git.sur5r.net Git - glabels/blob - src/object-editor-line-page.c

   1 /*
   2  *  object-editor-line-page.c
   3  *  Copyright (C) 2003-2009  Jim Evins <evins@snaught.com>.
   4  *
   5  *  This file is part of gLabels.
   6  *
   7  *  gLabels is free software: you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation, either version 3 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  gLabels is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with gLabels.  If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include <config.h>
  22
  23 #include "object-editor.h"
  24
  25 #include <glib/gi18n.h>
  26 #include <gtk/gtk.h>
  27 #include <math.h>
  28
  29 #include "prefs.h"
  30 #include "color-combo.h"
  31 #include "color.h"
  32 #include "field-button.h"
  33 #include "builder-util.h"
  34
  35 #include "object-editor-private.h"
  36
  37 #include "debug.h"
  38
  39
  40 /*===========================================*/
  41 /* Private macros                            */
  42 /*===========================================*/
  43
  44
  45 /*===========================================*/
  46 /* Private data types                        */
  47 /*===========================================*/
  48
  49
  50 /*===========================================*/
  51 /* Private globals                           */
  52 /*===========================================*/
  53
  54
  55 /*===========================================*/
  56 /* Local function prototypes                 */
  57 /*===========================================*/
  58 static void line_radio_toggled_cb               (glObjectEditor        *editor);
  59
  60
  61 /*--------------------------------------------------------------------------*/
  62 /* PRIVATE.  Prepare line page.                                             */
  63 /*--------------------------------------------------------------------------*/
  64 void
  65 gl_object_editor_prepare_line_page (glObjectEditor *editor)
  66 {
  67         gl_debug (DEBUG_EDITOR, "START");
  68
  69         /* Extract widgets from XML tree. */
  70         gl_builder_util_get_widgets (editor->priv->builder,
  71                                      "line_page_vbox",   &editor->priv->line_page_vbox,
  72                                      "line_width_spin",  &editor->priv->line_width_spin,
  73                                      "line_color_hbox",  &editor->priv->line_color_hbox,
  74                                      "line_key_hbox",    &editor->priv->line_key_hbox,
  75                                      "line_key_radio",   &editor->priv->line_key_radio,
  76                                      "line_color_radio", &editor->priv->line_color_radio,
  77                                      NULL);
  78
  79         editor->priv->line_color_combo = gl_color_combo_new (_("No Line"),
  80                                                              GL_COLOR_NO_LINE,
  81                                                              gl_prefs_model_get_default_line_color (gl_prefs));
  82         gtk_box_pack_start (GTK_BOX (editor->priv->line_color_hbox),
  83                             editor->priv->line_color_combo,
  84                             FALSE, FALSE, 0);
  85
  86         editor->priv->line_key_combo = gl_field_button_new (NULL);
  87         gtk_box_pack_start (GTK_BOX (editor->priv->line_key_hbox),
  88                             editor->priv->line_key_combo,
  89                             TRUE, TRUE, 0);
  90
  91         /* Modify widgets based on configuration */
  92         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (editor->priv->line_color_radio), TRUE);
  93         gtk_widget_set_sensitive (editor->priv->line_color_combo, TRUE);
  94     gtk_widget_set_sensitive (editor->priv->line_key_combo, FALSE);
  95         gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->priv->line_width_spin),
  96                                    gl_prefs_model_get_default_line_width (gl_prefs));
  97         gl_color_combo_set_color (GL_COLOR_COMBO(editor->priv->line_color_combo),
  98                                   gl_prefs_model_get_default_line_color (gl_prefs));
  99
 100         /* Un-hide */
 101         gtk_widget_show_all (editor->priv->line_page_vbox);
 102
 103         /* Connect signals */
 104         g_signal_connect_swapped (G_OBJECT (editor->priv->line_width_spin),
 105                                   "value-changed",
 106                                   G_CALLBACK (gl_object_editor_changed_cb),
 107                                   G_OBJECT (editor));
 108         g_signal_connect_swapped (G_OBJECT (editor->priv->line_color_combo),
 109                                   "color_changed",
 110                                   G_CALLBACK (gl_object_editor_changed_cb),
 111                                   G_OBJECT (editor));
 112         g_signal_connect_swapped (G_OBJECT (editor->priv->line_key_combo),
 113                                   "changed",
 114                                   G_CALLBACK (gl_object_editor_changed_cb),
 115                                   G_OBJECT (editor));
 116         g_signal_connect_swapped (G_OBJECT (editor->priv->line_color_radio),
 117                                   "toggled",
 118                                   G_CALLBACK (line_radio_toggled_cb),
 119                                   G_OBJECT (editor));
 120         g_signal_connect_swapped (G_OBJECT (editor->priv->line_key_radio),
 121                                   "toggled",
 122                                   G_CALLBACK (line_radio_toggled_cb),
 123                                   G_OBJECT (editor));
 124
 125         gl_debug (DEBUG_EDITOR, "END");
 126 }
 127
 128
 129 /*****************************************************************************/
 130 /* Set line width.                                                           */
 131 /*****************************************************************************/
 132 void
 133 gl_object_editor_set_line_width (glObjectEditor      *editor,
 134                                  gdouble              width)
 135 {
 136         gl_debug (DEBUG_EDITOR, "START");
 137
 138
 139         g_signal_handlers_block_by_func (G_OBJECT (editor->priv->line_width_spin),
 140                                          gl_object_editor_changed_cb, editor);
 141
 142
 143         /* Set widget values */
 144         gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->priv->line_width_spin),
 145                                    width);
 146
 147
 148         g_signal_handlers_unblock_by_func (G_OBJECT (editor->priv->line_width_spin),
 149                                            gl_object_editor_changed_cb, editor);
 150
 151
 152         gl_debug (DEBUG_EDITOR, "END");
 153 }
 154
 155
 156 /*****************************************************************************/
 157 /* Query line width.                                                         */
 158 /*****************************************************************************/
 159 gdouble
 160 gl_object_editor_get_line_width (glObjectEditor      *editor)
 161 {
 162         gdouble w;
 163
 164         gl_debug (DEBUG_EDITOR, "START");
 165
 166         w = gtk_spin_button_get_value (GTK_SPIN_BUTTON(editor->priv->line_width_spin));
 167
 168         gl_debug (DEBUG_EDITOR, "END");
 169
 170         return w;
 171 }
 172
 173
 174 /*****************************************************************************/
 175 /* Set line color.                                                           */
 176 /*****************************************************************************/
 177 void
 178 gl_object_editor_set_line_color (glObjectEditor      *editor,
 179                                  gboolean             merge_flag,
 180                                  glColorNode         *color_node)
 181 {
 182         gl_debug (DEBUG_EDITOR, "START");
 183
 184         if (color_node == NULL)
 185         {
 186                 return;
 187         }
 188
 189
 190         g_signal_handlers_block_by_func (G_OBJECT (editor->priv->line_color_combo),
 191                                          gl_object_editor_changed_cb, editor);
 192         g_signal_handlers_block_by_func (G_OBJECT (editor->priv->line_color_radio),
 193                                          line_radio_toggled_cb, editor);
 194         g_signal_handlers_block_by_func (G_OBJECT (editor->priv->line_key_radio),
 195                                          line_radio_toggled_cb, editor);
 196         g_signal_handlers_block_by_func (G_OBJECT (editor->priv->line_key_combo),
 197                                          gl_object_editor_changed_cb, editor);
 198
 199
 200         gl_debug (DEBUG_EDITOR, "color field %s(%d) / %X", color_node->key, color_node->field_flag, color_node->color);
 201         gtk_widget_set_sensitive (editor->priv->line_key_radio, merge_flag);
 202
 203         if ( color_node->color == GL_COLOR_NONE ) {
 204
 205                 gl_color_combo_set_to_default (GL_COLOR_COMBO(editor->priv->line_color_combo));
