preferences.c

Gqview,Linux下基于GTK+库写成的轻量级而能丰富的图像浏览程序。

/*
 * GQview
 * (C) 2004 John Ellis
 *
 * Author: John Ellis
 *
 * This software is released under the GNU General Public License (GNU GPL).
 * Please read the included file COPYING for more information.
 * This software comes with no warranty of any kind, use at your own risk!
 */


#include "gqview.h"
#include "preferences.h"

#include "cache_maint.h"
#include "editors.h"
#include "filelist.h"
#include "fullscreen.h"
#include "image.h"
#include "img-view.h"
#include "layout_config.h"
#include "layout_util.h"
#include "pixbuf_util.h"
#include "slideshow.h"
#include "utilops.h"
#include "ui_fileops.h"
#include "ui_misc.h"
#include "ui_tabcomp.h"
#include "ui_utildlg.h"

#include "icons/config.xpm"

#include <math.h>


#define EDITOR_NAME_MAX_LENGTH 32
#define EDITOR_COMMAND_MAX_LENGTH 1024


typedef struct _ThumbSize ThumbSize;
struct _ThumbSize
{
	gint w;
	gint h;
};

static ThumbSize thumb_size_list[] =
{
	{ 24, 24 },
	{ 32, 32 },
	{ 48, 48 },
	{ 64, 64 },
	{ 96, 72 },
	{ 96, 96 },
	{ 128, 96 },
	{ 128, 128 },
	{ 160, 120 },
	{ 160, 160 },
	{ 192, 144 },
	{ 192, 192 },
	{ 256, 192 },
	{ 256, 256 }
};

enum {
	FE_ENABLE,
	FE_EXTENSION,
	FE_DESCRIPTION
};

/* config memory values */
static gint startup_path_enable_c;
static gint confirm_delete_c;
static gint enable_delete_key_c;
static gint safe_delete_enable_c;
static gint safe_delete_size_c;
static gint restore_tool_c;
static gint save_window_positions_c;
static gint zoom_mode_c;
static gint two_pass_zoom_c;
static gint fit_window_c;
static gint limit_window_size_c;
static gint zoom_to_fit_expands_c;
static gint max_window_size_c;
static gint progressive_key_scrolling_c;
static gint thumb_max_width_c;
static gint thumb_max_height_c;
static gint enable_thumb_caching_c;
static gint enable_thumb_dirs_c;
static gint thumbnail_fast_c;
#if 0
static gint use_xvpics_thumbnails_c;
#endif
static gint thumbnail_spec_standard_c;
static gint enable_metadata_dirs_c;
static gint show_dot_files_c;
static gint file_filter_disable_c;
static gint file_sort_case_sensitive_c;
static gint slideshow_delay_c;
static gint slideshow_random_c;
static gint slideshow_repeat_c;

static gint mousewheel_scrolls_c;

static gint enable_in_place_rename_c;

static gint collection_rectangular_selection_c;

static gint tile_cache_max_c;

static gint thumbnail_quality_c;
static gint zoom_quality_c;

static gint zoom_increment_c;

static gint enable_read_ahead_c;

static gint black_window_background_c;

static gint fullscreen_screen_c;
static gint fullscreen_clean_flip_c;
static gint fullscreen_disable_saver_c;
static gint fullscreen_above_c;

static gint dupe_custom_threshold_c;

static GtkWidget *configwindow = NULL;
static GtkWidget *startup_path_entry;
static GtkListStore *filter_store = NULL;
static GtkWidget *editor_name_entry[GQVIEW_EDITOR_SLOTS];
static GtkWidget *editor_command_entry[GQVIEW_EDITOR_SLOTS];

static GtkWidget *layout_widget;

static GtkWidget *safe_delete_path_entry;

static gint tree_descend_subdirs_c;

static gint update_on_time_change_c;
static gint exif_rotate_enable_c;


/*
 *-----------------------------------------------------------------------------
 * option widget callbacks (private)
 *-----------------------------------------------------------------------------
 */ 

static void startup_path_set_current(GtkWidget *widget, gpointer data)
{
	gtk_entry_set_text(GTK_ENTRY(startup_path_entry), layout_get_path(NULL));
}

static void zoom_mode_original_cb(GtkWidget *widget, gpointer data)
{
	if (GTK_TOGGLE_BUTTON (widget)->active)
		zoom_mode_c = ZOOM_RESET_ORIGINAL;
}

static void zoom_mode_fit_cb(GtkWidget *widget, gpointer data)
{
	if (GTK_TOGGLE_BUTTON (widget)->active)
		zoom_mode_c = ZOOM_RESET_FIT_WINDOW;
}

static void zoom_mode_none_cb(GtkWidget *widget, gpointer data)
{
	if (GTK_TOGGLE_BUTTON (widget)->active)
		zoom_mode_c = ZOOM_RESET_NONE;
}

static void zoom_increment_cb(GtkWidget *spin, gpointer data)
{
	zoom_increment_c = (gint)(gtk_spin_button_get_value(GTK_SPIN_BUTTON(spin)) * 10.0 + 0.01);
}

static void slideshow_delay_cb(GtkWidget *spin, gpointer data)
{
	slideshow_delay_c = (gint)(gtk_spin_button_get_value(GTK_SPIN_BUTTON(spin)) *
				   (double)SLIDESHOW_SUBSECOND_PRECISION + 0.01);
}

