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。

		thumb_max_width_c = thumb_max_width;
		thumb_max_height_c = thumb_max_height;
		}
}

static void add_thumb_size_menu(GtkWidget *table, gint column, gint row, gchar *text)
{
	GtkWidget *combo;
	gint current;
	gint last_w, last_h;
	gint i;
	gint c;

	thumb_max_width_c = thumb_max_width;
	thumb_max_height_c = thumb_max_height;

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

	combo = gtk_combo_box_new_text();

	last_w = last_h = 0;
	current = -1;
	i = 0;
	c = TRUE;
	while (c)
		{
		gint w, h;

		w = thumb_size_list[i].w;
		h = thumb_size_list[i].h;

		if ( w > 0 && h > 0)
			{
			gchar *buf;

			buf = g_strdup_printf("%d x %d", w, h);
			gtk_combo_box_append_text(GTK_COMBO_BOX(combo), buf);
			g_free(buf);

			if (w == thumb_max_width && h == thumb_max_height) current = i;

			last_w = w;
			last_h = h;
			}
		else
			{
			c = FALSE;
			}
		i++;
		}

	if (current == -1)
		{
		gchar *buf;

		buf = g_strdup_printf("%s %d x %d", _("Custom"), thumb_max_width, thumb_max_height);
		gtk_combo_box_append_text(GTK_COMBO_BOX(combo), buf);
		g_free(buf);

		current = i - 1;
		}

	gtk_combo_box_set_active(GTK_COMBO_BOX(combo), current);
	g_signal_connect(G_OBJECT(combo), "changed",
			 G_CALLBACK(thumb_size_menu_cb), NULL);

	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);
}

static void filter_store_populate(void)
{
	GList *work;

	if (!filter_store) return;

	gtk_list_store_clear(filter_store);

	work = filter_get_list();
	while (work)
		{
		FilterEntry *fe;
		GtkTreeIter iter;

		fe = work->data;
		work = work->next;

		gtk_list_store_append(filter_store, &iter);
		gtk_list_store_set(filter_store, &iter, 0, fe, -1);
		}
}

static void filter_store_ext_edit_cb(GtkCellRendererText *cell, gchar *path_str,
				     gchar *new_text, gpointer data)
{
	GtkWidget *model = data;
	FilterEntry *fe = data;
	GtkTreePath *tpath;
	GtkTreeIter iter;

	if (!new_text || strlen(new_text) < 1) return;

	tpath = gtk_tree_path_new_from_string(path_str);
	gtk_tree_model_get_iter(GTK_TREE_MODEL(model), &iter, tpath);
	gtk_tree_model_get(GTK_TREE_MODEL(model), &iter, 0, &fe, -1);

	g_free(fe->extensions);
	fe->extensions = g_strdup(new_text);

	gtk_tree_path_free(tpath);
	filter_rebuild();
}

static void filter_store_desc_edit_cb(GtkCellRendererText *cell, gchar *path_str,
				      gchar *new_text, gpointer data)
{
	GtkWidget *model = data;
	FilterEntry *fe;
	GtkTreePath *tpath;
	GtkTreeIter iter;

	if (!new_text || strlen(new_text) < 1) return;

	tpath = gtk_tree_path_new_from_string(path_str);
	gtk_tree_model_get_iter(GTK_TREE_MODEL(model), &iter, tpath);
	gtk_tree_model_get(GTK_TREE_MODEL(model), &iter, 0, &fe, -1);

	g_free(fe->description);
	fe->description = g_strdup(new_text);

	gtk_tree_path_free(tpath);
}

static void filter_store_enable_cb(GtkCellRendererToggle *renderer,
				   gchar *path_str, gpointer data)
{
	GtkWidget *model = data;
	FilterEntry *fe;
	GtkTreePath *tpath;
	GtkTreeIter iter;

	tpath = gtk_tree_path_new_from_string(path_str);
	gtk_tree_model_get_iter(GTK_TREE_MODEL(model), &iter, tpath);
	gtk_tree_model_get(GTK_TREE_MODEL(model), &iter, 0, &fe, -1);

	fe->enabled = !fe->enabled;

	gtk_tree_path_free(tpath);
	filter_rebuild();
}

static void filter_set_func(GtkTreeViewColumn *tree_column, GtkCellRenderer *cell,
			    GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
{
	FilterEntry *fe;

	gtk_tree_model_get(tree_model, iter, 0, &fe, -1);

	switch(GPOINTER_TO_INT(data))
		{
		case FE_ENABLE:
			g_object_set(GTK_CELL_RENDERER(cell),
				     "active", fe->enabled, NULL);
			break;
		case FE_EXTENSION:
			g_object_set(GTK_CELL_RENDERER(cell),
				     "text", fe->extensions, NULL);
			break;
		case FE_DESCRIPTION:
			g_object_set(GTK_CELL_RENDERER(cell),
				     "text", fe->description, NULL);
			break;
		}
}

static void filter_add_cb(GtkWidget *widget, gpointer data)
{
	filter_add_unique("description", ".new", TRUE);
	filter_store_populate();

	/* FIXME: implement the scroll to/select row stuff for tree view */
}

static void filter_remove_cb(GtkWidget *widget, gpointer data)
{
	GtkWidget *filter_view = data;
	GtkTreeSelection *selection;
	GtkTreeIter iter;
	FilterEntry *fe;

	if (!filter_store) return;
       	selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(filter_view));
	if (!gtk_tree_selection_get_selected(selection, NULL, &iter)) return;
	gtk_tree_model_get(GTK_TREE_MODEL(filter_store), &iter, 0, &fe, -1);
	if (!fe) return;

	filter_remove_entry(fe);
	filter_rebuild();
	filter_store_populate();
}

static void filter_default_ok_cb(GenericDialog *gd, gpointer data)
{
	filter_reset();
	filter_add_defaults();
	filter_rebuild();
	filter_store_populate();
}

static void dummy_cancel_cb(GenericDialog *gd, gpointer data)
{
	/* no op, only so cancel button appears */
}

static void filter_default_cb(GtkWidget *widget, gpointer data)
{
	GenericDialog *gd;

	gd = generic_dialog_new(_("Reset filters"),
				"GQview", "reset_filter", widget, TRUE,
				dummy_cancel_cb, NULL);
	generic_dialog_add_message(gd, GTK_STOCK_DIALOG_QUESTION, _("Reset filters"),
				   _("This will reset the file filters to the defaults.\nContinue?"));
	generic_dialog_add_button(gd, GTK_STOCK_OK, NULL, filter_default_ok_cb, TRUE);
	gtk_widget_show(gd->dialog);
}

static void filter_disable_cb(GtkWidget* widget, gpointer data)
{
	GtkWidget *frame = data;

	gtk_widget_set_sensitive(frame,
				 !gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)));
}

static void editor_default_ok_cb(GenericDialog *gd, gpointer data)
{
	gint i;

	editor_reset_defaults();
	if (!configwindow) return;

	for (i = 0; i < GQVIEW_EDITOR_SLOTS; i++)
		{
		gtk_entry_set_text(GTK_ENTRY(editor_name_entry[i]),
				   (editor_name[i]) ? editor_name[i] : "");
		gtk_entry_set_text(GTK_ENTRY(editor_command_entry[i]),
				   (editor_command[i]) ? editor_command[i] : "");
		}
}

static void editor_default_cb(GtkWidget *widget, gpointer data)
{
	GenericDialog *gd;

	gd = generic_dialog_new(_("Reset editors"),
				"GQview", "reset_filter", widget, TRUE,
				dummy_cancel_cb, NULL);
	generic_dialog_add_message(gd, GTK_STOCK_DIALOG_QUESTION, _("Reset editors"),
				   _("This will reset the edit commands to the defaults.\nContinue?"));
	generic_dialog_add_button(gd, GTK_STOCK_OK, NULL, editor_default_ok_cb, TRUE);
	gtk_widget_show(gd->dialog);
}

static void editor_help_cb(GtkWidget *widget, gpointer data)
{
	help_window_show("editors");
}

static void safe_delete_view_cb(GtkWidget* widget, gpointer data)
{
	layout_set_path(NULL, gtk_entry_get_text(GTK_ENTRY(safe_delete_path_entry)));
}

static void safe_delete_clear_ok_cb(GenericDialog *gd, gpointer data)
{
	file_util_trash_clear();
}

static void safe_delete_clear_cb(GtkWidget* widget, gpointer data)
{
	GenericDialog *gd;
	GtkWidget *entry;
	gd = generic_dialog_new(_("Clear trash"),
				"GQview", "clear_trash", widget, TRUE,
				dummy_cancel_cb, NULL);
	generic_dialog_add_message(gd, GTK_STOCK_DIALOG_QUESTION, _("Clear trash"),
				    _("This will remove the trash contents."));
	generic_dialog_add_button(gd, GTK_STOCK_OK, NULL, safe_delete_clear_ok_cb, TRUE);
	entry = gtk_entry_new();
	GTK_WIDGET_UNSET_FLAGS(entry, GTK_CAN_FOCUS);
	gtk_editable_set_editable(GTK_EDITABLE(entry), FALSE);
	if (safe_delete_path) gtk_entry_set_text(GTK_ENTRY(entry), safe_delete_path);
	gtk_box_pack_start(GTK_BOX(gd->vbox), entry, FALSE, FALSE, 0);
	gtk_widget_show(entry);
	gtk_widget_show(gd->dialog);
}

static void config_window_create(void)
{
	GtkWidget *win_vbox;
	GtkWidget *hbox;
	GtkWidget *notebook;
	GtkWidget *frame;
	GtkWidget *label;
	GtkWidget *vbox;
	GtkWidget *group;
	GtkWidget *subgroup;
	GtkWidget *button;
	GtkWidget *tabcomp;
	GtkWidget *ct_button;
	GtkWidget *table;
	GtkWidget *spin;
	GtkWidget *scrolled;
	GtkWidget *viewport;
	GtkWidget *filter_view;
	GtkCellRenderer *renderer;
	GtkTreeSelection *selection;
	GtkTreeViewColumn *column;
	gint i;

	configwindow = gtk_window_new(GTK_WINDOW_TOPLEVEL);
	gtk_window_set_type_hint(GTK_WINDOW(configwindow), GDK_WINDOW_TYPE_HINT_DIALOG);
	g_signal_connect(G_OBJECT (configwindow), "delete_event",
			 G_CALLBACK(config_window_delete), NULL);
	gtk_window_set_resizable(GTK_WINDOW(configwindow), FALSE);
	gtk_window_set_title(GTK_WINDOW(configwindow), _("GQview Preferences"));
	gtk_window_set_wmclass(GTK_WINDOW(configwindow), "config", "GQview");
	gtk_container_set_border_width(GTK_CONTAINER(configwindow), PREF_PAD_BORDER);

	window_set_icon(configwindow, (const gchar **)config_xpm, NULL);

	win_vbox = gtk_vbox_new(FALSE, PREF_PAD_SPACE);
	gtk_container_add(GTK_CONTAINER(configwindow), win_vbox);
	gtk_widget_show(win_vbox);

	hbox = gtk_hbutton_box_new();
	gtk_button_box_set_layout(GTK_BUTTON_BOX(hbox), GTK_BUTTONBOX_END);
	gtk_box_set_spacing(GTK_BOX(hbox), PREF_PAD_BUTTON_GAP);
	gtk_box_pack_end(GTK_BOX(win_vbox), hbox, FALSE, FALSE, 0);
	gtk_widget_show(hbox);

	button = pref_button_new(NULL, GTK_STOCK_OK, NULL, FALSE,
				 G_CALLBACK(config_window_ok_cb), NULL);
	gtk_container_add(GTK_CONTAINER(hbox), button);
	GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
	gtk_widget_grab_default(button);
	gtk_widget_show(button);

	ct_button = button;

	button = pref_button_new(NULL, GTK_STOCK_APPLY, NULL, FALSE,
				 G_CALLBACK(config_window_apply_cb), NULL);
	gtk_container_add(GTK_CONTAINER(hbox), button);
	GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
	gtk_widget_show(button);

	button = pref_button_new(NULL, GTK_STOCK_CANCEL, NULL, FALSE,
				 G_CALLBACK(config_window_close_cb), NULL);
	gtk_container_add(GTK_CONTAINER(hbox), button);
	GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
	gtk_widget_show(button);

	if (!generic_dialog_get_alternative_button_order(configwindow))
		{
		gtk_box_reorder_child(GTK_BOX(hbox), ct_button, -1);
		}

	notebook = gtk_notebook_new();
	gtk_notebook_set_tab_pos (GTK_NOTEBOOK(notebook), GTK_POS_TOP);
	gtk_box_pack_start(GTK_BOX(win_vbox), notebook, TRUE, TRUE, 0);

	/* general options tab */

	vbox = gtk_vbox_new(FALSE, 0);
	gtk_container_set_border_width(GTK_CONTAINER(vbox), PREF_PAD_BORDER);
	gtk_widget_show(vbox);
	label = gtk_label_new(_("General"));
	gtk_notebook_append_page (GTK_NOTEBOOK(notebook), vbox, label);

	group = pref_group_new(vbox, FALSE, _("Startup"), GTK_ORIENTATION_VERTICAL);

	button = pref_checkbox_new_int(group, _("Change to folder:"),
				       startup_path_enable, &startup_path_enable_c);

	hbox = pref_box_new(group, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
	pref_checkbox_link_sensitivity(button, hbox);

	tabcomp = tab_completion_new(&startup_path_entry, startup_path, NULL, NULL);
	tab_completion_add_select_button(startup_path_entry, NULL, TRUE);
	gtk_box_pack_start(GTK_BOX(hbox), tabcomp, TRUE, TRUE, 0);
	gtk_widget_show(tabcomp);

	button = pref_button_new(hbox, NULL, _("Use current"), FALSE,
				 G_CALLBACK(startup_path_set_current), NULL);

	group = pref_group_new(vbox, FALSE, _("Thumbnails"), GTK_ORIENTATION_VERTICAL);

	table = pref_table_new(group, 2, 2, FALSE, FALSE);
	add_thumb_size_menu(table, 0, 0, _("Size:"));
	add_quality_menu(table, 0, 1, _("Quality:"), thumbnail_quality, &thumbnail_quality_c);

	ct_button = pref_checkbox_new_int(group, _("Cache thumbnails"),
					  enable_thumb_caching, &enable_thumb_caching_c);

	subgroup = pref_box_new(group, FALSE, GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
	pref_checkbox_link_sensitivity(ct_button, subgroup);

	button = pref_checkbox_new_int(subgroup, _("Use shared thumbnail cache"),
				       thumbnail_spec_standard, &thumbnail_spec_standard_c);

	subgroup = pref_box_new(subgroup, FALSE, GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
	pref_checkbox_link_sensitivity_swap(button, subgroup);

	pref_checkbox_new_int(subgroup, _("Cache thumbnails into .thumbnails"),
			      enable_thumb_dirs, &enable_thumb_dirs_c);

#if 0
	pref_checkbox_new_int(subgroup, _("Use xvpics thumbnails when found (read only)"),
			      use_xvpics_thumbnails, &use_xvpics_thumbnails_c);
#endif

	pref_checkbox_new_int(group, _("Faster jpeg thumbnailing (may reduce quality)"),
			      thumbnail_fast, &thumbnail_fast_c);

	group = pref_group_new(vbox, FALSE, _("Slide show"), GTK_ORIENTATION_VERTICAL);

	slideshow_delay_c = slideshow_delay;
	spin = pref_spin_new(group, _("Delay between image change:"), _("seconds"),
			     SLIDESHOW_MIN_SECONDS, SLIDESHOW_MAX_SECONDS, 1.0, 1,
			     slideshow_delay ? (double)slideshow_delay / SLIDESHOW_SUBSECOND_PRECISION : 10.0,
			     G_CALLBACK(slideshow_delay_cb), NULL);
	gtk_spin_button_set_update_policy(GTK_SPIN_BUTTON(spin), GTK_UPDATE_ALWAYS);

	pref_checkbox_new_int(group, _("Random"), slideshow_random, &slideshow_random_c);
	pref_checkbox_new_int(group, _("Repeat"), slideshow_repeat, &slideshow_repeat_c);

	/* image tab */

	vbox = gtk_vbox_new(FALSE, 0);
	gtk_container_set_border_width(GTK_CONTAINER(vbox), PREF_PAD_BORDER);
	gtk_widget_show(vbox);
	label = gtk_label_new(_("Image"));
	gtk_notebook_append_page (GTK_NOTEBOOK (notebook), vbox, label);

	group = pref_group_new(vbox, FALSE, _("Zoom"), GTK_ORIENTATION_VERTICAL);

#if 0
	add_dither_menu(dither_quality, &dither_quality_c, _("Dithering method:"), group);
#endif