1 files changed, 507 insertions, 0 deletions
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..d9c6e78
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,507 @@
+/****************************************************************************
+ * The main entry point and related JWM functions.
+ * Copyright (C) 2004 Joe Wingbermuehle
+ ****************************************************************************/
+
+#include "jwm.h"
+#include "main.h"
+#include "lex.h"
+#include "parse.h"
+#include "help.h"
+#include "error.h"
+#include "event.h"
+
+#include "border.h"
+#include "client.h"
+#include "color.h"
+#include "command.h"
+#include "cursor.h"
+#include "confirm.h"
+#include "font.h"
+#include "hint.h"
+#include "group.h"
+#include "key.h"
+#include "icon.h"
+#include "outline.h"
+#include "taskbar.h"
+#include "tray.h"
+#include "traybutton.h"
+#include "popup.h"
+#include "pager.h"
+#include "swallow.h"
+#include "screen.h"
+#include "root.h"
+#include "desktop.h"
+#include "place.h"
+#include "clock.h"
+#include "dock.h"
+#include "theme.h"
+#include "misc.h"
+
+Display *display = NULL;
+Window rootWindow;
+int rootWidth, rootHeight;
+int rootDepth;
+int rootScreen;
+Colormap rootColormap;
+Visual *rootVisual;
+GC rootGC;
+int colormapCount;
+
+int shouldExit = 0;
+int shouldRestart = 0;
+int isRestarting = 0;
+int initializing = 0;
+
+unsigned int desktopCount = 4;
+unsigned int currentDesktop = 0;
+
+char *exitCommand = NULL;
+
+int borderWidth = DEFAULT_BORDER_WIDTH;
+int titleHeight = DEFAULT_TITLE_HEIGHT;
+
+unsigned int doubleClickSpeed;
+unsigned int doubleClickDelta;
+
+FocusModelType focusModel = FOCUS_SLOPPY;
+
+XContext clientContext;
+XContext frameContext;
+
+#ifdef USE_SHAPE
+int haveShape;
+int shapeEvent;
+#endif
+
+
+static const char *CONFIG_FILE = "/.jwmrc";
+
+static void Initialize();
+static void Startup();
+static void Shutdown();
+static void Destroy();
+
+static void OpenConnection();
+static void CloseConnection();
+static void StartupConnection();
+static void ShutdownConnection();
+static void EventLoop();
+static void HandleExit();
+static void DoExit(int code);
+static void SendRestart();
+static void SendExit();
+
+static char *configPath = NULL;
+static char *displayString = NULL;
+
+/****************************************************************************
+ ****************************************************************************/
+int main(int argc, char *argv[]) {
+	char *temp;
+	int x;
+
+	StartDebug();
+
+	temp = getenv("HOME");
+	if(temp) {
+		configPath = Allocate(strlen(temp) + strlen(CONFIG_FILE) + 1);
+		strcpy(configPath, temp);
+		strcat(configPath, CONFIG_FILE);
+	} else {
+		configPath = CopyString(CONFIG_FILE);
+	}
+
+	for(x = 1; x < argc; x++) {
+		if(!strcmp(argv[x], "-v")) {
+			DisplayAbout();
+			DoExit(0);
+		} else if(!strcmp(argv[x], "-h")) {
+			DisplayHelp();
+			DoExit(0);
+		} else if(!strcmp(argv[x], "-p")) {
+			Initialize();
+			ParseConfig(configPath);
+			DoExit(0);
+		} else if(!strcmp(argv[x], "-restart")) {
+			SendRestart();
+			DoExit(0);
+		} else if(!strcmp(argv[x], "-exit")) {
+			SendExit();
+			DoExit(0);
+		} else if(!strcmp(argv[x], "-display") && x + 1 < argc) {
+			displayString = argv[++x];
+		} else {
+			DisplayUsage();
+			DoExit(1);
+		}
+	}
+
+	StartupConnection();
+	do {
+
+		isRestarting = shouldRestart;
+		shouldExit = 0;
+		shouldRestart = 0;
+
+		Initialize();
+
+		ParseConfig(configPath);
+
+		Startup();
+
+		EventLoop();
+
+		Shutdown();
+
+		Destroy();
+
+	} while(shouldRestart);
+	ShutdownConnection();
+
+	if(exitCommand) {
+		execl(SHELL_NAME, SHELL_NAME, "-c", exitCommand, NULL);
+		Warning("exec failed: (%s) %s", SHELL_NAME, exitCommand);
+		DoExit(1);
+	} else {
+		DoExit(0);
+	}
+
+	/* Control shoud never get here. */
+	return -1;
+
+}
+
+/****************************************************************************
+ ****************************************************************************/
+void DoExit(int code) {
+	Destroy();
+
+	if(configPath) {
+		Release(configPath);
+		configPath = NULL;
