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  1. // dialog_changeappearance.cpp
  2.  
  3. #include "../common.h"
  4.  
  5.  
  6. // dialog template
  7. #define THIS_DIALOG DIALOG_CHANGEAPPEARANCE
  8.  
  9.  
  10. // global variables
  11. static wchar_t ofn_customfilter[256] = L"";
  12.  
  13.  
  14. // prototypes of local functions
  15. static void StartThread_ThisDialog (void *thread_parms);
  16. static int CALLBACK DialogProc_ThisDialog (HWND hWnd, unsigned int message, WPARAM wParam, LPARAM lParam);
  17. static void StartThread_DialogBoxLoad (void *thread_parms);
  18.  
  19.  
  20. void DialogBox_ChangeAppearance (void)
  21. {
  22.    // helper function to fire up the modeless dialog box
  23.  
  24.    is_dialogbox_displayed = true;
  25.    _beginthread (StartThread_ThisDialog, 0, NULL); // fire up a new one
  26.  
  27.    return; // return as soon as the thread is fired up
  28. }
  29.  
  30.  
  31. void DialogBox_ChangeAppearance_Validated (void)
  32. {
  33.    // callback function called by the main game thread when the dialog box is validated
  34.  
  35.    // remember this callback is no longer to be called
  36.    is_dialogbox_changeappearance_validated = false;
  37.  
  38.    return; // finished
  39. }
  40.  
  41.  
  42. static void StartThread_ThisDialog (void *thread_parms)
  43. {
  44.    // this function runs in a separate thread, for that's the only way (seemingly)
  45.    // to implement a non-modal message box using the Common Controls library.
  46.  
  47.    // display the dialog box
  48.    if (DialogBox (hAppInstance, MAKEINTRESOURCE (THIS_DIALOG), hMainWnd, DialogProc_ThisDialog) == 1)
  49.       is_dialogbox_changeappearance_validated = true;
  50.    is_dialogbox_displayed = false;
  51.  
  52.    the_board.reevaluate = true; // refresh the GUI buttons if needed
  53.    return; // _endthread() implied
  54. }
  55.  
  56.  
  57. static int CALLBACK DialogProc_ThisDialog (HWND hWnd, unsigned int message, WPARAM wParam, LPARAM lParam)
  58. {
  59.    // message handler for the dialog box
  60.  
  61.    unsigned short wParam_hiword;
  62.    unsigned short wParam_loword;
  63.    HWND hComboBoxWnd;
  64.    int theme_index;
  65.  
  66.    // filter out the commonly used message values
  67.    wParam_hiword = HIWORD (wParam);
  68.    wParam_loword = LOWORD (wParam);
  69.  
  70.    // have we just fired up this window ?
  71.    if (message == WM_INITDIALOG)
  72.    {
  73.       // center the window
  74.       CenterWindow (hWnd, hMainWnd);
  75.  
  76.       // set dialog icons (small one for title bar & big one for task manager)
  77.       SendMessage (hWnd, WM_SETICON, ICON_SMALL, (LPARAM) LoadIcon (hAppInstance, MAKEINTRESOURCE (ICON_MAIN)));
  78.       SendMessage (hWnd, WM_SETICON, ICON_BIG, (LPARAM) LoadIcon (hAppInstance, MAKEINTRESOURCE (ICON_MAIN)));
  79.  
  80.       // set window title and control texts
  81.       SetWindowText (hWnd, LOCALIZE (L"ChangeAppearance_Title"));
  82.       Static_SetText (GetDlgItem (hWnd, GROUPBOX_TABLESKIN), LOCALIZE (L"ChangeAppearance_TableSkin"));
  83.       Static_SetText (GetDlgItem (hWnd, STATICTEXT_CHANGEAPPEARANCE_THEMEINFO), (theme->description != NULL ? theme->description : L""));
  84.       SetWindowText (GetDlgItem (hWnd, CHECKBOX_CHANGEAPPEARANCE_SHOWGRID), LOCALIZE (L"ChangeAppearance_ShowGrid"));
  85.       SetWindowText (GetDlgItem (hWnd, CHECKBOX_CHANGEAPPEARANCE_SHOWICONSRATHER), LOCALIZE (L"ChangeAppearance_ShowIconsRather"));
  86.       SetWindowText (GetDlgItem (hWnd, CHECKBOX_CHANGEAPPEARANCE_CUSTOMBACKGROUND), LOCALIZE (L"ChangeAppearance_CustomPicture"));
  87.       SetWindowText (GetDlgItem (hWnd, BUTTON_BROWSE), LOCALIZE (L"Button_Browse"));
  88.       Static_SetText (GetDlgItem (hWnd, STATICTEXT_CHANGEAPPEARANCE_STATUSBAR), LOCALIZE (L"ChangeAppearance_StatusBar"));
  89.  
  90.       // get a quick access to the themes combo box
  91.       hComboBoxWnd = GetDlgItem (hWnd, COMBOBOX_THEMES);
  92.  
  93.       // populate the themes combo box
  94.       ComboBox_ResetContent (hComboBoxWnd);
  95.       for (theme_index = 0; theme_index < theme_count; theme_index++)
  96.          ComboBox_AddString (hComboBoxWnd, themes[theme_index].name);
  97.  
  98.       // cycle through all the themes now...
  99.       for (theme_index = 0; theme_index < theme_count; theme_index++)
  100.          if (_wcsicmp (themes[theme_index].name, theme->name) == 0)
  101.          {
  102.             ComboBox_SetCurSel (hComboBoxWnd, theme_index); // put the selection back
  103.             break; // and stop searching as soon as we've found it again
  104.          }
  105.  
