--- /dev/null
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- */
+
+/*
+ * (GLABELS) Label and Business Card Creation program for GNOME
+ *
+ * object-editor.c: object properties editor module
+ *
+ * Copyright (C) 2006 Jim Evins <evins@snaught.com>.
+ *
+ * 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 Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <config.h>
+
+#include "object-editor.h"
+
+#include <glib/gi18n.h>
+#include <gtk/gtktogglebutton.h>
+#include <gtk/gtklabel.h>
+#include <gtk/gtkspinbutton.h>
+#include <gtk/gtkcombobox.h>
+#include <math.h>
+
+#include "prefs.h"
+#include "mygal/widget-color-combo.h"
+#include "color.h"
+
+#include "object-editor-private.h"
+
+#include "debug.h"
+
+/*===========================================*/
+/* Private macros */
+/*===========================================*/
+
+/*===========================================*/
+/* Private data types */
+/*===========================================*/
+
+/*===========================================*/
+/* Private globals */
+/*===========================================*/
+
+/*===========================================*/
+/* Local function prototypes */
+/*===========================================*/
+
+static void shadow_enable_check_toggled_cb (glObjectEditor *editor);
+static void shadow_color_radio_toggled_cb (glObjectEditor *editor);
+
+
+/*--------------------------------------------------------------------------*/
+/* PRIVATE. Prepare shadow page. */
+/*--------------------------------------------------------------------------*/
+void
+gl_object_editor_prepare_shadow_page (glObjectEditor *editor)
+{
+ const gchar *units_string;
+ gdouble climb_rate;
+ gint digits;
+
+ gl_debug (DEBUG_EDITOR, "START");
+
+ /* Extract widgets from XML tree. */
+ editor->priv->shadow_page_vbox
+ = glade_xml_get_widget (editor->priv->gui, "shadow_page_vbox");
+ editor->priv->shadow_enable_check
+ = glade_xml_get_widget (editor->priv->gui, "shadow_enable_check");
+ editor->priv->shadow_controls_table
+ = glade_xml_get_widget (editor->priv->gui, "shadow_controls_table");
+ editor->priv->shadow_x_spin
+ = glade_xml_get_widget (editor->priv->gui, "shadow_x_spin");
+ editor->priv->shadow_y_spin
+ = glade_xml_get_widget (editor->priv->gui, "shadow_y_spin");
+ editor->priv->shadow_x_units_label
+ = glade_xml_get_widget (editor->priv->gui, "shadow_x_units_label");
+ editor->priv->shadow_y_units_label
+ = glade_xml_get_widget (editor->priv->gui, "shadow_y_units_label");
+ editor->priv->shadow_color_radio
+ = glade_xml_get_widget (editor->priv->gui, "shadow_color_radio");
+ editor->priv->shadow_key_radio
+ = glade_xml_get_widget (editor->priv->gui, "shadow_key_radio");
+ editor->priv->shadow_color_combo
+ = glade_xml_get_widget (editor->priv->gui, "shadow_color_combo");
+ editor->priv->shadow_key_combo
+ = glade_xml_get_widget (editor->priv->gui, "shadow_key_combo");
+ editor->priv->shadow_opacity_spin
+ = glade_xml_get_widget (editor->priv->gui, "shadow_opacity_spin");
+
+ gl_util_combo_box_add_text_model ( GTK_COMBO_BOX(editor->priv->shadow_key_combo));
+
+ /* Get configuration information */
+ units_string = gl_prefs_get_units_string ();
+ editor->priv->units_per_point = gl_prefs_get_units_per_point ();
+ climb_rate = gl_prefs_get_units_step_size ();
+ digits = gl_prefs_get_units_precision ();
+
+ /* Modify widgets based on configuration */
+ gtk_spin_button_set_digits (GTK_SPIN_BUTTON(editor->priv->shadow_x_spin), digits);
