optionsdlg.cpp

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#include "stdafx.h"
#include "optionsdlg.h"
#include "resource.h"

#define IS_PAGE_ID(a) ((g_nCurID==a))

#define PAGE_WINDOW 0
#define PAGE_BARS   1
#define PAGE_PEAKS  2
#define PAGE_GRID   3
#define PAGE_ADV    4
#define PAGE_SKIN   5

// Callback functions for dialogs
BOOL CALLBACK DlgProc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
BOOL CALLBACK ChildDlgProc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);

// Load/Save Setting functions
bool SetTabCurSel(HWND hDlg, int nID, bool bCallDestroy = true);
void OnDestroyTabSec(int nID);
void LoadPageSettings(HWND hDlg, int nID);

// Helper functions for windows controls
bool CheckCheckBox(HWND hDlg, int nID, bool bCheck);
bool SetEditNumber(HWND hDlg, int nID, int nNum);
bool SetSliderParms(HWND hDlg, int nID, int nMin, int nMax, int nPos);
bool GetCheckState(HWND hDlg, int nID);
int  GetEditNum(HWND hDlg, int nID);
int  GetSliderPos(HWND hDlg, int nID);
void tabAddPage(HWND hDlg, int nID, int nIndex, const char* lpText);

// Functions defined in vis_spectrum.cpp
void OnConfigRead(struct winampVisModule* mod);
void OnConfigWrite(struct winampVisModule* mod);
void UpdateRect(LPRECT lpRect, HWND hWnd);
void SaveSkin(char* szName);
void LoadSkin();
bool SetCurrentSkin(const char* lpszBitmap);

// Couple of other useful functions
bool StdOpenDialog(HWND hWndParent, const char* lpTitle, const char* lpExtensions, char* lpBuffer, int nBufferSize);
void PaintCurrentSkinToDialog(HWND hDlg);

// The plugin settings and plugin variables declared in vis_spectrum.cpp
extern VS_PLUGINVARS Plugin;
winampVisModule* g_pMod=NULL;

// The current tab page number
int g_nCurID=0;

// A copy of the settings that we can change without changing the
// real ones straight away.
VS_SAVEDATA g_Settings;

// This function invokes the options dialog if it is not already present
bool DoOptionsDialogThingy(winampVisModule* mod)
{
	if(!Plugin.bInConfig) {
		Plugin.bInConfig = true;
		// read the config in case the plugin is not actually running
		g_pMod = mod;
		OnConfigRead(mod);
		g_Settings = Plugin.Settings;
		g_Settings.nDelayMS = mod->delayMs;
		g_Settings.nLatency = mod->latencyMs;
		DialogBoxParam(mod->hDllInstance,(LPCTSTR)IDD_CONFDLG,(Plugin.hWndMain ? Plugin.hWndMain : mod->hwndParent),DlgProc,0);		
		Plugin.bInConfig = false;
		g_pMod = NULL;
		return true;
	}
	return false;
}

BOOL CALLBACK DlgProc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
	switch(uMsg) {
	case WM_INITDIALOG:
	{
		// Add the pages to the tab control
		tabAddPage(hDlg, IDC_SELTAB, 0, "&Window");
		tabAddPage(hDlg, IDC_SELTAB, 1, "&Bars");
		tabAddPage(hDlg, IDC_SELTAB, 2, "&Peaks");
		tabAddPage(hDlg, IDC_SELTAB, 3, "&Grid");
		tabAddPage(hDlg, IDC_SELTAB, 4, "&Advanced");
		tabAddPage(hDlg, IDC_SELTAB, 5, "&Skins");
		// And set the selection to the first page
		SetTabCurSel(hDlg,0,false);
		return TRUE;
	}
	case WM_NOTIFY:
	{
		switch(wParam) {
		case IDC_SELTAB:
		{
			NMHDR* idhdr = (NMHDR*)lParam;
			if(idhdr->code==TCN_SELCHANGE) {
				// Tab page was just changed
				SetTabCurSel(hDlg,TabCtrl_GetCurSel(idhdr->hwndFrom));
			}
			break;
		}
		default:
			break;
		}
		return FALSE;
	}
	case WM_COMMAND:
		switch(LOWORD(wParam)) {
		case IDC_DEFAULTS:
			// want to reset to defaults
			if(MessageBox(hDlg,"Are you sure that you want to reset to the default settings (changes will take effect immediately and be saved)?","Analyser Configuration",MB_ICONQUESTION|MB_YESNO)==IDYES) {
				VS_SAVEDATA Settings = {
					0,    // left window pos
					0,    // top window pos
					275,  // width of window
					116,  // height of window
					10,   // window snap threshold
					true, // snap windows
					false,// double size
					true, // dim title bar on inactive
					true, // save window pos
					true, // use winamp cursor
					true, // show peaks
					true, // show bars
					true, // show grid
					4,    // bar width
					1,    // bar horizontal gap (shrinks width of bar)
					0,    // vertical bar gaps
					20,   // delay (in frames of 25 ms) of peaks to drop
					4,    // peak drop speed (per frame)
					2,    // default drop speed (when bars are below 16)
					19,   // maximum increase at one time
					6,    // maximum decrease at one time
					4,	  // horizontal grid width
					1,    // vertical grid gap
					1,    // horz grid gap (not implemented)
					false,// level filter
					true, // level remap
					25,	  // delayms
					25,   // latency ms
					1,    // bar style (fire)
				};
				g_Settings = Settings;
				