  106.       // initialize the checkboxes
  107.       Button_SetCheck (GetDlgItem (hWnd, CHECKBOX_CHANGEAPPEARANCE_SHOWGRID), (want_grid ? BST_CHECKED : BST_UNCHECKED));
  108.       Button_SetCheck (GetDlgItem (hWnd, CHECKBOX_CHANGEAPPEARANCE_SHOWICONSRATHER), (want_flaticons ? BST_CHECKED : BST_UNCHECKED));
  109.       Button_SetCheck (GetDlgItem (hWnd, CHECKBOX_CHANGEAPPEARANCE_CUSTOMBACKGROUND), (want_custombackground ? BST_CHECKED : BST_UNCHECKED));
  110.  
  111.       // enable or disable the browse button based on whether we want a custom background or not
  112.       EnableWindow (GetDlgItem (hWnd, BUTTON_BROWSE), want_custombackground);
  113.    }
  114.  
  115.    // else did we click the close button on the title bar ?
  116.    else if (message == WM_CLOSE)
  117.       EndDialog (hWnd, 0); // close the dialog box
  118.  
  119.    // else did we take action on one of the controls ?
  120.    else if (message == WM_COMMAND)
  121.    {
  122.       // did we cancel the dialog box ? (IDCANCEL is a system-wide dialog box handler value, that catches the ESC key)
  123.       if (wParam_loword == IDCANCEL)
  124.          EndDialog (hWnd, 0); // close the dialog box
  125.  
  126.       // else given the control that's clicked, update the relevant skin
  127.       else if ((wParam_loword == COMBOBOX_THEMES) && (wParam_hiword == CBN_SELCHANGE))
  128.       {
  129.          theme_index = ComboBox_GetCurSel (GetDlgItem (hWnd, COMBOBOX_THEMES));
  130.          if ((theme_index >= 0) && (theme_index < theme_count))
  131.          {
  132.             while (!themes[theme_index].is_loaded)
  133.                Sleep (100); // wait until theme is fully loaded
  134.             theme = &themes[theme_index]; // update the selected theme (WARNING: race condition ?)
  135.  
  136.             // update the theme info text
  137.             Static_SetText (GetDlgItem (hWnd, STATICTEXT_CHANGEAPPEARANCE_THEMEINFO), (theme->description != NULL ? theme->description : L""));
  138.          }
  139.          the_scene.update = true; // redraw scene
  140.       }
  141.       else if (wParam_loword == CHECKBOX_CHANGEAPPEARANCE_SHOWGRID)
  142.       {
  143.          want_grid = (Button_GetCheck (GetDlgItem (hWnd, CHECKBOX_CHANGEAPPEARANCE_SHOWGRID)) != 0);
  144.          the_scene.update = true; // redraw scene
  145.       }
  146.       else if (wParam_loword == CHECKBOX_CHANGEAPPEARANCE_SHOWICONSRATHER)
  147.       {
  148.          want_flaticons = (Button_GetCheck (GetDlgItem (hWnd, CHECKBOX_CHANGEAPPEARANCE_SHOWICONSRATHER)) != 0);
  149.          the_scene.update = true; // redraw scene
  150.       }
  151.       else if (wParam_loword == CHECKBOX_CHANGEAPPEARANCE_CUSTOMBACKGROUND)
  152.       {
  153.          want_custombackground = (Button_GetCheck (GetDlgItem (hWnd, CHECKBOX_CHANGEAPPEARANCE_CUSTOMBACKGROUND)) != 0);
  154.          EnableWindow (GetDlgItem (hWnd, BUTTON_BROWSE), want_custombackground);
  155.          the_scene.update = true; // redraw scene
  156.       }
  157.  
  158.       // else did we click the browse button ?
  159.       else if (wParam_loword == BUTTON_BROWSE)
  160.          _beginthread (StartThread_DialogBoxLoad, 0, (void *) hWnd); // fire up the load dialog box thread
  161.    }
  162.  
  163.    // call the default dialog message processing function to keep things going
  164.    return (false);
  165. }
  166.  
  167.  
  168. static void StartThread_DialogBoxLoad (void *thread_parms)
  169. {
  170.    // this function runs in a separate thread, for that's the only way (seemingly)
  171.    // to implement a non-modal Open dialog box using the Common Controls library.
  172.  
  173.    OPENFILENAME ofn;
  174.  
  175.    // reset and prepare the open file name structure
  176.    memset (&ofn, 0, sizeof (ofn));
  177.    ofn.lStructSize = sizeof (ofn);
  178.    ofn.hwndOwner = (HWND) thread_parms;
  179.    ofn.lpstrFilter = LOCALIZE (L"ImageFileFilter");
  180.    ofn.lpstrDefExt = L"jpg"; // default extension
  181.    ofn.lpstrCustomFilter = ofn_customfilter;
  182.    ofn.nMaxCustFilter = WCHAR_SIZEOF (ofn_customfilter);
  183.    ofn.nFilterIndex = 1; // first filter (list is 1-based)
  184.    ofn.lpstrFile = custombackground_pathname;
  185.    ofn.nMaxFile = WCHAR_SIZEOF (custombackground_pathname);
  186.    ofn.Flags = OFN_ENABLESIZING | OFN_EXPLORER | OFN_HIDEREADONLY | OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST;
  187.  
  188.    // display the dialog box and get the file name
  189.    if (GetOpenFileName (&ofn))
  190.       Background_LoadImage (&custombg, custombackground_pathname);
  191.  
  192.    the_scene.update = true; // redraw scene
  193.    return; // _endthread() implied
  194. }
  195.