Work on theming support...

elma/ElmaService.cpp

@@ -0,0 +1,105 @@
+/*
+ * $Id$
+ *
+ * ELMA, Ede Login MAnager
+ * Part of Equinox Desktop Environment (EDE).
+ * Copyright (c) 2008 EDE Authors.
+ *
+ * This program is licensed under terms of the 
+ * GNU General Public License version 2 or newer.
+ * See COPYING for details.
+ */
+
+#include "ElmaService.h"
+#include "ElmaWindow.h"
+
+#include <edelib/Config.h>
+
+#include <FL/Fl.h>
+#include <FL/x.h>
+#include <stdlib.h>
+
+ElmaService::ElmaService() : config(NULL), theme(NULL) {
+}
+
+ElmaService::~ElmaService() {
+	delete config;
+	elma_theme_clear(theme);
+}
+
+ElmaService* ElmaService::instance(void) {
+	static ElmaService es;
+	return &es;
+}
+
+void ElmaService::execute(const char* cmd) {
+	system(cmd);
+}
+
+bool ElmaService::load_config(void) {
+	config = new ConfigData;
+
+	edelib::Config cfile;
+
+	if(!cfile.load("elma.conf"))
+		return false;
+
+	char buff[256];
+	unsigned int buffsz = sizeof(buff);
+
+	if(cfile.get("elma", "xserver", buff, buffsz))
+		config->xserver_cmd = buff;
+
+	if(cfile.get("elma", "halt", buff, buffsz))
+		config->halt_cmd = buff;
+
+	if(cfile.get("elma", "reboot", buff, buffsz))
+		config->reboot_cmd = buff;
+
+	if(cfile.get("elma", "login_cmd", buff, buffsz))
+		config->login_cmd = buff;
+
+	if(cfile.get("elma", "xauth", buff, buffsz))
+		config->xauth_cmd = buff;
+
+	if(cfile.get("elma", "xauth_file", buff, buffsz))
+		config->xauth_file = buff;
+
+	if(cfile.get("elma", "theme", buff, buffsz))
+		config->theme = buff;
+
+	cfile.get("elma", "numlock", config->numlock, false);
+	cfile.get("elma", "cursor", config->show_cursor, false);
+
+	return true;
+}
+
+bool ElmaService::load_theme(void) {
+	theme = elma_theme_init("themes/default");
+
+	if(theme == NULL)
+		return false;
+	return true;
+}
+
+void ElmaService::display_window(void) {
+	fl_open_display();
+
+	int dx, dy, dw, dh;
+	Fl::screen_xywh(dx, dy, dw, dh);
+
+	//numlock_xkb_init(fl_display);
+
+	ElmaWindow* win = new ElmaWindow(dw, dh);
+
+	if(!win->create_window(theme)) {
+		delete win;
+		return;
+	}
+
+	win->clear_border();
+	win->show();
+	win->cursor(FL_CURSOR_NONE);
+
+	Fl::run();
+}

elma/ElmaService.h

@@ -0,0 +1,50 @@
+/*
+ * $Id$
+ *
+ * ELMA, Ede Login MAnager
+ * Part of Equinox Desktop Environment (EDE).
+ * Copyright (c) 2008 EDE Authors.
+ *
+ * This program is licensed under terms of the 
+ * GNU General Public License version 2 or newer.
+ * See COPYING for details.
+ */
+
+#ifndef __ELMASERVICE_H__
+#define __ELMASERVICE_H__
+
+#include "Theme.h"
+
+struct ConfigData {
+	edelib::String xserver_cmd;
+	edelib::String halt_cmd;
+	edelib::String reboot_cmd;
+	edelib::String login_cmd;
+	edelib::String xauth_cmd;
+
+	edelib::String xauth_file;
+	edelib::String theme;
+
+	bool numlock;
+	bool show_cursor;
+};
+
+class ElmaService {
+	private:
+		ConfigData* config;
+		ElmaTheme* theme;
+
+		void execute(const char* cmd);
+
+	public:
+		ElmaService();
+		~ElmaService();
+		static ElmaService* instance(void);
+
+		bool load_config(void);
+		bool load_theme(void);
+
+		void display_window(void);
+};
+
+#endif

