Subversion Repositories Games.Chess Giants

// dialog_changeappearance.cpp

#include "../common.h"

// dialog template

#define THIS_DIALOG DIALOG_CHANGEAPPEARANCE

// global variables

static wchar_t ofn_customfilter[256] = L"";

// prototypes of local functions

static void StartThread_ThisDialog (void *thread_parms);

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

static void StartThread_DialogBoxLoad (void *thread_parms);

void DialogBox_ChangeAppearance (void)

{

   // helper function to fire up the modeless dialog box

   is_dialogbox_displayed = true;

   _beginthread (StartThread_ThisDialog, 0, NULL); // fire up a new one

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

}

void DialogBox_ChangeAppearance_Validated (void)

{

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

   // remember this callback is no longer to be called

   is_dialogbox_changeappearance_validated = false;

   return; // finished

}

static void StartThread_ThisDialog (void *thread_parms)

{

   // this function runs in a separate thread, for that's the only way (seemingly)

   // to implement a non-modal message box using the Common Controls library.

   // display the dialog box

   if (DialogBox (hAppInstance, MAKEINTRESOURCE (THIS_DIALOG), hMainWnd, DialogProc_ThisDialog) == 1)

      is_dialogbox_changeappearance_validated = true;

   is_dialogbox_displayed = false;

   the_board.reevaluate = true; // refresh the GUI buttons if needed

   return; // _endthread() implied

}

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

{

   // message handler for the dialog box

   unsigned short wParam_hiword;

   unsigned short wParam_loword;

   HWND hComboBoxWnd;

   int selected_index;

   int theme_index;

   // 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_INITDIALOG)

   {

      // center the window

      CenterWindow (hWnd, hMainWnd);

      // set dialog icons (small one for title bar & big one for task manager)

      SendMessage (hWnd, WM_SETICON, ICON_SMALL, (LPARAM) LoadIcon (hAppInstance, MAKEINTRESOURCE (ICON_MAIN)));

      SendMessage (hWnd, WM_SETICON, ICON_BIG, (LPARAM) LoadIcon (hAppInstance, MAKEINTRESOURCE (ICON_MAIN)));

      // set window title and control texts

      SetWindowText (hWnd, LOCALIZE (L"ChangeAppearance_Title"));

      Static_SetText (GetDlgItem (hWnd, GROUPBOX_TABLESKIN), LOCALIZE (L"ChangeAppearance_TableSkin"));

      Static_SetText (GetDlgItem (hWnd, STATICTEXT_CHANGEAPPEARANCE_THEMEINFO), (theme->description != NULL ? theme->description : L""));

      SetWindowText (GetDlgItem (hWnd, CHECKBOX_CHANGEAPPEARANCE_SHOWGRID), LOCALIZE (L"ChangeAppearance_ShowGrid"));

      SetWindowText (GetDlgItem (hWnd, CHECKBOX_CHANGEAPPEARANCE_SHOWICONSRATHER), LOCALIZE (L"ChangeAppearance_ShowIconsRather"));

      SetWindowText (GetDlgItem (hWnd, CHECKBOX_CHANGEAPPEARANCE_CUSTOMBACKGROUND), LOCALIZE (L"ChangeAppearance_CustomPicture"));

      SetWindowText (GetDlgItem (hWnd, BUTTON_BROWSE), LOCALIZE (L"Button_Browse"));

      Static_SetText (GetDlgItem (hWnd, STATICTEXT_CHANGEAPPEARANCE_STATUSBAR), LOCALIZE (L"ChangeAppearance_StatusBar"));

      // get a quick access to the themes combo box

      hComboBoxWnd = GetDlgItem (hWnd, COMBOBOX_THEMES);

      // populate the themes combo box

      ComboBox_ResetContent (hComboBoxWnd);

      for (theme_index = 0; theme_index < theme_count; theme_index++)

      {

         selected_index = ComboBox_AddString (hComboBoxWnd, themes[theme_index].name);

         ComboBox_SetItemData (hComboBoxWnd, selected_index, theme_index); // save the theme index along with its name in the combo box

         if (_wcsicmp (themes[theme_index].name, theme->name) == 0)

            ComboBox_SetCurSel (hComboBoxWnd, selected_index); // put the user selection back on the fly

      }

      // initialize the checkboxes

      Button_SetCheck (GetDlgItem (hWnd, CHECKBOX_CHANGEAPPEARANCE_SHOWGRID), (want_grid ? BST_CHECKED : BST_UNCHECKED));

      Button_SetCheck (GetDlgItem (hWnd, CHECKBOX_CHANGEAPPEARANCE_SHOWICONSRATHER), (want_flaticons ? BST_CHECKED : BST_UNCHECKED));

