git.sur5r.net Git - glabels/blob - glabels2/src/wdgt-text-props.c

   1 /*
   2  *  (GLABELS) Label and Business Card Creation program for GNOME
   3  *
   4  *  wdgt_text_props.c:  text properties widget module
   5  *
   6  *  Copyright (C) 2001-2002  Jim Evins <evins@snaught.com>.
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  21  */
  22
  23 #include <config.h>
  24
  25 #include <gnome.h>
  26
  27 #include "mygal/widget-color-combo.h"
  28 #include "prefs.h"
  29 #include "wdgt-text-props.h"
  30 #include "marshal.h"
  31 #include "color.h"
  32
  33 #include "debug.h"
  34
  35 /*===========================================*/
  36 /* Private types                             */
  37 /*===========================================*/
  38
  39 enum {
  40         CHANGED,
  41         LAST_SIGNAL
  42 };
  43
  44 typedef void (*glWdgtTextPropsSignal) (GObject *object, gpointer data);
  45
  46 /*===========================================*/
  47 /* Private globals                           */
  48 /*===========================================*/
  49
  50 static GObjectClass *parent_class;
  51
  52 static gint wdgt_text_props_signals[LAST_SIGNAL] = { 0 };
  53
  54 /*===========================================*/
  55 /* Local function prototypes                 */
  56 /*===========================================*/
  57
  58 static void gl_wdgt_text_props_class_init    (glWdgtTextPropsClass *class);
  59 static void gl_wdgt_text_props_instance_init (glWdgtTextProps      *text);
  60 static void gl_wdgt_text_props_finalize      (GObject              *object);
  61 static void gl_wdgt_text_props_construct     (glWdgtTextProps      *text);
  62
  63 static void family_changed_cb (GtkEntry        *entry,
  64                                glWdgtTextProps *text);
  65
  66 static void changed_cb        (glWdgtTextProps *text);
  67
  68 static void just_toggled_cb   (GtkToggleButton *togglebutton,
  69                                gpointer         user_data);
  70 \f
  71 /*****************************************************************************/
  72 /* Boilerplate Object stuff.                                                 */
  73 /*****************************************************************************/
  74 guint
  75 gl_wdgt_text_props_get_type (void)
  76 {
  77         static guint wdgt_text_props_type = 0;
  78
  79         if (!wdgt_text_props_type) {
  80                 GTypeInfo wdgt_text_props_info = {
  81                         sizeof (glWdgtTextPropsClass),
  82                         NULL,
  83                         NULL,
  84                         (GClassInitFunc) gl_wdgt_text_props_class_init,
  85                         NULL,
  86                         NULL,
  87                         sizeof (glWdgtTextProps),
  88                         0,
  89                         (GInstanceInitFunc) gl_wdgt_text_props_instance_init,
  90                 };
  91
  92                 wdgt_text_props_type =
  93                     g_type_register_static (gl_hig_vbox_get_type (),
  94                                             "glWdgtTextProps",
  95                                             &wdgt_text_props_info, 0);
  96         }
  97
  98         return wdgt_text_props_type;
  99 }
 100
 101 static void
 102 gl_wdgt_text_props_class_init (glWdgtTextPropsClass *class)
 103 {
 104         GObjectClass *object_class;
 105
 106         object_class = (GObjectClass *) class;
 107
 108         parent_class = g_type_class_peek_parent (class);
 109
 110         object_class->finalize = gl_wdgt_text_props_finalize;
 111
 112         wdgt_text_props_signals[CHANGED] =
 113             g_signal_new ("changed",
 114                           G_OBJECT_CLASS_TYPE(object_class),
 115                           G_SIGNAL_RUN_LAST,
 116                           G_STRUCT_OFFSET (glWdgtTextPropsClass, changed),
 117                           NULL, NULL,
 118                           gl_marshal_VOID__VOID,
 119                           G_TYPE_NONE, 0);
 120
 121 }
 122
 123 static void
 124 gl_wdgt_text_props_instance_init (glWdgtTextProps *text)
 125 {
 126         text->font_family_entry = NULL;
 127         text->font_size_spin = NULL;
 128         text->font_b_button = NULL;
 129         text->font_i_button = NULL;
 130
 131         text->color_picker = NULL;
 132
