lib/diagtkfontsel.h

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * GtkFontSelection widget for Gtk+, by Damon Chaplin, May 1998.
   5  * Based on the GnomeFontSelector widget, by Elliot Lee, but major changes.
   6  * The GnomeFontSelector was derived from app/text_tool.c in the GIMP.
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the
  20  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  21  * Boston, MA 02111-1307, USA.
  22  */
  23
  24 /*
  25  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
  26  * file for a list of people on the GTK+ Team.  See the ChangeLog
  27  * files for a list of changes.  These files are distributed with
  28  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
  29  */
  30
  31 #ifndef __DIA_GTK_FONTSEL_H__
  32 #define __DIA_GTK_FONTSEL_H__
  33
  34
  35 #include <gdk/gdk.h>
  36 #include <gtk/gtkdialog.h>
  37 #include <gtk/gtkvbox.h>
  38
  39 #ifdef __cplusplus
  40 extern "C" {
  41 #endif /* __cplusplus */
  42
  43 #define DIA_GTK_TYPE_FONT_SELECTION              (dia_gtk_font_selection_get_type ())
  44 #define DIA_GTK_FONT_SELECTION(obj)              (GTK_CHECK_CAST ((obj), DIA_GTK_TYPE_FONT_SELECTION, DiaGtkFontSelection))
  45 #define DIA_GTK_FONT_SELECTION_CLASS(klass)      (GTK_CHECK_CLASS_CAST ((klass), DIA_GTK_TYPE_FONT_SELECTION, DiaGtkFontSelectionClass))
  46 #define DIA_GTK_IS_FONT_SELECTION(obj)           (GTK_CHECK_TYPE ((obj), DIA_GTK_TYPE_FONT_SELECTION))
  47 #define DIA_GTK_IS_FONT_SELECTION_CLASS(klass)   (GTK_CHECK_CLASS_TYPE ((klass), DIA_GTK_TYPE_FONT_SELECTION))
  48 #define DIA_GTK_FONT_SELECTION_GET_CLASS(obj)    (GTK_CHECK_GET_CLASS ((obj), DIA_GTK_TYPE_FONT_SELECTION, DiaGtkFontSelectionClass))
  49
  50
  51 #define DIA_GTK_TYPE_FONT_SELECTION_DIALOG              (dia_gtk_font_selection_dialog_get_type ())
  52 #define DIA_GTK_FONT_SELECTION_DIALOG(obj)              (GTK_CHECK_CAST ((obj), DIA_GTK_TYPE_FONT_SELECTION_DIALOG, DiaGtkFontSelectionDialog))
  53 #define DIA_GTK_FONT_SELECTION_DIALOG_CLASS(klass)      (GTK_CHECK_CLASS_CAST ((klass), DIA_GTK_TYPE_FONT_SELECTION_DIALOG, DiaGtkFontSelectionDialogClass))
  54 #define DIA_GTK_IS_FONT_SELECTION_DIALOG(obj)           (GTK_CHECK_TYPE ((obj), DIA_GTK_TYPE_FONT_SELECTION_DIALOG))
  55 #define DIA_GTK_IS_FONT_SELECTION_DIALOG_CLASS(klass)   (GTK_CHECK_CLASS_TYPE ((klass), DIA_GTK_TYPE_FONT_SELECTION_DIALOG))
  56 #define DIA_GTK_FONT_SELECTION_DIALOG_GET_CLASS(obj)    (GTK_CHECK_GET_CLASS ((obj), DIA_GTK_TYPE_FONT_SELECTION_DIALOG, DiaGtkFontSelectionDialogClass))
  57
  58
  59 typedef struct _DiaGtkFontSelection          DiaGtkFontSelection;
  60 typedef struct _DiaGtkFontSelectionClass             DiaGtkFontSelectionClass;
  61
  62 typedef struct _DiaGtkFontSelectionDialog            DiaGtkFontSelectionDialog;
  63 typedef struct _DiaGtkFontSelectionDialogClass  DiaGtkFontSelectionDialogClass;
  64
  65 struct _DiaGtkFontSelection
  66 {
  67   GtkVBox parent_instance;
  68
  69   GtkWidget *font_entry;
  70   GtkWidget *family_list;
  71   GtkWidget *font_style_entry;
  72   GtkWidget *face_list;
  73   GtkWidget *size_entry;
  74   GtkWidget *size_list;
  75   GtkWidget *pixels_button;
  76   GtkWidget *points_button;
  77   GtkWidget *filter_button;
  78   GtkWidget *preview_entry;
  79
  80   const PangoContext *context;
  81
  82   PangoFontFamily *family;      /* Current family */
  83   PangoFontFace *face;          /* Current face */
  84
  85   gint size;
  86   };
  87
  88 struct _DiaGtkFontSelectionClass
  89 {
  90   GtkVBoxClass parent_class;
  91
  92   /* Padding for future expansion */
  93   void (*_gtk_reserved1) (void);
  94   void (*_gtk_reserved2) (void);
  95   void (*_gtk_reserved3) (void);
  96   void (*_gtk_reserved4) (void);
  97 };
  98
  99
 100 struct _DiaGtkFontSelectionDialog
 101 {
 102   GtkDialog parent_instance;
 103
 104   GtkWidget *fontsel;
 105
 106   GtkWidget *main_vbox;
 107   GtkWidget *action_area;
 108   GtkWidget *ok_button;
 109   /* The 'Apply' button is not shown by default but you can show/hide it. */
