legacy/experimental/ecdb/trunk/src/ecdb_gui.c

#include "ecdb.h"

static void ecdb_handle_typebuf(Evas_Object *gui);
static void ecdb_cb_controls_focused(void *data, Evas_Object *o,
		const char *emission, const char *source);
static void ecdb_cb_welcome_page_buttons_clicked(void *data, Evas_Object *o,
		const char *emission, const char *source);
static void ecdb_cb_erase_page_buttons_clicked(void *data, Evas_Object *o,
		const char *emission, const char *source);
static void ecdb_cb_page_hide_finished(void *data, Evas_Object *o,
		const char *emission, const char *source);
static void ecdb_filelist_show(void);
static void ecdb_welcome_page_show(void);
static void ecdb_erase_page_show(void);
static void ecdb_page_hide(const char *pname);

static void
ecdb_cb_enter(Ecore_Evas *ee)
{
	Evas_Object *gui;
	gui = evas_object_name_find(ecore_evas_get(ee), "gui");
	edje_object_signal_emit(gui, "ecdb,window,enter", "ecdb");
}

static void
ecdb_cb_leave(Ecore_Evas *ee)
{
	Evas_Object *gui;
	gui = evas_object_name_find(ecore_evas_get(ee), "gui");
	edje_object_signal_emit(gui, "ecdb,window,exit", "ecdb");
}

static void
ecdb_cb_resize(Ecore_Evas *ee)
{
	int w, h;
	Evas_Object *gui;

	ecore_evas_geometry_get(ee, NULL, NULL, &w, &h);
	gui = evas_object_name_find(ecore_evas_get(ee), "gui");
	evas_object_resize(gui, w, h);
}

static void
_cb_filelist_mouse_down(void *data, Evas *e __UNUSED__, Evas_Object *eo,
						void *ev_data __UNUSED__)
{
	Evas_Object *gui = data;
	evas_object_focus_set(eo, TRUE);

	edje_object_signal_emit(gui, "ecdb,filelist_overlay,deactivate",
								"ecdb");
	edje_object_part_text_set(gui, "filelist_overlay_text", NULL);

}

static void
_cb_filelist_key_down(void *data, Evas *e __UNUSED__,
				Evas_Object *eo __UNUSED__, void *ev_data)
{
	Evas_Event_Key_Down *ek = ev_data;
	Evas_Object *gui = data;

	if (!strcmp(ek->key, "Escape"))
	{
		edje_object_signal_emit(gui,
				"ecdb,filelist_overlay,deactivate", "ecdb");
		edje_object_part_text_set(gui, "filelist_overlay_text", NULL);
	}

	else if (!strcmp(ek->key, "Return"))
	{
		ecdb_handle_typebuf(gui);
	}

	else if (!strcmp(ek->key, "BackSpace"))
	{
		int len;
		const char *t;
		char *text;

		t = edje_object_part_text_get(gui, "filelist_overlay_text");
		text = (t) ? (strdup(t)) : NULL;

		if ((!text) || (!*text)) return;

		len = strlen(text);
		text = realloc(text, len);
		text[len - 1] = '\0';

		if (len == 1)
			edje_object_signal_emit(gui,
					"ecdb,filelist_overlay,deactivate",
					"ecdb");
		edje_object_part_text_set(gui, "filelist_overlay_text",	text);
		FREE(text);
	}

	else 
	{
		int len;
		const char *t, *append;
		char *text;

		t = edje_object_part_text_get(gui, "filelist_overlay_text");

		text = (t) ? (strdup(t)) : NULL;

		if ((text) && (strlen(text) >= PATH_MAX))
			return;

		if ((ek->string) && (*ek->string) && (!ek->string[1]))
			append = ek->string;
		else if ((ek->keyname) && (*ek->keyname) && (!ek->key[1]))
			append = ek->keyname;
		else
		{
			if (text)
				free(text);
			return;
		}

		if (!text)
			text = strdup(append);
		else
		{
			len = strlen(text) + 2;
			text = realloc(text, len);
			ecore_strlcat(text, append, len);
		}
		