 133         text->left_button = NULL;
 134         text->right_button = NULL;
 135         text->center_button = NULL;
 136 }
 137
 138 static void
 139 gl_wdgt_text_props_finalize (GObject *object)
 140 {
 141         glWdgtTextProps *text;
 142
 143         g_return_if_fail (object != NULL);
 144         g_return_if_fail (GL_IS_WDGT_TEXT_PROPS (object));
 145
 146         text = GL_WDGT_TEXT_PROPS (object);
 147
 148         G_OBJECT_CLASS (parent_class)->finalize (object);
 149 }
 150
 151 /*****************************************************************************/
 152 /* New widget.                                                               */
 153 /*****************************************************************************/
 154 GtkWidget *
 155 gl_wdgt_text_props_new (void)
 156 {
 157         glWdgtTextProps *text;
 158
 159         text = g_object_new (gl_wdgt_text_props_get_type (), NULL);
 160
 161         gl_wdgt_text_props_construct (text);
 162
 163         return GTK_WIDGET (text);
 164 }
 165
 166 /*--------------------------------------------------------------------------*/
 167 /* PRIVATE. Construct composite widget.                                     */
 168 /*--------------------------------------------------------------------------*/
 169 static void
 170 gl_wdgt_text_props_construct (glWdgtTextProps *text)
 171 {
 172         GtkWidget  *wvbox, *whbox, *wcombo, *wbhbox;
 173         GList      *family_names = NULL;
 174         GtkObject  *adjust;
 175         ColorGroup *cg;
 176         GdkColor   *gdk_color;
 177
 178         wvbox = GTK_WIDGET (text);
 179
 180         /* ---- Font line ---- */
 181         whbox = gl_hig_hbox_new ();
 182         gl_hig_vbox_add_widget (GL_HIG_VBOX(wvbox), whbox);
 183
 184         /* Font label */
 185         text->font_label = gtk_label_new (_("Font:"));
 186         gtk_misc_set_alignment (GTK_MISC (text->font_label), 0, 0.5);
 187         gl_hig_hbox_add_widget (GL_HIG_HBOX(whbox), text->font_label);
 188
 189         /* Font family entry widget */
 190         wcombo = gtk_combo_new ();
 191         family_names = gnome_font_family_list ();
 192         gtk_combo_set_popdown_strings (GTK_COMBO (wcombo), family_names);
 193         gnome_font_family_list_free (family_names);
 194         text->font_family_entry = GTK_COMBO (wcombo)->entry;
 195         gtk_combo_set_value_in_list (GTK_COMBO(wcombo), TRUE, FALSE);
 196         gtk_entry_set_editable (GTK_ENTRY (text->font_family_entry), FALSE);
 197         gtk_widget_set_size_request (wcombo, 200, -1);
 198         gl_hig_hbox_add_widget (GL_HIG_HBOX(whbox), wcombo);
 199         g_signal_connect (G_OBJECT (text->font_family_entry),
 200                           "changed", G_CALLBACK (family_changed_cb), text);
 201
 202         /* Font size entry widget */
 203         adjust = gtk_adjustment_new (1.0, 1.0, 250.0, 1.0, 10.0, 10.0);
 204         text->font_size_spin =
 205             gtk_spin_button_new (GTK_ADJUSTMENT (adjust), 1.0, 0);
 206         gl_hig_hbox_add_widget (GL_HIG_HBOX(whbox), text->font_size_spin);
 207         g_signal_connect_swapped (G_OBJECT (text->font_size_spin), "changed",
 208                                   G_CALLBACK (changed_cb),
 209                                   G_OBJECT (text));
 210
 211         /* Font weight/italic button widgets */
 212         text->font_b_button = gtk_toggle_button_new ();
 213         gtk_container_add (GTK_CONTAINER (text->font_b_button),
 214                            gtk_image_new_from_stock (GTK_STOCK_BOLD,
 215                                                      GTK_ICON_SIZE_BUTTON));
 216         gl_hig_hbox_add_widget (GL_HIG_HBOX(whbox), text->font_b_button);
 217         g_signal_connect_swapped (G_OBJECT (text->font_b_button), "toggled",
 218                                   G_CALLBACK (changed_cb),
 219                                   G_OBJECT (text));
 220         text->font_i_button = gtk_toggle_button_new ();
 221         gtk_container_add (GTK_CONTAINER (text->font_i_button),
 222                            gtk_image_new_from_stock (GTK_STOCK_ITALIC,
 223                                                      GTK_ICON_SIZE_BUTTON));
 224         gl_hig_hbox_add_widget (GL_HIG_HBOX(whbox), text->font_i_button);
 225         g_signal_connect_swapped (G_OBJECT (text->font_i_button), "toggled",
