Subversion Repositories Games.Chess Giants

// window_motd.cpp

#include "../common.h"

// window parameters

#define WINDOW_CLASSNAME PROGRAM_NAME L" MOTD WndClass"

#define WINDOW_DEFAULT_WIDTH 720

#define WINDOW_DEFAULT_HEIGHT 600

#define WINDOW_MIN_WIDTH 320

#define WINDOW_MIN_HEIGHT 240

// local definitions

#define WINDOW_EDITBOX_MOTD 1

#define WINDOW_CHECKBOX_SHOWMOTD 2

#define WINDOW_TEXT_STATUSBAR 3

// global variables

static bool is_classregistered = false;

//static HWND hThisWnd = NULL;

#define hThisWnd hMOTDWnd // shared variable

// prototypes of local functions

static LRESULT CALLBACK WindowProc_ThisWindow (HWND hWnd, unsigned int message, WPARAM wParam, LPARAM lParam);

void Window_MOTD (void)

{

   // helper function to fire up the child window

   WNDCLASSEX wc;

   // is the window we want to display already displayed ?

   if (IsWindow (hThisWnd))

      SetForegroundWindow (hThisWnd); // if so, just bring it to front

   // else the way is clear

   else

   {

      // is the window class NOT registered yet ?

      if (!is_classregistered)

      {

         // if so, register the window class once and for all

         memset (&wc, 0, sizeof (wc));

         wc.cbSize = sizeof (wc);

         wc.style = CS_HREDRAW | CS_VREDRAW;

         wc.lpfnWndProc = WindowProc_ThisWindow;

         wc.hInstance = hAppInstance;

         wc.hIcon = LoadIcon (hAppInstance, (wchar_t *) ICON_MAIN);

         wc.hCursor = LoadCursor (NULL, IDC_ARROW);

         wc.hbrBackground = GetSysColorBrush (COLOR_3DFACE);

         wc.lpszClassName = WINDOW_CLASSNAME;

         RegisterClassEx (&wc);

         is_classregistered = true; // remember this window class is registered

      }

      // create the child window

      hThisWnd = CreateWindowEx (WS_EX_CLIENTEDGE, WINDOW_CLASSNAME, LOCALIZE (L"MOTD_Title"), WS_OVERLAPPEDWINDOW,

                                 CW_USEDEFAULT, CW_USEDEFAULT, WINDOW_DEFAULT_WIDTH, WINDOW_DEFAULT_HEIGHT,

                                 NULL, NULL, hAppInstance, NULL);

   }

   return; // return as soon as the thread is fired up

}

void Window_MOTD_Validated (void)

{

   // callback function called by the main game thread when the window is validated

   // remember this callback is no longer to be called

   is_window_motd_validated = false;

   return; // finished

}

static LRESULT CALLBACK WindowProc_ThisWindow (HWND hWnd, unsigned int message, WPARAM wParam, LPARAM lParam)

{

   // message handler for the child window

   static const wchar_t rtf_template_begin[] = L"{\\rtf1\\ansi{\\fonttbl\\f0\\f{Lucida Console};}\\f0\\fs20\\pard\n";

   static const wchar_t rtf_template_end[] = L"\\par\n}\n";

   static wchar_t line_buffer[256];

   unsigned short wParam_hiword;

   unsigned short wParam_loword;

   MINMAXINFO *minmax;

   RECT client_rect;

   wchar_t *rtf_string; // mallocated

   wchar_t *string_pointer;

   int rtf_stringsize;

   // filter out the commonly used message values

   wParam_hiword = HIWORD (wParam);

   wParam_loword = LOWORD (wParam);

   // have we just fired up this window ?

   if (message == WM_CREATE)

   {

      // center the window

      CenterWindow (hWnd, hMainWnd);

      // populate the window

      LoadLibrary (L"riched32.dll"); // ensure the RichEdit controls DLL is loaded

      CreateWindowEx (0, L"RichEdit20A", L"", // for some reason, only the ANSI version of this control accepts RTF data :(

                      WS_CHILD | WS_VISIBLE | WS_VSCROLL | WS_HSCROLL | ES_MULTILINE | ES_AUTOVSCROLL | ES_AUTOHSCROLL | ES_READONLY | ES_SELECTIONBAR | ES_SUNKEN,

                      0, 0, 0, 0, hWnd, (HMENU) WINDOW_EDITBOX_MOTD, hAppInstance, NULL);

      CreateWindowEx (0, L"button", L"",

                      BS_AUTOCHECKBOX | WS_CHILD | WS_VISIBLE,

                      0, 0, 0, 0, hWnd, (HMENU) WINDOW_CHECKBOX_SHOWMOTD, hAppInstance, NULL);

      CreateWindowEx (WS_EX_RIGHT, L"static", L"",

                      WS_CHILD | WS_VISIBLE,

                      0, 0, 0, 0, hWnd, (HMENU) WINDOW_TEXT_STATUSBAR, hAppInstance, NULL);

