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 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         BOOL bLoadedTheme = FALSE;
 121
 122         if (g_GlobalData.pwszAction &&
 123             g_GlobalData.pwszFile &&
 124             wcscmp(g_GlobalData.pwszAction, L"OpenMSTheme") == 0)
 125         {
 126             bLoadedTheme = FindOrAppendTheme(g->pThemes,
 127                                              g_GlobalData.pwszFile,
 128                                              NULL,
 129                                              NULL,
 130                                              &g->ActiveTheme);
 131         }
 132
 133         if (bLoadedTheme)
 134         {
 135             g->bThemeChanged = TRUE;
 136             g->bSchemeChanged = TRUE;
 137
 138             PostMessageW(GetParent(hwndDlg), PSM_CHANGED, (WPARAM)hwndDlg, 0);
 139
 140             AppearancePage_LoadSelectedScheme(hwndDlg, g);
 141         }
 142         else
 143         {
 144             if (!GetActiveTheme(g->pThemes, &g->ActiveTheme))
 145             {
 146                 g->ActiveTheme.ThemeActive = FALSE;
 147             }
 148         }
 149
 150         /*
 151          * Keep a copy of the selected classic theme in order to select this
 152          * when user selects the classic theme (and not a horrible random theme )
 153          */
 154         if (!GetActiveClassicTheme(g->pThemes, &g->ClassicTheme))
 155         {
 156             g->ClassicTheme.Theme = g->pThemes;
 157             g->ClassicTheme.Color = g->pThemes->ColoursList;
 158             g->ClassicTheme.Size = g->ClassicTheme.Color->ChildStyle;
 159         }
 160
 161         if (g->ActiveTheme.ThemeActive == FALSE)
 162             g->ActiveTheme = g->ClassicTheme;
 163
 164         GetClientRect(GetDlgItem(hwndDlg, IDC_APPEARANCE_PREVIEW), &rcPreview);
 165
 166         hdcScreen = GetDC(NULL);
 167         g->hbmpThemePreview = CreateCompatibleBitmap(hdcScreen, rcPreview.right, rcPreview.bottom);
 168         g->hdcThemePreview = CreateCompatibleDC(hdcScreen);
 169         SelectObject(g->hdcThemePreview, g->hbmpThemePreview);
 170         ReleaseDC(NULL, hdcScreen);
 171
 172         hwndTheme = GetDlgItem(hwndDlg, IDC_APPEARANCE_VISUAL_STYLE);
 173
 174         for (pTheme = g->pThemes; pTheme; pTheme = pTheme->NextTheme)
 175         {
 176             iListIndex = SendMessage(hwndTheme, CB_ADDSTRING, 0, (LPARAM)pTheme->DisplayName);
 177             SendMessage(hwndTheme, CB_SETITEMDATA, iListIndex, (LPARAM)pTheme);
 178             if (pTheme == g->ActiveTheme.Theme)
 179             {
 180                 SendMessage(hwndTheme, CB_SETCURSEL, (WPARAM)iListIndex, 0);
 181             }
 182         }
 183
 184         if (g->ActiveTheme.Theme)
 185         {
 186             AppearancePage_ShowColorSchemes(hwndDlg, g);
 187             AppearancePage_ShowSizes(hwndDlg, g);
 188             AppearancePage_UpdateThemePreview(hwndDlg, g);
 189         }
 190     }
 191     g->bInitializing = FALSE;
 192
 193     return FALSE;
 194 }
 195
 196 static VOID
 197 AppearancePage_OnDestroy(HWND hwndDlg, GLOBALS *g)
 198 {
 199     HeapFree(GetProcessHeap(), 0, g);
 200 }
 201
 202 static PVOID
 203 GetSelectedData(HWND hwndDlg, int nIDDlgItem)
 204 {
 205     HWND hwndCombo;
 206     INT sel;
 207
 208     hwndCombo = GetDlgItem(hwndDlg, nIDDlgItem);
 209     sel = SendMessage(hwndCombo, CB_GETCURSEL, 0, 0);
 210     if (sel == CB_ERR)
 211         return NULL;
 212     return (PVOID)SendMessage(hwndCombo, CB_GETITEMDATA, (WPARAM)sel, 0);
 213 }
 214
 215 INT_PTR CALLBACK
 216 AppearancePageProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
 217 {
 218     GLOBALS *g;
 219     LPNMHDR lpnm;
 220
 221     g = (GLOBALS*)GetWindowLongPtr(hwndDlg, DWLP_USER);
 222
 223     switch (uMsg)
 224     {
 225         case WM_INITDIALOG:
 226             return AppearancePage_OnInit(hwndDlg);
 227
 228         case WM_DESTROY:
 229             AppearancePage_OnDestroy(hwndDlg, g);
 230             break;
 231
 232         case WM_COMMAND:
 233             if (g == NULL || g->bInitializing)
 234                 return FALSE;
 235
 236             switch (LOWORD(wParam))
 237             {
 238                 case IDC_APPEARANCE_EFFECTS:
 239                     if (DialogBoxParam(hApplet, MAKEINTRESOURCE(IDD_EFFAPPEARANCE),
 240                                        hwndDlg, EffAppearanceDlgProc, (LPARAM)g) == IDOK)
 241                     {
 242                         PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
 243                         g->Scheme = g->SchemeAdv;
 244                         g->bSchemeChanged = TRUE;
 245                     }
 246                     break;
 247
 248                 case IDC_APPEARANCE_ADVANCED:
 249                     if (DialogBoxParam(hApplet, MAKEINTRESOURCE(IDD_ADVAPPEARANCE),
 250                                        hwndDlg, AdvAppearanceDlgProc, (LPARAM)g) == IDOK)
 251                     {
 252                         PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
