500 lines
14 KiB
C
500 lines
14 KiB
C
/******************************Module*Header*******************************\
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* Module Name: dialog.c
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*
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* Dialog box functions for the OpenGL-based 3D Text screen saver.
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*
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* Created: 12-24-94 -by- Marc Fortier [marcfo]
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*
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* Copyright (c) 1994 Microsoft Corporation
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\**************************************************************************/
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#include <windows.h>
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#include <commdlg.h>
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#include <scrnsave.h>
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#include <GL\gl.h>
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#include <math.h>
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#include <memory.h>
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#include <string.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <malloc.h>
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#include <sys\timeb.h>
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#include <time.h>
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#include "sscommon.h"
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#include "sstext3d.h"
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// Global screen saver settings.
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static int idsStyles[NUM_DEMOS] =
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{IDS_DEMO_STRING, IDS_DEMO_CLOCK};
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static int idsRotStyles[NUM_ROTSTYLES] =
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{ IDS_ROTSTYLE_NONE,
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IDS_ROTSTYLE_SEESAW,
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IDS_ROTSTYLE_WOBBLE,
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IDS_ROTSTYLE_RANDOM
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};
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// local funtions
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LONG WndProc(HWND, UINT, WPARAM, LPARAM);
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static void InitAttrContext( AttrContext *pac );
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static void getFont( HWND hDlg);
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static void updateDialogControls(HWND hDlg);
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/******************************Public*Routine******************************\
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* getIniSettings
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*
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* Get the screen saver configuration options from .INI file/registry.
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*
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* History:
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* Jan. 95 -by- Marc Fortier [marcfo]
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* - Wrote it.
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* Apr. 28, 95 : [marcfo]
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* - Call common function ss_GetDefaultBmp to get a default bmp file
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* Nov. 95 [marcfo]
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* - Use ss registry helper functions
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*
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\**************************************************************************/
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void
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getIniSettings()
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{
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int options;
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int optMask = 1;
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TCHAR szDefaultBitmap[MAX_PATH];
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int iPos;
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TCHAR szDefaultFont[256];
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TCHAR szDefCharSet[16];
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int iDefCharSet;
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// Initialize the global AttrContext
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InitAttrContext( &gac );
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// Load resources
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LoadString(hMainInstance, IDS_GENNAME, szScreenSaver,
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sizeof(szScreenSaver) / sizeof(TCHAR));
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if (LoadString(hMainInstance, IDS_DEFFONT, szDefaultFont,
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sizeof(szDefaultFont) / sizeof(TCHAR)) == 0)
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{
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#ifdef UNICODE
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wcscpy(szDefaultFont, TEXT("Tahoma"));
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#else
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strcpy(szDefaultFont, TEXT("Tahoma"));
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#endif
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}
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iDefCharSet = ANSI_CHARSET;
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if (LoadString(hMainInstance, IDS_DEFCHARSET, szDefCharSet,
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sizeof(szDefCharSet) / sizeof(TCHAR)) != 0)
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{
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#ifdef UNICODE
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iDefCharSet = _wtoi(szDefCharSet);
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#else
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iDefCharSet = atoi(szDefCharSet);
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#endif
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}
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// Get registry settings
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if( ss_RegistrySetup( hMainInstance, IDS_SAVERNAME, IDS_INIFILE ) )
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{
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// get demo type
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gac.demoType = ss_GetRegistryInt( IDS_DEMOTYPE, DEMO_STRING );
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SS_CLAMP_TO_RANGE2( gac.demoType, 0, MAX_DEMO);
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// get rotation style
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gac.rotStyle = ss_GetRegistryInt( IDS_ROTSTYLE, ROTSTYLE_RANDOM );
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SS_CLAMP_TO_RANGE2( gac.rotStyle, 0, NUM_ROTSTYLES-1 );
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// get tesselation
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iPos = ss_GetRegistryInt( IDS_TESSELATION, 10 );
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SS_CLAMP_TO_RANGE2( iPos, MIN_SLIDER, MAX_SLIDER );
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gac.fTesselFact = (float)iPos / 100.0f;
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// get size
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gac.uSize = ss_GetRegistryInt( IDS_SIZE, 50 );
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if ( gac.uSize > MAX_SLIDER )
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gac.uSize = MAX_SLIDER;
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// MIN_SLIDER is 0 so the unsigned uSize cannot ever be less than MIN_SLIDER
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// get speed
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gac.iSpeed = ss_GetRegistryInt( IDS_SPEED, 50 );
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SS_CLAMP_TO_RANGE2( gac.iSpeed, MIN_SLIDER, MAX_SLIDER );