		/* Avoid sending the same signal twice... seems to skip the
		 * transition in that case
		 */
		if (strlen(text) == 1)
			edje_object_signal_emit(gui,
					"ecdb,filelist_overlay,activate",
					"ecdb");
		edje_object_part_text_set(gui, "filelist_overlay_text",	text);

		free(text);
	}
}

int
ecdb_create_main_gui(void)
{
	Evas_Object *gui;
	Evas_Coord mw, mh;

	em->main_win_ee = ecore_evas_software_x11_new(0, 0, 0, 0, 255, 255);

	if (!em->main_win_ee)
	{
		printf("Cannot create main window!\n");
		return FALSE;
	}

	ecore_evas_title_set(em->main_win_ee, "ECDB");
	ecore_evas_name_class_set(em->main_win_ee, "ECDB", "ECDB");

	ecore_evas_callback_delete_request_set(em->main_win_ee, ecdb_shutdown);
	ecore_evas_callback_destroy_set(em->main_win_ee, ecdb_shutdown);

	ecore_evas_callback_mouse_in_set(em->main_win_ee, ecdb_cb_enter);
	ecore_evas_callback_mouse_out_set(em->main_win_ee, ecdb_cb_leave);
	ecore_evas_callback_resize_set(em->main_win_ee, ecdb_cb_resize);

	edje_frametime_set(1.0 / 60.0);
	ecore_evas_show(em->main_win_ee);

	/* Make this configurable at some point */
	ecdb_set_main_theme(NULL);

	gui = edje_object_add(ecore_evas_get(em->main_win_ee));
	edje_object_file_set(gui, em->theme_path, "ecdb/window");
	edje_object_size_min_get(gui, &mw, &mh);
	if (mw <= 0) mw = 400;
	if (mh <= 0) mh = 300;
	evas_object_resize(gui, mw, mh);
	ecore_evas_resize(em->main_win_ee, mw, mh);
	ecore_evas_size_min_set(em->main_win_ee, mw, mh);
	evas_object_name_set(gui, "gui");
	evas_object_move(gui, 0, 0);
	evas_object_show(gui);

	ecdb_welcome_page_show();
	return TRUE;
}

/* This needs some work.  Where should user themes go? */
void
ecdb_set_main_theme(const char *theme_name)
{
	if (!theme_name)
	{
		snprintf(em->theme_path, PATH_MAX, "%s/%s", PACKAGE_DATA_DIR,
						"themes/default.edj");
		evas_font_path_append(ecore_evas_get(em->main_win_ee),
						PACKAGE_DATA_DIR"/font");
	}
}

void
ecdb_handle_typebuf(Evas_Object *gui)
{
	Ewl_Widget *fl;
	Ewl_Filelist_Filter *filter;
	const char *ext;

	if (!(ext = edje_object_part_text_get(gui,
					"filelist_overlay_text")))
		return;
	
	fl = ewl_widget_name_find("main_filelist");
	
	/* Check for a 'cd' first */
	if (!ecdb_match_keyword(ext, "cd", 2))
	{
		char *dir;

		/* What to do about multi-word directories? */
		dir = ecdb_strip_string(ext);

		if ((dir) && (dir[0] == '/'))
		{
			if (ecore_file_exists(dir))
				ewl_filelist_directory_set(EWL_FILELIST(fl),
						dir);
		}
		else if (dir[0] == '~')
		{
			char path[PATH_MAX];

			snprintf(path, PATH_MAX, "%s%s", getenv("HOME"),
					&dir[1]);

			if (ecore_file_exists(path))
				ewl_filelist_directory_set(EWL_FILELIST(fl),
						path);
		}
		else if (dir)
		{
			/* Try to concate it to our current directory */
			char path[PATH_MAX];

			snprintf(path, PATH_MAX, "%s/%s",
					ewl_filelist_directory_get
						(EWL_FILELIST(fl)), dir);

			if (ecore_file_exists(path))
				ewl_filelist_directory_set(EWL_FILELIST(fl),
						path);
		}

		if (dir)
			free(dir);

		edje_object_signal_emit(gui, "ecdb,filelist_overlay,"
				"deactivate", "ecdb");
		edje_object_part_text_set(gui, "filelist_overlay_text",
				NULL);
		return;
	}
	else if (!ecdb_match_keyword(ext, "exit", 4))
	{
		/* This creates an ewl error... */
		ecore_event_add(ECORE_EVENT_SIGNAL_EXIT, NULL, NULL, NULL);
		return;
	}
	
	filter = ewl_filelist_filter_get(EWL_FILELIST(fl));
	if (!filter)
		filter = calloc(sizeof(Ewl_Filelist_Filter), 1);
	