+ gtk_spin_button_set_increments (GTK_SPIN_BUTTON(editor->priv->shadow_x_spin),
+ climb_rate, 10.0*climb_rate);
+ gtk_label_set_text (GTK_LABEL(editor->priv->shadow_x_units_label), units_string);
+ gtk_spin_button_set_digits (GTK_SPIN_BUTTON(editor->priv->shadow_y_spin), digits);
+ gtk_spin_button_set_increments (GTK_SPIN_BUTTON(editor->priv->shadow_y_spin),
+ climb_rate, 10.0*climb_rate);
+ gtk_label_set_text (GTK_LABEL(editor->priv->shadow_y_units_label), units_string);
+
+ /* Un-hide */
+ gtk_widget_show_all (editor->priv->shadow_page_vbox);
+
+ /* Connect signals */
+ g_signal_connect_swapped (G_OBJECT (editor->priv->shadow_enable_check),
+ "toggled",
+ G_CALLBACK (shadow_enable_check_toggled_cb),
+ G_OBJECT (editor));
+ g_signal_connect_swapped (G_OBJECT (editor->priv->shadow_x_spin),
+ "changed",
+ G_CALLBACK (gl_object_editor_changed_cb),
+ G_OBJECT (editor));
+ g_signal_connect_swapped (G_OBJECT (editor->priv->shadow_y_spin),
+ "changed",
+ G_CALLBACK (gl_object_editor_changed_cb),
+ G_OBJECT (editor));
+ g_signal_connect_swapped (G_OBJECT (editor->priv->shadow_color_combo),
+ "color_changed",
+ G_CALLBACK (gl_object_editor_changed_cb),
+ G_OBJECT (editor));
+ g_signal_connect_swapped (G_OBJECT (editor->priv->shadow_key_combo),
+ "changed",
+ G_CALLBACK (gl_object_editor_changed_cb),
+ G_OBJECT (editor));
+ g_signal_connect_swapped (G_OBJECT (editor->priv->shadow_color_radio),
+ "toggled",
+ G_CALLBACK (shadow_color_radio_toggled_cb),
+ G_OBJECT (editor));
+ g_signal_connect_swapped (G_OBJECT (editor->priv->shadow_key_radio),
+ "toggled",
+ G_CALLBACK (shadow_color_radio_toggled_cb),
+ G_OBJECT (editor));
+ g_signal_connect_swapped (G_OBJECT (editor->priv->shadow_opacity_spin),
+ "changed",
+ G_CALLBACK (gl_object_editor_changed_cb),
+ G_OBJECT (editor));
+
+ gl_debug (DEBUG_EDITOR, "END");
+}
+
+/*****************************************************************************/
+/* Set shadow parameters. */
+/*****************************************************************************/
+void
+gl_object_editor_set_shadow_state (glObjectEditor *editor,
+ gboolean state)
+{
+ gl_debug (DEBUG_EDITOR, "START");
+
+ g_signal_handlers_block_by_func (G_OBJECT(editor->priv->shadow_enable_check),
+ shadow_enable_check_toggled_cb,
+ editor);
+
+ gtk_toggle_button_set_state (GTK_TOGGLE_BUTTON (editor->priv->shadow_enable_check),
+ state);
+ gtk_widget_set_sensitive (editor->priv->shadow_controls_table, state);
+
+ g_signal_handlers_unblock_by_func (G_OBJECT(editor->priv->shadow_enable_check),
+ shadow_enable_check_toggled_cb,
+ editor);
+
+ gl_debug (DEBUG_EDITOR, "END");
+}
+
+void
+gl_object_editor_set_shadow_offset (glObjectEditor *editor,
+ gdouble x,
+ gdouble y)
+{
+ gl_debug (DEBUG_EDITOR, "START");
+
+ g_signal_handlers_block_by_func (G_OBJECT(editor->priv->shadow_x_spin),
+ gl_object_editor_changed_cb,
+ editor);
+ g_signal_handlers_block_by_func (G_OBJECT(editor->priv->shadow_y_spin),
+ gl_object_editor_changed_cb,
+ editor);
+
+ /* save a copy in internal units */
+ editor->priv->shadow_x = x;
+ editor->priv->shadow_y = y;
+
+ /* convert internal units to displayed units */
+ gl_debug (DEBUG_EDITOR, "internal x,y = %g, %g", x, y);
+ x *= editor->priv->units_per_point;
+ y *= editor->priv->units_per_point;
+ gl_debug (DEBUG_EDITOR, "display x,y = %g, %g", x, y);
+
+ /* Set widget values */
+ gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->priv->shadow_x_spin), x);
+ gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->priv->shadow_y_spin), y);
+
+ g_signal_handlers_unblock_by_func (G_OBJECT(editor->priv->shadow_x_spin),
+ gl_object_editor_changed_cb,
+ editor);
+ g_signal_handlers_unblock_by_func (G_OBJECT(editor->priv->shadow_y_spin),
+ gl_object_editor_changed_cb,
+ editor);
+
+ gl_debug (DEBUG_EDITOR, "END");
+}
+
+void
+gl_object_editor_set_shadow_color (glObjectEditor *editor,
+ gboolean merge_flag,
+ glColorNode *color_node)
+{
+ GdkColor *gdk_color;
+
+ gl_debug (DEBUG_EDITOR, "START");
+
+ g_signal_handlers_block_by_func (G_OBJECT(editor->priv->shadow_color_combo),
+ G_CALLBACK (gl_object_editor_changed_cb),
+ editor);
+ g_signal_handlers_block_by_func (G_OBJECT(editor->priv->shadow_key_combo),
+ G_CALLBACK (gl_object_editor_changed_cb),
+ editor);
+
+ gtk_widget_set_sensitive (editor->priv->shadow_key_radio, merge_flag);
+
+ if ( color_node->color == GL_COLOR_NONE ) {
+
+ color_combo_set_color_to_default (COLOR_COMBO(editor->priv->shadow_color_combo));
+
+ } else {
+
+ gdk_color = gl_color_to_gdk_color (color_node->color);
+ color_combo_set_color (COLOR_COMBO(editor->priv->shadow_color_combo),
+ gdk_color);
+ g_free (gdk_color);
+
+ }
+
+ if (!color_node->field_flag) {
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
+ (editor->priv->shadow_color_radio), TRUE);
+ gtk_widget_set_sensitive (editor->priv->shadow_color_combo, TRUE);
+ gtk_widget_set_sensitive (editor->priv->shadow_key_combo, FALSE);
+
+ } else {
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
+ (editor->priv->shadow_key_radio), TRUE);
+ gtk_widget_set_sensitive (editor->priv->shadow_color_combo, FALSE);
+ gtk_widget_set_sensitive (editor->priv->shadow_key_combo, TRUE);
+
+ gl_util_combo_box_set_active_text (GTK_COMBO_BOX (editor->priv->shadow_key_combo),
+ color_node->key);
+ }
+
+ g_signal_handlers_unblock_by_func (G_OBJECT(editor->priv->shadow_color_combo),
+ G_CALLBACK (gl_object_editor_changed_cb),
+ editor);
+ g_signal_handlers_unblock_by_func (G_OBJECT(editor->priv->shadow_key_combo),
+ G_CALLBACK (gl_object_editor_changed_cb),
+ editor);
+
+ gl_debug (DEBUG_EDITOR, "END");
+}
+
+void
+gl_object_editor_set_shadow_opacity (glObjectEditor *editor,
+ gdouble alpha)
+{
+ gl_debug (DEBUG_EDITOR, "START");
+
+ g_signal_handlers_block_by_func (G_OBJECT(editor->priv->shadow_opacity_spin),
+ gl_object_editor_changed_cb,
+ editor);
+
+ gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->priv->shadow_opacity_spin),
+ alpha * 100.0);
+
+ g_signal_handlers_unblock_by_func (G_OBJECT(editor->priv->shadow_opacity_spin),
+ gl_object_editor_changed_cb,
+ editor);
+
+ gl_debug (DEBUG_EDITOR, "END");
+}
+
+
+/*****************************************************************************/
+/* Set maximum shadow offset. */
+/*****************************************************************************/
+void
+gl_object_editor_set_max_shadow_offset (glObjectEditor *editor,
+ gdouble x_max,
+ gdouble y_max)
+{
+ gdouble tmp;
+
+ gl_debug (DEBUG_EDITOR, "START");
+
+ g_signal_handlers_block_by_func (G_OBJECT(editor->priv->shadow_x_spin),
+ gl_object_editor_changed_cb,
+ editor);
+ g_signal_handlers_block_by_func (G_OBJECT(editor->priv->shadow_y_spin),
+ gl_object_editor_changed_cb,
+ editor);
+
+ /* save a copy in internal units */
+ editor->priv->shadow_x_max = x_max;
+ editor->priv->shadow_y_max = y_max;
+
+ /* convert internal units to displayed units */
+ gl_debug (DEBUG_EDITOR, "internal x_max,y_max = %g, %g", x_max, y_max);
+ x_max *= editor->priv->units_per_point;
+ y_max *= editor->priv->units_per_point;
+ gl_debug (DEBUG_EDITOR, "display x_max,y_max = %g, %g", x_max, y_max);
+
+ /* Set widget values */
+ tmp = gtk_spin_button_get_value (GTK_SPIN_BUTTON (editor->priv->shadow_x_spin));
+ gtk_spin_button_set_range (GTK_SPIN_BUTTON (editor->priv->shadow_x_spin),
+ -x_max, x_max);
+ gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->priv->shadow_x_spin), tmp);
+ tmp = gtk_spin_button_get_value (GTK_SPIN_BUTTON (editor->priv->shadow_y_spin));
+ gtk_spin_button_set_range (GTK_SPIN_BUTTON (editor->priv->shadow_y_spin),
+ -y_max, y_max);
+ gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->priv->shadow_y_spin), tmp);
+
+ g_signal_handlers_unblock_by_func (G_OBJECT(editor->priv->shadow_x_spin),
+ gl_object_editor_changed_cb,
+ editor);
+ g_signal_handlers_unblock_by_func (G_OBJECT(editor->priv->shadow_y_spin),
+ gl_object_editor_changed_cb,
+ editor);
+
+ gl_debug (DEBUG_EDITOR, "END");
+}
+
+/*****************************************************************************/
+/* Query shadow parameters. */
+/*****************************************************************************/
+gboolean
+gl_object_editor_get_shadow_state (glObjectEditor *editor)
+{
+ gboolean state;
+
+ gl_debug (DEBUG_EDITOR, "START");
+
+ state = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->shadow_enable_check));
+
+ gl_debug (DEBUG_EDITOR, "END");
+
+ return state;
+}
+
+void
+gl_object_editor_get_shadow_offset (glObjectEditor *editor,
+ gdouble *x,
+ gdouble *y)
+{
+ gl_debug (DEBUG_EDITOR, "START");
+
+ /* Get values from widgets */
+ *x = gtk_spin_button_get_value (GTK_SPIN_BUTTON (editor->priv->shadow_x_spin));
+ *y = gtk_spin_button_get_value (GTK_SPIN_BUTTON (editor->priv->shadow_y_spin));
+
+ /* convert everything back to our internal units (points) */
+ *x /= editor->priv->units_per_point;
+ *y /= editor->priv->units_per_point;
+
+ /* save a copy in internal units */
+ editor->priv->shadow_x = *x;
+ editor->priv->shadow_y = *y;
+
+ gl_debug (DEBUG_EDITOR, "END");
+}
+
+glColorNode*
+gl_object_editor_get_shadow_color (glObjectEditor *editor)
+{
+ GdkColor *gdk_color;
+ gboolean is_default;
+ glColorNode *color_node;
+
+ gl_debug (DEBUG_EDITOR, "START");
+
+ color_node = gl_color_node_new_default ();
+
+ if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->shadow_key_radio))) {
+ color_node->field_flag = TRUE;
+ color_node->key =
+ gtk_combo_box_get_active_text (GTK_COMBO_BOX (editor->priv->shadow_key_combo));
+ } else {
+ color_node->field_flag = FALSE;
+ color_node->key = NULL;
+ gdk_color = color_combo_get_color (COLOR_COMBO(editor->priv->shadow_color_combo),
+ &is_default);
+
+ if (!is_default) {
+ color_node->color = gl_color_from_gdk_color (gdk_color);
+ }
+ }
+
+ gl_debug (DEBUG_EDITOR, "END");
+
+ return color_node;
+}
+
+gdouble
+gl_object_editor_get_shadow_opacity (glObjectEditor *editor)
+{
+ gdouble alpha;
+
+ gl_debug (DEBUG_EDITOR, "START");
+
+ alpha = gtk_spin_button_get_value (GTK_SPIN_BUTTON (editor->priv->shadow_opacity_spin));
+
+ gl_debug (DEBUG_EDITOR, "END");
+
+ return alpha / 100.0;
+}
+
+
+/*****************************************************************************/
+/* PRIVATE. Prefs changed callback. Update units related items. */