 226                                   G_CALLBACK (changed_cb),
 227                                   G_OBJECT (text));
 228
 229         /* ---- Color line ---- */
 230         whbox = gl_hig_hbox_new ();
 231         gl_hig_vbox_add_widget (GL_HIG_VBOX(wvbox), whbox);
 232
 233         /* Text Color Label */
 234         text->color_label = gtk_label_new (_("Color:"));
 235         gtk_misc_set_alignment (GTK_MISC (text->color_label), 0, 0.5);
 236         gl_hig_hbox_add_widget (GL_HIG_HBOX(whbox), text->color_label);
 237
 238         /* Text Color picker widget */
 239         cg = color_group_fetch ("text_color_group", NULL);
 240         gdk_color = gl_color_to_gdk_color (gl_prefs->default_line_color);
 241         text->color_picker = color_combo_new (NULL, _("Default"), gdk_color, cg);
 242         color_combo_box_set_preview_relief (COLOR_COMBO(text->color_picker),
 243                                             GTK_RELIEF_NORMAL);
 244         g_free (gdk_color);
 245         g_signal_connect_swapped (G_OBJECT (text->color_picker), "color_changed",
 246                                   G_CALLBACK (changed_cb),
 247                                   G_OBJECT (text));
 248         gl_hig_hbox_add_widget (GL_HIG_HBOX(whbox), text->color_picker);
 249
 250         /* ---- Alignment line ---- */
 251         whbox = gl_hig_hbox_new ();
 252         gl_hig_vbox_add_widget (GL_HIG_VBOX(wvbox), whbox);
 253
 254         /* Alignment label */
 255         text->alignment_label = gtk_label_new (_("Alignment:"));
 256         gtk_misc_set_alignment (GTK_MISC (text->alignment_label), 0, 0.5);
 257         gl_hig_hbox_add_widget (GL_HIG_HBOX(whbox), text->alignment_label);
 258
 259         /* Justification entry widget */
 260         text->left_button = gtk_toggle_button_new ();
 261         gtk_container_add (GTK_CONTAINER (text->left_button),
 262                            gtk_image_new_from_stock (GTK_STOCK_JUSTIFY_LEFT,
 263                                                      GTK_ICON_SIZE_BUTTON));
 264         gl_hig_hbox_add_widget (GL_HIG_HBOX(whbox), text->left_button);
 265         text->center_button = gtk_toggle_button_new ();
 266         gtk_container_add (GTK_CONTAINER (text->center_button),
 267                            gtk_image_new_from_stock (GTK_STOCK_JUSTIFY_CENTER,
 268                                                      GTK_ICON_SIZE_BUTTON));
 269         gl_hig_hbox_add_widget (GL_HIG_HBOX(whbox), text->center_button);
 270         text->right_button = gtk_toggle_button_new ();
 271         gtk_container_add (GTK_CONTAINER (text->right_button),
 272                            gtk_image_new_from_stock (GTK_STOCK_JUSTIFY_RIGHT,
 273                                                      GTK_ICON_SIZE_BUTTON));
 274         gl_hig_hbox_add_widget (GL_HIG_HBOX(whbox), text->right_button);
 275
 276         /* Now connect a callback that makes these toggles mutually exclusive */
 277         g_signal_connect (G_OBJECT (text->left_button), "toggled",
 278                           G_CALLBACK (just_toggled_cb), text);
 279         g_signal_connect (G_OBJECT (text->center_button), "toggled",
 280                           G_CALLBACK (just_toggled_cb), text);
 281         g_signal_connect (G_OBJECT (text->right_button), "toggled",
 282                           G_CALLBACK (just_toggled_cb), text);
 283
 284 }
 285
 286 /*--------------------------------------------------------------------------*/
 287 /* PRIVATE.  modify widget due to change in selection                       */
 288 /*--------------------------------------------------------------------------*/
 289 static void
 290 family_changed_cb (GtkEntry        *entry,
 291                    glWdgtTextProps *text)
 292 {
 293         gchar *family_name;
 294
 295         family_name = gtk_editable_get_chars (GTK_EDITABLE (entry), 0, -1);
 296         if ( strlen(family_name) ) {
 297                 /* Emit our "changed" signal */
 298                 g_signal_emit (G_OBJECT (text),
 299                                wdgt_text_props_signals[CHANGED], 0);
 300         }
 301         g_free (family_name);
 302 }
 303
 304 /*--------------------------------------------------------------------------*/
 305 /* PRIVATE.  Callback for when any control in the widget has changed.       */
 306 /*--------------------------------------------------------------------------*/