      Button_SetCheck (GetDlgItem (hWnd, CHECKBOX_CHANGEAPPEARANCE_CUSTOMBACKGROUND), (want_custombackground ? BST_CHECKED : BST_UNCHECKED));

      // enable or disable the browse button based on whether we want a custom background or not

      EnableWindow (GetDlgItem (hWnd, BUTTON_BROWSE), want_custombackground);

   }

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

   else if (message == WM_CLOSE)

      EndDialog (hWnd, 0); // close the dialog box

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

   else if (message == WM_COMMAND)

   {

      // did we cancel the dialog box ? (IDCANCEL is a system-wide dialog box handler value, that catches the ESC key)

      if (wParam_loword == IDCANCEL)

         EndDialog (hWnd, 0); // close the dialog box

      // else given the control that's clicked, update the relevant skin

      else if ((wParam_loword == COMBOBOX_THEMES) && (wParam_hiword == CBN_SELCHANGE))

      {

         // get a quick access to the themes combo box

         hComboBoxWnd = GetDlgItem (hWnd, COMBOBOX_THEMES);

         selected_index = ComboBox_GetCurSel (hComboBoxWnd); // as the combo box is sorted, the selected index is NOT the theme index

         if ((selected_index >= 0) && (selected_index < theme_count))

         {

            theme_index = ComboBox_GetItemData (hComboBoxWnd, selected_index); // retrieve the actual theme index from the combo box's user data

            while (!themes[theme_index].is_loaded)

               Sleep (100); // wait until theme is fully loaded

            theme = &themes[theme_index]; // update the selected theme (WARNING: race condition ?)

            // update the theme info text

            Static_SetText (GetDlgItem (hWnd, STATICTEXT_CHANGEAPPEARANCE_THEMEINFO), (theme->description != NULL ? theme->description : L""));

         }

         the_scene.update = true; // redraw scene

      }

      else if (wParam_loword == CHECKBOX_CHANGEAPPEARANCE_SHOWGRID)

      {

         want_grid = (Button_GetCheck (GetDlgItem (hWnd, CHECKBOX_CHANGEAPPEARANCE_SHOWGRID)) != 0);

         the_scene.update = true; // redraw scene

      }

      else if (wParam_loword == CHECKBOX_CHANGEAPPEARANCE_SHOWICONSRATHER)

      {

         want_flaticons = (Button_GetCheck (GetDlgItem (hWnd, CHECKBOX_CHANGEAPPEARANCE_SHOWICONSRATHER)) != 0);

         the_scene.update = true; // redraw scene

      }

      else if (wParam_loword == CHECKBOX_CHANGEAPPEARANCE_CUSTOMBACKGROUND)

      {

         want_custombackground = (Button_GetCheck (GetDlgItem (hWnd, CHECKBOX_CHANGEAPPEARANCE_CUSTOMBACKGROUND)) != 0);

         EnableWindow (GetDlgItem (hWnd, BUTTON_BROWSE), want_custombackground);

         the_scene.update = true; // redraw scene

      }

      // else did we click the browse button ?

      else if (wParam_loword == BUTTON_BROWSE)

         _beginthread (StartThread_DialogBoxLoad, 0, (void *) hWnd); // fire up the load dialog box thread

   }

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

   return (false);

}

static void StartThread_DialogBoxLoad (void *thread_parms)

{

   // this function runs in a separate thread, for that's the only way (seemingly)

   // to implement a non-modal Open dialog box using the Common Controls library.

   OPENFILENAME ofn;

   // reset and prepare the open file name structure

   memset (&ofn, 0, sizeof (ofn));

   ofn.lStructSize = sizeof (ofn);

   ofn.hwndOwner = (HWND) thread_parms;

   ofn.lpstrFilter = LOCALIZE (L"ImageFileFilter");

   ofn.lpstrDefExt = L"jpg"; // default extension

   ofn.lpstrCustomFilter = ofn_customfilter;

   ofn.nMaxCustFilter = WCHAR_SIZEOF (ofn_customfilter);

   ofn.nFilterIndex = 1; // first filter (list is 1-based)

   ofn.lpstrFile = custombackground_pathname;

   ofn.nMaxFile = WCHAR_SIZEOF (custombackground_pathname);

   ofn.Flags = OFN_ENABLESIZING | OFN_EXPLORER | OFN_HIDEREADONLY | OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST;

   // display the dialog box and get the file name

   if (GetOpenFileName (&ofn))

      Background_LoadImage (&custombg, custombackground_pathname);

   the_scene.update = true; // redraw scene

   return; // _endthread() implied

}