Pileus Git - ~andy/gtk/blob - modules/engines/pixbuf/pixbuf.h

   1 /* GTK+ Pixbuf Engine
   2  * Copyright (C) 1998-2000 Red Hat, Inc.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Library General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  *
  19  * Written by Owen Taylor <otaylor@redhat.com>, based on code by
  20  * Carsten Haitzler <raster@rasterman.com>
  21  */
  22
  23 #include <gtk/gtk.h>
  24 #include <gdk-pixbuf/gdk-pixbuf.h>
  25
  26 /* internals */
  27
  28 typedef struct _ThemeData ThemeData;
  29 typedef struct _ThemeImage ThemeImage;
  30 typedef struct _ThemeMatchData ThemeMatchData;
  31 typedef struct _ThemePixbuf ThemePixbuf;
  32
  33 enum
  34 {
  35   TOKEN_IMAGE = G_TOKEN_LAST + 1,
  36   TOKEN_FUNCTION,
  37   TOKEN_FILE,
  38   TOKEN_STRETCH,
  39   TOKEN_RECOLORABLE,
  40   TOKEN_BORDER,
  41   TOKEN_DETAIL,
  42   TOKEN_STATE,
  43   TOKEN_SHADOW,
  44   TOKEN_GAP_SIDE,
  45   TOKEN_GAP_FILE,
  46   TOKEN_GAP_BORDER,
  47   TOKEN_GAP_START_FILE,
  48   TOKEN_GAP_START_BORDER,
  49   TOKEN_GAP_END_FILE,
  50   TOKEN_GAP_END_BORDER,
  51   TOKEN_OVERLAY_FILE,
  52   TOKEN_OVERLAY_BORDER,
  53   TOKEN_OVERLAY_STRETCH,
  54   TOKEN_ARROW_DIRECTION,
  55   TOKEN_EXPANDER_STYLE,
  56   TOKEN_WINDOW_EDGE,
  57   TOKEN_D_HLINE,
  58   TOKEN_D_VLINE,
  59   TOKEN_D_SHADOW,
  60   TOKEN_D_POLYGON,
  61   TOKEN_D_ARROW,
  62   TOKEN_D_DIAMOND,
  63   TOKEN_D_OVAL,
  64   TOKEN_D_STRING,
  65   TOKEN_D_BOX,
  66   TOKEN_D_FLAT_BOX,
  67   TOKEN_D_CHECK,
  68   TOKEN_D_OPTION,
  69   TOKEN_D_CROSS,
  70   TOKEN_D_RAMP,
  71   TOKEN_D_TAB,
  72   TOKEN_D_SHADOW_GAP,
  73   TOKEN_D_BOX_GAP,
  74   TOKEN_D_EXTENSION,
  75   TOKEN_D_FOCUS,
  76   TOKEN_D_SLIDER,
  77   TOKEN_D_ENTRY,
  78   TOKEN_D_HANDLE,
  79   TOKEN_D_STEPPER,
  80   TOKEN_D_EXPANDER,
  81   TOKEN_D_RESIZE_GRIP,
  82   TOKEN_TRUE,
  83   TOKEN_FALSE,
  84   TOKEN_TOP,
  85   TOKEN_UP,
  86   TOKEN_BOTTOM,
  87   TOKEN_DOWN,
  88   TOKEN_LEFT,
  89   TOKEN_RIGHT,
  90   TOKEN_NORMAL,
  91   TOKEN_ACTIVE,
  92   TOKEN_PRELIGHT,
  93   TOKEN_SELECTED,
  94   TOKEN_INSENSITIVE,
  95   TOKEN_NONE,
  96   TOKEN_IN,
  97   TOKEN_OUT,
  98   TOKEN_ETCHED_IN,
  99   TOKEN_ETCHED_OUT,
 100   TOKEN_ORIENTATION,
 101   TOKEN_HORIZONTAL,
 102   TOKEN_VERTICAL,
 103   TOKEN_COLLAPSED,
 104   TOKEN_SEMI_COLLAPSED,
 105   TOKEN_SEMI_EXPANDED,
 106   TOKEN_EXPANDED,
 107   TOKEN_NORTH_WEST,
 108   TOKEN_NORTH,
 109   TOKEN_NORTH_EAST,
 110   TOKEN_WEST,
 111   TOKEN_EAST,
 112   TOKEN_SOUTH_WEST,
 113   TOKEN_SOUTH,
 114   TOKEN_SOUTH_EAST
 115 };
 116
 117 typedef enum
 118 {
 119   COMPONENT_NORTH_WEST = 1 << 0,
 120   COMPONENT_NORTH      = 1 << 1,
 121   COMPONENT_NORTH_EAST = 1 << 2,
 122   COMPONENT_WEST       = 1 << 3,
 123   COMPONENT_CENTER     = 1 << 4,
 124   COMPONENT_EAST       = 1 << 5,
 125   COMPONENT_SOUTH_EAST = 1 << 6,
 126   COMPONENT_SOUTH      = 1 << 7,
 127   COMPONENT_SOUTH_WEST = 1 << 8,
 128   COMPONENT_ALL           = 1 << 9
 129 } ThemePixbufComponent;
 130
 131 typedef enum {
