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/gtkradiobutton.h>
  27 #include <gtk/gtklabel.h>
  28 #include <gtk/gtkvbox.h>
  29 #include <math.h>
  30 #include "mini-label-preview.h"
  31 #include <libglabels/db.h>
  32 #include "hig.h"
  33 #include "marshal.h"
  34
  35 #include "debug.h"
  36
  37
  38 /*========================================================*/
  39 /* Private macros and constants.                          */
  40 /*========================================================*/
  41
  42 #define SIZE 48
  43
  44
  45 /*===========================================*/
  46 /* Private types                             */
  47 /*===========================================*/
  48
  49 struct _glRotateLabelButtonPrivate {
  50
  51         GtkWidget    *no_rotate_radio;
  52         GtkWidget    *rotate_radio;
  53         GtkWidget    *no_rotate_preview;
  54         GtkWidget    *rotate_preview;
  55 };
  56
  57 enum {
  58         CHANGED,
  59         LAST_SIGNAL
  60 };
  61
  62
  63 /*===========================================*/
  64 /* Private globals                           */
  65 /*===========================================*/
  66
  67 static gint rotate_label_button_signals[LAST_SIGNAL] = { 0 };
  68
  69
  70 /*===========================================*/
  71 /* Local function prototypes                 */
  72 /*===========================================*/
  73
  74 static void gl_rotate_label_button_finalize    (GObject                *object);
  75
  76 static void toggled_cb                         (GtkToggleButton        *toggle,
  77                                                 gpointer                user_data);
  78
  79
  80 /****************************************************************************/
  81 /* Boilerplate Object stuff.                                                */
  82 /****************************************************************************/
  83 G_DEFINE_TYPE (glRotateLabelButton, gl_rotate_label_button, GTK_TYPE_HBOX);
  84
  85
  86 static void
  87 gl_rotate_label_button_class_init (glRotateLabelButtonClass *class)
  88 {
  89         GObjectClass *object_class = G_OBJECT_CLASS (class);
  90
  91         gl_rotate_label_button_parent_class = g_type_class_peek_parent (class);
  92
  93         object_class->finalize = gl_rotate_label_button_finalize;
  94
  95         rotate_label_button_signals[CHANGED] =
  96             g_signal_new ("changed",
  97                           G_OBJECT_CLASS_TYPE(object_class),
  98                           G_SIGNAL_RUN_LAST,
  99                           G_STRUCT_OFFSET (glRotateLabelButtonClass, changed),
 100                           NULL, NULL,
 101                           gl_marshal_VOID__VOID,
 102                           G_TYPE_NONE, 0);
 103
 104 }
 105
 106
 107 static void
 108 gl_rotate_label_button_init (glRotateLabelButton *this)
 109 {
 110         GtkWidget *vbox;
 111         GtkWidget *label;
 112
 113         this->priv = g_new0 (glRotateLabelButtonPrivate, 1);
 114
 115         gtk_container_set_border_width (GTK_CONTAINER (this), GL_HIG_PAD2);
 116
 117         this->priv->no_rotate_radio = gtk_radio_button_new (NULL);
 118         gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (this->priv->no_rotate_radio),
 119                                     FALSE);
 120         vbox = gtk_vbox_new (FALSE, 1);
 121         this->priv->no_rotate_preview = gl_mini_label_preview_new (SIZE, SIZE);
 122         gtk_box_pack_start (GTK_BOX (vbox), this->priv->no_rotate_preview, FALSE, FALSE, 0);
 123         label = gtk_label_new (_("Normal"));
 124         gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
 125         gtk_container_add (GTK_CONTAINER (this->priv->no_rotate_radio), vbox);
 126
 127
 128         this->priv->rotate_radio    = gtk_radio_button_new_from_widget (GTK_RADIO_BUTTON (this->priv->no_rotate_radio));
 129         gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (this->priv->rotate_radio),
 130                                     FALSE);
 131         vbox = gtk_vbox_new (FALSE, 1);
 132         this->priv->rotate_preview    = gl_mini_label_preview_new (SIZE, SIZE);
 133         gtk_box_pack_start (GTK_BOX (vbox), this->priv->rotate_preview, FALSE, FALSE, 0);
 134         label = gtk_label_new (_("Rotated"));
 135         gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
 136         gtk_container_add (GTK_CONTAINER (this->priv->rotate_radio), vbox);
 137
 138         gtk_box_pack_start (GTK_BOX (this),
 139                             this->priv->no_rotate_radio,
 140                             FALSE, FALSE, GL_HIG_PAD1);
 141         gtk_box_pack_start (GTK_BOX (this),
 142                             this->priv->rotate_radio,
 143                             FALSE, FALSE, GL_HIG_PAD1);
 144
 145         /* Connect signals to controls */
 146         g_signal_connect (G_OBJECT (this->priv->no_rotate_radio),