 253                         g->bSchemeChanged = TRUE;
 254                         g->Scheme = g->SchemeAdv;
 255                         g_GlobalData.desktop_color = g->Scheme.crColor[COLOR_DESKTOP];
 256
 257                         AppearancePage_UpdateThemePreview(hwndDlg, g);
 258                     }
 259                     break;
 260
 261                 case IDC_APPEARANCE_COLORSCHEME:
 262                     if (HIWORD(wParam) == CBN_SELCHANGE)
 263                     {
 264                         g->ActiveTheme.Color = (PTHEME_STYLE)GetSelectedData(hwndDlg, IDC_APPEARANCE_COLORSCHEME);
 265                         if (g->ActiveTheme.Color->ChildStyle != NULL)
 266                             g->ActiveTheme.Size = g->ActiveTheme.Color->ChildStyle;
 267
 268                         g->bSchemeChanged = TRUE;
 269                         if (g->ActiveTheme.ThemeActive)
 270                             g->bThemeChanged = TRUE;
 271
 272                         PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
 273
 274                         AppearancePage_LoadSelectedScheme(hwndDlg, g);
 275                         AppearancePage_ShowSizes(hwndDlg, g);
 276                         AppearancePage_UpdateThemePreview(hwndDlg, g);
 277                     }
 278                     break;
 279
 280                 case IDC_APPEARANCE_VISUAL_STYLE:
 281                     if (HIWORD(wParam) == CBN_SELCHANGE)
 282                     {
 283                         PTHEME pTheme  = (PTHEME)GetSelectedData(hwndDlg, IDC_APPEARANCE_VISUAL_STYLE);
 284
 285                         if (g->ClassicTheme.Theme == pTheme)
 286                             g->ActiveTheme = g->ClassicTheme;
 287                         else
 288                         {
 289                             g->ActiveTheme.Theme = pTheme;
 290                             g->ActiveTheme.Size = pTheme->SizesList;
 291                             g->ActiveTheme.Color = pTheme->ColoursList;
 292                             g->ActiveTheme.ThemeActive = TRUE;
 293                         }
 294
 295                         g->bThemeChanged = TRUE;
 296                         g->bSchemeChanged = TRUE;
 297
 298                         PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
 299
 300                         AppearancePage_ShowColorSchemes(hwndDlg, g);
 301                         AppearancePage_ShowSizes(hwndDlg, g);
 302                         AppearancePage_LoadSelectedScheme(hwndDlg, g);
 303                         AppearancePage_UpdateThemePreview(hwndDlg, g);
 304                     }
 305                     break;
 306
 307                 case IDC_APPEARANCE_SIZE:
 308                     if (HIWORD(wParam) == CBN_SELCHANGE)
 309                     {
 310                         g->ActiveTheme.Size = (PTHEME_STYLE)GetSelectedData(hwndDlg, IDC_APPEARANCE_SIZE);
 311                         g->bSchemeChanged = TRUE;
 312                         if (g->ActiveTheme.ThemeActive)
 313                             g->bThemeChanged = TRUE;
 314
 315                         PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
 316
 317                         AppearancePage_LoadSelectedScheme(hwndDlg, g);
 318                         AppearancePage_UpdateThemePreview(hwndDlg, g);
 319                     }
 320             }
 321             break;
 322
 323         case WM_NOTIFY:
 324             lpnm = (LPNMHDR)lParam;
 325             switch (lpnm->code)
 326             {
 327                 case PSN_APPLY:
 328
 329                     if (g->bThemeChanged)
 330                     {
 331                         ActivateTheme(&g->ActiveTheme);
 332                     }
 333
 334                     if (g->bSchemeChanged)
 335                     {
 336                         ApplyScheme(&g->Scheme, &g->ActiveTheme);
 337                         if (g->ActiveTheme.ThemeActive == FALSE)
 338                             g->ClassicTheme = g->ActiveTheme;
 339                     }
 340
 341                     AppearancePage_UpdateThemePreview(hwndDlg, g);
 342                     g->bThemeChanged = FALSE;
 343                     g->bSchemeChanged = FALSE;
 344                     SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, (LONG_PTR)PSNRET_NOERROR);
 345                     return TRUE;
 346
 347                 case PSN_KILLACTIVE:
 348                     SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, (LONG_PTR)FALSE);
 349                     return TRUE;
 350
 351                 case PSN_SETACTIVE:
 352                     if (g->Scheme.crColor[COLOR_DESKTOP] != g_GlobalData.desktop_color)
 353                     {
 354                         g->Scheme.crColor[COLOR_DESKTOP] = g_GlobalData.desktop_color;
 355                         AppearancePage_UpdateThemePreview(hwndDlg, g);
 356                     }
 357                     break;
 358             }
 359             break;
 360     }
 361
 362     return FALSE;
 363 }