/*
 *-----------------------------------------------------------------------------
 * sync progam to config window routine (private)
 *-----------------------------------------------------------------------------
 */ 

static void config_window_apply(void)
{
	const gchar *buf;
	gchar *l_conf;
	gint new_style;
	gint i;
	gint refresh = FALSE;

	for(i = 0; i < GQVIEW_EDITOR_SLOTS; i++)
		{
		g_free(editor_name[i]);
		editor_name[i] = NULL;
		buf = gtk_entry_get_text(GTK_ENTRY(editor_name_entry[i]));
		if (buf && strlen(buf) > 0) editor_name[i] = g_strdup(buf);

		g_free(editor_command[i]);
		editor_command[i] = NULL;
		buf = gtk_entry_get_text(GTK_ENTRY(editor_command_entry[i]));
		if (buf && strlen(buf) > 0) editor_command[i] = g_strdup(buf);
		}
	layout_edit_update_all();

	g_free(startup_path);
	startup_path = NULL;
	buf = gtk_entry_get_text(GTK_ENTRY(startup_path_entry));
	if (buf && strlen(buf) > 0) startup_path = remove_trailing_slash(buf);

	g_free(safe_delete_path);
	safe_delete_path = NULL;
	buf = gtk_entry_get_text(GTK_ENTRY(safe_delete_path_entry));
	if (buf && strlen(buf) > 0) safe_delete_path = remove_trailing_slash(buf);

	if (show_dot_files != show_dot_files_c) refresh = TRUE;
	if (file_sort_case_sensitive != file_sort_case_sensitive_c) refresh = TRUE;
	if (file_filter_disable != file_filter_disable_c) refresh = TRUE;

	startup_path_enable = startup_path_enable_c;
	confirm_delete = confirm_delete_c;
	enable_delete_key = enable_delete_key_c;
	safe_delete_enable = safe_delete_enable_c;
	safe_delete_size = safe_delete_size_c;
	restore_tool = restore_tool_c;
	save_window_positions = save_window_positions_c;
	zoom_mode = zoom_mode_c;
	two_pass_zoom = two_pass_zoom_c;
	fit_window = fit_window_c;
	limit_window_size = limit_window_size_c;
	zoom_to_fit_expands = zoom_to_fit_expands_c;
	max_window_size = max_window_size_c;
	progressive_key_scrolling = progressive_key_scrolling_c;
	thumb_max_width = thumb_max_width_c;
	thumb_max_height = thumb_max_height_c;
	enable_thumb_caching = enable_thumb_caching_c;
	enable_thumb_dirs = enable_thumb_dirs_c;
	thumbnail_fast = thumbnail_fast_c;
#if 0
	use_xvpics_thumbnails = use_xvpics_thumbnails_c;
#endif
	thumbnail_spec_standard = thumbnail_spec_standard_c;
	enable_metadata_dirs = enable_metadata_dirs_c;
	show_dot_files = show_dot_files_c;
	file_sort_case_sensitive = file_sort_case_sensitive_c;
	file_filter_disable = file_filter_disable_c;

	slideshow_random = slideshow_random_c;
	slideshow_repeat = slideshow_repeat_c;
	slideshow_delay = slideshow_delay_c;

	mousewheel_scrolls = mousewheel_scrolls_c;

	enable_in_place_rename = enable_in_place_rename_c;

	collection_rectangular_selection = collection_rectangular_selection_c;

	tile_cache_max = tile_cache_max_c;

	thumbnail_quality = thumbnail_quality_c;
	zoom_quality = zoom_quality_c;

	zoom_increment = zoom_increment_c;

	enable_read_ahead = enable_read_ahead_c;

	if (black_window_background != black_window_background_c)
		{
		black_window_background = black_window_background_c;

		layout_colors_update();
		view_window_colors_update();
		}

	fullscreen_screen = fullscreen_screen_c;
	fullscreen_clean_flip = fullscreen_clean_flip_c;
	fullscreen_disable_saver = fullscreen_disable_saver_c;
	fullscreen_above = fullscreen_above_c;

	update_on_time_change = update_on_time_change_c;
	exif_rotate_enable = exif_rotate_enable_c;

