git.sur5r.net Git - glabels/blob - glabels2/src/view.h

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- */
   2
   3 /*
   4  *  (GLABELS) Label and Business Card Creation program for GNOME
   5  *
   6  *  view.h:  GLabels View module header file
   7  *
   8  *  Copyright (C) 2001-2005  Jim Evins <evins@snaught.com>.
   9  *
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 2 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with this program; if not, write to the Free Software
  22  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  23  */
  24
  25 #ifndef __VIEW_H__
  26 #define __VIEW_H__
  27
  28 #include <gtk/gtkvbox.h>
  29 #include <libgnomecanvas/libgnomecanvas.h>
  30 #include <libgnomeprint/gnome-font.h>
  31
  32 #include "label-object.h"
  33
  34 typedef enum {
  35         GL_VIEW_STATE_ARROW,
  36         GL_VIEW_STATE_OBJECT_CREATE
  37 } glViewState;
  38
  39 #define GL_TYPE_VIEW            (gl_view_get_type ())
  40 #define GL_VIEW(obj)            (GTK_CHECK_CAST((obj), GL_TYPE_VIEW, glView ))
  41 #define GL_VIEW_CLASS(klass)    (GTK_CHECK_CLASS_CAST ((klass), GL_TYPE_VIEW, glViewClass))
  42 #define GL_IS_VIEW(obj)         (GTK_CHECK_TYPE ((obj), GL_TYPE_VIEW))
  43 #define GL_IS_VIEW_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GL_TYPE_VIEW))
  44
  45 typedef struct _glView      glView;
  46 typedef struct _glViewClass glViewClass;
  47
  48 #include "view-object.h"
  49 #include "color.h"
  50
  51 struct _glView {
  52         GtkVBox           parent_widget;
  53
  54         glLabel          *label;
  55
  56         GtkWidget        *canvas;
  57         gdouble           zoom;
  58         gboolean          zoom_to_fit_flag;
  59         gdouble           home_scale;
  60
  61         GnomeCanvasGroup *bg_group;              /* Background layer */
  62         GnomeCanvasGroup *grid_group;            /* Grid layer */
  63         GnomeCanvasGroup *markup_group;          /* Markup layer */
  64         GnomeCanvasGroup *label_group;           /* Label layer (user objects) */
  65         GnomeCanvasGroup *fg_group;              /* Foreground layer */
  66         GnomeCanvasGroup *highlight_group;       /* Highlight layer */
  67
  68         gdouble           grid_spacing;
  69
  70         glViewState       state;
  71         glLabelObjectType create_type;
  72
  73         GList             *object_list;           /* glViewObjects */
  74         GList             *selected_object_list;  /* glViewObjects */
  75
  76         /* Clipboard selection stuff */
  77         gint              have_selection;
  78         glLabel           *selection_data;
  79         GtkWidget         *invisible;
  80
  81         /* Default object text properties */
  82         gchar             *default_font_family;
  83         gdouble            default_font_size;
  84         GnomeFontWeight    default_font_weight;
  85         gboolean           default_font_italic_flag;
  86         guint              default_text_color;
  87         PangoAlignment     default_text_alignment;
  88         gdouble            default_text_line_spacing;
  89
  90         /* Default object line properties */
  91         gdouble            default_line_width;
  92         guint              default_line_color;
  93
  94         /* Default object fill properties */
  95         guint             default_fill_color;
  96 };
  97
  98 struct _glViewClass {
  99         GtkVBoxClass      parent_class;
 100
 101         /* Selection changed signal */
 102         void (*selection_changed) (glView   *view,
 103                                    gpointer  user_data);
 104
 105         /* Signal to launch a context menu */
 106         void (*context_menu_activate) (glView   *view,
 107                                        gint      button,
 108                                        guint32   activate_time,
 109                                        gpointer  user_data);
 110
 111         /* Signals to support a status bar */
 112         void (*zoom_changed)      (glView   *view,
 113                                    gdouble   zoom,
 114                                    gpointer  user_data);
 115         void (*pointer_moved)     (glView   *view,
 116                                    gdouble   x,
 117                                    gdouble   y,
 118                                    gpointer  user_data);
 119         void (*pointer_exit)      (glView   *view,
 120                                    gpointer  user_data);
 121         void (*mode_changed)      (glView   *view,
 122                                    gpointer  user_data);
 123 };
 124
 125 G_BEGIN_DECLS
