app/diapagelayout.h

   1 /* Dia -- an diagram creation/manipulation program
   2  * Copyright (C) 1998, 1999 Alexander Larsson
   3  *
   4  * diapagelayout.[ch] -- a page settings widget for dia.
   5  * Copyright (C) 1999 James Henstridge
   6  *
   7  * This program 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 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program 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 this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  20  */
  21
  22 #ifndef DIAPAGELAYOUT_H
  23 #define DIAPAGELAYOUT_H
  24
  25 #include <gtk/gtk.h>
  26
  27 #define DIA_PAGE_LAYOUT(obj) GTK_CHECK_CAST(obj, dia_page_layout_get_type(), DiaPageLayout)
  28 #define DIA_PAGE_LAYOUT_CLASS(klass) GTK_CHECK_CLASS_CAST(klass, dia_page_layout_get_type(), DiaPageLayoutClass)
  29 #define DIA_IS_PAGE_LAYOUT(obj) GTK_CHECK_TYPE(obj, dia_page_layout_get_type())
  30
  31 typedef struct _DiaPageLayout DiaPageLayout;
  32 typedef struct _DiaPageLayoutClass DiaPageLayoutClass;
  33
  34 typedef enum {
  35   DIA_PAGE_ORIENT_PORTRAIT,
  36   DIA_PAGE_ORIENT_LANDSCAPE
  37 } DiaPageOrientation;
  38
  39 struct _DiaPageLayout {
  40   GtkTable parent;
  41
  42   /*<private>*/
  43   GtkWidget *paper_size, *paper_label;
  44   GtkWidget *orient_portrait, *orient_landscape;
  45   GtkWidget *tmargin, *bmargin, *lmargin, *rmargin;
  46   GtkWidget *scale, *fitto;
  47   GtkWidget *scaling, *fitw, *fith;
  48
  49   GtkWidget *darea;
  50
  51   GdkGC *gc;
  52   GdkColor white, black, blue;
  53   gint papernum; /* index into page_metrics array */
  54
  55   /* position of paper preview */
  56   gint x, y, width, height;
  57
  58   gboolean block_changed;
  59 };
  60
  61 struct _DiaPageLayoutClass {
  62   GtkTableClass parent_class;
  63
  64   void (*changed)(DiaPageLayout *pl);
  65 };
  66
  67 GtkType      dia_page_layout_get_type    (void);
  68 GtkWidget   *dia_page_layout_new         (void);
  69
  70 const gchar *dia_page_layout_get_paper   (DiaPageLayout *pl);
  71 void         dia_page_layout_set_paper   (DiaPageLayout *pl,
  72                                           const gchar *paper);
  73 void         dia_page_layout_get_margins (DiaPageLayout *pl,
  74                                           gfloat *tmargin, gfloat *bmargin,
  75                                           gfloat *lmargin, gfloat *rmargin);
  76 void         dia_page_layout_set_margins (DiaPageLayout *pl,
  77                                           gfloat tmargin, gfloat bmargin,
  78                                           gfloat lmargin, gfloat rmargin);
  79 DiaPageOrientation dia_page_layout_get_orientation (DiaPageLayout *pl);
  80 void         dia_page_layout_set_orientation (DiaPageLayout *pl,
  81                                               DiaPageOrientation orient);
  82 gboolean     dia_page_layout_get_fitto   (DiaPageLayout *self);
  83 void         dia_page_layout_set_fitto   (DiaPageLayout *self,
  84                                           gboolean fitto);
  85 gfloat       dia_page_layout_get_scaling (DiaPageLayout *self);
  86 void         dia_page_layout_set_scaling (DiaPageLayout *self,
  87                                           gfloat scaling);
  88 void         dia_page_layout_get_fit_dims(DiaPageLayout *self,
  89                                           gint *w, gint *h);
  90 void         dia_page_layout_set_fit_dims(DiaPageLayout *self,
  91                                           gint w, gint h);
  92
  93
  94 void         dia_page_layout_get_effective_area (DiaPageLayout *self,
  95                                                  gfloat *width,
  96                                                  gfloat *height);
  97
  98 /* get paper sizes and default margins ... */
  99 void dia_page_layout_get_paper_size      (const gchar *paper,
 100                                           gfloat *width, gfloat *height);
 101 void dia_page_layout_get_default_margins (const gchar *paper,
 102                                           gfloat *tmargin, gfloat *bmargin,
 103                                           gfloat *lmargin, gfloat *rmargin);
 104
 105 #endif