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         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         hwndTheme = GetDlgItem(hwndDlg, IDC_APPEARANCE_VISUAL_STYLE);
 146
 147         for (pTheme = g->pThemes; pTheme; pTheme = pTheme->NextTheme)
 148         {
 149             iListIndex = SendMessage(hwndTheme, CB_ADDSTRING, 0, (LPARAM)pTheme->DisplayName);
 150             SendMessage(hwndTheme, CB_SETITEMDATA, iListIndex, (LPARAM)pTheme);
 151             if (pTheme == g->ActiveTheme.Theme)
 152             {
 153                 SendMessage(hwndTheme, CB_SETCURSEL, (WPARAM)iListIndex, 0);
 154             }
 155         }
 156
 157         if (g->ActiveTheme.Theme)
 158         {
 159             AppearancePage_ShowColorSchemes(hwndDlg, g);
 160             AppearancePage_ShowSizes(hwndDlg, g);
 161             AppearancePage_UpdateThemePreview(hwndDlg, g);
 162         }
 163     }
 164     g->bInitializing = FALSE;
 165
 166     return FALSE;
 167 }
 168
 169 static VOID
 170 AppearancePage_OnDestroy(HWND hwndDlg, GLOBALS *g)
 171 {
 172     HeapFree(GetProcessHeap(), 0, g);
 173 }
 174
 175 static PVOID
 176 GetSelectedData(HWND hwndDlg, int nIDDlgItem)
 177 {
 178     HWND hwndCombo;
 179     INT sel;
 180
 181     hwndCombo = GetDlgItem(hwndDlg, nIDDlgItem);
 182     sel = SendMessage(hwndCombo, CB_GETCURSEL, 0, 0);
 183     if (sel == CB_ERR)
 184         return NULL;
 185     return (PVOID)SendMessage(hwndCombo, CB_GETITEMDATA, (WPARAM)sel, 0);
 186 }
 187
 188 INT_PTR CALLBACK
 189 AppearancePageProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
 190 {
 191     GLOBALS *g;
 192     LPNMHDR lpnm;
 193
 194     g = (GLOBALS*)GetWindowLongPtr(hwndDlg, DWLP_USER);
 195
 196     switch (uMsg)
 197     {
 198         case WM_INITDIALOG:
 199             return AppearancePage_OnInit(hwndDlg);
 200
 201         case WM_DESTROY:
 202             AppearancePage_OnDestroy(hwndDlg, g);
 203             break;
 204
 205         case WM_COMMAND:
 206             if(g == NULL || g->bInitializing)
 207                 return FALSE;
 208
 209             switch (LOWORD(wParam))
 210             {
 211                 case IDC_APPEARANCE_EFFECTS:
 212                     if (DialogBoxParam(hApplet, MAKEINTRESOURCE(IDD_EFFAPPEARANCE),
 213                                        hwndDlg, EffAppearanceDlgProc, (LPARAM)g) == IDOK)
 214                     {
 215                         PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
 216                         g->Scheme = g->SchemeAdv;
 217                         g->bSchemeChanged = TRUE;
 218                     }
 219                     break;
 220
 221                 case IDC_APPEARANCE_ADVANCED:
 222                     if (DialogBoxParam(hApplet, MAKEINTRESOURCE(IDD_ADVAPPEARANCE),
 223                                        hwndDlg, AdvAppearanceDlgProc, (LPARAM)g) == IDOK)
 224                     {
 225                         PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
 226                         g->bSchemeChanged = TRUE;
 227                         g->Scheme = g->SchemeAdv;
 228                         g_GlobalData.desktop_color = g->Scheme.crColor[COLOR_DESKTOP];
 229
 230                         AppearancePage_UpdateThemePreview(hwndDlg, g);
 231                     }
 232                     break;
 233
 234                 case IDC_APPEARANCE_COLORSCHEME:
 235                     if (HIWORD(wParam) == CBN_SELCHANGE)
 236                     {
 237                         g->ActiveTheme.Color = (PTHEME_STYLE)GetSelectedData(hwndDlg, IDC_APPEARANCE_COLORSCHEME);
 238                         if (g->ActiveTheme.Color->ChildStyle != NULL)
 239                             g->ActiveTheme.Size = g->ActiveTheme.Color->ChildStyle;
 240
 241                         g->bSchemeChanged = TRUE;
 242                         if (g->ActiveTheme.ThemeActive)
 243                             g->bThemeChanged = TRUE;
 244
 245                         PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