 126
 127 GType      gl_view_get_type                (void) G_GNUC_CONST;
 128
 129 GtkWidget *gl_view_new                     (glLabel           *label);
 130
 131
 132 void       gl_view_show_grid               (glView            *view);
 133
 134 void       gl_view_hide_grid               (glView            *view);
 135
 136 void       gl_view_set_grid_spacing        (glView            *view,
 137                                             gdouble            spacing);
 138
 139 void       gl_view_show_markup             (glView            *view);
 140
 141 void       gl_view_hide_markup             (glView            *view);
 142
 143 void       gl_view_arrow_mode              (glView            *view);
 144
 145 void       gl_view_object_create_mode      (glView            *view,
 146                                             glLabelObjectType  type);
 147
 148
 149 void       gl_view_select_object           (glView            *view,
 150                                             glViewObject      *view_object);
 151
 152 void       gl_view_unselect_object         (glView            *view,
 153                                             glViewObject      *view_object);
 154
 155 void       gl_view_select_all              (glView            *view);
 156
 157 void       gl_view_unselect_all            (glView            *view);
 158
 159 void       gl_view_select_region           (glView            *view,
 160                                             gdouble            x1,
 161                                             gdouble            y1,
 162                                             gdouble            x2,
 163                                             gdouble            y2);
 164
 165 gboolean   gl_view_is_object_selected      (glView            *view,
 166                                             glViewObject      *view_object);
 167
 168 gboolean   gl_view_is_selection_empty      (glView            *view);
 169
 170 gboolean   gl_view_is_selection_atomic     (glView            *view);
 171
 172 void       gl_view_delete_selection        (glView            *view);
 173
 174 GtkWidget *gl_view_get_editor              (glView            *view);
 175
 176 void       gl_view_raise_selection         (glView            *view);
 177
 178 void       gl_view_lower_selection         (glView            *view);
 179
 180 void       gl_view_rotate_selection        (glView            *view,
 181                                             gdouble            theta_degs);
 182
 183 void       gl_view_rotate_selection_left   (glView            *view);
 184
 185 void       gl_view_rotate_selection_right  (glView            *view);
 186
 187 void       gl_view_flip_selection_horiz    (glView            *view);
 188
 189 void       gl_view_flip_selection_vert     (glView            *view);
 190
 191 void       gl_view_align_selection_left    (glView            *view);
 192
 193 void       gl_view_align_selection_right   (glView            *view);
 194
 195 void       gl_view_align_selection_hcenter (glView            *view);
 196
 197 void       gl_view_align_selection_top     (glView            *view);
 198
 199 void       gl_view_align_selection_bottom  (glView            *view);
 200
 201 void       gl_view_align_selection_vcenter (glView            *view);
 202
 203 void       gl_view_center_selection_horiz  (glView            *view);
 204
 205 void       gl_view_center_selection_vert   (glView            *view);
 206
 207 void       gl_view_move_selection          (glView            *view,
 208                                             gdouble            dx,
 209                                             gdouble            dy);
 210
 211 gboolean   gl_view_can_selection_text             (glView           *view);
 212
 213 void       gl_view_set_selection_font_family      (glView           *view,
 214                                                    const gchar      *font_family);
 215
 216 void       gl_view_set_selection_font_size        (glView           *view,
 217                                                    gdouble           font_size);
 218
 219 void       gl_view_set_selection_font_weight      (glView           *view,
 220                                                    GnomeFontWeight   font_weight);
 221
 222 void       gl_view_set_selection_text_line_spacing (glView           *view,
 223                                                    gdouble           text_line_spacing);
 224
 225 void       gl_view_set_selection_font_italic_flag (glView           *view,
 226                                                    gboolean          font_italic_flag);
 227