 110   GtkWidget *apply_button;
 111   GtkWidget *cancel_button;
 112
 113   /* If the user changes the width of the dialog, we turn auto-shrink off. */
 114   gint dialog_width;
 115   gboolean auto_resize;
 116 };
 117
 118 struct _DiaGtkFontSelectionDialogClass
 119 {
 120   GtkDialogClass parent_class;
 121
 122   /* Padding for future expansion */
 123   void (*_gtk_reserved1) (void);
 124   void (*_gtk_reserved2) (void);
 125   void (*_gtk_reserved3) (void);
 126   void (*_gtk_reserved4) (void);
 127 };
 128
 129
 130
 131 /*****************************************************************************
 132  * DiaGtkFontSelection functions.
 133  *   see the comments in the DiaGtkFontSelectionDialog functions.
 134  *****************************************************************************/
 135
 136 GtkType    dia_gtk_font_selection_get_type              (void) G_GNUC_CONST;
 137 GtkWidget* dia_gtk_font_selection_new           (void);
 138 gchar*     dia_gtk_font_selection_get_font_name (DiaGtkFontSelection *fontsel);
 139
 140
 141 gboolean              dia_gtk_font_selection_set_font_name    (DiaGtkFontSelection *fontsel,
 142                                                            const gchar      *fontname);
 143 G_CONST_RETURN gchar* dia_gtk_font_selection_get_preview_text (DiaGtkFontSelection *fontsel);
 144 void                  dia_gtk_font_selection_set_preview_text (DiaGtkFontSelection *fontsel,
 145                                                            const gchar      *text);
 146 /* This sets the Pango context used for listing fonts */
 147 void     dia_gtk_font_selection_set_context (DiaGtkFontSelection *fs,
 148                                              const PangoContext    *context);
 149
 150 /*****************************************************************************
 151  * DiaGtkFontSelectionDialog functions.
 152  *   most of these functions simply call the corresponding function in the
 153  *   DiaGtkFontSelection.
 154  *****************************************************************************/
 155
 156 GtkType    dia_gtk_font_selection_dialog_get_type       (void) G_GNUC_CONST;
 157 GtkWidget* dia_gtk_font_selection_dialog_new    (const gchar      *title);
 158
 159 /* This returns the X Logical Font Description fontname, or NULL if no font
 160    is selected. Note that there is a slight possibility that the font might not
 161    have been loaded OK. You should call dia_gtk_font_selection_dialog_get_font()
 162    to see if it has been loaded OK.
 163    You should g_free() the returned font name after you're done with it. */
 164 gchar*   dia_gtk_font_selection_dialog_get_font_name    (DiaGtkFontSelectionDialog *fsd);
 165
 166 /* This sets the currently displayed font. It should be a valid X Logical
 167    Font Description font name (anything else will be ignored), e.g.
 168    "-adobe-courier-bold-o-normal--25-*-*-*-*-*-*-*"
 169    It returns TRUE on success. */
 170 gboolean dia_gtk_font_selection_dialog_set_font_name    (DiaGtkFontSelectionDialog *fsd,
 171                                                      const gchar        *fontname);
 172
 173 /* This returns the text in the preview entry. You should copy the returned
 174    text if you need it. */
 175 G_CONST_RETURN gchar* dia_gtk_font_selection_dialog_get_preview_text (DiaGtkFontSelectionDialog *fsd);
 176
 177 /* This sets the text in the preview entry. It will be copied by the entry,
 178    so there's no need to g_strdup() it first. */
 179 void     dia_gtk_font_selection_dialog_set_preview_text (DiaGtkFontSelectionDialog *fsd,
 180                                                      const gchar            *text);
 181
 182 /* This sets the Pango context used for listing fonts */
 183 void     dia_gtk_font_selection_dialog_set_context (DiaGtkFontSelectionDialog *fsd,
 184                                                     const PangoContext    *context);
 185
 186
 187 #ifdef __cplusplus
 188 }
 189 #endif /* __cplusplus */
 190
 191
 192 #endif /* __DIA_GTK_FONTSEL_H__ */