 307 static void
 308 changed_cb (glWdgtTextProps *text)
 309 {
 310         /* Emit our "changed" signal */
 311         g_signal_emit (G_OBJECT (text), wdgt_text_props_signals[CHANGED], 0);
 312 }
 313 \f
 314 /*--------------------------------------------------------------------------*/
 315 /* PRIVATE.  Justify toggle button callback.                                */
 316 /*--------------------------------------------------------------------------*/
 317 static void
 318 just_toggled_cb (GtkToggleButton *togglebutton,
 319                  gpointer         user_data)
 320 {
 321         glWdgtTextProps *text = GL_WDGT_TEXT_PROPS (user_data);
 322
 323         if (gtk_toggle_button_get_active (togglebutton)) {
 324
 325                 if (GTK_WIDGET (togglebutton) == GTK_WIDGET (text->left_button)) {
 326                         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
 327                                                       (text->center_button),
 328                                                       FALSE);
 329                         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
 330                                                       (text->right_button),
 331                                                       FALSE);
 332                 } else if (GTK_WIDGET (togglebutton) ==
 333                            GTK_WIDGET (text->center_button)) {
 334                         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
 335                                                       (text->left_button),
 336                                                       FALSE);
 337                         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
 338                                                       (text->right_button),
 339                                                       FALSE);
 340                 } else if (GTK_WIDGET (togglebutton) ==
 341                            GTK_WIDGET (text->right_button)) {
 342                         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
 343                                                       (text->left_button),
 344                                                       FALSE);
 345                         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
 346                                                       (text->center_button),
 347                                                       FALSE);
 348                 }
 349
 350         }
 351
 352         /* Emit our "changed" signal */
 353         g_signal_emit (G_OBJECT (text), wdgt_text_props_signals[CHANGED], 0);
 354 }
 355 \f
 356 /*****************************************************************************/
 357 /* query values from controls.                                               */
 358 /*****************************************************************************/
 359 void
 360 gl_wdgt_text_props_get_params (glWdgtTextProps  *text,
 361                                gchar            **font_family,
 362                                gdouble          *font_size,
 363                                GnomeFontWeight  *font_weight,
 364                                gboolean         *font_italic_flag,
 365                                guint            *color,
 366                                GtkJustification *just)
 367 {
 368         GdkColor *gdk_color;
 369         gboolean  is_default;
 370
 371         /* ------ Get updated font information ------ */
 372         *font_family =
 373             gtk_editable_get_chars (GTK_EDITABLE (text->font_family_entry), 0,
 374                                     -1);
 375         *font_size =
 376             gtk_spin_button_get_value (GTK_SPIN_BUTTON(text->font_size_spin));
 377         if (gtk_toggle_button_get_active
 378             (GTK_TOGGLE_BUTTON (text->font_b_button))) {
 379                 *font_weight = GNOME_FONT_BOLD;
 380         } else {
 381                 *font_weight = GNOME_FONT_BOOK;
 382         }
 383         *font_italic_flag =
 384             gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON
 385                                           (text->font_i_button));
 386
 387         /* ------ Get updated color ------ */
 388         gdk_color = color_combo_get_color (COLOR_COMBO(text->color_picker),
