemes = LoadThemes();
 118     if (g->pThemes)
 119     {
 120         if (!GetActiveTheme(g->pThemes, &g->ActiveTheme))
 121             g->ActiveTheme.ThemeActive = FALSE;
 122
 123         /*
 124          * Keep a copy of the selected classic theme in order to select this
 125          * when user selects the classic theme (and not a horrible random theme )
 126          */
 127         if (!GetActiveClassicTheme(g->pThemes, &g->ClassicTheme))
 128         {
 129             g->ClassicTheme.Theme = g->pThemes;
 130             g->ClassicTheme.Color = g->pThemes->ColoursList;
 131             g->ClassicTheme.Size = g->ClassicTheme.Color->ChildStyle;
 132         }
 133
 134         if (g->ActiveTheme.ThemeActive == FALSE)
 135             g->ActiveTheme = g->ClassicTheme;
 136
 137         GetClientRect(GetDlgItem(hwndDlg, IDC_APPEARANCE_PREVIEW), &rcPreview);
 138
 139         hdcScreen = GetDC(NULL);
 140         g->hbmpThemePreview = CreateCompatibleBitmap(hdcScreen, rcPreview.right, rcPreview.bottom);
 141         g->hdcThemePreview = CreateCompatibleDC(hdcScreen);
 142         SelectObject(g->hdcThemePreview, g->hbmpThemePreview);
 143         ReleaseDC(NULL, hdcScreen);
 144
 145         hwndColor = GetDlgItem(hwndDlg, IDC_APPEARANCE_COLORSCHEME);
 146         hwndTheme = GetDlgItem(hwndDlg, IDC_APPEARANCE_VISUAL_STYLE);
 147
 148         for (pTheme = g->pThemes; pTheme; pTheme = pTheme->NextTheme)
 149         {
 150             iListIndex = SendMessage(hwndTheme, CB_ADDSTRING, 0, (LPARAM)pTheme->DisplayName);
 151             SendMessage(hwndTheme, CB_SETITEMDATA, iListIndex, (LPARAM)pTheme);
 152             if (pTheme == g->ActiveTheme.Theme)
 153             {
 154                 SendMessage(hwndTheme, CB_SETCURSEL, (WPARAM)iListIndex, 0);
 155             }
 156         }
 157
 158         if (g->ActiveTheme.Theme)
 159         {
 160             AppearancePage_ShowColorSchemes(hwndDlg, g);
 161             AppearancePage_ShowSizes(hwndDlg, g);
 162             AppearancePage_UpdateThemePreview(hwndDlg, g);
 163         }
 164     }
 165     g->bInitializing = FALSE;
 166
 167     return FALSE;
 168 }
 169
 170 static VOID
 171 AppearancePage_OnDestroy(HWND hwndDlg, GLOBALS *g)
 172 {
 173     HeapFree(GetProcessHeap(), 0, g);
 174 }
 175
 176 static PVOID
 177 GetSelectedData(HWND hwndDlg, int nIDDlgItem)
 178 {
 179     HWND hwndCombo;
 180     INT sel;
 181
 182     hwndCombo = GetDlgItem(hwndDlg, nIDDlgItem);
 183     sel = SendMessage(hwndCombo, CB_GETCURSEL, 0, 0);
 184     if (sel == CB_ERR)
 185         return NULL;
 186     return (PVOID)SendMessage(hwndCombo, CB_GETITEMDATA, (WPARAM)sel, 0);
 187 }
 188
 189 INT_PTR CALLBACK
 190 AppearancePageProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
 191 {
 192     GLOBALS *g;
 193     LPNMHDR lpnm;
 194
 195     g = (GLOBALS*)GetWindowLongPtr(hwndDlg, DWLP_USER);
 196
 197     switch (uMsg)
 198     {
 199         case WM_INITDIALOG:
 200             return AppearancePage_OnInit(hwndDlg);
 201
 202         case WM_DESTROY:
 203             AppearancePage_OnDestroy(hwndDlg, g);
 204             break;
 205
 206         case WM_COMMAND:
 207             if(g == NULL || g->bInitializing)
 208                 return FALSE;
 209
 210             switch (LOWORD(wParam))
 211             {
 212                 case IDC_APPEARANCE_EFFECTS:
 213                     if (DialogBoxParam(hApplet, MAKEINTRESOURCE(IDD_EFFAPPEARANCE),
 214                                        hwndDlg, EffAppearanceDlgProc, (LPARAM)g) == IDOK)
 215                     {
 216                         PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
 217                         g->Scheme = g->SchemeAdv;
 218                         g->bSchemeChanged = TRUE;
 219                     }
 220                     break;
 221
 222                 case IDC_APPEARANCE_ADVANCED:
 223                     if (DialogBoxParam(hApplet, MAKEINTRESOURCE(IDD_ADVAPPEARANCE),
 224                                        hwndDlg, AdvAppearanceDlgProc, (LPARAM)g) == IDOK)
 225                     {
 226                         PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
 227                         g->bSchemeChanged = TRUE;
 228                         g->Scheme = g->SchemeAdv;
 229                         g_GlobalData.desktop_color = g->Scheme.crColor[COLOR_DESKTOP];
 230
 231                         AppearancePage_UpdateThemePreview(hwndDlg, g);
 232                     }
 233                     break;
 234
 235                 case IDC_APPEARANCE_COLORSCHEME:
 236                     if (HIWORD(wParam) == CBN_SELCHANGE)
 237                     {
 238                         g->ActiveTheme.Color = (PTHEME_STYLE)GetSelectedData(hwndDlg, IDC_APPEARANCE_COLORSCHEME);
 239                         if (g->ActiveTheme.Color->ChildStyle != NULL)
 240                             g->ActiveTheme.Size = g->ActiveTheme.Color->ChildStyle;
 241
 242                         g->bSchemeChanged = TRUE;
 243                         if (g->ActiveTheme.ThemeActive)
 244                             g->bThemeChanged = TRUE;
 245
 246                         PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
 247
 248                         AppearancePage_LoadSelectedScheme(hwndDlg, g);
 249                         AppearancePage_ShowSizes(hwndDlg, g);
 250                         AppearancePage_UpdateThemePreview(hwndDlg, g);
 251                     }
 252                     break;
 253
 254                 case IDC_APPEARANCE_VISUAL_STYLE:
 255                     if (HIWORD(wParam) == CBN_SELCHANGE)
 256                     {
 257                         PTHEME pTheme  = (PTHEME)GetSelectedData(hwndDlg, IDC_APPEARANCE_VISUAL_STYLE);
 258
 259                         if (g->ClassicTheme.Theme == pTheme)
 260                             g->ActiveTheme = g->ClassicTheme;
 261                         else
 262                         {
 263                             g->ActiveTheme.Theme = pTheme;
 264                             g->ActiveTheme.Size = pTheme->SizesList;
 265                             g->ActiveTheme.Color = pTheme->ColoursList;
 266                             g->ActiveTheme.ThemeActive = TRUE;
 267                         }
 268
 269                         g->bThemeChanged = TRUE;
 270                         g->bSchemeChanged = TRUE;
 271
 272                         PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
 273
 274                         AppearancePage_ShowColorSchemes(hwndDlg, g);
 275                         AppearancePage_ShowSizes(hwndDlg, g);
 276                         AppearancePage_LoadSelectedScheme(hwndDlg, g);
 277                         AppearancePage_UpdateThemePreview(hwndDlg, g);
 278                     }
 279                     break;
 280
 281                 case IDC_APPEARANCE_SIZE:
 282                     if (HIWORD(wParam) == CBN_SELCHANGE)
 283                     {
 284                         g->ActiveTheme.Size = (PTHEME_STYLE)GetSelectedData(hwndDlg, IDC_APPEARANCE_SIZE);
 285                         g->bSchemeChanged = TRUE;
 286                         if(g->ActiveTheme.ThemeActive)
 287                             g->bThemeChanged = TRUE;
 288
 289                         PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
 290
 291                         AppearancePage_LoadSelectedScheme(hwndDlg, g);
 292                         AppearancePage_UpdateThemePreview(hwndDlg, g);
 293                     }
 294             }
 295             break;
 296
 297         case WM_NOTIFY:
 298             lpnm = (LPNMHDR)lParam;
 299             switch (lpnm->code)
 300             {
 301                 case PSN_APPLY:
 302
 303                     if (g->bThemeChanged)
 304                     {
 305                         ActivateTheme(&g->ActiveTheme);
 306                     }
 307
 308                     if (g->bSchemeChanged)
 309                     {
 310                         ApplyScheme(&g->Scheme, &g->ActiveTheme);
 311                         if (g->ActiveTheme.ThemeActive == FALSE)
 312                             g->ClassicTheme = g->ActiveTheme;
 313                     }
 314
 315                     AppearancePage_UpdateThemePreview(hwndDlg, g);
 316                     g->bThemeChanged = FALSE;
 317                     g->bSchemeChanged = FALSE;
 318                     SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, (LONG_PTR)PSNRET_NOERROR);
 319                     return TRUE;
 320
 321                 case PSN_KILLACTIVE:
 322                     SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, (LONG_PTR)FALSE);
 323                     return TRUE;
 324
 325                 case PSN_SETACTIVE:
 326                     if (g->Scheme.crColor[COLOR_DESKTOP] != g_GlobalData.desktop_color)
 327                     {
 328                         g->Scheme.crColor[COLOR_DESKTOP] = g_GlobalData.desktop_color;
 329                         AppearancePage_UpdateThemePreview(hwndDlg, g);
 330                     }
 331                     break;
 332             }
 333             break;
 334     }
 335
 336     return FALSE;
 337 }