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// get surface style
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gac.surfStyle = ss_GetRegistryInt( IDS_SURFSTYLE, SURFSTYLE_SOLID );
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SS_CLAMP_TO_RANGE2(gac.surfStyle, 0, SURFSTYLE_TEX);
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// get font, attributes, and charset
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ss_GetRegistryString( IDS_FONT, szDefaultFont,
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gac.szFontName, LF_FACESIZE );
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options = ss_GetRegistryInt( IDS_FONT_ATTRIBUTES, 0 );
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if( options >= 0 ) {
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optMask = 1;
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gac.bBold = ((options & optMask) != 0);
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optMask <<=1;
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gac.bItalic = ((options & optMask) != 0);
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}
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gac.charSet = (BYTE)ss_GetRegistryInt( IDS_CHARSET, iDefCharSet );
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// get display string
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ss_GetRegistryString( IDS_TEXT, TEXT("OpenGL"), gac.szText, TEXT_LIMIT+1);
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// Determine the default .bmp file
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ss_GetDefaultBmpFile( szDefaultBitmap );
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// Is there a texture specified in the registry that overrides the
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// default?
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ss_GetRegistryString( IDS_TEXTURE, szDefaultBitmap, gac.texFile.szPathName,
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MAX_PATH);
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gac.texFile.nOffset = ss_GetRegistryInt( IDS_TEXTURE_FILE_OFFSET, 0 );
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}
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}
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/**************************************************************************\
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* ConfigInit
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*
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\**************************************************************************/
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BOOL
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ss_ConfigInit( HWND hDlg )
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{
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return TRUE;
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}
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/**************************************************************************\
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* InitAttrContext
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*
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* Initialize some of the values in the attribute context
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*
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* History:
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* Jan. 95 -by- Marc Fortier [marcfo]
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* Wrote it.
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\**************************************************************************/
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static void
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InitAttrContext( AttrContext *pac )
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{
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// set some default values
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pac->demoType = DEMO_STRING;
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pac->surfStyle = SURFSTYLE_SOLID;
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pac->fTesselFact = 1.0f;
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pac->uSize = 50;
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pac->iSpeed = 50;
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pac->texFile.szPathName[0] = '\0';
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pac->texFile.nOffset = 0;
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}
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/******************************Public*Routine******************************\
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* saveIniSettings
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*
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* Save the screen saver configuration option to the .INI file/registry.
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*
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* History:
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* Jan. 95 -by- Marc Fortier [marcfo]
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* Wrote it.
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* Nov. 95 [marcfo]
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* - Use ss registry helper functions
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\**************************************************************************/
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static void
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saveIniSettings(HWND hDlg)
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{
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int options;
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int optMask = 1;
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GetWindowText( GetDlgItem(hDlg, DLG_TEXT_ENTER), gac.szText, TEXT_LIMIT+1);
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if( ss_RegistrySetup( hMainInstance, IDS_SAVERNAME, IDS_INIFILE ) )
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{
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ss_WriteRegistryInt( IDS_DEMOTYPE, gac.demoType );
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ss_WriteRegistryInt( IDS_ROTSTYLE, gac.rotStyle );
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ss_WriteRegistryInt( IDS_TESSELATION,
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ss_GetTrackbarPos(hDlg, DLG_SETUP_TESSEL) );
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ss_WriteRegistryInt( IDS_SIZE,
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ss_GetTrackbarPos(hDlg, DLG_SETUP_SIZE) );
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ss_WriteRegistryInt( IDS_SPEED,
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ss_GetTrackbarPos(hDlg, DLG_SETUP_SPEED) );
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ss_WriteRegistryInt( IDS_SURFSTYLE, gac.surfStyle );
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ss_WriteRegistryString( IDS_FONT, gac.szFontName );
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optMask = 1;
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options = gac.bBold ? optMask : 0;
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optMask <<= 1;
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options |= gac.bItalic ? optMask : 0;
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ss_WriteRegistryInt( IDS_FONT_ATTRIBUTES, options );
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ss_WriteRegistryInt( IDS_CHARSET, gac.charSet );
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ss_WriteRegistryString( IDS_TEXT, gac.szText );
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ss_WriteRegistryString( IDS_TEXTURE, gac.texFile.szPathName );
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ss_WriteRegistryInt( IDS_TEXTURE_FILE_OFFSET, gac.texFile.nOffset );
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}
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}
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/******************************Public*Routine******************************\
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* setupDialogControls
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*
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* Do initial setup of dialog controls.
