/* file disclosure-widget.c */ /* * kf linux jabber client * ---------------------- * * Copyright (C) 2003-2004 Przemysław Sitek * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* * Authors: Iain Holmes * * Copyright 2002 Iain Holmes * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA. * */ #ifdef HAVE_CONFIG_H #include #endif #include //#include /* kf */ #include "disclosure-widget.h" #include "kf.h" /* kf */ static GtkCheckButtonClass *parent_class = NULL; struct _CDDBDisclosurePrivate { GtkWidget *container; char *shown; char *hidden; guint32 expand_id; GtkExpanderStyle style; int expander_size; int direction; }; static void finalize (GObject *object) { CDDBDisclosure *disclosure; disclosure = CDDB_DISCLOSURE (object); if (disclosure->priv == NULL) { return; } g_free (disclosure->priv->hidden); g_free (disclosure->priv->shown); if (disclosure->priv->container != NULL) { g_object_unref (G_OBJECT (disclosure->priv->container)); } g_free (disclosure->priv); disclosure->priv = NULL; G_OBJECT_CLASS (parent_class)->finalize (object); } static void cddb_disclosure_destroy (GtkObject *obj) { CDDBDisclosure *disclosure = CDDB_DISCLOSURE (obj); if (disclosure->priv->expand_id) g_source_remove (disclosure->priv->expand_id); } static void get_x_y (CDDBDisclosure *disclosure, int *x, int *y, GtkStateType *state_type) { GtkCheckButton *check_button; int indicator_size, indicator_spacing; int focus_width; int focus_pad; gboolean interior_focus; GtkWidget *widget = GTK_WIDGET (disclosure); GtkBin *bin = GTK_BIN (disclosure); int width; if (GTK_WIDGET_VISIBLE (disclosure) && GTK_WIDGET_MAPPED (disclosure)) { check_button = GTK_CHECK_BUTTON (disclosure); gtk_widget_style_get (GTK_WIDGET (check_button), "indicator_size", &indicator_size, "indicator_spacing", &indicator_spacing, NULL); gtk_widget_style_get (widget, "interior_focus", &interior_focus, "focus-line-width", &focus_width, "focus-padding", &focus_pad, NULL); *state_type = GTK_WIDGET_STATE (widget); if ((*state_type != GTK_STATE_NORMAL) && (*state_type != GTK_STATE_PRELIGHT)) { *state_type = GTK_STATE_NORMAL; } if (bin->child) { width = indicator_spacing * 3 + indicator_size ; } else { width = widget->allocation.width - 2 * GTK_CONTAINER (widget)->border_width; } *x = widget->allocation.x + GTK_CONTAINER (widget)->border_width + (width) / 2; *y = widget->allocation.y + widget->allocation.height / 2; if (interior_focus == FALSE) { *x += focus_width + focus_pad; } *state_type = GTK_WIDGET_STATE (widget) == GTK_STATE_ACTIVE ? GTK_STATE_NORMAL : GTK_WIDGET_STATE (widget); if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL) { *x = widget->allocation.x + widget->allocation.width - (*x - widget->allocation.x); } } else { *x = 0; *y = 0; *state_type = GTK_STATE_NORMAL; } } static gboolean expand_collapse_timeout (gpointer data) { GtkWidget *widget = data; CDDBDisclosure *disclosure = data; GtkStateType state_type; int x, y; gdk_window_invalidate_rect (widget->window, &widget->allocation, TRUE); get_x_y (disclosure, &x, &y, &state_type); gtk_paint_expander (widget->style, widget->window, state_type, &widget->allocation, widget, "disclosure", x, y, disclosure->priv->style); disclosure->priv->style += disclosure->priv->direction; if ((int) disclosure->priv->style > (int) GTK_EXPANDER_EXPANDED) { disclosure->priv->style = GTK_EXPANDER_EXPANDED; if (disclosure->priv->container != NULL) { gtk_widget_show (disclosure->priv->container); } g_object_set (G_OBJECT (disclosure), "label", disclosure->priv->hidden, NULL); return FALSE; } else if ((int) disclosure->priv->style < (int) GTK_EXPANDER_COLLAPSED) { disclosure->priv->style = GTK_EXPANDER_COLLAPSED; if (disclosure->priv->container != NULL) { gtk_widget_hide (disclosure->priv->container); } g_object_set (G_OBJECT (disclosure), "label", disclosure->priv->shown, NULL); return FALSE; } else { return TRUE; } } static void do_animation (CDDBDisclosure *disclosure, gboolean opening) { if (disclosure->priv->expand_id > 0) { g_source_remove (disclosure->priv->expand_id); } disclosure->priv->direction = opening ? 1 : -1; disclosure->priv->expand_id = g_timeout_add (50, expand_collapse_timeout, disclosure); } static void toggled (GtkToggleButton *tb) { CDDBDisclosure *disclosure; disclosure = CDDB_DISCLOSURE (tb); do_animation (disclosure, gtk_toggle_button_get_active (tb)); if (disclosure->priv->container == NULL) { return; } } static void draw_indicator (GtkCheckButton *check, GdkRectangle *area) { GtkWidget *widget = GTK_WIDGET (check); CDDBDisclosure *disclosure = CDDB_DISCLOSURE (check); GtkStateType state_type; int x, y; get_x_y (disclosure, &x, &y, &state_type); gtk_paint_expander (widget->style, widget->window, state_type, area, widget, "treeview", x, y, disclosure->priv->style); } static void class_init (CDDBDisclosureClass *klass) { GObjectClass *object_class; GtkObjectClass *gtk_object_class = (GtkObjectClass *) klass; GtkWidgetClass *widget_class; GtkCheckButtonClass *button_class; GtkToggleButtonClass *toggle_class; object_class = G_OBJECT_CLASS (klass); widget_class = GTK_WIDGET_CLASS (klass); button_class = GTK_CHECK_BUTTON_CLASS (klass); toggle_class = GTK_TOGGLE_BUTTON_CLASS (klass); toggle_class->toggled = toggled; button_class->draw_indicator = draw_indicator; object_class->finalize = finalize; gtk_object_class->destroy = cddb_disclosure_destroy; parent_class = g_type_class_peek_parent (klass); gtk_widget_class_install_style_property (widget_class, g_param_spec_int ("expander_size", _("Expander Size"), _("Size of the expander arrow"), 0, G_MAXINT, 10, G_PARAM_READABLE)); } static void init (CDDBDisclosure *disclosure) { disclosure->priv = g_new0 (CDDBDisclosurePrivate, 1); disclosure->priv->expander_size = 10; } GType cddb_disclosure_get_type (void) { static GType type = 0; if (type == 0) { GTypeInfo info = { sizeof (CDDBDisclosureClass), NULL, NULL, (GClassInitFunc) class_init, NULL, NULL, sizeof (CDDBDisclosure), 0, (GInstanceInitFunc) init }; type = g_type_register_static (GTK_TYPE_CHECK_BUTTON, "CDDBDisclosure", &info, 0); } return type; } GtkWidget * cddb_disclosure_new (const char *shown, const char *hidden) { CDDBDisclosure *disclosure; disclosure = g_object_new (cddb_disclosure_get_type (), "label", shown, NULL); disclosure->priv->shown = g_strdup (shown); disclosure->priv->hidden = g_strdup (hidden); return GTK_WIDGET (disclosure); }