elma/ElmaWindow.cpp

@@ -19,6 +19,10 @@
 #include "ElmaWindow.h"
 #include "Background.h"
 #include "TextArea.h"
+#include "Theme.h"
+
+#define USER_AND_PASS_BOX_VISIBLE 1
+#define USER_OR_PASS_BOX_VISIBLE  2
 
 static void timeout_cb(void* e) {
 	ElmaWindow* win = (ElmaWindow*)e;
@@ -29,45 +33,66 @@ ElmaWindow::ElmaWindow(int W, int H) : Fl_Double_Window(0, 0, W, H),
 	bkg(0), user_in(0), pass_in(0), error_display(0), info_display(0) {
 
 	deny_mode = false;
+	box_mode = USER_AND_PASS_BOX_VISIBLE;
 }
 
 ElmaWindow::~ElmaWindow() {
 }
 
-bool ElmaWindow::load_everything(void) {
+bool ElmaWindow::create_window(ElmaTheme* et) {
+	EASSERT(et != NULL);
+
 	begin();
 		bkg = new Background(0, 0, w(), h());
-		if(!bkg->load_images("themes/default/background.jpg", "themes/default/panel.png"))
+		if(!bkg->load_images(et->background.c_str(), et->panel.c_str()))
 			return false;
 
-		//bkg->panel_pos(35, 189);
-		bkg->panel_pos(235, 489);
+		bkg->panel_pos(et->panel_x, et->panel_y);
+
+		ThemeBox* tb;
+
+		tb = et->user;
+		user_in = new TextArea(tb->x, tb->y, tb->w, tb->h);
+		if(tb->label)
+			user_in->label(tb->label->c_str());
 
-		//user_in = new TextArea(428, 351, 184, 28, "Username:  ");
-		user_in = new TextArea(240, 489, 184, 30, "Username:  ");
 		user_in->labelcolor(FL_WHITE);
 		user_in->textfont(FL_HELVETICA_BOLD);
-		user_in->textsize(14);
+		user_in->textsize(tb->font_size);
 
-		//pass_in = new TextArea(428, 351, 184, 28, "Password:  ");
-		pass_in = new TextArea(240, 489, 184, 30, "Password:  ");
+		tb = et->pass;
+		pass_in = new TextArea(tb->x, tb->y, tb->w, tb->h);
+		if(tb->label)
+			pass_in->label(tb->label->c_str());
+
+		pass_in->type(FL_SECRET_INPUT);
 		pass_in->labelcolor(FL_WHITE);
 		pass_in->textfont(FL_HELVETICA_BOLD);
-		pass_in->textsize(14);
-		pass_in->type(FL_SECRET_INPUT);
-		pass_in->hide();
+		pass_in->textsize(tb->font_size);
 
-		//error_display = new Fl_Box(418, 390, 184, 28);
-		error_display = new Fl_Box(240, 520, 184, 28);
+		/*
+		 * If username box and password box are at the same place, hide
+		 * password box. With this, password box will be shown when user
+		 * press enter on username box and reverse.
+		 */
+		if(pass_in->x() == user_in->x() && pass_in->y() == user_in->y()) {
+			box_mode = USER_OR_PASS_BOX_VISIBLE;
+			pass_in->hide();
+		}
+
+		tb = et->error;
+		error_display = new Fl_Box(tb->x, tb->y, tb->w, tb->h);
 		error_display->align(FL_ALIGN_INSIDE | FL_ALIGN_LEFT | FL_ALIGN_CLIP);
 		error_display->labelcolor(FL_WHITE);
-		error_display->labelsize(14);
+		error_display->labelsize(tb->font_size);
 		error_display->hide();
 
-		info_display = new Fl_Box(10, 10, 184, 28);
+		tb = et->info;
+		info_display = new Fl_Box(tb->x, tb->y, tb->w, tb->h);
 		info_display->align(FL_ALIGN_INSIDE | FL_ALIGN_LEFT | FL_ALIGN_CLIP);
 		info_display->labelcolor(FL_GRAY);
-		info_display->label("EDE version 2.0");
+		if(tb->label)
+			info_display->label(tb->label->c_str());
 	end();
 
 	return true;
@@ -114,6 +139,16 @@ int ElmaWindow::handle(int event) {
 			return 1;
 