	if (filter->extension)
	{
		if (strcmp(filter->extension, ext))
		{
			FREE(filter->extension);
		}
		else
			return;
	}
	
	filter->extension = strdup(ext);
	ewl_filelist_filter_set(EWL_FILELIST(fl), filter);
	ewl_filelist_refresh(EWL_FILELIST(fl));
	edje_object_signal_emit(gui, "ecdb,filelist_overlay,deactivate",
								"ecdb");
	edje_object_part_text_set(gui, "filelist_overlay_text", NULL);
}


static void
ecdb_cb_controls_focused(void *data, Evas_Object *o,
				const char *emission, const char *source)
{
	static char *old_source;
	Evas_Object *unsel;

	if ((old_source) && (strcmp(old_source, source)))
	{
		unsel = evas_object_name_find(ecore_evas_get(em->main_win_ee),
				old_source);
		edje_object_signal_emit(unsel, "ecdb,focus,out", "ecdb");
		free(old_source);
		old_source = strdup(source);
	}
	else if (!old_source)
		old_source = strdup(source);
}

static void
ecdb_cb_welcome_page_buttons_clicked(void *data, Evas_Object *o,
				const char *emission, const char *source)
{
	Evas_Object *swallow, *gui;

	gui = evas_object_name_find(ecore_evas_get(em->main_win_ee), "gui");
	swallow = evas_object_name_find(ecore_evas_get(em->main_win_ee),
			"main_filelist");

	/* Actually get this to do some stuff, instead of just for show like
	 * now
	 */
	if (!strcmp(source, "ecdb/burn_data"))
		ecdb_filelist_show();
	else if (!strcmp(source, "ecdb/erase"))
	{
		swallow = evas_object_name_find(ecore_evas_get(em->main_win_ee),
				"welcome_page");
		edje_object_signal_emit(swallow, "ecdb,welcome_page,hide",
				"ecdb");
		ecdb_erase_page_show();
	}
	else if (swallow)
		edje_object_signal_emit(gui, "ecdb,filelist,hide", "ecdb");

	printf("Action: %s\n", source);
}

static void
ecdb_cb_erase_page_buttons_clicked(void *data, Evas_Object *o,
				const char *emission, const char *source)
{
	Evas_Object *swallow, *gui;
	static int speed;

	gui = evas_object_name_find(ecore_evas_get(em->main_win_ee), "gui");
	swallow = evas_object_name_find(ecore_evas_get(em->main_win_ee),
							"erase_page");
	if (!strcmp(source, "ecdb/erase/return"))
	{
		char *signal;

		signal = evas_object_data_get(swallow, "hide_signal");
		edje_object_signal_emit(swallow, signal, "ecdb");
		ecdb_welcome_page_show();
	}
	else if (!strcmp(source, "ecdb/erase/begin"))
	{
		int speed;
		Ecdb_Erase_Project *proj;
		proj = ecdb_erase_project_new();
		char buf[1024];

		snprintf(buf, sizeof(buf), "Commencing...");
		edje_object_part_text_set(swallow, "progress_text", buf);
		if (!ecdb_aquire_drive(ECDB_PROJECT(proj), 0))
		{
			printf("Couldn't grab drive!\n");
			ecdb_erase_project_destroy(proj);
			snprintf(buf, sizeof(buf), "Couldn't grab drive!");
			edje_object_part_text_set(swallow, "progress_text", buf);
			return;
		}

		if (!ecdb_erase_disc(proj))
		{
			printf("Couldn't begin burn!\n");
			ecdb_erase_project_destroy(proj);
			snprintf(buf, sizeof(buf), "Disc not erasable!");
			edje_object_part_text_set(swallow, "progress_text", buf);
			return;
		}

		proj->quick = speed;

		/* I need to find a better way to do this...
		 * Its pretty easy, but a lot more theming work
		 */
		edje_object_signal_emit(swallow, "ecdb,erase,start", "ecdb");

		/* 1) Disable buttons...
		 * 2) Start erase
		 * 3) Grab a drive
		 * 4) Start burn
		 * 5) Set up progress callback
		 */