+	}
+	if(exitCommand) {
+		Release(exitCommand);
+		exitCommand = NULL;
+	}
+
+	StopDebug();
+	exit(code);
+}
+
+/****************************************************************************
+ ****************************************************************************/
+void EventLoop() {
+	XEvent event;
+
+	while(!shouldExit) {
+		WaitForEvent(&event);
+		ProcessEvent(&event);
+	}
+}
+
+/****************************************************************************
+ ****************************************************************************/
+void OpenConnection() {
+
+	display = JXOpenDisplay(displayString);
+	if(!display) {
+		if(displayString) {
+			printf("error: could not open display %s\n", displayString);
+		} else {
+			printf("error: could not open display\n");
+		}
+		DoExit(1);
+	}
+
+	rootScreen = DefaultScreen(display);
+	rootWindow = RootWindow(display, rootScreen);
+	rootWidth = DisplayWidth(display, rootScreen);
+	rootHeight = DisplayHeight(display, rootScreen);
+	rootDepth = DefaultDepth(display, rootScreen);
+	rootColormap = DefaultColormap(display, rootScreen);
+	rootVisual = DefaultVisual(display, rootScreen);
+	rootGC = DefaultGC(display, rootScreen);
+	colormapCount = MaxCmapsOfScreen(ScreenOfDisplay(display, rootScreen));
+
+	XSetGraphicsExposures(display, rootGC, False);
+
+}
+
+/****************************************************************************
+ ****************************************************************************/
+void StartupConnection() {
+	XSetWindowAttributes attr;
+	int temp;
+
+	initializing = 1;
+	OpenConnection();
+
+#if 0
+	XSynchronize(display, True);
+#endif
+
+	JXSetErrorHandler(ErrorHandler);
+
+	clientContext = XUniqueContext();
+	frameContext = XUniqueContext();
+
+	attr.event_mask
+		= SubstructureRedirectMask
+		| SubstructureNotifyMask
+		| PropertyChangeMask
+		| ColormapChangeMask
+		| ButtonPressMask
+		| ButtonReleaseMask
+		| PointerMotionMask | PointerMotionHintMask;
+	JXChangeWindowAttributes(display, rootWindow, CWEventMask, &attr);
+
+	signal(SIGTERM, HandleExit);
+	signal(SIGINT, HandleExit);
+	signal(SIGHUP, HandleExit);
+
+#ifdef USE_SHAPE
+	haveShape = JXShapeQueryExtension(display, &shapeEvent, &temp);
+	if (haveShape) {
+		Debug("shape extension enabled");
+	} else {
+		Debug("shape extension disabled");
+	}
+#endif
+
+	initializing = 0;
+
+}
+
+/****************************************************************************
+ ****************************************************************************/
+void CloseConnection() {
+	JXFlush(display);
+	JXCloseDisplay(display);
+}
+
+/****************************************************************************
+ ****************************************************************************/
+void ShutdownConnection() {
+	CloseConnection();
+}
+
+/****************************************************************************
+ ****************************************************************************/
+void HandleExit() {
+	signal(SIGTERM, HandleExit);
+	signal(SIGINT, HandleExit);
+	signal(SIGHUP, HandleExit);
+	shouldExit = 1;
+}
+
+/****************************************************************************
+ * This is called before the X connection is opened.
+ ****************************************************************************/
+void Initialize() {
+	InitializeBorders();
+	InitializeClients();
+	InitializeClock();
+	InitializeColors();
+	InitializeCommands();
+	InitializeCursors();
+	InitializeDesktops();
+	#ifndef DISABLE_CONFIRM
+		InitializeDialogs();
+	#endif
+	InitializeDock();
+	InitializeFonts();
+	InitializeGroups();
+	InitializeHints();
+	InitializeIcons();
+	InitializeKeys();
+	InitializeOutline();
+	InitializePager();
+	InitializePlacement();
+	InitializePopup();
+	InitializeRootMenu();
+	InitializeScreens();
+	InitializeSwallow();
+	InitializeTaskBar();
+	InitializeThemes();
+	InitializeTray();
+	InitializeTrayButtons();
+}
+
+/****************************************************************************
+ * This is called after the X connection is opened.