 		if(Fl::event_key() == FL_Enter) {
+			if(box_mode == USER_AND_PASS_BOX_VISIBLE) {
+				if(Fl::focus() == user_in)
+					Fl::focus(pass_in);
+				else {
+					validate_user();
+					// don't remember password
+					pass_in->value(0);
+					Fl::focus(user_in);
+				}
+			} else {
 				if(user_in->visible()) {
 					user_in->hide();
 					pass_in->show();
@@ -125,6 +160,7 @@ int ElmaWindow::handle(int event) {
 
 					validate_user();
 				}
+			}
 
 			return 1;
 		}

elma/ElmaWindow.h

@@ -18,6 +18,7 @@
 class Background;
 class TextArea;
 class Fl_Box;
+struct ElmaTheme;
 
 class ElmaWindow : public Fl_Double_Window {
 	private:
@@ -27,6 +28,7 @@ class ElmaWindow : public Fl_Double_Window {
 		Fl_Box*     error_display;
 		Fl_Box*     info_display;
 		bool        deny_mode;
+		int         box_mode;
 
 		void validate_user(void);
 
@@ -37,7 +39,7 @@ class ElmaWindow : public Fl_Double_Window {
 		void allow_input(void);
 		void deny_input(void);
 
-		bool load_everything(void);
+		bool create_window(ElmaTheme* et);
 		virtual int handle(int event);
 };
 #endif

elma/Jamfile

@@ -10,7 +10,7 @@
 
 SubDir TOP elma ;
 
-SOURCE = Background.cpp NumLock.cpp ElmaWindow.cpp elma.cpp ;
+SOURCE = Background.cpp NumLock.cpp Theme.cpp ElmaService.cpp ElmaWindow.cpp elma.cpp ;
 
 EdeProgram elma : $(SOURCE) ;
 TranslationStrings  locale : $(SOURCE) ;

elma/TextArea.h

@@ -14,7 +14,6 @@
 #define __TEXTAREA_H__
 
 #include <FL/Fl_Input.h>
-
 #include <edelib/Debug.h>
 
 /*
@@ -40,6 +39,10 @@ class TextArea : public Fl_Input {
 			if(event == FL_SHOW || event == FL_HIDE)
 				return 1;
 
+			// don't allow input when we are disabled
+			if(event == FL_KEYBOARD && !active())
+				return 1;
+
 			int ret = Fl_Input::handle(event);
 			if(ret);
 				parent()->damage(FL_DAMAGE_ALL, x(), y(), w(), h());