	dupe_custom_threshold = dupe_custom_threshold_c;

	tree_descend_subdirs = tree_descend_subdirs_c;

	l_conf = layout_config_get(layout_widget, &new_style);

	if (new_style != layout_style ||
	    (l_conf == NULL) != (layout_order == NULL) ||
	    !layout_order ||
	    strcmp(buf, layout_order) != 0)
		{
		if (refresh) filter_rebuild();
		refresh = FALSE;

		g_free(layout_order);
		layout_order = l_conf;
		l_conf = NULL;

		layout_style = new_style;

		layout_styles_update();
		}

	g_free(l_conf);

	image_options_sync();

	if (refresh)
		{
		filter_rebuild();
		layout_refresh(NULL);
		}
}

/*
 *-----------------------------------------------------------------------------
 * config window main button callbacks (private)
 *-----------------------------------------------------------------------------
 */ 

static void config_window_close_cb(GtkWidget *widget, gpointer data)
{
	gtk_widget_destroy(configwindow);
	configwindow = NULL;
	filter_store = NULL;
}

static gint config_window_delete(GtkWidget *w, GdkEventAny *event, gpointer data)
{
	config_window_close_cb(NULL, NULL);
	return TRUE;
}

static void config_window_ok_cb(GtkWidget *widget, gpointer data)
{
	config_window_apply();
	config_window_close_cb(NULL, NULL);
}

static void config_window_apply_cb(GtkWidget *widget, gpointer data)
{
	config_window_apply();
}

/*
 *-----------------------------------------------------------------------------
 * config window setup (private)
 *-----------------------------------------------------------------------------
 */ 

static void quality_menu_cb(GtkWidget *combo, gpointer data)
{
	gint *option = data;

	switch (gtk_combo_box_get_active(GTK_COMBO_BOX(combo)))
		{
		case 0:
		default:
			*option = GDK_INTERP_NEAREST;
			break;
		case 1:
			*option = GDK_INTERP_TILES;
			break;
		case 2:
			*option = GDK_INTERP_BILINEAR;
			break;
		case 3:
			*option = GDK_INTERP_HYPER;
			break;
		}
}

static void add_quality_menu(GtkWidget *table, gint column, gint row, const gchar *text,
			     gint option, gint *option_c)
{
	GtkWidget *combo;
	gint current = 0;

	*option_c = option;

	pref_table_label(table, column, row, text, 0.0);

	combo = gtk_combo_box_new_text();

	gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Nearest (worst, but fastest)"));
	if (option == GDK_INTERP_NEAREST) current = 0;
	gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Tiles"));
	if (option == GDK_INTERP_TILES) current = 1;
	gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Bilinear"));
	if (option == GDK_INTERP_BILINEAR) current = 2;
	gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Hyper (best, but slowest)"));
	if (option == GDK_INTERP_HYPER) current = 3;

	gtk_combo_box_set_active(GTK_COMBO_BOX(combo), current);

	g_signal_connect(G_OBJECT(combo), "changed",
			 G_CALLBACK(quality_menu_cb), option_c);

	gtk_table_attach(GTK_TABLE(table), combo, column + 1, column + 2, row, row + 1,
			 GTK_EXPAND | GTK_FILL, FALSE, 0, 0);
	gtk_widget_show(combo);
}

#if 0
static void add_dither_menu(gint option, gint *option_c, gchar *text, GtkWidget *box)
{
	GtkWidget *hbox;
	GtkWidget *omenu;
	GtkWidget *menu;

	*option_c = option;

	hbox = pref_box_new(box, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
	pref_label_new(hbox, text);

	omenu = gtk_option_menu_new();
	menu = gtk_menu_new();

	add_menu_item(menu, _("None"), option_c, (gint)GDK_RGB_DITHER_NONE);
	add_menu_item(menu, _("Normal"), option_c, (gint)GDK_RGB_DITHER_NORMAL);
	add_menu_item(menu, _("Best"), option_c, (gint)GDK_RGB_DITHER_MAX);

	gtk_option_menu_set_menu(GTK_OPTION_MENU(omenu), menu);
	gtk_option_menu_set_history(GTK_OPTION_MENU(omenu), *option_c);

	gtk_box_pack_start(GTK_BOX(hbox), omenu, FALSE, FALSE, 0);
	gtk_widget_show(omenu);
}
#endif

static void thumb_size_menu_cb(GtkWidget *combo, gpointer data)
{
	gint n;

	n = gtk_combo_box_get_active(GTK_COMBO_BOX(combo));

	if (n >= 0 && n < sizeof(thumb_size_list) / sizeof(ThumbSize))
		{
		thumb_max_width_c = thumb_size_list[n].w;
		thumb_max_height_c = thumb_size_list[n].h;
		}
	else if (n > 0)
		{