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

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