+/*****************************************************************************/
+void
+shadow_prefs_changed_cb (glObjectEditor *editor)
+{
+ const gchar *units_string;
+ gdouble climb_rate;
+ gint digits;
+
+ gl_debug (DEBUG_EDITOR, "START");
+
+ /* Get new configuration information */
+ units_string = gl_prefs_get_units_string ();
+ editor->priv->units_per_point = gl_prefs_get_units_per_point ();
+ climb_rate = gl_prefs_get_units_step_size ();
+ digits = gl_prefs_get_units_precision ();
+
+ /* Update characteristics of x_spin/y_spin */
+ g_signal_handlers_block_by_func (G_OBJECT(editor->priv->shadow_x_spin),
+ gl_object_editor_changed_cb,
+ editor);
+ g_signal_handlers_block_by_func (G_OBJECT(editor->priv->shadow_y_spin),
+ gl_object_editor_changed_cb,
+ editor);
+ gtk_spin_button_set_digits (GTK_SPIN_BUTTON(editor->priv->shadow_x_spin),
+ digits);
+ gtk_spin_button_set_digits (GTK_SPIN_BUTTON(editor->priv->shadow_y_spin),
+ digits);
+ gtk_spin_button_set_increments (GTK_SPIN_BUTTON(editor->priv->shadow_x_spin),
+ climb_rate, 10.0*climb_rate);
+ gtk_spin_button_set_increments (GTK_SPIN_BUTTON(editor->priv->shadow_y_spin),
+ climb_rate, 10.0*climb_rate);
+ g_signal_handlers_unblock_by_func (G_OBJECT(editor->priv->shadow_x_spin),
+ gl_object_editor_changed_cb,
+ editor);
+ g_signal_handlers_unblock_by_func (G_OBJECT(editor->priv->shadow_y_spin),
+ gl_object_editor_changed_cb,
+ editor);
+
+ /* Update units_labels */
+ gtk_label_set_text (GTK_LABEL(editor->priv->shadow_x_units_label),
+ units_string);
+ gtk_label_set_text (GTK_LABEL(editor->priv->shadow_y_units_label),
+ units_string);
+
+ /* Update values of x_spin/y_spin */
+ gl_object_editor_set_shadow_offset (editor,
+ editor->priv->shadow_x,
+ editor->priv->shadow_y);
+ gl_object_editor_set_max_shadow_offset (editor,
+ editor->priv->shadow_x_max,
+ editor->priv->shadow_y_max);
+
+ gl_debug (DEBUG_EDITOR, "END");
+}
+
+/*--------------------------------------------------------------------------*/
+/* PRIVATE. shadow enable check callback. */
+/*--------------------------------------------------------------------------*/
+static void
+shadow_enable_check_toggled_cb (glObjectEditor *editor)
+{
+ gboolean state;
+
+ gl_debug (DEBUG_EDITOR, "START");
+
+ state = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->shadow_enable_check));
+
+ gtk_widget_set_sensitive (editor->priv->shadow_controls_table, state);
+
+ /* Emit our "changed" signal */
+ g_signal_emit (G_OBJECT (editor), gl_object_editor_signals[CHANGED], 0);
+
+ gl_debug (DEBUG_EDITOR, "END");
+}
+
+
+/*--------------------------------------------------------------------------*/
+/* PRIVATE. shadow color radio callback. */
+/*--------------------------------------------------------------------------*/
+static void
+shadow_color_radio_toggled_cb (glObjectEditor *editor)
+{
+ gl_debug (DEBUG_EDITOR, "START");
+
+ if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->shadow_color_radio))) {
+ gtk_widget_set_sensitive (editor->priv->shadow_color_combo, TRUE);
+ gtk_widget_set_sensitive (editor->priv->shadow_key_combo, FALSE);
+ } else {
+ gtk_widget_set_sensitive (editor->priv->shadow_color_combo, FALSE);
+ gtk_widget_set_sensitive (editor->priv->shadow_key_combo, TRUE);
+
+ }
+
+ /* Emit our "changed" signal */
+ g_signal_emit (G_OBJECT (editor), gl_object_editor_signals[CHANGED], 0);
+
+ gl_debug (DEBUG_EDITOR, "END");
+}
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