	}
	else if (!strcmp(source, "ecdb/erase/speed"))
	{
		speed = !speed;
		printf("Burn speed: %d\n", speed);
	}

	printf("Action: %s\n", source);
}

static void
ecdb_welcome_page_show(void)
{
	Evas_Object *gui, *swallow;

	gui = evas_object_name_find(ecore_evas_get(em->main_win_ee), "gui");
	swallow = evas_object_name_find(ecore_evas_get(em->main_win_ee),
			"welcome_page");

	if (!swallow)
	{
		Evas_Coord x, y, w, h;

		swallow = edje_object_add(ecore_evas_get(em->main_win_ee));
		evas_object_name_set(swallow, "welcome_page");
		edje_object_file_set(swallow, em->theme_path,
				"ecdb/welcome_page");
		edje_object_part_geometry_get(gui, "active_area",
				&x, &y, &w, &h);
		evas_object_move(swallow, x, y);
		evas_object_resize(swallow, w, h);
		edje_object_part_swallow(gui, "action_area", swallow);
		edje_object_signal_callback_add(swallow, "mouse,down,1",
				"ecdb/*", ecdb_cb_controls_focused,
			        NULL);
		edje_object_signal_callback_add(swallow, "mouse,clicked,1",
				"ecdb/*", ecdb_cb_welcome_page_buttons_clicked,
				NULL);
		edje_object_signal_callback_add(swallow, "hide,finished",
				"welcome_page",	ecdb_cb_page_hide_finished,
				NULL);
		evas_object_show(swallow);

		Evas_Object *b;
		int i;
		char *labels[] = {"Burn Data CD", "Burn Audio CD",
				"Burn Image", "Erase Re-writable Disc"};
		char *ids[] = {"ecdb/burn_data", "ecdb/burn_audio",
				"ecdb/burn_image", "ecdb/erase"};
		for (i = 0; i < 4; i++)
		{
			b = edje_object_add(ecore_evas_get(em->main_win_ee));
			evas_object_name_set(b, ids[i]);
			edje_object_file_set(b, em->theme_path, "ecdb/button");
			edje_object_part_geometry_get(swallow, ids[i], &x,
					&y, &w, &h);
			edje_object_part_text_set(b, "label", labels[i]);
			evas_object_move(b, x, y);
			evas_object_resize(b, w, h);
			edje_object_part_swallow(swallow, ids[i], b);
			evas_object_show(b);
	
			/* Place this after */
			ecdb_button_icon_swallow(ecore_evas_get
					(em->main_win_ee), b, ids[i]);
		}
	}

	else if (edje_object_part_swallow_get(gui, "action_area") != swallow)
	{
		/* All that is needed here? */
		edje_object_part_swallow(gui, "action_area", swallow);
		evas_object_show(swallow);
	}

	edje_object_signal_emit(gui, "ecdb,welcome_page,show", "ecdb");
	edje_object_signal_emit(swallow, "ecdb,welcome_page,show", "ecdb");
}

static void
ecdb_filelist_show(void)
{
	Evas_Object *gui, *swallow;

	gui = evas_object_name_find(ecore_evas_get(em->main_win_ee), "gui");
	swallow = evas_object_name_find(ecore_evas_get(em->main_win_ee),
			"main_filelist");
	
	if (!swallow)
	{
		Evas_Coord x, y, w, h;
		Ewl_Widget *embed, *filelist;

		embed = ewl_embed_new();
		ewl_object_fill_policy_set(EWL_OBJECT(embed),
				EWL_FLAG_FILL_ALL);
		swallow = ewl_embed_canvas_set(EWL_EMBED(embed),
				ecore_evas_get(em->main_win_ee),
				(void *)(long)ecore_evas_software_x11_window_get
					(em->main_win_ee));
		ewl_embed_focus_set(EWL_EMBED(embed), TRUE);
		ewl_widget_show(embed);

		filelist = ewl_filelist_new();
		ewl_widget_name_set(EWL_WIDGET(filelist), "main_filelist");
		ewl_container_child_append(EWL_CONTAINER(embed), filelist);
		ewl_filelist_directory_set(EWL_FILELIST(filelist),
				getenv("HOME"));
		ewl_widget_show(filelist);
	
		edje_object_part_geometry_get(gui, "filelist", &x, &y, &w, &h);
		evas_object_name_set(swallow, "main_filelist");
		evas_object_move(swallow, x, y);
		evas_object_resize(swallow, w, h);
		edje_object_part_swallow(gui, "filelist", swallow);
		evas_object_event_callback_add(swallow,
				EVAS_CALLBACK_MOUSE_DOWN,
				_cb_filelist_mouse_down, gui);
		evas_object_event_callback_add(swallow, EVAS_CALLBACK_KEY_DOWN,
				_cb_filelist_key_down, gui);
		evas_object_show(swallow);
	}