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*
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* History:
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* Jan. 95 -by- Marc Fortier [marcfo]
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* Wrote it.
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\**************************************************************************/
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static void
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setupDialogControls(HWND hDlg)
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{
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int pos;
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InitCommonControls();
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// initialize sliders
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// tesselation slider
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pos = (int)(gac.fTesselFact * 100.0f);
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ss_SetupTrackbar( hDlg, DLG_SETUP_TESSEL, MIN_SLIDER, MAX_SLIDER, 1, 9,
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pos );
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// size slider
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ss_SetupTrackbar( hDlg, DLG_SETUP_SIZE, MIN_SLIDER, MAX_SLIDER, 1, 9,
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gac.uSize );
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// speed slider
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ss_SetupTrackbar( hDlg, DLG_SETUP_SPEED, MIN_SLIDER, MAX_SLIDER, 1, 9,
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gac.iSpeed);
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// set state of other controls
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updateDialogControls(hDlg);
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}
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/******************************Public*Routine******************************\
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* updateDialogControls
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*
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* Updates dialog controls according to current state
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*
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* History:
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* Jan. 95 -by- Marc Fortier [marcfo]
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* Wrote it.
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\**************************************************************************/
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static void
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updateDialogControls(HWND hDlg)
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{
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int pos;
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BOOL bTexSurf;
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BOOL bText;
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bTexSurf = (gac.surfStyle == SURFSTYLE_TEX );
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CheckDlgButton(hDlg, IDC_RADIO_SOLID, !bTexSurf );
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CheckDlgButton(hDlg, IDC_RADIO_TEX , bTexSurf );
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// set up demo-specific configure button
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bText = (gac.demoType == DEMO_STRING) ? TRUE : FALSE;
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EnableWindow(GetDlgItem(hDlg, DLG_TEXT_ENTER), bText );
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CheckDlgButton(hDlg, IDC_DEMO_STRING, bText );
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CheckDlgButton(hDlg, IDC_DEMO_CLOCK, !bText );
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// texture: only enable if surfStyle is texture
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EnableWindow(GetDlgItem(hDlg, DLG_SETUP_TEX), bTexSurf );
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}
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/******************************Public*Routine******************************\
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* getFont
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*
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* Calls ChooseFont dialog
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*
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* History:
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* Jan. 95 -by- Marc Fortier [marcfo]
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* Wrote it.
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\**************************************************************************/
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static void
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getFont( HWND hDlg)
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{
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CHOOSEFONT cf = {0};
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LOGFONT lf = {0};
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HFONT hfont, hfontOld;
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HDC hdc;
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hdc = GetDC( hDlg );
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// Create and select a font.
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cf.lStructSize = sizeof(CHOOSEFONT);
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cf.hwndOwner = hDlg;
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cf.lpLogFont = &lf;
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cf.hInstance = hMainInstance;
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cf.lpTemplateName = (LPTSTR) MAKEINTRESOURCE(IDD_FONT);
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cf.Flags = CF_SCREENFONTS | CF_INITTOLOGFONTSTRUCT | CF_TTONLY |
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CF_ENABLETEMPLATE | CF_NOSIMULATIONS;
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// setup logfont with current settings
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lstrcpy(lf.lfFaceName, gac.szFontName);
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lf.lfWeight = (gac.bBold) ? FW_BOLD : FW_NORMAL;
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lf.lfItalic = (gac.bItalic) ? (BYTE) 1 : 0;
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lf.lfCharSet = gac.charSet;
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lf.lfHeight = -37; // value ???