 206
 207         } else {
 208
 209                 gl_color_combo_set_color (GL_COLOR_COMBO(editor->priv->line_color_combo),
 210                                            color_node->color);
 211
 212         }
 213
 214         if (!color_node->field_flag || !merge_flag) {
 215                 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
 216                                                   (editor->priv->line_color_radio), TRUE);
 217                 gtk_widget_set_sensitive (editor->priv->line_color_combo, TRUE);
 218                 gtk_widget_set_sensitive (editor->priv->line_key_combo, FALSE);
 219
 220         } else {
 221                 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
 222                                                   (editor->priv->line_key_radio), TRUE);
 223                 gtk_widget_set_sensitive (editor->priv->line_color_combo, FALSE);
 224                 gtk_widget_set_sensitive (editor->priv->line_key_combo, TRUE);
 225
 226                 gl_field_button_set_key (GL_FIELD_BUTTON (editor->priv->line_key_combo),
 227                                          color_node->key);
 228         }
 229
 230
 231         g_signal_handlers_unblock_by_func (G_OBJECT (editor->priv->line_color_combo),
 232                                            gl_object_editor_changed_cb, editor);
 233         g_signal_handlers_unblock_by_func (G_OBJECT (editor->priv->line_color_radio),
 234                                            line_radio_toggled_cb, editor);
 235         g_signal_handlers_unblock_by_func (G_OBJECT (editor->priv->line_key_radio),
 236                                            line_radio_toggled_cb, editor);
 237         g_signal_handlers_unblock_by_func (G_OBJECT (editor->priv->line_key_combo),
 238                                            gl_object_editor_changed_cb, editor);
 239
 240
 241         gl_debug (DEBUG_EDITOR, "END");
 242 }
 243
 244
 245 /*****************************************************************************/
 246 /* Query line color.                                                         */
 247 /*****************************************************************************/
 248 glColorNode*
 249 gl_object_editor_get_line_color (glObjectEditor      *editor)
 250 {
 251         guint        color;
 252         gboolean     is_default;
 253         glColorNode *color_node;
 254
 255         gl_debug (DEBUG_EDITOR, "START");
 256
 257         color_node = gl_color_node_new_default ();
 258
 259         if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->line_key_radio))) {
 260                 color_node->field_flag = TRUE;
 261                 color_node->key =
 262                         gl_field_button_get_key (GL_FIELD_BUTTON (editor->priv->line_key_combo));
 263         } else {
 264                 color_node->field_flag = FALSE;
 265                 color_node->key = NULL;
 266                 color = gl_color_combo_get_color (GL_COLOR_COMBO(editor->priv->line_color_combo),
 267                                                   &is_default);
 268
 269                 if (!is_default) {
 270                         color_node->color = color;
 271                 }
 272         }
 273
 274         gl_debug (DEBUG_EDITOR, "END");
 275
 276         return color_node;
 277 }
 278
 279
 280 /*--------------------------------------------------------------------------*/
 281 /* PRIVATE.  line color radio callback.                                     */
 282 /*--------------------------------------------------------------------------*/
 283 static void
 284 line_radio_toggled_cb (glObjectEditor *editor)
 285 {
 286         gl_debug (DEBUG_EDITOR, "START");
 287
 288         if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->line_color_radio))) {
 289                 gtk_widget_set_sensitive (editor->priv->line_color_combo, TRUE);
 290                 gtk_widget_set_sensitive (editor->priv->line_key_combo, FALSE);
 291         } else {
 292                 gtk_widget_set_sensitive (editor->priv->line_color_combo, FALSE);
 293                 gtk_widget_set_sensitive (editor->priv->line_key_combo, TRUE);
 294
 295         }
 296
 297         gl_object_editor_changed_cb (editor);
 298
 299         gl_debug (DEBUG_EDITOR, "END");
 300 }
 301
 302
 303
 304 /*
 305  * Local Variables:       -- emacs
 306  * mode: C                -- emacs
 307  * c-basic-offset: 8      -- emacs
 308  * tab-width: 8           -- emacs
 309  * indent-tabs-mode: nil  -- emacs
 310  * End:                   -- emacs
 311  */