				Plugin.Settings = g_Settings;

				g_pMod->delayMs = Plugin.Settings.nDelayMS;
				g_pMod->latencyMs = Plugin.Settings.nLatency;
				// load the page settings again for the current page
				LoadPageSettings(Plugin.hCurDlg,g_nCurID);
				// and save the data
				OnConfigWrite(g_pMod);
			}
			break;
		case IDOK:
			// OK this is really the apply button
			OnDestroyTabSec(g_nCurID);
			if(g_Settings.bDoubleSize != Plugin.Settings.bDoubleSize) 
			SetDoubleSize(Plugin.hWndMain, g_Settings.bDoubleSize);
			if(g_Settings.bDimTitleBar != Plugin.Settings.bDimTitleBar) {
				if(!Plugin.Settings.bDimTitleBar) {
					BitmapBltEx(Plugin.hMemDC, Plugin.hBmpSkin, 0, 0, 275, 14, 0, 130);
				}
				else {
					BitmapBltEx(Plugin.hMemDC, Plugin.hBmpSkin, 0, 0, 275, 14, 0, 116);
				}
				UpdateRect(&Plugin.rcTitleBar,Plugin.hWndMain);
			}
			
			Plugin.Settings = g_Settings;
			
			g_pMod->delayMs = g_Settings.nDelayMS;
			g_pMod->latencyMs = g_Settings.nLatency;
			
			OnConfigWrite(g_pMod);
			LoadPageSettings(Plugin.hCurDlg,g_nCurID);
			break;
		case IDCANCEL:
			// really the close button
			EndDialog(hDlg,LOWORD(wParam));
			break;
		default:
			return FALSE;
		}
	default:
		return FALSE;
	}
	return TRUE;
}

// Child dialog procedure used for all the dialogs that are displayed within the
// tab control.
BOOL CALLBACK ChildDlgProc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
	switch(uMsg) {
	case WM_INITDIALOG:
		LoadPageSettings(hDlg,g_nCurID);
		break;	
	case WM_COMMAND:
		switch(LOWORD(wParam)) {
		case IDC_BROWSE:
			char szBuff[256];
			if(StdOpenDialog(GetParent(hDlg),"Browse for Skin","Windows Bitmaps (*.bmp)\0*.BMP\0",szBuff,256)) {
				// This saves the new skin filename
				SaveSkin(szBuff);
				// Then loads the skin
				SetCurrentSkin(szBuff);
				PaintCurrentSkinToDialog(hDlg);
			}
			break;
		case IDC_BASE:
		{
			// Reset to the base skin
			SaveSkin(NULL);
			SetCurrentSkin(NULL);
			PaintCurrentSkinToDialog(hDlg);
			break;
		}
		case IDOK:
		case IDCANCEL:
			EndDialog(hDlg,LOWORD(wParam));
			break;
		default:
			return FALSE;
		}
	case WM_PAINT:
	{
		PAINTSTRUCT ps;
		HDC hDC = BeginPaint(hDlg,&ps);
		if(hDC) {
			if(IS_PAGE_ID(PAGE_SKIN)) {
				// If it is the skins page, then paint the picture of the
				// current skin bitmap
				BitmapBltEx(hDC, Plugin.hBmpSkin,24,53,275, 153, 0, 0);
			}
		}
		EndPaint(hDlg,&ps);
	}
	default:
		return FALSE;
	}
	return TRUE;

}

bool SetTabCurSel(HWND hDlg, int nID, bool bCallDestroy)
{
	if(bCallDestroy) OnDestroyTabSec(g_nCurID);
	if(Plugin.hCurDlg) DestroyWindow(Plugin.hCurDlg);	
	HWND hTab = GetDlgItem(hDlg,IDC_SELTAB);
	if(!hTab) return false;
	g_nCurID = nID;

	switch(nID) {
	case 0: