layout_util.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。

}

GtkWidget *layout_actions_menu_bar(LayoutWindow *lw)
{
	return gtk_ui_manager_get_widget(lw->ui_manager, "/MainMenu");
}


/*
 *-----------------------------------------------------------------------------
 * toolbar
 *-----------------------------------------------------------------------------
 */ 

static void layout_button_thumb_cb(GtkWidget *widget, gpointer data)
{
	LayoutWindow *lw = data;

	layout_thumb_set(lw, gtk_toggle_tool_button_get_active(GTK_TOGGLE_TOOL_BUTTON(widget)));
}

static void layout_button_home_cb(GtkWidget *widget, gpointer data)
{
	LayoutWindow *lw = data;
	const gchar *path = homedir();

	if (path) layout_set_path(lw, path);
}

static void layout_button_refresh_cb(GtkWidget *widget, gpointer data)
{
	LayoutWindow *lw = data;

	layout_refresh(lw);
}

static void layout_button_zoom_in_cb(GtkWidget *widget, gpointer data)
{
	LayoutWindow *lw = data;

	layout_image_zoom_adjust(lw, get_zoom_increment());
}

static void layout_button_zoom_out_cb(GtkWidget *widget, gpointer data)
{
	LayoutWindow *lw = data;

	layout_image_zoom_adjust(lw, -get_zoom_increment());
}

static void layout_button_zoom_fit_cb(GtkWidget *widget, gpointer data)
{
	LayoutWindow *lw = data;

	layout_image_zoom_set(lw, 0.0);
}

static void layout_button_zoom_1_1_cb(GtkWidget *widget, gpointer data)
{
	LayoutWindow *lw = data;

	layout_image_zoom_set(lw, 1.0);
}

static void layout_button_config_cb(GtkWidget *widget, gpointer data)
{
	show_config_window();
}

static void layout_button_float_cb(GtkWidget *widget, gpointer data)
{
	LayoutWindow *lw = data;

	layout_tools_float_toggle(lw);
}

static void layout_button_custom_icon(GtkWidget *button, const gchar *key)
{
	GtkWidget *icon;
	GdkPixbuf *pixbuf;

	pixbuf = pixbuf_inline(key);
	if (!pixbuf) return;

	icon = gtk_image_new_from_pixbuf(pixbuf);
	g_object_unref(pixbuf);

	pref_toolbar_button_set_icon(button, icon, NULL);
	gtk_widget_show(icon);
}

GtkWidget *layout_button_bar(LayoutWindow *lw)
{
	GtkWidget *box;
	GtkWidget *button;

	box =  pref_toolbar_new(NULL, GTK_TOOLBAR_ICONS);

	button = pref_toolbar_button(box, NULL, _("_Thumbnails"), TRUE,
				     _("Show thumbnails"), G_CALLBACK(layout_button_thumb_cb), lw);
	layout_button_custom_icon(button, PIXBUF_INLINE_ICON_THUMB);
	lw->thumb_button = button;

	pref_toolbar_button(box, GTK_STOCK_HOME, NULL, FALSE,
			    _("Change to home folder"), G_CALLBACK(layout_button_home_cb), lw);
	pref_toolbar_button(box, GTK_STOCK_REFRESH, NULL, FALSE,
			    _("Refresh file list"), G_CALLBACK(layout_button_refresh_cb), lw);
	pref_toolbar_button(box, GTK_STOCK_ZOOM_IN, NULL, FALSE,
			    _("Zoom in"), G_CALLBACK(layout_button_zoom_in_cb), lw);
	pref_toolbar_button(box, GTK_STOCK_ZOOM_OUT, NULL, FALSE,
			    _("Zoom out"), G_CALLBACK(layout_button_zoom_out_cb), lw);
	pref_toolbar_button(box, GTK_STOCK_ZOOM_FIT, NULL, FALSE,
			    _("Fit image to window"), G_CALLBACK(layout_button_zoom_fit_cb), lw);
	pref_toolbar_button(box, GTK_STOCK_ZOOM_100, NULL, FALSE,
			    _("Set zoom 1:1"), G_CALLBACK(layout_button_zoom_1_1_cb), lw);
	pref_toolbar_button(box, GTK_STOCK_PREFERENCES, NULL, FALSE,
			    _("Configure options"), G_CALLBACK(layout_button_config_cb), lw);
	button = pref_toolbar_button(box, NULL, _("_Float"), FALSE,
				     _("Float Controls"), G_CALLBACK(layout_button_float_cb), lw);
	layout_button_custom_icon(button, PIXBUF_INLINE_ICON_FLOAT);

	return box;
}

/*
 *-----------------------------------------------------------------------------
 * misc
 *-----------------------------------------------------------------------------
 */

static void layout_util_sync_views(LayoutWindow *lw)
{
	GtkAction *action;

	if (!lw->action_group) return;

	action = gtk_action_group_get_action(lw->action_group, "FolderTree");
	gtk_toggle_action_set_active(GTK_TOGGLE_ACTION(action), lw->tree_view);

	action = gtk_action_group_get_action(lw->action_group, "ViewIcons");
	gtk_toggle_action_set_active(GTK_TOGGLE_ACTION(action), lw->icon_view);

	action = gtk_action_group_get_action(lw->action_group, "FloatTools");
	gtk_toggle_action_set_active(GTK_TOGGLE_ACTION(action), lw->tools_float);

	action = gtk_action_group_get_action(lw->action_group, "SBarKeywords");
	gtk_toggle_action_set_active(GTK_TOGGLE_ACTION(action), lw->bar_info_enabled);

	action = gtk_action_group_get_action(lw->action_group, "SBarExif");
	gtk_toggle_action_set_active(GTK_TOGGLE_ACTION(action), lw->bar_exif_enabled);

	action = gtk_action_group_get_action(lw->action_group, "SBarSort");
	gtk_toggle_action_set_active(GTK_TOGGLE_ACTION(action), lw->bar_sort_enabled);

	action = gtk_action_group_get_action(lw->action_group, "HideToolbar");
	gtk_toggle_action_set_active(GTK_TOGGLE_ACTION(action), lw->toolbar_hidden);
}

void layout_util_sync_thumb(LayoutWindow *lw)
{
	GtkAction *action;

	if (!lw->action_group) return;

	action = gtk_action_group_get_action(lw->action_group, "Thumbnails");
	gtk_toggle_action_set_active(GTK_TOGGLE_ACTION(action), lw->thumbs_enabled);
	g_object_set(action, "sensitive", !lw->icon_view, NULL);

	gtk_toggle_tool_button_set_active(GTK_TOGGLE_TOOL_BUTTON(lw->thumb_button), lw->thumbs_enabled);
	gtk_widget_set_sensitive(lw->thumb_button, !lw->icon_view);
}

void layout_util_sync(LayoutWindow *lw)
{
	layout_util_sync_views(lw);
	layout_util_sync_thumb(lw);
	layout_menu_recent_update(lw);
	layout_menu_edit_update(lw);
}

/*
 *-----------------------------------------------------------------------------
 * icons (since all the toolbar icons are included here, best place as any)
 *-----------------------------------------------------------------------------
 */

PixmapFolders *folder_icons_new(void)
{
	PixmapFolders *pf;

	pf = g_new0(PixmapFolders, 1);

	pf->close = pixbuf_inline(PIXBUF_INLINE_FOLDER_CLOSED);
	pf->open = pixbuf_inline(PIXBUF_INLINE_FOLDER_OPEN);
	pf->deny = pixbuf_inline(PIXBUF_INLINE_FOLDER_LOCKED);
	pf->parent = pixbuf_inline(PIXBUF_INLINE_FOLDER_UP);

	return pf;
}

void folder_icons_free(PixmapFolders *pf)
{
	if (!pf) return;

	g_object_unref(pf->close);
	g_object_unref(pf->open);
	g_object_unref(pf->deny);
	g_object_unref(pf->parent);

	g_free(pf);
}

/*
 *-----------------------------------------------------------------------------
 * sidebars
 *-----------------------------------------------------------------------------
 */

#define SIDEBAR_WIDTH 288

static void layout_bar_info_destroyed(GtkWidget *widget, gpointer data)
{
	LayoutWindow *lw = data;

	lw->bar_info = NULL;

	if (lw->utility_box)
		{
		/* destroyed from within itself */
		lw->bar_info_enabled = FALSE;
		layout_util_sync_views(lw);
		}
}

static GList *layout_bar_info_list_cb(gpointer data)
{
	LayoutWindow *lw = data;

	return layout_selection_list(lw);
}

static void layout_bar_info_new(LayoutWindow *lw)
{
	if (!lw->utility_box) return;
                                                                                                                    
	lw->bar_info = bar_info_new(layout_image_get_path(lw), FALSE, lw->utility_box);
	bar_info_set_selection_func(lw->bar_info, layout_bar_info_list_cb, lw);
	bar_info_selection(lw->bar_info, layout_selection_count(lw, NULL) - 1);
	bar_info_size_request(lw->bar_info, SIDEBAR_WIDTH * 3 / 4);
	g_signal_connect(G_OBJECT(lw->bar_info), "destroy",
			 G_CALLBACK(layout_bar_info_destroyed), lw);
	lw->bar_info_enabled = TRUE;

	gtk_box_pack_start(GTK_BOX(lw->utility_box), lw->bar_info, FALSE, FALSE, 0);
	gtk_widget_show(lw->bar_info);
}
                                                                                                                    
static void layout_bar_info_close(LayoutWindow *lw)
{
	if (lw->bar_info)
		{
		bar_info_close(lw->bar_info);
		lw->bar_info = NULL;
		}
	lw->bar_info_enabled = FALSE;
}

void layout_bar_info_toggle(LayoutWindow *lw)
{
	if (lw->bar_info_enabled)
		{
		layout_bar_info_close(lw);
		}
	else
		{
		layout_bar_info_new(lw);
		}
}

static void layout_bar_info_new_image(LayoutWindow *lw)
{
	if (!lw->bar_info || !lw->bar_info_enabled) return;

	bar_info_set(lw->bar_info, layout_image_get_path(lw));
}

static void layout_bar_info_new_selection(LayoutWindow *lw, gint count)
{
	if (!lw->bar_info || !lw->bar_info_enabled) return;

	bar_info_selection(lw->bar_info, count - 1);
}

static void layout_bar_info_maint_renamed(LayoutWindow *lw)
{
	if (!lw->bar_info || !lw->bar_info_enabled) return;

	bar_info_maint_renamed(lw->bar_info, layout_image_get_path(lw));
}

static void layout_bar_exif_destroyed(GtkWidget *widget, gpointer data)
{
	LayoutWindow *lw = data;

	if (lw->bar_exif)
		{
		lw->bar_exif_advanced = bar_exif_is_advanced(lw->bar_exif);
		}

	lw->bar_exif = NULL;
	if (lw->utility_box)
		{
		/* destroyed from within itself */
		lw->bar_exif_enabled = FALSE;
		layout_util_sync_views(lw);
		}
}

static void layout_bar_exif_sized(GtkWidget *widget, GtkAllocation *allocation, gpointer data)
{
	LayoutWindow *lw = data;

	if (lw->bar_exif)
		{
		lw->bar_exif_size = allocation->width;
		}
}

static void layout_bar_exif_new(LayoutWindow *lw)
{
	if (!lw->utility_box) return;

	lw->bar_exif = bar_exif_new(TRUE, layout_image_get_path(lw),
				    lw->bar_exif_advanced, lw->utility_box);
	g_signal_connect(G_OBJECT(lw->bar_exif), "destroy",
			 G_CALLBACK(layout_bar_exif_destroyed), lw);
	g_signal_connect(G_OBJECT(lw->bar_exif), "size_allocate",
			 G_CALLBACK(layout_bar_exif_sized), lw);
        lw->bar_exif_enabled = TRUE;

	if (lw->bar_exif_size < 1) lw->bar_exif_size = SIDEBAR_WIDTH;
	gtk_widget_set_size_request(lw->bar_exif, lw->bar_exif_size, -1);
	gtk_box_pack_start(GTK_BOX(lw->utility_box), lw->bar_exif, FALSE, FALSE, 0);
	if (lw->bar_info) gtk_box_reorder_child(GTK_BOX(lw->utility_box), lw->bar_exif, 1);
	gtk_widget_show(lw->bar_exif);
}

static void layout_bar_exif_close(LayoutWindow *lw)
{
	if (lw->bar_exif)
		{
		bar_exif_close(lw->bar_exif);
		lw->bar_exif = NULL;
		}
        lw->bar_exif_enabled = FALSE;
}

void layout_bar_exif_toggle(LayoutWindow *lw)
{
	if (lw->bar_exif_enabled)
		{
		layout_bar_exif_close(lw);
		}
	else
		{
		layout_bar_exif_new(lw);
		}
}

static void layout_bar_exif_new_image(LayoutWindow *lw)
{
	if (!lw->bar_exif || !lw->bar_exif_enabled) return;

	bar_exif_set(lw->bar_exif, layout_image_get_path(lw));
}

static void layout_bar_sort_destroyed(GtkWidget *widget, gpointer data)
{
	LayoutWindow *lw = data;

	lw->bar_sort = NULL;

	if (lw->utility_box)
		{
		/* destroyed from within itself */
		lw->bar_sort_enabled = FALSE;

		layout_util_sync_views(lw);
		}
}

static void layout_bar_sort_new(LayoutWindow *lw)
{
	if (!lw->utility_box) return;

	lw->bar_sort = bar_sort_new(lw);
	g_signal_connect(G_OBJECT(lw->bar_sort), "destroy",
			 G_CALLBACK(layout_bar_sort_destroyed), lw);
	lw->bar_sort_enabled = TRUE;

	gtk_box_pack_end(GTK_BOX(lw->utility_box), lw->bar_sort, FALSE, FALSE, 0);
	gtk_widget_show(lw->bar_sort);
}

static void layout_bar_sort_close(LayoutWindow *lw)
{
	if (lw->bar_sort)
		{
		bar_sort_close(lw->bar_sort);
		lw->bar_sort = NULL;
		}
	lw->bar_sort_enabled = FALSE;
}

void layout_bar_sort_toggle(LayoutWindow *lw)
{
	if (lw->bar_sort_enabled)
		{
		layout_bar_sort_close(lw);
		}
	else
		{
		layout_bar_sort_new(lw);
		}
}

void layout_bars_new_image(LayoutWindow *lw)
{
	layout_bar_info_new_image(lw);
	layout_bar_exif_new_image(lw);
}

void layout_bars_new_selection(LayoutWindow *lw, gint count)
{
	layout_bar_info_new_selection(lw, count);
}

GtkWidget *layout_bars_prepare(LayoutWindow *lw, GtkWidget *image)
{
	lw->utility_box = gtk_hbox_new(FALSE, PREF_PAD_GAP);
	gtk_box_pack_start(GTK_BOX(lw->utility_box), image, TRUE, TRUE, 0);
	gtk_widget_show(image);

	if (lw->bar_sort_enabled)
		{
		layout_bar_sort_new(lw);
		}

	if (lw->bar_info_enabled)
		{
		layout_bar_info_new(lw);
		}

	if (lw->bar_exif_enabled)
		{
		layout_bar_exif_new(lw);
		}

	return lw->utility_box;
}

void layout_bars_close(LayoutWindow *lw)
{
	layout_bar_sort_close(lw);
	layout_bar_exif_close(lw);
	layout_bar_info_close(lw);
}

void layout_bars_maint_renamed(LayoutWindow *lw)
{
	layout_bar_info_maint_renamed(lw);
}