+ ****************************************************************************/
+void Startup() {
+
+	/* This order is important. */
+
+	StartupCommands();
+
+	/* First we grab the server to prevent clients from changing things
+	 * while we're still loading. */
+	JXGrabServer(display);
+
+	StartupScreens();
+
+	StartupGroups();
+	StartupColors();
+	StartupIcons();
+	StartupFonts();
+	StartupCursors();
+	StartupOutline();
+
+	StartupThemes();
+
+	StartupPager();
+	StartupClock();
+	StartupTaskBar();
+	StartupTrayButtons();
+	StartupDock();
+	StartupTray();
+	StartupKeys();
+	StartupDesktops();
+	StartupHints();
+	StartupBorders();
+	StartupPlacement();
+	StartupClients();
+
+	#ifndef DISABLE_CONFIRM
+		StartupDialogs();
+	#endif
+	StartupPopup();
+
+	StartupRootMenu();
+
+	SetDefaultCursor(rootWindow);
+	ReadCurrentDesktop();
+	JXFlush(display);
+
+	RestackClients();
+
+	/* Allow clients to do their thing. */
+	JXSync(display, True);
+	JXUngrabServer(display);
+
+	StartupSwallow();
+
+	/* Send expose events. */
+	ExposeCurrentDesktop();
+
+}
+
+/****************************************************************************
+ * This is called before the X connection is closed.
+ ****************************************************************************/
+void Shutdown() {
+
+	/* This order is important. */
+
+	ShutdownSwallow();
+
+	ShutdownOutline();
+	#ifndef DISABLE_CONFIRM
+		ShutdownDialogs();
+	#endif
+	ShutdownPopup();
+	ShutdownKeys();
+	ShutdownPager();
+	ShutdownRootMenu();
+	ShutdownDock();
+	ShutdownTray();
+	ShutdownTrayButtons();
+	ShutdownTaskBar();
+	ShutdownClock();
+	ShutdownBorders();
+	ShutdownClients();
+	ShutdownThemes();
+	ShutdownIcons();
+	ShutdownCursors();
+	ShutdownFonts();
+	ShutdownColors();
+	ShutdownGroups();
+	ShutdownDesktops();
+
+	ShutdownPlacement();
+	ShutdownHints();
+	ShutdownScreens();
+
+	ShutdownCommands();
+
+}
+
+/****************************************************************************
+ * This is called after the X connection is closed.
+ * Note that it is possible for this to be called more than once.
+ ****************************************************************************/
+void Destroy() {
+	DestroyBorders();
+	DestroyClients();
+	DestroyClock();
+	DestroyColors();
+	DestroyCommands();
+	DestroyCursors();
+	DestroyDesktops();
+	#ifndef DISABLE_CONFIRM
+		DestroyDialogs();
+	#endif
+	DestroyDock();
+	DestroyFonts();
+	DestroyGroups();
+	DestroyHints();
+	DestroyIcons();
+	DestroyKeys();
+	DestroyOutline();
+	DestroyPager();
+	DestroyPlacement();
+	DestroyPopup();
+	DestroyRootMenu();
+	DestroyScreens();
+	DestroySwallow();
+	DestroyTaskBar();
+	DestroyThemes();
+	DestroyTray();
+	DestroyTrayButtons();
+}
+
+/****************************************************************************
+ * Send _JWM_RESTART to the root window.
+ ****************************************************************************/
+void SendRestart() {
+
+	XEvent event;
+
+	OpenConnection();
+
+	memset(&event, 0, sizeof(event));
+	event.xclient.type = ClientMessage;
+	event.xclient.window = rootWindow;
+	event.xclient.message_type = JXInternAtom(display, "_JWM_RESTART", False);
+	event.xclient.format = 32;
+
+	JXSendEvent(display, rootWindow, False, SubstructureRedirectMask, &event);
+
+	CloseConnection();
+
+}
+
+/****************************************************************************
+ * Send _JWM_EXIT to the root window.
+ ****************************************************************************/
+void SendExit() {
+
+	XEvent event;
+
+	OpenConnection();
+
+	memset(&event, 0, sizeof(event));
+	event.xclient.type = ClientMessage;
+	event.xclient.window = rootWindow;
+	event.xclient.message_type = JXInternAtom(display, "_JWM_EXIT", False);
+	event.xclient.format = 32;
+
+	JXSendEvent(display, rootWindow, False, SubstructureRedirectMask, &event);
+
+	CloseConnection();
+}
+