git.sur5r.net Git - glabels/blob - glabels2/src/rotate-label-button.c

   1 /*
   2  *  rotate-label-button.c
   3  *  Copyright (C) 2001-2009  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 "rotate-label-button.h"
  24
  25 #include <glib/gi18n.h>
  26 #include <gtk/gtk.h>
  27 #include <math.h>
  28
  29 #include <libglabels/libglabels.h>
  30 #include "mini-label-preview.h"
  31 #include "hig.h"
  32 #include "marshal.h"
  33
  34 #include "debug.h"
  35
  36
  37 /*========================================================*/
  38 /* Private macros and constants.                          */
  39 /*========================================================*/
  40
  41 #define SIZE 48
  42
  43
  44 /*===========================================*/
  45 /* Private types                             */
  46 /*===========================================*/
  47
  48 struct _glRotateLabelButtonPrivate {
  49
  50         GtkWidget    *no_rotate_radio;
  51         GtkWidget    *rotate_radio;
  52         GtkWidget    *no_rotate_preview;
  53         GtkWidget    *rotate_preview;
  54 };
  55
  56 enum {
  57         CHANGED,
  58         LAST_SIGNAL
  59 };
  60
  61
  62 /*===========================================*/
  63 /* Private globals                           */
  64 /*===========================================*/
  65
  66 static gint rotate_label_button_signals[LAST_SIGNAL] = { 0 };
  67
  68
  69 /*===========================================*/
  70 /* Local function prototypes                 */
  71 /*===========================================*/
  72
  73 static void gl_rotate_label_button_finalize    (GObject                *object);
  74
  75 static void toggled_cb                         (GtkToggleButton        *toggle,
  76                                                 gpointer                user_data);
  77
  78
  79 /****************************************************************************/
  80 /* Boilerplate Object stuff.                                                */
  81 /****************************************************************************/
  82 G_DEFINE_TYPE (glRotateLabelButton, gl_rotate_label_button, GTK_TYPE_HBOX);
  83
  84
  85 static void
  86 gl_rotate_label_button_class_init (glRotateLabelButtonClass *class)
  87 {
  88         GObjectClass *object_class = G_OBJECT_CLASS (class);
  89
  90         gl_rotate_label_button_parent_class = g_type_class_peek_parent (class);
  91
  92         object_class->finalize = gl_rotate_label_button_finalize;
  93
  94         rotate_label_button_signals[CHANGED] =
  95             g_signal_new ("changed",
  96                           G_OBJECT_CLASS_TYPE(object_class),
  97                           G_SIGNAL_RUN_LAST,
  98                           G_STRUCT_OFFSET (glRotateLabelButtonClass, changed),
  99                           NULL, NULL,
 100                           gl_marshal_VOID__VOID,
 101                           G_TYPE_NONE, 0);
 102
 103 }
 104
 105
 106 static void
 107 gl_rotate_label_button_init (glRotateLabelButton *this)
 108 {
 109         GtkWidget *vbox;
 110         GtkWidget *label;
 111
 112         this->priv = g_new0 (glRotateLabelButtonPrivate, 1);
 113
 114         gtk_container_set_border_width (GTK_CONTAINER (this), GL_HIG_PAD2);
 115
 116         this->priv->no_rotate_radio = gtk_radio_button_new (NULL);
 117         gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (this->priv->no_rotate_radio),
 118                                     FALSE);
 119         vbox = gtk_vbox_new (FALSE, 1);
 120         this->priv->no_rotate_preview = gl_mini_label_preview_new (SIZE, SIZE);
 121         gtk_box_pack_start (GTK_BOX (vbox), this->priv->no_rotate_preview, FALSE, FALSE, 0);
 122         label = gtk_label_new (_("Normal"));
 123         gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
 124         gtk_container_add (GTK_CONTAINER (this->priv->no_rotate_radio), vbox);
 125
 126
 127         this->priv->rotate_radio    = gtk_radio_button_new_from_widget (GTK_RADIO_BUTTON (this->priv->no_rotate_radio));
 128         gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (this->priv->rotate_radio),
 129                                     FALSE);
 130         vbox = gtk_vbox_new (FALSE, 1);
 131         this->priv->rotate_preview    = gl_mini_label_preview_new (SIZE, SIZE);
 132         gtk_box_pack_start (GTK_BOX (vbox), this->priv->rotate_preview, FALSE, FALSE, 0);
 133         label = gtk_label_new (_("Rotated"));
 134         gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
 135         gtk_container_add (GTK_CONTAINER (this->priv->rotate_radio), vbox);
 136
 137         gtk_box_pack_start (GTK_BOX (this),
 138                             this->priv->no_rotate_radio,
 139                             FALSE, FALSE, GL_HIG_PAD1);
 140         gtk_box_pack_start (GTK_BOX (this),
 141                             this->priv->rotate_radio,
 142                             FALSE, FALSE, GL_HIG_PAD1);
 143