 389                                            &is_default);
 390
 391         if (is_default) {
 392                 *color = gl_prefs->default_text_color;
 393         } else {
 394                 *color = gl_color_from_gdk_color (gdk_color);
 395         }
 396
 397         /* ------- Get updated justification ------ */
 398         if (gtk_toggle_button_get_active
 399             (GTK_TOGGLE_BUTTON (text->left_button))) {
 400                 *just = GTK_JUSTIFY_LEFT;
 401         } else
 402             if (gtk_toggle_button_get_active
 403                 (GTK_TOGGLE_BUTTON (text->right_button))) {
 404                 *just = GTK_JUSTIFY_RIGHT;
 405         } else
 406             if (gtk_toggle_button_get_active
 407                 (GTK_TOGGLE_BUTTON (text->center_button))) {
 408                 *just = GTK_JUSTIFY_CENTER;
 409         } else {
 410                 *just = GTK_JUSTIFY_LEFT;       /* Should not happen. */
 411         }
 412
 413 }
 414
 415 /*****************************************************************************/
 416 /* fill in values and ranges for controls.                                   */
 417 /*****************************************************************************/
 418 void
 419 gl_wdgt_text_props_set_params (glWdgtTextProps  *text,
 420                                gchar            *font_family,
 421                                gdouble          font_size,
 422                                GnomeFontWeight  font_weight,
 423                                gboolean         font_italic_flag,
 424                                guint            color,
 425                                GtkJustification just)
 426 {
 427         GList    *family_names;
 428         gchar    *good_font_family;
 429         GdkColor *gdk_color;
 430
 431         /* Make sure we have a valid font family.  if not provide a good default. */
 432         family_names = gnome_font_family_list ();
 433         if (g_list_find_custom (family_names, font_family, (GCompareFunc)g_utf8_collate)) {
 434                 good_font_family = g_strdup (font_family);
 435         } else {
 436                 if (family_names != NULL) {
 437                         good_font_family = g_strdup (family_names->data); /* 1st entry */
 438                 } else {
 439                         good_font_family = NULL;
 440                 }
 441         }
 442         gnome_font_family_list_free (family_names);
 443
 444         gtk_entry_set_text (GTK_ENTRY (text->font_family_entry), good_font_family);
 445         g_free (good_font_family);
 446
 447         gtk_spin_button_set_value (GTK_SPIN_BUTTON (text->font_size_spin),
 448                                    font_size);
 449
 450         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (text->font_b_button),
 451                                       (font_weight == GNOME_FONT_BOLD));
 452
 453         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (text->font_i_button),
 454                                       font_italic_flag);
 455
 456         gdk_color = gl_color_to_gdk_color (color);
 457         color_combo_set_color (COLOR_COMBO(text->color_picker), gdk_color);
 458         g_free (gdk_color);
 459
 460         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (text->left_button),
 461                                       (just == GTK_JUSTIFY_LEFT));
 462         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (text->center_button),
 463                                       (just == GTK_JUSTIFY_CENTER));
 464         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (text->right_button),
 465                                       (just == GTK_JUSTIFY_RIGHT));
 466 }
 467
 468 /*****************************************************************************/
 469 /* Set size group for internal labels                                        */
 470 /*****************************************************************************/
 471 void
 472 gl_wdgt_text_props_set_label_size_group (glWdgtTextProps *text,
 473                                          GtkSizeGroup    *label_size_group)
 474 {
 475         gtk_size_group_add_widget (label_size_group, text->font_label);
 476         gtk_size_group_add_widget (label_size_group, text->color_label);
 477         gtk_size_group_add_widget (label_size_group, text->alignment_label);
 478 }
 479