 246
 247                         AppearancePage_LoadSelectedScheme(hwndDlg, g);
 248                         AppearancePage_ShowSizes(hwndDlg, g);
 249                         AppearancePage_UpdateThemePreview(hwndDlg, g);
 250                     }
 251                     break;
 252
 253                 case IDC_APPEARANCE_VISUAL_STYLE:
 254                     if (HIWORD(wParam) == CBN_SELCHANGE)
 255                     {
 256                         PTHEME pTheme  = (PTHEME)GetSelectedData(hwndDlg, IDC_APPEARANCE_VISUAL_STYLE);
 257
 258                         if (g->ClassicTheme.Theme == pTheme)
 259                             g->ActiveTheme = g->ClassicTheme;
 260                         else
 261                         {
 262                             g->ActiveTheme.Theme = pTheme;
 263                             g->ActiveTheme.Size = pTheme->SizesList;
 264                             g->ActiveTheme.Color = pTheme->ColoursList;
 265                             g->ActiveTheme.ThemeActive = TRUE;
 266                         }
 267
 268                         g->bThemeChanged = TRUE;
 269                         g->bSchemeChanged = TRUE;
 270
 271                         PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
 272
 273                         AppearancePage_ShowColorSchemes(hwndDlg, g);
 274                         AppearancePage_ShowSizes(hwndDlg, g);
 275                         AppearancePage_LoadSelectedScheme(hwndDlg, g);
 276                         AppearancePage_UpdateThemePreview(hwndDlg, g);
 277                     }
 278                     break;
 279
 280                 case IDC_APPEARANCE_SIZE:
 281                     if (HIWORD(wParam) == CBN_SELCHANGE)
 282                     {
 283                         g->ActiveTheme.Size = (PTHEME_STYLE)GetSelectedData(hwndDlg, IDC_APPEARANCE_SIZE);
 284                         g->bSchemeChanged = TRUE;
 285                         if(g->ActiveTheme.ThemeActive)
 286                             g->bThemeChanged = TRUE;
 287
 288                         PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
 289
 290                         AppearancePage_LoadSelectedScheme(hwndDlg, g);
 291                         AppearancePage_UpdateThemePreview(hwndDlg, g);
 292                     }
 293             }
 294             break;
 295
 296         case WM_NOTIFY:
 297             lpnm = (LPNMHDR)lParam;
 298             switch (lpnm->code)
 299             {
 300                 case PSN_APPLY:
 301
 302                     if (g->bThemeChanged)
 303                     {
 304                         ActivateTheme(&g->ActiveTheme);
 305                     }
 306
 307                     if (g->bSchemeChanged)
 308                     {
 309                         ApplyScheme(&g->Scheme, &g->ActiveTheme);
 310                         if (g->ActiveTheme.ThemeActive == FALSE)
 311                             g->ClassicTheme = g->ActiveTheme;
 312                     }
 313
 314                     AppearancePage_UpdateThemePreview(hwndDlg, g);
 315                     g->bThemeChanged = FALSE;
 316                     g->bSchemeChanged = FALSE;
 317                     SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, (LONG_PTR)PSNRET_NOERROR);
 318                     return TRUE;
 319
 320                 case PSN_KILLACTIVE:
 321                     SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, (LONG_PTR)FALSE);
 322                     return TRUE;
 323
 324                 case PSN_SETACTIVE:
 325                     if (g->Scheme.crColor[COLOR_DESKTOP] != g_GlobalData.desktop_color)
 326                     {
 327                         g->Scheme.crColor[COLOR_DESKTOP] = g_GlobalData.desktop_color;
 328                         AppearancePage_UpdateThemePreview(hwndDlg, g);
 329                     }
 330                     break;
 331             }
 332             break;
 333     }
 334
 335     return FALSE;
 336 }