      // set the MOTD text

      rtf_stringsize = wcslen (rtf_template_begin) + 2 * wcslen (server_motd) + wcslen (rtf_template_end) + 1;

      rtf_string = (wchar_t *) SAFE_malloc (rtf_stringsize, sizeof (wchar_t), false);

      wcscpy_s (rtf_string, rtf_stringsize, rtf_template_begin);

      string_pointer = server_motd; // start reading MOTD line per line

      while ((string_pointer = wcsgets (line_buffer, WCHAR_SIZEOF (line_buffer), string_pointer)) != NULL)

      {

         wcscat_s (line_buffer, WCHAR_SIZEOF (line_buffer), L"\\line\n"); // append a RTF linebreak to each line

         wcscat_s (rtf_string, rtf_stringsize, line_buffer); // and append each line to the translated MOTD buffer

      }

      wcscat_s (rtf_string, rtf_stringsize, rtf_template_end);

      SendMessage (GetDlgItem (hWnd, WINDOW_EDITBOX_MOTD), EM_SETBKGNDCOLOR, 0, RGB (224, 224, 224));

      SetWindowText (GetDlgItem (hWnd, WINDOW_EDITBOX_MOTD), rtf_string);

      SAFE_free ((void **) &rtf_string);

      // associate the default GUI font with the check box, set its text and check/uncheck it if needed

      SendMessage (GetDlgItem (hWnd, WINDOW_CHECKBOX_SHOWMOTD), WM_SETFONT, (WPARAM) GetStockObject (DEFAULT_GUI_FONT), false);

      SetWindowText (GetDlgItem (hWnd, WINDOW_CHECKBOX_SHOWMOTD), LOCALIZE (L"MOTD_ShowMOTD"));

      Button_SetCheck (GetDlgItem (hWnd, WINDOW_CHECKBOX_SHOWMOTD), (options.network.want_motdonconnect ? BST_CHECKED : BST_UNCHECKED));

      // associate the default GUI font with the status bar and set its text

      SendMessage (GetDlgItem (hWnd, WINDOW_TEXT_STATUSBAR), WM_SETFONT, (WPARAM) GetStockObject (DEFAULT_GUI_FONT), false);

      SetWindowText (GetDlgItem (hWnd, WINDOW_TEXT_STATUSBAR), LOCALIZE (L"MOTD_StatusBar"));

      // convert the status bar message to a hyperlink

      ConvertStaticToHyperlink (GetDlgItem (hWnd, WINDOW_TEXT_STATUSBAR));

      // now show the window

      ShowWindow (hWnd, SW_SHOW);

   }

   // else did we click the close button on the title bar ?

   else if (message == WM_CLOSE)

      DestroyWindow (hWnd); // destroy this window

   // else are we destroying this window ?

   else if (message == WM_DESTROY)

   {

      hThisWnd = NULL; // window is closed

      SetForegroundWindow (hMainWnd); // restore focus on the main window

      is_window_motd_validated = true; // remember we closed this window

   }

   // else are we resizing the window ?

   else if (message == WM_SIZE)

   {

      // get the new window size

      GetClientRect (hWnd, &client_rect);

      // position the window elements

      SetWindowPos (GetDlgItem (hWnd, WINDOW_EDITBOX_MOTD), NULL, 16, 16, client_rect.right - 32, client_rect.bottom - 64, SWP_NOZORDER);

      SetWindowPos (GetDlgItem (hWnd, WINDOW_CHECKBOX_SHOWMOTD), NULL, 16, client_rect.bottom - 32, client_rect.right - 32, 16, SWP_NOZORDER);

      SetWindowPos (GetDlgItem (hWnd, WINDOW_TEXT_STATUSBAR), NULL, 0, client_rect.bottom - 16, client_rect.right, 16, SWP_NOZORDER);

   }

   // else are we asking how big/small we can resize ?

   else if (message == WM_GETMINMAXINFO)

   {

      minmax = (MINMAXINFO *) lParam; // get a pointer to the min/max info structure

      minmax->ptMinTrackSize.x = WINDOW_MIN_WIDTH;

      minmax->ptMinTrackSize.y = WINDOW_MIN_HEIGHT;

   }

   // else did we take action on one of the controls ?

   else if (message == WM_COMMAND)

   {

      // was it the show MOTD checkbox ?

      if (wParam_loword == WINDOW_CHECKBOX_SHOWMOTD)

         options.network.want_motdonconnect = (Button_GetCheck (GetDlgItem (hWnd, WINDOW_CHECKBOX_SHOWMOTD)) != 0); // if so, update settings

      // else was it the status bar hyperlink ?

      else if (wParam_loword == WINDOW_TEXT_STATUSBAR)

         ShellExecute (NULL, L"open", PROGRAM_URL, NULL, NULL, SW_MAXIMIZE); // open the donation page in the default browser, maximized

   }

   // call the default window message processing function to keep things going

   return (DefWindowProc (hWnd, message, wParam, lParam));

}