	/* Assume here that it is the active projects job to hide itself and
	 * call this show function
	 */
	else if (edje_object_part_swallow_get(gui, "filelist") != swallow)
	{
		/* Is this all that is neccessary? */
		edje_object_part_swallow(gui, "filelist", swallow);
		evas_object_show(swallow);
	}

	edje_object_signal_emit(gui, "ecdb,filelist,visible", "ecdb");
	edje_object_signal_emit(swallow, "ecdb,filelist,visible", "ecdb");
}


/* This should be triggered by the theme, once it is done with its
 * nice fancy animations
 */
static void
ecdb_page_hide(const char *pname)
{
	Evas_Object *swallow, *gui;

	swallow = evas_object_name_find(ecore_evas_get(em->main_win_ee), pname);
	gui = evas_object_name_find(ecore_evas_get(em->main_win_ee), "gui");

	if (gui)
	{
		edje_object_part_unswallow(gui, swallow);
		evas_object_hide(swallow);
	}
}

static void
ecdb_erase_page_show(void)
{
	Evas_Object *swallow, *gui;

	gui = evas_object_name_find(ecore_evas_get(em->main_win_ee), "gui");
	swallow = evas_object_name_find(ecore_evas_get(em->main_win_ee),
			"erase_page");

	/* Hide the filelist as it isn't needed to erase a disc */
	edje_object_signal_emit(gui, "ecdb,filelist,hide", "ecdb");

	if (!swallow)
	{
		Evas_Coord x, y, w, h;

		swallow = edje_object_add(ecore_evas_get(em->main_win_ee));
		edje_object_file_set(swallow, em->theme_path,
				"ecdb/erase_page");
		evas_object_name_set(swallow, "erase_page");
		evas_object_data_set(swallow, "hide_signal",
				"ecdb,erase_page,hide");
		edje_object_part_geometry_get(gui, "active_area",
				&x, &y, &w, &h);
		evas_object_move(swallow, x, y);
		evas_object_resize(swallow, w, h);
		edje_object_part_swallow(gui, "action_area", swallow);
		evas_object_show(swallow);
		edje_object_signal_callback_add(swallow, "mouse,down,1",
				"ecdb/*", ecdb_cb_controls_focused,
			        NULL);
		edje_object_signal_callback_add(swallow, "mouse,clicked,1",
				"ecdb/erase/*",
				ecdb_cb_erase_page_buttons_clicked, NULL);
		edje_object_signal_callback_add(swallow, "hide,finished",
				"erase_page", ecdb_cb_page_hide_finished,
				NULL);
		evas_object_show(swallow);

		int i;
		char *labels[] = {"Return to Main Page", "Start Erase",
				  "Quick Erase"};
		char *ids[] = {"ecdb/erase/return", "ecdb/erase/begin",
			       "ecdb/erase/speed"};
		char *wtype[] = {"ecdb/button", "ecdb/button", "ecdb/check"};

		for (i = 0; i < 3; i++)
		{
			Evas_Object *b;
			b = edje_object_add(ecore_evas_get(em->main_win_ee));
			evas_object_name_set(b, ids[i]);
			edje_object_file_set(b, em->theme_path, wtype[i]);
			edje_object_part_geometry_get(swallow, ids[i], &x,
					&y, &w, &h);
			evas_object_move(b, x, y);
			evas_object_resize(b, w, h);
			edje_object_part_text_set(b, "label", labels[i]);
			edje_object_part_swallow(swallow, ids[i], b);
			evas_object_show(b);

			if (!strcmp("ecdb/button", wtype[i]))
				ecdb_button_icon_swallow(ecore_evas_get(
						em->main_win_ee), b, ids[i]);
		}
	}

	else if (edje_object_part_swallow_get(gui, "action_area") != swallow)
	{
		edje_object_part_swallow(gui, "action_area", swallow);
		evas_object_show(swallow);
	}

	edje_object_signal_emit(gui, "ecdb,erase_page,visible", "ecdb");
	edje_object_signal_emit(swallow, "ecdb,erase_page,visible", "ecdb");
}

/* Hurrah! Fancyness */
static void
ecdb_cb_page_hide_finished(void *data, Evas_Object *o, const char *emission,
							const char *source)
{
	ecdb_page_hide(source);
}