 228 void       gl_view_set_selection_text_alignment   (glView           *view,
 229                                                    PangoAlignment    text_alignment);
 230
 231 void       gl_view_set_selection_text_color       (glView           *view,
 232                                                    glColorNode      *text_color_node);
 233
 234 gboolean   gl_view_can_selection_fill             (glView           *view);
 235
 236 void       gl_view_set_selection_fill_color       (glView           *view,
 237                                                    glColorNode      *fill_color);
 238
 239 gboolean   gl_view_can_selection_line_color       (glView           *view);
 240
 241 void       gl_view_set_selection_line_color       (glView           *view,
 242                                                    glColorNode      *line_color_node);
 243
 244 gboolean   gl_view_can_selection_line_width       (glView           *view);
 245
 246 void       gl_view_set_selection_line_width       (glView           *view,
 247                                                    gdouble           line_width);
 248
 249
 250 void       gl_view_cut                     (glView            *view);
 251
 252 void       gl_view_copy                    (glView            *view);
 253
 254 void       gl_view_paste                   (glView            *view);
 255
 256
 257 void       gl_view_zoom_in                 (glView            *view);
 258
 259 void       gl_view_zoom_out                (glView            *view);
 260
 261 void       gl_view_zoom_to_fit             (glView            *view);
 262
 263 void       gl_view_set_zoom                (glView            *view,
 264                                             gdouble            zoom);
 265
 266 gdouble    gl_view_get_zoom                (glView            *view);
 267
 268 gboolean   gl_view_is_zoom_max             (glView            *view);
 269
 270 gboolean   gl_view_is_zoom_min             (glView            *view);
 271
 272
 273 void       gl_view_set_default_font_family      (glView            *view,
 274                                                  const gchar       *font_family);
 275
 276 void       gl_view_set_default_font_size        (glView            *view,
 277                                                  gdouble            font_size);
 278
 279 void       gl_view_set_default_font_weight      (glView            *view,
 280                                                  GnomeFontWeight    font_weight);
 281
 282 void       gl_view_set_default_font_italic_flag (glView            *view,
 283                                                  gboolean           font_italic_flag);
 284
 285 void       gl_view_set_default_text_color       (glView            *view,
 286                                                  guint              text_color);
 287
 288 void       gl_view_set_default_text_alignment   (glView            *view,
 289                                                  PangoAlignment     text_alignment);
 290
 291 void       gl_view_set_default_line_width       (glView            *view,
 292                                                  gdouble            line_width);
 293
 294 void       gl_view_set_default_line_color       (glView            *view,
 295                                                  guint              line_color);
 296
 297 void       gl_view_set_default_fill_color       (glView            *view,
 298                                                  guint              fill_color);
 299 void       gl_view_set_default_text_line_spacing (glView            *view,
 300                                                  gdouble            text_line_spacing);
 301
 302
 303
 304 gchar           *gl_view_get_default_font_family      (glView            *view);
 305
 306 gdouble          gl_view_get_default_font_size        (glView            *view);
 307
 308 GnomeFontWeight  gl_view_get_default_font_weight      (glView            *view);
 309
 310 gboolean         gl_view_get_default_font_italic_flag (glView            *view);
 311
 312 guint            gl_view_get_default_text_color       (glView            *view);
 313
 314 PangoAlignment   gl_view_get_default_text_alignment   (glView            *view);
 315
 316 gdouble          gl_view_get_default_text_line_spacing (glView            *view);
 317
 318 gdouble          gl_view_get_default_line_width       (glView            *view);
 319
 320 guint            gl_view_get_default_line_color       (glView            *view);
 321
 322 guint            gl_view_get_default_fill_color       (glView            *view);
 323
 324
 325
 326 G_END_DECLS
 327
 328 #endif