elma/Theme.cpp

@@ -0,0 +1,128 @@
+/*
+ * $Id$
+ *
+ * ELMA, Ede Login MAnager
+ * Part of Equinox Desktop Environment (EDE).
+ * Copyright (c) 2008 EDE Authors.
+ *
+ * This program is licensed under terms of the 
+ * GNU General Public License version 2 or newer.
+ * See COPYING for details.
+ */
+
+#include "Theme.h"
+#include <edelib/Config.h>
+#include <edelib/File.h>
+#include <edelib/Debug.h>
+
+#define DEFAULT_THEME_FILE "elma.theme"
+
+ElmaTheme* elma_theme_init(const char* directory) {
+	edelib::String path;
+	path.printf("%s/%s", directory, DEFAULT_THEME_FILE);
+
+	edelib::Config conf;
+
+	if(!conf.load(path.c_str())) {
+		EWARNING(ESTRLOC ": Can' load %s\n", path.c_str());
+		return NULL;
+	}
+
+	ElmaTheme* et = new ElmaTheme;
+	char buff[1024];
+
+	conf.get("theme", "background", buff, sizeof(buff));
+	et->background.printf("%s/%s", directory, buff);
+
+	conf.get("theme", "panel", buff, sizeof(buff));
+	et->panel.printf("%s/%s", directory, buff);
+
+	conf.get("theme", "panel_x", et->panel_x, 5);
+	conf.get("theme", "panel_y", et->panel_y, 5);
+
+	ThemeBox* info = new ThemeBox;
+
+	conf.get("theme", "info_x", info->x, 5);
+	conf.get("theme", "info_y", info->y, 5);
+	conf.get("theme", "info_width", info->w, 5);
+	conf.get("theme", "info_height", info->h, 5);
+	conf.get("theme", "info_color", info->font_color, 255); // FL_WHITE default
+	conf.get("theme", "info_font_size", info->font_size, 12);
+	if(conf.get("theme", "info_text", buff, sizeof(buff)))
+		info->label = new edelib::String(buff);
+	else
+		info->label = NULL;
+
+	et->info = info;
+
+	ThemeBox* user = new ThemeBox;
+
+	conf.get("theme", "username_x", user->x, 10);
+	conf.get("theme", "username_y", user->y, 10);
+	conf.get("theme", "username_width", user->w, 95);
+	conf.get("theme", "username_height", user->h, 25);
+	conf.get("theme", "username_color", user->font_color, 255); // FL_WHITE default
+	conf.get("theme", "username_font_size", user->font_size, 12);
+	if(conf.get("theme", "username_text", buff, sizeof(buff))) {
+		user->label = new edelib::String(buff);
+		// append few spaces
+		*(user->label) += "   ";
+	} else
+		user->label = NULL;
+
+	et->user = user;
+
+	ThemeBox* pass = new ThemeBox;
+
+	conf.get("theme", "password_x", pass->x, 50);
+	conf.get("theme", "password_y", pass->y, 50);
+	conf.get("theme", "password_width", pass->w, 95);
+	conf.get("theme", "password_height", pass->h, 25);
+	conf.get("theme", "password_color", pass->font_color, 255); // FL_WHITE default
+	conf.get("theme", "password_font_size", pass->font_size, 12);
+	if(conf.get("theme", "password_text", buff, sizeof(buff))) {
+		pass->label = new edelib::String(buff);
+		// append few spaces
+		*(pass->label) += "   ";
+	} else
+		pass->label = NULL;
+
+	et->pass = pass;
+
+	ThemeBox* error = new ThemeBox;
+
+	conf.get("theme", "error_x", error->x, 30);
+	conf.get("theme", "error_y", error->y, 30);
+	conf.get("theme", "error_width", error->w, 100);
+	conf.get("theme", "error_height", error->h, 25);
+	conf.get("theme", "error_color", error->font_color, 255); // FL_WHITE default
+	conf.get("theme", "error_font_size", error->font_size, 12); // FL_WHITE default
+	error->label = NULL;
+
+	et->error = error;
+
+	return et;
+}
+
+void elma_theme_clear(ElmaTheme* et) {
+	if(!et)
+		return;
+
+	if(et->info) {
+		delete et->info->label;
+		delete et->info;
+	}
+
+	if(et->user) {
+		delete et->user->label;
+		delete et->user;
+	}
+
+	if(et->pass) {
+		delete et->pass->label;
+		delete et->pass;
+	}
+
+	delete et->error;
+	delete et;
+}

elma/Theme.h

@@ -0,0 +1,41 @@
+/*
+ * $Id$
+ *
+ * ELMA, Ede Login MAnager
+ * Part of Equinox Desktop Environment (EDE).
+ * Copyright (c) 2008 EDE Authors.
+ *
+ * This program is licensed under terms of the 
+ * GNU General Public License version 2 or newer.
+ * See COPYING for details.
+ */
+
+#ifndef __THEME_H__
+#define __THEME_H__
+
+#include <edelib/String.h>
+
+struct ThemeBox {
+	int x, y, w, h;
+	int font_color;
+	int font_size;
+	edelib::String* label;
+};
+
+struct ElmaTheme {
+	ThemeBox* info;
+	ThemeBox* user;
+	ThemeBox* pass;
+	ThemeBox* error;
+
+	int panel_x;
+	int panel_y;
+	edelib::String panel;
+
+	edelib::String background;
+};
+
+ElmaTheme* elma_theme_init(const char* directory);
+void       elma_theme_clear(ElmaTheme* et);
+
+#endif

elma/elma.conf

@@ -1,7 +1,7 @@
 [elma]
 
 # path for X server
-default_xserver = /usr/X11R6/bin/X
+xserver = /usr/X11R6/bin/X
 
 # commands for login and halt
 halt   = /sbin/shutdown -h now
@@ -26,3 +26,6 @@ theme = default
 
 # enable/disable NumLock (1/0, true/false)
 numlock = true
+
+# enable/disable cursor
+cursor = true

elma/elma.cpp

@@ -11,14 +11,21 @@
  */
 
 #include <stdio.h>
+
+#if 0
 #include <string.h>
 #include <FL/x.h>
 #include <FL/Fl.h>
 #include <edelib/String.h>
+#include <edelib/Config.h>
+
 #include "Background.h"
 #include "TextArea.h"
 #include "ElmaWindow.h"
 #include "NumLock.h"
+#endif
+
+#include "ElmaService.h"
 