 144         /* Connect signals to controls */
 145         g_signal_connect (G_OBJECT (this->priv->no_rotate_radio),
 146                           "toggled",
 147                           G_CALLBACK (toggled_cb), this);
 148         g_signal_connect (G_OBJECT (this->priv->rotate_radio),
 149                           "toggled",
 150                           G_CALLBACK (toggled_cb), this);
 151 }
 152
 153
 154 static void
 155 gl_rotate_label_button_finalize (GObject *object)
 156 {
 157         glRotateLabelButton      *this = GL_ROTATE_LABEL_BUTTON (object);
 158
 159         g_return_if_fail (object != NULL);
 160         g_return_if_fail (GL_IS_ROTATE_LABEL_BUTTON (object));
 161
 162         g_free (this->priv);
 163
 164         G_OBJECT_CLASS (gl_rotate_label_button_parent_class)->finalize (object);
 165 }
 166
 167
 168 GtkWidget *
 169 gl_rotate_label_button_new (void)
 170 {
 171         glRotateLabelButton *this;
 172
 173         this = g_object_new (gl_rotate_label_button_get_type (), NULL);
 174
 175         return GTK_WIDGET (this);
 176 }
 177
 178
 179 /*--------------------------------------------------------------------------*/
 180 /* PRIVATE.  modify widget due to change of check button                    */
 181 /*--------------------------------------------------------------------------*/
 182 static void
 183 toggled_cb (GtkToggleButton *toggle,
 184             gpointer         user_data)
 185 {
 186
 187         /* Emit our "changed" signal */
 188         g_signal_emit (G_OBJECT (user_data),
 189                        rotate_label_button_signals[CHANGED], 0);
 190
 191 }
 192
 193
 194 /****************************************************************************/
 195 /* query state of widget.                                                   */
 196 /****************************************************************************/
 197 gboolean
 198 gl_rotate_label_button_get_state (glRotateLabelButton *this)
 199 {
 200         return
 201             gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON
 202                                           (this->priv->rotate_radio));
 203 }
 204
 205 /****************************************************************************/
 206 /* set state of widget.                                                     */
 207 /****************************************************************************/
 208 void
 209 gl_rotate_label_button_set_state (glRotateLabelButton *this,
 210                                   gboolean             state)
 211 {
 212         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
 213                                       (this->priv->rotate_radio), state);
 214 }
 215
 216 /****************************************************************************/
 217 /* set template for widget.                                                 */
 218 /****************************************************************************/
 219 void
 220 gl_rotate_label_button_set_template_name (glRotateLabelButton *this,
 221                                           gchar               *name)
 222 {
 223         lglTemplate               *template;
 224         const lglTemplateFrame    *frame;
 225         gdouble                    raw_w, raw_h;
 226
 227         if (name == NULL)
 228         {
 229                 gtk_widget_set_sensitive (this->priv->no_rotate_radio, FALSE);
 230                 gtk_widget_set_sensitive (this->priv->rotate_radio, FALSE);
 231         }
 232         else
 233         {
 234                 template = lgl_db_lookup_template_from_name (name);
 235                 frame = (lglTemplateFrame *)template->frames->data;
 236
 237                 gl_mini_label_preview_set_by_name (GL_MINI_LABEL_PREVIEW (this->priv->no_rotate_preview),
 238                                                    name, FALSE);
 239                 gl_mini_label_preview_set_by_name (GL_MINI_LABEL_PREVIEW (this->priv->rotate_preview),
 240                                                    name, TRUE);
 241
 242                 lgl_template_frame_get_size (frame, &raw_w, &raw_h);
 243                 gtk_widget_set_sensitive (this->priv->no_rotate_radio,
 244                                           (raw_w != raw_h));
 245                 gtk_widget_set_sensitive (this->priv->rotate_radio,
 246                                           (raw_w != raw_h));
 247
 248                 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
 249                                               (this->priv->no_rotate_radio), TRUE);
 250                 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
 251                                               (this->priv->rotate_radio), FALSE);
 252         }
 253
 254 }
 255
 256
 257
 258 /*
 259  * Local Variables:       -- emacs
 260  * mode: C                -- emacs
 261  * c-basic-offset: 8      -- emacs
 262  * tab-width: 8           -- emacs
 263  * indent-tabs-mode: nil  -- emacs
 264  * End:                   -- emacs
 265  */