 147                           "toggled",
 148                           G_CALLBACK (toggled_cb), this);
 149         g_signal_connect (G_OBJECT (this->priv->rotate_radio),
 150                           "toggled",
 151                           G_CALLBACK (toggled_cb), this);
 152 }
 153
 154
 155 static void
 156 gl_rotate_label_button_finalize (GObject *object)
 157 {
 158         glRotateLabelButton      *this = GL_ROTATE_LABEL_BUTTON (object);
 159
 160         g_return_if_fail (object != NULL);
 161         g_return_if_fail (GL_IS_ROTATE_LABEL_BUTTON (object));
 162
 163         g_free (this->priv);
 164
 165         G_OBJECT_CLASS (gl_rotate_label_button_parent_class)->finalize (object);
 166 }
 167
 168
 169 GtkWidget *
 170 gl_rotate_label_button_new (void)
 171 {
 172         glRotateLabelButton *this;
 173
 174         this = g_object_new (gl_rotate_label_button_get_type (), NULL);
 175
 176         return GTK_WIDGET (this);
 177 }
 178
 179
 180 /*--------------------------------------------------------------------------*/
 181 /* PRIVATE.  modify widget due to change of check button                    */
 182 /*--------------------------------------------------------------------------*/
 183 static void
 184 toggled_cb (GtkToggleButton *toggle,
 185             gpointer         user_data)
 186 {
 187
 188         /* Emit our "changed" signal */
 189         g_signal_emit (G_OBJECT (user_data),
 190                        rotate_label_button_signals[CHANGED], 0);
 191
 192 }
 193
 194
 195 /****************************************************************************/
 196 /* query state of widget.                                                   */
 197 /****************************************************************************/
 198 gboolean
 199 gl_rotate_label_button_get_state (glRotateLabelButton *this)
 200 {
 201         return
 202             gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON
 203                                           (this->priv->rotate_radio));
 204 }
 205
 206 /****************************************************************************/
 207 /* set state of widget.                                                     */
 208 /****************************************************************************/
 209 void
 210 gl_rotate_label_button_set_state (glRotateLabelButton *this,
 211                                   gboolean             state)
 212 {
 213         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
 214                                       (this->priv->rotate_radio), state);
 215 }
 216
 217 /****************************************************************************/
 218 /* set template for widget.                                                 */
 219 /****************************************************************************/
 220 void
 221 gl_rotate_label_button_set_template_name (glRotateLabelButton *this,
 222                                           gchar               *name)
 223 {
 224         lglTemplate               *template;
 225         const lglTemplateFrame    *frame;
 226         gdouble                    raw_w, raw_h;
 227
 228         if (name == NULL)
 229         {
 230                 gtk_widget_set_sensitive (this->priv->no_rotate_radio, FALSE);
 231                 gtk_widget_set_sensitive (this->priv->rotate_radio, FALSE);
 232         }
 233         else
 234         {
 235                 template = lgl_db_lookup_template_from_name (name);
 236                 frame = (lglTemplateFrame *)template->frames->data;
 237
 238                 gl_mini_label_preview_set_by_name (GL_MINI_LABEL_PREVIEW (this->priv->no_rotate_preview),
 239                                                    name, FALSE);
 240                 gl_mini_label_preview_set_by_name (GL_MINI_LABEL_PREVIEW (this->priv->rotate_preview),
 241                                                    name, TRUE);
 242
 243                 lgl_template_frame_get_size (frame, &raw_w, &raw_h);
 244                 gtk_widget_set_sensitive (this->priv->no_rotate_radio,
 245                                           (raw_w != raw_h));
 246                 gtk_widget_set_sensitive (this->priv->rotate_radio,
 247                                           (raw_w != raw_h));
 248
 249                 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
 250                                               (this->priv->no_rotate_radio), TRUE);
 251                 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
 252                                               (this->priv->rotate_radio), FALSE);
 253         }
 254
 255 }
 256
 257
 258
 259 /*
 260  * Local Variables:       -- emacs
 261  * mode: C                -- emacs
 262  * c-basic-offset: 8      -- emacs
 263  * tab-width: 8           -- emacs
 264  * indent-tabs-mode: nil  -- emacs
 265  * End:                   -- emacs
 266  */