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if( ChooseFont(&cf) ) {
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// retrieve settings into gac
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lstrcpy( gac.szFontName, lf.lfFaceName );
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gac.bBold = (lf.lfWeight == FW_NORMAL) ? FALSE : TRUE;
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gac.bItalic = (lf.lfItalic) ? TRUE : FALSE;
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gac.charSet = lf.lfCharSet;
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}
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}
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BOOL WINAPI RegisterDialogClasses(HANDLE hinst)
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{
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return TRUE;
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}
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/******************************Public*Routine******************************\
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* ScreenSaverConfigureDialog
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*
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* Processes messages for the configuration dialog box.
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*
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* History:
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* Jan. 95 -by- Marc Fortier [marcfo]
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* - Wrote it.
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* Apr. 28, 95 : [marcfo]
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* - Call common function ss_GetTextureBitmap to load bmp texture
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*
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\**************************************************************************/
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BOOL ScreenSaverConfigureDialog(HWND hDlg, UINT message,
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WPARAM wParam, LPARAM lParam)
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{
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int wTmp;
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TCHAR szStr[GEN_STRING_SIZE];
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HANDLE hInst;
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BOOL bEnable;
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HWND hText;
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switch (message) {
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case WM_INITDIALOG:
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getIniSettings();
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setupDialogControls(hDlg);
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// setup rotStyle combo box
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for (wTmp = 0; wTmp < NUM_ROTSTYLES; wTmp++) {
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LoadString(hMainInstance, idsRotStyles[wTmp], szStr,
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GEN_STRING_SIZE);
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SendDlgItemMessage(hDlg, DLG_SETUP_ROTSTYLE, CB_ADDSTRING, 0,
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(LPARAM) szStr);
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}
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SendDlgItemMessage(hDlg, DLG_SETUP_ROTSTYLE, CB_SETCURSEL,
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gac.rotStyle, 0);
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// display current string in box
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SendDlgItemMessage( hDlg, DLG_TEXT_ENTER, EM_LIMITTEXT, TEXT_LIMIT,0);
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SetWindowText( GetDlgItem(hDlg, DLG_TEXT_ENTER), gac.szText );
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return TRUE;
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case WM_COMMAND:
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switch (LOWORD(wParam)) {
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case DLG_SETUP_TYPES:
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switch (HIWORD(wParam))
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{
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case CBN_EDITCHANGE:
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case CBN_SELCHANGE:
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gac.demoType =
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(int)SendDlgItemMessage(hDlg, DLG_SETUP_TYPES,
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CB_GETCURSEL, 0, 0);
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updateDialogControls(hDlg);
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break;
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default:
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break;
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}
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return FALSE;
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case DLG_SETUP_ROTSTYLE:
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switch (HIWORD(wParam))
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{
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case CBN_EDITCHANGE:
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case CBN_SELCHANGE:
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gac.rotStyle =
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(int)SendDlgItemMessage(hDlg, DLG_SETUP_ROTSTYLE,
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CB_GETCURSEL, 0, 0);
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updateDialogControls(hDlg);
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break;
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default:
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break;
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}
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return FALSE;
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case DLG_SETUP_TEX:
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// Run choose texture dialog
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ss_SelectTextureFile( hDlg, &gac.texFile );
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break;
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case DLG_SETUP_FONT:
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getFont(hDlg);
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break;
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case IDC_RADIO_SOLID:
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case IDC_RADIO_TEX:
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gac.surfStyle = IDC_TO_SURFSTYLE( LOWORD(wParam) );
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updateDialogControls(hDlg);
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break;
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case IDC_DEMO_STRING:
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case IDC_DEMO_CLOCK:
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gac.demoType = IDC_TO_DEMOTYPE( LOWORD(wParam) );
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updateDialogControls(hDlg);
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if( LOWORD(wParam) == IDC_DEMO_STRING ) {
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// set selected text focus
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SetFocus( GetDlgItem(hDlg, DLG_TEXT_ENTER) );
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SendDlgItemMessage( hDlg, DLG_TEXT_ENTER,
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EM_SETSEL, 0, -1 );
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}
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break;
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case IDOK:
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saveIniSettings(hDlg);
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EndDialog(hDlg, TRUE);
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break;
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case IDCANCEL:
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EndDialog(hDlg, FALSE);
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break;
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default:
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break;
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}
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return TRUE;
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break;
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default:
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return 0;
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}
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return 0;
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}
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