 #define CHECK_ARGV(argv, pshort, plong) ((strcmp(argv, pshort) == 0) || (strcmp(argv, plong) == 0))
 
@@ -29,6 +36,7 @@ void help(void) {
 	puts("Options:");
 	puts("  -h, --help            this help");
 	puts("  -c, --config [FILE]   use FILE as config file");
+	puts("  -d, --daemon          daemon mode");
 	puts("  -t, --test            test mode for theme preview (assume X server is running)\n");
 }
 
@@ -44,6 +52,7 @@ const char* next_param(int curr, char** argv, int argc) {
 int main(int argc, char** argv) {
 	const char* config_file = NULL;
 	bool test_mode = false;
+	bool daemon_mode = false;
 
 	if(argc > 1) {
 		const char* a;
@@ -59,6 +68,8 @@ int main(int argc, char** argv) {
 					return 1;
 				}
 				i++;
+			} else if(CHECK_ARGV(a, "-d", "--daemon")) {
+				daemon_mode = true;
 			} else if(CHECK_ARGV(a, "-t", "--test")) {
 				test_mode = true;
 			} else {
@@ -68,24 +79,19 @@ int main(int argc, char** argv) {
 		}
 	}
 
-	fl_open_display();
+	ElmaService* service = ElmaService::instance();
 
-	int dx, dy, dw, dh;
-	Fl::screen_xywh(dx, dy, dw, dh);
-
-	numlock_xkb_init(fl_display);
-
-	ElmaWindow* win = new ElmaWindow(dw, dh);
-	if(!win->load_everything()) {
-		delete win;
+	if(!service->load_config()) {
+		puts("Unable to load config file");
 		return 1;
 	}
 
-	win->clear_border();
-	win->show();
-	win->cursor(FL_CURSOR_NONE);
+	if(!service->load_theme()) {
+		puts("Unable to load theme file");
+		return 1;
+	}
 
-	numlock_off(fl_display);
+	service->display_window();
 
-	return Fl::run();
+	return 0;
 }

elma/themes/default/elma.theme

@@ -0,0 +1,52 @@
+#
+# Default theme inspired with one of the SLiM themes.
+#
+# Shows usage when username and password box are at the
+# same x/y positions.
+#
+# Blame Sanel for this...
+
+[theme]
+
+# background image
+background = background.jpg
+
+# panel image
+panel = panel.png
+panel_x = 235
+panel_y = 489
+
+# info box
+info_x = 10
+info_y = 10
+info_width = 484
+info_height = 28
+info_text = Welcome to EDE 2.0
+info_color = 12
+info_font_size = 12
+
+# username box
+username_x = 240
+username_y = 489
+username_width = 184
+username_height = 30
+username_color = 12
+username_font_size = 12
+username_text = Username:
+
+# password box
+password_x = 240
+password_y = 489
+password_width = 184
+password_height = 30
+password_color = 12
+password_font_size = 12
+password_text = Password:
+
+# error box
+error_x = 240
+error_y = 520
+error_width = 184
+error_height = 28
+error_font_size = 12
+error_color = 12

elma/themes/sky/elma.theme

@@ -0,0 +1,50 @@
+#
+# sky theme
+#
+# Shows usage when username and password box have
+# different x/y positions and are given without labels.
+#
+# Blame Sanel for this...
+
+[theme]
+
+# background image
+background = background.jpg
+
+# panel image
+panel = panel.png
+panel_x = 347
+panel_y = 251
+
+# info box
+info_x = 10
+info_y = 10
+info_width = 484
+info_height = 28
+info_text = Welcome to EDE 2.0
+info_color = 12
+info_font_size = 12
+
+# username box
+username_x = 418
+username_y = 379
+username_width = 184
+username_height = 30
+username_color = 12
+username_font_size = 12
+
+# password box
+password_x = 418
+password_y = 431
+password_width = 184
+password_height = 30
+password_color = 12
+password_font_size = 12
+
+# error box
+error_x = 418
+error_y = 471
+error_width = 184
+error_height = 28
+error_font_size = 14
+error_color = 12