 132   THEME_MATCH_GAP_SIDE        = 1 << 0,
 133   THEME_MATCH_ORIENTATION     = 1 << 1,
 134   THEME_MATCH_STATE           = 1 << 2,
 135   THEME_MATCH_SHADOW          = 1 << 3,
 136   THEME_MATCH_ARROW_DIRECTION = 1 << 4,
 137   THEME_MATCH_EXPANDER_STYLE  = 1 << 5,
 138   THEME_MATCH_WINDOW_EDGE     = 1 << 6
 139 } ThemeMatchFlags;
 140
 141 typedef enum {
 142   THEME_CONSTANT_ROWS = 1 << 0,
 143   THEME_CONSTANT_COLS = 1 << 1,
 144   THEME_MISSING = 1 << 2
 145 } ThemeRenderHints;
 146
 147 struct _ThemePixbuf
 148 {
 149   gchar     *filename;
 150   GdkPixbuf *pixbuf;
 151   gboolean   stretch;
 152   gint       border_left;
 153   gint       border_right;
 154   gint       border_bottom;
 155   gint       border_top;
 156   guint      hints[3][3];
 157 };
 158
 159 struct _ThemeMatchData
 160 {
 161   guint            function;    /* Mandatory */
 162   gchar           *detail;
 163
 164   ThemeMatchFlags  flags;
 165
 166   GtkPositionType  gap_side;
 167   GtkOrientation   orientation;
 168   GtkStateType     state;
 169   GtkShadowType    shadow;
 170   GtkArrowType     arrow_direction;
 171   GtkExpanderStyle expander_style;
 172   GdkWindowEdge    window_edge;
 173 };
 174
 175 struct _ThemeImage
 176 {
 177   guint           refcount;
 178
 179   ThemePixbuf    *background;
 180   ThemePixbuf    *overlay;
 181   ThemePixbuf    *gap_start;
 182   ThemePixbuf    *gap;
 183   ThemePixbuf    *gap_end;
 184
 185   gchar           recolorable;
 186
 187   ThemeMatchData  match_data;
 188 };
 189
 190
 191 G_GNUC_INTERNAL ThemePixbuf *theme_pixbuf_new          (void);
 192 G_GNUC_INTERNAL void         theme_pixbuf_destroy      (ThemePixbuf  *theme_pb);
 193 G_GNUC_INTERNAL void         theme_pixbuf_set_filename (ThemePixbuf  *theme_pb,
 194                                         const char   *filename);
 195 G_GNUC_INTERNAL GdkPixbuf *  theme_pixbuf_get_pixbuf   (ThemePixbuf  *theme_pb);
 196 G_GNUC_INTERNAL void         theme_pixbuf_set_border   (ThemePixbuf  *theme_pb,
 197                                         gint          left,
 198                                         gint          right,
 199                                         gint          top,
 200                                         gint          bottom);
 201 G_GNUC_INTERNAL void         theme_pixbuf_set_stretch  (ThemePixbuf  *theme_pb,
 202                                         gboolean      stretch);
 203 G_GNUC_INTERNAL void         theme_pixbuf_render       (ThemePixbuf  *theme_pb,
 204                                         cairo_t      *cr,
 205                                         guint         component_mask,
 206                                         gboolean      center,
 207                                         gint          dest_x,
 208                                         gint          dest_y,
 209                                         gint          dest_width,
 210                                         gint          dest_height);
 211
 212
 213
 214 extern GtkStyleClass pixmap_default_class;